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         folder_local_set_xml,
 117         folder_local_get_xml,
 118         mh_scan_tree,
 119         mh_create_tree,
 120
 121         /* FolderItem functions */
 122         NULL,
 123         NULL,
 124         NULL,
 125         NULL,
 126         mh_item_get_path,
 127         mh_create_folder,
 128         mh_rename_folder,
 129         mh_remove_folder,
 130         NULL,
 131         mh_get_num_list,
 132         NULL,
 133         NULL,
 134         NULL,
 135         NULL,
 136
 137         /* Message functions */
 138         mh_get_msginfo,
 139         NULL,
 140         mh_fetch_msg,
 141         mh_add_msg,
 142         mh_add_msgs,
 143         mh_copy_msg,
 144         NULL,
 145         mh_remove_msg,
 146         mh_remove_all_msg,
 147         mh_is_msg_changed,
 148         NULL,
 149 };
 150
 151 FolderClass *mh_get_class(void)
 152 {
 153         return &mh_class;
 154 }
 155
 156 static Folder *mh_folder_new(const gchar *name, const gchar *path)
 157 {
 158         Folder *folder;
 159
 160         folder = (Folder *)g_new0(MHFolder, 1);
 161         folder->klass = &mh_class;
 162         mh_folder_init(folder, name, path);
 163
 164         return folder;
 165 }
 166
 167 static void mh_folder_destroy(Folder *folder)
 168 {
 169         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 170 }
 171
 172 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 173 {
 174         folder_local_folder_init(folder, name, path);
 175
 176 }
 177
 178 void mh_get_last_num(Folder *folder, FolderItem *item)
 179 {
 180         gchar *path;
 181         DIR *dp;
 182         struct dirent *d;
 183         gint max = 0;
 184         gint num;
 185
 186         g_return_if_fail(item != NULL);
 187
 188         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 189
 190         path = folder_item_get_path(item);
 191         g_return_if_fail(path != NULL);
 192         if (change_dir(path) < 0) {
 193                 g_free(path);
 194                 return;
 195         }
 196         g_free(path);
 197
 198         if ((dp = opendir(".")) == NULL) {
 199                 FILE_OP_ERROR(item->path, "opendir");
 200                 return;
 201         }
 202
 203         while ((d = readdir(dp)) != NULL) {
 204                 if ((num = to_number(d->d_name)) >= 0 &&
 205                     dirent_is_regular_file(d)) {
 206                         if (max < num)
 207                                 max = num;
 208                 }
 209         }
 210         closedir(dp);
 211
 212         debug_print("Last number in dir %s = %d\n", item->path, max);
 213         item->last_num = max;
 214 }
 215
 216 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 217 {
 218
 219         gchar *path;
 220         DIR *dp;
 221         struct dirent *d;
 222         gint num, nummsgs = 0;
 223
 224         g_return_val_if_fail(item != NULL, -1);
 225
 226         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 227
 228         *old_uids_valid = TRUE;
 229
 230         path = folder_item_get_path(item);
 231         g_return_val_if_fail(path != NULL, -1);
 232         if (change_dir(path) < 0) {
 233                 g_free(path);
 234                 return -1;
 235         }
 236         g_free(path);
 237
 238         if ((dp = opendir(".")) == NULL) {
 239                 FILE_OP_ERROR(item->path, "opendir");
 240                 return -1;
 241         }
 242
 243         while ((d = readdir(dp)) != NULL) {
 244                 if ((num = to_number(d->d_name)) >= 0) {
 245                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 246                         nummsgs++;
 247                 }
 248         }
 249         closedir(dp);
 250
 251         return nummsgs;
 252 }
 253
 254 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 255 {
 256         gchar *path;
 257         gchar *file;
 258
 259         g_return_val_if_fail(item != NULL, NULL);
 260         g_return_val_if_fail(num > 0, NULL);
 261
 262         path = folder_item_get_path(item);
 263         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 264         g_free(path);
 265         if (!is_file_exist(file)) {
 266                 g_free(file);
 267                 return NULL;
 268         }
 269
 270         return file;
 271 }
 272
 273 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 274 {
 275         MsgInfo *msginfo;
 276         gchar *file;
 277
 278         g_return_val_if_fail(item != NULL, NULL);
 279         g_return_val_if_fail(num > 0, NULL);
 280
