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                                                  GHashTable *pptable);
  52
  53 static gboolean mh_rename_folder_func           (GNode          *node,
  54                                                  gpointer        data);
  55
  56
  57 GSList *mh_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
  58 {
  59         GSList *mlist;
  60         GHashTable *msg_table;
  61         gchar *path;
  62         struct stat s;
  63         gboolean scan_new = TRUE;
  64 #ifdef MEASURE_TIME
  65         struct timeval tv_before, tv_after, tv_result;
  66
  67         gettimeofday(&tv_before, NULL);
  68 #endif
  69
  70         g_return_val_if_fail(item != NULL, NULL);
  71
  72         path = folder_item_get_path(item);
  73         if (stat(path, &s) < 0) {
  74                 FILE_OP_ERROR(path, "stat");
  75         } else {
  76                 if (item->mtime == s.st_mtime) {
  77                         debug_print("Folder is not modified.\n");
  78                         scan_new = FALSE;
  79                 } else
  80                         item->mtime = s.st_mtime;
  81         }
  82         g_free(path);
  83
  84         if (use_cache && !scan_new) {
  85                 mlist = procmsg_read_cache(item, FALSE);
  86                 if (!mlist)
  87                         mlist = mh_get_uncached_msgs(NULL, item);
  88         } else if (use_cache) {
  89                 GSList *newlist;
  90
  91                 mlist = procmsg_read_cache(item, TRUE);
  92                 msg_table = procmsg_msg_hash_table_create(mlist);
  93
  94                 newlist = mh_get_uncached_msgs(msg_table, item);
  95                 if (msg_table)
  96                         g_hash_table_destroy(msg_table);
  97
  98                 mlist = g_slist_concat(mlist, newlist);
  99         } else
 100                 mlist = mh_get_uncached_msgs(NULL, item);
 101
 102         procmsg_set_flags(mlist, item);
 103
 104 #ifdef MEASURE_TIME
 105         gettimeofday(&tv_after, NULL);
 106
 107         timersub(&tv_after, &tv_before, &tv_result);
 108         g_print("mh_get_msg_list: %s: elapsed time: %ld.%06ld sec\n",
 109                 item->path, tv_result.tv_sec, tv_result.tv_usec);
 110 #endif
 111
 112         return mlist;
 113 }
 114
 115 gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 116 {
 117         gchar *path;
 118         gchar *file;
 119
 120         g_return_val_if_fail(item != NULL, NULL);
 121         g_return_val_if_fail(num > 0 && num <= item->last_num, NULL);
 122
 123         path = folder_item_get_path(item);
 124         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 125         g_free(path);
 126         if (!is_file_exist(file)) {
 127                 g_free(file);
 128                 return NULL;
 129         }
 130
 131         return file;
 132 }
 133
 134 gchar *mh_get_newmsg_filename(FolderItem *dest)
 135 {
 136         gchar *destfile;
 137         gchar *destpath;
 138         gboolean found = FALSE;
 139
 140         destpath = folder_item_get_path(dest);
 141         g_return_val_if_fail(destpath != NULL, NULL);
 142         if (!is_dir_exist(destpath))
 143                 make_dir_hier(destpath);
 144
 145         do {
 146                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 147                                            dest->last_num + 1);
 148                 if(is_file_exist(destfile)) {
 149                         dest->last_num++;
 150                         g_free(destfile);
 151                 } else {
 152                         found = TRUE;
 153                 }
 154         } while(!found);
 155         g_free(destpath);
 156
 157         return destfile;
 158 }
 159
 160 gint mh_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 161                 gboolean remove_source)
 162 {
 163         gchar *destfile;
 164
 165         g_return_val_if_fail(dest != NULL, -1);
 166         g_return_val_if_fail(file != NULL, -1);
 167
 168         if (dest->last_num < 0) {
 169                 mh_scan_folder(folder, dest);
 170                 if (dest->last_num < 0) return -1;
 171         }
 172
 173         destfile = mh_get_newmsg_filename(dest);
 174         if(!destfile) return -1;
 175
 176         if (link(file, destfile) < 0) {
 177                 if (copy_file(file, destfile) < 0) {
 178                         g_warning(_("can't copy message %s to %s\n"),
 179                                   file, destfile);
 180                         g_free(destfile);
 181                         return -1;
 182                 }
 183         }
 184
 185         if (remove_source) {
 186                 if (unlink(file) < 0)
 187                         FILE_OP_ERROR(file, "unlink");
 188         }
 189
