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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
9530e0d0
LP		 855static void boot_id_free_all(BootId *l) {
856
857 while (l) {
858 BootId *i = l;
859 LIST_REMOVE(boot_list, l, i);
860 free(i);
861 }
862}
863
45bc27b6
LP		 864static int discover_next_boot(
865 sd_journal *j,
866 BootId **boot,
867 bool advance_older,
868 bool read_realtime) {
869
f1188074 870 int r;
596a2329 871 char match[9+32+1] = "_BOOT_ID=";
45bc27b6 872 _cleanup_free_ BootId *next_boot = NULL;
ea7061e4
JJ		 873
874 assert(j);
596a2329
JJ		 875 assert(boot);
876
877 /* We expect the journal to be on the last position of a boot
878 * (in relation to the direction we are going), so that the next
879 * invocation of sd_journal_next/previous will be from a different
880 * boot. We then collect any information we desire and then jump
881 * to the last location of the new boot by using a _BOOT_ID match
882 * coming from the other journal direction. */
883
884 /* Make sure we aren't restricted by any _BOOT_ID matches, so that
885 * we can actually advance to a *different* boot. */
886 sd_journal_flush_matches(j);
887
888 if (advance_older)
889 r = sd_journal_previous(j);
890 else
891 r = sd_journal_next(j);
892 if (r < 0)
893 return r;
894 else if (r == 0)
895 return 0; /* End of journal, yay. */
896
45bc27b6 897 next_boot = new0(BootId, 1);
596a2329 898 if (!next_boot)
b56d608e 899 return -ENOMEM;
f1188074 900
596a2329 901 r = sd_journal_get_monotonic_usec(j, NULL, &next_boot->id);
f1188074
ZJS		 902 if (r < 0)
903 return r;
904
596a2329
JJ		 905 if (read_realtime) {
906 r = sd_journal_get_realtime_usec(j, &next_boot->first);
907 if (r < 0)
908 return r;
909 }
ea7061e4 910
596a2329
JJ		 911 /* Now seek to the last occurrence of this boot ID. */
912 sd_id128_to_string(next_boot->id, match + 9);
913 r = sd_journal_add_match(j, match, sizeof(match) - 1);
914 if (r < 0)
915 return r;
f1188074 916
596a2329
JJ		 917 if (advance_older)
918 r = sd_journal_seek_head(j);
919 else
920 r = sd_journal_seek_tail(j);
921 if (r < 0)
922 return r;
f1188074 923
596a2329
JJ		 924 if (advance_older)
925 r = sd_journal_next(j);
926 else
927 r = sd_journal_previous(j);
928 if (r < 0)
929 return r;
930 else if (r == 0)
931 return -ENODATA; /* This shouldn't happen. We just came from this very boot ID. */
f1188074 932
596a2329
JJ		 933 if (read_realtime) {
934 r = sd_journal_get_realtime_usec(j, &next_boot->last);
f1188074 935 if (r < 0)
596a2329
JJ		 936 return r;
937 }
938
939 *boot = next_boot;
940 next_boot = NULL;
9530e0d0 941
596a2329
JJ		 942 return 0;
943}
944
45bc27b6
LP		 945static int get_boots(
946 sd_journal *j,
947 BootId **boots,
948 BootId *query_ref_boot,
949 int ref_boot_offset) {
950
596a2329
JJ		 951 bool skip_once;
952 int r, count = 0;
45bc27b6 953 BootId *head = NULL, *tail = NULL;
596a2329
JJ		 954 const bool advance_older = query_ref_boot && ref_boot_offset <= 0;
955
956 assert(j);
f1188074 957
596a2329
JJ		 958 /* Adjust for the asymmetry that offset 0 is
959 * the last (and current) boot, while 1 is considered the
960 * (chronological) first boot in the journal. */
961 skip_once = query_ref_boot && sd_id128_is_null(query_ref_boot->id) && ref_boot_offset < 0;
962
963 /* Advance to the earliest/latest occurrence of our reference
964 * boot ID (taking our lookup direction into account), so that
965 * discover_next_boot() can do its job.
966 * If no reference is given, the journal head/tail will do,
967 * they're "virtual" boots after all. */
968 if (query_ref_boot && !sd_id128_is_null(query_ref_boot->id)) {
969 char match[9+32+1] = "_BOOT_ID=";
970
971 sd_journal_flush_matches(j);
972
973 sd_id128_to_string(query_ref_boot->id, match + 9);
974 r = sd_journal_add_match(j, match, sizeof(match) - 1);
f1188074
ZJS		 975 if (r < 0)
976 return r;
977
596a2329
JJ		 978 if (advance_older)
979 r = sd_journal_seek_head(j);
980 else
981 r = sd_journal_seek_tail(j);
f1188074
ZJS		 982 if (r < 0)
983 return r;
984
596a2329
JJ		 985 if (advance_older)
986 r = sd_journal_next(j);
987 else
988 r = sd_journal_previous(j);
f1188074
ZJS		 989 if (r < 0)
990 return r;
991 else if (r == 0)
596a2329
JJ		 992 goto finish;
993 else if (ref_boot_offset == 0) {
994 count = 1;
995 goto finish;
996 }
997 } else {
998 if (advance_older)
999 r = sd_journal_seek_tail(j);
1000 else
1001 r = sd_journal_seek_head(j);
f1188074
ZJS		 1002 if (r < 0)
1003 return r;
1004
596a2329
JJ		 1005 /* No sd_journal_next/previous here. */
1006 }
f1188074 1007
45bc27b6
LP		 1008 for (;;) {
1009 _cleanup_free_ BootId *current = NULL;
f1188074 1010
596a2329
JJ		 1011 r = discover_next_boot(j, &current, advance_older, !query_ref_boot);
1012 if (r < 0) {
9530e0d0 1013 boot_id_free_all(head);
596a2329 1014 return r;
ea7061e4 1015 }
f1188074 1016
596a2329
JJ		 1017 if (!current)
1018 break;
1019
1020 if (query_ref_boot) {
1021 if (!skip_once)
1022 ref_boot_offset += advance_older ? 1 : -1;
1023 skip_once = false;
1024
1025 if (ref_boot_offset == 0) {
1026 count = 1;
1027 query_ref_boot->id = current->id;
1028 break;
1029 }
1030 } else {
1031 LIST_INSERT_AFTER(boot_list, head, tail, current);
1032 tail = current;
1033 current = NULL;
1034 count++;
1035 }
f1188074
ZJS		 1036 }
1037
596a2329
JJ		 1038finish:
1039 if (boots)
1040 *boots = head;
1041
