src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #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 static Folder   *mh_folder_new          (const gchar    *name,
  51                                          const gchar    *path);
  52 static void     mh_folder_destroy       (Folder         *folder);
  53 static gchar   *mh_fetch_msg            (Folder         *folder,
  54                                          FolderItem     *item,
  55                                          gint            num);
  56 static MsgInfo *mh_get_msginfo          (Folder         *folder,
  57                                          FolderItem     *item,
  58                                          gint            num);
  59 static gint     mh_add_msg              (Folder         *folder,
  60                                          FolderItem     *dest,
  61                                          const gchar    *file,
  62                                          MsgFlags       *flags);
  63 static gint     mh_add_msgs             (Folder         *folder,
  64                                          FolderItem     *dest,
  65                                          GSList         *file_list,
  66                                          GRelation      *relation);
  67 static gint     mh_copy_msg             (Folder         *folder,
  68                                          FolderItem     *dest,
  69                                          MsgInfo        *msginfo);
  70 static gint     mh_remove_msg           (Folder         *folder,
  71                                          FolderItem     *item,
  72                                          gint            num);
  73 static gint     mh_remove_all_msg       (Folder         *folder,
  74                                          FolderItem     *item);
  75 static gboolean mh_is_msg_changed       (Folder         *folder,
  76                                          FolderItem     *item,
  77                                          MsgInfo        *msginfo);
  78
  79 static gint     mh_get_num_list         (Folder         *folder,
  80                                          FolderItem     *item,
  81                                          GSList         **list,
  82                                          gboolean       *old_uids_valid);
  83 static gint     mh_scan_tree            (Folder         *folder);
  84
  85 static gint    mh_create_tree           (Folder         *folder);
  86 static FolderItem *mh_create_folder     (Folder         *folder,
  87                                          FolderItem     *parent,
  88                                          const gchar    *name);
  89 static gint    mh_rename_folder         (Folder         *folder,
  90                                          FolderItem     *item,
  91                                          const gchar    *name);
  92 static gint    mh_remove_folder         (Folder         *folder,
  93                                          FolderItem     *item);
  94
  95 static gchar   *mh_get_new_msg_filename         (FolderItem     *dest);
  96
  97 static MsgInfo *mh_parse_msg                    (const gchar    *file,
  98                                                  FolderItem     *item);
  99 static void     mh_remove_missing_folder_items  (Folder         *folder);
 100 static void     mh_scan_tree_recursive          (FolderItem     *item);
 101
 102 static gboolean mh_rename_folder_func           (GNode          *node,
 103                                                  gpointer        data);
 104 static gchar   *mh_item_get_path                (Folder *folder,
 105                                                  FolderItem *item);
 106
 107 static FolderClass mh_class =
 108 {
 109         F_MH,
 110         "mh",
 111         "MH",
 112
 113         /* Folder functions */
 114         mh_folder_new,
 115         mh_folder_destroy,
 116         mh_scan_tree,
 117         mh_create_tree,
 118
 119         /* FolderItem functions */
 120         NULL,
 121         NULL,
 122         NULL,
 123         NULL,
 124         mh_item_get_path,
 125         mh_create_folder,
 126         mh_rename_folder,
 127         mh_remove_folder,
 128         NULL,
 129         mh_get_num_list,
 130         NULL,
 131         NULL,
 132         NULL,
 133         NULL,
 134
 135         /* Message functions */
 136         mh_get_msginfo,
 137         NULL,
 138         mh_fetch_msg,
 139         mh_add_msg,
 140         mh_add_msgs,
 141         mh_copy_msg,
 142         NULL,
 143         mh_remove_msg,
 144         mh_remove_all_msg,
 145         mh_is_msg_changed,
 146         NULL,
 147 };
 148
 149 FolderClass *mh_get_class(void)
 150 {
 151         return &mh_class;
 152 }
 153
 154 static Folder *mh_folder_new(const gchar *name, const gchar *path)
 155 {
 156         Folder *folder;
 157
 158         folder = (Folder *)g_new0(MHFolder, 1);
 159         folder->klass = &mh_class;
 160         mh_folder_init(folder, name, path);
 161
 162         return folder;
 163 }
 164
 165 static void mh_folder_destroy(Folder *folder)
 166 {
 167         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 168 }
 169
