void ServerConfig::Apply(ServerConfig* old, const std::string &useruid)
{
valid = true;
if (old)
{
/*
* These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername.
*/
this->CaseMapping = old->CaseMapping;
this->ServerName = old->ServerName;
this->sid = old->sid;
this->cmdline = old->cmdline;
}
/* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
try
{
// Ensure the user has actually edited ther config.
ConfigTagList dietags = ConfTags("die");
if (dietags.first != dietags.second)
{
errstr << "Your configuration has not been edited correctly!" << std::endl;
for (ConfigIter iter = dietags.first; iter != dietags.second; ++iter)
{
ConfigTag* tag = iter->second;
const std::string reason = tag->getString("reason", "You left a <die> tag in your config", 1);
errstr << reason << " (at " << tag->getTagLocation() << ")" << std::endl;
}
}
Fill();
// Handle special items
CrossCheckOperClassType();
CrossCheckConnectBlocks(old);
}
catch (CoreException &ce)
{
errstr << ce.GetReason() << std::endl;
}
// Check errors before dealing with failed binds, since continuing on failed bind is wanted in some circumstances.
valid = errstr.str().empty();
// write once here, to try it out and make sure its ok
if (valid)
ServerInstance->WritePID(this->PID, !old);
ConfigTagList binds = ConfTags("bind");
if (binds.first == binds.second)
errstr << "Possible configuration error: you have not defined any <bind> blocks." << std::endl
<< "You will need to do this if you want clients to be able to connect!" << std::endl;
if (old && valid)
{
// On first run, ports are bound later on
FailedPortList pl;
ServerInstance->BindPorts(pl);
if (pl.size())
{
errstr << "Not all your client ports could be bound." << std::endl
<< "The following port(s) failed to bind:" << std::endl;
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
errstr << j << ".\tAddress: " << i->first.str() << "\tReason: " << strerror(i->second) << std::endl;
}
}
}
User* user = useruid.empty() ? NULL : ServerInstance->FindNick(useruid);
if (!valid)
{
ServerInstance->Logs.Log("CONFIG", LOG_DEFAULT, "There were errors in your configuration file:");
Classes.clear();
}
while (errstr.good())
{
std::string line;
getline(errstr, line, '\n');
if (line.empty())
continue;
// On startup, print out to console (still attached at this point)
if (!old)
std::cout << line << std::endl;
// If a user is rehashing, tell them directly
if (user)
user->WriteRemoteNotice(InspIRCd::Format("*** %s", line.c_str()));
// Also tell opers
ServerInstance->SNO.WriteGlobalSno('a', line);
}
errstr.clear();
errstr.str(std::string());
/* No old configuration -> initial boot, nothing more to do here */
if (!old)
{
if (!valid)
{
ServerInstance->Exit(EXIT_STATUS_CONFIG);
}
return;
}
// If there were errors processing configuration, don't touch modules.
if (!valid)
return;
ApplyModules(user);
if (user)
user->WriteRemoteNotice("*** Successfully rehashed server.");
ServerInstance->SNO.WriteGlobalSno('a', "*** Successfully rehashed server.");
}
void ServerConfig::Apply(ServerConfig* old, const std::string &useruid)
{
valid = true;
if (old)
{
/*
* These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername.
*/
this->ServerName = old->ServerName;
this->sid = old->sid;
this->cmdline = old->cmdline;
}
/* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
try
{
for (int index = 0; index * sizeof(DeprecatedConfig) < sizeof(ChangedConfig); index++)
{
std::string value;
ConfigTagList tags = ConfTags(ChangedConfig[index].tag);
for(ConfigIter i = tags.first; i != tags.second; ++i)
{
if (i->second->readString(ChangedConfig[index].key, value, true)
&& (ChangedConfig[index].value.empty() || value == ChangedConfig[index].value))
{
errstr << "Your configuration contains a deprecated value: <" << ChangedConfig[index].tag;
if (ChangedConfig[index].value.empty())
{
errstr << ':' << ChangedConfig[index].key;
}
else
{
errstr << ' ' << ChangedConfig[index].key << "=\"" << ChangedConfig[index].value << "\"";
}
errstr << "> - " << ChangedConfig[index].reason << " (at " << i->second->getTagLocation() << ")\n";
}
}
}
Fill();
// Handle special items
CrossCheckOperClassType();
CrossCheckConnectBlocks(old);
}
catch (CoreException &ce)
{
errstr << ce.GetReason();
}
// Check errors before dealing with failed binds, since continuing on failed bind is wanted in some circumstances.
