src/prefs_actions.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   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 <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gdk/gdkx.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34 #include <sys/types.h>
  35 #include <sys/wait.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38
  39 #include "intl.h"
  40 #include "prefs.h"
  41 #include "inc.h"
  42 #include "utils.h"
  43 #include "gtkutils.h"
  44 #include "manage_window.h"
  45 #include "mainwindow.h"
  46 #include "prefs_common.h"
  47 #include "alertpanel.h"
  48 #include "prefs_actions.h"
  49 #include "compose.h"
  50 #include "procmsg.h"
  51 #include "gtkstext.h"
  52 #include "mimeview.h"
  53
  54 typedef enum
  55 {
  56         ACTION_NONE     = 1 << 0,
  57         ACTION_PIPE_IN  = 1 << 1,
  58         ACTION_PIPE_OUT = 1 << 2,
  59         ACTION_SINGLE   = 1 << 3,
  60         ACTION_MULTIPLE = 1 << 4,
  61         ACTION_ASYNC    = 1 << 5,
  62         ACTION_OPEN_IN  = 1 << 6,
  63         ACTION_HIDE_IN  = 1 << 7,
  64         ACTION_ERROR    = 1 << 8,
  65 } ActionType;
  66
  67 static struct Actions
  68 {
  69         GtkWidget *window;
  70
  71         GtkWidget *ok_btn;
  72
  73         GtkWidget *name_entry;
  74         GtkWidget *cmd_entry;
  75
  76         GtkWidget *actions_clist;
  77 } actions;
  78
  79 typedef struct _Children Children;
  80 typedef struct _ChildInfo ChildInfo;
  81
  82 struct _Children
  83 {
  84         GtkWidget       *window;
  85         GtkWidget       *dialog;
  86         GtkWidget       *text;
  87         GtkWidget       *input_entry;
  88         GtkWidget       *input_hbox;
  89         GtkWidget       *abort_btn;
  90         GtkWidget       *close_btn;
  91         GtkWidget       *scrolledwin;
  92
  93         gchar           *action;
  94         GSList          *list;
  95         gint             nb;
  96         gint             open_in;
  97         gboolean         output;
  98 };
  99
 100 struct _ChildInfo
 101 {
 102         Children        *children;
 103         gchar           *cmd;
 104         guint            type;
 105         pid_t            pid;
 106         gint             chld_in;
 107         gint             chld_out;
 108         gint             chld_err;
 109         gint             chld_status;
 110         gint             tag_in;
 111         gint             tag_out;
 112         gint             tag_err;
 113         gint             tag_status;
 114         gint             new_out;
 115         GString         *output;
 116         GtkWidget       *text;
 117 };
 118
 119 /* widget creating functions */
 120 static void prefs_actions_create        (MainWindow *mainwin);
 121 static void prefs_actions_set_dialog    (void);
 122 static gint prefs_actions_clist_set_row (gint row);
 123
 124 /* callback functions */
 125 static void prefs_actions_help_cb       (GtkWidget      *w,
 126                                          gpointer        data);
 127 static void prefs_actions_register_cb   (GtkWidget      *w,
 128                                          gpointer        data);
 129 static void prefs_actions_substitute_cb (GtkWidget      *w,
 130                                          gpointer        data);
 131 static void prefs_actions_delete_cb     (GtkWidget      *w,
 132                                          gpointer        data);
 133 static void prefs_actions_up            (GtkWidget      *w,
 134                                          gpointer        data);
 135 static void prefs_actions_down          (GtkWidget      *w,
 136                                          gpointer        data);
 137 static void prefs_actions_select        (GtkCList       *clist,
 138                                          gint            row,
 139                                          gint            column,
 140                                          GdkEvent       *event);
 141 static void prefs_actions_row_move      (GtkCList       *clist,
 142                                          gint            source_row,
 143                                          gint            dest_row);
 144 static gint prefs_actions_deleted       (GtkWidget      *widget,
 145                                          GdkEventAny    *event,
 146                                          gpointer       *data);
 147 static void prefs_actions_key_pressed   (GtkWidget      *widget,
 148                                          GdkEventKey    *event,
 149                                          gpointer        data);
 150 static void prefs_actions_cancel        (GtkWidget      *w,
 151                                          gpointer        data);
 152 static void prefs_actions_ok            (GtkWidget      *w,
 153                                          gpointer        data);
 154 static void update_actions_menu         (GtkItemFactory *ifactory,
 155                                          gchar          *branch_path,
 156                                          gpointer        callback,
 157                                          gpointer        data);
 158 static void mainwin_actions_execute_cb  (MainWindow     *mainwin,
 159                                          guint           action_nb,
 160                                          GtkWidget      *widget);
 161 static void compose_actions_execute_cb  (Compose        *compose,
 162                                          guint           action_nb,
 163                                          GtkWidget      *widget);
 164 static guint get_action_type            (gchar          *action);
 165
 166 static gboolean execute_actions         (gchar          *action,
 167                                          GtkWidget      *window,
 168                                          GtkCTree       *ctree,
 169                                          GtkWidget      *text,
 170                                          MimeView       *mimeview);
 171
 172 static gchar *parse_action_cmd          (gchar          *action,
 173                                          MsgInfo        *msginfo,
 174                                          GtkCTree       *ctree,
 175                                          MimeView       *mimeview);
 176 static GString *parse_append_filename   (GString        *cmd,
 177                                          MsgInfo        *msginfo);
 178
 179 static GString *parse_append_msgpart    (GString        *cmd,
 180                                          MsgInfo        *msginfo,
 181                                          MimeView       *mimeview);
 182
 183 ChildInfo *fork_child                   (gchar          *cmd,
 184                                          gint            action_type,
 185                                          GtkWidget      *text,
 186                                          Children       *children);
 187
 188 static gint wait_for_children           (gpointer        data);
 189
 190 static void free_children               (Children       *children);
 191
 192 static void childinfo_close_pipes       (ChildInfo      *child_info);
 193
 194 static void create_io_dialog            (Children       *children);
 195 static void update_io_dialog            (Children       *children);
 196
 197 static void hide_io_dialog_cb           (GtkWidget      *widget,
 198                                          gpointer        data);
 199
 200 static void catch_output                (gpointer                data,
 201                                          gint                    source,
 202                                          GdkInputCondition       cond);
 203 static void catch_input                 (gpointer                data,
 204                                          gint                    source,
 205                                          GdkInputCondition       cond);
 206 static void catch_status                (gpointer                data,
 207                                          gint                    source,
 208                                          GdkInputCondition       cond);
 209
 210 void prefs_actions_open(MainWindow *mainwin)
 211 {
 212 #if 0
 213         if (prefs_rc_is_readonly(ACTIONS_RC))
 214                 return;
 215 #endif
 216         inc_lock();
 217
 218         if (!actions.window)
 219                 prefs_actions_create(mainwin);
 220
 221         manage_window_set_transient(GTK_WINDOW(actions.window));
 222         gtk_widget_grab_focus(actions.ok_btn);
 223
 224         prefs_actions_set_dialog();
 225
 226         gtk_widget_show(actions.window);
 227 }
 228
 229 static void prefs_actions_create(MainWindow *mainwin)
 230 {
 231         GtkWidget *window;
 232         GtkWidget *vbox;
 233         GtkWidget *ok_btn;
 234         GtkWidget *cancel_btn;
 235         GtkWidget *confirm_area;
