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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
86aa7ba4 | 2 | |
86aa7ba4 | 3 | #include <errno.h> |
b6741478 | 4 | #include <fcntl.h> |
a8fbdf54 TA |
5 | #include <signal.h> |
6 | #include <stdint.h> | |
7 | #include <stdlib.h> | |
07630cea LP |
8 | #include <string.h> |
9 | #include <sys/socket.h> | |
a8fbdf54 | 10 | #include <syslog.h> |
07630cea | 11 | #include <time.h> |
a8fbdf54 TA |
12 | #include <unistd.h> |
13 | ||
14 | #include "sd-id128.h" | |
15 | #include "sd-journal.h" | |
86aa7ba4 | 16 | |
b5efdb8a | 17 | #include "alloc-util.h" |
3ffd4af2 | 18 | #include "fd-util.h" |
f97b34a6 | 19 | #include "format-util.h" |
d99ae53a | 20 | #include "hashmap.h" |
07630cea | 21 | #include "hostname-util.h" |
c004493c | 22 | #include "io-util.h" |
dfb33a97 | 23 | #include "journal-internal.h" |
8e044443 | 24 | #include "json.h" |
07630cea | 25 | #include "log.h" |
3ffd4af2 | 26 | #include "logs-show.h" |
a8fbdf54 TA |
27 | #include "macro.h" |
28 | #include "output-mode.h" | |
6bedfcbb | 29 | #include "parse-util.h" |
0b452006 | 30 | #include "process-util.h" |
a8fbdf54 | 31 | #include "sparse-endian.h" |
29a753df | 32 | #include "stdio-util.h" |
8b43440b | 33 | #include "string-table.h" |
07630cea | 34 | #include "string-util.h" |
cc25a67e | 35 | #include "strv.h" |
288a74cc | 36 | #include "terminal-util.h" |
a8fbdf54 | 37 | #include "time-util.h" |
07630cea LP |
38 | #include "utf8.h" |
39 | #include "util.h" | |
86aa7ba4 | 40 | |
07630cea | 41 | /* up to three lines (each up to 100 characters) or 300 characters, whichever is less */ |
a6f0104a ZJS |
42 | #define PRINT_LINE_THRESHOLD 3 |
43 | #define PRINT_CHAR_THRESHOLD 300 | |
44 | ||
8e044443 | 45 | #define JSON_THRESHOLD 4096U |
86aa7ba4 | 46 | |
d4205751 LP |
47 | static int print_catalog(FILE *f, sd_journal *j) { |
48 | int r; | |
49 | _cleanup_free_ char *t = NULL, *z = NULL; | |
50 | ||
d4205751 LP |
51 | r = sd_journal_get_catalog(j, &t); |
52 | if (r < 0) | |
53 | return r; | |
54 | ||
55 | z = strreplace(strstrip(t), "\n", "\n-- "); | |
56 | if (!z) | |
57 | return log_oom(); | |
58 | ||
59 | fputs("-- ", f); | |
60 | fputs(z, f); | |
61 | fputc('\n', f); | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
ed054520 VC |
66 | static int parse_field(const void *data, size_t length, const char *field, size_t field_len, char **target, size_t *target_len) { |
67 | size_t nl; | |
d813d7a3 | 68 | char *buf; |
55d7bfc1 LP |
69 | |
70 | assert(data); | |
71 | assert(field); | |
72 | assert(target); | |
55d7bfc1 | 73 | |
ed054520 | 74 | if (length < field_len) |
55d7bfc1 LP |
75 | return 0; |
76 | ||
ed054520 | 77 | if (memcmp(data, field, field_len)) |
55d7bfc1 LP |
78 | return 0; |
79 | ||
ed054520 | 80 | nl = length - field_len; |
c165d97d | 81 | |
ed054520 | 82 | buf = newdup_suffix0(char, (const char*) data + field_len, nl); |
0d0f0c50 SL |
83 | if (!buf) |
84 | return log_oom(); | |
55d7bfc1 | 85 | |
6c1e6b98 | 86 | free(*target); |
55d7bfc1 | 87 | *target = buf; |
d813d7a3 | 88 | |
ed054520 VC |
89 | if (target_len) |
90 | *target_len = nl; | |
55d7bfc1 LP |
91 | |
92 | return 1; | |
93 | } | |
94 | ||
ed054520 VC |
95 | typedef struct ParseFieldVec { |
96 | const char *field; | |
97 | size_t field_len; | |
98 | char **target; | |
99 | size_t *target_len; | |
100 | } ParseFieldVec; | |
101 | ||
102 | #define PARSE_FIELD_VEC_ENTRY(_field, _target, _target_len) \ | |
103 | { .field = _field, .field_len = strlen(_field), .target = _target, .target_len = _target_len } | |
104 | ||
105 | static int parse_fieldv(const void *data, size_t length, const ParseFieldVec *fields, unsigned n_fields) { | |
106 | unsigned i; | |
107 | ||
108 | for (i = 0; i < n_fields; i++) { | |
109 | const ParseFieldVec *f = &fields[i]; | |
110 | int r; | |
111 | ||
112 | r = parse_field(data, length, f->field, f->field_len, f->target, f->target_len); | |
113 | if (r < 0) | |
114 | return r; | |
115 | else if (r > 0) | |
116 | break; | |
117 | } | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
cc25a67e LK |
122 | static int field_set_test(Set *fields, const char *name, size_t n) { |
123 | char *s = NULL; | |
124 | ||
125 | if (!fields) | |
126 | return 1; | |
127 | ||
128 | s = strndupa(name, n); | |
129 | if (!s) | |
130 | return log_oom(); | |
131 | ||
132 | return set_get(fields, s) ? 1 : 0; | |
133 | } | |
134 | ||
08ace05b LP |
135 | static bool shall_print(const char *p, size_t l, OutputFlags flags) { |
136 | assert(p); | |
137 | ||
138 | if (flags & OUTPUT_SHOW_ALL) | |
55d7bfc1 LP |
139 | return true; |
140 | ||
a6f0104a | 141 | if (l >= PRINT_CHAR_THRESHOLD) |
55d7bfc1 LP |
142 | return false; |
143 | ||
31f7bf19 | 144 | if (!utf8_is_printable(p, l)) |
55d7bfc1 LP |
145 | return false; |
146 | ||
147 | return true; | |
148 | } | |
149 | ||
b4766d5f ZJS |
150 | static bool print_multiline( |
151 | FILE *f, | |
152 | unsigned prefix, | |
153 | unsigned n_columns, | |
154 | OutputFlags flags, | |
155 | int priority, | |
156 | const char* message, | |
157 | size_t message_len, | |
158 | size_t highlight[2]) { | |
159 | ||
160 | const char *color_on = "", *color_off = "", *highlight_on = ""; | |
31f7bf19 | 161 | const char *pos, *end; |
94e0bd7d | 162 | bool ellipsized = false; |
a6f0104a | 163 | int line = 0; |
31f7bf19 ZJS |
164 | |
165 | if (flags & OUTPUT_COLOR) { | |
166 | if (priority <= LOG_ERR) { | |
1fc464f6 LP |
167 | color_on = ANSI_HIGHLIGHT_RED; |
168 | color_off = ANSI_NORMAL; | |
b4766d5f | 169 | highlight_on = ANSI_HIGHLIGHT; |
31f7bf19 | 170 | } else if (priority <= LOG_NOTICE) { |
1fc464f6 LP |
171 | color_on = ANSI_HIGHLIGHT; |
172 | color_off = ANSI_NORMAL; | |
b4766d5f | 173 | highlight_on = ANSI_HIGHLIGHT_RED; |
67df9b7a LP |
174 | } else if (priority >= LOG_DEBUG) { |
175 | color_on = ANSI_GREY; | |
176 | color_off = ANSI_NORMAL; | |
177 | highlight_on = ANSI_HIGHLIGHT_RED; | |
31f7bf19 ZJS |
178 | } |
179 | } | |
180 | ||
47d80904 UU |
181 | /* A special case: make sure that we print a newline when |
182 | the message is empty. */ | |
183 | if (message_len == 0) | |
184 | fputs("\n", f); | |
185 | ||
a6f0104a ZJS |
186 | for (pos = message; |
187 | pos < message + message_len; | |
188 | pos = end + 1, line++) { | |
189 | bool continuation = line > 0; | |
190 | bool tail_line; | |
31f7bf19 ZJS |
191 | int len; |
192 | for (end = pos; end < message + message_len && *end != '\n'; end++) | |
193 | ; | |
194 | len = end - pos; | |
195 | assert(len >= 0); | |
196 | ||
2526d626 | 197 | /* We need to figure out when we are showing not-last line, *and* |
