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1247 lines
45 KiB
1247 lines
45 KiB
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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lsapi.c
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Created:
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20-Apr-1994
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Revision History:
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01-Nov-1994 arth Changed from LS API set to simpler request only
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API.
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--*/
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <ntlsapi.h>
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#include <llsconst.h>
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#include <debug.h>
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#include <stdlib.h>
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#include <lpcstub.h>
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#include <strsafe.h>
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// #define API_TRACE 1
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// #define TIME_TRACE 1
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// #define LOG_LICENSE_TRAFFIC
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#ifdef TIME_TRACE
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DWORD TimeDelta;
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#endif
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//
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// SID is linear in memory (check if this is safe assumption). Can use
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// RtlCopySID then pass linear buffer - use RtlLengthSid for size.
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//
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/*++
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NtLicenseRequest()
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Request licensing resources needed to allow software to be
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used.
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Format
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Status = NtLicenseRequest(
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[in] LS_STR *ProductName,
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[in] LS_STR *Version,
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[in] NT_LS_DATA *NtData)
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);
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Arguments
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ProductName The name of the product requesting licensing
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resources. This string may not be null and must
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be unique (in the first 32 characters) within the
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PublisherName domain.
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Version The version number of this product. This string
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must be unique (in the first 12 characters) within
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the ProductName domain, and cannot be NULL
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NtData The username and/or SID identifying the person using the
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license.
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NOTE: The arguments ProductName, and Version may not be
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NULL.
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Description
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This function is used by the application to request licensing
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resources to allow the identified product to execute. If a
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valid license is found, the challenge response is computed and
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LS_SUCCESS is returned.
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--*/
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LS_STATUS_CODE LS_API_ENTRY NtLicenseRequestA(
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LPSTR ProductName,
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LPSTR Version,
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LS_HANDLE FAR *LicenseHandle,
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NT_LS_DATA *NtData)
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{
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WCHAR uProductName[MAX_PRODUCT_NAME_LENGTH + 1];
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WCHAR uVersion[MAX_VERSION_LENGTH + 1];
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WCHAR uUserName[MAX_USER_NAME_LENGTH + 1];
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void *tmpData = NULL;
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LS_STATUS_CODE ret = LS_SUCCESS;
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#ifdef API_TRACE
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dprintf(TEXT("NtLicenseRequestA!!!\r\n"));
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#endif
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// Convert parms to Unicode and call Unicode function
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// First make sure we have correct data
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if ( (ProductName != NULL) && (Version != NULL) && (NtData != NULL) && (NtData->Data != NULL)) {
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if (lstrlenA(ProductName) > MAX_PRODUCT_NAME_LENGTH) {
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#ifdef API_TRACE
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dprintf(TEXT(" Error: ProductName too long\r\n"));
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#endif
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uProductName[0] = L'\0';
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} else
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MultiByteToWideChar(CP_ACP, 0, ProductName, -1, uProductName, MAX_PRODUCT_NAME_LENGTH + 1);
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if (lstrlenA(Version) > MAX_VERSION_LENGTH) {
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#ifdef API_TRACE
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dprintf(TEXT(" Error: Version too long\r\n"));
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#endif
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uVersion[0] = L'\0';
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} else
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MultiByteToWideChar(CP_ACP, 0, Version, -1, uVersion, MAX_VERSION_LENGTH + 1);
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if (NtData->DataType == NT_LS_USER_NAME) {
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if (lstrlenA((LPSTR) NtData->Data) > MAX_USER_NAME_LENGTH) {
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#ifdef API_TRACE
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dprintf(TEXT(" Error: UserName too long\r\n"));
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#endif
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uUserName[0] = L'\0';
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} else
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MultiByteToWideChar(CP_ACP, 0, NtData->Data, -1, uUserName, MAX_USER_NAME_LENGTH + 1);
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// Have UserName convert to wide char format, but need to point
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// Data structure to it...
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tmpData = (void *) NtData->Data;
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NtData->Data = (void *) uUserName;
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ret = NtLicenseRequestW(uProductName, uVersion, LicenseHandle, NtData);
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// Nothing needs to be converted back to ANSI on return, just return
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// data structure to the way it was
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NtData->Data = tmpData;
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return ret;
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} else {
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// Gave SID so no Unicode conversion needed on name
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ret = NtLicenseRequestW(uProductName, uVersion, LicenseHandle, NtData);
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return ret;
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}
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}
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#ifdef API_TRACE
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else
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dprintf(TEXT(" LLS Error: <NULL> Parms passed in!\r\n"));
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#endif
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// If NULL parms or such then just return a dummy handle for right now
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#pragma warning (push)
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#pragma warning (disable : 4245) //conversion from 'int' to 'LS_HANDLE', signed/unsigned mismatch
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if ( LicenseHandle != NULL )
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*LicenseHandle = -1;
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#pragma warning (pop)
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return(LS_SUCCESS);
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} // NtLicenseRequestA
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LS_STATUS_CODE LS_API_ENTRY NtLicenseRequestW(
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LPWSTR ProductName,
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LPWSTR Version,
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LS_HANDLE FAR *LicenseHandle,
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NT_LS_DATA *NtData)
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{
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LPWSTR dVersion = Version;
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LS_STATUS_CODE Status;
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#ifdef API_TRACE
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UNICODE_STRING UString;
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NTSTATUS NtStatus;
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#endif
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//
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// Check parms before calling down
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//
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if ((ProductName == NULL) || (NtData == NULL) || (NtData->DataType > NT_LS_USER_SID)) {
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#ifdef API_TRACE
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dprintf(TEXT("NtLicenseRequestW: <Bad Parms>\r\n"));
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#endif
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if (LicenseHandle != NULL)
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*LicenseHandle = 0xFFFFFFFFL;
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return(LS_SUCCESS);
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}
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//
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// LsaLogonUser passes in NULL version because it doesn't know what version
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// the calling app is. So just use a blank field for this. There must
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// be something in the version field or it messes up the lower level
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// algorithms, so just enter a blank.
