src/mh.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 GSList  *mh_get_uncached_msgs            (GHashTable     *msg_table,
  47                                                  FolderItem     *item);
  48 static MsgInfo *mh_parse_msg                    (const gchar    *file,
  49                                                  FolderItem     *item);
  50 static void     mh_scan_tree_recursive          (FolderItem     *item);
  51
  52 static gboolean mh_rename_folder_func           (GNode          *node,
  53                                                  gpointer        data);
  54
  55
  56 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
  57 {
  58         GSList *mlist;
  59         GHashTable *msg_table;
  60         gchar *path;
  61         struct stat s;
  62         gboolean scan_new = TRUE;
  63 #ifdef MEASURE_TIME
  64         struct timeval tv_before, tv_after, tv_result;
  65
  66         gettimeofday(&tv_before, NULL);
  67 #endif
  68
  69         g_return_val_if_fail(item != NULL, NULL);
  70
  71         path = folder_item_get_path(item);
  72         if (stat(path, &s) < 0) {
  73                 FILE_OP_ERROR(path, "stat");
  74         } else {
  75                 if (item->mtime == s.st_mtime) {
  76                         debug_print("Folder is not modified.\n");
  77                         scan_new = FALSE;
  78                 } else
  79                         item->mtime = s.st_mtime;
  80         }
  81         g_free(path);
  82
  83         if (use_cache && !scan_new) {
  84                 mlist = procmsg_read_cache(item, FALSE);
  85                 if (!mlist)
  86                         mlist = mh_get_uncached_msgs(NULL, item);
  87         } else if (use_cache) {
  88                 GSList *newlist;
  89
  90                 mlist = procmsg_read_cache(item, TRUE);
  91                 msg_table = procmsg_msg_hash_table_create(mlist);
  92
  93                 newlist = mh_get_uncached_msgs(msg_table, item);
  94                 if (msg_table)
  95                         g_hash_table_destroy(msg_table);
  96
  97                 mlist = g_slist_concat(mlist, newlist);
  98         } else
  99                 mlist = mh_get_uncached_msgs(NULL, item);
 100
 101         procmsg_set_flags(mlist, item);
 102
 103 #ifdef MEASURE_TIME
 104         gettimeofday(&tv_after, NULL);
 105
 106         timersub(&tv_after, &tv_before, &tv_result);
 107         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 108                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 109 #endif
 110
 111         return mlist;
 112 }
 113
 114 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 115 {
 116         gchar *path;
 117         gchar *file;
 118
 119         g_return_val_if_fail(item != NULL, NULL);
 120         g_return_val_if_fail(num > 0 && num <= item->last_num, NULL);
 121
 122         path = folder_item_get_path(item);
 123         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 124         g_free(path);
 125         if (!is_file_exist(file)) {
 126                 g_free(file);
 127                 return NULL;
 128         }
 129
 130         return file;
 131 }
 132
 133 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 134                 gboolean remove_source)
 135 {
 136         gchar *destpath;
 137         gchar *destfile;
 138
 139         g_return_val_if_fail(dest != NULL, -1);
 140         g_return_val_if_fail(file != NULL, -1);
 141
 142         if (dest->last_num < 0) {
 143                 mh_scan_folder(folder, dest);
 144                 if (dest->last_num < 0) return -1;
 145         }
 146
 147         destpath = folder_item_get_path(dest);
 148         g_return_val_if_fail(destpath != NULL, -1);
 149         if (!is_dir_exist(destpath))
 150                 make_dir_hier(destpath);
 151
 152         destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 153                                    dest->last_num + 1);
 154
 155         if (link(file, destfile) < 0) {
 156                 if (copy_file(file, destfile) < 0) {
 157                         g_warning(_("can't copy message %s to %s\n"),
 158                                   file, destfile);
 159                         g_free(destfile);
 160                         return -1;
 161                 }
 162         }
 163
 164         if (remove_source) {
 165                 if (unlink(file) < 0)
 166                         FILE_OP_ERROR(file, "unlink");
 167         }
 168
 169         g_free(destfile);
 170         dest->last_num++;
 171         return dest->last_num;
 172 }
 173
 174 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 175 {
 176         gchar *destdir;
 177         gchar *srcfile;
 178         gchar *destfile;
 179         FILE *fp;
 180         gint filemode = 0;
 181         PrefsFolderItem *prefs;
 182
 183         g_return_val_if_fail(dest != NULL, -1);
 184         g_return_val_if_fail(msginfo != NULL, -1);
 185
 186         if (msginfo->folder == dest) {
 187                 g_warning(_("the src folder is identical to the dest.\n"));
 188                 return -1;
 189         }
 190
 191         if (dest->last_num < 0) {
 192                 mh_scan_folder(folder, dest);
 193                 if (dest->last_num < 0) return -1;
 194         }
 195
 196         prefs = dest->prefs;
 197
 198         destdir = folder_item_get_path(dest);
 199         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 200                 g_warning(_("Can't open mark file.\n"));
 201
 202         debug_print(_("Moving message %s%c%d to %s ...\n"),
 203                     msginfo->folder->path, G_DIR_SEPARATOR,
 204                     msginfo->msgnum, dest->path);
 205         srcfile = procmsg_get_message_file_path(msginfo);
 206         destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 207                                    dest->last_num + 1);
 208         g_free(destdir);
 209
 210         if (move_file(srcfile, destfile) < 0) {
 211                 g_free(srcfile);
 212                 g_free(destfile);
 213                 if (fp) fclose(fp);
 214                 return -1;
 215         }
 216
 217         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 218                 if (chmod(destfile, prefs->folder_chmod) < 0)
 219                         FILE_OP_ERROR(destfile, "chmod");
 220
 221                 /* for mark file */
 222                 filemode = prefs->folder_chmod;
 223                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 224                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 225         }
 226
 227         g_free(srcfile);
 228         g_free(destfile);
 229         dest->last_num++;
 230
 231         if (fp) {
 232                 MsgInfo newmsginfo;
 233
 234                 newmsginfo.msgnum = dest->last_num;
 235                 newmsginfo.flags = msginfo->flags;
 236                 if (dest->stype == F_OUTBOX ||
 237                     dest->stype == F_QUEUE  ||
 238                     dest->stype == F_DRAFT  ||
 239                     dest->stype == F_TRASH)
 240                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 241                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 242
 243                 procmsg_write_flags(&newmsginfo, fp);
 244
 245                 if (filemode) {
 246 #if HAVE_FCHMOD
 247                         fchmod(fileno(fp), filemode);
 248 #else
 249                         gchar *markfile;
 250
 251                         markfile = folder_item_get_mark_file(dest);
 252                         if (markfile) {
 253                                 chmod(markfile, filemode);
 254                                 g_free(markfile);
 255                         }
 256 #endif
 257                 }
 258
 259                 fclose(fp);
 260         }
 261
 262         return dest->last_num;
 263 }
 264
 265 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 266 {
 267         gchar *destdir;
 268         gchar *srcfile;
 269         gchar *destfile;
 270         FILE *fp;
 271         GSList *cur;
 272         MsgInfo *msginfo;
 273         PrefsFolderItem *prefs;
 274
 275         g_return_val_if_fail(dest != NULL, -1);
 276         g_return_val_if_fail(msglist != NULL, -1);
 277
 278         if (dest->last_num < 0) {
 279                 mh_scan_folder(folder, dest);
 280                 if (dest->last_num < 0) return -1;
 281         }
 282
 283         prefs = dest->prefs;
 284
 285         destdir = folder_item_get_path(dest);
 286         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 287                 g_warning(_("Can't open mark file.\n"));
 288
 289         for (cur = msglist; cur != NULL; cur = cur->next) {
 290                 msginfo = (MsgInfo *)cur->data;
 291
 292                 if (msginfo->folder == dest) {
 293                         g_warning(_("the src folder is identical to the dest.\n"));
 294                         continue;
 295                 }
 296                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 297                             msginfo->folder->path, G_DIR_SEPARATOR,
 298                             msginfo->msgnum, dest->path);
 299
 300                 srcfile = procmsg_get_message_file_path(msginfo);
 301                 destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 302                                            dest->last_num + 1);
 303
 304                 if (move_file(srcfile, destfile) < 0) {
 305                         g_free(srcfile);
 306                         g_free(destfile);
 307                         break;