a6f0104a ZJS |
198 | * will skip subsequent lines. In that case, we will put the dots |
199 | * at the end of the line, instead of putting dots in the middle | |
200 | * or not at all. | |
201 | */ | |
202 | tail_line = | |
203 | line + 1 == PRINT_LINE_THRESHOLD || | |
2526d626 | 204 | end + 1 >= message + PRINT_CHAR_THRESHOLD; |
a6f0104a ZJS |
205 | |
206 | if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) || | |
207 | (prefix + len + 1 < n_columns && !tail_line)) { | |
b4766d5f ZJS |
208 | if (highlight && |
209 | (size_t) (pos - message) <= highlight[0] && | |
210 | highlight[0] < (size_t) len) { | |
211 | ||
212 | fprintf(f, "%*s%s%.*s", | |
213 | continuation * prefix, "", | |
214 | color_on, (int) highlight[0], pos); | |
215 | fprintf(f, "%s%.*s", | |
216 | highlight_on, | |
217 | (int) (MIN((size_t) len, highlight[1]) - highlight[0]), | |
218 | pos + highlight[0]); | |
219 | if ((size_t) len > highlight[1]) | |
220 | fprintf(f, "%s%.*s", | |
221 | color_on, | |
222 | (int) (len - highlight[1]), | |
223 | pos + highlight[1]); | |
224 | fprintf(f, "%s\n", color_off); | |
225 | ||
226 | } else | |
227 | fprintf(f, "%*s%s%.*s%s\n", | |
228 | continuation * prefix, "", | |
229 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
230 | continue; |
231 | } | |
31f7bf19 | 232 | |
a6f0104a ZJS |
233 | /* Beyond this point, ellipsization will happen. */ |
234 | ellipsized = true; | |
31f7bf19 | 235 | |
a6f0104a ZJS |
236 | if (prefix < n_columns && n_columns - prefix >= 3) { |
237 | if (n_columns - prefix > (unsigned) len + 3) | |
238 | fprintf(f, "%*s%s%.*s...%s\n", | |
b4b02cbe ZJS |
239 | continuation * prefix, "", |
240 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
241 | else { |
242 | _cleanup_free_ char *e; | |
243 | ||
244 | e = ellipsize_mem(pos, len, n_columns - prefix, | |
245 | tail_line ? 100 : 90); | |
246 | if (!e) | |
247 | fprintf(f, "%*s%s%.*s%s\n", | |
248 | continuation * prefix, "", | |
249 | color_on, len, pos, color_off); | |
250 | else | |
251 | fprintf(f, "%*s%s%s%s\n", | |
252 | continuation * prefix, "", | |
253 | color_on, e, color_off); | |
254 | } | |
255 | } else | |
31f7bf19 ZJS |
256 | fputs("...\n", f); |
257 | ||
a6f0104a ZJS |
258 | if (tail_line) |
259 | break; | |
31f7bf19 | 260 | } |
94e0bd7d ZJS |
261 | |
262 | return ellipsized; | |
31f7bf19 ZJS |
263 | } |
264 | ||
29a753df LP |
265 | static int output_timestamp_monotonic(FILE *f, sd_journal *j, const char *monotonic) { |
266 | sd_id128_t boot_id; | |
267 | uint64_t t; | |
268 | int r; | |
269 | ||
270 | assert(f); | |
271 | assert(j); | |
272 | ||
273 | r = -ENXIO; | |
274 | if (monotonic) | |
275 | r = safe_atou64(monotonic, &t); | |
276 | if (r < 0) | |
277 | r = sd_journal_get_monotonic_usec(j, &t, &boot_id); | |
278 | if (r < 0) | |
279 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
280 | ||
70887c5f | 281 | fprintf(f, "[%5"PRI_USEC".%06"PRI_USEC"]", t / USEC_PER_SEC, t % USEC_PER_SEC); |
29a753df LP |
282 | return 1 + 5 + 1 + 6 + 1; |
283 | } | |
284 | ||
285 | static int output_timestamp_realtime(FILE *f, sd_journal *j, OutputMode mode, OutputFlags flags, const char *realtime) { | |
286 | char buf[MAX(FORMAT_TIMESTAMP_MAX, 64)]; | |
287 | struct tm *(*gettime_r)(const time_t *, struct tm *); | |
288 | struct tm tm; | |
289 | uint64_t x; | |
290 | time_t t; | |
291 | int r; | |
292 | ||
293 | assert(f); | |
294 | assert(j); | |
295 | ||
29a753df LP |
296 | if (realtime) |
297 | r = safe_atou64(realtime, &x); | |
03d1319b | 298 | if (!realtime || r < 0 || !VALID_REALTIME(x)) |
29a753df LP |
299 | r = sd_journal_get_realtime_usec(j, &x); |
300 | if (r < 0) | |
301 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
302 | ||
49805b3d | 303 | if (IN_SET(mode, OUTPUT_SHORT_FULL, OUTPUT_WITH_UNIT)) { |
29a753df LP |
304 | const char *k; |
305 | ||
306 | if (flags & OUTPUT_UTC) | |
307 | k = format_timestamp_utc(buf, sizeof(buf), x); | |
308 | else | |
309 | k = format_timestamp(buf, sizeof(buf), x); | |
baaa35ad ZJS |
310 | if (!k) |
311 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
312 | "Failed to format timestamp: %" PRIu64, x); | |
29a753df LP |
313 | |
314 | } else { | |
7e563bfc IW |
315 | char usec[7]; |
316 | ||
29a753df LP |
317 | gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r; |
318 | t = (time_t) (x / USEC_PER_SEC); | |
319 | ||
320 | switch (mode) { | |
321 | ||
322 | case OUTPUT_SHORT_UNIX: | |
70887c5f | 323 | xsprintf(buf, "%10"PRI_TIME".%06"PRIu64, t, x % USEC_PER_SEC); |
29a753df LP |
324 | break; |
325 | ||
326 | case OUTPUT_SHORT_ISO: | |
baaa35ad ZJS |
327 | if (strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm)) <= 0) |
328 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
329 | "Failed to format ISO time"); | |
7e563bfc IW |
330 | break; |
331 | ||
332 | case OUTPUT_SHORT_ISO_PRECISE: | |
333 | /* No usec in strftime, so we leave space and copy over */ | |
baaa35ad ZJS |
334 | if (strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S.xxxxxx%z", gettime_r(&t, &tm)) <= 0) |
335 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
336 | "Failed to format ISO-precise time"); | |
7e563bfc IW |
337 | xsprintf(usec, "%06"PRI_USEC, x % USEC_PER_SEC); |
338 | memcpy(buf + 20, usec, 6); | |
29a753df LP |
339 | break; |
340 | ||
341 | case OUTPUT_SHORT: | |
342 | case OUTPUT_SHORT_PRECISE: | |
343 | ||
baaa35ad ZJS |
344 | if (strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)) <= 0) |
345 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
346 | "Failed to format syslog time"); | |
29a753df LP |
347 | |
348 | if (mode == OUTPUT_SHORT_PRECISE) { | |
349 | size_t k; | |
350 | ||
351 | assert(sizeof(buf) > strlen(buf)); | |
352 | k = sizeof(buf) - strlen(buf); | |
353 | ||
70887c5f | 354 | r = snprintf(buf + strlen(buf), k, ".%06"PRIu64, x % USEC_PER_SEC); |
baaa35ad ZJS |
355 | if (r <= 0 || (size_t) r >= k) /* too long? */ |
356 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
357 | "Failed to format precise time"); | |
29a753df LP |
358 | } |
359 | break; | |
360 | ||
361 | default: | |
362 | assert_not_reached("Unknown time format"); | |
363 | } | |
364 | } | |
365 | ||
366 | fputs(buf, f); | |
367 | return (int) strlen(buf); | |
368 | } | |
369 | ||
08ace05b LP |
370 | static int output_short( |
371 | FILE *f, | |
372 | sd_journal *j, | |
373 | OutputMode mode, | |
374 | unsigned n_columns, | |
cc25a67e | 375 | OutputFlags flags, |
b4766d5f | 376 | Set *output_fields, |
38b581bc | 377 | const size_t highlight[2]) { |
08ace05b | 378 | |
86aa7ba4 | 379 | int r; |
86aa7ba4 LP |
380 | const void *data; |
381 | size_t length; | |
382 | size_t n = 0; | |
49805b3d LB |
383 | _cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL, *unit = NULL, *user_unit = NULL; |
384 | 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, unit_len = 0, user_unit_len = 0; | |
49826187 | 385 | int p = LOG_INFO; |
94e0bd7d | 386 | bool ellipsized = false; |
ed054520 VC |
387 | const ParseFieldVec fields[] = { |
388 | PARSE_FIELD_VEC_ENTRY("_PID=", &pid, &pid_len), | |
389 | PARSE_FIELD_VEC_ENTRY("_COMM=", &comm, &comm_len), | |
390 | PARSE_FIELD_VEC_ENTRY("MESSAGE=", &message, &message_len), | |
391 | PARSE_FIELD_VEC_ENTRY("PRIORITY=", &priority, &priority_len), | |
392 | PARSE_FIELD_VEC_ENTRY("_HOSTNAME=", &hostname, &hostname_len), | |
393 | PARSE_FIELD_VEC_ENTRY("SYSLOG_PID=", &fake_pid, &fake_pid_len), | |
394 | PARSE_FIELD_VEC_ENTRY("SYSLOG_IDENTIFIER=", &identifier, &identifier_len), | |
395 | PARSE_FIELD_VEC_ENTRY("_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len), | |
396 | PARSE_FIELD_VEC_ENTRY("_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len), | |
49805b3d LB |
397 | PARSE_FIELD_VEC_ENTRY("_SYSTEMD_UNIT=", &unit, &unit_len), |
398 | PARSE_FIELD_VEC_ENTRY("_SYSTEMD_USER_UNIT=", &user_unit, &user_unit_len), | |
ed054520 | 399 | }; |
b4766d5f | 400 | size_t highlight_shifted[] = {highlight ? highlight[0] : 0, highlight ? highlight[1] : 0}; |
86aa7ba4 | 401 | |
08ace05b | 402 | assert(f); |
86aa7ba4 LP |
403 | assert(j); |
404 | ||
a6f0104a | 405 | /* Set the threshold to one bigger than the actual print |
69ab8088 | 406 | * threshold, so that if the line is actually longer than what |
a6f0104a ZJS |
407 | * we're willing to print, ellipsization will occur. This way |
408 | * we won't output a misleading line without any indication of | |
409 | * truncation. | |
410 | */ | |
411 | sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1); | |
93b73b06 | 412 | |
a72b6353 | 413 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
ed054520 | 414 | r = parse_fieldv(data, length, fields, ELEMENTSOF(fields)); |
55d7bfc1 | 415 | if (r < 0) |
08ace05b | 416 | return r; |
55d7bfc1 | 417 | } |
d00f1d57 LP |
418 | if (r == -EBADMSG) { |
419 | log_debug_errno(r, "Skipping message we can't read: %m"); | |
420 | return 0; | |
421 | } | |
a72b6353 | 422 | if (r < 0) |
b56d608e | 423 | return log_error_errno(r, "Failed to get journal fields: %m"); |
a72b6353 | 424 | |
07d21025 LP |
425 | if (!message) { |
426 | log_debug("Skipping message without MESSAGE= field."); | |
08ace05b | 427 | return 0; |
07d21025 | 428 | } |
55d7bfc1 | 429 | |
e8bc0ea2 | 430 | if (!(flags & OUTPUT_SHOW_ALL)) |
b4766d5f | 431 | strip_tab_ansi(&message, &message_len, highlight_shifted); |
e8bc0ea2 | 432 | |
49826187 LP |
433 | if (priority_len == 1 && *priority >= '0' && *priority <= '7') |
434 | p = *priority - '0'; | |
435 | ||
29a753df LP |
436 | if (mode == OUTPUT_SHORT_MONOTONIC) |
437 | r = output_timestamp_monotonic(f, j, monotonic); | |
438 | else | |
439 | r = output_timestamp_realtime(f, j, mode, flags, realtime); | |
440 | if (r < 0) | |
441 | return r; | |
442 | n += r; | |
86aa7ba4 | 443 | |
29a753df | 444 | if (flags & OUTPUT_NO_HOSTNAME) { |
991e274b | 445 | /* Suppress display of the hostname if this is requested. */ |
12104159 | 446 | hostname = mfree(hostname); |
991e274b LP |
447 | hostname_len = 0; |
448 | } | |
449 | ||
08ace05b LP |
450 | if (hostname && shall_print(hostname, hostname_len, flags)) { |
451 | fprintf(f, " %.*s", (int) hostname_len, hostname); | |
55d7bfc1 LP |
452 | n += hostname_len + 1; |
453 | } | |
454 | ||
49805b3d LB |
455 | if (mode == OUTPUT_WITH_UNIT && ((unit && shall_print(unit, unit_len, flags)) || (user_unit && shall_print(user_unit, user_unit_len, flags)))) { |
456 | if (unit) { | |
457 | fprintf(f, " %.*s", (int) unit_len, unit); | |
458 | n += unit_len + 1; | |
459 | } | |
460 | if (user_unit) { | |
461 | if (unit) | |
462 | fprintf(f, "/%.*s", (int) user_unit_len, user_unit); | |
463 | else | |
464 | fprintf(f, " %.*s", (int) user_unit_len, user_unit); | |
465 | n += unit_len + 1; | |
466 | } | |
467 | } else if (identifier && shall_print(identifier, identifier_len, flags)) { | |
08ace05b | 468 | fprintf(f, " %.*s", (int) identifier_len, identifier); |
4cd9a9d9 | 469 | n += identifier_len + 1; |
08ace05b LP |
470 | } else if (comm && shall_print(comm, comm_len, flags)) { |
471 | fprintf(f, " %.*s", (int) comm_len, comm); | |
55d7bfc1 | 472 | n += comm_len + 1; |
b5936820 | 473 | } else |
1248e840 | 474 | fputs(" unknown", f); |
86aa7ba4 | 475 | |
08ace05b LP |
476 | if (pid && shall_print(pid, pid_len, flags)) { |
477 | fprintf(f, "[%.*s]", (int) pid_len, pid); | |
55d7bfc1 | 478 | n += pid_len + 2; |
08ace05b LP |
479 | } else if (fake_pid && shall_print(fake_pid, fake_pid_len, flags)) { |
480 | fprintf(f, "[%.*s]", (int) fake_pid_len, fake_pid); | |
6c1e6b98 | 481 | n += fake_pid_len + 2; |
86aa7ba4 LP |
482 | } |
483 | ||
31f7bf19 | 484 | if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) { |
e6acda19 | 485 | char bytes[FORMAT_BYTES_MAX]; |
08ace05b | 486 | fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len)); |
31f7bf19 ZJS |
487 | } else { |
488 | fputs(": ", f); | |
94e0bd7d | 489 | ellipsized |= |
b4766d5f ZJS |
490 | print_multiline(f, n + 2, n_columns, flags, p, |
491 | message, message_len, | |
492 | highlight_shifted); | |
31f7bf19 | 493 | } |
55d7bfc1 | 494 | |
d4205751 LP |
495 | if (flags & OUTPUT_CATALOG) |
496 | print_catalog(f, j); | |
497 | ||
94e0bd7d | 498 | return ellipsized; |
86aa7ba4 LP |
499 | } |
500 | ||
08ace05b LP |
501 | static int output_verbose( |
502 | FILE *f, | |
503 | sd_journal *j, | |
504 | OutputMode mode, | |
505 | unsigned n_columns, | |
cc25a67e | 506 | OutputFlags flags, |
b4766d5f | 507 | Set *output_fields, |
38b581bc | 508 | const size_t highlight[2]) { |
08ace05b | 509 | |
86aa7ba4 LP |
510 | const void *data; |
511 | size_t length; | |
7fd1b19b | 512 | _cleanup_free_ char *cursor = NULL; |
d813d7a3 | 513 | uint64_t realtime = 0; |
f02d8367 | 514 | char ts[FORMAT_TIMESTAMP_MAX + 7]; |
8924973a | 515 | const char *timestamp; |
86aa7ba4 LP |
516 | int r; |
517 | ||
08ace05b | 518 | assert(f); |
86aa7ba4 LP |
519 | assert(j); |
520 | ||
93b73b06 LP |
521 | sd_journal_set_data_threshold(j, 0); |
522 | ||
cf40f0be ZJS |
523 | r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length); |
524 | if (r == -ENOENT) | |
525 | log_debug("Source realtime timestamp not found"); | |
b56d608e LP |
526 | else if (r < 0) |
527 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get source realtime timestamp: %m"); | |
