xref: /trunk/main/desktop/source/app/officeipcthread.cxx (revision 91144cd0085a7583d2099b982122deb2184ab956)
1 /**************************************************************
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5  * distributed with this work for additional information
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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
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16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_desktop.hxx"
26 
27 #include "app.hxx"
28 #include "officeipcthread.hxx"
29 #include "cmdlineargs.hxx"
30 #include "dispatchwatcher.hxx"
31 #include <memory>
32 #include <stdio.h>
33 #include <vos/process.hxx>
34 #include <unotools/bootstrap.hxx>
35 #include <vcl/svapp.hxx>
36 #include <vcl/help.hxx>
37 #include <unotools/configmgr.hxx>
38 #include <osl/thread.hxx>
39 #include <rtl/digest.h>
40 #include <rtl/ustrbuf.hxx>
41 #include <rtl/instance.hxx>
42 #include <osl/conditn.hxx>
43 #include <unotools/moduleoptions.hxx>
44 #include <rtl/bootstrap.hxx>
45 #include <rtl/strbuf.hxx>
46 #include <comphelper/processfactory.hxx>
47 #include "osl/file.hxx"
48 #include "rtl/process.h"
49 #include "tools/getprocessworkingdir.hxx"
50 
51 using namespace vos;
52 using namespace rtl;
53 using namespace desktop;
54 using namespace ::com::sun::star::uno;
55 using namespace ::com::sun::star::lang;
56 using namespace ::com::sun::star::frame;
57 
58 const char  *OfficeIPCThread::sc_aTerminationSequence = "InternalIPC::TerminateThread";
59 const int OfficeIPCThread::sc_nTSeqLength = 28;
60 const char  *OfficeIPCThread::sc_aShowSequence = "-tofront";
61 const int OfficeIPCThread::sc_nShSeqLength = 5;
62 const char  *OfficeIPCThread::sc_aConfirmationSequence = "InternalIPC::ProcessingDone";
63 const int OfficeIPCThread::sc_nCSeqLength = 27;
64 
65 namespace { static char const ARGUMENT_PREFIX[] = "InternalIPC::Arguments"; }
66 
67 // Type of pipe we use
68 enum PipeMode
69 {
70     PIPEMODE_DONTKNOW,
71     PIPEMODE_CREATED,
72     PIPEMODE_CONNECTED
73 };
74 
75 namespace desktop
76 {
77 
78 namespace {
79 
80 class Parser: public CommandLineArgs::Supplier {
81 public:
Parser(rtl::OString const & input)82     explicit Parser(rtl::OString const & input): m_input(input) {
83         if (!m_input.match(ARGUMENT_PREFIX) ||
84             m_input.getLength() == RTL_CONSTASCII_LENGTH(ARGUMENT_PREFIX))
85         {
86             throw CommandLineArgs::Supplier::Exception();
87         }
88         m_index = RTL_CONSTASCII_LENGTH(ARGUMENT_PREFIX);
89         switch (m_input[m_index++]) {
90         case '0':
91             break;
92         case '1':
93             {
94                 rtl::OUString url;
95                 if (!next(&url, false)) {
96                     throw CommandLineArgs::Supplier::Exception();
97                 }
98                 m_cwdUrl.reset(url);
99                 break;
100             }
101         case '2':
102             {
103                 rtl::OUString path;
104                 if (!next(&path, false)) {
105                     throw CommandLineArgs::Supplier::Exception();
106                 }
107                 rtl::OUString url;
108                 if (osl::FileBase::getFileURLFromSystemPath(path, url) ==
109                     osl::FileBase::E_None)
110                 {
111                     m_cwdUrl.reset(url);
112                 }
113                 break;
114             }
115         default:
116             throw CommandLineArgs::Supplier::Exception();
117         }
118     }
119 
~Parser()120     virtual ~Parser() {}
121 
getCwdUrl()122     virtual boost::optional< rtl::OUString > getCwdUrl() { return m_cwdUrl; }
123 
next(rtl::OUString * argument)124     virtual bool next(rtl::OUString * argument) { return next(argument, true); }
125 
126 private:
next(rtl::OUString * argument,bool prefix)127     virtual bool next(rtl::OUString * argument, bool prefix) {
128         OSL_ASSERT(argument != NULL);
129         if (m_index < m_input.getLength()) {
130             if (prefix) {
131                 if (m_input[m_index] != ',') {
132                     throw CommandLineArgs::Supplier::Exception();
133                 }
134                 ++m_index;
135             }
136             rtl::OStringBuffer b;
137             while (m_index < m_input.getLength()) {
138                 char c = m_input[m_index];
139                 if (c == ',') {
140                     break;
141                 }
142                 ++m_index;
143                 if (c == '\\') {
144                     if (m_index < m_input.getLength()) {
145                         c = m_input[m_index++];
146                         switch (c) {
147                         case '0':
148                             c = '\0';
149                             break;
150                         case ',':
151                         case '\\':
152                             break;
153                         default:
154                             throw CommandLineArgs::Supplier::Exception();
155                         }
156                     } else {
157                         throw CommandLineArgs::Supplier::Exception();
158                     }
159                 }
160                 b.append(c);
161             }
162             rtl::OString b2(b.makeStringAndClear());
163             if (!rtl_convertStringToUString(
164                     &argument->pData, b2.getStr(), b2.getLength(),
