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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
5de0409e ZJS |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2012 Zbigniew Jędrzejewski-Szmek | |
5de0409e ZJS |
6 | ***/ |
7 | ||
3f6fd1ba LP |
8 | #include <fcntl.h> |
9 | #include <getopt.h> | |
a9cdc94f | 10 | #include <locale.h> |
5de0409e ZJS |
11 | #include <stdio.h> |
12 | #include <string.h> | |
ada45c78 | 13 | #include <unistd.h> |
5de0409e | 14 | |
012f2b7d | 15 | #include "sd-bus.h" |
2cf4172a | 16 | #include "sd-journal.h" |
2b044526 | 17 | #include "sd-messages.h" |
3f6fd1ba | 18 | |
b5efdb8a | 19 | #include "alloc-util.h" |
012f2b7d ZJS |
20 | #include "bus-error.h" |
21 | #include "bus-util.h" | |
3f6fd1ba | 22 | #include "compress.h" |
3ffd4af2 | 23 | #include "fd-util.h" |
0d39fa9c | 24 | #include "fileio.h" |
992e8f22 | 25 | #include "fs-util.h" |
3f6fd1ba | 26 | #include "journal-internal.h" |
b9aaa7f4 | 27 | #include "journal-util.h" |
5de0409e | 28 | #include "log.h" |
763c7aa2 | 29 | #include "macro.h" |
3f6fd1ba | 30 | #include "pager.h" |
6bedfcbb | 31 | #include "parse-util.h" |
3f6fd1ba | 32 | #include "path-util.h" |
0b452006 | 33 | #include "process-util.h" |
3f6fd1ba | 34 | #include "sigbus.h" |
24882e06 | 35 | #include "signal-util.h" |
07630cea | 36 | #include "string-util.h" |
5ab9ed07 | 37 | #include "strv.h" |
3f6fd1ba | 38 | #include "terminal-util.h" |
b1d4f8e1 | 39 | #include "user-util.h" |
6bedfcbb | 40 | #include "util.h" |
5ce97d33 | 41 | #include "verbs.h" |
5de0409e | 42 | |
501551e8 LP |
43 | #define SHORT_BUS_CALL_TIMEOUT_USEC (3 * USEC_PER_SEC) |
44 | ||
32485d09 | 45 | static usec_t arg_since = USEC_INFINITY, arg_until = USEC_INFINITY; |
e15758cc | 46 | static const char* arg_field = NULL; |
c5896b6a | 47 | static const char *arg_debugger = NULL; |
b73e9a02 | 48 | static const char *arg_directory = NULL; |
ea4b98e6 | 49 | static bool arg_no_pager = false; |
9a340880 | 50 | static int arg_no_legend = false; |
0c51aada | 51 | static int arg_one = false; |
3774cf57 | 52 | static FILE* arg_output = NULL; |
df65f77b | 53 | static bool arg_reverse = false; |
b9aaa7f4 | 54 | static bool arg_quiet = false; |
5de0409e | 55 | |
5ab9ed07 | 56 | static int add_match(sd_journal *j, const char *match) { |
7fd1b19b | 57 | _cleanup_free_ char *p = NULL; |
43bfe750 | 58 | const char* prefix, *pattern; |
0f474365 LP |
59 | pid_t pid; |
60 | int r; | |
5de0409e ZJS |
61 | |
62 | if (strchr(match, '=')) | |
63 | prefix = ""; | |
64 | else if (strchr(match, '/')) { | |
0f474365 LP |
65 | r = path_make_absolute_cwd(match, &p); |
66 | if (r < 0) | |
5ab9ed07 ZJS |
67 | return log_error_errno(r, "path_make_absolute_cwd(\"%s\"): %m", match); |
68 | ||
5de0409e ZJS |
69 | match = p; |
70 | prefix = "COREDUMP_EXE="; | |
0f474365 | 71 | } else if (parse_pid(match, &pid) >= 0) |
5de0409e ZJS |
72 | prefix = "COREDUMP_PID="; |
73 | else | |
74 | prefix = "COREDUMP_COMM="; | |
75 | ||
e8fb0238 | 76 | pattern = strjoina(prefix, match); |
5ab9ed07 ZJS |
77 | log_debug("Adding match: %s", pattern); |
78 | r = sd_journal_add_match(j, pattern, 0); | |
79 | if (r < 0) | |
80 | return log_error_errno(r, "Failed to add match \"%s\": %m", match); | |
43bfe750 | 81 | |
5ab9ed07 ZJS |
82 | return 0; |
83 | } | |
84 | ||
5ce97d33 | 85 | static int add_matches(sd_journal *j, char **matches) { |
5ab9ed07 ZJS |
86 | char **match; |
87 | int r; | |
5de0409e | 88 | |
2b044526 | 89 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR, 0); |
0f474365 | 90 | if (r < 0) |
2b044526 | 91 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR); |
5ab9ed07 | 92 | |
a7581ff9 ZJS |
93 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR, 0); |
94 | if (r < 0) | |
95 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR); | |
96 | ||
5ce97d33 | 97 | STRV_FOREACH(match, matches) { |
5ab9ed07 ZJS |
98 | r = add_match(j, *match); |
99 | if (r < 0) | |
100 | return r; | |
101 | } | |
5de0409e ZJS |
102 | |
103 | return 0; | |
5de0409e ZJS |
104 | } |
105 | ||
5ce97d33 YW |
106 | static int acquire_journal(sd_journal **ret, char **matches) { |
107 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
108 | int r; | |
109 | ||
110 | assert(ret); | |
111 | ||
112 | if (arg_directory) { | |
113 | r = sd_journal_open_directory(&j, arg_directory, 0); | |
114 | if (r < 0) | |
115 | return log_error_errno(r, "Failed to open journals in directory: %s: %m", arg_directory); | |
116 | } else { | |
117 | r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); | |
118 | if (r < 0) | |
119 | return log_error_errno(r, "Failed to open journal: %m"); | |
120 | } | |
121 | ||
122 | r = journal_access_check_and_warn(j, arg_quiet, true); | |
123 | if (r < 0) | |
124 | return r; | |
125 | ||
126 | r = add_matches(j, matches); | |
127 | if (r < 0) | |
128 | return r; | |
129 | ||
130 | if (DEBUG_LOGGING) { | |
131 | _cleanup_free_ char *filter; | |
132 | ||
