4 Copyright (C) Andrew Tridgell 2007
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "system/filesys.h"
23 #include "system/wait.h"
24 #include "system/dir.h"
25 #include "system/locale.h"
26 #include "../include/ctdb_private.h"
27 #include "lib/events/events.h"
28 #include "../common/rb_tree.h"
30 static void ctdb_event_script_timeout(struct event_context *ev, struct timed_event *te, struct timeval t, void *p);
33 ctdbd sends us a SIGTERM when we should die.
35 static void sigterm(int sig)
37 /* all the child processes will be running in the same process group */
38 kill(-getpgrp(), SIGKILL);
42 struct ctdb_event_script_state {
43 struct ctdb_context *ctdb;
45 /* Warning: this can free us! */
46 void (*callback)(struct ctdb_context *, int, void *);
50 enum ctdb_eventscript_call call;
52 struct timeval timeout;
55 struct ctdb_scripts_wire *scripts;
58 static struct ctdb_script_wire *get_current_script(struct ctdb_event_script_state *state)
60 return &state->scripts->scripts[state->current];
63 /* called from ctdb_logging when we have received output on STDERR from
64 * one of the eventscripts
66 static void log_event_script_output(const char *str, uint16_t len, void *p)
68 struct ctdb_event_script_state *state
69 = talloc_get_type(p, struct ctdb_event_script_state);
70 struct ctdb_script_wire *current;
71 unsigned int slen, min;
73 /* We may have been aborted to run something else. Discard */
74 if (state->scripts == NULL) {
78 current = get_current_script(state);
80 /* Append, but don't overfill buffer. It starts zero-filled. */
81 slen = strlen(current->output);
82 min = MIN(len, sizeof(current->output) - slen - 1);
84 memcpy(current->output + slen, str, min);
87 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
91 if (call_type >= CTDB_EVENT_MAX) {
95 if (ctdb->last_status[call_type] == NULL) {
96 /* If it's never been run, return nothing so they can tell. */
99 outdata->dsize = talloc_get_size(ctdb->last_status[call_type]);
100 outdata->dptr = (uint8_t *)ctdb->last_status[call_type];
105 struct ctdb_script_tree_item {
110 /* Return true if OK, otherwise set errno. */
111 static bool check_executable(const char *dir, const char *name)
116 full = talloc_asprintf(NULL, "%s/%s", dir, name);
120 if (stat(full, &st) != 0) {
121 DEBUG(DEBUG_ERR,("Could not stat event script %s: %s\n",
122 full, strerror(errno)));
127 if (!(st.st_mode & S_IXUSR)) {
128 DEBUG(DEBUG_DEBUG,("Event script %s is not executable. Ignoring this event script\n", full));
138 static struct ctdb_scripts_wire *ctdb_get_script_list(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx)
144 struct ctdb_scripts_wire *scripts;
145 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
146 struct ctdb_script_tree_item *tree_item;
150 the service specific event scripts
152 if (stat(ctdb->event_script_dir, &st) != 0 &&
154 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
155 talloc_free(tmp_ctx);
159 /* create a tree to store all the script names in */
160 tree = trbt_create(tmp_ctx, 0);
162 /* scan all directory entries and insert all valid scripts into the
165 dir = opendir(ctdb->event_script_dir);
167 DEBUG(DEBUG_CRIT,("Failed to open event script directory '%s'\n", ctdb->event_script_dir));
168 talloc_free(tmp_ctx);
173 while ((de=readdir(dir)) != NULL) {
177 namlen = strlen(de->d_name);
183 if (de->d_name[namlen-1] == '~') {
184 /* skip files emacs left behind */
188 if (de->d_name[2] != '.') {
192 if (sscanf(de->d_name, "%02u.", &num) != 1) {
196 if (strlen(de->d_name) > MAX_SCRIPT_NAME) {
197 DEBUG(DEBUG_ERR,("Script name %s too long! %u chars max",
198 de->d_name, MAX_SCRIPT_NAME));
202 tree_item = talloc(tree, struct ctdb_script_tree_item);
203 if (tree_item == NULL) {
204 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate new tree item\n"));
205 talloc_free(tmp_ctx);
209 tree_item->error = 0;
210 if (!check_executable(ctdb->event_script_dir, de->d_name)) {
211 tree_item->error = errno;
214 tree_item->name = talloc_strdup(tree_item, de->d_name);
215 if (tree_item->name == NULL) {
216 DEBUG(DEBUG_ERR,(__location__ " Failed to allocate script name.\n"));
