ff1657934a
Change-Id: Id22de0bc06680f957e7475f142bcaf1131fdbdb9 Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
789 lines
24 KiB
C++
789 lines
24 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* A very simple, single threaded helper to efficiently pre-init and
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* spawn lots of kits as children.
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*/
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#include <config.h>
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#include <config_version.h>
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#ifndef __FreeBSD__
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#include <sys/capability.h>
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#endif
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sysexits.h>
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#include <atomic>
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include <map>
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#include <thread>
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#include <chrono>
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#include <Poco/Path.h>
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#include <Common.hpp>
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#include "Kit.hpp"
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#include "SetupKitEnvironment.hpp"
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#include <Log.hpp>
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#include <Unit.hpp>
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#include <Util.hpp>
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#include <WebSocketHandler.hpp>
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#if !MOBILEAPP
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#include <Admin.hpp>
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#endif
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#include <common/FileUtil.hpp>
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#include <common/JailUtil.hpp>
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#include <common/Seccomp.hpp>
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#include <common/SigUtil.hpp>
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#include <common/security.h>
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#include <common/ConfigUtil.hpp>
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#ifndef KIT_IN_PROCESS
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static bool NoCapsForKit = false;
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static bool NoSeccomp = false;
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#if ENABLE_DEBUG
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static bool SingleKit = false;
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#endif
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#else
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static const bool NoCapsForKit = true; // NoCaps for in-process kit.
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static const bool NoSeccomp = true; // NoSeccomp for in-process kit.
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#endif
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static std::string UserInterface;
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static bool DisplayVersion = false;
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static std::string UnitTestLibrary;
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static std::string LogLevel;
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static std::string LogLevelStartup;
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static std::atomic<unsigned> ForkCounter(0);
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/// The [child pid -> jail path] map.
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static std::map<pid_t, std::string> childJails;
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/// The jails that need cleaning up. This should be small.
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static std::vector<std::string> cleanupJailPaths;
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#ifndef KIT_IN_PROCESS
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int ClientPortNumber = DEFAULT_CLIENT_PORT_NUMBER;
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std::string MasterLocation;
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#endif
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extern "C" { void dump_forkit_state(void); /* easy for gdb */ }
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void dump_forkit_state()
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{
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std::ostringstream oss;
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oss << "Forkit: " << ForkCounter << " forks\n"
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<< " LogLevel: " << LogLevel << "\n"
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<< " LogLevelStartup: " << LogLevelStartup << "\n"
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<< " unit test: " << UnitTestLibrary << "\n"
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#ifndef KIT_IN_PROCESS
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<< " NoCapsForKit: " << NoCapsForKit << "\n"
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<< " NoSeccomp: " << NoSeccomp << "\n"
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# if ENABLE_DEBUG
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<< " SingleKit: " << SingleKit << "\n"
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# endif
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#endif
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<< " ClientPortNumber: " << ClientPortNumber << "\n"
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<< " MasterLocation: " << MasterLocation
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<< "\n";
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const std::string msg = oss.str();
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fprintf(stderr, "%s", msg.c_str());
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LOG_TRC(msg);
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}
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class ServerWSHandler;
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// We have a single thread and a single connection so we won't bother with
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// access synchronization
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std::shared_ptr<ServerWSHandler> WSHandler;
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class ServerWSHandler final : public WebSocketHandler
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{
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std::string _socketName;
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public:
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ServerWSHandler(const std::string& socketName) :
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WebSocketHandler(/* isClient = */ true, /* isMasking */ false),
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_socketName(socketName)
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{
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}
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protected:
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void handleMessage(const std::vector<char>& data) override
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{
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std::string message(data.data(), data.size());
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#if !MOBILEAPP
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if (UnitKit::get().filterKitMessage(this, message))
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return;
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#endif
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StringVector tokens = StringVector::tokenize(message);
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LOG_DBG(_socketName << ": recv [" <<
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[&](auto& log)
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{
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for (const auto& token : tokens)
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{
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log << tokens.getParam(token) << ' ';
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}
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});
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// Note: Syntax or parsing errors here are unexpected and fatal.
