| 1 | /* |
| 2 | * QTest testcase for VirtIO 9P |
| 3 | * |
| 4 | * Copyright (c) 2014 SUSE LINUX Products GmbH |
| 5 | * |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 7 | * See the COPYING file in the top-level directory. |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * Not so fast! You might want to read the 9p developer docs first: |
| 12 | * https://wiki.qemu.org/Documentation/9p |
| 13 | */ |
| 14 | |
| 15 | #include "qemu/osdep.h" |
| 16 | #include "qemu/module.h" |
| 17 | #include "libqos/virtio.h" |
| 18 | #include "libqos/virtio-9p-client.h" |
| 19 | |
| 20 | #define twalk(...) v9fs_twalk((TWalkOpt) __VA_ARGS__) |
| 21 | #define tversion(...) v9fs_tversion((TVersionOpt) __VA_ARGS__) |
| 22 | #define tattach(...) v9fs_tattach((TAttachOpt) __VA_ARGS__) |
| 23 | #define tgetattr(...) v9fs_tgetattr((TGetAttrOpt) __VA_ARGS__) |
| 24 | #define tsetattr(...) v9fs_tsetattr((TSetAttrOpt) __VA_ARGS__) |
| 25 | #define treaddir(...) v9fs_treaddir((TReadDirOpt) __VA_ARGS__) |
| 26 | #define tlopen(...) v9fs_tlopen((TLOpenOpt) __VA_ARGS__) |
| 27 | #define twrite(...) v9fs_twrite((TWriteOpt) __VA_ARGS__) |
| 28 | #define tflush(...) v9fs_tflush((TFlushOpt) __VA_ARGS__) |
| 29 | #define tmkdir(...) v9fs_tmkdir((TMkdirOpt) __VA_ARGS__) |
| 30 | #define tlcreate(...) v9fs_tlcreate((TlcreateOpt) __VA_ARGS__) |
| 31 | #define tsymlink(...) v9fs_tsymlink((TsymlinkOpt) __VA_ARGS__) |
| 32 | #define tlink(...) v9fs_tlink((TlinkOpt) __VA_ARGS__) |
| 33 | #define tunlinkat(...) v9fs_tunlinkat((TunlinkatOpt) __VA_ARGS__) |
| 34 | #define tread(...) v9fs_tread((TReadOpt) __VA_ARGS__) |
| 35 | #define tclunk(...) v9fs_tclunk((TClunkOpt) __VA_ARGS__) |
| 36 | #define txattrcreate(...) v9fs_txattrcreate((TXattrCreateOpt) __VA_ARGS__) |
| 37 | |
| 38 | /* |
| 39 | * xattr size to be used for xattr tests |
| 40 | * |
| 41 | * 64k is the max. xattr size supported by the Linux kernel on high-level VFS |
| 42 | * layer. However filesystems impose their own limits: |
| 43 | * |
| 44 | * - btrfs: 16219 bytes |
| 45 | * |
| 46 | * - ext4: blocksize - 56 bytes (~4KB) if no ea_inode capability enabled, |
| 47 | * 64k if ea_inode enabled |
| 48 | * |
| 49 | * So let's be conservative and just use 1k for the xattr tests. |
| 50 | */ |
| 51 | #define TEST_XATTR_SIZE (1 * 1024) |
| 52 | |
| 53 | static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc) |
| 54 | { |
| 55 | QVirtio9P *v9p = obj; |
| 56 | v9fs_set_allocator(t_alloc); |
| 57 | size_t tag_len = qvirtio_config_readw(v9p->vdev, 0); |
| 58 | g_autofree char *tag = NULL; |
| 59 | int i; |
| 60 | |
| 61 | g_assert_cmpint(tag_len, ==, strlen(MOUNT_TAG)); |
| 62 | |
| 63 | tag = g_malloc(tag_len); |
| 64 | for (i = 0; i < tag_len; i++) { |
| 65 | tag[i] = qvirtio_config_readb(v9p->vdev, i + 2); |
| 66 | } |
| 67 | g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len); |
| 68 | } |
| 69 | |
| 70 | static inline bool is_same_qid(v9fs_qid a, v9fs_qid b) |
| 71 | { |
| 72 | /* don't compare QID version for checking for file ID equalness */ |
| 73 | return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0; |
| 74 | } |
| 75 | |
| 76 | static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc) |
| 77 | { |
| 78 | v9fs_set_allocator(t_alloc); |
| 79 | tversion({ .client = obj }); |
| 80 | } |
| 81 | |
| 82 | static void fs_attach(void *obj, void *data, QGuestAllocator *t_alloc) |
| 83 | { |
| 84 | v9fs_set_allocator(t_alloc); |
| 85 | tattach({ .client = obj }); |
| 86 | } |
| 87 | |
| 88 | static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc) |
| 89 | { |
| 90 | QVirtio9P *v9p = obj; |
| 91 | v9fs_set_allocator(t_alloc); |
| 92 | char *wnames[P9_MAXWELEM]; |
| 93 | uint16_t nwqid; |
| 94 | g_autofree v9fs_qid *wqid = NULL; |
| 95 | int i; |
| 96 | |
| 97 | for (i = 0; i < P9_MAXWELEM; i++) { |
| 98 | wnames[i] = g_strdup_printf(QTEST_V9FS_SYNTH_WALK_FILE, i); |
| 99 | } |
| 100 | |
| 101 | tattach({ .client = v9p }); |
| 102 | twalk({ |
| 103 | .client = v9p, .fid = 0, .newfid = 1, |
| 104 | .nwname = P9_MAXWELEM, .wnames = wnames, |
| 105 | .rwalk = { .nwqid = &nwqid, .wqid = &wqid } |
| 106 | }); |
| 107 | |
| 108 | g_assert_cmpint(nwqid, ==, P9_MAXWELEM); |
| 109 | |
| 110 | for (i = 0; i < P9_MAXWELEM; i++) { |
| 111 | g_free(wnames[i]); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | static bool fs_dirents_contain_name(struct V9fsDirent *e, const char* name) |
| 116 | { |
| 117 | for (; e; e = e->next) { |
| 118 | if (!strcmp(e->name, name)) { |
| 119 | return true; |
| 120 | } |
| 121 | } |
| 122 | return false; |
| 123 | } |
| 124 | |
| 125 | /* |
| 126 | * Returns the current internal xattr FID count (works with synth driver only). |
| 127 | */ |
| 128 | static size_t get_xattr_count(QVirtio9P *v9p) |
| 129 | { |
| 130 | uint16_t nwqid; |
| 131 | v9fs_qid *wqid; |
| 132 | const char *xattr_count_path[] = { "stat", "xattr_count" }; |
| 133 | size_t xattr_count; |
| 134 | uint32_t bytes_read; |
| 135 | |
| 136 | /* walk to /stat/xattr_count file */ |
| 137 | uint32_t fid = twalk({ |
| 138 | .client = v9p, .fid = 0, |
| 139 | .nwname = 2, .wnames = (char **)xattr_count_path, |
| 140 | .rwalk = { .nwqid = &nwqid, .wqid = &wqid } |
| 141 | }).newfid; |
| 142 | |
| 143 | /* open for read */ |
| 144 | tlopen({ |
