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