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-rw-r--r--src/libsystemd/sd-journal/test-journal.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/src/libsystemd/sd-journal/test-journal.c b/src/libsystemd/sd-journal/test-journal.c
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index 0000000..96f2b67
--- /dev/null
+++ b/src/libsystemd/sd-journal/test-journal.c
@@ -0,0 +1,280 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "chattr-util.h"
+#include "iovec-util.h"
+#include "journal-authenticate.h"
+#include "journal-file-util.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_one(void) {
+ _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+ dual_timestamp ts;
+ JournalFile *f;
+ struct iovec iovec;
+ static const char test[] = "TEST1=1", test2[] = "TEST2=2";
+ Object *o, *d;
+ uint64_t p;
+ sd_id128_t fake_boot_id;
+ char t[] = "/var/tmp/journal-XXXXXX";
+
+ m = mmap_cache_new();
+ assert_se(m != NULL);
+
+ mkdtemp_chdir_chattr(t);
+
+ assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS|JOURNAL_SEAL, 0666, UINT64_MAX, NULL, m, NULL, &f) == 0);
+
+ assert_se(dual_timestamp_now(&ts));
+ assert_se(sd_id128_randomize(&fake_boot_id) == 0);
+
+ iovec = IOVEC_MAKE_STRING(test);
+ assert_se(journal_file_append_entry(f, &ts, NULL, &iovec, 1, NULL, NULL, NULL, NULL) == 0);
+
+ iovec = IOVEC_MAKE_STRING(test2);
+ assert_se(journal_file_append_entry(f, &ts, NULL, &iovec, 1, NULL, NULL, NULL, NULL) == 0);
+
+ iovec = IOVEC_MAKE_STRING(test);
+ assert_se(journal_file_append_entry(f, &ts, &fake_boot_id, &iovec, 1, NULL, NULL, NULL, NULL) == 0);
+
+#if HAVE_GCRYPT
+ journal_file_append_tag(f);
+#endif
+ journal_file_dump(f);
+
+ assert_se(journal_file_next_entry(f, 0, DIRECTION_DOWN, &o, &p) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 1);
+
+ assert_se(journal_file_next_entry(f, p, DIRECTION_DOWN, &o, &p) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 2);
+
+ assert_se(journal_file_next_entry(f, 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, p, DIRECTION_DOWN, &o, &p) == 0);
+
+ assert_se(journal_file_next_entry(f, 0, DIRECTION_DOWN, &o, &p) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 1);
+
+ assert_se(journal_file_find_data_object(f, test, strlen(test), &d, NULL) == 1);
+ assert_se(journal_file_move_to_entry_for_data(f, d, DIRECTION_DOWN, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 1);
+
+ assert_se(journal_file_move_to_entry_for_data(f, d, DIRECTION_UP, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 3);
+
+ assert_se(journal_file_find_data_object(f, test2, strlen(test2), &d, NULL) == 1);
+ assert_se(journal_file_move_to_entry_for_data(f, d, DIRECTION_UP, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 2);
+
+ assert_se(journal_file_move_to_entry_for_data(f, d, DIRECTION_DOWN, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 2);
+
+ assert_se(journal_file_find_data_object(f, "quux", 4, &d, NULL) == 0);
+
+ assert_se(journal_file_move_to_entry_by_seqnum(f, 1, DIRECTION_DOWN, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 1);
+
+ assert_se(journal_file_move_to_entry_by_seqnum(f, 3, DIRECTION_DOWN, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 3);
+
+ assert_se(journal_file_move_to_entry_by_seqnum(f, 2, DIRECTION_DOWN, &o, NULL) == 1);
+ assert_se(le64toh(o->entry.seqnum) == 2);
+
+ assert_se(journal_file_move_to_entry_by_seqnum(f, 10, DIRECTION_DOWN, &o, NULL) == 0);
+
+ journal_file_rotate(&f, m, JOURNAL_SEAL|JOURNAL_COMPRESS, UINT64_MAX, NULL);
+ journal_file_rotate(&f, m, JOURNAL_SEAL|JOURNAL_COMPRESS, UINT64_MAX, NULL);
+
+ (void) journal_file_offline_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("------------------------------------------------------------");
+}
+
+TEST(non_empty) {
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
+ test_non_empty_one();
+
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
+ test_non_empty_one();
+}
+
+static void test_empty_one(void) {
+ _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+ JournalFile *f1, *f2, *f3, *f4;
+ char t[] = "/var/tmp/journal-XXXXXX";
+
+ m = mmap_cache_new();
+ assert_se(m != NULL);
+
+ mkdtemp_chdir_chattr(t);
+
+ assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0, 0666, UINT64_MAX, NULL, m, NULL, &f1) == 0);
+ assert_se(journal_file_open(-1, "test-compress.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS, 0666, UINT64_MAX, NULL, m, NULL, &f2) == 0);
+ assert_se(journal_file_open(-1, "test-seal.journal", O_RDWR|O_CREAT, JOURNAL_SEAL, 0666, UINT64_MAX, NULL, m, NULL, &f3) == 0);
+ assert_se(journal_file_open(-1, "test-seal-compress.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS|JOURNAL_SEAL, 0666, UINT64_MAX, NULL, m, NULL, &f4) == 0);
+
+ journal_file_print_header(f1);
+ puts("");
+ journal_file_print_header(f2);
+ puts("");
+ journal_file_print_header(f3);
+ puts("");
+ journal_file_print_header(f4);
+ 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) journal_file_offline_close(f1);
+ (void) journal_file_offline_close(f2);
+ (void) journal_file_offline_close(f3);
+ (void) journal_file_offline_close(f4);
+}
+
+TEST(empty) {
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
+ test_empty_one();
+
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
+ test_empty_one();
+}
+
+#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;
+ JournalFile *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));
+
+ m = mmap_cache_new();
+ assert_se(m != NULL);
+
+ mkdtemp_chdir_chattr(t);
+
+ assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS|JOURNAL_SEAL, 0666, compress_threshold, NULL, m, NULL, &f) == 0);
+
+ dual_timestamp_now(&ts);
+
+ iovec = IOVEC_MAKE(data, data_size);
+ assert_se(journal_file_append_entry(f, &ts, NULL, &iovec, 1, NULL, NULL, NULL, NULL) == 0);
+
+#if HAVE_GCRYPT
+ journal_file_append_tag(f);
+#endif
+ journal_file_dump(f);
+
+ /* We have to partially reimplement some of the dump logic, because the normal next_entry does the
+ * decompression for us. */
+ p = le64toh(f->header->header_size);
+ for (;;) {
+ r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
+ assert_se(r == 0);
+ if (o->object.type == OBJECT_DATA)
+ break;
+
+ assert_se(p < le64toh(f->header->tail_object_offset));
+ p = p + ALIGN64(le64toh(o->object.size));
+ }
+
+ is_compressed = COMPRESSION_FROM_OBJECT(o) != COMPRESSION_NONE;
+
+ (void) journal_file_offline_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_one(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));
+}
+
+TEST(min_compress_size) {
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
+ test_min_compress_size_one();
+
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
+ test_min_compress_size_one();
+}
+#endif
+
+static int intro(void) {
+ arg_keep = saved_argc > 1;
+
+ /* journal_file_open() requires a valid machine id */
+ if (access("/etc/machine-id", F_OK) != 0)
+ return log_tests_skipped("/etc/machine-id not found");
+
+ return EXIT_SUCCESS;
+}
+
+DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro);
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