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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" |
07630cea | 36 | #include "formats-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" |
8b43440b | 48 | #include "string-table.h" |
07630cea | 49 | #include "string-util.h" |
288a74cc | 50 | #include "terminal-util.h" |
a8fbdf54 | 51 | #include "time-util.h" |
07630cea LP |
52 | #include "utf8.h" |
53 | #include "util.h" | |
86aa7ba4 | 54 | |
07630cea | 55 | /* up to three lines (each up to 100 characters) or 300 characters, whichever is less */ |
a6f0104a ZJS |
56 | #define PRINT_LINE_THRESHOLD 3 |
57 | #define PRINT_CHAR_THRESHOLD 300 | |
58 | ||
08ace05b | 59 | #define JSON_THRESHOLD 4096 |
86aa7ba4 | 60 | |
d4205751 LP |
61 | static int print_catalog(FILE *f, sd_journal *j) { |
62 | int r; | |
63 | _cleanup_free_ char *t = NULL, *z = NULL; | |
64 | ||
65 | ||
66 | r = sd_journal_get_catalog(j, &t); | |
67 | if (r < 0) | |
68 | return r; | |
69 | ||
70 | z = strreplace(strstrip(t), "\n", "\n-- "); | |
71 | if (!z) | |
72 | return log_oom(); | |
73 | ||
74 | fputs("-- ", f); | |
75 | fputs(z, f); | |
76 | fputc('\n', f); | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
55d7bfc1 LP |
81 | static int parse_field(const void *data, size_t length, const char *field, char **target, size_t *target_size) { |
82 | size_t fl, nl; | |
d813d7a3 | 83 | char *buf; |
55d7bfc1 LP |
84 | |
85 | assert(data); | |
86 | assert(field); | |
87 | assert(target); | |
55d7bfc1 LP |
88 | |
89 | fl = strlen(field); | |
90 | if (length < fl) | |
91 | return 0; | |
92 | ||
93 | if (memcmp(data, field, fl)) | |
94 | return 0; | |
95 | ||
96 | nl = length - fl; | |
d813d7a3 | 97 | buf = new(char, nl+1); |
0d0f0c50 SL |
98 | if (!buf) |
99 | return log_oom(); | |
55d7bfc1 | 100 | |
46b0d922 | 101 | memcpy(buf, (const char*) data + fl, nl); |
d813d7a3 | 102 | buf[nl] = 0; |
46b0d922 | 103 | |
6c1e6b98 | 104 | free(*target); |
55d7bfc1 | 105 | *target = buf; |
d813d7a3 LP |
106 | |
107 | if (target_size) | |
108 | *target_size = nl; | |
55d7bfc1 LP |
109 | |
110 | return 1; | |
111 | } | |
112 | ||
08ace05b LP |
113 | static bool shall_print(const char *p, size_t l, OutputFlags flags) { |
114 | assert(p); | |
115 | ||
116 | if (flags & OUTPUT_SHOW_ALL) | |
55d7bfc1 LP |
117 | return true; |
118 | ||
a6f0104a | 119 | if (l >= PRINT_CHAR_THRESHOLD) |
55d7bfc1 LP |
120 | return false; |
121 | ||
31f7bf19 | 122 | if (!utf8_is_printable(p, l)) |
55d7bfc1 LP |
123 | return false; |
124 | ||
125 | return true; | |
126 | } | |
127 | ||
00f117a5 | 128 | static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputFlags flags, int priority, const char* message, size_t message_len) { |
31f7bf19 ZJS |
129 | const char *color_on = "", *color_off = ""; |
130 | const char *pos, *end; | |
94e0bd7d | 131 | bool ellipsized = false; |
a6f0104a | 132 | int line = 0; |
31f7bf19 ZJS |
133 | |
134 | if (flags & OUTPUT_COLOR) { | |
135 | if (priority <= LOG_ERR) { | |
1fc464f6 LP |
136 | color_on = ANSI_HIGHLIGHT_RED; |
137 | color_off = ANSI_NORMAL; | |
31f7bf19 | 138 | } else if (priority <= LOG_NOTICE) { |
1fc464f6 LP |
139 | color_on = ANSI_HIGHLIGHT; |
140 | color_off = ANSI_NORMAL; | |
31f7bf19 ZJS |
141 | } |
142 | } | |
143 | ||
47d80904 UU |
144 | /* A special case: make sure that we print a newline when |
145 | the message is empty. */ | |
146 | if (message_len == 0) | |
147 | fputs("\n", f); | |
148 | ||
a6f0104a ZJS |
149 | for (pos = message; |
150 | pos < message + message_len; | |
151 | pos = end + 1, line++) { | |
152 | bool continuation = line > 0; | |
153 | bool tail_line; | |
31f7bf19 ZJS |
154 | int len; |
155 | for (end = pos; end < message + message_len && *end != '\n'; end++) | |
156 | ; | |
157 | len = end - pos; | |
158 | assert(len >= 0); | |
159 | ||
2526d626 | 160 | /* We need to figure out when we are showing not-last line, *and* |
a6f0104a ZJS |
161 | * will skip subsequent lines. In that case, we will put the dots |
162 | * at the end of the line, instead of putting dots in the middle | |
163 | * or not at all. | |
164 | */ | |
165 | tail_line = | |
166 | line + 1 == PRINT_LINE_THRESHOLD || | |
2526d626 | 167 | end + 1 >= message + PRINT_CHAR_THRESHOLD; |
a6f0104a ZJS |
168 | |
169 | if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) || | |
170 | (prefix + len + 1 < n_columns && !tail_line)) { | |
31f7bf19 ZJS |
171 | fprintf(f, "%*s%s%.*s%s\n", |
172 | continuation * prefix, "", | |
173 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
174 | continue; |
175 | } | |
31f7bf19 | 176 | |
a6f0104a ZJS |
177 | /* Beyond this point, ellipsization will happen. */ |
178 | ellipsized = true; | |
31f7bf19 | 179 | |
a6f0104a ZJS |
180 | if (prefix < n_columns && n_columns - prefix >= 3) { |
181 | if (n_columns - prefix > (unsigned) len + 3) | |
182 | fprintf(f, "%*s%s%.*s...%s\n", | |
b4b02cbe ZJS |
183 | continuation * prefix, "", |
184 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
185 | else { |
186 | _cleanup_free_ char *e; | |
187 | ||
188 | e = ellipsize_mem(pos, len, n_columns - prefix, | |
189 | tail_line ? 100 : 90); | |
190 | if (!e) | |
191 | fprintf(f, "%*s%s%.*s%s\n", | |
192 | continuation * prefix, "", | |
193 | color_on, len, pos, color_off); | |
194 | else | |
195 | fprintf(f, "%*s%s%s%s\n", | |
196 | continuation * prefix, "", | |
197 | color_on, e, color_off); | |
198 | } | |
199 | } else | |
31f7bf19 ZJS |
