src/action.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2021 the Claws Mail Team and 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 3 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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.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 "msgcache.h"
  55 #include "textview.h"
  56 #include "matcher_parser.h" /* CLAWS */
  57 #include "filtering.h"
  58 #include "procheader.h"
  59
  60 #ifdef G_OS_WIN32
  61 #include <windows.h>
  62 #endif
  63
  64 typedef struct _Children                Children;
  65 typedef struct _ChildInfo               ChildInfo;
  66 typedef struct _UserStringDialog        UserStringDialog;
  67
  68 struct _Children
  69 {
  70         GtkWidget       *dialog;
  71         GtkWidget       *text;
  72         GtkWidget       *input_entry;
  73         GtkWidget       *input_hbox;
  74         GtkWidget       *progress_bar;
  75         GtkWidget       *abort_btn;
  76         GtkWidget       *close_btn;
  77         GtkWidget       *scrolledwin;
  78
  79         gchar           *action;
  80         ActionType       action_type;
  81         GSList          *list;
  82         gint             nb;
  83         gint             initial_nb;
  84         gint             open_in;
  85         gboolean         output;
  86
  87         GtkWidget       *msg_text;
  88
  89         gboolean         is_selection;
  90 };
  91
  92 struct _ChildInfo
  93 {
  94         Children        *children;
  95         gchar           *cmd;
  96         GPid             pid;
  97         gint             next_sig;
  98         gint             chld_in;
  99         gint             chld_out;
 100         gint             chld_err;
 101         gint             tag_in;
 102         gint             tag_out;
 103         gint             tag_err;
 104         gint             tag_status;
 105         gint             new_out;
 106
 107         GString         *output;
 108         void (*callback)(void *data);
 109         void *data;
 110
 111         GSList          *msginfo_list;
 112 };
 113
 114 static void action_update_menu          (GtkUIManager   *ui_manager,
 115                                          const gchar    *accel_group,
 116                                          gchar          *branch_path,
 117                                          gpointer        callback,
 118                                          gpointer        data);
 119 static void compose_actions_execute_cb  (GtkWidget      *widget,
 120                                          gpointer        data);
 121 static void compose_actions_execute     (Compose        *compose,
 122                                          guint           action_nb,
 123                                          GtkWidget      *widget);
 124
 125 static void mainwin_actions_execute_cb  (GtkWidget      *widget,
 126                                          gpointer        data);
 127 static void mainwin_actions_execute     (MainWindow     *mainwin,
 128                                          guint           action_nb,
 129                                          GtkWidget      *widget);
 130
 131 static void msgview_actions_execute_cb  (GtkWidget      *widget,
 132                                          gpointer        data);
 133 static void msgview_actions_execute     (MessageView    *msgview,
 134                                          guint           action_nb,
 135                                          GtkWidget      *widget);
 136
 137 static void message_actions_execute     (MessageView    *msgview,
 138                                          guint           action_nb,
 139                                          GSList         *msg_list);
 140
 141 static gboolean execute_filtering_actions(gchar         *action,
 142                                           GSList        *msglist);
 143
 144 static gboolean execute_actions         (gchar          *action,
 145                                          GSList         *msg_list,
 146                                          GtkWidget      *text,
 147                                          gint            body_pos,
 148                                          MimeInfo       *partinfo,
 149                                          void (*callback)(void *data),
 150                                          void *data);
 151
 152 static gchar *parse_action_cmd          (gchar          *action,
 153                                          MsgInfo        *msginfo,
 154                                          GSList         *msg_list,
 155                                          MimeInfo       *partinfo,
 156                                          const gchar    *user_str,
 157                                          const gchar    *user_hidden_str,
 158                                          const gchar    *sel_str);
 159 static gboolean parse_append_filename   (GString        *cmd,
 160                                          MsgInfo        *msginfo);
 161
 162 static gboolean parse_append_msgpart    (GString        *cmd,
 163                                          MsgInfo        *msginfo,
 164                                          MimeInfo       *partinfo);
 165
 166 static ChildInfo *fork_child            (gchar          *cmd,
 167                                          const gchar    *msg_str,
 168                                          Children       *children);
 169
 170 static gint wait_for_children           (Children       *children);
 171
 172 static void free_children               (Children       *children);
 173
 174 static void childinfo_close_pipes       (ChildInfo      *child_info);
 175
 176 static void create_io_dialog            (Children       *children);
 177 static void update_io_dialog            (Children       *children);
 178
 179 static void hide_io_dialog_cb           (GtkWidget      *widget,
 180                                          gpointer        data);
 181 static gint io_dialog_key_pressed_cb    (GtkWidget      *widget,
 182                                          GdkEventKey    *event,
 183                                          gpointer        data);
 184
 185 static void catch_output                (gpointer                data,
 186                                          gint                    source,
 187                                          GIOCondition            cond);
 188 static void catch_input                 (gpointer                data,
 189                                          gint                    source,
 190                                          GIOCondition            cond);
 191 static void catch_status                (GPid pid, gint status, gpointer data);
 192
 193 static gchar *get_user_string           (const gchar    *action,
 194                                          ActionType      type);
 195
 196
 197 ActionType action_get_type(const gchar *action_str)
 198 {
 199         const gchar *p;
 200         gboolean in_filtering_action = FALSE;
 201         ActionType action_type = ACTION_NONE;
 202
 203         cm_return_val_if_fail(action_str,  ACTION_ERROR);
 204         cm_return_val_if_fail(*action_str, ACTION_ERROR);
 205
 206         p = action_str;
 207
 208         if (p[0] == '|') {
 209                 action_type |= ACTION_PIPE_IN;
 210                 p++;
 211         } else if (p[0] == '>') {
 212                 action_type |= ACTION_USER_IN;
 213                 p++;
 214         } else if (p[0] == '*') {
 215                 action_type |= ACTION_USER_HIDDEN_IN;
 216                 p++;
 217         }
 218
 219         if (p[0] == '\0')
 220                 return ACTION_ERROR;
 221
 222         while (*p && action_type != ACTION_ERROR) {
 223                 if (!in_filtering_action) {
 224                         if (p[0] == '%' && p[1]) {
 225                                 switch (p[1]) {
 226                                 case 'a':
 227                                         /* CLAWS: filtering action is a mutually exclusive
 228                                         * action. we can enable others if needed later. we
 229                                         * add ACTION_SINGLE | ACTION_MULTIPLE so it will
 230                                         * only be executed from the main window toolbar */
 231                                         if (p[2] == 's')  /* source messages */
 232                                                 action_type = ACTION_FILTERING_ACTION
 233                                                                 | ACTION_SINGLE
 234                                                                 | ACTION_MULTIPLE;