 308                 }
 309
 310                 g_free(srcfile);
 311                 g_free(destfile);
 312                 dest->last_num++;
 313
 314                 if (fp) {
 315                         MsgInfo newmsginfo;
 316
 317                         newmsginfo.msgnum = dest->last_num;
 318                         newmsginfo.flags = msginfo->flags;
 319                         if (dest->stype == F_OUTBOX ||
 320                             dest->stype == F_QUEUE  ||
 321                             dest->stype == F_DRAFT  ||
 322                             dest->stype == F_TRASH)
 323                                 MSG_UNSET_PERM_FLAGS
 324                                         (newmsginfo.flags,
 325                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 326
 327                         procmsg_write_flags(&newmsginfo, fp);
 328                 }
 329         }
 330
 331         g_free(destdir);
 332         if (fp) fclose(fp);
 333
 334         return dest->last_num;
 335 }
 336
 337 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 338 {
 339         gchar *destdir;
 340         gchar *srcfile;
 341         gchar *destfile;
 342         FILE *fp;
 343         gint filemode = 0;
 344         PrefsFolderItem *prefs;
 345
 346         g_return_val_if_fail(dest != NULL, -1);
 347         g_return_val_if_fail(msginfo != NULL, -1);
 348
 349         if (msginfo->folder == dest) {
 350                 g_warning(_("the src folder is identical to the dest.\n"));
 351                 return -1;
 352         }
 353
 354         if (dest->last_num < 0) {
 355                 mh_scan_folder(folder, dest);
 356                 if (dest->last_num < 0) return -1;
 357         }
 358
 359         prefs = dest->prefs;
 360
 361         destdir = folder_item_get_path(dest);
 362         if (!is_dir_exist(destdir))
 363                 make_dir_hier(destdir);
 364
 365         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 366                 g_warning(_("Can't open mark file.\n"));
 367
 368         debug_print(_("Copying message %s%c%d to %s ...\n"),
 369                     msginfo->folder->path, G_DIR_SEPARATOR,
 370                     msginfo->msgnum, dest->path);
 371         srcfile = procmsg_get_message_file_path(msginfo);
 372         destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 373                                    dest->last_num + 1);
 374         g_free(destdir);
 375
 376         dest->op_count--;
 377
 378         if (is_file_exist(destfile)) {
 379                 g_warning(_("%s already exists."), destfile);
 380                 g_free(srcfile);
 381                 g_free(destfile);
 382                 if (fp) fclose(fp);
 383                 return -1;
 384         }
 385
 386         if (copy_file(srcfile, destfile) < 0) {
 387                 FILE_OP_ERROR(srcfile, "copy");
 388                 g_free(srcfile);
 389                 g_free(destfile);
 390                 if (fp) fclose(fp);
 391                 return -1;
 392         }
 393
 394         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 395                 if (chmod(destfile, prefs->folder_chmod) < 0)
 396                         FILE_OP_ERROR(destfile, "chmod");
 397
 398                 /* for mark file */
 399                 filemode = prefs->folder_chmod;
 400                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 401                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 402         }
 403
 404         g_free(srcfile);
 405         g_free(destfile);
 406         dest->last_num++;
 407
 408         if (fp) {
 409                 MsgInfo newmsginfo;
 410
 411                 newmsginfo.msgnum = dest->last_num;
 412                 newmsginfo.flags = msginfo->flags;
 413                 if (dest->stype == F_OUTBOX ||
 414                     dest->stype == F_QUEUE  ||
 415                     dest->stype == F_DRAFT  ||
 416                     dest->stype == F_TRASH)
 417                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 418                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 419                 procmsg_write_flags(&newmsginfo, fp);
 420
 421                 if (filemode) {
 422 #if HAVE_FCHMOD
 423                         fchmod(fileno(fp), filemode);
 424 #else
 425                         gchar *markfile;
 426
 427                         markfile = folder_item_get_mark_file(dest);
 428                         if (markfile) {
 429                                 chmod(markfile, filemode);
 430                                 g_free(markfile);
 431                         }
 432 #endif
 433                 }
 434
 435                 fclose(fp);
 436         }
 437
 438         return dest->last_num;
 439 }
 440
 441 /*
