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663996b3 MS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <locale.h> | |
23 | #include <fcntl.h> | |
60f067b4 | 24 | #include <fnmatch.h> |
663996b3 MS |
25 | #include <errno.h> |
26 | #include <stddef.h> | |
27 | #include <string.h> | |
28 | #include <stdio.h> | |
29 | #include <unistd.h> | |
30 | #include <stdlib.h> | |
31 | #include <time.h> | |
32 | #include <getopt.h> | |
33 | #include <signal.h> | |
34 | #include <sys/stat.h> | |
35 | #include <sys/ioctl.h> | |
36 | #include <linux/fs.h> | |
37 | ||
38 | #ifdef HAVE_ACL | |
39 | #include <sys/acl.h> | |
40 | #include "acl-util.h" | |
41 | #endif | |
42 | ||
43 | #include <systemd/sd-journal.h> | |
44 | ||
45 | #include "log.h" | |
46 | #include "logs-show.h" | |
47 | #include "util.h" | |
48 | #include "path-util.h" | |
14228c0d | 49 | #include "fileio.h" |
663996b3 MS |
50 | #include "build.h" |
51 | #include "pager.h" | |
663996b3 | 52 | #include "strv.h" |
60f067b4 | 53 | #include "set.h" |
663996b3 MS |
54 | #include "journal-internal.h" |
55 | #include "journal-def.h" | |
56 | #include "journal-verify.h" | |
57 | #include "journal-authenticate.h" | |
58 | #include "journal-qrcode.h" | |
59 | #include "fsprg.h" | |
60 | #include "unit-name.h" | |
61 | #include "catalog.h" | |
62 | ||
63 | #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) | |
64 | ||
65 | static OutputMode arg_output = OUTPUT_SHORT; | |
66 | static bool arg_pager_end = false; | |
67 | static bool arg_follow = false; | |
60f067b4 | 68 | static bool arg_full = true; |
663996b3 MS |
69 | static bool arg_all = false; |
70 | static bool arg_no_pager = false; | |
71 | static int arg_lines = -1; | |
72 | static bool arg_no_tail = false; | |
73 | static bool arg_quiet = false; | |
74 | static bool arg_merge = false; | |
14228c0d | 75 | static bool arg_boot = false; |
60f067b4 JS |
76 | static sd_id128_t arg_boot_id = {}; |
77 | static int arg_boot_offset = 0; | |
14228c0d | 78 | static bool arg_dmesg = false; |
663996b3 | 79 | static const char *arg_cursor = NULL; |
14228c0d MB |
80 | static const char *arg_after_cursor = NULL; |
81 | static bool arg_show_cursor = false; | |
663996b3 | 82 | static const char *arg_directory = NULL; |
14228c0d | 83 | static char **arg_file = NULL; |
663996b3 MS |
84 | static int arg_priorities = 0xFF; |
85 | static const char *arg_verify_key = NULL; | |
86 | #ifdef HAVE_GCRYPT | |
87 | static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC; | |
14228c0d | 88 | static bool arg_force = false; |
663996b3 MS |
89 | #endif |
90 | static usec_t arg_since, arg_until; | |
91 | static bool arg_since_set = false, arg_until_set = false; | |
92 | static char **arg_system_units = NULL; | |
93 | static char **arg_user_units = NULL; | |
94 | static const char *arg_field = NULL; | |
95 | static bool arg_catalog = false; | |
96 | static bool arg_reverse = false; | |
14228c0d | 97 | static int arg_journal_type = 0; |
663996b3 | 98 | static const char *arg_root = NULL; |
60f067b4 | 99 | static const char *arg_machine = NULL; |
663996b3 MS |
100 | |
101 | static enum { | |
102 | ACTION_SHOW, | |
103 | ACTION_NEW_ID128, | |
104 | ACTION_PRINT_HEADER, | |
105 | ACTION_SETUP_KEYS, | |
106 | ACTION_VERIFY, | |
107 | ACTION_DISK_USAGE, | |
108 | ACTION_LIST_CATALOG, | |
109 | ACTION_DUMP_CATALOG, | |
60f067b4 JS |
110 | ACTION_UPDATE_CATALOG, |
111 | ACTION_LIST_BOOTS, | |
663996b3 MS |
112 | } arg_action = ACTION_SHOW; |
113 | ||
14228c0d MB |
114 | typedef struct boot_id_t { |
115 | sd_id128_t id; | |
60f067b4 JS |
116 | uint64_t first; |
117 | uint64_t last; | |
14228c0d MB |
118 | } boot_id_t; |
119 | ||
60f067b4 JS |
120 | static void pager_open_if_enabled(void) { |
121 | ||
122 | if (arg_no_pager) | |
123 | return; | |
124 | ||
125 | pager_open(arg_pager_end); | |
126 | } | |
127 | ||
128 | static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) { | |
129 | sd_id128_t id = SD_ID128_NULL; | |
130 | int off = 0, r; | |
131 | ||
132 | if (strlen(x) >= 32) { | |
133 | char *t; | |
134 | ||
135 | t = strndupa(x, 32); | |
136 | r = sd_id128_from_string(t, &id); | |
137 | if (r >= 0) | |
138 | x += 32; | |
139 | ||
140 | if (*x != '-' && *x != '+' && *x != 0) | |
141 | return -EINVAL; | |
142 | ||
143 | if (*x != 0) { | |
144 | r = safe_atoi(x, &off); | |
145 | if (r < 0) | |
146 | return r; | |
147 | } | |
148 | } else { | |
149 | r = safe_atoi(x, &off); | |
150 | if (r < 0) | |
151 | return r; | |
152 | } | |
153 | ||
154 | if (boot_id) | |
155 | *boot_id = id; | |
156 | ||
157 | if (offset) | |
158 | *offset = off; | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
663996b3 MS |
163 | static int help(void) { |
164 | ||
60f067b4 JS |
165 | pager_open_if_enabled(); |
166 | ||
663996b3 MS |
167 | printf("%s [OPTIONS...] [MATCHES...]\n\n" |
168 | "Query the journal.\n\n" | |
169 | "Flags:\n" | |
14228c0d | 170 | " --system Show only the system journal\n" |
60f067b4 JS |
171 | " --user Show only the user journal for the current user\n" |
172 | " -M --machine=CONTAINER Operate on local container\n" | |
173 | " --since=DATE Start showing entries on or newer than the specified date\n" | |
174 | " --until=DATE Stop showing entries on or older than the specified date\n" | |
175 | " -c --cursor=CURSOR Start showing entries from the specified cursor\n" | |
176 | " --after-cursor=CURSOR Start showing entries from after the specified cursor\n" | |
14228c0d | 177 | " --show-cursor Print the cursor after all the entries\n" |
60f067b4 JS |
178 | " -b --boot[=ID] Show data only from ID or, if unspecified, the current boot\n" |
179 | " --list-boots Show terse information about recorded boots\n" | |
180 | " -k --dmesg Show kernel message log from the current boot\n" | |
14228c0d MB |
181 | " -u --unit=UNIT Show data only from the specified unit\n" |
182 | " --user-unit=UNIT Show data only from the specified user session unit\n" | |
183 | " -p --priority=RANGE Show only messages within the specified priority range\n" | |
184 | " -e --pager-end Immediately jump to end of the journal in the pager\n" | |
60f067b4 | 185 | " -f --follow Follow the journal\n" |
14228c0d MB |
186 | " -n --lines[=INTEGER] Number of journal entries to show\n" |
187 | " --no-tail Show all lines, even in follow mode\n" | |
188 | " -r --reverse Show the newest entries first\n" | |
189 | " -o --output=STRING Change journal output mode (short, short-iso,\n" | |
60f067b4 JS |
190 | " short-precise, short-monotonic, verbose,\n" |
191 | " export, json, json-pretty, json-sse, cat)\n" | |
14228c0d | 192 | " -x --catalog Add message explanations where available\n" |
60f067b4 | 193 | " --no-full Ellipsize fields\n" |
14228c0d | 194 | " -a --all Show all fields, including long and unprintable\n" |
60f067b4 | 195 | " -q --quiet Do not show privilege warning\n" |
14228c0d MB |
196 | " --no-pager Do not pipe output into a pager\n" |
197 | " -m --merge Show entries from all available journals\n" | |
198 | " -D --directory=PATH Show journal files from directory\n" | |
199 | " --file=PATH Show journal file\n" | |
200 | " --root=ROOT Operate on catalog files underneath the root ROOT\n" | |
663996b3 | 201 | #ifdef HAVE_GCRYPT |
14228c0d MB |
202 | " --interval=TIME Time interval for changing the FSS sealing key\n" |
203 | " --verify-key=KEY Specify FSS verification key\n" | |
60f067b4 | 204 | " --force Force overriding of the FSS key pair with --setup-keys\n" |
663996b3 MS |
205 | #endif |
206 | "\nCommands:\n" | |
60f067b4 | 207 | " -h --help Show this help text\n" |
14228c0d | 208 | " --version Show package version\n" |
60f067b4 | 209 | " --new-id128 Generate a new 128-bit ID\n" |
14228c0d | 210 | " --header Show journal header information\n" |
60f067b4 JS |
211 | " --disk-usage Show total disk usage of all journal files\n" |
