src/action.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2016 Hiroyuki Yamamoto & The Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 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         gchar *p, *q;
 375         gchar escape_ch[] = "\\ ";
 376
 377         cm_return_val_if_fail(msginfo, FALSE);
 378
 379         filename = procmsg_get_message_file(msginfo);
 380
 381         if (!filename) {
 382                 alertpanel_error(_("Could not get message file %d"),
 383                                  msginfo->msgnum);
 384                 return FALSE;
 385         }
 386
 387         p = filename;
 388         g_string_append(cmd, "\"");
 389 #ifdef G_OS_UNIX
 390         while ((q = strpbrk(p, "$\"`\\~")) != NULL) {
 391                 escape_ch[1] = *q;
 392                 *q = '\0';
 393                 g_string_append(cmd, p);
 394                 g_string_append(cmd, escape_ch);
 395                 p = q + 1;
 396         }
 397
 398         g_string_append(cmd, p);
 399 #else
 400         g_string_append(cmd, filename);
 401 #endif
 402         g_string_append(cmd, "\"");
 403         g_free(filename);
 404
 405         return TRUE;
 406 }
 407
 408 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 409                                      MimeInfo *partinfo)
 410 {
 411         gboolean single_part = FALSE;
 412         gchar *filename;
 413         gchar *part_filename;
 414         gint ret;
 415
 416         if (!partinfo) {
 417                 partinfo = procmime_scan_message(msginfo);
 418                 if (!partinfo) {
 419                         alertpanel_error(_("Could not get message part."));
 420                         return FALSE;
 421                 }
 422
 423                 single_part = TRUE;
 424         }
 425
 426         filename = procmsg_get_message_file_path(msginfo);
 427         part_filename = procmime_get_tmp_file_name(partinfo);
 428
 429         ret = procmime_get_part(part_filename, partinfo);
 430
 431         if (single_part)
 432                 procmime_mimeinfo_free_all(&partinfo);
 433         g_free(filename);
 434
 435         if (ret < 0) {
 436                 alertpanel_error(_("Can't get part of multipart message: %s"), g_strerror(-ret));
 437                 g_free(part_filename);
 438                 return FALSE;
 439         }
 440
 441         g_string_append(cmd, part_filename);
 442
 443         g_free(part_filename);
 444
 445         return TRUE;
 446 }
 447
 448 void actions_execute(gpointer data,
 449                      guint action_nb,
 450                      GtkWidget *widget,
 451                      gint source)
 452 {
 453         if (source == TOOLBAR_MAIN)
 454                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
 455         else if (source == TOOLBAR_COMPOSE)
 456                 compose_actions_execute((Compose*)data, action_nb, widget);
 457         else if (source == TOOLBAR_MSGVIEW)
 458                 msgview_actions_execute((MessageView*)data, action_nb, widget);
 459 }
 460
 461 void action_update_mainwin_menu(GtkUIManager *ui_manager,
 462                                 gchar *branch_path,
 463                                 MainWindow *mainwin)
 464 {
 465         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
 466                            mainwin_actions_execute_cb, mainwin);
 467 }
 468
 469 void action_update_msgview_menu(GtkUIManager    *ui_manager,
 470                                 gchar *branch_path,
 471                                 MessageView *msgview)
 472 {
 473         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
 474                            msgview_actions_execute_cb, msgview);
 475 }
 476
 477 void action_update_compose_menu(GtkUIManager *ui_manager,
 478                                 gchar *branch_path,
 479                                 Compose *compose)
 480 {
 481         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
 482                            compose_actions_execute_cb, compose);
 483 }
 484
 485 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
 486 {
 487         GList *children = gtk_container_get_children(GTK_CONTAINER(GTK_MENU_SHELL(menu)));
 488         GList *amenu = children;
 489         const gchar *existing_name;
 490         while (amenu) {
 491                 GtkWidget *item = GTK_WIDGET(amenu->data);
 492                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
 493                     !strcmp2(name, existing_name))
 494                 {
 495                         g_list_free(children);
 496                          return item;
 497                 }
 498                 amenu = amenu->next;
 499         }
 500
 501         g_list_free(children);
 502
 503         return NULL;
 504 }
 505
 506 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
 507 {
 508         gchar *submenu = g_strdup(action);
 509         GtkWidget *new_menu = NULL;
 510
 511         if (strchr(submenu, '/')) {
 512                 const gchar *end = (strchr(submenu, '/')+1);
 513                 GtkWidget *menu_item = NULL;
 514                 if (end && *end) {
 515                         *strchr(submenu, '/') = '\0';
 516                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
 517                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
 518                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
 519                                 gtk_widget_show(menu_item);
 520                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
 521                                 new_menu = gtk_menu_new();
 522                                 gtk_widget_show(new_menu);
 523                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
 524                         } else {
 525                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
 526                         }
 527                         new_menu = create_submenus(new_menu, end);
 528                 }
 529         }
 530         g_free(submenu);
 531         return new_menu ? new_menu : menu;
 532 }
 533
 534 static void action_update_menu(GtkUIManager *ui_manager,
 535                                const gchar *accel_group,
 536                                gchar *branch_path,
 537                                gpointer callback, gpointer data)
 538 {
 539         GSList *cur;
 540         gchar *action, *action_p;
 541         int callback_action = 0;
 542         GtkWidget *menu = gtk_menu_new();
 543         GtkWidget *item;
 544
 545         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 546                 GtkWidget *cur_menu = menu;
