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warn instead of print 802.11 nwid with bad length field.

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This commit is contained in:
onoe 2000-07-06 00:50:49 +00:00
parent 5297dab6a8
commit 197deeeff8
1 changed files with 7 additions and 4 deletions
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11
sbin/ifconfig/ifconfig.c
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@ -1,4 +1,4 @@
/* $NetBSD: ifconfig.c,v 1.82 2000/07/05 02:35:55 onoe Exp $ */
/* $NetBSD: ifconfig.c,v 1.83 2000/07/06 00:50:49 onoe Exp $ */
/*-
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
@ -80,7 +80,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
#if 0
static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
#else
__RCSID("$NetBSD: ifconfig.c,v 1.82 2000/07/05 02:35:55 onoe Exp $");
__RCSID("$NetBSD: ifconfig.c,v 1.83 2000/07/06 00:50:49 onoe Exp $");
#endif
#endif /* not lint */
@ -1108,8 +1108,7 @@ setifnwid(val, d)
val += 2;
}
if (*val != '\0') {
errno = EINVAL;
warn("SIOCS80211NWID");
warnx("SIOCS80211NWID: Bad hexdecimal digits.");
return;
}
nwid.i_len = p - nwid.i_nwid;
@ -1134,6 +1133,10 @@ ieee80211_status()
(void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0)
return;
if (nwid.i_len > IEEE80211_NWID_LEN) {
warnx("SIOCS80211NWID: wrong length of nwid (%d)", nwid.i_len);
return;
}
i = 0;
if (nwid.i_nwid[0] != '0' || tolower(nwid.i_nwid[1]) != 'x') {
for (; i < nwid.i_len; i++) {