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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019, Joyent, Inc.
*/
/*
* Verify that we can issue ICC_MODIFY ioctls. Also, check some of the failure
* modes.
*/
#include <err.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <strings.h>
#include <unistd.h>
#include <sys/debug.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/usb/clients/ccid/uccid.h>
static const uint8_t yk_req[] = {
0x00, 0xa4, 0x04, 0x00, 0x07, 0xa0, 0x00, 0x00, 0x05, 0x27, 0x20, 0x01
};
int
main(int argc, char *argv[])
{
int fd, ret;
uccid_cmd_icc_modify_t uci;
uccid_cmd_status_t ucs;
uccid_cmd_txn_begin_t begin;
uint8_t buf[UCCID_APDU_SIZE_MAX];
if (argc != 2) {
errx(EXIT_FAILURE, "missing required ccid path");
}
if ((fd = open(argv[1], O_RDWR)) < 0) {
err(EXIT_FAILURE, "failed to open %s", argv[1]);
}
/* power off the card outside of a transaction */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_OFF;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is inactive now */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, ==, 0);
/* power on the card outside of a transaction */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_ON;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is active again */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, !=, 0);
/* enter transaction */
bzero(&begin, sizeof (begin));
begin.uct_version = UCCID_CURRENT_VERSION;
if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
err(EXIT_FAILURE, "failed to issue begin ioctl");
}
/* make sure the card is active (power on) */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, !=, 0);
/* power off the card */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_OFF;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is inactive now */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, ==, 0);
/* power on the card */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_ON;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is active again */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, !=, 0);
/* do a warm reset of the card */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_WARM_RESET;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is still active */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, !=, 0);
/* write a command to the card, which is assumed to be a YubiKey */
if ((ret = write(fd, yk_req, sizeof (yk_req))) < 0) {
err(EXIT_FAILURE, "failed to write data");
}
/* power off the card */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_OFF;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is inactive now */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, ==, 0);
/* try to read the answer from the YubiKey. */
ret = read(fd, buf, sizeof (buf));
VERIFY3S(ret, ==, -1);
VERIFY3S(errno, ==, ENXIO);
/* power on the card */
bzero(&uci, sizeof (uci));
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = UCCID_ICC_POWER_ON;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, 0);
/* make sure the card is active again */
bzero(&ucs, sizeof (ucs));
ucs.ucs_version = UCCID_CURRENT_VERSION;
ret = ioctl(fd, UCCID_CMD_STATUS, &ucs);
VERIFY3S(ret, ==, 0);
VERIFY3U(ucs.ucs_status & UCCID_STATUS_F_CARD_ACTIVE, !=, 0);
/* test various failure modes */
uci.uci_version = UCCID_VERSION_ONE - 1;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, -1);
VERIFY3S(errno, ==, EINVAL);
uci.uci_version = UCCID_VERSION_ONE + 1;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, -1);
VERIFY3S(errno, ==, EINVAL);
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = 0;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, -1);
VERIFY3S(errno, ==, EINVAL);
uci.uci_version = UCCID_CURRENT_VERSION;
uci.uci_action = -1;
ret = ioctl(fd, UCCID_CMD_ICC_MODIFY, &uci);
VERIFY3S(ret, ==, -1);
VERIFY3S(errno, ==, EINVAL);
return (0);
}
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