144 lines
3.6 KiB
C
144 lines
3.6 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 "control.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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struct interface *find_interface(const char *);
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int handle_args(struct fd_list *, int, char **);
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void handle_interface(int, const char *);
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void handle_hwaddr(const char *, unsigned char *, size_t);
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void handle_ifa(int, const char *,
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struct in_addr *, struct in_addr *, struct in_addr *);
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void handle_exit_timeout(void *);
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void start_interface(void *);
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void start_discover(void *);
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void start_request(void *);
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void start_renew(void *);
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void start_rebind(void *);
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void start_reboot(struct interface *);
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void start_expire(void *);
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void send_decline(struct interface *);
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void open_sockets(struct interface *);
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void close_sockets(struct interface *);
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void drop_config(struct interface *, const char *);
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int select_profile(struct interface *, const char *);
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#endif
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