1 /* $NetBSD: t_vfsops.c,v 1.12 2017/01/13 21:30:40 christos 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 } 212