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87d2c1ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
87d2c1ff LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
87d2c1ff | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
87d2c1ff LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <fcntl.h> | |
23 | #include <errno.h> | |
24 | #include <stddef.h> | |
3fbf9cbb LP |
25 | #include <string.h> |
26 | #include <stdio.h> | |
27 | #include <unistd.h> | |
28 | #include <stdlib.h> | |
50f20cfd | 29 | #include <sys/poll.h> |
72f59706 | 30 | #include <time.h> |
0d43c694 | 31 | #include <getopt.h> |
50940700 | 32 | #include <sys/stat.h> |
87d2c1ff | 33 | |
81527be1 LP |
34 | #include <systemd/sd-journal.h> |
35 | ||
3fbf9cbb | 36 | #include "log.h" |
72f59706 | 37 | #include "util.h" |
e5124088 | 38 | #include "path-util.h" |
0d43c694 LP |
39 | #include "build.h" |
40 | #include "pager.h" | |
86aa7ba4 | 41 | #include "logs-show.h" |
a963990f | 42 | #include "strv.h" |
dca6219e | 43 | #include "journal-internal.h" |
7560fffc | 44 | #include "journal-def.h" |
0284adc6 | 45 | #include "journal-verify.h" |
4da416aa LP |
46 | #include "journal-authenticate.h" |
47 | #include "fsprg.h" | |
7560fffc | 48 | |
baed47c3 | 49 | #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) |
250d54b5 | 50 | |
df50185b | 51 | static OutputMode arg_output = OUTPUT_SHORT; |
72f59706 LP |
52 | static bool arg_follow = false; |
53 | static bool arg_show_all = false; | |
0d43c694 | 54 | static bool arg_no_pager = false; |
2100675e | 55 | static int arg_lines = -1; |
e91af489 | 56 | static bool arg_no_tail = false; |
43673799 | 57 | static bool arg_quiet = false; |
2bd3c38a | 58 | static bool arg_local = false; |
59cea26a | 59 | static bool arg_this_boot = false; |
a963990f | 60 | static const char *arg_directory = NULL; |
941e990d | 61 | static int arg_priorities = 0xFF; |
baed47c3 LP |
62 | static const char *arg_verify_key = NULL; |
63 | static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC; | |
50f20cfd | 64 | |
7560fffc LP |
65 | static enum { |
66 | ACTION_SHOW, | |
67 | ACTION_NEW_ID128, | |
68 | ACTION_PRINT_HEADER, | |
beec0085 LP |
69 | ACTION_SETUP_KEYS, |
70 | ACTION_VERIFY | |
7560fffc LP |
71 | } arg_action = ACTION_SHOW; |
72 | ||
0d43c694 LP |
73 | static int help(void) { |
74 | ||
89834a7c | 75 | printf("%s [OPTIONS...] [MATCH]\n\n" |
df50185b | 76 | "Send control commands to or query the journal.\n\n" |
baed47c3 LP |
77 | " -h --help Show this help\n" |
78 | " --version Show package version\n" | |
79 | " --no-pager Do not pipe output into a pager\n" | |
80 | " -a --all Show all fields, including long and unprintable\n" | |
81 | " -f --follow Follow journal\n" | |
82 | " -n --lines=INTEGER Journal entries to show\n" | |
83 | " --no-tail Show all lines, even in follow mode\n" | |
84 | " -o --output=STRING Change journal output mode (short, short-monotonic,\n" | |
85 | " verbose, export, json, cat)\n" | |
86 | " -q --quiet Don't show privilege warning\n" | |
87 | " -l --local Only local entries\n" | |
88 | " -b --this-boot Show data only from current boot\n" | |
89 | " -D --directory=PATH Show journal files from directory\n" | |
90 | " -p --priority=RANGE Show only messages within the specified priority range\n\n" | |
