int InspIRCd::BindPorts(FailedPortList& failed_ports)
{
int bound = 0;
std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
// Are we creating a TCP/IP listener?
const std::string address = tag->getString("address");
const std::string portlist = tag->getString("port");
if (!address.empty() || !portlist.empty())
{
// InspIRCd supports IPv4 and IPv6 natively; no 4in6 required.
if (strncasecmp(address.c_str(), "::ffff:", 7) == 0)
this->Logs.Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
// A TCP listener with no ports is not very useful.
if (portlist.empty())
this->Logs.Log("SOCKET", LOG_DEFAULT, "TCP listener on %s at %s has no ports specified!",
address.empty() ? "*" : address.c_str(), tag->getTagLocation().c_str());
irc::portparser portrange(portlist, false);
for (int port; (port = portrange.GetToken()); )
{
irc::sockets::sockaddrs bindspec;
if (!irc::sockets::aptosa(address, port, bindspec))
continue;
if (!BindPort(tag, bindspec, old_ports))
failed_ports.push_back(std::make_pair(bindspec, errno));
else
bound++;
}
continue;
}
#ifndef _WIN32
// Are we creating a UNIX listener?
const std::string path = tag->getString("path");
if (!path.empty())
{
// UNIX socket paths are length limited to less than PATH_MAX.
irc::sockets::sockaddrs bindspec;
if (path.length() > std::min(ServerInstance->Config->Limits.MaxHost, sizeof(bindspec.un.sun_path)))
{
this->Logs.Log("SOCKET", LOG_DEFAULT, "UNIX listener on %s at %s specified a path that is too long!",
path.c_str(), tag->getTagLocation().c_str());
continue;
}
// Create the bindspec manually (aptosa doesn't work with AF_UNIX yet).
memset(&bindspec, 0, sizeof(bindspec));
bindspec.un.sun_family = AF_UNIX;
memcpy(&bindspec.un.sun_path, path.c_str(), sizeof(bindspec.un.sun_path));
if (!BindPort(tag, bindspec, old_ports))
failed_ports.push_back(std::make_pair(bindspec, errno));
else
bound++;
}
#endif
}
std::vector<ListenSocket*>::iterator n = ports.begin();
for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
{
while (n != ports.end() && *n != *o)
n++;
if (n == ports.end())
{
this->Logs.Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
break;
}
this->Logs.Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
(**n).bind_sa.str().c_str());
delete *n;
// this keeps the iterator valid, pointing to the next element
n = ports.erase(n);
}
return bound;
}
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.");
}
int InspIRCd::BindPorts(FailedPortList &failed_ports)
{
int bound = 0;
std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
for(ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
std::string porttag = tag->getString("port");
std::string Addr = tag->getString("address");
if (strncasecmp(Addr.c_str(), "::ffff:", 7) == 0)
this->Logs->Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
irc::portparser portrange(porttag, false);
int portno = -1;
while (0 != (portno = portrange.GetToken()))
{
irc::sockets::sockaddrs bindspec;
if (!irc::sockets::aptosa(Addr, portno, bindspec))
continue;
std::string bind_readable = bindspec.str();
bool skip = false;
for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
{
if ((**n).bind_desc == bind_readable)
{
(*n)->bind_tag = tag; // Replace tag, we know addr and port match, but other info (type, ssl) may not
(*n)->ResetIOHookProvider();
skip = true;
old_ports.erase(n);
break;
}
}
if (!skip)
{
ListenSocket* ll = new ListenSocket(tag, bindspec);
if (ll->GetFd() > -1)
{
bound++;
ports.push_back(ll);
}
else
{
failed_ports.push_back(std::make_pair(bind_readable, strerror(errno)));
delete ll;
}
}
}
}
std::vector<ListenSocket*>::iterator n = ports.begin();
for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
{
while (n != ports.end() && *n != *o)
n++;
if (n == ports.end())
{
this->Logs->Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
break;
}
this->Logs->Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
(**n).bind_desc.c_str());
delete *n;
// this keeps the iterator valid, pointing to the next element
n = ports.erase(n);
}
return bound;
}
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.");
}
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
}
InspIRCd::InspIRCd(int argc, char** argv)
: ModCount(-1), GlobalCulls(this)
{
int found_ports = 0;
FailedPortList pl;
int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0; /* flag variables */
