diff --git a/lib/common/utils.c b/lib/common/utils.c
index 71b5d5a7ea..d97bbbf222 100644
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -1,2027 +1,2027 @@
/*
* 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 <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_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_positive_number(const char* value)
{
if (safe_str_eq(value, INFINITY_S) || (crm_int_helper(value, NULL))) {
return TRUE;
}
return FALSE;
}
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;
+ int rc = pcmk_ok;
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);
+ rc = 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);
+ crm_trace("User %s has uid=%d gid=%d", name, pwentry->pw_uid, pwentry->pw_gid);
} else {
- crm_err("Cluster user %s does not exist", name);
+ rc = rc? -rc : -EINVAL;
+ crm_info("User %s lookup: %s", name, pcmk_strerror(rc));
}
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;
}
/*!
* \brief Generate an operation key
*
* \param[in] rsc_id ID of resource being operated on
* \param[in] op_type Operation name
* \param[in] interval Operation interval
*
* \return Newly allocated memory containing operation key as string
*
* \note It is the caller's responsibility to free() the result.
*/
char *
generate_op_key(const char *rsc_id, const char *op_type, int interval)
{
CRM_ASSERT(rsc_id != NULL);
CRM_ASSERT(op_type != NULL);
CRM_ASSERT(interval >= 0);
return crm_strdup_printf("%s_%s_%d", rsc_id, op_type, interval);
}
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,
XML_LRM_ATTR_TARGET,
XML_LRM_ATTR_TARGET_UUID,
"pcmk_external_ip"
};
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);
}
}
#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);
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;
}
/*!
* \brief Check whether a string represents a cluster daemon name
*
* \param[in] name String to check
*
* \return TRUE if name is standard client name used by daemons, FALSE otherwise
*/
bool
crm_is_daemon_name(const char *name)
{
return (name &&
(!strcmp(name, CRM_SYSTEM_CRMD)
|| !strcmp(name, CRM_SYSTEM_STONITHD)
|| !strcmp(name, T_ATTRD)
|| !strcmp(name, CRM_SYSTEM_CIB)
|| !strcmp(name, CRM_SYSTEM_MCP)
|| !strcmp(name, CRM_SYSTEM_DC)
|| !strcmp(name, CRM_SYSTEM_TENGINE)
|| !strcmp(name, CRM_SYSTEM_LRMD)));
}
#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
char *
crm_generate_ra_key(const char *class, const char *provider, const char *type)
{
if (!class && !provider && !type) {
return NULL;
}
return crm_strdup_printf("%s:%s:%s", class ? class : "", provider ? provider : "", type ? type : "");
}