#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
-#include <time.h>
#include <getopt.h>
#include <signal.h>
+#include <poll.h>
#include <sys/stat.h>
-#include <sys/ioctl.h>
+#include <sys/inotify.h>
#include <linux/fs.h>
-#ifdef HAVE_ACL
-#include <sys/acl.h>
-#include "acl-util.h"
-#endif
-
-#include "systemd/sd-journal.h"
-
+#include "sd-journal.h"
+#include "sd-bus.h"
#include "log.h"
#include "logs-show.h"
#include "util.h"
+#include "acl-util.h"
#include "path-util.h"
#include "fileio.h"
#include "build.h"
#include "pager.h"
#include "strv.h"
#include "set.h"
+#include "sigbus.h"
#include "journal-internal.h"
#include "journal-def.h"
#include "journal-verify.h"
-#include "journal-authenticate.h"
#include "journal-qrcode.h"
+#include "journal-vacuum.h"
#include "fsprg.h"
#include "unit-name.h"
#include "catalog.h"
+#include "mkdir.h"
+#include "bus-util.h"
+#include "bus-error.h"
+#include "terminal-util.h"
+#include "hostname-util.h"
#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
+enum {
+ /* Special values for arg_lines */
+ ARG_LINES_DEFAULT = -2,
+ ARG_LINES_ALL = -1,
+};
+
static OutputMode arg_output = OUTPUT_SHORT;
static bool arg_utc = false;
static bool arg_pager_end = false;
static bool arg_full = true;
static bool arg_all = false;
static bool arg_no_pager = false;
-static int arg_lines = -2;
+static int arg_lines = ARG_LINES_DEFAULT;
static bool arg_no_tail = false;
static bool arg_quiet = false;
static bool arg_merge = false;
static int arg_journal_type = 0;
static const char *arg_root = NULL;
static const char *arg_machine = NULL;
+static off_t arg_vacuum_size = (off_t) -1;
+static usec_t arg_vacuum_time = USEC_INFINITY;
static enum {
ACTION_SHOW,
ACTION_DUMP_CATALOG,
ACTION_UPDATE_CATALOG,
ACTION_LIST_BOOTS,
+ ACTION_FLUSH,
+ ACTION_VACUUM,
} arg_action = ACTION_SHOW;
-typedef struct boot_id_t {
+typedef struct BootId {
sd_id128_t id;
uint64_t first;
uint64_t last;
-} boot_id_t;
+ LIST_FIELDS(struct BootId, boot_list);
+} BootId;
static void pager_open_if_enabled(void) {
" --system Show the system journal\n"
" --user Show the user journal for the current user\n"
" -M --machine=CONTAINER Operate on local container\n"
- " --since=DATE Start showing entries on or newer than the specified date\n"
- " --until=DATE Stop showing entries on or older than the specified date\n"
- " -c --cursor=CURSOR Start showing entries from the specified cursor\n"
- " --after-cursor=CURSOR Start showing entries from after the specified cursor\n"
+ " --since=DATE Show entries not older than the specified date\n"
+ " --until=DATE Show entries not newer than the specified date\n"
+ " -c --cursor=CURSOR Show entries starting at the specified cursor\n"
+ " --after-cursor=CURSOR Show entries after the specified cursor\n"
" --show-cursor Print the cursor after all the entries\n"
- " -b --boot[=ID] Show data only from ID or, if unspecified, the current boot\n"
+ " -b --boot[=ID] Show current boot or the specified boot\n"
" --list-boots Show terse information about recorded boots\n"
" -k --dmesg Show kernel message log from the current boot\n"
- " -u --unit=UNIT Show data only from the specified unit\n"
- " --user-unit=UNIT Show data only from the specified user session unit\n"
- " -t --identifier=STRING Show only messages with the specified syslog identifier\n"
- " -p --priority=RANGE Show only messages within the specified priority range\n"
- " -e --pager-end Immediately jump to end of the journal in the pager\n"
+ " -u --unit=UNIT Show logs from the specified unit\n"
+ " --user-unit=UNIT Show logs from the specified user unit\n"
+ " -t --identifier=STRING Show entries with the specified syslog identifier\n"
+ " -p --priority=RANGE Show entries with the specified priority\n"
+ " -e --pager-end Immediately jump to the end in the pager\n"
" -f --follow Follow the journal\n"
" -n --lines[=INTEGER] Number of journal entries to show\n"
" --no-tail Show all lines, even in follow mode\n"
#ifdef HAVE_GCRYPT
" --interval=TIME Time interval for changing the FSS sealing key\n"
" --verify-key=KEY Specify FSS verification key\n"
- " --force Force overriding of the FSS key pair with --setup-keys\n"
+ " --force Override of the FSS key pair with --setup-keys\n"
#endif
"\nCommands:\n"
" -h --help Show this help text\n"
" --version Show package version\n"
+ " -F --field=FIELD List all values that a specified field takes\n"
" --new-id128 Generate a new 128-bit ID\n"
- " --header Show journal header information\n"
" --disk-usage Show total disk usage of all journal files\n"
- " -F --field=FIELD List all values that a specified field takes\n"
