X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_sqloper.cpp;h=b5f0d6c470968f4f09c7f7d57f03d1077043adfd;hb=e7c829af5941c6a8a303ca75ed9ac47570347e41;hp=c4eaa6911000cc14187b490b2e2d3caa6a514e32;hpb=dbf4d595433ecefeb61f1267ffa515a91c3ab548;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_sqloper.cpp b/src/modules/m_sqloper.cpp index c4eaa6911..b5f0d6c47 100644 --- a/src/modules/m_sqloper.cpp +++ b/src/modules/m_sqloper.cpp @@ -1,310 +1,161 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009-2010 Daniel De Graaf * - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 . */ -#include "inspircd.h" -#include "m_sqlv2.h" -#include "m_sqlutils.h" -#include "m_hash.h" - -/* $ModDesc: Allows storage of oper credentials in an SQL table */ -/* $ModDep: m_sqlv2.h m_sqlutils.h m_hash.h */ -typedef std::map hashymodules; +#include "inspircd.h" +#include "modules/sql.h" +#include "modules/hash.h" -class ModuleSQLOper : public Module +class OpMeQuery : public SQLQuery { - LocalStringExt saved_user; - LocalStringExt saved_pass; - Module* SQLutils; - std::string databaseid; - irc::string hashtype; - hashymodules hashers; - bool diduseiface; - parameterlist names; - -public: - ModuleSQLOper() : saved_user("sqloper_user", this), saved_pass("sqloper_pass", this) - { - ServerInstance->Modules->UseInterface("SQLutils"); - ServerInstance->Modules->UseInterface("SQL"); - ServerInstance->Modules->UseInterface("HashRequest"); - - OnRehash(NULL); - - diduseiface = false; - - /* Find all modules which implement the interface 'HashRequest' */ - modulelist* ml = ServerInstance->Modules->FindInterface("HashRequest"); - - /* Did we find any modules? */ - if (ml) - { - /* Yes, enumerate them all to find out the hashing algorithm name */ - for (modulelist::iterator m = ml->begin(); m != ml->end(); m++) - { - /* Make a request to it for its name, its implementing - * HashRequest so we know its safe to do this - */ - std::string name = HashNameRequest(this, *m).response; - /* Build a map of them */ - hashers[name.c_str()] = *m; - names.push_back(name); - } - /* UseInterface doesn't do anything if there are no providers, so we'll have to call it later if a module gets loaded later on. */ - diduseiface = true; - ServerInstance->Modules->UseInterface("HashRequest"); - } - - SQLutils = ServerInstance->Modules->Find("m_sqlutils.so"); - if (!SQLutils) - throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqloper.so."); - - Implementation eventlist[] = { I_OnRehash, I_OnPreCommand, I_OnLoadModule }; - ServerInstance->Modules->Attach(eventlist, this, 4); - } - - bool OneOfMatches(const char* host, const char* ip, const char* hostlist) + public: + const std::string uid, username, password; + OpMeQuery(Module* me, const std::string& u, const std::string& un, const std::string& pw) + : SQLQuery(me), uid(u), username(un), password(pw) { - std::stringstream hl(hostlist); - std::string xhost; - while (hl >> xhost) - { - if (InspIRCd::Match(host, xhost, ascii_case_insensitive_map) || InspIRCd::MatchCIDR(ip, xhost, ascii_case_insensitive_map)) - { - return true; - } - } - return false; } - virtual void OnLoadModule(Module* mod) + void OnResult(SQLResult& res) CXX11_OVERRIDE { - if (ServerInstance->Modules->ModuleHasInterface(mod, "HashRequest")) + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "result for %s", uid.c_str()); + User* user = ServerInstance->FindNick(uid); + if (!user) + return; + + // multiple rows may exist + SQLEntries row; + while (res.GetRow(row)) { - std::string sname = HashNameRequest(this, mod).response; - hashers[sname.c_str()] = mod; - names.push_back(sname); - if (!diduseiface) - { - ServerInstance->Modules->UseInterface("HashRequest"); - diduseiface = true; - } + if (OperUser(user, row[0], row[1])) + return; } + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "no matches for %s (checked %d rows)", uid.c_str(), res.Rows()); + // nobody succeeded... fall back to OPER + fallback(); } - virtual ~ModuleSQLOper() + void OnError(SQLerror& error) CXX11_OVERRIDE { - ServerInstance->Modules->DoneWithInterface("SQL"); - ServerInstance->Modules->DoneWithInterface("SQLutils"); - if (diduseiface) - ServerInstance->Modules->DoneWithInterface("HashRequest"); + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "query failed (%s)", error.Str()); + fallback(); } - - virtual void OnRehash(User* user) + void fallback() { - ConfigReader Conf; + User* user = ServerInstance->FindNick(uid); + if (!user) + return; - databaseid = Conf.ReadValue("sqloper", "dbid", 0); /* Database ID of a database configured for the service provider module */ - hashtype = assign(Conf.ReadValue("sqloper", "hash", 0)); - } + Command* oper_command = ServerInstance->Parser.GetHandler("OPER"); - virtual ModResult OnPreCommand(std::string &command, std::vector ¶meters, User *user, bool validated, const std::string &original_line) - { - if ((validated) && (command == "OPER")) + if (oper_command) { - if (LookupOper(user, parameters[0], parameters[1])) - { - /* Returning true here just means the query is in progress, or on it's way to being - * in progress. Nothing about the /oper actually being successful.. - * If the oper lookup fails later, we pass the command to the original handler - * for /oper by calling its Handle method directly. - */ - return MOD_RES_DENY; - } + std::vector params; + params.push_back(username); + params.push_back(password); + oper_command->Handle(params, user); + } + else + { + ServerInstance->Logs->Log(MODNAME, LOG_SPARSE, "BUG: WHAT?! Why do we have no OPER command?!"); } - return MOD_RES_PASSTHRU; } - bool LookupOper(User* user, const std::string &username, const std::string &password) + bool OperUser(User* user, const std::string &pattern, const std::string &type) { - Module* target; - - target = ServerInstance->Modules->FindFeature("SQL"); - - if (target) + ServerConfig::OperIndex::const_iterator iter = ServerInstance->Config->OperTypes.find(type); + if (iter == ServerInstance->Config->OperTypes.end()) { - hashymodules::iterator x = hashers.find(hashtype); - if (x == hashers.end()) - return false; - - /* Make an MD5 hash of the password for using in the query */ - std::string md5_pass_hash = HashRequest(this, x->second, password).hex(); + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "bad type '%s' in returned row for oper %s", type.c_str(), username.c_str()); + return false; + } + OperInfo* ifo = iter->second; - /* We generate our own sum here because some database providers (e.g. SQLite) dont have a builtin md5/sha256 function, - * also hashing it in the module and only passing a remote query containing a hash is more secure. - */ - SQLrequest req = SQLrequest(this, target, databaseid, - SQLquery("SELECT username, password, hostname, type FROM ircd_opers WHERE username = '?' AND password='?'") % username % md5_pass_hash); + std::string hostname(user->ident); - /* When we get the query response from the service provider we will be given an ID to play with, - * just an ID number which is unique to this query. We need a way of associating that ID with a User - * so we insert it into a map mapping the IDs to users. - * Thankfully m_sqlutils provides this, it will associate a ID with a user or channel, and if the user quits it removes the - * association. This means that if the user quits during a query we will just get a failed lookup from m_sqlutils - telling - * us to discard the query. - */ - AssociateUser(this, SQLutils, req.id, user).Send(); + hostname.append("@").append(user->host); - saved_user.set(user, username); - saved_pass.set(user, password); + if (InspIRCd::MatchMask(pattern, hostname, user->GetIPString())) + { + /* Opertype and host match, looks like this is it. */ + user->Oper(ifo); return true; } - else - { - ServerInstance->Logs->Log("m_sqloper",SPARSE, "WARNING: Couldn't find SQL provider module. NOBODY will be able to oper up unless their o:line is statically configured"); - return false; - } + + return false; } +}; - void OnRequest(Request& request) - { - if (strcmp(SQLRESID, request.id) == 0) - { - SQLresult* res = static_cast(&request); +class ModuleSQLOper : public Module +{ + std::string query; + std::string hashtype; + dynamic_reference SQL; - User* user = GetAssocUser(this, SQLutils, res->id).S().user; - UnAssociate(this, SQLutils, res->id).S(); +public: + ModuleSQLOper() : SQL(this, "SQL") {} - if (user) - { - std::string* tried_user = saved_user.get(user); - std::string* tried_pass = saved_pass.get(user); - if (res->error.Id() == SQL_NO_ERROR) - { - if (res->Rows()) - { - /* We got a row in the result, this means there was a record for the oper.. - * now we just need to check if their host matches, and if it does then - * oper them up. - * - * We now (previous versions of the module didn't) support multiple SQL - * rows per-oper in the same way the config file does, all rows will be tried - * until one is found which matches. This is useful to define several different - * hosts for a single oper. - * - * The for() loop works as SQLresult::GetRowMap() returns an empty map when there - * are no more rows to return. - */ + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("sqloper"); - for (SQLfieldMap& row = res->GetRowMap(); row.size(); row = res->GetRowMap()) - { - if (OperUser(user, row["hostname"].d, row["type"].d)) - { - /* If/when one of the rows matches, stop checking and return */ - saved_user.unset(user); - saved_pass.unset(user); - } - if (tried_user && tried_pass) - { - LoginFail(user, *tried_user, *tried_pass); - saved_user.unset(user); - saved_pass.unset(user); - } - } - } - else - { - /* No rows in result, this means there was no oper line for the user, - * we should have already checked the o:lines so now we need an - * "insufficient awesomeness" (invalid credentials) error - */ - if (tried_user && tried_pass) - { - LoginFail(user, *tried_user, *tried_pass); - saved_user.unset(user); - saved_pass.unset(user); - } - } - } - else - { - /* This one shouldn't happen, the query failed for some reason. - * We have to fail the /oper request and give them the same error - * as above. - */ - if (tried_user && tried_pass) - { - LoginFail(user, *tried_user, *tried_pass); - saved_user.unset(user); - saved_pass.unset(user); - } + std::string dbid = tag->getString("dbid"); + if (dbid.empty()) + SQL.SetProvider("SQL"); + else + SQL.SetProvider("SQL/" + dbid); - } - } - } + hashtype = tag->getString("hash"); + query = tag->getString("query", "SELECT hostname as host, type FROM ircd_opers WHERE username='$username' AND password='$password' AND active=1;"); } - void LoginFail(User* user, const std::string &username, const std::string &pass) + ModResult OnPreCommand(std::string &command, std::vector ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE { - Command* oper_command = ServerInstance->Parser->GetHandler("OPER"); - - if (oper_command) + if (validated && command == "OPER" && parameters.size() >= 2) { - std::vector params; - params.push_back(username); - params.push_back(pass); - oper_command->Handle(params, user); - } - else - { - ServerInstance->Logs->Log("m_sqloper",DEBUG, "BUG: WHAT?! Why do we have no OPER command?!"); + if (SQL) + { + LookupOper(user, parameters[0], parameters[1]); + /* Query is in progress, it will re-invoke OPER if needed */ + return MOD_RES_DENY; + } + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "database not present"); } + return MOD_RES_PASSTHRU; } - bool OperUser(User* user, const std::string &pattern, const std::string &type) + void LookupOper(User* user, const std::string &username, const std::string &password) { - ConfigReader Conf; - - for (int j = 0; j < Conf.Enumerate("type"); j++) - { - std::string tname = Conf.ReadValue("type","name",j); - std::string hostname(user->ident); - - hostname.append("@").append(user->host); - - if ((tname == type) && OneOfMatches(hostname.c_str(), user->GetIPString(), pattern.c_str())) - { - /* Opertype and host match, looks like this is it. */ - std::string operhost = Conf.ReadValue("type", "host", j); + HashProvider* hash = ServerInstance->Modules->FindDataService("hash/" + hashtype); - if (operhost.size()) - user->ChangeDisplayedHost(operhost.c_str()); + ParamM userinfo; + SQL->PopulateUserInfo(user, userinfo); + userinfo["username"] = username; + userinfo["password"] = hash ? hash->Generate(password) : password; - user->Oper(type, tname); - return true; - } - } - - return false; + SQL->submit(new OpMeQuery(this, user->uuid, username, password), query, userinfo); } - Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { return Version("Allows storage of oper credentials in an SQL table", VF_VENDOR); } - }; MODULE_INIT(ModuleSQLOper)