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87d2c1ff LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
87d2c1ff LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
87d2c1ff | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
87d2c1ff LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
3f6fd1ba | 20 | #include <errno.h> |
87d2c1ff | 21 | #include <fcntl.h> |
ea18a4b5 | 22 | #include <fnmatch.h> |
3f6fd1ba LP |
23 | #include <getopt.h> |
24 | #include <linux/fs.h> | |
25 | #include <locale.h> | |
26 | #include <poll.h> | |
27 | #include <signal.h> | |
87d2c1ff | 28 | #include <stddef.h> |
3fbf9cbb | 29 | #include <stdio.h> |
3fbf9cbb | 30 | #include <stdlib.h> |
3f6fd1ba | 31 | #include <string.h> |
74055aa7 | 32 | #include <sys/inotify.h> |
3f6fd1ba LP |
33 | #include <sys/stat.h> |
34 | #include <unistd.h> | |
87d2c1ff | 35 | |
74055aa7 | 36 | #include "sd-bus.h" |
3f6fd1ba LP |
37 | #include "sd-journal.h" |
38 | ||
f8eeeaf9 | 39 | #include "acl-util.h" |
b5efdb8a | 40 | #include "alloc-util.h" |
3f6fd1ba LP |
41 | #include "bus-error.h" |
42 | #include "bus-util.h" | |
43 | #include "catalog.h" | |
c8b3094d | 44 | #include "chattr-util.h" |
3ffd4af2 | 45 | #include "fd-util.h" |
68fee104 | 46 | #include "fileio.h" |
f4f15635 | 47 | #include "fs-util.h" |
3f6fd1ba | 48 | #include "fsprg.h" |
7d50b32a | 49 | #include "glob-util.h" |
3f6fd1ba | 50 | #include "hostname-util.h" |
c004493c | 51 | #include "io-util.h" |
7560fffc | 52 | #include "journal-def.h" |
3f6fd1ba | 53 | #include "journal-internal.h" |
f6a971bc | 54 | #include "journal-qrcode.h" |
dbd2a83f | 55 | #include "journal-vacuum.h" |
3f6fd1ba | 56 | #include "journal-verify.h" |
8752c575 | 57 | #include "locale-util.h" |
3f6fd1ba LP |
58 | #include "log.h" |
59 | #include "logs-show.h" | |
74055aa7 | 60 | #include "mkdir.h" |
3f6fd1ba | 61 | #include "pager.h" |
6bedfcbb | 62 | #include "parse-util.h" |
3f6fd1ba | 63 | #include "path-util.h" |
78f22b97 | 64 | #include "rlimit-util.h" |
3f6fd1ba LP |
65 | #include "set.h" |
66 | #include "sigbus.h" | |
67 | #include "strv.h" | |
7ccbd1ae | 68 | #include "syslog-util.h" |
288a74cc | 69 | #include "terminal-util.h" |
795ab08f MS |
70 | #include "udev.h" |
71 | #include "udev-util.h" | |
3f6fd1ba | 72 | #include "unit-name.h" |
b1d4f8e1 | 73 | #include "user-util.h" |
7560fffc | 74 | |
baed47c3 | 75 | #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) |
250d54b5 | 76 | |
97e1cc8b LP |
77 | enum { |
78 | /* Special values for arg_lines */ | |
79 | ARG_LINES_DEFAULT = -2, | |
80 | ARG_LINES_ALL = -1, | |
81 | }; | |
82 | ||
df50185b | 83 | static OutputMode arg_output = OUTPUT_SHORT; |
9fd29044 | 84 | static bool arg_utc = false; |
1b12a7b5 | 85 | static bool arg_pager_end = false; |
72f59706 | 86 | static bool arg_follow = false; |
2b8f6883 | 87 | static bool arg_full = true; |
cd4b13e0 | 88 | static bool arg_all = false; |
0d43c694 | 89 | static bool arg_no_pager = false; |
97e1cc8b | 90 | static int arg_lines = ARG_LINES_DEFAULT; |
e91af489 | 91 | static bool arg_no_tail = false; |
43673799 | 92 | static bool arg_quiet = false; |
9e8a535f | 93 | static bool arg_merge = false; |
d121b396 | 94 | static bool arg_boot = false; |
442e2def LP |
95 | static sd_id128_t arg_boot_id = {}; |
96 | static int arg_boot_offset = 0; | |
99271804 | 97 | static bool arg_dmesg = false; |
991e274b | 98 | static bool arg_no_hostname = false; |
8f14c832 | 99 | static const char *arg_cursor = NULL; |
248fc619 ZJS |
100 | static const char *arg_after_cursor = NULL; |
101 | static bool arg_show_cursor = false; | |
a963990f | 102 | static const char *arg_directory = NULL; |
8d98da3f | 103 | static char **arg_file = NULL; |
5d1ce257 | 104 | static bool arg_file_stdin = false; |
941e990d | 105 | static int arg_priorities = 0xFF; |
baed47c3 | 106 | static const char *arg_verify_key = NULL; |
feb12d3e | 107 | #ifdef HAVE_GCRYPT |
baed47c3 | 108 | static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC; |
b8547c10 | 109 | static bool arg_force = false; |
feb12d3e | 110 | #endif |
cfbc22ab LP |
111 | static usec_t arg_since, arg_until; |
112 | static bool arg_since_set = false, arg_until_set = false; | |
73083640 | 113 | static char **arg_syslog_identifier = NULL; |
b9e40524 HH |
114 | static char **arg_system_units = NULL; |
115 | static char **arg_user_units = NULL; | |
3c1668da | 116 | static const char *arg_field = NULL; |
d4205751 | 117 | static bool arg_catalog = false; |
d89d6c86 | 118 | static bool arg_reverse = false; |
3f3a438f | 119 | static int arg_journal_type = 0; |
0f03c2a4 | 120 | static char *arg_root = NULL; |
b6741478 | 121 | static const char *arg_machine = NULL; |
8580d1f7 LP |
122 | static uint64_t arg_vacuum_size = 0; |
123 | static uint64_t arg_vacuum_n_files = 0; | |
124 | static usec_t arg_vacuum_time = 0; | |
50f20cfd | 125 | |
7560fffc LP |
126 | static enum { |
127 | ACTION_SHOW, | |
128 | ACTION_NEW_ID128, | |
129 | ACTION_PRINT_HEADER, | |
beec0085 | 130 | ACTION_SETUP_KEYS, |
a1a03e30 LP |
131 | ACTION_VERIFY, |
132 | ACTION_DISK_USAGE, | |
d4205751 | 133 | ACTION_LIST_CATALOG, |
54b7254c | 134 | ACTION_DUMP_CATALOG, |
f1188074 ZJS |
135 | ACTION_UPDATE_CATALOG, |
136 | ACTION_LIST_BOOTS, | |
74055aa7 | 137 | ACTION_FLUSH, |
a020b3b3 | 138 | ACTION_SYNC, |
e3fdfb49 | 139 | ACTION_ROTATE, |
dbd2a83f | 140 | ACTION_VACUUM, |
69e714f3 LP |
141 | ACTION_LIST_FIELDS, |
142 | ACTION_LIST_FIELD_NAMES, | |
7560fffc LP |
143 | } arg_action = ACTION_SHOW; |
144 | ||
45bc27b6 | 145 | typedef struct BootId { |
a331b5e6 | 146 | sd_id128_t id; |
f1188074 ZJS |
147 | uint64_t first; |
148 | uint64_t last; | |
45bc27b6 LP |
149 | LIST_FIELDS(struct BootId, boot_list); |
150 | } BootId; | |
a331b5e6 | 151 | |
795ab08f MS |
152 | static int add_matches_for_device(sd_journal *j, const char *devpath) { |
153 | int r; | |
154 | _cleanup_udev_unref_ struct udev *udev = NULL; | |
155 | _cleanup_udev_device_unref_ struct udev_device *device = NULL; | |
156 | struct udev_device *d = NULL; | |
157 | struct stat st; | |
158 | ||
159 | assert(j); | |
160 | assert(devpath); | |
161 | ||
162 | if (!path_startswith(devpath, "/dev/")) { | |
163 | log_error("Devpath does not start with /dev/"); | |
164 | return -EINVAL; | |
165 | } | |
166 | ||
167 | udev = udev_new(); | |
168 | if (!udev) | |
169 | return log_oom(); | |
170 | ||
171 | r = stat(devpath, &st); | |
172 | if (r < 0) | |
173 | log_error_errno(errno, "Couldn't stat file: %m"); | |
174 | ||
175 | d = device = udev_device_new_from_devnum(udev, S_ISBLK(st.st_mode) ? 'b' : 'c', st.st_rdev); | |
176 | if (!device) | |
177 | return log_error_errno(errno, "Failed to get udev device from devnum %u:%u: %m", major(st.st_rdev), minor(st.st_rdev)); | |
178 | ||
179 | while (d) { | |
180 | _cleanup_free_ char *match = NULL; | |
181 | const char *subsys, *sysname, *devnode; | |
182 | ||
183 | subsys = udev_device_get_subsystem(d); | |
184 | if (!subsys) { | |
185 | d = udev_device_get_parent(d); | |
186 | continue; | |
187 | } | |
188 | ||
189 | sysname = udev_device_get_sysname(d); | |
190 | if (!sysname) { | |
191 | d = udev_device_get_parent(d); | |
192 | continue; | |
193 | } | |
194 | ||
195 | match = strjoin("_KERNEL_DEVICE=+", subsys, ":", sysname, NULL); | |
196 | if (!match) | |
197 | return log_oom(); | |
198 | ||
199 | r = sd_journal_add_match(j, match, 0); | |
200 | if (r < 0) | |
201 | return log_error_errno(r, "Failed to add match: %m"); | |
202 | ||
203 | devnode = udev_device_get_devnode(d); | |
204 | if (devnode) { | |
205 | _cleanup_free_ char *match1 = NULL; | |
206 | ||
207 | r = stat(devnode, &st); | |
208 | if (r < 0) | |
209 | return log_error_errno(r, "Failed to stat() device node \"%s\": %m", devnode); | |
210 | ||
211 | r = asprintf(&match1, "_KERNEL_DEVICE=%c%u:%u", S_ISBLK(st.st_mode) ? 'b' : 'c', major(st.st_rdev), minor(st.st_rdev)); | |
212 | if (r < 0) | |
213 | return log_oom(); | |
214 | ||
215 | r = sd_journal_add_match(j, match1, 0); | |
216 | if (r < 0) | |
217 | return log_error_errno(r, "Failed to add match: %m"); | |
218 | } | |
219 | ||
220 | d = udev_device_get_parent(d); | |
221 | } | |
222 | ||
485fd9a7 MS |
223 | r = add_match_this_boot(j, arg_machine); |
224 | if (r < 0) | |
225 | return log_error_errno(r, "Failed to add match for the current boot: %m"); | |
226 | ||
795ab08f MS |
227 | return 0; |
228 | } | |
229 | ||
5ab99e07 LP |
230 | static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) { |
231 | ||
232 | if (arg_utc) | |
233 | return format_timestamp_utc(buf, l, t); | |
234 | ||
235 | return format_timestamp(buf, l, t); | |
236 | } | |
237 | ||
442e2def LP |
238 | static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) { |
239 | sd_id128_t id = SD_ID128_NULL; | |
240 | int off = 0, r; | |
241 | ||
242 | if (strlen(x) >= 32) { | |
243 | char *t; | |
244 | ||
245 | t = strndupa(x, 32); | |
246 | r = sd_id128_from_string(t, &id); | |
247 | if (r >= 0) | |
248 | x += 32; | |
249 | ||
250 | if (*x != '-' && *x != '+' && *x != 0) | |
251 | return -EINVAL; | |
252 | ||
253 | if (*x != 0) { | |
254 | r = safe_atoi(x, &off); | |
255 | if (r < 0) | |
256 | return r; | |
257 | } | |
258 | } else { | |
259 | r = safe_atoi(x, &off); | |
260 | if (r < 0) | |
261 | return r; | |
262 | } | |
263 | ||
264 | if (boot_id) | |
265 | *boot_id = id; | |
266 | ||
267 | if (offset) | |
268 | *offset = off; | |
269 | ||
270 | return 0; | |
271 | } | |
272 | ||
601185b4 | 273 | static void help(void) { |
0d43c694 | 274 | |
ea4b98e6 | 275 | pager_open(arg_no_pager, arg_pager_end); |
faf5077f | 276 | |
cd4b13e0 | 277 | printf("%s [OPTIONS...] [MATCHES...]\n\n" |
15119c16 | 278 | "Query the journal.\n\n" |
94b65516 | 279 | "Options:\n" |
eacbb4d3 ZJS |
280 | " --system Show the system journal\n" |
281 | " --user Show the user journal for the current user\n" | |
b6741478 | 282 | " -M --machine=CONTAINER Operate on local container\n" |
66f52924 JS |
283 | " -S --since=DATE Show entries not older than the specified date\n" |
284 | " -U --until=DATE Show entries not newer than the specified date\n" | |
40f0b71b ZJS |
285 | " -c --cursor=CURSOR Show entries starting at the specified cursor\n" |
286 | " --after-cursor=CURSOR Show entries after the specified cursor\n" | |
248fc619 | 287 | " --show-cursor Print the cursor after all the entries\n" |
40f0b71b | 288 | " -b --boot[=ID] Show current boot or the specified boot\n" |
f1188074 | 289 | " --list-boots Show terse information about recorded boots\n" |
c736283b | 290 | " -k --dmesg Show kernel message log from the current boot\n" |
40f0b71b ZJS |
291 | " -u --unit=UNIT Show logs from the specified unit\n" |
292 | " --user-unit=UNIT Show logs from the specified user unit\n" | |
293 | " -t --identifier=STRING Show entries with the specified syslog identifier\n" | |
294 | " -p --priority=RANGE Show entries with the specified priority\n" | |
295 | " -e --pager-end Immediately jump to the end in the pager\n" | |
c736283b | 296 | " -f --follow Follow the journal\n" |
248fc619 ZJS |
297 | " -n --lines[=INTEGER] Number of journal entries to show\n" |
298 | " --no-tail Show all lines, even in follow mode\n" | |
299 | " -r --reverse Show the newest entries first\n" | |
584c6e70 ZJS |
300 | " -o --output=STRING Change journal output mode (short, short-precise,\n" |
301 | " short-iso, short-full, short-monotonic, short-unix,\n" | |
302 | " verbose, export, json, json-pretty, json-sse, cat)\n" | |
9fd29044 | 303 | " --utc Express time in Coordinated Universal Time (UTC)\n" |
248fc619 | 304 | " -x --catalog Add message explanations where available\n" |
2b8f6883 | 305 | " --no-full Ellipsize fields\n" |
248fc619 | 306 | " -a --all Show all fields, including long and unprintable\n" |
20d936ba | 307 | " -q --quiet Do not show info messages and privilege warning\n" |
248fc619 | 308 | " --no-pager Do not pipe output into a pager\n" |
991e274b | 309 | " --no-hostname Suppress output of hostname field\n" |
248fc619 ZJS |
310 | " -m --merge Show entries from all available journals\n" |
