1 /*
2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2015 Hiroyuki Yamamoto & The Sylpheed Claws Team
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <gtk/gtk.h>
29 #include <gdk/gdkkeysyms.h>
30 #ifdef GDK_WINDOWING_X11
31 # include <gdk/gdkx.h>
32 #endif /* GDK_WINDOWING_X11 */
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <errno.h>
37 #include <sys/types.h>
38 #if HAVE_SYS_WAIT_H
39 # include <sys/wait.h>
40 #endif
41 #include <signal.h>
42 #include <unistd.h>
43
44 #include "utils.h"
45 #include "gtkutils.h"
46 #include "manage_window.h"
47 #include "mainwindow.h"
48 #include "prefs_common.h"
49 #include "alertpanel.h"
50 #include "inputdialog.h"
51 #include "action.h"
52 #include "compose.h"
53 #include "procmsg.h"
54 #include "textview.h"
55
56 typedef struct _Children Children;
57 typedef struct _ChildInfo ChildInfo;
58 typedef struct _UserStringDialog UserStringDialog;
59
60 struct _Children
61 {
62 GtkWidget *dialog;
63 GtkWidget *text;
64 GtkWidget *input_entry;
65 GtkWidget *input_hbox;
66 GtkWidget *abort_btn;
67 GtkWidget *close_btn;
68 GtkWidget *scrolledwin;
69
70 gchar *action;
71 ActionType action_type;
72 GSList *list;
73 gint nb;
74 gint open_in;
75 gboolean output;
76
77 GtkWidget *msg_text;
78
79 gboolean is_selection;
80 };
81
82 struct _ChildInfo
83 {
84 Children *children;
85 gchar *cmd;
86 pid_t pid;
87 gint chld_in;
88 gint chld_out;
89 gint chld_err;
90 gint chld_status;
91 gint tag_in;
92 gint tag_out;
93 gint tag_err;
94 gint tag_status;
95 gint new_out;
96
97 GString *output;
98 };
99
100 static void action_update_menu (GtkItemFactory *ifactory,
101 gchar *branch_path,
102 gpointer callback,
103 gpointer data);
104 static void compose_actions_execute_cb (Compose *compose,
105 guint action_nb,
106 GtkWidget *widget);
107 static void mainwin_actions_execute_cb (MainWindow *mainwin,
108 guint action_nb,
109 GtkWidget *widget);
110 static void msgview_actions_execute_cb (MessageView *msgview,
111 guint action_nb,
112 GtkWidget *widget);
113 static void message_actions_execute (MessageView *msgview,
114 guint action_nb,
115 GSList *msg_list);
116
117 static gboolean execute_actions (gchar *action,
118 GSList *msg_list,
119 GtkWidget *text,
120 gint body_pos,
121 MimeInfo *partinfo);
122
123 static gchar *parse_action_cmd (gchar *action,
124 MsgInfo *msginfo,
125 GSList *msg_list,
126 MimeInfo *partinfo,
127 const gchar *user_str,
128 const gchar *user_hidden_str,
129 const gchar *sel_str);
130 static gboolean parse_append_filename (GString *cmd,
131 MsgInfo *msginfo);
132
133 static gboolean parse_append_msgpart (GString *cmd,
134 MsgInfo *msginfo,
135 MimeInfo *partinfo);
136
137 static ChildInfo *fork_child (gchar *cmd,
138 const gchar *msg_str,
139 Children *children);
140
141 static gint wait_for_children (Children *children);
142
143 static void free_children (Children *children);
144
145 static void childinfo_close_pipes (ChildInfo *child_info);
146
147 static void create_io_dialog (Children *children);
148 static void update_io_dialog (Children *children);
149
150 static void hide_io_dialog_cb (GtkWidget *widget,
151 gpointer data);
152 static gint io_dialog_key_pressed_cb (GtkWidget *widget,
153 GdkEventKey *event,
154 gpointer data);
155
156 static void catch_output (gpointer data,
157 gint source,
158 GdkInputCondition cond);
159 static void catch_input (gpointer data,
160 gint source,
161 GdkInputCondition cond);
162 static void catch_status (gpointer data,
163 gint source,
164 GdkInputCondition cond);
165
166 static gchar *get_user_string (const gchar *action,
167 ActionType type);
168
169
action_get_type(const gchar * action_str)170 ActionType action_get_type(const gchar *action_str)
171 {
172 const gchar *p;
173 ActionType action_type = ACTION_NONE;
174
175 g_return_val_if_fail(action_str, ACTION_ERROR);
176 g_return_val_if_fail(*action_str, ACTION_ERROR);
177
178 p = action_str;
179
180 if (p[0] == '|') {
181 action_type |= ACTION_PIPE_IN;
182 p++;
183 } else if (p[0] == '>') {
184 action_type |= ACTION_USER_IN;
185 p++;
186 } else if (p[0] == '*') {
187 action_type |= ACTION_USER_HIDDEN_IN;
188 p++;
189 }
190
191 if (p[0] == '\0')
192 return ACTION_ERROR;
193
194 while (*p && action_type != ACTION_ERROR) {
195 if (p[0] == '%') {
196 switch (p[1]) {
197 case 'f':
198 action_type |= ACTION_SINGLE;
199 break;
200 case 'F':
201 action_type |= ACTION_MULTIPLE;
202 break;
203 case 'p':
204 action_type |= ACTION_SINGLE;
205 break;
206 case 's':
207 action_type |= ACTION_SELECTION_STR;
208 break;
209 case 'u':
210 action_type |= ACTION_USER_STR;
211 break;
212 case 'h':
213 action_type |= ACTION_USER_HIDDEN_STR;
214 break;
215 default:
216 action_type = ACTION_ERROR;
217 break;
218 }
219 } else if (p[0] == '|') {
220 if (p[1] == '\0')
