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