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
  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 #include "hooks.h"
  44
  45 typedef struct _FlagInfo        FlagInfo;
  46
  47 struct _FlagInfo
  48 {
  49         guint    msgnum;
  50         MsgFlags flags;
  51 };
  52
  53 static GHashTable *procmsg_read_mark_file       (const gchar    *folder);
  54 void   procmsg_msginfo_write_flags              (MsgInfo        *msginfo);
  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                 if (prefs_common.thread_by_subject) {
 580                         subject = msginfo->subject;
 581                         found_subject = subject_table_lookup(subject_table,
 582                                                              (gchar *) subject);
 583                         if (found_subject == NULL)
 584                                 subject_table_insert(subject_table, (gchar *) subject,
 585                                                      node);
 586                         else {
 587                                 /* replace if msg in table is older than current one
 588                                  * can add here more stuff. */
 589                                 if ( ((MsgInfo*)(found_subject->data))->date_t >
 590                                      ((MsgInfo*)(node->data))->date_t )  {
 591                                         subject_table_remove(subject_table, (gchar *) subject);
 592                                         subject_table_insert(subject_table, (gchar *) subject, node);
 593                                 }
 594                         }
 595                 }
 596         }
 597
 598         /* complete the unfinished threads */
 599         for (node = root->children; node != NULL; ) {
 600                 next = node->next;
 601                 msginfo = (MsgInfo *)node->data;
 602                 parent = NULL;
 603                 if (msginfo->inreplyto)
 604                         parent = g_hash_table_lookup(msgid_table, msginfo->inreplyto);
 605                 if (parent && parent != node) {
 606                         g_node_unlink(node);
 607                         g_node_insert_before
 608                                 (parent, parent->children, node);
 609                         /* CLAWS: ignore thread */
 610                         if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 611                                 g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 612                         }
 613                 }
 614                 node = next;
 615         }
 616
 617         /* CLAWS: now see if the first level (below root) still has some nodes that can be
 618          * threaded by subject line. we need to handle this in a special way to prevent
 619          * circular reference from a node that has already been threaded by IN-REPLY-TO
 620          * but is also in the subject line hash table */
 621         if (prefs_common.thread_by_subject) {
 622                 for (node = root->children; node != NULL; ) {
 623                         next = node->next;
 624                         msginfo = (MsgInfo *) node->data;
 625                         parent = NULL;
 626                         if (subject_is_reply(msginfo->subject)) {
 627                                 parent = subject_table_lookup(subject_table,
 628                                                               msginfo->subject);
 629                                 /* the node may already be threaded by IN-REPLY-TO,
 630                                    so go up in the tree to find the parent node */
 631                                 if (parent != NULL) {
 632                                         if (g_node_is_ancestor(node, parent))
 633                                                 parent = NULL;
 634                                         if (parent == node)
 635                                                 parent = NULL;
 636                                 }
 637
 638                                 if (parent) {
 639                                         g_node_unlink(node);
 640                                         g_node_append(parent, node);
 641                                         /* CLAWS: ignore thread */
 642                                         if (MSG_IS_IGNORE_THREAD(((MsgInfo *)parent->data)->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
 643                                                 g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, procmsg_ignore_node, NULL);
 644                                         }
 645                                 }
 646                         }
 647                         node = next;
 648                 }
 649         }
 650
 651         g_hash_table_destroy(subject_table);
 652         g_hash_table_destroy(msgid_table);
 653
 654         return root;
 655 }
 656
 657 void procmsg_move_messages(GSList *mlist)
 658 {
 659         GSList *cur, *movelist = NULL;
 660         MsgInfo *msginfo;
 661         FolderItem *dest = NULL;
 662
 663         if (!mlist) return;
 664
 665         folder_item_update_freeze();
 666
 667         for (cur = mlist; cur != NULL; cur = cur->next) {
 668                 msginfo = (MsgInfo *)cur->data;
 669                 if (!dest) {
 670                         dest = msginfo->to_folder;
 671                         movelist = g_slist_append(movelist, msginfo);
 672                 } else if (dest == msginfo->to_folder) {
 673                         movelist = g_slist_append(movelist, msginfo);
 674                 } else {
 675                         folder_item_move_msgs_with_dest(dest, movelist);
 676                         g_slist_free(movelist);
 677                         movelist = NULL;
 678                         dest = msginfo->to_folder;
 679                         movelist = g_slist_append(movelist, msginfo);
 680                 }
 681                 procmsg_msginfo_set_to_folder(msginfo, NULL);
 682         }
 683
 684         if (movelist) {
 685                 folder_item_move_msgs_with_dest(dest, movelist);
