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diff --git a/include/crm_internal.h b/include/crm_internal.h
index b0426b71fa..e0bbb06639 100644
--- a/include/crm_internal.h
+++ b/include/crm_internal.h
@@ -1,388 +1,388 @@
/* crm_internal.h */
/*
* Copyright (C) 2006 - 2008
* 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 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CRM_INTERNAL__H
# define CRM_INTERNAL__H
# include <config.h>
# include <portability.h>
# include <glib.h>
# include <stdbool.h>
# include <libxml/tree.h>
# include <crm/lrmd.h>
# include <crm/common/logging.h>
# include <crm/common/io.h>
# include <crm/common/ipcs.h>
# include <crm/common/procfs.h>
/* Dynamic loading of libraries */
void *find_library_function(void **handle, const char *lib, const char *fn, int fatal);
void *convert_const_pointer(const void *ptr);
/* For ACLs */
char *uid2username(uid_t uid);
void determine_request_user(const char *user, xmlNode * request, const char *field);
const char *crm_acl_get_set_user(xmlNode * request, const char *field, const char *peer_user);
# if ENABLE_ACL
# include <string.h>
static inline gboolean
is_privileged(const char *user)
{
if (user == NULL) {
return FALSE;
} else if (strcmp(user, CRM_DAEMON_USER) == 0) {
return TRUE;
} else if (strcmp(user, "root") == 0) {
return TRUE;
}
return FALSE;
}
# endif
/* CLI option processing*/
# ifdef HAVE_GETOPT_H
# include <getopt.h>
# else
# define no_argument 0
# define required_argument 1
# endif
# define pcmk_option_default 0x00000
# define pcmk_option_hidden 0x00001
# define pcmk_option_paragraph 0x00002
# define pcmk_option_example 0x00004
struct crm_option {
/* Fields from 'struct option' in getopt.h */
/* name of long option */
const char *name;
/*
* one of no_argument, required_argument, and optional_argument:
* whether option takes an argument
*/
int has_arg;
/* if not NULL, set *flag to val when option found */
int *flag;
/* if flag not NULL, value to set *flag to; else return value */
int val;
/* Custom fields */
const char *desc;
long flags;
};
void crm_set_options(const char *short_options, const char *usage, struct crm_option *long_options,
const char *app_desc);
int crm_get_option(int argc, char **argv, int *index);
int crm_get_option_long(int argc, char **argv, int *index, const char **longname);
int crm_help(char cmd, int exit_code);
/* Cluster Option Processing */
typedef struct pe_cluster_option_s {
const char *name;
const char *alt_name;
const char *type;
const char *values;
const char *default_value;
gboolean(*is_valid) (const char *);
const char *description_short;
const char *description_long;
} pe_cluster_option;
const char *cluster_option(GHashTable * options, gboolean(*validate) (const char *),
const char *name, const char *old_name, const char *def_value);
const char *get_cluster_pref(GHashTable * options, pe_cluster_option * option_list, int len,
const char *name);
void config_metadata(const char *name, const char *version, const char *desc_short,
const char *desc_long, pe_cluster_option * option_list, int len);
void verify_all_options(GHashTable * options, pe_cluster_option * option_list, int len);
gboolean check_time(const char *value);
gboolean check_timer(const char *value);
gboolean check_boolean(const char *value);
gboolean check_number(const char *value);
gboolean check_quorum(const char *value);
gboolean check_script(const char *value);
gboolean check_utilization(const char *value);
/* Shared PE/crmd functionality */
void filter_action_parameters(xmlNode * param_set, const char *version);
/* Resource operation updates */
xmlNode *create_operation_update(xmlNode * parent, lrmd_event_data_t * event,
const char * caller_version, int target_rc, const char * node,
const char * origin, int level);
/* char2score */
extern int node_score_red;
extern int node_score_green;
extern int node_score_yellow;
extern int node_score_infinity;
/* Assorted convenience functions */
static inline int
crm_strlen_zero(const char *s)
{
return !s || *s == '\0';
}
char *add_list_element(char *list, const char *value);
-int crm_pid_active(long pid);
+int crm_pid_active(long pid, const char *daemon);
void crm_make_daemon(const char *name, gboolean daemonize, const char *pidfile);
char *generate_op_key(const char *rsc_id, const char *op_type, int interval);
char *generate_notify_key(const char *rsc_id, const char *notify_type, const char *op_type);
char *generate_transition_magic_v202(const char *transition_key, int op_status);
char *generate_transition_magic(const char *transition_key, int op_status, int op_rc);
char *generate_transition_key(int action, int transition_id, int target_rc, const char *node);
static inline long long
crm_clear_bit(const char *function, const char *target, long long word, long long bit)
{
long long rc = (word & ~bit);
if (rc == word) {
/* Unchanged */
} else if (target) {
crm_trace("Bit 0x%.8llx for %s cleared by %s", bit, target, function);
} else {
crm_trace("Bit 0x%.8llx cleared by %s", bit, function);
}
return rc;
}
static inline long long
crm_set_bit(const char *function, const char *target, long long word, long long bit)
{
long long rc = (word | bit);
if (rc == word) {
/* Unchanged */
} else if (target) {
crm_trace("Bit 0x%.8llx for %s set by %s", bit, target, function);
} else {
crm_trace("Bit 0x%.8llx set by %s", bit, function);
}
return rc;
}
# define set_bit(word, bit) word = crm_set_bit(__FUNCTION__, NULL, word, bit)
# define clear_bit(word, bit) word = crm_clear_bit(__FUNCTION__, NULL, word, bit)
void g_hash_destroy_str(gpointer data);
long long crm_int_helper(const char *text, char **end_text);
char *crm_concat(const char *prefix, const char *suffix, char join);
char *generate_hash_key(const char *crm_msg_reference, const char *sys);
bool crm_compress_string(const char *data, int length, int max, char **result,
unsigned int *result_len);
/*! remote tcp/tls helper functions */
typedef struct crm_remote_s crm_remote_t;
int crm_remote_send(crm_remote_t * remote, xmlNode * msg);
int crm_remote_ready(crm_remote_t * remote, int total_timeout /*ms */ );
gboolean crm_remote_recv(crm_remote_t * remote, int total_timeout /*ms */ , int *disconnected);
xmlNode *crm_remote_parse_buffer(crm_remote_t * remote);
int crm_remote_tcp_connect(const char *host, int port);
int crm_remote_tcp_connect_async(const char *host, int port, int timeout, /*ms */
int *timer_id, void *userdata, void (*callback) (void *userdata, int sock));
# ifdef HAVE_GNUTLS_GNUTLS_H
/*!
* \internal
* \brief Initiate the client handshake after establishing the tcp socket.
* \note This is a blocking function, it will block until the entire handshake
* is complete or until the timeout period is reached.
* \retval 0 success
* \retval negative, failure
*/
int crm_initiate_client_tls_handshake(crm_remote_t * remote, int timeout_ms);
/*!
* \internal
* \brief Create client or server session for anon DH encryption credentials
* \param sock, the socket the session will use for transport
* \param type, GNUTLS_SERVER or GNUTLS_CLIENT
* \param credentials, gnutls_anon_server_credentials_t or gnutls_anon_client_credentials_t
*
* \retval gnutls_session_t * on success
* \retval NULL on failure
*/
void *crm_create_anon_tls_session(int sock, int type, void *credentials);
/*!
