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reactos/win32ss/printing/base/winspool/printers.c

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/*
* PROJECT: ReactOS Spooler API
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: Functions related to Printers and printing
* COPYRIGHT: Copyright 2015-2017 Colin Finck (colin@reactos.org)
*/
#include "precomp.h"
// Local Constants
/** And the award for the most confusingly named setting goes to "Device", for storing the default printer of the current user.
Ok, I admit that this has historical reasons. It's still not straightforward in any way though! */
static const WCHAR wszWindowsKey[] = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows";
static const WCHAR wszDeviceValue[] = L"Device";
static void
_MarshallUpPrinterInfo(PBYTE* ppPrinterInfo, DWORD Level)
{
// Replace relative offset addresses in the output by absolute pointers and advance to the next structure.
if (Level == 0)
{
PPRINTER_INFO_STRESS pPrinterInfo0 = (PPRINTER_INFO_STRESS)(*ppPrinterInfo);
pPrinterInfo0->pPrinterName = (PWSTR)((ULONG_PTR)pPrinterInfo0->pPrinterName + (ULONG_PTR)pPrinterInfo0);
if (pPrinterInfo0->pServerName)
pPrinterInfo0->pServerName = (PWSTR)((ULONG_PTR)pPrinterInfo0->pServerName + (ULONG_PTR)pPrinterInfo0);
*ppPrinterInfo += sizeof(PRINTER_INFO_STRESS);
}
else if (Level == 1)
{
PPRINTER_INFO_1W pPrinterInfo1 = (PPRINTER_INFO_1W)(*ppPrinterInfo);
pPrinterInfo1->pName = (PWSTR)((ULONG_PTR)pPrinterInfo1->pName + (ULONG_PTR)pPrinterInfo1);
pPrinterInfo1->pDescription = (PWSTR)((ULONG_PTR)pPrinterInfo1->pDescription + (ULONG_PTR)pPrinterInfo1);
pPrinterInfo1->pComment = (PWSTR)((ULONG_PTR)pPrinterInfo1->pComment + (ULONG_PTR)pPrinterInfo1);
*ppPrinterInfo += sizeof(PRINTER_INFO_1W);
}
else if (Level == 2)
{
PPRINTER_INFO_2W pPrinterInfo2 = (PPRINTER_INFO_2W)(*ppPrinterInfo);
pPrinterInfo2->pPrinterName = (PWSTR)((ULONG_PTR)pPrinterInfo2->pPrinterName + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pShareName = (PWSTR)((ULONG_PTR)pPrinterInfo2->pShareName + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pPortName = (PWSTR)((ULONG_PTR)pPrinterInfo2->pPortName + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pDriverName = (PWSTR)((ULONG_PTR)pPrinterInfo2->pDriverName + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pComment = (PWSTR)((ULONG_PTR)pPrinterInfo2->pComment + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pLocation = (PWSTR)((ULONG_PTR)pPrinterInfo2->pLocation + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pDevMode = (PDEVMODEW)((ULONG_PTR)pPrinterInfo2->pDevMode + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pSepFile = (PWSTR)((ULONG_PTR)pPrinterInfo2->pSepFile + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pPrintProcessor = (PWSTR)((ULONG_PTR)pPrinterInfo2->pPrintProcessor + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pDatatype = (PWSTR)((ULONG_PTR)pPrinterInfo2->pDatatype + (ULONG_PTR)pPrinterInfo2);
