src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <dirent.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <errno.h>
  32
  33 #undef MEASURE_TIME
  34
  35 #ifdef MEASURE_TIME
  36 #  include <sys/time.h>
  37 #endif
  38
  39 #include "intl.h"
  40 #include "folder.h"
  41 #include "mh.h"
  42 #include "procmsg.h"
  43 #include "procheader.h"
  44 #include "utils.h"
  45
  46 static void     mh_folder_init                  (Folder         *folder,
  47                                                  const gchar    *name,
  48                                                  const gchar    *path);
  49
  50 static GSList  *mh_get_uncached_msgs            (GHashTable     *msg_table,
  51                                                  FolderItem     *item);
  52 static MsgInfo *mh_parse_msg                    (const gchar    *file,
  53                                                  FolderItem     *item);
  54 static void     mh_scan_tree_recursive          (FolderItem     *item,
  55                                                  GHashTable *pptable);
  56
  57 static gboolean mh_rename_folder_func           (GNode          *node,
  58                                                  gpointer        data);
  59
  60
  61 Folder *mh_folder_new(const gchar *name, const gchar *path)
  62 {
  63         Folder *folder;
  64
  65         folder = (Folder *)g_new0(MHFolder, 1);
  66         mh_folder_init(folder, name, path);
  67
  68         return folder;
  69 }
  70
  71 void mh_folder_destroy(MHFolder *folder)
  72 {
  73         folder_local_folder_destroy(LOCAL_FOLDER(folder));
  74 }
  75
  76 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
  77 {
  78         folder_local_folder_init(folder, name, path);
  79
  80         folder->type = F_MH;
  81
  82         folder->get_msg_list        = mh_get_msg_list;
  83         folder->fetch_msg           = mh_fetch_msg;
  84         folder->add_msg             = mh_add_msg;
  85         folder->move_msg            = mh_move_msg;
  86         folder->move_msgs_with_dest = mh_move_msgs_with_dest;
  87         folder->copy_msg            = mh_copy_msg;
  88         folder->copy_msgs_with_dest = mh_copy_msgs_with_dest;
  89         folder->remove_msg          = mh_remove_msg;
  90         folder->remove_all_msg      = mh_remove_all_msg;
  91         folder->is_msg_changed      = mh_is_msg_changed;
  92         folder->scan                = mh_scan_folder;
  93         folder->scan_tree           = mh_scan_tree;
  94         folder->create_tree         = mh_create_tree;
  95         folder->create_folder       = mh_create_folder;
  96         folder->rename_folder       = mh_rename_folder;
  97         folder->remove_folder       = mh_remove_folder;
  98 }
  99
 100 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
 101 {
 102         GSList *mlist;
 103         GHashTable *msg_table;
 104         gchar *path;
 105         struct stat s;
 106         gboolean scan_new = TRUE;
 107 #ifdef MEASURE_TIME
 108         struct timeval tv_before, tv_after, tv_result;
 109
 110         gettimeofday(&tv_before, NULL);
 111 #endif
 112
 113         g_return_val_if_fail(item != NULL, NULL);
 114
 115         path = folder_item_get_path(item);
 116         if (stat(path, &s) < 0) {
 117                 FILE_OP_ERROR(path, "stat");
 118         } else {
 119                 if (item->mtime == s.st_mtime) {
 120                         debug_print("Folder is not modified.\n");
 121                         scan_new = FALSE;
 122                 } else
 123                         item->mtime = s.st_mtime;
 124         }
 125         g_free(path);
 126
 127         if (use_cache && !scan_new) {
 128                 mlist = procmsg_read_cache(item, FALSE);
 129                 if (!mlist)
 130                         mlist = mh_get_uncached_msgs(NULL, item);
 131         } else if (use_cache) {
 132                 GSList *newlist;
 133
 134                 mlist = procmsg_read_cache(item, TRUE);
 135                 msg_table = procmsg_msg_hash_table_create(mlist);
 136
 137                 newlist = mh_get_uncached_msgs(msg_table, item);
 138                 if (msg_table)
 139                         g_hash_table_destroy(msg_table);
 140
 141                 mlist = g_slist_concat(mlist, newlist);
 142         } else
 143                 mlist = mh_get_uncached_msgs(NULL, item);
 144
 145         procmsg_set_flags(mlist, item);
 146
 147 #ifdef MEASURE_TIME
 148         gettimeofday(&tv_after, NULL);
 149
 150         timersub(&tv_after, &tv_before, &tv_result);
 151         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 152                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 153 #endif
 154
 155         return mlist;
 156 }
 157
 158 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 159 {
 160         gchar *path;
 161         gchar *file;
 162
 163         g_return_val_if_fail(item != NULL, NULL);
 164         g_return_val_if_fail(num > 0 && num <= item->last_num, NULL);
 165
 166         path = folder_item_get_path(item);
