diff --git a/include/crm/cib/cib_types.h b/include/crm/cib/cib_types.h
index def8d27b84..3992f1f12b 100644
--- a/include/crm/cib/cib_types.h
+++ b/include/crm/cib/cib_types.h
@@ -1,351 +1,347 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#ifndef PCMK__CRM_CIB_CIB_TYPES__H
# define PCMK__CRM_CIB_CIB_TYPES__H
# include <glib.h> // gboolean, GList
# include <libxml/tree.h> // xmlNode
# include <crm/common/ipc.h>
# include <crm/common/xml.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file
* \brief Data types for Cluster Information Base access
* \ingroup cib
*/
enum cib_variant {
cib_undefined = 0,
cib_native = 1,
cib_file = 2,
cib_remote = 3,
};
enum cib_state {
// NOTE: sbd (as of at least 1.5.2) uses this value
cib_connected_command,
// NOTE: sbd (as of at least 1.5.2) uses this value
cib_connected_query,
cib_disconnected
};
enum cib_conn_type {
cib_command,
// NOTE: sbd (as of at least 1.5.2) uses this value
cib_query,
cib_no_connection,
cib_command_nonblocking,
};
enum cib_call_options {
cib_none = 0,
cib_verbose = (1 << 0), //!< Prefer stderr to logs
cib_xpath = (1 << 1),
cib_multiple = (1 << 2),
cib_can_create = (1 << 3),
cib_discard_reply = (1 << 4),
cib_no_children = (1 << 5),
cib_xpath_address = (1 << 6),
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
// NOTE: sbd (as of at least 1.5.2) uses this value
//! \deprecated This value will be removed in a future release
cib_scope_local = (1 << 8),
#endif // !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
cib_dryrun = (1 << 9),
/*!
* \brief Process request when the client commits the active transaction
*
* Add the request to the client's active transaction instead of processing
* it immediately. If the client has no active transaction, or if the
* request is not supported in transactions, the call will fail.
*
* The request is added to the transaction synchronously, and the return
* value indicates whether it was added successfully.
*
* Refer to \p cib_api_operations_t:init_transaction() and
* \p cib_api_operations_t:end_transaction() for more details on CIB
* transactions.
*/
cib_transaction = (1 << 10),
/*!
* \brief Treat new attribute values as atomic score updates where possible
*
* This option takes effect when updating XML attributes. For an attribute
* named \c "name", if the new value is \c "name++" or \c "name+=X" for some
* score \c X, the new value is set as follows:
* * If attribute \c "name" is not already set to some value in the element
* being updated, the new value is set as a literal string.
* * If the new value is \c "name++", then the attribute is set to its
* existing value (parsed as a score) plus 1.
* * If the new value is \c "name+=X" for some score \c X, then the
* attribute is set to its existing value plus \c X, where the existing
* value and \c X are parsed and added as scores.
*
* Scores are integer values capped at \c INFINITY and \c -INFINITY. Refer
* to Pacemaker Explained and to the \c char2score() function for more
* details on scores, including how they're parsed and added.
*
* Note: This is implemented only for modify operations.