 170 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 171 {
 172         folder_local_folder_init(folder, name, path);
 173
 174 }
 175
 176 void mh_get_last_num(Folder *folder, FolderItem *item)
 177 {
 178         gchar *path;
 179         DIR *dp;
 180         struct dirent *d;
 181         gint max = 0;
 182         gint num;
 183
 184         g_return_if_fail(item != NULL);
 185
 186         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 187
 188         path = folder_item_get_path(item);
 189         g_return_if_fail(path != NULL);
 190         if (change_dir(path) < 0) {
 191                 g_free(path);
 192                 return;
 193         }
 194         g_free(path);
 195
 196         if ((dp = opendir(".")) == NULL) {
 197                 FILE_OP_ERROR(item->path, "opendir");
 198                 return;
 199         }
 200
 201         while ((d = readdir(dp)) != NULL) {
 202                 if ((num = to_number(d->d_name)) >= 0 &&
 203                     dirent_is_regular_file(d)) {
 204                         if (max < num)
 205                                 max = num;
 206                 }
 207         }
 208         closedir(dp);
 209
 210         debug_print("Last number in dir %s = %d\n", item->path, max);
 211         item->last_num = max;
 212 }
 213
 214 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 215 {
 216
 217         gchar *path;
 218         DIR *dp;
 219         struct dirent *d;
 220         gint num, nummsgs = 0;
 221
 222         g_return_val_if_fail(item != NULL, -1);
 223
 224         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 225
 226         *old_uids_valid = TRUE;
 227
 228         path = folder_item_get_path(item);
 229         g_return_val_if_fail(path != NULL, -1);
 230         if (change_dir(path) < 0) {
 231                 g_free(path);
 232                 return -1;
 233         }
 234         g_free(path);
 235
 236         if ((dp = opendir(".")) == NULL) {
 237                 FILE_OP_ERROR(item->path, "opendir");
 238                 return -1;
 239         }
 240
 241         while ((d = readdir(dp)) != NULL) {
 242                 if ((num = to_number(d->d_name)) >= 0) {
 243                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 244                         nummsgs++;
 245                 }
 246         }
 247         closedir(dp);
 248
 249         return nummsgs;
 250 }
 251
 252 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 253 {
 254         gchar *path;
 255         gchar *file;
 256
 257         g_return_val_if_fail(item != NULL, NULL);
 258         g_return_val_if_fail(num > 0, NULL);
 259
 260         path = folder_item_get_path(item);
 261         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 262         g_free(path);
 263         if (!is_file_exist(file)) {
 264                 g_free(file);
 265                 return NULL;
 266         }
 267
 268         return file;
 269 }
 270
 271 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 272 {
 273         MsgInfo *msginfo;
 274         gchar *file;
 275
 276         g_return_val_if_fail(item != NULL, NULL);
 277         g_return_val_if_fail(num > 0, NULL);
 278
 279         file = mh_fetch_msg(folder, item, num);
 280         if (!file) return NULL;
 281
 282         msginfo = mh_parse_msg(file, item);
 283         if (msginfo)
 284                 msginfo->msgnum = num;
 285
 286         g_free(file);
 287
 288         return msginfo;
 289 }
 290
 291 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 292 {
 293         gchar *destfile;
 294         gchar *destpath;
 295
 296         destpath = folder_item_get_path(dest);
 297         g_return_val_if_fail(destpath != NULL, NULL);
 298
 299         if (!is_dir_exist(destpath))
 300                 make_dir_hier(destpath);
 301
 302         for (;;) {
 303                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 304                                            dest->last_num + 1);
 305                 if (is_file_entry_exist(destfile)) {
 306                         dest->last_num++;
 307                         g_free(destfile);
 308                 } else
 309                         break;
 310         }
 311
 312         g_free(destpath);
 313
 314         return destfile;
 315 }
 316
 317 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 318 {
 319         gint ret;
 320         GSList file_list;
 321         MsgFileInfo fileinfo;
 322
 323         g_return_val_if_fail(file != NULL, -1);
 324
 325         fileinfo.msginfo = NULL;
 326         fileinfo.file = (gchar *)file;
 327         fileinfo.flags = flags;
 328         file_list.data = &fileinfo;
 329         file_list.next = NULL;
 330
 331         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 332         return ret;
 333 }
 334
 335 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 336                  GRelation *relation)
 337 {
 338         gchar *destfile;
 339         GSList *cur;
 340         MsgFileInfo *fileinfo;
 341
 342         g_return_val_if_fail(dest != NULL, -1);
 343         g_return_val_if_fail(file_list != NULL, -1);
 344
 345         if (dest->last_num < 0) {
 346                 mh_get_last_num(folder, dest);
 347                 if (dest->last_num < 0) return -1;