 547                 const gchar *action_name = NULL;
 548                 action   = g_strdup((gchar *)cur->data);
 549                 action_p = strstr(action, ": ");
 550                 if (action_p && action_p[2] &&
 551                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
 552                     (action[0] != '/')) {
 553                         gchar *accel_path = NULL;
 554
 555                         action_p[0] = '\0';
 556                         if (strchr(action, '/')) {
 557                                 cur_menu = create_submenus(cur_menu, action);
 558                                 action_name = strrchr(action, '/')+1;
 559                         } else {
 560                                 action_name = action;
 561                         }
 562                         gtk_menu_set_accel_group (GTK_MENU (cur_menu),
 563                                 gtk_ui_manager_get_accel_group(ui_manager));
 564                         item = gtk_menu_item_new_with_label(action_name);
 565                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
 566                         g_signal_connect(G_OBJECT(item), "activate",
 567                                          G_CALLBACK(callback), data);
 568                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
 569                         gtk_widget_show(item);
 570                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
 571                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
 572                         g_free(accel_path);
 573
 574                 }
 575                 g_free(action);
 576                 callback_action++;
 577         }
 578
 579         gtk_widget_show(menu);
 580         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
 581 }
 582
 583 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
 584 {
 585         Compose *compose = (Compose *)data;
 586         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 587         compose_actions_execute(compose, action_nb, NULL);
 588 }
 589
 590 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
 591 {
 592         gchar *buf, *action;
 593         ActionType action_type;
 594
 595         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 596
 597         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 598         cm_return_if_fail(buf != NULL);
 599         action = strstr(buf, ": ");
 600         cm_return_if_fail(action != NULL);
 601
 602         /* Point to the beginning of the command-line */
 603         action += 2;
 604
 605         action_type = action_get_type(action);
 606         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
 607                 alertpanel_warning
 608                         (_("The selected action cannot be used in the compose window\n"
 609                            "because it contains %%f, %%F, %%as or %%p."));
 610                 return;
 611         }
 612
 613         execute_actions(action, NULL, compose->text, 0, NULL,
 614                 compose_action_cb, compose);
 615 }
 616
 617 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
 618 {
 619         MainWindow *mainwin = (MainWindow *)data;
 620         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 621         mainwin_actions_execute(mainwin, action_nb, NULL);
 622 }
 623
 624 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
 625                                        GtkWidget *widget)
 626 {
 627         GSList *msg_list;
 628
 629         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
 630         message_actions_execute(mainwin->messageview, action_nb, msg_list);
 631         g_slist_free(msg_list);
 632 }
 633
 634 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
 635 {
 636         MessageView *msgview = (MessageView *)data;
 637         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 638         msgview_actions_execute(msgview, action_nb, NULL);
 639 }
 640
 641 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
 642                                        GtkWidget *widget)
 643 {
 644         GSList *msg_list = NULL;
 645
 646         if (msgview->msginfo)
 647                 msg_list = g_slist_append(msg_list, msgview->msginfo);
 648         message_actions_execute(msgview, action_nb, msg_list);
 649         g_slist_free(msg_list);
 650 }
 651
 652 static void message_actions_execute(MessageView *msgview, guint action_nb,
 653                                     GSList *msg_list)
 654 {
 655         TextView *textview;
 656         MimeInfo *partinfo;
 657         gchar *buf;
 658         gchar *action;
 659         GtkWidget *text = NULL;
 660         guint body_pos = 0;
 661         ActionType action_type;
 662
 663         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 664
 665         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 666
 667         cm_return_if_fail(buf);
 668         cm_return_if_fail((action = strstr(buf, ": ")));
 669
 670         /* Point to the beginning of the command-line */
 671         action += 2;
 672
 673         textview = messageview_get_current_textview(msgview);
 674         if (textview) {
 675                 text     = textview->text;
 676                 body_pos = textview->body_pos;
 677         }
 678         partinfo = messageview_get_selected_mime_part(msgview);
 679
 680         /* this command will alter the message text */
 681         action_type = action_get_type(action);
 682         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
 683                 msgview->filtered = TRUE;
 684
 685         if (action_type & ACTION_FILTERING_ACTION)
 686                 /* CLAWS: most of the above code is not necessary for applying
 687                  * filtering */
 688                 execute_filtering_actions(action, msg_list);
 689         else
 690                 execute_actions(action, msg_list, text, body_pos, partinfo,
 691                         NULL, NULL);
 692 }
 693
 694 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
 695 {
 696         GSList *action_list, *p;
 697         const gchar *sbegin, *send;
 698         gchar *action_string;
 699         SummaryView *summaryview = NULL;
 700         MainWindow *mainwin = NULL;
 701
 702         if (mainwindow_get_mainwindow()) {
 703                 summaryview = mainwindow_get_mainwindow()->summaryview;
 704                 mainwin = mainwindow_get_mainwindow();
 705         }
 706
 707         if (NULL == (sbegin = strstr2(action, "%as{")))
 708                 return FALSE;
 709         sbegin += sizeof "%as{" - 1;
