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Commit | Line | Data |
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86aa7ba4 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
86aa7ba4 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
86aa7ba4 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
86aa7ba4 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
86aa7ba4 | 22 | #include <errno.h> |
b6741478 | 23 | #include <fcntl.h> |
07630cea LP |
24 | #include <string.h> |
25 | #include <sys/socket.h> | |
26 | #include <time.h> | |
86aa7ba4 | 27 | |
3ffd4af2 | 28 | #include "fd-util.h" |
07630cea | 29 | #include "formats-util.h" |
d99ae53a | 30 | #include "hashmap.h" |
07630cea | 31 | #include "hostname-util.h" |
c004493c | 32 | #include "io-util.h" |
dfb33a97 | 33 | #include "journal-internal.h" |
07630cea | 34 | #include "log.h" |
3ffd4af2 | 35 | #include "logs-show.h" |
0b452006 | 36 | #include "process-util.h" |
07630cea | 37 | #include "string-util.h" |
288a74cc | 38 | #include "terminal-util.h" |
07630cea LP |
39 | #include "utf8.h" |
40 | #include "util.h" | |
86aa7ba4 | 41 | |
07630cea | 42 | /* up to three lines (each up to 100 characters) or 300 characters, whichever is less */ |
a6f0104a ZJS |
43 | #define PRINT_LINE_THRESHOLD 3 |
44 | #define PRINT_CHAR_THRESHOLD 300 | |
45 | ||
08ace05b | 46 | #define JSON_THRESHOLD 4096 |
86aa7ba4 | 47 | |
d4205751 LP |
48 | static int print_catalog(FILE *f, sd_journal *j) { |
49 | int r; | |
50 | _cleanup_free_ char *t = NULL, *z = NULL; | |
51 | ||
52 | ||
53 | r = sd_journal_get_catalog(j, &t); | |
54 | if (r < 0) | |
55 | return r; | |
56 | ||
57 | z = strreplace(strstrip(t), "\n", "\n-- "); | |
58 | if (!z) | |
59 | return log_oom(); | |
60 | ||
61 | fputs("-- ", f); | |
62 | fputs(z, f); | |
63 | fputc('\n', f); | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
55d7bfc1 LP |
68 | static int parse_field(const void *data, size_t length, const char *field, char **target, size_t *target_size) { |
69 | size_t fl, nl; | |
70 | void *buf; | |
71 | ||
72 | assert(data); | |
73 | assert(field); | |
74 | assert(target); | |
75 | assert(target_size); | |
76 | ||
77 | fl = strlen(field); | |
78 | if (length < fl) | |
79 | return 0; | |
80 | ||
81 | if (memcmp(data, field, fl)) | |
82 | return 0; | |
83 | ||
84 | nl = length - fl; | |
bf967366 | 85 | buf = malloc(nl+1); |
0d0f0c50 SL |
86 | if (!buf) |
87 | return log_oom(); | |
55d7bfc1 | 88 | |
46b0d922 LP |
89 | memcpy(buf, (const char*) data + fl, nl); |
90 | ((char*)buf)[nl] = 0; | |
91 | ||
6c1e6b98 | 92 | free(*target); |
55d7bfc1 LP |
93 | *target = buf; |
94 | *target_size = nl; | |
95 | ||
96 | return 1; | |
97 | } | |
98 | ||
08ace05b LP |
99 | static bool shall_print(const char *p, size_t l, OutputFlags flags) { |
100 | assert(p); | |
101 | ||
102 | if (flags & OUTPUT_SHOW_ALL) | |
55d7bfc1 LP |
103 | return true; |
104 | ||
a6f0104a | 105 | if (l >= PRINT_CHAR_THRESHOLD) |
55d7bfc1 LP |
106 | return false; |
107 | ||
31f7bf19 | 108 | if (!utf8_is_printable(p, l)) |
55d7bfc1 LP |
109 | return false; |
110 | ||
111 | return true; | |
112 | } | |
113 | ||
00f117a5 | 114 | static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputFlags flags, int priority, const char* message, size_t message_len) { |
31f7bf19 ZJS |
115 | const char *color_on = "", *color_off = ""; |
116 | const char *pos, *end; | |
94e0bd7d | 117 | bool ellipsized = false; |
a6f0104a | 118 | int line = 0; |
31f7bf19 ZJS |
119 | |
120 | if (flags & OUTPUT_COLOR) { | |
121 | if (priority <= LOG_ERR) { | |
1fc464f6 LP |
122 | color_on = ANSI_HIGHLIGHT_RED; |
123 | color_off = ANSI_NORMAL; | |
31f7bf19 | 124 | } else if (priority <= LOG_NOTICE) { |
1fc464f6 LP |
125 | color_on = ANSI_HIGHLIGHT; |
126 | color_off = ANSI_NORMAL; | |
31f7bf19 ZJS |
127 | } |
128 | } | |
129 | ||
47d80904 UU |
130 | /* A special case: make sure that we print a newline when |
131 | the message is empty. */ | |
132 | if (message_len == 0) | |
133 | fputs("\n", f); | |
134 | ||
a6f0104a ZJS |
135 | for (pos = message; |
136 | pos < message + message_len; | |
137 | pos = end + 1, line++) { | |
138 | bool continuation = line > 0; | |
139 | bool tail_line; | |
31f7bf19 ZJS |
140 | int len; |
141 | for (end = pos; end < message + message_len && *end != '\n'; end++) | |
142 | ; | |
143 | len = end - pos; | |
144 | assert(len >= 0); | |
145 | ||
2526d626 | 146 | /* We need to figure out when we are showing not-last line, *and* |
a6f0104a ZJS |
147 | * will skip subsequent lines. In that case, we will put the dots |
148 | * at the end of the line, instead of putting dots in the middle | |
149 | * or not at all. | |
150 | */ | |
151 | tail_line = | |
152 | line + 1 == PRINT_LINE_THRESHOLD || | |
2526d626 | 153 | end + 1 >= message + PRINT_CHAR_THRESHOLD; |
a6f0104a ZJS |
154 | |
155 | if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) || | |
156 | (prefix + len + 1 < n_columns && !tail_line)) { | |
31f7bf19 ZJS |
157 | fprintf(f, "%*s%s%.*s%s\n", |
158 | continuation * prefix, "", | |
159 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
160 | continue; |
161 | } | |
31f7bf19 | 162 | |
a6f0104a ZJS |
163 | /* Beyond this point, ellipsization will happen. */ |
164 | ellipsized = true; | |
31f7bf19 | 165 | |
a6f0104a ZJS |
166 | if (prefix < n_columns && n_columns - prefix >= 3) { |
167 | if (n_columns - prefix > (unsigned) len + 3) | |
168 | fprintf(f, "%*s%s%.*s...%s\n", | |
b4b02cbe ZJS |
169 | continuation * prefix, "", |
