mirror of
https://github.com/reactos/reactos.git
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261 lines
12 KiB
C
261 lines
12 KiB
C
/*
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* PROJECT: ReactOS Local Spooler
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Main functions
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* COPYRIGHT: Copyright 2015-2017 Colin Finck (colin@reactos.org)
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*/
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#include "precomp.h"
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// Global Variables
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HKEY hPrintKey = NULL;
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HKEY hPrintersKey = NULL;
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WCHAR wszJobDirectory[MAX_PATH];
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DWORD cchJobDirectory;
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WCHAR wszSpoolDirectory[MAX_PATH];
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DWORD cchSpoolDirectory;
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// Global Constants
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#include <prtprocenv.h>
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/** This is what the Spooler of Windows Server 2003 returns (for example using GetPrinterDataExW, SPLREG_MAJOR_VERSION/SPLREG_MINOR_VERSION) */
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const DWORD dwSpoolerMajorVersion = 3;
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const DWORD dwSpoolerMinorVersion = 0;
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const WCHAR wszDefaultDocumentName[] = L"Local Downlevel Document";
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PCWSTR wszPrintProviderInfo[3] = {
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L"Windows NT Local Print Providor", // Name
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L"Locally connected Printers", // Comment
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L"Windows NT Local Printers" // Description
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};
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// Local Constants
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static const PRINTPROVIDOR _PrintProviderFunctions = {
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LocalOpenPrinter, // fpOpenPrinter
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LocalSetJob, // fpSetJob
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LocalGetJob, // fpGetJob
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LocalEnumJobs, // fpEnumJobs
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NULL, // fpAddPrinter
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NULL, // fpDeletePrinter
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NULL, // fpSetPrinter
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LocalGetPrinter, // fpGetPrinter
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LocalEnumPrinters, // fpEnumPrinters
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LocalAddPrinterDriver, // fpAddPrinterDriver
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LocalEnumPrinterDrivers, // fpEnumPrinterDrivers
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LocalGetPrinterDriver, // fpGetPrinterDriver
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LocalGetPrinterDriverDirectory, // fpGetPrinterDriverDirectory
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NULL, // fpDeletePrinterDriver
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NULL, // fpAddPrintProcessor
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LocalEnumPrintProcessors, // fpEnumPrintProcessors
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LocalGetPrintProcessorDirectory, // fpGetPrintProcessorDirectory
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NULL, // fpDeletePrintProcessor
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LocalEnumPrintProcessorDatatypes, // fpEnumPrintProcessorDatatypes
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LocalStartDocPrinter, // fpStartDocPrinter
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LocalStartPagePrinter, // fpStartPagePrinter
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LocalWritePrinter, // fpWritePrinter
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LocalEndPagePrinter, // fpEndPagePrinter
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NULL, // fpAbortPrinter
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LocalReadPrinter, // fpReadPrinter
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LocalEndDocPrinter, // fpEndDocPrinter
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LocalAddJob, // fpAddJob
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LocalScheduleJob, // fpScheduleJob
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LocalGetPrinterData, // fpGetPrinterData
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LocalSetPrinterData, // fpSetPrinterData
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NULL, // fpWaitForPrinterChange
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LocalClosePrinter, // fpClosePrinter
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LocalAddForm, // fpAddForm
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LocalDeleteForm, // fpDeleteForm
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LocalGetForm, // fpGetForm
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LocalSetForm, // fpSetForm
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LocalEnumForms, // fpEnumForms
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LocalEnumMonitors, // fpEnumMonitors
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LocalEnumPorts, // fpEnumPorts
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LocalAddPort, // fpAddPort
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LocalConfigurePort, // fpConfigurePort
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LocalDeletePort, // fpDeletePort
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NULL, // fpCreatePrinterIC
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NULL, // fpPlayGdiScriptOnPrinterIC
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NULL, // fpDeletePrinterIC
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NULL, // fpAddPrinterConnection
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NULL, // fpDeletePrinterConnection
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LocalPrinterMessageBox, // fpPrinterMessageBox
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LocalAddMonitor, // fpAddMonitor
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LocalDeleteMonitor, // fpDeleteMonitor
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NULL, // fpResetPrinter