 710         if (NULL == (send = strrchr(sbegin, '}')))
 711                 return FALSE;
 712         action_string = g_strndup(sbegin, send - sbegin);
 713
 714         action_list = matcher_parser_get_action_list(action_string);
 715         if (action_list == NULL) {
 716                 gchar *tmp = g_strdup(action_string);
 717
 718                 g_strstrip(tmp);
 719                 if (*tmp == '\0')
 720                         alertpanel_error(_("There is no filtering action set"));
 721                 else
 722                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
 723                 g_free(action_string);
 724                 g_free(tmp);
 725                 return FALSE;
 726         }
 727         g_free(action_string);
 728
 729         /* apply actions on each message info */
 730         for (p = msglist; p && p->data; p = g_slist_next(p)) {
 731                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
 732         }
 733
 734         if (summaryview) {
 735                 summary_lock(summaryview);
 736                 main_window_cursor_wait(mainwin);
 737                 summary_freeze(summaryview);
 738                 folder_item_update_freeze();
 739         }
 740
 741         filtering_move_and_copy_msgs(msglist);
 742
 743         if (summaryview) {
 744                 folder_item_update_thaw();
 745                 summary_thaw(summaryview);
 746                 main_window_cursor_normal(mainwin);
 747                 summary_unlock(summaryview);
 748                 summary_show(summaryview, summaryview->folder_item);
 749         }
 750         for (p = action_list; p; p = g_slist_next(p))
 751                 if (p->data) filteringaction_free(p->data);
 752         g_slist_free(action_list);
 753         return TRUE;
 754 }
 755
 756 static gboolean execute_actions(gchar *action, GSList *msg_list,
 757                                 GtkWidget *text,
 758                                 gint body_pos, MimeInfo *partinfo,
 759                                 void (*callback)(void *data), void *data)
 760 {
 761         GSList *children_list = NULL, *cur = NULL;
 762         gint is_ok  = TRUE;
 763         gint msg_list_len;
 764         Children *children;
 765         ChildInfo *child_info;
 766         ActionType action_type;
 767         MsgInfo *msginfo;
 768         gchar *cmd;
 769         gchar *sel_str = NULL;
 770         gchar *msg_str = NULL;
 771         gchar *user_str = NULL;
 772         gchar *user_hidden_str = NULL;
 773         GtkTextIter start_iter, end_iter;
 774         gboolean is_selection = FALSE;
 775
 776         cm_return_val_if_fail(action && *action, FALSE);
 777
 778         action_type = action_get_type(action);
 779
 780         if (action_type == ACTION_ERROR)
 781                 return FALSE;         /* ERR: syntax error */
 782
 783         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
 784                 return FALSE;         /* ERR: file command without selection */
 785
 786         msg_list_len = g_slist_length(msg_list);
 787
 788         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
 789                 if (msg_list_len > 1)
 790                         return FALSE; /* ERR: pipe + multiple selection */
 791                 if (!text)
 792                         return FALSE; /* ERR: pipe and no displayed text */
 793         }
 794
 795         if (action_type & ACTION_SELECTION_STR) {
 796                 if (!text)
 797                         return FALSE; /* ERR: selection string but no text */
 798         }
 799
 800         if (text) {
 801                 GtkTextBuffer *textbuf;
 802
 803                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 804                 is_selection = gtk_text_buffer_get_selection_bounds
 805                         (textbuf, &start_iter, &end_iter);
 806                 if (!is_selection) {
 807                         gtk_text_buffer_get_iter_at_offset
 808                                 (textbuf, &start_iter, body_pos);
 809                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 810                 }
 811                 msg_str = gtk_text_buffer_get_text
 812                         (textbuf, &start_iter, &end_iter, FALSE);
 813                 if (is_selection)
 814                         sel_str = g_strdup(msg_str);
 815         }
 816
 817         if (action_type & ACTION_USER_STR) {
 818                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
 819                         g_free(msg_str);
 820                         g_free(sel_str);
 821                         return FALSE;
 822                 }
 823         }
 824
 825         if (action_type & ACTION_USER_HIDDEN_STR) {
 826                 if (!(user_hidden_str =
 827                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
 828                         g_free(msg_str);
 829                         g_free(sel_str);
 830                         g_free(user_str);
 831                         return FALSE;
 832                 }
 833         }
 834
 835         if (text && (action_type & ACTION_PIPE_OUT)) {
 836                 GtkTextBuffer *textbuf;
 837                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 838                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 839         }
 840
 841         children = g_new0(Children, 1);
 842
 843         children->action      = g_strdup(action);
 844         children->action_type = action_type;
 845         children->msg_text    = text;
 846         children->is_selection = is_selection;
 847
 848         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
 849             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
 850                 children->open_in = 1;
 851
 852         /* Pre-fetch bodies, makes it easier on IMAP (see bug #3011) */
 853         for (cur = msg_list; cur; cur = cur->next) {
 854                 gchar *dummy;
 855                 msginfo = (MsgInfo *)cur->data;
 856
 857                 dummy = procmsg_get_message_file((MsgInfo *)cur->data);
 858                 if (dummy)
 859                         g_free(dummy);
 860                 else
 861                         is_ok = FALSE;
 862         }
 863
 864         if (is_ok && (action_type & ACTION_SINGLE)) {
 865                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
 866                         msginfo = (MsgInfo *)cur->data;
 867                         if (!msginfo) {
 868                                 is_ok  = FALSE; /* ERR: msginfo missing */
 869                                 break;
 870                         }
