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         F_MH,
 113         "mh",
 114         "MH",
 115
 116         /* Folder functions */
 117         mh_folder_new,
 118         mh_folder_destroy,
 119         folder_local_set_xml,
 120         folder_local_get_xml,
 121         mh_scan_tree,
 122         mh_create_tree,
 123
 124         /* FolderItem functions */
 125         NULL,
 126         NULL,
 127         NULL,
 128         NULL,
 129         mh_item_get_path,
 130         mh_create_folder,
 131         mh_rename_folder,
 132         mh_remove_folder,
 133         NULL,
 134         mh_get_num_list,
 135         NULL,
 136         NULL,
 137         NULL,
 138         NULL,
 139
 140         /* Message functions */
 141         mh_get_msginfo,
 142         NULL,
 143         mh_fetch_msg,
 144         mh_add_msg,
 145         mh_add_msgs,
 146         mh_copy_msg,
 147         NULL,
 148         mh_remove_msg,
 149         mh_remove_all_msg,
 150         mh_is_msg_changed,
 151         NULL,
 152 };
 153
 154 FolderClass *mh_get_class(void)
 155 {
 156         return &mh_class;
 157 }
 158
 159 static Folder *mh_folder_new(const gchar *name, const gchar *path)
 160 {
 161         Folder *folder;
 162
 163         folder = (Folder *)g_new0(MHFolder, 1);
 164         folder->klass = &mh_class;
 165         mh_folder_init(folder, name, path);
 166
 167         return folder;
 168 }
 169
 170 static void mh_folder_destroy(Folder *folder)
 171 {
 172         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 173 }
 174
 175 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 176 {
 177         folder_local_folder_init(folder, name, path);
 178
 179 }
 180
 181 void mh_get_last_num(Folder *folder, FolderItem *item)
 182 {
 183         gchar *path;
 184         DIR *dp;
 185         struct dirent *d;
 186         gint max = 0;
 187         gint num;
 188
 189         g_return_if_fail(item != NULL);
 190
 191         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 192
 193         path = folder_item_get_path(item);
 194         g_return_if_fail(path != NULL);
 195         if (change_dir(path) < 0) {
 196                 g_free(path);
 197                 return;
 198         }
 199         g_free(path);
 200
 201         if ((dp = opendir(".")) == NULL) {
 202                 FILE_OP_ERROR(item->path, "opendir");
 203                 return;
 204         }
 205
 206         while ((d = readdir(dp)) != NULL) {
 207                 if ((num = to_number(d->d_name)) >= 0 &&
 208                     dirent_is_regular_file(d)) {
 209                         if (max < num)
 210                                 max = num;
 211                 }
 212         }
 213         closedir(dp);
 214
 215         debug_print("Last number in dir %s = %d\n", item->path, max);
 216         item->last_num = max;
 217 }
 218
 219 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list, gboolean *old_uids_valid)
 220 {
 221
 222         gchar *path;
 223         DIR *dp;
 224         struct dirent *d;
 225         gint num, nummsgs = 0;
 226
 227         g_return_val_if_fail(item != NULL, -1);
 228
 229         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 230
 231         *old_uids_valid = TRUE;
 232
 233         path = folder_item_get_path(item);
 234         g_return_val_if_fail(path != NULL, -1);
 235         if (change_dir(path) < 0) {
 236                 g_free(path);
 237                 return -1;
 238         }
 239         g_free(path);
 240
 241         if ((dp = opendir(".")) == NULL) {
 242                 FILE_OP_ERROR(item->path, "opendir");
 243                 return -1;
 244         }
 245
 246         while ((d = readdir(dp)) != NULL) {
 247                 if ((num = to_number(d->d_name)) >= 0) {
 248                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 249                         nummsgs++;
 250                 }
 251         }
 252         closedir(dp);
 253
 254         return nummsgs;
 255 }
 256
 257 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 258 {
 259         gchar *path;
 260         gchar *file;
 261
 262         g_return_val_if_fail(item != NULL, NULL);
 263         g_return_val_if_fail(num > 0, NULL);
 264
 265         path = folder_item_get_path(item);
 266         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 267
 268         if (!is_file_exist(file)) {
 269                 g_free(file);
 270                 return NULL;
 271         }
 272
 273         return file;
 274 }
 275
 276 static MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 277 {
 278         MsgInfo *msginfo;
 279         gchar *file;
 280
 281         g_return_val_if_fail(item != NULL, NULL);
 282         g_return_val_if_fail(num > 0, NULL);
 283
 284         file = mh_fetch_msg(folder, item, num);
 285         if (!file) return NULL;
 286
 287         msginfo = mh_parse_msg(file, item);
 288         if (msginfo)
 289                 msginfo->msgnum = num;
 290
 291         g_free(file);
 292
 293         return msginfo;
 294 }
 295
 296 static gchar *mh_get_new_msg_filename(FolderItem *dest)
 297 {
 298         gchar *destfile;
 299         gchar *destpath;
 300
 301         destpath = folder_item_get_path(dest);