528 | else { | |
cf40f0be | 529 | _cleanup_free_ char *value = NULL; |
cf40f0be | 530 | |
fbd0b64f LP |
531 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", |
532 | STRLEN("_SOURCE_REALTIME_TIMESTAMP="), &value, | |
533 | NULL); | |
cf40f0be | 534 | if (r < 0) |
e64c53fd | 535 | return r; |
d813d7a3 LP |
536 | assert(r > 0); |
537 | ||
538 | r = safe_atou64(value, &realtime); | |
539 | if (r < 0) | |
540 | log_debug_errno(r, "Failed to parse realtime timestamp: %m"); | |
cf40f0be ZJS |
541 | } |
542 | ||
543 | if (r < 0) { | |
544 | r = sd_journal_get_realtime_usec(j, &realtime); | |
b56d608e LP |
545 | if (r < 0) |
546 | return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
547 | } |
548 | ||
549 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
550 | if (r < 0) |
551 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 552 | |
8924973a ZJS |
553 | timestamp = flags & OUTPUT_UTC ? format_timestamp_us_utc(ts, sizeof ts, realtime) |
554 | : format_timestamp_us(ts, sizeof ts, realtime); | |
08ace05b | 555 | fprintf(f, "%s [%s]\n", |
8924973a | 556 | timestamp ?: "(no timestamp)", |
08ace05b | 557 | cursor); |
86aa7ba4 | 558 | |
a72b6353 | 559 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
31f7bf19 ZJS |
560 | const char *c; |
561 | int fieldlen; | |
7ac4fa7e ZJS |
562 | const char *on = "", *off = ""; |
563 | ||
31f7bf19 | 564 | c = memchr(data, '=', length); |
baaa35ad ZJS |
565 | if (!c) |
566 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
567 | "Invalid field."); | |
31f7bf19 | 568 | fieldlen = c - (const char*) data; |
86aa7ba4 | 569 | |
cc25a67e LK |
570 | r = field_set_test(output_fields, data, fieldlen); |
571 | if (r < 0) | |
572 | return r; | |
573 | if (!r) | |
574 | continue; | |
575 | ||
7ac4fa7e | 576 | if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) { |
1fc464f6 LP |
577 | on = ANSI_HIGHLIGHT; |
578 | off = ANSI_NORMAL; | |
7ac4fa7e ZJS |
579 | } |
580 | ||
8980058a | 581 | if ((flags & OUTPUT_SHOW_ALL) || |
a6f0104a ZJS |
582 | (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH) |
583 | && utf8_is_printable(data, length))) { | |
7ac4fa7e | 584 | fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data); |
b4766d5f | 585 | print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1, NULL); |
7ac4fa7e | 586 | fputs(off, f); |
31f7bf19 ZJS |
587 | } else { |
588 | char bytes[FORMAT_BYTES_MAX]; | |
86aa7ba4 | 589 | |
7ac4fa7e ZJS |
590 | fprintf(f, " %s%.*s=[%s blob data]%s\n", |
591 | on, | |
31f7bf19 ZJS |
592 | (int) (c - (const char*) data), |
593 | (const char*) data, | |
7ac4fa7e ZJS |
594 | format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1), |
595 | off); | |
31f7bf19 | 596 | } |
86aa7ba4 LP |
597 | } |
598 | ||
a72b6353 ZJS |
599 | if (r < 0) |
600 | return r; | |
601 | ||
d4205751 LP |
602 | if (flags & OUTPUT_CATALOG) |
603 | print_catalog(f, j); | |
604 | ||
86aa7ba4 LP |
605 | return 0; |
606 | } | |
607 | ||
08ace05b LP |
608 | static int output_export( |
609 | FILE *f, | |
610 | sd_journal *j, | |
611 | OutputMode mode, | |
612 | unsigned n_columns, | |
cc25a67e | 613 | OutputFlags flags, |
b4766d5f | 614 | Set *output_fields, |
38b581bc | 615 | const size_t highlight[2]) { |
08ace05b | 616 | |
86aa7ba4 LP |
617 | sd_id128_t boot_id; |
618 | char sid[33]; | |
619 | int r; | |
620 | usec_t realtime, monotonic; | |
7fd1b19b | 621 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
622 | const void *data; |
623 | size_t length; | |
624 | ||
625 | assert(j); | |
626 | ||
93b73b06 LP |
627 | sd_journal_set_data_threshold(j, 0); |
628 | ||
86aa7ba4 | 629 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
630 | if (r < 0) |
631 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
632 | |
633 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
634 | if (r < 0) |
635 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
636 | |
637 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
638 | if (r < 0) |
639 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 640 | |
08ace05b LP |
641 | fprintf(f, |
642 | "__CURSOR=%s\n" | |
de0671ee ZJS |
643 | "__REALTIME_TIMESTAMP="USEC_FMT"\n" |
644 | "__MONOTONIC_TIMESTAMP="USEC_FMT"\n" | |
08ace05b LP |
645 | "_BOOT_ID=%s\n", |
646 | cursor, | |
de0671ee ZJS |
647 | realtime, |
648 | monotonic, | |
08ace05b | 649 | sd_id128_to_string(boot_id, sid)); |
86aa7ba4 | 650 | |
a72b6353 | 651 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
cc25a67e | 652 | const char *c; |
86aa7ba4 | 653 | |
0ab896b3 ZJS |
654 | /* We already printed the boot id from the data in the header, hence let's suppress it here */ |
655 | if (memory_startswith(data, length, "_BOOT_ID=")) | |
112301ae LP |
656 | continue; |
657 | ||
cc25a67e | 658 | c = memchr(data, '=', length); |
baaa35ad ZJS |
659 | if (!c) |
660 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
661 | "Invalid field."); | |
cc25a67e LK |
662 | |
663 | r = field_set_test(output_fields, data, c - (const char *) data); | |
664 | if (r < 0) | |
665 | return r; | |
666 | if (!r) | |
667 | continue; | |
668 | ||
0ade5ffe ZJS |
669 | if (utf8_is_printable_newline(data, length, false)) |
670 | fwrite(data, length, 1, f); | |
671 | else { | |
86aa7ba4 LP |
672 | uint64_t le64; |
673 | ||
08ace05b LP |
674 | fwrite(data, c - (const char*) data, 1, f); |
675 | fputc('\n', f); | |
86aa7ba4 | 676 | le64 = htole64(length - (c - (const char*) data) - 1); |
08ace05b LP |
677 | fwrite(&le64, sizeof(le64), 1, f); |
678 | fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f); | |
0ade5ffe | 679 | } |
86aa7ba4 | 680 | |
08ace05b | 681 | fputc('\n', f); |
86aa7ba4 | 682 | } |
4f5e1723 AW |
683 | if (r == -EBADMSG) { |
684 | log_debug_errno(r, "Skipping message we can't read: %m"); | |
685 | return 0; | |
686 | } | |
86aa7ba4 | 687 | |
a72b6353 ZJS |
688 | if (r < 0) |
689 | return r; | |
690 | ||
08ace05b | 691 | fputc('\n', f); |
86aa7ba4 LP |
692 | |
693 | return 0; | |
694 | } | |
695 | ||
240a5fe8 | 696 | void json_escape( |
08ace05b LP |
697 | FILE *f, |
698 | const char* p, | |
699 | size_t l, | |
700 | OutputFlags flags) { | |
701 | ||
702 | assert(f); | |
703 | assert(p); | |
704 | ||
93b73b06 | 705 | if (!(flags & OUTPUT_SHOW_ALL) && l >= JSON_THRESHOLD) |
08ace05b LP |
706 | fputs("null", f); |
707 | ||
8980058a | 708 | else if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(p, l)) { |
86aa7ba4 LP |
709 | bool not_first = false; |
710 | ||
08ace05b | 711 | fputs("[ ", f); |
86aa7ba4 LP |
712 | |
713 | while (l > 0) { | |
714 | if (not_first) | |
08ace05b | 715 | fprintf(f, ", %u", (uint8_t) *p); |
86aa7ba4 LP |
716 | else { |
717 | not_first = true; | |
08ace05b | 718 | fprintf(f, "%u", (uint8_t) *p); |
86aa7ba4 LP |
719 | } |
720 | ||
721 | p++; | |
722 | l--; | |
723 | } | |
724 | ||
08ace05b | 725 | fputs(" ]", f); |
86aa7ba4 | 726 | } else { |
e768a4f0 | 727 | fputc('"', f); |
86aa7ba4 LP |
728 | |
729 | while (l > 0) { | |
4c701096 | 730 | if (IN_SET(*p, '"', '\\')) { |
08ace05b LP |
731 | fputc('\\', f); |
732 | fputc(*p, f); | |
31f7bf19 ZJS |
733 | } else if (*p == '\n') |
734 | fputs("\\n", f); | |
91a8a108 DM |
735 | else if ((uint8_t) *p < ' ') |
736 | fprintf(f, "\\u%04x", (uint8_t) *p); | |
08ace05b LP |
737 | else |
738 | fputc(*p, f); | |
86aa7ba4 LP |
739 | |
740 | p++; | |
741 | l--; | |
742 | } | |
743 | ||
e768a4f0 | 744 | fputc('"', f); |
86aa7ba4 LP |
745 | } |
746 | } | |
747 | ||
8e044443 LP |
748 | struct json_data { |
749 | JsonVariant* name; | |
750 | size_t n_values; | |
751 | JsonVariant* values[]; | |
752 | }; | |
753 | ||
754 | static int update_json_data( | |
755 | Hashmap *h, | |
756 | OutputFlags flags, | |
757 | const char *name, | |
758 | const void *value, | |
759 | size_t size) { | |
760 | ||
761 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; | |
762 | struct json_data *d; | |
763 | int r; | |
764 | ||
765 | if (!(flags & OUTPUT_SHOW_ALL) && strlen(name) + 1 + size >= JSON_THRESHOLD) | |
766 | r = json_variant_new_null(&v); | |
767 | else if (utf8_is_printable(value, size)) | |
768 | r = json_variant_new_stringn(&v, value, size); | |
769 | else | |
770 | r = json_variant_new_array_bytes(&v, value, size); | |
771 | if (r < 0) | |
772 | return log_error_errno(r, "Failed to allocate JSON data: %m"); | |
773 | ||
774 | d = hashmap_get(h, name); | |
775 | if (d) { | |
776 | struct json_data *w; | |
777 | ||
778 | w = realloc(d, offsetof(struct json_data, values) + sizeof(JsonVariant*) * (d->n_values + 1)); | |
779 | if (!w) | |
780 | return log_oom(); | |
781 | ||
782 | d = w; | |
783 | assert_se(hashmap_update(h, json_variant_string(d->name), d) >= 0); | |
784 | } else { | |
785 | _cleanup_(json_variant_unrefp) JsonVariant *n = NULL; | |
786 | ||
787 | r = json_variant_new_string(&n, name); | |
788 | if (r < 0) | |
789 | return log_error_errno(r, "Failed to allocate JSON name variant: %m"); | |
790 | ||
791 | d = malloc0(offsetof(struct json_data, values) + sizeof(JsonVariant*)); | |
792 | if (!d) | |
793 | return log_oom(); | |
794 | ||
795 | r = hashmap_put(h, json_variant_string(n), d); | |
796 | if (r < 0) { | |
797 | free(d); | |
798 | return log_error_errno(r, "Failed to insert JSON name into hashmap: %m"); | |
799 | } | |
800 | ||
801 | d->name = TAKE_PTR(n); | |
802 | } | |
803 | ||
804 | d->values[d->n_values++] = TAKE_PTR(v); | |
805 | return 0; | |
806 | } | |
807 | ||
808 | static int update_json_data_split( | |
809 | Hashmap *h, | |
810 | OutputFlags flags, | |
811 | Set *output_fields, | |
812 | const void *data, | |
813 | size_t size) { | |
814 | ||
815 | const char *eq; | |
816 | char *name; | |
817 | ||
818 | assert(h); | |
819 | assert(data || size == 0); | |
820 | ||
821 | if (memory_startswith(data, size, "_BOOT_ID=")) | |
822 | return 0; | |
823 | ||
824 | eq = memchr(data, '=', MIN(size, JSON_THRESHOLD)); | |
825 | if (!eq) | |
826 | return 0; | |
827 | ||
828 | if (eq == data) | |
829 | return 0; | |
830 | ||
831 | name = strndupa(data, eq - (const char*) data); | |
832 | if (output_fields && !set_get(output_fields, name)) | |
833 | return 0; | |
834 | ||
835 | return update_json_data(h, flags, name, eq + 1, size - (eq - (const char*) data) - 1); | |
836 | } | |
837 | ||
08ace05b LP |
838 | static int output_json( |
839 | FILE *f, | |
840 | sd_journal *j, | |
841 | OutputMode mode, | |
842 | unsigned n_columns, | |
cc25a67e | 843 | OutputFlags flags, |
b4766d5f | 844 | Set *output_fields, |
38b581bc | 845 | const size_t highlight[2]) { |
08ace05b | 846 | |
8e044443 LP |
847 | char sid[SD_ID128_STRING_MAX], usecbuf[DECIMAL_STR_MAX(usec_t)]; |
848 | _cleanup_(json_variant_unrefp) JsonVariant *object = NULL; | |
7fd1b19b | 849 | _cleanup_free_ char *cursor = NULL; |
8e044443 LP |
850 | uint64_t realtime, monotonic; |
851 | JsonVariant **array = NULL; | |
852 | struct json_data *d; | |
86aa7ba4 | 853 | sd_id128_t boot_id; |
d99ae53a | 854 | Hashmap *h = NULL; |
8e044443 LP |
855 | size_t n = 0; |
856 | Iterator i; | |
857 | int r; | |
86aa7ba4 LP |
858 | |
859 | assert(j); | |
860 | ||
8e044443 | 861 | (void) sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD); |
93b73b06 | 862 | |
86aa7ba4 | 863 | r = sd_journal_get_realtime_usec(j, &realtime); |
f647962d MS |
864 | if (r < 0) |
865 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
86aa7ba4 LP |
866 | |
867 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
f647962d MS |
868 | if (r < 0) |
869 | return log_error_errno(r, "Failed to get monotonic timestamp: %m"); | |
86aa7ba4 LP |
870 | |
871 | r = sd_journal_get_cursor(j, &cursor); | |
f647962d MS |
872 | if (r < 0) |
873 | return log_error_errno(r, "Failed to get cursor: %m"); | |
86aa7ba4 | 874 | |
d5099efc | 875 | h = hashmap_new(&string_hash_ops); |
d99ae53a | 876 | if (!h) |
b56d608e | 877 | return log_oom(); |
d99ae53a | 878 | |
8e044443 | 879 | r = update_json_data(h, flags, "__CURSOR", cursor, strlen(cursor)); |
a72b6353 | 880 | if (r < 0) |
8e044443 | 881 | goto finish; |
d99ae53a | 882 | |
8e044443 LP |
883 | xsprintf(usecbuf, USEC_FMT, realtime); |
884 | r = update_json_data(h, flags, "__REALTIME_TIMESTAMP", usecbuf, strlen(usecbuf)); | |
885 | if (r < 0) | |
886 | goto finish; | |
d99ae53a | 887 | |
8e044443 LP |
888 | xsprintf(usecbuf, USEC_FMT, monotonic); |
889 | r = update_json_data(h, flags, "__MONOTONIC_TIMESTAMP", usecbuf, strlen(usecbuf)); | |
890 | if (r < 0) | |
891 | goto finish; | |
d99ae53a | 892 | |
8e044443 LP |
893 | sd_id128_to_string(boot_id, sid); |
894 | r = update_json_data(h, flags, "_BOOT_ID", sid, strlen(sid)); | |
895 | if (r < 0) | |
896 | goto finish; | |
d99ae53a | 897 | |
8e044443 LP |
898 | for (;;) { |
899 | const void *data; | |
900 | size_t size; | |
d99ae53a | 901 | |
8e044443 LP |
902 | r = sd_journal_enumerate_data(j, &data, &size); |
903 | if (r == -EBADMSG) { | |
904 | log_debug_errno(r, "Skipping message we can't read: %m"); | |
905 | r = 0; | |
906 | goto finish; | |
907 | } | |
908 | if (r < 0) { | |
909 | log_error_errno(r, "Failed to read journal: %m"); | |
910 | goto finish; | |
911 | } | |
912 | if (r == 0) | |
913 | break; | |
d99ae53a | 914 | |
8e044443 LP |
915 | r = update_json_data_split(h, flags, output_fields, data, size); |
916 | if (r < 0) | |
917 | goto finish; | |
918 | } | |
d99ae53a | 919 | |
8e044443 LP |
920 | array = new(JsonVariant*, hashmap_size(h)*2); |
921 | if (!array) { | |
922 | r = log_oom(); | |
923 | goto finish; | |
924 | } | |
d99ae53a | 925 | |
8e044443 LP |
926 | HASHMAP_FOREACH(d, h, i) { |
927 | assert(d->n_values > 0); | |
d99ae53a | 928 | |
8e044443 | 929 | array[n++] = json_variant_ref(d->name); |
d99ae53a | 930 | |
8e044443 LP |
931 | if (d->n_values == 1) |
932 | array[n++] = json_variant_ref(d->values[0]); | |
933 | else { | |
934 | _cleanup_(json_variant_unrefp) JsonVariant *q = NULL; | |
d99ae53a | 935 | |
8e044443 LP |
936 | r = json_variant_new_array(&q, d->values, d->n_values); |
937 | if (r < 0) { | |
938 | log_error_errno(r, "Failed to create JSON array: %m"); | |
939 | goto finish; | |
d99ae53a | 940 | } |
8e044443 LP |
941 | |
942 | array[n++] = TAKE_PTR(q); | |
d99ae53a | 943 | } |
8e044443 | 944 | } |
d99ae53a | 945 | |
8e044443 LP |
946 | r = json_variant_new_object(&object, array, n); |
947 | if (r < 0) { | |
948 | log_error_errno(r, "Failed to allocate JSON object: %m"); | |
949 | goto finish; | |
950 | } | |
d99ae53a | 951 | |
8e044443 | 952 | json_variant_dump(object, |
9e964bb8 | 953 | output_mode_to_json_format_flags(mode) | |
8e044443 LP |
954 | (FLAGS_SET(flags, OUTPUT_COLOR) ? JSON_FORMAT_COLOR : 0), |
955 | f, NULL); | |
86aa7ba4 | 956 | |
d99ae53a LP |
957 | r = 0; |
958 | ||
959 | finish: | |
8e044443 LP |
960 | while ((d = hashmap_steal_first(h))) { |
961 | size_t k; | |
962 | ||
963 | json_variant_unref(d->name); | |
964 | for (k = 0; k < d->n_values; k++) | |
965 | json_variant_unref(d->values[k]); | |
966 | ||
967 | free(d); | |
968 | } | |
d99ae53a LP |
969 | |
970 | hashmap_free(h); | |
971 | ||
8e044443 LP |
972 | json_variant_unref_many(array, n); |
973 | free(array); | |
974 | ||
d99ae53a | 975 | return r; |
86aa7ba4 LP |
976 | } |
977 | ||
08ace05b LP |
978 | static int output_cat( |
979 | FILE *f, | |
980 | sd_journal *j, | |
981 | OutputMode mode, | |
982 | unsigned n_columns, | |
cc25a67e | 983 | OutputFlags flags, |
b4766d5f | 984 | Set *output_fields, |
38b581bc | 985 | const size_t highlight[2]) { |
08ace05b | 986 | |
d3f2bdbf LP |
987 | const void *data; |
988 | size_t l; | |
989 | int r; | |
b4766d5f | 990 | const char *highlight_on = "", *highlight_off = ""; |
d3f2bdbf LP |
991 | |
992 | assert(j); | |
08ace05b | 993 | assert(f); |
d3f2bdbf | 994 | |
b4766d5f ZJS |
995 | if (flags & OUTPUT_COLOR) { |
996 | highlight_on = ANSI_HIGHLIGHT_RED; | |
997 | highlight_off = ANSI_NORMAL; | |
998 | } | |
999 | ||
93b73b06 LP |
1000 | sd_journal_set_data_threshold(j, 0); |
1001 | ||
d3f2bdbf | 1002 | r = sd_journal_get_data(j, "MESSAGE", &data, &l); |
4f5e1723 AW |
1003 | if (r == -EBADMSG) { |
1004 | log_debug_errno(r, "Skipping message we can't read: %m"); | |
1005 | return 0; | |
1006 | } | |
d3f2bdbf | 1007 | if (r < 0) { |
c198300f LP |
1008 | /* An entry without MESSAGE=? */ |
1009 | if (r == -ENOENT) | |
1010 | return 0; | |
1011 | ||
8d3d7072 | 1012 | return log_error_errno(r, "Failed to get data: %m"); |
d3f2bdbf LP |
1013 | } |
1014 | ||
1015 | assert(l >= 8); | |
1016 | ||
b4766d5f ZJS |
1017 | if (highlight && (flags & OUTPUT_COLOR)) { |
1018 | assert(highlight[0] <= highlight[1]); | |
1019 | assert(highlight[1] <= l - 8); | |
1020 | ||
1021 | fwrite((const char*) data + 8, 1, highlight[0], f); | |
1022 | fwrite(highlight_on, 1, strlen(highlight_on), f); | |
1023 | fwrite((const char*) data + 8 + highlight[0], 1, highlight[1] - highlight[0], f); | |
1024 | fwrite(highlight_off, 1, strlen(highlight_off), f); | |
1025 | fwrite((const char*) data + 8 + highlight[1], 1, l - 8 - highlight[1], f); | |
1026 | } else | |
1027 | fwrite((const char*) data + 8, 1, l - 8, f); | |
08ace05b | 1028 | fputc('\n', f); |
d3f2bdbf LP |
1029 | |
1030 | return 0; | |
1031 | } | |
1032 | ||
08ace05b LP |
1033 | static int (*output_funcs[_OUTPUT_MODE_MAX])( |
1034 | FILE *f, | |
f2a3de01 | 1035 | sd_journal *j, |
08ace05b LP |
1036 | OutputMode mode, |
1037 | unsigned n_columns, | |
cc25a67e | 1038 | OutputFlags flags, |
b4766d5f | 1039 | Set *output_fields, |
38b581bc | 1040 | const size_t highlight[2]) = { |
08ace05b | 1041 | |
a6e87e90 | 1042 | [OUTPUT_SHORT] = output_short, |
44bc6e1f | 1043 | [OUTPUT_SHORT_ISO] = output_short, |
7e563bfc | 1044 | [OUTPUT_SHORT_ISO_PRECISE] = output_short, |
f02d8367 ZJS |
1045 | [OUTPUT_SHORT_PRECISE] = output_short, |
1046 | [OUTPUT_SHORT_MONOTONIC] = output_short, | |
bb321ed9 | 1047 | [OUTPUT_SHORT_UNIX] = output_short, |
29a753df | 1048 | [OUTPUT_SHORT_FULL] = output_short, |
86aa7ba4 LP |
1049 | [OUTPUT_VERBOSE] = output_verbose, |
1050 | [OUTPUT_EXPORT] = output_export, | |
d3f2bdbf | 1051 | [OUTPUT_JSON] = output_json, |
a6e87e90 | 1052 | [OUTPUT_JSON_PRETTY] = output_json, |
48383c25 | 1053 | [OUTPUT_JSON_SSE] = output_json, |
8e044443 | 1054 | [OUTPUT_JSON_SEQ] = output_json, |
49805b3d LB |
1055 | [OUTPUT_CAT] = output_cat, |
1056 | [OUTPUT_WITH_UNIT] = output_short, | |
86aa7ba4 LP |
1057 | }; |
1058 | ||
9b972c9a | 1059 | int show_journal_entry( |
08ace05b LP |
1060 | FILE *f, |
1061 | sd_journal *j, | |
1062 | OutputMode mode, | |
1063 | unsigned n_columns, | |
94e0bd7d | 1064 | OutputFlags flags, |
cc25a67e | 1065 | char **output_fields, |
38b581bc | 1066 | const size_t highlight[2], |
94e0bd7d | 1067 | bool *ellipsized) { |
08ace05b | 1068 | |
e268b81e | 1069 | int ret; |
cc25a67e | 1070 | _cleanup_set_free_free_ Set *fields = NULL; |
df50185b | 1071 | assert(mode >= 0); |
86aa7ba4 LP |
1072 | assert(mode < _OUTPUT_MODE_MAX); |
1073 | ||
34a35ece LP |
1074 | if (n_columns <= 0) |
1075 | n_columns = columns(); | |
1076 | ||
cc25a67e LK |
1077 | if (output_fields) { |
1078 | fields = set_new(&string_hash_ops); | |
1079 | if (!fields) | |
1080 | return log_oom(); | |
1081 | ||
1082 | ret = set_put_strdupv(fields, output_fields); | |
1083 | if (ret < 0) | |
1084 | return ret; | |
1085 | } | |
1086 | ||
b4766d5f | 1087 | ret = output_funcs[mode](f, j, mode, n_columns, flags, fields, highlight); |
94e0bd7d ZJS |
1088 | |
1089 | if (ellipsized && ret > 0) | |
1090 | *ellipsized = true; | |
1091 | ||
e268b81e | 1092 | return ret; |
86aa7ba4 LP |
1093 | } |
1094 | ||
ea6c2dd1 LP |
1095 | static int maybe_print_begin_newline(FILE *f, OutputFlags *flags) { |
1096 | assert(f); | |
1097 | assert(flags); | |
1098 | ||
1099 | if (!(*flags & OUTPUT_BEGIN_NEWLINE)) | |
1100 | return 0; | |
1101 | ||
1102 | /* Print a beginning new line if that's request, but only once | |
1103 | * on the first line we print. */ | |
1104 | ||
1105 | fputc('\n', f); | |
1106 | *flags &= ~OUTPUT_BEGIN_NEWLINE; | |
1107 | return 0; | |
1108 | } | |
1109 | ||
889e3960 ZJS |
1110 | int show_journal( |
1111 | FILE *f, | |
1112 | sd_journal *j, | |
1113 | OutputMode mode, | |
1114 | unsigned n_columns, | |
1115 | usec_t not_before, | |
1116 | unsigned how_many, | |
1117 | OutputFlags flags, | |
1118 | bool *ellipsized) { | |
86aa7ba4 | 1119 | |
86aa7ba4 | 1120 | int r; |
df50185b LP |
1121 | unsigned line = 0; |
1122 | bool need_seek = false; | |
085d7120 | 1123 | int warn_cutoff = flags & OUTPUT_WARN_CUTOFF; |
86aa7ba4 | 1124 | |
1a6c43e9 | 1125 | assert(j); |
df50185b LP |
1126 | assert(mode >= 0); |
1127 | assert(mode < _OUTPUT_MODE_MAX); | |
1946b0bd | 1128 | |
889e3960 ZJS |
1129 | if (how_many == (unsigned) -1) |
1130 | need_seek = true; | |
1131 | else { | |
1132 | /* Seek to end */ | |
1133 | r = sd_journal_seek_tail(j); | |
1134 | if (r < 0) | |
1135 | return log_error_errno(r, "Failed to seek to tail: %m"); | |
86aa7ba4 | 1136 | |
889e3960 ZJS |
1137 | r = sd_journal_previous_skip(j, how_many); |
1138 | if (r < 0) | |
1139 | return log_error_errno(r, "Failed to skip previous: %m"); | |
1140 | } | |
86aa7ba4 | 1141 | |
df50185b LP |
1142 | for (;;) { |
1143 | for (;;) { | |
1144 | usec_t usec; | |
1145 | ||
1146 | if (need_seek) { | |
1147 | r = sd_journal_next(j); | |
1148 | if (r < 0) | |
b56d608e | 1149 | return log_error_errno(r, "Failed to iterate through journal: %m"); |
df50185b LP |
1150 | } |
1151 | ||
1152 | if (r == 0) | |
1153 | break; | |
86aa7ba4 | 1154 | |
df50185b LP |
1155 | need_seek = true; |
1156 | ||
1157 | if (not_before > 0) { | |
1158 | r = sd_journal_get_monotonic_usec(j, &usec, NULL); | |
1159 | ||
1160 | /* -ESTALE is returned if the | |
1161 | timestamp is not from this boot */ | |
1162 | if (r == -ESTALE) | |
1163 | continue; | |
1164 | else if (r < 0) | |
b56d608e | 1165 | return log_error_errno(r, "Failed to get journal time: %m"); |
df50185b LP |
1166 | |
1167 | if (usec < not_before) | |
1168 | continue; | |
1169 | } | |
1170 | ||
313cefa1 | 1171 | line++; |
ea6c2dd1 | 1172 | maybe_print_begin_newline(f, &flags); |
df50185b | 1173 | |
9b972c9a | 1174 | r = show_journal_entry(f, j, mode, n_columns, flags, NULL, NULL, ellipsized); |
df50185b | 1175 | if (r < 0) |
b56d608e | 1176 | return r; |
df50185b LP |
1177 | } |
1178 | ||
08984293 LP |
1179 | if (warn_cutoff && line < how_many && not_before > 0) { |
1180 | sd_id128_t boot_id; | |
a7f7d1bd | 1181 | usec_t cutoff = 0; |
08984293 LP |
1182 | |
1183 | /* Check whether the cutoff line is too early */ | |
1184 | ||
1185 | r = sd_id128_get_boot(&boot_id); | |
1186 | if (r < 0) | |
b56d608e | 1187 | return log_error_errno(r, "Failed to get boot id: %m"); |
08984293 LP |
1188 | |
1189 | r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL); | |
1190 | if (r < 0) | |
b56d608e | 1191 | return log_error_errno(r, "Failed to get journal cutoff time: %m"); |
08984293 | 1192 | |
ea6c2dd1 LP |
1193 | if (r > 0 && not_before < cutoff) { |
1194 | maybe_print_begin_newline(f, &flags); | |
08ace05b | 1195 | fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n"); |
ea6c2dd1 | 1196 | } |
08984293 LP |
1197 | |
1198 | warn_cutoff = false; | |
1199 | } | |
1200 | ||
085d7120 | 1201 | if (!(flags & OUTPUT_FOLLOW)) |
86aa7ba4 LP |
1202 | break; |
1203 | ||
3a43da28 | 1204 | r = sd_journal_wait(j, USEC_INFINITY); |
df50185b | 1205 | if (r < 0) |
b56d608e | 1206 | return log_error_errno(r, "Failed to wait for journal: %m"); |
df50185b | 1207 | |
86aa7ba4 LP |
1208 | } |
1209 | ||
b56d608e | 1210 | return 0; |
1a6c43e9 MT |
1211 | } |
1212 | ||
886a64fe | 1213 | int add_matches_for_unit(sd_journal *j, const char *unit) { |
2b45d881 | 1214 | const char *m1, *m2, *m3, *m4; |
1a6c43e9 MT |
1215 | int r; |
1216 | ||
886a64fe | 1217 | assert(j); |
1a6c43e9 MT |
1218 | assert(unit); |
1219 | ||
63c372cb LP |
1220 | m1 = strjoina("_SYSTEMD_UNIT=", unit); |
1221 | m2 = strjoina("COREDUMP_UNIT=", unit); | |
1222 | m3 = strjoina("UNIT=", unit); | |
1223 | m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit); | |
1a6c43e9 | 1224 | |
886a64fe ZJS |
1225 | (void)( |
1226 | /* Look for messages from the service itself */ | |
1227 | (r = sd_journal_add_match(j, m1, 0)) || | |
1228 | ||
1229 | /* Look for coredumps of the service */ | |
1230 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df ZJS |
1231 | (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) || |
1232 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
886a64fe ZJS |
1233 | (r = sd_journal_add_match(j, m2, 0)) || |
1234 | ||
1235 | /* Look for messages from PID 1 about this service */ | |
1236 | (r = sd_journal_add_disjunction(j)) || | |
1237 | (r = sd_journal_add_match(j, "_PID=1", 0)) || | |
2d0b2e87 ZJS |
1238 | (r = sd_journal_add_match(j, m3, 0)) || |
1239 | ||
1240 | /* Look for messages from authorized daemons about this service */ | |
1241 | (r = sd_journal_add_disjunction(j)) || | |
1242 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1243 | (r = sd_journal_add_match(j, m4, 0)) | |
886a64fe | 1244 | ); |
2d0b2e87 | 1245 | |
69ae3ee0 | 1246 | if (r == 0 && endswith(unit, ".slice")) { |
2b45d881 LP |
1247 | const char *m5; |
1248 | ||
1249 | m5 = strjoina("_SYSTEMD_SLICE=", unit); | |
69ae3ee0 ZJS |
1250 | |
1251 | /* Show all messages belonging to a slice */ | |
1252 | (void)( | |
1253 | (r = sd_journal_add_disjunction(j)) || | |
1254 | (r = sd_journal_add_match(j, m5, 0)) | |
1255 | ); | |
1256 | } | |
1257 | ||
886a64fe ZJS |
1258 | return r; |
1259 | } | |
1a6c43e9 | 1260 | |
886a64fe ZJS |
1261 | int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { |
1262 | int r; | |
2d0b2e87 ZJS |
1263 | char *m1, *m2, *m3, *m4; |
1264 | char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; | |
1a6c43e9 | 1265 | |
886a64fe ZJS |
1266 | assert(j); |
1267 | assert(unit); | |
1a6c43e9 | 1268 | |
63c372cb LP |
1269 | m1 = strjoina("_SYSTEMD_USER_UNIT=", unit); |
1270 | m2 = strjoina("USER_UNIT=", unit); | |
1271 | m3 = strjoina("COREDUMP_USER_UNIT=", unit); | |
1272 | m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit); | |
de0671ee | 1273 | sprintf(muid, "_UID="UID_FMT, uid); |
1a6c43e9 | 1274 | |
886a64fe ZJS |
1275 | (void) ( |
1276 | /* Look for messages from the user service itself */ | |
1277 | (r = sd_journal_add_match(j, m1, 0)) || | |
2d0b2e87 | 1278 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1279 | |
1280 | /* Look for messages from systemd about this service */ | |
1281 | (r = sd_journal_add_disjunction(j)) || | |
1282 | (r = sd_journal_add_match(j, m2, 0)) || | |
2d0b2e87 | 1283 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1284 | |
1285 | /* Look for coredumps of the service */ | |
1286 | (r = sd_journal_add_disjunction(j)) || | |
1287 | (r = sd_journal_add_match(j, m3, 0)) || | |
2d0b2e87 ZJS |
1288 | (r = sd_journal_add_match(j, muid, 0)) || |
1289 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1290 | ||
1291 | /* Look for messages from authorized daemons about this service */ | |
1292 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df | 1293 | (r = sd_journal_add_match(j, m4, 0)) || |
2d0b2e87 | 1294 | (r = sd_journal_add_match(j, muid, 0)) || |
fdcd37df | 1295 | (r = sd_journal_add_match(j, "_UID=0", 0)) |
886a64fe | 1296 | ); |
69ae3ee0 ZJS |
1297 | |
1298 | if (r == 0 && endswith(unit, ".slice")) { | |
2b45d881 LP |
1299 | const char *m5; |
1300 | ||
1301 | m5 = strjoina("_SYSTEMD_SLICE=", unit); | |
69ae3ee0 ZJS |
1302 | |
1303 | /* Show all messages belonging to a slice */ | |
1304 | (void)( | |
1305 | (r = sd_journal_add_disjunction(j)) || | |
1306 | (r = sd_journal_add_match(j, m5, 0)) || | |
1307 | (r = sd_journal_add_match(j, muid, 0)) | |
1308 | ); | |
1309 | } | |
1310 | ||
1a6c43e9 MT |
1311 | return r; |
1312 | } | |
1313 | ||
b6741478 | 1314 | static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) { |
3d94f76c | 1315 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; |
a4475f57 | 1316 | _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; |
b6741478 | 1317 | pid_t pid, child; |
b6741478 LP |
1318 | char buf[37]; |
1319 | ssize_t k; | |
1320 | int r; | |
1321 | ||
1322 | assert(machine); | |
1323 | assert(boot_id); | |
1324 | ||
affcf189 | 1325 | if (!machine_name_is_valid(machine)) |
b6741478 LP |
1326 | return -EINVAL; |
1327 | ||
e04b0cdb | 1328 | r = container_get_leader(machine, &pid); |
b6741478 LP |
1329 | if (r < 0) |
1330 | return r; | |
e04b0cdb | 1331 | |
671c3419 | 1332 | r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, NULL, &rootfd); |
b6741478 LP |
1333 | if (r < 0) |
1334 | return r; | |
1335 | ||
e04b0cdb | 1336 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) |
b6741478 LP |
1337 | return -errno; |
1338 | ||
1edcb6a9 LP |
1339 | r = namespace_fork("(sd-bootidns)", "(sd-bootid)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG, |
1340 | pidnsfd, mntnsfd, -1, -1, rootfd, &child); | |
4c253ed1 LP |
1341 | if (r < 0) |
1342 | return r; | |
1343 | if (r == 0) { | |
b6741478 LP |
1344 | int fd; |
1345 | ||
03e334a1 | 1346 | pair[0] = safe_close(pair[0]); |
b6741478 | 1347 | |
b6741478 LP |
1348 | fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY); |
1349 | if (fd < 0) | |
1350 | _exit(EXIT_FAILURE); | |
1351 | ||
a6dcc7e5 | 1352 | r = loop_read_exact(fd, buf, 36, false); |
03e334a1 | 1353 | safe_close(fd); |
6c767d1e | 1354 | if (r < 0) |
b6741478 LP |
1355 | _exit(EXIT_FAILURE); |
1356 | ||
e04b0cdb | 1357 | k = send(pair[1], buf, 36, MSG_NOSIGNAL); |
b6741478 LP |
1358 | if (k != 36) |
1359 | _exit(EXIT_FAILURE); | |
1360 | ||
1361 | _exit(EXIT_SUCCESS); | |
1362 | } | |
1363 | ||
03e334a1 | 1364 | pair[1] = safe_close(pair[1]); |
b6741478 | 1365 | |
1edcb6a9 | 1366 | r = wait_for_terminate_and_check("(sd-bootidns)", child, 0); |
2e87a1fd LP |
1367 | if (r < 0) |
1368 | return r; | |
1369 | if (r != EXIT_SUCCESS) | |
1370 | return -EIO; | |
b6741478 | 1371 | |
fbadf045 LP |
1372 | k = recv(pair[0], buf, 36, 0); |
1373 | if (k != 36) | |
1374 | return -EIO; | |
1375 | ||
b6741478 LP |
1376 | buf[36] = 0; |
1377 | r = sd_id128_from_string(buf, boot_id); | |
1378 | if (r < 0) | |
1379 | return r; | |
1380 | ||
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | int add_match_this_boot(sd_journal *j, const char *machine) { | |
5ec76417 ZJS |
1385 | char match[9+32+1] = "_BOOT_ID="; |
1386 | sd_id128_t boot_id; | |
1387 | int r; | |
1388 | ||
1389 | assert(j); | |
1390 | ||
b6741478 LP |
1391 | if (machine) { |
1392 | r = get_boot_id_for_machine(machine, &boot_id); | |
f647962d MS |
1393 | if (r < 0) |
1394 | return log_error_errno(r, "Failed to get boot id of container %s: %m", machine); | |
b6741478 LP |
1395 | } else { |
1396 | r = sd_id128_get_boot(&boot_id); | |
f647962d MS |
1397 | if (r < 0) |
1398 | return log_error_errno(r, "Failed to get boot id: %m"); | |
5ec76417 ZJS |
1399 | } |
1400 | ||
1401 | sd_id128_to_string(boot_id, match + 9); | |
1402 | r = sd_journal_add_match(j, match, strlen(match)); | |
f647962d MS |
1403 | if (r < 0) |
1404 | return log_error_errno(r, "Failed to add match: %m"); | |
5ec76417 ZJS |
1405 | |
1406 | r = sd_journal_add_conjunction(j); | |
1407 | if (r < 0) | |
b56d608e | 1408 | return log_error_errno(r, "Failed to add conjunction: %m"); |
5ec76417 ZJS |
1409 | |
1410 | return 0; | |
1411 | } | |
1412 | ||
886a64fe | 1413 | int show_journal_by_unit( |
1a6c43e9 MT |
1414 | FILE *f, |
1415 | const char *unit, | |
1416 | OutputMode mode, | |
1417 | unsigned n_columns, | |
1418 | usec_t not_before, | |
1419 | unsigned how_many, | |
1420 | uid_t uid, | |
886a64fe | 1421 | OutputFlags flags, |
3c756001 LP |
1422 | int journal_open_flags, |
1423 | bool system_unit, | |
94e0bd7d | 1424 | bool *ellipsized) { |
1a6c43e9 | 1425 | |
4afd3348 | 1426 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
1a6c43e9 MT |
1427 | int r; |
1428 | ||
1429 | assert(mode >= 0); | |
1430 | assert(mode < _OUTPUT_MODE_MAX); | |
1431 | assert(unit); | |
1432 | ||
1a6c43e9 MT |
1433 | if (how_many <= 0) |
1434 | return 0; | |
1435 | ||
3c756001 | 1436 | r = sd_journal_open(&j, journal_open_flags); |
f9045468 | 1437 | if (r < 0) |
b56d608e | 1438 | return log_error_errno(r, "Failed to open journal: %m"); |
f9045468 | 1439 | |
b6741478 | 1440 | r = add_match_this_boot(j, NULL); |
5ec76417 ZJS |
1441 | if (r < 0) |
1442 | return r; | |
1443 | ||
3c756001 | 1444 | if (system_unit) |
886a64fe ZJS |
1445 | r = add_matches_for_unit(j, unit); |
1446 | else | |
1447 | r = add_matches_for_user_unit(j, unit, uid); | |
1a6c43e9 | 1448 | if (r < 0) |
b56d608e | 1449 | return log_error_errno(r, "Failed to add unit matches: %m"); |
1a6c43e9 | 1450 | |
f1d34068 | 1451 | if (DEBUG_LOGGING) { |
4ad16808 ZJS |
1452 | _cleanup_free_ char *filter; |
1453 | ||
1454 | filter = journal_make_match_string(j); | |
b56d608e LP |
1455 | if (!filter) |
1456 | return log_oom(); | |
1457 | ||
4ad16808 ZJS |
1458 | log_debug("Journal filter: %s", filter); |
1459 | } | |
5ec76417 | 1460 | |
94e0bd7d | 1461 | return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized); |
86aa7ba4 | 1462 | } |