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                 (s.st_mtime - 3600 != item->mtime)) {
 190                 debug_print("MH scan required, folder updated: %s (%ld > %ld)\n",
 191                             path,
 192                             s.st_mtime,
 193                             item->mtime);
 194                 g_free(path);
 195                 return TRUE;
 196         }
 197
 198         debug_print("MH scan not required: %s (%ld <= %ld)\n",
 199                     path,
 200                     s.st_mtime,
 201                     item->mtime);
 202         g_free(path);
 203         return FALSE;
 204 }
 205
 206 void mh_get_last_num(Folder *folder, FolderItem *item)
 207 {
 208         gchar *path;
 209         DIR *dp;
 210         struct dirent *d;
 211         gint max = 0;
 212         gint num;
 213
 214         g_return_if_fail(item != NULL);
 215
 216         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 217
 218         path = folder_item_get_path(item);
 219         g_return_if_fail(path != NULL);
 220         if (change_dir(path) < 0) {
 221                 g_free(path);
 222                 return;
 223         }
 224         g_free(path);
 225
 226         if ((dp = opendir(".")) == NULL) {
 227                 FILE_OP_ERROR(item->path, "opendir");
 228                 return;
 229         }
 230
 231         while ((d = readdir(dp)) != NULL) {
 232                 if ((num = to_number(d->d_name)) > 0 &&
 233                     dirent_is_regular_file(d)) {
 234                         if (max < num)
 235                                 max = num;
 236                 }
 237         }
 238         closedir(dp);
 239
 240         debug_print("Last number in dir %s = %d\n", item->path, max);
 241         item->last_num = max;
 242 }
 243
 244 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 245 {
 246
 247         gchar *path;
 248         DIR *dp;
 249         struct dirent *d;
 250         gint num, nummsgs = 0;
 251
 252         g_return_val_if_fail(item != NULL, -1);
 253
 254         debug_print("mh_get_num_list(): Scanning %s ...\n", item->path);
 255
 256         *old_uids_valid = TRUE;
 257
 258         path = folder_item_get_path(item);
 259         g_return_val_if_fail(path != NULL, -1);
 260         if (change_dir(path) < 0) {
 261                 g_free(path);
 262                 return -1;
 263         }
 264         g_free(path);
 265
 266         if ((dp = opendir(".")) == NULL) {
 267                 FILE_OP_ERROR(item->path, "opendir");
 268                 return -1;
 269         }
 270
 271         while ((d = readdir(dp)) != NULL) {
 272                 if ((num = to_number(d->d_name)) > 0) {
 273                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 274                         nummsgs++;
 275                 }
 276         }
 277         closedir(dp);
 278
 279         item->mtime = time(NULL);
 280         return nummsgs;
 281 }
 282
 283 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 284 {
 285         gchar *path;
 286         gchar *file;
 287
 288         g_return_val_if_fail(item != NULL, NULL);
 289         g_return_val_if_fail(num > 0, NULL);
 290
 291         path = folder_item_get_path(item);
 292         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 293
 294         if (!is_file_exist(file)) {
 295                 g_free(file);
 296                 return NULL;
 297         }
 298
 299         return file;
 300 }
 301
 302 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 303 {
 304         MsgInfo *msginfo;
 305         gchar *file;
 306
 307         g_return_val_if_fail(item != NULL, NULL);
 308         g_return_val_if_fail(num > 0, NULL);
 309
 310         file = mh_fetch_msg(folder, item, num);
 311         if (!file) return NULL;
 312
 313         msginfo = mh_parse_msg(file, item);
 314         if (msginfo)
 315                 msginfo->msgnum = num;
 316
 317         g_free(file);
 318
 319         return msginfo;
 320 }
 321
 322 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 323 {
 324         gchar *destfile;
 325         gchar *destpath;
 326
 327         destpath = folder_item_get_path(dest);
 328         g_return_val_if_fail(destpath != NULL, NULL);
 329
 330         if (!is_dir_exist(destpath))
 331                 make_dir_hier(destpath);
 332
 333         for (;;) {
 334                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 335                                            dest->last_num + 1);
 336                 if (is_file_entry_exist(destfile)) {
 337                         dest->last_num++;
 338                         g_free(destfile);
 339                 } else
 340                         break;
 341         }
 342
 343         g_free(destpath);
 344
 345         return destfile;
 346 }
 347
 348 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 349 {
 350         gint ret;
 351         GSList file_list;