133 | filter = journal_make_match_string(j); | |
134 | log_debug("Journal filter: %s", filter); | |
135 | } | |
136 | ||
1cc6c93a | 137 | *ret = TAKE_PTR(j); |
5ce97d33 YW |
138 | |
139 | return 0; | |
140 | } | |
141 | ||
142 | static int help(void) { | |
601185b4 ZJS |
143 | printf("%s [OPTIONS...]\n\n" |
144 | "List or retrieve coredumps from the journal.\n\n" | |
145 | "Flags:\n" | |
c5896b6a RG |
146 | " -h --help Show this help\n" |
147 | " --version Print version string\n" | |
148 | " --no-pager Do not pipe output into a pager\n" | |
149 | " --no-legend Do not print the column headers\n" | |
150 | " --debugger=DEBUGGER Use the given debugger\n" | |
151 | " -1 Show information about most recent entry only\n" | |
152 | " -S --since=DATE Only print coredumps since the date\n" | |
153 | " -U --until=DATE Only print coredumps until the date\n" | |
154 | " -r --reverse Show the newest entries first\n" | |
155 | " -F --field=FIELD List all values a certain field takes\n" | |
156 | " -o --output=FILE Write output to FILE\n" | |
157 | " -D --directory=DIR Use journal files from directory\n\n" | |
158 | " -q --quiet Do not show info messages and privilege warning\n" | |
601185b4 ZJS |
159 | "Commands:\n" |
160 | " list [MATCHES...] List available coredumps (default)\n" | |
161 | " info [MATCHES...] Show detailed information about one or more coredumps\n" | |
162 | " dump [MATCHES...] Print first matching coredump to stdout\n" | |
c5896b6a | 163 | " debug [MATCHES...] Start a debugger for the first matching coredump\n" |
601185b4 | 164 | , program_invocation_short_name); |
5ce97d33 YW |
165 | |
166 | return 0; | |
601185b4 ZJS |
167 | } |
168 | ||
5ab9ed07 | 169 | static int parse_argv(int argc, char *argv[]) { |
5de0409e ZJS |
170 | enum { |
171 | ARG_VERSION = 0x100, | |
172 | ARG_NO_PAGER, | |
9a340880 | 173 | ARG_NO_LEGEND, |
c5896b6a | 174 | ARG_DEBUGGER, |
5de0409e ZJS |
175 | }; |
176 | ||
32485d09 | 177 | int c, r; |
5de0409e ZJS |
178 | |
179 | static const struct option options[] = { | |
57ce4bd4 ZJS |
180 | { "help", no_argument, NULL, 'h' }, |
181 | { "version" , no_argument, NULL, ARG_VERSION }, | |
182 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
9a340880 | 183 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
c5896b6a | 184 | { "debugger", required_argument, NULL, ARG_DEBUGGER }, |
57ce4bd4 | 185 | { "output", required_argument, NULL, 'o' }, |
4f76ae1b | 186 | { "field", required_argument, NULL, 'F' }, |
b73e9a02 | 187 | { "directory", required_argument, NULL, 'D' }, |
df65f77b | 188 | { "reverse", no_argument, NULL, 'r' }, |
32485d09 GS |
189 | { "since", required_argument, NULL, 'S' }, |
190 | { "until", required_argument, NULL, 'U' }, | |
b9aaa7f4 | 191 | { "quiet", no_argument, NULL, 'q' }, |
eb9da376 | 192 | {} |
5de0409e ZJS |
193 | }; |
194 | ||
195 | assert(argc >= 0); | |
196 | assert(argv); | |
197 | ||
b9aaa7f4 | 198 | while ((c = getopt_long(argc, argv, "ho:F:1D:rS:U:q", options, NULL)) >= 0) |
5de0409e ZJS |
199 | switch(c) { |
200 | case 'h': | |
5ce97d33 | 201 | return help(); |
5de0409e ZJS |
202 | |
203 | case ARG_VERSION: | |
3f6fd1ba | 204 | return version(); |
5de0409e ZJS |
205 | |
206 | case ARG_NO_PAGER: | |
207 | arg_no_pager = true; | |
208 | break; | |
209 | ||
9a340880 ZJS |
210 | case ARG_NO_LEGEND: |
211 | arg_no_legend = true; | |
212 | break; | |
213 | ||
c5896b6a RG |
214 | case ARG_DEBUGGER: |
215 | arg_debugger = optarg; | |
216 | break; | |
217 | ||
5de0409e | 218 | case 'o': |
3774cf57 | 219 | if (arg_output) { |
abdf29f5 | 220 | log_error("Cannot set output more than once."); |
5de0409e ZJS |
221 | return -EINVAL; |
222 | } | |
223 | ||
3774cf57 LP |
224 | arg_output = fopen(optarg, "we"); |
225 | if (!arg_output) | |
4a62c710 | 226 | return log_error_errno(errno, "writing to '%s': %m", optarg); |
5de0409e ZJS |
227 | |
228 | break; | |
57ce4bd4 | 229 | |
32485d09 GS |
230 | case 'S': |
231 | r = parse_timestamp(optarg, &arg_since); | |
232 | if (r < 0) | |
233 | return log_error_errno(r, "Failed to parse timestamp: %s", optarg); | |
234 | break; | |
235 | ||
236 | case 'U': | |
237 | r = parse_timestamp(optarg, &arg_until); | |
238 | if (r < 0) | |
239 | return log_error_errno(r, "Failed to parse timestamp: %s", optarg); | |
240 | break; | |
241 | ||
4f76ae1b | 242 | case 'F': |
a276ae74 | 243 | if (arg_field) { |
abdf29f5 | 244 | log_error("Cannot use --field/-F more than once."); |
4f76ae1b ZJS |
245 | return -EINVAL; |
246 | } | |
a276ae74 | 247 | arg_field = optarg; |
4f76ae1b ZJS |
248 | break; |
249 | ||
0c51aada LP |
250 | case '1': |
251 | arg_one = true; | |
252 | break; | |
253 | ||
b73e9a02 SW |
254 | case 'D': |
255 | arg_directory = optarg; | |
256 | break; | |
257 | ||
df65f77b NK |
258 | case 'r': |
259 | arg_reverse = true; | |
260 | break; | |
261 | ||
b9aaa7f4 ZJS |
262 | case 'q': |
263 | arg_quiet = true; | |
264 | break; | |
265 | ||
57ce4bd4 ZJS |
266 | case '?': |
