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