tests/include/t_paths.c

   1 /*      $NetBSD: t_paths.c,v 1.16 2015/05/07 06:23:23 pgoyette 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 1.16 2015/05/07 06:23:23 pgoyette 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 #define PATH_OPT        __BIT(3)        /* Optional, ENODEV if not supported */
  51
  52 static const struct {
  53         const char      *path;
  54         int              flags;
  55 } paths[] = {
  56         { _PATH_AUDIO,          PATH_DEV                },
  57         { _PATH_AUDIO0,         PATH_DEV                },
  58         { _PATH_AUDIOCTL,       PATH_DEV                },
  59         { _PATH_AUDIOCTL0,      PATH_DEV                },
  60         { _PATH_BPF,            PATH_DEV | PATH_ROOT    },
  61         { _PATH_CLOCKCTL,       PATH_DEV | PATH_ROOT    },
  62         { _PATH_CONSOLE,        PATH_DEV | PATH_ROOT    },
  63         { _PATH_CONSTTY,        PATH_DEV | PATH_ROOT    },
  64         { _PATH_CPUCTL,         PATH_DEV                },
  65         { _PATH_CSMAPPER,       PATH_DIR                },
  66         { _PATH_DEFTAPE,        PATH_DEV | PATH_ROOT    },
  67         { _PATH_DEVCDB,         PATH_FILE               },
  68         { _PATH_DEVDB,          PATH_FILE               },
  69         { _PATH_DEVNULL,        PATH_DEV                },
  70         { _PATH_DRUM,           PATH_DEV | PATH_ROOT    },
  71         { _PATH_ESDB,           PATH_DIR                },
  72         { _PATH_FTPUSERS,       PATH_FILE               },
  73         { _PATH_GETTYTAB,       PATH_FILE               },
  74         { _PATH_I18NMODULE,     PATH_DIR                },
  75         { _PATH_ICONV,          PATH_DIR                },
  76         { _PATH_KMEM,           PATH_DEV | PATH_ROOT    },
  77         { _PATH_KSYMS,          PATH_DEV                },
  78         { _PATH_KVMDB,          PATH_FILE               },
  79         { _PATH_LOCALE,         PATH_DIR                },
  80         { _PATH_MAILDIR,        PATH_DIR                },
  81         { _PATH_MAN,            PATH_DIR                },
  82         { _PATH_MEM,            PATH_DEV | PATH_ROOT    },
  83         { _PATH_MIXER,          PATH_DEV                },
  84         { _PATH_MIXER0,         PATH_DEV                },
  85         { _PATH_NOLOGIN,        PATH_FILE               },
  86         { _PATH_POWER,          PATH_DEV | PATH_ROOT | PATH_OPT },
  87         { _PATH_PRINTCAP,       PATH_FILE               },
  88         { _PATH_PUD,            PATH_DEV | PATH_ROOT    },
  89         { _PATH_PUFFS,          PATH_DEV | PATH_ROOT    },
  90         { _PATH_RANDOM,         PATH_DEV                },
  91         { _PATH_SENDMAIL,       PATH_FILE               },
  92         { _PATH_SHELLS,         PATH_FILE               },
  93         { _PATH_SKEYKEYS,       PATH_FILE | PATH_ROOT   },
  94         { _PATH_SOUND,          PATH_DEV                },
  95         { _PATH_SOUND0,         PATH_DEV                },
  96         { _PATH_SYSMON,         PATH_DEV | PATH_OPT     },
  97         { _PATH_TTY,            PATH_DEV                },
  98         { _PATH_UNIX,           PATH_FILE | PATH_ROOT   },
  99         { _PATH_URANDOM,        PATH_DEV                },
 100         { _PATH_VIDEO,          PATH_DEV                },
 101         { _PATH_VIDEO0,         PATH_DEV                },
 102         { _PATH_WATCHDOG,       PATH_DEV | PATH_OPT     },
 103
 104         { _PATH_DEV,            PATH_DIR                },
 105         { _PATH_DEV_PTS,        PATH_DIR                },
 106         { _PATH_EMUL_AOUT,      PATH_DIR                },
 107         { _PATH_TMP,            PATH_DIR                },
