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