217 talloc_free(tmp_ctx);
221 /* store the event script in the tree */
222 trbt_insert32(tree, (num<<16)|count++, tree_item);
226 /* Overallocates by one, but that's OK */
227 scripts = talloc_zero_size(tmp_ctx,
229 + sizeof(scripts->scripts[0]) * count);
230 if (scripts == NULL) {
231 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate scripts\n"));
232 talloc_free(tmp_ctx);
235 scripts->num_scripts = count;
237 for (count = 0; count < scripts->num_scripts; count++) {
238 tree_item = trbt_findfirstarray32(tree, 1);
240 strcpy(scripts->scripts[count].name, tree_item->name);
241 scripts->scripts[count].status = -tree_item->error;
243 /* remove this script from the tree */
244 talloc_free(tree_item);
247 talloc_steal(mem_ctx, scripts);
248 talloc_free(tmp_ctx);
252 static int child_setup(struct ctdb_context *ctdb)
254 if (setpgid(0,0) != 0) {
256 DEBUG(DEBUG_ERR,("Failed to create process group for event scripts - %s\n",
261 signal(SIGTERM, sigterm);
265 static char *child_command_string(struct ctdb_context *ctdb,
268 const char *scriptname,
269 enum ctdb_eventscript_call call,
272 const char *str = from_user ? "CTDB_CALLED_BY_USER=1 " : "";
274 /* Allow a setting where we run the actual monitor event
275 from an external source and replace it with
276 a "status" event that just picks up the actual
277 status of the event asynchronously.
279 if ((ctdb->tunable.use_status_events_for_monitoring != 0)
280 && (call == CTDB_EVENT_MONITOR)
282 return talloc_asprintf(ctx, "%s%s/%s %s",
284 ctdb->event_script_dir,
285 scriptname, "status");
287 return talloc_asprintf(ctx, "%s%s/%s %s %s",
289 ctdb->event_script_dir,
291 ctdb_eventscript_call_names[call],
296 static int child_run_one(struct ctdb_context *ctdb,
297 const char *scriptname, const char *cmdstr)
301 ret = system(cmdstr);
302 /* if the system() call was successful, translate ret into the
303 return code from the command
306 ret = WEXITSTATUS(ret);
311 /* 127 could mean it does not exist, 126 non-executable. */
312 if (ret == 127 || ret == 126) {
314 if (!check_executable(ctdb->event_script_dir, scriptname)) {
315 DEBUG(DEBUG_ERR,("Script %s returned status %u. Someone just deleted it?\n",
324 Actually run one event script
325 this function is called and run in the context of a forked child
326 which allows it to do blocking calls such as system()
328 static int child_run_script(struct ctdb_context *ctdb,
330 enum ctdb_eventscript_call call,
332 struct ctdb_script_wire *current)
336 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
338 ret = child_setup(ctdb);
342 cmdstr = child_command_string(ctdb, tmp_ctx, from_user,
343 current->name, call, options);
344 CTDB_NO_MEMORY(ctdb, cmdstr);
346 DEBUG(DEBUG_DEBUG,("Executing event script %s\n",cmdstr));
348 if (current->status) {
349 ret = current->status;
353 ret = child_run_one(ctdb, current->name, cmdstr);
355 talloc_free(tmp_ctx);
359 static void ctdb_event_script_handler(struct event_context *ev, struct fd_event *fde,
360 uint16_t flags, void *p);
362 static int fork_child_for_script(struct ctdb_context *ctdb,
363 struct ctdb_event_script_state *state)
366 struct ctdb_script_wire *current = get_current_script(state);
368 current->start = timeval_current();
372 DEBUG(DEBUG_ERR, (__location__ " pipe failed for child eventscript process\n"));
376 if (!ctdb_fork_with_logging(state, ctdb, log_event_script_output,
377 state, &state->child)) {
384 /* If we are the child, do the work. */
385 if (state->child == 0) {
389 set_close_on_exec(state->fd[1]);
391 rt = child_run_script(ctdb, state->from_user, state->call, state->options, current);
392 /* We must be able to write PIPEBUF bytes at least; if this
393 somehow fails, the read above will be short. */
394 write(state->fd[1], &rt, sizeof(rt));
400 set_close_on_exec(state->fd[0]);
402 DEBUG(DEBUG_DEBUG, (__location__ " Created PIPE FD:%d to child eventscript process\n", state->fd[0]));
404 /* Set ourselves up to be called when that's done. */
405 event_add_fd(ctdb->ev, state, state->fd[0], EVENT_FD_READ|EVENT_FD_AUTOCLOSE,
406 ctdb_event_script_handler, state);
