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_get_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 gint mh_get_num_list            (Folder         *folder,
  87                                  FolderItem     *item,
  88                                  GSList        **list);
  89 void    mh_scan_tree            (Folder         *folder);
  90
  91 gint    mh_create_tree          (Folder         *folder);
  92 FolderItem *mh_create_folder    (Folder         *folder,
  93                                  FolderItem     *parent,
  94                                  const gchar    *name);
  95 gint    mh_rename_folder        (Folder         *folder,
  96                                  FolderItem     *item,
  97                                  const gchar    *name);
  98 gint    mh_remove_folder        (Folder         *folder,
  99                                  FolderItem     *item);
 100
 101 gchar   *mh_get_new_msg_filename                (FolderItem     *dest);
 102
 103 static MsgInfo *mh_parse_msg                    (const gchar    *file,
 104                                                  FolderItem     *item);
 105 static void     mh_scan_tree_recursive          (FolderItem     *item);
 106
 107 static gboolean mh_rename_folder_func           (GNode          *node,
 108                                                  gpointer        data);
 109
 110
 111 FolderClass mh_class =
 112 {
 113         F_MH,
 114         "mh",
 115
 116         NULL,
 117         NULL,
 118         mh_fetch_msg,
 119         mh_get_msginfo,
 120         NULL,
 121         mh_add_msg,
 122         mh_move_msg,
 123         mh_move_msgs_with_dest,
 124         mh_copy_msg,
 125         mh_copy_msgs_with_dest,
 126         mh_remove_msg,
 127         NULL,
 128         mh_remove_all_msg,
 129         mh_is_msg_changed,
 130         NULL,
 131         mh_get_num_list,
 132         mh_scan_tree,
 133         mh_create_tree,
 134         mh_create_folder,
 135         mh_rename_folder,
 136         mh_remove_folder,
 137         mh_folder_destroy,
 138         NULL,
 139         NULL,
 140         NULL,
 141         NULL,
 142         NULL,
 143 };
 144
 145 FolderClass *mh_get_class()
 146 {
 147         return &mh_class;
 148 }
 149
 150 Folder *mh_folder_new(const gchar *name, const gchar *path)
 151 {
 152         Folder *folder;
 153
 154         folder = (Folder *)g_new0(MHFolder, 1);
 155         folder->class = &mh_class;
 156         mh_folder_init(folder, name, path);
 157
 158         return folder;
 159 }
 160
 161 void mh_folder_destroy(Folder *folder)
 162 {
 163         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 164 }
 165
 166 static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 167 {
 168         folder_local_folder_init(folder, name, path);
 169
 170 }
 171
 172 void mh_get_last_num(Folder *folder, FolderItem *item)
 173 {
 174         gchar *path;
 175         DIR *dp;
 176         struct dirent *d;
 177         struct stat s;
 178         gint max = 0;
 179         gint num;
 180
 181         g_return_if_fail(item != NULL);
 182
 183         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 184
 185         path = folder_item_get_path(item);
 186         g_return_if_fail(path != NULL);
 187         if (change_dir(path) < 0) {
 188                 g_free(path);
 189                 return;
 190         }
 191         g_free(path);
 192
 193         if ((dp = opendir(".")) == NULL) {
 194                 FILE_OP_ERROR(item->path, "opendir");
 195                 return;
 196         }
 197
 198         while ((d = readdir(dp)) != NULL) {
 199                 if ((num = to_number(d->d_name)) >= 0 &&
 200                     stat(d->d_name, &s) == 0 &&
 201                     S_ISREG(s.st_mode)) {
 202                         if (max < num)
 203                                 max = num;
 204                 }
 205         }
 206         closedir(dp);
 207
 208         debug_print("Last number in dir %s = %d\n", item->path, max);
 209         item->last_num = max;
 210 }
 211
 212 gint mh_get_num_list(Folder *folder, FolderItem *item, GSList **list)
 213 {
 214
 215         gchar *path;
 216         DIR *dp;
 217         struct dirent *d;
 218         struct stat s;
 219         gint num, nummsgs = 0;
 220
 221         g_return_val_if_fail(item != NULL, -1);