7560fffc | 91 | "Commands:\n" |
baed47c3 LP |
92 | " --new-id128 Generate a new 128 Bit ID\n" |
93 | " --header Show journal header information\n" | |
94 | " --setup-keys Generate new FSS key pair\n" | |
95 | " --interval=TIME Time interval for changing the FSS sealing key\n" | |
96 | " --verify Verify journal file consistency\n" | |
97 | " --verify-key=KEY Specify FSS verification key\n", | |
0d43c694 LP |
98 | program_invocation_short_name); |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | static int parse_argv(int argc, char *argv[]) { | |
104 | ||
105 | enum { | |
106 | ARG_VERSION = 0x100, | |
e91af489 | 107 | ARG_NO_PAGER, |
55ee336c | 108 | ARG_NO_TAIL, |
dca6219e | 109 | ARG_NEW_ID128, |
7560fffc | 110 | ARG_HEADER, |
beec0085 | 111 | ARG_SETUP_KEYS, |
baed47c3 | 112 | ARG_INTERVAL, |
4da416aa | 113 | ARG_VERIFY, |
baed47c3 | 114 | ARG_VERIFY_KEY |
0d43c694 LP |
115 | }; |
116 | ||
117 | static const struct option options[] = { | |
baed47c3 LP |
118 | { "help", no_argument, NULL, 'h' }, |
119 | { "version" , no_argument, NULL, ARG_VERSION }, | |
120 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
121 | { "follow", no_argument, NULL, 'f' }, | |
122 | { "output", required_argument, NULL, 'o' }, | |
123 | { "all", no_argument, NULL, 'a' }, | |
124 | { "lines", required_argument, NULL, 'n' }, | |
125 | { "no-tail", no_argument, NULL, ARG_NO_TAIL }, | |
126 | { "new-id128", no_argument, NULL, ARG_NEW_ID128 }, | |
127 | { "quiet", no_argument, NULL, 'q' }, | |
128 | { "local", no_argument, NULL, 'l' }, | |
129 | { "this-boot", no_argument, NULL, 'b' }, | |
130 | { "directory", required_argument, NULL, 'D' }, | |
131 | { "header", no_argument, NULL, ARG_HEADER }, | |
132 | { "priority", no_argument, NULL, 'p' }, | |
133 | { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS }, | |
134 | { "interval", required_argument, NULL, ARG_INTERVAL }, | |
135 | { "verify", no_argument, NULL, ARG_VERIFY }, | |
136 | { "verify-key", required_argument, NULL, ARG_VERIFY_KEY }, | |
137 | { NULL, 0, NULL, 0 } | |
0d43c694 LP |
138 | }; |
139 | ||
2100675e | 140 | int c, r; |
0d43c694 LP |
141 | |
142 | assert(argc >= 0); | |
143 | assert(argv); | |
144 | ||
941e990d | 145 | while ((c = getopt_long(argc, argv, "hfo:an:qlbD:p:", options, NULL)) >= 0) { |
0d43c694 LP |
146 | |
147 | switch (c) { | |
148 | ||
149 | case 'h': | |
150 | help(); | |
151 | return 0; | |
152 | ||
153 | case ARG_VERSION: | |
154 | puts(PACKAGE_STRING); | |
155 | puts(DISTRIBUTION); | |
156 | puts(SYSTEMD_FEATURES); | |
157 | return 0; | |
158 | ||
159 | case ARG_NO_PAGER: | |
160 | arg_no_pager = true; | |
161 | break; | |
162 | ||
163 | case 'f': | |
164 | arg_follow = true; | |
165 | break; | |
166 | ||
167 | case 'o': | |
df50185b LP |
168 | arg_output = output_mode_from_string(optarg); |
169 | if (arg_output < 0) { | |
0d43c694 LP |
170 | log_error("Unknown output '%s'.", optarg); |
171 | return -EINVAL; | |
172 | } | |
df50185b | 173 | |
0d43c694 LP |
174 | break; |
175 | ||
176 | case 'a': | |
177 | arg_show_all = true; | |
178 | break; | |
179 | ||
2100675e LP |
180 | case 'n': |
181 | r = safe_atoi(optarg, &arg_lines); | |
e91af489 | 182 | if (r < 0 || arg_lines < 0) { |
