]> 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
journalctl: clean up how we log errors
[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"
3fbf9cbb 40#include "log.h"
7199aa96 41#include "logs-show.h"
72f59706 42#include "util.h"
f8eeeaf9 43#include "acl-util.h"
e5124088 44#include "path-util.h"
68fee104 45#include "fileio.h"
0d43c694
LP		 46#include "build.h"
47#include "pager.h"
a963990f 48#include "strv.h"
ea18a4b5 49#include "set.h"
2cf4172a 50#include "sigbus.h"
dca6219e 51#include "journal-internal.h"
7560fffc 52#include "journal-def.h"
0284adc6 53#include "journal-verify.h"
f6a971bc 54#include "journal-qrcode.h"
dbd2a83f 55#include "journal-vacuum.h"
4da416aa 56#include "fsprg.h"
c3f60ec5 57#include "unit-name.h"
d4205751 58#include "catalog.h"
74055aa7
LP		 59#include "mkdir.h"
60#include "bus-util.h"
61#include "bus-error.h"
288a74cc 62#include "terminal-util.h"
958b66ea 63#include "hostname-util.h"
7560fffc 64
baed47c3 65#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
250d54b5 66
97e1cc8b
LP		 67enum {
68 /* Special values for arg_lines */
69 ARG_LINES_DEFAULT = -2,
70 ARG_LINES_ALL = -1,
71};
72
df50185b 73static OutputMode arg_output = OUTPUT_SHORT;
9fd29044 74static bool arg_utc = false;
1b12a7b5 75static bool arg_pager_end = false;
72f59706 76static bool arg_follow = false;
2b8f6883 77static bool arg_full = true;
cd4b13e0 78static bool arg_all = false;
0d43c694 79static bool arg_no_pager = false;
97e1cc8b 80static int arg_lines = ARG_LINES_DEFAULT;
e91af489 81static bool arg_no_tail = false;
43673799 82static bool arg_quiet = false;
9e8a535f 83static bool arg_merge = false;
d121b396 84static bool arg_boot = false;
442e2def
LP		 85static sd_id128_t arg_boot_id = {};
86static int arg_boot_offset = 0;
99271804 87static bool arg_dmesg = false;
8f14c832 88static const char *arg_cursor = NULL;
248fc619
ZJS		 89static const char *arg_after_cursor = NULL;
90static bool arg_show_cursor = false;
a963990f 91static const char *arg_directory = NULL;
8d98da3f 92static char **arg_file = NULL;
941e990d 93static int arg_priorities = 0xFF;
baed47c3 94static const char *arg_verify_key = NULL;
feb12d3e 95#ifdef HAVE_GCRYPT
baed47c3 96static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
b8547c10 97static bool arg_force = false;
feb12d3e 98#endif
cfbc22ab
LP		 99static usec_t arg_since, arg_until;
100static bool arg_since_set = false, arg_until_set = false;
73083640 101static char **arg_syslog_identifier = NULL;
b9e40524
HH		 102static char **arg_system_units = NULL;
103static char **arg_user_units = NULL;
3c1668da 104static const char *arg_field = NULL;
d4205751 105static bool arg_catalog = false;
d89d6c86 106static bool arg_reverse = false;
3f3a438f 107static int arg_journal_type = 0;
13cbf3a5 108static const char *arg_root = NULL;
b6741478 109static const char *arg_machine = NULL;
dbd2a83f
LP		 110static off_t arg_vacuum_size = (off_t) -1;
111static usec_t arg_vacuum_time = USEC_INFINITY;
50f20cfd 112
7560fffc
LP		 113static enum {
114 ACTION_SHOW,
115 ACTION_NEW_ID128,
116 ACTION_PRINT_HEADER,
beec0085 117 ACTION_SETUP_KEYS,
a1a03e30
LP		 118 ACTION_VERIFY,
119 ACTION_DISK_USAGE,
d4205751 120 ACTION_LIST_CATALOG,
54b7254c 121 ACTION_DUMP_CATALOG,
f1188074
ZJS		 122 ACTION_UPDATE_CATALOG,
123 ACTION_LIST_BOOTS,
74055aa7 124 ACTION_FLUSH,
dbd2a83f 125 ACTION_VACUUM,
7560fffc
LP		 126} arg_action = ACTION_SHOW;
127
45bc27b6 128typedef struct BootId {
a331b5e6 129 sd_id128_t id;
f1188074
ZJS		 130 uint64_t first;
131 uint64_t last;
45bc27b6
LP		 132 LIST_FIELDS(struct BootId, boot_list);
133} BootId;
a331b5e6 134
faf5077f
DH		 135static void pager_open_if_enabled(void) {
136
137 if (arg_no_pager)
138 return;
139
140 pager_open(arg_pager_end);
141}
142
5ab99e07
LP		 143static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) {
144
145 if (arg_utc)
146 return format_timestamp_utc(buf, l, t);
147
148 return format_timestamp(buf, l, t);
149}
150
442e2def
LP		 151static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) {
152 sd_id128_t id = SD_ID128_NULL;
153 int off = 0, r;
154
155 if (strlen(x) >= 32) {
156 char *t;
157
158 t = strndupa(x, 32);
159 r = sd_id128_from_string(t, &id);
160 if (r >= 0)
161 x += 32;
162
163 if (*x != '-' && *x != '+' && *x != 0)
164 return -EINVAL;
165
166 if (*x != 0) {
167 r = safe_atoi(x, &off);
168 if (r < 0)
169 return r;
170 }
171 } else {
172 r = safe_atoi(x, &off);
173 if (r < 0)
174 return r;
175 }
176
177 if (boot_id)
178 *boot_id = id;
179
180 if (offset)
181 *offset = off;
182
183 return 0;
184}
185
601185b4 186static void help(void) {
0d43c694 187
faf5077f
DH		 188 pager_open_if_enabled();
189
cd4b13e0 190 printf("%s [OPTIONS...] [MATCHES...]\n\n"
15119c16
LP		 191 "Query the journal.\n\n"
192 "Flags:\n"
eacbb4d3
ZJS		 193 " --system Show the system journal\n"
194 " --user Show the user journal for the current user\n"
b6741478 195 " -M --machine=CONTAINER Operate on local container\n"
40f0b71b
ZJS		 196 " --since=DATE Show entries not older than the specified date\n"
197 " --until=DATE Show entries not newer than the specified date\n"
198 " -c --cursor=CURSOR Show entries starting at the specified cursor\n"
199 " --after-cursor=CURSOR Show entries after the specified cursor\n"
248fc619 200 " --show-cursor Print the cursor after all the entries\n"
40f0b71b 201 " -b --boot[=ID] Show current boot or the specified boot\n"
f1188074 202 " --list-boots Show terse information about recorded boots\n"
c736283b 203 " -k --dmesg Show kernel message log from the current boot\n"
40f0b71b
ZJS		 204 " -u --unit=UNIT Show logs from the specified unit\n"
205 " --user-unit=UNIT Show logs from the specified user unit\n"
206 " -t --identifier=STRING Show entries with the specified syslog identifier\n"
207 " -p --priority=RANGE Show entries with the specified priority\n"
208 " -e --pager-end Immediately jump to the end in the pager\n"
c736283b 209 " -f --follow Follow the journal\n"
248fc619
ZJS		 210 " -n --lines[=INTEGER] Number of journal entries to show\n"
211 " --no-tail Show all lines, even in follow mode\n"
212 " -r --reverse Show the newest entries first\n"
f02d8367 213 " -o --output=STRING Change journal output mode (short, short-iso,\n"
c736283b
JSJ		 214 " short-precise, short-monotonic, verbose,\n"
215 " export, json, json-pretty, json-sse, cat)\n"
9fd29044 216 " --utc Express time in Coordinated Universal Time (UTC)\n"
248fc619 217 " -x --catalog Add message explanations where available\n"
2b8f6883 218 " --no-full Ellipsize fields\n"
248fc619 219 " -a --all Show all fields, including long and unprintable\n"
c736283b 220 " -q --quiet Do not show privilege warning\n"
248fc619
ZJS		 221 " --no-pager Do not pipe output into a pager\n"
222 " -m --merge Show entries from all available journals\n"
223 " -D --directory=PATH Show journal files from directory\n"
224 " --file=PATH Show journal file\n"
225 " --root=ROOT Operate on catalog files underneath the root ROOT\n"
15119c16 226#ifdef HAVE_GCRYPT
248fc619
ZJS		 227 " --interval=TIME Time interval for changing the FSS sealing key\n"
228 " --verify-key=KEY Specify FSS verification key\n"
40f0b71b 229 " --force Override of the FSS key pair with --setup-keys\n"
15119c16
LP		 230#endif
231 "\nCommands:\n"
c736283b 232 " -h --help Show this help text\n"
248fc619 233 " --version Show package version\n"
dbd2a83f 234 " -F --field=FIELD List all values that a specified field takes\n"
c736283b 235 " --new-id128 Generate a new 128-bit ID\n"
c736283b 236 " --disk-usage Show total disk usage of all journal files\n"
40f0b71b
ZJS		 237 " --vacuum-size=BYTES Reduce disk usage below specified size\n"
238 " --vacuum-time=TIME Remove journal files older than specified date\n"
dbd2a83f
LP		 239 " --flush Flush all journal data from /run into /var\n"
240 " --header Show journal header information\n"
40f0b71b 241 " --list-catalog Show all message IDs in the catalog\n"
248fc619
ZJS		 242 " --dump-catalog Show entries in the message catalog\n"
