148 lines
4.9 KiB
C
148 lines
4.9 KiB
C
/************************************************************************
|
||
Copyright 1988, 1991 by Carnegie Mellon University
|
||
|
||
All Rights Reserved
|
||
|
||
Permission to use, copy, modify, and distribute this software and its
|
||
documentation for any purpose and without fee is hereby granted, provided
|
||
that the above copyright notice appear in all copies and that both that
|
||
copyright notice and this permission notice appear in supporting
|
||
documentation, and that the name of Carnegie Mellon University not be used
|
||
in advertising or publicity pertaining to distribution of the software
|
||
without specific, written prior permission.
|
||
|
||
CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
|
||
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
|
||
IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
|
||
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
||
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||
ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
||
SOFTWARE.
|
||
************************************************************************/
|
||
|
||
/*
|
||
* Bootstrap Protocol (BOOTP). RFC951 and RFC1395.
|
||
*
|
||
* $Id$
|
||
*
|
||
*
|
||
* This file specifies the "implementation-independent" BOOTP protocol
|
||
* information which is common to both client and server.
|
||
*
|
||
*/
|
||
|
||
#include "bptypes.h" /* for int32, u_int32 */
|
||
|
||
#define BP_CHADDR_LEN 16
|
||
#define BP_SNAME_LEN 64
|
||
#define BP_FILE_LEN 128
|
||
#define BP_VEND_LEN 64
|
||
#define BP_MINPKTSZ 300 /* to check sizeof(struct bootp) */
|
||
|
||
struct bootp {
|
||
unsigned char bp_op; /* packet opcode type */
|
||
unsigned char bp_htype; /* hardware addr type */
|
||
unsigned char bp_hlen; /* hardware addr length */
|
||
unsigned char bp_hops; /* gateway hops */
|
||
unsigned int32 bp_xid; /* transaction ID */
|
||
unsigned short bp_secs; /* seconds since boot began */
|
||
unsigned short bp_flags; /* RFC1532 broadcast, etc. */
|
||
struct in_addr bp_ciaddr; /* client IP address */
|
||
struct in_addr bp_yiaddr; /* 'your' IP address */
|
||
struct in_addr bp_siaddr; /* server IP address */
|
||
struct in_addr bp_giaddr; /* gateway IP address */
|
||
unsigned char bp_chaddr[BP_CHADDR_LEN]; /* client hardware address */
|
||
char bp_sname[BP_SNAME_LEN]; /* server host name */
|
||
char bp_file[BP_FILE_LEN]; /* boot file name */
|
||
unsigned char bp_vend[BP_VEND_LEN]; /* vendor-specific area */
|
||
/* note that bp_vend can be longer, extending to end of packet. */
|
||
};
|
||
|
||
/*
|
||
* UDP port numbers, server and client.
|
||
*/
|
||
#define IPPORT_BOOTPS 67
|
||
#define IPPORT_BOOTPC 68
|
||
|
||
#define BOOTREPLY 2
|
||
#define BOOTREQUEST 1
|
||
|
||
/*
|
||
* Hardware types from Assigned Numbers RFC.
|
||
*/
|
||
#define HTYPE_ETHERNET 1
|
||
#define HTYPE_EXP_ETHERNET 2
|
||
#define HTYPE_AX25 3
|
||
#define HTYPE_PRONET 4
|
||
#define HTYPE_CHAOS 5
|
||
#define HTYPE_IEEE802 6
|
||
#define HTYPE_ARCNET 7
|
||
|
||
/*
|
||
* Vendor magic cookie (v_magic) for CMU
|
||
*/
|
||
#define VM_CMU "CMU"
|
||
|
||
/*
|
||
* Vendor magic cookie (v_magic) for RFC1048
|
||
*/
|
||
#define VM_RFC1048 { 99, 130, 83, 99 }
|
||
|
||
|
||
|
||
/*
|
||
* Tag values used to specify what information is being supplied in
|
||
* the vendor (options) data area of the packet.
|
||
*/
|
||
/* RFC 1048 */
|
||
#define TAG_END ((unsigned char) 255)
|
||
#define TAG_PAD ((unsigned char) 0)
|
||
#define TAG_SUBNET_MASK ((unsigned char) 1)
|
||
#define TAG_TIME_OFFSET ((unsigned char) 2)
|
||
#define TAG_GATEWAY ((unsigned char) 3)
|
||
#define TAG_TIME_SERVER ((unsigned char) 4)
|
||
#define TAG_NAME_SERVER ((unsigned char) 5)
|
||
#define TAG_DOMAIN_SERVER ((unsigned char) 6)
|
||
#define TAG_LOG_SERVER ((unsigned char) 7)
|
||
#define TAG_COOKIE_SERVER ((unsigned char) 8)
|
||
#define TAG_LPR_SERVER ((unsigned char) 9)
|
||
#define TAG_IMPRESS_SERVER ((unsigned char) 10)
|
||
#define TAG_RLP_SERVER ((unsigned char) 11)
|
||
#define TAG_HOST_NAME ((unsigned char) 12)
|
||
#define TAG_BOOT_SIZE ((unsigned char) 13)
|
||
/* RFC 1395 */
|
||
#define TAG_DUMP_FILE ((unsigned char) 14)
|
||
#define TAG_DOMAIN_NAME ((unsigned char) 15)
|
||
#define TAG_SWAP_SERVER ((unsigned char) 16)
|
||
#define TAG_ROOT_PATH ((unsigned char) 17)
|
||
/* RFC 1497 */
|
||
#define TAG_EXTEN_FILE ((unsigned char) 18)
|
||
/* RFC 1533 */
|
||
#define TAG_NIS_DOMAIN ((unsigned char) 40)
|
||
#define TAG_NIS_SERVER ((unsigned char) 41)
|
||
#define TAG_NTP_SERVER ((unsigned char) 42)
|
||
/* DHCP maximum message size. */
|
||
#define TAG_MAX_MSGSZ ((unsigned char) 57)
|
||
|
||
/* XXX - Add new tags here */
|
||
|
||
|
||
/*
|
||
* "vendor" data permitted for CMU bootp clients.
|
||
*/
|
||
|
||
struct cmu_vend {
|
||
char v_magic[4]; /* magic number */
|
||
unsigned int32 v_flags; /* flags/opcodes, etc. */
|
||
struct in_addr v_smask; /* Subnet mask */
|
||
struct in_addr v_dgate; /* Default gateway */
|
||
struct in_addr v_dns1, v_dns2; /* Domain name servers */
|
||
struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
|
||
struct in_addr v_ts1, v_ts2; /* Time servers */
|
||
int32 v_unused[6]; /* currently unused */
|
||
};
|
||
|
||
|
||
/* v_flags values */
|
||
#define VF_SMASK 1 /* Subnet mask field contains valid data */
|