diff --git a/crmd/callbacks.c b/crmd/callbacks.c
index 4c2b3a4912..24fccba788 100644
--- a/crmd/callbacks.c
+++ b/crmd/callbacks.c
@@ -1,309 +1,316 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <string.h>
#include <crmd_fsa.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/cluster.h>
#include <crm/cib.h>
#include <crmd.h>
#include <crmd_messages.h>
#include <crmd_callbacks.h>
#include <crmd_lrm.h>
#include <tengine.h>
#include <membership.h>
void crmd_ha_connection_destroy(gpointer user_data);
/* From join_dc... */
extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source);
void
crmd_ha_connection_destroy(gpointer user_data)
{
crm_trace("Invoked");
if (is_set(fsa_input_register, R_HA_DISCONNECTED)) {
/* we signed out, so this is expected */
crm_info("Heartbeat disconnection complete");
return;
}
crm_crit("Lost connection to heartbeat service!");
register_fsa_input(C_HA_DISCONNECT, I_ERROR, NULL);
trigger_fsa(fsa_source);
}
void
crmd_ha_msg_filter(xmlNode * msg)
{
if (AM_I_DC) {
const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM);
if (safe_str_eq(sys_from, CRM_SYSTEM_DC)) {
const char *from = crm_element_value(msg, F_ORIG);
if (safe_str_neq(from, fsa_our_uname)) {
int level = LOG_INFO;
const char *op = crm_element_value(msg, F_CRM_TASK);
/* make sure the election happens NOW */
if (fsa_state != S_ELECTION) {
ha_msg_input_t new_input;
level = LOG_WARNING;
new_input.msg = msg;
register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION, NULL, &new_input,
__FUNCTION__);
}
do_crm_log(level, "Another DC detected: %s (op=%s)", from, op);
goto done;
}
}
} else {
const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO);
if (safe_str_eq(sys_to, CRM_SYSTEM_DC)) {
return;
}
}
/* crm_log_xml_trace("HA[inbound]", msg); */
route_message(C_HA_MESSAGE, msg);
done:
trigger_fsa(fsa_source);
}
#define state_text(state) ((state)? (const char *)(state) : "in unknown state")
void
peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data)
{
uint32_t old = 0;
uint32_t changed = 0;
bool appeared = FALSE;
bool is_remote = is_set(node->flags, crm_remote_node);
const char *status = NULL;
/* Crmd waits to receive some information from the membership layer before
* declaring itself operational. If this is being called for a cluster node,
* indicate that we have it.
*/
if (!is_remote) {
set_bit(fsa_input_register, R_PEER_DATA);
}
if (node->uname == NULL) {
return;
}
switch (type) {
case crm_status_uname:
/* If we've never seen the node, then it also won't be in the status section */
crm_info("%s is now %s", node->uname, state_text(node->state));
return;
case crm_status_rstate:
case crm_status_nstate:
/* This callback should not be called unless the state actually
* changed, but here's a failsafe just in case.
*/
CRM_CHECK(safe_str_neq(data, node->state), return);
crm_info("%s node %s is now %s (was %s)",
(is_remote? "Remote" : "Cluster"),
node->uname, state_text(node->state), state_text(data));
if (safe_str_eq(CRM_NODE_MEMBER, node->state)) {
appeared = TRUE;
if (!is_remote) {
remove_stonith_cleanup(node->uname);
}
}
crmd_notify_node_event(node);
break;
case crm_status_processes:
if (data) {
old = *(const uint32_t *)data;
changed = node->processes ^ old;
}
status = (node->processes & proc_flags) ? ONLINESTATUS : OFFLINESTATUS;
crm_info("Client %s/%s now has status [%s] (DC=%s, changed=%6x)",
node->uname, peer2text(proc_flags), status,
AM_I_DC ? "true" : crm_str(fsa_our_dc), changed);
if ((changed & proc_flags) == 0) {
/* Peer process did not change */
crm_trace("No change %6x %6x %6x", old, node->processes, proc_flags);
return;
} else if (is_not_set(fsa_input_register, R_CIB_CONNECTED)) {
crm_trace("Not connected");
return;
} else if (fsa_state == S_STOPPING) {
crm_trace("Stopping");
return;
}
appeared = (node->processes & proc_flags) != 0;
if (safe_str_eq(node->uname, fsa_our_uname) && (node->processes & proc_flags) == 0) {
/* Did we get evicted? */
crm_notice("Our peer connection failed");
register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ERROR, NULL);
} else if (safe_str_eq(node->uname, fsa_our_dc) && crm_is_peer_active(node) == FALSE) {
/* Did the DC leave us? */
crm_notice("Our peer on the DC (%s) is dead", fsa_our_dc);
register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ELECTION, NULL);
+ /* @COMPAT DC < 1.1.13: If a DC shuts down normally, we don't
+ * want to fence it. Newer DCs will send their shutdown request
+ * to all peers, who will update the DC's expected state to
+ * down, thus avoiding fencing. We can safely erase the DC's
+ * transient attributes when it leaves in that case. However,
+ * the only way to avoid fencing older DCs is to leave the
+ * transient attributes intact until it rejoins.
+ */
if (compare_version(fsa_our_dc_version, "3.0.9") > 0) {
erase_status_tag(node->uname, XML_TAG_TRANSIENT_NODEATTRS, cib_scope_local);
}
} else if(AM_I_DC && appeared == FALSE) {
crm_info("Peer %s left us", node->uname);
erase_status_tag(node->uname, XML_TAG_TRANSIENT_NODEATTRS, cib_scope_local);
- /* crm_update_peer_join(__FUNCTION__, node, crm_join_none); */
}
break;
}
if (AM_I_DC) {
xmlNode *update = NULL;
int flags = node_update_peer;
gboolean alive = is_remote? appeared : crm_is_peer_active(node);
crm_action_t *down = match_down_event(node->uuid, appeared);
crm_trace("Alive=%d, appeared=%d, down=%d",
alive, appeared, (down? down->id : -1));
if (alive && type == crm_status_processes) {
register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL);
}
if (down) {
const char *task = crm_element_value(down->xml, XML_LRM_ATTR_TASK);
if (safe_str_eq(task, CRM_OP_FENCE)) {
/* tengine_stonith_callback() confirms fence actions */
crm_trace("Updating CIB %s stonithd reported fencing of %s complete",
(down->confirmed? "after" : "before"), node->uname);
} else if ((alive == FALSE) && safe_str_eq(task, CRM_OP_SHUTDOWN)) {
crm_notice("%s of peer %s is complete "CRM_XS" op=%d",
task, node->uname, down->id);
/* down->confirmed = TRUE; */
stop_te_timer(down->timer);
if (!is_remote) {
flags |= node_update_join | node_update_expected;
crmd_peer_down(node, FALSE);
check_join_state(fsa_state, __FUNCTION__);
}
update_graph(transition_graph, down);
trigger_graph();
} else {
crm_trace("Node %s is %salive, was expected to %s (op %d)",
node->uname, (alive? "" : "not "), task, down->id);
}
} else if (appeared == FALSE) {
crm_notice("Stonith/shutdown of %s not matched", node->uname);
if (!is_remote) {
crm_update_peer_join(__FUNCTION__, node, crm_join_none);
check_join_state(fsa_state, __FUNCTION__);
}
abort_transition(INFINITY, tg_restart, "Node failure", NULL);
fail_incompletable_actions(transition_graph, node->uuid);
} else {
crm_trace("Node %s came up, was not expected to be down",
node->uname);
}
if (is_remote) {
/* A pacemaker_remote node won't have its cluster status updated
* in the CIB by membership-layer callbacks, so do it here.
*/
flags |= node_update_cluster;
/* Trigger resource placement on newly integrated nodes */
if (appeared) {
abort_transition(INFINITY, tg_restart,
"pacemaker_remote node integrated", NULL);
}
}
/* Update the CIB node state */
update = create_node_state_update(node, flags, NULL, __FUNCTION__);
fsa_cib_anon_update(XML_CIB_TAG_STATUS, update,
cib_scope_local | cib_quorum_override | cib_can_create);
free_xml(update);
}
trigger_fsa(fsa_source);
}
void
crmd_cib_connection_destroy(gpointer user_data)
{
CRM_CHECK(user_data == fsa_cib_conn,;);
crm_trace("Invoked");
trigger_fsa(fsa_source);
fsa_cib_conn->state = cib_disconnected;
if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) {
crm_info("Connection to the CIB terminated...");
return;
}
/* eventually this will trigger a reconnect, not a shutdown */
crm_err("Connection to the CIB terminated...");
register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL);
clear_bit(fsa_input_register, R_CIB_CONNECTED);
return;
}
gboolean
crm_fsa_trigger(gpointer user_data)
{
crm_trace("Invoked (queue len: %d)", g_list_length(fsa_message_queue));
s_crmd_fsa(C_FSA_INTERNAL);
crm_trace("Exited (queue len: %d)", g_list_length(fsa_message_queue));
return TRUE;
}
diff --git a/crmd/control.c b/crmd/control.c
index 5081dbd390..177ff5775e 100644
--- a/crmd/control.c
+++ b/crmd/control.c
@@ -1,1156 +1,1157 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/pengine/rules.h>
#include <crm/cluster/internal.h>
#include <crm/cluster/election.h>
#include <crm/common/ipcs.h>
#include <crmd.h>
#include <crmd_fsa.h>
#include <fsa_proto.h>
#include <crmd_messages.h>
#include <crmd_callbacks.h>
#include <crmd_lrm.h>
#include <tengine.h>
#include <throttle.h>
#include <sys/types.h>
#include <sys/stat.h>
qb_ipcs_service_t *ipcs = NULL;
extern gboolean crm_connect_corosync(crm_cluster_t * cluster);
extern void crmd_ha_connection_destroy(gpointer user_data);
void crm_shutdown(int nsig);
gboolean crm_read_options(gpointer user_data);
gboolean fsa_has_quorum = FALSE;
crm_trigger_t *fsa_source = NULL;
crm_trigger_t *config_read = NULL;
bool no_quorum_suicide_escalation = FALSE;
static gboolean
election_timeout_popped(gpointer data)
{
/* Not everyone voted */
crm_info("Election failed: Declaring ourselves the winner");
register_fsa_input(C_TIMER_POPPED, I_ELECTION_DC, NULL);
return FALSE;
}
/* A_HA_CONNECT */
void
do_ha_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
gboolean registered = FALSE;
static crm_cluster_t *cluster = NULL;
if (cluster == NULL) {
cluster = calloc(1, sizeof(crm_cluster_t));
}
if (action & A_HA_DISCONNECT) {
crm_cluster_disconnect(cluster);
crm_info("Disconnected from the cluster");
set_bit(fsa_input_register, R_HA_DISCONNECTED);
}
if (action & A_HA_CONNECT) {
crm_set_status_callback(&peer_update_callback);
crm_set_autoreap(FALSE);
if (is_openais_cluster()) {
#if SUPPORT_COROSYNC
registered = crm_connect_corosync(cluster);
#endif
} else if (is_heartbeat_cluster()) {
#if SUPPORT_HEARTBEAT
cluster->destroy = crmd_ha_connection_destroy;
cluster->hb_dispatch = crmd_ha_msg_callback;
registered = crm_cluster_connect(cluster);
fsa_cluster_conn = cluster->hb_conn;
crm_trace("Be informed of Node Status changes");
if (registered &&
fsa_cluster_conn->llc_ops->set_nstatus_callback(fsa_cluster_conn,
crmd_ha_status_callback,
fsa_cluster_conn) != HA_OK) {
crm_err("Cannot set nstatus callback: %s",
fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn));
registered = FALSE;
}
crm_trace("Be informed of CRM Client Status changes");
if (registered &&
fsa_cluster_conn->llc_ops->set_cstatus_callback(fsa_cluster_conn,
crmd_client_status_callback,
fsa_cluster_conn) != HA_OK) {
crm_err("Cannot set cstatus callback: %s",
fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn));
registered = FALSE;
}
if (registered) {
crm_trace("Requesting an initial dump of CRMD client_status");
fsa_cluster_conn->llc_ops->client_status(fsa_cluster_conn, NULL, CRM_SYSTEM_CRMD,
-1);
}
#endif
}
fsa_election = election_init(NULL, cluster->uname, 60000/*60s*/, election_timeout_popped);
fsa_our_uname = cluster->uname;
fsa_our_uuid = cluster->uuid;
if(cluster->uuid == NULL) {
crm_err("Could not obtain local uuid");
registered = FALSE;
}
if (registered == FALSE) {
set_bit(fsa_input_register, R_HA_DISCONNECTED);
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
return;
}
populate_cib_nodes(node_update_none, __FUNCTION__);
clear_bit(fsa_input_register, R_HA_DISCONNECTED);
crm_info("Connected to the cluster");
}
if (action & ~(A_HA_CONNECT | A_HA_DISCONNECT)) {
crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__);
}
}
static bool
need_spawn_pengine_from_crmd(void)
{
static int result = -1;
if (result != -1)
return result;
if (!is_heartbeat_cluster()) {
result = 0;
return result;
}
/* NULL, or "strange" value: rather spawn from here. */
result = TRUE;
crm_str_to_boolean(daemon_option("crmd_spawns_pengine"), &result);
return result;
}
/* A_SHUTDOWN */
void
do_shutdown(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
/* just in case */
set_bit(fsa_input_register, R_SHUTDOWN);
if (need_spawn_pengine_from_crmd()) {
if (is_set(fsa_input_register, pe_subsystem->flag_connected)) {
crm_info("Terminating the %s", pe_subsystem->name);
if (stop_subsystem(pe_subsystem, TRUE) == FALSE) {
/* its gone... */
crm_err("Faking %s exit", pe_subsystem->name);
clear_bit(fsa_input_register, pe_subsystem->flag_connected);
} else {
crm_info("Waiting for subsystems to exit");
crmd_fsa_stall(FALSE);
}
}
crm_info("All subsystems stopped, continuing");
}
if (stonith_api) {
/* Prevent it from coming up again */
clear_bit(fsa_input_register, R_ST_REQUIRED);
crm_info("Disconnecting STONITH...");
stonith_api->cmds->disconnect(stonith_api);
}
}
/* A_SHUTDOWN_REQ */
void
do_shutdown_req(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
xmlNode *msg = NULL;
set_bit(fsa_input_register, R_SHUTDOWN);
- crm_info("Sending shutdown request to %s", crm_str(fsa_our_dc));
+ crm_info("Sending shutdown request to all peers (DC is %s)",
+ (fsa_our_dc? fsa_our_dc : "not set"));
msg = create_request(CRM_OP_SHUTDOWN_REQ, NULL, NULL, CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL);
/* set_bit(fsa_input_register, R_STAYDOWN); */
if (send_cluster_message(NULL, crm_msg_crmd, msg, TRUE) == FALSE) {
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
free_xml(msg);
}
extern crm_ipc_t *attrd_ipc;
extern char *max_generation_from;
extern xmlNode *max_generation_xml;
extern GHashTable *resource_history;
extern GHashTable *voted;
extern GHashTable *metadata_hash;
extern char *te_client_id;
void log_connected_client(gpointer key, gpointer value, gpointer user_data);
void
log_connected_client(gpointer key, gpointer value, gpointer user_data)
{
crm_client_t *client = value;
crm_err("%s is still connected at exit", crm_client_name(client));
}
int
crmd_fast_exit(int rc)
{
if (is_set(fsa_input_register, R_STAYDOWN)) {
crm_warn("Inhibiting respawn "CRM_XS" remapping exit code %d to %d",
rc, DAEMON_RESPAWN_STOP);
rc = DAEMON_RESPAWN_STOP;
}
if (rc == pcmk_ok && is_set(fsa_input_register, R_IN_RECOVERY)) {
crm_err("Could not recover from internal error");
rc = pcmk_err_generic;
}
return crm_exit(rc);
}
int
crmd_exit(int rc)
{
GListPtr gIter = NULL;
GMainLoop *mloop = crmd_mainloop;
static bool in_progress = FALSE;
if(in_progress && rc == 0) {
crm_debug("Exit is already in progress");
return rc;
} else if(in_progress) {
crm_notice("Error during shutdown process, terminating now with status %d: %s",
rc, pcmk_strerror(rc));
crm_write_blackbox(SIGTRAP, NULL);
crmd_fast_exit(rc);
}
in_progress = TRUE;
crm_trace("Preparing to exit: %d", rc);
/* Suppress secondary errors resulting from us disconnecting everything */
set_bit(fsa_input_register, R_HA_DISCONNECTED);
/* Close all IPC servers and clients to ensure any and all shared memory files are cleaned up */
if(ipcs) {
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs);
ipcs = NULL;
}
if (attrd_ipc) {
crm_trace("Closing attrd connection");
crm_ipc_close(attrd_ipc);
crm_ipc_destroy(attrd_ipc);
attrd_ipc = NULL;
}
if (pe_subsystem && pe_subsystem->client && pe_subsystem->client->ipcs) {
crm_trace("Disconnecting Policy Engine");
qb_ipcs_disconnect(pe_subsystem->client->ipcs);
}
if(stonith_api) {
crm_trace("Disconnecting fencing API");
clear_bit(fsa_input_register, R_ST_REQUIRED);
stonith_api->cmds->free(stonith_api); stonith_api = NULL;
}
if (rc == pcmk_ok && crmd_mainloop == NULL) {
crm_debug("No mainloop detected");
rc = EPROTO;
}
/* On an error, just get out.
*
* Otherwise, make the effort to have mainloop exit gracefully so
* that it (mostly) cleans up after itself and valgrind has less
* to report on - allowing real errors stand out
*/
if(rc != pcmk_ok) {
crm_notice("Forcing immediate exit with status %d: %s",
rc, pcmk_strerror(rc));
crm_write_blackbox(SIGTRAP, NULL);
return crmd_fast_exit(rc);
}
/* Clean up as much memory as possible for valgrind */
for (gIter = fsa_message_queue; gIter != NULL; gIter = gIter->next) {
fsa_data_t *fsa_data = gIter->data;
crm_info("Dropping %s: [ state=%s cause=%s origin=%s ]",
fsa_input2string(fsa_data->fsa_input),
fsa_state2string(fsa_state),
fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin);
delete_fsa_input(fsa_data);
}
clear_bit(fsa_input_register, R_MEMBERSHIP);
g_list_free(fsa_message_queue); fsa_message_queue = NULL;
free(pe_subsystem); pe_subsystem = NULL;
free(te_subsystem); te_subsystem = NULL;
free(cib_subsystem); cib_subsystem = NULL;
if (metadata_hash) {
crm_trace("Destroying reload cache with %d members", g_hash_table_size(metadata_hash));
g_hash_table_destroy(metadata_hash); metadata_hash = NULL;
}
election_fini(fsa_election);
fsa_election = NULL;
cib_delete(fsa_cib_conn);
fsa_cib_conn = NULL;
verify_stopped(fsa_state, LOG_WARNING);
clear_bit(fsa_input_register, R_LRM_CONNECTED);
lrm_state_destroy_all();
/* This basically will not work, since mainloop has a reference to it */
mainloop_destroy_trigger(fsa_source); fsa_source = NULL;
mainloop_destroy_trigger(config_read); config_read = NULL;
mainloop_destroy_trigger(stonith_reconnect); stonith_reconnect = NULL;
mainloop_destroy_trigger(transition_trigger); transition_trigger = NULL;
crm_client_cleanup();
crm_peer_destroy();
crm_timer_stop(transition_timer);
crm_timer_stop(integration_timer);
crm_timer_stop(finalization_timer);
crm_timer_stop(election_trigger);
election_timeout_stop(fsa_election);
crm_timer_stop(shutdown_escalation_timer);
crm_timer_stop(wait_timer);
crm_timer_stop(recheck_timer);
free(transition_timer); transition_timer = NULL;
free(integration_timer); integration_timer = NULL;
free(finalization_timer); finalization_timer = NULL;
free(election_trigger); election_trigger = NULL;
election_fini(fsa_election);
free(shutdown_escalation_timer); shutdown_escalation_timer = NULL;
free(wait_timer); wait_timer = NULL;
free(recheck_timer); recheck_timer = NULL;
free(fsa_our_dc_version); fsa_our_dc_version = NULL;
free(fsa_our_uname); fsa_our_uname = NULL;
free(fsa_our_uuid); fsa_our_uuid = NULL;
free(fsa_our_dc); fsa_our_dc = NULL;
free(fsa_cluster_name); fsa_cluster_name = NULL;
free(te_uuid); te_uuid = NULL;
free(te_client_id); te_client_id = NULL;
free(fsa_pe_ref); fsa_pe_ref = NULL;
free(failed_stop_offset); failed_stop_offset = NULL;
free(failed_start_offset); failed_start_offset = NULL;
free(max_generation_from); max_generation_from = NULL;
free_xml(max_generation_xml); max_generation_xml = NULL;
mainloop_destroy_signal(SIGPIPE);
mainloop_destroy_signal(SIGUSR1);
mainloop_destroy_signal(SIGTERM);
mainloop_destroy_signal(SIGTRAP);
/* leave SIGCHLD engaged as we might still want to drain some service-actions */
if (mloop) {
GMainContext *ctx = g_main_loop_get_context(crmd_mainloop);
/* Don't re-enter this block */
crmd_mainloop = NULL;
crmd_drain_alerts(ctx);
/* no signals on final draining anymore */
mainloop_destroy_signal(SIGCHLD);
crm_trace("Draining mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
{
int lpc = 0;
while((g_main_context_pending(ctx) && lpc < 10)) {
lpc++;
crm_trace("Iteration %d", lpc);
g_main_context_dispatch(ctx);
}
}
crm_trace("Closing mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
g_main_loop_quit(mloop);
#if SUPPORT_HEARTBEAT
/* Do this only after g_main_loop_quit().
*
* This interface was broken (incomplete) since it was introduced.
* ->delete() does cleanup and free most of it, but it does not
* actually remove and destroy the corresponding GSource, so the next
* prepare/check iteratioin would find a corrupt (because partially
* freed) GSource, and segfault.
*
* Apparently one was supposed to store the GSource as returned by
* G_main_add_ll_cluster(), and g_source_destroy() that "by hand".
*
* But no-one ever did this, not even in the old hb code when this was
* introduced.
*
* Note that fsa_cluster_conn was set as an "alias" to cluster->hb_conn
* in do_ha_control() right after crm_cluster_connect(), and only
* happens to still point at that object, because do_ha_control() does
* not reset it to NULL after crm_cluster_disconnect() above does
* reset cluster->hb_conn to NULL.
* Not sure if that's something to cleanup, too.
*
* I'll try to fix this up in heartbeat proper, so ->delete
* will actually remove, and destroy, and unref, and free this thing.
* Doing so after g_main_loop_quit() is valid with both old,
* and eventually fixed heartbeat.
*
* If we introduce the "by hand" destroy/remove/unref,
* this may break again once heartbeat is fixed :-(
*
* -- Lars Ellenberg
*/
if (fsa_cluster_conn) {
crm_trace("Deleting heartbeat api object");
fsa_cluster_conn->llc_ops->delete(fsa_cluster_conn);
fsa_cluster_conn = NULL;
}
#endif
/* Won't do anything yet, since we're inside it now */
g_main_loop_unref(mloop);
crm_trace("Done %d", rc);
} else {
mainloop_destroy_signal(SIGCHLD);
}
/* Graceful */
return rc;
}
/* A_EXIT_0, A_EXIT_1 */
void
do_exit(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
int exit_code = pcmk_ok;
int log_level = LOG_INFO;
const char *exit_type = "gracefully";
if (action & A_EXIT_1) {
/* exit_code = pcmk_err_generic; */
log_level = LOG_ERR;
exit_type = "forcefully";
exit_code = pcmk_err_generic;
}
verify_stopped(cur_state, LOG_ERR);
do_crm_log(log_level, "Performing %s - %s exiting the CRMd",
fsa_action2string(action), exit_type);
crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
crmd_exit(exit_code);
}
static void sigpipe_ignore(int nsig) { return; }
/* A_STARTUP */
void
do_startup(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
int was_error = 0;
crm_debug("Registering Signal Handlers");
mainloop_add_signal(SIGTERM, crm_shutdown);
mainloop_add_signal(SIGPIPE, sigpipe_ignore);
fsa_source = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL);
config_read = mainloop_add_trigger(G_PRIORITY_HIGH, crm_read_options, NULL);
transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL);
crm_debug("Creating CIB and LRM objects");
fsa_cib_conn = cib_new();
lrm_state_init_local();
/* set up the timers */
transition_timer = calloc(1, sizeof(fsa_timer_t));
integration_timer = calloc(1, sizeof(fsa_timer_t));
finalization_timer = calloc(1, sizeof(fsa_timer_t));
election_trigger = calloc(1, sizeof(fsa_timer_t));
shutdown_escalation_timer = calloc(1, sizeof(fsa_timer_t));
wait_timer = calloc(1, sizeof(fsa_timer_t));
recheck_timer = calloc(1, sizeof(fsa_timer_t));
if (election_trigger != NULL) {
election_trigger->source_id = 0;
election_trigger->period_ms = -1;
election_trigger->fsa_input = I_DC_TIMEOUT;
election_trigger->callback = crm_timer_popped;
election_trigger->repeat = FALSE;
} else {
was_error = TRUE;
}
if (transition_timer != NULL) {
transition_timer->source_id = 0;
transition_timer->period_ms = -1;
transition_timer->fsa_input = I_PE_CALC;
transition_timer->callback = crm_timer_popped;
transition_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (integration_timer != NULL) {
integration_timer->source_id = 0;
integration_timer->period_ms = -1;
integration_timer->fsa_input = I_INTEGRATED;
integration_timer->callback = crm_timer_popped;
integration_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (finalization_timer != NULL) {
finalization_timer->source_id = 0;
finalization_timer->period_ms = -1;
finalization_timer->fsa_input = I_FINALIZED;
finalization_timer->callback = crm_timer_popped;
finalization_timer->repeat = FALSE;
/* for possible enabling... a bug in the join protocol left
* a slave in S_PENDING while we think its in S_NOT_DC
*
* raising I_FINALIZED put us into a transition loop which is
* never resolved.
* in this loop we continually send probes which the node
* NACK's because its in S_PENDING
*
* if we have nodes where heartbeat is active but the
* CRM is not... then this will be handled in the
* integration phase
*/
finalization_timer->fsa_input = I_ELECTION;
} else {
was_error = TRUE;
}
if (shutdown_escalation_timer != NULL) {
shutdown_escalation_timer->source_id = 0;
shutdown_escalation_timer->period_ms = -1;
shutdown_escalation_timer->fsa_input = I_STOP;
shutdown_escalation_timer->callback = crm_timer_popped;
shutdown_escalation_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (wait_timer != NULL) {
wait_timer->source_id = 0;
wait_timer->period_ms = 2000;
wait_timer->fsa_input = I_NULL;
wait_timer->callback = crm_timer_popped;
wait_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (recheck_timer != NULL) {
recheck_timer->source_id = 0;
recheck_timer->period_ms = -1;
recheck_timer->fsa_input = I_PE_CALC;
recheck_timer->callback = crm_timer_popped;
recheck_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
/* set up the sub systems */
cib_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
te_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
pe_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
if (cib_subsystem != NULL) {
cib_subsystem->pid = -1;
cib_subsystem->name = CRM_SYSTEM_CIB;
cib_subsystem->flag_connected = R_CIB_CONNECTED;
cib_subsystem->flag_required = R_CIB_REQUIRED;
} else {
was_error = TRUE;
}
if (te_subsystem != NULL) {
te_subsystem->pid = -1;
te_subsystem->name = CRM_SYSTEM_TENGINE;
te_subsystem->flag_connected = R_TE_CONNECTED;
te_subsystem->flag_required = R_TE_REQUIRED;
} else {
was_error = TRUE;
}
if (pe_subsystem != NULL) {
pe_subsystem->pid = -1;
pe_subsystem->path = CRM_DAEMON_DIR;
pe_subsystem->name = CRM_SYSTEM_PENGINE;
pe_subsystem->command = CRM_DAEMON_DIR "/" CRM_SYSTEM_PENGINE;
pe_subsystem->args = NULL;
pe_subsystem->flag_connected = R_PE_CONNECTED;
pe_subsystem->flag_required = R_PE_REQUIRED;
} else {
was_error = TRUE;
}
if (was_error == FALSE && need_spawn_pengine_from_crmd()) {
if (start_subsystem(pe_subsystem) == FALSE) {
was_error = TRUE;
}
}
if (was_error) {
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
}
static int32_t
crmd_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid)
{
crm_trace("Connection %p", c);
if (crm_client_new(c, uid, gid) == NULL) {
return -EIO;
}
return 0;
}
static void
crmd_ipc_created(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
}
static int32_t
crmd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
uint32_t id = 0;
uint32_t flags = 0;
crm_client_t *client = crm_client_get(c);
xmlNode *msg = crm_ipcs_recv(client, data, size, &id, &flags);
crm_trace("Invoked: %s", crm_client_name(client));
crm_ipcs_send_ack(client, id, flags, "ack", __FUNCTION__, __LINE__);
if (msg == NULL) {
return 0;
}
#if ENABLE_ACL
CRM_ASSERT(client->user != NULL);
crm_acl_get_set_user(msg, F_CRM_USER, client->user);
#endif
crm_trace("Processing msg from %s", crm_client_name(client));
crm_log_xml_trace(msg, "CRMd[inbound]");
crm_xml_add(msg, F_CRM_SYS_FROM, client->id);
if (crmd_authorize_message(msg, client, NULL)) {
route_message(C_IPC_MESSAGE, msg);
}
trigger_fsa(fsa_source);
free_xml(msg);
return 0;
}
static int32_t
crmd_ipc_closed(qb_ipcs_connection_t * c)
{
crm_client_t *client = crm_client_get(c);
struct crm_subsystem_s *the_subsystem = NULL;
if (client == NULL) {
return 0;
}
crm_trace("Connection %p", c);
if (client->userdata == NULL) {
crm_trace("Client hadn't registered with us yet");
} else if (strcasecmp(CRM_SYSTEM_PENGINE, client->userdata) == 0) {
the_subsystem = pe_subsystem;
} else if (strcasecmp(CRM_SYSTEM_TENGINE, client->userdata) == 0) {
the_subsystem = te_subsystem;
} else if (strcasecmp(CRM_SYSTEM_CIB, client->userdata) == 0) {
the_subsystem = cib_subsystem;
}
if (the_subsystem != NULL) {
the_subsystem->source = NULL;
the_subsystem->client = NULL;
crm_info("Received HUP from %s:[%d]", the_subsystem->name, the_subsystem->pid);
} else {
/* else that was a transient client */
crm_trace("Received HUP from transient client");
}
crm_trace("Disconnecting client %s (%p)", crm_client_name(client), client);
free(client->userdata);
crm_client_destroy(client);
trigger_fsa(fsa_source);
return 0;
}
static void
crmd_ipc_destroy(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
crmd_ipc_closed(c);
}
/* A_STOP */
void
do_stop(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs); ipcs = NULL;
register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
}
/* A_STARTED */
void
do_started(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
static struct qb_ipcs_service_handlers crmd_callbacks = {
.connection_accept = crmd_ipc_accept,
.connection_created = crmd_ipc_created,
.msg_process = crmd_ipc_dispatch,
.connection_closed = crmd_ipc_closed,
.connection_destroyed = crmd_ipc_destroy
};
if (cur_state != S_STARTING) {
crm_err("Start cancelled... %s", fsa_state2string(cur_state));
return;
} else if (is_set(fsa_input_register, R_MEMBERSHIP) == FALSE) {
crm_info("Delaying start, no membership data (%.16llx)", R_MEMBERSHIP);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_LRM_CONNECTED) == FALSE) {
crm_info("Delaying start, LRM not connected (%.16llx)", R_LRM_CONNECTED);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) {
crm_info("Delaying start, CIB not connected (%.16llx)", R_CIB_CONNECTED);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_READ_CONFIG) == FALSE) {
crm_info("Delaying start, Config not read (%.16llx)", R_READ_CONFIG);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_PEER_DATA) == FALSE) {
/* try reading from HA */
crm_info("Delaying start, No peer data (%.16llx)", R_PEER_DATA);
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
HA_Message *msg = NULL;
crm_trace("Looking for a HA message");
msg = fsa_cluster_conn->llc_ops->readmsg(fsa_cluster_conn, 0);
if (msg != NULL) {
crm_trace("There was a HA message");
ha_msg_del(msg);
}
}
#endif
crmd_fsa_stall(TRUE);
return;
}
crm_debug("Init server comms");
ipcs = crmd_ipc_server_init(&crmd_callbacks);
if (ipcs == NULL) {
crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
if (stonith_reconnect == NULL) {
int dummy;
stonith_reconnect = mainloop_add_trigger(G_PRIORITY_LOW, te_connect_stonith, &dummy);
}
set_bit(fsa_input_register, R_ST_REQUIRED);
mainloop_set_trigger(stonith_reconnect);
crm_notice("The local CRM is operational");
clear_bit(fsa_input_register, R_STARTING);
register_fsa_input(msg_data->fsa_cause, I_PENDING, NULL);
}
/* A_RECOVER */
void
do_recover(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
set_bit(fsa_input_register, R_IN_RECOVERY);
crm_warn("Fast-tracking shutdown in response to errors");
register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
}
/* *INDENT-OFF* */
pe_cluster_option crmd_opts[] = {
/* name, old-name, validate, values, default, short description, long description */
{ "dc-version", NULL, "string", NULL, "none", NULL,
"Version of Pacemaker on the cluster's DC.",
"Includes the hash which identifies the exact changeset it was built from. Used for diagnostic purposes."
},
{ "cluster-infrastructure", NULL, "string", NULL, "heartbeat", NULL,
"The messaging stack on which Pacemaker is currently running.",
"Used for informational and diagnostic purposes." },
{ XML_CONFIG_ATTR_DC_DEADTIME, "dc_deadtime", "time", NULL, "20s", &check_time,
"How long to wait for a response from other nodes during startup.",
"The \"correct\" value will depend on the speed/load of your network and the type of switches used."
},
{ XML_CONFIG_ATTR_RECHECK, "cluster_recheck_interval", "time",
"Zero disables polling. Positive values are an interval in seconds (unless other SI units are specified. eg. 5min)",
"15min", &check_timer,
"Polling interval for time based changes to options, resource parameters and constraints.",
"The Cluster is primarily event driven, however the configuration can have elements that change based on time."
" To ensure these changes take effect, we can optionally poll the cluster's status for changes."
},
#ifdef RHEL7_COMPAT
/* These options were superseded by the alerts feature and now are just an
* alternate interface to it. It was never released upstream, but was
* released in RHEL 7, so we allow it to be enabled at compile-time by
* defining RHEL7_COMPAT.
*/
{ "notification-agent", NULL, "string", NULL, "/dev/null", &check_script,
"Deprecated",
"Use alert path in alerts section instead"
},
{ "notification-recipient", NULL, "string", NULL, "", NULL,
"Deprecated",
"Use recipient value in alerts section instead"
},
#endif
{ "load-threshold", NULL, "percentage", NULL, "80%", &check_utilization,
"The maximum amount of system resources that should be used by nodes in the cluster",
"The cluster will slow down its recovery process when the amount of system resources used"
" (currently CPU) approaches this limit",
},
{ "node-action-limit", NULL, "integer", NULL, "0", &check_number,
"The maximum number of jobs that can be scheduled per node. Defaults to 2x cores"},
{ XML_CONFIG_ATTR_ELECTION_FAIL, "election_timeout", "time", NULL, "2min", &check_timer,
"*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug."
},
{ XML_CONFIG_ATTR_FORCE_QUIT, "shutdown_escalation", "time", NULL, "20min", &check_timer,
"*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug."
},
{ "crmd-integration-timeout", NULL, "time", NULL, "3min", &check_timer,
"*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug."
},
{ "crmd-finalization-timeout", NULL, "time", NULL, "30min", &check_timer,
"*** Advanced Use Only ***.", "If you need to adjust this value, it probably indicates the presence of a bug."
},
{ "crmd-transition-delay", NULL, "time", NULL, "0s", &check_timer,
"*** Advanced Use Only ***\n"
"Enabling this option will slow down cluster recovery under all conditions",
"Delay cluster recovery for the configured interval to allow for additional/related events to occur.\n"
"Useful if your configuration is sensitive to the order in which ping updates arrive."
},
{ "stonith-watchdog-timeout", NULL, "time", NULL, NULL, &check_sbd_timeout,
"How long to wait before we can assume nodes are safely down", NULL
},
{ "no-quorum-policy", "no_quorum_policy", "enum", "stop, freeze, ignore, suicide", "stop", &check_quorum, NULL, NULL },
#if SUPPORT_PLUGIN
{ XML_ATTR_EXPECTED_VOTES, NULL, "integer", NULL, "2", &check_number, "The number of nodes expected to be in the cluster", "Used to calculate quorum in openais based clusters." },
#endif
};
/* *INDENT-ON* */
void
crmd_metadata(void)
{
config_metadata("CRM Daemon", "1.0",
"CRM Daemon Options",
"This is a fake resource that details the options that can be configured for the CRM Daemon.",
crmd_opts, DIMOF(crmd_opts));
}
static void
verify_crmd_options(GHashTable * options)
{
verify_all_options(options, crmd_opts, DIMOF(crmd_opts));
}
static const char *
crmd_pref(GHashTable * options, const char *name)
{
return get_cluster_pref(options, crmd_opts, DIMOF(crmd_opts), name);
}
static void
config_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
{
#ifdef RHEL7_COMPAT
const char *script = NULL;
#endif
const char *value = NULL;
GHashTable *config_hash = NULL;
crm_time_t *now = crm_time_new(NULL);
xmlNode *crmconfig = NULL;
xmlNode *alerts = NULL;
if (rc != pcmk_ok) {
fsa_data_t *msg_data = NULL;
crm_err("Local CIB query resulted in an error: %s", pcmk_strerror(rc));
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
if (rc == -EACCES || rc == -pcmk_err_schema_validation) {
crm_err("The cluster is mis-configured - shutting down and staying down");
set_bit(fsa_input_register, R_STAYDOWN);
}
goto bail;
}
crmconfig = output;
if ((crmconfig) &&
(crm_element_name(crmconfig)) &&
(strcmp(crm_element_name(crmconfig), XML_CIB_TAG_CRMCONFIG) != 0)) {
crmconfig = first_named_child(crmconfig, XML_CIB_TAG_CRMCONFIG);
}
if (!crmconfig) {
fsa_data_t *msg_data = NULL;
crm_err("Local CIB query for " XML_CIB_TAG_CRMCONFIG " section failed");
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
goto bail;
}
crm_debug("Call %d : Parsing CIB options", call_id);
config_hash =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
unpack_instance_attributes(crmconfig, crmconfig, XML_CIB_TAG_PROPSET, NULL, config_hash,
CIB_OPTIONS_FIRST, FALSE, now);
verify_crmd_options(config_hash);
#ifdef RHEL7_COMPAT
script = crmd_pref(config_hash, "notification-agent");
value = crmd_pref(config_hash, "notification-recipient");
crmd_enable_notifications(script, value);
#endif
value = crmd_pref(config_hash, XML_CONFIG_ATTR_DC_DEADTIME);
election_trigger->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "node-action-limit"); /* Also checks migration-limit */
throttle_update_job_max(value);
value = crmd_pref(config_hash, "load-threshold");
if(value) {
throttle_load_target = strtof(value, NULL) / 100;
}
value = crmd_pref(config_hash, "no-quorum-policy");
if (safe_str_eq(value, "suicide") && pcmk_locate_sbd()) {
no_quorum_suicide_escalation = TRUE;
}
value = crmd_pref(config_hash, XML_CONFIG_ATTR_FORCE_QUIT);
shutdown_escalation_timer->period_ms = crm_get_msec(value);
/* How long to declare an election over - even if not everyone voted */
crm_debug("Shutdown escalation occurs after: %dms", shutdown_escalation_timer->period_ms);
value = crmd_pref(config_hash, XML_CONFIG_ATTR_ELECTION_FAIL);
election_timeout_set_period(fsa_election, crm_get_msec(value));
value = crmd_pref(config_hash, XML_CONFIG_ATTR_RECHECK);
recheck_timer->period_ms = crm_get_msec(value);
crm_debug("Checking for expired actions every %dms", recheck_timer->period_ms);
value = crmd_pref(config_hash, "crmd-transition-delay");
transition_timer->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "crmd-integration-timeout");
integration_timer->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "crmd-finalization-timeout");
finalization_timer->period_ms = crm_get_msec(value);
#if SUPPORT_COROSYNC
if (is_classic_ais_cluster()) {
value = crmd_pref(config_hash, XML_ATTR_EXPECTED_VOTES);
crm_debug("Sending expected-votes=%s to corosync", value);
send_cluster_text(crm_class_quorum, value, TRUE, NULL, crm_msg_ais);
}
#endif
free(fsa_cluster_name);
fsa_cluster_name = NULL;
value = g_hash_table_lookup(config_hash, "cluster-name");
if (value) {
fsa_cluster_name = strdup(value);
}
alerts = first_named_child(output, XML_CIB_TAG_ALERTS);
parse_notifications(alerts);
set_bit(fsa_input_register, R_READ_CONFIG);
crm_trace("Triggering FSA: %s", __FUNCTION__);
mainloop_set_trigger(fsa_source);
g_hash_table_destroy(config_hash);
bail:
crm_time_free(now);
}
gboolean
crm_read_options(gpointer user_data)
{
int call_id =
fsa_cib_conn->cmds->query(fsa_cib_conn,
"//" XML_CIB_TAG_CRMCONFIG " | //" XML_CIB_TAG_ALERTS,
NULL, cib_xpath | cib_scope_local);
fsa_register_cib_callback(call_id, FALSE, NULL, config_query_callback);
crm_trace("Querying the CIB... call %d", call_id);
return TRUE;
}
/* A_READCONFIG */
void
do_read_config(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
throttle_init();
mainloop_set_trigger(config_read);
}
void
crm_shutdown(int nsig)
{
if (crmd_mainloop != NULL && g_main_is_running(crmd_mainloop)) {
if (is_set(fsa_input_register, R_SHUTDOWN)) {
crm_err("Escalating the shutdown");
register_fsa_input_before(C_SHUTDOWN, I_ERROR, NULL);
} else {
set_bit(fsa_input_register, R_SHUTDOWN);
register_fsa_input(C_SHUTDOWN, I_SHUTDOWN, NULL);
if (shutdown_escalation_timer->period_ms < 1) {
const char *value = crmd_pref(NULL, XML_CONFIG_ATTR_FORCE_QUIT);
int msec = crm_get_msec(value);
crm_debug("Using default shutdown escalation: %dms", msec);
shutdown_escalation_timer->period_ms = msec;
}
/* can't rely on this... */
crm_notice("Shutting down cluster resource manager " CRM_XS
" limit=%dms", shutdown_escalation_timer->period_ms);
crm_timer_start(shutdown_escalation_timer);
}
} else {
crm_info("exit from shutdown");
crmd_exit(pcmk_ok);
}
}
diff --git a/crmd/join_client.c b/crmd/join_client.c
index 155fae0e06..afd003ad33 100644
--- a/crmd/join_client.c
+++ b/crmd/join_client.c
@@ -1,283 +1,273 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crmd_fsa.h>
#include <crmd_messages.h>
int reannounce_count = 0;
void join_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data);
extern ha_msg_input_t *copy_ha_msg_input(ha_msg_input_t * orig);
/* A_CL_JOIN_QUERY */
/* is there a DC out there? */
void
do_cl_join_query(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
xmlNode *req = create_request(CRM_OP_JOIN_ANNOUNCE, NULL, NULL,
CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL);
sleep(1); /* give the CCM time to propogate to the DC */
update_dc(NULL); /* Unset any existing value so that the result is not discarded */
crm_debug("Querying for a DC");
send_cluster_message(NULL, crm_msg_crmd, req, FALSE);
free_xml(req);
}
/* A_CL_JOIN_ANNOUNCE */
/* this is kind of a workaround for the fact that we may not be around or
* are otherwise unable to reply when the DC sends out A_DC_JOIN_OFFER_ALL
*/
void
do_cl_join_announce(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
/* Once we hear from the DC, we can stop the timer
*
* This timer was started either on startup or when a node
* left the CCM list
*/
/* don't announce if we're in one of these states */
if (cur_state != S_PENDING) {
crm_warn("Not announcing cluster join because in state %s",
fsa_state2string(cur_state));
return;
}
if (AM_I_OPERATIONAL) {
/* send as a broadcast */
xmlNode *req = create_request(CRM_OP_JOIN_ANNOUNCE, NULL, NULL,
CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL);
crm_debug("Announcing availability");
update_dc(NULL);
send_cluster_message(NULL, crm_msg_crmd, req, FALSE);
free_xml(req);
} else {
/* Delay announce until we have finished local startup */
crm_warn("Delaying announce of cluster join until local startup is complete");
return;
}
}
static int query_call_id = 0;
/* A_CL_JOIN_REQUEST */
/* aka. accept the welcome offer */
void
do_cl_join_offer_respond(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg);
const char *welcome_from = crm_element_value(input->msg, F_CRM_HOST_FROM);
const char *join_id = crm_element_value(input->msg, F_CRM_JOIN_ID);
#if 0
if (we are sick) {
log error;
/* save the request for later? */
return;
}
#endif
crm_trace("Accepting cluster join offer from node %s "CRM_XS" join-%s",
welcome_from, crm_element_value(input->msg, F_CRM_JOIN_ID));
/* we only ever want the last one */
if (query_call_id > 0) {
crm_trace("Cancelling previous join query: %d", query_call_id);
remove_cib_op_callback(query_call_id, FALSE);
query_call_id = 0;
}
if (update_dc(input->msg) == FALSE) {
crm_warn("Discarding cluster join offer from node %s (expected %s)",
welcome_from, fsa_our_dc);
return;
}
CRM_LOG_ASSERT(input != NULL);
query_call_id =
fsa_cib_conn->cmds->query(fsa_cib_conn, NULL, NULL, cib_scope_local | cib_no_children);
fsa_register_cib_callback(query_call_id, FALSE, strdup(join_id), join_query_callback);
crm_trace("Registered join query callback: %d", query_call_id);
register_fsa_action(A_DC_TIMER_STOP);
}
void
join_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
{
char *join_id = user_data;
xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE);
CRM_LOG_ASSERT(join_id != NULL);
if (query_call_id != call_id) {
crm_trace("Query %d superseded", call_id);
goto done;
}
query_call_id = 0;
if(rc != pcmk_ok || output == NULL) {
crm_err("Could not retrieve version details for join-%s: %s (%d)",
join_id, pcmk_strerror(rc), rc);
register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__);
} else if (fsa_our_dc == NULL) {
crm_debug("Membership is in flux, not continuing join-%s", join_id);
} else {
xmlNode *reply = NULL;
crm_debug("Respond to join offer join-%s from %s", join_id, fsa_our_dc);
copy_in_properties(generation, output);
reply = create_request(CRM_OP_JOIN_REQUEST, generation, fsa_our_dc,
CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL);
crm_xml_add(reply, F_CRM_JOIN_ID, join_id);
send_cluster_message(crm_get_peer(0, fsa_our_dc), crm_msg_crmd, reply, TRUE);
free_xml(reply);
}
done:
free_xml(generation);
}
/* A_CL_JOIN_RESULT */
/* aka. this is notification that we have (or have not) been accepted */
void
do_cl_join_finalize_respond(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
xmlNode *tmp1 = NULL;
gboolean was_nack = TRUE;
static gboolean first_join = TRUE;
ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg);
int join_id = -1;
const char *op = crm_element_value(input->msg, F_CRM_TASK);
const char *ack_nack = crm_element_value(input->msg, CRM_OP_JOIN_ACKNAK);
const char *welcome_from = crm_element_value(input->msg, F_CRM_HOST_FROM);
if (safe_str_neq(op, CRM_OP_JOIN_ACKNAK)) {
crm_trace("Ignoring op=%s message", op);
return;
}
/* calculate if it was an ack or a nack */
if (crm_is_true(ack_nack)) {
was_nack = FALSE;
}
crm_element_value_int(input->msg, F_CRM_JOIN_ID, &join_id);
if (was_nack) {
crm_err("Shutting down because cluster join with leader %s failed "
CRM_XS" join-%d NACK'd", welcome_from, join_id);
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
return;
}
if (AM_I_DC == FALSE && safe_str_eq(welcome_from, fsa_our_uname)) {
crm_warn("Discarding our own welcome - we're no longer the DC");
return;
}
if (update_dc(input->msg) == FALSE) {
crm_warn("Discarding %s from node %s (expected from %s)",
op, welcome_from, fsa_our_dc);
return;
}
/* send our status section to the DC */
- crm_debug("Confirming join join-%d: %s", join_id, crm_element_value(input->msg, F_CRM_TASK));
tmp1 = do_lrm_query(TRUE, fsa_our_uname);
if (tmp1 != NULL) {
xmlNode *reply = create_request(CRM_OP_JOIN_CONFIRM, tmp1, fsa_our_dc,
CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL);
crm_xml_add_int(reply, F_CRM_JOIN_ID, join_id);
- crm_debug("join-%d: Join complete."
