xref: /AOO41X/main/tools/source/fsys/filecopy.cxx (revision 79aad27f7f29270c03e208e3d687e8e3850af11d)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
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.
19  *
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