networkd: dhcp add vendor class indentifier option 60

[elogind.git] / src / libsystemd-network / sd-dhcp-client.c

diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 6b19666c3bc46707a44ce6aecb105be3d9635ef0..3c389931cd17583a9ce01646dbcdb962f796a56e 100644 (file)
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -57,6 +57,7 @@ struct sd_dhcp_client {
                 struct ether_addr mac_addr;
         } _packed_ client_id;
         char *hostname;
+        char *vendor_class_identifier;
         uint32_t xid;
         usec_t start_time;
         uint16_t secs;
@@ -200,6 +201,23 @@ int sd_dhcp_client_set_hostname(sd_dhcp_client *client,
         return 0;
 }
 
+int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client,
+                                               const char *vci) {
+        char *new_vci = NULL;
+
+        assert_return(client, -EINVAL);
+
+        new_vci = strdup(vci);
+        if (!new_vci)
+                return -ENOMEM;
+
+        free(client->vendor_class_identifier);
+
+        client->vendor_class_identifier = new_vci;
+
+        return 0;
+}
+
 int sd_dhcp_client_get_lease(sd_dhcp_client *client, sd_dhcp_lease **ret) {
         assert_return(client, -EINVAL);
         assert_return(ret, -EINVAL);
@@ -419,6 +437,15 @@ static int client_send_discover(sd_dhcp_client *client) {
                         return r;
         }
 
+        if (client->vendor_class_identifier) {
+                r = dhcp_option_append(&discover->dhcp, optlen, &optoffset, 0,
+                                       DHCP_OPTION_VENDOR_CLASS_IDENTIFIER,
+                                       strlen(client->vendor_class_identifier),
+                                       client->vendor_class_identifier);
+                if (r < 0)
+                        return r;
+        }
+
         r = dhcp_option_append(&discover->dhcp, optlen, &optoffset, 0,
                                DHCP_OPTION_END, 0, NULL);
         if (r < 0)
@@ -1406,6 +1433,7 @@ sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client) {
 
                 free(client->req_opts);
                 free(client->hostname);
+                free(client->vendor_class_identifier);
                 free(client);
         }