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"
32 const char *script_running;
35 static const char *call_names[] = {
48 static void ctdb_event_script_timeout(struct event_context *ev, struct timed_event *te, struct timeval t, void *p);
51 ctdbd sends us a SIGTERM when we should time out the current script
53 static void sigterm(int sig)
55 char tbuf[100], buf[200];
58 DEBUG(DEBUG_ERR,("Timed out running script '%s' after %.1f seconds pid :%d\n",
59 child_state.script_running, timeval_elapsed(&child_state.start), getpid()));
63 strftime(tbuf, sizeof(tbuf)-1, "%Y%m%d%H%M%S", localtime(&t));
64 sprintf(buf, "pstree -p >/tmp/ctdb.event.%s.%d", tbuf, getpid());
67 DEBUG(DEBUG_ERR,("Logged timedout eventscript : %s\n", buf));
69 /* all the child processes will be running in the same process group */
70 kill(-getpgrp(), SIGKILL);
74 struct ctdb_event_script_state {
75 struct ctdb_context *ctdb;
77 /* Warning: this can free us! */
78 void (*callback)(struct ctdb_context *, int, void *);
83 enum ctdb_eventscript_call call;
85 struct timeval timeout;
88 struct ctdb_scripts *scripts;
94 struct timeval finished;
100 uint32_t num_scripts;
101 struct ctdb_script scripts[1];
104 static struct ctdb_script *get_current_script(struct ctdb_event_script_state *state)
106 return &state->scripts->scripts[state->current];
109 /* called from ctdb_logging when we have received output on STDERR from
110 * one of the eventscripts
112 static void log_event_script_output(const char *str, uint16_t len, void *p)
114 struct ctdb_event_script_state *state
115 = talloc_get_type(p, struct ctdb_event_script_state);
116 struct ctdb_script *current = get_current_script(state);
118 current->output = talloc_asprintf_append(current->output, "%*.*s", len, len, str);
121 static struct ctdb_monitoring_wire *marshall_monitoring_scripts(TALLOC_CTX *mem_ctx, const struct ctdb_scripts *scripts, unsigned int num_scripts)
123 struct ctdb_monitoring_wire *wire;
126 /* Overallocates by 1, but that's OK. */
127 wire = talloc_zero_size(mem_ctx, sizeof(*wire) +
128 sizeof(wire->scripts)*num_scripts);
133 wire->num_scripts = num_scripts;
134 for (i = 0; i < wire->num_scripts; i++) {
135 strncpy(wire->scripts[i].name,
136 scripts->scripts[i].name, MAX_SCRIPT_NAME);
137 wire->scripts[i].start = scripts->scripts[i].start;
138 wire->scripts[i].finished = scripts->scripts[i].finished;
139 wire->scripts[i].status = scripts->scripts[i].status;
140 if (scripts->scripts[i].output != NULL) {
141 strncpy(wire->scripts[i].output,
142 scripts->scripts[i].output, MAX_SCRIPT_OUTPUT);
149 /* called when all event script child processes are done */
150 static int32_t ctdb_control_event_script_finished(struct ctdb_context *ctdb)
152 DEBUG(DEBUG_INFO, ("event script finished called\n"));
154 if (ctdb->current_monitor == NULL) {
155 DEBUG(DEBUG_ERR,(__location__ " script_status is NULL when monitoring event finished\n"));
159 talloc_free(ctdb->last_status);
161 = marshall_monitoring_scripts(ctdb,
162 ctdb->current_monitor->scripts,
163 ctdb->current_monitor->current+1);
164 if (ctdb->last_status == NULL) {
165 DEBUG(DEBUG_ERR,(__location__ " failed to talloc last_status\n"));
169 talloc_free(ctdb->current_monitor->scripts);
170 ctdb->current_monitor->scripts = NULL;
175 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb, TDB_DATA *outdata)
177 struct ctdb_monitoring_wire *monitoring_scripts = ctdb->last_status;
179 if (monitoring_scripts == NULL) {
180 DEBUG(DEBUG_ERR,(__location__ " last_monitor_status_ctx is NULL when reading status\n"));
184 outdata->dsize = talloc_get_size(monitoring_scripts);
