src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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 <glib/gi18n.h>
  28 #include <dirent.h>
  29 #include <sys/stat.h>
  30 #include <unistd.h>
  31 #include <string.h>
  32 #include <errno.h>
  33
  34 #undef MEASURE_TIME
  35
  36 #ifdef MEASURE_TIME
  37 #  include <sys/time.h>
  38 #endif
  39
  40 #include "folder.h"
  41 #include "mh.h"
  42 #include "procmsg.h"
  43 #include "procheader.h"
  44 #include "utils.h"
  45 #include "codeconv.h"
  46
  47 static void     mh_folder_init          (Folder         *folder,
  48                                          const gchar    *name,
  49                                          const gchar    *path);
  50
  51 static Folder   *mh_folder_new          (const gchar    *name,
  52                                          const gchar    *path);
  53 static void     mh_folder_destroy       (Folder         *folder);
  54 static gchar   *mh_fetch_msg            (Folder         *folder,
  55                                          FolderItem     *item,
  56                                          gint            num);
  57 static MsgInfo *mh_get_msginfo          (Folder         *folder,
  58                                          FolderItem     *item,
  59                                          gint            num);
  60 static gint     mh_add_msg              (Folder         *folder,
  61                                          FolderItem     *dest,
  62                                          const gchar    *file,
  63                                          MsgFlags       *flags);
  64 static gint     mh_add_msgs             (Folder         *folder,
  65                                          FolderItem     *dest,
  66                                          GSList         *file_list,
  67                                          GRelation      *relation);
  68 static gint     mh_copy_msg             (Folder         *folder,
  69                                          FolderItem     *dest,
  70                                          MsgInfo        *msginfo);
  71 static gint     mh_remove_msg           (Folder         *folder,
  72                                          FolderItem     *item,
  73                                          gint            num);
  74 static gint     mh_remove_all_msg       (Folder         *folder,
  75                                          FolderItem     *item);
  76 static gboolean mh_is_msg_changed       (Folder         *folder,
  77                                          FolderItem     *item,
  78                                          MsgInfo        *msginfo);
  79
  80 static gint     mh_get_num_list         (Folder         *folder,
  81                                          FolderItem     *item,
  82                                          GSList         **list,
  83                                          gboolean       *old_uids_valid);
  84 static gint     mh_scan_tree            (Folder         *folder);
  85
  86 static gint    mh_create_tree           (Folder         *folder);
  87 static FolderItem *mh_create_folder     (Folder         *folder,
  88                                          FolderItem     *parent,
  89                                          const gchar    *name);
  90 static gint    mh_rename_folder         (Folder         *folder,
  91                                          FolderItem     *item,
  92                                          const gchar    *name);
  93 static gint    mh_remove_folder         (Folder         *folder,
  94                                          FolderItem     *item);
  95
  96 static gchar   *mh_get_new_msg_filename         (FolderItem     *dest);
  97
  98 static MsgInfo *mh_parse_msg                    (const gchar    *file,
  99                                                  FolderItem     *item);
 100 static void     mh_remove_missing_folder_items  (Folder         *folder);
 101 static gchar    *mh_filename_from_utf8          (const gchar    *path);
 102 static gchar    *mh_filename_to_utf8            (const gchar    *path);
 103 static void     mh_scan_tree_recursive          (FolderItem     *item);
 104
 105 static gboolean mh_rename_folder_func           (GNode          *node,
 106                                                  gpointer        data);
 107 static gchar   *mh_item_get_path                (Folder *folder,
 108                                                  FolderItem *item);
 109
 110 static gboolean mh_scan_required        (Folder         *folder,
 111                                          FolderItem     *item);
 112
 113 static FolderClass mh_class;
 114
 115 FolderClass *mh_get_class(void)
 116 {
 117         if (mh_class.idstr == NULL) {
 118                 mh_class.type = F_MH;
 119                 mh_class.idstr = "mh";
 120                 mh_class.uistr = "MH";
 121
 122                 /* Folder functions */
 123                 mh_class.new_folder = mh_folder_new;
 124                 mh_class.destroy_folder = mh_folder_destroy;
 125                 mh_class.set_xml = folder_local_set_xml;
 126                 mh_class.get_xml = folder_local_get_xml;
 127                 mh_class.scan_tree = mh_scan_tree;
 128                 mh_class.create_tree = mh_create_tree;