212 | " -F --field=FIELD List all values that a specified field takes\n" | |
14228c0d MB |
213 | " --list-catalog Show message IDs of all entries in the message catalog\n" |
214 | " --dump-catalog Show entries in the message catalog\n" | |
215 | " --update-catalog Update the message catalog database\n" | |
663996b3 | 216 | #ifdef HAVE_GCRYPT |
60f067b4 | 217 | " --setup-keys Generate a new FSS key pair\n" |
14228c0d | 218 | " --verify Verify journal file consistency\n" |
663996b3 MS |
219 | #endif |
220 | , program_invocation_short_name); | |
221 | ||
222 | return 0; | |
223 | } | |
224 | ||
225 | static int parse_argv(int argc, char *argv[]) { | |
226 | ||
227 | enum { | |
228 | ARG_VERSION = 0x100, | |
229 | ARG_NO_PAGER, | |
60f067b4 | 230 | ARG_NO_FULL, |
663996b3 MS |
231 | ARG_NO_TAIL, |
232 | ARG_NEW_ID128, | |
60f067b4 | 233 | ARG_LIST_BOOTS, |
14228c0d MB |
234 | ARG_USER, |
235 | ARG_SYSTEM, | |
663996b3 MS |
236 | ARG_ROOT, |
237 | ARG_HEADER, | |
663996b3 | 238 | ARG_SETUP_KEYS, |
14228c0d | 239 | ARG_FILE, |
663996b3 MS |
240 | ARG_INTERVAL, |
241 | ARG_VERIFY, | |
242 | ARG_VERIFY_KEY, | |
243 | ARG_DISK_USAGE, | |
244 | ARG_SINCE, | |
245 | ARG_UNTIL, | |
14228c0d MB |
246 | ARG_AFTER_CURSOR, |
247 | ARG_SHOW_CURSOR, | |
663996b3 MS |
248 | ARG_USER_UNIT, |
249 | ARG_LIST_CATALOG, | |
250 | ARG_DUMP_CATALOG, | |
14228c0d MB |
251 | ARG_UPDATE_CATALOG, |
252 | ARG_FORCE, | |
663996b3 MS |
253 | }; |
254 | ||
255 | static const struct option options[] = { | |
14228c0d MB |
256 | { "help", no_argument, NULL, 'h' }, |
257 | { "version" , no_argument, NULL, ARG_VERSION }, | |
258 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
259 | { "pager-end", no_argument, NULL, 'e' }, | |
260 | { "follow", no_argument, NULL, 'f' }, | |
261 | { "force", no_argument, NULL, ARG_FORCE }, | |
262 | { "output", required_argument, NULL, 'o' }, | |
263 | { "all", no_argument, NULL, 'a' }, | |
264 | { "full", no_argument, NULL, 'l' }, | |
60f067b4 | 265 | { "no-full", no_argument, NULL, ARG_NO_FULL }, |
14228c0d MB |
266 | { "lines", optional_argument, NULL, 'n' }, |
267 | { "no-tail", no_argument, NULL, ARG_NO_TAIL }, | |
268 | { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, | |
269 | { "quiet", no_argument, NULL, 'q' }, | |
270 | { "merge", no_argument, NULL, 'm' }, | |
271 | { "boot", optional_argument, NULL, 'b' }, | |
60f067b4 | 272 | { "list-boots", no_argument, NULL, ARG_LIST_BOOTS }, |
14228c0d MB |
273 | { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */ |
274 | { "dmesg", no_argument, NULL, 'k' }, | |
275 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
276 | { "user", no_argument, NULL, ARG_USER }, | |
277 | { "directory", required_argument, NULL, 'D' }, | |
278 | { "file", required_argument, NULL, ARG_FILE }, | |
279 | { "root", required_argument, NULL, ARG_ROOT }, | |
280 | { "header", no_argument, NULL, ARG_HEADER }, | |
281 | { "priority", required_argument, NULL, 'p' }, | |
282 | { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS }, | |
283 | { "interval", required_argument, NULL, ARG_INTERVAL }, | |
284 | { "verify", no_argument, NULL, ARG_VERIFY }, | |
285 | { "verify-key", required_argument, NULL, ARG_VERIFY_KEY }, | |
286 | { "disk-usage", no_argument, NULL, ARG_DISK_USAGE }, | |
287 | { "cursor", required_argument, NULL, 'c' }, | |
288 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
289 | { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR }, | |
290 | { "since", required_argument, NULL, ARG_SINCE }, | |
291 | { "until", required_argument, NULL, ARG_UNTIL }, | |
292 | { "unit", required_argument, NULL, 'u' }, | |
293 | { "user-unit", required_argument, NULL, ARG_USER_UNIT }, | |
294 | { "field", required_argument, NULL, 'F' }, | |
295 | { "catalog", no_argument, NULL, 'x' }, | |
296 | { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG }, | |
297 | { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG }, | |
298 | { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG }, | |
299 | { "reverse", no_argument, NULL, 'r' }, | |
60f067b4 JS |
300 | { "machine", required_argument, NULL, 'M' }, |
301 | {} | |
663996b3 MS |
302 | }; |
303 | ||
304 | int c, r; | |
305 | ||
306 | assert(argc >= 0); | |
307 | assert(argv); | |
308 | ||
60f067b4 | 309 | while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:u:F:xrM:", options, NULL)) >= 0) { |
663996b3 MS |
310 | |
311 | switch (c) { | |
312 | ||
313 | case 'h': | |
60f067b4 | 314 | return help(); |
663996b3 MS |
315 | |
316 | case ARG_VERSION: | |
317 | puts(PACKAGE_STRING); | |
318 | puts(SYSTEMD_FEATURES); | |
319 | return 0; | |
320 | ||
321 | case ARG_NO_PAGER: | |
322 | arg_no_pager = true; | |
323 | break; | |
324 | ||
325 | case 'e': | |
326 | arg_pager_end = true; | |
327 | ||
328 | if (arg_lines < 0) | |
329 | arg_lines = 1000; | |
330 | ||
331 | break; | |
332 | ||
333 | case 'f': | |
334 | arg_follow = true; | |
335 | break; | |
336 | ||
337 | case 'o': | |
338 | arg_output = output_mode_from_string(optarg); | |
339 | if (arg_output < 0) { | |
340 | log_error("Unknown output format '%s'.", optarg); | |
341 | return -EINVAL; | |
342 | } | |
343 | ||
344 | if (arg_output == OUTPUT_EXPORT || | |
345 | arg_output == OUTPUT_JSON || | |
346 | arg_output == OUTPUT_JSON_PRETTY || | |
347 | arg_output == OUTPUT_JSON_SSE || | |
348 | arg_output == OUTPUT_CAT) | |
349 | arg_quiet = true; | |
350 | ||
351 | break; | |
352 | ||
14228c0d | 353 | case 'l': |
663996b3 MS |
354 | arg_full = true; |
355 | break; | |
356 | ||
60f067b4 JS |
357 | case ARG_NO_FULL: |
358 | arg_full = false; | |
359 | break; | |
360 | ||
663996b3 MS |
361 | case 'a': |
362 | arg_all = true; | |
363 | break; | |
364 | ||
365 | case 'n': | |
366 | if (optarg) { | |
367 | r = safe_atoi(optarg, &arg_lines); | |
368 | if (r < 0 || arg_lines < 0) { | |
369 | log_error("Failed to parse lines '%s'", optarg); | |
370 | return -EINVAL; | |
371 | } | |
372 | } else { | |
373 | int n; | |
374 | ||
375 | /* Hmm, no argument? Maybe the next | |
376 | * word on the command line is | |
377 | * supposed to be the argument? Let's | |
378 | * see if there is one, and is | |
379 | * parsable as a positive | |
380 | * integer... */ | |
381 | ||
382 | if (optind < argc && | |
383 | safe_atoi(argv[optind], &n) >= 0 && | |
384 | n >= 0) { | |
385 | ||
386 | arg_lines = n; | |
387 | optind++; | |
388 | } else | |
389 | arg_lines = 10; | |
390 | } | |
391 | ||
392 | break; | |
393 | ||
394 | case ARG_NO_TAIL: | |
395 | arg_no_tail = true; | |
396 | break; | |
397 | ||
398 | case ARG_NEW_ID128: | |
399 | arg_action = ACTION_NEW_ID128; | |
400 | break; | |
401 | ||
402 | case 'q': | |
403 | arg_quiet = true; | |
404 | break; | |
405 | ||
406 | case 'm': | |
407 | arg_merge = true; | |
408 | break; | |
409 | ||
410 | case 'b': | |
14228c0d MB |
411 | arg_boot = true; |
412 | ||
60f067b4 JS |
413 | if (optarg) { |
414 | r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset); | |
415 | if (r < 0) { | |
416 | log_error("Failed to parse boot descriptor '%s'", optarg); | |
417 | return -EINVAL; | |
418 | } | |
419 | } else { | |
420 | ||
421 | /* Hmm, no argument? Maybe the next | |
422 | * word on the command line is | |
423 | * supposed to be the argument? Let's | |
424 | * see if there is one and is parsable | |
425 | * as a boot descriptor... */ | |
14228c0d | 426 | |
60f067b4 JS |
427 | if (optind < argc && |
428 | parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset) >= 0) | |
14228c0d | 429 | optind++; |
14228c0d MB |
430 | } |
431 | ||
432 | break; | |
433 | ||
60f067b4 JS |
434 | case ARG_LIST_BOOTS: |
435 | arg_action = ACTION_LIST_BOOTS; | |
436 | break; | |
437 | ||
14228c0d MB |
438 | case 'k': |
439 | arg_boot = arg_dmesg = true; | |
440 | break; | |
441 | ||
442 | case ARG_SYSTEM: | |
443 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
