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/>.
21 #include "system/filesys.h"
22 #include "system/network.h"
23 #include "system/wait.h"
24 #include "system/dir.h"
25 #include "system/locale.h"
26 #include "system/time.h"
31 #include "lib/util/dlinklist.h"
32 #include "lib/util/debug.h"
33 #include "lib/util/samba_util.h"
35 #include "ctdb_private.h"
37 #include "common/rb_tree.h"
38 #include "common/system.h"
39 #include "common/common.h"
40 #include "common/logging.h"
43 static void ctdb_event_script_timeout(struct tevent_context *ev,
44 struct tevent_timer *te,
45 struct timeval t, void *p);
47 /* This is attached to the event script state. */
48 struct event_script_callback {
49 struct event_script_callback *next, *prev;
50 struct ctdb_context *ctdb;
52 /* Warning: this can free us! */
53 void (*fn)(struct ctdb_context *, int, void *);
57 struct ctdb_event_script_state {
58 struct ctdb_context *ctdb;
59 struct event_script_callback *callback;
64 struct timeval timeout;
67 struct ctdb_script_list_old *scripts;
70 static struct ctdb_script *get_current_script(struct ctdb_event_script_state *state)
72 return &state->scripts->scripts[state->current];
75 /* called from ctdb_logging when we have received output on STDERR from
76 * one of the eventscripts
78 static void log_event_script_output(const char *str, uint16_t len, void *p)
80 struct ctdb_event_script_state *state
81 = talloc_get_type(p, struct ctdb_event_script_state);
82 struct ctdb_script *current;
83 unsigned int slen, min;
85 /* We may have been aborted to run something else. Discard */
86 if (state->scripts == NULL) {
90 current = get_current_script(state);
92 /* Append, but don't overfill buffer. It starts zero-filled. */
93 slen = strlen(current->output);
94 min = MIN(len, sizeof(current->output) - slen - 1);
96 memcpy(current->output + slen, str, min);
99 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
103 if (call_type >= CTDB_EVENT_MAX) {
107 if (ctdb->last_status[call_type] == NULL) {
108 /* If it's never been run, return nothing so they can tell. */
111 outdata->dsize = talloc_get_size(ctdb->last_status[call_type]);
112 outdata->dptr = (uint8_t *)ctdb->last_status[call_type];
117 /* To ignore directory entry return 0, else return non-zero */
118 static int script_filter(const struct dirent *de)
120 int namelen = strlen(de->d_name);
122 /* Ignore . and .. */
127 /* Skip temporary files left behind by emacs */
128 if (de->d_name[namelen-1] == '~') {
132 /* Filename should start with [0-9][0-9]. */
133 if (!isdigit(de->d_name[0]) || !isdigit(de->d_name[1]) ||
134 de->d_name[2] != '.') {
138 if (namelen > MAX_SCRIPT_NAME) {
145 /* Return true if OK, otherwise set errno. */
146 static bool check_executable(const char *dir, const char *name)
151 full = talloc_asprintf(NULL, "%s/%s", dir, name);
155 if (stat(full, &st) != 0) {
156 DEBUG(DEBUG_ERR,("Could not stat event script %s: %s\n",
157 full, strerror(errno)));
162 if (!(st.st_mode & S_IXUSR)) {
163 DEBUG(DEBUG_DEBUG,("Event script %s is not executable. Ignoring this event script\n", full));
173 static struct ctdb_script_list_old *ctdb_get_script_list(
174 struct ctdb_context *ctdb,
177 struct dirent **namelist;
178 struct ctdb_script_list_old *scripts;
