/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ /* $Core: libIRCDconfigreader */ /* $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: docs/inspircd.conf.example $(CONPATH) */ #include "inspircd.h" #include #include "xline.h" #include "exitcodes.h" #include "commands/cmd_whowas.h" std::vector old_module_names, new_module_names, added_modules, removed_modules; /* Needs forward declaration */ bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data); bool DoneELine(ServerConfig* conf, const char* tag); ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance) { this->ClearStack(); *sid = *ServerName = *Network = *ServerDesc = *AdminName = '\0'; *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0'; *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0'; *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0'; WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0; log_file = NULL; NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false; CycleHosts = writelog = AllowHalfop = true; dns_timeout = DieDelay = 5; MaxTargets = 20; NetBufferSize = 10240; SoftLimit = Instance->SE->GetMaxFds(); MaxConn = SOMAXCONN; MaxWhoResults = 0; debugging = 0; MaxChans = 20; OperMaxChans = 30; maxbans.clear(); DNSServerValidator = &ValidateDnsServer; } void ServerConfig::ClearStack() { include_stack.clear(); } Module* ServerConfig::GetIOHook(BufferedSocket* is) { std::map::iterator x = SocketIOHookModule.find(is); return (x != SocketIOHookModule.end() ? x->second : NULL); } bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is) { if (!GetIOHook(is)) { SocketIOHookModule[is] = iomod; is->IsIOHooked = true; return true; } else { throw ModuleException("BufferedSocket derived class already hooked by another module"); return false; } } bool ServerConfig::DelIOHook(BufferedSocket* is) { std::map::iterator x = SocketIOHookModule.find(is); if (x != SocketIOHookModule.end()) { SocketIOHookModule.erase(x); return true; } return false; } 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(005, "%s %s", user->nick.c_str(), line->c_str()); } bool ServerConfig::CheckOnce(const char* tag, ConfigDataHash &newconf) { int count = ConfValueEnum(newconf, tag); if (count > 1) { throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted."); return false; } if (count < 1) { throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required."); return false; } return true; } bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&) { return true; } bool DoneConfItem(ServerConfig* conf, const char* tag) { return true; } void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val) { for (const char* ptr = p; *ptr; ++ptr) { if (*ptr == ' ') throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces"); } } /* 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. */ void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild) { 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 <"+tag+":"+val+"> is not an IP address"); for (const char* ptr = p; *ptr; ++ptr) { if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/')) continue; 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 <"+tag+":"+val+"> is not an IP address"); case '.': num_dots++; break; case ':': num_seps++; break; } } if (num_dots > 3) throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!"); if (num_seps > 8) throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!"); if (num_seps == 0 && num_dots < 3 && !wild) throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address"); if (num_seps == 0 && num_dots == 3 && not_numbers) throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address"); if (num_seps != 0 && not_hex) throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address"); if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild) throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address"); } } void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val) { int num_dots = 0; if (*p) { if (*p == '.') throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname"); for (const char* ptr = p; *ptr; ++ptr) { switch (*ptr) { case ' ': throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname"); case '.': num_dots++; break; } } if (num_dots == 0) throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname"); } } bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data) { if ((data.GetInteger() < 0) || (data.GetInteger() > 31)) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: value is greater than 31 or less than 0, set to 20."); data.Set(20); } return true; } bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data) { if ((data.GetInteger() < 1) || (data.GetInteger() > conf->GetInstance()->SE->GetMaxFds())) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: value is greater than %d or less than 0, set to %d.",conf->GetInstance()->SE->GetMaxFds(),conf->GetInstance()->SE->GetMaxFds()); data.Set(conf->GetInstance()->SE->GetMaxFds()); } return true; } bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data) { if (data.GetInteger() > SOMAXCONN) conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: value may be higher than the system-defined SOMAXCONN value!"); return true; } bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance) { 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; } bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data) { if (!*(data.GetString())) { std::string nameserver; // attempt to look up their nameserver from /etc/resolv.conf conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: not defined, attempting to find working server in /etc/resolv.conf..."); std::ifstream resolv("/etc/resolv.conf"); bool found_server = false; if (resolv.is_open()) { while (resolv >> nameserver) { if ((nameserver == "nameserver") && (!found_server)) { resolv >> nameserver; data.Set(nameserver.c_str()); found_server = true; conf->GetInstance()->Logs->Log("CONFIG",DEFAULT," set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str()); } } if (!found_server) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!"); data.Set("127.0.0.1"); } } else { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!"); data.Set("127.0.0.1"); } } return true; } bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server name"); /* If we already have a servername, and they changed it, we should throw an exception. */ if (!strchr(data.GetString(), '.')) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.'); std::string moo = std::string(data.GetString()).append("."); data.Set(moo.c_str()); } conf->ValidateHostname(data.GetString(), "server", "name"); return true; } bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data) { if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024)) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240."); data.Set(10240); } return true; } bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data) { if ((data.GetInteger() > 65535) || (data.GetInteger() < 1)) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT," size out of range, setting to default of 128."); data.Set(128); } return true; } bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data) { conf->ReadFile(conf->MOTD, data.GetString()); return true; } bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data) { if (!