- " Sending local LRM status to %s", join_id, fsa_our_dc);
-
- if (first_join) {
+ crm_debug("Confirming join-%d: sending local operation history to %s",
+ join_id, fsa_our_dc);
+
+ /*
+ * If this is the node's first join since the crmd started on it, clear
+ * any previous transient node attributes, to handle the case where
+ * the node restarted so quickly that the cluster layer didn't notice.
+ *
+ * Do not remove the resources though, they'll be cleaned up in
+ * do_dc_join_ack(). Removing them here creates a race condition if the
+ * crmd is being recovered. Instead of a list of active resources from
+ * the lrmd, we may end up with a blank status section. If we are _NOT_
+ * lucky, we will probe for the "wrong" instance of anonymous clones and
+ * end up with multiple active instances on the machine.
+ */
+ if (first_join && is_not_set(fsa_input_register, R_SHUTDOWN)) {
first_join = FALSE;
-
- /*
- * Clear any previous transient node attribute and lrm operations
- *
- * Corosync has a nasty habit of not being able to tell if a
- * node is returning or didn't leave in the first place.
- * This confuses Pacemaker because it never gets a "node up"
- * event which is normally used to clean up the status section.
- *
- * Do not remove the resources though, they'll be cleaned up in
- * do_dc_join_ack(). Removing them here creates a race
- * condition if the crmd is being recovered.
- * Instead of a list of active resources from the lrmd
- * we may end up with a blank status section.
- * If we are _NOT_ lucky, we will probe for the "wrong" instance
- * of anonymous clones and end up with multiple active
- * instances on the machine.
- */
erase_status_tag(fsa_our_uname, XML_TAG_TRANSIENT_NODEATTRS, 0);
-
- /* Just in case attrd was still around too */
- if (is_not_set(fsa_input_register, R_SHUTDOWN)) {
- update_attrd(fsa_our_uname, "terminate", NULL, NULL, FALSE);
- update_attrd(fsa_our_uname, XML_CIB_ATTR_SHUTDOWN, "0", NULL, FALSE);
- }
+ update_attrd(fsa_our_uname, "terminate", NULL, NULL, FALSE);
+ update_attrd(fsa_our_uname, XML_CIB_ATTR_SHUTDOWN, "0", NULL, FALSE);
}
send_cluster_message(crm_get_peer(0, fsa_our_dc), crm_msg_crmd, reply, TRUE);
free_xml(reply);
if (AM_I_DC == FALSE) {
register_fsa_input_adv(cause, I_NOT_DC, NULL, A_NOTHING, TRUE, __FUNCTION__);
update_attrd(NULL, NULL, NULL, NULL, FALSE);
}
free_xml(tmp1);
} else {
- crm_err("Could not send our LRM state to the DC");
+ crm_err("Could not confirm join-%d with %s: Local operation history failed",
+ join_id, fsa_our_dc);
register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL);
}
}
diff --git a/crmd/utils.c b/crmd/utils.c
index 178ab979ee..bae30d1433 100644
--- a/crmd/utils.c
+++ b/crmd/utils.c
@@ -1,1135 +1,1160 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/attrd.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/cluster.h>
#include <crmd_fsa.h>
#include <crmd_utils.h>
#include <crmd_messages.h>
/* A_DC_TIMER_STOP, A_DC_TIMER_START,
* A_FINALIZE_TIMER_STOP, A_FINALIZE_TIMER_START
* A_INTEGRATE_TIMER_STOP, A_INTEGRATE_TIMER_START
*/
void
do_timer_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
gboolean timer_op_ok = TRUE;
if (action & A_DC_TIMER_STOP) {
timer_op_ok = crm_timer_stop(election_trigger);
} else if (action & A_FINALIZE_TIMER_STOP) {
timer_op_ok = crm_timer_stop(finalization_timer);
} else if (action & A_INTEGRATE_TIMER_STOP) {
timer_op_ok = crm_timer_stop(integration_timer);
/* } else if(action & A_ELECTION_TIMEOUT_STOP) { */
/* timer_op_ok = crm_timer_stop(election_timeout); */
}
/* don't start a timer that wasn't already running */
if (action & A_DC_TIMER_START && timer_op_ok) {
crm_timer_start(election_trigger);
if (AM_I_DC) {
/* there can be only one */
register_fsa_input(cause, I_ELECTION, NULL);
}
} else if (action & A_FINALIZE_TIMER_START) {
crm_timer_start(finalization_timer);
} else if (action & A_INTEGRATE_TIMER_START) {
crm_timer_start(integration_timer);
/* } else if(action & A_ELECTION_TIMEOUT_START) { */
/* crm_timer_start(election_timeout); */
}
}
const char *
get_timer_desc(fsa_timer_t * timer)
{
if (timer == election_trigger) {
return "Election Trigger";
} else if (timer == shutdown_escalation_timer) {
return "Shutdown Escalation";
} else if (timer == integration_timer) {
return "Integration Timer";
} else if (timer == finalization_timer) {
return "Finalization Timer";
} else if (timer == transition_timer) {
return "New Transition Timer";
} else if (timer == wait_timer) {
return "Wait Timer";
} else if (timer == recheck_timer) {
return "PEngine Recheck Timer";
}
return "Unknown Timer";
}
gboolean
crm_timer_popped(gpointer data)
{
fsa_timer_t *timer = (fsa_timer_t *) data;
if (timer == wait_timer
|| timer == recheck_timer
|| timer == transition_timer || timer == finalization_timer || timer == election_trigger) {
crm_info("%s (%s) just popped (%dms)",
get_timer_desc(timer), fsa_input2string(timer->fsa_input), timer->period_ms);
timer->counter++;
} else {
crm_err("%s (%s) just popped in state %s! (%dms)",
get_timer_desc(timer), fsa_input2string(timer->fsa_input),
fsa_state2string(fsa_state), timer->period_ms);
}
if (timer == election_trigger && election_trigger->counter > 5) {
crm_notice("We appear to be in an election loop, something may be wrong");
crm_write_blackbox(0, NULL);
election_trigger->counter = 0;
}
if (timer->repeat == FALSE) {
crm_timer_stop(timer); /* make it _not_ go off again */
}
if (timer->fsa_input == I_INTEGRATED) {
crm_info("Welcomed: %d, Integrated: %d",
crmd_join_phase_count(crm_join_welcomed),
crmd_join_phase_count(crm_join_integrated));
if (crmd_join_phase_count(crm_join_welcomed) == 0) {
/* If we don't even have ourself, start again */
register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION, NULL, NULL, __FUNCTION__);
} else {
register_fsa_input_before(C_TIMER_POPPED, timer->fsa_input, NULL);
}
} else if (timer == recheck_timer && fsa_state != S_IDLE) {
crm_debug("Discarding %s event in state: %s",
fsa_input2string(timer->fsa_input), fsa_state2string(fsa_state));
} else if (timer == finalization_timer && fsa_state != S_FINALIZE_JOIN) {
crm_debug("Discarding %s event in state: %s",
fsa_input2string(timer->fsa_input), fsa_state2string(fsa_state));
} else if (timer->fsa_input != I_NULL) {
register_fsa_input(C_TIMER_POPPED, timer->fsa_input, NULL);
}
crm_trace("Triggering FSA: %s", __FUNCTION__);
mainloop_set_trigger(fsa_source);
return TRUE;
}
gboolean
is_timer_started(fsa_timer_t * timer)
{
if (timer->period_ms > 0) {
if (transition_timer->source_id == 0) {
return FALSE;
} else {
return TRUE;
}
}
return FALSE;
}
gboolean
crm_timer_start(fsa_timer_t * timer)
{
const char *timer_desc = get_timer_desc(timer);
if (timer->source_id == 0 && timer->period_ms > 0) {
timer->source_id = g_timeout_add(timer->period_ms, timer->callback, (void *)timer);
CRM_ASSERT(timer->source_id != 0);
crm_debug("Started %s (%s:%dms), src=%d",
timer_desc, fsa_input2string(timer->fsa_input),
timer->period_ms, timer->source_id);
} else if (timer->period_ms < 0) {
crm_err("Tried to start %s (%s:%dms) with a -ve period",
timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms);
} else {
crm_debug("%s (%s:%dms) already running: src=%d",
timer_desc, fsa_input2string(timer->fsa_input),
timer->period_ms, timer->source_id);
return FALSE;
}
return TRUE;
}
gboolean
crm_timer_stop(fsa_timer_t * timer)
{
const char *timer_desc = get_timer_desc(timer);
if (timer == NULL) {
crm_err("Attempted to stop NULL timer");
return FALSE;
} else if (timer->source_id != 0) {
crm_trace("Stopping %s (%s:%dms), src=%d",
timer_desc, fsa_input2string(timer->fsa_input),
timer->period_ms, timer->source_id);
g_source_remove(timer->source_id);
timer->source_id = 0;
} else {
crm_trace("%s (%s:%dms) already stopped",
timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms);
return FALSE;
}
return TRUE;
}
const char *
fsa_input2string(enum crmd_fsa_input input)
{
const char *inputAsText = NULL;
switch (input) {
case I_NULL:
inputAsText = "I_NULL";
break;
case I_CIB_OP:
inputAsText = "I_CIB_OP (unused)";
break;
case I_CIB_UPDATE:
inputAsText = "I_CIB_UPDATE";
break;
case I_DC_TIMEOUT:
inputAsText = "I_DC_TIMEOUT";
break;
case I_ELECTION:
inputAsText = "I_ELECTION";
break;
case I_PE_CALC:
inputAsText = "I_PE_CALC";
break;
case I_RELEASE_DC:
inputAsText = "I_RELEASE_DC";
break;
case I_ELECTION_DC:
inputAsText = "I_ELECTION_DC";
break;
case I_ERROR:
inputAsText = "I_ERROR";
break;
case I_FAIL:
inputAsText = "I_FAIL";
break;
case I_INTEGRATED:
inputAsText = "I_INTEGRATED";
break;
case I_FINALIZED:
inputAsText = "I_FINALIZED";
break;
case I_NODE_JOIN:
inputAsText = "I_NODE_JOIN";
break;
case I_JOIN_OFFER:
inputAsText = "I_JOIN_OFFER";
break;
case I_JOIN_REQUEST:
inputAsText = "I_JOIN_REQUEST";
break;
case I_JOIN_RESULT:
inputAsText = "I_JOIN_RESULT";
break;
case I_NOT_DC:
inputAsText = "I_NOT_DC";
break;
case I_RECOVERED:
inputAsText = "I_RECOVERED";
break;
case I_RELEASE_FAIL:
inputAsText = "I_RELEASE_FAIL";
break;
case I_RELEASE_SUCCESS:
inputAsText = "I_RELEASE_SUCCESS";
break;
case I_RESTART:
inputAsText = "I_RESTART";
break;
case I_PE_SUCCESS:
inputAsText = "I_PE_SUCCESS";
break;
case I_ROUTER:
inputAsText = "I_ROUTER";
break;
case I_SHUTDOWN:
inputAsText = "I_SHUTDOWN";
break;
case I_STARTUP:
inputAsText = "I_STARTUP";
break;
case I_TE_SUCCESS:
inputAsText = "I_TE_SUCCESS";
break;
case I_STOP:
inputAsText = "I_STOP";
break;
case I_DC_HEARTBEAT:
inputAsText = "I_DC_HEARTBEAT";
break;
case I_WAIT_FOR_EVENT:
inputAsText = "I_WAIT_FOR_EVENT";
break;
case I_LRM_EVENT:
inputAsText = "I_LRM_EVENT";
break;
case I_PENDING:
inputAsText = "I_PENDING";
break;
case I_HALT:
inputAsText = "I_HALT";
break;
case I_TERMINATE:
inputAsText = "I_TERMINATE";
break;
case I_ILLEGAL:
inputAsText = "I_ILLEGAL";
break;
}
if (inputAsText == NULL) {
crm_err("Input %d is unknown", input);
inputAsText = "<UNKNOWN_INPUT>";
}
return inputAsText;
}
const char *
fsa_state2string(enum crmd_fsa_state state)
{
const char *stateAsText = NULL;
switch (state) {
case S_IDLE:
stateAsText = "S_IDLE";
break;
case S_ELECTION:
stateAsText = "S_ELECTION";
break;
case S_INTEGRATION:
stateAsText = "S_INTEGRATION";
break;
case S_FINALIZE_JOIN:
stateAsText = "S_FINALIZE_JOIN";
break;
case S_NOT_DC:
stateAsText = "S_NOT_DC";
break;
case S_POLICY_ENGINE:
stateAsText = "S_POLICY_ENGINE";
break;
case S_RECOVERY:
stateAsText = "S_RECOVERY";
break;
case S_RELEASE_DC:
stateAsText = "S_RELEASE_DC";
break;
case S_PENDING:
stateAsText = "S_PENDING";
break;
case S_STOPPING:
stateAsText = "S_STOPPING";
break;
case S_TERMINATE:
stateAsText = "S_TERMINATE";
break;
case S_TRANSITION_ENGINE:
stateAsText = "S_TRANSITION_ENGINE";
break;
case S_STARTING:
stateAsText = "S_STARTING";
break;
case S_HALT:
stateAsText = "S_HALT";
break;
case S_ILLEGAL:
stateAsText = "S_ILLEGAL";
break;
}
if (stateAsText == NULL) {
crm_err("State %d is unknown", state);
stateAsText = "<UNKNOWN_STATE>";
}
return stateAsText;
}
const char *
fsa_cause2string(enum crmd_fsa_cause cause)
{
const char *causeAsText = NULL;
switch (cause) {
case C_UNKNOWN:
causeAsText = "C_UNKNOWN";
break;
case C_STARTUP:
causeAsText = "C_STARTUP";
break;
case C_IPC_MESSAGE:
causeAsText = "C_IPC_MESSAGE";
break;
case C_HA_MESSAGE:
causeAsText = "C_HA_MESSAGE";
break;
case C_CCM_CALLBACK:
causeAsText = "C_CCM_CALLBACK";
break;
case C_TIMER_POPPED:
causeAsText = "C_TIMER_POPPED";
break;
case C_SHUTDOWN:
causeAsText = "C_SHUTDOWN";
break;
case C_HEARTBEAT_FAILED:
causeAsText = "C_HEARTBEAT_FAILED";
break;
case C_SUBSYSTEM_CONNECT:
causeAsText = "C_SUBSYSTEM_CONNECT";
break;
case C_LRM_OP_CALLBACK:
causeAsText = "C_LRM_OP_CALLBACK";
break;
case C_LRM_MONITOR_CALLBACK:
causeAsText = "C_LRM_MONITOR_CALLBACK";
break;
case C_CRMD_STATUS_CALLBACK:
causeAsText = "C_CRMD_STATUS_CALLBACK";
break;
case C_HA_DISCONNECT:
causeAsText = "C_HA_DISCONNECT";
break;
case C_FSA_INTERNAL:
causeAsText = "C_FSA_INTERNAL";
break;
case C_ILLEGAL:
causeAsText = "C_ILLEGAL";
break;
}
if (causeAsText == NULL) {
crm_err("Cause %d is unknown", cause);
causeAsText = "<UNKNOWN_CAUSE>";
}
return causeAsText;
}
const char *
fsa_action2string(long long action)
{
const char *actionAsText = NULL;
switch (action) {
case A_NOTHING:
actionAsText = "A_NOTHING";
break;
case A_ELECTION_START:
actionAsText = "A_ELECTION_START";
break;
case A_DC_JOIN_FINAL:
actionAsText = "A_DC_JOIN_FINAL";
break;
case A_READCONFIG:
actionAsText = "A_READCONFIG";
break;
case O_RELEASE:
actionAsText = "O_RELEASE";
break;
case A_STARTUP:
actionAsText = "A_STARTUP";
break;
case A_STARTED:
actionAsText = "A_STARTED";
break;
case A_HA_CONNECT:
actionAsText = "A_HA_CONNECT";
break;
case A_HA_DISCONNECT:
actionAsText = "A_HA_DISCONNECT";
break;
case A_LRM_CONNECT:
actionAsText = "A_LRM_CONNECT";
break;
case A_LRM_EVENT:
actionAsText = "A_LRM_EVENT";
break;
case A_LRM_INVOKE:
actionAsText = "A_LRM_INVOKE";
break;
case A_LRM_DISCONNECT:
actionAsText = "A_LRM_DISCONNECT";
break;
case O_LRM_RECONNECT:
actionAsText = "O_LRM_RECONNECT";
break;
case A_CL_JOIN_QUERY:
actionAsText = "A_CL_JOIN_QUERY";
break;
case A_DC_TIMER_STOP:
actionAsText = "A_DC_TIMER_STOP";
break;
case A_DC_TIMER_START:
actionAsText = "A_DC_TIMER_START";
break;
case A_INTEGRATE_TIMER_START:
actionAsText = "A_INTEGRATE_TIMER_START";
break;
case A_INTEGRATE_TIMER_STOP:
actionAsText = "A_INTEGRATE_TIMER_STOP";
break;
case A_FINALIZE_TIMER_START:
actionAsText = "A_FINALIZE_TIMER_START";
break;
case A_FINALIZE_TIMER_STOP:
actionAsText = "A_FINALIZE_TIMER_STOP";
break;
case A_ELECTION_COUNT:
actionAsText = "A_ELECTION_COUNT";
break;
case A_ELECTION_VOTE:
actionAsText = "A_ELECTION_VOTE";
break;
case A_ELECTION_CHECK:
actionAsText = "A_ELECTION_CHECK";
break;
case A_CL_JOIN_ANNOUNCE:
actionAsText = "A_CL_JOIN_ANNOUNCE";
break;
case A_CL_JOIN_REQUEST:
actionAsText = "A_CL_JOIN_REQUEST";
break;
case A_CL_JOIN_RESULT:
actionAsText = "A_CL_JOIN_RESULT";
break;
case A_DC_JOIN_OFFER_ALL:
actionAsText = "A_DC_JOIN_OFFER_ALL";
break;
case A_DC_JOIN_OFFER_ONE:
actionAsText = "A_DC_JOIN_OFFER_ONE";
break;
case A_DC_JOIN_PROCESS_REQ:
actionAsText = "A_DC_JOIN_PROCESS_REQ";
break;
case A_DC_JOIN_PROCESS_ACK:
actionAsText = "A_DC_JOIN_PROCESS_ACK";
break;
case A_DC_JOIN_FINALIZE:
actionAsText = "A_DC_JOIN_FINALIZE";
break;
case A_MSG_PROCESS:
actionAsText = "A_MSG_PROCESS";
break;
case A_MSG_ROUTE:
actionAsText = "A_MSG_ROUTE";
break;
case A_RECOVER:
actionAsText = "A_RECOVER";
break;
case A_DC_RELEASE:
actionAsText = "A_DC_RELEASE";
break;
case A_DC_RELEASED:
actionAsText = "A_DC_RELEASED";
break;
case A_DC_TAKEOVER:
actionAsText = "A_DC_TAKEOVER";
break;
case A_SHUTDOWN:
actionAsText = "A_SHUTDOWN";
break;
case A_SHUTDOWN_REQ:
actionAsText = "A_SHUTDOWN_REQ";
break;
case A_STOP:
actionAsText = "A_STOP ";
break;
case A_EXIT_0:
actionAsText = "A_EXIT_0";
break;
case A_EXIT_1:
actionAsText = "A_EXIT_1";
break;
case A_CCM_CONNECT:
actionAsText = "A_CCM_CONNECT";
break;
case A_CCM_DISCONNECT:
actionAsText = "A_CCM_DISCONNECT";
break;
case O_CIB_RESTART:
actionAsText = "O_CIB_RESTART";
break;
case A_CIB_START:
actionAsText = "A_CIB_START";
break;
case A_CIB_STOP:
actionAsText = "A_CIB_STOP";
break;
case A_TE_INVOKE:
actionAsText = "A_TE_INVOKE";
break;
case O_TE_RESTART:
actionAsText = "O_TE_RESTART";
break;
case A_TE_START:
actionAsText = "A_TE_START";
break;
case A_TE_STOP:
actionAsText = "A_TE_STOP";
break;
case A_TE_HALT:
actionAsText = "A_TE_HALT";
break;
case A_TE_CANCEL:
actionAsText = "A_TE_CANCEL";
break;
case A_PE_INVOKE:
actionAsText = "A_PE_INVOKE";
break;
case O_PE_RESTART:
actionAsText = "O_PE_RESTART";
break;
case A_PE_START:
actionAsText = "A_PE_START";
break;
case A_PE_STOP:
actionAsText = "A_PE_STOP";
break;
case A_NODE_BLOCK:
actionAsText = "A_NODE_BLOCK";
break;
case A_UPDATE_NODESTATUS:
actionAsText = "A_UPDATE_NODESTATUS";
break;
case A_LOG:
actionAsText = "A_LOG ";
break;
case A_ERROR:
actionAsText = "A_ERROR ";
break;
case A_WARN:
actionAsText = "A_WARN ";
break;
/* Composite actions */
case A_DC_TIMER_START | A_CL_JOIN_QUERY:
actionAsText = "A_DC_TIMER_START|A_CL_JOIN_QUERY";
break;
}
if (actionAsText == NULL) {
crm_err("Action %.16llx is unknown", action);
actionAsText = "<UNKNOWN_ACTION>";
}
return actionAsText;
}
void
fsa_dump_inputs(int log_level, const char *text, long long input_register)
{
if (input_register == A_NOTHING) {
return;
}
if (text == NULL) {
text = "Input register contents:";
}
if (is_set(input_register, R_THE_DC)) {
crm_trace("%s %.16llx (R_THE_DC)", text, R_THE_DC);
}
if (is_set(input_register, R_STARTING)) {
crm_trace("%s %.16llx (R_STARTING)", text, R_STARTING);
}
if (is_set(input_register, R_SHUTDOWN)) {
crm_trace("%s %.16llx (R_SHUTDOWN)", text, R_SHUTDOWN);
}
if (is_set(input_register, R_STAYDOWN)) {
crm_trace("%s %.16llx (R_STAYDOWN)", text, R_STAYDOWN);
}
if (is_set(input_register, R_JOIN_OK)) {
crm_trace("%s %.16llx (R_JOIN_OK)", text, R_JOIN_OK);
}
if (is_set(input_register, R_READ_CONFIG)) {
crm_trace("%s %.16llx (R_READ_CONFIG)", text, R_READ_CONFIG);
}
if (is_set(input_register, R_INVOKE_PE)) {
crm_trace("%s %.16llx (R_INVOKE_PE)", text, R_INVOKE_PE);
}
if (is_set(input_register, R_CIB_CONNECTED)) {
crm_trace("%s %.16llx (R_CIB_CONNECTED)", text, R_CIB_CONNECTED);
}
if (is_set(input_register, R_PE_CONNECTED)) {
crm_trace("%s %.16llx (R_PE_CONNECTED)", text, R_PE_CONNECTED);
}
if (is_set(input_register, R_TE_CONNECTED)) {
crm_trace("%s %.16llx (R_TE_CONNECTED)", text, R_TE_CONNECTED);
}
if (is_set(input_register, R_LRM_CONNECTED)) {
crm_trace("%s %.16llx (R_LRM_CONNECTED)", text, R_LRM_CONNECTED);
}
if (is_set(input_register, R_CIB_REQUIRED)) {
crm_trace("%s %.16llx (R_CIB_REQUIRED)", text, R_CIB_REQUIRED);
}
if (is_set(input_register, R_PE_REQUIRED)) {
crm_trace("%s %.16llx (R_PE_REQUIRED)", text, R_PE_REQUIRED);
}
if (is_set(input_register, R_TE_REQUIRED)) {
crm_trace("%s %.16llx (R_TE_REQUIRED)", text, R_TE_REQUIRED);
}
if (is_set(input_register, R_REQ_PEND)) {
crm_trace("%s %.16llx (R_REQ_PEND)", text, R_REQ_PEND);
}
if (is_set(input_register, R_PE_PEND)) {
crm_trace("%s %.16llx (R_PE_PEND)", text, R_PE_PEND);
}
if (is_set(input_register, R_TE_PEND)) {
crm_trace("%s %.16llx (R_TE_PEND)", text, R_TE_PEND);
}
if (is_set(input_register, R_RESP_PEND)) {
crm_trace("%s %.16llx (R_RESP_PEND)", text, R_RESP_PEND);
}
if (is_set(input_register, R_CIB_DONE)) {
crm_trace("%s %.16llx (R_CIB_DONE)", text, R_CIB_DONE);
}
if (is_set(input_register, R_HAVE_CIB)) {
crm_trace("%s %.16llx (R_HAVE_CIB)", text, R_HAVE_CIB);
}
if (is_set(input_register, R_CIB_ASKED)) {
crm_trace("%s %.16llx (R_CIB_ASKED)", text, R_CIB_ASKED);
}
if (is_set(input_register, R_MEMBERSHIP)) {
crm_trace("%s %.16llx (R_MEMBERSHIP)", text, R_MEMBERSHIP);
}
if (is_set(input_register, R_PEER_DATA)) {
crm_trace("%s %.16llx (R_PEER_DATA)", text, R_PEER_DATA);
}
if (is_set(input_register, R_IN_RECOVERY)) {
crm_trace("%s %.16llx (R_IN_RECOVERY)", text, R_IN_RECOVERY);
}
}
void
fsa_dump_actions(long long action, const char *text)
{
if (is_set(action, A_READCONFIG)) {
crm_trace("Action %.16llx (A_READCONFIG) %s", A_READCONFIG, text);
}
if (is_set(action, A_STARTUP)) {
crm_trace("Action %.16llx (A_STARTUP) %s", A_STARTUP, text);
}
if (is_set(action, A_STARTED)) {
crm_trace("Action %.16llx (A_STARTED) %s", A_STARTED, text);
}
if (is_set(action, A_HA_CONNECT)) {
crm_trace("Action %.16llx (A_CONNECT) %s", A_HA_CONNECT, text);
}
if (is_set(action, A_HA_DISCONNECT)) {
crm_trace("Action %.16llx (A_DISCONNECT) %s", A_HA_DISCONNECT, text);
}
if (is_set(action, A_LRM_CONNECT)) {
crm_trace("Action %.16llx (A_LRM_CONNECT) %s", A_LRM_CONNECT, text);
}
if (is_set(action, A_LRM_EVENT)) {
crm_trace("Action %.16llx (A_LRM_EVENT) %s", A_LRM_EVENT, text);
}
if (is_set(action, A_LRM_INVOKE)) {
crm_trace("Action %.16llx (A_LRM_INVOKE) %s", A_LRM_INVOKE, text);
}
if (is_set(action, A_LRM_DISCONNECT)) {
crm_trace("Action %.16llx (A_LRM_DISCONNECT) %s", A_LRM_DISCONNECT, text);
}
if (is_set(action, A_DC_TIMER_STOP)) {
crm_trace("Action %.16llx (A_DC_TIMER_STOP) %s", A_DC_TIMER_STOP, text);
}
if (is_set(action, A_DC_TIMER_START)) {
crm_trace("Action %.16llx (A_DC_TIMER_START) %s", A_DC_TIMER_START, text);
}
if (is_set(action, A_INTEGRATE_TIMER_START)) {
crm_trace("Action %.16llx (A_INTEGRATE_TIMER_START) %s", A_INTEGRATE_TIMER_START, text);
}
if (is_set(action, A_INTEGRATE_TIMER_STOP)) {
crm_trace("Action %.16llx (A_INTEGRATE_TIMER_STOP) %s", A_INTEGRATE_TIMER_STOP, text);
}
if (is_set(action, A_FINALIZE_TIMER_START)) {
crm_trace("Action %.16llx (A_FINALIZE_TIMER_START) %s", A_FINALIZE_TIMER_START, text);
}
if (is_set(action, A_FINALIZE_TIMER_STOP)) {
crm_trace("Action %.16llx (A_FINALIZE_TIMER_STOP) %s", A_FINALIZE_TIMER_STOP, text);
}
if (is_set(action, A_ELECTION_COUNT)) {
crm_trace("Action %.16llx (A_ELECTION_COUNT) %s", A_ELECTION_COUNT, text);
}
if (is_set(action, A_ELECTION_VOTE)) {
crm_trace("Action %.16llx (A_ELECTION_VOTE) %s", A_ELECTION_VOTE, text);
}
if (is_set(action, A_ELECTION_CHECK)) {
crm_trace("Action %.16llx (A_ELECTION_CHECK) %s", A_ELECTION_CHECK, text);
}
if (is_set(action, A_CL_JOIN_ANNOUNCE)) {
crm_trace("Action %.16llx (A_CL_JOIN_ANNOUNCE) %s", A_CL_JOIN_ANNOUNCE, text);
}
if (is_set(action, A_CL_JOIN_REQUEST)) {
crm_trace("Action %.16llx (A_CL_JOIN_REQUEST) %s", A_CL_JOIN_REQUEST, text);
}
if (is_set(action, A_CL_JOIN_RESULT)) {
crm_trace("Action %.16llx (A_CL_JOIN_RESULT) %s", A_CL_JOIN_RESULT, text);
}
if (is_set(action, A_DC_JOIN_OFFER_ALL)) {
crm_trace("Action %.16llx (A_DC_JOIN_OFFER_ALL) %s", A_DC_JOIN_OFFER_ALL, text);
}
if (is_set(action, A_DC_JOIN_OFFER_ONE)) {
crm_trace("Action %.16llx (A_DC_JOIN_OFFER_ONE) %s", A_DC_JOIN_OFFER_ONE, text);
}
if (is_set(action, A_DC_JOIN_PROCESS_REQ)) {
crm_trace("Action %.16llx (A_DC_JOIN_PROCESS_REQ) %s", A_DC_JOIN_PROCESS_REQ, text);
}
if (is_set(action, A_DC_JOIN_PROCESS_ACK)) {
crm_trace("Action %.16llx (A_DC_JOIN_PROCESS_ACK) %s", A_DC_JOIN_PROCESS_ACK, text);
}
if (is_set(action, A_DC_JOIN_FINALIZE)) {
crm_trace("Action %.16llx (A_DC_JOIN_FINALIZE) %s", A_DC_JOIN_FINALIZE, text);
}
if (is_set(action, A_MSG_PROCESS)) {
crm_trace("Action %.16llx (A_MSG_PROCESS) %s", A_MSG_PROCESS, text);
}
if (is_set(action, A_MSG_ROUTE)) {
crm_trace("Action %.16llx (A_MSG_ROUTE) %s", A_MSG_ROUTE, text);
}
if (is_set(action, A_RECOVER)) {
crm_trace("Action %.16llx (A_RECOVER) %s", A_RECOVER, text);
}
if (is_set(action, A_DC_RELEASE)) {
crm_trace("Action %.16llx (A_DC_RELEASE) %s", A_DC_RELEASE, text);
}
if (is_set(action, A_DC_RELEASED)) {
crm_trace("Action %.16llx (A_DC_RELEASED) %s", A_DC_RELEASED, text);
}
if (is_set(action, A_DC_TAKEOVER)) {
crm_trace("Action %.16llx (A_DC_TAKEOVER) %s", A_DC_TAKEOVER, text);
}
if (is_set(action, A_SHUTDOWN)) {
crm_trace("Action %.16llx (A_SHUTDOWN) %s", A_SHUTDOWN, text);
}
if (is_set(action, A_SHUTDOWN_REQ)) {
crm_trace("Action %.16llx (A_SHUTDOWN_REQ) %s", A_SHUTDOWN_REQ, text);
}
if (is_set(action, A_STOP)) {
crm_trace("Action %.16llx (A_STOP ) %s", A_STOP, text);
}
if (is_set(action, A_EXIT_0)) {
crm_trace("Action %.16llx (A_EXIT_0) %s", A_EXIT_0, text);
}
if (is_set(action, A_EXIT_1)) {
crm_trace("Action %.16llx (A_EXIT_1) %s", A_EXIT_1, text);
}
if (is_set(action, A_CCM_CONNECT)) {
crm_trace("Action %.16llx (A_CCM_CONNECT) %s", A_CCM_CONNECT, text);
}
if (is_set(action, A_CCM_DISCONNECT)) {
crm_trace("Action %.16llx (A_CCM_DISCONNECT) %s", A_CCM_DISCONNECT, text);
}
if (is_set(action, A_CIB_START)) {
crm_trace("Action %.16llx (A_CIB_START) %s", A_CIB_START, text);
}
if (is_set(action, A_CIB_STOP)) {
crm_trace("Action %.16llx (A_CIB_STOP) %s", A_CIB_STOP, text);
}
if (is_set(action, A_TE_INVOKE)) {
crm_trace("Action %.16llx (A_TE_INVOKE) %s", A_TE_INVOKE, text);
}
if (is_set(action, A_TE_START)) {
crm_trace("Action %.16llx (A_TE_START) %s", A_TE_START, text);
}
if (is_set(action, A_TE_STOP)) {
crm_trace("Action %.16llx (A_TE_STOP) %s", A_TE_STOP, text);
}
if (is_set(action, A_TE_CANCEL)) {
crm_trace("Action %.16llx (A_TE_CANCEL) %s", A_TE_CANCEL, text);
}
if (is_set(action, A_PE_INVOKE)) {
crm_trace("Action %.16llx (A_PE_INVOKE) %s", A_PE_INVOKE, text);
}
if (is_set(action, A_PE_START)) {
crm_trace("Action %.16llx (A_PE_START) %s", A_PE_START, text);
}
if (is_set(action, A_PE_STOP)) {
crm_trace("Action %.16llx (A_PE_STOP) %s", A_PE_STOP, text);
}
if (is_set(action, A_NODE_BLOCK)) {
crm_trace("Action %.16llx (A_NODE_BLOCK) %s", A_NODE_BLOCK, text);
}
if (is_set(action, A_UPDATE_NODESTATUS)) {
crm_trace("Action %.16llx (A_UPDATE_NODESTATUS) %s", A_UPDATE_NODESTATUS, text);
}
if (is_set(action, A_LOG)) {
crm_trace("Action %.16llx (A_LOG ) %s", A_LOG, text);
}
if (is_set(action, A_ERROR)) {
crm_trace("Action %.16llx (A_ERROR ) %s", A_ERROR, text);
}
if (is_set(action, A_WARN)) {
crm_trace("Action %.16llx (A_WARN ) %s", A_WARN, text);
}
}
gboolean
update_dc(xmlNode * msg)
{
char *last_dc = fsa_our_dc;
const char *dc_version = NULL;
const char *welcome_from = NULL;
if (msg != NULL) {
gboolean invalid = FALSE;
dc_version = crm_element_value(msg, F_CRM_VERSION);
welcome_from = crm_element_value(msg, F_CRM_HOST_FROM);
CRM_CHECK(dc_version != NULL, return FALSE);
CRM_CHECK(welcome_from != NULL, return FALSE);
if (AM_I_DC && safe_str_neq(welcome_from, fsa_our_uname)) {
invalid = TRUE;
} else if (fsa_our_dc && safe_str_neq(welcome_from, fsa_our_dc)) {
invalid = TRUE;
}
if (invalid) {
CRM_CHECK(fsa_our_dc != NULL, crm_err("We have no DC"));
if (AM_I_DC) {
crm_err("Not updating DC to %s (%s): we are also a DC", welcome_from, dc_version);
} else {
crm_warn("New DC %s is not %s", welcome_from, fsa_our_dc);
}
register_fsa_action(A_CL_JOIN_QUERY | A_DC_TIMER_START);
return FALSE;
}
}
free(fsa_our_dc_version);
fsa_our_dc_version = NULL;
fsa_our_dc = NULL; /* Free'd as last_dc */
if (welcome_from != NULL) {
fsa_our_dc = strdup(welcome_from);
}
if (dc_version != NULL) {
fsa_our_dc_version = strdup(dc_version);
}
if (safe_str_eq(fsa_our_dc, last_dc)) {
/* do nothing */
} else if (fsa_our_dc != NULL) {
crm_node_t *dc_node = crm_get_peer(0, fsa_our_dc);
crm_info("Set DC to %s (%s)", crm_str(fsa_our_dc), crm_str(fsa_our_dc_version));
crm_update_peer_expected(__FUNCTION__, dc_node, CRMD_JOINSTATE_MEMBER);
} else if (last_dc != NULL) {
crm_info("Unset DC. Was %s", crm_str(last_dc));
}
free(last_dc);
return TRUE;
}
#define STATUS_PATH_MAX 512
static void
erase_xpath_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
{
char *xpath = user_data;
do_crm_log_unlikely(rc == 0 ? LOG_DEBUG : LOG_NOTICE,
"Deletion of \"%s\": %s (rc=%d)", xpath, pcmk_strerror(rc), rc);
}
void
erase_status_tag(const char *uname, const char *tag, int options)
{
int rc = pcmk_ok;
char xpath[STATUS_PATH_MAX];
int cib_opts = cib_quorum_override | cib_xpath | options;
if (fsa_cib_conn && uname) {
snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", uname, tag);
crm_info("Deleting xpath: %s", xpath);
rc = fsa_cib_conn->cmds->delete(fsa_cib_conn, xpath, NULL, cib_opts);
fsa_register_cib_callback(rc, FALSE, strdup(xpath), erase_xpath_callback);
}
}
crm_ipc_t *attrd_ipc = NULL;
#if !HAVE_ATOMIC_ATTRD
static int
update_without_attrd(const char * host_uuid, const char * name, const char * value,
const char * user_name, gboolean is_remote_node, char command)
{
int call_opt = cib_none;
if (fsa_cib_conn == NULL) {
return -1;
}
call_opt = crmd_cib_smart_opt();
if (command == 'C') {
erase_status_tag(host_uuid, XML_TAG_TRANSIENT_NODEATTRS, call_opt);
return pcmk_ok;
}
crm_trace("updating status for host_uuid %s, %s=%s", host_uuid, name ? name : "<null>", value ? value : "<null>");
if (value) {
return update_attr_delegate(fsa_cib_conn, call_opt, XML_CIB_TAG_STATUS, host_uuid, NULL, NULL,
NULL, name, value, FALSE, user_name, is_remote_node ? "remote" : NULL);
} else {
return delete_attr_delegate(fsa_cib_conn, call_opt, XML_CIB_TAG_STATUS, host_uuid, NULL, NULL,
NULL, name, NULL, FALSE, user_name);
}
}
#endif
+static void
+log_attrd_error(const char *host, const char *name, const char *value,
+ gboolean is_remote, char command, int rc)
+{
+ const char *display_command; /* for commands without name/value */
+ const char *node_type = (is_remote? "Pacemaker Remote" : "cluster");
+ gboolean shutting_down = is_set(fsa_input_register, R_SHUTDOWN);
+ const char *when = (shutting_down? " at shutdown" : "");
+
+ switch (command) {
+ case 'R':
+ display_command = "refresh";
+ break;
+ case 'C':
+ display_command = "purge";
+ break;
+ default:
+ display_command = NULL;
+ }
+
+ if (display_command) {
+ crm_err("Could not request %s of %s node %s%s: %s (%d)",
+ display_command, node_type, host, when, pcmk_strerror(rc), rc);
+ } else {
+ crm_err("Could not request update of %s=%s for %s node %s%s: %s (%d)",
+ name, value, node_type, host, when, pcmk_strerror(rc), rc);
+ }
+
+ /* If we can't request shutdown via attribute, fast-track it */
+ if ((command == 'U') && shutting_down) {
+ register_fsa_input(C_FSA_INTERNAL, I_FAIL, NULL);
+ }
+}
+
static void
update_attrd_helper(const char *host, const char *name, const char *value, const char *user_name, gboolean is_remote_node, char command)
{
gboolean rc;
int max = 5;
#if !HAVE_ATOMIC_ATTRD
/* Talk directly to cib for remote nodes if it's legacy attrd */
if (is_remote_node) {
+ int rc;
+
/* host is required for updating a remote node */
CRM_CHECK(host != NULL, return;);
/* remote node uname and uuid are equal */
- if (update_without_attrd(host, name, value, user_name, is_remote_node, command) < pcmk_ok) {
- crm_err("Could not update attribute %s for remote-node %s", name, host);
+ rc = update_without_attrd(host, name, value, user_name, is_remote_node,
+ command);
+ if (rc < pcmk_ok) {
+ log_attrd_error(host, name, value, is_remote_node, command, rc);
}
return;
}
#endif
if (attrd_ipc == NULL) {
attrd_ipc = crm_ipc_new(T_ATTRD, 0);
}
do {
if (crm_ipc_connected(attrd_ipc) == FALSE) {
crm_ipc_close(attrd_ipc);
crm_info("Connecting to attribute manager ... %d retries remaining", max);
if (crm_ipc_connect(attrd_ipc) == FALSE) {
crm_perror(LOG_INFO, "Connection to attribute manager failed");
}
}
rc = attrd_update_delegate(attrd_ipc, command, host, name, value, XML_CIB_TAG_STATUS, NULL,
NULL, user_name, is_remote_node?attrd_opt_remote:attrd_opt_none);
if (rc == pcmk_ok) {
break;
} else if (rc != -EAGAIN && rc != -EALREADY) {
crm_info("Disconnecting from attribute manager: %s (%d)", pcmk_strerror(rc), rc);
crm_ipc_close(attrd_ipc);
}
sleep(5 - max);
} while (max--);
if (rc != pcmk_ok) {
- if (name) {
- crm_err("Could not send attrd %s update%s: %s (%d)",
- name, is_set(fsa_input_register, R_SHUTDOWN) ? " at shutdown" : "",
- pcmk_strerror(rc), rc);
-
- } else {
- crm_err("Could not send attrd refresh%s: %s (%d)",
- is_set(fsa_input_register, R_SHUTDOWN) ? " at shutdown" : "",
- pcmk_strerror(rc), rc);
- }
-
- if (is_set(fsa_input_register, R_SHUTDOWN)) {
- register_fsa_input(C_FSA_INTERNAL, I_FAIL, NULL);
- }
+ log_attrd_error(host, name, value, is_remote_node, command, rc);
}
}
void
update_attrd(const char *host, const char *name, const char *value, const char *user_name, gboolean is_remote_node)
{
update_attrd_helper(host, name, value, user_name, is_remote_node, 'U');
}
void
update_attrd_remote_node_removed(const char *host, const char *user_name)
{
- crm_trace("telling attrd to clear attributes for remote host %s", host);
+ crm_trace("Asking attrd to purge Pacemaker Remote node %s", host);
update_attrd_helper(host, NULL, NULL, user_name, TRUE, 'C');
}
void crmd_peer_down(crm_node_t *peer, bool full)
{
if(full && peer->state == NULL) {
crm_update_peer_state(__FUNCTION__, peer, CRM_NODE_LOST, 0);
crm_update_peer_proc(__FUNCTION__, peer, crm_proc_none, NULL);
}
crm_update_peer_join(__FUNCTION__, peer, crm_join_none);
crm_update_peer_expected(__FUNCTION__, peer, CRMD_JOINSTATE_DOWN);
}
diff --git a/include/crm/common/internal.h b/include/crm/common/internal.h
index c699596896..cef01851ba 100644
--- a/include/crm/common/internal.h
+++ b/include/crm/common/internal.h
@@ -1,73 +1,79 @@
/*
* Copyright (C) 2015
* Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*!