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//
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if ((Version == NULL) || (*Version == TEXT('\0')))
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dVersion = TEXT("");
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#ifdef API_TRACE
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if (NtData->DataType == NT_LS_USER_SID) {
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NtStatus = RtlConvertSidToUnicodeString(&UString, (PSID) NtData->Data, TRUE);
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if (NtStatus != STATUS_SUCCESS)
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dprintf(TEXT("NtLicenseRequestW RtlConvertSidToUnicodeString: 0x%lx\n"), NtStatus);
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else {
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if (NtData->IsAdmin)
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dprintf(TEXT("NtLicenseRequestW: %s, %s, <ADMIN>, SID: %s\n"), ProductName, dVersion, UString.Buffer);
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else
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dprintf(TEXT("NtLicenseRequestW: %s, %s, SID: %s\n"), ProductName, dVersion, UString.Buffer);
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RtlFreeUnicodeString(&UString);
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}
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} else {
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if (NtData->IsAdmin)
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dprintf(TEXT("NtLicenseRequestW: %s, %s, <ADMIN>, %s\n"), ProductName, dVersion, NtData->Data);
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else
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dprintf(TEXT("NtLicenseRequestW: %s, %s, %s\n"), ProductName, dVersion, NtData->Data);
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}
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#endif
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#ifdef TIME_TRACE
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TimeDelta = GetTickCount();
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#endif
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// make the LPC call and marshal the parms.
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Status = (LS_STATUS_CODE) LLSLicenseRequest2( ProductName,
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dVersion,
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NtData->DataType,
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(BOOLEAN) NtData->IsAdmin,
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NtData->Data,
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LicenseHandle
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);
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#ifdef TIME_TRACE
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TimeDelta = GetTickCount() - TimeDelta;
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dprintf(TEXT("NtLicenseRequest LPC Call Time: %ldms\n"), TimeDelta);
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#endif
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#ifdef LOG_LICENSE_TRAFFIC
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{
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HANDLE LogHandle;
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LPTSTR Strings[ 5 ];
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TCHAR szLicenseHandle[ 20 ];
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TCHAR szModuleName[ 1 + MAX_PATH ] = TEXT("<Unknown>");
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DWORD cch;
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LogHandle = RegisterEventSourceW( NULL, TEXT("LicenseService") );
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if ( NULL != LogHandle )
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{
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wsprintf( szLicenseHandle, TEXT( "0x%08X" ), LicenseHandle );
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cch = GetModuleFileName( NULL, szModuleName, sizeof( szModuleName ) / sizeof(szModuleName[0]) );
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ASSERT(cch < sizeof(szModuleName) / sizeof(szModuleName[0]));
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if ( NT_SUCCESS( Status ) )
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{
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Strings[ 0 ] = TEXT( "<License Request -- Accepted>" );
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}
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else
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{
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Strings[ 0 ] = TEXT( "<License Request -- * DENIED *>" );
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}
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Strings[ 1 ] = szModuleName;
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Strings[ 2 ] = ProductName;
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Strings[ 3 ] = dVersion;
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Strings[ 4 ] = ( NtData->DataType == NT_LS_USER_SID ) ? TEXT( "(SID)" ) : (LPTSTR) NtData->Data;
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Strings[ 5 ] = szLicenseHandle;
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ReportEvent( LogHandle,
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NT_SUCCESS( Status ) ? EVENTLOG_INFORMATION_TYPE : EVENTLOG_WARNING_TYPE,
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0,
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NT_SUCCESS( Status ) ? 9999 : 9000,
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( NtData->DataType == NT_LS_USER_SID ) ? (PSID) NtData->Data : NULL,
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6,
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sizeof(DWORD),
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Strings,
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(PVOID) &Status );
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DeregisterEventSource(LogHandle);
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}
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}
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#endif // LOG_LICENSE_TRAFFIC
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return(Status);
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} // NtLicenseRequestW
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/*
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NtLSFreeHandle ( )
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Frees all licensing handle context.
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Format
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void NtLSFreeHandle ( [in] LS_HANDLE LicenseHandle);
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Arguments
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LicenseHandle Handle identifying the license context. This
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argument must be a handle that was created with
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NtLSRequest() or NtLicenseRequest().
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Description
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(NOTE: The handle is no longer valid.)