165                     RTL_TEXTENCODING_UTF8,
166                     (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR |
167                      RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR |
168                      RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
169             {
170                 throw CommandLineArgs::Supplier::Exception();
171             }
172             return true;
173         } else {
174             return false;
175         }
176     }
177 
178     boost::optional< rtl::OUString > m_cwdUrl;
179     rtl::OString m_input;
180     sal_Int32 m_index;
181 };
182 
addArgument(ByteString * arguments,char prefix,rtl::OUString const & argument)183 bool addArgument(
184     ByteString * arguments, char prefix, rtl::OUString const & argument)
185 {
186     rtl::OString utf8;
187     if (!argument.convertToString(
188             &utf8, RTL_TEXTENCODING_UTF8,
189             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
190              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
191     {
192         return false;
193     }
194     *arguments += prefix;
195     for (sal_Int32 i = 0; i < utf8.getLength(); ++i) {
196         char c = utf8[i];
197         switch (c) {
198         case '\0':
199             *arguments += "\\0";
200             break;
201         case ',':
202             *arguments += "\\,";
203             break;
204         case '\\':
205             *arguments += "\\\\";
206             break;
207         default:
208             *arguments += c;
209             break;
210         }
211     }
212     return true;
213 }
214 
215 }
216 
217 OfficeIPCThread*    OfficeIPCThread::pGlobalOfficeIPCThread = 0;
218 namespace { struct Security : public rtl::Static<OSecurity, Security> {}; }
219 ::osl::Mutex*       OfficeIPCThread::pOfficeIPCThreadMutex = 0;
220 
221 
CreateMD5FromString(const OUString & aMsg)222 String CreateMD5FromString( const OUString& aMsg )
223 {
224     // PRE: aStr "file"
225     // BACK: Str "ababab....0f" Hexcode String
226 
227     rtlDigest handle = rtl_digest_create( rtl_Digest_AlgorithmMD5 );
228     if ( handle != NULL )
229     {
230         const sal_uInt8* pData = (const sal_uInt8*)aMsg.getStr();
231         sal_uInt32       nSize = ( aMsg.getLength() * sizeof( sal_Unicode ));
232         sal_uInt32       nMD5KeyLen = rtl_digest_queryLength( handle );
233         sal_uInt8*       pMD5KeyBuffer = new sal_uInt8[ nMD5KeyLen ];
234 
235         rtl_digest_init( handle, pData, nSize );
236         rtl_digest_update( handle, pData, nSize );
237         rtl_digest_get( handle, pMD5KeyBuffer, nMD5KeyLen );
238         rtl_digest_destroy( handle );
239 
240         // Create hex-value string from the MD5 value to keep the string size minimal
241         OUStringBuffer aBuffer( nMD5KeyLen * 2 + 1 );
242         for ( sal_uInt32 i = 0; i < nMD5KeyLen; i++ )
243             aBuffer.append( (sal_Int32)pMD5KeyBuffer[i], 16 );
244 
245         delete [] pMD5KeyBuffer;
246         return aBuffer.makeStringAndClear();
247     }
248 
249     return String();
250 }
251 
252 class ProcessEventsClass_Impl
253 {
254 public:
255     DECL_STATIC_LINK( ProcessEventsClass_Impl, CallEvent, void* pEvent );
256     DECL_STATIC_LINK( ProcessEventsClass_Impl, ProcessDocumentsEvent, void* pEvent );
257 };
258 
IMPL_STATIC_LINK_NOINSTANCE(ProcessEventsClass_Impl,CallEvent,void *,pEvent)259 IMPL_STATIC_LINK_NOINSTANCE( ProcessEventsClass_Impl, CallEvent, void*, pEvent )
260 {
261     // Application events are processed by the Desktop::HandleAppEvent implementation.
262     Desktop::HandleAppEvent( *((ApplicationEvent*)pEvent) );
263     delete (ApplicationEvent*)pEvent;
264     return 0;
265 }
266 
IMPL_STATIC_LINK_NOINSTANCE(ProcessEventsClass_Impl,ProcessDocumentsEvent,void *,pEvent)267 IMPL_STATIC_LINK_NOINSTANCE( ProcessEventsClass_Impl, ProcessDocumentsEvent, void*, pEvent )
268 {
269     // Documents requests are processed by the OfficeIPCThread implementation
270     ProcessDocumentsRequest* pDocsRequest = (ProcessDocumentsRequest*)pEvent;
271 
272     if ( pDocsRequest )
273     {
274         OfficeIPCThread::ExecuteCmdLineRequests( *pDocsRequest );
275         delete pDocsRequest;
276     }
277     return 0;
278 }
279 
ImplPostForeignAppEvent(ApplicationEvent * pEvent)280 void ImplPostForeignAppEvent( ApplicationEvent* pEvent )
281 {
282     Application::PostUserEvent( STATIC_LINK( NULL, ProcessEventsClass_Impl, CallEvent ), pEvent );
283 }
284 
ImplPostProcessDocumentsEvent(ProcessDocumentsRequest * pEvent)285 void ImplPostProcessDocumentsEvent( ProcessDocumentsRequest* pEvent )
286 {
287     Application::PostUserEvent( STATIC_LINK( NULL, ProcessEventsClass_Impl, ProcessDocumentsEvent ), pEvent );
288 }
289 
signal(TSignalInfo * pInfo)290 OSignalHandler::TSignalAction SAL_CALL SalMainPipeExchangeSignalHandler::signal(TSignalInfo *pInfo)
291 {
292     if( pInfo->Signal == osl_Signal_Terminate )
293         OfficeIPCThread::DisableOfficeIPCThread();
294     return (TAction_CallNextHandler);
295 }
296 
297 // ----------------------------------------------------------------------------
298 
299 // The OfficeIPCThreadController implementation is a bookkeeper for all pending requests
300 // that were created by the OfficeIPCThread. The requests are waiting to be processed by
301 // our framework loadComponentFromURL function (e.g. open/print request).