 281         file = mh_fetch_msg(folder, item, num);
 282         if (!file) return NULL;
 283
 284         msginfo = mh_parse_msg(file, item);
 285         if (msginfo)
 286                 msginfo->msgnum = num;
 287
 288         g_free(file);
 289
 290         return msginfo;
 291 }
 292
 293 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 294 {
 295         gchar *destfile;
 296         gchar *destpath;
 297
 298         destpath = folder_item_get_path(dest);
 299         g_return_val_if_fail(destpath != NULL, NULL);
 300
 301         if (!is_dir_exist(destpath))
 302                 make_dir_hier(destpath);
 303
 304         for (;;) {
 305                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 306                                            dest->last_num + 1);
 307                 if (is_file_entry_exist(destfile)) {
 308                         dest->last_num++;
 309                         g_free(destfile);
 310                 } else
 311                         break;
 312         }
 313
 314         g_free(destpath);
 315
 316         return destfile;
 317 }
 318
 319 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 320 {
 321         gint ret;
 322         GSList file_list;
 323         MsgFileInfo fileinfo;
 324
 325         g_return_val_if_fail(file != NULL, -1);
 326
 327         fileinfo.msginfo = NULL;
 328         fileinfo.file = (gchar *)file;
 329         fileinfo.flags = flags;
 330         file_list.data = &fileinfo;
 331         file_list.next = NULL;
 332
 333         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 334         return ret;
 335 }
 336
 337 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 338                  GRelation *relation)
 339 {
 340         gchar *destfile;
 341         GSList *cur;
 342         MsgFileInfo *fileinfo;
 343
 344         g_return_val_if_fail(dest != NULL, -1);
 345         g_return_val_if_fail(file_list != NULL, -1);
 346
 347         if (dest->last_num < 0) {
 348                 mh_get_last_num(folder, dest);
 349                 if (dest->last_num < 0) return -1;
 350         }
 351
 352         for (cur = file_list; cur != NULL; cur = cur->next) {
 353                 fileinfo = (MsgFileInfo *)cur->data;
 354
 355                 destfile = mh_get_new_msg_filename(dest);
 356                 if (destfile == NULL) return -1;
 357
 358                 if (link(fileinfo->file, destfile) < 0) {
 359                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 360                                 g_warning(_("can't copy message %s to %s\n"),
 361                                           fileinfo->file, destfile);
 362                                 g_free(destfile);
 363                                 return -1;
 364                         }
 365                 }
 366                 if (relation != NULL)
 367                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 368                 g_free(destfile);
 369                 dest->last_num++;
 370         }
 371
 372         return dest->last_num;
 373 }
 374
 375 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 376 {
 377         gchar *srcfile;
 378         gchar *destfile;
 379         gint filemode = 0;
 380         FolderItemPrefs *prefs;
 381
 382         g_return_val_if_fail(dest != NULL, -1);
 383         g_return_val_if_fail(msginfo != NULL, -1);
 384
 385         if (msginfo->folder == dest) {
 386                 g_warning("the src folder is identical to the dest.\n");
 387                 return -1;
 388         }
 389
 390         if (dest->last_num < 0) {
 391                 mh_get_last_num(folder, dest);
 392                 if (dest->last_num < 0) return -1;
 393         }
 394
 395         prefs = dest->prefs;
 396
 397         srcfile = procmsg_get_message_file(msginfo);
 398         destfile = mh_get_new_msg_filename(dest);
 399         if (!destfile) {
 400                 g_free(srcfile);
 401                 return -1;
 402         }
 403
 404         debug_print("Copying message %s%c%d to %s ...\n",
 405                     msginfo->folder->path, G_DIR_SEPARATOR,
 406                     msginfo->msgnum, dest->path);
 407
 408
 409         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 410         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 411                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 412                         g_free(srcfile);
 413                         g_free(destfile);
 414                         return -1;
 415                 }
 416         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 417                 FILE_OP_ERROR(srcfile, "copy");