1042 sd_journal_flush_matches(j);
1043
1044 return count;
ea7061e4
JJ		 1045}
1046
1047static int list_boots(sd_journal *j) {
596a2329 1048 int w, i, count;
9530e0d0 1049 BootId *id, *all_ids;
ea7061e4
JJ		 1050
1051 assert(j);
1052
596a2329 1053 count = get_boots(j, &all_ids, NULL, 0);
b56d608e
LP		 1054 if (count < 0)
1055 return log_error_errno(count, "Failed to determine boots: %m");
1056 if (count == 0)
596a2329 1057 return count;
ea7061e4
JJ		 1058
1059 pager_open_if_enabled();
f1188074
ZJS		 1060
1061 /* numbers are one less, but we need an extra char for the sign */
1062 w = DECIMAL_STR_WIDTH(count - 1) + 1;
1063
596a2329 1064 i = 0;
9530e0d0 1065 LIST_FOREACH(boot_list, id, all_ids) {
f1188074
ZJS		 1066 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
1067
1068 printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
1069 w, i - count + 1,
1070 SD_ID128_FORMAT_VAL(id->id),
5ab99e07
LP		 1071 format_timestamp_maybe_utc(a, sizeof(a), id->first),
1072 format_timestamp_maybe_utc(b, sizeof(b), id->last));
596a2329 1073 i++;
d121b396 1074 }
a963990f 1075
9530e0d0
LP		 1076 boot_id_free_all(all_ids);
1077
a331b5e6
JJ		 1078 return 0;
1079}
1080
1081static int add_boot(sd_journal *j) {
1082 char match[9+32+1] = "_BOOT_ID=";
442e2def 1083 int r;
45bc27b6 1084 BootId ref_boot_id = {};
a331b5e6
JJ		 1085
1086 assert(j);
1087
d121b396 1088 if (!arg_boot)
a331b5e6
JJ		 1089 return 0;
1090
442e2def 1091 if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
b6741478 1092 return add_match_this_boot(j, arg_machine);
a331b5e6 1093
596a2329
JJ		 1094 ref_boot_id.id = arg_boot_id;
1095 r = get_boots(j, NULL, &ref_boot_id, arg_boot_offset);
1096 assert(r <= 1);
1097 if (r <= 0) {
1098 const char *reason = (r == 0) ? "No such boot ID in journal" : strerror(-r);
1099
1100 if (sd_id128_is_null(arg_boot_id))
1101 log_error("Failed to look up boot %+i: %s", arg_boot_offset, reason);
d121b396 1102 else
442e2def 1103 log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s",
596a2329
JJ		 1104 SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, reason);
1105
1106 return r == 0 ? -ENODATA : r;
a331b5e6
JJ		 1107 }
1108
596a2329 1109 sd_id128_to_string(ref_boot_id.id, match + 9);
d121b396
ZJS		 1110
1111 r = sd_journal_add_match(j, match, sizeof(match) - 1);
23bbb0de
MS		 1112 if (r < 0)
1113 return log_error_errno(r, "Failed to add match: %m");
a331b5e6
JJ		 1114
1115 r = sd_journal_add_conjunction(j);
1116 if (r < 0)
b56d608e 1117 return log_error_errno(r, "Failed to add conjunction: %m");
a331b5e6
JJ		 1118
1119 return 0;
a963990f
LP		 1120}
1121
99271804
ZJS		 1122static int add_dmesg(sd_journal *j) {
1123 int r;
1124 assert(j);
1125
1126 if (!arg_dmesg)
1127 return 0;
1128
1129 r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel"));
23bbb0de
MS		 1130 if (r < 0)
1131 return log_error_errno(r, "Failed to add match: %m");
99271804
ZJS		 1132
1133 r = sd_journal_add_conjunction(j);
1134 if (r < 0)
b56d608e 1135 return log_error_errno(r, "Failed to add conjunction: %m");
99271804
ZJS		 1136
1137 return 0;
1138}
1139
b56d608e
LP		 1140static int get_possible_units(
1141 sd_journal *j,
1142 const char *fields,
1143 char **patterns,
1144 Set **units) {
1145
ea18a4b5
ZJS		 1146 _cleanup_set_free_free_ Set *found;
1147 const char *field;
c3f60ec5 1148 int r;
ea18a4b5 1149
d5099efc 1150 found = set_new(&string_hash_ops);
ea18a4b5 1151 if (!found)
b56d608e 1152 return -ENOMEM;
ea18a4b5
ZJS		 1153
1154 NULSTR_FOREACH(field, fields) {
1155 const void *data;
1156 size_t size;
1157
1158 r = sd_journal_query_unique(j, field);
1159 if (r < 0)
1160 return r;
1161
1162 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1163 char **pattern, *eq;
1164 size_t prefix;
1165 _cleanup_free_ char *u = NULL;
1166
1167 eq = memchr(data, '=', size);
1168 if (eq)
1169 prefix = eq - (char*) data + 1;
1170 else
1171 prefix = 0;
1172
1173 u = strndup((char*) data + prefix, size - prefix);
1174 if (!u)
b56d608e 1175 return -ENOMEM;
ea18a4b5
ZJS		 1176
1177 STRV_FOREACH(pattern, patterns)
1178 if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
1179 log_debug("Matched %s with pattern %s=%s", u, field, *pattern);
1180
1181 r = set_consume(found, u);
1182 u = NULL;
1183 if (r < 0 && r != -EEXIST)
1184 return r;
1185
1186 break;
1187 }
1188 }
1189 }
1190
1191 *units = found;
1192 found = NULL;
1193 return 0;
1194}
1195
1196/* This list is supposed to return the superset of unit names
1197 * possibly matched by rules added with add_matches_for_unit... */
1198#define SYSTEM_UNITS \
1199 "_SYSTEMD_UNIT\0" \
1200 "COREDUMP_UNIT\0" \
1201 "UNIT\0" \
1202 "OBJECT_SYSTEMD_UNIT\0" \
1203 "_SYSTEMD_SLICE\0"
1204
1205/* ... and add_matches_for_user_unit */
1206#define USER_UNITS \
1207 "_SYSTEMD_USER_UNIT\0" \
1208 "USER_UNIT\0" \
1209 "COREDUMP_USER_UNIT\0" \
1210 "OBJECT_SYSTEMD_USER_UNIT\0"
1211
1212static int add_units(sd_journal *j) {
1213 _cleanup_strv_free_ char **patterns = NULL;
1214 int r, count = 0;
b9e40524 1215 char **i;
c3f60ec5
LP		 1216
1217 assert(j);
1218
b9e40524 1219 STRV_FOREACH(i, arg_system_units) {
ea18a4b5
ZJS		 1220 _cleanup_free_ char *u = NULL;
1221
7410616c
LP		 1222 r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
1223 if (r < 0)
1224 return r;
ea18a4b5
ZJS		 1225
1226 if (string_is_glob(u)) {
1227 r = strv_push(&patterns, u);
1228 if (r < 0)