181 /* scan all directory entries and insert all valid scripts into the
184 count = scandir(ctdb->event_script_dir, &namelist, script_filter, alphasort);
186 DEBUG(DEBUG_CRIT, ("Failed to read event script directory '%s' - %s\n",
187 ctdb->event_script_dir, strerror(errno)));
191 /* Overallocates by one, but that's OK */
192 scripts = talloc_zero_size(mem_ctx,
194 + sizeof(scripts->scripts[0]) * count);
195 if (scripts == NULL) {
196 DEBUG(DEBUG_ERR, (__location__ " Failed to allocate scripts\n"));
199 scripts->num_scripts = count;
201 for (i = 0; i < count; i++) {
202 struct ctdb_script *s = &scripts->scripts[i];
204 if (strlcpy(s->name, namelist[i]->d_name, sizeof(s->name)) >=
206 s->status = -ENAMETOOLONG;
211 if (!check_executable(ctdb->event_script_dir,
212 namelist[i]->d_name)) {
218 for (i=0; i<count; i++) {
226 /* There cannot be more than 10 arguments to command helper. */
227 #define MAX_HELPER_ARGS (10)
229 static bool child_helper_args(TALLOC_CTX *mem_ctx, struct ctdb_context *ctdb,
230 enum ctdb_event call,
232 struct ctdb_script *current, int fd,
233 int *argc, const char ***argv)
237 char *t, *saveptr, *opt;
239 tmp = talloc_array(mem_ctx, const char *, 10+1);
240 if (tmp == NULL) goto failed;
242 tmp[0] = talloc_asprintf(tmp, "%d", fd);
243 tmp[1] = talloc_asprintf(tmp, "%s/%s", ctdb->event_script_dir, current->name);
244 tmp[2] = talloc_asprintf(tmp, "%s", ctdb_eventscript_call_names[call]);
247 /* Split options into individual arguments */
248 opt = talloc_strdup(mem_ctx, options);
253 t = strtok_r(opt, " ", &saveptr);
255 tmp[n++] = talloc_strdup(tmp, t);
256 if (n > MAX_HELPER_ARGS) {
259 t = strtok_r(NULL, " ", &saveptr);
262 for (i=0; i<n; i++) {
263 if (tmp[i] == NULL) {
268 /* Last argument should be NULL */
277 DEBUG(DEBUG_ERR, (__location__ " too many arguments '%s' to eventscript '%s'\n",
278 options, ctdb_eventscript_call_names[call]));
288 static void ctdb_event_script_handler(struct tevent_context *ev,
289 struct tevent_fd *fde,
290 uint16_t flags, void *p);
292 static char helper_prog[PATH_MAX+1] = "";
294 static int fork_child_for_script(struct ctdb_context *ctdb,
295 struct ctdb_event_script_state *state)
298 struct tevent_fd *fde;
299 struct ctdb_script *current = get_current_script(state);
303 if (!ctdb_set_helper("event helper", helper_prog, sizeof(helper_prog),
305 CTDB_HELPER_BINDIR, "ctdb_event_helper")) {
306 ctdb_die(ctdb, __location__
307 " Unable to set event helper\n");
310 current->start = timeval_current();
314 DEBUG(DEBUG_ERR, (__location__ " pipe failed for child eventscript process\n"));
318 /* Arguments for helper */
319 if (!child_helper_args(state, ctdb, state->call, state->options, current,
320 state->fd[1], &argc, &argv)) {
321 DEBUG(DEBUG_ERR, (__location__ " failed to create arguments for eventscript helper\n"));
328 if (!ctdb_vfork_with_logging(state, ctdb, current->name,
329 helper_prog, argc, argv,
330 log_event_script_output,
331 state, &state->child)) {
342 set_close_on_exec(state->fd[0]);
344 /* Set ourselves up to be called when that's done. */
345 fde = tevent_add_fd(ctdb->ev, state, state->fd[0], TEVENT_FD_READ,
346 ctdb_event_script_handler, state);
347 tevent_fd_set_auto_close(fde);
