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collabora-online/kit/ForKit.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* Copyright the Collabora Online contributors.
*
* SPDX-License-Identifier: MPL-2.0
*
* 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/.
*/
/*
* A very simple, single threaded helper to efficiently pre-init and
* spawn lots of kits as children.
*/
#include <config.h>
#include <config_version.h>
#ifndef __FreeBSD__
#include <sys/capability.h>
#endif
#include <sys/types.h>
#include <sys/wait.h>
#include <sysexits.h>
#include <atomic>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <map>
#include <thread>
#include <chrono>
#include <Poco/Path.h>
#include <Common.hpp>
#include "Kit.hpp"
#include "SetupKitEnvironment.hpp"
#include <Log.hpp>
#include <Simd.hpp>
#include <Unit.hpp>
#include <Util.hpp>
#include <WebSocketHandler.hpp>
#if !MOBILEAPP
#include <Admin.hpp>
#endif
#include <common/FileUtil.hpp>
#include <common/JailUtil.hpp>
#include <common/Seccomp.hpp>
#include <common/SigUtil.hpp>
#include <common/security.h>
#include <common/ConfigUtil.hpp>
#include <kit/DeltaSimd.h>
#ifndef KIT_IN_PROCESS
static bool NoCapsForKit = false;
static bool NoSeccomp = false;
#if ENABLE_DEBUG
static bool SingleKit = false;
#endif
#else
static const bool NoCapsForKit = true; // NoCaps for in-process kit.
static const bool NoSeccomp = true; // NoSeccomp for in-process kit.
#endif
static std::string UserInterface;
static bool DisplayVersion = false;
static std::string UnitTestLibrary;
static std::string LogLevel;
static std::string LogLevelStartup;
static std::atomic<unsigned> ForkCounter(0);
/// The [child pid -> jail path] map.
static std::map<pid_t, std::string> childJails;
/// The jails that need cleaning up. This should be small.
static std::vector<std::string> cleanupJailPaths;
#ifndef KIT_IN_PROCESS
int ClientPortNumber = DEFAULT_CLIENT_PORT_NUMBER;
std::string MasterLocation;
#endif
extern "C" { void dump_forkit_state(void); /* easy for gdb */ }
void dump_forkit_state()
{
std::ostringstream oss;
oss << "Forkit: " << ForkCounter << " forks\n"
<< " LogLevel: " << LogLevel << "\n"
<< " LogLevelStartup: " << LogLevelStartup << "\n"
<< " unit test: " << UnitTestLibrary << "\n"
#ifndef KIT_IN_PROCESS
<< " NoCapsForKit: " << NoCapsForKit << "\n"
<< " NoSeccomp: " << NoSeccomp << "\n"
# if ENABLE_DEBUG
<< " SingleKit: " << SingleKit << "\n"
# endif
#endif
<< " ClientPortNumber: " << ClientPortNumber << "\n"
<< " MasterLocation: " << MasterLocation
<< "\n";
const std::string msg = oss.str();
fprintf(stderr, "%s", msg.c_str());
LOG_TRC(msg);
}
class ServerWSHandler;
// We have a single thread and a single connection so we won't bother with
// access synchronization
std::shared_ptr<ServerWSHandler> WSHandler;
class ServerWSHandler final : public WebSocketHandler
{
std::string _socketName;
public:
ServerWSHandler(const std::string& socketName) :
WebSocketHandler(/* isClient = */ true, /* isMasking */ false),
_socketName(socketName)
{
}
protected:
void handleMessage(const std::vector<char>& data) override
{
std::string message(data.data(), data.size());
#if !MOBILEAPP
if (UnitKit::get().filterKitMessage(this, message))
return;
#endif
StringVector tokens = StringVector::tokenize(message);
LOG_DBG(_socketName << ": recv [" <<
[&](auto& log)
{
for (const auto& token : tokens)
{
log << tokens.getParam(token) << ' ';
}
});
// Note: Syntax or parsing errors here are unexpected and fatal.
