Source code of Windows XP (NT5)
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/*++
Copyright (c) 1994 - 1996 Microsoft Corporation
Module Name:
Files.c
Abstract:
This module contains routines for copying files specified under the
CopyFiles key of a print queue
Author:
Muhunthan Sivapragasam (Muhunthan Sivapragasam) Nov-27-96
Revision History:
--*/
#include <precomp.h>
WCHAR *szSpoolDirectory = L"\\spool";
extern SPLCLIENT_INFO_1 gSplClientInfo1;
#define PRINTER_ENUM_KEY_SIZE 400
BOOL
ProcessACopyFileKey(
PWSPOOL pSpool,
LPWSTR pszKey,
LPWSTR pszModule,
LPWSTR pszDir,
LPWSTR ppszFiles,
LPWSTR pszSourceDir,
LPWSTR pszTargetDir,
PSPLCLIENT_INFO_1 pSplClientInfo1
)
{
BOOL bRet = FALSE, bFilesUpdated;
DWORD dwLen, dwCount, dwTemp, dwSourceDirSize, dwTargetDirSize;
LPWSTR *ppszFileNames = NULL, pszBuf = NULL, p1, p2;
HINSTANCE hModule = NULL;
DWORD (*pfn)(LPWSTR pszPrinterName,
LPCWSTR pszDirectory,
LPBYTE pSplClientInfo,
DWORD dwLevel,
LPWSTR pszSourceDir,
LPDWORD pcchSourceDirSize,
LPWSTR pszTargetDir,
LPDWORD pcchTargetDirSize,
DWORD dwFlags
);
//
// If a module is given we need to call into to "correct" the path
// We will first try LoadLibrary on the module, if we can't find the module
// we will look in the driver directory for it
//
if ( pszModule && *pszModule ) {
if ( !(hModule = SplLoadLibraryTheCopyFileModule(pSpool, pszModule)) ||
!((FARPROC)pfn = GetProcAddress(hModule, "GenerateCopyFilePaths")) )
goto Cleanup;
dwSourceDirSize = dwTargetDirSize = MAX_PATH;
#if DBG
#else
try {
#endif
//
// On free builds we do not want spooler to crash
//
if ( ERROR_SUCCESS != pfn(pSpool->pName,
pszDir,
(LPVOID)pSplClientInfo1,
1,
pszSourceDir,
&dwSourceDirSize,
pszTargetDir,
&dwTargetDirSize,
COPYFILE_FLAG_CLIENT_SPOOLER) )
#if DBG
goto Cleanup;
#else
leave;
#endif
bRet = TRUE;
#if DBG
#else
} except(1) {
}
#endif
if ( !bRet )
goto Cleanup;
} else {
bRet = TRUE;
}
dwSourceDirSize = wcslen(pszSourceDir);
dwTargetDirSize = wcslen(pszTargetDir);
pszSourceDir[dwSourceDirSize] = L'\\';
pszSourceDir[++dwSourceDirSize] = L'\0';
pszTargetDir[dwTargetDirSize] = L'\0';
//
// First find out number of files and size of one long buffer to put
// all filenames. We need to build fully qualified filenames in the source
// directory
//
for ( dwCount = dwLen = 0, p1 = ppszFiles ; *p1 ; p1 += dwTemp, ++dwCount ) {
dwTemp = wcslen(p1) + 1;
dwLen += dwTemp + dwSourceDirSize;
}
pszBuf = (LPWSTR) AllocSplMem(dwLen * sizeof(WCHAR));
ppszFileNames = (LPWSTR *) AllocSplMem(dwCount * sizeof(LPWSTR));
if ( !pszBuf || !ppszFileNames )
goto Cleanup;
for ( p1 = ppszFiles, p2 = pszBuf, dwCount = dwTemp = 0 ;
*p1 ; p1 += wcslen(p1) + 1, ++dwCount ) {
wcscpy(p2, pszSourceDir);
wcscpy(p2 + dwSourceDirSize, p1);
ppszFileNames[dwCount] = p2;
dwTemp += dwSourceDirSize + wcslen(p1) + 1;
p2 = pszBuf + dwTemp;
}
SPLASSERT(dwTemp == dwLen);
bRet = SplCopyNumberOfFiles(pSpool->pName,
ppszFileNames,
dwCount,
pszTargetDir,
&bFilesUpdated);
if ( bFilesUpdated )
(VOID) SplCopyFileEvent(pSpool->hSplPrinter,
pszKey,
COPYFILE_EVENT_FILES_CHANGED);
Cleanup:
if ( hModule )
FreeLibrary(hModule);
FreeSplMem(pszBuf);
FreeSplMem(ppszFileNames);
return bRet;
}
BOOL
CopyFilesUnderAKey(
PWSPOOL pSpool,
LPWSTR pszSubKey,
PSPLCLIENT_INFO_1 pSplClientInfo1
)
{
BOOL bRet = FALSE;
DWORD dwSize, dwLen, dwType, dwNeeded;
WCHAR szSourceDir[MAX_PATH], szTargetDir[MAX_PATH];