353 Summarize status of this run of scripts.
355 static int script_status(struct ctdb_script_list_old *scripts)
359 for (i = 0; i < scripts->num_scripts; i++) {
360 switch (scripts->scripts[i].status) {
364 /* Disabled or missing; that's OK. */
370 return scripts->scripts[i].status;
378 /* called when child is finished */
379 static void ctdb_event_script_handler(struct tevent_context *ev,
380 struct tevent_fd *fde,
381 uint16_t flags, void *p)
383 struct ctdb_event_script_state *state =
384 talloc_get_type(p, struct ctdb_event_script_state);
385 struct ctdb_script *current = get_current_script(state);
386 struct ctdb_context *ctdb = state->ctdb;
390 DEBUG(DEBUG_ERR,("Eventscript finished but ctdb is NULL\n"));
394 r = sys_read(state->fd[0], ¤t->status, sizeof(current->status));
396 current->status = -errno;
398 current->status = -EINTR;
399 } else if (r != sizeof(current->status)) {
400 current->status = -EIO;
403 current->finished = timeval_current();
404 /* valgrind gets overloaded if we run next script as it's still doing
405 * post-execution analysis, so kill finished child here. */
406 if (ctdb->valgrinding) {
407 ctdb_kill(ctdb, state->child, SIGKILL);
412 status = script_status(state->scripts);
414 /* Aborted or finished all scripts? We're done. */
415 if (status != 0 || state->current+1 == state->scripts->num_scripts) {
418 ("Eventscript %s %s finished with state %d\n",
419 ctdb_eventscript_call_names[state->call],
420 state->options, status));
427 /* Forget about that old fd. */
433 current->status = fork_child_for_script(ctdb, state);
434 if (current->status != 0) {
435 /* This calls the callback. */
440 struct debug_hung_script_state {
441 struct ctdb_context *ctdb;
443 enum ctdb_event call;
446 static int debug_hung_script_state_destructor(struct debug_hung_script_state *state)
449 ctdb_kill(state->ctdb, state->child, SIGKILL);
454 static void debug_hung_script_timeout(struct tevent_context *ev, struct tevent_timer *te,
455 struct timeval t, void *p)
457 struct debug_hung_script_state *state =
458 talloc_get_type(p, struct debug_hung_script_state);
463 static void debug_hung_script_done(struct tevent_context *ev, struct tevent_fd *fde,
464 uint16_t flags, void *p)
466 struct debug_hung_script_state *state =
467 talloc_get_type(p, struct debug_hung_script_state);
472 static void ctdb_run_debug_hung_script(struct ctdb_context *ctdb, struct debug_hung_script_state *state)
475 const char * debug_hung_script = CTDB_ETCDIR "/debug-hung-script.sh";
477 struct tevent_timer *ttimer;
478 struct tevent_fd *tfd;
483 DEBUG(DEBUG_ERR,("Failed to create pipe fd for debug hung script\n"));
487 if (getenv("CTDB_DEBUG_HUNG_SCRIPT") != NULL) {
488 debug_hung_script = getenv("CTDB_DEBUG_HUNG_SCRIPT");
491 argv = talloc_array(state, const char *, 5);
493 argv[0] = talloc_asprintf(argv, "%d", fd[1]);
494 argv[1] = talloc_strdup(argv, debug_hung_script);
495 argv[2] = talloc_asprintf(argv, "%d", state->child);
496 argv[3] = talloc_strdup(argv, ctdb_eventscript_call_names[state->call]);
499 for (i=0; i<4; i++) {
500 if (argv[i] == NULL) {
509 if (!ctdb_vfork_with_logging(state, ctdb, "Hung-script",
510 helper_prog, 5, argv, NULL, NULL, &pid)) {
511 DEBUG(DEBUG_ERR,("Failed to fork a child to track hung event script\n"));
521 ttimer = tevent_add_timer(ctdb->ev, state,
522 timeval_current_ofs(ctdb->tunable.script_timeout, 0),
523 debug_hung_script_timeout, state);
524 if (ttimer == NULL) {
529 tfd = tevent_add_fd(ctdb->ev, state, fd[0], TEVENT_FD_READ,
530 debug_hung_script_done, state);
536 tevent_fd_set_auto_close(tfd);
539 /* called when child times out */
540 static void ctdb_event_script_timeout(struct tevent_context *ev,
541 struct tevent_timer *te,
542 struct timeval t, void *p)
544 struct ctdb_event_script_state *state = talloc_get_type(p, struct ctdb_event_script_state);
545 struct ctdb_context *ctdb = state->ctdb;
546 struct ctdb_script *current = get_current_script(state);
547 struct debug_hung_script_state *debug_state;
549 DEBUG(DEBUG_ERR,("Event script '%s %s %s' timed out after %.1fs, pid: %d\n",
550 current->name, ctdb_eventscript_call_names[state->call], state->options,
551 timeval_elapsed(¤t->start),
554 /* ignore timeouts for these events */
555 switch (state->call) {
556 case CTDB_EVENT_START_RECOVERY:
557 case CTDB_EVENT_RECOVERED:
558 case CTDB_EVENT_TAKE_IP:
559 case CTDB_EVENT_RELEASE_IP:
560 state->scripts->scripts[state->current].status = 0;
561 DEBUG(DEBUG_ERR,("Ignoring hung script for %s call %d\n", state->options, state->call));
564 state->scripts->scripts[state->current].status = -ETIME;
567 debug_state = talloc_zero(ctdb, struct debug_hung_script_state);
568 if (debug_state == NULL) {
573 /* Save information useful for running debug hung script, so
574 * eventscript state can be freed.
576 debug_state->ctdb = ctdb;
577 debug_state->child = state->child;
578 debug_state->call = state->call;
580 /* This destructor will actually kill the hung event script */
581 talloc_set_destructor(debug_state, debug_hung_script_state_destructor);
586 ctdb_run_debug_hung_script(ctdb, debug_state);
590 destroy an event script: kill it if ->child != 0.
592 static int event_script_destructor(struct ctdb_event_script_state *state)
595 struct event_script_callback *callback;
598 DEBUG(DEBUG_ERR,(__location__ " Sending SIGTERM to child pid:%d\n", state->child));
600 if (ctdb_kill(state->ctdb, state->child, SIGTERM) != 0) {
601 DEBUG(DEBUG_ERR,("Failed to kill child process for eventscript, errno %s(%d)\n", strerror(errno), errno));
605 /* If we were the current monitor, we no longer are. */
606 if (state->ctdb->current_monitor == state) {
607 state->ctdb->current_monitor = NULL;
610 /* Save our scripts as the last executed status, if we have them.
611 * See ctdb_event_script_callback_v where we abort monitor event. */
612 if (state->scripts) {
613 talloc_free(state->ctdb->last_status[state->call]);
614 state->ctdb->last_status[state->call] = state->scripts;
615 if (state->current < state->ctdb->last_status[state->call]->num_scripts) {
616 state->ctdb->last_status[state->call]->num_scripts = state->current+1;
620 /* Use last status as result, or "OK" if none. */
621 if (state->ctdb->last_status[state->call]) {
622 status = script_status(state->ctdb->last_status[state->call]);
627 state->ctdb->active_events--;
628 if (state->ctdb->active_events < 0) {
629 ctdb_fatal(state->ctdb, "Active events < 0");
632 /* This is allowed to free us; talloc will prevent double free anyway,
633 * but beware if you call this outside the destructor!
634 * the callback hangs off a different context so we walk the list
635 * of "active" callbacks until we find the one state points to.
636 * if we cant find it it means the callback has been removed.
