579 lines
16 KiB
C
579 lines
16 KiB
C
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/*++
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Copyright (c) 1994 Microsoft Corporation
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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, *PDATE_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 MAXINT_PTR // time_t is int_ptr
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#define INFINIT_LEASE 0xFFFFFFFF // in secs. (unsigned int.)
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// MDHCP server well known address. Relative "1" assignment in IPv4 local scope.
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/* FROM RFC 2365
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The high order /24 in every scoped region is reserved for relative
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assignments. A relative assignment is an integer offset from highest
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address in the scope and represents a 32-bit address (for IPv4). For
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example, in the Local Scope defined above, 239.255.255.0/24 is
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reserved for relative allocations. The de-facto relative assignment
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"0", (i.e., 239.255.255.255 in the Local Scope) currently exists for
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SAP [SAP]. The next relative assignment, "1", corresponds to the
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address 239.255.255.254 in the Local Scope. The rest of a scoped
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region below the reserved /24 is available for dynamic assignment
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(presumably by an address allocation protocol).
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*/
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#define MADCAP_SERVER_IP_ADDRESS 0xfeffffef // 239.255.255.254
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//
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// hardware types.
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//
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#define HARDWARE_TYPE_NONE 0 // used for non-hardware type client id
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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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#define HARDWARE_1394 24
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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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#define MADCAP_SERVER_PORT 2535
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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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// MDHCP flag
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#define DHCP_MBIT 0x4000
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#define IS_MDHCP_MESSAGE( _msg ) ( ntohs((_msg)->Reserved) & DHCP_MBIT ? TRUE : FALSE )
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#define MDHCP_MESSAGE( _msg ) ( (_msg)->Reserved |= htons(DHCP_MBIT) )
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#define CLASSD_NET_ADDR(a) ((a & 0xf0) == 0xe0)
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#define CLASSD_HOST_ADDR(a) ((a & 0xf0000000) == 0xe0000000)
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#define CLASSE_HOST_ADDR(a) ((a & 0xf0000000) == 0xf0000000)
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#define CLASSE_NET_ADDR(a) ((a & 0xf0) == 0xf0)
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#define DHCP_MESSAGE_SIZE 576
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#define DHCP_RECV_MESSAGE_SIZE 4096
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#define DHCP_SEND_MESSAGE_SIZE 1024
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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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// user class id
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//
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#define OPTION_USER_CLASS 77
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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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//
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// used by binl
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//
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#define OPTION_NETWORK_INTERFACE_TYPE 91
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#define OPTION_SYSTEM_ARCHITECTURE 93
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#define OPTION_CLIENT_GUID 97
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// Multicast options.
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#define OPTION_MCAST_SCOPE_ID 101
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#define OPTION_MCAST_LEASE_START 102
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#define OPTION_MCAST_TTL 103
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#define OPTION_CLIENT_PORT 105
