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         ActionType action_type = ACTION_NONE;
 198
 199         cm_return_val_if_fail(action_str,  ACTION_ERROR);
 200         cm_return_val_if_fail(*action_str, ACTION_ERROR);
 201
 202         p = action_str;
 203
 204         if (p[0] == '|') {
 205                 action_type |= ACTION_PIPE_IN;
 206                 p++;
 207         } else if (p[0] == '>') {
 208                 action_type |= ACTION_USER_IN;
 209                 p++;
 210         } else if (p[0] == '*') {
 211                 action_type |= ACTION_USER_HIDDEN_IN;
 212                 p++;
 213         }
 214
 215         if (p[0] == '\0')
 216                 return ACTION_ERROR;
 217
 218         while (*p && action_type != ACTION_ERROR) {
 219                 if (p[0] == '%' && p[1]) {
 220                         switch (p[1]) {
 221                         case 'a':
 222                                 /* CLAWS: filtering action is a mutually exclusive
 223                                  * action. we can enable others if needed later. we
 224                                  * add ACTION_SINGLE | ACTION_MULTIPLE so it will
 225                                  * only be executed from the main window toolbar */
 226                                 if (p[2] == 's')  /* source messages */
 227                                         action_type = ACTION_FILTERING_ACTION
 228                                                     | ACTION_SINGLE
 229                                                     | ACTION_MULTIPLE;
 230                                 break;
 231                         case 'f':
 232                                 action_type |= ACTION_SINGLE;
 233                                 break;
 234                         case 'F':
 235                                 action_type |= ACTION_MULTIPLE;
 236                                 break;
 237                         case 'p':
 238                                 action_type |= ACTION_SINGLE;
 239                                 break;
 240                         case 's':
 241                                 action_type |= ACTION_SELECTION_STR;
 242                                 break;
 243                         case 'u':
 244                                 action_type |= ACTION_USER_STR;
 245                                 break;
 246                         case 'h':
 247                                 action_type |= ACTION_USER_HIDDEN_STR;
 248                                 break;
 249                         case '%':
 250                                 /* literal '%' */
 251                                 break;
 252                         default:
 253                                 action_type = ACTION_ERROR;
 254                                 break;
 255                         }
 256                         p++;
 257                 } else if (p[0] == '|') {
 258                         if (p[1] == '\0')
 259                                 action_type |= ACTION_PIPE_OUT;
 260                 } else if (p[0] == '>') {
 261                         if (p[1] == '\0')
 262                                 action_type |= ACTION_INSERT;
 263                 } else if (p[0] == '&') {
 264                         if (p[1] == '\0')
 265                                 action_type |= ACTION_ASYNC;
 266                 }
 267                 p++;
 268         }
 269
 270         return action_type;
 271 }
 272
 273 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 274                                GSList *msg_list, MimeInfo *partinfo,
 275                                const gchar *user_str,
 276                                const gchar *user_hidden_str,
 277                                const gchar *sel_str)
 278 {
 279         GString *cmd;
 280         gchar *p;
 281         GSList *cur;
 282
 283         p = action;
 284
 285         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 286                 p++;
 287
 288         cmd = g_string_sized_new(strlen(action));
 289
 290         while (p[0] &&
 291                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
 292                 if (p[0] == '%' && p[1]) {
 293                         switch (p[1]) {
 294                         case 'f':
 295                                 if (!parse_append_filename(cmd, msginfo)) {
 296                                         g_string_free(cmd, TRUE);
 297                                         return NULL;
 298                                 }
 299                                 p++;
 300                                 break;
 301                         case 'F':
 302                                 for (cur = msg_list; cur != NULL;
 303                                      cur = cur->next) {
 304                                         MsgInfo *msg = (MsgInfo *)cur->data;
 305
 306                                         if (!parse_append_filename(cmd, msg)) {
 307                                                 g_string_free(cmd, TRUE);
 308                                                 return NULL;
 309                                         }
 310                                         if (cur->next)
 311                                                 g_string_append_c(cmd, ' ');
 312                                 }
 313                                 p++;
 314                                 break;
 315                         case 'p':
 316                                 if (!parse_append_msgpart(cmd, msginfo,
 317                                                           partinfo)) {
 318                                         g_string_free(cmd, TRUE);
 319                                         return NULL;
 320                                 }
 321                                 p++;
 322                                 break;
 323                         case 's':
 324                                 if (sel_str)
 325                                         g_string_append(cmd, sel_str);
 326                                 p++;
 327                                 break;
 328                         case 'u':
 329                                 if (user_str)
 330                                         g_string_append(cmd, user_str);
 331                                 p++;
 332                                 break;
 333                         case 'h':
 334                                 if (user_hidden_str)
 335                                         g_string_append(cmd, user_hidden_str);
 336                                 p++;
 337                                 break;
 338                         case '%':
 339                                 g_string_append_c(cmd, p[1]);
 340                                 p++;
 341                                 break;
 342                         default:
 343                                 g_string_append_c(cmd, p[0]);
 344                                 g_string_append_c(cmd, p[1]);
 345                                 p++;
 346                         }
 347                 } else {
 348                         g_string_append_c(cmd, p[0]);
 349                 }
 350                 p++;
 351         }
 352         if (cmd->len == 0) {
 353                 g_string_free(cmd, TRUE);
 354                 return NULL;
 355         }
 356
 357         p = cmd->str;
 358         g_string_free(cmd, FALSE);
 359         return p;
 360 }
 361
 362 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
 363 {
 364         gchar *filename;
 365         gchar *p, *q;
 366         gchar escape_ch[] = "\\ ";
 367
 368         cm_return_val_if_fail(msginfo, FALSE);
 369
 370         filename = procmsg_get_message_file(msginfo);
 371
 372         if (!filename) {