 418                 g_free(srcfile);
 419                 g_free(destfile);
 420                 return -1;
 421         }
 422
 423
 424         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 425                 if (chmod(destfile, prefs->folder_chmod) < 0)
 426                         FILE_OP_ERROR(destfile, "chmod");
 427
 428                 /* for mark file */
 429                 filemode = prefs->folder_chmod;
 430                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 431                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 432         }
 433
 434         g_free(srcfile);
 435         g_free(destfile);
 436         dest->last_num++;
 437
 438         return dest->last_num;
 439 }
 440
 441 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 442 {
 443         gchar *file;
 444
 445         g_return_val_if_fail(item != NULL, -1);
 446
 447         file = mh_fetch_msg(folder, item, num);
 448         g_return_val_if_fail(file != NULL, -1);
 449
 450         if (unlink(file) < 0) {
 451                 FILE_OP_ERROR(file, "unlink");
 452                 g_free(file);
 453                 return -1;
 454         }
 455
 456         g_free(file);
 457         return 0;
 458 }
 459
 460 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 461 {
 462         gchar *path;
 463         gint val;
 464
 465         g_return_val_if_fail(item != NULL, -1);
 466
 467         path = folder_item_get_path(item);
 468         g_return_val_if_fail(path != NULL, -1);
 469         val = remove_all_numbered_files(path);
 470         g_free(path);
 471
 472         return val;
 473 }
 474
 475 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 476                                   MsgInfo *msginfo)
 477 {
 478         struct stat s;
 479
 480         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 481             msginfo->size  != s.st_size ||
 482             msginfo->mtime != s.st_mtime)
 483                 return TRUE;
 484
 485         return FALSE;
 486 }
 487
 488 static gint mh_scan_tree(Folder *folder)
 489 {
 490         FolderItem *item;
 491         gchar *rootpath;
 492
 493         g_return_val_if_fail(folder != NULL, -1);
 494
 495         if (!folder->node) {
 496                 item = folder_item_new(folder, folder->name, NULL);
 497                 item->folder = folder;
 498                 folder->node = item->node = g_node_new(item);
 499         } else
 500                 item = FOLDER_ITEM(folder->node->data);
 501
 502         rootpath = folder_item_get_path(item);
 503         if (change_dir(rootpath) < 0) {
 504                 g_free(rootpath);
 505                 return -1;
 506         }
 507         g_free(rootpath);
 508
 509         mh_create_tree(folder);
 510         mh_remove_missing_folder_items(folder);
 511         mh_scan_tree_recursive(item);
 512
 513         return 0;
 514 }
 515
 516 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 517 { \
 518         if (!is_dir_exist(dir)) { \
 519                 if (is_file_exist(dir)) { \
 520                         g_warning("File `%s' already exists.\n" \
 521                                     "Can't create folder.", dir); \
 522                         return -1; \
 523                 } \
 524                 if (make_dir(dir) < 0) \
 525                         return -1; \
 526         } \
 527 }
 528
 529 static gint mh_create_tree(Folder *folder)
 530 {
 531         gchar *rootpath;
 532
 533         g_return_val_if_fail(folder != NULL, -1);
 534
 535         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 536         rootpath = LOCAL_FOLDER(folder)->rootpath;
 537         MAKE_DIR_IF_NOT_EXIST(rootpath);
 538         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 539         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 540         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 541         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 542         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 543         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 544
 545         return 0;
 546 }
 547
 548 #undef MAKE_DIR_IF_NOT_EXIST
 549
 550 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 551 {
 552         gchar *folder_path, *path;
 553
 554         g_return_val_if_fail(folder != NULL, NULL);
 555         g_return_val_if_fail(item != NULL, NULL);
 556
 557         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 558         g_return_val_if_fail(folder_path != NULL, NULL);
 559
 560         if (folder_path[0] == G_DIR_SEPARATOR) {
