diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-02-24 20:21:33 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-02-24 20:21:33 +0000 |
| commit | f9810176bc800a60b3771e7392d938c83db26178 (patch) | |
| tree | cadff64cb101bd61eacb25efa5db514888a7737c | |
| parent | a7d581324ae3e83118321b830dc7b13a7055765c (diff) | |
udp time may be contacted at dynamic reserved
| -rw-r--r-- | usr.sbin/inetd/inetd.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/usr.sbin/inetd/inetd.c b/usr.sbin/inetd/inetd.c index cc90b1a9188..c54241c5606 100644 --- a/usr.sbin/inetd/inetd.c +++ b/usr.sbin/inetd/inetd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: inetd.c,v 1.44 1997/12/23 23:46:16 deraadt Exp $ */ +/* $OpenBSD: inetd.c,v 1.45 1998/02/24 20:21:32 deraadt Exp $ */ /* $NetBSD: inetd.c,v 1.11 1996/02/22 11:14:41 mycroft Exp $ */ /* * Copyright (c) 1983,1991 The Regents of the University of California. @@ -41,7 +41,7 @@ char copyright[] = #ifndef lint /*static char sccsid[] = "from: @(#)inetd.c 5.30 (Berkeley) 6/3/91";*/ -static char rcsid[] = "$OpenBSD: inetd.c,v 1.44 1997/12/23 23:46:16 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: inetd.c,v 1.45 1998/02/24 20:21:32 deraadt Exp $"; #endif /* not lint */ /* @@ -1768,12 +1768,15 @@ machtime_dg(s, sep) { u_int result; struct sockaddr sa; + struct sockaddr_in *sin; int size; size = sizeof(sa); if (recvfrom(s, (char *)&result, sizeof(result), 0, &sa, &size) < 0) return; - if (dg_badinput((struct sockaddr_in *)&sa)) + sin = (struct sockaddr_in *)&sa; + if (sin->sin_addr.s_addr == htonl(INADDR_BROADCAST) || + ntohs(sin->sin_port) < IPPORT_RESERVED/2) return; result = machtime(); (void) sendto(s, (char *) &result, sizeof(result), 0, &sa, sizeof(sa)); |