1 /* $NetBSD: t_vfsops.c,v 1.9 2011/01/07 12:01:11 pooka 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 (FSTYPE_TMPFS(tc)) { 112 atf_tc_expect_fail("PR kern/43605"); 113 if (fd != -1 || errno != EINVAL) 114 atf_tc_expect_pass(); 115 } 116 if (fd == -1) { 117 atf_tc_fail_errno("fhopen"); 118 } 119 120 /* check that we got the same file */ 121 if (rump_sys_read(fd, buf, sizeof(buf)) != sizeof(MAGICSTR)) 122 atf_tc_fail("read fhopened file"); 123 124 ATF_REQUIRE_STREQ(buf, MAGICSTR); 125 126 rump_sys_close(fd); 127 } 128 129 #define FNAME "a_file" 130 static void 131 tfhremove(const atf_tc_t *tc, const char *path) 132 { 133 size_t fhsize; 134 void *fhp; 135 int fd; 136 137 RL(rump_sys_chdir(path)); 138 RL(fd = rump_sys_open(FNAME, O_RDWR | O_CREAT, 0777)); 139 RL(rump_sys_close(fd)); 140 141 fhsize = 0; 142 if (rump_sys_getfh(FNAME, NULL, &fhsize) == -1) { 143 if (errno == EOPNOTSUPP) { 144 atf_tc_skip("file handles not supported"); 145 } else if (errno != E2BIG) { 146 atf_tc_fail_errno("getfh size"); 147 } 148 } 149 150 fhp = malloc(fhsize); 151 RL(rump_sys_getfh(FNAME, fhp, &fhsize)); 152 RL(rump_sys_unlink(FNAME)); 153 154 if (FSTYPE_MSDOS(tc) || FSTYPE_LFS(tc)) 155 atf_tc_expect_fail("fhopen() for removed file succeeds " 156 "(PR kern/43745)"); 157 if (FSTYPE_TMPFS(tc)) 158 atf_tc_expect_fail("PR kern/43605"); 159 ATF_REQUIRE_ERRNO(ESTALE, rump_sys_fhopen(fhp, fhsize, O_RDONLY) == -1); 160 atf_tc_expect_pass(); 161 162 RL(rump_sys_chdir("/")); 163 } 164 #undef FNAME 165 166 /* 167 * This test only checks the file system doesn't crash. We *might* 168 * try a valid file handle. 169 */ 170 static void 171 tfhinval(const atf_tc_t *tc, const char *path) 172 { 173 size_t fhsize; 174 void *fhp; 175 unsigned long seed; 176 int fd; 177 178 /* XXX: this test succeeds "accidentally" on tmpfs, PR kern/43605 */ 179 180 srandom(seed = time(NULL)); 181 printf("RNG seed %lu\n", seed); 182 183 RL(rump_sys_chdir(path)); 184 fhsize = 0; 185 if (rump_sys_getfh(".", NULL, &fhsize) == -1) { 186 if (errno == EOPNOTSUPP) { 187 atf_tc_skip("file handles not supported"); 188 } else if (errno != E2BIG) { 189 atf_tc_fail_errno("getfh size"); 190 } 191 } 192 193 fhp = malloc(fhsize); 194 tests_makegarbage(fhp, fhsize); 195 fd = rump_sys_fhopen(fhp, fhsize, O_RDWR); 196 if (fd != -1) 197 rump_sys_close(fd); 198 199 RL(rump_sys_chdir("/")); 200 } 201 202 ATF_TC_FSAPPLY(tmount, "mount/unmount"); 203 ATF_TC_FSAPPLY(tstatvfs, "statvfs"); 204 ATF_TC_FSAPPLY(tsync, "sync"); 205 ATF_TC_FSAPPLY(tfilehandle, "file handles"); 206 ATF_TC_FSAPPLY(tfhremove, "fhtovp for removed file"); 207 ATF_TC_FSAPPLY(tfhinval, "fhopen invalid filehandle"); 208 209 ATF_TP_ADD_TCS(tp) 210 { 211 212 ATF_TP_FSAPPLY(tmount); 213 ATF_TP_FSAPPLY(tstatvfs); 214 ATF_TP_FSAPPLY(tsync); 215 ATF_TP_FSAPPLY(tfilehandle); 216 ATF_TP_FSAPPLY(tfhremove); 217 ATF_TP_FSAPPLY(tfhinval); 218 219 return atf_no_error(); 220 } 221