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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "osl/process.h"
21 :
22 : #include <limits.h>
23 : #include <pthread.h>
24 : #include <stdlib.h>
25 : #include <string.h>
26 :
27 : #include "osl/diagnose.h"
28 : #include "osl/file.h"
29 : #include "osl/module.h"
30 : #include "osl/thread.h"
31 : #include "rtl/ustring.hxx"
32 : #include "rtl/strbuf.h"
33 :
34 : #include "file_path_helper.h"
35 :
36 : #include "uunxapi.h"
37 : #include "getexecutablefile.hxx"
38 : #include "nlsupport.h"
39 :
40 : #ifdef ANDROID
41 : #include <osl/detail/android-bootstrap.h>
42 : #endif
43 :
44 : #if defined(MACOSX) || defined(IOS)
45 : #include <mach-o/dyld.h>
46 :
47 : oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
48 : rtl_uString ** ppFileURL
49 : ) SAL_THROW_EXTERN_C()
50 : {
51 : oslProcessError result = osl_Process_E_NotFound;
52 :
53 : char buffer[PATH_MAX];
54 : size_t buflen = sizeof(buffer);
55 :
56 : if (_NSGetExecutablePath (buffer, (uint32_t*)&buflen) == 0)
57 : {
58 : /* Determine absolute path. */
59 : char abspath[PATH_MAX];
60 : if (realpath (buffer, abspath) != 0)
61 : {
62 : /* Convert from utf8 to unicode. */
63 : rtl_uString * pAbsPath = 0;
64 : rtl_string2UString (
65 : &(pAbsPath),
66 : abspath, rtl_str_getLength (abspath),
67 : RTL_TEXTENCODING_UTF8,
68 : OSTRING_TO_OUSTRING_CVTFLAGS);
69 :
70 : if (pAbsPath)
71 : {
72 : /* Convert from path to url. */
73 : if (osl_getFileURLFromSystemPath (pAbsPath, ppFileURL) == osl_File_E_None)
74 : {
75 : /* Success. */
76 : result = osl_Process_E_None;
77 : }
78 : rtl_uString_release (pAbsPath);
79 : }
80 : }
81 : }
82 :
83 : return (result);
84 : }
85 :
86 : #else
87 : #include <dlfcn.h>
88 :
89 742 : oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl (
90 : rtl_uString ** ppFileURL
91 : ) SAL_THROW_EXTERN_C()
92 : {
93 742 : oslProcessError result = osl_Process_E_NotFound;
94 :
95 : #ifdef ANDROID
96 : /* Now with just a single DSO, this one from lo-bootstrap.c is as good as
97 : * any */
98 : void * addr = dlsym (RTLD_DEFAULT, "JNI_OnLoad");
99 : #else
100 : /* Determine address of "main()" function. */
101 742 : void * addr = dlsym (RTLD_DEFAULT, "main");
102 : #endif
103 742 : if (addr != 0)
104 : {
105 : /* Determine module URL. */
106 4 : if (osl_getModuleURLFromAddress (addr, ppFileURL))
107 : {
108 : /* Success. */
109 4 : result = osl_Process_E_None;
110 : }
111 : }
112 :
113 : /* Fallback to ordinary osl_getExecutableFile(). */
114 742 : if (result == osl_Process_E_NotFound)
115 738 : result = osl_getExecutableFile (ppFileURL);
116 :
117 742 : return (result);
118 : }
119 :
120 : #endif
121 :
122 : /***************************************
123 : CommandArgs_Impl.
124 : **************************************/
125 : struct CommandArgs_Impl
126 : {
127 : pthread_mutex_t m_mutex;
128 : sal_uInt32 m_nCount;
129 : rtl_uString ** m_ppArgs;
130 : };
131 :
132 : static struct CommandArgs_Impl g_command_args =
133 : {
134 : PTHREAD_MUTEX_INITIALIZER,
135 : 0,
136 : 0
137 : };
138 :
139 : /***************************************
140 : osl_getExecutableFile().
141 : **************************************/
142 2324 : oslProcessError SAL_CALL osl_getExecutableFile (rtl_uString ** ppustrFile)
143 : {
144 2324 : oslProcessError result = osl_Process_E_NotFound;
145 :
146 2324 : pthread_mutex_lock (&(g_command_args.m_mutex));
147 : OSL_ASSERT(g_command_args.m_nCount > 0);
148 2324 : if (g_command_args.m_nCount > 0)
149 : {
150 : /* CommandArgs set. Obtain argv[0]. */
151 2324 : rtl_uString_assign (ppustrFile, g_command_args.m_ppArgs[0]);
152 2324 : result = osl_Process_E_None;
153 : }
154 2324 : pthread_mutex_unlock (&(g_command_args.m_mutex));
155 :
156 2324 : return (result);
157 : }
158 :
159 : /***************************************
160 : osl_getCommandArgCount().
