312 lines
9.1 KiB
C++
312 lines
9.1 KiB
C++
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/*****************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1990 **/
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/*****************************************************************/
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/*
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MiscAPIs.cxx
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Miscallaneous APIs
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FILE HISTORY:
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jonn 14-Jan-1991 Split from winprof.cxx
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jonn 17-Jan-1991 Split off lm21util.cxx, lm30spfc.cxx
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jonn 02-Feb-1991 Removed unused routines
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rustanl 12-Apr-1991 Added UI_UNCPathCompare and
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UI_UNCPathValidate
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beng 17-May-1991 Correct lmui.hxx usage
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jonn 22-May-1991 Added MyNetUseAdd (was in winprof.cxx)
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rustanl 24-May-1991 Added AUTO_CURSOR to MyNetUseAdd
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terryk 31-Oct-1991 add mnet.h and change I_NetXXX to
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I_MNetXXX
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Yi-HsinS 31-Dec-1991 Unicode work
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terryk 10-Oct-1993 deleted MyNetUseAdd
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*/
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#define INCL_WINDOWS
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#define INCL_WINDOWS_GDI
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#define INCL_DOSERRORS
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#define INCL_NETERRORS
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#define INCL_NETCONS
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#define INCL_NETACCESS
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#define INCL_NETSERVER
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#define INCL_NETWKSTA
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#define INCL_NETSERVICE
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#define INCL_NETLIB
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#define INCL_ICANON
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#define INCL_NETUSE // for NetUseAdd
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#define _WINNETWK_
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#include <lmui.hxx>
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#undef _WINNETWK_
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extern "C"
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{
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#include <mnet.h>
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#include <winnetwk.h>
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#include <npapi.h>
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#include <lmsname.h>
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}
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#include <uiassert.hxx>
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#include <uitrace.hxx>
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#include <string.hxx>
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#include <lmowks.hxx>
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#include <lmodom.hxx>
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#include <lmodev.hxx> // for DEVICE object
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#include <uibuffer.hxx>
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#include <strchlit.hxx> // for string and character literals
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#include <lmsvc.hxx>
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#include <miscapis.hxx>
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/* Local prototypes */
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/* functions */
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/*******************************************************************
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NAME: CheckLMService
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SYNOPSIS: Checks to make sure the LM Wksta service is willing to
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accept requests.
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RETURNS: NERR_Success if the service is happy happy
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WN_NO_NETWORK if the service is stopped or stopping
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WN_FUNCTION_BUSY if the service is starting
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Other error if an error occurred getting the status
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NOTES:
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HISTORY:
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Johnl 09-Sep-1992 Created
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********************************************************************/
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APIERR CheckLMService( void )
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{
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APIERR err = NERR_Success ;
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//
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// we almost always hit the wksta soon after this call & the wksta
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// is usually started. so this check will avoid paging in the service
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// controller. it just ends up paging in the wksta a bit earlier.
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// only if the call fails do we hit the service controller for the
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// actual status.
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//
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WKSTA_10 wksta_10 ;
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if ( (wksta_10.QueryError() == NERR_Success) &&
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(wksta_10.GetInfo() == NERR_Success) )
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{
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return NERR_Success ;
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}
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LM_SERVICE service( NULL, (const TCHAR *)SERVICE_WORKSTATION );
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if ( err = service.QueryError() )
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{
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return err ;
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}
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switch ( service.QueryStatus( &err ) )
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{
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case LM_SVC_STOPPED:
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case LM_SVC_STOPPING:
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if ( !err )
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err = WN_NO_NETWORK ;
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TRACEEOL("::CheckLMService - Returning WN_NO_NETWORK") ;
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break ;
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case LM_SVC_STARTING:
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if ( !err )
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err = WN_FUNCTION_BUSY ;
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TRACEEOL("::CheckLMService - Returning WN_FUNCTION_BUSY") ;
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break ;
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case LM_SVC_STATUS_UNKNOWN:
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case LM_SVC_STARTED:
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case LM_SVC_PAUSED:
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case LM_SVC_PAUSING:
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case LM_SVC_CONTINUING:
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default:
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/* Return unadultered error code
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*/
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break ;
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}
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return err ;
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}
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/*******************************************************************
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NAME: ParseRemoteName
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SYNOPSIS: Canonicalizes a remote resource name and determines
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its type
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ARGUMENTS:
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RemoteName - Remote resource name to be parsed
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CanonName - Buffer for canonicalized name, assumed to be
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MAX_PATH characters long
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CanonNameSize - Size, in bytes, of output buffer
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PathStart - Set to the offset, in characters, of the start
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of the "\share" portion (in the REMOTENAMETYPE_SHARE case)
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or the "\path" portion (in the REMOTENAMETYPE_PATH case)
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of the name within CanonName. Not set in other cases.
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RETURNS:
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If nlsRemote is like Then returns
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-------------------- ------------
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workgroup REMOTENAMETYPE_WORKGROUP
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\\server REMOTENAMETYPE_SERVER
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\\server\share REMOTENAMETYPE_SHARE
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\\server\share\path REMOTENAMETYPE_PATH
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(other) REMOTENAMETYPE_INVALID
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NOTES:
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HISTORY:
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AnirudhS 21-Apr-1995 Ported from Win95 sources - used netlib
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functions rather than ad hoc parsing, introduced comments
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********************************************************************/
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REMOTENAMETYPE ParseRemoteName(
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IN LPWSTR RemoteName,
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OUT LPWSTR CanonName,
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IN DWORD CanonNameSize,
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OUT PULONG PathStart
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)
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{
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//
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// Determine the path type
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//
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DWORD PathType = 0;
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NET_API_STATUS Status = I_NetPathType(NULL, RemoteName, &PathType, 0);
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if (Status != NERR_Success)
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{
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return REMOTENAMETYPE_INVALID;
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}
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//
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// I_NetPathType doesn't give us quite as fine a classification of
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// path types as we need, so we still need to do a little more parsing
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//
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switch (PathType)
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{
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case ITYPE_PATH_RELND:
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//
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// A driveless relative path
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// A valid workgroup or domain name would be classified as
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// such, but it still needs to be validated as a workgroup name
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//
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Status = I_NetNameCanonicalize(
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NULL, // ServerName
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RemoteName, // Name
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CanonName, // Outbuf
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CanonNameSize, // OutbufLen
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NAMETYPE_WORKGROUP, // NameType
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0 // Flags
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);
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if (Status == NERR_Success)
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{
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return REMOTENAMETYPE_WORKGROUP;
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}
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else
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{
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return REMOTENAMETYPE_INVALID;
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}
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case ITYPE_UNC_COMPNAME:
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//
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// A UNC computername, "\\server"
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//
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{
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//
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// HACK: I_NetPathCanonicalize likes "\\server\share" but not
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// "\\server", so append a dummy share name to canonicalize.
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// We assume that the CanonName buffer will still be big
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// enough (which it will, in the calls made from this file).
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//
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if (wcslen(RemoteName) + 3 > NNLEN)
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{
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return REMOTENAMETYPE_INVALID;
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}
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WCHAR wszDummy[NNLEN];
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wcscpy(wszDummy, RemoteName);
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wcscat(wszDummy, L"\\a");
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UIASSERT(CanonNameSize >= sizeof(wszDummy));
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PathType = ITYPE_UNC;
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Status = I_NetPathCanonicalize(
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NULL, // ServerName
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wszDummy, // PathName
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CanonName, // Outbuf
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CanonNameSize, // OutbufLen
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NULL, // Prefix
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&PathType, // PathType
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0 // Flags
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);
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}
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if (Status != NERR_Success)
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{
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return REMOTENAMETYPE_INVALID;
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}
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CanonName[ wcslen(CanonName) - 2 ] = 0;
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return REMOTENAMETYPE_SERVER;
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case ITYPE_UNC:
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//
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// A UNC path, either "\\server\share" or "\\server\share\path" -
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// canonicalize and determine which one
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//
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Status = I_NetPathCanonicalize(
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NULL, // ServerName
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RemoteName, // PathName
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CanonName, // Outbuf
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CanonNameSize, // OutbufLen
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NULL, // Prefix
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&PathType, // PathType
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0 // Flags
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);
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if (Status != NERR_Success)
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{
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return REMOTENAMETYPE_INVALID;
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}
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{
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WCHAR * pSlash = wcschr(CanonName+2, PATH_SEPARATOR);
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UIASSERT(pSlash);
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*PathStart = (ULONG)(pSlash - CanonName);
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// Look for a fourth slash
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pSlash = wcschr(pSlash+1, PATH_SEPARATOR);
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if (pSlash)
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{
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*PathStart = (ULONG)(pSlash - CanonName);
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return REMOTENAMETYPE_PATH;
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}
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else
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{
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return REMOTENAMETYPE_SHARE;
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}
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}
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default:
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return REMOTENAMETYPE_INVALID;
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}
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}
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