 561                 if (item->path)
 562                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 563                                            item->path, NULL);
 564                 else
 565                         path = g_strdup(folder_path);
 566         } else {
 567                 if (item->path)
 568                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 569                                            folder_path, G_DIR_SEPARATOR_S,
 570                                            item->path, NULL);
 571                 else
 572                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 573                                            folder_path, NULL);
 574         }
 575         g_free(folder_path);
 576
 577         return path;
 578 }
 579
 580 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 581                                     const gchar *name)
 582 {
 583         gchar *path;
 584         gchar *fullpath;
 585         FolderItem *new_item;
 586         gchar *mh_sequences_filename;
 587         FILE *mh_sequences_file;
 588
 589         g_return_val_if_fail(folder != NULL, NULL);
 590         g_return_val_if_fail(parent != NULL, NULL);
 591         g_return_val_if_fail(name != NULL, NULL);
 592
 593         path = folder_item_get_path(parent);
 594         if (!is_dir_exist(path))
 595                 if (make_dir_hier(path) != 0)
 596                         return NULL;
 597
 598         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 599         g_free(path);
 600
 601         if (make_dir(fullpath) < 0) {
 602                 g_free(fullpath);
 603                 return NULL;
 604         }
 605
 606         g_free(fullpath);
 607
 608         if (parent->path)
 609                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 610                                    NULL);
 611         else
 612                 path = g_strdup(name);
 613         new_item = folder_item_new(folder, name, path);
 614         folder_item_append(parent, new_item);
 615
 616         g_free(path);
 617
 618         path = folder_item_get_path(new_item);
 619         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 620                                             ".mh_sequences", NULL);
 621         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 622                 fclose(mh_sequences_file);
 623         }
 624         g_free(mh_sequences_filename);
 625         g_free(path);
 626
 627         return new_item;
 628 }
 629
 630 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 631                              const gchar *name)
 632 {
 633         gchar *oldpath;
 634         gchar *dirname;
 635         gchar *newpath;
 636         gchar *paths[2];
 637
 638         g_return_val_if_fail(folder != NULL, -1);
 639         g_return_val_if_fail(item != NULL, -1);
 640         g_return_val_if_fail(item->path != NULL, -1);
 641         g_return_val_if_fail(name != NULL, -1);
 642
 643         oldpath = folder_item_get_path(item);
 644         if (!is_dir_exist(oldpath))
 645                 make_dir_hier(oldpath);
 646
 647         dirname = g_dirname(oldpath);
 648         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 649         g_free(dirname);
 650
 651         if (rename(oldpath, newpath) < 0) {
 652                 FILE_OP_ERROR(oldpath, "rename");
 653                 g_free(oldpath);
 654                 g_free(newpath);
 655                 return -1;
 656         }
 657
 658         g_free(oldpath);
 659         g_free(newpath);
 660
 661         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 662                 dirname = g_dirname(item->path);
 663                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 664                 g_free(dirname);
 665         } else
 666                 newpath = g_strdup(name);
 667
 668         g_free(item->name);
 669         item->name = g_strdup(name);
 670
 671         paths[0] = g_strdup(item->path);
 672         paths[1] = newpath;
 673         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 674                         mh_rename_folder_func, paths);
 675
 676         g_free(paths[0]);
 677         g_free(paths[1]);
 678         return 0;
 679 }
 680
 681 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 682 {
 683         gchar *path;
 684
 685         g_return_val_if_fail(folder != NULL, -1);
 686         g_return_val_if_fail(item != NULL, -1);
 687         g_return_val_if_fail(item->path != NULL, -1);
 688
 689         path = folder_item_get_path(item);
