]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
87d2c1ff | 2 | |
3f6fd1ba | 3 | #include <errno.h> |
87d2c1ff | 4 | #include <fcntl.h> |
ea18a4b5 | 5 | #include <fnmatch.h> |
3f6fd1ba LP |
6 | #include <getopt.h> |
7 | #include <linux/fs.h> | |
8 | #include <locale.h> | |
9 | #include <poll.h> | |
10 | #include <signal.h> | |
87d2c1ff | 11 | #include <stddef.h> |
3fbf9cbb | 12 | #include <stdio.h> |
3fbf9cbb | 13 | #include <stdlib.h> |
3f6fd1ba | 14 | #include <string.h> |
74055aa7 | 15 | #include <sys/inotify.h> |
3f6fd1ba LP |
16 | #include <sys/stat.h> |
17 | #include <unistd.h> | |
87d2c1ff | 18 | |
6becf48c ZJS |
19 | #if HAVE_PCRE2 |
20 | # define PCRE2_CODE_UNIT_WIDTH 8 | |
21 | # include <pcre2.h> | |
22 | #endif | |
23 | ||
74055aa7 | 24 | #include "sd-bus.h" |
8bebb09c | 25 | #include "sd-device.h" |
3f6fd1ba LP |
26 | #include "sd-journal.h" |
27 | ||
f8eeeaf9 | 28 | #include "acl-util.h" |
b5efdb8a | 29 | #include "alloc-util.h" |
3f6fd1ba LP |
30 | #include "bus-error.h" |
31 | #include "bus-util.h" | |
32 | #include "catalog.h" | |
c8b3094d | 33 | #include "chattr-util.h" |
1abaf488 | 34 | #include "def.h" |
8bebb09c | 35 | #include "device-private.h" |
3ffd4af2 | 36 | #include "fd-util.h" |
68fee104 | 37 | #include "fileio.h" |
aa892669 | 38 | #include "format-util.h" |
f4f15635 | 39 | #include "fs-util.h" |
3f6fd1ba | 40 | #include "fsprg.h" |
7d50b32a | 41 | #include "glob-util.h" |
3f6fd1ba | 42 | #include "hostname-util.h" |
ff7dad48 | 43 | #include "id128-print.h" |
c004493c | 44 | #include "io-util.h" |
7560fffc | 45 | #include "journal-def.h" |
3f6fd1ba | 46 | #include "journal-internal.h" |
f6a971bc | 47 | #include "journal-qrcode.h" |
4f37cbd9 | 48 | #include "journal-util.h" |
dbd2a83f | 49 | #include "journal-vacuum.h" |
3f6fd1ba | 50 | #include "journal-verify.h" |
8752c575 | 51 | #include "locale-util.h" |
3f6fd1ba LP |
52 | #include "log.h" |
53 | #include "logs-show.h" | |
0a970718 | 54 | #include "memory-util.h" |
74055aa7 | 55 | #include "mkdir.h" |
c0dfcb31 | 56 | #include "mountpoint-util.h" |
d8b4d14d | 57 | #include "nulstr-util.h" |
3f6fd1ba | 58 | #include "pager.h" |
6bedfcbb | 59 | #include "parse-util.h" |
3f6fd1ba | 60 | #include "path-util.h" |
294bf0c3 | 61 | #include "pretty-print.h" |
78f22b97 | 62 | #include "rlimit-util.h" |
3f6fd1ba LP |
63 | #include "set.h" |
64 | #include "sigbus.h" | |
5c828e66 | 65 | #include "string-table.h" |
3f6fd1ba | 66 | #include "strv.h" |
7ccbd1ae | 67 | #include "syslog-util.h" |
288a74cc | 68 | #include "terminal-util.h" |
e4de7287 | 69 | #include "tmpfile-util.h" |
3f6fd1ba | 70 | #include "unit-name.h" |
b1d4f8e1 | 71 | #include "user-util.h" |
4f413af2 | 72 | #include "varlink.h" |
7560fffc | 73 | |
baed47c3 | 74 | #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) |
250d54b5 | 75 | |
ec316d19 PP |
76 | #define PROCESS_INOTIFY_INTERVAL 1024 /* Every 1,024 messages processed */ |
77 | ||
6becf48c ZJS |
78 | #if HAVE_PCRE2 |
79 | DEFINE_TRIVIAL_CLEANUP_FUNC(pcre2_match_data*, pcre2_match_data_free); | |
61c5f8a1 | 80 | DEFINE_TRIVIAL_CLEANUP_FUNC(pcre2_code*, pcre2_code_free); |
6becf48c ZJS |
81 | |
82 | static int pattern_compile(const char *pattern, unsigned flags, pcre2_code **out) { | |
83 | int errorcode, r; | |
84 | PCRE2_SIZE erroroffset; | |
85 | pcre2_code *p; | |
86 | ||
87 | p = pcre2_compile((PCRE2_SPTR8) pattern, | |
88 | PCRE2_ZERO_TERMINATED, flags, &errorcode, &erroroffset, NULL); | |
89 | if (!p) { | |
90 | unsigned char buf[LINE_MAX]; | |
91 | ||
92 | r = pcre2_get_error_message(errorcode, buf, sizeof buf); | |
93 | ||
baaa35ad ZJS |
94 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
95 | "Bad pattern \"%s\": %s", pattern, | |
96 | r < 0 ? "unknown error" : (char *)buf); | |
6becf48c ZJS |
97 | } |
98 | ||
99 | *out = p; | |
100 | return 0; | |
101 | } | |
102 | ||
103 | #endif | |
104 | ||
97e1cc8b LP |
105 | enum { |
106 | /* Special values for arg_lines */ | |
107 | ARG_LINES_DEFAULT = -2, | |
108 | ARG_LINES_ALL = -1, | |
109 | }; | |
110 | ||
df50185b | 111 | static OutputMode arg_output = OUTPUT_SHORT; |
9fd29044 | 112 | static bool arg_utc = false; |
72f59706 | 113 | static bool arg_follow = false; |
2b8f6883 | 114 | static bool arg_full = true; |
cd4b13e0 | 115 | static bool arg_all = false; |
0221d68a | 116 | static PagerFlags arg_pager_flags = 0; |
97e1cc8b | 117 | static int arg_lines = ARG_LINES_DEFAULT; |
e91af489 | 118 | static bool arg_no_tail = false; |
43673799 | 119 | static bool arg_quiet = false; |
9e8a535f | 120 | static bool arg_merge = false; |
d121b396 | 121 | static bool arg_boot = false; |
442e2def LP |
122 | static sd_id128_t arg_boot_id = {}; |
123 | static int arg_boot_offset = 0; | |
99271804 | 124 | static bool arg_dmesg = false; |
991e274b | 125 | static bool arg_no_hostname = false; |
8f14c832 | 126 | static const char *arg_cursor = NULL; |
d9e15cbd | 127 | static const char *arg_cursor_file = NULL; |
248fc619 ZJS |
128 | static const char *arg_after_cursor = NULL; |
129 | static bool arg_show_cursor = false; | |
a963990f | 130 | static const char *arg_directory = NULL; |
8d98da3f | 131 | static char **arg_file = NULL; |
5d1ce257 | 132 | static bool arg_file_stdin = false; |
941e990d | 133 | static int arg_priorities = 0xFF; |
6bae9b2a | 134 | static char *arg_verify_key = NULL; |
349cc4a5 | 135 | #if HAVE_GCRYPT |
baed47c3 | 136 | static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC; |
b8547c10 | 137 | static bool arg_force = false; |
feb12d3e | 138 | #endif |
cfbc22ab LP |
139 | static usec_t arg_since, arg_until; |
140 | static bool arg_since_set = false, arg_until_set = false; | |
73083640 | 141 | static char **arg_syslog_identifier = NULL; |
b9e40524 HH |
142 | static char **arg_system_units = NULL; |
143 | static char **arg_user_units = NULL; | |
3c1668da | 144 | static const char *arg_field = NULL; |
d4205751 | 145 | static bool arg_catalog = false; |
d89d6c86 | 146 | static bool arg_reverse = false; |
3f3a438f | 147 | static int arg_journal_type = 0; |
0f03c2a4 | 148 | static char *arg_root = NULL; |
b6741478 | 149 | static const char *arg_machine = NULL; |
8580d1f7 LP |
150 | static uint64_t arg_vacuum_size = 0; |
151 | static uint64_t arg_vacuum_n_files = 0; | |
152 | static usec_t arg_vacuum_time = 0; | |
cc25a67e | 153 | static char **arg_output_fields = NULL; |
50f20cfd | 154 | |
6becf48c | 155 | #if HAVE_PCRE2 |
61c5f8a1 ZJS |
156 | static const char *arg_pattern = NULL; |
157 | static pcre2_code *arg_compiled_pattern = NULL; | |
158 | static int arg_case_sensitive = -1; /* -1 means be smart */ | |
6becf48c ZJS |
159 | #endif |
160 | ||
7560fffc LP |
161 | static enum { |
162 | ACTION_SHOW, | |
163 | ACTION_NEW_ID128, | |
164 | ACTION_PRINT_HEADER, | |
beec0085 | 165 | ACTION_SETUP_KEYS, |
a1a03e30 LP |
166 | ACTION_VERIFY, |
167 | ACTION_DISK_USAGE, | |
d4205751 | 168 | ACTION_LIST_CATALOG, |
54b7254c | 169 | ACTION_DUMP_CATALOG, |
f1188074 ZJS |
170 | ACTION_UPDATE_CATALOG, |
171 | ACTION_LIST_BOOTS, | |
74055aa7 | 172 | ACTION_FLUSH, |
c0dfcb31 | 173 | ACTION_RELINQUISH_VAR, |
a020b3b3 | 174 | ACTION_SYNC, |
e3fdfb49 | 175 | ACTION_ROTATE, |
dbd2a83f | 176 | ACTION_VACUUM, |
8df64fd0 | 177 | ACTION_ROTATE_AND_VACUUM, |
69e714f3 LP |
178 | ACTION_LIST_FIELDS, |
179 | ACTION_LIST_FIELD_NAMES, | |
7560fffc LP |
180 | } arg_action = ACTION_SHOW; |
181 | ||
45bc27b6 | 182 | typedef struct BootId { |
a331b5e6 | 183 | sd_id128_t id; |
f1188074 ZJS |
184 | uint64_t first; |
185 | uint64_t last; | |
45bc27b6 LP |
186 | LIST_FIELDS(struct BootId, boot_list); |
187 | } BootId; | |
a331b5e6 | 188 | |
795ab08f | 189 | static int add_matches_for_device(sd_journal *j, const char *devpath) { |
8bebb09c YW |
190 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; |
191 | sd_device *d = NULL; | |
795ab08f | 192 | struct stat st; |
e5ca27b7 | 193 | int r; |
795ab08f MS |
194 | |
195 | assert(j); | |
196 | assert(devpath); | |
197 | ||
198 | if (!path_startswith(devpath, "/dev/")) { | |
199 | log_error("Devpath does not start with /dev/"); | |
200 | return -EINVAL; | |
201 | } | |
202 | ||
e5ca27b7 LP |
203 | if (stat(devpath, &st) < 0) |
204 | return log_error_errno(errno, "Couldn't stat file: %m"); | |
795ab08f | 205 | |
8bebb09c | 206 | r = device_new_from_stat_rdev(&device, &st); |
e5ca27b7 | 207 | if (r < 0) |
8bebb09c | 208 | return log_error_errno(r, "Failed to get device from devnum %u:%u: %m", major(st.st_rdev), minor(st.st_rdev)); |
795ab08f | 209 | |
8bebb09c | 210 | for (d = device; d; ) { |
795ab08f MS |
211 | _cleanup_free_ char *match = NULL; |
212 | const char *subsys, *sysname, *devnode; | |
8bebb09c | 213 | sd_device *parent; |
795ab08f | 214 | |
8bebb09c YW |
215 | r = sd_device_get_subsystem(d, &subsys); |
216 | if (r < 0) | |
217 | goto get_parent; | |
795ab08f | 218 | |
8bebb09c YW |
219 | r = sd_device_get_sysname(d, &sysname); |
220 | if (r < 0) | |
221 | goto get_parent; | |
795ab08f | 222 | |
605405c6 | 223 | match = strjoin("_KERNEL_DEVICE=+", subsys, ":", sysname); |
795ab08f MS |
224 | if (!match) |
225 | return log_oom(); | |
226 | ||
227 | r = sd_journal_add_match(j, match, 0); | |
228 | if (r < 0) | |
229 | return log_error_errno(r, "Failed to add match: %m"); | |
230 | ||
8bebb09c | 231 | if (sd_device_get_devname(d, &devnode) >= 0) { |
795ab08f MS |
232 | _cleanup_free_ char *match1 = NULL; |
233 | ||
234 | r = stat(devnode, &st); | |
235 | if (r < 0) | |
236 | return log_error_errno(r, "Failed to stat() device node \"%s\": %m", devnode); | |
237 | ||
238 | r = asprintf(&match1, "_KERNEL_DEVICE=%c%u:%u", S_ISBLK(st.st_mode) ? 'b' : 'c', major(st.st_rdev), minor(st.st_rdev)); | |
239 | if (r < 0) | |
240 | return log_oom(); | |
241 | ||
242 | r = sd_journal_add_match(j, match1, 0); | |
243 | if (r < 0) | |
244 | return log_error_errno(r, "Failed to add match: %m"); | |
245 | } | |
246 | ||
8bebb09c YW |
247 | get_parent: |
248 | if (sd_device_get_parent(d, &parent) < 0) | |
249 | break; | |
250 | ||
251 | d = parent; | |
795ab08f MS |
252 | } |
253 | ||
485fd9a7 MS |
254 | r = add_match_this_boot(j, arg_machine); |
255 | if (r < 0) | |
256 | return log_error_errno(r, "Failed to add match for the current boot: %m"); | |
257 | ||
795ab08f MS |
258 | return 0; |
259 | } | |
260 | ||
5ab99e07 LP |
261 | static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) { |
262 | ||
263 | if (arg_utc) | |
264 | return format_timestamp_utc(buf, l, t); | |
265 | ||
266 | return format_timestamp(buf, l, t); | |
267 | } | |
268 | ||
442e2def LP |
269 | static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) { |
270 | sd_id128_t id = SD_ID128_NULL; | |
271 | int off = 0, r; | |
272 | ||
48904825 | 273 | if (streq(x, "all")) { |
274 | *boot_id = SD_ID128_NULL; | |
275 | *offset = 0; | |
276 | return 0; | |
277 | } else if (strlen(x) >= 32) { | |
442e2def LP |
278 | char *t; |
279 | ||
280 | t = strndupa(x, 32); | |
281 | r = sd_id128_from_string(t, &id); | |
282 | if (r >= 0) | |
283 | x += 32; | |
284 | ||
4c701096 | 285 | if (!IN_SET(*x, 0, '-', '+')) |
442e2def LP |
286 | return -EINVAL; |
287 | ||
288 | if (*x != 0) { | |
289 | r = safe_atoi(x, &off); | |
290 | if (r < 0) | |
291 | return r; | |
292 | } | |
293 | } else { | |
294 | r = safe_atoi(x, &off); | |
295 | if (r < 0) | |
296 | return r; | |
297 | } | |
298 | ||
299 | if (boot_id) | |
300 | *boot_id = id; | |
301 | ||
302 | if (offset) | |
303 | *offset = off; | |
304 | ||
48904825 | 305 | return 1; |
442e2def LP |
306 | } |
307 | ||
37ec0fdd LP |
308 | static int help(void) { |
309 | _cleanup_free_ char *link = NULL; | |
310 | int r; | |
0d43c694 | 311 | |
0221d68a | 312 | (void) pager_open(arg_pager_flags); |
faf5077f | 313 | |
37ec0fdd LP |
314 | r = terminal_urlify_man("journalctl", "1", &link); |
315 | if (r < 0) | |
316 | return log_oom(); | |
317 | ||
cd4b13e0 | 318 | printf("%s [OPTIONS...] [MATCHES...]\n\n" |
15119c16 | 319 | "Query the journal.\n\n" |
94b65516 | 320 | "Options:\n" |
61c5f8a1 ZJS |
321 | " --system Show the system journal\n" |
322 | " --user Show the user journal for the current user\n" | |
323 | " -M --machine=CONTAINER Operate on local container\n" | |
324 | " -S --since=DATE Show entries not older than the specified date\n" | |
325 | " -U --until=DATE Show entries not newer than the specified date\n" | |
326 | " -c --cursor=CURSOR Show entries starting at the specified cursor\n" | |
327 | " --after-cursor=CURSOR Show entries after the specified cursor\n" | |
328 | " --show-cursor Print the cursor after all the entries\n" | |
d9e15cbd | 329 | " --cursor-file=FILE Show entries after cursor in FILE and update FILE\n" |
61c5f8a1 ZJS |
