]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/journal/journalctl.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
networkd-dhcp6: Do not handle prefix expiry
[thirdparty/systemd.git] / src / journal / journalctl.c
CommitLineData
87d2c1ff
LP		 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3/***
4 This file is part of systemd.
5
6 Copyright 2011 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
5430f7f2
LP		 9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
87d2c1ff
LP		 11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5430f7f2 16 Lesser General Public License for more details.
87d2c1ff 17
5430f7f2 18 You should have received a copy of the GNU Lesser General Public License
87d2c1ff
LP		 19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
a9cdc94f 22#include <locale.h>
87d2c1ff 23#include <fcntl.h>
ea18a4b5 24#include <fnmatch.h>
87d2c1ff
LP		 25#include <errno.h>
26#include <stddef.h>
3fbf9cbb
LP		 27#include <string.h>
28#include <stdio.h>
29#include <unistd.h>
30#include <stdlib.h>
0d43c694 31#include <getopt.h>
585314e8 32#include <signal.h>
74055aa7 33#include <poll.h>
50940700 34#include <sys/stat.h>
74055aa7 35#include <sys/inotify.h>
f982e6f7 36#include <linux/fs.h>
87d2c1ff 37
74055aa7
LP		 38#include "sd-journal.h"
39#include "sd-bus.h"
81527be1 40
3fbf9cbb 41#include "log.h"
7199aa96 42#include "logs-show.h"
72f59706 43#include "util.h"
f8eeeaf9 44#include "acl-util.h"
e5124088 45#include "path-util.h"
68fee104 46#include "fileio.h"
0d43c694
LP		 47#include "build.h"
48#include "pager.h"
a963990f 49#include "strv.h"
ea18a4b5 50#include "set.h"
2cf4172a 51#include "sigbus.h"
dca6219e 52#include "journal-internal.h"
7560fffc 53#include "journal-def.h"
0284adc6 54#include "journal-verify.h"
f6a971bc 55#include "journal-qrcode.h"
dbd2a83f 56#include "journal-vacuum.h"
4da416aa 57#include "fsprg.h"
c3f60ec5 58#include "unit-name.h"
d4205751 59#include "catalog.h"
74055aa7
LP		 60#include "mkdir.h"
61#include "bus-util.h"
62#include "bus-error.h"
7560fffc 63
baed47c3 64#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
250d54b5 65
97e1cc8b
LP		 66enum {
67 /* Special values for arg_lines */
68 ARG_LINES_DEFAULT = -2,
69 ARG_LINES_ALL = -1,
70};
71
df50185b 72static OutputMode arg_output = OUTPUT_SHORT;
9fd29044 73static bool arg_utc = false;
1b12a7b5 74static bool arg_pager_end = false;
72f59706 75static bool arg_follow = false;
2b8f6883 76static bool arg_full = true;
cd4b13e0 77static bool arg_all = false;
0d43c694 78static bool arg_no_pager = false;
97e1cc8b 79static int arg_lines = ARG_LINES_DEFAULT;
e91af489 80static bool arg_no_tail = false;
43673799 81static bool arg_quiet = false;
9e8a535f 82static bool arg_merge = false;
d121b396 83static bool arg_boot = false;
442e2def
LP		 84static sd_id128_t arg_boot_id = {};
85static int arg_boot_offset = 0;
99271804 86static bool arg_dmesg = false;
8f14c832 87static const char *arg_cursor = NULL;
248fc619
ZJS		 88static const char *arg_after_cursor = NULL;
89static bool arg_show_cursor = false;
a963990f 90static const char *arg_directory = NULL;
8d98da3f 91static char **arg_file = NULL;
941e990d 92static int arg_priorities = 0xFF;
baed47c3 93static const char *arg_verify_key = NULL;
feb12d3e 94#ifdef HAVE_GCRYPT
baed47c3 95static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
b8547c10 96static bool arg_force = false;
feb12d3e 97#endif
cfbc22ab
LP		 98static usec_t arg_since, arg_until;
99static bool arg_since_set = false, arg_until_set = false;
73083640 100static char **arg_syslog_identifier = NULL;
b9e40524
HH		 101static char **arg_system_units = NULL;
102static char **arg_user_units = NULL;
3c1668da 103static const char *arg_field = NULL;
d4205751 104static bool arg_catalog = false;
d89d6c86 105static bool arg_reverse = false;
3f3a438f 106static int arg_journal_type = 0;
13cbf3a5 107static const char *arg_root = NULL;
b6741478 108static const char *arg_machine = NULL;
dbd2a83f
LP		 109static off_t arg_vacuum_size = (off_t) -1;
110static usec_t arg_vacuum_time = USEC_INFINITY;
50f20cfd 111
7560fffc
LP		 112static enum {
113 ACTION_SHOW,
114 ACTION_NEW_ID128,
115 ACTION_PRINT_HEADER,
beec0085 116 ACTION_SETUP_KEYS,
a1a03e30
LP		 117 ACTION_VERIFY,
118 ACTION_DISK_USAGE,
d4205751 119 ACTION_LIST_CATALOG,
54b7254c 120 ACTION_DUMP_CATALOG,
f1188074
ZJS		 121 ACTION_UPDATE_CATALOG,
122 ACTION_LIST_BOOTS,
74055aa7 123 ACTION_FLUSH,
dbd2a83f 124 ACTION_VACUUM,
7560fffc
LP		 125} arg_action = ACTION_SHOW;
126
a331b5e6
JJ		 127typedef struct boot_id_t {
128 sd_id128_t id;
f1188074
ZJS		 129 uint64_t first;
130 uint64_t last;
a331b5e6
JJ		 131} boot_id_t;
132
faf5077f
DH		 133static void pager_open_if_enabled(void) {
134
135 if (arg_no_pager)
136 return;
137
138 pager_open(arg_pager_end);
139}
140
5ab99e07
LP		 141static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) {
142
143 if (arg_utc)
144 return format_timestamp_utc(buf, l, t);
145
146 return format_timestamp(buf, l, t);
147}
148
442e2def
LP		 149static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) {
150 sd_id128_t id = SD_ID128_NULL;
151 int off = 0, r;
152
153 if (strlen(x) >= 32) {
154 char *t;
155
156 t = strndupa(x, 32);
157 r = sd_id128_from_string(t, &id);
158 if (r >= 0)
159 x += 32;
160
161 if (*x != '-' && *x != '+' && *x != 0)
162 return -EINVAL;
163
164 if (*x != 0) {
165 r = safe_atoi(x, &off);
166 if (r < 0)
167 return r;
168 }
169 } else {
170 r = safe_atoi(x, &off);
171 if (r < 0)
172 return r;
173 }
174
175 if (boot_id)
176 *boot_id = id;
177
178 if (offset)
179 *offset = off;
180
181 return 0;
182}
183
601185b4 184static void help(void) {
0d43c694 185
faf5077f
DH		 186 pager_open_if_enabled();
187
cd4b13e0 188 printf("%s [OPTIONS...] [MATCHES...]\n\n"
15119c16
LP		 189 "Query the journal.\n\n"
190 "Flags:\n"
eacbb4d3
ZJS		 191 " --system Show the system journal\n"
192 " --user Show the user journal for the current user\n"
b6741478 193 " -M --machine=CONTAINER Operate on local container\n"
40f0b71b
ZJS		 194 " --since=DATE Show entries not older than the specified date\n"
195 " --until=DATE Show entries not newer than the specified date\n"
196 " -c --cursor=CURSOR Show entries starting at the specified cursor\n"
197 " --after-cursor=CURSOR Show entries after the specified cursor\n"
248fc619 198 " --show-cursor Print the cursor after all the entries\n"
40f0b71b 199 " -b --boot[=ID] Show current boot or the specified boot\n"
f1188074 200 " --list-boots Show terse information about recorded boots\n"
c736283b 201 " -k --dmesg Show kernel message log from the current boot\n"
40f0b71b
ZJS		 202 " -u --unit=UNIT Show logs from the specified unit\n"
203 " --user-unit=UNIT Show logs from the specified user unit\n"
204 " -t --identifier=STRING Show entries with the specified syslog identifier\n"
205 " -p --priority=RANGE Show entries with the specified priority\n"
206 " -e --pager-end Immediately jump to the end in the pager\n"
c736283b 207 " -f --follow Follow the journal\n"
248fc619
ZJS		 208 " -n --lines[=INTEGER] Number of journal entries to show\n"
209 " --no-tail Show all lines, even in follow mode\n"
210 " -r --reverse Show the newest entries first\n"
f02d8367 211 " -o --output=STRING Change journal output mode (short, short-iso,\n"
c736283b
JSJ		 212 " short-precise, short-monotonic, verbose,\n"
213 " export, json, json-pretty, json-sse, cat)\n"
9fd29044 214 " --utc Express time in Coordinated Universal Time (UTC)\n"
248fc619 215 " -x --catalog Add message explanations where available\n"
2b8f6883 216 " --no-full Ellipsize fields\n"
248fc619 217 " -a --all Show all fields, including long and unprintable\n"
c736283b 218 " -q --quiet Do not show privilege warning\n"
248fc619
ZJS		 219 " --no-pager Do not pipe output into a pager\n"
220 " -m --merge Show entries from all available journals\n"
221 " -D --directory=PATH Show journal files from directory\n"
222 " --file=PATH Show journal file\n"
223 " --root=ROOT Operate on catalog files underneath the root ROOT\n"
15119c16 224#ifdef HAVE_GCRYPT
248fc619
ZJS		 225 " --interval=TIME Time interval for changing the FSS sealing key\n"
226 " --verify-key=KEY Specify FSS verification key\n"