* \file
* \brief internal common utilities
* \ingroup core
* \note Public APIs are declared in util.h
*/
#ifndef CRM_COMMON_INTERNAL__H
#define CRM_COMMON_INTERNAL__H
#include <glib.h> /* for gboolean */
#include <dirent.h> /* for struct dirent */
#include <sys/types.h> /* for uid_t and gid_t */
/* internal I/O utilities (from io.c) */
char *generate_series_filename(const char *directory, const char *series, int sequence,
gboolean bzip);
int get_last_sequence(const char *directory, const char *series);
void write_last_sequence(const char *directory, const char *series, int sequence, int max);
int crm_chown_last_sequence(const char *directory, const char *series, uid_t uid, gid_t gid);
gboolean crm_is_writable(const char *dir, const char *file, const char *user, const char *group,
gboolean need_both);
void crm_sync_directory(const char *name);
char *crm_read_contents(const char *filename);
int crm_write_sync(int fd, const char *contents);
/* internal procfs utilities (from procfs.c) */
int crm_procfs_process_info(struct dirent *entry, char *name, int *pid);
int crm_procfs_pid_of(const char *name);
+/* internal XML schema functions (from xml.c) */
+
+void crm_schema_init(void);
+void crm_schema_cleanup(void);
+
+
/* internal generic string functions (from strings.c) */
char *crm_concat(const char *prefix, const char *suffix, char join);
void g_hash_destroy_str(gpointer data);
long long crm_int_helper(const char *text, char **end_text);
gboolean crm_ends_with(const char *s, const char *match);
char *add_list_element(char *list, const char *value);
bool crm_compress_string(const char *data, int length, int max, char **result,
unsigned int *result_len);
static inline int
crm_strlen_zero(const char *s)
{
return !s || *s == '\0';
}
#endif /* CRM_COMMON_INTERNAL__H */
diff --git a/include/crm/common/xml.h b/include/crm/common/xml.h
index 9e8bbb0428..3c697aace6 100644
--- a/include/crm/common/xml.h
+++ b/include/crm/common/xml.h
@@ -1,318 +1,318 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CRM_COMMON_XML__H
# define CRM_COMMON_XML__H
/**
* \file
* \brief Wrappers for and extensions to libxml2
* \ingroup core
*/
# include <stdio.h>
# include <sys/types.h>
# include <unistd.h>
# include <stdlib.h>
# include <errno.h>
# include <fcntl.h>
# include <crm/crm.h>
# include <libxml/tree.h>
# include <libxml/xpath.h>
/* Compression costs a LOT, don't do it unless we're hitting message limits
*
* For now, use 256k as the lower size, which means we can have 4 big data fields
* before we hit heartbeat's message limit
*
* The previous limit was 10k, compressing 184 of 1071 messages accounted for 23%
* of the total CPU used by the cib
*/
# define CRM_BZ2_BLOCKS 4
# define CRM_BZ2_WORK 20
# define CRM_BZ2_THRESHOLD 128 * 1024
# define XML_PARANOIA_CHECKS 0
gboolean add_message_xml(xmlNode * msg, const char *field, xmlNode * xml);
xmlNode *get_message_xml(xmlNode * msg, const char *field);
GHashTable *xml2list(xmlNode * parent);
void hash2nvpair(gpointer key, gpointer value, gpointer user_data);
void hash2field(gpointer key, gpointer value, gpointer user_data);
void hash2metafield(gpointer key, gpointer value, gpointer user_data);
void hash2smartfield(gpointer key, gpointer value, gpointer user_data);
xmlDoc *getDocPtr(xmlNode * node);
/*
* Replacement function for xmlCopyPropList which at the very least,
* doesn't work the way *I* would expect it to.
*
* Copy all the attributes/properties from src into target.
*
* Not recursive, does not return anything.
*
*/
void copy_in_properties(xmlNode * target, xmlNode * src);
void expand_plus_plus(xmlNode * target, const char *name, const char *value);
void fix_plus_plus_recursive(xmlNode * target);
/*
* Create a node named "name" as a child of "parent"
* If parent is NULL, creates an unconnected node.
*
* Returns the created node
*
*/
xmlNode *create_xml_node(xmlNode * parent, const char *name);
/*
* Make a copy of name and value and use the copied memory to create
* an attribute for node.
*
* If node, name or value are NULL, nothing is done.
*
* If name or value are an empty string, nothing is done.
*
* Returns FALSE on failure and TRUE on success.
*
*/
const char *crm_xml_add(xmlNode * node, const char *name, const char *value);
const char *crm_xml_replace(xmlNode * node, const char *name, const char *value);
const char *crm_xml_add_int(xmlNode * node, const char *name, int value);
/*!
* \brief Add a boolean attribute to an XML object
*
* Add an attribute with the value XML_BOOLEAN_TRUE or XML_BOOLEAN_FALSE
* as appropriate to an XML object.
*
* \param[in/out] node XML object to add attribute to
* \param[in] name Name of attribute to add
* \param[in] value Boolean whose value will be tested
*
* \return Pointer to newly created XML attribute's content, or NULL on error
*/
static inline const char *
crm_xml_add_boolean(xmlNode *node, const char *name, gboolean value)
{
return crm_xml_add(node, name, (value? "true" : "false"));
}
/*
* Unlink the node and set its doc pointer to NULL so free_xml()
* will act appropriately
*/
void unlink_xml_node(xmlNode * node);
/*
*
*/
void purge_diff_markers(xmlNode * a_node);
/*
* Returns a deep copy of src_node
*
*/
xmlNode *copy_xml(xmlNode * src_node);
/*
* Add a copy of xml_node to new_parent
*/
xmlNode *add_node_copy(xmlNode * new_parent, xmlNode * xml_node);
int add_node_nocopy(xmlNode * parent, const char *name, xmlNode * child);
/*
* XML I/O Functions
*
* Whitespace between tags is discarded.
*/
xmlNode *filename2xml(const char *filename);
xmlNode *stdin2xml(void);
xmlNode *string2xml(const char *input);
int write_xml_fd(xmlNode * xml_node, const char *filename, int fd, gboolean compress);
int write_xml_file(xmlNode * xml_node, const char *filename, gboolean compress);
char *dump_xml_formatted(xmlNode * msg);
/* Also dump the text node with xml_log_option_text enabled */
char *dump_xml_formatted_with_text(xmlNode * msg);
char *dump_xml_unformatted(xmlNode * msg);
/*
* Diff related Functions
*/
xmlNode *diff_xml_object(xmlNode * left, xmlNode * right, gboolean suppress);
xmlNode *subtract_xml_object(xmlNode * parent, xmlNode * left, xmlNode * right,
gboolean full, gboolean * changed, const char *marker);
gboolean can_prune_leaf(xmlNode * xml_node);
void print_xml_diff(FILE * where, xmlNode * diff);
gboolean apply_xml_diff(xmlNode * old, xmlNode * diff, xmlNode ** new);
/*
* Searching & Modifying
*/
xmlNode *find_xml_node(xmlNode * cib, const char *node_path, gboolean must_find);
xmlNode *find_entity(xmlNode * parent, const char *node_name, const char *id);
void xml_remove_prop(xmlNode * obj, const char *name);
gboolean replace_xml_child(xmlNode * parent, xmlNode * child, xmlNode * update,
gboolean delete_only);
gboolean update_xml_child(xmlNode * child, xmlNode * to_update);
int find_xml_children(xmlNode ** children, xmlNode * root,
const char *tag, const char *field, const char *value,
gboolean search_matches);
int crm_element_value_int(xmlNode * data, const char *name, int *dest);
char *crm_element_value_copy(xmlNode * data, const char *name);
int crm_element_value_const_int(const xmlNode * data, const char *name, int *dest);
const char *crm_element_value_const(const xmlNode * data, const char *name);
xmlNode *get_xpath_object(const char *xpath, xmlNode * xml_obj, int error_level);
xmlNode *get_xpath_object_relative(const char *xpath, xmlNode * xml_obj, int error_level);
static inline const char *
crm_element_name(xmlNode *xml)
{
return xml? (const char *)(xml->name) : NULL;
}
const char *crm_element_value(xmlNode * data, const char *name);
void xml_validate(const xmlNode * root);
gboolean xml_has_children(const xmlNode * root);
char *calculate_on_disk_digest(xmlNode * local_cib);
char *calculate_operation_digest(xmlNode * local_cib, const char *version);
char *calculate_xml_versioned_digest(xmlNode * input, gboolean sort, gboolean do_filter,
const char *version);
+/* schema-related functions (from schemas.c) */
gboolean validate_xml(xmlNode * xml_blob, const char *validation, gboolean to_logs);
gboolean validate_xml_verbose(xmlNode * xml_blob);
int update_validation(xmlNode ** xml_blob, int *best, int max, gboolean transform, gboolean to_logs);
int get_schema_version(const char *name);
const char *get_schema_name(int version);
+const char *xml_latest_schema(void);
+gboolean cli_config_update(xmlNode ** xml, int *best_version, gboolean to_logs);
void crm_xml_init(void);
void crm_xml_cleanup(void);
static inline xmlNode *
__xml_first_child(xmlNode * parent)
{
xmlNode *child = NULL;
if (parent) {
child = parent->children;
while (child && child->type == XML_TEXT_NODE) {
child = child->next;
}
}
return child;
}
static inline xmlNode *
__xml_next(xmlNode * child)
{
if (child) {
child = child->next;
while (child && child->type == XML_TEXT_NODE) {
child = child->next;
}
}
return child;
}
static inline xmlNode *
__xml_next_element(xmlNode * child)
{
if (child) {
child = child->next;
while (child && child->type != XML_ELEMENT_NODE) {
child = child->next;
}
}
return child;
}
void free_xml(xmlNode * child);
xmlNode *first_named_child(xmlNode * parent, const char *name);
xmlNode *sorted_xml(xmlNode * input, xmlNode * parent, gboolean recursive);
xmlXPathObjectPtr xpath_search(xmlNode * xml_top, const char *path);
void crm_foreach_xpath_result(xmlNode *xml, const char *xpath,
void (*helper)(xmlNode*, void*), void *user_data);
-gboolean cli_config_update(xmlNode ** xml, int *best_version, gboolean to_logs);
xmlNode *expand_idref(xmlNode * input, xmlNode * top);
void freeXpathObject(xmlXPathObjectPtr xpathObj);
xmlNode *getXpathResult(xmlXPathObjectPtr xpathObj, int index);
void dedupXpathResults(xmlXPathObjectPtr xpathObj);
static inline int numXpathResults(xmlXPathObjectPtr xpathObj)
{
if(xpathObj == NULL || xpathObj->nodesetval == NULL) {
return 0;
}
return xpathObj->nodesetval->nodeNr;
}
-const char *xml_latest_schema(void);
-
bool xml_acl_enabled(xmlNode *xml);
void xml_acl_disable(xmlNode *xml);
bool xml_acl_denied(xmlNode *xml); /* Part or all of a change was rejected */
bool xml_acl_filtered_copy(const char *user, xmlNode* acl_source, xmlNode *xml, xmlNode ** result);
bool xml_tracking_changes(xmlNode * xml);
bool xml_document_dirty(xmlNode *xml);
void xml_track_changes(xmlNode * xml, const char *user, xmlNode *acl_source, bool enforce_acls);
void xml_calculate_changes(xmlNode * old, xmlNode * new); /* For comparing two documents after the fact */
void xml_accept_changes(xmlNode * xml);
void xml_log_changes(uint8_t level, const char *function, xmlNode *xml);
void xml_log_patchset(uint8_t level, const char *function, xmlNode *xml);
bool xml_patch_versions(xmlNode *patchset, int add[3], int del[3]);
xmlNode *xml_create_patchset(
int format, xmlNode *source, xmlNode *target, bool *config, bool manage_version);
int xml_apply_patchset(xmlNode *xml, xmlNode *patchset, bool check_version);
void patchset_process_digest(xmlNode *patch, xmlNode *source, xmlNode *target, bool with_digest);
void save_xml_to_file(xmlNode * xml, const char *desc, const char *filename);
char *xml_get_path(xmlNode *xml);
char * crm_xml_escape(const char *text);
#endif
diff --git a/lib/common/Makefile.am b/lib/common/Makefile.am
index efcbb977c4..03526b7ff1 100644
--- a/lib/common/Makefile.am
+++ b/lib/common/Makefile.am
@@ -1,50 +1,50 @@
#
# Copyright (C) 2004 Andrew Beekhof
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
include $(top_srcdir)/Makefile.common
AM_CPPFLAGS += -I$(top_builddir)/lib/gnu -I$(top_srcdir)/lib/gnu \
-DSBINDIR=\"$(sbindir)\"
## libraries
lib_LTLIBRARIES = libcrmcommon.la
# Can't use -Wcast-qual here because glib insists on pretending things are const
# when they're not and thus we need the crm_element_value_const() hack
# s390 needs -fPIC
# s390-suse-linux/bin/ld: .libs/ipc.o: relocation R_390_PC32DBL against `__stack_chk_fail@@GLIBC_2.4' can not be used when making a shared object; recompile with -fPIC
CFLAGS = $(CFLAGS_COPY:-Wcast-qual=) -fPIC
libcrmcommon_la_LDFLAGS = -version-info 9:0:6
libcrmcommon_la_CFLAGS = $(CFLAGS_HARDENED_LIB)
libcrmcommon_la_LDFLAGS += $(LDFLAGS_HARDENED_LIB)
libcrmcommon_la_LIBADD = @LIBADD_DL@ $(GNUTLSLIBS) -lm
libcrmcommon_la_SOURCES = compat.c digest.c ipc.c io.c procfs.c utils.c xml.c \
iso8601.c remote.c mainloop.c logging.c watchdog.c \
- strings.c xpath.c
+ schemas.c strings.c xpath.c
if BUILD_CIBSECRETS
libcrmcommon_la_SOURCES += cib_secrets.c
endif
libcrmcommon_la_SOURCES += $(top_builddir)/lib/gnu/md5.c
clean-generic:
rm -f *.log *.debug *.xml *~
diff --git a/lib/common/schemas.c b/lib/common/schemas.c
new file mode 100644
index 0000000000..a27aa92224
--- /dev/null
+++ b/lib/common/schemas.c
@@ -0,0 +1,927 @@
+/*
+ * Copyright (C) 2004-2016 Andrew Beekhof <andrew@beekhof.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <crm_internal.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <dirent.h>
+#include <errno.h>
+#include <math.h>
+#include <sys/stat.h>
+
+#if HAVE_LIBXML2
+# include <libxml/relaxng.h>
+#endif
+
+#if HAVE_LIBXSLT
+# include <libxslt/xslt.h>
+# include <libxslt/transform.h>
+#endif
+
+#include <crm/msg_xml.h>
+#include <crm/common/xml.h>
+
+typedef struct {
+ xmlRelaxNGPtr rng;
+ xmlRelaxNGValidCtxtPtr valid;
+ xmlRelaxNGParserCtxtPtr parser;
+} relaxng_ctx_cache_t;
+
+struct schema_s {
+ int type;
+ float version;
+ char *name;
+ char *location;
+ char *transform;
+ int after_transform;
+ void *cache;
+};
+
+static struct schema_s *known_schemas = NULL;
+static int xml_schema_max = 0;
+
+void
+xml_log(int priority, const char *fmt, ...)
+G_GNUC_PRINTF(2, 3);
+
+void
+xml_log(int priority, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ qb_log_from_external_source_va(__FUNCTION__, __FILE__, fmt, priority,
+ __LINE__, 0, ap);
+ va_end(ap);
+}
+
+static int
+xml_latest_schema_index(void)
+{
+ return xml_schema_max - 4;
+}
+
+static int
+xml_minimum_schema_index(void)
+{
+ static int best = 0;
+ if (best == 0) {
+ int lpc = 0;
+ float target = 0.0;
+
+ best = xml_latest_schema_index();
+ target = floor(known_schemas[best].version);
+
+ for (lpc = best; lpc > 0; lpc--) {
+ if (known_schemas[lpc].version < target) {
+ return best;
+ } else {
+ best = lpc;
+ }
+ }
+ best = xml_latest_schema_index();
+ }
+ return best;
+}
+
+const char *
+xml_latest_schema(void)
+{
+ return get_schema_name(xml_latest_schema_index());
+}
+
+static const char *
+get_schema_root(void)
+{
+ static const char *base = NULL;
+
+ if (base == NULL) {
+ base = getenv("PCMK_schema_directory");
+ }
+ if (base == NULL || strlen(base) == 0) {
+ base = CRM_DTD_DIRECTORY;
+ }
+ return base;
+}
+
+static char *
+get_schema_path(const char *name, const char *file)
+{
+ const char *base = get_schema_root();
+
+ if (file) {
+ return crm_strdup_printf("%s/%s", base, file);
+ }
+ return crm_strdup_printf("%s/%s.rng", base, name);
+}
+
+static int
+schema_filter(const struct dirent *a)
+{
+ int rc = 0;
+ float version = 0;
+
+ if (strstr(a->d_name, "pacemaker-") != a->d_name) {
+ /* crm_trace("%s - wrong prefix", a->d_name); */
+
+ } else if (!crm_ends_with(a->d_name, ".rng")) {
+ /* crm_trace("%s - wrong suffix", a->d_name); */
+
+ } else if (sscanf(a->d_name, "pacemaker-%f.rng", &version) == 0) {
+ /* crm_trace("%s - wrong format", a->d_name); */
+
+ } else if (strcmp(a->d_name, "pacemaker-1.1.rng") == 0) {
+ /* "-1.1" was used for what later became "-next" */
+ /* crm_trace("%s - hack", a->d_name); */
+
+ } else {
+ /* crm_debug("%s - candidate", a->d_name); */
+ rc = 1;
+ }
+
+ return rc;
+}
+
+static int
+schema_sort(const struct dirent **a, const struct dirent **b)
+{
+ int rc = 0;
+ float a_version = 0.0;
+ float b_version = 0.0;
+
+ sscanf(a[0]->d_name, "pacemaker-%f.rng", &a_version);
+ sscanf(b[0]->d_name, "pacemaker-%f.rng", &b_version);
+
+ if (a_version > b_version) {
+ rc = 1;
+ } else if(a_version < b_version) {
+ rc = -1;
+ }
+
+ /* crm_trace("%s (%f) vs. %s (%f) : %d", a[0]->d_name, a_version, b[0]->d_name, b_version, rc); */
+ return rc;
+}
+
+static void
+__xml_schema_add(int type, float version, const char *name,
+ const char *location, const char *transform,
+ int after_transform)
+{
+ int last = xml_schema_max;
+
+ xml_schema_max++;
+ known_schemas = realloc_safe(known_schemas,
+ xml_schema_max * sizeof(struct schema_s));
+ CRM_ASSERT(known_schemas != NULL);
+ memset(known_schemas+last, 0, sizeof(struct schema_s));
+ known_schemas[last].type = type;
+ known_schemas[last].after_transform = after_transform;
+
+ if (version > 0.0) {
+ known_schemas[last].version = version;
+ known_schemas[last].name = crm_strdup_printf("pacemaker-%.1f", version);
+ known_schemas[last].location = crm_strdup_printf("%s.rng", known_schemas[last].name);
+
+ } else {
+ char dummy[1024];
+ CRM_ASSERT(name);
+ CRM_ASSERT(location);
+ sscanf(name, "%[^-]-%f", dummy, &version);
+ known_schemas[last].version = version;
+ known_schemas[last].name = strdup(name);
+ known_schemas[last].location = strdup(location);
+ }
+
+ if (transform) {
+ known_schemas[last].transform = strdup(transform);
+ }
+ if (after_transform == 0) {
+ after_transform = xml_schema_max; /* upgrade is a one-way */
+ }
+ known_schemas[last].after_transform = after_transform;
+
+ if (known_schemas[last].after_transform < 0) {
+ crm_debug("Added supported schema %d: %s (%s)",
+ last, known_schemas[last].name, known_schemas[last].location);
+
+ } else if (known_schemas[last].transform) {
+ crm_debug("Added supported schema %d: %s (%s upgrades to %d with %s)",
+ last, known_schemas[last].name, known_schemas[last].location,
+ known_schemas[last].after_transform,
+ known_schemas[last].transform);
+
+ } else {
+ crm_debug("Added supported schema %d: %s (%s upgrades to %d)",
+ last, known_schemas[last].name, known_schemas[last].location,
+ known_schemas[last].after_transform);
+ }
+}
+
+/*!
+ * \internal
+ * \brief Load pacemaker schemas into cache
+ */
+void
+crm_schema_init(void)
+{
+ int lpc, max;
+ const char *base = get_schema_root();
+ struct dirent **namelist = NULL;
+
+ max = scandir(base, &namelist, schema_filter, schema_sort);
+ __xml_schema_add(1, 0.0, "pacemaker-0.6", "crm.dtd", "upgrade06.xsl", 3);
+ __xml_schema_add(1, 0.0, "transitional-0.6", "crm-transitional.dtd",
+ "upgrade06.xsl", 3);
+ __xml_schema_add(2, 0.0, "pacemaker-0.7", "pacemaker-1.0.rng", NULL, 0);
+
+ if (max < 0) {
+ crm_notice("scandir(%s) failed: %s (%d)", base, strerror(errno), errno);
+
+ } else {
+ for (lpc = 0; lpc < max; lpc++) {
+ int next = 0;
+ float version = 0.0;
+ char *transform = NULL;
+
+ sscanf(namelist[lpc]->d_name, "pacemaker-%f.rng", &version);
+ if ((lpc + 1) < max) {
+ float next_version = 0.0;
+
+ sscanf(namelist[lpc+1]->d_name, "pacemaker-%f.rng",
+ &next_version);
+
+ if (floor(version) < floor(next_version)) {
+ struct stat s;
+ char *xslt = NULL;
+
+ transform = crm_strdup_printf("upgrade-%.1f.xsl", version);
+ xslt = get_schema_path(NULL, transform);
+ if (stat(xslt, &s) != 0) {
+ crm_err("Transform %s not found", xslt);
+ free(xslt);
+ __xml_schema_add(2, version, NULL, NULL, NULL, -1);
+ break;
+ } else {
+ free(xslt);
+ }
+ }
+
+ } else {
+ next = -1;
+ }
+ __xml_schema_add(2, version, NULL, NULL, transform, next);
+ free(namelist[lpc]);
+ free(transform);
+ }
+ }
+
+ /* 1.1 was the old name for -next */
+ __xml_schema_add(2, 0.0, "pacemaker-1.1", "pacemaker-next.rng", NULL, 0);
+ __xml_schema_add(2, 0.0, "pacemaker-next", "pacemaker-next.rng", NULL, -1);
+ __xml_schema_add(0, 0.0, "none", "N/A", NULL, -1);
+ free(namelist);
+}
+
+static gboolean
+validate_with_dtd(xmlDocPtr doc, gboolean to_logs, const char *dtd_file)
+{
+ gboolean valid = TRUE;
+
+ xmlDtdPtr dtd = NULL;
+ xmlValidCtxtPtr cvp = NULL;
+
+ CRM_CHECK(doc != NULL, return FALSE);
+ CRM_CHECK(dtd_file != NULL, return FALSE);
+
+ dtd = xmlParseDTD(NULL, (const xmlChar *)dtd_file);
+ if (dtd == NULL) {
+ crm_err("Could not locate/parse DTD: %s", dtd_file);
+ return TRUE;
+ }
+
+ cvp = xmlNewValidCtxt();
+ if (cvp) {
+ if (to_logs) {
+ cvp->userData = (void *)LOG_ERR;
+ cvp->error = (xmlValidityErrorFunc) xml_log;
+ cvp->warning = (xmlValidityWarningFunc) xml_log;
+ } else {
+ cvp->userData = (void *)stderr;
+ cvp->error = (xmlValidityErrorFunc) fprintf;
+ cvp->warning = (xmlValidityWarningFunc) fprintf;
+ }
+
+ if (!xmlValidateDtd(cvp, doc, dtd)) {
+ valid = FALSE;
+ }
+ xmlFreeValidCtxt(cvp);
+
+ } else {
+ crm_err("Internal error: No valid context");
+ }
+
+ xmlFreeDtd(dtd);
+ return valid;
+}
+
+#if 0
+static void
+relaxng_invalid_stderr(void *userData, xmlErrorPtr error)
+{
+ /*
+ Structure xmlError
+ struct _xmlError {
+ int domain : What part of the library raised this er
+ int code : The error code, e.g. an xmlParserError
+ char * message : human-readable informative error messag
+ xmlErrorLevel level : how consequent is the error
+ char * file : the filename
+ int line : the line number if available
+ char * str1 : extra string information
+ char * str2 : extra string information
+ char * str3 : extra string information
+ int int1 : extra number information
+ int int2 : column number of the error or 0 if N/A
+ void * ctxt : the parser context if available
+ void * node : the node in the tree
+ }
+ */
+ crm_err("Structured error: line=%d, level=%d %s", error->line, error->level, error->message);
+}
+#endif
+
+static gboolean
+validate_with_relaxng(xmlDocPtr doc, gboolean to_logs, const char *relaxng_file,
+ relaxng_ctx_cache_t **cached_ctx)
+{
+ int rc = 0;
+ gboolean valid = TRUE;
+ relaxng_ctx_cache_t *ctx = NULL;
+
+ CRM_CHECK(doc != NULL, return FALSE);
+ CRM_CHECK(relaxng_file != NULL, return FALSE);
+
+ if (cached_ctx && *cached_ctx) {
+ ctx = *cached_ctx;
+
+ } else {
+ crm_info("Creating RNG parser context");
+ ctx = calloc(1, sizeof(relaxng_ctx_cache_t));
+
+ xmlLoadExtDtdDefaultValue = 1;
+ ctx->parser = xmlRelaxNGNewParserCtxt(relaxng_file);
+ CRM_CHECK(ctx->parser != NULL, goto cleanup);
+
+ if (to_logs) {
+ xmlRelaxNGSetParserErrors(ctx->parser,
+ (xmlRelaxNGValidityErrorFunc) xml_log,
+ (xmlRelaxNGValidityWarningFunc) xml_log,
+ GUINT_TO_POINTER(LOG_ERR));
+ } else {
+ xmlRelaxNGSetParserErrors(ctx->parser,
+ (xmlRelaxNGValidityErrorFunc) fprintf,
+ (xmlRelaxNGValidityWarningFunc) fprintf,
+ stderr);
+ }
+
+ ctx->rng = xmlRelaxNGParse(ctx->parser);
+ CRM_CHECK(ctx->rng != NULL,
+ crm_err("Could not find/parse %s", relaxng_file);
+ goto cleanup);
+
+ ctx->valid = xmlRelaxNGNewValidCtxt(ctx->rng);
+ CRM_CHECK(ctx->valid != NULL, goto cleanup);
+
+ if (to_logs) {
+ xmlRelaxNGSetValidErrors(ctx->valid,
+ (xmlRelaxNGValidityErrorFunc) xml_log,
+ (xmlRelaxNGValidityWarningFunc) xml_log,
+ GUINT_TO_POINTER(LOG_ERR));
+ } else {
+ xmlRelaxNGSetValidErrors(ctx->valid,
+ (xmlRelaxNGValidityErrorFunc) fprintf,
+ (xmlRelaxNGValidityWarningFunc) fprintf,
+ stderr);
+ }
+ }
+
+ /* xmlRelaxNGSetValidStructuredErrors( */
+ /* valid, relaxng_invalid_stderr, valid); */
+
+ xmlLineNumbersDefault(1);
+ rc = xmlRelaxNGValidateDoc(ctx->valid, doc);
+ if (rc > 0) {
+ valid = FALSE;
+
+ } else if (rc < 0) {
+ crm_err("Internal libxml error during validation\n");
+ }
+
+ cleanup:
+
+ if (cached_ctx) {
+ *cached_ctx = ctx;
+
+ } else {
+ if (ctx->parser != NULL) {
+ xmlRelaxNGFreeParserCtxt(ctx->parser);
+ }
+ if (ctx->valid != NULL) {
+ xmlRelaxNGFreeValidCtxt(ctx->valid);
+ }
+ if (ctx->rng != NULL) {
+ xmlRelaxNGFree(ctx->rng);
+ }
+ free(ctx);
+ }
+
+ return valid;
+}
+
+/*!
+ * \internal
+ * \brief Clean up global memory associated with XML schemas
+ */
+void
+crm_schema_cleanup(void)
+{
+ int lpc;
+ relaxng_ctx_cache_t *ctx = NULL;
+
+ for (lpc = 0; lpc < xml_schema_max; lpc++) {
+
+ switch (known_schemas[lpc].type) {
+ case 0:
+ /* None */
+ break;
+ case 1:
+ /* DTD - Not cached */
+ break;
+ case 2:
+ /* RNG - Cached */
+ ctx = (relaxng_ctx_cache_t *) known_schemas[lpc].cache;
+ if (ctx == NULL) {
+ break;
+ }
+ if (ctx->parser != NULL) {
+ xmlRelaxNGFreeParserCtxt(ctx->parser);
+ }
+ if (ctx->valid != NULL) {
+ xmlRelaxNGFreeValidCtxt(ctx->valid);
+ }
+ if (ctx->rng != NULL) {
+ xmlRelaxNGFree(ctx->rng);
+ }
+ free(ctx);
+ known_schemas[lpc].cache = NULL;
+ break;
+ default:
+ break;
+ }
+ free(known_schemas[lpc].name);
+ free(known_schemas[lpc].location);
+ free(known_schemas[lpc].transform);
+ }
+ free(known_schemas);
+ known_schemas = NULL;
+}
+
+static gboolean
+validate_with(xmlNode *xml, int method, gboolean to_logs)
+{
+ xmlDocPtr doc = NULL;
+ gboolean valid = FALSE;
+ int type = 0;
+ char *file = NULL;
+
+ if (method < 0) {
+ return FALSE;
+ }
+
+ type = known_schemas[method].type;
+ if(type == 0) {
+ return TRUE;
+ }
+
+ CRM_CHECK(xml != NULL, return FALSE);
+ doc = getDocPtr(xml);
+ file = get_schema_path(known_schemas[method].name,
+ known_schemas[method].location);
+
+ crm_trace("Validating with: %s (type=%d)", crm_str(file), type);
+ switch (type) {
+ case 1:
+ valid = validate_with_dtd(doc, to_logs, file);
+ break;
+ case 2:
+ valid =
+ validate_with_relaxng(doc, to_logs, file,
+ (relaxng_ctx_cache_t **) & (known_schemas[method].cache));
+ break;
+ default:
+ crm_err("Unknown validator type: %d", type);
+ break;
+ }
+
+ free(file);
+ return valid;
+}
+
+static void
+dump_file(const char *filename)
+{
+
+ FILE *fp = NULL;
+ int ch, line = 0;
+
+ CRM_CHECK(filename != NULL, return);
+
+ fp = fopen(filename, "r");
+ CRM_CHECK(fp != NULL, return);
+
+ fprintf(stderr, "%4d ", ++line);
+ do {
+ ch = getc(fp);
+ if (ch == EOF) {
+ putc('\n', stderr);
+ break;
+ } else if (ch == '\n') {
+ fprintf(stderr, "\n%4d ", ++line);
+ } else {
+ putc(ch, stderr);
+ }
+ } while (1);
+
+ fclose(fp);
+}
+
+gboolean
+validate_xml_verbose(xmlNode *xml_blob)
+{
+ int fd = 0;
+ xmlDoc *doc = NULL;
+ xmlNode *xml = NULL;
+ gboolean rc = FALSE;
+ char *filename = strdup(CRM_STATE_DIR "/cib-invalid.XXXXXX");
+
+ umask(S_IWGRP | S_IWOTH | S_IROTH);
+ fd = mkstemp(filename);
+ write_xml_fd(xml_blob, filename, fd, FALSE);
+
+ dump_file(filename);
+
+ doc = xmlParseFile(filename);
+ xml = xmlDocGetRootElement(doc);
+ rc = validate_xml(xml, NULL, FALSE);
+ free_xml(xml);
+
+ unlink(filename);
+ free(filename);
+
+ return rc;
+}
+
+gboolean
+validate_xml(xmlNode *xml_blob, const char *validation, gboolean to_logs)
+{
+ int version = 0;
+
+ if (validation == NULL) {
+ validation = crm_element_value(xml_blob, XML_ATTR_VALIDATION);
+ }
+
+ if (validation == NULL) {
+ int lpc = 0;
+ bool valid = FALSE;
+
+ validation = crm_element_value(xml_blob, "ignore-dtd");
+ if (crm_is_true(validation)) {
+ /* Legacy compatibilty */
+ crm_xml_add(xml_blob, XML_ATTR_VALIDATION, "none");
+ return TRUE;
+ }
+
+ /* Work it out */
+ for (lpc = 0; lpc < xml_schema_max; lpc++) {
+ if (validate_with(xml_blob, lpc, FALSE)) {
+ valid = TRUE;
+ crm_xml_add(xml_blob, XML_ATTR_VALIDATION,
+ known_schemas[lpc].name);
+ crm_info("XML validated against %s", known_schemas[lpc].name);
+ if(known_schemas[lpc].after_transform == 0) {
+ break;
+ }
+ }
+ }
+
+ return valid;
+ }
+
+ version = get_schema_version(validation);
+ if (strcmp(validation, "none") == 0) {
+ return TRUE;
+ } else if (version < xml_schema_max) {
+ return validate_with(xml_blob, version, to_logs);
+ }
+
+ crm_err("Unknown validator: %s", validation);
+ return FALSE;
+}
+
+#if HAVE_LIBXSLT
+static xmlNode *
+apply_transformation(xmlNode *xml, const char *transform)
+{
+ char *xform = NULL;
+ xmlNode *out = NULL;
+ xmlDocPtr res = NULL;
+ xmlDocPtr doc = NULL;
+ xsltStylesheet *xslt = NULL;
+
+ CRM_CHECK(xml != NULL, return FALSE);
+ doc = getDocPtr(xml);
+ xform = get_schema_path(NULL, transform);
+
+ xmlLoadExtDtdDefaultValue = 1;
+ xmlSubstituteEntitiesDefault(1);
+
+ xslt = xsltParseStylesheetFile((const xmlChar *)xform);
+ CRM_CHECK(xslt != NULL, goto cleanup);
+
+ res = xsltApplyStylesheet(xslt, doc, NULL);
+ CRM_CHECK(res != NULL, goto cleanup);
+
+ out = xmlDocGetRootElement(res);
+
+ cleanup:
+ if (xslt) {
+ xsltFreeStylesheet(xslt);
+ }
+
+ free(xform);
+
+ return out;
+}
+#endif
+
+const char *
+get_schema_name(int version)
+{
+ if (version < 0 || version >= xml_schema_max) {
+ return "unknown";
+ }
+ return known_schemas[version].name;
+}
+
+int
+get_schema_version(const char *name)
+{
+ int lpc = 0;
+
+ if (name == NULL) {
+ name = "none";
+ }
+ for (; lpc < xml_schema_max; lpc++) {
+ if (safe_str_eq(name, known_schemas[lpc].name)) {
+ return lpc;
+ }
+ }
+ return -1;
+}
+
+/* set which validation to use */
+int
+update_validation(xmlNode **xml_blob, int *best, int max, gboolean transform,
+ gboolean to_logs)
+{
+ xmlNode *xml = NULL;
+ char *value = NULL;
+ int max_stable_schemas = xml_latest_schema_index();
+ int lpc = 0, match = -1, rc = pcmk_ok;
+ int next = -1; /* -1 denotes "inactive" value */
+
+ CRM_CHECK(best != NULL, return -EINVAL);
+ *best = 0;
+
+ CRM_CHECK(xml_blob != NULL, return -EINVAL);
+ CRM_CHECK(*xml_blob != NULL, return -EINVAL);
+
+ xml = *xml_blob;
+ value = crm_element_value_copy(xml, XML_ATTR_VALIDATION);
+
+ if (value != NULL) {
+ match = get_schema_version(value);
+
+ lpc = match;
+ if (lpc >= 0 && transform == FALSE) {
+ lpc++;
+
+ } else if (lpc < 0) {
+ crm_debug("Unknown validation type");
+ lpc = 0;
+ }
+ }
+
+ if (match >= max_stable_schemas) {
+ /* nothing to do */
+ free(value);
+ *best = match;
+ return pcmk_ok;
+ }
+
+ while (lpc <= max_stable_schemas) {
+ crm_debug("Testing '%s' validation (%d of %d)",
+ known_schemas[lpc].name ? known_schemas[lpc].name : "<unset>",
+ lpc, max_stable_schemas);
+
+ if (validate_with(xml, lpc, to_logs) == FALSE) {
+ if (next != -1) {
+ crm_info("Configuration not valid for schema: %s",
+ known_schemas[lpc].name);
+ next = -1;
+ } else {
+ crm_trace("%s validation failed",
+ known_schemas[lpc].name ? known_schemas[lpc].name : "<unset>");
+ }
+ if (*best) {
+ /* we've satisfied the validation, no need to check further */
+ break;
+ }
+ rc = -pcmk_err_schema_validation;
+
+ } else {
+ if (next != -1) {
+ crm_debug("Configuration valid for schema: %s",
+ known_schemas[next].name);
+ next = -1;
+ }
+ rc = pcmk_ok;
+ }
+
+ if (rc == pcmk_ok) {
+ *best = lpc;
+ }
+
+ if (rc == pcmk_ok && transform) {
+ xmlNode *upgrade = NULL;
+ next = known_schemas[lpc].after_transform;
+
+ if (next <= lpc) {
+ /* There is no next version, or next would regress */
+ crm_trace("Stopping at %s", known_schemas[lpc].name);
+ break;
+
+ } else if (max > 0 && (lpc == max || next > max)) {
+ crm_trace("Upgrade limit reached at %s (lpc=%d, next=%d, max=%d)",
+ known_schemas[lpc].name, lpc, next, max);
+ break;
+
+ } else if (known_schemas[lpc].transform == NULL) {
+ crm_debug("%s-style configuration is also valid for %s",
+ known_schemas[lpc].name, known_schemas[next].name);
+
+ lpc = next;
+
+ } else {
+ crm_debug("Upgrading %s-style configuration to %s with %s",
+ known_schemas[lpc].name, known_schemas[next].name,
+ known_schemas[lpc].transform ? known_schemas[lpc].transform : "no-op");
+
+#if HAVE_LIBXSLT
+ upgrade = apply_transformation(xml, known_schemas[lpc].transform);
+#endif
+ if (upgrade == NULL) {
+ crm_err("Transformation %s failed",
+ known_schemas[lpc].transform);
+ rc = -pcmk_err_transform_failed;
+
+ } else if (validate_with(upgrade, next, to_logs)) {
+ crm_info("Transformation %s successful",
+ known_schemas[lpc].transform);
+ lpc = next;
+ *best = next;
+ free_xml(xml);
+ xml = upgrade;
+ rc = pcmk_ok;
+
+ } else {
+ crm_err("Transformation %s did not produce a valid configuration",
+ known_schemas[lpc].transform);
+ crm_log_xml_info(upgrade, "transform:bad");
+ free_xml(upgrade);
+ rc = -pcmk_err_schema_validation;
+ }
+ next = -1;
+ }
+ }
+
+ if (transform == FALSE || rc != pcmk_ok) {
+ /* we need some progress! */
+ lpc++;
+ }
+ }
+
+ if (*best > match) {
+ crm_info("%s the configuration from %s to %s",
+ transform?"Transformed":"Upgraded",
+ value ? value : "<none>", known_schemas[*best].name);
+ crm_xml_add(xml, XML_ATTR_VALIDATION, known_schemas[*best].name);
+ }
+
+ *xml_blob = xml;
+ free(value);
+ return rc;
+}
+
+gboolean
+cli_config_update(xmlNode **xml, int *best_version, gboolean to_logs)
+{
+ gboolean rc = TRUE;
+ const char *value = crm_element_value(*xml, XML_ATTR_VALIDATION);
+
+ int version = get_schema_version(value);
+ int orig_version = version;
+ int min_version = xml_minimum_schema_index();
+
+ if (version < min_version) {
+ xmlNode *converted = NULL;
+
+ converted = copy_xml(*xml);
+ update_validation(&converted, &version, 0, TRUE, to_logs);
+
+ value = crm_element_value(converted, XML_ATTR_VALIDATION);
+ if (version < min_version) {
+ if (version < orig_version) {
+ if (to_logs) {
+ crm_config_err("Your current configuration could not validate"
+ " with any schema in range [%s, %s]\n",
+ get_schema_name(orig_version),
+ xml_latest_schema());
+ } else {
+ fprintf(stderr, "Your current configuration could not validate"
+ " with any schema in range [%s, %s]\n",
+ get_schema_name(orig_version),
+ xml_latest_schema());
+ }
+ } else if (to_logs) {
+ crm_config_err("Your current configuration could only be upgraded to %s... "
+ "the minimum requirement is %s.\n", crm_str(value),
+ get_schema_name(min_version));
+ } else {
+ fprintf(stderr, "Your current configuration could only be upgraded to %s... "
+ "the minimum requirement is %s.\n",
+ crm_str(value), get_schema_name(min_version));
+ }
+
+ free_xml(converted);
+ converted = NULL;
+ rc = FALSE;
+
+ } else {
+ free_xml(*xml);
+ *xml = converted;
+
+ if (version < xml_latest_schema_index()) {
+ crm_config_warn("Your configuration was internally updated to %s... "
+ "which is acceptable but not the most recent",
+ get_schema_name(version));
+
+ } else if (to_logs) {
+ crm_info("Your configuration was internally updated to the latest version (%s)",
+ get_schema_name(version));
+ }
+ }
+
+ } else if (version >= get_schema_version("none")) {
+ if (to_logs) {
+ crm_config_warn("Configuration validation is currently disabled."