* \internal
* \brief Create client or server session for PSK credentials
* \param sock, the socket the session will use for transport
* \param type, GNUTLS_SERVER or GNUTLS_CLIENT
* \param credentials, gnutls_psk_server_credentials_t or gnutls_osk_client_credentials_t
*
* \retval gnutls_session_t * on success
* \retval NULL on failure
*/
void *create_psk_tls_session(int csock, int type, void *credentials);
# endif
# define REMOTE_MSG_TERMINATOR "\r\n\r\n"
const char *daemon_option(const char *option);
void set_daemon_option(const char *option, const char *value);
gboolean daemon_option_enabled(const char *daemon, const char *option);
void strip_text_nodes(xmlNode * xml);
void pcmk_panic(const char *origin);
void sysrq_init(void);
pid_t pcmk_locate_sbd(void);
-int crm_pidfile_inuse(const char *filename, long mypid);
+int crm_pidfile_inuse(const char *filename, long mypid, const char *daemon);
int crm_read_pidfile(const char *filename);
# define crm_config_err(fmt...) { crm_config_error = TRUE; crm_err(fmt); }
# define crm_config_warn(fmt...) { crm_config_warning = TRUE; crm_warn(fmt); }
# define attrd_channel T_ATTRD
# define F_ATTRD_KEY "attr_key"
# define F_ATTRD_ATTRIBUTE "attr_name"
# define F_ATTRD_REGEX "attr_regex"
# define F_ATTRD_TASK "task"
# define F_ATTRD_VALUE "attr_value"
# define F_ATTRD_SET "attr_set"
# define F_ATTRD_IS_REMOTE "attr_is_remote"
# define F_ATTRD_IS_PRIVATE "attr_is_private"
# define F_ATTRD_SECTION "attr_section"
# define F_ATTRD_DAMPEN "attr_dampening"
# define F_ATTRD_IGNORE_LOCALLY "attr_ignore_locally"
# define F_ATTRD_HOST "attr_host"
# define F_ATTRD_HOST_ID "attr_host_id"
# define F_ATTRD_USER "attr_user"
# define F_ATTRD_WRITER "attr_writer"
# define F_ATTRD_VERSION "attr_version"
/* attrd operations */
# define ATTRD_OP_PEER_REMOVE "peer-remove"
# define ATTRD_OP_UPDATE "update"
# define ATTRD_OP_QUERY "query"
# define ATTRD_OP_REFRESH "refresh"
# define ATTRD_OP_FLUSH "flush"
# define ATTRD_OP_SYNC "sync"
# define ATTRD_OP_SYNC_RESPONSE "sync-response"
# if SUPPORT_COROSYNC
# if CS_USES_LIBQB
# include <qb/qbipc_common.h>
# include <corosync/corotypes.h>
typedef struct qb_ipc_request_header cs_ipc_header_request_t;
typedef struct qb_ipc_response_header cs_ipc_header_response_t;
# else
# include <corosync/corodefs.h>
# include <corosync/coroipcc.h>
# include <corosync/coroipc_types.h>
static inline int
qb_to_cs_error(int a)
{
return a;
}
typedef coroipc_request_header_t cs_ipc_header_request_t;
typedef coroipc_response_header_t cs_ipc_header_response_t;
# endif
# else
typedef struct {
int size __attribute__ ((aligned(8)));
int id __attribute__ ((aligned(8)));
} __attribute__ ((aligned(8))) cs_ipc_header_request_t;
typedef struct {
int size __attribute__ ((aligned(8)));
int id __attribute__ ((aligned(8)));
int error __attribute__ ((aligned(8)));
} __attribute__ ((aligned(8))) cs_ipc_header_response_t;
# endif
void
attrd_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb);
void
stonith_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb);
qb_ipcs_service_t *
crmd_ipc_server_init(struct qb_ipcs_service_handlers *cb);
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);
void cib_ipc_servers_destroy(qb_ipcs_service_t *ipcs_ro,
qb_ipcs_service_t *ipcs_rw,
qb_ipcs_service_t *ipcs_shm);
static inline void *realloc_safe(void *ptr, size_t size)
{
void *ret = realloc(ptr, size);
if(ret == NULL) {
abort();
}
return ret;
}
const char *crm_xml_add_last_written(xmlNode *xml_node);
void crm_xml_dump(xmlNode * data, int options, char **buffer, int *offset, int *max, int depth);
void crm_buffer_add_char(char **buffer, int *offset, int *max, char c);
gboolean crm_digest_verify(xmlNode *input, const char *expected);
/* cross-platform compatibility functions */
char *crm_compat_realpath(const char *path);
/* IPC Proxy Backend Shared Functions */
typedef struct remote_proxy_s {
char *node_name;
char *session_id;
gboolean is_local;
crm_ipc_t *ipc;
mainloop_io_t *source;
uint32_t last_request_id;
} remote_proxy_t;
void remote_proxy_notify_destroy(lrmd_t *lrmd, const char *session_id);
void remote_proxy_relay_event(lrmd_t *lrmd, const char *session_id, xmlNode *msg);
void remote_proxy_relay_response(lrmd_t *lrmd, const char *session_id, xmlNode *msg, int msg_id);
void remote_proxy_end_session(const char *session);
void remote_proxy_free(gpointer data);
#endif /* CRM_INTERNAL__H */
diff --git a/lib/common/Makefile.am b/lib/common/Makefile.am
index b0caa5984f..73de122e51 100644
--- a/lib/common/Makefile.am
+++ b/lib/common/Makefile.am
@@ -1,51 +1,52 @@
#
# 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.
#
MAINTAINERCLEANFILES = Makefile.in
-AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include \
- -I$(top_builddir)/libltdl -I$(top_srcdir)/libltdl \
- -I$(top_builddir)/lib/gnu -I$(top_srcdir)/lib/gnu
+AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include \
+ -I$(top_builddir)/libltdl -I$(top_srcdir)/libltdl \
+ -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_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 \
xpath.c
if BUILD_CIBSECRETS
libcrmcommon_la_SOURCES += cib_secrets.c
endif
libcrmcommon_la_LDFLAGS = -version-info 8:0:5
libcrmcommon_la_LIBADD = @LIBADD_DL@ $(GNUTLSLIBS) -lm
libcrmcommon_la_SOURCES += $(top_builddir)/lib/gnu/md5.c
clean-generic:
rm -f *.log *.debug *.xml *~
install-exec-local:
uninstall-local:
diff --git a/lib/common/procfs.c b/lib/common/procfs.c
index 056f53355d..499adb7a87 100644
--- a/lib/common/procfs.c
+++ b/lib/common/procfs.c
@@ -1,141 +1,141 @@
/*
* Copyright (C) 2015 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>
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
/*
* \internal
* \brief Get process ID and name associated with a /proc directory entry
*
* \param[in] entry Directory entry (must be result of readdir() on /proc)
* \param[out] name If not NULL, a char[64] to hold the process name
* \param[out] pid If not NULL, will be set to process ID of entry
*
* \return 0 on success, -1 if entry is not for a process or info not found
*
* \note This should be called only on Linux systems, as not all systems that
* support /proc store process names and IDs in the same way.
*/
int
crm_procfs_process_info(struct dirent *entry, char *name, int *pid)
{
int fd, local_pid;
FILE *file;
struct stat statbuf;
char key[16] = { 0 }, procpath[128] = { 0 };
/* We're only interested in entries whose name is a PID,
* so skip anything non-numeric or that is too long.
*
* 114 = 128 - strlen("/proc/") - strlen("/status") - 1
*/
local_pid = atoi(entry->d_name);
if ((local_pid <= 0) || (strlen(entry->d_name) > 114)) {
return -1;
}
if (pid) {
*pid = local_pid;
}
/* Get this entry's file information */
strcpy(procpath, "/proc/");
strcat(procpath, entry->d_name);
fd = open(procpath, O_RDONLY);
if (fd < 0 ) {
return -1;
}
if (fstat(fd, &statbuf) < 0) {
close(fd);
return -1;
}
close(fd);
/* We're only interested in subdirectories */
if (!S_ISDIR(statbuf.st_mode)) {
return -1;
}
/* Read the first entry ("Name:") from the process's status file.
* We could handle the valgrind case if we parsed the cmdline file
* instead, but that's more of a pain than it's worth.
*/
if (name != NULL) {
strcat(procpath, "/status");
file = fopen(procpath, "r");
if (!file) {
return -1;
}
if ((fscanf(file, "%15s%63s", key, name) != 2)
|| safe_str_neq(key, "Name:")) {
fclose(file);
return -1;
}
fclose(file);
}
return 0;
}
/*
* \internal
* \brief Return process ID of a named process
*
* \param[in] name Process name (as used in /proc/.../status)
*
* \return Process ID of named process if running, 0 otherwise
*
* \note This will return 0 if the process is being run via valgrind.
* This should be called only on Linux systems.