 190         g_free(destfile);
 191         dest->last_num++;
 192         return dest->last_num;
 193 }
 194
 195 gint mh_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 196 {
 197         gchar *destdir;
 198         gchar *srcfile;
 199         gchar *destfile;
 200         FILE *fp;
 201         gint filemode = 0;
 202         PrefsFolderItem *prefs;
 203
 204         g_return_val_if_fail(dest != NULL, -1);
 205         g_return_val_if_fail(msginfo != NULL, -1);
 206
 207         if (msginfo->folder == dest) {
 208                 g_warning(_("the src folder is identical to the dest.\n"));
 209                 return -1;
 210         }
 211
 212         if (dest->last_num < 0) {
 213                 mh_scan_folder(folder, dest);
 214                 if (dest->last_num < 0) return -1;
 215         }
 216
 217         prefs = dest->prefs;
 218
 219         destdir = folder_item_get_path(dest);
 220         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 221                 g_warning(_("Can't open mark file.\n"));
 222
 223         debug_print(_("Moving message %s%c%d to %s ...\n"),
 224                     msginfo->folder->path, G_DIR_SEPARATOR,
 225                     msginfo->msgnum, dest->path);
 226         srcfile = procmsg_get_message_file_path(msginfo);
 227
 228         destfile = mh_get_newmsg_filename(dest);
 229         if(!destfile) return -1;
 230
 231         g_free(destdir);
 232
 233         if (move_file(srcfile, destfile) < 0) {
 234                 g_free(srcfile);
 235                 g_free(destfile);
 236                 if (fp) fclose(fp);
 237                 return -1;
 238         }
 239
 240         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 241                 if (chmod(destfile, prefs->folder_chmod) < 0)
 242                         FILE_OP_ERROR(destfile, "chmod");
 243
 244                 /* for mark file */
 245                 filemode = prefs->folder_chmod;
 246                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 247                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 248         }
 249
 250         g_free(srcfile);
 251         g_free(destfile);
 252         dest->last_num++;
 253
 254         if (fp) {
 255                 MsgInfo newmsginfo;
 256
 257                 newmsginfo.msgnum = dest->last_num;
 258                 newmsginfo.flags = msginfo->flags;
 259                 if (dest->stype == F_OUTBOX ||
 260                     dest->stype == F_QUEUE  ||
 261                     dest->stype == F_DRAFT  ||
 262                     dest->stype == F_TRASH)
 263                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 264                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 265
 266                 procmsg_write_flags(&newmsginfo, fp);
 267
 268                 if (filemode) {
 269 #if HAVE_FCHMOD
 270                         fchmod(fileno(fp), filemode);
 271 #else
 272                         gchar *markfile;
 273
 274                         markfile = folder_item_get_mark_file(dest);
 275                         if (markfile) {
 276                                 chmod(markfile, filemode);
 277                                 g_free(markfile);
 278                         }
 279 #endif
 280                 }
 281
 282                 fclose(fp);
 283         }
 284
 285         return dest->last_num;
 286 }
 287
 288 gint mh_move_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 289 {
 290         gchar *destdir;
 291         gchar *srcfile;
 292         gchar *destfile;
 293         FILE *fp;
 294         GSList *cur;
 295         MsgInfo *msginfo;
 296         PrefsFolderItem *prefs;
 297
 298         g_return_val_if_fail(dest != NULL, -1);
 299         g_return_val_if_fail(msglist != NULL, -1);
 300
 301         if (dest->last_num < 0) {
 302                 mh_scan_folder(folder, dest);
 303                 if (dest->last_num < 0) return -1;
 304         }
 305
 306         prefs = dest->prefs;
 307
 308         destdir = folder_item_get_path(dest);
 309         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 310                 g_warning(_("Can't open mark file.\n"));
 311
 312         for (cur = msglist; cur != NULL; cur = cur->next) {
 313                 msginfo = (MsgInfo *)cur->data;
 314
 315                 if (msginfo->folder == dest) {
 316                         g_warning(_("the src folder is identical to the dest.\n"));
 317                         continue;
 318                 }
 319                 debug_print(_("Moving message %s%c%d to %s ...\n"),
 320                             msginfo->folder->path, G_DIR_SEPARATOR,
 321                             msginfo->msgnum, dest->path);
 322
 323                 srcfile = procmsg_get_message_file_path(msginfo);
 324                 destfile = mh_get_newmsg_filename(dest);
