projects/stargazer/plugins/authorization/ao/ao.cpp

   1 /*
   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.
   6  *
   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.
  11  *
  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
  15  */
  16
  17 /*
  18  *    Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
  19  */
  20
  21 /*
  22 $Revision: 1.30 $
  23 $Date: 2010/03/04 12:29:06 $
  24 $Author: faust $
  25 */
  26
  27 #include <unistd.h>
  28
  29 #include <csignal>
  30 #include <algorithm> // for_each
  31 #include <functional> // mem_fun_ref
  32
  33 #include "ao.h"
  34 #include "user.h"
  35 #include "users.h"
  36 #include "user_property.h"
  37 #include "../../../eventloop.h"
  38
  39 class AO_CREATOR
  40 {
  41 private:
  42     AUTH_AO * ao;
  43
  44 public:
  45     AO_CREATOR()
  46         : ao(new AUTH_AO())
  47         {
  48         };
  49     ~AO_CREATOR()
  50         {
  51         delete ao;
  52         };
  53
  54     AUTH_AO * GetPlugin()
  55         {
  56         return ao;
  57         };
  58 };
  59 //-----------------------------------------------------------------------------
  60 //-----------------------------------------------------------------------------
  61 //-----------------------------------------------------------------------------
  62 AO_CREATOR aoc;
  63 //-----------------------------------------------------------------------------
  64 //-----------------------------------------------------------------------------
  65 //-----------------------------------------------------------------------------
  66 template <typename varType>
  67 class IS_CONTAINS_USER: public binary_function<varType, USER_PTR, bool>
  68 {
  69 public:
  70     bool operator()(varType notifier, USER_PTR user) const
  71         {
  72         return notifier.GetUser() == user;
  73         };
  74 };
  75 //-----------------------------------------------------------------------------
  76 //-----------------------------------------------------------------------------
  77 //-----------------------------------------------------------------------------
  78 PLUGIN * GetPlugin()
  79 {
  80 return aoc.GetPlugin();
  81 }
  82 //-----------------------------------------------------------------------------
  83 //-----------------------------------------------------------------------------
  84 //-----------------------------------------------------------------------------
  85 const string AUTH_AO::GetVersion() const
  86 {
  87 return "Always Online authorizator v.1.0";
  88 }
  89 //-----------------------------------------------------------------------------
  90 AUTH_AO::AUTH_AO()
  91     : users(NULL),
  92       isRunning(false),
  93       onAddUserNotifier(*this),
  94       onDelUserNotifier(*this)
  95 {
  96 }
  97 //-----------------------------------------------------------------------------
  98 int AUTH_AO::Start()
  99 {
 100 GetUsers();
 101
 102 users->AddNotifierUserAdd(&onAddUserNotifier);
 103 users->AddNotifierUserDel(&onDelUserNotifier);
 104
 105 /*list<USER_PTR>::iterator it = usersList.begin();
 106 while (it != usersList.end())
 107     {
 108     UpdateUserAuthorization(*it);
 109     ++it;
 110     }*/
 111 std::for_each(usersList.begin(), usersList.end(), std::bind1st(std::mem_fun(&AUTH_AO::UpdateUserAuthorization), this));
 112
 113 isRunning = true;
 114
 115 return 0;
 116 }
 117 //-----------------------------------------------------------------------------
 118 int AUTH_AO::Stop()
 119 {
 120 if (!isRunning)
 121     return 0;
 122
 123 users->DelNotifierUserAdd(&onAddUserNotifier);
 124 users->DelNotifierUserDel(&onDelUserNotifier);
 125
 126 list<USER_PTR>::iterator users_iter;