638 for (callback = state->ctdb->script_callbacks; callback != NULL; callback = callback->next) {
639 if (callback == state->callback) {
644 state->callback = NULL;
647 /* Make sure destructor doesn't free itself! */
648 talloc_steal(NULL, callback);
649 callback->fn(state->ctdb, status, callback->private_data);
650 talloc_free(callback);
656 static unsigned int count_words(const char *options)
658 unsigned int words = 0;
660 options += strspn(options, " \t");
663 options += strcspn(options, " \t");
664 options += strspn(options, " \t");
669 static bool check_options(enum ctdb_event call, const char *options)
672 /* These all take no arguments. */
673 case CTDB_EVENT_INIT:
674 case CTDB_EVENT_SETUP:
675 case CTDB_EVENT_STARTUP:
676 case CTDB_EVENT_START_RECOVERY:
677 case CTDB_EVENT_RECOVERED:
678 case CTDB_EVENT_MONITOR:
679 case CTDB_EVENT_SHUTDOWN:
680 case CTDB_EVENT_IPREALLOCATED:
681 return count_words(options) == 0;
683 case CTDB_EVENT_TAKE_IP: /* interface, IP address, netmask bits. */
684 case CTDB_EVENT_RELEASE_IP:
685 return count_words(options) == 3;
687 case CTDB_EVENT_UPDATE_IP: /* old interface, new interface, IP address, netmask bits. */
688 return count_words(options) == 4;
691 DEBUG(DEBUG_ERR,(__location__ "Unknown ctdb_event %u\n", call));
696 static int remove_callback(struct event_script_callback *callback)
698 DLIST_REMOVE(callback->ctdb->script_callbacks, callback);
703 run the event script in the background, calling the callback when
706 static int ctdb_event_script_callback_v(struct ctdb_context *ctdb,
708 void (*callback)(struct ctdb_context *, int, void *),
710 enum ctdb_event call,
711 const char *fmt, va_list ap)
713 struct ctdb_event_script_state *state;
715 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
716 /* we guarantee that only some specifically allowed event scripts are run
718 const enum ctdb_event allowed_calls[] = {
721 CTDB_EVENT_START_RECOVERY,
723 CTDB_EVENT_RELEASE_IP,
724 CTDB_EVENT_IPREALLOCATED,
727 for (i=0;i<ARRAY_SIZE(allowed_calls);i++) {
728 if (call == allowed_calls[i]) break;
730 if (i == ARRAY_SIZE(allowed_calls)) {
731 DEBUG(DEBUG_ERR,("Refusing to run event scripts call '%s' while in recovery\n",
732 ctdb_eventscript_call_names[call]));
737 /* Do not run new monitor events if some event is already
738 * running, unless the running event is a monitor event, in
739 * which case running a new one should cancel the old one. */
740 if (call == CTDB_EVENT_MONITOR &&
741 ctdb->active_events > 0 &&
742 ctdb->current_monitor == NULL) {
743 if (callback != NULL) {
744 callback(ctdb, -ECANCELED, private_data);
749 /* Kill off any running monitor events to run this event. */
750 if (ctdb->current_monitor) {
751 struct ctdb_event_script_state *ms = talloc_get_type(ctdb->current_monitor, struct ctdb_event_script_state);
753 /* Cancel current monitor callback state only if monitoring
754 * context ctdb->monitor->monitor_context has not been freed */
755 if (ms->callback != NULL && !ctdb_stopped_monitoring(ctdb)) {
756 ms->callback->fn(ctdb, -ECANCELED, ms->callback->private_data);
757 talloc_free(ms->callback);
760 /* Discard script status so we don't save to last_status */
761 talloc_free(ctdb->current_monitor->scripts);
762 ctdb->current_monitor->scripts = NULL;
763 talloc_free(ctdb->current_monitor);
764 ctdb->current_monitor = NULL;
767 state = talloc(ctdb->event_script_ctx, struct ctdb_event_script_state);
768 CTDB_NO_MEMORY(ctdb, state);
770 /* The callback isn't done if the context is freed. */
771 state->callback = talloc(mem_ctx, struct event_script_callback);
772 CTDB_NO_MEMORY(ctdb, state->callback);
773 DLIST_ADD(ctdb->script_callbacks, state->callback);
774 talloc_set_destructor(state->callback, remove_callback);
775 state->callback->ctdb = ctdb;
776 state->callback->fn = callback;
777 state->callback->private_data = private_data;
781 state->options = talloc_vasprintf(state, fmt, ap);
782 state->timeout = timeval_set(ctdb->tunable.script_timeout, 0);
783 state->scripts = NULL;
784 if (state->options == NULL) {
785 DEBUG(DEBUG_ERR, (__location__ " could not allocate state->options\n"));
789 if (!check_options(state->call, state->options)) {
790 DEBUG(DEBUG_ERR, ("Bad eventscript options '%s' for '%s'\n",
792 ctdb_eventscript_call_names[state->call]));
797 DEBUG(DEBUG_INFO,(__location__ " Starting eventscript %s %s\n",
798 ctdb_eventscript_call_names[state->call],
801 /* This is not a child of state, since we save it in destructor. */
802 state->scripts = ctdb_get_script_list(ctdb, ctdb);
803 if (state->scripts == NULL) {
810 if (call == CTDB_EVENT_MONITOR) {
811 ctdb->current_monitor = state;
814 talloc_set_destructor(state, event_script_destructor);
816 ctdb->active_events++;
819 if (state->scripts->num_scripts == 0) {
820 callback(ctdb, 0, private_data);
825 state->scripts->scripts[0].status = fork_child_for_script(ctdb, state);
826 if (state->scripts->scripts[0].status != 0) {
827 /* Callback is called from destructor, with fail result. */
832 if (!timeval_is_zero(&state->timeout)) {
833 tevent_add_timer(ctdb->ev, state,
834 timeval_current_ofs(state->timeout.tv_sec,
835 state->timeout.tv_usec),
836 ctdb_event_script_timeout, state);
838 DEBUG(DEBUG_ERR, (__location__ " eventscript %s %s called with no timeout\n",
839 ctdb_eventscript_call_names[state->call],
848 run the event script in the background, calling the callback when
849 finished. If mem_ctx is freed, callback will never be called.
