sbuild-auth-pam-conv-tty.h

00001 /* Copyright © 2005-2007  Roger Leigh <rleigh@debian.org>
00002  *
00003  * schroot is free software: you can redistribute it and/or modify it
00004  * under the terms of the GNU General Public License as published by
00005  * the Free Software Foundation, either version 3 of the License, or
00006  * (at your option) any later version.
00007  *
00008  * schroot is distributed in the hope that it will be useful, but
00009  * WITHOUT ANY WARRANTY; without even the implied warranty of
00010  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011  * General Public License for more details.
00012  *
00013  * You should have received a copy of the GNU General Public License
00014  * along with this program.  If not, see
00015  * <http://www.gnu.org/licenses/>.
00016  *
00017  *********************************************************************/
00018 
00019 #ifndef SBUILD_AUTH_PAM_CONV_TTY_H
00020 #define SBUILD_AUTH_PAM_CONV_TTY_H
00021 
00022 #include <sbuild/sbuild-auth-pam-conv.h>
00023 #include <sbuild/sbuild-auth.h>
00024 #include <sbuild/sbuild-custom-error.h>
00025 
00026 #include <security/pam_appl.h>
00027 #include <security/pam_misc.h>
00028 
00029 namespace sbuild
00030 {
00045   class auth_pam_conv_tty : public auth_pam_conv
00046   {
00047   public:
00049     enum error_code
00050       {
00051         CTTY,            
00052         TIMEOUT,         
00053         TIMEOUT_PENDING, 
00054         TERMIOS,         
00055         CONV_TYPE        
00056       };
00057 
00059     typedef custom_error<error_code> error;
00060 
00061   private:
00068     auth_pam_conv_tty (auth_ptr auth);
00069 
00070   public:
00072     virtual ~auth_pam_conv_tty ();
00073 
00081     static ptr
00082     create (auth_ptr auth);
00083 
00084     virtual auth_ptr
00085     get_auth ();
00086 
00087     virtual void
00088     set_auth (auth_ptr auth);
00089 
00090     virtual time_t
00091     get_warning_timeout ();
00092 
00093     virtual void
00094     set_warning_timeout (time_t timeout);
00095 
00096     virtual time_t
00097     get_fatal_timeout ();
00098 
00099     virtual void
00100     set_fatal_timeout (time_t timeout);
00101 
00102     virtual void
00103     conversation (auth_pam_conv::message_list& messages);
00104 
00105   private:
00115     int get_delay ();
00116 
00133     std::string
00134     read_string (std::string message,
00135                  bool        echo);
00136 
00138     weak_auth_ptr  auth;
00140     time_t  warning_timeout;
00142     time_t  fatal_timeout;
00144     time_t  start_time;
00145   };
00146 
00147 }
00148 
00149 #endif /* SBUILD_AUTH_PAM_CONV_TTY_H */
00150 
00151 /*
00152  * Local Variables:
00153  * mode:C++
00154  * End:
00155  */

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