 373                 alertpanel_error(_("Could not get message file %d"),
 374                                  msginfo->msgnum);
 375                 return FALSE;
 376         }
 377
 378         p = filename;
 379         while ((q = strpbrk(p, "$\"`'\\ \t*?[]&|;<>()!#~")) != NULL) {
 380                 escape_ch[1] = *q;
 381                 *q = '\0';
 382                 g_string_append(cmd, p);
 383                 g_string_append(cmd, escape_ch);
 384                 p = q + 1;
 385         }
 386         g_string_append(cmd, p);
 387
 388         g_free(filename);
 389
 390         return TRUE;
 391 }
 392
 393 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 394                                      MimeInfo *partinfo)
 395 {
 396         gboolean single_part = FALSE;
 397         gchar *filename;
 398         gchar *part_filename;
 399         gint ret;
 400
 401         if (!partinfo) {
 402                 partinfo = procmime_scan_message(msginfo);
 403                 if (!partinfo) {
 404                         alertpanel_error(_("Could not get message part."));
 405                         return FALSE;
 406                 }
 407
 408                 single_part = TRUE;
 409         }
 410
 411         filename = procmsg_get_message_file_path(msginfo);
 412         part_filename = procmime_get_tmp_file_name(partinfo);
 413
 414         ret = procmime_get_part(part_filename, partinfo);
 415
 416         if (single_part)
 417                 procmime_mimeinfo_free_all(partinfo);
 418         g_free(filename);
 419
 420         if (ret < 0) {
 421                 alertpanel_error(_("Can't get part of multipart message: %s"), strerror(-ret));
 422                 g_free(part_filename);
 423                 return FALSE;
 424         }
 425
 426         g_string_append(cmd, part_filename);
 427
 428         g_free(part_filename);
 429
 430         return TRUE;
 431 }
 432
 433 void actions_execute(gpointer data,
 434                      guint action_nb,
 435                      GtkWidget *widget,
 436                      gint source)
 437 {
 438         if (source == TOOLBAR_MAIN)
 439                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
 440         else if (source == TOOLBAR_COMPOSE)
 441                 compose_actions_execute((Compose*)data, action_nb, widget);
 442         else if (source == TOOLBAR_MSGVIEW)
 443                 msgview_actions_execute((MessageView*)data, action_nb, widget);
 444 }
 445
 446 void action_update_mainwin_menu(GtkUIManager *ui_manager,
 447                                 gchar *branch_path,
 448                                 MainWindow *mainwin)
 449 {
 450         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
 451                            mainwin_actions_execute_cb, mainwin);
 452 }
 453
 454 void action_update_msgview_menu(GtkUIManager    *ui_manager,
 455                                 gchar *branch_path,
 456                                 MessageView *msgview)
 457 {
 458         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
 459                            msgview_actions_execute_cb, msgview);
 460 }
 461
 462 void action_update_compose_menu(GtkUIManager *ui_manager,
 463                                 gchar *branch_path,
 464                                 Compose *compose)
 465 {
 466         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
 467                            compose_actions_execute_cb, compose);
 468 }
 469
 470 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
 471 {
 472         GList *amenu = GTK_MENU_SHELL(menu)->children;
 473         const gchar *existing_name;
 474         while (amenu) {
 475                 GtkWidget *item = GTK_WIDGET(amenu->data);
 476                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
 477                     !strcmp2(name, existing_name))
 478                          return item;
 479                 amenu = amenu->next;
 480         }
 481         return NULL;
 482 }
 483
 484 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
 485 {
 486         gchar *submenu = g_strdup(action);
 487         GtkWidget *new_menu = NULL;
 488
 489         if (strchr(submenu, '/')) {
 490                 const gchar *end = (strchr(submenu, '/')+1);
 491                 GtkWidget *menu_item = NULL;
 492                 if (end && *end) {
 493                         *strchr(submenu, '/') = '\0';
 494                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
 495                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
 496                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
 497                                 gtk_widget_show(menu_item);
 498                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
 499                                 new_menu = gtk_menu_new();
 500                                 gtk_widget_show(new_menu);
 501                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
 502                         } else {
 503                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
 504                         }
 505                         new_menu = create_submenus(new_menu, end);
 506                 }
 507         }
 508         g_free(submenu);
 509         return new_menu ? new_menu : menu;
 510 }
 511
 512 static void action_update_menu(GtkUIManager *ui_manager,
 513                                const gchar *accel_group,
 514                                gchar *branch_path,
 515                                gpointer callback, gpointer data)
 516 {
 517         GSList *cur;
 518         gchar *action, *action_p;
 519         int callback_action = 0;
 520         GtkWidget *menu = gtk_menu_new();
 521         GtkWidget *item;
 522
 523         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 524                 GtkWidget *cur_menu = menu;
 525                 const gchar *action_name = NULL;
 526                 action   = g_strdup((gchar *)cur->data);
 527                 action_p = strstr(action, ": ");
 528                 if (action_p && action_p[2] &&
 529                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
 530                     (action[0] != '/')) {
 531                         gchar *accel_path = NULL;
 532
 533                         action_p[0] = '\0';
 534                         if (strchr(action, '/')) {
 535                                 cur_menu = create_submenus(cur_menu, action);
 536                                 action_name = strrchr(action, '/')+1;
 537                         } else {
 538                                 action_name = action;
 539                         }
 540                         gtk_menu_set_accel_group (GTK_MENU (cur_menu),
 541                                 gtk_ui_manager_get_accel_group(ui_manager));
 542                         item = gtk_menu_item_new_with_label(action_name);
 543                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
 544                         g_signal_connect(G_OBJECT(item), "activate",
 545                                          G_CALLBACK(callback), data);
 546                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
 547                         gtk_widget_show(item);
 548                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
 549                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
 550                         g_free(accel_path);
 551
 552                 }
 553                 g_free(action);
 554                 callback_action++;
 555         }
 556
 557         gtk_widget_show(menu);
 558         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
 559 }
 560
 561 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
 562 {
 563         Compose *compose = (Compose *)data;
