src/procmsg.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 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
  26 #include "intl.h"
  27 #include "main.h"
  28 #include "utils.h"
  29 #include "procmsg.h"
  30 #include "procheader.h"
  31 #include "send.h"
  32 #include "procmime.h"
  33 #include "statusbar.h"
  34 #include "folder.h"
  35 #include "prefs_common.h"
  36 #include "account.h"
  37 #if USE_GPGME
  38 #  include "rfc2015.h"
  39 #endif
  40 #include "alertpanel.h"
  41 #include "news.h"
  42 #include "imap.h"
  43
  44 typedef struct _FlagInfo        FlagInfo;
  45
  46 struct _FlagInfo
  47 {
  48         guint    msgnum;
  49         MsgFlags flags;
  50 };
  51
  52 static GHashTable *procmsg_read_mark_file       (const gchar    *folder);
  53 void   procmsg_msginfo_write_flags              (MsgInfo        *msginfo);
  54 static void procmsg_update_unread_children (MsgInfo *info, gboolean newly_marked);
  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 static gint procmsg_read_cache_data_str(FILE *fp, gchar **str)
 103 {
 104         gchar buf[BUFFSIZE];
 105         gint ret = 0;
 106         size_t len;
 107
 108         if (fread(&len, sizeof(len), 1, fp) == 1) {
 109                 if (len < 0)
 110                         ret = -1;
 111                 else {
 112                         gchar *tmp = NULL;
 113
 114                         while (len > 0) {
 115                                 size_t size = MIN(len, BUFFSIZE - 1);
 116
 117                                 if (fread(buf, size, 1, fp) != 1) {
 118                                         ret = -1;
 119                                         if (tmp) g_free(tmp);
 120                                         *str = NULL;
 121                                         break;
 122                                 }
 123
 124                                 buf[size] = '\0';
 125                                 if (tmp) {
 126                                         *str = g_strconcat(tmp, buf, NULL);
 127                                         g_free(tmp);
 128                                         tmp = *str;
 129                                 } else
 130                                         tmp = *str = g_strdup(buf);
 131
 132                                 len -= size;
 133                         }
 134                 }
 135         } else
 136                 ret = -1;
 137
 138         if (ret < 0)
 139                 g_warning(_("Cache data is corrupted\n"));
 140
 141         return ret;
 142 }
 143
 144 #define READ_CACHE_DATA(data, fp) \
 145 { \
 146         if (procmsg_read_cache_data_str(fp, &data) < 0) { \
 147                 procmsg_msginfo_free(msginfo); \
 148                 break; \
 149         } \
 150 }
 151
 152 #define READ_CACHE_DATA_INT(n, fp) \
 153 { \
 154         if (fread(&n, sizeof(n), 1, fp) != 1) { \
 155                 g_warning(_("Cache data is corrupted\n")); \
 156                 procmsg_msginfo_free(msginfo); \
 157                 break; \
 158         } \
 159 }
 160
 161 GSList *procmsg_read_cache(FolderItem *item, gboolean scan_file)
 162 {
 163         GSList *mlist = NULL;
 164         GSList *last = NULL;
 165         gchar *cache_file;
 166         FILE *fp;
 167         MsgInfo *msginfo;
 168         MsgFlags default_flags;
 169         gchar file_buf[BUFFSIZE];
 170         gint ver;
 171         guint num;
 172         FolderType type;
 173
 174         g_return_val_if_fail(item != NULL, NULL);
 175         g_return_val_if_fail(item->folder != NULL, NULL);
 176         type = item->folder->type;
 177
 178         default_flags.perm_flags = MSG_NEW|MSG_UNREAD;
 179         default_flags.tmp_flags = MSG_CACHED;
 180         if (type == F_MH || type == F_IMAP) {
 181                 if (item->stype == F_QUEUE) {
 182                         MSG_SET_TMP_FLAGS(default_flags, MSG_QUEUED);
 183                 } else if (item->stype == F_DRAFT) {
 184                         MSG_SET_TMP_FLAGS(default_flags, MSG_DRAFT);
 185                 }
 186         }
 187         if (type == F_IMAP) {
 188                 MSG_SET_TMP_FLAGS(default_flags, MSG_IMAP);
 189         } else if (type == F_NEWS) {
 190                 MSG_SET_TMP_FLAGS(default_flags, MSG_NEWS);
 191         }
 192
 193         if (type == F_MH) {
 194                 gchar *path;
 195
 196                 path = folder_item_get_path(item);
 197                 if (change_dir(path) < 0) {
 198                         g_free(path);
 199                         return NULL;
 200                 }
 201                 g_free(path);
 202         }
 203         cache_file = folder_item_get_cache_file(item);
 204         if ((fp = fopen(cache_file, "rb")) == NULL) {
 205                 debug_print("\tNo cache file\n");
 206                 g_free(cache_file);
 207                 return NULL;
 208         }
 209         setvbuf(fp, file_buf, _IOFBF, sizeof(file_buf));
 210         g_free(cache_file);
 211
 212         debug_print("\tReading summary cache...\n");
 213
 214         /* compare cache version */
 215         if (fread(&ver, sizeof(ver), 1, fp) != 1 ||
 216             CACHE_VERSION != ver) {
 217                 debug_print("Cache version is different. Discarding it.\n");
 218                 fclose(fp);
 219                 return NULL;
 220         }
 221
 222         while (fread(&num, sizeof(num), 1, fp) == 1) {
 223                 msginfo = procmsg_msginfo_new();
 224                 msginfo->msgnum = num;
 225                 READ_CACHE_DATA_INT(msginfo->size, fp);
 226                 READ_CACHE_DATA_INT(msginfo->mtime, fp);
 227                 READ_CACHE_DATA_INT(msginfo->date_t, fp);
 228                 READ_CACHE_DATA_INT(msginfo->flags.tmp_flags, fp);
 229
 230                 READ_CACHE_DATA(msginfo->fromname, fp);
 231
 232                 READ_CACHE_DATA(msginfo->date, fp);
 233                 READ_CACHE_DATA(msginfo->from, fp);
 234                 READ_CACHE_DATA(msginfo->to, fp);
 235                 READ_CACHE_DATA(msginfo->cc, fp);
 236                 READ_CACHE_DATA(msginfo->newsgroups, fp);
 237                 READ_CACHE_DATA(msginfo->subject, fp);
 238                 READ_CACHE_DATA(msginfo->msgid, fp);
 239                 READ_CACHE_DATA(msginfo->inreplyto, fp);
 240                 READ_CACHE_DATA(msginfo->references, fp);
 241                 READ_CACHE_DATA(msginfo->xref, fp);
 242
 243
 244                 MSG_SET_PERM_FLAGS(msginfo->flags, default_flags.perm_flags);
 245                 MSG_SET_TMP_FLAGS(msginfo->flags, default_flags.tmp_flags);
 246
 247                 /* if the message file doesn't exist or is changed,
 248                    don't add the data */
 249                 if (type == F_MH && scan_file &&
 250                     folder_item_is_msg_changed(item, msginfo))
 251                         procmsg_msginfo_free(msginfo);
 252                 else {
 253                         msginfo->folder = item;
 254
 255                         if (!mlist)
 256                                 last = mlist = g_slist_append(NULL, msginfo);
 257                         else {
 258                                 last = g_slist_append(last, msginfo);
 259                                 last = last->next;
 260                         }
 261                 }
 262         }
 263
 264         fclose(fp);
 265         debug_print("done.\n");
 266
 267         return mlist;
 268 }
 269
 270 #undef READ_CACHE_DATA
 271 #undef READ_CACHE_DATA_INT
 272
 273 void procmsg_set_flags(GSList *mlist, FolderItem *item)
 274 {
 275         GSList *cur, *tmp;
 276         gint newmsg = 0;
 277         gint lastnum = 0;
 278         gchar *markdir;
 279         MsgInfo *msginfo;
 280         GHashTable *mark_table;
 281         MsgFlags *flags;
 282
 283         if (!mlist) return;
 284         g_return_if_fail(item != NULL);
 285         g_return_if_fail(item->folder != NULL);
 286