 352         MsgFileInfo fileinfo;
 353
 354         g_return_val_if_fail(file != NULL, -1);
 355
 356         fileinfo.msginfo = NULL;
 357         fileinfo.file = (gchar *)file;
 358         fileinfo.flags = flags;
 359         file_list.data = &fileinfo;
 360         file_list.next = NULL;
 361
 362         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 363         return ret;
 364 }
 365
 366 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 367                  GRelation *relation)
 368 {
 369         gchar *destfile;
 370         GSList *cur;
 371         MsgFileInfo *fileinfo;
 372
 373         g_return_val_if_fail(dest != NULL, -1);
 374         g_return_val_if_fail(file_list != NULL, -1);
 375
 376         if (dest->last_num < 0) {
 377                 mh_get_last_num(folder, dest);
 378                 if (dest->last_num < 0) return -1;
 379         }
 380
 381         for (cur = file_list; cur != NULL; cur = cur->next) {
 382                 fileinfo = (MsgFileInfo *)cur->data;
 383
 384                 destfile = mh_get_new_msg_filename(dest);
 385                 if (destfile == NULL) return -1;
 386
 387                 if (link(fileinfo->file, destfile) < 0) {
 388                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 389                                 g_warning(_("can't copy message %s to %s\n"),
 390                                           fileinfo->file, destfile);
 391                                 g_free(destfile);
 392                                 return -1;
 393                         }
 394                 }
 395                 if (relation != NULL)
 396                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 397                 g_free(destfile);
 398                 dest->last_num++;
 399         }
 400
 401         return dest->last_num;
 402 }
 403
 404 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 405 {
 406         gboolean dest_need_scan = FALSE;
 407         gchar *srcfile;
 408         gchar *destfile;
 409         gint filemode = 0;
 410         FolderItemPrefs *prefs;
 411
 412         g_return_val_if_fail(dest != NULL, -1);
 413         g_return_val_if_fail(msginfo != NULL, -1);
 414
 415         if (msginfo->folder == dest) {
 416                 g_warning("the src folder is identical to the dest.\n");
 417                 return -1;
 418         }
 419
 420         if (dest->last_num < 0) {
 421                 mh_get_last_num(folder, dest);
 422                 if (dest->last_num < 0) return -1;
 423         }
 424
 425         prefs = dest->prefs;
 426
 427         srcfile = procmsg_get_message_file(msginfo);
 428         destfile = mh_get_new_msg_filename(dest);
 429         if (!destfile) {
 430                 g_free(srcfile);
 431                 return -1;
 432         }
 433
 434         debug_print("Copying message %s%c%d to %s ...\n",
 435                     msginfo->folder->path, G_DIR_SEPARATOR,
 436                     msginfo->msgnum, dest->path);
 437
 438
 439         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 440         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 441                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 442                         g_free(srcfile);
 443                         g_free(destfile);
 444                         return -1;
 445                 }
 446         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 447                 FILE_OP_ERROR(srcfile, "copy");
 448                 g_free(srcfile);
 449                 g_free(destfile);
 450                 return -1;
 451         }
 452
 453         dest_need_scan = mh_scan_required(dest->folder, dest);
 454         if (!dest_need_scan)
 455                 dest->mtime = time(NULL);
 456
 457
 458         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 459                 if (chmod(destfile, prefs->folder_chmod) < 0)
 460                         FILE_OP_ERROR(destfile, "chmod");
 461
 462                 /* for mark file */
 463                 filemode = prefs->folder_chmod;
 464                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 465                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 466         }
 467
 468         g_free(srcfile);
 469         g_free(destfile);
 470         dest->last_num++;
 471
 472         return dest->last_num;
 473 }
 474
 475 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 476 {
 477         gboolean need_scan = FALSE;
 478         gchar *file;
 479
 480         g_return_val_if_fail(item != NULL, -1);
 481
 482         file = mh_fetch_msg(folder, item, num);
 483         g_return_val_if_fail(file != NULL, -1);
 484
 485         need_scan = mh_scan_required(folder, item);
 486
 487         if (unlink(file) < 0) {
 488                 FILE_OP_ERROR(file, "unlink");
 489                 g_free(file);
 490                 return -1;
 491         }
 492
 493         if (!need_scan)
 494                 item->mtime = time(NULL);
