src/mh.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 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <dirent.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <errno.h>
  32
  33 #undef MEASURE_TIME
  34
  35 #ifdef MEASURE_TIME
  36 #  include <sys/time.h>
  37 #endif
  38
  39 #include "intl.h"
  40 #include "folder.h"
  41 #include "mh.h"
  42 #include "procmsg.h"
  43 #include "procheader.h"
  44 #include "utils.h"
  45
  46 static void     mh_folder_init                  (Folder         *folder,
  47                                                  const gchar    *name,
  48                                                  const gchar    *path);
  49
  50 GSList  *mh_get_msg_list        (Folder         *folder,
  51                                  FolderItem     *item,
  52                                  gboolean        use_cache);
  53 gchar   *mh_fetch_msg           (Folder         *folder,
  54                                  FolderItem     *item,
  55                                  gint            num);
  56 MsgInfo   *mh_fetch_msginfo     (Folder         *folder,
  57                                  FolderItem     *item,
  58                                  gint            num);
  59 gint     mh_add_msg             (Folder         *folder,
  60                                  FolderItem     *dest,
  61                                  const gchar    *file,
  62                                  gboolean        remove_source);
  63 gint     mh_move_msg            (Folder         *folder,
  64                                  FolderItem     *dest,
  65                                  MsgInfo        *msginfo);
  66 gint     mh_move_msgs_with_dest (Folder         *folder,
  67                                  FolderItem     *dest,
  68                                  GSList         *msglist);
  69 gint     mh_copy_msg            (Folder         *folder,
  70                                  FolderItem     *dest,
  71                                  MsgInfo        *msginfo);
  72 gint     mh_copy_msgs_with_dest (Folder         *folder,
  73                                  FolderItem     *dest,
  74                                  GSList         *msglist);
  75 gint     mh_remove_msg          (Folder         *folder,
  76                                  FolderItem     *item,
  77                                  gint            num);
  78 gint     mh_remove_all_msg      (Folder         *folder,
  79                                  FolderItem     *item);
  80 gboolean mh_is_msg_changed      (Folder         *folder,
  81                                  FolderItem     *item,
  82                                  MsgInfo        *msginfo);
  83
  84 gint    mh_scan_folder          (Folder         *folder,
  85                                  FolderItem     *item);
  86 GSList *mh_get_num_list         (Folder         *folder,
  87                                  FolderItem     *item);
  88 void    mh_scan_tree            (Folder         *folder);
  89
  90 gint    mh_create_tree          (Folder         *folder);
  91 FolderItem *mh_create_folder    (Folder         *folder,
  92                                  FolderItem     *parent,
  93                                  const gchar    *name);
  94 gint    mh_rename_folder        (Folder         *folder,
  95                                  FolderItem     *item,
  96                                  const gchar    *name);
  97 gint    mh_remove_folder        (Folder         *folder,
  98                                  FolderItem     *item);
  99
 100 gchar   *mh_get_new_msg_filename                (FolderItem     *dest);
 101
 102 static GSList  *mh_get_uncached_msgs            (GHashTable     *msg_table,
 103                                                  FolderItem     *item);
 104 static MsgInfo *mh_parse_msg                    (const gchar    *file,
 105                                                  FolderItem     *item);
 106 static void     mh_scan_tree_recursive          (FolderItem     *item);
 107
 108 static gboolean mh_rename_folder_func           (GNode          *node,
 109                                                  gpointer        data);
 110
 111
 112 Folder *mh_folder_new(const gchar *name, const gchar *path)
 113 {
 114         Folder *folder;
 115
 116         folder = (Folder *)g_new0(MHFolder, 1);
 117         mh_folder_init(folder, name, path);
 118
 119         return folder;
 120 }
 121
 122 void mh_folder_destroy(MHFolder *folder)
 123 {
 124         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 125 }
 126
 127 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 128 {
 129         folder_local_folder_init(folder, name, path);
 130
 131         folder->type = F_MH;
 132
 133 /*
 134         folder->get_msg_list        = mh_get_msg_list;
 135 */
 136         folder->fetch_msg           = mh_fetch_msg;
 137         folder->fetch_msginfo       = mh_fetch_msginfo;
 138         folder->add_msg             = mh_add_msg;
 139         folder->move_msg            = mh_move_msg;
 140         folder->move_msgs_with_dest = mh_move_msgs_with_dest;
 141         folder->copy_msg            = mh_copy_msg;
 142         folder->copy_msgs_with_dest = mh_copy_msgs_with_dest;
 143         folder->remove_msg          = mh_remove_msg;
 144         folder->remove_all_msg      = mh_remove_all_msg;
 145         folder->is_msg_changed      = mh_is_msg_changed;
 146 /*
 147         folder->scan                = mh_scan_folder;
 148 */
 149         folder->get_num_list        = mh_get_num_list;
 150         folder->scan_tree           = mh_scan_tree;
 151         folder->create_tree         = mh_create_tree;
 152         folder->create_folder       = mh_create_folder;
 153         folder->rename_folder       = mh_rename_folder;
 154         folder->remove_folder       = mh_remove_folder;
 155 }
 156
 157 void mh_get_last_num(Folder *folder, FolderItem *item)
 158 {
 159         gchar *path;
 160         DIR *dp;
 161         struct dirent *d;
 162         struct stat s;
 163         gint max = 0;
 164         gint num;
 165
 166         g_return_if_fail(item != NULL);
 167
 168         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 169
 170         path = folder_item_get_path(item);
 171         g_return_if_fail(path != NULL);
 172         if (change_dir(path) < 0) {
 173                 g_free(path);
 174                 return;
 175         }
 176         g_free(path);
 177
 178         if ((dp = opendir(".")) == NULL) {
 179                 FILE_OP_ERROR(item->path, "opendir");
 180                 return;
 181         }
 182
 183         while ((d = readdir(dp)) != NULL) {
 184                 if ((num = to_number(d->d_name)) >= 0 &&
 185                     stat(d->d_name, &s) == 0 &&
 186                     S_ISREG(s.st_mode)) {
 187                         if (max < num)
 188                                 max = num;
 189                 }
 190         }
 191         closedir(dp);
 192
 193         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 194         item->last_num = max;
 195 }
 196
 197 GSList *mh_get_num_list(Folder *folder, FolderItem *item)
 198 {
 199
 200         gchar *path;
 201         DIR *dp;
 202         struct dirent *d;
 203         struct stat s;
 204         gint num;
 205         GSList *list = NULL;
 206
 207         g_return_val_if_fail(item != NULL, NULL);
 208
 209         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 210
 211         path = folder_item_get_path(item);
 212         g_return_val_if_fail(path != NULL, NULL);
 213         if (change_dir(path) < 0) {
 214                 g_free(path);
 215                 return NULL;
 216         }
 217         g_free(path);
 218
 219         if ((dp = opendir(".")) == NULL) {
 220                 FILE_OP_ERROR(item->path, "opendir");
 221                 return NULL;
 222         }
 223
 224         while ((d = readdir(dp)) != NULL) {
 225                 if ((num = to_number(d->d_name)) >= 0 &&
 226                     stat(d->d_name, &s) == 0 &&
 227                     S_ISREG(s.st_mode)) {
 228                         list = g_slist_prepend(list, GINT_TO_POINTER(num));
 229                 }
 230         }
 231         closedir(dp);
 232
 233         return list;
 234 }
 235
 236 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
 237 {
 238         GSList *mlist;
 239         GHashTable *msg_table;
 240         gchar *path;
 241         struct stat s;
 242         gboolean scan_new = TRUE;
 243 #ifdef MEASURE_TIME
 244         struct timeval tv_before, tv_after, tv_result;
 245
 246         gettimeofday(&tv_before, NULL);
 247 #endif
 248
 249         g_return_val_if_fail(item != NULL, NULL);
 250
 251         path = folder_item_get_path(item);
 252         if (stat(path, &s) < 0) {
 253                 FILE_OP_ERROR(path, "stat");
 254         } else {
 255                 time_t mtime;
 256
 257                 mtime = MAX(s.st_mtime, s.st_ctime);
 258                 if (item->mtime == mtime) {
 259                         debug_print("Folder is not modified.\n");
 260                         scan_new = FALSE;
 261                 } else
 262                         item->mtime = mtime;
 263         }
 264         g_free(path);
 265
 266         if (use_cache && !scan_new) {
 267                 mlist = procmsg_read_cache(item, FALSE);
 268                 if (!mlist)
 269                         mlist = mh_get_uncached_msgs(NULL, item);
 270         } else if (use_cache) {
 271                 GSList *newlist;
 272
 273                 mlist = procmsg_read_cache(item, TRUE);
 274                 msg_table = procmsg_msg_hash_table_create(mlist);
 275
 276                 newlist = mh_get_uncached_msgs(msg_table, item);
 277                 if (msg_table)
 278                         g_hash_table_destroy(msg_table);
 279
 280                 mlist = g_slist_concat(mlist, newlist);
 281         } else
 282                 mlist = mh_get_uncached_msgs(NULL, item);
 283
 284         procmsg_set_flags(mlist, item);
 285
 286 #ifdef MEASURE_TIME
 287         gettimeofday(&tv_after, NULL);
 288
 289         timersub(&tv_after, &tv_before, &tv_result);
 290         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 291                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 292 #endif
 293
 294         return mlist;
 295 }
 296
 297 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 298 {
 299         gchar *path;
 300         gchar *file;
 301
 302         g_return_val_if_fail(item != NULL, NULL);
 303         g_return_val_if_fail(num > 0, NULL);
 304
 305         path = folder_item_get_path(item);
 306         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 307         g_free(path);
 308         if (!is_file_exist(file)) {
 309                 g_free(file);
 310                 return NULL;
 311         }
 312
 313         return file;
 314 }
 315
 316 MsgInfo *mh_fetch_msginfo(Folder *folder, FolderItem *item, gint num)
 317 {
 318         gchar *path;
 319         gchar *file;
 320         MsgFlags flags;
 321         MsgInfo *msginfo;
 322         struct stat s;
 323
 324         g_return_val_if_fail(item != NULL, NULL);
 325         g_return_val_if_fail(num > 0, NULL);
 326
 327         path = folder_item_get_path(item);
 328         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 329         g_free(path);
 330         if (!is_file_exist(file)) {
 331                 g_free(file);
 332                 return NULL;
 333         }
 334
 335         folder_item_set_default_flags(item, &flags);
 336         msginfo = procheader_parse_file(file, flags, TRUE, FALSE);
 337         if(!msginfo) {
 338                 g_free(file);
 339                 return NULL;
 340         }
 341
 342         msginfo->msgnum = num;
 343         msginfo->folder = item;
 344
 345         if (stat(file, &s) < 0) {
 346                 FILE_OP_ERROR(file, "stat");
 347                 msginfo->size = 0;
 348                 msginfo->mtime = 0;
 349         } else {
 350                 msginfo->size = s.st_size;
 351                 msginfo->mtime = s.st_mtime;
 352         }
 353
 354         g_free(file);
 355
 356         return msginfo;
 357 }
 358
 359 gchar *mh_get_new_msg_filename(FolderItem *dest)
 360 {
 361         gchar *destfile;
 362         gchar *destpath;
 363
 364         destpath = folder_item_get_path(dest);
 365         g_return_val_if_fail(destpath != NULL, NULL);
 366
 367         if (!is_dir_exist(destpath))
 368                 make_dir_hier(destpath);
 369
 370         for (;;) {
 371                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 372                                            dest->last_num + 1);
 373                 if (is_file_entry_exist(destfile)) {
 374                         dest->last_num++;
 375                         g_free(destfile);
 376                 } else
 377                         break;
 378         }
 379
 380         g_free(destpath);
 381
 382         return destfile;
 383 }
 384
 385 #define SET_DEST_MSG_FLAGS(fp, dest, msginfo) \
 386 { \
 387         MsgInfo newmsginfo; \
 388  \
 389         newmsginfo.msgnum = dest->last_num; \
 390         newmsginfo.flags = msginfo->flags; \
 391         if (dest->stype == F_OUTBOX || \
 392             dest->stype == F_QUEUE  || \
 393             dest->stype == F_DRAFT  || \
 394             dest->stype == F_TRASH) \
 395                 MSG_UNSET_PERM_FLAGS(newmsginfo.flags, \
 396                                      MSG_NEW|MSG_UNREAD|MSG_DELETED); \
 397  \
 398         procmsg_write_flags(&newmsginfo, fp); \
 399 }
 400
 401 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 402                 gboolean remove_source)
 403 {
 404         gchar *destfile;
 405
 406         g_return_val_if_fail(dest != NULL, -1);
 407         g_return_val_if_fail(file != NULL, -1);
 408
 409         if (dest->last_num < 0) {
 410                 mh_get_last_num(folder, dest);
 411                 if (dest->last_num < 0) return -1;
 412         }
 413
 414         destfile = mh_get_new_msg_filename(dest);
 415         g_return_val_if_fail(destfile != NULL, -1);
 416
 417         if (link(file, destfile) < 0) {
 418                 if (copy_file(file, destfile) < 0) {
 419                         g_warning(_("can't copy message %s to %s\n"),
 420                                   file, destfile);
 421                         g_free(destfile);
 422                         return -1;
 423                 }
 424         }
 425
 426         if (remove_source) {
 427                 if (unlink(file) < 0)
 428                         FILE_OP_ERROR(file, "unlink");
 429         }
 430
 431         g_free(destfile);
 432         dest->last_num++;
 433         return dest->last_num;
 434 }
 435
 436 static gint mh_do_move(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 437 {
 438         gchar *srcfile;
 439         gchar *destfile;
 440         gint filemode = 0;
 441         PrefsFolderItem *prefs;
 442
 443         g_return_val_if_fail(dest != NULL, -1);
 444         g_return_val_if_fail(msginfo != NULL, -1);
 445
 446         if (msginfo->folder == dest) {
 447                 g_warning(_("the src folder is identical to the dest.\n"));
 448                 return -1;
 449         }
 450
 451         if (dest->last_num < 0) {
 452                 mh_get_last_num(folder, dest);
 453                 if (dest->last_num < 0) return -1;
 454         }
 455
 456         prefs = dest->prefs;
 457
 458         destfile = mh_get_new_msg_filename(dest);
 459         g_return_val_if_fail(destfile != NULL, -1);
 460
 461         debug_print(_("Moving message %s%c%d to %s ...\n"),
 462                     msginfo->folder->path, G_DIR_SEPARATOR,
 463                     msginfo->msgnum, dest->path);
 464         srcfile = procmsg_get_message_file(msginfo);
 465
 466         destfile = mh_get_new_msg_filename(dest);
 467         if(!destfile) return -1;
 468
 469         srcfile = procmsg_get_message_file(msginfo);
 470
 471         if (move_file(srcfile, destfile) < 0) {
 472                 g_free(srcfile);
 473                 g_free(destfile);
 474                 return -1;
 475         }
 476
 477         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 478                 if (chmod(destfile, prefs->folder_chmod) < 0)
 479                         FILE_OP_ERROR(destfile, "chmod");
 480
 481                 /* for mark file */
 482                 filemode = prefs->folder_chmod;
 483                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 484                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 485         }
 486
 487         g_free(srcfile);
 488         g_free(destfile);
 489         dest->last_num++;
 490
 491         return dest->last_num;
 492 }
 493
 494 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 495 {
 496         gchar *srcfile;
 497         gint ret = 0;
 498
 499         g_return_val_if_fail(folder != NULL, -1);
 500         g_return_val_if_fail(dest != NULL, -1);
