src/procmsg.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <ctype.h>
  26
  27 #include "intl.h"
  28 #include "main.h"
  29 #include "utils.h"
  30 #include "procmsg.h"
  31 #include "procheader.h"
  32 #include "send_message.h"
  33 #include "procmime.h"
  34 #include "statusbar.h"
  35 #include "prefs_filtering.h"
  36 #include "filtering.h"
  37 #include "folder.h"
  38 #include "prefs_common.h"
  39 #include "account.h"
  40 #if USE_GPGME
  41 #  include "rfc2015.h"
  42 #endif
  43 #include "alertpanel.h"
  44 #include "news.h"
  45 #include "hooks.h"
  46 #include "msgcache.h"
  47
  48 typedef struct _FlagInfo        FlagInfo;
  49
  50 struct _FlagInfo
  51 {
  52         guint    msgnum;
  53         MsgFlags flags;
  54 };
  55
  56 GHashTable *procmsg_msg_hash_table_create(GSList *mlist)
  57 {
  58         GHashTable *msg_table;
  59
  60         if (mlist == NULL) return NULL;
  61
  62         msg_table = g_hash_table_new(NULL, g_direct_equal);
  63         procmsg_msg_hash_table_append(msg_table, mlist);
  64
  65         return msg_table;
  66 }
  67
  68 void procmsg_msg_hash_table_append(GHashTable *msg_table, GSList *mlist)
  69 {
  70         GSList *cur;
  71         MsgInfo *msginfo;
  72
  73         if (msg_table == NULL || mlist == NULL) return;
  74
  75         for (cur = mlist; cur != NULL; cur = cur->next) {
  76                 msginfo = (MsgInfo *)cur->data;
  77
  78                 g_hash_table_insert(msg_table,
  79                                     GUINT_TO_POINTER(msginfo->msgnum),
  80                                     msginfo);
  81         }
  82 }
  83
  84 GHashTable *procmsg_to_folder_hash_table_create(GSList *mlist)
  85 {
  86         GHashTable *msg_table;
  87         GSList *cur;
  88         MsgInfo *msginfo;
  89
  90         if (mlist == NULL) return NULL;
  91
  92         msg_table = g_hash_table_new(NULL, g_direct_equal);
  93
  94         for (cur = mlist; cur != NULL; cur = cur->next) {
  95                 msginfo = (MsgInfo *)cur->data;
  96                 g_hash_table_insert(msg_table, msginfo->to_folder, msginfo);
  97         }
  98
  99         return msg_table;
 100 }
 101
 102 gint procmsg_get_last_num_in_msg_list(GSList *mlist)
 103 {
 104         GSList *cur;
 105         MsgInfo *msginfo;
 106         gint last = 0;
 107
 108         for (cur = mlist; cur != NULL; cur = cur->next) {
 109                 msginfo = (MsgInfo *)cur->data;
 110                 if (msginfo && msginfo->msgnum > last)
 111                         last = msginfo->msgnum;
 112         }
 113
 114         return last;
 115 }
 116
 117 void procmsg_msg_list_free(GSList *mlist)
 118 {
 119         GSList *cur;
 120         MsgInfo *msginfo;
 121
 122         for (cur = mlist; cur != NULL; cur = cur->next) {
 123                 msginfo = (MsgInfo *)cur->data;
 124                 procmsg_msginfo_free(msginfo);
 125         }
 126         g_slist_free(mlist);
 127 }
 128
 129 struct MarkSum {
 130         gint *new_msgs;
 131         gint *unread_msgs;
 132         gint *total_msgs;
 133         gint *min;
 134         gint *max;
 135         gint first;
 136 };
 137
 138 static gboolean procmsg_ignore_node(GNode *node, gpointer data)
 139 {
 140         MsgInfo *msginfo = (MsgInfo *)node->data;
 141
 142         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
 143         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
 144
 145         return FALSE;
 146 }
 147
 148 /* return the reversed thread tree */
 149 GNode *procmsg_get_thread_tree(GSList *mlist)
 150 {
 151         GNode *root, *parent, *node, *next;
 152         GHashTable *msgid_table;
 153         GHashTable *subject_table;
 154         MsgInfo *msginfo;
 155         const gchar *msgid;
 156         const gchar *subject;
 157         GNode *found_subject;
 158
 159         root = g_node_new(NULL);
 160         msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
 161         subject_table = g_hash_table_new(g_str_hash, g_str_equal);
 162
 163         for (; mlist != NULL; mlist = mlist->next) {
 164                 msginfo = (MsgInfo *)mlist->data;
 165                 parent = root;
 166
 167                 if (msginfo->inreplyto) {
 168                         parent = g_hash_table_lookup(msgid_table, msginfo->inreplyto);
 169                         if (parent == NULL) {
 170                                 parent = root;
 171                         } else {
 172                                 if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 173                                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
 174                                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
 175                                 }
 176                         }
 177                 }
 178                 node = g_node_insert_data_before
 179                         (parent, parent == root ? parent->children : NULL,
 180                          msginfo);
 181                 if ((msgid = msginfo->msgid) &&
 182                     g_hash_table_lookup(msgid_table, msgid) == NULL)
 183                         g_hash_table_insert(msgid_table, (gchar *)msgid, node);
 184
 185                 if (prefs_common.thread_by_subject) {
 186                         subject = msginfo->subject;
 187                         found_subject = subject_table_lookup(subject_table,
 188                                                              (gchar *) subject);
 189                         if (found_subject == NULL)
 190                                 subject_table_insert(subject_table, (gchar *) subject,
 191                                                      node);
 192                         else {
 193                                 /* replace if msg in table is older than current one
 194                                  * can add here more stuff. */
 195                                 if ( ((MsgInfo*)(found_subject->data))->date_t >
 196                                      ((MsgInfo*)(node->data))->date_t )  {
 197                                         subject_table_remove(subject_table, (gchar *) subject);
 198                                         subject_table_insert(subject_table, (gchar *) subject, node);
 199                                 }
 200                         }
 201                 }
 202         }
 203
 204         /* complete the unfinished threads */
 205         for (node = root->children; node != NULL; ) {
 206                 next = node->next;
 207                 msginfo = (MsgInfo *)node->data;
 208                 parent = NULL;
 209                 if (msginfo->inreplyto)
 210                         parent = g_hash_table_lookup(msgid_table, msginfo->inreplyto);
 211                 if (parent && parent != node) {
 212                         g_node_unlink(node);
 213                         g_node_insert_before
 214                                 (parent, parent->children, node);
 215                         /* CLAWS: ignore thread */
 216                         if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 217                                 g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 218                         }
