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 * Verify various bad read conditions fail successfully.
18 */
19
20 #include <err.h>
21 #include <stdlib.h>
22 #include <sys/types.h>
23 #include <sys/stat.h>
24 #include <fcntl.h>
25 #include <strings.h>
26 #include <unistd.h>
27 #include <errno.h>
28
29 #include <sys/usb/clients/ccid/uccid.h>
30
31 int
main(int argc,char * argv[])32 main(int argc, char *argv[])
33 {
34 int fd;
35 uccid_cmd_txn_begin_t begin;
36 ssize_t ret;
37 char buf[500];
38
39 if (argc != 2) {
40 errx(EXIT_FAILURE, "missing required ccid path");
41 }
42
43 if ((fd = open(argv[1], O_RDWR)) < 0) {
44 err(EXIT_FAILURE, "failed to open %s", argv[1]);
45 }
46
47 bzero(&begin, sizeof (begin));
48 begin.uct_version = UCCID_CURRENT_VERSION;
49
50 /*
51 * Read without having a transaction
52 */
53 ret = read(fd, buf, sizeof (buf));
54 if (ret != -1) {
55 errx(EXIT_FAILURE, "read succeeded when it should have failed "
56 "(EACCES case), returned %zd", ret);
57 }
58
59 if (errno != EACCES) {
60 errx(EXIT_FAILURE, "found wrong value for errno. Expected "
61 "%d, received %d", EACCES, errno);
62 }
63
64 if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
65 err(EXIT_FAILURE, "failed to issue begin ioctl");
66 }
67
68 ret = read(fd, buf, sizeof (buf));
69 if (ret != -1) {
70 errx(EXIT_FAILURE, "read succeeded when it should have failed "
71 "(ENODATA case), returned %zd", ret);
72 }
73
74 if (errno != ENODATA) {
75 errx(EXIT_FAILURE, "found wrong value for errno. Expected "
76 "%d, received %d", ENODATA, errno);
77 }
78
79 return (0);
80 }
81