1 /* $NetBSD: t_paths.c,v 1.14 2014/11/04 00:20:19 justin Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_paths.c,v 1.14 2014/11/04 00:20:19 justin Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/stat.h> 36 37 #include <errno.h> 38 #include <fcntl.h> 39 #include <paths.h> 40 #include <stdio.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include <atf-c.h> 45 46 #define PATH_DEV __BIT(0) /* A device node */ 47 #define PATH_DIR __BIT(1) /* A directory */ 48 #define PATH_FILE __BIT(2) /* A file */ 49 #define PATH_ROOT __BIT(3) /* Access for root only */ 50 51 static const struct { 52 const char *path; 53 int flags; 54 } paths[] = { 55 { _PATH_AUDIO, PATH_DEV }, 56 { _PATH_AUDIO0, PATH_DEV }, 57 { _PATH_AUDIOCTL, PATH_DEV }, 58 { _PATH_AUDIOCTL0, PATH_DEV }, 59 { _PATH_BPF, PATH_DEV | PATH_ROOT }, 60 { _PATH_CLOCKCTL, PATH_DEV | PATH_ROOT }, 61 { _PATH_CONSOLE, PATH_DEV | PATH_ROOT }, 62 { _PATH_CONSTTY, PATH_DEV | PATH_ROOT }, 63 { _PATH_CPUCTL, PATH_DEV }, 64 { _PATH_CSMAPPER, PATH_DIR }, 65 { _PATH_DEFTAPE, PATH_DEV | PATH_ROOT }, 66 { _PATH_DEVCDB, PATH_FILE }, 67 { _PATH_DEVDB, PATH_FILE }, 68 { _PATH_DEVNULL, PATH_DEV }, 69 { _PATH_DRUM, PATH_DEV | PATH_ROOT }, 70 { _PATH_ESDB, PATH_DIR }, 71 { _PATH_FTPUSERS, PATH_FILE }, 72 { _PATH_GETTYTAB, PATH_FILE }, 73 { _PATH_I18NMODULE, PATH_DIR }, 74 { _PATH_ICONV, PATH_DIR }, 75 { _PATH_KMEM, PATH_DEV | PATH_ROOT }, 76 { _PATH_KSYMS, PATH_DEV }, 77 { _PATH_KVMDB, PATH_FILE }, 78 { _PATH_LOCALE, PATH_DIR }, 79 { _PATH_MAILDIR, PATH_DIR }, 80 { _PATH_MAN, PATH_DIR }, 81 { _PATH_MEM, PATH_DEV | PATH_ROOT }, 82 { _PATH_MIXER, PATH_DEV }, 83 { _PATH_MIXER0, PATH_DEV }, 84 { _PATH_NOLOGIN, PATH_FILE }, 85 { _PATH_POWER, PATH_DEV | PATH_ROOT }, 86 { _PATH_PRINTCAP, PATH_FILE }, 87 { _PATH_PUD, PATH_DEV | PATH_ROOT }, 88 { _PATH_PUFFS, PATH_DEV | PATH_ROOT }, 89 { _PATH_RANDOM, PATH_DEV }, 90 { _PATH_SENDMAIL, PATH_FILE }, 91 { _PATH_SHELLS, PATH_FILE }, 92 { _PATH_SKEYKEYS, PATH_FILE | PATH_ROOT }, 93 { _PATH_SOUND, PATH_DEV }, 94 { _PATH_SOUND0, PATH_DEV }, 95 { _PATH_SYSMON, PATH_DEV }, 96 { _PATH_TTY, PATH_DEV }, 97 { _PATH_UNIX, PATH_FILE | PATH_ROOT }, 98 { _PATH_URANDOM, PATH_DEV }, 99 { _PATH_VIDEO, PATH_DEV }, 100 { _PATH_VIDEO0, PATH_DEV }, 101 102 { _PATH_DEV, PATH_DIR }, 103 { _PATH_DEV_PTS, PATH_DIR }, 104 { _PATH_EMUL_AOUT, PATH_DIR }, 105 { _PATH_TMP, PATH_DIR }, 106 { _PATH_VARDB, PATH_DIR }, 107 { _PATH_VARRUN, PATH_DIR }, 108 { _PATH_VARTMP, PATH_DIR }, 109 110 { _PATH_BSHELL, PATH_FILE }, 111 { _PATH_CSHELL, PATH_FILE }, 112 { _PATH_VI, PATH_FILE }, 113 }; 114 115 ATF_TC(paths); 116 ATF_TC_HEAD(paths, tc) 117 { 118 atf_tc_set_md_var(tc, "descr", "A basic test for <paths.h>"); 119 } 120 121 ATF_TC_BODY(paths, tc) 122 { 123 struct stat st; 124 uid_t uid; 125 mode_t m; 126 size_t i; 127 int fd; 128 129 #if defined(__sparc__) 130 atf_tc_skip("PR port-sparc/45580"); 131 #endif 132 133 uid = getuid(); 134 135 for (i = 0; i < __arraycount(paths); i++) { 136 137 (void)fprintf(stderr, "testing '%s'\n", paths[i].path); 138 139 errno = 0; 140 fd = open(paths[i].path, O_RDONLY); 141 142 if (fd < 0) { 143 144 switch (errno) { 145 146 case EPERM: /* FALLTHROUGH */ 147 case EACCES: /* FALLTHROUGH */ 148 149 if ((paths[i].flags & PATH_ROOT) == 0) { 150 151 atf_tc_fail("UID %u failed to open %s", 152 (uint32_t)uid, paths[i].path); 153 } 154 155 case EBUSY: /* FALLTHROUGH */ 156 case ENXIO: /* FALLTHROUGH */ 157 case ENOENT: /* FALLTHROUGH */ 158 159 default: 160 continue; 161 } 162 } 163 164 (void)memset(&st, 0, sizeof(struct stat)); 165 166 ATF_REQUIRE(fstat(fd, &st) == 0); 167 168 m = st.st_mode; 169 170 if ((paths[i].flags & PATH_DEV) != 0) { 171 172 ATF_CHECK(S_ISBLK(m) != 0 || S_ISCHR(m) != 0); 173 174 ATF_CHECK((paths[i].flags & PATH_DIR) == 0); 175 ATF_CHECK((paths[i].flags & PATH_FILE) == 0); 176 } 177 178 if ((paths[i].flags & PATH_DIR) != 0) { 179 180 ATF_CHECK(S_ISDIR(m) != 0); 181 182 ATF_CHECK((paths[i].flags & PATH_DEV) == 0); 183 ATF_CHECK((paths[i].flags & PATH_FILE) == 0); 184 } 185 186 if ((paths[i].flags & PATH_FILE) != 0) { 187 188 ATF_CHECK(S_ISREG(m) != 0); 189 190 ATF_CHECK((paths[i].flags & PATH_DEV) == 0); 191 ATF_CHECK((paths[i].flags & PATH_DIR) == 0); 192 } 193 194 ATF_REQUIRE(close(fd) == 0); 195 } 196 } 197 198 ATF_TP_ADD_TCS(tp) 199 { 200 201 ATF_TP_ADD_TC(tp, paths); 202 203 return atf_no_error(); 204 } 205