 236
 237         GtkWidget *vbox1;
 238
 239         GtkWidget *entry_vbox;
 240         GtkWidget *hbox;
 241         GtkWidget *name_label;
 242         GtkWidget *name_entry;
 243         GtkWidget *cmd_label;
 244         GtkWidget *cmd_entry;
 245
 246         GtkWidget *reg_hbox;
 247         GtkWidget *btn_hbox;
 248         GtkWidget *arrow;
 249         GtkWidget *reg_btn;
 250         GtkWidget *subst_btn;
 251         GtkWidget *del_btn;
 252
 253         GtkWidget *cond_hbox;
 254         GtkWidget *cond_scrolledwin;
 255         GtkWidget *cond_clist;
 256
 257         GtkWidget *help_vbox;
 258         GtkWidget *help_label;
 259         GtkWidget *help_toggle;
 260
 261         GtkWidget *btn_vbox;
 262         GtkWidget *up_btn;
 263         GtkWidget *down_btn;
 264
 265         gchar *title[1];
 266
 267         debug_print("Creating actions setting window...\n");
 268
 269         window = gtk_window_new (GTK_WINDOW_DIALOG);
 270
 271         gtk_container_set_border_width(GTK_CONTAINER (window), 8);
 272         gtk_window_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 273         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 274         gtk_window_set_policy(GTK_WINDOW(window), FALSE, TRUE, TRUE);
 275         gtk_window_set_default_size(GTK_WINDOW(window), 400, -1);
 276
 277         vbox = gtk_vbox_new(FALSE, 6);
 278         gtk_widget_show(vbox);
 279         gtk_container_add(GTK_CONTAINER(window), vbox);
 280
 281         gtkut_button_set_create(&confirm_area, &ok_btn, _("OK"),
 282                                 &cancel_btn, _("Cancel"), NULL, NULL);
 283         gtk_widget_show(confirm_area);
 284         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 285         gtk_widget_grab_default(ok_btn);
 286
 287         gtk_window_set_title(GTK_WINDOW(window), _("Actions setting"));
 288         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
 289                            GTK_SIGNAL_FUNC(prefs_actions_deleted), NULL);
 290         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 291                            GTK_SIGNAL_FUNC(prefs_actions_key_pressed), NULL);
 292         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 293         gtk_signal_connect(GTK_OBJECT(ok_btn), "clicked",
 294                            GTK_SIGNAL_FUNC(prefs_actions_ok), mainwin);
 295         gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
 296                            GTK_SIGNAL_FUNC(prefs_actions_cancel), NULL);
 297
 298         vbox1 = gtk_vbox_new(FALSE, 8);
 299         gtk_widget_show(vbox1);
 300         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 301         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 302
 303         entry_vbox = gtk_vbox_new(FALSE, 4);
 304         gtk_box_pack_start(GTK_BOX(vbox1), entry_vbox, FALSE, FALSE, 0);
 305
 306         hbox = gtk_hbox_new(FALSE, 8);
 307         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, FALSE, FALSE, 0);
 308
 309         name_label = gtk_label_new(_("Menu name:"));
 310         gtk_box_pack_start(GTK_BOX(hbox), name_label, FALSE, FALSE, 0);
 311
 312         name_entry = gtk_entry_new();
 313         gtk_box_pack_start(GTK_BOX(hbox), name_entry, TRUE, TRUE, 0);
 314
 315         hbox = gtk_hbox_new(FALSE, 8);
 316         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, TRUE, TRUE, 0);
 317
 318         cmd_label = gtk_label_new(_("Command line:"));
 319         gtk_box_pack_start(GTK_BOX(hbox), cmd_label, FALSE, FALSE, 0);
 320
 321         cmd_entry = gtk_entry_new();
 322         gtk_box_pack_start(GTK_BOX(hbox), cmd_entry, TRUE, TRUE, 0);
 323
 324         gtk_widget_show_all(entry_vbox);
 325
 326         help_vbox = gtk_vbox_new(FALSE, 8);
 327         gtk_box_pack_start(GTK_BOX(vbox1), help_vbox, FALSE, FALSE, 0);
 328
 329         help_label = gtk_label_new
 330                 (_("Menu name:\n"
 331                    " Use / in menu name to make submenus.\n"
 332                    "Command line:\n"
 333                    " Begin with:\n"
 334                    "   | to send message body or selection to command\n"
 335                    "   > to send user provided text to command\n"
 336                    "   * to send user provided hidden text to command\n"
 337                    " End with:\n"
 338                    "   | to replace message body or selection with command output\n"
 339                    "   & to run command asynchronously\n"
 340                    " Use %f for message file name\n"
 341                    "   %F for the list of the file names of selected messages\n"
 342                    "   %p for the selected message part."));
 343         gtk_misc_set_alignment(GTK_MISC(help_label), 0, 0.5);
 344         gtk_label_set_justify(GTK_LABEL(help_label), GTK_JUSTIFY_LEFT);
 345         gtk_widget_show(help_label);
 346         gtk_box_pack_start(GTK_BOX(help_vbox), help_label, FALSE, FALSE, 0);
 347         gtk_widget_hide(help_vbox);
 348
 349         /* register / substitute / delete */
 350
 351         reg_hbox = gtk_hbox_new(FALSE, 4);
 352         gtk_widget_show(reg_hbox);
 353         gtk_box_pack_start(GTK_BOX(vbox1), reg_hbox, FALSE, FALSE, 0);
 354
 355         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 356         gtk_widget_show(arrow);
 357         gtk_box_pack_start(GTK_BOX(reg_hbox), arrow, FALSE, FALSE, 0);
 358         gtk_widget_set_usize(arrow, -1, 16);
 359
 360         btn_hbox = gtk_hbox_new(TRUE, 4);
 361         gtk_widget_show(btn_hbox);
 362         gtk_box_pack_start(GTK_BOX(reg_hbox), btn_hbox, FALSE, FALSE, 0);
 363
 364         reg_btn = gtk_button_new_with_label(_("Register"));
 365         gtk_widget_show(reg_btn);
 366         gtk_box_pack_start(GTK_BOX(btn_hbox), reg_btn, FALSE, TRUE, 0);
 367         gtk_signal_connect(GTK_OBJECT(reg_btn), "clicked",
 368                            GTK_SIGNAL_FUNC(prefs_actions_register_cb), NULL);
 369
 370         subst_btn = gtk_button_new_with_label(_(" Substitute "));
 371         gtk_widget_show(subst_btn);
 372         gtk_box_pack_start(GTK_BOX(btn_hbox), subst_btn, FALSE, TRUE, 0);
 373         gtk_signal_connect(GTK_OBJECT(subst_btn), "clicked",
 374                            GTK_SIGNAL_FUNC(prefs_actions_substitute_cb),
 375                            NULL);
 376
 377         del_btn = gtk_button_new_with_label(_("Delete"));
 378         gtk_widget_show(del_btn);
 379         gtk_box_pack_start(GTK_BOX(btn_hbox), del_btn, FALSE, TRUE, 0);
 380         gtk_signal_connect(GTK_OBJECT(del_btn), "clicked",
 381                            GTK_SIGNAL_FUNC(prefs_actions_delete_cb), NULL);
 382
 383         help_toggle = gtk_toggle_button_new_with_label(_(" Syntax help "));
 384         gtk_widget_show(help_toggle);
 385         gtk_box_pack_end(GTK_BOX(reg_hbox), help_toggle, FALSE, FALSE, 0);
 386         gtk_signal_connect(GTK_OBJECT(help_toggle), "toggled",
 387                            GTK_SIGNAL_FUNC(prefs_actions_help_cb), help_vbox);
 388
 389         cond_hbox = gtk_hbox_new(FALSE, 8);
 390         gtk_widget_show(cond_hbox);
 391         gtk_box_pack_start(GTK_BOX(vbox1), cond_hbox, TRUE, TRUE, 0);
 392
 393         cond_scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 394         gtk_widget_show(cond_scrolledwin);
 395         gtk_widget_set_usize(cond_scrolledwin, -1, 150);
 396         gtk_box_pack_start(GTK_BOX(cond_hbox), cond_scrolledwin,
 397                            TRUE, TRUE, 0);
 398         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (cond_scrolledwin),
 399                                        GTK_POLICY_AUTOMATIC,
 400                                        GTK_POLICY_AUTOMATIC);
 401
 402         title[0] = _("Registered actions");
 403         cond_clist = gtk_clist_new_with_titles(1, title);
 404         gtk_widget_show(cond_clist);
 405         gtk_container_add(GTK_CONTAINER (cond_scrolledwin), cond_clist);
 406         gtk_clist_set_column_width(GTK_CLIST (cond_clist), 0, 80);
 407         gtk_clist_set_selection_mode(GTK_CLIST (cond_clist),
 408                                      GTK_SELECTION_BROWSE);
 409         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(cond_clist)->column[0].button,
 410                                GTK_CAN_FOCUS);
 411         gtk_signal_connect(GTK_OBJECT(cond_clist), "select_row",
 412                            GTK_SIGNAL_FUNC(prefs_actions_select), NULL);
 413         gtk_signal_connect_after(GTK_OBJECT(cond_clist), "row_move",
 414                                  GTK_SIGNAL_FUNC(prefs_actions_row_move),
 415                                  NULL);
 416
 417         btn_vbox = gtk_vbox_new(FALSE, 8);
 418         gtk_widget_show(btn_vbox);
 419         gtk_box_pack_start(GTK_BOX(cond_hbox), btn_vbox, FALSE, FALSE, 0);
 420
 421         up_btn = gtk_button_new_with_label(_("Up"));