 686                 g_slist_free(movelist);
 687         }
 688
 689         folder_item_update_thaw();
 690 }
 691
 692 void procmsg_copy_messages(GSList *mlist)
 693 {
 694         GSList *cur, *copylist = NULL;
 695         MsgInfo *msginfo;
 696         FolderItem *dest = NULL;
 697
 698         if (!mlist) return;
 699
 700         folder_item_update_freeze();
 701
 702         for (cur = mlist; cur != NULL; cur = cur->next) {
 703                 msginfo = (MsgInfo *)cur->data;
 704                 if (!dest) {
 705                         dest = msginfo->to_folder;
 706                         copylist = g_slist_append(copylist, msginfo);
 707                 } else if (dest == msginfo->to_folder) {
 708                         copylist = g_slist_append(copylist, msginfo);
 709                 } else {
 710                         folder_item_copy_msgs_with_dest(dest, copylist);
 711                         g_slist_free(copylist);
 712                         copylist = NULL;
 713                         dest = msginfo->to_folder;
 714                         copylist = g_slist_append(copylist, msginfo);
 715                 }
 716                 procmsg_msginfo_set_to_folder(msginfo, NULL);
 717         }
 718
 719         if (copylist) {
 720                 folder_item_copy_msgs_with_dest(dest, copylist);
 721                 g_slist_free(copylist);
 722         }
 723
 724         folder_item_update_thaw();
 725 }
 726
 727 gchar *procmsg_get_message_file_path(MsgInfo *msginfo)
 728 {
 729         gchar *path, *file;
 730
 731         g_return_val_if_fail(msginfo != NULL, NULL);
 732
 733         if (msginfo->plaintext_file)
 734                 file = g_strdup(msginfo->plaintext_file);
 735         else {
 736                 path = folder_item_get_path(msginfo->folder);
 737                 file = g_strconcat(path, G_DIR_SEPARATOR_S,
 738                                    itos(msginfo->msgnum), NULL);
 739                 g_free(path);
 740         }
 741
 742         return file;
 743 }
 744
 745 gchar *procmsg_get_message_file(MsgInfo *msginfo)
 746 {
 747         gchar *filename = NULL;
 748
 749         g_return_val_if_fail(msginfo != NULL, NULL);
 750
 751         filename = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
 752         if (!filename)
 753                 g_warning("can't fetch message %d\n", msginfo->msgnum);
 754
 755         return filename;
 756 }
 757
 758 FILE *procmsg_open_message(MsgInfo *msginfo)
 759 {
 760         FILE *fp;
 761         gchar *file;
 762
 763         g_return_val_if_fail(msginfo != NULL, NULL);
 764
 765         file = procmsg_get_message_file_path(msginfo);
 766         g_return_val_if_fail(file != NULL, NULL);
 767
 768         if (!is_file_exist(file)) {
 769                 g_free(file);
 770                 file = procmsg_get_message_file(msginfo);
 771                 g_return_val_if_fail(file != NULL, NULL);
 772         }
 773
 774         if ((fp = fopen(file, "rb")) == NULL) {
 775                 FILE_OP_ERROR(file, "fopen");
 776                 g_free(file);
 777                 return NULL;
 778         }
 779
 780         g_free(file);
 781
 782         if (MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags)) {
 783                 gchar buf[BUFFSIZE];
 784
 785                 while (fgets(buf, sizeof(buf), fp) != NULL)
 786                         if (buf[0] == '\r' || buf[0] == '\n') break;
 787         }
 788
 789         return fp;
 790 }
 791
 792 #if USE_GPGME
 793 FILE *procmsg_open_message_decrypted(MsgInfo *msginfo, MimeInfo **mimeinfo)
 794 {
 795         FILE *fp;
 796         MimeInfo *mimeinfo_;
 797
 798         g_return_val_if_fail(msginfo != NULL, NULL);
 799
 800         if (mimeinfo) *mimeinfo = NULL;
 801
 802         if ((fp = procmsg_open_message(msginfo)) == NULL) return NULL;
 803
 804         mimeinfo_ = procmime_scan_mime_header(fp);
 805         if (!mimeinfo_) {
 806                 fclose(fp);
 807                 return NULL;
 808         }
 809
 810         if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 811             rfc2015_is_encrypted(mimeinfo_)) {
 812                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 813         }
 814
 815         if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 816             (!msginfo->plaintext_file || msginfo->decryption_failed)) {
 817                 rfc2015_decrypt_message(msginfo, mimeinfo_, fp);
 818                 if (msginfo->plaintext_file &&
 819                     !msginfo->decryption_failed) {
 820                         fclose(fp);
 821                         procmime_mimeinfo_free_all(mimeinfo_);
 822                         if ((fp = procmsg_open_message(msginfo)) == NULL)
 823                                 return NULL;
 824                         mimeinfo_ = procmime_scan_mime_header(fp);
 825                         if (!mimeinfo_) {
 826                                 fclose(fp);
 827                                 return NULL;
 828                         }
 829                 }
 830         }
 831
 832         if (mimeinfo) *mimeinfo = mimeinfo_;
 833         return fp;
 834 }
 835 #endif
 836
 837 gboolean procmsg_msg_exist(MsgInfo *msginfo)
 838 {
 839         gchar *path;
 840         gboolean ret;
 841
 842         if (!msginfo) return FALSE;
 843
 844         path = folder_item_get_path(msginfo->folder);
 845         change_dir(path);
 846         ret = !folder_item_is_msg_changed(msginfo->folder, msginfo);
 847         g_free(path);
 848
 849         return ret;
 850 }
 851
 852 void procmsg_empty_trash(void)
 853 {
 854         FolderItem *trash;
 855         GList *cur;
 856
 857         for (cur = folder_get_list(); cur != NULL; cur = cur->next) {
 858                 trash = FOLDER(cur->data)->trash;
 859                 if (trash && trash->total > 0)
 860                         folder_item_remove_all_msg(trash);
 861         }
 862 }
 863
 864 gint procmsg_send_queue(FolderItem *queue, gboolean save_msgs)
 865 {
 866         gint ret = 0;
