-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
-#include "m_sqlv2.h"
-#include "m_sqlutils.h"
-#include "m_hash.h"
+#include "modules/sql.h"
+#include "modules/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<irc::string, Module*> hashymodules;
-class ModuleSQLOper : public Module
+class OpMeQuery : public SQLQuery
{
- LocalStringExt saved_user;
- LocalStringExt saved_pass;
- Module* SQLutils;
- std::string databaseid;
- std::string hashtype;
- parameterlist names;
-
-public:
- ModuleSQLOper() : saved_user("sqloper_user", this), saved_pass("sqloper_pass", this)
+ 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)
{
- OnRehash(NULL);
-
- 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, 3);
- ServerInstance->Modules->AddService(saved_user);
- ServerInstance->Modules->AddService(saved_pass);
}
- bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
+ void OnResult(SQLResult& res) CXX11_OVERRIDE
{
- std::stringstream hl(hostlist);
- std::string xhost;
- while (hl >> xhost)
+ ServerInstance->Logs->Log("m_sqloper", LOG_DEBUG, "SQLOPER: result for %s", uid.c_str());
+ User* user = ServerInstance->FindNick(uid);
+ if (!user)
+ return;
+
+ // multiple rows may exist
+ SQLEntries row;
+ while (res.GetRow(row))
{
- if (InspIRCd::Match(host, xhost, ascii_case_insensitive_map) || InspIRCd::MatchCIDR(ip, xhost, ascii_case_insensitive_map))
- {
- return true;
- }
+ if (OperUser(user, row[0], row[1]))
+ return;
}
- return false;
+ ServerInstance->Logs->Log("m_sqloper", LOG_DEBUG, "SQLOPER: no matches for %s (checked %d rows)", uid.c_str(), res.Rows());
+ // nobody succeeded... fall back to OPER
+ fallback();
}
- virtual void OnRehash(User* user)
+ void OnError(SQLerror& error) CXX11_OVERRIDE
{
- ConfigReader Conf;
-
- databaseid = Conf.ReadValue("sqloper", "dbid", 0); /* Database ID of a database configured for the service provider module */
- hashtype = Conf.ReadValue("sqloper", "hash", 0);
+ ServerInstance->Logs->Log("m_sqloper", LOG_DEFAULT, "SQLOPER: query failed (%s)", error.Str());
+ fallback();
}
- virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
+ void fallback()
{
- 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;
- }
+ User* user = ServerInstance->FindNick(uid);
+ if (!user)
+ return;
- bool LookupOper(User* user, const std::string &username, const std::string &password)
- {
- ServiceProvider* prov = ServerInstance->Modules->FindService(SERVICE_DATA, "SQL");
- if (prov)
- {
- Module* target = prov->creator;
- HashProvider* hash = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
-
- /* Make an MD5 hash of the password for using in the query */
- std::string md5_pass_hash = hash ? hash->hexsum(password) : password;
-
- /* 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);
-
- /* 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();
-
- saved_user.set(user, username);
- saved_pass.set(user, password);
-
- 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;
- }
- }
-
- void OnRequest(Request& request)
- {
- if (strcmp(SQLRESID, request.id) == 0)
- {
- SQLresult* res = static_cast<SQLresult*>(&request);
-
- User* user = GetAssocUser(this, SQLutils, res->id).S().user;
- UnAssociate(this, SQLutils, res->id).S();
-
- 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.
- */
-
- 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);
- }
-
- }
- }
- }
- }
-
- 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);
+ params.push_back(password);
oper_command->Handle(params, user);
}
else
{
- ServerInstance->Logs->Log("m_sqloper",DEBUG, "BUG: WHAT?! Why do we have no OPER command?!");
+ ServerInstance->Logs->Log("m_sqloper", LOG_SPARSE, "BUG: WHAT?! Why do we have no OPER command?!");
}
}
{
OperIndex::iterator iter = ServerInstance->Config->oper_blocks.find(" " + type);
if (iter == ServerInstance->Config->oper_blocks.end())
+ {
+ ServerInstance->Logs->Log("m_sqloper", LOG_DEFAULT, "SQLOPER: bad type '%s' in returned row for oper %s", type.c_str(), username.c_str());
return false;
+ }
OperInfo* ifo = iter->second;
std::string hostname(user->ident);
hostname.append("@").append(user->host);
- if (OneOfMatches(hostname.c_str(), user->GetIPString(), pattern.c_str()))
+ if (InspIRCd::MatchMask(pattern, hostname, user->GetIPString()))
{
/* Opertype and host match, looks like this is it. */
return false;
}
+};
+
+class ModuleSQLOper : public Module
+{
+ std::string query;
+ std::string hashtype;
+ dynamic_reference<SQLProvider> SQL;
- Version GetVersion()
+public:
+ ModuleSQLOper() : SQL(this, "SQL") {}
+
+ void init() CXX11_OVERRIDE
{
- return Version("Allows storage of oper credentials in an SQL table", VF_VENDOR);
+ OnRehash(NULL);
+
+ Implementation eventlist[] = { I_OnRehash, I_OnPreCommand };
+ ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
+ }
+
+ void OnRehash(User* user) CXX11_OVERRIDE
+ {
+ ConfigTag* tag = ServerInstance->Config->ConfValue("sqloper");
+
+ 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'");
}
+ ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE
+ {
+ if (validated && command == "OPER" && parameters.size() >= 2)
+ {
+ 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("m_sqloper", LOG_DEFAULT, "SQLOPER: database not present");
+ }
+ return MOD_RES_PASSTHRU;
+ }
+
+ void LookupOper(User* user, const std::string &username, const std::string &password)
+ {
+ HashProvider* hash = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
+
+ ParamM userinfo;
+ SQL->PopulateUserInfo(user, userinfo);
+ userinfo["username"] = username;
+ userinfo["password"] = hash ? hash->hexsum(password) : password;
+
+ SQL->submit(new OpMeQuery(this, user->uuid, username, password), query, userinfo);
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Allows storage of oper credentials in an SQL table", VF_VENDOR);
+ }
};
MODULE_INIT(ModuleSQLOper)