diff options
| author | yanick <yanick@cvs.openbsd.org> | 1999-05-03 22:31:15 +0000 |
|---|---|---|
| committer | yanick <yanick@cvs.openbsd.org> | 1999-05-03 22:31:15 +0000 |
| commit | 2443601c066e51722e4fbf02ef25b92cba67be74 (patch) | |
| tree | b151077a5b482ea2335e3161b042eac61ac3d54d /lib/libc/net/inet_addr.c | |
| parent | 79cba73d6ef7deefbea7bc76bded3380f4482a5a (diff) | |
Add octect sanity checking
Diffstat (limited to 'lib/libc/net/inet_addr.c')
| -rw-r--r-- | lib/libc/net/inet_addr.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libc/net/inet_addr.c b/lib/libc/net/inet_addr.c index 5e4dcdafb28..6203ccdaacf 100644 --- a/lib/libc/net/inet_addr.c +++ b/lib/libc/net/inet_addr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: inet_addr.c,v 1.5 1997/04/05 21:13:10 millert Exp $ */ +/* $OpenBSD: inet_addr.c,v 1.6 1999/05/03 22:31:14 yanick Exp $ */ /* * ++Copyright++ 1983, 1990, 1993 @@ -60,7 +60,7 @@ static char sccsid[] = "@(#)inet_addr.c 8.1 (Berkeley) 6/17/93"; static char rcsid[] = "$From: inet_addr.c,v 8.5 1996/08/05 08:31:35 vixie Exp $"; #else -static char rcsid[] = "$OpenBSD: inet_addr.c,v 1.5 1997/04/05 21:13:10 millert Exp $"; +static char rcsid[] = "$OpenBSD: inet_addr.c,v 1.6 1999/05/03 22:31:14 yanick Exp $"; #endif #endif /* LIBC_SCCS and not lint */ @@ -164,19 +164,19 @@ inet_aton(cp, addr) break; case 2: /* a.b -- 8.24 bits */ - if (val > 0xffffff) + if ((val > 0xffffff) || (parts[0] > 0xff)) return (0); val |= parts[0] << 24; break; case 3: /* a.b.c -- 8.8.16 bits */ - if (val > 0xffff) + if ((val > 0xffff) || (parts[0] > 0xff) || (parts[1] > 0xff)) return (0); val |= (parts[0] << 24) | (parts[1] << 16); break; case 4: /* a.b.c.d -- 8.8.8.8 bits */ - if (val > 0xff) + if ((val > 0xff) || (parts[0] > 0xff) || (parts[1] > 0xff) || (parts[2] > 0xff)) return (0); val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); break; |