411 Summarize status of this run of scripts.
413 static int script_status(struct ctdb_scripts_wire *scripts)
417 for (i = 0; i < scripts->num_scripts; i++) {
418 switch (scripts->scripts[i].status) {
421 /* Disabled or missing; that's OK. */
427 return scripts->scripts[i].status;
435 /* called when child is finished */
436 static void ctdb_event_script_handler(struct event_context *ev, struct fd_event *fde,
437 uint16_t flags, void *p)
439 struct ctdb_event_script_state *state =
440 talloc_get_type(p, struct ctdb_event_script_state);
441 struct ctdb_script_wire *current = get_current_script(state);
442 struct ctdb_context *ctdb = state->ctdb;
445 r = read(state->fd[0], ¤t->status, sizeof(current->status));
447 current->status = -errno;
448 } else if (r != sizeof(current->status)) {
449 current->status = -EIO;
452 current->finished = timeval_current();
453 /* valgrind gets overloaded if we run next script as it's still doing
454 * post-execution analysis, so kill finished child here. */
455 if (ctdb->valgrinding) {
456 kill(state->child, SIGKILL);
461 status = script_status(state->scripts);
463 /* Aborted or finished all scripts? We're done. */
464 if (status != 0 || state->current+1 == state->scripts->num_scripts) {
465 DEBUG(DEBUG_INFO,(__location__ " Eventscript %s %s finished with state %d\n",
466 ctdb_eventscript_call_names[state->call], state->options, status));
468 ctdb->event_script_timeouts = 0;
473 /* Forget about that old fd. */
479 current->status = fork_child_for_script(ctdb, state);
480 if (current->status != 0) {
481 /* This calls the callback. */
486 static void debug_timeout(struct ctdb_event_script_state *state)
488 struct ctdb_script_wire *current = get_current_script(state);
492 char tbuf[100], buf[200];
494 cmd = child_command_string(state->ctdb, state,
495 state->from_user, current->name,
496 state->call, state->options);
497 CTDB_NO_MEMORY_VOID(state->ctdb, cmd);
499 DEBUG(DEBUG_ERR,("Timed out running script '%s' after %.1f seconds pid :%d\n",
500 cmd, timeval_elapsed(¤t->start), state->child));
504 strftime(tbuf, sizeof(tbuf)-1, "%Y%m%d%H%M%S", localtime(&t));
505 sprintf(buf, "{ pstree -p; cat /proc/locks; ls -li /var/ctdb/ /var/ctdb/persistent; }"
506 " >/tmp/ctdb.event.%s.%d", tbuf, getpid());
510 ctdb_reduce_priority(state->ctdb);
512 /* Now we can kill the child */
513 kill(state->child, SIGTERM);
517 DEBUG(DEBUG_ERR,("Fork for debug script failed : %s\n",
520 DEBUG(DEBUG_ERR,("Logged timedout eventscript : %s\n", buf));
521 /* Don't kill child until timeout done. */
526 /* called when child times out */
527 static void ctdb_event_script_timeout(struct event_context *ev, struct timed_event *te,
528 struct timeval t, void *p)
530 struct ctdb_event_script_state *state = talloc_get_type(p, struct ctdb_event_script_state);
531 struct ctdb_context *ctdb = state->ctdb;
532 struct ctdb_script_wire *current = get_current_script(state);
534 DEBUG(DEBUG_ERR,("Event script timed out : %s %s %s count : %u pid : %d\n",
535 current->name, ctdb_eventscript_call_names[state->call], state->options, ctdb->event_script_timeouts, state->child));
537 /* ignore timeouts for these events */
538 switch (state->call) {
539 case CTDB_EVENT_START_RECOVERY:
540 case CTDB_EVENT_RECOVERED:
541 case CTDB_EVENT_TAKE_IP:
542 case CTDB_EVENT_RELEASE_IP:
543 case CTDB_EVENT_STOPPED:
544 case CTDB_EVENT_MONITOR:
545 case CTDB_EVENT_STATUS:
546 state->scripts->scripts[state->current].status = 0;
547 DEBUG(DEBUG_ERR,("Ignoring hung script for %s call %d\n", state->options, state->call));
550 state->scripts->scripts[state->current].status = -ETIME;
551 debug_timeout(state);
558 destroy an event script: kill it if ->child != 0.