2100675e LP |
183 | log_error("Failed to parse lines '%s'", optarg); |
184 | return -EINVAL; | |
185 | } | |
186 | break; | |
187 | ||
e91af489 LP |
188 | case ARG_NO_TAIL: |
189 | arg_no_tail = true; | |
190 | break; | |
191 | ||
39f7f5c1 | 192 | case ARG_NEW_ID128: |
7560fffc | 193 | arg_action = ACTION_NEW_ID128; |
55ee336c LP |
194 | break; |
195 | ||
43673799 LP |
196 | case 'q': |
197 | arg_quiet = true; | |
490e567d | 198 | break; |
43673799 | 199 | |
2bd3c38a LP |
200 | case 'l': |
201 | arg_local = true; | |
202 | break; | |
203 | ||
59cea26a LP |
204 | case 'b': |
205 | arg_this_boot = true; | |
206 | break; | |
207 | ||
a963990f LP |
208 | case 'D': |
209 | arg_directory = optarg; | |
210 | break; | |
211 | ||
dca6219e | 212 | case ARG_HEADER: |
7560fffc LP |
213 | arg_action = ACTION_PRINT_HEADER; |
214 | break; | |
215 | ||
216 | case ARG_SETUP_KEYS: | |
217 | arg_action = ACTION_SETUP_KEYS; | |
dca6219e LP |
218 | break; |
219 | ||
beec0085 LP |
220 | case ARG_VERIFY: |
221 | arg_action = ACTION_VERIFY; | |
222 | break; | |
223 | ||
baed47c3 | 224 | case ARG_VERIFY_KEY: |
4da416aa | 225 | arg_action = ACTION_VERIFY; |
baed47c3 | 226 | arg_verify_key = optarg; |
4da416aa LP |
227 | break; |
228 | ||
baed47c3 LP |
229 | case ARG_INTERVAL: |
230 | r = parse_usec(optarg, &arg_interval); | |
231 | if (r < 0 || arg_interval <= 0) { | |
232 | log_error("Failed to parse sealing key change interval: %s", optarg); | |
14d10188 LP |
233 | return -EINVAL; |
234 | } | |
235 | break; | |
236 | ||
941e990d LP |
237 | case 'p': { |
238 | const char *dots; | |
239 | ||
240 | dots = strstr(optarg, ".."); | |
241 | if (dots) { | |
242 | char *a; | |
243 | int from, to, i; | |
244 | ||
245 | /* a range */ | |
246 | a = strndup(optarg, dots - optarg); | |
247 | if (!a) | |
248 | return log_oom(); | |
249 | ||
250 | from = log_level_from_string(a); | |
251 | to = log_level_from_string(dots + 2); | |
252 | free(a); | |
253 | ||
254 | if (from < 0 || to < 0) { | |
255 | log_error("Failed to parse log level range %s", optarg); | |
256 | return -EINVAL; | |
257 | } | |
258 | ||
259 | arg_priorities = 0; | |
260 | ||
261 | if (from < to) { | |
262 | for (i = from; i <= to; i++) | |
263 | arg_priorities |= 1 << i; | |
264 | } else { | |
265 | for (i = to; i <= from; i++) | |
266 | arg_priorities |= 1 << i; | |
267 | } | |
268 | ||
269 | } else { | |
270 | int p, i; | |
271 | ||
272 | p = log_level_from_string(optarg); | |
273 | if (p < 0) { | |
274 | log_error("Unknown log level %s", optarg); | |
275 | return -EINVAL; | |
276 | } | |
277 | ||
278 | arg_priorities = 0; | |
279 | ||
280 | for (i = 0; i <= p; i++) | |
281 | arg_priorities |= 1 << i; | |
282 | } | |
283 | ||
284 | break; | |
285 | } | |
286 | ||
0d43c694 LP |
287 | case '?': |
288 | return -EINVAL; | |
289 | ||
290 | default: | |
291 | log_error("Unknown option code %c", c); | |
292 | return -EINVAL; | |
293 | } | |
294 | } | |
295 | ||
62f21ec9 | 296 | if (arg_follow && !arg_no_tail && arg_lines < 0) |
e91af489 LP |
297 | arg_lines = 10; |
298 | ||
0d43c694 LP |
299 | return 1; |
300 | } | |
301 | ||
49826187 LP |
302 | static bool on_tty(void) { |
303 | static int t = -1; | |
304 | ||
305 | /* Note that this is invoked relatively early, before we start | |