 129
 130                 /* FolderItem functions */
 131                 mh_class.item_get_path = mh_item_get_path;
 132                 mh_class.create_folder = mh_create_folder;
 133                 mh_class.rename_folder = mh_rename_folder;
 134                 mh_class.remove_folder = mh_remove_folder;
 135                 mh_class.get_num_list = mh_get_num_list;
 136                 mh_class.scan_required = mh_scan_required;
 137
 138                 /* Message functions */
 139                 mh_class.get_msginfo = mh_get_msginfo;
 140                 mh_class.fetch_msg = mh_fetch_msg;
 141                 mh_class.add_msg = mh_add_msg;
 142                 mh_class.add_msgs = mh_add_msgs;
 143                 mh_class.copy_msg = mh_copy_msg;
 144                 mh_class.remove_msg = mh_remove_msg;
 145                 mh_class.remove_all_msg = mh_remove_all_msg;
 146                 mh_class.is_msg_changed = mh_is_msg_changed;
 147         }
 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 gboolean mh_scan_required(Folder *folder, FolderItem *item)
 175 {
 176         gchar *path;
 177         struct stat s;
 178
 179         path = folder_item_get_path(item);
 180         g_return_val_if_fail(path != NULL, FALSE);
 181
 182         if (stat(path, &s) < 0) {
 183                 FILE_OP_ERROR(path, "stat");
 184                 g_free(path);
 185                 return FALSE;
 186         }
 187
 188         if (s.st_mtime > item->mtime) {
 189                 debug_print("MH scan required, folder updated: %s (%ld > %ld)\n",
 190                             path,
 191                             s.st_mtime,
 192                             item->mtime);
 193                 g_free(path);
 194                 return TRUE;
 195         }
 196
 197         debug_print("MH scan not required: %s (%ld <= %ld)\n",
 198                     path,
 199                     s.st_mtime,
 200                     item->mtime);
 201         g_free(path);
 202         return FALSE;
 203 }
 204
 205 void mh_get_last_num(Folder *folder, FolderItem *item)
 206 {
 207         gchar *path;
 208         DIR *dp;
 209         struct dirent *d;
 210         gint max = 0;
 211         gint num;
 212
 213         g_return_if_fail(item != NULL);
 214
 215         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 216
 217         path = folder_item_get_path(item);
 218         g_return_if_fail(path != NULL);
 219         if (change_dir(path) < 0) {
 220                 g_free(path);
 221                 return;
 222         }
 223         g_free(path);
 224
 225         if ((dp = opendir(".")) == NULL) {
 226                 FILE_OP_ERROR(item->path, "opendir");
 227                 return;
 228         }
 229
 230         while ((d = readdir(dp)) != NULL) {
 231                 if ((num = to_number(d->d_name)) > 0 &&
 232                     dirent_is_regular_file(d)) {
 233                         if (max < num)
 234                                 max = num;
 235                 }
 236         }
 237         closedir(dp);
 238
 239         debug_print("Last number in dir %s = %d\n", item->path, max);
 240         item->last_num = max;
 241 }
 242
 243 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 244 {
 245
 246         gchar *path;
 247         DIR *dp;
 248         struct dirent *d;
 249         gint num, nummsgs = 0;
 250
 251         g_return_val_if_fail(item != NULL, -1);
 252
 253         debug_print("mh_get_num_list(): Scanning %s ...\n", item->path);
 254
 255         *old_uids_valid = TRUE;
 256
 257         path = folder_item_get_path(item);
 258         g_return_val_if_fail(path != NULL, -1);
 259         if (change_dir(path) < 0) {
 260                 g_free(path);
 261                 return -1;
 262         }
 263         g_free(path);
 264
 265         if ((dp = opendir(".")) == NULL) {
 266                 FILE_OP_ERROR(item->path, "opendir");
 267                 return -1;
 268         }
 269
 270         while ((d = readdir(dp)) != NULL) {
 271                 if ((num = to_number(d->d_name)) > 0) {
 272                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 273                         nummsgs++;
 274                 }
 275         }
 276         closedir(dp);
 277
 278         item->mtime = time(NULL);
 279         return nummsgs;
 280 }
 281
 282 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 283 {
 284         gchar *path;
 285         gchar *file;
 286
 287         g_return_val_if_fail(item != NULL, NULL);
 288         g_return_val_if_fail(num > 0, NULL);
 289
 290         path = folder_item_get_path(item);
 291         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 292
 293         if (!is_file_exist(file)) {
 294                 g_free(file);
 295                 return NULL;
 296         }
 297
 298         return file;
 299 }
 300
 301 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 302 {
 303         MsgInfo *msginfo;
 304         gchar *file;
 305
 306         g_return_val_if_fail(item != NULL, NULL);
 307         g_return_val_if_fail(num > 0, NULL);
 308
 309         file = mh_fetch_msg(folder, item, num);
 310         if (!file) return NULL;
 311
 312         msginfo = mh_parse_msg(file, item);
 313         if (msginfo)