 442 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 443 {
 444         Folder * src_folder;
 445         gchar * filename;
 446         gint num;
 447         gchar * destdir;
 448         FILE * fp;
 449
 450         src_folder = msginfo->folder->folder;
 451
 452         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 453
 454         filename = src_folder->fetch_msg(src_folder,
 455                                          msginfo->folder,
 456                                          msginfo->msgnum);
 457         if (filename == NULL)
 458                 return -1;
 459
 460         num = folder->add_msg(folder, dest, filename, FALSE);
 461
 462         destdir = folder_item_get_path(dest);
 463         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 464                 g_warning(_("Can't open mark file.\n"));
 465
 466         if (fp) {
 467                 MsgInfo newmsginfo;
 468
 469                 newmsginfo.msgnum = dest->last_num;
 470                 newmsginfo.flags = msginfo->flags;
 471                 if (dest->stype == F_OUTBOX ||
 472                     dest->stype == F_QUEUE  ||
 473                     dest->stype == F_DRAFT  ||
 474                     dest->stype == F_TRASH)
 475                         MSG_UNSET_FLAGS(newmsginfo.flags,
 476                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 477
 478                 procmsg_write_flags(&newmsginfo, fp);
 479                 fclose(fp);
 480         }
 481
 482         return num;
 483 }
 484 */
 485
 486 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 487 {
 488         gchar *destdir;
 489         gchar *srcfile;
 490         gchar *destfile;
 491         FILE *fp;
 492         GSList *cur;
 493         MsgInfo *msginfo;
 494
 495         g_return_val_if_fail(dest != NULL, -1);
 496         g_return_val_if_fail(msglist != NULL, -1);
 497
 498         if (dest->last_num < 0) {
 499                 mh_scan_folder(folder, dest);
 500                 if (dest->last_num < 0) return -1;
 501         }
 502
 503         destdir = folder_item_get_path(dest);
 504         if (!is_dir_exist(destdir))
 505                 make_dir_hier(destdir);
 506
 507         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 508                 g_warning(_("Can't open mark file.\n"));
 509
 510         for (cur = msglist; cur != NULL; cur = cur->next) {
 511                 msginfo = (MsgInfo *)cur->data;
 512
 513                 if (msginfo->folder == dest) {
 514                         g_warning(_("the src folder is identical to the dest.\n"));
 515                         continue;
 516                 }
 517                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 518                             msginfo->folder->path, G_DIR_SEPARATOR,
 519                             msginfo->msgnum, dest->path);
 520
 521                 srcfile = procmsg_get_message_file_path(msginfo);
 522                 destfile = g_strdup_printf("%s%c%d", destdir, G_DIR_SEPARATOR,
 523                                            dest->last_num + 1);
 524
 525                 if (is_file_exist(destfile)) {
 526                         g_warning(_("%s already exists."), destfile);
 527                         g_free(srcfile);
 528                         g_free(destfile);
 529                         break;
 530                 }
 531
 532                 if (copy_file(srcfile, destfile) < 0) {
 533                         FILE_OP_ERROR(srcfile, "copy");
 534                         g_free(srcfile);
 535                         g_free(destfile);
 536                         break;
 537                 }
 538
 539                 g_free(srcfile);
 540                 g_free(destfile);
 541                 dest->last_num++;
 542
 543                 if (fp) {
 544                         MsgInfo newmsginfo;
 545
 546                         newmsginfo.msgnum = dest->last_num;
 547                         newmsginfo.flags = msginfo->flags;
 548                         if (dest->stype == F_OUTBOX ||
 549                             dest->stype == F_QUEUE  ||
 550                             dest->stype == F_DRAFT  ||
 551                             dest->stype == F_TRASH)
 552                                 MSG_UNSET_PERM_FLAGS
 553                                         (newmsginfo.flags,
 554                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 555                         procmsg_write_flags(&newmsginfo, fp);
 556                 }
 557         }
 558
 559         g_free(destdir);
 560         if (fp) fclose(fp);
 561
 562         return dest->last_num;
 563 }
 564
 565 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 566 {
 567         gchar *file;
 568
 569         g_return_val_if_fail(item != NULL, -1);
 570