302 // During shutdown the framework is asking OfficeIPCThreadController about pending requests.
303 // If there are pending requests framework has to stop the shutdown process. It is waiting
304 // for these requests because framework is not able to handle shutdown and open a document
305 // concurrently.
306 
307 
308 // XServiceInfo
getImplementationName()309 OUString SAL_CALL OfficeIPCThreadController::getImplementationName()
310 {
311     return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.OfficeIPCThreadController" ));
312 }
313 
supportsService(const OUString &)314 sal_Bool SAL_CALL OfficeIPCThreadController::supportsService( const OUString& )
315 {
316     return sal_False;
317 }
318 
getSupportedServiceNames()319 Sequence< OUString > SAL_CALL OfficeIPCThreadController::getSupportedServiceNames()
320 {
321     Sequence< OUString > aSeq( 0 );
322     return aSeq;
323 }
324 
325 // XEventListener
disposing(const EventObject &)326 void SAL_CALL OfficeIPCThreadController::disposing( const EventObject& )
327 {
328 }
329 
330 // XTerminateListener
queryTermination(const EventObject &)331 void SAL_CALL OfficeIPCThreadController::queryTermination( const EventObject& )
332 {
333     // Desktop ask about pending request through our office ipc pipe. We have to
334     // be sure that no pending request is waiting because framework is not able to
335     // handle shutdown and open a document concurrently.
336 
337     if ( OfficeIPCThread::AreRequestsPending() )
338         throw TerminationVetoException();
339     else
340         OfficeIPCThread::SetDowning();
341 }
342 
notifyTermination(const EventObject &)343 void SAL_CALL OfficeIPCThreadController::notifyTermination( const EventObject& )
344 {
345 }
346 
347 // ----------------------------------------------------------------------------
348 
GetMutex()349 ::osl::Mutex&   OfficeIPCThread::GetMutex()
350 {
351     // Get or create our mutex for thread-safety
352     if ( !pOfficeIPCThreadMutex )
353     {
354         ::osl::MutexGuard aGuard( osl::Mutex::getGlobalMutex() );
355         if ( !pOfficeIPCThreadMutex )
356             pOfficeIPCThreadMutex = new osl::Mutex;
357     }
358 
359     return *pOfficeIPCThreadMutex;
360 }
361 
SetDowning()362 void OfficeIPCThread::SetDowning()
363 {
364     // We have the order to block all incoming requests. Framework
365     // wants to shutdown and we have to make sure that no loading/printing
366     // requests are executed anymore.
367     ::osl::MutexGuard   aGuard( GetMutex() );
368 
369     if ( pGlobalOfficeIPCThread )
370         pGlobalOfficeIPCThread->mbDowning = true;
371 }
372 
373 static bool s_bInEnableRequests = false;
374 
EnableRequests(bool i_bEnable)375 void OfficeIPCThread::EnableRequests( bool i_bEnable )
376 {
377     // switch between just queueing the requests and executing them
378     ::osl::MutexGuard   aGuard( GetMutex() );
379 
380     if ( pGlobalOfficeIPCThread )
381     {
382         s_bInEnableRequests = true;
383         pGlobalOfficeIPCThread->mbRequestsEnabled = i_bEnable;
384         if( i_bEnable )
385         {
386             // hit the compiler over the head
387             ProcessDocumentsRequest aEmptyReq = ProcessDocumentsRequest( boost::optional< rtl::OUString >() );
388             // trigger already queued requests
389             OfficeIPCThread::ExecuteCmdLineRequests( aEmptyReq );
390         }
391         s_bInEnableRequests = false;
392     }
393 }
394 
AreRequestsPending()395 sal_Bool OfficeIPCThread::AreRequestsPending()
396 {
397     // Give info about pending requests
398     ::osl::MutexGuard   aGuard( GetMutex() );
399     if ( pGlobalOfficeIPCThread )
400         return ( pGlobalOfficeIPCThread->mnPendingRequests > 0 );
401     else
402         return sal_False;
403 }
404 
RequestsCompleted(int nCount)405 void OfficeIPCThread::RequestsCompleted( int nCount )
406 {
407     // Remove nCount pending requests from our internal counter
408     ::osl::MutexGuard   aGuard( GetMutex() );
409     if ( pGlobalOfficeIPCThread )
410     {
411         if ( pGlobalOfficeIPCThread->mnPendingRequests > 0 )
412             pGlobalOfficeIPCThread->mnPendingRequests -= nCount;
413     }
414 }
415 
EnableOfficeIPCThread()416 OfficeIPCThread::Status OfficeIPCThread::EnableOfficeIPCThread()
417 {
418     ::osl::MutexGuard   aGuard( GetMutex() );
419 
420     if( pGlobalOfficeIPCThread )
421         return IPC_STATUS_OK;
422 
423     ::rtl::OUString aUserInstallPath;
424     ::rtl::OUString aDummy;
425 
426     ::vos::OStartupInfo aInfo;
427     OfficeIPCThread* pThread = new OfficeIPCThread;
428 
429     pThread->maPipeIdent = OUString( RTL_CONSTASCII_USTRINGPARAM( "SingleOfficeIPC_" ) );
430 
431     // The name of the named pipe is created with the hashcode of the user installation directory (without /user). We have to retrieve
432     // this information from a unotools implementation.