 235                                         in_filtering_action = TRUE;
 236                                         break;
 237                                 case 'f':
 238                                         action_type |= ACTION_SINGLE;
 239                                         break;
 240                                 case 'F':
 241                                         action_type |= ACTION_MULTIPLE;
 242                                         break;
 243                                 case 'p':
 244                                         action_type |= ACTION_SINGLE;
 245                                         break;
 246                                 case 's':
 247                                         action_type |= ACTION_SELECTION_STR;
 248                                         break;
 249                                 case 'u':
 250                                         action_type |= ACTION_USER_STR;
 251                                         break;
 252                                 case 'h':
 253                                         action_type |= ACTION_USER_HIDDEN_STR;
 254                                         break;
 255                                 case '%':
 256                                         /* literal '%' */
 257                                         break;
 258                                 default:
 259                                         action_type = ACTION_ERROR;
 260                                         break;
 261                                 }
 262                                 p++;
 263                         } else if (p[0] == '|') {
 264                                 if (p[1] == '\0')
 265                                         action_type |= ACTION_PIPE_OUT;
 266                         } else if (p[0] == '>') {
 267                                 if (p[1] == '\0')
 268                                         action_type |= ACTION_INSERT;
 269                         } else if (p[0] == '&') {
 270                                 if (p[1] == '\0')
 271                                         action_type |= ACTION_ASYNC;
 272                         } else if (p[0] == '}') {
 273                                 in_filtering_action = FALSE;
 274                         }
 275                 }
 276                         p++;
 277         }
 278
 279         return action_type;
 280 }
 281
 282 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 283                                GSList *msg_list, MimeInfo *partinfo,
 284                                const gchar *user_str,
 285                                const gchar *user_hidden_str,
 286                                const gchar *sel_str)
 287 {
 288         GString *cmd;
 289         gchar *p;
 290         GSList *cur;
 291
 292         p = action;
 293
 294         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 295                 p++;
 296
 297         cmd = g_string_sized_new(strlen(action));
 298
 299         while (p[0] &&
 300                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
 301                 if (p[0] == '%' && p[1]) {
 302                         switch (p[1]) {
 303                         case 'f':
 304                                 if (!parse_append_filename(cmd, msginfo)) {
 305                                         g_string_free(cmd, TRUE);
 306                                         return NULL;
 307                                 }
 308                                 p++;
 309                                 break;
 310                         case 'F':
 311                                 for (cur = msg_list; cur != NULL;
 312                                      cur = cur->next) {
 313                                         MsgInfo *msg = (MsgInfo *)cur->data;
 314
 315                                         if (!parse_append_filename(cmd, msg)) {
 316                                                 g_string_free(cmd, TRUE);
 317                                                 return NULL;
 318                                         }
 319                                         if (cur->next)
 320                                                 g_string_append_c(cmd, ' ');
 321                                 }
 322                                 p++;
 323                                 break;
 324                         case 'p':
 325                                 if (!parse_append_msgpart(cmd, msginfo,
 326                                                           partinfo)) {
 327                                         g_string_free(cmd, TRUE);
 328                                         return NULL;
 329                                 }
 330                                 p++;
 331                                 break;
 332                         case 's':
 333                                 if (sel_str)
 334                                         g_string_append(cmd, sel_str);
 335                                 p++;
 336                                 break;
 337                         case 'u':
 338                                 if (user_str)
 339                                         g_string_append(cmd, user_str);
 340                                 p++;
 341                                 break;
 342                         case 'h':
 343                                 if (user_hidden_str)
 344                                         g_string_append(cmd, user_hidden_str);
 345                                 p++;
 346                                 break;
 347                         case '%':
 348                                 g_string_append_c(cmd, p[1]);
 349                                 p++;
 350                                 break;
 351                         default:
 352                                 g_string_append_c(cmd, p[0]);
 353                                 g_string_append_c(cmd, p[1]);
 354                                 p++;
 355                         }
 356                 } else {
 357                         g_string_append_c(cmd, p[0]);
 358                 }
 359                 p++;
 360         }
 361         if (cmd->len == 0) {
 362                 g_string_free(cmd, TRUE);
 363                 return NULL;
 364         }
 365
 366         p = cmd->str;
 367         g_string_free(cmd, FALSE);
 368         return p;
 369 }
 370
 371 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
 372 {
 373         gchar *filename;
 374
 375         cm_return_val_if_fail(msginfo, FALSE);
 376
 377         filename = procmsg_get_message_file(msginfo);
 378
 379         if (!filename) {
 380                 alertpanel_error(_("Could not get message file %d"),
 381                                  msginfo->msgnum);
 382                 return FALSE;
 383         }
 384
 385         g_string_append(cmd, "\"");
 386 #ifdef G_OS_UNIX
 387         gchar *p = filename, *q;
 388         gchar escape_ch[] = "\\ ";
 389         while ((q = strpbrk(p, "$\"`\\~")) != NULL) {
 390                 escape_ch[1] = *q;
 391                 *q = '\0';
 392                 g_string_append(cmd, p);
 393                 g_string_append(cmd, escape_ch);
 394                 p = q + 1;
 395         }
 396
 397         g_string_append(cmd, p);
 398 #else
 399         g_string_append(cmd, filename);
 400 #endif
 401         g_string_append(cmd, "\"");
 402         g_free(filename);
 403
 404         return TRUE;
 405 }
 406
 407 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 408                                      MimeInfo *partinfo)
 409 {
 410         gboolean single_part = FALSE;
 411         gchar *filename;
 412         gchar *part_filename;
 413         gint ret;
 414
 415         if (!partinfo) {
 416                 partinfo = procmime_scan_message(msginfo);
 417                 if (!partinfo) {
 418                         alertpanel_error(_("Could not get message part."));
 419                         return FALSE;
 420                 }
 421
 422                 single_part = TRUE;
 423         }
 424
 425         filename = procmsg_get_message_file_path(msginfo);
 426         part_filename = procmime_get_tmp_file_name(partinfo);
 427
 428         ret = procmime_get_part(part_filename, partinfo);
 429
 430         if (single_part)
 431                 procmime_mimeinfo_free_all(&partinfo);
 432         g_free(filename);
 433
 434         if (ret < 0) {
 435                 alertpanel_error(_("Can't get part of multipart message: %s"), g_strerror(-ret));
 436                 g_free(part_filename);
 437                 return FALSE;
