X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fconfigreader.cpp;h=c62973c8993388058aafeefc0192c59a778117bc;hb=92974819e3bf1c3a97b83f6f4ccc612283120794;hp=9a315fe0b4789eb396a061c278a1649c34f33db8;hpb=dcbb0ae938711cd49df73dc2ff6cd6289aeefb44;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/configreader.cpp b/src/configreader.cpp index 9a315fe0b..c62973c89 100644 --- a/src/configreader.cpp +++ b/src/configreader.cpp @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * InspIRCd: (C) 2002-2010 InspIRCd Development Team * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see @@ -30,351 +30,14 @@ #include "xline.h" #include "exitcodes.h" #include "commands/cmd_whowas.h" -#include "modes/cmode_h.h" - -struct fpos -{ - std::string filename; - int line; - int col; - fpos(const std::string& name, int l = 1, int c = 1) : filename(name), line(l), col(c) {} - std::string str() - { - return filename + ":" + ConvToStr(line) + ":" + ConvToStr(col); - } -}; - -enum ParseFlags -{ - FLAG_NO_EXEC = 1, - FLAG_NO_INC = 2 -}; - -struct ParseStack -{ - std::vector reading; - std::map vars; - ConfigDataHash& output; - std::stringstream& errstr; - - ParseStack(ServerConfig* conf) - : output(conf->config_data), errstr(conf->errstr) - { - vars["amp"] = "&"; - vars["quot"] = "\""; - vars["newline"] = vars["nl"] = "\n"; - } - bool ParseFile(const std::string& name, int flags); - bool ParseExec(const std::string& name, int flags); - void DoInclude(ConfigTag* includeTag, int flags); -}; - -struct Parser -{ - ParseStack& stack; - const int flags; - FILE* const file; - fpos current; - fpos last_tag; - reference tag; - int ungot; - - Parser(ParseStack& me, int myflags, FILE* conf, const std::string& name) - : stack(me), flags(myflags), file(conf), current(name), last_tag(name), ungot(-1) - { } - - int next(bool eof_ok = false) - { - if (ungot != -1) - { - int ch = ungot; - ungot = -1; - return ch; - } - int ch = fgetc(file); - if (ch == EOF && !eof_ok) - { - throw CoreException("Unexpected end-of-file"); - } - else if (ch == '\n') - { - current.line++; - current.col = 0; - } - else - { - current.col++; - } - return ch; - } - - void unget(int ch) - { - if (ungot != -1) - throw CoreException("INTERNAL ERROR: cannot unget twice"); - ungot = ch; - } - - void comment() - { - while (1) - { - int ch = next(); - if (ch == '\n') - return; - } - } - - void nextword(std::string& rv) - { - int ch = next(); - while (isspace(ch)) - ch = next(); - while (isalnum(ch) || ch == '_') - { - rv.push_back(ch); - ch = next(); - } - unget(ch); - } - - bool kv() - { - std::string key; - nextword(key); - int ch = next(); - if (ch == '>' && key.empty()) - { - return false; - } - else if (ch == '#' && key.empty()) - { - comment(); - return true; - } - else if (ch != '=') - { - throw CoreException("Invalid character " + std::string(1, ch) + " in key (" + key + ")"); - } - - std::string value; - ch = next(); - if (ch != '"') - { - throw CoreException("Invalid character in value of <" + tag->tag + ":" + key + ">"); - } - while (1) - { - ch = next(); - if (ch == '&') - { - std::string varname; - while (1) - { - ch = next(); - if (isalnum(ch)) - varname.push_back(ch); - else if (ch == ';') - break; - else - { - stack.errstr << "Invalid XML entity name in value of <" + tag->tag + ":" + key + ">\n" - << "To include an ampersand or quote, use & or "\n"; - throw CoreException("Parse error"); - } - } - std::map::iterator var = stack.vars.find(varname); - if (var == stack.vars.end()) - throw CoreException("Undefined XML entity reference '&" + varname + ";'"); - value.append(var->second); - } - else if (ch == '"') - break; - value.push_back(ch); - } - tag->items.push_back(KeyVal(key, value)); - return true; - } - - void dotag() - { - last_tag = current; - std::string name; - nextword(name); - - int spc = next(); - if (spc == '>') - unget(spc); - else if (!isspace(spc)) - throw CoreException("Invalid character in tag name"); - - if (name.empty()) - throw CoreException("Empty tag name"); - - tag = new ConfigTag(name, current.filename, current.line); - - while (kv()); - - if (name == "include") - { - stack.DoInclude(tag, flags); - } - else if (name == "define") - { - std::string varname = tag->getString("name"); - std::string value = tag->getString("value"); - if (varname.empty()) - throw CoreException("Variable definition must include variable name"); - stack.vars[varname] = value; - } - else - { - stack.output.insert(std::make_pair(name, tag)); - } - // this is not a leak; reference<> takes care of the delete - tag = NULL; - } - - bool outer_parse() - { - try - { - while (1) - { - int ch = next(true); - switch (ch) - { - case EOF: - // this is the one place where an EOF is not an error - return true; - case '#': - comment(); - break; - case '<': - dotag(); - break; - case ' ': - case '\r': - case '\t': - case '\n': - break; - case 0xFE: - case 0xFF: - stack.errstr << "Do not save your files as UTF-16; use ASCII!