/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2009 InspIRCd Development Team * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ /* $Core */ /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */ /* $CopyInstall: conf/inspircd.conf.example $(CONPATH) */ /* $CopyInstall: conf/modules.conf.example $(CONPATH) */ /* $CopyInstall: conf/opers.conf.example $(CONPATH) */ /* $CopyInstall: conf/links.conf.example $(CONPATH) */ /* $CopyInstall: tools/gdbargs $(BASE)/.gdbargs */ #include "inspircd.h" #include #include "xline.h" #include "exitcodes.h" #include "commands/cmd_whowas.h" #include "configparser.h" ServerConfig::ServerConfig() { WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0; NoUserDns = OperSpyWhois = HideBans = HideSplits = UndernetMsgPrefix = false; CycleHosts = InvBypassModes = true; dns_timeout = DieDelay = 5; MaxTargets = 20; NetBufferSize = 10240; SoftLimit = ServerInstance->SE->GetMaxFds(); MaxConn = SOMAXCONN; MaxWhoResults = 0; MaxChans = 20; OperMaxChans = 30; c_ipv4_range = 32; c_ipv6_range = 128; } void ServerConfig::Update005() { std::stringstream out(data005); std::string token; std::string line5; int token_counter = 0; isupport.clear(); while (out >> token) { line5 = line5 + token + " "; token_counter++; if (token_counter >= 13) { char buf[MAXBUF]; snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str()); isupport.push_back(buf); line5.clear(); token_counter = 0; } } if (!line5.empty()) { char buf[MAXBUF]; snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str()); isupport.push_back(buf); } } void ServerConfig::Send005(User* user) { for (std::vector::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++) user->WriteNumeric(RPL_ISUPPORT, "%s %s", user->nick.c_str(), line->c_str()); } static void ReqRead(ServerConfig* src, const std::string& tag, const std::string& key, std::string& dest) { ConfigTag* t = src->ConfValue(tag); if (!t || !t->readString(key, dest)) throw CoreException("You must specify a value for <" + tag + ":" + key + ">"); } template static void range(T& value, V min, V max, V def, const char* msg) { if (value >= (T)min && value <= (T)max) return; ServerInstance->Logs->Log("CONFIG", DEFAULT, "WARNING: %s value of %ld is not between %ld and %ld; set to %ld.", msg, (long)value, (long)min, (long)max, (long)def); value = def; } /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail, * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address. * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message. */ static void ValidIP(const std::string& ip, const std::string& key) { const char* p = ip.c_str(); int num_dots = 0; int num_seps = 0; int not_numbers = false; int not_hex = false; if (*p) { if (*p == '.') throw CoreException("The value of "+key+" is not an IP address"); for (const char* ptr = p; *ptr; ++ptr) { if (*ptr != ':' && *ptr != '.') { if (*ptr < '0' || *ptr > '9') not_numbers = true; if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F')) not_hex = true; } switch (*ptr) { case ' ': throw CoreException("The value of "+key+" is not an IP address"); case '.': num_dots++; break; case ':': num_seps++; break; } } if (num_dots > 3) throw CoreException("The value of "+key+" is an IPv4 address with too many fields!"); if (num_seps > 8) throw CoreException("The value of "+key+" is an IPv6 address with too many fields!"); if (num_seps == 0 && num_dots < 3) throw CoreException("The value of "+key+" looks to be a malformed IPv4 address"); if (num_seps == 0 && num_dots == 3 && not_numbers) throw CoreException("The value of "+key+" contains non-numeric characters in an IPv4 address"); if (num_seps != 0 && not_hex) throw CoreException("The value of "+key+" contains non-hexdecimal characters in an IPv6 address"); if (num_seps != 0 && num_dots != 3 && num_dots != 0) throw CoreException("The value of "+key+" is a malformed IPv6 4in6 address"); } } static void ValidHost(const std::string& p, const std::string& msg) { int num_dots = 0; if (p.empty() || p[0] == '.') throw CoreException("The value of "+msg+" is not a valid hostname"); for (unsigned int i=0;i < p.length();i++) { switch (p[i]) { case ' ': throw CoreException("The value of "+msg+" is not a valid hostname"); case '.': num_dots++; break; } } if (num_dots == 0) throw CoreException("The value of "+msg+" is not a valid hostname"); } // Specialized validators bool ServerConfig::ApplyDisabledCommands(const std::string& data) { std::stringstream dcmds(data); std::string thiscmd; /* Enable everything first */ for (Commandtable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++) x->second->Disable(false); /* Now disable all the ones which the user wants disabled */ while (dcmds >> thiscmd) { Commandtable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd); if (cm != ServerInstance->Parser->cmdlist.end()) { cm->second->Disable(true); } } return true; } #ifdef WINDOWS // Note: the windows validator is in win32wrapper.cpp void FindDNS(std::string& server); #else static void FindDNS(std::string& server) { if (!server.empty()) return; // attempt to look up their nameserver from /etc/resolv.conf ServerInstance->Logs->Log("CONFIG",DEFAULT,"WARNING: not defined, attempting to find working server in /etc/resolv.conf..."); std::ifstream resolv("/etc/resolv.conf"); while (resolv >> server) { if (server == "nameserver") { resolv >> server; ServerInstance->Logs->Log("CONFIG",DEFAULT," set to '%s' as first resolver in /etc/resolv.conf.",server.c_str()); return; } } ServerInstance->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!"); server = "127.0.0.1"; } #endif static void ReadXLine(ServerConfig* conf, const std::string& tag, const std::string& key, XLineFactory* make) { ConfigTagList tags = conf->ConfTags(tag); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* ctag = i->second; std::string mask; if (!ctag->readString(key, mask)) throw CoreException("<"+tag+":"+key+"> missing at " + ctag->getTagLocation()); std::string reason = ctag->getString("reason", ""); XLine* xl = make->Generate(ServerInstance->Time(), 0, "", reason, mask); if (!ServerInstance->XLines->AddLine(xl, NULL)) delete xl; } } typedef std::map LocalIndex; void ServerConfig::CrossCheckOperClassType() { LocalIndex operclass; ConfigTagList tags = ConfTags("class"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string name = tag->getString("name"); if (name.empty()) throw CoreException(" missing from tag at " + tag->getTagLocation()); operclass[name] = tag; } tags = ConfTags("type"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string name = tag->getString("name"); if (name.empty()) throw CoreException(" is missing from tag at " + tag->getTagLocation()); if (!ServerInstance->IsNick(name.c_str(), Limits.NickMax)) throw CoreException(" is invalid (value '" + name + "')"); OperInfo* ifo = new OperInfo; oper_blocks[" " + name] = ifo; ifo->type_block = tag; std::string classname; irc::spacesepstream str(tag->getString("classes")); while (str.GetToken(classname)) { LocalIndex::iterator cls = operclass.find(classname); if (cls == operclass.end()) throw CoreException("Oper type " + name + " has missing class " + classname); ifo->class_blocks.push_back(cls->second); } } tags = ConfTags("oper"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string name = tag->getString("name"); if (name.empty()) throw CoreException(" missing from tag at " + tag->getTagLocation()); std::string type = tag->getString("type"); OperIndex::iterator tblk = oper_blocks.find(" " + type); if (tblk == oper_blocks.end()) throw CoreException("Oper block " + name + " has missing type " + type); if (oper_blocks.find(name) != oper_blocks.end()) throw CoreException("Duplicate oper block with name " + name); OperInfo* ifo = new