 167         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 168         g_free(path);
 169         if (!is_file_exist(file)) {
 170                 g_free(file);
 171                 return NULL;
 172         }
 173
 174         return file;
 175 }
 176
 177 gchar *mh_get_newmsg_filename(FolderItem *dest)
 178 {
 179         gchar *destfile;
 180         gchar *destpath;
 181         gboolean found = FALSE;
 182
 183         destpath = folder_item_get_path(dest);
 184         g_return_val_if_fail(destpath != NULL, NULL);
 185         if (!is_dir_exist(destpath))
 186                 make_dir_hier(destpath);
 187
 188         do {
 189                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 190                                            dest->last_num + 1);
 191                 if(is_file_exist(destfile)) {
 192                         dest->last_num++;
 193                         g_free(destfile);
 194                 } else {
 195                         found = TRUE;
 196                 }
 197         } while(!found);
 198         g_free(destpath);
 199
 200         return destfile;
 201 }
 202
 203 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 204                 gboolean remove_source)
 205 {
 206         gchar *destfile;
 207
 208         g_return_val_if_fail(dest != NULL, -1);
 209         g_return_val_if_fail(file != NULL, -1);
 210
 211         if (dest->last_num < 0) {
 212                 mh_scan_folder(folder, dest);
 213                 if (dest->last_num < 0) return -1;
 214         }
 215
 216         destfile = mh_get_newmsg_filename(dest);
 217         if(!destfile) return -1;
 218
 219         if (link(file, destfile) < 0) {
 220                 if (copy_file(file, destfile) < 0) {
 221                         g_warning(_("can't copy message %s to %s\n"),
 222                                   file, destfile);
 223                         g_free(destfile);
 224                         return -1;
 225                 }
 226         }
 227
 228         if (remove_source) {
 229                 if (unlink(file) < 0)
 230                         FILE_OP_ERROR(file, "unlink");
 231         }
 232
 233         g_free(destfile);
 234         dest->last_num++;
 235         return dest->last_num;
 236 }
 237
 238 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 239 {
 240         gchar *destdir;
 241         gchar *srcfile;
 242         gchar *destfile;
 243         FILE *fp;
 244         gint filemode = 0;
 245         PrefsFolderItem *prefs;
 246
 247         g_return_val_if_fail(dest != NULL, -1);
 248         g_return_val_if_fail(msginfo != NULL, -1);
 249
 250         if (msginfo->folder == dest) {
 251                 g_warning(_("the src folder is identical to the dest.\n"));
 252                 return -1;
 253         }
 254
 255         if (dest->last_num < 0) {
 256                 mh_scan_folder(folder, dest);
 257                 if (dest->last_num < 0) return -1;
 258         }
 259
 260         prefs = dest->prefs;
 261
 262         destdir = folder_item_get_path(dest);
 263         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 264                 g_warning(_("Can't open mark file.\n"));
 265
 266         debug_print(_("Moving message %s%c%d to %s ...\n"),
 267                     msginfo->folder->path, G_DIR_SEPARATOR,
 268                     msginfo->msgnum, dest->path);
 269         srcfile = procmsg_get_message_file_path(msginfo);
 270
 271         destfile = mh_get_newmsg_filename(dest);
 272         if(!destfile) return -1;
 273
 274         g_free(destdir);
 275
 276         if (move_file(srcfile, destfile) < 0) {
 277                 g_free(srcfile);
 278                 g_free(destfile);
 279                 if (fp) fclose(fp);
 280                 return -1;
 281         }
 282
 283         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 284                 if (chmod(destfile, prefs->folder_chmod) < 0)
 285                         FILE_OP_ERROR(destfile, "chmod");
 286
 287                 /* for mark file */
 288                 filemode = prefs->folder_chmod;
 289                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 290                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 291         }
 292
 293         g_free(srcfile);
 294         g_free(destfile);
 295         dest->last_num++;
 296
 297         if (fp) {
 298                 MsgInfo newmsginfo;
 299
 300                 newmsginfo.msgnum = dest->last_num;
 301                 newmsginfo.flags = msginfo->flags;
 302                 if (dest->stype == F_OUTBOX ||
 303                     dest->stype == F_QUEUE  ||
 304                     dest->stype == F_DRAFT  ||
 305                     dest->stype == F_TRASH)
 306                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 307                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 308
 309                 procmsg_write_flags(&newmsginfo, fp);
 310
 311                 if (filemode) {
 312 #if HAVE_FCHMOD
 313                         fchmod(fileno(fp), filemode);
