diff options
| author |   deraadt <deraadt@openbsd.org> | 1996-08-16 23:24:58 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1996-08-16 23:24:58 +0000 |
| commit | 6dbbbab849fa24854aa84713b03faa5ac830dccb (patch) | |
| tree | 0218e6d47d3b4106cdf9edc06551215799a320f7 | |
| parent | only safe ioctl (diff) | |
| download | wireguard-openbsd-6dbbbab849fa24854aa84713b03faa5ac830dccb.tar.xz wireguard-openbsd-6dbbbab849fa24854aa84713b03faa5ac830dccb.zip | |
buf oflow; from dholland@hcs.harvard.edu
| -rw-r--r-- | usr.sbin/rwhod/rwhod.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.sbin/rwhod/rwhod.c b/usr.sbin/rwhod/rwhod.c index 8a1accd50d9..631ba54b439 100644 --- a/usr.sbin/rwhod/rwhod.c +++ b/usr.sbin/rwhod/rwhod.c @@ -39,7 +39,7 @@ static char copyright[] = #ifndef lint /*static char sccsid[] = "@(#)rwhod.c 8.1 (Berkeley) 6/6/93";*/ -static char rcsid[] = "$Id: rwhod.c,v 1.1.1.1 1995/10/18 08:48:07 deraadt Exp $"; +static char rcsid[] = "$Id: rwhod.c,v 1.2 1996/08/16 23:24:58 deraadt Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -193,12 +193,13 @@ main(argc, argv) continue; if (wd.wd_type != WHODTYPE_STATUS) continue; + wd.wd_hostname[sizeof(wd.wd_hostname)-1] = '\0'; if (!verify(wd.wd_hostname)) { syslog(LOG_WARNING, "malformed host name from %x", from.sin_addr); continue; } - (void) sprintf(path, "whod.%s", wd.wd_hostname); + (void) snprintf(path, sizeof path, "whod.%s", wd.wd_hostname); /* * Rather than truncating and growing the file each time, * use ftruncate if size is less than previous size. |