433     ::utl::Bootstrap::PathStatus aLocateResult = ::utl::Bootstrap::locateUserInstallation( aUserInstallPath );
434     if ( aLocateResult == ::utl::Bootstrap::PATH_EXISTS || aLocateResult == ::utl::Bootstrap::PATH_VALID)
435         aDummy = aUserInstallPath;
436     else
437     {
438         delete pThread;
439         return IPC_STATUS_BOOTSTRAP_ERROR;
440     }
441 
442     // Try to  determine if we are the first office or not! This should prevent multiple
443     // access to the user directory !
444     // First we try to create our pipe if this fails we try to connect. We have to do this
445     // in a loop because the other office can crash or shutdown between createPipe
446     // and connectPipe!!
447 
448     OUString            aIniName;
449 
450     aInfo.getExecutableFile( aIniName );
451     sal_uInt32     lastIndex = aIniName.lastIndexOf('/');
452     if ( lastIndex > 0 )
453     {
454         aIniName    = aIniName.copy( 0, lastIndex+1 );
455         aIniName    += OUString( RTL_CONSTASCII_USTRINGPARAM( "perftune" ));
456 #if defined(WNT) || defined(OS2)
457         aIniName    += OUString( RTL_CONSTASCII_USTRINGPARAM( ".ini" ));
458 #else
459         aIniName    += OUString( RTL_CONSTASCII_USTRINGPARAM( "rc" ));
460 #endif
461     }
462 
463     ::rtl::Bootstrap aPerfTuneIniFile( aIniName );
464 
465     OUString aDefault( RTL_CONSTASCII_USTRINGPARAM( "0" ));
466     OUString aPreloadData;
467 
468     aPerfTuneIniFile.getFrom( OUString( RTL_CONSTASCII_USTRINGPARAM( "FastPipeCommunication" )), aPreloadData, aDefault );
469 
470 
471     OUString aUserInstallPathHashCode;
472 
473     if ( aPreloadData.equalsAscii( "1" ))
474     {
475         sal_Char    szBuffer[32];
476         sprintf( szBuffer, "%d", SUPD );
477         aUserInstallPathHashCode = OUString( szBuffer, strlen(szBuffer), osl_getThreadTextEncoding() );
478     }
479     else
480         aUserInstallPathHashCode = CreateMD5FromString( aDummy );
481 
482 
483     // Check result to create a hash code from the user install path
484     if ( aUserInstallPathHashCode.getLength() == 0 )
485         return IPC_STATUS_BOOTSTRAP_ERROR; // Something completely broken, we cannot create a valid hash code!
486 
487     pThread->maPipeIdent = pThread->maPipeIdent + aUserInstallPathHashCode;
488 
489     PipeMode nPipeMode = PIPEMODE_DONTKNOW;
490     do
491     {
492         OSecurity &rSecurity = Security::get();
493         // #119950# Try to connect pipe first. If connected, means another instance already launched.
494         if( pThread->maPipe.create( pThread->maPipeIdent.getStr(), OPipe::TOption_Open, rSecurity ))
495         {
496             // #119950# Test if launched in a new terminal session for same user. On Windows platform, normally a user is restricted
497             // to have only one terminal session. But if multiple terminal session for one user is allowed, crash will happen if launched
498             // OpenOffice from more than one terminal session. So need to detect and prevent this happen.
499 
500             // Will try to create a same name pipe. If creation is successfully, means current instance is launched in a new session.
501             vos::OPipe  maSessionPipe;
502             if ( maSessionPipe.create( pThread->maPipeIdent.getStr(), OPipe::TOption_Create, rSecurity )) {
503                 // Can create a pipe with same name. This can only happen in multiple terminal session environment on Windows platform.
504                 // Will display a warning dialog and exit.