311 | " -D --directory=PATH Show journal files from directory\n" | |
312 | " --file=PATH Show journal file\n" | |
94b65516 | 313 | " --root=ROOT Operate on catalog files below a root directory\n" |
15119c16 | 314 | #ifdef HAVE_GCRYPT |
248fc619 ZJS |
315 | " --interval=TIME Time interval for changing the FSS sealing key\n" |
316 | " --verify-key=KEY Specify FSS verification key\n" | |
40f0b71b | 317 | " --force Override of the FSS key pair with --setup-keys\n" |
15119c16 LP |
318 | #endif |
319 | "\nCommands:\n" | |
c736283b | 320 | " -h --help Show this help text\n" |
248fc619 | 321 | " --version Show package version\n" |
69e714f3 | 322 | " -N --fields List all field names currently used\n" |
dbd2a83f | 323 | " -F --field=FIELD List all values that a specified field takes\n" |
c736283b | 324 | " --disk-usage Show total disk usage of all journal files\n" |
40f0b71b | 325 | " --vacuum-size=BYTES Reduce disk usage below specified size\n" |
8580d1f7 LP |
326 | " --vacuum-files=INT Leave only the specified number of journal files\n" |
327 | " --vacuum-time=TIME Remove journal files older than specified time\n" | |
94b65516 LP |
328 | " --verify Verify journal file consistency\n" |
329 | " --sync Synchronize unwritten journal messages to disk\n" | |
dbd2a83f | 330 | " --flush Flush all journal data from /run into /var\n" |
e3fdfb49 | 331 | " --rotate Request immediate rotation of the journal files\n" |
dbd2a83f | 332 | " --header Show journal header information\n" |
40f0b71b | 333 | " --list-catalog Show all message IDs in the catalog\n" |
248fc619 ZJS |
334 | " --dump-catalog Show entries in the message catalog\n" |
335 | " --update-catalog Update the message catalog database\n" | |
94b65516 | 336 | " --new-id128 Generate a new 128-bit ID\n" |
feb12d3e | 337 | #ifdef HAVE_GCRYPT |
c736283b | 338 | " --setup-keys Generate a new FSS key pair\n" |
feb12d3e LP |
339 | #endif |
340 | , program_invocation_short_name); | |
0d43c694 LP |
341 | } |
342 | ||
343 | static int parse_argv(int argc, char *argv[]) { | |
344 | ||
345 | enum { | |
346 | ARG_VERSION = 0x100, | |
e91af489 | 347 | ARG_NO_PAGER, |
2b8f6883 | 348 | ARG_NO_FULL, |
55ee336c | 349 | ARG_NO_TAIL, |
dca6219e | 350 | ARG_NEW_ID128, |
8453f062 | 351 | ARG_THIS_BOOT, |
f1188074 | 352 | ARG_LIST_BOOTS, |
3f3a438f ZJS |
353 | ARG_USER, |
354 | ARG_SYSTEM, | |
13cbf3a5 | 355 | ARG_ROOT, |
7560fffc | 356 | ARG_HEADER, |
beec0085 | 357 | ARG_SETUP_KEYS, |
8d98da3f | 358 | ARG_FILE, |
baed47c3 | 359 | ARG_INTERVAL, |
4da416aa | 360 | ARG_VERIFY, |
a1a03e30 | 361 | ARG_VERIFY_KEY, |
cfbc22ab | 362 | ARG_DISK_USAGE, |
248fc619 ZJS |
363 | ARG_AFTER_CURSOR, |
364 | ARG_SHOW_CURSOR, | |
ffa7cd15 | 365 | ARG_USER_UNIT, |
d4205751 | 366 | ARG_LIST_CATALOG, |
54b7254c | 367 | ARG_DUMP_CATALOG, |
3f3a438f | 368 | ARG_UPDATE_CATALOG, |
b8547c10 | 369 | ARG_FORCE, |
9fd29044 | 370 | ARG_UTC, |
94b65516 | 371 | ARG_SYNC, |
74055aa7 | 372 | ARG_FLUSH, |
e3fdfb49 | 373 | ARG_ROTATE, |
dbd2a83f | 374 | ARG_VACUUM_SIZE, |
8580d1f7 | 375 | ARG_VACUUM_FILES, |
dbd2a83f | 376 | ARG_VACUUM_TIME, |
991e274b | 377 | ARG_NO_HOSTNAME, |
0d43c694 LP |
378 | }; |
379 | ||
380 | static const struct option options[] = { | |
248fc619 ZJS |
381 | { "help", no_argument, NULL, 'h' }, |
382 | { "version" , no_argument, NULL, ARG_VERSION }, | |
383 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
384 | { "pager-end", no_argument, NULL, 'e' }, | |
385 | { "follow", no_argument, NULL, 'f' }, | |
386 | { "force", no_argument, NULL, ARG_FORCE }, | |
387 | { "output", required_argument, NULL, 'o' }, | |
388 | { "all", no_argument, NULL, 'a' }, | |
389 | { "full", no_argument, NULL, 'l' }, | |
2b8f6883 | 390 | { "no-full", no_argument, NULL, ARG_NO_FULL }, |
248fc619 ZJS |
391 | { "lines", optional_argument, NULL, 'n' }, |
392 | { "no-tail", no_argument, NULL, ARG_NO_TAIL }, | |
393 | { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, | |
394 | { "quiet", no_argument, NULL, 'q' }, | |
395 | { "merge", no_argument, NULL, 'm' }, | |
8453f062 | 396 | { "this-boot", no_argument, NULL, ARG_THIS_BOOT }, /* deprecated */ |
248fc619 | 397 | { "boot", optional_argument, NULL, 'b' }, |
f1188074 | 398 | { "list-boots", no_argument, NULL, ARG_LIST_BOOTS }, |
248fc619 ZJS |
399 | { "dmesg", no_argument, NULL, 'k' }, |
400 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
401 | { "user", no_argument, NULL, ARG_USER }, | |
402 | { "directory", required_argument, NULL, 'D' }, | |
403 | { "file", required_argument, NULL, ARG_FILE }, | |
404 | { "root", required_argument, NULL, ARG_ROOT }, | |
405 | { "header", no_argument, NULL, ARG_HEADER }, | |
73083640 | 406 | { "identifier", required_argument, NULL, 't' }, |
248fc619 ZJS |
407 | { "priority", required_argument, NULL, 'p' }, |
408 | { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS }, | |
409 | { "interval", required_argument, NULL, ARG_INTERVAL }, | |
410 | { "verify", no_argument, NULL, ARG_VERIFY }, | |
411 | { "verify-key", required_argument, NULL, ARG_VERIFY_KEY }, | |
412 | { "disk-usage", no_argument, NULL, ARG_DISK_USAGE }, | |
413 | { "cursor", required_argument, NULL, 'c' }, | |
414 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
415 | { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR }, | |
66f52924 JS |
416 | { "since", required_argument, NULL, 'S' }, |
417 | { "until", required_argument, NULL, 'U' }, | |
248fc619 ZJS |
418 | { "unit", required_argument, NULL, 'u' }, |
419 | { "user-unit", required_argument, NULL, ARG_USER_UNIT }, | |
420 | { "field", required_argument, NULL, 'F' }, | |
69e714f3 | 421 | { "fields", no_argument, NULL, 'N' }, |
248fc619 ZJS |
422 | { "catalog", no_argument, NULL, 'x' }, |
423 | { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG }, | |
424 | { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG }, | |
425 | { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG }, | |
426 | { "reverse", no_argument, NULL, 'r' }, | |
b6741478 | 427 | { "machine", required_argument, NULL, 'M' }, |
9fd29044 | 428 | { "utc", no_argument, NULL, ARG_UTC }, |
74055aa7 | 429 | { "flush", no_argument, NULL, ARG_FLUSH }, |
94b65516 | 430 | { "sync", no_argument, NULL, ARG_SYNC }, |
e3fdfb49 | 431 | { "rotate", no_argument, NULL, ARG_ROTATE }, |
dbd2a83f | 432 | { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE }, |
8580d1f7 | 433 | { "vacuum-files", required_argument, NULL, ARG_VACUUM_FILES }, |
dbd2a83f | 434 | { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME }, |
991e274b | 435 | { "no-hostname", no_argument, NULL, ARG_NO_HOSTNAME }, |
eb9da376 | 436 | {} |
0d43c694 LP |
437 | }; |
438 | ||
2100675e | 439 | int c, r; |
0d43c694 LP |
440 | |
441 | assert(argc >= 0); | |
442 | assert(argv); | |
443 | ||
69e714f3 | 444 | while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:S:U:t:u:NF:xrM:", options, NULL)) >= 0) |
0d43c694 LP |
445 | |
446 | switch (c) { | |
447 | ||
448 | case 'h': | |
601185b4 ZJS |
449 | help(); |
450 | return 0; | |
0d43c694 LP |
451 | |
452 | case ARG_VERSION: | |
3f6fd1ba | 453 | return version(); |
0d43c694 LP |
454 | |
455 | case ARG_NO_PAGER: | |
456 | arg_no_pager = true; | |
457 | break; | |
458 | ||
1b12a7b5 HH |
459 | case 'e': |
460 | arg_pager_end = true; | |
fe59e38b | 461 | |
97e1cc8b | 462 | if (arg_lines == ARG_LINES_DEFAULT) |
fe59e38b LP |
463 | arg_lines = 1000; |
464 | ||
1b12a7b5 HH |
465 | break; |
466 | ||
0d43c694 LP |
467 | case 'f': |
468 | arg_follow = true; | |
469 | break; | |
470 | ||
471 | case 'o': | |
1705594f | 472 | arg_output = output_mode_from_string(optarg); |
df50185b | 473 | if (arg_output < 0) { |
edfb521a | 474 | log_error("Unknown output format '%s'.", optarg); |
0d43c694 LP |
475 | return -EINVAL; |
476 | } | |
df50185b | 477 | |
edfb521a ZJS |
478 | if (arg_output == OUTPUT_EXPORT || |
479 | arg_output == OUTPUT_JSON || | |
480 | arg_output == OUTPUT_JSON_PRETTY || | |
481 | arg_output == OUTPUT_JSON_SSE || | |
482 | arg_output == OUTPUT_CAT) | |
483 | arg_quiet = true; | |
484 | ||
0d43c694 LP |
485 | break; |
486 | ||
98a6e132 | 487 | case 'l': |
e3657ecd ZJS |
488 | arg_full = true; |
489 | break; | |
490 | ||
2b8f6883 ZJS |
491 | case ARG_NO_FULL: |
492 | arg_full = false; | |
493 | break; | |
494 | ||
0d43c694 | 495 | case 'a': |
cd4b13e0 | 496 | arg_all = true; |
0d43c694 LP |
497 | break; |
498 | ||
2100675e | 499 | case 'n': |
1705594f | 500 | if (optarg) { |
48382487 | 501 | if (streq(optarg, "all")) |
97e1cc8b | 502 | arg_lines = ARG_LINES_ALL; |
48382487 JJ |
503 | else { |
504 | r = safe_atoi(optarg, &arg_lines); | |
505 | if (r < 0 || arg_lines < 0) { | |
506 | log_error("Failed to parse lines '%s'", optarg); | |
507 | return -EINVAL; | |
508 | } | |
1705594f | 509 | } |
96088db0 | 510 | } else { |
48382487 | 511 | arg_lines = 10; |
96088db0 LP |
512 | |
513 | /* Hmm, no argument? Maybe the next | |
514 | * word on the command line is | |
515 | * supposed to be the argument? Let's | |
516 | * see if there is one, and is | |
48382487 JJ |
517 | * parsable. */ |
518 | if (optind < argc) { | |
519 | int n; | |
520 | if (streq(argv[optind], "all")) { | |
97e1cc8b | 521 | arg_lines = ARG_LINES_ALL; |
48382487 JJ |
522 | optind++; |
523 | } else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) { | |
524 | arg_lines = n; | |
525 | optind++; | |
526 | } | |
527 | } | |
96088db0 | 528 | } |
1705594f | 529 | |
2100675e LP |
530 | break; |
531 | ||
e91af489 LP |
532 | case ARG_NO_TAIL: |
533 | arg_no_tail = true; | |
534 | break; | |
535 | ||
39f7f5c1 | 536 | case ARG_NEW_ID128: |
7560fffc | 537 | arg_action = ACTION_NEW_ID128; |
55ee336c LP |
538 | break; |
539 | ||
43673799 LP |
540 | case 'q': |
541 | arg_quiet = true; | |
490e567d | 542 | break; |
43673799 | 543 | |
9e8a535f LP |
544 | case 'm': |
545 | arg_merge = true; | |
2bd3c38a LP |
546 | break; |
547 | ||
8453f062 ZJS |
548 | case ARG_THIS_BOOT: |
549 | arg_boot = true; | |
550 | break; | |
551 | ||
59cea26a | 552 | case 'b': |
d121b396 | 553 | arg_boot = true; |
6cebe83c | 554 | |
442e2def | 555 | if (optarg) { |
909dea0c | 556 | r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset); |
442e2def LP |
557 | if (r < 0) { |
558 | log_error("Failed to parse boot descriptor '%s'", optarg); | |
559 | return -EINVAL; | |
560 | } | |
561 | } else { | |
6cebe83c | 562 | |
442e2def LP |
563 | /* Hmm, no argument? Maybe the next |
564 | * word on the command line is | |
565 | * supposed to be the argument? Let's | |
566 | * see if there is one and is parsable | |
567 | * as a boot descriptor... */ | |
568 | ||
569 | if (optind < argc && | |
570 | parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset) >= 0) | |
6cebe83c | 571 | optind++; |
6cebe83c | 572 | } |
d121b396 | 573 | |
59cea26a LP |
574 | break; |
575 | ||
f1188074 ZJS |
576 | case ARG_LIST_BOOTS: |
577 | arg_action = ACTION_LIST_BOOTS; | |
578 | break; | |
579 | ||
99271804 | 580 | case 'k': |
d121b396 | 581 | arg_boot = arg_dmesg = true; |
99271804 ZJS |
582 | break; |
583 | ||
3f3a438f ZJS |
584 | case ARG_SYSTEM: |
585 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
586 | break; | |
587 | ||
588 | case ARG_USER: | |
589 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
590 | break; | |
591 | ||
b6741478 LP |
592 | case 'M': |
593 | arg_machine = optarg; | |
594 | break; | |
595 | ||
a963990f LP |
596 | case 'D': |
597 | arg_directory = optarg; | |
598 | break; | |
599 | ||
8d98da3f | 600 | case ARG_FILE: |
5d1ce257 LP |
601 | if (streq(optarg, "-")) |
602 | /* An undocumented feature: we can read journal files from STDIN. We don't document | |
603 | * this though, since after all we only support this for mmap-able, seekable files, and | |
604 | * not for example pipes which are probably the primary usecase for reading things from | |
605 | * STDIN. To avoid confusion we hence don't document this feature. */ | |
606 | arg_file_stdin = true; | |
607 | else { | |
608 | r = glob_extend(&arg_file, optarg); | |
609 | if (r < 0) | |