 422         gtk_widget_show(up_btn);
 423         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, FALSE, 0);
 424         gtk_signal_connect(GTK_OBJECT(up_btn), "clicked",
 425                            GTK_SIGNAL_FUNC(prefs_actions_up), NULL);
 426
 427         down_btn = gtk_button_new_with_label(_("Down"));
 428         gtk_widget_show(down_btn);
 429         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, FALSE, 0);
 430         gtk_signal_connect(GTK_OBJECT(down_btn), "clicked",
 431                            GTK_SIGNAL_FUNC(prefs_actions_down), NULL);
 432
 433         gtk_widget_show(window);
 434
 435         actions.window = window;
 436         actions.ok_btn = ok_btn;
 437
 438         actions.name_entry = name_entry;
 439         actions.cmd_entry  = cmd_entry;
 440
 441         actions.actions_clist = cond_clist;
 442 }
 443
 444 static void prefs_actions_help_cb(GtkWidget *w, gpointer data)
 445 {
 446         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w)))
 447                 gtk_widget_show(GTK_WIDGET(data));
 448         else
 449                 gtk_widget_hide(GTK_WIDGET(data));
 450 }
 451
 452 void prefs_actions_read_config(void)
 453 {
 454         gchar *rcpath;
 455         FILE *fp;
 456         gchar buf[PREFSBUFSIZE];
 457         gchar *act;
 458
 459         debug_print("Reading actions configurations...\n");
 460
 461         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 462         if ((fp = fopen(rcpath, "rb")) == NULL) {
 463                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 464                 g_free(rcpath);
 465                 return;
 466         }
 467         g_free(rcpath);
 468
 469         while (prefs_common.actions_list != NULL) {
 470                 act = (gchar *)prefs_common.actions_list->data;
 471                 prefs_common.actions_list =
 472                         g_slist_remove(prefs_common.actions_list, act);
 473                 g_free(act);
 474         }
 475
 476         while (fgets(buf, sizeof(buf), fp) != NULL) {
 477                 g_strchomp(buf);
 478                 act = strstr(buf, ": ");
 479                 if (act && act[2] &&
 480                     get_action_type(&act[2]) != ACTION_ERROR)
 481                         prefs_common.actions_list =
 482                                 g_slist_append(prefs_common.actions_list,
 483                                                g_strdup(buf));
 484         }
 485         fclose(fp);
 486 }
 487
 488 void prefs_actions_write_config(void)
 489 {
 490         gchar *rcpath;
 491         PrefFile *pfile;
 492         GSList *cur;
 493
 494         debug_print("Writing actions configuration...\n");
 495
 496         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 497         if ((pfile= prefs_write_open(rcpath)) == NULL) {
 498                 g_warning(_("failed to write configuration to file\n"));
 499                 g_free(rcpath);
 500                 return;
 501         }
 502
 503         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 504                 gchar *act = (gchar *)cur->data;
 505                 if (fputs(act, pfile->fp) == EOF ||
 506                     fputc('\n', pfile->fp) == EOF) {
 507                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 508                         prefs_write_close_revert(pfile);
 509                         g_free(rcpath);
 510                         return;
 511                 }
 512         }
 513
 514         g_free(rcpath);
 515
 516         if (prefs_write_close(pfile) < 0) {
 517                 g_warning(_("failed to write configuration to file\n"));
 518                 return;
 519         }
 520 }
 521
 522 static guint get_action_type(gchar *action)
 523 {
 524         gchar *p;
 525         guint action_type = ACTION_NONE;
 526
 527         g_return_val_if_fail(action,  ACTION_ERROR);
 528         g_return_val_if_fail(*action, ACTION_ERROR);
 529
 530         p = action;
 531
 532         if (p[0] == '|') {
 533                 action_type |= ACTION_PIPE_IN;
 534                 p++;
 535         } else if (p[0] == '>') {
 536                 action_type |= ACTION_OPEN_IN;
 537                 p++;
 538         } else if (p[0] == '*') {
 539                 action_type |= ACTION_HIDE_IN;
 540                 p++;
 541         }
 542
 543         if (p[0] == 0x00)
 544                 return ACTION_ERROR;
 545
 546         while (*p && action_type != ACTION_ERROR) {
 547                 if (p[0] == '%') {
 548                         switch (p[1]) {
 549                         case 'f':
 550                                 action_type |= ACTION_SINGLE;
 551                                 break;
 552                         case 'F':
 553                                 action_type |= ACTION_MULTIPLE;
 554                                 break;
 555                         case 'p':
 556                                 action_type |= ACTION_SINGLE;
 557                                 break;
 558                         default:
 559                                 action_type = ACTION_ERROR;
 560                                 break;
 561                         }
 562                 } else if (p[0] == '|') {
 563                         if (p[1] == 0x00)
 564                                 action_type |= ACTION_PIPE_OUT;
 565                 } else if (p[0] == '&') {
 566                         if (p[1] == 0x00)
 567                                 action_type |= ACTION_ASYNC;
 568                         else
 569                                 action_type = ACTION_ERROR;
 570                 }
 571                 p++;
 572         }
 573
 574         return action_type;
 575 }
 576
 577 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 578                                GtkCTree *ctree, MimeView *mimeview)
 579 {
 580         GString *cmd, *tmpcmd;
 581         gchar *p;
 582         GList *cur;
 583         MsgInfo *msg;
 584
 585         p = action;
 586
 587         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 588                 p++;
 589
 590         cmd = g_string_sized_new(strlen(action));
 591
 592         while (p[0] && !(p[0] == '|' && !p[1]) && p[0] != '&') {
 593                 if (p[0] == '%' && p[1]) {
 594                         switch (p[1]) {
 595                         case 'f':
 596                                 cmd = parse_append_filename(cmd, msginfo);
 597                                 p++;
 598                                 break;
 599                         case 'F':
 600                                 for (cur = GTK_CLIST(ctree)->selection;
 601                                      cur != NULL; cur = cur->next) {
 602                                         msg = gtk_ctree_node_get_row_data(ctree,
 603                                               GTK_CTREE_NODE(cur->data));
 604                                         cmd = parse_append_filename(cmd, msg);
 605                                         if (cur->next)
 606                                                 cmd = g_string_append_c(cmd, ' ');
 607                                 }
 608                                 p++;
 609                                 break;
 610                         case 'p':
 611                                 tmpcmd = parse_append_msgpart
 612                                         (cmd, msginfo, mimeview);
 613                                 if (tmpcmd)
 614                                         cmd = tmpcmd;
 615                                 else {
 616                                         g_string_free(cmd, TRUE);
 617                                         return NULL;
 618                                 }
 619                                 p++;
 620                                 break;
 621                         default:
 622                                 cmd = g_string_append_c(cmd, p[0]);
 623                                 cmd = g_string_append_c(cmd, p[1]);
 624                                 p++;
 625                         }
 626                 } else {
 627                         cmd = g_string_append_c(cmd, p[0]);
 628                 }
 629                 p++;
 630         }
 631         if (cmd->len == 0) {
 632                 g_string_free(cmd, TRUE);
 633                 return NULL;
 634         }
 635
 636         p = cmd->str;
 637         g_string_free(cmd, FALSE);
 638         return p;
 639 }
 640
 641 static GString *parse_append_filename(GString *cmd, MsgInfo *msginfo)
 642 {
 643         gchar *filename;
 644
 645         g_return_val_if_fail(msginfo, cmd);
 646
 647         filename = procmsg_get_message_file(msginfo);
 648
 649         if (filename) {
 650                 cmd = g_string_append(cmd, filename);
 651                 g_free(filename);
 652         }
 653
