362 lines
11 KiB
C++
362 lines
11 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994 - 1996.
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//
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// File: lmshare.cxx
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//
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// Contents: local functions
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//
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// History: 8/94 davemont Created
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//
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//----------------------------------------------------------------------------
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#include <aclpch.hxx>
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#pragma hdrstop
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#include <lmerr.h>
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#include <lmcons.h>
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//+---------------------------------------------------------------------------
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//
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// Function: PingLmShare
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//
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// Synopsis: Determines whether the given share is a Lanman share or not...
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//
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// Arguments: [IN pwszShare] -- The name of the share to ping
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//
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// Returns: ERROR_SUCCESS -- The share is lanman
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// ERROR_INVALID_NAME -- The format of the name is unrecognized
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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DWORD
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PingLmShare( IN LPCWSTR pwszShareName)
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{
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acDebugOut((DEB_TRACE, "in PingLmShare\n"));
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DWORD dwErr;
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dwErr = LoadDLLFuncTable();
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if(dwErr != NO_ERROR)
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{
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return(dwErr);
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}
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if(pwszShareName != NULL)
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{
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//
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// save the object since we must crack it to go to remote machines
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//
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WCHAR wszUseName[RMLEN + 1];
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LPWSTR pwszUseName;
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dwErr = AccGetBufferOfSizeW((PWSTR)pwszShareName,
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wszUseName,
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&pwszUseName);
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if(dwErr == ERROR_SUCCESS)
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{
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PWSTR pwszShare, pwszMachine;
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//
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// get the machinename from the full name
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//
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dwErr = ParseName(pwszUseName,
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&pwszMachine,
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&pwszShare);
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if(dwErr == ERROR_SUCCESS)
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{
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PSHARE_INFO_0 pSI0;
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//
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// get share infolevel 0
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//
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dwErr = (*DLLFuncs.PNetShareGetInfo)(pwszMachine,
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pwszShare,
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0,
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(PBYTE *)&pSI0);
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if(dwErr == ERROR_SUCCESS)
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{
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(*DLLFuncs.PNetApiBufferFree)(pSI0);
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}
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else
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{
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if(dwErr == NERR_NetNameNotFound)
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{
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dwErr = ERROR_PATH_NOT_FOUND;
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}
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//
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// Any other error will be returned to the calling
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// API
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//
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}
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}
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AccFreeBufferOfSizeW(wszUseName,
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pwszUseName);
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}
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}
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else
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{
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dwErr = ERROR_INVALID_NAME;
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}
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acDebugOut((DEB_TRACE, "Out PingLmShare(%d)\n", dwErr));
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return(dwErr);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ReadSharePropertyRights
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//
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// Synopsis: Gets the specified security info for the specified net share
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// object
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//
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// Arguments: [IN pwszShare] -- The share to get the rights
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// for
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// [IN pRightsList] -- SecurityInfo to read based
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// on properties
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// [IN cRights] -- Number of items in rights list
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// [IN AccessList] -- Access List to fill in
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//
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// Returns: ERROR_SUCCESS -- Success
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// ERROR_INVALID_PARAMETER -- A bad property was encountered
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// ERROR_NOT_ENOUGH_MEMORY -- A memory allocation failed
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//
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//----------------------------------------------------------------------------
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DWORD
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ReadSharePropertyRights(IN LPWSTR pwszShare,
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IN PACTRL_RIGHTS_INFO pRightsList,
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IN ULONG cRights,
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IN CAccessList& AccessList)
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{
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acDebugOut((DEB_TRACE, "in ReadSharePropertyRights\n"));
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DWORD dwErr;
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PSHARE_INFO_502 pSI502;
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dwErr = LoadDLLFuncTable();
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if(dwErr != ERROR_SUCCESS)
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{
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return(dwErr);
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}
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//
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// For the moment, there is only the share itself...