306 | * the pager. That means the value we return reflects whether | |
307 | * we originally were started on a tty, not if we currently | |
308 | * are. But this is intended, since we want colour and so on | |
309 | * when run in our own pager. */ | |
310 | ||
311 | if (_unlikely_(t < 0)) | |
312 | t = isatty(STDOUT_FILENO) > 0; | |
313 | ||
314 | return t; | |
315 | } | |
316 | ||
39f7f5c1 | 317 | static int generate_new_id128(void) { |
55ee336c LP |
318 | sd_id128_t id; |
319 | int r; | |
320 | unsigned i; | |
321 | ||
322 | r = sd_id128_randomize(&id); | |
323 | if (r < 0) { | |
324 | log_error("Failed to generate ID: %s", strerror(-r)); | |
325 | return r; | |
326 | } | |
327 | ||
328 | printf("As string:\n" | |
329 | SD_ID128_FORMAT_STR "\n\n" | |
330 | "As UUID:\n" | |
331 | "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n" | |
332 | "As macro:\n" | |
333 | "#define MESSAGE_XYZ SD_ID128_MAKE(", | |
334 | SD_ID128_FORMAT_VAL(id), | |
335 | SD_ID128_FORMAT_VAL(id)); | |
336 | ||
337 | for (i = 0; i < 16; i++) | |
338 | printf("%02x%s", id.bytes[i], i != 15 ? "," : ""); | |
339 | ||
340 | fputs(")\n", stdout); | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
a963990f LP |
345 | static int add_matches(sd_journal *j, char **args) { |
346 | char **i; | |
347 | int r; | |
59cea26a | 348 | |
a963990f | 349 | assert(j); |
59cea26a | 350 | |
a963990f | 351 | STRV_FOREACH(i, args) { |
59cea26a | 352 | |
cbdca852 LP |
353 | if (streq(*i, "+")) |
354 | r = sd_journal_add_disjunction(j); | |
355 | else if (path_is_absolute(*i)) { | |
b6a34514 | 356 | char *p, *t = NULL; |
e5124088 | 357 | const char *path; |
a963990f | 358 | struct stat st; |
e5124088 | 359 | |
a963990f LP |
360 | p = canonicalize_file_name(*i); |
361 | path = p ? p : *i; | |
e5124088 LP |
362 | |
363 | if (stat(path, &st) < 0) { | |
364 | free(p); | |
365 | log_error("Couldn't stat file: %m"); | |
a963990f | 366 | return -errno; |
e5124088 LP |
367 | } |
368 | ||
b6a34514 | 369 | if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) |
e5124088 | 370 | t = strappend("_EXE=", path); |
b6a34514 LP |
371 | else if (S_ISCHR(st.st_mode)) |
372 | asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev)); | |
373 | else if (S_ISBLK(st.st_mode)) | |
374 | asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev)); | |
375 | else { | |
e5124088 | 376 | free(p); |
b6a34514 | 377 | log_error("File is not a device node, regular file or is not executable: %s", *i); |
a963990f | 378 | return -EINVAL; |
50940700 | 379 | } |
e5124088 LP |
380 | |
381 | free(p); | |
b6a34514 LP |
382 | |
383 | if (!t) | |
384 | return log_oom(); | |
385 | ||
386 | r = sd_journal_add_match(j, t, 0); | |
387 | free(t); | |
e5124088 | 388 | } else |
cbdca852 | 389 | r = sd_journal_add_match(j, *i, 0); |
e5124088 | 390 | |
de7b95cd | 391 | if (r < 0) { |
cbdca852 | 392 | log_error("Failed to add match '%s': %s", *i, strerror(-r)); |
a963990f | 393 | return r; |
de7b95cd LP |
394 | } |
395 | } | |
396 | ||
a963990f LP |
397 | return 0; |
398 | } | |
399 | ||
400 | static int add_this_boot(sd_journal *j) { | |
401 | char match[9+32+1] = "_BOOT_ID="; | |
402 | sd_id128_t boot_id; | |
403 | int r; | |
404 | ||
