Unix socket: Path length check directly before copying the path.

This is not needed as the string is always short enough, anyway
it may be needed in future and one strlen during BIRD start is
cheap enough.

diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index f6cc0e3283423f02b7543bce298cacb2b1f630cd..9d54a2c3574b77a70647e5ccc8aa3ab58b1d075f 100644 (file)
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -1495,7 +1495,9 @@ sk_open_unix(sock *s, char *name)
   if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
     return -1;
 
-  /* Path length checked in test_old_bird() */
+  /* Path length checked in test_old_bird() but we may need unix sockets for other reasons in future */
+  ASSERT_DIE(strlen(name) < sizeof(sa.sun_path));
+
   sa.sun_family = AF_UNIX;
   strcpy(sa.sun_path, name);