200 | fputs("...\n", f); |
201 | ||
a6f0104a ZJS |
202 | if (tail_line) |
203 | break; | |
31f7bf19 | 204 | } |
94e0bd7d ZJS |
205 | |
206 | return ellipsized; | |
31f7bf19 ZJS |
207 | } |
208 | ||
08ace05b LP |
209 | static int output_short( |
210 | FILE *f, | |
211 | sd_journal *j, | |
212 | OutputMode mode, | |
213 | unsigned n_columns, | |
214 | OutputFlags flags) { | |
215 | ||
86aa7ba4 | 216 | int r; |
86aa7ba4 LP |
217 | const void *data; |
218 | size_t length; | |
219 | size_t n = 0; | |
08ace05b | 220 | _cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL; |
49826187 LP |
221 | 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; |
222 | int p = LOG_INFO; | |
94e0bd7d | 223 | bool ellipsized = false; |
86aa7ba4 | 224 | |
08ace05b | 225 | assert(f); |
86aa7ba4 LP |
226 | assert(j); |
227 | ||
a6f0104a | 228 | /* Set the threshold to one bigger than the actual print |
69ab8088 | 229 | * threshold, so that if the line is actually longer than what |
a6f0104a ZJS |
230 | * we're willing to print, ellipsization will occur. This way |
231 | * we won't output a misleading line without any indication of | |
232 | * truncation. | |
233 | */ | |
234 | sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1); | |
93b73b06 | 235 | |
a72b6353 | 236 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
55d7bfc1 | 237 | |
49826187 LP |
238 | r = parse_field(data, length, "PRIORITY=", &priority, &priority_len); |
239 | if (r < 0) | |
08ace05b | 240 | return r; |
49826187 LP |
241 | else if (r > 0) |
242 | continue; | |
243 | ||
55d7bfc1 LP |
244 | r = parse_field(data, length, "_HOSTNAME=", &hostname, &hostname_len); |
245 | if (r < 0) | |
08ace05b | 246 | return r; |
55d7bfc1 LP |
247 | else if (r > 0) |
248 | continue; | |
249 | ||
4cd9a9d9 | 250 | r = parse_field(data, length, "SYSLOG_IDENTIFIER=", &identifier, &identifier_len); |
55d7bfc1 | 251 | if (r < 0) |
08ace05b | 252 | return r; |
55d7bfc1 LP |
253 | else if (r > 0) |
254 | continue; | |
255 | ||
256 | r = parse_field(data, length, "_COMM=", &comm, &comm_len); | |
257 | if (r < 0) | |
08ace05b | 258 | return r; |
55d7bfc1 LP |
259 | else if (r > 0) |
260 | continue; | |
261 | ||
262 | r = parse_field(data, length, "_PID=", &pid, &pid_len); | |
263 | if (r < 0) | |
08ace05b | 264 | return r; |
55d7bfc1 LP |
265 | else if (r > 0) |
266 | continue; | |
267 | ||
6c1e6b98 LP |
268 | r = parse_field(data, length, "SYSLOG_PID=", &fake_pid, &fake_pid_len); |
269 | if (r < 0) | |
08ace05b | 270 | return r; |
6c1e6b98 LP |
271 | else if (r > 0) |
272 | continue; | |
273 | ||
bf967366 LP |
274 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len); |
275 | if (r < 0) | |
08ace05b | 276 | return r; |
bf967366 LP |
277 | else if (r > 0) |
278 | continue; | |
279 | ||
280 | r = parse_field(data, length, "_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len); | |
281 | if (r < 0) | |
08ace05b | 282 | return r; |
bf967366 LP |
283 | else if (r > 0) |
284 | continue; | |
285 | ||
55d7bfc1 LP |
286 | r = parse_field(data, length, "MESSAGE=", &message, &message_len); |
287 | if (r < 0) | |
08ace05b | 288 | return r; |
55d7bfc1 LP |
289 | } |
290 | ||
a72b6353 | 291 | if (r < 0) |
b56d608e | 292 | return log_error_errno(r, "Failed to get journal fields: %m"); |
a72b6353 | 293 | |
07d21025 LP |
294 | if (!message) { |
295 | log_debug("Skipping message without MESSAGE= field."); | |
08ace05b | 296 | return 0; |
07d21025 | 297 | } |
55d7bfc1 | 298 | |
e8bc0ea2 LP |
299 | if (!(flags & OUTPUT_SHOW_ALL)) |
300 | strip_tab_ansi(&message, &message_len); | |
301 | ||
49826187 LP |
302 | if (priority_len == 1 && *priority >= '0' && *priority <= '7') |
303 | p = *priority - '0'; | |
304 | ||
a6e87e90 | 305 | if (mode == OUTPUT_SHORT_MONOTONIC) { |
67a12205 | 306 | uint64_t t; |
3ebcdf8c LP |
307 | sd_id128_t boot_id; |
308 | ||
bf967366 LP |
309 | r = -ENOENT; |
310 | ||
311 | if (monotonic) | |
312 | r = safe_atou64(monotonic, &t); | |
313 | ||
314 | if (r < 0) | |
3ebcdf8c | 315 | r = sd_journal_get_monotonic_usec(j, &t, &boot_id); |
86aa7ba4 | 316 | |
f647962d MS |
317 | if (r < 0) |
318 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
67a12205 | 319 | |
08ace05b | 320 | fprintf(f, "[%5llu.%06llu]", |
609e002e LP |
321 | (unsigned long long) (t / USEC_PER_SEC), |
322 | (unsigned long long) (t % USEC_PER_SEC)); | |
3ebcdf8c LP |
323 | |
324 | n += 1 + 5 + 1 + 6 + 1; | |
325 | ||
67a12205 LP |
326 | } else { |
327 | char buf[64]; | |
bf967366 | 328 | uint64_t x; |
67a12205 LP |
329 | time_t t; |
330 | struct tm tm; | |
9fd29044 | 331 | struct tm *(*gettime_r)(const time_t *, struct tm *); |
731a676c | 332 | |
bf967366 | 333 | r = -ENOENT; |
9fd29044 | 334 | gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r; |
bf967366 LP |
335 | |
336 | if (realtime) | |
337 | r = safe_atou64(realtime, &x); | |
338 | ||
339 | if (r < 0) | |
340 | r = sd_journal_get_realtime_usec(j, &x); | |
67a12205 | 341 | |
f647962d MS |
342 | if (r < 0) |
343 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
67a12205 | 344 | |
bf967366 | 345 | t = (time_t) (x / USEC_PER_SEC); |
f02d8367 ZJS |
346 | |
347 | switch(mode) { | |
348 | case OUTPUT_SHORT_ISO: | |
9fd29044 | 349 | r = strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm)); |
f02d8367 ZJS |
350 | break; |
351 | case OUTPUT_SHORT_PRECISE: | |
9fd29044 | 352 | r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)); |