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LocalGetPrinterDriverEx, // fpGetPrinterDriverEx
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NULL, // fpFindFirstPrinterChangeNotification
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NULL, // fpFindClosePrinterChangeNotification
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LocalAddPortEx, // fpAddPortEx
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NULL, // fpShutDown
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NULL, // fpRefreshPrinterChangeNotification
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NULL, // fpOpenPrinterEx
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NULL, // fpAddPrinterEx
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LocalSetPort, // fpSetPort
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NULL, // fpEnumPrinterData
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NULL, // fpDeletePrinterData
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NULL, // fpClusterSplOpen
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NULL, // fpClusterSplClose
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NULL, // fpClusterSplIsAlive
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LocalSetPrinterDataEx, // fpSetPrinterDataEx
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LocalGetPrinterDataEx, // fpGetPrinterDataEx
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NULL, // fpEnumPrinterDataEx
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NULL, // fpEnumPrinterKey
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NULL, // fpDeletePrinterDataEx
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NULL, // fpDeletePrinterKey
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NULL, // fpSeekPrinter
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NULL, // fpDeletePrinterDriverEx
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NULL, // fpAddPerMachineConnection
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NULL, // fpDeletePerMachineConnection
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NULL, // fpEnumPerMachineConnections
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LocalXcvData, // fpXcvData
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LocalAddPrinterDriverEx, // fpAddPrinterDriverEx
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NULL, // fpSplReadPrinter
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NULL, // fpDriverUnloadComplete
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LocalGetSpoolFileInfo, // fpGetSpoolFileInfo
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LocalCommitSpoolData, // fpCommitSpoolData
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LocalCloseSpoolFileHandle, // fpCloseSpoolFileHandle
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NULL, // fpFlushPrinter
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NULL, // fpSendRecvBidiData
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NULL, // fpAddDriverCatalog
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};
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static BOOL
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_InitializeLocalSpooler(void)
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{
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const WCHAR wszPrintersPath[] = L"\\PRINTERS";
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const DWORD cchPrintersPath = _countof(wszPrintersPath) - 1;
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const WCHAR wszSpoolPath[] = L"\\spool";
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const DWORD cchSpoolPath = _countof(wszSpoolPath) - 1;
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const WCHAR wszSymbolicLinkValue[] = L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Print\\Printers";
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const DWORD cbSymbolicLinkValue = sizeof(wszSymbolicLinkValue) - sizeof(WCHAR);
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BOOL bReturnValue = FALSE;
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DWORD cbData;
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DWORD dwErrorCode;
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HKEY hKey = NULL;
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// On startup, always create a volatile symbolic link in the registry if it doesn't exist yet.
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// "SYSTEM\CurrentControlSet\Control\Print\Printers" -> "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Printers"
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//
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// According to https://social.technet.microsoft.com/Forums/windowsserver/en-US/a683ab54-c43c-4ebe-af8f-1f7a65af2a51
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// this is needed when having >900 printers to work around a size limit of the SYSTEM registry hive.
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dwErrorCode = (DWORD)RegCreateKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\Print\\Printers", 0, NULL, REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK, KEY_CREATE_LINK | KEY_SET_VALUE, NULL, &hKey, NULL);
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if (dwErrorCode == ERROR_SUCCESS)
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{
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// Note that wszSymbolicLink has to be stored WITHOUT the terminating null character for the symbolic link to work!
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// See cbSymbolicLinkValue above.
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dwErrorCode = (DWORD)RegSetValueExW(hKey, L"SymbolicLinkValue", 0, REG_LINK, (PBYTE)wszSymbolicLinkValue, cbSymbolicLinkValue);
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if (dwErrorCode != ERROR_SUCCESS)
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{
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ERR("RegSetValueExW failed for the Printers symlink with error %lu!\n", dwErrorCode);
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goto Cleanup;
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}
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}
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else if (dwErrorCode != ERROR_ALREADY_EXISTS)
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{
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ERR("RegCreateKeyExW failed for the Printers symlink with error %lu!\n", dwErrorCode);
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goto Cleanup;
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}
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// Open some registry keys and leave them open. We need them multiple times throughout the Local Spooler.
