/* Attempts to parse the content of 'rpc->parser' (which is complete JSON) as a
* JSON-RPC message. If successful, returns the JSON-RPC message. On failure,
* signals an error on 'rpc' with jsonrpc_error() and returns NULL. */
static struct jsonrpc_msg *
jsonrpc_parse_received_message(struct jsonrpc *rpc)
{
struct jsonrpc_msg *msg;
struct json *json;
char *error;
json = json_parser_finish(rpc->parser);
rpc->parser = NULL;
if (json->type == JSON_STRING) {
VLOG_WARN_RL(&rl, "%s: error parsing stream: %s",
rpc->name, json_string(json));
jsonrpc_error(rpc, EPROTO);
json_destroy(json);
return NULL;
}
error = jsonrpc_msg_from_json(json, &msg);
if (error) {
VLOG_WARN_RL(&rl, "%s: received bad JSON-RPC message: %s",
rpc->name, error);
free(error);
jsonrpc_error(rpc, EPROTO);
return NULL;
}
jsonrpc_log_msg(rpc, "received", msg);
return msg;
}
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
if (!size || data[size - 1]) {
return 0;
}
struct json *j1 = json_from_string((const char *)data);
if (j1->type == JSON_STRING) {
json_destroy(j1);
return 0;
}
free(json_to_string(j1, JSSF_SORT | JSSF_PRETTY));
struct jsonrpc_msg *msg;
char *error = jsonrpc_msg_from_json(j1, &msg); /* Frees 'j1'. */
if (error) {
free(error);
return 0;
}
struct json *j2 = jsonrpc_msg_to_json(msg); /* Frees 'msg'. */
if (j2->type == JSON_STRING) {
json_destroy(j2);
return 0;
}
free(json_to_string(j2, JSSF_SORT | JSSF_PRETTY));
json_destroy(j2);
return 0;
}
