1 /* $NetBSD: t_paths.c,v 1.10 2011/11/05 08:49:24 jruoho 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 1.10 2011/11/05 08:49:24 jruoho 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_DEVDB, PATH_FILE }, 67 { _PATH_DEVNULL, PATH_DEV }, 68 { _PATH_DRUM, PATH_DEV | PATH_ROOT }, 69 { _PATH_ESDB, PATH_DIR }, 70 { _PATH_FTPUSERS, PATH_FILE }, 71 { _PATH_GETTYTAB, PATH_FILE }, 72 { _PATH_I18NMODULE, PATH_DIR }, 73 { _PATH_ICONV, PATH_DIR }, 74 { _PATH_KMEM, PATH_DEV | PATH_ROOT }, 75 { _PATH_KSYMS, PATH_DEV }, 76 { _PATH_KVMDB, PATH_FILE }, 77 { _PATH_LOCALE, PATH_DIR }, 78 { _PATH_MAILDIR, PATH_DIR }, 79 { _PATH_MAN, PATH_DIR }, 80 { _PATH_MEM, PATH_DEV | PATH_ROOT }, 81 { _PATH_MIXER, PATH_DEV }, 82 { _PATH_MIXER0, PATH_DEV }, 83 { _PATH_NOLOGIN, PATH_FILE }, 84 { _PATH_POWER, PATH_DEV | PATH_ROOT }, 85 { _PATH_PRINTCAP, PATH_FILE }, 86 { _PATH_PUD, PATH_DEV | PATH_ROOT }, 87 { _PATH_PUFFS, PATH_DEV | PATH_ROOT }, 88 { _PATH_RANDOM, PATH_DEV }, 89 { _PATH_SENDMAIL, PATH_FILE }, 90 { _PATH_SHELLS, PATH_FILE }, 91 { _PATH_SKEYKEYS, PATH_FILE | PATH_ROOT }, 92 { _PATH_SOUND, PATH_DEV }, 93 { _PATH_SOUND0, PATH_DEV }, 94 { _PATH_SYSMON, PATH_DEV }, 95 { _PATH_TTY, PATH_DEV }, 96 { _PATH_UNIX, PATH_FILE | PATH_ROOT }, 97 { _PATH_URANDOM, PATH_DEV }, 98 { _PATH_VIDEO, PATH_DEV }, 99 { _PATH_VIDEO0, PATH_DEV }, 100 101 { _PATH_DEV, PATH_DIR }, 102 { _PATH_DEV_PTS, PATH_DIR }, 103 { _PATH_EMUL_AOUT, PATH_DIR }, 104 { _PATH_TMP, PATH_DIR }, 105 { _PATH_VARDB, PATH_DIR }, 106 { _PATH_VARRUN, PATH_DIR }, 107 { _PATH_VARTMP, PATH_DIR }, 108 109 { _PATH_BSHELL, PATH_FILE }, 110 { _PATH_CSHELL, PATH_FILE }, 111 { _PATH_VI, PATH_FILE }, 112 }; 113 114 ATF_TC(paths); 115 ATF_TC_HEAD(paths, tc) 116 { 117 atf_tc_set_md_var(tc, "descr", "A basic test for <paths.h>"); 118 } 119 120 ATF_TC_BODY(paths, tc) 121 { 122 struct stat st; 123 uid_t uid; 124 mode_t m; 125 size_t i; 126 int fd; 127 128 uid = getuid(); 129 130 for (i = 0; i < __arraycount(paths); i++) { 131 132 (void)fprintf(stderr, "testing '%s'\n", paths[i].path); 133 134 errno = 0; 135 fd = open(paths[i].path, O_RDONLY); 136 137 if (fd < 0) { 138 139 switch (errno) { 140 141 case EPERM: /* FALLTHROUGH */ 142 case EACCES: /* FALLTHROUGH */ 143 144 if ((paths[i].flags & PATH_ROOT) == 0) { 145 146 atf_tc_fail("UID %u failed to open %s", 147 (uint32_t)uid, paths[i].path); 148 } 149 150 case EBUSY: /* FALLTHROUGH */ 151 case ENXIO: /* FALLTHROUGH */ 152 case ENOENT: /* FALLTHROUGH */ 153 154 default: 155 continue; 156 } 157 } 158 159 (void)memset(&st, 0, sizeof(struct stat)); 160 161 ATF_REQUIRE(fstat(fd, &st) == 0); 162 163 m = st.st_mode; 164 165 if ((paths[i].flags & PATH_DEV) != 0) { 166 167 ATF_CHECK(S_ISBLK(m) != 0 || S_ISCHR(m) != 0); 168 169 ATF_CHECK((paths[i].flags & PATH_DIR) == 0); 170 ATF_CHECK((paths[i].flags & PATH_FILE) == 0); 171 } 172 173 if ((paths[i].flags & PATH_DIR) != 0) { 174 175 ATF_CHECK(S_ISDIR(m) != 0); 176 177 ATF_CHECK((paths[i].flags & PATH_DEV) == 0); 178 ATF_CHECK((paths[i].flags & PATH_FILE) == 0); 179 } 180 181 if ((paths[i].flags & PATH_FILE) != 0) { 182 183 ATF_CHECK(S_ISREG(m) != 0); 184 185 ATF_CHECK((paths[i].flags & PATH_DEV) == 0); 186 ATF_CHECK((paths[i].flags & PATH_DIR) == 0); 187 } 188 189 ATF_REQUIRE(close(fd) == 0); 190 } 191 } 192 193 ATF_TP_ADD_TCS(tp) 194 { 195 196 ATF_TP_ADD_TC(tp, paths); 197 198 return atf_no_error(); 199 } 200