1229 return r;
1230 u = NULL;
1231 } else {
1232 r = add_matches_for_unit(j, u);
1233 if (r < 0)
1234 return r;
1235 r = sd_journal_add_disjunction(j);
1236 if (r < 0)
1237 return r;
1238 count ++;
1239 }
1240 }
1241
1242 if (!strv_isempty(patterns)) {
1243 _cleanup_set_free_free_ Set *units = NULL;
1244 Iterator it;
1245 char *u;
1246
1247 r = get_possible_units(j, SYSTEM_UNITS, patterns, &units);
b9e40524
HH		 1248 if (r < 0)
1249 return r;
ea18a4b5
ZJS		 1250
1251 SET_FOREACH(u, units, it) {
1252 r = add_matches_for_unit(j, u);
1253 if (r < 0)
1254 return r;
1255 r = sd_journal_add_disjunction(j);
1256 if (r < 0)
1257 return r;
1258 count ++;
1259 }
b9e40524 1260 }
c3f60ec5 1261
97b11eed 1262 patterns = strv_free(patterns);
ea18a4b5 1263
b9e40524 1264 STRV_FOREACH(i, arg_user_units) {
ea18a4b5
ZJS		 1265 _cleanup_free_ char *u = NULL;
1266
7410616c
LP		 1267 r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
1268 if (r < 0)
1269 return r;
c3f60ec5 1270
ea18a4b5
ZJS		 1271 if (string_is_glob(u)) {
1272 r = strv_push(&patterns, u);
1273 if (r < 0)
1274 return r;
1275 u = NULL;
1276 } else {
1277 r = add_matches_for_user_unit(j, u, getuid());
1278 if (r < 0)
1279 return r;
1280 r = sd_journal_add_disjunction(j);
1281 if (r < 0)
1282 return r;
1283 count ++;
1284 }
1285 }
1286
1287 if (!strv_isempty(patterns)) {
1288 _cleanup_set_free_free_ Set *units = NULL;
1289 Iterator it;
1290 char *u;
b9e40524 1291
ea18a4b5 1292 r = get_possible_units(j, USER_UNITS, patterns, &units);
b9e40524
HH		 1293 if (r < 0)
1294 return r;
1295
ea18a4b5
ZJS		 1296 SET_FOREACH(u, units, it) {
1297 r = add_matches_for_user_unit(j, u, getuid());
1298 if (r < 0)
1299 return r;
1300 r = sd_journal_add_disjunction(j);
1301 if (r < 0)
1302 return r;
1303 count ++;
1304 }
b9e40524 1305 }
c3f60ec5 1306
ea18a4b5
ZJS		 1307 /* Complain if the user request matches but nothing whatsoever was
1308 * found, since otherwise everything would be matched. */
1309 if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0)
1310 return -ENODATA;
1311
cd34b3c6
HH		 1312 r = sd_journal_add_conjunction(j);
1313 if (r < 0)
1314 return r;
1315
c3f60ec5
LP		 1316 return 0;
1317}
1318
941e990d
LP		 1319static int add_priorities(sd_journal *j) {
1320 char match[] = "PRIORITY=0";
1321 int i, r;
941e990d
LP		 1322 assert(j);
1323
1324 if (arg_priorities == 0xFF)
1325 return 0;
1326
1327 for (i = LOG_EMERG; i <= LOG_DEBUG; i++)
1328 if (arg_priorities & (1 << i)) {
1329 match[sizeof(match)-2] = '0' + i;
1330
941e990d 1331 r = sd_journal_add_match(j, match, strlen(match));
23bbb0de
MS		 1332 if (r < 0)
1333 return log_error_errno(r, "Failed to add match: %m");
941e990d
LP		 1334 }
1335
cd34b3c6
HH		 1336 r = sd_journal_add_conjunction(j);
1337 if (r < 0)
b56d608e 1338 return log_error_errno(r, "Failed to add conjunction: %m");
cd34b3c6 1339
941e990d
LP		 1340 return 0;
1341}
1342
73083640
HH		 1343
1344static int add_syslog_identifier(sd_journal *j) {
1345 int r;
1346 char **i;
1347
1348 assert(j);
1349
1350 STRV_FOREACH(i, arg_syslog_identifier) {
1351 char *u;
1352
63c372cb 1353 u = strjoina("SYSLOG_IDENTIFIER=", *i);
73083640
HH		 1354 r = sd_journal_add_match(j, u, 0);
1355 if (r < 0)
1356 return r;
1357 r = sd_journal_add_disjunction(j);
1358 if (r < 0)
1359 return r;
1360 }
1361
1362 r = sd_journal_add_conjunction(j);
1363 if (r < 0)
1364 return r;
1365
1366 return 0;
1367}
1368
7560fffc
LP		 1369static int setup_keys(void) {
1370#ifdef HAVE_GCRYPT
1371 size_t mpk_size, seed_size, state_size, i;
1372 uint8_t *mpk, *seed, *state;
11689d2a 1373 int fd = -1, r;
7560fffc
LP		 1374 sd_id128_t machine, boot;
1375 char *p = NULL, *k = NULL;
baed47c3 1376 struct FSSHeader h;
14d10188 1377 uint64_t n;
b98e3866
SL		 1378 struct stat st;
1379
1380 r = stat("/var/log/journal", &st);
4a62c710
MS		 1381 if (r < 0 && errno != ENOENT && errno != ENOTDIR)
1382 return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal");
b98e3866
SL		 1383
1384 if (r < 0 || !S_ISDIR(st.st_mode)) {
1385 log_error("%s is not a directory, must be using persistent logging for FSS.",
1386 "/var/log/journal");
1387 return r < 0 ? -errno : -ENOTDIR;
1388 }
7560fffc
LP		 1389
1390 r = sd_id128_get_machine(&machine);
23bbb0de
MS		 1391 if (r < 0)
1392 return log_error_errno(r, "Failed to get machine ID: %m");
7560fffc
LP		 1393
1394 r = sd_id128_get_boot(&boot);
23bbb0de
MS		 1395 if (r < 0)
1396 return log_error_errno(r, "Failed to get boot ID: %m");
7560fffc 1397
baed47c3 1398 if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
7560fffc
LP		 1399 SD_ID128_FORMAT_VAL(machine)) < 0)
1400 return log_oom();
1401
faf9da01
ZJS		 1402 if (arg_force) {
1403 r = unlink(p);
1404 if (r < 0 && errno != ENOENT) {
1405 r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
b8547c10
SL		 1406 goto finish;
1407 }
faf9da01
ZJS		 1408 } else if (access(p, F_OK) >= 0) {
1409 log_error("Sealing key file %s exists already. Use --force to recreate.", p);
1410 r = -EEXIST;
1411 goto finish;
7560fffc
LP		 1412 }
1413
baed47c3 1414 if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
7560fffc
LP		 1415 SD_ID128_FORMAT_VAL(machine)) < 0) {
1416 r = log_oom();
1417 goto finish;
1418 }
1419
1420 mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR);
1421 mpk = alloca(mpk_size);
1422
1423 seed_size = FSPRG_RECOMMENDED_SEEDLEN;