*/
int
crm_procfs_pid_of(const char *name)
{
DIR *dp;
struct dirent *entry;
int pid = 0;
char entry_name[64] = { 0 };
dp = opendir("/proc");
if (dp == NULL) {
crm_notice("Can not read /proc directory to track existing components");
return 0;
}
while ((entry = readdir(dp)) != NULL) {
if ((crm_procfs_process_info(entry, entry_name, &pid) == 0)
&& safe_str_eq(entry_name, name)
- && (crm_pid_active(pid) == 1)) {
+ && (crm_pid_active(pid, NULL) == 1)) {
crm_info("Found %s active as process %d", name, pid);
break;
}
}
closedir(dp);
return pid;
}
diff --git a/lib/common/utils.c b/lib/common/utils.c
index 4250c97b27..e533c1407b 100644
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -1,2401 +1,2413 @@
/*
* 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_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 *
crm_concat(const char *prefix, const char *suffix, char join)
{
int len = 0;
char *new_str = NULL;
CRM_ASSERT(prefix != NULL);
CRM_ASSERT(suffix != NULL);
len = strlen(prefix) + strlen(suffix) + 2;
new_str = malloc(len);
if(new_str) {
sprintf(new_str, "%s%c%s", prefix, join, suffix);
new_str[len - 1] = 0;
}
return new_str;
}
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;
}
char *
crm_itoa_stack(int an_int, char *buffer, size_t len)
{
if (buffer != NULL) {
snprintf(buffer, len, "%d", an_int);
}
return buffer;
}
char *
crm_itoa(int an_int)
{
int len = 32;
char *buffer = NULL;
buffer = malloc(len + 1);
if (buffer != NULL) {
snprintf(buffer, len, "%d", an_int);
}
return buffer;
}
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;
void
g_hash_destroy_str(gpointer data)
{
free(data);
}
#include <sys/types.h>
/* #include <stdlib.h> */
/* #include <limits.h> */
long long
crm_int_helper(const char *text, char **end_text)
{
long long result = -1;
char *local_end_text = NULL;
int saved_errno = 0;
errno = 0;
if (text != NULL) {
#ifdef ANSI_ONLY
if (end_text != NULL) {
result = strtol(text, end_text, 10);
} else {
result = strtol(text, &local_end_text, 10);
}
#else
if (end_text != NULL) {
result = strtoll(text, end_text, 10);
} else {
result = strtoll(text, &local_end_text, 10);
}
#endif
saved_errno = errno;
/* CRM_CHECK(errno != EINVAL); */
if (errno == EINVAL) {
crm_err("Conversion of %s failed", text);
result = -1;
} else if (errno == ERANGE) {
crm_err("Conversion of %s was clipped: %lld", text, result);
} else if (errno != 0) {
crm_perror(LOG_ERR, "Conversion of %s failed:", text);
}
if (local_end_text != NULL && local_end_text[0] != '\0') {
crm_err("Characters left over after parsing '%s': '%s'", text, local_end_text);
}
errno = saved_errno;
}
return result;
}
int
crm_parse_int(const char *text, const char *default_text)
{
int atoi_result = -1;
if (text != NULL) {
atoi_result = crm_int_helper(text, NULL);
if (errno == 0) {
return atoi_result;
}
}
if (default_text != NULL) {
atoi_result = crm_int_helper(default_text, NULL);
if (errno == 0) {
return atoi_result;
}
} else {
crm_err("No default conversion value supplied");
}
return -1;
}
gboolean
safe_str_neq(const char *a, const char *b)
{
if (a == b) {
return FALSE;
} else if (a == NULL || b == NULL) {
return TRUE;
} else if (strcasecmp(a, b) == 0) {
return FALSE;
}
return TRUE;
}
gboolean
crm_is_true(const char *s)
{
gboolean ret = FALSE;
if (s != NULL) {
crm_str_to_boolean(s, &ret);
}
return ret;
}
int
crm_str_to_boolean(const char *s, int *ret)
{
if (s == NULL) {
return -1;
} else if (strcasecmp(s, "true") == 0
|| strcasecmp(s, "on") == 0
|| strcasecmp(s, "yes") == 0 || strcasecmp(s, "y") == 0 || strcasecmp(s, "1") == 0) {
*ret = TRUE;
return 1;
} else if (strcasecmp(s, "false") == 0
|| strcasecmp(s, "off") == 0
|| strcasecmp(s, "no") == 0 || strcasecmp(s, "n") == 0 || strcasecmp(s, "0") == 0) {
*ret = FALSE;
return 1;
}
return -1;
}
#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);
}
-#define LOCKSTRLEN 11
-
int
-crm_pid_active(long pid)
+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;
- }
-#ifndef HAVE_PROC_PID
- return 1;
-#else
- {
+
+ } else if(daemon == NULL || have_proc_pid == -1) {
+ return 1;
+
+ } else {
int rc = 0;
- int running = 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) {
crm_perror(LOG_ERR, "Could not read from %s", proc_path);
- goto bail;
+ return 0;
}
exe_path[rc] = 0;
- snprintf(proc_path, sizeof(proc_path), "/proc/%lu/exe", (long unsigned int)getpid());
- rc = readlink(proc_path, myexe_path, PATH_MAX - 1);
- if (rc < 0) {
- crm_perror(LOG_ERR, "Could not read from %s", proc_path);
- goto bail;
- }
- myexe_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) {
- running = 1;
+ return 1;
}
}
- bail:
- return running;
-#endif
+ return 0;
}
+#define LOCKSTRLEN 11
+
int
crm_read_pidfile(const char *filename)
{
int fd;
long pid = -1;
char buf[LOCKSTRLEN + 1];
if ((fd = open(filename, O_RDONLY)) < 0) {
goto bail;
}
if (read(fd, buf, sizeof(buf)) < 1) {
goto bail;
}
if (sscanf(buf, "%lu", &pid) > 0) {
if (pid <= 0) {
pid = -ESRCH;
}
}
bail:
if (fd >= 0) {
close(fd);
}
return pid;
}
int
-crm_pidfile_inuse(const char *filename, long mypid)
+crm_pidfile_inuse(const char *filename, long mypid, const char *daemon)
{
long pid = 0;
struct stat sbuf;
char buf[LOCKSTRLEN + 1];
int rc = -ENOENT, fd = 0;
if ((fd = open(filename, O_RDONLY)) >= 0) {
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)) > 0) {
if (sscanf(buf, "%lu", &pid) > 0) {
crm_trace("Got pid %lu from %s\n", pid, filename);
if (pid <= 1) {
/* Invalid pid */
rc = -ENOENT;
unlink(filename);
} else if (mypid && pid == mypid) {
/* In use by us */
rc = pcmk_ok;
- } else if (crm_pid_active(pid) == FALSE) {
+ } else if (crm_pid_active(pid, daemon) == FALSE) {
/* Contains a stale value */
unlink(filename);
rc = -ENOENT;
} else if (mypid && pid != mypid) {
/* locked by existing process - give up */
rc = -EEXIST;
}
}
}
close(fd);
}
return rc;
}
static int
-crm_lock_pidfile(const char *filename)
+crm_lock_pidfile(const char *name, const char *filename)
{
long mypid = 0;
int fd = 0, rc = 0;
char buf[LOCKSTRLEN + 1];
mypid = (unsigned long)getpid();
- rc = crm_pidfile_inuse(filename, 0);
+ 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);
+ 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);
+ 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);
+ 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_strip_trailing_newline(char *str)
{
int len;
if (str == NULL) {
return str;
}
for (len = strlen(str) - 1; len >= 0 && str[len] == '\n'; len--) {
str[len] = '\0';
}
return str;
}
gboolean
crm_str_eq(const char *a, const char *b, gboolean use_case)
{
if (use_case) {
return g_strcmp0(a, b) == 0;
/* TODO - Figure out which calls, if any, really need to be case independant */
} else if (a == b) {
return TRUE;
} else if (a == NULL || b == NULL) {
/* shouldn't be comparing NULLs */
return FALSE;
} else if (strcasecmp(a, b) == 0) {
return TRUE;
}
return FALSE;
}
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;
enum crm_ipc_flags flags = crm_ipc_flags_none;
xmlNode *update = create_xml_node(NULL, __FUNCTION__);
static gboolean connected = TRUE;
static crm_ipc_t *local_ipc = NULL;
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);
if (name == NULL && command == 'U') {
command = 'R';
}
switch (command) {
case 'u':
crm_xml_add(update, F_ATTRD_TASK, ATTRD_OP_UPDATE);
crm_xml_add(update, F_ATTRD_REGEX, name);
break;
case 'D':
case 'U':
case 'v':
crm_xml_add(update, F_ATTRD_TASK, ATTRD_OP_UPDATE);
crm_xml_add(update, F_ATTRD_ATTRIBUTE, name);
break;
case 'R':
crm_xml_add(update, F_ATTRD_TASK, ATTRD_OP_REFRESH);
break;
case 'Q':
crm_xml_add(update, F_ATTRD_TASK, ATTRD_OP_QUERY);
crm_xml_add(update, F_ATTRD_ATTRIBUTE, name);
break;
case 'C':
crm_xml_add(update, F_ATTRD_TASK, ATTRD_OP_PEER_REMOVE);
break;
}
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--;
}
}
free_xml(update);
if (rc > 0) {
crm_debug("Sent update: %s=%s for %s", name, value, host ? host : "localhost");
rc = pcmk_ok;
} else {
crm_debug("Could not send update %s=%s for %s: %s (%d)", name, value,
host ? host : "localhost", 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);
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 its trying determin 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=%lu change=%lu exec=%lu queue=%lu",
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
/*
* This re-implements g_str_hash as it was prior to glib2-2.28:
*
* http://git.gnome.org/browse/glib/commit/?id=354d655ba8a54b754cb5a3efb42767327775696c
*
* Note that the new g_str_hash is presumably a *better* hash (it's actually
* a correct implementation of DJB's hash), but we need to preserve existing
* behaviour, because the hash key ultimately determines the "sort" order
* when iterating through GHashTables, which affects allocation of scores to
* clone instances when iterating through rsc->allowed_nodes. It (somehow)
* also appears to have some minor impact on the ordering of a few
* pseudo_event IDs in the transition graph.
