2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
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 3 of the License, or
8 * (at your option) any later version.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "claws-features.h"
35 #include <glib/gi18n.h>
52 #include "prefs_common.h"
53 #include "prefs_account.h"
56 #include "filtering.h"
57 #include "alertpanel.h"
58 #include "statusbar.h"
61 #define MESSAGEBUFSIZE 8192
63 #ifdef HAVE_FGETS_UNLOCKED
64 #define SC_FGETS fgets_unlocked
65 #define SC_FPUTS fputs_unlocked
66 #define SC_FPUTC fputc_unlocked
68 #define SC_FGETS fgets
69 #define SC_FPUTS fputs
70 #define SC_FPUTC fputc
73 #define FPUTS_TO_TMP_ABORT_IF_FAIL(s) \
76 if (fputs(s, tmp_fp) == EOF) { \
77 g_warning("can't write to temporary file"); \
80 claws_unlink(tmp_file); \
86 gint proc_mbox(FolderItem *dest, const gchar *mbox, gboolean apply_filter,
87 PrefsAccount *account)
88 /* return values: -1 error, >=0 number of msgs added */
91 gchar buf[MESSAGEBUFSIZE];
97 GSList *to_filter = NULL, *filtered = NULL, *unfiltered = NULL, *cur, *to_add = NULL;
98 gboolean printed = FALSE;
99 FolderItem *dropfolder;
101 cm_return_val_if_fail(dest != NULL, -1);
102 cm_return_val_if_fail(mbox != NULL, -1);
104 debug_print("Getting messages from %s into %s...\n", mbox, dest->path);
106 if ((mbox_fp = g_fopen(mbox, "rb")) == NULL) {
107 FILE_OP_ERROR(mbox, "fopen");
108 alertpanel_error(_("Could not open mbox file:\n%s\n"), mbox);
112 /* ignore empty lines on the head */
114 if (fgets(buf, sizeof(buf), mbox_fp) == NULL) {
115 g_warning("can't read mbox file.");
119 } while (buf[0] == '\n' || buf[0] == '\r');
121 if (strncmp(buf, "From ", 5) != 0) {
122 g_warning("invalid mbox format: %s", mbox);
127 tmp_file = get_tmp_file();
129 folder_item_update_freeze();
132 dropfolder = folder_get_default_processing(account->account_id);
141 if (msgs > 0 && msgs%500 == 0) {
145 ngettext("Importing from mbox... (%d mail imported)",
146 "Importing from mbox... (%d mails imported)", msgs), msgs);
151 if ((tmp_fp = g_fopen(tmp_file, "wb")) == NULL) {
152 FILE_OP_ERROR(tmp_file, "fopen");
153 g_warning("can't open temporary file");
158 if (change_file_mode_rw(tmp_fp, tmp_file) < 0) {
159 FILE_OP_ERROR(tmp_file, "chmod");
165 /* process all lines from mboxrc file */
166 while (fgets(buf, sizeof(buf), mbox_fp) != NULL) {
169 /* eat empty lines */
170 if (buf[0] == '\n' || buf[0] == '\r') {
175 /* From separator or quoted From */
177 /* detect leading '>' char(s) */
178 while (buf[offset] == '>') {
181 if (!strncmp(buf+offset, "From ", 5)) {
182 /* From separator: */
184 /* expect next mbox item */
189 /* flush any eaten empty line */
190 if (empty_lines > 0) {
191 while (empty_lines-- > 0) {
192 FPUTS_TO_TMP_ABORT_IF_FAIL("\n");
196 /* store the unquoted line */
197 FPUTS_TO_TMP_ABORT_IF_FAIL(buf + 1);
202 /* flush any eaten empty line */
203 if (empty_lines > 0) {
204 while (empty_lines-- > 0) {
205 FPUTS_TO_TMP_ABORT_IF_FAIL("\n");
209 /* store the line itself */
210 FPUTS_TO_TMP_ABORT_IF_FAIL(buf);
212 /* end of mbox item or end of mbox */
214 /* flush any eaten empty line (but the last one) */
215 if (empty_lines > 0) {
216 while (--empty_lines > 0) {
217 FPUTS_TO_TMP_ABORT_IF_FAIL("\n");
221 /* more emails to expect? */
222 more = !feof(mbox_fp);
224 /* warn if email part is empty (it's the minimum check
227 g_warning("malformed mbox: %s: message %d is empty", mbox, msgs);
230 claws_unlink(tmp_file);
234 if (safe_fclose(tmp_fp) == EOF) {
235 FILE_OP_ERROR(tmp_file, "fclose");