*/
cib_score_update = (1 << 11),
// NOTE: sbd (as of at least 1.5.2) uses this value
cib_sync_call = (1 << 12),
cib_no_mtime = (1 << 13),
cib_inhibit_notify = (1 << 16),
cib_force_diff = (1 << 28),
};
typedef struct cib_s cib_t;
typedef struct cib_api_operations_s {
// NOTE: sbd (as of at least 1.5.2) uses this
// @COMPAT At compatibility break, drop name (always use crm_system_name)
int (*signon) (cib_t *cib, const char *name, enum cib_conn_type type);
// NOTE: sbd (as of at least 1.5.2) uses this
int (*signoff) (cib_t *cib);
int (*free) (cib_t *cib);
// NOTE: sbd (as of at least 1.5.2) uses this
int (*add_notify_callback) (cib_t *cib, const char *event,
void (*callback) (const char *event,
xmlNode *msg));
// NOTE: sbd (as of at least 1.5.2) uses this
int (*del_notify_callback) (cib_t *cib, const char *event,
void (*callback) (const char *event,
xmlNode *msg));
// NOTE: sbd (as of at least 1.5.2) uses this
int (*set_connection_dnotify) (cib_t *cib,
void (*dnotify) (gpointer user_data));
// NOTE: sbd (as of at least 1.5.2) uses this
//! \deprecated This method will be removed and should not be used
int (*noop) (cib_t *cib, int call_options);
int (*ping) (cib_t *cib, xmlNode **output_data, int call_options);
// NOTE: sbd (as of at least 1.5.2) uses this
int (*query) (cib_t *cib, const char *section, xmlNode **output_data,
int call_options);
int (*query_from) (cib_t *cib, const char *host, const char *section,
xmlNode **output_data, int call_options);
int (*sync) (cib_t *cib, const char *section, int call_options);
int (*sync_from) (cib_t *cib, const char *host, const char *section,
int call_options);
int (*upgrade) (cib_t *cib, int call_options);
int (*bump_epoch) (cib_t *cib, int call_options);
/*!
* The \c <failed> element in the reply to a failed creation call is
* deprecated since 2.1.8.
*/
int (*create) (cib_t *cib, const char *section, xmlNode *data,
int call_options);
int (*modify) (cib_t *cib, const char *section, xmlNode *data,
int call_options);
- //! \deprecated Use the \p modify() method instead
- int (*update) (cib_t *cib, const char *section, xmlNode *data,
- int call_options);
-
int (*replace) (cib_t *cib, const char *section, xmlNode *data,
int call_options);
int (*remove) (cib_t *cib, const char *section, xmlNode *data,
int call_options);
int (*erase) (cib_t *cib, xmlNode **output_data, int call_options);
//! \deprecated This method does nothing and should not be called
int (*delete_absolute) (cib_t *cib, const char *section, xmlNode *data,
int call_options);
//! \deprecated This method is not implemented and should not be used
int (*quit) (cib_t *cib, int call_options);
int (*register_notification) (cib_t *cib, const char *callback,
int enabled);
gboolean (*register_callback) (cib_t *cib, int call_id, int timeout,
gboolean only_success, void *user_data,
const char *callback_name,
void (*callback) (xmlNode*, int, int,
xmlNode*, void *));
gboolean (*register_callback_full)(cib_t *cib, int call_id, int timeout,
gboolean only_success, void *user_data,
const char *callback_name,
void (*callback)(xmlNode *, int, int,
xmlNode *, void *),
void (*free_func)(void *));
/*!
* \brief Set the local CIB manager as the cluster's primary instance
*
* \param[in,out] cib CIB connection
* \param[in] call_options Group of enum cib_call_options flags
*
* \return Legacy Pacemaker return code (in particular, pcmk_ok on success)
*/
int (*set_primary)(cib_t *cib, int call_options);
/*!
* \brief Set the local CIB manager as a secondary instance
*
* \param[in,out] cib CIB connection
* \param[in] call_options Group of enum cib_call_options flags
*
* \return Legacy Pacemaker return code (in particular, pcmk_ok on success)
*/
int (*set_secondary)(cib_t *cib, int call_options);
/*!
* \brief Get the given CIB connection's unique client identifier(s)
*
* These can be used to check whether this client requested the action that
* triggered a CIB notification.
*
* \param[in] cib CIB connection
* \param[out] async_id If not \p NULL, where to store asynchronous client
* ID
* \param[out] sync_id If not \p NULL, where to store synchronous client
* ID
*
* \return Legacy Pacemaker return code
*
* \note Some variants may have only one client for both asynchronous and
* synchronous requests.
*/
int (*client_id)(const cib_t *cib, const char **async_id,
const char **sync_id);
/*!