444 | break; | |
445 | ||
446 | case ARG_USER: | |
447 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
663996b3 MS |
448 | break; |
449 | ||
60f067b4 JS |
450 | case 'M': |
451 | arg_machine = optarg; | |
452 | break; | |
453 | ||
663996b3 MS |
454 | case 'D': |
455 | arg_directory = optarg; | |
456 | break; | |
457 | ||
14228c0d MB |
458 | case ARG_FILE: |
459 | r = glob_extend(&arg_file, optarg); | |
460 | if (r < 0) { | |
461 | log_error("Failed to add paths: %s", strerror(-r)); | |
462 | return r; | |
463 | }; | |
464 | break; | |
465 | ||
663996b3 MS |
466 | case ARG_ROOT: |
467 | arg_root = optarg; | |
468 | break; | |
469 | ||
470 | case 'c': | |
471 | arg_cursor = optarg; | |
472 | break; | |
473 | ||
14228c0d MB |
474 | case ARG_AFTER_CURSOR: |
475 | arg_after_cursor = optarg; | |
476 | break; | |
477 | ||
478 | case ARG_SHOW_CURSOR: | |
479 | arg_show_cursor = true; | |
480 | break; | |
481 | ||
663996b3 MS |
482 | case ARG_HEADER: |
483 | arg_action = ACTION_PRINT_HEADER; | |
484 | break; | |
485 | ||
486 | case ARG_VERIFY: | |
487 | arg_action = ACTION_VERIFY; | |
488 | break; | |
489 | ||
490 | case ARG_DISK_USAGE: | |
491 | arg_action = ACTION_DISK_USAGE; | |
492 | break; | |
493 | ||
494 | #ifdef HAVE_GCRYPT | |
14228c0d MB |
495 | case ARG_FORCE: |
496 | arg_force = true; | |
497 | break; | |
498 | ||
663996b3 MS |
499 | case ARG_SETUP_KEYS: |
500 | arg_action = ACTION_SETUP_KEYS; | |
501 | break; | |
502 | ||
503 | ||
504 | case ARG_VERIFY_KEY: | |
505 | arg_action = ACTION_VERIFY; | |
506 | arg_verify_key = optarg; | |
507 | arg_merge = false; | |
508 | break; | |
509 | ||
510 | case ARG_INTERVAL: | |
511 | r = parse_sec(optarg, &arg_interval); | |
512 | if (r < 0 || arg_interval <= 0) { | |
513 | log_error("Failed to parse sealing key change interval: %s", optarg); | |
514 | return -EINVAL; | |
515 | } | |
516 | break; | |
517 | #else | |
518 | case ARG_SETUP_KEYS: | |
519 | case ARG_VERIFY_KEY: | |
520 | case ARG_INTERVAL: | |
14228c0d | 521 | case ARG_FORCE: |
663996b3 MS |
522 | log_error("Forward-secure sealing not available."); |
523 | return -ENOTSUP; | |
524 | #endif | |
525 | ||
526 | case 'p': { | |
527 | const char *dots; | |
528 | ||
529 | dots = strstr(optarg, ".."); | |
530 | if (dots) { | |
531 | char *a; | |
532 | int from, to, i; | |
533 | ||
534 | /* a range */ | |
535 | a = strndup(optarg, dots - optarg); | |
536 | if (!a) | |
537 | return log_oom(); | |
538 | ||
539 | from = log_level_from_string(a); | |
540 | to = log_level_from_string(dots + 2); | |
541 | free(a); | |
542 | ||
543 | if (from < 0 || to < 0) { | |
544 | log_error("Failed to parse log level range %s", optarg); | |
545 | return -EINVAL; | |
546 | } | |
547 | ||
548 | arg_priorities = 0; | |
549 | ||
550 | if (from < to) { | |
551 | for (i = from; i <= to; i++) | |
552 | arg_priorities |= 1 << i; | |
553 | } else { | |
554 | for (i = to; i <= from; i++) | |
555 | arg_priorities |= 1 << i; | |
556 | } | |
557 | ||
558 | } else { | |
559 | int p, i; | |
560 | ||
561 | p = log_level_from_string(optarg); | |
562 | if (p < 0) { | |
563 | log_error("Unknown log level %s", optarg); | |
564 | return -EINVAL; | |
565 | } | |
566 | ||
567 | arg_priorities = 0; | |
568 | ||
569 | for (i = 0; i <= p; i++) | |
570 | arg_priorities |= 1 << i; | |
571 | } | |
572 | ||
573 | break; | |
574 | } | |
575 | ||
576 | case ARG_SINCE: | |
577 | r = parse_timestamp(optarg, &arg_since); | |
578 | if (r < 0) { | |
579 | log_error("Failed to parse timestamp: %s", optarg); | |
580 | return -EINVAL; | |
581 | } | |
582 | arg_since_set = true; | |
583 | break; | |
584 | ||
585 | case ARG_UNTIL: | |
586 | r = parse_timestamp(optarg, &arg_until); | |
587 | if (r < 0) { | |
588 | log_error("Failed to parse timestamp: %s", optarg); | |
589 | return -EINVAL; | |
590 | } | |
591 | arg_until_set = true; | |
592 | break; | |
593 | ||
594 | case 'u': | |
595 | r = strv_extend(&arg_system_units, optarg); | |
596 | if (r < 0) | |
597 | return log_oom(); | |
598 | break; | |
599 | ||
600 | case ARG_USER_UNIT: | |
601 | r = strv_extend(&arg_user_units, optarg); | |
602 | if (r < 0) | |
603 | return log_oom(); | |
604 | break; | |
605 | ||
663996b3 MS |
606 | case 'F': |
607 | arg_field = optarg; | |
608 | break; | |
609 | ||
610 | case 'x': | |
611 | arg_catalog = true; | |
612 | break; | |
613 | ||
614 | case ARG_LIST_CATALOG: | |
615 | arg_action = ACTION_LIST_CATALOG; | |
616 | break; | |
617 | ||
618 | case ARG_DUMP_CATALOG: | |
619 | arg_action = ACTION_DUMP_CATALOG; | |
620 | break; | |
621 | ||
622 | case ARG_UPDATE_CATALOG: | |
623 | arg_action = ACTION_UPDATE_CATALOG; | |
624 | break; | |
625 | ||
626 | case 'r': | |
627 | arg_reverse = true; | |
628 | break; | |
629 | ||
60f067b4 | 630 | case '?': |
663996b3 | 631 | return -EINVAL; |
60f067b4 JS |
632 | |
633 | default: | |
634 | assert_not_reached("Unhandled option"); | |
663996b3 MS |
635 | } |
636 | } | |
637 | ||
638 | if (arg_follow && !arg_no_tail && arg_lines < 0) | |
639 | arg_lines = 10; | |
640 | ||
60f067b4 JS |
641 | if (!!arg_directory + !!arg_file + !!arg_machine > 1) { |
642 | log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one."); | |
14228c0d MB |
643 | return -EINVAL; |
644 | } | |
645 | ||
663996b3 MS |
646 | if (arg_since_set && arg_until_set && arg_since > arg_until) { |
647 | log_error("--since= must be before --until=."); | |
648 | return -EINVAL; | |
649 | } | |
650 | ||
14228c0d MB |
651 | if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) { |
652 | log_error("Please specify only one of --since=, --cursor=, and --after-cursor."); | |
663996b3 MS |
653 | return -EINVAL; |
654 | } | |
655 | ||
656 | if (arg_follow && arg_reverse) { | |
657 | log_error("Please specify either --reverse= or --follow=, not both."); | |
658 | return -EINVAL; | |
659 | } | |
660 | ||
60f067b4 JS |
661 | if (arg_action != ACTION_SHOW && optind < argc) { |
662 | log_error("Extraneous arguments starting with '%s'", argv[optind]); | |
663 | return -EINVAL; | |
664 | } | |
665 | ||
663996b3 MS |
666 | return 1; |
667 | } | |
668 | ||
669 | static int generate_new_id128(void) { | |
670 | sd_id128_t id; | |
671 | int r; | |
672 | unsigned i; | |
673 | ||
674 | r = sd_id128_randomize(&id); | |
675 | if (r < 0) { | |
676 | log_error("Failed to generate ID: %s", strerror(-r)); | |
677 | return r; | |
678 | } | |
679 | ||
680 | printf("As string:\n" | |
681 | SD_ID128_FORMAT_STR "\n\n" | |
682 | "As UUID:\n" | |
683 | "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n" | |
684 | "As macro:\n" | |
685 | "#define MESSAGE_XYZ SD_ID128_MAKE(", | |
686 | SD_ID128_FORMAT_VAL(id), | |
687 | SD_ID128_FORMAT_VAL(id)); | |
688 | for (i = 0; i < 16; i++) | |
689 | printf("%02x%s", id.bytes[i], i != 15 ? "," : ""); | |
690 | fputs(")\n\n", stdout); | |
691 | ||
692 | printf("As Python constant:\n" | |
693 | ">>> import uuid\n" | |
694 | ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n", | |
695 | SD_ID128_FORMAT_VAL(id)); | |
696 | ||
697 | return 0; | |
698 | } | |
699 | ||
700 | static int add_matches(sd_journal *j, char **args) { | |
701 | char **i; | |
702 | ||
703 | assert(j); | |
704 | ||
705 | STRV_FOREACH(i, args) { | |
706 | int r; | |
707 | ||
708 | if (streq(*i, "+")) | |
709 | r = sd_journal_add_disjunction(j); | |
710 | else if (path_is_absolute(*i)) { | |
14228c0d | 711 | _cleanup_free_ char *p, *t = NULL, *t2 = NULL; |
663996b3 | 712 | const char *path; |
14228c0d | 713 | _cleanup_free_ char *interpreter = NULL; |
663996b3 MS |
714 | struct stat st; |
715 | ||
716 | p = canonicalize_file_name(*i); | |
717 | path = p ? p : *i; | |
718 | ||
719 | if (stat(path, &st) < 0) { | |
720 | log_error("Couldn't stat file: %m"); | |
721 | return -errno; | |
722 | } | |
723 | ||
14228c0d MB |
724 | if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) { |
