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 /* 28 * Test program for mkostemp(). 29 */ 30 31 #include <sys/stat.h> 32 33 #include <errno.h> 34 #include <fcntl.h> 35 #include <paths.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <unistd.h> 40 41 #include <atf-c.h> 42 43 static const char template[] = "mkostemp.XXXXXXXX"; 44 static int testnum; 45 46 #define MISCFLAGS (O_APPEND | O_DIRECT | O_SHLOCK | O_EXLOCK | O_SYNC) 47 48 static void 49 test_one(int oflags) 50 { 51 char tmpf[sizeof(template)]; 52 struct stat st1, st2; 53 int fd; 54 55 memcpy(tmpf, template, sizeof(tmpf)); 56 fd = mkostemp(tmpf, oflags); 57 if (fd < 0) { 58 printf("not ok %d - oflags=%#x " 59 "mkostemp() reported failure: %s\n", 60 testnum++, oflags, strerror(errno)); 61 return; 62 } 63 if (memcmp(tmpf, template, sizeof(tmpf) - 8 - 1) != 0) { 64 printf("not ok %d - oflags=%#x " 65 "returned pathname does not match template: %s\n", 66 testnum++, oflags, tmpf); 67 return; 68 } 69 do { 70 if (fcntl(fd, F_GETFD) != 71 (oflags & O_CLOEXEC ? FD_CLOEXEC : 0)) { 72 printf("not ok %d - oflags=%#x " 73 "close-on-exec flag incorrect\n", 74 testnum++, oflags); 75 break; 76 } 77 if ((fcntl(fd, F_GETFL) & MISCFLAGS) != (oflags & MISCFLAGS)) { 78 printf("not ok %d - oflags=%#x " 79 "open flags incorrect\n", 80 testnum++, oflags); 81 break; 82 } 83 if (stat(tmpf, &st1) == -1) { 84 printf("not ok %d - oflags=%#x " 85 "cannot stat returned pathname %s: %s\n", 86 testnum++, oflags, tmpf, strerror(errno)); 87 break; 88 } 89 if (fstat(fd, &st2) == -1) { 90 printf("not ok %d - oflags=%#x " 91 "cannot fstat returned fd %d: %s\n", 92 testnum++, oflags, fd, strerror(errno)); 93 break; 94 } 95 if (!S_ISREG(st1.st_mode) || (st1.st_mode & 0777) != 0600 || 96 st1.st_nlink != 1 || st1.st_size != 0) { 97 printf("not ok %d - oflags=%#x " 98 "named file attributes incorrect\n", 99 testnum++, oflags); 100 break; 101 } 102 if (!S_ISREG(st2.st_mode) || (st2.st_mode & 0777) != 0600 || 103 st2.st_nlink != 1 || st2.st_size != 0) { 104 printf("not ok %d - oflags=%#x " 105 "opened file attributes incorrect\n", 106 testnum++, oflags); 107 break; 108 } 109 if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) { 110 printf("not ok %d - oflags=%#x " 111 "named and opened file do not match\n", 112 testnum++, oflags); 113 break; 114 } 115 (void)unlink(tmpf); 116 if (fstat(fd, &st2) == -1) 117 printf("not ok %d - oflags=%#x " 118 "cannot fstat returned fd %d again: %s\n", 119 testnum++, oflags, fd, strerror(errno)); 120 else if (st2.st_nlink != 0) 121 printf("not ok %d - oflags=%#x " 122 "st_nlink is not 0 after unlink\n", 123 testnum++, oflags); 124 else 125 printf("ok %d - oflags=%#x\n", testnum++, oflags); 126 (void)close(fd); 127 return; 128 } while (0); 129 (void)close(fd); 130 (void)unlink(tmpf); 131 } 132 133 ATF_TC_WITHOUT_HEAD(zero); 134 ATF_TC_BODY(zero, tc) 135 { 136 137 test_one(0); 138 } 139 140 ATF_TC_WITHOUT_HEAD(O_CLOEXEC); 141 ATF_TC_BODY(O_CLOEXEC, tc) 142 { 143 144 test_one(O_CLOEXEC); 145 } 146 147 ATF_TC_WITHOUT_HEAD(O_APPEND); 148 ATF_TC_BODY(O_APPEND, tc) 149 { 150 151 test_one(O_APPEND); 152 } 153 154 ATF_TC_WITHOUT_HEAD(O_APPEND__O_CLOEXEC); 155 ATF_TC_BODY(O_APPEND__O_CLOEXEC, tc) 156 { 157 158 test_one(O_APPEND|O_CLOEXEC); 159 } 160 161 ATF_TC_WITHOUT_HEAD(bad_flags); 162 ATF_TC_BODY(bad_flags, tc) 163 { 164 165 char tmpf[sizeof(template)]; 166 167 memcpy(tmpf, template, sizeof(tmpf)); 168 ATF_REQUIRE_MSG(mkostemp(tmpf, O_CREAT) == -1, 169 "mkostemp(O_CREAT) succeeded unexpectedly"); 170 } 171 172 ATF_TP_ADD_TCS(tp) 173 { 174 175 ATF_TP_ADD_TC(tp, zero); 176 ATF_TP_ADD_TC(tp, O_CLOEXEC); 177 ATF_TP_ADD_TC(tp, O_APPEND); 178 ATF_TP_ADD_TC(tp, O_APPEND__O_CLOEXEC); 179 ATF_TP_ADD_TC(tp, bad_flags); 180 181 return (atf_no_error()); 182 } 183