2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
23 #include "stg/store.h"
24 #include "stg/module_settings.h"
25 #include "stg/notifer.h"
26 #include "stg/user_ips.h"
28 #include "stg/users.h"
29 #include "stg/user_property.h"
30 #include "stg/ia_packets.h"
31 #include "stg/blowfish.h"
32 #include "stg/logger.h"
33 #include "stg/utime.h"
34 #include "stg/logger.h"
45 #pragma GCC diagnostic push
46 #pragma GCC diagnostic ignored "-Wshadow"
47 #include <jthread.hpp>
48 #pragma GCC diagnostic pop
52 //#define IA_DEBUG (1)
53 //#define IA_PHASE_DEBUG (1)
56 //-----------------------------------------------------------------------------
81 //-----------------------------------------------------------------------------
94 const UTIME & GetTime() const;
97 void SetUserLogin(const std::string & login);
98 void SetLogFileName(const std::string & logFileName);
105 #ifdef IA_PHASE_DEBUG
106 void WritePhaseChange(int newPhase);
112 //-----------------------------------------------------------------------------
114 using ConstUserPtr = const STG::User*;
118 rnd(static_cast<uint32_t>(random())),
121 password("NO PASSWORD")
123 char keyL[PASSWD_LEN];
124 memset(keyL, 0, PASSWD_LEN);
125 strncpy(keyL, password.c_str(), PASSWD_LEN);
126 Blowfish_Init(&ctx, keyL, PASSWD_LEN);
133 IA_USER(const IA_USER & u)
137 lastSendAlive(u.lastSendAlive),
141 messagesToSend(u.messagesToSend),
142 protoVer(u.protoVer),
146 aliveSent = u.aliveSent;
148 memcpy(&ctx, &u.ctx, sizeof(BLOWFISH_CTX));
151 IA_USER(const std::string & l,
158 rnd(static_cast<uint32_t>(random())),
162 password(user->GetProperties().password.Get())
164 char keyL[PASSWD_LEN];
165 memset(keyL, 0, PASSWD_LEN);
166 strncpy(keyL, password.c_str(), PASSWD_LEN);
167 Blowfish_Init(&ctx, keyL, PASSWD_LEN);
181 std::vector<STG::Message> messagesToSend;
183 std::string password;
189 IA_USER & operator=(const IA_USER & rvalue);
191 //-----------------------------------------------------------------------------
192 class AUTH_IA_SETTINGS {
195 virtual ~AUTH_IA_SETTINGS() {}
196 const std::string & GetStrError() const { return errorStr; }
197 int ParseSettings(const STG::ModuleSettings & s);
198 UTIME GetUserDelay() const { return UTIME(userDelay); }
199 UTIME GetUserTimeout() const { return UTIME(userTimeout); }
200 uint16_t GetUserPort() const { return port; }
201 FREEMB GetFreeMbShowType() const { return freeMbShowType; }
202 bool LogProtocolErrors() const { return logProtocolErrors; }
208 std::string errorStr;
209 FREEMB freeMbShowType;
210 bool logProtocolErrors;
212 //-----------------------------------------------------------------------------
214 using UserPtr = STG::User*;
215 //-----------------------------------------------------------------------------
216 class DEL_USER_NOTIFIER: public STG::NotifierBase<UserPtr> {
218 explicit DEL_USER_NOTIFIER(AUTH_IA & a) : auth(a) {}
219 virtual ~DEL_USER_NOTIFIER() {}
221 void notify(const UserPtr & user) override;
223 DEL_USER_NOTIFIER(const DEL_USER_NOTIFIER & rvalue);
224 DEL_USER_NOTIFIER & operator=(const DEL_USER_NOTIFIER & rvalue);
228 //-----------------------------------------------------------------------------
229 class AUTH_IA : public STG::Auth {
230 friend class DEL_USER_NOTIFIER;
235 void SetUsers(STG::Users * u) override { users = u; }
236 void SetStgSettings(const STG::Settings * s) override { stgSettings = s; }
237 void SetSettings(const STG::ModuleSettings & s) override { settings = s; }
238 int ParseSettings() override;
240 int Start() override;
242 int Reload(const STG::ModuleSettings & ms) override;
243 bool IsRunning() override { return isRunningRunTimeouter || isRunningRun; }
245 const std::string & GetStrError() const override { return errorStr; }
246 std::string GetVersion() const override { return "InetAccess authorization plugin v.1.4"; }
247 uint16_t GetStartPosition() const override { return 30; }
248 uint16_t GetStopPosition() const override { return 30; }
250 int SendMessage(const STG::Message & msg, uint32_t ip) const override;
253 AUTH_IA(const AUTH_IA & rvalue);
254 AUTH_IA & operator=(const AUTH_IA & rvalue);
256 void Run(std::stop_token token);
257 void RunTimeouter(std::stop_token token);