\n"; - default: - throw CoreException("Syntax error - start of tag expected"); - } - } - } - catch (CoreException& err) - { - stack.errstr << err.GetReason() << " at " << current.str(); - if (tag) - stack.errstr << " (inside tag " << tag->tag << " at line " << tag->src_line << ")\n"; - else - stack.errstr << " (last tag was on line " << last_tag.line << ")\n"; - } - return false; - } -}; - -void ParseStack::DoInclude(ConfigTag* tag, int flags) -{ - if (flags & FLAG_NO_INC) - throw CoreException("Invalid tag in file included with noinclude=\"yes\""); - std::string name; - if (tag->readString("file", name)) - { - if (tag->getBool("noinclude", false)) - flags |= FLAG_NO_INC; - if (tag->getBool("noexec", false)) - flags |= FLAG_NO_EXEC; - if (!ParseFile(name, flags)) - throw CoreException("Included"); - } - else if (tag->readString("executable", name)) - { - if (flags & FLAG_NO_EXEC) - throw CoreException("Invalid tag in file included with noexec=\"yes\""); - if (tag->getBool("noinclude", false)) - flags |= FLAG_NO_INC; - if (tag->getBool("noexec", true)) - flags |= FLAG_NO_EXEC; - if (!ParseExec(name, flags)) - throw CoreException("Included"); - } -} - -/** RAII wrapper on FILE* to close files on exceptions */ -struct FileWrapper -{ - FILE* const f; - FileWrapper(FILE* file) : f(file) {} - operator bool() { return f; } - operator FILE*() { return f; } - ~FileWrapper() - { - if (f) - fclose(f); - } -}; - -bool ParseStack::ParseFile(const std::string& name, int flags) -{ - ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading file %s", name.c_str()); - for (unsigned int t = 0; t < reading.size(); t++) - { - if (std::string(name) == reading[t]) - { - throw CoreException("File " + name + " is included recursively (looped inclusion)"); - } - } - - /* It's not already included, add it to the list of files we've loaded */ - - FileWrapper file(fopen(name.c_str(), "r")); - if (!file) - throw CoreException("Could not read \"" + name + "\" for include"); - - reading.push_back(name); - Parser p(*this, flags, file, name); - bool ok = p.outer_parse(); - reading.pop_back(); - return ok; -} - -bool ParseStack::ParseExec(const std::string& name, int flags) -{ - ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading executable %s", name.c_str()); - for (unsigned int t = 0; t < reading.size(); t++) - { - if (std::string(name) == reading[t]) - { - throw CoreException("Executable " + name + " is included recursively (looped inclusion)"); - } - } - - /* It's not already included, add it to the list of files we've loaded */ - - FileWrapper file(popen(name.c_str(), "r")); - if (!file) - throw CoreException("Could not open executable \"" + name + "\" for include"); - - reading.push_back(name); - Parser p(*this, flags, file, name); - bool ok = p.outer_parse(); - reading.pop_back(); - return ok; -} - -///////////////////////////////////////////////////////////////////////////// +#include "configparser.h" ServerConfig::ServerConfig() { WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0; NoUserDns = OperSpyWhois = HideBans = HideSplits = UndernetMsgPrefix = false; - CycleHosts = AllowHalfop = InvBypassModes = true; - dns_timeout = DieDelay = 5; + CycleHosts = InvBypassModes = true; + dns_timeout = 5; MaxTargets = 20; NetBufferSize = 10240; SoftLimit = ServerInstance->SE->GetMaxFds(); @@ -420,13 +83,6 @@ void ServerConfig::Send005(User* user) 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) { @@ -439,63 +95,11 @@ static void range(T& value, V min, V max, V def, const char* msg) } -/* 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"); - } + irc::sockets::sockaddrs dummy; + if (!irc::sockets::aptosa(ip, 0, dummy)) + throw CoreException("The value of "+key+" is not an IP address"); } static void ValidHost(const std::string& p, const