#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 "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 "fsprg.h"
#include "unit-name.h"
#include "catalog.h"
+#include "mkdir.h"
+#include "bus-util.h"
+#include "bus-error.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_follow = false;
static bool arg_full = true;
static bool arg_all = false;
static bool arg_no_pager = false;
-static int arg_lines = -1;
+static int arg_lines = ARG_LINES_DEFAULT;
static bool arg_no_tail = false;
static bool arg_quiet = false;
static bool arg_merge = false;
#endif
static usec_t arg_since, arg_until;
static bool arg_since_set = false, arg_until_set = false;
+static char **arg_syslog_identifier = NULL;
static char **arg_system_units = NULL;
static char **arg_user_units = NULL;
static const char *arg_field = NULL;
ACTION_DUMP_CATALOG,
ACTION_UPDATE_CATALOG,
ACTION_LIST_BOOTS,
+ ACTION_FLUSH,
} arg_action = ACTION_SHOW;
typedef struct boot_id_t {
pager_open(arg_pager_end);
}
+static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) {
+
+ if (arg_utc)
+ return format_timestamp_utc(buf, l, t);
+
+ return format_timestamp(buf, l, t);
+}
+
static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) {
sd_id128_t id = SD_ID128_NULL;
int off = 0, r;
return 0;
}
-static int help(void) {
+static void help(void) {
pager_open_if_enabled();
printf("%s [OPTIONS...] [MATCHES...]\n\n"
"Query the journal.\n\n"
"Flags:\n"
- " --system Show only the system journal\n"
- " --user Show only the user journal for the current user\n"
+ " --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"
" -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"
" -f --follow Follow the journal\n"
" -o --output=STRING Change journal output mode (short, short-iso,\n"
" short-precise, short-monotonic, verbose,\n"
" export, json, json-pretty, json-sse, cat)\n"
+ " --utc Express time in Coordinated Universal Time (UTC)\n"
" -x --catalog Add message explanations where available\n"
" --no-full Ellipsize fields\n"
" -a --all Show all fields, including long and unprintable\n"
" --list-catalog Show message IDs of all entries in the message catalog\n"
" --dump-catalog Show entries in the message catalog\n"
" --update-catalog Update the message catalog database\n"
+ " --flush Flush all journal data from /run into /var\n"
#ifdef HAVE_GCRYPT
" --setup-keys Generate a new FSS key pair\n"
" --verify Verify journal file consistency\n"
#endif
, program_invocation_short_name);
-
- return 0;
}
static int parse_argv(int argc, char *argv[]) {
ARG_DUMP_CATALOG,
ARG_UPDATE_CATALOG,
ARG_FORCE,
+ ARG_UTC,
+ ARG_FLUSH,
};
static const struct option options[] = {
{ "file", required_argument, NULL, ARG_FILE },
{ "root", required_argument, NULL, ARG_ROOT },
{ "header", no_argument, NULL, ARG_HEADER },
+ { "identifier", required_argument, NULL, 't' },
{ "priority", required_argument, NULL, 'p' },
{ "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
{ "interval", required_argument, NULL, ARG_INTERVAL },
{ "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
{ "reverse", no_argument, NULL, 'r' },
{ "machine", required_argument, NULL, 'M' },
+ { "utc", no_argument, NULL, ARG_UTC },
+ { "flush", no_argument, NULL, ARG_FLUSH },
{}
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:u:F:xrM:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:t:u:F:xrM:", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
case 'e':
arg_pager_end = true;
- if (arg_lines < 0)
+ if (arg_lines == ARG_LINES_DEFAULT)
arg_lines = 1000;
break;
case 'n':
if (optarg) {
- r = safe_atoi(optarg, &arg_lines);
- if (r < 0 || arg_lines < 0) {
- log_error("Failed to parse lines '%s'", optarg);
- return -EINVAL;
+ if (streq(optarg, "all"))
+ arg_lines = ARG_LINES_ALL;
+ else {
+ r = safe_atoi(optarg, &arg_lines);
+ if (r < 0 || arg_lines < 0) {
+ log_error("Failed to parse lines '%s'", optarg);
+ return -EINVAL;
+ }
}
} else {
- int n;
+ arg_lines = 10;
/* Hmm, no argument? Maybe the next
* word on the command line is
* supposed to be the argument? Let's
* see if there is one, and is
- * parsable as a positive
- * integer... */
-
- if (optind < argc &&
- safe_atoi(argv[optind], &n) >= 0 &&
- n >= 0) {
-
- arg_lines = n;
- optind++;
- } else
- arg_lines = 10;
+ * parsable. */
+ if (optind < argc) {
+ int n;
+ if (streq(argv[optind], "all")) {
+ arg_lines = ARG_LINES_ALL;
+ optind++;
+ } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) {
+ arg_lines = n;
+ optind++;
+ }
+ }
}
break;
arg_until_set = true;
break;
+ case 't':
+ r = strv_extend(&arg_syslog_identifier, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
case 'u':
r = strv_extend(&arg_system_units, optarg);
if (r < 0)
arg_reverse = true;
break;
+ case ARG_UTC:
+ arg_utc = true;
+ break;
+
+ case ARG_FLUSH:
+ arg_action = ACTION_FLUSH;
+ break;
+
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
- }
- if (arg_follow && !arg_no_tail && arg_lines < 0)
+ if (arg_follow && !arg_no_tail && arg_lines == ARG_LINES_DEFAULT)
arg_lines = 10;
if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
static int add_matches(sd_journal *j, char **args) {
char **i;
+ bool have_term = false;
assert(j);
STRV_FOREACH(i, args) {
int r;
- if (streq(*i, "+"))
+ if (streq(*i, "+")) {
+ if (!have_term)
+ break;
r = sd_journal_add_disjunction(j);
- else if (path_is_absolute(*i)) {
+ have_term = false;
+
+ } else if (path_is_absolute(*i)) {
_cleanup_free_ char *p, *t = NULL, *t2 = NULL;
const char *path;
_cleanup_free_ char *interpreter = NULL;
}
} else
t = strappend("_EXE=", path);
- } else if (S_ISCHR(st.st_mode))
- asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
- else if (S_ISBLK(st.st_mode))
- asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
- else {
+ } 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 {
log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
return -EINVAL;
}
r = sd_journal_add_match(j, t, 0);
if (t2)
r = sd_journal_add_match(j, t2, 0);
- } else
+ have_term = true;
+
+ } else {
r = sd_journal_add_match(j, *i, 0);
+ have_term = true;
+ }
if (r < 0) {
log_error("Failed to add match '%s': %s", *i, strerror(-r));
}
}
+ if (!strv_isempty(args) && !have_term) {
+ log_error("\"+\" can only be used between terms");
+ return -EINVAL;
+ }
+
return 0;
}
return _a < _b ? -1 : (_a > _b ? 1 : 0);
}
-static int list_boots(sd_journal *j) {
+static int get_boots(sd_journal *j,
+ boot_id_t **boots,
+ unsigned int *count,
+ boot_id_t *query_ref_boot) {
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;
+
+ assert(j);
+ assert(boots);
+ assert(count);
r = sd_journal_query_unique(j, "_BOOT_ID");
if (r < 0)
return r;
+ *count = 0;
SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
+ boot_id_t *id;
+
+ assert(startswith(data, "_BOOT_ID="));
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
+ if (!GREEDY_REALLOC(*boots, allocated, *count + 1))
return log_oom();
- id = &all_ids[count];
+ id = *boots + *count;
r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
if (r < 0)
if (r < 0)
return r;
- r = sd_journal_seek_tail(j);
- if (r < 0)
- return r;
+ if (query_ref_boot) {
+ id->last = 0;
+ if (sd_id128_equal(id->id, query_ref_boot->id))
+ *query_ref_boot = *id;
+ } else {
+ r = sd_journal_seek_tail(j);
+ if (r < 0)
+ return r;
- r = sd_journal_previous(j);
- if (r < 0)
- return r;
- else if (r == 0)
- goto flush;
+ r = sd_journal_previous(j);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ goto flush;
- r = sd_journal_get_realtime_usec(j, &id->last);
- if (r < 0)
- return r;
+ r = sd_journal_get_realtime_usec(j, &id->last);
+ if (r < 0)
+ return r;
+ }
- count++;
+ (*count)++;
flush:
sd_journal_flush_matches(j);
}
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+ qsort_safe(*boots, *count, sizeof(boot_id_t), boot_id_cmp);
+ return 0;
+}
+
+static int list_boots(sd_journal *j) {
+ int r, w, i;
+ unsigned int count;
+ boot_id_t *id;
+ _cleanup_free_ boot_id_t *all_ids = NULL;
+
+ assert(j);
+
+ r = get_boots(j, &all_ids, &count, NULL);
+ if (r < 0)
+ return r;
+
+ pager_open_if_enabled();
/* numbers are one less, but we need an extra char for the sign */
w = DECIMAL_STR_WIDTH(count - 1) + 1;
printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
w, i - count + 1,
SD_ID128_FORMAT_VAL(id->id),
- format_timestamp(a, sizeof(a), id->first),
- format_timestamp(b, sizeof(b), id->last));
+ format_timestamp_maybe_utc(a, sizeof(a), id->first),
+ format_timestamp_maybe_utc(b, sizeof(b), id->last));
}
return 0;
}
-static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
+static int get_boot_id_by_offset(sd_journal *j, sd_id128_t *boot_id, int offset) {
int r;
- const void *data;
- unsigned int count = 0;
- size_t length, allocated = 0;
- boot_id_t ref_boot_id = {SD_ID128_NULL}, *id;
+ unsigned int count;
+ boot_id_t ref_boot_id = {}, *id;
_cleanup_free_ boot_id_t *all_ids = NULL;
assert(j);
assert(boot_id);
- r = sd_journal_query_unique(j, "_BOOT_ID");
+ ref_boot_id.id = *boot_id;
+ r = get_boots(j, &all_ids, &count, &ref_boot_id);
if (r < 0)
return r;
- SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
-
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
- return log_oom();
-
- id = &all_ids[count];
-
- r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
- if (r < 0)
- continue;
-
- r = sd_journal_add_match(j, data, length);
- if (r < 0)
- return r;
-
- r = sd_journal_seek_head(j);
- if (r < 0)
- return r;
-
- r = sd_journal_next(j);
- 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;
-
- if (sd_id128_equal(id->id, *boot_id))
- ref_boot_id = *id;
-
- count++;
- flush:
- sd_journal_flush_matches(j);
- }
-
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
-
if (sd_id128_equal(*boot_id, SD_ID128_NULL)) {
- if (relative > (int) count || relative <= -(int)count)
+ if (offset > (int) count || offset <= -(int)count)
return -EADDRNOTAVAIL;
- *boot_id = all_ids[(relative <= 0)*count + relative - 1].id;
+ *boot_id = all_ids[(offset <= 0)*count + offset - 1].id;
} else {
id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp);
if (!id ||
- relative <= 0 ? (id - all_ids) + relative < 0 :
- (id - all_ids) + relative >= (int) count)
+ offset <= 0 ? (id - all_ids) + offset < 0 :
+ (id - all_ids) + offset >= (int) count)
return -EADDRNOTAVAIL;
- *boot_id = (id + relative)->id;
+ *boot_id = (id + offset)->id;
}
return 0;
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);
+ r = get_boot_id_by_offset(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));
const char *field;
int r;
- found = set_new(string_hash_func, string_compare_func);
+ found = set_new(&string_hash_ops);
if (!found)
return log_oom();
return 0;
}
+
+static int add_syslog_identifier(sd_journal *j) {
+ int r;
+ char **i;
+
+ assert(j);
+
+ STRV_FOREACH(i, arg_syslog_identifier) {
+ char *u;
+
+ u = strappenda("SYSLOG_IDENTIFIER=", *i);
+ r = sd_journal_add_match(j, u, 0);
+ if (r < 0)
+ return r;
+ r = sd_journal_add_disjunction(j);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
static int setup_keys(void) {
#ifdef HAVE_GCRYPT
size_t mpk_size, seed_size, state_size, i;
n = now(CLOCK_REALTIME);
n /= arg_interval;
- close_nointr_nofail(fd);
+ safe_close(fd);
fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
if (fd < 0) {
log_error("Failed to open %s: %m", k);
r = 0;
finish:
- if (fd >= 0)
- close_nointr_nofail(fd);
+ safe_close(fd);
if (k) {
unlink(k);
log_show_color(true);
- HASHMAP_FOREACH(f, j->files, i) {
+ ORDERED_HASHMAP_FOREACH(f, j->files, i) {
int k;
usec_t first, validated, last;
if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
if (validated > 0) {
log_info("=> Validated from %s to %s, final %s entries not sealed.",
- format_timestamp(a, sizeof(a), first),
- format_timestamp(b, sizeof(b), validated),
+ format_timestamp_maybe_utc(a, sizeof(a), first),
+ format_timestamp_maybe_utc(b, sizeof(b), validated),
format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0));
} else if (last > 0)
log_info("=> No sealing yet, %s of entries not sealed.",
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;
}
}
#endif
- if (hashmap_isempty(j->files)) {
+ if (ordered_hashmap_isempty(j->files)) {
log_error("No journal files were opened due to insufficient permissions.");
r = -EACCES;
}
return r;
}
+static int flush_to_var(void) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_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) {
+ log_error("Failed to get D-Bus connection: %s", strerror(-r));
+ return r;
+ }
+
+ 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) {
+ log_error("Failed to create inotify watch: %m");
+ return -errno;
+ }
+
+ r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
+ if (r < 0) {
+ log_error("Failed to watch journal directory: %m");
+ return -errno;
+ }
+
+ for (;;) {
+ if (access("/run/systemd/journal/flushed", F_OK) >= 0)
+ break;
+
+ if (errno != ENOENT) {
+ log_error("Failed to check for existance of /run/systemd/journal/flushed: %m");
+ return -errno;
+ }
+
+ r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
+ if (r < 0) {
+ log_error("Failed to wait for event: %s", strerror(-r));
+ return r;
+ }
+
+ r = flush_fd(watch_fd);
+ if (r < 0) {
+ log_error("Failed to flush inotify events: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
int r;
_cleanup_journal_close_ sd_journal *j = NULL;
goto finish;
}
+ if (arg_action == ACTION_FLUSH) {
+ r = flush_to_var();
+ goto finish;
+ }
+
if (arg_action == ACTION_SETUP_KEYS) {
r = setup_keys();
goto finish;
arg_action == ACTION_LIST_CATALOG ||
arg_action == ACTION_DUMP_CATALOG) {
- const char* database = CATALOG_DATABASE;
- _cleanup_free_ char *copy = NULL;
- if (arg_root) {
- copy = strjoin(arg_root, "/", CATALOG_DATABASE, NULL);
- if (!copy) {
- r = log_oom();
- goto finish;
- }
- path_kill_slashes(copy);
- database = copy;
+ _cleanup_free_ char *database;
+
+ database = path_join(arg_root, CATALOG_DATABASE, NULL);
+ if (!database) {
+ r = log_oom();
+ goto finish;
}
if (arg_action == ACTION_UPDATE_CATALOG) {
return EXIT_FAILURE;
}
+ r = add_syslog_identifier(j);
+ if (r < 0) {
+ log_error("Failed to add filter for syslog identifiers: %s", strerror(-r));
+ return EXIT_FAILURE;
+ }
+
r = add_priorities(j);
if (r < 0) {
log_error("Failed to add filter for priorities: %s", strerror(-r));
}
if (arg_cursor || arg_after_cursor) {
- r = sd_journal_seek_cursor(j, arg_cursor ? 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;
if (r > 0) {
if (arg_follow)
printf("-- Logs begin at %s. --\n",
- format_timestamp(start_buf, sizeof(start_buf), start));
+ format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start));
else
printf("-- Logs begin at %s, end at %s. --\n",
- format_timestamp(start_buf, sizeof(start_buf), start),
- format_timestamp(end_buf, sizeof(end_buf), end));
+ format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
+ format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
}
}
goto finish;
}
- if (!arg_merge) {
+ if (!arg_merge && !arg_quiet) {
sd_id128_t boot_id;
r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
arg_all * OUTPUT_SHOW_ALL |
arg_full * OUTPUT_FULL_WIDTH |
on_tty() * OUTPUT_COLOR |
- arg_catalog * OUTPUT_CATALOG;
+ arg_catalog * OUTPUT_CATALOG |
+ arg_utc * OUTPUT_UTC;
r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
need_seek = true;
finish:
pager_close();
+ strv_free(arg_file);
+
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff