1 /*- 2 * Copyright 2014 Jonathan Anderson. 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 ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #include <atf-c.h> 29 #include <fcntl.h> 30 #include <stdio.h> 31 32 33 struct descriptors { 34 int binary; 35 int testdir; 36 int root; 37 int etc; 38 int usr; 39 }; 40 41 static void setup(struct descriptors *, const atf_tc_t *); 42 static void expect_success(int binary, char *pathfds); 43 static void expect_missing_library(int binary, char *pathfds); 44 45 static void try_to_run(int binary, int expected_exit_status, 46 char * const *env, const char *expected_out, const char *expected_err); 47 static int opendir(const char *name); 48 static int opendirat(int parent, const char *name); 49 50 51 ATF_TC_WITHOUT_HEAD(missing_library); 52 ATF_TC_BODY(missing_library, tc) 53 { 54 struct descriptors files; 55 56 setup(&files, tc); 57 expect_missing_library(files.binary, NULL); 58 } 59 60 61 ATF_TC_WITHOUT_HEAD(wrong_library_directories); 62 ATF_TC_BODY(wrong_library_directories, tc) 63 { 64 struct descriptors files; 65 char *pathfds; 66 67 setup(&files, tc); 68 ATF_REQUIRE( 69 asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d", files.etc) > 0); 70 71 expect_missing_library(files.binary, pathfds); 72 } 73 74 75 ATF_TC_WITHOUT_HEAD(bad_library_directories); 76 ATF_TC_BODY(bad_library_directories, tc) 77 { 78 struct descriptors files; 79 char *pathfds; 80 81 setup(&files, tc); 82 ATF_REQUIRE(asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=::") > 0); 83 84 expect_missing_library(files.binary, pathfds); 85 } 86 87 88 ATF_TC_WITHOUT_HEAD(single_library_directory); 89 ATF_TC_BODY(single_library_directory, tc) 90 { 91 struct descriptors files; 92 char *pathfds; 93 94 setup(&files, tc); 95 ATF_REQUIRE( 96 asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d", files.testdir) > 0); 97 98 expect_success(files.binary, pathfds); 99 } 100 101 102 ATF_TC_WITHOUT_HEAD(first_library_directory); 103 ATF_TC_BODY(first_library_directory, tc) 104 { 105 struct descriptors files; 106 char *pathfds; 107 108 setup(&files, tc); 109 ATF_REQUIRE( 110 asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d", 111 files.testdir, files.etc) > 0); 112 113 expect_success(files.binary, pathfds); 114 } 115 116 117 ATF_TC_WITHOUT_HEAD(middle_library_directory); 118 ATF_TC_BODY(middle_library_directory, tc) 119 { 120 struct descriptors files; 121 char *pathfds; 122 123 setup(&files, tc); 124 ATF_REQUIRE( 125 asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d:%d", 126 files.root, files.testdir, files.usr) > 0); 127 128 expect_success(files.binary, pathfds); 129 } 130 131 132 ATF_TC_WITHOUT_HEAD(last_library_directory); 133 ATF_TC_BODY(last_library_directory, tc) 134 { 135 struct descriptors files; 136 char *pathfds; 137 138 setup(&files, tc); 139 ATF_REQUIRE( 140 asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d", 141 files.root, files.testdir) > 0); 142 143 expect_success(files.binary, pathfds); 144 } 145 146 147 148 /* Register test cases with ATF. */ 149 ATF_TP_ADD_TCS(tp) 150 { 151 ATF_TP_ADD_TC(tp, missing_library); 152 ATF_TP_ADD_TC(tp, wrong_library_directories); 153 ATF_TP_ADD_TC(tp, bad_library_directories); 154 ATF_TP_ADD_TC(tp, single_library_directory); 155 ATF_TP_ADD_TC(tp, first_library_directory); 156 ATF_TP_ADD_TC(tp, middle_library_directory); 157 ATF_TP_ADD_TC(tp, last_library_directory); 158 159 return atf_no_error(); 160 } 161 162 163 static void 164 setup(struct descriptors *dp, const atf_tc_t *tc) 165 { 166 167 dp->testdir = opendir(atf_tc_get_config_var(tc, "srcdir")); 168 ATF_REQUIRE(dp->testdir >= 0); 169 ATF_REQUIRE( 170 (dp->binary = openat(dp->testdir, "target", O_RDONLY)) >= 0); 171 172 ATF_REQUIRE((dp->root = opendir("/")) >= 0); 173 ATF_REQUIRE((dp->etc = opendirat(dp->root, "etc")) >= 0); 174 ATF_REQUIRE((dp->usr = opendirat(dp->root, "usr")) >= 0); 175 } 176 177 static void 178 expect_success(int binary, char *pathfds) 179 { 180 char * const env[] = { pathfds, NULL }; 181 try_to_run(binary, 0, env, "the hypotenuse of 3 and 4 is 5\n", ""); 182 } 183 184 static void 185 expect_missing_library(int binary, char *pathfds) 186 { 187 char * const env[] = { pathfds, NULL }; 188 try_to_run(binary, 1, env, "", 189 "Shared object \"libpythagoras.so.0\" not found," 190 " required by \"target\"\n"); 191 } 192 193 194 static void 195 try_to_run(int binary, int exit_status, char * const *env, 196 const char *expected_out, const char *expected_err) 197 { 198 pid_t child = atf_utils_fork(); 199 200 if (child == 0) { 201 char * const args[] = { "target", NULL }; 202 203 fexecve(binary, args, env); 204 atf_tc_fail("fexecve() failed"); 205 } 206 207 atf_utils_wait(child, exit_status, expected_out, expected_err); 208 } 209 210 211 static int 212 opendir(const char *name) 213 { 214 return open(name, O_RDONLY | O_DIRECTORY); 215 } 216 217 static int 218 opendirat(int parent, const char *name) 219 { 220 return openat(parent, name, O_RDONLY | O_DIRECTORY); 221 } 222