 287         debug_print("\tMarking the messages...\n");
 288
 289         markdir = folder_item_get_path(item);
 290         if (!is_dir_exist(markdir))
 291                 make_dir_hier(markdir);
 292
 293         mark_table = procmsg_read_mark_file(markdir);
 294         g_free(markdir);
 295
 296         if (!mark_table) return;
 297
 298         for (cur = mlist; cur != NULL; cur = cur->next) {
 299                 msginfo = (MsgInfo *)cur->data;
 300
 301                 if (lastnum < msginfo->msgnum)
 302                         lastnum = msginfo->msgnum;
 303
 304                 flags = g_hash_table_lookup
 305                         (mark_table, GUINT_TO_POINTER(msginfo->msgnum));
 306
 307                 if (flags != NULL) {
 308                         /* add the permanent flags only */
 309                         msginfo->flags.perm_flags = flags->perm_flags;
 310                         if (item->folder->type == F_IMAP) {
 311                                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_IMAP);
 312                         } else if (item->folder->type == F_NEWS) {
 313                                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_NEWS);
 314                         }
 315                 } else {
 316                         /* not found (new message) */
 317                         if (newmsg == 0) {
 318                                 for (tmp = mlist; tmp != cur; tmp = tmp->next)
 319                                         MSG_UNSET_PERM_FLAGS
 320                                                 (((MsgInfo *)tmp->data)->flags,
 321                                                  MSG_NEW);
 322                         }
 323                         newmsg++;
 324                 }
 325         }
 326
 327         item->last_num = lastnum;
 328
 329         debug_print("done.\n");
 330         if (newmsg)
 331                 debug_print("\t%d new message(s)\n", newmsg);
 332
 333         hash_free_value_mem(mark_table);
 334         g_hash_table_destroy(mark_table);
 335 }
 336
 337 gint procmsg_get_last_num_in_msg_list(GSList *mlist)
 338 {
 339         GSList *cur;
 340         MsgInfo *msginfo;
 341         gint last = 0;
 342
 343         for (cur = mlist; cur != NULL; cur = cur->next) {
 344                 msginfo = (MsgInfo *)cur->data;
 345                 if (msginfo && msginfo->msgnum > last)
 346                         last = msginfo->msgnum;
 347         }
 348
 349         return last;
 350 }
 351
 352 void procmsg_msg_list_free(GSList *mlist)
 353 {
 354         GSList *cur;
 355         MsgInfo *msginfo;
 356
 357         for (cur = mlist; cur != NULL; cur = cur->next) {
 358                 msginfo = (MsgInfo *)cur->data;
 359                 procmsg_msginfo_free(msginfo);
 360         }
 361         g_slist_free(mlist);
 362 }
 363
 364 void procmsg_write_cache(MsgInfo *msginfo, FILE *fp)
 365 {
 366         MsgTmpFlags flags = msginfo->flags.tmp_flags & MSG_CACHED_FLAG_MASK;
 367
 368         WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
 369         WRITE_CACHE_DATA_INT(msginfo->size, fp);
 370         WRITE_CACHE_DATA_INT(msginfo->mtime, fp);
 371         WRITE_CACHE_DATA_INT(msginfo->date_t, fp);
 372         WRITE_CACHE_DATA_INT(flags, fp);
 373
 374         WRITE_CACHE_DATA(msginfo->fromname, fp);
 375
 376         WRITE_CACHE_DATA(msginfo->date, fp);
 377         WRITE_CACHE_DATA(msginfo->from, fp);
 378         WRITE_CACHE_DATA(msginfo->to, fp);
 379         WRITE_CACHE_DATA(msginfo->cc, fp);
 380         WRITE_CACHE_DATA(msginfo->newsgroups, fp);
 381         WRITE_CACHE_DATA(msginfo->subject, fp);
 382         WRITE_CACHE_DATA(msginfo->msgid, fp);
 383         WRITE_CACHE_DATA(msginfo->inreplyto, fp);
 384         WRITE_CACHE_DATA(msginfo->references, fp);
 385         WRITE_CACHE_DATA(msginfo->xref, fp);
 386
 387 }
 388
 389 void procmsg_write_flags(MsgInfo *msginfo, FILE *fp)
 390 {
 391         MsgPermFlags flags = msginfo->flags.perm_flags;
 392
 393         WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
 394         WRITE_CACHE_DATA_INT(flags, fp);
 395 }
 396
 397 void procmsg_flush_mark_queue(FolderItem *item, FILE *fp)
 398 {
 399         MsgInfo *flaginfo;
 400
 401         g_return_if_fail(item != NULL);
 402         g_return_if_fail(fp != NULL);
 403
 404         while (item->mark_queue != NULL) {
 405                 flaginfo = (MsgInfo *)item->mark_queue->data;
 406                 procmsg_write_flags(flaginfo, fp);
 407                 procmsg_msginfo_free(flaginfo);
 408                 item->mark_queue = g_slist_remove(item->mark_queue, flaginfo);
 409         }
 410 }
 411
 412 void procmsg_add_flags(FolderItem *item, gint num, MsgFlags flags)
 413 {
 414         FILE *fp;
 415         gchar *path;
 416         MsgInfo msginfo;
 417
 418         g_return_if_fail(item != NULL);
 419
 420         if (item->opened) {
 421                 MsgInfo *queue_msginfo;
 422
 423                 queue_msginfo = g_new0(MsgInfo, 1);
 424                 queue_msginfo->msgnum = num;
 425                 queue_msginfo->flags = flags;
 426                 item->mark_queue = g_slist_append
 427                         (item->mark_queue, queue_msginfo);
 428                 return;
 429         }
 430
 431         path = folder_item_get_path(item);
 432         g_return_if_fail(path != NULL);
 433
 434         if ((fp = procmsg_open_mark_file(path, TRUE)) == NULL) {
 435                 g_warning(_("can't open mark file\n"));
 436                 g_free(path);
 437                 return;
 438         }
 439         g_free(path);
 440
 441         msginfo.msgnum = num;
 442         msginfo.flags = flags;
 443
 444         procmsg_write_flags(&msginfo, fp);
 445         fclose(fp);
 446 }
 447
 448 struct MarkSum {
 449         gint *new;
 450         gint *unread;
 451         gint *total;
 452         gint *min;
 453         gint *max;
 454         gint first;
 455 };
 456
 457 static GHashTable *procmsg_read_mark_file(const gchar *folder)
 458 {
 459         FILE *fp;
 460         GHashTable *mark_table = NULL;
 461         gint num;
 462         MsgFlags *flags;
 463         MsgPermFlags perm_flags;
 464
 465         if ((fp = procmsg_open_mark_file(folder, FALSE)) == NULL)
 466                 return NULL;
 467
 468         mark_table = g_hash_table_new(NULL, g_direct_equal);
 469
 470         while (fread(&num, sizeof(num), 1, fp) == 1) {
 471                 if (fread(&perm_flags, sizeof(perm_flags), 1, fp) != 1) break;
 472
 473                 flags = g_hash_table_lookup(mark_table, GUINT_TO_POINTER(num));
 474                 if (flags != NULL)
 475                         g_free(flags);
 476
 477                 flags = g_new0(MsgFlags, 1);
 478                 flags->perm_flags = perm_flags;
 479
 480                 if (!MSG_IS_REALLY_DELETED(*flags)) {
 481                         g_hash_table_insert(mark_table, GUINT_TO_POINTER(num), flags);
 482                 } else {
 483                         g_hash_table_remove(mark_table, GUINT_TO_POINTER(num));
 484                 }
 485         }
 486
 487         fclose(fp);
 488         return mark_table;
 489 }
 490
 491 FILE *procmsg_open_mark_file(const gchar *folder, gboolean append)
 492 {
 493         gchar *markfile;
 494         FILE *fp;
 495         gint ver;
 496
 497         markfile = g_strconcat(folder, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
 498
 499         if ((fp = fopen(markfile, "rb")) == NULL)
 500                 debug_print("Mark file not found.\n");
 501         else if (fread(&ver, sizeof(ver), 1, fp) != 1 || MARK_VERSION != ver) {
 502                 debug_print("Mark version is different (%d != %d). "
 503                               "Discarding it.\n", ver, MARK_VERSION);
 504                 fclose(fp);
 505                 fp = NULL;
 506         }
 507
 508         /* read mode */
 509         if (append == FALSE) {
 510                 g_free(markfile);