 654         return cmd;
 655 }
 656
 657 static GString *parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 658                                      MimeView *mimeview)
 659 {
 660         gchar    *filename;
 661         gchar    *partname;
 662         MimeInfo *partinfo;
 663         gint      ret;
 664         FILE     *fp;
 665
 666         if (!mimeview) {
 667 #if USE_GPGME
 668                 if ((fp = procmsg_open_message_decrypted(msginfo, &partinfo))
 669                     == NULL) {
 670                         alertpanel_error(_("Could not get message file."));
 671                         return NULL;
 672                 }
 673 #else
 674                 if ((fp = procmsg_open_message(msginfo)) == NULL) {
 675                         alertpanel_error(_("Could not get message file."));
 676                         return NULL;
 677                 }
 678                 partinfo = procmime_scan_mime_header(fp);
 679 #endif
 680                 fclose(fp);
 681                 if (!partinfo) {
 682                         procmime_mimeinfo_free(partinfo);
 683                         alertpanel_error(_("Could not get message part."));
 684                         return NULL;
 685                 }
 686                 filename = procmsg_get_message_file(msginfo);
 687         } else {
 688                 if (!mimeview->opened) {
 689                         alertpanel_error(_("No message part selected."));
 690                         return NULL;
 691                 }
 692                 if (!mimeview->file) {
 693                         alertpanel_error(_("No message file selected."));
 694                         return NULL;
 695                 }
 696                 partinfo = gtk_ctree_node_get_row_data
 697                                 (GTK_CTREE(mimeview->ctree),
 698                                  mimeview->opened);
 699                 g_return_val_if_fail(partinfo != NULL, cmd);
 700                 filename = mimeview->file;
 701         }
 702         partname = procmime_get_tmp_file_name(partinfo);
 703
 704         ret = procmime_get_part(partname, filename, partinfo);
 705
 706         if (!mimeview) {
 707                 procmime_mimeinfo_free(partinfo);
 708                 g_free(filename);
 709         }
 710
 711         if (ret < 0) {
 712                 alertpanel_error(_("Can't get part of multipart message"));
 713                 g_free(partname);
 714                 return NULL;
 715         }
 716
 717         cmd = g_string_append(cmd,partname);
 718
 719         g_free(partname);
 720
 721         return cmd;
 722 }
 723
 724 static void prefs_actions_set_dialog(void)
 725 {
 726         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 727         GSList *cur;
 728         gchar *action_str[1];
 729         gint row;
 730
 731         gtk_clist_freeze(clist);
 732         gtk_clist_clear(clist);
 733
 734         action_str[0] = _("(New)");
 735         row = gtk_clist_append(clist, action_str);
 736         gtk_clist_set_row_data(clist, row, NULL);
 737
 738         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 739                 gchar *action[1];
 740
 741                 action[0] = (gchar *)cur->data;
 742                 row = gtk_clist_append(clist, action);
 743                 gtk_clist_set_row_data(clist, row, action[0]);
 744         }
 745
 746         gtk_clist_thaw(clist);
 747 }
 748
 749 static void prefs_actions_set_list(void)
 750 {
 751         gint row = 1;
 752         gchar *action;
 753
 754         g_slist_free(prefs_common.actions_list);
 755         prefs_common.actions_list = NULL;
 756
 757         while ((action = (gchar *)gtk_clist_get_row_data
 758                 (GTK_CLIST(actions.actions_clist), row)) != NULL) {
 759                 prefs_common.actions_list =
 760                         g_slist_append(prefs_common.actions_list, action);
 761                 row++;
 762         }
 763 }
 764
 765 #define GET_ENTRY(entry) \
 766         entry_text = gtk_entry_get_text(GTK_ENTRY(entry))
 767
 768 static gint prefs_actions_clist_set_row(gint row)
 769 {
 770         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 771         gchar *entry_text;
 772         gint len;
 773         gchar action[PREFSBUFSIZE];
 774         gchar *buf[1];
 775
 776         g_return_val_if_fail(row != 0, -1);
 777
 778         GET_ENTRY(actions.name_entry);
 779         if (entry_text[0] == '\0') {
 780                 alertpanel_error(_("Menu name is not set."));
 781                 return -1;
 782         }
 783
 784         if (strchr(entry_text, ':')) {
 785                 alertpanel_error(_("Colon ':' is not allowed in the menu name."));
 786                 return -1;
 787         }
 788
 789         strncpy(action, entry_text, PREFSBUFSIZE - 1);
 790         g_strstrip(action);
 791
 792         /* Keep space for the ': ' delimiter */
 793         len = strlen(action) + 2;
 794         if (len >= PREFSBUFSIZE - 1) {
 795                 alertpanel_error(_("Menu name is too long."));
 796                 return -1;
 797         }
 798
 799         strcat(action, ": ");
 800
 801         GET_ENTRY(actions.cmd_entry);
 802
 803         if (entry_text[0] == '\0') {
 804                 alertpanel_error(_("Command line not set."));
 805                 return -1;
 806         }
 807
 808         if (len + strlen(entry_text) >= PREFSBUFSIZE - 1) {
 809                 alertpanel_error(_("Menu name and command are too long."));
 810                 return -1;
 811         }
 812
 813         if (get_action_type(entry_text) == ACTION_ERROR) {
 814                 alertpanel_error(_("The command\n%s\nhas a syntax error."),
 815                                  entry_text);
 816                 return -1;
 817         }
 818
 819         strcat(action, entry_text);
 820
 821         buf[0] = action;
 822         if (row < 0)
 823                 row = gtk_clist_append(clist, buf);
 824         else {
 825                 gchar *old_action;
 826                 gtk_clist_set_text(clist, row, 0, action);
 827                 old_action = (gchar *) gtk_clist_get_row_data(clist, row);
 828                 if (old_action)
 829                         g_free(old_action);
 830         }
 831
 832         buf[0] = g_strdup(action);
 833
 834         gtk_clist_set_row_data(clist, row, buf[0]);
 835
 836         prefs_actions_set_list();
 837
 838         return 0;
 839 }
 840
 841 /* callback functions */
 842
 843 static void prefs_actions_register_cb(GtkWidget *w, gpointer data)
 844 {
 845         prefs_actions_clist_set_row(-1);
 846 }
 847
 848 static void prefs_actions_substitute_cb(GtkWidget *w, gpointer data)
 849 {
 850         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 851         gchar *action;
 852         gint row;
 853
 854         if (!clist->selection) return;
 855
 856         row = GPOINTER_TO_INT(clist->selection->data);
 857         if (row == 0) return;
 858
 859         action = gtk_clist_get_row_data(clist, row);
 860         if (!action) return;
 861
 862         prefs_actions_clist_set_row(row);
 863 }
 864
 865 static void prefs_actions_delete_cb(GtkWidget *w, gpointer data)
 866 {
 867         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 868         gchar *action;
 869         gint row;
 870
 871         if (!clist->selection) return;
 872         row = GPOINTER_TO_INT(clist->selection->data);
 873         if (row == 0) return;
 874
 875         if (alertpanel(_("Delete action"),
 876                        _("Do you really want to delete this action?"),
 877                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 878                 return;
 879
 880         action = gtk_clist_get_row_data(clist, row);
 881         g_free(action);
 882         gtk_clist_remove(clist, row);
 883         prefs_common.actions_list = g_slist_remove(prefs_common.actions_list,
 884                                                    action);
 885 }
 886
 887 static void prefs_actions_up(GtkWidget *w, gpointer data)
 888 {
 889         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 890         gint row;
 891
 892         if (!clist->selection) return;
 893
 894         row = GPOINTER_TO_INT(clist->selection->data);
 895         if (row > 1)
 896                 gtk_clist_row_move(clist, row, row - 1);
 897 }
 898
 899 static void prefs_actions_down(GtkWidget *w, gpointer data)
 900 {
 901         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 902         gint row;
 903
 904         if (!clist->selection) return;
 905
 906         row = GPOINTER_TO_INT(clist->selection->data);
 907         if (row > 0 && row < clist->rows - 1)
 908                 gtk_clist_row_move(clist, row, row + 1);
 909 }
 910
 911 #define ENTRY_SET_TEXT(entry, str) \
 912         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 913
