| /* |
| * 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 { |
| u_int8_t bp_op; /* packet opcode type */ |
| u_int8_t bp_htype; /* hardware addr type */ |
| u_int8_t bp_hlen; /* hardware addr length */ |
| u_int8_t bp_hops; /* gateway hops */ |
| u_int32_t bp_xid; /* transaction ID */ |
| u_int16_t bp_secs; /* seconds since boot began */ |
| u_int16_t bp_flags; /* flags - see bootp_flag_values[] |
| in print-bootp.c */ |
| 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 */ |
| u_int8_t bp_chaddr[16]; /* client hardware address */ |
| u_int8_t bp_sname[64]; /* server host name */ |
| u_int8_t bp_file[128]; /* boot file name */ |
| u_int8_t bp_vend[64]; /* vendor-specific area */ |
| } UNALIGNED; |
| |
| /* |
| * UDP port numbers, server and client. |
| */ |
| #define IPPORT_BOOTPS 67 |
| #define IPPORT_BOOTPC 68 |
| |
| #define BOOTPREPLY 2 |
| #define BOOTPREQUEST 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 ((u_int8_t) 0) |
| #define TAG_SUBNET_MASK ((u_int8_t) 1) |
| #define TAG_TIME_OFFSET ((u_int8_t) 2) |
| #define TAG_GATEWAY ((u_int8_t) 3) |
| #define TAG_TIME_SERVER ((u_int8_t) 4) |
| #define TAG_NAME_SERVER ((u_int8_t) 5) |
| #define TAG_DOMAIN_SERVER ((u_int8_t) 6) |
| #define TAG_LOG_SERVER ((u_int8_t) 7) |
| #define TAG_COOKIE_SERVER ((u_int8_t) 8) |
| #define TAG_LPR_SERVER ((u_int8_t) 9) |
| #define TAG_IMPRESS_SERVER ((u_int8_t) 10) |
| #define TAG_RLP_SERVER ((u_int8_t) 11) |
| #define TAG_HOSTNAME ((u_int8_t) 12) |
| #define TAG_BOOTSIZE ((u_int8_t) 13) |
| #define TAG_END ((u_int8_t) 255) |
| /* RFC1497 tags */ |
| #define TAG_DUMPPATH ((u_int8_t) 14) |
| #define TAG_DOMAINNAME ((u_int8_t) 15) |
| #define TAG_SWAP_SERVER ((u_int8_t) 16) |
| #define TAG_ROOTPATH ((u_int8_t) 17) |
| #define TAG_EXTPATH ((u_int8_t) 18) |
| /* RFC2132 */ |
| #define TAG_IP_FORWARD ((u_int8_t) 19) |
| #define TAG_NL_SRCRT ((u_int8_t) 20) |
| #define TAG_PFILTERS ((u_int8_t) 21) |
| #define TAG_REASS_SIZE ((u_int8_t) 22) |
| #define TAG_DEF_TTL ((u_int8_t) 23) |
| #define TAG_MTU_TIMEOUT ((u_int8_t) 24) |
| #define TAG_MTU_TABLE ((u_int8_t) 25) |
| #define TAG_INT_MTU ((u_int8_t) 26) |
| #define TAG_LOCAL_SUBNETS ((u_int8_t) 27) |
| #define TAG_BROAD_ADDR ((u_int8_t) 28) |
| #define TAG_DO_MASK_DISC ((u_int8_t) 29) |
| #define TAG_SUPPLY_MASK ((u_int8_t) 30) |
| #define TAG_DO_RDISC ((u_int8_t) 31) |
| #define TAG_RTR_SOL_ADDR ((u_int8_t) 32) |
| #define TAG_STATIC_ROUTE ((u_int8_t) 33) |
| #define TAG_USE_TRAILERS ((u_int8_t) 34) |
| #define TAG_ARP_TIMEOUT ((u_int8_t) 35) |
| #define TAG_ETH_ENCAP ((u_int8_t) 36) |
| #define TAG_TCP_TTL ((u_int8_t) 37) |
| #define TAG_TCP_KEEPALIVE ((u_int8_t) 38) |
| #define TAG_KEEPALIVE_GO ((u_int8_t) 39) |
| #define TAG_NIS_DOMAIN ((u_int8_t) 40) |
| #define TAG_NIS_SERVERS ((u_int8_t) 41) |
| #define TAG_NTP_SERVERS ((u_int8_t) 42) |
| #define TAG_VENDOR_OPTS ((u_int8_t) 43) |
| #define TAG_NETBIOS_NS ((u_int8_t) 44) |
| #define TAG_NETBIOS_DDS ((u_int8_t) 45) |
| #define TAG_NETBIOS_NODE ((u_int8_t) 46) |
| #define TAG_NETBIOS_SCOPE ((u_int8_t) 47) |
| #define TAG_XWIN_FS ((u_int8_t) 48) |
| #define TAG_XWIN_DM ((u_int8_t) 49) |
| #define TAG_NIS_P_DOMAIN ((u_int8_t) 64) |
| #define TAG_NIS_P_SERVERS ((u_int8_t) 65) |
| #define TAG_MOBILE_HOME ((u_int8_t) 68) |
| #define TAG_SMPT_SERVER ((u_int8_t) 69) |
| #define TAG_POP3_SERVER ((u_int8_t) 70) |
