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Commit | Line | Data |
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86aa7ba4 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2012 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 | |
86aa7ba4 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. |
86aa7ba4 | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
86aa7ba4 LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
86aa7ba4 | 20 | #include <errno.h> |
b6741478 | 21 | #include <fcntl.h> |
a8fbdf54 TA |
22 | #include <signal.h> |
23 | #include <stdint.h> | |
24 | #include <stdlib.h> | |
07630cea LP |
25 | #include <string.h> |
26 | #include <sys/socket.h> | |
a8fbdf54 | 27 | #include <syslog.h> |
07630cea | 28 | #include <time.h> |
a8fbdf54 TA |
29 | #include <unistd.h> |
30 | ||
31 | #include "sd-id128.h" | |
32 | #include "sd-journal.h" | |
86aa7ba4 | 33 | |
b5efdb8a | 34 | #include "alloc-util.h" |
3ffd4af2 | 35 | #include "fd-util.h" |
f97b34a6 | 36 | #include "format-util.h" |
d99ae53a | 37 | #include "hashmap.h" |
07630cea | 38 | #include "hostname-util.h" |
c004493c | 39 | #include "io-util.h" |
dfb33a97 | 40 | #include "journal-internal.h" |
07630cea | 41 | #include "log.h" |
3ffd4af2 | 42 | #include "logs-show.h" |
a8fbdf54 TA |
43 | #include "macro.h" |
44 | #include "output-mode.h" | |
6bedfcbb | 45 | #include "parse-util.h" |
0b452006 | 46 | #include "process-util.h" |
a8fbdf54 | 47 | #include "sparse-endian.h" |
29a753df | 48 | #include "stdio-util.h" |
8b43440b | 49 | #include "string-table.h" |
07630cea | 50 | #include "string-util.h" |
288a74cc | 51 | #include "terminal-util.h" |
a8fbdf54 | 52 | #include "time-util.h" |
07630cea LP |
53 | #include "utf8.h" |
54 | #include "util.h" | |
86aa7ba4 | 55 | |
07630cea | 56 | /* up to three lines (each up to 100 characters) or 300 characters, whichever is less */ |
a6f0104a ZJS |
57 | #define PRINT_LINE_THRESHOLD 3 |
58 | #define PRINT_CHAR_THRESHOLD 300 | |
59 | ||
08ace05b | 60 | #define JSON_THRESHOLD 4096 |
86aa7ba4 | 61 | |
d4205751 LP |
62 | static int print_catalog(FILE *f, sd_journal *j) { |
63 | int r; | |
64 | _cleanup_free_ char *t = NULL, *z = NULL; | |
65 | ||
66 | ||
67 | r = sd_journal_get_catalog(j, &t); | |
68 | if (r < 0) | |
69 | return r; | |
70 | ||
71 | z = strreplace(strstrip(t), "\n", "\n-- "); | |
72 | if (!z) | |
73 | return log_oom(); | |
74 | ||
75 | fputs("-- ", f); | |
76 | fputs(z, f); | |
77 | fputc('\n', f); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
55d7bfc1 LP |
82 | static int parse_field(const void *data, size_t length, const char *field, char **target, size_t *target_size) { |
83 | size_t fl, nl; | |
d813d7a3 | 84 | char *buf; |
55d7bfc1 LP |
85 | |
86 | assert(data); | |
87 | assert(field); | |
88 | assert(target); | |
55d7bfc1 LP |
89 | |
90 | fl = strlen(field); | |
91 | if (length < fl) | |
92 | return 0; | |
93 | ||
94 | if (memcmp(data, field, fl)) | |
95 | return 0; | |
96 | ||
97 | nl = length - fl; | |
d813d7a3 | 98 | buf = new(char, nl+1); |
0d0f0c50 SL |
99 | if (!buf) |
100 | return log_oom(); | |
55d7bfc1 | 101 | |
46b0d922 | 102 | memcpy(buf, (const char*) data + fl, nl); |
d813d7a3 | 103 | buf[nl] = 0; |
46b0d922 | 104 | |
6c1e6b98 | 105 | free(*target); |
55d7bfc1 | 106 | *target = buf; |
d813d7a3 LP |
107 | |
108 | if (target_size) | |
109 | *target_size = nl; | |
55d7bfc1 LP |
110 | |
111 | return 1; | |
112 | } | |
113 | ||
08ace05b LP |
114 | static bool shall_print(const char *p, size_t l, OutputFlags flags) { |
115 | assert(p); | |
116 | ||
117 | if (flags & OUTPUT_SHOW_ALL) | |
55d7bfc1 LP |
118 | return true; |
119 | ||
a6f0104a | 120 | if (l >= PRINT_CHAR_THRESHOLD) |
55d7bfc1 LP |
121 | return false; |
122 | ||
31f7bf19 | 123 | if (!utf8_is_printable(p, l)) |
55d7bfc1 LP |
124 | return false; |
125 | ||
126 | return true; | |
127 | } | |
128 | ||
00f117a5 | 129 | static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputFlags flags, int priority, const char* message, size_t message_len) { |
31f7bf19 ZJS |
130 | const char *color_on = "", *color_off = ""; |
131 | const char *pos, *end; | |
94e0bd7d | 132 | bool ellipsized = false; |
a6f0104a | 133 | int line = 0; |
31f7bf19 ZJS |
134 | |
135 | if (flags & OUTPUT_COLOR) { | |
136 | if (priority <= LOG_ERR) { | |
1fc464f6 LP |
137 | color_on = ANSI_HIGHLIGHT_RED; |
138 | color_off = ANSI_NORMAL; | |
31f7bf19 | 139 | } else if (priority <= LOG_NOTICE) { |
1fc464f6 LP |
140 | color_on = ANSI_HIGHLIGHT; |
141 | color_off = ANSI_NORMAL; | |
31f7bf19 ZJS |
142 | } |
143 | } | |
144 | ||
47d80904 UU |
145 | /* A special case: make sure that we print a newline when |
146 | the message is empty. */ | |
147 | if (message_len == 0) | |
148 | fputs("\n", f); | |
149 | ||
a6f0104a ZJS |
150 | for (pos = message; |
151 | pos < message + message_len; | |
152 | pos = end + 1, line++) { | |
153 | bool continuation = line > 0; | |
154 | bool tail_line; | |
31f7bf19 ZJS |
155 | int len; |
156 | for (end = pos; end < message + message_len && *end != '\n'; end++) | |
157 | ; | |
158 | len = end - pos; | |
159 | assert(len >= 0); | |
160 | ||
2526d626 | 161 | /* We need to figure out when we are showing not-last line, *and* |
a6f0104a ZJS |
162 | * will skip subsequent lines. In that case, we will put the dots |
163 | * at the end of the line, instead of putting dots in the middle | |
164 | * or not at all. | |
165 | */ | |
166 | tail_line = | |
167 | line + 1 == PRINT_LINE_THRESHOLD || | |
2526d626 | 168 | end + 1 >= message + PRINT_CHAR_THRESHOLD; |
a6f0104a ZJS |
169 | |
170 | if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) || | |
171 | (prefix + len + 1 < n_columns && !tail_line)) { | |
31f7bf19 ZJS |
172 | fprintf(f, "%*s%s%.*s%s\n", |
