}
+static void s46_to_env_portparams(const uint8_t *data, size_t len, FILE *fp)
+{
+ uint8_t *odata;
+ uint16_t otype, olen;
+ dhcpv6_for_each_option(data, &data[len], otype, olen, odata) {
+ if (otype == DHCPV6_OPT_S46_PORTPARAMS &&
+ olen == sizeof(struct dhcpv6_s46_portparams)) {
+ struct dhcpv6_s46_portparams *params = (void*)odata;
+ fprintf(fp, "offset=%d,psidlen=%d,psid=%d,",
+ params->offset, params->psid_len, ntohs(params->psid));
+ }
+ }
+}
+
+
+static void s46_to_env(enum odhcp6c_state state, const uint8_t *data, size_t len)
+{
+ const char *name = (state == STATE_S46_MAPE) ? "MAPE" :
+ (state == STATE_S46_MAPT) ? "MAPT" : "LW4O6";
+
+ char *str;
+ size_t strsize;
+
+ FILE *fp = open_memstream(&str, &strsize);
+ fputs(name, fp);
+ fputc('=', fp);
+
+ const char *type = (state == STATE_S46_MAPE) ? "map-e" :
+ (state == STATE_S46_MAPT) ? "map-t" : "lw4o6";
+
+ uint8_t *odata;
+ uint16_t otype, olen;
+ dhcpv6_for_each_option(data, &data[len], otype, olen, odata) {
+ struct dhcpv6_s46_rule *rule = (struct dhcpv6_s46_rule*)odata;
+ struct dhcpv6_s46_dmr *dmr = (struct dhcpv6_s46_dmr*)odata;
+ struct dhcpv6_s46_v4v6bind *bind = (struct dhcpv6_s46_v4v6bind*)odata;
+
+ if (state != STATE_S46_LW && otype == DHCPV6_OPT_S46_RULE &&
+ olen >= sizeof(struct dhcpv6_s46_rule)) {
+ char buf4[INET_ADDRSTRLEN];
+ char buf6[INET6_ADDRSTRLEN];
+ struct in6_addr in6 = IN6ADDR_ANY_INIT;
+
+ size_t prefix6len = rule->prefix6_len;
+ prefix6len = (prefix6len % 8 == 0) ? prefix6len / 8 : prefix6len / 8 + 1;
+
+ if (olen < sizeof(struct dhcpv6_s46_rule) + prefix6len)
+ continue;
+
+ memcpy(&in6, rule->ipv6_prefix, prefix6len);
+
+ inet_ntop(AF_INET, &rule->ipv4_prefix, buf4, sizeof(buf4));
+ inet_ntop(AF_INET6, &in6, buf6, sizeof(buf6));
+
+ if (rule->flags & 1)
+ fputs("fmr,", fp);
+
+ fprintf(fp, "type=%s,ealen=%d,prefix4len=%d,prefix6len=%d,ipv4prefix=%s,ipv6prefix=%s,",
+ type, rule->ea_len, rule->prefix4_len, rule->prefix6_len, buf4, buf6);
+
+ s46_to_env_portparams(&rule->ipv6_prefix[prefix6len],
+ olen - sizeof(*rule) - prefix6len, fp);
+
+ dhcpv6_for_each_option(data, &data[len], otype, olen, odata) {
+ if (state != STATE_S46_MAPT && otype == DHCPV6_OPT_S46_BR &&
+ olen == sizeof(struct in6_addr)) {
+ inet_ntop(AF_INET6, odata, buf6, sizeof(buf6));
+ fprintf(fp, "br=%s,", buf6);
+ } else if (state == STATE_S46_MAPT && otype == DHCPV6_OPT_S46_DMR &&
+ olen >= sizeof(struct dhcpv6_s46_dmr)) {
+ dmr = (struct dhcpv6_s46_dmr*)odata;
+ memset(&in6, 0, sizeof(in6));
+ size_t prefix6len = dmr->dmr_prefix6_len;
+ prefix6len = (prefix6len % 8 == 0) ? prefix6len / 8 : prefix6len / 8 + 1;
+
+ if (olen < sizeof(struct dhcpv6_s46_dmr) + prefix6len)
+ continue;
+
+ memcpy(&in6, dmr->dmr_ipv6_prefix, prefix6len);
+ inet_ntop(AF_INET6, &in6, buf6, sizeof(buf6));
+ fprintf(fp, "dmr=%s/%d,", buf6, dmr->dmr_prefix6_len);
+ }
+ }
