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/* 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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