267 | return -EINVAL; | |
268 | ||
5de0409e | 269 | default: |
eb9da376 | 270 | assert_not_reached("Unhandled option"); |
5de0409e ZJS |
271 | } |
272 | ||
32485d09 GS |
273 | if (arg_since != USEC_INFINITY && arg_until != USEC_INFINITY && |
274 | arg_since > arg_until) { | |
275 | log_error("--since= must be before --until=."); | |
276 | return -EINVAL; | |
277 | } | |
278 | ||
5ce97d33 | 279 | return 1; |
5de0409e ZJS |
280 | } |
281 | ||
8bc8ab83 LP |
282 | static int retrieve(const void *data, |
283 | size_t len, | |
284 | const char *name, | |
a276ae74 | 285 | char **var) { |
5de0409e | 286 | |
4f76ae1b | 287 | size_t ident; |
a276ae74 | 288 | char *v; |
8bc8ab83 | 289 | |
4f76ae1b | 290 | ident = strlen(name) + 1; /* name + "=" */ |
8bc8ab83 | 291 | |
4f76ae1b | 292 | if (len < ident) |
8bc8ab83 | 293 | return 0; |
5de0409e | 294 | |
4f76ae1b | 295 | if (memcmp(data, name, ident - 1) != 0) |
8bc8ab83 LP |
296 | return 0; |
297 | ||
4f76ae1b | 298 | if (((const char*) data)[ident - 1] != '=') |
8bc8ab83 | 299 | return 0; |
5de0409e | 300 | |
a276ae74 LP |
301 | v = strndup((const char*)data + ident, len - ident); |
302 | if (!v) | |
5de0409e ZJS |
303 | return log_oom(); |
304 | ||
a276ae74 LP |
305 | free(*var); |
306 | *var = v; | |
307 | ||
062b99e8 | 308 | return 1; |
5de0409e ZJS |
309 | } |
310 | ||
062b99e8 | 311 | static int print_field(FILE* file, sd_journal *j) { |
4f76ae1b ZJS |
312 | const void *d; |
313 | size_t l; | |
314 | ||
e15758cc LP |
315 | assert(file); |
316 | assert(j); | |
317 | ||
a276ae74 | 318 | assert(arg_field); |
4f76ae1b | 319 | |
062b99e8 ZJS |
320 | /* A (user-specified) field may appear more than once for a given entry. |
321 | * We will print all of the occurences. | |
322 | * This is different below for fields that systemd-coredump uses, | |
323 | * because they cannot meaningfully appear more than once. | |
324 | */ | |
325 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
326 | _cleanup_free_ char *value = NULL; | |
327 | int r; | |
328 | ||
329 | r = retrieve(d, l, arg_field, &value); | |
330 | if (r < 0) | |
331 | return r; | |
332 | if (r > 0) | |
333 | fprintf(file, "%s\n", value); | |
334 | } | |
a276ae74 | 335 | |
062b99e8 | 336 | return 0; |
4f76ae1b ZJS |
337 | } |
338 | ||
062b99e8 ZJS |
339 | #define RETRIEVE(d, l, name, arg) \ |
340 | { \ | |
341 | int _r = retrieve(d, l, name, &arg); \ | |
342 | if (_r < 0) \ | |
343 | return _r; \ | |
344 | if (_r > 0) \ | |
345 | continue; \ | |
346 | } | |
347 | ||
e15758cc | 348 | static int print_list(FILE* file, sd_journal *j, int had_legend) { |
a276ae74 | 349 | _cleanup_free_ char |
a7581ff9 | 350 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
9fe13294 | 351 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
cc4419ed | 352 | *filename = NULL, *truncated = NULL, *coredump = NULL; |
8bc8ab83 LP |
353 | const void *d; |
354 | size_t l; | |
684341b0 LP |
355 | usec_t t; |
356 | char buf[FORMAT_TIMESTAMP_MAX]; | |
357 | int r; | |
04de5879 | 358 | const char *present; |
a7581ff9 | 359 | bool normal_coredump; |
8bc8ab83 | 360 | |
e15758cc LP |
361 | assert(file); |
362 | assert(j); | |
363 | ||
8bc8ab83 | 364 | SD_JOURNAL_FOREACH_DATA(j, d, l) { |
a7581ff9 | 365 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
366 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
367 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
368 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
369 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
370 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
371 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
372 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
373 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 374 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 | 375 | RETRIEVE(d, l, "COREDUMP", coredump); |
8bc8ab83 | 376 | } |
5de0409e | 377 | |
9fe13294 | 378 | if (!pid && !uid && !gid && !sgnl && !exe && !comm && !cmdline && !filename) { |
684341b0 LP |
379 | log_warning("Empty coredump log entry"); |
380 | return -EINVAL; | |
381 | } | |
382 | ||
383 | r = sd_journal_get_realtime_usec(j, &t); | |
23bbb0de MS |
384 | if (r < 0) |
385 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
5de0409e | 386 | |
684341b0 LP |
387 | format_timestamp(buf, sizeof(buf), t); |
388 | ||
9a340880 | 389 | if (!had_legend && !arg_no_legend) |
cc4419ed | 390 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 391 | FORMAT_TIMESTAMP_WIDTH, "TIME", |
5de0409e ZJS |
392 | 6, "PID", |
393 | 5, "UID", | |
394 | 5, "GID", | |
684341b0 | 395 | 3, "SIG", |
cc4419ed | 396 | 9, "COREFILE", |
684341b0 | 397 | "EXE"); |
5de0409e | 398 | |
a7581ff9 ZJS |
399 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
400 | ||
04de5879 ZJS |
401 | if (filename) |
402 | if (access(filename, R_OK) == 0) | |
403 | present = "present"; | |
404 | else if (errno == ENOENT) | |
405 | present = "missing"; | |
406 | else | |
