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
 108 static gboolean mh_rename_folder_func           (GNode          *node,
 109                                                  gpointer        data);
 110
 111
 112 Folder *mh_folder_new(const gchar *name, const gchar *path)
 113 {
 114         Folder *folder;
 115
 116         folder = (Folder *)g_new0(MHFolder, 1);
 117         mh_folder_init(folder, name, path);
 118
 119         return folder;
 120 }
 121
 122 void mh_folder_destroy(MHFolder *folder)
 123 {
 124         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 125 }
 126
 127 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 128 {
 129         folder_local_folder_init(folder, name, path);
 130
 131         folder->type = F_MH;
 132
 133 /*
 134         folder->get_msg_list        = mh_get_msg_list;
 135 */
 136         folder->fetch_msg           = mh_fetch_msg;
 137         folder->fetch_msginfo       = mh_fetch_msginfo;
 138         folder->add_msg             = mh_add_msg;
 139         folder->move_msg            = mh_move_msg;
 140         folder->move_msgs_with_dest = mh_move_msgs_with_dest;
 141         folder->copy_msg            = mh_copy_msg;
 142         folder->copy_msgs_with_dest = mh_copy_msgs_with_dest;
 143         folder->remove_msg          = mh_remove_msg;
 144         folder->remove_all_msg      = mh_remove_all_msg;
 145         folder->is_msg_changed      = mh_is_msg_changed;
 146 /*
 147         folder->scan                = mh_scan_folder;
 148 */
 149         folder->get_num_list        = mh_get_num_list;
 150         folder->scan_tree           = mh_scan_tree;
 151         folder->create_tree         = mh_create_tree;
 152         folder->create_folder       = mh_create_folder;
 153         folder->rename_folder       = mh_rename_folder;
 154         folder->remove_folder       = mh_remove_folder;
 155 }
 156
 157 void mh_get_last_num(Folder *folder, FolderItem *item)
 158 {
 159         gchar *path;
 160         DIR *dp;
 161         struct dirent *d;
 162         struct stat s;
 163         gint max = 0;
 164         gint num;
 165
 166         g_return_if_fail(item != NULL);
 167
 168         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 169
 170         path = folder_item_get_path(item);
 171         g_return_if_fail(path != NULL);
 172         if (change_dir(path) < 0) {
 173                 g_free(path);
 174                 return;
 175         }
 176         g_free(path);
 177
 178         if ((dp = opendir(".")) == NULL) {
 179                 FILE_OP_ERROR(item->path, "opendir");
 180                 return;
 181         }
 182
 183         while ((d = readdir(dp)) != NULL) {
 184                 if ((num = to_number(d->d_name)) >= 0 &&
 185                     stat(d->d_name, &s) == 0 &&
 186                     S_ISREG(s.st_mode)) {
 187                         if (max < num)
 188                                 max = num;
 189                 }
 190         }
 191         closedir(dp);
 192
 193         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 194         item->last_num = max;
 195 }
 196
 197 GSList *mh_get_num_list(Folder *folder, FolderItem *item)
 198 {
 199
 200         gchar *path;
 201         DIR *dp;
 202         struct dirent *d;
 203         struct stat s;
 204         gint num;
 205         GSList *list = NULL;
 206
 207         g_return_val_if_fail(item != NULL, NULL);
 208
 209         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 210
 211         path = folder_item_get_path(item);
 212         g_return_val_if_fail(path != NULL, NULL);
 213         if (change_dir(path) < 0) {
 214                 g_free(path);
 215                 return NULL;
 216         }
 217         g_free(path);
 218
 219         if ((dp = opendir(".")) == NULL) {
 220                 FILE_OP_ERROR(item->path, "opendir");
 221                 return NULL;
 222         }
 223
 224         while ((d = readdir(dp)) != NULL) {
 225                 if ((num = to_number(d->d_name)) >= 0 &&
 226                     stat(d->d_name, &s) == 0 &&
 227                     S_ISREG(s.st_mode)) {
 228                         list = g_slist_prepend(list, GINT_TO_POINTER(num));
 229                 }
 230         }
 231         closedir(dp);
 232
 233         return list;
 234 }
 235
 236 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
 237 {
 238         GSList *mlist;
 239         GHashTable *msg_table;
 240         gchar *path;
 241         struct stat s;
 242         gboolean scan_new = TRUE;
 243 #ifdef MEASURE_TIME
 244         struct timeval tv_before, tv_after, tv_result;
 245
 246         gettimeofday(&tv_before, NULL);
 247 #endif
 248
 249         g_return_val_if_fail(item != NULL, NULL);
 250
 251         path = folder_item_get_path(item);
 252         if (stat(path, &s) < 0) {
 253                 FILE_OP_ERROR(path, "stat");
 254         } else {
 255                 time_t mtime;
 256
 257                 mtime = MAX(s.st_mtime, s.st_ctime);
 258                 if (item->mtime == mtime) {
 259                         debug_print("Folder is not modified.\n");
