src/action.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #ifdef GDK_WINDOWING_X11
  31 #  include <gdk/gdkx.h>
  32 #endif /* GDK_WINDOWING_X11 */
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <errno.h>
  37 #include <sys/types.h>
  38 #if HAVE_SYS_WAIT_H
  39 #  include <sys/wait.h>
  40 #endif
  41 #include <signal.h>
  42 #include <unistd.h>
  43
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "manage_window.h"
  47 #include "mainwindow.h"
  48 #include "prefs_common.h"
  49 #include "alertpanel.h"
  50 #include "inputdialog.h"
  51 #include "action.h"
  52 #include "compose.h"
  53 #include "procmsg.h"
  54 #include "textview.h"
  55 #include "matcher_parser.h" /* CLAWS */
  56 #include "filtering.h"
  57 #include "procheader.h"
  58
  59 typedef struct _Children                Children;
  60 typedef struct _ChildInfo               ChildInfo;
  61 typedef struct _UserStringDialog        UserStringDialog;
  62
  63 struct _Children
  64 {
  65         GtkWidget       *dialog;
  66         GtkWidget       *text;
  67         GtkWidget       *input_entry;
  68         GtkWidget       *input_hbox;
  69         GtkWidget       *progress_bar;
  70         GtkWidget       *abort_btn;
  71         GtkWidget       *close_btn;
  72         GtkWidget       *scrolledwin;
  73
  74         gchar           *action;
  75         ActionType       action_type;
  76         GSList          *list;
  77         gint             nb;
  78         gint             initial_nb;
  79         gint             open_in;
  80         gboolean         output;
  81
  82         GtkWidget       *msg_text;
  83
  84         gboolean         is_selection;
  85 };
  86
  87 struct _ChildInfo
  88 {
  89         Children        *children;
  90         gchar           *cmd;
  91         pid_t            pid;
  92         gint             chld_in;
  93         gint             chld_out;
  94         gint             chld_err;
  95         gint             chld_status;
  96         gint             tag_in;
  97         gint             tag_out;
  98         gint             tag_err;
  99         gint             tag_status;
 100         gint             new_out;
 101
 102         GString         *output;
 103         void (*callback)(void *data);
 104         void *data;
 105
 106         GSList          *msginfo_list;
 107 };
 108
 109 static void action_update_menu          (GtkUIManager   *ui_manager,
 110                                          const gchar    *accel_group,
 111                                          gchar          *branch_path,
 112                                          gpointer        callback,
 113                                          gpointer        data);
 114 static void compose_actions_execute_cb  (GtkWidget      *widget,
 115                                          gpointer        data);
 116 static void compose_actions_execute     (Compose        *compose,
 117                                          guint           action_nb,
 118                                          GtkWidget      *widget);
 119
 120 static void mainwin_actions_execute_cb  (GtkWidget      *widget,
 121                                          gpointer        data);
 122 static void mainwin_actions_execute     (MainWindow     *mainwin,
 123                                          guint           action_nb,
 124                                          GtkWidget      *widget);
 125
 126 static void msgview_actions_execute_cb  (GtkWidget      *widget,
 127                                          gpointer        data);
 128 static void msgview_actions_execute     (MessageView    *msgview,
 129                                          guint           action_nb,
 130                                          GtkWidget      *widget);
 131
 132 static void message_actions_execute     (MessageView    *msgview,
 133                                          guint           action_nb,
 134                                          GSList         *msg_list);
 135
 136 static gboolean execute_filtering_actions(gchar         *action,
 137                                           GSList        *msglist);
 138
 139 static gboolean execute_actions         (gchar          *action,
 140                                          GSList         *msg_list,
 141                                          GtkWidget      *text,
 142                                          gint            body_pos,
 143                                          MimeInfo       *partinfo,
 144                                          void (*callback)(void *data),
 145                                          void *data);
 146
 147 static gchar *parse_action_cmd          (gchar          *action,
 148                                          MsgInfo        *msginfo,
 149                                          GSList         *msg_list,
 150                                          MimeInfo       *partinfo,
 151                                          const gchar    *user_str,
 152                                          const gchar    *user_hidden_str,
 153                                          const gchar    *sel_str);
 154 static gboolean parse_append_filename   (GString        *cmd,
 155                                          MsgInfo        *msginfo);
 156
 157 static gboolean parse_append_msgpart    (GString        *cmd,
 158                                          MsgInfo        *msginfo,
 159                                          MimeInfo       *partinfo);
 160
 161 static ChildInfo *fork_child            (gchar          *cmd,
 162                                          const gchar    *msg_str,
 163                                          Children       *children);
 164
 165 static gint wait_for_children           (Children       *children);
 166
 167 static void free_children               (Children       *children);
 168
 169 static void childinfo_close_pipes       (ChildInfo      *child_info);
 170
 171 static void create_io_dialog            (Children       *children);
 172 static void update_io_dialog            (Children       *children);
 173
 174 static void hide_io_dialog_cb           (GtkWidget      *widget,
 175                                          gpointer        data);
 176 static gint io_dialog_key_pressed_cb    (GtkWidget      *widget,
 177                                          GdkEventKey    *event,
 178                                          gpointer        data);
 179
 180 static void catch_output                (gpointer                data,
 181                                          gint                    source,
 182                                          GdkInputCondition       cond);
 183 static void catch_input                 (gpointer                data,
 184                                          gint                    source,
 185                                          GdkInputCondition       cond);
 186 static void catch_status                (gpointer                data,
 187                                          gint                    source,
 188                                          GdkInputCondition       cond);
 189
 190 static gchar *get_user_string           (const gchar    *action,
 191                                          ActionType      type);
 192
 193
 194 ActionType action_get_type(const gchar *action_str)
 195 {
 196         const gchar *p;
 197         gboolean in_filtering_action = FALSE;
 198         ActionType action_type = ACTION_NONE;
 199
 200         cm_return_val_if_fail(action_str,  ACTION_ERROR);
 201         cm_return_val_if_fail(*action_str, ACTION_ERROR);
 202
 203         p = action_str;
 204
 205         if (p[0] == '|') {
 206                 action_type |= ACTION_PIPE_IN;
 207                 p++;
 208         } else if (p[0] == '>') {
 209                 action_type |= ACTION_USER_IN;
 210                 p++;
 211         } else if (p[0] == '*') {
 212                 action_type |= ACTION_USER_HIDDEN_IN;
 213                 p++;
 214         }
 215
 216         if (p[0] == '\0')
 217                 return ACTION_ERROR;
 218
 219         while (*p && action_type != ACTION_ERROR) {
 220                 if (!in_filtering_action) {
 221                         if (p[0] == '%' && p[1]) {
 222                                 switch (p[1]) {
 223                                 case 'a':
 224                                         /* CLAWS: filtering action is a mutually exclusive
 225                                         * action. we can enable others if needed later. we
 226                                         * add ACTION_SINGLE | ACTION_MULTIPLE so it will