407 | present = "error"; | |
408 | else if (coredump) | |
409 | present = "journal"; | |
a7581ff9 | 410 | else if (normal_coredump) |
04de5879 | 411 | present = "none"; |
a7581ff9 ZJS |
412 | else |
413 | present = "-"; | |
04de5879 | 414 | |
32a1575f | 415 | if (STR_IN_SET(present, "present", "journal") && truncated && parse_boolean(truncated) > 0) |
cc4419ed ZJS |
416 | present = "truncated"; |
417 | ||
04de5879 | 418 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 419 | FORMAT_TIMESTAMP_WIDTH, buf, |
a276ae74 LP |
420 | 6, strna(pid), |
421 | 5, strna(uid), | |
422 | 5, strna(gid), | |
a7581ff9 | 423 | 3, normal_coredump ? strna(sgnl) : "-", |
cc4419ed | 424 | 9, present, |
a276ae74 | 425 | strna(exe ?: (comm ?: cmdline))); |
684341b0 LP |
426 | |
427 | return 0; | |
5de0409e ZJS |
428 | } |
429 | ||
e15758cc LP |
430 | static int print_info(FILE *file, sd_journal *j, bool need_space) { |
431 | _cleanup_free_ char | |
a7581ff9 | 432 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
e15758cc LP |
433 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
434 | *unit = NULL, *user_unit = NULL, *session = NULL, | |
a035f819 | 435 | *boot_id = NULL, *machine_id = NULL, *hostname = NULL, |
9fe13294 | 436 | *slice = NULL, *cgroup = NULL, *owner_uid = NULL, |
47f50642 | 437 | *message = NULL, *timestamp = NULL, *filename = NULL, |
cc4419ed | 438 | *truncated = NULL, *coredump = NULL; |
e15758cc LP |
439 | const void *d; |
440 | size_t l; | |
a7581ff9 | 441 | bool normal_coredump; |
4b8cbe9a | 442 | int r; |
e15758cc LP |
443 | |
444 | assert(file); | |
445 | assert(j); | |
446 | ||
447 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
a7581ff9 | 448 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
449 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
450 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
451 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
452 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
453 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
454 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
455 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
456 | RETRIEVE(d, l, "COREDUMP_UNIT", unit); | |
457 | RETRIEVE(d, l, "COREDUMP_USER_UNIT", user_unit); | |
458 | RETRIEVE(d, l, "COREDUMP_SESSION", session); | |
459 | RETRIEVE(d, l, "COREDUMP_OWNER_UID", owner_uid); | |
460 | RETRIEVE(d, l, "COREDUMP_SLICE", slice); | |
461 | RETRIEVE(d, l, "COREDUMP_CGROUP", cgroup); | |
462 | RETRIEVE(d, l, "COREDUMP_TIMESTAMP", timestamp); | |
463 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 464 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 ZJS |
465 | RETRIEVE(d, l, "COREDUMP", coredump); |
466 | RETRIEVE(d, l, "_BOOT_ID", boot_id); | |
467 | RETRIEVE(d, l, "_MACHINE_ID", machine_id); | |
468 | RETRIEVE(d, l, "_HOSTNAME", hostname); | |
469 | RETRIEVE(d, l, "MESSAGE", message); | |
e15758cc LP |
470 | } |
471 | ||
472 | if (need_space) | |
473 | fputs("\n", file); | |
474 | ||
a7581ff9 ZJS |
475 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
476 | ||
81cef14f LP |
477 | if (comm) |
478 | fprintf(file, | |
479 | " PID: %s%s%s (%s)\n", | |
1fc464f6 | 480 | ansi_highlight(), strna(pid), ansi_normal(), comm); |
81cef14f LP |
481 | else |
482 | fprintf(file, | |
483 | " PID: %s%s%s\n", | |
1fc464f6 | 484 | ansi_highlight(), strna(pid), ansi_normal()); |
a035f819 LP |
485 | |
486 | if (uid) { | |
487 | uid_t n; | |
488 | ||
489 | if (parse_uid(uid, &n) >= 0) { | |
490 | _cleanup_free_ char *u = NULL; | |
491 | ||
492 | u = uid_to_name(n); | |
493 | fprintf(file, | |
494 | " UID: %s (%s)\n", | |
495 | uid, u); | |
496 | } else { | |
497 | fprintf(file, | |
498 | " UID: %s\n", | |
499 | uid); | |
500 | } | |
501 | } | |
502 | ||
503 | if (gid) { | |
504 | gid_t n; | |
505 | ||
506 | if (parse_gid(gid, &n) >= 0) { | |
507 | _cleanup_free_ char *g = NULL; | |
508 | ||
509 | g = gid_to_name(n); | |
510 | fprintf(file, | |
511 | " GID: %s (%s)\n", | |
512 | gid, g); | |
513 | } else { | |
514 | fprintf(file, | |
515 | " GID: %s\n", | |
516 | gid); | |
517 | } | |
518 | } | |
e15758cc LP |
519 | |
520 | if (sgnl) { | |
521 | int sig; | |
a7581ff9 | 522 | const char *name = normal_coredump ? "Signal" : "Reason"; |
e15758cc | 523 | |
a7581ff9 ZJS |
524 | if (normal_coredump && safe_atoi(sgnl, &sig) >= 0) |
525 | fprintf(file, " %s: %s (%s)\n", name, sgnl, signal_to_string(sig)); | |
e15758cc | 526 | else |
a7581ff9 | 527 | fprintf(file, " %s: %s\n", name, sgnl); |
e15758cc LP |
528 | } |
529 | ||
4b8cbe9a LP |
530 | if (timestamp) { |
531 | usec_t u; | |
532 | ||
533 | r = safe_atou64(timestamp, &u); | |
534 | if (r >= 0) { | |
535 | char absolute[FORMAT_TIMESTAMP_MAX], relative[FORMAT_TIMESPAN_MAX]; | |
536 | ||
537 | fprintf(file, | |
538 | " Timestamp: %s (%s)\n", | |
539 | format_timestamp(absolute, sizeof(absolute), u), | |
540 | format_timestamp_relative(relative, sizeof(relative), u)); | |