 222
 223         debug_print("mh_get_last_num(): Scanning %s ...\n", item->path);
 224
 225         path = folder_item_get_path(item);
 226         g_return_val_if_fail(path != NULL, -1);
 227         if (change_dir(path) < 0) {
 228                 g_free(path);
 229                 return -1;
 230         }
 231         g_free(path);
 232
 233         if ((dp = opendir(".")) == NULL) {
 234                 FILE_OP_ERROR(item->path, "opendir");
 235                 return -1;
 236         }
 237
 238         while ((d = readdir(dp)) != NULL) {
 239                 if ((num = to_number(d->d_name)) >= 0 &&
 240                     stat(d->d_name, &s) == 0 &&
 241                     S_ISREG(s.st_mode)) {
 242                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 243                     nummsgs++;
 244                 }
 245         }
 246         closedir(dp);
 247
 248         return nummsgs;
 249 }
 250
 251 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 252 {
 253         gchar *path;
 254         gchar *file;
 255
 256         g_return_val_if_fail(item != NULL, NULL);
 257         g_return_val_if_fail(num > 0, NULL);
 258
 259         path = folder_item_get_path(item);
 260         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 261         g_free(path);
 262         if (!is_file_exist(file)) {
 263                 g_free(file);
 264                 return NULL;
 265         }
 266
 267         return file;
 268 }
 269
 270 MsgInfo *mh_get_msginfo(Folder *folder, FolderItem *item, gint num)
 271 {
 272         MsgInfo *msginfo;
 273         gchar *file;
 274
 275         g_return_val_if_fail(item != NULL, NULL);
 276         g_return_val_if_fail(num > 0, NULL);
 277
 278         file = mh_fetch_msg(folder, item, num);
 279         if (!file) return NULL;
 280
 281         msginfo = mh_parse_msg(file, item);
 282         if (msginfo)
 283                 msginfo->msgnum = num;
 284
 285         g_free(file);
 286
 287         return msginfo;
 288 }
 289
 290 gchar *mh_get_new_msg_filename(FolderItem *dest)
 291 {
 292         gchar *destfile;
 293         gchar *destpath;
 294
 295         destpath = folder_item_get_path(dest);
 296         g_return_val_if_fail(destpath != NULL, NULL);
 297
 298         if (!is_dir_exist(destpath))
 299                 make_dir_hier(destpath);
 300
 301         for (;;) {
 302                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 303                                            dest->last_num + 1);
 304                 if (is_file_entry_exist(destfile)) {
 305                         dest->last_num++;
 306                         g_free(destfile);
 307                 } else
 308                         break;
 309         }
 310
 311         g_free(destpath);
 312
 313         return destfile;
 314 }
 315
 316 #define SET_DEST_MSG_FLAGS(fp, dest, msginfo) \
 317 { \
 318         MsgInfo newmsginfo; \
 319  \
 320         newmsginfo.msgnum = dest->last_num; \
 321         newmsginfo.flags = msginfo->flags; \
 322         if (dest->stype == F_OUTBOX || \
 323             dest->stype == F_QUEUE  || \
 324             dest->stype == F_DRAFT  || \
 325             dest->stype == F_TRASH) \
 326                 MSG_UNSET_PERM_FLAGS(newmsginfo.flags, \
 327                                      MSG_NEW|MSG_UNREAD|MSG_DELETED); \
 328  \
 329         procmsg_write_flags(&newmsginfo, fp); \
 330 }
 331
 332 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 333                 gboolean remove_source)
 334 {
 335         gchar *destfile;
 336
 337         g_return_val_if_fail(dest != NULL, -1);
 338         g_return_val_if_fail(file != NULL, -1);
 339
 340         if (dest->last_num < 0) {
 341                 mh_get_last_num(folder, dest);
 342                 if (dest->last_num < 0) return -1;
 343         }
 344
 345         destfile = mh_get_new_msg_filename(dest);
 346         g_return_val_if_fail(destfile != NULL, -1);
 347
 348         if (link(file, destfile) < 0) {
 349                 if (copy_file(file, destfile, TRUE) < 0) {
 350                         g_warning("can't copy message %s to %s\n",
 351                                   file, destfile);
 352                         g_free(destfile);
 353                         return -1;
 354                 }
 355         }
