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->type = F_MH;
 130
 131         folder_local_folder_init(folder, name, path);
 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, TRUE) < 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         if (!destfile) return -1;
 460
 461         srcfile = procmsg_get_message_file(msginfo);
 462
 463         debug_print("Moving message %s%c%d to %s ...\n",
 464                     msginfo->folder->path, G_DIR_SEPARATOR,
 465                     msginfo->msgnum, dest->path);
 466
 467         if (move_file(srcfile, destfile, FALSE) < 0) {
 468                 g_free(srcfile);
 469                 g_free(destfile);
 470                 return -1;
 471         }
 472
 473         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 474                 if (chmod(destfile, prefs->folder_chmod) < 0)
 475                         FILE_OP_ERROR(destfile, "chmod");
 476
 477                 /* for mark file */
 478                 filemode = prefs->folder_chmod;
 479                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 480                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 481         }
 482
 483         g_free(srcfile);
 484         g_free(destfile);
 485         dest->last_num++;
 486
 487         return dest->last_num;
 488 }
 489
 490 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 491 {
 492         gchar *srcfile;
 493         gint ret = 0;
 494
 495         g_return_val_if_fail(folder != NULL, -1);
 496         g_return_val_if_fail(dest != NULL, -1);
 497         g_return_val_if_fail(msginfo != NULL, -1);
 498         g_return_val_if_fail(msginfo->folder != NULL, -1);
 499
 500         if (folder == msginfo->folder->folder)
 501                 return mh_do_move(folder, dest, msginfo);
 502
 503         srcfile = procmsg_get_message_file(msginfo);
 504         if (!srcfile) return -1;
 505
 506         ret = mh_add_msg(folder, dest, srcfile, FALSE);
 507         g_free(srcfile);
 508
 509         if (ret != -1) {
 510                 gchar *destdir;
 511                 FILE *fp;
 512
 513                 destdir = folder_item_get_path(dest);
 514                 if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 515                         g_warning(_("Can't open mark file.\n"));
 516                 else {
 517                         SET_DEST_MSG_FLAGS(fp, dest, msginfo);
 518                         fclose(fp);
 519                 }
 520                 g_free(destdir);
 521
 522                 ret = folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 523         }
 524
 525         return ret;
 526 }
 527
 528 static gint mh_do_move_msgs_with_dest(Folder *folder, FolderItem *dest,
 529                                       GSList *msglist)
 530 {
 531         gchar *srcfile;
 532         gchar *destfile;
 533         GSList *cur;
 534         MsgInfo *msginfo;
 535         PrefsFolderItem *prefs;
 536
 537         g_return_val_if_fail(dest != NULL, -1);
 538         g_return_val_if_fail(msglist != NULL, -1);
 539
 540         if (dest->last_num < 0) {
 541                 mh_get_last_num(folder, dest);
 542                 if (dest->last_num < 0) return -1;
 543         }
 544
 545         prefs = dest->prefs;
 546
 547         for (cur = msglist; cur != NULL; cur = cur->next) {
 548                 msginfo = (MsgInfo *)cur->data;
 549
 550                 if (msginfo->folder == dest) {
 551                         g_warning(_("the src folder is identical to the dest.\n"));
 552                         continue;
 553                 }
 554                 debug_print("Moving message %s%c%d to %s ...\n",
 555                             msginfo->folder->path, G_DIR_SEPARATOR,
 556                             msginfo->msgnum, dest->path);
 557
 558                 destfile = mh_get_new_msg_filename(dest);
 559                 if (!destfile) return -1;
 560                 srcfile = procmsg_get_message_file(msginfo);
 561
 562                 if (move_file(srcfile, destfile, FALSE) < 0) {
 563                         g_free(srcfile);
 564                         g_free(destfile);
 565                         break;
 566                 }
 567
 568                 g_free(srcfile);
 569                 g_free(destfile);
 570                 dest->last_num++;
 571         }
 572
 573         return dest->last_num;
 574 }
 575
 576 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 577 {
 578         MsgInfo *msginfo;
 579         GSList *cur;
 580         gint ret = 0;
 581
 582         msginfo = (MsgInfo *)msglist->data;
 583         if (folder == msginfo->folder->folder)
 584                 return mh_do_move_msgs_with_dest(folder, dest, msglist);
 585
 586         for (cur = msglist; cur != NULL; cur = cur->next) {
 587                 msginfo = (MsgInfo *)cur->data;