 314                 msginfo->msgnum = num;
 315
 316         g_free(file);
 317
 318         return msginfo;
 319 }
 320
 321 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 322 {
 323         gchar *destfile;
 324         gchar *destpath;
 325
 326         destpath = folder_item_get_path(dest);
 327         g_return_val_if_fail(destpath != NULL, NULL);
 328
 329         if (!is_dir_exist(destpath))
 330                 make_dir_hier(destpath);
 331
 332         for (;;) {
 333                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 334                                            dest->last_num + 1);
 335                 if (is_file_entry_exist(destfile)) {
 336                         dest->last_num++;
 337                         g_free(destfile);
 338                 } else
 339                         break;
 340         }
 341
 342         g_free(destpath);
 343
 344         return destfile;
 345 }
 346
 347 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 348 {
 349         gint ret;
 350         GSList file_list;
 351         MsgFileInfo fileinfo;
 352
 353         g_return_val_if_fail(file != NULL, -1);
 354
 355         fileinfo.msginfo = NULL;
 356         fileinfo.file = (gchar *)file;
 357         fileinfo.flags = flags;
 358         file_list.data = &fileinfo;
 359         file_list.next = NULL;
 360
 361         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 362         return ret;
 363 }
 364
 365 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 366                  GRelation *relation)
 367 {
 368         gchar *destfile;
 369         GSList *cur;
 370         MsgFileInfo *fileinfo;
 371
 372         g_return_val_if_fail(dest != NULL, -1);
 373         g_return_val_if_fail(file_list != NULL, -1);
 374
 375         if (dest->last_num < 0) {
 376                 mh_get_last_num(folder, dest);
 377                 if (dest->last_num < 0) return -1;
 378         }
 379
 380         for (cur = file_list; cur != NULL; cur = cur->next) {
 381                 fileinfo = (MsgFileInfo *)cur->data;
 382
 383                 destfile = mh_get_new_msg_filename(dest);
 384                 if (destfile == NULL) return -1;
 385
 386                 if (link(fileinfo->file, destfile) < 0) {
 387                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 388                                 g_warning(_("can't copy message %s to %s\n"),
 389                                           fileinfo->file, destfile);
 390                                 g_free(destfile);
 391                                 return -1;
 392                         }
 393                 }
 394                 if (relation != NULL)
 395                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 396                 g_free(destfile);
 397                 dest->last_num++;
 398         }
 399
 400         return dest->last_num;
 401 }
 402
 403 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 404 {
 405         gboolean dest_need_scan = FALSE;
 406         gchar *srcfile;
 407         gchar *destfile;
 408         gint filemode = 0;
 409         FolderItemPrefs *prefs;
 410
 411         g_return_val_if_fail(dest != NULL, -1);
 412         g_return_val_if_fail(msginfo != NULL, -1);
 413
 414         if (msginfo->folder == dest) {
 415                 g_warning("the src folder is identical to the dest.\n");
 416                 return -1;
 417         }
 418
 419         if (dest->last_num < 0) {
 420                 mh_get_last_num(folder, dest);
 421                 if (dest->last_num < 0) return -1;
 422         }
 423
 424         prefs = dest->prefs;
 425
 426         srcfile = procmsg_get_message_file(msginfo);
 427         destfile = mh_get_new_msg_filename(dest);
 428         if (!destfile) {
 429                 g_free(srcfile);
 430                 return -1;
 431         }
 432
 433         debug_print("Copying message %s%c%d to %s ...\n",
 434                     msginfo->folder->path, G_DIR_SEPARATOR,
 435                     msginfo->msgnum, dest->path);
 436
 437
 438         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 439         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 440                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 441                         g_free(srcfile);
 442                         g_free(destfile);
 443                         return -1;
 444                 }
 445         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 446                 FILE_OP_ERROR(srcfile, "copy");
 447                 g_free(srcfile);
 448                 g_free(destfile);
 449                 return -1;
 450         }
 451
 452         dest_need_scan = mh_scan_required(dest->folder, dest);
 453         if (!dest_need_scan)
 454                 dest->mtime = time(NULL);
 455
 456
 457         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 458                 if (chmod(destfile, prefs->folder_chmod) < 0)
 459                         FILE_OP_ERROR(destfile, "chmod");
 460
 461                 /* for mark file */
 462                 filemode = prefs->folder_chmod;
 463                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 464                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 465         }
