X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/935445b29ab2952f928f347e0446bc81ab5f6229..e98fe681743394f8a5c1434d1909b202eac9ad0a:/dhcp6.c diff --git a/dhcp6.c b/dhcp6.c index e422df5..171c1f0 100644 --- a/dhcp6.c +++ b/dhcp6.c @@ -98,21 +98,33 @@ static void dhcp6_send_reply(sessionidt s, tunnelidt t, struct in6_addr *ip6_src } else { + struct dhcp6_opt_h *p_opt_head; + int r; + uint16_t lenopt; + if (list_option.p_mess_hdr->type == DHCP6_REQUEST || list_option.p_opt_rapidcommit) { session[s].dhcpv6_prefix_iaid = ((struct dhcp6_opt_ia_pd *)list_option.p_opt_ia_pd)->iaid; } - p_opt->len = htons(sizeof(struct dhcp6_opt_ia_pd) - sizeof(*p_opt) + sizeof(struct dhcp6_opt_ia_prefix)); + p_opt_head = p_opt; + lenopt = sizeof(struct dhcp6_opt_ia_pd) - sizeof(*p_opt); + p_opt = (struct dhcp6_opt_h *) &((struct dhcp6_opt_ia_pd *)p_opt)[1]; - ((struct dhcp6_opt_ia_prefix *)p_opt)->hdr.code = htons(D6_OPT_IAPREFIX); - ((struct dhcp6_opt_ia_prefix *)p_opt)->hdr.len = htons(sizeof(struct dhcp6_opt_ia_prefix) - sizeof(*p_opt)); - ((struct dhcp6_opt_ia_prefix *)p_opt)->pref_lifetime= (config->dhcp6_preferred_lifetime > 0) ? htonl(config->dhcp6_preferred_lifetime) : 0xFFFFFFFF; - ((struct dhcp6_opt_ia_prefix *)p_opt)->valid_lifetime= (config->dhcp6_valid_lifetime > 0) ? htonl(config->dhcp6_valid_lifetime) : 0xFFFFFFFF; - ((struct dhcp6_opt_ia_prefix *)p_opt)->prefix_len = session[s].ipv6prefixlen; - ((struct dhcp6_opt_ia_prefix *)p_opt)->prefix = session[s].ipv6route; - p_opt = (struct dhcp6_opt_h *) &((struct dhcp6_opt_ia_prefix *)p_opt)[1]; // next option + for (r = 0; r < MAXROUTE6 && session[s].route6[r].ipv6route.s6_addr[0] && session[s].route6[r].ipv6prefixlen; r++) + { + ((struct dhcp6_opt_ia_prefix *)p_opt)->hdr.code = htons(D6_OPT_IAPREFIX); + ((struct dhcp6_opt_ia_prefix *)p_opt)->hdr.len = htons(sizeof(struct dhcp6_opt_ia_prefix) - sizeof(*p_opt)); + ((struct dhcp6_opt_ia_prefix *)p_opt)->pref_lifetime= (config->dhcp6_preferred_lifetime > 0) ? htonl(config->dhcp6_preferred_lifetime) : 0xFFFFFFFF; + ((struct dhcp6_opt_ia_prefix *)p_opt)->valid_lifetime= (config->dhcp6_valid_lifetime > 0) ? htonl(config->dhcp6_valid_lifetime) : 0xFFFFFFFF; + ((struct dhcp6_opt_ia_prefix *)p_opt)->prefix_len = session[s].route6[r].ipv6prefixlen; + ((struct dhcp6_opt_ia_prefix *)p_opt)->prefix = session[s].route6[r].ipv6route; + + p_opt = (struct dhcp6_opt_h *) &((struct dhcp6_opt_ia_prefix *)p_opt)[1]; // next option + lenopt += sizeof(struct dhcp6_opt_ia_prefix); + } + p_opt_head->len = htons(lenopt); } } @@ -257,6 +269,46 @@ static void dhcp6_send_reply(sessionidt s, tunnelidt t, struct in6_addr *ip6_src tunnelsend(b, len + (((uint8_t *) p_ip6_hdr)-b), t); // send it... } +static char * get_msg_type(uint8_t type) +{ + switch(type) + { + case DHCP6_SOLICIT: + { + return "Solicit"; + } + break; + + case DHCP6_REQUEST: + return "Request"; + break; + + case DHCP6_RENEW: + return "Renew"; + break; + + case DHCP6_INFORMATION_REQUEST: + return "Information Request"; + break; + + case DHCP6_REBIND: + return "Rebind"; + break; + + case DHCP6_RELEASE: + return "Release"; + break; + + case DHCP6_DECLINE: + return "Decline"; + break; + + default: + return "Unknown"; + break; + } +} + void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) { struct ip6_hdr *p_ip6_hdr_in; @@ -270,9 +322,9 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) p_ip6_hdr_in = (struct ip6_hdr *) p; p_mess_hdr = (struct dhcp6_mess_hdr *) (p + 48); - LOG(3, s, t, "Got DHCPv6 message Type: %d\n", p_mess_hdr->type); + LOG(3, s, t, "Got DHCPv6 message Type: %s(%d)\n", get_msg_type(p_mess_hdr->type), p_mess_hdr->type); - if (!session[s].ipv6route.s6_addr[0] || !session[s].ipv6prefixlen) + if (!session[s].route6[0].ipv6route.s6_addr[0] || !session[s].route6[0].ipv6prefixlen) return; p_opt = (struct dhcp6_opt_h *) &p_mess_hdr[1]; @@ -326,8 +378,6 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) { case DHCP6_SOLICIT: { - LOG(3, s, t, "..(Type %d = Solicit)\n", p_mess_hdr->type); - if (!list_option.p_opt_clientid) { LOG(3, s, t, "DHCPv6: error no Client-ID\n"); @@ -369,8 +419,6 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) case DHCP6_REQUEST: { - LOG(3, s, t, "..(Type %d = Request)\n", p_mess_hdr->type); - if (!list_option.p_opt_clientid) { LOG(3, s, t, "DHCPv6: error no Client-ID\n"); @@ -416,8 +464,6 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) case DHCP6_RENEW: { - LOG(3, s, t, "..(Type %d = Renew)\n", p_mess_hdr->type); - if (!list_option.p_opt_clientid) { LOG(3, s, t, "DHCPv6: error no Client-ID\n"); @@ -448,8 +494,6 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) case DHCP6_INFORMATION_REQUEST: { - LOG(3, s, t, "..(Type %d = Information Request)\n", p_mess_hdr->type); - if (!list_option.p_opt_clientid) { LOG(3, s, t, "DHCPv6: error no Client-ID\n"); @@ -462,24 +506,20 @@ void dhcpv6_process(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l) case DHCP6_REBIND: { - LOG(3, s, t, "..(Type %d = Rebind)\n", p_mess_hdr->type); } break; case DHCP6_RELEASE: { - LOG(3, s, t, "..(Type %d = Release)\n", p_mess_hdr->type); } break; case DHCP6_DECLINE: { - LOG(3, s, t, "..(Type %d = Decline)\n", p_mess_hdr->type); } break; default: - LOG(3, s, t, "Got unknown DHCPv6 Type: %d\n", *(p + 38)); break; }