185 outdata->dptr = (uint8_t *)monitoring_scripts;
190 struct ctdb_script_tree_item {
195 /* Return true if OK, otherwise set errno. */
196 static bool check_executable(const char *dir, const char *name)
201 full = talloc_asprintf(NULL, "%s/%s", dir, name);
205 if (stat(full, &st) != 0) {
206 DEBUG(DEBUG_ERR,("Could not stat event script %s: %s\n",
207 full, strerror(errno)));
212 if (!(st.st_mode & S_IXUSR)) {
213 DEBUG(DEBUG_INFO,("Event script %s is not executable. Ignoring this event script\n", full));
223 static struct ctdb_scripts *ctdb_get_script_list(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx)
229 struct ctdb_scripts *scripts;
230 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
231 struct ctdb_script_tree_item *tree_item;
235 the service specific event scripts
237 if (stat(ctdb->event_script_dir, &st) != 0 &&
239 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
240 talloc_free(tmp_ctx);
244 /* create a tree to store all the script names in */
245 tree = trbt_create(tmp_ctx, 0);
247 /* scan all directory entries and insert all valid scripts into the
250 dir = opendir(ctdb->event_script_dir);
252 DEBUG(DEBUG_CRIT,("Failed to open event script directory '%s'\n", ctdb->event_script_dir));
253 talloc_free(tmp_ctx);
258 while ((de=readdir(dir)) != NULL) {
262 namlen = strlen(de->d_name);
268 if (de->d_name[namlen-1] == '~') {
269 /* skip files emacs left behind */
273 if (de->d_name[2] != '.') {
277 if (sscanf(de->d_name, "%02u.", &num) != 1) {
281 tree_item = talloc(tree, struct ctdb_script_tree_item);
282 if (tree_item == NULL) {
283 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate new tree item\n"));
284 talloc_free(tmp_ctx);
288 tree_item->error = 0;
289 if (!check_executable(ctdb->event_script_dir, de->d_name)) {
290 tree_item->error = errno;
293 tree_item->name = talloc_strdup(tree_item, de->d_name);
294 if (tree_item->name == NULL) {
295 DEBUG(DEBUG_ERR,(__location__ " Failed to allocate script name.\n"));
296 talloc_free(tmp_ctx);
300 /* store the event script in the tree */
301 trbt_insert32(tree, (num<<16)|count++, tree_item);
305 /* Overallocates by one, but that's OK */
306 scripts = talloc_size(tmp_ctx,
308 + sizeof(scripts->scripts[0]) * count);
309 if (scripts == NULL) {
310 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate scripts\n"));
311 talloc_free(tmp_ctx);
314 scripts->num_scripts = count;
316 for (count = 0; count < scripts->num_scripts; count++) {
317 tree_item = trbt_findfirstarray32(tree, 1);
319 scripts->scripts[count].name
320 = talloc_steal(scripts, tree_item->name);
321 scripts->scripts[count].status = -tree_item->error;
322 scripts->scripts[count].output = talloc_strdup(scripts, "");
323 if (scripts->scripts[count].output == NULL) {
324 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate new script output\n"));
325 talloc_free(tmp_ctx);
328 /* remove this script from the tree */
329 talloc_free(tree_item);
332 talloc_steal(mem_ctx, scripts);
333 talloc_free(tmp_ctx);
337 static int child_setup(struct ctdb_context *ctdb)
339 if (setpgid(0,0) != 0) {
341 DEBUG(DEBUG_ERR,("Failed to create process group for event scripts - %s\n",
346 signal(SIGTERM, sigterm);
350 static char *child_command_string(struct ctdb_context *ctdb,
353 const char *scriptname,
354 enum ctdb_eventscript_call call,
357 const char *str = from_user ? "CTDB_CALLED_BY_USER=1 " : "";
359 /* Allow a setting where we run the actual monitor event
360 from an external source and replace it with
361 a "status" event that just picks up the actual
362 status of the event asynchronously.