 356
 357         if (remove_source) {
 358                 if (unlink(file) < 0)
 359                         FILE_OP_ERROR(file, "unlink");
 360         }
 361
 362         g_free(destfile);
 363         dest->last_num++;
 364         return dest->last_num;
 365 }
 366
 367 static gint mh_do_move(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 368 {
 369         gchar *srcfile;
 370         gchar *destfile;
 371         gint filemode = 0;
 372         PrefsFolderItem *prefs;
 373
 374         g_return_val_if_fail(dest != NULL, -1);
 375         g_return_val_if_fail(msginfo != NULL, -1);
 376
 377         if (msginfo->folder == dest) {
 378                 g_warning("the src folder is identical to the dest.\n");
 379                 return -1;
 380         }
 381
 382         if (dest->last_num < 0) {
 383                 mh_get_last_num(folder, dest);
 384                 if (dest->last_num < 0) return -1;
 385         }
 386
 387         prefs = dest->prefs;
 388
 389         destfile = mh_get_new_msg_filename(dest);
 390         if (!destfile) return -1;
 391
 392         srcfile = procmsg_get_message_file(msginfo);
 393
 394         debug_print("Moving message %s%c%d to %s ...\n",
 395                     msginfo->folder->path, G_DIR_SEPARATOR,
 396                     msginfo->msgnum, dest->path);
 397
 398         if (move_file(srcfile, destfile, FALSE) < 0) {
 399                 g_free(srcfile);
 400                 g_free(destfile);
 401                 return -1;
 402         }
 403
 404         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 405                 if (chmod(destfile, prefs->folder_chmod) < 0)
 406                         FILE_OP_ERROR(destfile, "chmod");
 407
 408                 /* for mark file */
 409                 filemode = prefs->folder_chmod;
 410                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 411                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 412         }
 413
 414         g_free(srcfile);
 415         g_free(destfile);
 416         dest->last_num++;
 417
 418         return dest->last_num;
 419 }
 420
 421 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 422 {
 423         gchar *srcfile;
 424         gint ret = 0;
 425
 426         g_return_val_if_fail(folder != NULL, -1);
 427         g_return_val_if_fail(dest != NULL, -1);
 428         g_return_val_if_fail(msginfo != NULL, -1);
 429         g_return_val_if_fail(msginfo->folder != NULL, -1);
 430
 431         if (folder == msginfo->folder->folder)
 432                 return mh_do_move(folder, dest, msginfo);
 433
 434         srcfile = procmsg_get_message_file(msginfo);
 435         if (!srcfile) return -1;
 436
 437         ret = mh_add_msg(folder, dest, srcfile, FALSE);
 438         g_free(srcfile);
 439
 440         if (ret != -1)
 441                 ret = folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 442
 443         return ret;
 444 }
 445
 446 static gint mh_do_move_msgs_with_dest(Folder *folder, FolderItem *dest,
 447                                       GSList *msglist)
 448 {
 449         gchar *srcfile;
 450         gchar *destfile;
 451         GSList *cur;
 452         MsgInfo *msginfo;
 453         PrefsFolderItem *prefs;
 454
 455         g_return_val_if_fail(dest != NULL, -1);
 456         g_return_val_if_fail(msglist != NULL, -1);
 457
 458         if (dest->last_num < 0) {
 459                 mh_get_last_num(folder, dest);
 460                 if (dest->last_num < 0) return -1;
 461         }
 462
 463         prefs = dest->prefs;
 464
 465         for (cur = msglist; cur != NULL; cur = cur->next) {
 466                 msginfo = (MsgInfo *)cur->data;
 467
 468                 if (msginfo->folder == dest) {
 469                         g_warning("the src folder is identical to the dest.\n");
 470                         continue;
 471                 }
 472                 debug_print("Moving message %s%c%d to %s ...\n",
 473                             msginfo->folder->path, G_DIR_SEPARATOR,
 474                             msginfo->msgnum, dest->path);
 475
 476                 destfile = mh_get_new_msg_filename(dest);
 477                 if (!destfile) return -1;
 478                 srcfile = procmsg_get_message_file(msginfo);
 479
 480                 if (move_file(srcfile, destfile, FALSE) < 0) {