ece174c5 | 353 | if (r > 0) |
f02d8367 | 354 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
609e002e | 355 | ".%06llu", (unsigned long long) (x % USEC_PER_SEC)); |
f02d8367 ZJS |
356 | break; |
357 | default: | |
9fd29044 | 358 | r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)); |
f02d8367 | 359 | } |
44bc6e1f TT |
360 | |
361 | if (r <= 0) { | |
67a12205 | 362 | log_error("Failed to format time."); |
44bc6e1f | 363 | return -EINVAL; |
67a12205 LP |
364 | } |
365 | ||
08ace05b | 366 | fputs(buf, f); |
67a12205 LP |
367 | n += strlen(buf); |
368 | } | |
86aa7ba4 | 369 | |
08ace05b LP |
370 | if (hostname && shall_print(hostname, hostname_len, flags)) { |
371 | fprintf(f, " %.*s", (int) hostname_len, hostname); | |
55d7bfc1 LP |
372 | n += hostname_len + 1; |
373 | } | |
374 | ||
08ace05b LP |
375 | if (identifier && shall_print(identifier, identifier_len, flags)) { |
376 | fprintf(f, " %.*s", (int) identifier_len, identifier); | |
4cd9a9d9 | 377 | n += identifier_len + 1; |
08ace05b LP |
378 | } else if (comm && shall_print(comm, comm_len, flags)) { |
379 | fprintf(f, " %.*s", (int) comm_len, comm); | |
55d7bfc1 | 380 | n += comm_len + 1; |
b5936820 | 381 | } else |
1248e840 | 382 | fputs(" unknown", f); |
86aa7ba4 | 383 | |
08ace05b LP |
384 | if (pid && shall_print(pid, pid_len, flags)) { |
385 | fprintf(f, "[%.*s]", (int) pid_len, pid); | |
55d7bfc1 | 386 | n += pid_len + 2; |
08ace05b LP |
387 | } else if (fake_pid && shall_print(fake_pid, fake_pid_len, flags)) { |
388 | fprintf(f, "[%.*s]", (int) fake_pid_len, fake_pid); | |
6c1e6b98 | 389 | n += fake_pid_len + 2; |
86aa7ba4 LP |
390 | } |
391 | ||
31f7bf19 | 392 | if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) { |
e6acda19 | 393 | char bytes[FORMAT_BYTES_MAX]; |
08ace05b | 394 | fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len)); |
31f7bf19 ZJS |
395 | } else { |
396 | fputs(": ", f); | |
94e0bd7d ZJS |
397 | ellipsized |= |
398 | print_multiline(f, n + 2, n_columns, flags, p, message, message_len); | |
31f7bf19 | 399 | } |
55d7bfc1 | 400 | |
d4205751 LP |
401 | if (flags & OUTPUT_CATALOG) |
402 | print_catalog(f, j); | |
403 | ||
94e0bd7d | 404 | return ellipsized; |
86aa7ba4 LP |
405 | } |
406 | ||
08ace05b LP |
407 | static int output_verbose( |
408 | FILE *f, | |
409 | sd_journal *j, | |
410 | OutputMode mode, | |
411 | unsigned n_columns, | |
412 | OutputFlags flags) { | |
413 | ||
86aa7ba4 LP |
414 | const void *data; |
415 | size_t length; | |
7fd1b19b | 416 | _cleanup_free_ char *cursor = NULL; |
d813d7a3 | 417 | uint64_t realtime = 0; |
f02d8367 | 418 | char ts[FORMAT_TIMESTAMP_MAX + 7]; |
86aa7ba4 LP |
419 | int r; |
420 | ||
08ace05b | 421 | assert(f); |
86aa7ba4 LP |
422 | assert(j); |
423 | ||
93b73b06 LP |
424 | sd_journal_set_data_threshold(j, 0); |
425 | ||
cf40f0be ZJS |
426 | r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length); |
427 | if (r == -ENOENT) | |
428 | log_debug("Source realtime timestamp not found"); | |
b56d608e LP |
429 | else if (r < 0) |
430 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get source realtime timestamp: %m"); | |
431 | else { | |
cf40f0be | 432 | _cleanup_free_ char *value = NULL; |
cf40f0be | 433 | |
d813d7a3 | 434 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &value, NULL); |
cf40f0be | 435 | if (r < 0) |
e64c53fd | 436 | return r; |
d813d7a3 LP |
437 | assert(r > 0); |
438 | ||
439 | r = safe_atou64(value, &realtime); | |
440 | if (r < 0) | |
441 | log_debug_errno(r, "Failed to parse realtime timestamp: %m"); | |
cf40f0be ZJS |
442 | } |
443 | ||
444 | if (r < 0) { | |
445 | r = sd_journal_get_realtime_usec(j, &realtime); | |
b56d608e LP |
446 | if (r < 0) |
447 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
448 | } |
449 | ||
450 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
451 | if (r < 0) |
452 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 453 | |
08ace05b | 454 | fprintf(f, "%s [%s]\n", |
5ab99e07 LP |
455 | flags & OUTPUT_UTC ? |
456 | format_timestamp_us_utc(ts, sizeof(ts), realtime) : | |
457 | format_timestamp_us(ts, sizeof(ts), realtime), | |
08ace05b | 458 | cursor); |
86aa7ba4 | 459 | |
a72b6353 | 460 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
31f7bf19 ZJS |
461 | const char *c; |
462 | int fieldlen; | |
7ac4fa7e ZJS |
463 | const char *on = "", *off = ""; |
464 | ||
31f7bf19 ZJS |
465 | c = memchr(data, '=', length); |
466 | if (!c) { | |
467 | log_error("Invalid field."); | |
468 | return -EINVAL; | |
469 | } | |
470 | fieldlen = c - (const char*) data; | |
86aa7ba4 | 471 | |
7ac4fa7e | 472 | if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) { |
1fc464f6 LP |
473 | on = ANSI_HIGHLIGHT; |
474 | off = ANSI_NORMAL; | |
7ac4fa7e ZJS |
475 | } |
476 | ||
477 | if (flags & OUTPUT_SHOW_ALL || | |
a6f0104a ZJS |
478 | (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH) |
479 | && utf8_is_printable(data, length))) { | |
7ac4fa7e | 480 | fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data); |
31f7bf19 | 481 | print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1); |
7ac4fa7e | 482 | fputs(off, f); |
31f7bf19 ZJS |
483 | } else { |
484 | char bytes[FORMAT_BYTES_MAX]; | |
86aa7ba4 | 485 | |
7ac4fa7e ZJS |
486 | fprintf(f, " %s%.*s=[%s blob data]%s\n", |
487 | on, | |
31f7bf19 ZJS |
488 | (int) (c - (const char*) data), |
489 | (const char*) data, | |
7ac4fa7e ZJS |
490 | format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1), |
