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/*****************************************************************
/
/ File : ctapi.c
/ Author : David Corcoran
/ Date : September 2, 1998
/ Purpose: Defines CT-API functions
/ License: See file LICENSE
/
******************************************************************/
#include <stdio.h>
#include "defines.h"
#include "ctapi.h"
#include "serial.h"
/* Initializes the port on which the reader resides */
int CT_init ( unsigned int Ctn, unsigned int pn ) {
bool BretVal; /* Return value from IO_InitializePort() */
int IretVal; /* Return for this function */
switch( pn ) {
case PORT_COM1:
#ifdef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/cua/a");
#endif
#ifndef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/ttyS0");
#endif
break;
case PORT_COM2:
#ifdef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/cua/b");
#endif
#ifndef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/ttyS1");
#endif
break;
case PORT_COM3:
#ifdef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/cua/c");
#endif
#ifndef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/ttyS2");
#endif
break;
case PORT_COM4:
#ifdef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/cua/d");
#endif
#ifndef SUN_SPARC
BretVal = IO_InitializePort(9600,8,'E',"/dev/ttyS3");
#endif
break;
case PORT_Printer:
BretVal = IO_InitializePort(9600,8,'E',"Printer Port");
break;
case PORT_Modem:
BretVal = IO_InitializePort(9600,8,'E',"Modem Port");
break;
default:
BretVal = IO_InitializePort(9600,8,'E',"/dev/smartcard");
break;
}
if (BretVal != TRUE) {
IretVal = ERR_MEMORY; /* Could not allocate port */
} else {
IretVal = OK;
}
return IretVal;
}
/* Closes the port in which the reader resides */
int CT_close( unsigned int Ctn ) {
if (IO_Close() == TRUE) {
return OK;
} else {
return ERR_CT;
}
}
/* Sends/Receives Data to/from the Reader */
int CT_data( unsigned int ctn, unsigned char *dad, unsigned char *sad,
unsigned int lc, unsigned char *cmd, unsigned int *lr,
unsigned char *rsp ) {
/* Reader specific CT-BCS commands */
unsigned char pcSetMode[6] = {0x61, 0x00, 0x00, 0x10, 0x00, 0x00};
unsigned char cReset = 0x64;
unsigned char cStatus = 0x65;
unsigned char cActivate = 0x60;
unsigned char cDeActivate = 0x6A;
unsigned char BoutComm[MAX_BUFFER_SIZE]; /* Command Buffer */
unsigned char BackByte; /* Ack Byte */
unsigned char BrdrResp[3]; /* Reader Response */
unsigned char cRdrIrsp[5]; /* Ack + Size Resp */
unsigned int lctb; /* CTBCS Size */
int IretVal; /* Return Value */
int i;
*lr = 0;
if ( *dad == 1 ) { /* This command goes to the reader */
*sad = 1; /* Source Reader */
*dad = 2; /* Destination Host */
/* The following is NOT a CTBCS */
/*******************/
/* CT-BCS Commands */
/*******************/
/* Request ICC - Turns on the reader/card */
if ( (cmd[0] = 0x20) && (cmd[1] == 0x12) ) {
IretVal = ERR_TRANS; /* Transmission Error by default */
if ( IO_UpdateReturnBlock( 5 ) ) {
if ( IO_Write( cActivate ) ) {
if ( IO_Read( 1, &BackByte ) ) {
