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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
5de0409e | 2 | |
3f6fd1ba LP |
3 | #include <fcntl.h> |
4 | #include <getopt.h> | |
a9cdc94f | 5 | #include <locale.h> |
5de0409e ZJS |
6 | #include <stdio.h> |
7 | #include <string.h> | |
ada45c78 | 8 | #include <unistd.h> |
5de0409e | 9 | |
012f2b7d | 10 | #include "sd-bus.h" |
2cf4172a | 11 | #include "sd-journal.h" |
2b044526 | 12 | #include "sd-messages.h" |
3f6fd1ba | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
012f2b7d ZJS |
15 | #include "bus-error.h" |
16 | #include "bus-util.h" | |
3f6fd1ba | 17 | #include "compress.h" |
1abaf488 | 18 | #include "def.h" |
3ffd4af2 | 19 | #include "fd-util.h" |
992e8f22 | 20 | #include "fs-util.h" |
3f6fd1ba | 21 | #include "journal-internal.h" |
b9aaa7f4 | 22 | #include "journal-util.h" |
5de0409e | 23 | #include "log.h" |
763c7aa2 | 24 | #include "macro.h" |
c118b577 | 25 | #include "main-func.h" |
3f6fd1ba | 26 | #include "pager.h" |
6bedfcbb | 27 | #include "parse-util.h" |
3f6fd1ba | 28 | #include "path-util.h" |
294bf0c3 | 29 | #include "pretty-print.h" |
0b452006 | 30 | #include "process-util.h" |
1abaf488 | 31 | #include "rlimit-util.h" |
3f6fd1ba | 32 | #include "sigbus.h" |
24882e06 | 33 | #include "signal-util.h" |
07630cea | 34 | #include "string-util.h" |
5ab9ed07 | 35 | #include "strv.h" |
3f6fd1ba | 36 | #include "terminal-util.h" |
e4de7287 | 37 | #include "tmpfile-util.h" |
b1d4f8e1 | 38 | #include "user-util.h" |
6bedfcbb | 39 | #include "util.h" |
5ce97d33 | 40 | #include "verbs.h" |
5de0409e | 41 | |
501551e8 LP |
42 | #define SHORT_BUS_CALL_TIMEOUT_USEC (3 * USEC_PER_SEC) |
43 | ||
32485d09 | 44 | static usec_t arg_since = USEC_INFINITY, arg_until = USEC_INFINITY; |
e15758cc | 45 | static const char* arg_field = NULL; |
c5896b6a | 46 | static const char *arg_debugger = NULL; |
b73e9a02 | 47 | static const char *arg_directory = NULL; |
0221d68a | 48 | static PagerFlags arg_pager_flags = 0; |
9a340880 | 49 | static int arg_no_legend = false; |
0c51aada | 50 | static int arg_one = false; |
158ecef5 | 51 | static const char* arg_output = NULL; |
df65f77b | 52 | static bool arg_reverse = false; |
b9aaa7f4 | 53 | static bool arg_quiet = false; |
5de0409e | 54 | |
5ab9ed07 | 55 | static int add_match(sd_journal *j, const char *match) { |
7fd1b19b | 56 | _cleanup_free_ char *p = NULL; |
43bfe750 | 57 | const char* prefix, *pattern; |
0f474365 LP |
58 | pid_t pid; |
59 | int r; | |
5de0409e ZJS |
60 | |
61 | if (strchr(match, '=')) | |
62 | prefix = ""; | |
63 | else if (strchr(match, '/')) { | |
0f474365 LP |
64 | r = path_make_absolute_cwd(match, &p); |
65 | if (r < 0) | |
5ab9ed07 ZJS |
66 | return log_error_errno(r, "path_make_absolute_cwd(\"%s\"): %m", match); |
67 | ||
5de0409e ZJS |
68 | match = p; |
69 | prefix = "COREDUMP_EXE="; | |
0f474365 | 70 | } else if (parse_pid(match, &pid) >= 0) |
5de0409e ZJS |
71 | prefix = "COREDUMP_PID="; |
72 | else | |
73 | prefix = "COREDUMP_COMM="; | |
74 | ||
e8fb0238 | 75 | pattern = strjoina(prefix, match); |
5ab9ed07 ZJS |
76 | log_debug("Adding match: %s", pattern); |
77 | r = sd_journal_add_match(j, pattern, 0); | |
78 | if (r < 0) | |
79 | return log_error_errno(r, "Failed to add match \"%s\": %m", match); | |
43bfe750 | 80 | |
5ab9ed07 ZJS |
81 | return 0; |
82 | } | |
83 | ||
5ce97d33 | 84 | static int add_matches(sd_journal *j, char **matches) { |
5ab9ed07 ZJS |
85 | char **match; |
86 | int r; | |
5de0409e | 87 | |
2b044526 | 88 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR, 0); |
0f474365 | 89 | if (r < 0) |
2b044526 | 90 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR); |
5ab9ed07 | 91 | |
a7581ff9 ZJS |
92 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR, 0); |
93 | if (r < 0) | |