 325                 if(!destfile) return -1;
 326
 327                 if (move_file(srcfile, destfile) < 0) {
 328                         g_free(srcfile);
 329                         g_free(destfile);
 330                         break;
 331                 }
 332
 333                 g_free(srcfile);
 334                 g_free(destfile);
 335                 dest->last_num++;
 336
 337                 if (fp) {
 338                         MsgInfo newmsginfo;
 339
 340                         newmsginfo.msgnum = dest->last_num;
 341                         newmsginfo.flags = msginfo->flags;
 342                         if (dest->stype == F_OUTBOX ||
 343                             dest->stype == F_QUEUE  ||
 344                             dest->stype == F_DRAFT  ||
 345                             dest->stype == F_TRASH)
 346                                 MSG_UNSET_PERM_FLAGS
 347                                         (newmsginfo.flags,
 348                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 349
 350                         procmsg_write_flags(&newmsginfo, fp);
 351                 }
 352         }
 353
 354         g_free(destdir);
 355         if (fp) fclose(fp);
 356
 357         return dest->last_num;
 358 }
 359
 360 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 361 {
 362         gchar *destdir;
 363         gchar *srcfile;
 364         gchar *destfile;
 365         FILE *fp;
 366         gint filemode = 0;
 367         PrefsFolderItem *prefs;
 368
 369         g_return_val_if_fail(dest != NULL, -1);
 370         g_return_val_if_fail(msginfo != NULL, -1);
 371
 372         if (msginfo->folder == dest) {
 373                 g_warning(_("the src folder is identical to the dest.\n"));
 374                 return -1;
 375         }
 376
 377         if (dest->last_num < 0) {
 378                 mh_scan_folder(folder, dest);
 379                 if (dest->last_num < 0) return -1;
 380         }
 381
 382         prefs = dest->prefs;
 383
 384         destdir = folder_item_get_path(dest);
 385         if (!is_dir_exist(destdir))
 386                 make_dir_hier(destdir);
 387
 388         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 389                 g_warning(_("Can't open mark file.\n"));
 390
 391         debug_print(_("Copying message %s%c%d to %s ...\n"),
 392                     msginfo->folder->path, G_DIR_SEPARATOR,
 393                     msginfo->msgnum, dest->path);
 394         srcfile = procmsg_get_message_file_path(msginfo);
 395         destfile = mh_get_newmsg_filename(dest);
 396         if(!destfile) {
 397                 g_free(srcfile);
 398                 if (fp) fclose(fp);
 399                 return -1;
 400         }
 401
 402         g_free(destdir);
 403
 404         dest->op_count--;
 405
 406         if (copy_file(srcfile, destfile) < 0) {
 407                 FILE_OP_ERROR(srcfile, "copy");
 408                 g_free(srcfile);
 409                 g_free(destfile);
 410                 if (fp) fclose(fp);
 411                 return -1;
 412         }
 413
 414         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 415                 if (chmod(destfile, prefs->folder_chmod) < 0)
 416                         FILE_OP_ERROR(destfile, "chmod");
 417
 418                 /* for mark file */
 419                 filemode = prefs->folder_chmod;
 420                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
 421                 if (filemode & S_IROTH) filemode |= S_IWOTH;
 422         }
 423
 424         g_free(srcfile);
 425         g_free(destfile);
 426         dest->last_num++;
 427
 428         if (fp) {
 429                 MsgInfo newmsginfo;
 430
 431                 newmsginfo.msgnum = dest->last_num;
 432                 newmsginfo.flags = msginfo->flags;
 433                 if (dest->stype == F_OUTBOX ||
 434                     dest->stype == F_QUEUE  ||
 435                     dest->stype == F_DRAFT  ||
 436                     dest->stype == F_TRASH)
 437                         MSG_UNSET_PERM_FLAGS(newmsginfo.flags,
 438                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
 439                 procmsg_write_flags(&newmsginfo, fp);
 440
 441                 if (filemode) {
 442 #if HAVE_FCHMOD
 443                         fchmod(fileno(fp), filemode);
 444 #else
 445                         gchar *markfile;
 446
 447                         markfile = folder_item_get_mark_file(dest);
 448                         if (markfile) {
 449                                 chmod(markfile, filemode);
 450                                 g_free(markfile);
 451                         }
 452 #endif
 453                 }
 454
 455                 fclose(fp);
 456         }
 457
 458         return dest->last_num;