 438         }
 439
 440         g_string_append(cmd, part_filename);
 441
 442         g_free(part_filename);
 443
 444         return TRUE;
 445 }
 446
 447 void actions_execute(gpointer data,
 448                      guint action_nb,
 449                      GtkWidget *widget,
 450                      gint source)
 451 {
 452         if (source == TOOLBAR_MAIN)
 453                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
 454         else if (source == TOOLBAR_COMPOSE)
 455                 compose_actions_execute((Compose*)data, action_nb, widget);
 456         else if (source == TOOLBAR_MSGVIEW)
 457                 msgview_actions_execute((MessageView*)data, action_nb, widget);
 458 }
 459
 460 void action_update_mainwin_menu(GtkUIManager *ui_manager,
 461                                 gchar *branch_path,
 462                                 MainWindow *mainwin)
 463 {
 464         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
 465                            mainwin_actions_execute_cb, mainwin);
 466 }
 467
 468 void action_update_msgview_menu(GtkUIManager    *ui_manager,
 469                                 gchar *branch_path,
 470                                 MessageView *msgview)
 471 {
 472         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
 473                            msgview_actions_execute_cb, msgview);
 474 }
 475
 476 void action_update_compose_menu(GtkUIManager *ui_manager,
 477                                 gchar *branch_path,
 478                                 Compose *compose)
 479 {
 480         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
 481                            compose_actions_execute_cb, compose);
 482 }
 483
 484 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
 485 {
 486         GList *children = gtk_container_get_children(GTK_CONTAINER(GTK_MENU_SHELL(menu)));
 487         GList *amenu = children;
 488         const gchar *existing_name;
 489         while (amenu) {
 490                 GtkWidget *item = GTK_WIDGET(amenu->data);
 491                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
 492                     !g_strcmp0(name, existing_name))
 493                 {
 494                         g_list_free(children);
 495                          return item;
 496                 }
 497                 amenu = amenu->next;
 498         }
 499
 500         g_list_free(children);
 501
 502         return NULL;
 503 }
 504
 505 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
 506 {
 507         gchar *submenu = g_strdup(action);
 508         GtkWidget *new_menu = NULL;
 509
 510         if (strchr(submenu, '/')) {
 511                 const gchar *end = (strchr(submenu, '/')+1);
 512                 GtkWidget *menu_item = NULL;
 513                 if (end && *end) {
 514                         *strchr(submenu, '/') = '\0';
 515                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
 516                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
 517                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
 518                                 gtk_widget_show(menu_item);
 519                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
 520                                 new_menu = gtk_menu_new();
 521                                 gtk_widget_show(new_menu);
 522                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
 523                         } else {
 524                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
 525                         }
 526                         new_menu = create_submenus(new_menu, end);
 527                 }
 528         }
 529         g_free(submenu);
 530         return new_menu ? new_menu : menu;
 531 }
 532
 533 static void action_update_menu(GtkUIManager *ui_manager,
 534                                const gchar *accel_group,
 535                                gchar *branch_path,
 536                                gpointer callback, gpointer data)
 537 {
 538         GSList *cur;
 539         gchar *action, *action_p;
 540         int callback_action = 0;
 541         GtkWidget *menu = gtk_menu_new();
 542         GtkWidget *item;
 543
 544         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 545                 GtkWidget *cur_menu = menu;
 546                 const gchar *action_name = NULL;
 547                 action   = g_strdup((gchar *)cur->data);
 548                 action_p = strstr(action, ": ");
 549                 if (action_p && action_p[2] &&
 550                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
 551                     (action[0] != '/')) {
 552                         gchar *accel_path = NULL;
 553
 554                         action_p[0] = '\0';
 555                         if (strchr(action, '/')) {
 556                                 cur_menu = create_submenus(cur_menu, action);
 557                                 action_name = strrchr(action, '/')+1;
 558                         } else {
 559                                 action_name = action;
 560                         }
 561                         gtk_menu_set_accel_group (GTK_MENU (cur_menu),
 562                                 gtk_ui_manager_get_accel_group(ui_manager));
 563                         item = gtk_menu_item_new_with_label(action_name);
 564                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
 565                         g_signal_connect(G_OBJECT(item), "activate",
 566                                          G_CALLBACK(callback), data);
 567                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
 568                         gtk_widget_show(item);
 569                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
 570                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
 571                         g_free(accel_path);
 572
 573                 }
 574                 g_free(action);
 575                 callback_action++;
 576         }
 577
 578         gtk_widget_show(menu);
 579         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
 580 }
 581
 582 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
 583 {
 584         Compose *compose = (Compose *)data;
 585         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 586         compose_actions_execute(compose, action_nb, NULL);
 587 }
 588
 589 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
 590 {
 591         gchar *buf, *action;
 592         ActionType action_type;
 593
 594         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 595
 596         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 597         cm_return_if_fail(buf != NULL);
 598         action = strstr(buf, ": ");
 599         cm_return_if_fail(action != NULL);
 600
 601         /* Point to the beginning of the command-line */
 602         action += 2;
 603
 604         action_type = action_get_type(action);
 605         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
 606                 alertpanel_warning
 607                         (_("The selected action cannot be used in the compose window\n"
 608                            "because it contains %%f, %%F, %%as or %%p."));
 609                 return;
 610         }
 611
 612         execute_actions(action, NULL, compose->text, 0, NULL,
 613                 compose_action_cb, compose);
 614 }
 615
 616 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
 617 {
 618         MainWindow *mainwin = (MainWindow *)data;
 619         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 620         mainwin_actions_execute(mainwin, action_nb, NULL);
 621 }
 622
 623 static void _free_msginfos(gpointer data, gpointer user_data)
 624 {
 625         MsgInfo *msginfo = (MsgInfo *)data;
 626
 627         procmsg_msginfo_free(&msginfo);
 628 }
 629
 630 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
 631                                        GtkWidget *widget)
 632 {
 633         GSList *msg_list;
 634
 635         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
 636         message_actions_execute(mainwin->messageview, action_nb, msg_list);
 637         summary_select_by_msg_list(mainwin->summaryview, msg_list);
 638         g_slist_foreach(msg_list, _free_msginfos, NULL);
 639         g_slist_free(msg_list);
 640 }
 641
 642 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
 643 {
 644         MessageView *msgview = (MessageView *)data;
 645         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 646         msgview_actions_execute(msgview, action_nb, NULL);
 647 }
 648
 649 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