94 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR); | |
95 | ||
5ce97d33 | 96 | STRV_FOREACH(match, matches) { |
5ab9ed07 ZJS |
97 | r = add_match(j, *match); |
98 | if (r < 0) | |
99 | return r; | |
100 | } | |
5de0409e ZJS |
101 | |
102 | return 0; | |
5de0409e ZJS |
103 | } |
104 | ||
5ce97d33 YW |
105 | static int acquire_journal(sd_journal **ret, char **matches) { |
106 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
107 | int r; | |
108 | ||
109 | assert(ret); | |
110 | ||
111 | if (arg_directory) { | |
112 | r = sd_journal_open_directory(&j, arg_directory, 0); | |
113 | if (r < 0) | |
114 | return log_error_errno(r, "Failed to open journals in directory: %s: %m", arg_directory); | |
115 | } else { | |
116 | r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); | |
117 | if (r < 0) | |
118 | return log_error_errno(r, "Failed to open journal: %m"); | |
119 | } | |
120 | ||
121 | r = journal_access_check_and_warn(j, arg_quiet, true); | |
122 | if (r < 0) | |
123 | return r; | |
124 | ||
125 | r = add_matches(j, matches); | |
126 | if (r < 0) | |
127 | return r; | |
128 | ||
129 | if (DEBUG_LOGGING) { | |
130 | _cleanup_free_ char *filter; | |
131 | ||
132 | filter = journal_make_match_string(j); | |
133 | log_debug("Journal filter: %s", filter); | |
134 | } | |
135 | ||
1cc6c93a | 136 | *ret = TAKE_PTR(j); |
5ce97d33 YW |
137 | |
138 | return 0; | |
139 | } | |
140 | ||
141 | static int help(void) { | |
37ec0fdd LP |
142 | _cleanup_free_ char *link = NULL; |
143 | int r; | |
144 | ||
145 | r = terminal_urlify_man("coredumpctl", "1", &link); | |
146 | if (r < 0) | |
147 | return log_oom(); | |
148 | ||
601185b4 ZJS |
149 | printf("%s [OPTIONS...]\n\n" |
150 | "List or retrieve coredumps from the journal.\n\n" | |
151 | "Flags:\n" | |
c5896b6a RG |
152 | " -h --help Show this help\n" |
153 | " --version Print version string\n" | |
154 | " --no-pager Do not pipe output into a pager\n" | |
155 | " --no-legend Do not print the column headers\n" | |
156 | " --debugger=DEBUGGER Use the given debugger\n" | |
157 | " -1 Show information about most recent entry only\n" | |
158 | " -S --since=DATE Only print coredumps since the date\n" | |
159 | " -U --until=DATE Only print coredumps until the date\n" | |
160 | " -r --reverse Show the newest entries first\n" | |
161 | " -F --field=FIELD List all values a certain field takes\n" | |
162 | " -o --output=FILE Write output to FILE\n" | |
163 | " -D --directory=DIR Use journal files from directory\n\n" | |
164 | " -q --quiet Do not show info messages and privilege warning\n" | |
601185b4 ZJS |
165 | "Commands:\n" |
166 | " list [MATCHES...] List available coredumps (default)\n" | |
167 | " info [MATCHES...] Show detailed information about one or more coredumps\n" | |
168 | " dump [MATCHES...] Print first matching coredump to stdout\n" | |
c5896b6a | 169 | " debug [MATCHES...] Start a debugger for the first matching coredump\n" |
37ec0fdd LP |
170 | "\nSee the %s for details.\n" |
171 | , program_invocation_short_name | |
172 | , link | |
173 | ); | |
5ce97d33 YW |
174 | |
175 | return 0; | |
601185b4 ZJS |
176 | } |
177 | ||
5ab9ed07 | 178 | static int parse_argv(int argc, char *argv[]) { |
5de0409e ZJS |
179 | enum { |
180 | ARG_VERSION = 0x100, | |
181 | ARG_NO_PAGER, | |
9a340880 | 182 | ARG_NO_LEGEND, |
c5896b6a | 183 | ARG_DEBUGGER, |
5de0409e ZJS |
184 | }; |
185 | ||
32485d09 | 186 | int c, r; |
5de0409e ZJS |
187 | |
188 | static const struct option options[] = { | |
57ce4bd4 ZJS |
189 | { "help", no_argument, NULL, 'h' }, |
190 | { "version" , no_argument, NULL, ARG_VERSION }, | |
191 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
9a340880 | 192 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
c5896b6a | 193 | { "debugger", required_argument, NULL, ARG_DEBUGGER }, |