491 | off); | |
31f7bf19 | 492 | } |
86aa7ba4 LP |
493 | } |
494 | ||
a72b6353 ZJS |
495 | if (r < 0) |
496 | return r; | |
497 | ||
d4205751 LP |
498 | if (flags & OUTPUT_CATALOG) |
499 | print_catalog(f, j); | |
500 | ||
86aa7ba4 LP |
501 | return 0; |
502 | } | |
503 | ||
08ace05b LP |
504 | static int output_export( |
505 | FILE *f, | |
506 | sd_journal *j, | |
507 | OutputMode mode, | |
508 | unsigned n_columns, | |
509 | OutputFlags flags) { | |
510 | ||
86aa7ba4 LP |
511 | sd_id128_t boot_id; |
512 | char sid[33]; | |
513 | int r; | |
514 | usec_t realtime, monotonic; | |
7fd1b19b | 515 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
516 | const void *data; |
517 | size_t length; | |
518 | ||
519 | assert(j); | |
520 | ||
93b73b06 LP |
521 | sd_journal_set_data_threshold(j, 0); |
522 | ||
86aa7ba4 | 523 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
524 | if (r < 0) |
525 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
526 | |
527 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
528 | if (r < 0) |
529 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
530 | |
531 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
532 | if (r < 0) |
533 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 534 | |
08ace05b LP |
535 | fprintf(f, |
536 | "__CURSOR=%s\n" | |
de0671ee ZJS |
537 | "__REALTIME_TIMESTAMP="USEC_FMT"\n" |
538 | "__MONOTONIC_TIMESTAMP="USEC_FMT"\n" | |
08ace05b LP |
539 | "_BOOT_ID=%s\n", |
540 | cursor, | |
de0671ee ZJS |
541 | realtime, |
542 | monotonic, | |
08ace05b | 543 | sd_id128_to_string(boot_id, sid)); |
86aa7ba4 | 544 | |
a72b6353 | 545 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
86aa7ba4 | 546 | |
112301ae LP |
547 | /* We already printed the boot id, from the data in |
548 | * the header, hence let's suppress it here */ | |
549 | if (length >= 9 && | |
2a0e0692 | 550 | startswith(data, "_BOOT_ID=")) |
112301ae LP |
551 | continue; |
552 | ||
0ade5ffe ZJS |
553 | if (utf8_is_printable_newline(data, length, false)) |
554 | fwrite(data, length, 1, f); | |
555 | else { | |
86aa7ba4 LP |
556 | const char *c; |
557 | uint64_t le64; | |
558 | ||
559 | c = memchr(data, '=', length); | |
560 | if (!c) { | |
561 | log_error("Invalid field."); | |
562 | return -EINVAL; | |
563 | } | |
564 | ||
08ace05b LP |
565 | fwrite(data, c - (const char*) data, 1, f); |
566 | fputc('\n', f); | |
86aa7ba4 | 567 | le64 = htole64(length - (c - (const char*) data) - 1); |
08ace05b LP |
568 | fwrite(&le64, sizeof(le64), 1, f); |
569 | fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f); | |
0ade5ffe | 570 | } |
86aa7ba4 | 571 | |
08ace05b | 572 | fputc('\n', f); |
86aa7ba4 LP |
573 | } |
574 | ||
a72b6353 ZJS |
575 | if (r < 0) |
576 | return r; | |
577 | ||
08ace05b | 578 | fputc('\n', f); |
86aa7ba4 LP |
579 | |
580 | return 0; | |
581 | } | |
582 | ||
240a5fe8 | 583 | void json_escape( |
08ace05b LP |
584 | FILE *f, |
585 | const char* p, | |
586 | size_t l, | |
587 | OutputFlags flags) { | |
588 | ||
589 | assert(f); | |
590 | assert(p); | |
591 | ||
93b73b06 | 592 | if (!(flags & OUTPUT_SHOW_ALL) && l >= JSON_THRESHOLD) |
08ace05b LP |
593 | fputs("null", f); |
594 | ||
31f7bf19 | 595 | else if (!utf8_is_printable(p, l)) { |
86aa7ba4 LP |
596 | bool not_first = false; |
597 | ||
08ace05b | 598 | fputs("[ ", f); |
86aa7ba4 LP |
599 | |
600 | while (l > 0) { | |
601 | if (not_first) | |
08ace05b | 602 | fprintf(f, ", %u", (uint8_t) *p); |
86aa7ba4 LP |
603 | else { |
604 | not_first = true; | |
08ace05b | 605 | fprintf(f, "%u", (uint8_t) *p); |
86aa7ba4 LP |
606 | } |
607 | ||
608 | p++; | |
609 | l--; | |
610 | } | |
611 | ||
08ace05b | 612 | fputs(" ]", f); |
86aa7ba4 | 613 | } else { |
08ace05b | 614 | fputc('\"', f); |
86aa7ba4 LP |
615 | |
616 | while (l > 0) { | |
617 | if (*p == '"' || *p == '\\') { | |
08ace05b LP |
618 | fputc('\\', f); |
619 | fputc(*p, f); | |
31f7bf19 ZJS |
620 | } else if (*p == '\n') |
621 | fputs("\\n", f); | |
91a8a108 DM |
622 | else if ((uint8_t) *p < ' ') |
623 | fprintf(f, "\\u%04x", (uint8_t) *p); | |
08ace05b LP |
624 | else |
625 | fputc(*p, f); | |
86aa7ba4 LP |
626 | |
627 | p++; | |
628 | l--; | |
629 | } | |
630 | ||
08ace05b | 631 | fputc('\"', f); |
86aa7ba4 LP |
632 | } |
633 | } | |
634 | ||
08ace05b LP |
635 | static int output_json( |
636 | FILE *f, | |
637 | sd_journal *j, | |
638 | OutputMode mode, | |
639 | unsigned n_columns, | |
640 | OutputFlags flags) { | |
641 | ||
86aa7ba4 | 642 | uint64_t realtime, monotonic; |
7fd1b19b | 643 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
644 | const void *data; |
645 | size_t length; | |
646 | sd_id128_t boot_id; | |
2e729834 | 647 | char sid[33], *k; |
86aa7ba4 | 648 | int r; |
d99ae53a LP |
649 | Hashmap *h = NULL; |
650 | bool done, separator; | |
86aa7ba4 LP |
651 | |
652 | assert(j); | |
653 | ||
93b73b06 LP |
654 | sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD); |
655 | ||
86aa7ba4 | 656 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
657 | if (r < 0) |
658 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
659 | |
660 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
661 | if (r < 0) |
662 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
663 | |
664 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
665 | if (r < 0) |
666 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 667 | |
