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