modules_k/permissions: allow_trusted() doesn't work for HTTP requests

- This is because HTTP requests don't have From: headers.
- Fixed by only checking From-URIs for SIP requests.

modules_k/permissions/hash.c

@@ -218,21 +218,24 @@ int match_hash_table(struct trusted_list** table, struct sip_msg* msg,
 	src_ip.s = src_ip_c_str;
 	src_ip.len = strlen(src_ip.s);
 
-	if (parse_from_header(msg) < 0) return -1;
-	uri = get_from(msg)->uri;
-	if (uri.len > MAX_URI_SIZE) {
-		LM_ERR("from URI too large\n");
-		return -1;
+	if (IS_SIP(msg))
+	{
+		if (parse_from_header(msg) < 0) return -1;
+		uri = get_from(msg)->uri;
+		if (uri.len > MAX_URI_SIZE) {
+			LM_ERR("from URI too large\n");
+			return -1;
+		}
+		memcpy(uri_string, uri.s, uri.len);
+		uri_string[uri.len] = (char)0;
 	}
-	memcpy(uri_string, uri.s, uri.len);
-	uri_string[uri.len] = (char)0;
 
 	for (np = table[perm_hash(src_ip)]; np != NULL; np = np->next) {
 	    if ((np->src_ip.len == src_ip.len) && 
 		(strncmp(np->src_ip.s, src_ip.s, src_ip.len) == 0) &&
 		((np->proto == PROTO_NONE) || (proto == PROTO_NONE) ||
 		 (np->proto == proto))) {
-		if (np->pattern) {
+		if (np->pattern && IS_SIP(msg)) {
 		    if (regcomp(&preg, np->pattern, REG_NOSUB)) {
 			LM_ERR("invalid regular expression\n");
 			continue;

modules_k/permissions/trusted.c

@@ -344,14 +344,16 @@ static int match_res(struct sip_msg* msg, int proto, db1_res_t* _r)
 	int_str tag_avp, avp_val;
 	int count = 0;
 
-	if (parse_from_header(msg) < 0) return -1;
-	uri = get_from(msg)->uri;
-	if (uri.len > MAX_URI_SIZE) {
-		LM_ERR("message has From URI too large\n");
-		return -1;
+	if (IS_SIP(msg)) {
+		if (parse_from_header(msg) < 0) return -1;
+		uri = get_from(msg)->uri;
+		if (uri.len > MAX_URI_SIZE) {
+			LM_ERR("message has From URI too large\n");
+			return -1;
+		}
+		memcpy(uri_string, uri.s, uri.len);
+		uri_string[uri.len] = (char)0;
 	}
-	memcpy(uri_string, uri.s, uri.len);
-	uri_string[uri.len] = (char)0;
 	get_tag_avp(&tag_avp, &tag_avp_type);
 
 	row = RES_ROWS(_r);
@@ -366,7 +368,7 @@ static int match_res(struct sip_msg* msg, int proto, db1_res_t* _r)
 		    (VAL_NULL(val + 2) ||
 		      ((VAL_TYPE(val + 2) == DB1_STRING) && !VAL_NULL(val + 2))))
 		{
-			if (!VAL_NULL(val + 1)) {
+			if (!VAL_NULL(val + 1) && IS_SIP(msg)) {
 				if (regcomp(&preg, (char *)VAL_STRING(val + 1), REG_NOSUB)) {
 					LM_ERR("invalid regular expression\n");
 					continue;