* \brief Initiate an atomic CIB transaction for this client
*
* If the client has initiated a transaction and a new request's call
* options contain \p cib_transaction, the new request is appended to the
* transaction for later processing.
*
* Supported requests are those that meet the following conditions:
* * can be processed synchronously (with any changes applied to a working
* CIB copy)
* * are not queries
* * do not involve other nodes
* * do not affect the state of pacemaker-based itself
*
* Currently supported CIB API functions include:
* * \p bump_epoch()
* * \p create()
* * \p erase()
* * \p modify()
* * \p remove()
* * \p replace()
* * \p upgrade()
*
* Because the transaction is atomic, individual requests do not trigger
* callbacks or notifications when they are processed, and they do not
* receive output XML. The commit request itself can trigger callbacks and
* notifications if any are registered.
*
* An \c init_transaction() call is always synchronous.
*
* \param[in,out] cib CIB connection
*
* \return Legacy Pacemaker return code
*/
int (*init_transaction)(cib_t *cib);
/*!
* \brief End and optionally commit this client's CIB transaction
*
* When a client commits a transaction, all requests in the transaction are
* processed in a FIFO manner until either a request fails or all requests
* have been processed. Changes are applied to a working copy of the CIB.
* If a request fails, the transaction and working CIB copy are discarded,
* and an error is returned. If all requests succeed, the working CIB copy
* replaces the initial CIB copy.
*
* Callbacks and notifications can be triggered by the commit request itself
* but not by the individual requests in a transaction.
*
* An \c end_transaction() call with \p commit set to \c false is always
* synchronous.
*
* \param[in,out] cib CIB connection
* \param[in] commit If \p true, commit transaction; otherwise,
* discard it
* \param[in] call_options Group of <tt>enum cib_call_options</tt>
* flags
*
* \return Legacy Pacemaker return code
*/
int (*end_transaction)(cib_t *cib, bool commit, int call_options);
/*!
* \brief Set the user as whom all CIB requests via methods will be executed
*
* By default, the value of the \c CIB_user environment variable is used if
* set. Otherwise, the current effective user is used.
*
* \param[in,out] cib CIB connection
* \param[in] user Name of user whose permissions to use when
* processing requests
*/
void (*set_user)(cib_t *cib, const char *user);
int (*fetch_schemas)(cib_t *cib, xmlNode **output_data, const char *after_ver,
int call_options);
} cib_api_operations_t;
struct cib_s {
// NOTE: sbd (as of at least 1.5.2) uses this
enum cib_state state;
enum cib_conn_type type;
enum cib_variant variant;
int call_id;
int call_timeout;
void *variant_opaque;
void *delegate_fn;
GList *notify_list;
//! \deprecated This method will be removed in a future release
void (*op_callback) (const xmlNode *msg, int call_id, int rc,
xmlNode *output);
// NOTE: sbd (as of at least 1.5.2) uses this
cib_api_operations_t *cmds;
xmlNode *transaction;
char *user;
};
#ifdef __cplusplus
}
#endif
#endif // PCMK__CRM_CIB_CIB_TYPES__H
diff --git a/lib/cib/cib_client.c b/lib/cib/cib_client.c
index d4cdf2e2a2..5572551a10 100644
--- a/lib/cib/cib_client.c
+++ b/lib/cib/cib_client.c
@@ -1,801 +1,800 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <pwd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <glib.h>
#include <crm/crm.h>
#include <crm/cib/internal.h>
#include <crm/common/xml.h>
static GHashTable *cib_op_callback_table = NULL;
#define op_common(cib) do { \
if(cib == NULL) { \
return -EINVAL; \
} else if(cib->delegate_fn == NULL) { \
return -EPROTONOSUPPORT; \
} \
} while(0)
static gint
ciblib_GCompareFunc(gconstpointer a, gconstpointer b)
{
int rc = 0;