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#define OPTION_MCAST_SCOPE_LIST 107
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// disable autoconfiguration
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#define OPTION_IETF_AUTOCONF 116
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// special option to extend options
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#define OPTION_LARGE_OPTION 127
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#define OPTION_CLASSLESS_ROUTES 249
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#define OPTION_END 255
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// MADCAP OPTIONS
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#define MADCAP_OPTION_END 0
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#define MADCAP_OPTION_LEASE_TIME 1
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#define MADCAP_OPTION_SERVER_ID 2
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#define MADCAP_OPTION_LEASE_ID 3
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#define MADCAP_OPTION_MCAST_SCOPE 4
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#define MADCAP_OPTION_REQUEST_LIST 5
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#define MADCAP_OPTION_START_TIME 6
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#define MADCAP_OPTION_ADDR_COUNT 7
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#define MADCAP_OPTION_REQUESTED_LANG 8
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#define MADCAP_OPTION_MCAST_SCOPE_LIST 9
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#define MADCAP_OPTION_ADDR_LIST 10
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#define MADCAP_OPTION_TIME 11
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#define MADCAP_OPTION_FEATURE_LIST 12
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#define MADCAP_OPTION_RETRY_TIME 13
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#define MADCAP_OPTION_MIN_LEASE_TIME 14
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#define MADCAP_OPTION_MAX_START_TIME 15
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#define MADCAP_OPTION_ERROR 16
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// update the total whenever changes
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#define MADCAP_OPTION_TOTAL 17
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#define MADCAP_OPTION_NONE 0xffff
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// MADCAP error option codes
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#define MADCAP_NAK_REQ_NOT_COMPLETED 0
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#define MADCAP_NAK_INVALID_REQ 1
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#define MADCAP_NAK_CLOCK_SKEW 2
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#define MADCAP_NAK_INVALID_LEASE_ID 3
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#define MADCAP_NAK_UNSUPPORTED_FEATURE 4
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//
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// MADCAP Message types
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//
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#define MADCAP_DISCOVER_MESSAGE 1
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#define MADCAP_OFFER_MESSAGE 2
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#define MADCAP_REQUEST_MESSAGE 3
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#define MADCAP_RENEW_MESSAGE 4
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#define MADCAP_ACK_MESSAGE 5
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#define MADCAP_NACK_MESSAGE 6
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#define MADCAP_RELEASE_MESSAGE 7
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#define MADCAP_INFORM_MESSAGE 8
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// update the total when above changes
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#define MADCAP_TOTAL_MESSAGE 9
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// MADCAP version constants
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#define MADCAP_VERSION 0
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enum {
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MADCAP_ADDR_FAMILY_V4 = 1,
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MADCAP_ADDR_FAMILY_V6
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};
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// The following definations specify how the options are
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// formatted based on different versions and protocols
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enum {
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PROTO_DHCP,
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PROTO_MADCAP_V4,
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PROTO_MADCAP_V6
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};
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typedef struct _OPTION_VERSION {
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WORD Proto;
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WORD Version;