+ " It is highly encouraged and prevents many common cluster issues.");
+
+ } else {
+ fprintf(stderr, "Configuration validation is currently disabled."
+ " It is highly encouraged and prevents many common cluster issues.\n");
+ }
+ }
+
+ if (best_version) {
+ *best_version = version;
+ }
+
+ return rc;
+}
diff --git a/lib/common/utils.c b/lib/common/utils.c
index 685ad545a3..78c6195748 100644
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -1,2147 +1,2154 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <dlfcn.h>
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <pwd.h>
#include <time.h>
#include <libgen.h>
#include <signal.h>
#include <qb/qbdefs.h>
#include <crm/crm.h>
#include <crm/lrmd.h>
#include <crm/services.h>
#include <crm/msg_xml.h>
#include <crm/cib/internal.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <crm/common/ipc.h>
#include <crm/common/iso8601.h>
#include <crm/common/mainloop.h>
#include <crm/attrd.h>
#include <libxml2/libxml/relaxng.h>
#ifndef MAXLINE
# define MAXLINE 512
#endif
#ifdef HAVE_GETOPT_H
# include <getopt.h>
#endif
#ifndef PW_BUFFER_LEN
# define PW_BUFFER_LEN 500
#endif
CRM_TRACE_INIT_DATA(common);
gboolean crm_config_error = FALSE;
gboolean crm_config_warning = FALSE;
char *crm_system_name = NULL;
int node_score_red = 0;
int node_score_green = 0;
int node_score_yellow = 0;
int node_score_infinity = INFINITY;
static struct crm_option *crm_long_options = NULL;
static const char *crm_app_description = NULL;
static char *crm_short_options = NULL;
static const char *crm_app_usage = NULL;
int
crm_exit(int rc)
{
mainloop_cleanup();
#if HAVE_LIBXML2
crm_trace("cleaning up libxml");
crm_xml_cleanup();
#endif
crm_trace("exit %d", rc);
qb_log_fini();
free(crm_short_options);
free(crm_system_name);
exit(ABS(rc)); /* Always exit with a positive value so that it can be passed to crm_error
*
* Otherwise the system wraps it around and people
* have to jump through hoops figuring out what the
* error was
*/
return rc; /* Can never happen, but allows return crm_exit(rc)
* where "return rc" was used previously - which
* keeps compilers happy.
*/
}
gboolean
check_time(const char *value)
{
if (crm_get_msec(value) < 5000) {
return FALSE;
}
return TRUE;
}
gboolean
check_timer(const char *value)
{
if (crm_get_msec(value) < 0) {
return FALSE;
}
return TRUE;
}
gboolean
check_sbd_timeout(const char *value)
{
const char *env_value = getenv("SBD_WATCHDOG_TIMEOUT");
long sbd_timeout = crm_get_msec(env_value);
long st_timeout = crm_get_msec(value);
if(value == NULL || st_timeout <= 0) {
crm_notice("Watchdog may be enabled but stonith-watchdog-timeout is disabled: %s", value);
} else if(pcmk_locate_sbd() == 0) {
do_crm_log_always(LOG_EMERG, "Shutting down: stonith-watchdog-timeout is configured (%ldms) but SBD is not active", st_timeout);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
} else if(st_timeout < sbd_timeout) {
do_crm_log_always(LOG_EMERG, "Shutting down: stonith-watchdog-timeout (%ldms) is too short (must be greater than %ldms)",
st_timeout, sbd_timeout);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
}
crm_info("Watchdog functionality is consistent: %s delay exceeds timeout of %s", value, env_value);
return TRUE;
}
gboolean
check_boolean(const char *value)
{
int tmp = FALSE;
if (crm_str_to_boolean(value, &tmp) != 1) {
return FALSE;
}
return TRUE;
}
gboolean
check_number(const char *value)
{
errno = 0;
if (value == NULL) {
return FALSE;
} else if (safe_str_eq(value, MINUS_INFINITY_S)) {
} else if (safe_str_eq(value, INFINITY_S)) {
} else {
crm_int_helper(value, NULL);
}
if (errno != 0) {
return FALSE;
}
return TRUE;
}
gboolean
check_quorum(const char *value)
{
if (safe_str_eq(value, "stop")) {
return TRUE;
} else if (safe_str_eq(value, "freeze")) {
return TRUE;
} else if (safe_str_eq(value, "ignore")) {
return TRUE;
} else if (safe_str_eq(value, "suicide")) {
return TRUE;
}
return FALSE;
}
gboolean
check_script(const char *value)
{
struct stat st;
if(safe_str_eq(value, "/dev/null")) {
return TRUE;
}
if(stat(value, &st) != 0) {
crm_err("Script %s does not exist", value);
return FALSE;
}
if(S_ISREG(st.st_mode) == 0) {
crm_err("Script %s is not a regular file", value);
return FALSE;
}
if( (st.st_mode & (S_IXUSR | S_IXGRP )) == 0) {
crm_err("Script %s is not executable", value);
return FALSE;
}
return TRUE;
}
gboolean
check_utilization(const char *value)
{
char *end = NULL;
long number = strtol(value, &end, 10);
if(end && end[0] != '%') {
return FALSE;
} else if(number < 0) {
return FALSE;
}
return TRUE;
}
int
char2score(const char *score)
{
int score_f = 0;
if (score == NULL) {
} else if (safe_str_eq(score, MINUS_INFINITY_S)) {
score_f = -node_score_infinity;
} else if (safe_str_eq(score, INFINITY_S)) {
score_f = node_score_infinity;
} else if (safe_str_eq(score, "+" INFINITY_S)) {
score_f = node_score_infinity;
} else if (safe_str_eq(score, "red")) {
score_f = node_score_red;
} else if (safe_str_eq(score, "yellow")) {
score_f = node_score_yellow;
} else if (safe_str_eq(score, "green")) {
score_f = node_score_green;
} else {
score_f = crm_parse_int(score, NULL);
if (score_f > 0 && score_f > node_score_infinity) {
score_f = node_score_infinity;
} else if (score_f < 0 && score_f < -node_score_infinity) {
score_f = -node_score_infinity;
}
}
return score_f;
}
char *
score2char_stack(int score, char *buf, size_t len)
{
if (score >= node_score_infinity) {
strncpy(buf, INFINITY_S, 9);
} else if (score <= -node_score_infinity) {
strncpy(buf, MINUS_INFINITY_S , 10);
} else {
return crm_itoa_stack(score, buf, len);
}
return buf;
}
char *
score2char(int score)
{
if (score >= node_score_infinity) {
return strdup(INFINITY_S);
} else if (score <= -node_score_infinity) {
return strdup("-" INFINITY_S);
}
return crm_itoa(score);
}
const char *
cluster_option(GHashTable * options, gboolean(*validate) (const char *),
const char *name, const char *old_name, const char *def_value)
{
const char *value = NULL;
CRM_ASSERT(name != NULL);
if (options != NULL) {
value = g_hash_table_lookup(options, name);
}
if (value == NULL && old_name && options != NULL) {
value = g_hash_table_lookup(options, old_name);
if (value != NULL) {
crm_config_warn("Using deprecated name '%s' for"
" cluster option '%s'", old_name, name);
g_hash_table_insert(options, strdup(name), strdup(value));
value = g_hash_table_lookup(options, old_name);
}
}
if (value == NULL) {
crm_trace("Using default value '%s' for cluster option '%s'", def_value, name);
if (options == NULL) {
return def_value;
} else if(def_value == NULL) {
return def_value;
}
g_hash_table_insert(options, strdup(name), strdup(def_value));
value = g_hash_table_lookup(options, name);
}
if (validate && validate(value) == FALSE) {
crm_config_err("Value '%s' for cluster option '%s' is invalid."
" Defaulting to %s", value, name, def_value);
g_hash_table_replace(options, strdup(name), strdup(def_value));
value = g_hash_table_lookup(options, name);
}
return value;
}
const char *
get_cluster_pref(GHashTable * options, pe_cluster_option * option_list, int len, const char *name)
{
int lpc = 0;
const char *value = NULL;
gboolean found = FALSE;
for (lpc = 0; lpc < len; lpc++) {
if (safe_str_eq(name, option_list[lpc].name)) {
found = TRUE;
value = cluster_option(options,
option_list[lpc].is_valid,
option_list[lpc].name,
option_list[lpc].alt_name, option_list[lpc].default_value);
}
}
CRM_CHECK(found, crm_err("No option named: %s", name));
return value;
}
void
config_metadata(const char *name, const char *version, const char *desc_short,
const char *desc_long, pe_cluster_option * option_list, int len)
{
int lpc = 0;
fprintf(stdout, "<?xml version=\"1.0\"?>"
"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"
"<resource-agent name=\"%s\">\n"
" <version>%s</version>\n"
" <longdesc lang=\"en\">%s</longdesc>\n"
" <shortdesc lang=\"en\">%s</shortdesc>\n"
" <parameters>\n", name, version, desc_long, desc_short);
for (lpc = 0; lpc < len; lpc++) {
if (option_list[lpc].description_long == NULL && option_list[lpc].description_short == NULL) {
continue;
}
fprintf(stdout, " <parameter name=\"%s\" unique=\"0\">\n"
" <shortdesc lang=\"en\">%s</shortdesc>\n"
" <content type=\"%s\" default=\"%s\"/>\n"
" <longdesc lang=\"en\">%s%s%s</longdesc>\n"
" </parameter>\n",
option_list[lpc].name,
option_list[lpc].description_short,
option_list[lpc].type,
option_list[lpc].default_value,
option_list[lpc].description_long ? option_list[lpc].
description_long : option_list[lpc].description_short,
option_list[lpc].values ? " Allowed values: " : "",
option_list[lpc].values ? option_list[lpc].values : "");
}
fprintf(stdout, " </parameters>\n</resource-agent>\n");
}
void
verify_all_options(GHashTable * options, pe_cluster_option * option_list, int len)
{
int lpc = 0;
for (lpc = 0; lpc < len; lpc++) {
cluster_option(options,
option_list[lpc].is_valid,
option_list[lpc].name,
option_list[lpc].alt_name, option_list[lpc].default_value);
}
}
char *
generate_hash_key(const char *crm_msg_reference, const char *sys)
{
char *hash_key = crm_concat(sys ? sys : "none", crm_msg_reference, '_');
crm_trace("created hash key: (%s)", hash_key);
return hash_key;
}
int
crm_user_lookup(const char *name, uid_t * uid, gid_t * gid)
{
int rc = -1;
char *buffer = NULL;
struct passwd pwd;
struct passwd *pwentry = NULL;
buffer = calloc(1, PW_BUFFER_LEN);
getpwnam_r(name, &pwd, buffer, PW_BUFFER_LEN, &pwentry);
if (pwentry) {
rc = 0;
if (uid) {
*uid = pwentry->pw_uid;
}
if (gid) {
*gid = pwentry->pw_gid;
}
crm_trace("Cluster user %s has uid=%d gid=%d", name, pwentry->pw_uid, pwentry->pw_gid);
} else {
crm_err("Cluster user %s does not exist", name);
}
free(buffer);
return rc;
}
static int
crm_version_helper(const char *text, char **end_text)
{
int atoi_result = -1;
CRM_ASSERT(end_text != NULL);
errno = 0;
if (text != NULL && text[0] != 0) {
atoi_result = (int)strtol(text, end_text, 10);
if (errno == EINVAL) {
crm_err("Conversion of '%s' %c failed", text, text[0]);
atoi_result = -1;
}
}
return atoi_result;
}
/*
* version1 < version2 : -1
* version1 = version2 : 0
* version1 > version2 : 1
*/
int
compare_version(const char *version1, const char *version2)
{
int rc = 0;
int lpc = 0;
char *ver1_copy = NULL, *ver2_copy = NULL;
char *rest1 = NULL, *rest2 = NULL;
if (version1 == NULL && version2 == NULL) {
return 0;
} else if (version1 == NULL) {
return -1;
} else if (version2 == NULL) {
return 1;
}
ver1_copy = strdup(version1);
ver2_copy = strdup(version2);
rest1 = ver1_copy;
rest2 = ver2_copy;
while (1) {
int digit1 = 0;
int digit2 = 0;
lpc++;
if (rest1 == rest2) {
break;
}
if (rest1 != NULL) {
digit1 = crm_version_helper(rest1, &rest1);
}
if (rest2 != NULL) {
digit2 = crm_version_helper(rest2, &rest2);
}
if (digit1 < digit2) {
rc = -1;
break;
} else if (digit1 > digit2) {
rc = 1;
break;
}
if (rest1 != NULL && rest1[0] == '.') {
rest1++;
}
if (rest1 != NULL && rest1[0] == 0) {
rest1 = NULL;
}
if (rest2 != NULL && rest2[0] == '.') {
rest2++;
}
if (rest2 != NULL && rest2[0] == 0) {
rest2 = NULL;
}
}
free(ver1_copy);
free(ver2_copy);
if (rc == 0) {
crm_trace("%s == %s (%d)", version1, version2, lpc);
} else if (rc < 0) {
crm_trace("%s < %s (%d)", version1, version2, lpc);
} else if (rc > 0) {
crm_trace("%s > %s (%d)", version1, version2, lpc);
}
return rc;
}
gboolean do_stderr = FALSE;
#ifndef NUMCHARS
# define NUMCHARS "0123456789."
#endif
#ifndef WHITESPACE
# define WHITESPACE " \t\n\r\f"
#endif
unsigned long long
crm_get_interval(const char *input)
{
unsigned long long msec = 0;
if (input == NULL) {
return msec;
} else if (input[0] != 'P') {
long long tmp = crm_get_msec(input);
if(tmp > 0) {
msec = tmp;
}
} else {
crm_time_t *interval = crm_time_parse_duration(input);
msec = 1000 * crm_time_get_seconds(interval);
crm_time_free(interval);
}
return msec;
}
long long
crm_get_msec(const char *input)
{
const char *cp = input;
const char *units;
long long multiplier = 1000;
long long divisor = 1;
long long msec = -1;
char *end_text = NULL;
/* double dret; */
if (input == NULL) {
return msec;
}
cp += strspn(cp, WHITESPACE);
units = cp + strspn(cp, NUMCHARS);
units += strspn(units, WHITESPACE);
if (strchr(NUMCHARS, *cp) == NULL) {
return msec;
}
if (strncasecmp(units, "ms", 2) == 0 || strncasecmp(units, "msec", 4) == 0) {
multiplier = 1;
divisor = 1;
} else if (strncasecmp(units, "us", 2) == 0 || strncasecmp(units, "usec", 4) == 0) {
multiplier = 1;
divisor = 1000;
} else if (strncasecmp(units, "s", 1) == 0 || strncasecmp(units, "sec", 3) == 0) {
multiplier = 1000;
divisor = 1;
} else if (strncasecmp(units, "m", 1) == 0 || strncasecmp(units, "min", 3) == 0) {
multiplier = 60 * 1000;
divisor = 1;
} else if (strncasecmp(units, "h", 1) == 0 || strncasecmp(units, "hr", 2) == 0) {
multiplier = 60 * 60 * 1000;
divisor = 1;
} else if (*units != EOS && *units != '\n' && *units != '\r') {
return msec;
}
msec = crm_int_helper(cp, &end_text);
if (msec > LLONG_MAX/multiplier) {
/* arithmetics overflow while multiplier/divisor mutually exclusive */
return LLONG_MAX;
}
msec *= multiplier;
msec /= divisor;
/* dret += 0.5; */
/* msec = (long long)dret; */
return msec;
}
char *
generate_op_key(const char *rsc_id, const char *op_type, int interval)
{
int len = 35;
char *op_id = NULL;
CRM_CHECK(rsc_id != NULL, return NULL);
CRM_CHECK(op_type != NULL, return NULL);
len += strlen(op_type);
len += strlen(rsc_id);
op_id = malloc(len);
CRM_CHECK(op_id != NULL, return NULL);
sprintf(op_id, "%s_%s_%d", rsc_id, op_type, interval);
return op_id;
}
gboolean
parse_op_key(const char *key, char **rsc_id, char **op_type, int *interval)
{
char *notify = NULL;
char *mutable_key = NULL;
char *mutable_key_ptr = NULL;
int len = 0, offset = 0, ch = 0;
CRM_CHECK(key != NULL, return FALSE);
*interval = 0;
len = strlen(key);
offset = len - 1;
crm_trace("Source: %s", key);
while (offset > 0 && isdigit(key[offset])) {
int digits = len - offset;
ch = key[offset] - '0';
CRM_CHECK(ch < 10, return FALSE);
CRM_CHECK(ch >= 0, return FALSE);
while (digits > 1) {
digits--;
ch = ch * 10;
}
*interval += ch;
offset--;
}
crm_trace(" Interval: %d", *interval);
CRM_CHECK(key[offset] == '_', return FALSE);
mutable_key = strdup(key);
mutable_key[offset] = 0;
offset--;
while (offset > 0 && key[offset] != '_') {
offset--;
}
CRM_CHECK(key[offset] == '_', free(mutable_key);
return FALSE);
mutable_key_ptr = mutable_key + offset + 1;
crm_trace(" Action: %s", mutable_key_ptr);
*op_type = strdup(mutable_key_ptr);
mutable_key[offset] = 0;
offset--;
CRM_CHECK(mutable_key != mutable_key_ptr, free(mutable_key);
return FALSE);
notify = strstr(mutable_key, "_post_notify");
if (notify && safe_str_eq(notify, "_post_notify")) {
notify[0] = 0;
}
notify = strstr(mutable_key, "_pre_notify");
if (notify && safe_str_eq(notify, "_pre_notify")) {
notify[0] = 0;
}
crm_trace(" Resource: %s", mutable_key);
*rsc_id = mutable_key;
return TRUE;
}
char *
generate_notify_key(const char *rsc_id, const char *notify_type, const char *op_type)
{
int len = 12;
char *op_id = NULL;
CRM_CHECK(rsc_id != NULL, return NULL);
CRM_CHECK(op_type != NULL, return NULL);
CRM_CHECK(notify_type != NULL, return NULL);
len += strlen(op_type);
len += strlen(rsc_id);
len += strlen(notify_type);
if(len > 0) {
op_id = malloc(len);
}
if (op_id != NULL) {
sprintf(op_id, "%s_%s_notify_%s_0", rsc_id, notify_type, op_type);
}
return op_id;
}
char *
generate_transition_magic_v202(const char *transition_key, int op_status)
{
int len = 80;
char *fail_state = NULL;
CRM_CHECK(transition_key != NULL, return NULL);
len += strlen(transition_key);
fail_state = malloc(len);
if (fail_state != NULL) {
snprintf(fail_state, len, "%d:%s", op_status, transition_key);
}
return fail_state;
}
char *
generate_transition_magic(const char *transition_key, int op_status, int op_rc)
{
int len = 80;
char *fail_state = NULL;
CRM_CHECK(transition_key != NULL, return NULL);
len += strlen(transition_key);
fail_state = malloc(len);
if (fail_state != NULL) {
snprintf(fail_state, len, "%d:%d;%s", op_status, op_rc, transition_key);
}
return fail_state;
}
gboolean
decode_transition_magic(const char *magic, char **uuid, int *transition_id, int *action_id,
int *op_status, int *op_rc, int *target_rc)
{
int res = 0;
char *key = NULL;
gboolean result = TRUE;
CRM_CHECK(magic != NULL, return FALSE);
CRM_CHECK(op_rc != NULL, return FALSE);
CRM_CHECK(op_status != NULL, return FALSE);
key = calloc(1, strlen(magic) + 1);
res = sscanf(magic, "%d:%d;%s", op_status, op_rc, key);
if (res != 3) {
crm_warn("Only found %d items in: '%s'", res, magic);
free(key);
return FALSE;
}
CRM_CHECK(decode_transition_key(key, uuid, transition_id, action_id, target_rc), result = FALSE);
free(key);
return result;
}
char *
generate_transition_key(int transition_id, int action_id, int target_rc, const char *node)
{
int len = 40;
char *fail_state = NULL;
CRM_CHECK(node != NULL, return NULL);
len += strlen(node);
fail_state = malloc(len);
if (fail_state != NULL) {
snprintf(fail_state, len, "%d:%d:%d:%-*s", action_id, transition_id, target_rc, 36, node);
}
return fail_state;
}
gboolean
decode_transition_key(const char *key, char **uuid, int *transition_id, int *action_id,
int *target_rc)
{
int res = 0;
gboolean done = FALSE;
CRM_CHECK(uuid != NULL, return FALSE);
CRM_CHECK(target_rc != NULL, return FALSE);
CRM_CHECK(action_id != NULL, return FALSE);
CRM_CHECK(transition_id != NULL, return FALSE);
*uuid = calloc(1, 37);
res = sscanf(key, "%d:%d:%d:%36s", action_id, transition_id, target_rc, *uuid);
switch (res) {
case 4:
/* Post Pacemaker 0.6 */
done = TRUE;
break;
case 3:
case 2:
/* this can be tricky - the UUID might start with an integer */
/* Until Pacemaker 0.6 */
done = TRUE;
*target_rc = -1;
res = sscanf(key, "%d:%d:%36s", action_id, transition_id, *uuid);
if (res == 2) {
*action_id = -1;
res = sscanf(key, "%d:%36s", transition_id, *uuid);
CRM_CHECK(res == 2, done = FALSE);
} else if (res != 3) {
CRM_CHECK(res == 3, done = FALSE);
}
break;
case 1:
/* Prior to Heartbeat 2.0.8 */
done = TRUE;
*action_id = -1;
*target_rc = -1;
res = sscanf(key, "%d:%36s", transition_id, *uuid);
CRM_CHECK(res == 2, done = FALSE);
break;
default:
crm_crit("Unhandled sscanf result (%d) for %s", res, key);
}
if (strlen(*uuid) != 36) {
crm_warn("Bad UUID (%s) in sscanf result (%d) for %s", *uuid, res, key);
}
if (done == FALSE) {
crm_err("Cannot decode '%s' rc=%d", key, res);
free(*uuid);
*uuid = NULL;
*target_rc = -1;
*action_id = -1;
*transition_id = -1;
}
return done;
}
void
filter_action_parameters(xmlNode * param_set, const char *version)
{
char *key = NULL;
char *timeout = NULL;
char *interval = NULL;
const char *attr_filter[] = {
XML_ATTR_ID,
XML_ATTR_CRM_VERSION,
XML_LRM_ATTR_OP_DIGEST,
};
gboolean do_delete = FALSE;
int lpc = 0;
static int meta_len = 0;
if (meta_len == 0) {
meta_len = strlen(CRM_META);
}
if (param_set == NULL) {
return;
}
for (lpc = 0; lpc < DIMOF(attr_filter); lpc++) {
xml_remove_prop(param_set, attr_filter[lpc]);
}
key = crm_meta_name(XML_LRM_ATTR_INTERVAL);
interval = crm_element_value_copy(param_set, key);
free(key);
key = crm_meta_name(XML_ATTR_TIMEOUT);
timeout = crm_element_value_copy(param_set, key);
if (param_set) {
xmlAttrPtr xIter = param_set->properties;
while (xIter) {
const char *prop_name = (const char *)xIter->name;
xIter = xIter->next;
do_delete = FALSE;
if (strncasecmp(prop_name, CRM_META, meta_len) == 0) {
do_delete = TRUE;
}
if (do_delete) {
xml_remove_prop(param_set, prop_name);
}
}
}
if (crm_get_msec(interval) > 0 && compare_version(version, "1.0.8") > 0) {
/* Re-instate the operation's timeout value */
if (timeout != NULL) {
crm_xml_add(param_set, key, timeout);
}
}
free(interval);
free(timeout);
free(key);
}
extern bool crm_is_daemon;
/* coverity[+kill] */
void
crm_abort(const char *file, const char *function, int line,
const char *assert_condition, gboolean do_core, gboolean do_fork)
{
int rc = 0;
int pid = 0;
int status = 0;
/* Implied by the parent's error logging below */
/* crm_write_blackbox(0); */
if(crm_is_daemon == FALSE) {
/* This is a command line tool - do not fork */
/* crm_add_logfile(NULL); * Record it to a file? */
crm_enable_stderr(TRUE); /* Make sure stderr is enabled so we can tell the caller */
do_fork = FALSE; /* Just crash if needed */
}
if (do_core == FALSE) {
crm_err("%s: Triggered assert at %s:%d : %s", function, file, line, assert_condition);
return;
} else if (do_fork) {
pid = fork();
} else {
crm_err("%s: Triggered fatal assert at %s:%d : %s", function, file, line, assert_condition);
}
if (pid == -1) {
crm_crit("%s: Cannot create core for non-fatal assert at %s:%d : %s",
function, file, line, assert_condition);
return;
} else if(pid == 0) {
/* Child process */
abort();
return;
}
/* Parent process */
crm_err("%s: Forked child %d to record non-fatal assert at %s:%d : %s",
function, pid, file, line, assert_condition);
crm_write_blackbox(SIGTRAP, NULL);
do {
rc = waitpid(pid, &status, 0);
if(rc == pid) {
return; /* Job done */
}
} while(errno == EINTR);
if (errno == ECHILD) {
/* crm_mon does this */
crm_trace("Cannot wait on forked child %d - SIGCHLD is probably set to SIG_IGN", pid);
return;
}
crm_perror(LOG_ERR, "Cannot wait on forked child %d", pid);
}
int
crm_pid_active(long pid, const char *daemon)
{
static int have_proc_pid = 0;
if(have_proc_pid == 0) {
char proc_path[PATH_MAX], exe_path[PATH_MAX];
/* check to make sure pid hasn't been reused by another process */
snprintf(proc_path, sizeof(proc_path), "/proc/%lu/exe", (long unsigned int)getpid());
have_proc_pid = 1;
if(readlink(proc_path, exe_path, PATH_MAX - 1) < 0) {
have_proc_pid = -1;
}
}
if (pid <= 0) {
return -1;
} else if (kill(pid, 0) < 0 && errno == ESRCH) {
return 0;
} else if(daemon == NULL || have_proc_pid == -1) {
return 1;
} else {
int rc = 0;
char proc_path[PATH_MAX], exe_path[PATH_MAX], myexe_path[PATH_MAX];
/* check to make sure pid hasn't been reused by another process */
snprintf(proc_path, sizeof(proc_path), "/proc/%lu/exe", pid);
rc = readlink(proc_path, exe_path, PATH_MAX - 1);
if (rc < 0 && errno == EACCES) {
crm_perror(LOG_INFO, "Could not read from %s", proc_path);
return 1;
} else if (rc < 0) {
crm_perror(LOG_ERR, "Could not read from %s", proc_path);
return 0;
}
exe_path[rc] = 0;
if(daemon[0] != '/') {
rc = snprintf(myexe_path, sizeof(proc_path), CRM_DAEMON_DIR"/%s", daemon);
myexe_path[rc] = 0;
} else {
rc = snprintf(myexe_path, sizeof(proc_path), "%s", daemon);
myexe_path[rc] = 0;
}
if (strcmp(exe_path, myexe_path) == 0) {
return 1;
}
}
return 0;
}
#define LOCKSTRLEN 11
long
crm_read_pidfile(const char *filename)
{
int fd;
struct stat sbuf;
long pid = -ENOENT;
char buf[LOCKSTRLEN + 1];
if ((fd = open(filename, O_RDONLY)) < 0) {
goto bail;
}
if (fstat(fd, &sbuf) >= 0 && sbuf.st_size < LOCKSTRLEN) {
sleep(2); /* if someone was about to create one,
* give'm a sec to do so
*/
}
if (read(fd, buf, sizeof(buf)) < 1) {
goto bail;
}
if (sscanf(buf, "%lu", &pid) > 0) {
if (pid <= 0) {
pid = -ESRCH;
} else {
crm_trace("Got pid %lu from %s\n", pid, filename);
}
}
bail:
if (fd >= 0) {
close(fd);
}
return pid;
}
long
crm_pidfile_inuse(const char *filename, long mypid, const char *daemon)
{
long pid = crm_read_pidfile(filename);
if (pid < 2) {
/* Invalid pid */
pid = -ENOENT;
unlink(filename);
} else if (mypid && pid == mypid) {
/* In use by us */
pid = pcmk_ok;
} else if (crm_pid_active(pid, daemon) == FALSE) {
/* Contains a stale value */
unlink(filename);
pid = -ENOENT;
} else if (mypid && pid != mypid) {
/* locked by existing process - give up */
pid = -EEXIST;
}
return pid;
}
static int
crm_lock_pidfile(const char *filename, const char *name)
{
long mypid = 0;
int fd = 0, rc = 0;
char buf[LOCKSTRLEN + 1];
mypid = (unsigned long)getpid();
rc = crm_pidfile_inuse(filename, 0, name);
if (rc == -ENOENT) {
/* exists but the process is not active */
} else if (rc != pcmk_ok) {
/* locked by existing process - give up */
return rc;
}
if ((fd = open(filename, O_CREAT | O_WRONLY | O_EXCL, 0644)) < 0) {
/* Hmmh, why did we fail? Anyway, nothing we can do about it */
return -errno;
}
snprintf(buf, sizeof(buf), "%*lu\n", LOCKSTRLEN - 1, mypid);
rc = write(fd, buf, LOCKSTRLEN);
close(fd);
if (rc != LOCKSTRLEN) {
crm_perror(LOG_ERR, "Incomplete write to %s", filename);
return -errno;
}
return crm_pidfile_inuse(filename, mypid, name);
}
void
crm_make_daemon(const char *name, gboolean daemonize, const char *pidfile)
{
int rc;
long pid;
const char *devnull = "/dev/null";
if (daemonize == FALSE) {
return;
}
/* Check before we even try... */
rc = crm_pidfile_inuse(pidfile, 1, name);
if(rc < pcmk_ok && rc != -ENOENT) {
pid = crm_read_pidfile(pidfile);
crm_err("%s: already running [pid %ld in %s]", name, pid, pidfile);
printf("%s: already running [pid %ld in %s]\n", name, pid, pidfile);
crm_exit(rc);
}
pid = fork();
if (pid < 0) {
fprintf(stderr, "%s: could not start daemon\n", name);
crm_perror(LOG_ERR, "fork");
crm_exit(EINVAL);
} else if (pid > 0) {
crm_exit(pcmk_ok);
}
rc = crm_lock_pidfile(pidfile, name);
if(rc < pcmk_ok) {
crm_err("Could not lock '%s' for %s: %s (%d)", pidfile, name, pcmk_strerror(rc), rc);
printf("Could not lock '%s' for %s: %s (%d)\n", pidfile, name, pcmk_strerror(rc), rc);
crm_exit(rc);
}
umask(S_IWGRP | S_IWOTH | S_IROTH);
close(STDIN_FILENO);
(void)open(devnull, O_RDONLY); /* Stdin: fd 0 */
close(STDOUT_FILENO);
(void)open(devnull, O_WRONLY); /* Stdout: fd 1 */
close(STDERR_FILENO);
(void)open(devnull, O_WRONLY); /* Stderr: fd 2 */
}
char *
crm_meta_name(const char *field)
{
int lpc = 0;
int max = 0;
char *crm_name = NULL;
CRM_CHECK(field != NULL, return NULL);
crm_name = crm_concat(CRM_META, field, '_');
/* Massage the names so they can be used as shell variables */
max = strlen(crm_name);
for (; lpc < max; lpc++) {
switch (crm_name[lpc]) {
case '-':
crm_name[lpc] = '_';
break;
}
}
return crm_name;
}
const char *
crm_meta_value(GHashTable * hash, const char *field)
{
char *key = NULL;
const char *value = NULL;
key = crm_meta_name(field);
if (key) {
value = g_hash_table_lookup(hash, key);
free(key);
}
return value;
}
static struct option *
crm_create_long_opts(struct crm_option *long_options)
{
struct option *long_opts = NULL;
#ifdef HAVE_GETOPT_H
int index = 0, lpc = 0;
/*
* A previous, possibly poor, choice of '?' as the short form of --help
* means that getopt_long() returns '?' for both --help and for "unknown option"
*
* This dummy entry allows us to differentiate between the two in crm_get_option()
* and exit with the correct error code
*/
long_opts = realloc_safe(long_opts, (index + 1) * sizeof(struct option));
long_opts[index].name = "__dummmy__";
long_opts[index].has_arg = 0;
long_opts[index].flag = 0;
long_opts[index].val = '_';
index++;
for (lpc = 0; long_options[lpc].name != NULL; lpc++) {
if (long_options[lpc].name[0] == '-') {
continue;
}
long_opts = realloc_safe(long_opts, (index + 1) * sizeof(struct option));
/*fprintf(stderr, "Creating %d %s = %c\n", index,
* long_options[lpc].name, long_options[lpc].val); */
long_opts[index].name = long_options[lpc].name;
long_opts[index].has_arg = long_options[lpc].has_arg;
long_opts[index].flag = long_options[lpc].flag;
long_opts[index].val = long_options[lpc].val;
index++;
}
/* Now create the list terminator */
long_opts = realloc_safe(long_opts, (index + 1) * sizeof(struct option));
long_opts[index].name = NULL;
long_opts[index].has_arg = 0;
long_opts[index].flag = 0;
long_opts[index].val = 0;
#endif
return long_opts;
}
void
crm_set_options(const char *short_options, const char *app_usage, struct crm_option *long_options,
const char *app_desc)
{
if (short_options) {
crm_short_options = strdup(short_options);
} else if (long_options) {
int lpc = 0;
int opt_string_len = 0;
char *local_short_options = NULL;
for (lpc = 0; long_options[lpc].name != NULL; lpc++) {
if (long_options[lpc].val && long_options[lpc].val != '-' && long_options[lpc].val < UCHAR_MAX) {
local_short_options = realloc_safe(local_short_options, opt_string_len + 4);
local_short_options[opt_string_len++] = long_options[lpc].val;
/* getopt(3) says: Two colons mean an option takes an optional arg; */
if (long_options[lpc].has_arg == optional_argument) {
local_short_options[opt_string_len++] = ':';
}
if (long_options[lpc].has_arg >= required_argument) {
local_short_options[opt_string_len++] = ':';
}
local_short_options[opt_string_len] = 0;
}
}
crm_short_options = local_short_options;
crm_trace("Generated short option string: '%s'", local_short_options);
}
if (long_options) {
crm_long_options = long_options;
}
if (app_desc) {
crm_app_description = app_desc;
}
if (app_usage) {
crm_app_usage = app_usage;
}
}
int
crm_get_option(int argc, char **argv, int *index)
{
return crm_get_option_long(argc, argv, index, NULL);
}
int
crm_get_option_long(int argc, char **argv, int *index, const char **longname)
{
#ifdef HAVE_GETOPT_H
static struct option *long_opts = NULL;
if (long_opts == NULL && crm_long_options) {
long_opts = crm_create_long_opts(crm_long_options);
}
*index = 0;
if (long_opts) {
int flag = getopt_long(argc, argv, crm_short_options, long_opts, index);
switch (flag) {
case 0:
if (long_opts[*index].val) {
return long_opts[*index].val;
} else if (longname) {
*longname = long_opts[*index].name;
} else {
crm_notice("Unhandled option --%s", long_opts[*index].name);
return flag;
}
case -1: /* End of option processing */
break;
case ':':
crm_trace("Missing argument");
crm_help('?', 1);
break;
case '?':
crm_help('?', *index ? 0 : 1);
break;
}
return flag;
}
#endif
if (crm_short_options) {
return getopt(argc, argv, crm_short_options);
}
return -1;
}
int
crm_help(char cmd, int exit_code)
{
int i = 0;
FILE *stream = (exit_code ? stderr : stdout);
if (cmd == 'v' || cmd == '$') {
fprintf(stream, "Pacemaker %s\n", PACEMAKER_VERSION);
fprintf(stream, "Written by Andrew Beekhof\n");
goto out;
}
if (cmd == '!') {
fprintf(stream, "Pacemaker %s (Build: %s): %s\n", PACEMAKER_VERSION, BUILD_VERSION, CRM_FEATURES);
goto out;
}
fprintf(stream, "%s - %s\n", crm_system_name, crm_app_description);
if (crm_app_usage) {
fprintf(stream, "Usage: %s %s\n", crm_system_name, crm_app_usage);
}
if (crm_long_options) {
fprintf(stream, "Options:\n");
for (i = 0; crm_long_options[i].name != NULL; i++) {
if (crm_long_options[i].flags & pcmk_option_hidden) {
} else if (crm_long_options[i].flags & pcmk_option_paragraph) {
fprintf(stream, "%s\n\n", crm_long_options[i].desc);
} else if (crm_long_options[i].flags & pcmk_option_example) {
fprintf(stream, "\t#%s\n\n", crm_long_options[i].desc);
} else if (crm_long_options[i].val == '-' && crm_long_options[i].desc) {
fprintf(stream, "%s\n", crm_long_options[i].desc);
} else {
/* is val printable as char ? */
if (crm_long_options[i].val && crm_long_options[i].val <= UCHAR_MAX) {
fprintf(stream, " -%c,", crm_long_options[i].val);
} else {
fputs(" ", stream);
}
fprintf(stream, " --%s%s\t%s\n", crm_long_options[i].name,
crm_long_options[i].has_arg == optional_argument ? "[=value]" :
crm_long_options[i].has_arg == required_argument ? "=value" : "",
crm_long_options[i].desc ? crm_long_options[i].desc : "");
}
}
} else if (crm_short_options) {
fprintf(stream, "Usage: %s - %s\n", crm_system_name, crm_app_description);
for (i = 0; crm_short_options[i] != 0; i++) {
int has_arg = no_argument /* 0 */;
if (crm_short_options[i + 1] == ':') {
if (crm_short_options[i + 2] == ':')
has_arg = optional_argument /* 2 */;
else
has_arg = required_argument /* 1 */;
}
fprintf(stream, " -%c %s\n", crm_short_options[i],
has_arg == optional_argument ? "[value]" :
has_arg == required_argument ? "{value}" : "");
i += has_arg;
}
}
fprintf(stream, "\nReport bugs to %s\n", PACKAGE_BUGREPORT);
out:
return crm_exit(exit_code);
}
void cib_ipc_servers_init(qb_ipcs_service_t **ipcs_ro,
qb_ipcs_service_t **ipcs_rw,
qb_ipcs_service_t **ipcs_shm,
struct qb_ipcs_service_handlers *ro_cb,
struct qb_ipcs_service_handlers *rw_cb)
{
*ipcs_ro = mainloop_add_ipc_server(cib_channel_ro, QB_IPC_NATIVE, ro_cb);
*ipcs_rw = mainloop_add_ipc_server(cib_channel_rw, QB_IPC_NATIVE, rw_cb);
*ipcs_shm = mainloop_add_ipc_server(cib_channel_shm, QB_IPC_SHM, rw_cb);
if (*ipcs_ro == NULL || *ipcs_rw == NULL || *ipcs_shm == NULL) {
crm_err("Failed to create cib servers: exiting and inhibiting respawn.");
crm_warn("Verify pacemaker and pacemaker_remote are not both enabled.");
crm_exit(DAEMON_RESPAWN_STOP);
}
}
void cib_ipc_servers_destroy(qb_ipcs_service_t *ipcs_ro,
qb_ipcs_service_t *ipcs_rw,
qb_ipcs_service_t *ipcs_shm)
{
qb_ipcs_destroy(ipcs_ro);
qb_ipcs_destroy(ipcs_rw);
qb_ipcs_destroy(ipcs_shm);
}
qb_ipcs_service_t *
crmd_ipc_server_init(struct qb_ipcs_service_handlers *cb)
{
return mainloop_add_ipc_server(CRM_SYSTEM_CRMD, QB_IPC_NATIVE, cb);
}
void
attrd_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb)
{
*ipcs = mainloop_add_ipc_server(T_ATTRD, QB_IPC_NATIVE, cb);
if (*ipcs == NULL) {
crm_err("Failed to create attrd servers: exiting and inhibiting respawn.");
crm_warn("Verify pacemaker and pacemaker_remote are not both enabled.");
crm_exit(DAEMON_RESPAWN_STOP);
}
}
void
stonith_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb)
{
*ipcs = mainloop_add_ipc_server("stonith-ng", QB_IPC_NATIVE, cb);
if (*ipcs == NULL) {
crm_err("Failed to create stonith-ng servers: exiting and inhibiting respawn.");
crm_warn("Verify pacemaker and pacemaker_remote are not both enabled.");
crm_exit(DAEMON_RESPAWN_STOP);
}
}
int
attrd_update_delegate(crm_ipc_t * ipc, char command, const char *host, const char *name,
const char *value, const char *section, const char *set, const char *dampen,
const char *user_name, int options)
{
int rc = -ENOTCONN;
int max = 5;
const char *task = NULL;
const char *name_as = NULL;
+ const char *display_host = (host ? host : "localhost");
+ const char *display_command = NULL; /* for commands without name/value */
xmlNode *update = create_xml_node(NULL, __FUNCTION__);
static gboolean connected = TRUE;
static crm_ipc_t *local_ipc = NULL;
static enum crm_ipc_flags flags = crm_ipc_flags_none;
if (ipc == NULL && local_ipc == NULL) {
local_ipc = crm_ipc_new(T_ATTRD, 0);
flags |= crm_ipc_client_response;
connected = FALSE;
}
if (ipc == NULL) {
ipc = local_ipc;
}
/* remap common aliases */
if (safe_str_eq(section, "reboot")) {
section = XML_CIB_TAG_STATUS;
} else if (safe_str_eq(section, "forever")) {
section = XML_CIB_TAG_NODES;
}
crm_xml_add(update, F_TYPE, T_ATTRD);
crm_xml_add(update, F_ORIG, crm_system_name?crm_system_name:"unknown");
if (name == NULL && command == 'U') {
command = 'R';
}
switch (command) {
case 'u':
task = ATTRD_OP_UPDATE;
name_as = F_ATTRD_REGEX;
break;
case 'D':
case 'U':
case 'v':
task = ATTRD_OP_UPDATE;
name_as = F_ATTRD_ATTRIBUTE;
break;
case 'R':
task = ATTRD_OP_REFRESH;
+ display_command = "refresh";
break;
case 'B':
task = ATTRD_OP_UPDATE_BOTH;
name_as = F_ATTRD_ATTRIBUTE;
break;
case 'Y':
task = ATTRD_OP_UPDATE_DELAY;
name_as = F_ATTRD_ATTRIBUTE;
break;
case 'Q':
task = ATTRD_OP_QUERY;
name_as = F_ATTRD_ATTRIBUTE;
break;
case 'C':
task = ATTRD_OP_PEER_REMOVE;
+ display_command = "purge";
break;
}
if (name_as != NULL) {
if (name == NULL) {
rc = -EINVAL;
goto done;
}
crm_xml_add(update, name_as, name);
}
crm_xml_add(update, F_ATTRD_TASK, task);
crm_xml_add(update, F_ATTRD_VALUE, value);
crm_xml_add(update, F_ATTRD_DAMPEN, dampen);
crm_xml_add(update, F_ATTRD_SECTION, section);
crm_xml_add(update, F_ATTRD_HOST, host);
crm_xml_add(update, F_ATTRD_SET, set);
crm_xml_add_int(update, F_ATTRD_IS_REMOTE, is_set(options, attrd_opt_remote));
crm_xml_add_int(update, F_ATTRD_IS_PRIVATE, is_set(options, attrd_opt_private));
#if ENABLE_ACL
if (user_name) {
crm_xml_add(update, F_ATTRD_USER, user_name);
}
#endif
while (max > 0) {
if (connected == FALSE) {
crm_info("Connecting to cluster... %d retries remaining", max);
connected = crm_ipc_connect(ipc);
}
if (connected) {
rc = crm_ipc_send(ipc, update, flags, 0, NULL);
} else {
crm_perror(LOG_INFO, "Connection to cluster attribute manager failed");
}
if (ipc != local_ipc) {
break;
} else if (rc > 0) {
break;
} else if (rc == -EAGAIN || rc == -EALREADY) {
sleep(5 - max);
max--;
} else {
crm_ipc_close(ipc);
connected = FALSE;
sleep(5 - max);
max--;
}
}
done:
free_xml(update);
if (rc > 0) {
- crm_debug("Sent update: %s=%s for %s", name, value, host ? host : "localhost");
rc = pcmk_ok;
+ }
+ if (display_command) {
+ crm_debug("Asked attrd to %s %s: %s (%d)",
+ display_command, display_host, pcmk_strerror(rc), rc);
} else {
- crm_debug("Could not send update %s=%s for %s: %s (%d)", name, value,
- host ? host : "localhost", pcmk_strerror(rc), rc);
+ crm_debug("Asked attrd to update %s=%s for %s: %s (%d)",
+ name, value, display_host, pcmk_strerror(rc), rc);
}
return rc;
}
#define FAKE_TE_ID "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
static void
append_digest(lrmd_event_data_t * op, xmlNode * update, const char *version, const char *magic,
int level)
{
/* this will enable us to later determine that the
* resource's parameters have changed and we should force
* a restart
*/
char *digest = NULL;
xmlNode *args_xml = NULL;
if (op->params == NULL) {
return;
}
args_xml = create_xml_node(NULL, XML_TAG_PARAMS);
g_hash_table_foreach(op->params, hash2field, args_xml);
filter_action_parameters(args_xml, version);
crm_summarize_versioned_params(args_xml, op->versioned_params);
digest = calculate_operation_digest(args_xml, version);
#if 0
if (level < get_crm_log_level()
&& op->interval == 0 && crm_str_eq(op->op_type, CRMD_ACTION_START, TRUE)) {
char *digest_source = dump_xml_unformatted(args_xml);
do_crm_log(level, "Calculated digest %s for %s (%s). Source: %s\n",
digest, ID(update), magic, digest_source);
free(digest_source);
}
#endif
crm_xml_add(update, XML_LRM_ATTR_OP_DIGEST, digest);
free_xml(args_xml);
free(digest);
}
int
rsc_op_expected_rc(lrmd_event_data_t * op)
{
int rc = 0;
if (op && op->user_data) {
int dummy = 0;
char *uuid = NULL;
decode_transition_key(op->user_data, &uuid, &dummy, &dummy, &rc);
free(uuid);
}
return rc;
}
gboolean
did_rsc_op_fail(lrmd_event_data_t * op, int target_rc)
{
switch (op->op_status) {
case PCMK_LRM_OP_CANCELLED:
case PCMK_LRM_OP_PENDING:
return FALSE;
break;
case PCMK_LRM_OP_NOTSUPPORTED:
case PCMK_LRM_OP_TIMEOUT:
case PCMK_LRM_OP_ERROR:
return TRUE;
break;
default:
if (target_rc != op->rc) {
return TRUE;
}
}
return FALSE;
}
xmlNode *
create_operation_update(xmlNode * parent, lrmd_event_data_t * op, const char * caller_version,
int target_rc, const char * node, const char * origin, int level)
{
char *key = NULL;
char *magic = NULL;
char *op_id = NULL;
char *op_id_additional = NULL;
char *local_user_data = NULL;
const char *exit_reason = NULL;
xmlNode *xml_op = NULL;
const char *task = NULL;
gboolean dc_munges_migrate_ops = (compare_version(caller_version, "3.0.3") < 0);
gboolean dc_needs_unique_ops = (compare_version(caller_version, "3.0.6") < 0);
CRM_CHECK(op != NULL, return NULL);
do_crm_log(level, "%s: Updating resource %s after %s op %s (interval=%d)",
origin, op->rsc_id, op->op_type, services_lrm_status_str(op->op_status),
op->interval);
crm_trace("DC version: %s", caller_version);
task = op->op_type;
/* remap the task name under various scenarios
* this makes life easier for the PE when trying determine the current state
*/
if (crm_str_eq(task, "reload", TRUE)) {
if (op->op_status == PCMK_LRM_OP_DONE) {
task = CRMD_ACTION_START;
} else {
task = CRMD_ACTION_STATUS;
}
} else if (dc_munges_migrate_ops && crm_str_eq(task, CRMD_ACTION_MIGRATE, TRUE)) {
/* if the migrate_from fails it will have enough info to do the right thing */
if (op->op_status == PCMK_LRM_OP_DONE) {
task = CRMD_ACTION_STOP;
} else {
task = CRMD_ACTION_STATUS;
}
} else if (dc_munges_migrate_ops
&& op->op_status == PCMK_LRM_OP_DONE
&& crm_str_eq(task, CRMD_ACTION_MIGRATED, TRUE)) {
task = CRMD_ACTION_START;
}
key = generate_op_key(op->rsc_id, task, op->interval);
if (dc_needs_unique_ops && op->interval > 0) {
op_id = strdup(key);
} else if (crm_str_eq(task, CRMD_ACTION_NOTIFY, TRUE)) {
const char *n_type = crm_meta_value(op->params, "notify_type");
const char *n_task = crm_meta_value(op->params, "notify_operation");
CRM_LOG_ASSERT(n_type != NULL);
CRM_LOG_ASSERT(n_task != NULL);
op_id = generate_notify_key(op->rsc_id, n_type, n_task);
/* these are not yet allowed to fail */
op->op_status = PCMK_LRM_OP_DONE;
op->rc = 0;
} else if (did_rsc_op_fail(op, target_rc)) {
op_id = generate_op_key(op->rsc_id, "last_failure", 0);
if (op->interval == 0) {
/* Ensure 'last' gets updated too in case recording-pending="true" */
op_id_additional = generate_op_key(op->rsc_id, "last", 0);
}
exit_reason = op->exit_reason;
} else if (op->interval > 0) {
op_id = strdup(key);
} else {
op_id = generate_op_key(op->rsc_id, "last", 0);
}
again:
xml_op = find_entity(parent, XML_LRM_TAG_RSC_OP, op_id);
if (xml_op == NULL) {
xml_op = create_xml_node(parent, XML_LRM_TAG_RSC_OP);
}
if (op->user_data == NULL) {
crm_debug("Generating fake transition key for:"
" %s_%s_%d %d from %s",
op->rsc_id, op->op_type, op->interval, op->call_id, origin);
local_user_data = generate_transition_key(-1, op->call_id, target_rc, FAKE_TE_ID);
op->user_data = local_user_data;
}
if(magic == NULL) {
magic = generate_transition_magic(op->user_data, op->op_status, op->rc);
}
crm_xml_add(xml_op, XML_ATTR_ID, op_id);
crm_xml_add(xml_op, XML_LRM_ATTR_TASK_KEY, key);
crm_xml_add(xml_op, XML_LRM_ATTR_TASK, task);
crm_xml_add(xml_op, XML_ATTR_ORIGIN, origin);
crm_xml_add(xml_op, XML_ATTR_CRM_VERSION, caller_version);
crm_xml_add(xml_op, XML_ATTR_TRANSITION_KEY, op->user_data);
crm_xml_add(xml_op, XML_ATTR_TRANSITION_MAGIC, magic);
crm_xml_add(xml_op, XML_LRM_ATTR_EXIT_REASON, exit_reason);
crm_xml_add(xml_op, XML_LRM_ATTR_TARGET, node); /* For context during triage */
crm_xml_add_int(xml_op, XML_LRM_ATTR_CALLID, op->call_id);
crm_xml_add_int(xml_op, XML_LRM_ATTR_RC, op->rc);
crm_xml_add_int(xml_op, XML_LRM_ATTR_OPSTATUS, op->op_status);
crm_xml_add_int(xml_op, XML_LRM_ATTR_INTERVAL, op->interval);
if (compare_version("2.1", caller_version) <= 0) {
if (op->t_run || op->t_rcchange || op->exec_time || op->queue_time) {
crm_trace("Timing data (%s_%s_%d): last=%u change=%u exec=%u queue=%u",
op->rsc_id, op->op_type, op->interval,
op->t_run, op->t_rcchange, op->exec_time, op->queue_time);
if (op->interval == 0) {
/* The values are the same for non-recurring ops */
crm_xml_add_int(xml_op, XML_RSC_OP_LAST_RUN, op->t_run);
crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_run);
} else if(op->t_rcchange) {
/* last-run is not accurate for recurring ops */
crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_rcchange);
} else {
/* ...but is better than nothing otherwise */
crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_run);
}
crm_xml_add_int(xml_op, XML_RSC_OP_T_EXEC, op->exec_time);
crm_xml_add_int(xml_op, XML_RSC_OP_T_QUEUE, op->queue_time);
}
}
if (crm_str_eq(op->op_type, CRMD_ACTION_MIGRATE, TRUE)
|| crm_str_eq(op->op_type, CRMD_ACTION_MIGRATED, TRUE)) {
/*
* Record migrate_source and migrate_target always for migrate ops.
