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 GSList  *mh_get_msg_list        (Folder         *folder,
  51                                  FolderItem     *item,
  52                                  gboolean        use_cache);
  53 gchar   *mh_fetch_msg           (Folder         *folder,
  54                                  FolderItem     *item,
  55                                  gint            num);
  56 MsgInfo   *mh_fetch_msginfo     (Folder         *folder,
  57                                  FolderItem     *item,
  58                                  gint            num);
  59 gint     mh_add_msg             (Folder         *folder,
  60                                  FolderItem     *dest,
  61                                  const gchar    *file,
  62                                  gboolean        remove_source);
  63 gint     mh_move_msg            (Folder         *folder,
  64                                  FolderItem     *dest,
  65                                  MsgInfo        *msginfo);
  66 gint     mh_move_msgs_with_dest (Folder         *folder,
  67                                  FolderItem     *dest,
  68                                  GSList         *msglist);
  69 gint     mh_copy_msg            (Folder         *folder,
  70                                  FolderItem     *dest,
  71                                  MsgInfo        *msginfo);
  72 gint     mh_copy_msgs_with_dest (Folder         *folder,
  73                                  FolderItem     *dest,
  74                                  GSList         *msglist);
  75 gint     mh_remove_msg          (Folder         *folder,
  76                                  FolderItem     *item,
  77                                  gint            num);
  78 gint     mh_remove_all_msg      (Folder         *folder,
  79                                  FolderItem     *item);
  80 gboolean mh_is_msg_changed      (Folder         *folder,
  81                                  FolderItem     *item,
  82                                  MsgInfo        *msginfo);
  83
  84 gint    mh_scan_folder          (Folder         *folder,
  85                                  FolderItem     *item);
  86 GSList *mh_get_num_list         (Folder         *folder,
  87                                  FolderItem     *item);
  88 void    mh_scan_tree            (Folder         *folder);
  89
  90 gint    mh_create_tree          (Folder         *folder);
  91 FolderItem *mh_create_folder    (Folder         *folder,
  92                                  FolderItem     *parent,
  93                                  const gchar    *name);
  94 gint    mh_rename_folder        (Folder         *folder,
  95                                  FolderItem     *item,
  96                                  const gchar    *name);
  97 gint    mh_remove_folder        (Folder         *folder,
  98                                  FolderItem     *item);
  99
 100 gchar   *mh_get_new_msg_filename                (FolderItem     *dest);
 101
 102 static GSList  *mh_get_uncached_msgs            (GHashTable     *msg_table,
 103                                                  FolderItem     *item);
 104 static MsgInfo *mh_parse_msg                    (const gchar    *file,
 105                                                  FolderItem     *item);
 106 static void     mh_scan_tree_recursive          (FolderItem     *item,
 107                                                  GHashTable *pptable);
 108
 109 static gboolean mh_rename_folder_func           (GNode          *node,
 110                                                  gpointer        data);
 111
 112
 113 Folder *mh_folder_new(const gchar *name, const gchar *path)
 114 {
 115         Folder *folder;
 116
 117         folder = (Folder *)g_new0(MHFolder, 1);
 118         mh_folder_init(folder, name, path);
 119
 120         return folder;
 121 }
 122
 123 void mh_folder_destroy(MHFolder *folder)
 124 {
 125         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 126 }
 127
 128 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 129 {
 130         folder_local_folder_init(folder, name, path);
 131
 132         folder->type = F_MH;
 133
 134 /*
 135         folder->get_msg_list        = mh_get_msg_list;
 136 */
 137         folder->fetch_msg           = mh_fetch_msg;
 138         folder->fetch_msginfo       = mh_fetch_msginfo;
 139         folder->add_msg             = mh_add_msg;
 140         folder->move_msg            = mh_move_msg;
 141         folder->move_msgs_with_dest = mh_move_msgs_with_dest;
 142         folder->copy_msg            = mh_copy_msg;
 143         folder->copy_msgs_with_dest = mh_copy_msgs_with_dest;
 144         folder->remove_msg          = mh_remove_msg;
 145         folder->remove_all_msg      = mh_remove_all_msg;
 146         folder->is_msg_changed      = mh_is_msg_changed;
 147 /*
 148         folder->scan                = mh_scan_folder;
 149 */
 150         folder->get_num_list        = mh_get_num_list;
 151         folder->scan_tree           = mh_scan_tree;
 152         folder->create_tree         = mh_create_tree;
 153         folder->create_folder       = mh_create_folder;
 154         folder->rename_folder       = mh_rename_folder;
 155         folder->remove_folder       = mh_remove_folder;
 156 }
 157
 158 void mh_get_last_num(Folder *folder, FolderItem *item)
 159 {
 160         gchar *path;
 161         DIR *dp;
 162         struct dirent *d;
 163         struct stat s;
 164         gint max = 0;
 165         gint num;
 166
 167         g_return_if_fail(item != NULL);
 168