221 action_type |= ACTION_PIPE_OUT;
222 } else if (p[0] == '>') {
223 if (p[1] == '\0')
224 action_type |= ACTION_INSERT;
225 } else if (p[0] == '&') {
226 if (p[1] == '\0')
227 action_type |= ACTION_ASYNC;
228 }
229 p++;
230 }
231
232 return action_type;
233 }
234
parse_action_cmd(gchar * action,MsgInfo * msginfo,GSList * msg_list,MimeInfo * partinfo,const gchar * user_str,const gchar * user_hidden_str,const gchar * sel_str)235 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
236 GSList *msg_list, MimeInfo *partinfo,
237 const gchar *user_str,
238 const gchar *user_hidden_str,
239 const gchar *sel_str)
240 {
241 GString *cmd;
242 gchar *p;
243 GSList *cur;
244
245 p = action;
246
247 if (p[0] == '|' || p[0] == '>' || p[0] == '*')
248 p++;
249
250 cmd = g_string_sized_new(strlen(action));
251
252 while (p[0] &&
253 !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
254 if (p[0] == '%' && p[1]) {
255 switch (p[1]) {
256 case 'f':
257 if (!parse_append_filename(cmd, msginfo)) {
258 g_string_free(cmd, TRUE);
259 return NULL;
260 }
261 p++;
262 break;
263 case 'F':
264 for (cur = msg_list; cur != NULL;
265 cur = cur->next) {
266 MsgInfo *msg = (MsgInfo *)cur->data;
267
268 if (!parse_append_filename(cmd, msg)) {
269 g_string_free(cmd, TRUE);
270 return NULL;
271 }
272 if (cur->next)
273 g_string_append_c(cmd, ' ');
274 }
275 p++;
276 break;
277 case 'p':
278 if (!parse_append_msgpart(cmd, msginfo,
279 partinfo)) {
280 g_string_free(cmd, TRUE);
281 return NULL;
282 }
283 p++;
284 break;
285 case 's':
286 if (sel_str)
287 g_string_append(cmd, sel_str);
288 p++;
289 break;
290 case 'u':
291 if (user_str)
292 g_string_append(cmd, user_str);
293 p++;
294 break;
295 case 'h':
296 if (user_hidden_str)
297 g_string_append(cmd, user_hidden_str);
298 p++;
299 break;
300 default:
301 g_string_append_c(cmd, p[0]);
302 g_string_append_c(cmd, p[1]);
303 p++;
304 }
305 } else {
306 g_string_append_c(cmd, p[0]);
307 }
308 p++;
309 }
310 if (cmd->len == 0) {
311 g_string_free(cmd, TRUE);
312 return NULL;
313 }
314
315 p = cmd->str;
316 g_string_free(cmd, FALSE);
317 return p;
318 }
319
parse_append_filename(GString * cmd,MsgInfo * msginfo)320 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
321 {
322 gchar *filename;
323 gchar *p, *q;
324 gchar escape_ch[] = "\\ ";
325
326 g_return_val_if_fail(msginfo, FALSE);
327
328 filename = procmsg_get_message_file(msginfo);
329
330 if (!filename) {
331 alertpanel_error(_("Could not get message file %d"),
332 msginfo->msgnum);
333 return FALSE;
334 }
335
336 p = filename;
337 while ((q = strpbrk(p, "$\"`'\\ \t*?[]&|;<>()!#~")) != NULL) {
338 escape_ch[1] = *q;
339 *q = '\0';
340 g_string_append(cmd, p);
341 g_string_append(cmd, escape_ch);
342 p = q + 1;
343 }
344 g_string_append(cmd, p);
345
346 g_free(filename);
347
348 return TRUE;
349 }
350
parse_append_msgpart(GString * cmd,MsgInfo * msginfo,MimeInfo * partinfo)351 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
352 MimeInfo *partinfo)
353 {
354 gboolean single_part = FALSE;
355 gchar *filename;
356 gchar *part_filename;
357 gint ret;
358
359 if (!partinfo) {
360 partinfo = procmime_scan_message(msginfo);
361 if (!partinfo) {
362 alertpanel_error(_("Could not get message part."));
363 return FALSE;
364 }
365
366 single_part = TRUE;
367 }
368
369 filename = procmsg_get_message_file_path(msginfo);
370 part_filename = procmime_get_tmp_file_name(partinfo);
371
372 ret = procmime_get_part(part_filename, filename, partinfo);
373
374 if (single_part)
375 procmime_mimeinfo_free_all(partinfo);
376 g_free(filename);
377
378 if (ret < 0) {
379 alertpanel_error(_("Can't get part of multipart message"));
380 g_free(part_filename);
381 return FALSE;
382 }
383
384 g_string_append(cmd, part_filename);
385
386 g_free(part_filename);
387
388 return TRUE;
389 }
390
action_update_mainwin_menu(GtkItemFactory * ifactory,MainWindow * mainwin)391 void action_update_mainwin_menu(GtkItemFactory *ifactory, MainWindow *mainwin)
392 {
393 action_update_menu(ifactory, "/Tools/Actions",
394 mainwin_actions_execute_cb, mainwin);
395 }
396
action_update_msgview_menu(GtkItemFactory * ifactory,MessageView * msgview)397 void action_update_msgview_menu(GtkItemFactory *ifactory, MessageView *msgview)
398 {
399 action_update_menu(ifactory, "/Tools/Actions",
400 msgview_actions_execute_cb, msgview);
401 }
402
action_update_compose_menu(GtkItemFactory * ifactory,Compose * compose)403 void action_update_compose_menu(GtkItemFactory *ifactory, Compose *compose)
404 {
405 action_update_menu(ifactory, "/Tools/Actions",
406 compose_actions_execute_cb, compose);
407 }
408
action_update_menu(GtkItemFactory * ifactory,gchar * branch_path,gpointer callback,gpointer data)409 static void action_update_menu(GtkItemFactory *ifactory, gchar *branch_path,