*data.GetString()) throw CoreException(std::string("The value for ")+tag+" cannot be empty!"); return true; } bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data) { conf->ReadFile(conf->RULES, data.GetString()); return true; } bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data) { memset(conf->HideModeLists, 0, 256); for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x) conf->HideModeLists[*x] = true; return true; } bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data) { memset(conf->ExemptChanOps, 0, 256); for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x) conf->ExemptChanOps[*x] = true; return true; } bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data) { std::string v = data.GetString(); if (v == "ops") conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS; else if (v == "all") conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL; else if (v == "dynamic") conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC; else conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE; return true; } bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server id"); const char *sid = data.GetString(); if (*sid && !conf->GetInstance()->IsSID(sid)) { throw CoreException(std::string(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."); } strlcpy(conf->sid, sid, 5); return true; } bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data) { conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString()); if (conf->WhoWasGroupSize < 0) conf->WhoWasGroupSize = 0; if (conf->WhoWasMaxGroups < 0) conf->WhoWasMaxGroups = 0; if (conf->WhoWasMaxKeep < 3600) { conf->WhoWasMaxKeep = 3600; conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: value less than 3600, setting to default 3600"); } Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS"); if (whowas_command) { std::deque params; whowas_command->HandleInternal(WHOWAS_PRUNE, params); } return true; } /* Callback called before processing the first tag */ bool InitConnect(ServerConfig* conf, const char*) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes..."); for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; ) { ConnectClass* c = *i; /* only delete a class with refcount 0 */ if (c->RefCount == 0) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!"); /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good. * Now the increment is in the else { } below. */ conf->Classes.erase(i); i = conf->Classes.begin(); // start over so we don't trample on a bad iterator } else { /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */ c->SetDisabled(true); i++; } } return true; } /* Callback called to process a single tag */ bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*) { ConnectClass c; const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */ const char* deny = values[1].GetString(); const char* password = values[2].GetString(); int timeout = values[3].GetInteger(); int pingfreq = values[4].GetInteger(); int flood = values[5].GetInteger(); int threshold = values[6].GetInteger(); int sendq = values[7].GetInteger(); int recvq = values[8].GetInteger(); int localmax = values[9].GetInteger(); int globalmax = values[10].GetInteger(); int port = values[11].GetInteger(); const char* name = values[12].GetString(); const char* parent = values[13].GetString(); int maxchans = values[14].GetInteger(); unsigned long limit = values[15].GetInteger(); const char* hashtype = values[16].GetString(); /* * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes. * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t */ for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item) { ConnectClass* cc = *item; if ( ((*name && (cc->GetName() == name)) || // if the name is the same (*allow && (cc->GetHost() == allow)) || // or the allow is the same (*deny && (cc->GetHost() == deny))) && // or the deny is the same (!port || (port && (cc->GetPort() == port))) // and there is no port, or there is a port and the port is the same ) { /* reenable class so users can be shoved into it :P */ cc->SetDisabled(false); conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!"); return true; } } conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!"); if (*parent) { /* Find 'parent' and inherit a new class from it, * then overwrite any values that are set here */ ClassVector::iterator item = conf->Classes.begin(); for (; item != conf->Classes.end(); ++item) { ConnectClass* cc = *item; conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str()); if (cc->GetName() == parent) { ConnectClass* newclass = new ConnectClass(name, cc); newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit); conf->Classes.push_back(newclass); break; } } if (item == conf->Classes.end()) throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found."); } else { if (*allow) { /* Find existing class by mask, the mask should be unique */ for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item) { if ((*item)->GetHost() == allow) { (*item)->Update(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit); return true; } } ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans); cc->limit = limit; cc->SetPort(port); conf->Classes.push_back(cc); } else { /* Find existing class by mask, the mask should be unique */ for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item) { if ((*item)->GetHost() == deny) { (*item)->Update(name, deny); (*item)->SetPort(port); return true; } } ConnectClass* cc = new ConnectClass(name, deny); cc->SetPort(port); conf->Classes.push_back(cc); } } return true; } /* Callback called when there are no more tags */ bool DoneConnect(ServerConfig *conf, const char*) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!"); return true; } /* Callback called before processing the first tag */ bool InitULine(ServerConfig* conf, const char*) { conf->ulines.clear(); return true; } /* Callback called to process a single tag */ bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*) { const char* server = values[0].GetString(); const bool silent = values[1].GetBool(); conf->ulines[server] = silent; return true; } /* Callback called when there are no more tags */ bool DoneULine(ServerConfig*, const char*) { return true; } /* Callback called before processing the first tag */ bool InitModule(ServerConfig* conf, const char*) { old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0); new_module_names.clear(); added_modules.clear(); removed_modules.clear(); return true; } /* Callback called to process a single tag */ bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*) { const char* modname = values[0].GetString(); new_module_names.push_back(modname); return true; } /* Callback called when there are no more tags */ bool DoneModule(ServerConfig*, const char*) { // now create a list of new modules that are due to be loaded // and a seperate list of modules which are due to be unloaded for (std::vector::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++) { bool added = true; for (std::vector::iterator old = old_module_names.begin(); old != old_module_names.end(); old++) { if (*old == *_new) added = false; } if (added) added_modules.push_back(*_new); } for (std::vector::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++) { bool removed = true; for (std::vector::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++) { if (*newm == *oldm) removed = false; } if (removed) removed_modules.push_back(*oldm); } return true; } /* Callback called before processing the first tag */ bool InitMaxBans(ServerConfig* conf, const char*) { conf->maxbans.clear(); return true; } /* Callback called to process a single tag */ bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*) { const char* channel = values[0].GetString(); int limit = values[1].GetInteger(); conf->maxbans[channel] = limit; return true; } /* Callback called when there are no more tags. */ bool DoneMaxBans(ServerConfig*, const char*) { return true; } void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user) { ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str()); if (bail) { /* Unneeded because of the ServerInstance->Log() aboive? */ printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str()); ServerInstance->Exit(EXIT_STATUS_CONFIG); } else { std::string errors = errormessage; std::string::size_type start; unsigned int prefixlen; start = 0; /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */ if (user) { prefixlen = strlen(this->ServerName) + user->nick.length() + 11; user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick.c_str()); while (start < errors.length()) { user->WriteServ("NOTICE %s :%s",user->nick.c_str(), errors.substr(start, 510 - prefixlen).c_str()); start += 510 - prefixlen; } } else { ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:"); while (start < errors.length()) { ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360)); start += 360; } } return; } } void ServerConfig::Read(bool bail, User* user) { int rem = 0, add = 0; /* Number of modules added, number of modules removed */ static char maxkeep[MAXBUF]; /* Temporary buffer for WhoWasMaxKeep value */ static char hidemodes[MAXBUF]; /* Modes to not allow listing from users below halfop */ static char exemptchanops[MAXBUF]; /* Exempt channel ops from these modes */ static char announceinvites[MAXBUF]; /* options:announceinvites setting */ errstr.clear(); include_stack.clear(); /* These tags MUST occur and must ONLY occur once in the config file */ static const char* Once[] = { "server", "admin", "files", "power", "options", NULL }; 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."}, {NULL, NULL, NULL} }; /* These tags can occur ONCE or not at all */ InitialConfig Values[] = { {"performance", "softlimit", "0", new ValueContainerUInt (&this->SoftLimit), DT_INTEGER, ValidateSoftLimit}, {"performance", "somaxconn", SOMAXCONN_S, new ValueContainerInt (&this->MaxConn), DT_INTEGER, ValidateMaxConn}, {"options", "moronbanner", "Youre banned!", new ValueContainerChar (this->MoronBanner), DT_CHARPTR, NoValidation}, {"server", "name", "", new ValueContainerChar (this->ServerName), DT_HOSTNAME|DT_BOOTONLY, ValidateServerName}, {"server", "description", "Configure Me", new ValueContainerChar (this->ServerDesc), DT_CHARPTR, NoValidation}, {"server", "network", "Network", new ValueContainerChar (this->Network), DT_NOSPACES, NoValidation}, {"server", "id", "", new ValueContainerChar (this->sid), DT_CHARPTR|DT_BOOTONLY, ValidateSID}, {"admin", "name", "", new ValueContainerChar (this->AdminName), DT_CHARPTR, NoValidation}, {"admin", "email", "Mis@configu.red", new ValueContainerChar (this->AdminEmail), DT_CHARPTR, NoValidation}, {"admin", "nick", "Misconfigured", new ValueContainerChar (this->AdminNick), DT_CHARPTR, NoValidation}, {"files", "motd", "", new ValueContainerChar (this->motd), DT_CHARPTR, ValidateMotd}, {"files", "rules", "", new ValueContainerChar (this->rules), DT_CHARPTR, ValidateRules}, {"power", "diepass", "", new ValueContainerChar (this->diepass), DT_CHARPTR, ValidateNotEmpty}, {"power", "pause", "", new ValueContainerInt (&this->DieDelay), DT_INTEGER, NoValidation}, {"power", "hash", "", new ValueContainerChar (this->powerhash), DT_CHARPTR, NoValidation}, {"power", "restartpass", "", new ValueContainerChar (this->restartpass), DT_CHARPTR, ValidateNotEmpty}, {"options", "prefixquit", "", new ValueContainerChar (this->PrefixQuit), DT_CHARPTR, NoValidation}, {"options", "suffixquit", "", new ValueContainerChar (this->SuffixQuit), DT_CHARPTR, NoValidation}, {"options", "fixedquit", "", new ValueContainerChar (this->FixedQuit), DT_CHARPTR, NoValidation}, {"options", "prefixpart", "", new ValueContainerChar (this->PrefixPart), DT_CHARPTR, NoValidation}, {"options", "suffixpart", "", new ValueContainerChar (this->SuffixPart), DT_CHARPTR, NoValidation}, {"options", "fixedpart", "", new ValueContainerChar (this->FixedPart), DT_CHARPTR, NoValidation}, {"performance", "netbuffersize","10240", new ValueContainerInt (&this->NetBufferSize), DT_INTEGER, ValidateNetBufferSize}, {"performance", "maxwho", "128", new ValueContainerInt (&this->MaxWhoResults), DT_INTEGER, ValidateMaxWho}, {"options", "allowhalfop", "0", new ValueContainerBool (&this->AllowHalfop), DT_BOOLEAN, NoValidation}, {"dns", "server", "", new ValueContainerChar (this->DNSServer), DT_IPADDRESS,DNSServerValidator}, {"dns", "timeout", "5", new ValueContainerInt (&this->dns_timeout), DT_INTEGER, NoValidation}, {"options", "moduledir", MOD_PATH, new ValueContainerChar (this->ModPath), DT_CHARPTR, NoValidation}, {"disabled", "commands", "", new ValueContainerChar (this->DisabledCommands), DT_CHARPTR, NoValidation}, {"security", "userstats", "", new ValueContainerChar (this->UserStats), DT_CHARPTR, NoValidation}, {"security", "customversion","", new ValueContainerChar (this->CustomVersion), DT_CHARPTR, NoValidation}, {"security", "hidesplits", "0", new ValueContainerBool (&this->HideSplits), DT_BOOLEAN, NoValidation}, {"security", "hidebans", "0", new ValueContainerBool (&this->HideBans), DT_BOOLEAN, NoValidation}, {"security", "hidewhois", "", new ValueContainerChar (this->HideWhoisServer), DT_NOSPACES, NoValidation}, {"security", "hidekills", "", new ValueContainerChar (this->HideKillsServer), DT_NOSPACES, NoValidation}, {"security", "operspywhois", "0", new ValueContainerBool (&this->OperSpyWhois), DT_BOOLEAN, NoValidation}, {"performance", "nouserdns", "0", new ValueContainerBool (&this->NoUserDns), DT_BOOLEAN, NoValidation}, {"options", "syntaxhints", "0", new ValueContainerBool (&this->SyntaxHints), DT_BOOLEAN, NoValidation}, {"options", "cyclehosts", "0", new ValueContainerBool (&this->CycleHosts), DT_BOOLEAN, NoValidation}, {"options", "ircumsgprefix","0", new ValueContainerBool (&this->UndernetMsgPrefix), DT_BOOLEAN, NoValidation}, {"security", "announceinvites", "1", new ValueContainerChar (announceinvites), DT_CHARPTR, ValidateInvite}, {"options", "hostintopic", "1", new ValueContainerBool (&this->FullHostInTopic), DT_BOOLEAN, NoValidation}, {"security", "hidemodes", "", new ValueContainerChar (hidemodes), DT_CHARPTR, ValidateModeLists}, {"options", "exemptchanops","", new ValueContainerChar (exemptchanops), DT_CHARPTR, ValidateExemptChanOps}, {"security", "maxtargets", "20", new ValueContainerUInt (&this->MaxTargets), DT_INTEGER, ValidateMaxTargets}, {"options", "defaultmodes", "nt", new ValueContainerChar (this->DefaultModes), DT_CHARPTR, NoValidation}, {"pid", "file", "", new ValueContainerChar (this->PID), DT_CHARPTR, NoValidation}, {"whowas", "groupsize", "10", new ValueContainerInt (&this->WhoWasGroupSize), DT_INTEGER, NoValidation}, {"whowas", "maxgroups", "10240", new ValueContainerInt (&this->WhoWasMaxGroups), DT_INTEGER, NoValidation}, {"whowas", "maxkeep", "3600", new ValueContainerChar (maxkeep), DT_CHARPTR, ValidateWhoWas}, {"die", "value", "", new ValueContainerChar (this->DieValue), DT_CHARPTR, NoValidation}, {"channels", "users", "20", new ValueContainerUInt (&this->MaxChans), DT_INTEGER, NoValidation}, {"channels", "opers", "60", new ValueContainerUInt (&this->OperMaxChans), DT_INTEGER, NoValidation}, {"limits", "maxnick", "32", new ValueContainerST (&this->Limits.NickMax), DT_INTEGER, NoValidation}, {"limits", "maxchan", "64", new ValueContainerST (&this->Limits.ChanMax), DT_INTEGER, NoValidation}, {"limits", "maxmodes", "20", new ValueContainerST (&this->Limits.MaxModes), DT_INTEGER, NoValidation}, {"limits", "maxident", "11", new ValueContainerST (&this->Limits.IdentMax), DT_INTEGER, NoValidation}, {"limits", "maxquit", "255", new ValueContainerST (&this->Limits.MaxQuit), DT_INTEGER, NoValidation}, {"limits", "maxtopic", "307", new ValueContainerST (&this->Limits.MaxTopic), DT_INTEGER, NoValidation}, {"limits", "maxkick", "255", new ValueContainerST (&this->Limits.MaxKick), DT_INTEGER, NoValidation}, {"limits", "maxgecos", "128", new ValueContainerST (&this->Limits.MaxGecos), DT_INTEGER, NoValidation}, {"limits", "maxaway", "200", new ValueContainerST (&this->Limits.MaxAway), DT_INTEGER, NoValidation}, {NULL, NULL, NULL, NULL, DT_NOTHING, NoValidation} }; /* These tags can occur multiple times, and therefore they have special code to read them * which is different to the code for reading the singular tags listed above. */ MultiConfig MultiValues[] = { {"connect", {"allow", "deny", "password", "timeout", "pingfreq", "flood", "threshold", "sendq", "recvq", "localmax", "globalmax", "port", "name", "parent", "maxchans", "limit", "hash", NULL}, {"", "", "", "", "120", "", "", "", "", "3", "3", "0", "", "", "0", "0", "", NULL}, {DT_IPADDRESS|DT_ALLOW_WILD, DT_IPADDRESS|DT_ALLOW_WILD, DT_CHARPTR, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_NOSPACES, DT_NOSPACES, DT_INTEGER, DT_INTEGER, DT_CHARPTR}, InitConnect, DoConnect, DoneConnect}, {"uline", {"server", "silent", NULL}, {"", "0", NULL}, {DT_HOSTNAME, DT_BOOLEAN}, InitULine,DoULine,DoneULine}, {"banlist", {"chan", "limit", NULL}, {"", "", NULL}, {DT_CHARPTR, DT_INTEGER}, InitMaxBans, DoMaxBans, DoneMaxBans}, {"module", {"name", NULL}, {"", NULL}, {DT_CHARPTR}, InitModule, DoModule, DoneModule}, {"badip", {"reason", "ipmask", NULL}, {"No reason", "", NULL}, {DT_CHARPTR, DT_IPADDRESS|DT_ALLOW_WILD}, InitXLine, DoZLine, DoneConfItem}, {"badnick", {"reason", "nick", NULL}, {"No reason", "", NULL}, {DT_CHARPTR, DT_CHARPTR}, InitXLine, DoQLine, DoneConfItem}, {"badhost", {"reason", "host", NULL}, {"No reason", "", NULL}, {DT_CHARPTR, DT_CHARPTR}, InitXLine, DoKLine, DoneConfItem}, {"exception", {"reason", "host", NULL}, {"No reason", "", NULL}, {DT_CHARPTR, DT_CHARPTR}, InitXLine, DoELine, DoneELine}, {"type", {"name", "classes", NULL}, {"", "", NULL}, {DT_NOSPACES, DT_CHARPTR}, InitTypes, DoType, DoneClassesAndTypes}, {"class", {"name", "commands", "usermodes", "chanmodes", NULL}, {"", "", "", "", NULL}, {DT_NOSPACES, DT_CHARPTR, DT_CHARPTR, DT_CHARPTR}, InitClasses, DoClass, DoneClassesAndTypes}, {NULL, {NULL}, {NULL}, {0}, NULL, NULL, NULL} }; /* Load and parse the config file, if there are any errors then explode */ /* Make a copy here so if it fails then we can carry on running with an unaffected config */ newconfig.clear(); if (!this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr)) { ReportConfigError(errstr.str(), bail, user); return; } /* 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; Once[Index]; Index++) if (!CheckOnce(Once[Index], newconfig)) return; for (int Index = 0; ChangedConfig[Index].tag; Index++) { char item[MAXBUF]; *item = 0; if (ConfValue(newconfig, ChangedConfig[Index].tag, ChangedConfig[Index].value, "", 0, item, MAXBUF, true) || *item) throw CoreException(std::string("Your configuration contains a deprecated value: <") + ChangedConfig[Index].tag + ":" + ChangedConfig[Index].value + "> - " + ChangedConfig[Index].reason); else ServerInstance->Logs->Log("CONFIG",DEBUG,"Deprecated item <%s:%s> does not exist, good.", ChangedConfig[Index].tag, ChangedConfig[Index].value); } /* Read the values of all the tags which occur once or not at all, and call their callbacks. */ for (int Index = 0; Values[Index].tag; ++Index) { char item[MAXBUF]; int dt = Values[Index].datatype; bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0); bool allow_wild = ((dt & DT_ALLOW_WILD) > 0); bool bootonly = ((dt & DT_BOOTONLY) > 0); dt &= ~DT_ALLOW_NEWLINE; dt &= ~DT_ALLOW_WILD; dt &= ~DT_BOOTONLY; /* Silently ignore boot only values */ if (bootonly && !bail) continue; ConfValue(newconfig, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines); ValueItem vi(item); if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi)) throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information."); ServerInstance->Threads->Mutex(true); switch (dt) { case DT_NOSPACES: { ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val; this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value); vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1); } break; case DT_HOSTNAME: { ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val; this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value); vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1); } break; case DT_IPADDRESS: { ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val; this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild); vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1); } break; case DT_CHANNEL: { ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val; if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString(), MAXBUF)) { ServerInstance->Threads->Mutex(false); throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name"); } vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1); } break; case DT_CHARPTR: { ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val; /* Make sure we also copy the null terminator */ vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1); } break; case DT_INTEGER: { int val = vi.GetInteger(); ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val; vci->Set(&val, sizeof(int)); } break; case DT_BOOLEAN: { bool val = vi.GetBool(); ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val; vcb->Set(&val, sizeof(bool)); } break; default: /* You don't want to know what happens if someones bad code sends us here. */ break; } /* We're done with this now */ delete Values[Index].val; ServerInstance->Threads->Mutex(false); } /* Read the multiple-tag items (class tags, connect tags, etc) * and call the callbacks associated with them. We have three * callbacks for these, a 'start', 'item' and 'end' callback. */ for (int Index = 0; MultiValues[Index].tag; ++Index) { ServerInstance->Threads->Mutex(true); MultiValues[Index].init_function(this, MultiValues[Index].tag); ServerInstance->Threads->Mutex(false); int number_of_tags = ConfValueEnum(newconfig, MultiValues[Index].tag); for (int tagnum = 0; tagnum < number_of_tags; ++tagnum) { ValueList vl; for (int valuenum = 0; (MultiValues[Index].items[valuenum]) && (valuenum < MAX_VALUES_PER_TAG); ++valuenum) { int dt = MultiValues[Index].datatype[valuenum]; bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0); bool allow_wild = ((dt & DT_ALLOW_WILD) > 0); dt &= ~DT_ALLOW_NEWLINE; dt &= ~DT_ALLOW_WILD; ServerInstance->Threads->Mutex(true); /* We catch and rethrow any exception here just so we can free our mutex */ try { switch (dt) { case DT_NOSPACES: { char item[MAXBUF]; if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem("")); this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]); } break; case DT_HOSTNAME: { char item[MAXBUF]; if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem("")); this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]); } break; case DT_IPADDRESS: { char item[MAXBUF]; if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem("")); this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild); } break; case DT_CHANNEL: { char item[MAXBUF]; if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem("")); if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString(), MAXBUF)) throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name"); } break; case DT_CHARPTR: { char item[MAXBUF]; if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem("")); } break; case DT_INTEGER: { int item = 0; if (ConfValueInteger(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item)) vl.push_back(ValueItem(item)); else vl.push_back(ValueItem(0)); } break; case DT_BOOLEAN: { bool item = ConfValueBool(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum); vl.push_back(ValueItem(item)); } break; default: /* Someone was smoking craq if we got here, and we're all gonna die. */ break; } } catch (CoreException &e) { ServerInstance->Threads->Mutex(false); throw e; } ServerInstance->Threads->Mutex(false); } MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype); } MultiValues[Index].finish_function(this, MultiValues[Index].tag); } /* Finalise the limits, increment them all by one so that we can just put assign(str, 0, val) * rather than assign(str, 0, val + 1) */ Limits.Finalise(); } catch (CoreException &ce) { ReportConfigError(ce.GetReason(), bail, user); return; } ServerInstance->Threads->Mutex(true); for (int i = 0; i < ConfValueEnum(newconfig, "type"); ++i) { char item[MAXBUF], classn[MAXBUF], classes[MAXBUF]; std::string classname; ConfValue(newconfig, "type", "classes", "", i, classes, MAXBUF, false); irc::spacesepstream str(classes); ConfValue(newconfig, "type", "name", "", i, item, MAXBUF, false); while (str.GetToken(classname)) { std::string lost; bool foundclass = false; for (int j = 0; j < ConfValueEnum(newconfig, "class"); ++j) { ConfValue(newconfig, "class", "name", "", j, classn, MAXBUF, false); if (!strcmp(classn, classname.c_str())) { foundclass = true; break; } } if (!foundclass) { if (user) user->WriteServ("NOTICE %s :*** Warning: Oper type '%s' has a missing class named '%s', this does nothing!", user->nick.c_str(), item, classname.c_str()); else { if (bail) printf("Warning: Oper type '%s' has a missing class named '%s', this does nothing!\n", item, classname.c_str()); else ServerInstance->SNO->WriteToSnoMask('A', "Warning: Oper type '%s' has a missing class named '%s', this does nothing!", item, classname.c_str()); } } } } /* If we succeeded, set the ircd config to the new one */ this->config_data = newconfig; ServerInstance->Threads->Mutex(false); // write once here, to try it out and make sure its ok ServerInstance->WritePID(this->PID); /* Switch over logfiles */ ServerInstance->Logs->CloseLogs(); ServerInstance->Logs->OpenFileLogs(); ServerInstance->Logs->Log("CONFIG", DEFAULT, "Done reading configuration file."); /* If we're rehashing, let's load any new modules, and unload old ones */ if (!bail) { int found_ports = 0; FailedPortList pl; ServerInstance->BindPorts(false, found_ports, pl); if (pl.size() && user) { ServerInstance->Threads->Mutex(true); user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick.c_str()); user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick.c_str()); int j = 1; for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++) { user->WriteServ("NOTICE %s :*** %d. IP: %s Port: %lu", user->nick.c_str(), j, i->first.empty() ? "" : i->first.c_str(), (unsigned long)i->second); } ServerInstance->Threads->Mutex(false); } ServerInstance->Threads->Mutex(true); if (!removed_modules.empty()) { for (std::vector::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++) { if (ServerInstance->Modules->Unload(removing->c_str())) { ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str()); if (user) user->WriteNumeric(973, "%s %s :Module %s successfully unloaded.",user->nick.c_str(), removing->c_str(), removing->c_str()); rem++; } else { if (user) user->WriteNumeric(972, "%s %s :Failed to unload module %s: %s",user->nick.c_str(), removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str()); } } } if (!added_modules.empty()) { for (std::vector::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++) { if (ServerInstance->Modules->Load(adding->c_str())) { ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str()); if (user) user->WriteNumeric(975, "%s %s :Module %s successfully loaded.",user->nick.c_str(), adding->c_str(), adding->c_str()); add++; } else { if (user) user->WriteNumeric(974, "%s %s :Failed to load module %s: %s",user->nick.c_str(), adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str()); } } } ServerInstance->Logs->Log("CONFIG", DEFAULT, "Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size()); ServerInstance->Threads->Mutex(false); } if (bail) { /** Note: This is safe, the method checks for user == NULL */ ServerInstance->Threads->Mutex(true); ServerInstance->Parser->SetupCommandTable(user); ServerInstance->Threads->Mutex(false); } else { if (user) user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick.c_str()); else ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server."); } } bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream) { std::string line; char ch; long linenumber = 1; long last_successful_parse = 1; bool in_tag; bool in_quote; bool in_comment; int character_count = 0; in_tag = false; in_quote = false; in_comment = false; ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename); /* Check if the file open failed first */ if (!conf) { errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl; return false; } for (unsigned int t = 0; t < include_stack.size(); t++) { if (std::string(filename) == include_stack[t]) { errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl; return false; } } /* It's not already included, add it to the list of files we've loaded */ include_stack.push_back(filename); /* Start reading characters... */ while ((ch = fgetc(conf)) != EOF) { /* * Fix for moronic windows issue spotted by Adremelech. * Some windows editors save text files as utf-16, which is * a total pain in the ass to parse. Users should save in the * right config format! If we ever see a file where the first * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then * this is most likely a utf-16 file. Bail out and insult user. */ if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE')) { errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl; return false; } /* * Here we try and get individual tags on separate lines, * this would be so easy if we just made people format * their config files like that, but they don't so... * We check for a '<' and then know the line is over when * we get a '>' not inside quotes. If we find two '<' and * no '>' then die with an error. */ if ((ch == '#') && !in_quote) in_comment = true; switch (ch) { case '\n': if (in_quote) line += '\n'; linenumber++; case '\r': if (!in_quote) in_comment = false; case '\0': continue; case '\t': ch = ' '; } if(in_comment) continue; /* XXX: Added by Brain, May 1st 2006 - Escaping of characters. * Note that this WILL NOT usually allow insertion of newlines, * because a newline is two characters long. Use it primarily to * insert the " symbol. * * Note that this also involves a further check when parsing the line, * which can be found below. */ if ((ch == '\\') && (in_quote) && (in_tag)) { line += ch; char real_character; if (!feof(conf)) { real_character = fgetc(conf); if (real_character == 'n') real_character = '\n'; line += real_character; continue; } else { errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl; return false; } } if (ch != '\r') line += ch; if ((ch != '<') && (!in_tag) && (!in_comment) && (ch > ' ') && (ch != 9)) { errorstream << "You have stray characters beyond the tag which starts at " << filename << ":" << last_successful_parse << std::endl; return false; } if (ch == '<') { if (in_tag) { if (!in_quote) { errorstream << "The tag at location " << filename << ":" << last_successful_parse << " was valid, but there is an error in the tag which comes after it. You are possibly missing a \" or >. Please check this." << std::endl; return false; } } else { if (in_quote) { errorstream << "Parser error: Inside a quote but not within the last valid tag, which was opened at: " << filename << ":" << last_successful_parse << std::endl; return false; } else { // errorstream << "Opening new config tag on line " << linenumber << std::endl; in_tag = true; } } } else if (ch == '"') { if (in_tag) { if (in_quote) { // errorstream << "Closing quote in config tag on line " << linenumber << std::endl; in_quote = false; } else { // errorstream << "Opening quote in config tag on line " << linenumber << std::endl; in_quote = true; } } else { if (in_quote) { errorstream << "The tag immediately after the one at " << filename << ":" << last_successful_parse << " has a missing closing \" symbol. Please check this." << std::endl; } else { errorstream << "You have opened a quote (\") beyond the tag at " << filename << ":" << last_successful_parse << " without opening a new tag. Please check this." << std::endl; } } } else if (ch == '>') { if (!in_quote) { if (in_tag) { // errorstream << "Closing config tag on line " << linenumber << std::endl; in_tag = false; /* * If this finds an then ParseLine can simply call * LoadConf() and load the included config into the same ConfigDataHash */ long bl = linenumber; if (!this->ParseLine(target, filename, line, linenumber, errorstream)) return false; last_successful_parse = linenumber; linenumber = bl; line.clear(); } else { errorstream << "You forgot to close the tag which comes immediately after the one at " << filename << ":" << last_successful_parse << std::endl; return false; } } } } /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */ if (in_comment || in_quote) { errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \ is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl; } return true; } bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream) { return this->LoadConf(target, conf, filename.c_str(), errorstream); } bool ServerConfig::ParseLine(ConfigDataHash &target, const std::string &filename, std::string &line, long &linenumber, std::ostringstream &errorstream) { std::string tagname; std::string current_key; std::string current_value; KeyValList results; char last_char = 0; bool got_name; bool got_key; bool in_quote; got_name = got_key = in_quote = false; for(std::string::iterator c = line.begin(); c != line.end(); c++) { if (!got_name) { /* We don't know the tag name yet. */ if (*c != ' ') { if (*c != '<') { if ((*c >= 'a' && *c <= 'z') || (*c >= 'A' && *c <='Z') || (*c >= '0' && *c <= '9') || *c == '_') tagname += *c; else { errorstream << "Invalid character in value name of tag: '" << *c << "' in value '" << tagname << "' in filename: " << filename << ":" << linenumber << std::endl; return false; } } } else { /* We got to a space, we should have the tagname now. */ if(tagname.length()) { got_name = true; } } } else { /* We have the tag name */ if (!got_key) { /* We're still reading the key name */ if ((*c != '=') && (*c != '>')) { if (*c != ' ') { if ((*c >= 'a' && *c <= 'z') || (*c >= 'A' && *c <='Z') || (*c >= '0' && *c <= '9') || *c == '_') current_key += *c; else { errorstream << "Invalid character in key: '" << *c << "' in key '" << current_key << "' in filename: " << filename << ":" << linenumber << std::endl; return false; } } } else { /* We got an '=', end of the key name. */ got_key = true; } } else { /* We have the key name, now we're looking for quotes and