#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <pcsclite.h>
#include <winscard.h>
#include "globals.h"

readbin_op(offset, len)
	unsigned offset, len;
{
	u_char cmd[5];
	int rc;

	/* READ BINARY command APDU */
	cmd[0] = 0xA0;
	cmd[1] = 0xB0;
	cmd[2] = offset >> 8;
	cmd[3] = offset;
	cmd[4] = len;
	rc = apdu_exchange(cmd, 5);
	if (rc < 0)
		return(rc);
	if (sim_resp_sw != 0x9000) {
		fprintf(stderr, "bad SW response to READ BINARY: %04X\n",
			sim_resp_sw);
		return(-1);
	}
	if (sim_resp_data_len != len) {
		fprintf(stderr,
			"error: READ BINARY returned %u bytes, expected %u\n",
			sim_resp_data_len, len);
		return(-1);
	}
	return(0);
}

readrec_op(recno, mode, len)
	unsigned recno, mode, len;
{
	u_char cmd[5];
	int rc;

	/* READ RECORD command APDU */
	cmd[0] = 0xA0;
	cmd[1] = 0xB2;
	cmd[2] = recno;
	cmd[3] = mode;
	cmd[4] = len;
	rc = apdu_exchange(cmd, 5);
	if (rc < 0)
		return(rc);
	if (sim_resp_sw != 0x9000) {
		fprintf(stderr, "bad SW response to READ RECORD: %04X\n",
			sim_resp_sw);
		return(-1);
	}
	if (sim_resp_data_len != len) {
		fprintf(stderr,
			"error: READ RECORD returned %u bytes, expected %u\n",
			sim_resp_data_len, len);
		return(-1);
	}
	return(0);
}