 219                 }
 220                 node = next;
 221         }
 222
 223         /* CLAWS: now see if the first level (below root) still has some nodes that can be
 224          * threaded by subject line. we need to handle this in a special way to prevent
 225          * circular reference from a node that has already been threaded by IN-REPLY-TO
 226          * but is also in the subject line hash table */
 227         if (prefs_common.thread_by_subject) {
 228                 for (node = root->children; node != NULL; ) {
 229                         next = node->next;
 230                         msginfo = (MsgInfo *) node->data;
 231                         parent = NULL;
 232                         if (subject_is_reply(msginfo->subject)) {
 233                                 parent = subject_table_lookup(subject_table,
 234                                                               msginfo->subject);
 235                                 /* the node may already be threaded by IN-REPLY-TO,
 236                                    so go up in the tree to find the parent node */
 237                                 if (parent != NULL) {
 238                                         if (g_node_is_ancestor(node, parent))
 239                                                 parent = NULL;
 240                                         if (parent == node)
 241                                                 parent = NULL;
 242                                 }
 243
 244                                 if (parent) {
 245                                         g_node_unlink(node);
 246                                         g_node_append(parent, node);
 247                                         /* CLAWS: ignore thread */
 248                                         if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 249                                                 g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 250                                         }
 251                                 }
 252                         }
 253                         node = next;
 254                 }
 255         }
 256
 257         g_hash_table_destroy(subject_table);
 258         g_hash_table_destroy(msgid_table);
 259
 260         return root;
 261 }
 262
 263 void procmsg_move_messages(GSList *mlist)
 264 {
 265         GSList *cur, *movelist = NULL;
 266         MsgInfo *msginfo;
 267         FolderItem *dest = NULL;
 268
 269         if (!mlist) return;
 270
 271         folder_item_update_freeze();
 272
 273         for (cur = mlist; cur != NULL; cur = cur->next) {
 274                 msginfo = (MsgInfo *)cur->data;
 275                 if (!dest) {
 276                         dest = msginfo->to_folder;
 277                         movelist = g_slist_append(movelist, msginfo);
 278                 } else if (dest == msginfo->to_folder) {
 279                         movelist = g_slist_append(movelist, msginfo);
 280                 } else {
 281                         folder_item_move_msgs_with_dest(dest, movelist);
 282                         g_slist_free(movelist);
 283                         movelist = NULL;
 284                         dest = msginfo->to_folder;
 285                         movelist = g_slist_append(movelist, msginfo);
 286                 }
 287                 procmsg_msginfo_set_to_folder(msginfo, NULL);
 288         }
 289
 290         if (movelist) {
 291                 folder_item_move_msgs_with_dest(dest, movelist);
 292                 g_slist_free(movelist);
 293         }
 294
 295         folder_item_update_thaw();
 296 }
 297
 298 void procmsg_copy_messages(GSList *mlist)
 299 {
 300         GSList *cur, *copylist = NULL;
 301         MsgInfo *msginfo;
 302         FolderItem *dest = NULL;
 303
 304         if (!mlist) return;
 305
 306         folder_item_update_freeze();
 307
 308         for (cur = mlist; cur != NULL; cur = cur->next) {
 309                 msginfo = (MsgInfo *)cur->data;
 310                 if (!dest) {
 311                         dest = msginfo->to_folder;
 312                         copylist = g_slist_append(copylist, msginfo);
 313                 } else if (dest == msginfo->to_folder) {
 314                         copylist = g_slist_append(copylist, msginfo);
 315                 } else {
 316                         folder_item_copy_msgs_with_dest(dest, copylist);
 317                         g_slist_free(copylist);
 318                         copylist = NULL;
 319                         dest = msginfo->to_folder;
 320                         copylist = g_slist_append(copylist, msginfo);
 321                 }
 322                 procmsg_msginfo_set_to_folder(msginfo, NULL);
 323         }
 324
 325         if (copylist) {
 326                 folder_item_copy_msgs_with_dest(dest, copylist);
 327                 g_slist_free(copylist);
 328         }
 329
 330         folder_item_update_thaw();
 331 }
 332
 333 gchar *procmsg_get_message_file_path(MsgInfo *msginfo)
 334 {
 335         gchar *path, *file;
 336
 337         g_return_val_if_fail(msginfo != NULL, NULL);
 338
 339         if (msginfo->plaintext_file)
 340                 file = g_strdup(msginfo->plaintext_file);
 341         else {
 342                 path = folder_item_get_path(msginfo->folder);
 343                 file = g_strconcat(path, G_DIR_SEPARATOR_S,
 344                                    itos(msginfo->msgnum), NULL);
 345                 g_free(path);
 346         }
 347
 348         return file;
 349 }
 350
 351 gchar *procmsg_get_message_file(MsgInfo *msginfo)
 352 {
 353         gchar *filename = NULL;
 354
 355         g_return_val_if_fail(msginfo != NULL, NULL);
 356
 357         filename = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
 358         if (!filename)
 359                 g_warning("can't fetch message %d\n", msginfo->msgnum);
 360
 361         return filename;
 362 }
 363
 364 FILE *procmsg_open_message(MsgInfo *msginfo)
 365 {
 366         FILE *fp;
 367         gchar *file;
 368
 369         g_return_val_if_fail(msginfo != NULL, NULL);
 370
 371         file = procmsg_get_message_file_path(msginfo);
 372         g_return_val_if_fail(file != NULL, NULL);
 373
 374         if (!is_file_exist(file)) {
 375                 g_free(file);
 376                 file = procmsg_get_message_file(msginfo);
 377                 g_return_val_if_fail(file != NULL, NULL);
 378         }
 379
 380         if ((fp = fopen(file, "rb")) == NULL) {
 381                 FILE_OP_ERROR(file, "fopen");
 382                 g_free(file);
 383                 return NULL;
 384         }
 385
 386         g_free(file);
 387
 388         if (MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags)) {
 389                 gchar buf[BUFFSIZE];
 390
 391                 while (fgets(buf, sizeof(buf), fp) != NULL)
 392                         if (buf[0] == '\r' || buf[0] == '\n') break;
 393         }
 394
 395         return fp;
 396 }
 397
 398 #if USE_GPGME