330 | " -b --boot[=ID] Show current boot or the specified boot\n" |
331 | " --list-boots Show terse information about recorded boots\n" | |
332 | " -k --dmesg Show kernel message log from the current boot\n" | |
333 | " -u --unit=UNIT Show logs from the specified unit\n" | |
334 | " --user-unit=UNIT Show logs from the specified user unit\n" | |
335 | " -t --identifier=STRING Show entries with the specified syslog identifier\n" | |
336 | " -p --priority=RANGE Show entries with the specified priority\n" | |
fabf4dae | 337 | " -g --grep=PATTERN Show entries with MESSAGE matching PATTERN\n" |
61c5f8a1 ZJS |
338 | " --case-sensitive[=BOOL] Force case sensitive or insenstive matching\n" |
339 | " -e --pager-end Immediately jump to the end in the pager\n" | |
340 | " -f --follow Follow the journal\n" | |
341 | " -n --lines[=INTEGER] Number of journal entries to show\n" | |
342 | " --no-tail Show all lines, even in follow mode\n" | |
343 | " -r --reverse Show the newest entries first\n" | |
344 | " -o --output=STRING Change journal output mode (short, short-precise,\n" | |
345 | " short-iso, short-iso-precise, short-full,\n" | |
346 | " short-monotonic, short-unix, verbose, export,\n" | |
8e044443 LP |
347 | " json, json-pretty, json-sse, json-seq, cat,\n" |
348 | " with-unit)\n" | |
61c5f8a1 ZJS |
349 | " --output-fields=LIST Select fields to print in verbose/export/json modes\n" |
350 | " --utc Express time in Coordinated Universal Time (UTC)\n" | |
351 | " -x --catalog Add message explanations where available\n" | |
352 | " --no-full Ellipsize fields\n" | |
353 | " -a --all Show all fields, including long and unprintable\n" | |
354 | " -q --quiet Do not show info messages and privilege warning\n" | |
355 | " --no-pager Do not pipe output into a pager\n" | |
356 | " --no-hostname Suppress output of hostname field\n" | |
357 | " -m --merge Show entries from all available journals\n" | |
358 | " -D --directory=PATH Show journal files from directory\n" | |
359 | " --file=PATH Show journal file\n" | |
360 | " --root=ROOT Operate on files below a root directory\n" | |
61c5f8a1 ZJS |
361 | " --interval=TIME Time interval for changing the FSS sealing key\n" |
362 | " --verify-key=KEY Specify FSS verification key\n" | |
363 | " --force Override of the FSS key pair with --setup-keys\n" | |
15119c16 | 364 | "\nCommands:\n" |
61c5f8a1 ZJS |
365 | " -h --help Show this help text\n" |
366 | " --version Show package version\n" | |
367 | " -N --fields List all field names currently used\n" | |
368 | " -F --field=FIELD List all values that a specified field takes\n" | |
369 | " --disk-usage Show total disk usage of all journal files\n" | |
370 | " --vacuum-size=BYTES Reduce disk usage below specified size\n" | |
371 | " --vacuum-files=INT Leave only the specified number of journal files\n" | |
372 | " --vacuum-time=TIME Remove journal files older than specified time\n" | |
373 | " --verify Verify journal file consistency\n" | |
374 | " --sync Synchronize unwritten journal messages to disk\n" | |
c0dfcb31 LP |
375 | " --relinquish-var Stop logging to disk, log to temporary file system\n" |
376 | " --smart-relinquish-var Similar, but NOP if log directory is on root mount\n" | |
61c5f8a1 ZJS |
377 | " --flush Flush all journal data from /run into /var\n" |
378 | " --rotate Request immediate rotation of the journal files\n" | |
379 | " --header Show journal header information\n" | |
380 | " --list-catalog Show all message IDs in the catalog\n" | |
381 | " --dump-catalog Show entries in the message catalog\n" | |
382 | " --update-catalog Update the message catalog database\n" | |
61c5f8a1 | 383 | " --setup-keys Generate a new FSS key pair\n" |
37ec0fdd LP |
384 | "\nSee the %s for details.\n" |
385 | , program_invocation_short_name | |
386 | , link | |
387 | ); | |
388 | ||
389 | return 0; | |
0d43c694 LP |
390 | } |
391 | ||
392 | static int parse_argv(int argc, char *argv[]) { | |
393 | ||
394 | enum { | |
395 | ARG_VERSION = 0x100, | |
e91af489 | 396 | ARG_NO_PAGER, |
2b8f6883 | 397 | ARG_NO_FULL, |
55ee336c | 398 | ARG_NO_TAIL, |
dca6219e | 399 | ARG_NEW_ID128, |
8453f062 | 400 | ARG_THIS_BOOT, |
f1188074 | 401 | ARG_LIST_BOOTS, |
3f3a438f ZJS |
402 | ARG_USER, |
403 | ARG_SYSTEM, | |
13cbf3a5 | 404 | ARG_ROOT, |
7560fffc | 405 | ARG_HEADER, |
beec0085 | 406 | ARG_SETUP_KEYS, |
8d98da3f | 407 | ARG_FILE, |
baed47c3 | 408 | ARG_INTERVAL, |
4da416aa | 409 | ARG_VERIFY, |
a1a03e30 | 410 | ARG_VERIFY_KEY, |
cfbc22ab | 411 | ARG_DISK_USAGE, |
248fc619 | 412 | ARG_AFTER_CURSOR, |
d9e15cbd | 413 | ARG_CURSOR_FILE, |
248fc619 | 414 | ARG_SHOW_CURSOR, |
ffa7cd15 | 415 | ARG_USER_UNIT, |
d4205751 | 416 | ARG_LIST_CATALOG, |
54b7254c | 417 | ARG_DUMP_CATALOG, |
3f3a438f | 418 | ARG_UPDATE_CATALOG, |
b8547c10 | 419 | ARG_FORCE, |
61c5f8a1 | 420 | ARG_CASE_SENSITIVE, |
9fd29044 | 421 | ARG_UTC, |
94b65516 | 422 | ARG_SYNC, |
74055aa7 | 423 | ARG_FLUSH, |
c0dfcb31 LP |
424 | ARG_RELINQUISH_VAR, |
425 | ARG_SMART_RELINQUISH_VAR, | |
e3fdfb49 | 426 | ARG_ROTATE, |
dbd2a83f | 427 | ARG_VACUUM_SIZE, |
8580d1f7 | 428 | ARG_VACUUM_FILES, |
dbd2a83f | 429 | ARG_VACUUM_TIME, |
991e274b | 430 | ARG_NO_HOSTNAME, |
cc25a67e | 431 | ARG_OUTPUT_FIELDS, |
0d43c694 LP |
432 | }; |
433 | ||
434 | static const struct option options[] = { | |
c0dfcb31 LP |
435 | { "help", no_argument, NULL, 'h' }, |
436 | { "version" , no_argument, NULL, ARG_VERSION }, | |
437 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
438 | { "pager-end", no_argument, NULL, 'e' }, | |
439 | { "follow", no_argument, NULL, 'f' }, | |
440 | { "force", no_argument, NULL, ARG_FORCE }, | |
441 | { "output", required_argument, NULL, 'o' }, | |
442 | { "all", no_argument, NULL, 'a' }, | |
443 | { "full", no_argument, NULL, 'l' }, | |
444 | { "no-full", no_argument, NULL, ARG_NO_FULL }, | |
445 | { "lines", optional_argument, NULL, 'n' }, | |
446 | { "no-tail", no_argument, NULL, ARG_NO_TAIL }, | |
447 | { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, /* deprecated */ | |
448 | { "quiet", no_argument, NULL, 'q' }, | |
449 | { "merge", no_argument, NULL, 'm' }, | |
450 | { "this-boot", no_argument, NULL, ARG_THIS_BOOT }, /* deprecated */ | |
451 | { "boot", optional_argument, NULL, 'b' }, | |
452 | { "list-boots", no_argument, NULL, ARG_LIST_BOOTS }, | |
453 | { "dmesg", no_argument, NULL, 'k' }, | |
454 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
455 | { "user", no_argument, NULL, ARG_USER }, | |
456 | { "directory", required_argument, NULL, 'D' }, | |
457 | { "file", required_argument, NULL, ARG_FILE }, | |
458 | { "root", required_argument, NULL, ARG_ROOT }, | |
459 | { "header", no_argument, NULL, ARG_HEADER }, | |
460 | { "identifier", required_argument, NULL, 't' }, | |
461 | { "priority", required_argument, NULL, 'p' }, | |
462 | { "grep", required_argument, NULL, 'g' }, | |
463 | { "case-sensitive", optional_argument, NULL, ARG_CASE_SENSITIVE }, | |
464 | { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS }, | |
465 | { "interval", required_argument, NULL, ARG_INTERVAL }, | |
466 | { "verify", no_argument, NULL, ARG_VERIFY }, | |
467 | { "verify-key", required_argument, NULL, ARG_VERIFY_KEY }, | |
468 | { "disk-usage", no_argument, NULL, ARG_DISK_USAGE }, | |
469 | { "cursor", required_argument, NULL, 'c' }, | |
470 | { "cursor-file", required_argument, NULL, ARG_CURSOR_FILE }, | |
471 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
472 | { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR }, | |
473 | { "since", required_argument, NULL, 'S' }, | |
474 | { "until", required_argument, NULL, 'U' }, | |
475 | { "unit", required_argument, NULL, 'u' }, | |
476 | { "user-unit", required_argument, NULL, ARG_USER_UNIT }, | |
477 | { "field", required_argument, NULL, 'F' }, | |
478 | { "fields", no_argument, NULL, 'N' }, | |
479 | { "catalog", no_argument, NULL, 'x' }, | |
480 | { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG }, | |
481 | { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG }, | |
482 | { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG }, | |
483 | { "reverse", no_argument, NULL, 'r' }, | |
484 | { "machine", required_argument, NULL, 'M' }, | |
485 | { "utc", no_argument, NULL, ARG_UTC }, | |
486 | { "flush", no_argument, NULL, ARG_FLUSH }, | |
487 | { "relinquish-var", no_argument, NULL, ARG_RELINQUISH_VAR }, | |
488 | { "smart-relinquish-var", no_argument, NULL, ARG_SMART_RELINQUISH_VAR }, | |
489 | { "sync", no_argument, NULL, ARG_SYNC }, | |
490 | { "rotate", no_argument, NULL, ARG_ROTATE }, | |
491 | { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE }, | |
492 | { "vacuum-files", required_argument, NULL, ARG_VACUUM_FILES }, | |
493 | { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME }, | |
494 | { "no-hostname", no_argument, NULL, ARG_NO_HOSTNAME }, | |
495 | { "output-fields", required_argument, NULL, ARG_OUTPUT_FIELDS }, | |
eb9da376 | 496 | {} |
0d43c694 LP |
497 | }; |
498 | ||
2100675e | 499 | int c, r; |
0d43c694 LP |
500 | |
501 | assert(argc >= 0); | |
502 | assert(argv); | |
503 | ||
2de6b06b | 504 | while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:g:c:S:U:t:u:NF:xrM:", options, NULL)) >= 0) |
0d43c694 LP |
505 | |
506 | switch (c) { | |
507 | ||
508 | case 'h': | |
37ec0fdd | 509 | return help(); |
0d43c694 LP |
510 | |
511 | case ARG_VERSION: | |
3f6fd1ba | 512 | return version(); |
0d43c694 LP |
513 | |
514 | case ARG_NO_PAGER: | |
0221d68a | 515 | arg_pager_flags |= PAGER_DISABLE; |
0d43c694 LP |
516 | break; |
517 | ||
1b12a7b5 | 518 | case 'e': |
0221d68a | 519 | arg_pager_flags |= PAGER_JUMP_TO_END; |
fe59e38b | 520 | |
97e1cc8b | 521 | if (arg_lines == ARG_LINES_DEFAULT) |
fe59e38b LP |
522 | arg_lines = 1000; |
523 | ||
1b12a7b5 HH |
524 | break; |
525 | ||
0d43c694 LP |
526 | case 'f': |
527 | arg_follow = true; | |
528 | break; | |
529 | ||
530 | case 'o': | |
5c828e66 LP |
531 | if (streq(optarg, "help")) { |
532 | DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX); | |
533 | return 0; | |
534 | } | |
535 | ||
1705594f | 536 | arg_output = output_mode_from_string(optarg); |
df50185b | 537 | if (arg_output < 0) { |
edfb521a | 538 | log_error("Unknown output format '%s'.", optarg); |
0d43c694 LP |
539 | return -EINVAL; |
540 | } | |
df50185b | 541 | |
8e044443 | 542 | if (IN_SET(arg_output, OUTPUT_EXPORT, OUTPUT_JSON, OUTPUT_JSON_PRETTY, OUTPUT_JSON_SSE, OUTPUT_JSON_SEQ, OUTPUT_CAT)) |
edfb521a ZJS |
543 | arg_quiet = true; |
544 | ||
0d43c694 LP |
545 | break; |
546 | ||
98a6e132 | 547 | case 'l': |
e3657ecd ZJS |
548 | arg_full = true; |
549 | break; | |
550 | ||
2b8f6883 ZJS |
551 | case ARG_NO_FULL: |
552 | arg_full = false; | |
553 | break; | |
554 | ||
0d43c694 | 555 | case 'a': |
cd4b13e0 | 556 | arg_all = true; |
0d43c694 LP |
557 | break; |
558 | ||
2100675e | 559 | case 'n': |
1705594f | 560 | if (optarg) { |
48382487 | 561 | if (streq(optarg, "all")) |
97e1cc8b | 562 | arg_lines = ARG_LINES_ALL; |
48382487 JJ |
563 | else { |
564 | r = safe_atoi(optarg, &arg_lines); | |
565 | if (r < 0 || arg_lines < 0) { | |
566 | log_error("Failed to parse lines '%s'", optarg); | |
567 | return -EINVAL; | |
568 | } | |
1705594f | 569 | } |
96088db0 | 570 | } else { |
48382487 | 571 | arg_lines = 10; |
96088db0 LP |
572 | |
573 | /* Hmm, no argument? Maybe the next | |
574 | * word on the command line is | |
575 | * supposed to be the argument? Let's | |
576 | * see if there is one, and is | |
48382487 JJ |
577 | * parsable. */ |
578 | if (optind < argc) { | |
579 | int n; | |
580 | if (streq(argv[optind], "all")) { | |
97e1cc8b | 581 | arg_lines = ARG_LINES_ALL; |
48382487 JJ |
582 | optind++; |
583 | } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) { | |
584 | arg_lines = n; | |
585 | optind++; | |
586 | } | |
587 | } | |
96088db0 | 588 | } |
1705594f | 589 | |
2100675e LP |
590 | break; |
591 | ||
e91af489 LP |
592 | case ARG_NO_TAIL: |
593 | arg_no_tail = true; | |
594 | break; | |
595 | ||
39f7f5c1 | 596 | case ARG_NEW_ID128: |
7560fffc | 597 | arg_action = ACTION_NEW_ID128; |
55ee336c LP |
598 | break; |
599 | ||
43673799 LP |
600 | case 'q': |
601 | arg_quiet = true; | |
490e567d | 602 | break; |
43673799 | 603 | |
9e8a535f LP |
604 | case 'm': |
605 | arg_merge = true; | |
2bd3c38a LP |
606 | break; |
607 | ||
8453f062 ZJS |
608 | case ARG_THIS_BOOT: |
609 | arg_boot = true; | |
48904825 | 610 | arg_boot_id = SD_ID128_NULL; |
611 | arg_boot_offset = 0; | |
8453f062 ZJS |
612 | break; |
613 | ||
59cea26a | 614 | case 'b': |
d121b396 | 615 | arg_boot = true; |
48904825 | 616 | arg_boot_id = SD_ID128_NULL; |
617 | arg_boot_offset = 0; | |
6cebe83c | 618 | |
442e2def | 619 | if (optarg) { |