 650                                        GtkWidget *widget)
 651 {
 652         GSList *msg_list = NULL;
 653
 654         if (msgview->msginfo)
 655                 msg_list = g_slist_append(msg_list, msgview->msginfo);
 656         message_actions_execute(msgview, action_nb, msg_list);
 657         g_slist_free(msg_list);
 658 }
 659
 660 static void message_actions_execute(MessageView *msgview, guint action_nb,
 661                                     GSList *msg_list)
 662 {
 663         TextView *textview;
 664         MimeInfo *partinfo;
 665         gchar *buf;
 666         gchar *action;
 667         GtkWidget *text = NULL;
 668         guint body_pos = 0;
 669         ActionType action_type;
 670
 671         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 672
 673         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 674
 675         cm_return_if_fail(buf);
 676         cm_return_if_fail((action = strstr(buf, ": ")));
 677
 678         /* Point to the beginning of the command-line */
 679         action += 2;
 680
 681         textview = messageview_get_current_textview(msgview);
 682         if (textview) {
 683                 text     = textview->text;
 684                 body_pos = textview->body_pos;
 685         }
 686         partinfo = messageview_get_selected_mime_part(msgview);
 687
 688         /* this command will alter the message text */
 689         action_type = action_get_type(action);
 690         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
 691                 msgview->filtered = TRUE;
 692
 693         if (action_type & ACTION_FILTERING_ACTION)
 694                 /* CLAWS: most of the above code is not necessary for applying
 695                  * filtering */
 696                 execute_filtering_actions(action, msg_list);
 697         else
 698                 execute_actions(action, msg_list, text, body_pos, partinfo,
 699                         NULL, NULL);
 700 }
 701
 702 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
 703 {
 704         GSList *action_list, *p;
 705         const gchar *sbegin, *send;
 706         gchar *action_string;
 707         SummaryView *summaryview = NULL;
 708         MainWindow *mainwin = NULL;
 709
 710         if (mainwindow_get_mainwindow()) {
 711                 summaryview = mainwindow_get_mainwindow()->summaryview;
 712                 mainwin = mainwindow_get_mainwindow();
 713         }
 714
 715         if (NULL == (sbegin = g_strstr_len(action, -1, "%as{")))
 716                 return FALSE;
 717         sbegin += sizeof "%as{" - 1;
 718         if (NULL == (send = strrchr(sbegin, '}')))
 719                 return FALSE;
 720         action_string = g_strndup(sbegin, send - sbegin);
 721
 722         action_list = matcher_parser_get_action_list(action_string);
 723         if (action_list == NULL) {
 724                 gchar *tmp = g_strdup(action_string);
 725
 726                 g_strstrip(tmp);
 727                 if (*tmp == '\0')
 728                         alertpanel_error(_("There is no filtering action set"));
 729                 else
 730                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
 731                 g_free(action_string);
 732                 g_free(tmp);
 733                 return FALSE;
 734         }
 735         g_free(action_string);
 736
 737         /* apply actions on each message info */
 738         for (p = msglist; p && p->data; p = g_slist_next(p)) {
 739                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
 740         }
 741
 742         if (summaryview) {
 743                 summary_lock(summaryview);
 744                 main_window_cursor_wait(mainwin);
 745                 summary_freeze(summaryview);
 746                 folder_item_update_freeze();
 747         }
 748
 749         filtering_move_and_copy_msgs(msglist);
 750
 751         if (summaryview) {
 752                 folder_item_update_thaw();
 753                 summary_thaw(summaryview);
 754                 main_window_cursor_normal(mainwin);
 755                 summary_unlock(summaryview);
 756                 summary_show(summaryview, summaryview->folder_item, FALSE);
 757         }
 758         for (p = action_list; p; p = g_slist_next(p))
 759                 if (p->data) filteringaction_free(p->data);
 760         g_slist_free(action_list);
 761         return TRUE;
 762 }
 763
 764 static gboolean execute_actions(gchar *action, GSList *msg_list,
 765                                 GtkWidget *text,
 766                                 gint body_pos, MimeInfo *partinfo,
 767                                 void (*callback)(void *data), void *data)
 768 {
 769         GSList *children_list = NULL, *cur = NULL;
 770         gint is_ok  = TRUE;
 771         gint msg_list_len;
 772         Children *children;
 773         ChildInfo *child_info;
 774         ActionType action_type;
 775         MsgInfo *msginfo;
 776         gchar *cmd;
 777         gchar *sel_str = NULL;
 778         gchar *msg_str = NULL;
 779         gchar *user_str = NULL;
 780         gchar *user_hidden_str = NULL;
 781         GtkTextIter start_iter, end_iter;
 782         gboolean is_selection = FALSE;
 783
 784         cm_return_val_if_fail(action && *action, FALSE);
 785
 786         action_type = action_get_type(action);
 787
 788         if (action_type == ACTION_ERROR)
 789                 return FALSE;         /* ERR: syntax error */
 790
 791         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
 792                 return FALSE;         /* ERR: file command without selection */
 793
 794         msg_list_len = g_slist_length(msg_list);
 795
 796         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
 797                 if (msg_list_len > 1)
 798                         return FALSE; /* ERR: pipe + multiple selection */
 799                 if (!text)
 800                         return FALSE; /* ERR: pipe and no displayed text */
 801         }
 802
 803         if (action_type & ACTION_SELECTION_STR) {
 804                 if (!text)
 805                         return FALSE; /* ERR: selection string but no text */
 806         }
 807
 808         if (text) {
 809                 GtkTextBuffer *textbuf;
 810
 811                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 812                 is_selection = gtk_text_buffer_get_selection_bounds
 813                         (textbuf, &start_iter, &end_iter);
 814                 if (!is_selection) {
 815                         gtk_text_buffer_get_iter_at_offset
 816                                 (textbuf, &start_iter, body_pos);
 817                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 818                 }
 819                 msg_str = gtk_text_buffer_get_text
 820                         (textbuf, &start_iter, &end_iter, FALSE);
 821                 if (is_selection)
 822                         sel_str = g_strdup(msg_str);
 823         }
 824
 825         if (action_type & ACTION_USER_STR) {
 826                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
 827                         g_free(msg_str);
 828                         g_free(sel_str);
 829                         return FALSE;
 830                 }
 831         }
 832
 833         if (action_type & ACTION_USER_HIDDEN_STR) {
 834                 if (!(user_hidden_str =
 835                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
 836                         g_free(msg_str);
 837                         g_free(sel_str);
 838                         g_free(user_str);
 839                         return FALSE;
 840                 }
 841         }
 842
 843         if (text && (action_type & ACTION_PIPE_OUT)) {
 844                 GtkTextBuffer *textbuf;
 845                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 846                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 847         }
 848
 849         children = g_new0(Children, 1);
 850
 851         children->nb          = 0;
 852         children->action      = g_strdup(action);
 853         children->action_type = action_type;
 854         children->msg_text    = text;
 855         children->is_selection = is_selection;
 856
 857         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
 858             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
 859                 children->open_in = 1;
 860
 861         /* Pre-fetch bodies, makes it easier on IMAP (see bug #3011) */
 862         for (cur = msg_list; cur; cur = cur->next) {
 863                 gchar *dummy;
 864                 msginfo = (MsgInfo *)cur->data;
 865
