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kernel-install: exit with option --json=help (#39974)
[thirdparty/systemd.git] / src / journal / journalctl.c
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
87d2c1ff 2
3f6fd1ba 3#include <getopt.h>
eea9eb1f 4#include <locale.h>
ade2db83 5
3f6fd1ba
LP		 6#include "sd-journal.h"
7
d6b4d1c7 8#include "build.h"
eea9eb1f
DDM		 9#include "dissect-image.h"
10#include "extract-word.h"
7d50b32a 11#include "glob-util.h"
ff7dad48 12#include "id128-print.h"
8aa304d3 13#include "image-policy.h"
ade2db83
YW		 14#include "journalctl.h"
15#include "journalctl-authenticate.h"
16#include "journalctl-catalog.h"
17#include "journalctl-misc.h"
18#include "journalctl-show.h"
19#include "journalctl-varlink.h"
eea9eb1f
DDM		 20#include "log.h"
21#include "loop-util.h"
9556e79b 22#include "main-func.h"
cc171228 23#include "mount-util.h"
c0dfcb31 24#include "mountpoint-util.h"
eea9eb1f
DDM		 25#include "output-mode.h"
26#include "pager.h"
614b022c 27#include "parse-argument.h"
c94f6ab1 28#include "parse-util.h"
eea9eb1f 29#include "pcre2-util.h"
294bf0c3 30#include "pretty-print.h"
eea9eb1f 31#include "set.h"
2e64b27a 32#include "static-destruct.h"
5c828e66 33#include "string-table.h"
eea9eb1f
DDM		 34#include "string-util.h"
35#include "strv.h"
7ccbd1ae 36#include "syslog-util.h"
eea9eb1f 37#include "time-util.h"
7560fffc 38
baed47c3 39#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
ec316d19 40
97e1cc8b
LP		 41enum {
42 /* Special values for arg_lines */
43 ARG_LINES_DEFAULT = -2,
44 ARG_LINES_ALL = -1,
45};
46
ade2db83
YW		 47JournalctlAction arg_action = ACTION_SHOW;
48OutputMode arg_output = OUTPUT_SHORT;
309a747f 49sd_json_format_flags_t arg_json_format_flags = SD_JSON_FORMAT_OFF;
ade2db83
YW		 50PagerFlags arg_pager_flags = 0;
51bool arg_utc = false;
52bool arg_follow = false;
53bool arg_full = true;
54bool arg_all = false;
55int arg_lines = ARG_LINES_DEFAULT;
56bool arg_lines_oldest = false;
57bool arg_no_tail = false;
58bool arg_truncate_newline = false;
59bool arg_quiet = false;
60bool arg_merge = false;
f8bfe16b 61int arg_boot = -1; /* tristate */
ade2db83
YW		 62sd_id128_t arg_boot_id = {};
63int arg_boot_offset = 0;
64bool arg_dmesg = false;
65bool arg_no_hostname = false;
ce2b92e8
YW		 66char *arg_cursor = NULL;
67char *arg_cursor_file = NULL;
68char *arg_after_cursor = NULL;
ade2db83 69bool arg_show_cursor = false;
ce2b92e8 70char *arg_directory = NULL;
ade2db83
YW		 71char **arg_file = NULL;
72bool arg_file_stdin = false;
22f2b556 73int arg_priorities = 0;
ade2db83
YW		 74Set *arg_facilities = NULL;
75char *arg_verify_key = NULL;
349cc4a5 76#if HAVE_GCRYPT
ade2db83
YW		 77usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
78bool arg_force = false;
feb12d3e 79#endif
ade2db83
YW		 80usec_t arg_since = 0;
81usec_t arg_until = 0;
82bool arg_since_set = false;
83bool arg_until_set = false;
84char **arg_syslog_identifier = NULL;
85char **arg_exclude_identifier = NULL;
86char **arg_system_units = NULL;
87char **arg_user_units = NULL;
7d3ae6b2
YW		 88bool arg_invocation = false;
89sd_id128_t arg_invocation_id = SD_ID128_NULL;
90int arg_invocation_offset = 0;
ce2b92e8 91char *arg_field = NULL;
ade2db83
YW		 92bool arg_catalog = false;
93bool arg_reverse = false;
94int arg_journal_type = 0;
95int arg_journal_additional_open_flags = 0;
96int arg_namespace_flags = 0;
97char *arg_root = NULL;
98char *arg_image = NULL;
ce2b92e8
YW		 99char *arg_machine = NULL;
100char *arg_namespace = NULL;
ade2db83
YW		 101uint64_t arg_vacuum_size = 0;
102uint64_t arg_vacuum_n_files = 0;
103usec_t arg_vacuum_time = 0;
104Set *arg_output_fields = NULL;
ce2b92e8 105char *arg_pattern = NULL;
ade2db83
YW		 106pcre2_code *arg_compiled_pattern = NULL;
107PatternCompileCase arg_case = PATTERN_COMPILE_CASE_AUTO;
5be930db 108ImagePolicy *arg_image_policy = NULL;
d2f45c76 109bool arg_synchronize_on_exit = false;
6becf48c 110
ce2b92e8
YW		 111STATIC_DESTRUCTOR_REGISTER(arg_cursor, freep);
112STATIC_DESTRUCTOR_REGISTER(arg_cursor_file, freep);
113STATIC_DESTRUCTOR_REGISTER(arg_after_cursor, freep);
114STATIC_DESTRUCTOR_REGISTER(arg_directory, freep);
2e64b27a
DDM		 115STATIC_DESTRUCTOR_REGISTER(arg_file, strv_freep);
116STATIC_DESTRUCTOR_REGISTER(arg_facilities, set_freep);
d0ad4e88 117STATIC_DESTRUCTOR_REGISTER(arg_verify_key, erase_and_freep);
2e64b27a 118STATIC_DESTRUCTOR_REGISTER(arg_syslog_identifier, strv_freep);
25aa35d4 119STATIC_DESTRUCTOR_REGISTER(arg_exclude_identifier, strv_freep);
2e64b27a
DDM		 120STATIC_DESTRUCTOR_REGISTER(arg_system_units, strv_freep);
121STATIC_DESTRUCTOR_REGISTER(arg_user_units, strv_freep);
ce2b92e8 122STATIC_DESTRUCTOR_REGISTER(arg_field, freep);
2e64b27a
DDM		 123STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
124STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
ce2b92e8
YW		 125STATIC_DESTRUCTOR_REGISTER(arg_machine, freep);
126STATIC_DESTRUCTOR_REGISTER(arg_namespace, freep);
c5da14cd 127STATIC_DESTRUCTOR_REGISTER(arg_output_fields, set_freep);
ce2b92e8 128STATIC_DESTRUCTOR_REGISTER(arg_pattern, freep);
63649394 129STATIC_DESTRUCTOR_REGISTER(arg_compiled_pattern, pcre2_code_freep);
84be0c71 130STATIC_DESTRUCTOR_REGISTER(arg_image_policy, image_policy_freep);
2e64b27a 131
fdd325fb 132static int parse_id_descriptor(const char *x, sd_id128_t *ret_id, int *ret_offset) {
442e2def
LP		 133 sd_id128_t id = SD_ID128_NULL;
134 int off = 0, r;
135
