summaryrefslogtreecommitdiffstats
path: root/sal/osl/unx/process_impl.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'sal/osl/unx/process_impl.cxx')
-rw-r--r--sal/osl/unx/process_impl.cxx473
1 files changed, 473 insertions, 0 deletions
diff --git a/sal/osl/unx/process_impl.cxx b/sal/osl/unx/process_impl.cxx
new file mode 100644
index 000000000..5d7f7644f
--- /dev/null
+++ b/sal/osl/unx/process_impl.cxx
@@ -0,0 +1,473 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <config_features.h>
+
+#include <osl/process.h>
+
+#include <limits.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <osl/diagnose.h>
+#include <osl/file.hxx>
+#include <osl/module.h>
+#include <osl/thread.h>
+#include <rtl/alloc.h>
+#include <rtl/ustring.hxx>
+#include <rtl/strbuf.h>
+#include <sal/log.hxx>
+
+#include "file_path_helper.hxx"
+
+#include "uunxapi.hxx"
+#include "nlsupport.hxx"
+
+#ifdef ANDROID
+#include <osl/detail/android-bootstrap.h>
+#endif
+
+#if defined(MACOSX) || defined(IOS)
+#include <mach-o/dyld.h>
+
+namespace {
+
+oslProcessError bootstrap_getExecutableFile(rtl_uString ** ppFileURL)
+{
+ oslProcessError result = osl_Process_E_NotFound;
+
+ char buffer[PATH_MAX];
+ uint32_t buflen = sizeof(buffer);
+
+ if (_NSGetExecutablePath (buffer, &buflen) == 0)
+ {
+ /* Determine absolute path. */
+ char abspath[PATH_MAX];
+ if (realpath (buffer, abspath) != nullptr)
+ {
+ /* Convert from utf8 to unicode. */
+ rtl_uString * pAbsPath = nullptr;
+ rtl_string2UString (
+ &pAbsPath,
+ abspath, rtl_str_getLength (abspath),
+ RTL_TEXTENCODING_UTF8,
+ OSTRING_TO_OUSTRING_CVTFLAGS);
+
+ if (pAbsPath)
+ {
+ /* Convert from path to url. */
+ if (osl_getFileURLFromSystemPath (pAbsPath, ppFileURL) == osl_File_E_None)
+ {
+ /* Success. */
+ result = osl_Process_E_None;
+ }
+ rtl_uString_release (pAbsPath);
+ }
+ }
+ }
+
+ return result;
+}
+
+}
+
+#else
+#include <dlfcn.h>
+
+namespace {
+
+oslProcessError bootstrap_getExecutableFile(rtl_uString ** ppFileURL)
+{
+ oslProcessError result = osl_Process_E_NotFound;
+
+#ifdef ANDROID
+ /* Now with just a single DSO, this one from lo-bootstrap.c is as good as
+ * any */
+ void * addr = dlsym (RTLD_DEFAULT, "JNI_OnLoad");
+#else
+#if defined __linux
+ // The below code looking for "main" with dlsym() will typically
+ // fail, as there is little reason for "main" to be exported, in
+ // the dlsym() sense, from an executable. But Linux has
+ // /proc/self/exe, try using that.
