static void
rspamd_symbols_cache_continuation (void *data)
{
struct rspamd_task *task = data;
rspamd_task_process (task, RSPAMD_TASK_PROCESS_ALL);
}
static gint
lua_util_process_message (lua_State *L)
{
struct rspamd_config *cfg = lua_check_config (L, 1);
const gchar *message;
gsize mlen;
struct rspamd_task *task;
struct event_base *base;
ucl_object_t *res = NULL;
message = luaL_checklstring (L, 2, &mlen);
if (cfg != NULL && message != NULL) {
base = event_init ();
rspamd_init_filters (cfg, FALSE);
task = rspamd_task_new (NULL);
task->cfg = cfg;
task->ev_base = base;
task->msg.start = rspamd_mempool_alloc (task->task_pool, mlen + 1);
rspamd_strlcpy ((gpointer)task->msg.start, message, mlen + 1);
task->msg.len = mlen;
task->fin_callback = lua_util_task_fin;
task->fin_arg = &res;
task->resolver = dns_resolver_init (NULL, base, cfg);
task->s = rspamd_session_create (task->task_pool, rspamd_task_fin,
rspamd_task_restore, rspamd_task_free_hard, task);
if (!rspamd_task_load_message (task, NULL, message, mlen)) {
lua_pushnil (L);
}
else {
if (rspamd_task_process (task, RSPAMD_TASK_PROCESS_ALL)) {
event_base_loop (base, 0);
if (res != NULL) {
ucl_object_push_lua (L, res, true);
ucl_object_unref (res);
}
else {
ucl_object_push_lua (L, rspamd_protocol_write_ucl (task, NULL),
true);
rdns_resolver_release (task->resolver->r);
rspamd_task_free_hard (task);
}
}
else {
lua_pushnil (L);
}
}
event_base_free (base);
}
else {
lua_pushnil (L);
}
return 1;
}
/*
* Called if all filters are processed
* @return TRUE if session should be terminated
*/
gboolean
rspamd_task_fin (void *arg)
{
struct rspamd_task *task = (struct rspamd_task *) arg;
/* Task is already finished or skipped */
if (RSPAMD_TASK_IS_PROCESSED (task)) {
rspamd_task_reply (task);
return TRUE;
}
if (!rspamd_task_process (task, RSPAMD_TASK_PROCESS_ALL)) {
rspamd_task_reply (task);
return TRUE;
}
if (RSPAMD_TASK_IS_PROCESSED (task)) {
rspamd_task_reply (task);
return TRUE;
}
/* One more iteration */
return FALSE;
}
gboolean
rspamd_task_process (struct rspamd_task *task, guint stages)
{
gint st;
gboolean ret = TRUE;
GError *stat_error = NULL;
/* Avoid nested calls */
if (task->flags & RSPAMD_TASK_FLAG_PROCESSING) {
return TRUE;
}
if (RSPAMD_TASK_IS_PROCESSED (task)) {
return TRUE;
}
task->flags |= RSPAMD_TASK_FLAG_PROCESSING;
st = rspamd_task_select_processing_stage (task, stages);
switch (st) {
case RSPAMD_TASK_STAGE_READ_MESSAGE:
if (!rspamd_message_parse (task)) {
ret = FALSE;
}
break;
case RSPAMD_TASK_STAGE_PRE_FILTERS:
rspamd_lua_call_pre_filters (task);
break;
case RSPAMD_TASK_STAGE_FILTERS:
if (!rspamd_process_filters (task)) {
ret = FALSE;
}
break;
case RSPAMD_TASK_STAGE_CLASSIFIERS:
if (rspamd_stat_classify (task, task->cfg->lua_state, &stat_error) ==
RSPAMD_STAT_PROCESS_ERROR) {
msg_err_task ("classify error: %e", stat_error);
g_error_free (stat_error);
}
break;
case RSPAMD_TASK_STAGE_COMPOSITES:
rspamd_make_composites (task);
break;
case RSPAMD_TASK_STAGE_POST_FILTERS:
rspamd_lua_call_post_filters (task);
break;
case RSPAMD_TASK_STAGE_DONE:
task->processed_stages |= RSPAMD_TASK_STAGE_DONE;
break;
default:
/* TODO: not implemented stage */
break;
}
if (RSPAMD_TASK_IS_SKIPPED (task)) {
task->processed_stages |= RSPAMD_TASK_STAGE_DONE;
}
task->flags &= ~RSPAMD_TASK_FLAG_PROCESSING;
if (!ret || RSPAMD_TASK_IS_PROCESSED (task)) {
if (!ret) {
/* Set processed flags */
task->processed_stages |= RSPAMD_TASK_STAGE_DONE;
}
msg_debug_task ("task is processed", st);
return ret;
}
if (rspamd_session_events_pending (task->s) != 0) {
/* We have events pending, so we consider this stage as incomplete */
msg_debug_task ("need more work on stage %d", st);
}
else {
/* Mark the current stage as done and go to the next stage */
msg_debug_task ("completed stage %d", st);
task->processed_stages |= st;
/* Reset checkpoint */
task->checkpoint = NULL;
/* Tail recursion */
return rspamd_task_process (task, stages);
}
return ret;
}