/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include "chattr-util.h" #include "io-util.h" #include "journal-authenticate.h" #include "journald-file.h" #include "journal-vacuum.h" #include "log.h" #include "rm-rf.h" #include "tests.h" static bool arg_keep = false; static void mkdtemp_chdir_chattr(char *path) { assert_se(mkdtemp(path)); assert_se(chdir(path) >= 0); /* Speed up things a bit on btrfs, ensuring that CoW is turned off for all files created in our * directory during the test run */ (void) chattr_path(path, FS_NOCOW_FL, FS_NOCOW_FL, NULL); } static void test_non_empty(void) { _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL; dual_timestamp ts; JournaldFile *f; struct iovec iovec; static const char test[] = "TEST1=1", test2[] = "TEST2=2"; Object *o; uint64_t p; sd_id128_t fake_boot_id; char t[] = "/var/tmp/journal-XXXXXX"; test_setup_logging(LOG_DEBUG); m = mmap_cache_new(); assert_se(m != NULL); mkdtemp_chdir_chattr(t); assert_se(journald_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, true, UINT64_MAX, true, NULL, m, NULL, NULL, &f) == 0); assert_se(dual_timestamp_get(&ts)); assert_se(sd_id128_randomize(&fake_boot_id) == 0); iovec = IOVEC_MAKE_STRING(test); assert_se(journal_file_append_entry(f->file, &ts, NULL, &iovec, 1, NULL, NULL, NULL) == 0); iovec = IOVEC_MAKE_STRING(test2); assert_se(journal_file_append_entry(f->file, &ts, NULL, &iovec, 1, NULL, NULL, NULL) == 0); iovec = IOVEC_MAKE_STRING(test); assert_se(journal_file_append_entry(f->file, &ts, &fake_boot_id, &iovec, 1, NULL, NULL, NULL) == 0); #if HAVE_GCRYPT journal_file_append_tag(f->file); #endif journal_file_dump(f->file); assert_se(journal_file_next_entry(f->file, 0, DIRECTION_DOWN, &o, &p) == 1); assert_se(le64toh(o->entry.seqnum) == 1); assert_se(journal_file_next_entry(f->file, p, DIRECTION_DOWN, &o, &p) == 1); assert_se(le64toh(o->entry.seqnum) == 2); assert_se(journal_file_next_entry(f->file, p, DIRECTION_DOWN, &o, &p) == 1); assert_se(le64toh(o->entry.seqnum) == 3); assert_se(sd_id128_equal(o->entry.boot_id, fake_boot_id)); assert_se(journal_file_next_entry(f->file, p, DIRECTION_DOWN, &o, &p) == 0); assert_se(journal_file_next_entry(f->file, 0, DIRECTION_DOWN, &o, &p) == 1); assert_se(le64toh(o->entry.seqnum) == 1); assert_se(journal_file_find_data_object(f->file, test, strlen(test), NULL, &p) == 1); assert_se(journal_file_next_entry_for_data(f->file, NULL, 0, p, DIRECTION_DOWN, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 1); assert_se(journal_file_next_entry_for_data(f->file, NULL, 0, p, DIRECTION_UP, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 3); assert_se(journal_file_find_data_object(f->file, test2, strlen(test2), NULL, &p) == 1); assert_se(journal_file_next_entry_for_data(f->file, NULL, 0, p, DIRECTION_UP, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 2); assert_se(journal_file_next_entry_for_data(f->file, NULL, 0, p, DIRECTION_DOWN, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 2); assert_se(journal_file_find_data_object(f->file, "quux", 4, NULL, &p) == 0); assert_se(journal_file_move_to_entry_by_seqnum(f->file, 1, DIRECTION_DOWN, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 1); assert_se(journal_file_move_to_entry_by_seqnum(f->file, 3, DIRECTION_DOWN, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 3); assert_se(journal_file_move_to_entry_by_seqnum(f->file, 2, DIRECTION_DOWN, &o, NULL) == 1); assert_se(le64toh(o->entry.seqnum) == 2); assert_se(journal_file_move_to_entry_by_seqnum(f->file, 10, DIRECTION_DOWN, &o, NULL) == 0); journald_file_rotate(&f, m, true, UINT64_MAX, true, NULL); journald_file_rotate(&f, m, true, UINT64_MAX, true, NULL); (void) journald_file_close(f); log_info("Done..."); if (arg_keep) log_info("Not removing %s", t); else { journal_directory_vacuum(".", 3000000, 0, 0, NULL, true); assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); } puts("------------------------------------------------------------"); } static