| /* |
| * dhcpcd - DHCP client daemon |
| * Copyright (c) 2006-2013 Roy Marples <roy@marples.name> |
| * All rights reserved |
| |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef IPV4_H |
| #define IPV4_H |
| |
| #include "dhcpcd.h" |
| |
| struct rt { |
| TAILQ_ENTRY(rt) next; |
| struct in_addr dest; |
| struct in_addr net; |
| struct in_addr gate; |
| const struct interface *iface; |
| int metric; |
| struct in_addr src; |
| }; |
| TAILQ_HEAD(rt_head, rt); |
| |
| #ifdef INET |
| int ipv4_init(void); |
| int inet_ntocidr(struct in_addr); |
| int inet_cidrtoaddr(int, struct in_addr *); |
| uint32_t ipv4_getnetmask(uint32_t); |
| |
| void ipv4_buildroutes(void); |
| void ipv4_applyaddr(void *); |
| int ipv4_routedeleted(const struct rt *); |
| |
| void ipv4_handleifa(int, const char *, |
| struct in_addr *, struct in_addr *, struct in_addr *); |
| |
| int ipv4_doaddress(const char *, |
| struct in_addr *, struct in_addr *, struct in_addr *, int); |
| int if_address(const struct interface *, |
| const struct in_addr *, const struct in_addr *, |
| const struct in_addr *, int); |
| #define ipv4_addaddress(iface, addr, net, brd) \ |
| if_address(iface, addr, net, brd, 1) |
| #define ipv4_setaddress(iface, addr, net, brd) \ |
| if_address(iface, addr, net, brd, 2) |
| #define ipv4_deleteaddress(iface, addr, net) \ |
| if_address(iface, addr, net, NULL, -1) |
| #define ipv4_hasaddress(iface, addr, net) \ |
| ipv4_doaddress(iface, addr, net, NULL, 0) |
| #define ipv4_getaddress(iface, addr, net, dst) \ |
| ipv4_doaddress(iface, addr, net, dst, 1) |
| |
| int if_route(const struct rt *rt, int); |
| #define ipv4_addroute(rt) if_route(rt, 1) |
| #define ipv4_changeroute(rt) if_route(rt, 0) |
| #define ipv4_deleteroute(rt) if_route(rt, -1) |
| #define del_src_route(rt) i_route(rt, -2); |
| void ipv4_freeroutes(struct rt_head *); |
| |
| int ipv4_opensocket(struct interface *, int); |
| ssize_t ipv4_sendrawpacket(const struct interface *, |
| int, const void *, ssize_t); |
| ssize_t ipv4_getrawpacket(struct interface *, int, void *, ssize_t, int *); |
| #else |
| #define ipv4_init() -1 |
| #define ipv4_applyaddr(a) {} |
| #define ipv4_freeroutes(a) {} |
| #endif |
| |
| #endif |