 511                 return fp;
 512         }
 513
 514         if (fp) {
 515                 /* reopen with append mode */
 516                 fclose(fp);
 517                 if ((fp = fopen(markfile, "ab")) == NULL)
 518                         g_warning(_("Can't open mark file with append mode.\n"));
 519         } else {
 520                 /* open with overwrite mode if mark file doesn't exist or
 521                    version is different */
 522                 if ((fp = fopen(markfile, "wb")) == NULL)
 523                         g_warning(_("Can't open mark file with write mode.\n"));
 524                 else {
 525                         ver = MARK_VERSION;
 526                         WRITE_CACHE_DATA_INT(ver, fp);
 527                 }
 528         }
 529
 530         g_free(markfile);
 531         return fp;
 532 }
 533
 534 static gboolean procmsg_ignore_node(GNode *node, gpointer data)
 535 {
 536         MsgInfo *msginfo = (MsgInfo *)node->data;
 537
 538         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
 539
 540         return FALSE;
 541 }
 542
 543 /* return the reversed thread tree */
 544 GNode *procmsg_get_thread_tree(GSList *mlist)
 545 {
 546         GNode *root, *parent, *node, *next;
 547         GHashTable *msgid_table;
 548         GHashTable *subject_table;
 549         MsgInfo *msginfo;
 550         const gchar *msgid;
 551         const gchar *subject;
 552         GNode *found_subject;
 553
 554         root = g_node_new(NULL);
 555         msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
 556         subject_table = g_hash_table_new(g_str_hash, g_str_equal);
 557
 558         for (; mlist != NULL; mlist = mlist->next) {
 559                 msginfo = (MsgInfo *)mlist->data;
 560                 parent = root;
 561
 562                 if (msginfo->inreplyto) {
 563                         parent = g_hash_table_lookup(msgid_table, msginfo->inreplyto);
 564                         if (parent == NULL) {
 565                                 parent = root;
 566                         } else {
 567                                 if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 568                                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
 569                                 }
 570                         }
 571                 }
 572                 node = g_node_insert_data_before
 573                         (parent, parent == root ? parent->children : NULL,
 574                          msginfo);
 575                 if ((msgid = msginfo->msgid) &&
 576                     g_hash_table_lookup(msgid_table, msgid) == NULL)
 577                         g_hash_table_insert(msgid_table, (gchar *)msgid, node);
 578
 579                 subject = msginfo->subject;
 580                 found_subject = subject_table_lookup(subject_table,
 581                                                      (gchar *) subject);
 582                 if (found_subject == NULL)
 583                         subject_table_insert(subject_table, (gchar *) subject,
 584                                              node);
 585                 else {
 586                         /* replace if msg in table is older than current one
 587                          * can add here more stuff.  */
 588                         if ( ((MsgInfo*)(found_subject->data))->date_t >
 589                              ((MsgInfo*)(node->data))->date_t )  {
 590                                 subject_table_remove(subject_table, (gchar *) subject);
 591                                 subject_table_insert(subject_table, (gchar *) subject, node);
 592                         }
 593                 }
 594         }
 595
 596         /* complete the unfinished threads */
 597         for (node = root->children; node != NULL; ) {
 598                 next = node->next;
 599                 msginfo = (MsgInfo *)node->data;
 600                 parent = NULL;
 601                 if (msginfo->inreplyto)
 602                         parent = g_hash_table_lookup(msgid_table, msginfo->inreplyto);
 603                 if (parent && parent != node) {
 604                         g_node_unlink(node);
 605                         g_node_insert_before
 606                                 (parent, parent->children, node);
 607                         /* CLAWS: ignore thread */
 608                         if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 609                                 g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 610                         }
 611                 }
 612                 node = next;
 613         }
 614
 615         /* CLAWS: now see if the first level (below root) still has some nodes that can be
 616          * threaded by subject line. we need to handle this in a special way to prevent
 617          * circular reference from a node that has already been threaded by IN-REPLY-TO
 618          * but is also in the subject line hash table */
 619         for (node = root->children; node != NULL; ) {
 620                 next = node->next;
 621                 msginfo = (MsgInfo *) node->data;
 622                 parent = NULL;
 623                 if (subject_is_reply(msginfo->subject)) {
 624                         parent = subject_table_lookup(subject_table,
 625                                                       msginfo->subject);
 626                         /* the node may already be threaded by IN-REPLY-TO,
 627                            so go up in the tree to find the parent node */
 628                         if (parent != NULL) {
 629                                 if (g_node_is_ancestor(node, parent))
 630                                         parent = NULL;
 631                                 if (parent == node)
 632                                         parent = NULL;
 633                         }
 634
 635                         if (parent) {
 636                                 g_node_unlink(node);
 637                                 g_node_append(parent, node);
 638                                 /* CLAWS: ignore thread */
 639                                 if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 640                                         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 641                                 }
 642                         }
 643                 }
 644                 node = next;
 645         }
 646
 647         g_hash_table_destroy(subject_table);
 648         g_hash_table_destroy(msgid_table);
 649
 650         return root;
 651 }
 652
 653 void procmsg_move_messages(GSList *mlist)
 654 {
 655         GSList *cur, *movelist = NULL;
 656         MsgInfo *msginfo;
 657         FolderItem *dest = NULL;
 658
 659         if (!mlist) return;
 660
 661         for (cur = mlist; cur != NULL; cur = cur->next) {
 662                 msginfo = (MsgInfo *)cur->data;
 663                 if (!dest) {
 664                         dest = msginfo->to_folder;
 665                         movelist = g_slist_append(movelist, msginfo);
 666                 } else if (dest == msginfo->to_folder) {
 667                         movelist = g_slist_append(movelist, msginfo);
 668                 } else {
 669                         folder_item_move_msgs_with_dest(dest, movelist);
 670                         g_slist_free(movelist);
 671                         movelist = NULL;
 672                         dest = msginfo->to_folder;
 673                         movelist = g_slist_append(movelist, msginfo);
 674                 }
 675         }
 676
 677         if (movelist) {
 678                 folder_item_move_msgs_with_dest(dest, movelist);
 679                 g_slist_free(movelist);
 680         }
 681 }
 682
 683 void procmsg_copy_messages(GSList *mlist)
 684 {
 685         GSList *cur, *copylist = NULL;
 686         MsgInfo *msginfo;
 687         FolderItem *dest = NULL;
 688
 689         if (!mlist) return;