260 void DelUser(UserPtr u);
261 int RecvData(char * buffer, int bufferSize);
262 int CheckHeader(const char * buffer, uint32_t sip, int * protoVer);
263 int PacketProcessor(void * buff, size_t dataLen, uint32_t sip, uint16_t sport, int protoVer, UserPtr user);
265 int Process_CONN_SYN_6(CONN_SYN_6 * connSyn, IA_USER * iaUser, uint32_t sip);
266 int Process_CONN_SYN_7(CONN_SYN_7 * connSyn, IA_USER * iaUser, uint32_t sip);
267 int Process_CONN_SYN_8(CONN_SYN_8 * connSyn, IA_USER * iaUser, uint32_t sip);
269 int Process_CONN_ACK_6(CONN_ACK_6 * connAck, IA_USER * iaUser, uint32_t sip);
270 int Process_CONN_ACK_7(CONN_ACK_7 * connAck, IA_USER * iaUser, uint32_t sip);
271 int Process_CONN_ACK_8(CONN_ACK_8 * connAck, IA_USER * iaUser, uint32_t sip);
273 int Process_ALIVE_ACK_6(ALIVE_ACK_6 * aliveAck, IA_USER * iaUser, uint32_t sip);
274 int Process_ALIVE_ACK_7(ALIVE_ACK_7 * aliveAck, IA_USER * iaUser, uint32_t sip);
275 int Process_ALIVE_ACK_8(ALIVE_ACK_8 * aliveAck, IA_USER * iaUser, uint32_t sip);
277 int Process_DISCONN_SYN_6(DISCONN_SYN_6 * disconnSyn, IA_USER * iaUser, uint32_t sip);
278 int Process_DISCONN_SYN_7(DISCONN_SYN_7 * disconnSyn, IA_USER * iaUser, uint32_t sip);
279 int Process_DISCONN_SYN_8(DISCONN_SYN_8 * disconnSyn, IA_USER * iaUser, uint32_t sip);
281 int Process_DISCONN_ACK_6(DISCONN_ACK_6 * disconnSyn,
284 std::map<uint32_t, IA_USER>::iterator it);
285 int Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnSyn,
288 std::map<uint32_t, IA_USER>::iterator it);
289 int Process_DISCONN_ACK_8(DISCONN_ACK_8 * disconnSyn,
292 std::map<uint32_t, IA_USER>::iterator it);
294 int Send_CONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip);
295 int Send_CONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip);
296 int Send_CONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip);
298 int Send_ALIVE_SYN_6(IA_USER * iaUser, uint32_t sip);
299 int Send_ALIVE_SYN_7(IA_USER * iaUser, uint32_t sip);
300 int Send_ALIVE_SYN_8(IA_USER * iaUser, uint32_t sip);
302 int Send_DISCONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip);
303 int Send_DISCONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip);
304 int Send_DISCONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip);
306 int Send_FIN_6(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
307 int Send_FIN_7(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
308 int Send_FIN_8(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
312 int SendError(uint32_t ip, uint16_t port, int protoVer, const std::string & text);
313 int Send(uint32_t ip, uint16_t port, const void* buffer, size_t len);
314 int RealSendMessage6(const STG::Message & msg, uint32_t ip, IA_USER & user);
315 int RealSendMessage7(const STG::Message & msg, uint32_t ip, IA_USER & user);
316 int RealSendMessage8(const STG::Message & msg, uint32_t ip, IA_USER & user);
318 BLOWFISH_CTX ctxS; //for loginS
320 mutable std::string errorStr;
321 AUTH_IA_SETTINGS iaSettings;
322 STG::ModuleSettings settings;
325 bool isRunningRunTimeouter;
328 const STG::Settings * stgSettings;
330 mutable std::map<uint32_t, IA_USER> ip2user;
332 std::jthread m_thread;
333 std::jthread m_timeouterThread;
334 mutable std::mutex m_mutex;
338 CONN_SYN_ACK_6 connSynAck6;
339 CONN_SYN_ACK_8 connSynAck8;
341 DISCONN_SYN_ACK_6 disconnSynAck6;
342 DISCONN_SYN_ACK_8 disconnSynAck8;
344 ALIVE_SYN_6 aliveSyn6;
345 ALIVE_SYN_8 aliveSyn8;
349 std::map<std::string, int> packetTypes;
351 uint32_t enabledDirs;
353 DEL_USER_NOTIFIER onDelUserNotifier;
355 STG::PluginLogger logger;
357 friend class UnauthorizeUser;
359 //-----------------------------------------------------------------------------
360 class UnauthorizeUser : std::unary_function<const std::pair<uint32_t, IA_USER> &, void> {
362 explicit UnauthorizeUser(AUTH_IA * a) : auth(a) {}
363 UnauthorizeUser(const UnauthorizeUser & rvalue) : auth(rvalue.auth) {}
364 void operator()(const std::pair<uint32_t, IA_USER> & p)
366 auth->users->Unauthorize(p.second.user->GetLogin(), auth);
369 UnauthorizeUser & operator=(const UnauthorizeUser & rvalue);
373 //-----------------------------------------------------------------------------
375 void DEL_USER_NOTIFIER::notify(const UserPtr & user)