 169         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 170
 171         path = folder_item_get_path(item);
 172         g_return_if_fail(path != NULL);
 173         if (change_dir(path) < 0) {
 174                 g_free(path);
 175                 return;
 176         }
 177         g_free(path);
 178
 179         if ((dp = opendir(".")) == NULL) {
 180                 FILE_OP_ERROR(item->path, "opendir");
 181                 return;
 182         }
 183
 184         while ((d = readdir(dp)) != NULL) {
 185                 if ((num = to_number(d->d_name)) >= 0 &&
 186                     stat(d->d_name, &s) == 0 &&
 187                     S_ISREG(s.st_mode)) {
 188                         if (max < num)
 189                                 max = num;
 190                 }
 191         }
 192         closedir(dp);
 193
 194         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 195         item->last_num = max;
 196 }
 197
 198 GSList *mh_get_num_list(Folder *folder, FolderItem *item)
 199 {
 200
 201         gchar *path;
 202         DIR *dp;
 203         struct dirent *d;
 204         struct stat s;
 205         gint num;
 206         GSList *list = NULL;
 207
 208         g_return_val_if_fail(item != NULL, NULL);
 209
 210         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 211
 212         path = folder_item_get_path(item);
 213         g_return_val_if_fail(path != NULL, NULL);
 214         if (change_dir(path) < 0) {
 215                 g_free(path);
 216                 return NULL;
 217         }
 218         g_free(path);
 219
 220         if ((dp = opendir(".")) == NULL) {
 221                 FILE_OP_ERROR(item->path, "opendir");
 222                 return NULL;
 223         }
 224
 225         while ((d = readdir(dp)) != NULL) {
 226                 if ((num = to_number(d->d_name)) >= 0 &&
 227                     stat(d->d_name, &s) == 0 &&
 228                     S_ISREG(s.st_mode)) {
 229                         list = g_slist_prepend(list, GINT_TO_POINTER(num));
 230                 }
 231         }
 232         closedir(dp);
 233
 234         return list;
 235 }
 236
 237 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
 238 {
 239         GSList *mlist;
 240         GHashTable *msg_table;
 241         gchar *path;
 242         struct stat s;
 243         gboolean scan_new = TRUE;
 244 #ifdef MEASURE_TIME
 245         struct timeval tv_before, tv_after, tv_result;
 246
 247         gettimeofday(&tv_before, NULL);
 248 #endif
 249
 250         g_return_val_if_fail(item != NULL, NULL);
 251
 252         path = folder_item_get_path(item);
 253         if (stat(path, &s) < 0) {
 254                 FILE_OP_ERROR(path, "stat");
 255         } else {
 256                 time_t mtime;
 257
 258                 mtime = MAX(s.st_mtime, s.st_ctime);
 259                 if (item->mtime == mtime) {
 260                         debug_print("Folder is not modified.\n");
 261                         scan_new = FALSE;
 262                 } else
 263                         item->mtime = mtime;
 264         }
 265         g_free(path);
 266
 267         if (use_cache && !scan_new) {
 268                 mlist = procmsg_read_cache(item, FALSE);
 269                 if (!mlist)
 270                         mlist = mh_get_uncached_msgs(NULL, item);
 271         } else if (use_cache) {
 272                 GSList *newlist;
 273
 274                 mlist = procmsg_read_cache(item, TRUE);
 275                 msg_table = procmsg_msg_hash_table_create(mlist);
 276
 277                 newlist = mh_get_uncached_msgs(msg_table, item);
 278                 if (msg_table)
 279                         g_hash_table_destroy(msg_table);
 280
 281                 mlist = g_slist_concat(mlist, newlist);
 282         } else
 283                 mlist = mh_get_uncached_msgs(NULL, item);
 284
 285         procmsg_set_flags(mlist, item);
 286
 287 #ifdef MEASURE_TIME
 288         gettimeofday(&tv_after, NULL);
 289
 290         timersub(&tv_after, &tv_before, &tv_result);
 291         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 292                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 293 #endif
 294
 295         return mlist;
 296 }
 297
 298 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 299 {
 300         gchar *path;
 301         gchar *file;
 302
 303         g_return_val_if_fail(item != NULL, NULL);
 304         g_return_val_if_fail(num > 0, NULL);
 305
 306         path = folder_item_get_path(item);
 307         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 308         g_free(path);
 309         if (!is_file_exist(file)) {
 310                 g_free(file);
 311                 return NULL;
 312         }
 313
 314         return file;
 315 }
 316
 317 MsgInfo *mh_fetch_msginfo(Folder *folder, FolderItem *item, gint num)
 318 {
 319         gchar *path;
 320         gchar *file;
 321         MsgFlags flags;
 322         MsgInfo *msginfo;
 323         struct stat s;
 324
 325         g_return_val_if_fail(item != NULL, NULL);
 326         g_return_val_if_fail(num > 0, NULL);
 327
 328         path = folder_item_get_path(item);
 329         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 330         g_free(path);
 331         if (!is_file_exist(file)) {
 332                 g_free(file);
 333                 return NULL;
 334         }
 335
 336         folder_item_set_default_flags(item, &flags);
 337         msginfo = procheader_parse_file(file, flags, TRUE, FALSE);
 338         msginfo->msgnum = num;
 339         msginfo->folder = item;
 340
 341         if (stat(file, &s) < 0) {
 342                 FILE_OP_ERROR(file, "stat");