505                 return IPC_STATUS_MULTI_TS_ERROR;
506             } else {
507                 // Pipe connected to first office
508                 nPipeMode = PIPEMODE_CONNECTED;
509             }
510 
511         }
512         else if ( pThread->maPipe.create( pThread->maPipeIdent.getStr(), OPipe::TOption_Create, rSecurity )) // Connection not successful, now we try to create
513         {
514             // Pipe created
515             nPipeMode = PIPEMODE_CREATED;
516         }
517         else
518         {
519             OPipe::TPipeError eReason = pThread->maPipe.getError();
520             if ((eReason == OPipe::E_ConnectionRefused) || (eReason == OPipe::E_invalidError))
521                 return IPC_STATUS_BOOTSTRAP_ERROR;
522 
523             // Wait for second office to be ready
524             TimeValue aTimeValue;
525             aTimeValue.Seconds = 0;
526             aTimeValue.Nanosec = 10000000; // 10ms
527             osl::Thread::wait( aTimeValue );
528         }
529 
530     } while ( nPipeMode == PIPEMODE_DONTKNOW );
531 
532     if ( nPipeMode == PIPEMODE_CREATED )
533     {
534         // Seems we are the one and only, so start listening thread
535         pGlobalOfficeIPCThread = pThread;
536         pThread->create(); // starts thread
537     }
538     else
539     {
540         // Seems another office is running. Pipe arguments to it and self terminate
541         pThread->maStreamPipe = pThread->maPipe;
542 
543         sal_Bool bWaitBeforeClose = sal_False;
544         ByteString aArguments(RTL_CONSTASCII_STRINGPARAM(ARGUMENT_PREFIX));
545         rtl::OUString cwdUrl;
546         if (!(tools::getProcessWorkingDir(&cwdUrl) &&
547               addArgument(&aArguments, '1', cwdUrl)))
548         {
549             aArguments += '0';
550         }
551         sal_uInt32 nCount = rtl_getAppCommandArgCount();
552         for( sal_uInt32 i=0; i < nCount; i++ )
553         {
554             rtl_getAppCommandArg( i, &aDummy.pData );
555             if( aDummy.indexOf('-',0) != 0 )
556             {
557                 bWaitBeforeClose = sal_True;
558             }
559             if (!addArgument(&aArguments, ',', aDummy)) {
560                 return IPC_STATUS_BOOTSTRAP_ERROR;
561             }
562         }
563         // finally, write the string onto the pipe
564         pThread->maStreamPipe.write( aArguments.GetBuffer(), aArguments.Len() );
565         pThread->maStreamPipe.write( "\0", 1 );
566 
567         // wait for confirmation #95361# #95425#
568         ByteString aToken(sc_aConfirmationSequence);
569         char *aReceiveBuffer = new char[aToken.Len()+1];
570         int n = pThread->maStreamPipe.read( aReceiveBuffer, aToken.Len() );
571         aReceiveBuffer[n]='\0';
572 
573         delete pThread;
574         if (aToken.CompareTo(aReceiveBuffer)!= COMPARE_EQUAL) {
575             // something went wrong
576             delete[] aReceiveBuffer;
577             return IPC_STATUS_BOOTSTRAP_ERROR;
578         } else {
579             delete[] aReceiveBuffer;
580             return IPC_STATUS_2ND_OFFICE;
581         }
582     }
583 
584     return IPC_STATUS_OK;
585 }
586 
DisableOfficeIPCThread()587 void OfficeIPCThread::DisableOfficeIPCThread()
588 {
589     osl::ClearableMutexGuard aMutex( GetMutex() );
590 
591     if( pGlobalOfficeIPCThread )
592     {
593         OfficeIPCThread *pOfficeIPCThread = pGlobalOfficeIPCThread;
594         pGlobalOfficeIPCThread = 0;
595 
596         // send thread a termination message
597         // this is done so the subsequent join will not hang
598         // because the thread hangs in accept of pipe
599         OPipe Pipe( pOfficeIPCThread->maPipeIdent, OPipe::TOption_Open, Security::get() );
600         //Pipe.send( TERMINATION_SEQUENCE, TERMINATION_LENGTH );
601         if (Pipe.isValid())
602         {
603             Pipe.send( sc_aTerminationSequence, sc_nTSeqLength+1 ); // also send 0-byte
604 
605             // close the pipe so that the streampipe on the other
606             // side produces EOF
607             Pipe.close();
608         }
609 
610         // release mutex to avoid deadlocks
611         aMutex.clear();
612 
613         OfficeIPCThread::SetReady(pOfficeIPCThread);
614 
615         // exit gracefully and join
616         pOfficeIPCThread->join();
617         delete pOfficeIPCThread;
618 
619 
620     }
621 }
622 
OfficeIPCThread()623 OfficeIPCThread::OfficeIPCThread() :
624     mbDowning( false ),
625     mbRequestsEnabled( false ),
626     mnPendingRequests( 0 ),
627     mpDispatchWatcher( 0 )
628 {
629 }
630 
~OfficeIPCThread()631 OfficeIPCThread::~OfficeIPCThread()
632 {
633     ::osl::ClearableMutexGuard  aGuard( GetMutex() );
634 
635     if ( mpDispatchWatcher )
636         mpDispatchWatcher->release();
637     maPipe.close();
638     maStreamPipe.close();
639     pGlobalOfficeIPCThread = 0;
640 }
641 
AddURLToStringList(const rtl::OUString & aURL,rtl::OUString & aStringList)642 static void AddURLToStringList( const rtl::OUString& aURL, rtl::OUString& aStringList )
643 {
644     if ( aStringList.getLength() )
645         aStringList += ::rtl::OUString::valueOf( (sal_Unicode)APPEVENT_PARAM_DELIMITER );
646     aStringList += aURL;
647 }
648 
SetReady(OfficeIPCThread * pThread)649 void OfficeIPCThread::SetReady(OfficeIPCThread* pThread)
650 {
651     if (pThread == NULL) pThread = pGlobalOfficeIPCThread;
652     if (pThread != NULL)
653     {
654         pThread->cReady.set();
655     }
656 }
657 
run()658 void SAL_CALL OfficeIPCThread::run()
659 {
660     do
661     {
662         OPipe::TPipeError
663             nError = maPipe.accept( maStreamPipe );
664 
665 
666         if( nError == OStreamPipe::E_None )
667         {
668 
669             // #111143# and others:
670             // if we receive a request while the office is displaying some dialog or error during
671             // bootstrap, that dialogs event loop might get events that are dispatched by this thread
672             // we have to wait for cReady to be set by the real main loop.
