[Feature] Add filename to log format

conf/logging.inc

@@ -5,7 +5,7 @@ log_format =<<EOD
 id: <$mid>,$if_qid{ qid: <$>,}$if_ip{ ip: $,}$if_user{ user: $,}$if_smtp_from{ from: <$>,}
 (default: $is_spam ($action): [$scores] [$symbols_scores_params]),
 len: $len, time: $time_real real, $time_virtual virtual, dns req: $dns_req,
-digest: <$digest>$if_smtp_rcpts{, rcpts: <$>}$if_mime_rcpt{, mime_rcpt: <$>}
+digest: <$digest>$if_smtp_rcpts{, rcpts: <$>}$if_mime_rcpt{, mime_rcpt: <$>}$if_filename{, file: $}
 EOD
 
 

src/libserver/cfg_file.h

@@ -234,6 +234,7 @@ enum rspamd_log_format_type {
 	RSPAMD_LOG_TIME_VIRTUAL,
 	RSPAMD_LOG_LUA,
 	RSPAMD_LOG_DIGEST,
+	RSPAMD_LOG_FILENAME,
 };
 
 enum rspamd_log_format_flags {

src/libserver/cfg_utils.c

@@ -425,6 +425,9 @@ rspamd_config_process_var (struct rspamd_config *cfg, const rspamd_ftok_t *var,
 			rspamd_ftok_cstr_equal (&tok, "checksum", TRUE)) {
 		type = RSPAMD_LOG_DIGEST;
 	}
+	else if (rspamd_ftok_cstr_equal (&tok, "filename", TRUE)) {
+		type = RSPAMD_LOG_FILENAME;
+	}
 	else {
 		msg_err_config ("unknown log variable: %T", &tok);
 		return FALSE;

src/libserver/task.c

@@ -986,6 +986,11 @@ rspamd_task_log_check_condition (struct rspamd_task *task,
 			ret = TRUE;
 		}
 		break;
+	case RSPAMD_LOG_FILENAME:
+		if (task->msg.fpath) {
+			ret = TRUE;
+		}
+		break;
 	default:
 		ret = TRUE;
 		break;
@@ -1268,6 +1273,7 @@ rspamd_task_log_variable (struct rspamd_task *task,
 	rspamd_fstring_t *res = logbuf;
 	rspamd_ftok_t var = {.begin = NULL, .len = 0};
 	static gchar numbuf[64];
+	static const gchar undef[] = "undef";
 
 	switch (lf->type) {
 	/* String vars */
@@ -1277,8 +1283,8 @@ rspamd_task_log_variable (struct rspamd_task *task,
 			var.len = strlen (var.begin);
 		}
 		else {
-			var.begin = "undef";
-			var.len = 5;
+			var.begin = undef;
+			var.len = sizeof (undef) - 1;
 		}
 		break;
 	case RSPAMD_LOG_QID:
@@ -1287,8 +1293,8 @@ rspamd_task_log_variable (struct rspamd_task *task,
 			var.len = strlen (var.begin);
 		}
 		else {
-			var.begin = "undef";
-			var.len = 5;
+			var.begin = undef;
+			var.len = sizeof (undef) - 1;
 		}
 		break;
 	case RSPAMD_LOG_USER:
@@ -1297,8 +1303,8 @@ rspamd_task_log_variable (struct rspamd_task *task,
 			var.len = strlen (var.begin);
 		}
 		else {
-			var.begin = "undef";
-			var.len = 5;
+			var.begin = undef;
+			var.len = sizeof (undef) - 1;
 		}
 		break;
 	case RSPAMD_LOG_IP:
@@ -1307,8 +1313,8 @@ rspamd_task_log_variable (struct rspamd_task *task,
 			var.len = strlen (var.begin);
 		}
 		else {
-			var.begin = "undef";
-			var.len = 5;
+			var.begin = undef;
+			var.len = sizeof (undef) - 1;
 		}
 		break;
 	/* Numeric vars */
@@ -1376,6 +1382,16 @@ rspamd_task_log_variable (struct rspamd_task *task,
 				(gint)sizeof (task->digest), task->digest);
 		var.begin = numbuf;
 		break;
+	case RSPAMD_LOG_FILENAME:
+		if (task->msg.fpath) {
+			var.len = strlen (task->msg.fpath);
+			var.begin = task->msg.fpath;
+		}
+		else {
+			var.begin = undef;
+			var.len = sizeof (undef) - 1;
+		}
+		break;
 	default:
 		var = rspamd_task_log_metric_res (task, lf);
 		break;