valid = errstr.str().empty();
// write once here, to try it out and make sure its ok
if (valid)
ServerInstance->WritePID(this->PID);
if (old)
{
// On first run, ports are bound later on
FailedPortList pl;
ServerInstance->BindPorts(pl);
if (pl.size())
{
errstr << "Not all your client ports could be bound.\nThe following port(s) failed to bind:\n";
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
char buf[MAXBUF];
snprintf(buf, MAXBUF, "%d. Address: %s Reason: %s\n", j, i->first.empty() ? "<all>" : i->first.c_str(), i->second.c_str());
errstr << buf;
}
}
}
User* user = useruid.empty() ? NULL : ServerInstance->FindNick(useruid);
if (!valid)
ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT, "There were errors in your configuration file:");
while (errstr.good())
{
std::string line;
getline(errstr, line, '\n');
if (line.empty())
continue;
// On startup, print out to console (still attached at this point)
if (!old)
std::cout << line << std::endl;
// If a user is rehashing, tell them directly
if (user)
user->SendText(":%s NOTICE %s :*** %s", ServerInstance->Config->ServerName.c_str(), user->nick.c_str(), line.c_str());
// Also tell opers
ServerInstance->SNO->WriteGlobalSno('a', line);
}
errstr.clear();
errstr.str(std::string());
// Re-parse our MOTD and RULES files for colors -- Justasic
for (ClassVector::const_iterator it = this->Classes.begin(), it_end = this->Classes.end(); it != it_end; ++it)
{
ConfigTag *tag = (*it)->config;
// Make sure our connection class allows motd colors
if(!tag->getBool("allowmotdcolors"))
continue;
ConfigFileCache::iterator file = this->Files.find(tag->getString("motd", "motd"));
if (file != this->Files.end())
InspIRCd::ProcessColors(file->second);
file = this->Files.find(tag->getString("rules", "rules"));
if (file != this->Files.end())
InspIRCd::ProcessColors(file->second);
}
/* No old configuration -> initial boot, nothing more to do here */
if (!old)
{
if (!valid)
{
ServerInstance->Exit(EXIT_STATUS_CONFIG);
}
return;
}
// If there were errors processing configuration, don't touch modules.
if (!valid)
return;
ApplyModules(user);
if (user)
user->SendText(":%s NOTICE %s :*** Successfully rehashed server.",
ServerInstance->Config->ServerName.c_str(), user->nick.c_str());
ServerInstance->SNO->WriteGlobalSno('a', "*** Successfully rehashed server.");
}
InspIRCd::InspIRCd(int argc, char** argv) :
ConfigFileName(CONFIG_PATH "/inspircd.conf"),
/* Functor pointer initialisation.
*
* THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
* themselves within the class.
*/
OperQuit("operquit", NULL),
GenRandom(&HandleGenRandom),
IsChannel(&HandleIsChannel),
IsNick(&HandleIsNick),
IsIdent(&HandleIsIdent),
OnCheckExemption(&HandleOnCheckExemption)
{
ServerInstance = this;
Extensions.Register(&OperQuit);
FailedPortList pl;
// Flag variables passed to getopt_long() later
int do_version = 0, do_nofork = 0, do_debug = 0,
do_nolog = 0, do_root = 0;
// Initialize so that if we exit before proper initialization they're not deleted
this->Logs = 0;
this->Threads = 0;
this->PI = 0;
this->Users = 0;
this->Config = 0;
this->SNO = 0;
this->BanCache = 0;
this->Modules = 0;
this->stats = 0;
this->Parser = 0;
this->XLines = 0;
this->Modes = 0;
this->ConfigThread = NULL;
this->FakeClient = NULL;
UpdateTime();
this->startup_time = TIME.tv_sec;
// This must be created first, so other parts of Insp can use it while starting up
this->Logs = new LogManager;
SocketEngine::Init();
this->Threads = new ThreadEngine;
/* Default implementation does nothing */
this->PI = new ProtocolInterface;
// Create base manager classes early, so nothing breaks
this->Users = new UserManager;
this->Config = new ServerConfig;
this->SNO = new SnomaskManager;
this->BanCache = new BanCacheManager;
this->Modules = new ModuleManager();
dynamic_reference_base::reset_all();
this->stats = new serverstats();
this->Parser = new CommandParser;
this->XLines = new XLineManager;
this->Config->cmdline.argv = argv;
this->Config->cmdline.argc = argc;
#ifdef _WIN32
srand(TIME.tv_nsec ^ TIME.tv_sec);
// Initialize the console values