 227                                         * only be executed from the main window toolbar */
 228                                         if (p[2] == 's')  /* source messages */
 229                                                 action_type = ACTION_FILTERING_ACTION
 230                                                                 | ACTION_SINGLE
 231                                                                 | ACTION_MULTIPLE;
 232                                         in_filtering_action = TRUE;
 233                                         break;
 234                                 case 'f':
 235                                         action_type |= ACTION_SINGLE;
 236                                         break;
 237                                 case 'F':
 238                                         action_type |= ACTION_MULTIPLE;
 239                                         break;
 240                                 case 'p':
 241                                         action_type |= ACTION_SINGLE;
 242                                         break;
 243                                 case 's':
 244                                         action_type |= ACTION_SELECTION_STR;
 245                                         break;
 246                                 case 'u':
 247                                         action_type |= ACTION_USER_STR;
 248                                         break;
 249                                 case 'h':
 250                                         action_type |= ACTION_USER_HIDDEN_STR;
 251                                         break;
 252                                 case '%':
 253                                         /* literal '%' */
 254                                         break;
 255                                 default:
 256                                         action_type = ACTION_ERROR;
 257                                         break;
 258                                 }
 259                                 p++;
 260                         } else if (p[0] == '|') {
 261                                 if (p[1] == '\0')
 262                                         action_type |= ACTION_PIPE_OUT;
 263                         } else if (p[0] == '>') {
 264                                 if (p[1] == '\0')
 265                                         action_type |= ACTION_INSERT;
 266                         } else if (p[0] == '&') {
 267                                 if (p[1] == '\0')
 268                                         action_type |= ACTION_ASYNC;
 269                         } else if (p[0] == '}') {
 270                                 in_filtering_action = FALSE;
 271                         }
 272                 }
 273                         p++;
 274         }
 275
 276         return action_type;
 277 }
 278
 279 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 280                                GSList *msg_list, MimeInfo *partinfo,
 281                                const gchar *user_str,
 282                                const gchar *user_hidden_str,
 283                                const gchar *sel_str)
 284 {
 285         GString *cmd;
 286         gchar *p;
 287         GSList *cur;
 288
 289         p = action;
 290
 291         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 292                 p++;
 293
 294         cmd = g_string_sized_new(strlen(action));
 295
 296         while (p[0] &&
 297                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
 298                 if (p[0] == '%' && p[1]) {
 299                         switch (p[1]) {
 300                         case 'f':
 301                                 if (!parse_append_filename(cmd, msginfo)) {
 302                                         g_string_free(cmd, TRUE);
 303                                         return NULL;
 304                                 }
 305                                 p++;
 306                                 break;
 307                         case 'F':
 308                                 for (cur = msg_list; cur != NULL;
 309                                      cur = cur->next) {
 310                                         MsgInfo *msg = (MsgInfo *)cur->data;
 311
 312                                         if (!parse_append_filename(cmd, msg)) {
 313                                                 g_string_free(cmd, TRUE);
 314                                                 return NULL;
 315                                         }
 316                                         if (cur->next)
 317                                                 g_string_append_c(cmd, ' ');
 318                                 }
 319                                 p++;
 320                                 break;
 321                         case 'p':
 322                                 if (!parse_append_msgpart(cmd, msginfo,
 323                                                           partinfo)) {
 324                                         g_string_free(cmd, TRUE);
 325                                         return NULL;
 326                                 }
 327                                 p++;
 328                                 break;
 329                         case 's':
 330                                 if (sel_str)
 331                                         g_string_append(cmd, sel_str);
 332                                 p++;
 333                                 break;
 334                         case 'u':
 335                                 if (user_str)
 336                                         g_string_append(cmd, user_str);
 337                                 p++;
 338                                 break;
 339                         case 'h':
 340                                 if (user_hidden_str)
 341                                         g_string_append(cmd, user_hidden_str);
 342                                 p++;
 343                                 break;
 344                         case '%':
 345                                 g_string_append_c(cmd, p[1]);
 346                                 p++;
 347                                 break;
 348                         default:
 349                                 g_string_append_c(cmd, p[0]);
 350                                 g_string_append_c(cmd, p[1]);
 351                                 p++;
 352                         }
 353                 } else {
 354                         g_string_append_c(cmd, p[0]);
 355                 }
 356                 p++;
 357         }
 358         if (cmd->len == 0) {
 359                 g_string_free(cmd, TRUE);
 360                 return NULL;
 361         }
 362
 363         p = cmd->str;
 364         g_string_free(cmd, FALSE);
 365         return p;
 366 }
 367
 368 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
 369 {
 370         gchar *filename;
 371         gchar *p, *q;
 372         gchar escape_ch[] = "\\ ";
 373
 374         cm_return_val_if_fail(msginfo, FALSE);
 375
 376         filename = procmsg_get_message_file(msginfo);
 377
 378         if (!filename) {
 379                 alertpanel_error(_("Could not get message file %d"),
 380                                  msginfo->msgnum);
 381                 return FALSE;
 382         }
 383
 384         p = filename;
 385         while ((q = strpbrk(p, "$\"`'\\ \t*?[]&|;<>()!#~")) != NULL) {
 386                 escape_ch[1] = *q;
 387                 *q = '\0';
 388                 g_string_append(cmd, p);
 389                 g_string_append(cmd, escape_ch);
 390                 p = q + 1;
 391         }
 392         g_string_append(cmd, p);
 393
 394         g_free(filename);
 395
 396         return TRUE;
 397 }
 398
 399 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 400                                      MimeInfo *partinfo)
 401 {
 402         gboolean single_part = FALSE;
 403         gchar *filename;
 404         gchar *part_filename;
 405         gint ret;
 406
 407         if (!partinfo) {
 408                 partinfo = procmime_scan_message(msginfo);
 409                 if (!partinfo) {
 410                         alertpanel_error(_("Could not get message part."));
 411                         return FALSE;
 412                 }
 413
 414                 single_part = TRUE;
 415         }
 416
 417         filename = procmsg_get_message_file_path(msginfo);
 418         part_filename = procmime_get_tmp_file_name(partinfo);
 419
 420         ret = procmime_get_part(part_filename, partinfo);
 421
 422         if (single_part)
 423                 procmime_mimeinfo_free_all(partinfo);
 424         g_free(filename);
 425
 426         if (ret < 0) {
 427                 alertpanel_error(_("Can't get part of multipart message: %s"), strerror(-ret));
 428                 g_free(part_filename);
 429                 return FALSE;
 430         }
 431
 432         g_string_append(cmd, part_filename);
 433
 434         g_free(part_filename);
 435
 436         return TRUE;
 437 }
 438
 439 void actions_execute(gpointer data,
 440                      guint action_nb,
 441                      GtkWidget *widget,
 442                      gint source)
 443 {
 444         if (source == TOOLBAR_MAIN)
 445                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
 446         else if (source == TOOLBAR_COMPOSE)
 447                 compose_actions_execute((Compose*)data, action_nb, widget);
 448         else if (source == TOOLBAR_MSGVIEW)
 449                 msgview_actions_execute((MessageView*)data, action_nb, widget);
 450 }
 451
 452 void action_update_mainwin_menu(GtkUIManager *ui_manager,
 453                                 gchar *branch_path,
 454                                 MainWindow *mainwin)
 455 {
 456         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
 457                            mainwin_actions_execute_cb, mainwin);
 458 }
 459
 460 void action_update_msgview_menu(GtkUIManager    *ui_manager,
 461                                 gchar *branch_path,
 462                                 MessageView *msgview)
 463 {
 464         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
 465                            msgview_actions_execute_cb, msgview);
 466 }
 467
 468 void action_update_compose_menu(GtkUIManager *ui_manager,
 469                                 gchar *branch_path,
 470                                 Compose *compose)
 471 {
 472         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
 473                            compose_actions_execute_cb, compose);
 474 }
 475
 476 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
 477 {
 478         GList *amenu = GTK_MENU_SHELL(menu)->children;
 479         const gchar *existing_name;
 480         while (amenu) {
 481                 GtkWidget *item = GTK_WIDGET(amenu->data);
 482                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
 483                     !strcmp2(name, existing_name))
 484                          return item;
 485                 amenu = amenu->next;
 486         }
 487         return NULL;
 488 }
 489
 490 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
 491 {
 492         gchar *submenu = g_strdup(action);
 493         GtkWidget *new_menu = NULL;
 494
 495         if (strchr(submenu, '/')) {
 496                 const gchar *end = (strchr(submenu, '/')+1);
 497                 GtkWidget *menu_item = NULL;
 498                 if (end && *end) {
 499                         *strchr(submenu, '/') = '\0';
 500                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
 501                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
 502                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
 503                                 gtk_widget_show(menu_item);
 504                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
 505                                 new_menu = gtk_menu_new();
 506                                 gtk_widget_show(new_menu);
 507                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
 508                         } else {
 509                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
 510                         }
 511                         new_menu = create_submenus(new_menu, end);
 512                 }
 513         }
 514         g_free(submenu);
 515         return new_menu ? new_menu : menu;
 516 }
 517
 518 static void action_update_menu(GtkUIManager *ui_manager,
 519                                const gchar *accel_group,
 520                                gchar *branch_path,
 521                                gpointer callback, gpointer data)
 522 {
 523         GSList *cur;
 524         gchar *action, *action_p;
 525         int callback_action = 0;
 526         GtkWidget *menu = gtk_menu_new();
 527         GtkWidget *item;
 528
 529         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 530                 GtkWidget *cur_menu = menu;
 531                 const gchar *action_name = NULL;
 532                 action   = g_strdup((gchar *)cur->data);
 533                 action_p = strstr(action, ": ");
 534                 if (action_p && action_p[2] &&
 535                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
 536                     (action[0] != '/')) {
 537                         gchar *accel_path = NULL;
 538
 539                         action_p[0] = '\0';
 540                         if (strchr(action, '/')) {
 541                                 cur_menu = create_submenus(cur_menu, action);
 542                                 action_name = strrchr(action, '/')+1;
 543                         } else {
 544                                 action_name = action;
 545                         }
 546                         gtk_menu_set_accel_group (GTK_MENU (cur_menu),
 547                                 gtk_ui_manager_get_accel_group(ui_manager));
 548                         item = gtk_menu_item_new_with_label(action_name);
 549                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
 550                         g_signal_connect(G_OBJECT(item), "activate",
 551                                          G_CALLBACK(callback), data);
 552                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
 553                         gtk_widget_show(item);
 554                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
 555                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
 556                         g_free(accel_path);
 557
 558                 }
 559                 g_free(action);
 560                 callback_action++;
 561         }
 562
 563         gtk_widget_show(menu);
 564         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
 565 }
 566
 567 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
 568 {
 569         Compose *compose = (Compose *)data;
 570         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 571         compose_actions_execute(compose, action_nb, NULL);
 572 }
 573
 574 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
 575 {
 576         gchar *buf, *action;
 577         ActionType action_type;
 578
 579         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 580
 581         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 582         cm_return_if_fail(buf != NULL);
 583         action = strstr(buf, ": ");
 584         cm_return_if_fail(action != NULL);
 585
 586         /* Point to the beginning of the command-line */
 587         action += 2;
 588
 589         action_type = action_get_type(action);
 590         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
 591                 alertpanel_warning
 592                         (_("The selected action cannot be used in the compose window\n"
 593                            "because it contains %%f, %%F, %%as or %%p."));
 594                 return;
 595         }
 596
 597         execute_actions(action, NULL, compose->text, 0, NULL,
 598                 compose_action_cb, compose);
 599 }
 600
 601 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
 602 {
 603         MainWindow *mainwin = (MainWindow *)data;
 604         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 605         mainwin_actions_execute(mainwin, action_nb, NULL);
 606 }
 607
 608 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
 609                                        GtkWidget *widget)
 610 {
 611         GSList *msg_list;
 612
 613         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
 614         message_actions_execute(mainwin->messageview, action_nb, msg_list);
 615         g_slist_free(msg_list);
 616 }
 617
 618 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
 619 {
 620         MessageView *msgview = (MessageView *)data;
 621         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 622         msgview_actions_execute(msgview, action_nb, NULL);
 623 }
 624
 625 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
 626                                        GtkWidget *widget)
 627 {
 628         GSList *msg_list = NULL;
 629
