xref: /aoo41x/main/tools/source/fsys/filecopy.cxx (revision 79aad27f)
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8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_tools.hxx"
26 
27 #if defined WNT
28 #ifndef _SVWIN_H
29 #include <io.h>
30 #include <tools/svwin.h>
31 #endif
32 
33 #elif defined(OS2)
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #include <fcntl.h>
37 #include <share.h>
38 #include <io.h>
39 
40 #elif defined UNX
41 #include <fcntl.h>
42 #include <unistd.h>
43 #include <sys/stat.h>
44 
45 #endif
46 
47 #include <ctype.h>
48 #include <errno.h>
49 #include <stdlib.h>
50 #include <string.h>
51 
52 #include <stdio.h>
53 #include "comdep.hxx"
54 #include <tools/fsys.hxx>
55 #include <tools/stream.hxx>
56 #include <osl/file.hxx>
57 
58 using namespace ::osl;
59 
60 /*************************************************************************
61 |*
62 |*    FileCopier::FileCopier()
63 |*
64 |*    Beschreibung      FSYS.SDW
65 |*    Ersterstellung    MI 13.04.94
66 |*    Letzte Aenderung  MI 13.04.94
67 |*
68 *************************************************************************/
69 
FileCopier()70 FileCopier::FileCopier() :
71 
72 	nBytesTotal	( 0 ),
73 	nBytesCopied( 0 ),
74 	nBlockSize	( 4096 ),
75 	pImp		( new FileCopier_Impl )
76 
77 {
78 }
79 
80 // -----------------------------------------------------------------------
81 
FileCopier(const DirEntry & rSource,const DirEntry & rTarget)82 FileCopier::FileCopier( const DirEntry& rSource, const DirEntry& rTarget ) :
83 
84 	aSource		( rSource ),
85 	aTarget		( rTarget ),
86 	nBytesTotal	( 0 ),
87 	nBytesCopied( 0 ),
88 	nBlockSize	( 4096 ),
89 	pImp		( new FileCopier_Impl )
90 
91 {
92 }
93 
94 // -----------------------------------------------------------------------
95 
FileCopier(const FileCopier & rCopier)96 FileCopier::FileCopier( const FileCopier& rCopier ) :
97 
98 	aSource			( rCopier.aSource ),
99 	aTarget			( rCopier.aTarget ),
100 	nBytesTotal		( 0 ),
101 	nBytesCopied	( 0 ),
102 	aProgressLink	( rCopier.aProgressLink ),
103 	nBlockSize		( 4096 ),
104 	pImp			( new FileCopier_Impl )
105 
106 {
107 }
108 
109 /*************************************************************************
110 |*
111 |*    FileCopier::~FileCopier()
112 |*
113 |*    Beschreibung      FSYS.SDW
114 |*    Ersterstellung    MI 13.04.94
115 |*    Letzte Aenderung  MI 13.04.94
116 |*
117 *************************************************************************/
118 
~FileCopier()119 FileCopier::~FileCopier()
120 {
121 	delete pImp;
122 }
123 
124 /*************************************************************************
125 |*
126 |*    FileCopier::operator =()
127 |*
128 |*    Beschreibung      FSYS.SDW
129 |*    Ersterstellung    MI 13.04.94
130 |*    Letzte Aenderung  MI 13.04.94
131 |*
132 *************************************************************************/
133 
operator =(const FileCopier & rCopier)134 FileCopier& FileCopier::operator = ( const FileCopier &rCopier )
135 {
136 	aSource = rCopier.aSource;
137 	aTarget = rCopier.aTarget;
138 	nBytesTotal = rCopier.nBytesTotal;
139 	nBytesCopied = rCopier.nBytesCopied;
140 	nBytesCopied = rCopier.nBytesCopied;
141 	nBlockSize = rCopier.nBlockSize;
142 	aProgressLink = rCopier.aProgressLink;
143 	*pImp = *(rCopier.pImp);
144 	return *this;
145 }
146 
147 /*************************************************************************
148 |*
149 |*    FileCopier::Progress()
150 |*
151 |*    Beschreibung      FSYS.SDW
152 |*    Ersterstellung    MI 13.04.94
153 |*    Letzte Aenderung  MI 13.04.94
154 |*
155 *************************************************************************/
156 
Progress()157 sal_Bool FileCopier::Progress()
158 {
159 	if ( !aProgressLink )
160 		return sal_True;
161 	else
162 	{
163 		if ( aProgressLink.Call( this ) )
164 			return sal_True;
165 		return ( 0 == Error( ERRCODE_ABORT, 0, 0 ) );
166 	}
167 }
168 
169 //---------------------------------------------------------------------------
170 
Error(ErrCode eErr,const DirEntry * pSource,const DirEntry * pTarget)171 ErrCode FileCopier::Error( ErrCode eErr, const DirEntry* pSource, const DirEntry* pTarget )
172 {
173 	// kein Fehler oder kein ErrorHandler?