170 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
171 | else { |
172 | _cleanup_free_ char *e; | |
173 | ||
174 | e = ellipsize_mem(pos, len, n_columns - prefix, | |
175 | tail_line ? 100 : 90); | |
176 | if (!e) | |
177 | fprintf(f, "%*s%s%.*s%s\n", | |
178 | continuation * prefix, "", | |
179 | color_on, len, pos, color_off); | |
180 | else | |
181 | fprintf(f, "%*s%s%s%s\n", | |
182 | continuation * prefix, "", | |
183 | color_on, e, color_off); | |
184 | } | |
185 | } else | |
31f7bf19 ZJS |
186 | fputs("...\n", f); |
187 | ||
a6f0104a ZJS |
188 | if (tail_line) |
189 | break; | |
31f7bf19 | 190 | } |
94e0bd7d ZJS |
191 | |
192 | return ellipsized; | |
31f7bf19 ZJS |
193 | } |
194 | ||
08ace05b LP |
195 | static int output_short( |
196 | FILE *f, | |
197 | sd_journal *j, | |
198 | OutputMode mode, | |
199 | unsigned n_columns, | |
200 | OutputFlags flags) { | |
201 | ||
86aa7ba4 | 202 | int r; |
86aa7ba4 LP |
203 | const void *data; |
204 | size_t length; | |
205 | size_t n = 0; | |
08ace05b | 206 | _cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL; |
49826187 LP |
207 | 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; |
208 | int p = LOG_INFO; | |
94e0bd7d | 209 | bool ellipsized = false; |
86aa7ba4 | 210 | |
08ace05b | 211 | assert(f); |
86aa7ba4 LP |
212 | assert(j); |
213 | ||
a6f0104a | 214 | /* Set the threshold to one bigger than the actual print |
69ab8088 | 215 | * threshold, so that if the line is actually longer than what |
a6f0104a ZJS |
216 | * we're willing to print, ellipsization will occur. This way |
217 | * we won't output a misleading line without any indication of | |
218 | * truncation. | |
219 | */ | |
220 | sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1); | |
93b73b06 | 221 | |
a72b6353 | 222 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
55d7bfc1 | 223 | |
49826187 LP |
224 | r = parse_field(data, length, "PRIORITY=", &priority, &priority_len); |
225 | if (r < 0) | |
08ace05b | 226 | return r; |
49826187 LP |
227 | else if (r > 0) |
228 | continue; | |
229 | ||
55d7bfc1 LP |
230 | r = parse_field(data, length, "_HOSTNAME=", &hostname, &hostname_len); |
231 | if (r < 0) | |
08ace05b | 232 | return r; |
55d7bfc1 LP |
233 | else if (r > 0) |
234 | continue; | |
235 | ||
4cd9a9d9 | 236 | r = parse_field(data, length, "SYSLOG_IDENTIFIER=", &identifier, &identifier_len); |
55d7bfc1 | 237 | if (r < 0) |
08ace05b | 238 | return r; |
55d7bfc1 LP |
239 | else if (r > 0) |
240 | continue; | |
241 | ||
242 | r = parse_field(data, length, "_COMM=", &comm, &comm_len); | |
243 | if (r < 0) | |
08ace05b | 244 | return r; |
55d7bfc1 LP |
245 | else if (r > 0) |
246 | continue; | |
247 | ||
248 | r = parse_field(data, length, "_PID=", &pid, &pid_len); | |
249 | if (r < 0) | |
08ace05b | 250 | return r; |
55d7bfc1 LP |
251 | else if (r > 0) |
252 | continue; | |
253 | ||
6c1e6b98 LP |
254 | r = parse_field(data, length, "SYSLOG_PID=", &fake_pid, &fake_pid_len); |
255 | if (r < 0) | |
08ace05b | 256 | return r; |
6c1e6b98 LP |
257 | else if (r > 0) |
258 | continue; | |
259 | ||
bf967366 LP |
260 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len); |
261 | if (r < 0) | |
08ace05b | 262 | return r; |
bf967366 LP |
263 | else if (r > 0) |
264 | continue; | |
265 | ||
266 | r = parse_field(data, length, "_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len); | |
267 | if (r < 0) | |
08ace05b | 268 | return r; |
bf967366 LP |
269 | else if (r > 0) |
270 | continue; | |
271 | ||
55d7bfc1 LP |
272 | r = parse_field(data, length, "MESSAGE=", &message, &message_len); |
273 | if (r < 0) | |
08ace05b | 274 | return r; |
55d7bfc1 LP |
275 | } |
276 | ||
a72b6353 | 277 | if (r < 0) |
b56d608e | 278 | return log_error_errno(r, "Failed to get journal fields: %m"); |
a72b6353 | 279 | |
07d21025 LP |
280 | if (!message) { |
281 | log_debug("Skipping message without MESSAGE= field."); | |
08ace05b | 282 | return 0; |
07d21025 | 283 | } |
55d7bfc1 | 284 | |
e8bc0ea2 LP |
285 | if (!(flags & OUTPUT_SHOW_ALL)) |
286 | strip_tab_ansi(&message, &message_len); | |
287 | ||
49826187 LP |
288 | if (priority_len == 1 && *priority >= '0' && *priority <= '7') |
289 | p = *priority - '0'; | |
290 | ||
a6e87e90 | 291 | if (mode == OUTPUT_SHORT_MONOTONIC) { |
67a12205 | 292 | uint64_t t; |
3ebcdf8c LP |
293 | sd_id128_t boot_id; |
294 | ||
bf967366 LP |
295 | r = -ENOENT; |
296 | ||
297 | if (monotonic) | |
298 | r = safe_atou64(monotonic, &t); | |
299 | ||
300 | if (r < 0) | |
3ebcdf8c | 301 | r = sd_journal_get_monotonic_usec(j, &t, &boot_id); |
86aa7ba4 | 302 | |
f647962d MS |
303 | if (r < 0) |
304 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
67a12205 | 305 | |
08ace05b | 306 | fprintf(f, "[%5llu.%06llu]", |
609e002e LP |
307 | (unsigned long long) (t / USEC_PER_SEC), |
308 | (unsigned long long) (t % USEC_PER_SEC)); | |
3ebcdf8c LP |
309 | |
310 | n += 1 + 5 + 1 + 6 + 1; | |
311 | ||
67a12205 LP |
312 | } else { |
313 | char buf[64]; | |
bf967366 | 314 | uint64_t x; |
67a12205 LP |
315 | time_t t; |
316 | struct tm tm; | |
9fd29044 | 317 | struct tm *(*gettime_r)(const time_t *, struct tm *); |
731a676c | 318 | |
bf967366 | 319 | r = -ENOENT; |
9fd29044 | 320 | gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r; |
bf967366 LP |
321 | |
322 | if (realtime) | |
323 | r = safe_atou64(realtime, &x); | |
324 | ||
325 | if (r < 0) | |
326 | r = sd_journal_get_realtime_usec(j, &x); | |
67a12205 | 327 | |
f647962d MS |
328 | if (r < 0) |