*/
guint
g_str_hash_traditional(gconstpointer v)
{
const signed char *p;
guint32 h = 0;
for (p = v; *p != '\0'; p++)
h = (h << 5) - h + *p;
return h;
}
guint
crm_strcase_hash(gconstpointer v)
{
const signed char *p;
guint32 h = 0;
for (p = v; *p != '\0'; p++)
h = (h << 5) - h + g_ascii_tolower(*p);
return h;
}
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 ((error = dlerror()) != NULL) {
crm_err("%sCould not find %s in %s: %s", fatal ? "Fatal: " : "", fn, lib, error);
if (fatal) {
crm_exit(DAEMON_RESPAWN_STOP);
}
}
return a_function;
}
char *
add_list_element(char *list, const char *value)
{
int len = 0;
int last = 0;
if (value == NULL) {
return list;
}
if (list) {
last = strlen(list);
}
len = last + 2; /* +1 space, +1 EOS */
len += strlen(value);
list = realloc_safe(list, len);
sprintf(list + last, " %s", value);
return list;
}
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;
}
#include <time.h>
#include <bzlib.h>
bool
crm_compress_string(const char *data, int length, int max, char **result, unsigned int *result_len)
{
int rc;
char *compressed = NULL;
char *uncompressed = strdup(data);
struct timespec after_t;
struct timespec before_t;
if(max == 0) {
max = (length * 1.1) + 600; /* recomended size */
}
#ifdef CLOCK_MONOTONIC
clock_gettime(CLOCK_MONOTONIC, &before_t);
#endif
/* coverity[returned_null] Ignore */
compressed = malloc(max);
*result_len = max;
rc = BZ2_bzBuffToBuffCompress(compressed, result_len, uncompressed, length, CRM_BZ2_BLOCKS, 0,
CRM_BZ2_WORK);
free(uncompressed);
if (rc != BZ_OK) {
crm_err("Compression of %d bytes failed: %s (%d)", length, bz2_strerror(rc), rc);
free(compressed);
return FALSE;
}
#ifdef CLOCK_MONOTONIC
clock_gettime(CLOCK_MONOTONIC, &after_t);
crm_info("Compressed %d bytes into %d (ratio %d:1) in %dms",
length, *result_len, length / (*result_len),
(after_t.tv_sec - before_t.tv_sec) * 1000 + (after_t.tv_nsec -
before_t.tv_nsec) / 1000000);
#else
crm_info("Compressed %d bytes into %d (ratio %d:1)",
length, *result_len, length / (*result_len));
#endif
*result = compressed;
return TRUE;
}
#ifdef HAVE_GNUTLS_GNUTLS_H
void
crm_gnutls_global_init(void)
{
signal(SIGPIPE, SIG_IGN);
gnutls_global_init();
}
#endif
diff --git a/lib/common/watchdog.c b/lib/common/watchdog.c
index 6395be8fc8..3cb516b9f3 100644
--- a/lib/common/watchdog.c
+++ b/lib/common/watchdog.c
@@ -1,247 +1,251 @@
/*
* Copyright (C) 2013 Lars Marowsky-Bree <lmb@suse.com>
* 2014 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <crm_internal.h>
#include <sched.h>
#include <syscall.h>
#include <sys/ioctl.h>
#include <sys/reboot.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <ctype.h>
#include <dirent.h>
#ifdef _POSIX_MEMLOCK
# include <sys/mman.h>
#endif
static int sbd_pid = 0;
enum pcmk_panic_flags
{
pcmk_panic_none = 0x00,
pcmk_panic_delay = 0x01,
pcmk_panic_kdump = 0x02,
pcmk_panic_shutdown = 0x04,
};
#define SYSRQ "/proc/sys/kernel/sysrq"
void
sysrq_init(void)
{
static bool need_init = true;
FILE* procf;
int c;
if(need_init) {
need_init = false;
} else {
return;
}
procf = fopen(SYSRQ, "r");
if (!procf) {
crm_perror(LOG_ERR, "Cannot open "SYSRQ" for read");
return;
}
if (fscanf(procf, "%d", &c) != 1) {
crm_perror(LOG_ERR, "Parsing "SYSRQ" failed");
c = 0;
}
fclose(procf);
if (c == 1)
return;
/* 8 for debugging dumps of processes, 128 for reboot/poweroff */
c |= 136;
procf = fopen(SYSRQ, "w");
if (!procf) {
crm_perror(LOG_ERR, "Cannot write to "SYSRQ);
return;
}
fprintf(procf, "%d", c);
fclose(procf);
return;
}
static void
sysrq_trigger(char t)
{
FILE *procf;
sysrq_init();
procf = fopen("/proc/sysrq-trigger", "a");
if (!procf) {
crm_perror(LOG_ERR, "Opening sysrq-trigger failed");
return;
}
crm_info("sysrq-trigger: %c\n", t);
fprintf(procf, "%c\n", t);
fclose(procf);
return;
}
static void
pcmk_panic_local(void)
{
int rc = pcmk_ok;
uid_t uid = geteuid();
pid_t ppid = getppid();
if(uid != 0 && ppid > 1) {
/* We're a non-root pacemaker daemon (cib, crmd, pengine,
* attrd, etc) with the original pacemakerd parent
*
* Of these, only crmd is likely to be initiating resets
*/
do_crm_log_always(LOG_EMERG, "Signaling parent %d to panic", ppid);
crm_exit(pcmk_err_panic);
return;
} else if (uid != 0) {
/*
* No permissions and no pacemakerd parent to escalate to
* Track down the new pacakerd process and send a signal instead
*/
union sigval signal_value;
memset(&signal_value, 0, sizeof(signal_value));
ppid = crm_procfs_pid_of("pacemakerd");
do_crm_log_always(LOG_EMERG, "Signaling pacemakerd(%d) to panic", ppid);
if(ppid > 1 && sigqueue(ppid, SIGQUIT, signal_value) < 0) {
crm_perror(LOG_EMERG, "Cannot signal pacemakerd(%d) to panic", ppid);
}
/* The best we can do now is die */
crm_exit(pcmk_err_panic);
return;
}
/* We're either pacemakerd, or a pacemaker daemon running as root */
sysrq_trigger('b');
/* reboot(RB_HALT_SYSTEM); rc = errno; */
reboot(RB_AUTOBOOT);
rc = errno;
do_crm_log_always(LOG_EMERG, "Reboot failed, escalating to %d: %s (%d)", ppid, pcmk_strerror(rc), rc);
if(ppid > 1) {
/* child daemon */
exit(pcmk_err_panic);
} else {
/* pacemakerd or orphan child */
exit(DAEMON_RESPAWN_STOP);
}
}
static void
pcmk_panic_sbd(void)
{
union sigval signal_value;
pid_t ppid = getppid();
do_crm_log_always(LOG_EMERG, "Signaling sbd(%d) to panic", sbd_pid);
memset(&signal_value, 0, sizeof(signal_value));
/* TODO: Arrange for a slightly less brutal option? */
if(sigqueue(sbd_pid, SIGKILL, signal_value) < 0) {
crm_perror(LOG_EMERG, "Cannot signal SBD(%d) to terminate", sbd_pid);
pcmk_panic_local();
}
if(ppid > 1) {
/* child daemon */
exit(pcmk_err_panic);
} else {
/* pacemakerd or orphan child */
exit(DAEMON_RESPAWN_STOP);
}
}
void
pcmk_panic(const char *origin)
{
static struct qb_log_callsite *panic_cs = NULL;
if (panic_cs == NULL) {
panic_cs = qb_log_callsite_get(__func__, __FILE__, "panic-delay", LOG_TRACE, __LINE__, crm_trace_nonlog);
}
pcmk_locate_sbd();
if (panic_cs && panic_cs->targets) {
/* getppid() == 1 means our original parent no longer exists */
do_crm_log_always(LOG_EMERG,
"Shutting down instead of panicing the node: origin=%s, sbd=%d, parent=%d",
origin, sbd_pid, getppid());
crm_exit(DAEMON_RESPAWN_STOP);
return;
}
if(sbd_pid > 1) {
do_crm_log_always(LOG_EMERG, "Signaling sbd(%d) to panic the system: %s", sbd_pid, origin);
pcmk_panic_sbd();
} else {
do_crm_log_always(LOG_EMERG, "Panicing the system directly: %s", origin);
pcmk_panic_local();
}
}
pid_t
pcmk_locate_sbd(void)
{
char *pidfile = NULL;
+ char *sbd_path = NULL;
if(sbd_pid > 1) {
return sbd_pid;
}
/* Look for the pid file */
pidfile = crm_strdup_printf("%s/sbd.pid", HA_STATE_DIR);
+ sbd_path = crm_strdup_printf("%s/sbd", SBINDIR);
