2000-01-30 00:45:58 +00:00
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/* @(#) $Header: /tcpdump/master/tcpdump/bootp.h,v 1.8 1999/10/17 23:35:46 mcr Exp $ (LBL) */
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1996-08-19 20:34:12 +00:00
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/*
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* Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
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*
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* This file specifies the "implementation-independent" BOOTP protocol
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* information which is common to both client and server.
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*
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* Copyright 1988 by Carnegie Mellon.
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*
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* Permission to use, copy, modify, and distribute this program for any
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* purpose and without fee is hereby granted, provided that this copyright
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* and permission notice appear on all copies and supporting documentation,
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* the name of Carnegie Mellon not be used in advertising or publicity
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* pertaining to distribution of the program without specific prior
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* permission, and notice be given in supporting documentation that copying
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* and distribution is by permission of Carnegie Mellon and Stanford
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* University. Carnegie Mellon makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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struct bootp {
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unsigned char bp_op; /* packet opcode type */
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unsigned char bp_htype; /* hardware addr type */
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unsigned char bp_hlen; /* hardware addr length */
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unsigned char bp_hops; /* gateway hops */
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u_int32_t bp_xid; /* transaction ID */
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unsigned short bp_secs; /* seconds since boot began */
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2000-01-30 00:45:58 +00:00
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unsigned short bp_flags; /* flags: 0x8000 is broadcast */
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1996-08-19 20:34:12 +00:00
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struct in_addr bp_ciaddr; /* client IP address */
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struct in_addr bp_yiaddr; /* 'your' IP address */
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struct in_addr bp_siaddr; /* server IP address */
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struct in_addr bp_giaddr; /* gateway IP address */
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unsigned char bp_chaddr[16]; /* client hardware address */
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unsigned char bp_sname[64]; /* server host name */
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unsigned char bp_file[128]; /* boot file name */
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unsigned char bp_vend[64]; /* vendor-specific area */
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};
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/*
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* UDP port numbers, server and client.
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*/
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#define IPPORT_BOOTPS 67
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#define IPPORT_BOOTPC 68
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#define BOOTREPLY 2
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#define BOOTREQUEST 1
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/*
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* Vendor magic cookie (v_magic) for CMU
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*/
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#define VM_CMU "CMU"
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/*
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* Vendor magic cookie (v_magic) for RFC1048
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*/
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#define VM_RFC1048 { 99, 130, 83, 99 }
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/*
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* RFC1048 tag values used to specify what information is being supplied in
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* the vendor field of the packet.
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*/
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#define TAG_PAD ((unsigned char) 0)
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#define TAG_SUBNET_MASK ((unsigned char) 1)
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#define TAG_TIME_OFFSET ((unsigned char) 2)
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#define TAG_GATEWAY ((unsigned char) 3)
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#define TAG_TIME_SERVER ((unsigned char) 4)
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#define TAG_NAME_SERVER ((unsigned char) 5)
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#define TAG_DOMAIN_SERVER ((unsigned char) 6)
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#define TAG_LOG_SERVER ((unsigned char) 7)
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#define TAG_COOKIE_SERVER ((unsigned char) 8)
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#define TAG_LPR_SERVER ((unsigned char) 9)
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#define TAG_IMPRESS_SERVER ((unsigned char) 10)
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#define TAG_RLP_SERVER ((unsigned char) 11)
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#define TAG_HOSTNAME ((unsigned char) 12)
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#define TAG_BOOTSIZE ((unsigned char) 13)
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#define TAG_END ((unsigned char) 255)
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/* RFC1497 tags */
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#define TAG_DUMPPATH ((unsigned char) 14)
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#define TAG_DOMAINNAME ((unsigned char) 15)
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#define TAG_SWAP_SERVER ((unsigned char) 16)
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#define TAG_ROOTPATH ((unsigned char) 17)
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#define TAG_EXTPATH ((unsigned char) 18)
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/* RFC2132 */
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#define TAG_IP_FORWARD ((unsigned char) 19)
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#define TAG_NL_SRCRT ((unsigned char) 20)
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#define TAG_PFILTERS ((unsigned char) 21)