725 | if (executable_is_script(path, &interpreter) > 0) { | |
726 | _cleanup_free_ char *comm; | |
727 | ||
60f067b4 | 728 | comm = strndup(basename(path), 15); |
14228c0d MB |
729 | if (!comm) |
730 | return log_oom(); | |
731 | ||
732 | t = strappend("_COMM=", comm); | |
733 | ||
734 | /* Append _EXE only if the interpreter is not a link. | |
60f067b4 | 735 | Otherwise, it might be outdated often. */ |
14228c0d MB |
736 | if (lstat(interpreter, &st) == 0 && |
737 | !S_ISLNK(st.st_mode)) { | |
738 | t2 = strappend("_EXE=", interpreter); | |
739 | if (!t2) | |
740 | return log_oom(); | |
741 | } | |
742 | } else | |
743 | t = strappend("_EXE=", path); | |
744 | } else if (S_ISCHR(st.st_mode)) | |
663996b3 MS |
745 | asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev)); |
746 | else if (S_ISBLK(st.st_mode)) | |
747 | asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev)); | |
748 | else { | |
749 | log_error("File is neither a device node, nor regular file, nor executable: %s", *i); | |
750 | return -EINVAL; | |
751 | } | |
752 | ||
753 | if (!t) | |
754 | return log_oom(); | |
755 | ||
756 | r = sd_journal_add_match(j, t, 0); | |
14228c0d MB |
757 | if (t2) |
758 | r = sd_journal_add_match(j, t2, 0); | |
663996b3 MS |
759 | } else |
760 | r = sd_journal_add_match(j, *i, 0); | |
761 | ||
762 | if (r < 0) { | |
763 | log_error("Failed to add match '%s': %s", *i, strerror(-r)); | |
764 | return r; | |
765 | } | |
766 | } | |
767 | ||
768 | return 0; | |
769 | } | |
770 | ||
14228c0d MB |
771 | static int boot_id_cmp(const void *a, const void *b) { |
772 | uint64_t _a, _b; | |
773 | ||
60f067b4 JS |
774 | _a = ((const boot_id_t *)a)->first; |
775 | _b = ((const boot_id_t *)b)->first; | |
14228c0d MB |
776 | |
777 | return _a < _b ? -1 : (_a > _b ? 1 : 0); | |
778 | } | |
779 | ||
60f067b4 JS |
780 | static int list_boots(sd_journal *j) { |
781 | int r; | |
782 | const void *data; | |
783 | unsigned int count = 0; | |
784 | int w, i; | |
785 | size_t length, allocated = 0; | |
786 | boot_id_t *id; | |
787 | _cleanup_free_ boot_id_t *all_ids = NULL; | |
788 | ||
789 | r = sd_journal_query_unique(j, "_BOOT_ID"); | |
790 | if (r < 0) | |
791 | return r; | |
792 | ||
793 | SD_JOURNAL_FOREACH_UNIQUE(j, data, length) { | |
794 | if (length < strlen("_BOOT_ID=")) | |
795 | continue; | |
796 | ||
797 | if (!GREEDY_REALLOC(all_ids, allocated, count + 1)) | |
798 | return log_oom(); | |
799 | ||
800 | id = &all_ids[count]; | |
801 | ||
802 | r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id); | |
803 | if (r < 0) | |
804 | continue; | |
805 | ||
806 | r = sd_journal_add_match(j, data, length); | |
807 | if (r < 0) | |
808 | return r; | |
809 | ||
810 | r = sd_journal_seek_head(j); | |
811 | if (r < 0) | |
812 | return r; | |
813 | ||
814 | r = sd_journal_next(j); | |
815 | if (r < 0) | |
816 | return r; | |
817 | else if (r == 0) | |
818 | goto flush; | |
819 | ||
820 | r = sd_journal_get_realtime_usec(j, &id->first); | |
821 | if (r < 0) | |
822 | return r; | |
823 | ||
824 | r = sd_journal_seek_tail(j); | |
825 | if (r < 0) | |
826 | return r; | |
827 | ||
828 | r = sd_journal_previous(j); | |
829 | if (r < 0) | |
830 | return r; | |
831 | else if (r == 0) | |
832 | goto flush; | |
833 | ||
834 | r = sd_journal_get_realtime_usec(j, &id->last); | |
835 | if (r < 0) | |
836 | return r; | |
837 | ||
838 | count++; | |
839 | flush: | |
840 | sd_journal_flush_matches(j); | |
841 | } | |
842 | ||
843 | qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp); | |
844 | ||
845 | /* numbers are one less, but we need an extra char for the sign */ | |
846 | w = DECIMAL_STR_WIDTH(count - 1) + 1; | |
847 | ||
848 | for (id = all_ids, i = 0; id < all_ids + count; id++, i++) { | |
849 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX]; | |
850 | ||
851 | printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n", | |
852 | w, i - count + 1, | |
853 | SD_ID128_FORMAT_VAL(id->id), | |
854 | format_timestamp(a, sizeof(a), id->first), | |
855 | format_timestamp(b, sizeof(b), id->last)); | |
856 | } | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
14228c0d | 861 | static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) { |
663996b3 | 862 | int r; |
14228c0d MB |
863 | const void *data; |
864 | unsigned int count = 0; | |
865 | size_t length, allocated = 0; | |
866 | boot_id_t ref_boot_id = {SD_ID128_NULL}, *id; | |
867 | _cleanup_free_ boot_id_t *all_ids = NULL; | |
868 | ||
869 | assert(j); | |
870 | assert(boot_id); | |
871 | ||
14228c0d MB |
872 | r = sd_journal_query_unique(j, "_BOOT_ID"); |
873 | if (r < 0) | |
874 | return r; | |
875 | ||
876 | SD_JOURNAL_FOREACH_UNIQUE(j, data, length) { | |
877 | if (length < strlen("_BOOT_ID=")) | |
878 | continue; | |
879 | ||
880 | if (!GREEDY_REALLOC(all_ids, allocated, count + 1)) | |
881 | return log_oom(); | |
882 | ||
883 | id = &all_ids[count]; | |
884 | ||
885 | r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id); | |
886 | if (r < 0) | |
887 | continue; | |
888 | ||
889 | r = sd_journal_add_match(j, data, length); | |
890 | if (r < 0) | |
891 | return r; | |
892 | ||
893 | r = sd_journal_seek_head(j); | |
894 | if (r < 0) | |
895 | return r; | |
896 | ||
897 | r = sd_journal_next(j); | |
898 | if (r < 0) | |
899 | return r; | |
900 | else if (r == 0) | |
901 | goto flush; | |
902 | ||
60f067b4 | 903 | r = sd_journal_get_realtime_usec(j, &id->first); |
14228c0d MB |
904 | if (r < 0) |
905 | return r; | |
906 | ||
907 | if (sd_id128_equal(id->id, *boot_id)) | |
908 | ref_boot_id = *id; | |
909 | ||
910 | count++; | |
911 | flush: | |
912 | sd_journal_flush_matches(j); | |
913 | } | |
914 | ||
60f067b4 | 915 | qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp); |
14228c0d MB |
916 | |
917 | if (sd_id128_equal(*boot_id, SD_ID128_NULL)) { | |
918 | if (relative > (int) count || relative <= -(int)count) | |
919 | return -EADDRNOTAVAIL; | |
920 | ||
921 | *boot_id = all_ids[(relative <= 0)*count + relative - 1].id; | |
922 | } else { | |
923 | id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp); | |
924 | ||
925 | if (!id || | |
926 | relative <= 0 ? (id - all_ids) + relative < 0 : | |
927 | (id - all_ids) + relative >= (int) count) | |
928 | return -EADDRNOTAVAIL; | |
929 | ||
930 | *boot_id = (id + relative)->id; | |
931 | } | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | static int add_boot(sd_journal *j) { | |
937 | char match[9+32+1] = "_BOOT_ID="; | |
60f067b4 | 938 | int r; |
663996b3 MS |
939 | |
940 | assert(j); | |
941 | ||
14228c0d | 942 | if (!arg_boot) |
663996b3 MS |
943 | return 0; |
944 | ||
60f067b4 JS |
945 | if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL)) |
946 | return add_match_this_boot(j, arg_machine); | |
14228c0d | 947 | |
60f067b4 | 948 | r = get_relative_boot_id(j, &arg_boot_id, arg_boot_offset); |
663996b3 | 949 | if (r < 0) { |
60f067b4 JS |
950 | if (sd_id128_equal(arg_boot_id, SD_ID128_NULL)) |
951 | log_error("Failed to look up boot %+i: %s", arg_boot_offset, strerror(-r)); | |
14228c0d | 952 | else |
60f067b4 JS |
953 | log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s", |
954 | SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, strerror(-r)); | |
663996b3 MS |
955 | return r; |
956 | } | |
957 | ||
60f067b4 | 958 | sd_id128_to_string(arg_boot_id, match + 9); |
14228c0d MB |
959 | |
960 | r = sd_journal_add_match(j, match, sizeof(match) - 1); | |
961 | if (r < 0) { | |
962 | log_error("Failed to add match: %s", strerror(-r)); | |
963 | return r; | |
964 | } | |
965 | ||
966 | r = sd_journal_add_conjunction(j); | |
967 | if (r < 0) | |
968 | return r; | |
969 | ||
970 | return 0; | |
971 | } | |
972 | ||
973 | static int add_dmesg(sd_journal *j) { | |
974 | int r; | |
975 | assert(j); | |
976 | ||
977 | if (!arg_dmesg) | |
978 | return 0; | |