/* Read the pid file */
if(pidfile) {
- int rc = crm_pidfile_inuse(pidfile, 1);
+ int rc = crm_pidfile_inuse(pidfile, 1, sbd_path);
if(rc < pcmk_ok && rc != -ENOENT) {
sbd_pid = crm_read_pidfile(pidfile);
crm_trace("SBD detected at pid=%d (file)");
}
}
if(sbd_pid < 0) {
/* Fall back to /proc for systems that support it */
sbd_pid = crm_procfs_pid_of("sbd");
crm_trace("SBD detected at pid=%d (proc)", sbd_pid);
}
if(sbd_pid < 0) {
sbd_pid = 0;
}
free(pidfile);
+ free(sbd_path);
+
return sbd_pid;
}
diff --git a/mcp/pacemaker.c b/mcp/pacemaker.c
index d1061df4d9..41b93d1f79 100644
--- a/mcp/pacemaker.c
+++ b/mcp/pacemaker.c
@@ -1,1141 +1,1141 @@
/*
* Copyright (C) 2010 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 <pacemaker.h>
#include <pwd.h>
#include <grp.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/reboot.h>
#include <crm/msg_xml.h>
#include <crm/common/ipcs.h>
#include <crm/common/mainloop.h>
#include <crm/cluster/internal.h>
#include <crm/cluster.h>
#include <dirent.h>
#include <ctype.h>
gboolean pcmk_quorate = FALSE;
gboolean fatal_error = FALSE;
GMainLoop *mainloop = NULL;
#define PCMK_PROCESS_CHECK_INTERVAL 5
const char *local_name = NULL;
uint32_t local_nodeid = 0;
crm_trigger_t *shutdown_trigger = NULL;
const char *pid_file = "/var/run/pacemaker.pid";
typedef struct pcmk_child_s {
int pid;
long flag;
int start_seq;
int respawn_count;
gboolean respawn;
const char *name;
const char *uid;
const char *command;
gboolean active_before_startup;
} pcmk_child_t;
/* Index into the array below */
#define pcmk_child_crmd 4
#define pcmk_child_mgmtd 8
/* *INDENT-OFF* */
static pcmk_child_t pcmk_children[] = {
{ 0, crm_proc_none, 0, 0, FALSE, "none", NULL, NULL },
{ 0, crm_proc_plugin, 0, 0, FALSE, "ais", NULL, NULL },
{ 0, crm_proc_lrmd, 3, 0, TRUE, "lrmd", NULL, CRM_DAEMON_DIR"/lrmd" },
{ 0, crm_proc_cib, 1, 0, TRUE, "cib", CRM_DAEMON_USER, CRM_DAEMON_DIR"/cib" },
{ 0, crm_proc_crmd, 6, 0, TRUE, "crmd", CRM_DAEMON_USER, CRM_DAEMON_DIR"/crmd" },
{ 0, crm_proc_attrd, 4, 0, TRUE, "attrd", CRM_DAEMON_USER, CRM_DAEMON_DIR"/attrd" },
{ 0, crm_proc_stonithd, 0, 0, TRUE, "stonithd", NULL, NULL },
{ 0, crm_proc_pe, 5, 0, TRUE, "pengine", CRM_DAEMON_USER, CRM_DAEMON_DIR"/pengine" },
{ 0, crm_proc_mgmtd, 0, 0, TRUE, "mgmtd", NULL, HB_DAEMON_DIR"/mgmtd" },
{ 0, crm_proc_stonith_ng, 2, 0, TRUE, "stonith-ng", NULL, CRM_DAEMON_DIR"/stonithd" },
};
/* *INDENT-ON* */
static gboolean start_child(pcmk_child_t * child);
static gboolean check_active_before_startup_processes(gpointer user_data);
void update_process_clients(crm_client_t *client);
void update_process_peers(void);
void
enable_crmd_as_root(gboolean enable)
{
if (enable) {
pcmk_children[pcmk_child_crmd].uid = NULL;
} else {
pcmk_children[pcmk_child_crmd].uid = CRM_DAEMON_USER;
}
}
void
enable_mgmtd(gboolean enable)
{
if (enable) {
pcmk_children[pcmk_child_mgmtd].start_seq = 7;
} else {
pcmk_children[pcmk_child_mgmtd].start_seq = 0;
}
}
static uint32_t
get_process_list(void)
{
int lpc = 0;
uint32_t procs = crm_get_cluster_proc();
for (lpc = 0; lpc < SIZEOF(pcmk_children); lpc++) {
if (pcmk_children[lpc].pid != 0) {
procs |= pcmk_children[lpc].flag;
}
}
return procs;
}
static void
pcmk_process_exit(pcmk_child_t * child)
{
child->pid = 0;
child->active_before_startup = FALSE;
/* Broadcast the fact that one of our processes died ASAP
*
* Try to get some logging of the cause out first though
* because we're probably about to get fenced
*
* Potentially do this only if respawn_count > N
* to allow for local recovery
*/
update_node_processes(local_nodeid, NULL, get_process_list());
child->respawn_count += 1;
if (child->respawn_count > MAX_RESPAWN) {
crm_err("Child respawn count exceeded by %s", child->name);
child->respawn = FALSE;
}
if (shutdown_trigger) {
mainloop_set_trigger(shutdown_trigger);
update_node_processes(local_nodeid, NULL, get_process_list());
} else if (child->respawn && crm_is_true(getenv("PCMK_fail_fast"))) {
crm_err("Rebooting system because of %s", child->name);
pcmk_panic(__FUNCTION__);
} else if (child->respawn) {
crm_notice("Respawning failed child process: %s", child->name);
start_child(child);
}
}
static void
pcmk_child_exit(mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode)
{
pcmk_child_t *child = mainloop_child_userdata(p);
const char *name = mainloop_child_name(p);
if (signo && signo == SIGKILL) {
crm_warn("The %s process (%d) terminated with signal %d (core=%d)", name, pid, signo, core);
} else if (signo) {
crm_err("The %s process (%d) terminated with signal %d (core=%d)", name, pid, signo, core);
} else {
switch(exitcode) {
case pcmk_ok:
crm_info("The %s process (%d) exited: %s (%d)", name, pid, pcmk_strerror(exitcode), exitcode);
break;
case DAEMON_RESPAWN_STOP:
crm_warn("The %s process (%d) can no longer be respawned, shutting the cluster down.", name, pid);
child->respawn = FALSE;
fatal_error = TRUE;
pcmk_shutdown(SIGTERM);
break;
case pcmk_err_panic:
do_crm_log_always(LOG_EMERG, "The %s process (%d) instructed the machine to reset", name, pid);
child->respawn = FALSE;
fatal_error = TRUE;
pcmk_panic(__FUNCTION__);
pcmk_shutdown(SIGTERM);
break;
default:
crm_err("The %s process (%d) exited: %s (%d)", name, pid, pcmk_strerror(exitcode), exitcode);
break;
}
}
pcmk_process_exit(child);
}
static gboolean
stop_child(pcmk_child_t * child, int signal)
{
if (signal == 0) {
signal = SIGTERM;
}
if (child->command == NULL) {
crm_debug("Nothing to do for child \"%s\"", child->name);
return TRUE;
}
if (child->pid <= 0) {
crm_trace("Client %s not running", child->name);
return TRUE;
}
errno = 0;
if (kill(child->pid, signal) == 0) {
crm_notice("Stopping %s: Sent -%d to process %d", child->name, signal, child->pid);
} else {
crm_perror(LOG_ERR, "Stopping %s: Could not send -%d to process %d failed",
child->name, signal, child->pid);
}
return TRUE;
}
static char *opts_default[] = { NULL, NULL };
static char *opts_vgrind[] = { NULL, NULL, NULL, NULL, NULL };
static gboolean
start_child(pcmk_child_t * child)
{
int lpc = 0;
uid_t uid = 0;
gid_t gid = 0;
struct rlimit oflimits;
gboolean use_valgrind = FALSE;
gboolean use_callgrind = FALSE;
const char *devnull = "/dev/null";
const char *env_valgrind = getenv("PCMK_valgrind_enabled");
const char *env_callgrind = getenv("PCMK_callgrind_enabled");
enum cluster_type_e stack = get_cluster_type();
child->active_before_startup = FALSE;
if (child->command == NULL) {
crm_info("Nothing to do for child \"%s\"", child->name);
return TRUE;
}
if (env_callgrind != NULL && crm_is_true(env_callgrind)) {
use_callgrind = TRUE;
use_valgrind = TRUE;
} else if (env_callgrind != NULL && strstr(env_callgrind, child->name)) {
