diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 2001-09-07 01:19:16 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 2001-09-07 01:19:16 +0000 |
| commit | 4c516b9028ec072ca31f4db999191171864c6a6d (patch) | |
| tree | 93a510ec9fd91484c94c9cb63143dc5cec08ff12 | |
| parent | 33a69936586a4962e8a6773fe17a42b58cb7abf9 (diff) | |
Sanity check length of -u argument to avoid truncation later on.
| -rw-r--r-- | usr.bin/mail/main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.bin/mail/main.c b/usr.bin/mail/main.c index 94e262fa549..1eb210a0204 100644 --- a/usr.bin/mail/main.c +++ b/usr.bin/mail/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.12 2000/06/30 16:00:19 millert Exp $ */ +/* $OpenBSD: main.c,v 1.13 2001/09/07 01:19:15 millert Exp $ */ /* $NetBSD: main.c,v 1.7 1997/05/13 06:15:57 mikel Exp $ */ /* @@ -44,7 +44,7 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/20/95"; #else -static char rcsid[] = "$OpenBSD: main.c,v 1.12 2000/06/30 16:00:19 millert Exp $"; +static char rcsid[] = "$OpenBSD: main.c,v 1.13 2001/09/07 01:19:15 millert Exp $"; #endif #endif /* not lint */ @@ -114,6 +114,8 @@ main(argc, argv) /* * Next argument is person to pretend to be. */ + if (strlen(optarg) >= MAXLOGNAME) + errx(1, "username `%s' too long"); unsetenv("MAIL"); myname = optarg; uflag = 1; |