 690
 691         /*
 692
 693         Horrible: Scanning 2 times for every copy!
 694
 695         hash = procmsg_to_folder_hash_table_create(mlist);
 696         folder_item_scan_foreach(hash);
 697         g_hash_table_destroy(hash);
 698         */
 699
 700         for (cur = mlist; cur != NULL; cur = cur->next) {
 701                 msginfo = (MsgInfo *)cur->data;
 702                 if (!dest) {
 703                         dest = msginfo->to_folder;
 704                         copylist = g_slist_append(copylist, msginfo);
 705                 } else if (dest == msginfo->to_folder) {
 706                         copylist = g_slist_append(copylist, msginfo);
 707                 } else {
 708                         folder_item_copy_msgs_with_dest(dest, copylist);
 709                         g_slist_free(copylist);
 710                         copylist = NULL;
 711                         dest = msginfo->to_folder;
 712                         copylist = g_slist_append(copylist, msginfo);
 713                 }
 714         }
 715
 716         if (copylist) {
 717                 folder_item_copy_msgs_with_dest(dest, copylist);
 718                 g_slist_free(copylist);
 719         }
 720 }
 721
 722 gchar *procmsg_get_message_file_path(MsgInfo *msginfo)
 723 {
 724         gchar *path, *file;
 725
 726         g_return_val_if_fail(msginfo != NULL, NULL);
 727
 728         if (msginfo->plaintext_file)
 729                 file = g_strdup(msginfo->plaintext_file);
 730         else {
 731                 path = folder_item_get_path(msginfo->folder);
 732                 file = g_strconcat(path, G_DIR_SEPARATOR_S,
 733                                    itos(msginfo->msgnum), NULL);
 734                 g_free(path);
 735         }
 736
 737         return file;
 738 }
 739
 740 gchar *procmsg_get_message_file(MsgInfo *msginfo)
 741 {
 742         gchar *filename = NULL;
 743
 744         g_return_val_if_fail(msginfo != NULL, NULL);
 745
 746         filename = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
 747         if (!filename)
 748                 g_warning(_("can't fetch message %d\n"), msginfo->msgnum);
 749
 750         return filename;
 751 }
 752
 753 FILE *procmsg_open_message(MsgInfo *msginfo)
 754 {
 755         FILE *fp;
 756         gchar *file;
 757
 758         g_return_val_if_fail(msginfo != NULL, NULL);
 759
 760         file = procmsg_get_message_file_path(msginfo);
 761         g_return_val_if_fail(file != NULL, NULL);
 762
 763         if (!is_file_exist(file)) {
 764                 g_free(file);
 765                 file = procmsg_get_message_file(msginfo);
 766                 g_return_val_if_fail(file != NULL, NULL);
 767         }
 768
 769         if ((fp = fopen(file, "rb")) == NULL) {
 770                 FILE_OP_ERROR(file, "fopen");
 771                 g_free(file);
 772                 return NULL;
 773         }
 774
 775         g_free(file);
 776
 777         if (MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags)) {
 778                 gchar buf[BUFFSIZE];
 779
 780                 while (fgets(buf, sizeof(buf), fp) != NULL)
 781                         if (buf[0] == '\r' || buf[0] == '\n') break;
 782         }
 783
 784         return fp;
 785 }
 786
 787 #if USE_GPGME
 788 FILE *procmsg_open_message_decrypted(MsgInfo *msginfo, MimeInfo **mimeinfo)
 789 {
 790         FILE *fp;
 791         MimeInfo *mimeinfo_;
 792
 793         g_return_val_if_fail(msginfo != NULL, NULL);
 794
 795         if (mimeinfo) *mimeinfo = NULL;
 796
 797         if ((fp = procmsg_open_message(msginfo)) == NULL) return NULL;
 798
 799         mimeinfo_ = procmime_scan_mime_header(fp);
 800         if (!mimeinfo_) {
 801                 fclose(fp);
 802                 return NULL;
 803         }
 804
 805         if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 806             rfc2015_is_encrypted(mimeinfo_)) {
 807                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 808         }
 809
 810         if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 811             !msginfo->plaintext_file &&
 812             !msginfo->decryption_failed) {
 813                 rfc2015_decrypt_message(msginfo, mimeinfo_, fp);
 814                 if (msginfo->plaintext_file &&
 815                     !msginfo->decryption_failed) {
 816                         fclose(fp);
 817                         procmime_mimeinfo_free_all(mimeinfo_);
 818                         if ((fp = procmsg_open_message(msginfo)) == NULL)
 819                                 return NULL;
 820                         mimeinfo_ = procmime_scan_mime_header(fp);
 821                         if (!mimeinfo_) {
 822                                 fclose(fp);
 823                                 return NULL;
 824                         }
 825                 }
 826         }
 827
 828         if (mimeinfo) *mimeinfo = mimeinfo_;
 829         return fp;
 830 }
 831 #endif
 832
 833 gboolean procmsg_msg_exist(MsgInfo *msginfo)
 834 {
 835         gchar *path;
 836         gboolean ret;
 837
 838         if (!msginfo) return FALSE;
 839
 840         path = folder_item_get_path(msginfo->folder);
 841         change_dir(path);
 842         ret = !folder_item_is_msg_changed(msginfo->folder, msginfo);
 843         g_free(path);
 844
 845         return ret;
 846 }
 847
 848 void procmsg_empty_trash(void)
 849 {
 850         FolderItem *trash;
 851         GList *cur;
 852
 853         for (cur = folder_get_list(); cur != NULL; cur = cur->next) {
 854                 trash = FOLDER(cur->data)->trash;
 855                 if (trash && trash->total > 0)
 856                         folder_item_remove_all_msg(trash);
 857         }
 858 }
 859
 860 gint procmsg_send_queue(FolderItem *queue, gboolean save_msgs)
 861 {
 862         gint ret = 0;
 863         GSList *list, *elem;
 864
 865         if (!queue)
 866                 queue = folder_get_default_queue();
 867         g_return_val_if_fail(queue != NULL, -1);
 868
 869         folder_item_scan(queue);
 870         list = folder_item_get_msg_list(queue);
 871
 872
 873         for (elem = list; elem != NULL; elem = elem->next) {
 874                 gchar *file;
 875                 MsgInfo *msginfo;
 876
 877                 msginfo = (MsgInfo *)(elem->data);
 878
 879                 file = folder_item_fetch_msg(queue, msginfo->msgnum);
 880                 if (file) {
 881                         if (procmsg_send_message_queue(file) < 0) {
 882                                 g_warning(_("Sending queued message %d failed.\n"), msginfo->msgnum);
 883                                 ret = -1;
 884                         } else {
 885                         /* CLAWS:
 886                          * We save in procmsg_send_message_queue because
 887                          * we need the destination folder from the queue
 888                          * header
 889
 890                                 if (save_msgs)
 891                                         procmsg_save_to_outbox
 892                                                 (queue->folder->outbox,
 893                                                  file, TRUE);
 894 */
 895                                 folder_item_remove_msg(queue, msginfo->msgnum);
 896                         }
 897                         g_free(file);
 898                 }
 899                 procmsg_msginfo_free(msginfo);
 900         }
 901
 902         folder_update_item(queue, FALSE);
 903
 904         return ret;
 905 }
 906
 907 gint procmsg_remove_special_headers(const gchar *in, const gchar *out)
 908 {
 909         FILE *fp, *outfp;
 910         gchar buf[BUFFSIZE];
 911
 912         if ((fp = fopen(in, "rb")) == NULL) {
 913                 FILE_OP_ERROR(in, "fopen");
 914                 return -1;