610 | return log_error_errno(r, "Failed to add paths: %m"); | |
611 | } | |
8d98da3f ZJS |
612 | break; |
613 | ||
13cbf3a5 | 614 | case ARG_ROOT: |
0f03c2a4 LP |
615 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
616 | if (r < 0) | |
617 | return r; | |
13cbf3a5 ZJS |
618 | break; |
619 | ||
8f14c832 LP |
620 | case 'c': |
621 | arg_cursor = optarg; | |
622 | break; | |
623 | ||
248fc619 ZJS |
624 | case ARG_AFTER_CURSOR: |
625 | arg_after_cursor = optarg; | |
626 | break; | |
627 | ||
628 | case ARG_SHOW_CURSOR: | |
629 | arg_show_cursor = true; | |
630 | break; | |
631 | ||
dca6219e | 632 | case ARG_HEADER: |
7560fffc LP |
633 | arg_action = ACTION_PRINT_HEADER; |
634 | break; | |
635 | ||
feb12d3e LP |
636 | case ARG_VERIFY: |
637 | arg_action = ACTION_VERIFY; | |
638 | break; | |
639 | ||
a1a03e30 LP |
640 | case ARG_DISK_USAGE: |
641 | arg_action = ACTION_DISK_USAGE; | |
642 | break; | |
643 | ||
dbd2a83f LP |
644 | case ARG_VACUUM_SIZE: |
645 | r = parse_size(optarg, 1024, &arg_vacuum_size); | |
646 | if (r < 0) { | |
647 | log_error("Failed to parse vacuum size: %s", optarg); | |
648 | return r; | |
649 | } | |
650 | ||
651 | arg_action = ACTION_VACUUM; | |
652 | break; | |
653 | ||
8580d1f7 LP |
654 | case ARG_VACUUM_FILES: |
655 | r = safe_atou64(optarg, &arg_vacuum_n_files); | |
656 | if (r < 0) { | |
657 | log_error("Failed to parse vacuum files: %s", optarg); | |
658 | return r; | |
659 | } | |
660 | ||
661 | arg_action = ACTION_VACUUM; | |
662 | break; | |
663 | ||
dbd2a83f LP |
664 | case ARG_VACUUM_TIME: |
665 | r = parse_sec(optarg, &arg_vacuum_time); | |
666 | if (r < 0) { | |
667 | log_error("Failed to parse vacuum time: %s", optarg); | |
668 | return r; | |
669 | } | |
670 | ||
671 | arg_action = ACTION_VACUUM; | |
672 | break; | |
673 | ||
feb12d3e | 674 | #ifdef HAVE_GCRYPT |
b8547c10 SL |
675 | case ARG_FORCE: |
676 | arg_force = true; | |
677 | break; | |
678 | ||
7560fffc LP |
679 | case ARG_SETUP_KEYS: |
680 | arg_action = ACTION_SETUP_KEYS; | |
dca6219e LP |
681 | break; |
682 | ||
beec0085 | 683 | |
baed47c3 | 684 | case ARG_VERIFY_KEY: |
4da416aa | 685 | arg_action = ACTION_VERIFY; |
baed47c3 | 686 | arg_verify_key = optarg; |
9e8a535f | 687 | arg_merge = false; |
4da416aa LP |
688 | break; |
689 | ||
baed47c3 | 690 | case ARG_INTERVAL: |
7f602784 | 691 | r = parse_sec(optarg, &arg_interval); |
baed47c3 LP |
692 | if (r < 0 || arg_interval <= 0) { |
693 | log_error("Failed to parse sealing key change interval: %s", optarg); | |
14d10188 LP |
694 | return -EINVAL; |
695 | } | |
696 | break; | |
feb12d3e LP |
697 | #else |
698 | case ARG_SETUP_KEYS: | |
699 | case ARG_VERIFY_KEY: | |
700 | case ARG_INTERVAL: | |
b8547c10 | 701 | case ARG_FORCE: |
feb12d3e | 702 | log_error("Forward-secure sealing not available."); |
15411c0c | 703 | return -EOPNOTSUPP; |
feb12d3e | 704 | #endif |
14d10188 | 705 | |
941e990d LP |
706 | case 'p': { |
707 | const char *dots; | |
708 | ||
709 | dots = strstr(optarg, ".."); | |
710 | if (dots) { | |
711 | char *a; | |
712 | int from, to, i; | |
713 | ||
714 | /* a range */ | |
715 | a = strndup(optarg, dots - optarg); | |
716 | if (!a) | |
717 | return log_oom(); | |
718 | ||
719 | from = log_level_from_string(a); | |
720 | to = log_level_from_string(dots + 2); | |
721 | free(a); | |
722 | ||
723 | if (from < 0 || to < 0) { | |
724 | log_error("Failed to parse log level range %s", optarg); | |
725 | return -EINVAL; | |
726 | } | |
727 | ||
728 | arg_priorities = 0; | |
729 | ||
730 | if (from < to) { | |
731 | for (i = from; i <= to; i++) | |
732 | arg_priorities |= 1 << i; | |
733 | } else { | |
734 | for (i = to; i <= from; i++) | |
735 | arg_priorities |= 1 << i; | |
736 | } | |
737 | ||
738 | } else { | |
739 | int p, i; | |
740 | ||
741 | p = log_level_from_string(optarg); | |
742 | if (p < 0) { | |
743 | log_error("Unknown log level %s", optarg); | |
744 | return -EINVAL; | |
745 | } | |
746 | ||
747 | arg_priorities = 0; | |
748 | ||
749 | for (i = 0; i <= p; i++) | |
750 | arg_priorities |= 1 << i; | |
751 | } | |
752 | ||
753 | break; | |
754 | } | |
755 | ||
66f52924 | 756 | case 'S': |
cfbc22ab LP |
757 | r = parse_timestamp(optarg, &arg_since); |
758 | if (r < 0) { | |
759 | log_error("Failed to parse timestamp: %s", optarg); | |
760 | return -EINVAL; | |
761 | } | |
762 | arg_since_set = true; | |
763 | break; | |
764 | ||
66f52924 | 765 | case 'U': |
cfbc22ab LP |
766 | r = parse_timestamp(optarg, &arg_until); |
767 | if (r < 0) { | |
768 | log_error("Failed to parse timestamp: %s", optarg); | |
769 | return -EINVAL; | |
770 | } | |
771 | arg_until_set = true; | |
772 | break; | |
773 | ||
73083640 HH |
774 | case 't': |
775 | r = strv_extend(&arg_syslog_identifier, optarg); | |
776 | if (r < 0) | |
777 | return log_oom(); | |
778 | break; | |
779 | ||
7199aa96 | 780 | case 'u': |
b9e40524 HH |
781 | r = strv_extend(&arg_system_units, optarg); |
782 | if (r < 0) | |
783 | return log_oom(); | |
ffa7cd15 DW |
784 | break; |
785 | ||
7199aa96 | 786 | case ARG_USER_UNIT: |
b9e40524 HH |
787 | r = strv_extend(&arg_user_units, optarg); |
788 | if (r < 0) | |
789 | return log_oom(); | |
c3f60ec5 LP |
790 | break; |
791 | ||
15119c16 | 792 | case 'F': |
69e714f3 | 793 | arg_action = ACTION_LIST_FIELDS; |
15119c16 LP |
794 | arg_field = optarg; |
795 | break; | |
796 | ||
69e714f3 LP |
797 | case 'N': |
798 | arg_action = ACTION_LIST_FIELD_NAMES; | |
799 | break; | |
800 | ||
991e274b LP |
801 | case ARG_NO_HOSTNAME: |
802 | arg_no_hostname = true; | |
803 | break; | |
804 | ||
d4205751 LP |
805 | case 'x': |
806 | arg_catalog = true; | |
807 | break; | |
808 | ||
809 | case ARG_LIST_CATALOG: | |
810 | arg_action = ACTION_LIST_CATALOG; | |
811 | break; | |
812 | ||
54b7254c ZJS |
813 | case ARG_DUMP_CATALOG: |
814 | arg_action = ACTION_DUMP_CATALOG; | |
815 | break; | |
816 | ||
d4205751 LP |
817 | case ARG_UPDATE_CATALOG: |
818 | arg_action = ACTION_UPDATE_CATALOG; | |
819 | break; | |
820 | ||
d89d6c86 LN |
821 | case 'r': |
822 | arg_reverse = true; | |
823 | break; | |
824 | ||
9fd29044 JS |
825 | case ARG_UTC: |
826 | arg_utc = true; | |
827 | break; | |
828 | ||
74055aa7 LP |
829 | case ARG_FLUSH: |
830 | arg_action = ACTION_FLUSH; | |
831 | break; | |
832 | ||
e3fdfb49 EV |
833 | case ARG_ROTATE: |
834 | arg_action = ACTION_ROTATE; | |
835 | break; | |
836 | ||
94b65516 LP |
837 | case ARG_SYNC: |
838 | arg_action = ACTION_SYNC; | |
839 | break; | |
840 | ||
eb9da376 | 841 | case '?': |
0d43c694 | 842 | return -EINVAL; |
eb9da376 LP |
843 | |
844 | default: | |
845 | assert_not_reached("Unhandled option"); | |
0d43c694 | 846 | } |
0d43c694 | 847 | |
70af7b8a | 848 | if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT) |
e91af489 LP |
849 | arg_lines = 10; |
850 | ||
b6741478 LP |
851 | if (!!arg_directory + !!arg_file + !!arg_machine > 1) { |
852 | log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one."); | |
8d98da3f ZJS |
853 | return -EINVAL; |
854 | } | |
855 | ||
3ba09ee8 | 856 | if (arg_since_set && arg_until_set && arg_since > arg_until) { |
cfbc22ab LP |
857 | log_error("--since= must be before --until=."); |
858 | return -EINVAL; | |
859 | } | |
860 | ||
248fc619 ZJS |
861 | if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) { |
862 | log_error("Please specify only one of --since=, --cursor=, and --after-cursor."); | |
cfbc22ab LP |
863 | return -EINVAL; |
864 | } | |
865 | ||
d89d6c86 LN |
866 | if (arg_follow && arg_reverse) { |
867 | log_error("Please specify either --reverse= or --follow=, not both."); | |
868 | return -EINVAL; | |
869 | } | |
870 | ||
f98a41c2 | 871 | if (!IN_SET(arg_action, ACTION_SHOW, ACTION_DUMP_CATALOG, ACTION_LIST_CATALOG) && optind < argc) { |
0b6b7c20 ZJS |
872 | log_error("Extraneous arguments starting with '%s'", argv[optind]); |
873 | return -EINVAL; | |
874 | } | |
875 | ||
f3bd7561 ZJS |
876 | if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && arg_merge) { |
877 | log_error("Using --boot or --list-boots with --merge is not supported."); | |
596a2329 JJ |
878 | return -EINVAL; |
879 | } | |
880 | ||
52051dd8 LP |
881 | if (!strv_isempty(arg_system_units) && (arg_journal_type == SD_JOURNAL_CURRENT_USER)) { |
882 | ||
883 | /* Specifying --user and --unit= at the same time makes no sense (as the former excludes the user | |
884 | * journal, but the latter excludes the system journal, thus resulting in empty output). Let's be nice | |
885 | * to users, and automatically turn --unit= into --user-unit= if combined with --user. */ | |
886 | r = strv_extend_strv(&arg_user_units, arg_system_units, true); | |
887 | if (r < 0) | |
888 | return -ENOMEM; | |
889 | ||
890 | arg_system_units = strv_free(arg_system_units); | |
891 | } | |
892 | ||
0d43c694 LP |
893 | return 1; |
894 | } | |
895 | ||
39f7f5c1 | 896 | static int generate_new_id128(void) { |
55ee336c LP |
897 | sd_id128_t id; |
898 | int r; | |
899 | unsigned i; | |
900 | ||
901 | r = sd_id128_randomize(&id); | |
23bbb0de MS |
902 | if (r < 0) |
903 | return log_error_errno(r, "Failed to generate ID: %m"); | |
55ee336c LP |
904 | |
905 | printf("As string:\n" | |
906 | SD_ID128_FORMAT_STR "\n\n" | |
907 | "As UUID:\n" | |
908 | "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n" | |
909 | "As macro:\n" | |
d489071f | 910 | "#define MESSAGE_XYZ SD_ID128_MAKE(", |
55ee336c LP |
911 | SD_ID128_FORMAT_VAL(id), |
912 | SD_ID128_FORMAT_VAL(id)); | |
55ee336c LP |
913 | for (i = 0; i < 16; i++) |
914 | printf("%02x%s", id.bytes[i], i != 15 ? "," : ""); | |
d489071f | 915 | fputs(")\n\n", stdout); |
55ee336c | 916 | |
d489071f ZJS |
917 | printf("As Python constant:\n" |
918 | ">>> import uuid\n" | |
919 | ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n", | |
920 | SD_ID128_FORMAT_VAL(id)); | |
55ee336c LP |
921 | |
922 | return 0; | |
923 | } | |
924 | ||
a963990f LP |
925 | static int add_matches(sd_journal *j, char **args) { |
926 | char **i; | |
4e602943 | 927 | bool have_term = false; |
59cea26a | 928 | |
a963990f | 929 | assert(j); |
59cea26a | 930 | |
a963990f | 931 | STRV_FOREACH(i, args) { |
52aeb63c | 932 | int r; |
59cea26a | 933 | |
4e602943 ZJS |
934 | if (streq(*i, "+")) { |
935 | if (!have_term) | |
936 | break; | |
cbdca852 | 937 | r = sd_journal_add_disjunction(j); |
4e602943 ZJS |
938 | have_term = false; |
939 | ||
940 | } else if (path_is_absolute(*i)) { | |
795ab08f | 941 | _cleanup_free_ char *p, *t = NULL, *t2 = NULL, *interpreter = NULL; |
e5124088 | 942 | const char *path; |
a963990f | 943 | struct stat st; |
e5124088 | 944 | |
a963990f | 945 | p = canonicalize_file_name(*i); |
795ab08f | 946 | path = p ?: *i; |
e5124088 | 947 | |
26b9f165 | 948 | if (lstat(path, &st) < 0) |
4a62c710 | 949 | return log_error_errno(errno, "Couldn't stat file: %m"); |
e5124088 | 950 | |
68fee104 ZJS |
951 | if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) { |
952 | if (executable_is_script(path, &interpreter) > 0) { | |
953 | _cleanup_free_ char *comm; | |
954 | ||
2b6bf07d | 955 | comm = strndup(basename(path), 15); |
68fee104 ZJS |
956 | if (!comm) |
957 | return log_oom(); | |
958 | ||
959 | t = strappend("_COMM=", comm); | |
795ab08f MS |
960 | if (!t) |
961 | return log_oom(); | |
68fee104 ZJS |
962 | |
963 | /* Append _EXE only if the interpreter is not a link. | |
73e231ab | 964 | Otherwise, it might be outdated often. */ |
795ab08f | 965 | if (lstat(interpreter, &st) == 0 && !S_ISLNK(st.st_mode)) { |
68fee104 ZJS |
966 | t2 = strappend("_EXE=", interpreter); |
967 | if (!t2) | |
968 | return log_oom(); | |
969 | } | |
795ab08f | 970 | } else { |
68fee104 | 971 | t = strappend("_EXE=", path); |
795ab08f MS |
972 | if (!t) |
973 | return log_oom(); | |
974 | } | |
975 | ||
976 | r = sd_journal_add_match(j, t, 0); | |
977 | ||
978 | if (r >=0 && t2) | |
979 | r = sd_journal_add_match(j, t2, 0); | |
980 | ||
981 | } else if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) { | |
982 | r = add_matches_for_device(j, path); | |
983 | if (r < 0) | |
984 | return r; | |