| #define TAG_NNTP_SERVER ((u_int8_t) 71) |
| #define TAG_WWW_SERVER ((u_int8_t) 72) |
| #define TAG_FINGER_SERVER ((u_int8_t) 73) |
| #define TAG_IRC_SERVER ((u_int8_t) 74) |
| #define TAG_STREETTALK_SRVR ((u_int8_t) 75) |
| #define TAG_STREETTALK_STDA ((u_int8_t) 76) |
| /* DHCP options */ |
| #define TAG_REQUESTED_IP ((u_int8_t) 50) |
| #define TAG_IP_LEASE ((u_int8_t) 51) |
| #define TAG_OPT_OVERLOAD ((u_int8_t) 52) |
| #define TAG_TFTP_SERVER ((u_int8_t) 66) |
| #define TAG_BOOTFILENAME ((u_int8_t) 67) |
| #define TAG_DHCP_MESSAGE ((u_int8_t) 53) |
| #define TAG_SERVER_ID ((u_int8_t) 54) |
| #define TAG_PARM_REQUEST ((u_int8_t) 55) |
| #define TAG_MESSAGE ((u_int8_t) 56) |
| #define TAG_MAX_MSG_SIZE ((u_int8_t) 57) |
| #define TAG_RENEWAL_TIME ((u_int8_t) 58) |
| #define TAG_REBIND_TIME ((u_int8_t) 59) |
| #define TAG_VENDOR_CLASS ((u_int8_t) 60) |
| #define TAG_CLIENT_ID ((u_int8_t) 61) |
| /* RFC 2241 */ |
| #define TAG_NDS_SERVERS ((u_int8_t) 85) |
| #define TAG_NDS_TREE_NAME ((u_int8_t) 86) |
| #define TAG_NDS_CONTEXT ((u_int8_t) 87) |
| /* RFC 2242 */ |
| #define TAG_NDS_IPDOMAIN ((u_int8_t) 62) |
| #define TAG_NDS_IPINFO ((u_int8_t) 63) |
| /* RFC 2485 */ |
| #define TAG_OPEN_GROUP_UAP ((u_int8_t) 98) |
| /* RFC 2563 */ |
| #define TAG_DISABLE_AUTOCONF ((u_int8_t) 116) |
| /* RFC 2610 */ |
| #define TAG_SLP_DA ((u_int8_t) 78) |
| #define TAG_SLP_SCOPE ((u_int8_t) 79) |
| /* RFC 2937 */ |
| #define TAG_NS_SEARCH ((u_int8_t) 117) |
| /* RFC 3011 */ |
| #define TAG_IP4_SUBNET_SELECT ((u_int8_t) 118) |
| /* RFC 3442 */ |
| #define TAG_CLASSLESS_STATIC_RT ((u_int8_t) 121) |
| #define TAG_CLASSLESS_STA_RT_MS ((u_int8_t) 249) |
| /* ftp://ftp.isi.edu/.../assignments/bootp-dhcp-extensions */ |
| #define TAG_USER_CLASS ((u_int8_t) 77) |
| #define TAG_SLP_NAMING_AUTH ((u_int8_t) 80) |
| #define TAG_CLIENT_FQDN ((u_int8_t) 81) |
| #define TAG_AGENT_CIRCUIT ((u_int8_t) 82) |
| #define TAG_AGENT_REMOTE ((u_int8_t) 83) |
| #define TAG_AGENT_MASK ((u_int8_t) 84) |
| #define TAG_TZ_STRING ((u_int8_t) 88) |
| #define TAG_FQDN_OPTION ((u_int8_t) 89) |
| #define TAG_AUTH ((u_int8_t) 90) |
| #define TAG_VINES_SERVERS ((u_int8_t) 91) |
| #define TAG_SERVER_RANK ((u_int8_t) 92) |
| #define TAG_CLIENT_ARCH ((u_int8_t) 93) |
| #define TAG_CLIENT_NDI ((u_int8_t) 94) |
| #define TAG_CLIENT_GUID ((u_int8_t) 97) |
| #define TAG_LDAP_URL ((u_int8_t) 95) |
| #define TAG_6OVER4 ((u_int8_t) 96) |
| #define TAG_PRINTER_NAME ((u_int8_t) 100) |
| #define TAG_MDHCP_SERVER ((u_int8_t) 101) |
| #define TAG_IPX_COMPAT ((u_int8_t) 110) |
| #define TAG_NETINFO_PARENT ((u_int8_t) 112) |
| #define TAG_NETINFO_PARENT_TAG ((u_int8_t) 113) |
| #define TAG_URL ((u_int8_t) 114) |
| #define TAG_FAILOVER ((u_int8_t) 115) |
| #define TAG_EXTENDED_REQUEST ((u_int8_t) 126) |
| #define TAG_EXTENDED_OPTION ((u_int8_t) 127) |
| |
| |
| /* 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 { |
| u_int8_t 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 */ |
| u_int8_t v_unused[24]; /* currently unused */ |
| } UNALIGNED; |
| |
| |
| /* v_flags values */ |
| #define VF_SMASK 1 /* Subnet mask field contains valid data */ |
| |
| /* RFC 4702 DHCP Client FQDN Option */ |
| |
| #define CLIENT_FQDN_FLAGS_S 0x01 |
| #define CLIENT_FQDN_FLAGS_O 0x02 |
| #define CLIENT_FQDN_FLAGS_E 0x04 |
| #define CLIENT_FQDN_FLAGS_N 0x08 |
