static int restore_expunged(struct mailbox *mailbox, int mode, unsigned long *uids,
unsigned nuids, time_t time_since, unsigned *numrestored,
const char *extname)
{
struct index_record newrecord;
annotate_state_t *astate = NULL;
unsigned uidnum = 0;
char oldfname[MAX_MAILBOX_PATH];
const char *fname;
char *userid = mboxname_to_userid(mailbox->name);
int r = 0;
*numrestored = 0;
struct mailbox_iter *iter = mailbox_iter_init(mailbox, 0, ITER_SKIP_UNLINKED);
const message_t *msg;
while ((msg = mailbox_iter_step(iter))) {
const struct index_record *record = msg_record(msg);
/* still active */
if (!(record->internal_flags & FLAG_INTERNAL_EXPUNGED))
continue;
if (mode == MODE_UID) {
while (uidnum < nuids && record->uid > uids[uidnum])
uidnum++;
if (uidnum >= nuids)
continue;
if (record->uid != uids[uidnum])
continue;
/* otherwise we want this one */
}
else if (mode == MODE_TIME) {
if (record->last_updated < time_since)
continue;
/* otherwise we want this one */
}
/* work on a copy */
newrecord = *record;
/* duplicate the old filename */
fname = mailbox_record_fname(mailbox, record);
xstrncpy(oldfname, fname, MAX_MAILBOX_PATH);
/* bump the UID, strip the flags */
newrecord.uid = mailbox->i.last_uid + 1;
newrecord.internal_flags &= ~FLAG_INTERNAL_EXPUNGED;
if (unsetdeleted)
newrecord.system_flags &= ~FLAG_DELETED;
/* copy the message file */
fname = mailbox_record_fname(mailbox, &newrecord);
r = mailbox_copyfile(oldfname, fname, 0);
if (r) break;
/* add the flag if requested */
if (addflag) {
int userflag = 0;
r = mailbox_user_flag(mailbox, addflag, &userflag, 1);
if (r) break;
newrecord.user_flags[userflag/32] |= 1<<(userflag&31);
}
/* and append the new record */
r = mailbox_append_index_record(mailbox, &newrecord);
if (r) break;
/* ensure we have an astate connected to the destination
* mailbox, so that the annotation txn will be committed
* when we close the mailbox */
r = mailbox_get_annotate_state(mailbox, newrecord.uid, &astate);
if (r) break;
/* and copy over any annotations */
r = annotate_msg_copy(mailbox, record->uid,
mailbox, newrecord.uid,
userid);
if (r) break;
if (verbose)
printf("Unexpunged %s: %u => %u\n",
extname, record->uid, newrecord.uid);
/* mark the old one unlinked so we don't see it again */
struct index_record oldrecord = *record;
oldrecord.internal_flags |= FLAG_INTERNAL_UNLINKED |
FLAG_INTERNAL_NEEDS_CLEANUP;
r = mailbox_rewrite_index_record(mailbox, &oldrecord);
if (r) break;
(*numrestored)++;
}
/* better get that seen to */
if (*numrestored)
mailbox->i.options |= OPT_MAILBOX_NEEDS_UNLINK;
mailbox_iter_done(&iter);
free(userid);
return r;
}
static int restore_expunged(struct mailbox *mailbox, int mode, unsigned long *uids,
unsigned nuids, time_t time_since, unsigned *numrestored,
const char *mboxname)
{
uint32_t recno;
uint32_t olduid;
struct index_record record;
unsigned uidnum = 0;
char oldfname[MAX_MAILBOX_PATH];
const char *fname;
int r = 0;
*numrestored = 0;
for (recno = 1; recno <= mailbox->i.num_records; recno++) {
r = mailbox_read_index_record(mailbox, recno, &record);
if (r) return r;
/* still active */
if (!(record.system_flags & FLAG_EXPUNGED))
continue;
/* no file, unrescuable */
if (record.system_flags & FLAG_UNLINKED)
continue;
if (mode == MODE_UID) {
while (uidnum < nuids && record.uid > uids[uidnum])
uidnum++;
if (uidnum >= nuids)
continue;
if (record.uid != uids[uidnum])
continue;
/* otherwise we want this one */
}
else if (mode == MODE_TIME) {
if (record.last_updated < time_since)
continue;
/* otherwise we want this one */
}
/* mark the old one unlinked so we don't see it again */
olduid = record.uid;
record.system_flags |= FLAG_UNLINKED;
r = mailbox_rewrite_index_record(mailbox, &record);
if (r) return r;
/* duplicate the old filename */
fname = mailbox_message_fname(mailbox, olduid);
xstrncpy(oldfname, fname, MAX_MAILBOX_PATH);
/* bump the UID, strip the flags */
record.uid = mailbox->i.last_uid + 1;
record.system_flags &= ~(FLAG_UNLINKED|FLAG_EXPUNGED);
if (unsetdeleted)
record.system_flags &= ~FLAG_DELETED;
/* copy the message file */
fname = mailbox_message_fname(mailbox, record.uid);
r = mailbox_copyfile(oldfname, fname, 0);
if (r) return r;
/* and append the new record */
mailbox_append_index_record(mailbox, &record);
if (verbose)
printf("Unexpunged %s: %u => %u\n",
mboxname, olduid, record.uid);
(*numrestored)++;
}
return 0;
}