 343                 msginfo->size = 0;
 344                 msginfo->mtime = 0;
 345         } else {
 346                 msginfo->size = s.st_size;
 347                 msginfo->mtime = s.st_mtime;
 348         }
 349
 350         return msginfo;
 351 }
 352
 353 gchar *mh_get_new_msg_filename(FolderItem *dest)
 354 {
 355         gchar *destfile;
 356         gchar *destpath;
 357
 358         destpath = folder_item_get_path(dest);
 359         g_return_val_if_fail(destpath != NULL, NULL);
 360
 361         if (!is_dir_exist(destpath))
 362                 make_dir_hier(destpath);
 363
 364         for (;;) {
 365                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 366                                            dest->last_num + 1);
 367                 if (is_file_entry_exist(destfile)) {
 368                         dest->last_num++;
 369                         g_free(destfile);
 370                 } else
 371                         break;
 372         }
 373
 374         g_free(destpath);
 375
 376         return destfile;
 377 }
 378
 379 #define SET_DEST_MSG_FLAGS(fp, dest, msginfo) \
 380 { \
 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(newmsginfo.flags, \
 390                                      MSG_NEW|MSG_UNREAD|MSG_DELETED); \
 391  \
 392         procmsg_write_flags(&newmsginfo, fp); \
 393 }
 394
 395 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 396                 gboolean remove_source)
 397 {
 398         gchar *destfile;
 399
 400         g_return_val_if_fail(dest != NULL, -1);
 401         g_return_val_if_fail(file != NULL, -1);
 402
 403         if (dest->last_num < 0) {
 404                 mh_get_last_num(folder, dest);
 405                 if (dest->last_num < 0) return -1;
 406         }
 407
 408         destfile = mh_get_new_msg_filename(dest);
 409         g_return_val_if_fail(destfile != NULL, -1);
 410
 411         if (link(file, destfile) < 0) {
 412                 if (copy_file(file, destfile) < 0) {
 413                         g_warning(_("can't copy message %s to %s\n"),
 414                                   file, destfile);
 415                         g_free(destfile);
 416                         return -1;
 417                 }
 418         }
 419
 420         if (remove_source) {
 421                 if (unlink(file) < 0)
 422                         FILE_OP_ERROR(file, "unlink");
 423         }
 424
 425         g_free(destfile);
 426         dest->last_num++;
 427         return dest->last_num;
 428 }
 429
 430 static gint mh_do_move(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 431 {
 432         gchar *destdir;
 433         gchar *srcfile;
 434         gchar *destfile;
 435         FILE *fp;
 436         gint filemode = 0;
 437         PrefsFolderItem *prefs;
 438
 439         g_return_val_if_fail(dest != NULL, -1);
 440         g_return_val_if_fail(msginfo != NULL, -1);
 441
 442         if (msginfo->folder == dest) {
 443                 g_warning(_("the src folder is identical to the dest.\n"));
 444                 return -1;
 445         }
 446
 447         if (dest->last_num < 0) {
 448                 mh_get_last_num(folder, dest);
 449                 if (dest->last_num < 0) return -1;
 450         }
 451
 452         prefs = dest->prefs;
 453
 454         destfile = mh_get_new_msg_filename(dest);
 455         g_return_val_if_fail(destfile != NULL, -1);
 456
 457         debug_print(_("Moving message %s%c%d to %s ...\n"),
 458                     msginfo->folder->path, G_DIR_SEPARATOR,
 459                     msginfo->msgnum, dest->path);
 460         srcfile = procmsg_get_message_file(msginfo);
 461
 462         destfile = mh_get_new_msg_filename(dest);
 463         if(!destfile) return -1;
 464
 465         srcfile = procmsg_get_message_file(msginfo);
 466
 467         if (move_file(srcfile, destfile) < 0) {
 468                 g_free(srcfile);
 469                 g_free(destfile);
 470                 return -1;
 471         }
 472
 473         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 474                 if (chmod(destfile, prefs->folder_chmod) < 0)
 475                         FILE_OP_ERROR(destfile, "chmod");
 476
 477                 /* for mark file */
 478                 filemode = prefs->folder_chmod;
 479                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 480                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 481         }
 482
 483         g_free(srcfile);
 484         g_free(destfile);
 485         dest->last_num++;
 486
 487         g_free(destdir);
 488
 489         return dest->last_num;
 490 }
 491
 492 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 493 {
 494         gchar *srcfile;
 495         gint ret = 0;
 496
 497         g_return_val_if_fail(folder != NULL, -1);
 498         g_return_val_if_fail(dest != NULL, -1);
 499         g_return_val_if_fail(msginfo != NULL, -1);
 500         g_return_val_if_fail(msginfo->folder != NULL, -1);
 501
 502         if (folder == msginfo->folder->folder)
 503                 return mh_do_move(folder, dest, msginfo);
 504
 505         srcfile = procmsg_get_message_file(msginfo);
 506         if (!srcfile) return -1;
 507
 508         ret = mh_add_msg(folder, dest, srcfile, FALSE);
 509         g_free(srcfile);
 510
 511         if (ret != -1) {
 512                 gchar *destdir;
 513                 FILE *fp;
 514
 515                 destdir = folder_item_get_path(dest);
 516                 if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 517                         g_warning(_("Can't open mark file.\n"));