 571         file = mh_fetch_msg(folder, item, num);
 572         g_return_val_if_fail(file != NULL, -1);
 573
 574         if (unlink(file) < 0) {
 575                 FILE_OP_ERROR(file, "unlink");
 576                 g_free(file);
 577                 return -1;
 578         }
 579
 580         g_free(file);
 581         return 0;
 582 }
 583
 584 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 585 {
 586         gchar *path;
 587         gint val;
 588
 589         g_return_val_if_fail(item != NULL, -1);
 590
 591         path = folder_item_get_path(item);
 592         g_return_val_if_fail(path != NULL, -1);
 593         val = remove_all_numbered_files(path);
 594         g_free(path);
 595
 596         return val;
 597 }
 598
 599 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 600 {
 601         struct stat s;
 602
 603         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 604             msginfo->size  != s.st_size ||
 605             msginfo->mtime != s.st_mtime)
 606                 return TRUE;
 607
 608         return FALSE;
 609 }
 610
 611 void mh_scan_folder(Folder *folder, FolderItem *item)
 612 {
 613         gchar *path;
 614         DIR *dp;
 615         struct dirent *d;
 616         struct stat s;
 617         gint max = 0;
 618         gint num;
 619         gint n_msg = 0;
 620
 621         g_return_if_fail(item != NULL);
 622
 623         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 624
 625         path = folder_item_get_path(item);
 626         g_return_if_fail(path != NULL);
 627         if (change_dir(path) < 0) {
 628                 g_free(path);
 629                 return;
 630         }
 631         g_free(path);
 632
 633         if ((dp = opendir(".")) == NULL) {
 634                 FILE_OP_ERROR(item->path, "opendir");
 635                 return;
 636         }
 637
 638         if (folder->ui_func)
 639                 folder->ui_func(folder, item, folder->ui_func_data);
 640
 641         while ((d = readdir(dp)) != NULL) {
 642                 if ((num = to_number(d->d_name)) >= 0 &&
 643                     stat(d->d_name, &s) == 0 &&
 644                     S_ISREG(s.st_mode)) {
 645                         n_msg++;
 646                         if (max < num)
 647                                 max = num;
 648                 }
 649         }
 650
 651         closedir(dp);
 652
 653         if (n_msg == 0)
 654                 item->new = item->unread = item->total = 0;
 655         else {
 656                 gint new, unread, total;
 657
 658                 procmsg_get_mark_sum(".", &new, &unread, &total);
 659                 if (n_msg > total) {
 660                         new += n_msg - total;
 661                         unread += n_msg - total;
 662                 }
 663                 item->new = new;
 664                 item->unread = unread;
 665                 item->total = n_msg;
 666         }
 667
 668         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 669         item->last_num = max;
 670 }
 671
 672 void mh_scan_tree(Folder *folder)
 673 {
 674         FolderItem *item;
 675         gchar *rootpath;
 676
 677         g_return_if_fail(folder != NULL);
 678
 679         folder_tree_destroy(folder);
 680         item = folder_item_new(folder->name, NULL);
 681         item->folder = folder;
 682         folder->node = g_node_new(item);
 683
 684         rootpath = folder_item_get_path(item);
 685         if (change_dir(rootpath) < 0) {
 686                 g_free(rootpath);
 687                 return;
 688         }
 689         g_free(rootpath);
 690
 691         mh_scan_tree_recursive(item);
 692 }
 693
 694 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 695 { \
 696         if (!is_dir_exist(dir)) { \
 697                 if (is_file_exist(dir)) { \
 698                         g_warning(_("File `%s' already exists.\n" \
 699                                     "Can't create folder."), dir); \
 700                         return -1; \
 701                 } \
 702                 if (mkdir(dir, S_IRWXU) < 0) { \
 703                         FILE_OP_ERROR(dir, "mkdir"); \
 704                         return -1; \
 705                 } \
 706                 if (chmod(dir, S_IRWXU) < 0) \
 707                         FILE_OP_ERROR(dir, "chmod"); \
 708         } \
 709 }
 710
 711 gint mh_create_tree(Folder *folder)
 712 {
 713         gchar *rootpath;
 714
 715         g_return_val_if_fail(folder != NULL, -1);
 716
 717         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 718         rootpath = LOCAL_FOLDER(folder)->rootpath;
 719         MAKE_DIR_IF_NOT_EXIST(rootpath);