985 | } else { | |
fb93cf73 | 986 | log_error("File is neither a device node, nor regular file, nor executable: %s", *i); |
a963990f | 987 | return -EINVAL; |
50940700 | 988 | } |
e5124088 | 989 | |
4e602943 | 990 | have_term = true; |
4e602943 | 991 | } else { |
cbdca852 | 992 | r = sd_journal_add_match(j, *i, 0); |
4e602943 ZJS |
993 | have_term = true; |
994 | } | |
e5124088 | 995 | |
23bbb0de MS |
996 | if (r < 0) |
997 | return log_error_errno(r, "Failed to add match '%s': %m", *i); | |
de7b95cd LP |
998 | } |
999 | ||
4e602943 ZJS |
1000 | if (!strv_isempty(args) && !have_term) { |
1001 | log_error("\"+\" can only be used between terms"); | |
1002 | return -EINVAL; | |
1003 | } | |
1004 | ||
a963990f LP |
1005 | return 0; |
1006 | } | |
1007 | ||
9530e0d0 LP |
1008 | static void boot_id_free_all(BootId *l) { |
1009 | ||
1010 | while (l) { | |
1011 | BootId *i = l; | |
1012 | LIST_REMOVE(boot_list, l, i); | |
1013 | free(i); | |
1014 | } | |
1015 | } | |
1016 | ||
dc009662 LP |
1017 | static int discover_next_boot(sd_journal *j, |
1018 | sd_id128_t previous_boot_id, | |
1019 | bool advance_older, | |
1020 | BootId **ret) { | |
45bc27b6 | 1021 | |
45bc27b6 | 1022 | _cleanup_free_ BootId *next_boot = NULL; |
dc009662 LP |
1023 | char match[9+32+1] = "_BOOT_ID="; |
1024 | sd_id128_t boot_id; | |
1025 | int r; | |
ea7061e4 JJ |
1026 | |
1027 | assert(j); | |
dc009662 | 1028 | assert(ret); |
596a2329 JJ |
1029 | |
1030 | /* We expect the journal to be on the last position of a boot | |
1031 | * (in relation to the direction we are going), so that the next | |
1032 | * invocation of sd_journal_next/previous will be from a different | |
1033 | * boot. We then collect any information we desire and then jump | |
1034 | * to the last location of the new boot by using a _BOOT_ID match | |
1035 | * coming from the other journal direction. */ | |
1036 | ||
1037 | /* Make sure we aren't restricted by any _BOOT_ID matches, so that | |
1038 | * we can actually advance to a *different* boot. */ | |
1039 | sd_journal_flush_matches(j); | |
1040 | ||
dc009662 LP |
1041 | do { |
1042 | if (advance_older) | |
1043 | r = sd_journal_previous(j); | |
1044 | else | |
1045 | r = sd_journal_next(j); | |
1046 | if (r < 0) | |
1047 | return r; | |
1048 | else if (r == 0) | |
1049 | return 0; /* End of journal, yay. */ | |
1050 | ||
1051 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); | |
1052 | if (r < 0) | |
1053 | return r; | |
1054 | ||
1055 | /* We iterate through this in a loop, until the boot ID differs from the previous one. Note that | |
1056 | * normally, this will only require a single iteration, as we seeked to the last entry of the previous | |
1057 | * boot entry already. However, it might happen that the per-journal-field entry arrays are less | |
1058 | * complete than the main entry array, and hence might reference an entry that's not actually the last | |
1059 | * one of the boot ID as last one. Let's hence use the per-field array is initial seek position to | |
1060 | * speed things up, but let's not trust that it is complete, and hence, manually advance as | |
1061 | * necessary. */ | |
1062 | ||
1063 | } while (sd_id128_equal(boot_id, previous_boot_id)); | |
596a2329 | 1064 | |
45bc27b6 | 1065 | next_boot = new0(BootId, 1); |
596a2329 | 1066 | if (!next_boot) |
b56d608e | 1067 | return -ENOMEM; |
f1188074 | 1068 | |
dc009662 | 1069 | next_boot->id = boot_id; |
f1188074 | 1070 | |
d1bf9dc9 LP |
1071 | r = sd_journal_get_realtime_usec(j, &next_boot->first); |
1072 | if (r < 0) | |
1073 | return r; | |
ea7061e4 | 1074 | |
596a2329 JJ |
1075 | /* Now seek to the last occurrence of this boot ID. */ |
1076 | sd_id128_to_string(next_boot->id, match + 9); | |
1077 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
1078 | if (r < 0) | |
1079 | return r; | |
f1188074 | 1080 | |
596a2329 JJ |
1081 | if (advance_older) |
1082 | r = sd_journal_seek_head(j); | |
1083 | else | |
1084 | r = sd_journal_seek_tail(j); | |
1085 | if (r < 0) | |
1086 | return r; | |
f1188074 | 1087 | |
596a2329 JJ |
1088 | if (advance_older) |
1089 | r = sd_journal_next(j); | |
1090 | else | |
1091 | r = sd_journal_previous(j); | |
1092 | if (r < 0) | |
1093 | return r; | |
1094 | else if (r == 0) | |
1095 | return -ENODATA; /* This shouldn't happen. We just came from this very boot ID. */ | |
f1188074 | 1096 | |
d1bf9dc9 LP |
1097 | r = sd_journal_get_realtime_usec(j, &next_boot->last); |
1098 | if (r < 0) | |
1099 | return r; | |
596a2329 | 1100 | |
dc009662 | 1101 | *ret = next_boot; |
596a2329 | 1102 | next_boot = NULL; |
9530e0d0 | 1103 | |
596a2329 JJ |
1104 | return 0; |
1105 | } | |
1106 | ||
45bc27b6 LP |
1107 | static int get_boots( |
1108 | sd_journal *j, | |
1109 | BootId **boots, | |
07ff6b08 ZJS |
1110 | sd_id128_t *boot_id, |
1111 | int offset) { | |
45bc27b6 | 1112 | |
596a2329 JJ |
1113 | bool skip_once; |
1114 | int r, count = 0; | |
45bc27b6 | 1115 | BootId *head = NULL, *tail = NULL; |
07ff6b08 | 1116 | const bool advance_older = boot_id && offset <= 0; |
dc009662 | 1117 | sd_id128_t previous_boot_id; |
596a2329 JJ |
1118 | |
1119 | assert(j); | |
f1188074 | 1120 | |
596a2329 JJ |
1121 | /* Adjust for the asymmetry that offset 0 is |
1122 | * the last (and current) boot, while 1 is considered the | |
1123 | * (chronological) first boot in the journal. */ | |
592855c3 | 1124 | skip_once = boot_id && sd_id128_is_null(*boot_id) && offset <= 0; |
596a2329 JJ |
1125 | |
1126 | /* Advance to the earliest/latest occurrence of our reference | |
1127 | * boot ID (taking our lookup direction into account), so that | |
1128 | * discover_next_boot() can do its job. | |
1129 | * If no reference is given, the journal head/tail will do, | |
1130 | * they're "virtual" boots after all. */ | |
07ff6b08 | 1131 | if (boot_id && !sd_id128_is_null(*boot_id)) { |
596a2329 JJ |
1132 | char match[9+32+1] = "_BOOT_ID="; |
1133 | ||
1134 | sd_journal_flush_matches(j); | |
1135 | ||
07ff6b08 | 1136 | sd_id128_to_string(*boot_id, match + 9); |
596a2329 | 1137 | r = sd_journal_add_match(j, match, sizeof(match) - 1); |
f1188074 ZJS |
1138 | if (r < 0) |
1139 | return r; | |
1140 | ||
596a2329 | 1141 | if (advance_older) |
c4fbc6b6 | 1142 | r = sd_journal_seek_head(j); /* seek to oldest */ |
596a2329 | 1143 | else |
c4fbc6b6 | 1144 | r = sd_journal_seek_tail(j); /* seek to newest */ |
f1188074 ZJS |
1145 | if (r < 0) |
1146 | return r; | |
1147 | ||
596a2329 | 1148 | if (advance_older) |
c4fbc6b6 | 1149 | r = sd_journal_next(j); /* read the oldest entry */ |
596a2329 | 1150 | else |
c4fbc6b6 | 1151 | r = sd_journal_previous(j); /* read the most recently added entry */ |
f1188074 ZJS |
1152 | if (r < 0) |
1153 | return r; | |
1154 | else if (r == 0) | |
596a2329 | 1155 | goto finish; |
07ff6b08 | 1156 | else if (offset == 0) { |
596a2329 JJ |
1157 | count = 1; |
1158 | goto finish; | |
1159 | } | |
c4fbc6b6 LP |
1160 | |
1161 | /* At this point the read pointer is positioned at the oldest/newest occurence of the reference boot | |
1162 | * ID. After flushing the matches, one more invocation of _previous()/_next() will hence place us at | |
1163 | * the following entry, which must then have an older/newer boot ID */ | |
596a2329 | 1164 | } else { |
c4fbc6b6 | 1165 | |
596a2329 | 1166 | if (advance_older) |
c4fbc6b6 | 1167 | r = sd_journal_seek_tail(j); /* seek to newest */ |
596a2329 | 1168 | else |
c4fbc6b6 | 1169 | r = sd_journal_seek_head(j); /* seek to oldest */ |
f1188074 ZJS |
1170 | if (r < 0) |
1171 | return r; | |
1172 | ||
c4fbc6b6 LP |
1173 | /* No sd_journal_next()/_previous() here. |
1174 | * | |
1175 | * At this point the read pointer is positioned after the newest/before the oldest entry in the whole | |
1176 | * journal. The next invocation of _previous()/_next() will hence position us at the newest/oldest | |
1177 | * entry we have. */ | |
596a2329 | 1178 | } |
f1188074 | 1179 | |
dc009662 | 1180 | previous_boot_id = SD_ID128_NULL; |
45bc27b6 LP |
1181 | for (;;) { |
1182 | _cleanup_free_ BootId *current = NULL; | |
f1188074 | 1183 | |
dc009662 | 1184 | r = discover_next_boot(j, previous_boot_id, advance_older, ¤t); |
596a2329 | 1185 | if (r < 0) { |
9530e0d0 | 1186 | boot_id_free_all(head); |
596a2329 | 1187 | return r; |
ea7061e4 | 1188 | } |
f1188074 | 1189 | |
596a2329 JJ |
1190 | if (!current) |
1191 | break; | |
1192 | ||
dc009662 LP |
1193 | previous_boot_id = current->id; |
1194 | ||
07ff6b08 | 1195 | if (boot_id) { |
596a2329 | 1196 | if (!skip_once) |
07ff6b08 | 1197 | offset += advance_older ? 1 : -1; |
596a2329 JJ |
1198 | skip_once = false; |
1199 | ||
07ff6b08 | 1200 | if (offset == 0) { |
596a2329 | 1201 | count = 1; |
07ff6b08 | 1202 | *boot_id = current->id; |
596a2329 JJ |
1203 | break; |
1204 | } | |
1205 | } else { | |
1206 | LIST_INSERT_AFTER(boot_list, head, tail, current); | |
1207 | tail = current; | |
1208 | current = NULL; | |
1209 | count++; | |
1210 | } | |
f1188074 ZJS |
1211 | } |
1212 | ||
596a2329 JJ |
1213 | finish: |
1214 | if (boots) | |
1215 | *boots = head; | |
1216 | ||
1217 | sd_journal_flush_matches(j); | |
1218 | ||
1219 | return count; | |
ea7061e4 JJ |
1220 | } |
1221 | ||
1222 | static int list_boots(sd_journal *j) { | |
596a2329 | 1223 | int w, i, count; |
9530e0d0 | 1224 | BootId *id, *all_ids; |
ea7061e4 JJ |
1225 | |
1226 | assert(j); | |
1227 | ||
596a2329 | 1228 | count = get_boots(j, &all_ids, NULL, 0); |
b56d608e LP |
1229 | if (count < 0) |
1230 | return log_error_errno(count, "Failed to determine boots: %m"); | |
1231 | if (count == 0) | |
596a2329 | 1232 | return count; |
ea7061e4 | 1233 | |
ea4b98e6 | 1234 | pager_open(arg_no_pager, arg_pager_end); |
f1188074 ZJS |
1235 | |
1236 | /* numbers are one less, but we need an extra char for the sign */ | |
1237 | w = DECIMAL_STR_WIDTH(count - 1) + 1; | |
1238 | ||
596a2329 | 1239 | i = 0; |
9530e0d0 | 1240 | LIST_FOREACH(boot_list, id, all_ids) { |
f1188074 ZJS |
1241 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX]; |
1242 | ||
1243 | printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n", | |
1244 | w, i - count + 1, | |
1245 | SD_ID128_FORMAT_VAL(id->id), | |
5ab99e07 LP |
1246 | format_timestamp_maybe_utc(a, sizeof(a), id->first), |
1247 | format_timestamp_maybe_utc(b, sizeof(b), id->last)); | |
596a2329 | 1248 | i++; |
d121b396 | 1249 | } |
a963990f | 1250 | |
9530e0d0 LP |
1251 | boot_id_free_all(all_ids); |
1252 | ||
a331b5e6 JJ |
1253 | return 0; |
1254 | } | |
1255 | ||
1256 | static int add_boot(sd_journal *j) { | |
1257 | char match[9+32+1] = "_BOOT_ID="; | |
07ff6b08 | 1258 | sd_id128_t boot_id; |
442e2def | 1259 | int r; |
a331b5e6 JJ |
1260 | |
1261 | assert(j); | |
1262 | ||
d121b396 | 1263 | if (!arg_boot) |
a331b5e6 JJ |
1264 | return 0; |
1265 | ||
592855c3 ZJS |
1266 | /* Take a shortcut and use the current boot_id, which we can do very quickly. |
1267 | * We can do this only when we logs are coming from the current machine, | |
1268 | * so take the slow path if log location is specified. */ | |
3bbaff3e | 1269 | if (arg_boot_offset == 0 && sd_id128_is_null(arg_boot_id) && |
592855c3 ZJS |
1270 | !arg_directory && !arg_file) |
1271 | ||
b6741478 | 1272 | return add_match_this_boot(j, arg_machine); |
a331b5e6 | 1273 | |
07ff6b08 ZJS |
1274 | boot_id = arg_boot_id; |
1275 | r = get_boots(j, NULL, &boot_id, arg_boot_offset); | |
596a2329 JJ |
1276 | assert(r <= 1); |
1277 | if (r <= 0) { | |
1278 | const char *reason = (r == 0) ? "No such boot ID in journal" : strerror(-r); | |
1279 | ||
1280 | if (sd_id128_is_null(arg_boot_id)) | |
c34e9399 JS |
1281 | log_error("Data from the specified boot (%+i) is not available: %s", |
1282 | arg_boot_offset, reason); | |
d121b396 | 1283 | else |
c34e9399 JS |
1284 | log_error("Data from the specified boot ("SD_ID128_FORMAT_STR") is not available: %s", |
1285 | SD_ID128_FORMAT_VAL(arg_boot_id), reason); | |
596a2329 JJ |
1286 | |
1287 | return r == 0 ? -ENODATA : r; | |
a331b5e6 JJ |
1288 | } |
1289 | ||
07ff6b08 | 1290 | sd_id128_to_string(boot_id, match + 9); |