 630         if (msgview->msginfo)
 631                 msg_list = g_slist_append(msg_list, msgview->msginfo);
 632         message_actions_execute(msgview, action_nb, msg_list);
 633         g_slist_free(msg_list);
 634 }
 635
 636 static void message_actions_execute(MessageView *msgview, guint action_nb,
 637                                     GSList *msg_list)
 638 {
 639         TextView *textview;
 640         MimeInfo *partinfo;
 641         gchar *buf;
 642         gchar *action;
 643         GtkWidget *text = NULL;
 644         guint body_pos = 0;
 645         ActionType action_type;
 646
 647         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 648
 649         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 650
 651         cm_return_if_fail(buf);
 652         cm_return_if_fail((action = strstr(buf, ": ")));
 653
 654         /* Point to the beginning of the command-line */
 655         action += 2;
 656
 657         textview = messageview_get_current_textview(msgview);
 658         if (textview) {
 659                 text     = textview->text;
 660                 body_pos = textview->body_pos;
 661         }
 662         partinfo = messageview_get_selected_mime_part(msgview);
 663
 664         /* this command will alter the message text */
 665         action_type = action_get_type(action);
 666         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
 667                 msgview->filtered = TRUE;
 668
 669         if (action_type & ACTION_FILTERING_ACTION)
 670                 /* CLAWS: most of the above code is not necessary for applying
 671                  * filtering */
 672                 execute_filtering_actions(action, msg_list);
 673         else
 674                 execute_actions(action, msg_list, text, body_pos, partinfo,
 675                         NULL, NULL);
 676 }
 677
 678 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
 679 {
 680         GSList *action_list, *p;
 681         const gchar *sbegin, *send;
 682         gchar *action_string;
 683         SummaryView *summaryview = NULL;
 684         MainWindow *mainwin = NULL;
 685
 686         if (mainwindow_get_mainwindow()) {
 687                 summaryview = mainwindow_get_mainwindow()->summaryview;
 688                 mainwin = mainwindow_get_mainwindow();
 689         }
 690
 691         if (NULL == (sbegin = strstr2(action, "%as{")))
 692                 return FALSE;
 693         sbegin += sizeof "%as{" - 1;
 694         if (NULL == (send = strrchr(sbegin, '}')))
 695                 return FALSE;
 696         action_string = g_strndup(sbegin, send - sbegin);
 697
 698         action_list = matcher_parser_get_action_list(action_string);
 699         if (action_list == NULL) {
 700                 gchar *tmp = g_strdup(action_string);
 701
 702                 g_strstrip(tmp);
 703                 if (*tmp == '\0')
 704                         alertpanel_error(_("There is no filtering action set"));
 705                 else
 706                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
 707                 g_free(action_string);
 708                 g_free(tmp);
 709                 return FALSE;
 710         }
 711         g_free(action_string);
 712
 713         /* apply actions on each message info */
 714         for (p = msglist; p && p->data; p = g_slist_next(p)) {
 715                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
 716         }
 717
 718         if (summaryview) {
 719                 summary_lock(summaryview);
 720                 main_window_cursor_wait(mainwin);
 721                 summary_freeze(summaryview);
 722                 folder_item_update_freeze();
 723         }
 724
 725         filtering_move_and_copy_msgs(msglist);
 726
 727         if (summaryview) {
 728                 folder_item_update_thaw();
 729                 summary_thaw(summaryview);
 730                 main_window_cursor_normal(mainwin);
 731                 summary_unlock(summaryview);
 732                 summary_show(summaryview, summaryview->folder_item);
 733         }
 734         for (p = action_list; p; p = g_slist_next(p))
 735                 if (p->data) filteringaction_free(p->data);
 736         g_slist_free(action_list);
 737         return TRUE;
 738 }
 739
 740 static gboolean execute_actions(gchar *action, GSList *msg_list,
 741                                 GtkWidget *text,
 742                                 gint body_pos, MimeInfo *partinfo,
 743                                 void (*callback)(void *data), void *data)
 744 {
 745         GSList *children_list = NULL;
 746         gint is_ok  = TRUE;
 747         gint msg_list_len;
 748         Children *children;
 749         ChildInfo *child_info;
 750         ActionType action_type;
 751         MsgInfo *msginfo;
 752         gchar *cmd;
 753         gchar *sel_str = NULL;
 754         gchar *msg_str = NULL;
 755         gchar *user_str = NULL;
 756         gchar *user_hidden_str = NULL;
 757         GtkTextIter start_iter, end_iter;
 758         gboolean is_selection = FALSE;
 759
 760         cm_return_val_if_fail(action && *action, FALSE);
 761
 762         action_type = action_get_type(action);
 763
 764         if (action_type == ACTION_ERROR)
 765                 return FALSE;         /* ERR: syntax error */
 766
 767         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
 768                 return FALSE;         /* ERR: file command without selection */
 769
 770         msg_list_len = g_slist_length(msg_list);
 771
 772         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
 773                 if (msg_list_len > 1)
 774                         return FALSE; /* ERR: pipe + multiple selection */
 775                 if (!text)
 776                         return FALSE; /* ERR: pipe and no displayed text */
 777         }
 778
 779         if (action_type & ACTION_SELECTION_STR) {
 780                 if (!text)
 781                         return FALSE; /* ERR: selection string but no text */
 782         }
 783
 784         if (text) {
 785                 GtkTextBuffer *textbuf;
 786
 787                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 788                 is_selection = gtk_text_buffer_get_selection_bounds
 789                         (textbuf, &start_iter, &end_iter);
 790                 if (!is_selection) {
 791                         gtk_text_buffer_get_iter_at_offset
 792                                 (textbuf, &start_iter, body_pos);
 793                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 794                 }
 795                 msg_str = gtk_text_buffer_get_text
 796                         (textbuf, &start_iter, &end_iter, FALSE);
 797                 if (is_selection)
 798                         sel_str = g_strdup(msg_str);
 799         }
 800
 801         if (action_type & ACTION_USER_STR) {
 802                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
 803                         g_free(msg_str);
 804                         g_free(sel_str);
 805                         return FALSE;
 806                 }
 807         }
 808
 809         if (action_type & ACTION_USER_HIDDEN_STR) {
 810                 if (!(user_hidden_str =
 811                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
 812                         g_free(msg_str);
 813                         g_free(sel_str);
 814                         g_free(user_str);
 815                         return FALSE;
 816                 }
 817         }
 818
 819         if (text && (action_type & ACTION_PIPE_OUT)) {
 820                 GtkTextBuffer *textbuf;
 821                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 822                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 823         }
 824
 825         children = g_new0(Children, 1);
 826
 827         children->action      = g_strdup(action);
 828         children->action_type = action_type;
 829         children->msg_text    = text;
 830         children->is_selection = is_selection;
 831
 832         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
 833             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
 834                 children->open_in = 1;
 835
 836         if (action_type & ACTION_SINGLE) {
 837                 GSList *cur;
 838
 839                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
 840                         msginfo = (MsgInfo *)cur->data;
 841                         if (!msginfo) {
 842                                 is_ok  = FALSE; /* ERR: msginfo missing */
 843                                 break;
 844                         }
 845                         cmd = parse_action_cmd(action, msginfo, msg_list,
 846                                                partinfo, user_str,
 847                                                user_hidden_str, sel_str);
 848                         if (!cmd) {
 849                                 debug_print("Action command error\n");
 850                                 is_ok  = FALSE; /* ERR: incorrect command */
 851                                 break;
 852                         }
 853                         if ((child_info = fork_child(cmd, msg_str, children))) {
 854                                 /* Pass msginfo to catch_status () */
 855                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 856                                         child_info->msginfo_list =
 857                                                 g_slist_append (NULL, msginfo);
 858                                 children_list = g_slist_append(children_list,
 859                                                                child_info);
 860                         }
 861                         g_free(cmd);
 862                 }
 863         } else {
 864                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
 865                                        user_str, user_hidden_str, sel_str);
 866                 if (cmd) {
 867                         if ((child_info = fork_child(cmd, msg_str, children))) {
 868                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 869                                         child_info->msginfo_list =
 870                                                 g_slist_copy (msg_list);
 871                                 children_list = g_slist_append(children_list,
 872                                                                 child_info);
 873                         }
 874                         g_free(cmd);
 875                 } else
 876                         is_ok  = FALSE;         /* ERR: incorrect command */
 877         }
 878
 879         g_free(msg_str);
 880         g_free(sel_str);
 881         g_free(user_str);
 882         g_free(user_hidden_str);
 883
 884         if (!children_list) {
 885                  /* If not waiting for children, return */
 886                 free_children(children);
 887         } else {
 888                 GSList *cur;
 889
 890                 children->list        = children_list;
 891                 children->nb          = g_slist_length(children_list);
 892                 children->initial_nb  = children->nb;
 893
 894                 for (cur = children_list; cur; cur = cur->next) {
 895                         child_info = (ChildInfo *) cur->data;
 896                         child_info->callback = callback;
 897                         child_info->data = data;
 898                         child_info->tag_status =
 899                                 claws_input_add(child_info->chld_status,
 900                                               GDK_INPUT_READ,
 901                                               catch_status, child_info,
 902                                               FALSE);
 903                 }
 904
 905                 create_io_dialog(children);
 906         }
 907         return is_ok;
 908 }
 909
 910 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
 911                              Children *children)
 912 {
 913 #ifdef G_OS_UNIX
 914         gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
 915         gchar *cmdline[4], *ret_str;
 916         pid_t pid, gch_pid;
 917         ChildInfo *child_info;
 918         gint sync;
 919         gssize by_written = 0, by_read = 0;
 920
 921         sync = !(children->action_type & ACTION_ASYNC);
 922
 923         chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
 924                 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
 925
 926         if (sync) {
 927                 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
 928                     pipe(chld_err)) {
 929                         alertpanel_error(_("Command could not be started. "
 930                                            "Pipe creation failed.\n%s"),
 931                                         g_strerror(errno));
 932                         /* Closing fd = -1 fails silently */
 933                         (void)close(chld_in[0]);
 934                         (void)close(chld_in[1]);
 935                         (void)close(chld_out[0]);
 936                         (void)close(chld_out[1]);
 937                         (void)close(chld_err[0]);
 938                         (void)close(chld_err[1]);
 939                         (void)close(chld_status[0]);
 940                         (void)close(chld_status[1]);
 941                         return NULL; /* Pipe error */
 942                 }
 943         }
 944
 945         debug_print("Forking child and grandchild.\n");
 946         debug_print("Executing: /bin/sh -c %s\n", cmd);
 947
 948         pid = fork();
 949         if (pid == 0) { /* Child */
 950                 int r = 0;
 951                 if (setpgid(0, 0))
 952                         perror("setpgid");
 953
 954 #ifdef GDK_WINDOWING_X11
 955                 r = close(ConnectionNumber(gdk_display_get_default()));
 956 #endif /* GDK_WINDOWING_X11 */
 957
 958                 gch_pid = fork();
 959
 960                 if (gch_pid == 0) {
 961                         if (setpgid(0, getppid()))
 962                                 perror("setpgid");
 963
 964                         if (sync) {
 965                                 if (children->action_type &
 966                                     (ACTION_PIPE_IN |
 967                                      ACTION_USER_IN |
 968                                      ACTION_USER_HIDDEN_IN)) {
 969                                         r |= close(fileno(stdin));
 970                                         r |= dup  (chld_in[0]);
 971                                 }
 972                                 r |= close(chld_in[0]);
 973                                 r |= close(chld_in[1]);
 974
 975                                 r |= close(fileno(stdout));
 976                                 r |= dup  (chld_out[1]);
 977                                 r |= close(chld_out[0]);
 978                                 r |= close(chld_out[1]);
 979
 980                                 r |= close(fileno(stderr));
 981                                 r |= dup  (chld_err[1]);
 982                                 r |= close(chld_err[0]);
 983                                 r |= close(chld_err[1]);
 984
 985                                 if (r != 0)
 986                                         g_warning("%s(%d)", strerror(errno), errno);
 987                         }
 988
 989                         cmdline[0] = "sh";
 990                         cmdline[1] = "-c";
 991                         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
 992                                                      &by_read, &by_written,
 993                                                      NULL);
 994                         if (ret_str && by_written)
 995                                 cmdline[2] = ret_str;
 996                         else
 997                                 cmdline[2] = cmd;
 998                         cmdline[3] = NULL;
 999                         execvp("/bin/sh", cmdline);
1000
1001                         perror("execvp");
1002                         g_free(ret_str);
1003                         _exit(1);
1004                 } else if (gch_pid < (pid_t) 0) { /* Fork error */
1005                         if (sync)
1006                                 r = write(chld_status[1], "1\n", 2);
1007                         if (r != 0)
1008                                 g_warning("%s(%d)", strerror(errno), errno);
1009                         perror("fork");
1010                         _exit(1);
1011                 } else { /* Child */
1012                         if (sync) {
1013                                 r |= close(chld_in[0]);
1014                                 r |= close(chld_in[1]);
1015                                 r |= close(chld_out[0]);
1016                                 r |= close(chld_out[1]);
1017                                 r |= close(chld_err[0]);
1018                                 r |= close(chld_err[1]);
1019                                 r |= close(chld_status[0]);
1020
1021                                 debug_print("Child: waiting for grandchild\n");