173 | continuation * prefix, "", | |
174 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
175 | continue; |
176 | } | |
31f7bf19 | 177 | |
a6f0104a ZJS |
178 | /* Beyond this point, ellipsization will happen. */ |
179 | ellipsized = true; | |
31f7bf19 | 180 | |
a6f0104a ZJS |
181 | if (prefix < n_columns && n_columns - prefix >= 3) { |
182 | if (n_columns - prefix > (unsigned) len + 3) | |
183 | fprintf(f, "%*s%s%.*s...%s\n", | |
b4b02cbe ZJS |
184 | continuation * prefix, "", |
185 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
186 | else { |
187 | _cleanup_free_ char *e; | |
188 | ||
189 | e = ellipsize_mem(pos, len, n_columns - prefix, | |
190 | tail_line ? 100 : 90); | |
191 | if (!e) | |
192 | fprintf(f, "%*s%s%.*s%s\n", | |
193 | continuation * prefix, "", | |
194 | color_on, len, pos, color_off); | |
195 | else | |
196 | fprintf(f, "%*s%s%s%s\n", | |
197 | continuation * prefix, "", | |
198 | color_on, e, color_off); | |
199 | } | |
200 | } else | |
31f7bf19 ZJS |
201 | fputs("...\n", f); |
202 | ||
a6f0104a ZJS |
203 | if (tail_line) |
204 | break; | |
31f7bf19 | 205 | } |
94e0bd7d ZJS |
206 | |
207 | return ellipsized; | |
31f7bf19 ZJS |
208 | } |
209 | ||
29a753df LP |
210 | static int output_timestamp_monotonic(FILE *f, sd_journal *j, const char *monotonic) { |
211 | sd_id128_t boot_id; | |
212 | uint64_t t; | |
213 | int r; | |
214 | ||
215 | assert(f); | |
216 | assert(j); | |
217 | ||
218 | r = -ENXIO; | |
219 | if (monotonic) | |
220 | r = safe_atou64(monotonic, &t); | |
221 | if (r < 0) | |
222 | r = sd_journal_get_monotonic_usec(j, &t, &boot_id); | |
223 | if (r < 0) | |
224 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
225 | ||
226 | fprintf(f, "[%5llu.%06llu]", | |
227 | (unsigned long long) (t / USEC_PER_SEC), | |
228 | (unsigned long long) (t % USEC_PER_SEC)); | |
229 | ||
230 | return 1 + 5 + 1 + 6 + 1; | |
231 | } | |
232 | ||
233 | static int output_timestamp_realtime(FILE *f, sd_journal *j, OutputMode mode, OutputFlags flags, const char *realtime) { | |
234 | char buf[MAX(FORMAT_TIMESTAMP_MAX, 64)]; | |
235 | struct tm *(*gettime_r)(const time_t *, struct tm *); | |
236 | struct tm tm; | |
237 | uint64_t x; | |
238 | time_t t; | |
239 | int r; | |
240 | ||
241 | assert(f); | |
242 | assert(j); | |
243 | ||
244 | r = -ENXIO; | |
245 | if (realtime) | |
246 | r = safe_atou64(realtime, &x); | |
247 | if (r < 0) | |
248 | r = sd_journal_get_realtime_usec(j, &x); | |
249 | if (r < 0) | |
250 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
251 | ||
252 | if (mode == OUTPUT_SHORT_FULL) { | |
253 | const char *k; | |
254 | ||
255 | if (flags & OUTPUT_UTC) | |
256 | k = format_timestamp_utc(buf, sizeof(buf), x); | |
257 | else | |
258 | k = format_timestamp(buf, sizeof(buf), x); | |
259 | if (!k) { | |
260 | log_error("Failed to format timestamp."); | |
261 | return -EINVAL; | |
262 | } | |
263 | ||
264 | } else { | |
265 | gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r; | |
266 | t = (time_t) (x / USEC_PER_SEC); | |
267 | ||
268 | switch (mode) { | |
269 | ||
270 | case OUTPUT_SHORT_UNIX: | |
271 | xsprintf(buf, "%10llu.%06llu", (unsigned long long) t, (unsigned long long) (x % USEC_PER_SEC)); | |
272 | break; | |
273 | ||
274 | case OUTPUT_SHORT_ISO: | |
275 | if (strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm)) <= 0) { | |
276 | log_error("Failed for format ISO time"); | |
277 | return -EINVAL; | |
278 | } | |
279 | break; | |
280 | ||
281 | case OUTPUT_SHORT: | |
282 | case OUTPUT_SHORT_PRECISE: | |
283 | ||
284 | if (strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)) <= 0) { | |
285 | log_error("Failed to format syslog time"); | |
286 | return -EINVAL; | |
287 | } | |
288 | ||
289 | if (mode == OUTPUT_SHORT_PRECISE) { | |
290 | size_t k; | |
291 | ||
292 | assert(sizeof(buf) > strlen(buf)); | |
293 | k = sizeof(buf) - strlen(buf); | |
294 | ||
295 | r = snprintf(buf + strlen(buf), k, ".%06llu", (unsigned long long) (x % USEC_PER_SEC)); | |
296 | if (r <= 0 || (size_t) r >= k) { /* too long? */ | |
297 | log_error("Failed to format precise time"); | |
298 | return -EINVAL; | |
299 | } | |
300 | } | |
301 | break; | |
302 | ||
303 | default: | |
304 | assert_not_reached("Unknown time format"); | |
305 | } | |
306 | } | |
307 | ||
308 | fputs(buf, f); | |
309 | return (int) strlen(buf); | |
310 | } | |
311 | ||
08ace05b LP |
312 | static int output_short( |
313 | FILE *f, | |
314 | sd_journal *j, | |
315 | OutputMode mode, | |
316 | unsigned n_columns, | |
317 | OutputFlags flags) { | |
318 | ||
86aa7ba4 | 319 | int r; |
86aa7ba4 LP |
320 | const void *data; |
321 | size_t length; | |
322 | size_t n = 0; | |
08ace05b | 323 | _cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL; |
49826187 LP |
324 | size_t hostname_len = 0, identifier_len = 0, comm_len = 0, pid_len = 0, fake_pid_len = 0, message_len = 0, realtime_len = 0, monotonic_len = 0, priority_len = 0; |
325 | int p = LOG_INFO; | |
94e0bd7d | 326 | bool ellipsized = false; |
86aa7ba4 | 327 | |
08ace05b | 328 | assert(f); |
86aa7ba4 LP |
329 | assert(j); |
330 | ||
a6f0104a | 331 | /* Set the threshold to one bigger than the actual print |
69ab8088 | 332 | * threshold, so that if the line is actually longer than what |
a6f0104a ZJS |
333 | * we're willing to print, ellipsization will occur. This way |
334 | * we won't output a misleading line without any indication of | |
335 | * truncation. | |
336 | */ | |
337 | sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1); | |
93b73b06 | 338 | |
a72b6353 | 339 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
55d7bfc1 | 340 | |
49826187 LP |
341 | r = parse_field(data, length, "PRIORITY=", &priority, &priority_len); |
342 | if (r < 0) | |