 518                 else {
 519                         SET_DEST_MSG_FLAGS(fp, dest, msginfo);
 520                         fclose(fp);
 521                 }
 522                 g_free(destdir);
 523
 524                 ret = folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 525         }
 526
 527         return ret;
 528 }
 529
 530 static gint mh_do_move_msgs_with_dest(Folder *folder, FolderItem *dest,
 531                                       GSList *msglist)
 532 {
 533         gchar *srcfile;
 534         gchar *destfile;
 535         FILE *fp;
 536         GSList *cur;
 537         MsgInfo *msginfo;
 538         PrefsFolderItem *prefs;
 539
 540         g_return_val_if_fail(dest != NULL, -1);
 541         g_return_val_if_fail(msglist != NULL, -1);
 542
 543         if (dest->last_num < 0) {
 544                 mh_get_last_num(folder, dest);
 545                 if (dest->last_num < 0) return -1;
 546         }
 547
 548         prefs = dest->prefs;
 549
 550         for (cur = msglist; cur != NULL; cur = cur->next) {
 551                 msginfo = (MsgInfo *)cur->data;
 552
 553                 if (msginfo->folder == dest) {
 554                         g_warning(_("the src folder is identical to the dest.\n"));
 555                         continue;
 556                 }
 557                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 558                             msginfo->folder->path, G_DIR_SEPARATOR,
 559                             msginfo->msgnum, dest->path);
 560
 561                 destfile = mh_get_new_msg_filename(dest);
 562                 if (!destfile) break;
 563                 srcfile = procmsg_get_message_file(msginfo);
 564                 destfile = mh_get_new_msg_filename(dest);
 565                 if(!destfile) return -1;
 566
 567                 if (move_file(srcfile, destfile) < 0) {
 568                         g_free(srcfile);
 569                         g_free(destfile);
 570                         break;
 571                 }
 572
 573                 g_free(srcfile);
 574                 g_free(destfile);
 575                 dest->last_num++;
 576         }
 577
 578         return dest->last_num;
 579 }
 580
 581 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 582 {
 583         MsgInfo *msginfo;
 584         GSList *cur;
 585         gint ret = 0;
 586
 587         msginfo = (MsgInfo *)msglist->data;
 588         if (folder == msginfo->folder->folder)
 589                 return mh_do_move_msgs_with_dest(folder, dest, msglist);
 590
 591         for (cur = msglist; cur != NULL; cur = cur->next) {
 592                 msginfo = (MsgInfo *)cur->data;
 593                 ret = mh_move_msg(folder, dest, msginfo);
 594                 if (ret == -1) break;
 595         }
 596
 597         return ret;
 598 }
 599
 600 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 601 {
 602         gchar *srcfile;
 603         gchar *destfile;
 604         gchar *destdir;
 605         gint filemode = 0;
 606         PrefsFolderItem *prefs;
 607
 608         g_return_val_if_fail(dest != NULL, -1);
 609         g_return_val_if_fail(msginfo != NULL, -1);
 610
 611         if (msginfo->folder == dest) {
 612                 g_warning(_("the src folder is identical to the dest.\n"));
 613                 return -1;
 614         }
 615
 616         if (dest->last_num < 0) {
 617                 mh_get_last_num(folder, dest);
 618                 if (dest->last_num < 0) return -1;
 619         }
 620
 621         prefs = dest->prefs;
 622
 623         destfile = mh_get_new_msg_filename(dest);
 624         g_return_val_if_fail(destfile != NULL, -1);
 625
 626         debug_print(_("Copying message %s%c%d to %s ...\n"),
 627                     msginfo->folder->path, G_DIR_SEPARATOR,
 628                     msginfo->msgnum, dest->path);
 629
 630         srcfile = procmsg_get_message_file(msginfo);
 631         destfile = mh_get_new_msg_filename(dest);
 632         if(!destfile) {
 633                 g_free(srcfile);
 634                 return -1;
 635         }
 636
 637         dest->op_count--;
 638
 639         if (copy_file(srcfile, destfile) < 0) {
 640                 FILE_OP_ERROR(srcfile, "copy");
 641                 g_free(srcfile);
 642                 g_free(destfile);
 643                 return -1;
 644         }
 645
 646         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 647                 if (chmod(destfile, prefs->folder_chmod) < 0)
 648                         FILE_OP_ERROR(destfile, "chmod");
 649
 650                 /* for mark file */
 651                 filemode = prefs->folder_chmod;
 652                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 653                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 654         }
 655
 656         g_free(srcfile);
 657         g_free(destfile);
 658         dest->last_num++;
 659
 660         return dest->last_num;
 661 }
 662
 663 /*
 664 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 665 {
 666         Folder * src_folder;
 667         gchar * filename;
 668         gint num;
 669         gchar * destdir;
 670         FILE * fp;
 671
 672         src_folder = msginfo->folder->folder;
 673
 674         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 675
 676         filename = src_folder->fetch_msg(src_folder,
 677                                          msginfo->folder,
 678                                          msginfo->msgnum);
 679         if (filename == NULL)
 680                 return -1;
 681
 682         num = folder->add_msg(folder, dest, filename, FALSE);
 683