fdd325fb
YW		 136 assert(x);
137 assert(ret_id);
138 assert(ret_offset);
139
48904825 140 if (streq(x, "all")) {
fdd325fb
YW		 141 *ret_id = SD_ID128_NULL;
142 *ret_offset = 0;
48904825 143 return 0;
fdd325fb
YW		 144 }
145
146 if (strlen(x) >= SD_ID128_STRING_MAX - 1) {
442e2def
LP		 147 char *t;
148
2f82562b 149 t = strndupa_safe(x, SD_ID128_STRING_MAX - 1);
442e2def
LP		 150 r = sd_id128_from_string(t, &id);
151 if (r >= 0)
0d5765f7 152 x += SD_ID128_STRING_MAX - 1;
442e2def 153
4c701096 154 if (!IN_SET(*x, 0, '-', '+'))
442e2def
LP		 155 return -EINVAL;
156
157 if (*x != 0) {
158 r = safe_atoi(x, &off);
159 if (r < 0)
160 return r;
161 }
162 } else {
163 r = safe_atoi(x, &off);
164 if (r < 0)
165 return r;
166 }
167
fdd325fb
YW		 168 *ret_id = id;
169 *ret_offset = off;
48904825 170 return 1;
442e2def
LP		 171}
172
8d6791d2
MY		 173static int parse_lines(const char *arg, bool graceful) {
174 const char *l;
175 int n, r;
176
177 assert(arg || graceful);
178
179 if (!arg)
180 goto default_noarg;
181
182 if (streq(arg, "all")) {
183 arg_lines = ARG_LINES_ALL;
184 return 1;
185 }
186
187 l = startswith(arg, "+");
188
189 r = safe_atoi(l ?: arg, &n);
190 if (r < 0 || n < 0) {
191 if (graceful)
192 goto default_noarg;
193
194 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse --lines='%s'.", arg);
195 }
196
197 arg_lines = n;
c8ccd444 198 arg_lines_oldest = l;
8d6791d2
MY		 199
200 return 1;
201
202default_noarg:
203 arg_lines = 10;
7b5ff439 204 arg_lines_oldest = false;
8d6791d2
MY		 205 return 0;
206}
207
196dedd5
ZJS		 208static int help_facilities(void) {
209 if (!arg_quiet)
210 puts("Available facilities:");
211
212 for (int i = 0; i < LOG_NFACILITIES; i++) {
213 _cleanup_free_ char *t = NULL;
214
d4423350 215 if (log_facility_unshifted_to_string_alloc(i, &t) < 0)
196dedd5
ZJS		 216 return log_oom();
217 puts(t);
218 }
219
220 return 0;
221}
222
37ec0fdd
LP		 223static int help(void) {
224 _cleanup_free_ char *link = NULL;
225 int r;
0d43c694 226
384c2c32 227 pager_open(arg_pager_flags);
faf5077f 228
37ec0fdd
LP		 229 r = terminal_urlify_man("journalctl", "1", &link);
230 if (r < 0)
231 return log_oom();
232
23d8c560
LP		 233 printf("%1$s [OPTIONS...] [MATCHES...]\n\n"
234 "%5$sQuery the journal.%6$s\n\n"
74962351 235 "%3$sSource Options:%4$s\n"
61c5f8a1
ZJS		 236 " --system Show the system journal\n"
237 " --user Show the user journal for the current user\n"
238 " -M --machine=CONTAINER Operate on local container\n"
74962351
LP		 239 " -m --merge Show entries from all available journals\n"
240 " -D --directory=PATH Show journal files from directory\n"
dde54b8a 241 " -i --file=PATH Show journal file\n"
84be0c71
LP		 242 " --root=PATH Operate on an alternate filesystem root\n"
243 " --image=PATH Operate on disk image as filesystem root\n"
244 " --image-policy=POLICY Specify disk image dissection policy\n"
74962351
LP		 245 " --namespace=NAMESPACE Show journal data from specified journal namespace\n"
246 "\n%3$sFiltering Options:%4$s\n"
61c5f8a1
ZJS		 247 " -S --since=DATE Show entries not older than the specified date\n"
248 " -U --until=DATE Show entries not newer than the specified date\n"
249 " -c --cursor=CURSOR Show entries starting at the specified cursor\n"
250 " --after-cursor=CURSOR Show entries after the specified cursor\n"
d9e15cbd 251 " --cursor-file=FILE Show entries after cursor in FILE and update FILE\n"
61c5f8a1 252 " -b --boot[=ID] Show current boot or the specified boot\n"
61c5f8a1
ZJS		 253 " -u --unit=UNIT Show logs from the specified unit\n"
254 " --user-unit=UNIT Show logs from the specified user unit\n"
7d3ae6b2
YW		 255 " --invocation=ID Show logs from the matching invocation ID\n"
256 " -I Show logs from the latest invocation of unit\n"
61c5f8a1 257 " -t --identifier=STRING Show entries with the specified syslog identifier\n"
25aa35d4
SZ		 258 " -T --exclude-identifier=STRING\n"
259 " Hide entries with the specified syslog identifier\n"
ad938537 260 " -p --priority=RANGE Show entries within the specified priority range\n"
196dedd5 261 " --facility=FACILITY... Show entries with the specified facilities\n"
fabf4dae 262 " -g --grep=PATTERN Show entries with MESSAGE matching PATTERN\n"
86b52a39 263 " --case-sensitive[=BOOL] Force case sensitive or insensitive matching\n"
74962351
LP		 264 " -k --dmesg Show kernel message log from the current boot\n"
265 "\n%3$sOutput Control Options:%4$s\n"
61c5f8a1
ZJS		 266 " -o --output=STRING Change journal output mode (short, short-precise,\n"
267 " short-iso, short-iso-precise, short-full,\n"
268 " short-monotonic, short-unix, verbose, export,\n"
8e044443
LP		 269 " json, json-pretty, json-sse, json-seq, cat,\n"
270 " with-unit)\n"
61c5f8a1 271 " --output-fields=LIST Select fields to print in verbose/export/json modes\n"
8d6791d2 272 " -n --lines[=[+]INTEGER] Number of journal entries to show\n"
74962351
LP		 273 " -r --reverse Show the newest entries first\n"
274 " --show-cursor Print the cursor after all the entries\n"
61c5f8a1
ZJS		 275 " --utc Express time in Coordinated Universal Time (UTC)\n"
276 " -x --catalog Add message explanations where available\n"
86048cce 277 " -W --no-hostname Suppress output of hostname field\n"
61c5f8a1
ZJS		 278 " --no-full Ellipsize fields\n"
279 " -a --all Show all fields, including long and unprintable\n"
74962351
LP		 280 " -f --follow Follow the journal\n"
281 " --no-tail Show all lines, even in follow mode\n"