*/
const char *name = XML_LRM_ATTR_MIGRATE_SOURCE;
crm_xml_add(xml_op, name, crm_meta_value(op->params, name));
name = XML_LRM_ATTR_MIGRATE_TARGET;
crm_xml_add(xml_op, name, crm_meta_value(op->params, name));
}
append_digest(op, xml_op, caller_version, magic, LOG_DEBUG);
if (op_id_additional) {
free(op_id);
op_id = op_id_additional;
op_id_additional = NULL;
goto again;
}
if (local_user_data) {
free(local_user_data);
op->user_data = NULL;
}
free(magic);
free(op_id);
free(key);
return xml_op;
}
bool
pcmk_acl_required(const char *user)
{
#if ENABLE_ACL
if(user == NULL || strlen(user) == 0) {
crm_trace("no user set");
return FALSE;
} else if (strcmp(user, CRM_DAEMON_USER) == 0) {
return FALSE;
} else if (strcmp(user, "root") == 0) {
return FALSE;
}
crm_trace("acls required for %s", user);
return TRUE;
#else
crm_trace("acls not supported");
return FALSE;
#endif
}
#if ENABLE_ACL
char *
uid2username(uid_t uid)
{
struct passwd *pwent = getpwuid(uid);
if (pwent == NULL) {
crm_perror(LOG_ERR, "Cannot get password entry of uid: %d", uid);
return NULL;
} else {
return strdup(pwent->pw_name);
}
}
const char *
crm_acl_get_set_user(xmlNode * request, const char *field, const char *peer_user)
{
/* field is only checked for backwards compatibility */
static const char *effective_user = NULL;
const char *requested_user = NULL;
const char *user = NULL;
if(effective_user == NULL) {
effective_user = uid2username(geteuid());
}
requested_user = crm_element_value(request, XML_ACL_TAG_USER);
if(requested_user == NULL) {
requested_user = crm_element_value(request, field);
}
if (is_privileged(effective_user) == FALSE) {
/* We're not running as a privileged user, set or overwrite any existing value for $XML_ACL_TAG_USER */
user = effective_user;
} else if(peer_user == NULL && requested_user == NULL) {
/* No user known or requested, use 'effective_user' and make sure one is set for the request */
user = effective_user;
} else if(peer_user == NULL) {
/* No user known, trusting 'requested_user' */
user = requested_user;
} else if (is_privileged(peer_user) == FALSE) {
/* The peer is not a privileged user, set or overwrite any existing value for $XML_ACL_TAG_USER */
user = peer_user;
} else if (requested_user == NULL) {
/* Even if we're privileged, make sure there is always a value set */
user = peer_user;
} else {
/* Legal delegation to 'requested_user' */
user = requested_user;
}
/* Yes, pointer comparision */
if(user != crm_element_value(request, XML_ACL_TAG_USER)) {
crm_xml_add(request, XML_ACL_TAG_USER, user);
}
if(field != NULL && user != crm_element_value(request, field)) {
crm_xml_add(request, field, user);
}
return requested_user;
}
void
determine_request_user(const char *user, xmlNode * request, const char *field)
{
/* Get our internal validation out of the way first */
CRM_CHECK(user != NULL && request != NULL && field != NULL, return);
/* If our peer is a privileged user, we might be doing something on behalf of someone else */
if (is_privileged(user) == FALSE) {
/* We're not a privileged user, set or overwrite any existing value for $field */
crm_xml_replace(request, field, user);
} else if (crm_element_value(request, field) == NULL) {
/* Even if we're privileged, make sure there is always a value set */
crm_xml_replace(request, field, user);
/* } else { Legal delegation */
}
crm_trace("Processing msg as user '%s'", crm_element_value(request, field));
}
#endif
void *
find_library_function(void **handle, const char *lib, const char *fn, gboolean fatal)
{
char *error;
void *a_function;
if (*handle == NULL) {
*handle = dlopen(lib, RTLD_LAZY);
}
if (!(*handle)) {
crm_err("%sCould not open %s: %s", fatal ? "Fatal: " : "", lib, dlerror());
if (fatal) {
crm_exit(DAEMON_RESPAWN_STOP);
}
return NULL;
}
a_function = dlsym(*handle, fn);
if (a_function == NULL) {
error = dlerror();
crm_err("%sCould not find %s in %s: %s", fatal ? "Fatal: " : "", fn, lib, error);
if (fatal) {
crm_exit(DAEMON_RESPAWN_STOP);
}
}
return a_function;
}
void *
convert_const_pointer(const void *ptr)
{
/* Worst function ever */
return (void *)ptr;
}
#ifdef HAVE_UUID_UUID_H
# include <uuid/uuid.h>
#endif
char *
crm_generate_uuid(void)
{
unsigned char uuid[16];
char *buffer = malloc(37); /* Including NUL byte */
uuid_generate(uuid);
uuid_unparse(uuid, buffer);
return buffer;
}
#include <md5.h>
char *
crm_md5sum(const char *buffer)
{
int lpc = 0, len = 0;
char *digest = NULL;
unsigned char raw_digest[MD5_DIGEST_SIZE];
if (buffer == NULL) {
buffer = "";
}
len = strlen(buffer);
crm_trace("Beginning digest of %d bytes", len);
digest = malloc(2 * MD5_DIGEST_SIZE + 1);
if(digest) {
md5_buffer(buffer, len, raw_digest);
for (lpc = 0; lpc < MD5_DIGEST_SIZE; lpc++) {
sprintf(digest + (2 * lpc), "%02x", raw_digest[lpc]);
}
digest[(2 * MD5_DIGEST_SIZE)] = 0;
crm_trace("Digest %s.", digest);
} else {
crm_err("Could not create digest");
}
return digest;
}
#ifdef HAVE_GNUTLS_GNUTLS_H
void
crm_gnutls_global_init(void)
{
signal(SIGPIPE, SIG_IGN);
gnutls_global_init();
}
#endif
diff --git a/lib/common/xml.c b/lib/common/xml.c
index 1d2afe6ea3..a6a6d0a45e 100644
--- a/lib/common/xml.c
+++ b/lib/common/xml.c
@@ -1,5876 +1,5005 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
+
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
-#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include <string.h>
-#include <dirent.h>
-
#include <stdlib.h>
-#include <errno.h>
-#include <fcntl.h>
#include <ctype.h>
-#include <math.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
-#include <libxml/xmlreader.h>
#if HAVE_BZLIB_H
# include <bzlib.h>
#endif
#if HAVE_LIBXML2
# include <libxml/parser.h>
# include <libxml/tree.h>
-# include <libxml/relaxng.h>
-#endif
-
-#if HAVE_LIBXSLT
-# include <libxslt/xslt.h>
-# include <libxslt/transform.h>
#endif
#define XML_BUFFER_SIZE 4096
#define XML_PARSER_DEBUG 0
-void
-xml_log(int priority, const char *fmt, ...)
-G_GNUC_PRINTF(2, 3);
static inline int
__get_prefix(const char *prefix, xmlNode *xml, char *buffer, int offset);
-void
-xml_log(int priority, const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- qb_log_from_external_source_va(__FUNCTION__, __FILE__, fmt, priority, __LINE__, 0, ap);
- va_end(ap);
-}
-
-typedef struct {
- xmlRelaxNGPtr rng;
- xmlRelaxNGValidCtxtPtr valid;
- xmlRelaxNGParserCtxtPtr parser;
-} relaxng_ctx_cache_t;
-
-struct schema_s {
- int type;
- float version;
- char *name;
- char *location;
- char *transform;
- int after_transform;
- void *cache;
-};
-
typedef struct {
int found;
const char *string;
} filter_t;
enum xml_private_flags {
xpf_none = 0x0000,
xpf_dirty = 0x0001,
xpf_deleted = 0x0002,
xpf_created = 0x0004,
xpf_modified = 0x0008,
xpf_tracking = 0x0010,
xpf_processed = 0x0020,
xpf_skip = 0x0040,
xpf_moved = 0x0080,
xpf_acl_enabled = 0x0100,
xpf_acl_read = 0x0200,
xpf_acl_write = 0x0400,
xpf_acl_deny = 0x0800,
xpf_acl_create = 0x1000,
xpf_acl_denied = 0x2000,
};
typedef struct xml_private_s
{
long check;
uint32_t flags;
char *user;
GListPtr acls;
GListPtr deleted_paths;
} xml_private_t;
typedef struct xml_acl_s {
enum xml_private_flags mode;
char *xpath;
} xml_acl_t;
/* *INDENT-OFF* */
static filter_t filter[] = {
{ 0, XML_ATTR_ORIGIN },
{ 0, XML_CIB_ATTR_WRITTEN },
{ 0, XML_ATTR_UPDATE_ORIG },
{ 0, XML_ATTR_UPDATE_CLIENT },
{ 0, XML_ATTR_UPDATE_USER },
};
/* *INDENT-ON* */
-static struct schema_s *known_schemas = NULL;
-static int xml_schema_max = 0;
-
static xmlNode *subtract_xml_comment(xmlNode * parent, xmlNode * left, xmlNode * right, gboolean * changed);
static xmlNode *find_xml_comment(xmlNode * root, xmlNode * search_comment);
static int add_xml_comment(xmlNode * parent, xmlNode * target, xmlNode * update);
static bool __xml_acl_check(xmlNode *xml, const char *name, enum xml_private_flags mode);
const char *__xml_acl_to_text(enum xml_private_flags flags);
-static int
-xml_latest_schema_index(void)
-{
- return xml_schema_max - 4;
-}
-
-static int
-xml_minimum_schema_index(void)
-{
- static int best = 0;
- if(best == 0) {
- int lpc = 0;
- float target = 0.0;
-
- best = xml_latest_schema_index();
- target = floor(known_schemas[best].version);
-
- for(lpc = best; lpc > 0; lpc--) {
- if(known_schemas[lpc].version < target) {
- return best;
- } else {
- best = lpc;
- }
- }
- best = xml_latest_schema_index();
- }
- return best;
-}
-
-const char *
-xml_latest_schema(void)
-{
- return get_schema_name(xml_latest_schema_index());
-}
-
#define CHUNK_SIZE 1024
static inline bool TRACKING_CHANGES(xmlNode *xml)
{
if(xml == NULL || xml->doc == NULL || xml->doc->_private == NULL) {
return FALSE;
} else if(is_set(((xml_private_t *)xml->doc->_private)->flags, xpf_tracking)) {
return TRUE;
}
return FALSE;
}
#define buffer_print(buffer, max, offset, fmt, args...) do { \
int rc = (max); \
if(buffer) { \
rc = snprintf((buffer) + (offset), (max) - (offset), fmt, ##args); \
} \
if(buffer && rc < 0) { \
crm_perror(LOG_ERR, "snprintf failed at offset %d", offset); \
(buffer)[(offset)] = 0; \
} else if(rc >= ((max) - (offset))) { \
char *tmp = NULL; \
(max) = QB_MAX(CHUNK_SIZE, (max) * 2); \
tmp = realloc_safe((buffer), (max) + 1); \
CRM_ASSERT(tmp); \
(buffer) = tmp; \
} else { \
offset += rc; \
break; \
} \
} while(1);
static void
insert_prefix(int options, char **buffer, int *offset, int *max, int depth)
{
if (options & xml_log_option_formatted) {
size_t spaces = 2 * depth;
if ((*buffer) == NULL || spaces >= ((*max) - (*offset))) {
(*max) = QB_MAX(CHUNK_SIZE, (*max) * 2);
(*buffer) = realloc_safe((*buffer), (*max) + 1);
}
memset((*buffer) + (*offset), ' ', spaces);
(*offset) += spaces;
}
}
-static const char *
-get_schema_root(void)
-{
- static const char *base = NULL;
-
- if (base == NULL) {
- base = getenv("PCMK_schema_directory");
- }
- if (base == NULL || strlen(base) == 0) {
- base = CRM_DTD_DIRECTORY;
- }
- return base;
-}
-
-static char *
-get_schema_path(const char *name, const char *file)
-{
- const char *base = get_schema_root();
-
- if(file) {
- return crm_strdup_printf("%s/%s", base, file);
- }
- return crm_strdup_printf("%s/%s.rng", base, name);
-}
-
-static int schema_filter(const struct dirent * a)
-{
- int rc = 0;
- float version = 0;
-
- if(strstr(a->d_name, "pacemaker-") != a->d_name) {
- /* crm_trace("%s - wrong prefix", a->d_name); */
-
- } else if (!crm_ends_with(a->d_name, ".rng")) {
- /* crm_trace("%s - wrong suffix", a->d_name); */
-
- } else if(sscanf(a->d_name, "pacemaker-%f.rng", &version) == 0) {
- /* crm_trace("%s - wrong format", a->d_name); */
-
- } else if(strcmp(a->d_name, "pacemaker-1.1.rng") == 0) {
- /* "-1.1" was used for what later became "-next" */
- /* crm_trace("%s - hack", a->d_name); */
-
- } else {
- /* crm_debug("%s - candidate", a->d_name); */
- rc = 1;
- }
-
- return rc;
-}
-
-static int schema_sort(const struct dirent ** a, const struct dirent **b)
-{
- int rc = 0;
- float a_version = 0.0;
- float b_version = 0.0;
-
- sscanf(a[0]->d_name, "pacemaker-%f.rng", &a_version);
- sscanf(b[0]->d_name, "pacemaker-%f.rng", &b_version);
-
- if(a_version > b_version) {
- rc = 1;
- } else if(a_version < b_version) {
- rc = -1;
- }
-
- /* crm_trace("%s (%f) vs. %s (%f) : %d", a[0]->d_name, a_version, b[0]->d_name, b_version, rc); */
- return rc;
-}
-
-static void __xml_schema_add(
- int type, float version, const char *name, const char *location, const char *transform, int after_transform)
-{
- int last = xml_schema_max;
-
- xml_schema_max++;
- known_schemas = realloc_safe(known_schemas, xml_schema_max*sizeof(struct schema_s));
- CRM_ASSERT(known_schemas != NULL);
- memset(known_schemas+last, 0, sizeof(struct schema_s));
- known_schemas[last].type = type;
- known_schemas[last].after_transform = after_transform;
-
- if(version > 0.0) {
- known_schemas[last].version = version;
- known_schemas[last].name = crm_strdup_printf("pacemaker-%.1f", version);
- known_schemas[last].location = crm_strdup_printf("%s.rng", known_schemas[last].name);
-
- } else {
- char dummy[1024];
- CRM_ASSERT(name);
- CRM_ASSERT(location);
- sscanf(name, "%[^-]-%f", dummy, &version);
- known_schemas[last].version = version;
- known_schemas[last].name = strdup(name);
- known_schemas[last].location = strdup(location);
- }
-
- if(transform) {
- known_schemas[last].transform = strdup(transform);
- }
- if(after_transform == 0) {
- after_transform = xml_schema_max; /* upgrade is a one-way */
- }
- known_schemas[last].after_transform = after_transform;
-
- if(known_schemas[last].after_transform < 0) {
- crm_debug("Added supported schema %d: %s (%s)",
- last, known_schemas[last].name, known_schemas[last].location);
-
- } else if(known_schemas[last].transform) {
- crm_debug("Added supported schema %d: %s (%s upgrades to %d with %s)",
- last, known_schemas[last].name, known_schemas[last].location,
- known_schemas[last].after_transform,
- known_schemas[last].transform);
-
- } else {
- crm_debug("Added supported schema %d: %s (%s upgrades to %d)",
- last, known_schemas[last].name, known_schemas[last].location,
- known_schemas[last].after_transform);
- }
-}
-
-
-static int __xml_build_schema_list(void)
-{
- int lpc, max;
- const char *base = get_schema_root();
- struct dirent **namelist = NULL;
-
- max = scandir(base, &namelist, schema_filter, schema_sort);
- __xml_schema_add(1, 0.0, "pacemaker-0.6", "crm.dtd", "upgrade06.xsl", 3);
- __xml_schema_add(1, 0.0, "transitional-0.6", "crm-transitional.dtd", "upgrade06.xsl", 3);
- __xml_schema_add(2, 0.0, "pacemaker-0.7", "pacemaker-1.0.rng", NULL, 0);
-
- if (max < 0) {
- crm_notice("scandir(%s) failed: %s (%d)", base, strerror(errno), errno);
-
- } else {
- for (lpc = 0; lpc < max; lpc++) {
- int next = 0;
- float version = 0.0;
- char *transform = NULL;
-
- sscanf(namelist[lpc]->d_name, "pacemaker-%f.rng", &version);
- if((lpc + 1) < max) {
- float next_version = 0.0;
-
- sscanf(namelist[lpc+1]->d_name, "pacemaker-%f.rng", &next_version);
-
- if(floor(version) < floor(next_version)) {
- struct stat s;
- char *xslt = NULL;
-
- transform = crm_strdup_printf("upgrade-%.1f.xsl", version);
- xslt = get_schema_path(NULL, transform);
- if(stat(xslt, &s) != 0) {
- crm_err("Transform %s not found", xslt);
- free(xslt);
- __xml_schema_add(2, version, NULL, NULL, NULL, -1);
- break;
- } else {
- free(xslt);
- }
- }
-
- } else {
- next = -1;
- }
- __xml_schema_add(2, version, NULL, NULL, transform, next);
- free(namelist[lpc]);
- free(transform);
- }
- }
-
- /* 1.1 was the old name for -next */
- __xml_schema_add(2, 0.0, "pacemaker-1.1", "pacemaker-next.rng", NULL, 0);
- __xml_schema_add(2, 0.0, "pacemaker-next", "pacemaker-next.rng", NULL, -1);
- __xml_schema_add(0, 0.0, "none", "N/A", NULL, -1);
- free(namelist);
- return TRUE;
-}
-
static void
set_parent_flag(xmlNode *xml, long flag)
{
for(; xml; xml = xml->parent) {
xml_private_t *p = xml->_private;
if(p == NULL) {
/* During calls to xmlDocCopyNode(), _private will be unset for parent nodes */
} else {
p->flags |= flag;
/* crm_trace("Setting flag %x due to %s[@id=%s]", flag, xml->name, ID(xml)); */
}
}
}
static void
set_doc_flag(xmlNode *xml, long flag)
{
if(xml && xml->doc && xml->doc->_private){
/* During calls to xmlDocCopyNode(), xml->doc may be unset */
xml_private_t *p = xml->doc->_private;
p->flags |= flag;
/* crm_trace("Setting flag %x due to %s[@id=%s]", flag, xml->name, ID(xml)); */
}
}
static void
__xml_node_dirty(xmlNode *xml)
{
set_doc_flag(xml, xpf_dirty);
set_parent_flag(xml, xpf_dirty);
}
static void
__xml_node_clean(xmlNode *xml)
{
xmlNode *cIter = NULL;
xml_private_t *p = xml->_private;
if(p) {
p->flags = 0;
}
for (cIter = __xml_first_child(xml); cIter != NULL; cIter = __xml_next(cIter)) {
__xml_node_clean(cIter);
}
}
static void
crm_node_created(xmlNode *xml)
{
xmlNode *cIter = NULL;
xml_private_t *p = xml->_private;
if(p && TRACKING_CHANGES(xml)) {
if(is_not_set(p->flags, xpf_created)) {
p->flags |= xpf_created;
__xml_node_dirty(xml);
}
for (cIter = __xml_first_child(xml); cIter != NULL; cIter = __xml_next(cIter)) {
crm_node_created(cIter);
}
}
}
static void
crm_attr_dirty(xmlAttr *a)
{
xmlNode *parent = a->parent;
xml_private_t *p = NULL;
p = a->_private;
p->flags |= (xpf_dirty|xpf_modified);
p->flags = (p->flags & ~xpf_deleted);
/* crm_trace("Setting flag %x due to %s[@id=%s, @%s=%s]", */
/* xpf_dirty, parent?parent->name:NULL, ID(parent), a->name, a->children->content); */
__xml_node_dirty(parent);
}
int get_tag_name(const char *input, size_t offset, size_t max);
int get_attr_name(const char *input, size_t offset, size_t max);
int get_attr_value(const char *input, size_t offset, size_t max);
gboolean can_prune_leaf(xmlNode * xml_node);
void diff_filter_context(int context, int upper_bound, int lower_bound,
xmlNode * xml_node, xmlNode * parent);
int in_upper_context(int depth, int context, xmlNode * xml_node);
int add_xml_object(xmlNode * parent, xmlNode * target, xmlNode * update, gboolean as_diff);
static inline const char *
crm_attr_value(xmlAttr * attr)
{
if (attr == NULL || attr->children == NULL) {
return NULL;
}
return (const char *)attr->children->content;
}
static inline xmlAttr *
crm_first_attr(xmlNode * xml)
{
if (xml == NULL) {
return NULL;
}
return xml->properties;
}
#define XML_PRIVATE_MAGIC (long) 0x81726354
static void
__xml_acl_free(void *data)
{
if(data) {
xml_acl_t *acl = data;
free(acl->xpath);
free(acl);
}
}
static void
__xml_private_clean(xml_private_t *p)
{
if(p) {
CRM_ASSERT(p->check == XML_PRIVATE_MAGIC);
free(p->user);
p->user = NULL;
if(p->acls) {
g_list_free_full(p->acls, __xml_acl_free);
p->acls = NULL;
}
if(p->deleted_paths) {
g_list_free_full(p->deleted_paths, free);
p->deleted_paths = NULL;
}
}
}
static void
__xml_private_free(xml_private_t *p)
{
__xml_private_clean(p);
free(p);
}
static void
pcmkDeregisterNode(xmlNodePtr node)
{
__xml_private_free(node->_private);
}
static void
pcmkRegisterNode(xmlNodePtr node)
{
xml_private_t *p = NULL;
switch(node->type) {
case XML_ELEMENT_NODE:
case XML_DOCUMENT_NODE:
case XML_ATTRIBUTE_NODE:
case XML_COMMENT_NODE:
p = calloc(1, sizeof(xml_private_t));
p->check = XML_PRIVATE_MAGIC;
/* Flags will be reset if necessary when tracking is enabled */
p->flags |= (xpf_dirty|xpf_created);
node->_private = p;
break;
case XML_TEXT_NODE:
case XML_DTD_NODE:
case XML_CDATA_SECTION_NODE:
break;
default:
/* Ignore */
crm_trace("Ignoring %p %d", node, node->type);
CRM_LOG_ASSERT(node->type == XML_ELEMENT_NODE);
break;
}
if(p && TRACKING_CHANGES(node)) {
/* XML_ELEMENT_NODE doesn't get picked up here, node->doc is
* not hooked up at the point we are called
*/
set_doc_flag(node, xpf_dirty);
__xml_node_dirty(node);
}
}
static xml_acl_t *
__xml_acl_create(xmlNode * xml, xmlNode *target, enum xml_private_flags mode)
{
xml_acl_t *acl = NULL;
xml_private_t *p = NULL;
const char *tag = crm_element_value(xml, XML_ACL_ATTR_TAG);
const char *ref = crm_element_value(xml, XML_ACL_ATTR_REF);
const char *xpath = crm_element_value(xml, XML_ACL_ATTR_XPATH);
if(tag == NULL) {
/* Compatibility handling for pacemaker < 1.1.12 */
tag = crm_element_value(xml, XML_ACL_ATTR_TAGv1);
}
if(ref == NULL) {
/* Compatibility handling for pacemaker < 1.1.12 */
ref = crm_element_value(xml, XML_ACL_ATTR_REFv1);
}
if(target == NULL || target->doc == NULL || target->doc->_private == NULL){
CRM_ASSERT(target);
CRM_ASSERT(target->doc);
CRM_ASSERT(target->doc->_private);
return NULL;
} else if (tag == NULL && ref == NULL && xpath == NULL) {
crm_trace("No criteria %p", xml);
return NULL;
}
p = target->doc->_private;
acl = calloc(1, sizeof(xml_acl_t));
if (acl) {
const char *attr = crm_element_value(xml, XML_ACL_ATTR_ATTRIBUTE);
acl->mode = mode;
if(xpath) {
acl->xpath = strdup(xpath);
crm_trace("Using xpath: %s", acl->xpath);
} else {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
if(tag) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "//%s", tag);
} else {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "//*");
}
if(ref || attr) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "[");
}
if(ref) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "@id='%s'", ref);
}
if(ref && attr) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, " and ");
}
if(attr) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "@%s", attr);
}
if(ref || attr) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "]");
}
CRM_LOG_ASSERT(offset > 0);
acl->xpath = strdup(buffer);
crm_trace("Built xpath: %s", acl->xpath);
}
p->acls = g_list_append(p->acls, acl);
}
return acl;
}
static gboolean
__xml_acl_parse_entry(xmlNode * acl_top, xmlNode * acl_entry, xmlNode *target)
{
xmlNode *child = NULL;
for (child = __xml_first_child(acl_entry); child; child = __xml_next(child)) {
const char *tag = crm_element_name(child);
const char *kind = crm_element_value(child, XML_ACL_ATTR_KIND);
if (strcmp(XML_ACL_TAG_PERMISSION, tag) == 0){
tag = kind;
}
crm_trace("Processing %s %p", tag, child);
if(tag == NULL) {
CRM_ASSERT(tag != NULL);
} else if (strcmp(XML_ACL_TAG_ROLE_REF, tag) == 0
|| strcmp(XML_ACL_TAG_ROLE_REFv1, tag) == 0) {
const char *ref_role = crm_element_value(child, XML_ATTR_ID);
if (ref_role) {
xmlNode *role = NULL;
for (role = __xml_first_child(acl_top); role; role = __xml_next(role)) {
if (strcmp(XML_ACL_TAG_ROLE, (const char *)role->name) == 0) {
const char *role_id = crm_element_value(role, XML_ATTR_ID);
if (role_id && strcmp(ref_role, role_id) == 0) {
crm_debug("Unpacking referenced role: %s", role_id);
__xml_acl_parse_entry(acl_top, role, target);
break;
}
}
}
}
} else if (strcmp(XML_ACL_TAG_READ, tag) == 0) {
__xml_acl_create(child, target, xpf_acl_read);
} else if (strcmp(XML_ACL_TAG_WRITE, tag) == 0) {
__xml_acl_create(child, target, xpf_acl_write);
} else if (strcmp(XML_ACL_TAG_DENY, tag) == 0) {
__xml_acl_create(child, target, xpf_acl_deny);
} else {
crm_warn("Unknown ACL entry: %s/%s", tag, kind);
}
}
return TRUE;
}
/*
<acls>
<acl_target id="l33t-haxor"><role id="auto-l33t-haxor"/></acl_target>
<acl_role id="auto-l33t-haxor">
<acl_permission id="crook-nothing" kind="deny" xpath="/cib"/>
</acl_role>
<acl_target id="niceguy">
<role id="observer"/>
</acl_target>
<acl_role id="observer">
<acl_permission id="observer-read-1" kind="read" xpath="/cib"/>
<acl_permission id="observer-write-1" kind="write" xpath="//nvpair[@name='stonith-enabled']"/>
<acl_permission id="observer-write-2" kind="write" xpath="//nvpair[@name='target-role']"/>
</acl_role>
<acl_target id="badidea"><role id="auto-badidea"/></acl_target>
<acl_role id="auto-badidea">
<acl_permission id="badidea-resources" kind="read" xpath="//meta_attributes"/>
<acl_permission id="badidea-resources-2" kind="deny" reference="dummy-meta_attributes"/>
</acl_role>
</acls>
*/
const char *
__xml_acl_to_text(enum xml_private_flags flags)
{
if(is_set(flags, xpf_acl_deny)) {
return "deny";
}
if(is_set(flags, xpf_acl_write)) {
return "read/write";
}
if(is_set(flags, xpf_acl_read)) {
return "read";
}
return "none";
}
static void
__xml_acl_apply(xmlNode *xml)
{
GListPtr aIter = NULL;
xml_private_t *p = NULL;
xmlXPathObjectPtr xpathObj = NULL;
if(xml_acl_enabled(xml) == FALSE) {
p = xml->doc->_private;
crm_trace("Not applying ACLs for %s", p->user);
return;
}
p = xml->doc->_private;
for(aIter = p->acls; aIter != NULL; aIter = aIter->next) {
int max = 0, lpc = 0;
xml_acl_t *acl = aIter->data;
xpathObj = xpath_search(xml, acl->xpath);
max = numXpathResults(xpathObj);
for(lpc = 0; lpc < max; lpc++) {
xmlNode *match = getXpathResult(xpathObj, lpc);
char *path = xml_get_path(match);
p = match->_private;
crm_trace("Applying %x to %s for %s", acl->mode, path, acl->xpath);
#ifdef SUSE_ACL_COMPAT
if(is_not_set(p->flags, acl->mode)) {
if(is_set(p->flags, xpf_acl_read)
|| is_set(p->flags, xpf_acl_write)
|| is_set(p->flags, xpf_acl_deny)) {
crm_config_warn("Configuration element %s is matched by multiple ACL rules, only the first applies ('%s' wins over '%s')",
path, __xml_acl_to_text(p->flags), __xml_acl_to_text(acl->mode));
free(path);
continue;
}
}
#endif
p->flags |= acl->mode;
free(path);
}
crm_trace("Now enforcing ACL: %s (%d matches)", acl->xpath, max);
freeXpathObject(xpathObj);
}
p = xml->_private;
if(is_not_set(p->flags, xpf_acl_read) && is_not_set(p->flags, xpf_acl_write)) {
p->flags |= xpf_acl_deny;
p = xml->doc->_private;
crm_info("Enforcing default ACL for %s to %s", p->user, crm_element_name(xml));
}
}
static void
__xml_acl_unpack(xmlNode *source, xmlNode *target, const char *user)
{
#if ENABLE_ACL
xml_private_t *p = NULL;
if(target == NULL || target->doc == NULL || target->doc->_private == NULL) {
return;
}
p = target->doc->_private;
if(pcmk_acl_required(user) == FALSE) {
crm_trace("no acls needed for '%s'", user);
} else if(p->acls == NULL) {
xmlNode *acls = get_xpath_object("//"XML_CIB_TAG_ACLS, source, LOG_TRACE);
free(p->user);
p->user = strdup(user);
if(acls) {
xmlNode *child = NULL;
for (child = __xml_first_child(acls); child; child = __xml_next(child)) {
const char *tag = crm_element_name(child);
if (strcmp(tag, XML_ACL_TAG_USER) == 0 || strcmp(tag, XML_ACL_TAG_USERv1) == 0) {
const char *id = crm_element_value(child, XML_ATTR_ID);
if(id && strcmp(id, user) == 0) {
crm_debug("Unpacking ACLs for %s", id);
__xml_acl_parse_entry(acls, child, target);
}
}
}
}
}
#endif
}
static inline bool
__xml_acl_mode_test(enum xml_private_flags allowed, enum xml_private_flags requested)
{
if(is_set(allowed, xpf_acl_deny)) {
return FALSE;
} else if(is_set(allowed, requested)) {
return TRUE;
} else if(is_set(requested, xpf_acl_read) && is_set(allowed, xpf_acl_write)) {
return TRUE;
} else if(is_set(requested, xpf_acl_create) && is_set(allowed, xpf_acl_write)) {
return TRUE;
} else if(is_set(requested, xpf_acl_create) && is_set(allowed, xpf_created)) {
return TRUE;
}
return FALSE;
}
/* rc = TRUE if orig_cib has been filtered
* That means '*result' rather than 'xml' should be exploited afterwards
*/
static bool
__xml_purge_attributes(xmlNode *xml)
{
xmlNode *child = NULL;
xmlAttr *xIter = NULL;
bool readable_children = FALSE;
xml_private_t *p = xml->_private;
if(__xml_acl_mode_test(p->flags, xpf_acl_read)) {
crm_trace("%s[@id=%s] is readable", crm_element_name(xml), ID(xml));
return TRUE;
}
xIter = crm_first_attr(xml);
while(xIter != NULL) {
xmlAttr *tmp = xIter;
const char *prop_name = (const char *)xIter->name;
xIter = xIter->next;
if (strcmp(prop_name, XML_ATTR_ID) == 0) {
continue;
}
xmlUnsetProp(xml, tmp->name);
}
child = __xml_first_child(xml);
while ( child != NULL ) {
xmlNode *tmp = child;
child = __xml_next(child);
readable_children |= __xml_purge_attributes(tmp);
}
if(readable_children == FALSE) {
free_xml(xml); /* Nothing readable under here, purge completely */
}
return readable_children;
}
bool
xml_acl_filtered_copy(const char *user, xmlNode* acl_source, xmlNode *xml, xmlNode ** result)
{
GListPtr aIter = NULL;
xmlNode *target = NULL;
xml_private_t *p = NULL;
xml_private_t *doc = NULL;
*result = NULL;
if(xml == NULL || pcmk_acl_required(user) == FALSE) {
crm_trace("no acls needed for '%s'", user);
return FALSE;
}
crm_trace("filtering copy of %p for '%s'", xml, user);
target = copy_xml(xml);
if(target == NULL) {
return TRUE;
}
__xml_acl_unpack(acl_source, target, user);
set_doc_flag(target, xpf_acl_enabled);
__xml_acl_apply(target);
doc = target->doc->_private;
for(aIter = doc->acls; aIter != NULL && target; aIter = aIter->next) {
int max = 0;
xml_acl_t *acl = aIter->data;
if(acl->mode != xpf_acl_deny) {
/* Nothing to do */
} else if(acl->xpath) {
int lpc = 0;
xmlXPathObjectPtr xpathObj = xpath_search(target, acl->xpath);
max = numXpathResults(xpathObj);
for(lpc = 0; lpc < max; lpc++) {
xmlNode *match = getXpathResult(xpathObj, lpc);
crm_trace("Purging attributes from %s", acl->xpath);
if(__xml_purge_attributes(match) == FALSE && match == target) {
crm_trace("No access to the entire document for %s", user);
freeXpathObject(xpathObj);
return TRUE;
}
}
crm_trace("Enforced ACL %s (%d matches)", acl->xpath, max);
freeXpathObject(xpathObj);
}
}
p = target->_private;
if(is_set(p->flags, xpf_acl_deny) && __xml_purge_attributes(target) == FALSE) {
crm_trace("No access to the entire document for %s", user);
return TRUE;
}
if(doc->acls) {
g_list_free_full(doc->acls, __xml_acl_free);
doc->acls = NULL;
} else {
crm_trace("Ordinary user '%s' cannot access the CIB without any defined ACLs", doc->user);
free_xml(target);
target = NULL;
}
if(target) {
*result = target;
}
return TRUE;
}
static void
__xml_acl_post_process(xmlNode * xml)
{
xmlNode *cIter = __xml_first_child(xml);
xml_private_t *p = xml->_private;
if(is_set(p->flags, xpf_created)) {
xmlAttr *xIter = NULL;
char *path = xml_get_path(xml);
/* Always allow new scaffolding, ie. node with no attributes or only an 'id'
* Except in the ACLs section
*/
for (xIter = crm_first_attr(xml); xIter != NULL; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
if (strcmp(prop_name, XML_ATTR_ID) == 0 && strstr(path, "/"XML_CIB_TAG_ACLS"/") == NULL) {
/* Delay the acl check */
continue;
} else if(__xml_acl_check(xml, NULL, xpf_acl_write)) {
crm_trace("Creation of %s=%s is allowed", crm_element_name(xml), ID(xml));
break;
} else {
crm_trace("Cannot add new node %s at %s", crm_element_name(xml), path);
if(xml != xmlDocGetRootElement(xml->doc)) {
xmlUnlinkNode(xml);
xmlFreeNode(xml);
}
free(path);
return;
}
}
free(path);
}
while (cIter != NULL) {
xmlNode *child = cIter;
cIter = __xml_next(cIter); /* In case it is free'd */
__xml_acl_post_process(child);
}
}
bool
xml_acl_denied(xmlNode *xml)
{
if(xml && xml->doc && xml->doc->_private){
xml_private_t *p = xml->doc->_private;
return is_set(p->flags, xpf_acl_denied);
}
return FALSE;
}
void
xml_acl_disable(xmlNode *xml)
{
if(xml_acl_enabled(xml)) {
xml_private_t *p = xml->doc->_private;
/* Catch anything that was created but shouldn't have been */
__xml_acl_apply(xml);
__xml_acl_post_process(xml);
clear_bit(p->flags, xpf_acl_enabled);
}
}
bool
xml_acl_enabled(xmlNode *xml)
{
if(xml && xml->doc && xml->doc->_private){
xml_private_t *p = xml->doc->_private;
return is_set(p->flags, xpf_acl_enabled);
}
return FALSE;
}
void
xml_track_changes(xmlNode * xml, const char *user, xmlNode *acl_source, bool enforce_acls)
{
xml_accept_changes(xml);
crm_trace("Tracking changes%s to %p", enforce_acls?" with ACLs":"", xml);
set_doc_flag(xml, xpf_tracking);
if(enforce_acls) {
if(acl_source == NULL) {
acl_source = xml;
}
set_doc_flag(xml, xpf_acl_enabled);
__xml_acl_unpack(acl_source, xml, user);
__xml_acl_apply(xml);
}
}
bool xml_tracking_changes(xmlNode * xml)
{
if(xml == NULL) {
return FALSE;
} else if(is_set(((xml_private_t *)xml->doc->_private)->flags, xpf_tracking)) {
return TRUE;
}
return FALSE;
}
bool xml_document_dirty(xmlNode *xml)
{
if(xml != NULL && xml->doc && xml->doc->_private) {
xml_private_t *doc = xml->doc->_private;
return is_set(doc->flags, xpf_dirty);
}
return FALSE;
}
/*
<diff format="2.0">
<version>
<source admin_epoch="1" epoch="2" num_updates="3"/>
<target admin_epoch="1" epoch="3" num_updates="0"/>
</version>
<change operation="add" xpath="/cib/configuration/nodes">
<node id="node2" uname="node2" description="foo"/>
</change>
<change operation="add" xpath="/cib/configuration/nodes/node[node2]">
<instance_attributes id="nodes-node"><!-- NOTE: can be a full tree -->
<nvpair id="nodes-node2-ram" name="ram" value="1024M"/>
</instance_attributes>
</change>
<change operation="update" xpath="/cib/configuration/nodes[@id='node2']">
<change-list>
<change-attr operation="set" name="type" value="member"/>
<change-attr operation="unset" name="description"/>
</change-list>
<change-result>
<node id="node2" uname="node2" type="member"/><!-- NOTE: not recursive -->
</change-result>
</change>
<change operation="delete" xpath="/cib/configuration/nodes/node[@id='node3'] /">
<change operation="update" xpath="/cib/configuration/resources/group[@id='g1']">
<change-list>
<change-attr operation="set" name="description" value="some grabage here"/>
</change-list>
<change-result>
<group id="g1" description="some grabage here"/><!-- NOTE: not recursive -->
</change-result>
</change>
<change operation="update" xpath="/cib/status/node_state[@id='node2]/lrm[@id='node2']/lrm_resources/lrm_resource[@id='Fence']">
<change-list>
<change-attr operation="set" name="oper" value="member"/>
<change-attr operation="set" name="operation_key" value="Fence_start_0"/>
<change-attr operation="set" name="operation" value="start"/>
<change-attr operation="set" name="transition-key" value="2:-1:0:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"/>
<change-attr operation="set" name="transition-magic" value="0:0;2:-1:0:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"/>
<change-attr operation="set" name="call-id" value="2"/>
<change-attr operation="set" name="rc-code" value="0"/>
</change-list>
<change-result>
<lrm_rsc_op id="Fence_last_0" operation_key="Fence_start_0" operation="start" crm-debug-origin="crm_simulate" transition-key="2:-1:0:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" transition-magic="0:0;2:-1:0:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" call-id="2" rc-code="0" op-status="0" interval="0" exec-time="0" queue-time="0" op-digest="f2317cad3d54cec5d7d7aa7d0bf35cf8"/>
</change-result>
</change>
</diff>
*/
static int __xml_offset(xmlNode *xml)
{
int position = 0;
xmlNode *cIter = NULL;
for(cIter = xml; cIter->prev; cIter = cIter->prev) {
xml_private_t *p = ((xmlNode*)cIter->prev)->_private;
if(is_not_set(p->flags, xpf_skip)) {
position++;
}
}
return position;
}
static int __xml_offset_no_deletions(xmlNode *xml)
{
int position = 0;
xmlNode *cIter = NULL;
for(cIter = xml; cIter->prev; cIter = cIter->prev) {
xml_private_t *p = ((xmlNode*)cIter->prev)->_private;
if(is_not_set(p->flags, xpf_deleted)) {
position++;
}
}
return position;
}
static void
__xml_build_changes(xmlNode * xml, xmlNode *patchset)
{
xmlNode *cIter = NULL;
xmlAttr *pIter = NULL;
xmlNode *change = NULL;
xml_private_t *p = xml->_private;
if(patchset && is_set(p->flags, xpf_created)) {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
if(__get_prefix(NULL, xml->parent, buffer, offset) > 0) {
int position = __xml_offset_no_deletions(xml);
change = create_xml_node(patchset, XML_DIFF_CHANGE);
crm_xml_add(change, XML_DIFF_OP, "create");
crm_xml_add(change, XML_DIFF_PATH, buffer);
crm_xml_add_int(change, XML_DIFF_POSITION, position);
add_node_copy(change, xml);
}
return;
}
for (pIter = crm_first_attr(xml); pIter != NULL; pIter = pIter->next) {
xmlNode *attr = NULL;
p = pIter->_private;
if(is_not_set(p->flags, xpf_deleted) && is_not_set(p->flags, xpf_dirty)) {
continue;
}
if(change == NULL) {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
if(__get_prefix(NULL, xml, buffer, offset) > 0) {
change = create_xml_node(patchset, XML_DIFF_CHANGE);
crm_xml_add(change, XML_DIFF_OP, "modify");
crm_xml_add(change, XML_DIFF_PATH, buffer);
change = create_xml_node(change, XML_DIFF_LIST);
}
}
attr = create_xml_node(change, XML_DIFF_ATTR);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, (const char *)pIter->name);
if(p->flags & xpf_deleted) {
crm_xml_add(attr, XML_DIFF_OP, "unset");
} else {
const char *value = crm_element_value(xml, (const char *)pIter->name);
crm_xml_add(attr, XML_DIFF_OP, "set");
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, value);
}
}
if(change) {
xmlNode *result = NULL;
change = create_xml_node(change->parent, XML_DIFF_RESULT);
result = create_xml_node(change, (const char *)xml->name);
for (pIter = crm_first_attr(xml); pIter != NULL; pIter = pIter->next) {
const char *value = crm_element_value(xml, (const char *)pIter->name);
p = pIter->_private;
if (is_not_set(p->flags, xpf_deleted)) {
crm_xml_add(result, (const char *)pIter->name, value);
}
}
}
for (cIter = __xml_first_child(xml); cIter != NULL; cIter = __xml_next(cIter)) {
__xml_build_changes(cIter, patchset);
}
p = xml->_private;
if(patchset && is_set(p->flags, xpf_moved)) {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
crm_trace("%s.%s moved to position %d", xml->name, ID(xml), __xml_offset(xml));
if(__get_prefix(NULL, xml, buffer, offset) > 0) {
change = create_xml_node(patchset, XML_DIFF_CHANGE);
crm_xml_add(change, XML_DIFF_OP, "move");
crm_xml_add(change, XML_DIFF_PATH, buffer);
crm_xml_add_int(change, XML_DIFF_POSITION, __xml_offset_no_deletions(xml));
}
}
}
static void
__xml_accept_changes(xmlNode * xml)
{
xmlNode *cIter = NULL;
xmlAttr *pIter = NULL;
xml_private_t *p = xml->_private;
p->flags = xpf_none;
pIter = crm_first_attr(xml);
while (pIter != NULL) {
const xmlChar *name = pIter->name;
p = pIter->_private;
pIter = pIter->next;
if(p->flags & xpf_deleted) {
xml_remove_prop(xml, (const char *)name);
} else {
p->flags = xpf_none;
}
}
for (cIter = __xml_first_child(xml); cIter != NULL; cIter = __xml_next(cIter)) {
