14 #include <sys/types.h>
23 #include <sys/resource.h>
25 #ifdef HAVE_SYS_SIGNALFD_H
26 #include <sys/signalfd.h>
35 #if SUPPORT_CIBSECRETS
40 svc_read_output(
int fd,
svc_action_t * op,
bool is_stderr)
45 static const size_t buf_read_len =
sizeof(buf) - 1;
56 crm_trace(
"Reading %s stderr into offset %d", op->
id, len);
61 crm_trace(
"Reading %s stdout into offset %d", op->
id, len);
64 crm_trace(
"Reading %s %s into offset %d", op->
id, is_stderr?
"stderr":
"stdout", len);
68 rc = read(fd, buf, buf_read_len);
71 crm_trace(
"Got %d chars: %.80s", rc, buf);
72 data = realloc_safe(
data, len + rc + 1);
73 len += sprintf(
data + len,
"%s", buf);
75 }
else if (errno != EINTR) {
83 }
while (rc == buf_read_len || rc < 0);
95 dispatch_stdout(gpointer userdata)
103 dispatch_stderr(gpointer userdata)
111 pipe_out_done(gpointer user_data)
125 pipe_err_done(gpointer user_data)
138 .destroy = pipe_out_done,
143 .destroy = pipe_err_done,
147 set_ocf_env(
const char *key,
const char *value, gpointer user_data)
149 if (
setenv(key, value, 1) != 0) {
150 crm_perror(LOG_ERR,
"setenv failed for key:%s and value:%s", key, value);
155 set_ocf_env_with_prefix(gpointer key, gpointer value, gpointer user_data)
159 snprintf(buffer,
sizeof(buffer),
"OCF_RESKEY_%s", (
char *)key);
160 set_ocf_env(buffer, value, user_data);
164 set_alert_env(gpointer key, gpointer value, gpointer user_data)
169 rc =
setenv(key, value, 1);
176 (
char*)key, (value? (
char*)value :
""));
178 crm_trace(
"setenv %s=%s", (
char*)key, (value? (
char*)value :
""));
191 void (*env_setter)(gpointer, gpointer, gpointer) = NULL;
192 if (op->
agent == NULL) {
193 env_setter = set_alert_env;
196 env_setter = set_ocf_env_with_prefix;
199 if (env_setter != NULL && op->
params != NULL) {
200 g_hash_table_foreach(op->
params, env_setter, NULL);
203 if (env_setter == NULL || env_setter == set_alert_env) {
207 set_ocf_env(
"OCF_RA_VERSION_MAJOR",
"1", NULL);
208 set_ocf_env(
"OCF_RA_VERSION_MINOR",
"0", NULL);
213 set_ocf_env(
"OCF_RESOURCE_INSTANCE", op->
rsc, NULL);
216 if (op->
agent != NULL) {
217 set_ocf_env(
"OCF_RESOURCE_TYPE", op->
agent, NULL);
222 set_ocf_env(
"OCF_RESOURCE_PROVIDER", op->
provider, NULL);
231 crm_debug(
"Scheduling another invocation of %s", op->
id);
297 crm_trace(
"%s dispatching stderr", prefix);
308 crm_trace(
"%s dispatching stdout", prefix);
325 crm_info(
"%s - terminated with signal %d", prefix, signo);
330 crm_warn(
"%s - terminated with signal %d", prefix, signo);
337 crm_debug(
"%s - exited with rc=%d", prefix, exitcode);
362 services_handle_exec_error(
svc_action_t * op,
int error)
364 int rc_not_installed, rc_insufficient_priv, rc_exec_error;
393 op->
rc = rc_not_installed;
398 op->
rc = rc_insufficient_priv;
402 op->
rc = rc_exec_error;
417 signal(SIGPIPE, SIG_DFL);
419 #if defined(HAVE_SCHED_SETSCHEDULER)
420 if (sched_getscheduler(0) != SCHED_OTHER) {