if ( BackByte == 0x60 ) {
sleep(2); /* Wait for reader to respond */
IO_FlushBuffer(); /* Flush all chars on stream */
*lr = 0;
IretVal = OK;
}
}
}
}
/* Resets the Card/Terminal and returns Atr */
} else if ( (cmd[0] = 0x20) && (cmd[1] == 0x11) ) {
IretVal = ERR_TRANS; /* Transmission Error by default */
if ( IO_UpdateReturnBlock( 5 ) ) {
if ( IO_Write( cReset ) ) {
if ( IO_Read( 4, cRdrIrsp ) ) {
if ( cRdrIrsp[0] == 0x62 ) { /* Ack */
if ( IO_Read( cRdrIrsp[3], rsp ) ) { /* Read Atr */
*lr = cRdrIrsp[3] + 2; /* Size of Atr */
rsp[cRdrIrsp[3]] = 0x90; rsp[cRdrIrsp[3]+1] = 0x00;
IretVal = OK;
/* This set's the reader mode to T=0
It must be done here since no
protocol has been negotiated after
resets */
for (i=0; i<sizeof(pcSetMode); i++) {
if ( IO_Write(pcSetMode[i]) ) {
if ( IO_Read( 1, &BackByte ) ) {
if ( BackByte != 0x62 ) {
IretVal = ERR_TRANS;
}
}
}
}
}
}
}
}
}
/* Get Status - Gets reader status */
} else if ( (cmd[0] = 0x20) && (cmd[1] == 0x13) ) {
if ( IO_UpdateReturnBlock( 5 ) ) {
if ( IO_Write( cStatus ) ) {
if ( IO_Read( 2, cRdrIrsp ) ) {
IO_FlushBuffer();
*lr = 1; /* CT-BCS status byte */
if ( cRdrIrsp[1] == 0x19 ) {
rsp[0] = 0x04; /* ICC inserted/powered */
IretVal = OK;
} else if ( cRdrIrsp[2] == 0x02 ) {
rsp[0] = 0x03; /* ICC inserted/no power */
IretVal = OK;
} else if ( cRdrIrsp[1] <= 0x01 ) {
rsp[0] = 0x00; /* No ICC/no power */
IretVal = OK;
} else {
*lr = 0;
IretVal = ERR_TRANS;
}
}
}
}
/* Eject ICC - Deactivates Reader */
} else if ( (cmd[0] = 0x20) && (cmd[1] == 0x15) ) {
if ( IO_UpdateReturnBlock( 5 ) ) {
if ( IO_Write( cDeActivate ) ) {
IretVal = OK;
}
}
} else {
for (i=0; i < lc; i++) {
if (IO_Write( cmd[i] )) {
IretVal = OK; /* Transmission OK */
}
else {
IretVal = ERR_TRANS; /* Transmission Error */
break;
}
}
}
} else if ( *dad == 0 ) { /* This command goes to the card */
*sad = 0; /* Source Smartcard */
*dad = 2; /* Destination Host */
BoutComm[0] = 0x67; /* Send Reader Block */
BoutComm[1] = 0x00;
BoutComm[2] = lc; /* Length of command */
memcpy( &BoutComm[3], cmd, lc ); /* Copy the command */
for ( i=0; i < lc+3; i++ ) {
if ( !IO_Write( BoutComm[i] ) ) {
IretVal = ERR_TRANS; /* Transmission Error */
break;
}
else {
IretVal = OK; /* Transmission OK */
}
}
IO_UpdateReturnBlock(5);
if ( IretVal == OK ) { /* Transmission was OK */
if ( IO_Read( 1, &BackByte ) ) {
if ( BackByte == 0x62 ) { /* Reader Acks */
if ( IO_Read( 3, BrdrResp ) ) { /* Response Block/Size */
if ( BrdrResp[0] == 0x64 ) { /* Sending Block */
*lr = BrdrResp[2]; /* Length of Return */
if ( IO_Read( *lr, rsp ) ) { /* Gets Response */
IretVal = OK;
} else {
IretVal = ERR_TRANS; /* Transmission Error */
}
} else {
IretVal = ERR_INVALID; /* Invalid Command */
}
} else {
IretVal = ERR_TRANS; /* Transmission Error */
}
} else {
IretVal = ERR_INVALID; /* Invalid Command */
}
} else {
IretVal = ERR_TRANS; /* Transmission Error */
}
}
} else {
IretVal = ERR_INVALID; /* Invalid Destination */
}
if (IretVal != OK) {
*lr = 0;
}
return IretVal;
}
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