| 145 | .client = v9p, .fid = fid, .flags = O_RDONLY, |
| 146 | .rlopen = { .qid = NULL, .iounit = NULL } |
| 147 | }); |
| 148 | |
| 149 | /* read the internal xattr FID count */ |
| 150 | tread({ |
| 151 | .client = v9p, .fid = fid, .offset = 0, .count = sizeof(xattr_count), |
| 152 | .rread = { .count = &bytes_read, .data = &xattr_count } |
| 153 | }); |
| 154 | |
| 155 | /* cleanup */ |
| 156 | tclunk({ .client = v9p, .fid = fid }); |
| 157 | |
| 158 | return xattr_count; |
| 159 | } |
| 160 | |
| 161 | /* basic readdir test where reply fits into a single response message */ |
| 162 | static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc) |
| 163 | { |
| 164 | QVirtio9P *v9p = obj; |
| 165 | v9fs_set_allocator(t_alloc); |
| 166 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; |
| 167 | uint16_t nqid; |
| 168 | v9fs_qid qid; |
| 169 | uint32_t count, nentries; |
| 170 | struct V9fsDirent *entries = NULL; |
| 171 | |
| 172 | tattach({ .client = v9p }); |
| 173 | twalk({ |
| 174 | .client = v9p, .fid = 0, .newfid = 1, |
| 175 | .nwname = 1, .wnames = wnames, .rwalk.nwqid = &nqid |
| 176 | }); |
| 177 | g_assert_cmpint(nqid, ==, 1); |
| 178 | |
| 179 | tlopen({ |
| 180 | .client = v9p, .fid = 1, .flags = O_DIRECTORY, .rlopen.qid = &qid |
| 181 | }); |
| 182 | |
| 183 | /* |
| 184 | * submit count = msize - 11, because 11 is the header size of Rreaddir |
| 185 | */ |
| 186 | treaddir({ |
| 187 | .client = v9p, .fid = 1, .offset = 0, .count = P9_MAX_SIZE - 11, |
| 188 | .rreaddir = { |
| 189 | .count = &count, .nentries = &nentries, .entries = &entries |
| 190 | } |
| 191 | }); |
| 192 | |
| 193 | /* |
| 194 | * Assuming msize (P9_MAX_SIZE) is large enough so we can retrieve all |
| 195 | * dir entries with only one readdir request. |
| 196 | */ |
| 197 | g_assert_cmpint( |
| 198 | nentries, ==, |
| 199 | QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ |
| 200 | ); |
| 201 | |
| 202 | /* |
| 203 | * Check all file names exist in returned entries, ignore their order |
| 204 | * though. |
| 205 | */ |
| 206 | g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); |
| 207 | g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); |
| 208 | for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { |
| 209 | g_autofree char *name = |
| 210 | g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); |
| 211 | g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); |
| 212 | } |
| 213 | |
| 214 | v9fs_free_dirents(entries); |
| 215 | g_free(wnames[0]); |
| 216 | } |
| 217 | |
| 218 | /* readdir test where overall request is split over several messages */ |
| 219 | static void do_readdir_split(QVirtio9P *v9p, uint32_t count) |
| 220 | { |
| 221 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; |
| 222 | uint16_t nqid; |
| 223 | v9fs_qid qid; |
| 224 | uint32_t nentries, npartialentries; |
| 225 | struct V9fsDirent *entries, *tail, *partialentries; |
| 226 | int fid; |
| 227 | uint64_t offset; |
| 228 | |
| 229 | tattach({ .client = v9p }); |
| 230 | |
| 231 | fid = 1; |
| 232 | offset = 0; |
| 233 | entries = NULL; |
| 234 | nentries = 0; |
| 235 | tail = NULL; |
| 236 | |
| 237 | twalk({ |
| 238 | .client = v9p, .fid = 0, .newfid = fid, |
| 239 | .nwname = 1, .wnames = wnames, .rwalk.nwqid = &nqid |
| 240 | }); |
| 241 | g_assert_cmpint(nqid, ==, 1); |
| 242 | |
| 243 | tlopen({ |
| 244 | .client = v9p, .fid = fid, .flags = O_DIRECTORY, .rlopen.qid = &qid |
| 245 | }); |
| 246 | |
| 247 | /* |
| 248 | * send as many Treaddir requests as required to get all directory |
| 249 | * entries |
| 250 | */ |
| 251 | while (true) { |
| 252 | npartialentries = 0; |
| 253 | partialentries = NULL; |
| 254 | |
| 255 | treaddir({ |
| 256 | .client = v9p, .fid = fid, .offset = offset, .count = count, |
| 257 | .rreaddir = { |
| 258 | .count = &count, .nentries = &npartialentries, |
| 259 | .entries = &partialentries |
| 260 | } |
| 261 | }); |
| 262 | if (npartialentries > 0 && partialentries) { |
| 263 | if (!entries) { |
| 264 | entries = partialentries; |
| 265 | nentries = npartialentries; |
| 266 | tail = partialentries; |
| 267 | } else { |
| 268 | tail->next = partialentries; |
| 269 | nentries += npartialentries; |
| 270 | } |
| 271 | while (tail->next) { |
| 272 | tail = tail->next; |
| 273 | } |
| 274 | offset = tail->offset; |
| 275 | } else { |
| 276 | break; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | g_assert_cmpint( |
| 281 | nentries, ==, |
| 282 | QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ |
| 283 | ); |
| 284 | |
| 285 | /* |
| 286 | * Check all file names exist in returned entries, ignore their order |
| 287 | * though. |
| 288 | */ |
| 289 | g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); |
| 290 | g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); |
| 291 | for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { |
| 292 | char *name = g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); |
| 293 | g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); |
| 294 | g_free(name); |
| 295 | } |
| 296 | |
| 297 | v9fs_free_dirents(entries); |
| 298 | |
| 299 | g_free(wnames[0]); |
| 300 | } |
| 301 | |
| 302 | /* |
| 303 | * Test 9p server's xattr FID count limit enforcement. |
| 304 | * |
| 305 | * Shared test code for both 'synth' and 'local' driver to verify correct |
