t_vnops.c revision 1.2
1 /* $NetBSD: t_vnops.c,v 1.2 2010/07/14 20:45:48 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 <fcntl.h> 34 #include <libgen.h> 35 #include <unistd.h> 36 37 #include <rump/rump_syscalls.h> 38 #include <rump/rump.h> 39 40 #include "../common/h_fsmacros.h" 41 #include "../../h_macros.h" 42 43 /* make work when run with 5.0 userland */ 44 #if defined(__NetBSD_Version__) && (__NetBSD_Version__ < 599000700) 45 #define rump_sys_stat rump_pub_sys___stat30 46 #endif 47 48 #define USES_DIRS \ 49 if (FSTYPE_SYSVBFS(tc)) atf_tc_skip("dirs not supported by file system") 50 51 static char * 52 md(char *buf, const char *base, const char *tail) 53 { 54 55 sprintf(buf, "%s/%s", base, tail); 56 return buf; 57 } 58 59 static void 60 lookup_simple(const atf_tc_t *tc, const char *mountpath) 61 { 62 char pb[MAXPATHLEN], final[MAXPATHLEN]; 63 struct stat sb1, sb2; 64 65 strcpy(final, mountpath); 66 sprintf(pb, "%s/../%s", mountpath, basename(final)); 67 if (rump_sys_stat(pb, &sb1) == -1) 68 atf_tc_fail_errno("stat 1"); 69 70 sprintf(pb, "%s/./../%s", mountpath, basename(final)); 71 if (rump_sys_stat(pb, &sb2) == -1) 72 atf_tc_fail_errno("stat 2"); 73 74 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 75 } 76 77 static void 78 lookup_complex(const atf_tc_t *tc, const char *mountpath) 79 { 80 char pb[MAXPATHLEN]; 81 struct stat sb1, sb2; 82 83 USES_DIRS; 84 85 sprintf(pb, "%s/dir", mountpath); 86 if (rump_sys_mkdir(pb, 0777) == -1) 87 atf_tc_fail_errno("mkdir"); 88 if (rump_sys_stat(pb, &sb1) == -1) 89 atf_tc_fail_errno("stat 1"); 90 91 sprintf(pb, "%s/./dir/../././dir/.", mountpath); 92 if (rump_sys_stat(pb, &sb2) == -1) 93 atf_tc_fail_errno("stat 2"); 94 95 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 96 } 97 98 static void 99 dir_simple(const atf_tc_t *tc, const char *mountpath) 100 { 101 char pb[MAXPATHLEN]; 102 struct stat sb; 103 104 USES_DIRS; 105 106 /* check we can create directories */ 107 sprintf(pb, "%s/dir", mountpath); 108 if (rump_sys_mkdir(pb, 0777) == -1) 109 atf_tc_fail_errno("mkdir"); 110 if (rump_sys_stat(pb, &sb) == -1) 111 atf_tc_fail_errno("stat new directory"); 112 113 /* check we can remove then and that it makes them unreachable */ 114 if (rump_sys_rmdir(pb) == -1) 115 atf_tc_fail_errno("rmdir"); 116 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 117 atf_tc_fail("ENOENT expected from stat"); 118 } 119 120 static void 121 dir_notempty(const atf_tc_t *tc, const char *mountpath) 122 { 123 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 124 int fd, rv; 125 126 USES_DIRS; 127 128 /* check we can create directories */ 129 sprintf(pb, "%s/dir", mountpath); 130 if (rump_sys_mkdir(pb, 0777) == -1) 131 atf_tc_fail_errno("mkdir"); 132 133 sprintf(pb2, "%s/dir/file", mountpath); 134 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 135 if (fd == -1) 136 atf_tc_fail_errno("create file"); 137 rump_sys_close(fd); 138 139 rv = rump_sys_rmdir(pb); 140 if (rv != -1 || errno != ENOTEMPTY) 141 atf_tc_fail("non-empty directory removed succesfully"); 142 143 if (rump_sys_unlink(pb2) == -1) 144 atf_tc_fail_errno("cannot remove dir/file"); 145 146 if (rump_sys_rmdir(pb) == -1) 147 atf_tc_fail_errno("remove directory"); 148 } 149 150 static void 151 checkfile(const