| File: | build-scan/../src/journal/journal-file.c |
| Warning: | line 2320, column 49 Although the value stored to 'n' is used in the enclosing expression, the value is never actually read from 'n' |
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| 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
| 2 | |
| 3 | #include <errno(*__errno_location ()).h> |
| 4 | #include <fcntl.h> |
| 5 | #include <linux1/fs.h> |
| 6 | #include <pthread.h> |
| 7 | #include <stddef.h> |
| 8 | #include <sys/mman.h> |
| 9 | #include <sys/statvfs.h> |
| 10 | #include <sys/uio.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | #include "alloc-util.h" |
| 14 | #include "btrfs-util.h" |
| 15 | #include "chattr-util.h" |
| 16 | #include "compress.h" |
| 17 | #include "fd-util.h" |
| 18 | #include "fs-util.h" |
| 19 | #include "journal-authenticate.h" |
| 20 | #include "journal-def.h" |
| 21 | #include "journal-file.h" |
| 22 | #include "lookup3.h" |
| 23 | #include "parse-util.h" |
| 24 | #include "path-util.h" |
| 25 | #include "random-util.h" |
| 26 | #include "sd-event.h" |
| 27 | #include "set.h" |
| 28 | #include "stat-util.h" |
| 29 | #include "string-util.h" |
| 30 | #include "strv.h" |
| 31 | #include "xattr-util.h" |
| 32 | |
| 33 | #define DEFAULT_DATA_HASH_TABLE_SIZE(2047ULL*sizeof(HashItem)) (2047ULL*sizeof(HashItem)) |
| 34 | #define DEFAULT_FIELD_HASH_TABLE_SIZE(333ULL*sizeof(HashItem)) (333ULL*sizeof(HashItem)) |
| 35 | |
| 36 | #define DEFAULT_COMPRESS_THRESHOLD(512ULL) (512ULL) |
| 37 | #define MIN_COMPRESS_THRESHOLD(8ULL) (8ULL) |
| 38 | |
| 39 | /* This is the minimum journal file size */ |
| 40 | #define JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL) (512ULL*1024ULL) /* 512 KiB */ |
| 41 | |
| 42 | /* These are the lower and upper bounds if we deduce the max_use value |
| 43 | * from the file system size */ |
| 44 | #define DEFAULT_MAX_USE_LOWER(1ULL*1024ULL*1024ULL) (1ULL*1024ULL*1024ULL) /* 1 MiB */ |
| 45 | #define DEFAULT_MAX_USE_UPPER(4ULL*1024ULL*1024ULL*1024ULL) (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */ |
| 46 | |
| 47 | /* This is the default minimal use limit, how much we'll use even if keep_free suggests otherwise. */ |
| 48 | #define DEFAULT_MIN_USE(1ULL*1024ULL*1024ULL) (1ULL*1024ULL*1024ULL) /* 1 MiB */ |
| 49 | |
| 50 | /* This is the upper bound if we deduce max_size from max_use */ |
| 51 | #define DEFAULT_MAX_SIZE_UPPER(128ULL*1024ULL*1024ULL) (128ULL*1024ULL*1024ULL) /* 128 MiB */ |
| 52 | |
| 53 | /* This is the upper bound if we deduce the keep_free value from the |
| 54 | * file system size */ |
| 55 | #define DEFAULT_KEEP_FREE_UPPER(4ULL*1024ULL*1024ULL*1024ULL) (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */ |
| 56 | |
| 57 | /* This is the keep_free value when we can't determine the system |
| 58 | * size */ |
| 59 | #define DEFAULT_KEEP_FREE(1024ULL*1024ULL) (1024ULL*1024ULL) /* 1 MB */ |
| 60 | |
| 61 | /* This is the default maximum number of journal files to keep around. */ |
| 62 | #define DEFAULT_N_MAX_FILES(100) (100) |
| 63 | |
| 64 | /* n_data was the first entry we added after the initial file format design */ |
| 65 | #define HEADER_SIZE_MIN(((__builtin_offsetof(Header, n_data)) + 7ULL) & ~7ULL) ALIGN64(offsetof(Header, n_data))(((__builtin_offsetof(Header, n_data)) + 7ULL) & ~7ULL) |
| 66 | |
| 67 | /* How many entries to keep in the entry array chain cache at max */ |
| 68 | #define CHAIN_CACHE_MAX20 20 |
| 69 | |
| 70 | /* How much to increase the journal file size at once each time we allocate something new. */ |
| 71 | #define FILE_SIZE_INCREASE(8ULL*1024ULL*1024ULL) (8ULL*1024ULL*1024ULL) /* 8MB */ |
| 72 | |
| 73 | /* Reread fstat() of the file for detecting deletions at least this often */ |
| 74 | #define LAST_STAT_REFRESH_USEC(5*((usec_t) 1000000ULL)) (5*USEC_PER_SEC((usec_t) 1000000ULL)) |
| 75 | |
| 76 | /* The mmap context to use for the header we pick as one above the last defined typed */ |
| 77 | #define CONTEXT_HEADER_OBJECT_TYPE_MAX _OBJECT_TYPE_MAX |
| 78 | |
| 79 | #ifdef __clang__1 |
| 80 | # pragma GCC diagnostic ignored "-Waddress-of-packed-member" |
| 81 | #endif |
| 82 | |
| 83 | /* This may be called from a separate thread to prevent blocking the caller for the duration of fsync(). |
| 84 | * As a result we use atomic operations on f->offline_state for inter-thread communications with |
| 85 | * journal_file_set_offline() and journal_file_set_online(). */ |
| 86 | static void journal_file_set_offline_internal(JournalFile *f) { |
| 87 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 87 , __PRETTY_FUNCTION__); } while (0); |
| 88 | assert(f->fd >= 0)do { if ((__builtin_expect(!!(!(f->fd >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->fd >= 0"), "../src/journal/journal-file.c" , 88, __PRETTY_FUNCTION__); } while (0); |
| 89 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 89, __PRETTY_FUNCTION__); } while (0); |
| 90 | |
| 91 | for (;;) { |
| 92 | switch (f->offline_state) { |
| 93 | case OFFLINE_CANCEL: |
| 94 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_CANCEL, OFFLINE_DONE)) |
| 95 | continue; |
| 96 | return; |
| 97 | |
| 98 | case OFFLINE_AGAIN_FROM_SYNCING: |
| 99 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_AGAIN_FROM_SYNCING, OFFLINE_SYNCING)) |
| 100 | continue; |
| 101 | break; |
| 102 | |
| 103 | case OFFLINE_AGAIN_FROM_OFFLINING: |
| 104 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_AGAIN_FROM_OFFLINING, OFFLINE_SYNCING)) |
| 105 | continue; |
| 106 | break; |
| 107 | |
| 108 | case OFFLINE_SYNCING: |
| 109 | (void) fsync(f->fd); |
| 110 | |
| 111 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_SYNCING, OFFLINE_OFFLINING)) |
| 112 | continue; |
| 113 | |
| 114 | f->header->state = f->archive ? STATE_ARCHIVED : STATE_OFFLINE; |
| 115 | (void) fsync(f->fd); |
| 116 | break; |
| 117 | |
| 118 | case OFFLINE_OFFLINING: |
| 119 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_OFFLINING, OFFLINE_DONE)) |
| 120 | continue; |
| 121 | _fallthrough_; |
| 122 | case OFFLINE_DONE: |
| 123 | return; |
| 124 | |
| 125 | case OFFLINE_JOINED: |
| 126 | log_debug("OFFLINE_JOINED unexpected offline state for journal_file_set_offline_internal()")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 126, __func__, "OFFLINE_JOINED unexpected offline state for journal_file_set_offline_internal()" ) : -abs(_e); }); |
| 127 | return; |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | static void * journal_file_set_offline_thread(void *arg) { |
| 133 | JournalFile *f = arg; |
| 134 | |
| 135 | (void) pthread_setname_np(pthread_self(), "journal-offline"); |
| 136 | |
| 137 | journal_file_set_offline_internal(f); |
| 138 | |
| 139 | return NULL((void*)0); |
| 140 | } |
| 141 | |
| 142 | static int journal_file_set_offline_thread_join(JournalFile *f) { |
| 143 | int r; |
| 144 | |
| 145 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 145 , __PRETTY_FUNCTION__); } while (0); |
| 146 | |
| 147 | if (f->offline_state == OFFLINE_JOINED) |
| 148 | return 0; |
| 149 | |
| 150 | r = pthread_join(f->offline_thread, NULL((void*)0)); |
| 151 | if (r) |
| 152 | return -r; |
| 153 | |
| 154 | f->offline_state = OFFLINE_JOINED; |
| 155 | |
| 156 | if (mmap_cache_got_sigbus(f->mmap, f->cache_fd)) |
| 157 | return -EIO5; |
| 158 | |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | /* Trigger a restart if the offline thread is mid-flight in a restartable state. */ |
| 163 | static bool_Bool journal_file_set_offline_try_restart(JournalFile *f) { |
| 164 | for (;;) { |
| 165 | switch (f->offline_state) { |
| 166 | case OFFLINE_AGAIN_FROM_SYNCING: |
| 167 | case OFFLINE_AGAIN_FROM_OFFLINING: |
| 168 | return true1; |
| 169 | |
| 170 | case OFFLINE_CANCEL: |
| 171 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_CANCEL, OFFLINE_AGAIN_FROM_SYNCING)) |
| 172 | continue; |
| 173 | return true1; |
| 174 | |
| 175 | case OFFLINE_SYNCING: |
| 176 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_SYNCING, OFFLINE_AGAIN_FROM_SYNCING)) |
| 177 | continue; |
| 178 | return true1; |
| 179 | |
| 180 | case OFFLINE_OFFLINING: |
| 181 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_OFFLINING, OFFLINE_AGAIN_FROM_OFFLINING)) |
| 182 | continue; |
| 183 | return true1; |
| 184 | |
| 185 | default: |
| 186 | return false0; |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /* Sets a journal offline. |
| 192 | * |
| 193 | * If wait is false then an offline is dispatched in a separate thread for a |
| 194 | * subsequent journal_file_set_offline() or journal_file_set_online() of the |
| 195 | * same journal to synchronize with. |
| 196 | * |
| 197 | * If wait is true, then either an existing offline thread will be restarted |
| 198 | * and joined, or if none exists the offline is simply performed in this |
| 199 | * context without involving another thread. |
| 200 | */ |
| 201 | int journal_file_set_offline(JournalFile *f, bool_Bool wait) { |
| 202 | bool_Bool restarted; |
| 203 | int r; |
| 204 | |
| 205 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 205 , __PRETTY_FUNCTION__); } while (0); |
| 206 | |
| 207 | if (!f->writable) |
| 208 | return -EPERM1; |
| 209 | |
| 210 | if (f->fd < 0 || !f->header) |
| 211 | return -EINVAL22; |
| 212 | |
| 213 | /* An offlining journal is implicitly online and may modify f->header->state, |
| 214 | * we must also join any potentially lingering offline thread when not online. */ |
| 215 | if (!journal_file_is_offlining(f) && f->header->state != STATE_ONLINE) |
| 216 | return journal_file_set_offline_thread_join(f); |
| 217 | |
| 218 | /* Restart an in-flight offline thread and wait if needed, or join a lingering done one. */ |
| 219 | restarted = journal_file_set_offline_try_restart(f); |
| 220 | if ((restarted && wait) || !restarted) { |
| 221 | r = journal_file_set_offline_thread_join(f); |
| 222 | if (r < 0) |
| 223 | return r; |
| 224 | } |
| 225 | |
| 226 | if (restarted) |
| 227 | return 0; |
| 228 | |
| 229 | /* Initiate a new offline. */ |
| 230 | f->offline_state = OFFLINE_SYNCING; |
| 231 | |
| 232 | if (wait) /* Without using a thread if waiting. */ |
| 233 | journal_file_set_offline_internal(f); |
| 234 | else { |
| 235 | sigset_t ss, saved_ss; |
| 236 | int k; |
| 237 | |
| 238 | if (sigfillset(&ss) < 0) |
| 239 | return -errno(*__errno_location ()); |
| 240 | |
| 241 | r = pthread_sigmask(SIG_BLOCK0, &ss, &saved_ss); |
| 242 | if (r > 0) |
| 243 | return -r; |
| 244 | |
| 245 | r = pthread_create(&f->offline_thread, NULL((void*)0), journal_file_set_offline_thread, f); |
| 246 | |
| 247 | k = pthread_sigmask(SIG_SETMASK2, &saved_ss, NULL((void*)0)); |
| 248 | if (r > 0) { |
| 249 | f->offline_state = OFFLINE_JOINED; |
| 250 | return -r; |
| 251 | } |
| 252 | if (k > 0) |
| 253 | return -k; |
| 254 | } |
| 255 | |
| 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | static int journal_file_set_online(JournalFile *f) { |
| 260 | bool_Bool wait = true1; |
| 261 | |
| 262 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 262 , __PRETTY_FUNCTION__); } while (0); |
| 263 | |
| 264 | if (!f->writable) |
| 265 | return -EPERM1; |
| 266 | |
| 267 | if (f->fd < 0 || !f->header) |
| 268 | return -EINVAL22; |
| 269 | |
| 270 | while (wait) { |
| 271 | switch (f->offline_state) { |
| 272 | case OFFLINE_JOINED: |
| 273 | /* No offline thread, no need to wait. */ |
| 274 | wait = false0; |
| 275 | break; |
| 276 | |
| 277 | case OFFLINE_SYNCING: |
| 278 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_SYNCING, OFFLINE_CANCEL)) |
| 279 | continue; |
| 280 | /* Canceled syncing prior to offlining, no need to wait. */ |
| 281 | wait = false0; |
| 282 | break; |
| 283 | |
| 284 | case OFFLINE_AGAIN_FROM_SYNCING: |
| 285 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_AGAIN_FROM_SYNCING, OFFLINE_CANCEL)) |
| 286 | continue; |
| 287 | /* Canceled restart from syncing, no need to wait. */ |
| 288 | wait = false0; |
| 289 | break; |
| 290 | |
| 291 | case OFFLINE_AGAIN_FROM_OFFLINING: |
| 292 | if (!__sync_bool_compare_and_swap(&f->offline_state, OFFLINE_AGAIN_FROM_OFFLINING, OFFLINE_CANCEL)) |
| 293 | continue; |
| 294 | /* Canceled restart from offlining, must wait for offlining to complete however. */ |
| 295 | _fallthrough_; |
| 296 | default: { |
| 297 | int r; |
| 298 | |
| 299 | r = journal_file_set_offline_thread_join(f); |
| 300 | if (r < 0) |
| 301 | return r; |
| 302 | |
| 303 | wait = false0; |
| 304 | break; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | if (mmap_cache_got_sigbus(f->mmap, f->cache_fd)) |
| 310 | return -EIO5; |
| 311 | |
| 312 | switch (f->header->state) { |
| 313 | case STATE_ONLINE: |
| 314 | return 0; |
| 315 | |
| 316 | case STATE_OFFLINE: |
| 317 | f->header->state = STATE_ONLINE; |
| 318 | (void) fsync(f->fd); |
| 319 | return 0; |
| 320 | |
| 321 | default: |
| 322 | return -EINVAL22; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | bool_Bool journal_file_is_offlining(JournalFile *f) { |
| 327 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 327 , __PRETTY_FUNCTION__); } while (0); |
| 328 | |
| 329 | __sync_synchronize(); |
| 330 | |
| 331 | if (IN_SET(f->offline_state, OFFLINE_DONE, OFFLINE_JOINED)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){OFFLINE_DONE, OFFLINE_JOINED})/sizeof(int )]; switch(f->offline_state) { case OFFLINE_DONE: case OFFLINE_JOINED : _found = 1; break; default: break; } _found; })) |
| 332 | return false0; |
| 333 | |
| 334 | return true1; |
| 335 | } |
| 336 | |
| 337 | JournalFile* journal_file_close(JournalFile *f) { |
| 338 | if (!f) |
| 339 | return NULL((void*)0); |
| 340 | |
| 341 | #if HAVE_GCRYPT1 |
| 342 | /* Write the final tag */ |
| 343 | if (f->seal && f->writable) { |
| 344 | int r; |
| 345 | |
| 346 | r = journal_file_append_tag(f); |
| 347 | if (r < 0) |
| 348 | log_error_errno(r, "Failed to append tag when closing journal: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 348, __func__, "Failed to append tag when closing journal: %m" ) : -abs(_e); }); |
| 349 | } |
| 350 | #endif |
| 351 | |
| 352 | if (f->post_change_timer) { |
| 353 | int enabled; |
| 354 | |
| 355 | if (sd_event_source_get_enabled(f->post_change_timer, &enabled) >= 0) |
| 356 | if (enabled == SD_EVENT_ONESHOT) |
| 357 | journal_file_post_change(f); |
| 358 | |
| 359 | (void) sd_event_source_set_enabled(f->post_change_timer, SD_EVENT_OFF); |
| 360 | sd_event_source_unref(f->post_change_timer); |
| 361 | } |
| 362 | |
| 363 | journal_file_set_offline(f, true1); |
| 364 | |
| 365 | if (f->mmap && f->cache_fd) |
| 366 | mmap_cache_free_fd(f->mmap, f->cache_fd); |
| 367 | |
| 368 | if (f->fd >= 0 && f->defrag_on_close) { |
| 369 | |
| 370 | /* Be friendly to btrfs: turn COW back on again now, |
| 371 | * and defragment the file. We won't write to the file |
| 372 | * ever again, hence remove all fragmentation, and |
| 373 | * reenable all the good bits COW usually provides |
| 374 | * (such as data checksumming). */ |
| 375 | |
| 376 | (void) chattr_fd(f->fd, 0, FS_NOCOW_FL0x00800000); |
| 377 | (void) btrfs_defrag_fd(f->fd); |
| 378 | } |
| 379 | |
| 380 | if (f->close_fd) |
| 381 | safe_close(f->fd); |
| 382 | free(f->path); |
| 383 | |
| 384 | mmap_cache_unref(f->mmap); |
| 385 | |
| 386 | ordered_hashmap_free_free(f->chain_cache); |
| 387 | |
| 388 | #if HAVE_XZ1 || HAVE_LZ41 |
| 389 | free(f->compress_buffer); |
| 390 | #endif |
| 391 | |
| 392 | #if HAVE_GCRYPT1 |
| 393 | if (f->fss_file) |
| 394 | munmap(f->fss_file, PAGE_ALIGN(f->fss_file_size)ALIGN_TO((f->fss_file_size), page_size())); |
| 395 | else |
| 396 | free(f->fsprg_state); |
| 397 | |
| 398 | free(f->fsprg_seed); |
| 399 | |
| 400 | if (f->hmac) |
| 401 | gcry_md_close(f->hmac); |
| 402 | #endif |
| 403 | |
| 404 | return mfree(f); |
| 405 | } |
| 406 | |
| 407 | static int journal_file_init_header(JournalFile *f, JournalFile *template) { |
| 408 | Header h = {}; |
| 409 | ssize_t k; |
| 410 | int r; |
| 411 | |
| 412 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 412 , __PRETTY_FUNCTION__); } while (0); |
| 413 | |
| 414 | memcpy(h.signature, HEADER_SIGNATURE((char[]) { 'L', 'P', 'K', 'S', 'H', 'H', 'R', 'H' }), 8); |
| 415 | h.header_size = htole64(ALIGN64(sizeof(h))(((sizeof(h)) + 7ULL) & ~7ULL)); |
| 416 | |
| 417 | h.incompatible_flags |= htole32( |
| 418 | f->compress_xz * HEADER_INCOMPATIBLE_COMPRESSED_XZ | |
| 419 | f->compress_lz4 * HEADER_INCOMPATIBLE_COMPRESSED_LZ4); |
| 420 | |
| 421 | h.compatible_flags = htole32( |
| 422 | f->seal * HEADER_COMPATIBLE_SEALED); |
| 423 | |
| 424 | r = sd_id128_randomize(&h.file_id); |
| 425 | if (r < 0) |
| 426 | return r; |
| 427 | |
| 428 | if (template) { |
| 429 | h.seqnum_id = template->header->seqnum_id; |
| 430 | h.tail_entry_seqnum = template->header->tail_entry_seqnum; |
| 431 | } else |
| 432 | h.seqnum_id = h.file_id; |
| 433 | |
| 434 | k = pwrite(f->fd, &h, sizeof(h), 0); |
| 435 | if (k < 0) |
| 436 | return -errno(*__errno_location ()); |
| 437 | |
| 438 | if (k != sizeof(h)) |
| 439 | return -EIO5; |
| 440 | |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | static int journal_file_refresh_header(JournalFile *f) { |
| 445 | sd_id128_t boot_id; |
| 446 | int r; |
| 447 | |
| 448 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 448 , __PRETTY_FUNCTION__); } while (0); |
| 449 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 449, __PRETTY_FUNCTION__); } while (0); |
| 450 | |
| 451 | r = sd_id128_get_machine(&f->header->machine_id); |
| 452 | if (IN_SET(r, -ENOENT, -ENOMEDIUM)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-2, -123})/sizeof(int)]; switch(r) { case -2: case -123: _found = 1; break; default: break; } _found; } )) |
| 453 | /* We don't have a machine-id, let's continue without */ |
| 454 | zero(f->header->machine_id)(({ size_t _l_ = (sizeof(f->header->machine_id)); void * _x_ = (&(f->header->machine_id)); _l_ == 0 ? _x_ : memset (_x_, 0, _l_); })); |
| 455 | else if (r < 0) |
| 456 | return r; |
| 457 | |
| 458 | r = sd_id128_get_boot(&boot_id); |
| 459 | if (r < 0) |
| 460 | return r; |
| 461 | |
| 462 | f->header->boot_id = boot_id; |
| 463 | |
| 464 | r = journal_file_set_online(f); |
| 465 | |
| 466 | /* Sync the online state to disk */ |
| 467 | (void) fsync(f->fd); |
| 468 | |
| 469 | /* We likely just created a new file, also sync the directory this file is located in. */ |
| 470 | (void) fsync_directory_of_file(f->fd); |
| 471 | |
| 472 | return r; |
| 473 | } |
| 474 | |
| 475 | static bool_Bool warn_wrong_flags(const JournalFile *f, bool_Bool compatible) { |
| 476 | const uint32_t any = compatible ? HEADER_COMPATIBLE_ANYHEADER_COMPATIBLE_SEALED : HEADER_INCOMPATIBLE_ANY(HEADER_INCOMPATIBLE_COMPRESSED_XZ|HEADER_INCOMPATIBLE_COMPRESSED_LZ4 ), |
| 477 | supported = compatible ? HEADER_COMPATIBLE_SUPPORTEDHEADER_COMPATIBLE_SEALED : HEADER_INCOMPATIBLE_SUPPORTED(HEADER_INCOMPATIBLE_COMPRESSED_XZ|HEADER_INCOMPATIBLE_COMPRESSED_LZ4 ); |
| 478 | const char *type = compatible ? "compatible" : "incompatible"; |
| 479 | uint32_t flags; |
| 480 | |
| 481 | flags = le32toh(compatible ? f->header->compatible_flags : f->header->incompatible_flags); |
| 482 | |
| 483 | if (flags & ~supported) { |
| 484 | if (flags & ~any) |
| 485 | log_debug("Journal file %s has unknown %s flags 0x%"PRIx32,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 486, __func__, "Journal file %s has unknown %s flags 0x%" "x", f->path, type, flags & ~any) : -abs(_e); }) |
| 486 | f->path, type, flags & ~any)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 486, __func__, "Journal file %s has unknown %s flags 0x%" "x", f->path, type, flags & ~any) : -abs(_e); }); |
| 487 | flags = (flags & any) & ~supported; |
| 488 | if (flags) { |
| 489 | const char* strv[3]; |
| 490 | unsigned n = 0; |
| 491 | _cleanup_free___attribute__((cleanup(freep))) char *t = NULL((void*)0); |
| 492 | |
| 493 | if (compatible && (flags & HEADER_COMPATIBLE_SEALED)) |
| 494 | strv[n++] = "sealed"; |
| 495 | if (!compatible && (flags & HEADER_INCOMPATIBLE_COMPRESSED_XZ)) |
| 496 | strv[n++] = "xz-compressed"; |
| 497 | if (!compatible && (flags & HEADER_INCOMPATIBLE_COMPRESSED_LZ4)) |
| 498 | strv[n++] = "lz4-compressed"; |
| 499 | strv[n] = NULL((void*)0); |
| 500 | assert(n < ELEMENTSOF(strv))do { if ((__builtin_expect(!!(!(n < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(strv), typeof(&*(strv ))), sizeof(strv)/sizeof((strv)[0]), ((void)0))))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n < ELEMENTSOF(strv)"), "../src/journal/journal-file.c" , 500, __PRETTY_FUNCTION__); } while (0); |
| 501 | |
| 502 | t = strv_join((char**) strv, ", "); |
| 503 | log_debug("Journal file %s uses %s %s %s disabled at compilation time.",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 504, __func__, "Journal file %s uses %s %s %s disabled at compilation time." , f->path, type, n > 1 ? "flags" : "flag", strnull(t)) : -abs(_e); }) |
| 504 | f->path, type, n > 1 ? "flags" : "flag", strnull(t))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 504, __func__, "Journal file %s uses %s %s %s disabled at compilation time." , f->path, type, n > 1 ? "flags" : "flag", strnull(t)) : -abs(_e); }); |
| 505 | } |
| 506 | return true1; |
| 507 | } |
| 508 | |
| 509 | return false0; |
| 510 | } |
| 511 | |
| 512 | static int journal_file_verify_header(JournalFile *f) { |
| 513 | uint64_t arena_size, header_size; |
| 514 | |
| 515 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 515 , __PRETTY_FUNCTION__); } while (0); |
| 516 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 516, __PRETTY_FUNCTION__); } while (0); |
| 517 | |
| 518 | if (memcmp(f->header->signature, HEADER_SIGNATURE((char[]) { 'L', 'P', 'K', 'S', 'H', 'H', 'R', 'H' }), 8)) |
| 519 | return -EBADMSG74; |
| 520 | |
| 521 | /* In both read and write mode we refuse to open files with incompatible |
| 522 | * flags we don't know. */ |
| 523 | if (warn_wrong_flags(f, false0)) |
| 524 | return -EPROTONOSUPPORT93; |
| 525 | |
| 526 | /* When open for writing we refuse to open files with compatible flags, too. */ |
| 527 | if (f->writable && warn_wrong_flags(f, true1)) |
| 528 | return -EPROTONOSUPPORT93; |
| 529 | |
| 530 | if (f->header->state >= _STATE_MAX) |
| 531 | return -EBADMSG74; |
| 532 | |
| 533 | header_size = le64toh(f->header->header_size); |
| 534 | |
| 535 | /* The first addition was n_data, so check that we are at least this large */ |
| 536 | if (header_size < HEADER_SIZE_MIN(((__builtin_offsetof(Header, n_data)) + 7ULL) & ~7ULL)) |
| 537 | return -EBADMSG74; |
| 538 | |
| 539 | if (JOURNAL_HEADER_SEALED(f->header)(!!(le32toh((f->header)->compatible_flags) & HEADER_COMPATIBLE_SEALED )) && !JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_entry_arrays) + sizeof((f->header)->n_entry_arrays ))) |
