- if (opt) {
- have_update |= odhcp6c_commit_state(STATE_DNS, dns_len);
- have_update |= odhcp6c_commit_state(STATE_SEARCH, search_len);
- size_t new_ia_pd_len, new_ia_na_len;
- odhcp6c_get_state(STATE_IA_PD, &new_ia_pd_len);
- odhcp6c_get_state(STATE_IA_NA, &new_ia_na_len);
- have_update |= (new_ia_pd_len != ia_pd_len) ||
- (new_ia_na_len != ia_na_len);
- }
-
- // Delete prefixes with 0 valid-time
- ia_pd = odhcp6c_get_state(STATE_IA_PD, &ia_pd_len);
- ia_end = ia_pd + ia_pd_len;
- dhcpv6_for_each_option(ia_pd, ia_end, otype, olen, odata) {
- struct dhcpv6_ia_prefix *p = (void*)&odata[-4];
- while (!p->valid) {
- ia_end = ia_pd + odhcp6c_remove_state(STATE_IA_PD,
- (uint8_t*)p - ia_pd, olen + 4);
- have_update = true;
+ dhcpv6_handle_status_code(orig, code, mdata, mlen, &ret);
+ passthru = false;
+ }
+ else if (otype == DHCPV6_OPT_DNS_SERVERS) {
+ if (olen % 16 == 0)
+ odhcp6c_add_state(STATE_DNS, odata, olen);
+ } else if (otype == DHCPV6_OPT_DNS_DOMAIN) {
+ odhcp6c_add_state(STATE_SEARCH, odata, olen);
+ } else if (otype == DHCPV6_OPT_SNTP_SERVERS) {
+ if (olen % 16 == 0)
+ odhcp6c_add_state(STATE_SNTP_IP, odata, olen);
+ } else if (otype == DHCPV6_OPT_NTP_SERVER) {
+ uint16_t stype, slen;
+ uint8_t *sdata;
+ // Test status and bail if error
+ dhcpv6_for_each_option(odata, odata + olen,
+ stype, slen, sdata) {
+ if (slen == 16 && (stype == NTP_MC_ADDR ||
+ stype == NTP_SRV_ADDR))
+ odhcp6c_add_state(STATE_NTP_IP,
+ sdata, slen);
+ else if (slen > 0 && stype == NTP_SRV_FQDN)
+ odhcp6c_add_state(STATE_NTP_FQDN,
+ sdata, slen);
+ }
+ } else if (otype == DHCPV6_OPT_SIP_SERVER_A) {
+ if (olen == 16)
+ odhcp6c_add_state(STATE_SIP_IP, odata, olen);
+ } else if (otype == DHCPV6_OPT_SIP_SERVER_D) {
+ odhcp6c_add_state(STATE_SIP_FQDN, odata, olen);
+ } else if (otype == DHCPV6_OPT_INFO_REFRESH && olen >= 4) {
+ refresh = ntohl(*((uint32_t*)odata));
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_AUTH) {
+ if (olen == -4 + sizeof(struct dhcpv6_auth_reconfigure)) {
+ struct dhcpv6_auth_reconfigure *r = (void*)&odata[-4];
+ if (r->protocol == 3 && r->algorithm == 1 &&
+ r->reconf_type == 1)
+ memcpy(reconf_key, r->key, sizeof(r->key));
+ }
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_AFTR_NAME && olen > 3) {
+ size_t cur_len;
+ odhcp6c_get_state(STATE_AFTR_NAME, &cur_len);
+ if (cur_len == 0)
+ odhcp6c_add_state(STATE_AFTR_NAME, odata, olen);
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_SOL_MAX_RT && olen == 4) {
+ uint32_t sol_max_rt = ntohl(*((uint32_t *)odata));
+ if (sol_max_rt >= DHCPV6_SOL_MAX_RT_MIN &&
+ sol_max_rt <= DHCPV6_SOL_MAX_RT_MAX)
+ dhcpv6_retx[DHCPV6_MSG_SOLICIT].max_timeo = sol_max_rt;
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_INF_MAX_RT && olen == 4) {
+ uint32_t inf_max_rt = ntohl(*((uint32_t *)odata));
+ if (inf_max_rt >= DHCPV6_INF_MAX_RT_MIN &&
+ inf_max_rt <= DHCPV6_INF_MAX_RT_MAX)
+ dhcpv6_retx[DHCPV6_MSG_INFO_REQ].max_timeo = inf_max_rt;
+ passthru = false;
+ #ifdef EXT_CER_ID
+ } else if (otype == DHCPV6_OPT_CER_ID && olen == -4 +
+ sizeof(struct dhcpv6_cer_id)) {
+ struct dhcpv6_cer_id *cer_id = (void*)&odata[-4];
+ struct in6_addr any = IN6ADDR_ANY_INIT;
+ if (memcmp(&cer_id->addr, &any, sizeof(any)))
+ odhcp6c_add_state(STATE_CER, &cer_id->addr, sizeof(any));
+ passthru = false;
+ #endif
+ } else if (otype == DHCPV6_OPT_S46_CONT_MAPT) {
+ odhcp6c_add_state(STATE_S46_MAPT, odata, olen);
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_S46_CONT_MAPE) {
+ size_t mape_len;
+ odhcp6c_get_state(STATE_S46_MAPE, &mape_len);
+ if (mape_len == 0)
+ odhcp6c_add_state(STATE_S46_MAPE, odata, olen);
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_S46_CONT_LW) {
+ odhcp6c_add_state(STATE_S46_LW, odata, olen);
+ passthru = false;
+ } else if (otype == DHCPV6_OPT_CLIENTID ||
+ otype == DHCPV6_OPT_SERVERID ||
+ otype == DHCPV6_OPT_IA_TA ||
+ otype == DHCPV6_OPT_PREF ||
+ otype == DHCPV6_OPT_UNICAST ||
+ otype == DHCPV6_OPT_FQDN ||
+ otype == DHCPV6_OPT_RECONF_ACCEPT) {
+ passthru = false;
+ } else {
+ odhcp6c_add_state(STATE_CUSTOM_OPTS, &odata[-4], olen + 4);
+ }
+
+ if (passthru)
+ odhcp6c_add_state(STATE_PASSTHRU, &odata[-4], olen + 4);