const cib_notify_client_t *a_client = a;
const cib_notify_client_t *b_client = b;
CRM_CHECK(a_client->event != NULL && b_client->event != NULL, return 0);
rc = strcmp(a_client->event, b_client->event);
if (rc == 0) {
if (a_client->callback == b_client->callback) {
return 0;
} else if (((long)a_client->callback) < ((long)b_client->callback)) {
crm_trace("callbacks for %s are not equal: %p < %p",
a_client->event, a_client->callback, b_client->callback);
return -1;
}
crm_trace("callbacks for %s are not equal: %p > %p",
a_client->event, a_client->callback, b_client->callback);
return 1;
}
return rc;
}
static int
cib_client_add_notify_callback(cib_t * cib, const char *event,
void (*callback) (const char *event,
xmlNode * msg))
{
GList *list_item = NULL;
cib_notify_client_t *new_client = NULL;
if ((cib->variant != cib_native) && (cib->variant != cib_remote)) {
return -EPROTONOSUPPORT;
}
crm_trace("Adding callback for %s events (%d)",
event, g_list_length(cib->notify_list));
new_client = pcmk__assert_alloc(1, sizeof(cib_notify_client_t));
new_client->event = event;
new_client->callback = callback;
list_item = g_list_find_custom(cib->notify_list, new_client,
ciblib_GCompareFunc);
if (list_item != NULL) {
crm_warn("Callback already present");
free(new_client);
return -EINVAL;
} else {
cib->notify_list = g_list_append(cib->notify_list, new_client);
cib->cmds->register_notification(cib, event, 1);
crm_trace("Callback added (%d)", g_list_length(cib->notify_list));
}
return pcmk_ok;
}
static int
get_notify_list_event_count(cib_t *cib, const char *event)
{
int count = 0;
for (GList *iter = g_list_first(cib->notify_list); iter != NULL;
iter = iter->next) {
cib_notify_client_t *client = (cib_notify_client_t *) iter->data;
if (strcmp(client->event, event) == 0) {
count++;
}
}
crm_trace("event(%s) count : %d", event, count);
return count;
}
static int
cib_client_del_notify_callback(cib_t *cib, const char *event,
void (*callback) (const char *event,
xmlNode *msg))
{
GList *list_item = NULL;
cib_notify_client_t *new_client = NULL;
if (cib->variant != cib_native && cib->variant != cib_remote) {
return -EPROTONOSUPPORT;
}
if (get_notify_list_event_count(cib, event) == 0) {
crm_debug("The callback of the event does not exist(%s)", event);
return pcmk_ok;
}
crm_debug("Removing callback for %s events", event);
new_client = pcmk__assert_alloc(1, sizeof(cib_notify_client_t));
new_client->event = event;
new_client->callback = callback;
list_item = g_list_find_custom(cib->notify_list, new_client, ciblib_GCompareFunc);
if (list_item != NULL) {
cib_notify_client_t *list_client = list_item->data;
cib->notify_list = g_list_remove(cib->notify_list, list_client);
free(list_client);
crm_trace("Removed callback");
} else {
crm_trace("Callback not present");
}
if (get_notify_list_event_count(cib, event) == 0) {
/* When there is not the registration of the event, the processing turns off a notice. */
cib->cmds->register_notification(cib, event, 0);
}
free(new_client);
return pcmk_ok;
}
static gboolean
cib_async_timeout_handler(gpointer data)
{
struct timer_rec_s *timer = data;
crm_debug("Async call %d timed out after %ds",
timer->call_id, timer->timeout);
cib_native_callback(timer->cib, NULL, timer->call_id, -ETIME);
// We remove the handler in remove_cib_op_callback()
return G_SOURCE_CONTINUE;
}
static gboolean
cib_client_register_callback_full(cib_t *cib, int call_id, int timeout,
gboolean only_success, void *user_data,
const char *callback_name,
void (*callback)(xmlNode *, int, int,
xmlNode *, void *),
void (*free_func)(void *))
{
cib_callback_client_t *blob = NULL;
if (call_id < 0) {
if (only_success == FALSE) {
callback(NULL, call_id, call_id, NULL, user_data);
} else {
crm_warn("CIB call failed: %s", pcmk_strerror(call_id));
}
if (user_data && free_func) {