08ace05b | 343 | return r; |
49826187 LP |
344 | else if (r > 0) |
345 | continue; | |
346 | ||
55d7bfc1 LP |
347 | r = parse_field(data, length, "_HOSTNAME=", &hostname, &hostname_len); |
348 | if (r < 0) | |
08ace05b | 349 | return r; |
55d7bfc1 LP |
350 | else if (r > 0) |
351 | continue; | |
352 | ||
4cd9a9d9 | 353 | r = parse_field(data, length, "SYSLOG_IDENTIFIER=", &identifier, &identifier_len); |
55d7bfc1 | 354 | if (r < 0) |
08ace05b | 355 | return r; |
55d7bfc1 LP |
356 | else if (r > 0) |
357 | continue; | |
358 | ||
359 | r = parse_field(data, length, "_COMM=", &comm, &comm_len); | |
360 | if (r < 0) | |
08ace05b | 361 | return r; |
55d7bfc1 LP |
362 | else if (r > 0) |
363 | continue; | |
364 | ||
365 | r = parse_field(data, length, "_PID=", &pid, &pid_len); | |
366 | if (r < 0) | |
08ace05b | 367 | return r; |
55d7bfc1 LP |
368 | else if (r > 0) |
369 | continue; | |
370 | ||
6c1e6b98 LP |
371 | r = parse_field(data, length, "SYSLOG_PID=", &fake_pid, &fake_pid_len); |
372 | if (r < 0) | |
08ace05b | 373 | return r; |
6c1e6b98 LP |
374 | else if (r > 0) |
375 | continue; | |
376 | ||
bf967366 LP |
377 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len); |
378 | if (r < 0) | |
08ace05b | 379 | return r; |
bf967366 LP |
380 | else if (r > 0) |
381 | continue; | |
382 | ||
383 | r = parse_field(data, length, "_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len); | |
384 | if (r < 0) | |
08ace05b | 385 | return r; |
bf967366 LP |
386 | else if (r > 0) |
387 | continue; | |
388 | ||
55d7bfc1 LP |
389 | r = parse_field(data, length, "MESSAGE=", &message, &message_len); |
390 | if (r < 0) | |
08ace05b | 391 | return r; |
55d7bfc1 | 392 | } |
d00f1d57 LP |
393 | if (r == -EBADMSG) { |
394 | log_debug_errno(r, "Skipping message we can't read: %m"); | |
395 | return 0; | |
396 | } | |
a72b6353 | 397 | if (r < 0) |
b56d608e | 398 | return log_error_errno(r, "Failed to get journal fields: %m"); |
a72b6353 | 399 | |
07d21025 LP |
400 | if (!message) { |
401 | log_debug("Skipping message without MESSAGE= field."); | |
08ace05b | 402 | return 0; |
07d21025 | 403 | } |
55d7bfc1 | 404 | |
e8bc0ea2 LP |
405 | if (!(flags & OUTPUT_SHOW_ALL)) |
406 | strip_tab_ansi(&message, &message_len); | |
407 | ||
49826187 LP |
408 | if (priority_len == 1 && *priority >= '0' && *priority <= '7') |
409 | p = *priority - '0'; | |
410 | ||
29a753df LP |
411 | if (mode == OUTPUT_SHORT_MONOTONIC) |
412 | r = output_timestamp_monotonic(f, j, monotonic); | |
413 | else | |
414 | r = output_timestamp_realtime(f, j, mode, flags, realtime); | |
415 | if (r < 0) | |
416 | return r; | |
417 | n += r; | |
86aa7ba4 | 418 | |
29a753df | 419 | if (flags & OUTPUT_NO_HOSTNAME) { |
991e274b | 420 | /* Suppress display of the hostname if this is requested. */ |
12104159 | 421 | hostname = mfree(hostname); |
991e274b LP |
422 | hostname_len = 0; |
423 | } | |
424 | ||
08ace05b LP |
425 | if (hostname && shall_print(hostname, hostname_len, flags)) { |
426 | fprintf(f, " %.*s", (int) hostname_len, hostname); | |
55d7bfc1 LP |
427 | n += hostname_len + 1; |
428 | } | |
429 | ||
08ace05b LP |
430 | if (identifier && shall_print(identifier, identifier_len, flags)) { |
431 | fprintf(f, " %.*s", (int) identifier_len, identifier); | |
4cd9a9d9 | 432 | n += identifier_len + 1; |
08ace05b LP |
433 | } else if (comm && shall_print(comm, comm_len, flags)) { |
434 | fprintf(f, " %.*s", (int) comm_len, comm); | |
55d7bfc1 | 435 | n += comm_len + 1; |
b5936820 | 436 | } else |
1248e840 | 437 | fputs(" unknown", f); |
86aa7ba4 | 438 | |
08ace05b LP |
439 | if (pid && shall_print(pid, pid_len, flags)) { |
440 | fprintf(f, "[%.*s]", (int) pid_len, pid); | |
55d7bfc1 | 441 | n += pid_len + 2; |
08ace05b LP |
442 | } else if (fake_pid && shall_print(fake_pid, fake_pid_len, flags)) { |
443 | fprintf(f, "[%.*s]", (int) fake_pid_len, fake_pid); | |
6c1e6b98 | 444 | n += fake_pid_len + 2; |
86aa7ba4 LP |
445 | } |
446 | ||
31f7bf19 | 447 | if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) { |
e6acda19 | 448 | char bytes[FORMAT_BYTES_MAX]; |
08ace05b | 449 | fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len)); |
31f7bf19 ZJS |
450 | } else { |
451 | fputs(": ", f); | |
94e0bd7d ZJS |
452 | ellipsized |= |
453 | print_multiline(f, n + 2, n_columns, flags, p, message, message_len); | |
31f7bf19 | 454 | } |
55d7bfc1 | 455 | |
d4205751 LP |
456 | if (flags & OUTPUT_CATALOG) |
457 | print_catalog(f, j); | |
458 | ||
94e0bd7d | 459 | return ellipsized; |
86aa7ba4 LP |
460 | } |
461 | ||
08ace05b LP |
462 | static int output_verbose( |
463 | FILE *f, | |
464 | sd_journal *j, | |
465 | OutputMode mode, | |
466 | unsigned n_columns, | |
467 | OutputFlags flags) { | |
468 | ||
86aa7ba4 LP |
469 | const void *data; |
470 | size_t length; | |
7fd1b19b | 471 | _cleanup_free_ char *cursor = NULL; |
d813d7a3 | 472 | uint64_t realtime = 0; |
f02d8367 | 473 | char ts[FORMAT_TIMESTAMP_MAX + 7]; |
86aa7ba4 LP |
474 | int r; |
475 | ||
08ace05b | 476 | assert(f); |
86aa7ba4 LP |
477 | assert(j); |
478 | ||
93b73b06 LP |
479 | sd_journal_set_data_threshold(j, 0); |
480 | ||
cf40f0be ZJS |
481 | r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length); |
482 | if (r == -ENOENT) | |
483 | log_debug("Source realtime timestamp not found"); | |
b56d608e LP |
484 | else if (r < 0) |
485 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get source realtime timestamp: %m"); | |
486 | else { | |
cf40f0be | 487 | _cleanup_free_ char *value = NULL; |
cf40f0be | 488 | |
d813d7a3 | 489 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &value, NULL); |
cf40f0be | 490 | if (r < 0) |
e64c53fd | 491 | return r; |
d813d7a3 LP |
492 | assert(r > 0); |
493 | ||
494 | r = safe_atou64(value, &realtime); | |
