Bug Summary

File:fe-common/core/fe-exec.c
Location:line 470, column 4
Description:Dereference of null pointer.

Annotated Source Code

1/*
2 fe-exec.c : irssi
3
4 Copyright (C) 2000-2001 Timo Sirainen
5
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 2 of the License, or
9 (at your option) any later version.
10
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.
15
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19*/
20
21#include "module.h"
22#include "modules.h"
23#include "signals.h"
24#include "commands.h"
25#include "pidwait.h"
26#include "line-split.h"
27#include "network.h"
28#include "net-sendbuffer.h"
29#include "misc.h"
30#include "levels.h"
31
32#include "servers.h"
33#include "channels.h"
34#include "queries.h"
35
36#include "printtext.h"
37#include "fe-exec.h"
38#include "fe-windows.h"
39#include "window-items.h"
40
41#include <signal.h>
42#include <sys/wait.h>
43
44GSList *processes;
45static int signal_exec_input;
46
47static void exec_wi_destroy(EXEC_WI_REC *rec)
48{
49 g_return_if_fail(rec != NULL)do{ if (rec != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "rec != NULL"); return; }
; }while (0);
50
51 if (rec->destroying) return;
52 rec->destroying = TRUE(!(0));
53
54 rec->process->target_item = NULL((void *)0);
55 if (window_item_window((WI_ITEM_REC *) rec)((WINDOW_REC *) ((WI_ITEM_REC *) ((WI_ITEM_REC *) rec))->window
) != NULL((void *)0))
56 window_item_destroy((WI_ITEM_REC *) rec);
57
58 MODULE_DATA_DEINIT(rec)g_hash_table_destroy((rec)->module_data);
59 g_free(rec->visible_name);
60 g_free(rec);
61}
62
63static const char *exec_get_target(WI_ITEM_REC *item)
64{
65 return ((EXEC_WI_REC *) item)->visible_name;
66}
67
68static EXEC_WI_REC *exec_wi_create(WINDOW_REC *window, PROCESS_REC *rec)
69{
70 EXEC_WI_REC *item;
71
72 g_return_val_if_fail(window != NULL, NULL)do{ if (window != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "window != NULL"); return
(((void *)0)); }; }while (0);
73 g_return_val_if_fail(rec != NULL, NULL)do{ if (rec != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "rec != NULL"); return (
((void *)0)); }; }while (0);
74
75 item = g_new0(EXEC_WI_REC, 1)((EXEC_WI_REC *) g_malloc0 (((gsize) sizeof (EXEC_WI_REC)) * (
(gsize) (1))));
76 item->type = module_get_uniq_id_str("WINDOW ITEM TYPE", "EXEC");
77 item->destroy = (void (*) (WI_ITEM_REC *)) exec_wi_destroy;
78 item->get_target = exec_get_target;
79 item->visible_name = rec->name != NULL((void *)0) ? g_strdup(rec->name) :
80 g_strdup_printf("%%%d", rec->id);
81
82 item->createtime = time(NULL((void *)0));
83 item->process = rec;
84
85 MODULE_DATA_INIT(item)(item)->module_data = g_hash_table_new(g_str_hash, g_str_equal
);
86 window_item_add(window, (WI_ITEM_REC *) item, FALSE(0));
87 return item;
88}
89
90static int process_get_new_id(void)
91{
92 PROCESS_REC *rec;
93 GSList *tmp;
94 int id;
95
96 id = 0;
97 tmp = processes;
98 while (tmp != NULL((void *)0)) {
99 rec = tmp->data;
100
101 if (id != rec->id) {
102 tmp = tmp->next;
103 continue;
104 }
105
106 id++;
107 tmp = processes;
108 }
109
110 return id;
111}
112
113static PROCESS_REC *process_find_pid(int pid)
114{
115 GSList *tmp;
116
117 g_return_val_if_fail(pid > 0, NULL)do{ if (pid > 0) { } else { g_return_if_fail_warning (((gchar