 495
 496         g_free(file);
 497         return 0;
 498 }
 499
 500 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 501 {
 502         gchar *path;
 503         gint val;
 504
 505         g_return_val_if_fail(item != NULL, -1);
 506
 507         path = folder_item_get_path(item);
 508         g_return_val_if_fail(path != NULL, -1);
 509         val = remove_all_numbered_files(path);
 510         g_free(path);
 511
 512         return val;
 513 }
 514
 515 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 516                                   MsgInfo *msginfo)
 517 {
 518         struct stat s;
 519
 520         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 521             msginfo->size  != s.st_size || (
 522                 (msginfo->mtime - s.st_mtime != 0) &&
 523                 (msginfo->mtime - s.st_mtime != 3600) &&
 524                 (msginfo->mtime - s.st_mtime != -3600)))
 525                 return TRUE;
 526
 527         return FALSE;
 528 }
 529
 530 static gint mh_scan_tree(Folder *folder)
 531 {
 532         FolderItem *item;
 533         gchar *rootpath;
 534
 535         g_return_val_if_fail(folder != NULL, -1);
 536
 537         if (!folder->node) {
 538                 item = folder_item_new(folder, folder->name, NULL);
 539                 item->folder = folder;
 540                 folder->node = item->node = g_node_new(item);
 541         } else
 542                 item = FOLDER_ITEM(folder->node->data);
 543
 544         rootpath = folder_item_get_path(item);
 545         if (change_dir(rootpath) < 0) {
 546                 g_free(rootpath);
 547                 return -1;
 548         }
 549         g_free(rootpath);
 550
 551         mh_create_tree(folder);
 552         mh_remove_missing_folder_items(folder);
 553         mh_scan_tree_recursive(item);
 554
 555         return 0;
 556 }
 557
 558 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 559 { \
 560         if (!is_dir_exist(dir)) { \
 561                 if (is_file_exist(dir)) { \
 562                         g_warning("File `%s' already exists.\n" \
 563                                     "Can't create folder.", dir); \
 564                         return -1; \
 565                 } \
 566                 if (make_dir(dir) < 0) \
 567                         return -1; \
 568         } \
 569 }
 570
 571 static gint mh_create_tree(Folder *folder)
 572 {
 573         gchar *rootpath;
 574
 575         g_return_val_if_fail(folder != NULL, -1);
 576
 577         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 578         rootpath = LOCAL_FOLDER(folder)->rootpath;
 579         MAKE_DIR_IF_NOT_EXIST(rootpath);
 580         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 581         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 582         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 583         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 584         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 585         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 586
 587         return 0;
 588 }
 589
 590 #undef MAKE_DIR_IF_NOT_EXIST
 591
 592 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 593 {
 594         gchar *folder_path, *path;
 595
 596         g_return_val_if_fail(folder != NULL, NULL);
 597         g_return_val_if_fail(item != NULL, NULL);
 598
 599         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 600         g_return_val_if_fail(folder_path != NULL, NULL);
 601
 602         if (folder_path[0] == G_DIR_SEPARATOR) {
 603                 if (item->path)
 604                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 605                                            item->path, NULL);
 606                 else
 607                         path = g_strdup(folder_path);
 608         } else {
 609                 if (item->path)
 610                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 611                                            folder_path, G_DIR_SEPARATOR_S,
 612                                            item->path, NULL);
 613                 else
 614                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 615                                            folder_path, NULL);
 616         }
 617         g_free(folder_path);
 618
 619         return path;
 620 }
 621
 622 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 623                                     const gchar *name)
 624 {
 625         gchar *path, *real_name;
 626         gchar *fullpath;
 627         FolderItem *new_item;
 628         gchar *mh_sequences_filename;
 629         FILE *mh_sequences_file;
 630
 631         g_return_val_if_fail(folder != NULL, NULL);
 632         g_return_val_if_fail(parent != NULL, NULL);
 633         g_return_val_if_fail(name != NULL, NULL);
 634
 635         path = folder_item_get_path(parent);
 636         if (!is_dir_exist(path))
 637                 if (make_dir_hier(path) != 0)
