Implement RFC 3319 options

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index e93d894935122af9cfbbfc3661eed2bff581015c..9a451d0568232896c084ed33d3138f46a35f5e59 100644 (file)
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -574,12 +574,15 @@ static int dhcpv6_handle_reply(_unused enum dhcpv6_msg orig,
        t1 = t2 = t3 = 86400;
 
        size_t ia_na_len, dns_len, search_len, sntp_ip_len, sntp_dns_len;
+       size_t sip_ip_len, sip_fqdn_len;
        uint8_t *ia_na = odhcp6c_get_state(STATE_IA_NA, &ia_na_len);
        uint8_t *ia_end;
        odhcp6c_get_state(STATE_DNS, &dns_len);
        odhcp6c_get_state(STATE_SEARCH, &search_len);
        odhcp6c_get_state(STATE_SNTP_IP, &sntp_ip_len);
        odhcp6c_get_state(STATE_SNTP_FQDN, &sntp_dns_len);
+       odhcp6c_get_state(STATE_SIP_IP, &sip_ip_len);
+       odhcp6c_get_state(STATE_SIP_FQDN, &sip_fqdn_len);
 
        // Decrease valid and preferred lifetime of prefixes
        size_t ia_pd_len;
@@ -648,7 +651,8 @@ static int dhcpv6_handle_reply(_unused enum dhcpv6_msg orig,
                                t3 = n;
 
                } else if (otype == DHCPV6_OPT_DNS_SERVERS) {
-                       odhcp6c_add_state(STATE_DNS, odata, olen);
+                       if (olen == 16)
+                               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_NTP_SERVER) {
@@ -665,6 +669,11 @@ static int dhcpv6_handle_reply(_unused enum dhcpv6_msg orig,
                                        odhcp6c_add_state(STATE_SNTP_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) {
                        uint32_t refresh = ntohl(*((uint32_t*)odata));
                        if (refresh < (uint32_t)t1)
@@ -683,6 +692,8 @@ static int dhcpv6_handle_reply(_unused enum dhcpv6_msg orig,
                                sntp_ip_len);
                have_update |= odhcp6c_commit_state(STATE_SNTP_FQDN,
                                sntp_dns_len);
+               have_update |= odhcp6c_commit_state(STATE_SIP_IP, sip_ip_len);
+               have_update |= odhcp6c_commit_state(STATE_SIP_FQDN, sip_fqdn_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);

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index f3634d2dd714b9152040e569c6534889d5aa2c17..163db09356bfc68dbc7fde4af925f4514b463ba5 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -173,6 +173,8 @@ int main(_unused int argc, char* const argv[])
                odhcp6c_clear_state(STATE_IA_PD_LOST);
                odhcp6c_clear_state(STATE_SNTP_IP);
                odhcp6c_clear_state(STATE_SNTP_FQDN);
+               odhcp6c_clear_state(STATE_SIP_IP);
+               odhcp6c_clear_state(STATE_SIP_FQDN);
                dhcpv6_set_ia_na_mode(ia_na_mode);
 
                alarm(timeout);

diff --git a/src/odhcp6c.h b/src/odhcp6c.h
index 2b3ce9f2507f08f49a5d3ced4373d8e05ff16884..442393b0b5bde7aeac8d6769aba379c0ccaf7dc7 100644 (file)
--- a/src/odhcp6c.h
+++ b/src/odhcp6c.h
@@ -49,6 +49,8 @@ enum dhcvp6_opt {
        DHCPV6_OPT_INFO_REFRESH = 32,
        DHCPV6_OPT_FQDN = 39,
        DHCPV6_OPT_NTP_SERVER = 56,
+       DHCPV6_OPT_SIP_SERVER_D = 21,
+       DHCPV6_OPT_SIP_SERVER_A = 22,
 };
 
 enum dhcpv6_opt_npt {
@@ -159,6 +161,8 @@ enum odhcp6c_state {
        STATE_CUSTOM_OPTS,
        STATE_SNTP_IP,
        STATE_SNTP_FQDN,
+       STATE_SIP_IP,
+       STATE_SIP_FQDN,
        _STATE_MAX
 };
 

diff --git a/src/script.c b/src/script.c
index d082ff69fc06b819edc97c1fe6b367fd32424b1d..ae791cc1d2913d01939a8a80230f41e4784aaa02 100644 (file)
--- a/src/script.c
+++ b/src/script.c
@@ -160,11 +160,15 @@ void script_call(const char *status)
 {
        syslog(LOG_WARNING, "State for %s changed to %s", argv[1], status);
        size_t dns_len, search_len, custom_len, sntp_ip_len, sntp_dns_len;
+       size_t sip_ip_len, sip_fqdn_len;
+
        struct in6_addr *dns = odhcp6c_get_state(STATE_DNS, &dns_len);
        uint8_t *search = odhcp6c_get_state(STATE_SEARCH, &search_len);
        uint8_t *custom = odhcp6c_get_state(STATE_CUSTOM_OPTS, &custom_len);
        struct in6_addr *sntp = odhcp6c_get_state(STATE_SNTP_IP, &sntp_ip_len);
        uint8_t *sntp_dns = odhcp6c_get_state(STATE_SNTP_FQDN, &sntp_dns_len);
+       struct in6_addr *sip = odhcp6c_get_state(STATE_SIP_IP, &sip_ip_len);
+       uint8_t *sip_fqdn = odhcp6c_get_state(STATE_SIP_FQDN, &sip_fqdn_len);
 
        size_t prefix_len, lost_pd_len;
        uint8_t *prefix = odhcp6c_get_state(STATE_IA_PD, &prefix_len);
@@ -174,8 +178,10 @@ void script_call(const char *status)
        if (fork() == 0) {
                ipv6_to_env("RDNSS", dns, dns_len / sizeof(*dns));
                ipv6_to_env("SNTP_IP", sntp, sntp_ip_len / sizeof(*sntp));
+               ipv6_to_env("SIP_IP", sip, sip_ip_len / sizeof(*sip));
                fqdn_to_env("DOMAINS", search, search_len);
                fqdn_to_env("SNTP_FQDN", sntp_dns, sntp_dns_len);
+               fqdn_to_env("SIP_DOMAIN", sip_fqdn, sip_fqdn_len);
                bin_to_env(custom, custom_len);
                prefix_to_env("PREFIXES", prefix, prefix_len);
                prefix_to_env("PREFIXES_LOST", lost_pd, lost_pd_len);