/* PAM handlers class interface. The methods on the dual control class
  * correspond directly to the specified PAM handler entrypoints.
  *
  * See "dual_control_integrate.cc"
  */
 

 #ifndef _DUAL_CONTROL_H
 #define _DUAL_CONTROL_H
 
 #include <memory>
 

 #include "request.h"

 #include "validator.h"
 #include "conversation.h"

 #include "logger.h"

 struct dual_control_configuration {
     validator validator;

     conversation conversation;

     logger logger;
 };
 

 class dual_control_ifc
 {
 public:
     virtual ~dual_control_ifc() {}

     virtual int authenticate (const pam_request &request);
     virtual int setcred (const pam_request &request);

 };

 class dual_control : public dual_control_ifc
 {
 private:
     std::shared_ptr<dual_control_ifc> delegate_;
 public:
     dual_control (std::shared_ptr<dual_control_ifc> delegate) : delegate_
         (delegate) {}
     dual_control() : dual_control (std::shared_ptr<dual_control_ifc>
                                        (new dual_control_ifc)) {}
     int authenticate (const pam_request &request)
     {
         return delegate_->authenticate (request);
     }
     int setcred (const pam_request &request)
     {
         return delegate_->setcred (request);
     }
 

 };

 dual_control create_dual_control (const dual_control_configuration
                                   &configuration);

 #endif