 564         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 565         compose_actions_execute(compose, action_nb, NULL);
 566 }
 567
 568 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
 569 {
 570         gchar *buf, *action;
 571         ActionType action_type;
 572
 573         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 574
 575         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 576         cm_return_if_fail(buf != NULL);
 577         action = strstr(buf, ": ");
 578         cm_return_if_fail(action != NULL);
 579
 580         /* Point to the beginning of the command-line */
 581         action += 2;
 582
 583         action_type = action_get_type(action);
 584         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
 585                 alertpanel_warning
 586                         (_("The selected action cannot be used in the compose window\n"
 587                            "because it contains %%f, %%F, %%as or %%p."));
 588                 return;
 589         }
 590
 591         execute_actions(action, NULL, compose->text, 0, NULL,
 592                 compose_action_cb, compose);
 593 }
 594
 595 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
 596 {
 597         MainWindow *mainwin = (MainWindow *)data;
 598         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 599         mainwin_actions_execute(mainwin, action_nb, NULL);
 600 }
 601
 602 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
 603                                        GtkWidget *widget)
 604 {
 605         GSList *msg_list;
 606
 607         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
 608         message_actions_execute(mainwin->messageview, action_nb, msg_list);
 609         g_slist_free(msg_list);
 610 }
 611
 612 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
 613 {
 614         MessageView *msgview = (MessageView *)data;
 615         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
 616         msgview_actions_execute(msgview, action_nb, NULL);
 617 }
 618
 619 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
 620                                        GtkWidget *widget)
 621 {
 622         GSList *msg_list = NULL;
 623
 624         if (msgview->msginfo)
 625                 msg_list = g_slist_append(msg_list, msgview->msginfo);
 626         message_actions_execute(msgview, action_nb, msg_list);
 627         g_slist_free(msg_list);
 628 }
 629
 630 static void message_actions_execute(MessageView *msgview, guint action_nb,
 631                                     GSList *msg_list)
 632 {
 633         TextView *textview;
 634         MimeInfo *partinfo;
 635         gchar *buf;
 636         gchar *action;
 637         GtkWidget *text = NULL;
 638         guint body_pos = 0;
 639         ActionType action_type;
 640
 641         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
 642
 643         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
 644
 645         cm_return_if_fail(buf);
 646         cm_return_if_fail((action = strstr(buf, ": ")));
 647
 648         /* Point to the beginning of the command-line */
 649         action += 2;
 650
 651         textview = messageview_get_current_textview(msgview);
 652         if (textview) {
 653                 text     = textview->text;
 654                 body_pos = textview->body_pos;
 655         }
 656         partinfo = messageview_get_selected_mime_part(msgview);
 657
 658         /* this command will alter the message text */
 659         action_type = action_get_type(action);
 660         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
 661                 msgview->filtered = TRUE;
 662
 663         if (action_type & ACTION_FILTERING_ACTION)
 664                 /* CLAWS: most of the above code is not necessary for applying
 665                  * filtering */
 666                 execute_filtering_actions(action, msg_list);
 667         else
 668                 execute_actions(action, msg_list, text, body_pos, partinfo,
 669                         NULL, NULL);
 670 }
 671
 672 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
 673 {
 674         GSList *action_list, *p;
 675         const gchar *sbegin, *send;
 676         gchar *action_string;
 677         SummaryView *summaryview = NULL;
 678         MainWindow *mainwin = NULL;
 679
 680         if (mainwindow_get_mainwindow()) {
 681                 summaryview = mainwindow_get_mainwindow()->summaryview;
 682                 mainwin = mainwindow_get_mainwindow();
 683         }
 684
 685         if (NULL == (sbegin = strstr2(action, "%as{")))
 686                 return FALSE;
 687         sbegin += sizeof "%as{" - 1;
 688         if (NULL == (send = strrchr(sbegin, '}')))
 689                 return FALSE;
 690         action_string = g_strndup(sbegin, send - sbegin);
 691
 692         action_list = matcher_parser_get_action_list(action_string);
 693         if (action_list == NULL) {
 694                 gchar *tmp = g_strdup(action_string);
 695
 696                 g_strstrip(tmp);
 697                 if (*tmp == '\0')
 698                         alertpanel_error(_("There is no filtering action set"));
 699                 else
 700                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
 701                 g_free(action_string);
 702                 g_free(tmp);
 703                 return FALSE;
 704         }
 705         g_free(action_string);
 706
 707         /* apply actions on each message info */
 708         for (p = msglist; p && p->data; p = g_slist_next(p)) {
 709                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
 710         }
 711
 712         if (summaryview) {
 713                 summary_lock(summaryview);
 714                 main_window_cursor_wait(mainwin);
 715                 summary_freeze(summaryview);
 716                 folder_item_update_freeze();
 717         }
 718
 719         filtering_move_and_copy_msgs(msglist);
 720
 721         if (summaryview) {
 722                 folder_item_update_thaw();
 723                 summary_thaw(summaryview);
 724                 main_window_cursor_normal(mainwin);
 725                 summary_unlock(summaryview);
 726                 summary_show(summaryview, summaryview->folder_item);
 727         }
 728         for (p = action_list; p; p = g_slist_next(p))
 729                 if (p->data) filteringaction_free(p->data);
 730         g_slist_free(action_list);
 731         return TRUE;
 732 }
 733
 734 static gboolean execute_actions(gchar *action, GSList *msg_list,
 735                                 GtkWidget *text,
 736                                 gint body_pos, MimeInfo *partinfo,
 737                                 void (*callback)(void *data), void *data)
 738 {
 739         GSList *children_list = NULL;
 740         gint is_ok  = TRUE;
 741         gint msg_list_len;
 742         Children *children;
 743         ChildInfo *child_info;
 744         ActionType action_type;
 745         MsgInfo *msginfo;
 746         gchar *cmd;
 747         gchar *sel_str = NULL;
 748         gchar *msg_str = NULL;
 749         gchar *user_str = NULL;
 750         gchar *user_hidden_str = NULL;
 751         GtkTextIter start_iter, end_iter;
 752         gboolean is_selection = FALSE;
 753
 754         cm_return_val_if_fail(action && *action, FALSE);
 755
 756         action_type = action_get_type(action);
 757
 758         if (action_type == ACTION_ERROR)
 759                 return FALSE;         /* ERR: syntax error */
 760
 761         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
 762                 return FALSE;         /* ERR: file command without selection */
 763
 764         msg_list_len = g_slist_length(msg_list);
 765
 766         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
 767                 if (msg_list_len > 1)
