tests/fs/vfs/t_vfsops.c

   1 /*      $NetBSD: t_vfsops.c,v 1.11 2011/04/04 19:16:58 hannken Exp $    */
   2
   3 /*-
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/stat.h>
  30 #include <sys/statvfs.h>
  31
  32 #include <atf-c.h>
  33 #include <dirent.h>
  34 #include <fcntl.h>
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37
  38 #include <rump/rump_syscalls.h>
  39 #include <rump/rump.h>
  40
  41 #include "../common/h_fsmacros.h"
  42 #include "../../h_macros.h"
  43
  44 static void
  45 tmount(const atf_tc_t *tc, const char *path)
  46 {
  47
  48         return;
  49 }
  50
  51 static void
  52 tstatvfs(const atf_tc_t *tc, const char *path)
  53 {
  54         const char *fstype = atf_tc_get_md_var(tc, "X-fs.mntname");
  55         struct statvfs svb;
  56
  57         if (rump_sys_statvfs1(path, &svb, ST_WAIT) == -1)
  58                 atf_tc_fail_errno("statvfs");
  59
  60         ATF_REQUIRE(svb.f_namemax > 0 && svb.f_namemax <= MAXNAMLEN);
  61         if (!(FSTYPE_PUFFS(tc) || FSTYPE_P2K_FFS(tc)))
  62                 ATF_REQUIRE_STREQ(svb.f_fstypename, fstype);
  63         ATF_REQUIRE_STREQ(svb.f_mntonname, path);
  64 }
  65
  66 static void
  67 tsync(const atf_tc_t *tc, const char *path)
  68 {
  69
  70         rump_sys_sync();
  71 }
  72
  73 #define MAGICSTR "just a string, I like A"
  74 static void
  75 tfilehandle(const atf_tc_t *tc, const char *path)
  76 {
  77         char fpath[MAXPATHLEN];
  78         char buf[sizeof(MAGICSTR)];
  79         size_t fhsize;
  80         void *fhp;
  81         int fd;
  82
  83         sprintf(fpath, "%s/file", path);
  84         fd = rump_sys_open(fpath, O_RDWR | O_CREAT, 0777);
  85         if (fd == -1)
  86                 atf_tc_fail_errno("open");
  87
  88         if (rump_sys_write(fd, MAGICSTR, sizeof(MAGICSTR)) != sizeof(MAGICSTR))
  89                 atf_tc_fail("write to file");
  90         rump_sys_close(fd);
  91
  92         /*
  93          * Get file handle size.
  94          * This also weeds out unsupported file systems.
  95          */
  96         fhsize = 0;
  97         if (rump_sys_getfh(fpath, NULL, &fhsize) == -1) {
  98                 if (errno == EOPNOTSUPP) {
  99                         atf_tc_skip("file handles not supported");
 100                 } else if (errno != E2BIG) {
 101                         atf_tc_fail_errno("getfh size");
 102                 }
 103         }
 104
 105         fhp = malloc(fhsize);
 106         if (rump_sys_getfh(fpath, fhp, &fhsize) == -1)
 107                 atf_tc_fail_errno("getfh");
 108
 109         /* open file based on file handle */
 110         fd = rump_sys_fhopen(fhp, fhsize, O_RDONLY);
 111         if (fd == -1) {
 112                 atf_tc_fail_errno("fhopen");
 113         }
 114
 115         /* check that we got the same file */
 116         if (rump_sys_read(fd, buf, sizeof(buf)) != sizeof(MAGICSTR))
 117                 atf_tc_fail("read fhopened file");
 118
 119         ATF_REQUIRE_STREQ(buf, MAGICSTR);
 120
 121         rump_sys_close(fd);
 122 }
 123
 124 #define FNAME "a_file"
 125 static void
 126 tfhremove(const atf_tc_t *tc, const char *path)
 127 {
 128         size_t fhsize;
 129         void *fhp;
 130         int fd;
 131
 132         RL(rump_sys_chdir(path));
 133         RL(fd = rump_sys_open(FNAME, O_RDWR | O_CREAT, 0777));
 134         RL(rump_sys_close(fd));
 135
 136         fhsize = 0;
 137         if (rump_sys_getfh(FNAME, NULL, &fhsize) == -1) {
 138                 if (errno == EOPNOTSUPP) {
 139                         atf_tc_skip("file handles not supported");
 140                 } else if (errno != E2BIG) {
 141                         atf_tc_fail_errno("getfh size");
 142                 }
 143         }
 144
 145         fhp = malloc(fhsize);
 146         RL(rump_sys_getfh(FNAME, fhp, &fhsize));
 147         RL(rump_sys_unlink(FNAME));
 148
 149         if (FSTYPE_LFS(tc))
 150                 atf_tc_expect_fail("fhopen() for removed file succeeds "
 151                     "(PR kern/43745)");
 152         ATF_REQUIRE_ERRNO(ESTALE, rump_sys_fhopen(fhp, fhsize, O_RDONLY) == -1);
 153         atf_tc_expect_pass();
 154
 155         RL(rump_sys_chdir("/"));
 156 }
 157 #undef FNAME
 158
 159 /*
 160  * This test only checks the file system doesn't crash.  We *might*
 161  * try a valid file handle.
 162  */
 163 static void
 164 tfhinval(const atf_tc_t *tc, const char *path)
 165 {
 166         size_t fhsize;
 167         void *fhp;
 168         unsigned long seed;
 169         int fd;
 170
 171         srandom(seed = time(NULL));
 172         printf("RNG seed %lu\n", seed);
 173
 174         RL(rump_sys_chdir(path));
 175         fhsize = 0;
 176         if (rump_sys_getfh(".", NULL, &fhsize) == -1) {
 177                 if (errno == EOPNOTSUPP) {
 178                         atf_tc_skip("file handles not supported");
 179                 } else if (errno != E2BIG) {
 180                         atf_tc_fail_errno("getfh size");
 181                 }
 182         }
 183
 184         fhp = malloc(fhsize);
 185         tests_makegarbage(fhp, fhsize);
 186         fd = rump_sys_fhopen(fhp, fhsize, O_RDWR);
 187         if (fd != -1)
 188                 rump_sys_close(fd);
 189
 190         RL(rump_sys_chdir("/"));
 191 }
 192
 193 ATF_TC_FSAPPLY(tmount, "mount/unmount");
 194 ATF_TC_FSAPPLY(tstatvfs, "statvfs");
 195 ATF_TC_FSAPPLY(tsync, "sync");
 196 ATF_TC_FSAPPLY(tfilehandle, "file handles");
 197 ATF_TC_FSAPPLY(tfhremove, "fhtovp for removed file");
 198 ATF_TC_FSAPPLY(tfhinval, "fhopen invalid filehandle");
 199
 200 ATF_TP_ADD_TCS(tp)
 201 {
 202
 203         ATF_TP_FSAPPLY(tmount);
 204         ATF_TP_FSAPPLY(tstatvfs);
 205         ATF_TP_FSAPPLY(tsync);
 206         ATF_TP_FSAPPLY(tfilehandle);
 207         ATF_TP_FSAPPLY(tfhremove);
 208         ATF_TP_FSAPPLY(tfhinval);
 209
 210         return atf_no_error();
 211 }