 481                         g_free(srcfile);
 482                         g_free(destfile);
 483                         break;
 484                 }
 485
 486                 g_free(srcfile);
 487                 g_free(destfile);
 488                 dest->last_num++;
 489         }
 490
 491         return dest->last_num;
 492 }
 493
 494 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 495 {
 496         MsgInfo *msginfo;
 497         GSList *cur;
 498         gint ret = 0;
 499
 500         msginfo = (MsgInfo *)msglist->data;
 501         if (folder == msginfo->folder->folder)
 502                 return mh_do_move_msgs_with_dest(folder, dest, msglist);
 503
 504         for (cur = msglist; cur != NULL; cur = cur->next) {
 505                 msginfo = (MsgInfo *)cur->data;
 506                 ret = mh_move_msg(folder, dest, msginfo);
 507                 if (ret == -1) break;
 508         }
 509
 510         return ret;
 511 }
 512
 513 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 514 {
 515         gchar *srcfile;
 516         gchar *destfile;
 517         gint filemode = 0;
 518         PrefsFolderItem *prefs;
 519
 520         g_return_val_if_fail(dest != NULL, -1);
 521         g_return_val_if_fail(msginfo != NULL, -1);
 522
 523         if (msginfo->folder == dest) {
 524                 g_warning("the src folder is identical to the dest.\n");
 525                 return -1;
 526         }
 527
 528         if (dest->last_num < 0) {
 529                 mh_get_last_num(folder, dest);
 530                 if (dest->last_num < 0) return -1;
 531         }
 532
 533         prefs = dest->prefs;
 534
 535         srcfile = procmsg_get_message_file(msginfo);
 536         destfile = mh_get_new_msg_filename(dest);
 537         if (!destfile) {
 538                 g_free(srcfile);
 539                 return -1;
 540         }
 541
 542         debug_print("Copying message %s%c%d to %s ...\n",
 543                     msginfo->folder->path, G_DIR_SEPARATOR,
 544                     msginfo->msgnum, dest->path);
 545
 546
 547         if ((MSG_IS_QUEUED(msginfo->flags) || MSG_IS_DRAFT(msginfo->flags))
 548         &&  dest->stype != F_QUEUE && dest->stype != F_DRAFT) {
 549                 if (procmsg_remove_special_headers(srcfile, destfile) !=0) {
 550                         g_free(srcfile);
 551                         g_free(destfile);
 552                         return -1;
 553                 }
 554         } else if (copy_file(srcfile, destfile, TRUE) < 0) {
 555                 FILE_OP_ERROR(srcfile, "copy");
 556                 g_free(srcfile);
 557                 g_free(destfile);
 558                 return -1;
 559         }
 560
 561
 562         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 563                 if (chmod(destfile, prefs->folder_chmod) < 0)
 564                         FILE_OP_ERROR(destfile, "chmod");
 565
 566                 /* for mark file */
 567                 filemode = prefs->folder_chmod;
 568                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 569                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 570         }
 571
 572         g_free(srcfile);
 573         g_free(destfile);
 574         dest->last_num++;
 575
 576         return dest->last_num;
 577 }
 578
 579 /*
 580 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 581 {
 582         Folder * src_folder;
 583         gchar * filename;
 584         gint num;
 585         gchar * destdir;
 586         FILE * fp;
 587
 588         src_folder = msginfo->folder->folder;
 589
 590         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 591
 592         filename = src_folder->fetch_msg(src_folder,
 593                                          msginfo->folder,
 594                                          msginfo->msgnum);
 595         if (filename == NULL)
 596                 return -1;
 597
 598         num = folder->add_msg(folder, dest, filename, FALSE);
 599
 600         destdir = folder_item_get_path(dest);
 601
 602         if (fp) {
 603                 MsgInfo newmsginfo;
 604
 605                 newmsginfo.msgnum = dest->last_num;
 606                 newmsginfo.flags = msginfo->flags;
 607                 if (dest->stype == F_OUTBOX ||
 608                     dest->stype == F_QUEUE  ||