243 " --update-catalog Update the message catalog database\n"
feb12d3e 244#ifdef HAVE_GCRYPT
c736283b 245 " --setup-keys Generate a new FSS key pair\n"
248fc619 246 " --verify Verify journal file consistency\n"
feb12d3e
LP		 247#endif
248 , program_invocation_short_name);
0d43c694
LP		 249}
250
251static int parse_argv(int argc, char *argv[]) {
252
253 enum {
254 ARG_VERSION = 0x100,
e91af489 255 ARG_NO_PAGER,
2b8f6883 256 ARG_NO_FULL,
55ee336c 257 ARG_NO_TAIL,
dca6219e 258 ARG_NEW_ID128,
f1188074 259 ARG_LIST_BOOTS,
3f3a438f
ZJS		 260 ARG_USER,
261 ARG_SYSTEM,
13cbf3a5 262 ARG_ROOT,
7560fffc 263 ARG_HEADER,
beec0085 264 ARG_SETUP_KEYS,
8d98da3f 265 ARG_FILE,
baed47c3 266 ARG_INTERVAL,
4da416aa 267 ARG_VERIFY,
a1a03e30 268 ARG_VERIFY_KEY,
cfbc22ab
LP		 269 ARG_DISK_USAGE,
270 ARG_SINCE,
d4205751 271 ARG_UNTIL,
248fc619
ZJS		 272 ARG_AFTER_CURSOR,
273 ARG_SHOW_CURSOR,
ffa7cd15 274 ARG_USER_UNIT,
d4205751 275 ARG_LIST_CATALOG,
54b7254c 276 ARG_DUMP_CATALOG,
3f3a438f 277 ARG_UPDATE_CATALOG,
b8547c10 278 ARG_FORCE,
9fd29044 279 ARG_UTC,
74055aa7 280 ARG_FLUSH,
dbd2a83f
LP		 281 ARG_VACUUM_SIZE,
282 ARG_VACUUM_TIME,
0d43c694
LP		 283 };
284
285 static const struct option options[] = {
248fc619
ZJS		 286 { "help", no_argument, NULL, 'h' },
287 { "version" , no_argument, NULL, ARG_VERSION },
288 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
289 { "pager-end", no_argument, NULL, 'e' },
290 { "follow", no_argument, NULL, 'f' },
291 { "force", no_argument, NULL, ARG_FORCE },
292 { "output", required_argument, NULL, 'o' },
293 { "all", no_argument, NULL, 'a' },
294 { "full", no_argument, NULL, 'l' },
2b8f6883 295 { "no-full", no_argument, NULL, ARG_NO_FULL },
248fc619
ZJS		 296 { "lines", optional_argument, NULL, 'n' },
297 { "no-tail", no_argument, NULL, ARG_NO_TAIL },
298 { "new-id128", no_argument, NULL, ARG_NEW_ID128 },
299 { "quiet", no_argument, NULL, 'q' },
300 { "merge", no_argument, NULL, 'm' },
301 { "boot", optional_argument, NULL, 'b' },
f1188074 302 { "list-boots", no_argument, NULL, ARG_LIST_BOOTS },
248fc619
ZJS		 303 { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */
304 { "dmesg", no_argument, NULL, 'k' },
305 { "system", no_argument, NULL, ARG_SYSTEM },
306 { "user", no_argument, NULL, ARG_USER },
307 { "directory", required_argument, NULL, 'D' },
308 { "file", required_argument, NULL, ARG_FILE },
309 { "root", required_argument, NULL, ARG_ROOT },
310 { "header", no_argument, NULL, ARG_HEADER },
73083640 311 { "identifier", required_argument, NULL, 't' },
248fc619
ZJS		 312 { "priority", required_argument, NULL, 'p' },
313 { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
314 { "interval", required_argument, NULL, ARG_INTERVAL },
315 { "verify", no_argument, NULL, ARG_VERIFY },
316 { "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
317 { "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
318 { "cursor", required_argument, NULL, 'c' },
319 { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR },
320 { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR },
321 { "since", required_argument, NULL, ARG_SINCE },
322 { "until", required_argument, NULL, ARG_UNTIL },
323 { "unit", required_argument, NULL, 'u' },
324 { "user-unit", required_argument, NULL, ARG_USER_UNIT },
325 { "field", required_argument, NULL, 'F' },
326 { "catalog", no_argument, NULL, 'x' },
327 { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
328 { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
329 { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
330 { "reverse", no_argument, NULL, 'r' },
b6741478 331 { "machine", required_argument, NULL, 'M' },
9fd29044 332 { "utc", no_argument, NULL, ARG_UTC },
74055aa7 333 { "flush", no_argument, NULL, ARG_FLUSH },
dbd2a83f
LP		 334 { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
335 { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
eb9da376 336 {}
0d43c694
LP		 337 };
338
2100675e 339 int c, r;
0d43c694
LP		 340
341 assert(argc >= 0);
342 assert(argv);
343
73083640 344 while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:t:u:F:xrM:", options, NULL)) >= 0)
0d43c694
LP		 345
346 switch (c) {
347
348 case 'h':
601185b4
ZJS		 349 help();
350 return 0;
0d43c694
LP		 351
352 case ARG_VERSION:
353 puts(PACKAGE_STRING);
0d43c694
LP		 354 puts(SYSTEMD_FEATURES);
355 return 0;
356
357 case ARG_NO_PAGER:
358 arg_no_pager = true;
359 break;
360
1b12a7b5
HH		 361 case 'e':
362 arg_pager_end = true;
fe59e38b 363
97e1cc8b 364 if (arg_lines == ARG_LINES_DEFAULT)
fe59e38b
LP		 365 arg_lines = 1000;
366
1b12a7b5
HH		 367 break;
368
0d43c694
LP		 369 case 'f':
370 arg_follow = true;
371 break;
372
373 case 'o':
1705594f 374 arg_output = output_mode_from_string(optarg);
df50185b 375 if (arg_output < 0) {
edfb521a 376 log_error("Unknown output format '%s'.", optarg);
0d43c694
LP		 377 return -EINVAL;
378 }
df50185b 379
edfb521a
ZJS		 380 if (arg_output == OUTPUT_EXPORT ||
381 arg_output == OUTPUT_JSON ||
382 arg_output == OUTPUT_JSON_PRETTY ||
383 arg_output == OUTPUT_JSON_SSE ||
384 arg_output == OUTPUT_CAT)
385 arg_quiet = true;
386
0d43c694
LP		 387 break;
388
98a6e132 389 case 'l':
e3657ecd
ZJS		 390 arg_full = true;
391 break;
392
2b8f6883
ZJS		 393 case ARG_NO_FULL:
394 arg_full = false;
395 break;
396
0d43c694 397 case 'a':
cd4b13e0 398 arg_all = true;
0d43c694
LP		 399 break;
400
2100675e 401 case 'n':
1705594f 402 if (optarg) {
48382487 403 if (streq(optarg, "all"))
97e1cc8b 404 arg_lines = ARG_LINES_ALL;
48382487
JJ		 405 else {
406 r = safe_atoi(optarg, &arg_lines);
407 if (r < 0 || arg_lines < 0) {
408 log_error("Failed to parse lines '%s'", optarg);
409 return -EINVAL;
410 }
1705594f 411 }
96088db0 412 } else {
48382487 413 arg_lines = 10;
96088db0
LP		 414
415 /* Hmm, no argument? Maybe the next
416 * word on the command line is
417 * supposed to be the argument? Let's
418 * see if there is one, and is
48382487
JJ		 419 * parsable. */
420 if (optind < argc) {
421 int n;
422 if (streq(argv[optind], "all")) {
97e1cc8b 423 arg_lines = ARG_LINES_ALL;
48382487
JJ		 424 optind++;
425 } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) {
426 arg_lines = n;
427 optind++;
428 }
429 }
96088db0 430 }
1705594f 431
2100675e
LP		 432 break;
433
e91af489
LP		 434 case ARG_NO_TAIL:
435 arg_no_tail = true;
436 break;
437
39f7f5c1 438 case ARG_NEW_ID128:
7560fffc 439 arg_action = ACTION_NEW_ID128;
55ee336c
LP		 440 break;
441
43673799
LP		 442 case 'q':
443 arg_quiet = true;
490e567d 444 break;
43673799 445
9e8a535f
LP		 446 case 'm':
447 arg_merge = true;
2bd3c38a
LP		 448 break;
449
59cea26a 450 case 'b':
d121b396 451 arg_boot = true;
6cebe83c 452
442e2def 453 if (optarg) {
909dea0c 454 r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
442e2def
LP		 455 if (r < 0) {
456 log_error("Failed to parse boot descriptor '%s'", optarg);
457 return -EINVAL;
458 }
459 } else {
6cebe83c 460
442e2def
LP		 461 /* Hmm, no argument? Maybe the next
462 * word on the command line is
463 * supposed to be the argument? Let's
464 * see if there is one and is parsable
465 * as a boot descriptor... */
466
467 if (optind < argc &&
468 parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset) >= 0)
6cebe83c 469 optind++;
6cebe83c 470 }
d121b396 471
59cea26a
LP		 472 break;
473
f1188074
ZJS		 474 case ARG_LIST_BOOTS:
475 arg_action = ACTION_LIST_BOOTS;
476 break;
477
99271804 478 case 'k':
d121b396 479 arg_boot = arg_dmesg = true;
99271804
ZJS		 480 break;
481
3f3a438f
ZJS		 482 case ARG_SYSTEM:
483 arg_journal_type |= SD_JOURNAL_SYSTEM;
484 break;
485
486 case ARG_USER:
487 arg_journal_type |= SD_JOURNAL_CURRENT_USER;
488 break;
489
b6741478
LP		 490 case 'M':
491 arg_machine = optarg;
492 break;
493
a963990f
LP		 494 case 'D':
495 arg_directory = optarg;
496 break;
497
8d98da3f
ZJS		 498 case ARG_FILE:
499 r = glob_extend(&arg_file, optarg);
23bbb0de
MS		 500 if (r < 0)
501 return log_error_errno(r, "Failed to add paths: %m");