941e990d LP |
405 | assert(j); |
406 | ||
a963990f LP |
407 | if (!arg_this_boot) |
408 | return 0; | |
409 | ||
410 | r = sd_id128_get_boot(&boot_id); | |
411 | if (r < 0) { | |
412 | log_error("Failed to get boot id: %s", strerror(-r)); | |
413 | return r; | |
414 | } | |
415 | ||
416 | sd_id128_to_string(boot_id, match + 9); | |
417 | r = sd_journal_add_match(j, match, strlen(match)); | |
418 | if (r < 0) { | |
419 | log_error("Failed to add match: %s", strerror(-r)); | |
420 | return r; | |
421 | } | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
941e990d LP |
426 | static int add_priorities(sd_journal *j) { |
427 | char match[] = "PRIORITY=0"; | |
428 | int i, r; | |
429 | ||
430 | assert(j); | |
431 | ||
432 | if (arg_priorities == 0xFF) | |
433 | return 0; | |
434 | ||
435 | for (i = LOG_EMERG; i <= LOG_DEBUG; i++) | |
436 | if (arg_priorities & (1 << i)) { | |
437 | match[sizeof(match)-2] = '0' + i; | |
438 | ||
439 | log_info("adding match %s", match); | |
440 | ||
441 | r = sd_journal_add_match(j, match, strlen(match)); | |
442 | if (r < 0) { | |
443 | log_error("Failed to add match: %s", strerror(-r)); | |
444 | return r; | |
445 | } | |
446 | } | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
7560fffc LP |
451 | static int setup_keys(void) { |
452 | #ifdef HAVE_GCRYPT | |
453 | size_t mpk_size, seed_size, state_size, i; | |
454 | uint8_t *mpk, *seed, *state; | |
455 | ssize_t l; | |
456 | int fd = -1, r; | |
457 | sd_id128_t machine, boot; | |
458 | char *p = NULL, *k = NULL; | |
baed47c3 | 459 | struct FSSHeader h; |
14d10188 | 460 | uint64_t n; |
7560fffc LP |
461 | |
462 | r = sd_id128_get_machine(&machine); | |
463 | if (r < 0) { | |
464 | log_error("Failed to get machine ID: %s", strerror(-r)); | |
465 | return r; | |
466 | } | |
467 | ||
468 | r = sd_id128_get_boot(&boot); | |
469 | if (r < 0) { | |
470 | log_error("Failed to get boot ID: %s", strerror(-r)); | |
471 | return r; | |
472 | } | |
473 | ||
baed47c3 | 474 | if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss", |
7560fffc LP |
475 | SD_ID128_FORMAT_VAL(machine)) < 0) |
476 | return log_oom(); | |
477 | ||
478 | if (access(p, F_OK) >= 0) { | |
479 | log_error("Evolving key file %s exists already.", p); | |
480 | r = -EEXIST; | |
481 | goto finish; | |
482 | } | |
483 | ||
baed47c3 | 484 | if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX", |
7560fffc LP |
485 | SD_ID128_FORMAT_VAL(machine)) < 0) { |
486 | r = log_oom(); | |
487 | goto finish; | |
488 | } | |
489 | ||
490 | mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR); | |
491 | mpk = alloca(mpk_size); | |
492 | ||
493 | seed_size = FSPRG_RECOMMENDED_SEEDLEN; | |
494 | seed = alloca(seed_size); | |
495 | ||
496 | state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR); | |
497 | state = alloca(state_size); | |
498 | ||
499 | fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
500 | if (fd < 0) { | |
501 | log_error("Failed to open /dev/random: %m"); | |
502 | r = -errno; | |
503 | goto finish; | |
504 | } | |
505 | ||
506 | log_info("Generating seed..."); | |
507 | l = loop_read(fd, seed, seed_size, true); | |
508 | if (l < 0 || (size_t) l != seed_size) { | |
509 | log_error("Failed to read random seed: %s", strerror(EIO)); | |