410 gpointer callback, gpointer data)
411 {
412 GtkWidget *menuitem;
413 gchar *menu_path;
414 GSList *cur;
415 gchar *action, *action_p;
416 GList *amenu;
417 GtkItemFactoryEntry ifentry = {NULL, NULL, NULL, 0, "<Branch>"};
418
419 ifentry.path = branch_path;
420 menuitem = gtk_item_factory_get_widget(ifactory, branch_path);
421 g_return_if_fail(menuitem != NULL);
422
423 amenu = GTK_MENU_SHELL(menuitem)->children;
424 while (amenu != NULL) {
425 GList *alist = amenu->next;
426 gtk_widget_destroy(GTK_WIDGET(amenu->data));
427 amenu = alist;
428 }
429
430 ifentry.accelerator = NULL;
431 ifentry.callback_action = 0;
432 ifentry.callback = callback;
433 ifentry.item_type = NULL;
434
435 for (cur = prefs_common.actions_list; cur; cur = cur->next) {
436 action = g_strdup((gchar *)cur->data);
437 action_p = strstr(action, ": ");
438 if (action_p && action_p[2] &&
439 action_get_type(&action_p[2]) != ACTION_ERROR) {
440 action_p[0] = '\0';
441 menu_path = g_strdup_printf("%s/%s", branch_path,
442 action);
443 ifentry.path = menu_path;
444 gtk_item_factory_create_item(ifactory, &ifentry, data,
445 1);
446 g_free(menu_path);
447 }
448 g_free(action);
449 ifentry.callback_action++;
450 }
451 }
452
compose_actions_execute_cb(Compose * compose,guint action_nb,GtkWidget * widget)453 static void compose_actions_execute_cb(Compose *compose, guint action_nb,
454 GtkWidget *widget)
455 {
456 gchar *buf, *action;
457 ActionType action_type;
458
459 g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
460
461 buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
462 g_return_if_fail(buf != NULL);
463 action = strstr(buf, ": ");
464 g_return_if_fail(action != NULL);
465
466 /* Point to the beginning of the command-line */
467 action += 2;
468
469 action_type = action_get_type(action);
470 if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
471 alertpanel_warning
472 (_("The selected action cannot be used in the compose window\n"
473 "because it contains %%f, %%F or %%p."));
474 return;
475 }
476
477 execute_actions(action, NULL, compose->text, 0, NULL);
478 }
479
mainwin_actions_execute_cb(MainWindow * mainwin,guint action_nb,GtkWidget * widget)480 static void mainwin_actions_execute_cb(MainWindow *mainwin, guint action_nb,
481 GtkWidget *widget)
482 {
483 GSList *msg_list;
484
485 msg_list = summary_get_selected_msg_list(mainwin->summaryview);
486 message_actions_execute(mainwin->messageview, action_nb, msg_list);
487 g_slist_free(msg_list);
488 }
489
msgview_actions_execute_cb(MessageView * msgview,guint action_nb,GtkWidget * widget)490 static void msgview_actions_execute_cb(MessageView *msgview, guint action_nb,
491 GtkWidget *widget)
492 {
493 GSList *msg_list = NULL;
494
495 if (msgview->msginfo)
496 msg_list = g_slist_append(msg_list, msgview->msginfo);
497 message_actions_execute(msgview, action_nb, msg_list);
498 g_slist_free(msg_list);
499 }
500
message_actions_execute(MessageView * msgview,guint action_nb,GSList * msg_list)501 static void message_actions_execute(MessageView *msgview, guint action_nb,
502 GSList *msg_list)
503 {
504 TextView *textview;
505 MimeInfo *partinfo;
506 gchar *buf;
507 gchar *action;
508 GtkWidget *text = NULL;
509 guint body_pos = 0;
510
511 g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
512
513 buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
514
515 g_return_if_fail(buf);
516 g_return_if_fail((action = strstr(buf, ": ")));
517
518 /* Point to the beginning of the command-line */
519 action += 2;
520
521 textview = messageview_get_current_textview(msgview);
522 if (textview) {
523 text = textview->text;
524 body_pos = textview->body_pos;
525 }
526 partinfo = messageview_get_selected_mime_part(msgview);
527
528 execute_actions(action, msg_list, text, body_pos, partinfo);
529 }
530
execute_actions(gchar * action,GSList * msg_list,GtkWidget * text,gint body_pos,MimeInfo * partinfo)531 static gboolean execute_actions(gchar *action, GSList *msg_list,
532 GtkWidget *text, gint body_pos,
533 MimeInfo *partinfo)
534 {
535 GSList *children_list = NULL;
536 gint is_ok = TRUE;
537 gint msg_list_len;
538 Children *children;
539 ChildInfo *child_info;
540 ActionType action_type;
541 MsgInfo *msginfo;
542 gchar *cmd;
543 gchar *sel_str = NULL;
544 gchar *msg_str = NULL;
545 gchar *user_str = NULL;
546 gchar *user_hidden_str = NULL;
547 GtkTextIter start_iter, end_iter;
548 gboolean is_selection = FALSE;
549
550 g_return_val_if_fail(action && *action, FALSE);
551
552 action_type = action_get_type(action);
553
554 if (action_type == ACTION_ERROR)
555 return FALSE; /* ERR: syntax error */
556
557 if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
558 return FALSE; /* ERR: file command without selection */
559