 720         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 721         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 722         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 723         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 724         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 725         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 726
 727         return 0;
 728 }
 729
 730 #undef MAKE_DIR_IF_NOT_EXIST
 731
 732 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 733                              const gchar *name)
 734 {
 735         gchar *path;
 736         gchar *fullpath;
 737         FolderItem *new_item;
 738
 739         g_return_val_if_fail(folder != NULL, NULL);
 740         g_return_val_if_fail(parent != NULL, NULL);
 741         g_return_val_if_fail(name != NULL, NULL);
 742
 743         path = folder_item_get_path(parent);
 744         if (!is_dir_exist(path))
 745                 make_dir_hier(path);
 746
 747         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 748         g_free(path);
 749
 750         if (mkdir(fullpath, S_IRWXU) < 0) {
 751                 FILE_OP_ERROR(fullpath, "mkdir");
 752                 g_free(fullpath);
 753                 return NULL;
 754         }
 755         if (chmod(fullpath, S_IRWXU) < 0)
 756                 FILE_OP_ERROR(fullpath, "chmod");
 757
 758         g_free(fullpath);
 759
 760         if (parent->path)
 761                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 762                                    NULL);
 763         else
 764                 path = g_strdup(name);
 765         new_item = folder_item_new(name, path);
 766         folder_item_append(parent, new_item);
 767         g_free(path);
 768
 769         return new_item;
 770 }
 771
 772 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 773 {
 774         gchar *oldpath;
 775         gchar *dirname;
 776         gchar *newpath;
 777         GNode *node;
 778         gchar *paths[2];
 779
 780         g_return_val_if_fail(folder != NULL, -1);
 781         g_return_val_if_fail(item != NULL, -1);
 782         g_return_val_if_fail(item->path != NULL, -1);
 783         g_return_val_if_fail(name != NULL, -1);
 784
 785         oldpath = folder_item_get_path(item);
 786         if (!is_dir_exist(oldpath))
 787                 make_dir_hier(oldpath);
 788
 789         dirname = g_dirname(oldpath);
 790         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 791         g_free(dirname);
 792
 793         if (rename(oldpath, newpath) < 0) {
 794                 FILE_OP_ERROR(oldpath, "rename");
 795                 g_free(oldpath);
 796                 g_free(newpath);
 797                 return -1;
 798         }
 799
 800         g_free(oldpath);
 801         g_free(newpath);
 802
 803         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 804                 dirname = g_dirname(item->path);
 805                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 806                 g_free(dirname);
 807         } else
 808                 newpath = g_strdup(name);
 809
 810         g_free(item->name);
 811         item->name = g_strdup(name);
 812
 813         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 814                            item);
 815         paths[0] = g_strdup(item->path);
 816         paths[1] = newpath;
 817         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 818                         mh_rename_folder_func, paths);
 819
 820         g_free(paths[0]);
 821         g_free(paths[1]);
 822         return 0;
 823 }
 824
 825 gint mh_remove_folder(Folder *folder, FolderItem *item)
 826 {
 827         gchar *path;
 828
 829         g_return_val_if_fail(folder != NULL, -1);
 830         g_return_val_if_fail(item != NULL, -1);
 831         g_return_val_if_fail(item->path != NULL, -1);
 832
 833         path = folder_item_get_path(item);
 834         if (remove_dir_recursive(path) < 0) {
 835                 g_warning("can't remove directory `%s'\n", path);
 836                 g_free(path);
 837                 return -1;
 838         }
 839
 840         g_free(path);
 841         folder_item_remove(item);
 842         return 0;
 843 }
 844
 845
 846 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
 847 {
 848         gchar *path;
 849         DIR *dp;
 850         struct dirent *d;
 851         struct stat s;
 852         GSList *newlist = NULL;
 853         GSList *last = NULL;
 854         MsgInfo *msginfo;
 855         gint n_newmsg = 0;
 856         gint num;
 857
 858         g_return_val_if_fail(item != NULL, NULL);
 859
 860         path = folder_item_get_path(item);
 861         g_return_val_if_fail(path != NULL, NULL);
 862         if (change_dir(path) < 0) {
 863                 g_free(path);
 864                 return NULL;
 865         }
 866         g_free(path);
 867
 868         if ((dp = opendir(".")) == NULL) {