560 static int event_script_destructor(struct ctdb_event_script_state *state)
565 DEBUG(DEBUG_ERR,(__location__ " Sending SIGTERM to child pid:%d\n", state->child));
567 if (kill(state->child, SIGTERM) != 0) {
568 DEBUG(DEBUG_ERR,("Failed to kill child process for eventscript, errno %s(%d)\n", strerror(errno), errno));
572 /* If we were the current monitor, we no longer are. */
573 if (state->ctdb->current_monitor == state) {
574 state->ctdb->current_monitor = NULL;
577 /* Save our scripts as the last executed status, if we have them.
578 * See ctdb_event_script_callback_v where we abort monitor event. */
579 if (state->scripts) {
580 talloc_free(state->ctdb->last_status[state->call]);
581 state->ctdb->last_status[state->call] = state->scripts;
582 if (state->current < state->ctdb->last_status[state->call]->num_scripts) {
583 state->ctdb->last_status[state->call]->num_scripts = state->current+1;
587 /* Use last status as result, or "OK" if none. */
588 if (state->ctdb->last_status[state->call]) {
589 status = script_status(state->ctdb->last_status[state->call]);
594 /* This is allowed to free us; talloc will prevent double free anyway,
595 * but beware if you call this outside the destructor! */
596 if (state->callback) {
597 state->callback(state->ctdb, status, state->private_data);
603 static unsigned int count_words(const char *options)
605 unsigned int words = 0;
607 options += strspn(options, " \t");
610 options += strcspn(options, " \t");
611 options += strspn(options, " \t");
616 static bool check_options(enum ctdb_eventscript_call call, const char *options)
619 /* These all take no arguments. */
620 case CTDB_EVENT_INIT:
621 case CTDB_EVENT_SETUP:
622 case CTDB_EVENT_STARTUP:
623 case CTDB_EVENT_START_RECOVERY:
624 case CTDB_EVENT_RECOVERED:
625 case CTDB_EVENT_STOPPED:
626 case CTDB_EVENT_MONITOR:
627 case CTDB_EVENT_STATUS:
628 case CTDB_EVENT_SHUTDOWN:
629 case CTDB_EVENT_RELOAD:
630 return count_words(options) == 0;
632 case CTDB_EVENT_TAKE_IP: /* interface, IP address, netmask bits. */
633 case CTDB_EVENT_RELEASE_IP:
634 return count_words(options) == 3;
636 case CTDB_EVENT_UPDATE_IP: /* old interface, new interface, IP address, netmask bits. */
637 return count_words(options) == 4;
640 DEBUG(DEBUG_ERR,(__location__ "Unknown ctdb_eventscript_call %u\n", call));
646 run the event script in the background, calling the callback when
649 static int ctdb_event_script_callback_v(struct ctdb_context *ctdb,
650 void (*callback)(struct ctdb_context *, int, void *),
653 enum ctdb_eventscript_call call,
654 const char *fmt, va_list ap)
656 struct ctdb_event_script_state *state;
658 state = talloc(ctdb->event_script_ctx, struct ctdb_event_script_state);
659 CTDB_NO_MEMORY(ctdb, state);
662 state->callback = callback;
663 state->private_data = private_data;
664 state->from_user = from_user;
666 state->options = talloc_vasprintf(state, fmt, ap);
667 state->timeout = timeval_set(ctdb->tunable.script_timeout, 0);
668 state->scripts = NULL;
669 if (state->options == NULL) {
670 DEBUG(DEBUG_ERR, (__location__ " could not allocate state->options\n"));
674 if (!check_options(state->call, state->options)) {
675 DEBUG(DEBUG_ERR, ("Bad eventscript options '%s' for %s\n",
676 ctdb_eventscript_call_names[state->call], state->options));
681 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
682 /* we guarantee that only some specifically allowed event scripts are run
684 const enum ctdb_eventscript_call allowed_calls[] = {
687 CTDB_EVENT_START_RECOVERY,
689 CTDB_EVENT_RELEASE_IP,
693 for (i=0;i<ARRAY_SIZE(allowed_calls);i++) {
694 if (call == allowed_calls[i]) break;
696 if (i == ARRAY_SIZE(allowed_calls)) {
697 DEBUG(DEBUG_ERR,("Refusing to run event scripts call '%s' while in recovery\n",
698 ctdb_eventscript_call_names[call]));
704 /* Kill off any running monitor events to run this event. */
705 if (ctdb->current_monitor) {
706 /* Discard script status so we don't save to last_status */
707 talloc_free(ctdb->current_monitor->scripts);
708 ctdb->current_monitor->scripts = NULL;
709 talloc_free(ctdb->current_monitor);
710 ctdb->current_monitor = NULL;
713 DEBUG(DEBUG_INFO,(__location__ " Starting eventscript %s %s\n",
714 ctdb_eventscript_call_names[state->call],
717 /* This is not a child of state, since we save it in destructor. */
718 state->scripts = ctdb_get_script_list(ctdb, ctdb);
719 if (state->scripts == NULL) {
726 if (!from_user && (call == CTDB_EVENT_MONITOR || call == CTDB_EVENT_STATUS)) {
727 ctdb->current_monitor = state;
730 talloc_set_destructor(state, event_script_destructor);
733 if (state->scripts->num_scripts == 0) {
738 state->scripts->scripts[0].status = fork_child_for_script(ctdb, state);
739 if (state->scripts->scripts[0].status != 0) {
740 /* Callback is called from destructor, with fail result. */
745 if (!timeval_is_zero(&state->timeout)) {
746 event_add_timed(ctdb->ev, state, timeval_current_ofs(state->timeout.tv_sec, state->timeout.tv_usec), ctdb_event_script_timeout, state);
748 DEBUG(DEBUG_ERR, (__location__ " eventscript %s %s called with no timeout\n",
749 ctdb_eventscript_call_names[state->call],
758 run the event script in the background, calling the callback when
761 int ctdb_event_script_callback(struct ctdb_context *ctdb,
763 void (*callback)(struct ctdb_context *, int, void *),
766 enum ctdb_eventscript_call call,
767 const char *fmt, ...)
773 ret = ctdb_event_script_callback_v(ctdb, callback, private_data, from_user, call, fmt, ap);
780 struct callback_status {
786 called when ctdb_event_script() finishes
788 static void event_script_callback(struct ctdb_context *ctdb, int status, void *private_data)
790 struct callback_status *s = (struct callback_status *)private_data;
796 run the event script, waiting for it to complete. Used when the caller
797 doesn't want to continue till the event script has finished.
799 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
800 const char *fmt, ...)
804 struct callback_status status;
807 ret = ctdb_event_script_callback_v(ctdb,
808 event_script_callback, &status, false, call, fmt, ap);
817 while (status.done == false && event_loop_once(ctdb->ev) == 0) /* noop */;
