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"
48 //#define IA_DEBUG (1)
49 //#define IA_PHASE_DEBUG (1)
52 //-----------------------------------------------------------------------------
77 //-----------------------------------------------------------------------------
90 const UTIME & GetTime() const;
93 void SetUserLogin(const std::string & login);
94 void SetLogFileName(const std::string & logFileName);
101 #ifdef IA_PHASE_DEBUG
102 void WritePhaseChange(int newPhase);
108 //-----------------------------------------------------------------------------
110 using ConstUserPtr = const STG::User*;
114 rnd(static_cast<uint32_t>(random())),
117 password("NO PASSWORD")
119 unsigned char keyL[PASSWD_LEN];
120 memset(keyL, 0, PASSWD_LEN);
121 strncpy((char *)keyL, password.c_str(), PASSWD_LEN);
122 Blowfish_Init(&ctx, keyL, PASSWD_LEN);
129 IA_USER(const IA_USER & u)
133 lastSendAlive(u.lastSendAlive),
137 messagesToSend(u.messagesToSend),
138 protoVer(u.protoVer),
142 aliveSent = u.aliveSent;
144 memcpy(&ctx, &u.ctx, sizeof(BLOWFISH_CTX));
147 IA_USER(const std::string & l,
154 rnd(static_cast<uint32_t>(random())),
158 password(user->GetProperties().password.Get())
160 unsigned char keyL[PASSWD_LEN];
161 memset(keyL, 0, PASSWD_LEN);
162 strncpy((char *)keyL, password.c_str(), PASSWD_LEN);
163 Blowfish_Init(&ctx, keyL, PASSWD_LEN);
177 std::vector<STG::Message> messagesToSend;
179 std::string password;
185 IA_USER & operator=(const IA_USER & rvalue);
187 //-----------------------------------------------------------------------------
188 class AUTH_IA_SETTINGS {
191 virtual ~AUTH_IA_SETTINGS() {}
192 const std::string & GetStrError() const { return errorStr; }
193 int ParseSettings(const STG::ModuleSettings & s);
194 UTIME GetUserDelay() const { return UTIME(userDelay); }
195 UTIME GetUserTimeout() const { return UTIME(userTimeout); }
196 uint16_t GetUserPort() const { return port; }
197 FREEMB GetFreeMbShowType() const { return freeMbShowType; }
198 bool LogProtocolErrors() const { return logProtocolErrors; }
204 std::string errorStr;
205 FREEMB freeMbShowType;
206 bool logProtocolErrors;
208 //-----------------------------------------------------------------------------
210 using UserPtr = STG::User*;
211 //-----------------------------------------------------------------------------
212 class DEL_USER_NOTIFIER: public STG::NotifierBase<UserPtr> {
214 explicit DEL_USER_NOTIFIER(AUTH_IA & a) : auth(a) {}
215 virtual ~DEL_USER_NOTIFIER() {}
217 void Notify(const UserPtr & user);
219 DEL_USER_NOTIFIER(const DEL_USER_NOTIFIER & rvalue);
220 DEL_USER_NOTIFIER & operator=(const DEL_USER_NOTIFIER & rvalue);
224 //-----------------------------------------------------------------------------
225 class AUTH_IA : public STG::Auth {
226 friend class DEL_USER_NOTIFIER;
231 void SetUsers(STG::Users * u) override { users = u; }
232 void SetStgSettings(const STG::Settings * s) override { stgSettings = s; }
233 void SetSettings(const STG::ModuleSettings & s) override { settings = s; }
234 int ParseSettings() override;
236 int Start() override;
238 int Reload(const STG::ModuleSettings & ms) override;
239 bool IsRunning() override { return isRunningRunTimeouter || isRunningRun; }
241 const std::string & GetStrError() const override { return errorStr; }
242 std::string GetVersion() const override { return "InetAccess authorization plugin v.1.4"; }
243 uint16_t GetStartPosition() const override { return 30; }
244 uint16_t GetStopPosition() const override { return 30; }
246 int SendMessage(const STG::Message & msg, uint32_t ip) const override;
249 AUTH_IA(const AUTH_IA & rvalue);
250 AUTH_IA & operator=(const AUTH_IA & rvalue);
252 static void * Run(void *);
253 static void * RunTimeouter(void * d);
256 void DelUser(UserPtr u);
257 int RecvData(char * buffer, int bufferSize);
258 int CheckHeader(const char * buffer, uint32_t sip, int * protoVer);
259 int PacketProcessor(void * buff, size_t dataLen, uint32_t sip, uint16_t sport, int protoVer, UserPtr user);