979 | ||
980 | r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel")); | |
663996b3 MS |
981 | if (r < 0) { |
982 | log_error("Failed to add match: %s", strerror(-r)); | |
983 | return r; | |
984 | } | |
985 | ||
986 | r = sd_journal_add_conjunction(j); | |
987 | if (r < 0) | |
988 | return r; | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
60f067b4 JS |
993 | static int get_possible_units(sd_journal *j, |
994 | const char *fields, | |
995 | char **patterns, | |
996 | Set **units) { | |
997 | _cleanup_set_free_free_ Set *found; | |
998 | const char *field; | |
663996b3 | 999 | int r; |
60f067b4 JS |
1000 | |
1001 | found = set_new(string_hash_func, string_compare_func); | |
1002 | if (!found) | |
1003 | return log_oom(); | |
1004 | ||
1005 | NULSTR_FOREACH(field, fields) { | |
1006 | const void *data; | |
1007 | size_t size; | |
1008 | ||
1009 | r = sd_journal_query_unique(j, field); | |
1010 | if (r < 0) | |
1011 | return r; | |
1012 | ||
1013 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1014 | char **pattern, *eq; | |
1015 | size_t prefix; | |
1016 | _cleanup_free_ char *u = NULL; | |
1017 | ||
1018 | eq = memchr(data, '=', size); | |
1019 | if (eq) | |
1020 | prefix = eq - (char*) data + 1; | |
1021 | else | |
1022 | prefix = 0; | |
1023 | ||
1024 | u = strndup((char*) data + prefix, size - prefix); | |
1025 | if (!u) | |
1026 | return log_oom(); | |
1027 | ||
1028 | STRV_FOREACH(pattern, patterns) | |
1029 | if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) { | |
1030 | log_debug("Matched %s with pattern %s=%s", u, field, *pattern); | |
1031 | ||
1032 | r = set_consume(found, u); | |
1033 | u = NULL; | |
1034 | if (r < 0 && r != -EEXIST) | |
1035 | return r; | |
1036 | ||
1037 | break; | |
1038 | } | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | *units = found; | |
1043 | found = NULL; | |
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | /* This list is supposed to return the superset of unit names | |
1048 | * possibly matched by rules added with add_matches_for_unit... */ | |
1049 | #define SYSTEM_UNITS \ | |
1050 | "_SYSTEMD_UNIT\0" \ | |
1051 | "COREDUMP_UNIT\0" \ | |
1052 | "UNIT\0" \ | |
1053 | "OBJECT_SYSTEMD_UNIT\0" \ | |
1054 | "_SYSTEMD_SLICE\0" | |
1055 | ||
1056 | /* ... and add_matches_for_user_unit */ | |
1057 | #define USER_UNITS \ | |
1058 | "_SYSTEMD_USER_UNIT\0" \ | |
1059 | "USER_UNIT\0" \ | |
1060 | "COREDUMP_USER_UNIT\0" \ | |
1061 | "OBJECT_SYSTEMD_USER_UNIT\0" | |
1062 | ||
1063 | static int add_units(sd_journal *j) { | |
1064 | _cleanup_strv_free_ char **patterns = NULL; | |
1065 | int r, count = 0; | |
663996b3 MS |
1066 | char **i; |
1067 | ||
1068 | assert(j); | |
1069 | ||
1070 | STRV_FOREACH(i, arg_system_units) { | |
60f067b4 JS |
1071 | _cleanup_free_ char *u = NULL; |
1072 | ||
1073 | u = unit_name_mangle(*i, MANGLE_GLOB); | |
663996b3 MS |
1074 | if (!u) |
1075 | return log_oom(); | |
60f067b4 JS |
1076 | |
1077 | if (string_is_glob(u)) { | |
1078 | r = strv_push(&patterns, u); | |
1079 | if (r < 0) | |
1080 | return r; | |
1081 | u = NULL; | |
1082 | } else { | |
1083 | r = add_matches_for_unit(j, u); | |
1084 | if (r < 0) | |
1085 | return r; | |
1086 | r = sd_journal_add_disjunction(j); | |
1087 | if (r < 0) | |
1088 | return r; | |
1089 | count ++; | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | if (!strv_isempty(patterns)) { | |
1094 | _cleanup_set_free_free_ Set *units = NULL; | |
1095 | Iterator it; | |
1096 | char *u; | |
1097 | ||
1098 | r = get_possible_units(j, SYSTEM_UNITS, patterns, &units); | |
663996b3 MS |
1099 | if (r < 0) |
1100 | return r; | |
60f067b4 JS |
1101 | |
1102 | SET_FOREACH(u, units, it) { | |
1103 | r = add_matches_for_unit(j, u); | |
1104 | if (r < 0) | |
1105 | return r; | |
1106 | r = sd_journal_add_disjunction(j); | |
1107 | if (r < 0) | |
1108 | return r; | |
1109 | count ++; | |
1110 | } | |
663996b3 MS |
1111 | } |
1112 | ||
60f067b4 JS |
1113 | strv_free(patterns); |
1114 | patterns = NULL; | |
1115 | ||
663996b3 | 1116 | STRV_FOREACH(i, arg_user_units) { |
60f067b4 JS |
1117 | _cleanup_free_ char *u = NULL; |
1118 | ||
1119 | u = unit_name_mangle(*i, MANGLE_GLOB); | |
663996b3 MS |
1120 | if (!u) |
1121 | return log_oom(); | |
1122 | ||
60f067b4 JS |
1123 | if (string_is_glob(u)) { |
1124 | r = strv_push(&patterns, u); | |
1125 | if (r < 0) | |
1126 | return r; | |
1127 | u = NULL; | |
1128 | } else { | |
1129 | r = add_matches_for_user_unit(j, u, getuid()); | |
1130 | if (r < 0) | |
1131 | return r; | |
1132 | r = sd_journal_add_disjunction(j); | |
1133 | if (r < 0) | |
1134 | return r; | |
1135 | count ++; | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | if (!strv_isempty(patterns)) { | |
1140 | _cleanup_set_free_free_ Set *units = NULL; | |
1141 | Iterator it; | |
1142 | char *u; | |
663996b3 | 1143 | |
60f067b4 | 1144 | r = get_possible_units(j, USER_UNITS, patterns, &units); |
663996b3 MS |
1145 | if (r < 0) |
1146 | return r; | |
1147 | ||
60f067b4 JS |
1148 | SET_FOREACH(u, units, it) { |
1149 | r = add_matches_for_user_unit(j, u, getuid()); | |
1150 | if (r < 0) | |
1151 | return r; | |
1152 | r = sd_journal_add_disjunction(j); | |
1153 | if (r < 0) | |
1154 | return r; | |
1155 | count ++; | |
1156 | } | |
663996b3 MS |
1157 | } |
1158 | ||
60f067b4 JS |
1159 | /* Complain if the user request matches but nothing whatsoever was |
1160 | * found, since otherwise everything would be matched. */ | |
1161 | if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0) | |
1162 | return -ENODATA; | |
1163 | ||
663996b3 MS |
1164 | r = sd_journal_add_conjunction(j); |
1165 | if (r < 0) | |
1166 | return r; | |
1167 | ||
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | static int add_priorities(sd_journal *j) { | |
1172 | char match[] = "PRIORITY=0"; | |
1173 | int i, r; | |
1174 | assert(j); | |
1175 | ||
1176 | if (arg_priorities == 0xFF) | |
1177 | return 0; | |
1178 | ||
1179 | for (i = LOG_EMERG; i <= LOG_DEBUG; i++) | |
1180 | if (arg_priorities & (1 << i)) { | |
1181 | match[sizeof(match)-2] = '0' + i; | |
1182 | ||
1183 | r = sd_journal_add_match(j, match, strlen(match)); | |
1184 | if (r < 0) { | |
1185 | log_error("Failed to add match: %s", strerror(-r)); | |
1186 | return r; | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | r = sd_journal_add_conjunction(j); | |
1191 | if (r < 0) | |
1192 | return r; | |
1193 | ||
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | static int setup_keys(void) { | |
1198 | #ifdef HAVE_GCRYPT | |
1199 | size_t mpk_size, seed_size, state_size, i; | |
1200 | uint8_t *mpk, *seed, *state; | |
1201 | ssize_t l; | |
1202 | int fd = -1, r, attr = 0; | |
1203 | sd_id128_t machine, boot; | |
1204 | char *p = NULL, *k = NULL; | |
1205 | struct FSSHeader h; | |
1206 | uint64_t n; | |
14228c0d MB |
1207 | struct stat st; |
1208 | ||
1209 | r = stat("/var/log/journal", &st); | |
1210 | if (r < 0 && errno != ENOENT && errno != ENOTDIR) { | |
1211 | log_error("stat(\"%s\") failed: %m", "/var/log/journal"); | |
1212 | return -errno; | |
1213 | } | |
1214 | ||
1215 | if (r < 0 || !S_ISDIR(st.st_mode)) { | |
1216 | log_error("%s is not a directory, must be using persistent logging for FSS.", | |
1217 | "/var/log/journal"); | |
1218 | return r < 0 ? -errno : -ENOTDIR; | |
1219 | } | |
663996b3 MS |
1220 | |
1221 | r = sd_id128_get_machine(&machine); | |
1222 | if (r < 0) { | |
1223 | log_error("Failed to get machine ID: %s", strerror(-r)); | |
1224 | return r; | |
1225 | } | |
1226 | ||
1227 | r = sd_id128_get_boot(&boot); | |
1228 | if (r < 0) { | |
1229 | log_error("Failed to get boot ID: %s", strerror(-r)); | |
1230 | return r; | |
1231 | } | |
1232 | ||
1233 | if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss", | |
1234 | SD_ID128_FORMAT_VAL(machine)) < 0) | |
1235 | return log_oom(); | |
1236 | ||