 866                 dummy = procmsg_get_message_file((MsgInfo *)cur->data);
 867                 if (dummy)
 868                         g_free(dummy);
 869                 else
 870                         is_ok = FALSE;
 871         }
 872
 873         if (is_ok && (action_type & ACTION_SINGLE)) {
 874                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
 875                         msginfo = (MsgInfo *)cur->data;
 876                         if (!msginfo) {
 877                                 is_ok  = FALSE; /* ERR: msginfo missing */
 878                                 break;
 879                         }
 880                         cmd = parse_action_cmd(action, msginfo, msg_list,
 881                                                partinfo, user_str,
 882                                                user_hidden_str, sel_str);
 883                         if (!cmd) {
 884                                 debug_print("Action command error\n");
 885                                 is_ok  = FALSE; /* ERR: incorrect command */
 886                                 break;
 887                         }
 888                         if ((child_info = fork_child(cmd, msg_str, children))) {
 889                                 /* Pass msginfo to catch_status () */
 890                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 891                                         child_info->msginfo_list =
 892                                                 g_slist_append (NULL, msginfo);
 893                                 children_list = g_slist_append(children_list,
 894                                                                child_info);
 895                                 children->nb++;
 896                         }
 897                         g_free(cmd);
 898                 }
 899         } else if (is_ok) {
 900                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
 901                                        user_str, user_hidden_str, sel_str);
 902                 if (cmd) {
 903                         if ((child_info = fork_child(cmd, msg_str, children))) {
 904                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 905                                         child_info->msginfo_list =
 906                                                 g_slist_copy (msg_list);
 907                                 children_list = g_slist_append(children_list,
 908                                                                 child_info);
 909                                 children->nb++;
 910                         }
 911                         g_free(cmd);
 912                 } else
 913                         is_ok  = FALSE;         /* ERR: incorrect command */
 914         }
 915
 916         g_free(msg_str);
 917         g_free(sel_str);
 918         g_free(user_str);
 919         g_free(user_hidden_str);
 920
 921         if (!children_list) {
 922                  /* If not waiting for children, return */
 923                 free_children(children);
 924         } else {
 925                 GSList *cur;
 926
 927                 children->list        = children_list;
 928                 children->initial_nb  = children->nb;
 929
 930                 for (cur = children_list; cur; cur = cur->next) {
 931                         child_info = (ChildInfo *) cur->data;
 932                         child_info->callback = callback;
 933                         child_info->data = data;
 934                         child_info->tag_status =
 935                                 g_child_watch_add(child_info->pid, catch_status, child_info);
 936                 }
 937
 938                 create_io_dialog(children);
 939         }
 940         return is_ok;
 941 }
 942
 943 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
 944                              Children *children)
 945 {
 946         gint chld_in, chld_out, chld_err;
 947         gchar **argv, *ret_str, *trim_cmd;
 948         GPid pid;
 949         ChildInfo *child_info;
 950         gint follow_child;
 951         gssize by_written = 0, by_read = 0;
 952         gboolean result = FALSE;
 953         GError *error = NULL;
 954
 955         follow_child = !(children->action_type & ACTION_ASYNC);
 956
 957         chld_in = chld_out = chld_err = -1;
 958
 959         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
 960                                      &by_read, &by_written,
 961                                      NULL);
 962         if (!ret_str || !by_written) {
 963                 if (ret_str)
 964                         g_free(ret_str);
 965                 ret_str = g_strdup(cmd);
 966         }
 967
 968         trim_cmd = ret_str;
 969
 970         while (g_ascii_isspace(trim_cmd[0]))
 971                 trim_cmd++;
 972
 973 #ifdef G_OS_UNIX
 974         argv = g_new0(gchar *, 4);
 975         argv[0] = g_strdup("/bin/sh");
 976         argv[1] = g_strdup("-c");
 977         argv[2] = g_strdup(trim_cmd);
 978         argv[3] = 0;
 979 #else
 980         argv = strsplit_with_quote(trim_cmd, " ", 0);
 981 #endif
 982         g_free(ret_str);
 983
 984         if (follow_child) {
 985                 result = g_spawn_async_with_pipes(NULL, argv, NULL,
 986                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
 987                           NULL, NULL, &pid, &chld_in, &chld_out,
 988                           &chld_err, &error);
 989         } else {
 990                 result = g_spawn_async(NULL, argv, NULL,
 991                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH, NULL, NULL,
 992                           &pid, &error);
 993         }
 994
 995         debug_print("spawning %s: %d\n", cmd, result);
 996
 997         g_strfreev(argv);
 998
 999         if (!result) {
1000                 alertpanel_error(_("Could not fork to execute the following "
1001                                 "command:\n%s\n%s"),
1002                                  cmd, error ? error->message : _("Unknown error"));
1003                 if (error)
1004                         g_error_free(error);
1005                 return NULL;
1006         }
1007
1008         if (!(children->action_type &
1009               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1010                 (void)close(chld_in);
1011
1012         if (!follow_child) {
1013                 g_spawn_close_pid(pid);
1014                 return NULL;
1015         }
1016         child_info = g_new0(ChildInfo, 1);
1017
1018         child_info->children    = children;
1019
1020         child_info->pid         = pid;
1021 #ifdef G_OS_UNIX
1022         child_info->next_sig    = SIGTERM;
1023 #endif
1024         child_info->cmd         = g_strdup(cmd);
1025         child_info->new_out     = FALSE;
1026         child_info->output      = g_string_new(NULL);
1027         child_info->chld_in     =
1028                 (children->action_type &
1029                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1030                         ? chld_in : -1;
1031         child_info->chld_out    = chld_out;
1032         child_info->chld_err    = chld_err;
1033         child_info->tag_status  = -1;
1034         child_info->tag_in      = -1;
1035         child_info->tag_out     = claws_input_add(chld_out, G_IO_IN | G_IO_HUP | G_IO_ERR,
1036                                                 catch_output, child_info, FALSE);
1037         child_info->tag_err     = claws_input_add(chld_err, G_IO_IN | G_IO_HUP | G_IO_ERR,
1038                                                 catch_output, child_info, FALSE);
1039
1040         if (!(children->action_type &
1041               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1042                 return child_info;
1043
1044         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1045                 int r;
1046                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1047                                              &by_read, &by_written, NULL);
1048                 if (ret_str && by_written)
1049                         r = write(chld_in, ret_str, strlen(ret_str));
1050                 else
1051                         r = write(chld_in, msg_str, strlen(msg_str));
1052                 if (ret_str)
1053                         g_free(ret_str);
1054
1055                 if (!(children->action_type &
1056                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1057                         r = close(chld_in);
1058                 child_info->chld_in = -1; /* No more input */
1059                 if (r != 0)
1060                         debug_print("piping to child process: %s (%d)\n", g_strerror(errno), errno);