| 540 | return -EBADMSG74; |
| 541 | |
| 542 | arena_size = le64toh(f->header->arena_size); |
| 543 | |
| 544 | if (UINT64_MAX(18446744073709551615UL) - header_size < arena_size || header_size + arena_size > (uint64_t) f->last_stat.st_size) |
| 545 | return -ENODATA61; |
| 546 | |
| 547 | if (le64toh(f->header->tail_object_offset) > header_size + arena_size) |
| 548 | return -ENODATA61; |
| 549 | |
| 550 | if (!VALID64(le64toh(f->header->data_hash_table_offset))(((le64toh(f->header->data_hash_table_offset)) & 7ULL ) == 0ULL) || |
| 551 | !VALID64(le64toh(f->header->field_hash_table_offset))(((le64toh(f->header->field_hash_table_offset)) & 7ULL ) == 0ULL) || |
| 552 | !VALID64(le64toh(f->header->tail_object_offset))(((le64toh(f->header->tail_object_offset)) & 7ULL) == 0ULL) || |
| 553 | !VALID64(le64toh(f->header->entry_array_offset))(((le64toh(f->header->entry_array_offset)) & 7ULL) == 0ULL)) |
| 554 | return -ENODATA61; |
| 555 | |
| 556 | if (f->writable) { |
| 557 | sd_id128_t machine_id; |
| 558 | uint8_t state; |
| 559 | int r; |
| 560 | |
| 561 | r = sd_id128_get_machine(&machine_id); |
| 562 | if (r < 0) |
| 563 | return r; |
| 564 | |
| 565 | if (!sd_id128_equal(machine_id, f->header->machine_id)) |
| 566 | return -EHOSTDOWN112; |
| 567 | |
| 568 | state = f->header->state; |
| 569 | |
| 570 | if (state == STATE_ARCHIVED) |
| 571 | return -ESHUTDOWN108; /* Already archived */ |
| 572 | else if (state == STATE_ONLINE) { |
| 573 | log_debug("Journal file %s is already online. Assuming unclean closing.", f->path)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 573, __func__, "Journal file %s is already online. Assuming unclean closing." , f->path) : -abs(_e); }); |
| 574 | return -EBUSY16; |
| 575 | } else if (state != STATE_OFFLINE) { |
| 576 | log_debug("Journal file %s has unknown state %i.", f->path, state)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 576, __func__, "Journal file %s has unknown state %i." , f->path, state) : -abs(_e); }); |
| 577 | return -EBUSY16; |
| 578 | } |
| 579 | |
| 580 | if (f->header->field_hash_table_size == 0 || f->header->data_hash_table_size == 0) |
| 581 | return -EBADMSG74; |
| 582 | |
| 583 | /* Don't permit appending to files from the future. Because otherwise the realtime timestamps wouldn't |
| 584 | * be strictly ordered in the entries in the file anymore, and we can't have that since it breaks |
| 585 | * bisection. */ |
| 586 | if (le64toh(f->header->tail_entry_realtime) > now(CLOCK_REALTIME0)) { |
| 587 | log_debug("Journal file %s is from the future, refusing to append new data to it that'd be older.", f->path)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 587, __func__, "Journal file %s is from the future, refusing to append new data to it that'd be older." , f->path) : -abs(_e); }); |
| 588 | return -ETXTBSY26; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | f->compress_xz = JOURNAL_HEADER_COMPRESSED_XZ(f->header)(!!(le32toh((f->header)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED_XZ )); |
| 593 | f->compress_lz4 = JOURNAL_HEADER_COMPRESSED_LZ4(f->header)(!!(le32toh((f->header)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED_LZ4 )); |
| 594 | |
| 595 | f->seal = JOURNAL_HEADER_SEALED(f->header)(!!(le32toh((f->header)->compatible_flags) & HEADER_COMPATIBLE_SEALED )); |
| 596 | |
| 597 | return 0; |
| 598 | } |
| 599 | |
| 600 | int journal_file_fstat(JournalFile *f) { |
| 601 | int r; |
| 602 | |
| 603 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 603 , __PRETTY_FUNCTION__); } while (0); |
| 604 | assert(f->fd >= 0)do { if ((__builtin_expect(!!(!(f->fd >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->fd >= 0"), "../src/journal/journal-file.c" , 604, __PRETTY_FUNCTION__); } while (0); |
| 605 | |
| 606 | if (fstat(f->fd, &f->last_stat) < 0) |
| 607 | return -errno(*__errno_location ()); |
| 608 | |
| 609 | f->last_stat_usec = now(CLOCK_MONOTONIC1); |
| 610 | |
| 611 | /* Refuse dealing with with files that aren't regular */ |
| 612 | r = stat_verify_regular(&f->last_stat); |
| 613 | if (r < 0) |
| 614 | return r; |
| 615 | |
| 616 | /* Refuse appending to files that are already deleted */ |
| 617 | if (f->last_stat.st_nlink <= 0) |
| 618 | return -EIDRM43; |
| 619 | |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static int journal_file_allocate(JournalFile *f, uint64_t offset, uint64_t size) { |
| 624 | uint64_t old_size, new_size; |
| 625 | int r; |
| 626 | |
| 627 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 627 , __PRETTY_FUNCTION__); } while (0); |
| 628 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 628, __PRETTY_FUNCTION__); } while (0); |
| 629 | |
| 630 | /* We assume that this file is not sparse, and we know that |
| 631 | * for sure, since we always call posix_fallocate() |
| 632 | * ourselves */ |
| 633 | |
| 634 | if (mmap_cache_got_sigbus(f->mmap, f->cache_fd)) |
| 635 | return -EIO5; |
| 636 | |
| 637 | old_size = |
| 638 | le64toh(f->header->header_size) + |
| 639 | le64toh(f->header->arena_size); |
| 640 | |
| 641 | new_size = PAGE_ALIGN(offset + size)ALIGN_TO((offset + size), page_size()); |
| 642 | if (new_size < le64toh(f->header->header_size)) |
| 643 | new_size = le64toh(f->header->header_size); |
| 644 | |
| 645 | if (new_size <= old_size) { |
| 646 | |
| 647 | /* We already pre-allocated enough space, but before |
| 648 | * we write to it, let's check with fstat() if the |
| 649 | * file got deleted, in order make sure we don't throw |
| 650 | * away the data immediately. Don't check fstat() for |
| 651 | * all writes though, but only once ever 10s. */ |
| 652 | |
| 653 | if (f->last_stat_usec + LAST_STAT_REFRESH_USEC(5*((usec_t) 1000000ULL)) > now(CLOCK_MONOTONIC1)) |
| 654 | return 0; |
| 655 | |
| 656 | return journal_file_fstat(f); |
| 657 | } |
| 658 | |
| 659 | /* Allocate more space. */ |
| 660 | |
| 661 | if (f->metrics.max_size > 0 && new_size > f->metrics.max_size) |
| 662 | return -E2BIG7; |
| 663 | |
| 664 | if (new_size > f->metrics.min_size && f->metrics.keep_free > 0) { |
| 665 | struct statvfs svfs; |
| 666 | |
| 667 | if (fstatvfs(f->fd, &svfs) >= 0) { |
| 668 | uint64_t available; |
| 669 | |
| 670 | available = LESS_BY((uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize, f->metrics.keep_free)__extension__ ({ const typeof(((uint64_t) svfs.f_bfree * (uint64_t ) svfs.f_bsize)) __unique_prefix_A22 = (((uint64_t) svfs.f_bfree * (uint64_t) svfs.f_bsize)); const typeof((f->metrics.keep_free )) __unique_prefix_B23 = ((f->metrics.keep_free)); __unique_prefix_A22 > __unique_prefix_B23 ? __unique_prefix_A22 - __unique_prefix_B23 : 0; }); |
| 671 | |
| 672 | if (new_size - old_size > available) |
| 673 | return -E2BIG7; |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | /* Increase by larger blocks at once */ |
| 678 | new_size = DIV_ROUND_UP(new_size, FILE_SIZE_INCREASE)({ const typeof((new_size)) __unique_prefix_X24 = ((new_size) ); const typeof(((8ULL*1024ULL*1024ULL))) __unique_prefix_Y25 = (((8ULL*1024ULL*1024ULL))); (__unique_prefix_X24 / __unique_prefix_Y25 + !!(__unique_prefix_X24 % __unique_prefix_Y25)); }) * FILE_SIZE_INCREASE(8ULL*1024ULL*1024ULL); |
| 679 | if (f->metrics.max_size > 0 && new_size > f->metrics.max_size) |
| 680 | new_size = f->metrics.max_size; |
| 681 | |
| 682 | /* Note that the glibc fallocate() fallback is very |
| 683 | inefficient, hence we try to minimize the allocation area |
| 684 | as we can. */ |
| 685 | r = posix_fallocate(f->fd, old_size, new_size - old_size); |
| 686 | if (r != 0) |
| 687 | return -r; |
| 688 | |
| 689 | f->header->arena_size = htole64(new_size - le64toh(f->header->header_size)); |
| 690 | |
| 691 | return journal_file_fstat(f); |
| 692 | } |
| 693 | |
| 694 | static unsigned type_to_context(ObjectType type) { |
| 695 | /* One context for each type, plus one catch-all for the rest */ |
| 696 | assert_cc(_OBJECT_TYPE_MAX <= MMAP_CACHE_MAX_CONTEXTS)GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_26 { char x[(_OBJECT_TYPE_MAX <= 9 ) ? 0 : -1]; }; GCC diagnostic pop ; |
| 697 | assert_cc(CONTEXT_HEADER < MMAP_CACHE_MAX_CONTEXTS)GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_27 { char x[(_OBJECT_TYPE_MAX < 9 ) ? 0 : -1]; }; GCC diagnostic pop ; |
| 698 | return type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX ? type : 0; |
| 699 | } |
| 700 | |
| 701 | static int journal_file_move_to(JournalFile *f, ObjectType type, bool_Bool keep_always, uint64_t offset, uint64_t size, void **ret, size_t *ret_size) { |
| 702 | int r; |
| 703 | |
| 704 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 704 , __PRETTY_FUNCTION__); } while (0); |
| 705 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/journal/journal-file.c", 705, __PRETTY_FUNCTION__); } while (0); |
| 706 | |
| 707 | if (size <= 0) |
| 708 | return -EINVAL22; |
| 709 | |
| 710 | /* Avoid SIGBUS on invalid accesses */ |
| 711 | if (offset + size > (uint64_t) f->last_stat.st_size) { |
| 712 | /* Hmm, out of range? Let's refresh the fstat() data |
| 713 | * first, before we trust that check. */ |
| 714 | |
| 715 | r = journal_file_fstat(f); |
| 716 | if (r < 0) |
| 717 | return r; |
| 718 | |
| 719 | if (offset + size > (uint64_t) f->last_stat.st_size) |
| 720 | return -EADDRNOTAVAIL99; |
| 721 | } |
| 722 | |
| 723 | return mmap_cache_get(f->mmap, f->cache_fd, f->prot, type_to_context(type), keep_always, offset, size, &f->last_stat, ret, ret_size); |
| 724 | } |
| 725 | |
| 726 | static uint64_t minimum_header_size(Object *o) { |
| 727 | |
| 728 | static const uint64_t table[] = { |
| 729 | [OBJECT_DATA] = sizeof(DataObject), |
| 730 | [OBJECT_FIELD] = sizeof(FieldObject), |
| 731 | [OBJECT_ENTRY] = sizeof(EntryObject), |
| 732 | [OBJECT_DATA_HASH_TABLE] = sizeof(HashTableObject), |
| 733 | [OBJECT_FIELD_HASH_TABLE] = sizeof(HashTableObject), |
| 734 | [OBJECT_ENTRY_ARRAY] = sizeof(EntryArrayObject), |
| 735 | [OBJECT_TAG] = sizeof(TagObject), |
| 736 | }; |
| 737 | |
| 738 | if (o->object.type >= ELEMENTSOF(table)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(table), typeof(&*(table))), sizeof(table)/sizeof( (table)[0]), ((void)0))) || table[o->object.type] <= 0) |
| 739 | return sizeof(ObjectHeader); |
| 740 | |
| 741 | return table[o->object.type]; |
| 742 | } |
| 743 | |
| 744 | /* Lightweight object checks. We want this to be fast, so that we won't |
| 745 | * slowdown every journal_file_move_to_object() call too much. */ |
| 746 | static int journal_file_check_object(JournalFile *f, uint64_t offset, Object *o) { |
| 747 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 747 , __PRETTY_FUNCTION__); } while (0); |
| 748 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 748 , __PRETTY_FUNCTION__); } while (0); |
| 749 | |
| 750 | switch (o->object.type) { |
| 751 | |
| 752 | case OBJECT_DATA: { |
| 753 | if ((le64toh(o->data.entry_offset) == 0) ^ (le64toh(o->data.n_entries) == 0)) { |
| 754 | log_debug("Bad n_entries: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 755, __func__, "Bad n_entries: %" "l" "u"": %""l" "u", le64toh(o->data.n_entries), offset) : -abs(_e); }) |
| 755 | le64toh(o->data.n_entries), offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 755, __func__, "Bad n_entries: %" "l" "u"": %""l" "u", le64toh(o->data.n_entries), offset) : -abs(_e); }); |
| 756 | return -EBADMSG74; |
| 757 | } |
| 758 | |
| 759 | if (le64toh(o->object.size) - offsetof(DataObject, payload)__builtin_offsetof(DataObject, payload) <= 0) { |
| 760 | log_debug("Bad object size (<= %zu): %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 763, __func__, "Bad object size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(DataObject, payload), le64toh(o->object.size), offset) : -abs(_e); }) |
| 761 | offsetof(DataObject, payload),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 763, __func__, "Bad object size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(DataObject, payload), le64toh(o->object.size), offset) : -abs(_e); }) |
| 762 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 763, __func__, "Bad object size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(DataObject, payload), le64toh(o->object.size), offset) : -abs(_e); }) |
| 763 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 763, __func__, "Bad object size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(DataObject, payload), le64toh(o->object.size), offset) : -abs(_e); }); |
| 764 | return -EBADMSG74; |
| 765 | } |
| 766 | |
| 767 | if (!VALID64(le64toh(o->data.next_hash_offset))(((le64toh(o->data.next_hash_offset)) & 7ULL) == 0ULL) || |
| 768 | !VALID64(le64toh(o->data.next_field_offset))(((le64toh(o->data.next_field_offset)) & 7ULL) == 0ULL ) || |
| 769 | !VALID64(le64toh(o->data.entry_offset))(((le64toh(o->data.entry_offset)) & 7ULL) == 0ULL) || |
| 770 | !VALID64(le64toh(o->data.entry_array_offset))(((le64toh(o->data.entry_array_offset)) & 7ULL) == 0ULL )) { |
| 771 | log_debug("Invalid offset, next_hash_offset="OFSfmt", next_field_offset="OFSfmt({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 772 | ", entry_offset="OFSfmt", entry_array_offset="OFSfmt": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 773 | le64toh(o->data.next_hash_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 774 | le64toh(o->data.next_field_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 775 | le64toh(o->data.entry_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 776 | le64toh(o->data.entry_array_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }) |
| 777 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 777, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x"", next_field_offset=""%06""l" "x" ", entry_offset=" "%06""l" "x"", entry_array_offset=""%06""l" "x"": %""l" "u", le64toh (o->data.next_hash_offset), le64toh(o->data.next_field_offset ), le64toh(o->data.entry_offset), le64toh(o->data.entry_array_offset ), offset) : -abs(_e); }); |
| 778 | return -EBADMSG74; |
| 779 | } |
| 780 | |
| 781 | break; |
| 782 | } |
| 783 | |
| 784 | case OBJECT_FIELD: |
| 785 | if (le64toh(o->object.size) - offsetof(FieldObject, payload)__builtin_offsetof(FieldObject, payload) <= 0) { |
| 786 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 790, __func__, "Bad field size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(FieldObject, payload) , le64toh(o->object.size), offset) : -abs(_e); }) |
| 787 | "Bad field size (<= %zu): %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 790, __func__, "Bad field size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(FieldObject, payload) , le64toh(o->object.size), offset) : -abs(_e); }) |
| 788 | offsetof(FieldObject, payload),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 790, __func__, "Bad field size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(FieldObject, payload) , le64toh(o->object.size), offset) : -abs(_e); }) |
| 789 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 790, __func__, "Bad field size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(FieldObject, payload) , le64toh(o->object.size), offset) : -abs(_e); }) |
| 790 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 790, __func__, "Bad field size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(FieldObject, payload) , le64toh(o->object.size), offset) : -abs(_e); }); |
| 791 | return -EBADMSG74; |
| 792 | } |
| 793 | |
| 794 | if (!VALID64(le64toh(o->field.next_hash_offset))(((le64toh(o->field.next_hash_offset)) & 7ULL) == 0ULL ) || |
| 795 | !VALID64(le64toh(o->field.head_data_offset))(((le64toh(o->field.head_data_offset)) & 7ULL) == 0ULL )) { |
| 796 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }) |
| 797 | "Invalid offset, next_hash_offset="OFSfmt({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }) |
| 798 | ", head_data_offset="OFSfmt": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }) |
| 799 | le64toh(o->field.next_hash_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }) |
| 800 | le64toh(o->field.head_data_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }) |
| 801 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 801, __func__, "Invalid offset, next_hash_offset=" "%06""l" "x" ", head_data_offset=""%06""l" "x"": %""l" "u", le64toh (o->field.next_hash_offset), le64toh(o->field.head_data_offset ), offset) : -abs(_e); }); |
| 802 | return -EBADMSG74; |
| 803 | } |
| 804 | break; |
| 805 | |
| 806 | case OBJECT_ENTRY: |
| 807 | if ((le64toh(o->object.size) - offsetof(EntryObject, items)__builtin_offsetof(EntryObject, items)) % sizeof(EntryItem) != 0) { |
| 808 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 812, __func__, "Bad entry size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(EntryObject, items), le64toh (o->object.size), offset) : -abs(_e); }) |
| 809 | "Bad entry size (<= %zu): %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 812, __func__, "Bad entry size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(EntryObject, items), le64toh (o->object.size), offset) : -abs(_e); }) |
| 810 | offsetof(EntryObject, items),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 812, __func__, "Bad entry size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(EntryObject, items), le64toh (o->object.size), offset) : -abs(_e); }) |
| 811 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 812, __func__, "Bad entry size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(EntryObject, items), le64toh (o->object.size), offset) : -abs(_e); }) |
| 812 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 812, __func__, "Bad entry size (<= %zu): %" "l" "u"": %""l" "u", __builtin_offsetof(EntryObject, items), le64toh (o->object.size), offset) : -abs(_e); }); |
| 813 | return -EBADMSG74; |
| 814 | } |
| 815 | |
| 816 | if ((le64toh(o->object.size) - offsetof(EntryObject, items)__builtin_offsetof(EntryObject, items)) / sizeof(EntryItem) <= 0) { |
| 817 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 820, __func__, "Invalid number items in entry: %" "l" "u"": %""l" "u", (le64toh(o->object.size) - __builtin_offsetof (EntryObject, items)) / sizeof(EntryItem), offset) : -abs(_e) ; }) |
| 818 | "Invalid number items in entry: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 820, __func__, "Invalid number items in entry: %" "l" "u"": %""l" "u", (le64toh(o->object.size) - __builtin_offsetof (EntryObject, items)) / sizeof(EntryItem), offset) : -abs(_e) ; }) |
| 819 | (le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 820, __func__, "Invalid number items in entry: %" "l" "u"": %""l" "u", (le64toh(o->object.size) - __builtin_offsetof (EntryObject, items)) / sizeof(EntryItem), offset) : -abs(_e) ; }) |
| 820 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 820, __func__, "Invalid number items in entry: %" "l" "u"": %""l" "u", (le64toh(o->object.size) - __builtin_offsetof (EntryObject, items)) / sizeof(EntryItem), offset) : -abs(_e) ; }); |
| 821 | return -EBADMSG74; |
| 822 | } |
| 823 | |
| 824 | if (le64toh(o->entry.seqnum) <= 0) { |
| 825 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 828, __func__, "Invalid entry seqnum: %" "l" "x"": %""l" "u", le64toh(o->entry.seqnum), offset) : - abs(_e); }) |
| 826 | "Invalid entry seqnum: %"PRIx64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 828, __func__, "Invalid entry seqnum: %" "l" "x"": %""l" "u", le64toh(o->entry.seqnum), offset) : - abs(_e); }) |
| 827 | le64toh(o->entry.seqnum),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 828, __func__, "Invalid entry seqnum: %" "l" "x"": %""l" "u", le64toh(o->entry.seqnum), offset) : - abs(_e); }) |
| 828 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 828, __func__, "Invalid entry seqnum: %" "l" "x"": %""l" "u", le64toh(o->entry.seqnum), offset) : - abs(_e); }); |
| 829 | return -EBADMSG74; |
| 830 | } |
| 831 | |
| 832 | if (!VALID_REALTIME(le64toh(o->entry.realtime))) { |
| 833 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 836, __func__, "Invalid entry realtime timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.realtime), offset) : -abs(_e); }) |
| 834 | "Invalid entry realtime timestamp: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 836, __func__, "Invalid entry realtime timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.realtime), offset) : -abs(_e); }) |
| 835 | le64toh(o->entry.realtime),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 836, __func__, "Invalid entry realtime timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.realtime), offset) : -abs(_e); }) |
| 836 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 836, __func__, "Invalid entry realtime timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.realtime), offset) : -abs(_e); }); |
| 837 | return -EBADMSG74; |
| 838 | } |
| 839 | |
| 840 | if (!VALID_MONOTONIC(le64toh(o->entry.monotonic))) { |
| 841 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 844, __func__, "Invalid entry monotonic timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.monotonic), offset) : -abs(_e); }) |
| 842 | "Invalid entry monotonic timestamp: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 844, __func__, "Invalid entry monotonic timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.monotonic), offset) : -abs(_e); }) |
| 843 | le64toh(o->entry.monotonic),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 844, __func__, "Invalid entry monotonic timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.monotonic), offset) : -abs(_e); }) |
| 844 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 844, __func__, "Invalid entry monotonic timestamp: %" "l" "u"": %""l" "u", le64toh(o->entry.monotonic), offset) : -abs(_e); }); |
| 845 | return -EBADMSG74; |
| 846 | } |
| 847 | |
| 848 | break; |
| 849 | |
| 850 | case OBJECT_DATA_HASH_TABLE: |
| 851 | case OBJECT_FIELD_HASH_TABLE: |
| 852 | if ((le64toh(o->object.size) - offsetof(HashTableObject, items)__builtin_offsetof(HashTableObject, items)) % sizeof(HashItem) != 0 || |
| 853 | (le64toh(o->object.size) - offsetof(HashTableObject, items)__builtin_offsetof(HashTableObject, items)) / sizeof(HashItem) <= 0) { |
| 854 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 858, __func__, "Invalid %s hash table size: %" "l" "u"": %""l" "u", o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field", le64toh(o->object.size), offset) : -abs (_e); }) |
| 855 | "Invalid %s hash table size: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 858, __func__, "Invalid %s hash table size: %" "l" "u"": %""l" "u", o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field", le64toh(o->object.size), offset) : -abs (_e); }) |