1237 | if (access(p, F_OK) >= 0) { | |
14228c0d MB |
1238 | if (arg_force) { |
1239 | r = unlink(p); | |
1240 | if (r < 0) { | |
1241 | log_error("unlink(\"%s\") failed: %m", p); | |
1242 | r = -errno; | |
1243 | goto finish; | |
1244 | } | |
1245 | } else { | |
1246 | log_error("Sealing key file %s exists already. (--force to recreate)", p); | |
1247 | r = -EEXIST; | |
1248 | goto finish; | |
1249 | } | |
663996b3 MS |
1250 | } |
1251 | ||
1252 | if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX", | |
1253 | SD_ID128_FORMAT_VAL(machine)) < 0) { | |
1254 | r = log_oom(); | |
1255 | goto finish; | |
1256 | } | |
1257 | ||
1258 | mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1259 | mpk = alloca(mpk_size); | |
1260 | ||
1261 | seed_size = FSPRG_RECOMMENDED_SEEDLEN; | |
1262 | seed = alloca(seed_size); | |
1263 | ||
1264 | state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR); | |
1265 | state = alloca(state_size); | |
1266 | ||
1267 | fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1268 | if (fd < 0) { | |
1269 | log_error("Failed to open /dev/random: %m"); | |
1270 | r = -errno; | |
1271 | goto finish; | |
1272 | } | |
1273 | ||
1274 | log_info("Generating seed..."); | |
1275 | l = loop_read(fd, seed, seed_size, true); | |
1276 | if (l < 0 || (size_t) l != seed_size) { | |
1277 | log_error("Failed to read random seed: %s", strerror(EIO)); | |
1278 | r = -EIO; | |
1279 | goto finish; | |
1280 | } | |
1281 | ||
1282 | log_info("Generating key pair..."); | |
1283 | FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR); | |
1284 | ||
1285 | log_info("Generating sealing key..."); | |
1286 | FSPRG_GenState0(state, mpk, seed, seed_size); | |
1287 | ||
1288 | assert(arg_interval > 0); | |
1289 | ||
1290 | n = now(CLOCK_REALTIME); | |
1291 | n /= arg_interval; | |
1292 | ||
60f067b4 JS |
1293 | safe_close(fd); |
1294 | fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC); | |
663996b3 MS |
1295 | if (fd < 0) { |
1296 | log_error("Failed to open %s: %m", k); | |
1297 | r = -errno; | |
1298 | goto finish; | |
1299 | } | |
1300 | ||
1301 | /* Enable secure remove, exclusion from dump, synchronous | |
1302 | * writing and in-place updating */ | |
1303 | if (ioctl(fd, FS_IOC_GETFLAGS, &attr) < 0) | |
1304 | log_warning("FS_IOC_GETFLAGS failed: %m"); | |
1305 | ||
1306 | attr |= FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL; | |
1307 | ||
1308 | if (ioctl(fd, FS_IOC_SETFLAGS, &attr) < 0) | |
1309 | log_warning("FS_IOC_SETFLAGS failed: %m"); | |
1310 | ||
1311 | zero(h); | |
1312 | memcpy(h.signature, "KSHHRHLP", 8); | |
1313 | h.machine_id = machine; | |
1314 | h.boot_id = boot; | |
1315 | h.header_size = htole64(sizeof(h)); | |
1316 | h.start_usec = htole64(n * arg_interval); | |
1317 | h.interval_usec = htole64(arg_interval); | |
1318 | h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR); | |
1319 | h.fsprg_state_size = htole64(state_size); | |
1320 | ||
1321 | l = loop_write(fd, &h, sizeof(h), false); | |
1322 | if (l < 0 || (size_t) l != sizeof(h)) { | |
1323 | log_error("Failed to write header: %s", strerror(EIO)); | |
1324 | r = -EIO; | |
1325 | goto finish; | |
1326 | } | |
1327 | ||
1328 | l = loop_write(fd, state, state_size, false); | |
1329 | if (l < 0 || (size_t) l != state_size) { | |
1330 | log_error("Failed to write state: %s", strerror(EIO)); | |
1331 | r = -EIO; | |
1332 | goto finish; | |
1333 | } | |
1334 | ||
1335 | if (link(k, p) < 0) { | |
1336 | log_error("Failed to link file: %m"); | |
1337 | r = -errno; | |
1338 | goto finish; | |
1339 | } | |
1340 | ||
1341 | if (on_tty()) { | |
1342 | fprintf(stderr, | |
1343 | "\n" | |
1344 | "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n" | |
1345 | "the following local file. This key file is automatically updated when the\n" | |
1346 | "sealing key is advanced. It should not be used on multiple hosts.\n" | |
1347 | "\n" | |
1348 | "\t%s\n" | |
1349 | "\n" | |
1350 | "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n" | |
1351 | "at a safe location and should not be saved locally on disk.\n" | |
1352 | "\n\t" ANSI_HIGHLIGHT_RED_ON, p); | |
1353 | fflush(stderr); | |
1354 | } | |
1355 | for (i = 0; i < seed_size; i++) { | |
1356 | if (i > 0 && i % 3 == 0) | |
1357 | putchar('-'); | |
1358 | printf("%02x", ((uint8_t*) seed)[i]); | |
1359 | } | |
1360 | ||
1361 | printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval); | |
1362 | ||
1363 | if (on_tty()) { | |
1364 | char tsb[FORMAT_TIMESPAN_MAX], *hn; | |
1365 | ||
1366 | fprintf(stderr, | |
1367 | ANSI_HIGHLIGHT_OFF "\n" | |
1368 | "The sealing key is automatically changed every %s.\n", | |
1369 | format_timespan(tsb, sizeof(tsb), arg_interval, 0)); | |
1370 | ||
1371 | hn = gethostname_malloc(); | |
1372 | ||
1373 | if (hn) { | |
1374 | hostname_cleanup(hn, false); | |
1375 | fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine)); | |
1376 | } else | |
1377 | fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine)); | |
1378 | ||
1379 | #ifdef HAVE_QRENCODE | |
1380 | /* If this is not an UTF-8 system don't print any QR codes */ | |
1381 | if (is_locale_utf8()) { | |
1382 | fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr); | |
1383 | print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine); | |
1384 | } | |
1385 | #endif | |
1386 | free(hn); | |
1387 | } | |
1388 | ||
1389 | r = 0; | |
1390 | ||
1391 | finish: | |
60f067b4 | 1392 | safe_close(fd); |
663996b3 MS |
1393 | |
1394 | if (k) { | |
1395 | unlink(k); | |
1396 | free(k); | |
1397 | } | |
1398 | ||
1399 | free(p); | |
1400 | ||
1401 | return r; | |
1402 | #else | |
1403 | log_error("Forward-secure sealing not available."); | |
1404 | return -ENOTSUP; | |
1405 | #endif | |
1406 | } | |
1407 | ||
1408 | static int verify(sd_journal *j) { | |
1409 | int r = 0; | |
1410 | Iterator i; | |
1411 | JournalFile *f; | |
1412 | ||
1413 | assert(j); | |
1414 | ||
1415 | log_show_color(true); | |
1416 | ||
1417 | HASHMAP_FOREACH(f, j->files, i) { | |
1418 | int k; | |
1419 | usec_t first, validated, last; | |
1420 | ||
1421 | #ifdef HAVE_GCRYPT | |
1422 | if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) | |
1423 | log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path); | |
1424 | #endif | |
1425 | ||
1426 | k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true); | |
1427 | if (k == -EINVAL) { | |
1428 | /* If the key was invalid give up right-away. */ | |
1429 | return k; | |
1430 | } else if (k < 0) { | |
1431 | log_warning("FAIL: %s (%s)", f->path, strerror(-k)); | |
1432 | r = k; | |
1433 | } else { | |
1434 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX]; | |
1435 | log_info("PASS: %s", f->path); | |
1436 | ||
1437 | if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) { | |
1438 | if (validated > 0) { | |
1439 | log_info("=> Validated from %s to %s, final %s entries not sealed.", | |
1440 | format_timestamp(a, sizeof(a), first), | |
1441 | format_timestamp(b, sizeof(b), validated), | |
1442 | format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0)); | |
1443 | } else if (last > 0) | |
1444 | log_info("=> No sealing yet, %s of entries not sealed.", | |
1445 | format_timespan(c, sizeof(c), last - first, 0)); | |
1446 | else | |
1447 | log_info("=> No sealing yet, no entries in file."); | |
1448 | } | |
1449 | } | |
1450 | } | |
1451 | ||
1452 | return r; | |
1453 | } | |
1454 | ||
1455 | #ifdef HAVE_ACL | |
1456 | static int access_check_var_log_journal(sd_journal *j) { | |
1457 | _cleanup_strv_free_ char **g = NULL; | |
1458 | bool have_access; | |
1459 | int r; | |
1460 | ||
1461 | assert(j); | |
1462 | ||
1463 | have_access = in_group("systemd-journal") > 0; | |
1464 | ||
1465 | if (!have_access) { | |
1466 | /* Let's enumerate all groups from the default ACL of | |
1467 | * the directory, which generally should allow access | |
