diff options
Diffstat (limited to 'accel-pptpd/ppp/lcp_opt_magic.c')
| -rw-r--r-- | accel-pptpd/ppp/lcp_opt_magic.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/accel-pptpd/ppp/lcp_opt_magic.c b/accel-pptpd/ppp/lcp_opt_magic.c index cec40ce..166c85c 100644 --- a/accel-pptpd/ppp/lcp_opt_magic.c +++ b/accel-pptpd/ppp/lcp_opt_magic.c @@ -64,6 +64,9 @@ static int magic_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt); struct lcp_opt32_t *opt32=(struct lcp_opt32_t*)ptr; + if (!ptr) + return LCP_OPT_NAK; + if (magic_opt->magic==ntohl(opt32->val)) { log_ppp_error("loop detected"); |