 314 #else
 315                         gchar *markfile;
 316
 317                         markfile = folder_item_get_mark_file(dest);
 318                         if (markfile) {
 319                                 chmod(markfile, filemode);
 320                                 g_free(markfile);
 321                         }
 322 #endif
 323                 }
 324
 325                 fclose(fp);
 326         }
 327
 328         return dest->last_num;
 329 }
 330
 331 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 332 {
 333         gchar *destdir;
 334         gchar *srcfile;
 335         gchar *destfile;
 336         FILE *fp;
 337         GSList *cur;
 338         MsgInfo *msginfo;
 339         PrefsFolderItem *prefs;
 340
 341         g_return_val_if_fail(dest != NULL, -1);
 342         g_return_val_if_fail(msglist != NULL, -1);
 343
 344         if (dest->last_num < 0) {
 345                 mh_scan_folder(folder, dest);
 346                 if (dest->last_num < 0) return -1;
 347         }
 348
 349         prefs = dest->prefs;
 350
 351         destdir = folder_item_get_path(dest);
 352         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 353                 g_warning(_("Can't open mark file.\n"));
 354
 355         for (cur = msglist; cur != NULL; cur = cur->next) {
 356                 msginfo = (MsgInfo *)cur->data;
 357
 358                 if (msginfo->folder == dest) {
 359                         g_warning(_("the src folder is identical to the dest.\n"));
 360                         continue;
 361                 }
 362                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 363                             msginfo->folder->path, G_DIR_SEPARATOR,
 364                             msginfo->msgnum, dest->path);
 365
 366                 srcfile = procmsg_get_message_file_path(msginfo);
 367                 destfile = mh_get_newmsg_filename(dest);
 368                 if(!destfile) return -1;
 369
 370                 if (move_file(srcfile, destfile) < 0) {
 371                         g_free(srcfile);
 372                         g_free(destfile);
 373                         break;
 374                 }
 375
 376                 g_free(srcfile);
 377                 g_free(destfile);
 378                 dest->last_num++;
 379
 380                 if (fp) {
 381                         MsgInfo newmsginfo;
 382
 383                         newmsginfo.msgnum = dest->last_num;
 384                         newmsginfo.flags = msginfo->flags;
 385                         if (dest->stype == F_OUTBOX ||
 386                             dest->stype == F_QUEUE  ||
 387                             dest->stype == F_DRAFT  ||
 388                             dest->stype == F_TRASH)
 389                                 MSG_UNSET_PERM_FLAGS
 390                                         (newmsginfo.flags,
 391                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 392
 393                         procmsg_write_flags(&newmsginfo, fp);
 394                 }
 395         }
 396
 397         g_free(destdir);
 398         if (fp) fclose(fp);
 399
 400         return dest->last_num;
 401 }
 402
 403 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 404 {
 405         gchar *destdir;
 406         gchar *srcfile;
 407         gchar *destfile;
 408         FILE *fp;
 409         gint filemode = 0;
 410         PrefsFolderItem *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_scan_folder(folder, dest);
 422                 if (dest->last_num < 0) return -1;
 423         }
 424
 425         prefs = dest->prefs;
 426
 427         destdir = folder_item_get_path(dest);
 428         if (!is_dir_exist(destdir))
 429                 make_dir_hier(destdir);
 430
 431         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 432                 g_warning(_("Can't open mark file.\n"));
 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         srcfile = procmsg_get_message_file_path(msginfo);
 438         destfile = mh_get_newmsg_filename(dest);
 439         if(!destfile) {
 440                 g_free(srcfile);
 441                 if (fp) fclose(fp);
 442                 return -1;
 443         }
 444
 445         g_free(destdir);
 446
 447         dest->op_count--;
 448
 449         if (copy_file(srcfile, destfile) < 0) {
 450                 FILE_OP_ERROR(srcfile, "copy");
 451                 g_free(srcfile);
 452                 g_free(destfile);
 453                 if (fp) fclose(fp);
 454                 return -1;
 455         }
 456
 457         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 458                 if (chmod(destfile, prefs->folder_chmod) < 0)
 459                         FILE_OP_ERROR(destfile, "chmod");
 460
 461                 /* for mark file */
 462                 filemode = prefs->folder_chmod;
 463                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 464                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 465         }
 466
 467         g_free(srcfile);
 468         g_free(destfile);