LPWSTR pszDir, ppszFiles, pszModule;
pszDir = ppszFiles = pszModule = NULL;
dwSize = sizeof(szSourceDir);
if ( SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"Directory",
&dwType,
(LPBYTE)szSourceDir,
dwSize,
&dwNeeded) ||
dwType != REG_SZ ||
!(pszDir = AllocSplStr(szSourceDir)) ||
SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"SourceDir",
&dwType,
(LPBYTE)szSourceDir,
dwSize,
&dwNeeded) ||
dwType != REG_SZ ||
dwNeeded + sizeof(WCHAR) > dwSize ||
SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"Files",
&dwType,
(LPBYTE)szTargetDir, // Can't pass NULL
0,
&dwNeeded) != ERROR_MORE_DATA ||
!(ppszFiles = (LPWSTR) AllocSplMem(dwNeeded)) ||
SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"Files",
&dwType,
(LPBYTE)ppszFiles,
dwNeeded,
&dwNeeded) ||
dwType != REG_MULTI_SZ ) {
goto Cleanup;
}
//
// Module name is optional
//
dwLen = SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"Module",
&dwType,
(LPBYTE)szTargetDir,
dwSize,
&dwNeeded);
if ( dwLen == ERROR_SUCCESS ) {
if ( dwType != REG_SZ ||
!(pszModule = AllocSplStr(szTargetDir)) ) {
goto Cleanup;
}
} else if ( dwLen != ERROR_FILE_NOT_FOUND ) {
goto Cleanup;
}
dwLen = dwSize;
//
// Target directory we got from the server is relative to print$.
// We need to convert it to a fully qualified path now
//
if ( !SplGetDriverDir(pSpool->hIniSpooler, szTargetDir, &dwLen) )
goto Cleanup;
szTargetDir[dwLen-1] = L'\\';
dwSize -= dwLen * sizeof(WCHAR);
if ( SplGetPrinterDataEx(pSpool->hSplPrinter,
pszSubKey,
L"TargetDir",
&dwType,
(LPBYTE)(szTargetDir + dwLen),
dwSize,
&dwNeeded) ||
dwType != REG_SZ ) {
goto Cleanup;
}
bRet = ProcessACopyFileKey(pSpool,
pszSubKey,
pszModule,
pszDir,
ppszFiles,
szSourceDir,
szTargetDir,
pSplClientInfo1);
Cleanup:
FreeSplStr(pszDir);
FreeSplStr(ppszFiles);
FreeSplStr(pszModule);
return bRet;
}
BOOL
RefreshPrinterCopyFiles(
PWSPOOL pSpool
)
{
DWORD dwNeeded, dwSize = 0, dwLastError;
LPWSTR pszBuf = NULL, pszSubKey;
WCHAR szUserName[MAX_PATH+1], szKey[MAX_PATH];
SPLCLIENT_INFO_1 SplClientInfo;
if ( pSpool->Type != SJ_WIN32HANDLE )
return TRUE;
SYNCRPCHANDLE(pSpool);
SPLASSERT(pSpool->Status & WSPOOL_STATUS_USE_CACHE);
//
// If it is a 3x server it is not going to support the rpc calls we need
// so there is nothing to copy
//
if ( pSpool->bNt3xServer )
return TRUE;
Retry:
dwLastError = SplEnumPrinterKey(pSpool->hSplPrinter,
L"CopyFiles",
pszBuf,
dwSize,
&dwNeeded);
//
// If first time size was not enough we will try once more with dwNeeded
//
if ( dwLastError == ERROR_MORE_DATA &&
dwSize == 0 &&
dwNeeded != 0 ) {
dwSize = dwNeeded;
pszBuf = AllocSplMem(dwSize);
if ( !pszBuf )
goto Cleanup;
goto Retry;
}
//
// If the call failed, or there was no sub key we are done
//
if ( dwLastError != ERROR_SUCCESS )
goto Cleanup;
CopyMemory((LPBYTE)&SplClientInfo,
(LPBYTE)&gSplClientInfo1,
sizeof(SplClientInfo));
SplClientInfo.pMachineName = SplClientInfo.pUserName = NULL;
for ( pszSubKey = pszBuf ; *pszSubKey ; pszSubKey += wcslen(pszSubKey) + 1 ) {
if ( sizeof(szKey)/sizeof(szKey[0])
> wcslen(L"CopyFiles") + wcslen(pszSubKey) ) {
wsprintf(szKey, L"%ws\\%ws", L"CopyFiles", pszSubKey);
CopyFilesUnderAKey(pSpool, szKey, &SplClientInfo);
} else {
SPLASSERT(sizeof(szKey)/sizeof(szKey[0]) >
wcslen(L"CopyFiles") + wcslen(pszSubKey));
}
}
Cleanup:
FreeSplMem(pszBuf);
return dwLastError == ERROR_SUCCESS;
}