a6e87e90 | 668 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b LP |
669 | fprintf(f, |
670 | "{\n" | |
671 | "\t\"__CURSOR\" : \"%s\",\n" | |
de0671ee ZJS |
672 | "\t\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\",\n" |
673 | "\t\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\",\n" | |
08ace05b LP |
674 | "\t\"_BOOT_ID\" : \"%s\"", |
675 | cursor, | |
de0671ee ZJS |
676 | realtime, |
677 | monotonic, | |
08ace05b | 678 | sd_id128_to_string(boot_id, sid)); |
48383c25 LP |
679 | else { |
680 | if (mode == OUTPUT_JSON_SSE) | |
681 | fputs("data: ", f); | |
682 | ||
08ace05b LP |
683 | fprintf(f, |
684 | "{ \"__CURSOR\" : \"%s\", " | |
de0671ee ZJS |
685 | "\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\", " |
686 | "\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\", " | |
08ace05b LP |
687 | "\"_BOOT_ID\" : \"%s\"", |
688 | cursor, | |
de0671ee ZJS |
689 | realtime, |
690 | monotonic, | |
08ace05b | 691 | sd_id128_to_string(boot_id, sid)); |
48383c25 | 692 | } |
86aa7ba4 | 693 | |
d5099efc | 694 | h = hashmap_new(&string_hash_ops); |
d99ae53a | 695 | if (!h) |
b56d608e | 696 | return log_oom(); |
d99ae53a LP |
697 | |
698 | /* First round, iterate through the entry and count how often each field appears */ | |
a72b6353 | 699 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
d99ae53a LP |
700 | const char *eq; |
701 | char *n; | |
702 | unsigned u; | |
86aa7ba4 | 703 | |
112301ae LP |
704 | if (length >= 9 && |
705 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
706 | continue; | |
707 | ||
d99ae53a LP |
708 | eq = memchr(data, '=', length); |
709 | if (!eq) | |
710 | continue; | |
86aa7ba4 | 711 | |
d99ae53a LP |
712 | n = strndup(data, eq - (const char*) data); |
713 | if (!n) { | |
b56d608e | 714 | r = log_oom(); |
d99ae53a LP |
715 | goto finish; |
716 | } | |
a6e87e90 | 717 | |
d99ae53a LP |
718 | u = PTR_TO_UINT(hashmap_get(h, n)); |
719 | if (u == 0) { | |
720 | r = hashmap_put(h, n, UINT_TO_PTR(1)); | |
721 | if (r < 0) { | |
722 | free(n); | |
b56d608e | 723 | log_oom(); |
d99ae53a LP |
724 | goto finish; |
725 | } | |
726 | } else { | |
727 | r = hashmap_update(h, n, UINT_TO_PTR(u + 1)); | |
728 | free(n); | |
b56d608e LP |
729 | if (r < 0) { |
730 | log_oom(); | |
d99ae53a | 731 | goto finish; |
b56d608e | 732 | } |
d99ae53a | 733 | } |
86aa7ba4 LP |
734 | } |
735 | ||
a72b6353 ZJS |
736 | if (r < 0) |
737 | return r; | |
738 | ||
d99ae53a LP |
739 | separator = true; |
740 | do { | |
741 | done = true; | |
742 | ||
743 | SD_JOURNAL_FOREACH_DATA(j, data, length) { | |
744 | const char *eq; | |
745 | char *kk, *n; | |
746 | size_t m; | |
747 | unsigned u; | |
748 | ||
749 | /* We already printed the boot id, from the data in | |
750 | * the header, hence let's suppress it here */ | |
751 | if (length >= 9 && | |
752 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
753 | continue; | |
754 | ||
755 | eq = memchr(data, '=', length); | |
756 | if (!eq) | |
757 | continue; | |
758 | ||
759 | if (separator) { | |
760 | if (mode == OUTPUT_JSON_PRETTY) | |
761 | fputs(",\n\t", f); | |
762 | else | |
763 | fputs(", ", f); | |
764 | } | |
765 | ||
766 | m = eq - (const char*) data; | |
767 | ||
768 | n = strndup(data, m); | |
769 | if (!n) { | |
b56d608e | 770 | r = log_oom(); |
d99ae53a LP |
771 | goto finish; |
772 | } | |
773 | ||
774 | u = PTR_TO_UINT(hashmap_get2(h, n, (void**) &kk)); | |
775 | if (u == 0) { | |
776 | /* We already printed this, let's jump to the next */ | |
777 | free(n); | |
778 | separator = false; | |
779 | ||
780 | continue; | |
781 | } else if (u == 1) { | |
782 | /* Field only appears once, output it directly */ | |
783 | ||
784 | json_escape(f, data, m, flags); | |
785 | fputs(" : ", f); | |
786 | ||
787 | json_escape(f, eq + 1, length - m - 1, flags); | |
788 | ||
789 | hashmap_remove(h, n); | |
790 | free(kk); | |
791 | free(n); | |
792 | ||
793 | separator = true; | |
794 | ||
795 | continue; | |
796 | ||
797 | } else { | |
798 | /* Field appears multiple times, output it as array */ | |
799 | json_escape(f, data, m, flags); | |
800 | fputs(" : [ ", f); | |
801 | json_escape(f, eq + 1, length - m - 1, flags); | |
802 | ||
803 | /* Iterate through the end of the list */ | |
804 | ||
805 | while (sd_journal_enumerate_data(j, &data, &length) > 0) { | |
806 | if (length < m + 1) | |
807 | continue; | |
808 | ||
809 | if (memcmp(data, n, m) != 0) | |
810 | continue; | |
811 | ||
812 | if (((const char*) data)[m] != '=') | |
813 | continue; | |
814 | ||
815 | fputs(", ", f); | |
816 | json_escape(f, (const char*) data + m + 1, length - m - 1, flags); | |
817 | } | |
818 | ||
819 | fputs(" ]", f); | |
820 | ||
821 | hashmap_remove(h, n); | |
822 | free(kk); | |
823 | free(n); | |
824 | ||
825 | /* Iterate data fields form the beginning */ | |
826 | done = false; | |
827 | separator = true; | |
828 | ||
829 | break; | |
830 | } | |
831 | } | |
832 | ||
833 | } while (!done); | |
834 | ||
a6e87e90 | 835 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b | 836 | fputs("\n}\n", f); |
48383c25 LP |
837 | else if (mode == OUTPUT_JSON_SSE) |
838 | fputs("}\n\n", f); | |
a6e87e90 | 839 | else |
08ace05b | 840 | fputs(" }\n", f); |
86aa7ba4 | 841 | |
d99ae53a LP |
842 | r = 0; |
843 | ||
844 | finish: | |
845 | while ((k = hashmap_steal_first_key(h))) | |
846 | free(k); | |
847 | ||
848 | hashmap_free(h); | |
849 | ||
850 | return r; | |
86aa7ba4 LP |
851 | } |
852 | ||
08ace05b LP |