1424 seed = alloca(seed_size);
1425
1426 state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
1427 state = alloca(state_size);
1428
1429 fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
1430 if (fd < 0) {
56f64d95 1431 log_error_errno(errno, "Failed to open /dev/random: %m");
7560fffc
LP		 1432 r = -errno;
1433 goto finish;
1434 }
1435
1436 log_info("Generating seed...");
a6dcc7e5
ZJS		 1437 r = loop_read_exact(fd, seed, seed_size, true);
1438 if (r < 0) {
1439 log_error_errno(r, "Failed to read random seed: %m");
7560fffc
LP		 1440 goto finish;
1441 }
1442
1443 log_info("Generating key pair...");
1444 FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR);
1445
baed47c3 1446 log_info("Generating sealing key...");
7560fffc
LP		 1447 FSPRG_GenState0(state, mpk, seed, seed_size);
1448
baed47c3
LP		 1449 assert(arg_interval > 0);
1450
7560fffc 1451 n = now(CLOCK_REALTIME);
baed47c3 1452 n /= arg_interval;
7560fffc 1453
03e334a1 1454 safe_close(fd);
2d5bdf5b 1455 fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
7560fffc 1456 if (fd < 0) {
56f64d95 1457 log_error_errno(errno, "Failed to open %s: %m", k);
7560fffc
LP		 1458 r = -errno;
1459 goto finish;
1460 }
1461
f982e6f7
LP		 1462 /* Enable secure remove, exclusion from dump, synchronous
1463 * writing and in-place updating */
1ed8f8c1 1464 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		 1465 if (r < 0)
1466 log_warning_errno(errno, "Failed to set file attributes: %m");
f982e6f7 1467
7560fffc
LP		 1468 zero(h);
1469 memcpy(h.signature, "KSHHRHLP", 8);
1470 h.machine_id = machine;
1471 h.boot_id = boot;
1472 h.header_size = htole64(sizeof(h));
baed47c3
LP		 1473 h.start_usec = htole64(n * arg_interval);
1474 h.interval_usec = htole64(arg_interval);
1475 h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR);
1476 h.fsprg_state_size = htole64(state_size);
7560fffc 1477
553acb7b
ZJS		 1478 r = loop_write(fd, &h, sizeof(h), false);
1479 if (r < 0) {
1480 log_error_errno(r, "Failed to write header: %m");
7560fffc
LP		 1481 goto finish;
1482 }
1483
553acb7b
ZJS		 1484 r = loop_write(fd, state, state_size, false);
1485 if (r < 0) {
1486 log_error_errno(r, "Failed to write state: %m");
7560fffc
LP		 1487 goto finish;
1488 }
1489
1490 if (link(k, p) < 0) {
56f64d95 1491 log_error_errno(errno, "Failed to link file: %m");
7560fffc
LP		 1492 r = -errno;
1493 goto finish;
1494 }
1495
8481248b 1496 if (on_tty()) {
7560fffc
LP		 1497 fprintf(stderr,
1498 "\n"
baed47c3 1499 "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n"
c05276f2
LP		 1500 "the following local file. This key file is automatically updated when the\n"
1501 "sealing key is advanced. It should not be used on multiple hosts.\n"
7560fffc
LP		 1502 "\n"
1503 "\t%s\n"
1504 "\n"
baed47c3
LP		 1505 "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n"
1506 "at a safe location and should not be saved locally on disk.\n"
7560fffc
LP		 1507 "\n\t" ANSI_HIGHLIGHT_RED_ON, p);
1508 fflush(stderr);
1509 }
1510 for (i = 0; i < seed_size; i++) {
1511 if (i > 0 && i % 3 == 0)
1512 putchar('-');
1513 printf("%02x", ((uint8_t*) seed)[i]);
1514 }
1515
baed47c3
LP		 1516 printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval);
1517
8481248b 1518 if (on_tty()) {
f6a971bc 1519 char tsb[FORMAT_TIMESPAN_MAX], *hn;
7560fffc 1520
baed47c3
LP		 1521 fprintf(stderr,
1522 ANSI_HIGHLIGHT_OFF "\n"
1523 "The sealing key is automatically changed every %s.\n",
2fa4092c 1524 format_timespan(tsb, sizeof(tsb), arg_interval, 0));
f6a971bc
LP		 1525
1526 hn = gethostname_malloc();
1527
1528 if (hn) {
ae691c1d 1529 hostname_cleanup(hn);
adac1c93 1530 fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine));
f6a971bc 1531 } else
adac1c93 1532 fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine));
f6a971bc
LP		 1533
1534#ifdef HAVE_QRENCODE
cf5a3432 1535 /* If this is not an UTF-8 system don't print any QR codes */
09017585 1536 if (is_locale_utf8()) {
cf5a3432
LP		 1537 fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr);
1538 print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
1539 }
f6a971bc
LP		 1540#endif
1541 free(hn);
baed47c3 1542 }
7560fffc
LP		 1543
1544 r = 0;
1545
1546finish:
03e334a1 1547 safe_close(fd);
7560fffc
LP		 1548
1549 if (k) {
1550 unlink(k);
1551 free(k);
1552 }
1553
1554 free(p);
1555
1556 return r;
1557#else
feb12d3e 1558 log_error("Forward-secure sealing not available.");
15411c0c 1559 return -EOPNOTSUPP;
7560fffc
LP		 1560#endif
1561}
1562
beec0085
LP		 1563static int verify(sd_journal *j) {
1564 int r = 0;
1565 Iterator i;
1566 JournalFile *f;
1567
1568 assert(j);
1569
cedb42bb
LP		 1570 log_show_color(true);
1571
c1f906bd 1572 ORDERED_HASHMAP_FOREACH(f, j->files, i) {
beec0085 1573 int k;
a7f7d1bd 1574 usec_t first = 0, validated = 0, last = 0;
beec0085 1575
56e81f7c 1576#ifdef HAVE_GCRYPT
feb12d3e 1577 if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
cedb42bb 1578 log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path);
56e81f7c 1579#endif
4da416aa 1580
2a7b539a 1581 k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true);
56e81f7c 1582 if (k == -EINVAL) {
baed47c3 1583 /* If the key was invalid give up right-away. */
56e81f7c
LP		 1584 return k;
1585 } else if (k < 0) {
beec0085 1586 log_warning("FAIL: %s (%s)", f->path, strerror(-k));