g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO bufinf;
if(GetConsoleScreenBufferInfo(g_hStdout, &bufinf))
{
g_wOriginalColors = bufinf.wAttributes & 0x00FF;
g_wBackgroundColor = bufinf.wAttributes & 0x00F0;
}
else
{
g_wOriginalColors = FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN;
g_wBackgroundColor = 0;
}
#else
srandom(TIME.tv_nsec ^ TIME.tv_sec);
#endif
struct option longopts[] =
{
{ "nofork", no_argument, &do_nofork, 1 },
{ "config", required_argument, NULL, 'c' },
{ "debug", no_argument, &do_debug, 1 },
{ "nolog", no_argument, &do_nolog, 1 },
{ "runasroot", no_argument, &do_root, 1 },
{ "version", no_argument, &do_version, 1 },
#ifdef INSPIRCD_ENABLE_TESTSUITE
{ "testsuite", no_argument, &do_testsuite, 1 },
#endif
{ 0, 0, 0, 0 }
};
int c;
int index;
while ((c = getopt_long(argc, argv, ":c:", longopts, &index)) != -1)
{
switch (c)
{
case 'c':
/* Config filename was set */
ConfigFileName = ServerInstance->Config->Paths.PrependConfig(optarg);
break;
case 0:
/* getopt_long_only() set an int variable, just keep going */
break;
case '?':
/* Unknown parameter */
default:
/* Fall through to handle other weird values too */
std::cout << "Unknown parameter '" << argv[optind-1] << "'" << std::endl;
std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--debug] [--config <config>]" << std::endl <<
std::string(static_cast<int>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version]" << std::endl;
Exit(EXIT_STATUS_ARGV);
break;
}
}
#ifdef INSPIRCD_ENABLE_TESTSUITE
if (do_testsuite)
do_nofork = do_debug = true;
#endif
if (do_version)
{
std::cout << std::endl << VERSION << " " << REVISION << std::endl;
Exit(EXIT_STATUS_NOERROR);
}
#ifdef _WIN32
// Set up winsock
WSADATA wsadata;
WSAStartup(MAKEWORD(2,2), &wsadata);
#endif
/* Set the finished argument values */
Config->cmdline.nofork = (do_nofork != 0);
Config->cmdline.forcedebug = (do_debug != 0);
Config->cmdline.writelog = !do_nolog;
if (do_debug)
{
FileWriter* fw = new FileWriter(stdout);
FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw);
Logs->AddLogTypes("*", fls, true);
}
if (!FileSystem::FileExists(ConfigFileName))
{
#ifdef _WIN32
/* Windows can (and defaults to) hide file extensions, so let's play a bit nice for windows users. */
std::string txtconf = this->ConfigFileName;
txtconf.append(".txt");
if (FileSystem::FileExists(txtconf))
{
ConfigFileName = txtconf;
}
else
#endif
{
std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl;
this->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to open config file %s", ConfigFileName.c_str());
Exit(EXIT_STATUS_CONFIG);
}
}
std::cout << con_green << "Inspire Internet Relay Chat Server" << con_reset << ", compiled on " __DATE__ " at " __TIME__ << std::endl;
std::cout << con_green << "(C) InspIRCd Development Team." << con_reset << std::endl << std::endl;
std::cout << "Developers:" << std::endl;
std::cout << con_green << "\tBrain, FrostyCoolSlug, w00t, Om, Special, peavey" << std::endl;
std::cout << "\taquanight, psychon, dz, danieldg, jackmcbarn" << std::endl;
std::cout << "\tAttila" << con_reset << std::endl << std::endl;
std::cout << "Others:\t\t\t" << con_green << "See /INFO Output" << con_reset << std::endl;
this->Modes = new ModeParser;
#ifndef _WIN32
if (!do_root)
this->CheckRoot();
else
{
std::cout << "* WARNING * WARNING * WARNING * WARNING * WARNING *" << std::endl
<< "YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED" << std::endl
<< "AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED" << std::endl
<< "OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR" << std::endl
<< "SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN" << std::endl
<< "TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART" << std::endl
<< "THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!" << std::endl << std::endl
<< "InspIRCd starting in 20 seconds, ctrl+c to abort..." << std::endl;
sleep(20);
}
#endif
this->SetSignals();
if (!Config->cmdline.nofork)
{
if (!this->DaemonSeed())
{
std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl;
Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