 459 }
 460
 461 /*
 462 gint mh_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
 463 {
 464         Folder * src_folder;
 465         gchar * filename;
 466         gint num;
 467         gchar * destdir;
 468         FILE * fp;
 469
 470         src_folder = msginfo->folder->folder;
 471
 472         g_return_val_if_fail(src_folder->fetch_msg != NULL, -1);
 473
 474         filename = src_folder->fetch_msg(src_folder,
 475                                          msginfo->folder,
 476                                          msginfo->msgnum);
 477         if (filename == NULL)
 478                 return -1;
 479
 480         num = folder->add_msg(folder, dest, filename, FALSE);
 481
 482         destdir = folder_item_get_path(dest);
 483         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 484                 g_warning(_("Can't open mark file.\n"));
 485
 486         if (fp) {
 487                 MsgInfo newmsginfo;
 488
 489                 newmsginfo.msgnum = dest->last_num;
 490                 newmsginfo.flags = msginfo->flags;
 491                 if (dest->stype == F_OUTBOX ||
 492                     dest->stype == F_QUEUE  ||
 493                     dest->stype == F_DRAFT  ||
 494                     dest->stype == F_TRASH)
 495                         MSG_UNSET_FLAGS(newmsginfo.flags,
 496                                         MSG_NEW|MSG_UNREAD|MSG_DELETED);
 497
 498                 procmsg_write_flags(&newmsginfo, fp);
 499                 fclose(fp);
 500         }
 501
 502         return num;
 503 }
 504 */
 505
 506 gint mh_copy_msgs_with_dest(Folder *folder, FolderItem *dest, GSList *msglist)
 507 {
 508         gchar *destdir;
 509         gchar *srcfile;
 510         gchar *destfile;
 511         FILE *fp;
 512         GSList *cur;
 513         MsgInfo *msginfo;
 514
 515         g_return_val_if_fail(dest != NULL, -1);
 516         g_return_val_if_fail(msglist != NULL, -1);
 517
 518         if (dest->last_num < 0) {
 519                 mh_scan_folder(folder, dest);
 520                 if (dest->last_num < 0) return -1;
 521         }
 522
 523         destdir = folder_item_get_path(dest);
 524         if (!is_dir_exist(destdir))
 525                 make_dir_hier(destdir);
 526
 527         if ((fp = procmsg_open_mark_file(destdir, TRUE)) == NULL)
 528                 g_warning(_("Can't open mark file.\n"));
 529
 530         for (cur = msglist; cur != NULL; cur = cur->next) {
 531                 msginfo = (MsgInfo *)cur->data;
 532
 533                 if (msginfo->folder == dest) {
 534                         g_warning(_("the src folder is identical to the dest.\n"));
 535                         continue;
 536                 }
 537                 debug_print(_("Copying message %s%c%d to %s ...\n"),
 538                             msginfo->folder->path, G_DIR_SEPARATOR,
 539                             msginfo->msgnum, dest->path);
 540
 541                 srcfile = procmsg_get_message_file_path(msginfo);
 542                 destfile = mh_get_newmsg_filename(dest);
 543                 if(!destfile) {
 544                         g_free(srcfile);
 545                         break;
 546                 }
 547
 548                 if (copy_file(srcfile, destfile) < 0) {
 549                         FILE_OP_ERROR(srcfile, "copy");
 550                         g_free(srcfile);
 551                         g_free(destfile);
 552                         break;
 553                 }
 554
 555                 g_free(srcfile);
 556                 g_free(destfile);
 557                 dest->last_num++;
 558
 559                 if (fp) {
 560                         MsgInfo newmsginfo;
 561
 562                         newmsginfo.msgnum = dest->last_num;
 563                         newmsginfo.flags = msginfo->flags;
 564                         if (dest->stype == F_OUTBOX ||
 565                             dest->stype == F_QUEUE  ||
 566                             dest->stype == F_DRAFT  ||
 567                             dest->stype == F_TRASH)
 568                                 MSG_UNSET_PERM_FLAGS
 569                                         (newmsginfo.flags,
 570                                          MSG_NEW|MSG_UNREAD|MSG_DELETED);
 571                         procmsg_write_flags(&newmsginfo, fp);
 572                 }
 573         }
 574
 575         g_free(destdir);
 576         if (fp) fclose(fp);
 577
 578         return dest->last_num;
 579 }
 580
 581 gint mh_remove_msg(Folder *folder, FolderItem *item, gint num)
 582 {
 583         gchar *file;
 584
 585         g_return_val_if_fail(item != NULL, -1);
 586
 587         file = mh_fetch_msg(folder, item, num);
 588         g_return_val_if_fail(file != NULL, -1);
 589
 590         if (unlink(file) < 0) {
