gdhcp: Add RFC 1533- and 2132-compliant client-id option

[framework/connectivity/connman.git] / gdhcp / client.c

diff --git a/gdhcp/client.c b/gdhcp/client.c
index c11f019..a3b4b8a 100644 (file)
--- a/gdhcp/client.c
+++ b/gdhcp/client.c
@@ -2470,6 +2470,28 @@ static uint8_t *alloc_dhcp_string_option(int code, const char *str)
        return alloc_dhcp_data_option(code, (const uint8_t *)str, strlen(str));
 }
 
+GDHCPClientError g_dhcp_client_set_id(GDHCPClient *dhcp_client)
+{
+       const unsigned maclen = 6;
+       const unsigned idlen = maclen + 1;
+       const uint8_t option_code = G_DHCP_CLIENT_ID;
+       uint8_t idbuf[idlen];
+       uint8_t *data_option;
+
+       idbuf[0] = ARPHRD_ETHER;
+
+       memcpy(&idbuf[1], dhcp_client->mac_address, maclen);
+
+       data_option = alloc_dhcp_data_option(option_code, idbuf, idlen);
+       if (data_option == NULL)
+               return G_DHCP_CLIENT_ERROR_NOMEM;
+
+       g_hash_table_insert(dhcp_client->send_value_hash,
+               GINT_TO_POINTER((int) option_code), data_option);
+
+       return G_DHCP_CLIENT_ERROR_NONE;
+}
+
 /* Now only support send hostname */
 GDHCPClientError g_dhcp_client_set_send(GDHCPClient *dhcp_client,
                unsigned char option_code, const char *option_value)