X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fcmd-2-1.c;h=99aa86668048e719daa4100a09ff425de806dd3a;hp=080dc173fc8361b117b4d335c3c2895bd075342f;hb=5312a3edd938117cb5670de711f237e7b6f2e68c;hpb=2288467f63826a06d25ac361fa04ea92ec7ddfa3 diff --git a/src/bin/lttng-relayd/cmd-2-1.c b/src/bin/lttng-relayd/cmd-2-1.c index 080dc173f..99aa86668 100644 --- a/src/bin/lttng-relayd/cmd-2-1.c +++ b/src/bin/lttng-relayd/cmd-2-1.c @@ -25,14 +25,13 @@ #include #include -#include "cmd-generic.h" #include "cmd-2-1.h" #include "utils.h" /* * cmd_recv_stream_2_1 allocates path_name and channel_name. */ -int cmd_recv_stream_2_1(struct relay_connection *conn, +int cmd_recv_stream_2_1(const struct lttng_buffer_view *payload, char **ret_path_name, char **ret_channel_name) { int ret; @@ -41,11 +40,13 @@ int cmd_recv_stream_2_1(struct relay_connection *conn, char *channel_name = NULL; size_t len; - ret = cmd_recv(conn->sock, &stream_info, sizeof(stream_info)); - if (ret < 0) { - ERR("Unable to recv stream version 2.1"); + if (payload->size < sizeof(stream_info)) { + ERR("Unexpected payload size in \"cmd_recv_stream_2_1\": expected >= %zu bytes, got %zu bytes", + sizeof(stream_info), payload->size); + ret = -1; goto error; } + memcpy(&stream_info, payload->data, sizeof(stream_info)); len = lttng_strnlen(stream_info.pathname, sizeof(stream_info.pathname)); /* Ensure that NULL-terminated and fits in local filename length. */