 915         }
 916         if ((outfp = fopen(out, "wb")) == NULL) {
 917                 FILE_OP_ERROR(out, "fopen");
 918                 fclose(fp);
 919                 return -1;
 920         }
 921         while (fgets(buf, sizeof(buf), fp) != NULL)
 922                 if (buf[0] == '\r' || buf[0] == '\n') break;
 923         while (fgets(buf, sizeof(buf), fp) != NULL)
 924                 fputs(buf, outfp);
 925         fclose(outfp);
 926         fclose(fp);
 927         return 0;
 928
 929 }
 930 gint procmsg_save_to_outbox(FolderItem *outbox, const gchar *file,
 931                             gboolean is_queued)
 932 {
 933         gint num;
 934         MsgInfo *msginfo;
 935
 936         debug_print("saving sent message...\n");
 937
 938         if (!outbox)
 939                 outbox = folder_get_default_outbox();
 940         g_return_val_if_fail(outbox != NULL, -1);
 941
 942         /* remove queueing headers */
 943         if (is_queued) {
 944                 gchar tmp[MAXPATHLEN + 1];
 945
 946                 g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg.out.%08x",
 947                            get_rc_dir(), G_DIR_SEPARATOR, (guint)random());
 948
 949                 if (procmsg_remove_special_headers(file, tmp) !=0)
 950                         return -1;
 951
 952                 folder_item_scan(outbox);
 953                 if ((num = folder_item_add_msg(outbox, tmp, TRUE)) < 0) {
 954                         g_warning("can't save message\n");
 955                         unlink(tmp);
 956                         return -1;
 957                 }
 958         } else {
 959                 folder_item_scan(outbox);
 960                 if ((num = folder_item_add_msg(outbox, file, FALSE)) < 0) {
 961                         g_warning("can't save message\n");
 962                         return -1;
 963                 }
 964                 return -1;
 965         }
 966         msginfo = folder_item_get_msginfo(outbox, num);
 967         if (msginfo != NULL) {
 968             procmsg_msginfo_unset_flags(msginfo, ~0, 0);
 969             procmsg_msginfo_free(msginfo);
 970         }
 971
 972         return 0;
 973 }
 974
 975 void procmsg_print_message(MsgInfo *msginfo, const gchar *cmdline)
 976 {
 977         static const gchar *def_cmd = "lpr %s";
 978         static guint id = 0;
 979         gchar *prtmp;
 980         FILE *tmpfp, *prfp;
 981         gchar buf[1024];
 982         gchar *p;
 983
 984         g_return_if_fail(msginfo);
 985
 986         if ((tmpfp = procmime_get_first_text_content(msginfo)) == NULL) {
 987                 g_warning(_("Can't get text part\n"));
 988                 return;
 989         }
 990
 991         prtmp = g_strdup_printf("%s%cprinttmp.%08x",
 992                                 get_mime_tmp_dir(), G_DIR_SEPARATOR, id++);
 993
 994         if ((prfp = fopen(prtmp, "wb")) == NULL) {
 995                 FILE_OP_ERROR(prtmp, "fopen");
 996                 g_free(prtmp);
 997                 fclose(tmpfp);
 998                 return;
 999         }
1000
1001         if (msginfo->date) fprintf(prfp, "Date: %s\n", msginfo->date);
1002         if (msginfo->from) fprintf(prfp, "From: %s\n", msginfo->from);
1003         if (msginfo->to)   fprintf(prfp, "To: %s\n", msginfo->to);
1004         if (msginfo->cc)   fprintf(prfp, "Cc: %s\n", msginfo->cc);
1005         if (msginfo->newsgroups)
1006                 fprintf(prfp, "Newsgroups: %s\n", msginfo->newsgroups);
1007         if (msginfo->subject) fprintf(prfp, "Subject: %s\n", msginfo->subject);
1008         fputc('\n', prfp);
1009
1010         while (fgets(buf, sizeof(buf), tmpfp) != NULL)
1011                 fputs(buf, prfp);
1012
1013         fclose(prfp);
1014         fclose(tmpfp);
1015
1016         if (cmdline && (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
1017             !strchr(p + 2, '%'))
1018                 g_snprintf(buf, sizeof(buf) - 1, cmdline, prtmp);
1019         else {
1020                 if (cmdline)
1021                         g_warning(_("Print command line is invalid: `%s'\n"),
1022                                   cmdline);
1023                 g_snprintf(buf, sizeof(buf) - 1, def_cmd, prtmp);
1024         }
1025
1026         g_free(prtmp);
1027
1028         g_strchomp(buf);
1029         if (buf[strlen(buf) - 1] != '&') strcat(buf, "&");
1030         system(buf);
1031 }
1032
1033 MsgInfo *procmsg_msginfo_new_ref(MsgInfo *msginfo)
1034 {
1035         msginfo->refcnt++;
1036
1037         return msginfo;
1038 }
1039
1040 MsgInfo *procmsg_msginfo_new()
1041 {
1042         MsgInfo *newmsginfo;
1043
1044         newmsginfo = g_new0(MsgInfo, 1);
1045         newmsginfo->refcnt = 1;
1046
1047         return newmsginfo;
1048 }
1049
1050 MsgInfo *procmsg_msginfo_copy(MsgInfo *msginfo)
1051 {
1052         MsgInfo *newmsginfo;
1053
1054         if (msginfo == NULL) return NULL;
1055
1056         newmsginfo = g_new0(MsgInfo, 1);
1057
1058         newmsginfo->refcnt = 1;
1059
1060 #define MEMBCOPY(mmb)   newmsginfo->mmb = msginfo->mmb
1061 #define MEMBDUP(mmb)    newmsginfo->mmb = msginfo->mmb ? \
1062                         g_strdup(msginfo->mmb) : NULL
1063
1064         MEMBCOPY(msgnum);
1065         MEMBCOPY(size);
1066         MEMBCOPY(mtime);
1067         MEMBCOPY(date_t);
1068         MEMBCOPY(flags);
1069
1070         MEMBDUP(fromname);
1071
1072         MEMBDUP(date);
1073         MEMBDUP(from);
1074         MEMBDUP(to);
1075         MEMBDUP(cc);
1076         MEMBDUP(newsgroups);
1077         MEMBDUP(subject);
1078         MEMBDUP(msgid);
1079         MEMBDUP(inreplyto);
1080         MEMBDUP(xref);
1081
1082         MEMBCOPY(folder);
1083         MEMBCOPY(to_folder);
1084
1085         MEMBDUP(xface);
1086         MEMBDUP(dispositionnotificationto);
1087         MEMBDUP(returnreceiptto);
1088         MEMBDUP(references);
1089
1090         MEMBCOPY(score);
1091         MEMBCOPY(threadscore);
1092
1093         return newmsginfo;
1094 }
1095
1096 MsgInfo *procmsg_msginfo_get_full_info(MsgInfo *msginfo)
1097 {
1098         MsgInfo *full_msginfo;
1099         gchar *file;
1100
1101         if (msginfo == NULL) return NULL;
1102
1103         file = procmsg_get_message_file(msginfo);
1104         if (!file) {
1105                 g_warning("procmsg_msginfo_get_full_info(): can't get message file.\n");
1106                 return NULL;
1107         }
1108
1109         full_msginfo = procheader_parse_file(file, msginfo->flags, TRUE, FALSE);
1110         g_free(file);
1111         if (!full_msginfo) return NULL;
1112
1113         full_msginfo->msgnum = msginfo->msgnum;
1114         full_msginfo->size = msginfo->size;
1115         full_msginfo->mtime = msginfo->mtime;
1116         full_msginfo->folder = msginfo->folder;
1117         full_msginfo->to_folder = msginfo->to_folder;
1118 #if USE_GPGME
1119         full_msginfo->plaintext_file = g_strdup(msginfo->plaintext_file);
1120         full_msginfo->decryption_failed = msginfo->decryption_failed;
1121 #endif
1122
1123         return full_msginfo;
1124 }
1125
1126 void procmsg_msginfo_free(MsgInfo *msginfo)
1127 {
1128         if (msginfo == NULL) return;
1129
1130         msginfo->refcnt--;
1131         if (msginfo->refcnt > 0)
1132                 return;
1133
1134         g_free(msginfo->fromspace);
1135         g_free(msginfo->references);
1136         g_free(msginfo->returnreceiptto);
1137         g_free(msginfo->dispositionnotificationto);
1138         g_free(msginfo->xface);
1139
1140         g_free(msginfo->fromname);
1141
1142         g_free(msginfo->date);
1143         g_free(msginfo->from);
1144         g_free(msginfo->to);
1145         g_free(msginfo->cc);
1146         g_free(msginfo->newsgroups);
1147         g_free(msginfo->subject);
1148         g_free(msginfo->msgid);
1149         g_free(msginfo->inreplyto);