61cecfa0 282 " --truncate-newline Truncate entries by first newline character\n"
61c5f8a1 283 " -q --quiet Do not show info messages and privilege warning\n"
d2f45c76
LP		 284 " --synchronize-on-exit=BOOL\n"
285 " Wait for Journal synchronization before exiting\n"
74962351 286 "\n%3$sPager Control Options:%4$s\n"
61c5f8a1 287 " --no-pager Do not pipe output into a pager\n"
74962351
LP		 288 " -e --pager-end Immediately jump to the end in the pager\n"
289 "\n%3$sForward Secure Sealing (FSS) Options:%4$s\n"
61c5f8a1
ZJS		 290 " --interval=TIME Time interval for changing the FSS sealing key\n"
291 " --verify-key=KEY Specify FSS verification key\n"
292 " --force Override of the FSS key pair with --setup-keys\n"
23d8c560 293 "\n%3$sCommands:%4$s\n"
61c5f8a1
ZJS		 294 " -h --help Show this help text\n"
295 " --version Show package version\n"
296 " -N --fields List all field names currently used\n"
297 " -F --field=FIELD List all values that a specified field takes\n"
74962351 298 " --list-boots Show terse information about recorded boots\n"
7d3ae6b2 299 " --list-invocations Show invocation IDs of specified unit\n"
edd2b336 300 " --list-namespaces Show list of journal namespaces\n"
61c5f8a1
ZJS		 301 " --disk-usage Show total disk usage of all journal files\n"
302 " --vacuum-size=BYTES Reduce disk usage below specified size\n"
303 " --vacuum-files=INT Leave only the specified number of journal files\n"
304 " --vacuum-time=TIME Remove journal files older than specified time\n"
305 " --verify Verify journal file consistency\n"
306 " --sync Synchronize unwritten journal messages to disk\n"
c0dfcb31
LP		 307 " --relinquish-var Stop logging to disk, log to temporary file system\n"
308 " --smart-relinquish-var Similar, but NOP if log directory is on root mount\n"
61c5f8a1
ZJS		 309 " --flush Flush all journal data from /run into /var\n"
310 " --rotate Request immediate rotation of the journal files\n"
311 " --header Show journal header information\n"
312 " --list-catalog Show all message IDs in the catalog\n"
313 " --dump-catalog Show entries in the message catalog\n"
314 " --update-catalog Update the message catalog database\n"
61c5f8a1 315 " --setup-keys Generate a new FSS key pair\n"
bc556335
DDM		 316 "\nSee the %2$s for details.\n",
317 program_invocation_short_name,
318 link,
319 ansi_underline(),
320 ansi_normal(),
321 ansi_highlight(),
322 ansi_normal());
37ec0fdd
LP		 323
324 return 0;
0d43c694
LP		 325}
326
327static int parse_argv(int argc, char *argv[]) {
328
329 enum {
330 ARG_VERSION = 0x100,
e91af489 331 ARG_NO_PAGER,
2b8f6883 332 ARG_NO_FULL,
55ee336c 333 ARG_NO_TAIL,
dca6219e 334 ARG_NEW_ID128,
8453f062 335 ARG_THIS_BOOT,
f1188074 336 ARG_LIST_BOOTS,
7d3ae6b2 337 ARG_LIST_INVOCATIONS,
3f3a438f
ZJS		 338 ARG_USER,
339 ARG_SYSTEM,
13cbf3a5 340 ARG_ROOT,
cc171228 341 ARG_IMAGE,
06e78680 342 ARG_IMAGE_POLICY,
7560fffc 343 ARG_HEADER,
196dedd5 344 ARG_FACILITY,
beec0085 345 ARG_SETUP_KEYS,
baed47c3 346 ARG_INTERVAL,
4da416aa 347 ARG_VERIFY,
a1a03e30 348 ARG_VERIFY_KEY,
cfbc22ab 349 ARG_DISK_USAGE,
248fc619 350 ARG_AFTER_CURSOR,
d9e15cbd 351 ARG_CURSOR_FILE,
248fc619 352 ARG_SHOW_CURSOR,
ffa7cd15 353 ARG_USER_UNIT,
7d3ae6b2 354 ARG_INVOCATION,
d4205751 355 ARG_LIST_CATALOG,
54b7254c 356 ARG_DUMP_CATALOG,
3f3a438f 357 ARG_UPDATE_CATALOG,
b8547c10 358 ARG_FORCE,
61c5f8a1 359 ARG_CASE_SENSITIVE,
9fd29044 360 ARG_UTC,
94b65516 361 ARG_SYNC,
74055aa7 362 ARG_FLUSH,
c0dfcb31
LP		 363 ARG_RELINQUISH_VAR,
364 ARG_SMART_RELINQUISH_VAR,
e3fdfb49 365 ARG_ROTATE,
61cecfa0 366 ARG_TRUNCATE_NEWLINE,
dbd2a83f 367 ARG_VACUUM_SIZE,
8580d1f7 368 ARG_VACUUM_FILES,
dbd2a83f 369 ARG_VACUUM_TIME,
cc25a67e 370 ARG_OUTPUT_FIELDS,
6b25db87 371 ARG_NAMESPACE,
68f66a17 372 ARG_LIST_NAMESPACES,
d2f45c76 373 ARG_SYNCHRONIZE_ON_EXIT,
0d43c694
LP		 374 };
375
376 static const struct option options[] = {
c0dfcb31
LP		 377 { "help", no_argument, NULL, 'h' },
378 { "version" , no_argument, NULL, ARG_VERSION },
379 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
380 { "pager-end", no_argument, NULL, 'e' },
381 { "follow", no_argument, NULL, 'f' },
382 { "force", no_argument, NULL, ARG_FORCE },
383 { "output", required_argument, NULL, 'o' },
384 { "all", no_argument, NULL, 'a' },
385 { "full", no_argument, NULL, 'l' },
386 { "no-full", no_argument, NULL, ARG_NO_FULL },
387 { "lines", optional_argument, NULL, 'n' },
61cecfa0 388 { "truncate-newline", no_argument, NULL, ARG_TRUNCATE_NEWLINE },
c0dfcb31
LP		 389 { "no-tail", no_argument, NULL, ARG_NO_TAIL },
390 { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, /* deprecated */
391 { "quiet", no_argument, NULL, 'q' },
392 { "merge", no_argument, NULL, 'm' },
393 { "this-boot", no_argument, NULL, ARG_THIS_BOOT }, /* deprecated */
394 { "boot", optional_argument, NULL, 'b' },
395 { "list-boots", no_argument, NULL, ARG_LIST_BOOTS },
7d3ae6b2 396 { "list-invocations", no_argument, NULL, ARG_LIST_INVOCATIONS },
c0dfcb31
LP		 397 { "dmesg", no_argument, NULL, 'k' },
398 { "system", no_argument, NULL, ARG_SYSTEM },
399 { "user", no_argument, NULL, ARG_USER },
400 { "directory", required_argument, NULL, 'D' },
dde54b8a 401 { "file", required_argument, NULL, 'i' },
c0dfcb31 402 { "root", required_argument, NULL, ARG_ROOT },
cc171228 403 { "image", required_argument, NULL, ARG_IMAGE },
06e78680 404 { "image-policy", required_argument, NULL, ARG_IMAGE_POLICY },
c0dfcb31
LP		 405 { "header", no_argument, NULL, ARG_HEADER },
