ha.h

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/* $Id: ha.h,v 1.13 2001/02/17 18:19:09 jm Exp $
 * Header file for Home Agent
 *
 * Dynamic hierarchial IP tunnel
 * Copyright (C) 1998-2001, Dynamics group
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation. See README and COPYING for
 * more details.
 */

#ifndef HA_H
#define HA_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

//dhcpstuff added 19.10.2007->
#ifndef _DHCPC_H
#define _DHCPC_H

#include "libbb_udhcp.h"

#define INIT_SELECTING  0
#define REQUESTING      1
#define BOUND           2
#define RENEWING        3
#define REBINDING       4
#define INIT_REBOOT     5
#define RENEW_REQUESTED 6
#define RELEASED        7

#define REQUESTIP       0
#define RENEWIP         1
#define RELEASEIP       2




/************************************/
/* Defaults _you_ may want to tweak */
/************************************/

/* the period of time the client is allowed to use that address */
#define LEASE_TIME              (60*60*24*10) /* 10 days of seconds */

/* where to find the DHCP server configuration file */
#define DHCPD_CONF_FILE         "/etc/udhcpd.conf"

/*****************************************************************/
/* Do not modify below here unless you know what you are doing!! */
/*****************************************************************/

/* DHCP protocol -- see RFC 2131 */
#define SERVER_PORT             67
#define CLIENT_PORT             68

#define DHCP_MAGIC              0x63825363

/* DHCP option codes (partial list) */
#define DHCP_PADDING            0x00
#define DHCP_SUBNET             0x01
#define DHCP_TIME_OFFSET        0x02
#define DHCP_ROUTER             0x03
#define DHCP_TIME_SERVER        0x04
#define DHCP_NAME_SERVER        0x05
#define DHCP_DNS_SERVER         0x06
#define DHCP_LOG_SERVER         0x07
#define DHCP_COOKIE_SERVER      0x08
#define DHCP_LPR_SERVER         0x09
#define DHCP_HOST_NAME          0x0c
#define DHCP_BOOT_SIZE          0x0d
#define DHCP_DOMAIN_NAME        0x0f
#define DHCP_SWAP_SERVER        0x10
#define DHCP_ROOT_PATH          0x11
#define DHCP_IP_TTL             0x17
#define DHCP_MTU                0x1a
#define DHCP_BROADCAST          0x1c
#define DHCP_NTP_SERVER         0x2a
#define DHCP_WINS_SERVER        0x2c
#define DHCP_REQUESTED_IP       0x32
#define DHCP_LEASE_TIME         0x33
#define DHCP_OPTION_OVER        0x34
#define DHCP_MESSAGE_TYPE       0x35
#define DHCP_SERVER_ID          0x36
#define DHCP_PARAM_REQ          0x37
#define DHCP_MESSAGE            0x38
#define DHCP_MAX_SIZE           0x39
#define DHCP_T1                 0x3a
#define DHCP_T2                 0x3b
#define DHCP_VENDOR             0x3c
#define DHCP_CLIENT_ID          0x3d

#define DHCP_END                0xFF


#define BOOTREQUEST             1
#define BOOTREPLY               2

#define ETH_10MB                1
#define ETH_10MB_LEN            6

#define DHCPDISCOVER            1
#define DHCPOFFER               2
#define DHCPREQUEST             3
#define DHCPDECLINE             4
#define DHCPACK                 5
#define DHCPNAK                 6
#define DHCPRELEASE             7
#define DHCPINFORM              8

#define BROADCAST_FLAG          0x8000

#define OPTION_FIELD            0
#define FILE_FIELD              1
#define SNAME_FIELD             2

/* miscellaneous defines */
#define MAC_BCAST_ADDR          (unsigned char *) "\xff\xff\xff\xff\xff\xff"
#define OPT_CODE 0
#define OPT_LEN 1
#define OPT_DATA 2

//<-dhcp stuff

#include "owntypes.h"
#define HA_CONF_FILE         "dynhad.conf"
#define HA_GLOBAL_CONF_FILE  SYSCONFDIR "/" HA_CONF_FILE 

/* The process id of the daemon is saved here to make it easier to
   kill the correct daemon when necessary. */
#define HA_PID_FILE          PIDDIR "/dynhad.pid"

enum { ENCAPS_IPIP, ENCAPS_MINIMAL, ENCAPS_GRE };
enum { AUTH_RFC2002, AUTH_RFC2002BIS };

struct ha_tunnel_data {
        struct in_addr lower_saddr; /* source address of the request */
        __u32 nonce; /* last sent nonce */
        unsigned char auth_type; /* AUTH_RFC2002 for RFC 2002bis MAC
                                  * calculation (i.e., include the SPI field);
                                  * AUTH_RFC2002BIS for RFC 2002 MAC
                                  * calculation */
        int reverse_tunnel; /* 0 = triangle, 1 = reverse */
        int encapsulation; /* encapsulation type */
        char arp_if[IFNAMSIZ]; /* interface used for proxy ARP entry */
        time_t last_failure_time; /* time of the last failure reply */
};



/* dhcpc.h */
//dhcp clientin structin esittely


struct client_config_t {
        char foreground;                /* Do not fork */
        char quit_after_lease;          /* Quit after obtaining lease */
        char abort_if_no_lease;         /* Abort if no lease */
        char background_if_no_lease;    /* Fork to background if no lease */
        char *interface;                /* The name of the interface to use */
        char *pidfile;                  /* Optionally store the process ID */
        char *script;                   /* User script to run at dhcp events */
        unsigned char *clientid;        /* Optional client id to use */
        unsigned char *hostname;        /* Optional hostname to use */
        int ifindex;                    /* Index number of the interface to use */
        unsigned char arp[6];           /* Our arp address */
};

extern struct client_config_t client_config;



#endif //dhcp
#endif /* HA_H */

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