 399 FILE *procmsg_open_message_decrypted(MsgInfo *msginfo, MimeInfo **mimeinfo)
 400 {
 401         FILE *fp;
 402         MimeInfo *mimeinfo_;
 403
 404         g_return_val_if_fail(msginfo != NULL, NULL);
 405
 406         if (mimeinfo) *mimeinfo = NULL;
 407
 408         if ((fp = procmsg_open_message(msginfo)) == NULL) return NULL;
 409
 410         mimeinfo_ = procmime_scan_mime_header(fp);
 411         if (!mimeinfo_) {
 412                 fclose(fp);
 413                 return NULL;
 414         }
 415
 416         if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 417             rfc2015_is_encrypted(mimeinfo_)) {
 418                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 419         }
 420
 421         if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 422             (!msginfo->plaintext_file || msginfo->decryption_failed)) {
 423                 rfc2015_decrypt_message(msginfo, mimeinfo_, fp);
 424                 if (msginfo->plaintext_file &&
 425                     !msginfo->decryption_failed) {
 426                         fclose(fp);
 427                         procmime_mimeinfo_free_all(mimeinfo_);
 428                         if ((fp = procmsg_open_message(msginfo)) == NULL)
 429                                 return NULL;
 430                         mimeinfo_ = procmime_scan_mime_header(fp);
 431                         if (!mimeinfo_) {
 432                                 fclose(fp);
 433                                 return NULL;
 434                         }
 435                 }
 436         }
 437
 438         if (mimeinfo) *mimeinfo = mimeinfo_;
 439         return fp;
 440 }
 441 #endif
 442
 443 gboolean procmsg_msg_exist(MsgInfo *msginfo)
 444 {
 445         gchar *path;
 446         gboolean ret;
 447
 448         if (!msginfo) return FALSE;
 449
 450         path = folder_item_get_path(msginfo->folder);
 451         change_dir(path);
 452         ret = !folder_item_is_msg_changed(msginfo->folder, msginfo);
 453         g_free(path);
 454
 455         return ret;
 456 }
 457
 458 void procmsg_get_filter_keyword(MsgInfo *msginfo, gchar **header, gchar **key,
 459                                 PrefsFilterType type)
 460 {
 461         static HeaderEntry hentry[] = {{"X-BeenThere:",    NULL, TRUE},
 462                                        {"X-ML-Name:",      NULL, TRUE},
 463                                        {"X-List:",         NULL, TRUE},
 464                                        {"X-Mailing-list:", NULL, TRUE},
 465                                        {"List-Id:",        NULL, TRUE},
 466                                        {"X-Sequence:",     NULL, TRUE},
 467                                        {NULL,              NULL, FALSE}};
 468         enum
 469         {
 470                 H_X_BEENTHERE    = 0,
 471                 H_X_ML_NAME      = 1,
 472                 H_X_LIST         = 2,
 473                 H_X_MAILING_LIST = 3,
 474                 H_LIST_ID        = 4,
 475                 H_X_SEQUENCE     = 5
 476         };
 477
 478         FILE *fp;
 479
 480         g_return_if_fail(msginfo != NULL);
 481         g_return_if_fail(header != NULL);
 482         g_return_if_fail(key != NULL);
 483
 484         *header = NULL;
 485         *key = NULL;
 486
 487         switch (type) {
 488         case FILTER_BY_NONE:
 489                 return;
 490         case FILTER_BY_AUTO:
 491                 if ((fp = procmsg_open_message(msginfo)) == NULL)
 492                         return;
 493                 procheader_get_header_fields(fp, hentry);
 494                 fclose(fp);
 495
 496 #define SET_FILTER_KEY(hstr, idx)       \
 497 {                                       \
 498         *header = g_strdup(hstr);       \
 499         *key = hentry[idx].body;        \
 500         hentry[idx].body = NULL;        \
 501 }
 502
 503                 if (hentry[H_X_BEENTHERE].body != NULL) {
 504                         SET_FILTER_KEY("header \"X-BeenThere\"", H_X_BEENTHERE);
 505                 } else if (hentry[H_X_ML_NAME].body != NULL) {
 506                         SET_FILTER_KEY("header \"X-ML-Name\"", H_X_ML_NAME);
 507                 } else if (hentry[H_X_LIST].body != NULL) {
 508                         SET_FILTER_KEY("header \"X-List\"", H_X_LIST);
 509                 } else if (hentry[H_X_MAILING_LIST].body != NULL) {
 510                         SET_FILTER_KEY("header \"X-Mailing-List\"", H_X_MAILING_LIST);
 511                 } else if (hentry[H_LIST_ID].body != NULL) {
 512                         SET_FILTER_KEY("header \"List-Id\"", H_LIST_ID);
 513                         extract_list_id_str(*key);
 514                 } else if (hentry[H_X_SEQUENCE].body != NULL) {
 515                         gchar *p;
 516
 517                         SET_FILTER_KEY("X-Sequence", H_X_SEQUENCE);
 518                         p = *key;
 519                         while (*p != '\0') {
 520                                 while (*p != '\0' && !isspace(*p)) p++;
 521                                 while (isspace(*p)) p++;
 522                                 if (isdigit(*p)) {
 523                                         *p = '\0';
 524                                         break;
 525                                 }
 526                         }
 527                         g_strstrip(*key);
 528                 } else if (msginfo->subject) {
 529                         *header = g_strdup("subject");
 530                         *key = g_strdup(msginfo->subject);
 531                 }
 532
 533 #undef SET_FILTER_KEY
 534
 535                 g_free(hentry[H_X_BEENTHERE].body);
 536                 hentry[H_X_BEENTHERE].body = NULL;
 537                 g_free(hentry[H_X_ML_NAME].body);
 538                 hentry[H_X_ML_NAME].body = NULL;
 539                 g_free(hentry[H_X_LIST].body);
 540                 hentry[H_X_LIST].body = NULL;
 541                 g_free(hentry[H_X_MAILING_LIST].body);
 542                 hentry[H_X_MAILING_LIST].body = NULL;
 543                 g_free(hentry[H_LIST_ID].body);
 544                 hentry[H_LIST_ID].body = NULL;
 545
 546                 break;
 547         case FILTER_BY_FROM:
 548                 *header = g_strdup("from");
 549                 *key = g_strdup(msginfo->from);
 550                 break;
 551         case FILTER_BY_TO:
 552                 *header = g_strdup("to");
 553                 *key = g_strdup(msginfo->to);
 554                 break;
 555         case FILTER_BY_SUBJECT:
 556                 *header = g_strdup("subject");
 557                 *key = g_strdup(msginfo->subject);
 558                 break;
 559         default:
 560                 break;
 561         }
 562 }
 563
 564 void procmsg_empty_trash(void)
 565 {
 566         FolderItem *trash;
 567         GList *cur;
 568
 569         for (cur = folder_get_list(); cur != NULL; cur = cur->next) {
 570                 trash = FOLDER(cur->data)->trash;
 571                 if (trash && trash->total_msgs > 0)
 572                         folder_item_remove_all_msg(trash);
 573         }
 574 }
 575
 576 /*!
 577  *\brief        Send messages in queue
 578  *
 579  *\param        queue Queue folder to process
 580  *\param        save_msgs Unused
 581  *
 582  *\return       Number of messages sent, negative if an error occurred
 583  *              positive if no error occurred
 584  */
 585 gint procmsg_send_queue(FolderItem *queue, gboolean save_msgs)
 586 {
 587         gint ret = 1, count = 0;
 588         GSList *list, *elem;
 589
 590         if (!queue)
 591                 queue = folder_get_default_queue();
 592         g_return_val_if_fail(queue != NULL, -1);
 593
 594         folder_item_scan(queue);
 595         list = folder_item_get_msg_list(queue);
 596
 597         for (elem = list; elem != NULL; elem = elem->next) {
 598                 gchar *file;
 599                 MsgInfo *msginfo;
 600
 601                 msginfo = (MsgInfo *)(elem->data);
 602                 if (!MSG_IS_LOCKED(msginfo->flags)) {
 603                         file = folder_item_fetch_msg(queue, msginfo->msgnum);
 604                         if (file) {
 605                                 if (procmsg_send_message_queue(file) < 0) {
 606                                         g_warning("Sending queued message %d failed.\n",
 607                                                   msginfo->msgnum);
 608                                         ret = -1;
 609                                 } else {
 610                                         /* CLAWS:
 611                                          * We save in procmsg_send_message_queue because
 612                                          * we need the destination folder from the queue
 613                                          * header
 614
 615                                         if (save_msgs)
 616                                                 procmsg_save_to_outbox
 617                                                         (queue->folder->outbox,
 618                                                          file, TRUE);
 619                                          */
 620                                         count++;
 621                                         folder_item_remove_msg(queue, msginfo->msgnum);
 622                                 }
 623                                 g_free(file);
 624                         }
 625                 }
 626                 /* FIXME: supposedly if only one message is locked, and queue
 627                  * is being flushed, the following free says something like
 628                  * "freeing msg ## in folder (nil)". */
 629                 procmsg_msginfo_free(msginfo);
 630         }
 631
 632         return ret * count;
 633 }
 634
 635 gint procmsg_remove_special_headers(const gchar *in, const gchar *out)
 636 {
 637         FILE *fp, *outfp;
 638         gchar buf[BUFFSIZE];
 639
 640         if ((fp = fopen(in, "rb")) == NULL) {
 641                 FILE_OP_ERROR(in, "fopen");
 642                 return -1;
 643         }
 644         if ((outfp = fopen(out, "wb")) == NULL) {
 645                 FILE_OP_ERROR(out, "fopen");
 646                 fclose(fp);
 647                 return -1;
 648         }
 649         while (fgets(buf, sizeof(buf), fp) != NULL)
 650                 if (buf[0] == '\r' || buf[0] == '\n') break;
 651         while (fgets(buf, sizeof(buf), fp) != NULL)
 652                 fputs(buf, outfp);
 653         fclose(outfp);
 654         fclose(fp);
 655         return 0;
 656
 657 }
 658 gint procmsg_save_to_outbox(FolderItem *outbox, const gchar *file,
 659                             gboolean is_queued)
 660 {
 661         gint num;
 662         MsgInfo *msginfo;
 663
 664         debug_print("saving sent message...\n");
 665
 666         if (!outbox)
 667                 outbox = folder_get_default_outbox();
 668         g_return_val_if_fail(outbox != NULL, -1);
 669
 670         /* remove queueing headers */
 671         if (is_queued) {
 672                 gchar tmp[MAXPATHLEN + 1];
 673
 674                 g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg.out.%08x",
 675                            get_rc_dir(), G_DIR_SEPARATOR, (guint)random());
 676
 677                 if (procmsg_remove_special_headers(file, tmp) !=0)
 678                         return -1;
 679
 680                 folder_item_scan(outbox);
 681                 if ((num = folder_item_add_msg(outbox, tmp, TRUE)) < 0) {
 682                         g_warning("can't save message\n");
 683                         unlink(tmp);
 684                         return -1;
 685                 }
 686         } else {
 687                 folder_item_scan(outbox);
 688                 if ((num = folder_item_add_msg(outbox, file, FALSE)) < 0) {
 689                         g_warning("can't save message\n");
 690                         return -1;
 691                 }
 692                 return -1;
 693         }
 694         msginfo = folder_item_get_msginfo(outbox, num);
 695         if (msginfo != NULL) {
 696             procmsg_msginfo_unset_flags(msginfo, ~0, 0);
 697             procmsg_msginfo_free(msginfo);
 698         }
 699         folder_item_update(outbox, TRUE);
 700
 701         return 0;
 702 }
 703
 704 void procmsg_print_message(MsgInfo *msginfo, const gchar *cmdline)
 705 {
 706         static const gchar *def_cmd = "lpr %s";
 707         static guint id = 0;
 708         gchar *prtmp;
 709         FILE *tmpfp, *prfp;
 710         gchar buf[1024];
 711         gchar *p;
 712
 713         g_return_if_fail(msginfo);
 714
 715         if ((tmpfp = procmime_get_first_text_content(msginfo)) == NULL) {
 716                 g_warning("Can't get text part\n");
 717                 return;
 718         }
 719
 720         prtmp = g_strdup_printf("%s%cprinttmp.%08x",
 721                                 get_mime_tmp_dir(), G_DIR_SEPARATOR, id++);
 722
 723         if ((prfp = fopen(prtmp, "wb")) == NULL) {
 724                 FILE_OP_ERROR(prtmp, "fopen");
 725                 g_free(prtmp);
 726                 fclose(tmpfp);
 727                 return;
 728         }
 729
 730         if (msginfo->date) fprintf(prfp, "Date: %s\n", msginfo->date);
 731         if (msginfo->from) fprintf(prfp, "From: %s\n", msginfo->from);
 732         if (msginfo->to)   fprintf(prfp, "To: %s\n", msginfo->to);
 733         if (msginfo->cc)   fprintf(prfp, "Cc: %s\n", msginfo->cc);
 734         if (msginfo->newsgroups)