 591                 FILE_OP_ERROR(file, "unlink");
 592                 g_free(file);
 593                 return -1;
 594         }
 595
 596         g_free(file);
 597         return 0;
 598 }
 599
 600 gint mh_remove_all_msg(Folder *folder, FolderItem *item)
 601 {
 602         gchar *path;
 603         gint val;
 604
 605         g_return_val_if_fail(item != NULL, -1);
 606
 607         path = folder_item_get_path(item);
 608         g_return_val_if_fail(path != NULL, -1);
 609         val = remove_all_numbered_files(path);
 610         g_free(path);
 611
 612         return val;
 613 }
 614
 615 gboolean mh_is_msg_changed(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 616 {
 617         struct stat s;
 618
 619         if (stat(itos(msginfo->msgnum), &s) < 0 ||
 620             msginfo->size  != s.st_size ||
 621             msginfo->mtime != s.st_mtime)
 622                 return TRUE;
 623
 624         return FALSE;
 625 }
 626
 627 void mh_scan_folder(Folder *folder, FolderItem *item)
 628 {
 629         gchar *path;
 630         DIR *dp;
 631         struct dirent *d;
 632         struct stat s;
 633         gint max = 0;
 634         gint num;
 635         gint n_msg = 0;
 636
 637         g_return_if_fail(item != NULL);
 638
 639         debug_print("mh_scan_folder(): Scanning %s ...\n", item->path);
 640
 641         path = folder_item_get_path(item);
 642         g_return_if_fail(path != NULL);
 643         if (change_dir(path) < 0) {
 644                 g_free(path);
 645                 return;
 646         }
 647         g_free(path);
 648
 649         if ((dp = opendir(".")) == NULL) {
 650                 FILE_OP_ERROR(item->path, "opendir");
 651                 return;
 652         }
 653
 654         if (folder->ui_func)
 655                 folder->ui_func(folder, item, folder->ui_func_data);
 656
 657         while ((d = readdir(dp)) != NULL) {
 658                 if ((num = to_number(d->d_name)) >= 0 &&
 659                     stat(d->d_name, &s) == 0 &&
 660                     S_ISREG(s.st_mode)) {
 661                         n_msg++;
 662                         if (max < num)
 663                                 max = num;
 664                 }
 665         }
 666
 667         closedir(dp);
 668
 669         if (n_msg == 0)
 670                 item->new = item->unread = item->total = 0;
 671         else {
 672                 gint new, unread, total;
 673
 674                 procmsg_get_mark_sum(".", &new, &unread, &total);
 675                 if (n_msg > total) {
 676                         new += n_msg - total;
 677                         unread += n_msg - total;
 678                 }
 679                 item->new = new;
 680                 item->unread = unread;
 681                 item->total = n_msg;
 682         }
 683
 684         debug_print(_("Last number in dir %s = %d\n"), item->path, max);
 685         item->last_num = max;
 686 }
 687
 688 void mh_scan_tree(Folder *folder)
 689 {
 690         FolderItem *item;
 691         gchar *rootpath;
 692         GHashTable *pptable;
 693
 694         g_return_if_fail(folder != NULL);
 695
 696         pptable = folder_persist_prefs_new(folder);
 697
 698         folder_tree_destroy(folder);
 699         item = folder_item_new(folder->name, NULL);
 700         item->folder = folder;
 701         folder->node = g_node_new(item);
 702
 703         rootpath = folder_item_get_path(item);
 704         if (change_dir(rootpath) < 0) {
 705                 g_free(rootpath);
 706                 return;
 707         }
 708         g_free(rootpath);
 709
 710         mh_scan_tree_recursive(item, pptable);
 711
 712         folder_persist_prefs_free(pptable);
 713 }
 714
 715 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 716 { \
 717         if (!is_dir_exist(dir)) { \
 718                 if (is_file_exist(dir)) { \
 719                         g_warning(_("File `%s' already exists.\n" \
 720                                     "Can't create folder."), dir); \
 721                         return -1; \
 722                 } \
 723                 if (mkdir(dir, S_IRWXU) < 0) { \
 724                         FILE_OP_ERROR(dir, "mkdir"); \
 725                         return -1; \
 726                 } \
 727                 if (chmod(dir, S_IRWXU) < 0) \
 728                         FILE_OP_ERROR(dir, "chmod"); \
 729         } \
 730 }
 731
 732 gint mh_create_tree(Folder *folder)
 733 {
 734         gchar *rootpath;
 735
 736         g_return_val_if_fail(folder != NULL, -1);
 737
 738         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), -1);
 739         rootpath = LOCAL_FOLDER(folder)->rootpath;
 740         MAKE_DIR_IF_NOT_EXIST(rootpath);
 741         CHDIR_RETURN_VAL_IF_FAIL(rootpath, -1);
 742         MAKE_DIR_IF_NOT_EXIST(INBOX_DIR);