| 856 | o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 858, __func__, "Invalid %s hash table size: %" "l" "u"": %""l" "u", o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field", le64toh(o->object.size), offset) : -abs (_e); }) |
| 857 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 858, __func__, "Invalid %s hash table size: %" "l" "u"": %""l" "u", o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field", le64toh(o->object.size), offset) : -abs (_e); }) |
| 858 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 858, __func__, "Invalid %s hash table size: %" "l" "u"": %""l" "u", o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field", le64toh(o->object.size), offset) : -abs (_e); }); |
| 859 | return -EBADMSG74; |
| 860 | } |
| 861 | |
| 862 | break; |
| 863 | |
| 864 | case OBJECT_ENTRY_ARRAY: |
| 865 | if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)__builtin_offsetof(EntryArrayObject, items)) % sizeof(le64_t) != 0 || |
| 866 | (le64toh(o->object.size) - offsetof(EntryArrayObject, items)__builtin_offsetof(EntryArrayObject, items)) / sizeof(le64_t) <= 0) { |
| 867 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 870, __func__, "Invalid object entry array size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 868 | "Invalid object entry array size: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 870, __func__, "Invalid object entry array size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 869 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 870, __func__, "Invalid object entry array size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 870 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 870, __func__, "Invalid object entry array size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }); |
| 871 | return -EBADMSG74; |
| 872 | } |
| 873 | |
| 874 | if (!VALID64(le64toh(o->entry_array.next_entry_array_offset))(((le64toh(o->entry_array.next_entry_array_offset)) & 7ULL ) == 0ULL)) { |
| 875 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 878, __func__, "Invalid object entry array next_entry_array_offset: " "%06""l" "x"": %""l" "u", le64toh(o->entry_array.next_entry_array_offset ), offset) : -abs(_e); }) |
| 876 | "Invalid object entry array next_entry_array_offset: "OFSfmt": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 878, __func__, "Invalid object entry array next_entry_array_offset: " "%06""l" "x"": %""l" "u", le64toh(o->entry_array.next_entry_array_offset ), offset) : -abs(_e); }) |
| 877 | le64toh(o->entry_array.next_entry_array_offset),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 878, __func__, "Invalid object entry array next_entry_array_offset: " "%06""l" "x"": %""l" "u", le64toh(o->entry_array.next_entry_array_offset ), offset) : -abs(_e); }) |
| 878 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 878, __func__, "Invalid object entry array next_entry_array_offset: " "%06""l" "x"": %""l" "u", le64toh(o->entry_array.next_entry_array_offset ), offset) : -abs(_e); }); |
| 879 | return -EBADMSG74; |
| 880 | } |
| 881 | |
| 882 | break; |
| 883 | |
| 884 | case OBJECT_TAG: |
| 885 | if (le64toh(o->object.size) != sizeof(TagObject)) { |
| 886 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 889, __func__, "Invalid object tag size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 887 | "Invalid object tag size: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 889, __func__, "Invalid object tag size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 888 | le64toh(o->object.size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 889, __func__, "Invalid object tag size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }) |
| 889 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 889, __func__, "Invalid object tag size: %" "l" "u"": %""l" "u", le64toh(o->object.size), offset) : -abs (_e); }); |
| 890 | return -EBADMSG74; |
| 891 | } |
| 892 | |
| 893 | if (!VALID_EPOCH(le64toh(o->tag.epoch))) { |
| 894 | log_debug(({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 897, __func__, "Invalid object tag epoch: %" "l" "u"": %""l" "u", le64toh(o->tag.epoch), offset) : -abs (_e); }) |
| 895 | "Invalid object tag epoch: %"PRIu64": %"PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 897, __func__, "Invalid object tag epoch: %" "l" "u"": %""l" "u", le64toh(o->tag.epoch), offset) : -abs (_e); }) |
| 896 | le64toh(o->tag.epoch),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 897, __func__, "Invalid object tag epoch: %" "l" "u"": %""l" "u", le64toh(o->tag.epoch), offset) : -abs (_e); }) |
| 897 | offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 897, __func__, "Invalid object tag epoch: %" "l" "u"": %""l" "u", le64toh(o->tag.epoch), offset) : -abs (_e); }); |
| 898 | return -EBADMSG74; |
| 899 | } |
| 900 | |
| 901 | break; |
| 902 | } |
| 903 | |
| 904 | return 0; |
| 905 | } |
| 906 | |
| 907 | int journal_file_move_to_object(JournalFile *f, ObjectType type, uint64_t offset, Object **ret) { |
| 908 | int r; |
| 909 | void *t; |
| 910 | size_t tsize; |
| 911 | Object *o; |
| 912 | uint64_t s; |
| 913 | |
| 914 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 914 , __PRETTY_FUNCTION__); } while (0); |
| 915 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/journal/journal-file.c", 915, __PRETTY_FUNCTION__); } while (0); |
| 916 | |
| 917 | /* Objects may only be located at multiple of 64 bit */ |
| 918 | if (!VALID64(offset)(((offset) & 7ULL) == 0ULL)) { |
| 919 | log_debug("Attempt to move to object at non-64bit boundary: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 919, __func__, "Attempt to move to object at non-64bit boundary: %" "l" "u", offset) : -abs(_e); }); |
| 920 | return -EBADMSG74; |
| 921 | } |
| 922 | |
| 923 | /* Object may not be located in the file header */ |
| 924 | if (offset < le64toh(f->header->header_size)) { |
| 925 | log_debug("Attempt to move to object located in file header: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 925, __func__, "Attempt to move to object located in file header: %" "l" "u", offset) : -abs(_e); }); |
| 926 | return -EBADMSG74; |
| 927 | } |
| 928 | |
| 929 | r = journal_file_move_to(f, type, false0, offset, sizeof(ObjectHeader), &t, &tsize); |
| 930 | if (r < 0) |
| 931 | return r; |
| 932 | |
| 933 | o = (Object*) t; |
| 934 | s = le64toh(o->object.size); |
| 935 | |
| 936 | if (s == 0) { |
| 937 | log_debug("Attempt to move to uninitialized object: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 937, __func__, "Attempt to move to uninitialized object: %" "l" "u", offset) : -abs(_e); }); |
| 938 | return -EBADMSG74; |
| 939 | } |
| 940 | if (s < sizeof(ObjectHeader)) { |
| 941 | log_debug("Attempt to move to overly short object: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 941, __func__, "Attempt to move to overly short object: %" "l" "u", offset) : -abs(_e); }); |
| 942 | return -EBADMSG74; |
| 943 | } |
| 944 | |
| 945 | if (o->object.type <= OBJECT_UNUSED) { |
| 946 | log_debug("Attempt to move to object with invalid type: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 946, __func__, "Attempt to move to object with invalid type: %" "l" "u", offset) : -abs(_e); }); |
| 947 | return -EBADMSG74; |
| 948 | } |
| 949 | |
| 950 | if (s < minimum_header_size(o)) { |
| 951 | log_debug("Attempt to move to truncated object: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 951, __func__, "Attempt to move to truncated object: %" "l" "u", offset) : -abs(_e); }); |
| 952 | return -EBADMSG74; |
| 953 | } |
| 954 | |
| 955 | if (type > OBJECT_UNUSED && o->object.type != type) { |
| 956 | log_debug("Attempt to move to object of unexpected type: %" PRIu64, offset)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 956, __func__, "Attempt to move to object of unexpected type: %" "l" "u", offset) : -abs(_e); }); |
| 957 | return -EBADMSG74; |
| 958 | } |
| 959 | |
| 960 | if (s > tsize) { |
| 961 | r = journal_file_move_to(f, type, false0, offset, s, &t, NULL((void*)0)); |
| 962 | if (r < 0) |
| 963 | return r; |
| 964 | |
| 965 | o = (Object*) t; |
| 966 | } |
| 967 | |
| 968 | r = journal_file_check_object(f, offset, o); |
| 969 | if (r < 0) |
| 970 | return r; |
| 971 | |
| 972 | *ret = o; |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | static uint64_t journal_file_entry_seqnum(JournalFile *f, uint64_t *seqnum) { |
| 977 | uint64_t r; |
| 978 | |
| 979 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 979 , __PRETTY_FUNCTION__); } while (0); |
| 980 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 980, __PRETTY_FUNCTION__); } while (0); |
| 981 | |
| 982 | r = le64toh(f->header->tail_entry_seqnum) + 1; |
| 983 | |
| 984 | if (seqnum) { |
| 985 | /* If an external seqnum counter was passed, we update |
| 986 | * both the local and the external one, and set it to |
| 987 | * the maximum of both */ |
| 988 | |
| 989 | if (*seqnum + 1 > r) |
| 990 | r = *seqnum + 1; |
| 991 | |
| 992 | *seqnum = r; |
| 993 | } |
| 994 | |
| 995 | f->header->tail_entry_seqnum = htole64(r); |
| 996 | |
| 997 | if (f->header->head_entry_seqnum == 0) |
| 998 | f->header->head_entry_seqnum = htole64(r); |
| 999 | |
| 1000 | return r; |
| 1001 | } |
| 1002 | |
| 1003 | int journal_file_append_object(JournalFile *f, ObjectType type, uint64_t size, Object **ret, uint64_t *offset) { |
| 1004 | int r; |
| 1005 | uint64_t p; |
| 1006 | Object *tail, *o; |
| 1007 | void *t; |
| 1008 | |
| 1009 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1009 , __PRETTY_FUNCTION__); } while (0); |
| 1010 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1010, __PRETTY_FUNCTION__); } while (0); |
| 1011 | assert(type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX)do { if ((__builtin_expect(!!(!(type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX" ), "../src/journal/journal-file.c", 1011, __PRETTY_FUNCTION__ ); } while (0); |
| 1012 | assert(size >= sizeof(ObjectHeader))do { if ((__builtin_expect(!!(!(size >= sizeof(ObjectHeader ))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("size >= sizeof(ObjectHeader)" ), "../src/journal/journal-file.c", 1012, __PRETTY_FUNCTION__ ); } while (0); |
| 1013 | assert(offset)do { if ((__builtin_expect(!!(!(offset)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset"), "../src/journal/journal-file.c" , 1013, __PRETTY_FUNCTION__); } while (0); |
| 1014 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/journal/journal-file.c", 1014, __PRETTY_FUNCTION__); } while (0); |
| 1015 | |
| 1016 | r = journal_file_set_online(f); |
| 1017 | if (r < 0) |
| 1018 | return r; |
| 1019 | |
| 1020 | p = le64toh(f->header->tail_object_offset); |
| 1021 | if (p == 0) |
| 1022 | p = le64toh(f->header->header_size); |
| 1023 | else { |
| 1024 | r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &tail); |
| 1025 | if (r < 0) |
| 1026 | return r; |
| 1027 | |
| 1028 | p += ALIGN64(le64toh(tail->object.size))(((le64toh(tail->object.size)) + 7ULL) & ~7ULL); |
| 1029 | } |
| 1030 | |
| 1031 | r = journal_file_allocate(f, p, size); |
| 1032 | if (r < 0) |
| 1033 | return r; |
| 1034 | |
| 1035 | r = journal_file_move_to(f, type, false0, p, size, &t, NULL((void*)0)); |
| 1036 | if (r < 0) |
| 1037 | return r; |
| 1038 | |
| 1039 | o = (Object*) t; |
| 1040 | |
| 1041 | zero(o->object)(({ size_t _l_ = (sizeof(o->object)); void *_x_ = (&(o ->object)); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); })); |
| 1042 | o->object.type = type; |
| 1043 | o->object.size = htole64(size); |
| 1044 | |
| 1045 | f->header->tail_object_offset = htole64(p); |
| 1046 | f->header->n_objects = htole64(le64toh(f->header->n_objects) + 1); |
| 1047 | |
| 1048 | *ret = o; |
| 1049 | *offset = p; |
| 1050 | |
| 1051 | return 0; |
| 1052 | } |
| 1053 | |
| 1054 | static int journal_file_setup_data_hash_table(JournalFile *f) { |
| 1055 | uint64_t s, p; |
| 1056 | Object *o; |
| 1057 | int r; |
| 1058 | |
| 1059 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1059 , __PRETTY_FUNCTION__); } while (0); |
| 1060 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1060, __PRETTY_FUNCTION__); } while (0); |
| 1061 | |
| 1062 | /* We estimate that we need 1 hash table entry per 768 bytes |
| 1063 | of journal file and we want to make sure we never get |
| 1064 | beyond 75% fill level. Calculate the hash table size for |
| 1065 | the maximum file size based on these metrics. */ |
| 1066 | |
| 1067 | s = (f->metrics.max_size * 4 / 768 / 3) * sizeof(HashItem); |
| 1068 | if (s < DEFAULT_DATA_HASH_TABLE_SIZE(2047ULL*sizeof(HashItem))) |
| 1069 | s = DEFAULT_DATA_HASH_TABLE_SIZE(2047ULL*sizeof(HashItem)); |
| 1070 | |
| 1071 | log_debug("Reserving %"PRIu64" entries in hash table.", s / sizeof(HashItem))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1071, __func__, "Reserving %" "l" "u"" entries in hash table.", s / sizeof(HashItem)) : -abs (_e); }); |
| 1072 | |
| 1073 | r = journal_file_append_object(f, |
| 1074 | OBJECT_DATA_HASH_TABLE, |
| 1075 | offsetof(Object, hash_table.items)__builtin_offsetof(Object, hash_table.items) + s, |
| 1076 | &o, &p); |
| 1077 | if (r < 0) |
| 1078 | return r; |
| 1079 | |
| 1080 | memzero(o->hash_table.items, s)({ size_t _l_ = (s); void *_x_ = (o->hash_table.items); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); }); |
| 1081 | |
| 1082 | f->header->data_hash_table_offset = htole64(p + offsetof(Object, hash_table.items)__builtin_offsetof(Object, hash_table.items)); |
| 1083 | f->header->data_hash_table_size = htole64(s); |
| 1084 | |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
| 1088 | static int journal_file_setup_field_hash_table(JournalFile *f) { |
| 1089 | uint64_t s, p; |
| 1090 | Object *o; |
| 1091 | int r; |
| 1092 | |
| 1093 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1093 , __PRETTY_FUNCTION__); } while (0); |
| 1094 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1094, __PRETTY_FUNCTION__); } while (0); |
| 1095 | |
| 1096 | /* We use a fixed size hash table for the fields as this |
| 1097 | * number should grow very slowly only */ |
| 1098 | |
| 1099 | s = DEFAULT_FIELD_HASH_TABLE_SIZE(333ULL*sizeof(HashItem)); |
| 1100 | r = journal_file_append_object(f, |
| 1101 | OBJECT_FIELD_HASH_TABLE, |
| 1102 | offsetof(Object, hash_table.items)__builtin_offsetof(Object, hash_table.items) + s, |
| 1103 | &o, &p); |
| 1104 | if (r < 0) |
| 1105 | return r; |
| 1106 | |
| 1107 | memzero(o->hash_table.items, s)({ size_t _l_ = (s); void *_x_ = (o->hash_table.items); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); }); |
| 1108 | |
| 1109 | f->header->field_hash_table_offset = htole64(p + offsetof(Object, hash_table.items)__builtin_offsetof(Object, hash_table.items)); |
| 1110 | f->header->field_hash_table_size = htole64(s); |
| 1111 | |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
| 1115 | int journal_file_map_data_hash_table(JournalFile *f) { |
| 1116 | uint64_t s, p; |
| 1117 | void *t; |
| 1118 | int r; |
| 1119 | |
| 1120 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1120 , __PRETTY_FUNCTION__); } while (0); |
| 1121 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1121, __PRETTY_FUNCTION__); } while (0); |
| 1122 | |
| 1123 | if (f->data_hash_table) |
| 1124 | return 0; |
| 1125 | |
| 1126 | p = le64toh(f->header->data_hash_table_offset); |
| 1127 | s = le64toh(f->header->data_hash_table_size); |
| 1128 | |
| 1129 | r = journal_file_move_to(f, |
| 1130 | OBJECT_DATA_HASH_TABLE, |
| 1131 | true1, |
| 1132 | p, s, |
| 1133 | &t, NULL((void*)0)); |
| 1134 | if (r < 0) |
| 1135 | return r; |
| 1136 | |
| 1137 | f->data_hash_table = t; |
| 1138 | return 0; |
| 1139 | } |
| 1140 | |
| 1141 | int journal_file_map_field_hash_table(JournalFile *f) { |
| 1142 | uint64_t s, p; |
| 1143 | void *t; |
| 1144 | int r; |
| 1145 | |
| 1146 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1146 , __PRETTY_FUNCTION__); } while (0); |
| 1147 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1147, __PRETTY_FUNCTION__); } while (0); |
| 1148 | |
| 1149 | if (f->field_hash_table) |
| 1150 | return 0; |
| 1151 | |
| 1152 | p = le64toh(f->header->field_hash_table_offset); |
| 1153 | s = le64toh(f->header->field_hash_table_size); |
| 1154 | |
| 1155 | r = journal_file_move_to(f, |
| 1156 | OBJECT_FIELD_HASH_TABLE, |
| 1157 | true1, |
| 1158 | p, s, |
| 1159 | &t, NULL((void*)0)); |
| 1160 | if (r < 0) |
| 1161 | return r; |
| 1162 | |
| 1163 | f->field_hash_table = t; |
| 1164 | return 0; |
| 1165 | } |
| 1166 | |
| 1167 | static int journal_file_link_field( |
| 1168 | JournalFile *f, |
| 1169 | Object *o, |
| 1170 | uint64_t offset, |
| 1171 | uint64_t hash) { |
| 1172 | |
| 1173 | uint64_t p, h, m; |
| 1174 | int r; |
| 1175 | |
| 1176 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1176 , __PRETTY_FUNCTION__); } while (0); |
| 1177 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1177, __PRETTY_FUNCTION__); } while (0); |
| 1178 | assert(f->field_hash_table)do { if ((__builtin_expect(!!(!(f->field_hash_table)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("f->field_hash_table" ), "../src/journal/journal-file.c", 1178, __PRETTY_FUNCTION__ ); } while (0); |
| 1179 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1179 , __PRETTY_FUNCTION__); } while (0); |
| 1180 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/journal/journal-file.c" , 1180, __PRETTY_FUNCTION__); } while (0); |
| 1181 | |
| 1182 | if (o->object.type != OBJECT_FIELD) |
| 1183 | return -EINVAL22; |
| 1184 | |
| 1185 | m = le64toh(f->header->field_hash_table_size) / sizeof(HashItem); |
| 1186 | if (m <= 0) |
| 1187 | return -EBADMSG74; |
| 1188 | |
| 1189 | /* This might alter the window we are looking at */ |
| 1190 | o->field.next_hash_offset = o->field.head_data_offset = 0; |
| 1191 | |
| 1192 | h = hash % m; |
| 1193 | p = le64toh(f->field_hash_table[h].tail_hash_offset); |
| 1194 | if (p == 0) |
| 1195 | f->field_hash_table[h].head_hash_offset = htole64(offset); |
| 1196 | else { |
| 1197 | r = journal_file_move_to_object(f, OBJECT_FIELD, p, &o); |
| 1198 | if (r < 0) |
| 1199 | return r; |
| 1200 | |
| 1201 | o->field.next_hash_offset = htole64(offset); |
| 1202 | } |
| 1203 | |
| 1204 | f->field_hash_table[h].tail_hash_offset = htole64(offset); |
| 1205 | |
| 1206 | if (JOURNAL_HEADER_CONTAINS(f->header, n_fields)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_fields) + sizeof((f->header)->n_fields))) |
| 1207 | f->header->n_fields = htole64(le64toh(f->header->n_fields) + 1); |
| 1208 | |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | static int journal_file_link_data( |
| 1213 | JournalFile *f, |
| 1214 | Object *o, |
| 1215 | uint64_t offset, |
| 1216 | uint64_t hash) { |
| 1217 | |
| 1218 | uint64_t p, h, m; |
| 1219 | int r; |
| 1220 | |
| 1221 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1221 , __PRETTY_FUNCTION__); } while (0); |
| 1222 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1222, __PRETTY_FUNCTION__); } while (0); |
| 1223 | assert(f->data_hash_table)do { if ((__builtin_expect(!!(!(f->data_hash_table)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->data_hash_table"), "../src/journal/journal-file.c" , 1223, __PRETTY_FUNCTION__); } while (0); |
| 1224 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1224 , __PRETTY_FUNCTION__); } while (0); |
| 1225 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/journal/journal-file.c" , 1225, __PRETTY_FUNCTION__); } while (0); |
| 1226 | |
| 1227 | if (o->object.type != OBJECT_DATA) |
| 1228 | return -EINVAL22; |
| 1229 | |
| 1230 | m = le64toh(f->header->data_hash_table_size) / sizeof(HashItem); |
| 1231 | if (m <= 0) |
| 1232 | return -EBADMSG74; |
| 1233 | |
| 1234 | /* This might alter the window we are looking at */ |
| 1235 | o->data.next_hash_offset = o->data.next_field_offset = 0; |
| 1236 | o->data.entry_offset = o->data.entry_array_offset = 0; |
| 1237 | o->data.n_entries = 0; |
| 1238 | |
| 1239 | h = hash % m; |
| 1240 | p = le64toh(f->data_hash_table[h].tail_hash_offset); |
| 1241 | if (p == 0) |
| 1242 | /* Only entry in the hash table is easy */ |
| 1243 | f->data_hash_table[h].head_hash_offset = htole64(offset); |
| 1244 | else { |
| 1245 | /* Move back to the previous data object, to patch in |
| 1246 | * pointer */ |
| 1247 | |
| 1248 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); |
| 1249 | if (r < 0) |
| 1250 | return r; |
| 1251 | |
| 1252 | o->data.next_hash_offset = htole64(offset); |
| 1253 | } |
| 1254 | |
| 1255 | f->data_hash_table[h].tail_hash_offset = htole64(offset); |
| 1256 | |
| 1257 | if (JOURNAL_HEADER_CONTAINS(f->header, n_data)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_data) + sizeof((f->header)->n_data))) |
| 1258 | f->header->n_data = htole64(le64toh(f->header->n_data) + 1); |
| 1259 | |
| 1260 | return 0; |
| 1261 | } |
| 1262 | |
| 1263 | int journal_file_find_field_object_with_hash( |
| 1264 | JournalFile *f, |
| 1265 | const void *field, uint64_t size, uint64_t hash, |
| 1266 | Object **ret, uint64_t *offset) { |
| 1267 | |
| 1268 | uint64_t p, osize, h, m; |
| 1269 | int r; |
| 1270 | |
| 1271 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1271 , __PRETTY_FUNCTION__); } while (0); |
| 1272 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1272, __PRETTY_FUNCTION__); } while (0); |
| 1273 | assert(field && size > 0)do { if ((__builtin_expect(!!(!(field && size > 0) ),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("field && size > 0" ), "../src/journal/journal-file.c", 1273, __PRETTY_FUNCTION__ ); } while (0); |
| 1274 | |
| 1275 | /* If the field hash table is empty, we can't find anything */ |
| 1276 | if (le64toh(f->header->field_hash_table_size) <= 0) |
| 1277 | return 0; |
| 1278 | |
| 1279 | /* Map the field hash table, if it isn't mapped yet. */ |
| 1280 | r = journal_file_map_field_hash_table(f); |
| 1281 | if (r < 0) |
| 1282 | return r; |
| 1283 | |
| 1284 | osize = offsetof(Object, field.payload)__builtin_offsetof(Object, field.payload) + size; |
| 1285 | |
| 1286 | m = le64toh(f->header->field_hash_table_size) / sizeof(HashItem); |
| 1287 | if (m <= 0) |
| 1288 | return -EBADMSG74; |
| 1289 | |
| 1290 | h = hash % m; |
| 1291 | p = le64toh(f->field_hash_table[h].head_hash_offset); |
| 1292 | |
| 1293 | while (p > 0) { |
| 1294 | Object *o; |
| 1295 | |
| 1296 | r = journal_file_move_to_object(f, OBJECT_FIELD, p, &o); |
| 1297 | if (r < 0) |
| 1298 | return r; |
| 1299 | |
| 1300 | if (le64toh(o->field.hash) == hash && |
| 1301 | le64toh(o->object.size) == osize && |
| 1302 | memcmp(o->field.payload, field, size) == 0) { |
| 1303 | |
| 1304 | if (ret) |
| 1305 | *ret = o; |
| 1306 | if (offset) |
| 1307 | *offset = p; |
| 1308 | |
| 1309 | return 1; |
| 1310 | } |
| 1311 | |
| 1312 | p = le64toh(o->field.next_hash_offset); |
| 1313 | } |
| 1314 | |
| 1315 | return 0; |
| 1316 | } |
| 1317 | |
| 1318 | int journal_file_find_field_object( |
| 1319 | JournalFile *f, |
| 1320 | const void *field, uint64_t size, |
| 1321 | Object **ret, uint64_t *offset) { |
| 1322 | |
| 1323 | uint64_t hash; |
| 1324 | |
| 1325 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1325 , __PRETTY_FUNCTION__); } while (0); |
| 1326 | assert(field && size > 0)do { if ((__builtin_expect(!!(!(field && size > 0) ),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("field && size > 0" ), "../src/journal/journal-file.c", 1326, __PRETTY_FUNCTION__ ); } while (0); |
| 1327 | |
| 1328 | hash = hash64(field, size); |
| 1329 | |
| 1330 | return journal_file_find_field_object_with_hash(f, |
| 1331 | field, size, hash, |
| 1332 | ret, offset); |
| 1333 | } |
| 1334 | |
| 1335 | int journal_file_find_data_object_with_hash( |
| 1336 | JournalFile *f, |
| 1337 | const void *data, uint64_t size, uint64_t hash, |
| 1338 | Object **ret, uint64_t *offset) { |
| 1339 | |
| 1340 | uint64_t p, osize, h, m; |
| 1341 | int r; |
| 1342 | |
| 1343 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1343 , __PRETTY_FUNCTION__); } while (0); |
| 1344 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1344, __PRETTY_FUNCTION__); } while (0); |
| 1345 | assert(data || size == 0)do { if ((__builtin_expect(!!(!(data || size == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("data || size == 0"), "../src/journal/journal-file.c" , 1345, __PRETTY_FUNCTION__); } while (0); |
| 1346 | |
| 1347 | /* If there's no data hash table, then there's no entry. */ |
| 1348 | if (le64toh(f->header->data_hash_table_size) <= 0) |
| 1349 | return 0; |
| 1350 | |
| 1351 | /* Map the data hash table, if it isn't mapped yet. */ |
| 1352 | r = journal_file_map_data_hash_table(f); |
| 1353 | if (r < 0) |
| 1354 | return r; |
| 1355 | |
| 1356 | osize = offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload) + size; |
| 1357 | |
| 1358 | m = le64toh(f->header->data_hash_table_size) / sizeof(HashItem); |
| 1359 | if (m <= 0) |
| 1360 | return -EBADMSG74; |
| 1361 | |
| 1362 | h = hash % m; |
| 1363 | p = le64toh(f->data_hash_table[h].head_hash_offset); |
| 1364 | |
| 1365 | while (p > 0) { |
| 1366 | Object *o; |
| 1367 | |
| 1368 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); |
| 1369 | if (r < 0) |
| 1370 | return r; |
| 1371 | |
| 1372 | if (le64toh(o->data.hash) != hash) |
| 1373 | goto next; |
| 1374 | |
| 1375 | if (o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4)) { |
| 1376 | #if HAVE_XZ1 || HAVE_LZ41 |
| 1377 | uint64_t l; |
| 1378 | size_t rsize = 0; |
| 1379 | |
| 1380 | l = le64toh(o->object.size); |
| 1381 | if (l <= offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload)) |
| 1382 | return -EBADMSG74; |
| 1383 | |
| 1384 | l -= offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload); |
| 1385 | |
| 1386 | r = decompress_blob(o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4), |
| 1387 | o->data.payload, l, &f->compress_buffer, &f->compress_buffer_size, &rsize, 0); |
| 1388 | if (r < 0) |
| 1389 | return r; |
| 1390 | |
| 1391 | if (rsize == size && |
| 1392 | memcmp(f->compress_buffer, data, size) == 0) { |
| 1393 | |
| 1394 | if (ret) |
| 1395 | *ret = o; |
| 1396 | |
| 1397 | if (offset) |
| 1398 | *offset = p; |
| 1399 | |
| 1400 | return 1; |
| 1401 | } |
| 1402 | #else |
| 1403 | return -EPROTONOSUPPORT93; |
| 1404 | #endif |
| 1405 | } else if (le64toh(o->object.size) == osize && |
| 1406 | memcmp(o->data.payload, data, size) == 0) { |
| 1407 | |
| 1408 | if (ret) |
| 1409 | *ret = o; |
| 1410 | |
| 1411 | if (offset) |
| 1412 | *offset = p; |
| 1413 | |
| 1414 | return 1; |
| 1415 | } |
| 1416 | |
| 1417 | next: |
| 1418 | p = le64toh(o->data.next_hash_offset); |
| 1419 | } |
| 1420 | |
| 1421 | return 0; |
| 1422 | } |
| 1423 | |
| 1424 | int journal_file_find_data_object( |
| 1425 | JournalFile *f, |
| 1426 | const void *data, uint64_t size, |
| 1427 | Object **ret, uint64_t *offset) { |
| 1428 | |
| 1429 | uint64_t hash; |
| 1430 | |
| 1431 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1431 , __PRETTY_FUNCTION__); } while (0); |
| 1432 | assert(data || size == 0)do { if ((__builtin_expect(!!(!(data || size == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("data || size == 0"), "../src/journal/journal-file.c" , 1432, __PRETTY_FUNCTION__); } while (0); |
| 1433 | |
| 1434 | hash = hash64(data, size); |
| 1435 | |
| 1436 | return journal_file_find_data_object_with_hash(f, |
| 1437 | data, size, hash, |
| 1438 | ret, offset); |
| 1439 | } |
| 1440 | |
| 1441 | static int journal_file_append_field( |
| 1442 | JournalFile *f, |
| 1443 | const void *field, uint64_t size, |
| 1444 | Object **ret, uint64_t *offset) { |
| 1445 | |
| 1446 | uint64_t hash, p; |
| 1447 | uint64_t osize; |
| 1448 | Object *o; |
| 1449 | int r; |
| 1450 | |
| 1451 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1451 , __PRETTY_FUNCTION__); } while (0); |
| 1452 | assert(field && size > 0)do { if ((__builtin_expect(!!(!(field && size > 0) ),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("field && size > 0" ), "../src/journal/journal-file.c", 1452, __PRETTY_FUNCTION__ ); } while (0); |
| 1453 | |
| 1454 | hash = hash64(field, size); |
| 1455 | |
| 1456 | r = journal_file_find_field_object_with_hash(f, field, size, hash, &o, &p); |
| 1457 | if (r < 0) |
| 1458 | return r; |
| 1459 | else if (r > 0) { |
| 1460 | |
| 1461 | if (ret) |
| 1462 | *ret = o; |
| 1463 | |
| 1464 | if (offset) |
| 1465 | *offset = p; |
| 1466 | |
| 1467 | return 0; |
| 1468 | } |
| 1469 | |
| 1470 | osize = offsetof(Object, field.payload)__builtin_offsetof(Object, field.payload) + size; |
| 1471 | r = journal_file_append_object(f, OBJECT_FIELD, osize, &o, &p); |
| 1472 | if (r < 0) |
| 1473 | return r; |
| 1474 | |
| 1475 | o->field.hash = htole64(hash); |
| 1476 | memcpy(o->field.payload, field, size); |
| 1477 | |
| 1478 | r = journal_file_link_field(f, o, p, hash); |
| 1479 | if (r < 0) |
| 1480 | return r; |
| 1481 | |
| 1482 | /* The linking might have altered the window, so let's |
| 1483 | * refresh our pointer */ |
| 1484 | r = journal_file_move_to_object(f, OBJECT_FIELD, p, &o); |
| 1485 | if (r < 0) |
| 1486 | return r; |
| 1487 | |
| 1488 | #if HAVE_GCRYPT1 |
| 1489 | r = journal_file_hmac_put_object(f, OBJECT_FIELD, o, p); |
| 1490 | if (r < 0) |
| 1491 | return r; |
| 1492 | #endif |
| 1493 | |
| 1494 | if (ret) |
| 1495 | *ret = o; |
| 1496 | |
| 1497 | if (offset) |
| 1498 | *offset = p; |
| 1499 | |
| 1500 | return 0; |
| 1501 | } |
| 1502 | |
| 1503 | static int journal_file_append_data( |
| 1504 | JournalFile *f, |
| 1505 | const void *data, uint64_t size, |
| 1506 | Object **ret, uint64_t *offset) { |
| 1507 | |
| 1508 | uint64_t hash, p; |
| 1509 | uint64_t osize; |
| 1510 | Object *o; |
| 1511 | int r, compression = 0; |
| 1512 | const void *eq; |
| 1513 | |
| 1514 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1514 , __PRETTY_FUNCTION__); } while (0); |
| 1515 | assert(data || size == 0)do { if ((__builtin_expect(!!(!(data || size == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("data || size == 0"), "../src/journal/journal-file.c" , 1515, __PRETTY_FUNCTION__); } while (0); |
| 1516 | |
| 1517 | hash = hash64(data, size); |
| 1518 | |
| 1519 | r = journal_file_find_data_object_with_hash(f, data, size, hash, &o, &p); |
| 1520 | if (r < 0) |
| 1521 | return r; |
| 1522 | if (r > 0) { |
| 1523 | |
| 1524 | if (ret) |
| 1525 | *ret = o; |
| 1526 | |
| 1527 | if (offset) |
| 1528 | *offset = p; |
| 1529 | |
| 1530 | return 0; |
| 1531 | } |
| 1532 | |
| 1533 | osize = offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload) + size; |
| 1534 | r = journal_file_append_object(f, OBJECT_DATA, osize, &o, &p); |
| 1535 | if (r < 0) |
| 1536 | return r; |
| 1537 | |
| 1538 | o->data.hash = htole64(hash); |
| 1539 | |
| 1540 | #if HAVE_XZ1 || HAVE_LZ41 |
| 1541 | if (JOURNAL_FILE_COMPRESS(f) && size >= f->compress_threshold_bytes) { |
| 1542 | size_t rsize = 0; |
| 1543 | |
| 1544 | compression = compress_blob(data, size, o->data.payload, size - 1, &rsize); |
| 1545 | |
| 1546 | if (compression >= 0) { |
| 1547 | o->object.size = htole64(offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload) + rsize); |
| 1548 | o->object.flags |= compression; |
| 1549 | |
| 1550 | log_debug("Compressed data object %"PRIu64" -> %zu using %s",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1551, __func__, "Compressed data object %" "l" "u"" -> %zu using %s", size, rsize, object_compressed_to_string (compression)) : -abs(_e); }) |
| 1551 | size, rsize, object_compressed_to_string(compression))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1551, __func__, "Compressed data object %" "l" "u"" -> %zu using %s", size, rsize, object_compressed_to_string (compression)) : -abs(_e); }); |
| 1552 | } else |
| 1553 | /* Compression didn't work, we don't really care why, let's continue without compression */ |
| 1554 | compression = 0; |
| 1555 | } |
| 1556 | #endif |
| 1557 | |
| 1558 | if (compression == 0) |
| 1559 | memcpy_safe(o->data.payload, data, size); |
| 1560 | |
| 1561 | r = journal_file_link_data(f, o, p, hash); |
| 1562 | if (r < 0) |
| 1563 | return r; |
| 1564 | |
| 1565 | #if HAVE_GCRYPT1 |
| 1566 | r = journal_file_hmac_put_object(f, OBJECT_DATA, o, p); |
| 1567 | if (r < 0) |
| 1568 | return r; |
| 1569 | #endif |
| 1570 | |
| 1571 | /* The linking might have altered the window, so let's |
| 1572 | * refresh our pointer */ |
| 1573 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); |
| 1574 | if (r < 0) |
| 1575 | return r; |
| 1576 | |
| 1577 | if (!data) |
| 1578 | eq = NULL((void*)0); |
| 1579 | else |
| 1580 | eq = memchr(data, '=', size); |
| 1581 | if (eq && eq > data) { |
| 1582 | Object *fo = NULL((void*)0); |
| 1583 | uint64_t fp; |
| 1584 | |
| 1585 | /* Create field object ... */ |
| 1586 | r = journal_file_append_field(f, data, (uint8_t*) eq - (uint8_t*) data, &fo, &fp); |
| 1587 | if (r < 0) |
| 1588 | return r; |
| 1589 | |
| 1590 | /* ... and link it in. */ |
| 1591 | o->data.next_field_offset = fo->field.head_data_offset; |
| 1592 | fo->field.head_data_offset = le64toh(p); |
| 1593 | } |
| 1594 | |
| 1595 | if (ret) |
| 1596 | *ret = o; |
| 1597 | |
| 1598 | if (offset) |
| 1599 | *offset = p; |
| 1600 | |
| 1601 | return 0; |
| 1602 | } |
| 1603 | |
| 1604 | uint64_t journal_file_entry_n_items(Object *o) { |
| 1605 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1605 , __PRETTY_FUNCTION__); } while (0); |
| 1606 | |
| 1607 | if (o->object.type != OBJECT_ENTRY) |
| 1608 | return 0; |
| 1609 | |
| 1610 | return (le64toh(o->object.size) - offsetof(Object, entry.items)__builtin_offsetof(Object, entry.items)) / sizeof(EntryItem); |
| 1611 | } |
| 1612 | |
| 1613 | uint64_t journal_file_entry_array_n_items(Object *o) { |
| 1614 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1614 , __PRETTY_FUNCTION__); } while (0); |
| 1615 | |
| 1616 | if (o->object.type != OBJECT_ENTRY_ARRAY) |
| 1617 | return 0; |
| 1618 | |
| 1619 | return (le64toh(o->object.size) - offsetof(Object, entry_array.items)__builtin_offsetof(Object, entry_array.items)) / sizeof(uint64_t); |
| 1620 | } |
| 1621 | |
| 1622 | uint64_t journal_file_hash_table_n_items(Object *o) { |
| 1623 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1623 , __PRETTY_FUNCTION__); } while (0); |
| 1624 | |
| 1625 | if (!IN_SET(o->object.type, OBJECT_DATA_HASH_TABLE, OBJECT_FIELD_HASH_TABLE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){OBJECT_DATA_HASH_TABLE, OBJECT_FIELD_HASH_TABLE })/sizeof(int)]; switch(o->object.type) { case OBJECT_DATA_HASH_TABLE : case OBJECT_FIELD_HASH_TABLE: _found = 1; break; default: break ; } _found; })) |
| 1626 | return 0; |
| 1627 | |
| 1628 | return (le64toh(o->object.size) - offsetof(Object, hash_table.items)__builtin_offsetof(Object, hash_table.items)) / sizeof(HashItem); |
| 1629 | } |
| 1630 | |
| 1631 | static int link_entry_into_array(JournalFile *f, |
| 1632 | le64_t *first, |
| 1633 | le64_t *idx, |
| 1634 | uint64_t p) { |
| 1635 | int r; |
| 1636 | uint64_t n = 0, ap = 0, q, i, a, hidx; |
| 1637 | Object *o; |
| 1638 | |
| 1639 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1639 , __PRETTY_FUNCTION__); } while (0); |
| 1640 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1640, __PRETTY_FUNCTION__); } while (0); |
| 1641 | assert(first)do { if ((__builtin_expect(!!(!(first)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("first"), "../src/journal/journal-file.c" , 1641, __PRETTY_FUNCTION__); } while (0); |
| 1642 | assert(idx)do { if ((__builtin_expect(!!(!(idx)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("idx"), "../src/journal/journal-file.c", 1642, __PRETTY_FUNCTION__); } while (0); |
| 1643 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 1643, __PRETTY_FUNCTION__); } while (0); |
| 1644 | |
| 1645 | a = le64toh(*first); |
| 1646 | i = hidx = le64toh(*idx); |
| 1647 | while (a > 0) { |
| 1648 | |
| 1649 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); |
| 1650 | if (r < 0) |
| 1651 | return r; |
| 1652 | |
| 1653 | n = journal_file_entry_array_n_items(o); |
| 1654 | if (i < n) { |
| 1655 | o->entry_array.items[i] = htole64(p); |
| 1656 | *idx = htole64(hidx + 1); |
| 1657 | return 0; |
| 1658 | } |
| 1659 | |
| 1660 | i -= n; |
| 1661 | ap = a; |
| 1662 | a = le64toh(o->entry_array.next_entry_array_offset); |
| 1663 | } |
| 1664 | |
| 1665 | if (hidx > n) |
| 1666 | n = (hidx+1) * 2; |
| 1667 | else |
| 1668 | n = n * 2; |
| 1669 | |
| 1670 | if (n < 4) |
| 1671 | n = 4; |
| 1672 | |
| 1673 | r = journal_file_append_object(f, OBJECT_ENTRY_ARRAY, |
| 1674 | offsetof(Object, entry_array.items)__builtin_offsetof(Object, entry_array.items) + n * sizeof(uint64_t), |
| 1675 | &o, &q); |
| 1676 | if (r < 0) |
| 1677 | return r; |
| 1678 | |
| 1679 | #if HAVE_GCRYPT1 |
| 1680 | r = journal_file_hmac_put_object(f, OBJECT_ENTRY_ARRAY, o, q); |
| 1681 | if (r < 0) |
| 1682 | return r; |
| 1683 | #endif |
| 1684 | |
| 1685 | o->entry_array.items[i] = htole64(p); |
| 1686 | |
| 1687 | if (ap == 0) |
| 1688 | *first = htole64(q); |
| 1689 | else { |
| 1690 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, ap, &o); |
| 1691 | if (r < 0) |
| 1692 | return r; |
| 1693 | |
| 1694 | o->entry_array.next_entry_array_offset = htole64(q); |
| 1695 | } |
| 1696 | |
| 1697 | if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_entry_arrays) + sizeof((f->header)->n_entry_arrays ))) |
| 1698 | f->header->n_entry_arrays = htole64(le64toh(f->header->n_entry_arrays) + 1); |
| 1699 | |
| 1700 | *idx = htole64(hidx + 1); |
| 1701 | |
| 1702 | return 0; |
| 1703 | } |
| 1704 | |
| 1705 | static int link_entry_into_array_plus_one(JournalFile *f, |
| 1706 | le64_t *extra, |
| 1707 | le64_t *first, |
| 1708 | le64_t *idx, |
| 1709 | uint64_t p) { |
| 1710 | |
| 1711 | int r; |
| 1712 | |
| 1713 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1713 , __PRETTY_FUNCTION__); } while (0); |
| 1714 | assert(extra)do { if ((__builtin_expect(!!(!(extra)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("extra"), "../src/journal/journal-file.c" , 1714, __PRETTY_FUNCTION__); } while (0); |
| 1715 | assert(first)do { if ((__builtin_expect(!!(!(first)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("first"), "../src/journal/journal-file.c" , 1715, __PRETTY_FUNCTION__); } while (0); |
| 1716 | assert(idx)do { if ((__builtin_expect(!!(!(idx)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("idx"), "../src/journal/journal-file.c", 1716, __PRETTY_FUNCTION__); } while (0); |
| 1717 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 1717, __PRETTY_FUNCTION__); } while (0); |
| 1718 | |
| 1719 | if (*idx == 0) |
| 1720 | *extra = htole64(p); |
| 1721 | else { |
| 1722 | le64_t i; |
| 1723 | |
| 1724 | i = htole64(le64toh(*idx) - 1); |
| 1725 | r = link_entry_into_array(f, first, &i, p); |
| 1726 | if (r < 0) |
| 1727 | return r; |
| 1728 | } |
| 1729 | |
| 1730 | *idx = htole64(le64toh(*idx) + 1); |
| 1731 | return 0; |
| 1732 | } |
| 1733 | |
| 1734 | static int journal_file_link_entry_item(JournalFile *f, Object *o, uint64_t offset, uint64_t i) { |
| 1735 | uint64_t p; |
| 1736 | int r; |
| 1737 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1737 , __PRETTY_FUNCTION__); } while (0); |
| 1738 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1738 , __PRETTY_FUNCTION__); } while (0); |
| 1739 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/journal/journal-file.c" , 1739, __PRETTY_FUNCTION__); } while (0); |
| 1740 | |
| 1741 | p = le64toh(o->entry.items[i].object_offset); |
| 1742 | if (p == 0) |
| 1743 | return -EINVAL22; |
| 1744 | |
| 1745 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); |
| 1746 | if (r < 0) |
| 1747 | return r; |
| 1748 | |
| 1749 | return link_entry_into_array_plus_one(f, |
| 1750 | &o->data.entry_offset, |
| 1751 | &o->data.entry_array_offset, |
| 1752 | &o->data.n_entries, |
| 1753 | offset); |
| 1754 | } |
| 1755 | |
| 1756 | static int journal_file_link_entry(JournalFile *f, Object *o, uint64_t offset) { |
| 1757 | uint64_t n, i; |
| 1758 | int r; |
| 1759 | |
| 1760 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1760 , __PRETTY_FUNCTION__); } while (0); |
| 1761 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1761, __PRETTY_FUNCTION__); } while (0); |
| 1762 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 1762 , __PRETTY_FUNCTION__); } while (0); |
| 1763 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/journal/journal-file.c" , 1763, __PRETTY_FUNCTION__); } while (0); |
| 1764 | |
| 1765 | if (o->object.type != OBJECT_ENTRY) |
| 1766 | return -EINVAL22; |
| 1767 | |
| 1768 | __sync_synchronize(); |
| 1769 | |
| 1770 | /* Link up the entry itself */ |
| 1771 | r = link_entry_into_array(f, |
| 1772 | &f->header->entry_array_offset, |
| 1773 | &f->header->n_entries, |
| 1774 | offset); |
| 1775 | if (r < 0) |
| 1776 | return r; |
| 1777 | |
| 1778 | /* log_debug("=> %s seqnr=%"PRIu64" n_entries=%"PRIu64, f->path, o->entry.seqnum, f->header->n_entries); */ |
| 1779 | |
| 1780 | if (f->header->head_entry_realtime == 0) |
| 1781 | f->header->head_entry_realtime = o->entry.realtime; |
| 1782 | |
| 1783 | f->header->tail_entry_realtime = o->entry.realtime; |
| 1784 | f->header->tail_entry_monotonic = o->entry.monotonic; |
| 1785 | |
| 1786 | /* Link up the items */ |
| 1787 | n = journal_file_entry_n_items(o); |
| 1788 | for (i = 0; i < n; i++) { |
| 1789 | r = journal_file_link_entry_item(f, o, offset, i); |
| 1790 | if (r < 0) |
| 1791 | return r; |
| 1792 | } |
| 1793 | |
| 1794 | return 0; |
| 1795 | } |
| 1796 | |
| 1797 | static int journal_file_append_entry_internal( |
| 1798 | JournalFile *f, |
| 1799 | const dual_timestamp *ts, |
| 1800 | const sd_id128_t *boot_id, |
| 1801 | uint64_t xor_hash, |
| 1802 | const EntryItem items[], unsigned n_items, |
| 1803 | uint64_t *seqnum, |
| 1804 | Object **ret, uint64_t *offset) { |
| 1805 | uint64_t np; |
| 1806 | uint64_t osize; |
| 1807 | Object *o; |
| 1808 | int r; |
| 1809 | |
| 1810 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1810 , __PRETTY_FUNCTION__); } while (0); |
| 1811 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1811, __PRETTY_FUNCTION__); } while (0); |
| 1812 | assert(items || n_items == 0)do { if ((__builtin_expect(!!(!(items || n_items == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("items || n_items == 0"), "../src/journal/journal-file.c" , 1812, __PRETTY_FUNCTION__); } while (0); |
| 1813 | assert(ts)do { if ((__builtin_expect(!!(!(ts)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ts"), "../src/journal/journal-file.c", 1813 , __PRETTY_FUNCTION__); } while (0); |
| 1814 | |
| 1815 | osize = offsetof(Object, entry.items)__builtin_offsetof(Object, entry.items) + (n_items * sizeof(EntryItem)); |
| 1816 | |
| 1817 | r = journal_file_append_object(f, OBJECT_ENTRY, osize, &o, &np); |
| 1818 | if (r < 0) |
| 1819 | return r; |
| 1820 | |
| 1821 | o->entry.seqnum = htole64(journal_file_entry_seqnum(f, seqnum)); |
| 1822 | memcpy_safe(o->entry.items, items, n_items * sizeof(EntryItem)); |
| 1823 | o->entry.realtime = htole64(ts->realtime); |
| 1824 | o->entry.monotonic = htole64(ts->monotonic); |
| 1825 | o->entry.xor_hash = htole64(xor_hash); |
| 1826 | o->entry.boot_id = boot_id ? *boot_id : f->header->boot_id; |
| 1827 | |
| 1828 | #if HAVE_GCRYPT1 |
| 1829 | r = journal_file_hmac_put_object(f, OBJECT_ENTRY, o, np); |
| 1830 | if (r < 0) |
| 1831 | return r; |
| 1832 | #endif |
| 1833 | |
| 1834 | r = journal_file_link_entry(f, o, np); |
| 1835 | if (r < 0) |
| 1836 | return r; |
| 1837 | |
| 1838 | if (ret) |
| 1839 | *ret = o; |
| 1840 | |
| 1841 | if (offset) |
| 1842 | *offset = np; |
| 1843 | |
| 1844 | return 0; |
| 1845 | } |
| 1846 | |
| 1847 | void journal_file_post_change(JournalFile *f) { |
| 1848 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1848 , __PRETTY_FUNCTION__); } while (0); |
| 1849 | |
| 1850 | if (f->fd < 0) |
| 1851 | return; |
| 1852 | |
| 1853 | /* inotify() does not receive IN_MODIFY events from file |
| 1854 | * accesses done via mmap(). After each access we hence |
| 1855 | * trigger IN_MODIFY by truncating the journal file to its |
| 1856 | * current size which triggers IN_MODIFY. */ |
| 1857 | |
| 1858 | __sync_synchronize(); |
| 1859 | |
| 1860 | if (ftruncate(f->fd, f->last_stat.st_size) < 0) |
| 1861 | log_debug_errno(errno, "Failed to truncate file to its own size: %m")({ int _level = ((7)), _e = (((*__errno_location ()))), _realm = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >= ((_level) & 0x07)) ? log_internal_realm(((_realm) << 10 | (_level)), _e, "../src/journal/journal-file.c", 1861, __func__ , "Failed to truncate file to its own size: %m") : -abs(_e); } ); |
| 1862 | } |
| 1863 | |
| 1864 | static int post_change_thunk(sd_event_source *timer, uint64_t usec, void *userdata) { |
| 1865 | assert(userdata)do { if ((__builtin_expect(!!(!(userdata)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("userdata"), "../src/journal/journal-file.c" , 1865, __PRETTY_FUNCTION__); } while (0); |
| 1866 | |
| 1867 | journal_file_post_change(userdata); |
| 1868 | |
| 1869 | return 1; |
| 1870 | } |
| 1871 | |
| 1872 | static void schedule_post_change(JournalFile *f) { |
| 1873 | sd_event_source *timer; |
| 1874 | int enabled, r; |
| 1875 | uint64_t now; |
| 1876 | |
| 1877 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1877 , __PRETTY_FUNCTION__); } while (0); |
| 1878 | assert(f->post_change_timer)do { if ((__builtin_expect(!!(!(f->post_change_timer)),0)) ) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("f->post_change_timer" ), "../src/journal/journal-file.c", 1878, __PRETTY_FUNCTION__ ); } while (0); |
| 1879 | |
| 1880 | timer = f->post_change_timer; |
| 1881 | |
| 1882 | r = sd_event_source_get_enabled(timer, &enabled); |
| 1883 | if (r < 0) { |
| 1884 | log_debug_errno(r, "Failed to get ftruncate timer state: %m")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1884, __func__, "Failed to get ftruncate timer state: %m" ) : -abs(_e); }); |
| 1885 | goto fail; |
| 1886 | } |
| 1887 | |
| 1888 | if (enabled == SD_EVENT_ONESHOT) |
| 1889 | return; |
| 1890 | |
| 1891 | r = sd_event_now(sd_event_source_get_event(timer), CLOCK_MONOTONIC1, &now); |
| 1892 | if (r < 0) { |
| 1893 | log_debug_errno(r, "Failed to get clock's now for scheduling ftruncate: %m")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1893, __func__, "Failed to get clock's now for scheduling ftruncate: %m" ) : -abs(_e); }); |
| 1894 | goto fail; |
| 1895 | } |
| 1896 | |
| 1897 | r = sd_event_source_set_time(timer, now+f->post_change_timer_period); |
| 1898 | if (r < 0) { |
| 1899 | log_debug_errno(r, "Failed to set time for scheduling ftruncate: %m")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1899, __func__, "Failed to set time for scheduling ftruncate: %m" ) : -abs(_e); }); |
| 1900 | goto fail; |
| 1901 | } |
| 1902 | |
| 1903 | r = sd_event_source_set_enabled(timer, SD_EVENT_ONESHOT); |
| 1904 | if (r < 0) { |
| 1905 | log_debug_errno(r, "Failed to enable scheduled ftruncate: %m")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1905, __func__, "Failed to enable scheduled ftruncate: %m" ) : -abs(_e); }); |
| 1906 | goto fail; |
| 1907 | } |
| 1908 | |
| 1909 | return; |
| 1910 | |
| 1911 | fail: |
| 1912 | /* On failure, let's simply post the change immediately. */ |
| 1913 | journal_file_post_change(f); |
| 1914 | } |
| 1915 | |
| 1916 | /* Enable coalesced change posting in a timer on the provided sd_event instance */ |
| 1917 | int journal_file_enable_post_change_timer(JournalFile *f, sd_event *e, usec_t t) { |
| 1918 | _cleanup_(sd_event_source_unrefp)__attribute__((cleanup(sd_event_source_unrefp))) sd_event_source *timer = NULL((void*)0); |
| 1919 | int r; |
| 1920 | |
| 1921 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1921 , __PRETTY_FUNCTION__); } while (0); |
| 1922 | assert_return(!f->post_change_timer, -EINVAL)do { if (!(((__builtin_expect(!!(!f->post_change_timer),1) )) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!f->post_change_timer"), "../src/journal/journal-file.c" , 1922, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); |
| 1923 | assert(e)do { if ((__builtin_expect(!!(!(e)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("e"), "../src/journal/journal-file.c", 1923 , __PRETTY_FUNCTION__); } while (0); |
| 1924 | assert(t)do { if ((__builtin_expect(!!(!(t)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("t"), "../src/journal/journal-file.c", 1924 , __PRETTY_FUNCTION__); } while (0); |
| 1925 | |
| 1926 | r = sd_event_add_time(e, &timer, CLOCK_MONOTONIC1, 0, 0, post_change_thunk, f); |
| 1927 | if (r < 0) |
| 1928 | return r; |
| 1929 | |
| 1930 | r = sd_event_source_set_enabled(timer, SD_EVENT_OFF); |
| 1931 | if (r < 0) |
| 1932 | return r; |
| 1933 | |
| 1934 | f->post_change_timer = TAKE_PTR(timer)({ typeof(timer) _ptr_ = (timer); (timer) = ((void*)0); _ptr_ ; }); |
| 1935 | f->post_change_timer_period = t; |
| 1936 | |
| 1937 | return r; |
| 1938 | } |
| 1939 | |
| 1940 | static int entry_item_cmp(const void *_a, const void *_b) { |
| 1941 | const EntryItem *a = _a, *b = _b; |
| 1942 | |
| 1943 | if (le64toh(a->object_offset) < le64toh(b->object_offset)) |
| 1944 | return -1; |
| 1945 | if (le64toh(a->object_offset) > le64toh(b->object_offset)) |
| 1946 | return 1; |
| 1947 | return 0; |
| 1948 | } |
| 1949 | |
| 1950 | int journal_file_append_entry( |
| 1951 | JournalFile *f, |
| 1952 | const dual_timestamp *ts, |
| 1953 | const sd_id128_t *boot_id, |
| 1954 | const struct iovec iovec[], unsigned n_iovec, |
| 1955 | uint64_t *seqnum, |
| 1956 | Object **ret, uint64_t *offset) { |
| 1957 | |
| 1958 | unsigned i; |
| 1959 | EntryItem *items; |
| 1960 | int r; |
| 1961 | uint64_t xor_hash = 0; |
| 1962 | struct dual_timestamp _ts; |
| 1963 | |
| 1964 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 1964 , __PRETTY_FUNCTION__); } while (0); |
| 1965 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 1965, __PRETTY_FUNCTION__); } while (0); |
| 1966 | assert(iovec || n_iovec == 0)do { if ((__builtin_expect(!!(!(iovec || n_iovec == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("iovec || n_iovec == 0"), "../src/journal/journal-file.c" , 1966, __PRETTY_FUNCTION__); } while (0); |
| 1967 | |
| 1968 | if (ts) { |
| 1969 | if (!VALID_REALTIME(ts->realtime)) { |
| 1970 | log_debug("Invalid realtime timestamp %"PRIu64", refusing entry.", ts->realtime)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1970, __func__, "Invalid realtime timestamp %" "l" "u"", refusing entry.", ts->realtime) : -abs(_e); }); |
| 1971 | return -EBADMSG74; |
| 1972 | } |
| 1973 | if (!VALID_MONOTONIC(ts->monotonic)) { |
| 1974 | log_debug("Invalid monotomic timestamp %"PRIu64", refusing entry.", ts->monotonic)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 1974, __func__, "Invalid monotomic timestamp %" "l" "u"", refusing entry.", ts->monotonic) : -abs(_e); }); |
| 1975 | return -EBADMSG74; |
| 1976 | } |
| 1977 | } else { |
| 1978 | dual_timestamp_get(&_ts); |
| 1979 | ts = &_ts; |
| 1980 | } |
| 1981 | |
| 1982 | #if HAVE_GCRYPT1 |
| 1983 | r = journal_file_maybe_append_tag(f, ts->realtime); |
| 1984 | if (r < 0) |
| 1985 | return r; |
| 1986 | #endif |
| 1987 | |
| 1988 | /* alloca() can't take 0, hence let's allocate at least one */ |
| 1989 | items = newa(EntryItem, MAX(1u, n_iovec))({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (EntryItem), __extension__ ({ const typeof((1u)) __unique_prefix_A28 = ((1u)); const typeof((n_iovec)) __unique_prefix_B29 = ((n_iovec )); __unique_prefix_A28 > __unique_prefix_B29 ? __unique_prefix_A28 : __unique_prefix_B29; })))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!size_multiply_overflow(sizeof(EntryItem), __extension__ ({ const typeof((1u)) __unique_prefix_A28 = ((1u)); const typeof((n_iovec)) __unique_prefix_B29 = ((n_iovec)); __unique_prefix_A28 > __unique_prefix_B29 ? __unique_prefix_A28 : __unique_prefix_B29; }))" ), "../src/journal/journal-file.c", 1989, __PRETTY_FUNCTION__ ); } while (0); (EntryItem*) __builtin_alloca (sizeof(EntryItem )*(__extension__ ({ const typeof((1u)) __unique_prefix_A28 = ( (1u)); const typeof((n_iovec)) __unique_prefix_B29 = ((n_iovec )); __unique_prefix_A28 > __unique_prefix_B29 ? __unique_prefix_A28 : __unique_prefix_B29; }))); }); |
| 1990 | |
| 1991 | for (i = 0; i < n_iovec; i++) { |
| 1992 | uint64_t p; |
| 1993 | Object *o; |
| 1994 | |
| 1995 | r = journal_file_append_data(f, iovec[i].iov_base, iovec[i].iov_len, &o, &p); |
| 1996 | if (r < 0) |
| 1997 | return r; |
| 1998 | |
| 1999 | xor_hash ^= le64toh(o->data.hash); |
| 2000 | items[i].object_offset = htole64(p); |
| 2001 | items[i].hash = o->data.hash; |
| 2002 | } |
| 2003 | |
| 2004 | /* Order by the position on disk, in order to improve seek |
| 2005 | * times for rotating media. */ |
| 2006 | qsort_safe(items, n_iovec, sizeof(EntryItem), entry_item_cmp); |
| 2007 | |
| 2008 | r = journal_file_append_entry_internal(f, ts, boot_id, xor_hash, items, n_iovec, seqnum, ret, offset); |
| 2009 | |
| 2010 | /* If the memory mapping triggered a SIGBUS then we return an |
| 2011 | * IO error and ignore the error code passed down to us, since |
| 2012 | * it is very likely just an effect of a nullified replacement |
| 2013 | * mapping page */ |
| 2014 | |
| 2015 | if (mmap_cache_got_sigbus(f->mmap, f->cache_fd)) |
| 2016 | r = -EIO5; |
| 2017 | |
| 2018 | if (f->post_change_timer) |
| 2019 | schedule_post_change(f); |
| 2020 | else |
| 2021 | journal_file_post_change(f); |
| 2022 | |
| 2023 | return r; |
| 2024 | } |
| 2025 | |
| 2026 | typedef struct ChainCacheItem { |
| 2027 | uint64_t first; /* the array at the beginning of the chain */ |
| 2028 | uint64_t array; /* the cached array */ |
| 2029 | uint64_t begin; /* the first item in the cached array */ |
| 2030 | uint64_t total; /* the total number of items in all arrays before this one in the chain */ |
| 2031 | uint64_t last_index; /* the last index we looked at, to optimize locality when bisecting */ |
| 2032 | } ChainCacheItem; |
| 2033 | |
| 2034 | static void chain_cache_put( |
| 2035 | OrderedHashmap *h, |
| 2036 | ChainCacheItem *ci, |
| 2037 | uint64_t first, |
| 2038 | uint64_t array, |
| 2039 | uint64_t begin, |
| 2040 | uint64_t total, |
| 2041 | uint64_t last_index) { |
| 2042 | |
| 2043 | if (!ci) { |
| 2044 | /* If the chain item to cache for this chain is the |
| 2045 | * first one it's not worth caching anything */ |
| 2046 | if (array == first) |
| 2047 | return; |
| 2048 | |
| 2049 | if (ordered_hashmap_size(h) >= CHAIN_CACHE_MAX20) { |
| 2050 | ci = ordered_hashmap_steal_first(h); |
| 2051 | assert(ci)do { if ((__builtin_expect(!!(!(ci)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ci"), "../src/journal/journal-file.c", 2051 , __PRETTY_FUNCTION__); } while (0); |
| 2052 | } else { |
| 2053 | ci = new(ChainCacheItem, 1)((ChainCacheItem*) malloc_multiply(sizeof(ChainCacheItem), (1 ))); |
| 2054 | if (!ci) |
| 2055 | return; |
| 2056 | } |
| 2057 | |
| 2058 | ci->first = first; |
| 2059 | |
| 2060 | if (ordered_hashmap_put(h, &ci->first, ci) < 0) { |
| 2061 | free(ci); |
| 2062 | return; |
| 2063 | } |
| 2064 | } else |
| 2065 | assert(ci->first == first)do { if ((__builtin_expect(!!(!(ci->first == first)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ci->first == first"), "../src/journal/journal-file.c" , 2065, __PRETTY_FUNCTION__); } while (0); |
| 2066 | |
| 2067 | ci->array = array; |
| 2068 | ci->begin = begin; |
| 2069 | ci->total = total; |
| 2070 | ci->last_index = last_index; |
| 2071 | } |
| 2072 | |
| 2073 | static int generic_array_get( |
| 2074 | JournalFile *f, |
| 2075 | uint64_t first, |
| 2076 | uint64_t i, |
| 2077 | Object **ret, uint64_t *offset) { |
| 2078 | |
| 2079 | Object *o; |
| 2080 | uint64_t p = 0, a, t = 0; |
| 2081 | int r; |
| 2082 | ChainCacheItem *ci; |
| 2083 | |
| 2084 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2084 , __PRETTY_FUNCTION__); } while (0); |
| 2085 | |
| 2086 | a = first; |
| 2087 | |
| 2088 | /* Try the chain cache first */ |
| 2089 | ci = ordered_hashmap_get(f->chain_cache, &first); |
| 2090 | if (ci && i > ci->total) { |
| 2091 | a = ci->array; |
| 2092 | i -= ci->total; |
| 2093 | t = ci->total; |
| 2094 | } |
| 2095 | |
| 2096 | while (a > 0) { |
| 2097 | uint64_t k; |
| 2098 | |
| 2099 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); |
| 2100 | if (r < 0) |
| 2101 | return r; |
| 2102 | |
| 2103 | k = journal_file_entry_array_n_items(o); |
| 2104 | if (i < k) { |
| 2105 | p = le64toh(o->entry_array.items[i]); |
| 2106 | goto found; |
| 2107 | } |
| 2108 | |
| 2109 | i -= k; |
| 2110 | t += k; |
| 2111 | a = le64toh(o->entry_array.next_entry_array_offset); |
| 2112 | } |
| 2113 | |
| 2114 | return 0; |
| 2115 | |
| 2116 | found: |
| 2117 | /* Let's cache this item for the next invocation */ |
| 2118 | chain_cache_put(f->chain_cache, ci, first, a, le64toh(o->entry_array.items[0]), t, i); |
| 2119 | |
| 2120 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); |
| 2121 | if (r < 0) |
| 2122 | return r; |
| 2123 | |
| 2124 | if (ret) |
| 2125 | *ret = o; |
| 2126 | |
| 2127 | if (offset) |
| 2128 | *offset = p; |
| 2129 | |
| 2130 | return 1; |
| 2131 | } |
| 2132 | |
| 2133 | static int generic_array_get_plus_one( |
| 2134 | JournalFile *f, |
| 2135 | uint64_t extra, |
| 2136 | uint64_t first, |
| 2137 | uint64_t i, |
| 2138 | Object **ret, uint64_t *offset) { |
| 2139 | |
| 2140 | Object *o; |
| 2141 | |
| 2142 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2142 , __PRETTY_FUNCTION__); } while (0); |
| 2143 | |
| 2144 | if (i == 0) { |
| 2145 | int r; |
| 2146 | |
| 2147 | r = journal_file_move_to_object(f, OBJECT_ENTRY, extra, &o); |
| 2148 | if (r < 0) |
| 2149 | return r; |
| 2150 | |
| 2151 | if (ret) |
| 2152 | *ret = o; |
| 2153 | |
| 2154 | if (offset) |
| 2155 | *offset = extra; |
| 2156 | |
| 2157 | return 1; |
| 2158 | } |
| 2159 | |
| 2160 | return generic_array_get(f, first, i-1, ret, offset); |
| 2161 | } |
| 2162 | |
| 2163 | enum { |
| 2164 | TEST_FOUND, |
| 2165 | TEST_LEFT, |
| 2166 | TEST_RIGHT |
| 2167 | }; |
| 2168 | |
| 2169 | static int generic_array_bisect( |
| 2170 | JournalFile *f, |
| 2171 | uint64_t first, |
| 2172 | uint64_t n, |
| 2173 | uint64_t needle, |
| 2174 | int (*test_object)(JournalFile *f, uint64_t p, uint64_t needle), |
| 2175 | direction_t direction, |
| 2176 | Object **ret, |
| 2177 | uint64_t *offset, |
| 2178 | uint64_t *idx) { |
| 2179 | |
| 2180 | uint64_t a, p, t = 0, i = 0, last_p = 0, last_index = (uint64_t) -1; |
| 2181 | bool_Bool subtract_one = false0; |
| 2182 | Object *o, *array = NULL((void*)0); |
| 2183 | int r; |
| 2184 | ChainCacheItem *ci; |
| 2185 | |
| 2186 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2186 , __PRETTY_FUNCTION__); } while (0); |
| 2187 | assert(test_object)do { if ((__builtin_expect(!!(!(test_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("test_object"), "../src/journal/journal-file.c" , 2187, __PRETTY_FUNCTION__); } while (0); |
| 2188 | |
| 2189 | /* Start with the first array in the chain */ |
| 2190 | a = first; |
| 2191 | |
| 2192 | ci = ordered_hashmap_get(f->chain_cache, &first); |
| 2193 | if (ci && n > ci->total && ci->begin != 0) { |
| 2194 | /* Ah, we have iterated this bisection array chain |
| 2195 | * previously! Let's see if we can skip ahead in the |
| 2196 | * chain, as far as the last time. But we can't jump |
| 2197 | * backwards in the chain, so let's check that |
| 2198 | * first. */ |
| 2199 | |
| 2200 | r = test_object(f, ci->begin, needle); |
| 2201 | if (r < 0) |
| 2202 | return r; |
| 2203 | |
| 2204 | if (r == TEST_LEFT) { |
| 2205 | /* OK, what we are looking for is right of the |
| 2206 | * begin of this EntryArray, so let's jump |
| 2207 | * straight to previously cached array in the |
| 2208 | * chain */ |
| 2209 | |
| 2210 | a = ci->array; |
| 2211 | n -= ci->total; |
| 2212 | t = ci->total; |
| 2213 | last_index = ci->last_index; |
| 2214 | } |
| 2215 | } |
| 2216 | |
| 2217 | while (a > 0) { |
| 2218 | uint64_t left, right, k, lp; |
| 2219 | |
| 2220 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &array); |
| 2221 | if (r < 0) |
| 2222 | return r; |
| 2223 | |
| 2224 | k = journal_file_entry_array_n_items(array); |
| 2225 | right = MIN(k, n)__extension__ ({ const typeof((k)) __unique_prefix_A30 = ((k) ); const typeof((n)) __unique_prefix_B31 = ((n)); __unique_prefix_A30 < __unique_prefix_B31 ? __unique_prefix_A30 : __unique_prefix_B31 ; }); |
| 2226 | if (right <= 0) |
| 2227 | return 0; |
| 2228 | |
| 2229 | i = right - 1; |
| 2230 | lp = p = le64toh(array->entry_array.items[i]); |
| 2231 | if (p <= 0) |
| 2232 | r = -EBADMSG74; |
| 2233 | else |
| 2234 | r = test_object(f, p, needle); |
| 2235 | if (r == -EBADMSG74) { |
| 2236 | log_debug_errno(r, "Encountered invalid entry while bisecting, cutting algorithm short. (1)")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2236, __func__, "Encountered invalid entry while bisecting, cutting algorithm short. (1)" ) : -abs(_e); }); |
| 2237 | n = i; |
| 2238 | continue; |
| 2239 | } |
| 2240 | if (r < 0) |
| 2241 | return r; |
| 2242 | |
| 2243 | if (r == TEST_FOUND) |
| 2244 | r = direction == DIRECTION_DOWN ? TEST_RIGHT : TEST_LEFT; |
| 2245 | |
| 2246 | if (r == TEST_RIGHT) { |
| 2247 | left = 0; |
| 2248 | right -= 1; |
| 2249 | |
| 2250 | if (last_index != (uint64_t) -1) { |
| 2251 | assert(last_index <= right)do { if ((__builtin_expect(!!(!(last_index <= right)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("last_index <= right" ), "../src/journal/journal-file.c", 2251, __PRETTY_FUNCTION__ ); } while (0); |
| 2252 | |
| 2253 | /* If we cached the last index we |
| 2254 | * looked at, let's try to not to jump |
| 2255 | * too wildly around and see if we can |
| 2256 | * limit the range to look at early to |
| 2257 | * the immediate neighbors of the last |
| 2258 | * index we looked at. */ |
| 2259 | |
| 2260 | if (last_index > 0) { |
| 2261 | uint64_t x = last_index - 1; |
| 2262 | |
| 2263 | p = le64toh(array->entry_array.items[x]); |
| 2264 | if (p <= 0) |
| 2265 | return -EBADMSG74; |
| 2266 | |
| 2267 | r = test_object(f, p, needle); |
| 2268 | if (r < 0) |
| 2269 | return r; |
| 2270 | |
| 2271 | if (r == TEST_FOUND) |
| 2272 | r = direction == DIRECTION_DOWN ? TEST_RIGHT : TEST_LEFT; |
| 2273 | |
| 2274 | if (r == TEST_RIGHT) |
| 2275 | right = x; |
| 2276 | else |
| 2277 | left = x + 1; |
| 2278 | } |
| 2279 | |
| 2280 | if (last_index < right) { |
| 2281 | uint64_t y = last_index + 1; |
| 2282 | |
| 2283 | p = le64toh(array->entry_array.items[y]); |
| 2284 | if (p <= 0) |
| 2285 | return -EBADMSG74; |
| 2286 | |
| 2287 | r = test_object(f, p, needle); |
| 2288 | if (r < 0) |
| 2289 | return r; |
| 2290 | |
| 2291 | if (r == TEST_FOUND) |
| 2292 | r = direction == DIRECTION_DOWN ? TEST_RIGHT : TEST_LEFT; |
| 2293 | |
| 2294 | if (r == TEST_RIGHT) |
| 2295 | right = y; |
| 2296 | else |
| 2297 | left = y + 1; |
| 2298 | } |
| 2299 | } |
| 2300 | |
| 2301 | for (;;) { |
| 2302 | if (left == right) { |
| 2303 | if (direction == DIRECTION_UP) |
| 2304 | subtract_one = true1; |
| 2305 | |
| 2306 | i = left; |
| 2307 | goto found; |
| 2308 | } |
| 2309 | |
| 2310 | assert(left < right)do { if ((__builtin_expect(!!(!(left < right)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("left < right"), "../src/journal/journal-file.c" , 2310, __PRETTY_FUNCTION__); } while (0); |
| 2311 | i = (left + right) / 2; |
| 2312 | |
| 2313 | p = le64toh(array->entry_array.items[i]); |
| 2314 | if (p <= 0) |
| 2315 | r = -EBADMSG74; |
| 2316 | else |
| 2317 | r = test_object(f, p, needle); |
| 2318 | if (r == -EBADMSG74) { |
| 2319 | log_debug_errno(r, "Encountered invalid entry while bisecting, cutting algorithm short. (2)")({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2319, __func__, "Encountered invalid entry while bisecting, cutting algorithm short. (2)" ) : -abs(_e); }); |
| 2320 | right = n = i; |
Although the value stored to 'n' is used in the enclosing expression, the value is never actually read from 'n' | |
| 2321 | continue; |
| 2322 | } |
| 2323 | if (r < 0) |
| 2324 | return r; |
| 2325 | |
| 2326 | if (r == TEST_FOUND) |
| 2327 | r = direction == DIRECTION_DOWN ? TEST_RIGHT : TEST_LEFT; |
| 2328 | |
| 2329 | if (r == TEST_RIGHT) |
| 2330 | right = i; |
| 2331 | else |
| 2332 | left = i + 1; |
| 2333 | } |
| 2334 | } |
| 2335 | |
| 2336 | if (k >= n) { |
| 2337 | if (direction == DIRECTION_UP) { |
| 2338 | i = n; |
| 2339 | subtract_one = true1; |
| 2340 | goto found; |
| 2341 | } |
| 2342 | |
| 2343 | return 0; |
| 2344 | } |
| 2345 | |
| 2346 | last_p = lp; |
| 2347 | |
| 2348 | n -= k; |
| 2349 | t += k; |
| 2350 | last_index = (uint64_t) -1; |
| 2351 | a = le64toh(array->entry_array.next_entry_array_offset); |
| 2352 | } |
| 2353 | |
| 2354 | return 0; |
| 2355 | |
| 2356 | found: |
| 2357 | if (subtract_one && t == 0 && i == 0) |
| 2358 | return 0; |
| 2359 | |
| 2360 | /* Let's cache this item for the next invocation */ |
| 2361 | chain_cache_put(f->chain_cache, ci, first, a, le64toh(array->entry_array.items[0]), t, subtract_one ? (i > 0 ? i-1 : (uint64_t) -1) : i); |
| 2362 | |
| 2363 | if (subtract_one && i == 0) |
| 2364 | p = last_p; |
| 2365 | else if (subtract_one) |
| 2366 | p = le64toh(array->entry_array.items[i-1]); |
| 2367 | else |
| 2368 | p = le64toh(array->entry_array.items[i]); |
| 2369 | |
| 2370 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); |
| 2371 | if (r < 0) |
| 2372 | return r; |
| 2373 | |
| 2374 | if (ret) |
| 2375 | *ret = o; |
| 2376 | |
| 2377 | if (offset) |
| 2378 | *offset = p; |
| 2379 | |
| 2380 | if (idx) |
| 2381 | *idx = t + i + (subtract_one ? -1 : 0); |
| 2382 | |
| 2383 | return 1; |
| 2384 | } |
| 2385 | |
| 2386 | static int generic_array_bisect_plus_one( |
| 2387 | JournalFile *f, |
| 2388 | uint64_t extra, |
| 2389 | uint64_t first, |
| 2390 | uint64_t n, |
| 2391 | uint64_t needle, |
| 2392 | int (*test_object)(JournalFile *f, uint64_t p, uint64_t needle), |
| 2393 | direction_t direction, |
| 2394 | Object **ret, |
| 2395 | uint64_t *offset, |
| 2396 | uint64_t *idx) { |
| 2397 | |
| 2398 | int r; |
| 2399 | bool_Bool step_back = false0; |
| 2400 | Object *o; |
| 2401 | |
| 2402 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2402 , __PRETTY_FUNCTION__); } while (0); |
| 2403 | assert(test_object)do { if ((__builtin_expect(!!(!(test_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("test_object"), "../src/journal/journal-file.c" , 2403, __PRETTY_FUNCTION__); } while (0); |
| 2404 | |
| 2405 | if (n <= 0) |
| 2406 | return 0; |
| 2407 | |
| 2408 | /* This bisects the array in object 'first', but first checks |
| 2409 | * an extra */ |
| 2410 | r = test_object(f, extra, needle); |
| 2411 | if (r < 0) |
| 2412 | return r; |
| 2413 | |
| 2414 | if (r == TEST_FOUND) |
| 2415 | r = direction == DIRECTION_DOWN ? TEST_RIGHT : TEST_LEFT; |
| 2416 | |
| 2417 | /* if we are looking with DIRECTION_UP then we need to first |
| 2418 | see if in the actual array there is a matching entry, and |
| 2419 | return the last one of that. But if there isn't any we need |
| 2420 | to return this one. Hence remember this, and return it |
| 2421 | below. */ |
| 2422 | if (r == TEST_LEFT) |
| 2423 | step_back = direction == DIRECTION_UP; |
| 2424 | |
| 2425 | if (r == TEST_RIGHT) { |
| 2426 | if (direction == DIRECTION_DOWN) |
| 2427 | goto found; |
| 2428 | else |
| 2429 | return 0; |
| 2430 | } |
| 2431 | |
| 2432 | r = generic_array_bisect(f, first, n-1, needle, test_object, direction, ret, offset, idx); |
| 2433 | |
| 2434 | if (r == 0 && step_back) |
| 2435 | goto found; |
| 2436 | |
| 2437 | if (r > 0 && idx) |
| 2438 | (*idx)++; |
| 2439 | |
| 2440 | return r; |
| 2441 | |
| 2442 | found: |
| 2443 | r = journal_file_move_to_object(f, OBJECT_ENTRY, extra, &o); |
| 2444 | if (r < 0) |
| 2445 | return r; |
| 2446 | |
| 2447 | if (ret) |
