X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fextra%2Fm_sqlauth.cpp;h=98b0227e5ad3157927e4dac3ace89fdab33c6bc3;hb=2e1f86fd0c9911210b79e6ac346672441eef18c4;hp=2cb2eae3a7dbc539b6a4f8d24c2279372c60132e;hpb=2330fc9ddd48c939e894e7e37e9bb2e62eafc38d;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/extra/m_sqlauth.cpp b/src/modules/extra/m_sqlauth.cpp index 2cb2eae3a..98b0227e5 100644 --- a/src/modules/extra/m_sqlauth.cpp +++ b/src/modules/extra/m_sqlauth.cpp @@ -2,35 +2,29 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2004 ChatSpike-Dev. - * E-mail: - * - * - * - * - * Written by Craig Edwards, Craig McLure, and others. + * InspIRCd: (C) 2002-2007 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. * * --------------------------------------------------- */ -#include - +#include "inspircd.h" #include "users.h" #include "channels.h" #include "modules.h" -#include "inspircd.h" -#include "helperfuncs.h" #include "m_sqlv2.h" #include "m_sqlutils.h" /* $ModDesc: Allow/Deny connections based upon an arbitary SQL table */ +/* $ModDep: m_sqlv2.h m_sqlutils.h */ class ModuleSQLAuth : public Module { - Server* Srv; Module* SQLutils; + Module* SQLprovider; std::string usertable; std::string userfield; @@ -43,22 +37,27 @@ class ModuleSQLAuth : public Module bool verbose; public: - ModuleSQLAuth(Server* Me) - : Module::Module(Me), Srv(Me) + ModuleSQLAuth(InspIRCd* Me) + : Module::Module(Me) { - SQLutils = Srv->FindFeature("SQLutils"); - - if(SQLutils) - { - log(DEBUG, "Successfully got SQLutils pointer"); - } - else - { - log(DEFAULT, "ERROR: This module requires a module offering the 'SQLutils' feature (usually m_sqlutils.so). Please load it and try again."); - throw ModuleException("This module requires a module offering the 'SQLutils' feature (usually m_sqlutils.so). Please load it and try again."); - } - - OnRehash(""); + ServerInstance->Modules->UseInterface("SQLutils"); + ServerInstance->Modules->UseInterface("SQL"); + + SQLutils = ServerInstance->Modules->Find("m_sqlutils.so"); + if (!SQLutils) + throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqlauth.so."); + + SQLprovider = ServerInstance->Modules->FindFeature("SQL"); + if (!SQLprovider) + throw ModuleException("Can't find an SQL provider module. Please load one before attempting to load m_sqlauth."); + + OnRehash(NULL,""); + } + + virtual ~ModuleSQLAuth() + { + ServerInstance->Modules->DoneWithInterface("SQL"); + ServerInstance->Modules->DoneWithInterface("SQLutils"); } void Implements(char* List) @@ -66,9 +65,9 @@ public: List[I_OnUserDisconnect] = List[I_OnCheckReady] = List[I_OnRequest] = List[I_OnRehash] = List[I_OnUserRegister] = 1; } - virtual void OnRehash(const std::string ¶meter) + virtual void OnRehash(User* user, const std::string ¶meter) { - ConfigReader Conf; + ConfigReader Conf(ServerInstance); usertable = Conf.ReadValue("sqlauth", "usertable", 0); /* User table name */ databaseid = Conf.ReadValue("sqlauth", "dbid", 0); /* Database ID, given to the SQL service provider */ @@ -87,83 +86,60 @@ public: } } - virtual void OnUserRegister(userrec* user) + virtual int OnUserRegister(User* user) { - if ((allowpattern != "") && (Srv->MatchText(user->nick,allowpattern))) - return; + if ((!allowpattern.empty()) && (ServerInstance->MatchText(user->nick,allowpattern))) + { + user->Extend("sqlauthed"); + return 0; + } if (!CheckCredentials(user)) { - Srv->QuitUser(user,killreason); + User::QuitUser(ServerInstance,user,killreason); + return 1; } + return 0; } - bool CheckCredentials(userrec* user) + bool CheckCredentials(User* user) { - bool found; - Module* target; - - found = false; - target = Srv->FindFeature("SQL"); - - if(target) - { - SQLrequest req = SQLreq(this, target, databaseid, "SELECT ? FROM ? WHERE ? = '?' AND ? = ?'?')", userfield, usertable, userfield, user->nick, passfield, encryption, user->password); + SQLrequest req = SQLreq(this, SQLprovider, databaseid, "SELECT ? FROM ? WHERE ? = '?' AND ? = ?'