1150         g_free(msginfo->xref);
1151
1152         g_free(msginfo);
1153 }
1154
1155 guint procmsg_msginfo_memusage(MsgInfo *msginfo)
1156 {
1157         guint memusage = 0;
1158
1159         memusage += sizeof(MsgInfo);
1160         if (msginfo->fromname)
1161                 memusage += strlen(msginfo->fromname);
1162         if (msginfo->date)
1163                 memusage += strlen(msginfo->date);
1164         if (msginfo->from)
1165                 memusage += strlen(msginfo->from);
1166         if (msginfo->to)
1167                 memusage += strlen(msginfo->to);
1168         if (msginfo->cc)
1169                 memusage += strlen(msginfo->cc);
1170         if (msginfo->newsgroups)
1171                 memusage += strlen(msginfo->newsgroups);
1172         if (msginfo->subject)
1173                 memusage += strlen(msginfo->subject);
1174         if (msginfo->msgid)
1175                 memusage += strlen(msginfo->msgid);
1176         if (msginfo->inreplyto)
1177                 memusage += strlen(msginfo->inreplyto);
1178         if (msginfo->xface)
1179                 memusage += strlen(msginfo->xface);
1180         if (msginfo->dispositionnotificationto)
1181                 memusage += strlen(msginfo->dispositionnotificationto);
1182         if (msginfo->returnreceiptto)
1183                 memusage += strlen(msginfo->returnreceiptto);
1184         if (msginfo->references)
1185                 memusage += strlen(msginfo->references);
1186         if (msginfo->fromspace)
1187                 memusage += strlen(msginfo->fromspace);
1188
1189         return memusage;
1190 }
1191
1192 gint procmsg_cmp_msgnum_for_sort(gconstpointer a, gconstpointer b)
1193 {
1194         const MsgInfo *msginfo1 = a;
1195         const MsgInfo *msginfo2 = b;
1196
1197         if (!msginfo1)
1198                 return -1;
1199         if (!msginfo2)
1200                 return -1;
1201
1202         return msginfo1->msgnum - msginfo2->msgnum;
1203 }
1204
1205 enum
1206 {
1207         Q_SENDER           = 0,
1208         Q_SMTPSERVER       = 1,
1209         Q_RECIPIENTS       = 2,
1210         Q_NEWSGROUPS       = 3,
1211         Q_MAIL_ACCOUNT_ID  = 4,
1212         Q_NEWS_ACCOUNT_ID  = 5,
1213         Q_SAVE_COPY_FOLDER = 6,
1214         Q_REPLY_MESSAGE_ID = 7,
1215 };
1216
1217 gint procmsg_send_message_queue(const gchar *file)
1218 {
1219         static HeaderEntry qentry[] = {{"S:",    NULL, FALSE},
1220                                        {"SSV:",  NULL, FALSE},
1221                                        {"R:",    NULL, FALSE},
1222                                        {"NG:",   NULL, FALSE},
1223                                        {"MAID:", NULL, FALSE},
1224                                        {"NAID:", NULL, FALSE},
1225                                        {"SCF:",  NULL, FALSE},
1226                                        {"RMID:", NULL, FALSE},
1227                                        {NULL,    NULL, FALSE}};
1228         FILE *fp;
1229         gint filepos;
1230         gint mailval = 0, newsval = 0;
1231         gchar *from = NULL;
1232         gchar *smtpserver = NULL;
1233         GSList *to_list = NULL;
1234         GSList *newsgroup_list = NULL;
1235         gchar *savecopyfolder = NULL;
1236         gchar *replymessageid = NULL;
1237         gchar buf[BUFFSIZE];
1238         gint hnum;
1239         PrefsAccount *mailac = NULL, *newsac = NULL;
1240         int local = 0;
1241
1242         g_return_val_if_fail(file != NULL, -1);
1243
1244         if ((fp = fopen(file, "rb")) == NULL) {
1245                 FILE_OP_ERROR(file, "fopen");
1246                 return -1;
1247         }
1248
1249         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
1250                != -1) {
1251                 gchar *p = buf + strlen(qentry[hnum].name);
1252
1253                 switch (hnum) {
1254                 case Q_SENDER:
1255                         if (!from) from = g_strdup(p);
1256                         break;
1257                 case Q_SMTPSERVER:
1258                         if (!smtpserver) smtpserver = g_strdup(p);
1259                         break;
1260                 case Q_RECIPIENTS:
1261                         to_list = address_list_append(to_list, p);
1262                         break;
1263                 case Q_NEWSGROUPS:
1264                         newsgroup_list = newsgroup_list_append(newsgroup_list, p);
1265                         break;
1266                 case Q_MAIL_ACCOUNT_ID:
1267                         mailac = account_find_from_id(atoi(p));
1268                         break;
1269                 case Q_NEWS_ACCOUNT_ID:
1270                         newsac = account_find_from_id(atoi(p));
1271                         break;
1272                 case Q_SAVE_COPY_FOLDER:
1273                         if (!savecopyfolder) savecopyfolder = g_strdup(p);
1274                         break;
1275                 case Q_REPLY_MESSAGE_ID:
1276                         if (!replymessageid) replymessageid = g_strdup(p);
1277                         break;
1278                 }
1279         }
1280         filepos = ftell(fp);
1281
1282         if (to_list) {
1283                 debug_print("Sending message by mail\n");
1284                 if (!from) {
1285                         g_warning(_("Queued message header is broken.\n"));
1286                         mailval = -1;
1287                 } else if (mailac && mailac->use_mail_command &&
1288                            mailac->mail_command && (* mailac->mail_command)) {
1289                         mailval = send_message_local(mailac->mail_command, fp);
1290                         local = 1;
1291                 } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
1292                         mailval = send_message_local(prefs_common.extsend_cmd, fp);
1293                         local = 1;
1294                 } else {
1295                         if (!mailac) {
1296                                 mailac = account_find_from_smtp_server(from, smtpserver);
1297                                 if (!mailac) {
1298                                         g_warning(_("Account not found. "
1299                                                     "Using current account...\n"));
1300                                         mailac = cur_account;
1301                                 }
1302                         }
1303
1304                         if (mailac)
1305                                 mailval = send_message_smtp(mailac, to_list, fp);
1306                         else {
1307                                 PrefsAccount tmp_ac;
1308
1309                                 g_warning(_("Account not found.\n"));
1310
1311                                 memset(&tmp_ac, 0, sizeof(PrefsAccount));
1312                                 tmp_ac.address = from;
1313                                 tmp_ac.smtp_server = smtpserver;
1314                                 tmp_ac.smtpport = SMTP_PORT;
1315                                 mailval = send_message_smtp(&tmp_ac, to_list, fp);
1316                         }
1317                 }
1318                 if (mailval < 0) {
1319                         if (!local)
1320                                 alertpanel_error(
1321                                         _("Error occurred while sending the message to `%s'."),
1322                                         mailac ? mailac->smtp_server : smtpserver);
1323                         else
1324                                 alertpanel_error(
1325                                         _("Error occurred while sending the message with command `%s'."),
1326                                         (mailac && mailac->use_mail_command &&
1327                                          mailac->mail_command && (*mailac->mail_command)) ?