261 int Process_CONN_SYN_6(CONN_SYN_6 * connSyn, IA_USER * iaUser, uint32_t sip);
262 int Process_CONN_SYN_7(CONN_SYN_7 * connSyn, IA_USER * iaUser, uint32_t sip);
263 int Process_CONN_SYN_8(CONN_SYN_8 * connSyn, IA_USER * iaUser, uint32_t sip);
265 int Process_CONN_ACK_6(CONN_ACK_6 * connAck, IA_USER * iaUser, uint32_t sip);
266 int Process_CONN_ACK_7(CONN_ACK_7 * connAck, IA_USER * iaUser, uint32_t sip);
267 int Process_CONN_ACK_8(CONN_ACK_8 * connAck, IA_USER * iaUser, uint32_t sip);
269 int Process_ALIVE_ACK_6(ALIVE_ACK_6 * aliveAck, IA_USER * iaUser, uint32_t sip);
270 int Process_ALIVE_ACK_7(ALIVE_ACK_7 * aliveAck, IA_USER * iaUser, uint32_t sip);
271 int Process_ALIVE_ACK_8(ALIVE_ACK_8 * aliveAck, IA_USER * iaUser, uint32_t sip);
273 int Process_DISCONN_SYN_6(DISCONN_SYN_6 * disconnSyn, IA_USER * iaUser, uint32_t sip);
274 int Process_DISCONN_SYN_7(DISCONN_SYN_7 * disconnSyn, IA_USER * iaUser, uint32_t sip);
275 int Process_DISCONN_SYN_8(DISCONN_SYN_8 * disconnSyn, IA_USER * iaUser, uint32_t sip);
277 int Process_DISCONN_ACK_6(DISCONN_ACK_6 * disconnSyn,
280 std::map<uint32_t, IA_USER>::iterator it);
281 int Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnSyn,
284 std::map<uint32_t, IA_USER>::iterator it);
285 int Process_DISCONN_ACK_8(DISCONN_ACK_8 * disconnSyn,
288 std::map<uint32_t, IA_USER>::iterator it);
290 int Send_CONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip);
291 int Send_CONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip);
292 int Send_CONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip);
294 int Send_ALIVE_SYN_6(IA_USER * iaUser, uint32_t sip);
295 int Send_ALIVE_SYN_7(IA_USER * iaUser, uint32_t sip);
296 int Send_ALIVE_SYN_8(IA_USER * iaUser, uint32_t sip);
298 int Send_DISCONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip);
299 int Send_DISCONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip);
300 int Send_DISCONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip);
302 int Send_FIN_6(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
303 int Send_FIN_7(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
304 int Send_FIN_8(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it);
308 int SendError(uint32_t ip, uint16_t port, int protoVer, const std::string & text);
309 int Send(uint32_t ip, uint16_t port, const char * buffer, size_t len);
310 int RealSendMessage6(const STG::Message & msg, uint32_t ip, IA_USER & user);
311 int RealSendMessage7(const STG::Message & msg, uint32_t ip, IA_USER & user);
312 int RealSendMessage8(const STG::Message & msg, uint32_t ip, IA_USER & user);
314 BLOWFISH_CTX ctxS; //for loginS
316 mutable std::string errorStr;
317 AUTH_IA_SETTINGS iaSettings;
318 STG::ModuleSettings settings;
323 bool isRunningRunTimeouter;
326 const STG::Settings * stgSettings;
328 mutable std::map<uint32_t, IA_USER> ip2user;
330 pthread_t recvThread;
331 pthread_t timeouterThread;
332 mutable pthread_mutex_t mutex;
336 CONN_SYN_ACK_6 connSynAck6;
337 CONN_SYN_ACK_8 connSynAck8;
339 DISCONN_SYN_ACK_6 disconnSynAck6;
340 DISCONN_SYN_ACK_8 disconnSynAck8;
342 ALIVE_SYN_6 aliveSyn6;
343 ALIVE_SYN_8 aliveSyn8;
347 std::map<std::string, int> packetTypes;
349 uint32_t enabledDirs;
351 DEL_USER_NOTIFIER onDelUserNotifier;
353 STG::PluginLogger logger;
355 friend class UnauthorizeUser;
357 //-----------------------------------------------------------------------------
358 class UnauthorizeUser : std::unary_function<const std::pair<uint32_t, IA_USER> &, void> {
360 explicit UnauthorizeUser(AUTH_IA * a) : auth(a) {}
361 UnauthorizeUser(const UnauthorizeUser & rvalue) : auth(rvalue.auth) {}
362 void operator()(const std::pair<uint32_t, IA_USER> & p)
364 auth->users->Unauthorize(p.second.user->GetLogin(), auth);
367 UnauthorizeUser & operator=(const UnauthorizeUser & rvalue);
371 //-----------------------------------------------------------------------------
373 void DEL_USER_NOTIFIER::Notify(const UserPtr & user)