 867         GSList *list, *elem;
 868
 869         if (!queue)
 870                 queue = folder_get_default_queue();
 871         g_return_val_if_fail(queue != NULL, -1);
 872
 873         folder_item_scan(queue);
 874         list = folder_item_get_msg_list(queue);
 875
 876
 877         for (elem = list; elem != NULL; elem = elem->next) {
 878                 gchar *file;
 879                 MsgInfo *msginfo;
 880
 881                 msginfo = (MsgInfo *)(elem->data);
 882
 883                 file = folder_item_fetch_msg(queue, msginfo->msgnum);
 884                 if (file) {
 885                         if (procmsg_send_message_queue(file) < 0) {
 886                                 g_warning("Sending queued message %d failed.\n", msginfo->msgnum);
 887                                 ret = -1;
 888                         } else {
 889                         /* CLAWS:
 890                          * We save in procmsg_send_message_queue because
 891                          * we need the destination folder from the queue
 892                          * header
 893
 894                                 if (save_msgs)
 895                                         procmsg_save_to_outbox
 896                                                 (queue->folder->outbox,
 897                                                  file, TRUE);
 898 */
 899                                 folder_item_remove_msg(queue, msginfo->msgnum);
 900                         }
 901                         g_free(file);
 902                 }
 903                 procmsg_msginfo_free(msginfo);
 904         }
 905
 906         return ret;
 907 }
 908
 909 gint procmsg_remove_special_headers(const gchar *in, const gchar *out)
 910 {
 911         FILE *fp, *outfp;
 912         gchar buf[BUFFSIZE];
 913
 914         if ((fp = fopen(in, "rb")) == NULL) {
 915                 FILE_OP_ERROR(in, "fopen");
 916                 return -1;
 917         }
 918         if ((outfp = fopen(out, "wb")) == NULL) {
 919                 FILE_OP_ERROR(out, "fopen");
 920                 fclose(fp);
 921                 return -1;
 922         }
 923         while (fgets(buf, sizeof(buf), fp) != NULL)
 924                 if (buf[0] == '\r' || buf[0] == '\n') break;
 925         while (fgets(buf, sizeof(buf), fp) != NULL)
 926                 fputs(buf, outfp);
 927         fclose(outfp);
 928         fclose(fp);
 929         return 0;
 930
 931 }
 932 gint procmsg_save_to_outbox(FolderItem *outbox, const gchar *file,
 933                             gboolean is_queued)
 934 {
 935         gint num;
 936         MsgInfo *msginfo;
 937
 938         debug_print("saving sent message...\n");
 939
 940         if (!outbox)
 941                 outbox = folder_get_default_outbox();
 942         g_return_val_if_fail(outbox != NULL, -1);
 943
 944         /* remove queueing headers */
 945         if (is_queued) {
 946                 gchar tmp[MAXPATHLEN + 1];
 947
 948                 g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg.out.%08x",
 949                            get_rc_dir(), G_DIR_SEPARATOR, (guint)random());
 950
 951                 if (procmsg_remove_special_headers(file, tmp) !=0)
 952                         return -1;
 953
 954                 folder_item_scan(outbox);
 955                 if ((num = folder_item_add_msg(outbox, tmp, TRUE)) < 0) {
 956                         g_warning("can't save message\n");
 957                         unlink(tmp);
 958                         return -1;
 959                 }
 960         } else {
 961                 folder_item_scan(outbox);
 962                 if ((num = folder_item_add_msg(outbox, file, FALSE)) < 0) {
 963                         g_warning("can't save message\n");
 964                         return -1;
 965                 }
 966                 return -1;
 967         }
 968         msginfo = folder_item_get_msginfo(outbox, num);
 969         if (msginfo != NULL) {
 970             procmsg_msginfo_unset_flags(msginfo, ~0, 0);
 971             procmsg_msginfo_free(msginfo);
 972         }
 973         folder_item_update(outbox, TRUE);
 974
 975         return 0;
 976 }
 977
 978 void procmsg_print_message(MsgInfo *msginfo, const gchar *cmdline)
 979 {
 980         static const gchar *def_cmd = "lpr %s";
 981         static guint id = 0;
 982         gchar *prtmp;
 983         FILE *tmpfp, *prfp;
 984         gchar buf[1024];
 985         gchar *p;
 986
 987         g_return_if_fail(msginfo);
 988
 989         if ((tmpfp = procmime_get_first_text_content(msginfo)) == NULL) {
 990                 g_warning("Can't get text part\n");
 991                 return;
 992         }
 993
 994         prtmp = g_strdup_printf("%s%cprinttmp.%08x",
 995                                 get_mime_tmp_dir(), G_DIR_SEPARATOR, id++);
 996
 997         if ((prfp = fopen(prtmp, "wb")) == NULL) {
 998                 FILE_OP_ERROR(prtmp, "fopen");
 999                 g_free(prtmp);
1000                 fclose(tmpfp);
1001                 return;
1002         }
1003
1004         if (msginfo->date) fprintf(prfp, "Date: %s\n", msginfo->date);
1005         if (msginfo->from) fprintf(prfp, "From: %s\n", msginfo->from);
1006         if (msginfo->to)   fprintf(prfp, "To: %s\n", msginfo->to);
1007         if (msginfo->cc)   fprintf(prfp, "Cc: %s\n", msginfo->cc);
1008         if (msginfo->newsgroups)
1009                 fprintf(prfp, "Newsgroups: %s\n", msginfo->newsgroups);
1010         if (msginfo->subject) fprintf(prfp, "Subject: %s\n", msginfo->subject);
1011         fputc('\n', prfp);
1012
1013         while (fgets(buf, sizeof(buf), tmpfp) != NULL)
1014                 fputs(buf, prfp);
1015
1016         fclose(prfp);
1017         fclose(tmpfp);
1018
1019         if (cmdline && (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
1020             !strchr(p + 2, '%'))
1021                 g_snprintf(buf, sizeof(buf) - 1, cmdline, prtmp);
1022         else {
1023                 if (cmdline)
1024                         g_warning("Print command line is invalid: `%s'\n",
1025                                   cmdline);