 684         destdir = folder_item_get_path(dest);
 685
 686         if (fp) {
 687                 MsgInfo newmsginfo;
 688
 689                 newmsginfo.msgnum = dest->last_num;
 690                 newmsginfo.flags = msginfo->flags;
 691                 if (dest->stype == F_OUTBOX ||
 692                     dest->stype == F_QUEUE  ||
 693                     dest->stype == F_DRAFT  ||
 694                     dest->stype == F_TRASH)
 695                         MSG_UNSET_FLAGS(newmsginfo.flags,
 696                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 697
 698                 procmsg_write_flags(&newmsginfo, fp);
 699                 fclose(fp);
 700         }
 701
 702         return num;
 703 }
 704 */
 705
 706 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 707 {
 708         gchar *srcfile;
 709         gchar *destfile;
 710         GSList *cur;
 711         MsgInfo *msginfo;
 712
 713         g_return_val_if_fail(dest != NULL, -1);
 714         g_return_val_if_fail(msglist != NULL, -1);
 715
 716         if (dest->last_num < 0) {
 717                 mh_get_last_num(folder, dest);
 718                 if (dest->last_num < 0) return -1;
 719         }
 720
 721         for (cur = msglist; cur != NULL; cur = cur->next) {
 722                 msginfo = (MsgInfo *)cur->data;
 723
 724                 if (msginfo->folder == dest) {
 725                         g_warning(_("the src folder is identical to the dest.\n"));
 726                         continue;
 727                 }
 728                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 729                             msginfo->folder->path, G_DIR_SEPARATOR,
 730                             msginfo->msgnum, dest->path);
 731
 732                 destfile = mh_get_new_msg_filename(dest);
 733                 if (!destfile) break;
 734                 srcfile = procmsg_get_message_file(msginfo);
 735
 736                 if (copy_file(srcfile, destfile) < 0) {
 737                         FILE_OP_ERROR(srcfile, "copy");
 738                         g_free(srcfile);
 739                         g_free(destfile);
 740                         break;
 741                 }
 742
 743                 g_free(srcfile);
 744                 g_free(destfile);
 745                 dest->last_num++;
 746         }
 747
 748         return dest->last_num;
 749 }
 750
 751 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 752 {
 753         gchar *file;
 754         MsgInfo *msginfo;
 755
 756         g_return_val_if_fail(item != NULL, -1);
 757
 758         file = mh_fetch_msg(folder, item, num);
 759         g_return_val_if_fail(file != NULL, -1);
 760
 761         if (unlink(file) < 0) {
 762                 FILE_OP_ERROR(file, "unlink");
 763                 g_free(file);
 764                 return -1;
 765         }
 766
 767         g_free(file);
 768         return 0;
 769 }
 770
 771 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 772 {
 773         gchar *path;
 774         gint val;
 775
 776         g_return_val_if_fail(item != NULL, -1);
 777
 778         path = folder_item_get_path(item);
 779         g_return_val_if_fail(path != NULL, -1);
 780         val = remove_all_numbered_files(path);
 781         g_free(path);
 782
 783         return val;
 784 }
 785
 786 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 787 {
 788         struct stat s;
 789
 790         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 791             msginfo->size  != s.st_size ||
 792             msginfo->mtime != s.st_mtime)
 793                 return TRUE;
 794
 795         return FALSE;
 796 }
 797
 798 gint mh_scan_folder(Folder *folder, FolderItem *item)
 799 {
 800         gchar *path;
 801         DIR *dp;
 802         struct dirent *d;
 803         struct stat s;
 804         gint max = 0;
 805         gint num;
 806         gint n_msg = 0;
 807
 808         g_return_val_if_fail(item != NULL, -1);
 809
 810         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 811
 812         path = folder_item_get_path(item);
 813         g_return_val_if_fail(path != NULL, -1);
 814         if (change_dir(path) < 0) {
 815                 g_free(path);
 816                 return -1;
 817         }
 818         g_free(path);
 819
 820         if ((dp = opendir(".")) == NULL) {
 821                 FILE_OP_ERROR(item->path, "opendir");
 822                 return -1;
 823         }
 824
 825         if (folder->ui_func)
 826                 folder->ui_func(folder, item, folder->ui_func_data);
 827
 828         while ((d = readdir(dp)) != NULL) {
 829                 if ((num = to_number(d->d_name)) >= 0 &&
 830                     stat(d->d_name, &s) == 0 &&
 831                     S_ISREG(s.st_mode)) {
 832 /*
 833                         n_msg++;
 834 */
 835                         if (max < num)
 836                                 max = num;
 837                 }
 838         }
 839         closedir(dp);
 840
 841 /*
 842         if (n_msg == 0)
 843                 item->new = item->unread = item->total = 0;
 844         else {
 845                 gint new, unread, total, min, max;
 846
 847                 procmsg_get_mark_sum(".", &new, &unread, &total, &min, &max, 0);
 848                 if (n_msg > total) {
 849                         new += n_msg - total;
 850                         unread += n_msg - total;
 851                 }
 852                 item->new = new;
 853                 item->unread = unread;
 854                 item->total = n_msg;
 855         }
 856 */
 857         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 858         item->last_num = max;