 871                         cmd = parse_action_cmd(action, msginfo, msg_list,
 872                                                partinfo, user_str,
 873                                                user_hidden_str, sel_str);
 874                         if (!cmd) {
 875                                 debug_print("Action command error\n");
 876                                 is_ok  = FALSE; /* ERR: incorrect command */
 877                                 break;
 878                         }
 879                         if ((child_info = fork_child(cmd, msg_str, children))) {
 880                                 /* Pass msginfo to catch_status () */
 881                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 882                                         child_info->msginfo_list =
 883                                                 g_slist_append (NULL, msginfo);
 884                                 children_list = g_slist_append(children_list,
 885                                                                child_info);
 886                         }
 887                         g_free(cmd);
 888                 }
 889         } else if (is_ok) {
 890                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
 891                                        user_str, user_hidden_str, sel_str);
 892                 if (cmd) {
 893                         if ((child_info = fork_child(cmd, msg_str, children))) {
 894                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 895                                         child_info->msginfo_list =
 896                                                 g_slist_copy (msg_list);
 897                                 children_list = g_slist_append(children_list,
 898                                                                 child_info);
 899                         }
 900                         g_free(cmd);
 901                 } else
 902                         is_ok  = FALSE;         /* ERR: incorrect command */
 903         }
 904
 905         g_free(msg_str);
 906         g_free(sel_str);
 907         g_free(user_str);
 908         g_free(user_hidden_str);
 909
 910         if (!children_list) {
 911                  /* If not waiting for children, return */
 912                 free_children(children);
 913         } else {
 914                 GSList *cur;
 915
 916                 children->list        = children_list;
 917                 children->nb          = g_slist_length(children_list);
 918                 children->initial_nb  = children->nb;
 919
 920                 for (cur = children_list; cur; cur = cur->next) {
 921                         child_info = (ChildInfo *) cur->data;
 922                         child_info->callback = callback;
 923                         child_info->data = data;
 924                         child_info->tag_status =
 925                                 g_child_watch_add(child_info->pid, catch_status, child_info);
 926                 }
 927
 928                 create_io_dialog(children);
 929         }
 930         return is_ok;
 931 }
 932
 933 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
 934                              Children *children)
 935 {
 936         gint chld_in, chld_out, chld_err;
 937         gchar **argv, *ret_str, *trim_cmd;
 938         GPid pid;
 939         ChildInfo *child_info;
 940         gint follow_child;
 941         gssize by_written = 0, by_read = 0;
 942         gboolean result = FALSE;
 943         GError *error = NULL;
 944
 945         follow_child = !(children->action_type & ACTION_ASYNC);
 946
 947         chld_in = chld_out = chld_err = -1;
 948
 949         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
 950                                      &by_read, &by_written,
 951                                      NULL);
 952         if (!ret_str || !by_written)
 953                 ret_str = g_strdup(cmd);
 954
 955         trim_cmd = ret_str;
 956
 957         while (g_ascii_isspace(trim_cmd[0]))
 958                 trim_cmd++;
 959
 960 #ifdef G_OS_UNIX
 961         argv = g_new0(gchar *, 4);
 962         argv[0] = g_strdup("/bin/sh");
 963         argv[1] = g_strdup("-c");
 964         argv[2] = g_strdup(trim_cmd);
 965         argv[3] = 0;
 966 #else
 967         argv = strsplit_with_quote(trim_cmd, " ", 0);
 968 #endif
 969         g_free(ret_str);
 970
 971         if (follow_child) {
 972                 result = g_spawn_async_with_pipes(NULL, argv, NULL,
 973                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
 974                           NULL, NULL, &pid, &chld_in, &chld_out,
 975                           &chld_err, &error);
 976         } else {
 977                 result = g_spawn_async(NULL, argv, NULL,
 978                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH, NULL, NULL,
 979                           &pid, &error);
 980         }
 981
 982         debug_print("spawning %s: %d\n", cmd, result);
 983
 984         g_strfreev(argv);
 985
 986         if (!result) {
 987                 alertpanel_error(_("Could not fork to execute the following "
 988                                 "command:\n%s\n%s"),
 989                                  cmd, error ? error->message : _("Unknown error"));
 990                 if (error)
 991                         g_error_free(error);
 992                 return NULL;
 993         }
 994
 995         if (!(children->action_type &
 996               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
 997                 (void)close(chld_in);
 998
 999         if (!follow_child) {
1000                 g_spawn_close_pid(pid);
1001                 return NULL;
1002         }
1003         child_info = g_new0(ChildInfo, 1);
1004
1005         child_info->children    = children;
1006
1007         child_info->pid         = pid;
1008 #ifdef G_OS_UNIX
1009         child_info->next_sig    = SIGTERM;
1010 #endif
1011         child_info->cmd         = g_strdup(cmd);
1012         child_info->new_out     = FALSE;
1013         child_info->output      = g_string_new(NULL);
1014         child_info->chld_in     =
1015                 (children->action_type &
1016                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1017                         ? chld_in : -1;
1018         child_info->chld_out    = chld_out;
1019         child_info->chld_err    = chld_err;
1020         child_info->tag_status  = -1;
1021         child_info->tag_in      = -1;
1022         child_info->tag_out     = claws_input_add(chld_out, G_IO_IN | G_IO_HUP | G_IO_ERR,
