diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-08-06 19:25:36 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-08-06 19:25:36 +0000 |
| commit | 203b51b1af44775d313d21375f491118c48293ae (patch) | |
| tree | 42fabef85571e86dec850149cba0e15c7f3f5944 /usr.bin/wall | |
| parent | 643bba68682a5ca2c9e550c5a528342edbbc1c71 (diff) | |
avoid buf oflow
Diffstat (limited to 'usr.bin/wall')
| -rw-r--r-- | usr.bin/wall/wall.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr.bin/wall/wall.c b/usr.bin/wall/wall.c index 4f2c785c387..d520a16303f 100644 --- a/usr.bin/wall/wall.c +++ b/usr.bin/wall/wall.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wall.c,v 1.2 1996/06/26 05:42:48 deraadt Exp $ */ +/* $OpenBSD: wall.c,v 1.3 1996/08/06 19:25:35 deraadt Exp $ */ /* $NetBSD: wall.c,v 1.6 1994/11/17 07:17:58 jtc Exp $ */ /* @@ -44,7 +44,7 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)wall.c 8.2 (Berkeley) 11/16/93"; #endif -static char rcsid[] = "$OpenBSD: wall.c,v 1.2 1996/06/26 05:42:48 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: wall.c,v 1.3 1996/08/06 19:25:35 deraadt Exp $"; #endif /* not lint */ /* @@ -163,10 +163,11 @@ makemsg(fname) * in column 80, but that can't be helped. */ (void)fprintf(fp, "\r%79s\r\n", " "); - (void)sprintf(lbuf, "Broadcast Message from %s@%s", - whom, hostname); + (void)snprintf(lbuf, sizeof lbuf, + "Broadcast Message from %s@%s", whom, hostname); (void)fprintf(fp, "%-79.79s\007\007\r\n", lbuf); - (void)sprintf(lbuf, " (%s) at %d:%02d ...", ttyname(2), + (void)snprintf(lbuf, sizeof lbuf, + " (%s) at %d:%02d ...", ttyname(2), lt->tm_hour, lt->tm_min); (void)fprintf(fp, "%-79.79s\r\n", lbuf); } |