- " --list-catalog Show message IDs of all entries in the message catalog\n"
+ " --vacuum-size=BYTES Reduce disk usage below specified size\n"
+ " --vacuum-time=TIME Remove journal files older than specified date\n"
+ " --flush Flush all journal data from /run into /var\n"
+ " --header Show journal header information\n"
+ " --list-catalog Show all message IDs in the catalog\n"
" --dump-catalog Show entries in the message catalog\n"
" --update-catalog Update the message catalog database\n"
#ifdef HAVE_GCRYPT
ARG_UPDATE_CATALOG,
ARG_FORCE,
ARG_UTC,
+ ARG_FLUSH,
+ ARG_VACUUM_SIZE,
+ ARG_VACUUM_TIME,
};
static const struct option options[] = {
{ "reverse", no_argument, NULL, 'r' },
{ "machine", required_argument, NULL, 'M' },
{ "utc", no_argument, NULL, ARG_UTC },
+ { "flush", no_argument, NULL, ARG_FLUSH },
+ { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
+ { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
{}
};
case 'e':
arg_pager_end = true;
- if (arg_lines < -1)
+ if (arg_lines == ARG_LINES_DEFAULT)
arg_lines = 1000;
break;
case 'n':
if (optarg) {
if (streq(optarg, "all"))
- arg_lines = -1;
+ arg_lines = ARG_LINES_ALL;
else {
r = safe_atoi(optarg, &arg_lines);
if (r < 0 || arg_lines < 0) {
if (optind < argc) {
int n;
if (streq(argv[optind], "all")) {
- arg_lines = -1;
+ arg_lines = ARG_LINES_ALL;
optind++;
} else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) {
arg_lines = n;
arg_boot = true;
if (optarg) {
- r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
+ r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
if (r < 0) {
log_error("Failed to parse boot descriptor '%s'", optarg);
return -EINVAL;
case ARG_FILE:
r = glob_extend(&arg_file, optarg);
- if (r < 0) {
- log_error("Failed to add paths: %s", strerror(-r));
- return r;
- };
+ if (r < 0)
+ return log_error_errno(r, "Failed to add paths: %m");
break;
case ARG_ROOT:
arg_action = ACTION_DISK_USAGE;
break;
+ case ARG_VACUUM_SIZE:
+ r = parse_size(optarg, 1024, &arg_vacuum_size);
+ if (r < 0) {
+ log_error("Failed to parse vacuum size: %s", optarg);
+ return r;
+ }
+
+ arg_action = ACTION_VACUUM;
+ break;
+
+ case ARG_VACUUM_TIME:
+ r = parse_sec(optarg, &arg_vacuum_time);
+ if (r < 0) {
+ log_error("Failed to parse vacuum time: %s", optarg);
+ return r;
+ }
+
+ arg_action = ACTION_VACUUM;
+ break;
+
#ifdef HAVE_GCRYPT
case ARG_FORCE:
arg_force = true;
case ARG_INTERVAL:
case ARG_FORCE:
log_error("Forward-secure sealing not available.");
- return -ENOTSUP;
+ return -EOPNOTSUPP;
#endif
case 'p': {
arg_utc = true;
break;
+ case ARG_FLUSH:
+ arg_action = ACTION_FLUSH;
+ break;
+
case '?':
return -EINVAL;
assert_not_reached("Unhandled option");
}
- if (arg_follow && !arg_no_tail && arg_lines < -1)
+ if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT)
arg_lines = 10;
if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
return -EINVAL;
}
+ if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && (arg_file || arg_directory || arg_merge)) {
+ log_error("Using --boot or --list-boots with --file, --directory or --merge is not supported.");
+ return -EINVAL;
+ }
+
return 1;
}
unsigned i;
r = sd_id128_randomize(&id);
- if (r < 0) {
- log_error("Failed to generate ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate ID: %m");
printf("As string:\n"
SD_ID128_FORMAT_STR "\n\n"
p = canonicalize_file_name(*i);
path = p ? p : *i;
- if (stat(path, &st) < 0) {
- log_error("Couldn't stat file: %m");
- return -errno;
- }
+ if (lstat(path, &st) < 0)
+ return log_error_errno(errno, "Couldn't stat file: %m");
if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
if (executable_is_script(path, &interpreter) > 0) {
}
} else
t = strappend("_EXE=", path);
- } else if (S_ISCHR(st.st_mode)) {
- if (asprintf(&t, "_KERNEL_DEVICE=c%u:%u",
- major(st.st_rdev),
- minor(st.st_rdev)) < 0)
- return -ENOMEM;
- } else if (S_ISBLK(st.st_mode)) {
- if (asprintf(&t, "_KERNEL_DEVICE=b%u:%u",
- major(st.st_rdev),
- minor(st.st_rdev)) < 0)
- return -ENOMEM;
- } else {
+ } else if (S_ISCHR(st.st_mode))
+ (void) asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
+ else if (S_ISBLK(st.st_mode))
+ (void) asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
+ else {
log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
return -EINVAL;
}
have_term = true;
}
- if (r < 0) {
- log_error("Failed to add match '%s': %s", *i, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match '%s': %m", *i);
}
if (!strv_isempty(args) && !have_term) {
return 0;
}
-static int boot_id_cmp(const void *a, const void *b) {
- uint64_t _a, _b;
-
- _a = ((const boot_id_t *)a)->first;
- _b = ((const boot_id_t *)b)->first;
+static void boot_id_free_all(BootId *l) {
