int
queue_message_delete(uint32_t msgid)
{
char msgpath[PATH_MAX];
uint64_t evpid;
void *iter;
int r;
profile_enter("queue_message_delete");
r = handler_message_delete(msgid);
profile_leave();
/* in case the message is incoming */
queue_message_path(msgid, msgpath, sizeof(msgpath));
unlink(msgpath);
/* remove remaining envelopes from the cache if any (on rollback) */
evpid = msgid_to_evpid(msgid);
for (;;) {
iter = NULL;
if (!tree_iterfrom(&evpcache_tree, &iter, evpid, &evpid, NULL))
break;
if (evpid_to_msgid(evpid) != msgid)
break;
queue_envelope_cache_del(evpid);
}
log_trace(TRACE_QUEUE,
"queue-backend: queue_message_delete(%08"PRIx32") -> %d", msgid, r);
return (r);
}
int
queue_message_fd_rw(uint32_t msgid)
{
char buf[PATH_MAX];
queue_message_path(msgid, buf, sizeof(buf));
return open(buf, O_RDWR | O_CREAT | O_EXCL, 0600);
}
int
queue_message_delete(uint32_t msgid)
{
char msgpath[PATH_MAX];
int r;
profile_enter("queue_message_delete");
r = handler_message_delete(msgid);
profile_leave();
/* in case the message is incoming */
queue_message_path(msgid, msgpath, sizeof(msgpath));
unlink(msgpath);
log_trace(TRACE_QUEUE,
"queue-backend: queue_message_delete(%08"PRIx32") -> %d", msgid, r);
return (r);
}
int
queue_message_commit(uint32_t msgid)
{
int r;
char msgpath[PATH_MAX];
char tmppath[PATH_MAX];
FILE *ifp = NULL;
FILE *ofp = NULL;
profile_enter("queue_message_commit");
queue_message_path(msgid, msgpath, sizeof(msgpath));
if (env->sc_queue_flags & QUEUE_COMPRESSION) {
bsnprintf(tmppath, sizeof tmppath, "%s.comp", msgpath);
ifp = fopen(msgpath, "r");
ofp = fopen(tmppath, "w+");
if (ifp == NULL || ofp == NULL)
goto err;
if (! compress_file(ifp, ofp))
goto err;
fclose(ifp);
fclose(ofp);
ifp = NULL;
ofp = NULL;
if (rename(tmppath, msgpath) == -1) {
if (errno == ENOSPC)
return (0);
unlink(tmppath);
log_warn("rename");
return (0);
}
}
if (env->sc_queue_flags & QUEUE_ENCRYPTION) {
bsnprintf(tmppath, sizeof tmppath, "%s.enc", msgpath);
ifp = fopen(msgpath, "r");
ofp = fopen(tmppath, "w+");
if (ifp == NULL || ofp == NULL)
goto err;
if (! crypto_encrypt_file(ifp, ofp))
goto err;
fclose(ifp);
fclose(ofp);
ifp = NULL;
ofp = NULL;
if (rename(tmppath, msgpath) == -1) {
if (errno == ENOSPC)
return (0);
unlink(tmppath);
log_warn("rename");
return (0);
}
}
r = handler_message_commit(msgid, msgpath);
profile_leave();
/* in case it's not done by the backend */
unlink(msgpath);
log_trace(TRACE_QUEUE,
"queue-backend: queue_message_commit(%08"PRIx32") -> %d",
msgid, r);
return (r);
err:
if (ifp)
fclose(ifp);
if (ofp)
fclose(ofp);
return 0;
}