Add support for DHCPv6 option passthru

[odhcp6c.git] / src / script.c

diff --git a/src/script.c b/src/script.c
index 9325085c362c3c34a3c03e5b9ababbe866e2220d..389dc3708b05c1bb97d1597dfa4c67ef4502a937 100644 (file)
--- a/src/script.c
+++ b/src/script.c
@@ -359,7 +359,7 @@ void script_call(const char *status)
 {
        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;
+       size_t s46_mapt_len, s46_mape_len, s46_lw_len, passthru_len;
 
        odhcp6c_expire();
        if (delayed_call) {
@@ -380,6 +380,7 @@ void script_call(const char *status)
        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);
@@ -410,6 +411,11 @@ void script_call(const char *status)
                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);