236 g_warning("can't write to temporary file");
238 claws_unlink(tmp_file);
244 if ((msgnum = folder_item_add_msg(dropfolder, tmp_file, NULL, TRUE)) < 0) {
246 claws_unlink(tmp_file);
250 msginfo = folder_item_get_msginfo(dropfolder, msgnum);
251 to_filter = g_slist_prepend(to_filter, msginfo);
253 MsgFileInfo *finfo = g_new0(MsgFileInfo, 1);
254 finfo->file = tmp_file;
256 to_add = g_slist_prepend(to_add, finfo);
257 tmp_file = get_tmp_file();
259 /* flush every 500 */
260 if (msgs > 0 && msgs % 500 == 0) {
261 folder_item_add_msgs(dropfolder, to_add, TRUE);
262 procmsg_message_file_list_free(to_add);
274 folder_item_set_batch(dropfolder, FALSE);
275 procmsg_msglist_filter(to_filter, account,
276 &filtered, &unfiltered, TRUE);
277 folder_item_set_batch(dropfolder, TRUE);
279 filtering_move_and_copy_msgs(to_filter);
280 for (cur = filtered; cur; cur = g_slist_next(cur)) {
281 MsgInfo *info = (MsgInfo *)cur->data;
282 procmsg_msginfo_free(&info);
285 unfiltered = g_slist_reverse(unfiltered);
287 folder_item_move_msgs(dest, unfiltered);
288 for (cur = unfiltered; cur; cur = g_slist_next(cur)) {
289 MsgInfo *info = (MsgInfo *)cur->data;
290 procmsg_msginfo_free(&info);
294 g_slist_free(unfiltered);
295 g_slist_free(filtered);
296 g_slist_free(to_filter);
298 folder_item_add_msgs(dropfolder, to_add, TRUE);
299 procmsg_message_file_list_free(to_add);
303 folder_item_update_thaw();
307 debug_print("%d messages found.\n", msgs);
312 gint lock_mbox(const gchar *base, LockType type)
317 if (type == LOCK_FILE) {
318 gchar *lockfile, *locklink;
322 lockfile = g_strdup_printf("%s.%d", base, getpid());
323 if ((lockfp = g_fopen(lockfile, "wb")) == NULL) {
324 FILE_OP_ERROR(lockfile, "fopen");
325 g_warning("can't create lock file '%s', use 'flock' instead of 'file' if possible.", lockfile);
330 if (fprintf(lockfp, "%d\n", getpid()) < 0) {
331 FILE_OP_ERROR(lockfile, "fprintf");
337 if (safe_fclose(lockfp) == EOF) {
338 FILE_OP_ERROR(lockfile, "fclose");
343 locklink = g_strconcat(base, ".lock", NULL);
344 while (link(lockfile, locklink) < 0) {
345 FILE_OP_ERROR(lockfile, "link");
347 g_warning("can't create '%s'", lockfile);
348 claws_unlink(lockfile);
353 g_warning("mailbox is owned by another"
354 " process, waiting...");
358 claws_unlink(lockfile);
360 } else if (type == LOCK_FLOCK) {
362 gboolean fcntled = FALSE;
363 #if HAVE_FCNTL_H && !defined(G_OS_WIN32)
366 fl.l_whence = SEEK_SET;
372 if ((lockfd = g_open(base, O_RDWR, 0)) < 0) {
374 if ((lockfd = g_open(base, O_RDWR, 0)) < 0) {
376 FILE_OP_ERROR(base, "open");
380 #if HAVE_FCNTL_H && !defined(G_OS_WIN32)
381 if (fcntl(lockfd, F_SETLK, &fl) == -1) {
382 g_warning("can't fnctl %s (%s)", base, g_strerror(errno));
391 if (flock(lockfd, LOCK_EX|LOCK_NB) < 0 && !fcntled) {
395 if (lockf(lockfd, F_TLOCK, 0) < 0 && !fcntled) {
400 #endif /* HAVE_FLOCK */
401 g_warning("can't lock %s", base);
402 if (close(lockfd) < 0)
408 g_warning("invalid lock type");
415 #endif /* G_OS_UNIX */
418 gint unlock_mbox(const gchar *base, gint fd, LockType type)
420 if (type == LOCK_FILE) {
423 lockfile = g_strconcat(base, ".lock", NULL);
424 if (claws_unlink(lockfile) < 0) {
425 FILE_OP_ERROR(lockfile, "unlink");
432 } else if (type == LOCK_FLOCK) {
433 #if HAVE_FCNTL_H && !defined(G_OS_WIN32)
434 gboolean fcntled = FALSE;
437 fl.l_whence = SEEK_SET;
441 if (fcntl(fd, F_SETLK, &fl) == -1) {
442 g_warning("can't fnctl %s", base);
448 if (flock(fd, LOCK_UN) < 0 && !fcntled) {
452 if (lockf(fd, F_ULOCK, 0) < 0 && !fcntled) {