406 { "identifier", required_argument, NULL, 't' },
25aa35d4 407 { "exclude-identifier", required_argument, NULL, 'T' },
c0dfcb31 408 { "priority", required_argument, NULL, 'p' },
196dedd5 409 { "facility", required_argument, NULL, ARG_FACILITY },
c0dfcb31
LP		 410 { "grep", required_argument, NULL, 'g' },
411 { "case-sensitive", optional_argument, NULL, ARG_CASE_SENSITIVE },
412 { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
413 { "interval", required_argument, NULL, ARG_INTERVAL },
414 { "verify", no_argument, NULL, ARG_VERIFY },
415 { "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
416 { "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
417 { "cursor", required_argument, NULL, 'c' },
418 { "cursor-file", required_argument, NULL, ARG_CURSOR_FILE },
419 { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR },
420 { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR },
421 { "since", required_argument, NULL, 'S' },
422 { "until", required_argument, NULL, 'U' },
423 { "unit", required_argument, NULL, 'u' },
424 { "user-unit", required_argument, NULL, ARG_USER_UNIT },
7d3ae6b2 425 { "invocation", required_argument, NULL, ARG_INVOCATION },
c0dfcb31
LP		 426 { "field", required_argument, NULL, 'F' },
427 { "fields", no_argument, NULL, 'N' },
428 { "catalog", no_argument, NULL, 'x' },
429 { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
430 { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
431 { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
432 { "reverse", no_argument, NULL, 'r' },
433 { "machine", required_argument, NULL, 'M' },
434 { "utc", no_argument, NULL, ARG_UTC },
435 { "flush", no_argument, NULL, ARG_FLUSH },
436 { "relinquish-var", no_argument, NULL, ARG_RELINQUISH_VAR },
437 { "smart-relinquish-var", no_argument, NULL, ARG_SMART_RELINQUISH_VAR },
438 { "sync", no_argument, NULL, ARG_SYNC },
439 { "rotate", no_argument, NULL, ARG_ROTATE },
440 { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
441 { "vacuum-files", required_argument, NULL, ARG_VACUUM_FILES },
442 { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
86048cce 443 { "no-hostname", no_argument, NULL, 'W' },
c0dfcb31 444 { "output-fields", required_argument, NULL, ARG_OUTPUT_FIELDS },
6b25db87 445 { "namespace", required_argument, NULL, ARG_NAMESPACE },
68f66a17 446 { "list-namespaces", no_argument, NULL, ARG_LIST_NAMESPACES },
d2f45c76 447 { "synchronize-on-exit", required_argument, NULL, ARG_SYNCHRONIZE_ON_EXIT },
eb9da376 448 {}
0d43c694
LP		 449 };
450
2100675e 451 int c, r;
0d43c694
LP		 452
453 assert(argc >= 0);
454 assert(argv);
455
86048cce 456 while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:g:c:S:U:t:T:u:INF:xrM:i:W", options, NULL)) >= 0)
0d43c694
LP		 457
458 switch (c) {
459
460 case 'h':
37ec0fdd 461 return help();
0d43c694
LP		 462
463 case ARG_VERSION:
3f6fd1ba 464 return version();
0d43c694
LP		 465
466 case ARG_NO_PAGER:
0221d68a 467 arg_pager_flags |= PAGER_DISABLE;
0d43c694
LP		 468 break;
469
1b12a7b5 470 case 'e':
0221d68a 471 arg_pager_flags |= PAGER_JUMP_TO_END;
1b12a7b5
HH		 472 break;
473
0d43c694
LP		 474 case 'f':
475 arg_follow = true;
476 break;
477
478 case 'o':
188049d3
DT		 479 if (streq(optarg, "help"))
480 return DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
5c828e66 481
1705594f 482 arg_output = output_mode_from_string(optarg);
0491150b 483 if (arg_output < 0)
7211c853 484 return log_error_errno(arg_output, "Unknown output format '%s'.", optarg);
df50185b 485
8e044443 486 if (IN_SET(arg_output, OUTPUT_EXPORT, OUTPUT_JSON, OUTPUT_JSON_PRETTY, OUTPUT_JSON_SSE, OUTPUT_JSON_SEQ, OUTPUT_CAT))
edfb521a
ZJS		 487 arg_quiet = true;
488
5a1355d8 489 if (OUTPUT_MODE_IS_JSON(arg_output))
309a747f 490 arg_json_format_flags = output_mode_to_json_format_flags(arg_output) | SD_JSON_FORMAT_COLOR_AUTO;
faf20d4c 491 else
309a747f 492 arg_json_format_flags = SD_JSON_FORMAT_OFF;
faf20d4c 493
0d43c694
LP		 494 break;
495
98a6e132 496 case 'l':
e3657ecd
ZJS		 497 arg_full = true;
498 break;
499
2b8f6883
ZJS		 500 case ARG_NO_FULL:
501 arg_full = false;
502 break;
503
0d43c694 504 case 'a':
cd4b13e0 505 arg_all = true;
0d43c694
LP		 506 break;
507
2100675e 508 case 'n':
f2e2c93d 509 r = parse_lines(optarg ?: argv[optind], !optarg);
8d6791d2
MY		 510 if (r < 0)
511 return r;
512 if (r > 0 && !optarg)
513 optind++;
1705594f 514
2100675e
LP		 515 break;
516
e91af489
LP		 517 case ARG_NO_TAIL:
518 arg_no_tail = true;
519 break;
520
61cecfa0 521 case ARG_TRUNCATE_NEWLINE:
522 arg_truncate_newline = true;
523 break;
524
39f7f5c1 525 case ARG_NEW_ID128:
7560fffc 526 arg_action = ACTION_NEW_ID128;
55ee336c
LP		 527 break;
528
43673799
LP		 529 case 'q':
530 arg_quiet = true;
490e567d 531 break;
43673799 532
9e8a535f
LP		 533 case 'm':
534 arg_merge = true;
2bd3c38a
LP		 535 break;
536
8453f062
ZJS		 537 case ARG_THIS_BOOT:
538 arg_boot = true;
48904825 539 arg_boot_id = SD_ID128_NULL;
540 arg_boot_offset = 0;
8453f062
ZJS		 541 break;
542
59cea26a 543 case 'b':
d121b396 544 arg_boot = true;
48904825 545 arg_boot_id = SD_ID128_NULL;
546 arg_boot_offset = 0;
6cebe83c 547
442e2def 548 if (optarg) {
fdd325fb 549 r = parse_id_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
48904825 550 if (r < 0)
551 return log_error_errno(r, "Failed to parse boot descriptor '%s'", optarg);
552
553 arg_boot = r;
554
48904825 555 } else if (optind < argc) {
fdd325fb