541 | ||
542 | } else | |
543 | fprintf(file, " Timestamp: %s\n", timestamp); | |
544 | } | |
545 | ||
e15758cc LP |
546 | if (cmdline) |
547 | fprintf(file, " Command Line: %s\n", cmdline); | |
81cef14f | 548 | if (exe) |
1fc464f6 | 549 | fprintf(file, " Executable: %s%s%s\n", ansi_highlight(), exe, ansi_normal()); |
a035f819 LP |
550 | if (cgroup) |
551 | fprintf(file, " Control Group: %s\n", cgroup); | |
e15758cc LP |
552 | if (unit) |
553 | fprintf(file, " Unit: %s\n", unit); | |
554 | if (user_unit) | |
554ed50f | 555 | fprintf(file, " User Unit: %s\n", user_unit); |
a035f819 LP |
556 | if (slice) |
557 | fprintf(file, " Slice: %s\n", slice); | |
e15758cc LP |
558 | if (session) |
559 | fprintf(file, " Session: %s\n", session); | |
a035f819 LP |
560 | if (owner_uid) { |
561 | uid_t n; | |
562 | ||
563 | if (parse_uid(owner_uid, &n) >= 0) { | |
564 | _cleanup_free_ char *u = NULL; | |
565 | ||
566 | u = uid_to_name(n); | |
567 | fprintf(file, | |
568 | " Owner UID: %s (%s)\n", | |
569 | owner_uid, u); | |
570 | } else { | |
571 | fprintf(file, | |
572 | " Owner UID: %s\n", | |
573 | owner_uid); | |
574 | } | |
575 | } | |
e15758cc LP |
576 | if (boot_id) |
577 | fprintf(file, " Boot ID: %s\n", boot_id); | |
578 | if (machine_id) | |
579 | fprintf(file, " Machine ID: %s\n", machine_id); | |
580 | if (hostname) | |
581 | fprintf(file, " Hostname: %s\n", hostname); | |
582 | ||
cc4419ed | 583 | if (filename) { |
32a1575f LP |
584 | bool inacc, trunc; |
585 | ||
586 | inacc = access(filename, R_OK) < 0; | |
587 | trunc = truncated && parse_boolean(truncated) > 0; | |
cc4419ed ZJS |
588 | |
589 | if (inacc || trunc) | |
590 | fprintf(file, " Storage: %s%s (%s%s%s)%s\n", | |
591 | ansi_highlight_red(), | |
592 | filename, | |
593 | inacc ? "inaccessible" : "", | |
594 | inacc && trunc ? ", " : "", | |
595 | trunc ? "truncated" : "", | |
596 | ansi_normal()); | |
597 | else | |
598 | fprintf(file, " Storage: %s\n", filename); | |
599 | } | |
600 | ||
47f50642 ZJS |
601 | else if (coredump) |
602 | fprintf(file, " Storage: journal\n"); | |
603 | else | |
604 | fprintf(file, " Storage: none\n"); | |
e15758cc | 605 | |
8d4e028f LP |
606 | if (message) { |
607 | _cleanup_free_ char *m = NULL; | |
608 | ||
609 | m = strreplace(message, "\n", "\n "); | |
610 | ||
611 | fprintf(file, " Message: %s\n", strstrip(m ?: message)); | |
612 | } | |
613 | ||
e15758cc LP |
614 | return 0; |
615 | } | |
616 | ||
ada45c78 | 617 | static int focus(sd_journal *j) { |
5de0409e ZJS |
618 | int r; |
619 | ||
5de0409e ZJS |
620 | r = sd_journal_seek_tail(j); |
621 | if (r == 0) | |
622 | r = sd_journal_previous(j); | |
23bbb0de MS |
623 | if (r < 0) |
624 | return log_error_errno(r, "Failed to search journal: %m"); | |
8bc8ab83 | 625 | if (r == 0) { |
0c51aada | 626 | log_error("No match found."); |
8bc8ab83 LP |
627 | return -ESRCH; |
628 | } | |
ada45c78 LP |
629 | return r; |
630 | } | |
5de0409e | 631 | |
5ce97d33 | 632 | static int print_entry(sd_journal *j, unsigned n_found, bool verb_is_info) { |
0c51aada LP |
633 | assert(j); |
634 | ||
5ce97d33 | 635 | if (verb_is_info) |
062b99e8 | 636 | return print_info(stdout, j, n_found); |
0c51aada | 637 | else if (arg_field) |
062b99e8 | 638 | return print_field(stdout, j); |
0c51aada | 639 | else |
062b99e8 | 640 | return print_list(stdout, j, n_found); |
0c51aada LP |
641 | } |
642 | ||
5ce97d33 YW |
643 | static int dump_list(int argc, char **argv, void *userdata) { |
644 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
0c51aada | 645 | unsigned n_found = 0; |
5ce97d33 | 646 | bool verb_is_info; |
0c51aada LP |
647 | int r; |
648 | ||
5ce97d33 YW |
649 | verb_is_info = (argc >= 1 && streq(argv[0], "info")); |
650 | ||
651 | r = acquire_journal(&j, argv + 1); | |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
ee5324aa | 655 | (void) pager_open(arg_no_pager, false); |
0c51aada LP |
656 | |
657 | /* The coredumps are likely to compressed, and for just | |
658 | * listing them we don't need to decompress them, so let's | |
659 | * pick a fairly low data threshold here */ | |
660 | sd_journal_set_data_threshold(j, 4096); | |
661 | ||
662 | if (arg_one) { | |
663 | r = focus(j); | |
664 | if (r < 0) | |
665 | return r; | |
666 | ||
5ce97d33 | 667 | return print_entry(j, 0, verb_is_info); |
0c51aada | 668 | } else { |
32485d09 GS |
669 | if (arg_since != USEC_INFINITY && !arg_reverse) |
670 | r = sd_journal_seek_realtime_usec(j, arg_since); | |
671 | else if (arg_until != USEC_INFINITY && arg_reverse) | |
672 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
673 | else if (arg_reverse) | |
674 | r = sd_journal_seek_tail(j); | |
675 | else | |
676 | r = sd_journal_seek_head(j); | |
677 | if (r < 0) | |
678 | return log_error_errno(r, "Failed to seek to date: %m"); | |
679 | ||
680 | for (;;) { | |
681 | if (!arg_reverse) | |
682 | r = sd_journal_next(j); | |
683 | else | |
684 | r = sd_journal_previous(j); | |
