Helper Classes to handle cyrus-sasl interactions

This commit is contained in:
Ralf Haferkamp 2007-12-19 16:54:42 +00:00
parent 4d06dc7ddd
commit 914872c12a
4 changed files with 192 additions and 0 deletions

View File

@ -0,0 +1,43 @@
/*
* Copyright 2007, OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <SaslInteraction.h>
#include <iostream>
#include "debug.h"
SaslInteraction::SaslInteraction( sasl_interact_t *interact ) :
m_interact(interact) {}
SaslInteraction::~SaslInteraction()
{
DEBUG(LDAP_DEBUG_TRACE, "SaslInteraction::~SaslInteraction()" << std::endl);
}
unsigned long SaslInteraction::getId() const
{
return m_interact->id;
}
const std::string SaslInteraction::getPrompt() const
{
return std::string(m_interact->prompt);
}
const std::string SaslInteraction::getChallenge() const
{
return std::string(m_interact->challenge);
}
const std::string SaslInteraction::getDefaultResult() const
{
return std::string(m_interact->defresult);
}
void SaslInteraction::setResult(const std::string &res)
{
m_result = res;
m_interact->result = m_result.data();
m_interact->len = m_result.size();
}

View File

@ -0,0 +1,28 @@
/*
* Copyright 2007, OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef SASL_INTERACTION_H
#define SASL_INTERACTION_H
#include <string>
#include <sasl/sasl.h>
class SaslInteraction {
public:
SaslInteraction( sasl_interact_t *interact );
~SaslInteraction();
unsigned long getId() const;
const std::string getPrompt() const;
const std::string getChallenge() const;
const std::string getDefaultResult() const;
void setResult(const std::string &res);
private:
sasl_interact_t *m_interact;
std::string m_result;
};
#endif /* SASL_INTERACTION_H */

View File

@ -0,0 +1,95 @@
/*
* Copyright 2007, OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <iostream>
#include <iomanip>
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
#include "SaslInteractionHandler.h"
#include "SaslInteraction.h"
#include "debug.h"
void DefaultSaslInteractionHandler::handleInteractions(
const std::list<SaslInteraction*> &cb )
{
DEBUG(LDAP_DEBUG_TRACE, "DefaultSaslInteractionHandler::handleCallbacks()"
<< std::endl );
std::list<SaslInteraction*>::const_iterator i;
for (i = cb.begin(); i != cb.end(); i++ ) {
bool noecho;
cleanupList.push_back(*i);
std::cout << (*i)->getPrompt();
if (! (*i)->getDefaultResult().empty() ) {
std::cout << "(" << (*i)->getDefaultResult() << ")" ;
}
std:: cout << ": ";
switch ( (*i)->getId() ) {
case SASL_CB_PASS:
case SASL_CB_ECHOPROMPT:
noecho = true;
noecho = true;
break;
default:
noecho = false;
break;
}
#ifdef HAVE_TERMIOS_H
/* turn off terminal echo if needed */
struct termios old_attr;
if ( noecho ) {
struct termios attr;
if (tcgetattr(STDIN_FILENO, &attr) < 0) {
perror("tcgetattr");
}
/* save terminal attributes */
memcpy(&old_attr, &attr, sizeof(attr));
/* disable echo */
attr.c_lflag &= ~(ECHO);
/* write attributes to terminal */
if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &attr) < 0) {
perror("tcsetattr");
}
}
#endif /* HAVE_TERMIOS_H */
std::string input;
std::cin >> std::noskipws >> input;
std::cin >> std::skipws;
(*i)->setResult(input);
if( std::cin.fail() ) {
std::cin.clear();
}
/* ignore the rest of the input line */
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
#ifdef HAVE_TERMIOS_H
/* restore terminal settings */
if ( noecho ) {
tcsetattr(STDIN_FILENO, TCSANOW, &old_attr);
std::cout << std::endl;
}
#endif /* HAVE_TERMIOS_H */
}
}
DefaultSaslInteractionHandler::~DefaultSaslInteractionHandler()
{
DEBUG(LDAP_DEBUG_TRACE, "DefaultSaslInteractionHandler::~DefaultSaslInteractionHandler()"
<< std::endl );
std::list<SaslInteraction*>::const_iterator i;
for (i = cleanupList.begin(); i != cleanupList.end(); i++ ) {
delete(*i);
}
}

View File

@ -0,0 +1,26 @@
/*
* Copyright 2007, OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef SASL_INTERACTION_HANDLER_H
#define SASL_INTERACTION_HANDLER_H
#include <list>
class SaslInteraction;
class SaslInteractionHandler {
public:
virtual void handleInteractions( const std::list<SaslInteraction*> &cb )=0;
virtual ~SaslInteractionHandler() {}
};
class DefaultSaslInteractionHandler {
public:
virtual void handleInteractions( const std::list<SaslInteraction*> &cb );
virtual ~DefaultSaslInteractionHandler();
private:
std::list<SaslInteraction*> cleanupList;
};
#endif /* SASL_INTERACTION_HANDLER_H */