495 | if (r < 0) | |
496 | log_debug_errno(r, "Failed to parse realtime timestamp: %m"); | |
cf40f0be ZJS |
497 | } |
498 | ||
499 | if (r < 0) { | |
500 | r = sd_journal_get_realtime_usec(j, &realtime); | |
b56d608e LP |
501 | if (r < 0) |
502 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
503 | } |
504 | ||
505 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
506 | if (r < 0) |
507 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 508 | |
08ace05b | 509 | fprintf(f, "%s [%s]\n", |
5ab99e07 LP |
510 | flags & OUTPUT_UTC ? |
511 | format_timestamp_us_utc(ts, sizeof(ts), realtime) : | |
512 | format_timestamp_us(ts, sizeof(ts), realtime), | |
08ace05b | 513 | cursor); |
86aa7ba4 | 514 | |
a72b6353 | 515 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
31f7bf19 ZJS |
516 | const char *c; |
517 | int fieldlen; | |
7ac4fa7e ZJS |
518 | const char *on = "", *off = ""; |
519 | ||
31f7bf19 ZJS |
520 | c = memchr(data, '=', length); |
521 | if (!c) { | |
522 | log_error("Invalid field."); | |
523 | return -EINVAL; | |
524 | } | |
525 | fieldlen = c - (const char*) data; | |
86aa7ba4 | 526 | |
7ac4fa7e | 527 | if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) { |
1fc464f6 LP |
528 | on = ANSI_HIGHLIGHT; |
529 | off = ANSI_NORMAL; | |
7ac4fa7e ZJS |
530 | } |
531 | ||
8980058a | 532 | if ((flags & OUTPUT_SHOW_ALL) || |
a6f0104a ZJS |
533 | (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH) |
534 | && utf8_is_printable(data, length))) { | |
7ac4fa7e | 535 | fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data); |
31f7bf19 | 536 | print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1); |
7ac4fa7e | 537 | fputs(off, f); |
31f7bf19 ZJS |
538 | } else { |
539 | char bytes[FORMAT_BYTES_MAX]; | |
86aa7ba4 | 540 | |
7ac4fa7e ZJS |
541 | fprintf(f, " %s%.*s=[%s blob data]%s\n", |
542 | on, | |
31f7bf19 ZJS |
543 | (int) (c - (const char*) data), |
544 | (const char*) data, | |
7ac4fa7e ZJS |
545 | format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1), |
546 | off); | |
31f7bf19 | 547 | } |
86aa7ba4 LP |
548 | } |
549 | ||
a72b6353 ZJS |
550 | if (r < 0) |
551 | return r; | |
552 | ||
d4205751 LP |
553 | if (flags & OUTPUT_CATALOG) |
554 | print_catalog(f, j); | |
555 | ||
86aa7ba4 LP |
556 | return 0; |
557 | } | |
558 | ||
08ace05b LP |
559 | static int output_export( |
560 | FILE *f, | |
561 | sd_journal *j, | |
562 | OutputMode mode, | |
563 | unsigned n_columns, | |
564 | OutputFlags flags) { | |
565 | ||
86aa7ba4 LP |
566 | sd_id128_t boot_id; |
567 | char sid[33]; | |
568 | int r; | |
569 | usec_t realtime, monotonic; | |
7fd1b19b | 570 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
571 | const void *data; |
572 | size_t length; | |
573 | ||
574 | assert(j); | |
575 | ||
93b73b06 LP |
576 | sd_journal_set_data_threshold(j, 0); |
577 | ||
86aa7ba4 | 578 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
579 | if (r < 0) |
580 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
581 | |
582 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
583 | if (r < 0) |
584 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
585 | |
586 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
587 | if (r < 0) |
588 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 589 | |
08ace05b LP |
590 | fprintf(f, |
591 | "__CURSOR=%s\n" | |
de0671ee ZJS |
592 | "__REALTIME_TIMESTAMP="USEC_FMT"\n" |
593 | "__MONOTONIC_TIMESTAMP="USEC_FMT"\n" | |
08ace05b LP |
594 | "_BOOT_ID=%s\n", |
595 | cursor, | |
de0671ee ZJS |
596 | realtime, |
597 | monotonic, | |
08ace05b | 598 | sd_id128_to_string(boot_id, sid)); |
86aa7ba4 | 599 | |
a72b6353 | 600 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
86aa7ba4 | 601 | |
112301ae LP |
602 | /* We already printed the boot id, from the data in |
603 | * the header, hence let's suppress it here */ | |
604 | if (length >= 9 && | |
2a0e0692 | 605 | startswith(data, "_BOOT_ID=")) |
112301ae LP |
606 | continue; |
607 | ||
0ade5ffe ZJS |
608 | if (utf8_is_printable_newline(data, length, false)) |
609 | fwrite(data, length, 1, f); | |
610 | else { | |
86aa7ba4 LP |
611 | const char *c; |
612 | uint64_t le64; | |
613 | ||
614 | c = memchr(data, '=', length); | |
615 | if (!c) { | |
616 | log_error("Invalid field."); | |
617 | return -EINVAL; | |
618 | } | |
619 | ||
08ace05b LP |
620 | fwrite(data, c - (const char*) data, 1, f); |
621 | fputc('\n', f); | |
86aa7ba4 | 622 | le64 = htole64(length - (c - (const char*) data) - 1); |
08ace05b LP |
623 | fwrite(&le64, sizeof(le64), 1, f); |
624 | fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f); | |
0ade5ffe | 625 | } |
86aa7ba4 | 626 | |
08ace05b | 627 | fputc('\n', f); |
86aa7ba4 LP |
628 | } |
629 | ||
a72b6353 ZJS |
630 | if (r < 0) |
631 | return r; | |
632 | ||
08ace05b | 633 | fputc('\n', f); |
86aa7ba4 LP |
634 | |
635 | return 0; | |
636 | } | |
637 | ||
240a5fe8 | 638 | void json_escape( |
08ace05b LP |
639 | FILE *f, |
640 | const char* p, | |
641 | size_t l, | |
642 | OutputFlags flags) { | |
643 | ||
644 | assert(f); | |
645 | assert(p); | |
646 | ||
93b73b06 | 647 | if (!(flags & OUTPUT_SHOW_ALL) && l >= JSON_THRESHOLD) |
08ace05b LP |
648 | fputs("null", f); |
649 | ||
8980058a | 650 | else if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(p, l)) { |
86aa7ba4 LP |
651 | bool not_first = false; |
652 | ||
08ace05b | 653 | fputs("[ ", f); |
86aa7ba4 LP |
654 | |
655 | while (l > 0) { | |
656 | if (not_first) | |
08ace05b | 657 | fprintf(f, ", %u", (uint8_t) *p); |
86aa7ba4 LP |
658 | else { |
659 | not_first = true; | |
08ace05b | 660 | fprintf(f, "%u", (uint8_t) *p); |
86aa7ba4 LP |
661 | } |
662 | ||
663 | p++; | |
664 | l--; | |
665 | } | |
666 | ||
08ace05b | 667 | fputs(" ]", f); |
86aa7ba4 | 668 | } else { |