 348         }
 349
 350         for (cur = file_list; cur != NULL; cur = cur->next) {
 351                 fileinfo = (MsgFileInfo *)cur->data;
 352
 353                 destfile = mh_get_new_msg_filename(dest);
 354                 if (destfile == NULL) return -1;
 355
 356                 if (link(fileinfo->file, destfile) < 0) {
 357                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 358                                 g_warning(_("can't copy message %s to %s\n"),
 359                                           fileinfo->file, destfile);
 360                                 g_free(destfile);
 361                                 return -1;
 362                         }
 363                 }
 364                 if (relation != NULL)
 365                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 366                 g_free(destfile);
 367                 dest->last_num++;
 368         }
 369
 370         return dest->last_num;
 371 }
 372
 373 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 374 {
 375         gchar *srcfile;
 376         gchar *destfile;
 377         gint filemode = 0;
 378         FolderItemPrefs *prefs;
 379
 380         g_return_val_if_fail(dest != NULL, -1);
 381         g_return_val_if_fail(msginfo != NULL, -1);
 382
 383         if (msginfo->folder == dest) {
 384                 g_warning("the src folder is identical to the dest.\n");
 385                 return -1;
 386         }
 387
 388         if (dest->last_num < 0) {
 389                 mh_get_last_num(folder, dest);
 390                 if (dest->last_num < 0) return -1;
 391         }
 392
 393         prefs = dest->prefs;
 394
 395         srcfile = procmsg_get_message_file(msginfo);
 396         destfile = mh_get_new_msg_filename(dest);
 397         if (!destfile) {
 398                 g_free(srcfile);
 399                 return -1;
 400         }
 401
 402         debug_print("Copying message %s%c%d to %s ...\n",
 403                     msginfo->folder->path, G_DIR_SEPARATOR,
 404                     msginfo->msgnum, dest->path);
 405
 406
 407         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 408         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 409                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 410                         g_free(srcfile);
 411                         g_free(destfile);
 412                         return -1;
 413                 }
 414         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 415                 FILE_OP_ERROR(srcfile, "copy");
 416                 g_free(srcfile);
 417                 g_free(destfile);
 418                 return -1;
 419         }
 420
 421
 422         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 423                 if (chmod(destfile, prefs->folder_chmod) < 0)
 424                         FILE_OP_ERROR(destfile, "chmod");
 425
 426                 /* for mark file */
 427                 filemode = prefs->folder_chmod;
 428                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 429                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 430         }
 431
 432         g_free(srcfile);
 433         g_free(destfile);
 434         dest->last_num++;
 435
 436         return dest->last_num;
 437 }
 438
 439 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 440 {
 441         gchar *file;
 442
 443         g_return_val_if_fail(item != NULL, -1);
 444
 445         file = mh_fetch_msg(folder, item, num);
 446         g_return_val_if_fail(file != NULL, -1);
 447
 448         if (unlink(file) < 0) {
 449                 FILE_OP_ERROR(file, "unlink");
 450                 g_free(file);
 451                 return -1;
 452         }
 453
 454         g_free(file);
 455         return 0;
 456 }
 457
 458 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 459 {
 460         gchar *path;
 461         gint val;
 462
 463         g_return_val_if_fail(item != NULL, -1);
 464
 465         path = folder_item_get_path(item);
 466         g_return_val_if_fail(path != NULL, -1);
 467         val = remove_all_numbered_files(path);
 468         g_free(path);
 469
 470         return val;
 471 }
 472
 473 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 474                                   MsgInfo *msginfo)
 475 {
 476         struct stat s;
 477
 478         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 479             msginfo->size  != s.st_size ||
 480             msginfo->mtime != s.st_mtime)
 481                 return TRUE;
 482
 483         return FALSE;
 484 }
 485
 486 static gint mh_scan_tree(Folder *folder)
 487 {
 488         FolderItem *item;
 489         gchar *rootpath;
 490
 491         g_return_val_if_fail(folder != NULL, -1);
 492
 493         if (!folder->node) {
 494                 item = folder_item_new(folder, folder->name, NULL);
 495                 item->folder = folder;
 496                 folder->node = item->node = g_node_new(item);
 497         } else
 498                 item = FOLDER_ITEM(folder->node->data);
 499
 500         rootpath = folder_item_get_path(item);
 501         if (change_dir(rootpath) < 0) {
 502                 g_free(rootpath);
 503                 return -1;