329 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
67a12205 | 330 | |
bf967366 | 331 | t = (time_t) (x / USEC_PER_SEC); |
f02d8367 ZJS |
332 | |
333 | switch(mode) { | |
334 | case OUTPUT_SHORT_ISO: | |
9fd29044 | 335 | r = strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm)); |
f02d8367 ZJS |
336 | break; |
337 | case OUTPUT_SHORT_PRECISE: | |
9fd29044 | 338 | r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)); |
ece174c5 | 339 | if (r > 0) |
f02d8367 | 340 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
609e002e | 341 | ".%06llu", (unsigned long long) (x % USEC_PER_SEC)); |
f02d8367 ZJS |
342 | break; |
343 | default: | |
9fd29044 | 344 | r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)); |
f02d8367 | 345 | } |
44bc6e1f TT |
346 | |
347 | if (r <= 0) { | |
67a12205 | 348 | log_error("Failed to format time."); |
44bc6e1f | 349 | return -EINVAL; |
67a12205 LP |
350 | } |
351 | ||
08ace05b | 352 | fputs(buf, f); |
67a12205 LP |
353 | n += strlen(buf); |
354 | } | |
86aa7ba4 | 355 | |
08ace05b LP |
356 | if (hostname && shall_print(hostname, hostname_len, flags)) { |
357 | fprintf(f, " %.*s", (int) hostname_len, hostname); | |
55d7bfc1 LP |
358 | n += hostname_len + 1; |
359 | } | |
360 | ||
08ace05b LP |
361 | if (identifier && shall_print(identifier, identifier_len, flags)) { |
362 | fprintf(f, " %.*s", (int) identifier_len, identifier); | |
4cd9a9d9 | 363 | n += identifier_len + 1; |
08ace05b LP |
364 | } else if (comm && shall_print(comm, comm_len, flags)) { |
365 | fprintf(f, " %.*s", (int) comm_len, comm); | |
55d7bfc1 | 366 | n += comm_len + 1; |
b5936820 | 367 | } else |
1248e840 | 368 | fputs(" unknown", f); |
86aa7ba4 | 369 | |
08ace05b LP |
370 | if (pid && shall_print(pid, pid_len, flags)) { |
371 | fprintf(f, "[%.*s]", (int) pid_len, pid); | |
55d7bfc1 | 372 | n += pid_len + 2; |
08ace05b LP |
373 | } else if (fake_pid && shall_print(fake_pid, fake_pid_len, flags)) { |
374 | fprintf(f, "[%.*s]", (int) fake_pid_len, fake_pid); | |
6c1e6b98 | 375 | n += fake_pid_len + 2; |
86aa7ba4 LP |
376 | } |
377 | ||
31f7bf19 | 378 | if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) { |
e6acda19 | 379 | char bytes[FORMAT_BYTES_MAX]; |
08ace05b | 380 | fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len)); |
31f7bf19 ZJS |
381 | } else { |
382 | fputs(": ", f); | |
94e0bd7d ZJS |
383 | ellipsized |= |
384 | print_multiline(f, n + 2, n_columns, flags, p, message, message_len); | |
31f7bf19 | 385 | } |
55d7bfc1 | 386 | |
d4205751 LP |
387 | if (flags & OUTPUT_CATALOG) |
388 | print_catalog(f, j); | |
389 | ||
94e0bd7d | 390 | return ellipsized; |
86aa7ba4 LP |
391 | } |
392 | ||
08ace05b LP |
393 | static int output_verbose( |
394 | FILE *f, | |
395 | sd_journal *j, | |
396 | OutputMode mode, | |
397 | unsigned n_columns, | |
398 | OutputFlags flags) { | |
399 | ||
86aa7ba4 LP |
400 | const void *data; |
401 | size_t length; | |
7fd1b19b | 402 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 | 403 | uint64_t realtime; |
f02d8367 | 404 | char ts[FORMAT_TIMESTAMP_MAX + 7]; |
86aa7ba4 LP |
405 | int r; |
406 | ||
08ace05b | 407 | assert(f); |
86aa7ba4 LP |
408 | assert(j); |
409 | ||
93b73b06 LP |
410 | sd_journal_set_data_threshold(j, 0); |
411 | ||
cf40f0be ZJS |
412 | r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length); |
413 | if (r == -ENOENT) | |
414 | log_debug("Source realtime timestamp not found"); | |
b56d608e LP |
415 | else if (r < 0) |
416 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get source realtime timestamp: %m"); | |
417 | else { | |
cf40f0be ZJS |
418 | _cleanup_free_ char *value = NULL; |
419 | size_t size; | |
420 | ||
421 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &value, &size); | |
422 | if (r < 0) | |
da927ba9 | 423 | log_debug_errno(r, "_SOURCE_REALTIME_TIMESTAMP invalid: %m"); |
cf40f0be ZJS |
424 | else { |
425 | r = safe_atou64(value, &realtime); | |
426 | if (r < 0) | |
c33b3297 | 427 | log_debug_errno(r, "Failed to parse realtime timestamp: %m"); |
cf40f0be ZJS |
428 | } |
429 | } | |
430 | ||
431 | if (r < 0) { | |
432 | r = sd_journal_get_realtime_usec(j, &realtime); | |
b56d608e LP |
433 | if (r < 0) |
434 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
435 | } |
436 | ||
437 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
438 | if (r < 0) |
439 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 440 | |
08ace05b | 441 | fprintf(f, "%s [%s]\n", |
5ab99e07 LP |
442 | flags & OUTPUT_UTC ? |
443 | format_timestamp_us_utc(ts, sizeof(ts), realtime) : | |
444 | format_timestamp_us(ts, sizeof(ts), realtime), | |
08ace05b | 445 | cursor); |
86aa7ba4 | 446 | |
a72b6353 | 447 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
31f7bf19 ZJS |
448 | const char *c; |
449 | int fieldlen; | |
7ac4fa7e ZJS |
450 | const char *on = "", *off = ""; |
451 | ||
31f7bf19 ZJS |
452 | c = memchr(data, '=', length); |
453 | if (!c) { | |
454 | log_error("Invalid field."); | |
455 | return -EINVAL; | |
456 | } | |
457 | fieldlen = c - (const char*) data; | |
86aa7ba4 | 458 | |
7ac4fa7e | 459 | if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) { |
1fc464f6 LP |
460 | on = ANSI_HIGHLIGHT; |
461 | off = ANSI_NORMAL; | |
7ac4fa7e ZJS |
462 | } |
463 | ||
464 | if (flags & OUTPUT_SHOW_ALL || | |
a6f0104a ZJS |
465 | (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH) |
466 | && utf8_is_printable(data, length))) { | |
7ac4fa7e | 467 | fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data); |
