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