1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2019, Joyent, Inc.
14 */
15
16 /*
17 * Attempt to open a YubiKey class device and get the basic information applet
18 * through an APDU.
19 */
20
21 #include <err.h>
22 #include <stdlib.h>
23 #include <sys/types.h>
24 #include <sys/stat.h>
25 #include <fcntl.h>
26 #include <strings.h>
27 #include <unistd.h>
28 #include <errno.h>
29
30 #include <sys/usb/clients/ccid/uccid.h>
31
32 static const uint8_t yk_req[] = {
33 0x00, 0xa4, 0x04, 0x00, 0x07, 0xa0, 0x00, 0x00, 0x05, 0x27, 0x20, 0x01
34 };
35
36 int
main(int argc,char * argv[])37 main(int argc, char *argv[])
38 {
39 int fd;
40 ssize_t ret, i;
41 uccid_cmd_txn_begin_t begin;
42 uint8_t buf[UCCID_APDU_SIZE_MAX];
43
44 if (argc != 2) {
45 errx(EXIT_FAILURE, "missing required ccid path");
46 }
47
48 if ((fd = open(argv[1], O_RDWR)) < 0) {
49 err(EXIT_FAILURE, "failed to open %s", argv[1]);
50 }
51
52 bzero(&begin, sizeof (begin));
53 begin.uct_version = UCCID_CURRENT_VERSION;
54
55 if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
56 err(EXIT_FAILURE, "failed to issue begin ioctl");
57 }
58
59 if ((ret = write(fd, yk_req, sizeof (yk_req))) < 0) {
60 err(EXIT_FAILURE, "failed to write data");
61 }
62
63 if ((ret = read(fd, buf, sizeof (buf))) < 0) {
64 err(EXIT_FAILURE, "failed to read data");
65 }
66
67 (void) printf("read %d bytes\n", ret);
68 for (i = 0; i < ret; i++) {
69 (void) printf("%02x", buf[i]);
70 if (i == (ret - 1) || (i % 16) == 15) {
71 (void) printf("\n");
72 } else {
73 (void) printf(" ");
74 }
75 }
76
77 return (0);
78 }
79