*) 0), __PRETTY_FUNCTION__, "pid > 0"); return (((void *)0
)); }; }while (0);
118
119 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
120 PROCESS_REC *rec = tmp->data;
121
122 if (rec->pid == pid)
123 return rec;
124 }
125
126 return NULL((void *)0);
127}
128
129static PROCESS_REC *process_find_id(int id, int verbose)
130{
131 GSList *tmp;
132
133 g_return_val_if_fail(id != -1, NULL)do{ if (id != -1) { } else { g_return_if_fail_warning (((gchar
*) 0), __PRETTY_FUNCTION__, "id != -1"); return (((void *)0))
; }; }while (0);
134
135 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
136 PROCESS_REC *rec = tmp->data;
137
138 if (rec->id == id)
139 return rec;
140 }
141
142 if (verbose) {
143 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTERROR,
144 "Unknown process id: %d", id);
145 }
146
147 return NULL((void *)0);
148}
149
150static PROCESS_REC *process_find(const char *name, int verbose)
151{
152 GSList *tmp;
153
154 g_return_val_if_fail(name != NULL, NULL)do{ if (name != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "name != NULL"); return (
((void *)0)); }; }while (0);
155
156 if (*name == '%' && is_numeric(name+1, 0))
157 return process_find_id(atoi(name+1), verbose);
158
159 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
160 PROCESS_REC *rec = tmp->data;
161
162 if (rec->name != NULL((void *)0) && strcmp(rec->name, name) == 0)
163 return rec;
164 }
165
166 if (verbose) {
167 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTERROR,
168 "Unknown process name: %s", name);
169 }
170
171 return NULL((void *)0);
172}
173
174static void process_destroy(PROCESS_REC *rec, int status)
175{
176 processes = g_slist_remove(processes, rec);
177
178 signal_emit("exec remove", 2, rec, GINT_TO_POINTER(status)((gpointer) (status)));
179
180 if (rec->read_tag != -1)
181 g_source_remove(rec->read_tag);
182 if (rec->target_item != NULL((void *)0))
183 exec_wi_destroy(rec->target_item);
184
185 line_split_free(rec->databuf);
186 g_io_channel_close(rec->in);
187 g_io_channel_unref(rec->in);
188 net_sendbuffer_destroy(rec->out, TRUE(!(0)));
189
190 g_free_not_null(rec->name)g_free(rec->name);
191 g_free_not_null(rec->target)g_free(rec->target);
192 g_free_not_null(rec->target_server)g_free(rec->target_server);
193 g_free(rec->args);
194 g_free(rec);
195}
196
197static void processes_killall(int signum)
198{
199 GSList *tmp;
200
201 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
202 PROCESS_REC *rec = tmp->data;
203
204 kill(rec->pid, signum);
205 }
206}
207
208static int signal_name_to_id(const char *name)
209{
210 /* check only the few most common signals, too much job to check
211 them all. if we sometimes want more, procps-sources/proc/sig.c
212 would be useful for copypasting */
213 if (g_ascii_strcasecmp(name, "hup") == 0)
214 return SIGHUP1;
215 if (g_ascii_strcasecmp(name, "int") == 0)
216 return SIGINT2;
217 if (g_ascii_strcasecmp(name, "term") == 0)
218 return SIGTERM15;
219 if (g_ascii_strcasecmp(name, "kill") == 0)
220 return SIGKILL9;
221 if (g_ascii_strcasecmp(name, "usr1") == 0)
222 return SIGUSR130;
223 if (g_ascii_strcasecmp(name, "usr2") == 0)
224 return SIGUSR231;
225 return -1;
226}
227
228/* `optlist' should contain only one unknown key - the server tag.