 768                         return FALSE; /* ERR: pipe + multiple selection */
 769                 if (!text)
 770                         return FALSE; /* ERR: pipe and no displayed text */
 771         }
 772
 773         if (action_type & ACTION_SELECTION_STR) {
 774                 if (!text)
 775                         return FALSE; /* ERR: selection string but no text */
 776         }
 777
 778         if (text) {
 779                 GtkTextBuffer *textbuf;
 780
 781                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 782                 is_selection = gtk_text_buffer_get_selection_bounds
 783                         (textbuf, &start_iter, &end_iter);
 784                 if (!is_selection) {
 785                         gtk_text_buffer_get_iter_at_offset
 786                                 (textbuf, &start_iter, body_pos);
 787                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 788                 }
 789                 msg_str = gtk_text_buffer_get_text
 790                         (textbuf, &start_iter, &end_iter, FALSE);
 791                 if (is_selection)
 792                         sel_str = g_strdup(msg_str);
 793         }
 794
 795         if (action_type & ACTION_USER_STR) {
 796                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
 797                         g_free(msg_str);
 798                         g_free(sel_str);
 799                         return FALSE;
 800                 }
 801         }
 802
 803         if (action_type & ACTION_USER_HIDDEN_STR) {
 804                 if (!(user_hidden_str =
 805                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
 806                         g_free(msg_str);
 807                         g_free(sel_str);
 808                         g_free(user_str);
 809                         return FALSE;
 810                 }
 811         }
 812
 813         if (text && (action_type & ACTION_PIPE_OUT)) {
 814                 GtkTextBuffer *textbuf;
 815                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 816                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 817         }
 818
 819         children = g_new0(Children, 1);
 820
 821         children->action      = g_strdup(action);
 822         children->action_type = action_type;
 823         children->msg_text    = text;
 824         children->is_selection = is_selection;
 825
 826         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
 827             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
 828                 children->open_in = 1;
 829
 830         if (action_type & ACTION_SINGLE) {
 831                 GSList *cur;
 832
 833                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
 834                         msginfo = (MsgInfo *)cur->data;
 835                         if (!msginfo) {
 836                                 is_ok  = FALSE; /* ERR: msginfo missing */
 837                                 break;
 838                         }
 839                         cmd = parse_action_cmd(action, msginfo, msg_list,
 840                                                partinfo, user_str,
 841                                                user_hidden_str, sel_str);
 842                         if (!cmd) {
 843                                 debug_print("Action command error\n");
 844                                 is_ok  = FALSE; /* ERR: incorrect command */
 845                                 break;
 846                         }
 847                         if ((child_info = fork_child(cmd, msg_str, children))) {
 848                                 /* Pass msginfo to catch_status () */
 849                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 850                                         child_info->msginfo_list =
 851                                                 g_slist_append (NULL, msginfo);
 852                                 children_list = g_slist_append(children_list,
 853                                                                child_info);
 854                         }
 855                         g_free(cmd);
 856                 }
 857         } else {
 858                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
 859                                        user_str, user_hidden_str, sel_str);
 860                 if (cmd) {
 861                         if ((child_info = fork_child(cmd, msg_str, children))) {
 862                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
 863                                         child_info->msginfo_list =
 864                                                 g_slist_copy (msg_list);
 865                                 children_list = g_slist_append(children_list,
 866                                                                 child_info);
 867                         }
 868                         g_free(cmd);
 869                 } else
 870                         is_ok  = FALSE;         /* ERR: incorrect command */
 871         }
 872
 873         g_free(msg_str);
 874         g_free(sel_str);
 875         g_free(user_str);
 876         g_free(user_hidden_str);
 877
 878         if (!children_list) {
 879                  /* If not waiting for children, return */
 880                 free_children(children);
 881         } else {
 882                 GSList *cur;
 883
 884                 children->list        = children_list;
 885                 children->nb          = g_slist_length(children_list);
 886                 children->initial_nb  = children->nb;
 887
 888                 for (cur = children_list; cur; cur = cur->next) {
 889                         child_info = (ChildInfo *) cur->data;
 890                         child_info->callback = callback;
 891                         child_info->data = data;
 892                         child_info->tag_status =
 893                                 claws_input_add(child_info->chld_status,
 894                                               GDK_INPUT_READ,
 895                                               catch_status, child_info,
 896                                               FALSE);
 897                 }
 898
 899                 create_io_dialog(children);
 900         }
 901         return is_ok;
 902 }
 903
 904 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
 905                              Children *children)
 906 {
 907 #ifdef G_OS_UNIX
 908         gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
 909         gchar *cmdline[4], *ret_str;
 910         pid_t pid, gch_pid;
 911         ChildInfo *child_info;
 912         gint sync;
 913         gssize by_written = 0, by_read = 0;
 914
 915         sync = !(children->action_type & ACTION_ASYNC);
 916
 917         chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
 918                 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
 919
 920         if (sync) {
 921                 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
 922                     pipe(chld_err)) {
 923                         alertpanel_error(_("Command could not be started. "
 924                                            "Pipe creation failed.\n%s"),
 925                                         g_strerror(errno));
 926                         /* Closing fd = -1 fails silently */
 927                         (void)close(chld_in[0]);
 928                         (void)close(chld_in[1]);
 929                         (void)close(chld_out[0]);
 930                         (void)close(chld_out[1]);
 931                         (void)close(chld_err[0]);
 932                         (void)close(chld_err[1]);
 933                         (void)close(chld_status[0]);
 934                         (void)close(chld_status[1]);