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if (SigUtil::getTerminationFlag())
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{
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LOG_DBG("Termination flag set: skip message processing");
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}
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else if (tokens.size() == 2 && tokens.equals(0, "spawn"))
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{
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const int count = std::stoi(tokens[1]);
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if (count > 0)
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{
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LOG_INF("Setting to spawn " << tokens[1] << " child" << (count == 1 ? "" : "ren") << " per request.");
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ForkCounter = count;
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}
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else
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{
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LOG_WRN("Cannot spawn " << tokens[1] << " children as requested.");
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}
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}
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else if (tokens.size() == 2 && tokens.equals(0, "setloglevel"))
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{
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// Set environment variable so that new children will also set their log levels accordingly.
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setenv("COOL_LOGLEVEL", tokens[1].c_str(), 1);
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Log::logger().setLevel(tokens[1]);
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}
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else if (tokens.size() == 3 && tokens.equals(0, "setconfig"))
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{
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// Currently only rlimit entries are supported.
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if (!Rlimit::handleSetrlimitCommand(tokens))
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{
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LOG_ERR("Unknown setconfig command: " << message);
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}
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}
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else if (tokens.size() == 2 && tokens.equals(0, "addfont"))
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{
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// Tell core to use that font file
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std::string fontFile = tokens[1];
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assert(loKitPtr);
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loKitPtr->pClass->setOption(loKitPtr, "addfont", Poco::URI(Poco::Path(fontFile)).toString().c_str());
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}
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else if (tokens.equals(0, "exit"))
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{
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LOG_INF("Setting TerminationFlag due to 'exit' command from parent.");
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SigUtil::setTerminationFlag();
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}
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else
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{
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LOG_ERR("Bad or unknown token [" << tokens[0] << ']');
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}
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}
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void onDisconnect() override
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{
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#if !MOBILEAPP
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LOG_ERR("ForKit connection lost without exit arriving from wsd. Setting TerminationFlag");
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SigUtil::setTerminationFlag();
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#endif
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}
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};
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#ifndef KIT_IN_PROCESS
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#ifndef __FreeBSD__
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static bool haveCapability(cap_value_t capability)
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{
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cap_t caps = cap_get_proc();
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if (caps == nullptr)
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{
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LOG_SFL("cap_get_proc() failed");
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return false;
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}
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char *cap_name = cap_to_name(capability);
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cap_flag_value_t value;
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if (cap_get_flag(caps, capability, CAP_EFFECTIVE, &value) == -1)
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{
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if (cap_name)
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{
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LOG_SFL("cap_get_flag failed for " << cap_name);
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cap_free(cap_name);
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}
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else
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{
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LOG_SFL("cap_get_flag failed for capability " << capability);
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}
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return false;
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}
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if (value != CAP_SET)
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{
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if (cap_name)
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{
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LOG_ERR("Capability " << cap_name << " is not set for the coolforkit program.");
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cap_free(cap_name);
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}
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else
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{
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LOG_ERR("Capability " << capability << " is not set for the coolforkit program.");
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}
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return false;
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}
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if (cap_name)
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{
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LOG_INF("Have capability " << cap_name);
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cap_free(cap_name);
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}
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else
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{
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LOG_INF("Have capability " << capability);
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}
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return true;
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}
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static bool haveCorrectCapabilities()
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{
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bool result = true;
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// Do check them all, don't shortcut with &&
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if (!haveCapability(CAP_SYS_CHROOT))
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result = false;
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if (!haveCapability(CAP_MKNOD))
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result = false;
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if (!haveCapability(CAP_FOWNER))
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result = false;
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if (!haveCapability(CAP_CHOWN))
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result = false;
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return result;
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}
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#else
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static bool haveCorrectCapabilities()
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{
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// chroot() can only be called by root
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return getuid() == 0;
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}
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#endif // __FreeBSD__
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#endif
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/// Check if some previously forked kids have died.