 501         g_return_val_if_fail(msginfo != NULL, -1);
 502         g_return_val_if_fail(msginfo->folder != NULL, -1);
 503
 504         if (folder == msginfo->folder->folder)
 505                 return mh_do_move(folder, dest, msginfo);
 506
 507         srcfile = procmsg_get_message_file(msginfo);
 508         if (!srcfile) return -1;
 509
 510         ret = mh_add_msg(folder, dest, srcfile, FALSE);
 511         g_free(srcfile);
 512
 513         if (ret != -1) {
 514                 gchar *destdir;
 515                 FILE *fp;
 516
 517                 destdir = folder_item_get_path(dest);
 518                 if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 519                         g_warning(_("Can't open mark file.\n"));
 520                 else {
 521                         SET_DEST_MSG_FLAGS(fp, dest, msginfo);
 522                         fclose(fp);
 523                 }
 524                 g_free(destdir);
 525
 526                 ret = folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 527         }
 528
 529         return ret;
 530 }
 531
 532 static gint mh_do_move_msgs_with_dest(Folder *folder, FolderItem *dest,
 533                                       GSList *msglist)
 534 {
 535         gchar *srcfile;
 536         gchar *destfile;
 537         GSList *cur;
 538         MsgInfo *msginfo;
 539         PrefsFolderItem *prefs;
 540
 541         g_return_val_if_fail(dest != NULL, -1);
 542         g_return_val_if_fail(msglist != NULL, -1);
 543
 544         if (dest->last_num < 0) {
 545                 mh_get_last_num(folder, dest);
 546                 if (dest->last_num < 0) return -1;
 547         }
 548
 549         prefs = dest->prefs;
 550
 551         for (cur = msglist; cur != NULL; cur = cur->next) {
 552                 msginfo = (MsgInfo *)cur->data;
 553
 554                 if (msginfo->folder == dest) {
 555                         g_warning(_("the src folder is identical to the dest.\n"));
 556                         continue;
 557                 }
 558                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 559                             msginfo->folder->path, G_DIR_SEPARATOR,
 560                             msginfo->msgnum, dest->path);
 561
 562                 destfile = mh_get_new_msg_filename(dest);
 563                 if (!destfile) break;
 564                 srcfile = procmsg_get_message_file(msginfo);
 565                 destfile = mh_get_new_msg_filename(dest);
 566                 if(!destfile) return -1;
 567
 568                 if (move_file(srcfile, destfile) < 0) {
 569                         g_free(srcfile);
 570                         g_free(destfile);
 571                         break;
 572                 }
 573
 574                 g_free(srcfile);
 575                 g_free(destfile);
 576                 dest->last_num++;
 577         }
 578
 579         return dest->last_num;
 580 }
 581
 582 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 583 {
 584         MsgInfo *msginfo;
 585         GSList *cur;
 586         gint ret = 0;
 587
 588         msginfo = (MsgInfo *)msglist->data;
 589         if (folder == msginfo->folder->folder)
 590                 return mh_do_move_msgs_with_dest(folder, dest, msglist);
 591
 592         for (cur = msglist; cur != NULL; cur = cur->next) {
 593                 msginfo = (MsgInfo *)cur->data;
 594                 ret = mh_move_msg(folder, dest, msginfo);
 595                 if (ret == -1) break;
 596         }
 597
 598         return ret;
 599 }
 600
 601 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 602 {
 603         gchar *srcfile;
 604         gchar *destfile;
 605         gint filemode = 0;
 606         PrefsFolderItem *prefs;
 607
 608         g_return_val_if_fail(dest != NULL, -1);
 609         g_return_val_if_fail(msginfo != NULL, -1);
 610
 611         if (msginfo->folder == dest) {
 612                 g_warning(_("the src folder is identical to the dest.\n"));
 613                 return -1;
 614         }
 615
 616         if (dest->last_num < 0) {
 617                 mh_get_last_num(folder, dest);
 618                 if (dest->last_num < 0) return -1;
 619         }
 620
 621         prefs = dest->prefs;
 622
 623         destfile = mh_get_new_msg_filename(dest);
 624         g_return_val_if_fail(destfile != NULL, -1);
 625
 626         debug_print(_("Copying message %s%c%d to %s ...\n"),
 627                     msginfo->folder->path, G_DIR_SEPARATOR,
 628                     msginfo->msgnum, dest->path);
 629
 630         srcfile = procmsg_get_message_file(msginfo);
 631         destfile = mh_get_new_msg_filename(dest);
 632         if(!destfile) {
 633                 g_free(srcfile);
 634                 return -1;
 635         }
 636
 637         if (copy_file(srcfile, destfile) < 0) {
 638                 FILE_OP_ERROR(srcfile, "copy");
 639                 g_free(srcfile);
 640                 g_free(destfile);
 641                 return -1;
 642         }
 643
 644         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 645                 if (chmod(destfile, prefs->folder_chmod) < 0)
 646                         FILE_OP_ERROR(destfile, "chmod");
 647
 648                 /* for mark file */
 649                 filemode = prefs->folder_chmod;
 650                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 651                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 652         }
 653
 654         g_free(srcfile);
 655         g_free(destfile);
 656         dest->last_num++;
 657
 658         return dest->last_num;
 659 }
 660
 661 /*
 662 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 663 {
 664         Folder * src_folder;