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*/
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LS_STATUS_CODE LS_API_ENTRY NtLSFreeHandle(
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LS_HANDLE LicenseHandle )
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{
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#ifdef API_TRACE
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dprintf(TEXT("NtLSFreeHandle: %ld\r\n"), LicenseHandle);
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#endif
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#ifdef LOG_LICENSE_TRAFFIC
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{
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HANDLE LogHandle;
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LPTSTR Strings[ 5 ];
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TCHAR szLicenseHandle[ 20 ];
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TCHAR szModuleName[ 1 + MAX_PATH ] = TEXT("<Unknown>");
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LogHandle = RegisterEventSourceW( NULL, TEXT("LicenseService") );
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if ( NULL != LogHandle )
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{
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wsprintf( szLicenseHandle, TEXT( "0x%08X" ), LicenseHandle );
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cch = GetModuleFileName( NULL, szModuleName, sizeof( szModuleName ) / sizeof(szModuleName[0]) );
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ASSERT(cch < sizeof(szModuleName) / sizeof(szModuleName[0]));
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Strings[ 0 ] = TEXT( "<License Free>" );
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Strings[ 1 ] = szModuleName;
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Strings[ 2 ] = szLicenseHandle;
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ReportEvent( LogHandle,
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EVENTLOG_INFORMATION_TYPE,
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0,
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10000,
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NULL,
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3,
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0,
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Strings,
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NULL );
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DeregisterEventSource(LogHandle);
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}
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}
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#endif // LOG_LICENSE_TRAFFIC
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//
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// If we get an invalid License Handle (or a dummy 0xFFFFFFFF one)
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// then don't even bother calling through LPC as it is a waste
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// of time.
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//
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if (LicenseHandle == 0xFFFFFFFFL)
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return( LS_SUCCESS );
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//
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// Make the LPC call
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//
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LLSLicenseFree2( LicenseHandle );
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return( LS_SUCCESS );
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} // NtLSFreeHandle
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#ifdef OBSOLETE
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// **************************************************************************
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// OLD API's Don't Use
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// **************************************************************************
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/*
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LSRequest()
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Request licensing resources needed to allow software to be
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used.
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Format
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Status = LSRequest( [in] LicenseSystem, [in] PublisherName,
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[in] ProductName,
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[in] Version, [in] TotUnitsReserved, [in]
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LogComment,
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[in/out] Challenge, [out] TotUnitsGranted, [out]
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hLicenseHandle );
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LS_STR * LicenseSystem;
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LS_STR * PublisherName;
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LS_STR * ProductName;
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LS_STR * Version;
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LS_ULONG TotUnitsReserved;
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LS_STR * LogComment;
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LS_CHALLENGE *Challenge;
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LS_ULONG * TotUnitsGranted;
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LS_HANDLE * hLicenseHandle;
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LS_STATUS_CODEStatus;
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Arguments
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LicenseSystem Pointer to a string which uniquely identifies
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the particular license system. This may be
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obtained through the LSEnumProviders() API.
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Normally, the constant LS_ANY is specified to
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indicate a match against all installed license
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systems (indicates that all license providers
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should be searched for a license match).
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PublisherName The name of the publisher (manufacturer) of
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this product. This string may not be null and
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must be unique in the first 32 characters. It is
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recommended that a company name and trademark be
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used.
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ProductName The name of the product requesting licensing
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resources. This string may not be null and must
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be unique (in the first 32 characters) within the
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PublisherName domain.
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Version The version number of this product. This string
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must be unique (in the first 12 characters) within
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the ProductName domain, and cannot be NULL
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NOTE: The arguments PublisherName, ProductName,
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and Version may not be NULL, or may not be
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LS_ANY.
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TotUnitsReserved Specifies the number of units required to run
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the application. The software publisher may
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choose to specify this policy attribute within the
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application. The recommended value of
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LS_DEFAULT_UNITS allows the licensing system to
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determine the proper value using information
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provided by the license system or license itself.
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The license system verifies that the requested
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number of units exist and may reserve those units,
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but no units are actually consumed at this time.
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The number of units available is returned in
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TotUnitsGranted.
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LogComment An optional string indicating a comment to be
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associated with the request and logged (if logging
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is enabled and supported) by the underlying
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licensing system. The underlying license system
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may choose to log the comment even if an error is
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returned (i.e., logged with the error), but this
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is not guaranteed. If a string is not specified,
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the value must be LS_NULL.
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Challenge Pointer to a challenge structure. The challenge
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response will also be returned in this structure.
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Refer to Challenge Mechanism on page 25 for more
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information.
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TotUnitsGrantedA pointer to an LS_ULONG in which the total
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number of units granted is returned. The following
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table describes the TotUnitsGranted return value,
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given the TotUnitsReserved input value, and the
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Status returned:
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LS_INSUFFICIENT_U
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TotUnitsReserv LS_SUCCES NITS Other
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ed S errors
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LS_DEFAULT_UNI (A) (B) (E)
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TS
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Other (C) (D) (E)
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(specific
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count)
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(A) The default umber of units commensurate
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with the license granted.(B) The maximum
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number of units available to the requesting
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software. This may be less than the normal
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default.
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(C) The number of units used to grant the
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request. Note that this value may be greater
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than or equal to the actual units requested
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(i.e., the policy may allow only in increments
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of 5 units, thus a request of 7 units would
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result in 10 units being granted).
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(D) The maximum number of units available to
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the requesting software. This may be more or
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less than the units requested.
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(E) Zero is returned.
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LicenseHandle Pointer to a LS_HANDLE in which a handle to the
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license context is to be returned.
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Status Detailed error code that can be directly processed
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by the caller, or that can be converted into a
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localized message string by the LSGetMessage()
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function.
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|
Description
|
|
|
|
This function is used by the application to request licensing
|
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resources to allow the identified product to execute. If a
|
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valid license is found, the challenge response is computed and
|
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LS_SUCCESS is returned. At minimum, the PublisherName,
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ProductName, and Version strings are used to identify matching
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license(s). Note that an underlying license system service
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provider may ascertain additional information for the license
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request (e.g., the current username, machine name, etc.).