char *path, struct stat *refp) 152 { 153 char buf[MAXPATHLEN]; 154 struct stat sb; 155 static int n = 1; 156 157 md(buf, path, "file"); 158 if (rump_sys_stat(buf, &sb) == -1) 159 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 160 if (memcmp(&sb, refp, sizeof(sb)) != 0) 161 atf_tc_fail("stat mismatch %d", n); 162 n++; 163 } 164 165 static void 166 rename_dir(const atf_tc_t *tc, const char *mp) 167 { 168 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 169 struct stat ref; 170 171 USES_DIRS; 172 173 md(pb1, mp, "dir1"); 174 if (rump_sys_mkdir(pb1, 0777) == -1) 175 atf_tc_fail_errno("mkdir 1"); 176 177 md(pb2, mp, "dir2"); 178 if (rump_sys_mkdir(pb2, 0777) == -1) 179 atf_tc_fail_errno("mkdir 2"); 180 md(pb2, mp, "dir2/subdir"); 181 if (rump_sys_mkdir(pb2, 0777) == -1) 182 atf_tc_fail_errno("mkdir 3"); 183 184 md(pb3, mp, "dir1/file"); 185 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 186 atf_tc_fail_errno("create file"); 187 if (rump_sys_stat(pb3, &ref) == -1) 188 atf_tc_fail_errno("stat of file"); 189 190 /* 191 * First try ops which should succeed. 192 */ 193 194 /* rename within directory */ 195 md(pb3, mp, "dir3"); 196 if (rump_sys_rename(pb1, pb3) == -1) 197 atf_tc_fail_errno("rename 1"); 198 checkfile(pb3, &ref); 199 200 /* rename directory onto itself (two ways, should fail) */ 201 md(pb1, mp, "dir3/."); 202 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 203 atf_tc_fail_errno("rename 2"); 204 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 205 atf_tc_fail_errno("rename 3"); 206 207 checkfile(pb3, &ref); 208 209 /* rename father of directory into directory */ 210 md(pb1, mp, "dir2/dir"); 211 md(pb2, mp, "dir2"); 212 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 213 atf_tc_fail_errno("rename 4"); 214 215 /* same for grandfather */ 216 md(pb1, mp, "dir2/subdir/dir2"); 217 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 218 atf_tc_fail("rename 5"); 219 220 checkfile(pb3, &ref); 221 222 /* rename directory over a non-empty directory */ 223 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 224 atf_tc_fail("rename 6"); 225 226 /* cross-directory rename */ 227 md(pb1, mp, "dir3"); 228 md(pb2, mp, "dir2/somedir"); 229 if (rump_sys_rename(pb1, pb2) == -1) 230 atf_tc_fail_errno("rename 7"); 231 checkfile(pb2, &ref); 232 233 /* move to parent directory */ 234 md(pb1, mp, "dir2/somedir/../../dir3"); 235 if (rump_sys_rename(pb2, pb1) == -1) 236 atf_tc_fail_errno("rename 8"); 237 md(pb1, mp, "dir2/../dir3"); 238 checkfile(pb1, &ref); 239 240 /* finally, atomic cross-directory rename */ 241 md(pb3, mp, "dir2/subdir"); 242 if (rump_sys_rename(pb1, pb3) == -1) 243 atf_tc_fail_errno("rename 9"); 244 checkfile(pb3, &ref); 245 } 246 247 static void 248 rename_dotdot(const atf_tc_t *tc, const char *mp) 249 { 250 251 USES_DIRS; 252 253 if (rump_sys_chdir(mp) == -1) 254 atf_tc_fail_errno("chdir mountpoint"); 255 256 if (rump_sys_mkdir("dir1", 0777) == -1) 257 atf_tc_fail_errno("mkdir 1"); 258 if (rump_sys_mkdir("dir2", 0777) == -1) 259 atf_tc_fail_errno("mkdir 2"); 260 261 /* msdosfs fails both at least currently */ 262 if (FSTYPE_MSDOS(tc)) { 263 atf_tc_expect_fail("PR kern/43616"); 264 } 265 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 266 atf_tc_fail_errno("self-dotdot