364 if ((ctdb->tunable.use_status_events_for_monitoring != 0)
365 && (call == CTDB_EVENT_MONITOR)
367 return talloc_asprintf(ctx, "%s%s/%s %s",
369 ctdb->event_script_dir,
370 scriptname, "status");
372 return talloc_asprintf(ctx, "%s%s/%s %s %s",
374 ctdb->event_script_dir,
375 scriptname, call_names[call], options);
379 static int child_run_one(struct ctdb_context *ctdb,
380 const char *scriptname, const char *cmdstr)
384 ret = system(cmdstr);
385 /* if the system() call was successful, translate ret into the
386 return code from the command
389 ret = WEXITSTATUS(ret);
394 /* 127 could mean it does not exist, 126 non-executable. */
395 if (ret == 127 || ret == 126) {
397 if (!check_executable(ctdb->event_script_dir, scriptname)) {
398 DEBUG(DEBUG_ERR,("Script %s returned status %u. Someone just deleted it?\n",
407 Actually run one event script
408 this function is called and run in the context of a forked child
409 which allows it to do blocking calls such as system()
411 static int child_run_script(struct ctdb_context *ctdb,
413 enum ctdb_eventscript_call call,
415 struct ctdb_script *current)
419 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
421 child_state.start = timeval_current();
422 ret = child_setup(ctdb);
426 cmdstr = child_command_string(ctdb, tmp_ctx, from_user,
427 current->name, call, options);
428 CTDB_NO_MEMORY(ctdb, cmdstr);
429 child_state.script_running = cmdstr;
431 DEBUG(DEBUG_INFO,("Executing event script %s\n",cmdstr));
433 if (current->status) {
434 ret = current->status;
438 ret = child_run_one(ctdb, current->name, cmdstr);
440 talloc_free(tmp_ctx);
444 static void ctdb_event_script_handler(struct event_context *ev, struct fd_event *fde,
445 uint16_t flags, void *p);
447 static int fork_child_for_script(struct ctdb_context *ctdb,
448 struct ctdb_event_script_state *state)
451 struct ctdb_script *current = get_current_script(state);
453 current->start = timeval_current();
457 DEBUG(DEBUG_ERR, (__location__ " pipe failed for child eventscript process\n"));
461 if (!ctdb_fork_with_logging(current->output, ctdb,
462 log_event_script_output,
463 state, &state->child)) {
470 /* If we are the child, do the work. */
471 if (state->child == 0) {
475 set_close_on_exec(state->fd[1]);
477 rt = child_run_script(ctdb, state->from_user, state->call, state->options, current);
478 /* We must be able to write PIPEBUF bytes at least; if this
479 somehow fails, the read above will be short. */
480 write(state->fd[1], &rt, sizeof(rt));
486 set_close_on_exec(state->fd[0]);
488 DEBUG(DEBUG_DEBUG, (__location__ " Created PIPE FD:%d to child eventscript process\n", state->fd[0]));
490 /* Set ourselves up to be called when that's done. */
491 event_add_fd(ctdb->ev, state, state->fd[0], EVENT_FD_READ|EVENT_FD_AUTOCLOSE,
492 ctdb_event_script_handler, state);
496 /* called when child is finished */
497 static void ctdb_event_script_handler(struct event_context *ev, struct fd_event *fde,
498 uint16_t flags, void *p)
500 struct ctdb_event_script_state *state =
501 talloc_get_type(p, struct ctdb_event_script_state);
502 struct ctdb_script *current = get_current_script(state);
503 struct ctdb_context *ctdb = state->ctdb;
506 r = read(state->fd[0], ¤t->status, sizeof(current->status));
508 current->status = -errno;
509 } else if (r != sizeof(current->status)) {