pPrinterInfo2->pParameters = (PWSTR)((ULONG_PTR)pPrinterInfo2->pParameters + (ULONG_PTR)pPrinterInfo2);
if (pPrinterInfo2->pServerName)
pPrinterInfo2->pServerName = (PWSTR)((ULONG_PTR)pPrinterInfo2->pServerName + (ULONG_PTR)pPrinterInfo2);
if (pPrinterInfo2->pSecurityDescriptor)
pPrinterInfo2->pSecurityDescriptor = (PSECURITY_DESCRIPTOR)((ULONG_PTR)pPrinterInfo2->pSecurityDescriptor + (ULONG_PTR)pPrinterInfo2);
*ppPrinterInfo += sizeof(PRINTER_INFO_2W);
}
else if (Level == 3)
{
PPRINTER_INFO_3 pPrinterInfo3 = (PPRINTER_INFO_3)(*ppPrinterInfo);
pPrinterInfo3->pSecurityDescriptor = (PSECURITY_DESCRIPTOR)((ULONG_PTR)pPrinterInfo3->pSecurityDescriptor + (ULONG_PTR)pPrinterInfo3);
*ppPrinterInfo += sizeof(PRINTER_INFO_3);
}
else if (Level == 4)
{
PPRINTER_INFO_4W pPrinterInfo4 = (PPRINTER_INFO_4W)(*ppPrinterInfo);
pPrinterInfo4->pPrinterName = (PWSTR)((ULONG_PTR)pPrinterInfo4->pPrinterName + (ULONG_PTR)pPrinterInfo4);
if (pPrinterInfo4->pServerName)
pPrinterInfo4->pServerName = (PWSTR)((ULONG_PTR)pPrinterInfo4->pServerName + (ULONG_PTR)pPrinterInfo4);
*ppPrinterInfo += sizeof(PRINTER_INFO_4W);
}
else if (Level == 5)
{
PPRINTER_INFO_5W pPrinterInfo5 = (PPRINTER_INFO_5W)(*ppPrinterInfo);
pPrinterInfo5->pPrinterName = (PWSTR)((ULONG_PTR)pPrinterInfo5->pPrinterName + (ULONG_PTR)pPrinterInfo5);
pPrinterInfo5->pPortName = (PWSTR)((ULONG_PTR)pPrinterInfo5->pPortName + (ULONG_PTR)pPrinterInfo5);
*ppPrinterInfo += sizeof(PRINTER_INFO_5W);
}
else if (Level == 6)
{
*ppPrinterInfo += sizeof(PRINTER_INFO_6);
}
else if (Level == 7)
{
PPRINTER_INFO_7W pPrinterInfo7 = (PPRINTER_INFO_7W)(*ppPrinterInfo);
if (pPrinterInfo7->pszObjectGUID)
pPrinterInfo7->pszObjectGUID = (PWSTR)((ULONG_PTR)pPrinterInfo7->pszObjectGUID + (ULONG_PTR)pPrinterInfo7);
*ppPrinterInfo += sizeof(PRINTER_INFO_7W);
}
else if (Level == 8)
{
PPRINTER_INFO_8W pPrinterInfo8 = (PPRINTER_INFO_8W)(*ppPrinterInfo);
pPrinterInfo8->pDevMode = (PDEVMODEW)((ULONG_PTR)pPrinterInfo8->pDevMode + (ULONG_PTR)pPrinterInfo8);
*ppPrinterInfo += sizeof(PRINTER_INFO_8W);
}
else if (Level == 9)
{
PPRINTER_INFO_9W pPrinterInfo9 = (PPRINTER_INFO_9W)(*ppPrinterInfo);
pPrinterInfo9->pDevMode = (PDEVMODEW)((ULONG_PTR)pPrinterInfo9->pDevMode + (ULONG_PTR)pPrinterInfo9);
*ppPrinterInfo += sizeof(PRINTER_INFO_9W);
}
}
static DWORD
_StartDocPrinterSpooled(PSPOOLER_HANDLE pHandle, PDOC_INFO_1W pDocInfo1, PADDJOB_INFO_1W pAddJobInfo1)
{
DWORD cbNeeded;
DWORD dwErrorCode;
PJOB_INFO_1W pJobInfo1 = NULL;
// Create the spool file.
pHandle->hSPLFile = CreateFileW(pAddJobInfo1->Path, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
if (pHandle->hSPLFile == INVALID_HANDLE_VALUE)
{
dwErrorCode = GetLastError();
ERR("CreateFileW failed for \"%S\" with error %lu!\n", pAddJobInfo1->Path, dwErrorCode);
goto Cleanup;
}
// Get the size of the job information.