 665         gchar * filename;
 666         gint num;
 667         gchar * destdir;
 668         FILE * fp;
 669
 670         src_folder = msginfo->folder->folder;
 671
 672         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 673
 674         filename = src_folder->fetch_msg(src_folder,
 675                                          msginfo->folder,
 676                                          msginfo->msgnum);
 677         if (filename == NULL)
 678                 return -1;
 679
 680         num = folder->add_msg(folder, dest, filename, FALSE);
 681
 682         destdir = folder_item_get_path(dest);
 683
 684         if (fp) {
 685                 MsgInfo newmsginfo;
 686
 687                 newmsginfo.msgnum = dest->last_num;
 688                 newmsginfo.flags = msginfo->flags;
 689                 if (dest->stype == F_OUTBOX ||
 690                     dest->stype == F_QUEUE  ||
 691                     dest->stype == F_DRAFT  ||
 692                     dest->stype == F_TRASH)
 693                         MSG_UNSET_FLAGS(newmsginfo.flags,
 694                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 695
 696                 procmsg_write_flags(&newmsginfo, fp);
 697                 fclose(fp);
 698         }
 699
 700         return num;
 701 }
 702 */
 703
 704 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 705 {
 706         gchar *srcfile;
 707         gchar *destfile;
 708         GSList *cur;
 709         MsgInfo *msginfo;
 710
 711         g_return_val_if_fail(dest != NULL, -1);
 712         g_return_val_if_fail(msglist != NULL, -1);
 713
 714         if (dest->last_num < 0) {
 715                 mh_get_last_num(folder, dest);
 716                 if (dest->last_num < 0) return -1;
 717         }
 718
 719         for (cur = msglist; cur != NULL; cur = cur->next) {
 720                 msginfo = (MsgInfo *)cur->data;
 721
 722                 if (msginfo->folder == dest) {
 723                         g_warning(_("the src folder is identical to the dest.\n"));
 724                         continue;
 725                 }
 726                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 727                             msginfo->folder->path, G_DIR_SEPARATOR,
 728                             msginfo->msgnum, dest->path);
 729
 730                 destfile = mh_get_new_msg_filename(dest);
 731                 if (!destfile) break;
 732                 srcfile = procmsg_get_message_file(msginfo);
 733
 734                 if (copy_file(srcfile, destfile) < 0) {
 735                         FILE_OP_ERROR(srcfile, "copy");
 736                         g_free(srcfile);
 737                         g_free(destfile);
 738                         break;
 739                 }
 740
 741                 g_free(srcfile);
 742                 g_free(destfile);
 743                 dest->last_num++;
 744         }
 745
 746         return dest->last_num;
 747 }
 748
 749 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 750 {
 751         gchar *file;
 752
 753         g_return_val_if_fail(item != NULL, -1);
 754
 755         file = mh_fetch_msg(folder, item, num);
 756         g_return_val_if_fail(file != NULL, -1);
 757
 758         if (unlink(file) < 0) {
 759                 FILE_OP_ERROR(file, "unlink");
 760                 g_free(file);
 761                 return -1;
 762         }
 763
 764         g_free(file);
 765         return 0;
 766 }
 767
 768 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 769 {
 770         gchar *path;
 771         gint val;
 772
 773         g_return_val_if_fail(item != NULL, -1);
 774
 775         path = folder_item_get_path(item);
 776         g_return_val_if_fail(path != NULL, -1);
 777         val = remove_all_numbered_files(path);
 778         g_free(path);
 779
 780         return val;
 781 }
 782
 783 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 784 {
 785         struct stat s;
 786
 787         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 788             msginfo->size  != s.st_size ||
 789             msginfo->mtime != s.st_mtime)
 790                 return TRUE;
 791
 792         return FALSE;
 793 }
 794
 795 gint mh_scan_folder(Folder *folder, FolderItem *item)
 796 {
 797         gchar *path;
 798         DIR *dp;
 799         struct dirent *d;
 800         struct stat s;
 801         gint max = 0;
 802         gint num;
 803
 804         g_return_val_if_fail(item != NULL, -1);
 805
 806         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 807
 808         path = folder_item_get_path(item);
 809         g_return_val_if_fail(path != NULL, -1);
 810         if (change_dir(path) < 0) {
 811                 g_free(path);
 812                 return -1;
 813         }
 814         g_free(path);
 815
 816         if ((dp = opendir(".")) == NULL) {
 817                 FILE_OP_ERROR(item->path, "opendir");
 818                 return -1;
 819         }
 820
 821         if (folder->ui_func)
 822                 folder->ui_func(folder, item, folder->ui_func_data);
 823
 824         while ((d = readdir(dp)) != NULL) {
 825                 if ((num = to_number(d->d_name)) >= 0 &&
 826                     stat(d->d_name, &s) == 0 &&
 827                     S_ISREG(s.st_mode)) {
 828 /*
 829                         n_msg++;
 830 */
 831                         if (max < num)
 832                                 max = num;
 833                 }
 834         }
 835         closedir(dp);
 836
 837 /*
 838         if (n_msg == 0)
 839                 item->new = item->unread = item->total = 0;
 840         else {
 841                 gint new, unread, total, min, max;
 842
 843                 procmsg_get_mark_sum(".", &new, &unread, &total, &min, &max, 0);
