232 lines
8.0 KiB
C
232 lines
8.0 KiB
C
/* @(#) $Header: /tcpdump/master/tcpdump/bootp.h,v 1.19 2008-04-22 09:46:03 hannes 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 {
|
||
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 */
|
||
};
|
||
|
||
/*
|
||
* 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 */
|
||
};
|
||
|
||
|
||
/* 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
|