8d98da3f
ZJS		 502 break;
503
13cbf3a5
ZJS		 504 case ARG_ROOT:
505 arg_root = optarg;
506 break;
507
8f14c832
LP		 508 case 'c':
509 arg_cursor = optarg;
510 break;
511
248fc619
ZJS		 512 case ARG_AFTER_CURSOR:
513 arg_after_cursor = optarg;
514 break;
515
516 case ARG_SHOW_CURSOR:
517 arg_show_cursor = true;
518 break;
519
dca6219e 520 case ARG_HEADER:
7560fffc
LP		 521 arg_action = ACTION_PRINT_HEADER;
522 break;
523
feb12d3e
LP		 524 case ARG_VERIFY:
525 arg_action = ACTION_VERIFY;
526 break;
527
a1a03e30
LP		 528 case ARG_DISK_USAGE:
529 arg_action = ACTION_DISK_USAGE;
530 break;
531
dbd2a83f
LP		 532 case ARG_VACUUM_SIZE:
533 r = parse_size(optarg, 1024, &arg_vacuum_size);
534 if (r < 0) {
535 log_error("Failed to parse vacuum size: %s", optarg);
536 return r;
537 }
538
539 arg_action = ACTION_VACUUM;
540 break;
541
542 case ARG_VACUUM_TIME:
543 r = parse_sec(optarg, &arg_vacuum_time);
544 if (r < 0) {
545 log_error("Failed to parse vacuum time: %s", optarg);
546 return r;
547 }
548
549 arg_action = ACTION_VACUUM;
550 break;
551
feb12d3e 552#ifdef HAVE_GCRYPT
b8547c10
SL		 553 case ARG_FORCE:
554 arg_force = true;
555 break;
556
7560fffc
LP		 557 case ARG_SETUP_KEYS:
558 arg_action = ACTION_SETUP_KEYS;
dca6219e
LP		 559 break;
560
beec0085 561
baed47c3 562 case ARG_VERIFY_KEY:
4da416aa 563 arg_action = ACTION_VERIFY;
baed47c3 564 arg_verify_key = optarg;
9e8a535f 565 arg_merge = false;
4da416aa
LP		 566 break;
567
baed47c3 568 case ARG_INTERVAL:
7f602784 569 r = parse_sec(optarg, &arg_interval);
baed47c3
LP		 570 if (r < 0 || arg_interval <= 0) {
571 log_error("Failed to parse sealing key change interval: %s", optarg);
14d10188
LP		 572 return -EINVAL;
573 }
574 break;
feb12d3e
LP		 575#else
576 case ARG_SETUP_KEYS:
577 case ARG_VERIFY_KEY:
578 case ARG_INTERVAL:
b8547c10 579 case ARG_FORCE:
feb12d3e 580 log_error("Forward-secure sealing not available.");
15411c0c 581 return -EOPNOTSUPP;
feb12d3e 582#endif
14d10188 583
941e990d
LP		 584 case 'p': {
585 const char *dots;
586
587 dots = strstr(optarg, "..");
588 if (dots) {
589 char *a;
590 int from, to, i;
591
592 /* a range */
593 a = strndup(optarg, dots - optarg);
594 if (!a)
595 return log_oom();
596
597 from = log_level_from_string(a);
598 to = log_level_from_string(dots + 2);
599 free(a);
600
601 if (from < 0 || to < 0) {
602 log_error("Failed to parse log level range %s", optarg);
603 return -EINVAL;
604 }
605
606 arg_priorities = 0;
607
608 if (from < to) {
609 for (i = from; i <= to; i++)
610 arg_priorities |= 1 << i;
611 } else {
612 for (i = to; i <= from; i++)
613 arg_priorities |= 1 << i;
614 }
615
616 } else {
617 int p, i;
618
619 p = log_level_from_string(optarg);
620 if (p < 0) {
621 log_error("Unknown log level %s", optarg);
622 return -EINVAL;
623 }
624
625 arg_priorities = 0;
626
627 for (i = 0; i <= p; i++)
628 arg_priorities |= 1 << i;
629 }
630
631 break;
632 }
633
cfbc22ab
LP		 634 case ARG_SINCE:
635 r = parse_timestamp(optarg, &arg_since);
636 if (r < 0) {
637 log_error("Failed to parse timestamp: %s", optarg);
638 return -EINVAL;
639 }
640 arg_since_set = true;
641 break;
642
643 case ARG_UNTIL:
644 r = parse_timestamp(optarg, &arg_until);
645 if (r < 0) {
646 log_error("Failed to parse timestamp: %s", optarg);
647 return -EINVAL;
648 }
649 arg_until_set = true;
650 break;
651
73083640
HH		 652 case 't':
653 r = strv_extend(&arg_syslog_identifier, optarg);
654 if (r < 0)
655 return log_oom();
656 break;
657
7199aa96 658 case 'u':
b9e40524
HH		 659 r = strv_extend(&arg_system_units, optarg);
660 if (r < 0)
661 return log_oom();
ffa7cd15
DW		 662 break;
663
7199aa96 664 case ARG_USER_UNIT:
b9e40524
HH		 665 r = strv_extend(&arg_user_units, optarg);
666 if (r < 0)
667 return log_oom();
c3f60ec5
LP		 668 break;
669
15119c16
LP		 670 case 'F':
671 arg_field = optarg;
672 break;
673
d4205751
LP		 674 case 'x':
675 arg_catalog = true;
676 break;
677
678 case ARG_LIST_CATALOG:
679 arg_action = ACTION_LIST_CATALOG;
680 break;
681
54b7254c
ZJS		 682 case ARG_DUMP_CATALOG:
683 arg_action = ACTION_DUMP_CATALOG;
684 break;
685
d4205751
LP		 686 case ARG_UPDATE_CATALOG:
687 arg_action = ACTION_UPDATE_CATALOG;
688 break;
689
d89d6c86
LN		 690 case 'r':
691 arg_reverse = true;
692 break;
693
9fd29044
JS		 694 case ARG_UTC:
695 arg_utc = true;
696 break;
697
74055aa7
LP		 698 case ARG_FLUSH:
699 arg_action = ACTION_FLUSH;
700 break;
701
eb9da376 702 case '?':
0d43c694 703 return -EINVAL;
eb9da376
LP		 704
705 default:
706 assert_not_reached("Unhandled option");
0d43c694 707 }
0d43c694 708
70af7b8a 709 if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT)
e91af489
LP		 710 arg_lines = 10;
711
b6741478
LP		 712 if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
713 log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one.");
8d98da3f
ZJS		 714 return -EINVAL;
715 }
716
3ba09ee8 717 if (arg_since_set && arg_until_set && arg_since > arg_until) {
cfbc22ab
LP		 718 log_error("--since= must be before --until=.");
719 return -EINVAL;
720 }
721
248fc619
ZJS		 722 if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) {
723 log_error("Please specify only one of --since=, --cursor=, and --after-cursor.");
cfbc22ab
LP		 724 return -EINVAL;
725 }
726
d89d6c86
LN		 727 if (arg_follow && arg_reverse) {
728 log_error("Please specify either --reverse= or --follow=, not both.");
729 return -EINVAL;
730 }
731
0b6b7c20
ZJS		 732 if (arg_action != ACTION_SHOW && optind < argc) {
733 log_error("Extraneous arguments starting with '%s'", argv[optind]);
734 return -EINVAL;
735 }
736
596a2329
JJ		 737 if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && (arg_file || arg_directory || arg_merge)) {
738 log_error("Using --boot or --list-boots with --file, --directory or --merge is not supported.");
739 return -EINVAL;
740 }
741
0d43c694
LP		 742 return 1;
743}
744
39f7f5c1 745static int generate_new_id128(void) {
55ee336c
LP		 746 sd_id128_t id;
747 int r;
748 unsigned i;
749
750 r = sd_id128_randomize(&id);
23bbb0de
MS		 751 if (r < 0)
752 return log_error_errno(r, "Failed to generate ID: %m");
55ee336c
LP		 753
754 printf("As string:\n"
755 SD_ID128_FORMAT_STR "\n\n"
756 "As UUID:\n"
757 "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n"
758 "As macro:\n"
d489071f 759 "#define MESSAGE_XYZ SD_ID128_MAKE(",
55ee336c
LP		 760 SD_ID128_FORMAT_VAL(id),
761 SD_ID128_FORMAT_VAL(id));
55ee336c
LP		 762 for (i = 0; i < 16; i++)
763 printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
d489071f 764 fputs(")\n\n", stdout);
55ee336c 765
d489071f
ZJS		 766 printf("As Python constant:\n"
767 ">>> import uuid\n"
768 ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n",
769 SD_ID128_FORMAT_VAL(id));
55ee336c
LP		 770
771 return 0;
772}
773
a963990f
LP		 774static int add_matches(sd_journal *j, char **args) {
775 char **i;
4e602943 776 bool have_term = false;
59cea26a 777
a963990f 778 assert(j);
59cea26a 779
a963990f 780 STRV_FOREACH(i, args) {
52aeb63c 781 int r;
59cea26a 782
4e602943
ZJS		 783 if (streq(*i, "+")) {
784 if (!have_term)
785 break;
cbdca852 786 r = sd_journal_add_disjunction(j);
4e602943
ZJS		 787 have_term = false;
788
789 } else if (path_is_absolute(*i)) {
68fee104 790 _cleanup_free_ char *p, *t = NULL, *t2 = NULL;
e5124088 791 const char *path;
68fee104 792 _cleanup_free_ char *interpreter = NULL;
a963990f 793 struct stat st;
e5124088 794
a963990f
LP		 795 p = canonicalize_file_name(*i);
796 path = p ? p : *i;
e5124088 797
26b9f165 798 if (lstat(path, &st) < 0)
4a62c710 799 return log_error_errno(errno, "Couldn't stat file: %m");
e5124088 800
68fee104
ZJS		 801 if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
802 if (executable_is_script(path, &interpreter) > 0) {
803 _cleanup_free_ char *comm;
804
2b6bf07d 805 comm = strndup(basename(path), 15);
68fee104
ZJS		 806 if (!comm)
807 return log_oom();
808
809 t = strappend("_COMM=", comm);
810
811 /* Append _EXE only if the interpreter is not a link.