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static void cleanupChildren()
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{
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pid_t exitedChildPid;
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int status = 0;
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int segFaultCount = 0;
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LOG_TRC("cleanupChildren with " << childJails.size()
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<< (childJails.size() == 1 ? " child" : " children"));
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// Reap quickly without doing slow cleanup so WSD can spawn more rapidly.
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while ((exitedChildPid = waitpid(-1, &status, WUNTRACED | WNOHANG)) > 0)
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{
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const auto it = childJails.find(exitedChildPid);
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if (it != childJails.end())
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{
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LOG_INF("Child " << exitedChildPid << " has exited, will remove its jail [" << it->second << "].");
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cleanupJailPaths.emplace_back(it->second);
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childJails.erase(it);
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if (childJails.empty() && !SigUtil::getTerminationFlag())
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{
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// We ran out of kits and we aren't terminating.
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LOG_WRN("No live Kits exist, and we are not terminating yet.");
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}
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if (WIFSIGNALED(status) && (WTERMSIG(status) == SIGSEGV || WTERMSIG(status) == SIGBUS))
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{
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++segFaultCount;
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}
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}
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else
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{
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LOG_ERR("Unknown child " << exitedChildPid << " has exited");
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}
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}
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if (Log::traceEnabled())
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{
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std::ostringstream oss;
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for (const auto& pair : childJails)
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oss << pair.first << ' ';
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LOG_TRC("cleanupChildren reaped " << cleanupJailPaths.size() << " children to have "
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<< childJails.size() << " left: " << oss.str());
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}
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if (segFaultCount)
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{
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#ifdef KIT_IN_PROCESS
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#if !MOBILEAPP
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Admin::instance().addSegFaultCount(segFaultCount);
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#endif
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#else
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if (WSHandler)
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{
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std::stringstream stream;
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stream << "segfaultcount " << segFaultCount << '\n';
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int ret = WSHandler->sendMessage(stream.str());
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if (ret == -1)
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{
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LOG_WRN("Could not send 'segfaultcount' message through websocket");
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}
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else
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{
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LOG_WRN("Successfully sent 'segfaultcount' message " << stream.str());
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}
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}
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#endif
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}
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// Now delete the jails.
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auto i = cleanupJailPaths.size();
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while (i-- > 0)
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{
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const std::string path = cleanupJailPaths[i];
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JailUtil::tryRemoveJail(path);
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const FileUtil::Stat st(path);
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if (st.good() && st.isDirectory())
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LOG_DBG("Could not remove jail path [" << path << "]. Will retry later.");
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else
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cleanupJailPaths.erase(cleanupJailPaths.begin() + i);
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}
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}
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static int createLibreOfficeKit(const std::string& childRoot,
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const std::string& sysTemplate,
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const std::string& loTemplate,
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bool queryVersion = false)
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{
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// Generate a jail ID to be used for in the jail path.
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const std::string jailId = Util::rng::getFilename(16);
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// Update the dynamic files as necessary.
