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