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     : errorStr(),
  74       users(NULL),
  75       usersList(),
  76       isRunning(false),
  77       settings(),
  78       BeforeChgAONotifierList(),
  79       AfterChgAONotifierList(),
  80       BeforeChgIPNotifierList(),
  81       AfterChgIPNotifierList(),
  82       onAddUserNotifier(*this),
  83       onDelUserNotifier(*this)
  84 {
  85 }
  86 //-----------------------------------------------------------------------------
  87 int AUTH_AO::Start()
  88 {
  89 printfd(__FILE__, "AUTH_AO::Start()\n");
  90 GetUsers();
  91
  92 users->AddNotifierUserAdd(&onAddUserNotifier);
  93 users->AddNotifierUserDel(&onDelUserNotifier);
  94
  95 std::for_each(usersList.begin(), usersList.end(), std::bind1st(std::mem_fun(&AUTH_AO::UpdateUserAuthorization), this));
  96
  97 isRunning = true;
  98
  99 return 0;
 100 }
 101 //-----------------------------------------------------------------------------
 102 int AUTH_AO::Stop()
 103 {
 104 printfd(__FILE__, "AUTH_AO::Stop()\n");
 105 if (!isRunning)
 106     return 0;
 107
 108 users->DelNotifierUserAdd(&onAddUserNotifier);
 109 users->DelNotifierUserDel(&onDelUserNotifier);
 110
 111 list<USER_PTR>::iterator users_iter;
 112 users_iter = usersList.begin();
 113 while (users_iter != usersList.end())
 114     {
 115     if ((*users_iter)->IsAuthorizedBy(this))
 116         users->Unauthorize((*users_iter)->GetLogin(), this);
 117     UnSetUserNotifiers(*users_iter);
 118     ++users_iter;
 119     }
 120 isRunning = false;
 121 return 0;
 122 }
 123 //-----------------------------------------------------------------------------
 124 void AUTH_AO::SetUserNotifiers(USER_PTR u)
 125 {
 126 // ---------- AlwaysOnline -------------------
 127 CHG_BEFORE_NOTIFIER<int> BeforeChgAONotifier(*this, u);
 128 CHG_AFTER_NOTIFIER<int>  AfterChgAONotifier(*this, u);
 129
 130 BeforeChgAONotifierList.push_front(BeforeChgAONotifier);
 131 AfterChgAONotifierList.push_front(AfterChgAONotifier);
 132
 133 u->GetProperty().alwaysOnline.AddBeforeNotifier(&BeforeChgAONotifierList.front());
 134 u->GetProperty().alwaysOnline.AddAfterNotifier(&AfterChgAONotifierList.front());
 135 // ---------- AlwaysOnline end ---------------
 136
 137 // ---------- IP -------------------
 138 CHG_BEFORE_NOTIFIER<USER_IPS> BeforeChgIPNotifier(*this, u);
 139 CHG_AFTER_NOTIFIER<USER_IPS>  AfterChgIPNotifier(*this, u);
 140
 141 BeforeChgIPNotifierList.push_front(BeforeChgIPNotifier);
 142 AfterChgIPNotifierList.push_front(AfterChgIPNotifier);
 143
 144 u->GetProperty().ips.AddBeforeNotifier(&BeforeChgIPNotifierList.front());
 145 u->GetProperty().ips.AddAfterNotifier(&AfterChgIPNotifierList.front());
 146 // ---------- IP end ---------------
 147 }
 148 //-----------------------------------------------------------------------------
 149 void AUTH_AO::UnSetUserNotifiers(USER_PTR u)
 150 {
 151 // ---      AlwaysOnline        ---
 152 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<int> > IsContainsUserAOB;
 153 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<int> > IsContainsUserAOA;
 154
 155 list<CHG_BEFORE_NOTIFIER<int> >::iterator aoBIter;
 156 list<CHG_AFTER_NOTIFIER<int> >::iterator  aoAIter;
 157
 158 aoBIter = find_if(BeforeChgAONotifierList.begin(),
 159                   BeforeChgAONotifierList.end(),
 160                   bind2nd(IsContainsUserAOB, u));
 161
 162 if (aoBIter != BeforeChgAONotifierList.end())
 163     {
 164     aoBIter->GetUser()->GetProperty().alwaysOnline.DelBeforeNotifier(&(*aoBIter));
 165     BeforeChgAONotifierList.erase(aoBIter);
 166     }
 167
 168 aoAIter = find_if(AfterChgAONotifierList.begin(),
 169                   AfterChgAONotifierList.end(),
 170                   bind2nd(IsContainsUserAOA, u));