40f0b71b 227 " --force Override of the FSS key pair with --setup-keys\n"
15119c16
LP		 228#endif
229 "\nCommands:\n"
c736283b 230 " -h --help Show this help text\n"
248fc619 231 " --version Show package version\n"
dbd2a83f 232 " -F --field=FIELD List all values that a specified field takes\n"
c736283b 233 " --new-id128 Generate a new 128-bit ID\n"
c736283b 234 " --disk-usage Show total disk usage of all journal files\n"
40f0b71b
ZJS		 235 " --vacuum-size=BYTES Reduce disk usage below specified size\n"
236 " --vacuum-time=TIME Remove journal files older than specified date\n"
dbd2a83f
LP		 237 " --flush Flush all journal data from /run into /var\n"
238 " --header Show journal header information\n"
40f0b71b 239 " --list-catalog Show all message IDs in the catalog\n"
248fc619
ZJS		 240 " --dump-catalog Show entries in the message catalog\n"
241 " --update-catalog Update the message catalog database\n"
feb12d3e 242#ifdef HAVE_GCRYPT
c736283b 243 " --setup-keys Generate a new FSS key pair\n"
248fc619 244 " --verify Verify journal file consistency\n"
feb12d3e
LP		 245#endif
246 , program_invocation_short_name);
0d43c694
LP		 247}
248
249static int parse_argv(int argc, char *argv[]) {
250
251 enum {
252 ARG_VERSION = 0x100,
e91af489 253 ARG_NO_PAGER,
2b8f6883 254 ARG_NO_FULL,
55ee336c 255 ARG_NO_TAIL,
dca6219e 256 ARG_NEW_ID128,
f1188074 257 ARG_LIST_BOOTS,
3f3a438f
ZJS		 258 ARG_USER,
259 ARG_SYSTEM,
13cbf3a5 260 ARG_ROOT,
7560fffc 261 ARG_HEADER,
beec0085 262 ARG_SETUP_KEYS,
8d98da3f 263 ARG_FILE,
baed47c3 264 ARG_INTERVAL,
4da416aa 265 ARG_VERIFY,
a1a03e30 266 ARG_VERIFY_KEY,
cfbc22ab
LP		 267 ARG_DISK_USAGE,
268 ARG_SINCE,
d4205751 269 ARG_UNTIL,
248fc619
ZJS		 270 ARG_AFTER_CURSOR,
271 ARG_SHOW_CURSOR,
ffa7cd15 272 ARG_USER_UNIT,
d4205751 273 ARG_LIST_CATALOG,
54b7254c 274 ARG_DUMP_CATALOG,
3f3a438f 275 ARG_UPDATE_CATALOG,
b8547c10 276 ARG_FORCE,
9fd29044 277 ARG_UTC,
74055aa7 278 ARG_FLUSH,
dbd2a83f
LP		 279 ARG_VACUUM_SIZE,
280 ARG_VACUUM_TIME,
0d43c694
LP		 281 };
282
283 static const struct option options[] = {
248fc619
ZJS		 284 { "help", no_argument, NULL, 'h' },
285 { "version" , no_argument, NULL, ARG_VERSION },
286 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
287 { "pager-end", no_argument, NULL, 'e' },
288 { "follow", no_argument, NULL, 'f' },
289 { "force", no_argument, NULL, ARG_FORCE },
290 { "output", required_argument, NULL, 'o' },
291 { "all", no_argument, NULL, 'a' },
292 { "full", no_argument, NULL, 'l' },
2b8f6883 293 { "no-full", no_argument, NULL, ARG_NO_FULL },
248fc619
ZJS		 294 { "lines", optional_argument, NULL, 'n' },
295 { "no-tail", no_argument, NULL, ARG_NO_TAIL },
296 { "new-id128", no_argument, NULL, ARG_NEW_ID128 },
297 { "quiet", no_argument, NULL, 'q' },
298 { "merge", no_argument, NULL, 'm' },
299 { "boot", optional_argument, NULL, 'b' },
f1188074 300 { "list-boots", no_argument, NULL, ARG_LIST_BOOTS },
248fc619
ZJS		 301 { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */
302 { "dmesg", no_argument, NULL, 'k' },
303 { "system", no_argument, NULL, ARG_SYSTEM },
304 { "user", no_argument, NULL, ARG_USER },
305 { "directory", required_argument, NULL, 'D' },
306 { "file", required_argument, NULL, ARG_FILE },
307 { "root", required_argument, NULL, ARG_ROOT },
308 { "header", no_argument, NULL, ARG_HEADER },
73083640 309 { "identifier", required_argument, NULL, 't' },
248fc619
ZJS		 310 { "priority", required_argument, NULL, 'p' },
311 { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
312 { "interval", required_argument, NULL, ARG_INTERVAL },
313 { "verify", no_argument, NULL, ARG_VERIFY },
314 { "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
315 { "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
316 { "cursor", required_argument, NULL, 'c' },
317 { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR },
318 { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR },
319 { "since", required_argument, NULL, ARG_SINCE },
320 { "until", required_argument, NULL, ARG_UNTIL },
321 { "unit", required_argument, NULL, 'u' },
322 { "user-unit", required_argument, NULL, ARG_USER_UNIT },
323 { "field", required_argument, NULL, 'F' },
324 { "catalog", no_argument, NULL, 'x' },
325 { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
326 { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
327 { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
328 { "reverse", no_argument, NULL, 'r' },
b6741478 329 { "machine", required_argument, NULL, 'M' },
9fd29044 330 { "utc", no_argument, NULL, ARG_UTC },
74055aa7 331 { "flush", no_argument, NULL, ARG_FLUSH },
dbd2a83f
LP		 332 { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
333 { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
eb9da376 334 {}
0d43c694
LP		 335 };
336
2100675e 337 int c, r;
0d43c694
LP		 338
339 assert(argc >= 0);
340 assert(argv);
341
73083640 342 while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:t:u:F:xrM:", options, NULL)) >= 0)
0d43c694
LP		 343
344 switch (c) {
345
346 case 'h':
601185b4
ZJS		 347 help();
348 return 0;
0d43c694
LP		 349
350 case ARG_VERSION:
351 puts(PACKAGE_STRING);
0d43c694
LP		 352 puts(SYSTEMD_FEATURES);
353 return 0;
354
355 case ARG_NO_PAGER:
356 arg_no_pager = true;
357 break;
358
1b12a7b5
HH		 359 case 'e':
360 arg_pager_end = true;
fe59e38b 361
97e1cc8b 362 if (arg_lines == ARG_LINES_DEFAULT)
fe59e38b
LP		 363 arg_lines = 1000;
364
1b12a7b5
HH		 365 break;
366
0d43c694
LP		 367 case 'f':
368 arg_follow = true;
369 break;
370
371 case 'o':
1705594f 372 arg_output = output_mode_from_string(optarg);
df50185b 373 if (arg_output < 0) {
edfb521a 374 log_error("Unknown output format '%s'.", optarg);
0d43c694
LP		 375 return -EINVAL;
376 }
df50185b 377
edfb521a
ZJS		 378 if (arg_output == OUTPUT_EXPORT ||
379 arg_output == OUTPUT_JSON ||
380 arg_output == OUTPUT_JSON_PRETTY ||
381 arg_output == OUTPUT_JSON_SSE ||
382 arg_output == OUTPUT_CAT)
383 arg_quiet = true;
384
0d43c694
LP		 385 break;
386
98a6e132 387 case 'l':
e3657ecd
ZJS		 388 arg_full = true;
389 break;
390
2b8f6883
ZJS		 391 case ARG_NO_FULL:
392 arg_full = false;
393 break;
394
0d43c694 395 case 'a':
cd4b13e0 396 arg_all = true;
0d43c694
LP		 397 break;
398
2100675e 399 case 'n':
1705594f 400 if (optarg) {
48382487 401 if (streq(optarg, "all"))
97e1cc8b 402 arg_lines = ARG_LINES_ALL;
48382487
JJ		 403 else {
404 r = safe_atoi(optarg, &arg_lines);
405 if (r < 0 || arg_lines < 0) {
406 log_error("Failed to parse lines '%s'", optarg);
407 return -EINVAL;
408 }
1705594f 409 }
96088db0 410 } else {
48382487 411 arg_lines = 10;
96088db0
LP		 412
413 /* Hmm, no argument? Maybe the next
414 * word on the command line is
415 * supposed to be the argument? Let's
416 * see if there is one, and is
48382487
JJ		 417 * parsable. */
418 if (optind < argc) {
419 int n;
420 if (streq(argv[optind], "all")) {
97e1cc8b 421 arg_lines = ARG_LINES_ALL;
48382487
JJ		 422 optind++;
423 } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) {
424 arg_lines = n;
425 optind++;
426 }
427 }
96088db0 428 }
1705594f 429
2100675e
LP		 430 break;
431
e91af489
LP		 432 case ARG_NO_TAIL:
433 arg_no_tail = true;
434 break;
435
39f7f5c1 436 case ARG_NEW_ID128:
7560fffc 437 arg_action = ACTION_NEW_ID128;
55ee336c
LP		 438 break;
439
43673799
LP		 440 case 'q':
441 arg_quiet = true;
490e567d 442 break;
43673799 443
9e8a535f
LP		 444 case 'm':
445 arg_merge = true;
2bd3c38a
LP		 446 break;
447
59cea26a 448 case 'b':
d121b396 449 arg_boot = true;
6cebe83c 450
442e2def
LP		 451 if (optarg) {
452 r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
453 if (r < 0) {
454 log_error("Failed to parse boot descriptor '%s'", optarg);
455 return -EINVAL;
456 }
457 } else {
6cebe83c 458
442e2def
LP		 459 /* Hmm, no argument? Maybe the next
460 * word on the command line is
461 * supposed to be the argument? Let's
462 * see if there is one and is parsable
463 * as a boot descriptor... */
464
465 if (optind < argc &&
466 parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset) >= 0)
6cebe83c 467 optind++;
6cebe83c 468 }
d121b396 469
59cea26a
LP		 470 break;
471
f1188074
ZJS		 472 case ARG_LIST_BOOTS:
473 arg_action = ACTION_LIST_BOOTS;
474 break;
475
99271804 476 case 'k':
d121b396 477 arg_boot = arg_dmesg = true;
99271804
ZJS		 478 break;
479
3f3a438f
ZJS		 480 case ARG_SYSTEM:
481 arg_journal_type |= SD_JOURNAL_SYSTEM;
482 break;
483
484 case ARG_USER:
485 arg_journal_type |= SD_JOURNAL_CURRENT_USER;
486 break;
487
b6741478
LP		 488 case 'M':
489 arg_machine = optarg;
490 break;
491
a963990f
LP		 492 case 'D':
493 arg_directory = optarg;
494 break;
495
8d98da3f
ZJS		 496 case ARG_FILE:
497 r = glob_extend(&arg_file, optarg);
23bbb0de
MS		 498 if (r < 0)
499 return log_error_errno(r, "Failed to add paths: %m");
8d98da3f
ZJS		 500 break;
501
13cbf3a5
ZJS		 502 case ARG_ROOT:
503 arg_root = optarg;
504 break;
505
8f14c832
LP		 506 case 'c':
507 arg_cursor = optarg;
508 break;
509
248fc619
ZJS		 510 case ARG_AFTER_CURSOR:
511 arg_after_cursor = optarg;
512 break;
513
514 case ARG_SHOW_CURSOR:
515 arg_show_cursor = true;
516 break;
517
dca6219e 518 case ARG_HEADER:
7560fffc
LP		 519 arg_action = ACTION_PRINT_HEADER;
520 break;
521
feb12d3e
LP		 522 case ARG_VERIFY:
523 arg_action = ACTION_VERIFY;
524 break;
525
a1a03e30
LP		 526 case ARG_DISK_USAGE:
527 arg_action = ACTION_DISK_USAGE;
528 break;
529
dbd2a83f
LP		 530 case ARG_VACUUM_SIZE:
531 r = parse_size(optarg, 1024, &arg_vacuum_size);
532 if (r < 0) {
533 log_error("Failed to parse vacuum size: %s", optarg);
534 return r;
535 }
536
537 arg_action = ACTION_VACUUM;
538 break;
539
540 case ARG_VACUUM_TIME:
541 r = parse_sec(optarg, &arg_vacuum_time);
542 if (r < 0) {
543 log_error("Failed to parse vacuum time: %s", optarg);
544 return r;
545 }
546
547 arg_action = ACTION_VACUUM;
548 break;
549
feb12d3e 550#ifdef HAVE_GCRYPT
b8547c10
SL		 551 case ARG_FORCE:
552 arg_force = true;
553 break;
554
7560fffc
LP		 555 case ARG_SETUP_KEYS:
556 arg_action = ACTION_SETUP_KEYS;
dca6219e
LP		 557 break;
558
beec0085 559
baed47c3 560 case ARG_VERIFY_KEY:
4da416aa 561 arg_action = ACTION_VERIFY;
baed47c3 562 arg_verify_key = optarg;
9e8a535f 563 arg_merge = false;
4da416aa
LP		 564 break;
565
baed47c3 566 case ARG_INTERVAL:
7f602784 567 r = parse_sec(optarg, &arg_interval);
baed47c3
LP		 568 if (r < 0 || arg_interval <= 0) {
569 log_error("Failed to parse sealing key change interval: %s", optarg);
14d10188
LP		 570 return -EINVAL;
571 }
572 break;
feb12d3e
LP		 573#else
574 case ARG_SETUP_KEYS:
575 case ARG_VERIFY_KEY:
576 case ARG_INTERVAL:
b8547c10 577 case ARG_FORCE:
feb12d3e 578 log_error("Forward-secure sealing not available.");
15411c0c 579 return -EOPNOTSUPP;
feb12d3e 580#endif
14d10188 581
941e990d
LP		 582 case 'p': {
583 const char *dots;
584
585 dots = strstr(optarg, "..");
586 if (dots) {
587 char *a;
588 int from, to, i;
589
590 /* a range */
591 a = strndup(optarg, dots - optarg);
592 if (!a)
593 return log_oom();
594
595 from = log_level_from_string(a);
596 to = log_level_from_string(dots + 2);
597 free(a);
598
599 if (from < 0 || to < 0) {
600 log_error("Failed to parse log level range %s", optarg);
601 return -EINVAL;
602 }
603
604 arg_priorities = 0;
605
606 if (from < to) {
607 for (i = from; i <= to; i++)
608 arg_priorities |= 1 << i;
609 } else {
610 for (i = to; i <= from; i++)
611 arg_priorities |= 1 << i;
612 }
613
614 } else {
615 int p, i;
616
617 p = log_level_from_string(optarg);
618 if (p < 0) {
619 log_error("Unknown log level %s", optarg);
620 return -EINVAL;
621 }
622
623 arg_priorities = 0;
624
625 for (i = 0; i <= p; i++)
626 arg_priorities |= 1 << i;
627 }
628
629 break;
630 }
631
cfbc22ab
LP		 632 case ARG_SINCE:
633 r = parse_timestamp(optarg, &arg_since);
634 if (r < 0) {
635 log_error("Failed to parse timestamp: %s", optarg);
636 return -EINVAL;
637 }
638 arg_since_set = true;
639 break;
640
641 case ARG_UNTIL:
642 r = parse_timestamp(optarg, &arg_until);
643 if (r < 0) {
644 log_error("Failed to parse timestamp: %s", optarg);
645 return -EINVAL;
646 }
647 arg_until_set = true;
648 break;
649
73083640
HH		 650 case 't':
651 r = strv_extend(&arg_syslog_identifier, optarg);
652 if (r < 0)
653 return log_oom();
654 break;
655
7199aa96 656 case 'u':
b9e40524
HH		 657 r = strv_extend(&arg_system_units, optarg);
658 if (r < 0)
659 return log_oom();
ffa7cd15
DW		 660 break;
661
7199aa96 662 case ARG_USER_UNIT:
b9e40524
HH		 663 r = strv_extend(&arg_user_units, optarg);
664 if (r < 0)
665 return log_oom();
c3f60ec5
LP		 666 break;
667
15119c16
LP		 668 case 'F':
669 arg_field = optarg;
670 break;
671
d4205751
LP		 672 case 'x':
673 arg_catalog = true;
674 break;
675
676 case ARG_LIST_CATALOG:
677 arg_action = ACTION_LIST_CATALOG;
678 break;
679
54b7254c
ZJS		 680 case ARG_DUMP_CATALOG:
681 arg_action = ACTION_DUMP_CATALOG;
682 break;
683
d4205751
LP		 684 case ARG_UPDATE_CATALOG:
685 arg_action = ACTION_UPDATE_CATALOG;
686 break;
687
d89d6c86
LN		 688 case 'r':
689 arg_reverse = true;
690 break;
691
9fd29044
JS		 692 case ARG_UTC:
693 arg_utc = true;
694 break;
695
74055aa7
LP		 696 case ARG_FLUSH:
697 arg_action = ACTION_FLUSH;
698 break;
699
eb9da376 700 case '?':
0d43c694 701 return -EINVAL;
eb9da376
LP		 702
703 default:
704 assert_not_reached("Unhandled option");
0d43c694 705 }
0d43c694 706
70af7b8a 707 if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT)
e91af489
LP		 708 arg_lines = 10;
709
b6741478
LP		 710 if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
711 log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one.");
8d98da3f
ZJS		 712 return -EINVAL;
713 }
714
3ba09ee8 715 if (arg_since_set && arg_until_set && arg_since > arg_until) {
cfbc22ab
LP		 716 log_error("--since= must be before --until=.");
717 return -EINVAL;
718 }
719
248fc619
ZJS		 720 if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) {
721 log_error("Please specify only one of --since=, --cursor=, and --after-cursor.");
cfbc22ab
LP		 722 return -EINVAL;
723 }
724
d89d6c86
LN		 725 if (arg_follow && arg_reverse) {
726 log_error("Please specify either --reverse= or --follow=, not both.");
727 return -EINVAL;
728 }
729
0b6b7c20
ZJS		 730 if (arg_action != ACTION_SHOW && optind < argc) {
731 log_error("Extraneous arguments starting with '%s'", argv[optind]);
732 return -EINVAL;
733 }
734
0d43c694
LP		 735 return 1;
736}
737
39f7f5c1 738static int generate_new_id128(void) {
55ee336c
LP		 739 sd_id128_t id;
740 int r;
741 unsigned i;
742
743 r = sd_id128_randomize(&id);
23bbb0de
MS		 744 if (r < 0)
745 return log_error_errno(r, "Failed to generate ID: %m");
55ee336c
LP		 746
747 printf("As string:\n"
748 SD_ID128_FORMAT_STR "\n\n"
749 "As UUID:\n"
750 "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n"
751 "As macro:\n"
d489071f 752 "#define MESSAGE_XYZ SD_ID128_MAKE(",
55ee336c
LP		 753 SD_ID128_FORMAT_VAL(id),
754 SD_ID128_FORMAT_VAL(id));
55ee336c
LP		 755 for (i = 0; i < 16; i++)
756 printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
d489071f 757 fputs(")\n\n", stdout);
55ee336c 758
d489071f
ZJS		 759 printf("As Python constant:\n"
760 ">>> import uuid\n"
761 ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n",
762 SD_ID128_FORMAT_VAL(id));
55ee336c
LP		 763
764 return 0;
765}
766
a963990f
LP		 767static int add_matches(sd_journal *j, char **args) {
768 char **i;
4e602943 769 bool have_term = false;
59cea26a 770
a963990f 771 assert(j);
59cea26a 772
a963990f 773 STRV_FOREACH(i, args) {
52aeb63c 774 int r;
59cea26a 775
4e602943
ZJS		 776 if (streq(*i, "+")) {
777 if (!have_term)
778 break;
cbdca852 779 r = sd_journal_add_disjunction(j);
4e602943
ZJS		 780 have_term = false;
781
782 } else if (path_is_absolute(*i)) {
68fee104 783 _cleanup_free_ char *p, *t = NULL, *t2 = NULL;
e5124088 784 const char *path;
68fee104 785 _cleanup_free_ char *interpreter = NULL;
a963990f 786 struct stat st;
e5124088 787
a963990f
LP		 788 p = canonicalize_file_name(*i);
789 path = p ? p : *i;
e5124088 790
4a62c710
MS		 791 if (stat(path, &st) < 0)
792 return log_error_errno(errno, "Couldn't stat file: %m");
e5124088 793
68fee104
ZJS		 794 if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
795 if (executable_is_script(path, &interpreter) > 0) {
796 _cleanup_free_ char *comm;
797
2b6bf07d 798 comm = strndup(basename(path), 15);
68fee104
ZJS		 799 if (!comm)
800 return log_oom();
801
802 t = strappend("_COMM=", comm);
803
804 /* Append _EXE only if the interpreter is not a link.
