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+/* -*- 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 .
+ */
+
+#ifdef IOS
+#define CPPUNIT_PLUGIN_EXPORTED_NAME cppunitTest_osl_process
+#endif
+
+#include <sal/types.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <osl/process.h>
+#include <osl/file.hxx>
+#include <osl/thread.h>
+#include <rtl/ustring.hxx>
+#include <signal.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <osl/module.hxx>
+#include <sal/macros.h>
+
+#if defined HAVE_VALGRIND_HEADERS
+#include <valgrind/valgrind.h>
+#elif !defined _WIN32
+#define RUNNING_ON_VALGRIND false
+#endif
+
+#if !defined(_WIN32) // Windows
+#include <unistd.h>
+#endif
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <algorithm>
+#include <iterator>
+#include <string>
+
+#ifdef UNX
+#if defined( MACOSX )
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+# else
+ extern char** environ;
+# endif
+#endif
+
+using namespace osl;
+
+/** get binary Path.
+*/
+static OUString getExecutablePath()
+{
+ OUString dirPath;
+ osl::Module::getUrlFromAddress(
+ reinterpret_cast<oslGenericFunction>(&getExecutablePath), dirPath);
+ dirPath = dirPath.copy( 0, dirPath.lastIndexOf('/') );
+ dirPath = dirPath.copy( 0, dirPath.lastIndexOf('/') + 1) +
+ "Executable";
+ return dirPath;
+}
+
+#if !defined _WIN32
+
+namespace {
+
+class exclude
+{
+public:
+
+ explicit exclude(const std::vector<OString>& exclude_list)
+ {
+ for (auto& exclude_list_item : exclude_list)
+ exclude_list_.push_back(env_var_name(exclude_list_item));
+ }
+
+ bool operator() (const OString& env_var) const
+ {
+ return (exclude_list_.end() !=
+ std::find(
+ exclude_list_.begin(),
+ exclude_list_.end(),
+ env_var_name(env_var)));
+ }
+
+private:
+
+ // extract the name from an environment variable
+ // that is given in the form "NAME=VALUE"
+ static OString env_var_name(const OString& env_var)
+ {
+ sal_Int32 pos_equal_sign =
+ env_var.indexOf('=');
+
+ if (pos_equal_sign != -1)
+ return env_var.copy(0, pos_equal_sign);
+
+ return OString();
+ }
+
+private:
+ std::vector<OString> exclude_list_;
+};
+
+ void tidy_container(std::vector<OString> &env_container)
+ {
+ //sort them because there are no guarantees to ordering
+ std::sort(env_container.begin(), env_container.end());
+ if (RUNNING_ON_VALGRIND)
+ {
+ env_container.erase(
+ std::remove_if(
+ env_container.begin(), env_container.end(),
+ [](OString const & s) {
+ return s.startsWith("LD_PRELOAD=")
+ || s.startsWith("VALGRIND_LIB="); }),
+ env_container.end());
+ }
+ }
+}
+
+ static void read_parent_environment(std::vector<OString>* env_container)
+ {
+ for (int i = 0; environ[i] != nullptr; i++)
+ env_container->push_back(OString(environ[i]));
+ tidy_container(*env_container);
+ }
+
+#endif
+
+class Test_osl_executeProcess : public CppUnit::TestFixture
+{
+ const OUString env_param_;
+
+ OUString temp_file_url_;
+ OUString temp_file_path_;
+ rtl_uString* parameters_[2];
+ static const int parameters_count_ = 2;
+ OUString suCWD;
+ OUString suExecutableFileURL;
+
+public:
+
+ // ctor
+ Test_osl_executeProcess() :
+ env_param_(OUString("-env")), suCWD(getExecutablePath())
+ {
+ parameters_[0] = env_param_.pData;
+
+#if defined(_WIN32)
+ suExecutableFileURL = suCWD + "/" "osl_process_child.exe";
+#else
+ suExecutableFileURL = suCWD + "/" "osl_process_child";
+#endif
+ }
+
+ virtual void setUp() override
+ {
+ temp_file_path_ = create_temp_file(temp_file_url_);
+ parameters_[1] = temp_file_path_.pData;
+ }
+
+ virtual void tearDown() override
+ {
+ osl::File::remove(temp_file_url_);
+ }
+
+ OUString create_temp_file(OUString &temp_file_url)
+ {