free_func(user_data);
}
return FALSE;
}
blob = pcmk__assert_alloc(1, sizeof(cib_callback_client_t));
blob->id = callback_name;
blob->only_success = only_success;
blob->user_data = user_data;
blob->callback = callback;
blob->free_func = free_func;
if (timeout > 0) {
struct timer_rec_s *async_timer =
pcmk__assert_alloc(1, sizeof(struct timer_rec_s));
blob->timer = async_timer;
async_timer->cib = cib;
async_timer->call_id = call_id;
async_timer->timeout = timeout * 1000;
async_timer->ref = g_timeout_add(async_timer->timeout,
cib_async_timeout_handler,
async_timer);
}
crm_trace("Adding callback %s for call %d", callback_name, call_id);
pcmk__intkey_table_insert(cib_op_callback_table, call_id, blob);
return TRUE;
}
static gboolean
cib_client_register_callback(cib_t *cib, int call_id, int timeout,
gboolean only_success, void *user_data,
const char *callback_name,
void (*callback) (xmlNode *, int, int, xmlNode *,
void *))
{
return cib_client_register_callback_full(cib, call_id, timeout,
only_success, user_data,
callback_name, callback, NULL);
}
static int
cib_client_noop(cib_t * cib, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_NOOP, NULL, NULL, NULL, NULL,
call_options, cib->user);
}
static int
cib_client_ping(cib_t * cib, xmlNode ** output_data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, CRM_OP_PING, NULL, NULL, NULL, output_data,
call_options, cib->user);
}
static int
cib_client_query(cib_t * cib, const char *section, xmlNode ** output_data, int call_options)
{
return cib->cmds->query_from(cib, NULL, section, output_data, call_options);
}
static int
cib_client_query_from(cib_t * cib, const char *host, const char *section,
xmlNode ** output_data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_QUERY, host, section, NULL,
output_data, call_options, cib->user);
}
static int
set_secondary(cib_t *cib, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_SECONDARY, NULL, NULL, NULL,
NULL, call_options, cib->user);
}
static int
set_primary(cib_t *cib, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_PRIMARY, NULL, NULL, NULL,
NULL, call_options, cib->user);
}
static int
cib_client_bump_epoch(cib_t * cib, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_BUMP, NULL, NULL, NULL, NULL,
call_options, cib->user);
}
static int
cib_client_upgrade(cib_t * cib, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_UPGRADE, NULL, NULL, NULL,
NULL, call_options, cib->user);
}
static int
cib_client_sync(cib_t * cib, const char *section, int call_options)
{
return cib->cmds->sync_from(cib, NULL, section, call_options);
}
static int
cib_client_sync_from(cib_t * cib, const char *host, const char *section, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_SYNC_TO_ALL, host, section,
NULL, NULL, call_options, cib->user);
}
static int
cib_client_create(cib_t * cib, const char *section, xmlNode * data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_CREATE, NULL, section, data,
NULL, call_options, cib->user);
}
static int
cib_client_modify(cib_t * cib, const char *section, xmlNode * data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_MODIFY, NULL, section, data,
NULL, call_options, cib->user);
}
static int
cib_client_replace(cib_t * cib, const char *section, xmlNode * data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_REPLACE, NULL, section, data,
NULL, call_options, cib->user);
}
static int
cib_client_delete(cib_t * cib, const char *section, xmlNode * data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_DELETE, NULL, section, data,
NULL, call_options, cib->user);
}
static int
cib_client_delete_absolute(cib_t * cib, const char *section, xmlNode * data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_ABS_DELETE, NULL, section,
data, NULL, call_options, cib->user);
}
static int