 469         dest->last_num++;
 470
 471         if (fp) {
 472                 MsgInfo newmsginfo;
 473
 474                 newmsginfo.msgnum = dest->last_num;
 475                 newmsginfo.flags = msginfo->flags;
 476                 if (dest->stype == F_OUTBOX ||
 477                     dest->stype == F_QUEUE  ||
 478                     dest->stype == F_DRAFT  ||
 479                     dest->stype == F_TRASH)
 480                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 481                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 482                 procmsg_write_flags(&newmsginfo, fp);
 483
 484                 if (filemode) {
 485 #if HAVE_FCHMOD
 486                         fchmod(fileno(fp), filemode);
 487 #else
 488                         gchar *markfile;
 489
 490                         markfile = folder_item_get_mark_file(dest);
 491                         if (markfile) {
 492                                 chmod(markfile, filemode);
 493                                 g_free(markfile);
 494                         }
 495 #endif
 496                 }
 497
 498                 fclose(fp);
 499         }
 500
 501         return dest->last_num;
 502 }
 503
 504 /*
 505 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 506 {
 507         Folder * src_folder;
 508         gchar * filename;
 509         gint num;
 510         gchar * destdir;
 511         FILE * fp;
 512
 513         src_folder = msginfo->folder->folder;
 514
 515         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 516
 517         filename = src_folder->fetch_msg(src_folder,
 518                                          msginfo->folder,
 519                                          msginfo->msgnum);
 520         if (filename == NULL)
 521                 return -1;
 522
 523         num = folder->add_msg(folder, dest, filename, FALSE);
 524
 525         destdir = folder_item_get_path(dest);
 526         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 527                 g_warning(_("Can't open mark file.\n"));
 528
 529         if (fp) {
 530                 MsgInfo newmsginfo;
 531
 532                 newmsginfo.msgnum = dest->last_num;
 533                 newmsginfo.flags = msginfo->flags;
 534                 if (dest->stype == F_OUTBOX ||
 535                     dest->stype == F_QUEUE  ||
 536                     dest->stype == F_DRAFT  ||
 537                     dest->stype == F_TRASH)
 538                         MSG_UNSET_FLAGS(newmsginfo.flags,
 539                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 540
 541                 procmsg_write_flags(&newmsginfo, fp);
 542                 fclose(fp);
 543         }
 544
 545         return num;
 546 }
 547 */
 548
 549 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 550 {
 551         gchar *destdir;
 552         gchar *srcfile;
 553         gchar *destfile;
 554         FILE *fp;
 555         GSList *cur;
 556         MsgInfo *msginfo;
 557
 558         g_return_val_if_fail(dest != NULL, -1);
 559         g_return_val_if_fail(msglist != NULL, -1);
 560
 561         if (dest->last_num < 0) {
 562                 mh_scan_folder(folder, dest);
 563                 if (dest->last_num < 0) return -1;
 564         }
 565
 566         destdir = folder_item_get_path(dest);
 567         if (!is_dir_exist(destdir))
 568                 make_dir_hier(destdir);
 569
 570         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 571                 g_warning(_("Can't open mark file.\n"));
 572
 573         for (cur = msglist; cur != NULL; cur = cur->next) {
 574                 msginfo = (MsgInfo *)cur->data;
 575
 576                 if (msginfo->folder == dest) {
 577                         g_warning(_("the src folder is identical to the dest.\n"));
 578                         continue;
 579                 }
 580                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 581                             msginfo->folder->path, G_DIR_SEPARATOR,
 582                             msginfo->msgnum, dest->path);
 583
 584                 srcfile = procmsg_get_message_file_path(msginfo);
 585                 destfile = mh_get_newmsg_filename(dest);
 586                 if(!destfile) {
 587                         g_free(srcfile);
 588                         break;
 589                 }
 590
 591                 if (copy_file(srcfile, destfile) < 0) {
 592                         FILE_OP_ERROR(srcfile, "copy");
 593                         g_free(srcfile);
 594                         g_free(destfile);
 595                         break;
 596                 }
 597
 598                 g_free(srcfile);
 599                 g_free(destfile);
 600                 dest->last_num++;
 601
 602                 if (fp) {
 603                         MsgInfo newmsginfo;
 604
 605                         newmsginfo.msgnum = dest->last_num;
 606                         newmsginfo.flags = msginfo->flags;
 607                         if (dest->stype == F_OUTBOX ||