 914 static void prefs_actions_select(GtkCList *clist, gint row, gint column,
 915                                  GdkEvent *event)
 916 {
 917         gchar *action;
 918         gchar *cmd;
 919         gchar buf[PREFSBUFSIZE];
 920         action = gtk_clist_get_row_data(clist, row);
 921
 922         if (!action) {
 923                 ENTRY_SET_TEXT(actions.name_entry, "");
 924                 ENTRY_SET_TEXT(actions.cmd_entry, "");
 925                 return;
 926         }
 927
 928         strncpy(buf, action, PREFSBUFSIZE - 1);
 929         buf[PREFSBUFSIZE - 1] = 0x00;
 930         cmd = strstr(buf, ": ");
 931
 932         if (cmd && cmd[2])
 933                 ENTRY_SET_TEXT(actions.cmd_entry, &cmd[2]);
 934         else
 935                 return;
 936
 937         *cmd = 0x00;
 938         ENTRY_SET_TEXT(actions.name_entry, buf);
 939 }
 940
 941 static void prefs_actions_row_move(GtkCList *clist,
 942                                    gint source_row, gint dest_row)
 943 {
 944         prefs_actions_set_list();
 945         if (gtk_clist_row_is_visible(clist, dest_row) != GTK_VISIBILITY_FULL) {
 946                 gtk_clist_moveto(clist, dest_row, -1,
 947                                  source_row < dest_row ? 1.0 : 0.0, 0.0);
 948         }
 949 }
 950
 951 static gint prefs_actions_deleted(GtkWidget *widget, GdkEventAny *event,
 952                                   gpointer *data)
 953 {
 954         prefs_actions_cancel(widget, data);
 955         return TRUE;
 956 }
 957
 958 static void prefs_actions_key_pressed(GtkWidget *widget, GdkEventKey *event,
 959                                       gpointer data)
 960 {
 961         if (event && event->keyval == GDK_Escape)
 962                 prefs_actions_cancel(widget, data);
 963 }
 964
 965 static void prefs_actions_cancel(GtkWidget *w, gpointer data)
 966 {
 967         prefs_actions_read_config();
 968         gtk_widget_hide(actions.window);
 969         inc_unlock();
 970 }
 971
 972 static void prefs_actions_ok(GtkWidget *widget, gpointer data)
 973 {
 974         GtkItemFactory *ifactory;
 975         MainWindow *mainwin = (MainWindow *)data;
 976
 977         prefs_actions_write_config();
 978         ifactory = gtk_item_factory_from_widget(mainwin->menubar);
 979         update_mainwin_actions_menu(ifactory, mainwin);
 980         gtk_widget_hide(actions.window);
 981         inc_unlock();
 982 }
 983
 984 void update_mainwin_actions_menu(GtkItemFactory *ifactory,
 985                                  MainWindow *mainwin)
 986 {
 987         update_actions_menu(ifactory, "/Tools/Actions",
 988                             mainwin_actions_execute_cb,
 989                             mainwin);
 990 }
 991
 992 void update_compose_actions_menu(GtkItemFactory *ifactory,
 993                                  gchar *branch_path,
 994                                  Compose *compose)
 995 {
 996         update_actions_menu(ifactory, branch_path,
 997                             compose_actions_execute_cb,
 998                             compose);
 999 }
1000
1001 void actions_execute(gpointer data,
1002                      guint action_nb,
1003                      GtkWidget *widget,
1004                      gint source)
1005 {
1006         if (source == TOOLBAR_MAIN)
1007                 mainwin_actions_execute_cb((MainWindow*)data, action_nb, widget);
1008
1009         else if (source == TOOLBAR_COMPOSE)
1010                 compose_actions_execute_cb((Compose*)data, action_nb, widget);
1011 }
1012
1013
1014 static void update_actions_menu(GtkItemFactory *ifactory,
1015                                 gchar *branch_path,
1016                                 gpointer callback,
1017                                 gpointer data)
1018 {
1019         GtkWidget *menuitem;
1020         gchar *menu_path;
1021         GSList *cur;
1022         gchar *action, *action_p;
1023         GList *amenu;
1024         GtkItemFactoryEntry ifentry = {NULL, NULL, NULL, 0, "<Branch>"};
1025
1026         ifentry.path = branch_path;
1027         menuitem = gtk_item_factory_get_widget(ifactory, branch_path);
1028         g_return_if_fail(menuitem != NULL);
1029
1030         amenu = GTK_MENU_SHELL(menuitem)->children;
1031         while (amenu != NULL) {
1032                 GList *alist = amenu->next;
1033                 gtk_widget_destroy(GTK_WIDGET(amenu->data));
1034                 amenu = alist;
1035         }
1036
1037         ifentry.accelerator     = NULL;
1038         ifentry.callback_action = 0;
1039         ifentry.callback        = callback;
1040         ifentry.item_type       = NULL;
1041
1042         for (cur = prefs_common.actions_list; cur; cur = cur->next) {
1043                 action   = g_strdup((gchar *)cur->data);
1044                 action_p = strstr(action, ": ");
1045                 if (action_p && action_p[2] &&
1046                     get_action_type(&action_p[2]) != ACTION_ERROR) {
1047                         action_p[0] = 0x00;
1048                         menu_path = g_strdup_printf("%s/%s", branch_path,
1049                                                     action);
1050                         ifentry.path = menu_path;
1051                         gtk_item_factory_create_item(ifactory, &ifentry, data,
1052                                                      1);
1053                         g_free(menu_path);
1054                 }
1055                 g_free(action);
1056                 ifentry.callback_action++;
1057         }
1058 }
1059
1060 static void compose_actions_execute_cb(Compose *compose, guint action_nb,
1061                                        GtkWidget *widget)
1062 {
1063         gchar *buf, *action;
1064         guint action_type;
1065
1066         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1067
1068         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1069         g_return_if_fail(buf != NULL);
1070         action = strstr(buf, ": ");
1071         g_return_if_fail(action != NULL);
1072
1073         /* Point to the beginning of the command-line */
1074         action += 2;
1075
1076         action_type = get_action_type(action);
1077         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
1078                 alertpanel_warning
1079                         (_("The selected action cannot be used in the compose window\n"
1080                            "because it contains %%f, %%F or %%p."));
1081                 return;
1082         }
1083
1084         execute_actions(action, compose->window, NULL, compose->text, NULL);
1085 }
1086
1087 static void mainwin_actions_execute_cb(MainWindow *mainwin, guint action_nb,
1088                                        GtkWidget *widget)
1089 {
1090         MessageView *messageview = mainwin->messageview;
1091         GtkWidget   *text = NULL;
1092         gchar       *buf,
1093                     *action;
1094         MimeView    *mimeview = NULL;
1095
1096         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1097
1098         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1099
1100         g_return_if_fail(buf);
1101         g_return_if_fail(action = strstr(buf, ": "));
1102
1103         /* Point to the beginning of the command-line */
1104         action += 2;
1105
1106         switch (messageview->type) {
1107         case MVIEW_TEXT:
1108                 if (messageview->textview && messageview->textview->text)
1109                         text = messageview->textview->text;
1110                 break;
1111         case MVIEW_MIME:
1112                 if (messageview->mimeview &&
1113                     messageview->mimeview->type == MIMEVIEW_TEXT &&
1114                     messageview->mimeview->textview &&
1115                     messageview->mimeview->textview->text) {
1116                         text = messageview->mimeview->textview->text;
1117                         mimeview = messageview->mimeview;
1118                 }
1119                 break;
1120         }
1121
1122         execute_actions(action, mainwin->window,
1123                         GTK_CTREE(mainwin->summaryview->ctree), text, mimeview);
1124 }
1125
1126 static gboolean execute_actions(gchar *action, GtkWidget *window,
1127                                 GtkCTree *ctree, GtkWidget *text,
1128                                 MimeView *mimeview)
1129 {
1130         GList *cur, *selection = NULL;
1131         GSList *children_list = NULL;
1132         gint is_ok  = TRUE;
1133         gint selection_len = 0;
1134         Children *children;
1135         ChildInfo *child_info;
1136         gint action_type;
1137         MsgInfo *msginfo;
1138         gchar *cmd;
1139
1140         g_return_val_if_fail(action && *action, FALSE);
1141
1142         action_type = get_action_type(action);
1143
1144         if (action_type == ACTION_ERROR)
1145                 return FALSE;         /* ERR: syntax error */