909dea0c | 620 | r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset); |
48904825 | 621 | if (r < 0) |
622 | return log_error_errno(r, "Failed to parse boot descriptor '%s'", optarg); | |
623 | ||
624 | arg_boot = r; | |
625 | ||
626 | /* Hmm, no argument? Maybe the next | |
627 | * word on the command line is | |
628 | * supposed to be the argument? Let's | |
629 | * see if there is one and is parsable | |
630 | * as a boot descriptor... */ | |
631 | } else if (optind < argc) { | |
632 | r = parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset); | |
633 | if (r >= 0) { | |
634 | arg_boot = r; | |
6cebe83c | 635 | optind++; |
48904825 | 636 | } |
6cebe83c | 637 | } |
59cea26a LP |
638 | break; |
639 | ||
f1188074 ZJS |
640 | case ARG_LIST_BOOTS: |
641 | arg_action = ACTION_LIST_BOOTS; | |
642 | break; | |
643 | ||
99271804 | 644 | case 'k': |
d121b396 | 645 | arg_boot = arg_dmesg = true; |
99271804 ZJS |
646 | break; |
647 | ||
3f3a438f ZJS |
648 | case ARG_SYSTEM: |
649 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
650 | break; | |
651 | ||
652 | case ARG_USER: | |
653 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
654 | break; | |
655 | ||
b6741478 LP |
656 | case 'M': |
657 | arg_machine = optarg; | |
658 | break; | |
659 | ||
a963990f LP |
660 | case 'D': |
661 | arg_directory = optarg; | |
662 | break; | |
663 | ||
8d98da3f | 664 | case ARG_FILE: |
5d1ce257 LP |
665 | if (streq(optarg, "-")) |
666 | /* An undocumented feature: we can read journal files from STDIN. We don't document | |
667 | * this though, since after all we only support this for mmap-able, seekable files, and | |
668 | * not for example pipes which are probably the primary usecase for reading things from | |
669 | * STDIN. To avoid confusion we hence don't document this feature. */ | |
670 | arg_file_stdin = true; | |
671 | else { | |
672 | r = glob_extend(&arg_file, optarg); | |
673 | if (r < 0) | |
674 | return log_error_errno(r, "Failed to add paths: %m"); | |
675 | } | |
8d98da3f ZJS |
676 | break; |
677 | ||
13cbf3a5 | 678 | case ARG_ROOT: |
0f03c2a4 LP |
679 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
680 | if (r < 0) | |
681 | return r; | |
13cbf3a5 ZJS |
682 | break; |
683 | ||
8f14c832 LP |
684 | case 'c': |
685 | arg_cursor = optarg; | |
686 | break; | |
687 | ||
d9e15cbd JS |
688 | case ARG_CURSOR_FILE: |
689 | arg_cursor_file = optarg; | |
690 | break; | |
691 | ||
248fc619 ZJS |
692 | case ARG_AFTER_CURSOR: |
693 | arg_after_cursor = optarg; | |
694 | break; | |
695 | ||
696 | case ARG_SHOW_CURSOR: | |
697 | arg_show_cursor = true; | |
698 | break; | |
699 | ||
dca6219e | 700 | case ARG_HEADER: |
7560fffc LP |
701 | arg_action = ACTION_PRINT_HEADER; |
702 | break; | |
703 | ||
feb12d3e LP |
704 | case ARG_VERIFY: |
705 | arg_action = ACTION_VERIFY; | |
706 | break; | |
707 | ||
a1a03e30 LP |
708 | case ARG_DISK_USAGE: |
709 | arg_action = ACTION_DISK_USAGE; | |
710 | break; | |
711 | ||
dbd2a83f LP |
712 | case ARG_VACUUM_SIZE: |
713 | r = parse_size(optarg, 1024, &arg_vacuum_size); | |
714 | if (r < 0) { | |
715 | log_error("Failed to parse vacuum size: %s", optarg); | |
716 | return r; | |
717 | } | |
718 | ||
8df64fd0 | 719 | arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM; |
dbd2a83f LP |
720 | break; |
721 | ||
8580d1f7 LP |
722 | case ARG_VACUUM_FILES: |
723 | r = safe_atou64(optarg, &arg_vacuum_n_files); | |
724 | if (r < 0) { | |
725 | log_error("Failed to parse vacuum files: %s", optarg); | |
726 | return r; | |
727 | } | |
728 | ||
8df64fd0 | 729 | arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM; |
8580d1f7 LP |
730 | break; |
731 | ||
dbd2a83f LP |
732 | case ARG_VACUUM_TIME: |
733 | r = parse_sec(optarg, &arg_vacuum_time); | |
734 | if (r < 0) { | |
735 | log_error("Failed to parse vacuum time: %s", optarg); | |
736 | return r; | |
737 | } | |
738 | ||
8df64fd0 | 739 | arg_action = arg_action == ACTION_ROTATE ? ACTION_ROTATE_AND_VACUUM : ACTION_VACUUM; |
dbd2a83f LP |
740 | break; |
741 | ||
349cc4a5 | 742 | #if HAVE_GCRYPT |
b8547c10 SL |
743 | case ARG_FORCE: |
744 | arg_force = true; | |
745 | break; | |
746 | ||
7560fffc LP |
747 | case ARG_SETUP_KEYS: |
748 | arg_action = ACTION_SETUP_KEYS; | |
dca6219e LP |
749 | break; |
750 | ||
baed47c3 | 751 | case ARG_VERIFY_KEY: |
4da416aa | 752 | arg_action = ACTION_VERIFY; |
e50412ef ZJS |
753 | r = free_and_strdup(&arg_verify_key, optarg); |
754 | if (r < 0) | |
755 | return r; | |
309c6b19 | 756 | /* Use memset not explicit_bzero() or similar so this doesn't look confusing |
1075122f ZJS |
757 | * in ps or htop output. */ |
758 | memset(optarg, 'x', strlen(optarg)); | |
e50412ef ZJS |
759 | |
760 | arg_merge = false; | |
4da416aa LP |
761 | break; |
762 | ||
baed47c3 | 763 | case ARG_INTERVAL: |
7f602784 | 764 | r = parse_sec(optarg, &arg_interval); |
baed47c3 LP |
765 | if (r < 0 || arg_interval <= 0) { |
766 | log_error("Failed to parse sealing key change interval: %s", optarg); | |
14d10188 LP |
767 | return -EINVAL; |
768 | } | |
769 | break; | |
feb12d3e LP |
770 | #else |
771 | case ARG_SETUP_KEYS: | |
772 | case ARG_VERIFY_KEY: | |
773 | case ARG_INTERVAL: | |
b8547c10 | 774 | case ARG_FORCE: |
7289c769 | 775 | log_error("Compiled without forward-secure sealing support."); |
15411c0c | 776 | return -EOPNOTSUPP; |
feb12d3e | 777 | #endif |
14d10188 | 778 | |
941e990d LP |
779 | case 'p': { |
780 | const char *dots; | |
781 | ||
782 | dots = strstr(optarg, ".."); | |
783 | if (dots) { | |
784 | char *a; | |
785 | int from, to, i; | |
786 | ||
787 | /* a range */ | |
788 | a = strndup(optarg, dots - optarg); | |
789 | if (!a) | |
790 | return log_oom(); | |
791 | ||
792 | from = log_level_from_string(a); | |
793 | to = log_level_from_string(dots + 2); | |
794 | free(a); | |
795 | ||
796 | if (from < 0 || to < 0) { | |
797 | log_error("Failed to parse log level range %s", optarg); | |
798 | return -EINVAL; | |
799 | } | |
800 | ||
801 | arg_priorities = 0; | |
802 | ||
803 | if (from < to) { | |
804 | for (i = from; i <= to; i++) | |
805 | arg_priorities |= 1 << i; | |
806 | } else { | |
807 | for (i = to; i <= from; i++) | |
808 | arg_priorities |= 1 << i; | |
809 | } | |
810 | ||
811 | } else { | |
812 | int p, i; | |
813 | ||
814 | p = log_level_from_string(optarg); | |
815 | if (p < 0) { | |
816 | log_error("Unknown log level %s", optarg); | |
817 | return -EINVAL; | |
818 | } | |
819 | ||
820 | arg_priorities = 0; | |
821 | ||
822 | for (i = 0; i <= p; i++) | |
823 | arg_priorities |= 1 << i; | |
824 | } | |
825 | ||
826 | break; | |
827 | } | |
828 | ||
6becf48c | 829 | #if HAVE_PCRE2 |
61c5f8a1 ZJS |
830 | case 'g': |
831 | arg_pattern = optarg; | |
6becf48c | 832 | break; |
6becf48c | 833 | |
61c5f8a1 ZJS |
834 | case ARG_CASE_SENSITIVE: |
835 | if (optarg) { | |
836 | r = parse_boolean(optarg); | |
837 | if (r < 0) | |
838 | return log_error_errno(r, "Bad --case-sensitive= argument \"%s\": %m", optarg); | |
839 | arg_case_sensitive = r; | |
840 | } else | |
841 | arg_case_sensitive = true; | |
842 | ||
843 | break; | |
6becf48c ZJS |
844 | #else |
845 | case 'g': | |
61c5f8a1 | 846 | case ARG_CASE_SENSITIVE: |
6becf48c ZJS |
847 | return log_error("Compiled without pattern matching support"); |
848 | #endif | |
849 | ||
66f52924 | 850 | case 'S': |
cfbc22ab LP |
851 | r = parse_timestamp(optarg, &arg_since); |
852 | if (r < 0) { | |
853 | log_error("Failed to parse timestamp: %s", optarg); | |
854 | return -EINVAL; | |
855 | } | |
856 | arg_since_set = true; | |
857 | break; | |
858 | ||
66f52924 | 859 | case 'U': |
cfbc22ab LP |
860 | r = parse_timestamp(optarg, &arg_until); |
861 | if (r < 0) { | |
862 | log_error("Failed to parse timestamp: %s", optarg); | |
863 | return -EINVAL; | |
864 | } | |
865 | arg_until_set = true; | |
866 | break; | |
867 | ||
73083640 HH |
868 | case 't': |
869 | r = strv_extend(&arg_syslog_identifier, optarg); | |
870 | if (r < 0) | |
871 | return log_oom(); | |
872 | break; | |
873 | ||
7199aa96 | 874 | case 'u': |
b9e40524 HH |
875 | r = strv_extend(&arg_system_units, optarg); |
876 | if (r < 0) | |
877 | return log_oom(); | |
ffa7cd15 DW |
878 | break; |
879 | ||
7199aa96 | 880 | case ARG_USER_UNIT: |
b9e40524 HH |
881 | r = strv_extend(&arg_user_units, optarg); |
882 | if (r < 0) | |
883 | return log_oom(); | |
c3f60ec5 LP |
884 | break; |
885 | ||
15119c16 | 886 | case 'F': |
69e714f3 | 887 | arg_action = ACTION_LIST_FIELDS; |
15119c16 LP |
888 | arg_field = optarg; |
889 | break; | |
890 | ||
69e714f3 LP |
891 | case 'N': |
892 | arg_action = ACTION_LIST_FIELD_NAMES; | |
893 | break; | |
894 | ||
991e274b LP |
895 | case ARG_NO_HOSTNAME: |
896 | arg_no_hostname = true; | |
897 | break; | |
898 | ||
d4205751 LP |
899 | case 'x': |
900 | arg_catalog = true; | |
901 | break; | |
902 | ||
903 | case ARG_LIST_CATALOG: | |
904 | arg_action = ACTION_LIST_CATALOG; | |
905 | break; | |
906 | ||
54b7254c ZJS |
907 | case ARG_DUMP_CATALOG: |
908 | arg_action = ACTION_DUMP_CATALOG; | |
909 | break; | |
910 | ||
d4205751 LP |
911 | case ARG_UPDATE_CATALOG: |
912 | arg_action = ACTION_UPDATE_CATALOG; | |
913 | break; | |
914 | ||
d89d6c86 LN |
915 | case 'r': |
916 | arg_reverse = true; | |
917 | break; | |
918 | ||
9fd29044 JS |
919 | case ARG_UTC: |
920 | arg_utc = true; | |
921 | break; | |
922 | ||
74055aa7 LP |
923 | case ARG_FLUSH: |
924 | arg_action = ACTION_FLUSH; | |
925 | break; | |
926 | ||
c0dfcb31 LP |
927 | case ARG_SMART_RELINQUISH_VAR: { |
928 | int root_mnt_id, log_mnt_id; | |
929 | ||
930 | /* Try to be smart about relinquishing access to /var/log/journal/ during shutdown: | |
931 | * if it's on the same mount as the root file system there's no point in | |
932 | * relinquishing access and we can leave journald write to it until the very last | |
933 | * moment. */ | |
934 | ||
935 | r = path_get_mnt_id("/", &root_mnt_id); | |
936 | if (r < 0) | |
937 | log_debug_errno(r, "Failed to get root mount ID, ignoring: %m"); | |
938 | else { | |
939 | r = path_get_mnt_id("/var/log/journal/", &log_mnt_id); | |
940 | if (r < 0) | |
941 | log_debug_errno(r, "Failed to get journal directory mount ID, ignoring: %m"); | |
942 | else if (root_mnt_id == log_mnt_id) { | |
943 | log_debug("/var/log/journal/ is on root file system, not relinquishing access to /var."); | |
944 | return 0; | |
945 | } else | |
946 | log_debug("/var/log/journal/ is not on the root file system, relinquishing access to it."); | |
947 | } | |
948 | ||
949 | _fallthrough_; | |
950 | } | |
951 | ||
952 | case ARG_RELINQUISH_VAR: | |
953 | arg_action = ACTION_RELINQUISH_VAR; | |
954 | break; | |
955 | ||
e3fdfb49 | 956 | case ARG_ROTATE: |
8df64fd0 | 957 | arg_action = arg_action == ACTION_VACUUM ? ACTION_ROTATE_AND_VACUUM : ACTION_ROTATE; |
e3fdfb49 EV |
958 | break; |
959 | ||
94b65516 LP |
960 | case ARG_SYNC: |
961 | arg_action = ACTION_SYNC; | |
962 | break; | |
963 | ||
cc25a67e LK |
964 | case ARG_OUTPUT_FIELDS: { |
965 | _cleanup_strv_free_ char **v = NULL; | |
966 | ||
967 | v = strv_split(optarg, ","); | |
968 | if (!v) | |
969 | return log_oom(); | |
970 | ||
1cc6c93a YW |
971 | if (!arg_output_fields) |
972 | arg_output_fields = TAKE_PTR(v); | |
973 | else { | |
cc25a67e LK |
974 | r = strv_extend_strv(&arg_output_fields, v, true); |
975 | if (r < 0) | |
976 | return log_oom(); | |
977 | } | |
978 | break; | |
979 | } | |
980 | ||
eb9da376 | 981 | case '?': |
0d43c694 | 982 | return -EINVAL; |
eb9da376 LP |
983 | |
984 | default: | |
985 | assert_not_reached("Unhandled option"); | |
0d43c694 | 986 | } |
0d43c694 | 987 | |
70af7b8a | 988 | if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT) |
e91af489 LP |
989 | arg_lines = 10; |
990 | ||
0a175093 ZJS |
991 | if (!!arg_directory + !!arg_file + !!arg_machine + !!arg_root > 1) { |
992 | log_error("Please specify at most one of -D/--directory=, --file=, -M/--machine=, --root."); | |
8d98da3f ZJS |
993 | return -EINVAL; |
994 | } | |
995 | ||
3ba09ee8 | 996 | if (arg_since_set && arg_until_set && arg_since > arg_until) { |
cfbc22ab LP |
997 | log_error("--since= must be before --until=."); |
998 | return -EINVAL; | |
999 | } | |
1000 | ||
248fc619 ZJS |
1001 | if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) { |
1002 | log_error("Please specify only one of --since=, --cursor=, and --after-cursor."); | |
cfbc22ab LP |
1003 | return -EINVAL; |
1004 | } | |
1005 | ||
d89d6c86 LN |
1006 | if (arg_follow && arg_reverse) { |
1007 | log_error("Please specify either --reverse= or --follow=, not both."); | |
1008 | return -EINVAL; | |
1009 | } | |
1010 | ||
f98a41c2 | 1011 | if (!IN_SET(arg_action, ACTION_SHOW, ACTION_DUMP_CATALOG, ACTION_LIST_CATALOG) && optind < argc) { |