GetJobW((HANDLE)pHandle, pAddJobInfo1->JobId, 1, NULL, 0, &cbNeeded);
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
dwErrorCode = GetLastError();
ERR("GetJobW failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
// Allocate enough memory for the returned job information.
pJobInfo1 = HeapAlloc(hProcessHeap, 0, cbNeeded);
if (!pJobInfo1)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
// Get the job information.
if (!GetJobW((HANDLE)pHandle, pAddJobInfo1->JobId, 1, (PBYTE)pJobInfo1, cbNeeded, &cbNeeded))
{
dwErrorCode = GetLastError();
ERR("GetJobW failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
// Add our document information.
if (pDocInfo1->pDatatype)
pJobInfo1->pDatatype = pDocInfo1->pDatatype;
pJobInfo1->pDocument = pDocInfo1->pDocName;
// Set the new job information.
if (!SetJobW((HANDLE)pHandle, pAddJobInfo1->JobId, 1, (PBYTE)pJobInfo1, 0))
{
dwErrorCode = GetLastError();
ERR("SetJobW failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
// We were successful!
pHandle->dwJobID = pAddJobInfo1->JobId;
dwErrorCode = ERROR_SUCCESS;
Cleanup:
if (pJobInfo1)
HeapFree(hProcessHeap, 0, pJobInfo1);
return dwErrorCode;
}
static DWORD
_StartDocPrinterWithRPC(PSPOOLER_HANDLE pHandle, PDOC_INFO_1W pDocInfo1)
{
DWORD dwErrorCode;
WINSPOOL_DOC_INFO_CONTAINER DocInfoContainer;
DocInfoContainer.Level = 1;
DocInfoContainer.DocInfo.pDocInfo1 = (WINSPOOL_DOC_INFO_1*)pDocInfo1;
RpcTryExcept
{
dwErrorCode = _RpcStartDocPrinter(pHandle->hPrinter, &DocInfoContainer, &pHandle->dwJobID);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcStartDocPrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
return dwErrorCode;
}
HANDLE WINAPI
AddPrinterW(PWSTR pName, DWORD Level, PBYTE pPrinter)
{
UNIMPLEMENTED;
return NULL;
}
BOOL WINAPI
ClosePrinter(HANDLE hPrinter)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
// Do the RPC call.
RpcTryExcept
{
dwErrorCode = _RpcClosePrinter(&pHandle->hPrinter);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcClosePrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
// Close any open file handle.
if (pHandle->hSPLFile != INVALID_HANDLE_VALUE)
CloseHandle(pHandle->hSPLFile);
// Free the memory for the handle.
HeapFree(hProcessHeap, 0, pHandle);
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
DWORD WINAPI
DeviceCapabilitiesA(LPCSTR pDevice, LPCSTR pPort, WORD fwCapability, LPSTR pOutput, const DEVMODEA* pDevMode)
{
return 0;
}
DWORD WINAPI
DeviceCapabilitiesW(LPCWSTR pDevice, LPCWSTR pPort, WORD fwCapability, LPWSTR pOutput, const DEVMODEW* pDevMode)
{
return 0;
}
LONG WINAPI
DocumentPropertiesA(HWND hWnd, HANDLE hPrinter, LPSTR pDeviceName, PDEVMODEA pDevModeOutput, PDEVMODEA pDevModeInput, DWORD fMode)
{
return 0;
}
LONG WINAPI
DocumentPropertiesW(HWND hWnd, HANDLE hPrinter, LPWSTR pDeviceName, PDEVMODEW pDevModeOutput, PDEVMODEW pDevModeInput, DWORD fMode)
{
return 0;
}
BOOL WINAPI
EndDocPrinter(HANDLE hPrinter)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
if (pHandle->hSPLFile != INVALID_HANDLE_VALUE)
{
// For spooled jobs, the document is finished by calling _RpcScheduleJob.
RpcTryExcept
{
dwErrorCode = _RpcScheduleJob(pHandle->hPrinter, pHandle->dwJobID);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcScheduleJob failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
// Close the spool file handle.
CloseHandle(pHandle->hSPLFile);
}
else
{
// In all other cases, just call _RpcEndDocPrinter.
RpcTryExcept
{
dwErrorCode = _RpcEndDocPrinter(pHandle->hPrinter);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcEndDocPrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
}
// A new document can now be started again.
pHandle->bStartedDoc = FALSE;
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
EndPagePrinter(HANDLE hPrinter)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
if (pHandle->hSPLFile != INVALID_HANDLE_VALUE)
{
// For spooled jobs, we don't need to do anything.
dwErrorCode = ERROR_SUCCESS;
}
else
{
// In all other cases, just call _RpcEndPagePrinter.