685 | ||
686 | if (r < 0) | |
687 | return log_error_errno(r, "Failed to iterate through journal: %m"); | |
688 | ||
689 | if (r == 0) | |
690 | break; | |
691 | ||
692 | if (arg_until != USEC_INFINITY && !arg_reverse) { | |
693 | usec_t usec; | |
694 | ||
695 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 696 | if (r < 0) |
32485d09 GS |
697 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
698 | if (usec > arg_until) | |
699 | continue; | |
df65f77b | 700 | } |
32485d09 GS |
701 | |
702 | if (arg_since != USEC_INFINITY && arg_reverse) { | |
703 | usec_t usec; | |
704 | ||
705 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 706 | if (r < 0) |
32485d09 GS |
707 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
708 | if (usec < arg_since) | |
709 | continue; | |
df65f77b | 710 | } |
32485d09 | 711 | |
5ce97d33 | 712 | r = print_entry(j, n_found++, verb_is_info); |
32485d09 GS |
713 | if (r < 0) |
714 | return r; | |
062b99e8 | 715 | } |
0c51aada LP |
716 | |
717 | if (!arg_field && n_found <= 0) { | |
b9aaa7f4 ZJS |
718 | if (!arg_quiet) |
719 | log_notice("No coredumps found."); | |
0c51aada LP |
720 | return -ESRCH; |
721 | } | |
722 | } | |
723 | ||
724 | return 0; | |
725 | } | |
726 | ||
bb7c5bad | 727 | static int save_core(sd_journal *j, FILE *file, char **path, bool *unlink_temp) { |
9fe13294 ZJS |
728 | const char *data; |
729 | _cleanup_free_ char *filename = NULL; | |
730 | size_t len; | |
bb7c5bad | 731 | int r, fd; |
fc6cec86 ZJS |
732 | _cleanup_close_ int fdt = -1; |
733 | char *temp = NULL; | |
ada45c78 | 734 | |
bb7c5bad ZJS |
735 | assert(!(file && path)); /* At most one can be specified */ |
736 | assert(!!path == !!unlink_temp); /* Those must be specified together */ | |
47f50642 | 737 | |
fc6cec86 | 738 | /* Look for a coredump on disk first. */ |
9fe13294 | 739 | r = sd_journal_get_data(j, "COREDUMP_FILENAME", (const void**) &data, &len); |
bb7c5bad | 740 | if (r == 0) |
9fe13294 | 741 | retrieve(data, len, "COREDUMP_FILENAME", &filename); |
bb7c5bad ZJS |
742 | else { |
743 | if (r != -ENOENT) | |
744 | return log_error_errno(r, "Failed to retrieve COREDUMP_FILENAME field: %m"); | |
745 | /* Check that we can have a COREDUMP field. We still haven't set a high | |
746 | * data threshold, so we'll get a few kilobytes at most. | |
747 | */ | |
748 | ||
749 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); | |
750 | if (r == -ENOENT) | |
751 | return log_error_errno(r, "Coredump entry has no core attached (neither internally in the journal nor externally on disk)."); | |
752 | if (r < 0) | |
753 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); | |
754 | } | |
93b73b06 | 755 | |
954d3a51 ZJS |
756 | if (filename) { |
757 | if (access(filename, R_OK) < 0) | |
758 | return log_error_errno(errno, "File \"%s\" is not readable: %m", filename); | |
5de0409e | 759 | |
954d3a51 | 760 | if (path && !endswith(filename, ".xz") && !endswith(filename, ".lz4")) { |
ae2a15bc | 761 | *path = TAKE_PTR(filename); |
a276ae74 | 762 | |
954d3a51 ZJS |
763 | return 0; |
764 | } | |
fc6cec86 | 765 | } |
a276ae74 | 766 | |
bb7c5bad | 767 | if (path) { |
fc6cec86 | 768 | const char *vt; |
992e8f22 | 769 | |
fc6cec86 | 770 | /* Create a temporary file to write the uncompressed core to. */ |
992e8f22 | 771 | |
fc6cec86 ZJS |
772 | r = var_tmp_dir(&vt); |
773 | if (r < 0) | |
774 | return log_error_errno(r, "Failed to acquire temporary directory path: %m"); | |
9fe13294 | 775 | |
605405c6 | 776 | temp = strjoin(vt, "/coredump-XXXXXX"); |
fc6cec86 ZJS |
777 | if (!temp) |
778 | return log_oom(); | |
9fe13294 | 779 | |
fc6cec86 ZJS |
780 | fdt = mkostemp_safe(temp); |
781 | if (fdt < 0) | |
782 | return log_error_errno(fdt, "Failed to create temporary file: %m"); | |
783 | log_debug("Created temporary file %s", temp); | |
9fe13294 | 784 | |
fc6cec86 | 785 | fd = fdt; |
bb7c5bad ZJS |
786 | } else { |
787 | /* If neither path or file are specified, we will write to stdout. Let's now check | |
788 | * if stdout is connected to a tty. We checked that the file exists, or that the | |
789 | * core might be stored in the journal. In this second case, if we found the entry, | |
790 | * in all likelyhood we will be able to access the COREDUMP= field. In either case, | |
791 | * we stop before doing any "real" work, i.e. before starting decompression or | |
792 | * reading from the file or creating temporary files. | |
793 | */ | |
794 | if (!file) { | |
795 | if (on_tty()) | |
796 | return log_error_errno(ENOTTY, "Refusing to dump core to tty" | |
797 | " (use shell redirection or specify --output)."); | |
798 | file = stdout; | |
799 | } | |
800 | ||
801 | fd = fileno(file); | |
fc6cec86 ZJS |
802 | } |
803 | ||
804 | if (filename) { | |
349cc4a5 | 805 | #if HAVE_XZ || HAVE_LZ4 |
fc6cec86 | 806 | _cleanup_close_ int fdf; |
9fe13294 | 807 | |
fc6cec86 ZJS |
808 | fdf = open(filename, O_RDONLY | O_CLOEXEC); |
809 | if (fdf < 0) { | |
810 | r = log_error_errno(errno, "Failed to open %s: %m", filename); | |
2fb8159f | 811 | goto error; |
fc6cec86 ZJS |
812 | } |
813 | ||
814 | r = decompress_stream(filename, fdf, fd, -1); | |
815 | if (r < 0) { | |
816 | log_error_errno(r, "Failed to decompress %s: %m", filename); | |
9fe13294 ZJS |
817 | goto error; |
818 | } | |
fc6cec86 ZJS |
819 | #else |
820 | log_error("Cannot decompress file. Compiled without compression support."); | |
821 | r = -EOPNOTSUPP; | |
822 | goto error; | |
823 | #endif | |
824 | } else { | |
825 | ssize_t sz; | |
a276ae74 | 826 | |
bb7c5bad ZJS |
827 | /* We want full data, nothing truncated. */ |
828 | sd_journal_set_data_threshold(j, 0); | |
829 | ||
fc6cec86 ZJS |
830 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); |
831 | if (r < 0) | |
bb7c5bad | 832 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); |
fc6cec86 ZJS |
833 | |
834 | assert(len >= 9); | |
835 | data += 9; | |
836 | len -= 9; | |
837 | ||
954d3a51 | 838 | sz = write(fd, data, len); |
fc6cec86 | 839 | if (sz < 0) { |
954d3a51 | 840 | r = log_error_errno(errno, "Failed to write output: %m"); |
fc6cec86 | 841 | goto error; |
a276ae74 | 842 | } |
fc6cec86 | 843 | if (sz != (ssize_t) len) { |
954d3a51 | 844 | log_error("Short write to output."); |
fc6cec86 ZJS |
845 | r = -EIO; |
846 | goto error; | |
847 | } | |
848 | } | |
a276ae74 | 849 | |
fc6cec86 ZJS |
850 | if (temp) { |
851 | *path = temp; | |
852 | *unlink_temp = true; | |
853 | } | |
854 | return 0; | |
9fe13294 ZJS |
855 | |
856 | error: | |
fc6cec86 ZJS |
857 | if (temp) { |
858 | unlink(temp); | |
859 | log_debug("Removed temporary file %s", temp); | |
9fe13294 | 860 | } |
fc6cec86 | 861 | return r; |
9fe13294 | 862 | } |
a276ae74 | 863 | |
5ce97d33 YW |
864 | static int dump_core(int argc, char **argv, void *userdata) { |
865 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
9fe13294 ZJS |
866 | int r; |
867 | ||
5ce97d33 YW |
868 | if (arg_field) { |
869 | log_error("Option --field/-F only makes sense with list"); | |
870 | return -EINVAL; | |
871 | } | |
872 | ||
873 | r = acquire_journal(&j, argv + 1); | |
874 | if (r < 0) | |
875 | return r; | |
9fe13294 ZJS |
876 | |
877 | r = focus(j); | |
878 | if (r < 0) | |
ada45c78 | 879 | return r; |
ada45c78 | 880 | |
3774cf57 | 881 | print_info(arg_output ? stdout : stderr, j, false); |
9fe13294 | 882 | |
bb7c5bad | 883 | r = save_core(j, arg_output, NULL, NULL); |
23bbb0de | 884 | if (r < 0) |
bb7c5bad | 885 | return r; |
5de0409e ZJS |
886 | |
887 | r = sd_journal_previous(j); | |
b9aaa7f4 ZJS |
888 | if (r > 0 && !arg_quiet) |
889 | log_notice("More than one entry matches, ignoring rest."); | |
5de0409e ZJS |
890 | |
891 | return 0; | |
892 | } | |
893 | ||
c5896b6a | 894 | static int run_debug(int argc, char **argv, void *userdata) { |
5ce97d33 | 895 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
de8f6e54 | 896 | _cleanup_free_ char *exe = NULL, *path = NULL; |
9fe13294 | 897 | bool unlink_path = false; |
c5896b6a | 898 | const char *data, *fork_name; |
ada45c78 | 899 | size_t len; |
ada45c78 | 900 | pid_t pid; |
ada45c78 | 901 | int r; |
ada45c78 | 902 | |
c5896b6a RG |
903 | if (!arg_debugger) { |
904 | char *env_debugger; | |
905 | ||
906 | env_debugger = getenv("SYSTEMD_DEBUGGER"); | |
907 | if (env_debugger) | |
908 | arg_debugger = env_debugger; | |
909 | else | |
910 | arg_debugger = "gdb"; | |
911 | } | |
912 | ||
5ce97d33 YW |
913 | if (arg_field) { |
914 | log_error("Option --field/-F only makes sense with list"); | |
915 | return -EINVAL; | |
916 | } | |
917 | ||
918 | r = acquire_journal(&j, argv + 1); | |
919 | if (r < 0) | |
920 | return r; | |
ada45c78 LP |
921 | |
922 | r = focus(j); | |
923 | if (r < 0) | |
924 | return r; | |
925 | ||
e15758cc LP |
926 | print_info(stdout, j, false); |
927 | fputs("\n", stdout); | |
ada45c78 LP |
928 | |
929 | r = sd_journal_get_data(j, "COREDUMP_EXE", (const void**) &data, &len); | |
23bbb0de MS |
930 | if (r < 0) |
931 | return log_error_errno(r, "Failed to retrieve COREDUMP_EXE field: %m"); | |
ada45c78 | 932 | |
fbd0b64f LP |
933 | assert(len > STRLEN("COREDUMP_EXE=")); |
934 | data += STRLEN("COREDUMP_EXE="); | |
935 | len -= STRLEN("COREDUMP_EXE="); | |
ada45c78 LP |
936 | |
937 | exe = strndup(data, len); | |
938 | if (!exe) | |
939 | return log_oom(); | |
940 | ||
941 | if (endswith(exe, " (deleted)")) { | |
942 | log_error("Binary already deleted."); | |
943 | return -ENOENT; | |
944 | } | |
945 | ||
a276ae74 LP |
946 | if (!path_is_absolute(exe)) { |
947 | log_error("Binary is not an absolute path."); | |
948 | return -ENOENT; | |
949 | } | |
950 | ||
bb7c5bad | 951 | r = save_core(j, NULL, &path, &unlink_path); |
23bbb0de | 952 | if (r < 0) |
bb7c5bad | 953 | return r; |
ada45c78 | 954 | |
3e7bc89b FB |
955 | /* Don't interfere with gdb and its handling of SIGINT. */ |
956 | (void) ignore_signals(SIGINT, -1); | |
957 | ||
c5896b6a RG |