- return _a < _b ? -1 : (_a > _b ? 1 : 0);
+ while (l) {
+ BootId *i = l;
+ LIST_REMOVE(boot_list, l, i);
+ free(i);
+ }
}
-static int list_boots(sd_journal *j) {
+static int discover_next_boot(
+ sd_journal *j,
+ BootId **boot,
+ bool advance_older,
+ bool read_realtime) {
+
int r;
- const void *data;
- unsigned int count = 0;
- int w, i;
- size_t length, allocated = 0;
- boot_id_t *id;
- _cleanup_free_ boot_id_t *all_ids = NULL;
-
- r = sd_journal_query_unique(j, "_BOOT_ID");
- if (r < 0)
- return r;
+ char match[9+32+1] = "_BOOT_ID=";
+ _cleanup_free_ BootId *next_boot = NULL;
- SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
+ assert(j);
+ assert(boot);
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
- return log_oom();
+ /* We expect the journal to be on the last position of a boot
+ * (in relation to the direction we are going), so that the next
+ * invocation of sd_journal_next/previous will be from a different
+ * boot. We then collect any information we desire and then jump
+ * to the last location of the new boot by using a _BOOT_ID match
+ * coming from the other journal direction. */
- id = &all_ids[count];
+ /* Make sure we aren't restricted by any _BOOT_ID matches, so that
+ * we can actually advance to a *different* boot. */
+ sd_journal_flush_matches(j);
- r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
- if (r < 0)
- continue;
+ if (advance_older)
+ r = sd_journal_previous(j);
+ else
+ r = sd_journal_next(j);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ return 0; /* End of journal, yay. */
- r = sd_journal_add_match(j, data, length);
- if (r < 0)
- return r;
+ next_boot = new0(BootId, 1);
+ if (!next_boot)
+ return -ENOMEM;
- r = sd_journal_seek_head(j);
- if (r < 0)
- return r;
+ r = sd_journal_get_monotonic_usec(j, NULL, &next_boot->id);
+ if (r < 0)
+ return r;
- r = sd_journal_next(j);
+ if (read_realtime) {
+ r = sd_journal_get_realtime_usec(j, &next_boot->first);
if (r < 0)
return r;
- else if (r == 0)
- goto flush;
+ }
- r = sd_journal_get_realtime_usec(j, &id->first);
- if (r < 0)
- return r;
+ /* Now seek to the last occurrence of this boot ID. */
+ sd_id128_to_string(next_boot->id, match + 9);
+ r = sd_journal_add_match(j, match, sizeof(match) - 1);
+ if (r < 0)
+ return r;
+ if (advance_older)
+ r = sd_journal_seek_head(j);
+ else
r = sd_journal_seek_tail(j);
- if (r < 0)
- return r;
+ if (r < 0)
+ return r;
+ if (advance_older)
+ r = sd_journal_next(j);
+ else
r = sd_journal_previous(j);
- if (r < 0)
- return r;
- else if (r == 0)
- goto flush;
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ return -ENODATA; /* This shouldn't happen. We just came from this very boot ID. */
- r = sd_journal_get_realtime_usec(j, &id->last);
+ if (read_realtime) {
+ r = sd_journal_get_realtime_usec(j, &next_boot->last);
if (r < 0)
return r;
-
- count++;
- flush:
- sd_journal_flush_matches(j);
}
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
-
- /* numbers are one less, but we need an extra char for the sign */
- w = DECIMAL_STR_WIDTH(count - 1) + 1;
-
- for (id = all_ids, i = 0; id < all_ids + count; id++, i++) {
- char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
-
- printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
- w, i - count + 1,
- SD_ID128_FORMAT_VAL(id->id),
- format_timestamp_maybe_utc(a, sizeof(a), id->first),
- format_timestamp_maybe_utc(b, sizeof(b), id->last));
- }
+ *boot = next_boot;
+ next_boot = NULL;
return 0;
}
-static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
- int r;
- const void *data;
- unsigned int count = 0;
- size_t length, allocated = 0;
- boot_id_t ref_boot_id = {SD_ID128_NULL}, *id;
- _cleanup_free_ boot_id_t *all_ids = NULL;
+static int get_boots(
+ sd_journal *j,
+ BootId **boots,
+ BootId *query_ref_boot,
+ int ref_boot_offset) {
- assert(j);
- assert(boot_id);
-
- r = sd_journal_query_unique(j, "_BOOT_ID");
- if (r < 0)
- return r;
+ bool skip_once;
+ int r, count = 0;
+ BootId *head = NULL, *tail = NULL;
+ const bool advance_older = query_ref_boot && ref_boot_offset <= 0;
- SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
+ assert(j);
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
- return log_oom();
+ /* Adjust for the asymmetry that offset 0 is
+ * the last (and current) boot, while 1 is considered the
+ * (chronological) first boot in the journal. */
+ skip_once = query_ref_boot && sd_id128_is_null(query_ref_boot->id) && ref_boot_offset < 0;
- id = &all_ids[count];
+ /* Advance to the earliest/latest occurrence of our reference
+ * boot ID (taking our lookup direction into account), so that
+ * discover_next_boot() can do its job.
+ * If no reference is given, the journal head/tail will do,
+ * they're "virtual" boots after all. */
+ if (query_ref_boot && !sd_id128_is_null(query_ref_boot->id)) {
+ char match[9+32+1] = "_BOOT_ID=";
- r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
- if (r < 0)
- continue;
+ sd_journal_flush_matches(j);
- r = sd_journal_add_match(j, data, length);
+ sd_id128_to_string(query_ref_boot->id, match + 9);
+ r = sd_journal_add_match(j, match, sizeof(match) - 1);
if (r < 0)
return r;
- r = sd_journal_seek_head(j);
+ if (advance_older)
+ r = sd_journal_seek_head(j);
+ else
+ r = sd_journal_seek_tail(j);
if (r < 0)
return r;
- r = sd_journal_next(j);
+ if (advance_older)
+ r = sd_journal_next(j);
+ else
+ r = sd_journal_previous(j);
if (r < 0)
return r;
else if (r == 0)
- goto flush;
-
- r = sd_journal_get_realtime_usec(j, &id->first);
+ goto finish;
+ else if (ref_boot_offset == 0) {
+ count = 1;
+ goto finish;
+ }
+ } else {
+ if (advance_older)
+ r = sd_journal_seek_tail(j);
+ else
+ r = sd_journal_seek_head(j);
if (r < 0)
return r;
- if (sd_id128_equal(id->id, *boot_id))
- ref_boot_id = *id;
+ /* No sd_journal_next/previous here. */
+ }
- count++;
- flush:
- sd_journal_flush_matches(j);
+ for (;;) {
+ _cleanup_free_ BootId *current = NULL;
+
+ r = discover_next_boot(j, ¤t, advance_older, !query_ref_boot);
+ if (r < 0) {
+ boot_id_free_all(head);
+ return r;
+ }
+
+ if (!current)
+ break;
+
+ if (query_ref_boot) {
+ if (!skip_once)
+ ref_boot_offset += advance_older ? 1 : -1;
+ skip_once = false;
+
+ if (ref_boot_offset == 0) {
+ count = 1;
+ query_ref_boot->id = current->id;
+ break;
+ }
+ } else {
+ LIST_INSERT_AFTER(boot_list, head, tail, current);
+ tail = current;
+ current = NULL;
+ count++;
+ }
}
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+finish:
+ if (boots)
+ *boots = head;
- if (sd_id128_equal(*boot_id, SD_ID128_NULL)) {
- if (relative > (int) count || relative <= -(int)count)
- return -EADDRNOTAVAIL;
+ sd_journal_flush_matches(j);
- *boot_id = all_ids[(relative <= 0)*count + relative - 1].id;
- } else {
- id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+ return count;
+}
- if (!id ||
- relative <= 0 ? (id - all_ids) + relative < 0 :
- (id - all_ids) + relative >= (int) count)
- return -EADDRNOTAVAIL;
+static int list_boots(sd_journal *j) {
+ int w, i, count;
+ BootId *id, *all_ids;
+
+ assert(j);
- *boot_id = (id + relative)->id;
+ count = get_boots(j, &all_ids, NULL, 0);
+ if (count < 0)
+ return log_error_errno(count, "Failed to determine boots: %m");
+ if (count == 0)
+ return count;
+
+ pager_open_if_enabled();
+
+ /* numbers are one less, but we need an extra char for the sign */
+ w = DECIMAL_STR_WIDTH(count - 1) + 1;
+
+ i = 0;
+ LIST_FOREACH(boot_list, id, all_ids) {
+ char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
+
+ printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
+ w, i - count + 1,
+ SD_ID128_FORMAT_VAL(id->id),
+ format_timestamp_maybe_utc(a, sizeof(a), id->first),
+ format_timestamp_maybe_utc(b, sizeof(b), id->last));
+ i++;
}
+ boot_id_free_all(all_ids);
+
return 0;
}
static int add_boot(sd_journal *j) {
char match[9+32+1] = "_BOOT_ID=";
int r;
+ BootId ref_boot_id = {};
assert(j);
if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
return add_match_this_boot(j, arg_machine);
- r = get_relative_boot_id(j, &arg_boot_id, arg_boot_offset);
- if (r < 0) {
- if (sd_id128_equal(arg_boot_id, SD_ID128_NULL))
- log_error("Failed to look up boot %+i: %s", arg_boot_offset, strerror(-r));
+ ref_boot_id.id = arg_boot_id;
+ r = get_boots(j, NULL, &ref_boot_id, arg_boot_offset);
+ assert(r <= 1);
+ if (r <= 0) {
+ const char *reason = (r == 0) ? "No such boot ID in journal" : strerror(-r);
+
+ if (sd_id128_is_null(arg_boot_id))
+ log_error("Failed to look up boot %+i: %s", arg_boot_offset, reason);
else
log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s",
- SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, strerror(-r));
- return r;
+ SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, reason);
+
+ return r == 0 ? -ENODATA : r;
}
- sd_id128_to_string(arg_boot_id, match + 9);
+ sd_id128_to_string(ref_boot_id.id, match + 9);
r = sd_journal_add_match(j, match, sizeof(match) - 1);
- if (r < 0) {
- log_error("Failed to add match: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
r = sd_journal_add_conjunction(j);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to add conjunction: %m");
return 0;
}
return 0;
r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel"));
- if (r < 0) {
- log_error("Failed to add match: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
r = sd_journal_add_conjunction(j);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to add conjunction: %m");
return 0;
}
-static int get_possible_units(sd_journal *j,
- const char *fields,
- char **patterns,
- Set **units) {
+static int get_possible_units(
+ sd_journal *j,
+ const char *fields,
+ char **patterns,
+ Set **units) {
+
_cleanup_set_free_free_ Set *found;
const char *field;
int r;
found = set_new(&string_hash_ops);
if (!found)
- return log_oom();
+ return -ENOMEM;
NULSTR_FOREACH(field, fields) {
const void *data;
u = strndup((char*) data + prefix, size - prefix);
if (!u)
- return log_oom();
+ return -ENOMEM;
STRV_FOREACH(pattern, patterns)
if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
STRV_FOREACH(i, arg_system_units) {
_cleanup_free_ char *u = NULL;
- u = unit_name_mangle(*i, MANGLE_GLOB);
- if (!u)
- return log_oom();
+ r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
+ if (r < 0)
+ return r;
if (string_is_glob(u)) {
r = strv_push(&patterns, u);
STRV_FOREACH(i, arg_user_units) {
_cleanup_free_ char *u = NULL;
- u = unit_name_mangle(*i, MANGLE_GLOB);
- if (!u)
- return log_oom();
+ r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
+ if (r < 0)
+ return r;
if (string_is_glob(u)) {
r = strv_push(&patterns, u);
match[sizeof(match)-2] = '0' + i;
r = sd_journal_add_match(j, match, strlen(match));
- if (r < 0) {
- log_error("Failed to add match: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
}
r = sd_journal_add_conjunction(j);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to add conjunction: %m");
return 0;
}
STRV_FOREACH(i, arg_syslog_identifier) {
char *u;
- u = strappenda("SYSLOG_IDENTIFIER=", *i);
+ u = strjoina("SYSLOG_IDENTIFIER=", *i);
r = sd_journal_add_match(j, u, 0);
if (r < 0)
return r;
#ifdef HAVE_GCRYPT
size_t mpk_size, seed_size, state_size, i;
uint8_t *mpk, *seed, *state;
- ssize_t l;
- int fd = -1, r, attr = 0;
+ int fd = -1, r;
sd_id128_t machine, boot;
char *p = NULL, *k = NULL;
struct FSSHeader h;
struct stat st;
r = stat("/var/log/journal", &st);
- if (r < 0 && errno != ENOENT && errno != ENOTDIR) {
- log_error("stat(\"%s\") failed: %m", "/var/log/journal");
- return -errno;
- }
+ if (r < 0 && errno != ENOENT && errno != ENOTDIR)
+ return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal");
if (r < 0 || !S_ISDIR(st.st_mode)) {
log_error("%s is not a directory, must be using persistent logging for FSS.",
}
r = sd_id128_get_machine(&machine);
- if (r < 0) {
- log_error("Failed to get machine ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine ID: %m");
r = sd_id128_get_boot(&boot);
- if (r < 0) {
- log_error("Failed to get boot ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get boot ID: %m");
if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
SD_ID128_FORMAT_VAL(machine)) < 0)
return log_oom();
- if (access(p, F_OK) >= 0) {
- if (arg_force) {
- r = unlink(p);
- if (r < 0) {
- log_error("unlink(\"%s\") failed: %m", p);
- r = -errno;
- goto finish;
- }
- } else {
- log_error("Sealing key file %s exists already. (--force to recreate)", p);
- r = -EEXIST;
+ if (arg_force) {
+ r = unlink(p);
+ if (r < 0 && errno != ENOENT) {
+ r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
goto finish;
}
+ } else if (access(p, F_OK) >= 0) {
+ log_error("Sealing key file %s exists already. Use --force to recreate.", p);
+ r = -EEXIST;
+ goto finish;
}
if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (fd < 0) {
- log_error("Failed to open /dev/random: %m");
+ log_error_errno(errno, "Failed to open /dev/random: %m");
r = -errno;
goto finish;
}
log_info("Generating seed...");
- l = loop_read(fd, seed, seed_size, true);
- if (l < 0 || (size_t) l != seed_size) {
- log_error("Failed to read random seed: %s", strerror(EIO));
- r = -EIO;
+ r = loop_read_exact(fd, seed, seed_size, true);
+ if (r < 0) {
+ log_error_errno(r, "Failed to read random seed: %m");
goto finish;
}
safe_close(fd);
fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
if (fd < 0) {
- log_error("Failed to open %s: %m", k);
+ log_error_errno(errno, "Failed to open %s: %m", k);
r = -errno;
goto finish;
}
/* Enable secure remove, exclusion from dump, synchronous
* writing and in-place updating */
- if (ioctl(fd, FS_IOC_GETFLAGS, &attr) < 0)
- log_warning("FS_IOC_GETFLAGS failed: %m");
-
- attr |= FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL;
-
- if (ioctl(fd, FS_IOC_SETFLAGS, &attr) < 0)
- log_warning("FS_IOC_SETFLAGS failed: %m");
+ r = chattr_fd(fd, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL);
+ if (r < 0)
+ log_warning_errno(errno, "Failed to set file attributes: %m");
zero(h);
memcpy(h.signature, "KSHHRHLP", 8);
h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR);
h.fsprg_state_size = htole64(state_size);
- l = loop_write(fd, &h, sizeof(h), false);
- if (l < 0 || (size_t) l != sizeof(h)) {
- log_error("Failed to write header: %s", strerror(EIO));
- r = -EIO;
+ r = loop_write(fd, &h, sizeof(h), false);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write header: %m");
goto finish;
}
- l = loop_write(fd, state, state_size, false);
- if (l < 0 || (size_t) l != state_size) {
- log_error("Failed to write state: %s", strerror(EIO));
- r = -EIO;
+ r = loop_write(fd, state, state_size, false);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write state: %m");
goto finish;
}
if (link(k, p) < 0) {
- log_error("Failed to link file: %m");
+ log_error_errno(errno, "Failed to link file: %m");
r = -errno;
goto finish;
}
hn = gethostname_malloc();
if (hn) {
- hostname_cleanup(hn, false);
+ hostname_cleanup(hn);
fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine));
} else
fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine));
return r;
#else
log_error("Forward-secure sealing not available.");
- return -ENOTSUP;
+ return -EOPNOTSUPP;
#endif
}
log_show_color(true);
- HASHMAP_FOREACH(f, j->files, i) {
+ ORDERED_HASHMAP_FOREACH(f, j->files, i) {
int k;
- usec_t first, validated, last;
+ usec_t first = 0, validated = 0, last = 0;
#ifdef HAVE_GCRYPT
if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
return r;
}
-#ifdef HAVE_ACL
static int access_check_var_log_journal(sd_journal *j) {
+#ifdef HAVE_ACL
_cleanup_strv_free_ char **g = NULL;
- bool have_access;
+ const char* dir;
+#endif
int r;
assert(j);
- have_access = in_group("systemd-journal") > 0;
+ if (arg_quiet)
+ return 0;
- if (!have_access) {
- /* Let's enumerate all groups from the default ACL of
- * the directory, which generally should allow access
- * to most journal files too */
- r = search_acl_groups(&g, "/var/log/journal/", &have_access);
- if (r < 0)
- return r;
- }
+ /* If we are root, we should have access, don't warn. */
+ if (getuid() == 0)
+ return 0;
- if (!have_access) {
+ /* If we are in the 'systemd-journal' group, we should have
+ * access too. */
+ r = in_group("systemd-journal");
+ if (r < 0)
+ return log_error_errno(r, "Failed to check if we are in the 'systemd-journal' group: %m");
+ if (r > 0)
+ return 0;
- if (strv_isempty(g))
- log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
- " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
- " turn off this notice.");
- else {
- _cleanup_free_ char *s = NULL;
+#ifdef HAVE_ACL
+ if (laccess("/run/log/journal", F_OK) >= 0)
+ dir = "/run/log/journal";
+ else
+ dir = "/var/log/journal";
- r = strv_extend(&g, "systemd-journal");
- if (r < 0)
- return log_oom();
+ /* If we are in any of the groups listed in the journal ACLs,
+ * then all is good, too. Let's enumerate all groups from the
+ * default ACL of the directory, which generally should allow
+ * access to most journal files too. */
+ r = acl_search_groups(dir, &g);
+ if (r < 0)
+ return log_error_errno(r, "Failed to search journal ACL: %m");
+ if (r > 0)
+ return 0;
- strv_sort(g);
- strv_uniq(g);
+ /* Print a pretty list, if there were ACLs set. */
+ if (!strv_isempty(g)) {
+ _cleanup_free_ char *s = NULL;
- s = strv_join(g, "', '");
- if (!s)
- return log_oom();
+ /* Thre are groups in the ACL, let's list them */
+ r = strv_extend(&g, "systemd-journal");
+ if (r < 0)
+ return log_oom();
- log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
- " Users in the groups '%s' can see all messages.\n"
- " Pass -q to turn off this notice.", s);
- }
+ strv_sort(g);
+ strv_uniq(g);
+
+ s = strv_join(g, "', '");
+ if (!s)
+ return log_oom();
+
+ log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
+ " Users in groups '%s' can see all messages.\n"
+ " Pass -q to turn off this notice.", s);
+ return 1;
}
+#endif
- return 0;
+ /* If no ACLs were found, print a short version of the message. */
+ log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
+ " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
+ " turn off this notice.");
+
+ return 1;
}
-#endif
static int access_check(sd_journal *j) {
Iterator it;
assert(j);
if (set_isempty(j->errors)) {
- if (hashmap_isempty(j->files))
+ if (ordered_hashmap_isempty(j->files))
log_notice("No journal files were found.");
+
return 0;
}
if (set_contains(j->errors, INT_TO_PTR(-EACCES))) {
-#ifdef HAVE_ACL
- /* If /var/log/journal doesn't even exist,
- * unprivileged users have no access at all */
- if (access("/var/log/journal", F_OK) < 0 &&
- geteuid() != 0 &&
- in_group("systemd-journal") <= 0) {
- log_error("Unprivileged users cannot access messages, unless persistent log storage is\n"
- "enabled. Users in the 'systemd-journal' group may always access messages.");
- return -EACCES;
- }
-
- /* If /var/log/journal exists, try to pring a nice
- notice if the user lacks access to it */
- if (!arg_quiet && geteuid() != 0) {
- r = access_check_var_log_journal(j);
- if (r < 0)
- return r;
- }
-#else
- if (geteuid() != 0 && in_group("systemd-journal") <= 0) {
- log_error("Unprivileged users cannot access messages. Users in the 'systemd-journal' group\n"
- "group may access messages.");
- return -EACCES;
- }
-#endif
+ (void) access_check_var_log_journal(j);
- if (hashmap_isempty(j->files)) {
- log_error("No journal files were opened due to insufficient permissions.");
- r = -EACCES;
- }
+ if (ordered_hashmap_isempty(j->files))
+ r = log_error_errno(EACCES, "No journal files were opened due to insufficient permissions.");
}
SET_FOREACH(code, j->errors, it) {
err = -PTR_TO_INT(code);
assert(err > 0);
- if (err != EACCES)
- log_warning("Error was encountered while opening journal files: %s",
- strerror(err));
+ if (err == EACCES)
+ continue;
+
+ log_warning_errno(err, "Error was encountered while opening journal files: %m");
+ if (r == 0)
+ r = -err;
}
return r;
}
+static int flush_to_var(void) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
+ _cleanup_close_ int watch_fd = -1;
+ int r;
+
+ /* Quick exit */
+ if (access("/run/systemd/journal/flushed", F_OK) >= 0)
+ return 0;
+
+ /* OK, let's actually do the full logic, send SIGUSR1 to the
+ * daemon and set up inotify to wait for the flushed file to appear */
+ r = bus_open_system_systemd(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get D-Bus connection: %m");
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ &error,
+ NULL,
+ "ssi", "systemd-journald.service", "main", SIGUSR1);
+ if (r < 0) {
+ log_error("Failed to kill journal service: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ mkdir_p("/run/systemd/journal", 0755);
+
+ watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
+ if (watch_fd < 0)
+ return log_error_errno(errno, "Failed to create inotify watch: %m");
+
+ r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
+ if (r < 0)
+ return log_error_errno(errno, "Failed to watch journal directory: %m");
+
+ for (;;) {
+ if (access("/run/systemd/journal/flushed", F_OK) >= 0)
+ break;
+
+ if (errno != ENOENT)
+ return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m");
+
+ r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
+ if (r < 0)
+ return log_error_errno(r, "Failed to wait for event: %m");
+
+ r = flush_fd(watch_fd);
+ if (r < 0)
+ return log_error_errno(r, "Failed to flush inotify events: %m");
+ }
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
int r;
_cleanup_journal_close_ sd_journal *j = NULL;
goto finish;
signal(SIGWINCH, columns_lines_cache_reset);
+ sigbus_install();
+
+ /* Increase max number of open files to 16K if we can, we
+ * might needs this when browsing journal files, which might
+ * be split up into many files. */
+ setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
if (arg_action == ACTION_NEW_ID128) {
r = generate_new_id128();
goto finish;
}
+ if (arg_action == ACTION_FLUSH) {
+ r = flush_to_var();
+ goto finish;
+ }
+
if (arg_action == ACTION_SETUP_KEYS) {
r = setup_keys();
goto finish;
if (arg_action == ACTION_UPDATE_CATALOG) {
r = catalog_update(database, arg_root, catalog_file_dirs);
if (r < 0)
- log_error("Failed to list catalog: %s", strerror(-r));
+ log_error_errno(r, "Failed to list catalog: %m");
} else {
bool oneline = arg_action == ACTION_LIST_CATALOG;
else
r = catalog_list(stdout, database, oneline);
if (r < 0)
- log_error("Failed to list catalog: %s", strerror(-r));
+ log_error_errno(r, "Failed to list catalog: %m");
}
goto finish;
else
r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
if (r < 0) {
- log_error("Failed to open %s: %s",
- arg_directory ? arg_directory : arg_file ? "files" : "journal",
- strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to open %s: %m",
+ arg_directory ? arg_directory : arg_file ? "files" : "journal");
+ goto finish;
}
r = access_check(j);
if (r < 0)
- return EXIT_FAILURE;
+ goto finish;
if (arg_action == ACTION_VERIFY) {
r = verify(j);
if (arg_action == ACTION_PRINT_HEADER) {
journal_print_header(j);
- return EXIT_SUCCESS;
+ r = 0;
+ goto finish;
}
if (arg_action == ACTION_DISK_USAGE) {
r = sd_journal_get_usage(j, &bytes);
if (r < 0)
- return EXIT_FAILURE;
+ goto finish;
- printf("Journals take up %s on disk.\n",
+ printf("Archived and active journals take up %s on disk.\n",
format_bytes(sbytes, sizeof(sbytes), bytes));
- return EXIT_SUCCESS;
+ goto finish;
+ }
+
+ if (arg_action == ACTION_VACUUM) {
+ Directory *d;
+ Iterator i;
+
+ HASHMAP_FOREACH(d, j->directories_by_path, i) {
+ int q;
+
+ if (d->is_root)
+ continue;
+
+ q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_time, NULL, true);
+ if (q < 0) {
+ log_error_errno(q, "Failed to vacuum: %m");
+ r = q;
+ }
+ }
+
+ goto finish;
}
if (arg_action == ACTION_LIST_BOOTS) {
* It may need to seek the journal to find parent boot IDs. */
r = add_boot(j);
if (r < 0)
- return EXIT_FAILURE;
+ goto finish;
r = add_dmesg(j);
if (r < 0)
- return EXIT_FAILURE;
+ goto finish;
r = add_units(j);
- strv_free(arg_system_units);
- strv_free(arg_user_units);
-
if (r < 0) {
- log_error("Failed to add filter for units: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to add filter for units: %m");
+ goto finish;
}
r = add_syslog_identifier(j);
if (r < 0) {
- log_error("Failed to add filter for syslog identifiers: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