853 | static int output_cat( |
854 | FILE *f, | |
855 | sd_journal *j, | |
856 | OutputMode mode, | |
857 | unsigned n_columns, | |
858 | OutputFlags flags) { | |
859 | ||
d3f2bdbf LP |
860 | const void *data; |
861 | size_t l; | |
862 | int r; | |
863 | ||
864 | assert(j); | |
08ace05b | 865 | assert(f); |
d3f2bdbf | 866 | |
93b73b06 LP |
867 | sd_journal_set_data_threshold(j, 0); |
868 | ||
d3f2bdbf LP |
869 | r = sd_journal_get_data(j, "MESSAGE", &data, &l); |
870 | if (r < 0) { | |
c198300f LP |
871 | /* An entry without MESSAGE=? */ |
872 | if (r == -ENOENT) | |
873 | return 0; | |
874 | ||
8d3d7072 | 875 | return log_error_errno(r, "Failed to get data: %m"); |
d3f2bdbf LP |
876 | } |
877 | ||
878 | assert(l >= 8); | |
879 | ||
08ace05b LP |
880 | fwrite((const char*) data + 8, 1, l - 8, f); |
881 | fputc('\n', f); | |
d3f2bdbf LP |
882 | |
883 | return 0; | |
884 | } | |
885 | ||
08ace05b LP |
886 | static int (*output_funcs[_OUTPUT_MODE_MAX])( |
887 | FILE *f, | |
888 | sd_journal*j, | |
889 | OutputMode mode, | |
890 | unsigned n_columns, | |
891 | OutputFlags flags) = { | |
892 | ||
a6e87e90 | 893 | [OUTPUT_SHORT] = output_short, |
44bc6e1f | 894 | [OUTPUT_SHORT_ISO] = output_short, |
f02d8367 ZJS |
895 | [OUTPUT_SHORT_PRECISE] = output_short, |
896 | [OUTPUT_SHORT_MONOTONIC] = output_short, | |
86aa7ba4 LP |
897 | [OUTPUT_VERBOSE] = output_verbose, |
898 | [OUTPUT_EXPORT] = output_export, | |
d3f2bdbf | 899 | [OUTPUT_JSON] = output_json, |
a6e87e90 | 900 | [OUTPUT_JSON_PRETTY] = output_json, |
48383c25 | 901 | [OUTPUT_JSON_SSE] = output_json, |
d3f2bdbf | 902 | [OUTPUT_CAT] = output_cat |
86aa7ba4 LP |
903 | }; |
904 | ||
08ace05b LP |
905 | int output_journal( |
906 | FILE *f, | |
907 | sd_journal *j, | |
908 | OutputMode mode, | |
909 | unsigned n_columns, | |
94e0bd7d ZJS |
910 | OutputFlags flags, |
911 | bool *ellipsized) { | |
08ace05b | 912 | |
e268b81e | 913 | int ret; |
df50185b | 914 | assert(mode >= 0); |
86aa7ba4 LP |
915 | assert(mode < _OUTPUT_MODE_MAX); |
916 | ||
34a35ece LP |
917 | if (n_columns <= 0) |
918 | n_columns = columns(); | |
919 | ||
08ace05b | 920 | ret = output_funcs[mode](f, j, mode, n_columns, flags); |
e268b81e | 921 | fflush(stdout); |
94e0bd7d ZJS |
922 | |
923 | if (ellipsized && ret > 0) | |
924 | *ellipsized = true; | |
925 | ||
e268b81e | 926 | return ret; |
86aa7ba4 LP |
927 | } |
928 | ||
ea6c2dd1 LP |
929 | static int maybe_print_begin_newline(FILE *f, OutputFlags *flags) { |
930 | assert(f); | |
931 | assert(flags); | |
932 | ||
933 | if (!(*flags & OUTPUT_BEGIN_NEWLINE)) | |
934 | return 0; | |
935 | ||
936 | /* Print a beginning new line if that's request, but only once | |
937 | * on the first line we print. */ | |
938 | ||
939 | fputc('\n', f); | |
940 | *flags &= ~OUTPUT_BEGIN_NEWLINE; | |
941 | return 0; | |
942 | } | |
943 | ||
1a6c43e9 MT |
944 | static int show_journal(FILE *f, |
945 | sd_journal *j, | |
946 | OutputMode mode, | |
947 | unsigned n_columns, | |
948 | usec_t not_before, | |
949 | unsigned how_many, | |
94e0bd7d ZJS |
950 | OutputFlags flags, |
951 | bool *ellipsized) { | |
86aa7ba4 | 952 | |
86aa7ba4 | 953 | int r; |
df50185b LP |
954 | unsigned line = 0; |
955 | bool need_seek = false; | |
085d7120 | 956 | int warn_cutoff = flags & OUTPUT_WARN_CUTOFF; |
86aa7ba4 | 957 | |
1a6c43e9 | 958 | assert(j); |
df50185b LP |
959 | assert(mode >= 0); |
960 | assert(mode < _OUTPUT_MODE_MAX); | |
1946b0bd LP |
961 | |
962 | /* Seek to end */ | |
86aa7ba4 LP |
963 | r = sd_journal_seek_tail(j); |
964 | if (r < 0) | |
b56d608e | 965 | return log_error_errno(r, "Failed to seek to tail: %m"); |
86aa7ba4 | 966 | |
df50185b LP |
967 | r = sd_journal_previous_skip(j, how_many); |
968 | if (r < 0) | |
b56d608e | 969 | return log_error_errno(r, "Failed to skip previous: %m"); |
86aa7ba4 | 970 | |
df50185b LP |
971 | for (;;) { |
972 | for (;;) { | |
973 | usec_t usec; | |
974 | ||
975 | if (need_seek) { | |
976 | r = sd_journal_next(j); | |
977 | if (r < 0) | |
b56d608e | 978 | return log_error_errno(r, "Failed to iterate through journal: %m"); |
df50185b LP |
979 | } |
980 | ||
981 | if (r == 0) | |
982 | break; | |
86aa7ba4 | 983 | |
df50185b LP |
984 | need_seek = true; |
985 | ||
986 | if (not_before > 0) { | |
987 | r = sd_journal_get_monotonic_usec(j, &usec, NULL); | |
988 | ||
989 | /* -ESTALE is returned if the | |
990 | timestamp is not from this boot */ | |
991 | if (r == -ESTALE) | |
992 | continue; | |
993 | else if (r < 0) | |
b56d608e | 994 | return log_error_errno(r, "Failed to get journal time: %m"); |
df50185b LP |
995 | |
996 | if (usec < not_before) | |
997 | continue; | |
998 | } | |
999 | ||
1000 | line ++; | |
ea6c2dd1 | 1001 | maybe_print_begin_newline(f, &flags); |
df50185b | 1002 | |
94e0bd7d | 1003 | r = output_journal(f, j, mode, n_columns, flags, ellipsized); |
df50185b | 1004 | if (r < 0) |
b56d608e | 1005 | return r; |
df50185b LP |
1006 | } |
1007 | ||
08984293 LP |
1008 | if (warn_cutoff && line < how_many && not_before > 0) { |
1009 | sd_id128_t boot_id; | |
a7f7d1bd | 1010 | usec_t cutoff = 0; |
08984293 LP |
1011 | |
1012 | /* Check whether the cutoff line is too early */ | |
1013 | ||
1014 | r = sd_id128_get_boot(&boot_id); | |
1015 | if (r < 0) | |
b56d608e | 1016 | return log_error_errno(r, "Failed to get boot id: %m"); |
08984293 LP |
1017 | |
1018 | r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL); | |
1019 | if (r < 0) | |