 859
 860         return 0;
 861 }
 862
 863 void mh_scan_tree(Folder *folder)
 864 {
 865         FolderItem *item;
 866         gchar *rootpath;
 867         GHashTable *pptable;
 868
 869         g_return_if_fail(folder != NULL);
 870
 871         pptable = folder_persist_prefs_new(folder);
 872
 873         prefs_scoring_clear();
 874         prefs_filtering_clear();
 875         folder_tree_destroy(folder);
 876         item = folder_item_new(folder->name, NULL);
 877         item->folder = folder;
 878         folder->node = g_node_new(item);
 879
 880         rootpath = folder_item_get_path(item);
 881         if (change_dir(rootpath) < 0) {
 882                 g_free(rootpath);
 883                 return;
 884         }
 885         g_free(rootpath);
 886
 887         mh_create_tree(folder);
 888         mh_scan_tree_recursive(item, pptable);
 889
 890         folder_persist_prefs_free(pptable);
 891
 892         prefs_matcher_read_config();
 893 }
 894
 895 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 896 { \
 897         if (!is_dir_exist(dir)) { \
 898                 if (is_file_exist(dir)) { \
 899                         g_warning(_("File `%s' already exists.\n" \
 900                                     "Can't create folder."), dir); \
 901                         return -1; \
 902                 } \
 903                 if (make_dir(dir) < 0) \
 904                         return -1; \
 905         } \
 906 }
 907
 908 gint mh_create_tree(Folder *folder)
 909 {
 910         gchar *rootpath;
 911
 912         g_return_val_if_fail(folder != NULL, -1);
 913
 914         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 915         rootpath = LOCAL_FOLDER(folder)->rootpath;
 916         MAKE_DIR_IF_NOT_EXIST(rootpath);
 917         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 918         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 919         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 920         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 921         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 922         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 923
 924         return 0;
 925 }
 926
 927 #undef MAKE_DIR_IF_NOT_EXIST
 928
 929 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 930                              const gchar *name)
 931 {
 932         gchar *path;
 933         gchar *fullpath;
 934         FolderItem *new_item;
 935
 936         g_return_val_if_fail(folder != NULL, NULL);
 937         g_return_val_if_fail(parent != NULL, NULL);
 938         g_return_val_if_fail(name != NULL, NULL);
 939
 940         path = folder_item_get_path(parent);
 941         if (!is_dir_exist(path))
 942                 make_dir_hier(path);
 943
 944         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 945         g_free(path);
 946
 947         if (make_dir(fullpath) < 0) {
 948                 g_free(fullpath);
 949                 return NULL;
 950         }
 951
 952         g_free(fullpath);
 953
 954         if (parent->path)
 955                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 956                                    NULL);
 957         else
 958                 path = g_strdup(name);
 959         new_item = folder_item_new(name, path);
 960         folder_item_append(parent, new_item);
 961         g_free(path);
 962
 963         return new_item;
 964 }
 965
 966 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 967 {
 968         gchar *oldpath;
 969         gchar *dirname;
 970         gchar *newpath;
 971         GNode *node;
 972         gchar *paths[2];
 973
 974         g_return_val_if_fail(folder != NULL, -1);
 975         g_return_val_if_fail(item != NULL, -1);
 976         g_return_val_if_fail(item->path != NULL, -1);
 977         g_return_val_if_fail(name != NULL, -1);
 978
 979         oldpath = folder_item_get_path(item);
 980         if (!is_dir_exist(oldpath))
 981                 make_dir_hier(oldpath);
 982
 983         dirname = g_dirname(oldpath);
 984         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 985         g_free(dirname);
 986
 987         if (rename(oldpath, newpath) < 0) {
 988                 FILE_OP_ERROR(oldpath, "rename");
 989                 g_free(oldpath);
 990                 g_free(newpath);
 991                 return -1;
 992         }
 993
 994         g_free(oldpath);
 995         g_free(newpath);
 996
 997         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 998                 dirname = g_dirname(item->path);
 999                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
1000                 g_free(dirname);
1001         } else
1002                 newpath = g_strdup(name);
1003
1004         g_free(item->name);
1005         item->name = g_strdup(name);
1006
1007         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
1008                            item);
1009         paths[0] = g_strdup(item->path);
1010         paths[1] = newpath;
1011         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1012                         mh_rename_folder_func, paths);
1013
1014         g_free(paths[0]);
1015         g_free(paths[1]);
1016         return 0;
1017 }
1018
1019 gint mh_remove_folder(Folder *folder, FolderItem *item)
1020 {
1021         gchar *path;
1022
1023         g_return_val_if_fail(folder != NULL, -1);
1024         g_return_val_if_fail(item != NULL, -1);
1025         g_return_val_if_fail(item->path != NULL, -1);
1026
1027         path = folder_item_get_path(item);
1028         if (remove_dir_recursive(path) < 0) {
1029                 g_warning("can't remove directory `%s'\n", path);