| 2448 | *ret = o; |
| 2449 | |
| 2450 | if (offset) |
| 2451 | *offset = extra; |
| 2452 | |
| 2453 | if (idx) |
| 2454 | *idx = 0; |
| 2455 | |
| 2456 | return 1; |
| 2457 | } |
| 2458 | |
| 2459 | _pure___attribute__ ((pure)) static int test_object_offset(JournalFile *f, uint64_t p, uint64_t needle) { |
| 2460 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2460 , __PRETTY_FUNCTION__); } while (0); |
| 2461 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 2461, __PRETTY_FUNCTION__); } while (0); |
| 2462 | |
| 2463 | if (p == needle) |
| 2464 | return TEST_FOUND; |
| 2465 | else if (p < needle) |
| 2466 | return TEST_LEFT; |
| 2467 | else |
| 2468 | return TEST_RIGHT; |
| 2469 | } |
| 2470 | |
| 2471 | static int test_object_seqnum(JournalFile *f, uint64_t p, uint64_t needle) { |
| 2472 | Object *o; |
| 2473 | int r; |
| 2474 | |
| 2475 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2475 , __PRETTY_FUNCTION__); } while (0); |
| 2476 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 2476, __PRETTY_FUNCTION__); } while (0); |
| 2477 | |
| 2478 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); |
| 2479 | if (r < 0) |
| 2480 | return r; |
| 2481 | |
| 2482 | if (le64toh(o->entry.seqnum) == needle) |
| 2483 | return TEST_FOUND; |
| 2484 | else if (le64toh(o->entry.seqnum) < needle) |
| 2485 | return TEST_LEFT; |
| 2486 | else |
| 2487 | return TEST_RIGHT; |
| 2488 | } |
| 2489 | |
| 2490 | int journal_file_move_to_entry_by_seqnum( |
| 2491 | JournalFile *f, |
| 2492 | uint64_t seqnum, |
| 2493 | direction_t direction, |
| 2494 | Object **ret, |
| 2495 | uint64_t *offset) { |
| 2496 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2496 , __PRETTY_FUNCTION__); } while (0); |
| 2497 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 2497, __PRETTY_FUNCTION__); } while (0); |
| 2498 | |
| 2499 | return generic_array_bisect(f, |
| 2500 | le64toh(f->header->entry_array_offset), |
| 2501 | le64toh(f->header->n_entries), |
| 2502 | seqnum, |
| 2503 | test_object_seqnum, |
| 2504 | direction, |
| 2505 | ret, offset, NULL((void*)0)); |
| 2506 | } |
| 2507 | |
| 2508 | static int test_object_realtime(JournalFile *f, uint64_t p, uint64_t needle) { |
| 2509 | Object *o; |
| 2510 | int r; |
| 2511 | |
| 2512 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2512 , __PRETTY_FUNCTION__); } while (0); |
| 2513 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 2513, __PRETTY_FUNCTION__); } while (0); |
| 2514 | |
| 2515 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); |
| 2516 | if (r < 0) |
| 2517 | return r; |
| 2518 | |
| 2519 | if (le64toh(o->entry.realtime) == needle) |
| 2520 | return TEST_FOUND; |
| 2521 | else if (le64toh(o->entry.realtime) < needle) |
| 2522 | return TEST_LEFT; |
| 2523 | else |
| 2524 | return TEST_RIGHT; |
| 2525 | } |
| 2526 | |
| 2527 | int journal_file_move_to_entry_by_realtime( |
| 2528 | JournalFile *f, |
| 2529 | uint64_t realtime, |
| 2530 | direction_t direction, |
| 2531 | Object **ret, |
| 2532 | uint64_t *offset) { |
| 2533 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2533 , __PRETTY_FUNCTION__); } while (0); |
| 2534 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 2534, __PRETTY_FUNCTION__); } while (0); |
| 2535 | |
| 2536 | return generic_array_bisect(f, |
| 2537 | le64toh(f->header->entry_array_offset), |
| 2538 | le64toh(f->header->n_entries), |
| 2539 | realtime, |
| 2540 | test_object_realtime, |
| 2541 | direction, |
| 2542 | ret, offset, NULL((void*)0)); |
| 2543 | } |
| 2544 | |
| 2545 | static int test_object_monotonic(JournalFile *f, uint64_t p, uint64_t needle) { |
| 2546 | Object *o; |
| 2547 | int r; |
| 2548 | |
| 2549 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2549 , __PRETTY_FUNCTION__); } while (0); |
| 2550 | assert(p > 0)do { if ((__builtin_expect(!!(!(p > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0"), "../src/journal/journal-file.c" , 2550, __PRETTY_FUNCTION__); } while (0); |
| 2551 | |
| 2552 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); |
| 2553 | if (r < 0) |
| 2554 | return r; |
| 2555 | |
| 2556 | if (le64toh(o->entry.monotonic) == needle) |
| 2557 | return TEST_FOUND; |
| 2558 | else if (le64toh(o->entry.monotonic) < needle) |
| 2559 | return TEST_LEFT; |
| 2560 | else |
| 2561 | return TEST_RIGHT; |
| 2562 | } |
| 2563 | |
| 2564 | static int find_data_object_by_boot_id( |
| 2565 | JournalFile *f, |
| 2566 | sd_id128_t boot_id, |
| 2567 | Object **o, |
| 2568 | uint64_t *b) { |
| 2569 | |
| 2570 | char t[STRLEN("_BOOT_ID=")(sizeof("""_BOOT_ID=""") - 1) + 32 + 1] = "_BOOT_ID="; |
| 2571 | |
| 2572 | sd_id128_to_string(boot_id, t + 9); |
| 2573 | return journal_file_find_data_object(f, t, sizeof(t) - 1, o, b); |
| 2574 | } |
| 2575 | |
| 2576 | int journal_file_move_to_entry_by_monotonic( |
| 2577 | JournalFile *f, |
| 2578 | sd_id128_t boot_id, |
| 2579 | uint64_t monotonic, |
| 2580 | direction_t direction, |
| 2581 | Object **ret, |
| 2582 | uint64_t *offset) { |
| 2583 | |
| 2584 | Object *o; |
| 2585 | int r; |
| 2586 | |
| 2587 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2587 , __PRETTY_FUNCTION__); } while (0); |
| 2588 | |
| 2589 | r = find_data_object_by_boot_id(f, boot_id, &o, NULL((void*)0)); |
| 2590 | if (r < 0) |
| 2591 | return r; |
| 2592 | if (r == 0) |
| 2593 | return -ENOENT2; |
| 2594 | |
| 2595 | return generic_array_bisect_plus_one(f, |
| 2596 | le64toh(o->data.entry_offset), |
| 2597 | le64toh(o->data.entry_array_offset), |
| 2598 | le64toh(o->data.n_entries), |
| 2599 | monotonic, |
| 2600 | test_object_monotonic, |
| 2601 | direction, |
| 2602 | ret, offset, NULL((void*)0)); |
| 2603 | } |
| 2604 | |
| 2605 | void journal_file_reset_location(JournalFile *f) { |
| 2606 | f->location_type = LOCATION_HEAD; |
| 2607 | f->current_offset = 0; |
| 2608 | f->current_seqnum = 0; |
| 2609 | f->current_realtime = 0; |
| 2610 | f->current_monotonic = 0; |
| 2611 | zero(f->current_boot_id)(({ size_t _l_ = (sizeof(f->current_boot_id)); void *_x_ = (&(f->current_boot_id)); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); })); |
| 2612 | f->current_xor_hash = 0; |
| 2613 | } |
| 2614 | |
| 2615 | void journal_file_save_location(JournalFile *f, Object *o, uint64_t offset) { |
| 2616 | f->location_type = LOCATION_SEEK; |
| 2617 | f->current_offset = offset; |
| 2618 | f->current_seqnum = le64toh(o->entry.seqnum); |
| 2619 | f->current_realtime = le64toh(o->entry.realtime); |
| 2620 | f->current_monotonic = le64toh(o->entry.monotonic); |
| 2621 | f->current_boot_id = o->entry.boot_id; |
| 2622 | f->current_xor_hash = le64toh(o->entry.xor_hash); |
| 2623 | } |
| 2624 | |
| 2625 | int journal_file_compare_locations(JournalFile *af, JournalFile *bf) { |
| 2626 | assert(af)do { if ((__builtin_expect(!!(!(af)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("af"), "../src/journal/journal-file.c", 2626 , __PRETTY_FUNCTION__); } while (0); |
| 2627 | assert(af->header)do { if ((__builtin_expect(!!(!(af->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("af->header"), "../src/journal/journal-file.c" , 2627, __PRETTY_FUNCTION__); } while (0); |
| 2628 | assert(bf)do { if ((__builtin_expect(!!(!(bf)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bf"), "../src/journal/journal-file.c", 2628 , __PRETTY_FUNCTION__); } while (0); |
| 2629 | assert(bf->header)do { if ((__builtin_expect(!!(!(bf->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bf->header"), "../src/journal/journal-file.c" , 2629, __PRETTY_FUNCTION__); } while (0); |
| 2630 | assert(af->location_type == LOCATION_SEEK)do { if ((__builtin_expect(!!(!(af->location_type == LOCATION_SEEK )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("af->location_type == LOCATION_SEEK" ), "../src/journal/journal-file.c", 2630, __PRETTY_FUNCTION__ ); } while (0); |
| 2631 | assert(bf->location_type == LOCATION_SEEK)do { if ((__builtin_expect(!!(!(bf->location_type == LOCATION_SEEK )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("bf->location_type == LOCATION_SEEK" ), "../src/journal/journal-file.c", 2631, __PRETTY_FUNCTION__ ); } while (0); |
| 2632 | |
| 2633 | /* If contents and timestamps match, these entries are |
| 2634 | * identical, even if the seqnum does not match */ |
| 2635 | if (sd_id128_equal(af->current_boot_id, bf->current_boot_id) && |
| 2636 | af->current_monotonic == bf->current_monotonic && |
| 2637 | af->current_realtime == bf->current_realtime && |
| 2638 | af->current_xor_hash == bf->current_xor_hash) |
| 2639 | return 0; |
| 2640 | |
| 2641 | if (sd_id128_equal(af->header->seqnum_id, bf->header->seqnum_id)) { |
| 2642 | |
| 2643 | /* If this is from the same seqnum source, compare |
| 2644 | * seqnums */ |
| 2645 | if (af->current_seqnum < bf->current_seqnum) |
| 2646 | return -1; |
| 2647 | if (af->current_seqnum > bf->current_seqnum) |
| 2648 | return 1; |
| 2649 | |
| 2650 | /* Wow! This is weird, different data but the same |
| 2651 | * seqnums? Something is borked, but let's make the |
| 2652 | * best of it and compare by time. */ |
| 2653 | } |
| 2654 | |
| 2655 | if (sd_id128_equal(af->current_boot_id, bf->current_boot_id)) { |
| 2656 | |
| 2657 | /* If the boot id matches, compare monotonic time */ |
| 2658 | if (af->current_monotonic < bf->current_monotonic) |
| 2659 | return -1; |
| 2660 | if (af->current_monotonic > bf->current_monotonic) |
| 2661 | return 1; |
| 2662 | } |
| 2663 | |
| 2664 | /* Otherwise, compare UTC time */ |
| 2665 | if (af->current_realtime < bf->current_realtime) |
| 2666 | return -1; |
| 2667 | if (af->current_realtime > bf->current_realtime) |
| 2668 | return 1; |
| 2669 | |
| 2670 | /* Finally, compare by contents */ |
| 2671 | if (af->current_xor_hash < bf->current_xor_hash) |
| 2672 | return -1; |
| 2673 | if (af->current_xor_hash > bf->current_xor_hash) |
| 2674 | return 1; |
| 2675 | |
| 2676 | return 0; |
| 2677 | } |
| 2678 | |
| 2679 | static int bump_array_index(uint64_t *i, direction_t direction, uint64_t n) { |
| 2680 | |
| 2681 | /* Increase or decrease the specified index, in the right direction. */ |
| 2682 | |
| 2683 | if (direction == DIRECTION_DOWN) { |
| 2684 | if (*i >= n - 1) |
| 2685 | return 0; |
| 2686 | |
| 2687 | (*i) ++; |
| 2688 | } else { |
| 2689 | if (*i <= 0) |
| 2690 | return 0; |
| 2691 | |
| 2692 | (*i) --; |
| 2693 | } |
| 2694 | |
| 2695 | return 1; |
| 2696 | } |
| 2697 | |
| 2698 | static bool_Bool check_properly_ordered(uint64_t new_offset, uint64_t old_offset, direction_t direction) { |
| 2699 | |
| 2700 | /* Consider it an error if any of the two offsets is uninitialized */ |
| 2701 | if (old_offset == 0 || new_offset == 0) |
| 2702 | return false0; |
| 2703 | |
| 2704 | /* If we go down, the new offset must be larger than the old one. */ |
| 2705 | return direction == DIRECTION_DOWN ? |
| 2706 | new_offset > old_offset : |
| 2707 | new_offset < old_offset; |
| 2708 | } |
| 2709 | |
| 2710 | int journal_file_next_entry( |
| 2711 | JournalFile *f, |
| 2712 | uint64_t p, |
| 2713 | direction_t direction, |
| 2714 | Object **ret, uint64_t *offset) { |
| 2715 | |
| 2716 | uint64_t i, n, ofs; |
| 2717 | int r; |
| 2718 | |
| 2719 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2719 , __PRETTY_FUNCTION__); } while (0); |
| 2720 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 2720, __PRETTY_FUNCTION__); } while (0); |
| 2721 | |
| 2722 | n = le64toh(f->header->n_entries); |
| 2723 | if (n <= 0) |
| 2724 | return 0; |
| 2725 | |
| 2726 | if (p == 0) |
| 2727 | i = direction == DIRECTION_DOWN ? 0 : n - 1; |
| 2728 | else { |
| 2729 | r = generic_array_bisect(f, |
| 2730 | le64toh(f->header->entry_array_offset), |
| 2731 | le64toh(f->header->n_entries), |
| 2732 | p, |
| 2733 | test_object_offset, |
| 2734 | DIRECTION_DOWN, |
| 2735 | NULL((void*)0), NULL((void*)0), |
| 2736 | &i); |
| 2737 | if (r <= 0) |
| 2738 | return r; |
| 2739 | |
| 2740 | r = bump_array_index(&i, direction, n); |
| 2741 | if (r <= 0) |
| 2742 | return r; |
| 2743 | } |
| 2744 | |
| 2745 | /* And jump to it */ |
| 2746 | for (;;) { |
| 2747 | r = generic_array_get(f, |
| 2748 | le64toh(f->header->entry_array_offset), |
| 2749 | i, |
| 2750 | ret, &ofs); |
| 2751 | if (r > 0) |
| 2752 | break; |
| 2753 | if (r != -EBADMSG74) |
| 2754 | return r; |
| 2755 | |
| 2756 | /* OK, so this entry is borked. Most likely some entry didn't get synced to disk properly, let's see if |
| 2757 | * the next one might work for us instead. */ |
| 2758 | log_debug_errno(r, "Entry item %" PRIu64 " is bad, skipping over it.", i)({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2758, __func__, "Entry item %" "l" "u" " is bad, skipping over it.", i) : -abs(_e); }); |
| 2759 | |
| 2760 | r = bump_array_index(&i, direction, n); |
| 2761 | if (r <= 0) |
| 2762 | return r; |
| 2763 | } |
| 2764 | |
| 2765 | /* Ensure our array is properly ordered. */ |
| 2766 | if (p > 0 && !check_properly_ordered(ofs, p, direction)) { |
| 2767 | log_debug("%s: entry array not properly ordered at entry %" PRIu64, f->path, i)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2767, __func__, "%s: entry array not properly ordered at entry %" "l" "u", f->path, i) : -abs(_e); }); |
| 2768 | return -EBADMSG74; |
| 2769 | } |
| 2770 | |
| 2771 | if (offset) |
| 2772 | *offset = ofs; |
| 2773 | |
| 2774 | return 1; |
| 2775 | } |
| 2776 | |
| 2777 | int journal_file_next_entry_for_data( |
| 2778 | JournalFile *f, |
| 2779 | Object *o, uint64_t p, |
| 2780 | uint64_t data_offset, |
| 2781 | direction_t direction, |
| 2782 | Object **ret, uint64_t *offset) { |
| 2783 | |
| 2784 | uint64_t i, n, ofs; |
| 2785 | Object *d; |
| 2786 | int r; |
| 2787 | |
| 2788 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2788 , __PRETTY_FUNCTION__); } while (0); |
| 2789 | assert(p > 0 || !o)do { if ((__builtin_expect(!!(!(p > 0 || !o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p > 0 || !o"), "../src/journal/journal-file.c" , 2789, __PRETTY_FUNCTION__); } while (0); |
| 2790 | |
| 2791 | r = journal_file_move_to_object(f, OBJECT_DATA, data_offset, &d); |
| 2792 | if (r < 0) |
| 2793 | return r; |
| 2794 | |
| 2795 | n = le64toh(d->data.n_entries); |
| 2796 | if (n <= 0) |
| 2797 | return n; |
| 2798 | |
| 2799 | if (!o) |
| 2800 | i = direction == DIRECTION_DOWN ? 0 : n - 1; |
| 2801 | else { |
| 2802 | if (o->object.type != OBJECT_ENTRY) |
| 2803 | return -EINVAL22; |
| 2804 | |
| 2805 | r = generic_array_bisect_plus_one(f, |
| 2806 | le64toh(d->data.entry_offset), |
| 2807 | le64toh(d->data.entry_array_offset), |
| 2808 | le64toh(d->data.n_entries), |
| 2809 | p, |
| 2810 | test_object_offset, |
| 2811 | DIRECTION_DOWN, |
| 2812 | NULL((void*)0), NULL((void*)0), |
| 2813 | &i); |
| 2814 | |
| 2815 | if (r <= 0) |
| 2816 | return r; |
| 2817 | |
| 2818 | r = bump_array_index(&i, direction, n); |
| 2819 | if (r <= 0) |
| 2820 | return r; |
| 2821 | } |
| 2822 | |
| 2823 | for (;;) { |
| 2824 | r = generic_array_get_plus_one(f, |
| 2825 | le64toh(d->data.entry_offset), |
| 2826 | le64toh(d->data.entry_array_offset), |
| 2827 | i, |
| 2828 | ret, &ofs); |
| 2829 | if (r > 0) |
| 2830 | break; |
| 2831 | if (r != -EBADMSG74) |
| 2832 | return r; |
| 2833 | |
| 2834 | log_debug_errno(r, "Data entry item %" PRIu64 " is bad, skipping over it.", i)({ int _level = ((7)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2834, __func__, "Data entry item %" "l" "u" " is bad, skipping over it.", i) : -abs(_e); }); |
| 2835 | |
| 2836 | r = bump_array_index(&i, direction, n); |
| 2837 | if (r <= 0) |
| 2838 | return r; |
| 2839 | } |
| 2840 | |
| 2841 | /* Ensure our array is properly ordered. */ |
| 2842 | if (p > 0 && check_properly_ordered(ofs, p, direction)) { |
| 2843 | log_debug("%s data entry array not properly ordered at entry %" PRIu64, f->path, i)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 2843, __func__, "%s data entry array not properly ordered at entry %" "l" "u", f->path, i) : -abs(_e); }); |
| 2844 | return -EBADMSG74; |
| 2845 | } |
| 2846 | |
| 2847 | if (offset) |
| 2848 | *offset = ofs; |
| 2849 | |
| 2850 | return 1; |
| 2851 | } |
| 2852 | |
| 2853 | int journal_file_move_to_entry_by_offset_for_data( |
| 2854 | JournalFile *f, |
| 2855 | uint64_t data_offset, |
| 2856 | uint64_t p, |
| 2857 | direction_t direction, |
| 2858 | Object **ret, uint64_t *offset) { |
| 2859 | |
| 2860 | int r; |
| 2861 | Object *d; |
| 2862 | |
| 2863 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2863 , __PRETTY_FUNCTION__); } while (0); |
| 2864 | |
| 2865 | r = journal_file_move_to_object(f, OBJECT_DATA, data_offset, &d); |
| 2866 | if (r < 0) |
| 2867 | return r; |
| 2868 | |
| 2869 | return generic_array_bisect_plus_one(f, |
| 2870 | le64toh(d->data.entry_offset), |
| 2871 | le64toh(d->data.entry_array_offset), |
| 2872 | le64toh(d->data.n_entries), |
| 2873 | p, |
| 2874 | test_object_offset, |
| 2875 | direction, |
| 2876 | ret, offset, NULL((void*)0)); |
| 2877 | } |
| 2878 | |
| 2879 | int journal_file_move_to_entry_by_monotonic_for_data( |
| 2880 | JournalFile *f, |
| 2881 | uint64_t data_offset, |
| 2882 | sd_id128_t boot_id, |
| 2883 | uint64_t monotonic, |
| 2884 | direction_t direction, |
| 2885 | Object **ret, uint64_t *offset) { |
| 2886 | |
| 2887 | Object *o, *d; |
| 2888 | int r; |
| 2889 | uint64_t b, z; |
| 2890 | |
| 2891 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2891 , __PRETTY_FUNCTION__); } while (0); |
| 2892 | |
| 2893 | /* First, seek by time */ |
| 2894 | r = find_data_object_by_boot_id(f, boot_id, &o, &b); |
| 2895 | if (r < 0) |
| 2896 | return r; |
| 2897 | if (r == 0) |
| 2898 | return -ENOENT2; |
| 2899 | |
| 2900 | r = generic_array_bisect_plus_one(f, |
| 2901 | le64toh(o->data.entry_offset), |
| 2902 | le64toh(o->data.entry_array_offset), |
| 2903 | le64toh(o->data.n_entries), |
| 2904 | monotonic, |
| 2905 | test_object_monotonic, |
| 2906 | direction, |
| 2907 | NULL((void*)0), &z, NULL((void*)0)); |
| 2908 | if (r <= 0) |
| 2909 | return r; |
| 2910 | |
| 2911 | /* And now, continue seeking until we find an entry that |
| 2912 | * exists in both bisection arrays */ |
| 2913 | |
| 2914 | for (;;) { |
| 2915 | Object *qo; |
| 2916 | uint64_t p, q; |
| 2917 | |
| 2918 | r = journal_file_move_to_object(f, OBJECT_DATA, data_offset, &d); |
| 2919 | if (r < 0) |
| 2920 | return r; |
| 2921 | |
| 2922 | r = generic_array_bisect_plus_one(f, |
| 2923 | le64toh(d->data.entry_offset), |
| 2924 | le64toh(d->data.entry_array_offset), |
| 2925 | le64toh(d->data.n_entries), |
| 2926 | z, |
| 2927 | test_object_offset, |
| 2928 | direction, |
| 2929 | NULL((void*)0), &p, NULL((void*)0)); |
| 2930 | if (r <= 0) |
| 2931 | return r; |
| 2932 | |
| 2933 | r = journal_file_move_to_object(f, OBJECT_DATA, b, &o); |
| 2934 | if (r < 0) |
| 2935 | return r; |
| 2936 | |
| 2937 | r = generic_array_bisect_plus_one(f, |
| 2938 | le64toh(o->data.entry_offset), |
| 2939 | le64toh(o->data.entry_array_offset), |
| 2940 | le64toh(o->data.n_entries), |
| 2941 | p, |
| 2942 | test_object_offset, |
| 2943 | direction, |
| 2944 | &qo, &q, NULL((void*)0)); |
| 2945 | |
| 2946 | if (r <= 0) |
| 2947 | return r; |
| 2948 | |
| 2949 | if (p == q) { |
| 2950 | if (ret) |
| 2951 | *ret = qo; |
| 2952 | if (offset) |
| 2953 | *offset = q; |
| 2954 | |
| 2955 | return 1; |
| 2956 | } |
| 2957 | |
| 2958 | z = q; |
| 2959 | } |
| 2960 | } |
| 2961 | |
| 2962 | int journal_file_move_to_entry_by_seqnum_for_data( |
| 2963 | JournalFile *f, |
| 2964 | uint64_t data_offset, |
| 2965 | uint64_t seqnum, |
| 2966 | direction_t direction, |
| 2967 | Object **ret, uint64_t *offset) { |
| 2968 | |
| 2969 | Object *d; |
| 2970 | int r; |
| 2971 | |
| 2972 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2972 , __PRETTY_FUNCTION__); } while (0); |
| 2973 | |
| 2974 | r = journal_file_move_to_object(f, OBJECT_DATA, data_offset, &d); |
| 2975 | if (r < 0) |
| 2976 | return r; |
| 2977 | |
| 2978 | return generic_array_bisect_plus_one(f, |
| 2979 | le64toh(d->data.entry_offset), |
| 2980 | le64toh(d->data.entry_array_offset), |
| 2981 | le64toh(d->data.n_entries), |
| 2982 | seqnum, |
| 2983 | test_object_seqnum, |
| 2984 | direction, |
| 2985 | ret, offset, NULL((void*)0)); |
| 2986 | } |
| 2987 | |
| 2988 | int journal_file_move_to_entry_by_realtime_for_data( |
| 2989 | JournalFile *f, |
| 2990 | uint64_t data_offset, |
| 2991 | uint64_t realtime, |
| 2992 | direction_t direction, |
| 2993 | Object **ret, uint64_t *offset) { |
| 2994 | |
| 2995 | Object *d; |
| 2996 | int r; |
| 2997 | |
| 2998 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 2998 , __PRETTY_FUNCTION__); } while (0); |
| 2999 | |
| 3000 | r = journal_file_move_to_object(f, OBJECT_DATA, data_offset, &d); |
| 3001 | if (r < 0) |
| 3002 | return r; |
| 3003 | |
| 3004 | return generic_array_bisect_plus_one(f, |
| 3005 | le64toh(d->data.entry_offset), |
| 3006 | le64toh(d->data.entry_array_offset), |
| 3007 | le64toh(d->data.n_entries), |
| 3008 | realtime, |
| 3009 | test_object_realtime, |
| 3010 | direction, |
| 3011 | ret, offset, NULL((void*)0)); |
| 3012 | } |
| 3013 | |
| 3014 | void journal_file_dump(JournalFile *f) { |
| 3015 | Object *o; |
| 3016 | int r; |
| 3017 | uint64_t p; |
| 3018 | |
| 3019 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3019 , __PRETTY_FUNCTION__); } while (0); |
| 3020 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 3020, __PRETTY_FUNCTION__); } while (0); |
| 3021 | |
| 3022 | journal_file_print_header(f); |
| 3023 | |
| 3024 | p = le64toh(f->header->header_size); |
| 3025 | while (p != 0) { |
| 3026 | r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o); |
| 3027 | if (r < 0) |
| 3028 | goto fail; |
| 3029 | |
| 3030 | switch (o->object.type) { |
| 3031 | |
| 3032 | case OBJECT_UNUSED: |
| 3033 | printf("Type: OBJECT_UNUSED\n"); |
| 3034 | break; |
| 3035 | |
| 3036 | case OBJECT_DATA: |
| 3037 | printf("Type: OBJECT_DATA\n"); |
| 3038 | break; |
| 3039 | |
| 3040 | case OBJECT_FIELD: |
| 3041 | printf("Type: OBJECT_FIELD\n"); |
| 3042 | break; |
| 3043 | |
| 3044 | case OBJECT_ENTRY: |
| 3045 | printf("Type: OBJECT_ENTRY seqnum=%"PRIu64"l" "u"" monotonic=%"PRIu64"l" "u"" realtime=%"PRIu64"l" "u""\n", |
| 3046 | le64toh(o->entry.seqnum), |
| 3047 | le64toh(o->entry.monotonic), |
| 3048 | le64toh(o->entry.realtime)); |
| 3049 | break; |
| 3050 | |
| 3051 | case OBJECT_FIELD_HASH_TABLE: |
| 3052 | printf("Type: OBJECT_FIELD_HASH_TABLE\n"); |
| 3053 | break; |
| 3054 | |
| 3055 | case OBJECT_DATA_HASH_TABLE: |
| 3056 | printf("Type: OBJECT_DATA_HASH_TABLE\n"); |
| 3057 | break; |
| 3058 | |
| 3059 | case OBJECT_ENTRY_ARRAY: |
| 3060 | printf("Type: OBJECT_ENTRY_ARRAY\n"); |
| 3061 | break; |
| 3062 | |
| 3063 | case OBJECT_TAG: |
| 3064 | printf("Type: OBJECT_TAG seqnum=%"PRIu64"l" "u"" epoch=%"PRIu64"l" "u""\n", |
| 3065 | le64toh(o->tag.seqnum), |
| 3066 | le64toh(o->tag.epoch)); |
| 3067 | break; |
| 3068 | |
| 3069 | default: |
| 3070 | printf("Type: unknown (%i)\n", o->object.type); |
| 3071 | break; |
| 3072 | } |
| 3073 | |
| 3074 | if (o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4)) |
| 3075 | printf("Flags: %s\n", |
| 3076 | object_compressed_to_string(o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4))); |
| 3077 | |
| 3078 | if (p == le64toh(f->header->tail_object_offset)) |
| 3079 | p = 0; |
| 3080 | else |
| 3081 | p = p + ALIGN64(le64toh(o->object.size))(((le64toh(o->object.size)) + 7ULL) & ~7ULL); |
| 3082 | } |
| 3083 | |
| 3084 | return; |
| 3085 | fail: |
| 3086 | log_error("File corrupt")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3086, __func__, "File corrupt" ) : -abs(_e); }); |
| 3087 | } |
| 3088 | |
| 3089 | static const char* format_timestamp_safe(char *buf, size_t l, usec_t t) { |
| 3090 | const char *x; |
| 3091 | |
| 3092 | x = format_timestamp(buf, l, t); |
| 3093 | if (x) |
| 3094 | return x; |
| 3095 | return " --- "; |
| 3096 | } |
| 3097 | |
| 3098 | void journal_file_print_header(JournalFile *f) { |
| 3099 | char a[33], b[33], c[33], d[33]; |
| 3100 | char x[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], y[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], z[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)]; |
| 3101 | struct stat st; |
| 3102 | char bytes[FORMAT_BYTES_MAX8]; |
| 3103 | |
| 3104 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3104 , __PRETTY_FUNCTION__); } while (0); |
| 3105 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 3105, __PRETTY_FUNCTION__); } while (0); |
| 3106 | |
| 3107 | printf("File Path: %s\n" |
| 3108 | "File ID: %s\n" |
| 3109 | "Machine ID: %s\n" |
| 3110 | "Boot ID: %s\n" |
| 3111 | "Sequential Number ID: %s\n" |
| 3112 | "State: %s\n" |
| 3113 | "Compatible Flags:%s%s\n" |
| 3114 | "Incompatible Flags:%s%s%s\n" |
| 3115 | "Header size: %"PRIu64"l" "u""\n" |
| 3116 | "Arena size: %"PRIu64"l" "u""\n" |
| 3117 | "Data Hash Table Size: %"PRIu64"l" "u""\n" |
| 3118 | "Field Hash Table Size: %"PRIu64"l" "u""\n" |
| 3119 | "Rotate Suggested: %s\n" |
| 3120 | "Head Sequential Number: %"PRIu64"l" "u"" (%"PRIx64"l" "x"")\n" |
| 3121 | "Tail Sequential Number: %"PRIu64"l" "u"" (%"PRIx64"l" "x"")\n" |
| 3122 | "Head Realtime Timestamp: %s (%"PRIx64"l" "x"")\n" |
| 3123 | "Tail Realtime Timestamp: %s (%"PRIx64"l" "x"")\n" |
| 3124 | "Tail Monotonic Timestamp: %s (%"PRIx64"l" "x"")\n" |
| 3125 | "Objects: %"PRIu64"l" "u""\n" |
| 3126 | "Entry Objects: %"PRIu64"l" "u""\n", |
| 3127 | f->path, |
| 3128 | sd_id128_to_string(f->header->file_id, a), |
| 3129 | sd_id128_to_string(f->header->machine_id, b), |
| 3130 | sd_id128_to_string(f->header->boot_id, c), |
| 3131 | sd_id128_to_string(f->header->seqnum_id, d), |
| 3132 | f->header->state == STATE_OFFLINE ? "OFFLINE" : |
| 3133 | f->header->state == STATE_ONLINE ? "ONLINE" : |
| 3134 | f->header->state == STATE_ARCHIVED ? "ARCHIVED" : "UNKNOWN", |
| 3135 | JOURNAL_HEADER_SEALED(f->header)(!!(le32toh((f->header)->compatible_flags) & HEADER_COMPATIBLE_SEALED )) ? " SEALED" : "", |
| 3136 | (le32toh(f->header->compatible_flags) & ~HEADER_COMPATIBLE_ANYHEADER_COMPATIBLE_SEALED) ? " ???" : "", |
| 3137 | JOURNAL_HEADER_COMPRESSED_XZ(f->header)(!!(le32toh((f->header)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED_XZ )) ? " COMPRESSED-XZ" : "", |
| 3138 | JOURNAL_HEADER_COMPRESSED_LZ4(f->header)(!!(le32toh((f->header)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED_LZ4 )) ? " COMPRESSED-LZ4" : "", |
| 3139 | (le32toh(f->header->incompatible_flags) & ~HEADER_INCOMPATIBLE_ANY(HEADER_INCOMPATIBLE_COMPRESSED_XZ|HEADER_INCOMPATIBLE_COMPRESSED_LZ4 )) ? " ???" : "", |
| 3140 | le64toh(f->header->header_size), |
| 3141 | le64toh(f->header->arena_size), |
| 3142 | le64toh(f->header->data_hash_table_size) / sizeof(HashItem), |
| 3143 | le64toh(f->header->field_hash_table_size) / sizeof(HashItem), |
| 3144 | yes_no(journal_file_rotate_suggested(f, 0)), |
| 3145 | le64toh(f->header->head_entry_seqnum), le64toh(f->header->head_entry_seqnum), |
| 3146 | le64toh(f->header->tail_entry_seqnum), le64toh(f->header->tail_entry_seqnum), |
| 3147 | format_timestamp_safe(x, sizeof(x), le64toh(f->header->head_entry_realtime)), le64toh(f->header->head_entry_realtime), |
| 3148 | format_timestamp_safe(y, sizeof(y), le64toh(f->header->tail_entry_realtime)), le64toh(f->header->tail_entry_realtime), |
| 3149 | format_timespan(z, sizeof(z), le64toh(f->header->tail_entry_monotonic), USEC_PER_MSEC((usec_t) 1000ULL)), le64toh(f->header->tail_entry_monotonic), |
| 3150 | le64toh(f->header->n_objects), |
| 3151 | le64toh(f->header->n_entries)); |
| 3152 | |
| 3153 | if (JOURNAL_HEADER_CONTAINS(f->header, n_data)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_data) + sizeof((f->header)->n_data))) |
| 3154 | printf("Data Objects: %"PRIu64"l" "u""\n" |
| 3155 | "Data Hash Table Fill: %.1f%%\n", |
| 3156 | le64toh(f->header->n_data), |
| 3157 | 100.0 * (double) le64toh(f->header->n_data) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem)))); |
| 3158 | |
| 3159 | if (JOURNAL_HEADER_CONTAINS(f->header, n_fields)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_fields) + sizeof((f->header)->n_fields))) |
| 3160 | printf("Field Objects: %"PRIu64"l" "u""\n" |
| 3161 | "Field Hash Table Fill: %.1f%%\n", |
| 3162 | le64toh(f->header->n_fields), |
| 3163 | 100.0 * (double) le64toh(f->header->n_fields) / ((double) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem)))); |
| 3164 | |
| 3165 | if (JOURNAL_HEADER_CONTAINS(f->header, n_tags)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_tags) + sizeof((f->header)->n_tags))) |
| 3166 | printf("Tag Objects: %"PRIu64"l" "u""\n", |
| 3167 | le64toh(f->header->n_tags)); |
| 3168 | if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_entry_arrays) + sizeof((f->header)->n_entry_arrays ))) |
| 3169 | printf("Entry Array Objects: %"PRIu64"l" "u""\n", |
| 3170 | le64toh(f->header->n_entry_arrays)); |
| 3171 | |
| 3172 | if (fstat(f->fd, &st) >= 0) |
| 3173 | printf("Disk usage: %s\n", format_bytes(bytes, sizeof(bytes), (uint64_t) st.st_blocks * 512ULL)); |
| 3174 | } |
| 3175 | |
| 3176 | static int journal_file_warn_btrfs(JournalFile *f) { |
| 3177 | unsigned attrs; |
| 3178 | int r; |
| 3179 | |
| 3180 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3180 , __PRETTY_FUNCTION__); } while (0); |
| 3181 | |
| 3182 | /* Before we write anything, check if the COW logic is turned |
| 3183 | * off on btrfs. Given our write pattern that is quite |
| 3184 | * unfriendly to COW file systems this should greatly improve |
| 3185 | * performance on COW file systems, such as btrfs, at the |
| 3186 | * expense of data integrity features (which shouldn't be too |
| 3187 | * bad, given that we do our own checksumming). */ |
| 3188 | |
| 3189 | r = btrfs_is_filesystem(f->fd); |
| 3190 | if (r < 0) |
| 3191 | return log_warning_errno(r, "Failed to determine if journal is on btrfs: %m")({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3191, __func__, "Failed to determine if journal is on btrfs: %m" ) : -abs(_e); }); |
| 3192 | if (!r) |
| 3193 | return 0; |
| 3194 | |
| 3195 | r = read_attr_fd(f->fd, &attrs); |
| 3196 | if (r < 0) |
| 3197 | return log_warning_errno(r, "Failed to read file attributes: %m")({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3197, __func__, "Failed to read file attributes: %m" ) : -abs(_e); }); |
| 3198 | |
| 3199 | if (attrs & FS_NOCOW_FL0x00800000) { |
| 3200 | log_debug("Detected btrfs file system with copy-on-write disabled, all is good.")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3200, __func__, "Detected btrfs file system with copy-on-write disabled, all is good." ) : -abs(_e); }); |
| 3201 | return 0; |
| 3202 | } |
| 3203 | |
| 3204 | log_notice("Creating journal file %s on a btrfs file system, and copy-on-write is enabled. "({ int _level = (((5))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3206, __func__, "Creating journal file %s on a btrfs file system, and copy-on-write is enabled. " "This is likely to slow down journal access substantially, please consider turning " "off the copy-on-write file attribute on the journal directory, using chattr +C." , f->path) : -abs(_e); }) |
| 3205 | "This is likely to slow down journal access substantially, please consider turning "({ int _level = (((5))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3206, __func__, "Creating journal file %s on a btrfs file system, and copy-on-write is enabled. " "This is likely to slow down journal access substantially, please consider turning " "off the copy-on-write file attribute on the journal directory, using chattr +C." , f->path) : -abs(_e); }) |
| 3206 | "off the copy-on-write file attribute on the journal directory, using chattr +C.", f->path)({ int _level = (((5))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3206, __func__, "Creating journal file %s on a btrfs file system, and copy-on-write is enabled. " "This is likely to slow down journal access substantially, please consider turning " "off the copy-on-write file attribute on the journal directory, using chattr +C." , f->path) : -abs(_e); }); |
| 3207 | |
| 3208 | return 1; |
| 3209 | } |
| 3210 | |
| 3211 | int journal_file_open( |
| 3212 | int fd, |
| 3213 | const char *fname, |
| 3214 | int flags, |
| 3215 | mode_t mode, |
| 3216 | bool_Bool compress, |
| 3217 | uint64_t compress_threshold_bytes, |
| 3218 | bool_Bool seal, |
| 3219 | JournalMetrics *metrics, |
| 3220 | MMapCache *mmap_cache, |
| 3221 | Set *deferred_closes, |
| 3222 | JournalFile *template, |
| 3223 | JournalFile **ret) { |
| 3224 | |
| 3225 | bool_Bool newly_created = false0; |
| 3226 | JournalFile *f; |
| 3227 | void *h; |
| 3228 | int r; |
| 3229 | char bytes[FORMAT_BYTES_MAX8]; |
| 3230 | |
| 3231 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/journal/journal-file.c", 3231, __PRETTY_FUNCTION__); } while (0); |
| 3232 | assert(fd >= 0 || fname)do { if ((__builtin_expect(!!(!(fd >= 0 || fname)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fd >= 0 || fname"), "../src/journal/journal-file.c" , 3232, __PRETTY_FUNCTION__); } while (0); |
| 3233 | |
| 3234 | if (!IN_SET((flags & O_ACCMODE), O_RDONLY, O_RDWR)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){00, 02})/sizeof(int)]; switch((flags & 0003)) { case 00: case 02: _found = 1; break; default: break ; } _found; })) |
| 3235 | return -EINVAL22; |
| 3236 | |
| 3237 | if (fname && (flags & O_CREAT0100) && !endswith(fname, ".journal")) |
| 3238 | return -EINVAL22; |
| 3239 | |
| 3240 | f = new0(JournalFile, 1)((JournalFile*) calloc((1), sizeof(JournalFile))); |
| 3241 | if (!f) |
| 3242 | return -ENOMEM12; |
| 3243 | |
| 3244 | f->fd = fd; |
| 3245 | f->mode = mode; |
| 3246 | |
| 3247 | f->flags = flags; |
| 3248 | f->prot = prot_from_flags(flags); |
| 3249 | f->writable = (flags & O_ACCMODE0003) != O_RDONLY00; |
| 3250 | #if HAVE_LZ41 |
| 3251 | f->compress_lz4 = compress; |
| 3252 | #elif HAVE_XZ1 |
| 3253 | f->compress_xz = compress; |
| 3254 | #endif |
| 3255 | |
| 3256 | if (compress_threshold_bytes == (uint64_t) -1) |
| 3257 | f->compress_threshold_bytes = DEFAULT_COMPRESS_THRESHOLD(512ULL); |
| 3258 | else |
| 3259 | f->compress_threshold_bytes = MAX(MIN_COMPRESS_THRESHOLD, compress_threshold_bytes)__extension__ ({ const typeof(((8ULL))) __unique_prefix_A32 = (((8ULL))); const typeof((compress_threshold_bytes)) __unique_prefix_B33 = ((compress_threshold_bytes)); __unique_prefix_A32 > __unique_prefix_B33 ? __unique_prefix_A32 : __unique_prefix_B33; }); |
| 3260 | |
| 3261 | #if HAVE_GCRYPT1 |
| 3262 | f->seal = seal; |
| 3263 | #endif |
| 3264 | |
| 3265 | log_debug("Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3267, __func__, "Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s" , yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)), format_bytes (bytes, sizeof(bytes), f->compress_threshold_bytes)) : -abs (_e); }) |
| 3266 | yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3267, __func__, "Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s" , yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)), format_bytes (bytes, sizeof(bytes), f->compress_threshold_bytes)) : -abs (_e); }) |
| 3267 | format_bytes(bytes, sizeof(bytes), f->compress_threshold_bytes))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3267, __func__, "Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s" , yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)), format_bytes (bytes, sizeof(bytes), f->compress_threshold_bytes)) : -abs (_e); }); |
| 3268 | |
| 3269 | if (mmap_cache) |
| 3270 | f->mmap = mmap_cache_ref(mmap_cache); |
| 3271 | else { |
| 3272 | f->mmap = mmap_cache_new(); |
| 3273 | if (!f->mmap) { |
| 3274 | r = -ENOMEM12; |
| 3275 | goto fail; |
| 3276 | } |
| 3277 | } |
| 3278 | |
| 3279 | if (fname) { |
| 3280 | f->path = strdup(fname); |
| 3281 | if (!f->path) { |
| 3282 | r = -ENOMEM12; |
| 3283 | goto fail; |
| 3284 | } |
| 3285 | } else { |
| 3286 | assert(fd >= 0)do { if ((__builtin_expect(!!(!(fd >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fd >= 0"), "../src/journal/journal-file.c" , 3286, __PRETTY_FUNCTION__); } while (0); |
| 3287 | |
| 3288 | /* If we don't know the path, fill in something explanatory and vaguely useful */ |
| 3289 | if (asprintf(&f->path, "/proc/self/%i", fd) < 0) { |
| 3290 | r = -ENOMEM12; |
| 3291 | goto fail; |
| 3292 | } |
| 3293 | } |
| 3294 | |
| 3295 | f->chain_cache = ordered_hashmap_new(&uint64_hash_ops)internal_ordered_hashmap_new(&uint64_hash_ops ); |
| 3296 | if (!f->chain_cache) { |
| 3297 | r = -ENOMEM12; |
| 3298 | goto fail; |
| 3299 | } |
| 3300 | |
| 3301 | if (f->fd < 0) { |
| 3302 | /* We pass O_NONBLOCK here, so that in case somebody pointed us to some character device node or FIFO |
| 3303 | * or so, we likely fail quickly than block for long. For regular files O_NONBLOCK has no effect, hence |
| 3304 | * it doesn't hurt in that case. */ |
| 3305 | |
| 3306 | f->fd = open(f->path, f->flags|O_CLOEXEC02000000|O_NONBLOCK04000, f->mode); |
| 3307 | if (f->fd < 0) { |
| 3308 | r = -errno(*__errno_location ()); |
| 3309 | goto fail; |
| 3310 | } |
| 3311 | |
| 3312 | /* fds we opened here by us should also be closed by us. */ |
| 3313 | f->close_fd = true1; |
| 3314 | |
| 3315 | r = fd_nonblock(f->fd, false0); |
| 3316 | if (r < 0) |
| 3317 | goto fail; |
| 3318 | } |
| 3319 | |
| 3320 | f->cache_fd = mmap_cache_add_fd(f->mmap, f->fd); |
| 3321 | if (!f->cache_fd) { |
| 3322 | r = -ENOMEM12; |
| 3323 | goto fail; |
| 3324 | } |
| 3325 | |
| 3326 | r = journal_file_fstat(f); |
| 3327 | if (r < 0) |
| 3328 | goto fail; |
| 3329 | |
| 3330 | if (f->last_stat.st_size == 0 && f->writable) { |
| 3331 | |
| 3332 | (void) journal_file_warn_btrfs(f); |
| 3333 | |
| 3334 | /* Let's attach the creation time to the journal file, so that the vacuuming code knows the age of this |
| 3335 | * file even if the file might end up corrupted one day... Ideally we'd just use the creation time many |
| 3336 | * file systems maintain for each file, but the API to query this is very new, hence let's emulate this |
| 3337 | * via extended attributes. If extended attributes are not supported we'll just skip this, and rely |
| 3338 | * solely on mtime/atime/ctime of the file. */ |
| 3339 | (void) fd_setcrtime(f->fd, 0); |
| 3340 | |
| 3341 | #if HAVE_GCRYPT1 |
| 3342 | /* Try to load the FSPRG state, and if we can't, then |
| 3343 | * just don't do sealing */ |
| 3344 | if (f->seal) { |
| 3345 | r = journal_file_fss_load(f); |
| 3346 | if (r < 0) |
| 3347 | f->seal = false0; |
| 3348 | } |
| 3349 | #endif |
| 3350 | |
| 3351 | r = journal_file_init_header(f, template); |
| 3352 | if (r < 0) |
| 3353 | goto fail; |
| 3354 | |
| 3355 | r = journal_file_fstat(f); |
| 3356 | if (r < 0) |
| 3357 | goto fail; |
| 3358 | |
| 3359 | newly_created = true1; |
| 3360 | } |
| 3361 | |
| 3362 | if (f->last_stat.st_size < (off_t) HEADER_SIZE_MIN(((__builtin_offsetof(Header, n_data)) + 7ULL) & ~7ULL)) { |
| 3363 | r = -ENODATA61; |
| 3364 | goto fail; |
| 3365 | } |
| 3366 | |
| 3367 | r = mmap_cache_get(f->mmap, f->cache_fd, f->prot, CONTEXT_HEADER_OBJECT_TYPE_MAX, true1, 0, PAGE_ALIGN(sizeof(Header))ALIGN_TO((sizeof(Header)), page_size()), &f->last_stat, &h, NULL((void*)0)); |
| 3368 | if (r < 0) |
| 3369 | goto fail; |
| 3370 | |
| 3371 | f->header = h; |
| 3372 | |
| 3373 | if (!newly_created) { |
| 3374 | set_clear_with_destructor(deferred_closes, journal_file_close)({ void *_item; while ((_item = set_steal_first(deferred_closes ))) journal_file_close(_item); }); |
| 3375 | |
| 3376 | r = journal_file_verify_header(f); |
| 3377 | if (r < 0) |
| 3378 | goto fail; |
| 3379 | } |
| 3380 | |
| 3381 | #if HAVE_GCRYPT1 |
| 3382 | if (!newly_created && f->writable) { |
| 3383 | r = journal_file_fss_load(f); |
| 3384 | if (r < 0) |
| 3385 | goto fail; |
| 3386 | } |
| 3387 | #endif |
| 3388 | |
| 3389 | if (f->writable) { |
| 3390 | if (metrics) { |
| 3391 | journal_default_metrics(metrics, f->fd); |
| 3392 | f->metrics = *metrics; |
| 3393 | } else if (template) |
| 3394 | f->metrics = template->metrics; |
| 3395 | |
| 3396 | r = journal_file_refresh_header(f); |
| 3397 | if (r < 0) |
| 3398 | goto fail; |
| 3399 | } |
| 3400 | |
| 3401 | #if HAVE_GCRYPT1 |
| 3402 | r = journal_file_hmac_setup(f); |
| 3403 | if (r < 0) |
| 3404 | goto fail; |
| 3405 | #endif |
| 3406 | |
| 3407 | if (newly_created) { |
| 3408 | r = journal_file_setup_field_hash_table(f); |
| 3409 | if (r < 0) |
| 3410 | goto fail; |
| 3411 | |
| 3412 | r = journal_file_setup_data_hash_table(f); |
| 3413 | if (r < 0) |
| 3414 | goto fail; |
| 3415 | |
| 3416 | #if HAVE_GCRYPT1 |
| 3417 | r = journal_file_append_first_tag(f); |
| 3418 | if (r < 0) |
| 3419 | goto fail; |
| 3420 | #endif |
| 3421 | } |
| 3422 | |
| 3423 | if (mmap_cache_got_sigbus(f->mmap, f->cache_fd)) { |
| 3424 | r = -EIO5; |
| 3425 | goto fail; |
| 3426 | } |
| 3427 | |
| 3428 | if (template && template->post_change_timer) { |
| 3429 | r = journal_file_enable_post_change_timer( |
| 3430 | f, |
| 3431 | sd_event_source_get_event(template->post_change_timer), |
| 3432 | template->post_change_timer_period); |
| 3433 | |
| 3434 | if (r < 0) |
| 3435 | goto fail; |
| 3436 | } |
| 3437 | |
| 3438 | /* The file is opened now successfully, thus we take possession of any passed in fd. */ |
| 3439 | f->close_fd = true1; |
| 3440 | |
| 3441 | *ret = f; |
| 3442 | return 0; |
| 3443 | |
| 3444 | fail: |
| 3445 | if (f->cache_fd && mmap_cache_got_sigbus(f->mmap, f->cache_fd)) |
| 3446 | r = -EIO5; |
| 3447 | |
| 3448 | (void) journal_file_close(f); |
| 3449 | |
| 3450 | return r; |
| 3451 | } |
| 3452 | |
| 3453 | int journal_file_rotate(JournalFile **f, bool_Bool compress, uint64_t compress_threshold_bytes, bool_Bool seal, Set *deferred_closes) { |
| 3454 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0); |
| 3455 | size_t l; |
| 3456 | JournalFile *old_file, *new_file = NULL((void*)0); |
| 3457 | int r; |
| 3458 | |
| 3459 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3459 , __PRETTY_FUNCTION__); } while (0); |
| 3460 | assert(*f)do { if ((__builtin_expect(!!(!(*f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("*f"), "../src/journal/journal-file.c", 3460 , __PRETTY_FUNCTION__); } while (0); |
| 3461 | |
| 3462 | old_file = *f; |
| 3463 | |
| 3464 | if (!old_file->writable) |
| 3465 | return -EINVAL22; |
| 3466 | |
| 3467 | /* Is this a journal file that was passed to us as fd? If so, we synthesized a path name for it, and we refuse |
| 3468 | * rotation, since we don't know the actual path, and couldn't rename the file hence. */ |
| 3469 | if (path_startswith(old_file->path, "/proc/self/fd")) |
| 3470 | return -EINVAL22; |
| 3471 | |
| 3472 | if (!endswith(old_file->path, ".journal")) |
| 3473 | return -EINVAL22; |
| 3474 | |
| 3475 | l = strlen(old_file->path); |
| 3476 | r = asprintf(&p, "%.*s@" SD_ID128_FORMAT_STR"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" "-%016"PRIx64"l" "x""-%016"PRIx64"l" "x"".journal", |
| 3477 | (int) l - 8, old_file->path, |
| 3478 | SD_ID128_FORMAT_VAL(old_file->header->seqnum_id)(old_file->header->seqnum_id).bytes[0], (old_file->header ->seqnum_id).bytes[1], (old_file->header->seqnum_id) .bytes[2], (old_file->header->seqnum_id).bytes[3], (old_file ->header->seqnum_id).bytes[4], (old_file->header-> seqnum_id).bytes[5], (old_file->header->seqnum_id).bytes [6], (old_file->header->seqnum_id).bytes[7], (old_file-> header->seqnum_id).bytes[8], (old_file->header->seqnum_id ).bytes[9], (old_file->header->seqnum_id).bytes[10], (old_file ->header->seqnum_id).bytes[11], (old_file->header-> seqnum_id).bytes[12], (old_file->header->seqnum_id).bytes [13], (old_file->header->seqnum_id).bytes[14], (old_file ->header->seqnum_id).bytes[15], |
| 3479 | le64toh((*f)->header->head_entry_seqnum), |
| 3480 | le64toh((*f)->header->head_entry_realtime)); |
| 3481 | if (r < 0) |
| 3482 | return -ENOMEM12; |
| 3483 | |
| 3484 | /* Try to rename the file to the archived version. If the file |
| 3485 | * already was deleted, we'll get ENOENT, let's ignore that |
| 3486 | * case. */ |
| 3487 | r = rename(old_file->path, p); |
| 3488 | if (r < 0 && errno(*__errno_location ()) != ENOENT2) |
| 3489 | return -errno(*__errno_location ()); |
| 3490 | |
| 3491 | /* Sync the rename to disk */ |
| 3492 | (void) fsync_directory_of_file(old_file->fd); |
| 3493 | |
| 3494 | /* Set as archive so offlining commits w/state=STATE_ARCHIVED. |
| 3495 | * Previously we would set old_file->header->state to STATE_ARCHIVED directly here, |
| 3496 | * but journal_file_set_offline() short-circuits when state != STATE_ONLINE, which |
| 3497 | * would result in the rotated journal never getting fsync() called before closing. |
| 3498 | * Now we simply queue the archive state by setting an archive bit, leaving the state |
| 3499 | * as STATE_ONLINE so proper offlining occurs. */ |
| 3500 | old_file->archive = true1; |
| 3501 | |
| 3502 | /* Currently, btrfs is not very good with out write patterns |
| 3503 | * and fragments heavily. Let's defrag our journal files when |
| 3504 | * we archive them */ |
| 3505 | old_file->defrag_on_close = true1; |
| 3506 | |
| 3507 | r = journal_file_open(-1, old_file->path, old_file->flags, old_file->mode, compress, |
| 3508 | compress_threshold_bytes, seal, NULL((void*)0), old_file->mmap, deferred_closes, |
| 3509 | old_file, &new_file); |
