e963960681
for talking to the server and for setting the interface address and route. However, otherwise it is quite different, since we need to be working under the assumptions that there is no stable storage on a rump instance, and that there are n networking stacks on a given host.
123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2010 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 DHCPCD_H
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#define DHCPCD_H
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#include <sys/socket.h>
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#include <net/if.h>
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#include <limits.h>
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#include "dhcp.h"
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#include "if-options.h"
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#define HWADDR_LEN 20
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#define IF_SSIDSIZE 33
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#define PROFILE_LEN 64
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enum DHS {
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DHS_INIT,
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DHS_DISCOVER,
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DHS_REQUEST,
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DHS_BOUND,
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DHS_RENEW,
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DHS_REBIND,
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DHS_REBOOT,
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DHS_INFORM,
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DHS_RENEW_REQUESTED,
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DHS_INIT_IPV4LL,
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DHS_PROBE
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};
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#define LINK_UP 1
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#define LINK_UNKNOWN 0
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#define LINK_DOWN -1
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struct if_state {
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enum DHS state;
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char profile[PROFILE_LEN];
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struct if_options *options;
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struct dhcp_message *sent;
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struct dhcp_message *offer;
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struct dhcp_message *new;
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struct dhcp_message *old;
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struct dhcp_lease lease;
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const char *reason;
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time_t interval;
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time_t nakoff;
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uint32_t xid;
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int socket;
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int probes;
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int claims;
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int conflicts;
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time_t defend;
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struct in_addr fail;
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size_t arping_index;
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};
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struct interface {
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char name[IF_NAMESIZE];
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struct if_state *state;
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int flags;
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sa_family_t family;
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unsigned char hwaddr[HWADDR_LEN];
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size_t hwlen;
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int metric;
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int carrier;
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int wireless;
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char ssid[IF_SSIDSIZE];
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int raw_fd;
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int udp_fd;
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int arp_fd;
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size_t buffer_size, buffer_len, buffer_pos;
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unsigned char *buffer;
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struct in_addr addr;
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struct in_addr net;
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struct in_addr dst;
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char leasefile[PATH_MAX];
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time_t start_uptime;
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unsigned char *clientid;
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struct interface *next;
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};
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extern int pidfd;
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extern int options;
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extern int ifac;
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extern char **ifav;
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extern int ifdc;
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extern char **ifdv;
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extern struct interface *ifaces;
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#endif
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