d121b396 ZJS |
1291 | |
1292 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
23bbb0de MS |
1293 | if (r < 0) |
1294 | return log_error_errno(r, "Failed to add match: %m"); | |
a331b5e6 JJ |
1295 | |
1296 | r = sd_journal_add_conjunction(j); | |
1297 | if (r < 0) | |
b56d608e | 1298 | return log_error_errno(r, "Failed to add conjunction: %m"); |
a331b5e6 JJ |
1299 | |
1300 | return 0; | |
a963990f LP |
1301 | } |
1302 | ||
99271804 ZJS |
1303 | static int add_dmesg(sd_journal *j) { |
1304 | int r; | |
1305 | assert(j); | |
1306 | ||
1307 | if (!arg_dmesg) | |
1308 | return 0; | |
1309 | ||
1310 | r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel")); | |
23bbb0de MS |
1311 | if (r < 0) |
1312 | return log_error_errno(r, "Failed to add match: %m"); | |
99271804 ZJS |
1313 | |
1314 | r = sd_journal_add_conjunction(j); | |
1315 | if (r < 0) | |
b56d608e | 1316 | return log_error_errno(r, "Failed to add conjunction: %m"); |
99271804 ZJS |
1317 | |
1318 | return 0; | |
1319 | } | |
1320 | ||
b56d608e LP |
1321 | static int get_possible_units( |
1322 | sd_journal *j, | |
1323 | const char *fields, | |
1324 | char **patterns, | |
1325 | Set **units) { | |
1326 | ||
ea18a4b5 ZJS |
1327 | _cleanup_set_free_free_ Set *found; |
1328 | const char *field; | |
c3f60ec5 | 1329 | int r; |
ea18a4b5 | 1330 | |
d5099efc | 1331 | found = set_new(&string_hash_ops); |
ea18a4b5 | 1332 | if (!found) |
b56d608e | 1333 | return -ENOMEM; |
ea18a4b5 ZJS |
1334 | |
1335 | NULSTR_FOREACH(field, fields) { | |
1336 | const void *data; | |
1337 | size_t size; | |
1338 | ||
1339 | r = sd_journal_query_unique(j, field); | |
1340 | if (r < 0) | |
1341 | return r; | |
1342 | ||
1343 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1344 | char **pattern, *eq; | |
1345 | size_t prefix; | |
1346 | _cleanup_free_ char *u = NULL; | |
1347 | ||
1348 | eq = memchr(data, '=', size); | |
1349 | if (eq) | |
1350 | prefix = eq - (char*) data + 1; | |
1351 | else | |
1352 | prefix = 0; | |
1353 | ||
1354 | u = strndup((char*) data + prefix, size - prefix); | |
1355 | if (!u) | |
b56d608e | 1356 | return -ENOMEM; |
ea18a4b5 ZJS |
1357 | |
1358 | STRV_FOREACH(pattern, patterns) | |
1359 | if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) { | |
1360 | log_debug("Matched %s with pattern %s=%s", u, field, *pattern); | |
1361 | ||
1362 | r = set_consume(found, u); | |
1363 | u = NULL; | |
1364 | if (r < 0 && r != -EEXIST) | |
1365 | return r; | |
1366 | ||
1367 | break; | |
1368 | } | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | *units = found; | |
1373 | found = NULL; | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | /* This list is supposed to return the superset of unit names | |
1378 | * possibly matched by rules added with add_matches_for_unit... */ | |
1379 | #define SYSTEM_UNITS \ | |
1380 | "_SYSTEMD_UNIT\0" \ | |
1381 | "COREDUMP_UNIT\0" \ | |
1382 | "UNIT\0" \ | |
1383 | "OBJECT_SYSTEMD_UNIT\0" \ | |
1384 | "_SYSTEMD_SLICE\0" | |
1385 | ||
1386 | /* ... and add_matches_for_user_unit */ | |
1387 | #define USER_UNITS \ | |
1388 | "_SYSTEMD_USER_UNIT\0" \ | |
1389 | "USER_UNIT\0" \ | |
1390 | "COREDUMP_USER_UNIT\0" \ | |
1391 | "OBJECT_SYSTEMD_USER_UNIT\0" | |
1392 | ||
1393 | static int add_units(sd_journal *j) { | |
1394 | _cleanup_strv_free_ char **patterns = NULL; | |
1395 | int r, count = 0; | |
b9e40524 | 1396 | char **i; |
c3f60ec5 LP |
1397 | |
1398 | assert(j); | |
1399 | ||
b9e40524 | 1400 | STRV_FOREACH(i, arg_system_units) { |
ea18a4b5 ZJS |
1401 | _cleanup_free_ char *u = NULL; |
1402 | ||
7410616c LP |
1403 | r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u); |
1404 | if (r < 0) | |
1405 | return r; | |
ea18a4b5 ZJS |
1406 | |
1407 | if (string_is_glob(u)) { | |
1408 | r = strv_push(&patterns, u); | |
1409 | if (r < 0) | |
1410 | return r; | |
1411 | u = NULL; | |
1412 | } else { | |
1413 | r = add_matches_for_unit(j, u); | |
1414 | if (r < 0) | |
1415 | return r; | |
1416 | r = sd_journal_add_disjunction(j); | |
1417 | if (r < 0) | |
1418 | return r; | |
313cefa1 | 1419 | count++; |
ea18a4b5 ZJS |
1420 | } |
1421 | } | |
1422 | ||
1423 | if (!strv_isempty(patterns)) { | |
1424 | _cleanup_set_free_free_ Set *units = NULL; | |
1425 | Iterator it; | |
1426 | char *u; | |
1427 | ||
1428 | r = get_possible_units(j, SYSTEM_UNITS, patterns, &units); | |
b9e40524 HH |
1429 | if (r < 0) |
1430 | return r; | |
ea18a4b5 ZJS |
1431 | |
1432 | SET_FOREACH(u, units, it) { | |
1433 | r = add_matches_for_unit(j, u); | |
1434 | if (r < 0) | |
1435 | return r; | |
1436 | r = sd_journal_add_disjunction(j); | |
1437 | if (r < 0) | |
1438 | return r; | |
313cefa1 | 1439 | count++; |
ea18a4b5 | 1440 | } |
b9e40524 | 1441 | } |
c3f60ec5 | 1442 | |
97b11eed | 1443 | patterns = strv_free(patterns); |
ea18a4b5 | 1444 | |
b9e40524 | 1445 | STRV_FOREACH(i, arg_user_units) { |
ea18a4b5 ZJS |
1446 | _cleanup_free_ char *u = NULL; |
1447 | ||
7410616c LP |
1448 | r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u); |
1449 | if (r < 0) | |
1450 | return r; | |
c3f60ec5 | 1451 | |
ea18a4b5 ZJS |
1452 | if (string_is_glob(u)) { |
1453 | r = strv_push(&patterns, u); | |
1454 | if (r < 0) | |
1455 | return r; | |
1456 | u = NULL; | |
1457 | } else { | |
1458 | r = add_matches_for_user_unit(j, u, getuid()); | |
1459 | if (r < 0) | |
1460 | return r; | |
1461 | r = sd_journal_add_disjunction(j); | |
1462 | if (r < 0) | |
1463 | return r; | |
313cefa1 | 1464 | count++; |
ea18a4b5 ZJS |
1465 | } |
1466 | } | |
1467 | ||
1468 | if (!strv_isempty(patterns)) { | |
1469 | _cleanup_set_free_free_ Set *units = NULL; | |
1470 | Iterator it; | |
1471 | char *u; | |
b9e40524 | 1472 | |
ea18a4b5 | 1473 | r = get_possible_units(j, USER_UNITS, patterns, &units); |
b9e40524 HH |
1474 | if (r < 0) |
1475 | return r; | |
1476 | ||
ea18a4b5 ZJS |
1477 | SET_FOREACH(u, units, it) { |
1478 | r = add_matches_for_user_unit(j, u, getuid()); | |
1479 | if (r < 0) | |
1480 | return r; | |
1481 | r = sd_journal_add_disjunction(j); | |
1482 | if (r < 0) | |
1483 | return r; | |
313cefa1 | 1484 | count++; |
ea18a4b5 | 1485 | } |
b9e40524 | 1486 | } |
c3f60ec5 | 1487 | |
ea18a4b5 ZJS |
1488 | /* Complain if the user request matches but nothing whatsoever was |
1489 | * found, since otherwise everything would be matched. */ | |
1490 | if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0) | |
1491 | return -ENODATA; | |
1492 | ||
cd34b3c6 HH |
1493 | r = sd_journal_add_conjunction(j); |
1494 | if (r < 0) | |
1495 | return r; | |
1496 | ||
c3f60ec5 LP |
1497 | return 0; |
1498 | } | |
1499 | ||
941e990d LP |
1500 | static int add_priorities(sd_journal *j) { |
1501 | char match[] = "PRIORITY=0"; | |
1502 | int i, r; | |
941e990d LP |
1503 | assert(j); |
1504 | ||
1505 | if (arg_priorities == 0xFF) | |
1506 | return 0; | |
1507 | ||
1508 | for (i = LOG_EMERG; i <= LOG_DEBUG; i++) | |
1509 | if (arg_priorities & (1 << i)) { | |
1510 | match[sizeof(match)-2] = '0' + i; | |
1511 | ||
941e990d | 1512 | r = sd_journal_add_match(j, match, strlen(match)); |
23bbb0de MS |
1513 | if (r < 0) |
1514 | return log_error_errno(r, "Failed to add match: %m"); | |
941e990d LP |
1515 | } |
1516 | ||
cd34b3c6 HH |
1517 | r = sd_journal_add_conjunction(j); |
1518 | if (r < 0) | |
b56d608e | 1519 | return log_error_errno(r, "Failed to add conjunction: %m"); |
cd34b3c6 | 1520 | |
941e990d LP |
1521 | return 0; |
1522 | } | |
1523 | ||
73083640 HH |
1524 | |
1525 | static int add_syslog_identifier(sd_journal *j) { | |
1526 | int r; | |
1527 | char **i; | |
1528 | ||
1529 | assert(j); | |
1530 | ||
1531 | STRV_FOREACH(i, arg_syslog_identifier) { | |
1532 | char *u; | |
1533 | ||
63c372cb | 1534 | u = strjoina("SYSLOG_IDENTIFIER=", *i); |
73083640 HH |
1535 | r = sd_journal_add_match(j, u, 0); |
1536 | if (r < 0) | |
1537 | return r; | |
1538 | r = sd_journal_add_disjunction(j); | |
1539 | if (r < 0) | |
1540 | return r; | |
1541 | } | |
1542 | ||
1543 | r = sd_journal_add_conjunction(j); | |
1544 | if (r < 0) | |
1545 | return r; | |
1546 | ||
1547 | return 0; | |
1548 | } | |
1549 | ||
7560fffc LP |
1550 | static int setup_keys(void) { |
1551 | #ifdef HAVE_GCRYPT | |
1552 | size_t mpk_size, seed_size, state_size, i; | |
1553 | uint8_t *mpk, *seed, *state; | |
11689d2a | 1554 | int fd = -1, r; |
7560fffc LP |
1555 | sd_id128_t machine, boot; |
1556 | char *p = NULL, *k = NULL; | |
baed47c3 | 1557 | struct FSSHeader h; |
14d10188 | 1558 | uint64_t n; |
b98e3866 SL |
1559 | struct stat st; |
1560 | ||
1561 | r = stat("/var/log/journal", &st); | |
4a62c710 MS |
1562 | if (r < 0 && errno != ENOENT && errno != ENOTDIR) |
1563 | return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal"); | |
b98e3866 SL |
1564 | |
1565 | if (r < 0 || !S_ISDIR(st.st_mode)) { | |
1566 | log_error("%s is not a directory, must be using persistent logging for FSS.", | |
1567 | "/var/log/journal"); | |
1568 | return r < 0 ? -errno : -ENOTDIR; | |
1569 | } | |
7560fffc LP |
1570 | |
1571 | r = sd_id128_get_machine(&machine); | |
23bbb0de MS |
1572 | if (r < 0) |
1573 | return log_error_errno(r, "Failed to get machine ID: %m"); | |
7560fffc LP |
1574 | |
1575 | r = sd_id128_get_boot(&boot); | |
23bbb0de MS |
1576 | if (r < 0) |
1577 | return log_error_errno(r, "Failed to get boot ID: %m"); | |
7560fffc | 1578 | |
baed47c3 | 1579 | if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss", |
7560fffc LP |
1580 | SD_ID128_FORMAT_VAL(machine)) < 0) |
1581 | return log_oom(); | |
1582 | ||
faf9da01 ZJS |
1583 | if (arg_force) { |
1584 | r = unlink(p); | |
1585 | if (r < 0 && errno != ENOENT) { | |
1586 | r = log_error_errno(errno, "unlink(\"%s\") failed: %m", p); | |
b8547c10 SL |
1587 | goto finish; |
1588 | } | |
faf9da01 ZJS |
1589 | } else if (access(p, F_OK) >= 0) { |
1590 | log_error("Sealing key file %s exists already. Use --force to recreate.", p); | |
1591 | r = -EEXIST; | |
1592 | goto finish; | |
7560fffc LP |
1593 | } |
1594 | ||
baed47c3 | 1595 | if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX", |
7560fffc LP |
1596 | SD_ID128_FORMAT_VAL(machine)) < 0) { |
1597 | r = log_oom(); | |
1598 | goto finish; | |
1599 | } | |
1600 | ||
1601 | mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1602 | mpk = alloca(mpk_size); | |
1603 | ||
1604 | seed_size = FSPRG_RECOMMENDED_SEEDLEN; | |
1605 | seed = alloca(seed_size); | |
1606 | ||
1607 | state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1608 | state = alloca(state_size); | |
1609 | ||
1610 | fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1611 | if (fd < 0) { | |
76ef789d | 1612 | r = log_error_errno(errno, "Failed to open /dev/random: %m"); |
7560fffc LP |
1613 | goto finish; |
1614 | } | |
1615 | ||
1616 | log_info("Generating seed..."); | |
a6dcc7e5 ZJS |
1617 | r = loop_read_exact(fd, seed, seed_size, true); |
1618 | if (r < 0) { | |
1619 | log_error_errno(r, "Failed to read random seed: %m"); | |
7560fffc LP |
1620 | goto finish; |
1621 | } | |
1622 | ||
1623 | log_info("Generating key pair..."); | |
1624 | FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR); | |
1625 | ||
baed47c3 | 1626 | log_info("Generating sealing key..."); |
7560fffc LP |
1627 | FSPRG_GenState0(state, mpk, seed, seed_size); |
1628 | ||
baed47c3 LP |
1629 | assert(arg_interval > 0); |
1630 | ||
7560fffc | 1631 | n = now(CLOCK_REALTIME); |
baed47c3 | 1632 | n /= arg_interval; |
7560fffc | 1633 | |
03e334a1 | 1634 | safe_close(fd); |
2d5bdf5b | 1635 | fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC); |
7560fffc | 1636 | if (fd < 0) { |
709f6e46 | 1637 | r = log_error_errno(fd, "Failed to open %s: %m", k); |
7560fffc LP |
1638 | goto finish; |
1639 | } | |
1640 | ||
f982e6f7 LP |
1641 | /* Enable secure remove, exclusion from dump, synchronous |
1642 | * writing and in-place updating */ | |
1ed8f8c1 | 1643 | r = chattr_fd(fd, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL); |
11689d2a | 1644 | if (r < 0) |
709f6e46 | 1645 | log_warning_errno(r, "Failed to set file attributes: %m"); |