YW		 556 /* Hmm, no argument? Maybe the next word on the command line is supposed to be the
557 * argument? Let's see if there is one and is parsable as a boot descriptor... */
558 r = parse_id_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset);
48904825 559 if (r >= 0) {
560 arg_boot = r;
6cebe83c 561 optind++;
48904825 562 }
6cebe83c 563 }
59cea26a
LP		 564 break;
565
f1188074
ZJS		 566 case ARG_LIST_BOOTS:
567 arg_action = ACTION_LIST_BOOTS;
568 break;
569
7d3ae6b2
YW		 570 case ARG_LIST_INVOCATIONS:
571 arg_action = ACTION_LIST_INVOCATIONS;
572 break;
573
99271804 574 case 'k':
f8bfe16b 575 arg_dmesg = true;
99271804
ZJS		 576 break;
577
3f3a438f
ZJS		 578 case ARG_SYSTEM:
579 arg_journal_type |= SD_JOURNAL_SYSTEM;
580 break;
581
582 case ARG_USER:
583 arg_journal_type |= SD_JOURNAL_CURRENT_USER;
584 break;
585
b6741478 586 case 'M':
ce2b92e8
YW		 587 r = free_and_strdup_warn(&arg_machine, optarg);
588 if (r < 0)
589 return r;
b6741478
LP		 590 break;
591
6b25db87
LP		 592 case ARG_NAMESPACE:
593 if (streq(optarg, "*")) {
594 arg_namespace_flags = SD_JOURNAL_ALL_NAMESPACES;
ce2b92e8 595 arg_namespace = mfree(arg_namespace);
6b25db87
LP		 596 } else if (startswith(optarg, "+")) {
597 arg_namespace_flags = SD_JOURNAL_INCLUDE_DEFAULT_NAMESPACE;
ce2b92e8
YW		 598 r = free_and_strdup_warn(&arg_namespace, optarg + 1);
599 if (r < 0)
600 return r;
6b25db87
LP		 601 } else if (isempty(optarg)) {
602 arg_namespace_flags = 0;
ce2b92e8 603 arg_namespace = mfree(arg_namespace);
6b25db87
LP		 604 } else {
605 arg_namespace_flags = 0;
ce2b92e8
YW		 606 r = free_and_strdup_warn(&arg_namespace, optarg);
607 if (r < 0)
608 return r;
6b25db87 609 }
6b25db87
LP		 610 break;
611
68f66a17
FS		 612 case ARG_LIST_NAMESPACES:
613 arg_action = ACTION_LIST_NAMESPACES;
614 break;
615
a963990f 616 case 'D':
ce2b92e8
YW		 617 r = free_and_strdup_warn(&arg_directory, optarg);
618 if (r < 0)
619 return r;
a963990f
LP		 620 break;
621
dde54b8a 622 case 'i':
5d1ce257
LP		 623 if (streq(optarg, "-"))
624 /* An undocumented feature: we can read journal files from STDIN. We don't document
625 * this though, since after all we only support this for mmap-able, seekable files, and
7227dd81 626 * not for example pipes which are probably the primary use case for reading things from
5d1ce257
LP		 627 * STDIN. To avoid confusion we hence don't document this feature. */
628 arg_file_stdin = true;
629 else {
544e146b 630 r = glob_extend(&arg_file, optarg, GLOB_NOCHECK);
5d1ce257
LP		 631 if (r < 0)
632 return log_error_errno(r, "Failed to add paths: %m");
633 }
8d98da3f
ZJS		 634 break;
635
13cbf3a5 636 case ARG_ROOT:
614b022c 637 r = parse_path_argument(optarg, /* suppress_root= */ true, &arg_root);
cc171228
LP		 638 if (r < 0)
639 return r;
640 break;
641
642 case ARG_IMAGE:
614b022c 643 r = parse_path_argument(optarg, /* suppress_root= */ false, &arg_image);
0f03c2a4
LP		 644 if (r < 0)
645 return r;
13cbf3a5
ZJS		 646 break;
647
06e78680
YW		 648 case ARG_IMAGE_POLICY:
649 r = parse_image_policy_argument(optarg, &arg_image_policy);
650 if (r < 0)
651 return r;
652 break;
653
8f14c832 654 case 'c':
ce2b92e8
YW		 655 r = free_and_strdup_warn(&arg_cursor, optarg);
656 if (r < 0)
657 return r;
8f14c832
LP		 658 break;
659
d9e15cbd 660 case ARG_CURSOR_FILE:
ce2b92e8
YW		 661 r = free_and_strdup_warn(&arg_cursor_file, optarg);
662 if (r < 0)
663 return r;
d9e15cbd
JS		 664 break;
665
248fc619 666 case ARG_AFTER_CURSOR:
ce2b92e8
YW		 667 r = free_and_strdup_warn(&arg_after_cursor, optarg);
668 if (r < 0)
669 return r;
248fc619
ZJS		 670 break;
671
672 case ARG_SHOW_CURSOR:
673 arg_show_cursor = true;
674 break;
675
dca6219e 676 case ARG_HEADER:
7560fffc
LP		 677 arg_action = ACTION_PRINT_HEADER;
678 break;
679
feb12d3e
LP		 680 case ARG_VERIFY:
681 arg_action = ACTION_VERIFY;
682 break;
683
a1a03e30
LP		 684 case ARG_DISK_USAGE:
685 arg_action = ACTION_DISK_USAGE;
686 break;
687
dbd2a83f
LP		 688 case ARG_VACUUM_SIZE:
689 r = parse_size(optarg, 1024, &arg_vacuum_size);
0491150b
LP		 690 if (r < 0)
691 return log_error_errno(r, "Failed to parse vacuum size: %s", optarg);
dbd2a83f 692
8df64fd0 693 arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM;
dbd2a83f
LP		 694 break;
695
8580d1f7
LP		 696 case ARG_VACUUM_FILES:
697 r = safe_atou64(optarg, &arg_vacuum_n_files);
0491150b
LP		 698 if (r < 0)
699 return log_error_errno(r, "Failed to parse vacuum files: %s", optarg);
8580d1f7 700
8df64fd0 701 arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM;
8580d1f7
LP		 702 break;
703
dbd2a83f
LP		 704 case ARG_VACUUM_TIME:
705 r = parse_sec(optarg, &arg_vacuum_time);
0491150b
LP		 706 if (r < 0)
707 return log_error_errno(r, "Failed to parse vacuum time: %s", optarg);
dbd2a83f 708
8df64fd0 709 arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM;
dbd2a83f
LP		 710 break;
711
349cc4a5 712#if HAVE_GCRYPT
b8547c10
SL		 713 case ARG_FORCE:
714 arg_force = true;
715 break;
716
7560fffc
LP		 717 case ARG_SETUP_KEYS:
718 arg_action = ACTION_SETUP_KEYS;
dca6219e
LP		 719 break;
720
baed47c3 721 case ARG_VERIFY_KEY:
d0ad4e88
YW		 722 erase_and_free(arg_verify_key);
723 arg_verify_key = strdup(optarg);
724 if (!arg_verify_key)
725 return log_oom();
726
309c6b19 727 /* Use memset not explicit_bzero() or similar so this doesn't look confusing
1075122f
ZJS		 728 * in ps or htop output. */
729 memset(optarg, 'x', strlen(optarg));
e50412ef 730