421 struct sched_param sp;
423 memset(&sp, 0,
sizeof(sp));
424 sp.sched_priority = 0;
426 if (sched_setscheduler(0, SCHED_OTHER, &sp) == -1) {
427 crm_perror(LOG_ERR,
"Could not reset scheduling policy to SCHED_OTHER for %s", op->
id);
431 if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
432 crm_perror(LOG_ERR,
"Could not reset process priority to 0 for %s", op->
id);
442 for (lpc = getdtablesize() - 1; lpc > STDERR_FILENO; lpc--) {
446 #if SUPPORT_CIBSECRETS
451 crm_info(
"proceeding with the stop operation for %s", op->
rsc);
454 crm_err(
"failed to get secrets for %s, "
455 "considering resource not configured", op->
rsc);
461 add_action_env_vars(op);
464 if (op->
opaque->
uid && (geteuid() == 0)) {
474 if (setgroups(0, NULL) < 0) {
475 crm_perror(LOG_ERR,
"Could not set child groups");
490 services_handle_exec_error(op, errno);
495 #ifndef HAVE_SYS_SIGNALFD_H
496 static int sigchld_pipe[2] = { -1, -1 };
501 if ((sigchld_pipe[1] >= 0) && (write(sigchld_pipe[1],
"", 1) == -1)) {
514 struct pollfd fds[3];
517 #ifdef HAVE_SYS_SIGNALFD_H
518 sfd = signalfd(-1, mask, SFD_NONBLOCK);
523 sfd = sigchld_pipe[0];
527 fds[0].events = POLLIN;
531 fds[1].events = POLLIN;
535 fds[2].events = POLLIN;
541 int poll_rc = poll(fds, 3, timeout);
544 if (fds[0].revents & POLLIN) {
548 if (fds[1].revents & POLLIN) {
552 if (fds[2].revents & POLLIN) {
553 #ifdef HAVE_SYS_SIGNALFD_H
554 struct signalfd_siginfo fdsi;
557 s = read(sfd, &fdsi,
sizeof(
struct signalfd_siginfo));
558 if (s !=
sizeof(
struct signalfd_siginfo)) {
559 crm_perror(LOG_ERR,
"Read from signal fd %d failed", sfd);
561 }
else if (fdsi.ssi_signo == SIGCHLD) {
566 while (read(sfd, &ch, 1) == 1) ;
568 wait_rc = waitpid(op->
pid, &status, WNOHANG);
573 }
else if (wait_rc < 0){
574 if (errno == ECHILD) {
587 }
else if (poll_rc == 0) {
591 }
else if (poll_rc < 0) {
592 if (errno != EINTR) {
598 timeout = op->
timeout - (time(NULL) - start) * 1000;
600 }
while ((op->
timeout < 0 || timeout > 0));
606 if (op->
timeout > 0 && timeout <= 0) {
616 if (wait_rc == 0 && waitpid(op->
pid, &status, WNOHANG) == 0) {
617 if (kill(op->
pid, SIGKILL)) {
618 crm_err(
"kill(%d, KILL) failed: %d", op->
pid, errno);
621 while (waitpid(op->
pid, &status, 0) == (pid_t) -1 && errno == EINTR) ;
624 }
else if (WIFEXITED(status)) {
626 op->
rc = WEXITSTATUS(status);
627 crm_info(
"Managed %s process %d exited with rc=%d", op->
id, op->
pid, op->
rc);
629 }
else if (WIFSIGNALED(status)) {
630 int signo = WTERMSIG(status);
633 crm_err(
"Managed %s process %d exited with signal=%d", op->
id, op->
pid, signo);
636 if (WCOREDUMP(status)) {
637 crm_err(
"Managed %s process %d dumped core", op->
id, op->
pid);
647 #ifdef HAVE_SYS_SIGNALFD_H
663 #ifdef HAVE_SYS_SIGNALFD_H
666 #define sigchld_cleanup() do { \
667 if (sigismember(&old_mask, SIGCHLD) == 0) { \
668 if (sigprocmask(SIG_UNBLOCK, &mask, NULL) < 0) { \
669 crm_perror(LOG_ERR, "sigprocmask() failed to unblock sigchld"); \
675 struct sigaction old_sa;
676 #define sigchld_cleanup() do { \
677 if (sigaction(SIGCHLD, &old_sa, NULL) < 0) { \
678 crm_perror(LOG_ERR, "sigaction() failed to remove sigchld handler"); \
680 close(sigchld_pipe[0]); \
681 close(sigchld_pipe[1]); \
682 sigchld_pipe[0] = sigchld_pipe[1] = -1; \
690 services_handle_exec_error(op, rc);
697 if (pipe(stdout_fd) < 0) {
702 services_handle_exec_error(op, rc);
709 if (pipe(stderr_fd) < 0) {
717 services_handle_exec_error(op, rc);
725 #ifdef HAVE_SYS_SIGNALFD_H
727 sigaddset(&mask, SIGCHLD);
728 sigemptyset(&old_mask);
730 if (sigprocmask(SIG_BLOCK, &mask, &old_mask) < 0) {
731 crm_perror(LOG_ERR,
"sigprocmask() failed to block sigchld");
736 if(pipe(sigchld_pipe) == -1) {
742 crm_warn(
"Could not set pipe input non-blocking: %s " CRM_XS " rc=%d",
747 crm_warn(
"Could not set pipe output non-blocking: %s " CRM_XS " rc=%d",
751 sa.sa_handler = sigchld_handler;
753 sigemptyset(&sa.sa_mask);
754 if (sigaction(SIGCHLD, &sa, &old_sa) < 0) {
755 crm_perror(LOG_ERR,
"sigaction() failed to set sigchld handler");
773 services_handle_exec_error(op, rc);
784 if (STDOUT_FILENO != stdout_fd[1]) {
785 if (dup2(stdout_fd[1], STDOUT_FILENO) != STDOUT_FILENO) {
786 crm_err(
"dup2() failed (stdout)");
790 if (STDERR_FILENO != stderr_fd[1]) {
791 if (dup2(stderr_fd[1], STDERR_FILENO) != STDERR_FILENO) {
792 crm_err(
"dup2() failed (stderr)");
801 action_launch_child(op);
812 crm_warn(
"Could not set child output non-blocking: %s "
820 crm_warn(
"Could not set child error output non-blocking: %s "
826 action_synced_wait(op, pmask);
857 struct dirent **namelist;
858 int entries = 0, lpc = 0;
859 char buffer[PATH_MAX];
861 entries = scandir(root, &namelist, NULL,
alphasort);
866 for (lpc = 0; lpc < entries; lpc++) {
869 if (
'.' == namelist[lpc]->d_name[0]) {
874 snprintf(buffer,
sizeof(buffer),
"%s/%s", root, namelist[lpc]->d_name);
876 if (stat(buffer, &sb)) {
880 if (S_ISDIR(sb.st_mode)) {
886 }
else if (S_ISREG(sb.st_mode)) {
887 if (files == FALSE) {
891 }
else if (executable
892 && (sb.st_mode & S_IXUSR) == 0
893 && (sb.st_mode & S_IXGRP) == 0 && (sb.st_mode & S_IXOTH) == 0) {
899 list = g_list_append(list, strdup(namelist[lpc]->d_name));
918 GList *result = NULL;
919 GList *providers = NULL;
924 snprintf(buffer,
sizeof(buffer),
"%s/resource.d/%s",
OCF_ROOT_DIR, provider);
929 for (gIter = providers; gIter != NULL; gIter = gIter->next) {
930 GList *tmp1 = result;
934 result = g_list_concat(tmp1, tmp2);
937 g_list_free_full(providers, free);
945 GList *plugin_list = NULL;
946 GList *result = NULL;
952 for (gIter = plugin_list; gIter != NULL; gIter = gIter->next) {
953 const char *plugin = gIter->data;
957 if (stat(metadata, &st) == 0) {
958 result = g_list_append(result, strdup(plugin));
963 g_list_free_full(plugin_list, free);