851 int ctdb_event_script_callback(struct ctdb_context *ctdb,
853 void (*callback)(struct ctdb_context *, int, void *),
855 enum ctdb_event call,
856 const char *fmt, ...)
862 ret = ctdb_event_script_callback_v(ctdb, mem_ctx, callback, private_data, call, fmt, ap);
869 struct callback_status {
875 called when ctdb_event_script() finishes
877 static void event_script_callback(struct ctdb_context *ctdb, int status, void *private_data)
879 struct callback_status *s = (struct callback_status *)private_data;
885 run the event script, waiting for it to complete. Used when the caller
886 doesn't want to continue till the event script has finished.
888 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_event call,
889 const char *fmt, ...)
893 struct callback_status status = {
899 ret = ctdb_event_script_callback_v(ctdb, ctdb,
900 event_script_callback, &status, call, fmt, ap);
906 while (status.done == false && tevent_loop_once(ctdb->ev) == 0) /* noop */;
908 if (status.status == -ETIME) {
909 DEBUG(DEBUG_ERR, (__location__ " eventscript for '%s' timedout."
910 " Immediately banning ourself for %d seconds\n",
911 ctdb_eventscript_call_names[call],
912 ctdb->tunable.recovery_ban_period));
914 /* Don't ban self if CTDB is starting up or shutting down */
915 if (call != CTDB_EVENT_INIT && call != CTDB_EVENT_SHUTDOWN) {
920 return status.status;
923 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_event call)
925 /* GCC complains about empty format string, so use %s and "". */
926 return ctdb_event_script_args(ctdb, call, "%s", "");
929 struct eventscript_callback_state {
930 struct ctdb_req_control_old *c;
934 called when a forced eventscript run has finished
936 static void run_eventscripts_callback(struct ctdb_context *ctdb, int status,
939 const char *errmsg = NULL;
941 struct eventscript_callback_state *state =
942 talloc_get_type(private_data, struct eventscript_callback_state);
945 if (status == -ECANCELED) {
947 (__location__ " Eventscript cancelled\n"));
948 errmsg = "cancelled";
951 (__location__ " Failed to run eventscripts\n"));
955 ctdb_request_control_reply(ctdb, state->c, NULL, status, errmsg);
956 /* This will free the struct ctdb_event_script_state we are in! */
962 /* Returns rest of string, or NULL if no match. */
963 static const char *get_call(const char *p, enum ctdb_event *call)
967 /* Skip any initial whitespace. */
968 p += strspn(p, " \t");
970 /* See if we match any. */
971 for (*call = 0; *call < CTDB_EVENT_MAX; (*call)++) {
972 len = strlen(ctdb_eventscript_call_names[*call]);
973 if (strncmp(p, ctdb_eventscript_call_names[*call], len) == 0) {
974 /* If end of string or whitespace, we're done. */
975 if (strcspn(p + len, " \t") == 0) {
984 A control to force running of the eventscripts from the ctdb client tool
986 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb,
987 struct ctdb_req_control_old *c,
988 TDB_DATA indata, bool *async_reply)
991 struct eventscript_callback_state *state;
993 enum ctdb_event call;
995 /* Figure out what call they want. */
996 options = get_call((const char *)indata.dptr, &call);
998 DEBUG(DEBUG_ERR, (__location__ " Invalid event name \"%s\"\n", (const char *)indata.dptr));
1002 if (ctdb->recovery_mode != CTDB_RECOVERY_NORMAL) {