 638                         return NULL;
 639
 640         real_name = mh_filename_from_utf8(name);
 641         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 642         g_free(real_name);
 643         g_free(path);
 644
 645         if (make_dir(fullpath) < 0) {
 646                 g_free(fullpath);
 647                 return NULL;
 648         }
 649
 650         g_free(fullpath);
 651
 652         if (parent->path)
 653                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 654                                    NULL);
 655         else
 656                 path = g_strdup(name);
 657         new_item = folder_item_new(folder, name, path);
 658         folder_item_append(parent, new_item);
 659
 660         g_free(path);
 661
 662         path = folder_item_get_path(new_item);
 663         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 664                                             ".mh_sequences", NULL);
 665         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 666                 fclose(mh_sequences_file);
 667         }
 668         g_free(mh_sequences_filename);
 669         g_free(path);
 670
 671         return new_item;
 672 }
 673
 674 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 675                              const gchar *name)
 676 {
 677         gchar *real_name;
 678         gchar *oldpath;
 679         gchar *dirname;
 680         gchar *newpath, *utf8newpath;
 681         gchar *paths[2];
 682
 683         g_return_val_if_fail(folder != NULL, -1);
 684         g_return_val_if_fail(item != NULL, -1);
 685         g_return_val_if_fail(item->path != NULL, -1);
 686         g_return_val_if_fail(name != NULL, -1);
 687
 688         oldpath = folder_item_get_path(item);
 689         if (!is_dir_exist(oldpath))
 690                 make_dir_hier(oldpath);
 691
 692         dirname = g_path_get_dirname(oldpath);
 693         real_name = mh_filename_from_utf8(name);
 694         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 695         g_free(real_name);
 696
 697         if (rename(oldpath, newpath) < 0) {
 698                 FILE_OP_ERROR(oldpath, "rename");
 699                 g_free(oldpath);
 700                 g_free(newpath);
 701                 return -1;
 702         }
 703
 704         g_free(oldpath);
 705         g_free(newpath);
 706
 707         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 708                 dirname = g_path_get_dirname(item->path);
 709                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 710                                           name, NULL);
 711                 g_free(dirname);
 712         } else
 713                 utf8newpath = g_strdup(name);
 714
 715         g_free(item->name);
 716         item->name = g_strdup(name);
 717
 718         paths[0] = g_strdup(item->path);
 719         paths[1] = utf8newpath;
 720         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 721                         mh_rename_folder_func, paths);
 722
 723         g_free(paths[0]);
 724         g_free(paths[1]);
 725         return 0;
 726 }
 727
 728 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 729 {
 730         gchar *path;
 731
 732         g_return_val_if_fail(folder != NULL, -1);
 733         g_return_val_if_fail(item != NULL, -1);
 734         g_return_val_if_fail(item->path != NULL, -1);
 735
 736         path = folder_item_get_path(item);
 737         if (remove_dir_recursive(path) < 0) {
 738                 g_warning("can't remove directory `%s'\n", path);
 739                 g_free(path);
 740                 return -1;
 741         }
 742
 743         g_free(path);
 744         folder_item_remove(item);
 745         return 0;
 746 }
 747
 748 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 749 {
 750         MsgInfo *msginfo;
 751         MsgFlags flags;
 752
 753         g_return_val_if_fail(item != NULL, NULL);
 754         g_return_val_if_fail(file != NULL, NULL);
 755
 756         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 757         flags.tmp_flags = 0;
 758
 759         if (item->stype == F_QUEUE) {
 760                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 761         } else if (item->stype == F_DRAFT) {
 762                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 763         }
 764
 765         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 766         if (!msginfo) return NULL;
 767
 768         msginfo->msgnum = atoi(file);
 769         msginfo->folder = item;
 770
 771         return msginfo;
 772 }
 773
 774 #if 0
 775 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 776 {
 777         gchar *entry;
 778         gboolean result;
 779
 780         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 781         result = is_dir_exist(entry);
 782         g_free(entry);
 783
 784         return result;
 785 }
 786
 787 /*
 788  * check whether PATH is a Maildir style mailbox.
