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 #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 FolderClass mh_class;
 111
 112 FolderClass *mh_get_class(void)
 113 {
 114         if (mh_class.idstr == NULL) {
 115                 mh_class.type = F_MH;
 116                 mh_class.idstr = "mh";
 117                 mh_class.uistr = "MH";
 118
 119                 /* Folder functions */
 120                 mh_class.new_folder = mh_folder_new;
 121                 mh_class.destroy_folder = mh_folder_destroy;
 122                 mh_class.set_xml = folder_local_set_xml;
 123                 mh_class.get_xml = folder_local_get_xml;
 124                 mh_class.scan_tree = mh_scan_tree;
 125                 mh_class.create_tree = mh_create_tree;
 126
 127                 /* FolderItem functions */
 128                 mh_class.item_get_path = mh_item_get_path;
 129                 mh_class.create_folder = mh_create_folder;
 130                 mh_class.rename_folder = mh_rename_folder;
 131                 mh_class.remove_folder = mh_remove_folder;
 132                 mh_class.get_num_list = mh_get_num_list;
 133
 134                 /* Message functions */
 135                 mh_class.get_msginfo = mh_get_msginfo;
 136                 mh_class.fetch_msg = mh_fetch_msg;
 137                 mh_class.add_msg = mh_add_msg;
 138                 mh_class.add_msgs = mh_add_msgs;
 139                 mh_class.copy_msg = mh_copy_msg;
 140                 mh_class.remove_msg = mh_remove_msg;
 141                 mh_class.remove_all_msg = mh_remove_all_msg;
 142                 mh_class.is_msg_changed = mh_is_msg_changed;
 143         }
 144
 145         return &mh_class;
 146 }
 147
 148 static Folder *mh_folder_new(const gchar *name, const gchar *path)
 149 {
 150         Folder *folder;
 151
 152         folder = (Folder *)g_new0(MHFolder, 1);
 153         folder->klass = &mh_class;
 154         mh_folder_init(folder, name, path);
 155
 156         return folder;
 157 }
 158
 159 static void mh_folder_destroy(Folder *folder)
 160 {
 161         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 162 }
 163
 164 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 165 {
 166         folder_local_folder_init(folder, name, path);
 167
 168 }
 169
 170 void mh_get_last_num(Folder *folder, FolderItem *item)
 171 {
 172         gchar *path;
 173         DIR *dp;
 174         struct dirent *d;
 175         gint max = 0;
 176         gint num;
 177
 178         g_return_if_fail(item != NULL);
 179
 180         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 181
 182         path = folder_item_get_path(item);
 183         g_return_if_fail(path != NULL);
 184         if (change_dir(path) < 0) {
 185                 g_free(path);
 186                 return;
 187         }
 188         g_free(path);
 189
 190         if ((dp = opendir(".")) == NULL) {
 191                 FILE_OP_ERROR(item->path, "opendir");
 192                 return;
 193         }
 194
 195         while ((d = readdir(dp)) != NULL) {
 196                 if ((num = to_number(d->d_name)) >= 0 &&
 197                     dirent_is_regular_file(d)) {
 198                         if (max < num)
 199                                 max = num;
 200                 }
 201         }
 202         closedir(dp);
 203
 204         debug_print("Last number in dir %s = %d\n", item->path, max);
 205         item->last_num = max;
 206 }
 207
 208 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 209 {
 210
 211         gchar *path;
 212         DIR *dp;
 213         struct dirent *d;
 214         gint num, nummsgs = 0;
 215
 216         g_return_val_if_fail(item != NULL, -1);
 217
 218         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 219
 220         *old_uids_valid = TRUE;
 221
 222         path = folder_item_get_path(item);
 223         g_return_val_if_fail(path != NULL, -1);
 224         if (change_dir(path) < 0) {
 225                 g_free(path);
 226                 return -1;
 227         }
 228         g_free(path);
 229
 230         if ((dp = opendir(".")) == NULL) {
 231                 FILE_OP_ERROR(item->path, "opendir");
 232                 return -1;
 233         }
 234
 235         while ((d = readdir(dp)) != NULL) {
 236                 if ((num = to_number(d->d_name)) >= 0) {
 237                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 238                         nummsgs++;
 239                 }
 240         }
 241         closedir(dp);
 242
 243         return nummsgs;
 244 }
 245
 246 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 247 {
 248         gchar *path;
 249         gchar *file;
 250
 251         g_return_val_if_fail(item != NULL, NULL);
 252         g_return_val_if_fail(num > 0, NULL);
 253
 254         path = folder_item_get_path(item);
 255         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 256
 257         if (!is_file_exist(file)) {
 258                 g_free(file);
 259                 return NULL;
 260         }
 261
 262         return file;
 263 }
 264
 265 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 266 {
 267         MsgInfo *msginfo;
 268         gchar *file;
 269
 270         g_return_val_if_fail(item != NULL, NULL);
 271         g_return_val_if_fail(num > 0, NULL);
 272