| 306 | * behaviour of 9p server enforcing preconfigured xattr FID count limit |
| 307 | * correctly. |
| 308 | * |
| 309 | * @v9p: 9pfs client |
| 310 | * |
| 311 | * @max_xattr: max. allowed xattr FIDs, or -1 for infinite |
| 312 | * |
| 313 | * @check_counter: whether to verify 9p server internal xattr FID counter |
| 314 | * (only works with 'synth' fs driver) |
| 315 | */ |
| 316 | static void do_xattr_limit(QVirtio9P *v9p, int max_xattr, bool check_counter) |
| 317 | { |
| 318 | size_t count; |
| 319 | int i; |
| 320 | int limit = (max_xattr != -1) ? max_xattr : V9FS_MAX_XATTR_DEFAULT + 100; |
| 321 | g_autofree uint32_t *fids = g_new0(uint32_t, limit); |
| 322 | uint32_t err_fid = 0; |
| 323 | const char *file_path[] = { QTEST_V9FS_SYNTH_WRITE_FILE }; |
| 324 | g_autofree uint8_t *xattr_data = g_malloc(TEST_XATTR_SIZE); |
| 325 | |
| 326 | if (!g_test_slow()) { |
| 327 | g_test_skip("This is a slow test, run with -m slow"); |
| 328 | return; |
| 329 | } |
| 330 | |
| 331 | /* prepare xattr data with 'X' characters */ |
| 332 | memset(xattr_data, 'X', TEST_XATTR_SIZE); |
| 333 | |
| 334 | tattach({ .client = v9p }); |
| 335 | |
| 336 | /* create max. amount of permitted xattrs */ |
| 337 | for (i = 0; i < limit; i++) { |
| 338 | /* walk to create a new fid */ |
| 339 | fids[i] = twalk({ |
| 340 | .client = v9p, .fid = 0, |
| 341 | .nwname = 1, .wnames = (char **) file_path |
| 342 | }).newfid; |
| 343 | |
| 344 | /* create new xattr fid */ |
| 345 | txattrcreate({ |
| 346 | .client = v9p, .fid = fids[i], .name = "user.test", |
| 347 | .size = TEST_XATTR_SIZE, .flags = 0 |
| 348 | }); |
| 349 | |
| 350 | /* transfer the xattr data */ |
| 351 | twrite({ |
| 352 | .client = v9p, .fid = fids[i], .offset = 0, |
| 353 | .count = TEST_XATTR_SIZE, .data = xattr_data |
| 354 | }); |
| 355 | |
| 356 | /* verify server internal xattr counter */ |
| 357 | if (check_counter) { |
| 358 | count = get_xattr_count(v9p); |
| 359 | g_assert_cmpuint(count, ==, (i + 1)); |
| 360 | } |
| 361 | |
| 362 | /* avoid virtio descriptor exhaustion */ |
| 363 | qvirtqueue_reset_pool(v9p->vq); |
| 364 | } |
| 365 | |
| 366 | /* if xattrs are limited, the next xattr should fail */ |
| 367 | if (max_xattr != -1) { |
| 368 | /* walk to create another fid */ |
| 369 | err_fid = twalk({ |
| 370 | .client = v9p, .fid = 0, |
| 371 | .nwname = 1, .wnames = (char **) file_path |
| 372 | }).newfid; |
| 373 | |
| 374 | /* try to create one more xattr fid - should fail */ |
| 375 | txattrcreate({ |
| 376 | .client = v9p, .fid = err_fid, .name = "user.test_exceed", |
| 377 | .size = TEST_XATTR_SIZE, .flags = 0, |
| 378 | .expectErr = ENOSPC |
| 379 | }); |
| 380 | |
| 381 | /* verify internal xattr counter hasn't changed */ |
| 382 | if (check_counter) { |
| 383 | count = get_xattr_count(v9p); |
| 384 | g_assert_cmpuint(count, ==, limit); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | /* clunk all fids (should decrement xattr counter) */ |
| 389 | for (i = 0; i < limit; i++) { |
| 390 | tclunk({ .client = v9p, .fid = fids[i] }); |
| 391 | qvirtqueue_reset_pool(v9p->vq); |
| 392 | } |
| 393 | if (err_fid) { |
| 394 | tclunk({ .client = v9p, .fid = err_fid }); |
| 395 | } |
| 396 | |
| 397 | /* verify internal xattr counter is zero */ |
| 398 | if (check_counter) { |
| 399 | count = get_xattr_count(v9p); |
| 400 | g_assert_cmpuint(count, ==, 0); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | static void do_local_xattr_limit(QVirtio9P *v9p, int max_xattr) |
| 405 | { |
| 406 | g_autofree char *test_file = virtio_9p_test_path("WRITE"); |
| 407 | |
| 408 | /* |
| 409 | * this file must be created for the test to work with the 'local' fs driver |
| 410 | */ |
| 411 | g_assert(g_file_set_contents(test_file, "", 0, NULL)); |
| 412 | |
| 413 | /* the actual test code shared with the 'synth' fs driver tests */ |
| 414 | do_xattr_limit(v9p, max_xattr, false); |
| 415 | } |
| 416 | |
| 417 | static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc) |
| 418 | { |
| 419 | QVirtio9P *v9p = obj; |
| 420 | v9fs_set_allocator(t_alloc); |
| 421 | char *wnames[] = { g_strdup(" /") }; |
| 422 | |
| 423 | tattach({ .client = v9p }); |
| 424 | twalk({ |
| 425 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames, |
| 426 | .expectErr = ENOENT |
| 427 | }); |
| 428 | |
| 429 | g_free(wnames[0]); |
| 430 | } |
| 431 | |
| 432 | static void fs_walk_nonexistent(void *obj, void *data, QGuestAllocator *t_alloc) |
| 433 | { |
| 434 | QVirtio9P *v9p = obj; |
| 435 | v9fs_set_allocator(t_alloc); |
| 436 | |
| 437 | tattach({ .client = v9p }); |
| 438 | /* |
| 439 | * The 9p2000 protocol spec says: "If the first element cannot be walked |
| 440 | * for any reason, Rerror is returned." |
| 441 | */ |
| 442 | twalk({ .client = v9p, .path = "non-existent", .expectErr = ENOENT }); |
| 443 | } |
| 444 | |
| 445 | static void fs_walk_2nd_nonexistent(void *obj, void *data, |
| 446 | QGuestAllocator *t_alloc) |
| 447 | { |
| 448 | QVirtio9P *v9p = obj; |
| 449 | v9fs_set_allocator(t_alloc); |
| 450 | v9fs_qid root_qid; |
| 451 | uint16_t nwqid; |
| 452 | uint32_t fid; |
| 453 | g_autofree v9fs_qid *wqid = NULL; |
| 454 | g_autofree char *path = g_strdup_printf( |
| 455 | QTEST_V9FS_SYNTH_WALK_FILE "/non-existent", 0 |