cib_client_erase(cib_t * cib, xmlNode ** output_data, int call_options)
{
op_common(cib);
return cib_internal_op(cib, PCMK__CIB_REQUEST_ERASE, NULL, NULL, NULL,
output_data, call_options, cib->user);
}
static int
cib_client_init_transaction(cib_t *cib)
{
int rc = pcmk_rc_ok;
op_common(cib);
if (cib->transaction != NULL) {
// A client can have at most one transaction at a time
rc = pcmk_rc_already;
}
if (rc == pcmk_rc_ok) {
cib->transaction = pcmk__xe_create(NULL, PCMK__XE_CIB_TRANSACTION);
}
if (rc != pcmk_rc_ok) {
const char *client_id = NULL;
cib->cmds->client_id(cib, NULL, &client_id);
crm_err("Failed to initialize CIB transaction for client %s: %s",
client_id, pcmk_rc_str(rc));
}
return pcmk_rc2legacy(rc);
}
static int
cib_client_end_transaction(cib_t *cib, bool commit, int call_options)
{
const char *client_id = NULL;
int rc = pcmk_ok;
op_common(cib);
cib->cmds->client_id(cib, NULL, &client_id);
client_id = pcmk__s(client_id, "(unidentified)");
if (commit) {
if (cib->transaction == NULL) {
rc = pcmk_rc_no_transaction;
crm_err("Failed to commit transaction for CIB client %s: %s",
client_id, pcmk_rc_str(rc));
return pcmk_rc2legacy(rc);
}
rc = cib_internal_op(cib, PCMK__CIB_REQUEST_COMMIT_TRANSACT, NULL, NULL,
cib->transaction, NULL, call_options, cib->user);
} else {
// Discard always succeeds
if (cib->transaction != NULL) {
crm_trace("Discarded transaction for CIB client %s", client_id);
} else {
crm_trace("No transaction found for CIB client %s", client_id);
}
}
pcmk__xml_free(cib->transaction);
cib->transaction = NULL;
return rc;
}
static int
cib_client_fetch_schemas(cib_t *cib, xmlNode **output_data, const char *after_ver,
int call_options)
{
xmlNode *data = pcmk__xe_create(NULL, PCMK__XA_SCHEMA);
int rc = pcmk_ok;
crm_xml_add(data, PCMK_XA_VERSION, after_ver);
rc = cib_internal_op(cib, PCMK__CIB_REQUEST_SCHEMAS, NULL, NULL, data,
output_data, call_options, NULL);
pcmk__xml_free(data);
return rc;
}
static void
cib_client_set_user(cib_t *cib, const char *user)
{
pcmk__str_update(&(cib->user), user);
}
static void
cib_destroy_op_callback(gpointer data)
{
cib_callback_client_t *blob = data;
if (blob->timer && blob->timer->ref > 0) {
g_source_remove(blob->timer->ref);
}
free(blob->timer);
if (blob->user_data && blob->free_func) {
blob->free_func(blob->user_data);
}
free(blob);
}
static void
destroy_op_callback_table(void)
{
if (cib_op_callback_table != NULL) {
g_hash_table_destroy(cib_op_callback_table);
cib_op_callback_table = NULL;
}
}
char *
get_shadow_file(const char *suffix)
{
char *cib_home = NULL;
char *fullname = NULL;
char *name = crm_strdup_printf("shadow.%s", suffix);
const char *dir = getenv("CIB_shadow_dir");
if (dir == NULL) {
uid_t uid = geteuid();
struct passwd *pwent = getpwuid(uid);
const char *user = NULL;
if (pwent) {
user = pwent->pw_name;
} else {
user = getenv("USER");
crm_perror(LOG_ERR,
"Assuming %s because cannot get user details for user ID %d",
(user? user : "unprivileged user"), uid);
}
if (pcmk__strcase_any_of(user, "root", CRM_DAEMON_USER, NULL)) {
dir = CRM_CONFIG_DIR;
} else {
const char *home = NULL;
if ((home = getenv("HOME")) == NULL) {
if (pwent) {
home = pwent->pw_dir;
}
}
dir = pcmk__get_tmpdir();
if (home && home[0] == '/') {
int rc = 0;
cib_home = crm_strdup_printf("%s/.cib", home);
rc = mkdir(cib_home, 0700);
if (rc < 0 && errno != EEXIST) {
crm_perror(LOG_ERR, "Couldn't create user-specific shadow directory: %s",
cib_home);
errno = 0;
} else {
dir = cib_home;
}
}
}
}
fullname = crm_strdup_printf("%s/%s", dir, name);
free(cib_home);
free(name);
return fullname;
}
cib_t *
cib_shadow_new(const char *shadow)
{
cib_t *new_cib = NULL;
char *shadow_file = NULL;
CRM_CHECK(shadow != NULL, return NULL);
shadow_file = get_shadow_file(shadow);
new_cib = cib_file_new(shadow_file);
free(shadow_file);
return new_cib;
}
/*!