 504         }
 505         g_free(rootpath);
 506
 507         mh_create_tree(folder);
 508         mh_remove_missing_folder_items(folder);
 509         mh_scan_tree_recursive(item);
 510
 511         return 0;
 512 }
 513
 514 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 515 { \
 516         if (!is_dir_exist(dir)) { \
 517                 if (is_file_exist(dir)) { \
 518                         g_warning("File `%s' already exists.\n" \
 519                                     "Can't create folder.", dir); \
 520                         return -1; \
 521                 } \
 522                 if (make_dir(dir) < 0) \
 523                         return -1; \
 524         } \
 525 }
 526
 527 static gint mh_create_tree(Folder *folder)
 528 {
 529         gchar *rootpath;
 530
 531         g_return_val_if_fail(folder != NULL, -1);
 532
 533         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 534         rootpath = LOCAL_FOLDER(folder)->rootpath;
 535         MAKE_DIR_IF_NOT_EXIST(rootpath);
 536         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 537         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 538         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 539         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 540         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 541         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 542
 543         return 0;
 544 }
 545
 546 #undef MAKE_DIR_IF_NOT_EXIST
 547
 548 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 549 {
 550         gchar *folder_path, *path;
 551
 552         g_return_val_if_fail(folder != NULL, NULL);
 553         g_return_val_if_fail(item != NULL, NULL);
 554
 555         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 556         g_return_val_if_fail(folder_path != NULL, NULL);
 557
 558         if (folder_path[0] == G_DIR_SEPARATOR) {
 559                 if (item->path)
 560                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 561                                            item->path, NULL);
 562                 else
 563                         path = g_strdup(folder_path);
 564         } else {
 565                 if (item->path)
 566                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 567                                            folder_path, G_DIR_SEPARATOR_S,
 568                                            item->path, NULL);
 569                 else
 570                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 571                                            folder_path, NULL);
 572         }
 573         g_free(folder_path);
 574
 575         return path;
 576 }
 577
 578 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 579                                     const gchar *name)
 580 {
 581         gchar *path;
 582         gchar *fullpath;
 583         FolderItem *new_item;
 584         gchar *mh_sequences_filename;
 585         FILE *mh_sequences_file;
 586
 587         g_return_val_if_fail(folder != NULL, NULL);
 588         g_return_val_if_fail(parent != NULL, NULL);
 589         g_return_val_if_fail(name != NULL, NULL);
 590
 591         path = folder_item_get_path(parent);
 592         if (!is_dir_exist(path))
 593                 if (make_dir_hier(path) != 0)
 594                         return NULL;
 595
 596         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 597         g_free(path);
 598
 599         if (make_dir(fullpath) < 0) {
 600                 g_free(fullpath);
 601                 return NULL;
 602         }
 603
 604         g_free(fullpath);
 605
 606         if (parent->path)
 607                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 608                                    NULL);
 609         else
 610                 path = g_strdup(name);
 611         new_item = folder_item_new(folder, name, path);
 612         folder_item_append(parent, new_item);
 613
 614         g_free(path);
 615
 616         path = folder_item_get_path(new_item);
 617         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 618                                             ".mh_sequences", NULL);
 619         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 620                 fclose(mh_sequences_file);
 621         }
 622         g_free(mh_sequences_filename);
 623         g_free(path);
 624
 625         return new_item;
 626 }
 627
 628 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 629                              const gchar *name)
 630 {
 631         gchar *oldpath;
 632         gchar *dirname;
 633         gchar *newpath;
 634         gchar *paths[2];
 635
 636         g_return_val_if_fail(folder != NULL, -1);
 637         g_return_val_if_fail(item != NULL, -1);
 638         g_return_val_if_fail(item->path != NULL, -1);
 639         g_return_val_if_fail(name != NULL, -1);
 640
 641         oldpath = folder_item_get_path(item);
 642         if (!is_dir_exist(oldpath))
 643                 make_dir_hier(oldpath);
 644
 645         dirname = g_dirname(oldpath);
 646         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 647         g_free(dirname);
 648
 649         if (rename(oldpath, newpath) < 0) {
