复件 test.c

QQ2440 linux刷卡后用户名自动登录getty文件,包含IC读卡器驱动和Makefile文件.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ftcard.h"

static int String2HEX(const char* pInput, int strlen, char* pOutput, int* pOutLen)
{
    int     i;
    char    s1, s2, b1, b2;

    if( pInput == NULL || pOutput == NULL ) {
        return -1;
    }

    if ( 0 != strlen % 2 ) {
        return -1;
    }
    
    if ( *pOutLen < strlen / 2 ) {
        return -1;
    }

    for ( i = 0; i < strlen / 2; ++i ) {
        s1 = pInput[ 2 * i ];
        s2 = pInput[ 2 * i + 1 ];
        b1 = toupper( s1 ) - 0x30;
        if ( b1 > 9 )
                b1 = b1 - 7;
        b2 = toupper( s2 ) - 0x30;
        if ( b2 > 9 )
                b2 = b2 - 7;
        pOutput[i] = (char)( b1 << 4 ) + b2;
    }
    
    *pOutLen = strlen/2;
    
    return 0;
}


int main()
{
    
    int           fd;   /* the handle of rockey200 */
    int           ret;  /* save the value of return */
    
    int           j;
      
    int           send_len;      /* the length of send message */
    int           receive_len;   /* the length of receive message */
    
  //  char          ATRString[ 36 ];  /* save atr info */
    
    unsigned char send_buf[ 256 ];
  //   unsigned char receive_buf[ 256 ];
    
    
    /* the APDU which send to card , you can edit it */    
    char*         apdu = "0084000008";  /* 0084000008 is the get stochastic number apdu */
    
    /* openepass(int Lun) is used to open the card, it must be called.
       if under "/dev" find ftcard0,  the Lun set 0 */
    fd = openepass( 0 );
	if( fd < 0 ) {
	    printf(" \n >>>>not find ftcard driver \n " );
		return -1;
	}
	
	/* get ATR */
	memset( ATRString, 0, sizeof( ATRString ) );
	ret = GetAtr( fd, ATRString );
	if( ret == 0 ) {
		printf(" Get Atr : %s\n", ATRString + 5 );
	} else {  
		return -1;
	}
	
	/* Transmit apdu to get stochastic number */
    memset( send_buf, 0, sizeof( send_buf ) );
    memset( receive_buf, 0, sizeof( receive_buf ) );
    
    send_len = sizeof( send_buf );
    
    
    ret = String2HEX( apdu, strlen( apdu ), (unsigned char*)send_buf, (int*)&send_len );
    if( ret < 0 ) {
        printf( "ret=%d,apdu error!",ret );
        return -1;
    }
    
    /* send apdu */
    ret = TransmitToICC( fd, send_buf, send_len, receive_buf, &receive_len );
    if( ret == 0 ) {
        for( j = 0; j < receive_len; j++ ) {
			printf( "%02x ",receive_buf[j] );
		}
    } else {
        printf( "\n >>>error , not get message \n ");
        return -1;
    }
    printf( "\n" );
	
	/* close pass */
	closeepass(fd);
    
    return 0;
}