 588                 ret = mh_move_msg(folder, dest, msginfo);
 589                 if (ret == -1) break;
 590         }
 591
 592         return ret;
 593 }
 594
 595 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 596 {
 597         gchar *srcfile;
 598         gchar *destfile;
 599         gint filemode = 0;
 600         PrefsFolderItem *prefs;
 601
 602         g_return_val_if_fail(dest != NULL, -1);
 603         g_return_val_if_fail(msginfo != NULL, -1);
 604
 605         if (msginfo->folder == dest) {
 606                 g_warning(_("the src folder is identical to the dest.\n"));
 607                 return -1;
 608         }
 609
 610         if (dest->last_num < 0) {
 611                 mh_get_last_num(folder, dest);
 612                 if (dest->last_num < 0) return -1;
 613         }
 614
 615         prefs = dest->prefs;
 616
 617         srcfile = procmsg_get_message_file(msginfo);
 618         destfile = mh_get_new_msg_filename(dest);
 619         if (!destfile) {
 620                 g_free(srcfile);
 621                 return -1;
 622         }
 623
 624         debug_print("Copying message %s%c%d to %s ...\n",
 625                     msginfo->folder->path, G_DIR_SEPARATOR,
 626                     msginfo->msgnum, dest->path);
 627
 628
 629         if (copy_file(srcfile, destfile, TRUE) < 0) {
 630                 FILE_OP_ERROR(srcfile, "copy");
 631                 g_free(srcfile);
 632                 g_free(destfile);
 633                 return -1;
 634         }
 635
 636         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 637                 if (chmod(destfile, prefs->folder_chmod) < 0)
 638                         FILE_OP_ERROR(destfile, "chmod");
 639
 640                 /* for mark file */
 641                 filemode = prefs->folder_chmod;
 642                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 643                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 644         }
 645
 646         g_free(srcfile);
 647         g_free(destfile);
 648         dest->last_num++;
 649
 650         return dest->last_num;
 651 }
 652
 653 /*
 654 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 655 {
 656         Folder * src_folder;
 657         gchar * filename;
 658         gint num;
 659         gchar * destdir;
 660         FILE * fp;
 661
 662         src_folder = msginfo->folder->folder;
 663
 664         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 665
 666         filename = src_folder->fetch_msg(src_folder,
 667                                          msginfo->folder,
 668                                          msginfo->msgnum);
 669         if (filename == NULL)
 670                 return -1;
 671
 672         num = folder->add_msg(folder, dest, filename, FALSE);
 673
 674         destdir = folder_item_get_path(dest);
 675
 676         if (fp) {
 677                 MsgInfo newmsginfo;
 678
 679                 newmsginfo.msgnum = dest->last_num;
 680                 newmsginfo.flags = msginfo->flags;
 681                 if (dest->stype == F_OUTBOX ||
 682                     dest->stype == F_QUEUE  ||
 683                     dest->stype == F_DRAFT  ||
 684                     dest->stype == F_TRASH)
 685                         MSG_UNSET_FLAGS(newmsginfo.flags,
 686                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 687
 688                 procmsg_write_flags(&newmsginfo, fp);
 689                 fclose(fp);
 690         }
 691
 692         return num;
 693 }
 694 */
 695
 696 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 697 {
 698         gchar *srcfile;
 699         gchar *destfile;
 700         GSList *cur;
 701         MsgInfo *msginfo;
 702
 703         g_return_val_if_fail(dest != NULL, -1);
 704         g_return_val_if_fail(msglist != NULL, -1);
 705
 706         if (dest->last_num < 0) {
 707                 mh_get_last_num(folder, dest);
 708                 if (dest->last_num < 0) return -1;
 709         }
 710
 711         for (cur = msglist; cur != NULL; cur = cur->next) {
 712                 msginfo = (MsgInfo *)cur->data;
 713
 714                 if (msginfo->folder == dest) {
 715                         g_warning(_("the src folder is identical to the dest.\n"));
 716                         continue;
 717                 }
 718                 debug_print("Copying message %s%c%d to %s ...\n",
 719                             msginfo->folder->path, G_DIR_SEPARATOR,
 720                             msginfo->msgnum, dest->path);
 721
 722                 destfile = mh_get_new_msg_filename(dest);
 723                 if (!destfile) break;
 724                 srcfile = procmsg_get_message_file(msginfo);
 725
 726                 if (copy_file(srcfile, destfile, TRUE) < 0) {
 727                         FILE_OP_ERROR(srcfile, "copy");
 728                         g_free(srcfile);
