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Check the return value from rad_cvt_ipv6prefix().

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PR:		bin/89808
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2007-03-01 16:13:56 +00:00
parent 857be7a47c
commit a404ab168e
1 changed files with 7 additions and 1 deletions
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8
usr.sbin/ppp/radius.c
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@ -453,7 +453,13 @@ radius_Process(struct radius *r, int got)
#ifndef NOINET6
case RAD_FRAMED_IPV6_PREFIX:
free(r->ipv6prefix);
r->ipv6prefix = rad_cvt_ipv6prefix(data, len);
if ((r->ipv6prefix = rad_cvt_ipv6prefix(data, len)) == NULL) {
log_Printf(LogERROR, "rad_cvt_ipv6prefix: %s\n",
"Malformed attribute in response");
auth_Failure(r->cx.auth);
rad_close(r->cx.rad);
return;
}
inet_ntop(AF_INET6, &r->ipv6prefix[2], ipv6addr, sizeof(ipv6addr));
log_Printf(log_IsKept(LogRADIUS) ? LogRADIUS : LogPHASE,
" IPv6 %s/%d\n", ipv6addr, r->ipv6prefix[1]);