0b6b7c20 ZJS |
1012 | log_error("Extraneous arguments starting with '%s'", argv[optind]); |
1013 | return -EINVAL; | |
1014 | } | |
1015 | ||
f3bd7561 ZJS |
1016 | if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && arg_merge) { |
1017 | log_error("Using --boot or --list-boots with --merge is not supported."); | |
596a2329 JJ |
1018 | return -EINVAL; |
1019 | } | |
1020 | ||
e79d0b59 | 1021 | if (!strv_isempty(arg_system_units) && arg_journal_type == SD_JOURNAL_CURRENT_USER) { |
52051dd8 LP |
1022 | /* Specifying --user and --unit= at the same time makes no sense (as the former excludes the user |
1023 | * journal, but the latter excludes the system journal, thus resulting in empty output). Let's be nice | |
1024 | * to users, and automatically turn --unit= into --user-unit= if combined with --user. */ | |
1025 | r = strv_extend_strv(&arg_user_units, arg_system_units, true); | |
1026 | if (r < 0) | |
e50412ef | 1027 | return r; |
52051dd8 LP |
1028 | |
1029 | arg_system_units = strv_free(arg_system_units); | |
1030 | } | |
1031 | ||
61c5f8a1 ZJS |
1032 | #if HAVE_PCRE2 |
1033 | if (arg_pattern) { | |
1034 | unsigned flags; | |
1035 | ||
1036 | if (arg_case_sensitive >= 0) | |
1037 | flags = !arg_case_sensitive * PCRE2_CASELESS; | |
1038 | else { | |
1039 | _cleanup_(pcre2_match_data_freep) pcre2_match_data *md = NULL; | |
1040 | bool has_case; | |
1041 | _cleanup_(pcre2_code_freep) pcre2_code *cs = NULL; | |
1042 | ||
1043 | md = pcre2_match_data_create(1, NULL); | |
1044 | if (!md) | |
1045 | return log_oom(); | |
1046 | ||
1047 | r = pattern_compile("[[:upper:]]", 0, &cs); | |
1048 | if (r < 0) | |
1049 | return r; | |
1050 | ||
1051 | r = pcre2_match(cs, (PCRE2_SPTR8) arg_pattern, PCRE2_ZERO_TERMINATED, 0, 0, md, NULL); | |
1052 | has_case = r >= 0; | |
1053 | ||
1054 | flags = !has_case * PCRE2_CASELESS; | |
1055 | } | |
1056 | ||
1057 | log_debug("Doing case %s matching based on %s", | |
1058 | flags & PCRE2_CASELESS ? "insensitive" : "sensitive", | |
1059 | arg_case_sensitive >= 0 ? "request" : "pattern casing"); | |
1060 | ||
1061 | r = pattern_compile(arg_pattern, flags, &arg_compiled_pattern); | |
1062 | if (r < 0) | |
1063 | return r; | |
1064 | } | |
1065 | #endif | |
1066 | ||
0d43c694 LP |
1067 | return 1; |
1068 | } | |
1069 | ||
a963990f LP |
1070 | static int add_matches(sd_journal *j, char **args) { |
1071 | char **i; | |
4e602943 | 1072 | bool have_term = false; |
59cea26a | 1073 | |
a963990f | 1074 | assert(j); |
59cea26a | 1075 | |
a963990f | 1076 | STRV_FOREACH(i, args) { |
52aeb63c | 1077 | int r; |
59cea26a | 1078 | |
4e602943 ZJS |
1079 | if (streq(*i, "+")) { |
1080 | if (!have_term) | |
1081 | break; | |
cbdca852 | 1082 | r = sd_journal_add_disjunction(j); |
4e602943 ZJS |
1083 | have_term = false; |
1084 | ||
1085 | } else if (path_is_absolute(*i)) { | |
e1873695 | 1086 | _cleanup_free_ char *p = NULL, *t = NULL, *t2 = NULL, *interpreter = NULL; |
a963990f | 1087 | struct stat st; |
e5124088 | 1088 | |
62570f6f | 1089 | r = chase_symlinks(*i, NULL, CHASE_TRAIL_SLASH, &p); |
e1873695 LP |
1090 | if (r < 0) |
1091 | return log_error_errno(r, "Couldn't canonicalize path: %m"); | |
e5124088 | 1092 | |
e1873695 | 1093 | if (lstat(p, &st) < 0) |
4a62c710 | 1094 | return log_error_errno(errno, "Couldn't stat file: %m"); |
e5124088 | 1095 | |
68fee104 | 1096 | if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) { |
e1873695 | 1097 | if (executable_is_script(p, &interpreter) > 0) { |
68fee104 ZJS |
1098 | _cleanup_free_ char *comm; |
1099 | ||
e1873695 | 1100 | comm = strndup(basename(p), 15); |
68fee104 ZJS |
1101 | if (!comm) |
1102 | return log_oom(); | |
1103 | ||
1104 | t = strappend("_COMM=", comm); | |
795ab08f MS |
1105 | if (!t) |
1106 | return log_oom(); | |
68fee104 ZJS |
1107 | |
1108 | /* Append _EXE only if the interpreter is not a link. | |
73e231ab | 1109 | Otherwise, it might be outdated often. */ |
795ab08f | 1110 | if (lstat(interpreter, &st) == 0 && !S_ISLNK(st.st_mode)) { |
68fee104 ZJS |
1111 | t2 = strappend("_EXE=", interpreter); |
1112 | if (!t2) | |
1113 | return log_oom(); | |
1114 | } | |
795ab08f | 1115 | } else { |
e1873695 | 1116 | t = strappend("_EXE=", p); |
795ab08f MS |
1117 | if (!t) |
1118 | return log_oom(); | |
1119 | } | |
1120 | ||
1121 | r = sd_journal_add_match(j, t, 0); | |
1122 | ||
1123 | if (r >=0 && t2) | |
1124 | r = sd_journal_add_match(j, t2, 0); | |
1125 | ||
1126 | } else if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) { | |
e1873695 | 1127 | r = add_matches_for_device(j, p); |
795ab08f MS |
1128 | if (r < 0) |
1129 | return r; | |
baaa35ad ZJS |
1130 | } else |
1131 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1132 | "File is neither a device node, nor regular file, nor executable: %s", | |
1133 | *i); | |
e5124088 | 1134 | |
4e602943 | 1135 | have_term = true; |
4e602943 | 1136 | } else { |
cbdca852 | 1137 | r = sd_journal_add_match(j, *i, 0); |
4e602943 ZJS |
1138 | have_term = true; |
1139 | } | |
e5124088 | 1140 | |
23bbb0de MS |
1141 | if (r < 0) |
1142 | return log_error_errno(r, "Failed to add match '%s': %m", *i); | |
de7b95cd LP |
1143 | } |
1144 | ||
baaa35ad ZJS |
1145 | if (!strv_isempty(args) && !have_term) |
1146 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1147 | "\"+\" can only be used between terms"); | |
4e602943 | 1148 | |
a963990f LP |
1149 | return 0; |
1150 | } | |
1151 | ||
9530e0d0 LP |
1152 | static void boot_id_free_all(BootId *l) { |
1153 | ||
1154 | while (l) { | |
1155 | BootId *i = l; | |
1156 | LIST_REMOVE(boot_list, l, i); | |
1157 | free(i); | |
1158 | } | |
1159 | } | |
1160 | ||
dc009662 LP |
1161 | static int discover_next_boot(sd_journal *j, |
1162 | sd_id128_t previous_boot_id, | |
1163 | bool advance_older, | |
1164 | BootId **ret) { | |
45bc27b6 | 1165 | |
45bc27b6 | 1166 | _cleanup_free_ BootId *next_boot = NULL; |
dc009662 LP |
1167 | char match[9+32+1] = "_BOOT_ID="; |
1168 | sd_id128_t boot_id; | |
1169 | int r; | |
ea7061e4 JJ |
1170 | |
1171 | assert(j); | |
dc009662 | 1172 | assert(ret); |
596a2329 JJ |
1173 | |
1174 | /* We expect the journal to be on the last position of a boot | |
1175 | * (in relation to the direction we are going), so that the next | |
1176 | * invocation of sd_journal_next/previous will be from a different | |
1177 | * boot. We then collect any information we desire and then jump | |
1178 | * to the last location of the new boot by using a _BOOT_ID match | |
1179 | * coming from the other journal direction. */ | |
1180 | ||
1181 | /* Make sure we aren't restricted by any _BOOT_ID matches, so that | |
1182 | * we can actually advance to a *different* boot. */ | |
1183 | sd_journal_flush_matches(j); | |
1184 | ||
dc009662 LP |
1185 | do { |
1186 | if (advance_older) | |
1187 | r = sd_journal_previous(j); | |
1188 | else | |
1189 | r = sd_journal_next(j); | |
1190 | if (r < 0) | |
1191 | return r; | |
1192 | else if (r == 0) | |
1193 | return 0; /* End of journal, yay. */ | |
1194 | ||
1195 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); | |
1196 | if (r < 0) | |
1197 | return r; | |
1198 | ||
1199 | /* We iterate through this in a loop, until the boot ID differs from the previous one. Note that | |
1200 | * normally, this will only require a single iteration, as we seeked to the last entry of the previous | |
1201 | * boot entry already. However, it might happen that the per-journal-field entry arrays are less | |
1202 | * complete than the main entry array, and hence might reference an entry that's not actually the last | |
1203 | * one of the boot ID as last one. Let's hence use the per-field array is initial seek position to | |
1204 | * speed things up, but let's not trust that it is complete, and hence, manually advance as | |
1205 | * necessary. */ | |
1206 | ||
1207 | } while (sd_id128_equal(boot_id, previous_boot_id)); | |
596a2329 | 1208 | |
45bc27b6 | 1209 | next_boot = new0(BootId, 1); |
596a2329 | 1210 | if (!next_boot) |
b56d608e | 1211 | return -ENOMEM; |
f1188074 | 1212 | |
dc009662 | 1213 | next_boot->id = boot_id; |
f1188074 | 1214 | |
d1bf9dc9 LP |
1215 | r = sd_journal_get_realtime_usec(j, &next_boot->first); |
1216 | if (r < 0) | |
1217 | return r; | |
ea7061e4 | 1218 | |
596a2329 JJ |
1219 | /* Now seek to the last occurrence of this boot ID. */ |
1220 | sd_id128_to_string(next_boot->id, match + 9); | |
1221 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
1222 | if (r < 0) | |
1223 | return r; | |
f1188074 | 1224 | |
596a2329 JJ |
1225 | if (advance_older) |
1226 | r = sd_journal_seek_head(j); | |
1227 | else | |
1228 | r = sd_journal_seek_tail(j); | |
1229 | if (r < 0) | |
1230 | return r; | |
f1188074 | 1231 | |
596a2329 JJ |
1232 | if (advance_older) |
1233 | r = sd_journal_next(j); | |
1234 | else | |
1235 | r = sd_journal_previous(j); | |
1236 | if (r < 0) | |
1237 | return r; | |
baaa35ad ZJS |
1238 | else if (r == 0) |
1239 | return log_debug_errno(SYNTHETIC_ERRNO(ENODATA), | |
1240 | "Whoopsie! We found a boot ID but can't read its last entry."); /* This shouldn't happen. We just came from this very boot ID. */ | |
f1188074 | 1241 | |
d1bf9dc9 LP |
1242 | r = sd_journal_get_realtime_usec(j, &next_boot->last); |
1243 | if (r < 0) | |
1244 | return r; | |
596a2329 | 1245 | |
1cc6c93a | 1246 | *ret = TAKE_PTR(next_boot); |
9530e0d0 | 1247 | |
596a2329 JJ |
1248 | return 0; |
1249 | } | |
1250 | ||
45bc27b6 LP |
1251 | static int get_boots( |
1252 | sd_journal *j, | |
1253 | BootId **boots, | |
07ff6b08 ZJS |
1254 | sd_id128_t *boot_id, |
1255 | int offset) { | |
45bc27b6 | 1256 | |
596a2329 JJ |
1257 | bool skip_once; |
1258 | int r, count = 0; | |
ec02a6c9 | 1259 | BootId *head = NULL, *tail = NULL, *id; |
07ff6b08 | 1260 | const bool advance_older = boot_id && offset <= 0; |
dc009662 | 1261 | sd_id128_t previous_boot_id; |
596a2329 JJ |
1262 | |
1263 | assert(j); | |
f1188074 | 1264 | |
596a2329 JJ |
1265 | /* Adjust for the asymmetry that offset 0 is |
1266 | * the last (and current) boot, while 1 is considered the | |
1267 | * (chronological) first boot in the journal. */ | |
592855c3 | 1268 | skip_once = boot_id && sd_id128_is_null(*boot_id) && offset <= 0; |
596a2329 JJ |
1269 | |
1270 | /* Advance to the earliest/latest occurrence of our reference | |
1271 | * boot ID (taking our lookup direction into account), so that | |
1272 | * discover_next_boot() can do its job. | |
1273 | * If no reference is given, the journal head/tail will do, | |
1274 | * they're "virtual" boots after all. */ | |
07ff6b08 | 1275 | if (boot_id && !sd_id128_is_null(*boot_id)) { |
596a2329 JJ |
1276 | char match[9+32+1] = "_BOOT_ID="; |
1277 | ||
1278 | sd_journal_flush_matches(j); | |
1279 | ||
07ff6b08 | 1280 | sd_id128_to_string(*boot_id, match + 9); |
596a2329 | 1281 | r = sd_journal_add_match(j, match, sizeof(match) - 1); |
f1188074 ZJS |
1282 | if (r < 0) |
1283 | return r; | |
1284 | ||
596a2329 | 1285 | if (advance_older) |
c4fbc6b6 | 1286 | r = sd_journal_seek_head(j); /* seek to oldest */ |
596a2329 | 1287 | else |
c4fbc6b6 | 1288 | r = sd_journal_seek_tail(j); /* seek to newest */ |
f1188074 ZJS |
1289 | if (r < 0) |
1290 | return r; | |
1291 | ||
596a2329 | 1292 | if (advance_older) |
c4fbc6b6 | 1293 | r = sd_journal_next(j); /* read the oldest entry */ |
596a2329 | 1294 | else |
c4fbc6b6 | 1295 | r = sd_journal_previous(j); /* read the most recently added entry */ |
f1188074 ZJS |
1296 | if (r < 0) |
1297 | return r; | |
1298 | else if (r == 0) | |
596a2329 | 1299 | goto finish; |
07ff6b08 | 1300 | else if (offset == 0) { |
596a2329 JJ |
1301 | count = 1; |
1302 | goto finish; | |
1303 | } | |
c4fbc6b6 | 1304 | |
5238e957 | 1305 | /* At this point the read pointer is positioned at the oldest/newest occurrence of the reference boot |
c4fbc6b6 LP |
1306 | * ID. After flushing the matches, one more invocation of _previous()/_next() will hence place us at |
1307 | * the following entry, which must then have an older/newer boot ID */ | |
596a2329 | 1308 | } else { |
c4fbc6b6 | 1309 | |
596a2329 | 1310 | if (advance_older) |
c4fbc6b6 | 1311 | r = sd_journal_seek_tail(j); /* seek to newest */ |
596a2329 | 1312 | else |
c4fbc6b6 | 1313 | r = sd_journal_seek_head(j); /* seek to oldest */ |
f1188074 ZJS |
1314 | if (r < 0) |
1315 | return r; | |
1316 | ||
c4fbc6b6 LP |
1317 | /* No sd_journal_next()/_previous() here. |
1318 | * | |
1319 | * At this point the read pointer is positioned after the newest/before the oldest entry in the whole | |
1320 | * journal. The next invocation of _previous()/_next() will hence position us at the newest/oldest | |
1321 | * entry we have. */ | |
596a2329 | 1322 | } |
f1188074 | 1323 | |