__xml_accept_changes(cIter);
}
}
static bool
is_config_change(xmlNode *xml)
{
GListPtr gIter = NULL;
xml_private_t *p = NULL;
xmlNode *config = first_named_child(xml, XML_CIB_TAG_CONFIGURATION);
if(config) {
p = config->_private;
}
if(p && is_set(p->flags, xpf_dirty)) {
return TRUE;
}
if(xml->doc && xml->doc->_private) {
p = xml->doc->_private;
for(gIter = p->deleted_paths; gIter; gIter = gIter->next) {
char *path = gIter->data;
if(strstr(path, "/"XML_TAG_CIB"/"XML_CIB_TAG_CONFIGURATION) != NULL) {
return TRUE;
}
}
}
return FALSE;
}
static void
xml_repair_v1_diff(xmlNode * last, xmlNode * next, xmlNode * local_diff, gboolean changed)
{
int lpc = 0;
xmlNode *cib = NULL;
xmlNode *diff_child = NULL;
const char *tag = NULL;
const char *vfields[] = {
XML_ATTR_GENERATION_ADMIN,
XML_ATTR_GENERATION,
XML_ATTR_NUMUPDATES,
};
if (local_diff == NULL) {
crm_trace("Nothing to do");
return;
}
tag = "diff-removed";
diff_child = find_xml_node(local_diff, tag, FALSE);
if (diff_child == NULL) {
diff_child = create_xml_node(local_diff, tag);
}
tag = XML_TAG_CIB;
cib = find_xml_node(diff_child, tag, FALSE);
if (cib == NULL) {
cib = create_xml_node(diff_child, tag);
}
for(lpc = 0; last && lpc < DIMOF(vfields); lpc++){
const char *value = crm_element_value(last, vfields[lpc]);
crm_xml_add(diff_child, vfields[lpc], value);
if(changed || lpc == 2) {
crm_xml_add(cib, vfields[lpc], value);
}
}
tag = "diff-added";
diff_child = find_xml_node(local_diff, tag, FALSE);
if (diff_child == NULL) {
diff_child = create_xml_node(local_diff, tag);
}
tag = XML_TAG_CIB;
cib = find_xml_node(diff_child, tag, FALSE);
if (cib == NULL) {
cib = create_xml_node(diff_child, tag);
}
for(lpc = 0; next && lpc < DIMOF(vfields); lpc++){
const char *value = crm_element_value(next, vfields[lpc]);
crm_xml_add(diff_child, vfields[lpc], value);
}
if (next) {
xmlAttrPtr xIter = NULL;
for (xIter = next->properties; xIter; xIter = xIter->next) {
const char *p_name = (const char *)xIter->name;
const char *p_value = crm_element_value(next, p_name);
xmlSetProp(cib, (const xmlChar *)p_name, (const xmlChar *)p_value);
}
}
crm_log_xml_explicit(local_diff, "Repaired-diff");
}
static xmlNode *
xml_create_patchset_v1(xmlNode *source, xmlNode *target, bool config, bool suppress)
{
xmlNode *patchset = diff_xml_object(source, target, suppress);
if(patchset) {
CRM_LOG_ASSERT(xml_document_dirty(target));
xml_repair_v1_diff(source, target, patchset, config);
crm_xml_add(patchset, "format", "1");
}
return patchset;
}
static xmlNode *
xml_create_patchset_v2(xmlNode *source, xmlNode *target)
{
int lpc = 0;
GListPtr gIter = NULL;
xml_private_t *doc = NULL;
xmlNode *v = NULL;
xmlNode *version = NULL;
xmlNode *patchset = NULL;
const char *vfields[] = {
XML_ATTR_GENERATION_ADMIN,
XML_ATTR_GENERATION,
XML_ATTR_NUMUPDATES,
};
CRM_ASSERT(target);
if(xml_document_dirty(target) == FALSE) {
return NULL;
}
CRM_ASSERT(target->doc);
doc = target->doc->_private;
patchset = create_xml_node(NULL, XML_TAG_DIFF);
crm_xml_add_int(patchset, "format", 2);
version = create_xml_node(patchset, XML_DIFF_VERSION);
v = create_xml_node(version, XML_DIFF_VSOURCE);
for(lpc = 0; lpc < DIMOF(vfields); lpc++){
const char *value = crm_element_value(source, vfields[lpc]);
if(value == NULL) {
value = "1";
}
crm_xml_add(v, vfields[lpc], value);
}
v = create_xml_node(version, XML_DIFF_VTARGET);
for(lpc = 0; lpc < DIMOF(vfields); lpc++){
const char *value = crm_element_value(target, vfields[lpc]);
if(value == NULL) {
value = "1";
}
crm_xml_add(v, vfields[lpc], value);
}
for(gIter = doc->deleted_paths; gIter; gIter = gIter->next) {
xmlNode *change = create_xml_node(patchset, XML_DIFF_CHANGE);
crm_xml_add(change, XML_DIFF_OP, "delete");
crm_xml_add(change, XML_DIFF_PATH, gIter->data);
}
__xml_build_changes(target, patchset);
return patchset;
}
static gboolean patch_legacy_mode(void)
{
static gboolean init = TRUE;
static gboolean legacy = FALSE;
if(init) {
init = FALSE;
legacy = daemon_option_enabled("cib", "legacy");
if(legacy) {
crm_notice("Enabled legacy mode");
}
}
return legacy;
}
xmlNode *
xml_create_patchset(int format, xmlNode *source, xmlNode *target, bool *config_changed, bool manage_version)
{
int counter = 0;
bool config = FALSE;
xmlNode *patch = NULL;
const char *version = crm_element_value(source, XML_ATTR_CRM_VERSION);
xml_acl_disable(target);
if(xml_document_dirty(target) == FALSE) {
crm_trace("No change %d", format);
return NULL; /* No change */
}
config = is_config_change(target);
if(config_changed) {
*config_changed = config;
}
if(manage_version && config) {
crm_trace("Config changed %d", format);
crm_xml_add(target, XML_ATTR_NUMUPDATES, "0");
crm_element_value_int(target, XML_ATTR_GENERATION, &counter);
crm_xml_add_int(target, XML_ATTR_GENERATION, counter+1);
} else if(manage_version) {
crm_element_value_int(target, XML_ATTR_NUMUPDATES, &counter);
crm_trace("Status changed %d - %d %s", format, counter, crm_element_value(source, XML_ATTR_NUMUPDATES));
crm_xml_add_int(target, XML_ATTR_NUMUPDATES, counter+1);
}
if(format == 0) {
if(patch_legacy_mode()) {
format = 1;
} else if(compare_version("3.0.8", version) < 0) {
format = 2;
} else {
format = 1;
}
crm_trace("Using patch format %d for version: %s", format, version);
}
switch(format) {
case 1:
patch = xml_create_patchset_v1(source, target, config, FALSE);
break;
case 2:
patch = xml_create_patchset_v2(source, target);
break;
default:
crm_err("Unknown patch format: %d", format);
return NULL;
}
return patch;
}
void
patchset_process_digest(xmlNode *patch, xmlNode *source, xmlNode *target, bool with_digest)
{
int format = 1;
const char *version = NULL;
char *digest = NULL;
if (patch == NULL || source == NULL || target == NULL) {
return;
}
/* NOTE: We should always call xml_accept_changes() before calculating digest. */
/* Otherwise, with an on-tracking dirty target, we could get a wrong digest. */
CRM_LOG_ASSERT(xml_document_dirty(target) == FALSE);
crm_element_value_int(patch, "format", &format);
if (format > 1 && with_digest == FALSE) {
return;
}
version = crm_element_value(source, XML_ATTR_CRM_VERSION);
digest = calculate_xml_versioned_digest(target, FALSE, TRUE, version);
crm_xml_add(patch, XML_ATTR_DIGEST, digest);
free(digest);
return;
}
static void
__xml_log_element(int log_level, const char *file, const char *function, int line,
const char *prefix, xmlNode * data, int depth, int options);
void
xml_log_patchset(uint8_t log_level, const char *function, xmlNode * patchset)
{
int format = 1;
xmlNode *child = NULL;
xmlNode *added = NULL;
xmlNode *removed = NULL;
gboolean is_first = TRUE;
int add[] = { 0, 0, 0 };
int del[] = { 0, 0, 0 };
const char *fmt = NULL;
const char *digest = NULL;
int options = xml_log_option_formatted;
static struct qb_log_callsite *patchset_cs = NULL;
if (patchset_cs == NULL) {
patchset_cs = qb_log_callsite_get(function, __FILE__, "xml-patchset", log_level, __LINE__, 0);
}
if (patchset == NULL) {
crm_trace("Empty patch");
return;
} else if (log_level == 0) {
/* Log to stdout */
} else if (crm_is_callsite_active(patchset_cs, log_level, 0) == FALSE) {
return;
}
xml_patch_versions(patchset, add, del);
fmt = crm_element_value(patchset, "format");
digest = crm_element_value(patchset, XML_ATTR_DIGEST);
if (add[2] != del[2] || add[1] != del[1] || add[0] != del[0]) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__,
"Diff: --- %d.%d.%d %s", del[0], del[1], del[2], fmt);
do_crm_log_alias(log_level, __FILE__, function, __LINE__,
"Diff: +++ %d.%d.%d %s", add[0], add[1], add[2], digest);
} else if (patchset != NULL && (add[0] || add[1] || add[2])) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__,
"%s: Local-only Change: %d.%d.%d", function ? function : "",
add[0], add[1], add[2]);
}
crm_element_value_int(patchset, "format", &format);
if(format == 2) {
xmlNode *change = NULL;
for (change = __xml_first_child(patchset); change != NULL; change = __xml_next(change)) {
const char *op = crm_element_value(change, XML_DIFF_OP);
const char *xpath = crm_element_value(change, XML_DIFF_PATH);
if(op == NULL) {
} else if(strcmp(op, "create") == 0) {
int lpc = 0, max = 0;
char *prefix = crm_strdup_printf("++ %s: ", xpath);
max = strlen(prefix);
__xml_log_element(log_level, __FILE__, function, __LINE__, prefix, change->children,
0, xml_log_option_formatted|xml_log_option_open);
for(lpc = 2; lpc < max; lpc++) {
prefix[lpc] = ' ';
}
__xml_log_element(log_level, __FILE__, function, __LINE__, prefix, change->children,
0, xml_log_option_formatted|xml_log_option_close|xml_log_option_children);
free(prefix);
} else if(strcmp(op, "move") == 0) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, "+~ %s moved to offset %s", xpath, crm_element_value(change, XML_DIFF_POSITION));
} else if(strcmp(op, "modify") == 0) {
xmlNode *clist = first_named_child(change, XML_DIFF_LIST);
char buffer_set[XML_BUFFER_SIZE];
char buffer_unset[XML_BUFFER_SIZE];
int o_set = 0;
int o_unset = 0;
buffer_set[0] = 0;
buffer_unset[0] = 0;
for (child = __xml_first_child(clist); child != NULL; child = __xml_next(child)) {
const char *name = crm_element_value(child, "name");
op = crm_element_value(child, XML_DIFF_OP);
if(op == NULL) {
} else if(strcmp(op, "set") == 0) {
const char *value = crm_element_value(child, "value");
if(o_set > 0) {
o_set += snprintf(buffer_set + o_set, XML_BUFFER_SIZE - o_set, ", ");
}
o_set += snprintf(buffer_set + o_set, XML_BUFFER_SIZE - o_set, "@%s=%s", name, value);
} else if(strcmp(op, "unset") == 0) {
if(o_unset > 0) {
o_unset += snprintf(buffer_unset + o_unset, XML_BUFFER_SIZE - o_unset, ", ");
}
o_unset += snprintf(buffer_unset + o_unset, XML_BUFFER_SIZE - o_unset, "@%s", name);
}
}
if(o_set) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, "+ %s: %s", xpath, buffer_set);
}
if(o_unset) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, "-- %s: %s", xpath, buffer_unset);
}
} else if(strcmp(op, "delete") == 0) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, "-- %s", xpath);
}
}
return;
}
if (log_level < LOG_DEBUG || function == NULL) {
options |= xml_log_option_diff_short;
}
removed = find_xml_node(patchset, "diff-removed", FALSE);
for (child = __xml_first_child(removed); child != NULL; child = __xml_next(child)) {
log_data_element(log_level, __FILE__, function, __LINE__, "- ", child, 0,
options | xml_log_option_diff_minus);
if (is_first) {
is_first = FALSE;
} else {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, " --- ");
}
}
is_first = TRUE;
added = find_xml_node(patchset, "diff-added", FALSE);
for (child = __xml_first_child(added); child != NULL; child = __xml_next(child)) {
log_data_element(log_level, __FILE__, function, __LINE__, "+ ", child, 0,
options | xml_log_option_diff_plus);
if (is_first) {
is_first = FALSE;
} else {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, " +++ ");
}
}
}
void
xml_log_changes(uint8_t log_level, const char *function, xmlNode * xml)
{
GListPtr gIter = NULL;
xml_private_t *doc = NULL;
CRM_ASSERT(xml);
CRM_ASSERT(xml->doc);
doc = xml->doc->_private;
if(is_not_set(doc->flags, xpf_dirty)) {
return;
}
for(gIter = doc->deleted_paths; gIter; gIter = gIter->next) {
do_crm_log_alias(log_level, __FILE__, function, __LINE__, "-- %s", (char*)gIter->data);
}
log_data_element(log_level, __FILE__, function, __LINE__, "+ ", xml, 0,
xml_log_option_formatted|xml_log_option_dirty_add);
}
void
xml_accept_changes(xmlNode * xml)
{
xmlNode *top = NULL;
xml_private_t *doc = NULL;
if(xml == NULL) {
return;
}
crm_trace("Accepting changes to %p", xml);
doc = xml->doc->_private;
top = xmlDocGetRootElement(xml->doc);
__xml_private_clean(xml->doc->_private);
if(is_not_set(doc->flags, xpf_dirty)) {
doc->flags = xpf_none;
return;
}
doc->flags = xpf_none;
__xml_accept_changes(top);
}
static xmlNode *
find_element(xmlNode *haystack, xmlNode *needle)
{
CRM_CHECK(needle != NULL, return NULL);
return (needle->type == XML_COMMENT_NODE)?
find_xml_comment(haystack, needle)
: find_entity(haystack, crm_element_name(needle), ID(needle));
}
/* Simplified version for applying v1-style XML patches */
static void
__subtract_xml_object(xmlNode * target, xmlNode * patch)
{
xmlNode *patch_child = NULL;
xmlNode *cIter = NULL;
xmlAttrPtr xIter = NULL;
char *id = NULL;
const char *name = NULL;
const char *value = NULL;
if (target == NULL || patch == NULL) {
return;
}
if (target->type == XML_COMMENT_NODE) {
gboolean dummy;
subtract_xml_comment(target->parent, target, patch, &dummy);
}
name = crm_element_name(target);
CRM_CHECK(name != NULL, return);
CRM_CHECK(safe_str_eq(crm_element_name(target), crm_element_name(patch)), return);
CRM_CHECK(safe_str_eq(ID(target), ID(patch)), return);
/* check for XML_DIFF_MARKER in a child */
id = crm_element_value_copy(target, XML_ATTR_ID);
value = crm_element_value(patch, XML_DIFF_MARKER);
if (value != NULL && strcmp(value, "removed:top") == 0) {
crm_trace("We are the root of the deletion: %s.id=%s", name, id);
free_xml(target);
free(id);
return;
}
for (xIter = crm_first_attr(patch); xIter != NULL; xIter = xIter->next) {
const char *p_name = (const char *)xIter->name;
/* Removing and then restoring the id field would change the ordering of properties */
if (safe_str_neq(p_name, XML_ATTR_ID)) {
xml_remove_prop(target, p_name);
}
}
/* changes to child objects */
cIter = __xml_first_child(target);
while (cIter) {
xmlNode *target_child = cIter;
cIter = __xml_next(cIter);
patch_child = find_element(patch, target_child);
__subtract_xml_object(target_child, patch_child);
}
free(id);
}
static void
__add_xml_object(xmlNode * parent, xmlNode * target, xmlNode * patch)
{
xmlNode *patch_child = NULL;
xmlNode *target_child = NULL;
xmlAttrPtr xIter = NULL;
const char *id = NULL;
const char *name = NULL;
const char *value = NULL;
if (patch == NULL) {
return;
} else if (parent == NULL && target == NULL) {
return;
}
/* check for XML_DIFF_MARKER in a child */
value = crm_element_value(patch, XML_DIFF_MARKER);
if (target == NULL
&& value != NULL
&& strcmp(value, "added:top") == 0) {
id = ID(patch);
name = crm_element_name(patch);
crm_trace("We are the root of the addition: %s.id=%s", name, id);
add_node_copy(parent, patch);
return;
} else if(target == NULL) {
id = ID(patch);
name = crm_element_name(patch);
crm_err("Could not locate: %s.id=%s", name, id);
return;
}
if (target->type == XML_COMMENT_NODE) {
add_xml_comment(parent, target, patch);
}
name = crm_element_name(target);
CRM_CHECK(name != NULL, return);
CRM_CHECK(safe_str_eq(crm_element_name(target), crm_element_name(patch)), return);
CRM_CHECK(safe_str_eq(ID(target), ID(patch)), return);
for (xIter = crm_first_attr(patch); xIter != NULL; xIter = xIter->next) {
const char *p_name = (const char *)xIter->name;
const char *p_value = crm_element_value(patch, p_name);
xml_remove_prop(target, p_name); /* Preserve the patch order */
crm_xml_add(target, p_name, p_value);
}
/* changes to child objects */
for (patch_child = __xml_first_child(patch); patch_child != NULL;
patch_child = __xml_next(patch_child)) {
target_child = find_element(target, patch_child);
__add_xml_object(target, target_child, patch_child);
}
}
/*!
* \internal
* \brief Find additions or removals in a patch set
*
* \param[in] patchset XML of patch
* \param[in] format Patch version
* \param[in] added TRUE if looking for additions, FALSE if removals
* \param[in/out] patch_node Will be set to node if found
*
* \return TRUE if format is valid, FALSE if invalid
*/
static bool
find_patch_xml_node(xmlNode *patchset, int format, bool added,
xmlNode **patch_node)
{
xmlNode *cib_node;
const char *label;
switch(format) {
case 1:
label = added? "diff-added" : "diff-removed";
*patch_node = find_xml_node(patchset, label, FALSE);
cib_node = find_xml_node(*patch_node, "cib", FALSE);
if (cib_node != NULL) {
*patch_node = cib_node;
}
break;
case 2:
label = added? "target" : "source";
*patch_node = find_xml_node(patchset, "version", FALSE);
*patch_node = find_xml_node(*patch_node, label, FALSE);
break;
default:
crm_warn("Unknown patch format: %d", format);
*patch_node = NULL;
return FALSE;
}
return TRUE;
}
bool xml_patch_versions(xmlNode *patchset, int add[3], int del[3])
{
int lpc = 0;
int format = 1;
xmlNode *tmp = NULL;
const char *vfields[] = {
XML_ATTR_GENERATION_ADMIN,
XML_ATTR_GENERATION,
XML_ATTR_NUMUPDATES,
};
crm_element_value_int(patchset, "format", &format);
/* Process removals */
if (!find_patch_xml_node(patchset, format, FALSE, &tmp)) {
return -EINVAL;
}
if (tmp) {
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
crm_element_value_int(tmp, vfields[lpc], &(del[lpc]));
crm_trace("Got %d for del[%s]", del[lpc], vfields[lpc]);
}
}
/* Process additions */
if (!find_patch_xml_node(patchset, format, TRUE, &tmp)) {
return -EINVAL;
}
if (tmp) {
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
crm_element_value_int(tmp, vfields[lpc], &(add[lpc]));
crm_trace("Got %d for add[%s]", add[lpc], vfields[lpc]);
}
}
return pcmk_ok;
}
static int
xml_patch_version_check(xmlNode *xml, xmlNode *patchset, int format)
{
int lpc = 0;
bool changed = FALSE;
int this[] = { 0, 0, 0 };
int add[] = { 0, 0, 0 };
int del[] = { 0, 0, 0 };
const char *vfields[] = {
XML_ATTR_GENERATION_ADMIN,
XML_ATTR_GENERATION,
XML_ATTR_NUMUPDATES,
};
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
crm_element_value_int(xml, vfields[lpc], &(this[lpc]));
crm_trace("Got %d for this[%s]", this[lpc], vfields[lpc]);
if (this[lpc] < 0) {
this[lpc] = 0;
}
}
/* Set some defaults in case nothing is present */
add[0] = this[0];
add[1] = this[1];
add[2] = this[2] + 1;
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
del[lpc] = this[lpc];
}
xml_patch_versions(patchset, add, del);
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
if(this[lpc] < del[lpc]) {
crm_debug("Current %s is too low (%d.%d.%d < %d.%d.%d --> %d.%d.%d)", vfields[lpc],
this[0], this[1], this[2], del[0], del[1], del[2], add[0], add[1], add[2]);
return -pcmk_err_diff_resync;
} else if(this[lpc] > del[lpc]) {
crm_info("Current %s is too high (%d.%d.%d > %d.%d.%d --> %d.%d.%d) %p", vfields[lpc],
this[0], this[1], this[2], del[0], del[1], del[2], add[0], add[1], add[2], patchset);
crm_log_xml_info(patchset, "OldPatch");
return -pcmk_err_old_data;
}
}
for(lpc = 0; lpc < DIMOF(vfields); lpc++) {
if(add[lpc] > del[lpc]) {
changed = TRUE;
}
}
if(changed == FALSE) {
crm_notice("Versions did not change in patch %d.%d.%d", add[0], add[1], add[2]);
return -pcmk_err_old_data;
}
crm_debug("Can apply patch %d.%d.%d to %d.%d.%d",
add[0], add[1], add[2], this[0], this[1], this[2]);
return pcmk_ok;
}
static int
xml_apply_patchset_v1(xmlNode *xml, xmlNode *patchset, bool check_version)
{
int rc = pcmk_ok;
int root_nodes_seen = 0;
char *version = crm_element_value_copy(xml, XML_ATTR_CRM_VERSION);
xmlNode *child_diff = NULL;
xmlNode *added = find_xml_node(patchset, "diff-added", FALSE);
xmlNode *removed = find_xml_node(patchset, "diff-removed", FALSE);
xmlNode *old = copy_xml(xml);
crm_trace("Subtraction Phase");
for (child_diff = __xml_first_child(removed); child_diff != NULL;
child_diff = __xml_next(child_diff)) {
CRM_CHECK(root_nodes_seen == 0, rc = FALSE);
if (root_nodes_seen == 0) {
__subtract_xml_object(xml, child_diff);
}
root_nodes_seen++;
}
if (root_nodes_seen > 1) {
crm_err("(-) Diffs cannot contain more than one change set... saw %d", root_nodes_seen);
rc = -ENOTUNIQ;
}
root_nodes_seen = 0;
crm_trace("Addition Phase");
if (rc == pcmk_ok) {
xmlNode *child_diff = NULL;
for (child_diff = __xml_first_child(added); child_diff != NULL;
child_diff = __xml_next(child_diff)) {
CRM_CHECK(root_nodes_seen == 0, rc = FALSE);
if (root_nodes_seen == 0) {
__add_xml_object(NULL, xml, child_diff);
}
root_nodes_seen++;
}
}
if (root_nodes_seen > 1) {
crm_err("(+) Diffs cannot contain more than one change set... saw %d", root_nodes_seen);
rc = -ENOTUNIQ;
}
purge_diff_markers(xml); /* Purge prior to checking the digest */
free_xml(old);
free(version);
return rc;
}
static xmlNode *
__first_xml_child_match(xmlNode *parent, const char *name, const char *id)
{
xmlNode *cIter = NULL;
for (cIter = __xml_first_child(parent); cIter != NULL; cIter = __xml_next(cIter)) {
if(strcmp((const char *)cIter->name, name) != 0) {
continue;
} else if(id) {
const char *cid = ID(cIter);
if(cid == NULL || strcmp(cid, id) != 0) {
continue;
}
}
return cIter;
}
return NULL;
}
static xmlNode *
__xml_find_path(xmlNode *top, const char *key)
{
xmlNode *target = (xmlNode*)top->doc;
char *id = malloc(XML_BUFFER_SIZE);
char *tag = malloc(XML_BUFFER_SIZE);
char *section = malloc(XML_BUFFER_SIZE);
char *current = strdup(key);
char *remainder = malloc(XML_BUFFER_SIZE);
int rc = 0;
while(current) {
rc = sscanf (current, "/%[^/]%s", section, remainder);
if(rc <= 0) {
crm_trace("Done");
break;
} else if(rc > 2) {
crm_trace("Aborting on %s", current);
target = NULL;
break;
} else if(tag && section) {
int f = sscanf (section, "%[^[][@id='%[^']", tag, id);
switch(f) {
case 1:
target = __first_xml_child_match(target, tag, NULL);
break;
case 2:
target = __first_xml_child_match(target, tag, id);
break;
default:
crm_trace("Aborting on %s", section);
target = NULL;
break;
}
if(rc == 1 || target == NULL) {
crm_trace("Done");
break;
} else {
char *tmp = current;
current = remainder;
remainder = tmp;
}
}
}
if(target) {
char *path = (char *)xmlGetNodePath(target);
crm_trace("Found %s for %s", path, key);
free(path);
} else {
crm_debug("No match for %s", key);
}
free(remainder);
free(current);
free(section);
free(tag);
free(id);
return target;
}
static int
xml_apply_patchset_v2(xmlNode *xml, xmlNode *patchset, bool check_version)
{
int rc = pcmk_ok;
xmlNode *change = NULL;
for (change = __xml_first_child(patchset); change != NULL; change = __xml_next(change)) {
xmlNode *match = NULL;
const char *op = crm_element_value(change, XML_DIFF_OP);
const char *xpath = crm_element_value(change, XML_DIFF_PATH);
crm_trace("Processing %s %s", change->name, op);
if(op == NULL) {
continue;
}
#if 0
match = get_xpath_object(xpath, xml, LOG_TRACE);
#else
match = __xml_find_path(xml, xpath);
#endif
crm_trace("Performing %s on %s with %p", op, xpath, match);
if(match == NULL && strcmp(op, "delete") == 0) {
crm_debug("No %s match for %s in %p", op, xpath, xml->doc);
continue;
} else if(match == NULL) {
crm_err("No %s match for %s in %p", op, xpath, xml->doc);
rc = -pcmk_err_diff_failed;
continue;
} else if(strcmp(op, "create") == 0) {
int position = 0;
xmlNode *child = NULL;
xmlNode *match_child = NULL;
match_child = match->children;
crm_element_value_int(change, XML_DIFF_POSITION, &position);
while(match_child && position != __xml_offset(match_child)) {
match_child = match_child->next;
}
child = xmlDocCopyNode(change->children, match->doc, 1);
if(match_child) {
crm_trace("Adding %s at position %d", child->name, position);
xmlAddPrevSibling(match_child, child);
} else if(match->last) { /* Add to the end */
crm_trace("Adding %s at position %d (end)", child->name, position);
xmlAddNextSibling(match->last, child);
} else {
crm_trace("Adding %s at position %d (first)", child->name, position);
CRM_LOG_ASSERT(position == 0);
xmlAddChild(match, child);
}
crm_node_created(child);
} else if(strcmp(op, "move") == 0) {
int position = 0;
crm_element_value_int(change, XML_DIFF_POSITION, &position);
if(position != __xml_offset(match)) {
xmlNode *match_child = NULL;
int p = position;
if(p > __xml_offset(match)) {
p++; /* Skip ourselves */
}
CRM_ASSERT(match->parent != NULL);
match_child = match->parent->children;
while(match_child && p != __xml_offset(match_child)) {
match_child = match_child->next;
}
crm_trace("Moving %s to position %d (was %d, prev %p, %s %p)",
match->name, position, __xml_offset(match), match->prev,
match_child?"next":"last", match_child?match_child:match->parent->last);
if(match_child) {
xmlAddPrevSibling(match_child, match);
} else {
CRM_ASSERT(match->parent->last != NULL);
xmlAddNextSibling(match->parent->last, match);
}
} else {
crm_trace("%s is already in position %d", match->name, position);
}
if(position != __xml_offset(match)) {
crm_err("Moved %s.%d to position %d instead of %d (%p)",
match->name, ID(match), __xml_offset(match), position, match->prev);
rc = -pcmk_err_diff_failed;
}
} else if(strcmp(op, "delete") == 0) {
free_xml(match);
} else if(strcmp(op, "modify") == 0) {
xmlAttr *pIter = crm_first_attr(match);
xmlNode *attrs = __xml_first_child(first_named_child(change, XML_DIFF_RESULT));
if(attrs == NULL) {
rc = -ENOMSG;
continue;
}
while(pIter != NULL) {
const char *name = (const char *)pIter->name;
pIter = pIter->next;
xml_remove_prop(match, name);
}
for (pIter = crm_first_attr(attrs); pIter != NULL; pIter = pIter->next) {
const char *name = (const char *)pIter->name;
const char *value = crm_element_value(attrs, name);
crm_xml_add(match, name, value);
}
} else {
crm_err("Unknown operation: %s", op);
}
}
return rc;
}
int
xml_apply_patchset(xmlNode *xml, xmlNode *patchset, bool check_version)
{
int format = 1;
int rc = pcmk_ok;
xmlNode *old = NULL;
const char *digest = crm_element_value(patchset, XML_ATTR_DIGEST);
if(patchset == NULL) {
return rc;
}
xml_log_patchset(LOG_TRACE, __FUNCTION__, patchset);
crm_element_value_int(patchset, "format", &format);
if(check_version) {
rc = xml_patch_version_check(xml, patchset, format);
if(rc != pcmk_ok) {
return rc;
}
}
if(digest) {
/* Make it available for logging if the result doesn't have the expected digest */
old = copy_xml(xml);
}
if(rc == pcmk_ok) {
switch(format) {
case 1:
rc = xml_apply_patchset_v1(xml, patchset, check_version);
break;
case 2:
rc = xml_apply_patchset_v2(xml, patchset, check_version);
break;
default:
crm_err("Unknown patch format: %d", format);
rc = -EINVAL;
}
}
if(rc == pcmk_ok && digest) {
static struct qb_log_callsite *digest_cs = NULL;
char *new_digest = NULL;
char *version = crm_element_value_copy(xml, XML_ATTR_CRM_VERSION);
if (digest_cs == NULL) {
digest_cs =
qb_log_callsite_get(__func__, __FILE__, "diff-digest", LOG_TRACE, __LINE__,
crm_trace_nonlog);
}
new_digest = calculate_xml_versioned_digest(xml, FALSE, TRUE, version);
if (safe_str_neq(new_digest, digest)) {
crm_info("v%d digest mis-match: expected %s, calculated %s", format, digest, new_digest);
rc = -pcmk_err_diff_failed;
if (digest_cs && digest_cs->targets) {
save_xml_to_file(old, "PatchDigest:input", NULL);
save_xml_to_file(xml, "PatchDigest:result", NULL);
save_xml_to_file(patchset,"PatchDigest:diff", NULL);
} else {
crm_trace("%p %.6x", digest_cs, digest_cs ? digest_cs->targets : 0);
}
} else {
crm_trace("v%d digest matched: expected %s, calculated %s", format, digest, new_digest);
}
free(new_digest);
free(version);
}
free_xml(old);
return rc;
}
xmlNode *
find_xml_node(xmlNode * root, const char *search_path, gboolean must_find)
{
xmlNode *a_child = NULL;
const char *name = "NULL";
if (root != NULL) {
name = crm_element_name(root);
}
if (search_path == NULL) {
crm_warn("Will never find <NULL>");
return NULL;
}
for (a_child = __xml_first_child(root); a_child != NULL; a_child = __xml_next(a_child)) {
if (strcmp((const char *)a_child->name, search_path) == 0) {
/* crm_trace("returning node (%s).", crm_element_name(a_child)); */
return a_child;
}
}
if (must_find) {
crm_warn("Could not find %s in %s.", search_path, name);
} else if (root != NULL) {
crm_trace("Could not find %s in %s.", search_path, name);
} else {
crm_trace("Could not find %s in <NULL>.", search_path);
}
return NULL;
}
xmlNode *
find_entity(xmlNode * parent, const char *node_name, const char *id)
{
xmlNode *a_child = NULL;
for (a_child = __xml_first_child(parent); a_child != NULL; a_child = __xml_next(a_child)) {
/* Uncertain if node_name == NULL check is strictly necessary here */
if (node_name == NULL || strcmp((const char *)a_child->name, node_name) == 0) {
const char *cid = ID(a_child);
if (id == NULL || (cid != NULL && strcmp(id, cid) == 0)) {
return a_child;
}
}
}
crm_trace("node <%s id=%s> not found in %s.", node_name, id, crm_element_name(parent));
return NULL;
}
void
copy_in_properties(xmlNode * target, xmlNode * src)
{
if (src == NULL) {
crm_warn("No node to copy properties from");
} else if (target == NULL) {
crm_err("No node to copy properties into");
} else {
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(src); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
expand_plus_plus(target, p_name, p_value);
}
}
return;
}
void
fix_plus_plus_recursive(xmlNode * target)
{
/* TODO: Remove recursion and use xpath searches for value++ */
xmlNode *child = NULL;
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(target); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
expand_plus_plus(target, p_name, p_value);
}
for (child = __xml_first_child(target); child != NULL; child = __xml_next(child)) {
fix_plus_plus_recursive(child);
}
}
void
expand_plus_plus(xmlNode * target, const char *name, const char *value)
{
int offset = 1;
int name_len = 0;
int int_value = 0;
int value_len = 0;
const char *old_value = NULL;
if (value == NULL || name == NULL) {
return;
}
old_value = crm_element_value(target, name);
if (old_value == NULL) {
/* if no previous value, set unexpanded */
goto set_unexpanded;
} else if (strstr(value, name) != value) {
goto set_unexpanded;
}
name_len = strlen(name);
value_len = strlen(value);
if (value_len < (name_len + 2)
|| value[name_len] != '+' || (value[name_len + 1] != '+' && value[name_len + 1] != '=')) {
goto set_unexpanded;
}
/* if we are expanding ourselves,
* then no previous value was set and leave int_value as 0
*/
if (old_value != value) {
int_value = char2score(old_value);
}
if (value[name_len + 1] != '+') {
const char *offset_s = value + (name_len + 2);
offset = char2score(offset_s);
}
int_value += offset;
if (int_value > INFINITY) {
int_value = (int)INFINITY;
}
crm_xml_add_int(target, name, int_value);
return;
set_unexpanded:
if (old_value == value) {
/* the old value is already set, nothing to do */
return;
}
crm_xml_add(target, name, value);
return;
}
xmlDoc *
getDocPtr(xmlNode * node)
{
xmlDoc *doc = NULL;
CRM_CHECK(node != NULL, return NULL);
doc = node->doc;
if (doc == NULL) {
doc = xmlNewDoc((const xmlChar *)"1.0");
xmlDocSetRootElement(doc, node);
xmlSetTreeDoc(node, doc);
}
return doc;
}
xmlNode *
add_node_copy(xmlNode * parent, xmlNode * src_node)
{
xmlNode *child = NULL;
xmlDoc *doc = getDocPtr(parent);
CRM_CHECK(src_node != NULL, return NULL);
child = xmlDocCopyNode(src_node, doc, 1);
xmlAddChild(parent, child);
crm_node_created(child);
return child;
}
int
add_node_nocopy(xmlNode * parent, const char *name, xmlNode * child)
{
add_node_copy(parent, child);
free_xml(child);
return 1;
}
static bool
__xml_acl_check(xmlNode *xml, const char *name, enum xml_private_flags mode)
{
CRM_ASSERT(xml);
CRM_ASSERT(xml->doc);
CRM_ASSERT(xml->doc->_private);
#if ENABLE_ACL
{
if(TRACKING_CHANGES(xml) && xml_acl_enabled(xml)) {
int offset = 0;
xmlNode *parent = xml;
char buffer[XML_BUFFER_SIZE];
xml_private_t *docp = xml->doc->_private;
if(docp->acls == NULL) {
crm_trace("Ordinary user %s cannot access the CIB without any defined ACLs", docp->user);
set_doc_flag(xml, xpf_acl_denied);
return FALSE;
}
offset = __get_prefix(NULL, xml, buffer, offset);
if(name) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "[@%s]", name);
}
CRM_LOG_ASSERT(offset > 0);
/* Walk the tree upwards looking for xml_acl_* flags
* - Creating an attribute requires write permissions for the node
* - Creating a child requires write permissions for the parent
*/
if(name) {
xmlAttr *attr = xmlHasProp(xml, (const xmlChar *)name);
if(attr && mode == xpf_acl_create) {
mode = xpf_acl_write;
}
}
while(parent && parent->_private) {
xml_private_t *p = parent->_private;
if(__xml_acl_mode_test(p->flags, mode)) {
return TRUE;
} else if(is_set(p->flags, xpf_acl_deny)) {
crm_trace("%x access denied to %s: parent", mode, buffer);
set_doc_flag(xml, xpf_acl_denied);
return FALSE;
}
parent = parent->parent;
}
crm_trace("%x access denied to %s: default", mode, buffer);
set_doc_flag(xml, xpf_acl_denied);
return FALSE;
}
}
#endif
return TRUE;
}
const char *
crm_xml_add(xmlNode * node, const char *name, const char *value)
{
bool dirty = FALSE;
xmlAttr *attr = NULL;
CRM_CHECK(node != NULL, return NULL);
CRM_CHECK(name != NULL, return NULL);
if (value == NULL) {
return NULL;
}
#if XML_PARANOIA_CHECKS
{
const char *old_value = NULL;
old_value = crm_element_value(node, name);
/* Could be re-setting the same value */
CRM_CHECK(old_value != value, crm_err("Cannot reset %s with crm_xml_add(%s)", name, value);
return value);
}
#endif
if(TRACKING_CHANGES(node)) {
const char *old = crm_element_value(node, name);
if(old == NULL || value == NULL || strcmp(old, value) != 0) {
dirty = TRUE;
}
}
if(dirty && __xml_acl_check(node, name, xpf_acl_create) == FALSE) {
crm_trace("Cannot add %s=%s to %s", name, value, node->name);
return NULL;
}
attr = xmlSetProp(node, (const xmlChar *)name, (const xmlChar *)value);
if(dirty) {
crm_attr_dirty(attr);
}
CRM_CHECK(attr && attr->children && attr->children->content, return NULL);
return (char *)attr->children->content;
}
const char *
crm_xml_replace(xmlNode * node, const char *name, const char *value)
{
bool dirty = FALSE;
xmlAttr *attr = NULL;
const char *old_value = NULL;
CRM_CHECK(node != NULL, return NULL);
CRM_CHECK(name != NULL && name[0] != 0, return NULL);
old_value = crm_element_value(node, name);
/* Could be re-setting the same value */
CRM_CHECK(old_value != value, return value);
if(__xml_acl_check(node, name, xpf_acl_write) == FALSE) {
/* Create a fake object linked to doc->_private instead? */
crm_trace("Cannot replace %s=%s to %s", name, value, node->name);
return NULL;
} else if (old_value != NULL && value == NULL) {
xml_remove_prop(node, name);
return NULL;
} else if (value == NULL) {
return NULL;
}
if(TRACKING_CHANGES(node)) {
if(old_value == NULL || value == NULL || strcmp(old_value, value) != 0) {
dirty = TRUE;
}
}
attr = xmlSetProp(node, (const xmlChar *)name, (const xmlChar *)value);
if(dirty) {
crm_attr_dirty(attr);
}
CRM_CHECK(attr && attr->children && attr->children->content, return NULL);
return (char *)attr->children->content;
}
const char *
crm_xml_add_int(xmlNode * node, const char *name, int value)
{
char *number = crm_itoa(value);
const char *added = crm_xml_add(node, name, number);
free(number);
return added;
}
xmlNode *
create_xml_node(xmlNode * parent, const char *name)
{
xmlDoc *doc = NULL;
xmlNode *node = NULL;
if (name == NULL || name[0] == 0) {
CRM_CHECK(name != NULL && name[0] == 0, return NULL);
return NULL;
}
if (parent == NULL) {
doc = xmlNewDoc((const xmlChar *)"1.0");
node = xmlNewDocRawNode(doc, NULL, (const xmlChar *)name, NULL);
xmlDocSetRootElement(doc, node);
} else {
doc = getDocPtr(parent);
node = xmlNewDocRawNode(doc, NULL, (const xmlChar *)name, NULL);
xmlAddChild(parent, node);
}
crm_node_created(node);
return node;
}
static inline int
__get_prefix(const char *prefix, xmlNode *xml, char *buffer, int offset)
{
const char *id = ID(xml);
if(offset == 0 && prefix == NULL && xml->parent) {
offset = __get_prefix(NULL, xml->parent, buffer, offset);
}
if(id) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "/%s[@id='%s']", (const char *)xml->name, id);
} else if(xml->name) {
offset += snprintf(buffer + offset, XML_BUFFER_SIZE - offset, "/%s", (const char *)xml->name);
}
return offset;
}
char *
xml_get_path(xmlNode *xml)
{
int offset = 0;
char buffer[XML_BUFFER_SIZE];
if(__get_prefix(NULL, xml, buffer, offset) > 0) {
return strdup(buffer);
}
return NULL;
}
void
free_xml(xmlNode * child)
{
if (child != NULL) {
xmlNode *top = NULL;
xmlDoc *doc = child->doc;
xml_private_t *p = child->_private;
if (doc != NULL) {
top = xmlDocGetRootElement(doc);
}
if (doc != NULL && top == child) {
/* Free everything */
xmlFreeDoc(doc);
} else if(__xml_acl_check(child, NULL, xpf_acl_write) == FALSE) {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
__get_prefix(NULL, child, buffer, offset);
crm_trace("Cannot remove %s %x", buffer, p->flags);
return;
} else {
if(doc && TRACKING_CHANGES(child) && is_not_set(p->flags, xpf_created)) {
int offset = 0;
char buffer[XML_BUFFER_SIZE];
if(__get_prefix(NULL, child, buffer, offset) > 0) {
crm_trace("Deleting %s %p from %p", buffer, child, doc);
p = doc->_private;
p->deleted_paths = g_list_append(p->deleted_paths, strdup(buffer));
set_doc_flag(child, xpf_dirty);
}
}
/* Free this particular subtree
* Make sure to unlink it from the parent first
*/
xmlUnlinkNode(child);
xmlFreeNode(child);
}
}
}
xmlNode *
copy_xml(xmlNode * src)
{
xmlDoc *doc = xmlNewDoc((const xmlChar *)"1.0");
xmlNode *copy = xmlDocCopyNode(src, doc, 1);
xmlDocSetRootElement(doc, copy);
xmlSetTreeDoc(copy, doc);
return copy;
}
static void
crm_xml_err(void *ctx, const char *msg, ...)