 844                 if (n_msg > total) {
 845                         new += n_msg - total;
 846                         unread += n_msg - total;
 847                 }
 848                 item->new = new;
 849                 item->unread = unread;
 850                 item->total = n_msg;
 851         }
 852 */
 853         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 854         item->last_num = max;
 855
 856         return 0;
 857 }
 858
 859 void mh_scan_tree(Folder *folder)
 860 {
 861         FolderItem *item;
 862         gchar *rootpath;
 863
 864         g_return_if_fail(folder != NULL);
 865
 866         item = folder_item_new(folder->name, NULL);
 867         item->folder = folder;
 868         folder->node = g_node_new(item);
 869
 870         rootpath = folder_item_get_path(item);
 871         if (change_dir(rootpath) < 0) {
 872                 g_free(rootpath);
 873                 return;
 874         }
 875         g_free(rootpath);
 876
 877         mh_create_tree(folder);
 878         mh_scan_tree_recursive(item);
 879 }
 880
 881 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 882 { \
 883         if (!is_dir_exist(dir)) { \
 884                 if (is_file_exist(dir)) { \
 885                         g_warning(_("File `%s' already exists.\n" \
 886                                     "Can't create folder."), dir); \
 887                         return -1; \
 888                 } \
 889                 if (make_dir(dir) < 0) \
 890                         return -1; \
 891         } \
 892 }
 893
 894 gint mh_create_tree(Folder *folder)
 895 {
 896         gchar *rootpath;
 897
 898         g_return_val_if_fail(folder != NULL, -1);
 899
 900         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 901         rootpath = LOCAL_FOLDER(folder)->rootpath;
 902         MAKE_DIR_IF_NOT_EXIST(rootpath);
 903         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 904         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 905         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 906         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 907         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 908         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 909
 910         return 0;
 911 }
 912
 913 #undef MAKE_DIR_IF_NOT_EXIST
 914
 915 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 916                              const gchar *name)
 917 {
 918         gchar *path;
 919         gchar *fullpath;
 920         FolderItem *new_item;
 921
 922         g_return_val_if_fail(folder != NULL, NULL);
 923         g_return_val_if_fail(parent != NULL, NULL);
 924         g_return_val_if_fail(name != NULL, NULL);
 925
 926         path = folder_item_get_path(parent);
 927         if (!is_dir_exist(path))
 928                 make_dir_hier(path);
 929
 930         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 931         g_free(path);
 932
 933         if (make_dir(fullpath) < 0) {
 934                 g_free(fullpath);
 935                 return NULL;
 936         }
 937
 938         g_free(fullpath);
 939
 940         if (parent->path)
 941                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 942                                    NULL);
 943         else
 944                 path = g_strdup(name);
 945         new_item = folder_item_new(name, path);
 946         folder_item_append(parent, new_item);
 947         g_free(path);
 948
 949         return new_item;
 950 }
 951
 952 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 953 {
 954         gchar *oldpath;
 955         gchar *dirname;
 956         gchar *newpath;
 957         GNode *node;
 958         gchar *paths[2];
 959
 960         g_return_val_if_fail(folder != NULL, -1);
 961         g_return_val_if_fail(item != NULL, -1);
 962         g_return_val_if_fail(item->path != NULL, -1);
 963         g_return_val_if_fail(name != NULL, -1);
 964
 965         oldpath = folder_item_get_path(item);
 966         if (!is_dir_exist(oldpath))
 967                 make_dir_hier(oldpath);
 968
 969         dirname = g_dirname(oldpath);
 970         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 971         g_free(dirname);
 972
 973         if (rename(oldpath, newpath) < 0) {
 974                 FILE_OP_ERROR(oldpath, "rename");
 975                 g_free(oldpath);
 976                 g_free(newpath);
 977                 return -1;
 978         }
 979
 980         g_free(oldpath);
 981         g_free(newpath);
 982
 983         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 984                 dirname = g_dirname(item->path);
 985                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 986                 g_free(dirname);
 987         } else
 988                 newpath = g_strdup(name);
 989
 990         g_free(item->name);
 991         item->name = g_strdup(name);
 992
 993         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 994                            item);
 995         paths[0] = g_strdup(item->path);
 996         paths[1] = newpath;
 997         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 998                         mh_rename_folder_func, paths);
 999
1000         g_free(paths[0]);
1001         g_free(paths[1]);
1002         return 0;
1003 }
1004
1005 gint mh_remove_folder(Folder *folder, FolderItem *item)
1006 {
1007         gchar *path;
1008
1009         g_return_val_if_fail(folder != NULL, -1);
1010         g_return_val_if_fail(item != NULL, -1);
1011         g_return_val_if_fail(item->path != NULL, -1);
1012
1013         path = folder_item_get_path(item);
1014         if (remove_dir_recursive(path) < 0) {
