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