the value */ /* Correctly handle escaped characters here. * See the XXX'ed section above. */ if ((*c == '\\') && (in_quote)) { c++; if (*c == 'n') current_value += '\n'; else current_value += *c; continue; } else if ((*c == '\\') && (!in_quote)) { errorstream << "You can't have an escape sequence outside of a quoted section: " << filename << ":" << linenumber << std::endl; return false; } else if ((*c == '\n') && (in_quote)) { /* Got a 'real' \n, treat it as part of the value */ current_value += '\n'; continue; } else if ((*c == '\r') && (in_quote)) { /* Got a \r, drop it */ continue; } if (*c == '"') { if (!in_quote) { /* We're not already in a quote. */ in_quote = true; } else { /* Leaving the quotes, we have the current value */ results.push_back(KeyVal(current_key, current_value)); // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl; in_quote = false; got_key = false; if ((tagname == "include") && (current_key == "file")) { if (!this->DoInclude(target, current_value, errorstream)) return false; } else if ((tagname == "include") && (current_key == "executable")) { /* Pipe an executable and use its stdout as config data */ if (!this->DoPipe(target, current_value, errorstream)) return false; } current_key.clear(); current_value.clear(); } } else { if (in_quote) { last_char = *c; current_value += *c; } } } } } /* Finished parsing the tag, add it to the config hash */ target.insert(std::pair (tagname, results)); return true; } bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream) { FILE* conf = popen(file.c_str(), "r"); bool ret = false; if (conf) { ret = LoadConf(target, conf, file.c_str(), errorstream); pclose(conf); } else errorstream << "Couldn't execute: " << file << std::endl; return ret; } bool ServerConfig::StartsWithWindowsDriveLetter(const std::string &path) { return (path.length() > 2 && isalpha(path[0]) && path[1] == ':'); } bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream) { std::string confpath; std::string newfile; std::string::size_type pos; confpath = ServerInstance->ConfigFileName; newfile = file; std::replace(newfile.begin(),newfile.end(),'\\','/'); std::replace(confpath.begin(),confpath.end(),'\\','/'); if ((newfile[0] != '/') && (!StartsWithWindowsDriveLetter(newfile))) { if((pos = confpath.rfind("/")) != std::string::npos) { /* Leaves us with just the path */ newfile = confpath.substr(0, pos) + std::string("/") + newfile; } else { errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl; return false; } } FILE* conf = fopen(newfile.c_str(), "r"); bool ret = false; if (conf) { ret = LoadConf(target, conf, newfile, errorstream); fclose(conf); } else errorstream << "Couldn't open config file: " << file << std::endl; return ret; } bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds) { return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds); } bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds) { std::string value; bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds); strlcpy(result, value.c_str(), length); return r; } bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds) { return ConfValue(target, tag, var, "", index, result, allow_linefeeds); } bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds) { ConfigDataHash::size_type pos = index; if (pos < target.count(tag)) { ConfigDataHash::iterator iter = target.find(tag); for(int i = 0; i < index; i++) iter++; for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++) { if(j->first == var) { if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos)) { ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces."); for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++) if (*n == '\n') *n = ' '; } else { result = j->second; return true; } } } if (!default_value.empty()) { result = default_value; return true; } } else if (pos == 0) { if (!default_value.empty()) { result = default_value; return true; } } return false; } bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result) { return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result); } bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result) { return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result); } bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result) { return ConfValueInteger(target, tag, var, "", index, result); } bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result) { std::string value; std::istringstream stream; bool r = ConfValue(target, tag, var, default_value, index, value); stream.str(value); if(!(stream >> result)) return false; else { if (!value.empty()) { if (value.substr(0,2) == "0x") { char* endptr; value.erase(0,2); result = strtol(value.c_str(), &endptr, 16); /* No digits found */ if (endptr == value.c_str()) return false; } else { char denominator = *(value.end() - 1); switch (toupper(denominator)) { case 'K': /* Kilobytes -> bytes */ result = result * 1024; break; case 'M': /* Megabytes -> bytes */ result = result * 1024 * 1024; break; case 'G': /* Gigabytes -> bytes */ result = result * 1024 * 1024 * 1024; break; } } } } return r; } bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index) { return ConfValueBool(target, std::string(tag), std::string(var), "", index); } bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index) { return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index); } bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index) { return ConfValueBool(target, tag, var, "", index); } bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index) { std::string result; if(!ConfValue(target, tag, var, default_value, index, result)) return false; return ((result == "yes") || (result == "true") || (result == "1")); } int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag) { return target.count(tag); } int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag) { return target.count(tag); } int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index) { return ConfVarEnum(target, std::string(tag), index); } int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index) { ConfigDataHash::size_type pos = index; if (pos < target.count(tag)) { ConfigDataHash::const_iterator iter = target.find(tag); for(int i = 0; i < index; i++) iter++; return iter->second.size(); } return 0; } /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'. */ bool ServerConfig::ReadFile(file_cache &F, const char* fname) { if (!fname || !