1146
1147         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) &&
1148             !(ctree && GTK_CLIST(ctree)->selection))
1149                 return FALSE;         /* ERR: file command without selection */
1150
1151         if (ctree) {
1152                 selection = GTK_CLIST(ctree)->selection;
1153                 selection_len = g_list_length(selection);
1154         }
1155
1156         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN)) {
1157                 if (ctree && selection_len > 1)
1158                         return FALSE; /* ERR: pipe + multiple selection */
1159                 if (!text)
1160                         return FALSE; /* ERR: pipe and no displayed text */
1161         }
1162
1163         children = g_new0(Children, 1);
1164
1165         if (action_type & ACTION_SINGLE) {
1166                 for (cur = selection; cur && is_ok == TRUE; cur = cur->next) {
1167                         msginfo = gtk_ctree_node_get_row_data(ctree,
1168                                         GTK_CTREE_NODE(cur->data));
1169                         if (!msginfo) {
1170                                 is_ok  = FALSE; /* ERR: msginfo missing */
1171                                 break;
1172                         }
1173                         cmd = parse_action_cmd(action, msginfo, ctree,
1174                                                mimeview);
1175                         if (!cmd) {
1176                                 debug_print("Action command error\n");
1177                                 is_ok  = FALSE; /* ERR: incorrect command */
1178                                 break;
1179                         }
1180                         if ((child_info = fork_child(cmd, action_type, text,
1181                                                      children))) {
1182                                 children_list = g_slist_append(children_list,
1183                                                                child_info);
1184                                 children->open_in = (selection_len == 1) ?
1185                                                     (action_type &
1186                                                      (ACTION_OPEN_IN |
1187                                                       ACTION_HIDE_IN)) : 0;
1188                         }
1189                         g_free(cmd);
1190                 }
1191         } else {
1192                 cmd = parse_action_cmd(action, NULL, ctree, mimeview);
1193                 if (cmd) {
1194                         if ((child_info = fork_child(cmd, action_type, text,
1195                                                      children))) {
1196                                 children_list = g_slist_append(children_list,
1197                                                                child_info);
1198                                 children->open_in = action_type &
1199                                                     (ACTION_OPEN_IN |
1200                                                      ACTION_HIDE_IN);
1201                         }
1202                         g_free(cmd);
1203                 } else
1204                         is_ok  = FALSE;         /* ERR: incorrect command */
1205         }
1206
1207         if (!children_list) {
1208                  /* If not waiting for children, return */
1209                 g_free(children);
1210         } else {
1211                 GSList *cur;
1212
1213                 children->action  = g_strdup(action);
1214                 children->window  = window;
1215                 children->dialog  = NULL;
1216                 children->list    = children_list;
1217                 children->nb      = g_slist_length(children_list);
1218
1219                 for (cur = children_list; cur; cur = cur->next) {
1220                         child_info = (ChildInfo *) cur->data;
1221                         child_info->tag_status =
1222                                 gdk_input_add(child_info->chld_status,
1223                                               GDK_INPUT_READ,
1224                                               catch_status, child_info);
1225                 }
1226
1227                 create_io_dialog(children);
1228         }
1229
1230         return is_ok;
1231 }
1232
1233 ChildInfo *fork_child(gchar *cmd, gint action_type, GtkWidget *text,
1234                       Children *children)
1235 {
1236         gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
1237         gchar *cmdline[4];
1238         gint start, end, is_selection;
1239         gchar *selection;
1240         pid_t pid, gch_pid;
1241         ChildInfo *child_info;
1242         gint sync;
1243
1244         sync = !(action_type & ACTION_ASYNC);
1245
1246         chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
1247                 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
1248
1249         if (sync) {
1250                 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
1251                     pipe(chld_err)) {
1252                         alertpanel_error(_("Command could not be started. "
1253                                            "Pipe creation failed.\n%s"),
1254                                         g_strerror(errno));
1255                         /* Closing fd = -1 fails silently */
1256                         close(chld_in[0]);
1257                         close(chld_in[1]);
1258                         close(chld_out[0]);
1259                         close(chld_out[1]);
1260                         close(chld_err[0]);
1261                         close(chld_err[1]);
1262                         close(chld_status[0]);
1263                         close(chld_status[1]);
1264                         return NULL; /* Pipe error */
1265                 }
1266         }
1267
1268         debug_print("Forking child and grandchild.\n");
1269
1270         pid = fork();
1271         if (pid == 0) { /* Child */
1272                 if (setpgid(0, 0))
1273                         perror("setpgid");
1274
1275                 close(ConnectionNumber(gdk_display));
1276
1277                 gch_pid = fork();
1278
1279                 if (gch_pid == 0) {
1280                         if (setpgid(0, getppid()))
1281                                 perror("setpgid");
1282                         if (sync) {
1283                                 if (action_type &
1284                                     (ACTION_PIPE_IN |
1285                                      ACTION_OPEN_IN |
1286                                      ACTION_HIDE_IN)) {
1287                                         close(fileno(stdin));
1288                                         dup  (chld_in[0]);
1289                                 }
1290                                 close(chld_in[0]);
1291                                 close(chld_in[1]);
1292
1293                                 close(fileno(stdout));
1294                                 dup  (chld_out[1]);
1295                                 close(chld_out[0]);
1296                                 close(chld_out[1]);
1297
1298                                 close(fileno(stderr));
1299                                 dup  (chld_err[1]);
1300                                 close(chld_err[0]);
1301                                 close(chld_err[1]);
1302                         }
1303
1304                         cmdline[0] = "sh";
1305                         cmdline[1] = "-c";
1306                         cmdline[2] = cmd;
1307                         cmdline[3] = 0;
1308                         execvp("/bin/sh", cmdline);
1309
1310                         perror("execvp");
1311                         _exit(1);
1312                 } else if (gch_pid < (pid_t) 0) { /* Fork error */
1313                         if (sync)
1314                                 write(chld_status[1], "1\n", 2);
1315                         perror("fork");
1316                         _exit(1);
1317                 } else {/* Child */
1318                         if (sync) {
1319                                 close(chld_in[0]);
1320                                 close(chld_in[1]);
1321                                 close(chld_out[0]);
1322                                 close(chld_out[1]);
1323                                 close(chld_err[0]);
1324                                 close(chld_err[1]);
1325                                 close(chld_status[0]);
1326                         }
1327
1328                         debug_print("Child: Waiting for grandchild\n");
1329                         waitpid(gch_pid, NULL, 0);
1330                         debug_print("Child: grandchild ended\n");
1331                         if (sync) {
1332                                 write(chld_status[1], "0\n", 2);
1333                                 close(chld_status[1]);