void test_empty(void) { _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL; JournaldFile *f1, *f2, *f3, *f4; char t[] = "/var/tmp/journal-XXXXXX"; test_setup_logging(LOG_DEBUG); m = mmap_cache_new(); assert_se(m != NULL); mkdtemp_chdir_chattr(t); assert_se(journald_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, false, UINT64_MAX, false, NULL, m, NULL, NULL, &f1) == 0); assert_se(journald_file_open(-1, "test-compress.journal", O_RDWR|O_CREAT, 0666, true, UINT64_MAX, false, NULL, m, NULL, NULL, &f2) == 0); assert_se(journald_file_open(-1, "test-seal.journal", O_RDWR|O_CREAT, 0666, false, UINT64_MAX, true, NULL, m, NULL, NULL, &f3) == 0); assert_se(journald_file_open(-1, "test-seal-compress.journal", O_RDWR|O_CREAT, 0666, true, UINT64_MAX, true, NULL, m, NULL, NULL, &f4) == 0); journal_file_print_header(f1->file); puts(""); journal_file_print_header(f2->file); puts(""); journal_file_print_header(f3->file); puts(""); journal_file_print_header(f4->file); puts(""); log_info("Done..."); if (arg_keep) log_info("Not removing %s", t); else { journal_directory_vacuum(".", 3000000, 0, 0, NULL, true); assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); } (void) journald_file_close(f1); (void) journald_file_close(f2); (void) journald_file_close(f3); (void) journald_file_close(f4); } #if HAVE_COMPRESSION static bool check_compressed(uint64_t compress_threshold, uint64_t data_size) { _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL; dual_timestamp ts; JournaldFile *f; struct iovec iovec; Object *o; uint64_t p; char t[] = "/var/tmp/journal-XXXXXX"; char data[2048] = "FIELD="; bool is_compressed; int r; assert_se(data_size <= sizeof(data)); test_setup_logging(LOG_DEBUG); m = mmap_cache_new(); assert_se(m != NULL); mkdtemp_chdir_chattr(t); assert_se(journald_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, true, compress_threshold, true, NULL, m, NULL, NULL, &f) == 0); dual_timestamp_get(&ts); iovec = IOVEC_MAKE(data, data_size); assert_se(journal_file_append_entry(f->file, &ts, NULL, &iovec, 1, NULL, NULL, NULL) == 0); #if HAVE_GCRYPT journal_file_append_tag(f->file); #endif journal_file_dump(f->file); /* We have to partially reimplement some of the dump logic, because the normal next_entry does the * decompression for us. */ p = le64toh(f->file->header->header_size); for (;;) { r = journal_file_move_to_object(f->file, OBJECT_UNUSED, p, &o); assert_se(r == 0); if (o->object.type == OBJECT_DATA) break; assert_se(p < le64toh(f->file->header->tail_object_offset)); p = p + ALIGN64(le64toh(o->object.size)); } is_compressed = (o->object.flags & OBJECT_COMPRESSION_MASK) != 0; (void) journald_file_close(f); log_info("Done..."); if (arg_keep) log_info("Not removing %s", t); else { journal_directory_vacuum(".", 3000000, 0, 0, NULL, true); assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); } puts("------------------------------------------------------------"); return is_compressed; } static void test_min_compress_size(void) { /* Note that XZ will actually fail to compress anything under 80 bytes, so you have to choose the limits * carefully */ /* DEFAULT_MIN_COMPRESS_SIZE is 512 */ assert_se(!check_compressed(UINT64_MAX, 255)); assert_se(check_compressed(UINT64_MAX, 513)); /* compress everything */ assert_se(check_compressed(0, 96)); assert_se(check_compressed(8, 96)); /* Ensure we don't try to compress less than 8 bytes */ assert_se(!check_compressed(0, 7)); /* check boundary conditions */ assert_se(check_compressed(256, 256)); assert_se(!check_compressed(256, 255)); } #endif int main(int argc, char *argv[]) { arg_keep = argc > 1; test_setup_logging(LOG_INFO); /* journald_file_open requires a valid machine id */ if (access("/etc/machine-id", F_OK) != 0) return log_tests_skipped("/etc/machine-id not found"); test_non_empty(); test_empty(); #if HAVE_COMPRESSION test_min_compress_size(); #endif return 0; }