0491150b 731 arg_action = ACTION_VERIFY;
e50412ef 732 arg_merge = false;
4da416aa
LP		 733 break;
734
baed47c3 735 case ARG_INTERVAL:
7f602784 736 r = parse_sec(optarg, &arg_interval);
0491150b
LP		 737 if (r < 0 || arg_interval <= 0)
738 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
739 "Failed to parse sealing key change interval: %s", optarg);
14d10188 740 break;
feb12d3e
LP		 741#else
742 case ARG_SETUP_KEYS:
743 case ARG_VERIFY_KEY:
744 case ARG_INTERVAL:
b8547c10 745 case ARG_FORCE:
0491150b
LP		 746 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
747 "Compiled without forward-secure sealing support.");
feb12d3e 748#endif
14d10188 749
941e990d
LP		 750 case 'p': {
751 const char *dots;
752
753 dots = strstr(optarg, "..");
754 if (dots) {
e7238caf 755 _cleanup_free_ char *a = NULL;
941e990d
LP		 756 int from, to, i;
757
758 /* a range */
759 a = strndup(optarg, dots - optarg);
760 if (!a)
761 return log_oom();
762
763 from = log_level_from_string(a);
764 to = log_level_from_string(dots + 2);
941e990d 765
0491150b 766 if (from < 0 || to < 0)
7211c853 767 return log_error_errno(from < 0 ? from : to,
0491150b 768 "Failed to parse log level range %s", optarg);
941e990d
LP		 769
770 arg_priorities = 0;
771
772 if (from < to) {
773 for (i = from; i <= to; i++)
774 arg_priorities |= 1 << i;
775 } else {
776 for (i = to; i <= from; i++)
777 arg_priorities |= 1 << i;
778 }
779
780 } else {
781 int p, i;
782
783 p = log_level_from_string(optarg);
0491150b 784 if (p < 0)
7211c853 785 return log_error_errno(p, "Unknown log level %s", optarg);
941e990d
LP		 786
787 arg_priorities = 0;
788
789 for (i = 0; i <= p; i++)
790 arg_priorities |= 1 << i;
791 }
792
793 break;
794 }
795
196dedd5
ZJS		 796 case ARG_FACILITY: {
797 const char *p;
798
799 for (p = optarg;;) {
800 _cleanup_free_ char *fac = NULL;
801 int num;
802
803 r = extract_first_word(&p, &fac, ",", 0);
804 if (r < 0)
805 return log_error_errno(r, "Failed to parse facilities: %s", optarg);
806 if (r == 0)
807 break;
808
809 if (streq(fac, "help")) {
810 help_facilities();
811 return 0;
812 }
813
814 num = log_facility_unshifted_from_string(fac);
815 if (num < 0)
7211c853 816 return log_error_errno(num, "Bad --facility= argument \"%s\".", fac);
196dedd5 817
de7fef4b 818 if (set_ensure_put(&arg_facilities, NULL, INT_TO_PTR(num)) < 0)
196dedd5
ZJS		 819 return log_oom();
820 }
821
822 break;
823 }
824
61c5f8a1 825 case 'g':
ce2b92e8
YW		 826 r = free_and_strdup_warn(&arg_pattern, optarg);
827 if (r < 0)
828 return r;
6becf48c 829 break;
6becf48c 830
61c5f8a1
ZJS		 831 case ARG_CASE_SENSITIVE:
832 if (optarg) {
833 r = parse_boolean(optarg);
834 if (r < 0)
835 return log_error_errno(r, "Bad --case-sensitive= argument \"%s\": %m", optarg);
75db32dc 836 arg_case = r ? PATTERN_COMPILE_CASE_SENSITIVE : PATTERN_COMPILE_CASE_INSENSITIVE;
61c5f8a1 837 } else
75db32dc 838 arg_case = PATTERN_COMPILE_CASE_SENSITIVE;
61c5f8a1
ZJS		 839
840 break;
6becf48c 841
66f52924 842 case 'S':
cfbc22ab 843 r = parse_timestamp(optarg, &arg_since);
0491150b
LP		 844 if (r < 0)
845 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
846 "Failed to parse timestamp: %s", optarg);
cfbc22ab
LP		 847 arg_since_set = true;
848 break;
849
66f52924 850 case 'U':
cfbc22ab 851 r = parse_timestamp(optarg, &arg_until);
0491150b
LP		 852 if (r < 0)
853 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
854 "Failed to parse timestamp: %s", optarg);
cfbc22ab
LP		 855 arg_until_set = true;
856 break;
857
73083640
HH		 858 case 't':
859 r = strv_extend(&arg_syslog_identifier, optarg);
860 if (r < 0)
861 return log_oom();
862 break;
863
25aa35d4
SZ		 864 case 'T':
865 r = strv_extend(&arg_exclude_identifier, optarg);
866 if (r < 0)
867 return log_oom();
868 break;
869
7199aa96 870 case 'u':
b9e40524
HH		 871 r = strv_extend(&arg_system_units, optarg);
872 if (r < 0)
873 return log_oom();
ffa7cd15
DW		 874 break;
875
7199aa96 876 case ARG_USER_UNIT:
b9e40524
HH		 877 r = strv_extend(&arg_user_units, optarg);
878 if (r < 0)
879 return log_oom();
c3f60ec5
LP		 880 break;
881
7d3ae6b2
YW		 882 case ARG_INVOCATION:
883 r = parse_id_descriptor(optarg, &arg_invocation_id, &arg_invocation_offset);
884 if (r < 0)
885 return log_error_errno(r, "Failed to parse invocation descriptor: %s", optarg);
886 arg_invocation = r;
887 break;
888
889 case 'I':
890 /* Equivalent to --invocation=0 */
891 arg_invocation = true;
892 arg_invocation_id = SD_ID128_NULL;
893 arg_invocation_offset = 0;
894 break;
895
15119c16 896 case 'F':
69e714f3 897 arg_action = ACTION_LIST_FIELDS;
ce2b92e8
YW		 898 r = free_and_strdup_warn(&arg_field, optarg);
899 if (r < 0)
900 return r;
15119c16
LP		 901 break;
902
69e714f3
LP		 903 case 'N':
904 arg_action = ACTION_LIST_FIELD_NAMES;
905 break;
906
86048cce 907 case 'W':
991e274b
LP		 908 arg_no_hostname = true;
909 break;
910
d4205751
LP		 911 case 'x':
912 arg_catalog = true;
913 break;
914
915 case ARG_LIST_CATALOG:
916 arg_action = ACTION_LIST_CATALOG;
917 break;
918
54b7254c
ZJS		 919 case ARG_DUMP_CATALOG:
920 arg_action = ACTION_DUMP_CATALOG;
921 break;
922
d4205751
LP		 923 case ARG_UPDATE_CATALOG:
924 arg_action = ACTION_UPDATE_CATALOG;
925 break;
926
d89d6c86
LN		 927 case 'r':
928 arg_reverse = true;
929 break;
930
9fd29044
JS		 931 case ARG_UTC:
932 arg_utc = true;
933 break;
934
74055aa7
LP		 935 case ARG_FLUSH:
936 arg_action = ACTION_FLUSH;
937 break;
938
c0dfcb31
LP		 939 case ARG_SMART_RELINQUISH_VAR: {