57ce4bd4 | 194 | { "output", required_argument, NULL, 'o' }, |
4f76ae1b | 195 | { "field", required_argument, NULL, 'F' }, |
b73e9a02 | 196 | { "directory", required_argument, NULL, 'D' }, |
df65f77b | 197 | { "reverse", no_argument, NULL, 'r' }, |
32485d09 GS |
198 | { "since", required_argument, NULL, 'S' }, |
199 | { "until", required_argument, NULL, 'U' }, | |
b9aaa7f4 | 200 | { "quiet", no_argument, NULL, 'q' }, |
eb9da376 | 201 | {} |
5de0409e ZJS |
202 | }; |
203 | ||
204 | assert(argc >= 0); | |
205 | assert(argv); | |
206 | ||
b9aaa7f4 | 207 | while ((c = getopt_long(argc, argv, "ho:F:1D:rS:U:q", options, NULL)) >= 0) |
5de0409e ZJS |
208 | switch(c) { |
209 | case 'h': | |
5ce97d33 | 210 | return help(); |
5de0409e ZJS |
211 | |
212 | case ARG_VERSION: | |
3f6fd1ba | 213 | return version(); |
5de0409e ZJS |
214 | |
215 | case ARG_NO_PAGER: | |
0221d68a | 216 | arg_pager_flags |= PAGER_DISABLE; |
5de0409e ZJS |
217 | break; |
218 | ||
9a340880 ZJS |
219 | case ARG_NO_LEGEND: |
220 | arg_no_legend = true; | |
221 | break; | |
222 | ||
c5896b6a RG |
223 | case ARG_DEBUGGER: |
224 | arg_debugger = optarg; | |
225 | break; | |
226 | ||
5de0409e | 227 | case 'o': |
baaa35ad ZJS |
228 | if (arg_output) |
229 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
230 | "Cannot set output more than once."); | |
5de0409e | 231 | |
158ecef5 | 232 | arg_output = optarg; |
5de0409e | 233 | break; |
57ce4bd4 | 234 | |
32485d09 GS |
235 | case 'S': |
236 | r = parse_timestamp(optarg, &arg_since); | |
237 | if (r < 0) | |
9d77ca39 | 238 | return log_error_errno(r, "Failed to parse timestamp '%s': %m", optarg); |
32485d09 GS |
239 | break; |
240 | ||
241 | case 'U': | |
242 | r = parse_timestamp(optarg, &arg_until); | |
243 | if (r < 0) | |
9d77ca39 | 244 | return log_error_errno(r, "Failed to parse timestamp '%s': %m", optarg); |
32485d09 GS |
245 | break; |
246 | ||
4f76ae1b | 247 | case 'F': |
baaa35ad ZJS |
248 | if (arg_field) |
249 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
250 | "Cannot use --field/-F more than once."); | |
a276ae74 | 251 | arg_field = optarg; |
4f76ae1b ZJS |
252 | break; |
253 | ||
0c51aada LP |
254 | case '1': |
255 | arg_one = true; | |
256 | break; | |
257 | ||
b73e9a02 SW |
258 | case 'D': |
259 | arg_directory = optarg; | |
260 | break; | |
261 | ||
df65f77b NK |
262 | case 'r': |
263 | arg_reverse = true; | |
264 | break; | |
265 | ||
b9aaa7f4 ZJS |
266 | case 'q': |
267 | arg_quiet = true; | |
268 | break; | |
269 | ||
57ce4bd4 ZJS |
270 | case '?': |
271 | return -EINVAL; | |
272 | ||
5de0409e | 273 | default: |
eb9da376 | 274 | assert_not_reached("Unhandled option"); |
5de0409e ZJS |
275 | } |
276 | ||
32485d09 | 277 | if (arg_since != USEC_INFINITY && arg_until != USEC_INFINITY && |
baaa35ad ZJS |
278 | arg_since > arg_until) |
279 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
280 | "--since= must be before --until=."); | |
32485d09 | 281 | |
5ce97d33 | 282 | return 1; |
5de0409e ZJS |
283 | } |
284 | ||
8bc8ab83 LP |
285 | static int retrieve(const void *data, |
286 | size_t len, | |
287 | const char *name, | |
a276ae74 | 288 | char **var) { |
5de0409e | 289 | |
4f76ae1b | 290 | size_t ident; |
a276ae74 | 291 | char *v; |
8bc8ab83 | 292 | |
4f76ae1b | 293 | ident = strlen(name) + 1; /* name + "=" */ |
8bc8ab83 | 294 | |
4f76ae1b | 295 | if (len < ident) |
8bc8ab83 | 296 | return 0; |
5de0409e | 297 | |
4f76ae1b | 298 | if (memcmp(data, name, ident - 1) != 0) |
8bc8ab83 LP |
299 | return 0; |
300 | ||
4f76ae1b | 301 | if (((const char*) data)[ident - 1] != '=') |
8bc8ab83 | 302 | return 0; |
5de0409e | 303 | |
a276ae74 LP |
304 | v = strndup((const char*)data + ident, len - ident); |
305 | if (!v) | |
5de0409e ZJS |
306 | return log_oom(); |
307 | ||
a276ae74 LP |
308 | free(*var); |