Exit(EXIT_STATUS_FORK);
}
}
SocketEngine::RecoverFromFork();
/* During startup we read the configuration now, not in
* a seperate thread
*/
this->Config->Read();
this->Config->Apply(NULL, "");
Logs->OpenFileLogs();
ModeParser::InitBuiltinModes();
// If we don't have a SID, generate one based on the server name and the server description
if (Config->sid.empty())
Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc);
// Initialize the UID generator with our sid
this->UIDGen.init(Config->sid);
// Create the server user for this server
this->FakeClient = new FakeUser(Config->sid, Config->ServerName, Config->ServerDesc);
// This is needed as all new XLines are marked pending until ApplyLines() is called
this->XLines->ApplyLines();
int bounditems = BindPorts(pl);
std::cout << std::endl;
this->Modules->LoadAll();
// Build ISupport as ModuleManager::LoadAll() does not do it
this->ISupport.Build();
Config->ApplyDisabledCommands(Config->DisabledCommands);
if (!pl.empty())
{
std::cout << std::endl << "WARNING: Not all your client ports could be bound -- " << std::endl << "starting anyway with " << bounditems
<< " of " << bounditems + (int)pl.size() << " client ports bound." << std::endl << std::endl;
std::cout << "The following port(s) failed to bind:" << std::endl << std::endl;
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
std::cout << j << ".\tAddress: " << (i->first.empty() ? "<all>" : i->first) << " \tReason: " << i->second << std::endl;
}
std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl;
}
std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SocketEngine::GetMaxFds() << " max open sockets" << std::endl;
#ifndef _WIN32
if (!Config->cmdline.nofork)
{
if (kill(getppid(), SIGTERM) == -1)
{
std::cout << "Error killing parent process: " << strerror(errno) << std::endl;
Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno));
}
}
/* Explicitly shut down stdio's stdin/stdout/stderr.
*
* The previous logic here was to only do this if stdio was connected to a controlling
* terminal. However, we must do this always to avoid information leaks and other
* problems related to stdio.
*
* The only exception is if we are in debug mode.
*
* -- nenolod
*/
if ((!do_nofork) && (!Config->cmdline.forcedebug))
{
int fd = open("/dev/null", O_RDWR);
fclose(stdin);
fclose(stderr);
fclose(stdout);
if (dup2(fd, STDIN_FILENO) < 0)
Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdin.");
if (dup2(fd, STDOUT_FILENO) < 0)
Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdout.");
if (dup2(fd, STDERR_FILENO) < 0)
Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stderr.");
close(fd);
}
else
{
Logs->Log("STARTUP", LOG_DEFAULT, "Keeping pseudo-tty open as we are running in the foreground.");
}
#else
/* Set win32 service as running, if we are running as a service */
SetServiceRunning();
// Handle forking
if(!do_nofork)
{
FreeConsole();
}
QueryPerformanceFrequency(&stats->QPFrequency);
#endif
Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds());
#ifndef _WIN32
std::string SetUser = Config->ConfValue("security")->getString("runasuser");
std::string SetGroup = Config->ConfValue("security")->getString("runasgroup");
if (!SetGroup.empty())
{
int ret;
// setgroups
ret = setgroups(0, NULL);
if (ret == -1)
{
this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
this->QuickExit(0);
}
// setgid
struct group *g;
errno = 0;
g = getgrnam(SetGroup.c_str());
if (!g)
{
this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno));
this->QuickExit(0);
}
ret = setgid(g->gr_gid);
if (ret == -1)
{
this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid() failed (wrong group?): %s", strerror(errno));
this->QuickExit(0);
}
}
if (!SetUser.empty())
{
// setuid
struct passwd *u;
errno = 0;
u = getpwnam(SetUser.c_str());
if (!u)
{
this->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno));
this->QuickExit(0);
}
int ret = setuid(u->pw_uid);
if (ret == -1)
{
this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid() failed (wrong user?): %s", strerror(errno));
this->QuickExit(0);
}
}
this->WritePID(Config->PID);
#endif
}