161 : **************************************/
162 2299 : sal_uInt32 SAL_CALL osl_getCommandArgCount (void)
163 : {
164 2299 : sal_uInt32 result = 0;
165 :
166 2299 : pthread_mutex_lock (&(g_command_args.m_mutex));
167 : assert (g_command_args.m_nCount != 0);
168 2299 : if (g_command_args.m_nCount > 0)
169 2299 : result = g_command_args.m_nCount - 1;
170 2299 : pthread_mutex_unlock (&(g_command_args.m_mutex));
171 :
172 2299 : return (result);
173 : }
174 :
175 : /***************************************
176 : osl_getCommandArg().
177 : **************************************/
178 18348 : oslProcessError SAL_CALL osl_getCommandArg (sal_uInt32 nArg, rtl_uString ** strCommandArg)
179 : {
180 18348 : oslProcessError result = osl_Process_E_NotFound;
181 :
182 18348 : pthread_mutex_lock (&(g_command_args.m_mutex));
183 : OSL_ASSERT(g_command_args.m_nCount > 0);
184 18348 : if (g_command_args.m_nCount > (nArg + 1))
185 : {
186 18348 : rtl_uString_assign (strCommandArg, g_command_args.m_ppArgs[nArg + 1]);
187 18348 : result = osl_Process_E_None;
188 : }
189 18348 : pthread_mutex_unlock (&(g_command_args.m_mutex));
190 :
191 18348 : return (result);
192 : }
193 :
194 0 : int SAL_CALL osl_areCommandArgsSet (void)
195 : {
196 0 : pthread_mutex_lock (&(g_command_args.m_mutex));
197 0 : int nRet = (int) (g_command_args.m_nCount > 0);
198 0 : pthread_mutex_unlock (&(g_command_args.m_mutex));
199 0 : return nRet;
200 : }
201 :
202 : /***************************************
203 : osl_setCommandArgs().
204 : **************************************/
205 2767 : void SAL_CALL osl_setCommandArgs (int argc, char ** argv)
206 : {
207 : // special case for argc == 0: set up fake command line
208 2767 : int nArgs(argc ? argc : 1);
209 2767 : pthread_mutex_lock (&(g_command_args.m_mutex));
210 : assert (g_command_args.m_nCount == 0);
211 2767 : if (g_command_args.m_nCount == 0)
212 : {
213 : rtl_uString** ppArgs =
214 2767 : (rtl_uString**)rtl_allocateZeroMemory(nArgs * sizeof(rtl_uString*));
215 2767 : if (ppArgs != 0 && argc == 0)
216 : {
217 : // special case: set up fake command line
218 : char const*const arg =
219 4 : "this is just a fake and cheap imitation of a command line";
220 : rtl_string2UString(&ppArgs[0],
221 : arg, rtl_str_getLength(arg), RTL_TEXTENCODING_ASCII_US,
222 4 : OSTRING_TO_OUSTRING_CVTFLAGS);
223 4 : g_command_args.m_nCount = nArgs;
224 4 : g_command_args.m_ppArgs = ppArgs;
225 : }
226 2763 : else if (ppArgs != 0)
227 : {
228 2763 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
229 19278 : for (int i = 0; i < argc; i++)
230 : {
231 : rtl_string2UString (
232 : &(ppArgs[i]),
233 33030 : argv[i], rtl_str_getLength (argv[i]), encoding,
234 49545 : OSTRING_TO_OUSTRING_CVTFLAGS);
235 : }
236 2763 : if (ppArgs[0] != 0)
237 : {
238 : #if !defined(ANDROID) && !defined(IOS) // No use searching PATH on Android or iOS
239 : /* see @ osl_getExecutableFile(). */
240 2763 : if (rtl_ustr_indexOfChar (rtl_uString_getStr(ppArgs[0]), '/') == -1)
241 : {
242 0 : const rtl::OUString PATH ("PATH");
243 :
244 0 : rtl_uString * pSearchPath = 0;
245 0 : osl_getEnvironment (PATH.pData, &pSearchPath);
246 0 : if (pSearchPath)
247 : {
248 0 : rtl_uString * pSearchResult = 0;
249 0 : osl_searchPath (ppArgs[0], pSearchPath, &pSearchResult);
250 0 : if (pSearchResult)
251 : {
252 0 : rtl_uString_assign (&(ppArgs[0]), pSearchResult);
253 0 : rtl_uString_release (pSearchResult);
254 : }
255 0 : rtl_uString_release (pSearchPath);
256 0 : }
257 : }
258 : #endif
259 2763 : rtl_uString * pArg0 = 0;
260 2763 : if (realpath_u (ppArgs[0], &pArg0))
261 : {
262 2763 : osl_getFileURLFromSystemPath (pArg0, &(ppArgs[0]));
263 2763 : rtl_uString_release (pArg0);
264 : }
265 : }
266 2763 : g_command_args.m_nCount = argc;
267 2763 : g_command_args.m_ppArgs = ppArgs;
268 : }
269 : }
270 2767 : pthread_mutex_unlock (&(g_command_args.m_mutex));
271 2767 : }
272 :
273 : /***************************************
274 : osl_getEnvironment().