457 #endif /* HAVE_FLOCK */
458 g_warning("can't unlock %s", base);
472 g_warning("invalid lock type");
476 gint copy_mbox(gint srcfd, const gchar *dest)
481 gboolean err = FALSE;
488 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
489 FILE_OP_ERROR(dest, "fopen");
493 if (change_file_mode_rw(dest_fp, dest) < 0) {
494 FILE_OP_ERROR(dest, "chmod");
495 g_warning("can't change file mode");
498 while ((n_read = read(srcfd, buf, sizeof(buf))) > 0) {
499 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
500 g_warning("writing to %s failed.", dest);
507 if (save_errno != 0) {
508 g_warning("error %d reading mbox: %s", save_errno,
509 g_strerror(save_errno));
513 if (safe_fclose(dest_fp) == EOF) {
514 FILE_OP_ERROR(dest, "fclose");
526 void empty_mbox(const gchar *mbox)
530 if ((fp = g_fopen(mbox, "wb")) == NULL) {
531 FILE_OP_ERROR(mbox, "fopen");
532 g_warning("can't truncate mailbox to zero.");
538 gint export_list_to_mbox(GSList *mlist, const gchar *mbox)
539 /* return values: -2 skipped, -1 error, 0 OK */
548 gint msgs = 1, total = g_slist_length(mlist);
549 if (g_file_test(mbox, G_FILE_TEST_EXISTS) == TRUE) {
550 if (alertpanel_full(_("Overwrite mbox file"),
551 _("This file already exists. Do you want to overwrite it?"),
552 GTK_STOCK_CANCEL, _("Overwrite"), NULL,
553 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING)
554 != G_ALERTALTERNATE) {
559 if ((mbox_fp = g_fopen(mbox, "wb")) == NULL) {
560 FILE_OP_ERROR(mbox, "fopen");
561 alertpanel_error(_("Could not create mbox file:\n%s\n"), mbox);
565 #ifdef HAVE_FGETS_UNLOCKED
569 statusbar_print_all(_("Exporting to mbox..."));
570 for (cur = mlist; cur != NULL; cur = cur->next) {
572 gchar buft[BUFFSIZE];
573 msginfo = (MsgInfo *)cur->data;
575 msg_fp = procmsg_open_message(msginfo);
580 #ifdef HAVE_FGETS_UNLOCKED
584 msginfo->from ? msginfo->from :
585 cur_account && cur_account->address ?
586 cur_account->address : "unknown",
588 extract_address(buf);
590 if (fprintf(mbox_fp, "From %s %s",
591 buf, ctime_r(&msginfo->date_t, buft)) < 0) {
593 #ifdef HAVE_FGETS_UNLOCKED
602 /* write email to mboxrc */
603 while (SC_FGETS(buf, sizeof(buf), msg_fp) != NULL) {
604 /* quote any From, >From, >>From, etc., according to mbox format specs */
608 /* detect leading '>' char(s) */
609 while (buf[offset] == '>') {
612 if (!strncmp(buf+offset, "From ", 5)) {
613 if (SC_FPUTC('>', mbox_fp) == EOF) {
615 #ifdef HAVE_FGETS_UNLOCKED
622 if (SC_FPUTS(buf, mbox_fp) == EOF) {
624 #ifdef HAVE_FGETS_UNLOCKED
632 /* force last line to end w/ a newline */
636 if ((buf[len] != '\n') && (buf[len] != '\r')) {
637 if (SC_FPUTC('\n', mbox_fp) == EOF) {
639 #ifdef HAVE_FGETS_UNLOCKED
648 /* add a trailing empty line */
649 if (SC_FPUTC('\n', mbox_fp) == EOF) {
651 #ifdef HAVE_FGETS_UNLOCKED
658 #ifdef HAVE_FGETS_UNLOCKED
662 statusbar_progress_all(msgs++,total, 500);
668 statusbar_progress_all(0,0,0);
671 #ifdef HAVE_FGETS_UNLOCKED
672 funlockfile(mbox_fp);
674 safe_fclose(mbox_fp);
679 /* read all messages in SRC, and store them into one MBOX file. */
680 /* return values: -2 skipped, -1 error, 0 OK */
681 gint export_to_mbox(FolderItem *src, const gchar *mbox)
686 cm_return_val_if_fail(src != NULL, -1);
687 cm_return_val_if_fail(src->folder != NULL, -1);
688 cm_return_val_if_fail(mbox != NULL, -1);
690 debug_print("Exporting messages from %s into %s...\n",
693 mlist = folder_item_get_msg_list(src);
695 folder_item_update_freeze();
696 ret = export_list_to_mbox(mlist, mbox);
697 folder_item_update_thaw();
699 procmsg_msg_list_free(mlist);