 273         file = mh_fetch_msg(folder, item, num);
 274         if (!file) return NULL;
 275
 276         msginfo = mh_parse_msg(file, item);
 277         if (msginfo)
 278                 msginfo->msgnum = num;
 279
 280         g_free(file);
 281
 282         return msginfo;
 283 }
 284
 285 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 286 {
 287         gchar *destfile;
 288         gchar *destpath;
 289
 290         destpath = folder_item_get_path(dest);
 291         g_return_val_if_fail(destpath != NULL, NULL);
 292
 293         if (!is_dir_exist(destpath))
 294                 make_dir_hier(destpath);
 295
 296         for (;;) {
 297                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 298                                            dest->last_num + 1);
 299                 if (is_file_entry_exist(destfile)) {
 300                         dest->last_num++;
 301                         g_free(destfile);
 302                 } else
 303                         break;
 304         }
 305
 306         g_free(destpath);
 307
 308         return destfile;
 309 }
 310
 311 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 312 {
 313         gint ret;
 314         GSList file_list;
 315         MsgFileInfo fileinfo;
 316
 317         g_return_val_if_fail(file != NULL, -1);
 318
 319         fileinfo.msginfo = NULL;
 320         fileinfo.file = (gchar *)file;
 321         fileinfo.flags = flags;
 322         file_list.data = &fileinfo;
 323         file_list.next = NULL;
 324
 325         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 326         return ret;
 327 }
 328
 329 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 330                  GRelation *relation)
 331 {
 332         gchar *destfile;
 333         GSList *cur;
 334         MsgFileInfo *fileinfo;
 335
 336         g_return_val_if_fail(dest != NULL, -1);
 337         g_return_val_if_fail(file_list != NULL, -1);
 338
 339         if (dest->last_num < 0) {
 340                 mh_get_last_num(folder, dest);
 341                 if (dest->last_num < 0) return -1;
 342         }
 343
 344         for (cur = file_list; cur != NULL; cur = cur->next) {
 345                 fileinfo = (MsgFileInfo *)cur->data;
 346
 347                 destfile = mh_get_new_msg_filename(dest);
 348                 if (destfile == NULL) return -1;
 349
 350                 if (link(fileinfo->file, destfile) < 0) {
 351                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 352                                 g_warning(_("can't copy message %s to %s\n"),
 353                                           fileinfo->file, destfile);
 354                                 g_free(destfile);
 355                                 return -1;
 356                         }
 357                 }
 358                 if (relation != NULL)
 359                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 360                 g_free(destfile);
 361                 dest->last_num++;
 362         }
 363
 364         return dest->last_num;
 365 }
 366
 367 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 368 {
 369         gchar *srcfile;
 370         gchar *destfile;
 371         gint filemode = 0;
 372         FolderItemPrefs *prefs;
 373
 374         g_return_val_if_fail(dest != NULL, -1);
 375         g_return_val_if_fail(msginfo != NULL, -1);
 376
 377         if (msginfo->folder == dest) {
 378                 g_warning("the src folder is identical to the dest.\n");
 379                 return -1;
 380         }
 381
 382         if (dest->last_num < 0) {
 383                 mh_get_last_num(folder, dest);
 384                 if (dest->last_num < 0) return -1;
 385         }
 386
 387         prefs = dest->prefs;
 388
 389         srcfile = procmsg_get_message_file(msginfo);
 390         destfile = mh_get_new_msg_filename(dest);
 391         if (!destfile) {
 392                 g_free(srcfile);
 393                 return -1;
 394         }
 395
 396         debug_print("Copying message %s%c%d to %s ...\n",
 397                     msginfo->folder->path, G_DIR_SEPARATOR,
 398                     msginfo->msgnum, dest->path);
 399
 400
 401         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 402         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 403                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 404                         g_free(srcfile);
 405                         g_free(destfile);
 406                         return -1;
 407                 }
 408         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 409                 FILE_OP_ERROR(srcfile, "copy");
 410                 g_free(srcfile);
 411                 g_free(destfile);
 412                 return -1;
 413         }
 414
 415
 416         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 417                 if (chmod(destfile, prefs->folder_chmod) < 0)
 418                         FILE_OP_ERROR(destfile, "chmod");
 419
 420                 /* for mark file */
 421                 filemode = prefs->folder_chmod;
 422                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 423                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 424         }
 425
 426         g_free(srcfile);
 427         g_free(destfile);
