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