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 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