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       logger(GetPluginLogger(GetStgLogger(), "auth_ao"))
  85 {
  86 }
  87 //-----------------------------------------------------------------------------
  88 int AUTH_AO::Start()
  89 {
  90 printfd(__FILE__, "AUTH_AO::Start()\n");
  91 GetUsers();
  92
  93 users->AddNotifierUserAdd(&onAddUserNotifier);
  94 users->AddNotifierUserDel(&onDelUserNotifier);
  95
  96 std::for_each(usersList.begin(), usersList.end(), std::bind1st(std::mem_fun(&AUTH_AO::UpdateUserAuthorization), this));
  97
  98 isRunning = true;
  99
 100 return 0;
 101 }
 102 //-----------------------------------------------------------------------------
 103 int AUTH_AO::Stop()
 104 {
 105 printfd(__FILE__, "AUTH_AO::Stop()\n");
 106 if (!isRunning)
 107     return 0;
 108
 109 users->DelNotifierUserAdd(&onAddUserNotifier);
 110 users->DelNotifierUserDel(&onDelUserNotifier);
 111
 112 list<USER_PTR>::iterator users_iter;
 113 users_iter = usersList.begin();
 114 while (users_iter != usersList.end())
 115     {
 116     if ((*users_iter)->IsAuthorizedBy(this))
 117         users->Unauthorize((*users_iter)->GetLogin(), this);
 118     UnSetUserNotifiers(*users_iter);
 119     ++users_iter;
 120     }
 121 isRunning = false;
 122 return 0;
 123 }
 124 //-----------------------------------------------------------------------------
 125 void AUTH_AO::SetUserNotifiers(USER_PTR u)
 126 {
 127 // ---------- AlwaysOnline -------------------
 128 CHG_BEFORE_NOTIFIER<int> BeforeChgAONotifier(*this, u);
 129 CHG_AFTER_NOTIFIER<int>  AfterChgAONotifier(*this, u);
 130
 131 BeforeChgAONotifierList.push_front(BeforeChgAONotifier);
 132 AfterChgAONotifierList.push_front(AfterChgAONotifier);
 133
 134 u->GetProperty().alwaysOnline.AddBeforeNotifier(&BeforeChgAONotifierList.front());
 135 u->GetProperty().alwaysOnline.AddAfterNotifier(&AfterChgAONotifierList.front());
 136 // ---------- AlwaysOnline end ---------------
 137
 138 // ---------- IP -------------------
 139 CHG_BEFORE_NOTIFIER<USER_IPS> BeforeChgIPNotifier(*this, u);
 140 CHG_AFTER_NOTIFIER<USER_IPS>  AfterChgIPNotifier(*this, u);
 141
 142 BeforeChgIPNotifierList.push_front(BeforeChgIPNotifier);
 143 AfterChgIPNotifierList.push_front(AfterChgIPNotifier);
 144
 145 u->GetProperty().ips.AddBeforeNotifier(&BeforeChgIPNotifierList.front());
 146 u->GetProperty().ips.AddAfterNotifier(&AfterChgIPNotifierList.front());
 147 // ---------- IP end ---------------
 148 }
 149 //-----------------------------------------------------------------------------
 150 void AUTH_AO::UnSetUserNotifiers(USER_PTR u)
 151 {
 152 // ---      AlwaysOnline        ---
 153 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<int> > IsContainsUserAOB;
 154 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<int> > IsContainsUserAOA;
 155
 156 list<CHG_BEFORE_NOTIFIER<int> >::iterator aoBIter;
 157 list<CHG_AFTER_NOTIFIER<int> >::iterator  aoAIter;
 158
 159 aoBIter = find_if(BeforeChgAONotifierList.begin(),
 160                   BeforeChgAONotifierList.end(),
 161                   bind2nd(IsContainsUserAOB, u));
 162
 163 if (aoBIter != BeforeChgAONotifierList.end())
 164     {
 165     aoBIter->GetUser()->GetProperty().alwaysOnline.DelBeforeNotifier(&(*aoBIter));
 166     BeforeChgAONotifierList.erase(aoBIter);
 167     }
 168
 169 aoAIter = find_if(AfterChgAONotifierList.begin(),
 170                   AfterChgAONotifierList.end(),
 171                   bind2nd(IsContainsUserAOA, u));
 172
 173 if (aoAIter != AfterChgAONotifierList.end())
 174     {