1026                 g_snprintf(buf, sizeof(buf) - 1, def_cmd, prtmp);
1027         }
1028
1029         g_free(prtmp);
1030
1031         g_strchomp(buf);
1032         if (buf[strlen(buf) - 1] != '&') strcat(buf, "&");
1033         system(buf);
1034 }
1035
1036 MsgInfo *procmsg_msginfo_new_ref(MsgInfo *msginfo)
1037 {
1038         msginfo->refcnt++;
1039
1040         return msginfo;
1041 }
1042
1043 MsgInfo *procmsg_msginfo_new()
1044 {
1045         MsgInfo *newmsginfo;
1046
1047         newmsginfo = g_new0(MsgInfo, 1);
1048         newmsginfo->refcnt = 1;
1049
1050         return newmsginfo;
1051 }
1052
1053 MsgInfo *procmsg_msginfo_copy(MsgInfo *msginfo)
1054 {
1055         MsgInfo *newmsginfo;
1056
1057         if (msginfo == NULL) return NULL;
1058
1059         newmsginfo = g_new0(MsgInfo, 1);
1060
1061         newmsginfo->refcnt = 1;
1062
1063 #define MEMBCOPY(mmb)   newmsginfo->mmb = msginfo->mmb
1064 #define MEMBDUP(mmb)    newmsginfo->mmb = msginfo->mmb ? \
1065                         g_strdup(msginfo->mmb) : NULL
1066
1067         MEMBCOPY(msgnum);
1068         MEMBCOPY(size);
1069         MEMBCOPY(mtime);
1070         MEMBCOPY(date_t);
1071         MEMBCOPY(flags);
1072
1073         MEMBDUP(fromname);
1074
1075         MEMBDUP(date);
1076         MEMBDUP(from);
1077         MEMBDUP(to);
1078         MEMBDUP(cc);
1079         MEMBDUP(newsgroups);
1080         MEMBDUP(subject);
1081         MEMBDUP(msgid);
1082         MEMBDUP(inreplyto);
1083         MEMBDUP(xref);
1084
1085         MEMBCOPY(folder);
1086         MEMBCOPY(to_folder);
1087
1088         MEMBDUP(xface);
1089         MEMBDUP(dispositionnotificationto);
1090         MEMBDUP(returnreceiptto);
1091         MEMBDUP(references);
1092
1093         MEMBCOPY(score);
1094         MEMBCOPY(threadscore);
1095
1096         return newmsginfo;
1097 }
1098
1099 MsgInfo *procmsg_msginfo_get_full_info(MsgInfo *msginfo)
1100 {
1101         MsgInfo *full_msginfo;
1102         gchar *file;
1103
1104         if (msginfo == NULL) return NULL;
1105
1106         file = procmsg_get_message_file(msginfo);
1107         if (!file) {
1108                 g_warning("procmsg_msginfo_get_full_info(): can't get message file.\n");
1109                 return NULL;
1110         }
1111
1112         full_msginfo = procheader_parse_file(file, msginfo->flags, TRUE, FALSE);
1113         g_free(file);
1114         if (!full_msginfo) return NULL;
1115
1116         full_msginfo->msgnum = msginfo->msgnum;
1117         full_msginfo->size = msginfo->size;
1118         full_msginfo->mtime = msginfo->mtime;
1119         full_msginfo->folder = msginfo->folder;
1120 #if USE_GPGME
1121         full_msginfo->plaintext_file = g_strdup(msginfo->plaintext_file);
1122         full_msginfo->decryption_failed = msginfo->decryption_failed;
1123 #endif
1124         procmsg_msginfo_set_to_folder(full_msginfo, msginfo->to_folder);
1125
1126         return full_msginfo;
1127 }
1128
1129 void procmsg_msginfo_free(MsgInfo *msginfo)
1130 {
1131         if (msginfo == NULL) return;
1132
1133         msginfo->refcnt--;
1134         if (msginfo->refcnt > 0)
1135                 return;
1136
1137         debug_print("freeing msginfo %d is %s\n", msginfo->msgnum, msginfo->folder ? msginfo->folder->path : "(nil)");
1138
1139         if (msginfo->to_folder) {
1140                 msginfo->to_folder->op_count--;
1141                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
1142         }
1143
1144         g_free(msginfo->fromspace);
1145         g_free(msginfo->references);
1146         g_free(msginfo->returnreceiptto);
1147         g_free(msginfo->dispositionnotificationto);
1148         g_free(msginfo->xface);
1149
1150         g_free(msginfo->fromname);
1151
1152         g_free(msginfo->date);
1153         g_free(msginfo->from);
1154         g_free(msginfo->to);
1155         g_free(msginfo->cc);
1156         g_free(msginfo->newsgroups);
1157         g_free(msginfo->subject);
1158         g_free(msginfo->msgid);
1159         g_free(msginfo->inreplyto);
1160         g_free(msginfo->xref);
1161
1162         g_free(msginfo);
1163 }
1164
1165 guint procmsg_msginfo_memusage(MsgInfo *msginfo)
1166 {
1167         guint memusage = 0;
1168
1169         memusage += sizeof(MsgInfo);
1170         if (msginfo->fromname)
1171                 memusage += strlen(msginfo->fromname);
1172         if (msginfo->date)
1173                 memusage += strlen(msginfo->date);
1174         if (msginfo->from)
1175                 memusage += strlen(msginfo->from);
1176         if (msginfo->to)
1177                 memusage += strlen(msginfo->to);
1178         if (msginfo->cc)
1179                 memusage += strlen(msginfo->cc);
1180         if (msginfo->newsgroups)
1181                 memusage += strlen(msginfo->newsgroups);
1182         if (msginfo->subject)
1183                 memusage += strlen(msginfo->subject);
1184         if (msginfo->msgid)
1185                 memusage += strlen(msginfo->msgid);
1186         if (msginfo->inreplyto)
1187                 memusage += strlen(msginfo->inreplyto);
1188         if (msginfo->xface)
1189                 memusage += strlen(msginfo->xface);
1190         if (msginfo->dispositionnotificationto)
1191                 memusage += strlen(msginfo->dispositionnotificationto);
1192         if (msginfo->returnreceiptto)
1193                 memusage += strlen(msginfo->returnreceiptto);
1194         if (msginfo->references)
1195                 memusage += strlen(msginfo->references);
1196         if (msginfo->fromspace)
1197                 memusage += strlen(msginfo->fromspace);
1198
1199         return memusage;
1200 }
1201
1202 gint procmsg_cmp_msgnum_for_sort(gconstpointer a, gconstpointer b)
1203 {
1204         const MsgInfo *msginfo1 = a;
1205         const MsgInfo *msginfo2 = b;
1206
1207         if (!msginfo1)
1208                 return -1;
1209         if (!msginfo2)
1210                 return -1;
1211
1212         return msginfo1->msgnum - msginfo2->msgnum;
1213 }
1214
1215 enum
1216 {
1217         Q_SENDER           = 0,
