/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
hostannc.h
Abstract:
This module defines the data structures related to host announcements.
Author:
Larry Osterman (LarryO) 22-Oct-1990
Revision History:
22-Oct-1991 LarryO
Created
--*/
#ifndef _HOSTANNC_
#define _HOSTANNC_
typedef enum _MailslotType {
MailslotTransaction = -2,
OtherTransaction = -1,
Illegal = 0,
HostAnnouncement = 1,
AnnouncementRequest = 2,
InterrogateInfoRequest = 3,
RelogonRequest = 4,
Election = 8,
GetBackupListReq = 9,
GetBackupListResp = 10,
BecomeBackupServer = 11,
WkGroupAnnouncement = 12,
MasterAnnouncement = 13,
ResetBrowserState = 14,
LocalMasterAnnouncement = 15,
MaximumMailslotType
} MAILSLOTTYPE, *PMAILSLOTTYPE;
#define WORKSTATION_SIGNATURE '\0'
#define SERVER_SIGNATURE ' '
#define PRIMARY_DOMAIN_SIGNATURE '\0'
#define PRIMARY_CONTROLLER_SIGNATURE '\x1B'
#define DOMAIN_CONTROLLER_SIGNATURE '\x1C'
#define MASTER_BROWSER_SIGNATURE '\x1D'
#define BROWSER_ELECTION_SIGNATURE '\x1E'
#define DOMAIN_ANNOUNCEMENT_NAME "\x01\x02__MSBROWSE__\x02\x01"
//
// The following values should be the minimum and maximum of the
// mailslot transaction opcodes defined above.
//
#define MIN_TRANSACT_MS_OPCODE MailslotTransaction
#define MAX_TRANSACT_MS_OPCODE RelogonRequest
//
// Common name for reserved, `internal' transactions
//
#define MAILSLOT_LANMAN_NAME SMB_MAILSLOT_PREFIX "\\LANMAN"
#define MAILSLOT_BROWSER_NAME SMB_MAILSLOT_PREFIX "\\BROWSE"
#define ANNOUNCEMENT_MAILSLOT_NAME "\\\\*" ITRANS_MS_NAME
#include <packon.h>
//
// Each visible server on the net periodically emits a host announcement.
// This is a SMB TRANSACTION REQUEST on a reserved, "internal" name.
//
//
// There are two versions of each of these structures defined. The first,
// is the actual "meat" of the structure, the second includes the announcement
// type.
//
//
// Lan Manager announcement message. This is used for opcodes:
//
// HostAnnouncement to \MAILSLOT\LANMAN on the LANMAN domain name.
//
typedef struct _HOST_ANNOUNCE_PACKET_1 {
UCHAR CompatibilityPad;
ULONG Type;
UCHAR VersionMajor; /* version of LM running on host */
UCHAR VersionMinor; /* " " " " " " " */
USHORT Periodicity; /* announcement cycle in secs */
CHAR NameComment[LM20_CNLEN+1+LM20_MAXCOMMENTSZ+1];
} HOST_ANNOUNCE_PACKET_1, *PHOST_ANNOUNCE_PACKET_1;
typedef struct _HOST_ANNOUNCE_PACKET {
UCHAR AnnounceType;
HOST_ANNOUNCE_PACKET_1 HostAnnouncement;
} HOST_ANNOUNCE_PACKET, *PHOST_ANNOUNCE_PACKET;
//
// General announcement message. This is used for opcodes:
//
// HostAnnouncement, WkGroupAnnouncement, and LocalMasterAnnouncement
//
typedef struct _BROWSE_ANNOUNCE_PACKET_1 {
UCHAR UpdateCount; // Inc'ed when announce data changed.
ULONG Periodicity; // announcement cycle in milliseconds
UCHAR ServerName[LM20_CNLEN+1];
UCHAR VersionMajor;
UCHAR VersionMinor; /* " " " " " " " */
ULONG Type; // Server type.
CHAR *CommentPointer;
CHAR Comment[LM20_MAXCOMMENTSZ+1];
} BROWSE_ANNOUNCE_PACKET_1, *PBROWSE_ANNOUNCE_PACKET_1;
typedef struct _BROWSE_ANNOUNCE_PACKET {
UCHAR BrowseType;
BROWSE_ANNOUNCE_PACKET_1 BrowseAnnouncement;
} BROWSE_ANNOUNCE_PACKET, *PBROWSE_ANNOUNCE_PACKET;
//
// The request announcement packet is sent by clients to request that
// remote servers announce themselves.