174 	if ( !eErr || !pImp->aErrorLink )
175 		// => Error beibehalten
176 		return eErr;
177 
178 	// sonst gesetzten ErrorHandler fragen
179 	pImp->pErrSource = pSource;
180 	pImp->pErrTarget = pTarget;
181 	pImp->eErr = eErr;
182 	ErrCode eRet = (ErrCode) pImp->aErrorLink.Call( this );
183 	pImp->pErrSource = 0;
184 	pImp->pErrTarget = 0;
185 	return eRet;
186 }
187 
188 //---------------------------------------------------------------------------
189 
GetErrorSource() const190 const DirEntry* FileCopier::GetErrorSource() const
191 {
192 	return pImp->pErrSource;
193 }
194 
195 //---------------------------------------------------------------------------
196 
GetErrorTarget() const197 const DirEntry* FileCopier::GetErrorTarget() const
198 {
199 	return pImp->pErrTarget;
200 }
201 
202 //---------------------------------------------------------------------------
203 
GetError() const204 ErrCode FileCopier::GetError() const
205 {
206 	return pImp->eErr;
207 }
208 
209 //---------------------------------------------------------------------------
210 
SetErrorHdl(const Link & rLink)211 void FileCopier::SetErrorHdl( const Link &rLink )
212 {
213 	pImp->aErrorLink = rLink;
214 }
215 
216 //---------------------------------------------------------------------------
217 
GetErrorHdl() const218 const Link& FileCopier::GetErrorHdl() const
219 {
220 	return pImp->aErrorLink ;
221 }
222 
223 /*************************************************************************
224 |*
225 |*    FileCopier::Execute()
226 |*
227 |*    Beschreibung      FSYS.SDW
228 |*    Ersterstellung    MI 13.04.94
229 |*    Letzte Aenderung  PB 16.06.00
230 |*
231 *************************************************************************/
232 
DoCopy_Impl(const DirEntry & rSource,const DirEntry & rTarget)233 FSysError FileCopier::DoCopy_Impl(
234     const DirEntry &rSource, const DirEntry &rTarget )
235 {
236 	FSysError eRet = FSYS_ERR_OK;
237 	ErrCode eWarn = FSYS_ERR_OK;
238 
239 	// HPFS->FAT?
240 	FSysPathStyle eSourceStyle = DirEntry::GetPathStyle( rSource.ImpGetTopPtr()->GetName() );
241 	FSysPathStyle eTargetStyle = DirEntry::GetPathStyle( rTarget.ImpGetTopPtr()->GetName() );
242 	sal_Bool bMakeShortNames = ( eSourceStyle == FSYS_STYLE_HPFS && eTargetStyle == FSYS_STYLE_FAT );
243 
244 	// Zieldateiname ggf. kuerzen
245 	DirEntry aTgt;
246 	if ( bMakeShortNames )
247 	{
248 		aTgt = rTarget.GetPath();
249 		aTgt.MakeShortName( rTarget.GetName() );
250 	}
251 	else
252 		aTgt = rTarget;
253 
254 	// kein Move wenn Namen gekuerzt werden muessten
255 	if ( bMakeShortNames && FSYS_ACTION_MOVE == ( pImp->nActions & FSYS_ACTION_MOVE ) && aTgt != rTarget )
256 		return ERRCODE_IO_NAMETOOLONG;
257 
258 	// source is directory?