RpcTryExcept
{
dwErrorCode = _RpcEndPagePrinter(pHandle->hPrinter);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcEndPagePrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
}
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
EnumPrintersA(DWORD Flags, PSTR Name, DWORD Level, PBYTE pPrinterEnum, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
{
return FALSE;
}
BOOL WINAPI
EnumPrintersW(DWORD Flags, PWSTR Name, DWORD Level, PBYTE pPrinterEnum, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
{
DWORD dwErrorCode;
// Dismiss invalid levels already at this point.
if (Level == 3 || Level > 5)
{
dwErrorCode = ERROR_INVALID_LEVEL;
goto Cleanup;
}
if (cbBuf && pPrinterEnum)
ZeroMemory(pPrinterEnum, cbBuf);
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcEnumPrinters(Flags, Name, Level, pPrinterEnum, cbBuf, pcbNeeded, pcReturned);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcEnumPrinters failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
if (dwErrorCode == ERROR_SUCCESS)
{
DWORD i;
PBYTE p = pPrinterEnum;
for (i = 0; i < *pcReturned; i++)
_MarshallUpPrinterInfo(&p, Level);
}
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
GetDefaultPrinterA(LPSTR pszBuffer, LPDWORD pcchBuffer)
{
DWORD dwErrorCode;
PWSTR pwszBuffer = NULL;
// Sanity check.
if (!pcchBuffer)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
// Check if an ANSI buffer was given and if so, allocate a Unicode buffer of the same size.
if (pszBuffer && *pcchBuffer)
{
pwszBuffer = HeapAlloc(hProcessHeap, 0, *pcchBuffer * sizeof(WCHAR));
if (!pwszBuffer)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
}
if (!GetDefaultPrinterW(pwszBuffer, pcchBuffer))
{
dwErrorCode = GetLastError();
goto Cleanup;
}
dwErrorCode = ERROR_SUCCESS;
Cleanup:
if (pwszBuffer)
HeapFree(hProcessHeap, 0, pwszBuffer);
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
GetDefaultPrinterW(LPWSTR pszBuffer, LPDWORD pcchBuffer)
{
DWORD cbNeeded;
DWORD cchInputBuffer;
DWORD dwErrorCode;
HKEY hWindowsKey = NULL;
PWSTR pwszDevice = NULL;
PWSTR pwszComma;
// Sanity check.
if (!pcchBuffer)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
cchInputBuffer = *pcchBuffer;
// Open the registry key where the default printer for the current user is stored.
dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_CURRENT_USER, wszWindowsKey, 0, KEY_READ, &hWindowsKey);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegOpenKeyExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// Determine the size of the required buffer.
dwErrorCode = (DWORD)RegQueryValueExW(hWindowsKey, wszDeviceValue, NULL, NULL, NULL, &cbNeeded);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegQueryValueExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// Allocate it.
pwszDevice = HeapAlloc(hProcessHeap, 0, cbNeeded);
if (!pwszDevice)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
// Now get the actual value.
dwErrorCode = RegQueryValueExW(hWindowsKey, wszDeviceValue, NULL, NULL, (PBYTE)pwszDevice, &cbNeeded);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegQueryValueExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// We get a string "<Printer Name>,winspool,<Port>:".
// Extract the printer name from it.
pwszComma = wcschr(pwszDevice, L',');
if (!pwszComma)
{
ERR("Found no or invalid default printer: %S!\n", pwszDevice);
dwErrorCode = ERROR_INVALID_NAME;
goto Cleanup;
}
// Store the length of the Printer Name (including the terminating NUL character!) in *pcchBuffer.
*pcchBuffer = pwszComma - pwszDevice + 1;
// Check if the supplied buffer is large enough.
if (cchInputBuffer < *pcchBuffer)
{
dwErrorCode = ERROR_INSUFFICIENT_BUFFER;
goto Cleanup;
}
// Copy the default printer.