 428         dest->last_num++;
 429
 430         return dest->last_num;
 431 }
 432
 433 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 434 {
 435         gchar *file;
 436
 437         g_return_val_if_fail(item != NULL, -1);
 438
 439         file = mh_fetch_msg(folder, item, num);
 440         g_return_val_if_fail(file != NULL, -1);
 441
 442         if (unlink(file) < 0) {
 443                 FILE_OP_ERROR(file, "unlink");
 444                 g_free(file);
 445                 return -1;
 446         }
 447
 448         g_free(file);
 449         return 0;
 450 }
 451
 452 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 453 {
 454         gchar *path;
 455         gint val;
 456
 457         g_return_val_if_fail(item != NULL, -1);
 458
 459         path = folder_item_get_path(item);
 460         g_return_val_if_fail(path != NULL, -1);
 461         val = remove_all_numbered_files(path);
 462         g_free(path);
 463
 464         return val;
 465 }
 466
 467 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 468                                   MsgInfo *msginfo)
 469 {
 470         struct stat s;
 471
 472         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 473             msginfo->size  != s.st_size ||
 474             msginfo->mtime != s.st_mtime)
 475                 return TRUE;
 476
 477         return FALSE;
 478 }
 479
 480 static gint mh_scan_tree(Folder *folder)
 481 {
 482         FolderItem *item;
 483         gchar *rootpath;
 484
 485         g_return_val_if_fail(folder != NULL, -1);
 486
 487         if (!folder->node) {
 488                 item = folder_item_new(folder, folder->name, NULL);
 489                 item->folder = folder;
 490                 folder->node = item->node = g_node_new(item);
 491         } else
 492                 item = FOLDER_ITEM(folder->node->data);
 493
 494         rootpath = folder_item_get_path(item);
 495         if (change_dir(rootpath) < 0) {
 496                 g_free(rootpath);
 497                 return -1;
 498         }
 499         g_free(rootpath);
 500
 501         mh_create_tree(folder);
 502         mh_remove_missing_folder_items(folder);
 503         mh_scan_tree_recursive(item);
 504
 505         return 0;
 506 }
 507
 508 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 509 { \
 510         if (!is_dir_exist(dir)) { \
 511                 if (is_file_exist(dir)) { \
 512                         g_warning("File `%s' already exists.\n" \
 513                                     "Can't create folder.", dir); \
 514                         return -1; \
 515                 } \
 516                 if (make_dir(dir) < 0) \
 517                         return -1; \
 518         } \
 519 }
 520
 521 static gint mh_create_tree(Folder *folder)
 522 {
 523         gchar *rootpath;
 524
 525         g_return_val_if_fail(folder != NULL, -1);
 526
 527         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 528         rootpath = LOCAL_FOLDER(folder)->rootpath;
 529         MAKE_DIR_IF_NOT_EXIST(rootpath);
 530         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 531         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 532         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 533         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 534         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 535         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 536
 537         return 0;
 538 }
 539
 540 #undef MAKE_DIR_IF_NOT_EXIST
 541
 542 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 543 {
 544         gchar *folder_path, *path;
 545
 546         g_return_val_if_fail(folder != NULL, NULL);
 547         g_return_val_if_fail(item != NULL, NULL);
 548
 549         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 550         g_return_val_if_fail(folder_path != NULL, NULL);
 551
 552         if (folder_path[0] == G_DIR_SEPARATOR) {
 553                 if (item->path)
 554                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 555                                            item->path, NULL);
 556                 else
 557                         path = g_strdup(folder_path);
 558         } else {
 559                 if (item->path)
 560                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 561                                            folder_path, G_DIR_SEPARATOR_S,
 562                                            item->path, NULL);
 563                 else
 564                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 565                                            folder_path, NULL);
 566         }
 567         g_free(folder_path);
 568
 569         return path;
 570 }
 571
 572 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 573                                     const gchar *name)
 574 {
 575         gchar *path, *real_name;
 576         gchar *fullpath;
 577         FolderItem *new_item;
 578         gchar *mh_sequences_filename;
 579         FILE *mh_sequences_file;
 580
 581         g_return_val_if_fail(folder != NULL, NULL);
 582         g_return_val_if_fail(parent != NULL, NULL);
 583         g_return_val_if_fail(name != NULL, NULL);
 584
 585         path = folder_item_get_path(parent);
 586         if (!is_dir_exist(path))