f982e6f7 | 1646 | |
7560fffc LP |
1647 | zero(h); |
1648 | memcpy(h.signature, "KSHHRHLP", 8); | |
1649 | h.machine_id = machine; | |
1650 | h.boot_id = boot; | |
1651 | h.header_size = htole64(sizeof(h)); | |
baed47c3 LP |
1652 | h.start_usec = htole64(n * arg_interval); |
1653 | h.interval_usec = htole64(arg_interval); | |
1654 | h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR); | |
1655 | h.fsprg_state_size = htole64(state_size); | |
7560fffc | 1656 | |
553acb7b ZJS |
1657 | r = loop_write(fd, &h, sizeof(h), false); |
1658 | if (r < 0) { | |
1659 | log_error_errno(r, "Failed to write header: %m"); | |
7560fffc LP |
1660 | goto finish; |
1661 | } | |
1662 | ||
553acb7b ZJS |
1663 | r = loop_write(fd, state, state_size, false); |
1664 | if (r < 0) { | |
1665 | log_error_errno(r, "Failed to write state: %m"); | |
7560fffc LP |
1666 | goto finish; |
1667 | } | |
1668 | ||
1669 | if (link(k, p) < 0) { | |
76ef789d | 1670 | r = log_error_errno(errno, "Failed to link file: %m"); |
7560fffc LP |
1671 | goto finish; |
1672 | } | |
1673 | ||
8481248b | 1674 | if (on_tty()) { |
7560fffc LP |
1675 | fprintf(stderr, |
1676 | "\n" | |
54f8c958 | 1677 | "The new key pair has been generated. The %ssecret sealing key%s has been written to\n" |
c05276f2 LP |
1678 | "the following local file. This key file is automatically updated when the\n" |
1679 | "sealing key is advanced. It should not be used on multiple hosts.\n" | |
7560fffc LP |
1680 | "\n" |
1681 | "\t%s\n" | |
1682 | "\n" | |
54f8c958 | 1683 | "Please write down the following %ssecret verification key%s. It should be stored\n" |
baed47c3 | 1684 | "at a safe location and should not be saved locally on disk.\n" |
54f8c958 LP |
1685 | "\n\t%s", |
1686 | ansi_highlight(), ansi_normal(), | |
1687 | ansi_highlight(), ansi_normal(), | |
1688 | ansi_highlight_red(), | |
1689 | p); | |
7560fffc LP |
1690 | fflush(stderr); |
1691 | } | |
1692 | for (i = 0; i < seed_size; i++) { | |
1693 | if (i > 0 && i % 3 == 0) | |
1694 | putchar('-'); | |
1695 | printf("%02x", ((uint8_t*) seed)[i]); | |
1696 | } | |
1697 | ||
baed47c3 LP |
1698 | printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval); |
1699 | ||
8481248b | 1700 | if (on_tty()) { |
f6a971bc | 1701 | char tsb[FORMAT_TIMESPAN_MAX], *hn; |
7560fffc | 1702 | |
baed47c3 | 1703 | fprintf(stderr, |
54f8c958 | 1704 | "%s\n" |
baed47c3 | 1705 | "The sealing key is automatically changed every %s.\n", |
54f8c958 | 1706 | ansi_normal(), |
2fa4092c | 1707 | format_timespan(tsb, sizeof(tsb), arg_interval, 0)); |
f6a971bc LP |
1708 | |
1709 | hn = gethostname_malloc(); | |
1710 | ||
1711 | if (hn) { | |
ae691c1d | 1712 | hostname_cleanup(hn); |
adac1c93 | 1713 | fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine)); |
f6a971bc | 1714 | } else |
adac1c93 | 1715 | fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine)); |
f6a971bc LP |
1716 | |
1717 | #ifdef HAVE_QRENCODE | |
cf5a3432 | 1718 | /* If this is not an UTF-8 system don't print any QR codes */ |
09017585 | 1719 | if (is_locale_utf8()) { |
cf5a3432 LP |
1720 | fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr); |
1721 | print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine); | |
1722 | } | |
f6a971bc LP |
1723 | #endif |
1724 | free(hn); | |
baed47c3 | 1725 | } |
7560fffc LP |
1726 | |
1727 | r = 0; | |
1728 | ||
1729 | finish: | |
03e334a1 | 1730 | safe_close(fd); |
7560fffc LP |
1731 | |
1732 | if (k) { | |
1733 | unlink(k); | |
1734 | free(k); | |
1735 | } | |
1736 | ||
1737 | free(p); | |
1738 | ||
1739 | return r; | |
1740 | #else | |
feb12d3e | 1741 | log_error("Forward-secure sealing not available."); |
15411c0c | 1742 | return -EOPNOTSUPP; |
7560fffc LP |
1743 | #endif |
1744 | } | |
1745 | ||
beec0085 LP |
1746 | static int verify(sd_journal *j) { |
1747 | int r = 0; | |
1748 | Iterator i; | |
1749 | JournalFile *f; | |
1750 | ||
1751 | assert(j); | |
1752 | ||
cedb42bb LP |
1753 | log_show_color(true); |
1754 | ||
c1f906bd | 1755 | ORDERED_HASHMAP_FOREACH(f, j->files, i) { |
beec0085 | 1756 | int k; |
a7f7d1bd | 1757 | usec_t first = 0, validated = 0, last = 0; |
beec0085 | 1758 | |
56e81f7c | 1759 | #ifdef HAVE_GCRYPT |
feb12d3e | 1760 | if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) |
cedb42bb | 1761 | log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path); |
56e81f7c | 1762 | #endif |
4da416aa | 1763 | |
2a7b539a | 1764 | k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true); |
56e81f7c | 1765 | if (k == -EINVAL) { |
baed47c3 | 1766 | /* If the key was invalid give up right-away. */ |
56e81f7c LP |
1767 | return k; |
1768 | } else if (k < 0) { | |
e53fc357 | 1769 | log_warning_errno(k, "FAIL: %s (%m)", f->path); |
56e81f7c | 1770 | r = k; |
6c7be122 LP |
1771 | } else { |
1772 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX]; | |
beec0085 | 1773 | log_info("PASS: %s", f->path); |
6c7be122 | 1774 | |
c0ca7aee | 1775 | if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) { |
2a7b539a | 1776 | if (validated > 0) { |
c0ca7aee | 1777 | log_info("=> Validated from %s to %s, final %s entries not sealed.", |
5ab99e07 LP |
1778 | format_timestamp_maybe_utc(a, sizeof(a), first), |
1779 | format_timestamp_maybe_utc(b, sizeof(b), validated), | |
2fa4092c | 1780 | format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0)); |
2a7b539a | 1781 | } else if (last > 0) |
c0ca7aee | 1782 | log_info("=> No sealing yet, %s of entries not sealed.", |
2fa4092c | 1783 | format_timespan(c, sizeof(c), last - first, 0)); |
c0ca7aee LP |
1784 | else |
1785 | log_info("=> No sealing yet, no entries in file."); | |
1786 | } | |
6c7be122 | 1787 | } |
beec0085 LP |
1788 | } |
1789 | ||
1790 | return r; | |
1791 | } | |
1792 | ||
6fe391c5 | 1793 | static int access_check_var_log_journal(sd_journal *j) { |
e346512c | 1794 | #ifdef HAVE_ACL |
6fe391c5 | 1795 | _cleanup_strv_free_ char **g = NULL; |
e346512c LP |
1796 | const char* dir; |
1797 | #endif | |
6fe391c5 ZJS |
1798 | int r; |
1799 | ||
1800 | assert(j); | |
1801 | ||
e346512c LP |
1802 | if (arg_quiet) |
1803 | return 0; | |
05c18530 | 1804 | |
e346512c LP |
1805 | /* If we are root, we should have access, don't warn. */ |
1806 | if (getuid() == 0) | |
1807 | return 0; | |
05c18530 | 1808 | |
e346512c LP |
1809 | /* If we are in the 'systemd-journal' group, we should have |
1810 | * access too. */ | |
1811 | r = in_group("systemd-journal"); | |
1812 | if (r < 0) | |
1813 | return log_error_errno(r, "Failed to check if we are in the 'systemd-journal' group: %m"); | |
1814 | if (r > 0) | |
1815 | return 0; | |
15804ceb | 1816 | |
e346512c LP |
1817 | #ifdef HAVE_ACL |
1818 | if (laccess("/run/log/journal", F_OK) >= 0) | |
1819 | dir = "/run/log/journal"; | |
1820 | else | |
1821 | dir = "/var/log/journal"; | |
1822 | ||
1823 | /* If we are in any of the groups listed in the journal ACLs, | |
1824 | * then all is good, too. Let's enumerate all groups from the | |
1825 | * default ACL of the directory, which generally should allow | |
1826 | * access to most journal files too. */ | |
1827 | r = acl_search_groups(dir, &g); | |
1828 | if (r < 0) | |
1829 | return log_error_errno(r, "Failed to search journal ACL: %m"); | |
1830 | if (r > 0) | |
1831 | return 0; | |
4468addc | 1832 | |
e346512c LP |
1833 | /* Print a pretty list, if there were ACLs set. */ |
1834 | if (!strv_isempty(g)) { | |
1835 | _cleanup_free_ char *s = NULL; | |
4468addc | 1836 | |
e346512c LP |
1837 | /* Thre are groups in the ACL, let's list them */ |
1838 | r = strv_extend(&g, "systemd-journal"); | |
1839 | if (r < 0) | |
1840 | return log_oom(); | |
6fe391c5 | 1841 | |
e346512c LP |
1842 | strv_sort(g); |
1843 | strv_uniq(g); | |
6fe391c5 | 1844 | |
e346512c LP |
1845 | s = strv_join(g, "', '"); |
1846 | if (!s) | |
1847 | return log_oom(); | |
6fe391c5 | 1848 | |
e346512c LP |
1849 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" |
1850 | " Users in groups '%s' can see all messages.\n" | |
1851 | " Pass -q to turn off this notice.", s); | |
1852 | return 1; | |
6fe391c5 | 1853 | } |
e346512c | 1854 | #endif |
4468addc | 1855 | |
e346512c LP |
1856 | /* If no ACLs were found, print a short version of the message. */ |
1857 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" | |
1858 | " Users in the 'systemd-journal' group can see all messages. Pass -q to\n" | |
1859 | " turn off this notice."); | |
1860 | ||
1861 | return 1; | |
6fe391c5 | 1862 | } |
4468addc | 1863 | |
6fe391c5 | 1864 | static int access_check(sd_journal *j) { |
6fe391c5 | 1865 | Iterator it; |
3ac251b8 | 1866 | void *code; |
5768d259 | 1867 | char *path; |
6fe391c5 | 1868 | int r = 0; |
4468addc | 1869 | |
6fe391c5 | 1870 | assert(j); |
4468addc | 1871 | |
5768d259 | 1872 | if (hashmap_isempty(j->errors)) { |
c1f906bd | 1873 | if (ordered_hashmap_isempty(j->files)) |
3ac251b8 | 1874 | log_notice("No journal files were found."); |
e346512c | 1875 | |
6fe391c5 ZJS |
1876 | return 0; |
1877 | } | |
4468addc | 1878 | |
5768d259 | 1879 | if (hashmap_contains(j->errors, INT_TO_PTR(-EACCES))) { |
e346512c | 1880 | (void) access_check_var_log_journal(j); |
3ac251b8 | 1881 | |
e346512c LP |
1882 | if (ordered_hashmap_isempty(j->files)) |
1883 | r = log_error_errno(EACCES, "No journal files were opened due to insufficient permissions."); | |
6fe391c5 | 1884 | } |
15804ceb | 1885 | |
5768d259 | 1886 | HASHMAP_FOREACH_KEY(path, code, j->errors, it) { |
3ac251b8 LP |
1887 | int err; |
1888 | ||
4f52b822 | 1889 | err = abs(PTR_TO_INT(code)); |
3ac251b8 | 1890 | |
5768d259 LP |
1891 | switch (err) { |
1892 | case EACCES: | |
e346512c LP |
1893 | continue; |
1894 | ||
5768d259 LP |
1895 | case ENODATA: |
1896 | log_warning_errno(err, "Journal file %s is truncated, ignoring file.", path); | |
1897 | break; | |
1898 | ||
1899 | case EPROTONOSUPPORT: | |
1900 | log_warning_errno(err, "Journal file %s uses an unsupported feature, ignoring file.", path); | |
1901 | break; | |
1902 | ||
1903 | case EBADMSG: | |
1904 | log_warning_errno(err, "Journal file %s corrupted, ignoring file.", path); | |
1905 | break; | |
1906 | ||
1907 | default: | |
0f748872 | 1908 | log_warning_errno(err, "An error was encountered while opening journal file or directory %s, ignoring file: %m", path); |
5768d259 LP |
1909 | break; |
1910 | } | |
6fe391c5 ZJS |
1911 | } |
1912 | ||
6fe391c5 | 1913 | return r; |
15804ceb LP |
1914 | } |
1915 | ||
74055aa7 | 1916 | static int flush_to_var(void) { |
4afd3348 LP |
1917 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1918 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
74055aa7 LP |
1919 | _cleanup_close_ int watch_fd = -1; |
1920 | int r; | |
1921 | ||
176ee07b LP |
1922 | if (arg_machine) { |
1923 | log_error("--flush is not supported in conjunction with --machine=."); | |
1924 | return -EOPNOTSUPP; | |
1925 | } | |
1926 | ||
74055aa7 LP |
1927 | /* Quick exit */ |
1928 | if (access("/run/systemd/journal/flushed", F_OK) >= 0) | |
1929 | return 0; | |
1930 | ||
1931 | /* OK, let's actually do the full logic, send SIGUSR1 to the | |
1932 | * daemon and set up inotify to wait for the flushed file to appear */ | |
266f3e26 | 1933 | r = bus_connect_system_systemd(&bus); |
23bbb0de MS |
1934 | if (r < 0) |
1935 | return log_error_errno(r, "Failed to get D-Bus connection: %m"); | |
74055aa7 LP |
1936 | |
1937 | r = sd_bus_call_method( | |
1938 | bus, | |
1939 | "org.freedesktop.systemd1", | |
1940 | "/org/freedesktop/systemd1", | |
1941 | "org.freedesktop.systemd1.Manager", | |
1942 | "KillUnit", | |
1943 | &error, | |
1944 | NULL, | |
1945 | "ssi", "systemd-journald.service", "main", SIGUSR1); | |
94b65516 LP |
1946 | if (r < 0) |
1947 | return log_error_errno(r, "Failed to kill journal service: %s", bus_error_message(&error, r)); | |
74055aa7 LP |
1948 | |
1949 | mkdir_p("/run/systemd/journal", 0755); | |
1950 | ||
1951 | watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); | |
4a62c710 MS |
1952 | if (watch_fd < 0) |
1953 | return log_error_errno(errno, "Failed to create inotify watch: %m"); | |