 935                         return NULL; /* Pipe error */
 936                 }
 937         }
 938
 939         debug_print("Forking child and grandchild.\n");
 940         debug_print("Executing: /bin/sh -c %s\n", cmd);
 941
 942         pid = fork();
 943         if (pid == 0) { /* Child */
 944                 if (setpgid(0, 0))
 945                         perror("setpgid");
 946
 947 #ifdef GDK_WINDOWING_X11
 948                 (void)close(ConnectionNumber(gdk_display));
 949 #endif /* GDK_WINDOWING_X11 */
 950
 951                 gch_pid = fork();
 952
 953                 if (gch_pid == 0) {
 954                         if (setpgid(0, getppid()))
 955                                 perror("setpgid");
 956
 957                         if (sync) {
 958                                 if (children->action_type &
 959                                     (ACTION_PIPE_IN |
 960                                      ACTION_USER_IN |
 961                                      ACTION_USER_HIDDEN_IN)) {
 962                                         (void)close(fileno(stdin));
 963                                         (void)dup  (chld_in[0]);
 964                                 }
 965                                 (void)close(chld_in[0]);
 966                                 (void)close(chld_in[1]);
 967
 968                                 (void)close(fileno(stdout));
 969                                 (void)dup  (chld_out[1]);
 970                                 (void)close(chld_out[0]);
 971                                 (void)close(chld_out[1]);
 972
 973                                 (void)close(fileno(stderr));
 974                                 (void)dup  (chld_err[1]);
 975                                 (void)close(chld_err[0]);
 976                                 (void)close(chld_err[1]);
 977                         }
 978
 979                         cmdline[0] = "sh";
 980                         cmdline[1] = "-c";
 981                         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
 982                                                      &by_read, &by_written,
 983                                                      NULL);
 984                         if (ret_str && by_written)
 985                                 cmdline[2] = ret_str;
 986                         else
 987                                 cmdline[2] = cmd;
 988                         cmdline[3] = NULL;
 989                         execvp("/bin/sh", cmdline);
 990
 991                         perror("execvp");
 992                         g_free(ret_str);
 993                         _exit(1);
 994                 } else if (gch_pid < (pid_t) 0) { /* Fork error */
 995                         if (sync)
 996                                 (void)write(chld_status[1], "1\n", 2);
 997                         perror("fork");
 998                         _exit(1);
 999                 } else { /* Child */
1000                         if (sync) {
1001                                 (void)close(chld_in[0]);
1002                                 (void)close(chld_in[1]);
1003                                 (void)close(chld_out[0]);
1004                                 (void)close(chld_out[1]);
1005                                 (void)close(chld_err[0]);
1006                                 (void)close(chld_err[1]);
1007                                 (void)close(chld_status[0]);
1008
1009                                 debug_print("Child: waiting for grandchild\n");
1010                                 waitpid(gch_pid, NULL, 0);
1011                                 debug_print("Child: grandchild ended\n");
1012                                 (void)write(chld_status[1], "0\n", 2);
1013                                 (void)close(chld_status[1]);
1014                         }
1015                         _exit(0);
1016                 }
1017         } else if (pid < 0) { /* Fork error */
1018                 alertpanel_error(_("Could not fork to execute the following "
1019                                    "command:\n%s\n%s"),
1020                                  cmd, g_strerror(errno));
1021                 return NULL;
1022         }
1023
1024         /* Parent */
1025
1026         if (!sync) {
1027                 waitpid(pid, NULL, 0);
1028                 return NULL;
1029         }
1030
1031         (void)close(chld_in[0]);
1032         if (!(children->action_type &
1033               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1034                 (void)close(chld_in[1]);
1035         (void)close(chld_out[1]);
1036         (void)close(chld_err[1]);
1037         (void)close(chld_status[1]);
1038
1039         child_info = g_new0(ChildInfo, 1);
1040
1041         child_info->children    = children;
1042
1043         child_info->pid         = pid;
1044         child_info->cmd         = g_strdup(cmd);
1045         child_info->new_out     = FALSE;
1046         child_info->output      = g_string_new(NULL);
1047         child_info->chld_in     =
1048                 (children->action_type &
1049                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1050                         ? chld_in [1] : -1;
1051         child_info->chld_out    = chld_out[0];
1052         child_info->chld_err    = chld_err[0];
1053         child_info->chld_status = chld_status[0];
1054         child_info->tag_in      = -1;
1055         child_info->tag_out     = claws_input_add(chld_out[0], GDK_INPUT_READ,
1056                                                 catch_output, child_info, FALSE);
1057         child_info->tag_err     = claws_input_add(chld_err[0], GDK_INPUT_READ,
1058                                                 catch_output, child_info, FALSE);
1059
1060         if (!(children->action_type &
1061               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1062                 return child_info;
1063
1064         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1065                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1066                                              &by_read, &by_written, NULL);
1067                 if (ret_str && by_written) {
1068                         (void)write(chld_in[1], ret_str, strlen(ret_str));
1069                         g_free(ret_str);
1070                 } else
1071                         (void)write(chld_in[1], msg_str, strlen(msg_str));
1072                 if (!(children->action_type &
1073                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1074                         (void)close(chld_in[1]);
1075                 child_info->chld_in = -1; /* No more input */
1076         }
1077
1078         return child_info;
1079 #else
1080         return NULL;
1081 #endif /* G_OS_UNIX */
1082 }
1083
1084 static void kill_children_cb(GtkWidget *widget, gpointer data)
1085 {
1086 #ifdef G_OS_UNIX
1087         GSList *cur;
1088         Children *children = (Children *) data;
1089         ChildInfo *child_info;
1090
1091         for (cur = children->list; cur; cur = cur->next) {
1092                 child_info = (ChildInfo *)(cur->data);
1093                 debug_print("Killing child group id %d\n", child_info->pid);
1094                 if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
1095                         perror("kill");
1096         }
1097 #endif /* G_OS_UNIX */
1098 }
1099
1100 static gint wait_for_children(Children *children)
1101 {
1102         gboolean new_output;
1103         ChildInfo *child_info;
1104         GSList *cur;
1105         gint nb = children->nb;
1106
1107         children->nb = 0;
1108
1109         cur = children->list;
1110         new_output = FALSE;
1111         while (cur) {
1112                 child_info = (ChildInfo *)cur->data;
1113                 if (child_info->pid)