 587                 if (make_dir_hier(path) != 0)
 588                         return NULL;
 589
 590         real_name = mh_filename_from_utf8(name);
 591         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 592         g_free(real_name);
 593         g_free(path);
 594
 595         if (make_dir(fullpath) < 0) {
 596                 g_free(fullpath);
 597                 return NULL;
 598         }
 599
 600         g_free(fullpath);
 601
 602         if (parent->path)
 603                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 604                                    NULL);
 605         else
 606                 path = g_strdup(name);
 607         new_item = folder_item_new(folder, name, path);
 608         folder_item_append(parent, new_item);
 609
 610         g_free(path);
 611
 612         path = folder_item_get_path(new_item);
 613         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 614                                             ".mh_sequences", NULL);
 615         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 616                 fclose(mh_sequences_file);
 617         }
 618         g_free(mh_sequences_filename);
 619         g_free(path);
 620
 621         return new_item;
 622 }
 623
 624 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 625                              const gchar *name)
 626 {
 627         gchar *real_name;
 628         gchar *oldpath;
 629         gchar *dirname;
 630         gchar *newpath, *utf8newpath;
 631         gchar *paths[2];
 632
 633         g_return_val_if_fail(folder != NULL, -1);
 634         g_return_val_if_fail(item != NULL, -1);
 635         g_return_val_if_fail(item->path != NULL, -1);
 636         g_return_val_if_fail(name != NULL, -1);
 637
 638         oldpath = folder_item_get_path(item);
 639         if (!is_dir_exist(oldpath))
 640                 make_dir_hier(oldpath);
 641
 642         dirname = g_dirname(oldpath);
 643         real_name = mh_filename_from_utf8(name);
 644         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 645         g_free(real_name);
 646
 647         if (rename(oldpath, newpath) < 0) {
 648                 FILE_OP_ERROR(oldpath, "rename");
 649                 g_free(oldpath);
 650                 g_free(newpath);
 651                 return -1;
 652         }
 653
 654         g_free(oldpath);
 655         g_free(newpath);
 656
 657         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 658                 dirname = g_dirname(item->path);
 659                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 660                                           name, NULL);
 661                 g_free(dirname);
 662         } else
 663                 utf8newpath = g_strdup(name);
 664
 665         g_free(item->name);
 666         item->name = g_strdup(name);
 667
 668         paths[0] = g_strdup(item->path);
 669         paths[1] = utf8newpath;
 670         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 671                         mh_rename_folder_func, paths);
 672
 673         g_free(paths[0]);
 674         g_free(paths[1]);
 675         return 0;
 676 }
 677
 678 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 679 {
 680         gchar *path;
 681
 682         g_return_val_if_fail(folder != NULL, -1);
 683         g_return_val_if_fail(item != NULL, -1);
 684         g_return_val_if_fail(item->path != NULL, -1);
 685
 686         path = folder_item_get_path(item);
 687         if (remove_dir_recursive(path) < 0) {
 688                 g_warning("can't remove directory `%s'\n", path);
 689                 g_free(path);
 690                 return -1;
 691         }
 692
 693         g_free(path);
 694         folder_item_remove(item);
 695         return 0;
 696 }
 697
 698 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 699 {
 700         struct stat s;
 701         MsgInfo *msginfo;
 702         MsgFlags flags;
 703
 704         g_return_val_if_fail(item != NULL, NULL);
 705         g_return_val_if_fail(file != NULL, NULL);
 706
 707         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 708         flags.tmp_flags = 0;
 709
 710         if (item->stype == F_QUEUE) {
 711                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 712         } else if (item->stype == F_DRAFT) {
 713                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 714         }
 715
 716         if (stat(file, &s) < 0) {
 717                 FILE_OP_ERROR(file, "stat");
 718                 return NULL;
 719         }
 720         if (!S_ISREG(s.st_mode))
 721                 return NULL;
 722
 723         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 724         if (!msginfo) return NULL;
 725
 726         msginfo->msgnum = atoi(file);
 727         msginfo->folder = item;
 728         msginfo->size = s.st_size;
 729         msginfo->mtime = s.st_mtime;
 730
 731         return msginfo;
 732 }
 733
 734 #if 0
 735 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 736 {
 737         gchar *entry;
 738         gboolean result;
 739
 740         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 741         result = is_dir_exist(entry);
 742         g_free(entry);
 743
 744         return result;
 745 }
 746
 747 /*
 748  * check whether PATH is a Maildir style mailbox.
 749  * This is the case if the 3 subdir: new, cur, tmp are existing.
 750  * This functon assumes that entry is an directory
 751  */
 752 static gboolean mh_is_maildir(const gchar *path)
 753 {
 754         return mh_is_maildir_one(path, "new") &&
 755                mh_is_maildir_one(path, "cur") &&
 756                mh_is_maildir_one(path, "tmp");
 757 }
 758 #endif
 759
 760 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 761 {
 762         FolderItem *item;
 763         gchar *path;
 764
 765         g_return_val_if_fail(node->data != NULL, FALSE);
 766
 767         if (G_NODE_IS_ROOT(node))
 768                 return FALSE;
 769
 770         item = FOLDER_ITEM(node->data);
 771
 772         path = folder_item_get_path(item);
 773         if (!is_dir_exist(path)) {
 774                 debug_print("folder '%s' not found. removing...\n", path);
 775                 folder_item_remove(item);
 776         }
 777         g_free(path);
 778
 779         return FALSE;
 780 }
 781
 782 static void mh_remove_missing_folder_items(Folder *folder)
 783 {
 784         g_return_if_fail(folder != NULL);
 785
 786         debug_print("searching missing folders...\n");
 787
 788         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 789                         mh_remove_missing_folder_items_func, folder);
 790 }
 791
 792 static void mh_scan_tree_recursive(FolderItem *item)
 793 {
 794         Folder *folder;
 795         DIR *dp;
 796         struct dirent *d;
 797         struct stat s;
 798         gchar *real_path, *entry, *utf8entry, *utf8name;
 799         gint n_msg = 0;
 800
 801         g_return_if_fail(item != NULL);
 802         g_return_if_fail(item->folder != NULL);
 803
 804         folder = item->folder;
 805
 806         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 807         dp = opendir(real_path);
 808         if (!dp) {
 809                 FILE_OP_ERROR(real_path, "opendir");
 810                 return;
 811         }
 812         g_free(real_path);
 813
 814         debug_print("scanning %s ...\n",
 815                     item->path ? item->path
 816                     : LOCAL_FOLDER(item->folder)->rootpath);
 817         if (folder->ui_func)
 818                 folder->ui_func(folder, item, folder->ui_func_data);
 819
 820         while ((d = readdir(dp)) != NULL) {
 821                 if (d->d_name[0] == '.') continue;
 822
 823                 utf8name = mh_filename_to_utf8(d->d_name);
 824                 if (item->path)
 825                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 826                                                 utf8name, NULL);
 827                 else
 828                         utf8entry = g_strdup(utf8name);
 829                 entry = mh_filename_from_utf8(utf8entry);
 830
 831                 if (
 832 #ifdef HAVE_DIRENT_D_TYPE
 833                         d->d_type == DT_DIR ||
 834                         (d->d_type == DT_UNKNOWN &&
 835 #endif
 836                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 837 #ifdef HAVE_DIRENT_D_TYPE
 838                         )
 839 #endif
 840                    ) {
 841                         FolderItem *new_item = NULL;
 842                         GNode *node;
 843
 844 #if 0
 845                         if (mh_is_maildir(entry)) {
 846                                 g_free(entry);
 847                                 g_free(utf8entry);
 848                                 g_free(utf8name);
 849                                 continue;
 850                         }
 851 #endif
 852
 853                         node = item->node;
 854                         for (node = node->children; node != NULL; node = node->next) {
 855                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 856                                 if (!strcmp2(cur_item->path, entry)) {
 857                                         new_item = cur_item;
 858                                         break;
 859                                 }
 860                         }
 861                         if (!new_item) {
 862                                 debug_print("new folder '%s' found.\n", entry);
 863                                 new_item = folder_item_new(folder, utf8name, utf8entry);
 864                                 folder_item_append(item, new_item);
 865                         }
 866
 867                         if (!item->path) {
 868                                 if (!folder->inbox &&