 260                         scan_new = FALSE;
 261                 } else
 262                         item->mtime = mtime;
 263         }
 264         g_free(path);
 265
 266         if (use_cache && !scan_new) {
 267                 mlist = procmsg_read_cache(item, FALSE);
 268                 if (!mlist)
 269                         mlist = mh_get_uncached_msgs(NULL, item);
 270         } else if (use_cache) {
 271                 GSList *newlist;
 272
 273                 mlist = procmsg_read_cache(item, TRUE);
 274                 msg_table = procmsg_msg_hash_table_create(mlist);
 275
 276                 newlist = mh_get_uncached_msgs(msg_table, item);
 277                 if (msg_table)
 278                         g_hash_table_destroy(msg_table);
 279
 280                 mlist = g_slist_concat(mlist, newlist);
 281         } else
 282                 mlist = mh_get_uncached_msgs(NULL, item);
 283
 284         procmsg_set_flags(mlist, item);
 285
 286 #ifdef MEASURE_TIME
 287         gettimeofday(&tv_after, NULL);
 288
 289         timersub(&tv_after, &tv_before, &tv_result);
 290         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 291                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 292 #endif
 293
 294         return mlist;
 295 }
 296
 297 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 298 {
 299         gchar *path;
 300         gchar *file;
 301
 302         g_return_val_if_fail(item != NULL, NULL);
 303         g_return_val_if_fail(num > 0, NULL);
 304
 305         path = folder_item_get_path(item);
 306         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 307         g_free(path);
 308         if (!is_file_exist(file)) {
 309                 g_free(file);
 310                 return NULL;
 311         }
 312
 313         return file;
 314 }
 315
 316 MsgInfo *mh_fetch_msginfo(Folder *folder, FolderItem *item, gint num)
 317 {
 318         gchar *path;
 319         gchar *file;
 320         MsgFlags flags;
 321         MsgInfo *msginfo;
 322         struct stat s;
 323
 324         g_return_val_if_fail(item != NULL, NULL);
 325         g_return_val_if_fail(num > 0, NULL);
 326
 327         path = folder_item_get_path(item);
 328         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 329         g_free(path);
 330         if (!is_file_exist(file)) {
 331                 g_free(file);
 332                 return NULL;
 333         }
 334
 335         folder_item_set_default_flags(item, &flags);
 336         msginfo = procheader_parse_file(file, flags, TRUE, FALSE);
 337         msginfo->msgnum = num;
 338         msginfo->folder = item;
 339
 340         if (stat(file, &s) < 0) {
 341                 FILE_OP_ERROR(file, "stat");
 342                 msginfo->size = 0;
 343                 msginfo->mtime = 0;
 344         } else {
 345                 msginfo->size = s.st_size;
 346                 msginfo->mtime = s.st_mtime;
 347         }
 348
 349         return msginfo;
 350 }
 351
 352 gchar *mh_get_new_msg_filename(FolderItem *dest)
 353 {
 354         gchar *destfile;
 355         gchar *destpath;
 356
 357         destpath = folder_item_get_path(dest);
 358         g_return_val_if_fail(destpath != NULL, NULL);
 359
 360         if (!is_dir_exist(destpath))
 361                 make_dir_hier(destpath);
 362
 363         for (;;) {
 364                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 365                                            dest->last_num + 1);
 366                 if (is_file_entry_exist(destfile)) {
 367                         dest->last_num++;
 368                         g_free(destfile);
 369                 } else
 370                         break;
 371         }
 372
 373         g_free(destpath);
 374
 375         return destfile;
 376 }
 377
 378 #define SET_DEST_MSG_FLAGS(fp, dest, msginfo) \
 379 { \
 380         MsgInfo newmsginfo; \
 381  \
 382         newmsginfo.msgnum = dest->last_num; \
 383         newmsginfo.flags = msginfo->flags; \
 384         if (dest->stype == F_OUTBOX || \
 385             dest->stype == F_QUEUE  || \
 386             dest->stype == F_DRAFT  || \
 387             dest->stype == F_TRASH) \
 388                 MSG_UNSET_PERM_FLAGS(newmsginfo.flags, \
 389                                      MSG_NEW|MSG_UNREAD|MSG_DELETED); \
 390  \
 391         procmsg_write_flags(&newmsginfo, fp); \
 392 }
 393
 394 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 395                 gboolean remove_source)
 396 {
 397         gchar *destfile;
 398
 399         g_return_val_if_fail(dest != NULL, -1);
 400         g_return_val_if_fail(file != NULL, -1);
 401
 402         if (dest->last_num < 0) {
 403                 mh_get_last_num(folder, dest);
 404                 if (dest->last_num < 0) return -1;
 405         }
 406
 407         destfile = mh_get_new_msg_filename(dest);
 408         g_return_val_if_fail(destfile != NULL, -1);
 409
 410         if (link(file, destfile) < 0) {
 411                 if (copy_file(file, destfile) < 0) {
 412                         g_warning(_("can't copy message %s to %s\n"),