use_callgrind = TRUE;
use_valgrind = TRUE;
} else if (env_valgrind != NULL && crm_is_true(env_valgrind)) {
use_valgrind = TRUE;
} else if (env_valgrind != NULL && strstr(env_valgrind, child->name)) {
use_valgrind = TRUE;
}
if (use_valgrind && strlen(VALGRIND_BIN) == 0) {
crm_warn("Cannot enable valgrind for %s:"
" The location of the valgrind binary is unknown", child->name);
use_valgrind = FALSE;
}
if (child->uid) {
if (crm_user_lookup(child->uid, &uid, &gid) < 0) {
crm_err("Invalid user (%s) for %s: not found", child->uid, child->name);
return FALSE;
}
crm_info("Using uid=%u and group=%u for process %s", uid, gid, child->name);
}
child->pid = fork();
CRM_ASSERT(child->pid != -1);
if (child->pid > 0) {
/* parent */
mainloop_child_add(child->pid, 0, child->name, child, pcmk_child_exit);
crm_info("Forked child %d for process %s%s", child->pid, child->name,
use_valgrind ? " (valgrind enabled: " VALGRIND_BIN ")" : "");
update_node_processes(local_nodeid, NULL, get_process_list());
return TRUE;
} else {
/* Start a new session */
(void)setsid();
/* Setup the two alternate arg arrarys */
opts_vgrind[0] = strdup(VALGRIND_BIN);
if (use_callgrind) {
opts_vgrind[1] = strdup("--tool=callgrind");
opts_vgrind[2] = strdup("--callgrind-out-file=" CRM_STATE_DIR "/callgrind.out.%p");
opts_vgrind[3] = strdup(child->command);
opts_vgrind[4] = NULL;
} else {
opts_vgrind[1] = strdup(child->command);
opts_vgrind[2] = NULL;
opts_vgrind[3] = NULL;
opts_vgrind[4] = NULL;
}
opts_default[0] = strdup(child->command);;
if(gid) {
if(stack == pcmk_cluster_corosync) {
/* Drop root privileges completely
*
* We can do this because we set uidgid.gid.${gid}=1
* via CMAP which allows these processes to connect to
* corosync
*/
if (setgid(gid) < 0) {
crm_perror(LOG_ERR, "Could not set group to %d", gid);
}
/* Keep the root group (so we can access corosync), but add the haclient group (so we can access ipc) */
} else if (initgroups(child->uid, gid) < 0) {
crm_err("Cannot initialize groups for %s: %s (%d)", child->uid, pcmk_strerror(errno), errno);
}
}
if (uid && setuid(uid) < 0) {
crm_perror(LOG_ERR, "Could not set user to %d (%s)", uid, child->uid);
}
/* Close all open file descriptors */
getrlimit(RLIMIT_NOFILE, &oflimits);
for (lpc = 0; lpc < oflimits.rlim_cur; lpc++) {
close(lpc);
}
(void)open(devnull, O_RDONLY); /* Stdin: fd 0 */
(void)open(devnull, O_WRONLY); /* Stdout: fd 1 */
(void)open(devnull, O_WRONLY); /* Stderr: fd 2 */
if (use_valgrind) {
(void)execvp(VALGRIND_BIN, opts_vgrind);
} else {
(void)execvp(child->command, opts_default);
}
crm_perror(LOG_ERR, "FATAL: Cannot exec %s", child->command);
crm_exit(DAEMON_RESPAWN_STOP);
}
return TRUE; /* never reached */
}
static gboolean
escalate_shutdown(gpointer data)
{
pcmk_child_t *child = data;
if (child->pid) {
/* Use SIGSEGV instead of SIGKILL to create a core so we can see what it was up to */
crm_err("Child %s not terminating in a timely manner, forcing", child->name);
stop_child(child, SIGSEGV);
}
return FALSE;
}
static gboolean
pcmk_shutdown_worker(gpointer user_data)
{
static int phase = 0;
static time_t next_log = 0;
static int max = SIZEOF(pcmk_children);
int lpc = 0;
if (phase == 0) {
crm_notice("Shutting down Pacemaker");
phase = max;
/* Add a second, more frequent, check to speed up shutdown */
g_timeout_add_seconds(5, check_active_before_startup_processes, NULL);
}
for (; phase > 0; phase--) {
/* dont stop anything with start_seq < 1 */
for (lpc = max - 1; lpc >= 0; lpc--) {
pcmk_child_t *child = &(pcmk_children[lpc]);
if (phase != child->start_seq) {
continue;
}
if (child->pid) {
time_t now = time(NULL);
if (child->respawn) {
next_log = now + 30;
child->respawn = FALSE;
stop_child(child, SIGTERM);
if (phase < pcmk_children[pcmk_child_crmd].start_seq) {
g_timeout_add(180000 /* 3m */ , escalate_shutdown, child);
}
} else if (now >= next_log) {
next_log = now + 30;
crm_notice("Still waiting for %s (pid=%d, seq=%d) to terminate...",
child->name, child->pid, child->start_seq);
}
return TRUE;
}
/* cleanup */
crm_debug("%s confirmed stopped", child->name);
child->pid = 0;
}
}
/* send_cluster_id(); */
crm_notice("Shutdown complete");
{
const char *delay = daemon_option("shutdown_delay");
if(delay) {
sync();
sleep(crm_get_msec(delay) / 1000);
}
}
g_main_loop_quit(mainloop);
if (fatal_error) {
crm_notice("Attempting to inhibit respawning after fatal error");
crm_exit(DAEMON_RESPAWN_STOP);
}
return TRUE;
}
static void
pcmk_ignore(int nsig)
{
crm_info("Ignoring signal %s (%d)", strsignal(nsig), nsig);
}
static void
pcmk_sigquit(int nsig)
{
pcmk_panic(__FUNCTION__);
}
void
pcmk_shutdown(int nsig)
{
if (shutdown_trigger == NULL) {
shutdown_trigger = mainloop_add_trigger(G_PRIORITY_HIGH, pcmk_shutdown_worker, NULL);
}
mainloop_set_trigger(shutdown_trigger);
}
static int32_t
pcmk_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
pcmk_ipc_created(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
}
/* Exit code means? */
static int32_t
pcmk_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size)
{
uint32_t id = 0;
uint32_t flags = 0;
const char *task = NULL;
crm_client_t *c = crm_client_get(qbc);
xmlNode *msg = crm_ipcs_recv(c, data, size, &id, &flags);
crm_ipcs_send_ack(c, id, flags, "ack", __FUNCTION__, __LINE__);
if (msg == NULL) {
return 0;
}
task = crm_element_value(msg, F_CRM_TASK);
if (crm_str_eq(task, CRM_OP_QUIT, TRUE)) {
/* Time to quit */
crm_notice("Shutting down in response to ticket %s (%s)",
crm_element_value(msg, F_CRM_REFERENCE), crm_element_value(msg, F_CRM_ORIGIN));
pcmk_shutdown(15);
} else if (crm_str_eq(task, CRM_OP_RM_NODE_CACHE, TRUE)) {
/* Send to everyone */
struct iovec *iov;
int id = 0;
const char *name = NULL;
crm_element_value_int(msg, XML_ATTR_ID, &id);
name = crm_element_value(msg, XML_ATTR_UNAME);
crm_notice("Instructing peers to remove references to node %s/%u", name, id);
iov = calloc(1, sizeof(struct iovec));
iov->iov_base = dump_xml_unformatted(msg);
iov->iov_len = 1 + strlen(iov->iov_base);
send_cpg_iov(iov);
} else {
update_process_clients(c);
}
free_xml(msg);
return 0;
}
/* Error code means? */
static int32_t
pcmk_ipc_closed(qb_ipcs_connection_t * c)
{
crm_client_t *client = crm_client_get(c);
if (client == NULL) {
return 0;
}
crm_trace("Connection %p", c);
crm_client_destroy(client);
return 0;
}
static void
pcmk_ipc_destroy(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
pcmk_ipc_closed(c);
}
struct qb_ipcs_service_handlers mcp_ipc_callbacks = {
.connection_accept = pcmk_ipc_accept,
.connection_created = pcmk_ipc_created,
.msg_process = pcmk_ipc_dispatch,
.connection_closed = pcmk_ipc_closed,
.connection_destroyed = pcmk_ipc_destroy
};
/*!