std::string& msg) @@ -518,8 +122,6 @@ static void ValidHost(const std::string& p, const std::string& msg) throw CoreException("The value of "+msg+" is not a valid hostname"); } -// Specialized validators - bool ServerConfig::ApplyDisabledCommands(const std::string& data) { std::stringstream dcmds(data); @@ -665,8 +267,19 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) } } + int blk_count = config_data.count("connect"); + if (blk_count == 0) + { + // No connect blocks found; make a trivial default block + std::vector* items; + ConfigTag* tag = ConfigTag::create("connect", "", 0, items); + items->push_back(std::make_pair("allow", "*")); + config_data.insert(std::make_pair("connect", tag)); + blk_count = 1; + } + ClassMap newBlocksByMask; - Classes.resize(config_data.count("connect")); + Classes.resize(blk_count); std::map names; bool try_again = true; @@ -690,7 +303,7 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) { try_again = true; // couldn't find parent this time. If it's the last time, we'll never find it. - if (tries == 50) + if (tries >= blk_count) throw CoreException("Could not find parent connect class \"" + parentName + "\" for connect block " + ConvToStr(i)); continue; } @@ -698,13 +311,15 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) } std::string name = tag->getString("name"); - if (!name.empty()) + if (name.empty()) { - if (names.find(name) != names.end()) - throw CoreException("Two connect classes with name \"" + name + "\" defined!"); - names[name] = i; + name = "unnamed-" + ConvToStr(i); } + if (names.find(name) != names.end()) + throw CoreException("Two connect classes with name \"" + name + "\" defined!"); + names[name] = i; + std::string mask, typeMask; char type; @@ -730,8 +345,7 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) new ConnectClass(tag, type, mask, *parent) : new ConnectClass(tag, type, mask); - if (!name.empty()) - me->name = name; + me->name = name; tag->readString("password", me->pass); tag->readString("hash", me->hash); @@ -752,6 +366,8 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current) me->hardsendqmax = tag->getInt("hardsendq", me->hardsendqmax); me->recvqmax = tag->getInt("recvq", me->recvqmax); me->penaltythreshold = tag->getInt("threshold", me->penaltythreshold); + me->commandrate = tag->getInt("commandrate", me->commandrate); + me->fakelag = tag->getBool("fakelag", me->fakelag); me->maxlocal = tag->getInt("localmax", me->maxlocal); me->maxglobal = tag->getInt("globalmax", me->maxglobal); me->port = tag->getInt("port", me->port); @@ -807,19 +423,16 @@ static const Deprecated ChangedConfig[] = { {"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"}, + {"die", "value", "you need to reread your config"}, }; 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"); + diepass = ConfValue("power")->getString("diepass"); + restartpass = ConfValue("power")->getString("restartpass"); powerhash = ConfValue("power")->getString("hash"); - DieDelay = ConfValue("power")->getInt("pause"); PrefixQuit = options->getString("prefixquit"); SuffixQuit = options->getString("suffixquit"); FixedQuit = options->getString("fixedquit"); @@ -829,6 +442,7 @@ void ServerConfig::Fill() SoftLimit = ConfValue("performance")->getInt("softlimit", ServerInstance->SE->GetMaxFds()); MaxConn = ConfValue("performance")->getInt("somaxconn", SOMAXCONN); MoronBanner = options->getString("moronbanner", "You're banned!"); + ServerName = ConfValue("server")->getString("name"); ServerDesc = ConfValue("server")->getString("description", "Configure Me"); Network = ConfValue("server")->getString("network", "Network"); sid = ConfValue("server")->getString("id", ""); @@ -862,10 +476,10 @@ void ServerConfig::Fill() 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"); + MaxChans = ConfValue("channels")->getInt("users", 20); + OperMaxChans = ConfValue("channels")->getInt("opers", 60); + c_ipv4_range = ConfValue("cidr")->getInt("ipv4clone", 32); + c_ipv6_range = ConfValue("cidr")->getInt("ipv6clone", 128); Limits.NickMax = ConfValue("limits")->getInt("maxnick", 32); Limits.ChanMax = ConfValue("limits")->getInt("maxchan", 64); Limits.MaxModes = ConfValue("limits")->getInt("maxmodes", 20); @@ -948,9 +562,6 @@ void ServerConfig::Fill() 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() @@ -983,23 +594,6 @@ void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) /* 