*pwszComma = 0;
CopyMemory(pszBuffer, pwszDevice, *pcchBuffer * sizeof(WCHAR));
dwErrorCode = ERROR_SUCCESS;
Cleanup:
if (hWindowsKey)
RegCloseKey(hWindowsKey);
if (pwszDevice)
HeapFree(hProcessHeap, 0, pwszDevice);
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
GetPrinterA(HANDLE hPrinter, DWORD Level, LPBYTE pPrinter, DWORD cbBuf, LPDWORD pcbNeeded)
{
return FALSE;
}
BOOL WINAPI
GetPrinterDriverA(HANDLE hPrinter, LPSTR pEnvironment, DWORD Level, LPBYTE pDriverInfo, DWORD cbBuf, LPDWORD pcbNeeded)
{
return FALSE;
}
BOOL WINAPI
GetPrinterDriverW(HANDLE hPrinter, LPWSTR pEnvironment, DWORD Level, LPBYTE pDriverInfo, DWORD cbBuf, LPDWORD pcbNeeded)
{
return FALSE;
}
BOOL WINAPI
GetPrinterW(HANDLE hPrinter, DWORD Level, LPBYTE pPrinter, DWORD cbBuf, LPDWORD pcbNeeded)
{
DWORD dwErrorCode;
// Dismiss invalid levels already at this point.
if (Level > 9)
{
dwErrorCode = ERROR_INVALID_LEVEL;
goto Cleanup;
}
if (cbBuf && pPrinter)
ZeroMemory(pPrinter, cbBuf);
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcGetPrinter(hPrinter, Level, pPrinter, cbBuf, pcbNeeded);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcGetPrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
if (dwErrorCode == ERROR_SUCCESS)
{
PBYTE p = pPrinter;
_MarshallUpPrinterInfo(&p, Level);
}
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
OpenPrinterA(LPSTR pPrinterName, LPHANDLE phPrinter, LPPRINTER_DEFAULTSA pDefault)
{
BOOL bReturnValue = FALSE;
DWORD cch;
PWSTR pwszPrinterName = NULL;
PRINTER_DEFAULTSW wDefault = { 0 };
if (pPrinterName)
{
// Convert pPrinterName to a Unicode string pwszPrinterName
cch = strlen(pPrinterName);
pwszPrinterName = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!pwszPrinterName)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pPrinterName, -1, pwszPrinterName, cch + 1);
}
if (pDefault)
{
wDefault.DesiredAccess = pDefault->DesiredAccess;
if (pDefault->pDatatype)
{
// Convert pDefault->pDatatype to a Unicode string wDefault.pDatatype
cch = strlen(pDefault->pDatatype);
wDefault.pDatatype = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!wDefault.pDatatype)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pDefault->pDatatype, -1, wDefault.pDatatype, cch + 1);
}
if (pDefault->pDevMode)
wDefault.pDevMode = GdiConvertToDevmodeW(pDefault->pDevMode);
}
bReturnValue = OpenPrinterW(pwszPrinterName, phPrinter, &wDefault);
Cleanup:
if (wDefault.pDatatype)
HeapFree(hProcessHeap, 0, wDefault.pDatatype);
if (wDefault.pDevMode)
HeapFree(hProcessHeap, 0, wDefault.pDevMode);
if (pwszPrinterName)
HeapFree(hProcessHeap, 0, pwszPrinterName);
return bReturnValue;
}
BOOL WINAPI
OpenPrinterW(LPWSTR pPrinterName, LPHANDLE phPrinter, LPPRINTER_DEFAULTSW pDefault)
{
DWORD dwErrorCode;
HANDLE hPrinter;
PSPOOLER_HANDLE pHandle;
PWSTR pDatatype = NULL;
WINSPOOL_DEVMODE_CONTAINER DevModeContainer = { 0 };
ACCESS_MASK AccessRequired = 0;
// Sanity check
if (!phPrinter)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
// Prepare the additional parameters in the format required by _RpcOpenPrinter
if (pDefault)
{
pDatatype = pDefault->pDatatype;
DevModeContainer.cbBuf = sizeof(DEVMODEW);
DevModeContainer.pDevMode = (BYTE*)pDefault->pDevMode;
AccessRequired = pDefault->DesiredAccess;
}
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcOpenPrinter(pPrinterName, &hPrinter, pDatatype, &DevModeContainer, AccessRequired);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcOpenPrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
if (dwErrorCode == ERROR_SUCCESS)
{
// Create a new SPOOLER_HANDLE structure.
pHandle = HeapAlloc(hProcessHeap, HEAP_ZERO_MEMORY, sizeof(SPOOLER_HANDLE));
if (!pHandle)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
pHandle->hPrinter = hPrinter;
pHandle->hSPLFile = INVALID_HANDLE_VALUE;
// Return it as phPrinter.