1218         Q_SMTPSERVER       = 1,
1219         Q_RECIPIENTS       = 2,
1220         Q_NEWSGROUPS       = 3,
1221         Q_MAIL_ACCOUNT_ID  = 4,
1222         Q_NEWS_ACCOUNT_ID  = 5,
1223         Q_SAVE_COPY_FOLDER = 6,
1224         Q_REPLY_MESSAGE_ID = 7,
1225         Q_FWD_MESSAGE_ID   = 8
1226 };
1227
1228 gint procmsg_send_message_queue(const gchar *file)
1229 {
1230         static HeaderEntry qentry[] = {{"S:",    NULL, FALSE},
1231                                        {"SSV:",  NULL, FALSE},
1232                                        {"R:",    NULL, FALSE},
1233                                        {"NG:",   NULL, FALSE},
1234                                        {"MAID:", NULL, FALSE},
1235                                        {"NAID:", NULL, FALSE},
1236                                        {"SCF:",  NULL, FALSE},
1237                                        {"RMID:", NULL, FALSE},
1238                                        {"FMID:", NULL, FALSE},
1239                                        {NULL,    NULL, FALSE}};
1240         FILE *fp;
1241         gint filepos;
1242         gint mailval = 0, newsval = 0;
1243         gchar *from = NULL;
1244         gchar *smtpserver = NULL;
1245         GSList *to_list = NULL;
1246         GSList *newsgroup_list = NULL;
1247         gchar *savecopyfolder = NULL;
1248         gchar *replymessageid = NULL;
1249         gchar *fwdmessageid = NULL;
1250         gchar buf[BUFFSIZE];
1251         gint hnum;
1252         PrefsAccount *mailac = NULL, *newsac = NULL;
1253         int local = 0;
1254
1255         g_return_val_if_fail(file != NULL, -1);
1256
1257         if ((fp = fopen(file, "rb")) == NULL) {
1258                 FILE_OP_ERROR(file, "fopen");
1259                 return -1;
1260         }
1261
1262         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
1263                != -1) {
1264                 gchar *p = buf + strlen(qentry[hnum].name);
1265
1266                 switch (hnum) {
1267                 case Q_SENDER:
1268                         if (!from) from = g_strdup(p);
1269                         break;
1270                 case Q_SMTPSERVER:
1271                         if (!smtpserver) smtpserver = g_strdup(p);
1272                         break;
1273                 case Q_RECIPIENTS:
1274                         to_list = address_list_append(to_list, p);
1275                         break;
1276                 case Q_NEWSGROUPS:
1277                         newsgroup_list = newsgroup_list_append(newsgroup_list, p);
1278                         break;
1279                 case Q_MAIL_ACCOUNT_ID:
1280                         mailac = account_find_from_id(atoi(p));
1281                         break;
1282                 case Q_NEWS_ACCOUNT_ID:
1283                         newsac = account_find_from_id(atoi(p));
1284                         break;
1285                 case Q_SAVE_COPY_FOLDER:
1286                         if (!savecopyfolder) savecopyfolder = g_strdup(p);
1287                         break;
1288                 case Q_REPLY_MESSAGE_ID:
1289                         if (!replymessageid) replymessageid = g_strdup(p);
1290                         break;
1291                 case Q_FWD_MESSAGE_ID:
1292                         if (!fwdmessageid) fwdmessageid = g_strdup(p);
1293                         break;
1294                 }
1295         }
1296         filepos = ftell(fp);
1297
1298         if (to_list) {
1299                 debug_print("Sending message by mail\n");
1300                 if (!from) {
1301                         g_warning("Queued message header is broken.\n");
1302                         mailval = -1;
1303                 } else if (mailac && mailac->use_mail_command &&
1304                            mailac->mail_command && (* mailac->mail_command)) {
1305                         mailval = send_message_local(mailac->mail_command, fp);
1306                         local = 1;
1307                 } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
1308                         mailval = send_message_local(prefs_common.extsend_cmd, fp);
1309                         local = 1;
1310                 } else {
1311                         if (!mailac) {
1312                                 mailac = account_find_from_smtp_server(from, smtpserver);
1313                                 if (!mailac) {
1314                                         g_warning("Account not found. "
1315                                                     "Using current account...\n");
1316                                         mailac = cur_account;
1317                                 }
1318                         }
1319
1320                         if (mailac)
1321                                 mailval = send_message_smtp(mailac, to_list, fp);
1322                         else {
1323                                 PrefsAccount tmp_ac;
1324
1325                                 g_warning("Account not found.\n");
1326
1327                                 memset(&tmp_ac, 0, sizeof(PrefsAccount));
1328                                 tmp_ac.address = from;
1329                                 tmp_ac.smtp_server = smtpserver;
1330                                 tmp_ac.smtpport = SMTP_PORT;
1331                                 mailval = send_message_smtp(&tmp_ac, to_list, fp);
1332                         }
1333                 }
1334                 if (mailval < 0) {
1335                         if (!local)
1336                                 alertpanel_error_log(
1337                                         _("Error occurred while sending the message to `%s'."),
1338                                         mailac ? mailac->smtp_server : smtpserver);
1339                         else
1340                                 alertpanel_error_log(
1341                                         _("Error occurred while sending the message with command `%s'."),
1342                                         (mailac && mailac->use_mail_command &&
1343                                          mailac->mail_command && (*mailac->mail_command)) ?
1344                                                 mailac->mail_command : prefs_common.extsend_cmd);
1345                 }
1346         }
1347
1348         fseek(fp, filepos, SEEK_SET);
1349         if (newsgroup_list && (newsval == 0)) {
1350                 Folder *folder;
1351                 gchar *tmp = NULL;
1352                 FILE *tmpfp;
1353
1354                 /* write to temporary file */
1355                 tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
1356                             G_DIR_SEPARATOR, (gint)file);
1357                 if ((tmpfp = fopen(tmp, "wb")) == NULL) {
1358                         FILE_OP_ERROR(tmp, "fopen");
1359                         newsval = -1;
1360                         alertpanel_error(_("Could not create temporary file for news sending."));
1361                 } else {
1362                         if (change_file_mode_rw(tmpfp, tmp) < 0) {
1363                                 FILE_OP_ERROR(tmp, "chmod");
1364                                 g_warning("can't change file mode\n");
1365                         }
1366
1367                         while ((newsval == 0) && fgets(buf, sizeof(buf), fp) != NULL) {
1368                                 if (fputs(buf, tmpfp) == EOF) {
1369                                         FILE_OP_ERROR(tmp, "fputs");
1370                                         newsval = -1;
1371                                         alertpanel_error(_("Error when writing temporary file for news sending."));
1372                                 }
1373                         }
1374                         fclose(tmpfp);
1375
1376                         if (newsval == 0) {
1377                                 debug_print("Sending message by news\n");
1378
1379                                 folder = FOLDER(newsac->folder);
1380
1381                                 newsval = news_post(folder, tmp);
1382                                 if (newsval < 0) {
1383                                         alertpanel_error(_("Error occurred while posting the message to %s ."),
1384                                                  newsac->nntp_server);
1385                                 }
1386                         }
1387                         unlink(tmp);
1388                 }
1389                 g_free(tmp);
1390         }
1391
1392         slist_free_strings(to_list);
1393         g_slist_free(to_list);
1394         slist_free_strings(newsgroup_list);
1395         g_slist_free(newsgroup_list);
1396         g_free(from);
1397         g_free(smtpserver);
1398         fclose(fp);
1399
1400         /* save message to outbox */
1401         if (mailval == 0 && newsval == 0 && savecopyfolder) {
1402                 FolderItem *outbox;
1403
1404                 debug_print("saving sent message...\n");
1405
1406                 outbox = folder_find_item_from_identifier(savecopyfolder);
1407                 if (!outbox)
1408                         outbox = folder_get_default_outbox();
1409
1410                 procmsg_save_to_outbox(outbox, file, TRUE);
1411         }
1412
1413         if (replymessageid != NULL || fwdmessageid != NULL) {
1414                 gchar **tokens;
1415                 FolderItem *item;
1416
1417                 if (replymessageid != NULL)
1418                         tokens = g_strsplit(replymessageid, "\x7f", 0);
1419                 else
1420                         tokens = g_strsplit(fwdmessageid, "\x7f", 0);
1421                 item = folder_find_item_from_identifier(tokens[0]);
1422                 if (item != NULL) {
1423                         MsgInfo *msginfo;
1424
1425                         msginfo = folder_item_get_msginfo(item, atoi(tokens[1]));
1426                         if ((msginfo != NULL) && (strcmp(msginfo->msgid, tokens[2]) != 0)) {
1427                                 procmsg_msginfo_free(msginfo);
1428                                 msginfo = NULL;
1429                         }
1430
1431                         if (msginfo == NULL) {
1432                                 msginfo = folder_item_get_msginfo_by_msgid(item, tokens[2]);
1433                         }
1434
1435                         if (msginfo != NULL) {
1436                                 if (replymessageid != NULL) {
1437                                         procmsg_msginfo_unset_flags(msginfo, MSG_FORWARDED, 0);
1438                                         procmsg_msginfo_set_flags(msginfo, MSG_REPLIED, 0);
1439                                 }
1440                                 else {
1441                                         procmsg_msginfo_unset_flags(msginfo, MSG_REPLIED, 0);
1442                                         procmsg_msginfo_set_flags(msginfo, MSG_FORWARDED, 0);
1443                                 }
1444                                 procmsg_msginfo_free(msginfo);
1445                         }
1446                 }
1447                 g_strfreev(tokens);
1448         }
1449
1450         g_free(savecopyfolder);
1451         g_free(replymessageid);
1452         g_free(fwdmessageid);
1453
1454         return (newsval != 0 ? newsval : mailval);
1455 }
1456
1457 #define CHANGE_FLAGS(msginfo) \
1458 { \
1459 if (msginfo->folder->folder->change_flags != NULL) \
1460 msginfo->folder->folder->change_flags(msginfo->folder->folder, \
1461                                       msginfo->folder, \
1462                                       msginfo); \
1463 }
1464
1465 void procmsg_msginfo_set_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1466 {
1467         FolderItem *item;
1468         MsgInfoUpdate msginfo_update;
1469
1470         g_return_if_fail(msginfo != NULL);
1471         item = msginfo->folder;
1472         g_return_if_fail(item != NULL);
1473
