-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "configreader.h"\r\r#include "m_sqlv2.h"\r#include "m_sqlutils.h"\r#include "m_hash.h"\r#include "commands/cmd_oper.h"\r\r/* $ModDesc: Allows storage of oper credentials in an SQL table */\r/* $ModDep: m_sqlv2.h m_sqlutils.h */\r\rclass ModuleSQLOper : public Module\r{\r Module* SQLutils;\r Module* HashModule;\r std::string databaseid;\r\rpublic:\r ModuleSQLOper(InspIRCd* Me)\r : Module::Module(Me)\r {\r ServerInstance->UseInterface("SQLutils");\r ServerInstance->UseInterface("SQL");\r ServerInstance->UseInterface("HashRequest");\r\r /* Attempt to locate the md5 service provider, bail if we can't find it */\r HashModule = ServerInstance->FindModule("m_md5.so");\r if (!HashModule)\r throw ModuleException("Can't find m_md5.so. Please load m_md5.so before m_sqloper.so.");\r\r SQLutils = ServerInstance->FindModule("m_sqlutils.so");\r if (!SQLutils)\r throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqloper.so.");\r\r OnRehash(NULL,"");\r }\r\r virtual ~ModuleSQLOper()\r {\r ServerInstance->DoneWithInterface("SQL");\r ServerInstance->DoneWithInterface("SQLutils");\r ServerInstance->DoneWithInterface("HashRequest");\r }\r\r void Implements(char* List)\r {\r List[I_OnRequest] = List[I_OnRehash] = List[I_OnPreCommand] = 1;\r }\r\r virtual void OnRehash(userrec* user, const std::string ¶meter)\r {\r ConfigReader Conf(ServerInstance);\r \r databaseid = Conf.ReadValue("sqloper", "dbid", 0); /* Database ID of a database configured for the service provider module */\r }\r\r virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)\r {\r if ((validated) && (command == "OPER"))\r {\r if (LookupOper(user, parameters[0], parameters[1]))\r { \r /* Returning true here just means the query is in progress, or on it's way to being\r * in progress. Nothing about the /oper actually being successful..\r * If the oper lookup fails later, we pass the command to the original handler\r * for /oper by calling its Handle method directly.\r */\r return 1;\r }\r }\r return 0;\r }\r\r bool LookupOper(userrec* user, const std::string &username, const std::string &password)\r {\r Module* target;\r \r target = ServerInstance->FindFeature("SQL");\r\r if (target)\r {\r /* Reset hash module first back to MD5 standard state */\r HashResetRequest(this, HashModule).Send();\r /* Make an MD5 hash of the password for using in the query */\r std::string md5_pass_hash = HashSumRequest(this, HashModule, password.c_str()).Send();\r\r /* We generate our own MD5 sum here because some database providers (e.g. SQLite) dont have a builtin md5 function,\r * also hashing it in the module and only passing a remote query containing a hash is more secure.\r */\r\r SQLrequest req = SQLreq(this, target, databaseid, "SELECT username, password, hostname, type FROM ircd_opers WHERE username = '?' AND password='?'", username, md5_pass_hash);\r \r if (req.Send())\r {\r /* When we get the query response from the service provider we will be given an ID to play with,\r * just an ID number which is unique to this query. We need a way of associating that ID with a userrec\r * so we insert it into a map mapping the IDs to users.\r * Thankfully m_sqlutils provides this, it will associate a ID with a user or channel, and if the user quits it removes the\r * association. This means that if the user quits during a query we will just get a failed lookup from m_sqlutils - telling\r * us to discard the query.