mirror of
https://github.com/rsmarples/dhcpcd.git
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92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2013 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 IPV4_H
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#define IPV4_H
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#include "dhcpcd.h"
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struct rt {
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TAILQ_ENTRY(rt) next;
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struct in_addr dest;
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struct in_addr net;
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struct in_addr gate;
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const struct interface *iface;
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int metric;
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struct in_addr src;
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};
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TAILQ_HEAD(rt_head, rt);
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#ifdef INET
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int ipv4_init(void);
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int inet_ntocidr(struct in_addr);
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int inet_cidrtoaddr(int, struct in_addr *);
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uint32_t ipv4_getnetmask(uint32_t);
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int ipv4_addrexists(const struct in_addr *);
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void ipv4_buildroutes(void);
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void ipv4_applyaddr(void *);
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int ipv4_routedeleted(const struct rt *);
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void ipv4_handleifa(int, const char *,
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struct in_addr *, struct in_addr *, struct in_addr *);
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int ipv4_doaddress(const char *,
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struct in_addr *, struct in_addr *, struct in_addr *, int);
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int if_address(const struct interface *,
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const struct in_addr *, const struct in_addr *,
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const struct in_addr *, int);
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#define ipv4_addaddress(iface, addr, net, brd) \
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if_address(iface, addr, net, brd, 1)
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#define ipv4_setaddress(iface, addr, net, brd) \
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if_address(iface, addr, net, brd, 2)
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#define ipv4_deleteaddress(iface, addr, net) \
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if_address(iface, addr, net, NULL, -1)
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#define ipv4_hasaddress(iface, addr, net) \
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ipv4_doaddress(iface, addr, net, NULL, 0)
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#define ipv4_getaddress(iface, addr, net, dst) \
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ipv4_doaddress(iface, addr, net, dst, 1)
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int if_route(const struct rt *rt, int);
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#define ipv4_addroute(rt) if_route(rt, 1)
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#define ipv4_changeroute(rt) if_route(rt, 0)
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#define ipv4_deleteroute(rt) if_route(rt, -1)
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#define del_src_route(rt) i_route(rt, -2);
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void ipv4_freeroutes(struct rt_head *);
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int ipv4_opensocket(struct interface *, int);
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ssize_t ipv4_sendrawpacket(const struct interface *,
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int, const void *, ssize_t);
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ssize_t ipv4_getrawpacket(struct interface *, int, void *, ssize_t, int *);
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#else
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#define ipv4_init() -1
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#define ipv4_applyaddr(a) {}
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#define ipv4_freeroutes(a) {}
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#endif
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#endif
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