Fix Coverity Scan CID 140733 (Calling strncpy with a maximum size argument of 16 bytes on destination array ifr.ifr_ifrn.ifrn_name of size 16 bytes might leave the destination string unterminated.)

2019-06-20 12:01:46 +09:00
parent 8fe94b2f2c
commit 88042616cd
1 changed files with 1 additions and 1 deletions
@@ -81,7 +81,7 @@ static int tun_alloc(char *dev) {
  ifr.ifr_flags = IFF_TUN | IFF_NO_PI;

  if( *dev )
-    strncpy(ifr.ifr_name, dev, IFNAMSIZ);
+    strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name)-1);

  if( (err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 ) {
    close(fd);