* \internal
* \brief Send an XML message with process list of all known peers to client(s)
*
* \param[in] client Send message to this client, or all clients if NULL
*/
void
update_process_clients(crm_client_t *client)
{
GHashTableIter iter;
crm_node_t *node = NULL;
xmlNode *update = create_xml_node(NULL, "nodes");
if (is_corosync_cluster()) {
crm_xml_add_int(update, "quorate", pcmk_quorate);
}
g_hash_table_iter_init(&iter, crm_peer_cache);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *) & node)) {
xmlNode *xml = create_xml_node(update, "node");
crm_xml_add_int(xml, "id", node->id);
crm_xml_add(xml, "uname", node->uname);
crm_xml_add(xml, "state", node->state);
crm_xml_add_int(xml, "processes", node->processes);
}
if(client) {
crm_trace("Sending process list to client %s", client->id);
crm_ipcs_send(client, 0, update, crm_ipc_server_event);
} else {
crm_trace("Sending process list to %d clients", crm_hash_table_size(client_connections));
g_hash_table_iter_init(&iter, client_connections);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *) & client)) {
crm_ipcs_send(client, 0, update, crm_ipc_server_event);
}
}
free_xml(update);
}
/*!
* \internal
* \brief Send a CPG message with local node's process list to all peers
*/
void
update_process_peers(void)
{
/* Do nothing for corosync-2 based clusters */
char buffer[1024];
struct iovec *iov;
int rc = 0;
memset(buffer, 0, SIZEOF(buffer));
if (local_name) {
rc = snprintf(buffer, SIZEOF(buffer) - 1, "<node uname=\"%s\" proclist=\"%u\"/>",
local_name, get_process_list());
} else {
rc = snprintf(buffer, SIZEOF(buffer) - 1, "<node proclist=\"%u\"/>", get_process_list());
}
crm_trace("Sending %s", buffer);
iov = calloc(1, sizeof(struct iovec));
iov->iov_base = strdup(buffer);
iov->iov_len = rc + 1;
send_cpg_iov(iov);
}
/*!
* \internal
* \brief Update a node's process list, notifying clients and peers if needed
*
* \param[in] id Node ID of affected node
* \param[in] uname Uname of affected node
* \param[in] procs Affected node's process list mask
*
* \return TRUE if the process list changed, FALSE otherwise
*/
gboolean
update_node_processes(uint32_t id, const char *uname, uint32_t procs)
{
gboolean changed = FALSE;
crm_node_t *node = crm_get_peer(id, uname);
if (procs != 0) {
if (procs != node->processes) {
crm_debug("Node %s now has process list: %.32x (was %.32x)",
node->uname, procs, node->processes);
node->processes = procs;
changed = TRUE;
/* If local node's processes have changed, notify clients/peers */
if (id == local_nodeid) {
update_process_clients(NULL);
update_process_peers();
}
} else {
crm_trace("Node %s still has process list: %.32x", node->uname, procs);
}
}
return changed;
}
/* *INDENT-OFF* */
static struct crm_option long_options[] = {
/* Top-level Options */
{"help", 0, 0, '?', "\tThis text"},
{"version", 0, 0, '$', "\tVersion information" },
{"verbose", 0, 0, 'V', "\tIncrease debug output"},
{"shutdown", 0, 0, 'S', "\tInstruct Pacemaker to shutdown on this machine"},
{"features", 0, 0, 'F', "\tDisplay the full version and list of features Pacemaker was built with"},
{"-spacer-", 1, 0, '-', "\nAdditional Options:"},
{"foreground", 0, 0, 'f', "\t(Ignored) Pacemaker always runs in the foreground"},
{"pid-file", 1, 0, 'p', "\t(Ignored) Daemon pid file location"},
{NULL, 0, 0, 0}
};
/* *INDENT-ON* */
static void
mcp_chown(const char *path, uid_t uid, gid_t gid)
{
int rc = chown(path, uid, gid);
if (rc < 0) {
crm_warn("Cannot change the ownership of %s to user %s and gid %d: %s",
path, CRM_DAEMON_USER, gid, pcmk_strerror(errno));
}
}
static gboolean
check_active_before_startup_processes(gpointer user_data)
{
int start_seq = 1, lpc = 0;
static int max = SIZEOF(pcmk_children);
gboolean keep_tracking = FALSE;
for (start_seq = 1; start_seq < max; start_seq++) {
for (lpc = 0; lpc < max; lpc++) {
if (pcmk_children[lpc].active_before_startup == FALSE) {
/* we are already tracking it as a child process. */
continue;
} else if (start_seq != pcmk_children[lpc].start_seq) {
continue;
- } else if (crm_pid_active(pcmk_children[lpc].pid) != 1) {
+ } else if (crm_pid_active(pcmk_children[lpc].pid, pcmk_children[lpc].name) != 1) {
crm_notice("Process %s terminated (pid=%d)",
pcmk_children[lpc].name, pcmk_children[lpc].pid);
pcmk_process_exit(&(pcmk_children[lpc]));
continue;
}
/* at least one of the processes found at startup
* is still going, so keep this recurring timer around */
keep_tracking = TRUE;
}
}
return keep_tracking;
}
static bool
find_and_track_existing_processes(void)
{
DIR *dp;
struct dirent *entry;
int start_tracker = 0;
char entry_name[64];
dp = opendir("/proc");
if (!dp) {
/* no proc directory to search through */
crm_notice("Can not read /proc directory to track existing components");
return FALSE;
}
while ((entry = readdir(dp)) != NULL) {
int pid;
int max = SIZEOF(pcmk_children);
int i;
if (crm_procfs_process_info(entry, entry_name, &pid) < 0) {
continue;
}
for (i = 0; i < max; i++) {
const char *name = pcmk_children[i].name;
if (pcmk_children[i].start_seq == 0) {
continue;
}
if (pcmk_children[i].flag == crm_proc_stonith_ng) {
name = "stonithd";
}
- if (safe_str_eq(entry_name, name) && (crm_pid_active(pid) == 1)) {
+ if (safe_str_eq(entry_name, name) && (crm_pid_active(pid, NULL) == 1)) {
crm_notice("Tracking existing %s process (pid=%d)", name, pid);
pcmk_children[i].pid = pid;
pcmk_children[i].active_before_startup = TRUE;
start_tracker = 1;
break;
}
}
}
if (start_tracker) {
g_timeout_add_seconds(PCMK_PROCESS_CHECK_INTERVAL, check_active_before_startup_processes,
NULL);
}
closedir(dp);
return start_tracker;
}
static void
init_children_processes(void)
{
int start_seq = 1, lpc = 0;
static int max = SIZEOF(pcmk_children);
/* start any children that have not been detected */
for (start_seq = 1; start_seq < max; start_seq++) {
/* dont start anything with start_seq < 1 */
for (lpc = 0; lpc < max; lpc++) {
if (pcmk_children[lpc].pid) {
/* we are already tracking it */
continue;
}
if (start_seq == pcmk_children[lpc].start_seq) {
start_child(&(pcmk_children[lpc]));
}
}
}
/* From this point on, any daemons being started will be due to
* respawning rather than node start.
*
* This may be useful for the daemons to know
*/
setenv("PCMK_respawned", "true", 1);
}
static void
mcp_cpg_destroy(gpointer user_data)
{
crm_err("Connection destroyed");
crm_exit(ENOTCONN);
}
/*!