 743         MAKE_DIR_IF_NOT_EXIST(OUTBOX_DIR);
 744         MAKE_DIR_IF_NOT_EXIST(QUEUE_DIR);
 745         MAKE_DIR_IF_NOT_EXIST(DRAFT_DIR);
 746         MAKE_DIR_IF_NOT_EXIST(TRASH_DIR);
 747
 748         return 0;
 749 }
 750
 751 #undef MAKE_DIR_IF_NOT_EXIST
 752
 753 FolderItem *mh_create_folder(Folder *folder, FolderItem *parent,
 754                              const gchar *name)
 755 {
 756         gchar *path;
 757         gchar *fullpath;
 758         FolderItem *new_item;
 759
 760         g_return_val_if_fail(folder != NULL, NULL);
 761         g_return_val_if_fail(parent != NULL, NULL);
 762         g_return_val_if_fail(name != NULL, NULL);
 763
 764         path = folder_item_get_path(parent);
 765         if (!is_dir_exist(path))
 766                 make_dir_hier(path);
 767
 768         fullpath = g_strconcat(path, G_DIR_SEPARATOR_S, name, NULL);
 769         g_free(path);
 770
 771         if (mkdir(fullpath, S_IRWXU) < 0) {
 772                 FILE_OP_ERROR(fullpath, "mkdir");
 773                 g_free(fullpath);
 774                 return NULL;
 775         }
 776         if (chmod(fullpath, S_IRWXU) < 0)
 777                 FILE_OP_ERROR(fullpath, "chmod");
 778
 779         g_free(fullpath);
 780
 781         if (parent->path)
 782                 path = g_strconcat(parent->path, G_DIR_SEPARATOR_S, name,
 783                                    NULL);
 784         else
 785                 path = g_strdup(name);
 786         new_item = folder_item_new(name, path);
 787         folder_item_append(parent, new_item);
 788         g_free(path);
 789
 790         return new_item;
 791 }
 792
 793 gint mh_rename_folder(Folder *folder, FolderItem *item, const gchar *name)
 794 {
 795         gchar *oldpath;
 796         gchar *dirname;
 797         gchar *newpath;
 798         GNode *node;
 799         gchar *paths[2];
 800
 801         g_return_val_if_fail(folder != NULL, -1);
 802         g_return_val_if_fail(item != NULL, -1);
 803         g_return_val_if_fail(item->path != NULL, -1);
 804         g_return_val_if_fail(name != NULL, -1);
 805
 806         oldpath = folder_item_get_path(item);
 807         if (!is_dir_exist(oldpath))
 808                 make_dir_hier(oldpath);
 809
 810         dirname = g_dirname(oldpath);
 811         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 812         g_free(dirname);
 813
 814         if (rename(oldpath, newpath) < 0) {
 815                 FILE_OP_ERROR(oldpath, "rename");
 816                 g_free(oldpath);
 817                 g_free(newpath);
 818                 return -1;
 819         }
 820
 821         g_free(oldpath);
 822         g_free(newpath);
 823
 824         if (strchr(item->path, G_DIR_SEPARATOR) != NULL) {
 825                 dirname = g_dirname(item->path);
 826                 newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 827                 g_free(dirname);
 828         } else
 829                 newpath = g_strdup(name);
 830
 831         g_free(item->name);
 832         item->name = g_strdup(name);
 833
 834         node = g_node_find(item->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL,
 835                            item);
 836         paths[0] = g_strdup(item->path);
 837         paths[1] = newpath;
 838         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 839                         mh_rename_folder_func, paths);
 840
 841         g_free(paths[0]);
 842         g_free(paths[1]);
 843         return 0;
 844 }
 845
 846 gint mh_remove_folder(Folder *folder, FolderItem *item)
 847 {
 848         gchar *path;
 849
 850         g_return_val_if_fail(folder != NULL, -1);
 851         g_return_val_if_fail(item != NULL, -1);
 852         g_return_val_if_fail(item->path != NULL, -1);
 853
 854         path = folder_item_get_path(item);
 855         if (remove_dir_recursive(path) < 0) {
 856                 g_warning("can't remove directory `%s'\n", path);
 857                 g_free(path);
 858                 return -1;
 859         }
 860
 861         g_free(path);
 862         folder_item_remove(item);
 863         return 0;
 864 }
 865
 866
 867 static GSList *mh_get_uncached_msgs(GHashTable *msg_table, FolderItem *item)
 868 {
 869         gchar *path;
 870         DIR *dp;
 871         struct dirent *d;
 872         struct stat s;
 873         GSList *newlist = NULL;
 874         GSList *last = NULL;
 875         MsgInfo *msginfo;
 876         gint n_newmsg = 0;
 877         gint num;
 878
 879         g_return_val_if_fail(item != NULL, NULL);
 880
 881         path = folder_item_get_path(item);
 882         g_return_val_if_fail(path != NULL, NULL);
 883         if (change_dir(path) < 0) {
 884                 g_free(path);
 885                 return NULL;
 886         }
 887         g_free(path);
 888