 609                     dest->stype == F_DRAFT  ||
 610                     dest->stype == F_TRASH)
 611                         MSG_UNSET_FLAGS(newmsginfo.flags,
 612                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 613
 614                 procmsg_write_flags(&newmsginfo, fp);
 615                 fclose(fp);
 616         }
 617
 618         return num;
 619 }
 620 */
 621
 622 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 623 {
 624         gchar *srcfile;
 625         gchar *destfile;
 626         GSList *cur;
 627         MsgInfo *msginfo;
 628
 629         g_return_val_if_fail(dest != NULL, -1);
 630         g_return_val_if_fail(msglist != NULL, -1);
 631
 632         if (dest->last_num < 0) {
 633                 mh_get_last_num(folder, dest);
 634                 if (dest->last_num < 0) return -1;
 635         }
 636
 637         for (cur = msglist; cur != NULL; cur = cur->next) {
 638                 msginfo = (MsgInfo *)cur->data;
 639
 640                 if (msginfo->folder == dest) {
 641                         g_warning("the src folder is identical to the dest.\n");
 642                         continue;
 643                 }
 644                 debug_print("Copying message %s%c%d to %s ...\n",
 645                             msginfo->folder->path, G_DIR_SEPARATOR,
 646                             msginfo->msgnum, dest->path);
 647
 648                 destfile = mh_get_new_msg_filename(dest);
 649                 if (!destfile) break;
 650                 srcfile = procmsg_get_message_file(msginfo);
 651
 652                 if (copy_file(srcfile, destfile, TRUE) < 0) {
 653                         FILE_OP_ERROR(srcfile, "copy");
 654                         g_free(srcfile);
 655                         g_free(destfile);
 656                         break;
 657                 }
 658
 659                 g_free(srcfile);
 660                 g_free(destfile);
 661                 dest->last_num++;
 662         }
 663
 664         return dest->last_num;
 665 }
 666
 667 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 668 {
 669         gchar *file;
 670
 671         g_return_val_if_fail(item != NULL, -1);
 672
 673         file = mh_fetch_msg(folder, item, num);
 674         g_return_val_if_fail(file != NULL, -1);
 675
 676         if (unlink(file) < 0) {
 677                 FILE_OP_ERROR(file, "unlink");
 678                 g_free(file);
 679                 return -1;
 680         }
 681
 682         g_free(file);
 683         return 0;
 684 }
 685
 686 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 687 {
 688         gchar *path;
 689         gint val;
 690
 691         g_return_val_if_fail(item != NULL, -1);
 692
 693         path = folder_item_get_path(item);
 694         g_return_val_if_fail(path != NULL, -1);
 695         val = remove_all_numbered_files(path);
 696         g_free(path);
 697
 698         return val;
 699 }
 700
 701 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 702 {
 703         struct stat s;
 704
 705         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 706             msginfo->size  != s.st_size ||
 707             msginfo->mtime != s.st_mtime)
 708                 return TRUE;
 709
 710         return FALSE;
 711 }
 712
 713 gint mh_scan_folder(Folder *folder, FolderItem *item)
 714 {
 715         gchar *path;
 716         DIR *dp;
 717         struct dirent *d;
 718         struct stat s;
 719         gint max = 0;
 720         gint num;
 721
 722         g_return_val_if_fail(item != NULL, -1);
 723
 724         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 725
 726         path = folder_item_get_path(item);
 727         g_return_val_if_fail(path != NULL, -1);
 728         if (change_dir(path) < 0) {
 729                 g_free(path);
 730                 return -1;
 731         }
 732         g_free(path);
 733
 734         if ((dp = opendir(".")) == NULL) {
 735                 FILE_OP_ERROR(item->path, "opendir");
 736                 return -1;
 737         }
 738
 739         if (folder->ui_func)
 740                 folder->ui_func(folder, item, folder->ui_func_data);
 741
 742         while ((d = readdir(dp)) != NULL) {
 743                 if ((num = to_number(d->d_name)) >= 0 &&
 744                     stat(d->d_name, &s) == 0 &&
 745                     S_ISREG(s.st_mode)) {
