347 lines
8.2 KiB
C
347 lines
8.2 KiB
C
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/*++
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Copyright (C) Microsoft Corporation, 1994 - 1998
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Module Name:
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dhcp.h
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Abstract:
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This module defines the DHCP server service definitions and structures.
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Author:
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Manny Weiser (mannyw) 11-Aug-1992
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Revision History:
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Madan Appiah (madana) 10-Oct-1993
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--*/
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#ifndef _DHCP_
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#define _DHCP_
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#define WS_VERSION_REQUIRED MAKEWORD( 1, 1)
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//
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// update dhcpapi.h also if you modify the following three typedefs.
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//
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typedef DWORD DHCP_IP_ADDRESS, *PDHCP_IP_ADDRESS, *LPDHCP_IP_ADDRESS;
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typedef DWORD DHCP_OPTION_ID;
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typedef struct _DATE_TIME {
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DWORD dwLowDateTime;
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DWORD dwHighDateTime;
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} DATE_TIME, *LPDATE_TIME;
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#define DHCP_DATE_TIME_ZERO_HIGH 0
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#define DHCP_DATE_TIME_ZERO_LOW 0
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#define DHCP_DATE_TIME_INFINIT_HIGH 0x7FFFFFFF
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#define DHCP_DATE_TIME_INFINIT_LOW 0xFFFFFFFF
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#define DOT_IP_ADDR_SIZE 16 // XXX.XXX.XXX.XXX + '\0'
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#define NO_DHCP_IP_ADDRESS ((DHCP_IP_ADDRESS)-1)
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#define DHCP_IP_KEY_LEN 32 //arbitary size.
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#define INFINIT_TIME 0x7FFFFFFF // time_t is int
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#define INFINIT_LEASE 0xFFFFFFFF // in secs. (unsigned int.)
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//
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// hardware types.
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//
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#define HARDWARE_TYPE_10MB_EITHERNET 1
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#define HARDWARE_TYPE_IEEE_802 6
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#define HARDWARE_ARCNET 7
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#define HARDWARE_PPP 8
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//
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// Client-server protoocol reserved ports
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//
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#define DHCP_CLIENT_PORT 68
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#define DHCP_SERVR_PORT 67
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//
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// DHCP BROADCAST flag.
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//
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#define DHCP_BROADCAST 0x8000
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#define DHCP_NO_BROADCAST 0x0000
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#define DHCP_MESSAGE_SIZE 576
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#define DHCP_SEND_MESSAGE_SIZE 548
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#define BOOTP_MESSAGE_SIZE 300 // the options field for bootp is 64 bytes.
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//
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// The amount of time to wait for a DHCP response after a request
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// has been sent.
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//
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#if !DBG
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#define WAIT_FOR_RESPONSE_TIME 5
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#else
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#define WAIT_FOR_RESPONSE_TIME 10
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#endif
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//
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// DHCP Operations
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//
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#define BOOT_REQUEST 1
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#define BOOT_REPLY 2
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//
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// DHCP Standard Options.
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//
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#define OPTION_PAD 0
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#define OPTION_SUBNET_MASK 1
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#define OPTION_TIME_OFFSET 2
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#define OPTION_ROUTER_ADDRESS 3
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#define OPTION_TIME_SERVERS 4
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#define OPTION_IEN116_NAME_SERVERS 5
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#define OPTION_DOMAIN_NAME_SERVERS 6
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#define OPTION_LOG_SERVERS 7
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#define OPTION_COOKIE_SERVERS 8
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#define OPTION_LPR_SERVERS 9
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#define OPTION_IMPRESS_SERVERS 10
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#define OPTION_RLP_SERVERS 11
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#define OPTION_HOST_NAME 12
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#define OPTION_BOOT_FILE_SIZE 13
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#define OPTION_MERIT_DUMP_FILE 14
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#define OPTION_DOMAIN_NAME 15
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#define OPTION_SWAP_SERVER 16
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#define OPTION_ROOT_DISK 17
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#define OPTION_EXTENSIONS_PATH 18
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//
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// IP layer parameters - per host
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//
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#define OPTION_BE_A_ROUTER 19
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#define OPTION_NON_LOCAL_SOURCE_ROUTING 20
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#define OPTION_POLICY_FILTER_FOR_NLSR 21
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#define OPTION_MAX_REASSEMBLY_SIZE 22
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#define OPTION_DEFAULT_TTL 23
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#define OPTION_PMTU_AGING_TIMEOUT 24
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#define OPTION_PMTU_PLATEAU_TABLE 25
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//
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// Link layer parameters - per interface.
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//
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#define OPTION_MTU 26
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#define OPTION_ALL_SUBNETS_MTU 27
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#define OPTION_BROADCAST_ADDRESS 28
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#define OPTION_PERFORM_MASK_DISCOVERY 29
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#define OPTION_BE_A_MASK_SUPPLIER 30
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#define OPTION_PERFORM_ROUTER_DISCOVERY 31
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#define OPTION_ROUTER_SOLICITATION_ADDR 32
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#define OPTION_STATIC_ROUTES 33
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#define OPTION_TRAILERS 34
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#define OPTION_ARP_CACHE_TIMEOUT 35
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#define OPTION_ETHERNET_ENCAPSULATION 36
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//
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// TCP Paramters - per host
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//
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#define OPTION_TTL 37
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#define OPTION_KEEP_ALIVE_INTERVAL 38
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#define OPTION_KEEP_ALIVE_DATA_SIZE 39
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//
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// Application Layer Parameters
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//
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#define OPTION_NETWORK_INFO_SERVICE_DOM 40
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#define OPTION_NETWORK_INFO_SERVERS 41
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#define OPTION_NETWORK_TIME_SERVERS 42
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//
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// Vender specific information option
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//
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#define OPTION_VENDOR_SPEC_INFO 43
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//
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// NetBIOS over TCP/IP Name server option
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//
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#define OPTION_NETBIOS_NAME_SERVER 44
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#define OPTION_NETBIOS_DATAGRAM_SERVER 45
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#define OPTION_NETBIOS_NODE_TYPE 46
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#define OPTION_NETBIOS_SCOPE_OPTION 47
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//
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// X Window System Options.
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//
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#define OPTION_XWINDOW_FONT_SERVER 48
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#define OPTION_XWINDOW_DISPLAY_MANAGER 49
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//
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// Other extensions
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//
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#define OPTION_REQUESTED_ADDRESS 50
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#define OPTION_LEASE_TIME 51
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#define OPTION_OK_TO_OVERLAY 52
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#define OPTION_MESSAGE_TYPE 53
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#define OPTION_SERVER_IDENTIFIER 54
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#define OPTION_PARAMETER_REQUEST_LIST 55
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#define OPTION_MESSAGE 56
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#define OPTION_MESSAGE_LENGTH 57
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#define OPTION_RENEWAL_TIME 58 // T1
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#define OPTION_REBIND_TIME 59 // T2
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#define OPTION_CLIENT_CLASS_INFO 60
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#define OPTION_CLIENT_ID 61
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#define OPTION_TFTP_SERVER_NAME 66
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#define OPTION_BOOTFILE_NAME 67
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//
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// Dynamic DNS Stuff. Tells if we should do both A+PTR updates?
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//
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#define OPTION_DYNDNS_BOTH 81
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#define OPTION_END 255
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//
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// Different option values for the DYNDNS_BOTH option ...