229 returns NULL if there was unknown -option */
230static int cmd_options_get_signal(const char *cmd,
231 GHashTable *optlist)
232{
233 GSList *list, *tmp, *next;
234 char *signame;
235 int signum;
236
237 /* get all the options, then remove the known ones. there should
238 be only one left - the signal */
239 list = hashtable_get_keys(optlist);
240 if (cmd != NULL((void *)0)) {
241 for (tmp = list; tmp != NULL((void *)0); tmp = next) {
242 char *option = tmp->data;
243 next = tmp->next;
244
245 if (command_have_option(cmd, option))
246 list = g_slist_remove(list, option);
247 }
248 }
249
250 if (list == NULL((void *)0))
251 return -1;
252
253 signame = list->data;
254 signum = -1;
255
256 signum = is_numeric(signame, 0) ? atol(signame) :
257 signal_name_to_id(signame);
258
259 if (signum == -1 || list->next != NULL((void *)0)) {
260 /* unknown option (not a signal) */
261 signal_emit("error command", 2,
262 GINT_TO_POINTER(CMDERR_OPTION_UNKNOWN)((gpointer) (CMDERR_OPTION_UNKNOWN)),
263 signum == -1 ? list->data : list->next->data);
264 signal_stop();
265 return -2;
266 }
267
268 g_slist_free(list);
269 return signum;
270}
271
272static void exec_show_list(void)
273{
274 GSList *tmp;
275
276 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
277 PROCESS_REC *rec = tmp->data;
278
279 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTCRAP,
280 "%d (%s): %s", rec->id, rec->name, rec->args);
281 }
282}
283
284static void process_exec(PROCESS_REC *rec, const char *cmd)
285{
286 const char *shell_args[4] = { "/bin/sh", "-c", NULL((void *)0), NULL((void *)0) };
287 char **args;
288 int in[2], out[2];
289 int n;
290
291 if (pipe(in) == -1)
292 return;
293 if (pipe(out) == -1)
294 return;
295
296 shell_args[2] = cmd;
297 rec->pid = fork();
298 if (rec->pid == -1) {
299 /* error */
300 close(in[0]); close(in[1]);
301 close(out[0]); close(out[1]);
302 return;
303 }
304
305 if (rec->pid != 0) {
306 /* parent process */
307 GIOChannel *outio = g_io_channel_unix_new(in[1]);
308
309 rec->in = g_io_channel_unix_new(out[0]);
310 rec->out = net_sendbuffer_create(outio, 0);
311
312 close(out[1]);
313 close(in[0]);
314 pidwait_add(rec->pid);
315 return;
316 }
317
318 /* child process, try to clean up everything */
319 setsid();
320 setuid(getuid());
321 setgid(getgid());
322 signal(SIGINT2, SIG_IGN((__sighandler_t *)1));
323 signal(SIGQUIT3, SIG_DFL((__sighandler_t *)0));
324
325 putenv("TERM=tty");
326
327 /* set stdin, stdout and stderr */
328 dup2(in[0], STDIN_FILENO0);
329 dup2(out[1], STDOUT_FILENO1);
330 dup2(out[1], STDERR_FILENO2);
331
332 /* don't let child see our files */
333 for (n = 3; n < 256; n++)
334 close(n);
335
336 if (rec->shell) {
337 execvp(shell_args[0], (char **) shell_args);
338
339 fprintf(stderr__stderrp, "Exec: /bin/sh: %s\n", g_strerror(errno(* __error())));
340 } else {
341 args = g_strsplit(cmd, " ", -1);
342 execvp(args[0], args);
343
344 fprintf(stderr__stderrp, "Exec: %s: %s\n", args[0], g_strerror(errno(* __error())));
345 }
346
347 _exit(-1);
348}
349
350static void sig_exec_input_reader(PROCESS_REC *rec)
351{
352 char tmpbuf[512], *str;
353 int recvlen;
354 int ret;
355