+ char buf[PATH_MAX];
+ int rc = readlink("/proc/self/exe", buf, sizeof(buf));
+ if (rc > 0 && rc < PATH_MAX)
+ {
+ buf[rc] = '\0';
+ OUString path = OUString::fromUtf8(buf);
+ OUString fileURL;
+ if (osl::File::getFileURLFromSystemPath(path, fileURL) == osl::File::E_None)
+ {
+ rtl_uString_acquire(fileURL.pData);
+ *ppFileURL = fileURL.pData;
+ return osl_Process_E_None;
+ }
+ }
+#endif
+ /* Determine address of "main()" function. */
+ void * addr = dlsym (RTLD_DEFAULT, "main");
+#endif
+ if (addr != nullptr)
+ {
+ /* Determine module URL. */
+ if (osl_getModuleURLFromAddress (addr, ppFileURL))
+ {
+ /* Success. */
+ result = osl_Process_E_None;
+ }
+ }
+
+ return result;
+}
+
+}
+
+#endif
+
+namespace {
+
+struct CommandArgs_Impl
+{
+ pthread_mutex_t m_mutex;
+ sal_uInt32 m_nCount;
+ rtl_uString ** m_ppArgs;
+};
+
+}
+
+static struct CommandArgs_Impl g_command_args =
+{
+ PTHREAD_MUTEX_INITIALIZER,
+ 0,
+ nullptr
+};
+
+oslProcessError SAL_CALL osl_getExecutableFile (rtl_uString ** ppustrFile)
+{
+ pthread_mutex_lock (&(g_command_args.m_mutex));
+ if (g_command_args.m_nCount == 0)
+ {
+ pthread_mutex_unlock (&(g_command_args.m_mutex));
+ return bootstrap_getExecutableFile(ppustrFile);
+ }
+
+ /* CommandArgs set. Obtain argv[0]. */
+ rtl_uString_assign (ppustrFile, g_command_args.m_ppArgs[0]);
+ pthread_mutex_unlock (&(g_command_args.m_mutex));
+ return osl_Process_E_None;
+}
+
+sal_uInt32 SAL_CALL osl_getCommandArgCount()
+{
+ sal_uInt32 result = 0;
+
+ pthread_mutex_lock (&(g_command_args.m_mutex));
+ SAL_INFO_IF(
+ g_command_args.m_nCount == 0, "sal.osl",
+ "osl_getCommandArgCount w/o prior call to osl_setCommandArgs");
+ if (g_command_args.m_nCount > 0)
+ result = g_command_args.m_nCount - 1;
+ pthread_mutex_unlock (&(g_command_args.m_mutex));
+
+ return result;
+}
+
+oslProcessError SAL_CALL osl_getCommandArg (sal_uInt32 nArg, rtl_uString ** strCommandArg)
+{
+ oslProcessError result = osl_Process_E_NotFound;
+
+ pthread_mutex_lock (&(g_command_args.m_mutex));
+ assert(g_command_args.m_nCount > 0);
+ if (g_command_args.m_nCount > (nArg + 1))
+ {
+ rtl_uString_assign (strCommandArg, g_command_args.m_ppArgs[nArg + 1]);
+ result = osl_Process_E_None;
+ }
+ pthread_mutex_unlock (&(g_command_args.m_mutex));
+
+ return result;
+}
+
+void SAL_CALL osl_setCommandArgs (int argc, char ** argv)
+{
+ assert(argc > 0);
+ pthread_mutex_lock (&(g_command_args.m_mutex));
+ SAL_WARN_IF(g_command_args.m_nCount != 0, "sal.osl", "args already set");
+ if (g_command_args.m_nCount == 0)
+ {
+ rtl_uString** ppArgs = static_cast<rtl_uString**>(rtl_allocateZeroMemory (argc * sizeof(rtl_uString*)));
+ if (ppArgs != nullptr)
+ {
+ rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+ for (int i = 0; i < argc; i++)
+ {
+ rtl_string2UString (
+ &(ppArgs[i]),
+ argv[i], rtl_str_getLength (argv[i]), encoding,
+ OSTRING_TO_OUSTRING_CVTFLAGS);
+ }
+ if (ppArgs[0] != nullptr)
+ {
+#if HAVE_FEATURE_MACOSX_SANDBOX
+ // If we are called with a relative path in argv[0] in a sandboxed process
+ // osl::realpath() fails. So just use bootstrap_getExecutableFile() instead.
+ // Somewhat silly to use argv[0] and tediously figure out the absolute path from it
+ // anyway.