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#define TAG_REASS_SIZE ((unsigned char) 22)
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#define TAG_DEF_TTL ((unsigned char) 23)
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#define TAG_MTU_TIMEOUT ((unsigned char) 24)
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#define TAG_MTU_TABLE ((unsigned char) 25)
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#define TAG_INT_MTU ((unsigned char) 26)
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#define TAG_LOCAL_SUBNETS ((unsigned char) 27)
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#define TAG_BROAD_ADDR ((unsigned char) 28)
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#define TAG_DO_MASK_DISC ((unsigned char) 29)
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#define TAG_SUPPLY_MASK ((unsigned char) 30)
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#define TAG_DO_RDISC ((unsigned char) 31)
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#define TAG_RTR_SOL_ADDR ((unsigned char) 32)
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#define TAG_STATIC_ROUTE ((unsigned char) 33)
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#define TAG_USE_TRAILERS ((unsigned char) 34)
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#define TAG_ARP_TIMEOUT ((unsigned char) 35)
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#define TAG_ETH_ENCAP ((unsigned char) 36)
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#define TAG_TCP_TTL ((unsigned char) 37)
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#define TAG_TCP_KEEPALIVE ((unsigned char) 38)
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#define TAG_KEEPALIVE_GO ((unsigned char) 39)
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#define TAG_NIS_DOMAIN ((unsigned char) 40)
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#define TAG_NIS_SERVERS ((unsigned char) 41)
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#define TAG_NTP_SERVERS ((unsigned char) 42)
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#define TAG_VENDOR_OPTS ((unsigned char) 43)
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#define TAG_NETBIOS_NS ((unsigned char) 44)
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#define TAG_NETBIOS_DDS ((unsigned char) 45)
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#define TAG_NETBIOS_NODE ((unsigned char) 46)
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#define TAG_NETBIOS_SCOPE ((unsigned char) 47)
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#define TAG_XWIN_FS ((unsigned char) 48)
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#define TAG_XWIN_DM ((unsigned char) 49)
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#define TAG_NIS_P_DOMAIN ((unsigned char) 64)
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#define TAG_NIS_P_SERVERS ((unsigned char) 65)
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#define TAG_MOBILE_HOME ((unsigned char) 68)
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#define TAG_SMPT_SERVER ((unsigned char) 69)
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#define TAG_POP3_SERVER ((unsigned char) 70)
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#define TAG_NNTP_SERVER ((unsigned char) 71)
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#define TAG_WWW_SERVER ((unsigned char) 72)
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#define TAG_FINGER_SERVER ((unsigned char) 73)
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#define TAG_IRC_SERVER ((unsigned char) 74)
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#define TAG_STREETTALK_SRVR ((unsigned char) 75)
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#define TAG_STREETTALK_STDA ((unsigned char) 76)
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/* DHCP options */
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#define TAG_REQUESTED_IP ((unsigned char) 50)
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#define TAG_IP_LEASE ((unsigned char) 51)
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#define TAG_OPT_OVERLOAD ((unsigned char) 52)
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#define TAG_TFTP_SERVER ((unsigned char) 66)
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#define TAG_BOOTFILENAME ((unsigned char) 67)
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#define TAG_DHCP_MESSAGE ((unsigned char) 53)
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#define TAG_SERVER_ID ((unsigned char) 54)
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#define TAG_PARM_REQUEST ((unsigned char) 55)
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#define TAG_MESSAGE ((unsigned char) 56)
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#define TAG_MAX_MSG_SIZE ((unsigned char) 57)
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#define TAG_RENEWAL_TIME ((unsigned char) 58)
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#define TAG_REBIND_TIME ((unsigned char) 59)
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#define TAG_VENDOR_CLASS ((unsigned char) 60)
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#define TAG_CLIENT_ID ((unsigned char) 61)
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/* DHCP Message types (values for TAG_DHCP_MESSAGE option) */
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#define DHCPDISCOVER 1
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#define DHCPOFFER 2
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#define DHCPREQUEST 3
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#define DHCPDECLINE 4
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#define DHCPACK 5
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#define DHCPNAK 6
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#define DHCPRELEASE 7
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#define DHCPINFORM 8
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1996-08-19 20:34:12 +00:00
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/*
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* "vendor" data permitted for CMU bootp clients.
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*/
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struct cmu_vend {
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unsigned char v_magic[4]; /* magic number */
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u_int32_t v_flags; /* flags/opcodes, etc. */
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struct in_addr v_smask; /* Subnet mask */
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struct in_addr v_dgate; /* Default gateway */
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struct in_addr v_dns1, v_dns2; /* Domain name servers */
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struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
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struct in_addr v_ts1, v_ts2; /* Time servers */
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unsigned char v_unused[24]; /* currently unused */
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};
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/* v_flags values */
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#define VF_SMASK 1 /* Subnet mask field contains valid data */
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