to"); 267 268 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 269 atf_tc_fail_errno("self-dotdot from"); 270 atf_tc_expect_pass(); 271 272 if (FSTYPE_TMPFS(tc)) { 273 atf_tc_expect_fail("PR kern/43617"); 274 } 275 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 276 atf_tc_fail("other-dotdot"); 277 278 rump_sys_chdir("/"); 279 } 280 281 static void 282 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 283 { 284 bool haslinks; 285 struct stat sb; 286 ino_t f1ino, f2ino; 287 288 if (rump_sys_chdir(mp) == -1) 289 atf_tc_fail_errno("chdir mountpoint"); 290 291 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 292 haslinks = false; 293 else 294 haslinks = true; 295 296 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 297 atf_tc_fail_errno("create file"); 298 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 299 atf_tc_fail_errno("create file"); 300 301 if (rump_sys_stat("file1", &sb) == -1) 302 atf_tc_fail_errno("stat"); 303 f1ino = sb.st_ino; 304 305 if (haslinks) { 306 if (rump_sys_link("file1", "file_link") == -1) 307 atf_tc_fail_errno("link"); 308 if (rump_sys_stat("file_link", &sb) == -1) 309 atf_tc_fail_errno("stat"); 310 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 311 ATF_REQUIRE_EQ(sb.st_nlink, 2); 312 } 313 314 if (rump_sys_stat("file2", &sb) == -1) 315 atf_tc_fail_errno("stat"); 316 f2ino = sb.st_ino; 317 318 if (rump_sys_rename("file1", "file3") == -1) 319 atf_tc_fail_errno("rename 1"); 320 if (rump_sys_stat("file3", &sb) == -1) 321 atf_tc_fail_errno("stat 1"); 322 if (haslinks) { 323 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 324 } 325 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 326 atf_tc_fail_errno("source 1"); 327 328 if (rump_sys_rename("file3", "file2") == -1) 329 atf_tc_fail_errno("rename 2"); 330 if (rump_sys_stat("file2", &sb) == -1) 331 atf_tc_fail_errno("stat 2"); 332 if (haslinks) { 333 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 334 } 335 336 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 337 atf_tc_fail_errno("source 2"); 338 339 if (haslinks) { 340 if (rump_sys_rename("file2", "file_link") == -1) 341 atf_tc_fail_errno("rename hardlink"); 342 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 343 atf_tc_fail_errno("source 3"); 344 if (rump_sys_stat("file_link", &sb) == -1) 345 atf_tc_fail_errno("stat 2"); 346 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 347 ATF_REQUIRE_EQ(sb.st_nlink, 1); 348 } 349 350 rump_sys_chdir("/"); 351 } 352 353 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 354 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 355 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 356 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 357 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops"); 358 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .."); 359 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 360 361 ATF_TP_ADD_TCS(tp) 362 { 363 364 ATF_TP_FSAPPLY(lookup_simple); 365 ATF_TP_FSAPPLY(lookup_complex); 366 ATF_TP_FSAPPLY(dir_simple); 367 ATF_TP_FSAPPLY(dir_notempty); 368 ATF_TP_FSAPPLY(rename_dir); 369 ATF_TP_FSAPPLY(rename_dotdot); 370 ATF_TP_FSAPPLY(rename_reg_nodir); 371 372 return atf_no_error(); 373 } 374
Indexes created Mon Sep 29 21:09:56 GMT 2025