 608                             dest->stype == F_QUEUE  ||
 609                             dest->stype == F_DRAFT  ||
 610                             dest->stype == F_TRASH)
 611                                 MSG_UNSET_PERM_FLAGS
 612                                         (newmsginfo.flags,
 613                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 614                         procmsg_write_flags(&newmsginfo, fp);
 615                 }
 616         }
 617
 618         g_free(destdir);
 619         if (fp) fclose(fp);
 620
 621         return dest->last_num;
 622 }
 623
 624 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 625 {
 626         gchar *file;
 627
 628         g_return_val_if_fail(item != NULL, -1);
 629
 630         file = mh_fetch_msg(folder, item, num);
 631         g_return_val_if_fail(file != NULL, -1);
 632
 633         if (unlink(file) < 0) {
 634                 FILE_OP_ERROR(file, "unlink");
 635                 g_free(file);
 636                 return -1;
 637         }
 638
 639         g_free(file);
 640         return 0;
 641 }
 642
 643 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 644 {
 645         gchar *path;
 646         gint val;
 647
 648         g_return_val_if_fail(item != NULL, -1);
 649
 650         path = folder_item_get_path(item);
 651         g_return_val_if_fail(path != NULL, -1);
 652         val = remove_all_numbered_files(path);
 653         g_free(path);
 654
 655         return val;
 656 }
 657
 658 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 659 {
 660         struct stat s;
 661
 662         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 663             msginfo->size  != s.st_size ||
 664             msginfo->mtime != s.st_mtime)
 665                 return TRUE;
 666
 667         return FALSE;
 668 }
 669
 670 void mh_scan_folder(Folder *folder, FolderItem *item)
 671 {
 672         gchar *path;
 673         DIR *dp;
 674         struct dirent *d;
 675         struct stat s;
 676         gint max = 0;
 677         gint num;
 678         gint n_msg = 0;
 679
 680         g_return_if_fail(item != NULL);
 681
 682         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 683
 684         path = folder_item_get_path(item);
 685         g_return_if_fail(path != NULL);
 686         if (change_dir(path) < 0) {
 687                 g_free(path);
 688                 return;
 689         }
 690         g_free(path);
 691
 692         if ((dp = opendir(".")) == NULL) {
 693                 FILE_OP_ERROR(item->path, "opendir");
 694                 return;
 695         }
 696
 697         if (folder->ui_func)
 698                 folder->ui_func(folder, item, folder->ui_func_data);
 699
 700         while ((d = readdir(dp)) != NULL) {
 701                 if ((num = to_number(d->d_name)) >= 0 &&
 702                     stat(d->d_name, &s) == 0 &&
 703                     S_ISREG(s.st_mode)) {
 704                         n_msg++;
 705                         if (max < num)
 706                                 max = num;
 707                 }
 708         }
 709
 710         closedir(dp);
 711
 712         if (n_msg == 0)
 713                 item->new = item->unread = item->total = 0;
 714         else {
 715                 gint new, unread, total;
 716
 717                 procmsg_get_mark_sum(".", &new, &unread, &total);
 718                 if (n_msg > total) {
 719                         new += n_msg - total;
 720                         unread += n_msg - total;
 721                 }
 722                 item->new = new;
 723                 item->unread = unread;
 724                 item->total = n_msg;
 725         }
 726
 727         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 728         item->last_num = max;
 729 }
 730
 731 void mh_scan_tree(Folder *folder)
 732 {
 733         FolderItem *item;
 734         gchar *rootpath;
 735         GHashTable *pptable;
 736
 737         g_return_if_fail(folder != NULL);
 738
 739         pptable = folder_persist_prefs_new(folder);
 740
 741         folder_tree_destroy(folder);
 742         item = folder_item_new(folder->name, NULL);
 743         item->folder = folder;
 744         folder->node = g_node_new(item);
 745
 746         rootpath = folder_item_get_path(item);
 747         if (change_dir(rootpath) < 0) {
 748                 g_free(rootpath);
 749                 return;
 750         }
 751         g_free(rootpath);
 752
 753         mh_scan_tree_recursive(item, pptable);
 754
 755         folder_persist_prefs_free(pptable);
 756 }
 757
 758 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 759 { \
 760         if (!is_dir_exist(dir)) { \
 761                 if (is_file_exist(dir)) { \
 762                         g_warning(_("File `%s' already exists.\n" \
 763                                     "Can't create folder."), dir); \
 764                         return -1; \
 765                 } \
 766                 if (mkdir(dir, S_IRWXU) < 0) { \
 767                         FILE_OP_ERROR(dir, "mkdir"); \
 768                         return -1; \