1015                 g_warning("can't remove directory `%s'\n", path);
1016                 g_free(path);
1017                 return -1;
1018         }
1019
1020         g_free(path);
1021         folder_item_remove(item);
1022         return 0;
1023 }
1024
1025
1026 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
1027 {
1028         gchar *path;
1029         DIR *dp;
1030         struct dirent *d;
1031         struct stat s;
1032         GSList *newlist = NULL;
1033         GSList *last = NULL;
1034         MsgInfo *msginfo;
1035         gint n_newmsg = 0;
1036         gint num;
1037
1038         g_return_val_if_fail(item != NULL, NULL);
1039
1040         path = folder_item_get_path(item);
1041         g_return_val_if_fail(path != NULL, NULL);
1042         if (change_dir(path) < 0) {
1043                 g_free(path);
1044                 return NULL;
1045         }
1046         g_free(path);
1047
1048         if ((dp = opendir(".")) == NULL) {
1049                 FILE_OP_ERROR(item->path, "opendir");
1050                 return NULL;
1051         }
1052
1053         debug_print(_("\tSearching uncached messages... "));
1054
1055         if (msg_table) {
1056                 while ((d = readdir(dp)) != NULL) {
1057                         if ((num = to_number(d->d_name)) < 0) continue;
1058                         if (stat(d->d_name, &s) < 0) {
1059                                 FILE_OP_ERROR(d->d_name, "stat");
1060                                 continue;
1061                         }
1062                         if (!S_ISREG(s.st_mode)) continue;
1063
1064                         msginfo = g_hash_table_lookup
1065                                 (msg_table, GUINT_TO_POINTER(num));
1066
1067                         if (!msginfo) {
1068                                 /* not found in the cache (uncached message) */
1069                                 msginfo = mh_parse_msg(d->d_name, item);
1070                                 if (!msginfo) continue;
1071
1072                                 if (!newlist)
1073                                         last = newlist =
1074                                                 g_slist_append(NULL, msginfo);
1075                                 else {
1076                                         last = g_slist_append(last, msginfo);
1077                                         last = last->next;
1078                                 }
1079                                 n_newmsg++;
1080                         }
1081                 }
1082         } else {
1083                 /* discard all previous cache */
1084                 while ((d = readdir(dp)) != NULL) {
1085                         if (to_number(d->d_name) < 0) continue;
1086                         if (stat(d->d_name, &s) < 0) {
1087                                 FILE_OP_ERROR(d->d_name, "stat");
1088                                 continue;
1089                         }
1090                         if (!S_ISREG(s.st_mode)) continue;
1091
1092                         msginfo = mh_parse_msg(d->d_name, item);
1093                         if (!msginfo) continue;
1094
1095                         if (!newlist)
1096                                 last = newlist = g_slist_append(NULL, msginfo);
1097                         else {
1098                                 last = g_slist_append(last, msginfo);
1099                                 last = last->next;
1100                         }
1101                         n_newmsg++;
1102                 }
1103         }
1104
1105         closedir(dp);
1106
1107         if (n_newmsg)
1108                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
1109         else
1110                 debug_print(_("done.\n"));
1111
1112         /* sort new messages in numerical order */
1113         if (newlist) {
1114                 debug_print(_("\tSorting uncached messages in numerical order... "));
1115                 newlist = g_slist_sort
1116                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
1117                 debug_print(_("done.\n"));
1118         }
1119
1120         return newlist;
1121 }
1122
1123 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
1124 {
1125         struct stat s;
1126         MsgInfo *msginfo;
1127         MsgFlags flags;
1128
1129         flags.perm_flags = MSG_NEW|MSG_UNREAD;
1130         flags.tmp_flags = 0;
1131
1132         g_return_val_if_fail(item != NULL, NULL);
1133         g_return_val_if_fail(file != NULL, NULL);
1134
1135         if (item->stype == F_QUEUE) {
1136                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
1137         } else if (item->stype == F_DRAFT) {
1138                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
1139         }
1140
1141         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
1142         if (!msginfo) return NULL;
1143
1144         msginfo->msgnum = atoi(file);
1145         msginfo->folder = item;
1146
1147         if (stat(file, &s) < 0) {
1148                 FILE_OP_ERROR(file, "stat");
1149                 msginfo->size = 0;
1150                 msginfo->mtime = 0;
1151         } else {
1152                 msginfo->size = s.st_size;
1153                 msginfo->mtime = s.st_mtime;
1154         }
1155
1156         return msginfo;
1157 }
1158
1159 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1160 {
1161         gchar *entry;
1162         gboolean result;
1163
1164         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1165         result = is_dir_exist(entry);
1166         g_free(entry);
1167
1168         return result;
1169 }
1170
1171 /*
1172  * check whether PATH is a Maildir style mailbox.