259 	FileStat aSourceFileStat( rSource );
260 	if ( aSourceFileStat.IsKind( FSYS_KIND_DIR ) )
261 	{
262 #ifdef OS2
263 		CHAR szSource[CCHMAXPATHCOMP];
264 		HOBJECT hSourceObject;
265 
266 		strcpy(szSource, ByteString(rSource.GetFull(), osl_getThreadTextEncoding()).GetBuffer());
267 		hSourceObject = WinQueryObject(szSource);
268 
269 		if ( hSourceObject )
270 		{
271 			PSZ  pszSourceName;
272 			PSZ  pszTargetName;
273 			CHAR szTarget[CCHMAXPATHCOMP];
274 			HOBJECT hTargetObject;
275 			HOBJECT hReturn = NULLHANDLE;
276 
277 			strcpy(szTarget, ByteString(rTarget.GetFull(), osl_getThreadTextEncoding()).GetBuffer());
278 			pszTargetName = strrchr(szTarget, '\\');
279 			pszSourceName = strrchr(szSource, '\\');
280 
281 			hTargetObject = WinQueryObject(szTarget);
282 
283 			if ( hTargetObject )
284 				WinDestroyObject(hTargetObject);
285 
286 			if ( pszTargetName && pszSourceName )
287 			{
288 				*pszTargetName = '\0';
289 				pszSourceName++;
290 				pszTargetName++;
291 
292 				if(strcmp(pszSourceName, pszTargetName) == 0)
293 				{
294 					hTargetObject = WinQueryObject(szTarget);
295 
296 					if(pImp->nActions & FSYS_ACTION_MOVE)
297 					{
298 						hReturn = WinMoveObject(hSourceObject, hTargetObject, 0);
299 					}
300 					else
301 					{
302 						hReturn = WinCopyObject(hSourceObject, hTargetObject, 0);
303 					}
304 					if ( bMakeShortNames && aTarget.Exists() )
305 						aTarget.Kill();
306 					return hReturn ? FSYS_ERR_OK : FSYS_ERR_UNKNOWN;
307 				}
308 			}
309 		}
310 #endif
311 		// recursive copy
312 		eRet = Error( aTgt.MakeDir() ? FSYS_ERR_OK : FSYS_ERR_UNKNOWN, 0, &aTgt );
313 		Dir aSourceDir( rSource, FSYS_KIND_DIR|FSYS_KIND_FILE );
314 		for ( sal_uInt16 n = 0; ERRCODE_TOERROR(eRet) == FSYS_ERR_OK && n < aSourceDir.Count(); ++n )
315 		{
316 			const DirEntry &rSubSource = aSourceDir[n];
317 			DirEntryFlag eFlag = rSubSource.GetFlag();
318 			if ( eFlag != FSYS_FLAG_CURRENT && eFlag != FSYS_FLAG_PARENT )
319 			{
320 				DirEntry aSubTarget( aTgt );
321 				aSubTarget += rSubSource.GetName();
322 				eRet = DoCopy_Impl( rSubSource, aSubTarget );
323 				if ( eRet && !eWarn )
324 				eWarn = eRet;
325 			}
326 		}
327 	}
328 	else if ( aSourceFileStat.IsKind(FSYS_KIND_FILE) )
329 	{
330 		if ( ( FSYS_ACTION_KEEP_EXISTING == ( pImp->nActions & FSYS_ACTION_KEEP_EXISTING ) ) &&
331 			 aTgt.Exists() )
332 		{
333 			// Do not overwrite existing file in target folder.
334 			return ERRCODE_NONE;
335 		}
336 
337 		// copy file
338 		nBytesCopied = 0;
339 		nBytesTotal = FileStat( rSource ).GetSize();
340 
341 		::rtl::OUString aFileName;
342 		FileBase::getFileURLFromSystemPath( ::rtl::OUString(rSource.GetFull()), aFileName );
343 		SvFileStream aSrc( aFileName, STREAM_READ|STREAM_NOCREATE|STREAM_SHARE_DENYNONE );
344 
345 		if ( !aSrc.GetError() )
346 		{
347 #ifdef UNX
348 			struct stat buf;
349 			if ( fstat( aSrc.GetFileHandle(), &buf ) == -1 )
350 				eRet = Error( FSYS_ERR_ACCESSDENIED, 0, &aTgt );
351 #endif
352 			::rtl::OUString aTargetFileName;
353 			FileBase::getFileURLFromSystemPath( ::rtl::OUString(aTgt.GetFull()), aTargetFileName );
354 
355 			SvFileStream aTargetStream( aTargetFileName, STREAM_WRITE | STREAM_TRUNC | STREAM_SHARE_DENYWRITE );
356 			if ( !aTargetStream.GetError() )
357 			{
358 #ifdef UNX
359 				if ( fchmod( aTargetStream.GetFileHandle(), buf.st_mode ) == -1 )
360 					eRet = Error( FSYS_ERR_ACCESSDENIED, 0, &aTgt );
361 #endif
362 				size_t nAllocSize = 0, nSize = 0;
363 				char *pBuf = 0;
364 				while ( Progress() && nSize == nAllocSize && eRet == FSYS_ERR_OK )
365 				{
366 					// adjust the block-size
367 					if ( nBlockSize > nAllocSize )
368 					{
369 						delete[] pBuf;
370 						nAllocSize = nBlockSize;
371 						pBuf = new char[nAllocSize];