56e81f7c 1587 r = k;
6c7be122
LP		 1588 } else {
1589 char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX];
beec0085 1590 log_info("PASS: %s", f->path);
6c7be122 1591
c0ca7aee 1592 if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
2a7b539a 1593 if (validated > 0) {
c0ca7aee 1594 log_info("=> Validated from %s to %s, final %s entries not sealed.",
5ab99e07
LP		 1595 format_timestamp_maybe_utc(a, sizeof(a), first),
1596 format_timestamp_maybe_utc(b, sizeof(b), validated),
2fa4092c 1597 format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0));
2a7b539a 1598 } else if (last > 0)
c0ca7aee 1599 log_info("=> No sealing yet, %s of entries not sealed.",
2fa4092c 1600 format_timespan(c, sizeof(c), last - first, 0));
c0ca7aee
LP		 1601 else
1602 log_info("=> No sealing yet, no entries in file.");
1603 }
6c7be122 1604 }
beec0085
LP		 1605 }
1606
1607 return r;
1608}
1609
6fe391c5 1610static int access_check_var_log_journal(sd_journal *j) {
e346512c 1611#ifdef HAVE_ACL
6fe391c5 1612 _cleanup_strv_free_ char **g = NULL;
e346512c
LP		 1613 const char* dir;
1614#endif
6fe391c5
ZJS		 1615 int r;
1616
1617 assert(j);
1618
e346512c
LP		 1619 if (arg_quiet)
1620 return 0;
05c18530 1621
e346512c
LP		 1622 /* If we are root, we should have access, don't warn. */
1623 if (getuid() == 0)
1624 return 0;
05c18530 1625
e346512c
LP		 1626 /* If we are in the 'systemd-journal' group, we should have
1627 * access too. */
1628 r = in_group("systemd-journal");
1629 if (r < 0)
1630 return log_error_errno(r, "Failed to check if we are in the 'systemd-journal' group: %m");
1631 if (r > 0)
1632 return 0;
15804ceb 1633
e346512c
LP		 1634#ifdef HAVE_ACL
1635 if (laccess("/run/log/journal", F_OK) >= 0)
1636 dir = "/run/log/journal";
1637 else
1638 dir = "/var/log/journal";
1639
1640 /* If we are in any of the groups listed in the journal ACLs,
1641 * then all is good, too. Let's enumerate all groups from the
1642 * default ACL of the directory, which generally should allow
1643 * access to most journal files too. */
1644 r = acl_search_groups(dir, &g);
1645 if (r < 0)
1646 return log_error_errno(r, "Failed to search journal ACL: %m");
1647 if (r > 0)
1648 return 0;
4468addc 1649
e346512c
LP		 1650 /* Print a pretty list, if there were ACLs set. */
1651 if (!strv_isempty(g)) {
1652 _cleanup_free_ char *s = NULL;
4468addc 1653
e346512c
LP		 1654 /* Thre are groups in the ACL, let's list them */
1655 r = strv_extend(&g, "systemd-journal");
1656 if (r < 0)
1657 return log_oom();
6fe391c5 1658
e346512c
LP		 1659 strv_sort(g);
1660 strv_uniq(g);
6fe391c5 1661
e346512c
LP		 1662 s = strv_join(g, "', '");
1663 if (!s)
1664 return log_oom();
6fe391c5 1665
e346512c
LP		 1666 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
1667 " Users in groups '%s' can see all messages.\n"
1668 " Pass -q to turn off this notice.", s);
1669 return 1;
6fe391c5 1670 }
e346512c 1671#endif
4468addc 1672
e346512c
LP		 1673 /* If no ACLs were found, print a short version of the message. */
1674 log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
1675 " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
1676 " turn off this notice.");
1677
1678 return 1;
6fe391c5 1679}
4468addc 1680
6fe391c5 1681static int access_check(sd_journal *j) {
6fe391c5 1682 Iterator it;
3ac251b8 1683 void *code;
6fe391c5 1684 int r = 0;
4468addc 1685
6fe391c5 1686 assert(j);
4468addc 1687
6fe391c5 1688 if (set_isempty(j->errors)) {
c1f906bd 1689 if (ordered_hashmap_isempty(j->files))
3ac251b8 1690 log_notice("No journal files were found.");
e346512c 1691
6fe391c5
ZJS		 1692 return 0;
1693 }
4468addc 1694
3ac251b8 1695 if (set_contains(j->errors, INT_TO_PTR(-EACCES))) {
e346512c 1696 (void) access_check_var_log_journal(j);
3ac251b8 1697
e346512c
LP		 1698 if (ordered_hashmap_isempty(j->files))
1699 r = log_error_errno(EACCES, "No journal files were opened due to insufficient permissions.");
6fe391c5 1700 }
15804ceb 1701
6fe391c5 1702 SET_FOREACH(code, j->errors, it) {
3ac251b8
LP		 1703 int err;
1704
1705 err = -PTR_TO_INT(code);
6fe391c5 1706 assert(err > 0);
3ac251b8 1707
e346512c
LP		 1708 if (err == EACCES)
1709 continue;
1710
1711 log_warning_errno(err, "Error was encountered while opening journal files: %m");
1712 if (r == 0)
1713 r = -err;
6fe391c5
ZJS		 1714 }
1715
6fe391c5 1716 return r;
15804ceb
LP		 1717}
1718
74055aa7
LP		 1719static int flush_to_var(void) {
1720 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
03976f7b 1721 _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
74055aa7
LP		 1722 _cleanup_close_ int watch_fd = -1;
1723 int r;
1724
1725 /* Quick exit */
1726 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1727 return 0;
1728
1729 /* OK, let's actually do the full logic, send SIGUSR1 to the
1730 * daemon and set up inotify to wait for the flushed file to appear */
1731 r = bus_open_system_systemd(&bus);
23bbb0de
MS		 1732 if (r < 0)
1733 return log_error_errno(r, "Failed to get D-Bus connection: %m");
74055aa7
LP		 1734
1735 r = sd_bus_call_method(
1736 bus,
1737 "org.freedesktop.systemd1",
1738 "/org/freedesktop/systemd1",
1739 "org.freedesktop.systemd1.Manager",
1740 "KillUnit",
1741 &error,
1742 NULL,
1743 "ssi", "systemd-journald.service", "main", SIGUSR1);
1744 if (r < 0) {
1745 log_error("Failed to kill journal service: %s", bus_error_message(&error, r));
