231 lines
7.8 KiB
C
231 lines
7.8 KiB
C
/*
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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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uint8_t bp_op; /* packet opcode type */
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uint8_t bp_htype; /* hardware addr type */
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uint8_t bp_hlen; /* hardware addr length */
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uint8_t bp_hops; /* gateway hops */
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uint32_t bp_xid; /* transaction ID */
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uint16_t bp_secs; /* seconds since boot began */
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uint16_t bp_flags; /* flags - see bootp_flag_values[]
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in print-bootp.c */
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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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uint8_t bp_chaddr[16]; /* client hardware address */
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uint8_t bp_sname[64]; /* server host name */
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uint8_t bp_file[128]; /* boot file name */
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uint8_t bp_vend[64]; /* vendor-specific area */
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} UNALIGNED;
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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 BOOTPREPLY 2
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#define BOOTPREQUEST 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 ((uint8_t) 0)
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#define TAG_SUBNET_MASK ((uint8_t) 1)
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#define TAG_TIME_OFFSET ((uint8_t) 2)
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#define TAG_GATEWAY ((uint8_t) 3)
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#define TAG_TIME_SERVER ((uint8_t) 4)
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#define TAG_NAME_SERVER ((uint8_t) 5)
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#define TAG_DOMAIN_SERVER ((uint8_t) 6)
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#define TAG_LOG_SERVER ((uint8_t) 7)
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#define TAG_COOKIE_SERVER ((uint8_t) 8)
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#define TAG_LPR_SERVER ((uint8_t) 9)
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#define TAG_IMPRESS_SERVER ((uint8_t) 10)
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#define TAG_RLP_SERVER ((uint8_t) 11)
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#define TAG_HOSTNAME ((uint8_t) 12)
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#define TAG_BOOTSIZE ((uint8_t) 13)
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#define TAG_END ((uint8_t) 255)
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/* RFC1497 tags */
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#define TAG_DUMPPATH ((uint8_t) 14)
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#define TAG_DOMAINNAME ((uint8_t) 15)
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#define TAG_SWAP_SERVER ((uint8_t) 16)
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#define TAG_ROOTPATH ((uint8_t) 17)
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#define TAG_EXTPATH ((uint8_t) 18)
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/* RFC2132 */
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#define TAG_IP_FORWARD ((uint8_t) 19)
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#define TAG_NL_SRCRT ((uint8_t) 20)
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#define TAG_PFILTERS ((uint8_t) 21)
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#define TAG_REASS_SIZE ((uint8_t) 22)
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#define TAG_DEF_TTL ((uint8_t) 23)
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#define TAG_MTU_TIMEOUT ((uint8_t) 24)
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#define TAG_MTU_TABLE ((uint8_t) 25)
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#define TAG_INT_MTU ((uint8_t) 26)
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#define TAG_LOCAL_SUBNETS ((uint8_t) 27)
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#define TAG_BROAD_ADDR ((uint8_t) 28)
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#define TAG_DO_MASK_DISC ((uint8_t) 29)
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#define TAG_SUPPLY_MASK ((uint8_t) 30)
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#define TAG_DO_RDISC ((uint8_t) 31)
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#define TAG_RTR_SOL_ADDR ((uint8_t) 32)
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#define TAG_STATIC_ROUTE ((uint8_t) 33)
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#define TAG_USE_TRAILERS ((uint8_t) 34)
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#define TAG_ARP_TIMEOUT ((uint8_t) 35)
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#define TAG_ETH_ENCAP ((uint8_t) 36)
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#define TAG_TCP_TTL ((uint8_t) 37)
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#define TAG_TCP_KEEPALIVE ((uint8_t) 38)
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#define TAG_KEEPALIVE_GO ((uint8_t) 39)
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#define TAG_NIS_DOMAIN ((uint8_t) 40)
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#define TAG_NIS_SERVERS ((uint8_t) 41)
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#define TAG_NTP_SERVERS ((uint8_t) 42)
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#define TAG_VENDOR_OPTS ((uint8_t) 43)
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#define TAG_NETBIOS_NS ((uint8_t) 44)
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#define TAG_NETBIOS_DDS ((uint8_t) 45)
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#define TAG_NETBIOS_NODE ((uint8_t) 46)
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#define TAG_NETBIOS_SCOPE ((uint8_t) 47)
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#define TAG_XWIN_FS ((uint8_t) 48)
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#define TAG_XWIN_DM ((uint8_t) 49)
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#define TAG_NIS_P_DOMAIN ((uint8_t) 64)
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#define TAG_NIS_P_SERVERS ((uint8_t) 65)
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#define TAG_MOBILE_HOME ((uint8_t) 68)
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#define TAG_SMPT_SERVER ((uint8_t) 69)
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#define TAG_POP3_SERVER ((uint8_t) 70)
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#define TAG_NNTP_SERVER ((uint8_t) 71)
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#define TAG_WWW_SERVER ((uint8_t) 72)
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#define TAG_FINGER_SERVER ((uint8_t) 73)