1328                                                 mailac->mail_command : prefs_common.extsend_cmd);
1329                 }
1330         }
1331
1332         fseek(fp, filepos, SEEK_SET);
1333         if (newsgroup_list && (newsval == 0)) {
1334                 Folder *folder;
1335                 gchar *tmp = NULL;
1336                 FILE *tmpfp;
1337
1338                 /* write to temporary file */
1339                 tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
1340                             G_DIR_SEPARATOR, (gint)file);
1341                 if ((tmpfp = fopen(tmp, "wb")) == NULL) {
1342                         FILE_OP_ERROR(tmp, "fopen");
1343                         newsval = -1;
1344                         alertpanel_error(_("Could not create temporary file for news sending."));
1345                 } else {
1346                         if (change_file_mode_rw(tmpfp, tmp) < 0) {
1347                                 FILE_OP_ERROR(tmp, "chmod");
1348                                 g_warning(_("can't change file mode\n"));
1349                         }
1350
1351                         while ((newsval == 0) && fgets(buf, sizeof(buf), fp) != NULL) {
1352                                 if (fputs(buf, tmpfp) == EOF) {
1353                                         FILE_OP_ERROR(tmp, "fputs");
1354                                         newsval = -1;
1355                                         alertpanel_error(_("Error when writing temporary file for news sending."));
1356                                 }
1357                         }
1358                         fclose(tmpfp);
1359
1360                         if (newsval == 0) {
1361                                 debug_print("Sending message by news\n");
1362
1363                                 folder = FOLDER(newsac->folder);
1364
1365                                 newsval = news_post(folder, tmp);
1366                                 if (newsval < 0) {
1367                                         alertpanel_error(_("Error occurred while posting the message to %s ."),
1368                                                  newsac->nntp_server);
1369                                 }
1370                         }
1371                         unlink(tmp);
1372                 }
1373                 g_free(tmp);
1374         }
1375
1376         slist_free_strings(to_list);
1377         g_slist_free(to_list);
1378         slist_free_strings(newsgroup_list);
1379         g_slist_free(newsgroup_list);
1380         g_free(from);
1381         g_free(smtpserver);
1382         fclose(fp);
1383
1384         /* save message to outbox */
1385         if (mailval == 0 && newsval == 0 && savecopyfolder) {
1386                 FolderItem *outbox;
1387
1388                 debug_print("saving sent message...\n");
1389
1390                 outbox = folder_find_item_from_identifier(savecopyfolder);
1391                 if (!outbox)
1392                         outbox = folder_get_default_outbox();
1393
1394                 procmsg_save_to_outbox(outbox, file, TRUE);
1395         }
1396
1397         if (replymessageid != NULL) {
1398                 gchar **tokens;
1399                 FolderItem *item;
1400
1401                 tokens = g_strsplit(replymessageid, "\x7f", 0);
1402                 item = folder_find_item_from_identifier(tokens[0]);
1403                 if (item != NULL) {
1404                         MsgInfo *msginfo;
1405
1406                         msginfo = folder_item_get_msginfo(item, atoi(tokens[1]));
1407                         if ((msginfo != NULL) && (strcmp(msginfo->msgid, tokens[2]) != 0)) {
1408                                 procmsg_msginfo_free(msginfo);
1409                                 msginfo = NULL;
1410                         }
1411
1412                         if (msginfo == NULL) {
1413                                 msginfo = folder_item_get_msginfo_by_msgid(item, tokens[2]);
1414                         }
1415
1416                         if (msginfo != NULL) {
1417                                 procmsg_msginfo_unset_flags(msginfo, MSG_FORWARDED, 0);
1418                                 procmsg_msginfo_set_flags(msginfo, MSG_REPLIED, 0);
1419
1420                                 msginfo_update_item(msginfo);
1421                                 procmsg_msginfo_free(msginfo);
1422                         }
1423                 }
1424                 g_strfreev(tokens);
1425         }
1426
1427         g_free(savecopyfolder);
1428         g_free(replymessageid);
1429
1430         return (newsval != 0 ? newsval : mailval);
1431 }
1432
1433 #define CHANGE_FLAGS(msginfo) \
1434 { \
1435 if (msginfo->folder->folder->change_flags != NULL) \
1436 msginfo->folder->folder->change_flags(msginfo->folder->folder, \
1437                                       msginfo->folder, \
1438                                       msginfo); \
1439 }
1440
1441 void procmsg_msginfo_set_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1442 {
1443         FolderItem *item;
1444
1445         g_return_if_fail(msginfo != NULL);
1446         item = msginfo->folder;
1447         g_return_if_fail(item != NULL);
1448
1449         debug_print("Setting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1450
1451         /* if new flag is set */
1452         if ((perm_flags & MSG_NEW) && !MSG_IS_NEW(msginfo->flags) &&
1453            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1454                 item->new++;
1455                 item->need_update = TRUE;
1456         }
1457
1458         /* if unread flag is set */
1459         if ((perm_flags & MSG_UNREAD) && !MSG_IS_UNREAD(msginfo->flags) &&
1460            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1461                 item->unread++;
1462                 item->need_update = TRUE;
1463         }
1464
1465         if (!MSG_IS_UNREAD(msginfo->flags) &&(perm_flags & MSG_UNREAD)
1466         && procmsg_msg_has_marked_parent(msginfo)) {
1467                 item->unreadmarked++;
1468                 item->need_update = TRUE;
1469         }
1470
1471         if (!MSG_IS_MARKED(msginfo->flags) && (perm_flags & MSG_MARKED)) {
1472                 procmsg_update_unread_children(msginfo, TRUE);
1473         }
1474
1475
1476         /* if ignore thread flag is set */
1477         if ((perm_flags & MSG_IGNORE_THREAD) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1478                 if (MSG_IS_NEW(msginfo->flags) || (perm_flags & MSG_NEW)) {
1479                         item->new--;
1480                         item->need_update = TRUE;
1481                 }
1482                 if (MSG_IS_UNREAD(msginfo->flags) || (perm_flags & MSG_UNREAD)) {
1483                         item->unread--;
1484                         item->need_update = TRUE;
1485                 }
1486                 if ((perm_flags & MSG_UNREAD) || (MSG_IS_UNREAD(msginfo->flags)
1487                 && procmsg_msg_has_marked_parent(msginfo))) {
1488                         item->unreadmarked--;
1489                         item->need_update = TRUE;
1490                 }
1491                 if ((perm_flags & MSG_MARKED) || MSG_IS_MARKED(msginfo->flags)
1492                 && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1493                         procmsg_update_unread_children(msginfo, FALSE);
1494                 }
1495
1496         }
1497
1498         if (MSG_IS_IMAP(msginfo->flags))
1499                 imap_msg_set_perm_flags(msginfo, perm_flags);
1500
1501         msginfo->flags.perm_flags |= perm_flags;
1502         msginfo->flags.tmp_flags |= tmp_flags;
1503
1504         CHANGE_FLAGS(msginfo);
1505         procmsg_msginfo_write_flags(msginfo);
1506 }
1507
1508 void procmsg_msginfo_unset_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1509 {
1510         FolderItem *item;
1511
1512         g_return_if_fail(msginfo != NULL);
1513         item = msginfo->folder;
1514         g_return_if_fail(item != NULL);
1515