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JailUtil::SysTemplate::updateDynamicFiles(sysTemplate);
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// Used to label the spare kit instances
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static size_t spareKitId = 0;
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++spareKitId;
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LOG_DBG("Forking a coolkit process with jailId: " << jailId << " as spare coolkit #"
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<< spareKitId << '.');
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const auto startForkingTime = std::chrono::steady_clock::now();
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const pid_t pid = fork();
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if (!pid)
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{
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// Child
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// Close the pipe from coolwsd
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close(0);
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#ifndef KIT_IN_PROCESS
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UnitKit::get().postFork();
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#endif
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if (std::getenv("SLEEPKITFORDEBUGGER"))
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{
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const size_t delaySecs = std::stoul(std::getenv("SLEEPKITFORDEBUGGER"));
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if (delaySecs > 0)
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{
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std::cerr << "Kit: Sleeping " << delaySecs
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<< " seconds to give you time to attach debugger to process "
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<< getpid() << std::endl;
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std::this_thread::sleep_for(std::chrono::seconds(delaySecs));
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}
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}
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lokit_main(childRoot, jailId, sysTemplate, loTemplate, NoCapsForKit, NoSeccomp,
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queryVersion, DisplayVersion, spareKitId);
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}
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else
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{
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// Parent
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if (pid < 0)
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{
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LOG_SYS("Fork failed");
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}
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else
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{
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LOG_INF("Forked kit [" << pid << ']');
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childJails[pid] = childRoot + jailId;
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}
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#ifndef KIT_IN_PROCESS
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UnitKit::get().launchedKit(pid);
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#endif
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}
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const auto duration = (std::chrono::steady_clock::now() - startForkingTime);
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const auto durationMs = std::chrono::duration_cast<std::chrono::milliseconds>(duration);
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LOG_TRC("Forking child took " << durationMs);
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return pid;
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}
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void forkLibreOfficeKit(const std::string& childRoot,
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const std::string& sysTemplate,
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const std::string& loTemplate,
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int limit)
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{
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LOG_TRC("forkLibreOfficeKit limit: " << limit);
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// Cleanup first, to reduce disk load.
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cleanupChildren();
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#ifndef KIT_IN_PROCESS
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(void) limit;
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#else
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if (limit > 0)
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ForkCounter = limit;
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#endif
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if (ForkCounter > 0)
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{
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// Create as many as requested.
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const size_t count = ForkCounter;
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LOG_INF("Spawning " << count << " new child" << (count == 1 ? "." : "ren."));