73e231ab 805 Otherwise, it might be outdated often. */
68fee104
ZJS		 806 if (lstat(interpreter, &st) == 0 &&
807 !S_ISLNK(st.st_mode)) {
808 t2 = strappend("_EXE=", interpreter);
809 if (!t2)
810 return log_oom();
811 }
812 } else
813 t = strappend("_EXE=", path);
7de80bfe
KZ		 814 } else if (S_ISCHR(st.st_mode)) {
815 if (asprintf(&t, "_KERNEL_DEVICE=c%u:%u",
816 major(st.st_rdev),
817 minor(st.st_rdev)) < 0)
818 return -ENOMEM;
819 } else if (S_ISBLK(st.st_mode)) {
820 if (asprintf(&t, "_KERNEL_DEVICE=b%u:%u",
821 major(st.st_rdev),
822 minor(st.st_rdev)) < 0)
823 return -ENOMEM;
824 } else {
fb93cf73 825 log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
a963990f 826 return -EINVAL;
50940700 827 }
e5124088 828
b6a34514
LP		 829 if (!t)
830 return log_oom();
831
832 r = sd_journal_add_match(j, t, 0);
68fee104
ZJS		 833 if (t2)
834 r = sd_journal_add_match(j, t2, 0);
4e602943
ZJS		 835 have_term = true;
836
837 } else {
cbdca852 838 r = sd_journal_add_match(j, *i, 0);
4e602943
ZJS		 839 have_term = true;
840 }
e5124088 841
23bbb0de
MS		 842 if (r < 0)
843 return log_error_errno(r, "Failed to add match '%s': %m", *i);
de7b95cd
LP		 844 }
845
4e602943
ZJS		 846 if (!strv_isempty(args) && !have_term) {
847 log_error("\"+\" can only be used between terms");
848 return -EINVAL;
849 }
850
a963990f
LP		 851 return 0;
852}
853
a331b5e6
JJ		 854static int boot_id_cmp(const void *a, const void *b) {
855 uint64_t _a, _b;
856
f1188074
ZJS		 857 _a = ((const boot_id_t *)a)->first;
858 _b = ((const boot_id_t *)b)->first;
a331b5e6
JJ		 859
860 return _a < _b ? -1 : (_a > _b ? 1 : 0);
861}
862
ea7061e4
JJ		 863static int get_boots(sd_journal *j,
864 boot_id_t **boots,
865 unsigned int *count,
866 boot_id_t *query_ref_boot) {
f1188074
ZJS		 867 int r;
868 const void *data;
f1188074 869 size_t length, allocated = 0;
ea7061e4
JJ		 870
871 assert(j);
872 assert(boots);
873 assert(count);
f1188074
ZJS		 874
875 r = sd_journal_query_unique(j, "_BOOT_ID");
876 if (r < 0)
877 return r;
878
ea7061e4 879 *count = 0;
f1188074 880 SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
ea7061e4
JJ		 881 boot_id_t *id;
882
853bd5cc 883 assert(startswith(data, "_BOOT_ID="));
f1188074 884
ea7061e4 885 if (!GREEDY_REALLOC(*boots, allocated, *count + 1))
f1188074
ZJS		 886 return log_oom();
887
ea7061e4 888 id = *boots + *count;
f1188074
ZJS		 889
890 r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
891 if (r < 0)
892 continue;
893
894 r = sd_journal_add_match(j, data, length);
895 if (r < 0)
896 return r;
897
898 r = sd_journal_seek_head(j);
899 if (r < 0)
900 return r;
901
902 r = sd_journal_next(j);
903 if (r < 0)
904 return r;
905 else if (r == 0)
906 goto flush;
907
908 r = sd_journal_get_realtime_usec(j, &id->first);
909 if (r < 0)
910 return r;
911
ea7061e4
JJ		 912 if (query_ref_boot) {
913 id->last = 0;
914 if (sd_id128_equal(id->id, query_ref_boot->id))
915 *query_ref_boot = *id;
916 } else {
917 r = sd_journal_seek_tail(j);
918 if (r < 0)
919 return r;
f1188074 920
ea7061e4
JJ		 921 r = sd_journal_previous(j);
922 if (r < 0)
923 return r;
924 else if (r == 0)
925 goto flush;
f1188074 926
ea7061e4
JJ		 927 r = sd_journal_get_realtime_usec(j, &id->last);
928 if (r < 0)
929 return r;
930 }
f1188074 931
ea7061e4 932 (*count)++;
f1188074
ZJS		 933 flush:
934 sd_journal_flush_matches(j);
935 }
936
ea7061e4
JJ		 937 qsort_safe(*boots, *count, sizeof(boot_id_t), boot_id_cmp);
938 return 0;
939}
940
941static int list_boots(sd_journal *j) {
942 int r, w, i;
943 unsigned int count;
944 boot_id_t *id;
945 _cleanup_free_ boot_id_t *all_ids = NULL;
946
947 assert(j);
948
949 r = get_boots(j, &all_ids, &count, NULL);
950 if (r < 0)
951 return r;
952
953 pager_open_if_enabled();
f1188074
ZJS		 954
955 /* numbers are one less, but we need an extra char for the sign */
956 w = DECIMAL_STR_WIDTH(count - 1) + 1;
957
958 for (id = all_ids, i = 0; id < all_ids + count; id++, i++) {
959 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
960
961 printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
962 w, i - count + 1,
963 SD_ID128_FORMAT_VAL(id->id),
5ab99e07
LP		 964 format_timestamp_maybe_utc(a, sizeof(a), id->first),
965 format_timestamp_maybe_utc(b, sizeof(b), id->last));
f1188074
ZJS		 966 }
967
968 return 0;
969}
970
ea7061e4 971static int get_boot_id_by_offset(sd_journal *j, sd_id128_t *boot_id, int offset) {
a331b5e6 972 int r;
ea7061e4
JJ		 973 unsigned int count;
974 boot_id_t ref_boot_id = {}, *id;
a331b5e6 975 _cleanup_free_ boot_id_t *all_ids = NULL;
a331b5e6
JJ		 976
977 assert(j);
978 assert(boot_id);
979
ea7061e4
JJ		 980 ref_boot_id.id = *boot_id;
981 r = get_boots(j, &all_ids, &count, &ref_boot_id);
a331b5e6
JJ		 982 if (r < 0)
983 return r;
984
d121b396 985 if (sd_id128_equal(*boot_id, SD_ID128_NULL)) {
ea7061e4 986 if (offset > (int) count || offset <= -(int)count)
d121b396 987 return -EADDRNOTAVAIL;
a331b5e6 988
ea7061e4 989 *boot_id = all_ids[(offset <= 0)*count + offset - 1].id;
d121b396
ZJS		 990 } else {
991 id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp);
a331b5e6 992
d121b396 993 if (!id ||
ea7061e4
JJ		 994 offset <= 0 ? (id - all_ids) + offset < 0 :
995 (id - all_ids) + offset >= (int) count)
d121b396
ZJS		 996 return -EADDRNOTAVAIL;
997
ea7061e4 998 *boot_id = (id + offset)->id;
d121b396 999 }
a963990f 1000
a331b5e6
JJ		 1001 return 0;
1002}
1003
1004static int add_boot(sd_journal *j) {
1005 char match[9+32+1] = "_BOOT_ID=";
442e2def 1006 int r;
a331b5e6
JJ		 1007
1008 assert(j);
1009
d121b396 1010 if (!arg_boot)
a331b5e6
JJ		 1011 return 0;
1012
442e2def 1013 if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
b6741478 1014 return add_match_this_boot(j, arg_machine);
a331b5e6 1015
ea7061e4 1016 r = get_boot_id_by_offset(j, &arg_boot_id, arg_boot_offset);
a331b5e6 1017 if (r < 0) {
442e2def 1018 if (sd_id128_equal(arg_boot_id, SD_ID128_NULL))
da927ba9 1019 log_error_errno(r, "Failed to look up boot %+i: %m", arg_boot_offset);
d121b396 1020 else
442e2def
LP		 1021 log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s",
1022 SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, strerror(-r));
a331b5e6 1023 return r;
a331b5e6
JJ		 1024 }
1025
442e2def 1026 sd_id128_to_string(arg_boot_id, match + 9);
d121b396
ZJS		 1027
1028 r = sd_journal_add_match(j, match, sizeof(match) - 1);
23bbb0de
MS		 1029 if (r < 0)
1030 return log_error_errno(r, "Failed to add match: %m");
a331b5e6
JJ		 1031
1032 r = sd_journal_add_conjunction(j);
1033 if (r < 0)
1034 return r;
1035
1036 return 0;
a963990f
LP		 1037}
1038
99271804
ZJS		 1039static int add_dmesg(sd_journal *j) {
1040 int r;
1041 assert(j);
1042
1043 if (!arg_dmesg)
1044 return 0;
1045
1046 r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel"));
23bbb0de
MS		 1047 if (r < 0)
1048 return log_error_errno(r, "Failed to add match: %m");
99271804
ZJS		 1049
1050 r = sd_journal_add_conjunction(j);
1051 if (r < 0)
1052 return r;
1053
1054 return 0;
1055}
1056
ea18a4b5
ZJS		 1057static int get_possible_units(sd_journal *j,
1058 const char *fields,
1059 char **patterns,
1060 Set **units) {
1061 _cleanup_set_free_free_ Set *found;
1062 const char *field;
c3f60ec5 1063 int r;
ea18a4b5 1064
d5099efc 1065 found = set_new(&string_hash_ops);
ea18a4b5
ZJS		 1066 if (!found)
1067 return log_oom();
1068
1069 NULSTR_FOREACH(field, fields) {
1070 const void *data;
1071 size_t size;
1072
1073 r = sd_journal_query_unique(j, field);
1074 if (r < 0)
1075 return r;
1076
1077 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1078 char **pattern, *eq;