673             // only requests that don't dispatch events may be processed before cReady is set.
674             cReady.wait();
675 
676             // we might have decided to shutdown while we were sleeping
677             if (!pGlobalOfficeIPCThread) return;
678 
679             // only lock the mutex when processing starts, otherwise we deadlock when the office goes
680             // down during wait
681             osl::ClearableMutexGuard aGuard( GetMutex() );
682 
683             ByteString aArguments;
684             // test byte by byte
685             const int nBufSz = 2048;
686             char pBuf[nBufSz];
687             int nBytes = 0;
688             int nResult = 0;
689             // read into pBuf until '\0' is read or read-error
690             while ((nResult=maStreamPipe.recv( pBuf+nBytes, nBufSz-nBytes))>0) {
691                 nBytes += nResult;
692                 if (pBuf[nBytes-1]=='\0') {
693                     aArguments += pBuf;
694                     break;
695                 }
696             }
697             // don't close pipe ...
698 
699             // #90717# Is this a lookup message from another application? if so, ignore
700             if ( aArguments.Len() == 0 )
701                 continue;
702 
703             // is this a termination message ? if so, terminate
704             if(( aArguments.CompareTo( sc_aTerminationSequence, sc_nTSeqLength ) == COMPARE_EQUAL ) ||
705                     mbDowning ) return;
706             String           aEmpty;
707             std::auto_ptr< CommandLineArgs > aCmdLineArgs;
708             try
709             {
710                 Parser p( aArguments );
711                 aCmdLineArgs.reset( new CommandLineArgs( p ) );
712             }
713             catch ( CommandLineArgs::Supplier::Exception & )
714             {
715 #if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
716                 fprintf( stderr, "Error in received command line arguments\n" );
717 #endif
718                 continue;
719             }
720             CommandLineArgs *pCurrentCmdLineArgs = Desktop::GetCommandLineArgs();
721 
722             if ( aCmdLineArgs->IsQuickstart() )
723             {
724                 // we have to use application event, because we have to start quickstart service in main thread!!
725                 ApplicationEvent* pAppEvent =
726                     new ApplicationEvent( aEmpty, aEmpty,
727                                             "QUICKSTART", aEmpty );
728                 ImplPostForeignAppEvent( pAppEvent );
729             }
730 
731             // handle request for acceptor
732             sal_Bool bAcceptorRequest = sal_False;
733             OUString aAcceptString;
734             if ( aCmdLineArgs->GetAcceptString(aAcceptString) && Desktop::CheckOEM()) {
735                 ApplicationEvent* pAppEvent =
736                     new ApplicationEvent( aEmpty, aEmpty,
737                                           "ACCEPT", aAcceptString );
738                 ImplPostForeignAppEvent( pAppEvent );
739                 bAcceptorRequest = sal_True;
740             }
741             // handle acceptor removal
742             OUString aUnAcceptString;
743             if ( aCmdLineArgs->GetUnAcceptString(aUnAcceptString) ) {
744                 ApplicationEvent* pAppEvent =
745                     new ApplicationEvent( aEmpty, aEmpty,
746                                          "UNACCEPT", aUnAcceptString );
747                 ImplPostForeignAppEvent( pAppEvent );
748                 bAcceptorRequest = sal_True;
749             }
750 
751 #ifndef UNX
752             // only in non-unix version, we need to handle a -help request
753             // in a running instance in order to display  the command line help
754             if ( aCmdLineArgs->IsHelp() ) {
755                 ApplicationEvent* pAppEvent =
756                     new ApplicationEvent( aEmpty, aEmpty, "HELP", aEmpty );
757                 ImplPostForeignAppEvent( pAppEvent );
758             }
759 #endif
760 
761             sal_Bool bDocRequestSent = sal_False;
762             ProcessDocumentsRequest* pRequest = new ProcessDocumentsRequest(
763                 aCmdLineArgs->getCwdUrl());
764             cProcessed.reset();
765             pRequest->pcProcessed = &cProcessed;
766 
767             // Print requests are not dependent on the -invisible cmdline argument as they are
768             // loaded with the "hidden" flag! So they are always checked.
769             bDocRequestSent |= aCmdLineArgs->GetPrintList( pRequest->aPrintList );
770             bDocRequestSent |= ( aCmdLineArgs->GetPrintToList( pRequest->aPrintToList ) &&
771                                     aCmdLineArgs->GetPrinterName( pRequest->aPrinterName )      );
772 
773             if ( !pCurrentCmdLineArgs->IsInvisible() )
774             {
775                 // Read cmdline args that can open/create documents. As they would open a window
776                 // they are only allowed if the "-invisible" is currently not used!