372 					}
373 
374 					// copy one block
375 					nSize = aSrc.Read( pBuf, nBlockSize );
376 					aTargetStream.Write( pBuf, nSize );
377 					if ( aTargetStream.GetError() )
378 						eRet = Error( aTargetStream.GetError(), 0, &aTgt );
379 
380 					// adjust counters
381 					nBytesCopied += nSize;
382 					if ( nBytesCopied > nBytesTotal )
383 						nBytesTotal = nBytesCopied;
384 				}
385 				delete[] pBuf;
386 			}
387 			else
388 				eRet = Error( aTargetStream.GetError(), 0, &aTgt );
389 
390             // unvollstaendiges File wieder loeschen
391             aTargetStream.Close();
392 
393 			if ( nBytesCopied != nBytesTotal )
394 			{
395 				aTgt.Kill();
396 			}
397 		}
398 		else
399 			eRet = Error( aSrc.GetError(), &rSource, 0 );
400 	}
401 	else if ( aSourceFileStat.IsKind(FSYS_KIND_NONE) )
402 		eRet = Error( ERRCODE_IO_NOTEXISTS, &rSource, 0 );
403 	else
404 		eRet = Error( ERRCODE_IO_NOTSUPPORTED, &rSource, 0 );
405 
406 #ifdef WNT
407 	// Set LastWriteTime and Attributes of the target identical with the source
408 
409 	if ( FSYS_ERR_OK == ERRCODE_TOERROR(eRet) )
410 	{
411 		WIN32_FIND_DATA	fdSource;
412 		ByteString aFullSource(aSource.GetFull(), osl_getThreadTextEncoding());
413 		ByteString aFullTarget(aTgt.GetFull(), osl_getThreadTextEncoding());
414 		HANDLE	hFind = FindFirstFile( aFullSource.GetBuffer() , &fdSource );
415 		if ( hFind != INVALID_HANDLE_VALUE )
416 		{
417 			FindClose( hFind );
418 
419 			HANDLE hFile = CreateFile( aFullTarget.GetBuffer(), GENERIC_WRITE,
420 									   FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
421 									   OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
422 
423 			if ( hFile != INVALID_HANDLE_VALUE )
424 			{
425 				SetFileTime( hFile, NULL, NULL, &fdSource.ftLastWriteTime );
426 				CloseHandle( hFile );
427 			}
428 
429 			SetFileAttributes( aFullTarget.GetBuffer(), fdSource.dwFileAttributes );
430 		}
431 	}
432 #endif
433 	// bei Move ggf. das File/Dir loeschen
434 	if ( FSYS_ERR_OK == ERRCODE_TOERROR(eRet) && ( pImp->nActions  & FSYS_ACTION_MOVE ) )
435 	{
436 		ErrCode eKillErr = Error( rSource.Kill() | ERRCODE_WARNING_MASK, &rSource, 0 );
437 		if ( eKillErr != ERRCODE_WARNING_MASK )
438 		{
439 			if ( rSource.Exists() )
440 				// loeschen ging nicht => dann die Kopie wieder loeschen
441 				aTgt.Kill( pImp->nActions );
442 			if ( !eWarn )
443 				eWarn = eKillErr;
444 		}
445 	}
446 
447 	return !eRet ? eWarn : eRet;
448 }
449 
450 // -----------------------------------------------------------------------
451 
Execute(FSysAction nActions)452 FSysError FileCopier::Execute( FSysAction nActions )
453 {
454 	return ExecuteExact( nActions );
455 }
456 
457 // -----------------------------------------------------------------------
458 
ExecuteExact(FSysAction nActions,FSysExact eExact)459 FSysError FileCopier::ExecuteExact( FSysAction nActions, FSysExact eExact )
460 {
461 	DirEntry aAbsSource = DirEntry( aSource);
462 	DirEntry aAbsTarget = DirEntry( aTarget );
463 	pImp->nActions = nActions;
464 
465 	// check if both pathes are accessible and source and target are different
466 	if ( !aAbsTarget.ToAbs() || !aAbsSource.ToAbs() || aAbsTarget == aAbsSource )
467 		return FSYS_ERR_ACCESSDENIED;
468 
469 	// check if copy would be endless recursive into itself
470 	if ( FSYS_ACTION_RECURSIVE == ( nActions & FSYS_ACTION_RECURSIVE ) &&
471 		 aAbsSource.Contains( aAbsTarget ) )
472 		return ERRCODE_IO_RECURSIVE;
473 
474 	// target is directory?
475 	if ( eExact == FSYS_NOTEXACT &&
476 		 FileStat( aAbsTarget ).IsKind(FSYS_KIND_DIR) && FileStat( aAbsSource ).IsKind(FSYS_KIND_FILE) )
477 		// append name of source
478 		aAbsTarget += aSource.GetName();
479 
480 	// recursive copy
481 	return DoCopy_Impl( aAbsSource, aAbsTarget );
482 }
483