Stasis/ARI: Fix off-nominal path json memory leaks.

Change-Id: Id569c624c426e3b22a99936473c730592d8b83fb

main/sorcery.c

@@ -1633,6 +1633,7 @@ struct ast_json *ast_sorcery_objectset_json_create(const struct ast_sorcery *sor
 	int res = 0;
 
 	if (!object_type || !json) {
+		ast_json_unref(json);
 		return NULL;
 	}
 

res/ari/resource_asterisk.c

@@ -433,6 +433,10 @@ void ast_ari_asterisk_list_modules(struct ast_variable *headers,
 	struct ast_json *json;
 
 	json = ast_json_array_create();
+	if (!json) {
+		ast_ari_response_alloc_failed(response);
+		return;
+	}
 	ast_update_module_list_data(&process_module_list, NULL, json);
 
 	ast_ari_response_ok(response, json);
@@ -505,6 +509,7 @@ void ast_ari_asterisk_get_module(struct ast_variable *headers,
 		ast_ari_response_error(
 			response, 409, "Conflict",
 			"Module information could not be retrieved");
+		ast_json_unref(json);
 		return;
 	}
 
@@ -667,10 +672,12 @@ void ast_ari_asterisk_list_log_channels(struct ast_variable *headers,
 	if (res == AST_LOGGER_FAILURE) {
 		ast_ari_response_error(response, 500, "Internal Server Error",
 			"Response body is not valid");
+		ast_json_unref(json);
 		return;
 	} else if (res == AST_LOGGER_ALLOC_ERROR) {
 		ast_ari_response_error(response, 500, "Internal Server Error",
 			"Allocation Failed");
+		ast_json_unref(json);
 		return;
 	}
 

res/ari/resource_sounds.c

@@ -202,6 +202,7 @@ void ast_ari_sounds_list(struct ast_variable *headers,
 
 	if (!ast_json_array_size(sounds_blob)) {
 		ast_ari_response_error(response, 404, "Not Found", "No sounds found that matched the query");
+		ast_json_unref(sounds_blob);
 		return;
 	}
 

res/res_ari.c

@@ -984,9 +984,11 @@ static int ast_ari_callback(struct ast_tcptls_session_instance *ser,
 		struct ast_str *buf = ast_str_create(512);
 		char *str = ast_json_dump_string_format(body, ast_ari_json_format());
 
-		if (!buf) {
+		if (!buf || !str) {
 			ast_http_request_close_on_completion(ser);
 			ast_http_error(ser, 500, "Server Error", "Out of memory");
+			ast_json_free(str);
+			ast_free(buf);
 			goto request_failed;
 		}
 

res/stasis/messaging.c

@@ -264,6 +264,7 @@ static struct ast_json *msg_to_json(struct ast_msg *msg)
 
 	json_vars = ast_json_array_create();
 	if (!json_vars) {
+		ast_msg_var_iterator_destroy(it_vars);
 		return NULL;
 	}
 
@@ -272,7 +273,8 @@ static struct ast_json *msg_to_json(struct ast_msg *msg)
 
 		json_tuple = ast_json_pack("{s: s}", name, value);
 		if (!json_tuple) {
-			ast_json_free(json_vars);
+			ast_json_unref(json_vars);
+			ast_msg_var_iterator_destroy(it_vars);
 			return NULL;
 		}