 171
 172 if (aoAIter != AfterChgAONotifierList.end())
 173     {
 174     aoAIter->GetUser()->GetProperty().alwaysOnline.DelAfterNotifier(&(*aoAIter));
 175     AfterChgAONotifierList.erase(aoAIter);
 176     }
 177 // ---      AlwaysOnline end    ---
 178
 179 // ---          IP              ---
 180 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<USER_IPS> > IsContainsUserIPB;
 181 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<USER_IPS> >  IsContainsUserIPA;
 182
 183 list<CHG_BEFORE_NOTIFIER<USER_IPS> >::iterator ipBIter;
 184 list<CHG_AFTER_NOTIFIER<USER_IPS> >::iterator  ipAIter;
 185
 186 ipBIter = find_if(BeforeChgIPNotifierList.begin(),
 187                   BeforeChgIPNotifierList.end(),
 188                   bind2nd(IsContainsUserIPB, u));
 189
 190 if (ipBIter != BeforeChgIPNotifierList.end())
 191     {
 192     ipBIter->GetUser()->GetProperty().ips.DelBeforeNotifier(&(*ipBIter));
 193     BeforeChgIPNotifierList.erase(ipBIter);
 194     }
 195
 196 ipAIter = find_if(AfterChgIPNotifierList.begin(),
 197                   AfterChgIPNotifierList.end(),
 198                   bind2nd(IsContainsUserIPA, u));
 199
 200 if (ipAIter != AfterChgIPNotifierList.end())
 201     {
 202     ipAIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*ipAIter));
 203     AfterChgIPNotifierList.erase(ipAIter);
 204     }
 205 // ---          IP end          ---
 206 }
 207 //-----------------------------------------------------------------------------
 208 void AUTH_AO::GetUsers()
 209 {
 210 USER_PTR u;
 211 int h = users->OpenSearch();
 212 assert(h && "USERS::OpenSearch is always correct");
 213
 214 while (!users->SearchNext(h, &u))
 215     {
 216     usersList.push_back(u);
 217     SetUserNotifiers(u);
 218     }
 219
 220 users->CloseSearch(h);
 221 }
 222 //-----------------------------------------------------------------------------
 223 void AUTH_AO::UpdateUserAuthorization(CONST_USER_PTR u) const
 224 {
 225 if (u->GetProperty().alwaysOnline)
 226     {
 227     USER_IPS ips = u->GetProperty().ips;
 228     if (ips.OnlyOneIP())
 229         {
 230         users->Authorize(u->GetLogin(), ips[0].ip, 0xFFffFFff, this);
 231         }
 232     }
 233 }
 234 //-----------------------------------------------------------------------------
 235 void AUTH_AO::AddUser(USER_PTR u)
 236 {
 237 SetUserNotifiers(u);
 238 usersList.push_back(u);
 239 UpdateUserAuthorization(u);
 240 }
 241 //-----------------------------------------------------------------------------
 242 void AUTH_AO::DelUser(USER_PTR u)
 243 {
 244 users->Unauthorize(u->GetLogin(), this);
 245 UnSetUserNotifiers(u);
 246 usersList.remove(u);
 247 }
 248 //-----------------------------------------------------------------------------
 249 int AUTH_AO::SendMessage(const STG_MSG &, uint32_t) const
 250 {
 251 errorStr = "Authorization modele \'AlwaysOnline\' does not support sending messages";
 252 return -1;
 253 }
 254 //-----------------------------------------------------------------------------
 255 template <typename varParamType>
 256 void CHG_BEFORE_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 257 {
 258 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::Unauthorize, user);
 259 if (user->IsAuthorizedBy(&auth))
 260     auth.users->Unauthorize(user->GetLogin(), &auth);
 261 }
 262 //-----------------------------------------------------------------------------
 263 template <typename varParamType>
 264 void CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 265 {
 266 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::UpdateUserAuthorization, user);
 267 auth.UpdateUserAuthorization(user);
 268 }
 269 //-----------------------------------------------------------------------------