if (SigUtil::getTerminationFlag())
{
LOG_DBG("Termination flag set: skip message processing");
}
else if (tokens.size() == 2 && tokens.equals(0, "spawn"))
{
const int count = std::stoi(tokens[1]);
if (count > 0)
{
LOG_INF("Setting to spawn " << tokens[1] << " child" << (count == 1 ? "" : "ren") << " per request.");
ForkCounter = count;
}
else
{
LOG_WRN("Cannot spawn " << tokens[1] << " children as requested.");
}
}
else if (tokens.size() == 2 && tokens.equals(0, "setloglevel"))
{
// Set environment variable so that new children will also set their log levels accordingly.
setenv("COOL_LOGLEVEL", tokens[1].c_str(), 1);
Log::logger().setLevel(tokens[1]);
}
else if (tokens.size() == 3 && tokens.equals(0, "setconfig"))
{
// Currently only rlimit entries are supported.
if (!Rlimit::handleSetrlimitCommand(tokens))
{
LOG_ERR("Unknown setconfig command: " << message);
}
}
else if (tokens.size() == 2 && tokens.equals(0, "addfont"))
{
// Tell core to use that font file
std::string fontFile = tokens[1];
assert(loKitPtr);
loKitPtr->pClass->setOption(loKitPtr, "addfont", Poco::URI(Poco::Path(fontFile)).toString().c_str());
}
else if (tokens.equals(0, "exit"))
{
LOG_INF("Setting TerminationFlag due to 'exit' command from parent.");
SigUtil::setTerminationFlag();
}
else
{
LOG_ERR("Bad or unknown token [" << tokens[0] << ']');
}
}
void onDisconnect() override
{
#if !MOBILEAPP
LOG_ERR("ForKit connection lost without exit arriving from wsd. Setting TerminationFlag");
SigUtil::setTerminationFlag();
#endif
}
};
#ifndef KIT_IN_PROCESS
#ifndef __FreeBSD__
static bool haveCapability(cap_value_t capability)
{
cap_t caps = cap_get_proc();
if (caps == nullptr)
{
LOG_SFL("cap_get_proc() failed");
return false;
}
char *cap_name = cap_to_name(capability);
cap_flag_value_t value;
if (cap_get_flag(caps, capability, CAP_EFFECTIVE, &value) == -1)
{
if (cap_name)
{
LOG_SFL("cap_get_flag failed for " << cap_name);
cap_free(cap_name);
}
else
{
LOG_SFL("cap_get_flag failed for capability " << capability);
}
return false;
}
if (value != CAP_SET)
{
if (cap_name)
{
LOG_ERR("Capability " << cap_name << " is not set for the coolforkit program.");
cap_free(cap_name);
}
else
{
LOG_ERR("Capability " << capability << " is not set for the coolforkit program.");
}
return false;
}
if (cap_name)
{
LOG_INF("Have capability " << cap_name);
cap_free(cap_name);
}
else
{
LOG_INF("Have capability " << capability);
}
return true;
}
static bool haveCorrectCapabilities()
{
bool result = true;
// Do check them all, don't shortcut with &&
if (!haveCapability(CAP_SYS_CHROOT))
result = false;
if (!haveCapability(CAP_MKNOD))
result = false;
if (!haveCapability(CAP_FOWNER))
result = false;
if (!haveCapability(CAP_CHOWN))
result = false;
return result;
}
#else
static bool haveCorrectCapabilities()
{
// chroot() can only be called by root
return getuid() == 0;
}
#endif // __FreeBSD__
#endif
/// Check if some previously forked kids have died.
static void cleanupChildren()
{
pid_t exitedChildPid;
int status = 0;
int segFaultCount = 0;
LOG_TRC("cleanupChildren with " << childJails.size()
<< (childJails.size() == 1 ? " child" : " children"));
// Reap quickly without doing slow cleanup so WSD can spawn more rapidly.
while ((exitedChildPid = waitpid(-1, &status, WUNTRACED | WNOHANG)) > 0)
{
const auto it = childJails.find(exitedChildPid);
if (it != childJails.end())
{
if (WIFSIGNALED(status) && (WTERMSIG(status) == SIGSEGV ||
WTERMSIG(status) == SIGBUS ||
WTERMSIG(status) == SIGABRT))
{
++segFaultCount;
std::string noteCrashFile(it->second + "/tmp/kit-crashed");
int noteCrashFD = open(noteCrashFile.c_str(), O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR);
if (noteCrashFD < 0)
LOG_ERR("Couldn't create file: " << noteCrashFile << " due to error: " << strerror(errno));
else
close(noteCrashFD);
}
LOG_INF("Child " << exitedChildPid << " has exited, will remove its jail [" << it->second << "].");
cleanupJailPaths.emplace_back(it->second);
childJails.erase(it);
if (childJails.empty() && !SigUtil::getTerminationFlag())
{
// We ran out of kits and we aren't terminating.