b56d608e | 1020 | return log_error_errno(r, "Failed to get journal cutoff time: %m"); |
08984293 | 1021 | |
ea6c2dd1 LP |
1022 | if (r > 0 && not_before < cutoff) { |
1023 | maybe_print_begin_newline(f, &flags); | |
08ace05b | 1024 | fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n"); |
ea6c2dd1 | 1025 | } |
08984293 LP |
1026 | |
1027 | warn_cutoff = false; | |
1028 | } | |
1029 | ||
085d7120 | 1030 | if (!(flags & OUTPUT_FOLLOW)) |
86aa7ba4 LP |
1031 | break; |
1032 | ||
3a43da28 | 1033 | r = sd_journal_wait(j, USEC_INFINITY); |
df50185b | 1034 | if (r < 0) |
b56d608e | 1035 | return log_error_errno(r, "Failed to wait for journal: %m"); |
df50185b | 1036 | |
86aa7ba4 LP |
1037 | } |
1038 | ||
b56d608e | 1039 | return 0; |
1a6c43e9 MT |
1040 | } |
1041 | ||
886a64fe | 1042 | int add_matches_for_unit(sd_journal *j, const char *unit) { |
1a6c43e9 | 1043 | int r; |
2d0b2e87 | 1044 | char *m1, *m2, *m3, *m4; |
1a6c43e9 | 1045 | |
886a64fe | 1046 | assert(j); |
1a6c43e9 MT |
1047 | assert(unit); |
1048 | ||
63c372cb LP |
1049 | m1 = strjoina("_SYSTEMD_UNIT=", unit); |
1050 | m2 = strjoina("COREDUMP_UNIT=", unit); | |
1051 | m3 = strjoina("UNIT=", unit); | |
1052 | m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit); | |
1a6c43e9 | 1053 | |
886a64fe ZJS |
1054 | (void)( |
1055 | /* Look for messages from the service itself */ | |
1056 | (r = sd_journal_add_match(j, m1, 0)) || | |
1057 | ||
1058 | /* Look for coredumps of the service */ | |
1059 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df ZJS |
1060 | (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) || |
1061 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
886a64fe ZJS |
1062 | (r = sd_journal_add_match(j, m2, 0)) || |
1063 | ||
1064 | /* Look for messages from PID 1 about this service */ | |
1065 | (r = sd_journal_add_disjunction(j)) || | |
1066 | (r = sd_journal_add_match(j, "_PID=1", 0)) || | |
2d0b2e87 ZJS |
1067 | (r = sd_journal_add_match(j, m3, 0)) || |
1068 | ||
1069 | /* Look for messages from authorized daemons about this service */ | |
1070 | (r = sd_journal_add_disjunction(j)) || | |
1071 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1072 | (r = sd_journal_add_match(j, m4, 0)) | |
886a64fe | 1073 | ); |
2d0b2e87 | 1074 | |
69ae3ee0 ZJS |
1075 | if (r == 0 && endswith(unit, ".slice")) { |
1076 | char *m5 = strappend("_SYSTEMD_SLICE=", unit); | |
1077 | ||
1078 | /* Show all messages belonging to a slice */ | |
1079 | (void)( | |
1080 | (r = sd_journal_add_disjunction(j)) || | |
1081 | (r = sd_journal_add_match(j, m5, 0)) | |
1082 | ); | |
1083 | } | |
1084 | ||
886a64fe ZJS |
1085 | return r; |
1086 | } | |
1a6c43e9 | 1087 | |
886a64fe ZJS |
1088 | int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { |
1089 | int r; | |
2d0b2e87 ZJS |
1090 | char *m1, *m2, *m3, *m4; |
1091 | char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; | |
1a6c43e9 | 1092 | |
886a64fe ZJS |
1093 | assert(j); |
1094 | assert(unit); | |
1a6c43e9 | 1095 | |
63c372cb LP |
1096 | m1 = strjoina("_SYSTEMD_USER_UNIT=", unit); |
1097 | m2 = strjoina("USER_UNIT=", unit); | |
1098 | m3 = strjoina("COREDUMP_USER_UNIT=", unit); | |
1099 | m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit); | |
de0671ee | 1100 | sprintf(muid, "_UID="UID_FMT, uid); |
1a6c43e9 | 1101 | |
886a64fe ZJS |
1102 | (void) ( |
1103 | /* Look for messages from the user service itself */ | |
1104 | (r = sd_journal_add_match(j, m1, 0)) || | |
2d0b2e87 | 1105 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1106 | |
1107 | /* Look for messages from systemd about this service */ | |
1108 | (r = sd_journal_add_disjunction(j)) || | |
1109 | (r = sd_journal_add_match(j, m2, 0)) || | |
2d0b2e87 | 1110 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1111 | |
1112 | /* Look for coredumps of the service */ | |
1113 | (r = sd_journal_add_disjunction(j)) || | |
1114 | (r = sd_journal_add_match(j, m3, 0)) || | |
2d0b2e87 ZJS |
1115 | (r = sd_journal_add_match(j, muid, 0)) || |
1116 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1117 | ||
1118 | /* Look for messages from authorized daemons about this service */ | |
1119 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df | 1120 | (r = sd_journal_add_match(j, m4, 0)) || |
2d0b2e87 | 1121 | (r = sd_journal_add_match(j, muid, 0)) || |
fdcd37df | 1122 | (r = sd_journal_add_match(j, "_UID=0", 0)) |
886a64fe | 1123 | ); |
69ae3ee0 ZJS |
1124 | |
1125 | if (r == 0 && endswith(unit, ".slice")) { | |
1126 | char *m5 = strappend("_SYSTEMD_SLICE=", unit); | |
1127 | ||
1128 | /* Show all messages belonging to a slice */ | |
1129 | (void)( | |
1130 | (r = sd_journal_add_disjunction(j)) || | |
1131 | (r = sd_journal_add_match(j, m5, 0)) || | |
1132 | (r = sd_journal_add_match(j, muid, 0)) | |
1133 | ); | |
1134 | } | |
1135 | ||
1a6c43e9 MT |
1136 | return r; |
1137 | } | |
1138 | ||
b6741478 | 1139 | static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) { |
3d94f76c | 1140 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; |
a4475f57 | 1141 | _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; |
b6741478 LP |
1142 | pid_t pid, child; |
1143 | siginfo_t si; | |
1144 | char buf[37]; | |
1145 | ssize_t k; | |
1146 | int r; | |
1147 | ||
1148 | assert(machine); | |
1149 | assert(boot_id); | |
1150 | ||
affcf189 | 1151 | if (!machine_name_is_valid(machine)) |
b6741478 LP |
1152 | return -EINVAL; |
1153 | ||
e04b0cdb | 1154 | r = container_get_leader(machine, &pid); |
b6741478 LP |
1155 | if (r < 0) |
1156 | return r; | |
e04b0cdb | 1157 | |
671c3419 | 1158 | r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, NULL, &rootfd); |
b6741478 LP |
1159 | if (r < 0) |
1160 | return r; | |
1161 | ||
e04b0cdb | 1162 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) |
b6741478 LP |
1163 | return -errno; |
1164 | ||
1165 | child = fork(); | |
1166 | if (child < 0) | |
1167 | return -errno; | |
1168 | ||
1169 | if (child == 0) { | |
1170 | int fd; | |
1171 | ||
03e334a1 | 1172 | pair[0] = safe_close(pair[0]); |
b6741478 | 1173 | |
671c3419 | 1174 | r = namespace_enter(pidnsfd, mntnsfd, -1, -1, rootfd); |
b6741478 LP |
1175 | if (r < 0) |
1176 | _exit(EXIT_FAILURE); | |
1177 | ||
1178 | fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1179 | if (fd < 0) | |
1180 | _exit(EXIT_FAILURE); | |
1181 | ||
a6dcc7e5 | 1182 | r = loop_read_exact(fd, buf, 36, false); |
03e334a1 | 1183 | safe_close(fd); |
6c767d1e | 1184 | if (r < 0) |
b6741478 LP |
1185 | _exit(EXIT_FAILURE); |
1186 | ||
e04b0cdb | 1187 | k = send(pair[1], buf, 36, MSG_NOSIGNAL); |
b6741478 LP |
1188 | if (k != 36) |
1189 | _exit(EXIT_FAILURE); | |
1190 | ||
1191 | _exit(EXIT_SUCCESS); | |
1192 | } | |
1193 | ||
03e334a1 | 1194 | pair[1] = safe_close(pair[1]); |
b6741478 | 1195 | |
b6741478 LP |
1196 | r = wait_for_terminate(child, &si); |
1197 | if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) | |
1198 | return r < 0 ? r : -EIO; | |
1199 | ||
fbadf045 LP |
1200 | k = recv(pair[0], buf, 36, 0); |
1201 | if (k != 36) | |
1202 | return -EIO; | |
1203 | ||
b6741478 LP |
1204 | buf[36] = 0; |
1205 | r = sd_id128_from_string(buf, boot_id); | |
1206 | if (r < 0) | |
1207 | return r; | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | int add_match_this_boot(sd_journal *j, const char *machine) { | |
5ec76417 ZJS |
1213 | char match[9+32+1] = "_BOOT_ID="; |
1214 | sd_id128_t boot_id; | |
1215 | int r; | |
1216 | ||
1217 | assert(j); | |
1218 | ||
b6741478 LP |
1219 | if (machine) { |
1220 | r = get_boot_id_for_machine(machine, &boot_id); | |
f647962d MS |
1221 | if (r < 0) |
1222 | return log_error_errno(r, "Failed to get boot id of container %s: %m", machine); | |
b6741478 LP |
1223 | } else { |
1224 | r = sd_id128_get_boot(&boot_id); | |
f647962d MS |
1225 | if (r < 0) |
1226 | return log_error_errno(r, "Failed to get boot id: %m"); | |
5ec76417 ZJS |
1227 | } |
1228 | ||
1229 | sd_id128_to_string(boot_id, match + 9); | |
1230 | r = sd_journal_add_match(j, match, strlen(match)); | |
f647962d MS |
1231 | if (r < 0) |
1232 | return log_error_errno(r, "Failed to add match: %m"); | |
5ec76417 ZJS |
1233 | |
1234 | r = sd_journal_add_conjunction(j); | |
1235 | if (r < 0) | |
b56d608e | 1236 | return log_error_errno(r, "Failed to add conjunction: %m"); |
5ec76417 ZJS |
1237 | |
1238 | return 0; | |
1239 | } | |
1240 | ||
886a64fe | 1241 | int show_journal_by_unit( |
1a6c43e9 MT |
1242 | FILE *f, |
1243 | const char *unit, | |
1244 | OutputMode mode, | |
1245 | unsigned n_columns, | |
1246 | usec_t not_before, | |
1247 | unsigned how_many, | |
1248 | uid_t uid, | |
886a64fe | 1249 | OutputFlags flags, |
3c756001 LP |
1250 | int journal_open_flags, |
1251 | bool system_unit, | |
94e0bd7d | 1252 | bool *ellipsized) { |
1a6c43e9 | 1253 | |
4afd3348 | 1254 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
1a6c43e9 MT |
1255 | int r; |
1256 | ||
1257 | assert(mode >= 0); | |
1258 | assert(mode < _OUTPUT_MODE_MAX); | |
1259 | assert(unit); | |
1260 | ||
1a6c43e9 MT |
1261 | if (how_many <= 0) |
1262 | return 0; | |
1263 | ||
3c756001 | 1264 | r = sd_journal_open(&j, journal_open_flags); |
f9045468 | 1265 | if (r < 0) |
b56d608e | 1266 | return log_error_errno(r, "Failed to open journal: %m"); |
f9045468 | 1267 | |
b6741478 | 1268 | r = add_match_this_boot(j, NULL); |
5ec76417 ZJS |
1269 | if (r < 0) |
1270 | return r; | |
1271 | ||
3c756001 | 1272 | if (system_unit) |
886a64fe ZJS |
1273 | r = add_matches_for_unit(j, unit); |
1274 | else | |
1275 | r = add_matches_for_user_unit(j, unit, uid); | |
1a6c43e9 | 1276 | if (r < 0) |
b56d608e | 1277 | return log_error_errno(r, "Failed to add unit matches: %m"); |
1a6c43e9 | 1278 | |
553d2243 | 1279 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) { |
4ad16808 ZJS |
1280 | _cleanup_free_ char *filter; |
1281 | ||
1282 | filter = journal_make_match_string(j); | |
b56d608e LP |
1283 | if (!filter) |
1284 | return log_oom(); | |
1285 | ||
4ad16808 ZJS |
1286 | log_debug("Journal filter: %s", filter); |
1287 | } | |
5ec76417 | 1288 | |
94e0bd7d | 1289 | return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized); |
86aa7ba4 | 1290 | } |
df50185b LP |
1291 | |
1292 | static const char *const output_mode_table[_OUTPUT_MODE_MAX] = { | |
1293 | [OUTPUT_SHORT] = "short", | |
44bc6e1f | 1294 | [OUTPUT_SHORT_ISO] = "short-iso", |
f02d8367 ZJS |
1295 | [OUTPUT_SHORT_PRECISE] = "short-precise", |
1296 | [OUTPUT_SHORT_MONOTONIC] = "short-monotonic", | |
df50185b LP |
1297 | [OUTPUT_VERBOSE] = "verbose", |
1298 | [OUTPUT_EXPORT] = "export", | |
d3f2bdbf | 1299 | [OUTPUT_JSON] = "json", |
a6e87e90 | 1300 | [OUTPUT_JSON_PRETTY] = "json-pretty", |
48383c25 | 1301 | [OUTPUT_JSON_SSE] = "json-sse", |
d3f2bdbf | 1302 | [OUTPUT_CAT] = "cat" |
df50185b LP |
1303 | }; |
1304 | ||
1305 | DEFINE_STRING_TABLE_LOOKUP(output_mode, OutputMode); |