1474         debug_print("Setting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1475
1476         /* if new flag is set */
1477         if ((perm_flags & MSG_NEW) && !MSG_IS_NEW(msginfo->flags) &&
1478            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1479                 item->new++;
1480         }
1481
1482         /* if unread flag is set */
1483         if ((perm_flags & MSG_UNREAD) && !MSG_IS_UNREAD(msginfo->flags) &&
1484            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1485                 item->unread++;
1486         }
1487
1488         if (!MSG_IS_UNREAD(msginfo->flags) &&(perm_flags & MSG_UNREAD)
1489         && procmsg_msg_has_marked_parent(msginfo)) {
1490                 item->unreadmarked++;
1491         }
1492
1493         if (!MSG_IS_MARKED(msginfo->flags) && (perm_flags & MSG_MARKED)) {
1494                 procmsg_update_unread_children(msginfo, TRUE);
1495         }
1496
1497
1498         /* if ignore thread flag is set */
1499         if ((perm_flags & MSG_IGNORE_THREAD) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1500                 if (MSG_IS_NEW(msginfo->flags) || (perm_flags & MSG_NEW)) {
1501                         item->new--;
1502                 }
1503                 if (MSG_IS_UNREAD(msginfo->flags) || (perm_flags & MSG_UNREAD)) {
1504                         item->unread--;
1505                 }
1506                 if ((perm_flags & MSG_UNREAD) || (MSG_IS_UNREAD(msginfo->flags)
1507                 && procmsg_msg_has_marked_parent(msginfo))) {
1508                         item->unreadmarked--;
1509                 }
1510                 if ((perm_flags & MSG_MARKED) || (MSG_IS_MARKED(msginfo->flags)
1511                 && !MSG_IS_IGNORE_THREAD(msginfo->flags))) {
1512                         procmsg_update_unread_children(msginfo, FALSE);
1513                 }
1514
1515         }
1516
1517         if (MSG_IS_IMAP(msginfo->flags))
1518                 imap_msg_set_perm_flags(msginfo, perm_flags);
1519
1520         msginfo->flags.perm_flags |= perm_flags;
1521         msginfo->flags.tmp_flags |= tmp_flags;
1522
1523         msginfo_update.msginfo = msginfo;
1524         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
1525         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT);
1526
1527         CHANGE_FLAGS(msginfo);
1528         procmsg_msginfo_write_flags(msginfo);
1529 }
1530
1531 void procmsg_msginfo_unset_flags(MsgInfo *msginfo, MsgPermFlags perm_flags, MsgTmpFlags tmp_flags)
1532 {
1533         FolderItem *item;
1534         MsgInfoUpdate msginfo_update;
1535
1536         g_return_if_fail(msginfo != NULL);
1537         item = msginfo->folder;
1538         g_return_if_fail(item != NULL);
1539
1540         debug_print("Unsetting flags for message %d in folder %s\n", msginfo->msgnum, item->path);
1541
1542         /* if new flag is unset */
1543         if ((perm_flags & MSG_NEW) && MSG_IS_NEW(msginfo->flags) &&
1544            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1545                 item->new--;
1546         }
1547
1548         /* if unread flag is unset */
1549         if ((perm_flags & MSG_UNREAD) && MSG_IS_UNREAD(msginfo->flags) &&
1550            !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1551                 item->unread--;
1552         }
1553
1554         if (MSG_IS_UNREAD(msginfo->flags) && (perm_flags & MSG_UNREAD)
1555         && !MSG_IS_IGNORE_THREAD(msginfo->flags)
1556         && procmsg_msg_has_marked_parent(msginfo)) {
1557                 item->unreadmarked--;
1558         }
1559
1560         if (MSG_IS_MARKED(msginfo->flags) && (perm_flags & MSG_MARKED)
1561         && !MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1562                 procmsg_update_unread_children(msginfo, FALSE);
1563         }
1564
1565         /* if ignore thread flag is unset */
1566         if ((perm_flags & MSG_IGNORE_THREAD) && MSG_IS_IGNORE_THREAD(msginfo->flags)) {
1567                 if (MSG_IS_NEW(msginfo->flags) && !(perm_flags & MSG_NEW)) {
1568                         item->new++;
1569                 }
1570                 if (MSG_IS_UNREAD(msginfo->flags) && !(perm_flags & MSG_UNREAD)) {
1571                         item->unread++;
1572                 }
1573                 if (MSG_IS_UNREAD(msginfo->flags) && !(perm_flags & MSG_UNREAD)
1574                 && procmsg_msg_has_marked_parent(msginfo)) {
1575                         item->unreadmarked++;
1576                 }
1577                 if (MSG_IS_MARKED(msginfo->flags) && !(perm_flags & MSG_MARKED)) {
1578                         procmsg_update_unread_children(msginfo, TRUE);
1579                 }
1580
1581         }
1582
1583         if (MSG_IS_IMAP(msginfo->flags))
1584                 imap_msg_unset_perm_flags(msginfo, perm_flags);
1585
1586         msginfo->flags.perm_flags &= ~perm_flags;
1587         msginfo->flags.tmp_flags &= ~tmp_flags;
1588
1589         msginfo_update.msginfo = msginfo;
1590         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
1591         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT);
1592
1593         CHANGE_FLAGS(msginfo);
1594         procmsg_msginfo_write_flags(msginfo);
1595 }
1596
1597 void procmsg_msginfo_write_flags(MsgInfo *msginfo)
1598 {
1599         gchar *destdir;
1600         FILE *fp;
1601
1602         destdir = folder_item_get_path(msginfo->folder);
1603         if (!is_dir_exist(destdir))
1604                 make_dir_hier(destdir);
1605
1606         if ((fp = procmsg_open_mark_file(destdir, TRUE))) {
1607                 procmsg_write_flags(msginfo, fp);
1608                 fclose(fp);
1609         } else {
1610                 g_warning("Can't open mark file.\n");
1611         }
1612
1613         g_free(destdir);
1614 }
1615
1616 /*!