356 g_return_if_fail(rec != NULL)do{ if (rec != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "rec != NULL"); return; }
; }while (0);
357
358 recvlen = net_receive(rec->in, tmpbuf, sizeof(tmpbuf));
359 do {
360 ret = line_split(tmpbuf, recvlen, &str, &rec->databuf);
361 if (ret == -1) {
362 /* link to terminal closed? */
363 g_source_remove(rec->read_tag);
364 rec->read_tag = -1;
365 break;
366 }
367
368 if (ret > 0) {
369 signal_emit_id(signal_exec_input, 2, rec, str);
370 if (recvlen > 0) recvlen = 0;
371 }
372 } while (ret > 0);
373}
374
375static void handle_exec(const char *args, GHashTable *optlist,
376 SERVER_REC *server, WI_ITEM_REC *item)
377{
378 PROCESS_REC *rec;
379 SERVER_REC *target_server;
380 char *target, *level;
381 int notice, signum, interactive, target_nick, target_channel;
382
383 /* check that there's no unknown options. we allowed them
384 because signals can be used as options, but there should be
385 only one unknown option: the signal name/number. */
386 signum = cmd_options_get_signal("exec", optlist);
387 if (signum == -2)
[1] Taking false branch
388 return;
389
390 if (*args == '\0') {
[2] Taking false branch
391 exec_show_list();
392 return;
393 }
394
395 target = NULL((void *)0);
396 target_server = NULL((void *)0);
397 notice = FALSE(0);
398
399 if (g_hash_table_lookup(optlist, "in") != NULL((void *)0)) {
[3] Taking false branch
400 rec = process_find(g_hash_table_lookup(optlist, "in"), TRUE(!(0)));
401 if (rec != NULL((void *)0)) {
402 net_sendbuffer_send(rec->out, args, strlen(args));
403 net_sendbuffer_send(rec->out, "\n", 1);
404 }
405 return;
406 }
407
408 /* check if args is a process ID or name. if it's ID but not found,
409 complain about it and fail immediately */
410 rec = process_find(args, *args == '%');
411 if (*args == '%' && rec == NULL((void *)0))
[4] Taking false branch
412 return;
413
414 /* common options */
415 target_channel = target_nick = FALSE(0);
416 if (g_hash_table_lookup(optlist, "out") != NULL((void *)0)) {
[5] Taking false branch
417 /* redirect output to active channel/query */
418 if (item == NULL((void *)0))
419 cmd_return_error(CMDERR_NOT_JOINED)do { signal_emit("error command", 1, ((gpointer) (CMDERR_NOT_JOINED
))); signal_stop(); return; } while (0);
420 target = (char *) window_item_get_target(item)((item)->get_target(item));
421 target_server = item->server;
422 target_channel = IS_CHANNEL(item)(((CHANNEL_REC *) module_check_cast_module(item, __builtin_offsetof
(CHANNEL_REC, type), "WINDOW ITEM TYPE", "CHANNEL")) ? (!(0))
: (0));
423 target_nick = IS_QUERY(item)(((QUERY_REC *) module_check_cast_module(item, __builtin_offsetof
(QUERY_REC, type), "WINDOW ITEM TYPE", "QUERY")) ? (!(0)) : (
0));
424 } else if (g_hash_table_lookup(optlist, "msg") != NULL((void *)0)) {
[6] Taking true branch
425 /* redirect output to /msg <nick> */
426 target = g_hash_table_lookup(optlist, "msg");
427 target_server = server;
428 } else if (g_hash_table_lookup(optlist, "notice") != NULL((void *)0)) {
429 target = g_hash_table_lookup(optlist, "notice");
430 target_server = server;
431 notice = TRUE(!(0));
432 }
433
434 /* options that require process ID/name as argument */
435 if (rec == NULL((void *)0) &&
[7] Taking false branch