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dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\Print", 0, KEY_ALL_ACCESS, &hPrintKey);
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if (dwErrorCode != ERROR_SUCCESS)
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{
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ERR("RegOpenKeyExW failed for \"Print\" with error %lu!\n", dwErrorCode);
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goto Cleanup;
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}
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dwErrorCode = (DWORD)RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Print\\Printers", 0, KEY_ALL_ACCESS, &hPrintersKey);
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if (dwErrorCode != ERROR_SUCCESS)
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{
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ERR("RegOpenKeyExW failed for \"Printers\" with error %lu!\n", dwErrorCode);
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goto Cleanup;
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}
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// Construct the path to "%SystemRoot%\system32\spool".
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// Forget about length checks here. If this doesn't fit into MAX_PATH, our OS has more serious problems...
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cchSpoolDirectory = GetSystemDirectoryW(wszSpoolDirectory, MAX_PATH);
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CopyMemory(&wszSpoolDirectory[cchSpoolDirectory], wszSpoolPath, (cchSpoolPath + 1) * sizeof(WCHAR));
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cchSpoolDirectory += cchSpoolPath;
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// Query the job directory.
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cbData = sizeof(wszJobDirectory);
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dwErrorCode = (DWORD)RegQueryValueExW(hPrintersKey, SPLREG_DEFAULT_SPOOL_DIRECTORY, NULL, NULL, (PBYTE)wszJobDirectory, &cbData);
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if (dwErrorCode == ERROR_SUCCESS)
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{
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cchJobDirectory = cbData / sizeof(WCHAR) - 1;
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}
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else if (dwErrorCode == ERROR_FILE_NOT_FOUND)
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{
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// Use the default "%SystemRoot%\system32\spool\PRINTERS".
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CopyMemory(wszJobDirectory, wszSpoolDirectory, cchSpoolDirectory * sizeof(WCHAR));
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CopyMemory(&wszJobDirectory[cchSpoolDirectory], wszPrintersPath, (cchPrintersPath + 1) * sizeof(WCHAR));
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cchJobDirectory = cchSpoolDirectory + cchPrintersPath;
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// Save this for next time.
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RegSetValueExW(hPrintersKey, SPLREG_DEFAULT_SPOOL_DIRECTORY, 0, REG_SZ, (PBYTE)wszJobDirectory, (cchJobDirectory + 1) * sizeof(WCHAR));
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}
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else
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{
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ERR("RegQueryValueExW failed for \"%S\" with error %lu!\n", SPLREG_DEFAULT_SPOOL_DIRECTORY, dwErrorCode);
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goto Cleanup;
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}
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// Initialize all lists.
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if (!InitializePrintMonitorList())
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goto Cleanup;
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if (!InitializePortList())
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goto Cleanup;
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if (!InitializePrintProcessorList())
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goto Cleanup;
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if (!InitializePrinterList())
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goto Cleanup;
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if (!InitializeGlobalJobList())
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goto Cleanup;
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if (!InitializeFormList())
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goto Cleanup;
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if (!InitializePrinterDrivers())
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goto Cleanup;
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// Local Spooler Initialization finished successfully!
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bReturnValue = TRUE;
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Cleanup:
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if (hKey)
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RegCloseKey(hKey);
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return bReturnValue;
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}
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BOOL WINAPI
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DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hinstDLL);
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return _InitializeLocalSpooler();
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default:
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return TRUE;
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}
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}
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BOOL WINAPI
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InitializePrintProvidor(LPPRINTPROVIDOR pPrintProvidor, DWORD cbPrintProvidor, LPWSTR pFullRegistryPath)
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{
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TRACE("InitializePrintProvidor(%p, %lu, %S)\n", pPrintProvidor, cbPrintProvidor, pFullRegistryPath);
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CopyMemory(pPrintProvidor, &_PrintProviderFunctions, min(cbPrintProvidor, sizeof(PRINTPROVIDOR)));
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SetLastError(ERROR_SUCCESS);
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return TRUE;
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}
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