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//
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ASSERT(cRights == 1 && pRightsList[0].pwszProperty == NULL);
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if(cRights != 1 || pRightsList[0].pwszProperty != NULL)
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{
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return(ERROR_INVALID_PARAMETER);
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}
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if(pwszShare != NULL)
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{
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WCHAR wszName[MAX_PATH + 1];
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PWSTR pwszName;
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//
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// save the object since we must crack it to go to remote machines
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//
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dwErr = AccGetBufferOfSizeW(pwszShare,
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wszName,
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&pwszName);
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if(dwErr == ERROR_SUCCESS)
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{
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PWSTR pwszShr, pwszMachine;
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//
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// Separate the names
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//
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dwErr = ParseName(pwszName,
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&pwszMachine,
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&pwszShr);
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if(dwErr == ERROR_SUCCESS)
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{
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//
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// get share infolevel 502 (a bunch of stuff) since
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// level 1501 seems to be write only
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//
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PSHARE_INFO_0 pSI0;
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dwErr = (*DLLFuncs.PNetShareGetInfo)(pwszMachine,
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pwszShr,
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502,
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(PBYTE *)&pSI502);
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if(dwErr == ERROR_SUCCESS &&
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pSI502->shi502_security_descriptor != NULL)
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{
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//
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// Add it
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//
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dwErr = AccessList.AddSD(
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pSI502->shi502_security_descriptor,
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pRightsList->SeInfo,
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pRightsList->pwszProperty);
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(*DLLFuncs.PNetApiBufferFree)(pSI502);
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}
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}
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AccFreeBufferOfSizeW(wszName, pwszName);
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}
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else
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{
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dwErr = ERROR_NOT_ENOUGH_MEMORY;
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}
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}
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else
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{
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dwErr = ERROR_INVALID_PARAMETER;
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}
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acDebugOut((DEB_TRACE, "Out ReadSharePropertyRights: %lu\n", dwErr));
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return(dwErr);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: GetShareParentRights
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//
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// Synopsis: Determines who the parent is, and gets the access rights
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// for it. It is used to aid in determining what the approriate
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// inheritance bits are.
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//
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// This operation does not make sense for share objects
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//
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// Arguments: [IN pwszShare] -- The share to get the parent
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// for
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// [IN pRightsList] -- The properties to get the
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// rights for
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// [IN cRights] -- Number of items in rights list
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// [OUT ppDAcl] -- Where the DACL is returned
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// [OUT ppSAcl] -- Where the SACL is returned
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// [OUT ppSD] -- Where the Security Descriptor
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// is returned
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//
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// Returns: ERROR_INVALID_FUNCTION -- Call doesn't make sense here
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//
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//----------------------------------------------------------------------------
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DWORD
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GetShareParentRights(IN LPWSTR pwszShare,
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IN PACTRL_RIGHTS_INFO pRightsList,
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IN ULONG cRights,
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OUT PACL *ppDAcl,
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OUT PACL *ppSAcl,
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OUT PSECURITY_DESCRIPTOR *ppSD)
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{
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//
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// This doesn't currently make sense for share objects, so simply
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// return an error
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//
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return(ERROR_INVALID_FUNCTION);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: SetShareSecurityInfo
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//
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// Synopsis: Sets the specified security info on the specified share
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// object
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//
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// Arguments: [IN pwszShare] -- Share to set it on
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// [IN SeInfo] -- Flag indicating what security
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// info to set
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// [IN pwszProperty] -- The property on the object to
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// set
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// For kernel objects, this MBZ
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// [IN pSD] -- The security descriptor to set
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//
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// Returns: ERROR_SUCCESS -- Success
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// ERROR_INVALID_PARAMETER -- A bad property was given
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//
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//----------------------------------------------------------------------------
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DWORD
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SetShareSecurityInfo(IN PWSTR pwszShare,
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IN SECURITY_INFORMATION SeInfo,
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IN PWSTR pwszProperty,
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IN PSECURITY_DESCRIPTOR pSD)
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{
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acDebugOut((DEB_TRACE, "in SetShareSecurityInfo \n"));
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DWORD dwErr = ERROR_SUCCESS;
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SHARE_INFO_1501 SI1501;
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//
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// Net shares don't have properties
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//
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if(pwszProperty != NULL)
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{
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dwErr = ERROR_INVALID_PARAMETER;
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}
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else
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{
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dwErr = LoadDLLFuncTable();
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if(dwErr != ERROR_SUCCESS)
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{
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return(dwErr);
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}
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if(pwszShare != NULL)
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{
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WCHAR wszName[MAX_PATH + 1];
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PWSTR pwszName;
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//
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// save the object since we must crack it to go to remote machines
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//
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dwErr = AccGetBufferOfSizeW(pwszShare,
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wszName,
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&pwszName);
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if(dwErr == ERROR_SUCCESS)
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{
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PWSTR pwszShr, pwszMachine;
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//
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// Separate the names
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//
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dwErr = ParseName(pwszName,
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&pwszMachine,
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&pwszShr);
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if(dwErr == ERROR_SUCCESS)
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{
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SI1501.shi1501_reserved = 0;
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SI1501.shi1501_security_descriptor = pSD;
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//
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// set the security descriptor
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//
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dwErr = (*DLLFuncs.PNetShareSetInfo)(pwszMachine,
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pwszShr,
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1501,
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(PBYTE)&SI1501,
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NULL);
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}
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AccFreeBufferOfSizeW(wszName, pwszName);
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}
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else
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{
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dwErr = ERROR_NOT_ENOUGH_MEMORY;
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}
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}
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else
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{
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dwErr = ERROR_INVALID_PARAMETER;
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}
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}
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acDebugOut((DEB_TRACE, "Out SetShareSecurityInfo: %lu\n", dwErr));
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return(dwErr);
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}
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