| 456 | ); |
| 457 | |
| 458 | tattach({ .client = v9p, .rattach.qid = &root_qid }); |
| 459 | fid = twalk({ |
| 460 | .client = v9p, .path = path, |
| 461 | .rwalk = { .nwqid = &nwqid, .wqid = &wqid } |
| 462 | }).newfid; |
| 463 | /* |
| 464 | * The 9p2000 protocol spec says: "nwqid is therefore either nwname or the |
| 465 | * index of the first elementwise walk that failed." |
| 466 | */ |
| 467 | assert(nwqid == 1); |
| 468 | |
| 469 | /* returned QID wqid[0] is file ID of 1st subdir */ |
| 470 | g_assert(wqid && wqid[0] && !is_same_qid(root_qid, wqid[0])); |
| 471 | |
| 472 | /* expect fid being unaffected by walk above */ |
| 473 | tgetattr({ |
| 474 | .client = v9p, .fid = fid, .request_mask = P9_GETATTR_BASIC, |
| 475 | .expectErr = ENOENT |
| 476 | }); |
| 477 | } |
| 478 | |
| 479 | static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc) |
| 480 | { |
| 481 | QVirtio9P *v9p = obj; |
| 482 | v9fs_set_allocator(t_alloc); |
| 483 | v9fs_qid root_qid; |
| 484 | g_autofree v9fs_qid *wqid = NULL; |
| 485 | struct v9fs_attr attr; |
| 486 | |
| 487 | tversion({ .client = v9p }); |
| 488 | tattach({ |
| 489 | .client = v9p, .fid = 0, .n_uname = getuid(), |
| 490 | .rattach.qid = &root_qid |
| 491 | }); |
| 492 | |
| 493 | twalk({ |
| 494 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 0, .wnames = NULL, |
| 495 | .rwalk.wqid = &wqid |
| 496 | }); |
| 497 | |
| 498 | /* special case: no QID is returned if nwname=0 was sent */ |
| 499 | g_assert(wqid == NULL); |
| 500 | |
| 501 | tgetattr({ |
| 502 | .client = v9p, .fid = 1, .request_mask = P9_GETATTR_BASIC, |
| 503 | .rgetattr.attr = &attr |
| 504 | }); |
| 505 | |
| 506 | g_assert(is_same_qid(root_qid, attr.qid)); |
| 507 | } |
| 508 | |
| 509 | static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc) |
| 510 | { |
| 511 | QVirtio9P *v9p = obj; |
| 512 | v9fs_set_allocator(t_alloc); |
| 513 | char *wnames[] = { g_strdup("..") }; |
| 514 | v9fs_qid root_qid; |
| 515 | g_autofree v9fs_qid *wqid = NULL; |
| 516 | |
| 517 | tversion({ .client = v9p }); |
| 518 | tattach({ |
| 519 | .client = v9p, .fid = 0, .n_uname = getuid(), |
| 520 | .rattach.qid = &root_qid |
| 521 | }); |
| 522 | |
| 523 | twalk({ |
| 524 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames, |
| 525 | .rwalk.wqid = &wqid /* We now we'll get one qid */ |
| 526 | }); |
| 527 | |
| 528 | g_assert_cmpmem(&root_qid, 13, wqid[0], 13); |
| 529 | |
| 530 | g_free(wnames[0]); |
| 531 | } |
| 532 | |
| 533 | static void fs_lopen(void *obj, void *data, QGuestAllocator *t_alloc) |
| 534 | { |
| 535 | QVirtio9P *v9p = obj; |
| 536 | v9fs_set_allocator(t_alloc); |
| 537 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) }; |
| 538 | |
| 539 | tattach({ .client = v9p }); |
| 540 | twalk({ |
| 541 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames |
| 542 | }); |
| 543 | |
| 544 | tlopen({ .client = v9p, .fid = 1, .flags = O_WRONLY }); |
| 545 | |
| 546 | g_free(wnames[0]); |
| 547 | } |
| 548 | |
| 549 | static void fs_write(void *obj, void *data, QGuestAllocator *t_alloc) |
| 550 | { |
| 551 | QVirtio9P *v9p = obj; |
| 552 | v9fs_set_allocator(t_alloc); |
| 553 | static const uint32_t write_count = P9_MAX_SIZE / 2; |
| 554 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) }; |
| 555 | g_autofree char *buf = g_malloc0(write_count); |
| 556 | uint32_t count; |
| 557 | |
| 558 | tattach({ .client = v9p }); |
| 559 | twalk({ |
| 560 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames |
| 561 | }); |
| 562 | |
| 563 | tlopen({ .client = v9p, .fid = 1, .flags = O_WRONLY }); |
| 564 | |
| 565 | count = twrite({ |
| 566 | .client = v9p, .fid = 1, .offset = 0, .count = write_count, |
| 567 | .data = buf |
| 568 | }).count; |
| 569 | g_assert_cmpint(count, ==, write_count); |
| 570 | |
| 571 | g_free(wnames[0]); |
| 572 | } |
| 573 | |
| 574 | static void fs_flush_success(void *obj, void *data, QGuestAllocator *t_alloc) |
| 575 | { |
| 576 | QVirtio9P *v9p = obj; |
| 577 | v9fs_set_allocator(t_alloc); |
| 578 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; |
| 579 | P9Req *req, *flush_req; |
| 580 | uint32_t reply_len; |
| 581 | uint8_t should_block; |
| 582 | |
| 583 | tattach({ .client = v9p }); |
| 584 | twalk({ |
| 585 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames |
| 586 | }); |
| 587 | |
| 588 | tlopen({ .client = v9p, .fid = 1, .flags = O_WRONLY }); |
| 589 | |
| 590 | /* This will cause the 9p server to try to write data to the backend, |
| 591 | * until the write request gets cancelled. |
| 592 | */ |
| 593 | should_block = 1; |
| 594 | req = twrite({ |
| 595 | .client = v9p, .fid = 1, .offset = 0, |
| 596 | .count = sizeof(should_block), .data = &should_block, |
| 597 | .requestOnly = true |
| 598 | }).req; |
| 599 | |
| 600 | flush_req = tflush({ |
| 601 | .client = v9p, .oldtag = req->tag, .tag = 1, .requestOnly = true |
| 602 | }).req; |
| 603 | |
| 604 | /* The write request is supposed to be flushed: the server should just |
| 605 | * mark the write request as used and reply to the flush request. |
| 606 | */ |
| 607 | v9fs_req_wait_for_reply(req, &reply_len); |
| 608 | g_assert_cmpint(reply_len, ==, 0); |
| 609 | v9fs_req_free(req); |
| 610 | v9fs_rflush(flush_req); |
| 611 | |
| 612 | g_free(wnames[0]); |
| 613 | } |