958 | fork_name = strjoina("(", arg_debugger, ")"); |
959 | ||
960 | r = safe_fork(fork_name, FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_CLOSE_ALL_FDS|FORK_LOG, &pid); | |
b6e1fff1 | 961 | if (r < 0) |
ada45c78 | 962 | goto finish; |
4c253ed1 | 963 | if (r == 0) { |
c5896b6a | 964 | execlp(arg_debugger, arg_debugger, exe, "-c", path, NULL); |
0b1f3c76 | 965 | log_open(); |
c5896b6a | 966 | log_error_errno(errno, "Failed to invoke %s: %m", arg_debugger); |
a45d7127 | 967 | _exit(EXIT_FAILURE); |
ada45c78 LP |
968 | } |
969 | ||
c5896b6a | 970 | r = wait_for_terminate_and_check(arg_debugger, pid, WAIT_LOG_ABNORMAL); |
ada45c78 LP |
971 | |
972 | finish: | |
3e7bc89b FB |
973 | (void) default_signals(SIGINT, -1); |
974 | ||
9fe13294 ZJS |
975 | if (unlink_path) { |
976 | log_debug("Removed temporary file %s", path); | |
977 | unlink(path); | |
978 | } | |
a276ae74 | 979 | |
ada45c78 LP |
980 | return r; |
981 | } | |
982 | ||
012f2b7d ZJS |
983 | static int check_units_active(void) { |
984 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
985 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
986 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
987 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
988 | int c = 0, r; | |
7bbf2d84 | 989 | const char *id, *state, *substate; |
012f2b7d | 990 | |
b9aaa7f4 ZJS |
991 | if (arg_quiet) |
992 | return false; | |
993 | ||
012f2b7d ZJS |
994 | r = sd_bus_default_system(&bus); |
995 | if (r < 0) | |
996 | return log_error_errno(r, "Failed to acquire bus: %m"); | |
997 | ||
998 | r = sd_bus_message_new_method_call( | |
999 | bus, | |
1000 | &m, | |
1001 | "org.freedesktop.systemd1", | |
1002 | "/org/freedesktop/systemd1", | |
1003 | "org.freedesktop.systemd1.Manager", | |
1004 | "ListUnitsByPatterns"); | |
1005 | if (r < 0) | |
1006 | return bus_log_create_error(r); | |
1007 | ||
1008 | r = sd_bus_message_append_strv(m, NULL); | |
1009 | if (r < 0) | |
1010 | return bus_log_create_error(r); | |
1011 | ||
1012 | r = sd_bus_message_append_strv(m, STRV_MAKE("systemd-coredump@*.service")); | |
1013 | if (r < 0) | |
1014 | return bus_log_create_error(r); | |
1015 | ||
501551e8 | 1016 | r = sd_bus_call(bus, m, SHORT_BUS_CALL_TIMEOUT_USEC, &error, &reply); |
012f2b7d ZJS |
1017 | if (r < 0) |
1018 | return log_error_errno(r, "Failed to check if any systemd-coredump@.service units are running: %s", | |
1019 | bus_error_message(&error, r)); | |
1020 | ||
1021 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
1022 | if (r < 0) | |
1023 | return bus_log_parse_error(r); | |
1024 | ||
1025 | while ((r = sd_bus_message_read( | |
1026 | reply, "(ssssssouso)", | |
7bbf2d84 ZJS |
1027 | &id, NULL, NULL, &state, &substate, |
1028 | NULL, NULL, NULL, NULL, NULL)) > 0) { | |
eb5877a0 | 1029 | bool found = !STR_IN_SET(state, "inactive", "dead", "failed"); |
7bbf2d84 ZJS |
1030 | log_debug("Unit %s is %s/%s, %scounting it.", id, state, substate, found ? "" : "not "); |
1031 | c += found; | |
1032 | } | |
012f2b7d ZJS |
1033 | if (r < 0) |
1034 | return bus_log_parse_error(r); | |
1035 | ||
1036 | r = sd_bus_message_exit_container(reply); | |
1037 | if (r < 0) | |
1038 | return bus_log_parse_error(r); | |
1039 | ||
1040 | return c; | |
1041 | } | |
1042 | ||
5ce97d33 YW |
1043 | static int coredumpctl_main(int argc, char *argv[]) { |
1044 | ||
1045 | static const Verb verbs[] = { | |
c5896b6a RG |
1046 | { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT, dump_list }, |
1047 | { "info", VERB_ANY, VERB_ANY, 0, dump_list }, | |
1048 | { "dump", VERB_ANY, VERB_ANY, 0, dump_core }, | |
1049 | { "debug", VERB_ANY, VERB_ANY, 0, run_debug }, | |
1050 | { "gdb", VERB_ANY, VERB_ANY, 0, run_debug }, | |
5ce97d33 YW |
1051 | {} |
1052 | }; | |
1053 | ||
1054 | return dispatch_verb(argc, argv, verbs, NULL); | |
1055 | } | |
1056 | ||
5de0409e | 1057 | int main(int argc, char *argv[]) { |
5ce97d33 | 1058 | int r, units_active; |
5de0409e | 1059 | |
a9cdc94f | 1060 | setlocale(LC_ALL, ""); |
5de0409e ZJS |
1061 | log_parse_environment(); |
1062 | log_open(); | |
1063 | ||
5ab9ed07 | 1064 | r = parse_argv(argc, argv); |
5ce97d33 | 1065 | if (r <= 0) |
5de0409e ZJS |
1066 | goto end; |
1067 | ||
2cf4172a LP |
1068 | sigbus_install(); |
1069 | ||
012f2b7d ZJS |
1070 | units_active = check_units_active(); /* error is treated the same as 0 */ |
1071 | ||
5ce97d33 | 1072 | r = coredumpctl_main(argc, argv); |
5de0409e | 1073 | |
012f2b7d ZJS |
1074 | if (units_active > 0) |
1075 | printf("%s-- Notice: %d systemd-coredump@.service %s, output may be incomplete.%s\n", | |
1076 | ansi_highlight_red(), | |
1077 | units_active, units_active == 1 ? "unit is running" : "units are running", | |
1078 | ansi_normal()); | |
5de0409e | 1079 | end: |
5de0409e ZJS |
1080 | pager_close(); |
1081 | ||
f5c4b520 | 1082 | safe_fclose(arg_output); |
5de0409e | 1083 | |
ada45c78 | 1084 | return r >= 0 ? r : EXIT_FAILURE; |
5de0409e | 1085 | } |