560 msg_list_len = g_slist_length(msg_list);
561
562 if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
563 if (msg_list_len > 1)
564 return FALSE; /* ERR: pipe + multiple selection */
565 if (!text)
566 return FALSE; /* ERR: pipe and no displayed text */
567 }
568
569 if (action_type & ACTION_SELECTION_STR) {
570 if (!text)
571 return FALSE; /* ERR: selection string but no text */
572 }
573
574 if (text) {
575 GtkTextBuffer *textbuf;
576
577 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
578 is_selection = gtk_text_buffer_get_selection_bounds
579 (textbuf, &start_iter, &end_iter);
580 if (!is_selection) {
581 gtk_text_buffer_get_iter_at_offset
582 (textbuf, &start_iter, body_pos);
583 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
584 if (!(action_type & ACTION_INSERT))
585 gtk_text_buffer_place_cursor
586 (textbuf, &start_iter);
587 }
588 msg_str = gtk_text_buffer_get_text
589 (textbuf, &start_iter, &end_iter, FALSE);
590 if (is_selection)
591 sel_str = g_strdup(msg_str);
592 }
593
594 if (action_type & ACTION_USER_STR) {
595 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
596 g_free(msg_str);
597 g_free(sel_str);
598 return FALSE;
599 }
600 }
601
602 if (action_type & ACTION_USER_HIDDEN_STR) {
603 if (!(user_hidden_str =
604 get_user_string(action, ACTION_USER_HIDDEN_STR))) {
605 g_free(msg_str);
606 g_free(sel_str);
607 g_free(user_str);
608 return FALSE;
609 }
610 }
611
612 if (text && (action_type & ACTION_PIPE_OUT)) {
613 GtkTextBuffer *textbuf;
614 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
615 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
616 }
617
618 children = g_new0(Children, 1);
619
620 children->action = g_strdup(action);
621 children->action_type = action_type;
622 children->msg_text = text;
623 children->is_selection = is_selection;
624
625 if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
626 ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
627 children->open_in = 1;
628
629 if (action_type & ACTION_SINGLE) {
630 GSList *cur;
631
632 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
633 msginfo = (MsgInfo *)cur->data;
634 if (!msginfo) {
635 is_ok = FALSE; /* ERR: msginfo missing */
636 break;
637 }
638 cmd = parse_action_cmd(action, msginfo, msg_list,
639 partinfo, user_str,
640 user_hidden_str, sel_str);
641 if (!cmd) {
642 debug_print("Action command error\n");
643 is_ok = FALSE; /* ERR: incorrect command */
644 break;
645 }
646 if ((child_info = fork_child(cmd, msg_str, children))) {
647 children_list = g_slist_append(children_list,
648 child_info);
649 }
650 g_free(cmd);
651 }
652 } else {
653 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
654 user_str, user_hidden_str, sel_str);
655 if (cmd) {
656 if ((child_info = fork_child(cmd, msg_str, children))) {
657 children_list = g_slist_append(children_list,
658 child_info);
659 }
660 g_free(cmd);
661 } else
662 is_ok = FALSE; /* ERR: incorrect command */
663 }
664
665 g_free(msg_str);
666 g_free(sel_str);
667 g_free(user_str);
668 g_free(user_hidden_str);
669
670 if (!children_list) {
671 /* If not waiting for children, return */
672 free_children(children);
673 } else {
674 GSList *cur;
675
676 children->list = children_list;
677 children->nb = g_slist_length(children_list);
678
679 create_io_dialog(children);
680
681 for (cur = children_list; cur; cur = cur->next) {
682 child_info = (ChildInfo *) cur->data;
683 child_info->tag_status =
684 gdk_input_add(child_info->chld_status,
685 GDK_INPUT_READ,
686 catch_status, child_info);
687 }
688 }
689
690 return is_ok;
691 }
692
fork_child(gchar * cmd,const gchar * msg_str,Children * children)693 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
694 Children *children)
695 {
696 #ifdef G_OS_UNIX
697 gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
698 gchar *cmdline[4];
699 pid_t pid, gch_pid;
700 ChildInfo *child_info;
701 gint sync;
702
703 sync = !(children->action_type & ACTION_ASYNC);
704
705 chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
706 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
707
708 if (sync) {
709 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
710 pipe(chld_err)) {
711 alertpanel_error(_("Command could not be started. "
712 "Pipe creation failed.\n%s"),
713 g_strerror(errno));
714 /* Closing fd = -1 fails silently */
715 close(chld_in[0]);
716 close(chld_in[1]);
717 close(chld_out[0]);
718 close(chld_out[1]);
719 close(chld_err[0]);
720 close(chld_err[1]);
721 close(chld_status[0]);
722 close(chld_status[1]);
723 return NULL; /* Pipe error */
724 }
725 }
726
727 debug_print("Forking child and grandchild in %s mode.\n", sync ? "sync" : "async");
728 debug_print("Executing: /bin/sh -c %s\n", cmd);
729
730 pid = fork();
731 if (pid == 0) { /* Child */