OperInfo; ifo->name = type; ifo->oper_block = tag; ifo->type_block = tblk->second->type_block; ifo->class_blocks.assign(tblk->second->class_blocks.begin(), tblk->second->class_blocks.end()); oper_blocks[name] = ifo; } } void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) { typedef std::map ClassMap; ClassMap oldBlocksByMask; if (current) { for(ClassVector::iterator i = current->Classes.begin(); i != current->Classes.end(); ++i) { ConnectClass* c = *i; std::string typeMask = (c->type == CC_ALLOW) ? "a" : "d"; typeMask += c->host; oldBlocksByMask[typeMask] = c; } } ClassMap newBlocksByMask; Classes.resize(config_data.count("connect")); std::map names; bool try_again = true; for(int tries=0; try_again; tries++) { try_again = false; ConfigTagList tags = ConfTags("connect"); int i=0; for(ConfigIter it = tags.first; it != tags.second; ++it, ++i) { ConfigTag* tag = it->second; if (Classes[i]) continue; ConnectClass* parent = NULL; std::string parentName = tag->getString("parent"); if (!parentName.empty()) { std::map::iterator parentIter = names.find(parentName); if (parentIter == names.end()) { try_again = true; // couldn't find parent this time. If it's the last time, we'll never find it. if (tries == 50) throw CoreException("Could not find parent connect class \"" + parentName + "\" for connect block " + ConvToStr(i)); continue; } parent = Classes[parentIter->second]; } std::string name = tag->getString("name"); if (!name.empty()) { if (names.find(name) != names.end()) throw CoreException("Two connect classes with name \"" + name + "\" defined!"); names[name] = i; } std::string mask, typeMask; char type; if (tag->readString("allow", mask, false)) { type = CC_ALLOW; typeMask = 'a' + mask; } else if (tag->readString("deny", mask, false)) { type = CC_DENY; typeMask = 'd' + mask; } else { throw CoreException("Connect class must have an allow or deny mask at " + tag->getTagLocation()); } ClassMap::iterator dupMask = newBlocksByMask.find(typeMask); if (dupMask != newBlocksByMask.end()) throw CoreException("Two connect classes cannot have the same mask (" + mask + ")"); ConnectClass* me = parent ? new ConnectClass(tag, type, mask, *parent) : new ConnectClass(tag, type, mask); if (!name.empty()) me->name = name; tag->readString("password", me->pass); tag->readString("hash", me->hash); me->registration_timeout = tag->getInt("timeout", me->registration_timeout); me->pingtime = tag->getInt("pingfreq", me->pingtime); std::string sendq; if (tag->readString("sendq", sendq)) { // attempt to guess a good hard/soft sendq from a single value long value = atol(sendq.c_str()); if (value > 16384) me->softsendqmax = value / 16; else me->softsendqmax = value; me->hardsendqmax = value * 8; } me->softsendqmax = tag->getInt("softsendq", me->softsendqmax); me->hardsendqmax = tag->getInt("hardsendq", me->hardsendqmax); me->recvqmax = tag->getInt("recvq", me->recvqmax); me->penaltythreshold = tag->getInt("threshold", me->penaltythreshold); me->maxlocal = tag->getInt("localmax", me->maxlocal); me->maxglobal = tag->getInt("globalmax", me->maxglobal); me->port = tag->getInt("port", me->port); me->maxchans = tag->getInt("maxchans", me->maxchans); me->limit = tag->getInt("limit", me->limit); ClassMap::iterator oldMask = oldBlocksByMask.find(typeMask); if (oldMask != oldBlocksByMask.end()) { ConnectClass* old = oldMask->second; oldBlocksByMask.erase(oldMask); old->Update(me); delete me; me = old; } newBlocksByMask[typeMask] = me; Classes[i] = me; } } } /** Represents a deprecated configuration tag. */ struct Deprecated { /** Tag name */ const char* tag; /** Tag value */ const char* value; /** Reason for deprecation */ const char* reason; }; static const Deprecated ChangedConfig[] = { {"options", "hidelinks", "has been moved to as of 1.2a3"}, {"options", "hidewhois", "has been moved to as of 1.2a3"}, {"options", "userstats", "has