1516         debug_print("Unsetting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1517
1518         /* if new flag is unset */
1519         if ((perm_flags & MSG_NEW) && MSG_IS_NEW(msginfo->flags) &&
1520            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1521                 item->new--;
1522                 item->need_update = TRUE;
1523         }
1524
1525         /* if unread flag is unset */
1526         if ((perm_flags & MSG_UNREAD) && MSG_IS_UNREAD(msginfo->flags) &&
1527            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1528                 item->unread--;
1529                 item->need_update = TRUE;
1530         }
1531
1532         if (MSG_IS_UNREAD(msginfo->flags) && (perm_flags & MSG_UNREAD)
1533         && !MSG_IS_IGNORE_THREAD(msginfo->flags)
1534         && procmsg_msg_has_marked_parent(msginfo)) {
1535                 item->unreadmarked--;
1536                 item->need_update = TRUE;
1537         }
1538
1539         if (MSG_IS_MARKED(msginfo->flags) && (perm_flags & MSG_MARKED)
1540         && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1541                 procmsg_update_unread_children(msginfo, FALSE);
1542         }
1543
1544         /* if ignore thread flag is unset */
1545         if ((perm_flags & MSG_IGNORE_THREAD) && MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1546                 if (MSG_IS_NEW(msginfo->flags) && !(perm_flags & MSG_NEW)) {
1547                         item->new++;
1548                         item->need_update = TRUE;
1549                 }
1550                 if (MSG_IS_UNREAD(msginfo->flags) && !(perm_flags & MSG_UNREAD)) {
1551                         item->unread++;
1552                         item->need_update = TRUE;
1553                 }
1554                 if (MSG_IS_UNREAD(msginfo->flags) && !(perm_flags & MSG_UNREAD)
1555                 && procmsg_msg_has_marked_parent(msginfo)) {
1556                         item->unreadmarked++;
1557                         item->need_update = TRUE;
1558                 }
1559                 if (MSG_IS_MARKED(msginfo->flags) && !(perm_flags & MSG_MARKED)) {
1560                         procmsg_update_unread_children(msginfo, TRUE);
1561                 }
1562
1563         }
1564
1565         if (MSG_IS_IMAP(msginfo->flags))
1566                 imap_msg_unset_perm_flags(msginfo, perm_flags);
1567
1568         msginfo->flags.perm_flags &= ~perm_flags;
1569         msginfo->flags.tmp_flags &= ~tmp_flags;
1570
1571         CHANGE_FLAGS(msginfo);
1572         procmsg_msginfo_write_flags(msginfo);
1573 }
1574
1575 void procmsg_msginfo_write_flags(MsgInfo *msginfo)
1576 {
1577         gchar *destdir;
1578         FILE *fp;
1579
1580         destdir = folder_item_get_path(msginfo->folder);
1581         if (!is_dir_exist(destdir))
1582                 make_dir_hier(destdir);
1583
1584         if ((fp = procmsg_open_mark_file(destdir, TRUE))) {
1585                 procmsg_write_flags(msginfo, fp);
1586                 fclose(fp);
1587         } else {
1588                 g_warning(_("Can't open mark file.\n"));
1589         }
1590
1591         g_free(destdir);
1592 }
1593
1594 gboolean procmsg_msg_has_marked_parent  (MsgInfo *info)
1595 {
1596         MsgInfo *tmp;
1597         g_return_val_if_fail(info != NULL, FALSE);
1598         if (info != NULL && info->folder != NULL && info->inreplyto != NULL) {
1599                 tmp = folder_item_get_msginfo_by_msgid(info->folder, info->inreplyto);
1600                 if (tmp && MSG_IS_MARKED(tmp->flags)) {
1601                         procmsg_msginfo_free(tmp);
1602                         return TRUE;
1603                 } else if (tmp != NULL) {
1604                         gboolean result = procmsg_msg_has_marked_parent(tmp);
1605                         procmsg_msginfo_free(tmp);
1606                         return result;
1607                 } else {
1608                         return FALSE;
1609                 }
1610         } else
1611                 return FALSE;
1612 }
1613
1614 GSList *procmsg_find_children (MsgInfo *info)
1615 {
1616         GSList *children = NULL;
1617         GSList *all, *cur;
1618
1619         g_return_val_if_fail(info!=NULL, NULL);
1620         if (info->msgid == NULL)
1621                 return NULL;
1622         all = folder_item_get_msg_list(info->folder);
1623         for (cur = all; cur != NULL; cur = g_slist_next(cur)) {
1624                 MsgInfo *tmp = (MsgInfo *)cur->data;
1625                 if (tmp->inreplyto && !strcmp(tmp->inreplyto, info->msgid)) {
1626                         GSList *grand_children;
1627                         children = g_slist_prepend(children, tmp);
1628                         grand_children = procmsg_find_children(tmp);
1629                         children = slist_concat_unique(children, grand_children);
1630                         g_slist_free(grand_children);
1631                 }
1632                 if (tmp && tmp != info)
1633                         procmsg_msginfo_free(tmp);
1634         }
1635
1636         return children;
1637 }
1638
1639 static void procmsg_update_unread_children (MsgInfo *info, gboolean newly_marked)
1640 {
1641         GSList *children = procmsg_find_children(info);
1642         GSList *cur;
1643         for (cur = children; cur != NULL; cur = g_slist_next(cur)) {
1644                 MsgInfo *tmp = (MsgInfo *)cur->data;
1645                 if(MSG_IS_UNREAD(tmp->flags) && !MSG_IS_IGNORE_THREAD(tmp->flags)) {
1646                         if(newly_marked)
1647                                 info->folder->unreadmarked++;
1648                         else
1649                                 info->folder->unreadmarked--;
1650                         info->folder->need_update = TRUE;
1651                 }
1652                 procmsg_msginfo_free(tmp);
1653         }
1654 }
1655
1656 /*
1657  * callback handling
1658  */
1659 GSList *msginfo_update_callbacks_list = NULL;
1660 gint    msginfo_update_callbacks_nextid = 0;
1661
1662 struct MsgInfoUpdateCallback
1663 {
1664         gint                    id;
1665         MsgInfoUpdateFunc       func;
1666         gpointer                data;
1667 };
1668
1669 gint msginfo_update_callback_register(MsgInfoUpdateFunc func, gpointer data)
1670 {
1671         struct MsgInfoUpdateCallback *callback;
1672
1673         g_return_val_if_fail(func != NULL, -1);
1674
1675         msginfo_update_callbacks_nextid++;
1676
1677         callback = g_new0(struct MsgInfoUpdateCallback, 1);
1678         callback->id = msginfo_update_callbacks_nextid;
1679         callback->func = func;
1680         callback->data = data;
1681
1682         msginfo_update_callbacks_list =
1683                 g_slist_append(msginfo_update_callbacks_list, callback);
1684
1685         return msginfo_update_callbacks_nextid;
1686 }
1687
1688 void msginfo_update_callback_unregister(gint id)
1689 {
1690         GSList *list, *next;
1691
1692         for (list = msginfo_update_callbacks_list; list != NULL; list = next) {
1693                 struct MsgInfoUpdateCallback *callback;
1694
1695                 next = list->next;
1696
1697                 callback = list->data;
1698                 if (callback->id == id) {
1699                         msginfo_update_callbacks_list =
1700                                 g_slist_remove(msginfo_update_callbacks_list, callback);
1701                         g_free(callback);
1702                 }
1703         }
1704 }
1705
1706 static void msginfo_update_callback_execute(MsgInfo *info)
1707 {
1708         GSList *list;
1709
1710         for (list = msginfo_update_callbacks_list; list != NULL; list = list->next) {
1711                 struct MsgInfoUpdateCallback *callback;
1712
1713                 callback = list->data;
1714                 callback->func(info, callback->data);
1715         }
1716 }
1717
1718 void msginfo_update_item(MsgInfo *info)
1719 {
1720         msginfo_update_callback_execute(info);
1721 }