 127 users_iter = usersList.begin();
 128 while (users_iter != usersList.end())
 129     {
 130     Unauthorize(*users_iter);
 131     UnSetUserNotifiers(*users_iter);
 132     ++users_iter;
 133     }
 134 isRunning = false;
 135 return 0;
 136 }
 137 //-----------------------------------------------------------------------------
 138 bool AUTH_AO::IsRunning()
 139 {
 140 return isRunning;
 141 }
 142 //-----------------------------------------------------------------------------
 143 uint16_t AUTH_AO::GetStartPosition() const
 144 {
 145 return 70;
 146 }
 147 //-----------------------------------------------------------------------------
 148 uint16_t AUTH_AO::GetStopPosition() const
 149 {
 150 return 70;
 151 }
 152 //-----------------------------------------------------------------------------
 153 void AUTH_AO::SetUserNotifiers(USER_PTR u)
 154 {
 155 // ---------- AlwaysOnline -------------------
 156 CHG_BEFORE_NOTIFIER<int> BeforeChgAONotifier(*this, u);
 157 CHG_AFTER_NOTIFIER<int>  AfterChgAONotifier(*this, u);
 158
 159 /*BeforeChgAONotifier.SetAuthorizator(this);
 160 BeforeChgAONotifier.SetUser(u);*/
 161 BeforeChgAONotifierList.push_front(BeforeChgAONotifier);
 162
 163 /*AfterChgAONotifier.SetAuthorizator(this);
 164 AfterChgAONotifier.SetUser(u);*/
 165 AfterChgAONotifierList.push_front(AfterChgAONotifier);
 166
 167 u->GetProperty().alwaysOnline.AddBeforeNotifier(&(*BeforeChgAONotifierList.begin()));
 168 u->GetProperty().alwaysOnline.AddAfterNotifier(&(*AfterChgAONotifierList.begin()));
 169 // ---------- AlwaysOnline end ---------------
 170
 171 // ---------- IP -------------------
 172 CHG_BEFORE_NOTIFIER<USER_IPS> BeforeChgIPNotifier(*this, u);
 173 CHG_AFTER_NOTIFIER<USER_IPS>  AfterChgIPNotifier(*this, u);
 174
 175 /*BeforeChgIPNotifier.SetAuthorizator(this);
 176 BeforeChgIPNotifier.SetUser(u);*/
 177 BeforeChgIPNotifierList.push_front(BeforeChgIPNotifier);
 178
 179 /*AfterChgIPNotifier.SetAuthorizator(this);
 180 AfterChgIPNotifier.SetUser(u);*/
 181 AfterChgIPNotifierList.push_front(AfterChgIPNotifier);
 182
 183 u->GetProperty().ips.AddBeforeNotifier(&(*BeforeChgIPNotifierList.begin()));
 184 u->GetProperty().ips.AddAfterNotifier(&(*AfterChgIPNotifierList.begin()));
 185 // ---------- IP end ---------------
 186 }
 187 //-----------------------------------------------------------------------------
 188 void AUTH_AO::UnSetUserNotifiers(USER_PTR u)
 189 {
 190 // ---      AlwaysOnline        ---
 191 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<int> > IsContainsUserAOB;
 192 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<int> > IsContainsUserAOA;
 193
 194 list<CHG_BEFORE_NOTIFIER<int> >::iterator aoBIter;
 195 list<CHG_AFTER_NOTIFIER<int> >::iterator  aoAIter;
 196
 197 aoBIter = find_if(BeforeChgAONotifierList.begin(),
 198                   BeforeChgAONotifierList.end(),
 199                   bind2nd(IsContainsUserAOB, u));
 200
 201 if (aoBIter != BeforeChgAONotifierList.end())
 202     {
 203     aoBIter->GetUser()->GetProperty().alwaysOnline.DelBeforeNotifier(&(*aoBIter));
 204     BeforeChgAONotifierList.erase(aoBIter);
 205     }
 206
 207 aoAIter = find_if(AfterChgAONotifierList.begin(),
 208                   AfterChgAONotifierList.end(),
 209                   bind2nd(IsContainsUserAOA, u));
 210
 211 if (aoAIter != AfterChgAONotifierList.end())
 212     {
 213     aoAIter->GetUser()->GetProperty().alwaysOnline.DelAfterNotifier(&(*aoAIter));
 214     AfterChgAONotifierList.erase(aoAIter);
 215     }
 216 // ---      AlwaysOnline end    ---
 217
 218 // ---          IP              ---
 219 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<USER_IPS> > IsContainsUserIPB;
 220 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<USER_IPS> >  IsContainsUserIPA;