 690         if (remove_dir_recursive(path) < 0) {
 691                 g_warning("can't remove directory `%s'\n", path);
 692                 g_free(path);
 693                 return -1;
 694         }
 695
 696         g_free(path);
 697         folder_item_remove(item);
 698         return 0;
 699 }
 700
 701 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 702 {
 703         struct stat s;
 704         MsgInfo *msginfo;
 705         MsgFlags flags;
 706
 707         g_return_val_if_fail(item != NULL, NULL);
 708         g_return_val_if_fail(file != NULL, NULL);
 709
 710         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 711         flags.tmp_flags = 0;
 712
 713         if (item->stype == F_QUEUE) {
 714                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 715         } else if (item->stype == F_DRAFT) {
 716                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 717         }
 718
 719         if (stat(file, &s) < 0) {
 720                 FILE_OP_ERROR(file, "stat");
 721                 return NULL;
 722         }
 723         if (!S_ISREG(s.st_mode))
 724                 return NULL;
 725
 726         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 727         if (!msginfo) return NULL;
 728
 729         msginfo->msgnum = atoi(file);
 730         msginfo->folder = item;
 731         msginfo->size = s.st_size;
 732         msginfo->mtime = s.st_mtime;
 733
 734         return msginfo;
 735 }
 736
 737 #if 0
 738 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 739 {
 740         gchar *entry;
 741         gboolean result;
 742
 743         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 744         result = is_dir_exist(entry);
 745         g_free(entry);
 746
 747         return result;
 748 }
 749
 750 /*
 751  * check whether PATH is a Maildir style mailbox.
 752  * This is the case if the 3 subdir: new, cur, tmp are existing.
 753  * This functon assumes that entry is an directory
 754  */
 755 static gboolean mh_is_maildir(const gchar *path)
 756 {
 757         return mh_is_maildir_one(path, "new") &&
 758                mh_is_maildir_one(path, "cur") &&
 759                mh_is_maildir_one(path, "tmp");
 760 }
 761 #endif
 762
 763 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 764 {
 765         FolderItem *item;
 766         gchar *path;
 767
 768         g_return_val_if_fail(node->data != NULL, FALSE);
 769
 770         if (G_NODE_IS_ROOT(node))
 771                 return FALSE;
 772
 773         item = FOLDER_ITEM(node->data);
 774
 775         path = folder_item_get_path(item);
 776         if (!is_dir_exist(path)) {
 777                 debug_print("folder '%s' not found. removing...\n", path);
 778                 folder_item_remove(item);
 779         }
 780         g_free(path);
 781
 782         return FALSE;
 783 }
 784
 785 static void mh_remove_missing_folder_items(Folder *folder)
 786 {
 787         g_return_if_fail(folder != NULL);
 788
 789         debug_print("searching missing folders...\n");
 790
 791         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 792                         mh_remove_missing_folder_items_func, folder);
 793 }
 794
 795 static void mh_scan_tree_recursive(FolderItem *item)
 796 {
 797         Folder *folder;
 798         DIR *dp;
 799         struct dirent *d;
 800         struct stat s;
 801         gchar *entry;
 802         gint n_msg = 0;
 803
 804         g_return_if_fail(item != NULL);
 805         g_return_if_fail(item->folder != NULL);
 806
 807         folder = item->folder;
 808
 809         dp = opendir(item->path ? item->path : ".");
 810         if (!dp) {
 811                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
 812                 return;
 813         }
 814
 815         debug_print("scanning %s ...\n",
 816                     item->path ? item->path
 817                     : LOCAL_FOLDER(item->folder)->rootpath);
 818         if (folder->ui_func)
 819                 folder->ui_func(folder, item, folder->ui_func_data);
 820
 821         while ((d = readdir(dp)) != NULL) {
 822                 if (d->d_name[0] == '.') continue;
 823
 824                 if (item->path)
 825                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 826                                             d->d_name, NULL);
 827                 else
 828                         entry = g_strdup(d->d_name);
 829
 830                 if (
 831 #ifdef HAVE_DIRENT_D_TYPE
 832                         d->d_type == DT_DIR ||
 833                         (d->d_type == DT_UNKNOWN &&
 834 #endif