 302         g_return_val_if_fail(destpath != NULL, NULL);
 303
 304         if (!is_dir_exist(destpath))
 305                 make_dir_hier(destpath);
 306
 307         for (;;) {
 308                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 309                                            dest->last_num + 1);
 310                 if (is_file_entry_exist(destfile)) {
 311                         dest->last_num++;
 312                         g_free(destfile);
 313                 } else
 314                         break;
 315         }
 316
 317         g_free(destpath);
 318
 319         return destfile;
 320 }
 321
 322 static gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file, MsgFlags *flags)
 323 {
 324         gint ret;
 325         GSList file_list;
 326         MsgFileInfo fileinfo;
 327
 328         g_return_val_if_fail(file != NULL, -1);
 329
 330         fileinfo.msginfo = NULL;
 331         fileinfo.file = (gchar *)file;
 332         fileinfo.flags = flags;
 333         file_list.data = &fileinfo;
 334         file_list.next = NULL;
 335
 336         ret = mh_add_msgs(folder, dest, &file_list, NULL);
 337         return ret;
 338 }
 339
 340 static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 341                  GRelation *relation)
 342 {
 343         gchar *destfile;
 344         GSList *cur;
 345         MsgFileInfo *fileinfo;
 346
 347         g_return_val_if_fail(dest != NULL, -1);
 348         g_return_val_if_fail(file_list != NULL, -1);
 349
 350         if (dest->last_num < 0) {
 351                 mh_get_last_num(folder, dest);
 352                 if (dest->last_num < 0) return -1;
 353         }
 354
 355         for (cur = file_list; cur != NULL; cur = cur->next) {
 356                 fileinfo = (MsgFileInfo *)cur->data;
 357
 358                 destfile = mh_get_new_msg_filename(dest);
 359                 if (destfile == NULL) return -1;
 360
 361                 if (link(fileinfo->file, destfile) < 0) {
 362                         if (copy_file(fileinfo->file, destfile, TRUE) < 0) {
 363                                 g_warning(_("can't copy message %s to %s\n"),
 364                                           fileinfo->file, destfile);
 365                                 g_free(destfile);
 366                                 return -1;
 367                         }
 368                 }
 369                 if (relation != NULL)
 370                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(dest->last_num + 1));
 371                 g_free(destfile);
 372                 dest->last_num++;
 373         }
 374
 375         return dest->last_num;
 376 }
 377
 378 static gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 379 {
 380         gchar *srcfile;
 381         gchar *destfile;
 382         gint filemode = 0;
 383         FolderItemPrefs *prefs;
 384
 385         g_return_val_if_fail(dest != NULL, -1);
 386         g_return_val_if_fail(msginfo != NULL, -1);
 387
 388         if (msginfo->folder == dest) {
 389                 g_warning("the src folder is identical to the dest.\n");
 390                 return -1;
 391         }
 392
 393         if (dest->last_num < 0) {
 394                 mh_get_last_num(folder, dest);
 395                 if (dest->last_num < 0) return -1;
 396         }
 397
 398         prefs = dest->prefs;
 399
 400         srcfile = procmsg_get_message_file(msginfo);
 401         destfile = mh_get_new_msg_filename(dest);
 402         if (!destfile) {
 403                 g_free(srcfile);
 404                 return -1;
 405         }
 406
 407         debug_print("Copying message %s%c%d to %s ...\n",
 408                     msginfo->folder->path, G_DIR_SEPARATOR,
 409                     msginfo->msgnum, dest->path);
 410
 411
 412         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 413         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 414                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 415                         g_free(srcfile);
 416                         g_free(destfile);
 417                         return -1;
 418                 }
 419         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 420                 FILE_OP_ERROR(srcfile, "copy");
 421                 g_free(srcfile);
 422                 g_free(destfile);
 423                 return -1;
 424         }
 425
 426
 427         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 428                 if (chmod(destfile, prefs->folder_chmod) < 0)
 429                         FILE_OP_ERROR(destfile, "chmod");
 430
 431                 /* for mark file */
 432                 filemode = prefs->folder_chmod;
 433                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 434                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 435         }
 436
 437         g_free(srcfile);
 438         g_free(destfile);
 439         dest->last_num++;
 440
 441         return dest->last_num;
 442 }
 443
 444 static gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 445 {
 446         gchar *file;
 447
 448         g_return_val_if_fail(item != NULL, -1);
 449
 450         file = mh_fetch_msg(folder, item, num);
 451         g_return_val_if_fail(file != NULL, -1);
 452
 453         if (unlink(file) < 0) {
 454                 FILE_OP_ERROR(file, "unlink");
 455                 g_free(file);
 456                 return -1;
 457         }
 458
 459         g_free(file);
 460         return 0;
 461 }
 462
 463 static gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 464 {
 465         gchar *path;
 466         gint val;
 467
 468         g_return_val_if_fail(item != NULL, -1);
 469
 470         path = folder_item_get_path(item);
 471         g_return_val_if_fail(path != NULL, -1);
 472         val = remove_all_numbered_files(path);
 473         g_free(path);
 474
 475         return val;
 476 }
 477
 478 static gboolean mh_is_msg_changed(Folder *folder, FolderItem *item,
 479                                   MsgInfo *msginfo)
 480 {
 481         struct stat s;
 482
 483         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 484             msginfo->size  != s.st_size ||
 485             msginfo->mtime != s.st_mtime)
 486                 return TRUE;
 487
 488         return FALSE;
 489 }
 490
 491 static gint mh_scan_tree(Folder *folder)
 492 {
 493         FolderItem *item;
 494         gchar *rootpath;
 495
 496         g_return_val_if_fail(folder != NULL, -1);
 497
 498         if (!folder->node) {
 499                 item = folder_item_new(folder, folder->name, NULL);
 500                 item->folder = folder;
 501                 folder->node = item->node = g_node_new(item);
 502         } else
 503                 item = FOLDER_ITEM(folder->node->data);
 504
 505         rootpath = folder_item_get_path(item);
 506         if (change_dir(rootpath) < 0) {
 507                 g_free(rootpath);
 508                 return -1;
 509         }
 510         g_free(rootpath);
 511
 512         mh_create_tree(folder);
 513         mh_remove_missing_folder_items(folder);
 514         mh_scan_tree_recursive(item);
 515
 516         return 0;
 517 }
 518
 519 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 520 { \
 521         if (!is_dir_exist(dir)) { \
 522                 if (is_file_exist(dir)) { \
 523                         g_warning("File `%s' already exists.\n" \
 524                                     "Can't create folder.", dir); \
 525                         return -1; \
 526                 } \
 527                 if (make_dir(dir) < 0) \
 528                         return -1; \
 529         } \
 530 }
 531
 532 static gint mh_create_tree(Folder *folder)
 533 {
 534         gchar *rootpath;
 535
 536         g_return_val_if_fail(folder != NULL, -1);
 537
 538         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 539         rootpath = LOCAL_FOLDER(folder)->rootpath;
 540         MAKE_DIR_IF_NOT_EXIST(rootpath);
 541         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 542         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 543         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 544         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 545         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 546         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 547
 548         return 0;
 549 }
 550
 551 #undef MAKE_DIR_IF_NOT_EXIST
 552
 553 static gchar *mh_item_get_path(Folder *folder, FolderItem *item)
 554 {
 555         gchar *folder_path, *path;
 556
 557         g_return_val_if_fail(folder != NULL, NULL);
 558         g_return_val_if_fail(item != NULL, NULL);
 559
 560         folder_path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 561         g_return_val_if_fail(folder_path != NULL, NULL);
 562
 563         if (folder_path[0] == G_DIR_SEPARATOR) {
 564                 if (item->path)
 565                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 566                                            item->path, NULL);
 567                 else
 568                         path = g_strdup(folder_path);
 569         } else {
 570                 if (item->path)
 571                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 572                                            folder_path, G_DIR_SEPARATOR_S,
 573                                            item->path, NULL);
 574                 else
 575                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 576                                            folder_path, NULL);
 577         }
 578         g_free(folder_path);
 579
 580         return path;
 581 }
 582
 583 static FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 584                                     const gchar *name)
 585 {
 586         gchar *path, *real_name;
 587         gchar *fullpath;
 588         FolderItem *new_item;
 589         gchar *mh_sequences_filename;
 590         FILE *mh_sequences_file;
 591
 592         g_return_val_if_fail(folder != NULL, NULL);
 593         g_return_val_if_fail(parent != NULL, NULL);
 594         g_return_val_if_fail(name != NULL, NULL);
 595
 596         path = folder_item_get_path(parent);
 597         if (!is_dir_exist(path))
 598                 if (make_dir_hier(path) != 0)
 599                         return NULL;
 600
 601         real_name = mh_filename_from_utf8(name);