510 | r = -EIO; | |
511 | goto finish; | |
512 | } | |
513 | ||
514 | log_info("Generating key pair..."); | |
515 | FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR); | |
516 | ||
baed47c3 | 517 | log_info("Generating sealing key..."); |
7560fffc LP |
518 | FSPRG_GenState0(state, mpk, seed, seed_size); |
519 | ||
baed47c3 LP |
520 | assert(arg_interval > 0); |
521 | ||
7560fffc | 522 | n = now(CLOCK_REALTIME); |
baed47c3 | 523 | n /= arg_interval; |
7560fffc LP |
524 | |
525 | close_nointr_nofail(fd); | |
526 | fd = mkostemp(k, O_WRONLY|O_CLOEXEC|O_NOCTTY); | |
527 | if (fd < 0) { | |
528 | log_error("Failed to open %s: %m", k); | |
529 | r = -errno; | |
530 | goto finish; | |
531 | } | |
532 | ||
533 | zero(h); | |
534 | memcpy(h.signature, "KSHHRHLP", 8); | |
535 | h.machine_id = machine; | |
536 | h.boot_id = boot; | |
537 | h.header_size = htole64(sizeof(h)); | |
baed47c3 LP |
538 | h.start_usec = htole64(n * arg_interval); |
539 | h.interval_usec = htole64(arg_interval); | |
540 | h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR); | |
541 | h.fsprg_state_size = htole64(state_size); | |
7560fffc LP |
542 | |
543 | l = loop_write(fd, &h, sizeof(h), false); | |
544 | if (l < 0 || (size_t) l != sizeof(h)) { | |
545 | log_error("Failed to write header: %s", strerror(EIO)); | |
546 | r = -EIO; | |
547 | goto finish; | |
548 | } | |
549 | ||
550 | l = loop_write(fd, state, state_size, false); | |
551 | if (l < 0 || (size_t) l != state_size) { | |
552 | log_error("Failed to write state: %s", strerror(EIO)); | |
553 | r = -EIO; | |
554 | goto finish; | |
555 | } | |
556 | ||
557 | if (link(k, p) < 0) { | |
558 | log_error("Failed to link file: %m"); | |
559 | r = -errno; | |
560 | goto finish; | |
561 | } | |
562 | ||
563 | if (isatty(STDOUT_FILENO)) { | |
564 | fprintf(stderr, | |
565 | "\n" | |
baed47c3 LP |
566 | "The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n" |
567 | "the following local file. It should not be used on multiple hosts.\n" | |
7560fffc LP |
568 | "\n" |
569 | "\t%s\n" | |
570 | "\n" | |
baed47c3 LP |
571 | "Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n" |
572 | "at a safe location and should not be saved locally on disk.\n" | |
7560fffc LP |
573 | "\n\t" ANSI_HIGHLIGHT_RED_ON, p); |
574 | fflush(stderr); | |
575 | } | |
576 | for (i = 0; i < seed_size; i++) { | |
577 | if (i > 0 && i % 3 == 0) | |
578 | putchar('-'); | |
579 | printf("%02x", ((uint8_t*) seed)[i]); | |
580 | } | |
581 | ||
baed47c3 LP |
582 | printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval); |
583 | ||
584 | if (isatty(STDOUT_FILENO)) { | |
585 | char tsb[FORMAT_TIMESPAN_MAX]; | |
7560fffc | 586 | |
baed47c3 LP |
587 | fprintf(stderr, |
588 | ANSI_HIGHLIGHT_OFF "\n" | |
589 | "The sealing key is automatically changed every %s.\n", | |
590 | format_timespan(tsb, sizeof(tsb), arg_interval)); | |
591 | } | |
7560fffc LP |
592 | |
593 | r = 0; | |
594 | ||
595 | finish: | |
596 | if (fd >= 0) | |
597 | close_nointr_nofail(fd); | |
598 | ||
599 | if (k) { | |
600 | unlink(k); | |
601 | free(k); | |
602 | } | |
603 | ||
604 | free(p); | |
605 | ||
606 | return r; | |
607 | #else | |
608 | log_error("Forward-secure journal verification not available."); | |