31f7bf19 | 468 | print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1); |
7ac4fa7e | 469 | fputs(off, f); |
31f7bf19 ZJS |
470 | } else { |
471 | char bytes[FORMAT_BYTES_MAX]; | |
86aa7ba4 | 472 | |
7ac4fa7e ZJS |
473 | fprintf(f, " %s%.*s=[%s blob data]%s\n", |
474 | on, | |
31f7bf19 ZJS |
475 | (int) (c - (const char*) data), |
476 | (const char*) data, | |
7ac4fa7e ZJS |
477 | format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1), |
478 | off); | |
31f7bf19 | 479 | } |
86aa7ba4 LP |
480 | } |
481 | ||
a72b6353 ZJS |
482 | if (r < 0) |
483 | return r; | |
484 | ||
d4205751 LP |
485 | if (flags & OUTPUT_CATALOG) |
486 | print_catalog(f, j); | |
487 | ||
86aa7ba4 LP |
488 | return 0; |
489 | } | |
490 | ||
08ace05b LP |
491 | static int output_export( |
492 | FILE *f, | |
493 | sd_journal *j, | |
494 | OutputMode mode, | |
495 | unsigned n_columns, | |
496 | OutputFlags flags) { | |
497 | ||
86aa7ba4 LP |
498 | sd_id128_t boot_id; |
499 | char sid[33]; | |
500 | int r; | |
501 | usec_t realtime, monotonic; | |
7fd1b19b | 502 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
503 | const void *data; |
504 | size_t length; | |
505 | ||
506 | assert(j); | |
507 | ||
93b73b06 LP |
508 | sd_journal_set_data_threshold(j, 0); |
509 | ||
86aa7ba4 | 510 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
511 | if (r < 0) |
512 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
513 | |
514 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
515 | if (r < 0) |
516 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
517 | |
518 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
519 | if (r < 0) |
520 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 521 | |
08ace05b LP |
522 | fprintf(f, |
523 | "__CURSOR=%s\n" | |
de0671ee ZJS |
524 | "__REALTIME_TIMESTAMP="USEC_FMT"\n" |
525 | "__MONOTONIC_TIMESTAMP="USEC_FMT"\n" | |
08ace05b LP |
526 | "_BOOT_ID=%s\n", |
527 | cursor, | |
de0671ee ZJS |
528 | realtime, |
529 | monotonic, | |
08ace05b | 530 | sd_id128_to_string(boot_id, sid)); |
86aa7ba4 | 531 | |
a72b6353 | 532 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
86aa7ba4 | 533 | |
112301ae LP |
534 | /* We already printed the boot id, from the data in |
535 | * the header, hence let's suppress it here */ | |
536 | if (length >= 9 && | |
2a0e0692 | 537 | startswith(data, "_BOOT_ID=")) |
112301ae LP |
538 | continue; |
539 | ||
0ade5ffe ZJS |
540 | if (utf8_is_printable_newline(data, length, false)) |
541 | fwrite(data, length, 1, f); | |
542 | else { | |
86aa7ba4 LP |
543 | const char *c; |
544 | uint64_t le64; | |
545 | ||
546 | c = memchr(data, '=', length); | |
547 | if (!c) { | |
548 | log_error("Invalid field."); | |
549 | return -EINVAL; | |
550 | } | |
551 | ||
08ace05b LP |
552 | fwrite(data, c - (const char*) data, 1, f); |
553 | fputc('\n', f); | |
86aa7ba4 | 554 | le64 = htole64(length - (c - (const char*) data) - 1); |
08ace05b LP |
555 | fwrite(&le64, sizeof(le64), 1, f); |
556 | fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f); | |
0ade5ffe | 557 | } |
86aa7ba4 | 558 | |
08ace05b | 559 | fputc('\n', f); |
86aa7ba4 LP |
560 | } |
561 | ||
a72b6353 ZJS |
562 | if (r < 0) |
563 | return r; | |
564 | ||
08ace05b | 565 | fputc('\n', f); |
86aa7ba4 LP |
566 | |
567 | return 0; | |
568 | } | |
569 | ||
240a5fe8 | 570 | void json_escape( |
08ace05b LP |
571 | FILE *f, |
572 | const char* p, | |
573 | size_t l, | |
574 | OutputFlags flags) { | |
575 | ||
576 | assert(f); | |
577 | assert(p); | |
578 | ||
93b73b06 | 579 | if (!(flags & OUTPUT_SHOW_ALL) && l >= JSON_THRESHOLD) |
08ace05b LP |
580 | fputs("null", f); |
581 | ||
31f7bf19 | 582 | else if (!utf8_is_printable(p, l)) { |
86aa7ba4 LP |
583 | bool not_first = false; |
584 | ||
08ace05b | 585 | fputs("[ ", f); |
86aa7ba4 LP |
586 | |
587 | while (l > 0) { | |
588 | if (not_first) | |
08ace05b | 589 | fprintf(f, ", %u", (uint8_t) *p); |
86aa7ba4 LP |
590 | else { |
591 | not_first = true; | |
08ace05b | 592 | fprintf(f, "%u", (uint8_t) *p); |
86aa7ba4 LP |
593 | } |
594 | ||
595 | p++; | |
596 | l--; | |
597 | } | |
598 | ||
08ace05b | 599 | fputs(" ]", f); |
86aa7ba4 | 600 | } else { |
08ace05b | 601 | fputc('\"', f); |
86aa7ba4 LP |
602 | |
603 | while (l > 0) { | |
604 | if (*p == '"' || *p == '\\') { | |
08ace05b LP |
605 | fputc('\\', f); |
606 | fputc(*p, f); | |
31f7bf19 ZJS |
607 | } else if (*p == '\n') |
608 | fputs("\\n", f); | |
91a8a108 DM |
609 | else if ((uint8_t) *p < ' ') |
610 | fprintf(f, "\\u%04x", (uint8_t) *p); | |
08ace05b LP |
611 | else |
612 | fputc(*p, f); | |
86aa7ba4 LP |
613 | |
614 | p++; | |
615 | l--; | |
616 | } | |
617 | ||
08ace05b | 618 | fputc('\"', f); |
86aa7ba4 LP |
619 | } |
620 | } | |
621 | ||
08ace05b LP |
622 | static int output_json( |
623 | FILE *f, | |
624 | sd_journal *j, | |
625 | OutputMode mode, | |
626 | unsigned n_columns, | |
627 | OutputFlags flags) { | |
628 | ||
86aa7ba4 | 629 | uint64_t realtime, monotonic; |
7fd1b19b | 630 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
631 | const void *data; |
632 | size_t length; | |
633 | sd_id128_t boot_id; | |
2e729834 | 634 | char sid[33], *k; |
86aa7ba4 | 635 | int r; |
d99ae53a LP |
636 | Hashmap *h = NULL; |
637 | bool done, separator; | |
86aa7ba4 LP |
638 | |
639 | assert(j); | |
640 | ||
93b73b06 LP |
641 | sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD); |
642 | ||
86aa7ba4 | 643 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
644 | if (r < 0) |
645 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
646 | |
647 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
648 | if (r < 0) |
649 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
650 | |
651 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
652 | if (r < 0) |
653 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 654 | |
a6e87e90 | 655 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b LP |
656 | fprintf(f, |
657 | "{\n" | |
658 | "\t\"__CURSOR\" : \"%s\",\n" | |
de0671ee ZJS |
659 | "\t\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\",\n" |
660 | "\t\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\",\n" | |
08ace05b LP |
661 | "\t\"_BOOT_ID\" : \"%s\"", |
662 | cursor, | |
de0671ee ZJS |
663 | realtime, |
664 | monotonic, | |
08ace05b | 665 | sd_id128_to_string(boot_id, sid)); |
48383c25 LP |
666 | else { |
667 | if (mode == OUTPUT_JSON_SSE) | |
668 | fputs("data: ", f); | |
669 | ||
08ace05b LP |
670 | fprintf(f, |
671 | "{ \"__CURSOR\" : \"%s\", " | |
de0671ee ZJS |
672 | "\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\", " |
673 | "\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\", " | |
08ace05b LP |
674 | "\"_BOOT_ID\" : \"%s\"", |
675 | cursor, | |
de0671ee ZJS |
676 | realtime, |
677 | monotonic, | |
08ace05b | 678 | sd_id128_to_string(boot_id, sid)); |
48383c25 | 679 | } |
86aa7ba4 | 680 | |
d5099efc | 681 | h = hashmap_new(&string_hash_ops); |
d99ae53a | 682 | if (!h) |
b56d608e | 683 | return log_oom(); |
d99ae53a LP |
684 | |
685 | /* First round, iterate through the entry and count how often each field appears */ | |
a72b6353 | 686 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
d99ae53a LP |
687 | const char *eq; |
688 | char *n; | |
689 | unsigned u; | |
86aa7ba4 | 690 | |
112301ae LP |
691 | if (length >= 9 && |
692 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
693 | continue; | |
694 | ||
d99ae53a LP |
695 | eq = memchr(data, '=', length); |
696 | if (!eq) | |
697 | continue; | |
86aa7ba4 | 698 | |
d99ae53a LP |
699 | n = strndup(data, eq - (const char*) data); |
700 | if (!n) { | |
b56d608e | 701 | r = log_oom(); |
d99ae53a LP |
702 | goto finish; |
703 | } | |
a6e87e90 | 704 | |
d99ae53a LP |
705 | u = PTR_TO_UINT(hashmap_get(h, n)); |
706 | if (u == 0) { | |
707 | r = hashmap_put(h, n, UINT_TO_PTR(1)); | |
708 | if (r < 0) { | |
709 | free(n); | |
b56d608e | 710 | log_oom(); |
d99ae53a LP |
711 | goto finish; |
712 | } | |
713 | } else { | |
714 | r = hashmap_update(h, n, UINT_TO_PTR(u + 1)); | |
715 | free(n); | |
b56d608e LP |
716 | if (r < 0) { |
717 | log_oom(); | |
d99ae53a | 718 | goto finish; |
b56d608e | 719 | } |
d99ae53a | 720 | } |
86aa7ba4 LP |
721 | } |
722 | ||
a72b6353 ZJS |
723 | if (r < 0) |
724 | return r; | |
725 | ||
d99ae53a LP |
726 | separator = true; |
727 | do { | |
728 | done = true; | |
729 | ||
730 | SD_JOURNAL_FOREACH_DATA(j, data, length) { | |
731 | const char *eq; | |
732 | char *kk, *n; | |
733 | size_t m; | |
734 | unsigned u; | |
735 | ||
736 | /* We already printed the boot id, from the data in | |
737 | * the header, hence let's suppress it here */ | |
738 | if (length >= 9 && | |
739 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
740 | continue; | |
741 | ||
742 | eq = memchr(data, '=', length); | |
743 | if (!eq) | |
744 | continue; | |
745 | ||
746 | if (separator) { | |
747 | if (mode == OUTPUT_JSON_PRETTY) | |
748 | fputs(",\n\t", f); | |
749 | else | |
750 | fputs(", ", f); | |
751 | } | |
752 | ||
753 | m = eq - (const char*) data; | |
754 | ||
755 | n = strndup(data, m); | |
756 | if (!n) { | |
b56d608e | 757 | r = log_oom(); |
d99ae53a LP |
758 | goto finish; |
759 | } | |
760 | ||
761 | u = PTR_TO_UINT(hashmap_get2(h, n, (void**) &kk)); | |
762 | if (u == 0) { | |
763 | /* We already printed this, let's jump to the next */ | |
764 | free(n); | |
765 | separator = false; | |
766 | ||
767 | continue; | |
768 | } else if (u == 1) { | |
769 | /* Field only appears once, output it directly */ | |
770 | ||
771 | json_escape(f, data, m, flags); | |
772 | fputs(" : ", f); | |
773 | ||
774 | json_escape(f, eq + 1, length - m - 1, flags); | |
775 | ||
776 | hashmap_remove(h, n); | |
777 | free(kk); | |
778 | free(n); | |
779 | ||
780 | separator = true; | |
781 | ||
782 | continue; | |
783 | ||
784 | } else { | |
785 | /* Field appears multiple times, output it as array */ | |
786 | json_escape(f, data, m, flags); | |
787 | fputs(" : [ ", f); | |
788 | json_escape(f, eq + 1, length - m - 1, flags); | |
789 | ||
790 | /* Iterate through the end of the list */ | |
791 | ||
792 | while (sd_journal_enumerate_data(j, &data, &length) > 0) { | |
793 | if (length < m + 1) | |
794 | continue; | |
795 | ||
796 | if (memcmp(data, n, m) != 0) | |
797 | continue; | |
798 | ||
799 | if (((const char*) data)[m] != '=') | |
800 | continue; | |
801 | ||
802 | fputs(", ", f); | |
803 | json_escape(f, (const char*) data + m + 1, length - m - 1, flags); | |
804 | } | |
805 | ||
806 | fputs(" ]", f); | |
807 | ||
808 | hashmap_remove(h, n); | |
809 | free(kk); | |
810 | free(n); | |
811 | ||
812 | /* Iterate data fields form the beginning */ | |
813 | done = false; | |
814 | separator = true; | |
815 | ||
816 | break; | |
817 | } | |
818 | } | |
819 | ||
820 | } while (!done); | |
821 | ||
a6e87e90 | 822 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b | 823 | fputs("\n}\n", f); |
48383c25 LP |
824 | else if (mode == OUTPUT_JSON_SSE) |
825 | fputs("}\n\n", f); | |
a6e87e90 | 826 | else |
08ace05b | 827 | fputs(" }\n", f); |
