bool SimApplication::execute( const QString& cmd )
{
// Process SIM toolkit begin and end commands by forcing the app back to the main menu.
if ( cmd == "AT*TSTB" || cmd == "AT*TSTE") {
d->rules->respond( "OK" );
abort();
return true;
}
// If not AT+CSIM, then this is not a SIM toolkit command.
if ( !cmd.startsWith( "AT+CSIM=" ) )
return false;
// Extract the binary payload of the AT+CSIM command.
int comma = cmd.indexOf( QChar(',') );
if ( comma < 0 )
return false;
QByteArray param = QAtUtils::fromHex( cmd.mid(comma + 1) );
if ( param.length() < 5 || param[0] != (char)0xA0 )
return false;
// Check for TERMINAL PROFILE, FETCH, TERMINAL RESPONSE,
// and ENVELOPE packets.
if ( param[1] == (char)0x10 ) {
// Download of a TERMINAL PROFILE. We respond with a simple OK,
// on the assumption that what we were sent was valid.
d->rules->respond( "+CSIM: 4,9000\nOK" );
// Abort the SIM application and force it to return to the main menu.
abort();
} else if ( param[1] == (char)0x12 ) {
// Fetch the current command contents.
QByteArray resp = d->currentCommand;
if ( resp.isEmpty() ) {
// We weren't expecting a FETCH.
d->rules->respond( "+CSIM: 4,6F00\nOK" );
return true;
}
resp += (char)0x90;
resp += (char)0x00;
d->rules->respond( "+CSIM: " + QString::number( resp.size() * 2 ) + "," +
QAtUtils::toHex( resp ) + "\nOK" );
} else if ( param[1] == (char)0x14 ) {
// Process a TERMINAL RESPONSE message.
QSimTerminalResponse resp;
resp = QSimTerminalResponse::fromPdu( param.mid(5) );
if ( resp.command().type() != QSimCommand::NoCommand &&
resp.command().type() != d->expectedType ) {
// Response to the wrong type of command.
d->rules->respond( "+CSIM: 4,6F00\nOK" );
return true;
}
response( resp );
} else if ( param[1] == (char)0xC2 ) {
// Process a menu selection ENVELOPE message. We turn it into a
// QSimTerminalResponse to make it easier to process.
QSimEnvelope env;
env = QSimEnvelope::fromPdu( param.mid(5) );
if ( env.type() == QSimEnvelope::EventDownload ) {
d->rules->respond( "+CSIM: 4,9000\nOK" );
return true;
}
if ( env.type() != QSimEnvelope::MenuSelection )
return false;
if ( d->expectedType != QSimCommand::SetupMenu ) {
// Envelope sent for the wrong type of command.
d->rules->respond( "+CSIM: 4,6F00\nOK" );
return true;
}
d->rules->respond( "+CSIM: 4,9000\nOK" );
d->expectedType = QSimCommand::NoCommand;
d->currentCommand = QByteArray();
d->target = 0;
d->slot = 0;
if ( env.requestHelp() )
mainMenuHelpRequest( env.menuItem() );
else
mainMenuSelection( env.menuItem() );
} else {
// This SIM command is not related to SIM toolkit - ignore it.
return false;
}
return true;
}