1022                                 r |= waitpid(gch_pid, NULL, 0);
1023                                 debug_print("Child: grandchild ended\n");
1024                                 r |= write(chld_status[1], "0\n", 2);
1025                                 r |= close(chld_status[1]);
1026
1027                                 if (r != 0)
1028                                         g_warning("%s(%d)", strerror(errno), errno);
1029                         }
1030                         _exit(0);
1031                 }
1032         } else if (pid < 0) { /* Fork error */
1033                 alertpanel_error(_("Could not fork to execute the following "
1034                                    "command:\n%s\n%s"),
1035                                  cmd, g_strerror(errno));
1036                 return NULL;
1037         }
1038
1039         /* Parent */
1040
1041         if (!sync) {
1042                 waitpid(pid, NULL, 0);
1043                 return NULL;
1044         }
1045
1046         (void)close(chld_in[0]);
1047         if (!(children->action_type &
1048               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1049                 (void)close(chld_in[1]);
1050         (void)close(chld_out[1]);
1051         (void)close(chld_err[1]);
1052         (void)close(chld_status[1]);
1053
1054         child_info = g_new0(ChildInfo, 1);
1055
1056         child_info->children    = children;
1057
1058         child_info->pid         = pid;
1059         child_info->cmd         = g_strdup(cmd);
1060         child_info->new_out     = FALSE;
1061         child_info->output      = g_string_new(NULL);
1062         child_info->chld_in     =
1063                 (children->action_type &
1064                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1065                         ? chld_in [1] : -1;
1066         child_info->chld_out    = chld_out[0];
1067         child_info->chld_err    = chld_err[0];
1068         child_info->chld_status = chld_status[0];
1069         child_info->tag_in      = -1;
1070         child_info->tag_out     = claws_input_add(chld_out[0], GDK_INPUT_READ,
1071                                                 catch_output, child_info, FALSE);
1072         child_info->tag_err     = claws_input_add(chld_err[0], GDK_INPUT_READ,
1073                                                 catch_output, child_info, FALSE);
1074
1075         if (!(children->action_type &
1076               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1077                 return child_info;
1078
1079         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1080                 int r;
1081                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1082                                              &by_read, &by_written, NULL);
1083                 if (ret_str && by_written) {
1084                         r = write(chld_in[1], ret_str, strlen(ret_str));
1085                         g_free(ret_str);
1086                 } else
1087                         r = write(chld_in[1], msg_str, strlen(msg_str));
1088                 if (!(children->action_type &
1089                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1090                         r = close(chld_in[1]);
1091                 child_info->chld_in = -1; /* No more input */
1092                 if (r != 0)
1093                         g_warning("%s(%d)", strerror(errno), errno);
1094         }
1095
1096         return child_info;
1097 #else
1098         return NULL;
1099 #endif /* G_OS_UNIX */
1100 }
1101
1102 static void kill_children_cb(GtkWidget *widget, gpointer data)
1103 {
1104 #ifdef G_OS_UNIX
1105         GSList *cur;
1106         Children *children = (Children *) data;
1107         ChildInfo *child_info;
1108
1109         for (cur = children->list; cur; cur = cur->next) {
1110                 child_info = (ChildInfo *)(cur->data);
1111                 debug_print("Killing child group id %d\n", child_info->pid);
1112                 if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
1113                         perror("kill");
1114         }
1115 #endif /* G_OS_UNIX */
1116 }
1117
1118 static gint wait_for_children(Children *children)
1119 {
1120         gboolean new_output;
1121         ChildInfo *child_info;
1122         GSList *cur;
1123
1124         cur = children->list;
1125         new_output = FALSE;
1126         while (cur) {
1127                 child_info = (ChildInfo *)cur->data;
1128                 new_output |= child_info->new_out;
1129                 cur = cur->next;
1130         }
1131
1132         children->output |= new_output;
1133
1134         if (new_output || (children->dialog && (children->initial_nb != children->nb)))
1135                 update_io_dialog(children);
1136
1137         if (children->nb)
1138                 return FALSE;
1139
1140         if (!children->dialog) {
1141                 free_children(children);
1142         } else if (!children->output) {
1143                 gtk_widget_destroy(children->dialog);
1144         }
1145
1146         return FALSE;
1147 }
1148
1149 static void send_input(GtkWidget *w, gpointer data)
1150 {
1151         Children *children = (Children *) data;
1152         ChildInfo *child_info = (ChildInfo *) children->list->data;
1153
1154         child_info->tag_in = claws_input_add(child_info->chld_in,
1155                                            GDK_INPUT_WRITE,
1156                                            catch_input, children, FALSE);
1157 }
1158
1159 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1160 {
1161         hide_io_dialog_cb(w, data);
1162         return TRUE;
1163 }
1164
1165 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1166 {
1167
1168         Children *children = (Children *)data;
1169
1170         if (!children->nb) {
1171                 g_signal_handlers_disconnect_matched
1172                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1173                          0, 0, NULL, NULL, children);
1174                 gtk_widget_destroy(children->dialog);
1175                 free_children(children);
1176         }
1177 }
1178
1179 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1180                                      gpointer data)
1181 {
1182         if (event && (event->keyval == GDK_Escape ||
1183                       event->keyval == GDK_Return ||
1184                           event->keyval == GDK_KP_Enter))
1185                 hide_io_dialog_cb(widget, data);
1186         return TRUE;
1187 }
1188
1189 static void childinfo_close_pipes(ChildInfo *child_info)
1190 {
1191         /* stdout and stderr pipes are guaranteed to be removed by
1192          * their handler, but in case where we receive child exit notification
1193          * before grand-child's pipes closing signals, we check them and close
1194          * them if necessary
1195          */
1196         if (child_info->tag_in > 0)
1197                 g_source_remove(child_info->tag_in);
1198         if (child_info->tag_out > 0)
1199                 g_source_remove(child_info->tag_out);
1200         if (child_info->tag_err > 0)
1201                 g_source_remove(child_info->tag_err);
1202
1203         if (child_info->chld_in >= 0)
1204                 (void)close(child_info->chld_in);
1205         if (child_info->chld_out >= 0)
1206                 (void)close(child_info->chld_out);
1207         if (child_info->chld_err >= 0)
1208                 (void)close(child_info->chld_err);
1209
1210         (void)close(child_info->chld_status);
1211 }
1212
1213 static void free_children(Children *children)
1214 {
1215         ChildInfo *child_info;
1216         void (*callback)(void *data) = NULL;
1217         void *data = NULL;
1218
1219         debug_print("Freeing children data %p\n", children);
1220
1221         g_free(children->action);
1222         while (children->list != NULL) {
1223                 child_info = (ChildInfo *)children->list->data;
1224                 g_free(child_info->cmd);
1225                 g_string_free(child_info->output, TRUE);
1226                 children->list = g_slist_remove(children->list, child_info);
1227                 callback = child_info->callback;
1228                 data = child_info->data;
1229                 g_free(child_info);
1230         }
1231
1232         if (callback)
1233                 callback(data);
1234
1235         g_free(children);
1236 }
1237
1238 static void update_io_dialog(Children *children)
1239 {
1240         GSList *cur;
1241
1242         debug_print("Updating actions input/output dialog.\n");
1243