 729                         g_free(destfile);
 730                         break;
 731                 }
 732
 733                 g_free(srcfile);
 734                 g_free(destfile);
 735                 dest->last_num++;
 736         }
 737
 738         return dest->last_num;
 739 }
 740
 741 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 742 {
 743         gchar *file;
 744
 745         g_return_val_if_fail(item != NULL, -1);
 746
 747         file = mh_fetch_msg(folder, item, num);
 748         g_return_val_if_fail(file != NULL, -1);
 749
 750         if (unlink(file) < 0) {
 751                 FILE_OP_ERROR(file, "unlink");
 752                 g_free(file);
 753                 return -1;
 754         }
 755
 756         g_free(file);
 757         return 0;
 758 }
 759
 760 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 761 {
 762         gchar *path;
 763         gint val;
 764
 765         g_return_val_if_fail(item != NULL, -1);
 766
 767         path = folder_item_get_path(item);
 768         g_return_val_if_fail(path != NULL, -1);
 769         val = remove_all_numbered_files(path);
 770         g_free(path);
 771
 772         return val;
 773 }
 774
 775 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 776 {
 777         struct stat s;
 778
 779         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 780             msginfo->size  != s.st_size ||
 781             msginfo->mtime != s.st_mtime)
 782                 return TRUE;
 783
 784         return FALSE;
 785 }
 786
 787 gint mh_scan_folder(Folder *folder, FolderItem *item)
 788 {
 789         gchar *path;
 790         DIR *dp;
 791         struct dirent *d;
 792         struct stat s;
 793         gint max = 0;
 794         gint num;
 795
 796         g_return_val_if_fail(item != NULL, -1);
 797
 798         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 799
 800         path = folder_item_get_path(item);
 801         g_return_val_if_fail(path != NULL, -1);
 802         if (change_dir(path) < 0) {
 803                 g_free(path);
 804                 return -1;
 805         }
 806         g_free(path);
 807
 808         if ((dp = opendir(".")) == NULL) {
 809                 FILE_OP_ERROR(item->path, "opendir");
 810                 return -1;
 811         }
 812
 813         if (folder->ui_func)
 814                 folder->ui_func(folder, item, folder->ui_func_data);
 815
 816         while ((d = readdir(dp)) != NULL) {
 817                 if ((num = to_number(d->d_name)) >= 0 &&
 818                     stat(d->d_name, &s) == 0 &&
 819                     S_ISREG(s.st_mode)) {
 820 /*
 821                         n_msg++;
 822 */
 823                         if (max < num)
 824                                 max = num;
 825                 }
 826         }
 827         closedir(dp);
 828
 829 /*
 830         if (n_msg == 0)
 831                 item->new = item->unread = item->total = 0;
 832         else {
 833                 gint new, unread, total, min, max;
 834
 835                 procmsg_get_mark_sum(".", &new, &unread, &total, &min, &max, 0);
 836                 if (n_msg > total) {
 837                         new += n_msg - total;
 838                         unread += n_msg - total;
 839                 }
 840                 item->new = new;
 841                 item->unread = unread;
 842                 item->total = n_msg;
 843         }
 844 */
 845         debug_print("Last number in dir %s = %d\n", item->path, max);
 846         item->last_num = max;
 847
 848         return 0;
 849 }
 850
 851 void mh_scan_tree(Folder *folder)
 852 {
 853         FolderItem *item;
 854         gchar *rootpath;
 855
 856         g_return_if_fail(folder != NULL);
 857
 858         item = folder_item_new(folder, folder->name, NULL);
 859         item->folder = folder;
 860         folder->node = g_node_new(item);
 861
 862         rootpath = folder_item_get_path(item);
 863         if (change_dir(rootpath) < 0) {
 864                 g_free(rootpath);
 865                 return;
 866         }
 867         g_free(rootpath);
 868
 869         mh_create_tree(folder);
 870         mh_scan_tree_recursive(item);
 871 }
 872
 873 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 874 { \
 875         if (!is_dir_exist(dir)) { \
 876                 if (is_file_exist(dir)) { \
 877                         g_warning(_("File `%s' already exists.\n" \
 878                                     "Can't create folder."), dir); \
 879                         return -1; \
 880                 } \
 881                 if (make_dir(dir) < 0) \
 882                         return -1; \
 883         } \
 884 }
 885
 886 gint mh_create_tree(Folder *folder)
 887 {
 888         gchar *rootpath;
 889
 890         g_return_val_if_fail(folder != NULL, -1);
 891