1023                                                 catch_output, child_info, FALSE);
1024         child_info->tag_err     = claws_input_add(chld_err, G_IO_IN | G_IO_HUP | G_IO_ERR,
1025                                                 catch_output, child_info, FALSE);
1026
1027         if (!(children->action_type &
1028               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1029                 return child_info;
1030
1031         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1032                 int r;
1033                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1034                                              &by_read, &by_written, NULL);
1035                 if (ret_str && by_written) {
1036                         r = write(chld_in, ret_str, strlen(ret_str));
1037                         g_free(ret_str);
1038                 } else
1039                         r = write(chld_in, msg_str, strlen(msg_str));
1040                 if (!(children->action_type &
1041                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1042                         r = close(chld_in);
1043                 child_info->chld_in = -1; /* No more input */
1044                 if (r != 0)
1045                         debug_print("piping to child process: %s (%d)\n", g_strerror(errno), errno);
1046         }
1047
1048         return child_info;
1049 }
1050
1051 static void kill_children_cb(GtkWidget *widget, gpointer data)
1052 {
1053         GSList *cur;
1054         Children *children = (Children *) data;
1055         ChildInfo *child_info;
1056
1057         for (cur = children->list; cur; cur = cur->next) {
1058                 child_info = (ChildInfo *)(cur->data);
1059                 debug_print("Killing child group id %d\n", child_info->pid);
1060 #ifdef G_OS_UNIX
1061                 if (child_info->pid && kill(child_info->pid, child_info->next_sig) < 0)
1062                         perror("kill");
1063                 child_info->next_sig = SIGKILL;
1064 #else
1065                 TerminateProcess(child_info->pid, 0);
1066 #endif
1067         }
1068 }
1069
1070 static gint wait_for_children(Children *children)
1071 {
1072         gboolean new_output;
1073         ChildInfo *child_info;
1074         GSList *cur;
1075
1076         cur = children->list;
1077         new_output = FALSE;
1078         while (cur) {
1079                 child_info = (ChildInfo *)cur->data;
1080                 new_output |= child_info->new_out;
1081                 cur = cur->next;
1082         }
1083
1084         children->output |= new_output;
1085
1086         if (new_output || (children->dialog && (children->initial_nb != children->nb)))
1087                 update_io_dialog(children);
1088
1089         if (children->nb)
1090                 return FALSE;
1091
1092         if (!children->dialog) {
1093                 free_children(children);
1094         } else if (!children->output) {
1095                 gtk_widget_destroy(children->dialog);
1096         }
1097
1098         return FALSE;
1099 }
1100
1101 static void send_input(GtkWidget *w, gpointer data)
1102 {
1103         Children *children = (Children *) data;
1104         ChildInfo *child_info = (ChildInfo *) children->list->data;
1105
1106         child_info->tag_in = claws_input_add(child_info->chld_in,
1107                                            G_IO_OUT | G_IO_ERR,
1108                                            catch_input, children, FALSE);
1109 }
1110
1111 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1112 {
1113         hide_io_dialog_cb(w, data);
1114         return TRUE;
1115 }
1116
1117 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1118 {
1119
1120         Children *children = (Children *)data;
1121
1122         if (!children->nb) {
1123                 g_signal_handlers_disconnect_matched
1124                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1125                          0, 0, NULL, NULL, children);
1126                 gtk_widget_destroy(children->dialog);
1127                 free_children(children);
1128         }
1129 }
1130
1131 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1132                                      gpointer data)
1133 {
1134         if (event && (event->keyval == GDK_KEY_Escape ||
1135                       event->keyval == GDK_KEY_Return ||
1136                           event->keyval == GDK_KEY_KP_Enter))
1137                 hide_io_dialog_cb(widget, data);
1138         return TRUE;
1139 }
1140
1141 static void childinfo_close_pipes(ChildInfo *child_info)
1142 {
1143         /* stdout and stderr pipes are guaranteed to be removed by
1144          * their handler, but in case where we receive child exit notification
1145          * before grand-child's pipes closing signals, we check them and close
1146          * them if necessary
1147          */
1148         if (child_info->tag_in > 0)
1149                 g_source_remove(child_info->tag_in);
1150         if (child_info->tag_out > 0)
1151                 g_source_remove(child_info->tag_out);
1152         if (child_info->tag_err > 0)
1153                 g_source_remove(child_info->tag_err);
1154
1155         if (child_info->chld_in >= 0)
1156                 (void)close(child_info->chld_in);
1157         if (child_info->chld_out >= 0)
1158                 (void)close(child_info->chld_out);
1159         if (child_info->chld_err >= 0)
1160                 (void)close(child_info->chld_err);
1161 }
1162
1163 static void free_children(Children *children)
1164 {
1165         ChildInfo *child_info;
1166         void (*callback)(void *data) = NULL;
1167         void *data = NULL;
1168
1169         debug_print("Freeing children data %p\n", children);
1170
1171         g_free(children->action);
1172         while (children->list != NULL) {
1173                 child_info = (ChildInfo *)children->list->data;
1174                 g_free(child_info->cmd);
1175                 g_string_free(child_info->output, TRUE);
1176                 children->list = g_slist_remove(children->list, child_info);
1177                 callback = child_info->callback;
1178                 data = child_info->data;
1179                 g_free(child_info);
1180         }
1181
1182         if (callback)
1183                 callback(data);
1184
1185         g_free(children);
1186 }
1187
1188 static void update_io_dialog(Children *children)
1189 {
1190         GSList *cur;
1191
1192         debug_print("Updating actions input/output dialog.\n");
1193
1194         if (children->progress_bar) {
1195                 gchar *text;
1196 #ifdef GENERIC_UMPC
1197                 /* use a more compact format */