 175     aoAIter->GetUser()->GetProperty().alwaysOnline.DelAfterNotifier(&(*aoAIter));
 176     AfterChgAONotifierList.erase(aoAIter);
 177     }
 178 // ---      AlwaysOnline end    ---
 179
 180 // ---          IP              ---
 181 IS_CONTAINS_USER<CHG_BEFORE_NOTIFIER<USER_IPS> > IsContainsUserIPB;
 182 IS_CONTAINS_USER<CHG_AFTER_NOTIFIER<USER_IPS> >  IsContainsUserIPA;
 183
 184 list<CHG_BEFORE_NOTIFIER<USER_IPS> >::iterator ipBIter;
 185 list<CHG_AFTER_NOTIFIER<USER_IPS> >::iterator  ipAIter;
 186
 187 ipBIter = find_if(BeforeChgIPNotifierList.begin(),
 188                   BeforeChgIPNotifierList.end(),
 189                   bind2nd(IsContainsUserIPB, u));
 190
 191 if (ipBIter != BeforeChgIPNotifierList.end())
 192     {
 193     ipBIter->GetUser()->GetProperty().ips.DelBeforeNotifier(&(*ipBIter));
 194     BeforeChgIPNotifierList.erase(ipBIter);
 195     }
 196
 197 ipAIter = find_if(AfterChgIPNotifierList.begin(),
 198                   AfterChgIPNotifierList.end(),
 199                   bind2nd(IsContainsUserIPA, u));
 200
 201 if (ipAIter != AfterChgIPNotifierList.end())
 202     {
 203     ipAIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*ipAIter));
 204     AfterChgIPNotifierList.erase(ipAIter);
 205     }
 206 // ---          IP end          ---
 207 }
 208 //-----------------------------------------------------------------------------
 209 void AUTH_AO::GetUsers()
 210 {
 211 USER_PTR u;
 212 int h = users->OpenSearch();
 213 assert(h && "USERS::OpenSearch is always correct");
 214
 215 while (!users->SearchNext(h, &u))
 216     {
 217     usersList.push_back(u);
 218     SetUserNotifiers(u);
 219     }
 220
 221 users->CloseSearch(h);
 222 }
 223 //-----------------------------------------------------------------------------
 224 void AUTH_AO::UpdateUserAuthorization(CONST_USER_PTR u) const
 225 {
 226 if (u->GetProperty().alwaysOnline)
 227     {
 228     USER_IPS ips = u->GetProperty().ips;
 229     if (ips.OnlyOneIP())
 230         {
 231         users->Authorize(u->GetLogin(), ips[0].ip, 0xFFffFFff, this);
 232         }
 233     }
 234 }
 235 //-----------------------------------------------------------------------------
 236 void AUTH_AO::AddUser(USER_PTR u)
 237 {
 238 SetUserNotifiers(u);
 239 usersList.push_back(u);
 240 UpdateUserAuthorization(u);
 241 }
 242 //-----------------------------------------------------------------------------
 243 void AUTH_AO::DelUser(USER_PTR u)
 244 {
 245 users->Unauthorize(u->GetLogin(), this);
 246 UnSetUserNotifiers(u);
 247 usersList.remove(u);
 248 }
 249 //-----------------------------------------------------------------------------
 250 int AUTH_AO::SendMessage(const STG_MSG &, uint32_t) const
 251 {
 252 errorStr = "Authorization modele \'AlwaysOnline\' does not support sending messages";
 253 return -1;
 254 }
 255 //-----------------------------------------------------------------------------
 256 template <typename varParamType>
 257 void CHG_BEFORE_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 258 {
 259 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::Unauthorize, user);
 260 if (user->IsAuthorizedBy(&auth))
 261     auth.users->Unauthorize(user->GetLogin(), &auth);
 262 }
 263 //-----------------------------------------------------------------------------
 264 template <typename varParamType>
 265 void CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 266 {
 267 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::UpdateUserAuthorization, user);
 268 auth.UpdateUserAuthorization(user);
 269 }
 270 //-----------------------------------------------------------------------------