819 if (status.status == -ETIME) {
820 DEBUG(DEBUG_ERR, (__location__ " eventscript for '%s' timedout."
821 " Immediately banning ourself for %d seconds\n",
822 ctdb_eventscript_call_names[call],
823 ctdb->tunable.recovery_ban_period));
827 return status.status;
830 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call)
832 /* GCC complains about empty format string, so use %s and "". */
833 return ctdb_event_script_args(ctdb, call, "%s", "");
836 struct eventscript_callback_state {
837 struct ctdb_req_control *c;
841 called when a forced eventscript run has finished
843 static void run_eventscripts_callback(struct ctdb_context *ctdb, int status,
846 struct eventscript_callback_state *state =
847 talloc_get_type(private_data, struct eventscript_callback_state);
849 ctdb_enable_monitoring(ctdb);
852 DEBUG(DEBUG_ERR,(__location__ " Failed to forcibly run eventscripts\n"));
855 ctdb_request_control_reply(ctdb, state->c, NULL, status, NULL);
856 /* This will free the struct ctdb_event_script_state we are in! */
862 /* Returns rest of string, or NULL if no match. */
863 static const char *get_call(const char *p, enum ctdb_eventscript_call *call)
867 /* Skip any initial whitespace. */
868 p += strspn(p, " \t");
870 /* See if we match any. */
871 for (*call = 0; *call < CTDB_EVENT_MAX; (*call)++) {
872 len = strlen(ctdb_eventscript_call_names[*call]);
873 if (strncmp(p, ctdb_eventscript_call_names[*call], len) == 0) {
874 /* If end of string or whitespace, we're done. */
875 if (strcspn(p + len, " \t") == 0) {
884 A control to force running of the eventscripts from the ctdb client tool
886 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb,
887 struct ctdb_req_control *c,
888 TDB_DATA indata, bool *async_reply)
891 struct eventscript_callback_state *state;
893 enum ctdb_eventscript_call call;
895 /* Figure out what call they want. */
896 options = get_call((const char *)indata.dptr, &call);
898 DEBUG(DEBUG_ERR, (__location__ " Invalid forced \"%s\"\n", (const char *)indata.dptr));
902 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
903 DEBUG(DEBUG_ERR, (__location__ " Aborted running eventscript \"%s\" while in RECOVERY mode\n", indata.dptr));
907 state = talloc(ctdb->event_script_ctx, struct eventscript_callback_state);
908 CTDB_NO_MEMORY(ctdb, state);
910 state->c = talloc_steal(state, c);
912 DEBUG(DEBUG_NOTICE,("Forced running of eventscripts with arguments %s\n", indata.dptr));
914 ctdb_disable_monitoring(ctdb);
916 ret = ctdb_event_script_callback(ctdb,
917 state, run_eventscripts_callback, state,
918 true, call, "%s", options);
921 ctdb_enable_monitoring(ctdb);
922 DEBUG(DEBUG_ERR,(__location__ " Failed to run eventscripts with arguments %s\n", indata.dptr));
927 /* tell ctdb_control.c that we will be replying asynchronously */
935 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata)
940 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
942 script = (char *)indata.dptr;
943 if (indata.dsize == 0) {
944 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
945 talloc_free(tmp_ctx);
948 if (indata.dptr[indata.dsize - 1] != '\0') {
949 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
950 talloc_free(tmp_ctx);
953 if (index(script,'/') != NULL) {
954 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to enable script %s\n", script));
955 talloc_free(tmp_ctx);
960 if (stat(ctdb->event_script_dir, &st) != 0 &&
962 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
963 talloc_free(tmp_ctx);
968 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
969 if (filename == NULL) {
970 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
971 talloc_free(tmp_ctx);
975 if (stat(filename, &st) != 0) {
976 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to enable script.\n", filename));
977 talloc_free(tmp_ctx);
981 if (chmod(filename, st.st_mode | S_IXUSR) == -1) {
982 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to enable script.\n", filename));
983 talloc_free(tmp_ctx);
987 talloc_free(tmp_ctx);
991 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata)
996 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
998 script = (char *)indata.dptr;
999 if (indata.dsize == 0) {
1000 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
1001 talloc_free(tmp_ctx);
1004 if (indata.dptr[indata.dsize - 1] != '\0') {
1005 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
1006 talloc_free(tmp_ctx);
1009 if (index(script,'/') != NULL) {
1010 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to disable script %s\n", script));
1011 talloc_free(tmp_ctx);
1016 if (stat(ctdb->event_script_dir, &st) != 0 &&
1018 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
1019 talloc_free(tmp_ctx);
1024 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
1025 if (filename == NULL) {
1026 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
1027 talloc_free(tmp_ctx);
1031 if (stat(filename, &st) != 0) {
1032 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to disable script.\n", filename));
1033 talloc_free(tmp_ctx);
1037 if (chmod(filename, st.st_mode & ~(S_IXUSR|S_IXGRP|S_IXOTH)) == -1) {
1038 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to disable script.\n", filename));
1039 talloc_free(tmp_ctx);
1043 talloc_free(tmp_ctx);