 108         { _PATH_VARDB,          PATH_DIR                },
 109         { _PATH_VARRUN,         PATH_DIR                },
 110         { _PATH_VARTMP,         PATH_DIR                },
 111
 112         { _PATH_BSHELL,         PATH_FILE               },
 113         { _PATH_CSHELL,         PATH_FILE               },
 114         { _PATH_VI,             PATH_FILE               },
 115 };
 116
 117 ATF_TC(paths);
 118 ATF_TC_HEAD(paths, tc)
 119 {
 120         atf_tc_set_md_var(tc, "descr", "A basic test for <paths.h>");
 121 }
 122
 123 ATF_TC_BODY(paths, tc)
 124 {
 125         struct stat st;
 126         uid_t uid;
 127         mode_t m;
 128         size_t i;
 129         int fd;
 130
 131 #if defined(__sparc__)
 132         atf_tc_skip("PR port-sparc/45580");
 133 #endif
 134
 135         uid = getuid();
 136
 137         for (i = 0; i < __arraycount(paths); i++) {
 138
 139                 (void)fprintf(stderr, "testing '%s'\n", paths[i].path);
 140
 141                 errno = 0;
 142                 fd = open(paths[i].path, O_RDONLY);
 143
 144                 if (fd < 0) {
 145
 146                         switch (errno) {
 147
 148                         case ENODEV:
 149                                 if ((paths[i].flags & PATH_OPT) == 0) {
 150
 151                                         atf_tc_fail("Required path %s does "
 152                                             "not exist", paths[i].path);
 153                                 }
 154                                 break;
 155
 156                         case EPERM:     /* FALLTHROUGH */
 157                         case EACCES:    /* FALLTHROUGH */
 158
 159                                 if ((paths[i].flags & PATH_ROOT) == 0) {
 160
 161                                         atf_tc_fail("UID %u failed to open %s, "
 162                                             "error %d", (uint32_t)uid,
 163                                              paths[i].path, errno);
 164                                 }
 165
 166                         case EBUSY:     /* FALLTHROUGH */
 167                         case ENXIO:     /* FALLTHROUGH */
 168                         case ENOENT:    /* FALLTHROUGH */
 169
 170                         default:
 171                                 continue;
 172                         }
 173                 }
 174
 175                 (void)memset(&st, 0, sizeof(struct stat));
 176
 177                 ATF_REQUIRE(fstat(fd, &st) == 0);
 178
 179                 m = st.st_mode;
 180
 181                 if ((paths[i].flags & PATH_DEV) != 0) {
 182
 183                         ATF_CHECK(S_ISBLK(m) != 0 || S_ISCHR(m) != 0);
 184
 185                         ATF_CHECK((paths[i].flags & PATH_DIR) == 0);
 186                         ATF_CHECK((paths[i].flags & PATH_FILE) == 0);
 187                 }
 188
 189                 if ((paths[i].flags & PATH_DIR) != 0) {
 190
 191                         ATF_CHECK(S_ISDIR(m) != 0);
 192
 193                         ATF_CHECK((paths[i].flags & PATH_DEV) == 0);
 194                         ATF_CHECK((paths[i].flags & PATH_FILE) == 0);
 195                 }
 196
 197                 if ((paths[i].flags & PATH_FILE) != 0) {
 198
 199                         ATF_CHECK(S_ISREG(m) != 0);
 200
 201                         ATF_CHECK((paths[i].flags & PATH_DEV) == 0);
 202                         ATF_CHECK((paths[i].flags & PATH_DIR) == 0);
 203                 }
 204
 205                 ATF_REQUIRE(close(fd) == 0);
 206         }
 207 }
 208
 209 ATF_TP_ADD_TCS(tp)
 210 {
 211
 212         ATF_TP_ADD_TC(tp, paths);
 213
 214         return atf_no_error();
 215 }