[Feature] Allow base32 keys in maps

src/libutil/map.c

@@ -791,7 +791,7 @@ static const gchar *
 rspamd_map_check_proto (struct rspamd_config *cfg,
 		const gchar *map_line, struct rspamd_map *map)
 {
-	const gchar *pos = map_line, *end;
+	const gchar *pos = map_line, *end, *end_key;
 
 	g_assert (map != NULL);
 	g_assert (pos != NULL);
@@ -805,8 +805,21 @@ rspamd_map_check_proto (struct rspamd_config *cfg,
 
 	if (g_ascii_strncasecmp (pos, "key=", sizeof ("key=") - 1) == 0) {
 		pos += sizeof ("key=") - 1;
+		end_key = memchr (pos, '+', end - pos);
 
-		if (end - pos > 64) {
+		if (end_key != NULL) {
+			map->trusted_pubkey = rspamd_pubkey_from_base32 (pos, end_key - pos,
+					RSPAMD_KEYPAIR_SIGN, RSPAMD_CRYPTOBOX_MODE_25519);
+
+			if (map->trusted_pubkey == NULL) {
+				msg_err_config ("cannot read pubkey from map: %s",
+						map_line);
+				return NULL;
+			}
+			pos = end_key + 1;
+		}
+		else if (end - pos > 64) {
+			/* Try hex encoding */
 			map->trusted_pubkey = rspamd_pubkey_from_hex (pos, 64,
 					RSPAMD_KEYPAIR_SIGN, RSPAMD_CRYPTOBOX_MODE_25519);
 
@@ -815,6 +828,7 @@ rspamd_map_check_proto (struct rspamd_config *cfg,
 						map_line);
 				return NULL;
 			}
+			pos += 64;
 		}
 		else {
 			msg_err_config ("cannot read pubkey from map: %s",
@@ -822,8 +836,6 @@ rspamd_map_check_proto (struct rspamd_config *cfg,
 			return NULL;
 		}
 
-		pos += 64;
-
 		if (*pos == '+' || *pos == ':') {
 			pos ++;
 		}

src/libutil/map_private.h

@@ -72,6 +72,13 @@ struct http_map_data {
 	gboolean request_sent;
 };
 
+enum rspamd_map_http_stage {
+	map_resolve_host2 = 0, /* 2 requests sent */
+	map_resolve_host1, /* 1 requests sent */
+	map_load_file,
+	map_load_pubkey,
+	map_load_signature
+};
 
 struct http_callback_data {
 	struct event_base *ev_base;
@@ -84,13 +91,7 @@ struct http_callback_data {
 	struct rspamd_cryptobox_pubkey *pk;
 	gchar *tmpfile;
 
-	enum {
-		map_resolve_host2 = 0, /* 2 requests sent */
-		map_resolve_host1, /* 1 requests sent */
-		map_load_file,
-		map_load_pubkey,
-		map_load_signature
-	} stage;
+	enum rspamd_map_http_stage stage;
 	gint out_fd;
 	gint fd;