08ace05b | 669 | fputc('\"', f); |
86aa7ba4 LP |
670 | |
671 | while (l > 0) { | |
672 | if (*p == '"' || *p == '\\') { | |
08ace05b LP |
673 | fputc('\\', f); |
674 | fputc(*p, f); | |
31f7bf19 ZJS |
675 | } else if (*p == '\n') |
676 | fputs("\\n", f); | |
91a8a108 DM |
677 | else if ((uint8_t) *p < ' ') |
678 | fprintf(f, "\\u%04x", (uint8_t) *p); | |
08ace05b LP |
679 | else |
680 | fputc(*p, f); | |
86aa7ba4 LP |
681 | |
682 | p++; | |
683 | l--; | |
684 | } | |
685 | ||
08ace05b | 686 | fputc('\"', f); |
86aa7ba4 LP |
687 | } |
688 | } | |
689 | ||
08ace05b LP |
690 | static int output_json( |
691 | FILE *f, | |
692 | sd_journal *j, | |
693 | OutputMode mode, | |
694 | unsigned n_columns, | |
695 | OutputFlags flags) { | |
696 | ||
86aa7ba4 | 697 | uint64_t realtime, monotonic; |
7fd1b19b | 698 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
699 | const void *data; |
700 | size_t length; | |
701 | sd_id128_t boot_id; | |
2e729834 | 702 | char sid[33], *k; |
86aa7ba4 | 703 | int r; |
d99ae53a LP |
704 | Hashmap *h = NULL; |
705 | bool done, separator; | |
86aa7ba4 LP |
706 | |
707 | assert(j); | |
708 | ||
93b73b06 LP |
709 | sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD); |
710 | ||
86aa7ba4 | 711 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
712 | if (r < 0) |
713 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
714 | |
715 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
716 | if (r < 0) |
717 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
718 | |
719 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
720 | if (r < 0) |
721 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 722 | |
a6e87e90 | 723 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b LP |
724 | fprintf(f, |
725 | "{\n" | |
726 | "\t\"__CURSOR\" : \"%s\",\n" | |
de0671ee ZJS |
727 | "\t\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\",\n" |
728 | "\t\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\",\n" | |
08ace05b LP |
729 | "\t\"_BOOT_ID\" : \"%s\"", |
730 | cursor, | |
de0671ee ZJS |
731 | realtime, |
732 | monotonic, | |
08ace05b | 733 | sd_id128_to_string(boot_id, sid)); |
48383c25 LP |
734 | else { |
735 | if (mode == OUTPUT_JSON_SSE) | |
736 | fputs("data: ", f); | |
737 | ||
08ace05b LP |
738 | fprintf(f, |
739 | "{ \"__CURSOR\" : \"%s\", " | |
de0671ee ZJS |
740 | "\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\", " |
741 | "\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\", " | |
08ace05b LP |
742 | "\"_BOOT_ID\" : \"%s\"", |
743 | cursor, | |
de0671ee ZJS |
744 | realtime, |
745 | monotonic, | |
08ace05b | 746 | sd_id128_to_string(boot_id, sid)); |
48383c25 | 747 | } |
86aa7ba4 | 748 | |
d5099efc | 749 | h = hashmap_new(&string_hash_ops); |
d99ae53a | 750 | if (!h) |
b56d608e | 751 | return log_oom(); |
d99ae53a LP |
752 | |
753 | /* First round, iterate through the entry and count how often each field appears */ | |
a72b6353 | 754 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
d99ae53a LP |
755 | const char *eq; |
756 | char *n; | |
757 | unsigned u; | |
86aa7ba4 | 758 | |
112301ae LP |
759 | if (length >= 9 && |
760 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
761 | continue; | |
762 | ||
d99ae53a LP |
763 | eq = memchr(data, '=', length); |
764 | if (!eq) | |
765 | continue; | |
86aa7ba4 | 766 | |
d99ae53a LP |
767 | n = strndup(data, eq - (const char*) data); |
768 | if (!n) { | |
b56d608e | 769 | r = log_oom(); |
d99ae53a LP |
770 | goto finish; |
771 | } | |
a6e87e90 | 772 | |
d99ae53a LP |
773 | u = PTR_TO_UINT(hashmap_get(h, n)); |
774 | if (u == 0) { | |
775 | r = hashmap_put(h, n, UINT_TO_PTR(1)); | |
776 | if (r < 0) { | |
777 | free(n); | |
b56d608e | 778 | log_oom(); |
d99ae53a LP |
779 | goto finish; |
780 | } | |
781 | } else { | |
782 | r = hashmap_update(h, n, UINT_TO_PTR(u + 1)); | |
783 | free(n); | |
b56d608e LP |
784 | if (r < 0) { |
785 | log_oom(); | |
d99ae53a | 786 | goto finish; |
b56d608e | 787 | } |
d99ae53a | 788 | } |
86aa7ba4 LP |
789 | } |
790 | ||
a72b6353 ZJS |
791 | if (r < 0) |
792 | return r; | |
793 | ||
d99ae53a LP |
794 | separator = true; |
795 | do { | |
796 | done = true; | |
797 | ||
798 | SD_JOURNAL_FOREACH_DATA(j, data, length) { | |
799 | const char *eq; | |
800 | char *kk, *n; | |
801 | size_t m; | |
802 | unsigned u; | |
803 | ||
804 | /* We already printed the boot id, from the data in | |
805 | * the header, hence let's suppress it here */ | |
806 | if (length >= 9 && | |
807 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
808 | continue; | |
809 | ||
810 | eq = memchr(data, '=', length); | |
811 | if (!eq) | |
812 | continue; | |
813 | ||
814 | if (separator) { | |
815 | if (mode == OUTPUT_JSON_PRETTY) | |
816 | fputs(",\n\t", f); | |
817 | else | |
818 | fputs(", ", f); | |
819 | } | |
820 | ||
821 | m = eq - (const char*) data; | |
822 | ||
823 | n = strndup(data, m); | |
824 | if (!n) { | |
b56d608e | 825 | r = log_oom(); |
d99ae53a LP |
826 | goto finish; |
827 | } | |
828 | ||
829 | u = PTR_TO_UINT(hashmap_get2(h, n, (void**) &kk)); | |
830 | if (u == 0) { | |
831 | /* We already printed this, let's jump to the next */ | |
832 | free(n); | |
833 | separator = false; | |
834 | ||
835 | continue; | |
836 | } else if (u == 1) { | |
837 | /* Field only appears once, output it directly */ | |
838 | ||
839 | json_escape(f, data, m, flags); | |
840 | fputs(" : ", f); | |
841 | ||
842 | json_escape(f, eq + 1, length - m - 1, flags); | |
843 | ||
844 | hashmap_remove(h, n); | |
845 | free(kk); | |
846 | free(n); | |
847 | ||
848 | separator = true; | |
849 | ||
850 | continue; | |
851 | ||
852 | } else { | |
853 | /* Field appears multiple times, output it as array */ | |
854 | json_escape(f, data, m, flags); | |
855 | fputs(" : [ ", f); | |
856 | json_escape(f, eq + 1, length - m - 1, flags); | |
857 | ||
858 | /* Iterate through the end of the list */ | |
859 | ||
860 | while (sd_journal_enumerate_data(j, &data, &length) > 0) { | |
861 | if (length < m + 1) | |
862 | continue; | |
863 | ||
864 | if (memcmp(data, n, m) != 0) | |
865 | continue; | |
866 | ||
867 | if (((const char*) data)[m] != '=') | |
868 | continue; | |
869 | ||
870 | fputs(", ", f); | |
871 | json_escape(f, (const char*) data + m + 1, length - m - 1, flags); | |
872 | } | |
873 | ||
874 | fputs(" ]", f); | |
875 | ||
876 | hashmap_remove(h, n); | |
877 | free(kk); | |
878 | free(n); | |
879 | ||
880 | /* Iterate data fields form the beginning */ | |
881 | done = false; | |
882 | separator = true; | |
883 | ||
884 | break; | |
885 | } | |
886 | } | |
887 | ||
888 | } while (!done); | |
889 | ||
a6e87e90 | 890 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b | 891 | fputs("\n}\n", f); |
48383c25 LP |
892 | else if (mode == OUTPUT_JSON_SSE) |
893 | fputs("}\n\n", f); | |
a6e87e90 | 894 | else |
08ace05b | 895 | fputs(" }\n", f); |
86aa7ba4 | 896 | |
d99ae53a LP |
897 | r = 0; |
898 | ||
899 | finish: | |
900 | while ((k = hashmap_steal_first_key(h))) | |
901 | free(k); | |
902 | ||
903 | hashmap_free(h); | |
904 | ||
905 | return r; | |
86aa7ba4 LP |
906 | } |
907 | ||
08ace05b LP |
908 | static int output_cat( |
909 | FILE *f, | |
910 | sd_journal *j, | |
911 | OutputMode mode, | |
912 | unsigned n_columns, | |
913 | OutputFlags flags) { | |
914 | ||
d3f2bdbf LP |
915 | const void *data; |
916 | size_t l; | |
917 | int r; | |
918 | ||
919 | assert(j); | |
08ace05b | 920 | assert(f); |
d3f2bdbf | 921 | |
93b73b06 LP |
922 | sd_journal_set_data_threshold(j, 0); |
923 | ||
d3f2bdbf LP |
924 | r = sd_journal_get_data(j, "MESSAGE", &data, &l); |
925 | if (r < 0) { | |
c198300f LP |
926 | /* An entry without MESSAGE=? */ |
927 | if (r == -ENOENT) | |
928 | return 0; | |
929 | ||
8d3d7072 | 930 | return log_error_errno(r, "Failed to get data: %m"); |
d3f2bdbf LP |
931 | } |
932 | ||
933 | assert(l >= 8); | |
934 | ||
08ace05b LP |
935 | fwrite((const char*) data + 8, 1, l - 8, f); |
936 | fputc('\n', f); | |
d3f2bdbf LP |
937 | |
938 | return 0; | |
939 | } | |
940 | ||
08ace05b LP |
941 | static int (*output_funcs[_OUTPUT_MODE_MAX])( |
942 | FILE *f, | |
943 | sd_journal*j, | |
944 | OutputMode mode, | |
945 | unsigned n_columns, | |
946 | OutputFlags flags) = { | |
947 | ||
a6e87e90 | 948 | [OUTPUT_SHORT] = output_short, |
44bc6e1f | 949 | [OUTPUT_SHORT_ISO] = output_short, |
f02d8367 ZJS |
950 | [OUTPUT_SHORT_PRECISE] = output_short, |
951 | [OUTPUT_SHORT_MONOTONIC] = output_short, | |
bb321ed9 | 952 | [OUTPUT_SHORT_UNIX] = output_short, |
29a753df | 953 | [OUTPUT_SHORT_FULL] = output_short, |
86aa7ba4 LP |
954 | [OUTPUT_VERBOSE] = output_verbose, |
955 | [OUTPUT_EXPORT] = output_export, | |
d3f2bdbf | 956 | [OUTPUT_JSON] = output_json, |
a6e87e90 | 957 | [OUTPUT_JSON_PRETTY] = output_json, |
48383c25 | 958 | [OUTPUT_JSON_SSE] = output_json, |
d3f2bdbf | 959 | [OUTPUT_CAT] = output_cat |
86aa7ba4 LP |
960 | }; |
961 | ||
08ace05b LP |
962 | int output_journal( |
963 | FILE *f, | |
964 | sd_journal *j, | |
965 | OutputMode mode, | |
966 | unsigned n_columns, | |
94e0bd7d ZJS |
967 | OutputFlags flags, |
968 | bool *ellipsized) { | |
08ace05b | 969 | |
e268b81e | 970 | int ret; |
df50185b | 971 | assert(mode >= 0); |
86aa7ba4 LP |
972 | assert(mode < _OUTPUT_MODE_MAX); |
973 | ||
34a35ece LP |
974 | if (n_columns <= 0) |
975 | n_columns = columns(); | |
976 | ||
08ace05b | 977 | ret = output_funcs[mode](f, j, mode, n_columns, flags); |
e268b81e | 978 | fflush(stdout); |
94e0bd7d ZJS |
979 | |
980 | if (ellipsized && ret > 0) | |
981 | *ellipsized = true; | |
982 | ||
e268b81e | 983 | return ret; |
86aa7ba4 LP |
984 | } |
985 | ||
ea6c2dd1 LP |
986 | static int maybe_print_begin_newline(FILE *f, OutputFlags *flags) { |
987 | assert(f); | |
988 | assert(flags); | |
989 | ||
990 | if (!(*flags & OUTPUT_BEGIN_NEWLINE)) | |
991 | return 0; | |
992 | ||
993 | /* Print a beginning new line if that's request, but only once | |
994 | * on the first line we print. */ | |
995 | ||
996 | fputc('\n', f); | |
997 | *flags &= ~OUTPUT_BEGIN_NEWLINE; | |
998 | return 0; | |
999 | } | |
1000 | ||
1a6c43e9 MT |
1001 | static int show_journal(FILE *f, |
1002 | sd_journal *j, | |
1003 | OutputMode mode, | |
1004 | unsigned n_columns, | |
1005 | usec_t not_before, | |
1006 | unsigned how_many, | |
94e0bd7d ZJS |
1007 | OutputFlags flags, |
1008 | bool *ellipsized) { | |
86aa7ba4 | 1009 | |
86aa7ba4 | 1010 | int r; |
df50185b LP |
1011 | unsigned line = 0; |
1012 | bool need_seek = false; | |
085d7120 | 1013 | int warn_cutoff = flags & OUTPUT_WARN_CUTOFF; |
86aa7ba4 | 1014 | |
1a6c43e9 | 1015 | assert(j); |
df50185b LP |
1016 | assert(mode >= 0); |
1017 | assert(mode < _OUTPUT_MODE_MAX); | |
1946b0bd LP |
1018 | |
1019 | /* Seek to end */ | |
86aa7ba4 LP |
1020 | r = sd_journal_seek_tail(j); |
1021 | if (r < 0) | |
b56d608e | 1022 | return log_error_errno(r, "Failed to seek to tail: %m"); |
86aa7ba4 | 1023 | |
df50185b LP |
1024 | r = sd_journal_previous_skip(j, how_many); |
1025 | if (r < 0) | |
b56d608e | 1026 | return log_error_errno(r, "Failed to skip previous: %m"); |
86aa7ba4 | 1027 | |
df50185b LP |
1028 | for (;;) { |
1029 | for (;;) { | |
1030 | usec_t usec; | |
1031 | ||
1032 | if (need_seek) { | |
1033 | r = sd_journal_next(j); | |
1034 | if (r < 0) | |
b56d608e | 1035 | return log_error_errno(r, "Failed to iterate through journal: %m"); |
df50185b LP |
1036 | } |
1037 | ||
1038 | if (r == 0) | |
1039 | break; | |
86aa7ba4 | 1040 | |
df50185b LP |
1041 | need_seek = true; |
1042 | ||
1043 | if (not_before > 0) { | |
1044 | r = sd_journal_get_monotonic_usec(j, &usec, NULL); | |
1045 | ||
1046 | /* -ESTALE is returned if the | |
1047 | timestamp is not from this boot */ | |
1048 | if (r == -ESTALE) | |
1049 | continue; | |
1050 | else if (r < 0) | |
b56d608e | 1051 | return log_error_errno(r, "Failed to get journal time: %m"); |
df50185b LP |
1052 | |
1053 | if (usec < not_before) | |
1054 | continue; | |
1055 | } | |
1056 | ||
313cefa1 | 1057 | line++; |
ea6c2dd1 | 1058 | maybe_print_begin_newline(f, &flags); |
df50185b | 1059 | |
94e0bd7d | 1060 | r = output_journal(f, j, mode, n_columns, flags, ellipsized); |
df50185b | 1061 | if (r < 0) |
b56d608e | 1062 | return r; |
df50185b LP |
1063 | } |
1064 | ||
08984293 LP |
1065 | if (warn_cutoff && line < how_many && not_before > 0) { |
1066 | sd_id128_t boot_id; | |
a7f7d1bd | 1067 | usec_t cutoff = 0; |
08984293 LP |
1068 | |
1069 | /* Check whether the cutoff line is too early */ | |
1070 | ||
1071 | r = sd_id128_get_boot(&boot_id); | |
1072 | if (r < 0) | |
b56d608e | 1073 | return log_error_errno(r, "Failed to get boot id: %m"); |
08984293 LP |
1074 | |
1075 | r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL); | |
1076 | if (r < 0) | |
b56d608e | 1077 | return log_error_errno(r, "Failed to get journal cutoff time: %m"); |
08984293 | 1078 | |
ea6c2dd1 LP |
1079 | if (r > 0 && not_before < cutoff) { |
1080 | maybe_print_begin_newline(f, &flags); | |
08ace05b | 1081 | fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n"); |
ea6c2dd1 | 1082 | } |
08984293 LP |
1083 | |
1084 | warn_cutoff = false; | |
1085 | } | |
1086 | ||
085d7120 | 1087 | if (!(flags & OUTPUT_FOLLOW)) |
86aa7ba4 LP |
1088 | break; |
1089 | ||
3a43da28 | 1090 | r = sd_journal_wait(j, USEC_INFINITY); |
df50185b | 1091 | if (r < 0) |
b56d608e | 1092 | return log_error_errno(r, "Failed to wait for journal: %m"); |
df50185b | 1093 | |
86aa7ba4 LP |
1094 | } |
1095 | ||
b56d608e | 1096 | return 0; |
1a6c43e9 MT |
1097 | } |
1098 | ||
886a64fe | 1099 | int add_matches_for_unit(sd_journal *j, const char *unit) { |
2b45d881 | 1100 | const char *m1, *m2, *m3, *m4; |
1a6c43e9 MT |
1101 | int r; |
1102 | ||
886a64fe | 1103 | assert(j); |
1a6c43e9 MT |
1104 | assert(unit); |
1105 | ||
63c372cb LP |
1106 | m1 = strjoina("_SYSTEMD_UNIT=", unit); |
1107 | m2 = strjoina("COREDUMP_UNIT=", unit); | |
1108 | m3 = strjoina("UNIT=", unit); | |
1109 | m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit); | |
1a6c43e9 | 1110 | |
886a64fe ZJS |
1111 | (void)( |
1112 | /* Look for messages from the service itself */ | |
1113 | (r = sd_journal_add_match(j, m1, 0)) || | |
1114 | ||
1115 | /* Look for coredumps of the service */ | |
1116 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df ZJS |
1117 | (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) || |
1118 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
886a64fe ZJS |
1119 | (r = sd_journal_add_match(j, m2, 0)) || |
1120 | ||
1121 | /* Look for messages from PID 1 about this service */ | |
1122 | (r = sd_journal_add_disjunction(j)) || | |
1123 | (r = sd_journal_add_match(j, "_PID=1", 0)) || | |
2d0b2e87 ZJS |
1124 | (r = sd_journal_add_match(j, m3, 0)) || |
1125 | ||
1126 | /* Look for messages from authorized daemons about this service */ | |
1127 | (r = sd_journal_add_disjunction(j)) || | |
1128 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1129 | (r = sd_journal_add_match(j, m4, 0)) | |
886a64fe | 1130 | ); |
2d0b2e87 | 1131 | |
69ae3ee0 | 1132 | if (r == 0 && endswith(unit, ".slice")) { |
2b45d881 LP |
1133 | const char *m5; |
1134 | ||
1135 | m5 = strjoina("_SYSTEMD_SLICE=", unit); | |
69ae3ee0 ZJS |
1136 | |
1137 | /* Show all messages belonging to a slice */ | |
1138 | (void)( | |
1139 | (r = sd_journal_add_disjunction(j)) || | |
1140 | (r = sd_journal_add_match(j, m5, 0)) | |
1141 | ); | |
1142 | } | |
1143 | ||
886a64fe ZJS |
1144 | return r; |
1145 | } | |
1a6c43e9 | 1146 | |
886a64fe ZJS |
1147 | int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { |
1148 | int r; | |
2d0b2e87 ZJS |
1149 | char *m1, *m2, *m3, *m4; |
1150 | char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; | |
1a6c43e9 | 1151 | |
886a64fe ZJS |
1152 | assert(j); |
1153 | assert(unit); | |
1a6c43e9 | 1154 | |
63c372cb LP |
1155 | m1 = strjoina("_SYSTEMD_USER_UNIT=", unit); |
1156 | m2 = strjoina("USER_UNIT=", unit); | |
1157 | m3 = strjoina("COREDUMP_USER_UNIT=", unit); | |
1158 | m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit); | |
de0671ee | 1159 | sprintf(muid, "_UID="UID_FMT, uid); |
1a6c43e9 | 1160 | |
886a64fe ZJS |
1161 | (void) ( |
1162 | /* Look for messages from the user service itself */ | |
1163 | (r = sd_journal_add_match(j, m1, 0)) || | |
2d0b2e87 | 1164 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1165 | |
1166 | /* Look for messages from systemd about this service */ | |
1167 | (r = sd_journal_add_disjunction(j)) || | |
1168 | (r = sd_journal_add_match(j, m2, 0)) || | |
2d0b2e87 | 1169 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1170 | |
1171 | /* Look for coredumps of the service */ | |
1172 | (r = sd_journal_add_disjunction(j)) || | |
1173 | (r = sd_journal_add_match(j, m3, 0)) || | |
2d0b2e87 ZJS |
1174 | (r = sd_journal_add_match(j, muid, 0)) || |
1175 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1176 | ||
1177 | /* Look for messages from authorized daemons about this service */ | |
1178 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df | 1179 | (r = sd_journal_add_match(j, m4, 0)) || |
2d0b2e87 | 1180 | (r = sd_journal_add_match(j, muid, 0)) || |
fdcd37df | 1181 | (r = sd_journal_add_match(j, "_UID=0", 0)) |
886a64fe | 1182 | ); |
69ae3ee0 ZJS |
1183 | |