1468 | * to most journal files too */ | |
1469 | r = search_acl_groups(&g, "/var/log/journal/", &have_access); | |
1470 | if (r < 0) | |
1471 | return r; | |
1472 | } | |
1473 | ||
1474 | if (!have_access) { | |
1475 | ||
1476 | if (strv_isempty(g)) | |
1477 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" | |
1478 | " Users in the 'systemd-journal' group can see all messages. Pass -q to\n" | |
1479 | " turn off this notice."); | |
1480 | else { | |
1481 | _cleanup_free_ char *s = NULL; | |
1482 | ||
1483 | r = strv_extend(&g, "systemd-journal"); | |
1484 | if (r < 0) | |
1485 | return log_oom(); | |
1486 | ||
1487 | strv_sort(g); | |
1488 | strv_uniq(g); | |
1489 | ||
1490 | s = strv_join(g, "', '"); | |
1491 | if (!s) | |
1492 | return log_oom(); | |
1493 | ||
1494 | log_notice("Hint: You are currently not seeing messages from other users and the system.\n" | |
1495 | " Users in the groups '%s' can see all messages.\n" | |
1496 | " Pass -q to turn off this notice.", s); | |
1497 | } | |
1498 | } | |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | #endif | |
1503 | ||
1504 | static int access_check(sd_journal *j) { | |
1505 | Iterator it; | |
1506 | void *code; | |
1507 | int r = 0; | |
1508 | ||
1509 | assert(j); | |
1510 | ||
1511 | if (set_isempty(j->errors)) { | |
1512 | if (hashmap_isempty(j->files)) | |
1513 | log_notice("No journal files were found."); | |
1514 | return 0; | |
1515 | } | |
1516 | ||
1517 | if (set_contains(j->errors, INT_TO_PTR(-EACCES))) { | |
1518 | #ifdef HAVE_ACL | |
1519 | /* If /var/log/journal doesn't even exist, | |
1520 | * unprivileged users have no access at all */ | |
1521 | if (access("/var/log/journal", F_OK) < 0 && | |
1522 | geteuid() != 0 && | |
1523 | in_group("systemd-journal") <= 0) { | |
1524 | log_error("Unprivileged users cannot access messages, unless persistent log storage is\n" | |
1525 | "enabled. Users in the 'systemd-journal' group may always access messages."); | |
1526 | return -EACCES; | |
1527 | } | |
1528 | ||
1529 | /* If /var/log/journal exists, try to pring a nice | |
1530 | notice if the user lacks access to it */ | |
1531 | if (!arg_quiet && geteuid() != 0) { | |
1532 | r = access_check_var_log_journal(j); | |
1533 | if (r < 0) | |
1534 | return r; | |
1535 | } | |
1536 | #else | |
1537 | if (geteuid() != 0 && in_group("systemd-journal") <= 0) { | |
1538 | log_error("Unprivileged users cannot access messages. Users in the 'systemd-journal' group\n" | |
1539 | "group may access messages."); | |
1540 | return -EACCES; | |
1541 | } | |
1542 | #endif | |
1543 | ||
1544 | if (hashmap_isempty(j->files)) { | |
1545 | log_error("No journal files were opened due to insufficient permissions."); | |
1546 | r = -EACCES; | |
1547 | } | |
1548 | } | |
1549 | ||
1550 | SET_FOREACH(code, j->errors, it) { | |
1551 | int err; | |
1552 | ||
1553 | err = -PTR_TO_INT(code); | |
1554 | assert(err > 0); | |
1555 | ||
1556 | if (err != EACCES) | |
1557 | log_warning("Error was encountered while opening journal files: %s", | |
1558 | strerror(err)); | |
1559 | } | |
1560 | ||
1561 | return r; | |
1562 | } | |
1563 | ||
1564 | int main(int argc, char *argv[]) { | |
1565 | int r; | |
14228c0d | 1566 | _cleanup_journal_close_ sd_journal *j = NULL; |
663996b3 MS |
1567 | bool need_seek = false; |
1568 | sd_id128_t previous_boot_id; | |
1569 | bool previous_boot_id_valid = false, first_line = true; | |
1570 | int n_shown = 0; | |
14228c0d | 1571 | bool ellipsized = false; |
663996b3 MS |
1572 | |
1573 | setlocale(LC_ALL, ""); | |
1574 | log_parse_environment(); | |
1575 | log_open(); | |
1576 | ||
1577 | r = parse_argv(argc, argv); | |
1578 | if (r <= 0) | |
1579 | goto finish; | |
1580 | ||
1581 | signal(SIGWINCH, columns_lines_cache_reset); | |
1582 | ||
1583 | if (arg_action == ACTION_NEW_ID128) { | |
1584 | r = generate_new_id128(); | |
1585 | goto finish; | |
1586 | } | |
1587 | ||
1588 | if (arg_action == ACTION_SETUP_KEYS) { | |
1589 | r = setup_keys(); | |
1590 | goto finish; | |
1591 | } | |
1592 | ||
1593 | if (arg_action == ACTION_UPDATE_CATALOG || | |
1594 | arg_action == ACTION_LIST_CATALOG || | |
1595 | arg_action == ACTION_DUMP_CATALOG) { | |
1596 | ||
1597 | const char* database = CATALOG_DATABASE; | |
1598 | _cleanup_free_ char *copy = NULL; | |
1599 | if (arg_root) { | |
1600 | copy = strjoin(arg_root, "/", CATALOG_DATABASE, NULL); | |
1601 | if (!copy) { | |
1602 | r = log_oom(); | |
1603 | goto finish; | |
1604 | } | |
1605 | path_kill_slashes(copy); | |
1606 | database = copy; | |
1607 | } | |
1608 | ||
1609 | if (arg_action == ACTION_UPDATE_CATALOG) { | |
1610 | r = catalog_update(database, arg_root, catalog_file_dirs); | |
1611 | if (r < 0) | |
1612 | log_error("Failed to list catalog: %s", strerror(-r)); | |
1613 | } else { | |
1614 | bool oneline = arg_action == ACTION_LIST_CATALOG; | |
1615 | ||
1616 | if (optind < argc) | |
1617 | r = catalog_list_items(stdout, database, | |
1618 | oneline, argv + optind); | |
1619 | else | |
1620 | r = catalog_list(stdout, database, oneline); | |
1621 | if (r < 0) | |
1622 | log_error("Failed to list catalog: %s", strerror(-r)); | |
1623 | } | |
1624 | ||
1625 | goto finish; | |
1626 | } | |
1627 | ||
1628 | if (arg_directory) | |
14228c0d MB |
1629 | r = sd_journal_open_directory(&j, arg_directory, arg_journal_type); |
1630 | else if (arg_file) | |
1631 | r = sd_journal_open_files(&j, (const char**) arg_file, 0); | |
60f067b4 JS |
1632 | else if (arg_machine) |
1633 | r = sd_journal_open_container(&j, arg_machine, 0); | |
663996b3 | 1634 | else |
14228c0d | 1635 | r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); |
663996b3 | 1636 | if (r < 0) { |
14228c0d MB |
1637 | log_error("Failed to open %s: %s", |
1638 | arg_directory ? arg_directory : arg_file ? "files" : "journal", | |
1639 | strerror(-r)); | |
663996b3 MS |
1640 | return EXIT_FAILURE; |
1641 | } | |
1642 | ||
1643 | r = access_check(j); | |
1644 | if (r < 0) | |
1645 | return EXIT_FAILURE; | |
1646 | ||
1647 | if (arg_action == ACTION_VERIFY) { | |
1648 | r = verify(j); | |
1649 | goto finish; | |
1650 | } | |
1651 | ||
1652 | if (arg_action == ACTION_PRINT_HEADER) { | |
1653 | journal_print_header(j); | |
1654 | return EXIT_SUCCESS; | |
1655 | } | |
1656 | ||
1657 | if (arg_action == ACTION_DISK_USAGE) { | |
60f067b4 | 1658 | uint64_t bytes = 0; |
663996b3 MS |
1659 | char sbytes[FORMAT_BYTES_MAX]; |
1660 | ||
1661 | r = sd_journal_get_usage(j, &bytes); | |
1662 | if (r < 0) | |
1663 | return EXIT_FAILURE; | |
1664 | ||
1665 | printf("Journals take up %s on disk.\n", | |
1666 | format_bytes(sbytes, sizeof(sbytes), bytes)); | |
1667 | return EXIT_SUCCESS; | |
1668 | } | |
1669 | ||
60f067b4 JS |
1670 | if (arg_action == ACTION_LIST_BOOTS) { |
1671 | r = list_boots(j); | |
1672 | goto finish; | |
1673 | } | |
1674 | ||
14228c0d MB |
1675 | /* add_boot() must be called first! |
1676 | * It may need to seek the journal to find parent boot IDs. */ | |
1677 | r = add_boot(j); | |
1678 | if (r < 0) | |
1679 | return EXIT_FAILURE; | |
1680 | ||
1681 | r = add_dmesg(j); | |
663996b3 MS |
1682 | if (r < 0) |
1683 | return EXIT_FAILURE; | |
1684 | ||
1685 | r = add_units(j); | |
1686 | strv_free(arg_system_units); | |
1687 | strv_free(arg_user_units); | |
1688 | ||
60f067b4 JS |
1689 | if (r < 0) { |
1690 | log_error("Failed to add filter for units: %s", strerror(-r)); | |
663996b3 | 1691 | return EXIT_FAILURE; |
60f067b4 | 1692 | } |
663996b3 MS |
1693 | |
1694 | r = add_priorities(j); | |
60f067b4 JS |
1695 | if (r < 0) { |
1696 | log_error("Failed to add filter for priorities: %s", strerror(-r)); | |
663996b3 | 1697 | return EXIT_FAILURE; |
60f067b4 | 1698 | } |
663996b3 MS |
1699 | |
1700 | r = add_matches(j, argv + optind); | |
60f067b4 JS |
1701 | if (r < 0) { |