been moved to as of 1.2a3"}, {"options", "customversion", "has been moved to as of 1.2a3"}, {"options", "hidesplits", "has been moved to as of 1.2a3"}, {"options", "hidebans", "has been moved to as of 1.2a3"}, {"options", "hidekills", "has been moved to as of 1.2a3"}, {"options", "operspywhois", "has been moved to as of 1.2a3"}, {"options", "announceinvites", "has been moved to as of 1.2a3"}, {"options", "hidemodes", "has been moved to as of 1.2a3"}, {"options", "maxtargets", "has been moved to as of 1.2a3"}, {"options", "nouserdns", "has been moved to as of 1.2a3"}, {"options", "maxwho", "has been moved to as of 1.2a3"}, {"options", "softlimit", "has been moved to as of 1.2a3"}, {"options", "somaxconn", "has been moved to as of 1.2a3"}, {"options", "netbuffersize", "has been moved to as of 1.2a3"}, {"options", "maxwho", "has been moved to as of 1.2a3"}, {"options", "loglevel", "1.2 does not use the loglevel value. Please define tags instead."}, {"die", "value", "has always been deprecated"}, }; void ServerConfig::Fill() { ReqRead(this, "server", "name", ServerName); ReqRead(this, "power", "diepass", diepass); ReqRead(this, "power", "restartpass", restartpass); ConfigTag* options = ConfValue("options"); ConfigTag* security = ConfValue("security"); powerhash = ConfValue("power")->getString("hash"); DieDelay = ConfValue("power")->getInt("pause"); PrefixQuit = options->getString("prefixquit"); SuffixQuit = options->getString("suffixquit"); FixedQuit = options->getString("fixedquit"); PrefixPart = options->getString("prefixpart"); SuffixPart = options->getString("suffixpart"); FixedPart = options->getString("fixedpart"); SoftLimit = ConfValue("performance")->getInt("softlimit", ServerInstance->SE->GetMaxFds()); MaxConn = ConfValue("performance")->getInt("somaxconn", SOMAXCONN); MoronBanner = options->getString("moronbanner", "You're banned!"); ServerDesc = ConfValue("server")->getString("description", "Configure Me"); Network = ConfValue("server")->getString("network", "Network"); sid = ConfValue("server")->getString("id", ""); AdminName = ConfValue("admin")->getString("name", ""); AdminEmail = ConfValue("admin")->getString("email", "null@example.com"); AdminNick = ConfValue("admin")->getString("nick", "admin"); ModPath = ConfValue("path")->getString("moduledir", MOD_PATH); NetBufferSize = ConfValue("performance")->getInt("netbuffersize", 10240); MaxWhoResults = ConfValue("performance")->getInt("maxwho", 1024); dns_timeout = ConfValue("dns")->getInt("timeout", 5); DisabledCommands = ConfValue("disabled")->getString("commands", ""); DisabledDontExist = ConfValue("disabled")->getBool("fakenonexistant"); UserStats = security->getString("userstats"); CustomVersion = security->getString("customversion"); HideSplits = security->getBool("hidesplits"); HideBans = security->getBool("hidebans"); HideWhoisServer = security->getString("hidewhois"); HideKillsServer = security->getString("hidekills"); OperSpyWhois = security->getBool("operspywhois"); RestrictBannedUsers = security->getBool("restrictbannedusers", true); GenericOper = security->getBool("genericoper"); NoUserDns = ConfValue("performance")->getBool("nouserdns"); SyntaxHints = options->getBool("syntaxhints"); CycleHosts = options->getBool("cyclehosts"); UndernetMsgPrefix = options->getBool("ircumsgprefix"); FullHostInTopic = options->getBool("hostintopic"); MaxTargets = security->getInt("maxtargets", 20); DefaultModes = options->getString("defaultmodes", "nt"); PID = ConfValue("pid")->getString("file"); WhoWasGroupSize = ConfValue("whowas")->getInt("groupsize"); WhoWasMaxGroups = ConfValue("whowas")->getInt("maxgroups"); WhoWasMaxKeep = ServerInstance->Duration(ConfValue("whowas")->getString("maxkeep")); DieValue = ConfValue("die")->getString("value"); MaxChans = ConfValue("channels")->getInt("users"); OperMaxChans = ConfValue("channels")->getInt("opers"); c_ipv4_range = ConfValue("cidr")->getInt("ipv4clone"); c_ipv6_range = ConfValue("cidr")->getInt("ipv6clone"); Limits.NickMax = ConfValue("limits")->getInt("maxnick", 32); Limits.ChanMax = ConfValue("limits")->getInt("maxchan", 64); Limits.MaxModes = ConfValue("limits")->getInt("maxmodes", 20); Limits.IdentMax = ConfValue("limits")->getInt("maxident", 11); Limits.MaxQuit = ConfValue("limits")->getInt("maxquit", 255); Limits.MaxTopic = ConfValue("limits")->getInt("maxtopic", 307); Limits.MaxKick = ConfValue("limits")->getInt("maxkick", 255); Limits.MaxGecos = ConfValue("limits")->getInt("maxgecos", 128); Limits.MaxAway = ConfValue("limits")->getInt("maxaway", 200); InvBypassModes = options->getBool("invitebypassmodes", true); range(SoftLimit, 10, ServerInstance->SE->GetMaxFds(), ServerInstance->SE->GetMaxFds(), ""); range(MaxConn, 0, SOMAXCONN, SOMAXCONN, ""); range(MaxTargets, 1, 31, 20, ""); range(NetBufferSize, 1024, 65534, 10240, ""); range(MaxWhoResults, 1, 65535, 1024, ""); range(WhoWasGroupSize, 0, 10000, 10, ""); range(WhoWasMaxGroups, 0, 1000000, 10240, ""); range(WhoWasMaxKeep, 3600, INT_MAX, 3600, ""); ValidIP(DNSServer, ""); ValidHost(ServerName, ""); if (!sid.empty() && !ServerInstance->IsSID(sid)) throw CoreException(sid + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter."); ConfigTagList tags = ConfTags("uline"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string server; if (!tag->readString("server", server)) throw CoreException(" tag missing server at " + tag->getTagLocation()); ulines[assign(server)] = tag->getBool("silent"); } tags = ConfTags("banlist"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string chan; if (!tag->readString("chan", chan)) throw CoreException(" tag missing chan at " + tag->getTagLocation()); maxbans[chan] = tag->getInt("limit"); } ReadXLine(this, "badip", "ipmask", ServerInstance->XLines->GetFactory("Z")); ReadXLine(this, "badnick", "nick", ServerInstance->XLines->GetFactory("Q")); ReadXLine(this, "badhost", "host", ServerInstance->XLines->GetFactory("K")); ReadXLine(this, "exception", "host", ServerInstance->XLines->GetFactory("E")); memset(DisabledUModes, 0, sizeof(DisabledUModes)); for (const unsigned char* p = (const unsigned char*)ConfValue("disabled")->getString("usermodes").c_str(); *p; ++p) { if (*p < 'A' || *p > ('A' + 64)) throw CoreException(std::string("Invalid usermode ")+(char)*p+" was found."); DisabledUModes[*p - 'A'] = 1; } memset(DisabledCModes, 0, sizeof(DisabledCModes)); for (const unsigned char* p = (const unsigned char*)ConfValue("disabled")->getString("chanmodes").c_str(); *p; ++p) { if (*p < 'A' || *p > ('A' + 64)) throw CoreException(std::string("Invalid chanmode ")+(char)*p+" was found."); DisabledCModes[*p - 'A'] = 1; } memset(HideModeLists, 0, sizeof(HideModeLists)); for (const unsigned char* p = (const unsigned char*)ConfValue("security")->getString("hidemodes").c_str(); *p; ++p) HideModeLists[*p] = true; std::string v = security->getString("announceinvites"); if (v == "ops") AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS; else if (v == "all") AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL; else if (v == "dynamic") AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC; else AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE; Limits.Finalise(); } /* These tags MUST occur and must ONLY occur once in the config file */ static const char* const Once[] = { "server", "admin", "files", "power", "options" }; // WARNING: it is not safe to use most of the codebase in this function, as it // will run in the config reader thread void ServerConfig::Read() { /* Load and parse the config file, if there are any errors then explode */ ParseStack stack(this); try { valid = stack.ParseFile(ServerInstance->ConfigFileName, 0); } catch (CoreException& err) { valid = false; errstr << err.GetReason(); } if (valid) { ReadFile(MOTD, ConfValue("files")->getString("motd")); ReadFile(RULES, ConfValue("files")->getString("rules")); DNSServer = ConfValue("dns")->getString("server"); FindDNS(DNSServer); } } void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) { valid = true; /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */ try { /* Check we dont have more than one of singular tags, or any of them missing */ for (int Index = 0; Index * sizeof(*Once) < sizeof(Once); Index++) { std::string tag = Once[Index]; ConfigTagList tags = ConfTags(tag); if (tags.first == tags.second) throw CoreException("You have not defined a <"+tag+"> tag, this is required."); tags.first++; if (tags.first != tags.second) { errstr << "You have more than one <" << tag << "> tag.\n" << "First occurrence at " << ConfValue(tag)->getTagLocation() << "; second occurrence at " << tags.first->second->getTagLocation() << std::endl; } } for (int Index = 0; Index * sizeof(Deprecated) < sizeof(ChangedConfig); Index++) { std::string dummy; if (ConfValue(ChangedConfig[Index].tag)->readString(ChangedConfig[Index].value, dummy, true)) errstr << "Your configuration contains a deprecated value: <" << ChangedConfig[Index].tag << ":" << ChangedConfig[Index].value << "> - " << ChangedConfig[Index].reason << " (at " << ConfValue(ChangedConfig[Index].tag)->getTagLocation() << ")\n"; } Fill(); // Handle special items CrossCheckOperClassType(); CrossCheckConnectBlocks(old); } catch (CoreException &ce) { errstr << ce.GetReason(); } // write once here, to try it out and make sure its ok ServerInstance->WritePID(this->PID); /* * These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername. */ if (old) { this->ServerName = old->ServerName; this->sid = old->sid; this->cmdline = old->cmdline; // Same for ports... they're bound later on first run. 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() ? "" : i->first.c_str(), i->second.c_str()); errstr << buf; } } } User* user = useruid.empty() ? NULL : ServerInstance->FindNick(useruid); valid = errstr.str().empty(); if (!valid) ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file:"); while (errstr.good()) { std::string line; getline(errstr, line, '\n'); if (!line.empty()) { if (user) user->WriteServ("NOTICE %s :*** %s", user->nick.c_str(), line.c_str()); else ServerInstance->SNO->WriteGlobalSno('a', line); } if (!old) { // Starting up, so print it out so it's seen. XXX this is a bit of a hack. printf("%s\n", line.c_str()); } } 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->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick.c_str()); ServerInstance->SNO->WriteGlobalSno('a', "*** Successfully rehashed server."); } void ServerConfig::ApplyModules(User* user) { Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so"); if (whowas) WhowasRequest(NULL, whowas, WhowasRequest::WHOWAS_PRUNE).Send(); const std::vector v = ServerInstance->Modules->GetAllModuleNames(0); std::vector added_modules; std::set removed_modules(v.begin(), v.end()); ConfigTagList tags = ConfTags("module"); for(ConfigIter i = tags.first; i != tags.second; ++i) { ConfigTag* tag = i->second; std::string name; if (tag->readString("name", name)) { // if this module is already loaded, the erase will succeed, so we need do nothing // otherwise, we need to add the module (which will be done later) if (removed_modules.erase(name) == 0) added_modules.push_back(name); } } if (ConfValue("options")->getBool("allowhalfop") && removed_modules.erase("m_halfop.so") == 0) added_modules.push_back("m_halfop.so"); for (std::set::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++) { // Don't remove cmd_*.so, just remove m_*.so if (removing->c_str()[0] == 'c') continue; Module* m = ServerInstance->Modules->Find(*removing); if (m && ServerInstance->Modules->Unload(m)) { ServerInstance->SNO->WriteGlobalSno('a', "*** REHASH UNLOADED MODULE: %s",removing->c_str()); if (user) user->WriteNumeric(RPL_UNLOADEDMODULE, "%s %s :Module %s successfully unloaded.",user->nick.c_str(), removing->c_str(), removing->c_str()); else ServerInstance->SNO->WriteGlobalSno('a', "Module %s successfully unloaded.", removing->c_str()); } else { if (user) user->WriteNumeric(ERR_CANTUNLOADMODULE, "%s %s :Failed to unload module %s: %s",user->nick.c_str(), removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str()); else ServerInstance->SNO->WriteGlobalSno('a', "Failed to unload module %s: %s", removing->c_str(), ServerInstance->Modules->LastError().c_str()); } } for (std::vector::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++) { if (ServerInstance->Modules->Load(adding->c_str())) { ServerInstance->SNO->WriteGlobalSno('a', "*** REHASH LOADED MODULE: %s",adding->c_str()); if (user) user->WriteNumeric(RPL_LOADEDMODULE, "%s %s :Module %s successfully loaded.",user->nick.c_str(), adding->c_str(), adding->c_str()); else ServerInstance->SNO->WriteGlobalSno('a', "Module %s successfully loaded.", adding->c_str()); } else { if (user) user->WriteNumeric(ERR_CANTLOADMODULE, "%s %s :Failed to load module %s: %s",user->nick.c_str(), adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str()); else ServerInstance->SNO->WriteGlobalSno('a', "Failed to load module %s: %s", adding->c_str(), ServerInstance->Modules->LastError().c_str()); } } } bool ServerConfig::StartsWithWindowsDriveLetter(const std::string &path) { return (path.length() > 2 && isalpha(path[0]) && path[1] == ':'); } ConfigTag* ServerConfig::ConfValue(const std::string &tag) { ConfigDataHash::iterator iter = config_data.find(tag); if (iter == config_data.end()) return NULL; return iter->second; } ConfigTagList ServerConfig::ConfTags(const std::string& tag) { return config_data.equal_range(tag); } /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'. */ bool ServerConfig::ReadFile(file_cache &F, const std::string& fname) { if (fname.empty()) return false; char linebuf[MAXBUF]; F.clear(); FileWrapper file(fopen(fname.c_str(), "r")); if (!file) return false; while (!feof(file)) { if (fgets(linebuf, sizeof(linebuf), file)) linebuf[strlen(linebuf)-1] = 0; else *linebuf = 0; F.push_back(*linebuf ? linebuf : " "); } return true; } bool ServerConfig::FileExists(const char* file) { struct stat sb; if (stat(file, &sb) == -1) return false; if ((sb.st_mode & S_IFDIR) > 0) return false; FILE *input = fopen(file, "r"); if (input == NULL) return false; else { fclose(input); return true; } } const char* ServerConfig::CleanFilename(const char* name) { const char* p = name + strlen(name); while ((p != name) && (*p != '/') && (*p != '\\')) p--; return (p != name ? ++p : p); } std::string ServerConfig::GetSID() { return sid; } void ConfigReaderThread::Run() { Config->Read(); done = true; } void ConfigReaderThread::Finish() { ServerConfig* old = ServerInstance->Config; ServerInstance->Logs->Log("CONFIG",DEBUG,"Switching to new configuration..."); ServerInstance->Logs->CloseLogs(); ServerInstance->Config = this->Config; ServerInstance->Logs->OpenFileLogs(); Config->Apply(old, TheUserUID); if (Config->valid) { /* * Apply the changed configuration from the rehash. * * XXX: The order of these is IMPORTANT, do not reorder them without testing * thoroughly!!! */ ServerInstance->XLines->CheckELines(); ServerInstance->XLines->CheckELines(); ServerInstance->XLines->ApplyLines(); ServerInstance->Res->Rehash(); ServerInstance->ResetMaxBans(); Config->ApplyDisabledCommands(Config->DisabledCommands); User* user = TheUserUID.empty() ? ServerInstance->FindNick(TheUserUID) : NULL; FOREACH_MOD(I_OnRehash, OnRehash(user)); ServerInstance->BuildISupport(); Config = old; } else { // whoops, abort! ServerInstance->Logs->CloseLogs(); ServerInstance->Config = old; ServerInstance->Logs->OpenFileLogs(); } }