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
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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_dbui.hxx"
26
27 #ifndef _DBAUI_ODBC_CONFIG_HXX_
28 #include "odbcconfig.hxx"
29 #endif
30 #include <rtl/bootstrap.hxx>
31 #ifndef _RTL_USTRING_HXX_
32 #include <rtl/ustring.hxx>
33 #endif
34 #ifndef _RTL_USTRBUF_HXX_
35 #include <rtl/ustrbuf.hxx>
36 #endif
37 #ifndef _OSL_DIAGNOSE_H_
38 #include <osl/diagnose.h>
39 #endif
40 #ifndef _OSL_PROCESS_H_
41 #include <osl/process.h>
42 #endif
43 #ifndef _THREAD_HXX_
44 #include <osl/thread.hxx>
45 #endif
46 #ifndef _TOOLS_DEBUG_HXX
47 #include <tools/debug.hxx>
48 #endif
49 #ifndef _SV_SVAPP_HXX
50 #include <vcl/svapp.hxx>
51 #endif
52
53 #ifdef HAVE_ODBC_SUPPORT
54
55 #if defined(OS2)
56 #define ODBC_LIBRARY "ODBC.DLL"
57 #define ODBC_UI_LIBRARY "ODBCINST.DLL"
58 #endif
59 #if defined WNT
60 #define ODBC_LIBRARY "ODBC32.DLL"
61 #define ODBC_UI_LIBRARY "ODBCCP32.DLL"
62 #endif
63 #ifdef UNX
64 #ifdef MACOSX
65 #define ODBC_LIBRARY "libiodbc.dylib"
66 #define ODBC_UI_LIBRARY "libiodbcinst.dylib"
67 #else
68 #define ODBC_LIBRARY_1 "libodbc.so.1"
69 #define ODBC_UI_LIBRARY_1 "libodbcinst.so.1"
70 #define ODBC_LIBRARY "libodbc.so"
71 #define ODBC_UI_LIBRARY "libodbcinst.so"
72 #endif
73 #endif
74
75 // just to go with calling convention of windows
76 // so don't touch this
77 #if defined(WNT)
78 #define SQL_API __stdcall
79 // At least under some circumstances, the below #include <odbc/sqlext.h> re-
80 // defines SQL_API to an empty string, leading to a compiler warning on MSC; to
81 // not break the current behavior, this is worked around by locally disabling
82 // that warning:
83 #if defined _MSC_VER
84 #pragma warning(push)
85 #pragma warning(disable: 4005)
86 #endif
87 #endif // defined(WNT)
88
89 #if defined(OS2)
90 #define ALLREADY_HAVE_OS2_TYPES
91 #define DONT_TD_VOID
92 #endif
93
94 #ifdef SYSTEM_ODBC_HEADERS
95 #include <sqlext.h>
96 #else
97 #ifndef __SQLEXT_H
98 #include <odbc/sqlext.h>
99 #endif
100 #endif
101
102 #if defined(WNT)
103 #if defined _MSC_VER
104 #pragma warning(pop)
105 #endif
106 #undef SQL_API
107 #define SQL_API __stdcall
108 #endif // defined(WNT)
109 // from here on you can do what you want to
110
111 #else
112
113 #define ODBC_LIBRARY ""
114 #define ODBC_UI_LIBRARY ""
115
116 #endif // HAVE_ODBC_SUPPORT
117
118 //.........................................................................
119 namespace dbaui
120 {
121 //.........................................................................