1173  * This is the case if the 3 subdir: new, cur, tmp are existing.
1174  * This functon assumes that entry is an directory
1175  */
1176 static gboolean mh_is_maildir(const gchar *path)
1177 {
1178         return mh_is_maildir_one(path, "new") &&
1179                mh_is_maildir_one(path, "cur") &&
1180                mh_is_maildir_one(path, "tmp");
1181 }
1182
1183 static void mh_scan_tree_recursive(FolderItem *item)
1184 {
1185         DIR *dp;
1186         struct dirent *d;
1187         struct stat s;
1188         gchar *entry;
1189         gint n_msg = 0;
1190
1191         g_return_if_fail(item != NULL);
1192         g_return_if_fail(item->folder != NULL);
1193
1194         dp = opendir(item->path ? item->path : ".");
1195         if (!dp) {
1196                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1197                 return;
1198         }
1199
1200         debug_print("scanning %s ...\n",
1201                     item->path ? item->path
1202                     : LOCAL_FOLDER(item->folder)->rootpath);
1203         if (item->folder->ui_func)
1204                 item->folder->ui_func(item->folder, item,
1205                                       item->folder->ui_func_data);
1206
1207         while ((d = readdir(dp)) != NULL) {
1208                 if (d->d_name[0] == '.') continue;
1209
1210                 if (item->path)
1211                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1212                                             d->d_name, NULL);
1213                 else
1214                         entry = g_strdup(d->d_name);
1215
1216                 if (stat(entry, &s) < 0) {
1217                         FILE_OP_ERROR(entry, "stat");
1218                         g_free(entry);
1219                         continue;
1220                 }
1221
1222                 if (S_ISDIR(s.st_mode)) {
1223                         FolderItem *new_item;
1224
1225                         if (mh_is_maildir(entry)) {
1226                                 g_free(entry);
1227                                 continue;
1228                         }
1229
1230                         new_item = folder_item_new(d->d_name, entry);
1231                         folder_item_append(item, new_item);
1232                         if (!item->path) {
1233                                 if (!strcmp(d->d_name, INBOX_DIR)) {
1234                                         new_item->stype = F_INBOX;
1235                                         item->folder->inbox = new_item;
1236                                 } else if (!strcmp(d->d_name, OUTBOX_DIR)) {
1237                                         new_item->stype = F_OUTBOX;
1238                                         item->folder->outbox = new_item;
1239                                 } else if (!strcmp(d->d_name, DRAFT_DIR)) {
1240                                         new_item->stype = F_DRAFT;
1241                                         item->folder->draft = new_item;
1242                                 } else if (!strcmp(d->d_name, QUEUE_DIR)) {
1243                                         new_item->stype = F_QUEUE;
1244                                         item->folder->queue = new_item;
1245                                 } else if (!strcmp(d->d_name, TRASH_DIR)) {
1246                                         new_item->stype = F_TRASH;
1247                                         item->folder->trash = new_item;
1248                                 }
1249                         }
1250                         mh_scan_tree_recursive(new_item);
1251                 } else if (to_number(d->d_name) != -1) n_msg++;
1252
1253                 g_free(entry);
1254         }
1255
1256         closedir(dp);
1257
1258 /*
1259         if (item->path) {
1260                 gint new, unread, total, min, max;
1261
1262                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
1263                                      &min, &max, 0);
1264                 if (n_msg > total) {
1265                         new += n_msg - total;
1266                         unread += n_msg - total;
1267                 }
1268                 item->new = new;
1269                 item->unread = unread;
1270                 item->total = n_msg;
1271         }
1272 */
1273 }
1274
1275 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1276 {
1277         FolderItem *item = node->data;
1278         gchar **paths = data;
1279         const gchar *oldpath = paths[0];
1280         const gchar *newpath = paths[1];
1281         gchar *base;
1282         gchar *new_itempath;
1283         gint oldpathlen;
1284
1285         oldpathlen = strlen(oldpath);
1286         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1287                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1288                 return TRUE;
1289         }
1290
1291         base = item->path + oldpathlen;
1292         while (*base == G_DIR_SEPARATOR) base++;
1293         if (*base == '\0')
1294                 new_itempath = g_strdup(newpath);
1295         else
1296                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1297                                            NULL);
1298         g_free(item->path);
1299         item->path = new_itempath;
1300
1301         return FALSE;
1302 }