 650                 FILE_OP_ERROR(oldpath, "rename");
 651                 g_free(oldpath);
 652                 g_free(newpath);
 653                 return -1;
 654         }
 655
 656         g_free(oldpath);
 657         g_free(newpath);
 658
 659         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 660                 dirname = g_dirname(item->path);
 661                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 662                 g_free(dirname);
 663         } else
 664                 newpath = g_strdup(name);
 665
 666         g_free(item->name);
 667         item->name = g_strdup(name);
 668
 669         paths[0] = g_strdup(item->path);
 670         paths[1] = newpath;
 671         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 672                         mh_rename_folder_func, paths);
 673
 674         g_free(paths[0]);
 675         g_free(paths[1]);
 676         return 0;
 677 }
 678
 679 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 680 {
 681         gchar *path;
 682
 683         g_return_val_if_fail(folder != NULL, -1);
 684         g_return_val_if_fail(item != NULL, -1);
 685         g_return_val_if_fail(item->path != NULL, -1);
 686
 687         path = folder_item_get_path(item);
 688         if (remove_dir_recursive(path) < 0) {
 689                 g_warning("can't remove directory `%s'\n", path);
 690                 g_free(path);
 691                 return -1;
 692         }
 693
 694         g_free(path);
 695         folder_item_remove(item);
 696         return 0;
 697 }
 698
 699 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 700 {
 701         struct stat s;
 702         MsgInfo *msginfo;
 703         MsgFlags flags;
 704
 705         g_return_val_if_fail(item != NULL, NULL);
 706         g_return_val_if_fail(file != NULL, NULL);
 707
 708         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 709         flags.tmp_flags = 0;
 710
 711         if (item->stype == F_QUEUE) {
 712                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 713         } else if (item->stype == F_DRAFT) {
 714                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 715         }
 716
 717         if (stat(file, &s) < 0) {
 718                 FILE_OP_ERROR(file, "stat");
 719                 return NULL;
 720         }
 721         if (!S_ISREG(s.st_mode))
 722                 return NULL;
 723
 724         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 725         if (!msginfo) return NULL;
 726
 727         msginfo->msgnum = atoi(file);
 728         msginfo->folder = item;
 729         msginfo->size = s.st_size;
 730         msginfo->mtime = s.st_mtime;
 731
 732         return msginfo;
 733 }
 734
 735 #if 0
 736 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 737 {
 738         gchar *entry;
 739         gboolean result;
 740
 741         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 742         result = is_dir_exist(entry);
 743         g_free(entry);
 744
 745         return result;
 746 }
 747
 748 /*
 749  * check whether PATH is a Maildir style mailbox.
 750  * This is the case if the 3 subdir: new, cur, tmp are existing.
 751  * This functon assumes that entry is an directory
 752  */
 753 static gboolean mh_is_maildir(const gchar *path)
 754 {
 755         return mh_is_maildir_one(path, "new") &&
 756                mh_is_maildir_one(path, "cur") &&
 757                mh_is_maildir_one(path, "tmp");
 758 }
 759 #endif
 760
 761 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 762 {
 763         FolderItem *item;
 764         gchar *path;
 765
 766         g_return_val_if_fail(node->data != NULL, FALSE);
 767
 768         if (G_NODE_IS_ROOT(node))
 769                 return FALSE;
 770
 771         item = FOLDER_ITEM(node->data);
 772
 773         path = folder_item_get_path(item);
 774         if (!is_dir_exist(path)) {
 775                 debug_print("folder '%s' not found. removing...\n", path);
 776                 folder_item_remove(item);
 777         }
 778         g_free(path);
 779
 780         return FALSE;
 781 }
 782
 783 static void mh_remove_missing_folder_items(Folder *folder)
 784 {
 785         g_return_if_fail(folder != NULL);
 786
 787         debug_print("searching missing folders...\n");
 788
 789         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 790                         mh_remove_missing_folder_items_func, folder);
 791 }
 792
 793 static void mh_scan_tree_recursive(FolderItem *item)
 794 {
 795         Folder *folder;
 796         DIR *dp;
 797         struct dirent *d;
 798         struct stat s;
 799         gchar *entry;
 800         gint n_msg = 0;
 801
 802         g_return_if_fail(item != NULL);
 803         g_return_if_fail(item->folder != NULL);
 804
 805         folder = item->folder;
 806
 807         dp = opendir(item->path ? item->path : ".");
 808         if (!dp) {
 809                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
 810                 return;
 811         }
 812
 813         debug_print("scanning %s ...\n",
 814                     item->path ? item->path
 815                     : LOCAL_FOLDER(item->folder)->rootpath);
 816         if (folder->ui_func)