309 | *var = v; | |
310 | ||
062b99e8 | 311 | return 1; |
5de0409e ZJS |
312 | } |
313 | ||
062b99e8 | 314 | static int print_field(FILE* file, sd_journal *j) { |
4f76ae1b ZJS |
315 | const void *d; |
316 | size_t l; | |
317 | ||
e15758cc LP |
318 | assert(file); |
319 | assert(j); | |
320 | ||
a276ae74 | 321 | assert(arg_field); |
4f76ae1b | 322 | |
062b99e8 ZJS |
323 | /* A (user-specified) field may appear more than once for a given entry. |
324 | * We will print all of the occurences. | |
325 | * This is different below for fields that systemd-coredump uses, | |
326 | * because they cannot meaningfully appear more than once. | |
327 | */ | |
328 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
329 | _cleanup_free_ char *value = NULL; | |
330 | int r; | |
331 | ||
332 | r = retrieve(d, l, arg_field, &value); | |
333 | if (r < 0) | |
334 | return r; | |
335 | if (r > 0) | |
336 | fprintf(file, "%s\n", value); | |
337 | } | |
a276ae74 | 338 | |
062b99e8 | 339 | return 0; |
4f76ae1b ZJS |
340 | } |
341 | ||
062b99e8 ZJS |
342 | #define RETRIEVE(d, l, name, arg) \ |
343 | { \ | |
344 | int _r = retrieve(d, l, name, &arg); \ | |
345 | if (_r < 0) \ | |
346 | return _r; \ | |
347 | if (_r > 0) \ | |
348 | continue; \ | |
349 | } | |
350 | ||
e15758cc | 351 | static int print_list(FILE* file, sd_journal *j, int had_legend) { |
a276ae74 | 352 | _cleanup_free_ char |
a7581ff9 | 353 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
9fe13294 | 354 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
cc4419ed | 355 | *filename = NULL, *truncated = NULL, *coredump = NULL; |
8bc8ab83 LP |
356 | const void *d; |
357 | size_t l; | |
684341b0 LP |
358 | usec_t t; |
359 | char buf[FORMAT_TIMESTAMP_MAX]; | |
360 | int r; | |
04de5879 | 361 | const char *present; |
a7581ff9 | 362 | bool normal_coredump; |
8bc8ab83 | 363 | |
e15758cc LP |
364 | assert(file); |
365 | assert(j); | |
366 | ||
8bc8ab83 | 367 | SD_JOURNAL_FOREACH_DATA(j, d, l) { |
a7581ff9 | 368 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
369 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
370 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
371 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
372 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
373 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
374 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
375 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
376 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 377 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 | 378 | RETRIEVE(d, l, "COREDUMP", coredump); |
8bc8ab83 | 379 | } |
5de0409e | 380 | |
9fe13294 | 381 | if (!pid && !uid && !gid && !sgnl && !exe && !comm && !cmdline && !filename) { |
684341b0 LP |
382 | log_warning("Empty coredump log entry"); |
383 | return -EINVAL; | |
384 | } | |
385 | ||
386 | r = sd_journal_get_realtime_usec(j, &t); | |
23bbb0de MS |
387 | if (r < 0) |
388 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
5de0409e | 389 | |
684341b0 LP |
390 | format_timestamp(buf, sizeof(buf), t); |
391 | ||
9a340880 | 392 | if (!had_legend && !arg_no_legend) |
cc4419ed | 393 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 394 | FORMAT_TIMESTAMP_WIDTH, "TIME", |
5de0409e ZJS |
395 | 6, "PID", |
396 | 5, "UID", | |
397 | 5, "GID", | |
684341b0 | 398 | 3, "SIG", |
cc4419ed | 399 | 9, "COREFILE", |
684341b0 | 400 | "EXE"); |
5de0409e | 401 | |
a7581ff9 ZJS |
402 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
403 | ||
04de5879 ZJS |
404 | if (filename) |
405 | if (access(filename, R_OK) == 0) | |
406 | present = "present"; | |
407 | else if (errno == ENOENT) | |
408 | present = "missing"; | |
409 | else | |
410 | present = "error"; | |
411 | else if (coredump) | |
412 | present = "journal"; | |