*phPrinter = (HANDLE)pHandle;
}
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
ReadPrinter(HANDLE hPrinter, PVOID pBuf, DWORD cbBuf, PDWORD pNoBytesRead)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcReadPrinter(pHandle->hPrinter, pBuf, cbBuf, pNoBytesRead);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcReadPrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
ResetPrinterW(HANDLE hPrinter, PPRINTER_DEFAULTSW pDefault)
{
UNIMPLEMENTED;
return FALSE;
}
BOOL WINAPI
SetDefaultPrinterA(LPCSTR pszPrinter)
{
BOOL bReturnValue = FALSE;
DWORD cch;
PWSTR pwszPrinter = NULL;
if (pszPrinter)
{
// Convert pszPrinter to a Unicode string pwszPrinter
cch = strlen(pszPrinter);
pwszPrinter = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!pwszPrinter)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pszPrinter, -1, pwszPrinter, cch + 1);
}
bReturnValue = SetDefaultPrinterW(pwszPrinter);
Cleanup:
if (pwszPrinter)
HeapFree(hProcessHeap, 0, pwszPrinter);
return bReturnValue;
}
BOOL WINAPI
SetDefaultPrinterW(LPCWSTR pszPrinter)
{
const WCHAR wszDevicesKey[] = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Devices";
DWORD cbDeviceValueData;
DWORD cbPrinterValueData = 0;
DWORD cchPrinter;
DWORD dwErrorCode;
HKEY hDevicesKey = NULL;
HKEY hWindowsKey = NULL;
PWSTR pwszDeviceValueData = NULL;
WCHAR wszPrinter[MAX_PRINTER_NAME + 1];
// Open the Devices registry key.
dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_CURRENT_USER, wszDevicesKey, 0, KEY_READ, &hDevicesKey);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegOpenKeyExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// Did the caller give us a printer to set as default?
if (pszPrinter && *pszPrinter)
{
// Check if the given printer exists and query the value data size.
dwErrorCode = (DWORD)RegQueryValueExW(hDevicesKey, pszPrinter, NULL, NULL, NULL, &cbPrinterValueData);
if (dwErrorCode == ERROR_FILE_NOT_FOUND)
{
dwErrorCode = ERROR_INVALID_PRINTER_NAME;
goto Cleanup;
}
else if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegQueryValueExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
cchPrinter = wcslen(pszPrinter);
}
else
{
// If there is already a default printer, we're done!
cchPrinter = _countof(wszPrinter);
if (GetDefaultPrinterW(wszPrinter, &cchPrinter))
{
dwErrorCode = ERROR_SUCCESS;
goto Cleanup;
}
// Otherwise, get us the first printer from the "Devices" key to later set it as default and query the value data size.
cchPrinter = _countof(wszPrinter);
dwErrorCode = (DWORD)RegEnumValueW(hDevicesKey, 0, wszPrinter, &cchPrinter, NULL, NULL, NULL, &cbPrinterValueData);
if (dwErrorCode != ERROR_MORE_DATA)
goto Cleanup;
pszPrinter = wszPrinter;
}
// We now need to query the value data, which has the format "winspool,<Port>:"
// and make "<Printer Name>,winspool,<Port>:" out of it.
// Allocate a buffer large enough for the final data.
cbDeviceValueData = (cchPrinter + 1) * sizeof(WCHAR) + cbPrinterValueData;
pwszDeviceValueData = HeapAlloc(hProcessHeap, 0, cbDeviceValueData);
if (!pwszDeviceValueData)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
// Copy the Printer Name and a comma into it.