73e231ab 812 Otherwise, it might be outdated often. */
68fee104
ZJS		 813 if (lstat(interpreter, &st) == 0 &&
814 !S_ISLNK(st.st_mode)) {
815 t2 = strappend("_EXE=", interpreter);
816 if (!t2)
817 return log_oom();
818 }
819 } else
820 t = strappend("_EXE=", path);
b56d608e
LP		 821 } else if (S_ISCHR(st.st_mode))
822 (void) asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
823 else if (S_ISBLK(st.st_mode))
824 (void) asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
825 else {
fb93cf73 826 log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
a963990f 827 return -EINVAL;
50940700 828 }
e5124088 829
b6a34514
LP		 830 if (!t)
831 return log_oom();
832
833 r = sd_journal_add_match(j, t, 0);
68fee104
ZJS		 834 if (t2)
835 r = sd_journal_add_match(j, t2, 0);
4e602943
ZJS		 836 have_term = true;
837
838 } else {
cbdca852 839 r = sd_journal_add_match(j, *i, 0);
4e602943
ZJS		 840 have_term = true;
841 }
e5124088 842
23bbb0de
MS		 843 if (r < 0)
844 return log_error_errno(r, "Failed to add match '%s': %m", *i);
de7b95cd
LP		 845 }
846
4e602943
ZJS		 847 if (!strv_isempty(args) && !have_term) {
848 log_error("\"+\" can only be used between terms");
849 return -EINVAL;
850 }
851
a963990f
LP		 852 return 0;
853}
854
45bc27b6
LP		 855static int discover_next_boot(
856 sd_journal *j,
857 BootId **boot,
858 bool advance_older,
859 bool read_realtime) {
860
f1188074 861 int r;
596a2329 862 char match[9+32+1] = "_BOOT_ID=";
45bc27b6 863 _cleanup_free_ BootId *next_boot = NULL;
ea7061e4
JJ		 864
865 assert(j);
596a2329
JJ		 866 assert(boot);
867
868 /* We expect the journal to be on the last position of a boot
869 * (in relation to the direction we are going), so that the next
870 * invocation of sd_journal_next/previous will be from a different
871 * boot. We then collect any information we desire and then jump
872 * to the last location of the new boot by using a _BOOT_ID match
873 * coming from the other journal direction. */
874
875 /* Make sure we aren't restricted by any _BOOT_ID matches, so that
876 * we can actually advance to a *different* boot. */
877 sd_journal_flush_matches(j);
878
879 if (advance_older)
880 r = sd_journal_previous(j);
881 else
882 r = sd_journal_next(j);
883 if (r < 0)
884 return r;
885 else if (r == 0)
886 return 0; /* End of journal, yay. */
887
45bc27b6 888 next_boot = new0(BootId, 1);
596a2329 889 if (!next_boot)
b56d608e 890 return -ENOMEM;
f1188074 891
596a2329 892 r = sd_journal_get_monotonic_usec(j, NULL, &next_boot->id);
f1188074
ZJS		 893 if (r < 0)
894 return r;
895
596a2329
JJ		 896 if (read_realtime) {
897 r = sd_journal_get_realtime_usec(j, &next_boot->first);
898 if (r < 0)
899 return r;
900 }
ea7061e4 901
596a2329
JJ		 902 /* Now seek to the last occurrence of this boot ID. */
903 sd_id128_to_string(next_boot->id, match + 9);
904 r = sd_journal_add_match(j, match, sizeof(match) - 1);
905 if (r < 0)
906 return r;
f1188074 907
596a2329
JJ		 908 if (advance_older)
909 r = sd_journal_seek_head(j);
910 else
911 r = sd_journal_seek_tail(j);
912 if (r < 0)
913 return r;
f1188074 914
596a2329
JJ		 915 if (advance_older)
916 r = sd_journal_next(j);
917 else
918 r = sd_journal_previous(j);
919 if (r < 0)
920 return r;
921 else if (r == 0)
922 return -ENODATA; /* This shouldn't happen. We just came from this very boot ID. */
f1188074 923
596a2329
JJ		 924 if (read_realtime) {
925 r = sd_journal_get_realtime_usec(j, &next_boot->last);
f1188074 926 if (r < 0)
596a2329
JJ		 927 return r;
928 }
929
930 *boot = next_boot;
931 next_boot = NULL;
932 return 0;
933}
934
45bc27b6
LP		 935static int get_boots(
936 sd_journal *j,
937 BootId **boots,
938 BootId *query_ref_boot,
939 int ref_boot_offset) {
940
596a2329
JJ		 941 bool skip_once;
942 int r, count = 0;
45bc27b6 943 BootId *head = NULL, *tail = NULL;
596a2329
JJ		 944 const bool advance_older = query_ref_boot && ref_boot_offset <= 0;
945
946 assert(j);
f1188074 947
596a2329
JJ		 948 /* Adjust for the asymmetry that offset 0 is
949 * the last (and current) boot, while 1 is considered the
950 * (chronological) first boot in the journal. */
951 skip_once = query_ref_boot && sd_id128_is_null(query_ref_boot->id) && ref_boot_offset < 0;
952
953 /* Advance to the earliest/latest occurrence of our reference
954 * boot ID (taking our lookup direction into account), so that
955 * discover_next_boot() can do its job.
956 * If no reference is given, the journal head/tail will do,
957 * they're "virtual" boots after all. */
958 if (query_ref_boot && !sd_id128_is_null(query_ref_boot->id)) {
959 char match[9+32+1] = "_BOOT_ID=";
960
961 sd_journal_flush_matches(j);
962
963 sd_id128_to_string(query_ref_boot->id, match + 9);
964 r = sd_journal_add_match(j, match, sizeof(match) - 1);
f1188074
ZJS		 965 if (r < 0)
966 return r;
967
596a2329
JJ		 968 if (advance_older)
969 r = sd_journal_seek_head(j);
970 else
971 r = sd_journal_seek_tail(j);
f1188074
ZJS		 972 if (r < 0)
973 return r;
974
596a2329
JJ		 975 if (advance_older)
976 r = sd_journal_next(j);
977 else
978 r = sd_journal_previous(j);
f1188074
ZJS		 979 if (r < 0)
980 return r;
981 else if (r == 0)
596a2329
JJ		 982 goto finish;
983 else if (ref_boot_offset == 0) {
984 count = 1;
985 goto finish;
986 }
987 } else {
988 if (advance_older)
989 r = sd_journal_seek_tail(j);
990 else
991 r = sd_journal_seek_head(j);
f1188074
ZJS		 992 if (r < 0)
993 return r;
994
596a2329
JJ		 995 /* No sd_journal_next/previous here. */
996 }
f1188074 997
45bc27b6
LP		 998 for (;;) {
999 _cleanup_free_ BootId *current = NULL;
f1188074 1000
596a2329
JJ		 1001 r = discover_next_boot(j, &current, advance_older, !query_ref_boot);
1002 if (r < 0) {
45bc27b6 1003 BootId *id, *id_next;
596a2329
JJ		 1004 LIST_FOREACH_SAFE(boot_list, id, id_next, head)
1005 free(id);
1006 return r;
ea7061e4 1007 }
f1188074 1008
596a2329
JJ		 1009 if (!current)
1010 break;
1011
1012 if (query_ref_boot) {
1013 if (!skip_once)
1014 ref_boot_offset += advance_older ? 1 : -1;
1015 skip_once = false;
1016
1017 if (ref_boot_offset == 0) {
1018 count = 1;
1019 query_ref_boot->id = current->id;
1020 break;
1021 }
1022 } else {
1023 LIST_INSERT_AFTER(boot_list, head, tail, current);
1024 tail = current;
1025 current = NULL;
1026 count++;
1027 }
f1188074
ZJS		 1028 }
1029
596a2329
JJ		 1030finish:
1031 if (boots)
1032 *boots = head;
1033
1034 sd_journal_flush_matches(j);
1035
1036 return count;
ea7061e4
JJ		 1037}
1038
1039static int list_boots(sd_journal *j) {
596a2329 1040 int w, i, count;
45bc27b6 1041 BootId *id, *id_next, *all_ids;
ea7061e4
JJ		 1042
1043 assert(j);
1044
596a2329 1045 count = get_boots(j, &all_ids, NULL, 0);
b56d608e
LP		 1046 if (count < 0)
1047 return log_error_errno(count, "Failed to determine boots: %m");
1048 if (count == 0)
596a2329 1049 return count;
ea7061e4
JJ		 1050
1051 pager_open_if_enabled();
f1188074
ZJS		 1052
1053 /* numbers are one less, but we need an extra char for the sign */
1054 w = DECIMAL_STR_WIDTH(count - 1) + 1;
1055
596a2329
JJ		 1056 i = 0;
1057 LIST_FOREACH_SAFE(boot_list, id, id_next, all_ids) {
f1188074
ZJS		 1058 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
1059
1060 printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
1061 w, i - count + 1,
1062 SD_ID128_FORMAT_VAL(id->id),
5ab99e07
LP		 1063 format_timestamp_maybe_utc(a, sizeof(a), id->first),
1064 format_timestamp_maybe_utc(b, sizeof(b), id->last));
596a2329
JJ		 1065 i++;
1066 free(id);
d121b396 1067 }
a963990f 1068
a331b5e6
JJ		 1069 return 0;
1070}
1071
1072static int add_boot(sd_journal *j) {
1073 char match[9+32+1] = "_BOOT_ID=";
442e2def 1074 int r;
45bc27b6 1075 BootId ref_boot_id = {};
a331b5e6
JJ		 1076
1077 assert(j);
1078
d121b396 1079 if (!arg_boot)
a331b5e6
JJ		 1080 return 0;
1081
442e2def 1082 if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
b6741478 1083 return add_match_this_boot(j, arg_machine);
a331b5e6 1084
596a2329
JJ		 1085 ref_boot_id.id = arg_boot_id;
1086 r = get_boots(j, NULL, &ref_boot_id, arg_boot_offset);
1087 assert(r <= 1);
1088 if (r <= 0) {
1089 const char *reason = (r == 0) ? "No such boot ID in journal" : strerror(-r);
1090
1091 if (sd_id128_is_null(arg_boot_id))
1092 log_error("Failed to look up boot %+i: %s", arg_boot_offset, reason);
d121b396 1093 else