a7581ff9 | 413 | else if (normal_coredump) |
04de5879 | 414 | present = "none"; |
a7581ff9 ZJS |
415 | else |
416 | present = "-"; | |
04de5879 | 417 | |
32a1575f | 418 | if (STR_IN_SET(present, "present", "journal") && truncated && parse_boolean(truncated) > 0) |
cc4419ed ZJS |
419 | present = "truncated"; |
420 | ||
04de5879 | 421 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 422 | FORMAT_TIMESTAMP_WIDTH, buf, |
a276ae74 LP |
423 | 6, strna(pid), |
424 | 5, strna(uid), | |
425 | 5, strna(gid), | |
a7581ff9 | 426 | 3, normal_coredump ? strna(sgnl) : "-", |
cc4419ed | 427 | 9, present, |
a276ae74 | 428 | strna(exe ?: (comm ?: cmdline))); |
684341b0 LP |
429 | |
430 | return 0; | |
5de0409e ZJS |
431 | } |
432 | ||
e15758cc LP |
433 | static int print_info(FILE *file, sd_journal *j, bool need_space) { |
434 | _cleanup_free_ char | |
a7581ff9 | 435 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
e15758cc LP |
436 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
437 | *unit = NULL, *user_unit = NULL, *session = NULL, | |
a035f819 | 438 | *boot_id = NULL, *machine_id = NULL, *hostname = NULL, |
9fe13294 | 439 | *slice = NULL, *cgroup = NULL, *owner_uid = NULL, |
47f50642 | 440 | *message = NULL, *timestamp = NULL, *filename = NULL, |
cc4419ed | 441 | *truncated = NULL, *coredump = NULL; |
e15758cc LP |
442 | const void *d; |
443 | size_t l; | |
a7581ff9 | 444 | bool normal_coredump; |
4b8cbe9a | 445 | int r; |
e15758cc LP |
446 | |
447 | assert(file); | |
448 | assert(j); | |
449 | ||
450 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
a7581ff9 | 451 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
452 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
453 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
454 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
455 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
456 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
457 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
458 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
459 | RETRIEVE(d, l, "COREDUMP_UNIT", unit); | |
460 | RETRIEVE(d, l, "COREDUMP_USER_UNIT", user_unit); | |
461 | RETRIEVE(d, l, "COREDUMP_SESSION", session); | |
462 | RETRIEVE(d, l, "COREDUMP_OWNER_UID", owner_uid); | |
463 | RETRIEVE(d, l, "COREDUMP_SLICE", slice); | |
464 | RETRIEVE(d, l, "COREDUMP_CGROUP", cgroup); | |
465 | RETRIEVE(d, l, "COREDUMP_TIMESTAMP", timestamp); | |
466 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 467 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 ZJS |
468 | RETRIEVE(d, l, "COREDUMP", coredump); |
469 | RETRIEVE(d, l, "_BOOT_ID", boot_id); | |
470 | RETRIEVE(d, l, "_MACHINE_ID", machine_id); | |
471 | RETRIEVE(d, l, "_HOSTNAME", hostname); | |
472 | RETRIEVE(d, l, "MESSAGE", message); | |
e15758cc LP |
473 | } |
474 | ||
475 | if (need_space) | |
476 | fputs("\n", file); | |
477 | ||
a7581ff9 ZJS |
478 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
479 | ||
81cef14f LP |
480 | if (comm) |
481 | fprintf(file, | |
482 | " PID: %s%s%s (%s)\n", | |
1fc464f6 | 483 | ansi_highlight(), strna(pid), ansi_normal(), comm); |
81cef14f LP |
484 | else |
485 | fprintf(file, | |
486 | " PID: %s%s%s\n", | |
1fc464f6 | 487 | ansi_highlight(), strna(pid), ansi_normal()); |
a035f819 LP |
488 | |
489 | if (uid) { | |
490 | uid_t n; | |
491 | ||
492 | if (parse_uid(uid, &n) >= 0) { | |
493 | _cleanup_free_ char *u = NULL; | |
494 | ||
495 | u = uid_to_name(n); | |
496 | fprintf(file, | |
497 | " UID: %s (%s)\n", | |
498 | uid, u); | |
499 | } else { | |
500 | fprintf(file, | |
501 | " UID: %s\n", | |
502 | uid); | |
503 | } | |
504 | } | |
505 | ||
506 | if (gid) { | |
507 | gid_t n; | |
508 | ||
509 | if (parse_gid(gid, &n) >= 0) { | |
510 | _cleanup_free_ char *g = NULL; | |
511 | ||
512 | g = gid_to_name(n); | |
513 | fprintf(file, | |
514 | " GID: %s (%s)\n", | |
515 | gid, g); | |
516 | } else { | |
517 | fprintf(file, | |
518 | " GID: %s\n", | |
519 | gid); | |
520 | } | |
521 | } | |
e15758cc LP |
522 | |
523 | if (sgnl) { | |
524 | int sig; | |
a7581ff9 | 525 | const char *name = normal_coredump ? "Signal" : "Reason"; |
e15758cc | 526 | |
a7581ff9 ZJS |
527 | if (normal_coredump && safe_atoi(sgnl, &sig) >= 0) |
528 | fprintf(file, " %s: %s (%s)\n", name, sgnl, signal_to_string(sig)); | |
e15758cc | 529 | else |
a7581ff9 | 530 | fprintf(file, " %s: %s\n", name, sgnl); |
e15758cc LP |
531 | } |
532 | ||
4b8cbe9a LP |
533 | if (timestamp) { |
534 | usec_t u; | |
535 | ||
536 | r = safe_atou64(timestamp, &u); | |
537 | if (r >= 0) { | |
538 | char absolute[FORMAT_TIMESTAMP_MAX], relative[FORMAT_TIMESPAN_MAX]; | |
539 | ||
540 | fprintf(file, | |
541 | " Timestamp: %s (%s)\n", | |
542 | format_timestamp(absolute, sizeof(absolute), u), | |
543 | format_timestamp_relative(relative, sizeof(relative), u)); | |
544 | ||
545 | } else | |
546 | fprintf(file, " Timestamp: %s\n", timestamp); | |
547 | } | |
548 | ||
e15758cc LP |
549 | if (cmdline) |
550 | fprintf(file, " Command Line: %s\n", cmdline); | |
81cef14f | 551 | if (exe) |
1fc464f6 | 552 | fprintf(file, " Executable: %s%s%s\n", ansi_highlight(), exe, ansi_normal()); |
a035f819 LP |
553 | if (cgroup) |
554 | fprintf(file, " Control Group: %s\n", cgroup); | |
e15758cc LP |
555 | if (unit) |
556 | fprintf(file, " Unit: %s\n", unit); | |
557 | if (user_unit) | |
554ed50f | 558 | fprintf(file, " User Unit: %s\n", user_unit); |
a035f819 LP |
559 | if (slice) |
560 | fprintf(file, " Slice: %s\n", slice); | |
e15758cc LP |
561 | if (session) |
562 | fprintf(file, " Session: %s\n", session); | |
a035f819 LP |
563 | if (owner_uid) { |
564 | uid_t n; | |
565 | ||
566 | if (parse_uid(owner_uid, &n) >= 0) { | |
567 | _cleanup_free_ char *u = NULL; | |
568 | ||
569 | u = uid_to_name(n); | |
570 | fprintf(file, | |
571 | " Owner UID: %s (%s)\n", | |
572 | owner_uid, u); | |
573 | } else { | |
574 | fprintf(file, | |
575 | " Owner UID: %s\n", | |
576 | owner_uid); | |
577 | } | |
578 | } | |
e15758cc LP |
579 | if (boot_id) |
580 | fprintf(file, " Boot ID: %s\n", boot_id); | |
581 | if (machine_id) | |
582 | fprintf(file, " Machine ID: %s\n", machine_id); | |
583 | if (hostname) | |
584 | fprintf(file, " Hostname: %s\n", hostname); | |
585 | ||
cc4419ed | 586 | if (filename) { |
32a1575f LP |
587 | bool inacc, trunc; |
588 | ||
589 | inacc = access(filename, R_OK) < 0; | |
590 | trunc = truncated && parse_boolean(truncated) > 0; | |
cc4419ed ZJS |
591 | |
592 | if (inacc || trunc) | |
593 | fprintf(file, " Storage: %s%s (%s%s%s)%s\n", | |
594 | ansi_highlight_red(), | |
595 | filename, | |
596 | inacc ? "inaccessible" : "", | |
597 | inacc && trunc ? ", " : "", | |
598 | trunc ? "truncated" : "", | |
599 | ansi_normal()); | |
600 | else | |
601 | fprintf(file, " Storage: %s\n", filename); | |
602 | } | |
603 | ||
47f50642 ZJS |
604 | else if (coredump) |
605 | fprintf(file, " Storage: journal\n"); | |
606 | else | |
607 | fprintf(file, " Storage: none\n"); | |
e15758cc | 608 | |
8d4e028f LP |
609 | if (message) { |
610 | _cleanup_free_ char *m = NULL; | |
611 | ||
612 | m = strreplace(message, "\n", "\n "); | |
613 | ||
614 | fprintf(file, " Message: %s\n", strstrip(m ?: message)); | |
615 | } | |
616 | ||
e15758cc LP |
617 | return 0; |
618 | } | |
619 | ||
ada45c78 | 620 | static int focus(sd_journal *j) { |
5de0409e ZJS |
621 | int r; |
622 | ||
5de0409e ZJS |
623 | r = sd_journal_seek_tail(j); |
624 | if (r == 0) | |
625 | r = sd_journal_previous(j); | |
23bbb0de MS |
626 | if (r < 0) |
627 | return log_error_errno(r, "Failed to search journal: %m"); | |
baaa35ad ZJS |