 746 /*
 747                         n_msg++;
 748 */
 749                         if (max < num)
 750                                 max = num;
 751                 }
 752         }
 753         closedir(dp);
 754
 755 /*
 756         if (n_msg == 0)
 757                 item->new = item->unread = item->total = 0;
 758         else {
 759                 gint new, unread, total, min, max;
 760
 761                 procmsg_get_mark_sum(".", &new, &unread, &total, &min, &max, 0);
 762                 if (n_msg > total) {
 763                         new += n_msg - total;
 764                         unread += n_msg - total;
 765                 }
 766                 item->new = new;
 767                 item->unread = unread;
 768                 item->total = n_msg;
 769         }
 770 */
 771         debug_print("Last number in dir %s = %d\n", item->path, max);
 772         item->last_num = max;
 773
 774         return 0;
 775 }
 776
 777 void mh_scan_tree(Folder *folder)
 778 {
 779         FolderItem *item;
 780         gchar *rootpath;
 781
 782         g_return_if_fail(folder != NULL);
 783
 784         item = folder_item_new(folder, folder->name, NULL);
 785         item->folder = folder;
 786         folder->node = g_node_new(item);
 787
 788         rootpath = folder_item_get_path(item);
 789         if (change_dir(rootpath) < 0) {
 790                 g_free(rootpath);
 791                 return;
 792         }
 793         g_free(rootpath);
 794
 795         mh_create_tree(folder);
 796         mh_scan_tree_recursive(item);
 797 }
 798
 799 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 800 { \
 801         if (!is_dir_exist(dir)) { \
 802                 if (is_file_exist(dir)) { \
 803                         g_warning("File `%s' already exists.\n" \
 804                                     "Can't create folder.", dir); \
 805                         return -1; \
 806                 } \
 807                 if (make_dir(dir) < 0) \
 808                         return -1; \
 809         } \
 810 }
 811
 812 gint mh_create_tree(Folder *folder)
 813 {
 814         gchar *rootpath;
 815
 816         g_return_val_if_fail(folder != NULL, -1);
 817
 818         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 819         rootpath = LOCAL_FOLDER(folder)->rootpath;
 820         MAKE_DIR_IF_NOT_EXIST(rootpath);
 821         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 822         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 823         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 824         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 825         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 826         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 827
 828         return 0;
 829 }
 830
 831 #undef MAKE_DIR_IF_NOT_EXIST
 832
 833 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 834                              const gchar *name)
 835 {
 836         gchar *path;
 837         gchar *fullpath;
 838         FolderItem *new_item;
 839         gchar *mh_sequences_filename;
 840         FILE *mh_sequences_file;
 841
 842         g_return_val_if_fail(folder != NULL, NULL);
 843         g_return_val_if_fail(parent != NULL, NULL);
 844         g_return_val_if_fail(name != NULL, NULL);
 845
 846         path = folder_item_get_path(parent);
 847         if (!is_dir_exist(path))
 848                 if (make_dir_hier(path) != 0)
 849                         return NULL;
 850
 851         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 852         g_free(path);
 853
 854         if (make_dir(fullpath) < 0) {
 855                 g_free(fullpath);
 856                 return NULL;
 857         }
 858
 859         g_free(fullpath);
 860
 861         if (parent->path)
 862                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 863                                    NULL);
 864         else
 865                 path = g_strdup(name);
 866         new_item = folder_item_new(folder, name, path);
 867         folder_item_append(parent, new_item);
 868
 869         g_free(path);
 870
 871         path = folder_item_get_path(new_item);
 872         mh_sequences_filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 873                                             ".mh_sequences", NULL);