275 : **************************************/
276 132560 : oslProcessError SAL_CALL osl_getEnvironment(rtl_uString* pustrEnvVar, rtl_uString** ppustrValue)
277 : {
278 132560 : oslProcessError result = osl_Process_E_NotFound;
279 132560 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
280 132560 : rtl_String* pstr_env_var = 0;
281 :
282 : OSL_PRECOND(pustrEnvVar, "osl_getEnvironment(): Invalid parameter");
283 : OSL_PRECOND(ppustrValue, "osl_getEnvironment(): Invalid parameter");
284 :
285 : rtl_uString2String(
286 : &pstr_env_var,
287 132560 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
288 265120 : OUSTRING_TO_OSTRING_CVTFLAGS);
289 132560 : if (pstr_env_var != 0)
290 : {
291 132560 : const char* p_env_var = getenv (rtl_string_getStr (pstr_env_var));
292 132560 : if (p_env_var != 0)
293 : {
294 : rtl_string2UString(
295 : ppustrValue,
296 322 : p_env_var, strlen(p_env_var), encoding,
297 644 : OSTRING_TO_OUSTRING_CVTFLAGS);
298 : OSL_ASSERT(*ppustrValue != NULL);
299 :
300 322 : result = osl_Process_E_None;
301 : }
302 132560 : rtl_string_release(pstr_env_var);
303 : }
304 :
305 132560 : return (result);
306 : }
307 :
308 : /***************************************
309 : osl_setEnvironment().
310 : **************************************/
311 677 : oslProcessError SAL_CALL osl_setEnvironment(rtl_uString* pustrEnvVar, rtl_uString* pustrValue)
312 : {
313 677 : oslProcessError result = osl_Process_E_Unknown;
314 677 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
315 677 : rtl_String* pstr_env_var = 0;
316 677 : rtl_String* pstr_val = 0;
317 :
318 : OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
319 : OSL_PRECOND(pustrValue, "osl_setEnvironment(): Invalid parameter");
320 :
321 : rtl_uString2String(
322 : &pstr_env_var,
323 677 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
324 1354 : OUSTRING_TO_OSTRING_CVTFLAGS);
325 :
326 : rtl_uString2String(
327 : &pstr_val,
328 677 : rtl_uString_getStr(pustrValue), rtl_uString_getLength(pustrValue), encoding,
329 1354 : OUSTRING_TO_OSTRING_CVTFLAGS);
330 :
331 677 : if (pstr_env_var != 0 && pstr_val != 0)
332 : {
333 : #if defined (SOLARIS)
334 : rtl_String * pBuffer = NULL;
335 :
336 : sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
337 : rtl_string_getLength(pstr_env_var) + rtl_string_getLength(pstr_val) + 1,
338 : pstr_env_var );
339 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
340 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length,
341 : rtl_string_getStr(pstr_val), rtl_string_getLength(pstr_val) );
342 :
343 : rtl_string_acquire(pBuffer); // argument to putenv must leak on success
344 :
345 : if (putenv(rtl_string_getStr(pBuffer)) == 0)
346 : result = osl_Process_E_None;
347 : else
348 : rtl_string_release(pBuffer);
349 : #else
350 677 : if (setenv(rtl_string_getStr(pstr_env_var), rtl_string_getStr(pstr_val), 1) == 0)
351 677 : result = osl_Process_E_None;
352 : #endif
353 : }
354 :
355 677 : if (pstr_val)
356 677 : rtl_string_release(pstr_val);
357 :
358 677 : if (pstr_env_var != 0)
359 677 : rtl_string_release(pstr_env_var);
360 :
361 677 : return (result);
362 : }
363 :
364 : /***************************************
365 : osl_clearEnvironment().
366 : **************************************/
367 6 : oslProcessError SAL_CALL osl_clearEnvironment(rtl_uString* pustrEnvVar)
368 : {
369 6 : oslProcessError result = osl_Process_E_Unknown;
370 6 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
371 6 : rtl_String* pstr_env_var = 0;
372 :
373 : OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
374 :
375 : rtl_uString2String(
376 : &pstr_env_var,
377 6 : rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
378 12 : OUSTRING_TO_OSTRING_CVTFLAGS);
379 :
380 6 : if (pstr_env_var)
381 : {
382 : #if defined (SOLARIS)
383 : rtl_String * pBuffer = NULL;
384 :
385 : sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
386 : rtl_string_getLength(pstr_env_var) + 1, pstr_env_var );
387 : rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
388 :
389 : rtl_string_acquire(pBuffer); // argument to putenv must leak on success
390 :
391 : if (putenv(rtl_string_getStr(pBuffer)) == 0)
392 : result = osl_Process_E_None;
393 : else
394 : rtl_string_release(pBuffer);
395 : #elif (defined(MACOSX) || defined(NETBSD) || defined(FREEBSD))
396 : //MacOSX baseline is 10.4, which has an old-school void return
397 : //for unsetenv.
398 : //See: http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/10.4/man3/unsetenv.3.html?useVersion=10.4
399 : unsetenv(rtl_string_getStr(pstr_env_var));
400 : result = osl_Process_E_None;
401 : #else
402 6 : if (unsetenv(rtl_string_getStr(pstr_env_var)) == 0)
403 6 : result = osl_Process_E_None;
404 : #endif
405 6 : rtl_string_release(pstr_env_var);
406 : }
407 :
408 6 : return (result);
409 : }
410 :
411 : /***************************************
412 : osl_getProcessWorkingDir().
413 : **************************************/
414 80208 : oslProcessError SAL_CALL osl_getProcessWorkingDir(rtl_uString **ppustrWorkingDir)
415 : {
416 80208 : oslProcessError result = osl_Process_E_Unknown;
417 : char buffer[PATH_MAX];
418 :
419 : OSL_PRECOND(ppustrWorkingDir, "osl_getProcessWorkingDir(): Invalid parameter");
420 :
421 80208 : if (getcwd (buffer, sizeof(buffer)) != 0)
422 : {
423 80208 : rtl_uString* ustrTmp = 0;
424 :
425 : rtl_string2UString(
426 : &ustrTmp,
427 160416 : buffer, strlen(buffer), osl_getThreadTextEncoding(),
428 160416 : OSTRING_TO_OUSTRING_CVTFLAGS);
429 80208 : if (ustrTmp != 0)
430 : {
431 80208 : if (osl_getFileURLFromSystemPath (ustrTmp, ppustrWorkingDir) == osl_File_E_None)
432 80208 : result = osl_Process_E_None;
433 80208 : rtl_uString_release (ustrTmp);
434 : }
435 : }
436 :
437 80208 : return (result);
438 : }
439 :
440 : /******************************************************************************
441 : *
442 : * new functions to set/return the current process locale
443 : *
444 : *****************************************************************************/
445 :
446 : struct ProcessLocale_Impl
447 : {
448 : pthread_mutex_t m_mutex;
449 : rtl_Locale * m_pLocale;
450 : };
451 :
452 : static struct ProcessLocale_Impl g_process_locale =
453 : {
454 : PTHREAD_MUTEX_INITIALIZER,
455 : 0
456 : };
457 :
458 : /**********************************************
459 : osl_getProcessLocale().
460 : *********************************************/
461 3143 : oslProcessError SAL_CALL osl_getProcessLocale( rtl_Locale ** ppLocale )
462 : {
463 3143 : oslProcessError result = osl_Process_E_Unknown;
464 : OSL_PRECOND(ppLocale, "osl_getProcessLocale(): Invalid parameter.");
465 3143 : if (ppLocale)
466 : {
467 3143 : pthread_mutex_lock(&(g_process_locale.m_mutex));
468 :
469 3143 : if (g_process_locale.m_pLocale == 0)
470 2837 : _imp_getProcessLocale (&(g_process_locale.m_pLocale));
471 3143 : *ppLocale = g_process_locale.m_pLocale;
472 3143 : result = osl_Process_E_None;
473 :
474 3143 : pthread_mutex_unlock (&(g_process_locale.m_mutex));
475 : }
476 3143 : return (result);
477 : }
478 :
479 : /**********************************************
480 : osl_setProcessLocale().
481 : *********************************************/
482 0 : oslProcessError SAL_CALL osl_setProcessLocale( rtl_Locale * pLocale )
483 : {
484 0 : oslProcessError result = osl_Process_E_Unknown;
485 :
486 : OSL_PRECOND(pLocale, "osl_setProcessLocale(): Invalid parameter.");
487 :
488 0 : pthread_mutex_lock(&(g_process_locale.m_mutex));
489 0 : if (_imp_setProcessLocale (pLocale) == 0)
490 : {
491 0 : g_process_locale.m_pLocale = pLocale;
492 0 : result = osl_Process_E_None;
493 : }
494 0 : pthread_mutex_unlock (&(g_process_locale.m_mutex));
495 :
496 0 : return (result);
497 : }
498 :
499 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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