 892         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 893         rootpath = LOCAL_FOLDER(folder)->rootpath;
 894         MAKE_DIR_IF_NOT_EXIST(rootpath);
 895         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 896         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 897         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 898         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 899         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 900         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 901
 902         return 0;
 903 }
 904
 905 #undef MAKE_DIR_IF_NOT_EXIST
 906
 907 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 908                              const gchar *name)
 909 {
 910         gchar *path;
 911         gchar *fullpath;
 912         FolderItem *new_item;
 913
 914         g_return_val_if_fail(folder != NULL, NULL);
 915         g_return_val_if_fail(parent != NULL, NULL);
 916         g_return_val_if_fail(name != NULL, NULL);
 917
 918         path = folder_item_get_path(parent);
 919         if (!is_dir_exist(path))
 920                 make_dir_hier(path);
 921
 922         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 923         g_free(path);
 924
 925         if (make_dir(fullpath) < 0) {
 926                 g_free(fullpath);
 927                 return NULL;
 928         }
 929
 930         g_free(fullpath);
 931
 932         if (parent->path)
 933                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 934                                    NULL);
 935         else
 936                 path = g_strdup(name);
 937         new_item = folder_item_new(folder, name, path);
 938         folder_item_append(parent, new_item);
 939         g_free(path);
 940
 941         return new_item;
 942 }
 943
 944 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 945 {
 946         gchar *oldpath;
 947         gchar *dirname;
 948         gchar *newpath;
 949         GNode *node;
 950         gchar *paths[2];
 951
 952         g_return_val_if_fail(folder != NULL, -1);
 953         g_return_val_if_fail(item != NULL, -1);
 954         g_return_val_if_fail(item->path != NULL, -1);
 955         g_return_val_if_fail(name != NULL, -1);
 956
 957         oldpath = folder_item_get_path(item);
 958         if (!is_dir_exist(oldpath))
 959                 make_dir_hier(oldpath);
 960
 961         dirname = g_dirname(oldpath);
 962         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 963         g_free(dirname);
 964
 965         if (rename(oldpath, newpath) < 0) {
 966                 FILE_OP_ERROR(oldpath, "rename");
 967                 g_free(oldpath);
 968                 g_free(newpath);
 969                 return -1;
 970         }
 971
 972         g_free(oldpath);
 973         g_free(newpath);
 974
 975         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 976                 dirname = g_dirname(item->path);
 977                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 978                 g_free(dirname);
 979         } else
 980                 newpath = g_strdup(name);
 981
 982         g_free(item->name);
 983         item->name = g_strdup(name);
 984
 985         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 986                            item);
 987         paths[0] = g_strdup(item->path);
 988         paths[1] = newpath;
 989         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 990                         mh_rename_folder_func, paths);
 991
 992         g_free(paths[0]);
 993         g_free(paths[1]);
 994         return 0;
 995 }
 996
 997 gint mh_remove_folder(Folder *folder, FolderItem *item)
 998 {
 999         gchar *path;
1000
1001         g_return_val_if_fail(folder != NULL, -1);
1002         g_return_val_if_fail(item != NULL, -1);
1003         g_return_val_if_fail(item->path != NULL, -1);
1004
1005         path = folder_item_get_path(item);
1006         if (remove_dir_recursive(path) < 0) {
1007                 g_warning("can't remove directory `%s'\n", path);
1008                 g_free(path);
1009                 return -1;
1010         }
1011
1012         g_free(path);
1013         folder_item_remove(item);
1014         return 0;
1015 }
1016
1017
1018 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
1019 {
1020         gchar *path;
1021         DIR *dp;
1022         struct dirent *d;
1023         struct stat s;
1024         GSList *newlist = NULL;
1025         GSList *last = NULL;
1026         MsgInfo *msginfo;
1027         gint n_newmsg = 0;
1028         gint num;
1029
1030         g_return_val_if_fail(item != NULL, NULL);
1031
1032         path = folder_item_get_path(item);
1033         g_return_val_if_fail(path != NULL, NULL);
1034         if (change_dir(path) < 0) {
1035                 g_free(path);
1036                 return NULL;
1037         }