CopyMemory(pwszDeviceValueData, pszPrinter, cchPrinter * sizeof(WCHAR));
pwszDeviceValueData[cchPrinter] = L',';
// Append the value data, which has the format "winspool,<Port>:"
dwErrorCode = (DWORD)RegQueryValueExW(hDevicesKey, pszPrinter, NULL, NULL, (PBYTE)&pwszDeviceValueData[cchPrinter + 1], &cbPrinterValueData);
if (dwErrorCode != ERROR_SUCCESS)
goto Cleanup;
// Open the Windows registry key.
dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_CURRENT_USER, wszWindowsKey, 0, KEY_SET_VALUE, &hWindowsKey);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegOpenKeyExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
// Store our new default printer.
dwErrorCode = (DWORD)RegSetValueExW(hWindowsKey, wszDeviceValue, 0, REG_SZ, (PBYTE)pwszDeviceValueData, cbDeviceValueData);
if (dwErrorCode != ERROR_SUCCESS)
{
ERR("RegSetValueExW failed with status %lu!\n", dwErrorCode);
goto Cleanup;
}
Cleanup:
if (hDevicesKey)
RegCloseKey(hDevicesKey);
if (hWindowsKey)
RegCloseKey(hWindowsKey);
if (pwszDeviceValueData)
HeapFree(hProcessHeap, 0, pwszDeviceValueData);
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
SetPrinterW(HANDLE hPrinter, DWORD Level, PBYTE pPrinter, DWORD Command)
{
UNIMPLEMENTED;
return FALSE;
}
DWORD WINAPI
StartDocPrinterA(HANDLE hPrinter, DWORD Level, PBYTE pDocInfo)
{
DOC_INFO_1W wDocInfo1 = { 0 };
DWORD cch;
DWORD dwErrorCode;
DWORD dwReturnValue = 0;
PDOC_INFO_1A pDocInfo1 = (PDOC_INFO_1A)pDocInfo;
// Only check the minimum required for accessing pDocInfo.
// Additional sanity checks are done in StartDocPrinterW.
if (!pDocInfo1)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
if (Level != 1)
{
dwErrorCode = ERROR_INVALID_LEVEL;
goto Cleanup;
}
if (pDocInfo1->pDatatype)
{
// Convert pDocInfo1->pDatatype to a Unicode string wDocInfo1.pDatatype
cch = strlen(pDocInfo1->pDatatype);
wDocInfo1.pDatatype = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!wDocInfo1.pDatatype)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pDocInfo1->pDatatype, -1, wDocInfo1.pDatatype, cch + 1);
}
if (pDocInfo1->pDocName)
{
// Convert pDocInfo1->pDocName to a Unicode string wDocInfo1.pDocName
cch = strlen(pDocInfo1->pDocName);
wDocInfo1.pDocName = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!wDocInfo1.pDocName)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pDocInfo1->pDocName, -1, wDocInfo1.pDocName, cch + 1);
}
if (pDocInfo1->pOutputFile)
{
// Convert pDocInfo1->pOutputFile to a Unicode string wDocInfo1.pOutputFile
cch = strlen(pDocInfo1->pOutputFile);
wDocInfo1.pOutputFile = HeapAlloc(hProcessHeap, 0, (cch + 1) * sizeof(WCHAR));
if (!wDocInfo1.pOutputFile)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
MultiByteToWideChar(CP_ACP, 0, pDocInfo1->pOutputFile, -1, wDocInfo1.pOutputFile, cch + 1);
}
dwReturnValue = StartDocPrinterW(hPrinter, Level, (PBYTE)&wDocInfo1);
dwErrorCode = GetLastError();
Cleanup:
if (wDocInfo1.pDatatype)
HeapFree(hProcessHeap, 0, wDocInfo1.pDatatype);
if (wDocInfo1.pDocName)
HeapFree(hProcessHeap, 0, wDocInfo1.pDocName);
if (wDocInfo1.pOutputFile)
HeapFree(hProcessHeap, 0, wDocInfo1.pOutputFile);
SetLastError(dwErrorCode);
return dwReturnValue;
}
DWORD WINAPI
StartDocPrinterW(HANDLE hPrinter, DWORD Level, PBYTE pDocInfo)
{
DWORD cbAddJobInfo1;
DWORD cbNeeded;
DWORD dwErrorCode;
DWORD dwReturnValue = 0;
PADDJOB_INFO_1W pAddJobInfo1 = NULL;
PDOC_INFO_1W pDocInfo1 = (PDOC_INFO_1W)pDocInfo;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
if (!pDocInfo1)
{
dwErrorCode = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
if (Level != 1)
{
dwErrorCode = ERROR_INVALID_LEVEL;
goto Cleanup;
}
if (pHandle->bStartedDoc)
{
dwErrorCode = ERROR_INVALID_PRINTER_STATE;
goto Cleanup;
}
// Check if we want to redirect output into a file.