 602         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, real_name, NULL);
 603         g_free(real_name);
 604         g_free(path);
 605
 606         if (make_dir(fullpath) < 0) {
 607                 g_free(fullpath);
 608                 return NULL;
 609         }
 610
 611         g_free(fullpath);
 612
 613         if (parent->path)
 614                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 615                                    NULL);
 616         else
 617                 path = g_strdup(name);
 618         new_item = folder_item_new(folder, name, path);
 619         folder_item_append(parent, new_item);
 620
 621         g_free(path);
 622
 623         path = folder_item_get_path(new_item);
 624         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 625                                             ".mh_sequences", NULL);
 626         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 627                 fclose(mh_sequences_file);
 628         }
 629         g_free(mh_sequences_filename);
 630         g_free(path);
 631
 632         return new_item;
 633 }
 634
 635 static gint mh_rename_folder(Folder *folder, FolderItem *item,
 636                              const gchar *name)
 637 {
 638         gchar *real_name;
 639         gchar *oldpath;
 640         gchar *dirname;
 641         gchar *newpath, *utf8newpath;
 642         gchar *paths[2];
 643
 644         g_return_val_if_fail(folder != NULL, -1);
 645         g_return_val_if_fail(item != NULL, -1);
 646         g_return_val_if_fail(item->path != NULL, -1);
 647         g_return_val_if_fail(name != NULL, -1);
 648
 649         oldpath = folder_item_get_path(item);
 650         if (!is_dir_exist(oldpath))
 651                 make_dir_hier(oldpath);
 652
 653         dirname = g_dirname(oldpath);
 654         real_name = mh_filename_from_utf8(name);
 655         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, real_name, NULL);
 656         g_free(real_name);
 657
 658         if (rename(oldpath, newpath) < 0) {
 659                 FILE_OP_ERROR(oldpath, "rename");
 660                 g_free(oldpath);
 661                 g_free(newpath);
 662                 return -1;
 663         }
 664
 665         g_free(oldpath);
 666         g_free(newpath);
 667
 668         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 669                 dirname = g_dirname(item->path);
 670                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S,
 671                                           name, NULL);
 672                 g_free(dirname);
 673         } else
 674                 utf8newpath = g_strdup(name);
 675
 676         g_free(item->name);
 677         item->name = g_strdup(name);
 678
 679         paths[0] = g_strdup(item->path);
 680         paths[1] = utf8newpath;
 681         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 682                         mh_rename_folder_func, paths);
 683
 684         g_free(paths[0]);
 685         g_free(paths[1]);
 686         return 0;
 687 }
 688
 689 static gint mh_remove_folder(Folder *folder, FolderItem *item)
 690 {
 691         gchar *path;
 692
 693         g_return_val_if_fail(folder != NULL, -1);
 694         g_return_val_if_fail(item != NULL, -1);
 695         g_return_val_if_fail(item->path != NULL, -1);
 696
 697         path = folder_item_get_path(item);
 698         if (remove_dir_recursive(path) < 0) {
 699                 g_warning("can't remove directory `%s'\n", path);
 700                 g_free(path);
 701                 return -1;
 702         }
 703
 704         g_free(path);
 705         folder_item_remove(item);
 706         return 0;
 707 }
 708
 709 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 710 {
 711         struct stat s;
 712         MsgInfo *msginfo;
 713         MsgFlags flags;
 714
 715         g_return_val_if_fail(item != NULL, NULL);
 716         g_return_val_if_fail(file != NULL, NULL);
 717
 718         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 719         flags.tmp_flags = 0;
 720
 721         if (item->stype == F_QUEUE) {
 722                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 723         } else if (item->stype == F_DRAFT) {
 724                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 725         }
 726
 727         if (stat(file, &s) < 0) {
 728                 FILE_OP_ERROR(file, "stat");
 729                 return NULL;
 730         }
 731         if (!S_ISREG(s.st_mode))
 732                 return NULL;
 733
 734         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 735         if (!msginfo) return NULL;
 736
 737         msginfo->msgnum = atoi(file);
 738         msginfo->folder = item;
 739         msginfo->size = s.st_size;
 740         msginfo->mtime = s.st_mtime;
 741
 742         return msginfo;
 743 }
 744
 745 #if 0
 746 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 747 {
 748         gchar *entry;
 749         gboolean result;
 750
 751         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 752         result = is_dir_exist(entry);
 753         g_free(entry);
 754
 755         return result;
 756 }
 757
 758 /*
 759  * check whether PATH is a Maildir style mailbox.
 760  * This is the case if the 3 subdir: new, cur, tmp are existing.
 761  * This functon assumes that entry is an directory
 762  */
 763 static gboolean mh_is_maildir(const gchar *path)
 764 {
 765         return mh_is_maildir_one(path, "new") &&
 766                mh_is_maildir_one(path, "cur") &&
 767                mh_is_maildir_one(path, "tmp");
 768 }
 769 #endif
 770
 771 static gboolean mh_remove_missing_folder_items_func(GNode *node, gpointer data)
 772 {
 773         FolderItem *item;
 774         gchar *path;
 775
 776         g_return_val_if_fail(node->data != NULL, FALSE);
 777
 778         if (G_NODE_IS_ROOT(node))
 779                 return FALSE;
 780
 781         item = FOLDER_ITEM(node->data);
 782
 783         path = folder_item_get_path(item);
 784         if (!is_dir_exist(path)) {
 785                 debug_print("folder '%s' not found. removing...\n", path);
 786                 folder_item_remove(item);
 787         }
 788         g_free(path);
 789
 790         return FALSE;
 791 }
 792
 793 static void mh_remove_missing_folder_items(Folder *folder)
 794 {
 795         g_return_if_fail(folder != NULL);
 796
 797         debug_print("searching missing folders...\n");
 798
 799         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 800                         mh_remove_missing_folder_items_func, folder);
 801 }
 802
 803 static void mh_scan_tree_recursive(FolderItem *item)
 804 {
 805         Folder *folder;
 806         DIR *dp;
 807         struct dirent *d;
 808         struct stat s;
 809         gchar *real_path, *entry, *utf8entry, *utf8name;
 810         gint n_msg = 0;
 811
 812         g_return_if_fail(item != NULL);
 813         g_return_if_fail(item->folder != NULL);
 814
 815         folder = item->folder;
 816
 817         real_path = item->path ? mh_filename_from_utf8(item->path) : g_strdup(".");
 818         dp = opendir(real_path);
 819         if (!dp) {
 820                 FILE_OP_ERROR(real_path, "opendir");
 821                 return;
 822         }
 823         g_free(real_path);
 824
 825         debug_print("scanning %s ...\n",
 826                     item->path ? item->path
 827                     : LOCAL_FOLDER(item->folder)->rootpath);
 828         if (folder->ui_func)
 829                 folder->ui_func(folder, item, folder->ui_func_data);
 830
 831         while ((d = readdir(dp)) != NULL) {
 832                 if (d->d_name[0] == '.') continue;
 833
 834                 utf8name = mh_filename_to_utf8(d->d_name);
 835                 if (item->path)
 836                         utf8entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
 837                                                 utf8name, NULL);
 838                 else
 839                         utf8entry = g_strdup(utf8name);
 840                 entry = mh_filename_from_utf8(utf8entry);
 841
 842                 if (
 843 #ifdef HAVE_DIRENT_D_TYPE
 844                         d->d_type == DT_DIR ||
 845                         (d->d_type == DT_UNKNOWN &&
 846 #endif
 847                         stat(entry, &s) == 0 && S_ISDIR(s.st_mode)
 848 #ifdef HAVE_DIRENT_D_TYPE
 849                         )
 850 #endif
 851                    ) {
 852                         FolderItem *new_item = NULL;
 853                         GNode *node;
 854
 855 #if 0
 856                         if (mh_is_maildir(entry)) {
 857                                 g_free(entry);
 858                                 g_free(utf8entry);
 859                                 g_free(utf8name);
 860                                 continue;
 861                         }
 862 #endif
 863
 864                         node = item->node;
 865                         for (node = node->children; node != NULL; node = node->next) {
 866                                 FolderItem *cur_item = FOLDER_ITEM(node->data);
 867                                 if (!strcmp2(cur_item->path, entry)) {
 868                                         new_item = cur_item;
 869                                         break;
 870                                 }
 871                         }
 872                         if (!new_item) {
 873                                 debug_print("new folder '%s' found.\n", entry);
 874                                 new_item = folder_item_new(folder, utf8name, utf8entry);
 875                                 folder_item_append(item, new_item);
 876                         }
 877
 878                         if (!item->path) {
 879                                 if (!folder->inbox &&