* \brief Create a new CIB connection object, ignoring any active shadow CIB
*
* Create a new live, file, or remote CIB connection object based on the values
* of CIB-related environment variables (CIB_file, CIB_port, CIB_server,
* CIB_user, and CIB_passwd). The object will not be connected.
*
* \return Newly allocated CIB connection object
* \note The CIB API does not fully support opening multiple CIB connection
* objects simultaneously, so the returned object should be treated as a
* singleton.
*/
cib_t *
cib_new_no_shadow(void)
{
const char *shadow = getenv("CIB_shadow");
cib_t *cib = NULL;
unsetenv("CIB_shadow");
cib = cib_new();
if (shadow != NULL) {
setenv("CIB_shadow", shadow, 1);
}
return cib;
}
/*!
* \brief Create a new CIB connection object
*
* Create a new live, remote, file, or shadow file CIB connection object based
* on the values of CIB-related environment variables (CIB_shadow, CIB_file,
* CIB_port, CIB_server, CIB_user, and CIB_passwd). The object will not be
* connected.
*
* \return Newly allocated CIB connection object
* \note The CIB API does not fully support opening multiple CIB connection
* objects simultaneously, so the returned object should be treated as a
* singleton.
*/
/* @TODO Ensure all APIs support multiple simultaneous CIB connection objects
* (at least cib_free_callbacks() currently does not).
*/
cib_t *
cib_new(void)
{
const char *value = getenv("CIB_shadow");
int port;
if (value && value[0] != 0) {
return cib_shadow_new(value);
}
value = getenv("CIB_file");
if (value) {
return cib_file_new(value);
}
value = getenv("CIB_port");
if (value) {
gboolean encrypted = TRUE;
const char *server = getenv("CIB_server");
const char *user = getenv("CIB_user");
const char *pass = getenv("CIB_passwd");
/* We don't ensure port is valid (>= 0) because cib_new() currently
* can't return NULL in practice, and introducing a NULL return here
* could cause core dumps that would previously just cause signon()
* failures.
*/
pcmk__scan_port(value, &port);
value = getenv("CIB_encrypted");
if (value && crm_is_true(value) == FALSE) {
crm_info("Disabling TLS");
encrypted = FALSE;
}
if (user == NULL) {
user = CRM_DAEMON_USER;
crm_info("Defaulting to user: %s", user);
}
if (server == NULL) {
server = "localhost";
crm_info("Defaulting to localhost");
}
return cib_remote_new(server, user, pass, port, encrypted);
}
return cib_native_new();
}
/*!
* \internal
* \brief Create a generic CIB connection instance
*
* \return Newly allocated and initialized cib_t instance
*
* \note This is called by each variant's cib_*_new() function before setting
* variant-specific values.