1003 DEBUG(DEBUG_ERR, (__location__ " Aborted running eventscript \"%s\" while in RECOVERY mode\n", indata.dptr));
1007 state = talloc(ctdb->event_script_ctx, struct eventscript_callback_state);
1008 CTDB_NO_MEMORY(ctdb, state);
1010 state->c = talloc_steal(state, c);
1012 DEBUG(DEBUG_NOTICE,("Running eventscripts with arguments %s\n", indata.dptr));
1014 ret = ctdb_event_script_callback(ctdb,
1015 ctdb, run_eventscripts_callback, state,
1016 call, "%s", options);
1019 DEBUG(DEBUG_ERR,(__location__ " Failed to run eventscripts with arguments %s\n", indata.dptr));
1024 /* tell ctdb_control.c that we will be replying asynchronously */
1025 *async_reply = true;
1032 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata)
1037 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1039 script = (char *)indata.dptr;
1040 if (indata.dsize == 0) {
1041 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
1042 talloc_free(tmp_ctx);
1045 if (indata.dptr[indata.dsize - 1] != '\0') {
1046 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
1047 talloc_free(tmp_ctx);
1050 if (index(script,'/') != NULL) {
1051 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to enable script %s\n", script));
1052 talloc_free(tmp_ctx);
1057 if (stat(ctdb->event_script_dir, &st) != 0 &&
1059 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
1060 talloc_free(tmp_ctx);
1065 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
1066 if (filename == NULL) {
1067 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
1068 talloc_free(tmp_ctx);
1072 if (stat(filename, &st) != 0) {
1073 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to enable script.\n", filename));
1074 talloc_free(tmp_ctx);
1078 if (chmod(filename, st.st_mode | S_IXUSR) == -1) {
1079 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to enable script.\n", filename));
1080 talloc_free(tmp_ctx);
1084 talloc_free(tmp_ctx);
1088 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata)
1093 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1095 script = (char *)indata.dptr;
1096 if (indata.dsize == 0) {
1097 DEBUG(DEBUG_ERR,(__location__ " No script specified.\n"));
1098 talloc_free(tmp_ctx);
1101 if (indata.dptr[indata.dsize - 1] != '\0') {
1102 DEBUG(DEBUG_ERR,(__location__ " String is not null terminated.\n"));
1103 talloc_free(tmp_ctx);
1106 if (index(script,'/') != NULL) {
1107 DEBUG(DEBUG_ERR,(__location__ " Script name contains '/'. Failed to disable script %s\n", script));
1108 talloc_free(tmp_ctx);
1113 if (stat(ctdb->event_script_dir, &st) != 0 &&
1115 DEBUG(DEBUG_CRIT,("No event script directory found at '%s'\n", ctdb->event_script_dir));
1116 talloc_free(tmp_ctx);
1121 filename = talloc_asprintf(tmp_ctx, "%s/%s", ctdb->event_script_dir, script);
1122 if (filename == NULL) {
1123 DEBUG(DEBUG_ERR,(__location__ " Failed to create script path\n"));
1124 talloc_free(tmp_ctx);
1128 if (stat(filename, &st) != 0) {
1129 DEBUG(DEBUG_ERR,("Could not stat event script %s. Failed to disable script.\n", filename));
1130 talloc_free(tmp_ctx);
1134 if (chmod(filename, st.st_mode & ~(S_IXUSR|S_IXGRP|S_IXOTH)) == -1) {
1135 DEBUG(DEBUG_ERR,("Could not chmod %s. Failed to disable script.\n", filename));
1136 talloc_free(tmp_ctx);
1140 talloc_free(tmp_ctx);