| 614 | |
| 615 | static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc) |
| 616 | { |
| 617 | QVirtio9P *v9p = obj; |
| 618 | v9fs_set_allocator(t_alloc); |
| 619 | char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; |
| 620 | P9Req *req, *flush_req; |
| 621 | uint32_t count; |
| 622 | uint8_t should_block; |
| 623 | |
| 624 | tattach({ .client = v9p }); |
| 625 | twalk({ |
| 626 | .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames |
| 627 | }); |
| 628 | |
| 629 | tlopen({ .client = v9p, .fid = 1, .flags = O_WRONLY }); |
| 630 | |
| 631 | /* This will cause the write request to complete right away, before it |
| 632 | * could be actually cancelled. |
| 633 | */ |
| 634 | should_block = 0; |
| 635 | req = twrite({ |
| 636 | .client = v9p, .fid = 1, .offset = 0, |
| 637 | .count = sizeof(should_block), .data = &should_block, |
| 638 | .requestOnly = true |
| 639 | }).req; |
| 640 | |
| 641 | flush_req = tflush({ |
| 642 | .client = v9p, .oldtag = req->tag, .tag = 1, .requestOnly = true |
| 643 | }).req; |
| 644 | |
| 645 | /* The write request is supposed to complete. The server should |
| 646 | * reply to the write request and the flush request. |
| 647 | */ |
| 648 | v9fs_req_wait_for_reply(req, NULL); |
| 649 | v9fs_rwrite(req, &count); |
| 650 | g_assert_cmpint(count, ==, sizeof(should_block)); |
| 651 | v9fs_rflush(flush_req); |
| 652 | |
| 653 | g_free(wnames[0]); |
| 654 | } |
| 655 | |
| 656 | static void fs_readdir_split_128(void *obj, void *data, |
| 657 | QGuestAllocator *t_alloc) |
| 658 | { |
| 659 | v9fs_set_allocator(t_alloc); |
| 660 | do_readdir_split(obj, 128); |
| 661 | } |
| 662 | |
| 663 | static void fs_readdir_split_256(void *obj, void *data, |
| 664 | QGuestAllocator *t_alloc) |
| 665 | { |
| 666 | v9fs_set_allocator(t_alloc); |
| 667 | do_readdir_split(obj, 256); |
| 668 | } |
| 669 | |
| 670 | static void fs_readdir_split_512(void *obj, void *data, |
| 671 | QGuestAllocator *t_alloc) |
| 672 | { |
| 673 | v9fs_set_allocator(t_alloc); |
| 674 | do_readdir_split(obj, 512); |
| 675 | } |
| 676 | |
| 677 | static void fs_synth_xattr_limit_default(void *obj, void *data, |
| 678 | QGuestAllocator *t_alloc) |
| 679 | { |
| 680 | v9fs_set_allocator(t_alloc); |
| 681 | do_xattr_limit(obj, V9FS_MAX_XATTR_DEFAULT, true); |
| 682 | } |
| 683 | |
| 684 | static void fs_synth_xattr_limit_custom(void *obj, void *data, |
| 685 | QGuestAllocator *t_alloc) |
| 686 | { |
| 687 | v9fs_set_allocator(t_alloc); |
| 688 | do_xattr_limit(obj, 100, true); |
| 689 | } |
| 690 | |
| 691 | static void fs_synth_xattr_limit_unlimited(void *obj, void *data, |
| 692 | QGuestAllocator *t_alloc) |
| 693 | { |
| 694 | v9fs_set_allocator(t_alloc); |
| 695 | do_xattr_limit(obj, -1, true); |
| 696 | } |
| 697 | |
| 698 | |
| 699 | /* tests using the 9pfs 'local' fs driver */ |
| 700 | |
| 701 | static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc) |
| 702 | { |
| 703 | QVirtio9P *v9p = obj; |
| 704 | v9fs_set_allocator(t_alloc); |
| 705 | struct stat st; |
| 706 | g_autofree char *root_path = virtio_9p_test_path(""); |
| 707 | g_autofree char *new_dir = virtio_9p_test_path("01"); |
| 708 | |
| 709 | g_assert(root_path != NULL); |
| 710 | |
| 711 | tattach({ .client = v9p }); |
| 712 | tmkdir({ .client = v9p, .atPath = "/", .name = "01" }); |
| 713 | |
| 714 | /* check if created directory really exists now ... */ |
| 715 | g_assert(stat(new_dir, &st) == 0); |
| 716 | /* ... and is actually a directory */ |
| 717 | g_assert((st.st_mode & S_IFMT) == S_IFDIR); |
| 718 | } |
| 719 | |
| 720 | static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc) |
| 721 | { |
| 722 | QVirtio9P *v9p = obj; |
| 723 | v9fs_set_allocator(t_alloc); |
| 724 | struct stat st; |
| 725 | g_autofree char *root_path = virtio_9p_test_path(""); |
| 726 | g_autofree char *new_dir = virtio_9p_test_path("02"); |
| 727 | |
| 728 | g_assert(root_path != NULL); |
| 729 | |
| 730 | tattach({ .client = v9p }); |
| 731 | tmkdir({ .client = v9p, .atPath = "/", .name = "02" }); |
| 732 | |
| 733 | /* check if created directory really exists now ... */ |
| 734 | g_assert(stat(new_dir, &st) == 0); |
| 735 | /* ... and is actually a directory */ |
| 736 | g_assert((st.st_mode & S_IFMT) == S_IFDIR); |
| 737 | |
| 738 | tunlinkat({ |
| 739 | .client = v9p, .atPath = "/", .name = "02", |
| 740 | .flags = P9_DOTL_AT_REMOVEDIR |
| 741 | }); |
| 742 | /* directory should be gone now */ |
| 743 | g_assert(stat(new_dir, &st) != 0); |
| 744 | } |
| 745 | |
| 746 | static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc) |
| 747 | { |
| 748 | QVirtio9P *v9p = obj; |
| 749 | v9fs_set_allocator(t_alloc); |
| 750 | struct stat st; |
| 751 | g_autofree char *new_file = virtio_9p_test_path("03/1st_file"); |
| 752 | |
| 753 | tattach({ .client = v9p }); |
| 754 | tmkdir({ .client = v9p, .atPath = "/", .name = "03" }); |
| 755 | tlcreate({ .client = v9p, .atPath = "03", .name = "1st_file" }); |
| 756 | |
| 757 | /* check if created file exists now ... */ |
| 758 | g_assert(stat(new_file, &st) == 0); |
| 759 | /* ... and is a regular file */ |
| 760 | g_assert((st.st_mode & S_IFMT) == S_IFREG); |
| 761 | } |
| 762 | |
| 763 | static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc) |
| 764 | { |
| 765 | QVirtio9P *v9p = obj; |