 413                                   file, destfile);
 414                         g_free(destfile);
 415                         return -1;
 416                 }
 417         }
 418
 419         if (remove_source) {
 420                 if (unlink(file) < 0)
 421                         FILE_OP_ERROR(file, "unlink");
 422         }
 423
 424         g_free(destfile);
 425         dest->last_num++;
 426         return dest->last_num;
 427 }
 428
 429 static gint mh_do_move(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 430 {
 431         gchar *srcfile;
 432         gchar *destfile;
 433         gint filemode = 0;
 434         PrefsFolderItem *prefs;
 435
 436         g_return_val_if_fail(dest != NULL, -1);
 437         g_return_val_if_fail(msginfo != NULL, -1);
 438
 439         if (msginfo->folder == dest) {
 440                 g_warning(_("the src folder is identical to the dest.\n"));
 441                 return -1;
 442         }
 443
 444         if (dest->last_num < 0) {
 445                 mh_get_last_num(folder, dest);
 446                 if (dest->last_num < 0) return -1;
 447         }
 448
 449         prefs = dest->prefs;
 450
 451         destfile = mh_get_new_msg_filename(dest);
 452         g_return_val_if_fail(destfile != NULL, -1);
 453
 454         debug_print(_("Moving message %s%c%d to %s ...\n"),
 455                     msginfo->folder->path, G_DIR_SEPARATOR,
 456                     msginfo->msgnum, dest->path);
 457         srcfile = procmsg_get_message_file(msginfo);
 458
 459         destfile = mh_get_new_msg_filename(dest);
 460         if(!destfile) return -1;
 461
 462         srcfile = procmsg_get_message_file(msginfo);
 463
 464         if (move_file(srcfile, destfile) < 0) {
 465                 g_free(srcfile);
 466                 g_free(destfile);
 467                 return -1;
 468         }
 469
 470         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 471                 if (chmod(destfile, prefs->folder_chmod) < 0)
 472                         FILE_OP_ERROR(destfile, "chmod");
 473
 474                 /* for mark file */
 475                 filemode = prefs->folder_chmod;
 476                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 477                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 478         }
 479
 480         g_free(srcfile);
 481         g_free(destfile);
 482         dest->last_num++;
 483
 484         return dest->last_num;
 485 }
 486
 487 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 488 {
 489         gchar *srcfile;
 490         gint ret = 0;
 491
 492         g_return_val_if_fail(folder != NULL, -1);
 493         g_return_val_if_fail(dest != NULL, -1);
 494         g_return_val_if_fail(msginfo != NULL, -1);
 495         g_return_val_if_fail(msginfo->folder != NULL, -1);
 496
 497         if (folder == msginfo->folder->folder)
 498                 return mh_do_move(folder, dest, msginfo);
 499
 500         srcfile = procmsg_get_message_file(msginfo);
 501         if (!srcfile) return -1;
 502
 503         ret = mh_add_msg(folder, dest, srcfile, FALSE);
 504         g_free(srcfile);
 505
 506         if (ret != -1) {
 507                 gchar *destdir;
 508                 FILE *fp;
 509
 510                 destdir = folder_item_get_path(dest);
 511                 if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 512                         g_warning(_("Can't open mark file.\n"));
 513                 else {
 514                         SET_DEST_MSG_FLAGS(fp, dest, msginfo);
 515                         fclose(fp);
 516                 }
 517                 g_free(destdir);
 518
 519                 ret = folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 520         }
 521
 522         return ret;
 523 }
 524
 525 static gint mh_do_move_msgs_with_dest(Folder *folder, FolderItem *dest,
 526                                       GSList *msglist)
 527 {
 528         gchar *srcfile;
 529         gchar *destfile;
 530         GSList *cur;
 531         MsgInfo *msginfo;
 532         PrefsFolderItem *prefs;
 533
 534         g_return_val_if_fail(dest != NULL, -1);
 535         g_return_val_if_fail(msglist != NULL, -1);
 536
 537         if (dest->last_num < 0) {
 538                 mh_get_last_num(folder, dest);
 539                 if (dest->last_num < 0) return -1;
 540         }
 541
 542         prefs = dest->prefs;
 543
 544         for (cur = msglist; cur != NULL; cur = cur->next) {
 545                 msginfo = (MsgInfo *)cur->data;
 546
 547                 if (msginfo->folder == dest) {
 548                         g_warning(_("the src folder is identical to the dest.\n"));
 549                         continue;
 550                 }
 551                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 552                             msginfo->folder->path, G_DIR_SEPARATOR,
 553                             msginfo->msgnum, dest->path);
 554
 555                 destfile = mh_get_new_msg_filename(dest);
 556                 if (!destfile) break;
 557                 srcfile = procmsg_get_message_file(msginfo);
 558                 destfile = mh_get_new_msg_filename(dest);
 559                 if(!destfile) return -1;
 560
 561                 if (move_file(srcfile, destfile) < 0) {
 562                         g_free(srcfile);
 563                         g_free(destfile);
 564                         break;
 565                 }
 566
 567                 g_free(srcfile);
 568                 g_free(destfile);
 569                 dest->last_num++;
 570         }
 571
 572         return dest->last_num;
 573 }
 574
 575 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 576 {
 577         MsgInfo *msginfo;
 578         GSList *cur;
 579         gint ret = 0;
 580
 581         msginfo = (MsgInfo *)msglist->data;
 582         if (folder == msginfo->folder->folder)
 583                 return mh_do_move_msgs_with_dest(folder, dest, msglist);
 584
 585         for (cur = msglist; cur != NULL; cur = cur->next) {
 586                 msginfo = (MsgInfo *)cur->data;
 587                 ret = mh_move_msg(folder, dest, msginfo);
 588                 if (ret == -1) break;
 589         }
 590
 591         return ret;
 592 }
 593
 594 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 595 {
 596         gchar *srcfile;
 597         gchar *destfile;
 598         gint filemode = 0;
 599         PrefsFolderItem *prefs;
 600
 601         g_return_val_if_fail(dest != NULL, -1);
 602         g_return_val_if_fail(msginfo != NULL, -1);
 603
 604         if (msginfo->folder == dest) {
 605                 g_warning(_("the src folder is identical to the dest.\n"));
 606                 return -1;
 607         }
 608
 609         if (dest->last_num < 0) {
 610                 mh_get_last_num(folder, dest);
 611                 if (dest->last_num < 0) return -1;
 612         }
 613
 614         prefs = dest->prefs;
 615
 616         destfile = mh_get_new_msg_filename(dest);
 617         g_return_val_if_fail(destfile != NULL, -1);
 618
 619         debug_print(_("Copying message %s%c%d to %s ...\n"),
 620                     msginfo->folder->path, G_DIR_SEPARATOR,
 621                     msginfo->msgnum, dest->path);
 622
 623         srcfile = procmsg_get_message_file(msginfo);
 624         destfile = mh_get_new_msg_filename(dest);
 625         if(!destfile) {
 626                 g_free(srcfile);
 627                 return -1;
 628         }
 629
 630         dest->op_count--;
 631
 632         if (copy_file(srcfile, destfile) < 0) {
 633                 FILE_OP_ERROR(srcfile, "copy");
 634                 g_free(srcfile);
 635                 g_free(destfile);
 636                 return -1;
 637         }
 638
 639         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 640                 if (chmod(destfile, prefs->folder_chmod) < 0)
 641                         FILE_OP_ERROR(destfile, "chmod");
 642
 643                 /* for mark file */
 644                 filemode = prefs->folder_chmod;
 645                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 646                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 647         }
 648
 649         g_free(srcfile);
 650         g_free(destfile);
 651         dest->last_num++;
 652
 653         return dest->last_num;
 654 }
 655
 656 /*
 657 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 658 {
 659         Folder * src_folder;
 660         gchar * filename;
 661         gint num;
 662         gchar * destdir;
 663         FILE * fp;
 664
 665         src_folder = msginfo->folder->folder;
 666
 667         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 668
 669         filename = src_folder->fetch_msg(src_folder,
 670                                          msginfo->folder,
 671                                          msginfo->msgnum);
 672         if (filename == NULL)
 673                 return -1;
 674
 675         num = folder->add_msg(folder, dest, filename, FALSE);
 676
 677         destdir = folder_item_get_path(dest);
 678
 679         if (fp) {
 680                 MsgInfo newmsginfo;
 681
 682                 newmsginfo.msgnum = dest->last_num;
 683                 newmsginfo.flags = msginfo->flags;
 684                 if (dest->stype == F_OUTBOX ||
 685                     dest->stype == F_QUEUE  ||
 686                     dest->stype == F_DRAFT  ||
 687                     dest->stype == F_TRASH)
 688                         MSG_UNSET_FLAGS(newmsginfo.flags,
 689                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 690
 691                 procmsg_write_flags(&newmsginfo, fp);
 692                 fclose(fp);
 693         }
 694
 695         return num;
 696 }
 697 */
 698
 699 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 700 {
 701         gchar *srcfile;
 702         gchar *destfile;
 703         GSList *cur;
 704         MsgInfo *msginfo;
 705
 706         g_return_val_if_fail(dest != NULL, -1);
 707         g_return_val_if_fail(msglist != NULL, -1);
 708
 709         if (dest->last_num < 0) {
 710                 mh_get_last_num(folder, dest);
 711                 if (dest->last_num < 0) return -1;
 712         }
 713