86aa7ba4 | 828 | |
d99ae53a LP |
829 | r = 0; |
830 | ||
831 | finish: | |
832 | while ((k = hashmap_steal_first_key(h))) | |
833 | free(k); | |
834 | ||
835 | hashmap_free(h); | |
836 | ||
837 | return r; | |
86aa7ba4 LP |
838 | } |
839 | ||
08ace05b LP |
840 | static int output_cat( |
841 | FILE *f, | |
842 | sd_journal *j, | |
843 | OutputMode mode, | |
844 | unsigned n_columns, | |
845 | OutputFlags flags) { | |
846 | ||
d3f2bdbf LP |
847 | const void *data; |
848 | size_t l; | |
849 | int r; | |
850 | ||
851 | assert(j); | |
08ace05b | 852 | assert(f); |
d3f2bdbf | 853 | |
93b73b06 LP |
854 | sd_journal_set_data_threshold(j, 0); |
855 | ||
d3f2bdbf LP |
856 | r = sd_journal_get_data(j, "MESSAGE", &data, &l); |
857 | if (r < 0) { | |
c198300f LP |
858 | /* An entry without MESSAGE=? */ |
859 | if (r == -ENOENT) | |
860 | return 0; | |
861 | ||
8d3d7072 | 862 | return log_error_errno(r, "Failed to get data: %m"); |
d3f2bdbf LP |
863 | } |
864 | ||
865 | assert(l >= 8); | |
866 | ||
08ace05b LP |
867 | fwrite((const char*) data + 8, 1, l - 8, f); |
868 | fputc('\n', f); | |
d3f2bdbf LP |
869 | |
870 | return 0; | |
871 | } | |
872 | ||
08ace05b LP |
873 | static int (*output_funcs[_OUTPUT_MODE_MAX])( |
874 | FILE *f, | |
875 | sd_journal*j, | |
876 | OutputMode mode, | |
877 | unsigned n_columns, | |
878 | OutputFlags flags) = { | |
879 | ||
a6e87e90 | 880 | [OUTPUT_SHORT] = output_short, |
44bc6e1f | 881 | [OUTPUT_SHORT_ISO] = output_short, |
f02d8367 ZJS |
882 | [OUTPUT_SHORT_PRECISE] = output_short, |
883 | [OUTPUT_SHORT_MONOTONIC] = output_short, | |
86aa7ba4 LP |
884 | [OUTPUT_VERBOSE] = output_verbose, |
885 | [OUTPUT_EXPORT] = output_export, | |
d3f2bdbf | 886 | [OUTPUT_JSON] = output_json, |
a6e87e90 | 887 | [OUTPUT_JSON_PRETTY] = output_json, |
48383c25 | 888 | [OUTPUT_JSON_SSE] = output_json, |
d3f2bdbf | 889 | [OUTPUT_CAT] = output_cat |
86aa7ba4 LP |
890 | }; |
891 | ||
08ace05b LP |
892 | int output_journal( |
893 | FILE *f, | |
894 | sd_journal *j, | |
895 | OutputMode mode, | |
896 | unsigned n_columns, | |
94e0bd7d ZJS |
897 | OutputFlags flags, |
898 | bool *ellipsized) { | |
08ace05b | 899 | |
e268b81e | 900 | int ret; |
df50185b | 901 | assert(mode >= 0); |
86aa7ba4 LP |
902 | assert(mode < _OUTPUT_MODE_MAX); |
903 | ||
34a35ece LP |
904 | if (n_columns <= 0) |
905 | n_columns = columns(); | |
906 | ||
08ace05b | 907 | ret = output_funcs[mode](f, j, mode, n_columns, flags); |
e268b81e | 908 | fflush(stdout); |
94e0bd7d ZJS |
909 | |
910 | if (ellipsized && ret > 0) | |
911 | *ellipsized = true; | |
912 | ||
e268b81e | 913 | return ret; |
86aa7ba4 LP |
914 | } |
915 | ||
ea6c2dd1 LP |
916 | static int maybe_print_begin_newline(FILE *f, OutputFlags *flags) { |
917 | assert(f); | |
918 | assert(flags); | |
919 | ||
920 | if (!(*flags & OUTPUT_BEGIN_NEWLINE)) | |
921 | return 0; | |
922 | ||
923 | /* Print a beginning new line if that's request, but only once | |
924 | * on the first line we print. */ | |
925 | ||
926 | fputc('\n', f); | |
927 | *flags &= ~OUTPUT_BEGIN_NEWLINE; | |
928 | return 0; | |
929 | } | |
930 | ||
1a6c43e9 MT |
931 | static int show_journal(FILE *f, |
932 | sd_journal *j, | |
933 | OutputMode mode, | |
934 | unsigned n_columns, | |
935 | usec_t not_before, | |
936 | unsigned how_many, | |
94e0bd7d ZJS |
937 | OutputFlags flags, |
938 | bool *ellipsized) { | |
86aa7ba4 | 939 | |
86aa7ba4 | 940 | int r; |
df50185b LP |
941 | unsigned line = 0; |
942 | bool need_seek = false; | |
085d7120 | 943 | int warn_cutoff = flags & OUTPUT_WARN_CUTOFF; |
86aa7ba4 | 944 | |
1a6c43e9 | 945 | assert(j); |
df50185b LP |
946 | assert(mode >= 0); |
947 | assert(mode < _OUTPUT_MODE_MAX); | |
1946b0bd LP |
948 | |
949 | /* Seek to end */ | |
86aa7ba4 LP |
950 | r = sd_journal_seek_tail(j); |
951 | if (r < 0) | |
b56d608e | 952 | return log_error_errno(r, "Failed to seek to tail: %m"); |
86aa7ba4 | 953 | |
df50185b LP |
954 | r = sd_journal_previous_skip(j, how_many); |
955 | if (r < 0) | |
b56d608e | 956 | return log_error_errno(r, "Failed to skip previous: %m"); |
86aa7ba4 | 957 | |
df50185b LP |
958 | for (;;) { |
959 | for (;;) { | |
960 | usec_t usec; | |
961 | ||
962 | if (need_seek) { | |
963 | r = sd_journal_next(j); | |
964 | if (r < 0) | |
b56d608e | 965 | return log_error_errno(r, "Failed to iterate through journal: %m"); |
df50185b LP |
966 | } |
967 | ||
968 | if (r == 0) | |
969 | break; | |
86aa7ba4 | 970 | |
df50185b LP |
971 | need_seek = true; |
972 | ||
973 | if (not_before > 0) { | |
974 | r = sd_journal_get_monotonic_usec(j, &usec, NULL); | |
975 | ||
976 | /* -ESTALE is returned if the | |
977 | timestamp is not from this boot */ | |
978 | if (r == -ESTALE) | |
979 | continue; | |
980 | else if (r < 0) | |
b56d608e | 981 | return log_error_errno(r, "Failed to get journal time: %m"); |
df50185b LP |
982 | |
983 | if (usec < not_before) | |
984 | continue; | |
985 | } | |
986 | ||
987 | line ++; | |
ea6c2dd1 | 988 | maybe_print_begin_newline(f, &flags); |
df50185b | 989 | |
94e0bd7d | 990 | r = output_journal(f, j, mode, n_columns, flags, ellipsized); |
df50185b | 991 | if (r < 0) |
b56d608e | 992 | return r; |
df50185b LP |
993 | } |
994 | ||
08984293 LP |
995 | if (warn_cutoff && line < how_many && not_before > 0) { |
996 | sd_id128_t boot_id; | |
a7f7d1bd | 997 | usec_t cutoff = 0; |
08984293 LP |
998 | |
999 | /* Check whether the cutoff line is too early */ | |
1000 | ||
1001 | r = sd_id128_get_boot(&boot_id); | |
1002 | if (r < 0) | |