 880                                     !strcmp(d->d_name, INBOX_DIR)) {
 881                                         new_item->stype = F_INBOX;
 882                                         folder->inbox = new_item;
 883                                 } else if (!folder->outbox &&
 884                                            !strcmp(d->d_name, OUTBOX_DIR)) {
 885                                         new_item->stype = F_OUTBOX;
 886                                         folder->outbox = new_item;
 887                                 } else if (!folder->draft &&
 888                                            !strcmp(d->d_name, DRAFT_DIR)) {
 889                                         new_item->stype = F_DRAFT;
 890                                         folder->draft = new_item;
 891                                 } else if (!folder->queue &&
 892                                            !strcmp(d->d_name, QUEUE_DIR)) {
 893                                         new_item->stype = F_QUEUE;
 894                                         folder->queue = new_item;
 895                                 } else if (!folder->trash &&
 896                                            !strcmp(d->d_name, TRASH_DIR)) {
 897                                         new_item->stype = F_TRASH;
 898                                         folder->trash = new_item;
 899                                 }
 900                         }
 901
 902                         mh_scan_tree_recursive(new_item);
 903                 } else if (to_number(d->d_name) != -1) n_msg++;
 904
 905                 g_free(entry);
 906                 g_free(utf8entry);
 907                 g_free(utf8name);
 908         }
 909
 910         closedir(dp);
 911
 912 /*
 913         if (item->path) {
 914                 gint new, unread, total, min, max;
 915
 916                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
 917                                      &min, &max, 0);
 918                 if (n_msg > total) {
 919                         new += n_msg - total;
 920                         unread += n_msg - total;
 921                 }
 922                 item->new = new;
 923                 item->unread = unread;
 924                 item->total = n_msg;
 925         }
 926 */
 927 }
 928
 929 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
 930 {
 931         FolderItem *item = node->data;
 932         gchar **paths = data;
 933         const gchar *oldpath = paths[0];
 934         const gchar *newpath = paths[1];
 935         gchar *base;
 936         gchar *new_itempath;
 937         gint oldpathlen;
 938
 939         oldpathlen = strlen(oldpath);
 940         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 941                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 942                 return TRUE;
 943         }
 944
 945         base = item->path + oldpathlen;
 946         while (*base == G_DIR_SEPARATOR) base++;
 947         if (*base == '\0')
 948                 new_itempath = g_strdup(newpath);
 949         else
 950                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 951                                            NULL);
 952         g_free(item->path);
 953         item->path = new_itempath;
 954
 955         return FALSE;
 956 }
 957
 958 #warning FIXME_GTK2 /* should we use g_filename_from_utf8()? */
 959 static gchar *mh_filename_from_utf8(const gchar *path)
 960 {
 961         const gchar *src_codeset = CS_UTF_8;
 962         const gchar *dest_codeset = conv_get_current_charset_str();
 963         gchar *real_path;
 964
 965         real_path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 966         if (!real_path) {
 967                 g_warning("mh_filename_from_utf8: faild to convert character set\n");
 968                 /* FIXME: show dialog? */
 969                 real_path = g_strdup(path);
 970         }
 971
 972         return real_path;
 973 }
 974
 975 #warning FIXME_GTK2 /* should we use g_filename_to_utf8()? */
 976 static gchar *mh_filename_to_utf8(const gchar *path)
 977 {
 978         const gchar *src_codeset = conv_get_current_charset_str();
 979         const gchar *dest_codeset = CS_UTF_8;
 980         gchar *utf8path;
 981
 982         utf8path = conv_codeset_strdup(path, src_codeset, dest_codeset);
 983         if (!utf8path) {
 984                 g_warning("mh_filename_to_utf8: faild to convert character set\n");
 985                 /* FIXME: show dialog? */
 986                 utf8path = g_strdup(path);
 987         }
 988
 989         return utf8path;
 990 }