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const size_t retry = count * 2;
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for (size_t i = 0; ForkCounter > 0 && i < retry; ++i)
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{
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if (ForkCounter-- <= 0 || createLibreOfficeKit(childRoot, sysTemplate, loTemplate) < 0)
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{
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LOG_ERR("Failed to create a kit process.");
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++ForkCounter;
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}
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}
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}
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}
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#ifndef KIT_IN_PROCESS
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static void printArgumentHelp()
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{
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std::cout << "Usage: coolforkit [OPTION]..." << std::endl;
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std::cout << " Single-threaded process that spawns lok instances" << std::endl;
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std::cout << " Note: Running this standalone is not possible. It is spawned by coolwsd" << std::endl;
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std::cout << " and is controlled via a pipe." << std::endl;
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std::cout << "" << std::endl;
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}
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int main(int argc, char** argv)
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{
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/*WARNING: PRIVILEGED CODE CHECKING START */
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/*WARNING*/ // early check for avoiding the security check for username 'cool'
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/*WARNING*/ // (deliberately only this, not moving the entire parameter parsing here)
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/*WARNING*/ bool checkCoolUser = true;
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/*WARNING*/ std::string disableCoolUserChecking("--disable-cool-user-checking");
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/*WARNING*/ for (int i = 1; checkCoolUser && (i < argc); ++i)
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/*WARNING*/ {
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/*WARNING*/ if (disableCoolUserChecking == argv[i])
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/*WARNING*/ checkCoolUser = false;
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/*WARNING*/ }
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/*WARNING*/ if (!hasCorrectUID("coolforkit"))
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/*WARNING*/ {
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/*WARNING*/ // don't allow if any capability is set (unless root; who runs this
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/*WARNING*/ // as root or runs this in a container and provides --disable-cool-user-checking knows what they
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/*WARNING*/ // are doing)
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/*WARNING*/ if (hasUID("root"))
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/*WARNING*/ {
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/*WARNING*/ // This is fine, the 'root' can do anything anyway
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/*WARNING*/ }
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/*WARNING*/ else if (isInContainer())
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/*WARNING*/ {
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/*WARNING*/ // This is fine, we are confined in the container anyway
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/*WARNING*/ }
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/*WARNING*/ else if (hasAnyCapability())
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/*WARNING*/ {
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/*WARNING*/ if (!checkCoolUser)
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/*WARNING*/ LOG_FTL("Security: --disable-cool-user-checking failed, coolforkit has some capabilities set.");
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/*WARNING*/ LOG_FTL("Aborting.");
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/*WARNING*/ return EX_SOFTWARE;
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/*WARNING*/ }
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/*WARNING*/ // even without the capabilities, don't run unless the user really knows
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/*WARNING*/ // what they are doing, and provided a --disable-cool-user-checking
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/*WARNING*/ if (checkCoolUser)
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/*WARNING*/ {
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/*WARNING*/ LOG_FTL("Aborting.");
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/*WARNING*/ return EX_SOFTWARE;
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/*WARNING*/ }
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/*WARNING*/ LOG_ERR("Security: Check for the 'cool' username overridden on the command line.");