436 (signum != -1 || g_hash_table_lookup(optlist, "close") != NULL((void *)0))) {
437 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTERROR,
438 "Unknown process name: %s", args);
439 return;
440 }
441 if (g_hash_table_lookup(optlist, "close") != NULL((void *)0)) {
[8] Taking false branch
442 /* forcibly close the process */
443 process_destroy(rec, -1);
444 return;
445 }
446
447 if (signum != -1) {
[9] Taking false branch
448 /* send a signal to process */
449 kill(rec->pid, signum);
450 return;
451 }
452
453 interactive = g_hash_table_lookup(optlist, "interactive") != NULL((void *)0);
454 if (*args == '%') {
[10] Taking true branch
455 /* do something to already existing process */
456 char *name;
457
458 if (target != NULL((void *)0)) {
[11] Taking false branch
459 /* redirect output to target */
460 g_free_and_null(rec->target)do { if (rec->target) { g_free(rec->target); (rec->target
) = ((void *)0); } } while (0);
461 rec->target = g_strdup(target);
462 rec->target_server = target_server == NULL((void *)0) ? NULL((void *)0) :
463 g_strdup(target_server->tag);
464 rec->notice = notice;
465 }
466
467 name = g_hash_table_lookup(optlist, "name");
468 if (name != NULL((void *)0)) {
[12] Taking true branch
469 /* change window name */
470 g_free_not_null(rec->name)g_free(rec->name);
[13] Dereference of null pointer
471 rec->name = *name == '\0' ? NULL((void *)0) : g_strdup(name);
472 } else if (target == NULL((void *)0) &&
473 (rec->target_item == NULL((void *)0) || interactive)) {
474 /* no parameters given,
475 redirect output to the active window */
476 g_free_and_null(rec->target)do { if (rec->target) { g_free(rec->target); (rec->target
) = ((void *)0); } } while (0);
477 rec->target_win = active_win;
478
479 if (rec->target_item != NULL((void *)0))
480 exec_wi_destroy(rec->target_item);
481
482 if (interactive) {
483 rec->target_item =
484 exec_wi_create(active_win, rec);
485 }
486 }
487 return;
488 }
489
490 /* starting a new process */
491 rec = g_new0(PROCESS_REC, 1)((PROCESS_REC *) g_malloc0 (((gsize) sizeof (PROCESS_REC)) * (
(gsize) (1))));
492 rec->pid = -1;
493 rec->shell = g_hash_table_lookup(optlist, "nosh") == NULL((void *)0);
494
495 process_exec(rec, args);
496 if (rec->pid == -1) {
497 /* pipe() or fork() failed */
498 g_free(rec);
499 cmd_return_error(CMDERR_ERRNO)do { signal_emit("error command", 1, ((gpointer) (CMDERR_ERRNO
))); signal_stop(); return; } while (0);
500 }
501
502 rec->id = process_get_new_id();
503 rec->target = g_strdup(target);
504 rec->target_server = target_server == NULL((void *)0) ? NULL((void *)0) :
505 g_strdup(target_server->tag);
506 rec->target_win = active_win;
507 rec->target_channel = target_channel;
508 rec->target_nick = target_nick;
509 rec->args = g_strdup(args);
510 rec->notice = notice;
511 rec->silent = g_hash_table_lookup(optlist, "-") != NULL((void *)0);
512 rec->quiet = g_hash_table_lookup(optlist, "quiet") != NULL((void *)0);
513 rec->name = g_strdup(g_hash_table_lookup(optlist, "name"));
514
515 level = g_hash_table_lookup(optlist, "level");
516 rec->level = level == NULL((void *)0) ? MSGLEVEL_CLIENTCRAP : level2bits(level, NULL((void *)0));
517
518 rec->read_tag = g_input_add(rec->in, G_INPUT_READ(1 << 0),