if (pDocInfo1->pOutputFile)
{
// Do a StartDocPrinter RPC call in this case.
dwErrorCode = _StartDocPrinterWithRPC(pHandle, pDocInfo1);
}
else
{
// Allocate memory for the ADDJOB_INFO_1W structure and a path.
cbAddJobInfo1 = sizeof(ADDJOB_INFO_1W) + MAX_PATH * sizeof(WCHAR);
pAddJobInfo1 = HeapAlloc(hProcessHeap, 0, cbAddJobInfo1);
if (!pAddJobInfo1)
{
dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
ERR("HeapAlloc failed!\n");
goto Cleanup;
}
// Try to add a new job.
// This only succeeds if the printer is set to do spooled printing.
if (AddJobW((HANDLE)pHandle, 1, (PBYTE)pAddJobInfo1, cbAddJobInfo1, &cbNeeded))
{
// Do spooled printing.
dwErrorCode = _StartDocPrinterSpooled(pHandle, pDocInfo1, pAddJobInfo1);
}
else if (GetLastError() == ERROR_INVALID_ACCESS)
{
// ERROR_INVALID_ACCESS is returned when the printer is set to do direct printing.
// In this case, we do a StartDocPrinter RPC call.
dwErrorCode = _StartDocPrinterWithRPC(pHandle, pDocInfo1);
}
else
{
dwErrorCode = GetLastError();
ERR("AddJobW failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
}
if (dwErrorCode == ERROR_SUCCESS)
{
pHandle->bStartedDoc = TRUE;
dwReturnValue = pHandle->dwJobID;
}
Cleanup:
if (pAddJobInfo1)
HeapFree(hProcessHeap, 0, pAddJobInfo1);
SetLastError(dwErrorCode);
return dwReturnValue;
}
BOOL WINAPI
StartPagePrinter(HANDLE hPrinter)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcStartPagePrinter(pHandle->hPrinter);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcStartPagePrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
WritePrinter(HANDLE hPrinter, PVOID pBuf, DWORD cbBuf, PDWORD pcWritten)
{
DWORD dwErrorCode;
PSPOOLER_HANDLE pHandle = (PSPOOLER_HANDLE)hPrinter;
// Sanity checks.
if (!pHandle)
{
dwErrorCode = ERROR_INVALID_HANDLE;
goto Cleanup;
}
if (!pHandle->bStartedDoc)
{
dwErrorCode = ERROR_SPL_NO_STARTDOC;
goto Cleanup;
}
if (pHandle->hSPLFile != INVALID_HANDLE_VALUE)
{
// Write to the spool file. This doesn't need an RPC request.
if (!WriteFile(pHandle->hSPLFile, pBuf, cbBuf, pcWritten, NULL))
{
dwErrorCode = GetLastError();
ERR("WriteFile failed with error %lu!\n", dwErrorCode);
goto Cleanup;
}
dwErrorCode = ERROR_SUCCESS;
}
else
{
// TODO: This case (for direct printing or remote printing) has bad performance if multiple small-sized WritePrinter calls are performed.
// We may increase performance by writing into a buffer and only doing a single RPC call when the buffer is full.
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcWritePrinter(pHandle->hPrinter, pBuf, cbBuf, pcWritten);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcWritePrinter failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
}
Cleanup:
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}
BOOL WINAPI
XcvDataW(HANDLE hXcv, PCWSTR pszDataName, PBYTE pInputData, DWORD cbInputData, PBYTE pOutputData, DWORD cbOutputData, PDWORD pcbOutputNeeded, PDWORD pdwStatus)
{
return FALSE;
}
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