940 int root_mnt_id, log_mnt_id;
941
942 /* Try to be smart about relinquishing access to /var/log/journal/ during shutdown:
943 * if it's on the same mount as the root file system there's no point in
944 * relinquishing access and we can leave journald write to it until the very last
945 * moment. */
946
947 r = path_get_mnt_id("/", &root_mnt_id);
948 if (r < 0)
949 log_debug_errno(r, "Failed to get root mount ID, ignoring: %m");
950 else {
951 r = path_get_mnt_id("/var/log/journal/", &log_mnt_id);
952 if (r < 0)
953 log_debug_errno(r, "Failed to get journal directory mount ID, ignoring: %m");
954 else if (root_mnt_id == log_mnt_id) {
955 log_debug("/var/log/journal/ is on root file system, not relinquishing access to /var.");
956 return 0;
957 } else
958 log_debug("/var/log/journal/ is not on the root file system, relinquishing access to it.");
959 }
960
961 _fallthrough_;
962 }
963
964 case ARG_RELINQUISH_VAR:
965 arg_action = ACTION_RELINQUISH_VAR;
966 break;
967
e3fdfb49 968 case ARG_ROTATE:
8df64fd0 969 arg_action = arg_action == ACTION_VACUUM ? ACTION_ROTATE_AND_VACUUM : ACTION_ROTATE;
e3fdfb49
EV		 970 break;
971
94b65516
LP		 972 case ARG_SYNC:
973 arg_action = ACTION_SYNC;
974 break;
975
cc25a67e
LK		 976 case ARG_OUTPUT_FIELDS: {
977 _cleanup_strv_free_ char **v = NULL;
978
979 v = strv_split(optarg, ",");
980 if (!v)
981 return log_oom();
982
c5da14cd
LP		 983 r = set_put_strdupv(&arg_output_fields, v);
984 if (r < 0)
985 return log_oom();
986
cc25a67e
LK		 987 break;
988 }
d2f45c76
LP		 989
990 case ARG_SYNCHRONIZE_ON_EXIT:
991 r = parse_boolean_argument("--synchronize-on-exit", optarg, &arg_synchronize_on_exit);
992 if (r < 0)
993 return r;
994
995 break;
996
eb9da376 997 case '?':
0d43c694 998 return -EINVAL;
eb9da376
LP		 999
1000 default:
04499a70 1001 assert_not_reached();
0d43c694 1002 }
0d43c694 1003
3f2203f6
YW		 1004 if (arg_no_tail)
1005 arg_lines = ARG_LINES_ALL;
1006
f8bfe16b
YW		 1007 if (arg_lines == ARG_LINES_DEFAULT) {
1008 if (arg_follow && !arg_since_set)
1009 arg_lines = 10;
1010 else if (FLAGS_SET(arg_pager_flags, PAGER_JUMP_TO_END))
1011 arg_lines = 1000;
1012 }
e91af489 1013
f8bfe16b
YW		 1014 if (arg_boot < 0)
1015 /* Show the current boot if -f/--follow, -k/--dmesg, or -e/--pager-end is specified unless
1016 * -m/--merge is specified. */
1017 arg_boot = !arg_merge && (arg_follow || arg_dmesg || FLAGS_SET(arg_pager_flags, PAGER_JUMP_TO_END));
1018 if (!arg_boot) {
1019 /* Clear the boot ID and offset if -b/--boot is unspecified for safety. */
e47622a6
FS		 1020 arg_boot_id = SD_ID128_NULL;
1021 arg_boot_offset = 0;
1022 }
1023
821bf13b 1024 if (!!arg_directory + !!arg_file + arg_file_stdin + !!arg_machine + !!arg_root + !!arg_image > 1)
d7a0f1f4
FS		 1025 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1026 "Please specify at most one of -D/--directory=, --file=, -M/--machine=, --root=, --image=.");
8d98da3f 1027
d7a0f1f4
FS		 1028 if (arg_since_set && arg_until_set && arg_since > arg_until)
1029 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1030 "--since= must be before --until=.");
cfbc22ab 1031
159d1e26 1032 if (!!arg_cursor + !!arg_after_cursor + !!arg_cursor_file + !!arg_since_set > 1)
d7a0f1f4 1033 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
159d1e26 1034 "Please specify only one of --since=, --cursor=, --cursor-file=, and --after-cursor=.");
cfbc22ab 1035
d7a0f1f4
FS		 1036 if (arg_follow && arg_reverse)
1037 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8d6791d2
MY		 1038 "Please specify either --reverse or --follow, not both.");
1039
d0936a72 1040 if (arg_action == ACTION_SHOW && arg_lines >= 0 && arg_lines_oldest && (arg_reverse || arg_follow))
8d6791d2
MY		 1041 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1042 "--lines=+N is unsupported when --reverse or --follow is specified.");
d89d6c86 1043
d7a0f1f4
FS		 1044 if (!IN_SET(arg_action, ACTION_SHOW, ACTION_DUMP_CATALOG, ACTION_LIST_CATALOG) && optind < argc)
1045 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1046 "Extraneous arguments starting with '%s'",
1047 argv[optind]);
0b6b7c20 1048
d7a0f1f4
FS		 1049 if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && arg_merge)
1050 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1051 "Using --boot or --list-boots with --merge is not supported.");
596a2329 1052
e79d0b59 1053 if (!strv_isempty(arg_system_units) && arg_journal_type == SD_JOURNAL_CURRENT_USER) {
52051dd8
LP		 1054 /* Specifying --user and --unit= at the same time makes no sense (as the former excludes the user
1055 * journal, but the latter excludes the system journal, thus resulting in empty output). Let's be nice
1056 * to users, and automatically turn --unit= into --user-unit= if combined with --user. */
1057 r = strv_extend_strv(&arg_user_units, arg_system_units, true);
1058 if (r < 0)
e50412ef 1059 return r;
52051dd8
LP		 1060
1061 arg_system_units = strv_free(arg_system_units);
1062 }
1063
61c5f8a1 1064 if (arg_pattern) {
75db32dc 1065 r = pattern_compile_and_log(arg_pattern, arg_case, &arg_compiled_pattern);
61c5f8a1
ZJS		 1066 if (r < 0)
1067 return r;
db469196 1068
8d6791d2
MY		 1069 /* When --grep is used along with --lines without '+', i.e. when we start from the end of the
1070 * journal, we don't know how many lines we can print. So we search backwards and count until
1071 * enough lines have been printed or we hit the head.