732 struct sigaction sa;
733
734 if (setpgid(0, 0))
735 perror("setpgid");
736
737 /* reset signal handlers */
738 memset(&sa, 0, sizeof(sa));
739 sa.sa_handler = SIG_DFL;
740 sigaction(SIGHUP, &sa, NULL);
741 sigaction(SIGINT, &sa, NULL);
742 sigaction(SIGTERM, &sa, NULL);
743 sigaction(SIGQUIT, &sa, NULL);
744 sigaction(SIGPIPE, &sa, NULL);
745
746 #ifdef GDK_WINDOWING_X11
747 close(ConnectionNumber(gdk_display));
748 #endif /* GDK_WINDOWING_X11 */
749
750 gch_pid = fork();
751
752 if (gch_pid == 0) {
753 if (setpgid(0, getppid()))
754 perror("setpgid");
755
756 if (sync) {
757 if (children->action_type &
758 (ACTION_PIPE_IN |
759 ACTION_USER_IN |
760 ACTION_USER_HIDDEN_IN)) {
761 close(fileno(stdin));
762 dup (chld_in[0]);
763 }
764 close(chld_in[0]);
765 close(chld_in[1]);
766
767 close(fileno(stdout));
768 dup (chld_out[1]);
769 close(chld_out[0]);
770 close(chld_out[1]);
771
772 close(fileno(stderr));
773 dup (chld_err[1]);
774 close(chld_err[0]);
775 close(chld_err[1]);
776 }
777
778 cmdline[0] = "sh";
779 cmdline[1] = "-c";
780 cmdline[2] = cmd;
781 cmdline[3] = NULL;
782 execvp("/bin/sh", cmdline);
783
784 perror("execvp");
785 _exit(1);
786 } else if (gch_pid < (pid_t) 0) { /* Fork error */
787 if (sync)
788 write(chld_status[1], "1\n", 2);
789 perror("fork");
790 _exit(1);
791 } else { /* Child */
792 if (sync) {
793 close(chld_in[0]);
794 close(chld_in[1]);
795 close(chld_out[0]);
796 close(chld_out[1]);
797 close(chld_err[0]);
798 close(chld_err[1]);
799 close(chld_status[0]);
800
801 debug_print("Child: Waiting for grandchild (PID: %d)\n", gch_pid);
802 waitpid(gch_pid, NULL, 0);
803 debug_print("Child: grandchild ended (PID: %d)\n", gch_pid);
804 write(chld_status[1], "0\n", 2);
805 close(chld_status[1]);
806 }
807 _exit(0);
808 }
809 } else if (pid < 0) { /* Fork error */
810 alertpanel_error(_("Could not fork to execute the following "
811 "command:\n%s\n%s"),
812 cmd, g_strerror(errno));
813 return NULL;
814 }
815
816 /* Parent */
817
818 if (!sync) {
819 waitpid(pid, NULL, 0);
820 return NULL;
821 }
822
823 close(chld_in[0]);
824 if (!(children->action_type &
825 (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
826 close(chld_in[1]);
827 close(chld_out[1]);
828 close(chld_err[1]);
829 close(chld_status[1]);
830
831 child_info = g_new0(ChildInfo, 1);
832
833 child_info->children = children;
834
835 child_info->pid = pid;
836 child_info->cmd = g_strdup(cmd);
837 child_info->new_out = FALSE;
838 child_info->output = g_string_new(NULL);
839 child_info->chld_in =
840 (children->action_type &
841 (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
842 ? chld_in [1] : -1;
843 child_info->chld_out = chld_out[0];
844 child_info->chld_err = chld_err[0];
845 child_info->chld_status = chld_status[0];
846 child_info->tag_in = -1;
847 child_info->tag_out = gdk_input_add(chld_out[0], GDK_INPUT_READ,
848 catch_output, child_info);
849 child_info->tag_err = gdk_input_add(chld_err[0], GDK_INPUT_READ,
850 catch_output, child_info);
851
852 debug_print("Monitoring child (PID: %d)\n", pid);
853
854 if (!(children->action_type &
855 (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
856 return child_info;
857
858 if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
859 write(chld_in[1], msg_str, strlen(msg_str));
860 if (!(children->action_type &
861 (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
862 close(chld_in[1]);
863 child_info->chld_in = -1; /* No more input */
864 }
865
866 return child_info;
867 #else
868 return NULL;
869 #endif /* G_OS_UNIX */
870 }
871
kill_children_cb(GtkWidget * widget,gpointer data)872 static void kill_children_cb(GtkWidget *widget, gpointer data)
873 {
874 #ifdef G_OS_UNIX
875 GSList *cur;
876 Children *children = (Children *) data;
877 ChildInfo *child_info;
878
879 for (cur = children->list; cur; cur = cur->next) {
880 child_info = (ChildInfo *)(cur->data);
881 debug_print("Killing child: %d\n", child_info->pid);
882 if (child_info->pid && kill(child_info->pid, SIGTERM) < 0)
883 perror("kill");
884 }
885 #endif /* G_OS_UNIX */
886 }
887
wait_for_children(Children * children)888 static gint wait_for_children(Children *children)
889 {
890 gboolean new_output;
891 ChildInfo *child_info;
892 GSList *cur;
893 gint nb = children->nb;
894
895 debug_print("wait_for_children (%p)\n", children);
896
897 children->nb = 0;
898
899 cur = children->list;
900 new_output = FALSE;
901 while (cur) {
902 child_info = (ChildInfo *)cur->data;
903 if (child_info->pid)
904 children->nb++;
905 new_output |= child_info->new_out;
906 cur = cur->next;
907 }
908
909 children->output |= new_output;
910
911 if (new_output || (children->dialog && (nb != children->nb)))
912 update_io_dialog(children);
913
914 if (children->nb)
915 return FALSE;
916