| 3510 | |
| 3511 | if (deferred_closes && |
| 3512 | set_put(deferred_closes, old_file) >= 0) |
| 3513 | (void) journal_file_set_offline(old_file, false0); |
| 3514 | else |
| 3515 | (void) journal_file_close(old_file); |
| 3516 | |
| 3517 | *f = new_file; |
| 3518 | return r; |
| 3519 | } |
| 3520 | |
| 3521 | int journal_file_open_reliably( |
| 3522 | const char *fname, |
| 3523 | int flags, |
| 3524 | mode_t mode, |
| 3525 | bool_Bool compress, |
| 3526 | uint64_t compress_threshold_bytes, |
| 3527 | bool_Bool seal, |
| 3528 | JournalMetrics *metrics, |
| 3529 | MMapCache *mmap_cache, |
| 3530 | Set *deferred_closes, |
| 3531 | JournalFile *template, |
| 3532 | JournalFile **ret) { |
| 3533 | |
| 3534 | int r; |
| 3535 | size_t l; |
| 3536 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0); |
| 3537 | |
| 3538 | r = journal_file_open(-1, fname, flags, mode, compress, compress_threshold_bytes, seal, metrics, mmap_cache, |
| 3539 | deferred_closes, template, ret); |
| 3540 | if (!IN_SET(r,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3541 | -EBADMSG, /* Corrupted */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3542 | -ENODATA, /* Truncated */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3543 | -EHOSTDOWN, /* Other machine */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3544 | -EPROTONOSUPPORT, /* Incompatible feature */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3545 | -EBUSY, /* Unclean shutdown */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3546 | -ESHUTDOWN, /* Already archived */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3547 | -EIO, /* IO error, including SIGBUS on mmap */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3548 | -EIDRM, /* File has been deleted */({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; }) |
| 3549 | -ETXTBSY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-74, -61, -112, -93, -16, -108, -5, -43, -26})/sizeof(int)]; switch(r) { case -74: case -61: case -112 : case -93: case -16: case -108: case -5: case -43: case -26: _found = 1; break; default: break; } _found; })) /* File is from the future */ |
| 3550 | return r; |
| 3551 | |
| 3552 | if ((flags & O_ACCMODE0003) == O_RDONLY00) |
| 3553 | return r; |
| 3554 | |
| 3555 | if (!(flags & O_CREAT0100)) |
| 3556 | return r; |
| 3557 | |
| 3558 | if (!endswith(fname, ".journal")) |
| 3559 | return r; |
| 3560 | |
| 3561 | /* The file is corrupted. Rotate it away and try it again (but only once) */ |
| 3562 | |
| 3563 | l = strlen(fname); |
| 3564 | if (asprintf(&p, "%.*s@%016"PRIx64"l" "x" "-%016"PRIx64"l" "x" ".journal~", |
| 3565 | (int) l - 8, fname, |
| 3566 | now(CLOCK_REALTIME0), |
| 3567 | random_u64()) < 0) |
| 3568 | return -ENOMEM12; |
| 3569 | |
| 3570 | if (rename(fname, p) < 0) |
| 3571 | return -errno(*__errno_location ()); |
| 3572 | |
| 3573 | /* btrfs doesn't cope well with our write pattern and |
| 3574 | * fragments heavily. Let's defrag all files we rotate */ |
| 3575 | |
| 3576 | (void) chattr_path(p, 0, FS_NOCOW_FL0x00800000); |
| 3577 | (void) btrfs_defrag(p); |
| 3578 | |
| 3579 | log_warning_errno(r, "File %s corrupted or uncleanly shut down, renaming and replacing.", fname)({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3579, __func__, "File %s corrupted or uncleanly shut down, renaming and replacing." , fname) : -abs(_e); }); |
| 3580 | |
| 3581 | return journal_file_open(-1, fname, flags, mode, compress, compress_threshold_bytes, seal, metrics, mmap_cache, |
| 3582 | deferred_closes, template, ret); |
| 3583 | } |
| 3584 | |
| 3585 | int journal_file_copy_entry(JournalFile *from, JournalFile *to, Object *o, uint64_t p) { |
| 3586 | uint64_t i, n; |
| 3587 | uint64_t q, xor_hash = 0; |
| 3588 | int r; |
| 3589 | EntryItem *items; |
| 3590 | dual_timestamp ts; |
| 3591 | const sd_id128_t *boot_id; |
| 3592 | |
| 3593 | assert(from)do { if ((__builtin_expect(!!(!(from)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("from"), "../src/journal/journal-file.c" , 3593, __PRETTY_FUNCTION__); } while (0); |
| 3594 | assert(to)do { if ((__builtin_expect(!!(!(to)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("to"), "../src/journal/journal-file.c", 3594 , __PRETTY_FUNCTION__); } while (0); |
| 3595 | assert(o)do { if ((__builtin_expect(!!(!(o)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("o"), "../src/journal/journal-file.c", 3595 , __PRETTY_FUNCTION__); } while (0); |
| 3596 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/journal/journal-file.c", 3596 , __PRETTY_FUNCTION__); } while (0); |
| 3597 | |
| 3598 | if (!to->writable) |
| 3599 | return -EPERM1; |
| 3600 | |
| 3601 | ts.monotonic = le64toh(o->entry.monotonic); |
| 3602 | ts.realtime = le64toh(o->entry.realtime); |
| 3603 | boot_id = &o->entry.boot_id; |
| 3604 | |
| 3605 | n = journal_file_entry_n_items(o); |
| 3606 | /* alloca() can't take 0, hence let's allocate at least one */ |
| 3607 | items = newa(EntryItem, MAX(1u, n))({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (EntryItem), __extension__ ({ const typeof((1u)) __unique_prefix_A34 = ((1u)); const typeof((n)) __unique_prefix_B35 = ((n)); __unique_prefix_A34 > __unique_prefix_B35 ? __unique_prefix_A34 : __unique_prefix_B35 ; })))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(EntryItem), __extension__ ({ const typeof((1u)) __unique_prefix_A34 = ((1u)); const typeof((n)) __unique_prefix_B35 = ((n)); __unique_prefix_A34 > __unique_prefix_B35 ? __unique_prefix_A34 : __unique_prefix_B35; }))" ), "../src/journal/journal-file.c", 3607, __PRETTY_FUNCTION__ ); } while (0); (EntryItem*) __builtin_alloca (sizeof(EntryItem )*(__extension__ ({ const typeof((1u)) __unique_prefix_A34 = ( (1u)); const typeof((n)) __unique_prefix_B35 = ((n)); __unique_prefix_A34 > __unique_prefix_B35 ? __unique_prefix_A34 : __unique_prefix_B35 ; }))); }); |
| 3608 | |
| 3609 | for (i = 0; i < n; i++) { |
| 3610 | uint64_t l, h; |
| 3611 | le64_t le_hash; |
| 3612 | size_t t; |
| 3613 | void *data; |
| 3614 | Object *u; |
| 3615 | |
| 3616 | q = le64toh(o->entry.items[i].object_offset); |
| 3617 | le_hash = o->entry.items[i].hash; |
| 3618 | |
| 3619 | r = journal_file_move_to_object(from, OBJECT_DATA, q, &o); |
| 3620 | if (r < 0) |
| 3621 | return r; |
| 3622 | |
| 3623 | if (le_hash != o->data.hash) |
| 3624 | return -EBADMSG74; |
| 3625 | |
| 3626 | l = le64toh(o->object.size) - offsetof(Object, data.payload)__builtin_offsetof(Object, data.payload); |
| 3627 | t = (size_t) l; |
| 3628 | |
| 3629 | /* We hit the limit on 32bit machines */ |
| 3630 | if ((uint64_t) t != l) |
| 3631 | return -E2BIG7; |
| 3632 | |
| 3633 | if (o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4)) { |
| 3634 | #if HAVE_XZ1 || HAVE_LZ41 |
| 3635 | size_t rsize = 0; |
| 3636 | |
| 3637 | r = decompress_blob(o->object.flags & OBJECT_COMPRESSION_MASK(OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4), |
| 3638 | o->data.payload, l, &from->compress_buffer, &from->compress_buffer_size, &rsize, 0); |
| 3639 | if (r < 0) |
| 3640 | return r; |
| 3641 | |
| 3642 | data = from->compress_buffer; |
| 3643 | l = rsize; |
| 3644 | #else |
| 3645 | return -EPROTONOSUPPORT93; |
| 3646 | #endif |
| 3647 | } else |
| 3648 | data = o->data.payload; |
| 3649 | |
| 3650 | r = journal_file_append_data(to, data, l, &u, &h); |
| 3651 | if (r < 0) |
| 3652 | return r; |
| 3653 | |
| 3654 | xor_hash ^= le64toh(u->data.hash); |
| 3655 | items[i].object_offset = htole64(h); |
| 3656 | items[i].hash = u->data.hash; |
| 3657 | |
| 3658 | r = journal_file_move_to_object(from, OBJECT_ENTRY, p, &o); |
| 3659 | if (r < 0) |
| 3660 | return r; |
| 3661 | } |
| 3662 | |
| 3663 | r = journal_file_append_entry_internal(to, &ts, boot_id, xor_hash, items, n, |
| 3664 | NULL((void*)0), NULL((void*)0), NULL((void*)0)); |
| 3665 | |
| 3666 | if (mmap_cache_got_sigbus(to->mmap, to->cache_fd)) |
| 3667 | return -EIO5; |
| 3668 | |
| 3669 | return r; |
| 3670 | } |
| 3671 | |
| 3672 | void journal_reset_metrics(JournalMetrics *m) { |
| 3673 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/journal/journal-file.c", 3673 , __PRETTY_FUNCTION__); } while (0); |
| 3674 | |
| 3675 | /* Set everything to "pick automatic values". */ |
| 3676 | |
| 3677 | *m = (JournalMetrics) { |
| 3678 | .min_use = (uint64_t) -1, |
| 3679 | .max_use = (uint64_t) -1, |
| 3680 | .min_size = (uint64_t) -1, |
| 3681 | .max_size = (uint64_t) -1, |
| 3682 | .keep_free = (uint64_t) -1, |
| 3683 | .n_max_files = (uint64_t) -1, |
| 3684 | }; |
| 3685 | } |
| 3686 | |
| 3687 | void journal_default_metrics(JournalMetrics *m, int fd) { |
| 3688 | char a[FORMAT_BYTES_MAX8], b[FORMAT_BYTES_MAX8], c[FORMAT_BYTES_MAX8], d[FORMAT_BYTES_MAX8], e[FORMAT_BYTES_MAX8]; |
| 3689 | struct statvfs ss; |
| 3690 | uint64_t fs_size; |
| 3691 | |
| 3692 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/journal/journal-file.c", 3692 , __PRETTY_FUNCTION__); } while (0); |
| 3693 | assert(fd >= 0)do { if ((__builtin_expect(!!(!(fd >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fd >= 0"), "../src/journal/journal-file.c" , 3693, __PRETTY_FUNCTION__); } while (0); |
| 3694 | |
| 3695 | if (fstatvfs(fd, &ss) >= 0) |
| 3696 | fs_size = ss.f_frsize * ss.f_blocks; |
| 3697 | else { |
| 3698 | log_debug_errno(errno, "Failed to determine disk size: %m")({ int _level = ((7)), _e = (((*__errno_location ()))), _realm = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >= ((_level) & 0x07)) ? log_internal_realm(((_realm) << 10 | (_level)), _e, "../src/journal/journal-file.c", 3698, __func__ , "Failed to determine disk size: %m") : -abs(_e); }); |
| 3699 | fs_size = 0; |
| 3700 | } |
| 3701 | |
| 3702 | if (m->max_use == (uint64_t) -1) { |
| 3703 | |
| 3704 | if (fs_size > 0) { |
| 3705 | m->max_use = PAGE_ALIGN(fs_size / 10)ALIGN_TO((fs_size / 10), page_size()); /* 10% of file system size */ |
| 3706 | |
| 3707 | if (m->max_use > DEFAULT_MAX_USE_UPPER(4ULL*1024ULL*1024ULL*1024ULL)) |
| 3708 | m->max_use = DEFAULT_MAX_USE_UPPER(4ULL*1024ULL*1024ULL*1024ULL); |
| 3709 | |
| 3710 | if (m->max_use < DEFAULT_MAX_USE_LOWER(1ULL*1024ULL*1024ULL)) |
| 3711 | m->max_use = DEFAULT_MAX_USE_LOWER(1ULL*1024ULL*1024ULL); |
| 3712 | } else |
| 3713 | m->max_use = DEFAULT_MAX_USE_LOWER(1ULL*1024ULL*1024ULL); |
| 3714 | } else { |
| 3715 | m->max_use = PAGE_ALIGN(m->max_use)ALIGN_TO((m->max_use), page_size()); |
| 3716 | |
| 3717 | if (m->max_use != 0 && m->max_use < JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL)*2) |
| 3718 | m->max_use = JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL)*2; |
| 3719 | } |
| 3720 | |
| 3721 | if (m->min_use == (uint64_t) -1) |
| 3722 | m->min_use = DEFAULT_MIN_USE(1ULL*1024ULL*1024ULL); |
| 3723 | |
| 3724 | if (m->min_use > m->max_use) |
| 3725 | m->min_use = m->max_use; |
| 3726 | |
| 3727 | if (m->max_size == (uint64_t) -1) { |
| 3728 | m->max_size = PAGE_ALIGN(m->max_use / 8)ALIGN_TO((m->max_use / 8), page_size()); /* 8 chunks */ |
| 3729 | |
| 3730 | if (m->max_size > DEFAULT_MAX_SIZE_UPPER(128ULL*1024ULL*1024ULL)) |
| 3731 | m->max_size = DEFAULT_MAX_SIZE_UPPER(128ULL*1024ULL*1024ULL); |
| 3732 | } else |
| 3733 | m->max_size = PAGE_ALIGN(m->max_size)ALIGN_TO((m->max_size), page_size()); |
| 3734 | |
| 3735 | if (m->max_size != 0) { |
| 3736 | if (m->max_size < JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL)) |
| 3737 | m->max_size = JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL); |
| 3738 | |
| 3739 | if (m->max_use != 0 && m->max_size*2 > m->max_use) |
| 3740 | m->max_use = m->max_size*2; |
| 3741 | } |
| 3742 | |
| 3743 | if (m->min_size == (uint64_t) -1) |
| 3744 | m->min_size = JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL); |
| 3745 | else { |
| 3746 | m->min_size = PAGE_ALIGN(m->min_size)ALIGN_TO((m->min_size), page_size()); |
| 3747 | |
| 3748 | if (m->min_size < JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL)) |
| 3749 | m->min_size = JOURNAL_FILE_SIZE_MIN(512ULL*1024ULL); |
| 3750 | |
| 3751 | if (m->max_size != 0 && m->min_size > m->max_size) |
| 3752 | m->max_size = m->min_size; |
| 3753 | } |
| 3754 | |
| 3755 | if (m->keep_free == (uint64_t) -1) { |
| 3756 | |
| 3757 | if (fs_size > 0) { |
| 3758 | m->keep_free = PAGE_ALIGN(fs_size * 3 / 20)ALIGN_TO((fs_size * 3 / 20), page_size()); /* 15% of file system size */ |
| 3759 | |
| 3760 | if (m->keep_free > DEFAULT_KEEP_FREE_UPPER(4ULL*1024ULL*1024ULL*1024ULL)) |
| 3761 | m->keep_free = DEFAULT_KEEP_FREE_UPPER(4ULL*1024ULL*1024ULL*1024ULL); |
| 3762 | |
| 3763 | } else |
| 3764 | m->keep_free = DEFAULT_KEEP_FREE(1024ULL*1024ULL); |
| 3765 | } |
| 3766 | |
| 3767 | if (m->n_max_files == (uint64_t) -1) |
| 3768 | m->n_max_files = DEFAULT_N_MAX_FILES(100); |
| 3769 | |
| 3770 | log_debug("Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" PRIu64,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3771 | format_bytes(a, sizeof(a), m->min_use),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3772 | format_bytes(b, sizeof(b), m->max_use),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3773 | format_bytes(c, sizeof(c), m->max_size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3774 | format_bytes(d, sizeof(d), m->min_size),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3775 | format_bytes(e, sizeof(e), m->keep_free),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }) |
| 3776 | m->n_max_files)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3776, __func__, "Fixed min_use=%s max_use=%s max_size=%s min_size=%s keep_free=%s n_max_files=%" "l" "u", format_bytes(a, sizeof(a), m->min_use), format_bytes (b, sizeof(b), m->max_use), format_bytes(c, sizeof(c), m-> max_size), format_bytes(d, sizeof(d), m->min_size), format_bytes (e, sizeof(e), m->keep_free), m->n_max_files) : -abs(_e ); }); |
| 3777 | } |
| 3778 | |
| 3779 | int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t *to) { |
| 3780 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3780 , __PRETTY_FUNCTION__); } while (0); |
| 3781 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 3781, __PRETTY_FUNCTION__); } while (0); |
| 3782 | assert(from || to)do { if ((__builtin_expect(!!(!(from || to)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("from || to"), "../src/journal/journal-file.c" , 3782, __PRETTY_FUNCTION__); } while (0); |
| 3783 | |
| 3784 | if (from) { |
| 3785 | if (f->header->head_entry_realtime == 0) |
| 3786 | return -ENOENT2; |
| 3787 | |
| 3788 | *from = le64toh(f->header->head_entry_realtime); |
| 3789 | } |
| 3790 | |
| 3791 | if (to) { |
| 3792 | if (f->header->tail_entry_realtime == 0) |
| 3793 | return -ENOENT2; |
| 3794 | |
| 3795 | *to = le64toh(f->header->tail_entry_realtime); |
| 3796 | } |
| 3797 | |
| 3798 | return 1; |
| 3799 | } |
| 3800 | |
| 3801 | int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot_id, usec_t *from, usec_t *to) { |
| 3802 | Object *o; |
| 3803 | uint64_t p; |
| 3804 | int r; |
| 3805 | |
| 3806 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3806 , __PRETTY_FUNCTION__); } while (0); |
| 3807 | assert(from || to)do { if ((__builtin_expect(!!(!(from || to)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("from || to"), "../src/journal/journal-file.c" , 3807, __PRETTY_FUNCTION__); } while (0); |
| 3808 | |
| 3809 | r = find_data_object_by_boot_id(f, boot_id, &o, &p); |
| 3810 | if (r <= 0) |
| 3811 | return r; |
| 3812 | |
| 3813 | if (le64toh(o->data.n_entries) <= 0) |
| 3814 | return 0; |
| 3815 | |
| 3816 | if (from) { |
| 3817 | r = journal_file_move_to_object(f, OBJECT_ENTRY, le64toh(o->data.entry_offset), &o); |
| 3818 | if (r < 0) |
| 3819 | return r; |
| 3820 | |
| 3821 | *from = le64toh(o->entry.monotonic); |
| 3822 | } |
| 3823 | |
| 3824 | if (to) { |
| 3825 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); |
| 3826 | if (r < 0) |
| 3827 | return r; |
| 3828 | |
| 3829 | r = generic_array_get_plus_one(f, |
| 3830 | le64toh(o->data.entry_offset), |
| 3831 | le64toh(o->data.entry_array_offset), |
| 3832 | le64toh(o->data.n_entries)-1, |
| 3833 | &o, NULL((void*)0)); |
| 3834 | if (r <= 0) |
| 3835 | return r; |
| 3836 | |
| 3837 | *to = le64toh(o->entry.monotonic); |
| 3838 | } |
| 3839 | |
| 3840 | return 1; |
| 3841 | } |
| 3842 | |
| 3843 | bool_Bool journal_file_rotate_suggested(JournalFile *f, usec_t max_file_usec) { |
| 3844 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/journal/journal-file.c", 3844 , __PRETTY_FUNCTION__); } while (0); |
| 3845 | assert(f->header)do { if ((__builtin_expect(!!(!(f->header)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f->header"), "../src/journal/journal-file.c" , 3845, __PRETTY_FUNCTION__); } while (0); |
| 3846 | |
| 3847 | /* If we gained new header fields we gained new features, |
| 3848 | * hence suggest a rotation */ |
| 3849 | if (le64toh(f->header->header_size) < sizeof(Header)) { |
| 3850 | log_debug("%s uses an outdated header, suggesting rotation.", f->path)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3850, __func__, "%s uses an outdated header, suggesting rotation." , f->path) : -abs(_e); }); |
| 3851 | return true1; |
| 3852 | } |
| 3853 | |
| 3854 | /* Let's check if the hash tables grew over a certain fill |
| 3855 | * level (75%, borrowing this value from Java's hash table |
| 3856 | * implementation), and if so suggest a rotation. To calculate |
| 3857 | * the fill level we need the n_data field, which only exists |
| 3858 | * in newer versions. */ |
| 3859 | |
| 3860 | if (JOURNAL_HEADER_CONTAINS(f->header, n_data)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_data) + sizeof((f->header)->n_data))) |
| 3861 | if (le64toh(f->header->n_data) * 4ULL > (le64toh(f->header->data_hash_table_size) / sizeof(HashItem)) * 3ULL) { |
| 3862 | log_debug("Data hash table of %s has a fill level at %.1f (%"PRIu64" of %"PRIu64" items, %llu file size, %"PRIu64" bytes per hash table item), suggesting rotation.",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3863 | f->path,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3864 | 100.0 * (double) le64toh(f->header->n_data) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3865 | le64toh(f->header->n_data),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3866 | le64toh(f->header->data_hash_table_size) / sizeof(HashItem),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3867 | (unsigned long long) f->last_stat.st_size,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }) |
| 3868 | f->last_stat.st_size / le64toh(f->header->n_data))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3868, __func__, "Data hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items, %llu file size, %""l" "u"" bytes per hash table item), suggesting rotation." , f->path, 100.0 * (double) le64toh(f->header->n_data ) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))), le64toh(f->header->n_data), le64toh (f->header->data_hash_table_size) / sizeof(HashItem), ( unsigned long long) f->last_stat.st_size, f->last_stat. st_size / le64toh(f->header->n_data)) : -abs(_e); }); |
| 3869 | return true1; |
| 3870 | } |
| 3871 | |
| 3872 | if (JOURNAL_HEADER_CONTAINS(f->header, n_fields)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_fields) + sizeof((f->header)->n_fields))) |
| 3873 | if (le64toh(f->header->n_fields) * 4ULL > (le64toh(f->header->field_hash_table_size) / sizeof(HashItem)) * 3ULL) { |
| 3874 | log_debug("Field hash table of %s has a fill level at %.1f (%"PRIu64" of %"PRIu64" items), suggesting rotation.",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3878, __func__, "Field hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items), suggesting rotation.", f->path , 100.0 * (double) le64toh(f->header->n_fields) / ((double ) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem ))), le64toh(f->header->n_fields), le64toh(f->header ->field_hash_table_size) / sizeof(HashItem)) : -abs(_e); } ) |
| 3875 | f->path,({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3878, __func__, "Field hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items), suggesting rotation.", f->path , 100.0 * (double) le64toh(f->header->n_fields) / ((double ) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem ))), le64toh(f->header->n_fields), le64toh(f->header ->field_hash_table_size) / sizeof(HashItem)) : -abs(_e); } ) |
| 3876 | 100.0 * (double) le64toh(f->header->n_fields) / ((double) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem))),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3878, __func__, "Field hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items), suggesting rotation.", f->path , 100.0 * (double) le64toh(f->header->n_fields) / ((double ) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem ))), le64toh(f->header->n_fields), le64toh(f->header ->field_hash_table_size) / sizeof(HashItem)) : -abs(_e); } ) |
| 3877 | le64toh(f->header->n_fields),({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3878, __func__, "Field hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items), suggesting rotation.", f->path , 100.0 * (double) le64toh(f->header->n_fields) / ((double ) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem ))), le64toh(f->header->n_fields), le64toh(f->header ->field_hash_table_size) / sizeof(HashItem)) : -abs(_e); } ) |
| 3878 | le64toh(f->header->field_hash_table_size) / sizeof(HashItem))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/journal/journal-file.c", 3878, __func__, "Field hash table of %s has a fill level at %.1f (%" "l" "u"" of %""l" "u"" items), suggesting rotation.", f->path , 100.0 * (double) le64toh(f->header->n_fields) / ((double ) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem ))), le64toh(f->header->n_fields), le64toh(f->header ->field_hash_table_size) / sizeof(HashItem)) : -abs(_e); } ); |
| 3879 | return true1; |
| 3880 | } |
| 3881 | |
| 3882 | /* Are the data objects properly indexed by field objects? */ |
| 3883 | if (JOURNAL_HEADER_CONTAINS(f->header, n_data)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_data) + sizeof((f->header)->n_data)) && |
| 3884 | JOURNAL_HEADER_CONTAINS(f->header, n_fields)(le64toh((f->header)->header_size) >= __builtin_offsetof (Header, n_fields) + sizeof((f->header)->n_fields)) && |
| 3885 | le64toh(f->header->n_data) > 0 && |
| 3886 | le64toh(f->header->n_fields) == 0) |
| 3887 | return true1; |
| 3888 | |
| 3889 | if (max_file_usec > 0) { |
| 3890 | usec_t t, h; |
| 3891 | |
| 3892 | h = le64toh(f->header->head_entry_realtime); |
| 3893 | t = now(CLOCK_REALTIME0); |
| 3894 | |
| 3895 | if (h > 0 && t > h + max_file_usec) |
| 3896 | return true1; |
| 3897 | } |
| 3898 | |
| 3899 | return false0; |
| 3900 | } |