diff options
Diffstat (limited to 'accel-pptpd/ppp/ipcp_opt_dns.c')
| -rw-r--r-- | accel-pptpd/ppp/ipcp_opt_dns.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/accel-pptpd/ppp/ipcp_opt_dns.c b/accel-pptpd/ppp/ipcp_opt_dns.c index b0365da..4c48fd4 100644 --- a/accel-pptpd/ppp/ipcp_opt_dns.c +++ b/accel-pptpd/ppp/ipcp_opt_dns.c @@ -101,6 +101,9 @@ static int dns_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt); struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr; + if (opt32->hdr.len != 6) + return IPCP_OPT_REJ; + if (!dns_opt->addr) { if (dns_opt->opt.id == CI_DNS1 && conf_dns1) dns_opt->addr=conf_dns1; |