src/auth/Scheme.cc

   1
   2 /*
   3  * $Id$
   4  *
   5  * DEBUG: section 29    Authenticator
   6  * AUTHOR: Robert Collins
   7  *
   8  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   9  * ----------------------------------------------------------
  10  *
  11  *  Squid is the result of efforts by numerous individuals from
  12  *  the Internet community; see the CONTRIBUTORS file for full
  13  *  details.   Many organizations have provided support for Squid's
  14  *  development; see the SPONSORS file for full details.  Squid is
  15  *  Copyrighted (C) 2001 by the Regents of the University of
  16  *  California; see the COPYRIGHT file for full details.  Squid
  17  *  incorporates software developed and/or copyrighted by other
  18  *  sources; see the CREDITS file for full details.
  19  *
  20  *  This program is free software; you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation; either version 2 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  This program is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with this program; if not, write to the Free Software
  32  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  33  *
  34  * Copyright (c) 2004, Robert Collins <robertc@squid-cache.org>
  35  */
  36
  37 #include "squid.h"
  38 #include "auth/Scheme.h"
  39 #include "authenticate.h"
  40 #include "auth/Config.h"
  41
  42 Vector<AuthScheme*> *AuthScheme::_Schemes = NULL;
  43
  44 void
  45 AuthScheme::AddScheme(AuthScheme &instance)
  46 {
  47     iterator i = GetSchemes().begin();
  48
  49     while (i != GetSchemes().end()) {
  50         assert(strcmp((*i)->type(), instance.type()) != 0);
  51         ++i;
  52     }
  53
  54     GetSchemes().push_back (&instance);
  55 }
  56
  57 AuthScheme *
  58 AuthScheme::Find(const char *typestr)
  59 {
  60     for (iterator i = GetSchemes().begin(); i != GetSchemes().end(); ++i) {
  61         if (strcmp ((*i)->type(), typestr) == 0)
  62             return *i;
  63     }
  64
  65     return NULL;
  66 }
  67
  68 Vector<AuthScheme *> const &
  69 AuthScheme::Schemes()
  70 {
  71     return GetSchemes();
  72 }
  73
  74 Vector<AuthScheme*> &
  75 AuthScheme::GetSchemes()
  76 {
  77     if (!_Schemes)
  78         _Schemes = new Vector<AuthScheme *>;
  79
  80     return *_Schemes;
  81 }
  82
  83 /*
  84  * called when a graceful shutdown is to occur
  85  * of each scheme module.
  86  */
  87 void
  88 AuthScheme::FreeAll()
  89 {
  90     while (GetSchemes().size()) {
  91         AuthScheme *scheme = GetSchemes().back();
  92         GetSchemes().pop_back();
  93         scheme->done();
  94     }
  95 }