 869                                     !strcmp(d->d_name, INBOX_DIR)) {
 870                                         new_item->stype = F_INBOX;
 871                                         folder->inbox = new_item;
 872                                 } else if (!folder->outbox &&
 873                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 874                                         new_item->stype = F_OUTBOX;
 875                                         folder->outbox = new_item;
 876                                 } else if (!folder->draft &&
 877                                            !strcmp(d->d_name, DRAFT_DIR)) {
 878                                         new_item->stype = F_DRAFT;
 879                                         folder->draft = new_item;
 880                                 } else if (!folder->queue &&
 881                                            !strcmp(d->d_name, QUEUE_DIR)) {
 882                                         new_item->stype = F_QUEUE;
 883                                         folder->queue = new_item;
 884                                 } else if (!folder->trash &&
 885                                            !strcmp(d->d_name, TRASH_DIR)) {
 886                                         new_item->stype = F_TRASH;
 887                                         folder->trash = new_item;
 888                                 }
 889                         }
 890
 891                         mh_scan_tree_recursive(new_item);
 892                 } else if (to_number(d->d_name) != -1) n_msg++;
 893
 894                 g_free(entry);
 895                 g_free(utf8entry);
 896                 g_free(utf8name);
 897         }
 898
 899         closedir(dp);
 900
 901 /*
 902         if (item->path) {
 903                 gint new, unread, total, min, max;
 904
 905                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 906                                      &min, &max, 0);
 907                 if (n_msg > total) {
 908                         new += n_msg - total;
 909                         unread += n_msg - total;
 910                 }
 911                 item->new = new;
 912                 item->unread = unread;
 913                 item->total = n_msg;
 914         }
 915 */
 916 }
 917
 918 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 919 {
 920         FolderItem *item = node->data;
 921         gchar **paths = data;
 922         const gchar *oldpath = paths[0];
 923         const gchar *newpath = paths[1];
 924         gchar *base;
 925         gchar *new_itempath;
 926         gint oldpathlen;
 927
 928         oldpathlen = strlen(oldpath);
 929         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 930                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 931                 return TRUE;
 932         }
 933
 934         base = item->path + oldpathlen;
 935         while (*base == G_DIR_SEPARATOR) base++;
 936         if (*base == '\0')
 937                 new_itempath = g_strdup(newpath);
 938         else
 939                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 940                                            NULL);
 941         g_free(item->path);
 942         item->path = new_itempath;
 943
 944         return FALSE;
 945 }
 946
 947 #warning FIXME_GTK2 /* should we use g_filename_from_utf8()? */
 948 static gchar *mh_filename_from_utf8(const gchar *path)
 949 {
 950         const gchar *src_codeset = CS_UTF_8;
 951         const gchar *dest_codeset = conv_get_current_charset_str();
 952         gchar *real_path;
 953
 954         real_path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 955         if (!real_path) {
 956                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
 957                 /* FIXME: show dialog? */
 958                 real_path = g_strdup(path);
 959         }
 960
 961         return real_path;
 962 }
 963
 964 #warning FIXME_GTK2 /* should we use g_filename_to_utf8()? */
 965 static gchar *mh_filename_to_utf8(const gchar *path)
 966 {
 967         const gchar *src_codeset = conv_get_current_charset_str();
 968         const gchar *dest_codeset = CS_UTF_8;
 969         gchar *utf8path;
 970
 971         utf8path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 972         if (!utf8path) {
 973                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
 974                 /* FIXME: show dialog? */
 975                 utf8path = g_strdup(path);
 976         }
 977
 978         return utf8path;
 979 }