This file is part of systemd.
Copyright (C) 2013 Intel Corporation. All rights reserved.
+ Copyright (C) 2014 Tom Gundersen
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
#include "dhcp-protocol.h"
int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link);
-int dhcp_network_bind_udp_socket(int index, be32_t client_address);
+int dhcp_network_bind_udp_socket(int index, be32_t address, uint16_t port);
int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
const void *packet, size_t len);
-int dhcp_network_send_udp_socket(int s, be32_t server_address,
+int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port,
const void *packet, size_t len);
int dhcp_option_append(uint8_t **buf, size_t *buflen, uint8_t code,
typedef int (*dhcp_option_cb_t)(uint8_t code, uint8_t len,
const uint8_t *option, void *user_data);
+
int dhcp_option_parse(DHCPMessage *message, size_t len,
dhcp_option_cb_t cb, void *user_data);
+
+int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid, uint8_t type,
+ uint16_t secs, uint8_t **opt, size_t *optlen);
+
+void dhcp_packet_append_ip_headers(DHCPPacket *packet, uint8_t op, uint16_t len);
+
+int dhcp_packet_verify_headers(DHCPPacket *packet, uint8_t op, size_t len);