diff options
Diffstat (limited to 'accel-pptpd/ppp/ipcp_opt_ipaddr.c')
| -rw-r--r-- | accel-pptpd/ppp/ipcp_opt_ipaddr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/accel-pptpd/ppp/ipcp_opt_ipaddr.c b/accel-pptpd/ppp/ipcp_opt_ipaddr.c index ddfb3d20..6e52cfab 100644 --- a/accel-pptpd/ppp/ipcp_opt_ipaddr.c +++ b/accel-pptpd/ppp/ipcp_opt_ipaddr.c @@ -10,6 +10,7 @@ #include "ppp_ipcp.h" #include "log.h" #include "ipdb.h" +#include "iprange.h" static struct ipcp_option_t *ipaddr_init(struct ppp_ipcp_t *ipcp); static void ipaddr_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt); @@ -65,6 +66,14 @@ static int ipaddr_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *o log_warn("ppp:ipcp: no free IP address\n"); return -1; } + if (!iprange_client_check(ipaddr_opt->peer_addr)) { + log_warn("ppp:ipcp: to avoid hard loops requested IP cannot be assigned (%i.%i.%i.%i)\n", + ipaddr_opt->peer_addr&0xff, + (ipaddr_opt->peer_addr >> 8)&0xff, + (ipaddr_opt->peer_addr >> 16)&0xff, + (ipaddr_opt->peer_addr >> 24)&0xff); + return -1; + } opt32->hdr.id=CI_ADDR; opt32->hdr.len=6; |