 714         for (cur = msglist; cur != NULL; cur = cur->next) {
 715                 msginfo = (MsgInfo *)cur->data;
 716
 717                 if (msginfo->folder == dest) {
 718                         g_warning(_("the src folder is identical to the dest.\n"));
 719                         continue;
 720                 }
 721                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 722                             msginfo->folder->path, G_DIR_SEPARATOR,
 723                             msginfo->msgnum, dest->path);
 724
 725                 destfile = mh_get_new_msg_filename(dest);
 726                 if (!destfile) break;
 727                 srcfile = procmsg_get_message_file(msginfo);
 728
 729                 if (copy_file(srcfile, destfile) < 0) {
 730                         FILE_OP_ERROR(srcfile, "copy");
 731                         g_free(srcfile);
 732                         g_free(destfile);
 733                         break;
 734                 }
 735
 736                 g_free(srcfile);
 737                 g_free(destfile);
 738                 dest->last_num++;
 739         }
 740
 741         return dest->last_num;
 742 }
 743
 744 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 745 {
 746         gchar *file;
 747
 748         g_return_val_if_fail(item != NULL, -1);
 749
 750         file = mh_fetch_msg(folder, item, num);
 751         g_return_val_if_fail(file != NULL, -1);
 752
 753         if (unlink(file) < 0) {
 754                 FILE_OP_ERROR(file, "unlink");
 755                 g_free(file);
 756                 return -1;
 757         }
 758
 759         g_free(file);
 760         return 0;
 761 }
 762
 763 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 764 {
 765         gchar *path;
 766         gint val;
 767
 768         g_return_val_if_fail(item != NULL, -1);
 769
 770         path = folder_item_get_path(item);
 771         g_return_val_if_fail(path != NULL, -1);
 772         val = remove_all_numbered_files(path);
 773         g_free(path);
 774
 775         return val;
 776 }
 777
 778 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 779 {
 780         struct stat s;
 781
 782         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 783             msginfo->size  != s.st_size ||
 784             msginfo->mtime != s.st_mtime)
 785                 return TRUE;
 786
 787         return FALSE;
 788 }
 789
 790 gint mh_scan_folder(Folder *folder, FolderItem *item)
 791 {
 792         gchar *path;
 793         DIR *dp;
 794         struct dirent *d;
 795         struct stat s;
 796         gint max = 0;
 797         gint num;
 798
 799         g_return_val_if_fail(item != NULL, -1);
 800
 801         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 802
 803         path = folder_item_get_path(item);
 804         g_return_val_if_fail(path != NULL, -1);
 805         if (change_dir(path) < 0) {
 806                 g_free(path);
 807                 return -1;
 808         }
 809         g_free(path);
 810
 811         if ((dp = opendir(".")) == NULL) {
 812                 FILE_OP_ERROR(item->path, "opendir");
 813                 return -1;
 814         }
 815
 816         if (folder->ui_func)
 817                 folder->ui_func(folder, item, folder->ui_func_data);
 818
 819         while ((d = readdir(dp)) != NULL) {
 820                 if ((num = to_number(d->d_name)) >= 0 &&
 821                     stat(d->d_name, &s) == 0 &&
 822                     S_ISREG(s.st_mode)) {
 823 /*
 824                         n_msg++;
 825 */
 826                         if (max < num)
 827                                 max = num;
 828                 }
 829         }
 830         closedir(dp);
 831
 832 /*
 833         if (n_msg == 0)
 834                 item->new = item->unread = item->total = 0;
 835         else {
 836                 gint new, unread, total, min, max;
 837
 838                 procmsg_get_mark_sum(".", &new, &unread, &total, &min, &max, 0);
 839                 if (n_msg > total) {
 840                         new += n_msg - total;
 841                         unread += n_msg - total;
 842                 }
 843                 item->new = new;
 844                 item->unread = unread;
 845                 item->total = n_msg;
 846         }
 847 */
 848         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 849         item->last_num = max;
 850
 851         return 0;
 852 }
 853
 854 void mh_scan_tree(Folder *folder)
 855 {
 856         FolderItem *item;
 857         gchar *rootpath;
 858
 859         g_return_if_fail(folder != NULL);
 860
 861         item = folder_item_new(folder->name, NULL);
 862         item->folder = folder;
 863         folder->node = g_node_new(item);
 864
 865         rootpath = folder_item_get_path(item);
 866         if (change_dir(rootpath) < 0) {
 867                 g_free(rootpath);
 868                 return;
 869         }
 870         g_free(rootpath);
 871
 872         mh_create_tree(folder);
 873         mh_scan_tree_recursive(item);
 874 }
 875
 876 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 877 { \