1114                         children->nb++;
1115                 new_output |= child_info->new_out;
1116                 cur = cur->next;
1117         }
1118
1119         children->output |= new_output;
1120
1121         if (new_output || (children->dialog && (nb != children->nb)))
1122                 update_io_dialog(children);
1123
1124         if (children->nb)
1125                 return FALSE;
1126
1127         if (!children->dialog) {
1128                 free_children(children);
1129         } else if (!children->output) {
1130                 gtk_widget_destroy(children->dialog);
1131         }
1132
1133         return FALSE;
1134 }
1135
1136 static void send_input(GtkWidget *w, gpointer data)
1137 {
1138         Children *children = (Children *) data;
1139         ChildInfo *child_info = (ChildInfo *) children->list->data;
1140
1141         child_info->tag_in = claws_input_add(child_info->chld_in,
1142                                            GDK_INPUT_WRITE,
1143                                            catch_input, children, FALSE);
1144 }
1145
1146 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1147 {
1148         hide_io_dialog_cb(w, data);
1149         return TRUE;
1150 }
1151
1152 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1153 {
1154
1155         Children *children = (Children *)data;
1156
1157         if (!children->nb) {
1158                 g_signal_handlers_disconnect_matched
1159                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1160                          0, 0, NULL, NULL, children);
1161                 gtk_widget_destroy(children->dialog);
1162                 free_children(children);
1163         }
1164 }
1165
1166 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1167                                      gpointer data)
1168 {
1169         if (event && (event->keyval == GDK_Escape ||
1170                       event->keyval == GDK_Return ||
1171                           event->keyval == GDK_KP_Enter))
1172                 hide_io_dialog_cb(widget, data);
1173         return TRUE;
1174 }
1175
1176 static void childinfo_close_pipes(ChildInfo *child_info)
1177 {
1178         /* stdout and stderr pipes are guaranteed to be removed by
1179          * their handler, but in case where we receive child exit notification
1180          * before grand-child's pipes closing signals, we check them and close
1181          * them if necessary
1182          */
1183         if (child_info->tag_in > 0)
1184                 g_source_remove(child_info->tag_in);
1185         if (child_info->tag_out > 0)
1186                 g_source_remove(child_info->tag_out);
1187         if (child_info->tag_err > 0)
1188                 g_source_remove(child_info->tag_err);
1189
1190         if (child_info->chld_in >= 0)
1191                 (void)close(child_info->chld_in);
1192         if (child_info->chld_out >= 0)
1193                 (void)close(child_info->chld_out);
1194         if (child_info->chld_err >= 0)
1195                 (void)close(child_info->chld_err);
1196
1197         (void)close(child_info->chld_status);
1198 }
1199
1200 static void free_children(Children *children)
1201 {
1202         ChildInfo *child_info;
1203         void (*callback)(void *data) = NULL;
1204         void *data = NULL;
1205
1206         debug_print("Freeing children data %p\n", children);
1207
1208         g_free(children->action);
1209         while (children->list != NULL) {
1210                 child_info = (ChildInfo *)children->list->data;
1211                 g_free(child_info->cmd);
1212                 g_string_free(child_info->output, TRUE);
1213                 children->list = g_slist_remove(children->list, child_info);
1214                 callback = child_info->callback;
1215                 data = child_info->data;
1216                 g_free(child_info);
1217         }
1218
1219         if (callback)
1220                 callback(data);
1221
1222         g_free(children);
1223 }
1224
1225 static void update_io_dialog(Children *children)
1226 {
1227         GSList *cur;
1228
1229         debug_print("Updating actions input/output dialog.\n");
1230
1231         if (children->progress_bar) {
1232                 gchar *text;
1233
1234                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1235                                                   (children->initial_nb == 0) ? 0 :
1236                                               (gdouble) (children->initial_nb - children->nb) /
1237                                               (gdouble) children->initial_nb);
1238                 text = g_strdup_printf("%s %d/%d", _("Completed"),
1239                                        children->initial_nb - children->nb,
1240                                        children->initial_nb);
1241                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1242                 g_free(text);
1243         }
1244
1245         if (!children->nb) {
1246                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1247                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1248                 if (children->input_hbox)
1249                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1250                 gtk_widget_grab_focus(children->close_btn);
1251                 g_signal_connect(G_OBJECT(children->dialog),
1252                                  "key_press_event",
1253                                  G_CALLBACK(io_dialog_key_pressed_cb),
1254                                  children);
1255         }
1256
1257         if (children->output) {
1258                 GtkWidget *text = children->text;
1259                 GtkTextBuffer *textbuf;
1260                 GtkTextIter iter, start_iter, end_iter;
1261                 gchar *caption;
1262                 ChildInfo *child_info;
1263
1264                 gtk_widget_show(children->scrolledwin);
1265                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1266                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1267                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1268                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1269
1270                 for (cur = children->list; cur; cur = cur->next) {
1271                         child_info = (ChildInfo *)cur->data;
1272                         if (child_info->pid)
1273                                 caption = g_strdup_printf
1274                                         (_("--- Running: %s\n"),
1275                                          child_info->cmd);
1276                         else
1277                                 caption = g_strdup_printf
1278                                         (_("--- Ended: %s\n"),
1279                                          child_info->cmd);
1280
1281                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1282                         gtk_text_buffer_insert(textbuf, &iter,
1283                                                child_info->output->str, -1);
1284                         g_free(caption);
1285                         child_info->new_out = FALSE;
1286                 }
1287         }
1288 }
1289
1290 static void create_io_dialog(Children *children)
1291 {
1292         GtkWidget *dialog;
1293         GtkWidget *vbox;
1294         GtkWidget *entry = NULL;
1295         GtkWidget *input_hbox = NULL;
1296         GtkWidget *send_button;
1297         GtkWidget *label;
1298         GtkWidget *text;
1299         GtkWidget *scrolledwin;
1300         GtkWidget *hbox;
1301         GtkWidget *progress_bar = NULL;
1302         GtkWidget *abort_button;
1303         GtkWidget *close_button;
1304
1305         debug_print("Creating action IO dialog\n");
1306
1307         dialog = gtk_dialog_new();
1308         gtk_container_set_border_width