G_GNUC_PRINTF(2, 3);
static void
crm_xml_err(void *ctx, const char *msg, ...)
{
int len = 0;
va_list args;
char *buf = NULL;
static int buffer_len = 0;
static char *buffer = NULL;
static struct qb_log_callsite *xml_error_cs = NULL;
va_start(args, msg);
len = vasprintf(&buf, msg, args);
if(xml_error_cs == NULL) {
xml_error_cs = qb_log_callsite_get(
__func__, __FILE__, "xml library error", LOG_TRACE, __LINE__, crm_trace_nonlog);
}
if (strchr(buf, '\n')) {
buf[len - 1] = 0;
if (buffer) {
crm_err("XML Error: %s%s", buffer, buf);
free(buffer);
} else {
crm_err("XML Error: %s", buf);
}
if (xml_error_cs && xml_error_cs->targets) {
crm_abort(__FILE__, __PRETTY_FUNCTION__, __LINE__, "xml library error", TRUE, TRUE);
}
buffer = NULL;
buffer_len = 0;
} else if (buffer == NULL) {
buffer_len = len;
buffer = buf;
buf = NULL;
} else {
buffer = realloc_safe(buffer, 1 + buffer_len + len);
memcpy(buffer + buffer_len, buf, len);
buffer_len += len;
buffer[buffer_len] = 0;
}
va_end(args);
free(buf);
}
xmlNode *
string2xml(const char *input)
{
xmlNode *xml = NULL;
xmlDocPtr output = NULL;
xmlParserCtxtPtr ctxt = NULL;
xmlErrorPtr last_error = NULL;
if (input == NULL) {
crm_err("Can't parse NULL input");
return NULL;
}
/* create a parser context */
ctxt = xmlNewParserCtxt();
CRM_CHECK(ctxt != NULL, return NULL);
/* xmlCtxtUseOptions(ctxt, XML_PARSE_NOBLANKS|XML_PARSE_RECOVER); */
xmlCtxtResetLastError(ctxt);
xmlSetGenericErrorFunc(ctxt, crm_xml_err);
/* initGenericErrorDefaultFunc(crm_xml_err); */
output =
xmlCtxtReadDoc(ctxt, (const xmlChar *)input, NULL, NULL,
XML_PARSE_NOBLANKS | XML_PARSE_RECOVER);
if (output) {
xml = xmlDocGetRootElement(output);
}
last_error = xmlCtxtGetLastError(ctxt);
if (last_error && last_error->code != XML_ERR_OK) {
/* crm_abort(__FILE__,__FUNCTION__,__LINE__, "last_error->code != XML_ERR_OK", TRUE, TRUE); */
/*
* http://xmlsoft.org/html/libxml-xmlerror.html#xmlErrorLevel
* http://xmlsoft.org/html/libxml-xmlerror.html#xmlParserErrors
*/
crm_warn("Parsing failed (domain=%d, level=%d, code=%d): %s",
last_error->domain, last_error->level, last_error->code, last_error->message);
if (last_error->code == XML_ERR_DOCUMENT_EMPTY) {
CRM_LOG_ASSERT("Cannot parse an empty string");
} else if (last_error->code != XML_ERR_DOCUMENT_END) {
crm_err("Couldn't%s parse %d chars: %s", xml ? " fully" : "", (int)strlen(input),
input);
if (xml != NULL) {
crm_log_xml_err(xml, "Partial");
}
} else {
int len = strlen(input);
int lpc = 0;
while(lpc < len) {
crm_warn("Parse error[+%.3d]: %.80s", lpc, input+lpc);
lpc += 80;
}
CRM_LOG_ASSERT("String parsing error");
}
}
xmlFreeParserCtxt(ctxt);
return xml;
}
xmlNode *
stdin2xml(void)
{
size_t data_length = 0;
size_t read_chars = 0;
char *xml_buffer = NULL;
xmlNode *xml_obj = NULL;
do {
size_t next = XML_BUFFER_SIZE + data_length + 1;
if(next <= 0) {
crm_err("Buffer size exceeded at: %l + %d", data_length, XML_BUFFER_SIZE);
break;
}
xml_buffer = realloc_safe(xml_buffer, next);
read_chars = fread(xml_buffer + data_length, 1, XML_BUFFER_SIZE, stdin);
data_length += read_chars;
} while (read_chars > 0);
if (data_length == 0) {
crm_warn("No XML supplied on stdin");
free(xml_buffer);
return NULL;
}
xml_buffer[data_length] = '\0';
xml_obj = string2xml(xml_buffer);
free(xml_buffer);
crm_log_xml_trace(xml_obj, "Created fragment");
return xml_obj;
}
static char *
decompress_file(const char *filename)
{
char *buffer = NULL;
#if HAVE_BZLIB_H
int rc = 0;
size_t length = 0, read_len = 0;
BZFILE *bz_file = NULL;
FILE *input = fopen(filename, "r");
if (input == NULL) {
crm_perror(LOG_ERR, "Could not open %s for reading", filename);
return NULL;
}
bz_file = BZ2_bzReadOpen(&rc, input, 0, 0, NULL, 0);
if (rc != BZ_OK) {
BZ2_bzReadClose(&rc, bz_file);
return NULL;
}
rc = BZ_OK;
while (rc == BZ_OK) {
buffer = realloc_safe(buffer, XML_BUFFER_SIZE + length + 1);
read_len = BZ2_bzRead(&rc, bz_file, buffer + length, XML_BUFFER_SIZE);
crm_trace("Read %ld bytes from file: %d", (long)read_len, rc);
if (rc == BZ_OK || rc == BZ_STREAM_END) {
length += read_len;
}
}
buffer[length] = '\0';
if (rc != BZ_STREAM_END) {
crm_err("Couldn't read compressed xml from file");
free(buffer);
buffer = NULL;
}
BZ2_bzReadClose(&rc, bz_file);
fclose(input);
#else
crm_err("Cannot read compressed files:" " bzlib was not available at compile time");
#endif
return buffer;
}
void
strip_text_nodes(xmlNode * xml)
{
xmlNode *iter = xml->children;
while (iter) {
xmlNode *next = iter->next;
switch (iter->type) {
case XML_TEXT_NODE:
/* Remove it */
xmlUnlinkNode(iter);
xmlFreeNode(iter);
break;
case XML_ELEMENT_NODE:
/* Search it */
strip_text_nodes(iter);
break;
default:
/* Leave it */
break;
}
iter = next;
}
}
xmlNode *
filename2xml(const char *filename)
{
xmlNode *xml = NULL;
xmlDocPtr output = NULL;
gboolean uncompressed = TRUE;
xmlParserCtxtPtr ctxt = NULL;
xmlErrorPtr last_error = NULL;
static int xml_options = XML_PARSE_NOBLANKS | XML_PARSE_RECOVER;
/* create a parser context */
ctxt = xmlNewParserCtxt();
CRM_CHECK(ctxt != NULL, return NULL);
/* xmlCtxtUseOptions(ctxt, XML_PARSE_NOBLANKS|XML_PARSE_RECOVER); */
xmlCtxtResetLastError(ctxt);
xmlSetGenericErrorFunc(ctxt, crm_xml_err);
/* initGenericErrorDefaultFunc(crm_xml_err); */
if (filename) {
uncompressed = !crm_ends_with(filename, ".bz2");
}
if (filename == NULL) {
/* STDIN_FILENO == fileno(stdin) */
output = xmlCtxtReadFd(ctxt, STDIN_FILENO, "unknown.xml", NULL, xml_options);
} else if (uncompressed) {
output = xmlCtxtReadFile(ctxt, filename, NULL, xml_options);
} else {
char *input = decompress_file(filename);
output = xmlCtxtReadDoc(ctxt, (const xmlChar *)input, NULL, NULL, xml_options);
free(input);
}
if (output && (xml = xmlDocGetRootElement(output))) {
strip_text_nodes(xml);
}
last_error = xmlCtxtGetLastError(ctxt);
if (last_error && last_error->code != XML_ERR_OK) {
/* crm_abort(__FILE__,__FUNCTION__,__LINE__, "last_error->code != XML_ERR_OK", TRUE, TRUE); */
/*
* http://xmlsoft.org/html/libxml-xmlerror.html#xmlErrorLevel
* http://xmlsoft.org/html/libxml-xmlerror.html#xmlParserErrors
*/
crm_err("Parsing failed (domain=%d, level=%d, code=%d): %s",
last_error->domain, last_error->level, last_error->code, last_error->message);
if (last_error && last_error->code != XML_ERR_OK) {
crm_err("Couldn't%s parse %s", xml ? " fully" : "", filename);
if (xml != NULL) {
crm_log_xml_err(xml, "Partial");
}
}
}
xmlFreeParserCtxt(ctxt);
return xml;
}
/*!
* \internal
* \brief Add a "last written" attribute to an XML node, set to current time
*
* \param[in] xml_node XML node to get attribute
*
* \return Value that was set, or NULL on error
*/
const char *
crm_xml_add_last_written(xmlNode *xml_node)
{
time_t now = time(NULL);
char *now_str = ctime(&now);
now_str[24] = EOS; /* replace the newline */
return crm_xml_add(xml_node, XML_CIB_ATTR_WRITTEN, now_str);
}
static int
write_xml_stream(xmlNode * xml_node, const char *filename, FILE * stream, gboolean compress)
{
int res = 0;
char *buffer = NULL;
unsigned int out = 0;
CRM_CHECK(stream != NULL, return -1);
crm_trace("Writing XML out to %s", filename);
if (xml_node == NULL) {
crm_err("Cannot write NULL to %s", filename);
fclose(stream);
return -1;
}
crm_log_xml_trace(xml_node, "Writing out");
buffer = dump_xml_formatted(xml_node);
CRM_CHECK(buffer != NULL && strlen(buffer) > 0, crm_log_xml_warn(xml_node, "dump:failed");
goto bail);
if (compress) {
#if HAVE_BZLIB_H
int rc = BZ_OK;
unsigned int in = 0;
BZFILE *bz_file = NULL;
bz_file = BZ2_bzWriteOpen(&rc, stream, 5, 0, 30);
if (rc != BZ_OK) {
crm_err("bzWriteOpen failed: %d", rc);
} else {
BZ2_bzWrite(&rc, bz_file, buffer, strlen(buffer));
if (rc != BZ_OK) {
crm_err("bzWrite() failed: %d", rc);
}
}
if (rc == BZ_OK) {
BZ2_bzWriteClose(&rc, bz_file, 0, &in, &out);
if (rc != BZ_OK) {
crm_err("bzWriteClose() failed: %d", rc);
out = -1;
} else {
crm_trace("%s: In: %d, out: %d", filename, in, out);
}
}
#else
crm_err("Cannot write compressed files:" " bzlib was not available at compile time");
#endif
}
if (out <= 0) {
res = fprintf(stream, "%s", buffer);
if (res < 0) {
crm_perror(LOG_ERR, "Cannot write output to %s", filename);
goto bail;
}
}
bail:
if (fflush(stream) != 0) {
crm_perror(LOG_ERR, "fflush for %s failed:", filename);
res = -1;
}
if (fsync(fileno(stream)) < 0) {
crm_perror(LOG_ERR, "fsync for %s failed:", filename);
res = -1;
}
fclose(stream);
crm_trace("Saved %d bytes to the Cib as XML", res);
free(buffer);
return res;
}
int
write_xml_fd(xmlNode * xml_node, const char *filename, int fd, gboolean compress)
{
FILE *stream = NULL;
CRM_CHECK(fd > 0, return -1);
stream = fdopen(fd, "w");
return write_xml_stream(xml_node, filename, stream, compress);
}
int
write_xml_file(xmlNode * xml_node, const char *filename, gboolean compress)
{
FILE *stream = NULL;
stream = fopen(filename, "w");
return write_xml_stream(xml_node, filename, stream, compress);
}
xmlNode *
get_message_xml(xmlNode * msg, const char *field)
{
xmlNode *tmp = first_named_child(msg, field);
return __xml_first_child(tmp);
}
gboolean
add_message_xml(xmlNode * msg, const char *field, xmlNode * xml)
{
xmlNode *holder = create_xml_node(msg, field);
add_node_copy(holder, xml);
return TRUE;
}
static char *
crm_xml_escape_shuffle(char *text, int start, int *length, const char *replace)
{
int lpc;
int offset = strlen(replace) - 1; /* We have space for 1 char already */
*length += offset;
text = realloc_safe(text, *length);
for (lpc = (*length) - 1; lpc > (start + offset); lpc--) {
text[lpc] = text[lpc - offset];
}
memcpy(text + start, replace, offset + 1);
return text;
}
char *
crm_xml_escape(const char *text)
{
int index;
int changes = 0;
int length = 1 + strlen(text);
char *copy = strdup(text);
/*
* When xmlCtxtReadDoc() parses < and friends in a
* value, it converts them to their human readable
* form.
*
* If one uses xmlNodeDump() to convert it back to a
* string, all is well, because special characters are
* converted back to their escape sequences.
*
* However xmlNodeDump() is randomly dog slow, even with the same
* input. So we need to replicate the escapeing in our custom
* version so that the result can be re-parsed by xmlCtxtReadDoc()
* when necessary.
*/
for (index = 0; index < length; index++) {
switch (copy[index]) {
case 0:
break;
case '<':
copy = crm_xml_escape_shuffle(copy, index, &length, "<");
changes++;
break;
case '>':
copy = crm_xml_escape_shuffle(copy, index, &length, ">");
changes++;
break;
case '"':
copy = crm_xml_escape_shuffle(copy, index, &length, """);
changes++;
break;
case '\'':
copy = crm_xml_escape_shuffle(copy, index, &length, "'");
changes++;
break;
case '&':
copy = crm_xml_escape_shuffle(copy, index, &length, "&");
changes++;
break;
case '\t':
/* Might as well just expand to a few spaces... */
copy = crm_xml_escape_shuffle(copy, index, &length, " ");
changes++;
break;
case '\n':
/* crm_trace("Convert: \\%.3o", copy[index]); */
copy = crm_xml_escape_shuffle(copy, index, &length, "\\n");
changes++;
break;
case '\r':
copy = crm_xml_escape_shuffle(copy, index, &length, "\\r");
changes++;
break;
/* For debugging...
case '\\':
crm_trace("Passthrough: \\%c", copy[index+1]);
break;
*/
default:
/* Check for and replace non-printing characters with their octal equivalent */
if(copy[index] < ' ' || copy[index] > '~') {
char *replace = crm_strdup_printf("\\%.3o", copy[index]);
/* crm_trace("Convert to octal: \\%.3o", copy[index]); */
copy = crm_xml_escape_shuffle(copy, index, &length, replace);
free(replace);
changes++;
}
}
}
if (changes) {
crm_trace("Dumped '%s'", copy);
}
return copy;
}
static inline void
dump_xml_attr(xmlAttrPtr attr, int options, char **buffer, int *offset, int *max)
{
char *p_value = NULL;
const char *p_name = NULL;
xml_private_t *p = NULL;
CRM_ASSERT(buffer != NULL);
if (attr == NULL || attr->children == NULL) {
return;
}
p = attr->_private;
if (p && is_set(p->flags, xpf_deleted)) {
return;
}
p_name = (const char *)attr->name;
p_value = crm_xml_escape((const char *)attr->children->content);
buffer_print(*buffer, *max, *offset, " %s=\"%s\"", p_name, p_value);
free(p_value);
}
static void
__xml_log_element(int log_level, const char *file, const char *function, int line,
const char *prefix, xmlNode * data, int depth, int options)
{
int max = 0;
int offset = 0;
const char *name = NULL;
const char *hidden = NULL;
xmlNode *child = NULL;
xmlAttrPtr pIter = NULL;
if(data == NULL) {
return;
}
name = crm_element_name(data);
if(is_set(options, xml_log_option_open)) {
char *buffer = NULL;
insert_prefix(options, &buffer, &offset, &max, depth);
if (data->type == XML_COMMENT_NODE) {
buffer_print(buffer, max, offset, "<!--%s-->", data->content);
} else {
buffer_print(buffer, max, offset, "<%s", name);
hidden = crm_element_value(data, "hidden");
for (pIter = crm_first_attr(data); pIter != NULL; pIter = pIter->next) {
xml_private_t *p = pIter->_private;
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
char *p_copy = NULL;
if(is_set(p->flags, xpf_deleted)) {
continue;
} else if ((is_set(options, xml_log_option_diff_plus)
|| is_set(options, xml_log_option_diff_minus))
&& strcmp(XML_DIFF_MARKER, p_name) == 0) {
continue;
} else if (hidden != NULL && p_name[0] != 0 && strstr(hidden, p_name) != NULL) {
p_copy = strdup("*****");
} else {
p_copy = crm_xml_escape(p_value);
}
buffer_print(buffer, max, offset, " %s=\"%s\"", p_name, p_copy);
free(p_copy);
}
if(xml_has_children(data) == FALSE) {
buffer_print(buffer, max, offset, "/>");
} else if(is_set(options, xml_log_option_children)) {
buffer_print(buffer, max, offset, ">");
} else {
buffer_print(buffer, max, offset, "/>");
}
}
do_crm_log_alias(log_level, file, function, line, "%s %s", prefix, buffer);
free(buffer);
}
if(data->type == XML_COMMENT_NODE) {
return;
} else if(xml_has_children(data) == FALSE) {
return;
} else if(is_set(options, xml_log_option_children)) {
offset = 0;
max = 0;
for (child = __xml_first_child(data); child != NULL; child = __xml_next(child)) {
__xml_log_element(log_level, file, function, line, prefix, child, depth + 1, options|xml_log_option_open|xml_log_option_close);
}
}
if(is_set(options, xml_log_option_close)) {
char *buffer = NULL;
insert_prefix(options, &buffer, &offset, &max, depth);
buffer_print(buffer, max, offset, "</%s>", name);
do_crm_log_alias(log_level, file, function, line, "%s %s", prefix, buffer);
free(buffer);
}
}
static void
__xml_log_change_element(int log_level, const char *file, const char *function, int line,
const char *prefix, xmlNode * data, int depth, int options)
{
xml_private_t *p;
char *prefix_m = NULL;
xmlNode *child = NULL;
xmlAttrPtr pIter = NULL;
if(data == NULL) {
return;
}
p = data->_private;
prefix_m = strdup(prefix);
prefix_m[1] = '+';
if(is_set(p->flags, xpf_dirty) && is_set(p->flags, xpf_created)) {
/* Continue and log full subtree */
__xml_log_element(log_level, file, function, line,
prefix_m, data, depth, options|xml_log_option_open|xml_log_option_close|xml_log_option_children);
} else if(is_set(p->flags, xpf_dirty)) {
char *spaces = calloc(80, 1);
int s_count = 0, s_max = 80;
char *prefix_del = NULL;
char *prefix_moved = NULL;
const char *flags = prefix;
insert_prefix(options, &spaces, &s_count, &s_max, depth);
prefix_del = strdup(prefix);
prefix_del[0] = '-';
prefix_del[1] = '-';
prefix_moved = strdup(prefix);
prefix_moved[1] = '~';
if(is_set(p->flags, xpf_moved)) {
flags = prefix_moved;
} else {
flags = prefix;
}
__xml_log_element(log_level, file, function, line,
flags, data, depth, options|xml_log_option_open);
for (pIter = crm_first_attr(data); pIter != NULL; pIter = pIter->next) {
const char *aname = (const char*)pIter->name;
p = pIter->_private;
if(is_set(p->flags, xpf_deleted)) {
const char *value = crm_element_value(data, aname);
flags = prefix_del;
do_crm_log_alias(log_level, file, function, line,
"%s %s @%s=%s", flags, spaces, aname, value);
} else if(is_set(p->flags, xpf_dirty)) {
const char *value = crm_element_value(data, aname);
if(is_set(p->flags, xpf_created)) {
flags = prefix_m;
} else if(is_set(p->flags, xpf_modified)) {
flags = prefix;
} else if(is_set(p->flags, xpf_moved)) {
flags = prefix_moved;
} else {
flags = prefix;
}
do_crm_log_alias(log_level, file, function, line,
"%s %s @%s=%s", flags, spaces, aname, value);
}
}
free(prefix_moved);
free(prefix_del);
free(spaces);
for (child = __xml_first_child(data); child != NULL; child = __xml_next(child)) {
__xml_log_change_element(log_level, file, function, line, prefix, child, depth + 1, options);
}
__xml_log_element(log_level, file, function, line,
prefix, data, depth, options|xml_log_option_close);
} else {
for (child = __xml_first_child(data); child != NULL; child = __xml_next(child)) {
__xml_log_change_element(log_level, file, function, line, prefix, child, depth + 1, options);
}
}
free(prefix_m);
}
void
log_data_element(int log_level, const char *file, const char *function, int line,
const char *prefix, xmlNode * data, int depth, int options)
{
xmlNode *a_child = NULL;
char *prefix_m = NULL;
if (prefix == NULL) {
prefix = "";
}
/* Since we use the same file and line, to avoid confusing libqb, we need to use the same format strings */
if (data == NULL) {
do_crm_log_alias(log_level, file, function, line, "%s: %s", prefix,
"No data to dump as XML");
return;
}
if(is_set(options, xml_log_option_dirty_add) || is_set(options, xml_log_option_dirty_add)) {
__xml_log_change_element(log_level, file, function, line, prefix, data, depth, options);
return;
}
if (is_set(options, xml_log_option_formatted)) {
if (is_set(options, xml_log_option_diff_plus)
&& (data->children == NULL || crm_element_value(data, XML_DIFF_MARKER))) {
options |= xml_log_option_diff_all;
prefix_m = strdup(prefix);
prefix_m[1] = '+';
prefix = prefix_m;
} else if (is_set(options, xml_log_option_diff_minus)
&& (data->children == NULL || crm_element_value(data, XML_DIFF_MARKER))) {
options |= xml_log_option_diff_all;
prefix_m = strdup(prefix);
prefix_m[1] = '-';
prefix = prefix_m;
}
}
if (is_set(options, xml_log_option_diff_short)
&& is_not_set(options, xml_log_option_diff_all)) {
/* Still searching for the actual change */
for (a_child = __xml_first_child(data); a_child != NULL; a_child = __xml_next(a_child)) {
log_data_element(log_level, file, function, line, prefix, a_child, depth + 1, options);
}
} else {
__xml_log_element(log_level, file, function, line, prefix, data, depth,
options|xml_log_option_open|xml_log_option_close|xml_log_option_children);
}
free(prefix_m);
}
static void
dump_filtered_xml(xmlNode * data, int options, char **buffer, int *offset, int *max)
{
int lpc;
xmlAttrPtr xIter = NULL;
static int filter_len = DIMOF(filter);
for (lpc = 0; options && lpc < filter_len; lpc++) {
filter[lpc].found = FALSE;
}
for (xIter = crm_first_attr(data); xIter != NULL; xIter = xIter->next) {
bool skip = FALSE;
const char *p_name = (const char *)xIter->name;
for (lpc = 0; skip == FALSE && lpc < filter_len; lpc++) {
if (filter[lpc].found == FALSE && strcmp(p_name, filter[lpc].string) == 0) {
filter[lpc].found = TRUE;
skip = TRUE;
break;
}
}
if (skip == FALSE) {
dump_xml_attr(xIter, options, buffer, offset, max);
}
}
}
static void
dump_xml_element(xmlNode * data, int options, char **buffer, int *offset, int *max, int depth)
{
const char *name = NULL;
CRM_ASSERT(max != NULL);
CRM_ASSERT(offset != NULL);
CRM_ASSERT(buffer != NULL);
if (data == NULL) {
crm_trace("Nothing to dump");
return;
}
if (*buffer == NULL) {
*offset = 0;
*max = 0;
}
name = crm_element_name(data);
CRM_ASSERT(name != NULL);
insert_prefix(options, buffer, offset, max, depth);
buffer_print(*buffer, *max, *offset, "<%s", name);
if (options & xml_log_option_filtered) {
dump_filtered_xml(data, options, buffer, offset, max);
} else {
xmlAttrPtr xIter = NULL;
for (xIter = crm_first_attr(data); xIter != NULL; xIter = xIter->next) {
dump_xml_attr(xIter, options, buffer, offset, max);
}
}
if (data->children == NULL) {
buffer_print(*buffer, *max, *offset, "/>");
} else {
buffer_print(*buffer, *max, *offset, ">");
}
if (options & xml_log_option_formatted) {
buffer_print(*buffer, *max, *offset, "\n");
}
if (data->children) {
xmlNode *xChild = NULL;
for(xChild = data->children; xChild != NULL; xChild = xChild->next) {
crm_xml_dump(xChild, options, buffer, offset, max, depth + 1);
}
insert_prefix(options, buffer, offset, max, depth);
buffer_print(*buffer, *max, *offset, "</%s>", name);
if (options & xml_log_option_formatted) {
buffer_print(*buffer, *max, *offset, "\n");
}
}
}
static void
dump_xml_text(xmlNode * data, int options, char **buffer, int *offset, int *max, int depth)
{
CRM_ASSERT(max != NULL);
CRM_ASSERT(offset != NULL);
CRM_ASSERT(buffer != NULL);
if (data == NULL) {
crm_trace("Nothing to dump");
return;
}
if (*buffer == NULL) {
*offset = 0;
*max = 0;
}
insert_prefix(options, buffer, offset, max, depth);
buffer_print(*buffer, *max, *offset, "%s", data->content);
if (options & xml_log_option_formatted) {
buffer_print(*buffer, *max, *offset, "\n");
}
}
static void
dump_xml_comment(xmlNode * data, int options, char **buffer, int *offset, int *max, int depth)
{
CRM_ASSERT(max != NULL);
CRM_ASSERT(offset != NULL);
CRM_ASSERT(buffer != NULL);
if (data == NULL) {
crm_trace("Nothing to dump");
return;
}
if (*buffer == NULL) {
*offset = 0;
*max = 0;
}
insert_prefix(options, buffer, offset, max, depth);
buffer_print(*buffer, *max, *offset, "<!--");
buffer_print(*buffer, *max, *offset, "%s", data->content);
buffer_print(*buffer, *max, *offset, "-->");
if (options & xml_log_option_formatted) {
buffer_print(*buffer, *max, *offset, "\n");
}
}
void
crm_xml_dump(xmlNode * data, int options, char **buffer, int *offset, int *max, int depth)
{
if(data == NULL) {
*offset = 0;
*max = 0;
return;
}
#if 0
if (is_not_set(options, xml_log_option_filtered)) {
/* Turning this code on also changes the PE tests for some reason
* (not just newlines). Figure out why before considering to
* enable this permanently.
*
* It exists to help debug slowness in xmlNodeDump() and
* potentially if we ever want to go back to it.
*
* In theory it's a good idea (reuse) but our custom version does
* better for the filtered case and avoids the final strdup() for
* everything
*/
time_t now, next;
xmlDoc *doc = NULL;
xmlBuffer *xml_buffer = NULL;
*buffer = NULL;
doc = getDocPtr(data);
/* doc will only be NULL if data is */
CRM_CHECK(doc != NULL, return);
now = time(NULL);
xml_buffer = xmlBufferCreate();
CRM_ASSERT(xml_buffer != NULL);
/* The default allocator XML_BUFFER_ALLOC_EXACT does far too many
* realloc()s and it can take upwards of 18 seconds (yes, seconds)
* to dump a 28kb tree which XML_BUFFER_ALLOC_DOUBLEIT can do in
* less than 1 second.
*
* We could also use xmlBufferCreateSize() to start with a
* sane-ish initial size and avoid the first few doubles.
