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/* $Id$
*
* isync - IMAP4 to maildir mailbox synchronizer
* Copyright (C) 2000 Michael R. Elkins <me@mutt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <errno.h>
#include "isync.h"
static unsigned int MaildirCount = 0;
static message_t *
find_msg (message_t * list, unsigned int uid)
{
for (; list; list = list->next)
if (list->uid == uid)
return list;
return 0;
}
int
sync_mailbox (mailbox_t * mbox, imap_t * imap, int flags)
{
message_t *cur;
message_t *tmp;
char path[_POSIX_PATH_MAX];
char newpath[_POSIX_PATH_MAX];
char *p;
int fd;
int ret;
struct stat sb;
for (cur = mbox->msgs; cur; cur = cur->next)
{
tmp = find_msg (imap->msgs, cur->uid);
if (!tmp)
{
printf ("warning, uid %d doesn't exist on server\n", cur->uid);
if (flags & SYNC_DELETE)
{
cur->flags |= D_DELETED;
cur->dead = 1;
mbox->deleted++;
}
continue;
}
tmp->processed = 1;
if (!(flags & SYNC_FAST))
{
/* check if local flags are different from server flags.
* ignore \Recent and \Draft
*/
if (cur->flags != (tmp->flags & ~(D_RECENT | D_DRAFT)))
{
/* set local flags that don't exist on the server */
if (!(tmp->flags & D_DELETED) && (cur->flags & D_DELETED))
imap->deleted++;
imap_set_flags (imap, cur->uid, cur->flags & ~tmp->flags);
/* update local flags */
if((cur->flags & D_DELETED) == 0 && (tmp->flags & D_DELETED))
mbox->deleted++;
cur->flags |= (tmp->flags & ~(D_RECENT | D_DRAFT));
cur->changed = 1;
mbox->changed = 1;
}
}
}
fputs ("Fetching new messages", stdout);
fflush (stdout);
for (cur = imap->msgs; cur; cur = cur->next)
{
if (!cur->processed)
{
/* new message on server */
if ((flags & SYNC_EXPUNGE) && (cur->flags & D_DELETED))
{
/* this message has been marked for deletion and
* we are currently expunging a mailbox. don't
* bother downloading this message
*/
continue;
}
for (;;)
{
/* create new file */
snprintf (path, sizeof (path), "%s/tmp/%s.%ld_%d.%d.UID%d",
mbox->path, Hostname, time (0), MaildirCount++,
getpid (), cur->uid);
if (stat (path, &sb))
{
if (errno == ENOENT)
break;
}
sleep (2);
}
if (cur->flags)
{
/* append flags */
snprintf (path + strlen (path), sizeof (path) - strlen (path),
":2,%s%s%s%s",
(cur->flags & D_FLAGGED) ? "F" : "",
(cur->flags & D_ANSWERED) ? "R" : "",
(cur->flags & D_SEEN) ? "S" : "",
(cur->flags & D_DELETED) ? "T" : "");
}
/* give some visual feedback that something is happening */
fputs (".", stdout);
fflush (stdout);
// printf("creating %s\n", path);
fd = open (path, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0)
{
perror ("open");
continue;
}
ret = imap_fetch_message (imap, cur->uid, fd);
if (close (fd))
perror ("close");
else if (!ret)
{
p = strrchr (path, '/');
snprintf (newpath, sizeof (newpath), "%s/%s%s", mbox->path,
(cur->flags & D_SEEN) ? "cur" : "new", p);
// printf ("moving %s to %s\n", path, newpath);
/* its ok if this fails, the next time we sync the message
* will get pulled down
*/
if (link (path, newpath))
perror ("link");
}
/* always remove the temp file */
unlink (path);
}
}
puts ("");
return 0;
}