dc009662 | 1324 | previous_boot_id = SD_ID128_NULL; |
45bc27b6 LP |
1325 | for (;;) { |
1326 | _cleanup_free_ BootId *current = NULL; | |
f1188074 | 1327 | |
dc009662 | 1328 | r = discover_next_boot(j, previous_boot_id, advance_older, ¤t); |
596a2329 | 1329 | if (r < 0) { |
9530e0d0 | 1330 | boot_id_free_all(head); |
596a2329 | 1331 | return r; |
ea7061e4 | 1332 | } |
f1188074 | 1333 | |
596a2329 JJ |
1334 | if (!current) |
1335 | break; | |
1336 | ||
dc009662 LP |
1337 | previous_boot_id = current->id; |
1338 | ||
07ff6b08 | 1339 | if (boot_id) { |
596a2329 | 1340 | if (!skip_once) |
07ff6b08 | 1341 | offset += advance_older ? 1 : -1; |
596a2329 JJ |
1342 | skip_once = false; |
1343 | ||
07ff6b08 | 1344 | if (offset == 0) { |
596a2329 | 1345 | count = 1; |
07ff6b08 | 1346 | *boot_id = current->id; |
596a2329 JJ |
1347 | break; |
1348 | } | |
1349 | } else { | |
ec02a6c9 HK |
1350 | LIST_FOREACH(boot_list, id, head) { |
1351 | if (sd_id128_equal(id->id, current->id)) { | |
1352 | /* boot id already stored, something wrong with the journal files */ | |
1353 | /* exiting as otherwise this problem would cause forever loop */ | |
1354 | goto finish; | |
1355 | } | |
1356 | } | |
596a2329 | 1357 | LIST_INSERT_AFTER(boot_list, head, tail, current); |
1cc6c93a | 1358 | tail = TAKE_PTR(current); |
596a2329 JJ |
1359 | count++; |
1360 | } | |
f1188074 ZJS |
1361 | } |
1362 | ||
596a2329 JJ |
1363 | finish: |
1364 | if (boots) | |
1365 | *boots = head; | |
1366 | ||
1367 | sd_journal_flush_matches(j); | |
1368 | ||
1369 | return count; | |
ea7061e4 JJ |
1370 | } |
1371 | ||
1372 | static int list_boots(sd_journal *j) { | |
596a2329 | 1373 | int w, i, count; |
9530e0d0 | 1374 | BootId *id, *all_ids; |
ea7061e4 JJ |
1375 | |
1376 | assert(j); | |
1377 | ||
596a2329 | 1378 | count = get_boots(j, &all_ids, NULL, 0); |
b56d608e LP |
1379 | if (count < 0) |
1380 | return log_error_errno(count, "Failed to determine boots: %m"); | |
1381 | if (count == 0) | |
596a2329 | 1382 | return count; |
ea7061e4 | 1383 | |
0221d68a | 1384 | (void) pager_open(arg_pager_flags); |
f1188074 ZJS |
1385 | |
1386 | /* numbers are one less, but we need an extra char for the sign */ | |
1387 | w = DECIMAL_STR_WIDTH(count - 1) + 1; | |
1388 | ||
596a2329 | 1389 | i = 0; |
9530e0d0 | 1390 | LIST_FOREACH(boot_list, id, all_ids) { |
f1188074 ZJS |
1391 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX]; |
1392 | ||
1393 | printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n", | |
1394 | w, i - count + 1, | |
1395 | SD_ID128_FORMAT_VAL(id->id), | |
5ab99e07 LP |
1396 | format_timestamp_maybe_utc(a, sizeof(a), id->first), |
1397 | format_timestamp_maybe_utc(b, sizeof(b), id->last)); | |
596a2329 | 1398 | i++; |
d121b396 | 1399 | } |
a963990f | 1400 | |
9530e0d0 LP |
1401 | boot_id_free_all(all_ids); |
1402 | ||
a331b5e6 JJ |
1403 | return 0; |
1404 | } | |
1405 | ||
1406 | static int add_boot(sd_journal *j) { | |
1407 | char match[9+32+1] = "_BOOT_ID="; | |
07ff6b08 | 1408 | sd_id128_t boot_id; |
442e2def | 1409 | int r; |
a331b5e6 JJ |
1410 | |
1411 | assert(j); | |
1412 | ||
d121b396 | 1413 | if (!arg_boot) |
a331b5e6 JJ |
1414 | return 0; |
1415 | ||
592855c3 ZJS |
1416 | /* Take a shortcut and use the current boot_id, which we can do very quickly. |
1417 | * We can do this only when we logs are coming from the current machine, | |
1418 | * so take the slow path if log location is specified. */ | |
3bbaff3e | 1419 | if (arg_boot_offset == 0 && sd_id128_is_null(arg_boot_id) && |
0a175093 | 1420 | !arg_directory && !arg_file && !arg_root) |
592855c3 | 1421 | |
b6741478 | 1422 | return add_match_this_boot(j, arg_machine); |
a331b5e6 | 1423 | |
07ff6b08 ZJS |
1424 | boot_id = arg_boot_id; |
1425 | r = get_boots(j, NULL, &boot_id, arg_boot_offset); | |
596a2329 JJ |
1426 | assert(r <= 1); |
1427 | if (r <= 0) { | |
4bbccb02 | 1428 | const char *reason = (r == 0) ? "No such boot ID in journal" : strerror_safe(r); |
596a2329 JJ |
1429 | |
1430 | if (sd_id128_is_null(arg_boot_id)) | |
c34e9399 JS |
1431 | log_error("Data from the specified boot (%+i) is not available: %s", |
1432 | arg_boot_offset, reason); | |
d121b396 | 1433 | else |
c34e9399 JS |
1434 | log_error("Data from the specified boot ("SD_ID128_FORMAT_STR") is not available: %s", |
1435 | SD_ID128_FORMAT_VAL(arg_boot_id), reason); | |
596a2329 JJ |
1436 | |
1437 | return r == 0 ? -ENODATA : r; | |
a331b5e6 JJ |
1438 | } |
1439 | ||
07ff6b08 | 1440 | sd_id128_to_string(boot_id, match + 9); |
d121b396 ZJS |
1441 | |
1442 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
23bbb0de MS |
1443 | if (r < 0) |
1444 | return log_error_errno(r, "Failed to add match: %m"); | |
a331b5e6 JJ |
1445 | |
1446 | r = sd_journal_add_conjunction(j); | |
1447 | if (r < 0) | |
b56d608e | 1448 | return log_error_errno(r, "Failed to add conjunction: %m"); |
a331b5e6 JJ |
1449 | |
1450 | return 0; | |
a963990f LP |
1451 | } |
1452 | ||
99271804 ZJS |
1453 | static int add_dmesg(sd_journal *j) { |
1454 | int r; | |
1455 | assert(j); | |
1456 | ||
1457 | if (!arg_dmesg) | |
1458 | return 0; | |
1459 | ||
fbd0b64f LP |
1460 | r = sd_journal_add_match(j, "_TRANSPORT=kernel", |
1461 | STRLEN("_TRANSPORT=kernel")); | |
23bbb0de MS |
1462 | if (r < 0) |
1463 | return log_error_errno(r, "Failed to add match: %m"); | |
99271804 ZJS |
1464 | |
1465 | r = sd_journal_add_conjunction(j); | |
1466 | if (r < 0) | |
b56d608e | 1467 | return log_error_errno(r, "Failed to add conjunction: %m"); |
99271804 ZJS |
1468 | |
1469 | return 0; | |
1470 | } | |
1471 | ||
b56d608e LP |
1472 | static int get_possible_units( |
1473 | sd_journal *j, | |
1474 | const char *fields, | |
1475 | char **patterns, | |
1476 | Set **units) { | |
1477 | ||
ea18a4b5 ZJS |
1478 | _cleanup_set_free_free_ Set *found; |
1479 | const char *field; | |
c3f60ec5 | 1480 | int r; |
ea18a4b5 | 1481 | |
d5099efc | 1482 | found = set_new(&string_hash_ops); |
ea18a4b5 | 1483 | if (!found) |
b56d608e | 1484 | return -ENOMEM; |
ea18a4b5 ZJS |
1485 | |
1486 | NULSTR_FOREACH(field, fields) { | |
1487 | const void *data; | |
1488 | size_t size; | |
1489 | ||
1490 | r = sd_journal_query_unique(j, field); | |
1491 | if (r < 0) | |
1492 | return r; | |
1493 | ||
1494 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1495 | char **pattern, *eq; | |
1496 | size_t prefix; | |
1497 | _cleanup_free_ char *u = NULL; | |
1498 | ||
1499 | eq = memchr(data, '=', size); | |
1500 | if (eq) | |
1501 | prefix = eq - (char*) data + 1; | |
1502 | else | |
1503 | prefix = 0; | |
1504 | ||
1505 | u = strndup((char*) data + prefix, size - prefix); | |
1506 | if (!u) | |
b56d608e | 1507 | return -ENOMEM; |
ea18a4b5 ZJS |
1508 | |
1509 | STRV_FOREACH(pattern, patterns) | |
1510 | if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) { | |
1511 | log_debug("Matched %s with pattern %s=%s", u, field, *pattern); | |
1512 | ||
1513 | r = set_consume(found, u); | |
1514 | u = NULL; | |
1515 | if (r < 0 && r != -EEXIST) | |
1516 | return r; | |
1517 | ||
1518 | break; | |
1519 | } | |
1520 | } | |
1521 | } | |
1522 | ||
1cc6c93a YW |
1523 | *units = TAKE_PTR(found); |
1524 | ||
ea18a4b5 ZJS |
1525 | return 0; |
1526 | } | |
1527 | ||
1528 | /* This list is supposed to return the superset of unit names | |
1529 | * possibly matched by rules added with add_matches_for_unit... */ | |
1530 | #define SYSTEM_UNITS \ | |
1531 | "_SYSTEMD_UNIT\0" \ | |
1532 | "COREDUMP_UNIT\0" \ | |
1533 | "UNIT\0" \ | |
1534 | "OBJECT_SYSTEMD_UNIT\0" \ | |
1535 | "_SYSTEMD_SLICE\0" | |
1536 | ||
1537 | /* ... and add_matches_for_user_unit */ | |
1538 | #define USER_UNITS \ | |
1539 | "_SYSTEMD_USER_UNIT\0" \ | |
1540 | "USER_UNIT\0" \ | |
1541 | "COREDUMP_USER_UNIT\0" \ | |
1542 | "OBJECT_SYSTEMD_USER_UNIT\0" | |
1543 | ||
1544 | static int add_units(sd_journal *j) { | |
1545 | _cleanup_strv_free_ char **patterns = NULL; | |
1546 | int r, count = 0; | |
b9e40524 | 1547 | char **i; |
c3f60ec5 LP |
1548 | |
1549 | assert(j); | |
1550 | ||
b9e40524 | 1551 | STRV_FOREACH(i, arg_system_units) { |
ea18a4b5 ZJS |
1552 | _cleanup_free_ char *u = NULL; |
1553 | ||
37cbc1d5 | 1554 | r = unit_name_mangle(*i, UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN), &u); |
7410616c LP |
1555 | if (r < 0) |
1556 | return r; | |
ea18a4b5 ZJS |
1557 | |
1558 | if (string_is_glob(u)) { | |
1559 | r = strv_push(&patterns, u); | |
1560 | if (r < 0) | |
1561 | return r; | |
1562 | u = NULL; | |
1563 | } else { | |
1564 | r = add_matches_for_unit(j, u); | |
1565 | if (r < 0) | |
1566 | return r; | |
1567 | r = sd_journal_add_disjunction(j); | |
1568 | if (r < 0) | |
1569 | return r; | |
313cefa1 | 1570 | count++; |
ea18a4b5 ZJS |
1571 | } |
1572 | } | |
1573 | ||
1574 | if (!strv_isempty(patterns)) { | |
1575 | _cleanup_set_free_free_ Set *units = NULL; | |
1576 | Iterator it; | |
1577 | char *u; | |
1578 | ||
1579 | r = get_possible_units(j, SYSTEM_UNITS, patterns, &units); | |
b9e40524 HH |
1580 | if (r < 0) |
1581 | return r; | |
ea18a4b5 ZJS |
1582 | |
1583 | SET_FOREACH(u, units, it) { | |
1584 | r = add_matches_for_unit(j, u); | |
1585 | if (r < 0) | |
1586 | return r; | |
1587 | r = sd_journal_add_disjunction(j); | |
1588 | if (r < 0) | |
1589 | return r; | |
313cefa1 | 1590 | count++; |
ea18a4b5 | 1591 | } |
b9e40524 | 1592 | } |
c3f60ec5 | 1593 | |
97b11eed | 1594 | patterns = strv_free(patterns); |
ea18a4b5 | 1595 | |
b9e40524 | 1596 | STRV_FOREACH(i, arg_user_units) { |
ea18a4b5 ZJS |
1597 | _cleanup_free_ char *u = NULL; |
1598 | ||
37cbc1d5 | 1599 | r = unit_name_mangle(*i, UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN), &u); |
7410616c LP |
1600 | if (r < 0) |
1601 | return r; | |
c3f60ec5 | 1602 | |
ea18a4b5 ZJS |
1603 | if (string_is_glob(u)) { |
1604 | r = strv_push(&patterns, u); | |
1605 | if (r < 0) | |
1606 | return r; | |
1607 | u = NULL; | |
1608 | } else { | |
1609 | r = add_matches_for_user_unit(j, u, getuid()); | |
1610 | if (r < 0) | |
1611 | return r; | |
1612 | r = sd_journal_add_disjunction(j); | |
1613 | if (r < 0) | |
1614 | return r; | |
313cefa1 | 1615 | count++; |
ea18a4b5 ZJS |
1616 | } |
1617 | } | |
1618 | ||
1619 | if (!strv_isempty(patterns)) { | |
1620 | _cleanup_set_free_free_ Set *units = NULL; | |
1621 | Iterator it; | |
1622 | char *u; | |
b9e40524 | 1623 | |
ea18a4b5 | 1624 | r = get_possible_units(j, USER_UNITS, patterns, &units); |
b9e40524 HH |
1625 | if (r < 0) |
1626 | return r; | |
1627 | ||
ea18a4b5 ZJS |
1628 | SET_FOREACH(u, units, it) { |
1629 | r = add_matches_for_user_unit(j, u, getuid()); | |
1630 | if (r < 0) | |
1631 | return r; | |
1632 | r = sd_journal_add_disjunction(j); | |
1633 | if (r < 0) | |
1634 | return r; | |
313cefa1 | 1635 | count++; |
ea18a4b5 | 1636 | } |
b9e40524 | 1637 | } |
c3f60ec5 | 1638 | |
ea18a4b5 ZJS |
1639 | /* Complain if the user request matches but nothing whatsoever was |
1640 | * found, since otherwise everything would be matched. */ | |
1641 | if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0) | |
1642 | return -ENODATA; | |
1643 | ||
cd34b3c6 HH |
1644 | r = sd_journal_add_conjunction(j); |
1645 | if (r < 0) | |
1646 | return r; | |
1647 | ||
c3f60ec5 LP |
1648 | return 0; |
1649 | } | |
1650 | ||
941e990d LP |
1651 | static int add_priorities(sd_journal *j) { |
1652 | char match[] = "PRIORITY=0"; | |
1653 | int i, r; | |
941e990d LP |
1654 | assert(j); |
1655 | ||
1656 | if (arg_priorities == 0xFF) | |
1657 | return 0; | |
1658 | ||
1659 | for (i = LOG_EMERG; i <= LOG_DEBUG; i++) | |
1660 | if (arg_priorities & (1 << i)) { | |
1661 | match[sizeof(match)-2] = '0' + i; | |
1662 | ||
941e990d | 1663 | r = sd_journal_add_match(j, match, strlen(match)); |
23bbb0de MS |
1664 | if (r < 0) |
1665 | return log_error_errno(r, "Failed to add match: %m"); | |
941e990d LP |
1666 | } |
1667 | ||
cd34b3c6 HH |
1668 | r = sd_journal_add_conjunction(j); |
1669 | if (r < 0) | |
b56d608e | 1670 | return log_error_errno(r, "Failed to add conjunction: %m"); |
cd34b3c6 | 1671 | |
941e990d LP |
1672 | return 0; |
1673 | } | |
1674 | ||
73083640 HH |
1675 | static int add_syslog_identifier(sd_journal *j) { |
1676 | int r; | |
1677 | char **i; | |
1678 | ||
1679 | assert(j); | |
1680 | ||
1681 | STRV_FOREACH(i, arg_syslog_identifier) { | |
6d946490 | 1682 | _cleanup_free_ char *u = NULL; |
73083640 | 1683 | |
6d946490 YW |
1684 | u = strjoin("SYSLOG_IDENTIFIER=", *i); |
1685 | if (!u) | |
1686 | return -ENOMEM; | |
73083640 HH |
1687 | r = sd_journal_add_match(j, u, 0); |
1688 | if (r < 0) | |
1689 | return r; | |
1690 | r = sd_journal_add_disjunction(j); | |
1691 | if (r < 0) | |
1692 | return r; | |
1693 | } | |
1694 | ||
1695 | r = sd_journal_add_conjunction(j); | |