1309                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
1310         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1311         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1312         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1313         manage_window_set_transient(GTK_WINDOW(dialog));
1314         g_signal_connect(G_OBJECT(dialog), "delete_event",
1315                          G_CALLBACK(delete_io_dialog_cb), children);
1316         g_signal_connect(G_OBJECT(dialog), "destroy",
1317                          G_CALLBACK(hide_io_dialog_cb),
1318                          children);
1319
1320         vbox = gtk_vbox_new(FALSE, 8);
1321         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
1322         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1323         gtk_widget_show(vbox);
1324
1325         label = gtk_label_new(children->action);
1326         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1327         gtk_widget_show(label);
1328
1329         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1330         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1331                                        GTK_POLICY_AUTOMATIC,
1332                                        GTK_POLICY_AUTOMATIC);
1333         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1334                                             GTK_SHADOW_IN);
1335         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1336         gtk_widget_set_size_request(scrolledwin, 560, 200);
1337         gtk_widget_hide(scrolledwin);
1338
1339         text = gtk_text_view_new();
1340
1341         if (prefs_common.textfont) {
1342                 PangoFontDescription *font_desc;
1343                 font_desc = pango_font_description_from_string
1344                         (prefs_common.textfont);
1345                 if (font_desc) {
1346                         gtk_widget_modify_font(text, font_desc);
1347                         pango_font_description_free(font_desc);
1348                 }
1349         }
1350
1351         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1352         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1353         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1354         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1355         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1356         gtk_widget_show(text);
1357
1358         if (children->open_in) {
1359                 input_hbox = gtk_hbox_new(FALSE, 8);
1360                 gtk_widget_show(input_hbox);
1361
1362                 entry = gtk_entry_new();
1363                 gtk_widget_set_size_request(entry, 320, -1);
1364                 g_signal_connect(G_OBJECT(entry), "activate",
1365                                  G_CALLBACK(send_input), children);
1366                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1367                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1368                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1369 #ifdef MAEMO
1370                         hildon_gtk_entry_set_input_mode(GTK_ENTRY(entry),
1371                                 HILDON_GTK_INPUT_MODE_FULL |
1372                                 HILDON_GTK_INPUT_MODE_INVISIBLE);
1373 #endif
1374                 }
1375                 gtk_widget_show(entry);
1376
1377                 send_button = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
1378                 g_signal_connect(G_OBJECT(send_button), "clicked",
1379                                  G_CALLBACK(send_input), children);
1380                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1381                                    FALSE, 0);
1382                 gtk_widget_show(send_button);
1383
1384                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1385                 gtk_widget_grab_focus(entry);
1386         }
1387
1388         if (children->initial_nb > 1) {
1389                 gchar * text;
1390
1391                 progress_bar = gtk_progress_bar_new();
1392                 gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
1393                                 GTK_PROGRESS_LEFT_TO_RIGHT);
1394                 text = g_strdup_printf("%s 0/%d\n", _("Completed"),
1395                                        children->initial_nb);
1396                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1397                                           text);
1398                 g_free(text);
1399                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1400                 gtk_widget_show(progress_bar);
1401         }
1402
1403         gtkut_stock_button_set_create(&hbox, &abort_button, GTK_STOCK_STOP,
1404                                       &close_button, GTK_STOCK_CLOSE, NULL, NULL);
1405         g_signal_connect(G_OBJECT(abort_button), "clicked",
1406                          G_CALLBACK(kill_children_cb), children);
1407         g_signal_connect(G_OBJECT(close_button), "clicked",
1408                          G_CALLBACK(hide_io_dialog_cb), children);
1409         gtk_widget_show(hbox);
1410
1411         if (children->nb)
1412                 gtk_widget_set_sensitive(close_button, FALSE);
1413
1414         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1415
1416         children->dialog       = dialog;
1417         children->scrolledwin  = scrolledwin;
1418         children->text         = text;
1419         children->input_hbox   = children->open_in ? input_hbox : NULL;
1420         children->input_entry  = children->open_in ? entry : NULL;
1421         children->progress_bar = progress_bar;
1422         children->abort_btn    = abort_button;
1423         children->close_btn    = close_button;
1424
1425         gtk_widget_show(dialog);
1426 }
1427
1428 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1429 {
1430         ChildInfo *child_info = (ChildInfo *)data;
1431         gchar buf;
1432         gint c;
1433
1434         g_source_remove(child_info->tag_status);
1435
1436         c = read(source, &buf, 1);
1437         debug_print("Child returned %c\n", buf);
1438
1439 #ifdef G_OS_UNIX
1440         waitpid(-child_info->pid, NULL, 0);
1441 #endif
1442         childinfo_close_pipes(child_info);
1443         child_info->pid = 0;
1444
1445         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1446             && child_info->msginfo_list) {
1447                 /* Actions on message *files* might change size and
1448                 * time stamp, and thus invalidate the cache */
1449                 SummaryView *summaryview  = NULL;
1450                 GSList      *cur;
1451                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1452                 char        *file;
1453                 gboolean     modified_something = FALSE;
1454                 FolderItem  *last_item = NULL;
1455                 if (mainwindow_get_mainwindow ())
1456                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1457                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1458                         msginfo = (MsgInfo *)cur->data;
1459                         if (!(msginfo && /* Stuff used valid? */
1460                             msginfo->folder && msginfo->folder->cache))
1461                                 continue;
1462                         file = procmsg_get_message_file_path (msginfo);
1463                         if (!file)
1464                                 continue;
1465                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1466                         if (!nmi)
1467                                 continue; /* Deleted? */
1468                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1469                                 nmi->folder = msginfo->folder;