1038         g_free(path);
1039
1040         if ((dp = opendir(".")) == NULL) {
1041                 FILE_OP_ERROR(item->path, "opendir");
1042                 return NULL;
1043         }
1044
1045         debug_print("\tSearching uncached messages... ");
1046
1047         if (msg_table) {
1048                 while ((d = readdir(dp)) != NULL) {
1049                         if ((num = to_number(d->d_name)) < 0) continue;
1050                         if (stat(d->d_name, &s) < 0) {
1051                                 FILE_OP_ERROR(d->d_name, "stat");
1052                                 continue;
1053                         }
1054                         if (!S_ISREG(s.st_mode)) continue;
1055
1056                         msginfo = g_hash_table_lookup
1057                                 (msg_table, GUINT_TO_POINTER(num));
1058
1059                         if (!msginfo) {
1060                                 /* not found in the cache (uncached message) */
1061                                 msginfo = mh_parse_msg(d->d_name, item);
1062                                 if (!msginfo) continue;
1063
1064                                 if (!newlist)
1065                                         last = newlist =
1066                                                 g_slist_append(NULL, msginfo);
1067                                 else {
1068                                         last = g_slist_append(last, msginfo);
1069                                         last = last->next;
1070                                 }
1071                                 n_newmsg++;
1072                         }
1073                 }
1074         } else {
1075                 /* discard all previous cache */
1076                 while ((d = readdir(dp)) != NULL) {
1077                         if (to_number(d->d_name) < 0) continue;
1078                         if (stat(d->d_name, &s) < 0) {
1079                                 FILE_OP_ERROR(d->d_name, "stat");
1080                                 continue;
1081                         }
1082                         if (!S_ISREG(s.st_mode)) continue;
1083
1084                         msginfo = mh_parse_msg(d->d_name, item);
1085                         if (!msginfo) continue;
1086
1087                         if (!newlist)
1088                                 last = newlist = g_slist_append(NULL, msginfo);
1089                         else {
1090                                 last = g_slist_append(last, msginfo);
1091                                 last = last->next;
1092                         }
1093                         n_newmsg++;
1094                 }
1095         }
1096
1097         closedir(dp);
1098
1099         if (n_newmsg)
1100                 debug_print("%d uncached message(s) found.\n", n_newmsg);
1101         else
1102                 debug_print("done.\n");
1103
1104         /* sort new messages in numerical order */
1105         if (newlist) {
1106                 debug_print("\tSorting uncached messages in numerical order... ");
1107                 newlist = g_slist_sort
1108                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
1109                 debug_print("done.\n");
1110         }
1111
1112         return newlist;
1113 }
1114
1115 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
1116 {
1117         struct stat s;
1118         MsgInfo *msginfo;
1119         MsgFlags flags;
1120
1121         flags.perm_flags = MSG_NEW|MSG_UNREAD;
1122         flags.tmp_flags = 0;
1123
1124         g_return_val_if_fail(item != NULL, NULL);
1125         g_return_val_if_fail(file != NULL, NULL);
1126
1127         if (item->stype == F_QUEUE) {
1128                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
1129         } else if (item->stype == F_DRAFT) {
1130                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
1131         }
1132
1133         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
1134         if (!msginfo) return NULL;
1135
1136         msginfo->msgnum = atoi(file);
1137         msginfo->folder = item;
1138
1139         if (stat(file, &s) < 0) {
1140                 FILE_OP_ERROR(file, "stat");
1141                 msginfo->size = 0;
1142                 msginfo->mtime = 0;
1143         } else {
1144                 msginfo->size = s.st_size;
1145                 msginfo->mtime = s.st_mtime;
1146         }
1147
1148         return msginfo;
1149 }
1150
1151 #if 0
1152 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1153 {
1154         gchar *entry;
1155         gboolean result;
1156
1157         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1158         result = is_dir_exist(entry);
1159         g_free(entry);
1160
1161         return result;
1162 }
1163
1164 /*
1165  * check whether PATH is a Maildir style mailbox.
1166  * This is the case if the 3 subdir: new, cur, tmp are existing.
