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 <cassert>
  31 #include <algorithm> // for_each
  32 #include <functional> // mem_fun_ref
  33
  34 #include "stg/user.h"
  35 #include "stg/users.h"
  36 #include "stg/user_property.h"
  37 #include "stg/common.h"
  38 #include "stg/plugin_creator.h"
  39 #include "ao.h"
  40
  41 //-----------------------------------------------------------------------------
  42 //-----------------------------------------------------------------------------
  43 //-----------------------------------------------------------------------------
  44 PLUGIN_CREATOR<AUTH_AO> aoc;
  45 //-----------------------------------------------------------------------------
  46 //-----------------------------------------------------------------------------
  47 //-----------------------------------------------------------------------------
  48 PLUGIN * GetPlugin()
  49 {
  50 return aoc.GetPlugin();
  51 }
  52 //-----------------------------------------------------------------------------
  53 //-----------------------------------------------------------------------------
  54 //-----------------------------------------------------------------------------
  55 template <typename varType>
  56 class IS_CONTAINS_USER: public binary_function<varType, USER_PTR, bool>
  57 {
  58 public:
  59     bool operator()(varType notifier, USER_PTR user) const
  60         {
  61         return notifier.GetUser() == user;
  62         };
  63 };
  64 //-----------------------------------------------------------------------------
  65 //-----------------------------------------------------------------------------
  66 //-----------------------------------------------------------------------------
  67 const string AUTH_AO::GetVersion() const
  68 {
  69 return "Always Online authorizator v.1.0";
  70 }
  71 //-----------------------------------------------------------------------------
  72 AUTH_AO::AUTH_AO()
  73     : users(NULL),
  74       isRunning(false),
  75       onAddUserNotifier(*this),
  76       onDelUserNotifier(*this)
  77 {
  78 }
  79 //-----------------------------------------------------------------------------
  80 int AUTH_AO::Start()
  81 {
  82 printfd(__FILE__, "AUTH_AO::Start()\n");
  83 GetUsers();
  84
  85 users->AddNotifierUserAdd(&onAddUserNotifier);
  86 users->AddNotifierUserDel(&onDelUserNotifier);
  87
  88 std::for_each(usersList.begin(), usersList.end(), std::bind1st(std::mem_fun(&AUTH_AO::UpdateUserAuthorization), this));
  89
  90 isRunning = true;
  91
  92 return 0;
  93 }
  94 //-----------------------------------------------------------------------------
  95 int AUTH_AO::Stop()
  96 {
  97 printfd(__FILE__, "AUTH_AO::Stop()\n");
  98 if (!isRunning)
  99     return 0;
 100
 101 users->DelNotifierUserAdd(&onAddUserNotifier);
 102 users->DelNotifierUserDel(&onDelUserNotifier);
 103
 104 list<USER_PTR>::iterator users_iter;
 105 users_iter = usersList.begin();
 106 while (users_iter != usersList.end())
 107     {
 108     Unauthorize(*users_iter);
 109     UnSetUserNotifiers(*users_iter);
 110     ++users_iter;
 111     }
 112 isRunning = false;
 113 return 0;
 114 }
 115 //-----------------------------------------------------------------------------
 116 void AUTH_AO::SetUserNotifiers(USER_PTR u)
 117 {
 118 // ---------- AlwaysOnline -------------------
 119 CHG_BEFORE_NOTIFIER<int> BeforeChgAONotifier(*this, u);
 120 CHG_AFTER_NOTIFIER<int>  AfterChgAONotifier(*this, u);
 121
 122 BeforeChgAONotifierList.push_front(BeforeChgAONotifier);
 123 AfterChgAONotifierList.push_front(AfterChgAONotifier);
 124
 125 u->GetProperty().alwaysOnline.AddBeforeNotifier(&BeforeChgAONotifierList.front());
 126 u->GetProperty().alwaysOnline.AddAfterNotifier(&AfterChgAONotifierList.front());
 127 // ---------- AlwaysOnline end ---------------
 128
 129 // ---------- IP -------------------
 130 CHG_BEFORE_NOTIFIER<USER_IPS> BeforeChgIPNotifier(*this, u);
 131 CHG_AFTER_NOTIFIER<USER_IPS>  AfterChgIPNotifier(*this, u);
 132
 133 BeforeChgIPNotifierList.push_front(BeforeChgIPNotifier);
 134 AfterChgIPNotifierList.push_front(AfterChgIPNotifier);
 135
 136 u->GetProperty().ips.AddBeforeNotifier(&BeforeChgIPNotifierList.front());
 137 u->GetProperty().ips.AddAfterNotifier(&AfterChgIPNotifierList.front());
 138 // ---------- IP end ---------------
 139 }
 140 //-----------------------------------------------------------------------------
 141 void AUTH_AO::UnSetUserNotifiers(USER_PTR u)
 142 {
 143 // ---      AlwaysOnline        ---
 144 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<int> > IsContainsUserAOB;