519 (GInputFunction) sig_exec_input_reader,
520 rec);
521 processes = g_slist_append(processes, rec);
522
523 if (rec->target == NULL((void *)0) && interactive)
524 rec->target_item = exec_wi_create(active_win, rec);
525
526 signal_emit("exec new", 1, rec);
527}
528
529/* SYNTAX: EXEC [-] [-nosh] [-out | -msg <target> | -notice <target>]
530 [-name <name>] <cmd line>
531 EXEC -out | -window | -msg <target> | -notice <target> |
532 -close | -<signal> <id>
533 EXEC -in <id> <text to send to process> */
534static void cmd_exec(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
535{
536 GHashTable *optlist;
537 char *args;
538 void *free_arg;
539
540 g_return_if_fail(data != NULL)do{ if (data != ((void *)0)) { } else { g_return_if_fail_warning
(((gchar*) 0), __PRETTY_FUNCTION__, "data != NULL"); return;
}; }while (0);
541
542 if (cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_OPTIONS0x00004000 |
543 PARAM_FLAG_UNKNOWN_OPTIONS0x00008000 | PARAM_FLAG_GETREST0x00002000,
544 "exec", &optlist, &args)) {
545 handle_exec(args, optlist, server, item);
546 cmd_params_free(free_arg);
547 }
548}
549
550static void sig_pidwait(void *pid, void *statusp)
551{
552 PROCESS_REC *rec;
553 char *str;
554 int status = GPOINTER_TO_INT(statusp)((gint) (statusp));
555
556 rec = process_find_pid(GPOINTER_TO_INT(pid)((gint) (pid)));
557 if (rec == NULL((void *)0)) return;
558
559 /* process exited - print the last line if
560 there wasn't a newline at end. */
561 if (line_split("\n", 1, &str, &rec->databuf) > 0 && *str != '\0')
562 signal_emit_id(signal_exec_input, 2, rec, str);
563
564 if (!rec->silent) {
565 if (WIFSIGNALED(status)(((status) & 0177) != 0177 && ((status) & 0177
) != 0)) {
566 status = WTERMSIG(status)(((status) & 0177));
567 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTNOTICE,
568 "process %d (%s) terminated with signal %d (%s)",
569 rec->id, rec->args,
570 status, g_strsignal(status));
571 } else {
572 status = WIFEXITED(status)(((status) & 0177) == 0) ? WEXITSTATUS(status)((status) >> 8) : -1;
573 printtext(NULL((void *)0), NULL((void *)0), MSGLEVEL_CLIENTNOTICE,
574 "process %d (%s) terminated with return code %d",
575 rec->id, rec->args, status);
576 }
577 }
578 process_destroy(rec, status);
579}
580
581static void sig_exec_input(PROCESS_REC *rec, const char *text)
582{
583 WI_ITEM_REC *item;
584 SERVER_REC *server;
585 char *str;
586
587 if (rec->quiet)
588 return;
589
590 item = NULL((void *)0);
591 server = NULL((void *)0);
592
593 if (rec->target != NULL((void *)0)) {
594 if (rec->target_server != NULL((void *)0)) {
595 server = server_find_tag(rec->target_server);
596 if (server == NULL((void *)0)) {
597 /* disconnected - target is lost */
598 return;
599 }
600 item = NULL((void *)0);
601 } else {
602 item = window_item_find(NULL((void *)0), rec->target);
603 server = item != NULL((void *)0) ? item->server :
604 active_win->active_server;
605 }
606
607 str = g_strconcat(rec->target_nick ? "-nick " :
608 rec->target_channel ? "-channel " : "",
609 rec->target, " ", text, NULL((void *)0));
610 signal_emit(rec->notice ? "command notice" : "command msg",
611 3, str, server, item);
612 g_free(str);
613 } else if (rec->target_item != NULL((void *)0)) {