122
123
124 #ifdef HAVE_ODBC_SUPPORT
125 typedef SQLRETURN (SQL_API* TSQLManageDataSource) (SQLHWND hwndParent);
126 typedef SQLRETURN (SQL_API* TSQLAllocHandle) (SQLSMALLINT HandleType, SQLHANDLE InputHandle, SQLHANDLE* OutputHandlePtr);
127 typedef SQLRETURN (SQL_API* TSQLFreeHandle) (SQLSMALLINT HandleType, SQLHANDLE Handle);
128 typedef SQLRETURN (SQL_API* TSQLSetEnvAttr) (SQLHENV EnvironmentHandle, SQLINTEGER Attribute, SQLPOINTER ValuePtr, SQLINTEGER StringLength);
129 typedef SQLRETURN (SQL_API* TSQLDataSources) (SQLHENV EnvironmentHandle, SQLUSMALLINT Direction, SQLCHAR* ServerName,
130 SQLSMALLINT BufferLength1, SQLSMALLINT* NameLength1Ptr, SQLCHAR* Description, SQLSMALLINT BufferLength2, SQLSMALLINT* NameLength2Ptr);
131
132 #define NSQLManageDataSource(a) (*(TSQLManageDataSource)(m_pSQLManageDataSource))(a)
133 #define NSQLAllocHandle(a,b,c) (*(TSQLAllocHandle)(m_pAllocHandle))(a,b,c)
134 #define NSQLFreeHandle(a,b) (*(TSQLFreeHandle)(m_pFreeHandle))(a,b)
135 #define NSQLSetEnvAttr(a,b,c,d) (*(TSQLSetEnvAttr)(m_pSetEnvAttr))(a,b,c,d)
136 #define NSQLDataSources(a,b,c,d,e,f,g,h) (*(TSQLDataSources)(m_pDataSources))(a,b,c,d,e,f,g,h)
137 #endif
138
139 //=========================================================================
140 //= OOdbcLibWrapper
141 //=========================================================================
DBG_NAME(OOdbcLibWrapper)142 DBG_NAME(OOdbcLibWrapper)
143 //-------------------------------------------------------------------------
144 #ifdef HAVE_ODBC_SUPPORT
145 OOdbcLibWrapper::OOdbcLibWrapper()
146 :m_pOdbcLib(NULL)
147 {
148 DBG_CTOR(OOdbcLibWrapper,NULL);
149
150 }
151 #endif
152
153 //-------------------------------------------------------------------------
load(const sal_Char * _pLibPath)154 sal_Bool OOdbcLibWrapper::load(const sal_Char* _pLibPath)
155 {
156 m_sLibPath = ::rtl::OUString::createFromAscii(_pLibPath);
157 #ifdef HAVE_ODBC_SUPPORT
158 // load the module
159 m_pOdbcLib = osl_loadModule(m_sLibPath.pData, SAL_LOADMODULE_NOW);
160 return (NULL != m_pOdbcLib);
161 #endif
162 }
163
164 //-------------------------------------------------------------------------
unload()165 void OOdbcLibWrapper::unload()
166 {
167 #ifdef HAVE_ODBC_SUPPORT
168 if (isLoaded())
169 {
170 osl_unloadModule(m_pOdbcLib);
171 m_pOdbcLib = NULL;
172 }
173 #endif
174 }
175
176 //-------------------------------------------------------------------------
loadSymbol(const sal_Char * _pFunctionName)177 oslGenericFunction OOdbcLibWrapper::loadSymbol(const sal_Char* _pFunctionName)
178 {
179 return osl_getFunctionSymbol(m_pOdbcLib, ::rtl::OUString::createFromAscii(_pFunctionName).pData);
180 }
181
182 //-------------------------------------------------------------------------
~OOdbcLibWrapper()183 OOdbcLibWrapper::~OOdbcLibWrapper()
184 {
185 unload();
186
187 DBG_DTOR(OOdbcLibWrapper,NULL);
188 }
189
190 //=========================================================================
191 //= OOdbcEnumeration
192 //=========================================================================
193 struct OdbcTypesImpl
194 {
195 #ifdef HAVE_ODBC_SUPPORT
196 SQLHANDLE hEnvironment;
OdbcTypesImpldbaui::OdbcTypesImpl197 OdbcTypesImpl() : hEnvironment(0) { }
198 #else
199 void* pDummy;
200 #endif
201 };
DBG_NAME(OOdbcEnumeration)202 DBG_NAME(OOdbcEnumeration)
203 //-------------------------------------------------------------------------
204 OOdbcEnumeration::OOdbcEnumeration()
205 #ifdef HAVE_ODBC_SUPPORT
206 :m_pAllocHandle(NULL)
207 ,m_pSetEnvAttr(NULL)
208 ,m_pDataSources(NULL)
209 ,m_pImpl(new OdbcTypesImpl)
210 #endif
211 {
212 DBG_CTOR(OOdbcEnumeration,NULL);
213
214 sal_Bool bLoaded = load(ODBC_LIBRARY);
215 #ifdef ODBC_LIBRARY_1
216 if ( !bLoaded )
217 bLoaded = load(ODBC_LIBRARY_1);
218 #endif
219
220 if ( bLoaded )
221 {
222 #ifdef HAVE_ODBC_SUPPORT
223 // load the generic functions
224 m_pAllocHandle = loadSymbol("SQLAllocHandle");
225 m_pFreeHandle = loadSymbol("SQLFreeHandle");
226 m_pSetEnvAttr = loadSymbol("SQLSetEnvAttr");
227 m_pDataSources = loadSymbol("SQLDataSources");
228
229 // all or nothing
230 if (!m_pAllocHandle || !m_pSetEnvAttr || !m_pDataSources || !m_pFreeHandle)
231 {
232 unload();
233 m_pAllocHandle = m_pFreeHandle = m_pSetEnvAttr = m_pDataSources = NULL;
234 }
235 #endif
236 }
237 }
238
239 //-------------------------------------------------------------------------
~OOdbcEnumeration()240 OOdbcEnumeration::~OOdbcEnumeration()
241 {
242 freeEnv();
243 delete m_pImpl;
244
245 DBG_DTOR(OOdbcEnumeration,NULL);
246 }
247
248 //-------------------------------------------------------------------------
allocEnv()249 sal_Bool OOdbcEnumeration::allocEnv()
250 {
251 OSL_ENSURE(isLoaded(), "OOdbcEnumeration::allocEnv: not loaded!");
252 if (!isLoaded())
253 return sal_False;
254
255 #ifdef HAVE_ODBC_SUPPORT
256 if (m_pImpl->hEnvironment)
257 // nothing to do
258 return sal_True;
259 SQLRETURN nResult = NSQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &m_pImpl->hEnvironment);
260 if (SQL_SUCCESS != nResult)
261 // can't do anything without environment
262 return sal_False;
263
264 NSQLSetEnvAttr(m_pImpl->hEnvironment, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, SQL_IS_INTEGER);
265 return sal_True;
266 #else
267 return sal_False;
268 #endif
269 }
270
271 //-------------------------------------------------------------------------
freeEnv()272 void OOdbcEnumeration::freeEnv()
273 {
274 #ifdef HAVE_ODBC_SUPPORT
275 if (m_pImpl->hEnvironment)
276 NSQLFreeHandle(SQL_HANDLE_ENV, m_pImpl->hEnvironment);
277 m_pImpl->hEnvironment = 0;
278 #endif
279 }
280
281 //-------------------------------------------------------------------------
getDatasourceNames(StringBag & _rNames)282 void OOdbcEnumeration::getDatasourceNames(StringBag& _rNames)
283 {
284 OSL_ENSURE(isLoaded(), "OOdbcEnumeration::getDatasourceNames: not loaded!");
285 if (!isLoaded())
286 return;
287
288 if (!allocEnv())
289 {
290 OSL_ENSURE(sal_False, "OOdbcEnumeration::getDatasourceNames: could not allocate an ODBC environment!");
291 return;
292 }
293
294 #ifdef HAVE_ODBC_SUPPORT
295 // now that we have an environment collect the data source names
296 UCHAR szDSN[SQL_MAX_DSN_LENGTH+1];
297 SWORD pcbDSN;
298 UCHAR szDescription[1024+1];
299 SWORD pcbDescription;
300 SQLRETURN nResult = SQL_SUCCESS;
301 rtl_TextEncoding nTextEncoding = osl_getThreadTextEncoding();
302
303 for ( nResult = NSQLDataSources(m_pImpl->hEnvironment, SQL_FETCH_FIRST, szDSN, sizeof(szDSN), &pcbDSN, szDescription, sizeof(szDescription)-1, &pcbDescription);
304 ;
305 nResult = NSQLDataSources(m_pImpl->hEnvironment, SQL_FETCH_NEXT, szDSN, sizeof(szDSN), &pcbDSN, szDescription, sizeof(szDescription)-1, &pcbDescription)