b56d608e | 1003 | return log_error_errno(r, "Failed to get boot id: %m"); |
08984293 LP |
1004 | |
1005 | r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL); | |
1006 | if (r < 0) | |
b56d608e | 1007 | return log_error_errno(r, "Failed to get journal cutoff time: %m"); |
08984293 | 1008 | |
ea6c2dd1 LP |
1009 | if (r > 0 && not_before < cutoff) { |
1010 | maybe_print_begin_newline(f, &flags); | |
08ace05b | 1011 | fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n"); |
ea6c2dd1 | 1012 | } |
08984293 LP |
1013 | |
1014 | warn_cutoff = false; | |
1015 | } | |
1016 | ||
085d7120 | 1017 | if (!(flags & OUTPUT_FOLLOW)) |
86aa7ba4 LP |
1018 | break; |
1019 | ||
3a43da28 | 1020 | r = sd_journal_wait(j, USEC_INFINITY); |
df50185b | 1021 | if (r < 0) |
b56d608e | 1022 | return log_error_errno(r, "Failed to wait for journal: %m"); |
df50185b | 1023 | |
86aa7ba4 LP |
1024 | } |
1025 | ||
b56d608e | 1026 | return 0; |
1a6c43e9 MT |
1027 | } |
1028 | ||
886a64fe | 1029 | int add_matches_for_unit(sd_journal *j, const char *unit) { |
1a6c43e9 | 1030 | int r; |
2d0b2e87 | 1031 | char *m1, *m2, *m3, *m4; |
1a6c43e9 | 1032 | |
886a64fe | 1033 | assert(j); |
1a6c43e9 MT |
1034 | assert(unit); |
1035 | ||
63c372cb LP |
1036 | m1 = strjoina("_SYSTEMD_UNIT=", unit); |
1037 | m2 = strjoina("COREDUMP_UNIT=", unit); | |
1038 | m3 = strjoina("UNIT=", unit); | |
1039 | m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit); | |
1a6c43e9 | 1040 | |
886a64fe ZJS |
1041 | (void)( |
1042 | /* Look for messages from the service itself */ | |
1043 | (r = sd_journal_add_match(j, m1, 0)) || | |
1044 | ||
1045 | /* Look for coredumps of the service */ | |
1046 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df ZJS |
1047 | (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) || |
1048 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
886a64fe ZJS |
1049 | (r = sd_journal_add_match(j, m2, 0)) || |
1050 | ||
1051 | /* Look for messages from PID 1 about this service */ | |
1052 | (r = sd_journal_add_disjunction(j)) || | |
1053 | (r = sd_journal_add_match(j, "_PID=1", 0)) || | |
2d0b2e87 ZJS |
1054 | (r = sd_journal_add_match(j, m3, 0)) || |
1055 | ||
1056 | /* Look for messages from authorized daemons about this service */ | |
1057 | (r = sd_journal_add_disjunction(j)) || | |
1058 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1059 | (r = sd_journal_add_match(j, m4, 0)) | |
886a64fe | 1060 | ); |
2d0b2e87 | 1061 | |
69ae3ee0 ZJS |
1062 | if (r == 0 && endswith(unit, ".slice")) { |
1063 | char *m5 = strappend("_SYSTEMD_SLICE=", unit); | |
1064 | ||
1065 | /* Show all messages belonging to a slice */ | |
1066 | (void)( | |
1067 | (r = sd_journal_add_disjunction(j)) || | |
1068 | (r = sd_journal_add_match(j, m5, 0)) | |
1069 | ); | |
1070 | } | |
1071 | ||
886a64fe ZJS |
1072 | return r; |
1073 | } | |
1a6c43e9 | 1074 | |
886a64fe ZJS |
1075 | int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { |
1076 | int r; | |
2d0b2e87 ZJS |
1077 | char *m1, *m2, *m3, *m4; |
1078 | char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; | |
1a6c43e9 | 1079 | |
886a64fe ZJS |
1080 | assert(j); |
1081 | assert(unit); | |
1a6c43e9 | 1082 | |
63c372cb LP |
1083 | m1 = strjoina("_SYSTEMD_USER_UNIT=", unit); |
1084 | m2 = strjoina("USER_UNIT=", unit); | |
1085 | m3 = strjoina("COREDUMP_USER_UNIT=", unit); | |
1086 | m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit); | |
de0671ee | 1087 | sprintf(muid, "_UID="UID_FMT, uid); |
1a6c43e9 | 1088 | |
886a64fe ZJS |
1089 | (void) ( |
1090 | /* Look for messages from the user service itself */ | |
1091 | (r = sd_journal_add_match(j, m1, 0)) || | |
2d0b2e87 | 1092 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1093 | |
1094 | /* Look for messages from systemd about this service */ | |
1095 | (r = sd_journal_add_disjunction(j)) || | |
1096 | (r = sd_journal_add_match(j, m2, 0)) || | |
2d0b2e87 | 1097 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1098 | |
1099 | /* Look for coredumps of the service */ | |
1100 | (r = sd_journal_add_disjunction(j)) || | |
1101 | (r = sd_journal_add_match(j, m3, 0)) || | |
2d0b2e87 ZJS |
1102 | (r = sd_journal_add_match(j, muid, 0)) || |
1103 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1104 | ||
1105 | /* Look for messages from authorized daemons about this service */ | |
1106 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df | 1107 | (r = sd_journal_add_match(j, m4, 0)) || |
2d0b2e87 | 1108 | (r = sd_journal_add_match(j, muid, 0)) || |
fdcd37df | 1109 | (r = sd_journal_add_match(j, "_UID=0", 0)) |
886a64fe | 1110 | ); |
69ae3ee0 ZJS |
1111 | |
1112 | if (r == 0 && endswith(unit, ".slice")) { | |
1113 | char *m5 = strappend("_SYSTEMD_SLICE=", unit); | |
1114 | ||
1115 | /* Show all messages belonging to a slice */ | |
1116 | (void)( | |
1117 | (r = sd_journal_add_disjunction(j)) || | |
1118 | (r = sd_journal_add_match(j, m5, 0)) || | |
1119 | (r = sd_journal_add_match(j, muid, 0)) | |
1120 | ); | |
1121 | } | |
1122 | ||
1a6c43e9 MT |
1123 | return r; |
1124 | } | |
1125 | ||
b6741478 | 1126 | static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) { |
3d94f76c | 1127 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; |
a4475f57 | 1128 | _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; |
b6741478 LP |
1129 | pid_t pid, child; |
1130 | siginfo_t si; | |
1131 | char buf[37]; | |
1132 | ssize_t k; | |
1133 | int r; | |
1134 | ||
1135 | assert(machine); | |
1136 | assert(boot_id); | |
1137 | ||