1030                 g_free(path);
1031                 return -1;
1032         }
1033
1034         g_free(path);
1035         folder_item_remove(item);
1036         return 0;
1037 }
1038
1039
1040 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
1041 {
1042         gchar *path;
1043         DIR *dp;
1044         struct dirent *d;
1045         struct stat s;
1046         GSList *newlist = NULL;
1047         GSList *last = NULL;
1048         MsgInfo *msginfo;
1049         gint n_newmsg = 0;
1050         gint num;
1051
1052         g_return_val_if_fail(item != NULL, NULL);
1053
1054         path = folder_item_get_path(item);
1055         g_return_val_if_fail(path != NULL, NULL);
1056         if (change_dir(path) < 0) {
1057                 g_free(path);
1058                 return NULL;
1059         }
1060         g_free(path);
1061
1062         if ((dp = opendir(".")) == NULL) {
1063                 FILE_OP_ERROR(item->path, "opendir");
1064                 return NULL;
1065         }
1066
1067         debug_print(_("\tSearching uncached messages... "));
1068
1069         if (msg_table) {
1070                 while ((d = readdir(dp)) != NULL) {
1071                         if ((num = to_number(d->d_name)) < 0) continue;
1072                         if (stat(d->d_name, &s) < 0) {
1073                                 FILE_OP_ERROR(d->d_name, "stat");
1074                                 continue;
1075                         }
1076                         if (!S_ISREG(s.st_mode)) continue;
1077
1078                         msginfo = g_hash_table_lookup
1079                                 (msg_table, GUINT_TO_POINTER(num));
1080
1081                         if (!msginfo) {
1082                                 /* not found in the cache (uncached message) */
1083                                 msginfo = mh_parse_msg(d->d_name, item);
1084                                 if (!msginfo) continue;
1085
1086                                 if (!newlist)
1087                                         last = newlist =
1088                                                 g_slist_append(NULL, msginfo);
1089                                 else {
1090                                         last = g_slist_append(last, msginfo);
1091                                         last = last->next;
1092                                 }
1093                                 n_newmsg++;
1094                         }
1095                 }
1096         } else {
1097                 /* discard all previous cache */
1098                 while ((d = readdir(dp)) != NULL) {
1099                         if (to_number(d->d_name) < 0) continue;
1100                         if (stat(d->d_name, &s) < 0) {
1101                                 FILE_OP_ERROR(d->d_name, "stat");
1102                                 continue;
1103                         }
1104                         if (!S_ISREG(s.st_mode)) continue;
1105
1106                         msginfo = mh_parse_msg(d->d_name, item);
1107                         if (!msginfo) continue;
1108
1109                         if (!newlist)
1110                                 last = newlist = g_slist_append(NULL, msginfo);
1111                         else {
1112                                 last = g_slist_append(last, msginfo);
1113                                 last = last->next;
1114                         }
1115                         n_newmsg++;
1116                 }
1117         }
1118
1119         closedir(dp);
1120
1121         if (n_newmsg)
1122                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
1123         else
1124                 debug_print(_("done.\n"));
1125
1126         /* sort new messages in numerical order */
1127         if (newlist) {
1128                 debug_print(_("\tSorting uncached messages in numerical order... "));
1129                 newlist = g_slist_sort
1130                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
1131                 debug_print(_("done.\n"));
1132         }
1133
1134         return newlist;
1135 }
1136
1137 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
1138 {
1139         struct stat s;
1140         MsgInfo *msginfo;
1141         MsgFlags flags;
1142
1143         flags.perm_flags = MSG_NEW|MSG_UNREAD;
1144         flags.tmp_flags = 0;
1145
1146         g_return_val_if_fail(item != NULL, NULL);
1147         g_return_val_if_fail(file != NULL, NULL);
1148
1149         if (item->stype == F_QUEUE) {
1150                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
1151         } else if (item->stype == F_DRAFT) {
1152                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
1153         }
1154
1155         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
1156         if (!msginfo) return NULL;
1157
1158         msginfo->msgnum = atoi(file);
1159         msginfo->folder = item;
1160
1161         if (stat(file, &s) < 0) {
1162                 FILE_OP_ERROR(file, "stat");
1163                 msginfo->size = 0;
1164                 msginfo->mtime = 0;
1165         } else {
1166                 msginfo->size = s.st_size;
1167                 msginfo->mtime = s.st_mtime;
1168         }
1169
1170         return msginfo;
1171 }
1172
1173 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1174 {
1175         gchar *entry;
1176         gboolean result;
1177
1178         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1179         result = is_dir_exist(entry);
1180         g_free(entry);
1181
1182         return result;
1183 }
1184
1185 /*
1186  * check whether PATH is a Maildir style mailbox.
