diff options
Diffstat (limited to 'src/modules/extra/m_sqloper.cpp')
-rw-r--r-- | src/modules/extra/m_sqloper.cpp | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/src/modules/extra/m_sqloper.cpp b/src/modules/extra/m_sqloper.cpp deleted file mode 100644 index 47aa8d1fd..000000000 --- a/src/modules/extra/m_sqloper.cpp +++ /dev/null @@ -1,332 +0,0 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "m_sqlv2.h" -#include "m_sqlutils.h" -#include "m_hash.h" -#include "commands/cmd_oper.h" - -/* $ModDesc: Allows storage of oper credentials in an SQL table */ -/* $ModDep: m_sqlv2.h m_sqlutils.h m_hash.h */ - -typedef std::map<irc::string, Module*> hashymodules; - -class ModuleSQLOper : public Module -{ - Module* SQLutils; - std::string databaseid; - irc::string hashtype; - hashymodules hashers; - bool diduseiface; - parameterlist names; - -public: - ModuleSQLOper() - { - 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).Send(); - /* 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_OnRequest, I_OnRehash, I_OnPreCommand, I_OnLoadModule }; - ServerInstance->Modules->Attach(eventlist, this, 3); - } - - bool OneOfMatches(const char* host, const char* ip, const char* hostlist) - { - 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, const std::string& name) - { - if (ServerInstance->Modules->ModuleHasInterface(mod, "HashRequest")) - { - ServerInstance->Logs->Log("m_sqloper",DEBUG, "Post-load registering hasher: %s", name.c_str()); - std::string sname = HashNameRequest(this, mod).Send(); - hashers[sname.c_str()] = mod; - names.push_back(sname); - if (!diduseiface) - { - ServerInstance->Modules->UseInterface("HashRequest"); - diduseiface = true; - } - } - } - - virtual ~ModuleSQLOper() - { - ServerInstance->Modules->DoneWithInterface("SQL"); - ServerInstance->Modules->DoneWithInterface("SQLutils"); - if (diduseiface) - ServerInstance->Modules->DoneWithInterface("HashRequest"); - } - - - virtual void OnRehash(User* user) - { - ConfigReader Conf; - - databaseid = Conf.ReadValue("sqloper", "dbid", 0); /* Database ID of a database configured for the service provider module */ - hashtype = assign(Conf.ReadValue("sqloper", "hash", 0)); - } - - virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User *user, bool validated, const std::string &original_line) - { - if ((validated) && (command == "OPER")) - { - 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; - } - } - return MOD_RES_PASSTHRU; - } - - bool LookupOper(User* user, const std::string &username, const std::string &password) - { - Module* target; - - target = ServerInstance->Modules->FindFeature("SQL"); - - if (target) - { - hashymodules::iterator x = hashers.find(hashtype); - if (x == hashers.end()) - return false; - - /* Reset hash module first back to MD5 standard state */ - HashResetRequest(this, x->second).Send(); - /* Make an MD5 hash of the password for using in the query */ - std::string md5_pass_hash = HashSumRequest(this, x->second, password.c_str()).Send(); - - /* 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); - - 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(); - - user->Extend("oper_user", strdup(username.c_str())); - user->Extend("oper_pass", strdup(password.c_str())); - - return true; - } - else - { - return false; - } - } - 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; - } - } - - virtual const char* OnRequest(Request* request) - { - if (strcmp(SQLRESID, request->GetId()) == 0) - { - SQLresult* res = static_cast<SQLresult*>(request); - - User* user = GetAssocUser(this, SQLutils, res->id).S().user; - UnAssociate(this, SQLutils, res->id).S(); - - char* tried_user = NULL; - char* tried_pass = NULL; - - user->GetExt("oper_user", tried_user); - user->GetExt("oper_pass", tried_pass); - - if (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. - */ - - 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 */ - return SQLSUCCESS; - } - if (tried_user && tried_pass) - { - LoginFail(user, tried_user, tried_pass); - free(tried_user); - free(tried_pass); - user->Shrink("oper_user"); - user->Shrink("oper_pass"); - } - } - } - 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); - free(tried_user); - free(tried_pass); - user->Shrink("oper_user"); - user->Shrink("oper_pass"); - } - } - } - 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); - free(tried_user); - free(tried_pass); - user->Shrink("oper_user"); - user->Shrink("oper_pass"); - } - - } - } - - return SQLSUCCESS; - } - - return NULL; - } - - void LoginFail(User* user, const std::string &username, const std::string &pass) - { - Command* oper_command = ServerInstance->Parser->GetHandler("OPER"); - - if (oper_command) - { - std::vector<std::string> 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?!"); - } - } - - bool OperUser(User* user, const std::string &pattern, const std::string &type) - { - 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); - - if (operhost.size()) - user->ChangeDisplayedHost(operhost.c_str()); - - user->Oper(type, tname); - return true; - } - } - - return false; - } - - virtual Version GetVersion() - { - return Version("Allows storage of oper credentials in an SQL table", VF_VENDOR, API_VERSION); - } - -}; - -MODULE_INIT(ModuleSQLOper) |