 769                 } \
 770                 if (chmod(dir, S_IRWXU) < 0) \
 771                         FILE_OP_ERROR(dir, "chmod"); \
 772         } \
 773 }
 774
 775 gint mh_create_tree(Folder *folder)
 776 {
 777         gchar *rootpath;
 778
 779         g_return_val_if_fail(folder != NULL, -1);
 780
 781         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 782         rootpath = LOCAL_FOLDER(folder)->rootpath;
 783         MAKE_DIR_IF_NOT_EXIST(rootpath);
 784         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 785         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 786         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 787         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 788         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 789         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 790
 791         return 0;
 792 }
 793
 794 #undef MAKE_DIR_IF_NOT_EXIST
 795
 796 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 797                              const gchar *name)
 798 {
 799         gchar *path;
 800         gchar *fullpath;
 801         FolderItem *new_item;
 802
 803         g_return_val_if_fail(folder != NULL, NULL);
 804         g_return_val_if_fail(parent != NULL, NULL);
 805         g_return_val_if_fail(name != NULL, NULL);
 806
 807         path = folder_item_get_path(parent);
 808         if (!is_dir_exist(path))
 809                 make_dir_hier(path);
 810
 811         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 812         g_free(path);
 813
 814         if (mkdir(fullpath, S_IRWXU) < 0) {
 815                 FILE_OP_ERROR(fullpath, "mkdir");
 816                 g_free(fullpath);
 817                 return NULL;
 818         }
 819         if (chmod(fullpath, S_IRWXU) < 0)
 820                 FILE_OP_ERROR(fullpath, "chmod");
 821
 822         g_free(fullpath);
 823
 824         if (parent->path)
 825                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 826                                    NULL);
 827         else
 828                 path = g_strdup(name);
 829         new_item = folder_item_new(name, path);
 830         folder_item_append(parent, new_item);
 831         g_free(path);
 832
 833         return new_item;
 834 }
 835
 836 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 837 {
 838         gchar *oldpath;
 839         gchar *dirname;
 840         gchar *newpath;
 841         GNode *node;
 842         gchar *paths[2];
 843
 844         g_return_val_if_fail(folder != NULL, -1);
 845         g_return_val_if_fail(item != NULL, -1);
 846         g_return_val_if_fail(item->path != NULL, -1);
 847         g_return_val_if_fail(name != NULL, -1);
 848
 849         oldpath = folder_item_get_path(item);
 850         if (!is_dir_exist(oldpath))
 851                 make_dir_hier(oldpath);
 852
 853         dirname = g_dirname(oldpath);
 854         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 855         g_free(dirname);
 856
 857         if (rename(oldpath, newpath) < 0) {
 858                 FILE_OP_ERROR(oldpath, "rename");
 859                 g_free(oldpath);
 860                 g_free(newpath);
 861                 return -1;
 862         }
 863
 864         g_free(oldpath);
 865         g_free(newpath);
 866
 867         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 868                 dirname = g_dirname(item->path);
 869                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 870                 g_free(dirname);
 871         } else
 872                 newpath = g_strdup(name);
 873
 874         g_free(item->name);
 875         item->name = g_strdup(name);
 876
 877         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 878                            item);
 879         paths[0] = g_strdup(item->path);
 880         paths[1] = newpath;
 881         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 882                         mh_rename_folder_func, paths);
 883
 884         g_free(paths[0]);
 885         g_free(paths[1]);
 886         return 0;
 887 }
 888
 889 gint mh_remove_folder(Folder *folder, FolderItem *item)
 890 {
 891         gchar *path;
 892
 893         g_return_val_if_fail(folder != NULL, -1);
 894         g_return_val_if_fail(item != NULL, -1);
 895         g_return_val_if_fail(item->path != NULL, -1);
 896
 897         path = folder_item_get_path(item);
 898         if (remove_dir_recursive(path) < 0) {
 899                 g_warning("can't remove directory `%s'\n", path);
 900                 g_free(path);
 901                 return -1;
 902         }
 903
 904         g_free(path);
 905         folder_item_remove(item);
 906         return 0;
 907 }
 908
 909
 910 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
 911 {
 912         gchar *path;
 913         DIR *dp;
 914         struct dirent *d;
 915         struct stat s;
 916         GSList *newlist = NULL;
 917         GSList *last = NULL;
 918         MsgInfo *msginfo;
 919         gint n_newmsg = 0;
 920         gint num;
 921