| 766 | v9fs_set_allocator(t_alloc); |
| 767 | struct stat st; |
| 768 | g_autofree char *new_file = virtio_9p_test_path("04/doa_file"); |
| 769 | |
| 770 | tattach({ .client = v9p }); |
| 771 | tmkdir({ .client = v9p, .atPath = "/", .name = "04" }); |
| 772 | tlcreate({ .client = v9p, .atPath = "04", .name = "doa_file" }); |
| 773 | |
| 774 | /* check if created file exists now ... */ |
| 775 | g_assert(stat(new_file, &st) == 0); |
| 776 | /* ... and is a regular file */ |
| 777 | g_assert((st.st_mode & S_IFMT) == S_IFREG); |
| 778 | |
| 779 | tunlinkat({ .client = v9p, .atPath = "04", .name = "doa_file" }); |
| 780 | /* file should be gone now */ |
| 781 | g_assert(stat(new_file, &st) != 0); |
| 782 | } |
| 783 | |
| 784 | static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc) |
| 785 | { |
| 786 | QVirtio9P *v9p = obj; |
| 787 | v9fs_set_allocator(t_alloc); |
| 788 | struct stat st; |
| 789 | g_autofree char *real_file = virtio_9p_test_path("05/real_file"); |
| 790 | g_autofree char *symlink_file = virtio_9p_test_path("05/symlink_file"); |
| 791 | |
| 792 | tattach({ .client = v9p }); |
| 793 | tmkdir({ .client = v9p, .atPath = "/", .name = "05" }); |
| 794 | tlcreate({ .client = v9p, .atPath = "05", .name = "real_file" }); |
| 795 | g_assert(stat(real_file, &st) == 0); |
| 796 | g_assert((st.st_mode & S_IFMT) == S_IFREG); |
| 797 | |
| 798 | tsymlink({ |
| 799 | .client = v9p, .atPath = "05", .name = "symlink_file", |
| 800 | .symtgt = "real_file" |
| 801 | }); |
| 802 | |
| 803 | /* check if created link exists now */ |
| 804 | g_assert(stat(symlink_file, &st) == 0); |
| 805 | } |
| 806 | |
| 807 | static void fs_unlinkat_symlink(void *obj, void *data, |
| 808 | QGuestAllocator *t_alloc) |
| 809 | { |
| 810 | QVirtio9P *v9p = obj; |
| 811 | v9fs_set_allocator(t_alloc); |
| 812 | struct stat st; |
| 813 | g_autofree char *real_file = virtio_9p_test_path("06/real_file"); |
| 814 | g_autofree char *symlink_file = virtio_9p_test_path("06/symlink_file"); |
| 815 | |
| 816 | tattach({ .client = v9p }); |
| 817 | tmkdir({ .client = v9p, .atPath = "/", .name = "06" }); |
| 818 | tlcreate({ .client = v9p, .atPath = "06", .name = "real_file" }); |
| 819 | g_assert(stat(real_file, &st) == 0); |
| 820 | g_assert((st.st_mode & S_IFMT) == S_IFREG); |
| 821 | |
| 822 | tsymlink({ |
| 823 | .client = v9p, .atPath = "06", .name = "symlink_file", |
| 824 | .symtgt = "real_file" |
| 825 | }); |
| 826 | g_assert(stat(symlink_file, &st) == 0); |
| 827 | |
| 828 | tunlinkat({ .client = v9p, .atPath = "06", .name = "symlink_file" }); |
| 829 | /* symlink should be gone now */ |
| 830 | g_assert(stat(symlink_file, &st) != 0); |
| 831 | } |
| 832 | |
| 833 | static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc) |
| 834 | { |
| 835 | QVirtio9P *v9p = obj; |
| 836 | v9fs_set_allocator(t_alloc); |
| 837 | struct stat st_real, st_link; |
| 838 | g_autofree char *real_file = virtio_9p_test_path("07/real_file"); |
| 839 | g_autofree char *hardlink_file = virtio_9p_test_path("07/hardlink_file"); |
| 840 | |
| 841 | tattach({ .client = v9p }); |
| 842 | tmkdir({ .client = v9p, .atPath = "/", .name = "07" }); |
| 843 | tlcreate({ .client = v9p, .atPath = "07", .name = "real_file" }); |
| 844 | g_assert(stat(real_file, &st_real) == 0); |
| 845 | g_assert((st_real.st_mode & S_IFMT) == S_IFREG); |
| 846 | |
| 847 | tlink({ |
| 848 | .client = v9p, .atPath = "07", .name = "hardlink_file", |
| 849 | .toPath = "07/real_file" |
| 850 | }); |
| 851 | |
| 852 | /* check if link exists now ... */ |
| 853 | g_assert(stat(hardlink_file, &st_link) == 0); |
| 854 | /* ... and it's a hard link, right? */ |
| 855 | g_assert((st_link.st_mode & S_IFMT) == S_IFREG); |
| 856 | g_assert(st_link.st_dev == st_real.st_dev); |
| 857 | g_assert(st_link.st_ino == st_real.st_ino); |
| 858 | } |
| 859 | |
| 860 | static void fs_unlinkat_hardlink(void *obj, void *data, |
| 861 | QGuestAllocator *t_alloc) |
| 862 | { |
| 863 | QVirtio9P *v9p = obj; |
| 864 | v9fs_set_allocator(t_alloc); |
| 865 | struct stat st_real, st_link; |
| 866 | g_autofree char *real_file = virtio_9p_test_path("08/real_file"); |
| 867 | g_autofree char *hardlink_file = virtio_9p_test_path("08/hardlink_file"); |
| 868 | |
| 869 | tattach({ .client = v9p }); |
| 870 | tmkdir({ .client = v9p, .atPath = "/", .name = "08" }); |
| 871 | tlcreate({ .client = v9p, .atPath = "08", .name = "real_file" }); |
| 872 | g_assert(stat(real_file, &st_real) == 0); |
| 873 | g_assert((st_real.st_mode & S_IFMT) == S_IFREG); |
| 874 | |
| 875 | tlink({ |
| 876 | .client = v9p, .atPath = "08", .name = "hardlink_file", |
| 877 | .toPath = "08/real_file" |
| 878 | }); |
| 879 | g_assert(stat(hardlink_file, &st_link) == 0); |
| 880 | |
| 881 | tunlinkat({ .client = v9p, .atPath = "08", .name = "hardlink_file" }); |
| 882 | /* symlink should be gone now */ |
| 883 | g_assert(stat(hardlink_file, &st_link) != 0); |
| 884 | /* and old file should still exist */ |
| 885 | g_assert(stat(real_file, &st_real) == 0); |
| 886 | } |
| 887 | |
| 888 | static void fs_use_after_unlink(void *obj, void *data, |
| 889 | QGuestAllocator *t_alloc) |
| 890 | { |
| 891 | QVirtio9P *v9p = obj; |
| 892 | v9fs_set_allocator(t_alloc); |
| 893 | static const uint32_t write_count = P9_MAX_SIZE / 2; |
| 894 | g_autofree char *real_file = virtio_9p_test_path("09/doa_file"); |
| 895 | g_autofree char *buf = g_malloc0(write_count); |
| 896 | struct stat st_file; |
| 897 | struct v9fs_attr attr; |
| 898 | uint32_t fid_file; |
| 899 | uint32_t count; |
| 900 | |
| 901 | tattach({ .client = v9p }); |
| 902 | |
| 903 | /* create a file "09/doa_file" and make sure it exists and is regular */ |
| 904 | tmkdir({ .client = v9p, .atPath = "/", .name = "09" }); |
| 905 | tlcreate({ .client = v9p, .atPath = "09", .name = "doa_file" }); |
| 906 | g_assert(stat(real_file, &st_file) == 0); |
| 907 | g_assert((st_file.st_mode & S_IFMT) == S_IFREG); |
| 908 | |
| 909 | /* request a FID for that regular file that we can work with next */ |
| 910 | fid_file = twalk({ |
| 911 | .client = v9p, .fid = 0, .path = "09/doa_file" |
| 912 | }).newfid; |
| 913 | g_assert(fid_file != 0); |
| 914 | |
| 915 | /* now first open the file in write mode before ... */ |
| 916 | tlopen({ .client = v9p, .fid = fid_file, .flags = O_WRONLY }); |
| 917 | /* ... removing the file from file system */ |
| 918 | tunlinkat({ .client = v9p, .atPath = "09", .name = "doa_file" }); |
| 919 | |
| 920 | /* file is removed, but we still have it open, so this should succeed */ |
| 921 | tgetattr({ |
| 922 | .client = v9p, .fid = fid_file, .request_mask = P9_GETATTR_BASIC, |
| 923 | .rgetattr.attr = &attr |
| 924 | }); |
| 925 | count = twrite({ |
| 926 | .client = v9p, .fid = fid_file, .offset = 0, .count = write_count, |
| 927 | .data = buf |
| 928 | }).count; |
| 929 | g_assert_cmpint(count, ==, write_count); |
| 930 | |
| 931 | /* truncate file to (arbitrarily chosen) size 2001 */ |
| 932 | tsetattr({ |
| 933 | .client = v9p, .fid = fid_file, .attr = (v9fs_attr) { |
| 934 | .valid = P9_SETATTR_SIZE, |
| 935 | .size = 2001 |
| 936 | } |
| 937 | }); |
| 938 | /* truncate apparently succeeded, let's double-check the size */ |
| 939 | tgetattr({ |
| 940 | .client = v9p, .fid = fid_file, .request_mask = P9_GETATTR_BASIC, |
| 941 | .rgetattr.attr = &attr |
| 942 | }); |
| 943 | g_assert_cmpint(attr.size, ==, 2001); |
| 944 | } |
| 945 | |
| 946 | /* https://gitlab.com/qemu-project/qemu/-/issues/3358 */ |
| 947 | static void fs_deep_absolute_path(void *obj, void *data, |
| 948 | QGuestAllocator *t_alloc) |
| 949 | { |
| 950 | QVirtio9P *v9p = obj; |
| 951 | v9fs_set_allocator(t_alloc); |
| 952 | |
| 953 | if (!g_test_slow()) { |
| 954 | g_test_skip("This is a slow test, run with -m slow"); |
| 955 | return; |
| 956 | } |
| 957 | |
| 958 | GString *path = g_string_new("/"); |
| 959 | char name[256]; |
| 960 | uint32_t current_fid = 0; |
| 961 | |
| 962 | tattach({ .client = v9p }); |
| 963 | |
| 964 | /* Create deep directory structure until absolute path length |
| 965 | * exceeds 16-bit range. |
| 966 | */ |
| 967 | while (path->len <= 65536) { |
| 968 | /* use 255-byte name (NAME_MAX) to reduce iterations to ~257 */ |
| 969 | memset(name, 'A', 255); |
| 970 | name[255] = '\0'; |
| 971 | |
| 972 | /* create the directory relative to current FID */ |
| 973 | tmkdir({ |
| 974 | .client = v9p, |
| 975 | .dfid = current_fid, |
| 976 | .name = name |
| 977 | }); |
| 978 | |
| 979 | /* just for locally tracking the current path length */ |
| 980 | g_string_append(path, name); |
| 981 | g_string_append(path, "/"); |
| 982 | |
| 983 | /* acquire new FID for the newly created directory */ |
| 984 | char *wnames[] = { name }; |
| 985 | current_fid = twalk({ |
| 986 | .client = v9p, |
| 987 | .fid = current_fid, |
| 988 | .nwname = 1, |
| 989 | .wnames = wnames |
| 990 | }).newfid; |
| 991 | |
| 992 | /* Reset descriptor pool to avoid exhaustion. The simplified |
| 993 | * virtio test driver does never free descriptors back to the pool |
| 994 | * after use, so we must manually reset it for the required high |
| 995 | * amount of 9p requests here. |
| 996 | */ |
| 997 | qvirtqueue_reset_pool(v9p->vq); |
| 998 | } |
| 999 | |
| 1000 | /* check if the deepest directory is accessible */ |
| 1001 | v9fs_attr attr = {}; |
| 1002 | tgetattr({ |
| 1003 | .client = v9p, |
| 1004 | .fid = current_fid, |
| 1005 | .request_mask = P9_GETATTR_BASIC, |
| 1006 | .rgetattr.attr = &attr |
| 1007 | }); |
| 1008 | |
| 1009 | g_string_free(path, TRUE); |
| 1010 | } |
| 1011 | |
| 1012 | static void fs_local_xattr_limit_default(void *obj, void *data, |
| 1013 | QGuestAllocator *t_alloc) |
| 1014 | { |
| 1015 | v9fs_set_allocator(t_alloc); |
| 1016 | do_local_xattr_limit(obj, V9FS_MAX_XATTR_DEFAULT); |
| 1017 | } |
| 1018 | |
| 1019 | static void fs_local_xattr_limit_custom(void *obj, void *data, |
| 1020 | QGuestAllocator *t_alloc) |
| 1021 | { |
| 1022 | v9fs_set_allocator(t_alloc); |
| 1023 | do_local_xattr_limit(obj, 100); |
| 1024 | } |
| 1025 | |
| 1026 | static void fs_local_xattr_limit_unlimited(void *obj, void *data, |
| 1027 | QGuestAllocator *t_alloc) |
| 1028 | { |
| 1029 | v9fs_set_allocator(t_alloc); |
| 1030 | do_local_xattr_limit(obj, -1); |
| 1031 | } |
| 1032 | |
| 1033 | static void *synth_max_xattr_custom_opt(GString *cmd_line, void *arg) |
| 1034 | { |
| 1035 | virtio_9p_add_synth_driver_args(cmd_line, "max_xattr=100"); |
| 1036 | return arg; |
| 1037 | } |
| 1038 | |
| 1039 | static void *synth_max_xattr_unlimited_opt(GString *cmd_line, void *arg) |
| 1040 | { |