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A valid license handle is always returned by this function
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whether valid license resources are granted or not. This
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handle must always be released with LSFreeHandle() when the
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application has completed execution.
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If license resources were granted, it must call LSRelease() to
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free the license resource, prior to calling LSFreeHandle().
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A challenge response is NOT returned unless the license
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request completed successfully (i.e., a status code of
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LS_SUCCESS is returned).
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If the number of units requested is greater than the number of
|
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units available, then the license request is not granted. Upon
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successful completion, the value returned in TotUnitsReserved
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indicates the number of units granted. This is greater than or
|
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equal to the number of units requested unless LS_DEFAULT_UNITS
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was specified. In the case of failure, the value returned in
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TotUnitsGranted is zero.
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*/
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|
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LS_STATUS_CODE LS_API_ENTRY NtLSRequest(
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LS_STR FAR *LicenseSystem,
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LS_STR FAR *PublisherName,
|
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LS_STR FAR *ProductName,
|
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LS_STR FAR *Version,
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LS_ULONG TotUnitsReserved,
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LS_STR FAR *LogComment,
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LS_CHALLENGE FAR *Challenge,
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LS_ULONG FAR *TotUnitsGranted,
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LS_HANDLE FAR *LicenseHandle,
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NT_LS_DATA FAR *NtData)
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{
|
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NT_LS_DATA tmpNtData;
|
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WCHAR uProductName[MAX_PRODUCT_NAME_LENGTH + 1];
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WCHAR uVersion[MAX_VERSION_LENGTH + 1];
|
|
WCHAR uUserName[MAX_USER_NAME_LENGTH + 1];
|
|
LS_STATUS_CODE ret = LS_SUCCESS;
|
|
|
|
#ifdef API_TRACE
|
|
dprintf(TEXT("NtLSRequest:\r\n"));
|
|
|
|
if (ProductName == NULL)
|
|
dprintf(TEXT(" Product Name: <NULL>\r\n"));
|
|
|
|
if (Version == NULL)
|
|
dprintf(TEXT(" Version: <NULL>\r\n"));
|
|
|
|
if (LicenseHandle == NULL)
|
|
dprintf(TEXT(" LicenseHandle: <NULL>\r\n"));
|
|
|
|
if (NtData != NULL) {
|
|
if (NtData->Data == NULL)
|
|
dprintf(TEXT(" NtData->Data: <NULL>\r\n"));
|
|
} else
|
|
dprintf(TEXT("NtData: <NULL>\r\n"));
|
|
|
|
dprintf(TEXT("\r\n"));
|
|
|
|
#endif
|
|
|
|
// Do some fudging to follow old API spec...
|
|
if ( TotUnitsGranted != NULL )
|
|
*TotUnitsGranted = TotUnitsReserved;
|
|
|
|
// Need to do a couple things:
|
|
// 1. Convert used parms to Unicode
|
|
// 2. Set up new NtData structure (extra IsAdmin field)
|
|
// 3. Make call to new NtLicenseRequest API and use it's return code.
|
|
//
|
|
// Note: No conversion back to ANSI needed upon return from API
|
|
//
|
|
|
|
// First make sure we have correct data
|
|
if ( (ProductName != NULL) && (Version != NULL) && (NtData != NULL) && (NtData->Data != NULL)) {
|
|
|
|
// 1. Convert parms to Unicode
|
|
if (lstrlenA(ProductName) > MAX_PRODUCT_NAME_LENGTH) {
|
|
#ifdef API_TRACE
|
|
dprintf(TEXT(" Error: ProductName too long\r\n"));
|
|
#endif
|
|
MultiByteToWideChar(CP_ACP, 0, ProductName, MAX_PRODUCT_NAME_LENGTH, uProductName, MAX_PRODUCT_NAME_LENGTH + 1);
|
|
uProductName[MAX_PRODUCT_NAME_LENGTH] = TEXT('\0');
|
|
} else
|
|
MultiByteToWideChar(CP_ACP, 0, ProductName, -1, uProductName, MAX_PRODUCT_NAME_LENGTH + 1);
|
|
|
|
if (lstrlenA(Version) > MAX_VERSION_LENGTH) {
|
|
#ifdef API_TRACE
|
|
dprintf(TEXT(" Error: Version too long\r\n"));
|
|
#endif
|
|
MultiByteToWideChar(CP_ACP, 0, Version, MAX_VERSION_LENGTH, uVersion, MAX_VERSION_LENGTH + 1);
|
|
uVersion[MAX_VERSION_LENGTH] = TEXT('\0');
|
|
} else
|
|
MultiByteToWideChar(CP_ACP, 0, Version, -1, uVersion, MAX_VERSION_LENGTH + 1);
|
|
|
|
// 2. Set up new NtData structure
|
|
tmpNtData.DataType = NtData->DataType;
|
|
|
|
// just use FALSE for IsAdmin as none of the old Apps need it.
|
|
tmpNtData.IsAdmin = FALSE;
|
|
|
|
if (NtData->DataType == NT_LS_USER_NAME) {
|
|
if (lstrlenA((LPSTR) NtData->Data) > MAX_USER_NAME_LENGTH) {
|
|
#ifdef API_TRACE
|
|
dprintf(TEXT(" Error: UserName too long\r\n"));
|
|
#endif
|
|
MultiByteToWideChar(CP_ACP, 0, NtData->Data, MAX_USER_NAME_LENGTH, uUserName, MAX_USER_NAME_LENGTH + 1);
|
|
uUserName[MAX_USER_NAME_LENGTH] = TEXT('\0');
|
|
} else {
|
|
MultiByteToWideChar(CP_ACP, 0, NtData->Data, -1, uUserName, MAX_USER_NAME_LENGTH + 1);
|
|
}
|
|
|
|
tmpNtData.Data = (void *) uUserName;
|
|
|
|
// Have UserName convert to wide char format, but need to point
|
|
// Data structure to it...