1187  * This is the case if the 3 subdir: new, cur, tmp are existing.
1188  * This functon assumes that entry is an directory
1189  */
1190 static gboolean mh_is_maildir(const gchar *path)
1191 {
1192         return mh_is_maildir_one(path, "new") &&
1193                mh_is_maildir_one(path, "cur") &&
1194                mh_is_maildir_one(path, "tmp");
1195 }
1196
1197 static void mh_scan_tree_recursive(FolderItem *item, GHashTable *pptable)
1198 {
1199         DIR *dp;
1200         struct dirent *d;
1201         struct stat s;
1202         gchar *entry;
1203         gint n_msg = 0;
1204
1205         g_return_if_fail(item != NULL);
1206         g_return_if_fail(item->folder != NULL);
1207
1208         dp = opendir(item->path ? item->path : ".");
1209         if (!dp) {
1210                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1211                 return;
1212         }
1213
1214         debug_print("scanning %s ...\n",
1215                     item->path ? item->path
1216                     : LOCAL_FOLDER(item->folder)->rootpath);
1217         if (item->folder->ui_func)
1218                 item->folder->ui_func(item->folder, item,
1219                                       item->folder->ui_func_data);
1220
1221         while ((d = readdir(dp)) != NULL) {
1222                 if (d->d_name[0] == '.') continue;
1223
1224                 if (item->path)
1225                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1226                                             d->d_name, NULL);
1227                 else
1228                         entry = g_strdup(d->d_name);
1229
1230                 if (stat(entry, &s) < 0) {
1231                         FILE_OP_ERROR(entry, "stat");
1232                         g_free(entry);
1233                         continue;
1234                 }
1235
1236                 if (S_ISDIR(s.st_mode)) {
1237                         FolderItem *new_item;
1238
1239                         if (mh_is_maildir(entry)) {
1240                                 g_free(entry);
1241                                 continue;
1242                         }
1243
1244                         new_item = folder_item_new(d->d_name, entry);
1245                         folder_item_append(item, new_item);
1246                         if (!item->path) {
1247                                 if (!strcmp(d->d_name, INBOX_DIR)) {
1248                                         new_item->stype = F_INBOX;
1249                                         item->folder->inbox = new_item;
1250                                 } else if (!strcmp(d->d_name, OUTBOX_DIR)) {
1251                                         new_item->stype = F_OUTBOX;
1252                                         item->folder->outbox = new_item;
1253                                 } else if (!strcmp(d->d_name, DRAFT_DIR)) {
1254                                         new_item->stype = F_DRAFT;
1255                                         item->folder->draft = new_item;
1256                                 } else if (!strcmp(d->d_name, QUEUE_DIR)) {
1257                                         new_item->stype = F_QUEUE;
1258                                         item->folder->queue = new_item;
1259                                 } else if (!strcmp(d->d_name, TRASH_DIR)) {
1260                                         new_item->stype = F_TRASH;
1261                                         item->folder->trash = new_item;
1262                                 }
1263                         }
1264                         folder_item_restore_persist_prefs(new_item, pptable);
1265                         mh_scan_tree_recursive(new_item, pptable);
1266                 } else if (to_number(d->d_name) != -1) n_msg++;
1267
1268                 g_free(entry);
1269         }
1270
1271         closedir(dp);
1272
1273 /*
1274         if (item->path) {
1275                 gint new, unread, total, min, max;
1276
1277                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
1278                                      &min, &max, 0);
1279                 if (n_msg > total) {
1280                         new += n_msg - total;
1281                         unread += n_msg - total;
1282                 }
1283                 item->new = new;
1284                 item->unread = unread;
1285                 item->total = n_msg;
1286         }
1287 */
1288 }
1289
1290 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1291 {
1292         FolderItem *item = node->data;
1293         gchar **paths = data;
1294         const gchar *oldpath = paths[0];
1295         const gchar *newpath = paths[1];
1296         gchar *base;
1297         gchar *new_itempath;
1298         gint oldpathlen;
1299
1300         oldpathlen = strlen(oldpath);
1301         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1302                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1303                 return TRUE;
1304         }
1305
1306         base = item->path + oldpathlen;
1307         while (*base == G_DIR_SEPARATOR) base++;
1308         if (*base == '\0')
1309                 new_itempath = g_strdup(newpath);
1310         else
1311                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1312                                            NULL);
1313         g_free(item->path);
1314         item->path = new_itempath;
1315
1316         return FALSE;
1317 }