1470                                 nmi->msgnum = msginfo->msgnum;
1471                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1472                                 modified_something = TRUE;
1473                                 last_item = nmi->folder;
1474                         }
1475                         procmsg_msginfo_free (nmi);
1476                         if (summaryview && summaryview->displayed &&
1477                             summaryview->folder_item == msginfo->folder &&
1478                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1479                                 summary_redisplay_msg(summaryview);
1480
1481                 }
1482                 if (modified_something && last_item &&
1483                     summaryview && summaryview->folder_item == last_item) {
1484                         summary_show (summaryview, summaryview->folder_item);
1485                 }
1486                 g_slist_free (child_info->msginfo_list);
1487                 child_info->msginfo_list = NULL;
1488         }
1489
1490         wait_for_children(child_info->children);
1491 }
1492
1493 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1494 {
1495         Children *children = (Children *)data;
1496         ChildInfo *child_info = (ChildInfo *)children->list->data;
1497         gchar *input, *ret_str;
1498         gint c, count, len;
1499         gssize by_read = 0, by_written = 0;
1500
1501         debug_print("Sending input to grand child.\n");
1502         if (!(cond && GDK_INPUT_WRITE))
1503                 return;
1504
1505         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1506         gtk_widget_grab_focus(children->abort_btn);
1507
1508         g_source_remove(child_info->tag_in);
1509         child_info->tag_in = -1;
1510
1511         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1512                                        0, -1);
1513         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1514                                      &by_written, NULL);
1515         if (ret_str && by_written) {
1516                 g_free(input);
1517                 input = ret_str;
1518         }
1519
1520         len = strlen(input);
1521         count = 0;
1522
1523         do {
1524                 c = write(child_info->chld_in, input + count, len - count);
1525                 if (c >= 0)
1526                         count += c;
1527         } while (c >= 0 && count < len);
1528
1529         if (c >= 0)
1530                 (void)write(child_info->chld_in, "\n", 2);
1531
1532         g_free(input);
1533
1534         (void)close(child_info->chld_in);
1535         child_info->chld_in = -1;
1536         debug_print("Input to grand child sent.\n");
1537 }
1538
1539 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1540 {
1541         ChildInfo *child_info = (ChildInfo *)data;
1542         gint c;
1543         gchar buf[BUFFSIZE];
1544
1545         debug_print("Catching grand child's output.\n");
1546         if (child_info->children->action_type &
1547             (ACTION_PIPE_OUT | ACTION_INSERT)
1548             && source == child_info->chld_out) {
1549                 GtkTextView *text =
1550                         GTK_TEXT_VIEW(child_info->children->msg_text);
1551                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1552                 GtkTextIter iter;
1553                 GtkTextMark *mark;
1554                 gint ins_pos;
1555
1556                 mark = gtk_text_buffer_get_insert(textbuf);
1557                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1558                 ins_pos = gtk_text_iter_get_offset(&iter);
1559
1560                 while (TRUE) {
1561                         gsize bytes_read = 0, bytes_written = 0;
1562                         gchar *ret_str;
1563
1564                         c = read(source, buf, sizeof(buf) - 1);
1565                         if (c == 0)
1566                                 break;
1567
1568                         ret_str = g_locale_to_utf8
1569                                 (buf, c, &bytes_read, &bytes_written, NULL);
1570                         if (ret_str && bytes_written > 0) {
1571                                 gtk_text_buffer_insert
1572                                         (textbuf, &iter, ret_str,
1573                                          -1);
1574                                 g_free(ret_str);
1575                         } else
1576                                 gtk_text_buffer_insert(textbuf, &iter, buf, c);
1577                 }
1578
1579                 if (child_info->children->is_selection) {
1580                         GtkTextIter ins;
1581
1582                         gtk_text_buffer_get_iter_at_offset
1583                                 (textbuf, &ins, ins_pos);
1584                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1585                 }
1586         } else {
1587                 c = read(source, buf, sizeof(buf) - 1);
1588                 if (c > 0) {
1589                         gsize bytes_read = 0, bytes_written = 0;
1590                         gchar *ret_str;
1591
1592                         ret_str = g_locale_to_utf8
1593                                 (buf, c, &bytes_read, &bytes_written, NULL);
1594                         if (ret_str && bytes_written > 0) {
1595                                 g_string_append_len
1596                                         (child_info->output, ret_str,
1597                                          bytes_written);
1598                                 g_free(ret_str);
1599                         } else
1600                                 g_string_append_len(child_info->output, buf, c);
1601
1602                         child_info->new_out = TRUE;
1603                 }
1604         }
1605         if (c == 0) {
1606                 if (source == child_info->chld_out) {
1607                         g_source_remove(child_info->tag_out);
1608                         child_info->tag_out = -1;
1609                         (void)close(child_info->chld_out);
1610                         child_info->chld_out = -1;
1611                 } else {
1612                         g_source_remove(child_info->tag_err);
1613                         child_info->tag_err = -1;
1614                         (void)close(child_info->chld_err);
1615                         child_info->chld_err = -1;
1616                 }
1617         }
1618
1619         wait_for_children(child_info->children);
1620 }
1621
1622 static gchar *get_user_string(const gchar *action, ActionType type)
1623 {
1624         gchar *message;
1625         gchar *user_str = NULL;
1626
1627         switch (type) {
1628         case ACTION_USER_HIDDEN_STR:
1629                 message = g_strdup_printf
1630                         (_("Enter the argument for the following action:\n"
1631                            "('%%h' will be replaced with the argument)\n"
1632                            "  %s"),
1633                          action);
1634                 user_str = input_dialog_with_invisible
1635                         (_("Action's hidden user argument"), message, NULL);
1636                 break;
1637         case ACTION_USER_STR:
1638                 message = g_strdup_printf
1639                         (_("Enter the argument for the following action:\n"
1640                            "('%%u' will be replaced with the argument)\n"
1641                            "  %s"),
1642                          action);
1643                 user_str = input_dialog
1644                         (_("Action's user argument"), message, NULL);
1645                 break;
1646         default:
1647                 g_warning("Unsupported action type %d", type);
1648         }
1649
1650         return user_str;
1651 }