\r */\r AssociateUser(this, SQLutils, req.id, user).Send();\r\r user->Extend("oper_user", strdup(username.c_str()));\r user->Extend("oper_pass", strdup(password.c_str()));\r \r return true;\r }\r else\r {\r return false;\r }\r }\r else\r {\r ServerInstance->Log(SPARSE, "WARNING: Couldn't find SQL provider module. NOBODY will be able to oper up unless their o:line is statically configured");\r return false;\r }\r }\r \r virtual char* OnRequest(Request* request)\r {\r if (strcmp(SQLRESID, request->GetId()) == 0)\r {\r SQLresult* res = static_cast<SQLresult*>(request);\r\r userrec* user = GetAssocUser(this, SQLutils, res->id).S().user;\r UnAssociate(this, SQLutils, res->id).S();\r\r char* tried_user = NULL;\r char* tried_pass = NULL;\r\r user->GetExt("oper_user", tried_user);\r user->GetExt("oper_pass", tried_pass);\r \r if (user)\r {\r if (res->error.Id() == NO_ERROR)\r {\r if (res->Rows())\r {\r /* We got a row in the result, this means there was a record for the oper..\r * now we just need to check if their host matches, and if it does then\r * oper them up.\r * \r * We now (previous versions of the module didn't) support multiple SQL\r * rows per-oper in the same way the config file does, all rows will be tried\r * until one is found which matches. This is useful to define several different\r * hosts for a single oper.\r * \r * The for() loop works as SQLresult::GetRowMap() returns an empty map when there\r * are no more rows to return.\r */\r \r for (SQLfieldMap& row = res->GetRowMap(); row.size(); row = res->GetRowMap())\r { \r if (OperUser(user, row["username"].d, row["password"].d, row["hostname"].d, row["type"].d))\r {\r /* If/when one of the rows matches, stop checking and return */\r return SQLSUCCESS;\r }\r if (tried_user && tried_pass)\r {\r LoginFail(user, tried_user, tried_pass);\r free(tried_user);\r free(tried_pass);\r user->Shrink("oper_user");\r user->Shrink("oper_pass");\r }\r }\r }\r else\r {\r /* No rows in result, this means there was no oper line for the user,\r * we should have already checked the o:lines so now we need an\r * "insufficient awesomeness" (invalid credentials) error\r */\r if (tried_user && tried_pass)\r {\r LoginFail(user, tried_user, tried_pass);\r free(tried_user);\r free(tried_pass);\r user->Shrink("oper_user");\r user->Shrink("oper_pass");\r }\r }\r }\r else\r {\r /* This one shouldn't happen, the query failed for some reason.\r * We have to fail the /oper request and give them the same error\r * as above.\r */\r if (tried_user && tried_pass)\r {\r LoginFail(user, tried_user, tried_pass);\r free(tried_user);\r free(tried_pass);\r user->Shrink("oper_user");\r user->Shrink("oper_pass");\r }\r\r }\r }\r \r return SQLSUCCESS;\r }\r\r return NULL;\r }\r\r void LoginFail(userrec* user, const std::string &username, const std::string &pass)\r {\r command_t* oper_command = ServerInstance->Parser->GetHandler("OPER");\r\r if (oper_command)\r {\r const char* params[] = { username.c_str(), pass.c_str() };\r oper_command->Handle(params, 2, user);\r }\r else\r {\r ServerInstance->Log(DEBUG, "BUG: WHAT?! Why do we have no OPER command?!");\r }\r }\r\r bool OperUser(userrec* user, const std::string &username, const std::string &password, const std::string &pattern, const std::string &type)\r {\r ConfigReader Conf(ServerInstance);\r \r for (int j = 0; j < Conf.Enumerate("type"); j++)\r {\r std::string tname = Conf.ReadValue("type","name",j);\r std::string hostname(user->ident);\r\r hostname.append("@").append(user->host);\r \r if ((tname == type) && OneOfMatches(hostname.c_str(), user->GetIPString(), pattern.c_str()))\r {\r /* Opertype and host match, looks like this is it. */\r std::string operhost = Conf.ReadValue("type", "host", j);\r\r if (operhost.size())\r user->ChangeDisplayedHost(operhost.c_str());\r\r ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s", user->nick, user->ident, user->host, type.c_str());\r user->WriteServ("381 %s :You are now an IRC operator of type %s", user->nick, type.c_str());\r\r if (!user->modes[UM_OPERATOR])\r user->Oper(type);\r\r return true;\r }\r }\r \r return false;\r }\r\r virtual Version GetVersion()\r {\r return Version(1,1,1,0,VF_VENDOR,API_VERSION);\r }\r \r};\r\rMODULE_INIT(ModuleSQLOper);\r\r
\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * 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 "inspircd.h"