 835                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 836 #ifdef HAVE_DIRENT_D_TYPE
 837                         )
 838 #endif
 839                    ) {
 840                         FolderItem *new_item = NULL;
 841                         GNode *node;
 842
 843 #if 0
 844                         if (mh_is_maildir(entry)) {
 845                                 g_free(entry);
 846                                 continue;
 847                         }
 848 #endif
 849
 850                         node = item->node;
 851                         for (node = node->children; node != NULL; node = node->next) {
 852                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 853                                 if (!strcmp2(cur_item->path, entry)) {
 854                                         new_item = cur_item;
 855                                         break;
 856                                 }
 857                         }
 858                         if (!new_item) {
 859                                 debug_print("new folder '%s' found.\n", entry);
 860                                 new_item = folder_item_new(folder, d->d_name, entry);
 861                                 folder_item_append(item, new_item);
 862                         }
 863
 864                         if (!item->path) {
 865                                 if (!folder->inbox &&
 866                                     !strcmp(d->d_name, INBOX_DIR)) {
 867                                         new_item->stype = F_INBOX;
 868                                         folder->inbox = new_item;
 869                                 } else if (!folder->outbox &&
 870                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 871                                         new_item->stype = F_OUTBOX;
 872                                         folder->outbox = new_item;
 873                                 } else if (!folder->draft &&
 874                                            !strcmp(d->d_name, DRAFT_DIR)) {
 875                                         new_item->stype = F_DRAFT;
 876                                         folder->draft = new_item;
 877                                 } else if (!folder->queue &&
 878                                            !strcmp(d->d_name, QUEUE_DIR)) {
 879                                         new_item->stype = F_QUEUE;
 880                                         folder->queue = new_item;
 881                                 } else if (!folder->trash &&
 882                                            !strcmp(d->d_name, TRASH_DIR)) {
 883                                         new_item->stype = F_TRASH;
 884                                         folder->trash = new_item;
 885                                 }
 886                         }
 887
 888                         mh_scan_tree_recursive(new_item);
 889                 } else if (to_number(d->d_name) != -1) n_msg++;
 890
 891                 g_free(entry);
 892         }
 893
 894         closedir(dp);
 895
 896 /*
 897         if (item->path) {
 898                 gint new, unread, total, min, max;
 899
 900                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 901                                      &min, &max, 0);
 902                 if (n_msg > total) {
 903                         new += n_msg - total;
 904                         unread += n_msg - total;
 905                 }
 906                 item->new = new;
 907                 item->unread = unread;
 908                 item->total = n_msg;
 909         }
 910 */
 911 }
 912
 913 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 914 {
 915         FolderItem *item = node->data;
 916         gchar **paths = data;
 917         const gchar *oldpath = paths[0];
 918         const gchar *newpath = paths[1];
 919         gchar *base;
 920         gchar *new_itempath;
 921         gint oldpathlen;
 922
 923         oldpathlen = strlen(oldpath);
 924         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 925                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 926                 return TRUE;
 927         }
 928
 929         base = item->path + oldpathlen;
 930         while (*base == G_DIR_SEPARATOR) base++;
 931         if (*base == '\0')
 932                 new_itempath = g_strdup(newpath);
 933         else
 934                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 935                                            NULL);
 936         g_free(item->path);
 937         item->path = new_itempath;
 938
 939         return FALSE;
 940 }