1167  * This functon assumes that entry is an directory
1168  */
1169 static gboolean mh_is_maildir(const gchar *path)
1170 {
1171         return mh_is_maildir_one(path, "new") &&
1172                mh_is_maildir_one(path, "cur") &&
1173                mh_is_maildir_one(path, "tmp");
1174 }
1175 #endif
1176
1177 static void mh_scan_tree_recursive(FolderItem *item)
1178 {
1179         DIR *dp;
1180         struct dirent *d;
1181         struct stat s;
1182         gchar *entry;
1183         gint n_msg = 0;
1184
1185         g_return_if_fail(item != NULL);
1186         g_return_if_fail(item->folder != NULL);
1187
1188         dp = opendir(item->path ? item->path : ".");
1189         if (!dp) {
1190                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1191                 return;
1192         }
1193
1194         debug_print("scanning %s ...\n",
1195                     item->path ? item->path
1196                     : LOCAL_FOLDER(item->folder)->rootpath);
1197         if (item->folder->ui_func)
1198                 item->folder->ui_func(item->folder, item,
1199                                       item->folder->ui_func_data);
1200
1201         while ((d = readdir(dp)) != NULL) {
1202                 if (d->d_name[0] == '.') continue;
1203
1204                 if (item->path)
1205                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1206                                             d->d_name, NULL);
1207                 else
1208                         entry = g_strdup(d->d_name);
1209
1210                 if (stat(entry, &s) < 0) {
1211                         FILE_OP_ERROR(entry, "stat");
1212                         g_free(entry);
1213                         continue;
1214                 }
1215
1216                 if (S_ISDIR(s.st_mode)) {
1217                         FolderItem *new_item;
1218
1219 #if 0
1220                         if (mh_is_maildir(entry)) {
1221                                 g_free(entry);
1222                                 continue;
1223                         }
1224 #endif
1225
1226                         new_item = folder_item_new(item->folder, d->d_name, entry);
1227                         folder_item_append(item, new_item);
1228                         if (!item->path) {
1229                                 if (!strcmp(d->d_name, INBOX_DIR)) {
1230                                         new_item->stype = F_INBOX;
1231                                         item->folder->inbox = new_item;
1232                                 } else if (!strcmp(d->d_name, OUTBOX_DIR)) {
1233                                         new_item->stype = F_OUTBOX;
1234                                         item->folder->outbox = new_item;
1235                                 } else if (!strcmp(d->d_name, DRAFT_DIR)) {
1236                                         new_item->stype = F_DRAFT;
1237                                         item->folder->draft = new_item;
1238                                 } else if (!strcmp(d->d_name, QUEUE_DIR)) {
1239                                         new_item->stype = F_QUEUE;
1240                                         item->folder->queue = new_item;
1241                                 } else if (!strcmp(d->d_name, TRASH_DIR)) {
1242                                         new_item->stype = F_TRASH;
1243                                         item->folder->trash = new_item;
1244                                 }
1245                         }
1246                         mh_scan_tree_recursive(new_item);
1247                 } else if (to_number(d->d_name) != -1) n_msg++;
1248
1249                 g_free(entry);
1250         }
1251
1252         closedir(dp);
1253
1254 /*
1255         if (item->path) {
1256                 gint new, unread, total, min, max;
1257
1258                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
1259                                      &min, &max, 0);
1260                 if (n_msg > total) {
1261                         new += n_msg - total;
1262                         unread += n_msg - total;
1263                 }
1264                 item->new = new;
1265                 item->unread = unread;
1266                 item->total = n_msg;
1267         }
1268 */
1269 }
1270
1271 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1272 {
1273         FolderItem *item = node->data;
1274         gchar **paths = data;
1275         const gchar *oldpath = paths[0];
1276         const gchar *newpath = paths[1];
1277         gchar *base;
1278         gchar *new_itempath;
1279         gint oldpathlen;
1280
1281         oldpathlen = strlen(oldpath);
1282         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1283                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1284                 return TRUE;
1285         }
1286
1287         base = item->path + oldpathlen;
1288         while (*base == G_DIR_SEPARATOR) base++;
1289         if (*base == '\0')
1290                 new_itempath = g_strdup(newpath);
1291         else
1292                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1293                                            NULL);
1294         g_free(item->path);
1295         item->path = new_itempath;
1296
1297         return FALSE;
1298 }