306 )
307 {
308 if (nResult != SQL_SUCCESS)
309 // no further error handling
310 break;
311 else
312 {
313 ::rtl::OUString aCurrentDsn(reinterpret_cast<const char*>(szDSN),pcbDSN, nTextEncoding);
314 _rNames.insert(aCurrentDsn);
315 }
316 }
317 #endif
318 }
319
320 #ifdef HAVE_ODBC_ADMINISTRATION
321
322 //=========================================================================
323 //= ProcessTerminationWait
324 //=========================================================================
325 class ProcessTerminationWait : public ::osl::Thread
326 {
327 oslProcess m_hProcessHandle;
328 Link m_aFinishHdl;
329
330 public:
ProcessTerminationWait(oslProcess _hProcessHandle,const Link & _rFinishHdl)331 ProcessTerminationWait( oslProcess _hProcessHandle, const Link& _rFinishHdl )
332 :m_hProcessHandle( _hProcessHandle )
333 ,m_aFinishHdl( _rFinishHdl )
334 {
335 }
336
337 protected:
run()338 virtual void SAL_CALL run()
339 {
340 osl_joinProcess( m_hProcessHandle );
341 osl_freeProcessHandle( m_hProcessHandle );
342 Application::PostUserEvent( m_aFinishHdl );
343 }
344 };
345
346 //=========================================================================
347 //= OOdbcManagement
348 //=========================================================================
349 //-------------------------------------------------------------------------
OOdbcManagement(const Link & _rAsyncFinishCallback)350 OOdbcManagement::OOdbcManagement( const Link& _rAsyncFinishCallback )
351 :m_pProcessWait( NULL )
352 ,m_aAsyncFinishCallback( _rAsyncFinishCallback )
353 {
354 }
355
356 //-------------------------------------------------------------------------
~OOdbcManagement()357 OOdbcManagement::~OOdbcManagement()
358 {
359 // wait for our thread to be finished
360 if ( m_pProcessWait.get() )
361 m_pProcessWait->join();
362 }
363
364 //-------------------------------------------------------------------------
manageDataSources_async()365 bool OOdbcManagement::manageDataSources_async()
366 {
367 OSL_PRECOND( !isRunning(), "OOdbcManagement::manageDataSources_async: still running from the previous call!" );
368 if ( isRunning() )
369 return false;
370
371 // this is done in an external process, due to #i78733#
372 // (and note this whole functionality is supported on Windows only, ATM)
373 ::rtl::OUString sExecutableName( RTL_CONSTASCII_USTRINGPARAM( "$OOO_BASE_DIR/program/odbcconfig.exe" ) );
374 ::rtl::Bootstrap::expandMacros( sExecutableName ); //TODO: detect failure
375 oslProcess hProcessHandle(0);
376 oslProcessError eError = osl_executeProcess( sExecutableName.pData, NULL, 0, 0, NULL, NULL, NULL, 0, &hProcessHandle );
377 if ( eError != osl_Process_E_None )
378 return false;
379
380 m_pProcessWait.reset( new ProcessTerminationWait( hProcessHandle, m_aAsyncFinishCallback ) );
381 m_pProcessWait->create();
382 return true;
383 }
384
385 //-------------------------------------------------------------------------
isRunning() const386 bool OOdbcManagement::isRunning() const
387 {
388 return ( m_pProcessWait.get() && m_pProcessWait->isRunning() );
389 }
390
391 #endif // HAVE_ODBC_ADMINISTRATION
392
393 //.........................................................................
394 } // namespace dbaui
395 //.........................................................................
396