510 current->status = -EIO;
513 current->finished = timeval_current();
515 /* update overall status based on this script. */
516 state->cb_status = current->status;
518 /* don't stop just because it vanished or was disabled. */
519 if (current->status == -ENOENT || current->status == -ENOEXEC) {
520 state->cb_status = 0;
525 /* Aborted or finished all scripts? We're done. */
526 if (state->cb_status != 0 || state->current+1 == state->scripts->num_scripts) {
527 DEBUG(DEBUG_INFO,(__location__ " Eventscript %s %s finished with state %d\n",
528 call_names[state->call], state->options, state->cb_status));
530 if (!state->from_user && state->call == CTDB_EVENT_MONITOR) {
531 ctdb_control_event_script_finished(ctdb);
533 ctdb->event_script_timeouts = 0;
538 /* Forget about that old fd. */
543 state->cb_status = fork_child_for_script(ctdb, state);
544 if (state->cb_status != 0) {
545 if (!state->from_user && state->call == CTDB_EVENT_MONITOR) {
546 ctdb_control_event_script_finished(ctdb);
548 /* This calls the callback. */
553 /* called when child times out */
554 static void ctdb_event_script_timeout(struct event_context *ev, struct timed_event *te,
555 struct timeval t, void *p)
557 struct ctdb_event_script_state *state = talloc_get_type(p, struct ctdb_event_script_state);
558 struct ctdb_context *ctdb = state->ctdb;
560 DEBUG(DEBUG_ERR,("Event script timed out : %s %s count : %u pid : %d\n",
561 call_names[state->call], state->options, ctdb->event_script_timeouts, state->child));
563 state->cb_status = -ETIME;
565 if (kill(state->child, 0) != 0) {
566 DEBUG(DEBUG_ERR,("Event script child process already dead, errno %s(%d)\n", strerror(errno), errno));
570 if (state->call == CTDB_EVENT_MONITOR || state->call == CTDB_EVENT_STATUS) {
571 state->scripts->scripts[state->current].status = state->cb_status;
572 ctdb_control_event_script_finished(ctdb);
579 destroy an event script: kill it if ->child != 0.
581 static int event_script_destructor(struct ctdb_event_script_state *state)
584 DEBUG(DEBUG_ERR,(__location__ " Sending SIGTERM to child pid:%d\n", state->child));
586 if (kill(state->child, SIGTERM) != 0) {
587 DEBUG(DEBUG_ERR,("Failed to kill child process for eventscript, errno %s(%d)\n", strerror(errno), errno));
591 /* If we were the current monitor, we no longer are. */
592 if (state->ctdb->current_monitor == state) {
593 state->ctdb->current_monitor = NULL;
596 /* This is allowed to free us; talloc will prevent double free anyway,
597 * but beware if you call this outside the destructor! */
598 if (state->callback) {
599 state->callback(state->ctdb, state->cb_status, state->private_data);
605 static unsigned int count_words(const char *options)
607 unsigned int words = 0;
609 options += strspn(options, " \t");
612 options += strcspn(options, " \t");
613 options += strspn(options, " \t");
618 static bool check_options(enum ctdb_eventscript_call call, const char *options)
621 /* These all take no arguments. */
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;
637 DEBUG(DEBUG_ERR,(__location__ "Unknown ctdb_eventscript_call %u\n", call));
643 run the event script in the background, calling the callback when
646 static int ctdb_event_script_callback_v(struct ctdb_context *ctdb,
647 void (*callback)(struct ctdb_context *, int, void *),
650 enum ctdb_eventscript_call call,