1746 return r;
1747 }
1748
1749 mkdir_p("/run/systemd/journal", 0755);
1750
1751 watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
4a62c710
MS		 1752 if (watch_fd < 0)
1753 return log_error_errno(errno, "Failed to create inotify watch: %m");
74055aa7
LP		 1754
1755 r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
4a62c710
MS		 1756 if (r < 0)
1757 return log_error_errno(errno, "Failed to watch journal directory: %m");
74055aa7
LP		 1758
1759 for (;;) {
1760 if (access("/run/systemd/journal/flushed", F_OK) >= 0)
1761 break;
1762
4a62c710 1763 if (errno != ENOENT)
f131770b 1764 return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m");
74055aa7
LP		 1765
1766 r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
23bbb0de
MS		 1767 if (r < 0)
1768 return log_error_errno(r, "Failed to wait for event: %m");
74055aa7
LP		 1769
1770 r = flush_fd(watch_fd);
23bbb0de
MS		 1771 if (r < 0)
1772 return log_error_errno(r, "Failed to flush inotify events: %m");
74055aa7
LP		 1773 }
1774
1775 return 0;
1776}
1777
a963990f
LP		 1778int main(int argc, char *argv[]) {
1779 int r;
289f910e 1780 _cleanup_journal_close_ sd_journal *j = NULL;
a963990f 1781 bool need_seek = false;
14a65d65 1782 sd_id128_t previous_boot_id;
67e04a48
ZJS		 1783 bool previous_boot_id_valid = false, first_line = true;
1784 int n_shown = 0;
94e0bd7d 1785 bool ellipsized = false;
a963990f 1786
a9cdc94f 1787 setlocale(LC_ALL, "");
a963990f
LP		 1788 log_parse_environment();
1789 log_open();
1790
1791 r = parse_argv(argc, argv);
1792 if (r <= 0)
1793 goto finish;
1794
ed757c0c 1795 signal(SIGWINCH, columns_lines_cache_reset);
2cf4172a 1796 sigbus_install();
ed757c0c 1797
de45d726
LP		 1798 /* Increase max number of open files to 16K if we can, we
1799 * might needs this when browsing journal files, which might
1800 * be split up into many files. */
1801 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
1802
7560fffc 1803 if (arg_action == ACTION_NEW_ID128) {
a963990f
LP		 1804 r = generate_new_id128();
1805 goto finish;
1806 }
1807
74055aa7
LP		 1808 if (arg_action == ACTION_FLUSH) {
1809 r = flush_to_var();
1810 goto finish;
1811 }
1812
7560fffc
LP		 1813 if (arg_action == ACTION_SETUP_KEYS) {
1814 r = setup_keys();
1815 goto finish;
1816 }
1817
844ec79b
ZJS		 1818 if (arg_action == ACTION_UPDATE_CATALOG ||
1819 arg_action == ACTION_LIST_CATALOG ||
1820 arg_action == ACTION_DUMP_CATALOG) {
1821
0c6ea3a4
ZJS		 1822 _cleanup_free_ char *database;
1823
1824 database = path_join(arg_root, CATALOG_DATABASE, NULL);
1825 if (!database) {
1826 r = log_oom();
1827 goto finish;
13cbf3a5
ZJS		 1828 }
1829
844ec79b 1830 if (arg_action == ACTION_UPDATE_CATALOG) {
13cbf3a5 1831 r = catalog_update(database, arg_root, catalog_file_dirs);
844ec79b 1832 if (r < 0)
da927ba9 1833 log_error_errno(r, "Failed to list catalog: %m");
844ec79b
ZJS		 1834 } else {
1835 bool oneline = arg_action == ACTION_LIST_CATALOG;
1836
1837 if (optind < argc)
13cbf3a5 1838 r = catalog_list_items(stdout, database,
844ec79b
ZJS		 1839 oneline, argv + optind);
1840 else
13cbf3a5 1841 r = catalog_list(stdout, database, oneline);
844ec79b 1842 if (r < 0)
da927ba9 1843 log_error_errno(r, "Failed to list catalog: %m");
844ec79b 1844 }
d4205751 1845
d4205751
LP		 1846 goto finish;
1847 }
1848
a963990f 1849 if (arg_directory)
3f3a438f 1850 r = sd_journal_open_directory(&j, arg_directory, arg_journal_type);
8d98da3f
ZJS		 1851 else if (arg_file)
1852 r = sd_journal_open_files(&j, (const char**) arg_file, 0);
b6741478
LP		 1853 else if (arg_machine)
1854 r = sd_journal_open_container(&j, arg_machine, 0);
a963990f 1855 else
3f3a438f 1856 r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
a963990f 1857 if (r < 0) {
c33b3297
MS		 1858 log_error_errno(r, "Failed to open %s: %m",
1859 arg_directory ? arg_directory : arg_file ? "files" : "journal");
909dea0c 1860 goto finish;
a963990f
LP		 1861 }
1862
6fe391c5
ZJS		 1863 r = access_check(j);
1864 if (r < 0)
909dea0c 1865 goto finish;
6fe391c5 1866
beec0085
LP		 1867 if (arg_action == ACTION_VERIFY) {
1868 r = verify(j);
1869 goto finish;
1870 }
1871
7560fffc 1872 if (arg_action == ACTION_PRINT_HEADER) {
dca6219e 1873 journal_print_header(j);
909dea0c
LP		 1874 r = 0;
1875 goto finish;
dca6219e
LP		 1876 }
1877
a1a03e30 1878 if (arg_action == ACTION_DISK_USAGE) {
39883f62 1879 uint64_t bytes = 0;
a1a03e30
LP		 1880 char sbytes[FORMAT_BYTES_MAX];
1881
1882 r = sd_journal_get_usage(j, &bytes);
1883 if (r < 0)
909dea0c 1884 goto finish;
a1a03e30 1885
dbd2a83f 1886 printf("Archived and active journals take up %s on disk.\n",
763c7aa2 1887 format_bytes(sbytes, sizeof(sbytes), bytes));
909dea0c 1888 goto finish;
a1a03e30
LP		 1889 }
1890
dbd2a83f
LP		 1891 if (arg_action == ACTION_VACUUM) {
1892 Directory *d;
1893 Iterator i;
1894
1895 HASHMAP_FOREACH(d, j->directories_by_path, i) {
1896 int q;
1897
1898 if (d->is_root)
1899 continue;
1900
1901 q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_time, NULL, true);
1902 if (q < 0) {
da927ba9 1903 log_error_errno(q, "Failed to vacuum: %m");
dbd2a83f
LP		 1904 r = q;
1905 }
1906 }
1907
909dea0c 1908 goto finish;
dbd2a83f
LP		 1909 }
1910
f1188074
ZJS		 1911 if (arg_action == ACTION_LIST_BOOTS) {
1912 r = list_boots(j);
1913 goto finish;
1914 }
1915
a331b5e6
JJ		 1916 /* add_boot() must be called first!
