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-rw-r--r--src/libsystemd/sd-dhcp-client.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/libsystemd/sd-dhcp-client.c b/src/libsystemd/sd-dhcp-client.c
index 26ed35e5fe..908f844671 100644
--- a/src/libsystemd/sd-dhcp-client.c
+++ b/src/libsystemd/sd-dhcp-client.c
@@ -44,6 +44,7 @@ struct DHCPLease {
struct in_addr *dns;
size_t dns_size;
uint16_t mtu;
+ char *domainname;
char *hostname;
};
@@ -237,6 +238,32 @@ int sd_dhcp_client_get_dns(sd_dhcp_client *client, struct in_addr **addr, size_t
return 0;
}
+int sd_dhcp_client_get_domainname(sd_dhcp_client *client, const char **domainname) {
+ assert_return(client, -EINVAL);
+ assert_return(domainname, -EINVAL);
+
+ switch (client->state) {
+ case DHCP_STATE_INIT:
+ case DHCP_STATE_SELECTING:
+ case DHCP_STATE_INIT_REBOOT:
+ case DHCP_STATE_REBOOTING:
+ case DHCP_STATE_REQUESTING:
+ return -EADDRNOTAVAIL;
+
+ case DHCP_STATE_BOUND:
+ case DHCP_STATE_RENEWING:
+ case DHCP_STATE_REBINDING:
+ if (client->lease->domainname)
+ *domainname = client->lease->domainname;
+ else
+ return -ENOENT;
+
+ break;
+ }
+
+ return 0;
+}
+
int sd_dhcp_client_get_hostname(sd_dhcp_client *client, const char **hostname) {
assert_return(client, -EINVAL);
assert_return(hostname, -EINVAL);
@@ -336,6 +363,7 @@ static void lease_free(DHCPLease *lease) {
return;
free(lease->hostname);
+ free(lease->domainname);
free(lease->dns);
free(lease);
}
@@ -832,6 +860,14 @@ static int client_parse_offer(uint8_t code, uint8_t len, const uint8_t *option,
break;
+ case DHCP_OPTION_DOMAIN_NAME:
+ if (len >= 1) {
+ free(lease->domainname);
+ lease->domainname = strndup((const char *)option, len);
+ }
+
+ break;
+
case DHCP_OPTION_HOST_NAME:
if (len >= 1) {
free(lease->hostname);