74055aa7 LP |
1954 | |
1955 | r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR); | |
4a62c710 MS |
1956 | if (r < 0) |
1957 | return log_error_errno(errno, "Failed to watch journal directory: %m"); | |
74055aa7 LP |
1958 | |
1959 | for (;;) { | |
1960 | if (access("/run/systemd/journal/flushed", F_OK) >= 0) | |
1961 | break; | |
1962 | ||
4a62c710 | 1963 | if (errno != ENOENT) |
f131770b | 1964 | return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m"); |
74055aa7 LP |
1965 | |
1966 | r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY); | |
23bbb0de MS |
1967 | if (r < 0) |
1968 | return log_error_errno(r, "Failed to wait for event: %m"); | |
74055aa7 LP |
1969 | |
1970 | r = flush_fd(watch_fd); | |
23bbb0de MS |
1971 | if (r < 0) |
1972 | return log_error_errno(r, "Failed to flush inotify events: %m"); | |
74055aa7 LP |
1973 | } |
1974 | ||
1975 | return 0; | |
1976 | } | |
1977 | ||
dbd6e31c | 1978 | static int send_signal_and_wait(int sig, const char *watch_path) { |
4afd3348 | 1979 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
94b65516 LP |
1980 | _cleanup_close_ int watch_fd = -1; |
1981 | usec_t start; | |
1982 | int r; | |
1983 | ||
176ee07b LP |
1984 | if (arg_machine) { |
1985 | log_error("--sync and --rotate are not supported in conjunction with --machine=."); | |
1986 | return -EOPNOTSUPP; | |
1987 | } | |
1988 | ||
33d52ab9 | 1989 | start = now(CLOCK_MONOTONIC); |
94b65516 | 1990 | |
dbd6e31c LP |
1991 | /* This call sends the specified signal to journald, and waits |
1992 | * for acknowledgment by watching the mtime of the specified | |
1993 | * flag file. This is used to trigger syncing or rotation and | |
1994 | * then wait for the operation to complete. */ | |
94b65516 LP |
1995 | |
1996 | for (;;) { | |
33d52ab9 | 1997 | usec_t tstamp; |
94b65516 LP |
1998 | |
1999 | /* See if a sync happened by now. */ | |
33d52ab9 LP |
2000 | r = read_timestamp_file(watch_path, &tstamp); |
2001 | if (r < 0 && r != -ENOENT) | |
2002 | return log_error_errno(errno, "Failed to read %s: %m", watch_path); | |
2003 | if (r >= 0 && tstamp >= start) | |
2004 | return 0; | |
94b65516 LP |
2005 | |
2006 | /* Let's ask for a sync, but only once. */ | |
2007 | if (!bus) { | |
4afd3348 | 2008 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
94b65516 LP |
2009 | |
2010 | r = bus_connect_system_systemd(&bus); | |
2011 | if (r < 0) | |
2012 | return log_error_errno(r, "Failed to get D-Bus connection: %m"); | |
2013 | ||
2014 | r = sd_bus_call_method( | |
2015 | bus, | |
2016 | "org.freedesktop.systemd1", | |
2017 | "/org/freedesktop/systemd1", | |
2018 | "org.freedesktop.systemd1.Manager", | |
2019 | "KillUnit", | |
2020 | &error, | |
2021 | NULL, | |
dbd6e31c | 2022 | "ssi", "systemd-journald.service", "main", sig); |
94b65516 LP |
2023 | if (r < 0) |
2024 | return log_error_errno(r, "Failed to kill journal service: %s", bus_error_message(&error, r)); | |
2025 | ||
2026 | continue; | |
2027 | } | |
2028 | ||
2029 | /* Let's install the inotify watch, if we didn't do that yet. */ | |
2030 | if (watch_fd < 0) { | |
2031 | ||
2032 | mkdir_p("/run/systemd/journal", 0755); | |
2033 | ||
2034 | watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); | |
2035 | if (watch_fd < 0) | |
2036 | return log_error_errno(errno, "Failed to create inotify watch: %m"); | |
2037 | ||
33d52ab9 | 2038 | r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_MOVED_TO|IN_DONT_FOLLOW|IN_ONLYDIR); |
94b65516 LP |
2039 | if (r < 0) |
2040 | return log_error_errno(errno, "Failed to watch journal directory: %m"); | |
2041 | ||
2042 | /* Recheck the flag file immediately, so that we don't miss any event since the last check. */ | |
2043 | continue; | |
2044 | } | |
2045 | ||
2046 | /* OK, all preparatory steps done, let's wait until | |
2047 | * inotify reports an event. */ | |
2048 | ||
2049 | r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY); | |
2050 | if (r < 0) | |
2051 | return log_error_errno(r, "Failed to wait for event: %m"); | |
2052 | ||
2053 | r = flush_fd(watch_fd); | |
2054 | if (r < 0) | |
2055 | return log_error_errno(r, "Failed to flush inotify events: %m"); | |
2056 | } | |
2057 | ||
2058 | return 0; | |
2059 | } | |
2060 | ||
dbd6e31c LP |
2061 | static int rotate(void) { |
2062 | return send_signal_and_wait(SIGUSR2, "/run/systemd/journal/rotated"); | |
2063 | } | |
2064 | ||
2065 | static int sync_journal(void) { | |
2066 | return send_signal_and_wait(SIGRTMIN+1, "/run/systemd/journal/synced"); | |
2067 | } | |
2068 | ||
a963990f LP |
2069 | int main(int argc, char *argv[]) { |
2070 | int r; | |
4afd3348 | 2071 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
a963990f | 2072 | bool need_seek = false; |
14a65d65 | 2073 | sd_id128_t previous_boot_id; |
67e04a48 ZJS |
2074 | bool previous_boot_id_valid = false, first_line = true; |
2075 | int n_shown = 0; | |
94e0bd7d | 2076 | bool ellipsized = false; |
a963990f | 2077 | |
a9cdc94f | 2078 | setlocale(LC_ALL, ""); |
a963990f LP |
2079 | log_parse_environment(); |
2080 | log_open(); | |
2081 | ||
2082 | r = parse_argv(argc, argv); | |
2083 | if (r <= 0) | |
2084 | goto finish; | |
2085 | ||
ed757c0c | 2086 | signal(SIGWINCH, columns_lines_cache_reset); |
2cf4172a | 2087 | sigbus_install(); |
ed757c0c | 2088 | |
de45d726 LP |
2089 | /* Increase max number of open files to 16K if we can, we |
2090 | * might needs this when browsing journal files, which might | |
2091 | * be split up into many files. */ | |
2092 | setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384)); | |
2093 | ||
a020b3b3 | 2094 | switch (arg_action) { |
94b65516 | 2095 | |
a020b3b3 LP |
2096 | case ACTION_NEW_ID128: |
2097 | r = generate_new_id128(); | |
e3fdfb49 | 2098 | goto finish; |
e3fdfb49 | 2099 | |
a020b3b3 | 2100 | case ACTION_SETUP_KEYS: |
7560fffc LP |
2101 | r = setup_keys(); |
2102 | goto finish; | |
844ec79b | 2103 | |
a020b3b3 LP |
2104 | case ACTION_LIST_CATALOG: |
2105 | case ACTION_DUMP_CATALOG: | |
2106 | case ACTION_UPDATE_CATALOG: { | |
0c6ea3a4 ZJS |
2107 | _cleanup_free_ char *database; |
2108 | ||
2109 | database = path_join(arg_root, CATALOG_DATABASE, NULL); | |
2110 | if (!database) { | |
2111 | r = log_oom(); | |
2112 | goto finish; | |
13cbf3a5 ZJS |
2113 | } |
2114 | ||
844ec79b | 2115 | if (arg_action == ACTION_UPDATE_CATALOG) { |
13cbf3a5 | 2116 | r = catalog_update(database, arg_root, catalog_file_dirs); |
844ec79b | 2117 | if (r < 0) |
da927ba9 | 2118 | log_error_errno(r, "Failed to list catalog: %m"); |
844ec79b ZJS |
2119 | } else { |
2120 | bool oneline = arg_action == ACTION_LIST_CATALOG; | |
2121 | ||
ea4b98e6 | 2122 | pager_open(arg_no_pager, arg_pager_end); |
a020b3b3 | 2123 | |
844ec79b | 2124 | if (optind < argc) |
a020b3b3 | 2125 | r = catalog_list_items(stdout, database, oneline, argv + optind); |
844ec79b | 2126 | else |
13cbf3a5 | 2127 | r = catalog_list(stdout, database, oneline); |
844ec79b | 2128 | if (r < 0) |
da927ba9 | 2129 | log_error_errno(r, "Failed to list catalog: %m"); |
844ec79b | 2130 | } |
d4205751 | 2131 | |
d4205751 LP |
2132 | goto finish; |
2133 | } | |
2134 | ||
a020b3b3 LP |
2135 | case ACTION_FLUSH: |
2136 | r = flush_to_var(); | |
2137 | goto finish; | |
2138 | ||
2139 | case ACTION_SYNC: | |
2140 | r = sync_journal(); | |
2141 | goto finish; | |
2142 | ||
2143 | case ACTION_ROTATE: | |
2144 | r = rotate(); | |
2145 | goto finish; | |
2146 | ||
2147 | case ACTION_SHOW: | |
2148 | case ACTION_PRINT_HEADER: | |
2149 | case ACTION_VERIFY: | |
2150 | case ACTION_DISK_USAGE: | |
2151 | case ACTION_LIST_BOOTS: | |
2152 | case ACTION_VACUUM: | |
69e714f3 LP |
2153 | case ACTION_LIST_FIELDS: |
2154 | case ACTION_LIST_FIELD_NAMES: | |
a020b3b3 LP |
2155 | /* These ones require access to the journal files, continue below. */ |
2156 | break; | |
2157 | ||
2158 | default: | |
2159 | assert_not_reached("Unknown action"); | |
2160 | } | |
2161 | ||
a963990f | 2162 | if (arg_directory) |
3f3a438f | 2163 | r = sd_journal_open_directory(&j, arg_directory, arg_journal_type); |
5d1ce257 LP |
2164 | else if (arg_file_stdin) { |
2165 | int ifd = STDIN_FILENO; | |
2166 | r = sd_journal_open_files_fd(&j, &ifd, 1, 0); | |
2167 | } else if (arg_file) | |
8d98da3f | 2168 | r = sd_journal_open_files(&j, (const char**) arg_file, 0); |
d38c62cc LP |
2169 | else if (arg_machine) { |
2170 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2171 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2172 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
2173 | int fd; | |
2174 | ||
2175 | if (geteuid() != 0) { | |
2176 | /* The file descriptor returned by OpenMachineRootDirectory() will be owned by users/groups of | |
2177 | * the container, thus we need root privileges to override them. */ | |
2178 | log_error("Using the --machine= switch requires root privileges."); | |
2179 | r = -EPERM; | |
2180 | goto finish; | |
2181 | } | |
2182 | ||
2183 | r = sd_bus_open_system(&bus); | |
2184 | if (r < 0) { | |
2185 | log_error_errno(r, "Failed to open system bus: %m"); | |
2186 | goto finish; | |
2187 | } | |
2188 | ||
2189 | r = sd_bus_call_method( | |
2190 | bus, | |
2191 | "org.freedesktop.machine1", | |
2192 | "/org/freedesktop/machine1", | |
2193 | "org.freedesktop.machine1.Manager", | |
2194 | "OpenMachineRootDirectory", | |
2195 | &error, | |
2196 | &reply, | |
2197 | "s", arg_machine); | |
2198 | if (r < 0) { | |
2199 | log_error_errno(r, "Failed to open root directory: %s", bus_error_message(&error, r)); | |
2200 | goto finish; | |
2201 | } | |
2202 | ||
2203 | r = sd_bus_message_read(reply, "h", &fd); | |
2204 | if (r < 0) { | |
2205 | bus_log_parse_error(r); | |
2206 | goto finish; | |
2207 | } | |
2208 | ||
2209 | fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
2210 | if (fd < 0) { | |
2211 | r = log_error_errno(errno, "Failed to duplicate file descriptor: %m"); | |
2212 | goto finish; | |
2213 | } | |
2214 | ||
2215 | r = sd_journal_open_directory_fd(&j, fd, SD_JOURNAL_OS_ROOT); | |
2216 | if (r < 0) | |
2217 | safe_close(fd); | |
2218 | } else | |
3f3a438f | 2219 | r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); |
a963990f | 2220 | if (r < 0) { |
a020b3b3 | 2221 | log_error_errno(r, "Failed to open %s: %m", arg_directory ?: arg_file ? "files" : "journal"); |
909dea0c | 2222 | goto finish; |
a963990f LP |
2223 | } |
2224 | ||
6fe391c5 ZJS |
2225 | r = access_check(j); |
2226 | if (r < 0) | |
909dea0c | 2227 | goto finish; |
6fe391c5 | 2228 | |
a020b3b3 | 2229 | switch (arg_action) { |
beec0085 | 2230 | |
a020b3b3 LP |
2231 | case ACTION_NEW_ID128: |
2232 | case ACTION_SETUP_KEYS: | |
2233 | case ACTION_LIST_CATALOG: | |
2234 | case ACTION_DUMP_CATALOG: | |
2235 | case ACTION_UPDATE_CATALOG: | |
2236 | case ACTION_FLUSH: | |
2237 | case ACTION_SYNC: | |
2238 | case ACTION_ROTATE: | |
2239 | assert_not_reached("Unexpected action."); | |
2240 | ||
2241 | case ACTION_PRINT_HEADER: | |
dca6219e | 2242 | journal_print_header(j); |
909dea0c LP |
2243 | r = 0; |
2244 | goto finish; | |
dca6219e | 2245 | |
a020b3b3 LP |
2246 | case ACTION_VERIFY: |
2247 | r = verify(j); | |
2248 | goto finish; | |
2249 | ||
2250 | case ACTION_DISK_USAGE: { | |
39883f62 | 2251 | uint64_t bytes = 0; |
a1a03e30 LP |
2252 | char sbytes[FORMAT_BYTES_MAX]; |
2253 | ||
2254 | r = sd_journal_get_usage(j, &bytes); | |
2255 | if (r < 0) | |
909dea0c | 2256 | goto finish; |
a1a03e30 | 2257 | |
dbd2a83f | 2258 | printf("Archived and active journals take up %s on disk.\n", |
763c7aa2 | 2259 | format_bytes(sbytes, sizeof(sbytes), bytes)); |
909dea0c | 2260 | goto finish; |
a1a03e30 LP |
2261 | } |
2262 | ||
a020b3b3 LP |
2263 | case ACTION_LIST_BOOTS: |
2264 | r = list_boots(j); | |
2265 | goto finish; | |
2266 | ||
2267 | case ACTION_VACUUM: { | |
dbd2a83f LP |
2268 | Directory *d; |
2269 | Iterator i; | |
2270 | ||
2271 | HASHMAP_FOREACH(d, j->directories_by_path, i) { | |
2272 | int q; | |
2273 | ||
2274 | if (d->is_root) | |
2275 | continue; | |
2276 | ||