 221
 222 list<CHG_BEFORE_NOTIFIER<USER_IPS> >::iterator ipBIter;
 223 list<CHG_AFTER_NOTIFIER<USER_IPS> >::iterator  ipAIter;
 224
 225 ipBIter = find_if(BeforeChgIPNotifierList.begin(),
 226                   BeforeChgIPNotifierList.end(),
 227                   bind2nd(IsContainsUserIPB, u));
 228
 229 if (ipBIter != BeforeChgIPNotifierList.end())
 230     {
 231     ipBIter->GetUser()->GetProperty().ips.DelBeforeNotifier(&(*ipBIter));
 232     BeforeChgIPNotifierList.erase(ipBIter);
 233     }
 234
 235 ipAIter = find_if(AfterChgIPNotifierList.begin(),
 236                   AfterChgIPNotifierList.end(),
 237                   bind2nd(IsContainsUserIPA, u));
 238
 239 if (ipAIter != AfterChgIPNotifierList.end())
 240     {
 241     ipAIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*ipAIter));
 242     AfterChgIPNotifierList.erase(ipAIter);
 243     }
 244 // ---          IP end          ---
 245 }
 246 //-----------------------------------------------------------------------------
 247 void AUTH_AO::GetUsers()
 248 {
 249 USER_PTR u;
 250 int h = users->OpenSearch();
 251 if (!h)
 252     {
 253     printfd(__FILE__, "users->OpenSearch() error\n");
 254     return;
 255     }
 256
 257 while (1)
 258     {
 259     if (users->SearchNext(h, &u))
 260         {
 261         break;
 262         }
 263     usersList.push_back(u);
 264     SetUserNotifiers(u);
 265     }
 266
 267 users->CloseSearch(h);
 268 }
 269 //-----------------------------------------------------------------------------
 270 void AUTH_AO::Unauthorize(USER_PTR u) const
 271 {
 272 u->Unauthorize(this);
 273 }
 274 //-----------------------------------------------------------------------------
 275 void AUTH_AO::UpdateUserAuthorization(USER_PTR u) const
 276 {
 277 if (u->GetProperty().alwaysOnline)
 278     {
 279     USER_IPS ips = u->GetProperty().ips;
 280     if (ips.OnlyOneIP())
 281         {
 282         if (u->Authorize(ips[0].ip, 0xFFffFFff, this) == 0)
 283             {
 284             }
 285         }
 286     }
 287 }
 288 //-----------------------------------------------------------------------------
 289 void AUTH_AO::AddUser(USER_PTR u)
 290 {
 291 SetUserNotifiers(u);
 292 usersList.push_back(u);
 293 UpdateUserAuthorization(u);
 294 }
 295 //-----------------------------------------------------------------------------
 296 void AUTH_AO::DelUser(USER_PTR u)
 297 {
 298 Unauthorize(u);
 299 UnSetUserNotifiers(u);
 300
 301 list<USER_PTR>::iterator users_iter;
 302 users_iter = usersList.begin();
 303
 304 while (users_iter != usersList.end())
 305     {
 306     if (u == *users_iter)
 307         {
 308         usersList.erase(users_iter);
 309         break;
 310         }
 311     ++users_iter;
 312     }
 313 }
 314 //-----------------------------------------------------------------------------
 315 int AUTH_AO::SendMessage(const STG_MSG &, uint32_t) const
 316 {
 317 errorStr = "Authorization modele \'AlwaysOnline\' does not support sending messages";
 318 return -1;
 319 }
 320 //-----------------------------------------------------------------------------
 321 template <typename varParamType>
 322 void CHG_BEFORE_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 323 {
 324 EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::Unauthorize, user);
 325 }
 326 //-----------------------------------------------------------------------------
 327 template <typename varParamType>
 328 void CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 329 {
 330 EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::UpdateUserAuthorization, user);
 331 }
 332 //-----------------------------------------------------------------------------