?')", userfield, usertable, userfield, user->nick, passfield, encryption, user->password); - if(req.Send()) - { - /* 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 userrec - * so we insert it into a map mapping the IDs to users. - * This isn't quite enough though, as if the user quit while the query was in progress then when the result - * came to be processed we'd get an invalid userrec* out of the map. Now we *could* solve this by watching - * OnUserDisconnect() and iterating the map every time someone quits to make sure they didn't have any queries - * in progress, but that would be relatively slow and inefficient. Instead (thanks to w00t ;p) we attach a list - * of query IDs associated with it to the userrec, so in OnUserDisconnect() we can remove it immediately. - */ - log(DEBUG, "Sent query, got given ID %lu", req.id); + if(req.Send()) + { + /* 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(); - AssociateUser(this, SQLutils, user, req.id).Send(); - - return true; - } - else - { - log(DEBUG, "SQLrequest failed: %s", req.error.Str()); - - if (verbose) - WriteOpers("Forbidden connection from %s!%s@%s (SQL query failed: %s)", user->nick, user->ident, user->host, req.error.Str()); - - return false; - } + return true; } else { - log(SPARSE, "WARNING: Couldn't find SQL provider module. NOBODY will be allowed to connect until it comes back unless they match an exception"); + if (verbose) + ServerInstance->WriteOpers("Forbidden connection from %s!%s@%s (SQL query failed: %s)", user->nick, user->ident, user->host, req.error.Str()); return false; } } virtual char* OnRequest(Request* request) { - if(strcmp(SQLRESID, request->GetData()) == 0) + if(strcmp(SQLRESID, request->GetId()) == 0) { - SQLresult* res; - - res = static_cast(request); - - log(DEBUG, "Got SQL result (%s) with ID %lu", res->GetData(), res->id); - - userrec* user = GetAssocUser(this, SQLutils, res->id).S().user; + SQLresult* res = static_cast(request); + + User* user = GetAssocUser(this, SQLutils, res->id).S().user; UnAssociate(this, SQLutils, res->id).S(); if(user) { if(res->error.Id() == NO_ERROR) - { - log(DEBUG, "Associated query ID %lu with user %s", res->id, user->nick); - log(DEBUG, "Got result with %d rows and %d columns", res->Rows(), res->Cols()); - + { if(res->Rows()) { /* We got a row in the result, this is enough really */ @@ -172,78 +148,46 @@ public: else if (verbose) { /* No rows in result, this means there was no record matching the user */ - WriteOpers("Forbidden connection from %s!%s@%s (SQL query returned no matches)", user->nick, user->ident, user->host); + ServerInstance->WriteOpers("Forbidden connection from %s!%s@%s (SQL query returned no matches)", user->nick, user->ident, user->host); user->Extend("sqlauth_failed"); } } else if (verbose) { - log(DEBUG, "Query failed: %s", res->error.Str()); - WriteOpers("Forbidden connection from %s!%s@%s (SQL query failed: %s)", user->nick, user->ident, user->host, res->error.Str()); + ServerInstance->WriteOpers("Forbidden connection from %s!%s@%s (SQL query failed: %s)", user->nick, user->ident, user->host, res->error.Str()); user->Extend("sqlauth_failed"); } } else { - log(DEBUG, "Got query with unknown ID, this probably means the user quit while the query was in progress"); + return NULL; + } + + if (!user->GetExt("sqlauthed")) + { + User::QuitUser(ServerInstance,user,killreason); } - return SQLSUCCESS; - } - - log(DEBUG, "Got unsupported API version string: %s", request->GetData()); - + } return NULL; } - virtual void OnUserDisconnect(userrec* user) + virtual void OnUserDisconnect(User* user) { user->Shrink("sqlauthed"); user->Shrink("sqlauth_failed"); } - virtual bool OnCheckReady(userrec* user) + virtual bool OnCheckReady(User* user) { - if(user->GetExt("sqlauth_failed")) - { - Srv->QuitUser(user,killreason); - return false; - } - return user->GetExt("sqlauthed"); } - virtual ~ModuleSQLAuth() - { - } - virtual Version GetVersion() { - return Version(1,0,1,0,VF_VENDOR); - } - -}; - -class ModuleSQLAuthFactory : public ModuleFactory -{ - public: - ModuleSQLAuthFactory() - { - } - - ~ModuleSQLAuthFactory() - { - } - - virtual Module * CreateModule(Server* Me) - { - return new ModuleSQLAuth(Me); + return Version(1,1,1,0,VF_VENDOR,API_VERSION); } }; - -extern "C" void * init_module( void ) -{ - return new ModuleSQLAuthFactory; -} +MODULE_INIT(ModuleSQLAuth)