+ FileBase::RC rc = FileBase::createTempFile(nullptr, nullptr, &temp_file_url);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("createTempFile failed", FileBase::E_None, rc);
+
+ OUString temp_file_path;
+ rc = FileBase::getSystemPathFromFileURL(temp_file_url, temp_file_path);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("getSystemPathFromFileURL failed", FileBase::E_None, rc);
+
+ return temp_file_path;
+ }
+
+#if !defined _WIN32
+
+ void read_child_environment(std::vector<OString>* env_container)
+ {
+ OString temp_file_name = OUStringToOString(OUString(
+ parameters_[1]), osl_getThreadTextEncoding());
+ std::ifstream file(temp_file_name.getStr());
+
+ CPPUNIT_ASSERT_MESSAGE
+ (
+ "I/O error, cannot open child environment file",
+ file.is_open()
+ );
+
+ std::string line;
+ line.reserve(1024);
+ while (std::getline(file, line, '\0'))
+ env_container->push_back(OString(line.c_str()));
+ tidy_container(*env_container);
+ }
+
+ // environment of the child process that was
+ // started. The child process writes his
+ // environment into a file
+ void compare_environments()
+ {
+ std::vector<OString> parent_env;
+ read_parent_environment(&parent_env);
+
+ std::vector<OString> child_env;
+ read_child_environment(&child_env);
+
+ OString msg(
+ OString::number(parent_env.size()) + "/"
+ + OString::number(child_env.size()));
+ auto min = std::min(parent_env.size(), child_env.size());
+ for (decltype(min) i = 0; i != min; ++i) {
+ CPPUNIT_ASSERT_EQUAL_MESSAGE(
+ msg.getStr(), parent_env[i], child_env[i]);
+ }
+ if (parent_env.size() != child_env.size()) {
+ CPPUNIT_ASSERT_EQUAL_MESSAGE(
+ (parent_env.size() >= child_env.size()
+ ? parent_env.back() : child_env.back()).getStr(),
+ parent_env.size(), child_env.size());
+ }
+ }
+
+ // compare the equal environment parts and the
+ // different part of the child environment
+ bool compare_merged_environments(const std::vector<OString>& different_env_vars)
+ {
+ std::vector<OString> parent_env;
+ read_parent_environment(&parent_env);
+
+ for (auto& env : parent_env)
+ std::cout << "initially parent env: " << env << "\n";
+
+ //remove the environment variables that we have changed
+ //in the child environment from the read parent environment
+ parent_env.erase(
+ std::remove_if(parent_env.begin(), parent_env.end(), exclude(different_env_vars)),
+ parent_env.end());
+
+ for (auto& env : parent_env)
+ std::cout << "stripped parent env: " << env << "\n";
+
+ //read the child environment and exclude the variables that
+ //are different
+ std::vector<OString> child_env;
+ read_child_environment(&child_env);
+
+ for (auto& env : child_env)
+ std::cout << "initial child env: " << env << "\n";
+ //partition the child environment into the variables that
+ //are different to the parent environment (they come first)
+ //and the variables that should be equal between parent
+ //and child environment
+ auto iter_logical_end =
+ std::stable_partition(child_env.begin(), child_env.end(), exclude(different_env_vars));
+
+ std::vector<OString> different_child_env_vars(child_env.begin(), iter_logical_end);
+ child_env.erase(child_env.begin(), iter_logical_end);
+
+ for (auto& env : child_env)
+ std::cout << "stripped child env: " << env << "\n";
+
+ bool common_env_size_equals = (parent_env.size() == child_env.size());
+ bool common_env_content_equals = std::equal(child_env.begin(), child_env.end(), parent_env.begin());
+
+ for (auto& env_var : different_env_vars)
+ std::cout << "different should be: " << env_var << "\n";
+
+ for (auto& env_var : different_child_env_vars)
+ std::cout << "different are: " << env_var << "\n";
+