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} OPTION_VERSION, *POPTION_VERSION;
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#define OPT_VER_DHCP {PROTO_DHCP, 1 }
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#define OPT_VER_MADCAP_V4 {PROTO_MADCAP_V4, 0 }
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#define OPT_VER_MADCAP_V6 {PROTO_MADCAP_V6, 0 }
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// default mcast_ttl value.
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#define DEFAULT_MCAST_TTL 32
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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_S_BIT 0x01
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#define DYNDNS_O_BIT 0x02
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#define DYNDNS_E_BIT 0x04
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#define IS_CLIENT_DOING_A_AND_PTR(X) (((X)&DYNDNS_S_BIT)== 0)
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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 0xFFFF // 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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#define OPTION_MSFT_CONTINUED 250 // the previous option is being continued..
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||
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#define OPTION_MSFT_AUTOCONF 251 // enable disable autoconf
|
||
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#define OPTION_MSFT_IE_PROXY 252 // IE5 proxy <string type>
|
||
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#define OPTION_MSFT_SERVER_APPL 253 // has a struct.
|
||
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|
||
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#define OPTION_MSFT_VENDOR_NETBIOSLESS 1 // vendor option # 1
|
||
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#define OPTION_MSFT_VENDOR_FEATURELIST 2 // vendor option # 2
|
||
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#define BIT_RELEASE_ON_SHUTDOWN 0x01 // release on shutdown bit in feature list
|
||
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#define OPTION_MSFT_VENDOR_METRIC_BASE 3 // default gateway base metric.
|
||
|
|
|
||
|
|
#define AUTOCONF_ENABLED 1
|
||
|
|
#define AUTOCONF_DISABLED 0
|
||
|
|
|
||
|
|
//
|
||
|
|
// DHCP Message types
|
||
|
|
//
|
||
|
|
|
||
|
|
#define DHCP_DISCOVER_MESSAGE 1
|
||
|
|
#define DHCP_OFFER_MESSAGE 2
|
||
|
|
#define DHCP_REQUEST_MESSAGE 3
|
||
|
|
#define DHCP_DECLINE_MESSAGE 4
|
||
|
|
#define DHCP_ACK_MESSAGE 5
|
||
|
|
#define DHCP_NACK_MESSAGE 6
|
||
|
|
#define DHCP_RELEASE_MESSAGE 7
|
||
|
|
#define DHCP_INFORM_MESSAGE 8
|
||
|
|
|
||
|
|
#define DHCP_MAGIC_COOKIE_BYTE1 99
|
||
|
|
#define DHCP_MAGIC_COOKIE_BYTE2 130
|
||
|
|
#define DHCP_MAGIC_COOKIE_BYTE3 83
|
||
|
|
#define DHCP_MAGIC_COOKIE_BYTE4 99
|
||
|
|
|
||
|
|
#define BOOT_FILE_SIZE 128
|
||
|
|
#define BOOT_SERVER_SIZE 64
|
||
|
|
#define BOOT_FILE_SIZE_W ( BOOT_FILE_SIZE * sizeof( WCHAR ))
|
||
|
|
#define BOOT_SERVER_SIZE_W ( BOOT_SERVER_SIZE * sizeof( WCHAR ))
|
||
|
|
|
||
|
|
//
|
||
|
|
// DHCP APP names - used to indentify to the eventlogger.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define DHCP_EVENT_CLIENT TEXT("Dhcp")
|
||
|
|
#define DHCP_EVENT_SERVER TEXT("DhcpServer")
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct _OPTION {
|
||
|
|
BYTE OptionType;
|
||
|
|
BYTE OptionLength;
|
||
|
|
BYTE OptionValue[1];
|
||
|
|
} OPTION, *POPTION, *LPOPTION;
|
||
|
|
|
||
|
|
typedef struct _WIDE_OPTION {
|
||
|
|
WORD OptionType;
|
||
|
|
WORD OptionLength;
|
||
|
|
BYTE OptionValue[1];
|
||
|
|
} WIDE_OPTION, *PWIDE_OPTION, *LPWIDE_OPTION;
|
||
|
|
|
||
|
|
//
|
||
|
|
// A DHCP message buffer
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
#pragma pack(1) /* Assume byte packing */
|
||
|
|
typedef struct _DHCP_MESSAGE {
|
||
|
|
BYTE Operation;
|
||
|
|
BYTE HardwareAddressType;
|
||
|
|
BYTE HardwareAddressLength;
|
||
|
|
BYTE HopCount;
|
||
|
|
DWORD TransactionID;
|
||
|
|
WORD SecondsSinceBoot;
|
||
|
|
WORD Reserved;
|
||
|
|
DHCP_IP_ADDRESS ClientIpAddress;
|
||
|
|
DHCP_IP_ADDRESS YourIpAddress;
|
||
|
|
DHCP_IP_ADDRESS BootstrapServerAddress;
|
||
|
|
DHCP_IP_ADDRESS RelayAgentIpAddress;
|
||
|
|
BYTE HardwareAddress[16];
|
||
|
|
BYTE HostName[ BOOT_SERVER_SIZE ];
|
||
|
|
BYTE BootFileName[BOOT_FILE_SIZE];
|
||
|
|
OPTION Option;
|
||
|
|
} DHCP_MESSAGE, *PDHCP_MESSAGE, *LPDHCP_MESSAGE;
|
||
|
|
|
||
|
|
typedef struct _MADCAP_MESSAGE {
|
||
|
|
BYTE Version;
|
||
|
|
BYTE MessageType;
|
||
|
|
WORD AddressFamily;
|
||
|
|
DWORD TransactionID;
|
||
|
|
// DHCP_IP_ADDRESS ClientIpAddress;
|
||
|
|
// DHCP_IP_ADDRESS YourIpAddress;
|
||
|
|
WIDE_OPTION Option;
|
||
|
|
} MADCAP_MESSAGE, *PMADCAP_MESSAGE, *LPMADCAP_MESSAGE;
|
||
|
|
#pragma pack()
|
||
|
|
|
||
|
|
#define DHCP_MESSAGE_FIXED_PART_SIZE \
|
||
|
|
(sizeof(DHCP_MESSAGE) - sizeof(OPTION))
|
||
|
|
#define MADCAP_MESSAGE_FIXED_PART_SIZE \
|
||
|
|
(sizeof(MADCAP_MESSAGE) - sizeof (WIDE_OPTION))
|
||
|
|
|
||
|
|
#define DHCP_MIN_SEND_RECV_PK_SIZE \
|
||
|
|
(DHCP_MESSAGE_FIXED_PART_SIZE + 64)
|
||
|
|
|
||
|
|
//
|
||
|
|
// Per message structure... Most of the structures here point within the
|
||
|
|
// message.
|
||
|
|
|
||
|
|
typedef struct _DHCP_SERVER_OPTIONS {
|
||
|
|
BYTE *MessageType;
|
||
|
|
DHCP_IP_ADDRESS UNALIGNED *SubnetMask;
|
||
|
|
DHCP_IP_ADDRESS UNALIGNED *RequestedAddress;
|
||
|
|
DWORD UNALIGNED *RequestLeaseTime;
|
||
|
|
BYTE *OverlayFields;
|
||
|
|
DHCP_IP_ADDRESS UNALIGNED *RouterAddress;
|
||
|
|
DHCP_IP_ADDRESS UNALIGNED *Server;
|
||
|
|
BYTE *ParameterRequestList;
|
||
|
|
DWORD ParameterRequestListLength;
|
||
|
|
CHAR *MachineName;
|
||
|
|
DWORD MachineNameLength;
|
||
|
|
BYTE ClientHardwareAddressType;
|
||
|
|
BYTE ClientHardwareAddressLength;
|
||
|
|
BYTE *ClientHardwareAddress;
|
||
|
|
CHAR *ClassIdentifier;
|
||
|
|
DWORD ClassIdentifierLength;
|
||
|
|
BYTE *VendorClass;
|
||
|
|
DWORD VendorClassLength;
|
||
|
|
DWORD DNSFlags;
|
||
|
|
DWORD DNSNameLength;
|
||
|
|
LPBYTE DNSName;
|
||
|
|
BOOLEAN DSDomainNameRequested;
|
||
|
|
CHAR *DSDomainName;
|
||
|
|
DWORD DSDomainNameLen;
|
||
|
|
USHORT SystemArchitecture;
|
||
|
|
DWORD SystemArchitectureLength;
|
||
|
|
CHAR *NetworkInterfaceType;
|
||
|
|
DWORD NetworkInterfaceTypeLength;
|
||
|
|
CHAR *Guid;
|
||
|
|
DWORD GuidLength;
|
||
|
|
} DHCP_SERVER_OPTIONS, *LPDHCP_SERVER_OPTIONS;
|
||
|
|
|
||
|
|
typedef struct _MADCAP_SERVER_OPTIONS {
|
||
|
|
BYTE UNALIGNED *AddrRangeList;
|
||
|
|
WORD AddrRangeListSize;
|
||
|
|
DWORD UNALIGNED *RequestLeaseTime;
|
||
|
|
DWORD UNALIGNED *LeaseStartTime;
|
||
|
|
DHCP_IP_ADDRESS UNALIGNED *Server;
|
||
|
|
BYTE *RequestList;
|
||
|
|
WORD RequestListLength;
|
||
|
|
DWORD UNALIGNED *ScopeId;
|
||
|
|
CHAR *Guid;
|
||
|
|
WORD GuidLength;
|
||
|
|
WORD UNALIGNED *MinAddrCount;
|
||
|
|
WORD UNALIGNED *AddrCount;
|
||
|
|
BYTE *RequestLang;
|
||
|
|
WORD RequestLangLength;
|
||
|
|
DWORD UNALIGNED *Time;
|
||
|
|
WORD UNALIGNED *Features[3];
|
||
|
|
WORD FeatureCount[3];
|
||
|
|
DWORD UNALIGNED *RetryTime;
|
||
|
|
DWORD UNALIGNED *MinLeaseTime;
|
||
|
|
DWORD UNALIGNED *MaxStartTime;
|
||
|
|
BOOL OptPresent[MADCAP_OPTION_TOTAL];
|
||
|
|
} MADCAP_SERVER_OPTIONS, *LPMADCAP_SERVER_OPTIONS;
|
||
|
|
|
||
|
|
// the indices for Features array above
|
||
|
|
enum {
|
||
|
|
SUPPORTED_FEATURES, REQUESTED_FEATURES, REQUIRED_FEATURES
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// JET - DHCP database constants.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define DB_TABLE_SIZE 10 // table size in 4K pages.
|
||
|
|
#define DB_TABLE_DENSITY 80 // page density
|
||
|
|
#define DB_LANGID 0x0409 // language id
|
||
|
|
#define DB_CP 1252 // code page
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
|
||
|
|
//
|
||
|
|
// debug functions.
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifdef CHICAGO // No Tracing available on CHICAGO
|
||
|
|
#define DhcpPrintTrace
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define IF_DEBUG(flag) if (DhcpGlobalDebugFlag & (DEBUG_ ## flag))
|
||
|
|
#define DhcpPrint(_x_) DhcpPrintRoutine _x_
|
||
|
|
#define Trace DhcpPrintTrace
|
||
|
|
|
||
|
|
#ifndef CHICAGO
|
||
|
|
VOID
|
||
|
|
DhcpPrintTrace(
|
||
|
|
IN LPSTR Format,
|
||
|
|
...
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DhcpPrintRoutine(
|
||
|
|
IN DWORD DebugFlag,
|
||
|
|
IN LPSTR Format,
|
||
|
|
...
|
||
|
|
);
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define IF_DEBUG(flag) if (FALSE)
|
||
|
|
#define DhcpPrint(_x_)
|
||
|
|
#define Trace (void)
|
||
|
|
|
||
|
|
#endif // DBG
|
||
|
|
|
||
|
|
#define OpenDriver DhcpOpenDriver
|
||
|
|
|
||
|
|
#endif // _DHCP_
|
||
|
|
|
||
|
|
|