1702 | log_error("Failed to add filters: %s", strerror(-r)); | |
663996b3 | 1703 | return EXIT_FAILURE; |
60f067b4 | 1704 | } |
663996b3 | 1705 | |
14228c0d MB |
1706 | if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) { |
1707 | _cleanup_free_ char *filter; | |
1708 | ||
1709 | filter = journal_make_match_string(j); | |
1710 | log_debug("Journal filter: %s", filter); | |
1711 | } | |
663996b3 MS |
1712 | |
1713 | if (arg_field) { | |
1714 | const void *data; | |
1715 | size_t size; | |
1716 | ||
1717 | r = sd_journal_set_data_threshold(j, 0); | |
1718 | if (r < 0) { | |
1719 | log_error("Failed to unset data size threshold"); | |
1720 | return EXIT_FAILURE; | |
1721 | } | |
1722 | ||
1723 | r = sd_journal_query_unique(j, arg_field); | |
1724 | if (r < 0) { | |
1725 | log_error("Failed to query unique data objects: %s", strerror(-r)); | |
1726 | return EXIT_FAILURE; | |
1727 | } | |
1728 | ||
1729 | SD_JOURNAL_FOREACH_UNIQUE(j, data, size) { | |
1730 | const void *eq; | |
1731 | ||
1732 | if (arg_lines >= 0 && n_shown >= arg_lines) | |
1733 | break; | |
1734 | ||
1735 | eq = memchr(data, '=', size); | |
1736 | if (eq) | |
1737 | printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1); | |
1738 | else | |
1739 | printf("%.*s\n", (int) size, (const char*) data); | |
1740 | ||
1741 | n_shown ++; | |
1742 | } | |
1743 | ||
1744 | return EXIT_SUCCESS; | |
1745 | } | |
1746 | ||
14228c0d MB |
1747 | /* Opening the fd now means the first sd_journal_wait() will actually wait */ |
1748 | if (arg_follow) { | |
1749 | r = sd_journal_get_fd(j); | |
1750 | if (r < 0) | |
1751 | return EXIT_FAILURE; | |
1752 | } | |
1753 | ||
1754 | if (arg_cursor || arg_after_cursor) { | |
1755 | r = sd_journal_seek_cursor(j, arg_cursor ? arg_cursor : arg_after_cursor); | |
663996b3 MS |
1756 | if (r < 0) { |
1757 | log_error("Failed to seek to cursor: %s", strerror(-r)); | |
1758 | return EXIT_FAILURE; | |
1759 | } | |
1760 | if (!arg_reverse) | |
14228c0d | 1761 | r = sd_journal_next_skip(j, 1 + !!arg_after_cursor); |
663996b3 | 1762 | else |
14228c0d MB |
1763 | r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor); |
1764 | ||
1765 | if (arg_after_cursor && r < 2 && !arg_follow) | |
1766 | /* We couldn't find the next entry after the cursor. */ | |
1767 | arg_lines = 0; | |
663996b3 MS |
1768 | |
1769 | } else if (arg_since_set && !arg_reverse) { | |
1770 | r = sd_journal_seek_realtime_usec(j, arg_since); | |
1771 | if (r < 0) { | |
1772 | log_error("Failed to seek to date: %s", strerror(-r)); | |
1773 | return EXIT_FAILURE; | |
1774 | } | |
1775 | r = sd_journal_next(j); | |
1776 | ||
1777 | } else if (arg_until_set && arg_reverse) { | |
1778 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
1779 | if (r < 0) { | |
1780 | log_error("Failed to seek to date: %s", strerror(-r)); | |
1781 | return EXIT_FAILURE; | |
1782 | } | |
1783 | r = sd_journal_previous(j); | |
1784 | ||
1785 | } else if (arg_lines >= 0) { | |
1786 | r = sd_journal_seek_tail(j); | |
1787 | if (r < 0) { | |
1788 | log_error("Failed to seek to tail: %s", strerror(-r)); | |
1789 | return EXIT_FAILURE; | |
1790 | } | |
1791 | ||
1792 | r = sd_journal_previous_skip(j, arg_lines); | |
1793 | ||
1794 | } else if (arg_reverse) { | |
1795 | r = sd_journal_seek_tail(j); | |
1796 | if (r < 0) { | |
1797 | log_error("Failed to seek to tail: %s", strerror(-r)); | |
1798 | return EXIT_FAILURE; | |
1799 | } | |
1800 | ||
1801 | r = sd_journal_previous(j); | |
1802 | ||
1803 | } else { | |
1804 | r = sd_journal_seek_head(j); | |
1805 | if (r < 0) { | |
1806 | log_error("Failed to seek to head: %s", strerror(-r)); | |
1807 | return EXIT_FAILURE; | |
1808 | } | |
1809 | ||
1810 | r = sd_journal_next(j); | |
1811 | } | |
1812 | ||
1813 | if (r < 0) { | |
1814 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
1815 | return EXIT_FAILURE; | |
1816 | } | |
1817 | ||
60f067b4 JS |
1818 | if (!arg_follow) |
1819 | pager_open_if_enabled(); | |
663996b3 MS |
1820 | |
1821 | if (!arg_quiet) { | |
1822 | usec_t start, end; | |
1823 | char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX]; | |
1824 | ||
1825 | r = sd_journal_get_cutoff_realtime_usec(j, &start, &end); | |
1826 | if (r < 0) { | |
1827 | log_error("Failed to get cutoff: %s", strerror(-r)); | |
1828 | goto finish; | |
1829 | } | |
1830 | ||
1831 | if (r > 0) { | |
1832 | if (arg_follow) | |
1833 | printf("-- Logs begin at %s. --\n", | |
1834 | format_timestamp(start_buf, sizeof(start_buf), start)); | |
1835 | else | |
1836 | printf("-- Logs begin at %s, end at %s. --\n", | |
1837 | format_timestamp(start_buf, sizeof(start_buf), start), | |
1838 | format_timestamp(end_buf, sizeof(end_buf), end)); | |
1839 | } | |
1840 | } | |
1841 | ||
1842 | for (;;) { | |
1843 | while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) { | |
1844 | int flags; | |
1845 | ||
1846 | if (need_seek) { | |
1847 | if (!arg_reverse) | |
1848 | r = sd_journal_next(j); | |
1849 | else | |
1850 | r = sd_journal_previous(j); | |
1851 | if (r < 0) { | |
1852 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
1853 | goto finish; | |
1854 | } | |
14228c0d MB |
1855 | if (r == 0) |
1856 | break; | |
663996b3 MS |
1857 | } |
1858 | ||
663996b3 MS |
1859 | if (arg_until_set && !arg_reverse) { |
1860 | usec_t usec; | |
1861 | ||
1862 | r = sd_journal_get_realtime_usec(j, &usec); | |
1863 | if (r < 0) { | |
1864 | log_error("Failed to determine timestamp: %s", strerror(-r)); | |
1865 | goto finish; | |
1866 | } | |
1867 | if (usec > arg_until) | |
1868 | goto finish; | |
1869 | } | |
1870 | ||
1871 | if (arg_since_set && arg_reverse) { | |
1872 | usec_t usec; | |
1873 | ||
1874 | r = sd_journal_get_realtime_usec(j, &usec); | |
1875 | if (r < 0) { | |
1876 | log_error("Failed to determine timestamp: %s", strerror(-r)); | |
1877 | goto finish; | |
1878 | } | |
1879 | if (usec < arg_since) | |
1880 | goto finish; | |
1881 | } | |
1882 | ||
1883 | if (!arg_merge) { | |
1884 | sd_id128_t boot_id; | |
1885 | ||
1886 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); | |
1887 | if (r >= 0) { | |
1888 | if (previous_boot_id_valid && | |
1889 | !sd_id128_equal(boot_id, previous_boot_id)) | |
14228c0d MB |
1890 | printf("%s-- Reboot --%s\n", |
1891 | ansi_highlight(), ansi_highlight_off()); | |
663996b3 MS |
1892 | |
1893 | previous_boot_id = boot_id; | |
1894 | previous_boot_id_valid = true; | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | flags = | |
1899 | arg_all * OUTPUT_SHOW_ALL | | |
60f067b4 | 1900 | arg_full * OUTPUT_FULL_WIDTH | |
663996b3 MS |
1901 | on_tty() * OUTPUT_COLOR | |
1902 | arg_catalog * OUTPUT_CATALOG; | |
1903 | ||
14228c0d MB |
1904 | r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized); |
1905 | need_seek = true; | |
1906 | if (r == -EADDRNOTAVAIL) | |
1907 | break; | |
1908 | else if (r < 0 || ferror(stdout)) | |
663996b3 MS |
1909 | goto finish; |
1910 | ||
663996b3 MS |
1911 | n_shown++; |
1912 | } | |
1913 | ||
14228c0d MB |
1914 | if (!arg_follow) { |
1915 | if (arg_show_cursor) { | |
1916 | _cleanup_free_ char *cursor = NULL; | |
1917 | ||
1918 | r = sd_journal_get_cursor(j, &cursor); | |
1919 | if (r < 0 && r != -EADDRNOTAVAIL) | |
1920 | log_error("Failed to get cursor: %s", strerror(-r)); | |
1921 | else if (r >= 0) | |
1922 | printf("-- cursor: %s\n", cursor); | |
1923 | } | |
1924 | ||
663996b3 | 1925 | break; |
14228c0d | 1926 | } |
663996b3 MS |
1927 | |
1928 | r = sd_journal_wait(j, (uint64_t) -1); | |
1929 | if (r < 0) { | |
1930 | log_error("Couldn't wait for journal event: %s", strerror(-r)); | |
1931 | goto finish; | |
1932 | } | |
1933 | ||
1934 | first_line = false; | |
1935 | } | |
1936 | ||
1937 | finish: | |
1938 | pager_close(); | |
1939 | ||
60f067b4 JS |
1940 | strv_free(arg_file); |
1941 | ||
663996b3 MS |
1942 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
1943 | } |