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 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 %ld", 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 %ld", 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