8580d1f7 | 2277 | q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_n_files, arg_vacuum_time, NULL, true); |
dbd2a83f | 2278 | if (q < 0) { |
8580d1f7 | 2279 | log_error_errno(q, "Failed to vacuum %s: %m", d->path); |
dbd2a83f LP |
2280 | r = q; |
2281 | } | |
2282 | } | |
2283 | ||
909dea0c | 2284 | goto finish; |
dbd2a83f LP |
2285 | } |
2286 | ||
69e714f3 LP |
2287 | case ACTION_LIST_FIELD_NAMES: { |
2288 | const char *field; | |
2289 | ||
2290 | SD_JOURNAL_FOREACH_FIELD(j, field) { | |
2291 | printf("%s\n", field); | |
313cefa1 | 2292 | n_shown++; |
69e714f3 LP |
2293 | } |
2294 | ||
2295 | r = 0; | |
2296 | goto finish; | |
2297 | } | |
2298 | ||
a020b3b3 | 2299 | case ACTION_SHOW: |
69e714f3 | 2300 | case ACTION_LIST_FIELDS: |
a020b3b3 LP |
2301 | break; |
2302 | ||
2303 | default: | |
2304 | assert_not_reached("Unknown action"); | |
f1188074 ZJS |
2305 | } |
2306 | ||
0f1a9a83 JS |
2307 | if (arg_boot_offset != 0 && |
2308 | sd_journal_has_runtime_files(j) > 0 && | |
2309 | sd_journal_has_persistent_files(j) == 0) { | |
2310 | log_info("Specifying boot ID has no effect, no persistent journal was found"); | |
2311 | r = 0; | |
2312 | goto finish; | |
2313 | } | |
a331b5e6 JJ |
2314 | /* add_boot() must be called first! |
2315 | * It may need to seek the journal to find parent boot IDs. */ | |
2316 | r = add_boot(j); | |
a963990f | 2317 | if (r < 0) |
909dea0c | 2318 | goto finish; |
a963990f | 2319 | |
99271804 ZJS |
2320 | r = add_dmesg(j); |
2321 | if (r < 0) | |
909dea0c | 2322 | goto finish; |
99271804 | 2323 | |
b9e40524 | 2324 | r = add_units(j); |
ea18a4b5 | 2325 | if (r < 0) { |
da927ba9 | 2326 | log_error_errno(r, "Failed to add filter for units: %m"); |
909dea0c | 2327 | goto finish; |
ea18a4b5 | 2328 | } |
c3f60ec5 | 2329 | |
73083640 HH |
2330 | r = add_syslog_identifier(j); |
2331 | if (r < 0) { | |
da927ba9 | 2332 | log_error_errno(r, "Failed to add filter for syslog identifiers: %m"); |
909dea0c | 2333 | goto finish; |
73083640 HH |
2334 | } |
2335 | ||
cd34b3c6 | 2336 | r = add_priorities(j); |
b56d608e | 2337 | if (r < 0) |
909dea0c | 2338 | goto finish; |
a963990f | 2339 | |
cd34b3c6 | 2340 | r = add_matches(j, argv + optind); |
b56d608e | 2341 | if (r < 0) |
909dea0c | 2342 | goto finish; |
941e990d | 2343 | |
553d2243 | 2344 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) { |
4ad16808 ZJS |
2345 | _cleanup_free_ char *filter; |
2346 | ||
2347 | filter = journal_make_match_string(j); | |
b56d608e LP |
2348 | if (!filter) |
2349 | return log_oom(); | |
2350 | ||
4ad16808 ZJS |
2351 | log_debug("Journal filter: %s", filter); |
2352 | } | |
67e04a48 | 2353 | |
69e714f3 | 2354 | if (arg_action == ACTION_LIST_FIELDS) { |
15119c16 LP |
2355 | const void *data; |
2356 | size_t size; | |
2357 | ||
69e714f3 LP |
2358 | assert(arg_field); |
2359 | ||
21ae4593 ZJS |
2360 | r = sd_journal_set_data_threshold(j, 0); |
2361 | if (r < 0) { | |
b56d608e | 2362 | log_error_errno(r, "Failed to unset data size threshold: %m"); |
909dea0c | 2363 | goto finish; |
21ae4593 ZJS |
2364 | } |
2365 | ||
15119c16 LP |
2366 | r = sd_journal_query_unique(j, arg_field); |
2367 | if (r < 0) { | |
da927ba9 | 2368 | log_error_errno(r, "Failed to query unique data objects: %m"); |
909dea0c | 2369 | goto finish; |
15119c16 LP |
2370 | } |
2371 | ||
2372 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
2373 | const void *eq; | |
2374 | ||
67e04a48 | 2375 | if (arg_lines >= 0 && n_shown >= arg_lines) |
fd6e8875 LP |
2376 | break; |
2377 | ||
15119c16 LP |
2378 | eq = memchr(data, '=', size); |
2379 | if (eq) | |
2380 | printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1); | |
2381 | else | |
2382 | printf("%.*s\n", (int) size, (const char*) data); | |
fd6e8875 | 2383 | |
313cefa1 | 2384 | n_shown++; |
15119c16 LP |
2385 | } |
2386 | ||
909dea0c LP |
2387 | r = 0; |
2388 | goto finish; | |
15119c16 LP |
2389 | } |
2390 | ||
8d98da3f ZJS |
2391 | /* Opening the fd now means the first sd_journal_wait() will actually wait */ |
2392 | if (arg_follow) { | |
2393 | r = sd_journal_get_fd(j); | |
5d1ce257 LP |
2394 | if (r == -EMEDIUMTYPE) { |
2395 | log_error_errno(r, "The --follow switch is not supported in conjunction with reading from STDIN."); | |
2396 | goto finish; | |
2397 | } | |
b56d608e LP |
2398 | if (r < 0) { |
2399 | log_error_errno(r, "Failed to get journal fd: %m"); | |
909dea0c | 2400 | goto finish; |
b56d608e | 2401 | } |
8d98da3f ZJS |
2402 | } |
2403 | ||
248fc619 | 2404 | if (arg_cursor || arg_after_cursor) { |
eacbb4d3 | 2405 | r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor); |
08984293 | 2406 | if (r < 0) { |
da927ba9 | 2407 | log_error_errno(r, "Failed to seek to cursor: %m"); |
909dea0c | 2408 | goto finish; |
08984293 | 2409 | } |
909dea0c | 2410 | |
d89d6c86 | 2411 | if (!arg_reverse) |
248fc619 | 2412 | r = sd_journal_next_skip(j, 1 + !!arg_after_cursor); |
d89d6c86 | 2413 | else |
248fc619 ZJS |
2414 | r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor); |
2415 | ||
8ee8e536 | 2416 | if (arg_after_cursor && r < 2) { |
248fc619 | 2417 | /* We couldn't find the next entry after the cursor. */ |
8ee8e536 WD |
2418 | if (arg_follow) |
2419 | need_seek = true; | |
2420 | else | |
2421 | arg_lines = 0; | |
2422 | } | |
08984293 | 2423 | |
d89d6c86 | 2424 | } else if (arg_since_set && !arg_reverse) { |
cfbc22ab | 2425 | r = sd_journal_seek_realtime_usec(j, arg_since); |
8f14c832 | 2426 | if (r < 0) { |
da927ba9 | 2427 | log_error_errno(r, "Failed to seek to date: %m"); |
909dea0c | 2428 | goto finish; |
8f14c832 | 2429 | } |
8f14c832 LP |
2430 | r = sd_journal_next(j); |
2431 | ||
d89d6c86 LN |
2432 | } else if (arg_until_set && arg_reverse) { |
2433 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
2434 | if (r < 0) { | |
da927ba9 | 2435 | log_error_errno(r, "Failed to seek to date: %m"); |
909dea0c | 2436 | goto finish; |
d89d6c86 LN |
2437 | } |
2438 | r = sd_journal_previous(j); | |
2439 | ||
67e04a48 | 2440 | } else if (arg_lines >= 0) { |
2100675e LP |
2441 | r = sd_journal_seek_tail(j); |
2442 | if (r < 0) { | |
da927ba9 | 2443 | log_error_errno(r, "Failed to seek to tail: %m"); |
909dea0c | 2444 | goto finish; |
2100675e LP |
2445 | } |
2446 | ||
2447 | r = sd_journal_previous_skip(j, arg_lines); | |
8f14c832 | 2448 | |
d89d6c86 LN |
2449 | } else if (arg_reverse) { |
2450 | r = sd_journal_seek_tail(j); | |
2451 | if (r < 0) { | |
da927ba9 | 2452 | log_error_errno(r, "Failed to seek to tail: %m"); |
909dea0c | 2453 | goto finish; |
d89d6c86 LN |
2454 | } |
2455 | ||
2456 | r = sd_journal_previous(j); | |
2457 | ||
2100675e LP |
2458 | } else { |
2459 | r = sd_journal_seek_head(j); | |
2460 | if (r < 0) { | |
da927ba9 | 2461 | log_error_errno(r, "Failed to seek to head: %m"); |
909dea0c | 2462 | goto finish; |
2100675e | 2463 | } |
6f003b43 LP |
2464 | |
2465 | r = sd_journal_next(j); | |
2466 | } | |
2467 | ||
2468 | if (r < 0) { | |
da927ba9 | 2469 | log_error_errno(r, "Failed to iterate through journal: %m"); |
909dea0c | 2470 | goto finish; |
50f20cfd | 2471 | } |
02ab86c7 | 2472 | if (r == 0) { |
c51e1a96 SW |
2473 | if (arg_follow) |
2474 | need_seek = true; | |
2475 | else { | |
bfcb7c5f EV |
2476 | if (!arg_quiet) |
2477 | printf("-- No entries --\n"); | |
c51e1a96 SW |
2478 | goto finish; |
2479 | } | |
02ab86c7 | 2480 | } |
87d2c1ff | 2481 | |
faf5077f | 2482 | if (!arg_follow) |
ea4b98e6 | 2483 | pager_open(arg_no_pager, arg_pager_end); |
0d43c694 | 2484 | |
cfbc22ab LP |
2485 | if (!arg_quiet) { |
2486 | usec_t start, end; | |
2487 | char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX]; | |
2488 | ||
2489 | r = sd_journal_get_cutoff_realtime_usec(j, &start, &end); | |
2490 | if (r < 0) { | |
da927ba9 | 2491 | log_error_errno(r, "Failed to get cutoff: %m"); |
cfbc22ab LP |
2492 | goto finish; |
2493 | } | |
2494 | ||
2495 | if (r > 0) { | |
2496 | if (arg_follow) | |
9048b11f | 2497 | printf("-- Logs begin at %s. --\n", |
5ab99e07 | 2498 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start)); |
cfbc22ab | 2499 | else |
9048b11f | 2500 | printf("-- Logs begin at %s, end at %s. --\n", |
5ab99e07 LP |
2501 | format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start), |
2502 | format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end)); | |
cfbc22ab LP |
2503 | } |
2504 | } | |
2505 | ||
50f20cfd | 2506 | for (;;) { |
67e04a48 | 2507 | while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) { |
cfbc22ab LP |
2508 | int flags; |
2509 | ||
6f003b43 | 2510 | if (need_seek) { |
99613ec5 | 2511 | if (!arg_reverse) |
d89d6c86 LN |
2512 | r = sd_journal_next(j); |
2513 | else | |
2514 | r = sd_journal_previous(j); | |
6f003b43 | 2515 | if (r < 0) { |
da927ba9 | 2516 | log_error_errno(r, "Failed to iterate through journal: %m"); |
6f003b43 LP |
2517 | goto finish; |
2518 | } | |
a72b6353 ZJS |
2519 | if (r == 0) |
2520 | break; | |
0d43c694 LP |
2521 | } |
2522 | ||
d89d6c86 | 2523 | if (arg_until_set && !arg_reverse) { |
cfbc22ab LP |
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"); |
cfbc22ab LP |
2529 | goto finish; |
2530 | } | |
3ba09ee8 PF |
2531 | if (usec > arg_until) |
2532 | goto finish; | |
cfbc22ab LP |
2533 | } |
2534 | ||
d89d6c86 LN |
2535 | if (arg_since_set && arg_reverse) { |
2536 | usec_t usec; | |
2537 | ||
2538 | r = sd_journal_get_realtime_usec(j, &usec); | |
2539 | if (r < 0) { | |
da927ba9 | 2540 | log_error_errno(r, "Failed to determine timestamp: %m"); |
d89d6c86 LN |
2541 | goto finish; |
2542 | } | |
2543 | if (usec < arg_since) | |
2544 | goto finish; | |
2545 | } | |
2546 | ||
4bed2485 | 2547 | if (!arg_merge && !arg_quiet) { |
cd931c0a | 2548 | sd_id128_t boot_id; |
14a65d65 | 2549 | |
cd931c0a LP |
2550 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); |
2551 | if (r >= 0) { | |
2552 | if (previous_boot_id_valid && | |
2553 | !sd_id128_equal(boot_id, previous_boot_id)) | |
0b5a519c | 2554 | printf("%s-- Reboot --%s\n", |
1fc464f6 | 2555 | ansi_highlight(), ansi_normal()); |
cd931c0a LP |
2556 | |
2557 | previous_boot_id = boot_id; | |
2558 | previous_boot_id_valid = true; | |
2559 | } | |
14a65d65 LP |
2560 | } |
2561 | ||
cfbc22ab | 2562 | flags = |
cd4b13e0 | 2563 | arg_all * OUTPUT_SHOW_ALL | |
2b8f6883 | 2564 | arg_full * OUTPUT_FULL_WIDTH | |
40c9fe4c | 2565 | colors_enabled() * OUTPUT_COLOR | |
9fd29044 | 2566 | arg_catalog * OUTPUT_CATALOG | |
991e274b LP |
2567 | arg_utc * OUTPUT_UTC | |
2568 | arg_no_hostname * OUTPUT_NO_HOSTNAME; | |
cfbc22ab | 2569 | |
94e0bd7d | 2570 | r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized); |
a72b6353 ZJS |
2571 | need_seek = true; |
2572 | if (r == -EADDRNOTAVAIL) | |
2573 | break; | |
2574 | else if (r < 0 || ferror(stdout)) | |
72f59706 | 2575 | goto finish; |
6f003b43 | 2576 | |
cfbc22ab | 2577 | n_shown++; |
87d2c1ff LP |
2578 | } |
2579 | ||
248fc619 ZJS |
2580 | if (!arg_follow) { |
2581 | if (arg_show_cursor) { | |
2582 | _cleanup_free_ char *cursor = NULL; | |
2583 | ||
2584 | r = sd_journal_get_cursor(j, &cursor); | |
2585 | if (r < 0 && r != -EADDRNOTAVAIL) | |
da927ba9 | 2586 | log_error_errno(r, "Failed to get cursor: %m"); |
248fc619 ZJS |
2587 | else if (r >= 0) |
2588 | printf("-- cursor: %s\n", cursor); | |
2589 | } | |
2590 | ||
50f20cfd | 2591 | break; |
248fc619 | 2592 | } |
50f20cfd | 2593 | |
e02d1cf7 | 2594 | r = sd_journal_wait(j, (uint64_t) -1); |
50f20cfd | 2595 | if (r < 0) { |
da927ba9 | 2596 | log_error_errno(r, "Couldn't wait for journal event: %m"); |
50f20cfd LP |
2597 | goto finish; |
2598 | } | |
67e04a48 ZJS |
2599 | |
2600 | first_line = false; | |
de190aef | 2601 | } |
87d2c1ff LP |
2602 | |
2603 | finish: | |
0d43c694 LP |
2604 | pager_close(); |
2605 | ||
a36b8deb ZJS |
2606 | strv_free(arg_file); |
2607 | ||
d52da205 LP |
2608 | strv_free(arg_syslog_identifier); |
2609 | strv_free(arg_system_units); | |
2610 | strv_free(arg_user_units); | |
2611 | ||
0f03c2a4 LP |
2612 | free(arg_root); |
2613 | ||
3fbf9cbb | 2614 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
87d2c1ff | 2615 | } |