1061         }
1062
1063         return child_info;
1064 }
1065
1066 static void kill_children_cb(GtkWidget *widget, gpointer data)
1067 {
1068         GSList *cur;
1069         Children *children = (Children *) data;
1070         ChildInfo *child_info;
1071
1072         for (cur = children->list; cur; cur = cur->next) {
1073                 child_info = (ChildInfo *)(cur->data);
1074 #ifdef G_OS_WIN32
1075                 debug_print("Killing child group HANDLE %p\n", child_info->pid);
1076                 TerminateProcess(child_info->pid, 0);
1077 #else
1078                 debug_print("Killing child group id %d\n", child_info->pid);
1079                 if (child_info->pid && kill(child_info->pid, child_info->next_sig) < 0)
1080                         perror("kill");
1081                 child_info->next_sig = SIGKILL;
1082 #endif
1083         }
1084 }
1085
1086 static gint wait_for_children(Children *children)
1087 {
1088         gboolean new_output;
1089         ChildInfo *child_info;
1090         GSList *cur;
1091
1092         cur = children->list;
1093         new_output = FALSE;
1094         while (cur) {
1095                 child_info = (ChildInfo *)cur->data;
1096                 new_output |= child_info->new_out;
1097                 cur = cur->next;
1098         }
1099
1100         children->output |= new_output;
1101
1102         if (new_output || (children->dialog && (children->initial_nb != children->nb)))
1103                 update_io_dialog(children);
1104
1105         if (children->nb)
1106                 return FALSE;
1107
1108         if (!children->dialog) {
1109                 free_children(children);
1110         } else if (!children->output) {
1111                 gtk_widget_destroy(children->dialog);
1112         }
1113
1114         return FALSE;
1115 }
1116
1117 static void send_input(GtkWidget *w, gpointer data)
1118 {
1119         Children *children = (Children *) data;
1120         ChildInfo *child_info = (ChildInfo *) children->list->data;
1121
1122         child_info->tag_in = claws_input_add(child_info->chld_in,
1123                                            G_IO_OUT | G_IO_ERR,
1124                                            catch_input, children, FALSE);
1125 }
1126
1127 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1128 {
1129         hide_io_dialog_cb(w, data);
1130         return TRUE;
1131 }
1132
1133 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1134 {
1135
1136         Children *children = (Children *)data;
1137
1138         if (!children->nb) {
1139                 g_signal_handlers_disconnect_matched
1140                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1141                          0, 0, NULL, NULL, children);
1142                 gtk_widget_destroy(children->dialog);
1143                 free_children(children);
1144         }
1145 }
1146
1147 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1148                                      gpointer data)
1149 {
1150         if (event && (event->keyval == GDK_KEY_Escape ||
1151                       event->keyval == GDK_KEY_Return ||
1152                       event->keyval == GDK_KEY_KP_Enter))
1153                 hide_io_dialog_cb(widget, data);
1154         return TRUE;
1155 }
1156
1157 static void childinfo_close_pipes(ChildInfo *child_info)
1158 {
1159         /* stdout and stderr pipes are guaranteed to be removed by
1160          * their handler, but in case where we receive child exit notification
1161          * before grand-child's pipes closing signals, we check them and close
1162          * them if necessary
1163          */
1164         if (child_info->tag_in > 0)
1165                 g_source_remove(child_info->tag_in);
1166         if (child_info->tag_out > 0)
1167                 g_source_remove(child_info->tag_out);
1168         if (child_info->tag_err > 0)
1169                 g_source_remove(child_info->tag_err);
1170
1171         if (child_info->chld_in >= 0)
1172                 (void)close(child_info->chld_in);
1173         if (child_info->chld_out >= 0)
1174                 (void)close(child_info->chld_out);
1175         if (child_info->chld_err >= 0)
1176                 (void)close(child_info->chld_err);
1177 }
1178
1179 static void free_children(Children *children)
1180 {
1181         ChildInfo *child_info;
1182         void (*callback)(void *data) = NULL;
1183         void *data = NULL;
1184
1185         debug_print("Freeing children data %p\n", children);
1186
1187         g_free(children->action);
1188         while (children->list != NULL) {
1189                 child_info = (ChildInfo *)children->list->data;
1190                 g_free(child_info->cmd);
1191                 g_string_free(child_info->output, TRUE);
1192                 children->list = g_slist_remove(children->list, child_info);
1193                 callback = child_info->callback;
1194                 data = child_info->data;
1195                 g_free(child_info);
1196         }
1197
1198         if (callback)
1199                 callback(data);
1200
1201         g_free(children);
1202 }
1203
1204 static void update_io_dialog(Children *children)
1205 {
1206         GSList *cur;
1207
1208         debug_print("Updating actions input/output dialog.\n");
1209
1210         if (children->progress_bar) {
1211                 gchar *text;
1212 #ifdef GENERIC_UMPC
1213                 /* use a more compact format */
1214                 const gchar *format = "%s %d/%d";
1215 #else
1216                 const gchar *format = "%s %d / %d";
1217 #endif
1218
1219                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1220                                                   (children->initial_nb == 0) ? 0 :
1221                                               (gdouble) (children->initial_nb - children->nb) /
1222                                               (gdouble) children->initial_nb);
1223                 text = g_strdup_printf(format, _("Completed"),
1224                                        children->initial_nb - children->nb,
1225                                        children->initial_nb);
1226                 gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(children->progress_bar), TRUE);
1227                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1228                 g_free(text);
1229         }
1230
1231         if (!children->nb) {
1232                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1233                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1234                 if (children->input_hbox)
1235                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1236                 gtk_widget_grab_focus(children->close_btn);
1237                 g_signal_connect(G_OBJECT(children->dialog),
1238                                  "key_press_event",
1239                                  G_CALLBACK(io_dialog_key_pressed_cb),
1240                                  children);
1241         }
1242
1243         if (children->output) {
1244                 GtkWidget *text = children->text;
1245                 GtkTextBuffer *textbuf;
1246                 GtkTextIter iter, start_iter, end_iter;
1247                 gchar *caption;
1248                 ChildInfo *child_info;
1249
1250                 gtk_widget_show(children->scrolledwin);
1251                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1252                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1253                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1254                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1255
1256                 for (cur = children->list; cur; cur = cur->next) {
1257                         child_info = (ChildInfo *)cur->data;
1258                         if (child_info->pid)
1259                                 caption = g_strdup_printf
1260                                         (_("--- Running: %s\n"),
1261                                          child_info->cmd);
1262                         else
1263                                 caption = g_strdup_printf
1264                                         (_("--- Ended: %s\n"),
1265                                          child_info->cmd);
1266
1267                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1268                         gtk_text_buffer_insert(textbuf, &iter,
1269                                                child_info->output->str, -1);
1270                         g_free(caption);
1271                         child_info->new_out = FALSE;
1272                 }
1273         }
1274 }
1275
1276 /*!