 874         if ((mh_sequences_file = fopen(mh_sequences_filename, "a+b")) != NULL) {
 875                 fclose(mh_sequences_file);
 876         }
 877         g_free(mh_sequences_filename);
 878         g_free(path);
 879
 880         return new_item;
 881 }
 882
 883 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 884 {
 885         gchar *oldpath;
 886         gchar *dirname;
 887         gchar *newpath;
 888         GNode *node;
 889         gchar *paths[2];
 890
 891         g_return_val_if_fail(folder != NULL, -1);
 892         g_return_val_if_fail(item != NULL, -1);
 893         g_return_val_if_fail(item->path != NULL, -1);
 894         g_return_val_if_fail(name != NULL, -1);
 895
 896         oldpath = folder_item_get_path(item);
 897         if (!is_dir_exist(oldpath))
 898                 make_dir_hier(oldpath);
 899
 900         dirname = g_dirname(oldpath);
 901         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 902         g_free(dirname);
 903
 904         if (rename(oldpath, newpath) < 0) {
 905                 FILE_OP_ERROR(oldpath, "rename");
 906                 g_free(oldpath);
 907                 g_free(newpath);
 908                 return -1;
 909         }
 910
 911         g_free(oldpath);
 912         g_free(newpath);
 913
 914         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 915                 dirname = g_dirname(item->path);
 916                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 917                 g_free(dirname);
 918         } else
 919                 newpath = g_strdup(name);
 920
 921         g_free(item->name);
 922         item->name = g_strdup(name);
 923
 924         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 925                            item);
 926         paths[0] = g_strdup(item->path);
 927         paths[1] = newpath;
 928         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 929                         mh_rename_folder_func, paths);
 930
 931         g_free(paths[0]);
 932         g_free(paths[1]);
 933         return 0;
 934 }
 935
 936 gint mh_remove_folder(Folder *folder, FolderItem *item)
 937 {
 938         gchar *path;
 939
 940         g_return_val_if_fail(folder != NULL, -1);
 941         g_return_val_if_fail(item != NULL, -1);
 942         g_return_val_if_fail(item->path != NULL, -1);
 943
 944         path = folder_item_get_path(item);
 945         if (remove_dir_recursive(path) < 0) {
 946                 g_warning("can't remove directory `%s'\n", path);
 947                 g_free(path);
 948                 return -1;
 949         }
 950
 951         g_free(path);
 952         folder_item_remove(item);
 953         return 0;
 954 }
 955
 956 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 957 {
 958         struct stat s;
 959         MsgInfo *msginfo;
 960         MsgFlags flags;
 961
 962         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 963         flags.tmp_flags = 0;
 964
 965         g_return_val_if_fail(item != NULL, NULL);
 966         g_return_val_if_fail(file != NULL, NULL);
 967
 968         if (item->stype == F_QUEUE) {
 969                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 970         } else if (item->stype == F_DRAFT) {
 971                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 972         }
 973
 974         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
 975         if (!msginfo) return NULL;
 976
 977         msginfo->msgnum = atoi(file);
 978         msginfo->folder = item;
 979
 980         if (stat(file, &s) < 0) {
 981                 FILE_OP_ERROR(file, "stat");
 982                 msginfo->size = 0;
 983                 msginfo->mtime = 0;
 984         } else {
 985                 msginfo->size = s.st_size;
 986                 msginfo->mtime = s.st_mtime;
 987         }
 988
 989         return msginfo;
 990 }
 991
 992 #if 0
 993 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 994 {
 995         gchar *entry;
 996         gboolean result;
 997
 998         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 999         result = is_dir_exist(entry);
1000         g_free(entry);
1001
1002         return result;
1003 }
1004
1005 /*
1006  * check whether PATH is a Maildir style mailbox.
1007  * This is the case if the 3 subdir: new, cur, tmp are existing.