1334                         }
1335                         _exit(0);
1336                 }
1337         } else if (pid < 0) { /* Fork error */
1338                 alertpanel_error(_("Could not fork to execute the following "
1339                                    "command:\n%s\n%s"),
1340                                  cmd, g_strerror(errno));
1341                 return NULL;
1342         }
1343
1344         /* Parent */
1345
1346         if (!sync)
1347                 return NULL;
1348
1349         close(chld_in[0]);
1350         if (!(action_type & (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN)))
1351                 close(chld_in[1]);
1352         close(chld_out[1]);
1353         close(chld_err[1]);
1354         close(chld_status[1]);
1355
1356         child_info = g_new0(ChildInfo, 1);
1357
1358         child_info->children    = children;
1359
1360         child_info->pid         = pid;
1361         child_info->cmd         = g_strdup(cmd);
1362         child_info->type        = action_type;
1363         child_info->new_out     = FALSE;
1364         child_info->output      = g_string_sized_new(0);
1365         child_info->chld_in     =
1366                 (action_type &
1367                  (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN))
1368                         ? chld_in [1] : -1;
1369         child_info->chld_out    = chld_out[0];
1370         child_info->chld_err    = chld_err[0];
1371         child_info->chld_status = chld_status[0];
1372         child_info->tag_in      = -1;
1373         child_info->tag_out     = gdk_input_add(chld_out[0], GDK_INPUT_READ,
1374                                                 catch_output, child_info);
1375         child_info->tag_err     = gdk_input_add(chld_err[0], GDK_INPUT_READ,
1376                                                 catch_output, child_info);
1377
1378         if (!(action_type & (ACTION_PIPE_IN | ACTION_PIPE_OUT)))
1379                 return child_info;
1380
1381         child_info->text        = text;
1382
1383         start = 0;
1384         end   = gtk_stext_get_length(GTK_STEXT(text));
1385
1386         if (GTK_EDITABLE(text)->has_selection) {
1387                 start = GTK_EDITABLE(text)->selection_start_pos;
1388                 end   = GTK_EDITABLE(text)->selection_end_pos;
1389                 if (start > end) {
1390                         gint tmp;
1391                         tmp = start;
1392                         start = end;
1393                         end = tmp;
1394                 }
1395                 is_selection = TRUE;
1396                 if (start == end) {
1397                         start = 0;
1398                         end = gtk_stext_get_length(GTK_STEXT(text));
1399                         is_selection = FALSE;
1400                 }
1401         }
1402
1403         selection = gtk_editable_get_chars(GTK_EDITABLE(text), start, end);
1404
1405         if (action_type & ACTION_PIPE_IN) {
1406                 write(chld_in[1], selection, strlen(selection));
1407                 if (!(action_type & (ACTION_OPEN_IN | ACTION_HIDE_IN)))
1408                         close(chld_in[1]);
1409                 child_info->chld_in = -1; /* No more input */
1410         }
1411         g_free(selection);
1412
1413         gtk_stext_freeze(GTK_STEXT(text));
1414         if (action_type & ACTION_PIPE_OUT) {
1415                 gtk_stext_set_point(GTK_STEXT(text), start);
1416                 gtk_stext_forward_delete(GTK_STEXT(text), end - start);
1417         }
1418
1419         gtk_stext_thaw(GTK_STEXT(text));
1420
1421         return child_info;
1422 }
1423
1424 static void kill_children_cb(GtkWidget *widget, gpointer data)
1425 {
1426         GSList *cur;
1427         Children *children = (Children *) data;
1428         ChildInfo *child_info;
1429
1430         for (cur = children->list; cur; cur = cur->next) {
1431                 child_info = (ChildInfo *)(cur->data);
1432                 debug_print("Killing child group id %d\n", child_info->pid);
1433                 if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
1434                         perror("kill");
1435         }
1436 }
1437
1438 static gint wait_for_children(gpointer data)
1439 {
1440         gboolean new_output;
1441         Children *children = (Children *)data;
1442         ChildInfo *child_info;
1443         GSList *cur;
1444         gint nb = children->nb;
1445
1446         children->nb = 0;
1447
1448         cur = children->list;
1449         new_output = FALSE;
1450         while (cur) {
1451                 child_info = (ChildInfo *)cur->data;
1452                 if (child_info->pid)
1453                         children->nb++;
1454                 new_output |= child_info->new_out;
1455                 cur = cur->next;
1456         }
1457
1458         children->output |= new_output;
1459
1460         if (new_output || (children->dialog && (nb != children->nb)))
1461                 update_io_dialog(children);
1462
1463         if (children->nb)
1464                 return FALSE;
1465
1466         if (!children->dialog) {
1467                 free_children(children);
1468         } else if (!children->output) {
1469                 gtk_widget_destroy(children->dialog);
1470         }
1471
1472         return FALSE;
1473 }
1474
1475 static void send_input(GtkWidget *w, gpointer data)
1476 {
1477         Children *children = (Children *) data;
1478         ChildInfo *child_info = (ChildInfo *) children->list->data;
1479
1480         child_info->tag_in = gdk_input_add(child_info->chld_in,
1481                                            GDK_INPUT_WRITE,
1482                                            catch_input, children);
1483         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1484 }
1485
1486 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1487 {
1488         hide_io_dialog_cb(w, data);
1489         return TRUE;
1490 }
1491
1492 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1493 {
1494
1495         Children *children = (Children *)data;
1496
1497         if (!children->nb) {
1498                 gtk_signal_disconnect_by_data(GTK_OBJECT(children->dialog),
1499                                               children);
1500                 gtk_widget_destroy(children->dialog);
1501                 free_children(children);
1502         }
1503 }
1504
1505 static void childinfo_close_pipes(ChildInfo *child_info)
1506 {
1507         if (child_info->tag_in > 0)
1508                 gdk_input_remove(child_info->tag_in);
1509         gdk_input_remove(child_info->tag_out);
1510         gdk_input_remove(child_info->tag_err);
1511
1512         if (child_info->chld_in >= 0)
1513                 close(child_info->chld_in);
1514         close(child_info->chld_out);
1515         close(child_info->chld_err);
1516         close(child_info->chld_status);
1517 }
1518
1519 static void free_children(Children *children)
1520 {
1521         GSList *cur;
1522         ChildInfo *child_info;
1523
1524         debug_print("Freeing children data %p\n", children);
1525
1526         g_free(children->action);
1527         for (cur = children->list; cur;) {
1528                 child_info = (ChildInfo *)cur->data;
1529                 g_free(child_info->cmd);
1530                 g_string_free(child_info->output, TRUE);
1531                 children->list = g_slist_remove(children->list, child_info);
1532                 g_free(child_info);
1533                 cur = children->list;
1534         }
1535         g_free(children);
1536 }
1537
1538 static void update_io_dialog(Children *children)
1539 {
1540         GSList *cur;
1541
1542         debug_print("Updating actions input/output dialog.\n");
1543
1544         if (!children->nb) {
1545                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1546                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1547                 if (children->input_hbox)
1548                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1549         }
1550
1551         if (children->output) {
1552                 GtkWidget *text = children->text;
1553                 gchar *caption;
1554                 ChildInfo *child_info;
1555
1556                 gtk_widget_show(children->scrolledwin);
1557                 gtk_text_freeze(GTK_TEXT(text));
1558                 gtk_text_set_point(GTK_TEXT(text), 0);
1559                 gtk_text_forward_delete(GTK_TEXT(text),
1560                                         gtk_text_get_length(GTK_TEXT(text)));
1561                 for (cur = children->list; cur; cur = cur->next) {
1562                         child_info = (ChildInfo *)cur->data;
1563                         if (child_info->pid)
1564                                 caption = g_strdup_printf
1565                                         (_("--- Running: %s\n"),