1198                 const gchar *format = "%s %d/%d";
1199 #else
1200                 const gchar *format = "%s %d / %d";
1201 #endif
1202
1203                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1204                                                   (children->initial_nb == 0) ? 0 :
1205                                               (gdouble) (children->initial_nb - children->nb) /
1206                                               (gdouble) children->initial_nb);
1207                 text = g_strdup_printf(format, _("Completed"),
1208                                        children->initial_nb - children->nb,
1209                                        children->initial_nb);
1210                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1211                 g_free(text);
1212         }
1213
1214         if (!children->nb) {
1215                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1216                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1217                 if (children->input_hbox)
1218                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1219                 gtk_widget_grab_focus(children->close_btn);
1220                 g_signal_connect(G_OBJECT(children->dialog),
1221                                  "key_press_event",
1222                                  G_CALLBACK(io_dialog_key_pressed_cb),
1223                                  children);
1224         }
1225
1226         if (children->output) {
1227                 GtkWidget *text = children->text;
1228                 GtkTextBuffer *textbuf;
1229                 GtkTextIter iter, start_iter, end_iter;
1230                 gchar *caption;
1231                 ChildInfo *child_info;
1232
1233                 gtk_widget_show(children->scrolledwin);
1234                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1235                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1236                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1237                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1238
1239                 for (cur = children->list; cur; cur = cur->next) {
1240                         child_info = (ChildInfo *)cur->data;
1241                         if (child_info->pid)
1242                                 caption = g_strdup_printf
1243                                         (_("--- Running: %s\n"),
1244                                          child_info->cmd);
1245                         else
1246                                 caption = g_strdup_printf
1247                                         (_("--- Ended: %s\n"),
1248                                          child_info->cmd);
1249
1250                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1251                         gtk_text_buffer_insert(textbuf, &iter,
1252                                                child_info->output->str, -1);
1253                         g_free(caption);
1254                         child_info->new_out = FALSE;
1255                 }
1256         }
1257 }
1258
1259 static void create_io_dialog(Children *children)
1260 {
1261         GtkWidget *dialog;
1262         GtkWidget *vbox;
1263         GtkWidget *entry = NULL;
1264         GtkWidget *input_hbox = NULL;
1265         GtkWidget *send_button;
1266         GtkWidget *label;
1267         GtkWidget *text;
1268         GtkWidget *scrolledwin;
1269         GtkWidget *hbox;
1270         GtkWidget *progress_bar = NULL;
1271         GtkWidget *abort_button;
1272         GtkWidget *close_button;
1273
1274         debug_print("Creating action IO dialog\n");
1275
1276         dialog = gtk_dialog_new();
1277         gtk_container_set_border_width
1278                 (GTK_CONTAINER(gtk_dialog_get_action_area(GTK_DIALOG(dialog))), 5);
1279         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1280         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1281         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1282         manage_window_set_transient(GTK_WINDOW(dialog));
1283         g_signal_connect(G_OBJECT(dialog), "delete_event",
1284                          G_CALLBACK(delete_io_dialog_cb), children);
1285         g_signal_connect(G_OBJECT(dialog), "destroy",
1286                          G_CALLBACK(hide_io_dialog_cb),
1287                          children);
1288
1289         vbox = gtk_vbox_new(FALSE, 8);
1290         gtk_container_add(GTK_CONTAINER(
1291                                 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox);
1292         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1293         gtk_widget_show(vbox);
1294
1295         label = gtk_label_new(children->action);
1296         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1297         gtk_widget_show(label);
1298
1299         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1300         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1301                                        GTK_POLICY_AUTOMATIC,
1302                                        GTK_POLICY_AUTOMATIC);
1303         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1304                                             GTK_SHADOW_IN);
1305         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1306         gtk_widget_set_size_request(scrolledwin, 560, 200);
1307         gtk_widget_hide(scrolledwin);
1308
1309         text = gtk_text_view_new();
1310
1311         if (prefs_common.textfont) {
1312                 PangoFontDescription *font_desc;
1313                 font_desc = pango_font_description_from_string
1314                         (prefs_common.textfont);
1315                 if (font_desc) {
1316                         gtk_widget_modify_font(text, font_desc);
1317                         pango_font_description_free(font_desc);
1318                 }
1319         }
1320
1321         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1322         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1323         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1324         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1325         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1326         gtk_widget_show(text);
1327
1328         if (children->open_in) {
1329                 input_hbox = gtk_hbox_new(FALSE, 8);
1330                 gtk_widget_show(input_hbox);
1331
1332                 entry = gtk_entry_new();
1333                 gtk_widget_set_size_request(entry, 320, -1);
1334                 g_signal_connect(G_OBJECT(entry), "activate",
1335                                  G_CALLBACK(send_input), children);
1336                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1337                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1338                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1339                 }
1340                 gtk_widget_show(entry);
1341
1342                 send_button = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
1343                 g_signal_connect(G_OBJECT(send_button), "clicked",
1344                                  G_CALLBACK(send_input), children);
1345                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1346                                    FALSE, 0);
1347                 gtk_widget_show(send_button);
1348
1349                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1350                 gtk_widget_grab_focus(entry);
1351         }
1352
1353         if (children->initial_nb > 1) {
1354                 gchar *text;
1355 #ifdef GENERIC_UMPC
1356                 /* use a more compact format */
1357                 const gchar *format = "%s 0/%d\n";
1358 #else
1359                 const gchar *format = "%s 0 / %d\n";
1360 #endif
1361
1362                 progress_bar = gtk_progress_bar_new();
1363 #if !GTK_CHECK_VERSION(3, 0, 0)
1364                 gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
1365                                 GTK_PROGRESS_LEFT_TO_RIGHT);
1366 #else
1367                 gtk_orientable_set_orientation(GTK_ORIENTABLE(progress_bar),
1368                                 GTK_ORIENTATION_HORIZONTAL);
1369                 gtk_progress_bar_set_inverted(GTK_PROGRESS_BAR(progress_bar),
1370                                 FALSE);
1371 #endif
1372                 text = g_strdup_printf(format, _("Completed"),
1373                                        children->initial_nb);
1374                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1375                                           text);
1376                 g_free(text);
1377                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1378                 gtk_widget_show(progress_bar);
1379         }
1380
1381         gtkut_stock_button_set_create(&hbox, &abort_button, GTK_STOCK_STOP,
1382                                       &close_button, GTK_STOCK_CLOSE, NULL, NULL);
1383         g_signal_connect(G_OBJECT(abort_button), "clicked",
1384                          G_CALLBACK(kill_children_cb), children);
1385         g_signal_connect(G_OBJECT(close_button), "clicked",
1386                          G_CALLBACK(hide_io_dialog_cb), children);
1387         gtk_widget_show(hbox);
1388
1389         if (children->nb)
1390                 gtk_widget_set_sensitive(close_button, FALSE);
1391
1392         gtk_container_add(GTK_CONTAINER(
1393                         gtk_dialog_get_action_area(GTK_DIALOG(dialog))), hbox);
1394
1395         children->dialog       = dialog;
1396         children->scrolledwin  = scrolledwin;
1397         children->text         = text;
1398         children->input_hbox   = children->open_in ? input_hbox : NULL;
1399         children->input_entry  = children->open_in ? entry : NULL;
1400         children->progress_bar = progress_bar;
1401         children->abort_btn    = abort_button;
1402         children->close_btn    = close_button;
1403
1404         gtk_widget_show(dialog);
1405 }
1406
1407 static void catch_status(GPid pid, gint status, gpointer data)
1408 {
1409         ChildInfo *child_info = (ChildInfo *)data;
1410
1411         debug_print("Child returned %d\n", status);
1412
1413         childinfo_close_pipes(child_info);
1414         g_spawn_close_pid(child_info->pid);
1415         child_info->pid = 0;
1416
1417         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1418             && child_info->msginfo_list) {
1419                 /* Actions on message *files* might change size and
1420                 * time stamp, and thus invalidate the cache */
1421                 SummaryView *summaryview  = NULL;
1422                 GSList      *cur;
1423                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1424                 char        *file;
1425                 gboolean     modified_something = FALSE;
1426                 FolderItem  *last_item = NULL;
1427                 if (mainwindow_get_mainwindow ())
1428                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1429                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1430                         msginfo = (MsgInfo *)cur->data;
1431                         if (!(msginfo && /* Stuff used valid? */
1432                             msginfo->folder && msginfo->folder->cache))
1433                                 continue;
1434                         file = procmsg_get_message_file_path (msginfo);
1435                         if (!file)
1436                                 continue;
1437                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1438                         if (!nmi)
1439                                 continue; /* Deleted? */
1440                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1441                                 nmi->folder = msginfo->folder;
1442                                 nmi->msgnum = msginfo->msgnum;
1443                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1444                                 modified_something = TRUE;
1445                                 last_item = nmi->folder;
1446                         }
1447                         procmsg_msginfo_free (&nmi);
1448                         if (summaryview && summaryview->displayed &&
1449                             summaryview->folder_item == msginfo->folder &&
1450                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1451                                 summary_redisplay_msg(summaryview);
1452
1453                 }
1454                 if (modified_something && last_item &&
1455                     summaryview && summaryview->folder_item == last_item) {
1456                         summary_show (summaryview, summaryview->folder_item);
1457                 }
1458                 g_slist_free (child_info->msginfo_list);
1459                 child_info->msginfo_list = NULL;
1460         }
1461
1462         if (!child_info->pid)
1463                 child_info->children->nb--;
1464
1465         wait_for_children(child_info->children);
1466 }
1467
1468 static void catch_input(gpointer data, gint source, GIOCondition cond)
1469 {
1470         Children *children = (Children *)data;
1471         ChildInfo *child_info = (ChildInfo *)children->list->data;
1472         gchar *input, *ret_str;