777                 bDocRequestSent |= aCmdLineArgs->GetOpenList( pRequest->aOpenList );
778                 bDocRequestSent |= aCmdLineArgs->GetViewList( pRequest->aViewList );
779                 bDocRequestSent |= aCmdLineArgs->GetStartList( pRequest->aStartList );
780                 bDocRequestSent |= aCmdLineArgs->GetForceOpenList( pRequest->aForceOpenList );
781                 bDocRequestSent |= aCmdLineArgs->GetForceNewList( pRequest->aForceNewList );
782 
783                 // Special command line args to create an empty document for a given module
784 
785                 // #i18338# (lo)
786                 // we only do this if no document was specified on the command line,
787                 // since this would be inconsistent with the behaviour of
788                 // the first process, see OpenClients() (call to OpenDefault()) in app.cxx
789                 if ( aCmdLineArgs->HasModuleParam() && Desktop::CheckOEM() && (!bDocRequestSent))
790                 {
791                     SvtModuleOptions aOpt;
792                     SvtModuleOptions::EFactory eFactory = SvtModuleOptions::E_WRITER;
793                     if ( aCmdLineArgs->IsWriter() )
794                         eFactory = SvtModuleOptions::E_WRITER;
795                     else if ( aCmdLineArgs->IsCalc() )
796                         eFactory = SvtModuleOptions::E_CALC;
797                     else if ( aCmdLineArgs->IsDraw() )
798                         eFactory = SvtModuleOptions::E_DRAW;
799                     else if ( aCmdLineArgs->IsImpress() )
800                         eFactory = SvtModuleOptions::E_IMPRESS;
801                     else if ( aCmdLineArgs->IsBase() )
802                         eFactory = SvtModuleOptions::E_DATABASE;
803                     else if ( aCmdLineArgs->IsMath() )
804                         eFactory = SvtModuleOptions::E_MATH;
805                     else if ( aCmdLineArgs->IsGlobal() )
806                         eFactory = SvtModuleOptions::E_WRITERGLOBAL;
807                     else if ( aCmdLineArgs->IsWeb() )
808                         eFactory = SvtModuleOptions::E_WRITERWEB;
809 
810                     if ( pRequest->aOpenList.getLength() )
811                         pRequest->aModule = aOpt.GetFactoryName( eFactory );
812                     else
813                         AddURLToStringList( aOpt.GetFactoryEmptyDocumentURL( eFactory ), pRequest->aOpenList );
814                     bDocRequestSent = sal_True;
815                 }
816             }
817 
818             if (!aCmdLineArgs->IsQuickstart() && Desktop::CheckOEM()) {
819                 sal_Bool bShowHelp = sal_False;
820                 rtl::OUStringBuffer aHelpURLBuffer;
821                 if (aCmdLineArgs->IsHelpWriter()) {
822                     bShowHelp = sal_True;
823                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://swriter/start");
824                 } else if (aCmdLineArgs->IsHelpCalc()) {
825                     bShowHelp = sal_True;
826                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://scalc/start");
827                 } else if (aCmdLineArgs->IsHelpDraw()) {
828                     bShowHelp = sal_True;
829                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://sdraw/start");
830                 } else if (aCmdLineArgs->IsHelpImpress()) {
831                     bShowHelp = sal_True;
832                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://simpress/start");
833                 } else if (aCmdLineArgs->IsHelpBase()) {
834                     bShowHelp = sal_True;
835                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://sdatabase/start");
836                 } else if (aCmdLineArgs->IsHelpBasic()) {
837                     bShowHelp = sal_True;
838                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://sbasic/start");
839                 } else if (aCmdLineArgs->IsHelpMath()) {
840                     bShowHelp = sal_True;
841                     aHelpURLBuffer.appendAscii("vnd.sun.star.help://smath/start");
842                 }
843                 if (bShowHelp) {
844                     Any aRet = ::utl::ConfigManager::GetDirectConfigProperty( ::utl::ConfigManager::LOCALE );
845                     rtl::OUString aTmp;
846                     aRet >>= aTmp;
847                     aHelpURLBuffer.appendAscii("?Language=");
848                     aHelpURLBuffer.append(aTmp);
849 #if defined UNX
850                     aHelpURLBuffer.appendAscii("&System=UNX");
851 #elif defined WNT
852                     aHelpURLBuffer.appendAscii("&System=WIN");
853 #elif defined OS2
854                     aHelpURLBuffer.appendAscii("&System=OS2");
855 #endif
856                     ApplicationEvent* pAppEvent =
857                         new ApplicationEvent( aEmpty, aEmpty,
858                                               "OPENHELPURL", aHelpURLBuffer.makeStringAndClear());
859                     ImplPostForeignAppEvent( pAppEvent );
860                 }
861             }
862 
863             if ( bDocRequestSent && Desktop::CheckOEM())
864             {
865                 // Send requests to dispatch watcher if we have at least one. The receiver
866                 // is responsible to delete the request after processing it.
867                 if ( aCmdLineArgs->HasModuleParam() )
868                 {
869                     SvtModuleOptions    aOpt;
870 
871                     // Support command line parameters to start a module (as preselection)
872                     if ( aCmdLineArgs->IsWriter() && aOpt.IsModuleInstalled( SvtModuleOptions::E_SWRITER ) )
873                         pRequest->aModule = aOpt.GetFactoryName( SvtModuleOptions::E_WRITER );
874                     else if ( aCmdLineArgs->IsCalc() && aOpt.IsModuleInstalled( SvtModuleOptions::E_SCALC ) )
875                         pRequest->aModule = aOpt.GetFactoryName( SvtModuleOptions::E_CALC );
876                     else if ( aCmdLineArgs->IsImpress() && aOpt.IsModuleInstalled( SvtModuleOptions::E_SIMPRESS ) )
877                         pRequest->aModule= aOpt.GetFactoryName( SvtModuleOptions::E_IMPRESS );
878                     else if ( aCmdLineArgs->IsDraw() && aOpt.IsModuleInstalled( SvtModuleOptions::E_SDRAW ) )
879                         pRequest->aModule= aOpt.GetFactoryName( SvtModuleOptions::E_DRAW );
880                 }
881 
882 
883                 ImplPostProcessDocumentsEvent( pRequest );
884             }
885             else
886             {
887                 // delete not used request again
888                 delete pRequest;
889                 pRequest = NULL;
890             }
891             if (( aArguments.CompareTo( sc_aShowSequence, sc_nShSeqLength ) == COMPARE_EQUAL ) ||
892                 aCmdLineArgs->IsEmpty() )
893             {
894                 // no document was sent, just bring Office to front
895                 ApplicationEvent* pAppEvent =
896                         new ApplicationEvent( aEmpty, aEmpty, "APPEAR", aEmpty );
897                 ImplPostForeignAppEvent( pAppEvent );
898             }
899 
900             // we don't need the mutex any longer...