1917 * It may need to seek the journal to find parent boot IDs. */
1918 r = add_boot(j);
a963990f 1919 if (r < 0)
909dea0c 1920 goto finish;
a963990f 1921
99271804
ZJS		 1922 r = add_dmesg(j);
1923 if (r < 0)
909dea0c 1924 goto finish;
99271804 1925
b9e40524 1926 r = add_units(j);
ea18a4b5 1927 if (r < 0) {
da927ba9 1928 log_error_errno(r, "Failed to add filter for units: %m");
909dea0c 1929 goto finish;
ea18a4b5 1930 }
c3f60ec5 1931
73083640
HH		 1932 r = add_syslog_identifier(j);
1933 if (r < 0) {
da927ba9 1934 log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
909dea0c 1935 goto finish;
73083640
HH		 1936 }
1937
cd34b3c6 1938 r = add_priorities(j);
b56d608e 1939 if (r < 0)
909dea0c 1940 goto finish;
a963990f 1941
cd34b3c6 1942 r = add_matches(j, argv + optind);
b56d608e 1943 if (r < 0)
909dea0c 1944 goto finish;
941e990d 1945
553d2243 1946 if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
4ad16808
ZJS		 1947 _cleanup_free_ char *filter;
1948
1949 filter = journal_make_match_string(j);
b56d608e
LP		 1950 if (!filter)
1951 return log_oom();
1952
4ad16808
ZJS		 1953 log_debug("Journal filter: %s", filter);
1954 }
67e04a48 1955
15119c16
LP		 1956 if (arg_field) {
1957 const void *data;
1958 size_t size;
1959
21ae4593
ZJS		 1960 r = sd_journal_set_data_threshold(j, 0);
1961 if (r < 0) {
b56d608e 1962 log_error_errno(r, "Failed to unset data size threshold: %m");
909dea0c 1963 goto finish;
21ae4593
ZJS		 1964 }
1965
15119c16
LP		 1966 r = sd_journal_query_unique(j, arg_field);
1967 if (r < 0) {
da927ba9 1968 log_error_errno(r, "Failed to query unique data objects: %m");
909dea0c 1969 goto finish;
15119c16
LP		 1970 }
1971
1972 SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
1973 const void *eq;
1974
67e04a48 1975 if (arg_lines >= 0 && n_shown >= arg_lines)
fd6e8875
LP		 1976 break;
1977
15119c16
LP		 1978 eq = memchr(data, '=', size);
1979 if (eq)
1980 printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1);
1981 else
1982 printf("%.*s\n", (int) size, (const char*) data);
fd6e8875
LP		 1983
1984 n_shown ++;
15119c16
LP		 1985 }
1986
909dea0c
LP		 1987 r = 0;
1988 goto finish;
15119c16
LP		 1989 }
1990
8d98da3f
ZJS		 1991 /* Opening the fd now means the first sd_journal_wait() will actually wait */
1992 if (arg_follow) {
1993 r = sd_journal_get_fd(j);
b56d608e
LP		 1994 if (r < 0) {
1995 log_error_errno(r, "Failed to get journal fd: %m");
909dea0c 1996 goto finish;
b56d608e 1997 }
8d98da3f
ZJS		 1998 }
1999
248fc619 2000 if (arg_cursor || arg_after_cursor) {
eacbb4d3 2001 r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
08984293 2002 if (r < 0) {
da927ba9 2003 log_error_errno(r, "Failed to seek to cursor: %m");
909dea0c 2004 goto finish;
08984293 2005 }
909dea0c 2006
d89d6c86 2007 if (!arg_reverse)
248fc619 2008 r = sd_journal_next_skip(j, 1 + !!arg_after_cursor);
d89d6c86 2009 else
248fc619
ZJS		 2010 r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
2011
8ee8e536 2012 if (arg_after_cursor && r < 2) {
248fc619 2013 /* We couldn't find the next entry after the cursor. */
8ee8e536
WD		 2014 if (arg_follow)
2015 need_seek = true;
2016 else
2017 arg_lines = 0;
2018 }
08984293 2019
d89d6c86 2020 } else if (arg_since_set && !arg_reverse) {
cfbc22ab 2021 r = sd_journal_seek_realtime_usec(j, arg_since);
8f14c832 2022 if (r < 0) {
da927ba9 2023 log_error_errno(r, "Failed to seek to date: %m");
909dea0c 2024 goto finish;
8f14c832 2025 }
8f14c832
LP		 2026 r = sd_journal_next(j);
2027
d89d6c86
LN		 2028 } else if (arg_until_set && arg_reverse) {
2029 r = sd_journal_seek_realtime_usec(j, arg_until);
2030 if (r < 0) {
da927ba9 2031 log_error_errno(r, "Failed to seek to date: %m");
909dea0c 2032 goto finish;
d89d6c86
LN		 2033 }
2034 r = sd_journal_previous(j);
2035
67e04a48 2036 } else if (arg_lines >= 0) {
2100675e
LP		 2037 r = sd_journal_seek_tail(j);
2038 if (r < 0) {
da927ba9 2039 log_error_errno(r, "Failed to seek to tail: %m");
909dea0c 2040 goto finish;
2100675e
LP		 2041 }
2042
2043 r = sd_journal_previous_skip(j, arg_lines);
8f14c832 2044
d89d6c86
LN		 2045 } else if (arg_reverse) {
2046 r = sd_journal_seek_tail(j);
2047 if (r < 0) {
da927ba9 2048 log_error_errno(r, "Failed to seek to tail: %m");
909dea0c 2049 goto finish;
d89d6c86
LN		 2050 }
2051
2052 r = sd_journal_previous(j);
2053
2100675e
LP		 2054 } else {
2055 r = sd_journal_seek_head(j);
2056 if (r < 0) {
da927ba9 2057 log_error_errno(r, "Failed to seek to head: %m");
909dea0c 2058 goto finish;
2100675e 2059 }
6f003b43
LP		 2060
2061 r = sd_journal_next(j);
2062 }
2063
2064 if (r < 0) {
da927ba9 2065 log_error_errno(r, "Failed to iterate through journal: %m");
909dea0c 2066 goto finish;
50f20cfd 2067 }
02ab86c7
LP		 2068 if (r == 0) {
2069 printf("-- No entries --\n");
2070 goto finish;
2071 }
87d2c1ff 2072
faf5077f
DH		 2073 if (!arg_follow)
2074 pager_open_if_enabled();
0d43c694 2075
cfbc22ab
LP		 2076 if (!arg_quiet) {
2077 usec_t start, end;
2078 char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
2079
2080 r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
2081 if (r < 0) {
da927ba9 2082 log_error_errno(r, "Failed to get cutoff: %m");
cfbc22ab
LP		 2083 goto finish;
2084 }
2085
2086 if (r > 0) {
2087 if (arg_follow)
9048b11f 2088 printf("-- Logs begin at %s. --\n",
5ab99e07 2089 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start));
cfbc22ab 2090 else
9048b11f 2091 printf("-- Logs begin at %s, end at %s. --\n",
5ab99e07
LP		 2092 format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
2093 format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
cfbc22ab
LP		 2094 }
2095 }
2096
50f20cfd 2097 for (;;) {
67e04a48 2098 while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) {
cfbc22ab
LP		 2099 int flags;
2100
6f003b43 2101 if (need_seek) {
99613ec5 2102 if (!arg_reverse)
d89d6c86
LN		 2103 r = sd_journal_next(j);
2104 else
2105 r = sd_journal_previous(j);
6f003b43 2106 if (r < 0) {
da927ba9 2107 log_error_errno(r, "Failed to iterate through journal: %m");
6f003b43
LP		 2108 goto finish;
2109 }
a72b6353
ZJS		 2110 if (r == 0)
2111 break;
0d43c694
LP		 2112 }
2113
d89d6c86 2114 if (arg_until_set && !arg_reverse) {
cfbc22ab
LP		 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");
cfbc22ab
LP		 2120 goto finish;
2121 }
3ba09ee8
PF		 2122 if (usec > arg_until)
2123 goto finish;
cfbc22ab
LP		 2124 }
2125
d89d6c86
LN		 2126 if (arg_since_set && arg_reverse) {
2127 usec_t usec;
2128
2129 r = sd_journal_get_realtime_usec(j, &usec);
2130 if (r < 0) {
da927ba9 2131 log_error_errno(r, "Failed to determine timestamp: %m");
d89d6c86
LN		 2132 goto finish;
2133 }
2134 if (usec < arg_since)
2135 goto finish;
2136 }
2137
4bed2485 2138 if (!arg_merge && !arg_quiet) {
cd931c0a 2139 sd_id128_t boot_id;
14a65d65 2140
cd931c0a
LP		 2141 r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
2142 if (r >= 0) {
2143 if (previous_boot_id_valid &&
2144 !sd_id128_equal(boot_id, previous_boot_id))
0b5a519c
DS		 2145 printf("%s-- Reboot --%s\n",
2146 ansi_highlight(), ansi_highlight_off());
cd931c0a
LP		 2147
2148 previous_boot_id = boot_id;
2149 previous_boot_id_valid = true;
2150 }
14a65d65
LP		 2151 }
2152
cfbc22ab 2153 flags =
cd4b13e0 2154 arg_all * OUTPUT_SHOW_ALL |
2b8f6883 2155 arg_full * OUTPUT_FULL_WIDTH |
d4205751 2156 on_tty() * OUTPUT_COLOR |
9fd29044
JS		 2157 arg_catalog * OUTPUT_CATALOG |
2158 arg_utc * OUTPUT_UTC;
cfbc22ab 2159
94e0bd7d 2160 r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
a72b6353
ZJS		 2161 need_seek = true;
2162 if (r == -EADDRNOTAVAIL)
2163 break;
2164 else if (r < 0 || ferror(stdout))
72f59706 2165 goto finish;
6f003b43 2166
cfbc22ab 2167 n_shown++;
87d2c1ff
LP		 2168 }
2169
248fc619
ZJS		 2170 if (!arg_follow) {
2171 if (arg_show_cursor) {
2172 _cleanup_free_ char *cursor = NULL;
2173
2174 r = sd_journal_get_cursor(j, &cursor);
2175 if (r < 0 && r != -EADDRNOTAVAIL)
da927ba9 2176 log_error_errno(r, "Failed to get cursor: %m");
248fc619
ZJS		 2177 else if (r >= 0)
2178 printf("-- cursor: %s\n", cursor);
2179 }
2180
50f20cfd 2181 break;
248fc619 2182 }
50f20cfd 2183
e02d1cf7 2184 r = sd_journal_wait(j, (uint64_t) -1);
50f20cfd 2185 if (r < 0) {
da927ba9 2186 log_error_errno(r, "Couldn't wait for journal event: %m");
50f20cfd
LP		 2187 goto finish;
2188 }
67e04a48
ZJS		 2189
2190 first_line = false;
de190aef 2191 }
87d2c1ff
LP		 2192
2193finish:
0d43c694
LP		 2194 pager_close();
2195
a36b8deb
ZJS		 2196 strv_free(arg_file);
2197
d52da205
LP		 2198 strv_free(arg_syslog_identifier);
2199 strv_free(arg_system_units);
2200 strv_free(arg_user_units);
2201
3fbf9cbb 2202 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
87d2c1ff 2203}
Unnamed repository; edit this file 'description' to name the repository.