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