 466
 467         g_free(srcfile);
 468         g_free(destfile);
 469         dest->last_num++;
 470
 471         return dest->last_num;
 472 }
 473
 474 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 475 {
 476         gboolean need_scan = FALSE;
 477         gchar *file;
 478
 479         g_return_val_if_fail(item != NULL, -1);
 480
 481         file = mh_fetch_msg(folder, item, num);
 482         g_return_val_if_fail(file != NULL, -1);
 483
 484         need_scan = mh_scan_required(folder, item);
 485
 486         if (unlink(file) < 0) {
 487                 FILE_OP_ERROR(file, "unlink");
 488                 g_free(file);
 489                 return -1;
 490         }
 491
 492         if (!need_scan)
 493                 item->mtime = time(NULL);
 494
 495         g_free(file);
 496         return 0;
 497 }
 498
 499 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 500 {
 501         gchar *path;
 502         gint val;
 503
 504         g_return_val_if_fail(item != NULL, -1);
 505
 506         path = folder_item_get_path(item);
 507         g_return_val_if_fail(path != NULL, -1);
 508         val = remove_all_numbered_files(path);
 509         g_free(path);
 510
 511         return val;
 512 }
 513
 514 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 515                                   MsgInfo *msginfo)
 516 {
 517         struct stat s;
 518
 519         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 520             msginfo->size  != s.st_size ||
 521             msginfo->mtime != s.st_mtime)
 522                 return TRUE;
 523
 524         return FALSE;
 525 }
 526
 527 static gint mh_scan_tree(Folder *folder)
 528 {
 529         FolderItem *item;
 530         gchar *rootpath;
 531
 532         g_return_val_if_fail(folder != NULL, -1);
 533
 534         if (!folder->node) {
 535                 item = folder_item_new(folder, folder->name, NULL);
 536                 item->folder = folder;
 537                 folder->node = item->node = g_node_new(item);
 538         } else
 539                 item = FOLDER_ITEM(folder->node->data);
 540
 541         rootpath = folder_item_get_path(item);
 542         if (change_dir(rootpath) < 0) {
 543                 g_free(rootpath);
 544                 return -1;
 545         }
 546         g_free(rootpath);
 547
 548         mh_create_tree(folder);
 549         mh_remove_missing_folder_items(folder);
 550         mh_scan_tree_recursive(item);
 551
 552         return 0;
 553 }
 554
 555 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 556 { \
 557         if (!is_dir_exist(dir)) { \
 558                 if (is_file_exist(dir)) { \
 559                         g_warning("File `%s' already exists.\n" \
 560                                     "Can't create folder.", dir); \
 561                         return -1; \
 562                 } \
 563                 if (make_dir(dir) < 0) \
 564                         return -1; \
 565         } \
 566 }
 567
 568 static gint mh_create_tree(Folder *folder)
 569 {
 570         gchar *rootpath;
 571
 572         g_return_val_if_fail(folder != NULL, -1);
 573
 574         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 575         rootpath = LOCAL_FOLDER(folder)->rootpath;
 576         MAKE_DIR_IF_NOT_EXIST(rootpath);
 577         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 578         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 579         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 580         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 581         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 582         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 583
 584         return 0;
 585 }
 586
 587 #undef MAKE_DIR_IF_NOT_EXIST
 588
 589 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 590 {
 591         gchar *folder_path, *path;
 592
 593         g_return_val_if_fail(folder != NULL, NULL);
 594         g_return_val_if_fail(item != NULL, NULL);
 595
 596         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 597         g_return_val_if_fail(folder_path != NULL, NULL);
 598
 599         if (folder_path[0] == G_DIR_SEPARATOR) {
 600                 if (item->path)
 601                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 602                                            item->path, NULL);
 603                 else
 604                         path = g_strdup(folder_path);
 605         } else {
 606                 if (item->path)
 607                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 608                                            folder_path, G_DIR_SEPARATOR_S,
 609                                            item->path, NULL);
 610                 else
 611                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 612                                            folder_path, NULL);
 613         }
 614         g_free(folder_path);
 615
 616         return path;
 617 }
 618
 619 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 620                                     const gchar *name)
 621 {
 622         gchar *path, *real_name;
 623         gchar *fullpath;
 624         FolderItem *new_item;
 625         gchar *mh_sequences_filename;
 626         FILE *mh_sequences_file;
 627
 628         g_return_val_if_fail(folder != NULL, NULL);
 629         g_return_val_if_fail(parent != NULL, NULL);
 630         g_return_val_if_fail(name != NULL, NULL);
 631
 632         path = folder_item_get_path(parent);
 633         if (!is_dir_exist(path))
 634                 if (make_dir_hier(path) != 0)
 635                         return NULL;
 636
 637         real_name = mh_filename_from_utf8(name);
 638         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 639         g_free(real_name);
 640         g_free(path);
 641
 642         if (make_dir(fullpath) < 0) {
 643                 g_free(fullpath);
 644                 return NULL;
 645         }
 646
 647         g_free(fullpath);
 648
 649         if (parent->path)
 650                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 651                                    NULL);
 652         else
 653                 path = g_strdup(name);
 654         new_item = folder_item_new(folder, name, path);
 655         folder_item_append(parent, new_item);
 656
 657         g_free(path);
 658
 659         path = folder_item_get_path(new_item);
 660         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 661                                             ".mh_sequences", NULL);
 662         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 663                 fclose(mh_sequences_file);
 664         }
 665         g_free(mh_sequences_filename);
 666         g_free(path);
 667
 668         return new_item;
 669 }
 670
 671 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 672                              const gchar *name)
 673 {
 674         gchar *real_name;
 675         gchar *oldpath;
 676         gchar *dirname;
 677         gchar *newpath, *utf8newpath;
 678         gchar *paths[2];
 679
 680         g_return_val_if_fail(folder != NULL, -1);
 681         g_return_val_if_fail(item != NULL, -1);
 682         g_return_val_if_fail(item->path != NULL, -1);
 683         g_return_val_if_fail(name != NULL, -1);
 684
 685         oldpath = folder_item_get_path(item);
 686         if (!is_dir_exist(oldpath))
 687                 make_dir_hier(oldpath);
 688
 689         dirname = g_path_get_dirname(oldpath);
 690         real_name = mh_filename_from_utf8(name);
 691         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 692         g_free(real_name);
 693
 694         if (rename(oldpath, newpath) < 0) {
 695                 FILE_OP_ERROR(oldpath, "rename");
 696                 g_free(oldpath);
 697                 g_free(newpath);
 698                 return -1;
 699         }
 700
 701         g_free(oldpath);
 702         g_free(newpath);
 703
 704         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 705                 dirname = g_path_get_dirname(item->path);
 706                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 707                                           name, NULL);
 708                 g_free(dirname);
 709         } else
 710                 utf8newpath = g_strdup(name);
 711
 712         g_free(item->name);
 713         item->name = g_strdup(name);
 714
 715         paths[0] = g_strdup(item->path);
 716         paths[1] = utf8newpath;
 717         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 718                         mh_rename_folder_func, paths);
 719
 720         g_free(paths[0]);
 721         g_free(paths[1]);
 722         return 0;
 723 }
 724
 725 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 726 {
 727         gchar *path;
 728
 729         g_return_val_if_fail(folder != NULL, -1);
 730         g_return_val_if_fail(item != NULL, -1);
 731         g_return_val_if_fail(item->path != NULL, -1);
 732
 733         path = folder_item_get_path(item);
 734         if (remove_dir_recursive(path) < 0) {
 735                 g_warning("can't remove directory `%s'\n", path);
 736                 g_free(path);
 737                 return -1;
 738         }
 739
 740         g_free(path);
 741         folder_item_remove(item);
 742         return 0;
 743 }
 744
 745 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 746 {
 747         MsgInfo *msginfo;
 748         MsgFlags flags;
 749
 750         g_return_val_if_fail(item != NULL, NULL);
 751         g_return_val_if_fail(file != NULL, NULL);
 752
 753         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 754         flags.tmp_flags = 0;
 755
 756         if (item->stype == F_QUEUE) {
 757                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 758         } else if (item->stype == F_DRAFT) {
 759                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 760         }
 761
 762         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 763         if (!msginfo) return NULL;
 764
 765         msginfo->msgnum = atoi(file);
 766         msginfo->folder = item;
 767
 768         return msginfo;
 769 }
 770
 771 #if 0
 772 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 773 {
 774         gchar *entry;
 775         gboolean result;
 776
 777         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 778         result = is_dir_exist(entry);
 779         g_free(entry);
 780
 781         return result;
 782 }
 783
 784 /*
 785  * check whether PATH is a Maildir style mailbox.
 786  * This is the case if the 3 subdir: new, cur, tmp are existing.
 787  * This functon assumes that entry is an directory
 788  */
 789 static gboolean mh_is_maildir(const gchar *path)
 790 {
 791         return mh_is_maildir_one(path, "new") &&
 792                mh_is_maildir_one(path, "cur") &&
 793                mh_is_maildir_one(path, "tmp");
 794 }
 795 #endif
 796
 797 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 798 {
 799         FolderItem *item;
 800         gchar *path;
 801
 802         g_return_val_if_fail(node->data != NULL, FALSE);
 803
 804         if (G_NODE_IS_ROOT(node))
 805                 return FALSE;
 806
 807         item = FOLDER_ITEM(node->data);
 808
 809         path = folder_item_get_path(item);
 810         if (!is_dir_exist(path)) {
 811                 debug_print("folder '%s' not found. removing...\n", path);
 812                 folder_item_remove(item);
 813         }
 814         g_free(path);
 815
 816         return FALSE;
 817 }
 818
 819 static void mh_remove_missing_folder_items(Folder *folder)
 820 {
 821         g_return_if_fail(folder != NULL);
 822
 823         debug_print("searching missing folders...\n");
 824
 825         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 826                         mh_remove_missing_folder_items_func, folder);
 827 }
 828
 829 static void mh_scan_tree_recursive(FolderItem *item)
 830 {
 831         Folder *folder;
 832         DIR *dp;
 833         struct dirent *d;
 834         struct stat s;
 835         gchar *real_path, *entry, *utf8entry, *utf8name;
 836         gint n_msg = 0;
 837
 838         g_return_if_fail(item != NULL);
 839         g_return_if_fail(item->folder != NULL);
 840
 841         folder = item->folder;
 842
 843         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 844         dp = opendir(real_path);
 845         if (!dp) {
 846                 FILE_OP_ERROR(real_path, "opendir");
 847                 return;
 848         }
 849         g_free(real_path);
 850
 851         debug_print("scanning %s ...\n",
 852                     item->path ? item->path
 853                     : LOCAL_FOLDER(item->folder)->rootpath);
 854         if (folder->ui_func)
 855                 folder->ui_func(folder, item, folder->ui_func_data);
 856
 857         while ((d = readdir(dp)) != NULL) {
 858                 if (d->d_name[0] == '.') continue;
 859
 860                 utf8name = mh_filename_to_utf8(d->d_name);
 861                 if (item->path)
 862                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 863                                                 utf8name, NULL);
 864                 else
 865                         utf8entry = g_strdup(utf8name);
 866                 entry = mh_filename_from_utf8(utf8entry);
 867
 868                 if (
 869 #ifdef HAVE_DIRENT_D_TYPE
 870                         d->d_type == DT_DIR ||
 871                         (d->d_type == DT_UNKNOWN &&
 872 #endif
 873                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 874 #ifdef HAVE_DIRENT_D_TYPE
 875                         )
 876 #endif
 877                    ) {
 878                         FolderItem *new_item = NULL;
 879                         GNode *node;
 880
 881 #if 0
 882                         if (mh_is_maildir(entry)) {
 883                                 g_free(entry);
 884                                 g_free(utf8entry);
 885                                 g_free(utf8name);
 886                                 continue;
 887                         }
 888 #endif
 889
 890                         node = item->node;
 891                         for (node = node->children; node != NULL; node = node->next) {
 892                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 893                                 if (!strcmp2(cur_item->path, entry)) {
 894                                         new_item = cur_item;
 895                                         break;
 896                                 }
 897                         }
 898                         if (!new_item) {
 899                                 debug_print("new folder '%s' found.\n", entry);
 900                                 new_item = folder_item_new(folder, utf8name, utf8entry);
 901                                 folder_item_append(item, new_item);
 902                         }
 903
 904                         if (!item->path) {
 905                                 if (!folder->inbox &&
 906                                     !strcmp(d->d_name, INBOX_DIR)) {
 907                                         new_item->stype = F_INBOX;
 908                                         folder->inbox = new_item;
 909                                 } else if (!folder->outbox &&
 910                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 911                                         new_item->stype = F_OUTBOX;
 912                                         folder->outbox = new_item;
 913                                 } else if (!folder->draft &&
 914                                            !strcmp(d->d_name, DRAFT_DIR)) {
 915                                         new_item->stype = F_DRAFT;
 916                                         folder->draft = new_item;
 917                                 } else if (!folder->queue &&
 918                                            !strcmp(d->d_name, QUEUE_DIR)) {
 919                                         new_item->stype = F_QUEUE;
 920                                         folder->queue = new_item;
 921                                 } else if (!folder->trash &&
 922                                            !strcmp(d->d_name, TRASH_DIR)) {
 923                                         new_item->stype = F_TRASH;
 924                                         folder->trash = new_item;
 925                                 }
 926                         }
 927
 928                         mh_scan_tree_recursive(new_item);
 929                 } else if (to_number(d->d_name) != -1) n_msg++;
 930
 931                 g_free(entry);
 932                 g_free(utf8entry);
 933                 g_free(utf8name);
 934         }
 935
 936         closedir(dp);
 937
 938         item->mtime = time(NULL);
 939
 940 /*
 941         if (item->path) {
 942                 gint new, unread, total, min, max;
 943
 944                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 945                                      &min, &max, 0);
 946                 if (n_msg > total) {
 947                         new += n_msg - total;
 948                         unread += n_msg - total;
 949                 }
 950                 item->new = new;
 951                 item->unread = unread;
 952                 item->total = n_msg;
 953         }
 954 */
 955 }
 956
 957 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 958 {
 959         FolderItem *item = node->data;
 960         gchar **paths = data;
 961         const gchar *oldpath = paths[0];
 962         const gchar *newpath = paths[1];
 963         gchar *base;
 964         gchar *new_itempath;
 965         gint oldpathlen;
 966
 967         oldpathlen = strlen(oldpath);
 968         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 969                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 970                 return TRUE;
 971         }
 972
 973         base = item->path + oldpathlen;
 974         while (*base == G_DIR_SEPARATOR) base++;
 975         if (*base == '\0')
 976                 new_itempath = g_strdup(newpath);
 977         else
 978                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 979                                            NULL);
 980         g_free(item->path);
 981         item->path = new_itempath;
 982
 983         return FALSE;
 984 }
 985
 986 #warning FIXME_GTK2 /* should we use g_filename_from_utf8()? */
 987 static gchar *mh_filename_from_utf8(const gchar *path)
 988 {
 989         const gchar *src_codeset = CS_UTF_8;
 990         const gchar *dest_codeset = conv_get_locale_charset_str();
 991         gchar *real_path;
 992
 993         real_path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 994         if (!real_path) {
 995                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
 996                 /* FIXME: show dialog? */
 997                 real_path = g_strdup(path);
 998         }
 999
1000         return real_path;
1001 }
1002
1003 #warning FIXME_GTK2 /* should we use g_filename_to_utf8()? */
1004 static gchar *mh_filename_to_utf8(const gchar *path)
1005 {
1006         const gchar *src_codeset = conv_get_locale_charset_str();
1007         const gchar *dest_codeset = CS_UTF_8;
1008         gchar *utf8path;
1009
1010         utf8path = conv_codeset_strdup(path, src_codeset, dest_codeset);
1011         if (!utf8path) {
1012                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
1013                 /* FIXME: show dialog? */
1014                 utf8path = g_strdup(path);
1015         }
1016
1017         return utf8path;
1018 }