+ bootstrap_getExecutableFile(&ppArgs[0]);
+ OUString pArg0(ppArgs[0]);
+ osl_getFileURLFromSystemPath (pArg0.pData, &(ppArgs[0]));
+#else
+#if !defined(ANDROID) && !defined(IOS) // No use searching PATH on Android or iOS
+ /* see @ osl_getExecutableFile(). */
+ if (rtl_ustr_indexOfChar (rtl_uString_getStr(ppArgs[0]), '/') == -1)
+ {
+ const OUString PATH ("PATH");
+
+ rtl_uString * pSearchPath = nullptr;
+ osl_getEnvironment (PATH.pData, &pSearchPath);
+ if (pSearchPath)
+ {
+ rtl_uString * pSearchResult = nullptr;
+ osl_searchPath (ppArgs[0], pSearchPath, &pSearchResult);
+ if (pSearchResult)
+ {
+ rtl_uString_assign (&(ppArgs[0]), pSearchResult);
+ rtl_uString_release (pSearchResult);
+ }
+ rtl_uString_release (pSearchPath);
+ }
+ }
+#endif
+ OUString pArg0;
+ if (osl::realpath (OUString::unacquired(&ppArgs[0]), pArg0))
+ {
+ osl_getFileURLFromSystemPath (pArg0.pData, &(ppArgs[0]));
+ }
+#endif // !HAVE_FEATURE_MACOSX_SANDBOX
+ }
+ g_command_args.m_nCount = argc;
+ g_command_args.m_ppArgs = ppArgs;
+ }
+ }
+ pthread_mutex_unlock (&(g_command_args.m_mutex));
+}
+
+oslProcessError SAL_CALL osl_getEnvironment(rtl_uString* pustrEnvVar, rtl_uString** ppustrValue)
+{
+ oslProcessError result = osl_Process_E_NotFound;
+ rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+ rtl_String* pstr_env_var = nullptr;
+
+ OSL_PRECOND(pustrEnvVar, "osl_getEnvironment(): Invalid parameter");
+ OSL_PRECOND(ppustrValue, "osl_getEnvironment(): Invalid parameter");
+
+ rtl_uString2String(
+ &pstr_env_var,
+ rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
+ OUSTRING_TO_OSTRING_CVTFLAGS);
+ if (pstr_env_var != nullptr)
+ {
+ const char* p_env_var = getenv (rtl_string_getStr (pstr_env_var));
+ if (p_env_var != nullptr)
+ {
+ rtl_string2UString(
+ ppustrValue,
+ p_env_var, strlen(p_env_var), encoding,
+ OSTRING_TO_OUSTRING_CVTFLAGS);
+ OSL_ASSERT(*ppustrValue != nullptr);
+
+ result = osl_Process_E_None;
+ }
+ rtl_string_release(pstr_env_var);
+ }
+
+ return result;
+}
+
+oslProcessError SAL_CALL osl_setEnvironment(rtl_uString* pustrEnvVar, rtl_uString* pustrValue)
+{
+ oslProcessError result = osl_Process_E_Unknown;
+ rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+ rtl_String* pstr_env_var = nullptr;
+ rtl_String* pstr_val = nullptr;
+
+ OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
+ OSL_PRECOND(pustrValue, "osl_setEnvironment(): Invalid parameter");
+
+ rtl_uString2String(
+ &pstr_env_var,
+ rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
+ OUSTRING_TO_OSTRING_CVTFLAGS);
+
+ rtl_uString2String(
+ &pstr_val,
+ rtl_uString_getStr(pustrValue), rtl_uString_getLength(pustrValue), encoding,
+ OUSTRING_TO_OSTRING_CVTFLAGS);
+
+ if (pstr_env_var != nullptr && pstr_val != nullptr)
+ {
+#if defined (__sun)
+ rtl_String * pBuffer = NULL;
+
+ sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
+ rtl_string_getLength(pstr_env_var) + rtl_string_getLength(pstr_val) + 1,
+ pstr_env_var );
+ rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
+ rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length,
+ rtl_string_getStr(pstr_val), rtl_string_getLength(pstr_val) );
+
+ rtl_string_acquire(pBuffer); // argument to putenv must leak on success
+
+ if (putenv(rtl_string_getStr(pBuffer)) == 0)
+ result = osl_Process_E_None;
+ else
+ rtl_string_release(pBuffer);
+#else
+ if (setenv(rtl_string_getStr(pstr_env_var), rtl_string_getStr(pstr_val), 1) == 0)
+ result = osl_Process_E_None;
+#endif
+ }
+
+ if (pstr_val)
+ rtl_string_release(pstr_val);
+
+ if (pstr_env_var != nullptr)
+ rtl_string_release(pstr_env_var);
+
+ return result;
+}
+
+oslProcessError SAL_CALL osl_clearEnvironment(rtl_uString* pustrEnvVar)
+{
+ oslProcessError result = osl_Process_E_Unknown;
+ rtl_TextEncoding encoding = osl_getThreadTextEncoding();
+ rtl_String* pstr_env_var = nullptr;
+
+ OSL_PRECOND(pustrEnvVar, "osl_setEnvironment(): Invalid parameter");
+
+ rtl_uString2String(
+ &pstr_env_var,
+ rtl_uString_getStr(pustrEnvVar), rtl_uString_getLength(pustrEnvVar), encoding,
+ OUSTRING_TO_OSTRING_CVTFLAGS);
+
+ if (pstr_env_var)
+ {
+#if defined (__sun)
+ rtl_String * pBuffer = NULL;
+
+ sal_Int32 nCapacity = rtl_stringbuffer_newFromStringBuffer( &pBuffer,
+ rtl_string_getLength(pstr_env_var) + 1, pstr_env_var );
+ rtl_stringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, "=", 1);
+
+ rtl_string_acquire(pBuffer); // argument to putenv must leak on success
+
+ if (putenv(rtl_string_getStr(pBuffer)) == 0)
+ result = osl_Process_E_None;
+ else
+ rtl_string_release(pBuffer);
+#elif (defined(MACOSX) || defined(NETBSD) || defined(FREEBSD))
+ // MacOSX baseline is 10.4, which has an old-school void return
+ // for unsetenv.