 869                 FILE_OP_ERROR(item->path, "opendir");
 870                 return NULL;
 871         }
 872
 873         debug_print(_("\tSearching uncached messages... "));
 874
 875         if (msg_table) {
 876                 while ((d = readdir(dp)) != NULL) {
 877                         if ((num = to_number(d->d_name)) < 0) continue;
 878                         if (stat(d->d_name, &s) < 0) {
 879                                 FILE_OP_ERROR(d->d_name, "stat");
 880                                 continue;
 881                         }
 882                         if (!S_ISREG(s.st_mode)) continue;
 883
 884                         msginfo = g_hash_table_lookup
 885                                 (msg_table, GUINT_TO_POINTER(num));
 886
 887                         if (!msginfo) {
 888                                 /* not found in the cache (uncached message) */
 889                                 msginfo = mh_parse_msg(d->d_name, item);
 890                                 if (!msginfo) continue;
 891
 892                                 if (!newlist)
 893                                         last = newlist =
 894                                                 g_slist_append(NULL, msginfo);
 895                                 else {
 896                                         last = g_slist_append(last, msginfo);
 897                                         last = last->next;
 898                                 }
 899                                 n_newmsg++;
 900                         }
 901                 }
 902         } else {
 903                 /* discard all previous cache */
 904                 while ((d = readdir(dp)) != NULL) {
 905                         if (to_number(d->d_name) < 0) continue;
 906                         if (stat(d->d_name, &s) < 0) {
 907                                 FILE_OP_ERROR(d->d_name, "stat");
 908                                 continue;
 909                         }
 910                         if (!S_ISREG(s.st_mode)) continue;
 911
 912                         msginfo = mh_parse_msg(d->d_name, item);
 913                         if (!msginfo) continue;
 914
 915                         if (!newlist)
 916                                 last = newlist = g_slist_append(NULL, msginfo);
 917                         else {
 918                                 last = g_slist_append(last, msginfo);
 919                                 last = last->next;
 920                         }
 921                         n_newmsg++;
 922                 }
 923         }
 924
 925         closedir(dp);
 926
 927         if (n_newmsg)
 928                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
 929         else
 930                 debug_print(_("done.\n"));
 931
 932         /* sort new messages in numerical order */
 933         if (newlist) {
 934                 debug_print(_("\tSorting uncached messages in numerical order... "));
 935                 newlist = g_slist_sort
 936                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
 937                 debug_print(_("done.\n"));
 938         }
 939
 940         return newlist;
 941 }
 942
 943 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 944 {
 945         struct stat s;
 946         MsgInfo *msginfo;
 947         MsgFlags flags;
 948
 949         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 950         flags.tmp_flags = 0;
 951
 952         g_return_val_if_fail(item != NULL, NULL);
 953         g_return_val_if_fail(file != NULL, NULL);
 954
 955         if (item->stype == F_QUEUE) {
 956                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 957         } else if (item->stype == F_DRAFT) {
 958                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 959         }
 960
 961         msginfo = procheader_parse(file, flags, FALSE);
 962         if (!msginfo) return NULL;
 963
 964         msginfo->msgnum = atoi(file);
 965         msginfo->folder = item;
 966
 967         if (stat(file, &s) < 0) {
 968                 FILE_OP_ERROR(file, "stat");
 969                 msginfo->size = 0;
 970                 msginfo->mtime = 0;
 971         } else {
 972                 msginfo->size = s.st_size;
 973                 msginfo->mtime = s.st_mtime;
 974         }
 975
 976         return msginfo;
 977 }
 978
 979 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
 980 {
 981         gchar *entry;
 982         gboolean result;
 983
 984         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
 985         result = is_dir_exist(entry);
 986         g_free(entry);
 987
 988         return result;
 989 }
 990
 991 /*
 992  * check whether PATH is a Maildir style mailbox.
 993  * This is the case if the 3 subdir: new, cur, tmp are existing.