901             aGuard.clear();
902             // wait for processing to finish
903             if (bDocRequestSent)
904                 cProcessed.wait();
905             // processing finished, inform the requesting end
906             nBytes = 0;
907             while (
908                    (nResult = maStreamPipe.send(sc_aConfirmationSequence+nBytes, sc_nCSeqLength-nBytes))>0 &&
909                    ((nBytes += nResult) < sc_nCSeqLength) ) ;
910             // now we can close, don't we?
911             // maStreamPipe.close();
912 
913         }
914         else
915         {
916 #if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
917             fprintf( stderr, "Error on accept: %d\n", (int)nError );
918 #endif
919             TimeValue tval;
920             tval.Seconds = 1;
921             tval.Nanosec = 0;
922             sleep( tval );
923         }
924     } while( schedule() );
925 }
926 
AddToDispatchList(DispatchWatcher::DispatchList & rDispatchList,boost::optional<rtl::OUString> const & cwdUrl,const OUString & aRequestList,DispatchWatcher::RequestType nType,const OUString & aParam,const OUString & aFactory)927 static void AddToDispatchList(
928     DispatchWatcher::DispatchList& rDispatchList,
929     boost::optional< rtl::OUString > const & cwdUrl,
930     const OUString& aRequestList,
931     DispatchWatcher::RequestType nType,
932     const OUString& aParam,
933     const OUString& aFactory )
934 {
935     if ( aRequestList.getLength() > 0 )
936     {
937         sal_Int32 nIndex = 0;
938         do
939         {
940             OUString aToken = aRequestList.getToken( 0, APPEVENT_PARAM_DELIMITER, nIndex );
941             if ( aToken.getLength() > 0 )
942                 rDispatchList.push_back(
943                     DispatchWatcher::DispatchRequest( nType, aToken, cwdUrl, aParam, aFactory ));
944         }
945         while ( nIndex >= 0 );
946     }
947 }
948 
ExecuteCmdLineRequests(ProcessDocumentsRequest & aRequest)949 sal_Bool OfficeIPCThread::ExecuteCmdLineRequests( ProcessDocumentsRequest& aRequest )
950 {
951     // protect the dispatch list
952     osl::ClearableMutexGuard aGuard( GetMutex() );
953 
954     static DispatchWatcher::DispatchList    aDispatchList;
955 
956     rtl::OUString aEmpty;
957     // Create dispatch list for dispatch watcher
958     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aOpenList, DispatchWatcher::REQUEST_OPEN, aEmpty, aRequest.aModule );
959     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aViewList, DispatchWatcher::REQUEST_VIEW, aEmpty, aRequest.aModule );
960     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aStartList, DispatchWatcher::REQUEST_START, aEmpty, aRequest.aModule );
961     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aPrintList, DispatchWatcher::REQUEST_PRINT, aEmpty, aRequest.aModule );
962     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aPrintToList, DispatchWatcher::REQUEST_PRINTTO, aRequest.aPrinterName, aRequest.aModule );
963     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aForceOpenList, DispatchWatcher::REQUEST_FORCEOPEN, aEmpty, aRequest.aModule );
964     AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aForceNewList, DispatchWatcher::REQUEST_FORCENEW, aEmpty, aRequest.aModule );
965 
966     sal_Bool bShutdown( sal_False );
967 
968     if ( pGlobalOfficeIPCThread )
969     {
970         if( ! pGlobalOfficeIPCThread->AreRequestsEnabled() )
971             return bShutdown;
972 
973         pGlobalOfficeIPCThread->mnPendingRequests += aDispatchList.size();
974         if ( !pGlobalOfficeIPCThread->mpDispatchWatcher )
975         {
976             pGlobalOfficeIPCThread->mpDispatchWatcher = DispatchWatcher::GetDispatchWatcher();
977             pGlobalOfficeIPCThread->mpDispatchWatcher->acquire();
978         }
979 
980         // copy for execute
981         DispatchWatcher::DispatchList aTempList( aDispatchList );
982         aDispatchList.clear();
983 
984         aGuard.clear();
985 
986         // Execute dispatch requests
987         bShutdown = pGlobalOfficeIPCThread->mpDispatchWatcher->executeDispatchRequests( aTempList, s_bInEnableRequests );
988 
989         // set processed flag
990         if (aRequest.pcProcessed != NULL)
991             aRequest.pcProcessed->set();
992     }
993 
994     return bShutdown;
995 }
996 
997 }
998