1244         if (children->progress_bar) {
1245                 gchar *text;
1246
1247                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1248                                                   (children->initial_nb == 0) ? 0 :
1249                                               (gdouble) (children->initial_nb - children->nb) /
1250                                               (gdouble) children->initial_nb);
1251                 text = g_strdup_printf("%s %d/%d", _("Completed"),
1252                                        children->initial_nb - children->nb,
1253                                        children->initial_nb);
1254                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1255                 g_free(text);
1256         }
1257
1258         if (!children->nb) {
1259                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1260                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1261                 if (children->input_hbox)
1262                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1263                 gtk_widget_grab_focus(children->close_btn);
1264                 g_signal_connect(G_OBJECT(children->dialog),
1265                                  "key_press_event",
1266                                  G_CALLBACK(io_dialog_key_pressed_cb),
1267                                  children);
1268         }
1269
1270         if (children->output) {
1271                 GtkWidget *text = children->text;
1272                 GtkTextBuffer *textbuf;
1273                 GtkTextIter iter, start_iter, end_iter;
1274                 gchar *caption;
1275                 ChildInfo *child_info;
1276
1277                 gtk_widget_show(children->scrolledwin);
1278                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1279                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1280                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1281                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1282
1283                 for (cur = children->list; cur; cur = cur->next) {
1284                         child_info = (ChildInfo *)cur->data;
1285                         if (child_info->pid)
1286                                 caption = g_strdup_printf
1287                                         (_("--- Running: %s\n"),
1288                                          child_info->cmd);
1289                         else
1290                                 caption = g_strdup_printf
1291                                         (_("--- Ended: %s\n"),
1292                                          child_info->cmd);
1293
1294                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1295                         gtk_text_buffer_insert(textbuf, &iter,
1296                                                child_info->output->str, -1);
1297                         g_free(caption);
1298                         child_info->new_out = FALSE;
1299                 }
1300         }
1301 }
1302
1303 static void create_io_dialog(Children *children)
1304 {
1305         GtkWidget *dialog;
1306         GtkWidget *vbox;
1307         GtkWidget *entry = NULL;
1308         GtkWidget *input_hbox = NULL;
1309         GtkWidget *send_button;
1310         GtkWidget *label;
1311         GtkWidget *text;
1312         GtkWidget *scrolledwin;
1313         GtkWidget *hbox;
1314         GtkWidget *progress_bar = NULL;
1315         GtkWidget *abort_button;
1316         GtkWidget *close_button;
1317
1318         debug_print("Creating action IO dialog\n");
1319
1320         dialog = gtk_dialog_new();
1321         gtk_container_set_border_width
1322                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
1323         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1324         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1325         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1326         manage_window_set_transient(GTK_WINDOW(dialog));
1327         g_signal_connect(G_OBJECT(dialog), "delete_event",
1328                          G_CALLBACK(delete_io_dialog_cb), children);
1329         g_signal_connect(G_OBJECT(dialog), "destroy",
1330                          G_CALLBACK(hide_io_dialog_cb),
1331                          children);
1332
1333         vbox = gtk_vbox_new(FALSE, 8);
1334         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
1335         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1336         gtk_widget_show(vbox);
1337
1338         label = gtk_label_new(children->action);
1339         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1340         gtk_widget_show(label);
1341
1342         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1343         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1344                                        GTK_POLICY_AUTOMATIC,
1345                                        GTK_POLICY_AUTOMATIC);
1346         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1347                                             GTK_SHADOW_IN);
1348         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1349         gtk_widget_set_size_request(scrolledwin, 560, 200);
1350         gtk_widget_hide(scrolledwin);
1351
1352         text = gtk_text_view_new();
1353
1354         if (prefs_common.textfont) {
1355                 PangoFontDescription *font_desc;
1356                 font_desc = pango_font_description_from_string
1357                         (prefs_common.textfont);
1358                 if (font_desc) {
1359                         gtk_widget_modify_font(text, font_desc);
1360                         pango_font_description_free(font_desc);
1361                 }
1362         }
1363
1364         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1365         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1366         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1367         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1368         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1369         gtk_widget_show(text);
1370
1371         if (children->open_in) {
1372                 input_hbox = gtk_hbox_new(FALSE, 8);
1373                 gtk_widget_show(input_hbox);
1374
1375                 entry = gtk_entry_new();
1376                 gtk_widget_set_size_request(entry, 320, -1);
1377                 g_signal_connect(G_OBJECT(entry), "activate",
1378                                  G_CALLBACK(send_input), children);
1379                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1380                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1381                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1382 #ifdef MAEMO
1383                         hildon_gtk_entry_set_input_mode(GTK_ENTRY(entry),
1384                                 HILDON_GTK_INPUT_MODE_FULL |
1385                                 HILDON_GTK_INPUT_MODE_INVISIBLE);
1386 #endif
1387                 }
1388                 gtk_widget_show(entry);
1389
1390                 send_button = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
1391                 g_signal_connect(G_OBJECT(send_button), "clicked",
1392                                  G_CALLBACK(send_input), children);
1393                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1394                                    FALSE, 0);
1395                 gtk_widget_show(send_button);
1396
1397                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1398                 gtk_widget_grab_focus(entry);
1399         }
1400
1401         if (children->initial_nb > 1) {
1402                 gchar * text;
1403
1404                 progress_bar = gtk_progress_bar_new();
1405                 gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
1406                                 GTK_PROGRESS_LEFT_TO_RIGHT);
1407                 text = g_strdup_printf("%s 0/%d\n", _("Completed"),
1408                                        children->initial_nb);
1409                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1410                                           text);
1411                 g_free(text);
1412                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1413                 gtk_widget_show(progress_bar);
1414         }
1415
1416         gtkut_stock_button_set_create(&hbox, &abort_button, GTK_STOCK_STOP,
1417                                       &close_button, GTK_STOCK_CLOSE, NULL, NULL);
1418         g_signal_connect(G_OBJECT(abort_button), "clicked",
1419                          G_CALLBACK(kill_children_cb), children);