*/
xmlBufferSetAllocationScheme(xml_buffer, XML_BUFFER_ALLOC_DOUBLEIT);
*max = xmlNodeDump(xml_buffer, doc, data, 0, (options & xml_log_option_formatted));
if (*max > 0) {
*buffer = strdup((char *)xml_buffer->content);
}
next = time(NULL);
if ((now + 1) < next) {
crm_log_xml_trace(data, "Long time");
crm_err("xmlNodeDump() -> %dbytes took %ds", *max, next - now);
}
xmlBufferFree(xml_buffer);
return;
}
#endif
switch(data->type) {
case XML_ELEMENT_NODE:
/* Handle below */
dump_xml_element(data, options, buffer, offset, max, depth);
break;
case XML_TEXT_NODE:
/* if option xml_log_option_text is enabled, then dump XML_TEXT_NODE */
if (options & xml_log_option_text) {
dump_xml_text(data, options, buffer, offset, max, depth);
}
return;
case XML_COMMENT_NODE:
dump_xml_comment(data, options, buffer, offset, max, depth);
break;
default:
crm_warn("Unhandled type: %d", data->type);
return;
/*
XML_ATTRIBUTE_NODE = 2
XML_CDATA_SECTION_NODE = 4
XML_ENTITY_REF_NODE = 5
XML_ENTITY_NODE = 6
XML_PI_NODE = 7
XML_DOCUMENT_NODE = 9
XML_DOCUMENT_TYPE_NODE = 10
XML_DOCUMENT_FRAG_NODE = 11
XML_NOTATION_NODE = 12
XML_HTML_DOCUMENT_NODE = 13
XML_DTD_NODE = 14
XML_ELEMENT_DECL = 15
XML_ATTRIBUTE_DECL = 16
XML_ENTITY_DECL = 17
XML_NAMESPACE_DECL = 18
XML_XINCLUDE_START = 19
XML_XINCLUDE_END = 20
XML_DOCB_DOCUMENT_NODE = 21
*/
}
}
void
crm_buffer_add_char(char **buffer, int *offset, int *max, char c)
{
buffer_print(*buffer, *max, *offset, "%c", c);
}
char *
dump_xml_formatted_with_text(xmlNode * an_xml_node)
{
char *buffer = NULL;
int offset = 0, max = 0;
crm_xml_dump(an_xml_node, xml_log_option_formatted|xml_log_option_text, &buffer, &offset, &max, 0);
return buffer;
}
char *
dump_xml_formatted(xmlNode * an_xml_node)
{
char *buffer = NULL;
int offset = 0, max = 0;
crm_xml_dump(an_xml_node, xml_log_option_formatted, &buffer, &offset, &max, 0);
return buffer;
}
char *
dump_xml_unformatted(xmlNode * an_xml_node)
{
char *buffer = NULL;
int offset = 0, max = 0;
crm_xml_dump(an_xml_node, 0, &buffer, &offset, &max, 0);
return buffer;
}
gboolean
xml_has_children(const xmlNode * xml_root)
{
if (xml_root != NULL && xml_root->children != NULL) {
return TRUE;
}
return FALSE;
}
int
crm_element_value_int(xmlNode * data, const char *name, int *dest)
{
const char *value = crm_element_value(data, name);
CRM_CHECK(dest != NULL, return -1);
if (value) {
*dest = crm_int_helper(value, NULL);
return 0;
}
return -1;
}
int
crm_element_value_const_int(const xmlNode * data, const char *name, int *dest)
{
return crm_element_value_int((xmlNode *) data, name, dest);
}
const char *
crm_element_value_const(const xmlNode * data, const char *name)
{
return crm_element_value((xmlNode *) data, name);
}
char *
crm_element_value_copy(xmlNode * data, const char *name)
{
char *value_copy = NULL;
const char *value = crm_element_value(data, name);
if (value != NULL) {
value_copy = strdup(value);
}
return value_copy;
}
void
xml_remove_prop(xmlNode * obj, const char *name)
{
if(__xml_acl_check(obj, NULL, xpf_acl_write) == FALSE) {
crm_trace("Cannot remove %s from %s", name, obj->name);
} else if(TRACKING_CHANGES(obj)) {
/* Leave in place (marked for removal) until after the diff is calculated */
xml_private_t *p = NULL;
xmlAttr *attr = xmlHasProp(obj, (const xmlChar *)name);
p = attr->_private;
set_parent_flag(obj, xpf_dirty);
p->flags |= xpf_deleted;
/* crm_trace("Setting flag %x due to %s[@id=%s].%s", xpf_dirty, obj->name, ID(obj), name); */
} else {
xmlUnsetProp(obj, (const xmlChar *)name);
}
}
void
purge_diff_markers(xmlNode * a_node)
{
xmlNode *child = NULL;
CRM_CHECK(a_node != NULL, return);
xml_remove_prop(a_node, XML_DIFF_MARKER);
for (child = __xml_first_child(a_node); child != NULL; child = __xml_next(child)) {
purge_diff_markers(child);
}
}
void
save_xml_to_file(xmlNode * xml, const char *desc, const char *filename)
{
char *f = NULL;
if (filename == NULL) {
char *uuid = crm_generate_uuid();
f = crm_strdup_printf("/tmp/%s", uuid);
filename = f;
free(uuid);
}
crm_info("Saving %s to %s", desc, filename);
write_xml_file(xml, filename, FALSE);
free(f);
}
gboolean
apply_xml_diff(xmlNode * old, xmlNode * diff, xmlNode ** new)
{
gboolean result = TRUE;
int root_nodes_seen = 0;
static struct qb_log_callsite *digest_cs = NULL;
const char *digest = crm_element_value(diff, XML_ATTR_DIGEST);
const char *version = crm_element_value(diff, XML_ATTR_CRM_VERSION);
xmlNode *child_diff = NULL;
xmlNode *added = find_xml_node(diff, "diff-added", FALSE);
xmlNode *removed = find_xml_node(diff, "diff-removed", FALSE);
CRM_CHECK(new != NULL, return FALSE);
if (digest_cs == NULL) {
digest_cs =
qb_log_callsite_get(__func__, __FILE__, "diff-digest", LOG_TRACE, __LINE__,
crm_trace_nonlog);
}
crm_trace("Subtraction Phase");
for (child_diff = __xml_first_child(removed); child_diff != NULL;
child_diff = __xml_next(child_diff)) {
CRM_CHECK(root_nodes_seen == 0, result = FALSE);
if (root_nodes_seen == 0) {
*new = subtract_xml_object(NULL, old, child_diff, FALSE, NULL, NULL);
}
root_nodes_seen++;
}
if (root_nodes_seen == 0) {
*new = copy_xml(old);
} else if (root_nodes_seen > 1) {
crm_err("(-) Diffs cannot contain more than one change set..." " saw %d", root_nodes_seen);
result = FALSE;
}
root_nodes_seen = 0;
crm_trace("Addition Phase");
if (result) {
xmlNode *child_diff = NULL;
for (child_diff = __xml_first_child(added); child_diff != NULL;
child_diff = __xml_next(child_diff)) {
CRM_CHECK(root_nodes_seen == 0, result = FALSE);
if (root_nodes_seen == 0) {
add_xml_object(NULL, *new, child_diff, TRUE);
}
root_nodes_seen++;
}
}
if (root_nodes_seen > 1) {
crm_err("(+) Diffs cannot contain more than one change set..." " saw %d", root_nodes_seen);
result = FALSE;
} else if (result && digest) {
char *new_digest = NULL;
purge_diff_markers(*new); /* Purge now so the diff is ok */
new_digest = calculate_xml_versioned_digest(*new, FALSE, TRUE, version);
if (safe_str_neq(new_digest, digest)) {
crm_info("Digest mis-match: expected %s, calculated %s", digest, new_digest);
result = FALSE;
crm_trace("%p %.6x", digest_cs, digest_cs ? digest_cs->targets : 0);
if (digest_cs && digest_cs->targets) {
save_xml_to_file(old, "diff:original", NULL);
save_xml_to_file(diff, "diff:input", NULL);
save_xml_to_file(*new, "diff:new", NULL);
}
} else {
crm_trace("Digest matched: expected %s, calculated %s", digest, new_digest);
}
free(new_digest);
} else if (result) {
purge_diff_markers(*new); /* Purge now so the diff is ok */
}
return result;
}
static void
__xml_diff_object(xmlNode * old, xmlNode * new)
{
xmlNode *cIter = NULL;
xmlAttr *pIter = NULL;
CRM_CHECK(new != NULL, return);
if(old == NULL) {
crm_node_created(new);
__xml_acl_post_process(new); /* Check creation is allowed */
return;
} else {
xml_private_t *p = new->_private;
if(p->flags & xpf_processed) {
/* Avoid re-comparing nodes */
return;
}
p->flags |= xpf_processed;
}
for (pIter = crm_first_attr(new); pIter != NULL; pIter = pIter->next) {
xml_private_t *p = pIter->_private;
/* Assume everything was just created and take it from there */
p->flags |= xpf_created;
}
for (pIter = crm_first_attr(old); pIter != NULL; ) {
xmlAttr *prop = pIter;
xml_private_t *p = NULL;
const char *name = (const char *)pIter->name;
const char *old_value = crm_element_value(old, name);
xmlAttr *exists = xmlHasProp(new, pIter->name);
pIter = pIter->next;
if(exists == NULL) {
p = new->doc->_private;
/* Prevent the dirty flag being set recursively upwards */
clear_bit(p->flags, xpf_tracking);
exists = xmlSetProp(new, (const xmlChar *)name, (const xmlChar *)old_value);
set_bit(p->flags, xpf_tracking);
p = exists->_private;
p->flags = 0;
crm_trace("Lost %s@%s=%s", old->name, name, old_value);
xml_remove_prop(new, name);
} else {
int p_new = __xml_offset((xmlNode*)exists);
int p_old = __xml_offset((xmlNode*)prop);
const char *value = crm_element_value(new, name);
p = exists->_private;
p->flags = (p->flags & ~xpf_created);
if(strcmp(value, old_value) != 0) {
/* Restore the original value, so we can call crm_xml_add(),
* which checks ACLs
*/
char *vcopy = crm_element_value_copy(new, name);
crm_trace("Modified %s@%s %s->%s", old->name, name, old_value, vcopy);
xmlSetProp(new, prop->name, (const xmlChar *)old_value);
crm_xml_add(new, name, vcopy);
free(vcopy);
} else if(p_old != p_new) {
crm_info("Moved %s@%s (%d -> %d)", old->name, name, p_old, p_new);
__xml_node_dirty(new);
p->flags |= xpf_dirty|xpf_moved;
if(p_old > p_new) {
p = prop->_private;
p->flags |= xpf_skip;
} else {
p = exists->_private;
p->flags |= xpf_skip;
}
}
}
}
for (pIter = crm_first_attr(new); pIter != NULL; ) {
xmlAttr *prop = pIter;
xml_private_t *p = pIter->_private;
pIter = pIter->next;
if(is_set(p->flags, xpf_created)) {
char *name = strdup((const char *)prop->name);
char *value = crm_element_value_copy(new, name);
crm_trace("Created %s@%s=%s", new->name, name, value);
/* Remove plus create won't work as it will modify the relative attribute ordering */
if(__xml_acl_check(new, name, xpf_acl_write)) {
crm_attr_dirty(prop);
} else {
xmlUnsetProp(new, prop->name); /* Remove - change not allowed */
}
free(value);
free(name);
}
}
for (cIter = __xml_first_child(old); cIter != NULL; ) {
xmlNode *old_child = cIter;
xmlNode *new_child = find_element(new, cIter);
cIter = __xml_next(cIter);
if(new_child) {
__xml_diff_object(old_child, new_child);
} else {
/* Create then free (which will check the acls if necessary) */
xmlNode *candidate = add_node_copy(new, old_child);
xmlNode *top = xmlDocGetRootElement(candidate->doc);
__xml_node_clean(candidate);
__xml_acl_apply(top); /* Make sure any ACLs are applied to 'candidate' */
free_xml(candidate);
if (find_element(new, old_child) == NULL) {
xml_private_t *p = old_child->_private;
p->flags |= xpf_skip;
}
}
}
for (cIter = __xml_first_child(new); cIter != NULL; ) {
xmlNode *new_child = cIter;
xmlNode *old_child = find_element(old, cIter);
cIter = __xml_next(cIter);
if(old_child == NULL) {
xml_private_t *p = new_child->_private;
p->flags |= xpf_skip;
__xml_diff_object(old_child, new_child);
} else {
/* Check for movement, we already checked for differences */
int p_new = __xml_offset(new_child);
int p_old = __xml_offset(old_child);
if(p_old != p_new) {
xml_private_t *p = new_child->_private;
crm_info("%s.%s moved from %d to %d",
new_child->name, ID(new_child), p_old, p_new);
__xml_node_dirty(new);
p->flags |= xpf_moved;
if(p_old > p_new) {
p = old_child->_private;
} else {
p = new_child->_private;
}
p->flags |= xpf_skip;
}
}
}
}
void
xml_calculate_changes(xmlNode * old, xmlNode * new)
{
CRM_CHECK(safe_str_eq(crm_element_name(old), crm_element_name(new)), return);
CRM_CHECK(safe_str_eq(ID(old), ID(new)), return);
if(xml_tracking_changes(new) == FALSE) {
xml_track_changes(new, NULL, NULL, FALSE);
}
__xml_diff_object(old, new);
}
xmlNode *
diff_xml_object(xmlNode * old, xmlNode * new, gboolean suppress)
{
xmlNode *tmp1 = NULL;
xmlNode *diff = create_xml_node(NULL, "diff");
xmlNode *removed = create_xml_node(diff, "diff-removed");
xmlNode *added = create_xml_node(diff, "diff-added");
crm_xml_add(diff, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET);
tmp1 = subtract_xml_object(removed, old, new, FALSE, NULL, "removed:top");
if (suppress && tmp1 != NULL && can_prune_leaf(tmp1)) {
free_xml(tmp1);
}
tmp1 = subtract_xml_object(added, new, old, TRUE, NULL, "added:top");
if (suppress && tmp1 != NULL && can_prune_leaf(tmp1)) {
free_xml(tmp1);
}
if (added->children == NULL && removed->children == NULL) {
free_xml(diff);
diff = NULL;
}
return diff;
}
gboolean
can_prune_leaf(xmlNode * xml_node)
{
xmlNode *cIter = NULL;
xmlAttrPtr pIter = NULL;
gboolean can_prune = TRUE;
const char *name = crm_element_name(xml_node);
if (safe_str_eq(name, XML_TAG_RESOURCE_REF)
|| safe_str_eq(name, XML_CIB_TAG_OBJ_REF)
|| safe_str_eq(name, XML_ACL_TAG_ROLE_REF)
|| safe_str_eq(name, XML_ACL_TAG_ROLE_REFv1)) {
return FALSE;
}
for (pIter = crm_first_attr(xml_node); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
if (strcmp(p_name, XML_ATTR_ID) == 0) {
continue;
}
can_prune = FALSE;
}
cIter = __xml_first_child(xml_node);
while (cIter) {
xmlNode *child = cIter;
cIter = __xml_next(cIter);
if (can_prune_leaf(child)) {
free_xml(child);
} else {
can_prune = FALSE;
}
}
return can_prune;
}
void
diff_filter_context(int context, int upper_bound, int lower_bound,
xmlNode * xml_node, xmlNode * parent)
{
xmlNode *us = NULL;
xmlNode *child = NULL;
xmlAttrPtr pIter = NULL;
xmlNode *new_parent = parent;
const char *name = crm_element_name(xml_node);
CRM_CHECK(xml_node != NULL && name != NULL, return);
us = create_xml_node(parent, name);
for (pIter = crm_first_attr(xml_node); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
lower_bound = context;
crm_xml_add(us, p_name, p_value);
}
if (lower_bound >= 0 || upper_bound >= 0) {
crm_xml_add(us, XML_ATTR_ID, ID(xml_node));
new_parent = us;
} else {
upper_bound = in_upper_context(0, context, xml_node);
if (upper_bound >= 0) {
crm_xml_add(us, XML_ATTR_ID, ID(xml_node));
new_parent = us;
} else {
free_xml(us);
us = NULL;
}
}
for (child = __xml_first_child(us); child != NULL; child = __xml_next(child)) {
diff_filter_context(context, upper_bound - 1, lower_bound - 1, child, new_parent);
}
}
int
in_upper_context(int depth, int context, xmlNode * xml_node)
{
if (context == 0) {
return 0;
}
if (xml_node->properties) {
return depth;
} else if (depth < context) {
xmlNode *child = NULL;
for (child = __xml_first_child(xml_node); child != NULL; child = __xml_next(child)) {
if (in_upper_context(depth + 1, context, child)) {
return depth;
}
}
}
return 0;
}
static xmlNode *
find_xml_comment(xmlNode * root, xmlNode * search_comment)
{
xmlNode *a_child = NULL;
CRM_CHECK(search_comment->type == XML_COMMENT_NODE, return NULL);
for (a_child = __xml_first_child(root); a_child != NULL; a_child = __xml_next(a_child)) {
if (a_child->type != XML_COMMENT_NODE) {
continue;
}
if (safe_str_eq((const char *)a_child->content, (const char *)search_comment->content)) {
return a_child;
}
}
return NULL;
}
static xmlNode *
subtract_xml_comment(xmlNode * parent, xmlNode * left, xmlNode * right,
gboolean * changed)
{
CRM_CHECK(left != NULL, return NULL);
CRM_CHECK(left->type == XML_COMMENT_NODE, return NULL);
if (right == NULL
|| safe_str_neq((const char *)left->content, (const char *)right->content)) {
xmlNode *deleted = NULL;
deleted = add_node_copy(parent, left);
*changed = TRUE;
return deleted;
}
return NULL;
}
xmlNode *
subtract_xml_object(xmlNode * parent, xmlNode * left, xmlNode * right,
gboolean full, gboolean * changed, const char *marker)
{
gboolean dummy = FALSE;
gboolean skip = FALSE;
xmlNode *diff = NULL;
xmlNode *right_child = NULL;
xmlNode *left_child = NULL;
xmlAttrPtr xIter = NULL;
const char *id = NULL;
const char *name = NULL;
const char *value = NULL;
const char *right_val = NULL;
int lpc = 0;
static int filter_len = DIMOF(filter);
if (changed == NULL) {
changed = &dummy;
}
if (left == NULL) {
return NULL;
}
if (left->type == XML_COMMENT_NODE) {
return subtract_xml_comment(parent, left, right, changed);
}
id = ID(left);
if (right == NULL) {
xmlNode *deleted = NULL;
crm_trace("Processing <%s id=%s> (complete copy)", crm_element_name(left), id);
deleted = add_node_copy(parent, left);
crm_xml_add(deleted, XML_DIFF_MARKER, marker);
*changed = TRUE;
return deleted;
}
name = crm_element_name(left);
CRM_CHECK(name != NULL, return NULL);
CRM_CHECK(safe_str_eq(crm_element_name(left), crm_element_name(right)), return NULL);
/* check for XML_DIFF_MARKER in a child */
value = crm_element_value(right, XML_DIFF_MARKER);
if (value != NULL && strcmp(value, "removed:top") == 0) {
crm_trace("We are the root of the deletion: %s.id=%s", name, id);
*changed = TRUE;
return NULL;
}
/* Avoiding creating the full heirarchy would save even more work here */
diff = create_xml_node(parent, name);
/* Reset filter */
for (lpc = 0; lpc < filter_len; lpc++) {
filter[lpc].found = FALSE;
}
/* changes to child objects */
for (left_child = __xml_first_child(left); left_child != NULL;
left_child = __xml_next(left_child)) {
gboolean child_changed = FALSE;
right_child = find_element(right, left_child);
subtract_xml_object(diff, left_child, right_child, full, &child_changed, marker);
if (child_changed) {
*changed = TRUE;
}
}
if (*changed == FALSE) {
/* Nothing to do */
} else if (full) {
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(left); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
xmlSetProp(diff, (const xmlChar *)p_name, (const xmlChar *)p_value);
}
/* We already have everything we need... */
goto done;
} else if (id) {
xmlSetProp(diff, (const xmlChar *)XML_ATTR_ID, (const xmlChar *)id);
}
/* changes to name/value pairs */
for (xIter = crm_first_attr(left); xIter != NULL; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
xmlAttrPtr right_attr = NULL;
xml_private_t *p = NULL;
if (strcmp(prop_name, XML_ATTR_ID) == 0) {
continue;
}
skip = FALSE;
for (lpc = 0; skip == FALSE && lpc < filter_len; lpc++) {
if (filter[lpc].found == FALSE && strcmp(prop_name, filter[lpc].string) == 0) {
filter[lpc].found = TRUE;
skip = TRUE;
break;
}
}
if (skip) {
continue;
}
right_attr = xmlHasProp(right, (const xmlChar *)prop_name);
if (right_attr) {
p = right_attr->_private;
}
right_val = crm_element_value(right, prop_name);
if (right_val == NULL || (p && is_set(p->flags, xpf_deleted))) {
/* new */
*changed = TRUE;
if (full) {
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(left); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
xmlSetProp(diff, (const xmlChar *)p_name, (const xmlChar *)p_value);
}
break;
} else {
const char *left_value = crm_element_value(left, prop_name);
xmlSetProp(diff, (const xmlChar *)prop_name, (const xmlChar *)value);
crm_xml_add(diff, prop_name, left_value);
}
} else {
/* Only now do we need the left value */
const char *left_value = crm_element_value(left, prop_name);
if (strcmp(left_value, right_val) == 0) {
/* unchanged */
} else {
*changed = TRUE;
if (full) {
xmlAttrPtr pIter = NULL;
crm_trace("Changes detected to %s in <%s id=%s>", prop_name,
crm_element_name(left), id);
for (pIter = crm_first_attr(left); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
xmlSetProp(diff, (const xmlChar *)p_name, (const xmlChar *)p_value);
}
break;
} else {
crm_trace("Changes detected to %s (%s -> %s) in <%s id=%s>",
prop_name, left_value, right_val, crm_element_name(left), id);
crm_xml_add(diff, prop_name, left_value);
}
}
}
}
if (*changed == FALSE) {
free_xml(diff);
return NULL;
} else if (full == FALSE && id) {
crm_xml_add(diff, XML_ATTR_ID, id);
}
done:
return diff;
}
static int
add_xml_comment(xmlNode * parent, xmlNode * target, xmlNode * update)
{
CRM_CHECK(update != NULL, return 0);
CRM_CHECK(update->type == XML_COMMENT_NODE, return 0);
if (target == NULL) {
target = find_xml_comment(parent, update);
}
if (target == NULL) {
add_node_copy(parent, update);
/* We won't reach here currently */
} else if (safe_str_neq((const char *)target->content, (const char *)update->content)) {
xmlFree(target->content);
target->content = xmlStrdup(update->content);
}
return 0;
}
int
add_xml_object(xmlNode * parent, xmlNode * target, xmlNode * update, gboolean as_diff)
{
xmlNode *a_child = NULL;
const char *object_id = NULL;
const char *object_name = NULL;
#if XML_PARSE_DEBUG
crm_log_xml_trace("update:", update);
crm_log_xml_trace("target:", target);
#endif
CRM_CHECK(update != NULL, return 0);
if (update->type == XML_COMMENT_NODE) {
return add_xml_comment(parent, target, update);
}
object_name = crm_element_name(update);
object_id = ID(update);
CRM_CHECK(object_name != NULL, return 0);
if (target == NULL && object_id == NULL) {
/* placeholder object */
target = find_xml_node(parent, object_name, FALSE);
} else if (target == NULL) {
target = find_entity(parent, object_name, object_id);
}
if (target == NULL) {
target = create_xml_node(parent, object_name);
CRM_CHECK(target != NULL, return 0);
#if XML_PARSER_DEBUG
crm_trace("Added <%s%s%s/>", crm_str(object_name),
object_id ? " id=" : "", object_id ? object_id : "");
} else {
crm_trace("Found node <%s%s%s/> to update",
crm_str(object_name), object_id ? " id=" : "", object_id ? object_id : "");
#endif
}
CRM_CHECK(safe_str_eq(crm_element_name(target), crm_element_name(update)), return 0);
if (as_diff == FALSE) {
/* So that expand_plus_plus() gets called */
copy_in_properties(target, update);
} else {
/* No need for expand_plus_plus(), just raw speed */
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(update); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
/* Remove it first so the ordering of the update is preserved */
xmlUnsetProp(target, (const xmlChar *)p_name);
xmlSetProp(target, (const xmlChar *)p_name, (const xmlChar *)p_value);
}
}
for (a_child = __xml_first_child(update); a_child != NULL; a_child = __xml_next(a_child)) {
#if XML_PARSER_DEBUG
crm_trace("Updating child <%s id=%s>", crm_element_name(a_child), ID(a_child));
#endif
add_xml_object(target, NULL, a_child, as_diff);
}
#if XML_PARSER_DEBUG
crm_trace("Finished with <%s id=%s>", crm_str(object_name), crm_str(object_id));
#endif
return 0;
}
gboolean
update_xml_child(xmlNode * child, xmlNode * to_update)
{
gboolean can_update = TRUE;
xmlNode *child_of_child = NULL;
CRM_CHECK(child != NULL, return FALSE);
CRM_CHECK(to_update != NULL, return FALSE);
if (safe_str_neq(crm_element_name(to_update), crm_element_name(child))) {
can_update = FALSE;
} else if (safe_str_neq(ID(to_update), ID(child))) {
can_update = FALSE;
} else if (can_update) {
#if XML_PARSER_DEBUG
crm_log_xml_trace(child, "Update match found...");
#endif
add_xml_object(NULL, child, to_update, FALSE);
}
for (child_of_child = __xml_first_child(child); child_of_child != NULL;
child_of_child = __xml_next(child_of_child)) {
/* only update the first one */
if (can_update) {
break;
}
can_update = update_xml_child(child_of_child, to_update);
}
return can_update;
}
int
find_xml_children(xmlNode ** children, xmlNode * root,
const char *tag, const char *field, const char *value, gboolean search_matches)
{
int match_found = 0;
CRM_CHECK(root != NULL, return FALSE);
CRM_CHECK(children != NULL, return FALSE);
if (tag != NULL && safe_str_neq(tag, crm_element_name(root))) {
} else if (value != NULL && safe_str_neq(value, crm_element_value(root, field))) {
} else {
if (*children == NULL) {
*children = create_xml_node(NULL, __FUNCTION__);
}
add_node_copy(*children, root);
match_found = 1;
}
if (search_matches || match_found == 0) {
xmlNode *child = NULL;
for (child = __xml_first_child(root); child != NULL; child = __xml_next(child)) {
match_found += find_xml_children(children, child, tag, field, value, search_matches);
}
}
return match_found;
}
gboolean
replace_xml_child(xmlNode * parent, xmlNode * child, xmlNode * update, gboolean delete_only)
{
gboolean can_delete = FALSE;
xmlNode *child_of_child = NULL;
const char *up_id = NULL;
const char *child_id = NULL;
const char *right_val = NULL;
CRM_CHECK(child != NULL, return FALSE);
CRM_CHECK(update != NULL, return FALSE);
up_id = ID(update);
child_id = ID(child);
if (up_id == NULL || (child_id && strcmp(child_id, up_id) == 0)) {
can_delete = TRUE;
}
if (safe_str_neq(crm_element_name(update), crm_element_name(child))) {
can_delete = FALSE;
}
if (can_delete && delete_only) {
xmlAttrPtr pIter = NULL;
for (pIter = crm_first_attr(update); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
right_val = crm_element_value(child, p_name);
if (safe_str_neq(p_value, right_val)) {
can_delete = FALSE;
}
}
}
if (can_delete && parent != NULL) {
crm_log_xml_trace(child, "Delete match found...");
if (delete_only || update == NULL) {
free_xml(child);
} else {
xmlNode *tmp = copy_xml(update);
xmlDoc *doc = tmp->doc;
xmlNode *old = NULL;
xml_accept_changes(tmp);
old = xmlReplaceNode(child, tmp);
if(xml_tracking_changes(tmp)) {
/* Replaced sections may have included relevant ACLs */
__xml_acl_apply(tmp);
}
xml_calculate_changes(old, tmp);
xmlDocSetRootElement(doc, old);
free_xml(old);
}
child = NULL;
return TRUE;
} else if (can_delete) {
crm_log_xml_debug(child, "Cannot delete the search root");
can_delete = FALSE;
}
child_of_child = __xml_first_child(child);
while (child_of_child) {
xmlNode *next = __xml_next(child_of_child);
can_delete = replace_xml_child(child, child_of_child, update, delete_only);
/* only delete the first one */
if (can_delete) {
child_of_child = NULL;
} else {
child_of_child = next;
}
}
return can_delete;
}
void
hash2nvpair(gpointer key, gpointer value, gpointer user_data)
{
const char *name = key;
const char *s_value = value;
xmlNode *xml_node = user_data;
xmlNode *xml_child = create_xml_node(xml_node, XML_CIB_TAG_NVPAIR);
crm_xml_add(xml_child, XML_ATTR_ID, name);
crm_xml_add(xml_child, XML_NVPAIR_ATTR_NAME, name);
crm_xml_add(xml_child, XML_NVPAIR_ATTR_VALUE, s_value);
crm_trace("dumped: name=%s value=%s", name, s_value);
}
void
hash2smartfield(gpointer key, gpointer value, gpointer user_data)
{
const char *name = key;
const char *s_value = value;
xmlNode *xml_node = user_data;
if (isdigit(name[0])) {
xmlNode *tmp = create_xml_node(xml_node, XML_TAG_PARAM);
crm_xml_add(tmp, XML_NVPAIR_ATTR_NAME, name);
crm_xml_add(tmp, XML_NVPAIR_ATTR_VALUE, s_value);
} else if (crm_element_value(xml_node, name) == NULL) {
crm_xml_add(xml_node, name, s_value);
crm_trace("dumped: %s=%s", name, s_value);
} else {
crm_trace("duplicate: %s=%s", name, s_value);
}
}
void
hash2field(gpointer key, gpointer value, gpointer user_data)
{
const char *name = key;
const char *s_value = value;
xmlNode *xml_node = user_data;
if (crm_element_value(xml_node, name) == NULL) {
crm_xml_add(xml_node, name, s_value);
} else {
crm_trace("duplicate: %s=%s", name, s_value);
}
}
void
hash2metafield(gpointer key, gpointer value, gpointer user_data)
{
char *crm_name = NULL;
if (key == NULL || value == NULL) {
return;
} else if (((char *)key)[0] == '#') {
return;
} else if (strstr(key, ":")) {
return;
}
crm_name = crm_meta_name(key);
hash2field(crm_name, value, user_data);
free(crm_name);
}
GHashTable *
xml2list(xmlNode * parent)
{
xmlNode *child = NULL;
xmlAttrPtr pIter = NULL;
xmlNode *nvpair_list = NULL;
GHashTable *nvpair_hash = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, g_hash_destroy_str);
CRM_CHECK(parent != NULL, return nvpair_hash);
nvpair_list = find_xml_node(parent, XML_TAG_ATTRS, FALSE);
if (nvpair_list == NULL) {
crm_trace("No attributes in %s", crm_element_name(parent));
crm_log_xml_trace(parent, "No attributes for resource op");
}
crm_log_xml_trace(nvpair_list, "Unpacking");
for (pIter = crm_first_attr(nvpair_list); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
crm_trace("Added %s=%s", p_name, p_value);
g_hash_table_insert(nvpair_hash, strdup(p_name), strdup(p_value));
}
for (child = __xml_first_child(nvpair_list); child != NULL; child = __xml_next(child)) {
if (strcmp((const char *)child->name, XML_TAG_PARAM) == 0) {
const char *key = crm_element_value(child, XML_NVPAIR_ATTR_NAME);
const char *value = crm_element_value(child, XML_NVPAIR_ATTR_VALUE);
crm_trace("Added %s=%s", key, value);
if (key != NULL && value != NULL) {
g_hash_table_insert(nvpair_hash, strdup(key), strdup(value));
}
}
}
return nvpair_hash;
}
typedef struct name_value_s {
const char *name;
const void *value;
} name_value_t;
static gint
sort_pairs(gconstpointer a, gconstpointer b)
{
int rc = 0;
const name_value_t *pair_a = a;
const name_value_t *pair_b = b;
CRM_ASSERT(a != NULL);
CRM_ASSERT(pair_a->name != NULL);
CRM_ASSERT(b != NULL);
CRM_ASSERT(pair_b->name != NULL);
rc = strcmp(pair_a->name, pair_b->name);
if (rc < 0) {
return -1;
} else if (rc > 0) {
return 1;
}
return 0;
}
static void
dump_pair(gpointer data, gpointer user_data)
{
name_value_t *pair = data;
xmlNode *parent = user_data;
crm_xml_add(parent, pair->name, pair->value);
}
xmlNode *
sorted_xml(xmlNode * input, xmlNode * parent, gboolean recursive)
{
xmlNode *child = NULL;
GListPtr sorted = NULL;
GListPtr unsorted = NULL;
name_value_t *pair = NULL;
xmlNode *result = NULL;
const char *name = NULL;
xmlAttrPtr pIter = NULL;
CRM_CHECK(input != NULL, return NULL);
name = crm_element_name(input);
CRM_CHECK(name != NULL, return NULL);
result = create_xml_node(parent, name);
for (pIter = crm_first_attr(input); pIter != NULL; pIter = pIter->next) {
const char *p_name = (const char *)pIter->name;
const char *p_value = crm_attr_value(pIter);
pair = calloc(1, sizeof(name_value_t));
pair->name = p_name;
pair->value = p_value;
unsorted = g_list_prepend(unsorted, pair);
pair = NULL;
}
sorted = g_list_sort(unsorted, sort_pairs);
g_list_foreach(sorted, dump_pair, result);
g_list_free_full(sorted, free);
for (child = __xml_first_child(input); child != NULL; child = __xml_next(child)) {
if (recursive) {
sorted_xml(child, result, recursive);
} else {
add_node_copy(result, child);
}
}
return result;
}
-static gboolean
-validate_with_dtd(xmlDocPtr doc, gboolean to_logs, const char *dtd_file)
-{
- gboolean valid = TRUE;
-
- xmlDtdPtr dtd = NULL;
- xmlValidCtxtPtr cvp = NULL;
-
- CRM_CHECK(doc != NULL, return FALSE);
- CRM_CHECK(dtd_file != NULL, return FALSE);
-
- dtd = xmlParseDTD(NULL, (const xmlChar *)dtd_file);
- if(dtd == NULL) {
- crm_err("Could not locate/parse DTD: %s", dtd_file);
- return TRUE;
- }
-
- cvp = xmlNewValidCtxt();
- if(cvp) {
- if (to_logs) {
- cvp->userData = (void *)LOG_ERR;
- cvp->error = (xmlValidityErrorFunc) xml_log;
- cvp->warning = (xmlValidityWarningFunc) xml_log;
- } else {
- cvp->userData = (void *)stderr;
- cvp->error = (xmlValidityErrorFunc) fprintf;
- cvp->warning = (xmlValidityWarningFunc) fprintf;
- }
-
- if (!xmlValidateDtd(cvp, doc, dtd)) {
- valid = FALSE;
- }
- xmlFreeValidCtxt(cvp);
-
- } else {
- crm_err("Internal error: No valid context");
- }
-
- xmlFreeDtd(dtd);
- return valid;
-}
-
xmlNode *
first_named_child(xmlNode * parent, const char *name)
{
xmlNode *match = NULL;
for (match = __xml_first_child(parent); match != NULL; match = __xml_next(match)) {
/*
* name == NULL gives first child regardless of name; this is
* semantically incorrect in this function, but may be necessary
* due to prior use of xml_child_iter_filter
*/
if (name == NULL || strcmp((const char *)match->name, name) == 0) {
return match;
}
}
return NULL;
}
-#if 0
-static void
-relaxng_invalid_stderr(void *userData, xmlErrorPtr error)
-{
- /*
- Structure xmlError
- struct _xmlError {
- int domain : What part of the library raised this er
- int code : The error code, e.g. an xmlParserError
- char * message : human-readable informative error messag
- xmlErrorLevel level : how consequent is the error
- char * file : the filename
- int line : the line number if available
- char * str1 : extra string information
- char * str2 : extra string information
- char * str3 : extra string information
- int int1 : extra number information
- int int2 : column number of the error or 0 if N/A
- void * ctxt : the parser context if available
- void * node : the node in the tree
- }
- */
- crm_err("Structured error: line=%d, level=%d %s", error->line, error->level, error->message);
-}
-#endif
-
-static gboolean
-validate_with_relaxng(xmlDocPtr doc, gboolean to_logs, const char *relaxng_file,
- relaxng_ctx_cache_t ** cached_ctx)
-{
- int rc = 0;
- gboolean valid = TRUE;
- relaxng_ctx_cache_t *ctx = NULL;
-
- CRM_CHECK(doc != NULL, return FALSE);
- CRM_CHECK(relaxng_file != NULL, return FALSE);
-
- if (cached_ctx && *cached_ctx) {
- ctx = *cached_ctx;
-
- } else {
- crm_info("Creating RNG parser context");
- ctx = calloc(1, sizeof(relaxng_ctx_cache_t));
-
- xmlLoadExtDtdDefaultValue = 1;
- ctx->parser = xmlRelaxNGNewParserCtxt(relaxng_file);
- CRM_CHECK(ctx->parser != NULL, goto cleanup);
-
- if (to_logs) {
- xmlRelaxNGSetParserErrors(ctx->parser,
- (xmlRelaxNGValidityErrorFunc) xml_log,
- (xmlRelaxNGValidityWarningFunc) xml_log,
- GUINT_TO_POINTER(LOG_ERR));
- } else {
- xmlRelaxNGSetParserErrors(ctx->parser,
- (xmlRelaxNGValidityErrorFunc) fprintf,
- (xmlRelaxNGValidityWarningFunc) fprintf, stderr);
- }
-
- ctx->rng = xmlRelaxNGParse(ctx->parser);
- CRM_CHECK(ctx->rng != NULL, crm_err("Could not find/parse %s", relaxng_file);
- goto cleanup);
-
- ctx->valid = xmlRelaxNGNewValidCtxt(ctx->rng);
- CRM_CHECK(ctx->valid != NULL, goto cleanup);
-
- if (to_logs) {
- xmlRelaxNGSetValidErrors(ctx->valid,
- (xmlRelaxNGValidityErrorFunc) xml_log,
- (xmlRelaxNGValidityWarningFunc) xml_log,
- GUINT_TO_POINTER(LOG_ERR));
- } else {
- xmlRelaxNGSetValidErrors(ctx->valid,
- (xmlRelaxNGValidityErrorFunc) fprintf,
- (xmlRelaxNGValidityWarningFunc) fprintf, stderr);
- }
- }
-
- /* xmlRelaxNGSetValidStructuredErrors( */
- /* valid, relaxng_invalid_stderr, valid); */
-
- xmlLineNumbersDefault(1);
- rc = xmlRelaxNGValidateDoc(ctx->valid, doc);
- if (rc > 0) {
- valid = FALSE;
-
- } else if (rc < 0) {
- crm_err("Internal libxml error during validation\n");
- }
-
- cleanup:
-
- if (cached_ctx) {
- *cached_ctx = ctx;
-
- } else {
- if (ctx->parser != NULL) {
- xmlRelaxNGFreeParserCtxt(ctx->parser);
- }
- if (ctx->valid != NULL) {
- xmlRelaxNGFreeValidCtxt(ctx->valid);
- }
- if (ctx->rng != NULL) {
- xmlRelaxNGFree(ctx->rng);
- }
- free(ctx);
- }
-
- return valid;
-}
-
void
crm_xml_init(void)
{
static bool init = TRUE;
if(init) {
init = FALSE;
/* The default allocator XML_BUFFER_ALLOC_EXACT does far too many
* realloc_safe()s and it can take upwards of 18 seconds (yes, seconds)
* to dump a 28kb tree which XML_BUFFER_ALLOC_DOUBLEIT can do in
* less than 1 second.
*/
xmlSetBufferAllocationScheme(XML_BUFFER_ALLOC_DOUBLEIT);
/* Populate and free the _private field when nodes are created and destroyed */
xmlDeregisterNodeDefault(pcmkDeregisterNode);
xmlRegisterNodeDefault(pcmkRegisterNode);
- __xml_build_schema_list();
+ crm_schema_init();
}
}
void
crm_xml_cleanup(void)
{
- int lpc = 0;
- relaxng_ctx_cache_t *ctx = NULL;
-
crm_info("Cleaning up memory from libxml2");
- for (; lpc < xml_schema_max; lpc++) {
-
- switch (known_schemas[lpc].type) {
- case 0:
- /* None */
- break;
- case 1:
- /* DTD - Not cached */
- break;
- case 2:
- /* RNG - Cached */
- ctx = (relaxng_ctx_cache_t *) known_schemas[lpc].cache;
- if (ctx == NULL) {
- break;
- }
- if (ctx->parser != NULL) {
- xmlRelaxNGFreeParserCtxt(ctx->parser);
- }
- if (ctx->valid != NULL) {
- xmlRelaxNGFreeValidCtxt(ctx->valid);
- }
- if (ctx->rng != NULL) {
- xmlRelaxNGFree(ctx->rng);
- }
- free(ctx);
- known_schemas[lpc].cache = NULL;
- break;
- default:
- break;
- }
- free(known_schemas[lpc].name);
- free(known_schemas[lpc].location);
- free(known_schemas[lpc].transform);
- }
- free(known_schemas);
- xsltCleanupGlobals();
+ crm_schema_cleanup();
xmlCleanupParser();
}
-static gboolean
-validate_with(xmlNode * xml, int method, gboolean to_logs)
-{
- xmlDocPtr doc = NULL;
- gboolean valid = FALSE;
- int type = 0;
- char *file = NULL;
-
- if(method < 0) {
- return FALSE;
- }
-
- type = known_schemas[method].type;
- if(type == 0) {
- return TRUE;
- }
-
- CRM_CHECK(xml != NULL, return FALSE);
- doc = getDocPtr(xml);
- file = get_schema_path(known_schemas[method].name, known_schemas[method].location);
-
- crm_trace("Validating with: %s (type=%d)", crm_str(file), type);
- switch (type) {
- case 1:
- valid = validate_with_dtd(doc, to_logs, file);
- break;
- case 2:
- valid =
- validate_with_relaxng(doc, to_logs, file,
- (relaxng_ctx_cache_t **) & (known_schemas[method].cache));
- break;
- default:
- crm_err("Unknown validator type: %d", type);
- break;
- }
-
- free(file);
- return valid;
-}
-
-#include <stdio.h>
-static void
-dump_file(const char *filename)
-{
-
- FILE *fp = NULL;
- int ch, line = 0;
-
- CRM_CHECK(filename != NULL, return);
-
- fp = fopen(filename, "r");
- CRM_CHECK(fp != NULL, return);
-
- fprintf(stderr, "%4d ", ++line);
- do {
- ch = getc(fp);
- if (ch == EOF) {
- putc('\n', stderr);
- break;
- } else if (ch == '\n') {
- fprintf(stderr, "\n%4d ", ++line);
- } else {
- putc(ch, stderr);
- }
- } while (1);
-
- fclose(fp);
-}
-
-gboolean
-validate_xml_verbose(xmlNode * xml_blob)
-{
- int fd = 0;
- xmlDoc *doc = NULL;
- xmlNode *xml = NULL;
- gboolean rc = FALSE;
- char *filename = strdup(CRM_STATE_DIR "/cib-invalid.XXXXXX");
-
- umask(S_IWGRP | S_IWOTH | S_IROTH);
- fd = mkstemp(filename);
- write_xml_fd(xml_blob, filename, fd, FALSE);
-
- dump_file(filename);
-
- doc = xmlParseFile(filename);
- xml = xmlDocGetRootElement(doc);
- rc = validate_xml(xml, NULL, FALSE);
- free_xml(xml);
-
- unlink(filename);
- free(filename);
-
- return rc;
-}
-
-gboolean
-validate_xml(xmlNode * xml_blob, const char *validation, gboolean to_logs)
-{
- int version = 0;
-
- if (validation == NULL) {
- validation = crm_element_value(xml_blob, XML_ATTR_VALIDATION);
- }
-
- if (validation == NULL) {
- int lpc = 0;
- bool valid = FALSE;
-
- validation = crm_element_value(xml_blob, "ignore-dtd");
- if (crm_is_true(validation)) {
- /* Legacy compatibilty */
- crm_xml_add(xml_blob, XML_ATTR_VALIDATION, "none");
- return TRUE;
- }
-
- /* Work it out */
- for (lpc = 0; lpc < xml_schema_max; lpc++) {
- if(validate_with(xml_blob, lpc, FALSE)) {
- valid = TRUE;
- crm_xml_add(xml_blob, XML_ATTR_VALIDATION, known_schemas[lpc].name);
- crm_info("XML validated against %s", known_schemas[lpc].name);
- if(known_schemas[lpc].after_transform == 0) {
- break;
- }
- }
- }
-
- return valid;
- }
-
- version = get_schema_version(validation);
- if (strcmp(validation, "none") == 0) {
- return TRUE;
-
- } else if(version < xml_schema_max) {
- return validate_with(xml_blob, version, to_logs);
-
- }
-
- crm_err("Unknown validator: %s", validation);
- return FALSE;
-}
-
-#if HAVE_LIBXSLT
-static xmlNode *
-apply_transformation(xmlNode * xml, const char *transform)
-{
- char *xform = NULL;
- xmlNode *out = NULL;
- xmlDocPtr res = NULL;
- xmlDocPtr doc = NULL;
- xsltStylesheet *xslt = NULL;
-
- CRM_CHECK(xml != NULL, return FALSE);
- doc = getDocPtr(xml);
- xform = get_schema_path(NULL, transform);
-
- xmlLoadExtDtdDefaultValue = 1;
- xmlSubstituteEntitiesDefault(1);
-
- xslt = xsltParseStylesheetFile((const xmlChar *)xform);
- CRM_CHECK(xslt != NULL, goto cleanup);
-
- res = xsltApplyStylesheet(xslt, doc, NULL);
- CRM_CHECK(res != NULL, goto cleanup);
-
- out = xmlDocGetRootElement(res);
-
- cleanup:
- if (xslt) {
- xsltFreeStylesheet(xslt);
- }
-
- free(xform);
-
- return out;
-}
-#endif
-
-const char *
-get_schema_name(int version)
-{
- if (version < 0 || version >= xml_schema_max) {
- return "unknown";
- }
- return known_schemas[version].name;
-}
-
-int
-get_schema_version(const char *name)
-{
- int lpc = 0;
-
- if(name == NULL) {
- name = "none";
- }
- for (; lpc < xml_schema_max; lpc++) {
- if (safe_str_eq(name, known_schemas[lpc].name)) {
- return lpc;
- }
- }
- return -1;
-}
-
-/* set which validation to use */
-#include <crm/cib.h>
-int
-update_validation(xmlNode ** xml_blob, int *best, int max, gboolean transform, gboolean to_logs)
-{
- xmlNode *xml = NULL;
- char *value = NULL;
- int max_stable_schemas = xml_latest_schema_index();
- int lpc = 0, match = -1, rc = pcmk_ok;
- int next = -1; /* -1 denotes "inactive" value */
-
- CRM_CHECK(best != NULL, return -EINVAL);
- CRM_CHECK(xml_blob != NULL, return -EINVAL);
- CRM_CHECK(*xml_blob != NULL, return -EINVAL);
-
- *best = 0;
- xml = *xml_blob;
- value = crm_element_value_copy(xml, XML_ATTR_VALIDATION);
-
- if (value != NULL) {
- match = get_schema_version(value);
-
- lpc = match;
- if (lpc >= 0 && transform == FALSE) {
- lpc++;
-
- } else if (lpc < 0) {
- crm_debug("Unknown validation type");
- lpc = 0;
- }
- }
-
- if (match >= max_stable_schemas) {
- /* nothing to do */
- free(value);
- *best = match;
- return pcmk_ok;
- }
-
- while(lpc <= max_stable_schemas) {
- crm_debug("Testing '%s' validation (%d of %d)",
- known_schemas[lpc].name ? known_schemas[lpc].name : "<unset>",
- lpc, max_stable_schemas);
-
- if (validate_with(xml, lpc, to_logs) == FALSE) {
- if (next != -1) {
- crm_info("Configuration not valid for schema: %s", known_schemas[lpc].name);
- next = -1;
- } else {
- crm_trace("%s validation failed", known_schemas[lpc].name ? known_schemas[lpc].name : "<unset>");
- }
- if (*best) {
- /* we've satisfied the validation, no need to check further */
- break;
- }
- rc = -pcmk_err_schema_validation;
-
- } else {
- if (next != -1) {
- crm_debug("Configuration valid for schema: %s", known_schemas[next].name);
- next = -1;
- }
- rc = pcmk_ok;
- }
-
- if (rc == pcmk_ok) {
- *best = lpc;
- }
-
- if (rc == pcmk_ok && transform) {
- xmlNode *upgrade = NULL;
- next = known_schemas[lpc].after_transform;
-
- if (next < 0 || next <= lpc) {
- crm_trace("Stopping at %s", known_schemas[lpc].name);
- break;
-
- } else if (max > 0 && (lpc == max || next > max)) {
- crm_trace("Upgrade limit reached at %s (lpc=%d, next=%d, max=%d)",
- known_schemas[lpc].name, lpc, next, max);
- break;
-
- } else if (known_schemas[lpc].transform == NULL) {
- crm_debug("%s-style configuration is also valid for %s",
- known_schemas[lpc].name, known_schemas[next].name);
-
- lpc = next;
-
- } else {
- crm_debug("Upgrading %s-style configuration to %s with %s",
- known_schemas[lpc].name, known_schemas[next].name,
- known_schemas[lpc].transform ? known_schemas[lpc].transform : "no-op");
-
-#if HAVE_LIBXSLT
- upgrade = apply_transformation(xml, known_schemas[lpc].transform);
-#endif
- if (upgrade == NULL) {
- crm_err("Transformation %s failed", known_schemas[lpc].transform);
- rc = -pcmk_err_transform_failed;
-
- } else if (validate_with(upgrade, next, to_logs)) {
- crm_info("Transformation %s successful", known_schemas[lpc].transform);
- lpc = next;
- *best = next;
- free_xml(xml);
- xml = upgrade;
- rc = pcmk_ok;
-
- } else {
- crm_err("Transformation %s did not produce a valid configuration",
- known_schemas[lpc].transform);
- crm_log_xml_info(upgrade, "transform:bad");
- free_xml(upgrade);
- rc = -pcmk_err_schema_validation;
- }
- next = -1;
- }
- }
-
- if (transform == FALSE || rc != pcmk_ok) {
- /* we need some progress! */
- lpc++;
- }
- }
-
- if (*best > match) {
- crm_info("%s the configuration from %s to %s",
- transform?"Transformed":"Upgraded",
- value ? value : "<none>", known_schemas[*best].name);
- crm_xml_add(xml, XML_ATTR_VALIDATION, known_schemas[*best].name);
- }
-
- *xml_blob = xml;
- free(value);
- return rc;
-}
-
-gboolean
-cli_config_update(xmlNode ** xml, int *best_version, gboolean to_logs)
-{
- gboolean rc = TRUE;
- const char *value = crm_element_value(*xml, XML_ATTR_VALIDATION);
-
- int version = get_schema_version(value);
- int orig_version = version;
- int min_version = xml_minimum_schema_index();
-
- if (version < min_version) {
- xmlNode *converted = NULL;
-
- converted = copy_xml(*xml);
- update_validation(&converted, &version, 0, TRUE, to_logs);
-
- value = crm_element_value(converted, XML_ATTR_VALIDATION);
- if (version < min_version) {
- if (version < orig_version) {
- if (to_logs) {
- crm_config_err("Your current configuration could not validate"
- " with any schema in range [%s, %s]\n",
- get_schema_name(orig_version),
- xml_latest_schema());
- } else {
- fprintf(stderr, "Your current configuration could not validate"
- " with any schema in range [%s, %s]\n",
- get_schema_name(orig_version),
- xml_latest_schema());
- }
- } else if (to_logs) {
- crm_config_err("Your current configuration could only be upgraded to %s... "
- "the minimum requirement is %s.\n", crm_str(value),
- get_schema_name(min_version));
- } else {
- fprintf(stderr, "Your current configuration could only be upgraded to %s... "
- "the minimum requirement is %s.\n",
- crm_str(value), get_schema_name(min_version));
- }
-
- free_xml(converted);
- converted = NULL;
- rc = FALSE;
-
- } else {
- free_xml(*xml);
- *xml = converted;
-
- if (version < xml_latest_schema_index()) {
- crm_config_warn("Your configuration was internally updated to %s... "
- "which is acceptable but not the most recent",
- get_schema_name(version));
-
- } else if (to_logs) {
- crm_info("Your configuration was internally updated to the latest version (%s)",
- get_schema_name(version));
- }
- }
-
- } else if (version >= get_schema_version("none")) {
- if (to_logs) {
- crm_config_warn("Configuration validation is currently disabled."
- " It is highly encouraged and prevents many common cluster issues.");
-
- } else {
- fprintf(stderr, "Configuration validation is currently disabled."
- " It is highly encouraged and prevents many common cluster issues.\n");
- }
- }
-
- if (best_version) {
- *best_version = version;
- }
-
- return rc;
-}
-
xmlNode *
expand_idref(xmlNode * input, xmlNode * top)
{
const char *tag = NULL;
const char *ref = NULL;
xmlNode *result = input;
char *xpath_string = NULL;
if (result == NULL) {
return NULL;
} else if (top == NULL) {
top = input;
}
tag = crm_element_name(result);
ref = crm_element_value(result, XML_ATTR_IDREF);
if (ref != NULL) {
int xpath_max = 512, offset = 0;
xpath_string = calloc(1, xpath_max);
offset += snprintf(xpath_string + offset, xpath_max - offset, "//%s[@id='%s']", tag, ref);
CRM_LOG_ASSERT(offset > 0);
result = get_xpath_object(xpath_string, top, LOG_ERR);
if (result == NULL) {
char *nodePath = (char *)xmlGetNodePath(top);
crm_err("No match for %s found in %s: Invalid configuration", xpath_string,
crm_str(nodePath));
free(nodePath);
}
}
free(xpath_string);
return result;
}
const char *
crm_element_value(xmlNode * data, const char *name)
{
xmlAttr *attr = NULL;
if (data == NULL) {
crm_err("Couldn't find %s in NULL", name ? name : "<null>");
CRM_LOG_ASSERT(data != NULL);
return NULL;
} else if (name == NULL) {
crm_err("Couldn't find NULL in %s", crm_element_name(data));
return NULL;
}
attr = xmlHasProp(data, (const xmlChar *)name);
if (attr == NULL || attr->children == NULL) {
return NULL;
}
return (const char *)attr->children->content;
}
-