//
typedef struct _REQUEST_ANNOUNCE_PACKET_1 { // Contents of request announcement
UCHAR Flags; // Unused Flags
CHAR Reply[LM20_CNLEN+1];
} REQUEST_ANNOUNCE_PACKET_1, *PREQUEST_ANNOUNCE_PACKET_1;
typedef struct _REQUEST_ANNOUNCE_PACKET { /* Request announcement struct */
UCHAR Type;
REQUEST_ANNOUNCE_PACKET_1 RequestAnnouncement;
} REQUEST_ANNOUNCE_PACKET, *PREQUEST_ANNOUNCE_PACKET;
#define HOST_ANNC_NAME(xx) ((xx)->NameComment)
#define HOST_ANNC_COMMENT(xx) ((xx)->NameComment + (strlen(HOST_ANNC_NAME(xx))+1))
#define BROWSE_ANNC_NAME(xx) ((xx)->ServerName)
#define BROWSE_ANNC_COMMENT(xx) ((xx)->Comment)
//
// Definitions for Windows Browser
//
//
// Request to retrieve a backup server list.
//
typedef struct _BACKUP_LIST_REQUEST_1 {
UCHAR RequestedCount;
ULONG Token;
} BACKUP_LIST_REQUEST_1, *PBACKUP_LIST_REQUEST_1;
typedef struct _BACKUP_LIST_REQUEST {
UCHAR Type;
BACKUP_LIST_REQUEST_1 BackupListRequest;
} BACKUP_LIST_REQUEST, *PBACKUP_LIST_REQUEST;
//
// Response containing a backup server list.
//
typedef struct _BACKUP_LIST_RESPONSE_1 {
UCHAR BackupServerCount;
ULONG Token;
UCHAR BackupServerList[1];
} BACKUP_LIST_RESPONSE_1, *PBACKUP_LIST_RESPONSE_1;
typedef struct _BACKUP_LIST_RESPONSE {
UCHAR Type;
BACKUP_LIST_RESPONSE_1 BackupListResponse;
} BACKUP_LIST_RESPONSE, *PBACKUP_LIST_RESPONSE;
//
// Message indicating that a potential browser server should become a backup
// server.
//
typedef struct _BECOME_BACKUP_1 {
UCHAR BrowserToPromote[1];
} BECOME_BACKUP_1, *PBECOME_BACKUP_1;
typedef struct _BECOME_BACKUP {
UCHAR Type;
BECOME_BACKUP_1 BecomeBackup;
} BECOME_BACKUP, *PBECOME_BACKUP;
//
// Sent during the election process.
//
typedef struct _REQUEST_ELECTION_1 {
UCHAR Version;
ULONG Criteria;
ULONG TimeUp;
ULONG MustBeZero;
UCHAR ServerName[1];
} REQUEST_ELECTION_1, *PREQUEST_ELECTION_1;
typedef struct _REQUEST_ELECTION {
UCHAR Type;
REQUEST_ELECTION_1 ElectionRequest;
} REQUEST_ELECTION, *PREQUEST_ELECTION;
#define ELECTION_CR_OSTYPE 0xFF000000L // Native OS running on server
#define ELECTION_CR_OSWFW 0x01000000L // Windows for workgroups server
#define ELECTION_CR_WIN_NT 0x10000000L // Windows/NT Server
#define ELECTION_CR_LM_NT 0x20000000L // Lan Manager for Windows/NT
#define ELECTION_CR_REVISION 0x00FFFF00L // Browser software revision
#define ELECTION_MAKE_REV(major, minor) (((major)&0xffL)<<16|((minor)&0xFFL)<<8)
#define ELECTION_CR_DESIRE 0x000000FFL // Desirability of becoming master.
//
// Election desirability within criteria.
//
// Most important is a running PDC, next is a configured domain master.
//
// After that come running masters, then configured backups, then existing
// running backups.
//
// Machines running WINS client are important because they are more capable
// of connecting to a PDC who's address was configured via DHCP.
//
#define ELECTION_DESIRE_AM_BACKUP 0x00000001L // Currently is backup
#define ELECTION_DESIRE_AM_CFG_BKP 0x00000002L // Always want to be
// master - set if backup &&
// MaintainServerList==YES
#define ELECTION_DESIRE_AM_MASTER 0x00000004L // Currently is master
#define ELECTION_DESIRE_AM_DOMMSTR 0x00000008L // Configured as domain master
#define ELECTION_DESIRE_WINS_CLIENT 0x00000020L // Transport running WINS client
#define ELECTION_DESIRE_AM_PDC 0x00000080L // Machine is a lanman NT server.
//
// "Tickle" packet - sent to change state of browser.