1696 | if (r < 0) | |
1697 | return r; | |
1698 | ||
1699 | return 0; | |
1700 | } | |
1701 | ||
7560fffc | 1702 | static int setup_keys(void) { |
349cc4a5 | 1703 | #if HAVE_GCRYPT |
7560fffc LP |
1704 | size_t mpk_size, seed_size, state_size, i; |
1705 | uint8_t *mpk, *seed, *state; | |
11689d2a | 1706 | int fd = -1, r; |
7560fffc LP |
1707 | sd_id128_t machine, boot; |
1708 | char *p = NULL, *k = NULL; | |
baed47c3 | 1709 | struct FSSHeader h; |
14d10188 | 1710 | uint64_t n; |
b98e3866 SL |
1711 | struct stat st; |
1712 | ||
1713 | r = stat("/var/log/journal", &st); | |
4c701096 | 1714 | if (r < 0 && !IN_SET(errno, ENOENT, ENOTDIR)) |
4a62c710 | 1715 | return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal"); |
b98e3866 SL |
1716 | |
1717 | if (r < 0 || !S_ISDIR(st.st_mode)) { | |
1718 | log_error("%s is not a directory, must be using persistent logging for FSS.", | |
1719 | "/var/log/journal"); | |
1720 | return r < 0 ? -errno : -ENOTDIR; | |
1721 | } | |
7560fffc LP |
1722 | |
1723 | r = sd_id128_get_machine(&machine); | |
23bbb0de MS |
1724 | if (r < 0) |
1725 | return log_error_errno(r, "Failed to get machine ID: %m"); | |
7560fffc LP |
1726 | |
1727 | r = sd_id128_get_boot(&boot); | |
23bbb0de MS |
1728 | if (r < 0) |
1729 | return log_error_errno(r, "Failed to get boot ID: %m"); | |
7560fffc | 1730 | |
baed47c3 | 1731 | if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss", |
7560fffc LP |
1732 | SD_ID128_FORMAT_VAL(machine)) < 0) |
1733 | return log_oom(); | |
1734 | ||
faf9da01 ZJS |
1735 | if (arg_force) { |
1736 | r = unlink(p); | |
1737 | if (r < 0 && errno != ENOENT) { | |
1738 | r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p); | |
b8547c10 SL |
1739 | goto finish; |
1740 | } | |
faf9da01 ZJS |
1741 | } else if (access(p, F_OK) >= 0) { |
1742 | log_error("Sealing key file %s exists already. Use --force to recreate.", p); | |
1743 | r = -EEXIST; | |
1744 | goto finish; | |
7560fffc LP |
1745 | } |
1746 | ||
baed47c3 | 1747 | if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX", |
7560fffc LP |
1748 | SD_ID128_FORMAT_VAL(machine)) < 0) { |
1749 | r = log_oom(); | |
1750 | goto finish; | |
1751 | } | |
1752 | ||
1753 | mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1754 | mpk = alloca(mpk_size); | |
1755 | ||
1756 | seed_size = FSPRG_RECOMMENDED_SEEDLEN; | |
1757 | seed = alloca(seed_size); | |
1758 | ||
1759 | state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1760 | state = alloca(state_size); | |
1761 | ||
1762 | fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1763 | if (fd < 0) { | |
76ef789d | 1764 | r = log_error_errno(errno, "Failed to open /dev/random: %m"); |
7560fffc LP |
1765 | goto finish; |
1766 | } | |
1767 | ||
1768 | log_info("Generating seed..."); | |
a6dcc7e5 ZJS |
1769 | r = loop_read_exact(fd, seed, seed_size, true); |
1770 | if (r < 0) { | |
1771 | log_error_errno(r, "Failed to read random seed: %m"); | |
7560fffc LP |
1772 | goto finish; |
1773 | } | |
1774 | ||
1775 | log_info("Generating key pair..."); | |
1776 | FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR); | |
1777 | ||
baed47c3 | 1778 | log_info("Generating sealing key..."); |
7560fffc LP |
1779 | FSPRG_GenState0(state, mpk, seed, seed_size); |
1780 | ||
baed47c3 LP |
1781 | assert(arg_interval > 0); |
1782 | ||
7560fffc | 1783 | n = now(CLOCK_REALTIME); |
baed47c3 | 1784 | n /= arg_interval; |
7560fffc | 1785 | |
03e334a1 | 1786 | safe_close(fd); |
646853bd | 1787 | fd = mkostemp_safe(k); |
7560fffc | 1788 | if (fd < 0) { |
709f6e46 | 1789 | r = log_error_errno(fd, "Failed to open %s: %m", k); |
7560fffc LP |
1790 | goto finish; |
1791 | } | |
1792 | ||
f982e6f7 LP |
1793 | /* Enable secure remove, exclusion from dump, synchronous |
1794 | * writing and in-place updating */ | |
db9a4254 | 1795 | 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, NULL); |
11689d2a | 1796 | if (r < 0) |
709f6e46 | 1797 | log_warning_errno(r, "Failed to set file attributes: %m"); |
f982e6f7 | 1798 | |
7560fffc LP |
1799 | zero(h); |
1800 | memcpy(h.signature, "KSHHRHLP", 8); | |
1801 | h.machine_id = machine; | |
1802 | h.boot_id = boot; | |
1803 | h.header_size = htole64(sizeof(h)); | |
baed47c3 LP |
1804 | h.start_usec = htole64(n * arg_interval); |
1805 | h.interval_usec = htole64(arg_interval); | |
1806 | h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR); | |
1807 | h.fsprg_state_size = htole64(state_size); | |
7560fffc | 1808 | |
553acb7b ZJS |
1809 | r = loop_write(fd, &h, sizeof(h), false); |
1810 | if (r < 0) { | |
1811 | log_error_errno(r, "Failed to write header: %m"); | |
7560fffc LP |
1812 | goto finish; |
1813 | } | |
1814 | ||
553acb7b ZJS |
1815 | r = loop_write(fd, state, state_size, false); |
1816 | if (r < 0) { | |
1817 | log_error_errno(r, "Failed to write state: %m"); | |
7560fffc LP |
1818 | goto finish; |
1819 | } | |
1820 | ||
1821 | if (link(k, p) < 0) { | |
76ef789d | 1822 | r = log_error_errno(errno, "Failed to link file: %m"); |
7560fffc LP |
1823 | goto finish; |
1824 | } | |
1825 | ||
8481248b | 1826 | if (on_tty()) { |
7560fffc LP |
1827 | fprintf(stderr, |
1828 | "\n" | |
54f8c958 | 1829 | "The new key pair has been generated. The %ssecret sealing key%s has been written to\n" |
c05276f2 LP |
1830 | "the following local file. This key file is automatically updated when the\n" |
1831 | "sealing key is advanced. It should not be used on multiple hosts.\n" | |
7560fffc LP |
1832 | "\n" |
1833 | "\t%s\n" | |
1834 | "\n" | |
54f8c958 | 1835 | "Please write down the following %ssecret verification key%s. It should be stored\n" |
baed47c3 | 1836 | "at a safe location and should not be saved locally on disk.\n" |
54f8c958 LP |
1837 | "\n\t%s", |
1838 | ansi_highlight(), ansi_normal(), | |
9ea78383 | 1839 | p, |
54f8c958 | 1840 | ansi_highlight(), ansi_normal(), |
9ea78383 | 1841 | ansi_highlight_red()); |
7560fffc LP |
1842 | fflush(stderr); |
1843 | } | |
1844 | for (i = 0; i < seed_size; i++) { | |
1845 | if (i > 0 && i % 3 == 0) | |
1846 | putchar('-'); | |
1847 | printf("%02x", ((uint8_t*) seed)[i]); | |
1848 | } | |
1849 | ||
baed47c3 LP |
1850 | printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval); |
1851 | ||
8481248b | 1852 | if (on_tty()) { |
f6a971bc | 1853 | char tsb[FORMAT_TIMESPAN_MAX], *hn; |
7560fffc | 1854 | |
baed47c3 | 1855 | fprintf(stderr, |
54f8c958 | 1856 | "%s\n" |
baed47c3 | 1857 | "The sealing key is automatically changed every %s.\n", |
54f8c958 | 1858 | ansi_normal(), |
2fa4092c | 1859 | format_timespan(tsb, sizeof(tsb), arg_interval, 0)); |
f6a971bc LP |
1860 | |
1861 | hn = gethostname_malloc(); | |
1862 | ||
1863 | if (hn) { | |
ae691c1d | 1864 | hostname_cleanup(hn); |
adac1c93 | 1865 | fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine)); |
f6a971bc | 1866 | } else |
adac1c93 | 1867 | fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine)); |
f6a971bc | 1868 | |
349cc4a5 | 1869 | #if HAVE_QRENCODE |
cf5a3432 | 1870 | /* If this is not an UTF-8 system don't print any QR codes */ |
09017585 | 1871 | if (is_locale_utf8()) { |
cf5a3432 LP |
1872 | fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr); |
1873 | print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine); | |
1874 | } | |
f6a971bc LP |
1875 | #endif |
1876 | free(hn); | |
baed47c3 | 1877 | } |
7560fffc LP |
1878 | |
1879 | r = 0; | |
1880 | ||
1881 | finish: | |
03e334a1 | 1882 | safe_close(fd); |
7560fffc LP |
1883 | |
1884 | if (k) { | |
6990fb6b | 1885 | (void) unlink(k); |
7560fffc LP |
1886 | free(k); |
1887 | } | |
1888 | ||
1889 | free(p); | |
1890 | ||
1891 | return r; | |
1892 | #else | |
baaa35ad ZJS |
1893 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), |
1894 | "Forward-secure sealing not available."); | |
7560fffc LP |
1895 | #endif |
1896 | } | |
1897 | ||
beec0085 LP |
1898 | static int verify(sd_journal *j) { |
1899 | int r = 0; | |
1900 | Iterator i; | |
1901 | JournalFile *f; | |
1902 | ||
1903 | assert(j); | |
1904 | ||
cedb42bb LP |
1905 | log_show_color(true); |
1906 | ||
c1f906bd | 1907 | ORDERED_HASHMAP_FOREACH(f, j->files, i) { |
beec0085 | 1908 | int k; |
a7f7d1bd | 1909 | usec_t first = 0, validated = 0, last = 0; |
beec0085 | 1910 | |
349cc4a5 | 1911 | #if HAVE_GCRYPT |
feb12d3e | 1912 | if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) |
cedb42bb | 1913 | log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path); |
56e81f7c | 1914 | #endif |
4da416aa | 1915 | |
2a7b539a | 1916 | k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true); |
56e81f7c | 1917 | if (k == -EINVAL) { |
baed47c3 | 1918 | /* If the key was invalid give up right-away. */ |
56e81f7c LP |
1919 | return k; |
1920 | } else if (k < 0) { | |
e53fc357 | 1921 | log_warning_errno(k, "FAIL: %s (%m)", f->path); |
56e81f7c | 1922 | r = k; |
6c7be122 LP |
1923 | } else { |
1924 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX]; | |
beec0085 | 1925 | log_info("PASS: %s", f->path); |
6c7be122 | 1926 | |
c0ca7aee | 1927 | if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) { |
2a7b539a | 1928 | if (validated > 0) { |
c0ca7aee | 1929 | log_info("=> Validated from %s to %s, final %s entries not sealed.", |
5ab99e07 LP |
1930 | format_timestamp_maybe_utc(a, sizeof(a), first), |
1931 | format_timestamp_maybe_utc(b, sizeof(b), validated), | |
2fa4092c | 1932 | format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0)); |
2a7b539a | 1933 | } else if (last > 0) |
c0ca7aee | 1934 | log_info("=> No sealing yet, %s of entries not sealed.", |
2fa4092c | 1935 | format_timespan(c, sizeof(c), last - first, 0)); |
c0ca7aee LP |
1936 | else |
1937 | log_info("=> No sealing yet, no entries in file."); | |
1938 | } | |
6c7be122 | 1939 | } |
beec0085 LP |
1940 | } |
1941 | ||
1942 | return r; | |
1943 | } | |
1944 | ||
4f413af2 LP |
1945 | static int simple_varlink_call(const char *option, const char *method) { |
1946 | _cleanup_(varlink_flush_close_unrefp) Varlink *link = NULL; | |
1947 | const char *error; | |
74055aa7 LP |
1948 | int r; |
1949 | ||
4f413af2 LP |
1950 | if (arg_machine) |
1951 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "%s is not supported in conjunction with --machine=.", option); | |
74055aa7 | 1952 | |
4f413af2 | 1953 | r = varlink_connect_address(&link, "/run/systemd/journal/io.systemd.journal"); |
94b65516 | 1954 | if (r < 0) |
77740b59 ZJS |
1955 | return log_error_errno(r, "Failed to connect to /run/systemd/journal/io.systemd.journal: %m"); |
1956 | ||
1957 | (void) varlink_set_description(link, "journal"); | |
0bd3c210 | 1958 | (void) varlink_set_relative_timeout(link, USEC_INFINITY); |
74055aa7 | 1959 | |
4f413af2 LP |
1960 | r = varlink_call(link, method, NULL, NULL, &error, NULL); |
1961 | if (r < 0) | |
17087340 YW |
1962 | return log_error_errno(r, "Failed to execute varlink call: %m"); |
1963 | if (error) | |
1964 | return log_error_errno(SYNTHETIC_ERRNO(ENOANO), | |
1965 | "Failed to execute varlink call: %s", error); | |
74055aa7 | 1966 | |
4f413af2 | 1967 | return 0; |
74055aa7 LP |
1968 | } |
1969 | ||
4f413af2 LP |
1970 | static int flush_to_var(void) { |
1971 | return simple_varlink_call("--flush", "io.systemd.Journal.FlushToVar"); | |
94b65516 LP |
1972 | } |
1973 | ||
c0dfcb31 | 1974 | static int relinquish_var(void) { |
f2083c71 | 1975 | return simple_varlink_call("--relinquish-var/--smart-relinquish-var", "io.systemd.Journal.RelinquishVar"); |
c0dfcb31 LP |
1976 | } |
1977 | ||
dbd6e31c | 1978 | static int rotate(void) { |
4f413af2 | 1979 | return simple_varlink_call("--rotate", "io.systemd.Journal.Rotate"); |
dbd6e31c LP |
1980 | } |
1981 | ||
1982 | static int sync_journal(void) { | |
4f413af2 | 1983 | return simple_varlink_call("--sync", "io.systemd.Journal.Synchronize"); |
dbd6e31c LP |
1984 | } |
1985 | ||
2a1e0f22 LP |
1986 | static int wait_for_change(sd_journal *j, int poll_fd) { |
1987 | struct pollfd pollfds[] = { | |
1988 | { .fd = poll_fd, .events = POLLIN }, | |
1989 | { .fd = STDOUT_FILENO }, | |
1990 | }; | |
1991 | ||
1992 | struct timespec ts; | |
1993 | usec_t timeout; | |
a963990f | 1994 | int r; |
2a1e0f22 LP |
1995 | |
1996 | assert(j); | |
1997 | assert(poll_fd >= 0); | |
1998 | ||
1999 | /* Much like sd_journal_wait() but also keeps an eye on STDOUT, and exits as soon as we see a POLLHUP on that, | |
2000 | * i.e. when it is closed. */ | |
2001 | ||
2002 | r = sd_journal_get_timeout(j, &timeout); | |
2003 | if (r < 0) | |
2004 | return log_error_errno(r, "Failed to determine journal waiting time: %m"); | |
2005 | ||
8e143a12 ZJS |
2006 | if (ppoll(pollfds, ELEMENTSOF(pollfds), |
2007 | timeout == USEC_INFINITY ? NULL : timespec_store(&ts, timeout), NULL) < 0) { | |
