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150 lines
4.3 KiB
150 lines
4.3 KiB
/*++
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Copyright (c) 1991-1992 Microsoft Corporation
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Module Name:
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WksGtOld.c
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Abstract:
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This file contains RxpWkstaGetOldInfo().
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Author:
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John Rogers (JohnRo) 15-Aug-1991
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Environment:
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Portable to any flat, 32-bit environment. (Uses Win32 typedefs.)
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Requires ANSI C extensions: slash-slash comments, long external names.
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Revision History:
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15-Aug-1991 JohnRo
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Implement downlevel NetWksta APIs.
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11-Nov-1991 JohnRo
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Moved some code from RxNetWkstaGetInfo to RxpWkstaGetOldInfo, so it
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can be shared by RxNetWkstaUserEnum.
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22-May-1992 JohnRo
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RAID 7243: Avoid 64KB requests (Winball servers only HAVE 64KB!)
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Use PREFIX_ equates.
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--*/
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// These must be included first:
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#include <windef.h> // IN, DWORD, etc.
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#include <lmcons.h> // LM20_ equates, NET_API_STATUS, etc.
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// These may be included in any order:
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#include <apinums.h> // API_ equates.
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#include <dlwksta.h> // NetpIsOldWkstaInfoLevel().
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#include <lmerr.h> // ERROR_ and NERR_ equates.
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#include <netdebug.h> // DBGSTATIC, NetpKdPrint(()), FORMAT_ equates.
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#include <prefix.h> // PREFIX_ equates.
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#include <rap.h> // LPDESC.
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#include <remdef.h> // REM16_, REM32_, REMSmb_ equates.
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#include <rx.h> // RxRemoteApi().
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#include <rxpdebug.h> // IF_DEBUG().
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#include <rxwksta.h> // My prototype.
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#include <strucinf.h> // NetpWkstaStructureInfo().
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NET_API_STATUS
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RxpWkstaGetOldInfo (
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IN LPTSTR UncServerName,
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IN DWORD Level,
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OUT LPBYTE *BufPtr
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)
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/*++
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Routine Description:
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RxpWkstaGetOldInfo does a WkstaGetInfo to a downlevel server for an
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old info level.
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Arguments:
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(Same as NetWkstaGetInfo, except UncServerName must not be null, and
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must not refer to the local computer.)
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Return Value:
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(Same as NetWkstaGetInfo.)
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--*/
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{
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DWORD BufSize;
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LPDESC DataDesc16, DataDesc32, DataDescSmb;
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NET_API_STATUS Status;
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DWORD TotalAvail;
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IF_DEBUG(WKSTA) {
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NetpKdPrint(( PREFIX_NETAPI "RxpWkstaGetOldInfo: starting, server="
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FORMAT_LPTSTR ", lvl=" FORMAT_DWORD ".\n",
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UncServerName, Level));
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}
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//
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// Error check caller.
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//
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NetpAssert(UncServerName != NULL);
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if ( !NetpIsOldWkstaInfoLevel( Level )) {
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return (ERROR_INVALID_LEVEL);
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}
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if (BufPtr == NULL) {
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return (ERROR_INVALID_PARAMETER);
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}
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*BufPtr = NULL; // assume error; it makes error handlers easy to code.
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// This also forces possible GP fault before we allocate memory.
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//
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// Learn about info level.
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//
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Status = NetpWkstaStructureInfo (
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Level, // level to learn about
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PARMNUM_ALL, // No parmnum with this.
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TRUE, // Need native sizes.
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& DataDesc16,
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& DataDesc32,
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& DataDescSmb,
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& BufSize, // max buffer size
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NULL, // don't need fixed size.
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NULL // don't need string size.
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);
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if (Status != NERR_Success) {
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return (Status);
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}
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//
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// Actually remote the API, which will get back the (old) info level
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// data in native format.
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//
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Status = RxRemoteApi(
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API_WWkstaGetInfo, // API number
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UncServerName, // Required, with \\name.
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REMSmb_NetWkstaGetInfo_P, // parm desc
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DataDesc16,
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DataDesc32,
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DataDescSmb,
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NULL, // no aux data desc 16
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NULL, // no aux data desc 32
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NULL, // no aux data desc SMB
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ALLOCATE_RESPONSE, // flags: alloc buffer for us.
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// rest of API's arguments, in 32-bit LM 2.x format:
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Level,
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BufPtr, // alloc buffer & set this ptr
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BufSize,
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& TotalAvail); // total size
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NetpAssert( Status != ERROR_MORE_DATA );
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NetpAssert( Status != NERR_BufTooSmall );
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return (Status);
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} // RxpWkstaGetOldInfo
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