1184 | if (r == 0 && endswith(unit, ".slice")) { | |
2b45d881 LP |
1185 | const char *m5; |
1186 | ||
1187 | m5 = strjoina("_SYSTEMD_SLICE=", unit); | |
69ae3ee0 ZJS |
1188 | |
1189 | /* Show all messages belonging to a slice */ | |
1190 | (void)( | |
1191 | (r = sd_journal_add_disjunction(j)) || | |
1192 | (r = sd_journal_add_match(j, m5, 0)) || | |
1193 | (r = sd_journal_add_match(j, muid, 0)) | |
1194 | ); | |
1195 | } | |
1196 | ||
1a6c43e9 MT |
1197 | return r; |
1198 | } | |
1199 | ||
b6741478 | 1200 | static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) { |
3d94f76c | 1201 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; |
a4475f57 | 1202 | _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; |
b6741478 LP |
1203 | pid_t pid, child; |
1204 | siginfo_t si; | |
1205 | char buf[37]; | |
1206 | ssize_t k; | |
1207 | int r; | |
1208 | ||
1209 | assert(machine); | |
1210 | assert(boot_id); | |
1211 | ||
affcf189 | 1212 | if (!machine_name_is_valid(machine)) |
b6741478 LP |
1213 | return -EINVAL; |
1214 | ||
e04b0cdb | 1215 | r = container_get_leader(machine, &pid); |
b6741478 LP |
1216 | if (r < 0) |
1217 | return r; | |
e04b0cdb | 1218 | |
671c3419 | 1219 | r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, NULL, &rootfd); |
b6741478 LP |
1220 | if (r < 0) |
1221 | return r; | |
1222 | ||
e04b0cdb | 1223 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) |
b6741478 LP |
1224 | return -errno; |
1225 | ||
1226 | child = fork(); | |
1227 | if (child < 0) | |
1228 | return -errno; | |
1229 | ||
1230 | if (child == 0) { | |
1231 | int fd; | |
1232 | ||
03e334a1 | 1233 | pair[0] = safe_close(pair[0]); |
b6741478 | 1234 | |
671c3419 | 1235 | r = namespace_enter(pidnsfd, mntnsfd, -1, -1, rootfd); |
b6741478 LP |
1236 | if (r < 0) |
1237 | _exit(EXIT_FAILURE); | |
1238 | ||
1239 | fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1240 | if (fd < 0) | |
1241 | _exit(EXIT_FAILURE); | |
1242 | ||
a6dcc7e5 | 1243 | r = loop_read_exact(fd, buf, 36, false); |
03e334a1 | 1244 | safe_close(fd); |
6c767d1e | 1245 | if (r < 0) |
b6741478 LP |
1246 | _exit(EXIT_FAILURE); |
1247 | ||
e04b0cdb | 1248 | k = send(pair[1], buf, 36, MSG_NOSIGNAL); |
b6741478 LP |
1249 | if (k != 36) |
1250 | _exit(EXIT_FAILURE); | |
1251 | ||
1252 | _exit(EXIT_SUCCESS); | |
1253 | } | |
1254 | ||
03e334a1 | 1255 | pair[1] = safe_close(pair[1]); |
b6741478 | 1256 | |
b6741478 LP |
1257 | r = wait_for_terminate(child, &si); |
1258 | if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) | |
1259 | return r < 0 ? r : -EIO; | |
1260 | ||
fbadf045 LP |
1261 | k = recv(pair[0], buf, 36, 0); |
1262 | if (k != 36) | |
1263 | return -EIO; | |
1264 | ||
b6741478 LP |
1265 | buf[36] = 0; |
1266 | r = sd_id128_from_string(buf, boot_id); | |
1267 | if (r < 0) | |
1268 | return r; | |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | int add_match_this_boot(sd_journal *j, const char *machine) { | |
5ec76417 ZJS |
1274 | char match[9+32+1] = "_BOOT_ID="; |
1275 | sd_id128_t boot_id; | |
1276 | int r; | |
1277 | ||
1278 | assert(j); | |
1279 | ||
b6741478 LP |
1280 | if (machine) { |
1281 | r = get_boot_id_for_machine(machine, &boot_id); | |
f647962d MS |
1282 | if (r < 0) |
1283 | return log_error_errno(r, "Failed to get boot id of container %s: %m", machine); | |
b6741478 LP |
1284 | } else { |
1285 | r = sd_id128_get_boot(&boot_id); | |
f647962d MS |
1286 | if (r < 0) |
1287 | return log_error_errno(r, "Failed to get boot id: %m"); | |
5ec76417 ZJS |
1288 | } |
1289 | ||
1290 | sd_id128_to_string(boot_id, match + 9); | |
1291 | r = sd_journal_add_match(j, match, strlen(match)); | |
f647962d MS |
1292 | if (r < 0) |
1293 | return log_error_errno(r, "Failed to add match: %m"); | |
5ec76417 ZJS |
1294 | |
1295 | r = sd_journal_add_conjunction(j); | |
1296 | if (r < 0) | |
b56d608e | 1297 | return log_error_errno(r, "Failed to add conjunction: %m"); |
5ec76417 ZJS |
1298 | |
1299 | return 0; | |
1300 | } | |
1301 | ||
886a64fe | 1302 | int show_journal_by_unit( |
1a6c43e9 MT |
1303 | FILE *f, |
1304 | const char *unit, | |
1305 | OutputMode mode, | |
1306 | unsigned n_columns, | |
1307 | usec_t not_before, | |
1308 | unsigned how_many, | |
1309 | uid_t uid, | |
886a64fe | 1310 | OutputFlags flags, |
3c756001 LP |
1311 | int journal_open_flags, |
1312 | bool system_unit, | |
94e0bd7d | 1313 | bool *ellipsized) { |
1a6c43e9 | 1314 | |
4afd3348 | 1315 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
1a6c43e9 MT |
1316 | int r; |
1317 | ||
1318 | assert(mode >= 0); | |
1319 | assert(mode < _OUTPUT_MODE_MAX); | |
1320 | assert(unit); | |
1321 | ||
1a6c43e9 MT |
1322 | if (how_many <= 0) |
1323 | return 0; | |
1324 | ||
3c756001 | 1325 | r = sd_journal_open(&j, journal_open_flags); |
f9045468 | 1326 | if (r < 0) |
b56d608e | 1327 | return log_error_errno(r, "Failed to open journal: %m"); |
f9045468 | 1328 | |
b6741478 | 1329 | r = add_match_this_boot(j, NULL); |
5ec76417 ZJS |
1330 | if (r < 0) |
1331 | return r; | |
1332 | ||
3c756001 | 1333 | if (system_unit) |
886a64fe ZJS |
1334 | r = add_matches_for_unit(j, unit); |
1335 | else | |
1336 | r = add_matches_for_user_unit(j, unit, uid); | |
1a6c43e9 | 1337 | if (r < 0) |
b56d608e | 1338 | return log_error_errno(r, "Failed to add unit matches: %m"); |
1a6c43e9 | 1339 | |
553d2243 | 1340 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) { |
4ad16808 ZJS |
1341 | _cleanup_free_ char *filter; |
1342 | ||
1343 | filter = journal_make_match_string(j); | |
b56d608e LP |
1344 | if (!filter) |
1345 | return log_oom(); | |
1346 | ||
4ad16808 ZJS |
1347 | log_debug("Journal filter: %s", filter); |
1348 | } | |
5ec76417 | 1349 | |
94e0bd7d | 1350 | return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized); |
86aa7ba4 | 1351 | } |