442e2def 1094 log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s",
596a2329
JJ		 1095 SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, reason);
1096
1097 return r == 0 ? -ENODATA : r;
a331b5e6
JJ		 1098 }
1099
596a2329 1100 sd_id128_to_string(ref_boot_id.id, match + 9);
d121b396
ZJS		 1101
1102 r = sd_journal_add_match(j, match, sizeof(match) - 1);
23bbb0de
MS		 1103 if (r < 0)
1104 return log_error_errno(r, "Failed to add match: %m");
a331b5e6
JJ		 1105
1106 r = sd_journal_add_conjunction(j);
1107 if (r < 0)
b56d608e 1108 return log_error_errno(r, "Failed to add conjunction: %m");
a331b5e6
JJ		 1109
1110 return 0;
a963990f
LP		 1111}
1112
99271804
ZJS		 1113static int add_dmesg(sd_journal *j) {
1114 int r;
1115 assert(j);
1116
1117 if (!arg_dmesg)
1118 return 0;
1119
1120 r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel"));
23bbb0de
MS		 1121 if (r < 0)
1122 return log_error_errno(r, "Failed to add match: %m");
99271804
ZJS		 1123
1124 r = sd_journal_add_conjunction(j);
1125 if (r < 0)
b56d608e 1126 return log_error_errno(r, "Failed to add conjunction: %m");
99271804
ZJS		 1127
1128 return 0;
1129}
1130
b56d608e
LP		 1131static int get_possible_units(
1132 sd_journal *j,
1133 const char *fields,
1134 char **patterns,
1135 Set **units) {
1136
ea18a4b5
ZJS		 1137 _cleanup_set_free_free_ Set *found;
1138 const char *field;
c3f60ec5 1139 int r;
ea18a4b5 1140
d5099efc 1141 found = set_new(&string_hash_ops);
ea18a4b5 1142 if (!found)
b56d608e 1143 return -ENOMEM;
ea18a4b5
ZJS		 1144
1145 NULSTR_FOREACH(field, fields) {
1146 const void *data;
1147 size_t size;
1148
1149 r = sd_journal_query_unique(j, field);
1150 if (r < 0)
1151 return r;
1152
1153 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1154 char **pattern, *eq;
1155 size_t prefix;
1156 _cleanup_free_ char *u = NULL;
1157
1158 eq = memchr(data, '=', size);
1159 if (eq)
1160 prefix = eq - (char*) data + 1;
1161 else
1162 prefix = 0;
1163
1164 u = strndup((char*) data + prefix, size - prefix);
1165 if (!u)
b56d608e 1166 return -ENOMEM;
ea18a4b5
ZJS		 1167
1168 STRV_FOREACH(pattern, patterns)
1169 if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
1170 log_debug("Matched %s with pattern %s=%s", u, field, *pattern);
1171
1172 r = set_consume(found, u);
1173 u = NULL;
1174 if (r < 0 && r != -EEXIST)
1175 return r;
1176
1177 break;
1178 }
1179 }
1180 }
1181
1182 *units = found;
1183 found = NULL;
1184 return 0;
1185}
1186
1187/* This list is supposed to return the superset of unit names
1188 * possibly matched by rules added with add_matches_for_unit... */
1189#define SYSTEM_UNITS \
1190 "_SYSTEMD_UNIT\0" \
1191 "COREDUMP_UNIT\0" \
1192 "UNIT\0" \
1193 "OBJECT_SYSTEMD_UNIT\0" \
1194 "_SYSTEMD_SLICE\0"
1195
1196/* ... and add_matches_for_user_unit */
1197#define USER_UNITS \
1198 "_SYSTEMD_USER_UNIT\0" \
1199 "USER_UNIT\0" \
1200 "COREDUMP_USER_UNIT\0" \
1201 "OBJECT_SYSTEMD_USER_UNIT\0"
1202
1203static int add_units(sd_journal *j) {
1204 _cleanup_strv_free_ char **patterns = NULL;
1205 int r, count = 0;
b9e40524 1206 char **i;
c3f60ec5
LP		 1207
1208 assert(j);
1209
b9e40524 1210 STRV_FOREACH(i, arg_system_units) {
ea18a4b5
ZJS		 1211 _cleanup_free_ char *u = NULL;
1212
7410616c
LP		 1213 r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
1214 if (r < 0)
1215 return r;
ea18a4b5
ZJS		 1216
1217 if (string_is_glob(u)) {
1218 r = strv_push(&patterns, u);
1219 if (r < 0)
1220 return r;
1221 u = NULL;
1222 } else {
1223 r = add_matches_for_unit(j, u);
1224 if (r < 0)
1225 return r;
1226 r = sd_journal_add_disjunction(j);
1227 if (r < 0)
1228 return r;
1229 count ++;
1230 }
1231 }
1232
1233 if (!strv_isempty(patterns)) {
1234 _cleanup_set_free_free_ Set *units = NULL;
1235 Iterator it;
1236 char *u;
1237
1238 r = get_possible_units(j, SYSTEM_UNITS, patterns, &units);
b9e40524
HH		 1239 if (r < 0)
1240 return r;
ea18a4b5
ZJS		 1241
1242 SET_FOREACH(u, units, it) {
1243 r = add_matches_for_unit(j, u);
1244 if (r < 0)
1245 return r;
1246 r = sd_journal_add_disjunction(j);
1247 if (r < 0)
1248 return r;
1249 count ++;
1250 }
b9e40524 1251 }
c3f60ec5 1252
ea18a4b5
ZJS		 1253 strv_free(patterns);
1254 patterns = NULL;
1255
b9e40524 1256 STRV_FOREACH(i, arg_user_units) {
ea18a4b5
ZJS		 1257 _cleanup_free_ char *u = NULL;
1258
7410616c
LP		 1259 r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
1260 if (r < 0)
1261 return r;
c3f60ec5 1262
ea18a4b5
ZJS		 1263 if (string_is_glob(u)) {
1264 r = strv_push(&patterns, u);
1265 if (r < 0)
1266 return r;
1267 u = NULL;
1268 } else {
1269 r = add_matches_for_user_unit(j, u, getuid());
1270 if (r < 0)
1271 return r;
1272 r = sd_journal_add_disjunction(j);
1273 if (r < 0)
1274 return r;
1275 count ++;
1276 }
1277 }
1278
1279 if (!strv_isempty(patterns)) {
1280 _cleanup_set_free_free_ Set *units = NULL;
1281 Iterator it;
1282 char *u;
b9e40524 1283
ea18a4b5 1284 r = get_possible_units(j, USER_UNITS, patterns, &units);
b9e40524
HH		 1285 if (r < 0)
1286 return r;
1287
ea18a4b5
ZJS		 1288 SET_FOREACH(u, units, it) {
1289 r = add_matches_for_user_unit(j, u, getuid());
1290 if (r < 0)
1291 return r;
1292 r = sd_journal_add_disjunction(j);
1293 if (r < 0)
1294 return r;
1295 count ++;
1296 }
b9e40524 1297 }
c3f60ec5 1298
ea18a4b5
ZJS		 1299 /* Complain if the user request matches but nothing whatsoever was
1300 * found, since otherwise everything would be matched. */
1301 if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0)
1302 return -ENODATA;
1303
cd34b3c6
HH		 1304 r = sd_journal_add_conjunction(j);
1305 if (r < 0)
1306 return r;
1307
c3f60ec5
LP		 1308 return 0;
1309}
1310
941e990d
LP		 1311static int add_priorities(sd_journal *j) {
1312 char match[] = "PRIORITY=0";
1313 int i, r;
941e990d
LP		 1314 assert(j);
1315
1316 if (arg_priorities == 0xFF)
1317 return 0;
1318
1319 for (i = LOG_EMERG; i <= LOG_DEBUG; i++)
1320 if (arg_priorities & (1 << i)) {
1321 match[sizeof(match)-2] = '0' + i;
1322
941e990d 1323 r = sd_journal_add_match(j, match, strlen(match));
23bbb0de
MS		 1324 if (r < 0)
1325 return log_error_errno(r, "Failed to add match: %m");
941e990d
LP		 1326 }
1327
cd34b3c6
HH		 1328 r = sd_journal_add_conjunction(j);
1329 if (r < 0)
b56d608e 1330 return log_error_errno(r, "Failed to add conjunction: %m");
cd34b3c6 1331
941e990d
LP		 1332 return 0;
1333}
1334
73083640
HH		 1335
1336static int add_syslog_identifier(sd_journal *j) {
1337 int r;
1338 char **i;
1339
1340 assert(j);
1341
1342 STRV_FOREACH(i, arg_syslog_identifier) {
1343 char *u;
1344
63c372cb 1345 u = strjoina("SYSLOG_IDENTIFIER=", *i);
73083640
HH		 1346 r = sd_journal_add_match(j, u, 0);
1347 if (r < 0)
1348 return r;
1349 r = sd_journal_add_disjunction(j);
1350 if (r < 0)
1351 return r;
1352 }
1353
1354 r = sd_journal_add_conjunction(j);
1355 if (r < 0)
1356 return r;
1357
1358 return 0;
1359}
1360
7560fffc
LP		 1361static int setup_keys(void) {
1362#ifdef HAVE_GCRYPT
1363 size_t mpk_size, seed_size, state_size, i;
1364 uint8_t *mpk, *seed, *state;
11689d2a 1365 int fd = -1, r;
7560fffc
LP		 1366 sd_id128_t machine, boot;
1367 char *p = NULL, *k = NULL;
baed47c3 1368 struct FSSHeader h;
14d10188 1369 uint64_t n;
b98e3866
SL		 1370 struct stat st;
1371
1372 r = stat("/var/log/journal", &st);
4a62c710
MS		 1373 if (r < 0 && errno != ENOENT && errno != ENOTDIR)
1374 return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal");
b98e3866
SL		 1375
1376 if (r < 0 || !S_ISDIR(st.st_mode)) {
1377 log_error("%s is not a directory, must be using persistent logging for FSS.",
1378 "/var/log/journal");
1379 return r < 0 ? -errno : -ENOTDIR;
1380 }
7560fffc
LP		 1381
1382 r = sd_id128_get_machine(&machine);
23bbb0de
MS		 1383 if (r < 0)
1384 return log_error_errno(r, "Failed to get machine ID: %m");
7560fffc
LP		 1385
1386 r = sd_id128_get_boot(&boot);
23bbb0de
MS		 1387 if (r < 0)
1388 return log_error_errno(r, "Failed to get boot ID: %m");
7560fffc 1389
baed47c3 1390 if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
7560fffc
LP		 1391 SD_ID128_FORMAT_VAL(machine)) < 0)
1392 return log_oom();
1393
faf9da01
ZJS		 1394 if (arg_force) {
1395 r = unlink(p);
1396 if (r < 0 && errno != ENOENT) {
1397 r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
b8547c10
SL		 1398 goto finish;