|
|
ret = NtLicenseRequestW(uProductName, uVersion, LicenseHandle, &tmpNtData);
|
|
|
|
// Nothing needs to be converted back to ANSI on return, just return
|
|
return ret;
|
|
} else {
|
|
// Gave SID so no Unicode convesion needed on name
|
|
tmpNtData.Data = NtData->Data;
|
|
ret = NtLicenseRequestW(uProductName, uVersion, LicenseHandle, &tmpNtData);
|
|
return ret;
|
|
}
|
|
|
|
}
|
|
|
|
// If NULL parms or such then just return a dummy handle for right now
|
|
if ( LicenseHandle != NULL )
|
|
*LicenseHandle = 0xffffffffL;
|
|
|
|
return(LS_SUCCESS);
|
|
} // NtLSRequest
|
|
|
|
/*
|
|
LSRelease()
|
|
Release licensing resources associated with the specified
|
|
context.
|
|
|
|
Format
|
|
|
|
Status = LSRelease( [in] LicenseHandle, [in] TotUnitsConsumed,
|
|
[in] LogComment );
|
|
|
|
LS_HANDLE LicenseHandle;
|
|
|
|
LS_ULONG TotUnitsConsumed;
|
|
|
|
LS_STR * LogComment;
|
|
|
|
LS_STATUS_CODEStatus;
|
|
|
|
Arguments
|
|
|
|
LicenseHandle Handle identifying the license context. This
|
|
argument must be a handle that was created with
|
|
LSRequest().
|
|
|
|
TotUnitsConsumedThe TOTAL number of units consumed in this
|
|
handle context since the initial LSRequest() call.
|
|
The software publisher may choose to specify this
|
|
policy attribute within the application. A value
|
|
of LS_DEFAULT_UNITS indicates that the licensing
|
|
system should determine the appropriate value
|
|
using its own licensing policy mechanisms.
|
|
|
|
LogComment An optional string indicating a comment to be
|
|
associated with the request and logged (if logging
|
|
is enabled and supported) by the underlying
|
|
licensing system. The underlying license system
|
|
may choose to log the comment even if an error is
|
|
returned (i.e., logged with the error), but this
|
|
is not guaranteed. If a string is not specified,
|
|
the value must be LS_NULL.
|
|
|
|
Status Detailed error code that can be directly processed
|
|
by the caller, or that can be converted into a
|
|
localized message string by the LSGetMessage()
|
|
function.
|
|
|
|
Description
|
|
|
|
This function is used to release licensing resources
|
|
associated with the license context identified by
|
|
LicenseHandle. If a consumptive style licensing policy is in
|
|
effect, and if the software publisher chooses to implement
|
|
such license policy in the application, then the license units
|
|
to be consumed may be passed as part of this call.
|
|
|
|
NOTE: The license handle context is NOT freed. See
|
|
LSFreeHandle().
|
|
|
|
*/
|
|
|
|
LS_STATUS_CODE LS_API_ENTRY NtLSRelease(
|
|
LS_HANDLE LicenseHandle,
|
|
LS_ULONG TotUnitsConsumed,
|
|
LS_STR FAR *LogComment)
|
|
{
|
|
return(LS_SUCCESS);
|
|
}
|
|
|
|
/*
|
|
LSUpdate()
|
|
Update the synchronization between licensed software and the
|
|
licensing system.
|
|
|
|
Format
|
|
|
|
Status = LSUpdate( [in] LicenseHandle, [in] TotUnitsConsumed,
|
|
[in] TotUnitsReserved,
|
|
[in] LogComment, [in/out] Challenge, [out]
|
|
TotUnitsGranted );
|
|
|
|
LS_HANDLE LicenseHandle;
|
|
|
|
LS_ULONG TotUnitsConsumed;
|
|
|
|
LS_ULONG TotUnitsReserved;
|
|
|
|
LS_STR * LogComment;
|
|
|
|
LS_CHALLENGE *Challenge;
|
|
|
|
LS_ULONG * TotUnitsGranted;
|
|
|
|
LS_STATUS_CODEStatus;
|
|
|
|
Arguments
|
|
|
|
LicenseHandle Handle identifying the license context. This
|
|
argument must be a handle that was created with
|
|
LSRequest().
|
|
|
|
TotUnitsConsumedThe TOTAL number of units consumed so far in
|
|
this handle context. The software publisher may
|
|
choose to specify this policy attribute within the
|
|
application. A value of LS_DEFAULT_UNITS
|
|
indicates that the licensing system should
|
|
determine the appropriate value using its own
|
|
licensing policy mechanisms. If an error is
|
|
returned, then no units are consumed.
|
|
|
|
TotUnitsReserved Specifies the total number of units to be
|
|
reserved. If no additional units are required
|
|
since the initial LSRequest() or last LSUpdate(),
|
|
then this parameter should be the current total
|
|
(as returned in TotUnitsGranted). The total
|
|
reserved is inclusive of units consumed. That is,
|
|
if an application requests 100 units be reserved,
|
|
then consumes 20 units, there are still 100 units
|
|
reserved (but only 80 available for consumption).