 145 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<int> > IsContainsUserAOA;
 146
 147 list<CHG_BEFORE_NOTIFIER<int> >::iterator aoBIter;
 148 list<CHG_AFTER_NOTIFIER<int> >::iterator  aoAIter;
 149
 150 aoBIter = find_if(BeforeChgAONotifierList.begin(),
 151                   BeforeChgAONotifierList.end(),
 152                   bind2nd(IsContainsUserAOB, u));
 153
 154 if (aoBIter != BeforeChgAONotifierList.end())
 155     {
 156     aoBIter->GetUser()->GetProperty().alwaysOnline.DelBeforeNotifier(&(*aoBIter));
 157     BeforeChgAONotifierList.erase(aoBIter);
 158     }
 159
 160 aoAIter = find_if(AfterChgAONotifierList.begin(),
 161                   AfterChgAONotifierList.end(),
 162                   bind2nd(IsContainsUserAOA, u));
 163
 164 if (aoAIter != AfterChgAONotifierList.end())
 165     {
 166     aoAIter->GetUser()->GetProperty().alwaysOnline.DelAfterNotifier(&(*aoAIter));
 167     AfterChgAONotifierList.erase(aoAIter);
 168     }
 169 // ---      AlwaysOnline end    ---
 170
 171 // ---          IP              ---
 172 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<USER_IPS> > IsContainsUserIPB;
 173 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<USER_IPS> >  IsContainsUserIPA;
 174
 175 list<CHG_BEFORE_NOTIFIER<USER_IPS> >::iterator ipBIter;
 176 list<CHG_AFTER_NOTIFIER<USER_IPS> >::iterator  ipAIter;
 177
 178 ipBIter = find_if(BeforeChgIPNotifierList.begin(),
 179                   BeforeChgIPNotifierList.end(),
 180                   bind2nd(IsContainsUserIPB, u));
 181
 182 if (ipBIter != BeforeChgIPNotifierList.end())
 183     {
 184     ipBIter->GetUser()->GetProperty().ips.DelBeforeNotifier(&(*ipBIter));
 185     BeforeChgIPNotifierList.erase(ipBIter);
 186     }
 187
 188 ipAIter = find_if(AfterChgIPNotifierList.begin(),
 189                   AfterChgIPNotifierList.end(),
 190                   bind2nd(IsContainsUserIPA, u));
 191
 192 if (ipAIter != AfterChgIPNotifierList.end())
 193     {
 194     ipAIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*ipAIter));
 195     AfterChgIPNotifierList.erase(ipAIter);
 196     }
 197 // ---          IP end          ---
 198 }
 199 //-----------------------------------------------------------------------------
 200 void AUTH_AO::GetUsers()
 201 {
 202 USER_PTR u;
 203 int h = users->OpenSearch();
 204 assert(h && "USERS::OpenSearch is always correct");
 205
 206 while (!users->SearchNext(h, &u))
 207     {
 208     usersList.push_back(u);
 209     SetUserNotifiers(u);
 210     }
 211
 212 users->CloseSearch(h);
 213 }
 214 //-----------------------------------------------------------------------------
 215 void AUTH_AO::Unauthorize(USER_PTR u) const
 216 {
 217 u->Unauthorize(this);
 218 }
 219 //-----------------------------------------------------------------------------
 220 void AUTH_AO::UpdateUserAuthorization(USER_PTR u) const
 221 {
 222 if (u->GetProperty().alwaysOnline)
 223     {
 224     USER_IPS ips = u->GetProperty().ips;
 225     if (ips.OnlyOneIP())
 226         {
 227         if (u->Authorize(ips[0].ip, 0xFFffFFff, this) == 0)
 228             {
 229             }
 230         }
 231     }
 232 }
 233 //-----------------------------------------------------------------------------
 234 void AUTH_AO::AddUser(USER_PTR u)
 235 {
 236 SetUserNotifiers(u);
 237 usersList.push_back(u);
 238 UpdateUserAuthorization(u);
 239 }
 240 //-----------------------------------------------------------------------------
 241 void AUTH_AO::DelUser(USER_PTR u)
 242 {
 243 Unauthorize(u);
 244 UnSetUserNotifiers(u);
 245 usersList.remove(u);
 246 }
 247 //-----------------------------------------------------------------------------
 248 int AUTH_AO::SendMessage(const STG_MSG &, uint32_t) const
 249 {
 250 errorStr = "Authorization modele \'AlwaysOnline\' does not support sending messages";
 251 return -1;
 252 }
 253 //-----------------------------------------------------------------------------
 254 template <typename varParamType>
 255 void CHG_BEFORE_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 256 {
 257 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::Unauthorize, user);
 258 auth.Unauthorize(user);
 259 }
 260 //-----------------------------------------------------------------------------
 261 template <typename varParamType>
 262 void CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 263 {
 264 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::UpdateUserAuthorization, user);
 265 auth.UpdateUserAuthorization(user);
 266 }
 267 //-----------------------------------------------------------------------------