diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2001-01-22 00:53:19 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2001-01-22 00:53:19 +0000 |
| commit | 2bd140305e1e16861517150c2af5982a10aa3801 (patch) | |
| tree | cb8c3a9d4fa6ed504a713623e3f4fb71d5609f49 /usr.sbin/timed | |
| parent | 5fa75022a76d00617da21e73a1e8674aa4ec280e (diff) | |
do not accept packets with an unterminated hostname; ben@freebsd
Diffstat (limited to 'usr.sbin/timed')
| -rw-r--r-- | usr.sbin/timed/timed/readmsg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.sbin/timed/timed/readmsg.c b/usr.sbin/timed/timed/readmsg.c index dc6a729bb3b..868e018ad94 100644 --- a/usr.sbin/timed/timed/readmsg.c +++ b/usr.sbin/timed/timed/readmsg.c @@ -36,7 +36,7 @@ static char sccsid[] = "@(#)readmsg.c 5.1 (Berkeley) 5/11/93"; #endif /* not lint */ #ifdef sgi -#ident "$Revision: 1.2 $" +#ident "$Revision: 1.3 $" #endif #include "globals.h" @@ -219,6 +219,13 @@ again: continue; } + if (memchr(msgin.tsp_name, '\0', sizeof msgin.tsp_name) == + NULL) { + syslog(LOG_NOTICE, "hostname field not NUL terminated " + "in packet from %s", inet_ntoa(from.sin_addr)); + continue; + } + fromnet = NULL; for (ntp = nettab; ntp != NULL; ntp = ntp->next) if ((ntp->mask & from.sin_addr.s_addr) == |