1473         gint c, count, len, r;
1474         gssize by_read = 0, by_written = 0;
1475
1476         debug_print("Sending input to grand child.\n");
1477         if (!(cond & (G_IO_OUT | G_IO_ERR)))
1478                 return;
1479
1480         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1481         gtk_widget_grab_focus(children->abort_btn);
1482
1483         g_source_remove(child_info->tag_in);
1484         child_info->tag_in = -1;
1485
1486         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1487                                        0, -1);
1488         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1489                                      &by_written, NULL);
1490         if (ret_str && by_written) {
1491                 g_free(input);
1492                 input = ret_str;
1493         }
1494
1495         len = strlen(input);
1496         count = 0;
1497
1498         do {
1499                 c = write(child_info->chld_in, input + count, len - count);
1500                 if (c >= 0)
1501                         count += c;
1502         } while (c >= 0 && count < len);
1503
1504         if (c >= 0)
1505                 r = write(child_info->chld_in, "\n", 2);
1506
1507         g_free(input);
1508
1509         r = close(child_info->chld_in);
1510         child_info->chld_in = -1;
1511         if (r != 0)
1512                 debug_print("closing child input fd: %s (%d)\n", g_strerror(errno), errno);
1513         child_info->chld_in = -1;
1514         debug_print("Input to grand child sent.\n");
1515 }
1516
1517 static void catch_output(gpointer data, gint source, GIOCondition cond)
1518 {
1519         ChildInfo *child_info = (ChildInfo *)data;
1520         gint c;
1521         gchar buf[BUFFSIZE];
1522
1523         debug_print("Catching grand child's output.\n");
1524         if (child_info->children->action_type &
1525             (ACTION_PIPE_OUT | ACTION_INSERT)
1526             && source == child_info->chld_out) {
1527                 GtkTextView *text =
1528                         GTK_TEXT_VIEW(child_info->children->msg_text);
1529                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1530                 GtkTextIter iter;
1531                 GtkTextMark *mark;
1532                 gint ins_pos;
1533
1534                 mark = gtk_text_buffer_get_insert(textbuf);
1535                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1536                 ins_pos = gtk_text_iter_get_offset(&iter);
1537
1538                 while (TRUE) {
1539                         gsize bytes_read = 0, bytes_written = 0;
1540                         gchar *ret_str;
1541
1542                         c = read(source, buf, sizeof(buf) - 1);
1543                         if (c == 0)
1544                                 break;
1545
1546                         ret_str = g_locale_to_utf8
1547                                 (buf, c - 1, &bytes_read, &bytes_written, NULL);
1548                         if (ret_str && bytes_written > 0) {
1549                                 gtk_text_buffer_insert
1550                                         (textbuf, &iter, ret_str,
1551                                          -1);
1552                                 g_free(ret_str);
1553                         } else
1554                                 gtk_text_buffer_insert(textbuf, &iter, buf, c - 1);
1555                 }
1556
1557                 if (child_info->children->is_selection) {
1558                         GtkTextIter ins;
1559
1560                         gtk_text_buffer_get_iter_at_offset
1561                                 (textbuf, &ins, ins_pos);
1562                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1563                 }
1564         } else {
1565                 c = read(source, buf, sizeof(buf) - 1);
1566                 if (c > 0) {
1567                         gsize bytes_read = 0, bytes_written = 0;
1568                         gchar *ret_str;
1569
1570                         ret_str = g_locale_to_utf8
1571                                 (buf, c, &bytes_read, &bytes_written, NULL);
1572                         if (ret_str && bytes_written > 0) {
1573                                 g_string_append_len
1574                                         (child_info->output, ret_str,
1575                                          bytes_written);
1576                                 g_free(ret_str);
1577                         } else
1578                                 g_string_append_len(child_info->output, buf, c);
1579
1580                         child_info->new_out = TRUE;
1581                 }
1582         }
1583         if (c == 0) {
1584                 if (source == child_info->chld_out) {
1585                         g_source_remove(child_info->tag_out);
1586                         child_info->tag_out = -1;
1587                         (void)close(child_info->chld_out);
1588                         child_info->chld_out = -1;
1589                 } else {
1590                         g_source_remove(child_info->tag_err);
1591                         child_info->tag_err = -1;
1592                         (void)close(child_info->chld_err);
1593                         child_info->chld_err = -1;
1594                 }
1595         }
1596
1597         wait_for_children(child_info->children);
1598 }
1599
1600 static gchar *get_user_string(const gchar *action, ActionType type)
1601 {
1602         gchar *message;
1603         gchar *user_str = NULL;
1604
1605         switch (type) {
1606         case ACTION_USER_HIDDEN_STR:
1607                 message = g_strdup_printf
1608                         (_("Enter the argument for the following action:\n"
1609                            "('%%h' will be replaced with the argument)\n"
1610                            "  %s"),
1611                          action);
1612                 user_str = input_dialog_with_invisible
1613                         (_("Action's hidden user argument"), message, NULL);
1614                 break;
1615         case ACTION_USER_STR:
1616                 message = g_strdup_printf
1617                         (_("Enter the argument for the following action:\n"
1618                            "('%%u' will be replaced with the argument)\n"
1619                            "  %s"),
1620                          action);
1621                 user_str = input_dialog
1622                         (_("Action's user argument"), message, NULL);
1623                 break;
1624         default:
1625                 g_warning("Unsupported action type %d", type);
1626         }
1627
1628         return user_str;
1629 }