| 1041 | virtio_9p_add_synth_driver_args(cmd_line, "max_xattr=0"); |
| 1042 | return arg; |
| 1043 | } |
| 1044 | |
| 1045 | static void cleanup_9p_local_driver(void *data) |
| 1046 | { |
| 1047 | /* remove previously created test dir when test is completed */ |
| 1048 | virtio_9p_remove_local_test_dir(); |
| 1049 | } |
| 1050 | |
| 1051 | static void assign_9p_local_driver_with_args(GString *cmd_line, |
| 1052 | const char *extra_opts) |
| 1053 | { |
| 1054 | /* make sure test dir for the 'local' tests exists */ |
| 1055 | virtio_9p_create_local_test_dir(); |
| 1056 | |
| 1057 | g_autofree char *opts = |
| 1058 | (extra_opts) ? |
| 1059 | g_strdup_printf("security_model=mapped-xattr,%s", extra_opts) : |
| 1060 | g_strdup("security_model=mapped-xattr"); |
| 1061 | |
| 1062 | virtio_9p_assign_local_driver(cmd_line, opts); |
| 1063 | |
| 1064 | g_test_queue_destroy(cleanup_9p_local_driver, NULL); |
| 1065 | } |
| 1066 | |
| 1067 | static void *assign_9p_local_driver(GString *cmd_line, void *arg) |
| 1068 | { |
| 1069 | assign_9p_local_driver_with_args(cmd_line, NULL); |
| 1070 | return arg; |
| 1071 | } |
| 1072 | |
| 1073 | static void *local_max_xattr_custom_opt(GString *cmd_line, void *arg) |
| 1074 | { |
| 1075 | assign_9p_local_driver_with_args(cmd_line, "max_xattr=100"); |
| 1076 | return arg; |
| 1077 | } |
| 1078 | |
| 1079 | static void *local_max_xattr_unlimited_opt(GString *cmd_line, void *arg) |
| 1080 | { |
| 1081 | assign_9p_local_driver_with_args(cmd_line, "max_xattr=0"); |
| 1082 | return arg; |
| 1083 | } |
| 1084 | |
| 1085 | static void register_virtio_9p_test(void) |
| 1086 | { |
| 1087 | QOSGraphTestOptions opts = { |
| 1088 | }; |
| 1089 | |
| 1090 | /* 9pfs test cases using the 'synth' filesystem driver */ |
| 1091 | qos_add_test("synth/config", "virtio-9p", pci_config, &opts); |
| 1092 | qos_add_test("synth/version/basic", "virtio-9p", fs_version, &opts); |
| 1093 | qos_add_test("synth/attach/basic", "virtio-9p", fs_attach, &opts); |
| 1094 | qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts); |
| 1095 | qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash, |
| 1096 | &opts); |
| 1097 | qos_add_test("synth/walk/none", "virtio-9p", fs_walk_none, &opts); |
| 1098 | qos_add_test("synth/walk/dotdot_from_root", "virtio-9p", |
| 1099 | fs_walk_dotdot, &opts); |
| 1100 | qos_add_test("synth/walk/non_existent", "virtio-9p", fs_walk_nonexistent, |
| 1101 | &opts); |
| 1102 | qos_add_test("synth/walk/2nd_non_existent", "virtio-9p", |
| 1103 | fs_walk_2nd_nonexistent, &opts); |
| 1104 | qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts); |
| 1105 | qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts); |
| 1106 | qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success, |
| 1107 | &opts); |
| 1108 | qos_add_test("synth/flush/ignored", "virtio-9p", fs_flush_ignored, |
| 1109 | &opts); |
| 1110 | qos_add_test("synth/readdir/basic", "virtio-9p", fs_readdir, &opts); |
| 1111 | qos_add_test("synth/readdir/split_512", "virtio-9p", |
| 1112 | fs_readdir_split_512, &opts); |
| 1113 | qos_add_test("synth/readdir/split_256", "virtio-9p", |
| 1114 | fs_readdir_split_256, &opts); |
| 1115 | qos_add_test("synth/readdir/split_128", "virtio-9p", |
| 1116 | fs_readdir_split_128, &opts); |
| 1117 | qos_add_test("synth/xattr_limit/default", "virtio-9p", |
| 1118 | fs_synth_xattr_limit_default, &opts); |
| 1119 | opts.before = synth_max_xattr_custom_opt; |
| 1120 | qos_add_test("synth/xattr_limit/custom", "virtio-9p", |
| 1121 | fs_synth_xattr_limit_custom, &opts); |
| 1122 | opts.before = synth_max_xattr_unlimited_opt; |
| 1123 | qos_add_test("synth/xattr_limit/unlimited", "virtio-9p", |
| 1124 | fs_synth_xattr_limit_unlimited, &opts); |
| 1125 | |
| 1126 | /* 9pfs test cases using the 'local' filesystem driver */ |
| 1127 | opts.before = assign_9p_local_driver; |
| 1128 | qos_add_test("local/config", "virtio-9p", pci_config, &opts); |
| 1129 | qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts); |
| 1130 | qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts); |
| 1131 | qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts); |
| 1132 | qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &opts); |
| 1133 | qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts); |
| 1134 | qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink, |
| 1135 | &opts); |
| 1136 | qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &opts); |
| 1137 | qos_add_test("local/unlinkat_hardlink", "virtio-9p", fs_unlinkat_hardlink, |
| 1138 | &opts); |
| 1139 | qos_add_test("local/use_after_unlink", "virtio-9p", fs_use_after_unlink, |
| 1140 | &opts); |
| 1141 | qos_add_test("local/deep_absolute_path", "virtio-9p", |
| 1142 | fs_deep_absolute_path, &opts); |
| 1143 | qos_add_test("local/xattr_limit/default", "virtio-9p", |
| 1144 | fs_local_xattr_limit_default, &opts); |
| 1145 | opts.before = local_max_xattr_custom_opt; |
| 1146 | qos_add_test("local/xattr_limit/custom", "virtio-9p", |
| 1147 | fs_local_xattr_limit_custom, &opts); |
| 1148 | opts.before = local_max_xattr_unlimited_opt; |
| 1149 | qos_add_test("local/xattr_limit/unlimited", "virtio-9p", |
| 1150 | fs_local_xattr_limit_unlimited, &opts); |
| 1151 | } |
| 1152 | |
| 1153 | libqos_init(register_virtio_9p_test); |