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//
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#define DYNDNS_REGISTER_AT_CLIENT 0 // Client will do both registrations
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#define DYNDNS_REGISTER_AT_SERVER 1 // Server will do registrations
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#define DYNDNS_DOWNLEVEL_CLIENT 3 // arbitraty # diff from above
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//
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// Microsoft-specific options
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//
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#define OPTION_MSFT_DSDOMAINNAME_REQ 94 // send me your DS Domain name
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#define OPTION_MSFT_DSDOMAINNAME_RESP 95 // sending my DS Domain name
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//
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// DHCP Message types
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//
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#define DHCP_DISCOVER_MESSAGE 1
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#define DHCP_OFFER_MESSAGE 2
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#define DHCP_REQUEST_MESSAGE 3
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#define DHCP_DECLINE_MESSAGE 4
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#define DHCP_ACK_MESSAGE 5
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#define DHCP_NACK_MESSAGE 6
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#define DHCP_RELEASE_MESSAGE 7
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#define DHCP_INFORM_MESSAGE 8
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#define DHCP_MAGIC_COOKIE_BYTE1 99
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#define DHCP_MAGIC_COOKIE_BYTE2 130
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#define DHCP_MAGIC_COOKIE_BYTE3 83
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#define DHCP_MAGIC_COOKIE_BYTE4 99
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#define BOOT_FILE_SIZE 128
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#define BOOT_SERVER_SIZE 64
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#define BOOT_FILE_SIZE_W ( BOOT_FILE_SIZE * sizeof( WCHAR ))
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#define BOOT_SERVER_SIZE_W ( BOOT_SERVER_SIZE * sizeof( WCHAR ))
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//
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// DHCP APP names - used to indentify to the eventlogger.
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//
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#define DHCP_EVENT_CLIENT TEXT("Dhcp")
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#define DHCP_EVENT_SERVER TEXT("DhcpServer")
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typedef struct _OPTION {
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BYTE OptionType;
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BYTE OptionLength;
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BYTE OptionValue[1];
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} OPTION, *POPTION, *LPOPTION;
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//
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// A DHCP message buffer
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//
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#pragma pack(1) /* Assume byte packing */
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typedef struct _DHCP_MESSAGE {
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BYTE Operation;
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BYTE HardwareAddressType;
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BYTE HardwareAddressLength;
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BYTE HopCount;
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DWORD TransactionID;
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WORD SecondsSinceBoot;
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WORD Reserved;
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DHCP_IP_ADDRESS ClientIpAddress;
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DHCP_IP_ADDRESS YourIpAddress;
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DHCP_IP_ADDRESS BootstrapServerAddress;
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DHCP_IP_ADDRESS RelayAgentIpAddress;
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BYTE HardwareAddress[16];
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BYTE HostName[ BOOT_SERVER_SIZE ];
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BYTE BootFileName[BOOT_FILE_SIZE];
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OPTION Option;
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} DHCP_MESSAGE, *PDHCP_MESSAGE, *LPDHCP_MESSAGE;
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#pragma pack()
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#define DHCP_MESSAGE_FIXED_PART_SIZE \
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(sizeof(DHCP_MESSAGE) - sizeof(OPTION))
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#define DHCP_MIN_SEND_RECV_PK_SIZE \
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(DHCP_MESSAGE_FIXED_PART_SIZE + 64)
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//
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// JET - DHCP database constants.
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//
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#define DB_TABLE_SIZE 10 // table size in 4K pages.
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#define DB_TABLE_DENSITY 80 // page density
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#define DB_LANGID 0x0409 // language id
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#define DB_CP 1252 // code page
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#if DBG
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//
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// debug functions.
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//
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#ifdef CHICAGO // No Tracing available on CHICAGO
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#define DhcpPrintTrace
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#endif
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#define IF_DEBUG(flag) if (DhcpGlobalDebugFlag & (DEBUG_ ## flag))
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#define DhcpPrint(_x_) DhcpPrintRoutine _x_
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#define Trace DhcpPrintTrace
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#ifndef CHICAGO
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VOID
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DhcpPrintTrace(
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IN LPSTR Format,
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...
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);
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#endif
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VOID
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DhcpPrintRoutine(
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IN DWORD DebugFlag,
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IN LPSTR Format,
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...
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);
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#else
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#define IF_DEBUG(flag) if (FALSE)
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#define DhcpPrint(_x_)
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#define Trace (void)
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#endif // DBG
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#endif // _DHCP_
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