2008 | if (errno == EINTR) | |
2009 | return 0; | |
2010 | ||
2a1e0f22 | 2011 | return log_error_errno(errno, "Couldn't wait for journal event: %m"); |
8e143a12 | 2012 | } |
2a1e0f22 | 2013 | |
baaa35ad ZJS |
2014 | if (pollfds[1].revents & (POLLHUP|POLLERR)) /* STDOUT has been closed? */ |
2015 | return log_debug_errno(SYNTHETIC_ERRNO(ECANCELED), | |
2016 | "Standard output has been closed."); | |
2a1e0f22 LP |
2017 | |
2018 | r = sd_journal_process(j); | |
2019 | if (r < 0) | |
2020 | return log_error_errno(r, "Failed to process journal events: %m"); | |
2021 | ||
2022 | return 0; | |
2023 | } | |
2024 | ||
2025 | int main(int argc, char *argv[]) { | |
2026 | bool previous_boot_id_valid = false, first_line = true, ellipsized = false, need_seek = false; | |
d9e15cbd | 2027 | bool use_cursor = false, after_cursor = false; |
4afd3348 | 2028 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
14a65d65 | 2029 | sd_id128_t previous_boot_id; |
2a1e0f22 | 2030 | int n_shown = 0, r, poll_fd = -1; |
a963990f | 2031 | |
a9cdc94f | 2032 | setlocale(LC_ALL, ""); |
1a043959 | 2033 | log_show_color(true); |
a963990f LP |
2034 | log_parse_environment(); |
2035 | log_open(); | |
2036 | ||
1abaf488 LP |
2037 | /* Increase max number of open files if we can, we might needs this when browsing journal files, which might be |
2038 | * split up into many files. */ | |
2039 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
2040 | ||
a963990f LP |
2041 | r = parse_argv(argc, argv); |
2042 | if (r <= 0) | |
2043 | goto finish; | |
2044 | ||
ed757c0c | 2045 | signal(SIGWINCH, columns_lines_cache_reset); |
2cf4172a | 2046 | sigbus_install(); |
ed757c0c | 2047 | |
a020b3b3 | 2048 | switch (arg_action) { |
94b65516 | 2049 | |
a020b3b3 | 2050 | case ACTION_NEW_ID128: |
0d1d512f | 2051 | r = id128_print_new(true); |
e3fdfb49 | 2052 | goto finish; |
e3fdfb49 | 2053 | |
a020b3b3 | 2054 | case ACTION_SETUP_KEYS: |
7560fffc LP |
2055 | r = setup_keys(); |
2056 | goto finish; | |
844ec79b | 2057 | |
a020b3b3 LP |
2058 | case ACTION_LIST_CATALOG: |
2059 | case ACTION_DUMP_CATALOG: | |
2060 | case ACTION_UPDATE_CATALOG: { | |
0c6ea3a4 ZJS |
2061 | _cleanup_free_ char *database; |
2062 | ||
652ef298 | 2063 | database = path_join(arg_root, CATALOG_DATABASE); |
0c6ea3a4 ZJS |
2064 | if (!database) { |
2065 | r = log_oom(); | |
2066 | goto finish; | |
13cbf3a5 ZJS |
2067 | } |
2068 | ||
844ec79b | 2069 | if (arg_action == ACTION_UPDATE_CATALOG) { |
13cbf3a5 | 2070 | r = catalog_update(database, arg_root, catalog_file_dirs); |
844ec79b | 2071 | if (r < 0) |
da927ba9 | 2072 | log_error_errno(r, "Failed to list catalog: %m"); |
844ec79b ZJS |
2073 | } else { |
2074 | bool oneline = arg_action == ACTION_LIST_CATALOG; | |
2075 | ||
0221d68a | 2076 | (void) pager_open(arg_pager_flags); |
a020b3b3 | 2077 | |
844ec79b | 2078 | if (optind < argc) |
a020b3b3 | 2079 | r = catalog_list_items(stdout, database, oneline, argv + optind); |
844ec79b | 2080 | else |
13cbf3a5 | 2081 | r = catalog_list(stdout, database, oneline); |
844ec79b | 2082 | if (r < 0) |
da927ba9 | 2083 | log_error_errno(r, "Failed to list catalog: %m"); |
844ec79b | 2084 | } |
d4205751 | 2085 | |
d4205751 LP |
2086 | goto finish; |
2087 | } | |
2088 | ||
a020b3b3 LP |
2089 | case ACTION_FLUSH: |
2090 | r = flush_to_var(); | |
2091 | goto finish; | |
2092 | ||
c0dfcb31 LP |
2093 | case ACTION_RELINQUISH_VAR: |
2094 | r = relinquish_var(); | |
2095 | goto finish; | |
2096 | ||
a020b3b3 LP |
2097 | case ACTION_SYNC: |
2098 | r = sync_journal(); | |
2099 | goto finish; | |
2100 | ||
2101 | case ACTION_ROTATE: | |
2102 | r = rotate(); | |
2103 | goto finish; | |
2104 | ||
2105 | case ACTION_SHOW: | |
2106 | case ACTION_PRINT_HEADER: | |
2107 | case ACTION_VERIFY: | |
2108 | case ACTION_DISK_USAGE: | |
2109 | case ACTION_LIST_BOOTS: | |
2110 | case ACTION_VACUUM: | |
8df64fd0 | 2111 | case ACTION_ROTATE_AND_VACUUM: |
69e714f3 LP |
2112 | case ACTION_LIST_FIELDS: |
2113 | case ACTION_LIST_FIELD_NAMES: | |
a020b3b3 LP |
2114 | /* These ones require access to the journal files, continue below. */ |
2115 | break; | |
2116 | ||
2117 | default: | |
2118 | assert_not_reached("Unknown action"); | |
2119 | } | |
2120 | ||
a963990f | 2121 | if (arg_directory) |
3f3a438f | 2122 | r = sd_journal_open_directory(&j, arg_directory, arg_journal_type); |
0a175093 ZJS |
2123 | else if (arg_root) |
2124 | r = sd_journal_open_directory(&j, arg_root, arg_journal_type | SD_JOURNAL_OS_ROOT); | |
5d1ce257 LP |
2125 | else if (arg_file_stdin) { |
2126 | int ifd = STDIN_FILENO; | |
2127 | r = sd_journal_open_files_fd(&j, &ifd, 1, 0); | |
2128 | } else if (arg_file) | |
8d98da3f | 2129 | r = sd_journal_open_files(&j, (const char**) arg_file, 0); |
d38c62cc LP |
2130 | else if (arg_machine) { |
2131 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2132 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2133 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
2134 | int fd; | |
2135 | ||
2136 | if (geteuid() != 0) { | |
2137 | /* The file descriptor returned by OpenMachineRootDirectory() will be owned by users/groups of | |
2138 | * the container, thus we need root privileges to override them. */ | |
2139 | log_error("Using the --machine= switch requires root privileges."); | |
2140 | r = -EPERM; | |
2141 | goto finish; | |
2142 | } | |
2143 | ||
2144 | r = sd_bus_open_system(&bus); | |
2145 | if (r < 0) { | |
2146 | log_error_errno(r, "Failed to open system bus: %m"); | |
2147 | goto finish; | |
2148 | } | |
2149 | ||
2150 | r = sd_bus_call_method( | |
2151 | bus, | |
2152 | "org.freedesktop.machine1", | |
2153 | "/org/freedesktop/machine1", | |
2154 | "org.freedesktop.machine1.Manager", | |
2155 | "OpenMachineRootDirectory", | |
2156 | &error, | |
2157 | &reply, | |
2158 | "s", arg_machine); | |
2159 | if (r < 0) { | |
2160 | log_error_errno(r, "Failed to open root directory: %s", bus_error_message(&error, r)); | |
2161 | goto finish; | |
2162 | } | |
2163 | ||
2164 | r = sd_bus_message_read(reply, "h", &fd); | |
2165 | if (r < 0) { | |
2166 | bus_log_parse_error(r); | |
2167 | goto finish; | |
2168 | } | |
2169 | ||
2170 | fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
2171 | if (fd < 0) { | |
2172 | r = log_error_errno(errno, "Failed to duplicate file descriptor: %m"); | |
2173 | goto finish; | |
2174 | } | |
2175 | ||
2176 | r = sd_journal_open_directory_fd(&j, fd, SD_JOURNAL_OS_ROOT); | |
2177 | if (r < 0) | |
2178 | safe_close(fd); | |
2179 | } else | |
3f3a438f | 2180 | r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); |
a963990f | 2181 | if (r < 0) { |
a020b3b3 | 2182 | log_error_errno(r, "Failed to open %s: %m", arg_directory ?: arg_file ? "files" : "journal"); |
909dea0c | 2183 | goto finish; |
a963990f LP |
2184 | } |
2185 | ||
e79d0b59 ZJS |
2186 | r = journal_access_check_and_warn(j, arg_quiet, |
2187 | !(arg_journal_type == SD_JOURNAL_CURRENT_USER || arg_user_units)); | |
6fe391c5 | 2188 | if (r < 0) |
909dea0c | 2189 | goto finish; |
6fe391c5 | 2190 | |
a020b3b3 | 2191 | switch (arg_action) { |
beec0085 | 2192 | |
a020b3b3 LP |
2193 | case ACTION_NEW_ID128: |
2194 | case ACTION_SETUP_KEYS: | |
2195 | case ACTION_LIST_CATALOG: | |
2196 | case ACTION_DUMP_CATALOG: | |
2197 | case ACTION_UPDATE_CATALOG: | |
2198 | case ACTION_FLUSH: | |
2199 | case ACTION_SYNC: | |
2200 | case ACTION_ROTATE: | |
2201 | assert_not_reached("Unexpected action."); | |
2202 | ||
2203 | case ACTION_PRINT_HEADER: | |
dca6219e | 2204 | journal_print_header(j); |
909dea0c LP |
2205 | r = 0; |
2206 | goto finish; | |
dca6219e | 2207 | |
a020b3b3 LP |
2208 | case ACTION_VERIFY: |
2209 | r = verify(j); | |
2210 | goto finish; | |
2211 | ||
2212 | case ACTION_DISK_USAGE: { | |
39883f62 | 2213 | uint64_t bytes = 0; |
a1a03e30 LP |
2214 | char sbytes[FORMAT_BYTES_MAX]; |
2215 | ||
2216 | r = sd_journal_get_usage(j, &bytes); | |
2217 | if (r < 0) | |
909dea0c | 2218 | goto finish; |
a1a03e30 | 2219 | |
8da830bc | 2220 | printf("Archived and active journals take up %s in the file system.\n", |
763c7aa2 | 2221 | format_bytes(sbytes, sizeof(sbytes), bytes)); |
909dea0c | 2222 | goto finish; |
a1a03e30 LP |
2223 | } |
2224 | ||
a020b3b3 LP |
2225 | case ACTION_LIST_BOOTS: |
2226 | r = list_boots(j); | |
2227 | goto finish; | |
2228 | ||
8df64fd0 LP |
2229 | case ACTION_ROTATE_AND_VACUUM: |
2230 | ||
2231 | r = rotate(); | |
2232 | if (r < 0) | |
2233 | goto finish; | |
2234 | ||
2235 | _fallthrough_; | |
2236 | ||
a020b3b3 | 2237 | case ACTION_VACUUM: { |
dbd2a83f LP |
2238 | Directory *d; |
2239 | Iterator i; | |
2240 | ||
2241 | HASHMAP_FOREACH(d, j->directories_by_path, i) { | |
2242 | int q; | |
2243 | ||
2244 | if (d->is_root) | |
2245 | continue; | |
2246 | ||
e3695e49 | 2247 | q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_n_files, arg_vacuum_time, NULL, !arg_quiet); |
dbd2a83f | 2248 | if (q < 0) { |
8580d1f7 | 2249 | log_error_errno(q, "Failed to vacuum %s: %m", d->path); |
dbd2a83f LP |
2250 | r = q; |
2251 | } | |
2252 | } | |
2253 | ||
909dea0c | 2254 | goto finish; |
dbd2a83f LP |
2255 | } |
2256 | ||
69e714f3 LP |
2257 | case ACTION_LIST_FIELD_NAMES: { |
2258 | const char *field; | |
2259 | ||
2260 | SD_JOURNAL_FOREACH_FIELD(j, field) { | |
2261 | printf("%s\n", field); | |
313cefa1 | 2262 | n_shown++; |
69e714f3 LP |
2263 | } |
2264 | ||
2265 | r = 0; | |
2266 | goto finish; | |
2267 | } | |
2268 | ||
a020b3b3 | 2269 | case ACTION_SHOW: |
69e714f3 | 2270 | case ACTION_LIST_FIELDS: |
a020b3b3 LP |
2271 | break; |
2272 | ||
2273 | default: | |
2274 | assert_not_reached("Unknown action"); | |
f1188074 ZJS |
2275 | } |
2276 | ||
0f1a9a83 JS |
2277 | if (arg_boot_offset != 0 && |
2278 | sd_journal_has_runtime_files(j) > 0 && | |
2279 | sd_journal_has_persistent_files(j) == 0) { | |
493097ee | 2280 | log_info("Specifying boot ID or boot offset has no effect, no persistent journal was found."); |
0f1a9a83 JS |
2281 | r = 0; |
2282 | goto finish; | |
2283 | } | |
a331b5e6 JJ |
2284 | /* add_boot() must be called first! |
2285 | * It may need to seek the journal to find parent boot IDs. */ | |
2286 | r = add_boot(j); | |
a963990f | 2287 | if (r < 0) |
909dea0c | 2288 | goto finish; |
a963990f | 2289 | |
99271804 ZJS |
2290 | r = add_dmesg(j); |
2291 | if (r < 0) | |
909dea0c | 2292 | goto finish; |
99271804 | 2293 | |
b9e40524 | 2294 | r = add_units(j); |
ea18a4b5 | 2295 | if (r < 0) { |
da927ba9 | 2296 | log_error_errno(r, "Failed to add filter for units: %m"); |
909dea0c | 2297 | goto finish; |
ea18a4b5 | 2298 | } |
c3f60ec5 | 2299 | |
73083640 HH |
2300 | r = add_syslog_identifier(j); |
2301 | if (r < 0) { | |
da927ba9 | 2302 | log_error_errno(r, "Failed to add filter for syslog identifiers: %m"); |
909dea0c | 2303 | goto finish; |
73083640 HH |
2304 | } |
2305 | ||
cd34b3c6 | 2306 | r = add_priorities(j); |
b56d608e | 2307 | if (r < 0) |
909dea0c | 2308 | goto finish; |
a963990f | 2309 | |
cd34b3c6 | 2310 | r = add_matches(j, argv + optind); |
b56d608e | 2311 | if (r < 0) |
909dea0c | 2312 | goto finish; |
941e990d | 2313 | |
f1d34068 | 2314 | if (DEBUG_LOGGING) { |
4ad16808 ZJS |
2315 | _cleanup_free_ char *filter; |
2316 | ||
2317 | filter = journal_make_match_string(j); | |
b56d608e LP |
2318 | if (!filter) |
2319 | return log_oom(); | |
2320 | ||
4ad16808 ZJS |
2321 | log_debug("Journal filter: %s", filter); |
2322 | } | |
67e04a48 | 2323 | |
69e714f3 | 2324 | if (arg_action == ACTION_LIST_FIELDS) { |
15119c16 LP |
2325 | const void *data; |
2326 | size_t size; | |
2327 | ||
69e714f3 LP |
2328 | assert(arg_field); |
2329 | ||
21ae4593 ZJS |
2330 | r = sd_journal_set_data_threshold(j, 0); |
2331 | if (r < 0) { | |
b56d608e | 2332 | log_error_errno(r, "Failed to unset data size threshold: %m"); |
909dea0c | 2333 | goto finish; |
21ae4593 ZJS |
2334 | } |
2335 | ||
15119c16 LP |
2336 | r = sd_journal_query_unique(j, arg_field); |
2337 | if (r < 0) { | |
da927ba9 | 2338 | log_error_errno(r, "Failed to query unique data objects: %m"); |
909dea0c | 2339 | goto finish; |
15119c16 LP |
2340 | } |
2341 | ||
2342 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
2343 | const void *eq; | |
2344 | ||
67e04a48 | 2345 | if (arg_lines >= 0 && n_shown >= arg_lines) |
fd6e8875 LP |
2346 | break; |
2347 | ||
15119c16 LP |
2348 | eq = memchr(data, '=', size); |
2349 | if (eq) | |
2350 | printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1); | |
2351 | else | |
2352 | printf("%.*s\n", (int) size, (const char*) data); | |
fd6e8875 | 2353 | |
313cefa1 | 2354 | n_shown++; |
15119c16 LP |
2355 | } |
2356 | ||
909dea0c LP |
2357 | r = 0; |
2358 | goto finish; | |
15119c16 LP |
2359 | } |
2360 | ||
8d98da3f ZJS |