+ } else if (state == STATE_S46_LW && otype == DHCPV6_OPT_S46_V4V6BIND &&
+ olen >= sizeof(struct dhcpv6_s46_v4v6bind)) {
+ char buf4[INET_ADDRSTRLEN];
+ char buf6[INET6_ADDRSTRLEN];
+ struct in6_addr in6 = IN6ADDR_ANY_INIT;
+
+ size_t prefix6len = bind->bindprefix6_len;
+ prefix6len = (prefix6len % 8 == 0) ? prefix6len / 8 : prefix6len / 8 + 1;
+
+ if (olen < sizeof(struct dhcpv6_s46_v4v6bind) + prefix6len)
+ continue;
+
+ memcpy(&in6, bind->bind_ipv6_prefix, prefix6len);
+
+ inet_ntop(AF_INET, &bind->ipv4_address, buf4, sizeof(buf4));
+ inet_ntop(AF_INET6, &in6, buf6, sizeof(buf6));
+
+ fprintf(fp, "type=%s,ipv4address=%s,prefix6len=%d,ipv6prefix=%s,",
+ type, buf4, bind->bindprefix6_len, buf6);
+
+ s46_to_env_portparams(&bind->bind_ipv6_prefix[prefix6len],
+ olen - sizeof(*bind) - prefix6len, fp);
+
+ dhcpv6_for_each_option(data, &data[len], otype, olen, odata) {
+ if (otype == DHCPV6_OPT_S46_BR && olen == sizeof(struct in6_addr)) {
+ inet_ntop(AF_INET6, odata, buf6, sizeof(buf6));
+ fprintf(fp, "br=%s,", buf6);
+ }
+ }
+ }
+
+ fputc(' ', fp);
+ }
+
+ fclose(fp);
+ putenv(str);
+}
+
+
static void script_call_delayed(int signal __attribute__((unused)))
{
if (delayed_call)
{
size_t dns_len, search_len, custom_len, sntp_ip_len, ntp_ip_len, ntp_dns_len;
size_t sip_ip_len, sip_fqdn_len, aftr_name_len, cer_len;
+ size_t s46_mapt_len, s46_mape_len, s46_lw_len, passthru_len;
odhcp6c_expire();
if (delayed_call) {
uint8_t *sip_fqdn = odhcp6c_get_state(STATE_SIP_FQDN, &sip_fqdn_len);
uint8_t *aftr_name = odhcp6c_get_state(STATE_AFTR_NAME, &aftr_name_len);
struct in6_addr *cer = odhcp6c_get_state(STATE_CER, &cer_len);
+ uint8_t *s46_mapt = odhcp6c_get_state(STATE_S46_MAPT, &s46_mapt_len);
+ uint8_t *s46_mape = odhcp6c_get_state(STATE_S46_MAPE, &s46_mape_len);
+ uint8_t *s46_lw = odhcp6c_get_state(STATE_S46_LW, &s46_lw_len);
+ uint8_t *passthru = odhcp6c_get_state(STATE_PASSTHRU, &passthru_len);
size_t prefix_len, address_len, ra_pref_len, ra_route_len, ra_dns_len;
uint8_t *prefix = odhcp6c_get_state(STATE_IA_PD, &prefix_len);
fqdn_to_env("AFTR", aftr_name, aftr_name_len);
fqdn_to_ip_env("AFTR_IP", aftr_name, aftr_name_len);
ipv6_to_env("CER", cer, cer_len / sizeof(*cer));
+ s46_to_env(STATE_S46_MAPE, s46_mape, s46_mape_len);
+ s46_to_env(STATE_S46_MAPT, s46_mapt, s46_mapt_len);
+ s46_to_env(STATE_S46_LW, s46_lw, s46_lw_len);
bin_to_env(custom, custom_len);
entry_to_env("PREFIXES", prefix, prefix_len, ENTRY_PREFIX);
entry_to_env("ADDRESSES", address, address_len, ENTRY_ADDRESS);
entry_to_env("RA_ROUTES", ra_route, ra_route_len, ENTRY_ROUTE);
entry_to_env("RA_DNS", ra_dns, ra_dns_len, ENTRY_HOST);
+ char *buf = malloc(10 + passthru_len * 2);
+ strncpy(buf, "PASSTHRU=", 10);
+ script_hexlify(&buf[9], passthru, passthru_len);
+ putenv(buf);
+
argv[2] = (char*)status;
execv(argv[0], argv);
_exit(128);
projects / odhcp6c.git / blobdiff