917 if (!children->dialog) {
918 /* free_children(children); */
919 } else if (!children->output) {
920 gtk_widget_destroy(children->dialog);
921 children->dialog = NULL;
922 }
923
924 return FALSE;
925 }
926
send_input(GtkWidget * w,gpointer data)927 static void send_input(GtkWidget *w, gpointer data)
928 {
929 Children *children = (Children *) data;
930 ChildInfo *child_info = (ChildInfo *) children->list->data;
931
932 child_info->tag_in = gdk_input_add(child_info->chld_in,
933 GDK_INPUT_WRITE,
934 catch_input, children);
935 gtk_widget_set_sensitive(children->input_hbox, FALSE);
936 }
937
delete_io_dialog_cb(GtkWidget * w,GdkEvent * e,gpointer data)938 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
939 {
940 hide_io_dialog_cb(w, data);
941 return TRUE;
942 }
943
hide_io_dialog_cb(GtkWidget * w,gpointer data)944 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
945 {
946
947 Children *children = (Children *)data;
948
949 if (!children->nb) {
950 g_signal_handlers_disconnect_matched
951 (G_OBJECT(children->dialog),
952 (GSignalMatchType)G_SIGNAL_MATCH_DATA,
953 0, 0, NULL, NULL, children);
954 gtk_widget_destroy(children->dialog);
955 free_children(children);
956 }
957 }
958
io_dialog_key_pressed_cb(GtkWidget * widget,GdkEventKey * event,gpointer data)959 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
960 gpointer data)
961 {
962 if (event && event->keyval == GDK_Escape)
963 hide_io_dialog_cb(widget, data);
964 return TRUE;
965 }
966
childinfo_close_pipes(ChildInfo * child_info)967 static void childinfo_close_pipes(ChildInfo *child_info)
968 {
969 /* stdout and stderr pipes are guaranteed to be removed by
970 * their handler, but in case where we receive child exit notification
971 * before grand-child's pipes closing signals, we check them and close
972 * them if necessary
973 */
974 if (child_info->tag_in > 0)
975 gdk_input_remove(child_info->tag_in);
976 if (child_info->tag_out > 0)
977 gdk_input_remove(child_info->tag_out);
978 if (child_info->tag_err > 0)
979 gdk_input_remove(child_info->tag_err);
980
981 if (child_info->chld_in >= 0)
982 close(child_info->chld_in);
983 if (child_info->chld_out >= 0)
984 close(child_info->chld_out);
985 if (child_info->chld_err >= 0)
986 close(child_info->chld_err);
987
988 close(child_info->chld_status);
989 }
990
free_children(Children * children)991 static void free_children(Children *children)
992 {
993 ChildInfo *child_info;
994
995 debug_print("Freeing children data %p\n", children);
996
997 g_free(children->action);
998 while (children->list != NULL) {
999 child_info = (ChildInfo *)children->list->data;
1000 #ifdef G_OS_UNIX
1001 if (child_info->pid != 0) {
1002 debug_print("free_children: waiting PID %d\n", child_info->pid);
1003 if (waitpid(child_info->pid, NULL, 0)
1004 != child_info->pid) {
1005 perror("waitpid (free_children)");
1006 }
1007 }
1008 #endif
1009 g_free(child_info->cmd);
1010 g_string_free(child_info->output, TRUE);
1011 children->list = g_slist_remove(children->list, child_info);
1012 g_free(child_info);
1013 }
1014 g_free(children);
1015 }
1016
update_io_dialog(Children * children)1017 static void update_io_dialog(Children *children)
1018 {
1019 GSList *cur;
1020
1021 debug_print("Updating actions input/output dialog.\n");
1022
1023 if (!children->nb) {
1024 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1025 gtk_widget_set_sensitive(children->close_btn, TRUE);
1026 if (children->input_hbox)
1027 gtk_widget_set_sensitive(children->input_hbox, FALSE);
1028 gtk_widget_grab_focus(children->close_btn);
1029 g_signal_connect(G_OBJECT(children->dialog),
1030 "key_press_event",
1031 G_CALLBACK(io_dialog_key_pressed_cb),
1032 children);
1033 }
1034
1035 if (children->output) {
1036 GtkWidget *text = children->text;
1037 GtkTextBuffer *textbuf;
1038 GtkTextIter iter, start_iter, end_iter;
1039 gchar *caption;
1040 ChildInfo *child_info;
1041
1042 gtk_widget_show(children->scrolledwin);
1043 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1044 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1045 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1046 gtk_text_buffer_get_start_iter(textbuf, &iter);
1047
1048 for (cur = children->list; cur; cur = cur->next) {
1049 child_info = (ChildInfo *)cur->data;
1050 if (child_info->pid)
1051 caption = g_strdup_printf
1052 (_("--- Running: %s\n"),
1053 child_info->cmd);
1054 else
1055 caption = g_strdup_printf
1056 (_("--- Ended: %s\n"),
1057 child_info->cmd);
1058
1059 gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1060 gtk_text_buffer_insert(textbuf, &iter,
1061 child_info->output->str, -1);
1062 g_free(caption);
1063 child_info->new_out = FALSE;
1064 }
1065 }
1066 }
1067
create_io_dialog(Children * children)1068 static void create_io_dialog(Children *children)