1399 }
faf9da01
ZJS		 1400 } else if (access(p, F_OK) >= 0) {
1401 log_error("Sealing key file %s exists already. Use --force to recreate.", p);
1402 r = -EEXIST;
1403 goto finish;
7560fffc
LP		 1404 }
1405
baed47c3 1406 if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
7560fffc
LP		 1407 SD_ID128_FORMAT_VAL(machine)) < 0) {
1408 r = log_oom();
1409 goto finish;
1410 }
1411
1412 mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR);
1413 mpk = alloca(mpk_size);
1414
1415 seed_size = FSPRG_RECOMMENDED_SEEDLEN;
1416 seed = alloca(seed_size);
1417
1418 state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
1419 state = alloca(state_size);
1420
1421 fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
1422 if (fd < 0) {
56f64d95 1423 log_error_errno(errno, "Failed to open /dev/random: %m");
7560fffc
LP		 1424 r = -errno;
1425 goto finish;
1426 }
1427
1428 log_info("Generating seed...");
a6dcc7e5
ZJS		 1429 r = loop_read_exact(fd, seed, seed_size, true);
1430 if (r < 0) {
1431 log_error_errno(r, "Failed to read random seed: %m");
7560fffc
LP		 1432 goto finish;
1433 }
1434
1435 log_info("Generating key pair...");
1436 FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR);
1437
baed47c3 1438 log_info("Generating sealing key...");
7560fffc
LP		 1439 FSPRG_GenState0(state, mpk, seed, seed_size);
1440
baed47c3
LP		 1441 assert(arg_interval > 0);
1442
7560fffc 1443 n = now(CLOCK_REALTIME);
baed47c3 1444 n /= arg_interval;
7560fffc 1445
03e334a1 1446 safe_close(fd);
2d5bdf5b 1447 fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
7560fffc 1448 if (fd < 0) {
56f64d95 1449 log_error_errno(errno, "Failed to open %s: %m", k);
7560fffc
LP		 1450 r = -errno;
1451 goto finish;
1452 }
1453
f982e6f7
LP		 1454 /* Enable secure remove, exclusion from dump, synchronous
1455 * writing and in-place updating */
1ed8f8c1 1456 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);
11689d2a
LP		 1457 if (r < 0)
1458 log_warning_errno(errno, "Failed to set file attributes: %m");
f982e6f7 1459
7560fffc
LP		 1460 zero(h);
1461 memcpy(h.signature, "KSHHRHLP", 8);
1462 h.machine_id = machine;
1463 h.boot_id = boot;
1464 h.header_size = htole64(sizeof(h));
baed47c3
LP		 1465 h.start_usec = htole64(n * arg_interval);
1466 h.interval_usec = htole64(arg_interval);
1467 h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR);
1468 h.fsprg_state_size = htole64(state_size);
7560fffc 1469
553acb7b
ZJS		 1470 r = loop_write(fd, &h, sizeof(h), false);
1471 if (r < 0) {
1472 log_error_errno(r, "Failed to write header: %m");
7560fffc
LP		 1473 goto finish;
1474 }
1475
553acb7b
ZJS		 1476 r = loop_write(fd, state, state_size, false);
1477 if (r < 0) {
1478 log_error_errno(r, "Failed to write state: %m");
7560fffc
LP		 1479 goto finish;
1480 }
1481
1482 if (link(k, p) < 0) {
56f64d95 1483 log_error_errno(errno, "Failed to link file: %m");
7560fffc
LP		 1484 r = -errno;
1485 goto finish;
1486 }
1487
8481248b 1488 if (on_tty()) {
7560fffc
LP		 1489 fprintf(stderr,
1490 "\n"
baed47c3 1491 "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n"
c05276f2
LP		 1492 "the following local file. This key file is automatically updated when the\n"
1493 "sealing key is advanced. It should not be used on multiple hosts.\n"
7560fffc
LP		 1494 "\n"
1495 "\t%s\n"
1496 "\n"
baed47c3
LP		 1497 "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n"
1498 "at a safe location and should not be saved locally on disk.\n"
7560fffc
LP		 1499 "\n\t" ANSI_HIGHLIGHT_RED_ON, p);
1500 fflush(stderr);
1501 }
1502 for (i = 0; i < seed_size; i++) {
1503 if (i > 0 && i % 3 == 0)
1504 putchar('-');
1505 printf("%02x", ((uint8_t*) seed)[i]);
1506 }
1507
baed47c3
LP		 1508 printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval);
1509
8481248b 1510 if (on_tty()) {
f6a971bc 1511 char tsb[FORMAT_TIMESPAN_MAX], *hn;
7560fffc 1512
baed47c3
LP		 1513 fprintf(stderr,
1514 ANSI_HIGHLIGHT_OFF "\n"
1515 "The sealing key is automatically changed every %s.\n",
2fa4092c 1516 format_timespan(tsb, sizeof(tsb), arg_interval, 0));
f6a971bc
LP		 1517
1518 hn = gethostname_malloc();
1519
1520 if (hn) {
e724b063 1521 hostname_cleanup(hn, false);
adac1c93 1522 fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine));
f6a971bc 1523 } else
adac1c93 1524 fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine));
f6a971bc
LP		 1525
1526#ifdef HAVE_QRENCODE
cf5a3432 1527 /* If this is not an UTF-8 system don't print any QR codes */
09017585 1528 if (is_locale_utf8()) {
cf5a3432
LP		 1529 fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr);
1530 print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
1531 }
f6a971bc
LP		 1532#endif
1533 free(hn);
baed47c3 1534 }
7560fffc
LP		 1535
1536 r = 0;
1537
1538finish:
03e334a1 1539 safe_close(fd);
7560fffc
LP		 1540
1541 if (k) {
1542 unlink(k);
1543 free(k);
1544 }
1545
1546 free(p);
1547
1548 return r;
1549#else
feb12d3e 1550 log_error("Forward-secure sealing not available.");
15411c0c 1551 return -EOPNOTSUPP;
7560fffc
LP		 1552#endif
1553}
1554
beec0085
LP		 1555static int verify(sd_journal *j) {
1556 int r = 0;
1557 Iterator i;
1558 JournalFile *f;
1559
1560 assert(j);
1561
cedb42bb
LP		 1562 log_show_color(true);
1563
c1f906bd 1564 ORDERED_HASHMAP_FOREACH(f, j->files, i) {
beec0085 1565 int k;
a7f7d1bd 1566 usec_t first = 0, validated = 0, last = 0;
beec0085 1567
56e81f7c 1568#ifdef HAVE_GCRYPT
feb12d3e 1569 if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
cedb42bb 1570 log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path);
56e81f7c 1571#endif
4da416aa 1572
2a7b539a 1573 k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true);
56e81f7c 1574 if (k == -EINVAL) {
baed47c3 1575 /* If the key was invalid give up right-away. */
56e81f7c
LP		 1576 return k;
1577 } else if (k < 0) {
beec0085 1578 log_warning("FAIL: %s (%s)", f->path, strerror(-k));
56e81f7c 1579 r = k;
6c7be122
LP		 1580 } else {
1581 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX];
beec0085 1582 log_info("PASS: %s", f->path);
6c7be122 1583
c0ca7aee 1584 if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
2a7b539a 1585 if (validated > 0) {
c0ca7aee 1586 log_info("=> Validated from %s to %s, final %s entries not sealed.",
5ab99e07
LP		 1587 format_timestamp_maybe_utc(a, sizeof(a), first),
1588 format_timestamp_maybe_utc(b, sizeof(b), validated),
2fa4092c 1589 format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0));
2a7b539a 1590 } else if (last > 0)
c0ca7aee 1591 log_info("=> No sealing yet, %s of entries not sealed.",
2fa4092c 1592 format_timespan(c, sizeof(c), last - first, 0));
c0ca7aee
LP		 1593 else
1594 log_info("=> No sealing yet, no entries in file.");
1595 }
6c7be122 1596 }
beec0085
LP		 1597 }
1598
1599 return r;
1600}
1601
6fe391c5 1602static int access_check_var_log_journal(sd_journal *j) {
e346512c 1603#ifdef HAVE_ACL
6fe391c5 1604 _cleanup_strv_free_ char **g = NULL;
e346512c
LP		 1605 const char* dir;
1606#endif
6fe391c5
ZJS		 1607 int r;
1608
1609 assert(j);
1610
e346512c
LP		 1611 if (arg_quiet)
1612 return 0;
05c18530 1613
e346512c
LP		 1614 /* If we are root, we should have access, don't warn. */
1615 if (getuid() == 0)
1616 return 0;
05c18530 1617
e346512c
LP		 1618 /* If we are in the 'systemd-journal' group, we should have
1619 * access too. */
1620 r = in_group("systemd-journal");
1621 if (r < 0)
1622 return log_error_errno(r, "Failed to check if we are in the 'systemd-journal' group: %m");
1623 if (r > 0)
1624 return 0;
15804ceb 1625
e346512c
LP		 1626#ifdef HAVE_ACL
1627 if (laccess("/run/log/journal", F_OK) >= 0)
1628 dir = "/run/log/journal";
1629 else
1630 dir = "/var/log/journal";
1631
1632 /* If we are in any of the groups listed in the journal ACLs,
1633 * then all is good, too. Let's enumerate all groups from the
1634 * default ACL of the directory, which generally should allow
1635 * access to most journal files too. */
1636 r = acl_search_groups(dir, &g);
1637 if (r < 0)
1638 return log_error_errno(r, "Failed to search journal ACL: %m");
1639 if (r > 0)
1640 return 0;
4468addc 1641
e346512c
LP		 1642 /* Print a pretty list, if there were ACLs set. */
1643 if (!strv_isempty(g)) {
1644 _cleanup_free_ char *s = NULL;
4468addc 1645
e346512c