1079 size_t prefix;
1080 _cleanup_free_ char *u = NULL;
1081
1082 eq = memchr(data, '=', size);
1083 if (eq)
1084 prefix = eq - (char*) data + 1;
1085 else
1086 prefix = 0;
1087
1088 u = strndup((char*) data + prefix, size - prefix);
1089 if (!u)
1090 return log_oom();
1091
1092 STRV_FOREACH(pattern, patterns)
1093 if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
1094 log_debug("Matched %s with pattern %s=%s", u, field, *pattern);
1095
1096 r = set_consume(found, u);
1097 u = NULL;
1098 if (r < 0 && r != -EEXIST)
1099 return r;
1100
1101 break;
1102 }
1103 }
1104 }
1105
1106 *units = found;
1107 found = NULL;
1108 return 0;
1109}
1110
1111/* This list is supposed to return the superset of unit names
1112 * possibly matched by rules added with add_matches_for_unit... */
1113#define SYSTEM_UNITS \
1114 "_SYSTEMD_UNIT\0" \
1115 "COREDUMP_UNIT\0" \
1116 "UNIT\0" \
1117 "OBJECT_SYSTEMD_UNIT\0" \
1118 "_SYSTEMD_SLICE\0"
1119
1120/* ... and add_matches_for_user_unit */
1121#define USER_UNITS \
1122 "_SYSTEMD_USER_UNIT\0" \
1123 "USER_UNIT\0" \
1124 "COREDUMP_USER_UNIT\0" \
1125 "OBJECT_SYSTEMD_USER_UNIT\0"
1126
1127static int add_units(sd_journal *j) {
1128 _cleanup_strv_free_ char **patterns = NULL;
1129 int r, count = 0;
b9e40524 1130 char **i;
c3f60ec5
LP		 1131
1132 assert(j);
1133
b9e40524 1134 STRV_FOREACH(i, arg_system_units) {
ea18a4b5
ZJS		 1135 _cleanup_free_ char *u = NULL;
1136
1137 u = unit_name_mangle(*i, MANGLE_GLOB);
b9e40524
HH		 1138 if (!u)
1139 return log_oom();
ea18a4b5
ZJS		 1140
1141 if (string_is_glob(u)) {
1142 r = strv_push(&patterns, u);
1143 if (r < 0)
1144 return r;
1145 u = NULL;
1146 } else {
1147 r = add_matches_for_unit(j, u);
1148 if (r < 0)
1149 return r;
1150 r = sd_journal_add_disjunction(j);
1151 if (r < 0)
1152 return r;
1153 count ++;
1154 }
1155 }
1156
1157 if (!strv_isempty(patterns)) {
1158 _cleanup_set_free_free_ Set *units = NULL;
1159 Iterator it;
1160 char *u;
1161
1162 r = get_possible_units(j, SYSTEM_UNITS, patterns, &units);
b9e40524
HH		 1163 if (r < 0)
1164 return r;
ea18a4b5
ZJS		 1165
1166 SET_FOREACH(u, units, it) {
1167 r = add_matches_for_unit(j, u);
1168 if (r < 0)
1169 return r;
1170 r = sd_journal_add_disjunction(j);
1171 if (r < 0)
1172 return r;
1173 count ++;
1174 }
b9e40524 1175 }
c3f60ec5 1176
ea18a4b5
ZJS		 1177 strv_free(patterns);
1178 patterns = NULL;
1179
b9e40524 1180 STRV_FOREACH(i, arg_user_units) {
ea18a4b5
ZJS		 1181 _cleanup_free_ char *u = NULL;
1182
1183 u = unit_name_mangle(*i, MANGLE_GLOB);
b9e40524
HH		 1184 if (!u)
1185 return log_oom();
c3f60ec5 1186
ea18a4b5
ZJS		 1187 if (string_is_glob(u)) {
1188 r = strv_push(&patterns, u);
1189 if (r < 0)
1190 return r;
1191 u = NULL;
1192 } else {
1193 r = add_matches_for_user_unit(j, u, getuid());
1194 if (r < 0)
1195 return r;
1196 r = sd_journal_add_disjunction(j);
1197 if (r < 0)
1198 return r;
1199 count ++;
1200 }
1201 }
1202
1203 if (!strv_isempty(patterns)) {
1204 _cleanup_set_free_free_ Set *units = NULL;
1205 Iterator it;
1206 char *u;
b9e40524 1207
ea18a4b5 1208 r = get_possible_units(j, USER_UNITS, patterns, &units);
b9e40524
HH		 1209 if (r < 0)
1210 return r;
1211
ea18a4b5
ZJS		 1212 SET_FOREACH(u, units, it) {
1213 r = add_matches_for_user_unit(j, u, getuid());
1214 if (r < 0)
1215 return r;
1216 r = sd_journal_add_disjunction(j);
1217 if (r < 0)
1218 return r;
1219 count ++;
1220 }
b9e40524 1221 }
c3f60ec5 1222
ea18a4b5
ZJS		 1223 /* Complain if the user request matches but nothing whatsoever was
1224 * found, since otherwise everything would be matched. */
1225 if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0)
1226 return -ENODATA;
1227
cd34b3c6
HH		 1228 r = sd_journal_add_conjunction(j);
1229 if (r < 0)
1230 return r;
1231
c3f60ec5
LP		 1232 return 0;
1233}
1234
941e990d
LP		 1235static int add_priorities(sd_journal *j) {
1236 char match[] = "PRIORITY=0";
1237 int i, r;
941e990d
LP		 1238 assert(j);
1239
1240 if (arg_priorities == 0xFF)
1241 return 0;
1242
1243 for (i = LOG_EMERG; i <= LOG_DEBUG; i++)
1244 if (arg_priorities & (1 << i)) {
1245 match[sizeof(match)-2] = '0' + i;
1246
941e990d 1247 r = sd_journal_add_match(j, match, strlen(match));
23bbb0de
MS		 1248 if (r < 0)
1249 return log_error_errno(r, "Failed to add match: %m");
941e990d
LP		 1250 }
1251
cd34b3c6
HH		 1252 r = sd_journal_add_conjunction(j);
1253 if (r < 0)
1254 return r;
1255
941e990d
LP		 1256 return 0;
1257}
1258
73083640
HH		 1259
1260static int add_syslog_identifier(sd_journal *j) {
1261 int r;
1262 char **i;
1263
1264 assert(j);
1265
1266 STRV_FOREACH(i, arg_syslog_identifier) {
1267 char *u;
1268
63c372cb 1269 u = strjoina("SYSLOG_IDENTIFIER=", *i);
73083640
HH		 1270 r = sd_journal_add_match(j, u, 0);
1271 if (r < 0)
1272 return r;
1273 r = sd_journal_add_disjunction(j);
1274 if (r < 0)
1275 return r;
1276 }
1277
1278 r = sd_journal_add_conjunction(j);
1279 if (r < 0)
1280 return r;
1281
1282 return 0;
1283}
1284
7560fffc
LP		 1285static int setup_keys(void) {
1286#ifdef HAVE_GCRYPT
1287 size_t mpk_size, seed_size, state_size, i;
1288 uint8_t *mpk, *seed, *state;
11689d2a 1289 int fd = -1, r;
7560fffc
LP		 1290 sd_id128_t machine, boot;
1291 char *p = NULL, *k = NULL;
baed47c3 1292 struct FSSHeader h;
14d10188 1293 uint64_t n;
b98e3866
SL		 1294 struct stat st;
1295
1296 r = stat("/var/log/journal", &st);
4a62c710
MS		 1297 if (r < 0 && errno != ENOENT && errno != ENOTDIR)
1298 return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal");
b98e3866
SL		 1299
1300 if (r < 0 || !S_ISDIR(st.st_mode)) {
1301 log_error("%s is not a directory, must be using persistent logging for FSS.",
1302 "/var/log/journal");
1303 return r < 0 ? -errno : -ENOTDIR;
1304 }
7560fffc
LP		 1305
1306 r = sd_id128_get_machine(&machine);
23bbb0de
MS		 1307 if (r < 0)
1308 return log_error_errno(r, "Failed to get machine ID: %m");
7560fffc
LP		 1309
1310 r = sd_id128_get_boot(&boot);
23bbb0de
MS		 1311 if (r < 0)
1312 return log_error_errno(r, "Failed to get boot ID: %m");
7560fffc 1313
baed47c3 1314 if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
7560fffc
LP		 1315 SD_ID128_FORMAT_VAL(machine)) < 0)
1316 return log_oom();
1317
faf9da01
ZJS		 1318 if (arg_force) {
1319 r = unlink(p);
1320 if (r < 0 && errno != ENOENT) {
1321 r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
b8547c10
SL		 1322 goto finish;
1323 }
faf9da01
ZJS		 1324 } else if (access(p, F_OK) >= 0) {
1325 log_error("Sealing key file %s exists already. Use --force to recreate.", p);
1326 r = -EEXIST;
1327 goto finish;
7560fffc
LP		 1328 }
1329
baed47c3 1330 if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
7560fffc
LP		 1331 SD_ID128_FORMAT_VAL(machine)) < 0) {
1332 r = log_oom();
1333 goto finish;
1334 }
1335
1336 mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR);
1337 mpk = alloca(mpk_size);
1338
1339 seed_size = FSPRG_RECOMMENDED_SEEDLEN;
1340 seed = alloca(seed_size);
1341
1342 state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
1343 state = alloca(state_size);
1344
1345 fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
1346 if (fd < 0) {
56f64d95 1347 log_error_errno(errno, "Failed to open /dev/random: %m");
7560fffc
LP		 1348 r = -errno;
1349 goto finish;
1350 }
1351
1352 log_info("Generating seed...");
a6dcc7e5
ZJS		 1353 r = loop_read_exact(fd, seed, seed_size, true);
1354 if (r < 0) {
1355 log_error_errno(r, "Failed to read random seed: %m");
7560fffc
LP		 1356 goto finish;
1357 }
1358
1359 log_info("Generating key pair...");
1360 FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR);
1361
baed47c3 1362 log_info("Generating sealing key...");
7560fffc
LP		 1363 FSPRG_GenState0(state, mpk, seed, seed_size);
1364
baed47c3
LP		 1365 assert(arg_interval > 0);
1366
7560fffc 1367 n = now(CLOCK_REALTIME);
baed47c3 1368 n /= arg_interval;
7560fffc 1369
03e334a1 1370 safe_close(fd);
2d5bdf5b 1371 fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
7560fffc 1372 if (fd < 0) {
56f64d95 1373 log_error_errno(errno, "Failed to open %s: %m", k);
7560fffc
LP		 1374 r = -errno;
1375 goto finish;
1376 }
1377
f982e6f7
LP		 1378 /* Enable secure remove, exclusion from dump, synchronous
1379 * writing and in-place updating */
11689d2a
LP		 1380 r = chattr_fd(fd, true, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL);
1381 if (r < 0)
1382 log_warning_errno(errno, "Failed to set file attributes: %m");
f982e6f7 1383
7560fffc
LP		 1384 zero(h);
1385 memcpy(h.signature, "KSHHRHLP", 8);
1386 h.machine_id = machine;
1387 h.boot_id = boot;
1388 h.header_size = htole64(sizeof(h));
baed47c3
LP		 1389 h.start_usec = htole64(n * arg_interval);
1390 h.interval_usec = htole64(arg_interval);
1391 h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR);
1392 h.fsprg_state_size = htole64(state_size);
7560fffc 1393
553acb7b
ZJS		 1394 r = loop_write(fd, &h, sizeof(h), false);
1395 if (r < 0) {
1396 log_error_errno(r, "Failed to write header: %m");
7560fffc
LP		 1397 goto finish;
1398 }
1399
553acb7b
ZJS		 1400 r = loop_write(fd, state, state_size, false);
1401 if (r < 0) {
1402 log_error_errno(r, "Failed to write state: %m");
7560fffc
LP		 1403 goto finish;
1404 }
1405
1406 if (link(k, p) < 0) {
56f64d95 1407 log_error_errno(errno, "Failed to link file: %m");
7560fffc
LP		 1408 r = -errno;
1409 goto finish;
1410 }
1411
8481248b 1412 if (on_tty()) {
7560fffc
LP		 1413 fprintf(stderr,
1414 "\n"
baed47c3 1415 "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n"
c05276f2
LP		 1416 "the following local file. This key file is automatically updated when the\n"
1417 "sealing key is advanced. It should not be used on multiple hosts.\n"
7560fffc
LP		 1418 "\n"
1419 "\t%s\n"
1420 "\n"
baed47c3
LP		 1421 "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n"
1422 "at a safe location and should not be saved locally on disk.\n"
7560fffc
LP		 1423 "\n\t" ANSI_HIGHLIGHT_RED_ON, p);
1424 fflush(stderr);
1425 }
1426 for (i = 0; i < seed_size; i++) {
1427 if (i > 0 && i % 3 == 0)
1428 putchar('-');
1429 printf("%02x", ((uint8_t*) seed)[i]);
1430 }
1431
baed47c3
LP		 1432 printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval);
1433
8481248b 1434 if (on_tty()) {
f6a971bc 1435 char tsb[FORMAT_TIMESPAN_MAX], *hn;
7560fffc 1436
baed47c3
LP		 1437 fprintf(stderr,
1438 ANSI_HIGHLIGHT_OFF "\n"
1439 "The sealing key is automatically changed every %s.\n",
2fa4092c 1440 format_timespan(tsb, sizeof(tsb), arg_interval, 0));
f6a971bc
LP		 1441
1442 hn = gethostname_malloc();
1443
1444 if (hn) {
e724b063 1445 hostname_cleanup(hn, false);
adac1c93 1446 fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine));
f6a971bc 1447 } else
adac1c93 1448 fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine));
f6a971bc
LP		 1449
1450#ifdef HAVE_QRENCODE
cf5a3432 1451 /* If this is not an UTF-8 system don't print any QR codes */
09017585 1452 if (is_locale_utf8()) {
cf5a3432
LP		 1453 fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr);
1454 print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
1455 }
f6a971bc
LP		 1456#endif
1457 free(hn);
baed47c3 1458 }
7560fffc
LP		 1459
1460 r = 0;
1461
1462finish:
03e334a1 1463 safe_close(fd);
7560fffc
LP		 1464
1465 if (k) {
1466 unlink(k);
1467 free(k);
1468 }
1469
1470 free(p);
1471
1472 return r;
1473#else
feb12d3e 1474 log_error("Forward-secure sealing not available.");
15411c0c 1475 return -EOPNOTSUPP;
7560fffc
LP		 1476#endif
1477}
1478
beec0085
LP		 1479static int verify(sd_journal *j) {
1480 int r = 0;
1481 Iterator i;
1482 JournalFile *f;
1483
1484 assert(j);
1485
cedb42bb
LP		 1486 log_show_color(true);
1487
c1f906bd 1488 ORDERED_HASHMAP_FOREACH(f, j->files, i) {
beec0085 1489 int k;
2a7b539a 1490 usec_t first, validated, last;
beec0085 1491
56e81f7c 1492#ifdef HAVE_GCRYPT
feb12d3e 1493 if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
cedb42bb 1494 log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path);
56e81f7c 1495#endif
4da416aa 1496
2a7b539a 1497 k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true);
56e81f7c 1498 if (k == -EINVAL) {
baed47c3 1499 /* If the key was invalid give up right-away. */
56e81f7c
LP		 1500 return k;
1501 } else if (k < 0) {
beec0085 1502 log_warning("FAIL: %s (%s)", f->path, strerror(-k));
56e81f7c 1503 r = k;
6c7be122
LP		 1504 } else {
1505 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX];
beec0085 1506 log_info("PASS: %s", f->path);
6c7be122 1507
c0ca7aee 1508 if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
2a7b539a 1509 if (validated > 0) {
c0ca7aee 1510 log_info("=> Validated from %s to %s, final %s entries not sealed.",
5ab99e07
LP		 1511 format_timestamp_maybe_utc(a, sizeof(a), first),
1512 format_timestamp_maybe_utc(b, sizeof(b), validated),
2fa4092c 1513 format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0));
2a7b539a 1514 } else if (last > 0)
c0ca7aee 1515 log_info("=> No sealing yet, %s of entries not sealed.",
2fa4092c 1516 format_timespan(c, sizeof(c), last - first, 0));
c0ca7aee
LP		 1517 else
1518 log_info("=> No sealing yet, no entries in file.");
1519 }
6c7be122 1520 }
beec0085
LP		 1521 }
1522
1523 return r;
1524}
1525
15804ceb 1526#ifdef HAVE_ACL
6fe391c5
ZJS		 1527static int access_check_var_log_journal(sd_journal *j) {
1528 _cleanup_strv_free_ char **g = NULL;
1529 bool have_access;
1530 int r;
1531
1532 assert(j);
1533
1534 have_access = in_group("systemd-journal") > 0;
1535
1536 if (!have_access) {
05c18530
ZJS		 1537 const char* dir;
1538
1539 if (access("/run/log/journal", F_OK) >= 0)
1540 dir = "/run/log/journal";
1541 else
1542 dir = "/var/log/journal";
1543
6fe391c5
ZJS		 1544 /* Let's enumerate all groups from the default ACL of
1545 * the directory, which generally should allow access
1546 * to most journal files too */
05c18530 1547 r = search_acl_groups(&g, dir, &have_access);
6fe391c5
ZJS		 1548 if (r < 0)
1549 return r;
15804ceb
LP		 1550 }
1551
6fe391c5 1552 if (!have_access) {
4468addc 1553
6fe391c5 1554 if (strv_isempty(g))
3ac251b8
LP		 1555 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
1556 " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
1557 " turn off this notice.");
6fe391c5
ZJS		 1558 else {
1559 _cleanup_free_ char *s = NULL;
4468addc 1560
6fe391c5 1561 r = strv_extend(&g, "systemd-journal");
478c8269 1562 if (r < 0)
6fe391c5
ZJS		 1563 return log_oom();
1564
1565 strv_sort(g);
1566 strv_uniq(g);
1567
1568 s = strv_join(g, "', '");
1569 if (!s)
1570 return log_oom();
1571
1572 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
05c18530 1573 " Users in groups '%s' can see all messages.\n"
3ac251b8 1574 " Pass -q to turn off this notice.", s);
4468addc 1575 }
6fe391c5 1576 }
4468addc 1577
6fe391c5
ZJS		 1578 return 0;
1579}
1580#endif
4468addc 1581
6fe391c5 1582static int access_check(sd_journal *j) {
6fe391c5 1583 Iterator it;
3ac251b8 1584 void *code;
6fe391c5 1585 int r = 0;
4468addc 1586
6fe391c5 1587 assert(j);
4468addc 1588
6fe391c5 1589 if (set_isempty(j->errors)) {
c1f906bd 1590 if (ordered_hashmap_isempty(j->files))
3ac251b8 1591 log_notice("No journal files were found.");
6fe391c5
ZJS		 1592 return 0;
1593 }
4468addc 1594
3ac251b8 1595 if (set_contains(j->errors, INT_TO_PTR(-EACCES))) {
6fe391c5 1596#ifdef HAVE_ACL
05c18530
ZJS		 1597 /* If /run/log/journal or /var/log/journal exist, try
1598 to pring a nice notice if the user lacks access to it. */
6fe391c5
ZJS		 1599 if (!arg_quiet && geteuid() != 0) {
1600 r = access_check_var_log_journal(j);
1601 if (r < 0)
1602 return r;
4468addc 1603 }
15804ceb 1604#else
3ac251b8
LP		 1605 if (geteuid() != 0 && in_group("systemd-journal") <= 0) {
1606 log_error("Unprivileged users cannot access messages. Users in the 'systemd-journal' group\n"
1607 "group may access messages.");
1608 return -EACCES;
1609 }
15804ceb 1610#endif
3ac251b8 1611
c1f906bd 1612 if (ordered_hashmap_isempty(j->files)) {
3ac251b8 1613 log_error("No journal files were opened due to insufficient permissions.");
6fe391c5
ZJS		 1614 r = -EACCES;
1615 }
1616 }
15804ceb 1617
6fe391c5 1618 SET_FOREACH(code, j->errors, it) {
3ac251b8
LP		 1619 int err;
1620
1621 err = -PTR_TO_INT(code);
6fe391c5 1622 assert(err > 0);
3ac251b8 1623
6fe391c5 1624 if (err != EACCES)
c33b3297 1625 log_warning_errno(err, "Error was encountered while opening journal files: %m");
6fe391c5
ZJS		 1626 }
1627
6fe391c5 1628 return r;
15804ceb
LP		 1629}
1630
74055aa7
LP		 1631static int flush_to_var(void) {
1632 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1633 _cleanup_bus_close_unref_ sd_bus *bus = NULL;
1634 _cleanup_close_ int watch_fd = -1;
1635 int r;
1636
1637 /* Quick exit */
1638 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1639 return 0;
1640
1641 /* OK, let's actually do the full logic, send SIGUSR1 to the
1642 * daemon and set up inotify to wait for the flushed file to appear */
1643 r = bus_open_system_systemd(&bus);
23bbb0de
MS		 1644 if (r < 0)
1645 return log_error_errno(r, "Failed to get D-Bus connection: %m");
74055aa7
LP		 1646
1647 r = sd_bus_call_method(
1648 bus,
1649 "org.freedesktop.systemd1",
1650 "/org/freedesktop/systemd1",
1651 "org.freedesktop.systemd1.Manager",
1652 "KillUnit",
1653 &error,
1654 NULL,
1655 "ssi", "systemd-journald.service", "main", SIGUSR1);
1656 if (r < 0) {
1657 log_error("Failed to kill journal service: %s", bus_error_message(&error, r));
1658 return r;
1659 }
1660
1661 mkdir_p("/run/systemd/journal", 0755);
1662
1663 watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
4a62c710
MS		 1664 if (watch_fd < 0)
1665 return log_error_errno(errno, "Failed to create inotify watch: %m");
74055aa7
LP		 1666
1667 r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
4a62c710
MS		 1668 if (r < 0)
1669 return log_error_errno(errno, "Failed to watch journal directory: %m");
74055aa7
LP		 1670
1671 for (;;) {
1672 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1673 break;
1674
4a62c710 1675 if (errno != ENOENT)
f131770b 1676 return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m");
74055aa7
LP		 1677
1678 r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
23bbb0de
MS		 1679 if (r < 0)
1680 return log_error_errno(r, "Failed to wait for event: %m");
74055aa7
LP		 1681
1682 r = flush_fd(watch_fd);
23bbb0de
MS		 1683 if (r < 0)
1684 return log_error_errno(r, "Failed to flush inotify events: %m");
74055aa7
LP		 1685 }
1686
1687 return 0;
1688}
1689
a963990f
LP		 1690int main(int argc, char *argv[]) {
1691 int r;
289f910e 1692 _cleanup_journal_close_ sd_journal *j = NULL;
a963990f 1693 bool need_seek = false;
14a65d65 1694 sd_id128_t previous_boot_id;
67e04a48
ZJS		 1695 bool previous_boot_id_valid = false, first_line = true;
1696 int n_shown = 0;
94e0bd7d 1697 bool ellipsized = false;
a963990f 1698
a9cdc94f 1699 setlocale(LC_ALL, "");
a963990f
LP		 1700 log_parse_environment();
1701 log_open();
1702
1703 r = parse_argv(argc, argv);
1704 if (r <= 0)
1705 goto finish;
1706
ed757c0c 1707 signal(SIGWINCH, columns_lines_cache_reset);
2cf4172a 1708 sigbus_install();
ed757c0c 1709
de45d726
LP		 1710 /* Increase max number of open files to 16K if we can, we
1711 * might needs this when browsing journal files, which might
1712 * be split up into many files. */
1713 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
1714
7560fffc 1715 if (arg_action == ACTION_NEW_ID128) {
a963990f
LP		 1716 r = generate_new_id128();
1717 goto finish;
1718 }
1719
74055aa7
LP		 1720 if (arg_action == ACTION_FLUSH) {
1721 r = flush_to_var();
1722 goto finish;
1723 }
1724
7560fffc
LP		 1725 if (arg_action == ACTION_SETUP_KEYS) {
1726 r = setup_keys();
1727 goto finish;
1728 }
1729
844ec79b
ZJS		 1730 if (arg_action == ACTION_UPDATE_CATALOG ||
1731 arg_action == ACTION_LIST_CATALOG ||
1732 arg_action == ACTION_DUMP_CATALOG) {
1733
0c6ea3a4
ZJS		 1734 _cleanup_free_ char *database;
1735
1736 database = path_join(arg_root, CATALOG_DATABASE, NULL);
1737 if (!database) {
1738 r = log_oom();
1739 goto finish;
13cbf3a5
ZJS		 1740 }
1741
844ec79b 1742 if (arg_action == ACTION_UPDATE_CATALOG) {
13cbf3a5 1743 r = catalog_update(database, arg_root, catalog_file_dirs);
844ec79b 1744 if (r < 0)
da927ba9 1745 log_error_errno(r, "Failed to list catalog: %m");
844ec79b
ZJS		 1746 } else {
1747 bool oneline = arg_action == ACTION_LIST_CATALOG;
1748
1749 if (optind < argc)
13cbf3a5 1750 r = catalog_list_items(stdout, database,
844ec79b
ZJS		 1751 oneline, argv + optind);
1752 else
13cbf3a5 1753 r = catalog_list(stdout, database, oneline);
844ec79b 1754 if (r < 0)
da927ba9 1755 log_error_errno(r, "Failed to list catalog: %m");
844ec79b 1756 }
d4205751 1757
d4205751
LP		 1758 goto finish;
1759 }
1760
a963990f 1761 if (arg_directory)
3f3a438f 1762 r = sd_journal_open_directory(&j, arg_directory, arg_journal_type);
8d98da3f
ZJS		 1763 else if (arg_file)
1764 r = sd_journal_open_files(&j, (const char**) arg_file, 0);
b6741478
LP		 1765 else if (arg_machine)
1766 r = sd_journal_open_container(&j, arg_machine, 0);
a963990f 1767 else
3f3a438f 1768 r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
a963990f 1769 if (r < 0) {
c33b3297
MS		 1770 log_error_errno(r, "Failed to open %s: %m",
1771 arg_directory ? arg_directory : arg_file ? "files" : "journal");
763c7aa2 1772 return EXIT_FAILURE;
a963990f
LP		 1773 }
1774
6fe391c5
ZJS		 1775 r = access_check(j);
1776 if (r < 0)
1777 return EXIT_FAILURE;
1778
beec0085
LP		 1779 if (arg_action == ACTION_VERIFY) {
1780 r = verify(j);
1781 goto finish;
1782 }
1783
7560fffc 1784 if (arg_action == ACTION_PRINT_HEADER) {
dca6219e 1785 journal_print_header(j);
763c7aa2 1786 return EXIT_SUCCESS;
dca6219e
LP		 1787 }
1788
a1a03e30 1789 if (arg_action == ACTION_DISK_USAGE) {
39883f62 1790 uint64_t bytes = 0;
a1a03e30
LP		 1791 char sbytes[FORMAT_BYTES_MAX];
1792
1793 r = sd_journal_get_usage(j, &bytes);
1794 if (r < 0)
763c7aa2 1795 return EXIT_FAILURE;
a1a03e30 1796
dbd2a83f 1797 printf("Archived and active journals take up %s on disk.\n",
763c7aa2
ZJS		 1798 format_bytes(sbytes, sizeof(sbytes), bytes));
1799 return EXIT_SUCCESS;
a1a03e30
LP		 1800 }
1801
dbd2a83f
LP		 1802 if (arg_action == ACTION_VACUUM) {
1803 Directory *d;
1804 Iterator i;
1805
1806 HASHMAP_FOREACH(d, j->directories_by_path, i) {
1807 int q;
1808
1809 if (d->is_root)
1810 continue;
1811
1812 q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_time, NULL, true);
1813 if (q < 0) {
da927ba9 1814 log_error_errno(q, "Failed to vacuum: %m");
dbd2a83f
LP		 1815 r = q;
1816 }
1817 }
1818
1819 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1820 }
1821
f1188074
ZJS		 1822 if (arg_action == ACTION_LIST_BOOTS) {
1823 r = list_boots(j);
1824 goto finish;
1825 }
1826
a331b5e6
JJ		 1827 /* add_boot() must be called first!
1828 * It may need to seek the journal to find parent boot IDs. */
1829 r = add_boot(j);
a963990f 1830 if (r < 0)
763c7aa2 1831 return EXIT_FAILURE;
a963990f 1832
99271804
ZJS		 1833 r = add_dmesg(j);
1834 if (r < 0)
1835 return EXIT_FAILURE;
1836
b9e40524
HH		 1837 r = add_units(j);
1838 strv_free(arg_system_units);
1839 strv_free(arg_user_units);
1840
ea18a4b5 1841 if (r < 0) {
da927ba9 1842 log_error_errno(r, "Failed to add filter for units: %m");
763c7aa2 1843 return EXIT_FAILURE;
ea18a4b5 1844 }
c3f60ec5 1845
73083640
HH		 1846 r = add_syslog_identifier(j);
1847 if (r < 0) {
da927ba9 1848 log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
73083640
HH		 1849 return EXIT_FAILURE;
1850 }
1851
cd34b3c6 1852 r = add_priorities(j);
ea18a4b5 1853 if (r < 0) {
da927ba9 1854 log_error_errno(r, "Failed to add filter for priorities: %m");
763c7aa2 1855 return EXIT_FAILURE;
ea18a4b5 1856 }
a963990f 1857
cd34b3c6 1858 r = add_matches(j, argv + optind);
ea18a4b5 1859 if (r < 0) {
da927ba9 1860 log_error_errno(r, "Failed to add filters: %m");
763c7aa2 1861 return EXIT_FAILURE;
ea18a4b5 1862 }
941e990d 1863
553d2243 1864 if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
4ad16808
ZJS		 1865 _cleanup_free_ char *filter;
1866
1867 filter = journal_make_match_string(j);
1868 log_debug("Journal filter: %s", filter);
1869 }
67e04a48 1870
15119c16
LP		 1871 if (arg_field) {
1872 const void *data;
1873 size_t size;
1874
21ae4593
ZJS		 1875 r = sd_journal_set_data_threshold(j, 0);
1876 if (r < 0) {
1877 log_error("Failed to unset data size threshold");
1878 return EXIT_FAILURE;
1879 }
1880
15119c16
LP		 1881 r = sd_journal_query_unique(j, arg_field);
1882 if (r < 0) {
da927ba9 1883 log_error_errno(r, "Failed to query unique data objects: %m");
763c7aa2 1884 return EXIT_FAILURE;
15119c16
LP		 1885 }
1886
1887 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1888 const void *eq;
1889
67e04a48 1890 if (arg_lines >= 0 && n_shown >= arg_lines)
fd6e8875
LP		 1891 break;
1892
15119c16
LP		 1893 eq = memchr(data, '=', size);
1894 if (eq)
1895 printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1);
1896 else
1897 printf("%.*s\n", (int) size, (const char*) data);
fd6e8875
LP		 1898
1899 n_shown ++;
15119c16
LP		 1900 }
1901
763c7aa2 1902 return EXIT_SUCCESS;
15119c16
LP		 1903 }
1904
8d98da3f
ZJS		 1905 /* Opening the fd now means the first sd_journal_wait() will actually wait */
1906 if (arg_follow) {
1907 r = sd_journal_get_fd(j);
1908 if (r < 0)
1909 return EXIT_FAILURE;
1910 }
1911
248fc619 1912 if (arg_cursor || arg_after_cursor) {
eacbb4d3 1913 r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
08984293 1914 if (r < 0) {
da927ba9 1915 log_error_errno(r, "Failed to seek to cursor: %m");
763c7aa2 1916 return EXIT_FAILURE;
08984293 1917 }
d89d6c86 1918 if (!arg_reverse)
248fc619 1919 r = sd_journal_next_skip(j, 1 + !!arg_after_cursor);
d89d6c86 1920 else
248fc619
ZJS		 1921 r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
1922
8ee8e536 1923 if (arg_after_cursor && r < 2) {
248fc619 1924 /* We couldn't find the next entry after the cursor. */
8ee8e536
WD		 1925 if (arg_follow)
1926 need_seek = true;
1927 else
1928 arg_lines = 0;
1929 }
08984293 1930
d89d6c86 1931 } else if (arg_since_set && !arg_reverse) {
cfbc22ab 1932 r = sd_journal_seek_realtime_usec(j, arg_since);
8f14c832 1933 if (r < 0) {
da927ba9 1934 log_error_errno(r, "Failed to seek to date: %m");
763c7aa2 1935 return EXIT_FAILURE;
8f14c832 1936 }
8f14c832
LP		 1937 r = sd_journal_next(j);
1938
d89d6c86
LN		 1939 } else if (arg_until_set && arg_reverse) {
1940 r = sd_journal_seek_realtime_usec(j, arg_until);
1941 if (r < 0) {
da927ba9 1942 log_error_errno(r, "Failed to seek to date: %m");
763c7aa2 1943 return EXIT_FAILURE;
d89d6c86
LN		 1944 }
1945 r = sd_journal_previous(j);
1946
67e04a48 1947 } else if (arg_lines >= 0) {
2100675e
LP		 1948 r = sd_journal_seek_tail(j);
1949 if (r < 0) {
da927ba9 1950 log_error_errno(r, "Failed to seek to tail: %m");
763c7aa2 1951 return EXIT_FAILURE;
2100675e
LP		 1952 }
1953
1954 r = sd_journal_previous_skip(j, arg_lines);
8f14c832 1955
d89d6c86
LN		 1956 } else if (arg_reverse) {
1957 r = sd_journal_seek_tail(j);
1958 if (r < 0) {
da927ba9 1959 log_error_errno(r, "Failed to seek to tail: %m");
763c7aa2 1960 return EXIT_FAILURE;
d89d6c86
LN		 1961 }
1962
1963 r = sd_journal_previous(j);
1964
2100675e
LP		 1965 } else {
1966 r = sd_journal_seek_head(j);
1967 if (r < 0) {
da927ba9 1968 log_error_errno(r, "Failed to seek to head: %m");
763c7aa2 1969 return EXIT_FAILURE;
2100675e 1970 }
6f003b43
LP		 1971
1972 r = sd_journal_next(j);
1973 }
1974
1975 if (r < 0) {
da927ba9 1976 log_error_errno(r, "Failed to iterate through journal: %m");
763c7aa2 1977 return EXIT_FAILURE;
50f20cfd 1978 }
87d2c1ff 1979
faf5077f
DH		 1980 if (!arg_follow)
1981 pager_open_if_enabled();
0d43c694 1982
cfbc22ab
LP		 1983 if (!arg_quiet) {
1984 usec_t start, end;
1985 char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
1986
1987 r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
1988 if (r < 0) {
da927ba9 1989 log_error_errno(r, "Failed to get cutoff: %m");
cfbc22ab
LP		 1990 goto finish;
1991 }
1992
1993 if (r > 0) {
1994 if (arg_follow)
9048b11f 1995 printf("-- Logs begin at %s. --\n",
5ab99e07 1996 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start));
cfbc22ab 1997 else
9048b11f 1998 printf("-- Logs begin at %s, end at %s. --\n",
5ab99e07
LP		 1999 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
2000 format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
cfbc22ab
LP		 2001 }
2002 }
2003
50f20cfd 2004 for (;;) {
67e04a48 2005 while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) {
cfbc22ab
LP		 2006 int flags;
2007
6f003b43 2008 if (need_seek) {
99613ec5 2009 if (!arg_reverse)
d89d6c86
LN		 2010 r = sd_journal_next(j);
2011 else
2012 r = sd_journal_previous(j);
6f003b43 2013 if (r < 0) {
da927ba9 2014 log_error_errno(r, "Failed to iterate through journal: %m");
6f003b43
LP		 2015 goto finish;
2016 }
a72b6353
ZJS		 2017 if (r == 0)
2018 break;
0d43c694
LP		 2019 }
2020
d89d6c86 2021 if (arg_until_set && !arg_reverse) {
cfbc22ab
LP		 2022 usec_t usec;
2023
2024 r = sd_journal_get_realtime_usec(j, &usec);
2025 if (r < 0) {
da927ba9 2026 log_error_errno(r, "Failed to determine timestamp: %m");
cfbc22ab
LP		 2027 goto finish;
2028 }
3ba09ee8
PF		 2029 if (usec > arg_until)
2030 goto finish;
cfbc22ab
LP		 2031 }
2032
d89d6c86
LN		 2033 if (arg_since_set && arg_reverse) {
2034 usec_t usec;
2035
2036 r = sd_journal_get_realtime_usec(j, &usec);
2037 if (r < 0) {
da927ba9 2038 log_error_errno(r, "Failed to determine timestamp: %m");
d89d6c86
LN		 2039 goto finish;
2040 }
2041 if (usec < arg_since)
2042 goto finish;
2043 }
2044
4bed2485 2045 if (!arg_merge && !arg_quiet) {
cd931c0a 2046 sd_id128_t boot_id;
14a65d65 2047
cd931c0a
LP		 2048 r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
2049 if (r >= 0) {
2050 if (previous_boot_id_valid &&
2051 !sd_id128_equal(boot_id, previous_boot_id))
0b5a519c
DS		 2052 printf("%s-- Reboot --%s\n",
2053 ansi_highlight(), ansi_highlight_off());
cd931c0a
LP		 2054
2055 previous_boot_id = boot_id;
2056 previous_boot_id_valid = true;
2057 }
14a65d65
LP		 2058 }
2059
cfbc22ab 2060 flags =
cd4b13e0 2061 arg_all * OUTPUT_SHOW_ALL |
2b8f6883 2062 arg_full * OUTPUT_FULL_WIDTH |
d4205751 2063 on_tty() * OUTPUT_COLOR |
9fd29044
JS		 2064 arg_catalog * OUTPUT_CATALOG |
2065 arg_utc * OUTPUT_UTC;
cfbc22ab 2066
94e0bd7d 2067 r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
a72b6353
ZJS		 2068 need_seek = true;
2069 if (r == -EADDRNOTAVAIL)
2070 break;
2071 else if (r < 0 || ferror(stdout))
72f59706 2072 goto finish;
6f003b43 2073
cfbc22ab 2074 n_shown++;
87d2c1ff
LP		 2075 }
2076
248fc619
ZJS		 2077 if (!arg_follow) {
2078 if (arg_show_cursor) {
2079 _cleanup_free_ char *cursor = NULL;
2080
2081 r = sd_journal_get_cursor(j, &cursor);
2082 if (r < 0 && r != -EADDRNOTAVAIL)
da927ba9 2083 log_error_errno(r, "Failed to get cursor: %m");
248fc619
ZJS		 2084 else if (r >= 0)
2085 printf("-- cursor: %s\n", cursor);
2086 }
2087
50f20cfd 2088 break;
248fc619 2089 }
50f20cfd 2090
e02d1cf7 2091 r = sd_journal_wait(j, (uint64_t) -1);
50f20cfd 2092 if (r < 0) {
da927ba9 2093 log_error_errno(r, "Couldn't wait for journal event: %m");
50f20cfd
LP		 2094 goto finish;
2095 }
67e04a48
ZJS		 2096
2097 first_line = false;
de190aef 2098 }
87d2c1ff
LP		 2099
2100finish:
0d43c694
LP		 2101 pager_close();
2102
a36b8deb
ZJS		 2103 strv_free(arg_file);
2104
3fbf9cbb 2105 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
87d2c1ff 2106}
Unnamed repository; edit this file 'description' to name the repository.