*fname) return false; FILE* file = NULL; char linebuf[MAXBUF]; F.clear(); if ((*fname != '/') && (*fname != '\\') && (!StartsWithWindowsDriveLetter(fname))) { std::string::size_type pos; std::string confpath = ServerInstance->ConfigFileName; std::string newfile = fname; if (((pos = confpath.rfind("/"))) != std::string::npos) newfile = confpath.substr(0, pos) + std::string("/") + fname; else if (((pos = confpath.rfind("\\"))) != std::string::npos) newfile = confpath.substr(0, pos) + std::string("\\") + fname; ServerInstance->Logs->Log("config", DEBUG, "Filename: %s", newfile.c_str()); if (!FileExists(newfile.c_str())) return false; file = fopen(newfile.c_str(), "r"); } else { if (!FileExists(fname)) return false; file = fopen(fname, "r"); } if (file) { while (!feof(file)) { if (fgets(linebuf, sizeof(linebuf), file)) linebuf[strlen(linebuf)-1] = 0; else *linebuf = 0; F.push_back(*linebuf ? linebuf : " "); } fclose(file); } else return false; 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; if ((input = fopen (file, "r")) == NULL) return false; else { fclose(input); return true; } } char* ServerConfig::CleanFilename(char* name) { char* p = name + strlen(name); while ((p != name) && (*p != '/') && (*p != '\\')) p--; return (p != name ? ++p : p); } bool ServerConfig::DirValid(const char* dirandfile) { #ifdef WINDOWS return true; #else char work[1024]; char buffer[1024]; char otherdir[1024]; int p; strlcpy(work, dirandfile, 1024); p = strlen(work); // we just want the dir while (*work) { if (work[p] == '/') { work[p] = '\0'; break; } work[p--] = '\0'; } // Get the current working directory if (getcwd(buffer, 1024 ) == NULL ) return false; if (chdir(work) == -1) return false; if (getcwd(otherdir, 1024 ) == NULL ) return false; if (chdir(buffer) == -1) return false; size_t t = strlen(work); if (strlen(otherdir) >= t) { otherdir[t] = '\0'; if (!strcmp(otherdir,work)) { return true; } return false; } else { return false; } #endif } std::string ServerConfig::GetFullProgDir() { char buffer[PATH_MAX]; #ifdef WINDOWS /* Windows has specific api calls to get the exe path that never fail. * For once, windows has something of use, compared to the POSIX code * for this, this is positively neato. */ if (GetModuleFileName(NULL, buffer, MAX_PATH)) { std::string fullpath = buffer; std::string::size_type n = fullpath.rfind("\\inspircd.exe"); return std::string(fullpath, 0, n); } #else // Get the current working directory if (getcwd(buffer, PATH_MAX)) { std::string remainder = this->argv[0]; /* Does argv[0] start with /? its a full path, use it */ if (remainder[0] == '/') { std::string::size_type n = remainder.rfind("/inspircd"); return std::string(remainder, 0, n); } std::string fullpath = std::string(buffer) + "/" + remainder; std::string::size_type n = fullpath.rfind("/inspircd"); return std::string(fullpath, 0, n); } #endif return "/"; } InspIRCd* ServerConfig::GetInstance() { return ServerInstance; } std::string ServerConfig::GetSID() { return sid; } ValueItem::ValueItem(int value) { std::stringstream n; n << value; v = n.str(); } ValueItem::ValueItem(bool value) { std::stringstream n; n << value; v = n.str(); } ValueItem::ValueItem(const char* value) { v = value; } void ValueItem::Set(const char* value) { v = value; } void ValueItem::Set(int value) { std::stringstream n; n << value; v = n.str(); } int ValueItem::GetInteger() { if (v.empty()) return 0; return atoi(v.c_str()); } char* ValueItem::GetString() { return (char*)v.c_str(); } bool ValueItem::GetBool() { return (GetInteger() || v == "yes" || v == "true"); } /* * XXX should this be in a class? -- w00t */ bool InitTypes(ServerConfig* conf, const char*) { if (conf->opertypes.size()) { for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++) { if (n->second) delete[] n->second; } } conf->opertypes.clear(); return true; } /* * XXX should this be in a class? -- w00t */ bool InitClasses(ServerConfig* conf, const char*) { if (conf->operclass.size()) { for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++) { if (n->second.commandlist) delete[] n->second.commandlist; if (n->second.cmodelist) delete[] n->second.cmodelist; if (n->second.umodelist) delete[] n->second.umodelist; } } conf->operclass.clear(); return true; } /* * XXX should this be in a class? -- w00t */ bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*) { const char* TypeName = values[0].GetString(); const char* Classes = values[1].GetString(); conf->opertypes[TypeName] = strnewdup(Classes); return true; } /* * XXX should this be in a class? -- w00t */ bool DoClass(ServerConfig* conf, const char* tag, char**, ValueList &values, int*) { const char* ClassName = values[0].GetString(); const char* CommandList = values[1].GetString(); const char* UModeList = values[2].GetString(); const char* CModeList = values[3].GetString(); for (const char* c = UModeList; *c; ++c) { if ((*c < 'A' || *c > 'z') && *c != '*') { throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in "); } } for (const char* c = CModeList; *c; ++c) { if ((*c < 'A' || *c > 'z') && *c != '*') { throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in "); } } conf->operclass[ClassName].commandlist = strnewdup(CommandList); conf->operclass[ClassName].umodelist = strnewdup(UModeList); conf->operclass[ClassName].cmodelist = strnewdup(CModeList); return true; } /* * XXX should this be in a class? -- w00t */ bool DoneClassesAndTypes(ServerConfig*, const char*) { return true; } bool InitXLine(ServerConfig* conf, const char* tag) { return true; } bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) { const char* reason = values[0].GetString(); const char* ipmask = values[1].GetString(); ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "", reason, ipmask); if (!conf->GetInstance()->XLines->AddLine(zl, NULL)) delete zl; return true; } bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) { const char* reason = values[0].GetString(); const char* nick = values[1].GetString(); QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "", reason, nick); if (!conf->GetInstance()->XLines->AddLine(ql, NULL)) delete ql; return true; } bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) { const char* reason = values[0].GetString(); const char* host = values[1].GetString(); XLineManager* xlm = conf->GetInstance()->XLines; IdentHostPair ih = xlm->IdentSplit(host); KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "", reason, ih.first.c_str(), ih.second.c_str()); if (!xlm->AddLine(kl, NULL)) delete kl; return true; } bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) { const char* reason = values[0].GetString(); const char* host = values[1].GetString(); XLineManager* xlm = conf->GetInstance()->XLines; IdentHostPair ih = xlm->IdentSplit(host); ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "", reason, ih.first.c_str(), ih.second.c_str()); if (!xlm->AddLine(el, NULL)) delete el; return true; } // this should probably be moved to configreader, but atm it relies on CheckELines above. bool DoneELine(ServerConfig* conf, const char* tag) { for (std::vector::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++) { User* u = (User*)(*u2); u->exempt = false; } conf->GetInstance()->XLines->CheckELines(); return true; } void ConfigReaderThread::Run() { /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */ ServerInstance->Config->Read(do_bail, TheUser); ServerInstance->Threads->Mutex(true); this->SetExitFlag(); ServerInstance->Threads->Mutex(false); }