 878         if (!is_dir_exist(dir)) { \
 879                 if (is_file_exist(dir)) { \
 880                         g_warning(_("File `%s' already exists.\n" \
 881                                     "Can't create folder."), dir); \
 882                         return -1; \
 883                 } \
 884                 if (make_dir(dir) < 0) \
 885                         return -1; \
 886         } \
 887 }
 888
 889 gint mh_create_tree(Folder *folder)
 890 {
 891         gchar *rootpath;
 892
 893         g_return_val_if_fail(folder != NULL, -1);
 894
 895         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 896         rootpath = LOCAL_FOLDER(folder)->rootpath;
 897         MAKE_DIR_IF_NOT_EXIST(rootpath);
 898         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 899         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 900         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 901         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 902         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 903         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 904
 905         return 0;
 906 }
 907
 908 #undef MAKE_DIR_IF_NOT_EXIST
 909
 910 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 911                              const gchar *name)
 912 {
 913         gchar *path;
 914         gchar *fullpath;
 915         FolderItem *new_item;
 916
 917         g_return_val_if_fail(folder != NULL, NULL);
 918         g_return_val_if_fail(parent != NULL, NULL);
 919         g_return_val_if_fail(name != NULL, NULL);
 920
 921         path = folder_item_get_path(parent);
 922         if (!is_dir_exist(path))
 923                 make_dir_hier(path);
 924
 925         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 926         g_free(path);
 927
 928         if (make_dir(fullpath) < 0) {
 929                 g_free(fullpath);
 930                 return NULL;
 931         }
 932
 933         g_free(fullpath);
 934
 935         if (parent->path)
 936                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 937                                    NULL);
 938         else
 939                 path = g_strdup(name);
 940         new_item = folder_item_new(name, path);
 941         folder_item_append(parent, new_item);
 942         g_free(path);
 943
 944         return new_item;
 945 }
 946
 947 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 948 {
 949         gchar *oldpath;
 950         gchar *dirname;
 951         gchar *newpath;
 952         GNode *node;
 953         gchar *paths[2];
 954
 955         g_return_val_if_fail(folder != NULL, -1);
 956         g_return_val_if_fail(item != NULL, -1);
 957         g_return_val_if_fail(item->path != NULL, -1);
 958         g_return_val_if_fail(name != NULL, -1);
 959
 960         oldpath = folder_item_get_path(item);
 961         if (!is_dir_exist(oldpath))
 962                 make_dir_hier(oldpath);
 963
 964         dirname = g_dirname(oldpath);
 965         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 966         g_free(dirname);
 967
 968         if (rename(oldpath, newpath) < 0) {
 969                 FILE_OP_ERROR(oldpath, "rename");
 970                 g_free(oldpath);
 971                 g_free(newpath);
 972                 return -1;
 973         }
 974
 975         g_free(oldpath);
 976         g_free(newpath);
 977
 978         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 979                 dirname = g_dirname(item->path);
 980                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 981                 g_free(dirname);
 982         } else
 983                 newpath = g_strdup(name);
 984
 985         g_free(item->name);
 986         item->name = g_strdup(name);
 987
 988         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 989                            item);
 990         paths[0] = g_strdup(item->path);
 991         paths[1] = newpath;
 992         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 993                         mh_rename_folder_func, paths);
 994
 995         g_free(paths[0]);
 996         g_free(paths[1]);
 997         return 0;
 998 }
 999
1000 gint mh_remove_folder(Folder *folder, FolderItem *item)
1001 {
1002         gchar *path;
1003
1004         g_return_val_if_fail(folder != NULL, -1);
1005         g_return_val_if_fail(item != NULL, -1);
1006         g_return_val_if_fail(item->path != NULL, -1);
1007
1008         path = folder_item_get_path(item);
1009         if (remove_dir_recursive(path) < 0) {
1010                 g_warning("can't remove directory `%s'\n", path);
1011                 g_free(path);
1012                 return -1;
1013         }
1014
1015         g_free(path);
1016         folder_item_remove(item);
1017         return 0;
1018 }
1019
1020
1021 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
1022 {
1023         gchar *path;
1024         DIR *dp;
1025         struct dirent *d;
1026         struct stat s;
1027         GSList *newlist = NULL;
1028         GSList *last = NULL;
1029         MsgInfo *msginfo;
1030         gint n_newmsg = 0;