LP		 1646 /* Thre are groups in the ACL, let's list them */
1647 r = strv_extend(&g, "systemd-journal");
1648 if (r < 0)
1649 return log_oom();
6fe391c5 1650
e346512c
LP		 1651 strv_sort(g);
1652 strv_uniq(g);
6fe391c5 1653
e346512c
LP		 1654 s = strv_join(g, "', '");
1655 if (!s)
1656 return log_oom();
6fe391c5 1657
e346512c
LP		 1658 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
1659 " Users in groups '%s' can see all messages.\n"
1660 " Pass -q to turn off this notice.", s);
1661 return 1;
6fe391c5 1662 }
e346512c 1663#endif
4468addc 1664
e346512c
LP		 1665 /* If no ACLs were found, print a short version of the message. */
1666 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
1667 " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
1668 " turn off this notice.");
1669
1670 return 1;
6fe391c5 1671}
4468addc 1672
6fe391c5 1673static int access_check(sd_journal *j) {
6fe391c5 1674 Iterator it;
3ac251b8 1675 void *code;
6fe391c5 1676 int r = 0;
4468addc 1677
6fe391c5 1678 assert(j);
4468addc 1679
6fe391c5 1680 if (set_isempty(j->errors)) {
c1f906bd 1681 if (ordered_hashmap_isempty(j->files))
3ac251b8 1682 log_notice("No journal files were found.");
e346512c 1683
6fe391c5
ZJS		 1684 return 0;
1685 }
4468addc 1686
3ac251b8 1687 if (set_contains(j->errors, INT_TO_PTR(-EACCES))) {
e346512c 1688 (void) access_check_var_log_journal(j);
3ac251b8 1689
e346512c
LP		 1690 if (ordered_hashmap_isempty(j->files))
1691 r = log_error_errno(EACCES, "No journal files were opened due to insufficient permissions.");
6fe391c5 1692 }
15804ceb 1693
6fe391c5 1694 SET_FOREACH(code, j->errors, it) {
3ac251b8
LP		 1695 int err;
1696
1697 err = -PTR_TO_INT(code);
6fe391c5 1698 assert(err > 0);
3ac251b8 1699
e346512c
LP		 1700 if (err == EACCES)
1701 continue;
1702
1703 log_warning_errno(err, "Error was encountered while opening journal files: %m");
1704 if (r == 0)
1705 r = -err;
6fe391c5
ZJS		 1706 }
1707
6fe391c5 1708 return r;
15804ceb
LP		 1709}
1710
74055aa7
LP		 1711static int flush_to_var(void) {
1712 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1713 _cleanup_bus_close_unref_ sd_bus *bus = NULL;
1714 _cleanup_close_ int watch_fd = -1;
1715 int r;
1716
1717 /* Quick exit */
1718 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1719 return 0;
1720
1721 /* OK, let's actually do the full logic, send SIGUSR1 to the
1722 * daemon and set up inotify to wait for the flushed file to appear */
1723 r = bus_open_system_systemd(&bus);
23bbb0de
MS		 1724 if (r < 0)
1725 return log_error_errno(r, "Failed to get D-Bus connection: %m");
74055aa7
LP		 1726
1727 r = sd_bus_call_method(
1728 bus,
1729 "org.freedesktop.systemd1",
1730 "/org/freedesktop/systemd1",
1731 "org.freedesktop.systemd1.Manager",
1732 "KillUnit",
1733 &error,
1734 NULL,
1735 "ssi", "systemd-journald.service", "main", SIGUSR1);
1736 if (r < 0) {
1737 log_error("Failed to kill journal service: %s", bus_error_message(&error, r));
1738 return r;
1739 }
1740
1741 mkdir_p("/run/systemd/journal", 0755);
1742
1743 watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
4a62c710
MS		 1744 if (watch_fd < 0)
1745 return log_error_errno(errno, "Failed to create inotify watch: %m");
74055aa7
LP		 1746
1747 r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
4a62c710
MS		 1748 if (r < 0)
1749 return log_error_errno(errno, "Failed to watch journal directory: %m");
74055aa7
LP		 1750
1751 for (;;) {
1752 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1753 break;
1754
4a62c710 1755 if (errno != ENOENT)
f131770b 1756 return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m");
74055aa7
LP		 1757
1758 r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
23bbb0de
MS		 1759 if (r < 0)
1760 return log_error_errno(r, "Failed to wait for event: %m");
74055aa7
LP		 1761
1762 r = flush_fd(watch_fd);
23bbb0de
MS		 1763 if (r < 0)
1764 return log_error_errno(r, "Failed to flush inotify events: %m");
74055aa7
LP		 1765 }
1766
1767 return 0;
1768}
1769
a963990f
LP		 1770int main(int argc, char *argv[]) {
1771 int r;
289f910e 1772 _cleanup_journal_close_ sd_journal *j = NULL;
a963990f 1773 bool need_seek = false;
14a65d65 1774 sd_id128_t previous_boot_id;
67e04a48
ZJS		 1775 bool previous_boot_id_valid = false, first_line = true;
1776 int n_shown = 0;
94e0bd7d 1777 bool ellipsized = false;
a963990f 1778
a9cdc94f 1779 setlocale(LC_ALL, "");
a963990f
LP		 1780 log_parse_environment();
1781 log_open();
1782
1783 r = parse_argv(argc, argv);
1784 if (r <= 0)
1785 goto finish;
1786
ed757c0c 1787 signal(SIGWINCH, columns_lines_cache_reset);
2cf4172a 1788 sigbus_install();
ed757c0c 1789
de45d726
LP		 1790 /* Increase max number of open files to 16K if we can, we
1791 * might needs this when browsing journal files, which might
1792 * be split up into many files. */
1793 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
1794
7560fffc 1795 if (arg_action == ACTION_NEW_ID128) {
a963990f
LP		 1796 r = generate_new_id128();
1797 goto finish;
1798 }
1799
74055aa7
LP		 1800 if (arg_action == ACTION_FLUSH) {
1801 r = flush_to_var();
1802 goto finish;
1803 }
1804
7560fffc
LP		 1805 if (arg_action == ACTION_SETUP_KEYS) {
1806 r = setup_keys();
1807 goto finish;
1808 }
1809
844ec79b
ZJS		 1810 if (arg_action == ACTION_UPDATE_CATALOG ||
1811 arg_action == ACTION_LIST_CATALOG ||
1812 arg_action == ACTION_DUMP_CATALOG) {
1813
0c6ea3a4
ZJS		 1814 _cleanup_free_ char *database;
1815
1816 database = path_join(arg_root, CATALOG_DATABASE, NULL);
1817 if (!database) {
1818 r = log_oom();
1819 goto finish;
13cbf3a5
ZJS		 1820 }
1821
844ec79b 1822 if (arg_action == ACTION_UPDATE_CATALOG) {
13cbf3a5 1823 r = catalog_update(database, arg_root, catalog_file_dirs);
844ec79b 1824 if (r < 0)
da927ba9 1825 log_error_errno(r, "Failed to list catalog: %m");
844ec79b
ZJS		 1826 } else {
1827 bool oneline = arg_action == ACTION_LIST_CATALOG;
1828
1829 if (optind < argc)
13cbf3a5 1830 r = catalog_list_items(stdout, database,
844ec79b
ZJS		 1831 oneline, argv + optind);
1832 else
13cbf3a5 1833 r = catalog_list(stdout, database, oneline);
844ec79b 1834 if (r < 0)
da927ba9 1835 log_error_errno(r, "Failed to list catalog: %m");
844ec79b 1836 }
d4205751 1837
d4205751
LP		 1838 goto finish;
1839 }
1840
a963990f 1841 if (arg_directory)
3f3a438f 1842 r = sd_journal_open_directory(&j, arg_directory, arg_journal_type);
8d98da3f
ZJS		 1843 else if (arg_file)
1844 r = sd_journal_open_files(&j, (const char**) arg_file, 0);
b6741478
LP		 1845 else if (arg_machine)
1846 r = sd_journal_open_container(&j, arg_machine, 0);
a963990f 1847 else
3f3a438f 1848 r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
a963990f 1849 if (r < 0) {
c33b3297
MS		 1850 log_error_errno(r, "Failed to open %s: %m",
1851 arg_directory ? arg_directory : arg_file ? "files" : "journal");
909dea0c 1852 goto finish;
a963990f
LP		 1853 }
1854
6fe391c5
ZJS		 1855 r = access_check(j);
1856 if (r < 0)
909dea0c 1857 goto finish;
6fe391c5 1858
beec0085
LP		 1859 if (arg_action == ACTION_VERIFY) {
1860 r = verify(j);
1861 goto finish;
1862 }
1863
7560fffc 1864 if (arg_action == ACTION_PRINT_HEADER) {
dca6219e 1865 journal_print_header(j);
909dea0c
LP		 1866 r = 0;
1867 goto finish;
dca6219e
LP		 1868 }
1869
a1a03e30 1870 if (arg_action == ACTION_DISK_USAGE) {
39883f62 1871 uint64_t bytes = 0;
a1a03e30
LP		 1872 char sbytes[FORMAT_BYTES_MAX];
1873
1874 r = sd_journal_get_usage(j, &bytes);
1875 if (r < 0)
909dea0c 1876 goto finish;
a1a03e30 1877
dbd2a83f 1878 printf("Archived and active journals take up %s on disk.\n",
763c7aa2 1879 format_bytes(sbytes, sizeof(sbytes), bytes));
909dea0c 1880 goto finish;
a1a03e30
LP		 1881 }
1882
dbd2a83f
LP		 1883 if (arg_action == ACTION_VACUUM) {
1884 Directory *d;
1885 Iterator i;
1886
1887 HASHMAP_FOREACH(d, j->directories_by_path, i) {
1888 int q;
1889
1890 if (d->is_root)
1891 continue;
1892
1893 q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_time, NULL, true);
1894 if (q < 0) {
da927ba9 1895 log_error_errno(q, "Failed to vacuum: %m");
dbd2a83f
LP		 1896 r = q;
1897 }
1898 }
1899
909dea0c 1900 goto finish;
dbd2a83f
LP		 1901 }
1902
f1188074
ZJS		 1903 if (arg_action == ACTION_LIST_BOOTS) {
1904 r = list_boots(j);
1905 goto finish;
1906 }
1907
a331b5e6
JJ		 1908 /* add_boot() must be called first!