1566                                          child_info->cmd);
1567                         else
1568                                 caption = g_strdup_printf
1569                                         (_("--- Ended: %s\n"),
1570                                          child_info->cmd);
1571
1572                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1573                                         caption, -1);
1574                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1575                                         child_info->output->str, -1);
1576                         g_free(caption);
1577                         child_info->new_out = FALSE;
1578                 }
1579                 gtk_text_thaw(GTK_TEXT(text));
1580         }
1581 }
1582
1583 static void create_io_dialog(Children *children)
1584 {
1585         GtkWidget *dialog;
1586         GtkWidget *vbox;
1587         GtkWidget *entry = NULL;
1588         GtkWidget *input_hbox = NULL;
1589         GtkWidget *send_button;
1590         GtkWidget *label;
1591         GtkWidget *text;
1592         GtkWidget *scrolledwin;
1593         GtkWidget *hbox;
1594         GtkWidget *abort_button;
1595         GtkWidget *close_button;
1596
1597         debug_print("Creating action IO dialog\n");
1598
1599         dialog = gtk_dialog_new();
1600         gtk_container_set_border_width
1601                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
1602         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1603         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1604         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1605         manage_window_set_transient(GTK_WINDOW(dialog));
1606         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
1607                         GTK_SIGNAL_FUNC(delete_io_dialog_cb), children);
1608         gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
1609                         GTK_SIGNAL_FUNC(hide_io_dialog_cb),
1610                         children);
1611
1612         vbox = gtk_vbox_new(FALSE, 8);
1613         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
1614         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1615         gtk_widget_show(vbox);
1616
1617         label = gtk_label_new(children->action);
1618         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1619         gtk_widget_show(label);
1620
1621         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1622         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1623                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
1624         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1625         gtk_widget_set_usize(scrolledwin, 480, 200);
1626         gtk_widget_hide(scrolledwin);
1627
1628         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
1629                             (GTK_SCROLLED_WINDOW(scrolledwin)),
1630                             gtk_scrolled_window_get_vadjustment
1631                             (GTK_SCROLLED_WINDOW(scrolledwin)));
1632         gtk_text_set_editable(GTK_TEXT(text), FALSE);
1633         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1634         gtk_widget_show(text);
1635
1636         if (children->open_in) {
1637                 input_hbox = gtk_hbox_new(FALSE, 8);
1638                 gtk_widget_show(input_hbox);
1639
1640                 entry = gtk_entry_new();
1641                 gtk_widget_set_usize(entry, 320, -1);
1642                 gtk_signal_connect(GTK_OBJECT(entry), "activate",
1643                                    GTK_SIGNAL_FUNC(send_input), children);
1644                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1645                 if (children->open_in & ACTION_HIDE_IN)
1646                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1647                 gtk_widget_show(entry);
1648
1649                 send_button = gtk_button_new_with_label(_(" Send "));
1650                 gtk_signal_connect(GTK_OBJECT(send_button), "clicked",
1651                                    GTK_SIGNAL_FUNC(send_input), children);
1652                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1653                                    FALSE, 0);
1654                 gtk_widget_show(send_button);
1655
1656                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1657                 gtk_widget_grab_focus(entry);
1658         }
1659
1660         gtkut_button_set_create(&hbox, &abort_button, _("Abort"),
1661                                 &close_button, _("Close"), NULL, NULL);
1662         gtk_signal_connect(GTK_OBJECT(abort_button), "clicked",
1663                         GTK_SIGNAL_FUNC(kill_children_cb), children);
1664         gtk_signal_connect(GTK_OBJECT(close_button), "clicked",
1665                         GTK_SIGNAL_FUNC(hide_io_dialog_cb), children);
1666         gtk_widget_show(hbox);
1667
1668         if (children->nb)
1669                 gtk_widget_set_sensitive(close_button, FALSE);
1670
1671         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1672
1673         children->dialog      = dialog;
1674         children->scrolledwin = scrolledwin;
1675         children->text        = text;
1676         children->input_hbox  = children->open_in ? input_hbox : NULL;
1677         children->input_entry = children->open_in ? entry : NULL;
1678         children->abort_btn   = abort_button;
1679         children->close_btn   = close_button;
1680
1681         gtk_widget_show(dialog);
1682 }
1683
1684 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1685 {
1686         ChildInfo *child_info = (ChildInfo *)data;
1687         gchar buf;
1688         gint c;
1689
1690         gdk_input_remove(child_info->tag_status);
1691
1692         c = read(source, &buf, 1);
1693         debug_print("Child returned %c\n", buf);
1694
1695         waitpid(-child_info->pid, NULL, 0);
1696         childinfo_close_pipes(child_info);
1697         child_info->pid = 0;
1698
1699         wait_for_children(child_info->children);
1700 }
1701
1702 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1703 {
1704         Children *children = (Children *)data;
1705         ChildInfo *child_info = (ChildInfo *)children->list->data;
1706         gchar *input;
1707         gint c;
1708
1709         debug_print("Sending input to grand child.\n");
1710         if (!(cond && GDK_INPUT_WRITE))
1711                 return;
1712
1713         gdk_input_remove(child_info->tag_in);
1714         child_info->tag_in = -1;
1715
1716         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1717                                        0, -1);
1718         c = write(child_info->chld_in, input, strlen(input));
1719
1720         g_free(input);
1721
1722         write(child_info->chld_in, "\n", 2);
1723
1724         gtk_entry_set_text(GTK_ENTRY(children->input_entry), "");
1725         gtk_widget_set_sensitive(children->input_hbox, TRUE);
1726         debug_print("Input to grand child sent.\n");
1727 }
1728
1729 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1730 {
1731         ChildInfo *child_info = (ChildInfo *)data;
1732         gint c, i;
1733         gchar buf[PREFSBUFSIZE];
1734
1735         debug_print("Catching grand child's output.\n");
1736         if (child_info->type & ACTION_PIPE_OUT
1737             && source == child_info->chld_out) {
1738                 gboolean is_selection = FALSE;
1739                 GtkWidget *text = child_info->text;
1740                 if (GTK_EDITABLE(text)->has_selection)
1741                         is_selection = TRUE;
1742                 gtk_stext_freeze(GTK_STEXT(text));
1743                 while (TRUE) {
1744                         c = read(source, buf, PREFSBUFSIZE - 1);
1745                         if (c == 0)
1746                                 break;
1747                         gtk_stext_insert(GTK_STEXT(text), NULL, NULL, NULL,
1748                                          buf, c);
1749                 }
1750                 if (is_selection) {
1751                         /* Using the select_region draws things. Should not.
1752                          * so we just change selection position and
1753                          * defere drawing when thawing. Hack?
1754                          */
1755                         GTK_EDITABLE(text)->selection_end_pos =
1756                                         gtk_stext_get_point(GTK_STEXT(text));
1757                 }
1758                 gtk_stext_thaw(GTK_STEXT(child_info->text));
1759         } else {
1760                 c = read(source, buf, PREFSBUFSIZE - 1);
1761                 for (i = 0; i < c; i++)
1762                         child_info->output = g_string_append_c
1763                                 (child_info->output, buf[i]);
1764                 if (c > 0)
1765                         child_info->new_out = TRUE;
1766         }
1767 }