 922         g_return_val_if_fail(item != NULL, NULL);
 923
 924         path = folder_item_get_path(item);
 925         g_return_val_if_fail(path != NULL, NULL);
 926         if (change_dir(path) < 0) {
 927                 g_free(path);
 928                 return NULL;
 929         }
 930         g_free(path);
 931
 932         if ((dp = opendir(".")) == NULL) {
 933                 FILE_OP_ERROR(item->path, "opendir");
 934                 return NULL;
 935         }
 936
 937         debug_print(_("\tSearching uncached messages... "));
 938
 939         if (msg_table) {
 940                 while ((d = readdir(dp)) != NULL) {
 941                         if ((num = to_number(d->d_name)) < 0) continue;
 942                         if (stat(d->d_name, &s) < 0) {
 943                                 FILE_OP_ERROR(d->d_name, "stat");
 944                                 continue;
 945                         }
 946                         if (!S_ISREG(s.st_mode)) continue;
 947
 948                         msginfo = g_hash_table_lookup
 949                                 (msg_table, GUINT_TO_POINTER(num));
 950
 951                         if (!msginfo) {
 952                                 /* not found in the cache (uncached message) */
 953                                 msginfo = mh_parse_msg(d->d_name, item);
 954                                 if (!msginfo) continue;
 955
 956                                 if (!newlist)
 957                                         last = newlist =
 958                                                 g_slist_append(NULL, msginfo);
 959                                 else {
 960                                         last = g_slist_append(last, msginfo);
 961                                         last = last->next;
 962                                 }
 963                                 n_newmsg++;
 964                         }
 965                 }
 966         } else {
 967                 /* discard all previous cache */
 968                 while ((d = readdir(dp)) != NULL) {
 969                         if (to_number(d->d_name) < 0) continue;
 970                         if (stat(d->d_name, &s) < 0) {
 971                                 FILE_OP_ERROR(d->d_name, "stat");
 972                                 continue;
 973                         }
 974                         if (!S_ISREG(s.st_mode)) continue;
 975
 976                         msginfo = mh_parse_msg(d->d_name, item);
 977                         if (!msginfo) continue;
 978
 979                         if (!newlist)
 980                                 last = newlist = g_slist_append(NULL, msginfo);
 981                         else {
 982                                 last = g_slist_append(last, msginfo);
 983                                 last = last->next;
 984                         }
 985                         n_newmsg++;
 986                 }
 987         }
 988
 989         closedir(dp);
 990
 991         if (n_newmsg)
 992                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
 993         else
 994                 debug_print(_("done.\n"));
 995
 996         /* sort new messages in numerical order */
 997         if (newlist) {
 998                 debug_print(_("\tSorting uncached messages in numerical order... "));
 999                 newlist = g_slist_sort
1000                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
1001                 debug_print(_("done.\n"));
1002         }
1003
1004         return newlist;
1005 }
1006
1007 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
1008 {
1009         struct stat s;
1010         MsgInfo *msginfo;
1011         MsgFlags flags;
1012
1013         flags.perm_flags = MSG_NEW|MSG_UNREAD;
1014         flags.tmp_flags = 0;
1015
1016         g_return_val_if_fail(item != NULL, NULL);
1017         g_return_val_if_fail(file != NULL, NULL);
1018
1019         if (item->stype == F_QUEUE) {
1020                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
1021         } else if (item->stype == F_DRAFT) {
1022                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
1023         }
1024
1025         msginfo = procheader_parse(file, flags, FALSE, FALSE);
1026         if (!msginfo) return NULL;
1027
1028         msginfo->msgnum = atoi(file);
1029         msginfo->folder = item;
1030
1031         if (stat(file, &s) < 0) {
1032                 FILE_OP_ERROR(file, "stat");
1033                 msginfo->size = 0;
1034                 msginfo->mtime = 0;
1035         } else {
1036                 msginfo->size = s.st_size;
1037                 msginfo->mtime = s.st_mtime;
1038         }
1039
1040         return msginfo;
1041 }
1042
1043 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1044 {
1045         gchar *entry;
1046         gboolean result;
1047
1048         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1049         result = is_dir_exist(entry);
1050         g_free(entry);
1051
1052         return result;
1053 }
1054
1055 /*
1056  * check whether PATH is a Maildir style mailbox.
