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 8f76652ade592853f89da071014d14f7551bfc1a..596fc1eecac344209e9a8dca29305a9b7a61e971 100644 (file)
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -1493,7 +1493,9 @@ 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);