+ bool different_env_size_equals = (different_child_env_vars.size() == different_env_vars.size());
+ bool different_env_content_equals =
+ std::equal(different_env_vars.begin(), different_env_vars.end(), different_child_env_vars.begin());
+
+ return (common_env_size_equals && common_env_content_equals &&
+ different_env_size_equals && different_env_content_equals);
+ }
+
+ // test that parent and child process have the
+ // same environment when osl_executeProcess will
+ // be called without setting new environment
+ // variables
+ void osl_execProc_parent_equals_child_environment()
+ {
+ oslProcess process;
+ oslProcessError osl_error = osl_executeProcess(
+ suExecutableFileURL.pData,
+ parameters_,
+ parameters_count_,
+ osl_Process_NORMAL,
+ nullptr,
+ suCWD.pData,
+ nullptr,
+ 0,
+ &process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_createProcess failed",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_error = ::osl_joinProcess(process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_joinProcess returned with failure",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_freeProcessHandle(process);
+
+ compare_environments();
+ }
+
+ #define ENV1 "PAT=a:\\"
+ #define ENV2 "PATHb=b:\\"
+ #define ENV3 "Patha=c:\\"
+ #define ENV4 "Patha=d:\\"
+
+ void osl_execProc_merged_child_environment()
+ {
+ rtl_uString* child_env[4];
+ OUString env1(ENV1);
+ OUString env2(ENV2);
+ OUString env3(ENV3);
+ OUString env4(ENV4);
+
+ child_env[0] = env1.pData;
+ child_env[1] = env2.pData;
+ child_env[2] = env3.pData;
+ child_env[3] = env4.pData;
+
+ oslProcess process;
+ oslProcessError osl_error = osl_executeProcess(
+ suExecutableFileURL.pData,
+ parameters_,
+ parameters_count_,
+ osl_Process_NORMAL,
+ nullptr,
+ suCWD.pData,
+ child_env,
+ SAL_N_ELEMENTS(child_env),
+ &process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_createProcess failed",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_error = ::osl_joinProcess(process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_joinProcess returned with failure",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_freeProcessHandle(process);
+
+ std::vector<OString> different_child_env_vars;
+ different_child_env_vars.push_back(ENV1);
+ different_child_env_vars.push_back(ENV2);
+ different_child_env_vars.push_back(ENV4);
+
+ CPPUNIT_ASSERT_MESSAGE
+ (
+ "osl_execProc_merged_child_environment",
+ compare_merged_environments(different_child_env_vars)
+ );
+ }
+
+#endif
+
+ void osl_execProc_test_batch()
+ {
+ oslProcess process;
+#if defined(_WIN32)
+ OUString suBatch = suCWD + "/batch.bat";
+#else
+ OUString suBatch = suCWD + "/batch.sh";
+#endif
+ oslProcessError osl_error = osl_executeProcess(
+ suBatch.pData,
+ nullptr,
+ 0,
+ osl_Process_NORMAL,
+ nullptr,
+ suCWD.pData,
+ nullptr,
+ 0,
+ &process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_createProcess failed",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_error = ::osl_joinProcess(process);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE
+ (
+ "osl_joinProcess returned with failure",
+ osl_Process_E_None, osl_error
+ );
+
+ osl_freeProcessHandle(process);
+ }
+
+ CPPUNIT_TEST_SUITE(Test_osl_executeProcess);
+ //TODO: Repair these (at least under Windows)
+#if !defined(_WIN32)
+ CPPUNIT_TEST(osl_execProc_parent_equals_child_environment);
+ CPPUNIT_TEST(osl_execProc_merged_child_environment);
+#endif
+ CPPUNIT_TEST(osl_execProc_test_batch);
+ ///TODO: Repair test (or tested function ;-) - test fails.
+ CPPUNIT_TEST_SUITE_END();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(Test_osl_executeProcess);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */