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