1057  * This is the case if the 3 subdir: new, cur, tmp are existing.
1058  * This functon assumes that entry is an directory
1059  */
1060 static gboolean mh_is_maildir(const gchar *path)
1061 {
1062         return mh_is_maildir_one(path, "new") &&
1063                mh_is_maildir_one(path, "cur") &&
1064                mh_is_maildir_one(path, "tmp");
1065 }
1066
1067 static void mh_scan_tree_recursive(FolderItem *item, GHashTable *pptable)
1068 {
1069         DIR *dp;
1070         struct dirent *d;
1071         struct stat s;
1072         gchar *entry;
1073         gint n_msg = 0;
1074
1075         g_return_if_fail(item != NULL);
1076         g_return_if_fail(item->folder != NULL);
1077
1078         dp = opendir(item->path ? item->path : ".");
1079         if (!dp) {
1080                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1081                 return;
1082         }
1083
1084         debug_print("scanning %s ...\n",
1085                     item->path ? item->path
1086                     : LOCAL_FOLDER(item->folder)->rootpath);
1087         if (item->folder->ui_func)
1088                 item->folder->ui_func(item->folder, item,
1089                                       item->folder->ui_func_data);
1090
1091         while ((d = readdir(dp)) != NULL) {
1092                 if (d->d_name[0] == '.') continue;
1093
1094                 if (item->path)
1095                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1096                                             d->d_name, NULL);
1097                 else
1098                         entry = g_strdup(d->d_name);
1099
1100                 if (stat(entry, &s) < 0) {
1101                         FILE_OP_ERROR(entry, "stat");
1102                         g_free(entry);
1103                         continue;
1104                 }
1105
1106                 if (S_ISDIR(s.st_mode)) {
1107                         FolderItem *new_item;
1108
1109                         if (mh_is_maildir(entry)) {
1110                                 g_free(entry);
1111                                 continue;
1112                         }
1113
1114                         new_item = folder_item_new(d->d_name, entry);
1115                         folder_item_append(item, new_item);
1116                         if (!item->path) {
1117                                 if (!strcmp(d->d_name, "inbox")) {
1118                                         new_item->stype = F_INBOX;
1119                                         item->folder->inbox = new_item;
1120                                 } else if (!strcmp(d->d_name, "outbox")) {
1121                                         new_item->stype = F_OUTBOX;
1122                                         item->folder->outbox = new_item;
1123                                 } else if (!strcmp(d->d_name, "draft")) {
1124                                         new_item->stype = F_DRAFT;
1125                                         item->folder->draft = new_item;
1126                                 } else if (!strcmp(d->d_name, "queue")) {
1127                                         new_item->stype = F_QUEUE;
1128                                         item->folder->queue = new_item;
1129                                 } else if (!strcmp(d->d_name, "trash")) {
1130                                         new_item->stype = F_TRASH;
1131                                         item->folder->trash = new_item;
1132                                 }
1133                         }
1134                         folder_item_restore_persist_prefs(new_item, pptable);
1135                         mh_scan_tree_recursive(new_item, pptable);
1136                 } else if (to_number(d->d_name) != -1) n_msg++;
1137
1138                 g_free(entry);
1139         }
1140
1141         closedir(dp);
1142
1143         if (item->path) {
1144                 gint new, unread, total;
1145
1146                 procmsg_get_mark_sum(item->path, &new, &unread, &total);
1147                 if (n_msg > total) {
1148                         new += n_msg - total;
1149                         unread += n_msg - total;
1150                 }
1151                 item->new = new;
1152                 item->unread = unread;
1153                 item->total = n_msg;
1154         }
1155 }
1156
1157 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1158 {
1159         FolderItem *item = node->data;
1160         gchar **paths = data;
1161         const gchar *oldpath = paths[0];
1162         const gchar *newpath = paths[1];
1163         gchar *base;
1164         gchar *new_itempath;
1165         gint oldpathlen;
1166
1167         oldpathlen = strlen(oldpath);
1168         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1169                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1170                 return TRUE;
1171         }
1172
1173         base = item->path + oldpathlen;
1174         while (*base == G_DIR_SEPARATOR) base++;
1175         if (*base == '\0')
1176                 new_itempath = g_strdup(newpath);
1177         else
1178                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1179                                            NULL);
1180         g_free(item->path);
1181         item->path = new_itempath;
1182
1183         return FALSE;
1184 }