1 /*- 2 * Copyright (c) 2014 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/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <errno.h> 31 #include <paths.h> 32 #include <stdbool.h> 33 #include <stdio.h> 34 #include <string.h> 35 36 #include <atf-c.h> 37 38 static void 39 runtest(const char *fname1, const char *mode1, const char *fname2, 40 const char *mode2, bool success) 41 { 42 FILE *fp1, *fp2; 43 const char *fname2_print; 44 45 fname2_print = fname2 != NULL ? fname2 : "<NULL>"; 46 fp1 = fopen(fname1, mode1); 47 ATF_REQUIRE_MSG(fp1 != NULL, 48 "fopen(\"%s\", \"%s\") failed; errno=%d", fname1, mode1, errno); 49 fp2 = freopen(fname2, mode2, fp1); 50 if (fp2 == NULL) { 51 fclose(fp1); 52 ATF_REQUIRE_MSG(success == false, 53 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) succeeded " 54 "unexpectedly", fname2_print, mode2, fname1, mode1); 55 return; 56 } 57 ATF_REQUIRE_MSG(success == true, 58 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) failed: %d", 59 fname2_print, mode2, fname1, mode1, errno); 60 fclose(fp2); 61 } 62 63 ATF_TC_WITHOUT_HEAD(null__r__r__test); 64 ATF_TC_BODY(null__r__r__test, tc) 65 { 66 67 runtest(_PATH_DEVNULL, "r", NULL, "r", true); 68 } 69 70 ATF_TC_WITHOUT_HEAD(null__w__r__test); 71 ATF_TC_BODY(null__w__r__test, tc) 72 { 73 74 runtest(_PATH_DEVNULL, "w", NULL, "r", false); 75 } 76 77 ATF_TC_WITHOUT_HEAD(null__r_append__r__test); 78 ATF_TC_BODY(null__r_append__r__test, tc) 79 { 80 81 runtest(_PATH_DEVNULL, "r+", NULL, "r", true); 82 } 83 84 ATF_TC_WITHOUT_HEAD(null__r__w__test); 85 ATF_TC_BODY(null__r__w__test, tc) 86 { 87 88 runtest(_PATH_DEVNULL, "r", NULL, "w", false); 89 } 90 91 ATF_TC_WITHOUT_HEAD(null__w__w__test); 92 ATF_TC_BODY(null__w__w__test, tc) 93 { 94 95 runtest(_PATH_DEVNULL, "w", NULL, "w", true); 96 } 97 98 ATF_TC_WITHOUT_HEAD(null__r_append__w__test); 99 ATF_TC_BODY(null__r_append__w__test, tc) 100 { 101 102 runtest(_PATH_DEVNULL, "r+", NULL, "w", true); 103 } 104 105 ATF_TC_WITHOUT_HEAD(null__r__a__test); 106 ATF_TC_BODY(null__r__a__test, tc) 107 { 108 109 runtest(_PATH_DEVNULL, "r", NULL, "a", false); 110 } 111 112 ATF_TC_WITHOUT_HEAD(null__w__a__test); 113 ATF_TC_BODY(null__w__a__test, tc) 114 { 115 116 runtest(_PATH_DEVNULL, "w", NULL, "a", true); 117 } 118 119 ATF_TC_WITHOUT_HEAD(null__r_append__a__test); 120 ATF_TC_BODY(null__r_append__a__test, tc) 121 { 122 123 runtest(_PATH_DEVNULL, "r+", NULL, "a", true); 124 } 125 126 ATF_TC_WITHOUT_HEAD(null__r__r_append__test); 127 ATF_TC_BODY(null__r__r_append__test, tc) 128 { 129 130 runtest(_PATH_DEVNULL, "r", NULL, "r+", false); 131 } 132 133 ATF_TC_WITHOUT_HEAD(null__w__r_append__test); 134 ATF_TC_BODY(null__w__r_append__test, tc) 135 { 136 137 runtest(_PATH_DEVNULL, "w", NULL, "r+", false); 138 } 139 140 ATF_TC_WITHOUT_HEAD(null__r_append__r_append__test); 141 ATF_TC_BODY(null__r_append__r_append__test, tc) 142 { 143 144 runtest(_PATH_DEVNULL, "r+", NULL, "r+", true); 145 } 146 147 ATF_TC_WITHOUT_HEAD(null__r__w_append__test); 148 ATF_TC_BODY(null__r__w_append__test, tc) 149 { 150 151 runtest(_PATH_DEVNULL, "r", NULL, "w+", false); 152 } 153 154 ATF_TC_WITHOUT_HEAD(null__w__w_append__test); 155 ATF_TC_BODY(null__w__w_append__test, tc) 156 { 157 158 runtest(_PATH_DEVNULL, "w", NULL, "w+", false); 159 } 160 161 ATF_TC_WITHOUT_HEAD(null__r_append__w_append__test); 162 ATF_TC_BODY(null__r_append__w_append__test, tc) 163 { 164 165 runtest(_PATH_DEVNULL, "r+", NULL, "w+", true); 166 } 167 168 ATF_TC_WITHOUT_HEAD(sh__r__r__test); 169 ATF_TC_BODY(sh__r__r__test, tc) 170 { 171 172 runtest("/bin/sh", "r", NULL, "r", true); 173 } 174 175 ATF_TC_WITHOUT_HEAD(sh__sh__r__r__test); 176 ATF_TC_BODY(sh__sh__r__r__test, tc) 177 { 178 179 runtest("/bin/sh", "r", "/bin/sh", "r", true); 180 } 181 182 ATF_TC_WITHOUT_HEAD(sh__null__r__r__test); 183 ATF_TC_BODY(sh__null__r__r__test, tc) 184 { 185 186 runtest("/bin/sh", "r", _PATH_DEVNULL, "r", true); 187 } 188 189 ATF_TC_WITHOUT_HEAD(sh__null__r__w__test); 190 ATF_TC_BODY(sh__null__r__w__test, tc) 191 { 192 193 runtest("/bin/sh", "r", _PATH_DEVNULL, "w", true); 194 } 195 196 ATF_TP_ADD_TCS(tp) 197 { 198 199 ATF_TP_ADD_TC(tp, null__r__r__test); 200 ATF_TP_ADD_TC(tp, null__w__r__test); 201 ATF_TP_ADD_TC(tp, null__r_append__r__test); 202 ATF_TP_ADD_TC(tp, null__r__w__test); 203 ATF_TP_ADD_TC(tp, null__w__w__test); 204 ATF_TP_ADD_TC(tp, null__r_append__w__test); 205 ATF_TP_ADD_TC(tp, null__r__a__test); 206 ATF_TP_ADD_TC(tp, null__w__a__test); 207 ATF_TP_ADD_TC(tp, null__r_append__a__test); 208 ATF_TP_ADD_TC(tp, null__r__r_append__test); 209 ATF_TP_ADD_TC(tp, null__w__r_append__test); 210 ATF_TP_ADD_TC(tp, null__r_append__r_append__test); 211 ATF_TP_ADD_TC(tp, null__r__w_append__test); 212 ATF_TP_ADD_TC(tp, null__w__w_append__test); 213 ATF_TP_ADD_TC(tp, null__r_append__w_append__test); 214 ATF_TP_ADD_TC(tp, sh__r__r__test); 215 ATF_TP_ADD_TC(tp, sh__sh__r__r__test); 216 ATF_TP_ADD_TC(tp, sh__null__r__r__test); 217 ATF_TP_ADD_TC(tp, sh__null__r__w__test); 218 219 return (atf_no_error()); 220 } 221 222 /* 223 vim:ts=8:cin:sw=8 224 */ 225