+ goto finish;
}
r = add_priorities(j);
- if (r < 0) {
- log_error("Failed to add filter for priorities: %s", strerror(-r));
- return EXIT_FAILURE;
- }
+ if (r < 0)
+ goto finish;
r = add_matches(j, argv + optind);
- if (r < 0) {
- log_error("Failed to add filters: %s", strerror(-r));
- return EXIT_FAILURE;
- }
+ if (r < 0)
+ goto finish;
- if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) {
+ if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
_cleanup_free_ char *filter;
filter = journal_make_match_string(j);
+ if (!filter)
+ return log_oom();
+
log_debug("Journal filter: %s", filter);
}
r = sd_journal_set_data_threshold(j, 0);
if (r < 0) {
- log_error("Failed to unset data size threshold");
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to unset data size threshold: %m");
+ goto finish;
}
r = sd_journal_query_unique(j, arg_field);
if (r < 0) {
- log_error("Failed to query unique data objects: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to query unique data objects: %m");
+ goto finish;
}
SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
n_shown ++;
}
- return EXIT_SUCCESS;
+ r = 0;
+ goto finish;
}
/* Opening the fd now means the first sd_journal_wait() will actually wait */
if (arg_follow) {
r = sd_journal_get_fd(j);
- if (r < 0)
- return EXIT_FAILURE;
+ if (r < 0) {
+ log_error_errno(r, "Failed to get journal fd: %m");
+ goto finish;
+ }
}
if (arg_cursor || arg_after_cursor) {
r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
if (r < 0) {
- log_error("Failed to seek to cursor: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to cursor: %m");
+ goto finish;
}
+
if (!arg_reverse)
r = sd_journal_next_skip(j, 1 + !!arg_after_cursor);
else
r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
- if (arg_after_cursor && r < 2 && !arg_follow)
+ if (arg_after_cursor && r < 2) {
/* We couldn't find the next entry after the cursor. */
- arg_lines = 0;
+ if (arg_follow)
+ need_seek = true;
+ else
+ arg_lines = 0;
+ }
} else if (arg_since_set && !arg_reverse) {
r = sd_journal_seek_realtime_usec(j, arg_since);
if (r < 0) {
- log_error("Failed to seek to date: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to date: %m");
+ goto finish;
}
r = sd_journal_next(j);
} else if (arg_until_set && arg_reverse) {
r = sd_journal_seek_realtime_usec(j, arg_until);
if (r < 0) {
- log_error("Failed to seek to date: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to date: %m");
+ goto finish;
}
r = sd_journal_previous(j);
} else if (arg_lines >= 0) {
r = sd_journal_seek_tail(j);
if (r < 0) {
- log_error("Failed to seek to tail: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to tail: %m");
+ goto finish;
}
r = sd_journal_previous_skip(j, arg_lines);
} else if (arg_reverse) {
r = sd_journal_seek_tail(j);
if (r < 0) {
- log_error("Failed to seek to tail: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to tail: %m");
+ goto finish;
}
r = sd_journal_previous(j);
} else {
r = sd_journal_seek_head(j);
if (r < 0) {
- log_error("Failed to seek to head: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to seek to head: %m");
+ goto finish;
}
r = sd_journal_next(j);
}
if (r < 0) {
- log_error("Failed to iterate through journal: %s", strerror(-r));
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to iterate through journal: %m");
+ goto finish;
+ }
+ if (r == 0) {
+ printf("-- No entries --\n");
+ goto finish;
}
if (!arg_follow)
r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
if (r < 0) {
- log_error("Failed to get cutoff: %s", strerror(-r));
+ log_error_errno(r, "Failed to get cutoff: %m");
goto finish;
}
else
r = sd_journal_previous(j);
if (r < 0) {
- log_error("Failed to iterate through journal: %s", strerror(-r));
+ log_error_errno(r, "Failed to iterate through journal: %m");
goto finish;
}
if (r == 0)
r = sd_journal_get_realtime_usec(j, &usec);
if (r < 0) {
- log_error("Failed to determine timestamp: %s", strerror(-r));
+ log_error_errno(r, "Failed to determine timestamp: %m");
goto finish;
}
if (usec > arg_until)
r = sd_journal_get_realtime_usec(j, &usec);
if (r < 0) {
- log_error("Failed to determine timestamp: %s", strerror(-r));
+ log_error_errno(r, "Failed to determine timestamp: %m");
goto finish;
}
if (usec < arg_since)
r = sd_journal_get_cursor(j, &cursor);
if (r < 0 && r != -EADDRNOTAVAIL)
- log_error("Failed to get cursor: %s", strerror(-r));
+ log_error_errno(r, "Failed to get cursor: %m");
else if (r >= 0)
printf("-- cursor: %s\n", cursor);
}
r = sd_journal_wait(j, (uint64_t) -1);
if (r < 0) {
- log_error("Couldn't wait for journal event: %s", strerror(-r));
+ log_error_errno(r, "Couldn't wait for journal event: %m");
goto finish;
}
strv_free(arg_file);
+ strv_free(arg_syslog_identifier);
+ strv_free(arg_system_units);
+ strv_free(arg_user_units);
+
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / thirdparty / systemd.git / blobdiff