 889         if ((dp = opendir(".")) == NULL) {
 890                 FILE_OP_ERROR(item->path, "opendir");
 891                 return NULL;
 892         }
 893
 894         debug_print(_("\tSearching uncached messages... "));
 895
 896         if (msg_table) {
 897                 while ((d = readdir(dp)) != NULL) {
 898                         if ((num = to_number(d->d_name)) < 0) continue;
 899                         if (stat(d->d_name, &s) < 0) {
 900                                 FILE_OP_ERROR(d->d_name, "stat");
 901                                 continue;
 902                         }
 903                         if (!S_ISREG(s.st_mode)) continue;
 904
 905                         msginfo = g_hash_table_lookup
 906                                 (msg_table, GUINT_TO_POINTER(num));
 907
 908                         if (!msginfo) {
 909                                 /* not found in the cache (uncached message) */
 910                                 msginfo = mh_parse_msg(d->d_name, item);
 911                                 if (!msginfo) continue;
 912
 913                                 if (!newlist)
 914                                         last = newlist =
 915                                                 g_slist_append(NULL, msginfo);
 916                                 else {
 917                                         last = g_slist_append(last, msginfo);
 918                                         last = last->next;
 919                                 }
 920                                 n_newmsg++;
 921                         }
 922                 }
 923         } else {
 924                 /* discard all previous cache */
 925                 while ((d = readdir(dp)) != NULL) {
 926                         if (to_number(d->d_name) < 0) continue;
 927                         if (stat(d->d_name, &s) < 0) {
 928                                 FILE_OP_ERROR(d->d_name, "stat");
 929                                 continue;
 930                         }
 931                         if (!S_ISREG(s.st_mode)) continue;
 932
 933                         msginfo = mh_parse_msg(d->d_name, item);
 934                         if (!msginfo) continue;
 935
 936                         if (!newlist)
 937                                 last = newlist = g_slist_append(NULL, msginfo);
 938                         else {
 939                                 last = g_slist_append(last, msginfo);
 940                                 last = last->next;
 941                         }
 942                         n_newmsg++;
 943                 }
 944         }
 945
 946         closedir(dp);
 947
 948         if (n_newmsg)
 949                 debug_print(_("%d uncached message(s) found.\n"), n_newmsg);
 950         else
 951                 debug_print(_("done.\n"));
 952
 953         /* sort new messages in numerical order */
 954         if (newlist) {
 955                 debug_print(_("\tSorting uncached messages in numerical order... "));
 956                 newlist = g_slist_sort
 957                         (newlist, (GCompareFunc)procmsg_cmp_msgnum_for_sort);
 958                 debug_print(_("done.\n"));
 959         }
 960
 961         return newlist;
 962 }
 963
 964 static MsgInfo *mh_parse_msg(const gchar *file, FolderItem *item)
 965 {
 966         struct stat s;
 967         MsgInfo *msginfo;
 968         MsgFlags flags;
 969
 970         flags.perm_flags = MSG_NEW|MSG_UNREAD;
 971         flags.tmp_flags = 0;
 972
 973         g_return_val_if_fail(item != NULL, NULL);
 974         g_return_val_if_fail(file != NULL, NULL);
 975
 976         if (item->stype == F_QUEUE) {
 977                 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
 978         } else if (item->stype == F_DRAFT) {
 979                 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
 980         }
 981
 982         msginfo = procheader_parse(file, flags, FALSE, FALSE);
 983         if (!msginfo) return NULL;
 984
 985         msginfo->msgnum = atoi(file);
 986         msginfo->folder = item;
 987
 988         if (stat(file, &s) < 0) {
 989                 FILE_OP_ERROR(file, "stat");
 990                 msginfo->size = 0;
 991                 msginfo->mtime = 0;
 992         } else {
 993                 msginfo->size = s.st_size;
 994                 msginfo->mtime = s.st_mtime;
 995         }
 996
 997         return msginfo;
 998 }
 999
1000 static gboolean mh_is_maildir_one(const gchar *path, const gchar *dir)
1001 {
1002         gchar *entry;
1003         gboolean result;
1004
1005         entry = g_strconcat(path, G_DIR_SEPARATOR_S, dir, NULL);
1006         result = is_dir_exist(entry);
1007         g_free(entry);
1008
1009         return result;
1010 }
1011
1012 /*
1013  * check whether PATH is a Maildir style mailbox.
