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pinentrycontroller.cpp
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This document is not UTF8. It was detected as Shift JIS and converted to UTF8 for display.
/* pinentrycontroller.cpp - A secure KDE dialog for PIN entry.
Copyright (C) 2002 Klar舁vdalens Datakonsult AB
Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA */
#include "pinentrycontroller.h"
#include "pinentrydialog.h"
extern "C"
{
#include "memory.h"
}
#ifdef USE_KDE
# include <kmessagebox.h>
#else
# include <qmessagebox.h>
#endif
#include <stdlib.h>
PinEntryController::PinEntryController() : _pinentry( 0 )
{
int fds[2];
fds[0] = 0;
fds[1] = 1;
assuan_set_malloc_hooks( secmem_malloc, secmem_realloc, secmem_free );
int rc = assuan_init_pipe_server( &_ctx, fds );
if( rc ) {
qDebug(assuan_strerror( static_cast<AssuanError>(rc) ));
exit(-1);
}
rc = registerCommands();
assuan_set_pointer( _ctx, this );
}
PinEntryController::~PinEntryController()
{
assuan_deinit_server( _ctx );
}
void PinEntryController::exec()
{
while( true ) {
int rc = assuan_accept( _ctx );
if( rc == -1 ) {
qDebug("Assuan terminated");
break;
} else if( rc ) {
qDebug("Assuan accept problem: %s", assuan_strerror( static_cast<AssuanError>(rc) ) );
break;
}
rc = assuan_process( _ctx );
if( rc ) {
qDebug("Assuan processing failed: %s", assuan_strerror( static_cast<AssuanError>(rc) ) );
continue;
}
}
}
int PinEntryController::registerCommands()
{
static struct {
const char *name;
int cmd_id;
int (*handler)(ASSUAN_CONTEXT, char *line);
} table[] = {
{ "SETDESC", 0, PinEntryController::assuanDesc },
{ "SETPROMPT", 0, PinEntryController::assuanPrompt },
{ "SETERROR", 0, PinEntryController::assuanError },
{ "SETOK", 0, PinEntryController::assuanOk },
{ "SETCANCEL", 0, PinEntryController::assuanCancel },
{ "GETPIN", 0, PinEntryController::assuanGetpin },
{ "CONFIRM", 0, PinEntryController::assuanConfirm },
{ 0,0,0 }
};
int i, j, rc;
for (i=j=0; table[i].name; i++) {
rc = assuan_register_command (_ctx,
table[i].cmd_id? table[i].cmd_id
: (ASSUAN_CMD_USER + j++),
table[i].name, table[i].handler);
if (rc) return rc;
}
return 0;
}
int PinEntryController::assuanDesc( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanDesc( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
that->_desc = QString::fromUtf8(line);
that->_error = QString::null;
return 0;
}
int PinEntryController::assuanPrompt( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanPrompt( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
that->_prompt = QString::fromUtf8(line);
that->_error = QString::null;
return 0;
}
int PinEntryController::assuanError( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanError( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
that->_error = QString::fromUtf8(line);
return 0;
}
int PinEntryController::assuanOk ( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanOk( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
that->_ok = QString::fromUtf8(line);
return 0;
}
int PinEntryController::assuanCancel( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanCancel( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
that->_cancel = QString::fromUtf8(line);
return 0;
}
int PinEntryController::assuanGetpin( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanGetpin( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
return that->getPin( line );
}
int PinEntryController::getPin( char* line ) {
if( _pinentry == 0 ) {
_pinentry = new PinEntryDialog(0,0,true);
}
_pinentry->setPrompt( _prompt );
_pinentry->setDescription( _desc );
_pinentry->setText(QString::null);
if( !_ok.isNull() ) _pinentry->setOkText( _ok );
if( !_cancel.isNull() ) _pinentry->setCancelText( _cancel );
if( !_error.isNull() ) _pinentry->setError( _error );
connect( _pinentry, SIGNAL( accepted() ),
this, SLOT( slotAccepted() ) );
connect( _pinentry, SIGNAL( rejected() ),
this, SLOT( slotRejected() ) );
bool ret = _pinentry->exec();
FILE* fp = assuan_get_data_fp( _ctx );
if( ret ) {
fputs( static_cast<const char*>(_pinentry->text().utf8()), fp );
return 0;
} else {
assuan_set_error( _ctx, ASSUAN_Canceled, "Dialog cancelled by user" );
return ASSUAN_Canceled;
}
}
int PinEntryController::assuanConfirm( ASSUAN_CONTEXT ctx, char* line )
{
//qDebug("PinEntryController::assuanConfirm( %s )", line );
PinEntryController* that = static_cast<PinEntryController*>(assuan_get_pointer(ctx));
return that->confirm( line );
}
int PinEntryController::confirm( char* line )
{
int ret;
#ifdef USE_KDE
if( !_error.isNull() ) {
ret = KMessageBox::questionYesNo( 0, _error );
} else {
ret = KMessageBox::questionYesNo( 0, _desc );
}
FILE* fp = assuan_get_data_fp( _ctx );
if( ret == KMessageBox::Yes ) {
#else
if( !_error.isNull() ) {
ret = QMessageBox::critical( 0, "", _error, QMessageBox::Yes, QMessageBox::No );
} else {
ret = QMessageBox::information( 0, "", _desc, QMessageBox::Yes, QMessageBox::No );
}
FILE* fp = assuan_get_data_fp( _ctx );
if( ret == 0 ) {
#endif // USE_KDE
fputs( "YES", fp );
} else {
fputs( "NO", fp );
}
return 0;
}
void PinEntryController::slotAccepted()
{
//qDebug("PinEntryController::slotAccepted() NYI");
_pinentry->accept();
}
void PinEntryController::slotRejected()
{
//qDebug("PinEntryController::slotRejected() NYI");
_pinentry->reject();
}

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Expires
Sat, Jan 31, 11:09 PM (22 h, 35 m)
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