1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright (C) 2013 Intel Corporation. All rights reserved.
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include <linux/if_packet.h>
27 #include "socket-util.h"
29 #include "dhcp-protocol.h"
31 int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link);
32 int dhcp_network_bind_udp_socket(int index, be32_t client_address);
33 int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
34 const void *packet, size_t len);
35 int dhcp_network_send_udp_socket(int s, be32_t server_address,
36 const void *packet, size_t len);
38 int dhcp_option_append(uint8_t **buf, size_t *buflen, uint8_t code,
39 size_t optlen, const void *optval);
41 typedef int (*dhcp_option_cb_t)(uint8_t code, uint8_t len,
42 const uint8_t *option, void *user_data);
43 int dhcp_option_parse(DHCPMessage *message, size_t len,
44 dhcp_option_cb_t cb, void *user_data);