651 const char *fmt, va_list ap)
653 struct ctdb_event_script_state *state;
656 state = talloc(ctdb->event_script_ctx, struct ctdb_event_script_state);
657 CTDB_NO_MEMORY(ctdb, state);
660 state->callback = callback;
661 state->private_data = private_data;
662 state->from_user = from_user;
664 state->options = talloc_vasprintf(state, fmt, ap);
665 state->timeout = timeval_set(ctdb->tunable.script_timeout, 0);
666 state->scripts = NULL;
667 if (state->options == NULL) {
668 DEBUG(DEBUG_ERR, (__location__ " could not allocate state->options\n"));
672 if (!check_options(state->call, state->options)) {
673 DEBUG(DEBUG_ERR, ("Bad eventscript options '%s' for %s\n",
674 call_names[state->call], state->options));
679 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
680 /* we guarantee that only some specifically allowed event scripts are run
682 const enum ctdb_eventscript_call allowed_calls[] = {
683 CTDB_EVENT_START_RECOVERY, CTDB_EVENT_SHUTDOWN, CTDB_EVENT_RELEASE_IP, CTDB_EVENT_STOPPED };
685 for (i=0;i<ARRAY_SIZE(allowed_calls);i++) {
686 if (call == allowed_calls[i]) break;
688 if (i == ARRAY_SIZE(allowed_calls)) {
689 DEBUG(DEBUG_ERR,("Refusing to run event scripts call '%s' while in recovery\n",
696 /* Kill off any running monitor events to run this event. */
697 talloc_free(ctdb->current_monitor);
698 ctdb->current_monitor = NULL;
700 if (!from_user && (call == CTDB_EVENT_MONITOR || call == CTDB_EVENT_STATUS)) {
701 ctdb->current_monitor = state;
704 DEBUG(DEBUG_INFO,(__location__ " Starting eventscript %s %s\n",
705 call_names[state->call], state->options));
707 state->scripts = ctdb_get_script_list(ctdb, state);
708 if (state->scripts == NULL) {
715 if (state->scripts->num_scripts == 0) {
716 if (!state->from_user && state->call == CTDB_EVENT_MONITOR) {
717 ctdb_control_event_script_finished(ctdb);
719 ctdb->event_script_timeouts = 0;
724 ret = fork_child_for_script(ctdb, state);
730 talloc_set_destructor(state, event_script_destructor);
731 if (!timeval_is_zero(&state->timeout)) {
732 event_add_timed(ctdb->ev, state, timeval_current_ofs(state->timeout.tv_sec, state->timeout.tv_usec), ctdb_event_script_timeout, state);
734 DEBUG(DEBUG_ERR, (__location__ " eventscript %s %s called with no timeout\n",
735 call_names[state->call], state->options));
743 run the event script in the background, calling the callback when
746 int ctdb_event_script_callback(struct ctdb_context *ctdb,
748 void (*callback)(struct ctdb_context *, int, void *),
751 enum ctdb_eventscript_call call,
752 const char *fmt, ...)
758 ret = ctdb_event_script_callback_v(ctdb, callback, private_data, from_user, call, fmt, ap);
765 struct callback_status {
771 called when ctdb_event_script() finishes
773 static void event_script_callback(struct ctdb_context *ctdb, int status, void *private_data)
775 struct callback_status *s = (struct callback_status *)private_data;
781 run the event script, waiting for it to complete. Used when the caller
782 doesn't want to continue till the event script has finished.
784 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
785 const char *fmt, ...)
789 struct callback_status status;
792 ret = ctdb_event_script_callback_v(ctdb,
793 event_script_callback, &status, false, call, fmt, ap);
802 while (status.done == false && event_loop_once(ctdb->ev) == 0) /* noop */;