614 printtext(NULL((void *)0), rec->target_item->visible_name,
615 rec->level, "%s", text);
616 } else {
617 printtext_window(rec->target_win, rec->level, "%s", text);
618 }
619}
620
621static void sig_window_destroyed(WINDOW_REC *window)
622{
623 GSList *tmp;
624
625 /* window is being closed, if there's any /exec targets for it,
626 change them to active window. */
627 for (tmp = processes; tmp != NULL((void *)0); tmp = tmp->next) {
628 PROCESS_REC *rec = tmp->data;
629
630 if (rec->target_win == window)
631 rec->target_win = active_win;
632 }
633}
634
635static void event_text(const char *data, SERVER_REC *server, EXEC_WI_REC *item)
636{
637 if (!IS_EXEC_WI(item)(((EXEC_WI_REC *) module_check_cast_module(item, __builtin_offsetof
(EXEC_WI_REC, type), "WINDOW ITEM TYPE", "EXEC")) ? (!(0)) : (
0)))
638 return;
639
640 net_sendbuffer_send(item->process->out, data, strlen(data));
641 net_sendbuffer_send(item->process->out, "\n", 1);
642 signal_stop();
643}
644
645void fe_exec_init(void)
646{
647 command_bind("exec", NULL, (SIGNAL_FUNC) cmd_exec)command_bind_full("fe-common/core", 0, "exec", -1, ((void *)0
), (SIGNAL_FUNC) cmd_exec, ((void *)0));
648 command_set_options("exec", "!- interactive nosh +name out +msg +notice +in window close +level quiet")command_set_options_module("fe-common/core", "exec", "!- interactive nosh +name out +msg +notice +in window close +level quiet"
);
649
650 signal_exec_input = signal_get_uniq_id("exec input")module_get_uniq_id_str("signals", "exec input");
651 signal_add("pidwait", (SIGNAL_FUNC) sig_pidwait)signal_add_full("fe-common/core", 0, ("pidwait"), (SIGNAL_FUNC
) ((SIGNAL_FUNC) sig_pidwait), ((void *)0));
652 signal_add("exec input", (SIGNAL_FUNC) sig_exec_input)signal_add_full("fe-common/core", 0, ("exec input"), (SIGNAL_FUNC
) ((SIGNAL_FUNC) sig_exec_input), ((void *)0));
653 signal_add("window destroyed", (SIGNAL_FUNC) sig_window_destroyed)signal_add_full("fe-common/core", 0, ("window destroyed"), (SIGNAL_FUNC
) ((SIGNAL_FUNC) sig_window_destroyed), ((void *)0));
654 signal_add_first("send text", (SIGNAL_FUNC) event_text)signal_add_full("fe-common/core", -100, ("send text"), (SIGNAL_FUNC
) ((SIGNAL_FUNC) event_text), ((void *)0));
655}
656
657void fe_exec_deinit(void)
658{
659 if (processes != NULL((void *)0)) {
660 processes_killall(SIGTERM15);
661 sleep(1);
662 processes_killall(SIGKILL9);
663
664 while (processes != NULL((void *)0))
665 process_destroy(processes->data, -1);
666 }
667
668 command_unbind("exec", (SIGNAL_FUNC) cmd_exec)command_unbind_full("exec", (SIGNAL_FUNC) cmd_exec, ((void *)
0));
669
670 signal_remove("pidwait", (SIGNAL_FUNC) sig_pidwait)signal_remove_full(("pidwait"), (SIGNAL_FUNC) ((SIGNAL_FUNC) sig_pidwait
), ((void *)0));
671 signal_remove("exec input", (SIGNAL_FUNC) sig_exec_input)signal_remove_full(("exec input"), (SIGNAL_FUNC) ((SIGNAL_FUNC
) sig_exec_input), ((void *)0));
672 signal_remove("window destroyed", (SIGNAL_FUNC) sig_window_destroyed)signal_remove_full(("window destroyed"), (SIGNAL_FUNC) ((SIGNAL_FUNC
) sig_window_destroyed), ((void *)0));
673 signal_remove("send text", (SIGNAL_FUNC) event_text)signal_remove_full(("send text"), (SIGNAL_FUNC) ((SIGNAL_FUNC
) event_text), ((void *)0));
674}