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