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/*WARNING*/ }
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/*WARNING: PRIVILEGED CODE CHECKING END */
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// Continue in privileged mode, but only if:
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// * the user is 'cool' (privileged user)
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// * the user is 'root', and --disable-cool-user-checking was provided
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// Alternatively allow running in non-privileged mode (with --nocaps), if:
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|
// * the user is a non-priviled user, the binary is not privileged
|
|
// either (no caps set), and --disable-cool-user-checking was provided
|
|
|
|
if (std::getenv("SLEEPFORDEBUGGER"))
|
|
{
|
|
const size_t delaySecs = std::stoul(std::getenv("SLEEPFORDEBUGGER"));
|
|
if (delaySecs > 0)
|
|
{
|
|
std::cerr << "Forkit: Sleeping " << delaySecs
|
|
<< " seconds to give you time to attach debugger to process "
|
|
<< getpid() << std::endl;
|
|
std::this_thread::sleep_for(std::chrono::seconds(delaySecs));
|
|
}
|
|
}
|
|
|
|
SigUtil::setFatalSignals("forkit startup of " COOLWSD_VERSION " " COOLWSD_VERSION_HASH);
|
|
|
|
Util::setApplicationPath(Poco::Path(argv[0]).parent().toString());
|
|
|
|
// Initialization
|
|
const bool logToFile = std::getenv("COOL_LOGFILE");
|
|
const char* logFilename = std::getenv("COOL_LOGFILENAME");
|
|
const char* logLevel = std::getenv("COOL_LOGLEVEL");
|
|
const char* logLevelStartup = std::getenv("COOL_LOGLEVEL_STARTUP");
|
|
const char* logColor = std::getenv("COOL_LOGCOLOR");
|
|
std::map<std::string, std::string> logProperties;
|
|
if (logToFile && logFilename)
|
|
{
|
|
logProperties["path"] = std::string(logFilename);
|
|
}
|
|
|
|
LogLevelStartup = logLevelStartup ? logLevelStartup : "trace";
|
|
Log::initialize("frk", LogLevelStartup, logColor != nullptr, logToFile, logProperties);
|
|
|
|
LogLevel = logLevel ? logLevel : "trace";
|
|
if (LogLevel != LogLevelStartup)
|
|
{
|
|
LOG_INF("Setting log-level to [" << LogLevelStartup << " and delaying "
|
|
"setting to configured [" << LogLevel << "] until after Forkit initialization.");
|
|
}
|
|
|
|
std::string childRoot;
|
|
std::string sysTemplate;
|
|
std::string loTemplate;
|
|
|
|
for (int i = 0; i < argc; ++i)
|
|
{
|
|
char *cmd = argv[i];
|
|
char *eq;
|
|
if (std::strstr(cmd, "--systemplate=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
sysTemplate = std::string(eq+1);
|
|
}
|
|
else if (std::strstr(cmd, "--lotemplate=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
loTemplate = std::string(eq+1);
|
|
}
|
|
else if (std::strstr(cmd, "--childroot=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
childRoot = std::string(eq+1);
|
|
}
|
|
else if (std::strstr(cmd, "--clientport=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
ClientPortNumber = std::stoll(std::string(eq+1));
|
|
}
|
|
else if (std::strstr(cmd, "--masterport=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
MasterLocation = std::string(eq+1);
|
|
}
|
|
else if (std::strstr(cmd, "--version") == cmd)
|
|
{
|
|
std::string version, hash;
|
|
Util::getVersionInfo(version, hash);
|
|
std::cout << "coolforkit version details: " << version << " - " << hash << std::endl;
|
|
DisplayVersion = true;
|
|
}
|
|
else if (std::strstr(cmd, "--rlimits") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
const std::string rlimits = std::string(eq+1);
|
|
StringVector tokens = StringVector::tokenize(rlimits, ';');
|
|
for (const auto& cmdLimit : tokens)
|
|
{
|
|
const std::pair<std::string, std::string> pair = Util::split(tokens.getParam(cmdLimit), ':');
|
|
StringVector tokensLimit;
|
|
tokensLimit.push_back("setconfig");
|
|
tokensLimit.push_back(pair.first);
|
|
tokensLimit.push_back(pair.second);
|
|
if (!Rlimit::handleSetrlimitCommand(tokensLimit))
|
|
{
|
|
LOG_ERR("Unknown rlimits command: " << tokens.getParam(cmdLimit));
|
|
}
|
|
}
|
|
}
|
|
else if (std::strstr(cmd, "--unattended") == cmd)
|
|
{
|
|
SigUtil::setUnattended();
|
|
}
|
|
#if ENABLE_DEBUG
|
|
// this process has various privileges - don't run arbitrary code.
|
|
else if (std::strstr(cmd, "--unitlib=") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
UnitTestLibrary = std::string(eq+1);
|
|
}
|
|
else if (std::strstr(cmd, "--singlekit") == cmd)
|
|
{
|
|
SingleKit = true;
|
|
}
|
|
#endif
|
|
// we are running in a lower-privilege mode - with no chroot
|
|
else if (std::strstr(cmd, "--nocaps") == cmd)
|
|
{
|
|
LOG_ERR("Security: Running without the capability to enter a chroot jail is ill advised.");
|
|
NoCapsForKit = true;
|
|
}
|
|
|
|
// we are running without seccomp protection
|
|
else if (std::strstr(cmd, "--noseccomp") == cmd)
|
|
{
|
|
LOG_ERR("Security: Running without the ability to filter system calls is ill advised.");
|
|
NoSeccomp = true;
|
|
}
|
|
|
|
else if (std::strstr(cmd, "--ui") == cmd)
|
|
{
|
|
eq = std::strchr(cmd, '=');
|
|
UserInterface = std::string(eq+1);
|
|
if (UserInterface != "classic" && UserInterface != "notebookbar")
|
|
UserInterface = "notebookbar";
|
|
}
|
|
}
|
|
|
|
if (sysTemplate.empty() || loTemplate.empty() || childRoot.empty())
|
|
{
|
|
printArgumentHelp();
|
|
return EX_USAGE;
|
|
}
|
|
|
|
if (!UnitBase::init(UnitBase::UnitType::Kit,
|
|
UnitTestLibrary))
|
|
{
|
|
LOG_FTL("Failed to load kit unit test library");
|
|
return EX_USAGE;
|
|
}
|
|
|
|
setupKitEnvironment(UserInterface);
|
|
|
|
if (!std::getenv("LD_BIND_NOW")) // must be set by parent.
