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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "dirent-util.h"
#include "fd-util.h"
#include "format-table.h"
#include "format-util.h"
#include "journal-internal.h"
#include "journal-verify.h"
#include "journalctl.h"
#include "journalctl-misc.h"
#include "journalctl-util.h"
#include "logs-show.h"
#include "syslog-util.h"
int action_print_header(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
int r;
assert(arg_action == ACTION_PRINT_HEADER);
r = acquire_journal(&j);
if (r < 0)
return r;
journal_print_header(j);
return 0;
}
int action_verify(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
int r;
assert(arg_action == ACTION_VERIFY);
r = acquire_journal(&j);
if (r < 0)
return r;
log_show_color(true);
JournalFile *f;
ORDERED_HASHMAP_FOREACH(f, j->files) {
int k;
usec_t first = 0, validated = 0, last = 0;
#if HAVE_GCRYPT
if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path);
#endif
k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, /* show_progress = */ !arg_quiet);
if (k == -EINVAL)
/* If the key was invalid give up right-away. */
return k;
if (k < 0)
r = log_warning_errno(k, "FAIL: %s (%m)", f->path);
else {
char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
log_full(arg_quiet ? LOG_DEBUG : LOG_INFO, "PASS: %s", f->path);
if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
if (validated > 0) {
log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
"=> Validated from %s to %s, final %s entries not sealed.",
format_timestamp_maybe_utc(a, sizeof(a), first),
format_timestamp_maybe_utc(b, sizeof(b), validated),
FORMAT_TIMESPAN(last > validated ? last - validated : 0, 0));
} else if (last > 0)
log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
"=> No sealing yet, %s of entries not sealed.",
FORMAT_TIMESPAN(last - first, 0));
else
log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
"=> No sealing yet, no entries in file.");
}
}
}
return r;
}
int action_disk_usage(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
uint64_t bytes = 0;
int r;
assert(arg_action == ACTION_DISK_USAGE);
r = acquire_journal(&j);
if (r < 0)
return r;
r = sd_journal_get_usage(j, &bytes);
if (r < 0)
return log_error_errno(r, "Failed to get disk usage: %m");
printf("Archived and active journals take up %s in the file system.\n", FORMAT_BYTES(bytes));
return 0;
}
int action_list_boots(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
_cleanup_free_ BootId *boots = NULL;
size_t n_boots;
int r;
assert(arg_action == ACTION_LIST_BOOTS);
r = acquire_journal(&j);
if (r < 0)
return r;
r = journal_get_boots(
j,
/* advance_older = */ arg_lines_needs_seek_end(),
/* max_ids = */ arg_lines >= 0 ? (size_t) arg_lines : SIZE_MAX,
&boots, &n_boots);
if (r < 0)
return log_error_errno(r, "Failed to determine boots: %m");
if (r == 0)
return log_full_errno(arg_quiet ? LOG_DEBUG : LOG_ERR, SYNTHETIC_ERRNO(ENODATA),
"No boot found.");
table = table_new("idx", "boot id", "first entry", "last entry");
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
r = table_set_json_field_name(table, 0, "index");
if (r < 0)
return log_error_errno(r, "Failed to set JSON field name of column 0: %m");
(void) table_set_sort(table, (size_t) 0);
(void) table_set_reverse(table, 0, arg_reverse);
for (int i = 0; i < (int) n_boots; i++) {
int index;
if (arg_lines_needs_seek_end())
/* With --lines=N, we only know the negative index, and the older ID is located earlier. */
index = -i;
else if (arg_lines >= 0)
/* With --lines=+N, we only know the positive index, and the newer ID is located earlier. */
index = i + 1;
else
/* Otherwise, show negative index. Note, in this case, newer ID is located earlier. */
index = i + 1 - (int) n_boots;
r = table_add_many(table,
TABLE_INT, index,
TABLE_SET_ALIGN_PERCENT, 100,
TABLE_ID128, boots[i].id,
TABLE_TIMESTAMP, boots[i].first_usec,
TABLE_TIMESTAMP, boots[i].last_usec);
if (r < 0)
return table_log_add_error(r);
}
r = table_print_with_pager(table, arg_json_format_flags, arg_pager_flags, !arg_quiet);
if (r < 0)
return table_log_print_error(r);
return 0;
}
int action_list_fields(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
int r, n_shown = 0;
assert(arg_action == ACTION_LIST_FIELDS);
assert(arg_field);
r = acquire_journal(&j);
if (r < 0)
return r;
if (!journal_boot_has_effect(j))
return 0;
r = sd_journal_set_data_threshold(j, 0);
if (r < 0)
return log_error_errno(r, "Failed to unset data size threshold: %m");
r = sd_journal_query_unique(j, arg_field);
if (r < 0)
return log_error_errno(r, "Failed to query unique data objects: %m");
const void *data;
size_t size;
SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
const void *eq;
if (arg_lines >= 0 && n_shown >= arg_lines)
break;
eq = memchr(data, '=', size);
if (eq)
printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1);
else
printf("%.*s\n", (int) size, (const char*) data);
n_shown++;
}
return 0;
}
int action_list_field_names(void) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
int r;
assert(arg_action == ACTION_LIST_FIELD_NAMES);
r = acquire_journal(&j);
if (r < 0)
return r;
const char *field;
SD_JOURNAL_FOREACH_FIELD(j, field)
printf("%s\n", field);
return 0;
}
int action_list_namespaces(void) {
_cleanup_(table_unrefp) Table *table = NULL;
sd_id128_t machine;
int r;
assert(arg_action == ACTION_LIST_NAMESPACES);
r = sd_id128_get_machine(&machine);
if (r < 0)
return log_error_errno(r, "Failed to get machine ID: %m");
table = table_new("namespace");
if (!table)
return log_oom();
(void) table_set_sort(table, (size_t) 0);
FOREACH_STRING(dir, "/var/log/journal", "/run/log/journal") {
_cleanup_free_ char *path = NULL;
_cleanup_closedir_ DIR *dirp = NULL;
path = path_join(arg_root, dir);
if (!path)
return log_oom();
dirp = opendir(path);
if (!dirp) {
log_debug_errno(errno, "Failed to open directory %s, ignoring: %m", path);
continue;
}
FOREACH_DIRENT(de, dirp, return log_error_errno(errno, "Failed to iterate through %s: %m", path)) {
const char *e = strchr(de->d_name, '.');
if (!e)
continue;
_cleanup_free_ char *ids = strndup(de->d_name, e - de->d_name);
if (!ids)
return log_oom();
sd_id128_t id;
r = sd_id128_from_string(ids, &id);
if (r < 0)
continue;
if (!sd_id128_equal(machine, id))
continue;
e++;
if (!log_namespace_name_valid(e))
continue;
r = table_add_cell(table, NULL, TABLE_STRING, e);
if (r < 0)
return table_log_add_error(r);
}
}
if (table_isempty(table) && FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
if (!arg_quiet)
log_notice("No namespaces found.");
} else {
r = table_print_with_pager(table, arg_json_format_flags, arg_pager_flags, !arg_quiet);
if (r < 0)
return r;
}
return 0;
}
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