1277  *\brief        Save Gtk object size to prefs dataset
1278  */
1279 static void actions_io_size_allocate_cb(GtkWidget *widget,
1280                                          GtkAllocation *allocation)
1281 {
1282         cm_return_if_fail(allocation != NULL);
1283
1284         gtk_window_get_size(GTK_WINDOW(widget),
1285                 &prefs_common.actionsiodialog_width, &prefs_common.actionsiodialog_height);
1286 }
1287
1288 static void create_io_dialog(Children *children)
1289 {
1290         GtkWidget *dialog;
1291         GtkWidget *vbox;
1292         GtkWidget *entry = NULL;
1293         GtkWidget *input_hbox = NULL;
1294         GtkWidget *send_button;
1295         GtkWidget *label;
1296         GtkWidget *text;
1297         GtkWidget *scrolledwin;
1298         GtkWidget *progress_bar = NULL;
1299         GtkWidget *abort_button;
1300         GtkWidget *close_button;
1301         static GdkGeometry geometry;
1302
1303         debug_print("Creating action IO dialog\n");
1304
1305         dialog = gtk_dialog_new();
1306         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1307         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1308         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1309         manage_window_set_transient(GTK_WINDOW(dialog));
1310         g_signal_connect(G_OBJECT(dialog), "delete_event",
1311                          G_CALLBACK(delete_io_dialog_cb), children);
1312         g_signal_connect(G_OBJECT(dialog), "destroy",
1313                          G_CALLBACK(hide_io_dialog_cb),
1314                          children);
1315         g_signal_connect(G_OBJECT(dialog), "size_allocate",
1316                          G_CALLBACK(actions_io_size_allocate_cb), NULL);
1317
1318         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
1319         gtk_container_add(GTK_CONTAINER(
1320                                 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox);
1321         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1322         gtk_widget_show(vbox);
1323
1324         label = gtk_label_new(children->action);
1325         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1326         gtk_widget_show(label);
1327
1328         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1329         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1330                                        GTK_POLICY_AUTOMATIC,
1331                                        GTK_POLICY_AUTOMATIC);
1332         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1333                                             GTK_SHADOW_IN);
1334         gtk_scrolled_window_set_propagate_natural_height(GTK_SCROLLED_WINDOW(scrolledwin), TRUE);
1335         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1336         gtk_widget_hide(scrolledwin);
1337
1338         text = gtk_text_view_new();
1339
1340         if (prefs_common.textfont) {
1341                 PangoFontDescription *font_desc;
1342                 font_desc = pango_font_description_from_string
1343                         (prefs_common.textfont);
1344                 if (font_desc) {
1345                         gtk_widget_override_font(text, font_desc);
1346                         pango_font_description_free(font_desc);
1347                 }
1348         }
1349
1350         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1351         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1352         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1353         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1354         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1355         gtk_widget_show(text);
1356
1357         if (children->open_in) {
1358                 input_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
1359                 gtk_widget_show(input_hbox);
1360
1361                 entry = gtk_entry_new();
1362                 gtk_widget_set_size_request(entry, 320, -1);
1363                 g_signal_connect(G_OBJECT(entry), "activate",
1364                                  G_CALLBACK(send_input), children);
1365                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1366                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1367                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1368                 }
1369                 gtk_widget_show(entry);
1370
1371                 send_button = gtkut_stock_button("system-run", _("_Execute"));
1372                 g_signal_connect(G_OBJECT(send_button), "clicked",
1373                                  G_CALLBACK(send_input), children);
1374                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1375                                    FALSE, 0);
1376                 gtk_widget_show(send_button);
1377
1378                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1379                 gtk_widget_grab_focus(entry);
1380         }
1381
1382         if (children->initial_nb > 1) {
1383                 gchar *text;
1384 #ifdef GENERIC_UMPC
1385                 /* use a more compact format */
1386                 const gchar *format = "%s 0/%d\n";
1387 #else
1388                 const gchar *format = "%s 0 / %d\n";
1389 #endif
1390
1391                 progress_bar = gtk_progress_bar_new();
1392                 gtk_orientable_set_orientation(GTK_ORIENTABLE(progress_bar),
1393                                 GTK_ORIENTATION_HORIZONTAL);
1394                 gtk_progress_bar_set_inverted(GTK_PROGRESS_BAR(progress_bar),
1395                                 FALSE);
1396
1397                 text = g_strdup_printf(format, _("Completed"),
1398                                        children->initial_nb);
1399                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1400                                           text);
1401                 g_free(text);
1402                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1403                 gtk_widget_show(progress_bar);
1404         }
1405
1406         abort_button = gtk_dialog_add_button(GTK_DIALOG(dialog), _("_Stop"),
1407                                              GTK_RESPONSE_NONE);
1408         close_button = gtk_dialog_add_button(GTK_DIALOG(dialog),_("_Close"),
1409                                              GTK_RESPONSE_NONE);
1410         gtk_widget_grab_default(close_button);
1411         g_signal_connect(G_OBJECT(abort_button), "clicked",
1412                          G_CALLBACK(kill_children_cb), children);
1413         g_signal_connect(G_OBJECT(close_button), "clicked",
1414                          G_CALLBACK(hide_io_dialog_cb), children);
1415
1416         if (children->nb)
1417                 gtk_widget_set_sensitive(close_button, FALSE);
1418
1419         if (!geometry.min_height) {
1420                 geometry.min_width = 582;
1421                 geometry.min_height = 310;
1422         }
1423
1424         gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
1425                                       GDK_HINT_MIN_SIZE);
1426         gtk_window_set_default_size(GTK_WINDOW(dialog), prefs_common.actionsiodialog_width,
1427                                     prefs_common.actionsiodialog_height);
1428
1429         gtk_widget_show(dialog);
1430
1431         children->dialog       = dialog;
1432         children->scrolledwin  = scrolledwin;
1433         children->text         = text;
1434         children->input_hbox   = children->open_in ? input_hbox : NULL;
1435         children->input_entry  = children->open_in ? entry : NULL;
1436         children->progress_bar = progress_bar;
1437         children->abort_btn    = abort_button;
1438         children->close_btn    = close_button;
1439 }
1440
1441 static void catch_status(GPid pid, gint status, gpointer data)
1442 {
1443         ChildInfo *child_info = (ChildInfo *)data;
1444
1445         debug_print("Child returned %d\n", status);
1446
1447         childinfo_close_pipes(child_info);
1448         g_spawn_close_pid(child_info->pid);
1449         child_info->pid = 0;
1450
1451         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1452             && child_info->msginfo_list) {
1453                 /* Actions on message *files* might change size and
1454                 * time stamp, and thus invalidate the cache */
1455                 SummaryView *summaryview  = NULL;
1456                 GSList      *cur;
1457                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1458                 char        *file;
1459                 gboolean     modified_something = FALSE;
1460                 FolderItem  *last_item = NULL;
1461                 if (mainwindow_get_mainwindow ())
1462                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1463                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1464                         msginfo = (MsgInfo *)cur->data;
1465                         if (!(msginfo && /* Stuff used valid? */