1420         g_signal_connect(G_OBJECT(close_button), "clicked",
1421                          G_CALLBACK(hide_io_dialog_cb), children);
1422         gtk_widget_show(hbox);
1423
1424         if (children->nb)
1425                 gtk_widget_set_sensitive(close_button, FALSE);
1426
1427         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1428
1429         children->dialog       = dialog;
1430         children->scrolledwin  = scrolledwin;
1431         children->text         = text;
1432         children->input_hbox   = children->open_in ? input_hbox : NULL;
1433         children->input_entry  = children->open_in ? entry : NULL;
1434         children->progress_bar = progress_bar;
1435         children->abort_btn    = abort_button;
1436         children->close_btn    = close_button;
1437
1438         gtk_widget_show(dialog);
1439 }
1440
1441 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1442 {
1443         ChildInfo *child_info = (ChildInfo *)data;
1444         gchar buf;
1445         gint c;
1446
1447         g_source_remove(child_info->tag_status);
1448
1449         c = read(source, &buf, 1);
1450         debug_print("Child returned %c\n", buf);
1451
1452 #ifdef G_OS_UNIX
1453         waitpid(-child_info->pid, NULL, 0);
1454 #endif
1455         childinfo_close_pipes(child_info);
1456         child_info->pid = 0;
1457
1458         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1459             && child_info->msginfo_list) {
1460                 /* Actions on message *files* might change size and
1461                 * time stamp, and thus invalidate the cache */
1462                 SummaryView *summaryview  = NULL;
1463                 GSList      *cur;
1464                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1465                 char        *file;
1466                 gboolean     modified_something = FALSE;
1467                 FolderItem  *last_item = NULL;
1468                 if (mainwindow_get_mainwindow ())
1469                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1470                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1471                         msginfo = (MsgInfo *)cur->data;
1472                         if (!(msginfo && /* Stuff used valid? */
1473                             msginfo->folder && msginfo->folder->cache))
1474                                 continue;
1475                         file = procmsg_get_message_file_path (msginfo);
1476                         if (!file)
1477                                 continue;
1478                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1479                         if (!nmi)
1480                                 continue; /* Deleted? */
1481                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1482                                 nmi->folder = msginfo->folder;
1483                                 nmi->msgnum = msginfo->msgnum;
1484                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1485                                 modified_something = TRUE;
1486                                 last_item = nmi->folder;
1487                         }
1488                         procmsg_msginfo_free (nmi);
1489                         if (summaryview && summaryview->displayed &&
1490                             summaryview->folder_item == msginfo->folder &&
1491                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1492                                 summary_redisplay_msg(summaryview);
1493
1494                 }
1495                 if (modified_something && last_item &&
1496                     summaryview && summaryview->folder_item == last_item) {
1497                         summary_show (summaryview, summaryview->folder_item);
1498                 }
1499                 g_slist_free (child_info->msginfo_list);
1500                 child_info->msginfo_list = NULL;
1501         }
1502
1503         if (!child_info->pid)
1504                 child_info->children->nb--;
1505
1506         wait_for_children(child_info->children);
1507 }
1508
1509 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1510 {
1511         Children *children = (Children *)data;
1512         ChildInfo *child_info = (ChildInfo *)children->list->data;
1513         gchar *input, *ret_str;
1514         gint c, count, len, r;
1515         gssize by_read = 0, by_written = 0;
1516
1517         debug_print("Sending input to grand child.\n");
1518         if (!(cond && GDK_INPUT_WRITE))
1519                 return;
1520
1521         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1522         gtk_widget_grab_focus(children->abort_btn);
1523
1524         g_source_remove(child_info->tag_in);
1525         child_info->tag_in = -1;
1526
1527         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1528                                        0, -1);
1529         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1530                                      &by_written, NULL);
1531         if (ret_str && by_written) {
1532                 g_free(input);
1533                 input = ret_str;
1534         }
1535
1536         len = strlen(input);
1537         count = 0;
1538
1539         do {
1540                 c = write(child_info->chld_in, input + count, len - count);
1541                 if (c >= 0)
1542                         count += c;
1543         } while (c >= 0 && count < len);
1544
1545         if (c >= 0)
1546                 r = write(child_info->chld_in, "\n", 2);
1547
1548         g_free(input);
1549
1550         r = close(child_info->chld_in);
1551         if (r != 0)
1552                 g_warning("%s(%d)", strerror(errno), errno);
1553         child_info->chld_in = -1;
1554         debug_print("Input to grand child sent.\n");
1555 }
1556
1557 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1558 {
1559         ChildInfo *child_info = (ChildInfo *)data;
1560         gint c;
1561         gchar buf[BUFFSIZE];
1562
1563         debug_print("Catching grand child's output.\n");
1564         if (child_info->children->action_type &
1565             (ACTION_PIPE_OUT | ACTION_INSERT)
1566             && source == child_info->chld_out) {
1567                 GtkTextView *text =
1568                         GTK_TEXT_VIEW(child_info->children->msg_text);
1569                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1570                 GtkTextIter iter;
1571                 GtkTextMark *mark;
1572                 gint ins_pos;
1573
1574                 mark = gtk_text_buffer_get_insert(textbuf);
1575                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1576                 ins_pos = gtk_text_iter_get_offset(&iter);
1577
1578                 while (TRUE) {
1579                         gsize bytes_read = 0, bytes_written = 0;
1580                         gchar *ret_str;
1581
1582                         c = read(source, buf, sizeof(buf) - 1);
1583                         if (c == 0)
1584                                 break;
1585
1586                         ret_str = g_locale_to_utf8
1587                                 (buf, c, &bytes_read, &bytes_written, NULL);
1588                         if (ret_str && bytes_written > 0) {
1589                                 gtk_text_buffer_insert
1590                                         (textbuf, &iter, ret_str,
1591                                          -1);
1592                                 g_free(ret_str);
1593                         } else
1594                                 gtk_text_buffer_insert(textbuf, &iter, buf, c);
1595                 }
1596
1597                 if (child_info->children->is_selection) {
1598                         GtkTextIter ins;
1599
1600                         gtk_text_buffer_get_iter_at_offset
1601                                 (textbuf, &ins, ins_pos);
1602                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1603                 }
1604         } else {
1605                 c = read(source, buf, sizeof(buf) - 1);
1606                 if (c > 0) {
1607                         gsize bytes_read = 0, bytes_written = 0;
1608                         gchar *ret_str;
1609
1610                         ret_str = g_locale_to_utf8
1611                                 (buf, c, &bytes_read, &bytes_written, NULL);
1612                         if (ret_str && bytes_written > 0) {
1613                                 g_string_append_len
1614                                         (child_info->output, ret_str,
1615                                          bytes_written);
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 }