affcf189 | 1138 | if (!machine_name_is_valid(machine)) |
b6741478 LP |
1139 | return -EINVAL; |
1140 | ||
e04b0cdb | 1141 | r = container_get_leader(machine, &pid); |
b6741478 LP |
1142 | if (r < 0) |
1143 | return r; | |
e04b0cdb | 1144 | |
671c3419 | 1145 | r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, NULL, &rootfd); |
b6741478 LP |
1146 | if (r < 0) |
1147 | return r; | |
1148 | ||
e04b0cdb | 1149 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) |
b6741478 LP |
1150 | return -errno; |
1151 | ||
1152 | child = fork(); | |
1153 | if (child < 0) | |
1154 | return -errno; | |
1155 | ||
1156 | if (child == 0) { | |
1157 | int fd; | |
1158 | ||
03e334a1 | 1159 | pair[0] = safe_close(pair[0]); |
b6741478 | 1160 | |
671c3419 | 1161 | r = namespace_enter(pidnsfd, mntnsfd, -1, -1, rootfd); |
b6741478 LP |
1162 | if (r < 0) |
1163 | _exit(EXIT_FAILURE); | |
1164 | ||
1165 | fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
1166 | if (fd < 0) | |
1167 | _exit(EXIT_FAILURE); | |
1168 | ||
a6dcc7e5 | 1169 | r = loop_read_exact(fd, buf, 36, false); |
03e334a1 | 1170 | safe_close(fd); |
6c767d1e | 1171 | if (r < 0) |
b6741478 LP |
1172 | _exit(EXIT_FAILURE); |
1173 | ||
e04b0cdb | 1174 | k = send(pair[1], buf, 36, MSG_NOSIGNAL); |
b6741478 LP |
1175 | if (k != 36) |
1176 | _exit(EXIT_FAILURE); | |
1177 | ||
1178 | _exit(EXIT_SUCCESS); | |
1179 | } | |
1180 | ||
03e334a1 | 1181 | pair[1] = safe_close(pair[1]); |
b6741478 | 1182 | |
b6741478 LP |
1183 | r = wait_for_terminate(child, &si); |
1184 | if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) | |
1185 | return r < 0 ? r : -EIO; | |
1186 | ||
fbadf045 LP |
1187 | k = recv(pair[0], buf, 36, 0); |
1188 | if (k != 36) | |
1189 | return -EIO; | |
1190 | ||
b6741478 LP |
1191 | buf[36] = 0; |
1192 | r = sd_id128_from_string(buf, boot_id); | |
1193 | if (r < 0) | |
1194 | return r; | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | int add_match_this_boot(sd_journal *j, const char *machine) { | |
5ec76417 ZJS |
1200 | char match[9+32+1] = "_BOOT_ID="; |
1201 | sd_id128_t boot_id; | |
1202 | int r; | |
1203 | ||
1204 | assert(j); | |
1205 | ||
b6741478 LP |
1206 | if (machine) { |
1207 | r = get_boot_id_for_machine(machine, &boot_id); | |
f647962d MS |
1208 | if (r < 0) |
1209 | return log_error_errno(r, "Failed to get boot id of container %s: %m", machine); | |
b6741478 LP |
1210 | } else { |
1211 | r = sd_id128_get_boot(&boot_id); | |
f647962d MS |
1212 | if (r < 0) |
1213 | return log_error_errno(r, "Failed to get boot id: %m"); | |
5ec76417 ZJS |
1214 | } |
1215 | ||
1216 | sd_id128_to_string(boot_id, match + 9); | |
1217 | r = sd_journal_add_match(j, match, strlen(match)); | |
f647962d MS |
1218 | if (r < 0) |
1219 | return log_error_errno(r, "Failed to add match: %m"); | |
5ec76417 ZJS |
1220 | |
1221 | r = sd_journal_add_conjunction(j); | |
1222 | if (r < 0) | |
b56d608e | 1223 | return log_error_errno(r, "Failed to add conjunction: %m"); |
5ec76417 ZJS |
1224 | |
1225 | return 0; | |
1226 | } | |
1227 | ||
886a64fe | 1228 | int show_journal_by_unit( |
1a6c43e9 MT |
1229 | FILE *f, |
1230 | const char *unit, | |
1231 | OutputMode mode, | |
1232 | unsigned n_columns, | |
1233 | usec_t not_before, | |
1234 | unsigned how_many, | |
1235 | uid_t uid, | |
886a64fe | 1236 | OutputFlags flags, |
3c756001 LP |
1237 | int journal_open_flags, |
1238 | bool system_unit, | |
94e0bd7d | 1239 | bool *ellipsized) { |
1a6c43e9 | 1240 | |
7fd1b19b | 1241 | _cleanup_journal_close_ sd_journal*j = NULL; |
1a6c43e9 MT |
1242 | int r; |
1243 | ||
1244 | assert(mode >= 0); | |
1245 | assert(mode < _OUTPUT_MODE_MAX); | |
1246 | assert(unit); | |
1247 | ||
1a6c43e9 MT |
1248 | if (how_many <= 0) |
1249 | return 0; | |
1250 | ||
3c756001 | 1251 | r = sd_journal_open(&j, journal_open_flags); |
f9045468 | 1252 | if (r < 0) |
b56d608e | 1253 | return log_error_errno(r, "Failed to open journal: %m"); |
f9045468 | 1254 | |
b6741478 | 1255 | r = add_match_this_boot(j, NULL); |
5ec76417 ZJS |
1256 | if (r < 0) |
1257 | return r; | |
1258 | ||
3c756001 | 1259 | if (system_unit) |
886a64fe ZJS |
1260 | r = add_matches_for_unit(j, unit); |
1261 | else | |
1262 | r = add_matches_for_user_unit(j, unit, uid); | |
1a6c43e9 | 1263 | if (r < 0) |
b56d608e | 1264 | return log_error_errno(r, "Failed to add unit matches: %m"); |
1a6c43e9 | 1265 | |
553d2243 | 1266 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) { |
4ad16808 ZJS |
1267 | _cleanup_free_ char *filter; |
1268 | ||
1269 | filter = journal_make_match_string(j); | |
b56d608e LP |
1270 | if (!filter) |
1271 | return log_oom(); | |
1272 | ||
4ad16808 ZJS |
1273 | log_debug("Journal filter: %s", filter); |
1274 | } | |
5ec76417 | 1275 | |
94e0bd7d | 1276 | return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized); |
86aa7ba4 | 1277 | } |
df50185b LP |
1278 | |
1279 | static const char *const output_mode_table[_OUTPUT_MODE_MAX] = { | |
1280 | [OUTPUT_SHORT] = "short", | |
44bc6e1f | 1281 | [OUTPUT_SHORT_ISO] = "short-iso", |
f02d8367 ZJS |
1282 | [OUTPUT_SHORT_PRECISE] = "short-precise", |
1283 | [OUTPUT_SHORT_MONOTONIC] = "short-monotonic", | |
df50185b LP |
1284 | [OUTPUT_VERBOSE] = "verbose", |
1285 | [OUTPUT_EXPORT] = "export", | |
d3f2bdbf | 1286 | [OUTPUT_JSON] = "json", |
a6e87e90 | 1287 | [OUTPUT_JSON_PRETTY] = "json-pretty", |
48383c25 | 1288 | [OUTPUT_JSON_SSE] = "json-sse", |
d3f2bdbf | 1289 | [OUTPUT_CAT] = "cat" |
df50185b LP |
1290 | }; |
1291 | ||
1292 | DEFINE_STRING_TABLE_LOOKUP(output_mode, OutputMode); |