|
|
LOG_INF("Note: LD_BIND_NOW is not set.");
|
|
|
|
if (!NoCapsForKit && !haveCorrectCapabilities())
|
|
{
|
|
LOG_FTL("Capabilities are not set for the coolforkit program.");
|
|
LOG_FTL("Please make sure that the current partition was *not* mounted with the 'nosuid' option.");
|
|
LOG_FTL("If you are on SLES11, please set 'file_caps=1' as kernel boot option.");
|
|
return EX_SOFTWARE;
|
|
}
|
|
|
|
// Initialize LoKit
|
|
if (!globalPreinit(loTemplate))
|
|
{
|
|
LOG_FTL("Failed to preinit lokit.");
|
|
Util::forcedExit(EX_SOFTWARE);
|
|
}
|
|
|
|
if (Util::getProcessThreadCount() != 1)
|
|
LOG_ERR("forkit has more than a single thread after pre-init");
|
|
|
|
// Link the network and system files in sysTemplate, if possible.
|
|
JailUtil::SysTemplate::setupDynamicFiles(sysTemplate);
|
|
|
|
// Make dev/[u]random point to the writable devices in tmp/dev/.
|
|
JailUtil::SysTemplate::setupRandomDeviceLinks(sysTemplate);
|
|
|
|
#if !MOBILEAPP
|
|
// Parse the configuration.
|
|
const auto conf = std::getenv("COOL_CONFIG");
|
|
config::initialize(std::string(conf ? conf : std::string()));
|
|
EnableExperimental = config::getBool("experimental_features", false);
|
|
#endif
|
|
|
|
Util::setThreadName("forkit");
|
|
|
|
LOG_INF("Preinit stage OK.");
|
|
|
|
// We must have at least one child, more are created dynamically.
|
|
// Ask this first child to send version information to master process and trace startup.
|
|
::setenv("COOL_TRACE_STARTUP", "1", 1);
|
|
const pid_t forKitPid = createLibreOfficeKit(childRoot, sysTemplate, loTemplate, true);
|
|
if (forKitPid < 0)
|
|
{
|
|
LOG_FTL("Failed to create a kit process.");
|
|
Util::forcedExit(EX_SOFTWARE);
|
|
}
|
|
|
|
// No need to trace subsequent children.
|
|
::unsetenv("COOL_TRACE_STARTUP");
|
|
if (LogLevel != LogLevelStartup)
|
|
{
|
|
LOG_INF("Forkit initialization complete: setting log-level to [" << LogLevel << "] as configured.");
|
|
Log::logger().setLevel(LogLevel);
|
|
}
|
|
|
|
SocketPoll mainPoll(Util::getThreadName());
|
|
mainPoll.runOnClientThread(); // We will do the polling on this thread.
|
|
|
|
WSHandler = std::make_shared<ServerWSHandler>("forkit_ws");
|
|
|
|
#if !MOBILEAPP
|
|
if (!mainPoll.insertNewUnixSocket(MasterLocation, FORKIT_URI, WSHandler))
|
|
{
|
|
LOG_SFL("Failed to connect to WSD. Will exit.");
|
|
Util::forcedExit(EX_SOFTWARE);
|
|
}
|
|
#endif
|
|
|
|
SigUtil::setUserSignals();
|
|
|
|
const int parentPid = getppid();
|
|
LOG_INF("ForKit process is ready. Parent: " << parentPid);
|
|
|
|
while (!SigUtil::getShutdownRequestFlag() && !SigUtil::getTerminationFlag())
|
|
{
|
|
UnitKit::get().invokeForKitTest();
|
|
|
|
mainPoll.poll(std::chrono::microseconds(POLL_TIMEOUT_MICRO_S));
|
|
|
|
SigUtil::checkDumpGlobalState(dump_forkit_state);
|
|
|
|
// When our parent exits, we are assigned a new parent (typically init).
|
|
if (getppid() != parentPid)
|
|
{
|
|
LOG_SFL("Parent process has died. Will exit now.");
|
|
break;
|
|
}
|
|
|
|
#if ENABLE_DEBUG
|
|
if (!SingleKit)
|
|
#endif
|
|
forkLibreOfficeKit(childRoot, sysTemplate, loTemplate);
|
|
}
|
|
|
|
const int returnValue = UnitBase::uninit();
|
|
|
|
LOG_INF("ForKit process finished.");
|
|
Util::forcedExit(returnValue);
|
|
}
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|