1617  *\brief        check for flags (e.g. mark) in prior msgs of current thread
1618  *
1619  *\param        info Current message
1620  *\param        perm_flags Flags to be checked
1621  *\param        parentmsgs Hash of prior msgs to avoid loops
1622  *
1623  *\return       gboolean TRUE if perm_flags are found
1624  */
1625 gboolean procmsg_msg_has_flagged_parent_real(MsgInfo *info,
1626                 MsgPermFlags perm_flags, GHashTable *parentmsgs)
1627 {
1628         MsgInfo *tmp;
1629
1630         g_return_val_if_fail(info != NULL, FALSE);
1631
1632         if (info != NULL && info->folder != NULL && info->inreplyto != NULL) {
1633                 tmp = folder_item_get_msginfo_by_msgid(info->folder,
1634                                 info->inreplyto);
1635                 if (tmp && (tmp->flags.perm_flags & perm_flags)) {
1636                         procmsg_msginfo_free(tmp);
1637                         return TRUE;
1638                 } else if (tmp != NULL) {
1639                         gboolean result;
1640
1641                         if (g_hash_table_lookup(parentmsgs, info)) {
1642                                 debug_print("loop detected: %s%c%d\n",
1643                                         folder_item_get_path(info->folder),
1644                                         G_DIR_SEPARATOR, info->msgnum);
1645                                 result = FALSE;
1646                         } else {
1647                                 g_hash_table_insert(parentmsgs, info, "1");
1648                                 result = procmsg_msg_has_flagged_parent_real(
1649                                     tmp, perm_flags, parentmsgs);
1650                         }
1651                         procmsg_msginfo_free(tmp);
1652                         return result;
1653                 } else {
1654                         return FALSE;
1655                 }
1656         } else
1657                 return FALSE;
1658 }
1659
1660 /*!
1661  *\brief        Callback for cleaning up hash of parentmsgs
1662  */
1663 gboolean parentmsgs_hash_remove(gpointer key,
1664                             gpointer value,
1665                             gpointer user_data)
1666 {
1667         return TRUE;
1668 }
1669
1670 /*!
1671  *\brief        Set up list of parentmsgs
1672  *              See procmsg_msg_has_flagged_parent_real()
1673  */
1674 gboolean procmsg_msg_has_flagged_parent(MsgInfo *info, MsgPermFlags perm_flags)
1675 {
1676         gboolean result;
1677         GHashTable *parentmsgs = g_hash_table_new(NULL, NULL);
1678
1679         result = procmsg_msg_has_flagged_parent_real(info, perm_flags, parentmsgs);
1680         g_hash_table_foreach_remove(parentmsgs, parentmsgs_hash_remove, NULL);
1681         g_hash_table_destroy(parentmsgs);
1682         return result;
1683 }
1684
1685 /*!
1686  *\brief        Check if msgs prior in thread are marked
1687  *              See procmsg_msg_has_flagged_parent_real()
1688  */
1689 gboolean procmsg_msg_has_marked_parent(MsgInfo *info)
1690 {
1691         return procmsg_msg_has_flagged_parent(info, MSG_MARKED);
1692 }
1693
1694
1695 GSList *procmsg_find_children_func(MsgInfo *info,
1696                                    GSList *children, GSList *all)
1697 {
1698         GSList *cur;
1699
1700         g_return_val_if_fail(info!=NULL, children);
1701         if (info->msgid == NULL)
1702                 return children;
1703
1704         for (cur = all; cur != NULL; cur = g_slist_next(cur)) {
1705                 MsgInfo *tmp = (MsgInfo *)cur->data;
1706                 if (tmp->inreplyto && !strcmp(tmp->inreplyto, info->msgid)) {
1707                         /* Check if message is already in the list */
1708                         if ((children == NULL) ||
1709                             (g_slist_index(children, tmp) == -1)) {
1710                                 children = g_slist_prepend(children,
1711                                                 procmsg_msginfo_new_ref(tmp));
1712                                 children = procmsg_find_children_func(tmp,
1713                                                         children,
1714                                                         all);
1715                         }
1716                 }
1717         }
1718         return children;
1719 }
1720
1721 GSList *procmsg_find_children (MsgInfo *info)
1722 {
1723         GSList *children;
1724         GSList *all, *cur;
1725
1726         g_return_val_if_fail(info!=NULL, NULL);
1727         all = folder_item_get_msg_list(info->folder);
1728         children = procmsg_find_children_func(info, NULL, all);
1729         if (children != NULL) {
1730                 for (cur = all; cur != NULL; cur = g_slist_next(cur)) {
1731                         /* this will not free the used pointers
1732                            created with procmsg_msginfo_new_ref */
1733                         procmsg_msginfo_free((MsgInfo *)cur->data);
1734                 }
1735         }
1736         g_slist_free(all);
1737
1738         return children;
1739 }
1740
1741 void procmsg_update_unread_children(MsgInfo *info, gboolean newly_marked)
1742 {
1743         GSList *children = procmsg_find_children(info);
1744         GSList *cur;
1745         for (cur = children; cur != NULL; cur = g_slist_next(cur)) {
1746                 MsgInfo *tmp = (MsgInfo *)cur->data;
1747                 if(MSG_IS_UNREAD(tmp->flags) && !MSG_IS_IGNORE_THREAD(tmp->flags)) {
1748                         if(newly_marked)
1749                                 info->folder->unreadmarked++;
1750                         else
1751                                 info->folder->unreadmarked--;
1752                         folder_item_update(info->folder, F_ITEM_UPDATE_MSGCNT);
1753                 }
1754                 procmsg_msginfo_free(tmp);
1755         }
1756         g_slist_free(children);
1757 }
1758
1759 /**
1760  * Set the destination folder for a copy or move operation
1761  *
1762  * \param msginfo The message which's destination folder is changed
1763  * \param to_folder The destination folder for the operation
1764  */
1765 void procmsg_msginfo_set_to_folder(MsgInfo *msginfo, FolderItem *to_folder)
1766 {
1767         if(msginfo->to_folder != NULL) {
1768                 msginfo->to_folder->op_count--;
1769                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
1770         }
1771         msginfo->to_folder = to_folder;
1772         if(to_folder != NULL) {
1773                 to_folder->op_count++;
1774                 folder_item_update(msginfo->to_folder, F_ITEM_UPDATE_MSGCNT);
1775         }
1776 }