628 | if (r == 0) |
629 | return log_error_errno(SYNTHETIC_ERRNO(ESRCH), | |
630 | "No match found."); | |
ada45c78 LP |
631 | return r; |
632 | } | |
5de0409e | 633 | |
5ce97d33 | 634 | static int print_entry(sd_journal *j, unsigned n_found, bool verb_is_info) { |
0c51aada LP |
635 | assert(j); |
636 | ||
5ce97d33 | 637 | if (verb_is_info) |
062b99e8 | 638 | return print_info(stdout, j, n_found); |
0c51aada | 639 | else if (arg_field) |
062b99e8 | 640 | return print_field(stdout, j); |
0c51aada | 641 | else |
062b99e8 | 642 | return print_list(stdout, j, n_found); |
0c51aada LP |
643 | } |
644 | ||
5ce97d33 YW |
645 | static int dump_list(int argc, char **argv, void *userdata) { |
646 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
0c51aada | 647 | unsigned n_found = 0; |
5ce97d33 | 648 | bool verb_is_info; |
0c51aada LP |
649 | int r; |
650 | ||
5ce97d33 YW |
651 | verb_is_info = (argc >= 1 && streq(argv[0], "info")); |
652 | ||
653 | r = acquire_journal(&j, argv + 1); | |
654 | if (r < 0) | |
655 | return r; | |
656 | ||
0221d68a | 657 | (void) pager_open(arg_pager_flags); |
0c51aada LP |
658 | |
659 | /* The coredumps are likely to compressed, and for just | |
660 | * listing them we don't need to decompress them, so let's | |
661 | * pick a fairly low data threshold here */ | |
662 | sd_journal_set_data_threshold(j, 4096); | |
663 | ||
2fafabfd LY |
664 | /* "info" without pattern implies "-1" */ |
665 | if (arg_one || (verb_is_info && argc == 1)) { | |
0c51aada LP |
666 | r = focus(j); |
667 | if (r < 0) | |
668 | return r; | |
669 | ||
5ce97d33 | 670 | return print_entry(j, 0, verb_is_info); |
0c51aada | 671 | } else { |
32485d09 GS |
672 | if (arg_since != USEC_INFINITY && !arg_reverse) |
673 | r = sd_journal_seek_realtime_usec(j, arg_since); | |
674 | else if (arg_until != USEC_INFINITY && arg_reverse) | |
675 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
676 | else if (arg_reverse) | |
677 | r = sd_journal_seek_tail(j); | |
678 | else | |
679 | r = sd_journal_seek_head(j); | |
680 | if (r < 0) | |
681 | return log_error_errno(r, "Failed to seek to date: %m"); | |
682 | ||
683 | for (;;) { | |
684 | if (!arg_reverse) | |
685 | r = sd_journal_next(j); | |
686 | else | |
687 | r = sd_journal_previous(j); | |
688 | ||
689 | if (r < 0) | |
690 | return log_error_errno(r, "Failed to iterate through journal: %m"); | |
691 | ||
692 | if (r == 0) | |
693 | break; | |
694 | ||
695 | if (arg_until != USEC_INFINITY && !arg_reverse) { | |
696 | usec_t usec; | |
697 | ||
698 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 699 | if (r < 0) |
32485d09 GS |
700 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
701 | if (usec > arg_until) | |
702 | continue; | |
df65f77b | 703 | } |
32485d09 GS |
704 | |
705 | if (arg_since != USEC_INFINITY && arg_reverse) { | |
706 | usec_t usec; | |
707 | ||
708 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 709 | if (r < 0) |
32485d09 GS |
710 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
711 | if (usec < arg_since) | |
712 | continue; | |
df65f77b | 713 | } |
32485d09 | 714 | |
5ce97d33 | 715 | r = print_entry(j, n_found++, verb_is_info); |
32485d09 GS |
716 | if (r < 0) |
717 | return r; | |
062b99e8 | 718 | } |
0c51aada LP |
719 | |
720 | if (!arg_field && n_found <= 0) { | |
b9aaa7f4 ZJS |
721 | if (!arg_quiet) |
722 | log_notice("No coredumps found."); | |
0c51aada LP |
723 | return -ESRCH; |
724 | } | |
725 | } | |
726 | ||
727 | return 0; | |
728 | } | |
729 | ||
bb7c5bad | 730 | static int save_core(sd_journal *j, FILE *file, char **path, bool *unlink_temp) { |
9fe13294 ZJS |
731 | const char *data; |
732 | _cleanup_free_ char *filename = NULL; | |
733 | size_t len; | |
bb7c5bad | 734 | int r, fd; |
fc6cec86 ZJS |
735 | _cleanup_close_ int fdt = -1; |