c673fd52
MY		 1072 * An exception is that --follow might set arg_lines, so let's not imply --reverse
1073 * if that is specified. */
8d6791d2 1074 if (arg_lines_needs_seek_end() && !arg_follow)
db469196 1075 arg_reverse = true;
61c5f8a1 1076 }
61c5f8a1 1077
f7f062bf
YW		 1078 if (!arg_follow)
1079 arg_journal_additional_open_flags = SD_JOURNAL_ASSUME_IMMUTABLE;
1080
0d43c694
LP		 1081 return 1;
1082}
1083
ade2db83
YW		 1084static int run(int argc, char *argv[]) {
1085 _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
1086 _cleanup_(umount_and_freep) char *mounted_dir = NULL;
ce2b92e8 1087 _cleanup_strv_free_ char **args = NULL;
c3f60ec5 1088 int r;
ea18a4b5 1089
ade2db83
YW		 1090 setlocale(LC_ALL, "");
1091 log_setup();
ea18a4b5 1092
ade2db83
YW		 1093 r = parse_argv(argc, argv);
1094 if (r <= 0)
1095 return r;
ea18a4b5 1096
ce2b92e8
YW		 1097 r = strv_copy_unless_empty(strv_skip(argv, optind), &args);
1098 if (r < 0)
1099 return log_oom();
ea18a4b5 1100
ade2db83
YW		 1101 if (arg_image) {
1102 assert(!arg_root);
ea18a4b5 1103
ade2db83
YW		 1104 r = mount_image_privately_interactively(
1105 arg_image,
1106 arg_image_policy,
1107 DISSECT_IMAGE_GENERIC_ROOT |
1108 DISSECT_IMAGE_REQUIRE_ROOT |
1109 DISSECT_IMAGE_VALIDATE_OS |
1110 DISSECT_IMAGE_RELAX_VAR_CHECK |
1111 (arg_action == ACTION_UPDATE_CATALOG ? DISSECT_IMAGE_FSCK|DISSECT_IMAGE_GROWFS : DISSECT_IMAGE_READ_ONLY) |
1112 DISSECT_IMAGE_ALLOW_USERSPACE_VERITY,
1113 &mounted_dir,
1114 /* ret_dir_fd= */ NULL,
1115 &loop_device);
b9e40524
HH		 1116 if (r < 0)
1117 return r;
ea18a4b5 1118
ade2db83
YW		 1119 arg_root = strdup(mounted_dir);
1120 if (!arg_root)
1121 return log_oom();
b9e40524 1122 }
c3f60ec5 1123
ade2db83 1124 switch (arg_action) {
ea18a4b5 1125
ade2db83
YW		 1126 case ACTION_SHOW:
1127 return action_show(args);
ea18a4b5 1128
ade2db83
YW		 1129 case ACTION_NEW_ID128:
1130 return id128_print_new(ID128_PRINT_PRETTY);
c3f60ec5 1131
ade2db83
YW		 1132 case ACTION_SETUP_KEYS:
1133 return action_setup_keys();
ea18a4b5 1134
ade2db83
YW		 1135 case ACTION_LIST_CATALOG:
1136 case ACTION_DUMP_CATALOG:
1137 return action_list_catalog(args);
b9e40524 1138
ade2db83
YW		 1139 case ACTION_UPDATE_CATALOG:
1140 return action_update_catalog();
b9e40524 1141
ade2db83
YW		 1142 case ACTION_PRINT_HEADER:
1143 return action_print_header();
c3f60ec5 1144
ade2db83
YW		 1145 case ACTION_VERIFY:
1146 return action_verify();
ea18a4b5 1147
ade2db83
YW		 1148 case ACTION_DISK_USAGE:
1149 return action_disk_usage();
cd34b3c6 1150
ade2db83
YW		 1151 case ACTION_LIST_BOOTS:
1152 return action_list_boots();
c3f60ec5 1153
ade2db83
YW		 1154 case ACTION_LIST_FIELDS:
1155 return action_list_fields();
941e990d 1156
ade2db83
YW		 1157 case ACTION_LIST_FIELD_NAMES:
1158 return action_list_field_names();
941e990d 1159
7d3ae6b2
YW		 1160 case ACTION_LIST_INVOCATIONS:
1161 return action_list_invocations();
1162
ade2db83
YW		 1163 case ACTION_LIST_NAMESPACES:
1164 return action_list_namespaces();
941e990d 1165
ade2db83
YW		 1166 case ACTION_FLUSH:
1167 return action_flush_to_var();
941e990d 1168
ade2db83
YW		 1169 case ACTION_RELINQUISH_VAR:
1170 return action_relinquish_var();
cd34b3c6 1171
ade2db83
YW		 1172 case ACTION_SYNC:
1173 return action_sync();
941e990d 1174
ade2db83
YW		 1175 case ACTION_ROTATE:
1176 return action_rotate();
196dedd5 1177
ade2db83
YW		 1178 case ACTION_VACUUM:
1179 return action_vacuum();
196dedd5 1180
ade2db83
YW		 1181 case ACTION_ROTATE_AND_VACUUM:
1182 return action_rotate_and_vacuum();
196dedd5 1183
ade2db83
YW		 1184 default:
1185 assert_not_reached();
196dedd5 1186 }
87d2c1ff 1187}
9556e79b 1188
39009772 1189DEFINE_MAIN_FUNCTION(run);
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