*/
cib_t *
cib_new_variant(void)
{
cib_t *new_cib = NULL;
new_cib = calloc(1, sizeof(cib_t));
if (new_cib == NULL) {
return NULL;
}
remove_cib_op_callback(0, TRUE); /* remove all */
new_cib->call_id = 1;
new_cib->variant = cib_undefined;
new_cib->type = cib_no_connection;
new_cib->state = cib_disconnected;
new_cib->op_callback = NULL;
new_cib->variant_opaque = NULL;
new_cib->notify_list = NULL;
/* the rest will get filled in by the variant constructor */
new_cib->cmds = calloc(1, sizeof(cib_api_operations_t));
if (new_cib->cmds == NULL) {
free(new_cib);
return NULL;
}
new_cib->cmds->add_notify_callback = cib_client_add_notify_callback;
new_cib->cmds->del_notify_callback = cib_client_del_notify_callback;
new_cib->cmds->register_callback = cib_client_register_callback;
new_cib->cmds->register_callback_full = cib_client_register_callback_full;
new_cib->cmds->noop = cib_client_noop; // Deprecated method
new_cib->cmds->ping = cib_client_ping;
new_cib->cmds->query = cib_client_query;
new_cib->cmds->sync = cib_client_sync;
new_cib->cmds->query_from = cib_client_query_from;
new_cib->cmds->sync_from = cib_client_sync_from;
new_cib->cmds->set_primary = set_primary;
new_cib->cmds->set_secondary = set_secondary;
new_cib->cmds->upgrade = cib_client_upgrade;
new_cib->cmds->bump_epoch = cib_client_bump_epoch;
new_cib->cmds->create = cib_client_create;
new_cib->cmds->modify = cib_client_modify;
- new_cib->cmds->update = cib_client_modify; // Deprecated method
new_cib->cmds->replace = cib_client_replace;
new_cib->cmds->remove = cib_client_delete;
new_cib->cmds->erase = cib_client_erase;
// Deprecated method
new_cib->cmds->delete_absolute = cib_client_delete_absolute;
new_cib->cmds->init_transaction = cib_client_init_transaction;
new_cib->cmds->end_transaction = cib_client_end_transaction;
new_cib->cmds->set_user = cib_client_set_user;
new_cib->cmds->fetch_schemas = cib_client_fetch_schemas;
return new_cib;
}
void
cib_free_notify(cib_t *cib)
{
if (cib) {
GList *list = cib->notify_list;
while (list != NULL) {
cib_notify_client_t *client = g_list_nth_data(list, 0);
list = g_list_remove(list, client);
free(client);
}
cib->notify_list = NULL;
}
}
/*!
* \brief Free all callbacks for a CIB connection
*
* \param[in,out] cib CIB connection to clean up
*/
void
cib_free_callbacks(cib_t *cib)
{
cib_free_notify(cib);
destroy_op_callback_table();
}
/*!
* \brief Free all memory used by CIB connection
*
* \param[in,out] cib CIB connection to delete
*/
void
cib_delete(cib_t *cib)
{
cib_free_callbacks(cib);
if (cib) {
cib->cmds->free(cib);
}
}
void
remove_cib_op_callback(int call_id, gboolean all_callbacks)
{
if (all_callbacks) {
destroy_op_callback_table();
cib_op_callback_table = pcmk__intkey_table(cib_destroy_op_callback);
} else {
pcmk__intkey_table_remove(cib_op_callback_table, call_id);
}
}
int
num_cib_op_callbacks(void)
{
if (cib_op_callback_table == NULL) {
return 0;
}
return g_hash_table_size(cib_op_callback_table);
}
static void
cib_dump_pending_op(gpointer key, gpointer value, gpointer user_data)
{
int call = GPOINTER_TO_INT(key);
cib_callback_client_t *blob = value;
crm_debug("Call %d (%s): pending", call, pcmk__s(blob->id, "without ID"));
}
void
cib_dump_pending_callbacks(void)
{
if (cib_op_callback_table == NULL) {
return;
}
return g_hash_table_foreach(cib_op_callback_table, cib_dump_pending_op, NULL);
}
cib_callback_client_t*
cib__lookup_id (int call_id)
{
return pcmk__intkey_table_lookup(cib_op_callback_table, call_id);
}