diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:20 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:20 -0800 |
commit | d97c47cad830d00c9da685cc4ea157d6185f6c97 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /net.h | |
parent | 4c5a5fb53bccceff331bae70f748bf9b4609fe0a (diff) | |
download | external_dhcpcd-d97c47cad830d00c9da685cc4ea157d6185f6c97.zip external_dhcpcd-d97c47cad830d00c9da685cc4ea157d6185f6c97.tar.gz external_dhcpcd-d97c47cad830d00c9da685cc4ea157d6185f6c97.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'net.h')
-rw-r--r-- | net.h | 176 |
1 files changed, 0 insertions, 176 deletions
@@ -1,176 +0,0 @@ -/* - * dhcpcd - DHCP client daemon - * Copyright 2006-2008 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 INTERFACE_H -#define INTERFACE_H - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/socket.h> - -#include <net/if.h> -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include <limits.h> - -#include "config.h" - -#ifndef DUID_LEN -# define DUID_LEN 128 + 2 -#endif - -#define EUI64_ADDR_LEN 8 -#define INFINIBAND_ADDR_LEN 20 - -/* Linux 2.4 doesn't define this */ -#ifndef ARPHRD_IEEE1394 -# define ARPHRD_IEEE1394 24 -#endif - -/* The BSD's don't define this yet */ -#ifndef ARPHRD_INFINIBAND -# define ARPHRD_INFINIBAND 32 -#endif - -#define HWADDR_LEN 20 - -/* Work out if we have a private address or not - * 10/8 - * 172.16/12 - * 192.168/16 - */ -#ifndef IN_PRIVATE -# define IN_PRIVATE(addr) (((addr & IN_CLASSA_NET) == 0x0a000000) || \ - ((addr & 0xfff00000) == 0xac100000) || \ - ((addr & IN_CLASSB_NET) == 0xc0a80000)) -#endif - -#define LINKLOCAL_ADDR 0xa9fe0000 -#define LINKLOCAL_MASK IN_CLASSB_NET -#define LINKLOCAL_BRDC (LINKLOCAL_ADDR | ~LINKLOCAL_MASK) - -#ifndef IN_LINKLOCAL -# define IN_LINKLOCAL(addr) ((addr & IN_CLASSB_NET) == LINKLOCAL_ADDR) -#endif - -/* There is an argument that this should be converted to an STAIL using - * queue(3). However, that isn't readily available on all libc's that - * dhcpcd works on. The only benefit of STAILQ over this is the ability to - * quickly loop backwards through the list - currently we reverse the list - * and then move through it forwards. This isn't that much of a big deal - * though as the norm is to just have one default route, and an IPV4LL route. - * You can (and do) get more routes in the DHCP message, but not enough to - * really warrant a change to STAIL queue for performance reasons. */ -struct rt { - struct in_addr dest; - struct in_addr net; - struct in_addr gate; - struct rt *next; -}; - -struct interface -{ - char name[IF_NAMESIZE]; - sa_family_t family; - unsigned char hwaddr[HWADDR_LEN]; - size_t hwlen; - int arpable; - - int raw_fd; - int udp_fd; - int arp_fd; - int link_fd; - size_t buffer_size, buffer_len, buffer_pos; - unsigned char *buffer; - - struct in_addr addr; - struct in_addr net; - struct rt *routes; - - char leasefile[PATH_MAX]; - time_t start_uptime; - - unsigned char *clientid; -}; - -uint32_t get_netmask(uint32_t); -char *hwaddr_ntoa(const unsigned char *, size_t); -size_t hwaddr_aton(unsigned char *, const char *); - -struct interface *read_interface(const char *, int); -int do_mtu(const char *, short int); -#define get_mtu(iface) do_mtu(iface, 0) -#define set_mtu(iface, mtu) do_mtu(iface, mtu) - -int inet_ntocidr(struct in_addr); -int inet_cidrtoaddr(int, struct in_addr *); - -int up_interface(const char *); -int do_interface(const char *, unsigned char *, size_t *, - struct in_addr *, struct in_addr *, int); -int if_address(const char *, const struct in_addr *, const struct in_addr *, - const struct in_addr *, int); -#define add_address(ifname, addr, net, brd) \ - if_address(ifname, addr, net, brd, 1) -#define del_address(ifname, addr, net) \ - if_address(ifname, addr, net, NULL, -1) -#define has_address(ifname, addr, net) \ - do_interface(ifname, NULL, NULL, addr, net, 0) -#define get_address(ifname, addr, net) \ - do_interface(ifname, NULL, NULL, addr, net, 1) - -int if_route(const char *, const struct in_addr *, const struct in_addr *, - const struct in_addr *, int, int); -#define add_route(ifname, dest, mask, gate, metric) \ - if_route(ifname, dest, mask, gate, metric, 1) -#define change_route(ifname, dest, mask, gate, metric) \ - if_route(ifname, dest, mask, gate, metric, 0) -#define del_route(ifname, dest, mask, gate, metric) \ - if_route(ifname, dest, mask, gate, metric, -1) -void free_routes(struct rt *); - -int open_udp_socket(struct interface *); -const size_t udp_dhcp_len; -ssize_t make_udp_packet(uint8_t **, const uint8_t *, size_t, - struct in_addr, struct in_addr); -ssize_t get_udp_data(const uint8_t **, const uint8_t *); -int valid_udp_packet(const uint8_t *); - -int open_socket(struct interface *, int); -ssize_t send_packet(const struct interface *, struct in_addr, - const uint8_t *, ssize_t); -ssize_t send_raw_packet(const struct interface *, int, - const void *, ssize_t); -ssize_t get_raw_packet(struct interface *, int, void *, ssize_t); - -int send_arp(const struct interface *, int, in_addr_t, in_addr_t); - -int open_link_socket(struct interface *); -int link_changed(struct interface *); -int carrier_status(const char *); -#endif |