2361 | /* Opening the fd now means the first sd_journal_wait() will actually wait */ |
2362 | if (arg_follow) { | |
2a1e0f22 LP |
2363 | poll_fd = sd_journal_get_fd(j); |
2364 | if (poll_fd == -EMFILE) { | |
5238e957 | 2365 | log_warning_errno(poll_fd, "Insufficient watch descriptors available. Reverting to -n."); |
321ed364 | 2366 | arg_follow = false; |
2a1e0f22 LP |
2367 | } else if (poll_fd == -EMEDIUMTYPE) { |
2368 | log_error_errno(poll_fd, "The --follow switch is not supported in conjunction with reading from STDIN."); | |
5d1ce257 | 2369 | goto finish; |
2a1e0f22 LP |
2370 | } else if (poll_fd < 0) { |
2371 | log_error_errno(poll_fd, "Failed to get journal fd: %m"); | |
909dea0c | 2372 | goto finish; |
b56d608e | 2373 | } |
8d98da3f ZJS |
2374 | } |
2375 | ||
d9e15cbd JS |
2376 | if (arg_cursor || arg_after_cursor || arg_cursor_file) { |
2377 | _cleanup_free_ char *cursor_from_file = NULL; | |
2378 | const char *cursor = arg_cursor ?: arg_after_cursor; | |
2379 | ||
2380 | if (arg_cursor_file) { | |
2381 | r = read_one_line_file(arg_cursor_file, &cursor_from_file); | |
2382 | if (r < 0 && r != -ENOENT) { | |
2383 | log_error_errno(r, "Failed to read cursor file %s: %m", arg_cursor_file); | |
2384 | goto finish; | |
2385 | } | |
2386 | ||
2387 | if (r > 0) { | |
2388 | cursor = cursor_from_file; | |
2389 | after_cursor = true; | |
2390 | } | |
2391 | } else | |
2392 | after_cursor = !!arg_after_cursor; | |
2393 | ||
2394 | if (cursor) { | |
2395 | r = sd_journal_seek_cursor(j, cursor); | |
2396 | if (r < 0) { | |
2397 | log_error_errno(r, "Failed to seek to cursor: %m"); | |
2398 | goto finish; | |
2399 | } | |
2400 | use_cursor = true; | |
08984293 | 2401 | } |
d9e15cbd | 2402 | } |
909dea0c | 2403 | |
d9e15cbd | 2404 | if (use_cursor) { |
d89d6c86 | 2405 | if (!arg_reverse) |
d9e15cbd | 2406 | r = sd_journal_next_skip(j, 1 + after_cursor); |
d89d6c86 | 2407 | else |
d9e15cbd | 2408 | r = sd_journal_previous_skip(j, 1 + after_cursor); |
248fc619 | 2409 | |
d9e15cbd | 2410 | if (after_cursor && r < 2) { |
248fc619 | 2411 | /* We couldn't find the next entry after the cursor. */ |
8ee8e536 WD |
2412 | if (arg_follow) |
2413 | need_seek = true; | |
2414 | else | |
2415 | arg_lines = 0; | |
2416 | } | |
08984293 | 2417 | |
d89d6c86 | 2418 | } else if (arg_since_set && !arg_reverse) { |
cfbc22ab | 2419 | r = sd_journal_seek_realtime_usec(j, arg_since); |
8f14c832 | 2420 | if (r < 0) { |
da927ba9 | 2421 | log_error_errno(r, "Failed to seek to date: %m"); |
909dea0c | 2422 | goto finish; |
8f14c832 | 2423 | } |
8f14c832 LP |
2424 | r = sd_journal_next(j); |
2425 | ||
d89d6c86 LN |
2426 | } else if (arg_until_set && arg_reverse) { |
2427 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
2428 | if (r < 0) { | |
da927ba9 | 2429 | log_error_errno(r, "Failed to seek to date: %m"); |
909dea0c | 2430 | goto finish; |
d89d6c86 LN |
2431 | } |
2432 | r = sd_journal_previous(j); | |
2433 | ||
67e04a48 | 2434 | } else if (arg_lines >= 0) { |
2100675e LP |
2435 | r = sd_journal_seek_tail(j); |
2436 | if (r < 0) { | |
da927ba9 | 2437 | log_error_errno(r, "Failed to seek to tail: %m"); |
909dea0c | 2438 | goto finish; |
2100675e LP |
2439 | } |
2440 | ||
2441 | r = sd_journal_previous_skip(j, arg_lines); | |
8f14c832 | 2442 | |
d89d6c86 LN |
2443 | } else if (arg_reverse) { |
2444 | r = sd_journal_seek_tail(j); | |
2445 | if (r < 0) { | |
da927ba9 | 2446 | log_error_errno(r, "Failed to seek to tail: %m"); |
909dea0c | 2447 | goto finish; |
d89d6c86 LN |
2448 | } |
2449 | ||
2450 | r = sd_journal_previous(j); | |
2451 | ||
2100675e LP |
2452 | } else { |
2453 | r = sd_journal_seek_head(j); | |
2454 | if (r < 0) { | |
da927ba9 | 2455 | log_error_errno(r, "Failed to seek to head: %m"); |
909dea0c | 2456 | goto finish; |
2100675e | 2457 | } |
6f003b43 LP |
2458 | |
2459 | r = sd_journal_next(j); | |
2460 | } | |
2461 | ||
2462 | if (r < 0) { | |
da927ba9 | 2463 | log_error_errno(r, "Failed to iterate through journal: %m"); |
909dea0c | 2464 | goto finish; |
50f20cfd | 2465 | } |
5f42943c LK |
2466 | if (r == 0) |
2467 | need_seek = true; | |
87d2c1ff | 2468 | |
faf5077f | 2469 | if (!arg_follow) |
0221d68a | 2470 | (void) pager_open(arg_pager_flags); |
0d43c694 | 2471 | |
5f42943c | 2472 | if (!arg_quiet && (arg_lines != 0 || arg_follow)) { |
cfbc22ab LP |
2473 | usec_t start, end; |
2474 | char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX]; | |
2475 | ||
2476 | r = sd_journal_get_cutoff_realtime_usec(j, &start, &end); | |
2477 | if (r < 0) { | |
da927ba9 | 2478 | log_error_errno(r, "Failed to get cutoff: %m"); |
cfbc22ab LP |
2479 | goto finish; |
2480 | } | |
2481 | ||
2482 | if (r > 0) { | |
2483 | if (arg_follow) | |
9048b11f | 2484 | printf("-- Logs begin at %s. --\n", |
5ab99e07 | 2485 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start)); |
cfbc22ab | 2486 | else |
9048b11f | 2487 | printf("-- Logs begin at %s, end at %s. --\n", |
5ab99e07 LP |
2488 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start), |
2489 | format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end)); | |
cfbc22ab LP |
2490 | } |
2491 | } | |
2492 | ||
50f20cfd | 2493 | for (;;) { |
67e04a48 | 2494 | while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) { |
cfbc22ab | 2495 | int flags; |
b4766d5f | 2496 | size_t highlight[2] = {}; |
cfbc22ab | 2497 | |
6f003b43 | 2498 | if (need_seek) { |
99613ec5 | 2499 | if (!arg_reverse) |
d89d6c86 LN |
2500 | r = sd_journal_next(j); |
2501 | else | |
2502 | r = sd_journal_previous(j); | |
6f003b43 | 2503 | if (r < 0) { |
da927ba9 | 2504 | log_error_errno(r, "Failed to iterate through journal: %m"); |
6f003b43 LP |
2505 | goto finish; |
2506 | } | |
a72b6353 ZJS |
2507 | if (r == 0) |
2508 | break; | |
0d43c694 LP |
2509 | } |
2510 | ||
d89d6c86 | 2511 | if (arg_until_set && !arg_reverse) { |
cfbc22ab LP |
2512 | usec_t usec; |
2513 | ||
2514 | r = sd_journal_get_realtime_usec(j, &usec); | |
2515 | if (r < 0) { | |
da927ba9 | 2516 | log_error_errno(r, "Failed to determine timestamp: %m"); |
cfbc22ab LP |
2517 | goto finish; |
2518 | } | |
3ba09ee8 PF |
2519 | if (usec > arg_until) |
2520 | goto finish; | |
cfbc22ab LP |
2521 | } |
2522 | ||
d89d6c86 LN |
2523 | if (arg_since_set && arg_reverse) { |
2524 | usec_t usec; | |
2525 | ||
2526 | r = sd_journal_get_realtime_usec(j, &usec); | |
2527 | if (r < 0) { | |
da927ba9 | 2528 | log_error_errno(r, "Failed to determine timestamp: %m"); |
d89d6c86 LN |
2529 | goto finish; |
2530 | } | |
2531 | if (usec < arg_since) | |
2532 | goto finish; | |
2533 | } | |
2534 | ||
4bed2485 | 2535 | if (!arg_merge && !arg_quiet) { |
cd931c0a | 2536 | sd_id128_t boot_id; |
14a65d65 | 2537 | |
cd931c0a LP |
2538 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); |
2539 | if (r >= 0) { | |
2540 | if (previous_boot_id_valid && | |
2541 | !sd_id128_equal(boot_id, previous_boot_id)) | |
0b5a519c | 2542 | printf("%s-- Reboot --%s\n", |
1fc464f6 | 2543 | ansi_highlight(), ansi_normal()); |
cd931c0a LP |
2544 | |
2545 | previous_boot_id = boot_id; | |
2546 | previous_boot_id_valid = true; | |
2547 | } | |
14a65d65 LP |
2548 | } |
2549 | ||
6becf48c | 2550 | #if HAVE_PCRE2 |
61c5f8a1 | 2551 | if (arg_compiled_pattern) { |
6becf48c ZJS |
2552 | _cleanup_(pcre2_match_data_freep) pcre2_match_data *md = NULL; |
2553 | const void *message; | |
2554 | size_t len; | |
b4766d5f | 2555 | PCRE2_SIZE *ovec; |
6becf48c ZJS |
2556 | |
2557 | md = pcre2_match_data_create(1, NULL); | |
2558 | if (!md) | |
2559 | return log_oom(); | |
2560 | ||
2561 | r = sd_journal_get_data(j, "MESSAGE", &message, &len); | |
2562 | if (r < 0) { | |
2563 | if (r == -ENOENT) { | |
2564 | need_seek = true; | |
2565 | continue; | |
2566 | } | |
2567 | ||
2568 | log_error_errno(r, "Failed to get MESSAGE field: %m"); | |
2569 | goto finish; | |
2570 | } | |
2571 | ||
2572 | assert_se(message = startswith(message, "MESSAGE=")); | |
2573 | ||
61c5f8a1 | 2574 | r = pcre2_match(arg_compiled_pattern, |
6becf48c ZJS |
2575 | message, |
2576 | len - strlen("MESSAGE="), | |
2577 | 0, /* start at offset 0 in the subject */ | |
2578 | 0, /* default options */ | |
2579 | md, | |
2580 | NULL); | |
2581 | if (r == PCRE2_ERROR_NOMATCH) { | |
2582 | need_seek = true; | |
2583 | continue; | |
2584 | } | |
2585 | if (r < 0) { | |
2586 | unsigned char buf[LINE_MAX]; | |
2587 | int r2; | |
2588 | ||
2589 | r2 = pcre2_get_error_message(r, buf, sizeof buf); | |
2590 | log_error("Pattern matching failed: %s", | |
2591 | r2 < 0 ? "unknown error" : (char*) buf); | |
2592 | r = -EINVAL; | |
2593 | goto finish; | |
2594 | } | |
b4766d5f ZJS |
2595 | |
2596 | ovec = pcre2_get_ovector_pointer(md); | |
2597 | highlight[0] = ovec[0]; | |
2598 | highlight[1] = ovec[1]; | |
6becf48c ZJS |
2599 | } |
2600 | #endif | |
2601 | ||
cfbc22ab | 2602 | flags = |
cd4b13e0 | 2603 | arg_all * OUTPUT_SHOW_ALL | |
2b8f6883 | 2604 | arg_full * OUTPUT_FULL_WIDTH | |
40c9fe4c | 2605 | colors_enabled() * OUTPUT_COLOR | |
9fd29044 | 2606 | arg_catalog * OUTPUT_CATALOG | |
991e274b LP |
2607 | arg_utc * OUTPUT_UTC | |
2608 | arg_no_hostname * OUTPUT_NO_HOSTNAME; | |
cfbc22ab | 2609 | |
9b972c9a ZJS |
2610 | r = show_journal_entry(stdout, j, arg_output, 0, flags, |
2611 | arg_output_fields, highlight, &ellipsized); | |
a72b6353 ZJS |
2612 | need_seek = true; |
2613 | if (r == -EADDRNOTAVAIL) | |
2614 | break; | |
2a1e0f22 | 2615 | else if (r < 0) |
72f59706 | 2616 | goto finish; |
6f003b43 | 2617 | |
cfbc22ab | 2618 | n_shown++; |
ec316d19 PP |
2619 | |
2620 | /* If journalctl take a long time to process messages, and during that time journal file | |
2621 | * rotation occurs, a journalctl client will keep those rotated files open until it calls | |
2622 | * sd_journal_process(), which typically happens as a result of calling sd_journal_wait() below | |
2623 | * in the "following" case. By periodically calling sd_journal_process() during the processing | |
2624 | * loop we shrink the window of time a client instance has open file descriptors for rotated | |
2625 | * (deleted) journal files. */ | |
2626 | if ((n_shown % PROCESS_INOTIFY_INTERVAL) == 0) { | |
2627 | r = sd_journal_process(j); | |
2628 | if (r < 0) { | |
2629 | log_error_errno(r, "Failed to process inotify events: %m"); | |
2630 | goto finish; | |
2631 | } | |
2632 | } | |
87d2c1ff LP |
2633 | } |
2634 | ||
248fc619 | 2635 | if (!arg_follow) { |
5f42943c LK |
2636 | if (n_shown == 0 && !arg_quiet) |
2637 | printf("-- No entries --\n"); | |
2638 | ||
d9e15cbd | 2639 | if (arg_show_cursor || arg_cursor_file) { |
248fc619 ZJS |
2640 | _cleanup_free_ char *cursor = NULL; |
2641 | ||
2642 | r = sd_journal_get_cursor(j, &cursor); | |
2643 | if (r < 0 && r != -EADDRNOTAVAIL) | |
da927ba9 | 2644 | log_error_errno(r, "Failed to get cursor: %m"); |
d9e15cbd JS |
2645 | else if (r >= 0) { |
2646 | if (arg_show_cursor) | |
2647 | printf("-- cursor: %s\n", cursor); | |
2648 | ||
2649 | if (arg_cursor_file) { | |
2650 | r = write_string_file(arg_cursor_file, cursor, | |
2651 | WRITE_STRING_FILE_CREATE | | |
2652 | WRITE_STRING_FILE_ATOMIC); | |
2653 | if (r < 0) | |
2654 | log_error_errno(r, | |
2655 | "Failed to write new cursor to %s: %m", | |
2656 | arg_cursor_file); | |
2657 | } | |
2658 | } | |
248fc619 ZJS |
2659 | } |
2660 | ||
50f20cfd | 2661 | break; |
248fc619 | 2662 | } |
50f20cfd | 2663 | |
b1aa5ced | 2664 | fflush(stdout); |
2a1e0f22 LP |
2665 | |
2666 | r = wait_for_change(j, poll_fd); | |
2667 | if (r < 0) | |
50f20cfd | 2668 | goto finish; |
67e04a48 ZJS |
2669 | |
2670 | first_line = false; | |
de190aef | 2671 | } |
87d2c1ff LP |
2672 | |
2673 | finish: | |
b1aa5ced | 2674 | fflush(stdout); |
0d43c694 LP |
2675 | pager_close(); |
2676 | ||
a36b8deb ZJS |
2677 | strv_free(arg_file); |
2678 | ||
d52da205 LP |
2679 | strv_free(arg_syslog_identifier); |
2680 | strv_free(arg_system_units); | |
2681 | strv_free(arg_user_units); | |
cc25a67e | 2682 | strv_free(arg_output_fields); |
d52da205 | 2683 | |
0f03c2a4 | 2684 | free(arg_root); |
6bae9b2a | 2685 | free(arg_verify_key); |
0f03c2a4 | 2686 | |
6becf48c | 2687 | #if HAVE_PCRE2 |
6cda6774 | 2688 | if (arg_compiled_pattern) { |
61c5f8a1 | 2689 | pcre2_code_free(arg_compiled_pattern); |
6cda6774 FS |
2690 | |
2691 | /* --grep was used, no error was thrown, but the pattern didn't | |
2692 | * match anything. Let's mimic grep's behavior here and return | |
2693 | * a non-zero exit code, so journalctl --grep can be used | |
2694 | * in scripts and such */ | |
2695 | if (r == 0 && n_shown == 0) | |
2696 | r = -ENOENT; | |
2697 | } | |
6becf48c ZJS |
2698 | #endif |
2699 | ||
3fbf9cbb | 2700 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
87d2c1ff | 2701 | } |