 735                 fprintf(prfp, "Newsgroups: %s\n", msginfo->newsgroups);
 736         if (msginfo->subject) fprintf(prfp, "Subject: %s\n", msginfo->subject);
 737         fputc('\n', prfp);
 738
 739         while (fgets(buf, sizeof(buf), tmpfp) != NULL)
 740                 fputs(buf, prfp);
 741
 742         fclose(prfp);
 743         fclose(tmpfp);
 744
 745         if (cmdline && (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
 746             !strchr(p + 2, '%'))
 747                 g_snprintf(buf, sizeof(buf) - 1, cmdline, prtmp);
 748         else {
 749                 if (cmdline)
 750                         g_warning("Print command line is invalid: `%s'\n",
 751                                   cmdline);
 752                 g_snprintf(buf, sizeof(buf) - 1, def_cmd, prtmp);
 753         }
 754
 755         g_free(prtmp);
 756
 757         g_strchomp(buf);
 758         if (buf[strlen(buf) - 1] != '&') strcat(buf, "&");
 759         system(buf);
 760 }
 761
 762 MsgInfo *procmsg_msginfo_new_ref(MsgInfo *msginfo)
 763 {
 764         msginfo->refcnt++;
 765
 766         return msginfo;
 767 }
 768
 769 MsgInfo *procmsg_msginfo_new()
 770 {
 771         MsgInfo *newmsginfo;
 772
 773         newmsginfo = g_new0(MsgInfo, 1);
 774         newmsginfo->refcnt = 1;
 775
 776         return newmsginfo;
 777 }
 778
 779 MsgInfo *procmsg_msginfo_copy(MsgInfo *msginfo)
 780 {
 781         MsgInfo *newmsginfo;
 782
 783         if (msginfo == NULL) return NULL;
 784
 785         newmsginfo = g_new0(MsgInfo, 1);
 786
 787         newmsginfo->refcnt = 1;
 788
 789 #define MEMBCOPY(mmb)   newmsginfo->mmb = msginfo->mmb
 790 #define MEMBDUP(mmb)    newmsginfo->mmb = msginfo->mmb ? \
 791                         g_strdup(msginfo->mmb) : NULL
 792
 793         MEMBCOPY(msgnum);
 794         MEMBCOPY(size);
 795         MEMBCOPY(mtime);
 796         MEMBCOPY(date_t);
 797         MEMBCOPY(flags);
 798
 799         MEMBDUP(fromname);
 800
 801         MEMBDUP(date);
 802         MEMBDUP(from);
 803         MEMBDUP(to);
 804         MEMBDUP(cc);
 805         MEMBDUP(newsgroups);
 806         MEMBDUP(subject);
 807         MEMBDUP(msgid);
 808         MEMBDUP(inreplyto);
 809         MEMBDUP(xref);
 810
 811         MEMBCOPY(folder);
 812         MEMBCOPY(to_folder);
 813
 814         MEMBDUP(xface);
 815         MEMBDUP(dispositionnotificationto);
 816         MEMBDUP(returnreceiptto);
 817         MEMBDUP(references);
 818
 819         MEMBCOPY(score);
 820         MEMBCOPY(threadscore);
 821
 822         return newmsginfo;
 823 }
 824
 825 MsgInfo *procmsg_msginfo_get_full_info(MsgInfo *msginfo)
 826 {
 827         MsgInfo *full_msginfo;
 828         gchar *file;
 829
 830         if (msginfo == NULL) return NULL;
 831
 832         file = procmsg_get_message_file(msginfo);
 833         if (!file) {
 834                 g_warning("procmsg_msginfo_get_full_info(): can't get message file.\n");
 835                 return NULL;
 836         }
 837
 838         full_msginfo = procheader_parse_file(file, msginfo->flags, TRUE, FALSE);
 839         g_free(file);
 840         if (!full_msginfo) return NULL;
 841
 842         full_msginfo->msgnum = msginfo->msgnum;
 843         full_msginfo->size = msginfo->size;
 844         full_msginfo->mtime = msginfo->mtime;
 845         full_msginfo->folder = msginfo->folder;
 846 #if USE_GPGME
 847         full_msginfo->plaintext_file = g_strdup(msginfo->plaintext_file);
 848         full_msginfo->decryption_failed = msginfo->decryption_failed;
 849 #endif
 850         procmsg_msginfo_set_to_folder(full_msginfo, msginfo->to_folder);
 851
 852         return full_msginfo;
 853 }
 854
 855 void procmsg_msginfo_free(MsgInfo *msginfo)
 856 {
 857         if (msginfo == NULL) return;
 858
 859         msginfo->refcnt--;
 860         if (msginfo->refcnt > 0)
 861                 return;
 862
 863         debug_print("freeing msginfo %d in %s\n", msginfo->msgnum, msginfo->folder ? msginfo->folder->path : "(nil)");
 864
 865         if (msginfo->to_folder) {
 866                 msginfo->to_folder->op_count--;
 867                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
 868         }
 869
 870         g_free(msginfo->fromspace);
 871         g_free(msginfo->references);
 872         g_free(msginfo->returnreceiptto);
 873         g_free(msginfo->dispositionnotificationto);
 874         g_free(msginfo->xface);
 875
 876         g_free(msginfo->fromname);
 877
 878         g_free(msginfo->date);
 879         g_free(msginfo->from);
 880         g_free(msginfo->to);
 881         g_free(msginfo->cc);
 882         g_free(msginfo->newsgroups);
 883         g_free(msginfo->subject);
 884         g_free(msginfo->msgid);
 885         g_free(msginfo->inreplyto);
 886         g_free(msginfo->xref);
 887
 888         g_free(msginfo);
 889 }
 890
 891 guint procmsg_msginfo_memusage(MsgInfo *msginfo)
 892 {
 893         guint memusage = 0;
 894
 895         memusage += sizeof(MsgInfo);
 896         if (msginfo->fromname)
 897                 memusage += strlen(msginfo->fromname);
 898         if (msginfo->date)
 899                 memusage += strlen(msginfo->date);
 900         if (msginfo->from)
 901                 memusage += strlen(msginfo->from);
 902         if (msginfo->to)
 903                 memusage += strlen(msginfo->to);
 904         if (msginfo->cc)
 905                 memusage += strlen(msginfo->cc);
 906         if (msginfo->newsgroups)
 907                 memusage += strlen(msginfo->newsgroups);
 908         if (msginfo->subject)
 909                 memusage += strlen(msginfo->subject);
 910         if (msginfo->msgid)
 911                 memusage += strlen(msginfo->msgid);
 912         if (msginfo->inreplyto)
 913                 memusage += strlen(msginfo->inreplyto);
 914         if (msginfo->xface)
 915                 memusage += strlen(msginfo->xface);
 916         if (msginfo->dispositionnotificationto)
 917                 memusage += strlen(msginfo->dispositionnotificationto);
 918         if (msginfo->returnreceiptto)
 919                 memusage += strlen(msginfo->returnreceiptto);
 920         if (msginfo->references)
 921                 memusage += strlen(msginfo->references);
 922         if (msginfo->fromspace)
 923                 memusage += strlen(msginfo->fromspace);
 924
 925         return memusage;
 926 }
 927
 928 gint procmsg_cmp_msgnum_for_sort(gconstpointer a, gconstpointer b)
 929 {
 930         const MsgInfo *msginfo1 = a;
 931         const MsgInfo *msginfo2 = b;
 932
 933         if (!msginfo1)
 934                 return -1;
 935         if (!msginfo2)
 936                 return -1;
 937
 938         return msginfo1->msgnum - msginfo2->msgnum;
 939 }
 940
 941 enum
 942 {
 943         Q_SENDER           = 0,
 944         Q_SMTPSERVER       = 1,
 945         Q_RECIPIENTS       = 2,
 946         Q_NEWSGROUPS       = 3,
 947         Q_MAIL_ACCOUNT_ID  = 4,
 948         Q_NEWS_ACCOUNT_ID  = 5,
 949         Q_SAVE_COPY_FOLDER = 6,
 950         Q_REPLY_MESSAGE_ID = 7,
 951         Q_FWD_MESSAGE_ID   = 8
 952 };
 953
 954 gint procmsg_send_message_queue(const gchar *file)
 955 {
 956         static HeaderEntry qentry[] = {{"S:",    NULL, FALSE},
 957                                        {"SSV:",  NULL, FALSE},
 958                                        {"R:",    NULL, FALSE},
 959                                        {"NG:",   NULL, FALSE},
 960                                        {"MAID:", NULL, FALSE},
 961                                        {"NAID:", NULL, FALSE},
 962                                        {"SCF:",  NULL, FALSE},
 963                                        {"RMID:", NULL, FALSE},
 964                                        {"FMID:", NULL, FALSE},
 965                                        {NULL,    NULL, FALSE}};
 966         FILE *fp;
 967         gint filepos;
 968         gint mailval = 0, newsval = 0;
 969         gchar *from = NULL;
 970         gchar *smtpserver = NULL;
 971         GSList *to_list = NULL;
 972         GSList *newsgroup_list = NULL;
 973         gchar *savecopyfolder = NULL;
 974         gchar *replymessageid = NULL;
 975         gchar *fwdmessageid = NULL;
 976         gchar buf[BUFFSIZE];
 977         gint hnum;
 978         PrefsAccount *mailac = NULL, *newsac = NULL;
 979         int local = 0;
 980
 981         g_return_val_if_fail(file != NULL, -1);
 982
 983         if ((fp = fopen(file, "rb")) == NULL) {
 984                 FILE_OP_ERROR(file, "fopen");
 985                 return -1;
 986         }
 987
 988         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
 989                != -1) {
 990                 gchar *p = buf + strlen(qentry[hnum].name);
 991
 992                 switch (hnum) {
 993                 case Q_SENDER:
 994                         if (!from) from = g_strdup(p);
 995                         break;
 996                 case Q_SMTPSERVER:
 997                         if (!smtpserver) smtpserver = g_strdup(p);
 998                         break;
 999                 case Q_RECIPIENTS:
1000                         to_list = address_list_append(to_list, p);
1001                         break;
1002                 case Q_NEWSGROUPS:
1003                         newsgroup_list = newsgroup_list_append(newsgroup_list, p);
1004                         break;
1005                 case Q_MAIL_ACCOUNT_ID:
1006                         mailac = account_find_from_id(atoi(p));
1007                         break;
1008                 case Q_NEWS_ACCOUNT_ID:
1009                         newsac = account_find_from_id(atoi(p));
1010                         break;
1011                 case Q_SAVE_COPY_FOLDER:
1012                         if (!savecopyfolder) savecopyfolder = g_strdup(p);
1013                         break;
1014                 case Q_REPLY_MESSAGE_ID:
1015                         if (!replymessageid) replymessageid = g_strdup(p);
1016                         break;
1017                 case Q_FWD_MESSAGE_ID:
1018                         if (!fwdmessageid) fwdmessageid = g_strdup(p);
1019                         break;
1020                 }
1021         }
1022         filepos = ftell(fp);
1023
1024         if (to_list) {
1025                 debug_print("Sending message by mail\n");
1026                 if (!from) {
1027                         g_warning("Queued message header is broken.\n");
1028                         mailval = -1;
1029                 } else if (mailac && mailac->use_mail_command &&
1030                            mailac->mail_command && (* mailac->mail_command)) {
1031                         mailval = send_message_local(mailac->mail_command, fp);
1032                         local = 1;
1033                 } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
1034                         mailval = send_message_local(prefs_common.extsend_cmd, fp);
1035                         local = 1;
1036                 } else {
1037                         if (!mailac) {
1038                                 mailac = account_find_from_smtp_server(from, smtpserver);
1039                                 if (!mailac) {
1040                                         g_warning("Account not found. "
1041                                                     "Using current account...\n");
1042                                         mailac = cur_account;
1043                                 }
1044                         }
1045
1046                         if (mailac)
1047                                 mailval = send_message_smtp(mailac, to_list, fp);
1048                         else {
1049                                 PrefsAccount tmp_ac;
1050
1051                                 g_warning("Account not found.\n");
1052
1053                                 memset(&tmp_ac, 0, sizeof(PrefsAccount));
1054                                 tmp_ac.address = from;
1055                                 tmp_ac.smtp_server = smtpserver;
1056                                 tmp_ac.smtpport = SMTP_PORT;
1057                                 mailval = send_message_smtp(&tmp_ac, to_list, fp);
1058                         }
1059                 }
1060                 if (mailval < 0) {
1061                         if (!local)
1062                                 alertpanel_error_log(
1063                                         _("Error occurred while sending the message to `%s'."),
1064                                         mailac ? mailac->smtp_server : smtpserver);
1065                         else
1066                                 alertpanel_error_log(
1067                                         _("Error occurred while sending the message with command `%s'."),
1068                                         (mailac && mailac->use_mail_command &&
1069                                          mailac->mail_command && (*mailac->mail_command)) ?
1070                                                 mailac->mail_command : prefs_common.extsend_cmd);
1071                 }
1072         }
1073
1074         fseek(fp, filepos, SEEK_SET);
1075         if (newsgroup_list && (newsval == 0)) {
1076                 Folder *folder;
1077                 gchar *tmp = NULL;
1078                 FILE *tmpfp;
1079
1080                 /* write to temporary file */
1081                 tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
1082                             G_DIR_SEPARATOR, (gint)file);
1083                 if ((tmpfp = fopen(tmp, "wb")) == NULL) {
1084                         FILE_OP_ERROR(tmp, "fopen");
1085                         newsval = -1;
1086                         alertpanel_error(_("Could not create temporary file for news sending."));
1087                 } else {
1088                         if (change_file_mode_rw(tmpfp, tmp) < 0) {
1089                                 FILE_OP_ERROR(tmp, "chmod");
1090                                 g_warning("can't change file mode\n");
1091                         }
1092
1093                         while ((newsval == 0) && fgets(buf, sizeof(buf), fp) != NULL) {
1094                                 if (fputs(buf, tmpfp) == EOF) {
1095                                         FILE_OP_ERROR(tmp, "fputs");
1096                                         newsval = -1;
1097                                         alertpanel_error(_("Error when writing temporary file for news sending."));
1098                                 }
1099                         }
1100                         fclose(tmpfp);
1101
1102                         if (newsval == 0) {
1103                                 debug_print("Sending message by news\n");
1104
1105                                 folder = FOLDER(newsac->folder);
1106
1107                                 newsval = news_post(folder, tmp);
1108                                 if (newsval < 0) {
1109                                         alertpanel_error(_("Error occurred while posting the message to %s ."),
1110                                                  newsac->nntp_server);
1111                                 }
1112                         }
1113                         unlink(tmp);
1114                 }
1115                 g_free(tmp);
1116         }
1117
1118         slist_free_strings(to_list);
1119         g_slist_free(to_list);
1120         slist_free_strings(newsgroup_list);
1121         g_slist_free(newsgroup_list);
1122         g_free(from);
1123         g_free(smtpserver);
1124         fclose(fp);
1125
1126         /* save message to outbox */
1127         if (mailval == 0 && newsval == 0 && savecopyfolder) {
1128                 FolderItem *outbox;
1129
1130                 debug_print("saving sent message...\n");
1131
1132                 outbox = folder_find_item_from_identifier(savecopyfolder);
1133                 if (!outbox)
1134                         outbox = folder_get_default_outbox();
1135
1136                 procmsg_save_to_outbox(outbox, file, TRUE);
1137         }
1138
1139         if (replymessageid != NULL || fwdmessageid != NULL) {
1140                 gchar **tokens;
1141                 FolderItem *item;
1142
1143                 if (replymessageid != NULL)
1144                         tokens = g_strsplit(replymessageid, "\x7f", 0);
1145                 else
1146                         tokens = g_strsplit(fwdmessageid, "\x7f", 0);
1147                 item = folder_find_item_from_identifier(tokens[0]);
1148                 if (item != NULL) {
1149                         MsgInfo *msginfo;
1150
1151                         msginfo = folder_item_get_msginfo(item, atoi(tokens[1]));
1152                         if ((msginfo != NULL) && (strcmp(msginfo->msgid, tokens[2]) != 0)) {
1153                                 procmsg_msginfo_free(msginfo);
1154                                 msginfo = NULL;
1155                         }
1156
1157                         if (msginfo == NULL) {
1158                                 msginfo = folder_item_get_msginfo_by_msgid(item, tokens[2]);
1159                         }
1160
1161                         if (msginfo != NULL) {
1162                                 if (replymessageid != NULL) {
1163                                         procmsg_msginfo_unset_flags(msginfo, MSG_FORWARDED, 0);
1164                                         procmsg_msginfo_set_flags(msginfo, MSG_REPLIED, 0);
1165                                 }
1166                                 else {
1167                                         procmsg_msginfo_unset_flags(msginfo, MSG_REPLIED, 0);
1168                                         procmsg_msginfo_set_flags(msginfo, MSG_FORWARDED, 0);
1169                                 }
1170                                 procmsg_msginfo_free(msginfo);
1171                         }
1172                 }
1173                 g_strfreev(tokens);
1174         }
1175
1176         g_free(savecopyfolder);
1177         g_free(replymessageid);
1178         g_free(fwdmessageid);
1179
1180         return (newsval != 0 ? newsval : mailval);
1181 }
1182
1183 static void update_folder_msg_counts(FolderItem *item, MsgInfo *msginfo, MsgPermFlags old_flags)
1184 {
1185         MsgPermFlags new_flags = msginfo->flags.perm_flags;
1186
1187         /* NEW flag */
1188         if (!(old_flags & MSG_NEW) && (new_flags & MSG_NEW)) {
1189                 item->new_msgs++;
1190         }
1191
1192         if ((old_flags & MSG_NEW) && !(new_flags & MSG_NEW)) {
1193                 item->new_msgs--;
1194         }
1195
1196         /* UNREAD flag */
1197         if (!(old_flags & MSG_UNREAD) && (new_flags & MSG_UNREAD)) {
1198                 item->unread_msgs++;
1199                 if (procmsg_msg_has_marked_parent(msginfo))
1200                         item->unreadmarked_msgs++;
1201         }
1202
1203         if ((old_flags & MSG_UNREAD) && !(new_flags & MSG_UNREAD)) {
1204                 item->unread_msgs--;
1205                 if (procmsg_msg_has_marked_parent(msginfo))
1206                         item->unreadmarked_msgs--;
1207         }
1208
1209         /* MARK flag */
1210         if (!(old_flags & MSG_MARKED) && (new_flags & MSG_MARKED)) {
1211                 procmsg_update_unread_children(msginfo, TRUE);
1212         }
1213
1214         if ((old_flags & MSG_MARKED) && !(new_flags & MSG_MARKED)) {
1215                 procmsg_update_unread_children(msginfo, FALSE);
1216         }
1217 }
1218
1219 void procmsg_msginfo_set_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1220 {
1221         FolderItem *item;
1222         MsgInfoUpdate msginfo_update;
1223         MsgPermFlags perm_flags_new, perm_flags_old;
1224
1225         g_return_if_fail(msginfo != NULL);
1226         item = msginfo->folder;
1227         g_return_if_fail(item != NULL);
1228
1229         debug_print("Setting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1230
1231         /* Perm Flags handling */
1232         perm_flags_old = msginfo->flags.perm_flags;
1233         perm_flags_new = msginfo->flags.perm_flags | perm_flags;
1234         if ((perm_flags & MSG_IGNORE_THREAD) || (perm_flags_old & MSG_IGNORE_THREAD)) {
1235                 perm_flags_new &= ~(MSG_NEW | MSG_UNREAD);
1236         }
1237
1238         if (perm_flags_old != perm_flags_new) {
1239                 folder_item_change_msg_flags(msginfo->folder, msginfo, perm_flags_new);
1240
1241                 update_folder_msg_counts(item, msginfo, perm_flags_old);
1242
1243                 msginfo_update.msginfo = msginfo;
1244                 hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
1245                 folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT);
1246         }
1247
1248         /* Tmp flags hanlding */
1249         msginfo->flags.tmp_flags |= tmp_flags;
1250 }
1251
1252 void procmsg_msginfo_unset_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1253 {
1254         FolderItem *item;
1255         MsgInfoUpdate msginfo_update;
1256         MsgPermFlags perm_flags_new, perm_flags_old;
1257
1258         g_return_if_fail(msginfo != NULL);
1259         item = msginfo->folder;
1260         g_return_if_fail(item != NULL);
1261
1262         debug_print("Unsetting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1263
1264         /* Perm Flags handling */
1265         perm_flags_old = msginfo->flags.perm_flags;
1266         perm_flags_new = msginfo->flags.perm_flags & ~perm_flags;
1267
1268         if (perm_flags_old != perm_flags_new) {
1269                 folder_item_change_msg_flags(msginfo->folder, msginfo, perm_flags_new);
1270
1271                 update_folder_msg_counts(item, msginfo, perm_flags_old);
1272
1273                 msginfo_update.msginfo = msginfo;
1274                 hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
1275                 folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT);
1276         }
1277
1278         /* Tmp flags hanlding */
1279         msginfo->flags.tmp_flags &= ~tmp_flags;
1280 }
1281
1282 /*!
1283  *\brief        check for flags (e.g. mark) in prior msgs of current thread
1284  *
1285  *\param        info Current message
1286  *\param        perm_flags Flags to be checked
1287  *\param        parentmsgs Hash of prior msgs to avoid loops
1288  *
1289  *\return       gboolean TRUE if perm_flags are found
1290  */
1291 gboolean procmsg_msg_has_flagged_parent_real(MsgInfo *info,
1292                 MsgPermFlags perm_flags, GHashTable *parentmsgs)
1293 {
1294         MsgInfo *tmp;
1295
1296         g_return_val_if_fail(info != NULL, FALSE);
1297
1298         if (info != NULL && info->folder != NULL && info->inreplyto != NULL) {
1299                 tmp = folder_item_get_msginfo_by_msgid(info->folder,
1300                                 info->inreplyto);
1301                 if (tmp && (tmp->flags.perm_flags & perm_flags)) {
1302                         procmsg_msginfo_free(tmp);
1303                         return TRUE;
1304                 } else if (tmp != NULL) {
1305                         gboolean result;
1306
1307                         if (g_hash_table_lookup(parentmsgs, info)) {
1308                                 debug_print("loop detected: %s%c%d\n",
1309                                         folder_item_get_path(info->folder),
1310                                         G_DIR_SEPARATOR, info->msgnum);
1311                                 result = FALSE;
1312                         } else {
1313                                 g_hash_table_insert(parentmsgs, info, "1");
1314                                 result = procmsg_msg_has_flagged_parent_real(
1315                                     tmp, perm_flags, parentmsgs);
1316                         }
1317                         procmsg_msginfo_free(tmp);
1318                         return result;
1319                 } else {
1320                         return FALSE;
1321                 }
1322         } else
1323                 return FALSE;
1324 }
1325
1326 /*!
1327  *\brief        Callback for cleaning up hash of parentmsgs
1328  */
1329 gboolean parentmsgs_hash_remove(gpointer key,
1330                             gpointer value,
1331                             gpointer user_data)
1332 {
1333         return TRUE;
1334 }
1335
1336 /*!
1337  *\brief        Set up list of parentmsgs
1338  *              See procmsg_msg_has_flagged_parent_real()
1339  */
1340 gboolean procmsg_msg_has_flagged_parent(MsgInfo *info, MsgPermFlags perm_flags)
1341 {
1342         gboolean result;
1343         GHashTable *parentmsgs = g_hash_table_new(NULL, NULL);
1344
1345         result = procmsg_msg_has_flagged_parent_real(info, perm_flags, parentmsgs);
1346         g_hash_table_foreach_remove(parentmsgs, parentmsgs_hash_remove, NULL);
1347         g_hash_table_destroy(parentmsgs);
1348         return result;
1349 }
1350
1351 /*!
1352  *\brief        Check if msgs prior in thread are marked
1353  *              See procmsg_msg_has_flagged_parent_real()
1354  */
1355 gboolean procmsg_msg_has_marked_parent(MsgInfo *info)
1356 {
1357         return procmsg_msg_has_flagged_parent(info, MSG_MARKED);
1358 }
1359
1360
1361 GSList *procmsg_find_children_func(MsgInfo *info,
1362                                    GSList *children, GSList *all)
1363 {
1364         GSList *cur;
1365
1366         g_return_val_if_fail(info!=NULL, children);
1367         if (info->msgid == NULL)
1368                 return children;
1369
1370         for (cur = all; cur != NULL; cur = g_slist_next(cur)) {
1371                 MsgInfo *tmp = (MsgInfo *)cur->data;
1372                 if (tmp->inreplyto && !strcmp(tmp->inreplyto, info->msgid)) {
1373                         /* Check if message is already in the list */
1374                         if ((children == NULL) ||
1375                             (g_slist_index(children, tmp) == -1)) {
1376                                 children = g_slist_prepend(children,
1377                                                 procmsg_msginfo_new_ref(tmp));
1378                                 children = procmsg_find_children_func(tmp,
1379                                                         children,
1380                                                         all);
1381                         }
1382                 }
1383         }
1384         return children;
1385 }
1386
1387 GSList *procmsg_find_children (MsgInfo *info)
1388 {
1389         GSList *children;
1390         GSList *all, *cur;
1391
1392         g_return_val_if_fail(info!=NULL, NULL);
1393         all = folder_item_get_msg_list(info->folder);
1394         children = procmsg_find_children_func(info, NULL, all);
1395         if (children != NULL) {
1396                 for (cur = all; cur != NULL; cur = g_slist_next(cur)) {
1397                         /* this will not free the used pointers
1398                            created with procmsg_msginfo_new_ref */
1399                         procmsg_msginfo_free((MsgInfo *)cur->data);
1400                 }
1401         }
1402         g_slist_free(all);
1403
1404         return children;
1405 }
1406
1407 void procmsg_update_unread_children(MsgInfo *info, gboolean newly_marked)
1408 {
1409         GSList *children = procmsg_find_children(info);
1410         GSList *cur;
1411         for (cur = children; cur != NULL; cur = g_slist_next(cur)) {
1412                 MsgInfo *tmp = (MsgInfo *)cur->data;
1413                 if(MSG_IS_UNREAD(tmp->flags) && !MSG_IS_IGNORE_THREAD(tmp->flags)) {
1414                         if(newly_marked)
1415                                 info->folder->unreadmarked_msgs++;
1416                         else
1417                                 info->folder->unreadmarked_msgs--;
1418                         folder_item_update(info->folder, F_ITEM_UPDATE_MSGCNT);
1419                 }
1420                 procmsg_msginfo_free(tmp);
1421         }
1422         g_slist_free(children);
1423 }
1424
1425 /**
1426  * Set the destination folder for a copy or move operation
1427  *
1428  * \param msginfo The message which's destination folder is changed
1429  * \param to_folder The destination folder for the operation
1430  */
1431 void procmsg_msginfo_set_to_folder(MsgInfo *msginfo, FolderItem *to_folder)
1432 {
1433         if(msginfo->to_folder != NULL) {
1434                 msginfo->to_folder->op_count--;
1435                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
1436         }
1437         msginfo->to_folder = to_folder;
1438         if(to_folder != NULL) {
1439                 to_folder->op_count++;
1440                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
1441         }
1442 }
1443
1444 /**
1445  * Apply filtering actions to the msginfo
1446  *
1447  * \param msginfo The MsgInfo describing the message that should be filtered
1448  * \return TRUE if the message was moved and MsgInfo is now invalid,
1449  *         FALSE otherwise
1450  */
1451 gboolean procmsg_msginfo_filter(MsgInfo *msginfo)
1452 {
1453         MailFilteringData mail_filtering_data;
1454
1455         mail_filtering_data.msginfo = msginfo;
1456         if (hooks_invoke(MAIL_FILTERING_HOOKLIST, &mail_filtering_data))
1457                 return TRUE;
1458
1459         /* filter if enabled in prefs or move to inbox if not */
1460         if((global_processing != NULL) &&
1461            filter_message_by_msginfo(global_processing, msginfo))
1462                 return TRUE;
1463
1464         return FALSE;
1465 }