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#define TAG_IRC_SERVER ((uint8_t) 74)
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#define TAG_STREETTALK_SRVR ((uint8_t) 75)
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#define TAG_STREETTALK_STDA ((uint8_t) 76)
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/* DHCP options */
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#define TAG_REQUESTED_IP ((uint8_t) 50)
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#define TAG_IP_LEASE ((uint8_t) 51)
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#define TAG_OPT_OVERLOAD ((uint8_t) 52)
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#define TAG_TFTP_SERVER ((uint8_t) 66)
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#define TAG_BOOTFILENAME ((uint8_t) 67)
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#define TAG_DHCP_MESSAGE ((uint8_t) 53)
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#define TAG_SERVER_ID ((uint8_t) 54)
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#define TAG_PARM_REQUEST ((uint8_t) 55)
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#define TAG_MESSAGE ((uint8_t) 56)
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#define TAG_MAX_MSG_SIZE ((uint8_t) 57)
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#define TAG_RENEWAL_TIME ((uint8_t) 58)
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#define TAG_REBIND_TIME ((uint8_t) 59)
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#define TAG_VENDOR_CLASS ((uint8_t) 60)
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#define TAG_CLIENT_ID ((uint8_t) 61)
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/* RFC 2241 */
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#define TAG_NDS_SERVERS ((uint8_t) 85)
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#define TAG_NDS_TREE_NAME ((uint8_t) 86)
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#define TAG_NDS_CONTEXT ((uint8_t) 87)
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/* RFC 2242 */
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#define TAG_NDS_IPDOMAIN ((uint8_t) 62)
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#define TAG_NDS_IPINFO ((uint8_t) 63)
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/* RFC 2485 */
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#define TAG_OPEN_GROUP_UAP ((uint8_t) 98)
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/* RFC 2563 */
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#define TAG_DISABLE_AUTOCONF ((uint8_t) 116)
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/* RFC 2610 */
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#define TAG_SLP_DA ((uint8_t) 78)
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#define TAG_SLP_SCOPE ((uint8_t) 79)
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/* RFC 2937 */
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#define TAG_NS_SEARCH ((uint8_t) 117)
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/* RFC 3011 */
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#define TAG_IP4_SUBNET_SELECT ((uint8_t) 118)
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/* RFC 3442 */
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#define TAG_CLASSLESS_STATIC_RT ((uint8_t) 121)
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#define TAG_CLASSLESS_STA_RT_MS ((uint8_t) 249)
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/* ftp://ftp.isi.edu/.../assignments/bootp-dhcp-extensions */
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#define TAG_USER_CLASS ((uint8_t) 77)
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#define TAG_SLP_NAMING_AUTH ((uint8_t) 80)
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#define TAG_CLIENT_FQDN ((uint8_t) 81)
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#define TAG_AGENT_CIRCUIT ((uint8_t) 82)
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#define TAG_AGENT_REMOTE ((uint8_t) 83)
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#define TAG_AGENT_MASK ((uint8_t) 84)
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#define TAG_TZ_STRING ((uint8_t) 88)
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#define TAG_FQDN_OPTION ((uint8_t) 89)
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#define TAG_AUTH ((uint8_t) 90)
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#define TAG_VINES_SERVERS ((uint8_t) 91)
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#define TAG_SERVER_RANK ((uint8_t) 92)
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#define TAG_CLIENT_ARCH ((uint8_t) 93)
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#define TAG_CLIENT_NDI ((uint8_t) 94)
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#define TAG_CLIENT_GUID ((uint8_t) 97)
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#define TAG_LDAP_URL ((uint8_t) 95)
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#define TAG_6OVER4 ((uint8_t) 96)
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#define TAG_PRINTER_NAME ((uint8_t) 100)
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#define TAG_MDHCP_SERVER ((uint8_t) 101)
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#define TAG_IPX_COMPAT ((uint8_t) 110)
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#define TAG_NETINFO_PARENT ((uint8_t) 112)
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#define TAG_NETINFO_PARENT_TAG ((uint8_t) 113)
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#define TAG_URL ((uint8_t) 114)
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#define TAG_FAILOVER ((uint8_t) 115)
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#define TAG_EXTENDED_REQUEST ((uint8_t) 126)
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#define TAG_EXTENDED_OPTION ((uint8_t) 127)
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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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/*
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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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uint8_t v_magic[4]; /* magic number */
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uint32_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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uint8_t v_unused[24]; /* currently unused */
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} UNALIGNED;
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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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/* RFC 4702 DHCP Client FQDN Option */
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#define CLIENT_FQDN_FLAGS_S 0x01
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#define CLIENT_FQDN_FLAGS_O 0x02
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#define CLIENT_FQDN_FLAGS_E 0x04
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#define CLIENT_FQDN_FLAGS_N 0x08
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