804 if (status.status == -ETIME) {
805 DEBUG(DEBUG_ERR, (__location__ " eventscript for '%s' timedout."
806 " Immediately banning ourself for %d seconds\n",
808 ctdb->tunable.recovery_ban_period));
812 return status.status;
815 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call)
817 /* GCC complains about empty format string, so use %s and "". */
818 return ctdb_event_script_args(ctdb, call, "%s", "");
821 struct eventscript_callback_state {
822 struct ctdb_req_control *c;
826 called when a forced eventscript run has finished
828 static void run_eventscripts_callback(struct ctdb_context *ctdb, int status,
831 struct eventscript_callback_state *state =
832 talloc_get_type(private_data, struct eventscript_callback_state);
834 ctdb_enable_monitoring(ctdb);
837 DEBUG(DEBUG_ERR,(__location__ " Failed to forcibly run eventscripts\n"));
840 ctdb_request_control_reply(ctdb, state->c, NULL, status, NULL);
841 /* This will free the struct ctdb_event_script_state we are in! */
847 /* Returns rest of string, or NULL if no match. */
848 static const char *get_call(const char *p, enum ctdb_eventscript_call *call)
852 /* Skip any initial whitespace. */
853 p += strspn(p, " \t");
855 /* See if we match any. */
856 for (*call = 0; *call < ARRAY_SIZE(call_names); (*call)++) {
857 len = strlen(call_names[*call]);
858 if (strncmp(p, call_names[*call], len) == 0) {
859 /* If end of string or whitespace, we're done. */
860 if (strcspn(p + len, " \t") == 0) {
869 A control to force running of the eventscripts from the ctdb client tool
871 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb,
872 struct ctdb_req_control *c,
873 TDB_DATA indata, bool *async_reply)
876 struct eventscript_callback_state *state;
878 enum ctdb_eventscript_call call;
880 /* Figure out what call they want. */
881 options = get_call((const char *)indata.dptr, &call);
883 DEBUG(DEBUG_ERR, (__location__ " Invalid forced \"%s\"\n", (const char *)indata.dptr));
887 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
888 DEBUG(DEBUG_ERR, (__location__ " Aborted running eventscript \"%s\" while in RECOVERY mode\n", indata.dptr));
892 state = talloc(ctdb->event_script_ctx, struct eventscript_callback_state);
893 CTDB_NO_MEMORY(ctdb, state);
895 state->c = talloc_steal(state, c);
897 DEBUG(DEBUG_NOTICE,("Forced running of eventscripts with arguments %s\n", indata.dptr));
899 ctdb_disable_monitoring(ctdb);
901 ret = ctdb_event_script_callback(ctdb,
902 state, run_eventscripts_callback, state,
903 true, call, "%s", options);
906 ctdb_enable_monitoring(ctdb);
907 DEBUG(DEBUG_ERR,(__location__ " Failed to run eventscripts with arguments %s\n", indata.dptr));
912 /* tell ctdb_control.c that we will be replying asynchronously */
920 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata)
925 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
927 script = (char *)indata.dptr;
928 if (indata.dsize == 0) {
929 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
930 talloc_free(tmp_ctx);
933 if (indata.dptr[indata.dsize - 1] != '\0') {
934 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
935 talloc_free(tmp_ctx);
938 if (index(script,'/') != NULL) {
939 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to enable script %s\n", script));
940 talloc_free(tmp_ctx);
945 if (stat(ctdb->event_script_dir, &st) != 0 &&
947 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
948 talloc_free(tmp_ctx);
953 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
954 if (filename == NULL) {
955 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
956 talloc_free(tmp_ctx);
960 if (stat(filename, &st) != 0) {
961 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to enable script.\n", filename));
962 talloc_free(tmp_ctx);
966 if (chmod(filename, st.st_mode | S_IXUSR) == -1) {
967 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to enable script.\n", filename));
968 talloc_free(tmp_ctx);
972 talloc_free(tmp_ctx);
976 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata)
981 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
983 script = (char *)indata.dptr;
984 if (indata.dsize == 0) {
985 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
986 talloc_free(tmp_ctx);
989 if (indata.dptr[indata.dsize - 1] != '\0') {
990 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
991 talloc_free(tmp_ctx);
994 if (index(script,'/') != NULL) {
995 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to disable script %s\n", script));
996 talloc_free(tmp_ctx);
1001 if (stat(ctdb->event_script_dir, &st) != 0 &&
1003 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
1004 talloc_free(tmp_ctx);
1009 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
1010 if (filename == NULL) {
1011 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
1012 talloc_free(tmp_ctx);
1016 if (stat(filename, &st) != 0) {
1017 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to disable script.\n", filename));
1018 talloc_free(tmp_ctx);
1022 if (chmod(filename, st.st_mode & ~(S_IXUSR|S_IXGRP|S_IXOTH)) == -1) {
1023 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to disable script.\n", filename));
1024 talloc_free(tmp_ctx);
1028 talloc_free(tmp_ctx);