1909 * It may need to seek the journal to find parent boot IDs. */
1910 r = add_boot(j);
a963990f 1911 if (r < 0)
909dea0c 1912 goto finish;
a963990f 1913
99271804
ZJS		 1914 r = add_dmesg(j);
1915 if (r < 0)
909dea0c 1916 goto finish;
99271804 1917
b9e40524 1918 r = add_units(j);
ea18a4b5 1919 if (r < 0) {
da927ba9 1920 log_error_errno(r, "Failed to add filter for units: %m");
909dea0c 1921 goto finish;
ea18a4b5 1922 }
c3f60ec5 1923
73083640
HH		 1924 r = add_syslog_identifier(j);
1925 if (r < 0) {
da927ba9 1926 log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
909dea0c 1927 goto finish;
73083640
HH		 1928 }
1929
cd34b3c6 1930 r = add_priorities(j);
b56d608e 1931 if (r < 0)
909dea0c 1932 goto finish;
a963990f 1933
cd34b3c6 1934 r = add_matches(j, argv + optind);
b56d608e 1935 if (r < 0)
909dea0c 1936 goto finish;
941e990d 1937
553d2243 1938 if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
4ad16808
ZJS		 1939 _cleanup_free_ char *filter;
1940
1941 filter = journal_make_match_string(j);
b56d608e
LP		 1942 if (!filter)
1943 return log_oom();
1944
4ad16808
ZJS		 1945 log_debug("Journal filter: %s", filter);
1946 }
67e04a48 1947
15119c16
LP		 1948 if (arg_field) {
1949 const void *data;
1950 size_t size;
1951
21ae4593
ZJS		 1952 r = sd_journal_set_data_threshold(j, 0);
1953 if (r < 0) {
b56d608e 1954 log_error_errno(r, "Failed to unset data size threshold: %m");
909dea0c 1955 goto finish;
21ae4593
ZJS		 1956 }
1957
15119c16
LP		 1958 r = sd_journal_query_unique(j, arg_field);
1959 if (r < 0) {
da927ba9 1960 log_error_errno(r, "Failed to query unique data objects: %m");
909dea0c 1961 goto finish;
15119c16
LP		 1962 }
1963
1964 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1965 const void *eq;
1966
67e04a48 1967 if (arg_lines >= 0 && n_shown >= arg_lines)
fd6e8875
LP		 1968 break;
1969
15119c16
LP		 1970 eq = memchr(data, '=', size);
1971 if (eq)
1972 printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1);
1973 else
1974 printf("%.*s\n", (int) size, (const char*) data);
fd6e8875
LP		 1975
1976 n_shown ++;
15119c16
LP		 1977 }
1978
909dea0c
LP		 1979 r = 0;
1980 goto finish;
15119c16
LP		 1981 }
1982
8d98da3f
ZJS		 1983 /* Opening the fd now means the first sd_journal_wait() will actually wait */
1984 if (arg_follow) {
1985 r = sd_journal_get_fd(j);
b56d608e
LP		 1986 if (r < 0) {
1987 log_error_errno(r, "Failed to get journal fd: %m");
909dea0c 1988 goto finish;
b56d608e 1989 }
8d98da3f
ZJS		 1990 }
1991
248fc619 1992 if (arg_cursor || arg_after_cursor) {
eacbb4d3 1993 r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
08984293 1994 if (r < 0) {
da927ba9 1995 log_error_errno(r, "Failed to seek to cursor: %m");
909dea0c 1996 goto finish;
08984293 1997 }
909dea0c 1998
d89d6c86 1999 if (!arg_reverse)
248fc619 2000 r = sd_journal_next_skip(j, 1 + !!arg_after_cursor);
d89d6c86 2001 else
248fc619
ZJS		 2002 r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
2003
8ee8e536 2004 if (arg_after_cursor && r < 2) {
248fc619 2005 /* We couldn't find the next entry after the cursor. */
8ee8e536
WD		 2006 if (arg_follow)
2007 need_seek = true;
2008 else
2009 arg_lines = 0;
2010 }
08984293 2011
d89d6c86 2012 } else if (arg_since_set && !arg_reverse) {
cfbc22ab 2013 r = sd_journal_seek_realtime_usec(j, arg_since);
8f14c832 2014 if (r < 0) {
da927ba9 2015 log_error_errno(r, "Failed to seek to date: %m");
909dea0c 2016 goto finish;
8f14c832 2017 }
8f14c832
LP		 2018 r = sd_journal_next(j);
2019
d89d6c86
LN		 2020 } else if (arg_until_set && arg_reverse) {
2021 r = sd_journal_seek_realtime_usec(j, arg_until);
2022 if (r < 0) {
da927ba9 2023 log_error_errno(r, "Failed to seek to date: %m");
909dea0c 2024 goto finish;
d89d6c86
LN		 2025 }
2026 r = sd_journal_previous(j);
2027
67e04a48 2028 } else if (arg_lines >= 0) {
2100675e
LP		 2029 r = sd_journal_seek_tail(j);
2030 if (r < 0) {
da927ba9 2031 log_error_errno(r, "Failed to seek to tail: %m");
909dea0c 2032 goto finish;
2100675e
LP		 2033 }
2034
2035 r = sd_journal_previous_skip(j, arg_lines);
8f14c832 2036
d89d6c86
LN		 2037 } else if (arg_reverse) {
2038 r = sd_journal_seek_tail(j);
2039 if (r < 0) {
da927ba9 2040 log_error_errno(r, "Failed to seek to tail: %m");
909dea0c 2041 goto finish;
d89d6c86
LN		 2042 }
2043
2044 r = sd_journal_previous(j);
2045
2100675e
LP		 2046 } else {
2047 r = sd_journal_seek_head(j);
2048 if (r < 0) {
da927ba9 2049 log_error_errno(r, "Failed to seek to head: %m");
909dea0c 2050 goto finish;
2100675e 2051 }
6f003b43
LP		 2052
2053 r = sd_journal_next(j);
2054 }
2055
2056 if (r < 0) {
da927ba9 2057 log_error_errno(r, "Failed to iterate through journal: %m");
909dea0c 2058 goto finish;
50f20cfd 2059 }
87d2c1ff 2060
faf5077f
DH		 2061 if (!arg_follow)
2062 pager_open_if_enabled();
0d43c694 2063
cfbc22ab
LP		 2064 if (!arg_quiet) {
2065 usec_t start, end;
2066 char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
2067
2068 r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
2069 if (r < 0) {
da927ba9 2070 log_error_errno(r, "Failed to get cutoff: %m");
cfbc22ab
LP		 2071 goto finish;
2072 }
2073
2074 if (r > 0) {
2075 if (arg_follow)
9048b11f 2076 printf("-- Logs begin at %s. --\n",
5ab99e07 2077 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start));
cfbc22ab 2078 else
9048b11f 2079 printf("-- Logs begin at %s, end at %s. --\n",
5ab99e07
LP		 2080 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
2081 format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
cfbc22ab
LP		 2082 }
2083 }
2084
50f20cfd 2085 for (;;) {
67e04a48 2086 while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) {
cfbc22ab
LP		 2087 int flags;
2088
6f003b43 2089 if (need_seek) {
99613ec5 2090 if (!arg_reverse)
d89d6c86
LN		 2091 r = sd_journal_next(j);
2092 else
2093 r = sd_journal_previous(j);
6f003b43 2094 if (r < 0) {
da927ba9 2095 log_error_errno(r, "Failed to iterate through journal: %m");
6f003b43
LP		 2096 goto finish;
2097 }
a72b6353
ZJS		 2098 if (r == 0)
2099 break;
0d43c694
LP		 2100 }
2101
d89d6c86 2102 if (arg_until_set && !arg_reverse) {
cfbc22ab
LP		 2103 usec_t usec;
2104
2105 r = sd_journal_get_realtime_usec(j, &usec);
2106 if (r < 0) {
da927ba9 2107 log_error_errno(r, "Failed to determine timestamp: %m");
cfbc22ab
LP		 2108 goto finish;
2109 }
3ba09ee8
PF		 2110 if (usec > arg_until)
2111 goto finish;
cfbc22ab
LP		 2112 }
2113
d89d6c86
LN		 2114 if (arg_since_set && arg_reverse) {
2115 usec_t usec;
2116
2117 r = sd_journal_get_realtime_usec(j, &usec);
2118 if (r < 0) {
da927ba9 2119 log_error_errno(r, "Failed to determine timestamp: %m");
d89d6c86
LN		 2120 goto finish;
2121 }
2122 if (usec < arg_since)
2123 goto finish;
2124 }
2125
4bed2485 2126 if (!arg_merge && !arg_quiet) {
cd931c0a 2127 sd_id128_t boot_id;
14a65d65 2128
cd931c0a
LP		 2129 r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
2130 if (r >= 0) {
2131 if (previous_boot_id_valid &&
2132 !sd_id128_equal(boot_id, previous_boot_id))
0b5a519c
DS		 2133 printf("%s-- Reboot --%s\n",
2134 ansi_highlight(), ansi_highlight_off());
cd931c0a
LP		 2135
2136 previous_boot_id = boot_id;
2137 previous_boot_id_valid = true;
2138 }
14a65d65
LP		 2139 }
2140
cfbc22ab 2141 flags =
cd4b13e0 2142 arg_all * OUTPUT_SHOW_ALL |
2b8f6883 2143 arg_full * OUTPUT_FULL_WIDTH |
d4205751 2144 on_tty() * OUTPUT_COLOR |
9fd29044
JS		 2145 arg_catalog * OUTPUT_CATALOG |
2146 arg_utc * OUTPUT_UTC;
cfbc22ab 2147
94e0bd7d 2148 r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
a72b6353
ZJS		 2149 need_seek = true;
2150 if (r == -EADDRNOTAVAIL)
2151 break;
2152 else if (r < 0 || ferror(stdout))
72f59706 2153 goto finish;
6f003b43 2154
cfbc22ab 2155 n_shown++;
87d2c1ff
LP		 2156 }
2157
248fc619
ZJS		 2158 if (!arg_follow) {
2159 if (arg_show_cursor) {
2160 _cleanup_free_ char *cursor = NULL;
2161
2162 r = sd_journal_get_cursor(j, &cursor);
2163 if (r < 0 && r != -EADDRNOTAVAIL)
da927ba9 2164 log_error_errno(r, "Failed to get cursor: %m");
248fc619
ZJS		 2165 else if (r >= 0)
2166 printf("-- cursor: %s\n", cursor);
2167 }
2168
50f20cfd 2169 break;
248fc619 2170 }
50f20cfd 2171
e02d1cf7 2172 r = sd_journal_wait(j, (uint64_t) -1);
50f20cfd 2173 if (r < 0) {
da927ba9 2174 log_error_errno(r, "Couldn't wait for journal event: %m");
50f20cfd
LP		 2175 goto finish;
2176 }
67e04a48
ZJS		 2177
2178 first_line = false;
de190aef 2179 }
87d2c1ff
LP		 2180
2181finish:
0d43c694
LP		 2182 pager_close();
2183
a36b8deb
ZJS		 2184 strv_free(arg_file);
2185
d52da205
LP		 2186 strv_free(arg_syslog_identifier);
2187 strv_free(arg_system_units);
2188 strv_free(arg_user_units);
2189
3fbf9cbb 2190 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
87d2c1ff 2191}
Unnamed repository; edit this file 'description' to name the repository.