 817                 folder->ui_func(folder, item, folder->ui_func_data);
 818
 819         while ((d = readdir(dp)) != NULL) {
 820                 if (d->d_name[0] == '.') continue;
 821
 822                 if (item->path)
 823                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 824                                             d->d_name, NULL);
 825                 else
 826                         entry = g_strdup(d->d_name);
 827
 828                 if (
 829 #ifdef HAVE_DIRENT_D_TYPE
 830                         d->d_type == DT_DIR ||
 831                         (d->d_type == DT_UNKNOWN &&
 832 #endif
 833                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 834 #ifdef HAVE_DIRENT_D_TYPE
 835                         )
 836 #endif
 837                    ) {
 838                         FolderItem *new_item = NULL;
 839                         GNode *node;
 840
 841 #if 0
 842                         if (mh_is_maildir(entry)) {
 843                                 g_free(entry);
 844                                 continue;
 845                         }
 846 #endif
 847
 848                         node = item->node;
 849                         for (node = node->children; node != NULL; node = node->next) {
 850                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 851                                 if (!strcmp2(cur_item->path, entry)) {
 852                                         new_item = cur_item;
 853                                         break;
 854                                 }
 855                         }
 856                         if (!new_item) {
 857                                 debug_print("new folder '%s' found.\n", entry);
 858                                 new_item = folder_item_new(folder, d->d_name, entry);
 859                                 folder_item_append(item, new_item);
 860                         }
 861
 862                         if (!item->path) {
 863                                 if (!folder->inbox &&
 864                                     !strcmp(d->d_name, INBOX_DIR)) {
 865                                         new_item->stype = F_INBOX;
 866                                         folder->inbox = new_item;
 867                                 } else if (!folder->outbox &&
 868                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 869                                         new_item->stype = F_OUTBOX;
 870                                         folder->outbox = new_item;
 871                                 } else if (!folder->draft &&
 872                                            !strcmp(d->d_name, DRAFT_DIR)) {
 873                                         new_item->stype = F_DRAFT;
 874                                         folder->draft = new_item;
 875                                 } else if (!folder->queue &&
 876                                            !strcmp(d->d_name, QUEUE_DIR)) {
 877                                         new_item->stype = F_QUEUE;
 878                                         folder->queue = new_item;
 879                                 } else if (!folder->trash &&
 880                                            !strcmp(d->d_name, TRASH_DIR)) {
 881                                         new_item->stype = F_TRASH;
 882                                         folder->trash = new_item;
 883                                 }
 884                         }
 885
 886                         mh_scan_tree_recursive(new_item);
 887                 } else if (to_number(d->d_name) != -1) n_msg++;
 888
 889                 g_free(entry);
 890         }
 891
 892         closedir(dp);
 893
 894 /*
 895         if (item->path) {
 896                 gint new, unread, total, min, max;
 897
 898                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 899                                      &min, &max, 0);
 900                 if (n_msg > total) {
 901                         new += n_msg - total;
 902                         unread += n_msg - total;
 903                 }
 904                 item->new = new;
 905                 item->unread = unread;
 906                 item->total = n_msg;
 907         }
 908 */
 909 }
 910
 911 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 912 {
 913         FolderItem *item = node->data;
 914         gchar **paths = data;
 915         const gchar *oldpath = paths[0];
 916         const gchar *newpath = paths[1];
 917         gchar *base;
 918         gchar *new_itempath;
 919         gint oldpathlen;
 920
 921         oldpathlen = strlen(oldpath);
 922         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 923                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 924                 return TRUE;
 925         }
 926
 927         base = item->path + oldpathlen;
 928         while (*base == G_DIR_SEPARATOR) base++;
 929         if (*base == '\0')
 930                 new_itempath = g_strdup(newpath);
 931         else
 932                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 933                                            NULL);
 934         g_free(item->path);
 935         item->path = new_itempath;
 936
 937         return FALSE;
 938 }