1008  * This functon assumes that entry is an directory
1009  */
1010 static gboolean mh_is_maildir(const gchar *path)
1011 {
1012         return mh_is_maildir_one(path, "new") &&
1013                mh_is_maildir_one(path, "cur") &&
1014                mh_is_maildir_one(path, "tmp");
1015 }
1016 #endif
1017
1018 static void mh_scan_tree_recursive(FolderItem *item)
1019 {
1020         DIR *dp;
1021         struct dirent *d;
1022         struct stat s;
1023         gchar *entry;
1024         gint n_msg = 0;
1025
1026         g_return_if_fail(item != NULL);
1027         g_return_if_fail(item->folder != NULL);
1028
1029         dp = opendir(item->path ? item->path : ".");
1030         if (!dp) {
1031                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1032                 return;
1033         }
1034
1035         debug_print("scanning %s ...\n",
1036                     item->path ? item->path
1037                     : LOCAL_FOLDER(item->folder)->rootpath);
1038         if (item->folder->ui_func)
1039                 item->folder->ui_func(item->folder, item,
1040                                       item->folder->ui_func_data);
1041
1042         while ((d = readdir(dp)) != NULL) {
1043                 if (d->d_name[0] == '.') continue;
1044
1045                 if (item->path)
1046                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1047                                             d->d_name, NULL);
1048                 else
1049                         entry = g_strdup(d->d_name);
1050
1051                 if (stat(entry, &s) < 0) {
1052                         FILE_OP_ERROR(entry, "stat");
1053                         g_free(entry);
1054                         continue;
1055                 }
1056
1057                 if (S_ISDIR(s.st_mode)) {
1058                         FolderItem *new_item;
1059
1060 #if 0
1061                         if (mh_is_maildir(entry)) {
1062                                 g_free(entry);
1063                                 continue;
1064                         }
1065 #endif
1066
1067                         new_item = folder_item_new(item->folder, d->d_name, entry);
1068                         folder_item_append(item, new_item);
1069                         if (!item->path) {
1070                                 if (!strcmp(d->d_name, INBOX_DIR)) {
1071                                         new_item->stype = F_INBOX;
1072                                         item->folder->inbox = new_item;
1073                                 } else if (!strcmp(d->d_name, OUTBOX_DIR)) {
1074                                         new_item->stype = F_OUTBOX;
1075                                         item->folder->outbox = new_item;
1076                                 } else if (!strcmp(d->d_name, DRAFT_DIR)) {
1077                                         new_item->stype = F_DRAFT;
1078                                         item->folder->draft = new_item;
1079                                 } else if (!strcmp(d->d_name, QUEUE_DIR)) {
1080                                         new_item->stype = F_QUEUE;
1081                                         item->folder->queue = new_item;
1082                                 } else if (!strcmp(d->d_name, TRASH_DIR)) {
1083                                         new_item->stype = F_TRASH;
1084                                         item->folder->trash = new_item;
1085                                 }
1086                         }
1087                         mh_scan_tree_recursive(new_item);
1088                 } else if (to_number(d->d_name) != -1) n_msg++;
1089
1090                 g_free(entry);
1091         }
1092
1093         closedir(dp);
1094
1095 /*
1096         if (item->path) {
1097                 gint new, unread, total, min, max;
1098
1099                 procmsg_get_mark_sum(item->path, &new, &unread, &total,
1100                                      &min, &max, 0);
1101                 if (n_msg > total) {
1102                         new += n_msg - total;
1103                         unread += n_msg - total;
1104                 }
1105                 item->new = new;
1106                 item->unread = unread;
1107                 item->total = n_msg;
1108         }
1109 */
1110 }
1111
1112 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1113 {
1114         FolderItem *item = node->data;
1115         gchar **paths = data;
1116         const gchar *oldpath = paths[0];
1117         const gchar *newpath = paths[1];
1118         gchar *base;
1119         gchar *new_itempath;
1120         gint oldpathlen;
1121
1122         oldpathlen = strlen(oldpath);
1123         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1124                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1125                 return TRUE;
1126         }
1127
1128         base = item->path + oldpathlen;
1129         while (*base == G_DIR_SEPARATOR) base++;
1130         if (*base == '\0')
1131                 new_itempath = g_strdup(newpath);
1132         else
1133                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1134                                            NULL);
1135         g_free(item->path);
1136         item->path = new_itempath;
1137
1138         return FALSE;
1139 }