/* * InspIRCd -- Internet Relay Chat Daemon * * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com> * Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc> * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org> * * This file is part of InspIRCd. InspIRCd is free software: you can * redistribute it and/or modify it under the terms of the GNU General Public * License as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "inspircd.h" #include "modules/httpd.h" #include "xline.h" class ModuleHttpStats : public Module, public HTTPRequestEventListener { static const insp::flat_map<char, char const*>& entities; HTTPdAPI API; public: ModuleHttpStats() : HTTPRequestEventListener(this) , API(this) { } std::string Sanitize(const std::string &str) { std::string ret; ret.reserve(str.length() * 2); for (std::string::const_iterator x = str.begin(); x != str.end(); ++x) { insp::flat_map<char, char const*>::const_iterator it = entities.find(*x); if (it != entities.end()) { ret += '&'; ret += it->second; ret += ';'; } else if (*x == 0x09 || *x == 0x0A || *x == 0x0D || ((*x >= 0x20) && (*x <= 0x7e))) { // The XML specification defines the following characters as valid inside an XML document: // Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] ret += *x; } else { // If we reached this point then the string contains characters which can // not be represented in XML, even using a numeric escape. Therefore, we // Base64 encode the entire string and wrap it in a CDATA. ret.clear(); ret += "<![CDATA["; ret += BinToBase64(str); ret += "]]>"; break; } } return ret; } void DumpMeta(std::stringstream& data, Extensible* ext) { data << "<metadata>"; for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++) { ExtensionItem* item = i->first; std::string value = item->serialize(FORMAT_USER, ext, i->second); if (!value.empty()) data << "<meta name=\"" << item->name << "\">" << Sanitize(value) << "</meta>"; else if (!item->name.empty()) data << "<meta name=\"" << item->name << "\"/>"; } data << "</metadata>"; } ModResult HandleRequest(HTTPRequest* http) { std::stringstream data(""); { ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Handling httpd event"); if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/")) { data << "<inspircdstats><server><name>" << ServerInstance->Config->ServerName << "</name><gecos>" << Sanitize(ServerInstance->Config->ServerDesc) << "</gecos><version>" << Sanitize(ServerInstance->GetVersionString()) << "</version></server>"; data << "<general>"; data << "<usercount>" << ServerInstance->Users->GetUsers().size() << "</usercount>"; data << "<channelcount>" << ServerInstance->GetChans().size() << "</channelcount>"; data << "<opercount>" << ServerInstance->Users->all_opers.size() << "</opercount>"; data << "<socketcount>" << (SocketEngine::GetUsedFds()) << "</socketcount><socketmax>" << SocketEngine::GetMaxFds() << "</socketmax>"; data << "<uptime><boot_time_t>" << ServerInstance->startup_time << "</boot_time_t></uptime>"; data << "<isupport>"; const std::vector<Numeric::Numeric>& isupport = ServerInstance->ISupport.GetLines(); for (std::vector<Numeric::Numeric>::const_iterator i = isupport.begin(); i != isupport.end(); ++i) { const Numeric::Numeric& num = *i; for (std::vector<std::string>::const_iterator j = num.GetParams().begin(); j != num.GetParams().end()-1; ++j) data << "<token>" << Sanitize(*j) << "</token>" << std::endl; } data << "</isupport></general><xlines>"; std::vector<std::string> xltypes = ServerInstance->XLines->GetAllTypes(); for (std::vector<std::string>::iterator it = xltypes.begin(); it != xltypes.end(); ++it) { XLineLookup* lookup = ServerInstance->XLines->GetAll(*it); if (!lookup) continue; for (LookupIter i = lookup->begin(); i != lookup->end(); ++i) { data << "<xline type=\"" << it->c_str() << "\"><mask>" << Sanitize(i->second->Displayable()) << "</mask><settime>" << i->second->set_time << "</settime><duration>" << i->second->duration << "</duration><reason>" << Sanitize(i->second->reason) << "</reason></xline>"; } } data << "</xlines><modulelist>"; const ModuleManager::ModuleMap& mods = ServerInstance->Modules->GetModules(); for (ModuleManager::ModuleMap::const_iterator i = mods.begin(); i != mods.end(); ++i) { Version v = i->second->GetVersion(); data << "<module><name>" << i->first << "</name><description>" << Sanitize(v.description) << "</description></module>"; } data << "</modulelist><channellist>"; const chan_hash& chans = ServerInstance->GetChans(); for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i) { Channel* c = i->second; data << "<channel>"; data << "<usercount>" << c->GetUsers().size() << "</usercount><channelname>" << Sanitize(c->name) << "</channelname>"; data << "<channeltopic>"; data << "<topictext>" << Sanitize(c->topic) << "</topictext>"; data << "<setby>" << Sanitize(c->setby) << "</setby>"; data << "<settime>" << c->topicset << "</settime>"; data << "</channeltopic>"; data << "<channelmodes>" << Sanitize(c->ChanModes(true)) << "</channelmodes>"; const Channel::MemberMap& ulist = c->GetUsers(); for (Channel::MemberMap::const_iterator x = ulist.begin(); x != ulist.end(); ++x) { Membership* memb = x->second; data << "<channelmember><uid>" << memb->user->uuid << "</uid><privs>" << Sanitize(memb->GetAllPrefixChars()) << "</privs><modes>" << memb->modes << "</modes>"; DumpMeta(data, memb); data << "</channelmember>"; } DumpMeta(data, c); data << "</channel>"; } data << "</channellist><userlist>"; const user_hash& users = ServerInstance->Users->GetUsers(); for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i) { User* u = i->second; data << "<user>"; data << "<nickname>" << u->nick << "</nickname><uuid>" << u->uuid << "</uuid><realhost>" << u->GetRealHost() << "</realhost><displayhost>" << u->GetDisplayedHost() << "</displayhost><gecos>" << Sanitize(u->fullname) << "</gecos><server>" << u->server->GetName() << "</server>"; if (u->IsAway()) data << "<away>" << Sanitize(u->awaymsg) << "</away><awaytime>" << u->awaytime << "</awaytime>"; if (u->IsOper()) data << "<opertype>" << Sanitize(u->oper->name) << "</opertype>"; data << "<modes>" << u->GetModeLetters().substr(1) << "</modes><ident>" << Sanitize(u->ident) << "</ident>"; LocalUser* lu = IS_LOCAL(u); if (lu) data << "<port>" << lu->GetServerPort() << "</port><servaddr>" << lu->server_sa.str() << "</servaddr>"; data << "<ipaddress>" << u->GetIPString() << "</ipaddress>"; DumpMeta(data, u); data << "</user>"; } data << "</userlist><serverlist>"; ProtocolInterface::ServerList sl; ServerInstance->PI->GetServerList(sl); for (ProtocolInterface::ServerList::const_iterator b = sl.begin(); b != sl.end(); ++b) { data << "<server>"; data << "<servername>" << b->servername << "</servername>"; data << "<parentname>" << b->parentname << "</parentname>"; data << "<gecos>" << Sanitize(b->gecos) << "</gecos>"; data << "<usercount>" << b->usercount << "</usercount>"; // This is currently not implemented, so, commented out. // data << "<opercount>" << b->opercount << "</opercount>"; data << "<lagmillisecs>" << b->latencyms << "</lagmillisecs>"; data << "</server>"; } data << "</serverlist><commandlist>"; const CommandParser::CommandMap& commands = ServerInstance->Parser.GetCommands(); for (CommandParser::CommandMap::const_iterator i = commands.begin(); i != commands.end(); ++i) { data << "<command><name>" << i->second->name << "</name><usecount>" << i->second->use_count << "</usecount></command>"; } data << "</commandlist></inspircdstats>"; /* Send the document back to m_httpd */ HTTPDocumentResponse response(this, *http, &data, 200); response.headers.SetHeader("X-Powered-By", MODNAME); response.headers.SetHeader("Content-Type", "text/xml"); API->SendResponse(response); return MOD_RES_DENY; // Handled } } return MOD_RES_PASSTHRU; } ModResult OnHTTPRequest(HTTPRequest& req) CXX11_OVERRIDE { return HandleRequest(&req); } Version GetVersion() CXX11_OVERRIDE { return Version("Provides statistics over HTTP via m_httpd", VF_VENDOR); } }; static const insp::flat_map<char, char const*>& init_entities() { static insp::flat_map<char, char const*> entities; entities['<'] = "lt"; entities['>'] = "gt"; entities['&'] = "amp"; entities['"'] = "quot"; return entities; } const insp::flat_map<char, char const*>& ModuleHttpStats::entities = init_entities(); MODULE_INIT(ModuleHttpStats)