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; @@ -1023,6 +617,9 @@ void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) // write once here, to try it out and make sure its ok ServerInstance->WritePID(this->PID); + // Check errors before dealing with failed binds, since continuing on failed bind is wanted in some circumstances. + valid = errstr.str().empty(); + /* * These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername. */ @@ -1051,7 +648,6 @@ void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) 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:"); @@ -1085,9 +681,6 @@ void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) ServerInstance->Exit(EXIT_STATUS_CONFIG); } - if (ConfValue("options")->getBool("allowhalfop")) - ServerInstance->Modes->AddMode(new ModeChannelHalfOp); - return; } @@ -1104,18 +697,6 @@ void ServerConfig::Apply(ServerConfig* old, const std::string &useruid) void ServerConfig::ApplyModules(User* user) { - bool AllowHalfOp = ConfValue("options")->getBool("allowhalfop"); - ModeHandler* mh = ServerInstance->Modes->FindMode('h', MODETYPE_CHANNEL); - if (AllowHalfOp && !mh) { - ServerInstance->Logs->Log("CONFIG", DEFAULT, "Enabling halfop mode."); - mh = new ModeChannelHalfOp; - ServerInstance->Modes->AddMode(mh); - } else if (!AllowHalfOp && mh) { - ServerInstance->Logs->Log("CONFIG", DEFAULT, "Disabling halfop mode."); - ServerInstance->Modes->DelMode(mh); - delete mh; - } - Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so"); if (whowas) WhowasRequest(NULL, whowas, WhowasRequest::WHOWAS_PRUNE).Send(); @@ -1138,6 +719,9 @@ void ServerConfig::ApplyModules(User* user) } } + 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 @@ -1200,93 +784,6 @@ ConfigTagList ServerConfig::ConfTags(const std::string& tag) return config_data.equal_range(tag); } -bool ConfigTag::readString(const std::string& key, std::string& value, bool allow_lf) -{ - if (!this) - return false; - for(std::vector::iterator j = items.begin(); j != items.end(); ++j) - { - if(j->first != key) - continue; - value = j->second; - if (!allow_lf && (value.find('\n') != std::string::npos)) - { - ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + key + "> at " + getTagLocation() + - " contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces."); - for (std::string::iterator n = value.begin(); n != value.end(); n++) - if (*n == '\n') - *n = ' '; - } - return true; - } - return false; -} - -std::string ConfigTag::getString(const std::string& key, const std::string& def) -{ - std::string res = def; - readString(key, res); - return res; -} - -long ConfigTag::getInt(const std::string &key, long def) -{ - std::string result; - if(!readString(key, result)) - return def; - - const char* res_cstr = result.c_str(); - char* res_tail = NULL; - long res = strtol(res_cstr, &res_tail, 0); - if (res_tail == res_cstr) - return def; - switch (toupper(*res_tail)) - { - case 'K': - res= res* 1024; - break; - case 'M': - res= res* 1024 * 1024; - break; - case 'G': - res= res* 1024 * 1024 * 1024; - break; - } - return res; -} - -double ConfigTag::getFloat(const std::string &key, double def) -{ - std::string result; - if (!readString(key, result)) - return def; - return strtod(result.c_str(), NULL); -} - -bool ConfigTag::getBool(const std::string &key, bool def) -{ - std::string result; - if(!readString(key, result)) - return def; - - return (result == "yes" || result == "true" || result == "1" || result == "on"); -} - -std::string ConfigTag::getTagLocation() -{ - return src_name + ":" + ConvToStr(src_line); -} - -std::string OperInfo::getConfig(const std::string& key) -{ - std::string rv; - if (type_block) - type_block->readString(key, rv); - if (oper_block) - oper_block->readString(key, rv); - return rv; -} - /** 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) @@ -1348,7 +845,6 @@ std::string ServerConfig::GetSID() void ConfigReaderThread::Run() { - Config = new ServerConfig; Config->Read(); done = true; } @@ -1380,7 +876,7 @@ void ConfigReaderThread::Finish() FOREACH_MOD(I_OnRehash, OnRehash(user)); ServerInstance->BuildISupport(); - delete old; + Config = old; } else { @@ -1388,6 +884,5 @@ void ConfigReaderThread::Finish() ServerInstance->Logs->CloseLogs(); ServerInstance->Config = old; ServerInstance->Logs->OpenFileLogs(); - delete this->Config; } }