|
|
|
|
If additional units are required, the application
|
|
must calculate a new total for TotUnitsReserved.
|
|
LS_DEFAULT_UNITS may be specified, but this will
|
|
not allocate any additional units.
|
|
|
|
The license system verifies that the requested
|
|
number of units exist and may reserve those units,
|
|
but these units are not consumed at this time.
|
|
This value may be smaller than the original
|
|
request to indicate that fewer units are needed
|
|
than originally anticipated.
|
|
|
|
LogComment An optional string indicating a comment to be
|
|
associated with the request and logged (if logging
|
|
is enabled and supported) by the underlying
|
|
licensing system. The underlying license system
|
|
may choose to log the comment even if an error is
|
|
returned (i.e., logged with the error), but this
|
|
is not guaranteed. If a string is not specified,
|
|
the value must be LS_NULL.
|
|
|
|
Challenge Pointer to a challenge structure. The challenge
|
|
response will also be returned in this structure.
|
|
Refer to Challenge Mechanism on page 25 for more
|
|
information.
|
|
|
|
TotUnitsGrantedA pointer to an LS_ULONG in which the total
|
|
number of units granted since the initial license
|
|
request is returned. The following table describes
|
|
the TotUnitsGranted return value, given the
|
|
TotUnitsReserved input value, and the Status
|
|
returned:
|
|
|
|
LS_INSUFFICIENT_U
|
|
TotUnitsReserv LS_SUCCES NITS Other
|
|
ed S errors
|
|
LS_DEFAULT_UNI (A) (B) (E)
|
|
TS
|
|
Other (C) (D) (E)
|
|
(specific
|
|
count)
|
|
(A) The default umber of units commensurate
|
|
with the license granted. (B) The maximum
|
|
number of units available to the requesting
|
|
software. This may be less than the normal
|
|
default.
|
|
(C) The number of units used to grant the
|
|
request. Note that this value may differ from
|
|
the actual units requested (i.e., the policy
|
|
may allow only in increments of 5 units, thus a
|
|
request of 7 units would result in 10 units
|
|
being granted).
|
|
(D) The maximum number of units available to
|
|
the requesting software. This may be more or
|
|
less than the units requested.
|
|
(E) Zero is returned.
|
|
|
|
Status Detailed error code that can be directly processed
|
|
by the caller, or that can be converted into a
|
|
localized message string by the LSGetMessage()
|
|
function.
|
|
|
|
Description
|
|
|
|
The client application periodically issues this call to re-
|
|
verify that the current license is still valid. The LSQuery()
|
|
API may be used to determine the proper interval for the
|
|
current licensing context. A guideline of once an hour may be
|
|
appropriate, with a minimum interval of 15 minutes. Consult
|
|
your licensing system vendor for more information.
|
|
|
|
If the number of new units requested (in TotUnitsReserved) is
|
|
greater than the number available, then the update request
|
|
fails with an LS_INSUFFICIENT_UNITS error. Upon successful
|
|
completion, the value returned in TotUnitsGranted indicates
|
|
the current total of units granted.
|
|
|
|
If the TotUnitsConsumed exceeds the number of units reserved,
|
|
then the error LS_INSUFFICIENT_UNITS is returned. The
|
|
remaining units are consumed.
|
|
|
|
A challenge response is NOT returned if an error is returned.
|
|
|
|
The LSUpdate() call verifies that the licensing system context
|
|
has not changed from that expected by the licensed software.
|
|
In this way the LSUpdate() call can:
|
|
|
|
1.Determine if the licensing system can verify that the
|
|
licensing resources granted to the specified handle are
|
|
still reserved for this application by the licensing system.
|
|
Note that in distributed license system, an error here might
|
|
indicate a temporary network interruption, among other
|
|
things.
|
|
|
|
2.Determine when the licensing system has released the
|
|
licensing resources that had been granted to the specified
|
|
handle, indicating the software requiring that grant no
|
|
longer has authorization to execute normally.
|
|
|
|
Application Software should be prepared to handle vendor
|
|
specific error conditions, should they arise. However, a best
|
|
effort will be used by license systems to map error conditions
|
|
to the common error set.
|
|
|
|
The LSUpdate() call may indicate if that the current licensing
|
|
context has expired (for example, in the case of a time-
|
|
restricted license policy). In such a case, the warning status
|
|
LS_LICENSE_EXPIRED is returned. If any error is returned, a
|
|
call to LSRelease() is still required.
|
|
*/
|
|
|
|
LS_STATUS_CODE LS_API_ENTRY NtLSUpdate(
|
|
LS_HANDLE LicenseHandle,
|
|
LS_ULONG TotUnitsConsumed,
|
|
LS_ULONG TotUnitsReserved,
|
|
LS_STR FAR *LogComment,
|
|
LS_CHALLENGE FAR *Challenge,
|
|
LS_ULONG FAR *TotUnitsGranted)
|
|
{
|
|
// set the return buffer to NULL
|
|
if ( TotUnitsGranted != NULL )
|
|
*TotUnitsGranted = TotUnitsReserved;
|
|
|
|
return(LS_SUCCESS);
|
|
}
|
|
|
|
/*
|
|
LSGetMessage()
|
|
Return the message associated with a License Service API
|
|
status code.