char c = 0;
modules.resize(255);
factory.resize(255);
memset(&server, 0, sizeof(server));
memset(&client, 0, sizeof(client));
this->unregistered_count = 0;
this->clientlist = new user_hash();
this->chanlist = new chan_hash();
this->Config = new ServerConfig(this);
this->Config->argv = argv;
this->Config->argc = argc;
if (chdir(Config->GetFullProgDir().c_str()))
{
printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
exit(0);
}
this->Config->opertypes.clear();
this->Config->operclass.clear();
this->SNO = new SnomaskManager(this);
this->TIME = this->OLDTIME = this->startup_time = time(NULL);
this->time_delta = 0;
this->next_call = this->TIME + 3;
srand(this->TIME);
*this->LogFileName = 0;
strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
struct option longopts[] =
{
{ "nofork", no_argument, &do_nofork, 1 },
{ "logfile", required_argument, NULL, 'f' },
{ "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 },
{ 0, 0, 0, 0 }
};
while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
{
switch (c)
{
case 'f':
/* Log filename was set */
strlcpy(LogFileName, optarg, MAXBUF);
break;
case 'c':
/* Config filename was set */
strlcpy(ConfigFileName, optarg, MAXBUF);
break;
case 0:
/* getopt_long_only() set an int variable, just keep going */
break;
default:
/* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);
Exit(EXIT_STATUS_ARGV);
break;
}
}
if (do_version)
{
printf("\n%s r%s\n", VERSION, REVISION);
Exit(EXIT_STATUS_NOERROR);
}
#ifdef WIN32
// Handle forking
if(!do_nofork && !owner_processid)
{
DWORD ExitCode = WindowsForkStart(this);
if(ExitCode)
Exit(ExitCode);
}
// Set up winsock
WSADATA wsadata;
WSAStartup(MAKEWORD(2,0), &wsadata);
#endif
if (!ServerConfig::FileExists(this->ConfigFileName))
{
printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);
Exit(EXIT_STATUS_CONFIG);
}
this->Start();
/* Set the finished argument values */
Config->nofork = do_nofork;
Config->forcedebug = do_debug;
Config->writelog = !do_nolog;
strlcpy(Config->MyExecutable,argv[0],MAXBUF);
this->OpenLog(argv, argc);
this->stats = new serverstats();
this->Timers = new TimerManager(this);
this->Parser = new CommandParser(this);
this->XLines = new XLineManager(this);
Config->ClearStack();
Config->Read(true, NULL);
if (!do_root)
this->CheckRoot();
else
{
printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
sleep(20);
}
this->SetSignals();
if (!Config->nofork)
{
if (!this->DaemonSeed())
{
printf("ERROR: could not go into daemon mode. Shutting down.\n");
Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
Exit(EXIT_STATUS_FORK);
}
}
/* Because of limitations in kqueue on freebsd, we must fork BEFORE we
* initialize the socket engine.
*/
SocketEngineFactory* SEF = new SocketEngineFactory();
SE = SEF->Create(this);
delete SEF;
this->Modes = new ModeParser(this);
this->AddServerName(Config->ServerName);
CheckDie();
int bounditems = BindPorts(true, found_ports, pl);
for(int t = 0; t < 255; t++)
Config->global_implementation[t] = 0;
memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
printf("\n");
this->Res = new DNS(this);
this->LoadAllModules();
/* Just in case no modules were loaded - fix for bug #101 */
this->BuildISupport();
InitializeDisabledCommands(Config->DisabledCommands, this);
if ((Config->ports.size() == 0) && (found_ports > 0))
{
printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
Exit(EXIT_STATUS_BIND);
}
if (Config->ports.size() != (unsigned int)found_ports)
{
printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
printf("The following port(s) failed to bind:\n");
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
}
}
#ifndef WINDOWS
if (!Config->nofork)
{
if (kill(getppid(), SIGTERM) == -1)
{
printf("Error killing parent process: %s\n",strerror(errno));
Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
}
}
if (isatty(0) && isatty(1) && isatty(2))
{
/* We didn't start from a TTY, we must have started from a background process -
* e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
* close stdin/stdout
*/
if (!do_nofork)
{
fclose(stdin);
fclose(stderr);
fclose(stdout);
}
else
{
Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
}
}
#else
InitIPC();
if(!Config->nofork)
{
WindowsForkKillOwner(this);
FreeConsole();
}
#endif
printf("\nInspIRCd is now running!\n");
Log(DEFAULT,"Startup complete.");
this->WritePID(Config->PID);
}