1031         gint num;
1032
1033         g_return_val_if_fail(item != NULL, NULL);
1034
1035         path = folder_item_get_path(item);
1036         g_return_val_if_fail(path != NULL, NULL);
1037         if (change_dir(path) < 0) {
1038                 g_free(path);
1039                 return NULL;
1040         }
1041         g_free(path);
1042
1043         if ((dp = opendir(".")) == NULL) {
1044                 FILE_OP_ERROR(item->path, "opendir");
1045                 return NULL;
1046         }
1047
1048         debug_print(_("\tSearching uncached messages... "));
1049
1050         if (msg_table) {
1051                 while ((d = readdir(dp)) != NULL) {
1052                         if ((num = to_number(d->d_name)) < 0) continue;
1053                         if (stat(d->d_name, &s) < 0) {
1054                                 FILE_OP_ERROR(d->d_name, "stat");
1055                                 continue;
1056                         }
1057                         if (!S_ISREG(s.st_mode)) continue;
1058
1059                         msginfo = g_hash_table_lookup
1060                                 (msg_table, GUINT_TO_POINTER(num));
1061
1062                         if (!msginfo) {
1063                                 /* not found in the cache (uncached message) */
1064                                 msginfo = mh_parse_msg(d->d_name, item);
1065                                 if (!msginfo) continue;
1066
1067                                 if (!newlist)
1068                                         last = newlist =
1069                                                 g_slist_append(NULL, msginfo);
1070                                 else {
1071                                         last = g_slist_append(last, msginfo);
1072                                         last = last->next;
1073                                 }
1074                                 n_newmsg++;
1075                         }
1076                 }
1077         } else {
1078                 /* discard all previous cache */
1079                 while ((d = readdir(dp)) != NULL) {
1080                         if (to_number(d->d_name) < 0) continue;
1081                         if (stat(d->d_name, &s) < 0) {
1082                                 FILE_OP_ERROR(d->d_name, "stat");
1083                                 continue;
1084                         }
1085                         if (!S_ISREG(s.st_mode)) continue;
1086
1087                         msginfo = mh_parse_msg(d->d_name, item);
1088                         if (!msginfo) continue;
1089
1090                         if (!newlist)
1091                                 last = newlist = g_slist_append(NULL, msginfo);
1092                         else {
1093                                 last = g_slist_append(last, msginfo);
1094                                 last = last->next;
1095                         }
1096                         n_newmsg++;
1097                 }
1098         }
1099
1100         closedir(dp);
1101
1102         if (n_newmsg)
1103                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
1104         else
1105                 debug_print(_("done.\n"));
1106
1107         /* sort new messages in numerical order */
1108         if (newlist) {
1109                 debug_print(_("\tSorting uncached messages in numerical order... "));
1110                 newlist = g_slist_sort
1111                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
1112                 debug_print(_("done.\n"));
1113         }
1114
1115         return newlist;
1116 }
1117
1118 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
1119 {
1120         struct stat s;
1121         MsgInfo *msginfo;
1122         MsgFlags flags;
1123
1124         flags.perm_flags = MSG_NEW|MSG_UNREAD;
1125         flags.tmp_flags = 0;
1126
1127         g_return_val_if_fail(item != NULL, NULL);
1128         g_return_val_if_fail(file != NULL, NULL);
1129
1130         if (item->stype == F_QUEUE) {
1131                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
1132         } else if (item->stype == F_DRAFT) {
1133                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
1134         }
1135
1136         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
1137         if (!msginfo) return NULL;
1138
1139         msginfo->msgnum = atoi(file);
1140         msginfo->folder = item;
1141
1142         if (stat(file, &s) < 0) {
1143                 FILE_OP_ERROR(file, "stat");
1144                 msginfo->size = 0;
1145                 msginfo->mtime = 0;
1146         } else {
1147                 msginfo->size = s.st_size;
1148                 msginfo->mtime = s.st_mtime;
1149         }
1150
1151         return msginfo;
1152 }
1153
1154 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1155 {
1156         gchar *entry;
1157         gboolean result;
1158
1159         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1160         result = is_dir_exist(entry);
1161         g_free(entry);
1162
1163         return result;
1164 }
1165
1166 /*
1167  * check whether PATH is a Maildir style mailbox.
