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