609 | #endif | |
610 | } | |
611 | ||
beec0085 LP |
612 | static int verify(sd_journal *j) { |
613 | int r = 0; | |
614 | Iterator i; | |
615 | JournalFile *f; | |
616 | ||
617 | assert(j); | |
618 | ||
619 | HASHMAP_FOREACH(f, j->files, i) { | |
620 | int k; | |
621 | ||
56e81f7c | 622 | #ifdef HAVE_GCRYPT |
baed47c3 LP |
623 | if (!arg_verify_key && journal_file_fss_enabled(f)) |
624 | log_warning("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path); | |
56e81f7c | 625 | #endif |
4da416aa | 626 | |
baed47c3 | 627 | k = journal_file_verify(f, arg_verify_key); |
56e81f7c | 628 | if (k == -EINVAL) { |
baed47c3 | 629 | /* If the key was invalid give up right-away. */ |
56e81f7c LP |
630 | return k; |
631 | } else if (k < 0) { | |
beec0085 | 632 | log_warning("FAIL: %s (%s)", f->path, strerror(-k)); |
56e81f7c | 633 | r = k; |
beec0085 LP |
634 | } else |
635 | log_info("PASS: %s", f->path); | |
636 | } | |
637 | ||
638 | return r; | |
639 | } | |
640 | ||
a963990f LP |
641 | int main(int argc, char *argv[]) { |
642 | int r; | |
643 | sd_journal *j = NULL; | |
644 | unsigned line = 0; | |
645 | bool need_seek = false; | |
14a65d65 LP |
646 | sd_id128_t previous_boot_id; |
647 | bool previous_boot_id_valid = false; | |
92a1fd9e | 648 | bool have_pager; |
a963990f LP |
649 | |
650 | log_parse_environment(); | |
651 | log_open(); | |
652 | ||
653 | r = parse_argv(argc, argv); | |
654 | if (r <= 0) | |
655 | goto finish; | |
656 | ||
7560fffc | 657 | if (arg_action == ACTION_NEW_ID128) { |
a963990f LP |
658 | r = generate_new_id128(); |
659 | goto finish; | |
660 | } | |
661 | ||
7560fffc LP |
662 | if (arg_action == ACTION_SETUP_KEYS) { |
663 | r = setup_keys(); | |
664 | goto finish; | |
665 | } | |
666 | ||
a963990f LP |
667 | if (arg_directory) |
668 | r = sd_journal_open_directory(&j, arg_directory, 0); | |
669 | else | |
670 | r = sd_journal_open(&j, arg_local ? SD_JOURNAL_LOCAL_ONLY : 0); | |
671 | ||
672 | if (r < 0) { | |
673 | log_error("Failed to open journal: %s", strerror(-r)); | |
674 | goto finish; | |
675 | } | |
676 | ||
beec0085 LP |
677 | if (arg_action == ACTION_VERIFY) { |
678 | r = verify(j); | |
679 | goto finish; | |
680 | } | |
681 | ||
7560fffc | 682 | if (arg_action == ACTION_PRINT_HEADER) { |
dca6219e LP |
683 | journal_print_header(j); |
684 | r = 0; | |
685 | goto finish; | |
686 | } | |
687 | ||
beec0085 LP |
688 | #ifdef HAVE_ACL |
689 | if (!arg_quiet && geteuid() != 0 && in_group("adm") <= 0) | |
690 | log_warning("Showing user generated messages only. Users in the group 'adm' can see all messages. Pass -q to turn this message off."); | |
691 | #endif | |
692 | ||
a963990f LP |
693 | r = add_this_boot(j); |
694 | if (r < 0) | |
695 | goto finish; | |
696 | ||
697 | r = add_matches(j, argv + optind); | |
698 | if (r < 0) | |
699 | goto finish; | |
700 | ||
941e990d LP |
701 | r = add_priorities(j); |
702 | if (r < 0) | |
703 | goto finish; | |
704 | ||
08984293 LP |
705 | if (!arg_quiet) { |
706 | usec_t start, end; | |
707 | char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX]; | |
708 | ||
709 | r = sd_journal_get_cutoff_realtime_usec(j, &start, &end); | |
710 | if (r < 0) { | |
711 | log_error("Failed to get cutoff: %s", strerror(-r)); | |