1014  * This is the case if the 3 subdir: new, cur, tmp are existing.
1015  * This functon assumes that entry is an directory
1016  */
1017 static gboolean mh_is_maildir(const gchar *path)
1018 {
1019         return mh_is_maildir_one(path, "new") &&
1020                mh_is_maildir_one(path, "cur") &&
1021                mh_is_maildir_one(path, "tmp");
1022 }
1023
1024 static void mh_scan_tree_recursive(FolderItem *item, GHashTable *pptable)
1025 {
1026         DIR *dp;
1027         struct dirent *d;
1028         struct stat s;
1029         gchar *entry;
1030         gint n_msg = 0;
1031
1032         g_return_if_fail(item != NULL);
1033         g_return_if_fail(item->folder != NULL);
1034
1035         dp = opendir(item->path ? item->path : ".");
1036         if (!dp) {
1037                 FILE_OP_ERROR(item->path ? item->path : ".", "opendir");
1038                 return;
1039         }
1040
1041         debug_print("scanning %s ...\n",
1042                     item->path ? item->path
1043                     : LOCAL_FOLDER(item->folder)->rootpath);
1044         if (item->folder->ui_func)
1045                 item->folder->ui_func(item->folder, item,
1046                                       item->folder->ui_func_data);
1047
1048         while ((d = readdir(dp)) != NULL) {
1049                 if (d->d_name[0] == '.') continue;
1050
1051                 if (item->path)
1052                         entry = g_strconcat(item->path, G_DIR_SEPARATOR_S,
1053                                             d->d_name, NULL);
1054                 else
1055                         entry = g_strdup(d->d_name);
1056
1057                 if (stat(entry, &s) < 0) {
1058                         FILE_OP_ERROR(entry, "stat");
1059                         g_free(entry);
1060                         continue;
1061                 }
1062
1063                 if (S_ISDIR(s.st_mode)) {
1064                         FolderItem *new_item;
1065
1066                         if (mh_is_maildir(entry)) {
1067                                 g_free(entry);
1068                                 continue;
1069                         }
1070
1071                         new_item = folder_item_new(d->d_name, entry);
1072                         folder_item_append(item, new_item);
1073                         if (!item->path) {
1074                                 if (!strcmp(d->d_name, "inbox")) {
1075                                         new_item->stype = F_INBOX;
1076                                         item->folder->inbox = new_item;
1077                                 } else if (!strcmp(d->d_name, "outbox")) {
1078                                         new_item->stype = F_OUTBOX;
1079                                         item->folder->outbox = new_item;
1080                                 } else if (!strcmp(d->d_name, "draft")) {
1081                                         new_item->stype = F_DRAFT;
1082                                         item->folder->draft = new_item;
1083                                 } else if (!strcmp(d->d_name, "queue")) {
1084                                         new_item->stype = F_QUEUE;
1085                                         item->folder->queue = new_item;
1086                                 } else if (!strcmp(d->d_name, "trash")) {
1087                                         new_item->stype = F_TRASH;
1088                                         item->folder->trash = new_item;
1089                                 }
1090                         }
1091                         folder_item_restore_persist_prefs(new_item, pptable);
1092                         mh_scan_tree_recursive(new_item, pptable);
1093                 } else if (to_number(d->d_name) != -1) n_msg++;
1094
1095                 g_free(entry);
1096         }
1097
1098         closedir(dp);
1099
1100         if (item->path) {
1101                 gint new, unread, total;
1102
1103                 procmsg_get_mark_sum(item->path, &new, &unread, &total);
1104                 if (n_msg > total) {
1105                         new += n_msg - total;
1106                         unread += n_msg - total;
1107                 }
1108                 item->new = new;
1109                 item->unread = unread;
1110                 item->total = n_msg;
1111         }
1112 }
1113
1114 static gboolean mh_rename_folder_func(GNode *node, gpointer data)
1115 {
1116         FolderItem *item = node->data;
1117         gchar **paths = data;
1118         const gchar *oldpath = paths[0];
1119         const gchar *newpath = paths[1];
1120         gchar *base;
1121         gchar *new_itempath;
1122         gint oldpathlen;
1123
1124         oldpathlen = strlen(oldpath);
1125         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
1126                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
1127                 return TRUE;
1128         }
1129
1130         base = item->path + oldpathlen;
1131         while (*base == G_DIR_SEPARATOR) base++;
1132         if (*base == '\0')
1133                 new_itempath = g_strdup(newpath);
1134         else
1135                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
1136                                            NULL);
1137         g_free(item->path);
1138         item->path = new_itempath;
1139
1140         return FALSE;
1141 }