1 /*- 2 * Copyright (c) 2013 Jilles Tjoelker 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/filio.h> 28 #include <errno.h> 29 #include <fcntl.h> 30 #include <stdio.h> 31 #include <unistd.h> 32 33 #include <atf-c.h> 34 35 /* 36 * O_ACCMODE is currently defined incorrectly. This is what it should be. 37 * Various code depends on the incorrect value. 38 */ 39 #define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC) 40 41 static void 42 basic_tests(const char *path, int omode, const char *omodetext) 43 { 44 int fd, flags1, flags2, flags3; 45 46 fd = open(path, omode); 47 ATF_REQUIRE_MSG(fd != -1, "open(\"%s\", %s) failed: %s", path, 48 omodetext, strerror(errno)); 49 50 flags1 = fcntl(fd, F_GETFL); 51 ATF_REQUIRE_MSG(flags1 != -1, "fcntl(F_GETFL) (1) failed: %s", 52 strerror(errno)); 53 ATF_REQUIRE_INTEQ(omode, flags1 & CORRECT_O_ACCMODE); 54 ATF_REQUIRE((flags1 & O_NONBLOCK) == 0); 55 56 ATF_REQUIRE_MSG(fcntl(fd, F_SETFL, flags1) != -1, 57 "fcntl(F_SETFL) same flags failed: %s", strerror(errno)); 58 59 flags2 = fcntl(fd, F_GETFL); 60 ATF_REQUIRE_MSG(flags2 != -1, "fcntl(F_GETFL) (2) failed: %s", 61 strerror(errno)); 62 ATF_REQUIRE_INTEQ(flags1, flags2); 63 64 ATF_REQUIRE_MSG(fcntl(fd, F_SETFL, flags2 | O_NONBLOCK) != -1, 65 "fcntl(F_SETFL) O_NONBLOCK failed: %s", strerror(errno)); 66 67 flags3 = fcntl(fd, F_GETFL); 68 ATF_REQUIRE_MSG(flags3 != -1, "fcntl(F_GETFL) (3) failed: %s", 69 strerror(errno)); 70 ATF_REQUIRE_INTEQ(flags2 | O_NONBLOCK, flags3); 71 72 (void)close(fd); 73 } 74 75 ATF_TC_WITHOUT_HEAD(read_only_null); 76 ATF_TC_BODY(read_only_null, tc) 77 { 78 basic_tests("/dev/null", O_RDONLY, "O_RDONLY"); 79 } 80 81 ATF_TC_WITHOUT_HEAD(write_only_null); 82 ATF_TC_BODY(write_only_null, tc) 83 { 84 basic_tests("/dev/null", O_WRONLY, "O_WRONLY"); 85 } 86 87 ATF_TC_WITHOUT_HEAD(read_write_null); 88 ATF_TC_BODY(read_write_null, tc) 89 { 90 basic_tests("/dev/null", O_RDWR, "O_RDWR"); 91 } 92 93 ATF_TC_WITHOUT_HEAD(exec_only_sh); 94 ATF_TC_BODY(exec_only_sh, tc) 95 { 96 basic_tests("/bin/sh", O_EXEC, "O_EXEC"); 97 } 98 99 ATF_TC_WITHOUT_HEAD(fioasync_dev_null); 100 ATF_TC_BODY(fioasync_dev_null, tc) 101 { 102 int fd, flags1, flags2, val; 103 104 fd = open("/dev/null", O_RDONLY); 105 ATF_REQUIRE_MSG(fd != -1, "open(\"/dev/null\") failed: %s", 106 strerror(errno)); 107 108 flags1 = fcntl(fd, F_GETFL); 109 ATF_REQUIRE_MSG(flags1 != -1, "fcntl(F_GETFL) (1) failed: %s", 110 strerror(errno)); 111 ATF_REQUIRE((flags1 & O_ASYNC) == 0); 112 113 val = 1; 114 ATF_REQUIRE_ERRNO(EINVAL, ioctl(fd, FIOASYNC, &val) == -1); 115 116 flags2 = fcntl(fd, F_GETFL); 117 ATF_REQUIRE_MSG(flags2 != -1, "fcntl(F_GETFL) (2) failed: %s", 118 strerror(errno)); 119 ATF_REQUIRE_INTEQ(flags1, flags2); 120 121 (void)close(fd); 122 } 123 124 ATF_TP_ADD_TCS(tp) 125 { 126 ATF_TP_ADD_TC(tp, read_only_null); 127 ATF_TP_ADD_TC(tp, write_only_null); 128 ATF_TP_ADD_TC(tp, read_write_null); 129 ATF_TP_ADD_TC(tp, exec_only_sh); 130 ATF_TP_ADD_TC(tp, fioasync_dev_null); 131 132 return (atf_no_error()); 133 } 134