* \internal
* \brief Process a CPG message (process list or manual peer cache removal)
*
* \param[in] handle CPG connection (ignored)
* \param[in] groupName CPG group name (ignored)
* \param[in] nodeid ID of affected node
* \param[in] pid Process ID (ignored)
* \param[in] msg CPG XML message
* \param[in] msg_len Length of msg in bytes (ignored)
*/
static void
mcp_cpg_deliver(cpg_handle_t handle,
const struct cpg_name *groupName,
uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
{
xmlNode *xml = string2xml(msg);
const char *task = crm_element_value(xml, F_CRM_TASK);
crm_trace("Received CPG message (%s): %.200s",
(task? task : "process list"), msg);
if (task == NULL) {
if (nodeid == local_nodeid) {
crm_info("Ignoring process list sent by peer for local node");
} else {
uint32_t procs = 0;
const char *uname = crm_element_value(xml, "uname");
crm_element_value_int(xml, "proclist", (int *)&procs);
if (update_node_processes(nodeid, uname, procs)) {
update_process_clients(NULL);
}
}
} else if (crm_str_eq(task, CRM_OP_RM_NODE_CACHE, TRUE)) {
int id = 0;
const char *name = NULL;
crm_element_value_int(xml, XML_ATTR_ID, &id);
name = crm_element_value(xml, XML_ATTR_UNAME);
reap_crm_member(id, name);
}
if (xml != NULL) {
free_xml(xml);
}
}
static void
mcp_cpg_membership(cpg_handle_t handle,
const struct cpg_name *groupName,
const struct cpg_address *member_list, size_t member_list_entries,
const struct cpg_address *left_list, size_t left_list_entries,
const struct cpg_address *joined_list, size_t joined_list_entries)
{
/* Update peer cache if needed */
pcmk_cpg_membership(handle, groupName, member_list, member_list_entries,
left_list, left_list_entries,
joined_list, joined_list_entries);
/* Always broadcast our own presence after any membership change */
update_process_peers();
}
static gboolean
mcp_quorum_callback(unsigned long long seq, gboolean quorate)
{
pcmk_quorate = quorate;
return TRUE;
}
static void
mcp_quorum_destroy(gpointer user_data)
{
crm_info("connection lost");
}
#if SUPPORT_CMAN
static gboolean
mcp_cman_dispatch(unsigned long long seq, gboolean quorate)
{
pcmk_quorate = quorate;
return TRUE;
}
static void
mcp_cman_destroy(gpointer user_data)
{
crm_info("connection closed");
}
#endif
int
main(int argc, char **argv)
{
int rc;
int flag;
int argerr = 0;
int option_index = 0;
gboolean shutdown = FALSE;
uid_t pcmk_uid = 0;
gid_t pcmk_gid = 0;
struct rlimit cores;
crm_ipc_t *old_instance = NULL;
qb_ipcs_service_t *ipcs = NULL;
const char *facility = daemon_option("logfacility");
static crm_cluster_t cluster;
crm_log_preinit(NULL, argc, argv);
crm_set_options(NULL, "mode [options]", long_options, "Start/Stop Pacemaker\n");
mainloop_add_signal(SIGHUP, pcmk_ignore);
mainloop_add_signal(SIGQUIT, pcmk_sigquit);
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch (flag) {
case 'V':
crm_bump_log_level(argc, argv);
break;
case 'f':
/* Legacy */
break;
case 'p':
pid_file = optarg;
break;
case '$':
case '?':
crm_help(flag, EX_OK);
break;
case 'S':
shutdown = TRUE;
break;
case 'F':
printf("Pacemaker %s (Build: %s)\n Supporting v%s: %s\n", PACEMAKER_VERSION, BUILD_VERSION,
CRM_FEATURE_SET, CRM_FEATURES);
crm_exit(pcmk_ok);
default:
printf("Argument code 0%o (%c) is not (?yet?) supported\n", flag, flag);
++argerr;
break;
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
if (argerr) {
crm_help('?', EX_USAGE);
}
setenv("LC_ALL", "C", 1);
setenv("HA_LOGD", "no", 1);
set_daemon_option("mcp", "true");
set_daemon_option("use_logd", "off");
crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
/* Restore the original facility so that mcp_read_config() does the right thing */
set_daemon_option("logfacility", facility);
crm_debug("Checking for old instances of %s", CRM_SYSTEM_MCP);
old_instance = crm_ipc_new(CRM_SYSTEM_MCP, 0);
crm_ipc_connect(old_instance);
if (shutdown) {
crm_debug("Terminating previous instance");
while (crm_ipc_connected(old_instance)) {
xmlNode *cmd =
create_request(CRM_OP_QUIT, NULL, NULL, CRM_SYSTEM_MCP, CRM_SYSTEM_MCP, NULL);
crm_debug(".");
crm_ipc_send(old_instance, cmd, 0, 0, NULL);
free_xml(cmd);
sleep(2);
}
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
crm_exit(pcmk_ok);
} else if (crm_ipc_connected(old_instance)) {
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
crm_err("Pacemaker is already active, aborting startup");
crm_exit(DAEMON_RESPAWN_STOP);
}
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
if (mcp_read_config() == FALSE) {
crm_notice("Could not obtain corosync config data, exiting");
crm_exit(ENODATA);
}
crm_notice("Starting Pacemaker %s (Build: %s): %s", PACEMAKER_VERSION, BUILD_VERSION, CRM_FEATURES);
mainloop = g_main_new(FALSE);
sysrq_init();
rc = getrlimit(RLIMIT_CORE, &cores);
if (rc < 0) {
crm_perror(LOG_ERR, "Cannot determine current maximum core size.");
} else {
if (cores.rlim_max == 0 && geteuid() == 0) {
cores.rlim_max = RLIM_INFINITY;
} else {
crm_info("Maximum core file size is: %lu", (unsigned long)cores.rlim_max);
}
cores.rlim_cur = cores.rlim_max;
rc = setrlimit(RLIMIT_CORE, &cores);
if (rc < 0) {
crm_perror(LOG_ERR,
"Core file generation will remain disabled."
" Core files are an important diagnositic tool,"
" please consider enabling them by default.");
}
#if 0
/* system() is not thread-safe, can't call from here
* Actually, its a pretty hacky way to try and achieve this anyway
*/
if (system("echo 1 > /proc/sys/kernel/core_uses_pid") != 0) {
crm_perror(LOG_ERR, "Could not enable /proc/sys/kernel/core_uses_pid");
}
#endif
}
rc = pcmk_ok;
if (crm_user_lookup(CRM_DAEMON_USER, &pcmk_uid, &pcmk_gid) < 0) {
crm_err("Cluster user %s does not exist, aborting Pacemaker startup", CRM_DAEMON_USER);
crm_exit(ENOKEY);
}
mkdir(CRM_STATE_DIR, 0750);
mcp_chown(CRM_STATE_DIR, pcmk_uid, pcmk_gid);
/* Used to store core files in */
crm_build_path(CRM_CORE_DIR, 0775);
mcp_chown(CRM_CORE_DIR, pcmk_uid, pcmk_gid);
/* Used to store blackbox dumps in */
crm_build_path(CRM_BLACKBOX_DIR, 0755);
mcp_chown(CRM_BLACKBOX_DIR, pcmk_uid, pcmk_gid);
/* Used to store policy engine inputs in */
crm_build_path(PE_STATE_DIR, 0755);
mcp_chown(PE_STATE_DIR, pcmk_uid, pcmk_gid);
/* Used to store the cluster configuration */
crm_build_path(CRM_CONFIG_DIR, 0755);
mcp_chown(CRM_CONFIG_DIR, pcmk_uid, pcmk_gid);
/* Resource agent paths are constructed by the lrmd */
ipcs = mainloop_add_ipc_server(CRM_SYSTEM_MCP, QB_IPC_NATIVE, &mcp_ipc_callbacks);
if (ipcs == NULL) {
crm_err("Couldn't start IPC server");
crm_exit(EIO);
}
/* Allows us to block shutdown */
if (cluster_connect_cfg(&local_nodeid) == FALSE) {
crm_err("Couldn't connect to Corosync's CFG service");
crm_exit(ENOPROTOOPT);
}
if(pcmk_locate_sbd() > 0) {
setenv("PCMK_watchdog", "true", 1);
} else {
setenv("PCMK_watchdog", "false", 1);
}
find_and_track_existing_processes();
cluster.destroy = mcp_cpg_destroy;
cluster.cpg.cpg_deliver_fn = mcp_cpg_deliver;
cluster.cpg.cpg_confchg_fn = mcp_cpg_membership;
crm_set_autoreap(FALSE);
if(cluster_connect_cpg(&cluster) == FALSE) {
crm_err("Couldn't connect to Corosync's CPG service");
rc = -ENOPROTOOPT;
}
if (rc == pcmk_ok && is_corosync_cluster()) {
/* Keep the membership list up-to-date for crm_node to query */
if(cluster_connect_quorum(mcp_quorum_callback, mcp_quorum_destroy) == FALSE) {
rc = -ENOTCONN;
}
}
#if SUPPORT_CMAN
if (rc == pcmk_ok && is_cman_cluster()) {
init_cman_connection(mcp_cman_dispatch, mcp_cman_destroy);
}
#endif
if(rc == pcmk_ok) {
local_name = get_local_node_name();
update_node_processes(local_nodeid, local_name, get_process_list());
mainloop_add_signal(SIGTERM, pcmk_shutdown);
mainloop_add_signal(SIGINT, pcmk_shutdown);
init_children_processes();
crm_info("Starting mainloop");
g_main_run(mainloop);
}
if (ipcs) {
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs);
ipcs = NULL;
}
g_main_destroy(mainloop);
cluster_disconnect_cpg(&cluster);
cluster_disconnect_cfg();
crm_info("Exiting %s", crm_system_name);
return crm_exit(rc);
}

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