 994  * This functon assumes that entry is an directory
 995  */
 996 static gboolean mh_is_maildir(const gchar *path)
 997 {
 998         return mh_is_maildir_one(path, "new") &&
 999                mh_is_maildir_one(path, "cur") &&
1000                mh_is_maildir_one(path, "tmp");
1001 }
1002
1003 static void mh_scan_tree_recursive(FolderItem *item)
1004 {
1005         DIR *dp;
1006         struct dirent *d;
1007         struct stat s;
1008         gchar *entry;
1009         gint n_msg = 0;
1010
1011         g_return_if_fail(item != NULL);
1012         g_return_if_fail(item->folder != NULL);
1013
1014         dp = opendir(item->path ? item->path : ".");
1015         if (!dp) {
1016                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1017                 return;
1018         }
1019
1020         debug_print("scanning %s ...\n",
1021                     item->path ? item->path
1022                     : LOCAL_FOLDER(item->folder)->rootpath);
1023         if (item->folder->ui_func)
1024                 item->folder->ui_func(item->folder, item,
1025                                       item->folder->ui_func_data);
1026
1027         while ((d = readdir(dp)) != NULL) {
1028                 if (d->d_name[0] == '.') continue;
1029
1030                 if (item->path)
1031                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1032                                             d->d_name, NULL);
1033                 else
1034                         entry = g_strdup(d->d_name);
1035
1036                 if (stat(entry, &s) < 0) {
1037                         FILE_OP_ERROR(entry, "stat");
1038                         g_free(entry);
1039                         continue;
1040                 }
1041
1042                 if (S_ISDIR(s.st_mode)) {
1043                         FolderItem *new_item;
1044
1045                         if (mh_is_maildir(entry)) {
1046                                 g_free(entry);
1047                                 continue;
1048                         }
1049
1050                         new_item = folder_item_new(d->d_name, entry);
1051                         folder_item_append(item, new_item);
1052                         if (!item->path) {
1053                                 if (!strcmp(d->d_name, "inbox")) {
1054                                         new_item->stype = F_INBOX;
1055                                         item->folder->inbox = new_item;
1056                                 } else if (!strcmp(d->d_name, "outbox")) {
1057                                         new_item->stype = F_OUTBOX;
1058                                         item->folder->outbox = new_item;
1059                                 } else if (!strcmp(d->d_name, "draft")) {
1060                                         new_item->stype = F_DRAFT;
1061                                         item->folder->draft = new_item;
1062                                 } else if (!strcmp(d->d_name, "queue")) {
1063                                         new_item->stype = F_QUEUE;
1064                                         item->folder->queue = new_item;
1065                                 } else if (!strcmp(d->d_name, "trash")) {
1066                                         new_item->stype = F_TRASH;
1067                                         item->folder->trash = new_item;
1068                                 }
1069                         }
1070                         mh_scan_tree_recursive(new_item);
1071                 } else if (to_number(d->d_name) != -1) n_msg++;
1072
1073                 g_free(entry);
1074         }
1075
1076         closedir(dp);
1077
1078         if (item->path) {
1079                 gint new, unread, total;
1080
1081                 procmsg_get_mark_sum(item->path, &new, &unread, &total);
1082                 if (n_msg > total) {
1083                         new += n_msg - total;
1084                         unread += n_msg - total;
1085                 }
1086                 item->new = new;
1087                 item->unread = unread;
1088                 item->total = n_msg;
1089         }
1090 }
1091
1092 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1093 {
1094         FolderItem *item = node->data;
1095         gchar **paths = data;
1096         const gchar *oldpath = paths[0];
1097         const gchar *newpath = paths[1];
1098         gchar *base;
1099         gchar *new_itempath;
1100         gint oldpathlen;
1101
1102         oldpathlen = strlen(oldpath);
1103         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1104                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1105                 return TRUE;
1106         }
1107
1108         base = item->path + oldpathlen;
1109         while (*base == G_DIR_SEPARATOR) base++;
1110         if (*base == '\0')
1111                 new_itempath = g_strdup(newpath);
1112         else
1113                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1114                                            NULL);
1115         g_free(item->path);
1116         item->path = new_itempath;
1117
1118         return FALSE;
1119 }