LOG_WRN("No live Kits exist, and we are not terminating yet.");
}
}
else
{
LOG_ERR("Unknown child " << exitedChildPid << " has exited");
}
}
if (Log::traceEnabled())
{
std::ostringstream oss;
for (const auto& pair : childJails)
oss << pair.first << ' ';
LOG_TRC("cleanupChildren reaped " << cleanupJailPaths.size() << " children to have "
<< childJails.size() << " left: " << oss.str());
}
if (segFaultCount)
{
#ifdef KIT_IN_PROCESS
#if !MOBILEAPP
Admin::instance().addSegFaultCount(segFaultCount);
#endif
#else
if (WSHandler)
{
std::stringstream stream;
stream << "segfaultcount " << segFaultCount << '\n';
int ret = WSHandler->sendMessage(stream.str());
if (ret == -1)
{
LOG_WRN("Could not send 'segfaultcount' message through websocket");
}
else
{
LOG_WRN("Successfully sent 'segfaultcount' message " << stream.str());
}
}
#endif
}
// Now delete the jails.
auto i = cleanupJailPaths.size();
while (i-- > 0)
{
const std::string path = cleanupJailPaths[i];
// don't delete jails where there was a crash until it ~3 minutes old
std::string noteCrashFile(path + "/tmp/kit-crashed");
auto noteStat = FileUtil::Stat(noteCrashFile);
if (noteStat.good())
{
time_t modifiedTimeSec = noteStat.modifiedTimeMs() / 1000;
if (time(nullptr) < modifiedTimeSec + 180)
continue;
}
JailUtil::tryRemoveJail(path);
const FileUtil::Stat st(path);
if (st.good() && st.isDirectory())
LOG_DBG("Could not remove jail path [" << path << "]. Will retry later.");
else
cleanupJailPaths.erase(cleanupJailPaths.begin() + i);
}
}
static int createLibreOfficeKit(const std::string& childRoot,
const std::string& sysTemplate,
const std::string& loTemplate,
bool queryVersion = false)
{
// Generate a jail ID to be used for in the jail path.
const std::string jailId = Util::rng::getFilename(16);
// Update the dynamic files as necessary.
JailUtil::SysTemplate::updateDynamicFiles(sysTemplate);
// Used to label the spare kit instances
static size_t spareKitId = 0;
++spareKitId;
LOG_DBG("Forking a coolkit process with jailId: " << jailId << " as spare coolkit #"
<< spareKitId << '.');
const auto startForkingTime = std::chrono::steady_clock::now();
const pid_t pid = fork();
if (!pid)
{
// Child
// Close the pipe from coolwsd
close(0);
#ifndef KIT_IN_PROCESS
UnitKit::get().postFork();
#endif
if (std::getenv("SLEEPKITFORDEBUGGER"))
{
const size_t delaySecs = std::stoul(std::getenv("SLEEPKITFORDEBUGGER"));
if (delaySecs > 0)
{
std::cerr << "Kit: Sleeping " << delaySecs
<< " seconds to give you time to attach debugger to process "
<< getpid() << std::endl;
std::this_thread::sleep_for(std::chrono::seconds(delaySecs));
}
}
lokit_main(childRoot, jailId, sysTemplate, loTemplate, NoCapsForKit, NoSeccomp,
queryVersion, DisplayVersion, spareKitId);
}
else
{
// Parent
if (pid < 0)
{
LOG_SYS("Fork failed");
}
else
{
LOG_INF("Forked kit [" << pid << ']');
childJails[pid] = childRoot + jailId;
}
#ifndef KIT_IN_PROCESS
UnitKit::get().launchedKit(pid);
#endif
}
const auto duration = (std::chrono::steady_clock::now() - startForkingTime);
const auto durationMs = std::chrono::duration_cast<std::chrono::milliseconds>(duration);
LOG_TRC("Forking child took " << durationMs);
return pid;
}
void forkLibreOfficeKit(const std::string& childRoot,
const std::string& sysTemplate,
const std::string& loTemplate,
int limit)
{
LOG_TRC("forkLibreOfficeKit limit: " << limit);
// Cleanup first, to reduce disk load.