|
|
|
|
Format
|
|
|
|
Status = LSGetMessage( [in] LicenseHandle, [in] Value, [out]
|
|
Buffer, [in] BufferSize );
|
|
|
|
LS_HANDLE LicenseHandle;
|
|
|
|
LS_STATUS_CODEValue;
|
|
|
|
LS_STR * Buffer;
|
|
|
|
LS_ULONG BufferSize;
|
|
|
|
LS_STATUS_CODEStatus;
|
|
|
|
Arguments
|
|
|
|
LicenseHandle Handle identifying the license context. This
|
|
argument must be a handle that was created with
|
|
LSRequest().
|
|
|
|
Value Any status code returned by a License Service API
|
|
function.
|
|
|
|
Buffer Pointer to a buffer in which a localized error
|
|
message string is to be placed.
|
|
|
|
BufferSize Maximum size of the string that may be returned in
|
|
Buffer.
|
|
|
|
Status Resulting status of LSGetMessage() call.
|
|
|
|
Description
|
|
|
|
For a given error, this function returns an error code and a string
|
|
describing the error, and a suggested action to be taken in
|
|
response to the specific error. If the value of Value is
|
|
LS_USE_LAST, then the last error associated with the supplied
|
|
licensing handle, and its associated data, is returned. Otherwise,
|
|
the supplied error code is used.
|
|
|
|
Possible status codes returned by LSGetMessage() include:
|
|
LS_SUCCESS, LS_NO_MSG_TEXT, LS_UNKNOWN_STATUS, and
|
|
LS_BUFFER_TOO_SMALL.
|
|
|
|
*/
|
|
|
|
LS_STATUS_CODE LS_API_ENTRY NtLSGetMessage(
|
|
LS_HANDLE LicenseHandle,
|
|
LS_STATUS_CODE Value,
|
|
LS_STR FAR *Buffer,
|
|
LS_ULONG BufferSize)
|
|
{
|
|
return(LS_TEXT_UNAVAILABLE);
|
|
}
|
|
|
|
/*
|
|
LSQuery()
|
|
Return information about the license system context associated
|
|
with the specified handle.
|
|
|
|
Format
|
|
|
|
Status = LSQuery( [in] LicenseHandle, [in] Information, [out]
|
|
InfoBuffer, [in] BufferSize,
|
|
[out] ActualBufferSize);
|
|
|
|
LS_HANDLE LicenseHandle;
|
|
|
|
LS_ULONG Information;
|
|
|
|
LS_VOID * InfoBuffer;
|
|
|
|
LS_ULONG BufferSize;
|
|
|
|
LS_ULONG * ActualBufferSize;
|
|
|
|
LS_STATUS_CODEStatus;
|
|
|
|
Arguments
|
|
|
|
LicenseHandle Handle identifying the license context. This
|
|
argument must be a handle that was created with
|
|
LSRequest().
|
|
|
|
Information Index which identifies the information to be
|
|
returned.
|
|
|
|
InfoBuffer Points to a buffer in which the resulting
|
|
information is to be placed.
|
|
|
|
BufferSize Maximum size of the buffer pointed to by
|
|
InfoBuffer.
|
|
|
|
ActualBufferSize On entry, points to a LS_ULONG whose value on
|
|
exit indicates the actual count of characters
|
|
returned in the buffer (not including the trailing
|
|
NULL byte).
|
|
|
|
Status Detailed error code that can be directly processed
|
|
by the caller, or which can be converted into a
|
|
localized message string by the LSGetMessage
|
|
function.
|
|
|
|
Description
|
|
|
|
This function is used to obtain information about the license
|
|
obtained from the LSRequest() call. For example, an application may
|
|
determine the license type (demo, concurrent, personal, etc.); time
|
|
restrictions; etc.
|
|
|
|
The buffer should be large enough to accommodate the expected data.
|
|
If the buffer is too small, then the status code
|
|
LS_BUFFER_TOO_SMALL is returned and only BufferSize bytes of data
|
|
are returned.
|
|
|
|
The following Information constants are defined:
|
|
|
|
Information Valu Meaning
|
|
Constant e
|
|
LS_INFO_NONE 0 Reserved.
|
|
LS_INFO_SYSTEM 1 Return the unique identification
|
|
of the license system supplying
|
|
the current license context.
|
|
This is returned as a null-
|
|
terminated string.
|
|
|
|
This value is the same as an
|
|
appropriate call to
|
|
LSEnumProviders() provides.
|
|
|
|
LS_INFO_DATA 2 Return the block of
|
|
miscellaneous application data
|
|
contained on the license. This
|
|
data is completely vendor-
|
|
defined. The amount of space
|
|
allocated for such data will
|
|
vary from license system to
|
|
license system, or may not be
|
|
available at all.
|
|
|
|
The first ULONG in the data
|
|
buffer indicates the size (in
|
|
bytes) of the actual data which
|
|
follows:
|
|
|
|
+------------------------------
|
|
--+
|
|
| ULONG
|
|
|
|
|
| (count of bytes that follow)
|
|
|
|
|
+------------------------------
|
|
--+
|
|
| Vendor data bytes from license
|
|
|
|
|
|
|
|
|
|
|
+------------------------------
|
|
--+
|
|
|
|
LS_UPDATE_PERIO 3 Return the recommended interval
|
|
D (in minutes) at which LSUpdate()
|
|
should be called.
|
|
|
|
+------------------------------
|
|
--+
|
|
| ULONG
|
|
|
|
|
| Recommended Interval
|
|
|
|
|
| (in minutes)
|
|
|
|
|
+------------------------------
|
|
--+
|
|
| ULONG
|
|
|
|
|
| Recommended Minutes until
|
|
|
|
|
| next LSUpdate()call
|
|
|
|
|
+------------------------------
|
|
--+
|
|
|
|
If a value of 0xFFFFFFFF is
|
|
returned for the recommended
|
|
interval, then no recommendation
|
|
is being made.