712 | goto finish; | |
713 | } | |
714 | ||
715 | if (r > 0) { | |
716 | if (arg_follow) | |
717 | printf("Logs begin at %s.\n", format_timestamp(start_buf, sizeof(start_buf), start)); | |
718 | else | |
719 | printf("Logs begin at %s, end at %s.\n", | |
720 | format_timestamp(start_buf, sizeof(start_buf), start), | |
721 | format_timestamp(end_buf, sizeof(end_buf), end)); | |
722 | } | |
723 | } | |
724 | ||
2100675e LP |
725 | if (arg_lines >= 0) { |
726 | r = sd_journal_seek_tail(j); | |
727 | if (r < 0) { | |
728 | log_error("Failed to seek to tail: %s", strerror(-r)); | |
729 | goto finish; | |
730 | } | |
731 | ||
732 | r = sd_journal_previous_skip(j, arg_lines); | |
2100675e LP |
733 | } else { |
734 | r = sd_journal_seek_head(j); | |
735 | if (r < 0) { | |
736 | log_error("Failed to seek to head: %s", strerror(-r)); | |
737 | goto finish; | |
738 | } | |
6f003b43 LP |
739 | |
740 | r = sd_journal_next(j); | |
741 | } | |
742 | ||
743 | if (r < 0) { | |
744 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
745 | goto finish; | |
50f20cfd | 746 | } |
87d2c1ff | 747 | |
49826187 | 748 | on_tty(); |
fafb6ecc | 749 | have_pager = !arg_no_pager && !arg_follow && pager_open(); |
0d43c694 LP |
750 | |
751 | if (arg_output == OUTPUT_JSON) { | |
72f59706 | 752 | fputc('[', stdout); |
0d43c694 LP |
753 | fflush(stdout); |
754 | } | |
72f59706 | 755 | |
50f20cfd | 756 | for (;;) { |
0d43c694 | 757 | for (;;) { |
14a65d65 | 758 | sd_id128_t boot_id; |
49826187 LP |
759 | int flags = |
760 | arg_show_all * OUTPUT_SHOW_ALL | | |
761 | have_pager * OUTPUT_FULL_WIDTH | | |
762 | on_tty() * OUTPUT_COLOR; | |
14a65d65 | 763 | |
6f003b43 LP |
764 | if (need_seek) { |
765 | r = sd_journal_next(j); | |
766 | if (r < 0) { | |
767 | log_error("Failed to iterate through journal: %s", strerror(-r)); | |
768 | goto finish; | |
769 | } | |
0d43c694 LP |
770 | } |
771 | ||
772 | if (r == 0) | |
773 | break; | |
774 | ||
14a65d65 LP |
775 | r = sd_journal_get_monotonic_usec(j, NULL, &boot_id); |
776 | if (r >= 0) { | |
777 | if (previous_boot_id_valid && | |
778 | !sd_id128_equal(boot_id, previous_boot_id)) | |
779 | printf(ANSI_HIGHLIGHT_ON "----- Reboot -----" ANSI_HIGHLIGHT_OFF "\n"); | |
780 | ||
781 | previous_boot_id = boot_id; | |
782 | previous_boot_id_valid = true; | |
783 | } | |
784 | ||
72f59706 | 785 | line ++; |
50f20cfd | 786 | |
92a1fd9e | 787 | r = output_journal(j, arg_output, line, 0, flags); |
72f59706 LP |
788 | if (r < 0) |
789 | goto finish; | |
6f003b43 LP |
790 | |
791 | need_seek = true; | |
87d2c1ff LP |
792 | } |
793 | ||
50f20cfd LP |
794 | if (!arg_follow) |
795 | break; | |
796 | ||
e02d1cf7 | 797 | r = sd_journal_wait(j, (uint64_t) -1); |
50f20cfd | 798 | if (r < 0) { |
e02d1cf7 | 799 | log_error("Couldn't wait for log event: %s", strerror(-r)); |
50f20cfd LP |
800 | goto finish; |
801 | } | |
de190aef | 802 | } |
87d2c1ff | 803 | |
72f59706 LP |
804 | if (arg_output == OUTPUT_JSON) |
805 | fputs("\n]\n", stdout); | |
806 | ||
87d2c1ff | 807 | finish: |
3fbf9cbb LP |
808 | if (j) |
809 | sd_journal_close(j); | |
87d2c1ff | 810 | |
0d43c694 LP |
811 | pager_close(); |
812 | ||
3fbf9cbb | 813 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
87d2c1ff | 814 | } |