1466                             msginfo->folder && msginfo->folder->cache))
1467                                 continue;
1468                         file = procmsg_get_message_file_path (msginfo);
1469                         if (!file)
1470                                 continue;
1471                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1472                         if (!nmi)
1473                                 continue; /* Deleted? */
1474                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1475                                 nmi->folder = msginfo->folder;
1476                                 nmi->msgnum = msginfo->msgnum;
1477                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1478                                 modified_something = TRUE;
1479                                 last_item = nmi->folder;
1480                         }
1481                         procmsg_msginfo_free (&nmi);
1482                         if (summaryview && summaryview->displayed &&
1483                             summaryview->folder_item == msginfo->folder &&
1484                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1485                                 summary_redisplay_msg(summaryview);
1486
1487                 }
1488                 if (modified_something && last_item &&
1489                     summaryview && summaryview->folder_item == last_item) {
1490                         summary_show (summaryview, summaryview->folder_item, FALSE);
1491                 }
1492                 g_slist_free (child_info->msginfo_list);
1493                 child_info->msginfo_list = NULL;
1494         }
1495
1496         if (!child_info->pid)
1497                 child_info->children->nb--;
1498
1499         wait_for_children(child_info->children);
1500 }
1501
1502 static void catch_input(gpointer data, gint source, GIOCondition cond)
1503 {
1504         Children *children = (Children *)data;
1505         ChildInfo *child_info = (ChildInfo *)children->list->data;
1506         gchar *input, *ret_str;
1507         gint c, count, len, r;
1508         gssize by_read = 0, by_written = 0;
1509
1510         debug_print("Sending input to grand child.\n");
1511         if (!(cond & (G_IO_OUT | G_IO_ERR)))
1512                 return;
1513
1514         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1515         gtk_widget_grab_focus(children->abort_btn);
1516
1517         g_source_remove(child_info->tag_in);
1518         child_info->tag_in = -1;
1519
1520         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1521                                        0, -1);
1522         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1523                                      &by_written, NULL);
1524         if (ret_str) {
1525                 if (by_written) {
1526                         g_free(input);
1527                         input = ret_str;
1528                 } else
1529                         g_free(ret_str);
1530         }
1531
1532         len = strlen(input);
1533         count = 0;
1534
1535         do {
1536                 c = write(child_info->chld_in, input + count, len - count);
1537                 if (c >= 0)
1538                         count += c;
1539         } while (c >= 0 && count < len);
1540
1541         if (c >= 0)
1542                 r = write(child_info->chld_in, "\n", 2);
1543
1544         g_free(input);
1545
1546         r = close(child_info->chld_in);
1547         child_info->chld_in = -1;
1548         if (r != 0)
1549                 debug_print("closing child input fd: %s (%d)\n", g_strerror(errno), errno);
1550         child_info->chld_in = -1;
1551         debug_print("Input to grand child sent.\n");
1552 }
1553
1554 static void catch_output(gpointer data, gint source, GIOCondition cond)
1555 {
1556         ChildInfo *child_info = (ChildInfo *)data;
1557         gint c;
1558         gchar buf[BUFFSIZE];
1559
1560         debug_print("Catching grand child's output.\n");
1561         if (child_info->children->action_type &
1562             (ACTION_PIPE_OUT | ACTION_INSERT)
1563             && source == child_info->chld_out) {
1564                 GtkTextView *text =
1565                         GTK_TEXT_VIEW(child_info->children->msg_text);
1566                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1567                 GtkTextIter iter;
1568                 GtkTextMark *mark;
1569                 gint ins_pos;
1570
1571                 mark = gtk_text_buffer_get_insert(textbuf);
1572                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1573                 ins_pos = gtk_text_iter_get_offset(&iter);
1574
1575                 while (TRUE) {
1576                         gsize bytes_read = 0, bytes_written = 0;
1577                         gchar *ret_str;
1578
1579                         c = read(source, buf, sizeof(buf) - 1);
1580                         if (c <= 0)
1581                                 break;
1582
1583                         buf[c] = 0;
1584                         ret_str = g_locale_to_utf8
1585                                 (buf, c, &bytes_read, &bytes_written, NULL);
1586                         if (ret_str && bytes_written > 0)
1587                                 gtk_text_buffer_insert(textbuf, &iter, ret_str, -1);
1588                         else
1589                                 gtk_text_buffer_insert(textbuf, &iter, buf, c);
1590                         if (ret_str)
1591                                 g_free(ret_str);
1592                 }
1593
1594                 if (child_info->children->is_selection) {
1595                         GtkTextIter ins;
1596
1597                         gtk_text_buffer_get_iter_at_offset
1598                                 (textbuf, &ins, ins_pos);
1599                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1600                 }
1601         } else {
1602                 c = read(source, buf, sizeof(buf) - 1);
1603                 if (c > 0) {
1604                         gsize bytes_read = 0, bytes_written = 0;
1605                         gchar *ret_str;
1606
1607                         buf[c] = 0;
1608                         ret_str = g_locale_to_utf8
1609                                 (buf, c, &bytes_read, &bytes_written, NULL);
1610                         if (ret_str) {
1611                                 if (bytes_written) {
1612                                         g_string_append_len
1613                                                 (child_info->output, ret_str,
1614                                                 bytes_written);
1615                                 }
1616                                 g_free(ret_str);
1617                         } else
1618                                 g_string_append_len(child_info->output, buf, c);
1619
1620                         child_info->new_out = TRUE;
1621                 }
1622         }
1623         if (c == 0) {
1624                 if (source == child_info->chld_out) {
1625                         g_source_remove(child_info->tag_out);
1626                         child_info->tag_out = -1;
1627                         (void)close(child_info->chld_out);
1628                         child_info->chld_out = -1;
1629                 } else {
1630                         g_source_remove(child_info->tag_err);
1631                         child_info->tag_err = -1;
1632                         (void)close(child_info->chld_err);
1633                         child_info->chld_err = -1;
1634                 }
1635         }
1636
1637         wait_for_children(child_info->children);
1638 }
1639
1640 static gchar *get_user_string(const gchar *action, ActionType type)
1641 {
1642         gchar *message;
1643         gchar *user_str = NULL;
1644
1645         switch (type) {
1646         case ACTION_USER_HIDDEN_STR:
1647                 message = g_strdup_printf
1648                         (_("Enter the argument for the following action:\n"
1649                            "('%%h' will be replaced with the argument)\n"
1650                            "  %s"),
1651                          action);
1652                 user_str = input_dialog_with_invisible
1653                         (_("Action's hidden user argument"), message, NULL);
1654                 break;
1655         case ACTION_USER_STR:
1656                 message = g_strdup_printf
1657                         (_("Enter the argument for the following action:\n"
1658                            "('%%u' will be replaced with the argument)\n"
1659                            "  %s"),
1660                          action);
1661                 user_str = input_dialog
1662                         (_("Action's user argument"), message, NULL);
1663                 break;
1664         default:
1665                 g_warning("unsupported action type %d", type);
1666         }
1667
1668         return user_str;
1669 }