1069 {
1070 GtkWidget *dialog;
1071 GtkWidget *vbox;
1072 GtkWidget *entry = NULL;
1073 GtkWidget *input_hbox = NULL;
1074 GtkWidget *send_button;
1075 GtkWidget *label;
1076 GtkWidget *text;
1077 GtkWidget *scrolledwin;
1078 GtkWidget *hbox;
1079 GtkWidget *abort_button;
1080 GtkWidget *close_button;
1081
1082 debug_print("Creating action IO dialog\n");
1083
1084 dialog = gtk_dialog_new();
1085 gtk_container_set_border_width
1086 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
1087 gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1088 gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1089 gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1090 manage_window_set_transient(GTK_WINDOW(dialog));
1091 g_signal_connect(G_OBJECT(dialog), "delete_event",
1092 G_CALLBACK(delete_io_dialog_cb), children);
1093 g_signal_connect(G_OBJECT(dialog), "destroy",
1094 G_CALLBACK(hide_io_dialog_cb),
1095 children);
1096
1097 vbox = gtk_vbox_new(FALSE, 8);
1098 gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
1099 gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1100 gtk_widget_show(vbox);
1101
1102 label = gtk_label_new(children->action);
1103 gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1104 gtk_widget_show(label);
1105
1106 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1107 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1108 GTK_POLICY_AUTOMATIC,
1109 GTK_POLICY_AUTOMATIC);
1110 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1111 GTK_SHADOW_IN);
1112 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1113 gtk_widget_set_size_request(scrolledwin,
1114 560 * gtkut_get_dpi_multiplier(),
1115 200 * gtkut_get_dpi_multiplier());
1116 gtk_widget_hide(scrolledwin);
1117
1118 text = gtk_text_view_new();
1119
1120 if (prefs_common.textfont) {
1121 PangoFontDescription *font_desc;
1122 font_desc = pango_font_description_from_string
1123 (prefs_common.textfont);
1124 if (font_desc) {
1125 gtk_widget_modify_font(text, font_desc);
1126 pango_font_description_free(font_desc);
1127 }
1128 }
1129
1130 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1131 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1132 gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1133 gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1134 gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1135 gtk_widget_show(text);
1136
1137 if (children->open_in) {
1138 input_hbox = gtk_hbox_new(FALSE, 8);
1139 gtk_widget_show(input_hbox);
1140
1141 entry = gtk_entry_new();
1142 gtk_widget_set_size_request
1143 (entry, 320 * gtkut_get_dpi_multiplier(), -1);
1144 g_signal_connect(G_OBJECT(entry), "activate",
1145 G_CALLBACK(send_input), children);
1146 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1147 if (children->action_type & ACTION_USER_HIDDEN_IN)
1148 gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1149 gtk_widget_show(entry);
1150
1151 send_button = gtk_button_new_with_label(_(" Send "));
1152 g_signal_connect(G_OBJECT(send_button), "clicked",
1153 G_CALLBACK(send_input), children);
1154 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1155 FALSE, 0);
1156 gtk_widget_show(send_button);
1157
1158 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1159 gtk_widget_grab_focus(entry);
1160 }
1161
1162 gtkut_stock_button_set_create(&hbox, &abort_button, _("Abort"),
1163 &close_button, GTK_STOCK_CLOSE,
1164 NULL, NULL);
1165 g_signal_connect(G_OBJECT(abort_button), "clicked",
1166 G_CALLBACK(kill_children_cb), children);
1167 g_signal_connect(G_OBJECT(close_button), "clicked",
1168 G_CALLBACK(hide_io_dialog_cb), children);
1169 gtk_widget_show(hbox);
1170
1171 if (children->nb)
1172 gtk_widget_set_sensitive(close_button, FALSE);
1173
1174 gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1175
1176 children->dialog = dialog;
1177 children->scrolledwin = scrolledwin;
1178 children->text = text;
1179 children->input_hbox = children->open_in ? input_hbox : NULL;
1180 children->input_entry = children->open_in ? entry : NULL;
1181 children->abort_btn = abort_button;
1182 children->close_btn = close_button;
1183
1184 gtk_widget_show(dialog);
1185 }
1186
catch_status(gpointer data,gint source,GdkInputCondition cond)1187 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1188 {
1189 ChildInfo *child_info = (ChildInfo *)data;
1190 gchar buf;
1191 gint c;
1192
1193 debug_print("Catching child status (child PID: %d).\n", child_info->pid);
1194
1195 gdk_threads_enter();
1196
1197 gdk_input_remove(child_info->tag_status);
1198
1199 c = read(source, &buf, 1);
1200 if (c == 1)
1201 debug_print("Child (PID: %d) returned %c\n", child_info->pid, buf);
1202 else
1203 debug_print("Could not get child (PID: %d) status\n", child_info->pid);
1204
1205 #ifdef G_OS_UNIX
1206 waitpid(child_info->pid, NULL, 0);
1207 #endif
1208 childinfo_close_pipes(child_info);
1209 child_info->pid = 0;
1210
1211 wait_for_children(child_info->children);
1212
1213 gdk_threads_leave();
1214 }
1215
catch_input(gpointer data,gint source,GdkInputCondition cond)1216 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1217 {
1218 Children *children = (Children *)data;
1219 ChildInfo *child_info = (ChildInfo *)children->list->data;
1220 gchar *input;
1221 gint c, count, len;
1222
1223 debug_print("Sending input to grand child.\n");
1224 if (!(cond && GDK_INPUT_WRITE))
1225 return;
1226
1227 gdk_threads_enter();
1228
1229 gdk_input_remove(child_info->tag_in);
1230 child_info->tag_in = -1;
1231
1232 input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1233 0, -1);
1234 len = strlen(input);
1235 count = 0;
1236
1237 do {
1238 c = write(child_info->chld_in, input + count, len - count);
1239 if (c >= 0)
1240 count += c;
1241 } while (c >= 0 && count < len);
1242
1243 if (c >= 0)
1244 write(child_info->chld_in, "\n", 2);
1245
1246 g_free(input);
1247
1248 gtk_entry_set_text(GTK_ENTRY(children->input_entry), "");
1249 gtk_widget_set_sensitive(children->input_hbox, TRUE);
1250 close(child_info->chld_in);
1251 child_info->chld_in = -1;
1252 debug_print("Input to grand child sent.\n");
1253
1254 gdk_threads_leave();
1255 }
1256
catch_output(gpointer data,gint source,GdkInputCondition cond)1257 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1258 {
1259 ChildInfo *child_info = (ChildInfo *)data;
1260 gint c;
1261 gchar buf[BUFFSIZE];
1262
1263 gdk_threads_enter();
1264
1265 debug_print("Catching grand child's output (child PID: %d).\n", child_info->pid);
1266 if (child_info->children->action_type &
1267 (ACTION_PIPE_OUT | ACTION_INSERT)
1268 && source == child_info->chld_out) {
1269 GtkTextView *text =
1270 GTK_TEXT_VIEW(child_info->children->msg_text);
1271 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1272 GtkTextIter iter;
1273 GtkTextMark *mark;
1274 gint ins_pos;
1275
1276 mark = gtk_text_buffer_get_insert(textbuf);
1277 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1278 ins_pos = gtk_text_iter_get_offset(&iter);
1279
1280 while (TRUE) {
1281 gsize bytes_read = 0, bytes_written = 0;
1282 gchar *ret_str;
1283
1284 c = read(source, buf, sizeof(buf) - 1);
1285 if (c == 0)
1286 break;
1287
1288 ret_str = g_locale_to_utf8
1289 (buf, c, &bytes_read, &bytes_written, NULL);
1290 if (ret_str && bytes_written > 0) {
1291 gtk_text_buffer_insert
1292 (textbuf, &iter, ret_str,
1293 bytes_written);
1294 g_free(ret_str);
1295 } else
1296 gtk_text_buffer_insert(textbuf, &iter, buf, c);
1297 }
1298
1299 if (child_info->children->is_selection) {
1300 GtkTextIter ins;
1301
1302 gtk_text_buffer_get_iter_at_offset
1303 (textbuf, &ins, ins_pos);
1304 gtk_text_buffer_select_range(textbuf, &ins, &iter);
1305 }
1306 } else {
1307 c = read(source, buf, sizeof(buf) - 1);
1308 if (c > 0) {
1309 gsize bytes_read = 0, bytes_written = 0;
1310 gchar *ret_str;
1311
1312 ret_str = g_locale_to_utf8
1313 (buf, c, &bytes_read, &bytes_written, NULL);
1314 if (ret_str && bytes_written > 0) {
1315 g_string_append_len
1316 (child_info->output, ret_str,
1317 bytes_written);
1318 g_free(ret_str);
1319 } else
1320 g_string_append_len(child_info->output, buf, c);
1321
1322 child_info->new_out = TRUE;
1323 }
1324 }
1325 if (c == 0) {
1326 if (source == child_info->chld_out) {
1327 gdk_input_remove(child_info->tag_out);
1328 child_info->tag_out = -1;
1329 close(child_info->chld_out);
1330 child_info->chld_out = -1;
1331 } else {
1332 gdk_input_remove(child_info->tag_err);
1333 child_info->tag_err = -1;
1334 close(child_info->chld_err);
1335 child_info->chld_err = -1;
1336 }
1337 }
1338
1339 wait_for_children(child_info->children);
1340
1341 gdk_threads_leave();
1342 }
1343
get_user_string(const gchar * action,ActionType type)1344 static gchar *get_user_string(const gchar *action, ActionType type)
1345 {
1346 gchar *message;
1347 gchar *user_str = NULL;
1348
1349 switch (type) {
1350 case ACTION_USER_HIDDEN_STR:
1351 message = g_strdup_printf
1352 (_("Enter the argument for the following action:\n"
1353 "(`%%h' will be replaced with the argument)\n"
1354 " %s"),
1355 action);
1356 user_str = input_dialog_with_invisible
1357 (_("Action's hidden user argument"), message, NULL);
1358 break;
1359 case ACTION_USER_STR:
1360 message = g_strdup_printf
1361 (_("Enter the argument for the following action:\n"
1362 "(`%%u' will be replaced with the argument)\n"
1363 " %s"),
1364 action);
1365 user_str = input_dialog
1366 (_("Action's user argument"), message, NULL);
1367 break;
1368 default:
1369 g_warning("Unsupported action type %d", type);
1370 }
1371
1372 return user_str;
1373 }
1374