[Libguestfs] [PATCH 1/6] launch: unix: check for length of sockets

Error out early if the path to the socket will not fit into sockaddr_un::sun_path, as we will not be able to connect to it. --- src/launch-unix.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/launch-unix.c b/src/launch-unix.c index 740c554..973e14b 100644 --- a/src/launch-unix.c +++ b/src/launch-unix.c @@ -47,6 +47,12 @@ launch_unix (guestfs_h *g, void *datav, const char *sockpath) return -1; } + if (strlen (sockpath) > UNIX_PATH_MAX-1) { + error (g, _("socket filename too long (more than %d characters): %s"), + UNIX_PATH_MAX-1, sockpath); + return -1; + } + if (g->verbose) guestfs_int_print_timestamped_message (g, "connecting to %s", sockpath); -- 2.5.0