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include "configreader.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 */
+
+class ModuleSQLOper : public Module
+{
+ Module* SQLutils;
+ Module* HashModule;
+ std::string databaseid;
+
+public:
+ ModuleSQLOper(InspIRCd* Me)
+ : Module::Module(Me)
+ {
+ ServerInstance->UseInterface("SQLutils");
+ ServerInstance->UseInterface("SQL");
+ ServerInstance->UseInterface("HashRequest");
+
+ /* Attempt to locate the md5 service provider, bail if we can't find it */
+ HashModule = ServerInstance->FindModule("m_md5.so");
+ if (!HashModule)
+ throw ModuleException("Can't find m_md5.so. Please load m_md5.so before m_sqloper.so.");
+
+ SQLutils = ServerInstance->FindModule("m_sqlutils.so");
+ if (!SQLutils)
+ throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqloper.so.");
+
+ OnRehash(NULL,"");
+ }
+
+ virtual ~ModuleSQLOper()
+ {
+ ServerInstance->DoneWithInterface("SQL");
+ ServerInstance->DoneWithInterface("SQLutils");
+ ServerInstance->DoneWithInterface("HashRequest");
+ }
+
+ void Implements(char* List)
+ {
+ List[I_OnRequest] = List[I_OnRehash] = List[I_OnPreCommand] = 1;
+ }
+
+ virtual void OnRehash(userrec* user, const std::string ¶meter)
+ {
+ ConfigReader Conf(ServerInstance);
+
+ databaseid = Conf.ReadValue("sqloper", "dbid", 0); /* Database ID of a database configured for the service provider module */
+ }
+
+ virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *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 1;
+ }
+ }
+ return 0;
+ }
+
+ bool LookupOper(userrec* user, const std::string &username, const std::string &password)
+ {
+ Module* target;
+
+ target = ServerInstance->FindFeature("SQL");
+
+ if (target)
+ {
+ /* Reset hash module first back to MD5 standard state */
+ HashResetRequest(this, HashModule).Send();
+ /* Make an MD5 hash of the password for using in the query */
+ std::string md5_pass_hash = HashSumRequest(this, HashModule, password.c_str()).Send();
+
+ /* We generate our own MD5 sum here because some database providers (e.g. SQLite) dont have a builtin md5 function,
+ * also hashing it in the module and only passing a remote query containing a hash is more secure.
+ */
+
+ SQLrequest req = SQLreq(this, target, databaseid, "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 userrec
+ * 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->Log(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 char* OnRequest(Request* request)
+ {
+ if (strcmp(SQLRESID, request->GetId()) == 0)
+ {
+ SQLresult* res = static_cast<SQLresult*>(request);
+
+ userrec* 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() == 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["username"].d, row["password"].d, 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(userrec* user, const std::string &username, const std::string &pass)
+ {
+ command_t* oper_command = ServerInstance->Parser->GetHandler("OPER");
+
+ if (oper_command)
+ {
+ const char* params[] = { username.c_str(), pass.c_str() };
+ oper_command->Handle(params, 2, user);
+ }
+ else
+ {
+ ServerInstance->Log(DEBUG, "BUG: WHAT?! Why do we have no OPER command?!");
+ }
+ }
+
+ bool OperUser(userrec* user, const std::string &username, const std::string &password, const std::string &pattern, const std::string &type)
+ {
+ ConfigReader Conf(ServerInstance);
+
+ 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());
+
+ ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s", user->nick, user->ident, user->host, type.c_str());
+ user->WriteServ("381 %s :You are now an IRC operator of type %s", user->nick, type.c_str());
+
+ if (!user->modes[UM_OPERATOR])
+ user->Oper(type);
+
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version(1,1,1,0,VF_VENDOR,API_VERSION);
+ }
+
+};
+
+MODULE_INIT(ModuleSQLOper);
+
projects / user / henk / code / inspircd.git / blobdiff