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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fcntl.h>
#include <unistd.h>
#include "sd-journal.h"
#include "alloc-util.h"
#include "chattr-util.h"
#include "dirent-util.h"
#include "fd-util.h"
#include "journal-file-util.h"
#include "journal-internal.h"
#include "logs-show.h"
#include "macro.h"
#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
#include "tmpfile-util.h"
static int open_archive_file(sd_journal **ret) {
_cleanup_closedir_ DIR *d = NULL;
_cleanup_close_ int newest_fd = -EBADF;
unsigned long long newest_realtime = 0;
bool newest_is_system = false;
sd_id128_t machine_id;
const char *p;
int r;
r = sd_id128_get_machine(&machine_id);
if (r < 0)
return r;
p = strjoina("/var/log/journal/", SD_ID128_TO_STRING(machine_id), "/");
d = opendir(p);
if (!d)
return -errno;
FOREACH_DIRENT_ALL(de, d, return -errno) {
unsigned long long realtime;
bool is_system;
size_t q;
int fd;
if (!dirent_is_file_with_suffix(de, ".journal"))
continue;
is_system = startswith(de->d_name, "system@");
if (newest_is_system && !is_system)
continue;
q = strlen(de->d_name);
if (q < 1 + 32 + 1 + 16 + 1 + 16 + 8)
continue;
if (de->d_name[q-8-16-1] != '-' ||
de->d_name[q-8-16-1-16-1] != '-' ||
de->d_name[q-8-16-1-16-1-32-1] != '@')
continue;
if (sscanf(de->d_name + q-8-16, "%16llx.journal", &realtime) != 1)
continue;
if (newest_realtime >= realtime)
continue;
fd = openat(dirfd(d), de->d_name, O_CLOEXEC | O_NONBLOCK | O_RDONLY);
if (fd < 0) {
log_info_errno(errno, "Failed to open /var/log/journal/%s, ignoring: %m", de->d_name);
continue;
}
close_and_replace(newest_fd, fd);
newest_realtime = realtime;
newest_is_system = is_system;
}
if (newest_fd < 0)
return log_info_errno(SYNTHETIC_ERRNO(ENOENT), "No archive journal found.");
r = sd_journal_open_files_fd(ret, &newest_fd, 1, SD_JOURNAL_ASSUME_IMMUTABLE);
_cleanup_free_ char *path = NULL;
(void) fd_get_path(newest_fd, &path);
if (r < 0)
log_info_errno(r, "Failed to open %s, ignoring: %m", strna(path));
else {
log_info("Opened %s.", strna(path));
TAKE_FD(newest_fd);
}
return r;
}
static void test_journal_flush_one(int argc, char *argv[]) {
_cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
_cleanup_free_ char *fn = NULL;
_cleanup_(rm_rf_physical_and_freep) char *dn = NULL;
_cleanup_(journal_file_offline_closep) JournalFile *new_journal = NULL;
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
unsigned n, limit;
int r;
assert_se(m = mmap_cache_new());
assert_se(mkdtemp_malloc("/var/tmp/test-journal-flush.XXXXXX", &dn) >= 0);
(void) chattr_path(dn, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
assert_se(fn = path_join(dn, "test.journal"));
r = journal_file_open(-EBADF, fn, O_CREAT|O_RDWR, 0, 0644, 0, NULL, m, NULL, &new_journal);
assert_se(r >= 0);
if (argc > 1)
r = sd_journal_open_files(&j, (const char **) strv_skip(argv, 1), SD_JOURNAL_ASSUME_IMMUTABLE);
else {
r = open_archive_file(&j);
if (r < 0)
r = sd_journal_open(&j, SD_JOURNAL_ASSUME_IMMUTABLE);
}
assert_se(r == 0);
sd_journal_set_data_threshold(j, 0);
n = 0;
limit = slow_tests_enabled() ? 10000 : 1000;
SD_JOURNAL_FOREACH(j) {
Object *o;
JournalFile *f;
f = j->current_file;
assert_se(f && f->current_offset > 0);
r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
if (r < 0)
log_error_errno(r, "journal_file_move_to_object failed: %m");
assert_se(r >= 0);
r = journal_file_copy_entry(f, new_journal, o, f->current_offset, NULL, NULL);
if (r < 0)
log_warning_errno(r, "journal_file_copy_entry failed: %m");
assert_se(r >= 0 ||
IN_SET(r, -EBADMSG, /* corrupted file */
-EPROTONOSUPPORT, /* unsupported compression */
-EIO, /* file rotated */
-EREMCHG)); /* clock rollback */
if (++n >= limit)
break;
}
if (n == 0)
return (void) log_tests_skipped("No journal entry found");
/* Open the new journal before archiving and offlining the file. */
sd_journal_close(j);
assert_se(sd_journal_open_directory(&j, dn, SD_JOURNAL_ASSUME_IMMUTABLE) >= 0);
/* Read the online journal. */
assert_se(sd_journal_seek_tail(j) >= 0);
assert_se(sd_journal_step_one(j, 0) > 0);
printf("current_journal: %s (%i)\n", j->current_file->path, j->current_file->fd);
assert_se(show_journal_entry(stdout, j, OUTPUT_EXPORT, 0, 0, NULL, NULL, NULL, &(dual_timestamp) {}, &(sd_id128_t) {}) >= 0);
uint64_t p;
assert_se(journal_file_tail_end_by_mmap(j->current_file, &p) >= 0);
for (uint64_t q = ALIGN64(p + 1); q < (uint64_t) j->current_file->last_stat.st_size; q = ALIGN64(q + 1)) {
Object *o;
r = journal_file_move_to_object(j->current_file, OBJECT_UNUSED, q, &o);
assert_se(IN_SET(r, -EBADMSG, -EADDRNOTAVAIL));
}
/* Archive and offline file. */
assert_se(journal_file_archive(new_journal, NULL) >= 0);
assert_se(journal_file_set_offline(new_journal, /* wait = */ true) >= 0);
/* Read the archived and offline journal. */
for (uint64_t q = ALIGN64(p + 1); q < (uint64_t) j->current_file->last_stat.st_size; q = ALIGN64(q + 1)) {
Object *o;
r = journal_file_move_to_object(j->current_file, OBJECT_UNUSED, q, &o);
assert_se(IN_SET(r, -EBADMSG, -EADDRNOTAVAIL, -EIDRM));
}
}
TEST(journal_flush) {
assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
test_journal_flush_one(saved_argc, saved_argv);
}
TEST(journal_flush_compact) {
assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
test_journal_flush_one(saved_argc, saved_argv);
}
DEFINE_TEST_MAIN(LOG_INFO);
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