//
typedef struct _RESET_STATE_1 {
UCHAR Options;
} RESET_STATE_1, *PRESET_STATE_1;
typedef struct _RESET_STATE {
UCHAR Type;
RESET_STATE_1 ResetStateRequest;
} RESET_STATE, *PRESET_STATE;
#define RESET_STATE_STOP_MASTER 0x01 // Stop being master
#define RESET_STATE_CLEAR_ALL 0x02 // Clear all browser state.
#define RESET_STATE_STOP 0x04 // Stop the browser service.
//
// Master Announcement - Send from master to domain master.
//
typedef struct _MASTER_ANNOUNCEMENT_1 {
UCHAR MasterName[1];
} MASTER_ANNOUNCEMENT_1, *PMASTER_ANNOUNCEMENT_1;
typedef struct _MASTER_ANNOUNCEMENT {
UCHAR Type;
MASTER_ANNOUNCEMENT_1 MasterAnnouncement;
} MASTER_ANNOUNCEMENT, *PMASTER_ANNOUNCEMENT;
//
// Definitions for Workstation interrogation and revalidation transactions
//
typedef struct _WKSTA_INFO_INTERROGATE_PACKET {
UCHAR CompatibilityPad;
ULONG Delay ; // Number of milliseconds to wait before replying
CHAR ReturnMailslot[1] ; // Mailslot to reply to.
} WKSTA_INFO_INTERROGATE_PACKET, *PWKSTA_INFO_INTERROGATE_PACKET;
typedef struct _WKSTA_INFO_RESPONSE_PACKET {
UCHAR CompatibilityPad;
UCHAR VersionMajor;
UCHAR VersionMinor;
USHORT OsVersion ;
CHAR ComputerName[1] ; // var-length ASCIIZ string */
#if 0
//
// The following two ASCIIZ strings are not defined in the structure
// but are concatenated to the end of the structure.
//
CHAR UserName[] ;
CHAR LogonDomain[] ;
#endif
} WKSTA_INFO_RESPONSE_PACKET, *PWKSTA_INFO_RESPONSE_PACKET;
typedef struct _WKSTA_RELOGON_REQUEST_PACKET {
UCHAR CompatibilityPad;
ULONG Delay ;
ULONG Flags ;
CHAR ReturnMailslot[1] ; // var-length ASCIIZ string
#if 0
//
// The following ASCIIZ string is not defined in the structure
// but is concatenated to the end of the structure.
//
CHAR DC_Name[] ;
#endif
} WKSTA_RELOGON_REQUEST_PACKET, *PWKSTA_RELOGON_REQUEST_PACKET;
//
// Values for <wkrrq_flags> field */
//
#define WKRRQ_FLAG_LOGON_SERVER 0x1 // I'm your official logon server;
// do a relogon to me.
//
typedef struct _WKSTA_RELOGON_RESPONSE_PACKET {
UCHAR CompatibilityPad;
USHORT Status ;
CHAR ComputerName[1] ; // var-length ASCIIZ string
} WKSTA_RELOGON_RESPONSE_PACKET, *PWKSTA_RELOGON_RESPONSE_PACKET;
//
// Values for <wkrrs_status> field
//
#define WKRRS_STATUS_SUCCEEDED 0 // Operation succeeded
#define WKRRS_STATUS_DENIED 1 // Operation denied to caller
#define WKRRS_STATUS_FAILED 2 // Operation tried but failed
#define EXCESS_NAME_LEN (sizeof(ITRANS_MS_NAME) - \
FIELD_OFFSET(SMB_TRANSACTION_MAILSLOT, Buffer) )
//
// This structure defines all of the types of requests that appear in messages
// to the internal mailslot.
//
typedef struct _INTERNAL_TRANSACTION {
UCHAR Type; // Type of request.
union {
HOST_ANNOUNCE_PACKET_1 Announcement ;
BROWSE_ANNOUNCE_PACKET_1 BrowseAnnouncement ;
REQUEST_ANNOUNCE_PACKET_1 RequestAnnounce ;
BACKUP_LIST_RESPONSE_1 GetBackupListResp ;
BACKUP_LIST_REQUEST_1 GetBackupListRequest ;
BECOME_BACKUP_1 BecomeBackup ;
REQUEST_ELECTION_1 RequestElection ;
MASTER_ANNOUNCEMENT_1 MasterAnnouncement ;
RESET_STATE_1 ResetState ;
WKSTA_INFO_INTERROGATE_PACKET InterrogateRequest ;
WKSTA_INFO_RESPONSE_PACKET InterrogateResponse ;
WKSTA_RELOGON_REQUEST_PACKET RelogonRequest ;
WKSTA_RELOGON_RESPONSE_PACKET RelogonResponse ;
} Union;
} INTERNAL_TRANSACTION, *PINTERNAL_TRANSACTION ;
#include <packoff.h>
#endif // _HOSTANNC_