cleanupChildren();
#ifndef KIT_IN_PROCESS
(void) limit;
#else
if (limit > 0)
ForkCounter = limit;
#endif
if (ForkCounter > 0)
{
// Create as many as requested.
const size_t count = ForkCounter;
LOG_INF("Spawning " << count << " new child" << (count == 1 ? "." : "ren."));
const size_t retry = count * 2;
for (size_t i = 0; ForkCounter > 0 && i < retry; ++i)
{
if (ForkCounter-- <= 0 || createLibreOfficeKit(childRoot, sysTemplate, loTemplate) < 0)
{
LOG_ERR("Failed to create a kit process.");
++ForkCounter;
}
}
}
}
#ifndef KIT_IN_PROCESS
static void printArgumentHelp()
{
std::cout << "Usage: coolforkit [OPTION]..." << std::endl;
std::cout << " Single-threaded process that spawns lok instances" << std::endl;
std::cout << " Note: Running this standalone is not possible. It is spawned by coolwsd" << std::endl;
std::cout << " and is controlled via a pipe." << std::endl;
std::cout << "" << std::endl;
}
int main(int argc, char** argv)
{
/*WARNING: PRIVILEGED CODE CHECKING START */
/*WARNING*/ // early check for avoiding the security check for username 'cool'
/*WARNING*/ // (deliberately only this, not moving the entire parameter parsing here)
/*WARNING*/ bool checkCoolUser = true;
/*WARNING*/ std::string disableCoolUserChecking("--disable-cool-user-checking");
/*WARNING*/ for (int i = 1; checkCoolUser && (i < argc); ++i)
/*WARNING*/ {
/*WARNING*/ if (disableCoolUserChecking == argv[i])
/*WARNING*/ checkCoolUser = false;
/*WARNING*/ }
/*WARNING*/ if (!hasCorrectUID("coolforkit"))
/*WARNING*/ {
/*WARNING*/ // don't allow if any capability is set (unless root; who runs this
/*WARNING*/ // as root or runs this in a container and provides --disable-cool-user-checking knows what they
/*WARNING*/ // are doing)
/*WARNING*/ if (hasUID("root"))
/*WARNING*/ {
/*WARNING*/ // This is fine, the 'root' can do anything anyway
/*WARNING*/ }
/*WARNING*/ else if (isInContainer())
/*WARNING*/ {
/*WARNING*/ // This is fine, we are confined in the container anyway
/*WARNING*/ }
/*WARNING*/ else if (hasAnyCapability())
/*WARNING*/ {
/*WARNING*/ if (!checkCoolUser)
/*WARNING*/ LOG_FTL("Security: --disable-cool-user-checking failed, coolforkit has some capabilities set.");
/*WARNING*/ LOG_FTL("Aborting.");
/*WARNING*/ return EX_SOFTWARE;
/*WARNING*/ }
/*WARNING*/ // even without the capabilities, don't run unless the user really knows
/*WARNING*/ // what they are doing, and provided a --disable-cool-user-checking
/*WARNING*/ if (checkCoolUser)
/*WARNING*/ {
/*WARNING*/ LOG_FTL("Aborting.");
/*WARNING*/ return EX_SOFTWARE;
/*WARNING*/ }
/*WARNING*/ LOG_ERR("Security: Check for the 'cool' username overridden on the command line.");
/*WARNING*/ }
/*WARNING: PRIVILEGED CODE CHECKING END */
// Continue in privileged mode, but only if:
// * the user is 'cool' (privileged user)
// * the user is 'root', and --disable-cool-user-checking was provided
// Alternatively allow running in non-privileged mode (with --nocaps), if:
// * 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);
if (simd::init())
simd_deltaInit();
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())
{
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: */
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