 789  * This is the case if the 3 subdir: new, cur, tmp are existing.
 790  * This functon assumes that entry is an directory
 791  */
 792 static gboolean mh_is_maildir(const gchar *path)
 793 {
 794         return mh_is_maildir_one(path, "new") &&
 795                mh_is_maildir_one(path, "cur") &&
 796                mh_is_maildir_one(path, "tmp");
 797 }
 798 #endif
 799
 800 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 801 {
 802         FolderItem *item;
 803         gchar *path;
 804
 805         g_return_val_if_fail(node->data != NULL, FALSE);
 806
 807         if (G_NODE_IS_ROOT(node))
 808                 return FALSE;
 809
 810         item = FOLDER_ITEM(node->data);
 811
 812         path = folder_item_get_path(item);
 813         if (!is_dir_exist(path)) {
 814                 debug_print("folder '%s' not found. removing...\n", path);
 815                 folder_item_remove(item);
 816         }
 817         g_free(path);
 818
 819         return FALSE;
 820 }
 821
 822 static void mh_remove_missing_folder_items(Folder *folder)
 823 {
 824         g_return_if_fail(folder != NULL);
 825
 826         debug_print("searching missing folders...\n");
 827
 828         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 829                         mh_remove_missing_folder_items_func, folder);
 830 }
 831
 832 static void mh_scan_tree_recursive(FolderItem *item)
 833 {
 834         Folder *folder;
 835         DIR *dp;
 836         struct dirent *d;
 837         struct stat s;
 838         gchar *real_path, *entry, *utf8entry, *utf8name;
 839         gint n_msg = 0;
 840
 841         g_return_if_fail(item != NULL);
 842         g_return_if_fail(item->folder != NULL);
 843
 844         folder = item->folder;
 845
 846         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 847         dp = opendir(real_path);
 848         if (!dp) {
 849                 FILE_OP_ERROR(real_path, "opendir");
 850                 return;
 851         }
 852         g_free(real_path);
 853
 854         debug_print("scanning %s ...\n",
 855                     item->path ? item->path
 856                     : LOCAL_FOLDER(item->folder)->rootpath);
 857         if (folder->ui_func)
 858                 folder->ui_func(folder, item, folder->ui_func_data);
 859
 860         while ((d = readdir(dp)) != NULL) {
 861                 if (d->d_name[0] == '.') continue;
 862
 863                 utf8name = mh_filename_to_utf8(d->d_name);
 864                 if (item->path)
 865                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 866                                                 utf8name, NULL);
 867                 else
 868                         utf8entry = g_strdup(utf8name);
 869                 entry = mh_filename_from_utf8(utf8entry);
 870
 871                 if (
 872 #ifdef HAVE_DIRENT_D_TYPE
 873                         d->d_type == DT_DIR ||
 874                         (d->d_type == DT_UNKNOWN &&
 875 #endif
 876                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 877 #ifdef HAVE_DIRENT_D_TYPE
 878                         )
 879 #endif
 880                    ) {
 881                         FolderItem *new_item = NULL;
 882                         GNode *node;
 883
 884 #if 0
 885                         if (mh_is_maildir(entry)) {
 886                                 g_free(entry);
 887                                 g_free(utf8entry);
 888                                 g_free(utf8name);
 889                                 continue;
 890                         }
 891 #endif
 892
 893                         node = item->node;
 894                         for (node = node->children; node != NULL; node = node->next) {
 895                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 896                                 if (!strcmp2(cur_item->path, entry)) {
 897                                         new_item = cur_item;
 898                                         break;
 899                                 }
 900                         }
 901                         if (!new_item) {
 902                                 debug_print("new folder '%s' found.\n", entry);
 903                                 new_item = folder_item_new(folder, utf8name, utf8entry);
 904                                 folder_item_append(item, new_item);
 905                         }
 906
 907                         if (!item->path) {
 908                                 if (!folder->inbox &&
 909                                     !strcmp(d->d_name, INBOX_DIR)) {
 910                                         new_item->stype = F_INBOX;
 911                                         folder->inbox = new_item;
 912                                 } else if (!folder->outbox &&
 913                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 914                                         new_item->stype = F_OUTBOX;
 915                                         folder->outbox = new_item;
 916                                 } else if (!folder->draft &&
 917                                            !strcmp(d->d_name, DRAFT_DIR)) {
 918                                         new_item->stype = F_DRAFT;
 919                                         folder->draft = new_item;
 920                                 } else if (!folder->queue &&
 921                                            !strcmp(d->d_name, QUEUE_DIR)) {
 922                                         new_item->stype = F_QUEUE;
 923                                         folder->queue = new_item;
 924                                 } else if (!folder->trash &&
 925                                            !strcmp(d->d_name, TRASH_DIR)) {
 926                                         new_item->stype = F_TRASH;
 927                                         folder->trash = new_item;
 928                                 }
 929                         }
 930
 931                         mh_scan_tree_recursive(new_item);
 932                 } else if (to_number(d->d_name) != -1) n_msg++;
 933
 934                 g_free(entry);
 935                 g_free(utf8entry);
 936                 g_free(utf8name);
 937         }
 938
 939         closedir(dp);
 940
 941         item->mtime = time(NULL);
 942
 943 /*
 944         if (item->path) {
 945                 gint new, unread, total, min, max;
 946
 947                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 948                                      &min, &max, 0);
 949                 if (n_msg > total) {
 950                         new += n_msg - total;
 951                         unread += n_msg - total;
 952                 }
 953                 item->new = new;
 954                 item->unread = unread;
 955                 item->total = n_msg;
 956         }
 957 */
 958 }
 959
 960 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 961 {
 962         FolderItem *item = node->data;
 963         gchar **paths = data;
 964         const gchar *oldpath = paths[0];
 965         const gchar *newpath = paths[1];
 966         gchar *base;
 967         gchar *new_itempath;
 968         gint oldpathlen;
 969
 970         oldpathlen = strlen(oldpath);
 971         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 972                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 973                 return TRUE;
 974         }
 975
 976         base = item->path + oldpathlen;
 977         while (*base == G_DIR_SEPARATOR) base++;
 978         if (*base == '\0')
 979                 new_itempath = g_strdup(newpath);
 980         else
 981                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 982                                            NULL);
 983         g_free(item->path);
 984         item->path = new_itempath;
 985
 986         return FALSE;
 987 }
 988
 989 static gchar *mh_filename_from_utf8(const gchar *path)
 990 {
 991         const gchar *src_codeset = CS_UTF_8;
 992         const gchar *dest_codeset = conv_get_locale_charset_str();
 993         gchar *real_path;
 994
 995         real_path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 996         if (!real_path) {
 997                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
 998                 /* FIXME: show dialog? */
 999                 real_path = g_strdup(path);
1000         }
1001
1002         return real_path;
1003 }
1004
1005 static gchar *mh_filename_to_utf8(const gchar *path)
1006 {
1007         const gchar *src_codeset = conv_get_locale_charset_str();
1008         const gchar *dest_codeset = CS_UTF_8;
1009         gchar *utf8path;
1010
1011         utf8path = conv_codeset_strdup(path, src_codeset, dest_codeset);
1012         if (!utf8path) {
1013                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
1014                 /* FIXME: show dialog? */
1015                 utf8path = g_strdup(path);
1016         }
1017
1018         return utf8path;
1019 }