|
|
|
|
LS_LICENSE_CONT 4 Return a value which uniquely
|
|
EXT identifies the licensing context
|
|
within the specific license
|
|
service provider identified by
|
|
the LicenseHandle.
|
|
|
|
+------------------------------
|
|
--+
|
|
| ULONG
|
|
|
|
|
| Count of Bytes that follow
|
|
|
|
|
+------------------------------
|
|
--+
|
|
| BYTES
|
|
|
|
|
...
|
|
|
|
|
|
|
|
+------------------------------
|
|
--+
|
|
|
|
The contents of the bytes
|
|
returned is license system
|
|
specific. In circumstances where
|
|
license system specific
|
|
functionality is being used,
|
|
this sequence of bytes may be
|
|
used to identify the current
|
|
license context.
|
|
*/
|
|
|
|
LS_STATUS_CODE LS_API_ENTRY NtLSQuery(
|
|
LS_HANDLE LicenseHandle,
|
|
LS_ULONG Information,
|
|
LS_VOID FAR *InfoBuffer,
|
|
LS_ULONG BufferSize,
|
|
LS_ULONG FAR *ActualBufferSize)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch ( Information )
|
|
{
|
|
case LS_INFO_DATA:
|
|
case LS_LICENSE_CONTEXT:
|
|
// set the return buffer to NULL
|
|
if ( InfoBuffer != NULL )
|
|
*((LS_ULONG *)InfoBuffer) = 0;
|
|
|
|
if ( ActualBufferSize != NULL )
|
|
*ActualBufferSize = sizeof( LS_ULONG );
|
|
|
|
break;
|
|
case LS_UPDATE_PERIOD:
|
|
if (( InfoBuffer != NULL ) && ( BufferSize >= sizeof(LS_ULONG)*2 ))
|
|
{
|
|
// set the return balue to no recommendation
|
|
LS_ULONG * uLong = (LS_ULONG*)InfoBuffer;
|
|
*uLong = 0xffffffff;
|
|
uLong++;
|
|
*uLong = 0xffffffff;
|
|
*ActualBufferSize = sizeof(LS_ULONG) * 2;
|
|
}
|
|
break;
|
|
case LS_INFO_NONE:
|
|
case LS_INFO_SYSTEM:
|
|
default:
|
|
// set return buffer to NULL
|
|
if ( InfoBuffer != NULL )
|
|
{
|
|
hr = StringCbCopy(InfoBuffer, BufferSize, (LS_STR*)"");
|
|
ASSERT(SUCCEEDED(hr));
|
|
}
|
|
|
|
if ( ActualBufferSize != NULL )
|
|
*ActualBufferSize = 0;
|
|
|
|
break;
|
|
}
|
|
return(LS_SUCCESS);
|
|
}
|
|
|
|
/*
|
|
LSEnumProviders()
|
|
This call is used to enumerate the installed license system
|
|
service providers.
|
|
|
|
Format
|
|
|
|
Status = LSEnumProviders( [in] Index, [out] Buffer);
|
|
|
|
LS_ULONG Index
|
|
|
|
LS_STR * Buffer
|
|
|
|
LS_STATUS_CODEStatus;
|
|
|
|
Arguments
|
|
|
|
Index Index of the service provider. The first provider
|
|
has an index of zero, the second has an index of
|
|
one, etc. This index should be incremented by the
|
|
caller for each successive call to
|
|
LSEnumProviders() until the status LS_BAD_INDEX is
|
|
returned.
|
|
|
|
Buffer Points to a buffer in which the unique null-
|
|
terminated string identifying the license system
|
|
service provider is to be placed. The buffer
|
|
pointed to by Buffer must be at least 255 bytes
|
|
long. The value of LS_ANY indicates that the
|
|
current index is not in use, but is not the last
|
|
index to obtain.
|
|
|
|
Status Detailed error code that can be directly processed
|
|
by the caller, or which can be converted into a
|
|
localized message string by the LSGetMessage()
|
|
function.
|
|
|
|
Description
|
|
|
|
For each installed provider, a unique string is returned. The
|
|
unique null-terminated string typically identifies the vendor,
|
|
product, and version of the license system. This value is the same
|
|
as an appropriate call to LSQuery(). An Error of LS_BAD_INDEX is
|
|
returned when the value of Index is higher than the number of
|
|
providers currently installed. In a networked environment, the
|
|
version returned is that of the client, not the server.
|
|
|
|
An application may enumerate the installed license system service
|
|
providers by calling LSEnumProviders() successively. The Index is
|
|
passed in and should be incremented by the caller for each call
|
|
until the status LS_BAD_INDEX is returned.
|
|
|
|
*/
|
|
|
|
LS_STATUS_CODE LS_API_ENTRY NtLSEnumProviders(
|
|
LS_ULONG Index,
|
|
LS_STR FAR *Buffer)
|
|
{
|
|
HRESULT hr;
|
|
|
|
// set return buffer to NULL
|
|
if ( Buffer != NULL )
|
|
{
|
|
hr = StringCchCopy( Buffer, 1, (LS_STR*)"");
|
|
ASSERT(SUCCEEDED(hr));
|
|
}
|
|
|
|
return(LS_SUCCESS);
|
|
}
|
|
#endif // OBSOLETE
|
|
|