+ // See: http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/10.4/man3/unsetenv.3.html?useVersion=10.4
+ unsetenv(rtl_string_getStr(pstr_env_var));
+ result = osl_Process_E_None;
+#else
+ if (unsetenv(rtl_string_getStr(pstr_env_var)) == 0)
+ result = osl_Process_E_None;
+#endif
+ rtl_string_release(pstr_env_var);
+ }
+
+ return result;
+}
+
+oslProcessError SAL_CALL osl_getProcessWorkingDir(rtl_uString **ppustrWorkingDir)
+{
+ oslProcessError result = osl_Process_E_Unknown;
+ char buffer[PATH_MAX];
+
+ OSL_PRECOND(ppustrWorkingDir, "osl_getProcessWorkingDir(): Invalid parameter");
+
+ if (getcwd (buffer, sizeof(buffer)) != nullptr)
+ {
+ rtl_uString* ustrTmp = nullptr;
+
+ rtl_string2UString(
+ &ustrTmp,
+ buffer, strlen(buffer), osl_getThreadTextEncoding(),
+ OSTRING_TO_OUSTRING_CVTFLAGS);
+ if (ustrTmp != nullptr)
+ {
+ if (osl_getFileURLFromSystemPath (ustrTmp, ppustrWorkingDir) == osl_File_E_None)
+ result = osl_Process_E_None;
+ rtl_uString_release (ustrTmp);
+ }
+ }
+
+ return result;
+}
+
+namespace {
+
+struct ProcessLocale_Impl
+{
+ pthread_mutex_t m_mutex;
+ rtl_Locale * m_pLocale;
+};
+
+}
+
+static struct ProcessLocale_Impl g_process_locale =
+{
+ PTHREAD_MUTEX_INITIALIZER,
+ nullptr
+};
+
+oslProcessError SAL_CALL osl_getProcessLocale( rtl_Locale ** ppLocale )
+{
+ oslProcessError result = osl_Process_E_Unknown;
+ OSL_PRECOND(ppLocale, "osl_getProcessLocale(): Invalid parameter.");
+ if (ppLocale)
+ {
+ pthread_mutex_lock(&(g_process_locale.m_mutex));
+
+ if (g_process_locale.m_pLocale == nullptr)
+ imp_getProcessLocale (&(g_process_locale.m_pLocale));
+ *ppLocale = g_process_locale.m_pLocale;
+ result = osl_Process_E_None;
+
+ pthread_mutex_unlock (&(g_process_locale.m_mutex));
+ }
+ return result;
+}
+
+oslProcessError SAL_CALL osl_setProcessLocale( rtl_Locale * pLocale )
+{
+ OSL_PRECOND(pLocale, "osl_setProcessLocale(): Invalid parameter.");
+
+ pthread_mutex_lock(&(g_process_locale.m_mutex));
+ g_process_locale.m_pLocale = pLocale;
+ pthread_mutex_unlock (&(g_process_locale.m_mutex));
+
+ return osl_Process_E_None;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */