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57 lines
2.6 KiB
C
57 lines
2.6 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright 2006-2008 Roy Marples <roy@marples.name>
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef DHCPF_H
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#define DHCPF_H
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#include "dhcp.h"
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#include "if-options.h"
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#include "net.h"
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#define add_option_mask(var, val) (var[val >> 3] |= 1 << (val & 7))
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#define del_option_mask(var, val) (var[val >> 3] &= ~(1 << (val & 7)))
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#define has_option_mask(var, val) (var[val >> 3] & (1 << (val & 7)))
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int make_option_mask(uint8_t *, const char *, int);
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void print_options(void);
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char *get_option_string(const struct dhcp_message *, uint8_t);
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int get_option_addr(uint32_t *, const struct dhcp_message *, uint8_t);
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int get_option_uint32(uint32_t *, const struct dhcp_message *, uint8_t);
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int get_option_uint16(uint16_t *, const struct dhcp_message *, uint8_t);
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int get_option_uint8(uint8_t *, const struct dhcp_message *, uint8_t);
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#define is_bootp(m) (m && get_option_uint8(NULL, m, DHO_MESSAGETYPE) == -1)
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struct rt *get_option_routes(const struct dhcp_message *);
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ssize_t configure_env(char **, const char *, const struct dhcp_message *,
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const struct if_options *);
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ssize_t make_message(struct dhcp_message **, const struct interface *, uint8_t);
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int valid_dhcp_packet(unsigned char *);
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ssize_t write_lease(const struct interface *, const struct dhcp_message *);
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struct dhcp_message *read_lease(const struct interface *);
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void get_lease(struct dhcp_lease *, const struct dhcp_message *);
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#endif
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