1168  * This is the case if the 3 subdir: new, cur, tmp are existing.
1169  * This functon assumes that entry is an directory
1170  */
1171 static gboolean mh_is_maildir(const gchar *path)
1172 {
1173         return mh_is_maildir_one(path, "new") &&
1174                mh_is_maildir_one(path, "cur") &&
1175                mh_is_maildir_one(path, "tmp");
1176 }
1177
1178 static void mh_scan_tree_recursive(FolderItem *item)
1179 {
1180         DIR *dp;
1181         struct dirent *d;
1182         struct stat s;
1183         gchar *entry;
1184         gint n_msg = 0;
1185
1186         g_return_if_fail(item != NULL);
1187         g_return_if_fail(item->folder != NULL);
1188
1189         dp = opendir(item->path ? item->path : ".");
1190         if (!dp) {
1191                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1192                 return;
1193         }
1194
1195         debug_print("scanning %s ...\n",
1196                     item->path ? item->path
1197                     : LOCAL_FOLDER(item->folder)->rootpath);
1198         if (item->folder->ui_func)
1199                 item->folder->ui_func(item->folder, item,
1200                                       item->folder->ui_func_data);
1201
1202         while ((d = readdir(dp)) != NULL) {
1203                 if (d->d_name[0] == '.') continue;
1204
1205                 if (item->path)
1206                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1207                                             d->d_name, NULL);
1208                 else
1209                         entry = g_strdup(d->d_name);
1210
1211                 if (stat(entry, &s) < 0) {
1212                         FILE_OP_ERROR(entry, "stat");
1213                         g_free(entry);
1214                         continue;
1215                 }
1216
1217                 if (S_ISDIR(s.st_mode)) {
1218                         FolderItem *new_item;
1219
1220                         if (mh_is_maildir(entry)) {
1221                                 g_free(entry);
1222                                 continue;
1223                         }
1224
1225                         new_item = folder_item_new(d->d_name, entry);
1226                         folder_item_append(item, new_item);
1227                         if (!item->path) {
1228                                 if (!strcmp(d->d_name, INBOX_DIR)) {
1229                                         new_item->stype = F_INBOX;
1230                                         item->folder->inbox = new_item;
1231                                 } else if (!strcmp(d->d_name, OUTBOX_DIR)) {
1232                                         new_item->stype = F_OUTBOX;
1233                                         item->folder->outbox = new_item;
1234                                 } else if (!strcmp(d->d_name, DRAFT_DIR)) {
1235                                         new_item->stype = F_DRAFT;
1236                                         item->folder->draft = new_item;
1237                                 } else if (!strcmp(d->d_name, QUEUE_DIR)) {
1238                                         new_item->stype = F_QUEUE;
1239                                         item->folder->queue = new_item;
1240                                 } else if (!strcmp(d->d_name, TRASH_DIR)) {
1241                                         new_item->stype = F_TRASH;
1242                                         item->folder->trash = new_item;
1243                                 }
1244                         }
1245                         mh_scan_tree_recursive(new_item);
1246                 } else if (to_number(d->d_name) != -1) n_msg++;
1247
1248                 g_free(entry);
1249         }
1250
1251         closedir(dp);
1252
1253 /*
1254         if (item->path) {
1255                 gint new, unread, total, min, max;
1256
1257                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
1258                                      &min, &max, 0);
1259                 if (n_msg > total) {
1260                         new += n_msg - total;
1261                         unread += n_msg - total;
1262                 }
1263                 item->new = new;
1264                 item->unread = unread;
1265                 item->total = n_msg;
1266         }
1267 */
1268 }
1269
1270 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1271 {
1272         FolderItem *item = node->data;
1273         gchar **paths = data;
1274         const gchar *oldpath = paths[0];
1275         const gchar *newpath = paths[1];
1276         gchar *base;
1277         gchar *new_itempath;
1278         gint oldpathlen;
1279
1280         oldpathlen = strlen(oldpath);
1281         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1282                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1283                 return TRUE;
1284         }
1285
1286         base = item->path + oldpathlen;
1287         while (*base == G_DIR_SEPARATOR) base++;
1288         if (*base == '\0')
1289                 new_itempath = g_strdup(newpath);
1290         else
1291                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1292                                            NULL);
1293         g_free(item->path);
1294         item->path = new_itempath;
1295
1296         return FALSE;
1297 }