736 | char *temp = NULL; | |
ada45c78 | 737 | |
bb7c5bad ZJS |
738 | assert(!(file && path)); /* At most one can be specified */ |
739 | assert(!!path == !!unlink_temp); /* Those must be specified together */ | |
47f50642 | 740 | |
fc6cec86 | 741 | /* Look for a coredump on disk first. */ |
9fe13294 | 742 | r = sd_journal_get_data(j, "COREDUMP_FILENAME", (const void**) &data, &len); |
bb7c5bad | 743 | if (r == 0) |
9fe13294 | 744 | retrieve(data, len, "COREDUMP_FILENAME", &filename); |
bb7c5bad ZJS |
745 | else { |
746 | if (r != -ENOENT) | |
747 | return log_error_errno(r, "Failed to retrieve COREDUMP_FILENAME field: %m"); | |
748 | /* Check that we can have a COREDUMP field. We still haven't set a high | |
749 | * data threshold, so we'll get a few kilobytes at most. | |
750 | */ | |
751 | ||
752 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); | |
753 | if (r == -ENOENT) | |
754 | return log_error_errno(r, "Coredump entry has no core attached (neither internally in the journal nor externally on disk)."); | |
755 | if (r < 0) | |
756 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); | |
757 | } | |
93b73b06 | 758 | |
954d3a51 ZJS |
759 | if (filename) { |
760 | if (access(filename, R_OK) < 0) | |
761 | return log_error_errno(errno, "File \"%s\" is not readable: %m", filename); | |
5de0409e | 762 | |
954d3a51 | 763 | if (path && !endswith(filename, ".xz") && !endswith(filename, ".lz4")) { |
ae2a15bc | 764 | *path = TAKE_PTR(filename); |
a276ae74 | 765 | |
954d3a51 ZJS |
766 | return 0; |
767 | } | |
fc6cec86 | 768 | } |
a276ae74 | 769 | |
bb7c5bad | 770 | if (path) { |
fc6cec86 | 771 | const char *vt; |
992e8f22 | 772 | |
fc6cec86 | 773 | /* Create a temporary file to write the uncompressed core to. */ |
992e8f22 | 774 | |
fc6cec86 ZJS |
775 | r = var_tmp_dir(&vt); |
776 | if (r < 0) | |
777 | return log_error_errno(r, "Failed to acquire temporary directory path: %m"); | |
9fe13294 | 778 | |
605405c6 | 779 | temp = strjoin(vt, "/coredump-XXXXXX"); |
fc6cec86 ZJS |
780 | if (!temp) |
781 | return log_oom(); | |
9fe13294 | 782 | |
fc6cec86 ZJS |
783 | fdt = mkostemp_safe(temp); |
784 | if (fdt < 0) | |
785 | return log_error_errno(fdt, "Failed to create temporary file: %m"); | |
786 | log_debug("Created temporary file %s", temp); | |
9fe13294 | 787 | |
fc6cec86 | 788 | fd = fdt; |
bb7c5bad ZJS |
789 | } else { |
790 | /* If neither path or file are specified, we will write to stdout. Let's now check | |
791 | * if stdout is connected to a tty. We checked that the file exists, or that the | |
792 | * core might be stored in the journal. In this second case, if we found the entry, | |
793 | * in all likelyhood we will be able to access the COREDUMP= field. In either case, | |
794 | * we stop before doing any "real" work, i.e. before starting decompression or | |
795 | * reading from the file or creating temporary files. | |
796 | */ | |
797 | if (!file) { | |
798 | if (on_tty()) | |
886cf317 ZJS |
799 | return log_error_errno(SYNTHETIC_ERRNO(ENOTTY), |
800 | "Refusing to dump core to tty" | |
bb7c5bad ZJS |
801 | " (use shell redirection or specify --output)."); |
802 | file = stdout; | |
803 | } | |
804 | ||
805 | fd = fileno(file); | |
fc6cec86 ZJS |
806 | } |
807 | ||
808 | if (filename) { | |
349cc4a5 | 809 | #if HAVE_XZ || HAVE_LZ4 |
fc6cec86 | 810 | _cleanup_close_ int fdf; |
9fe13294 | 811 | |
fc6cec86 ZJS |
812 | fdf = open(filename, O_RDONLY | O_CLOEXEC); |
813 | if (fdf < 0) { | |
814 | r = log_error_errno(errno, "Failed to open %s: %m", filename); | |
2fb8159f | 815 | goto error; |
fc6cec86 ZJS |
816 | } |
817 | ||
818 | r = decompress_stream(filename, fdf, fd, -1); | |
819 | if (r < 0) { | |
820 | log_error_errno(r, "Failed to decompress %s: %m", filename); | |
9fe13294 ZJS |
821 | goto error; |
822 | } | |
fc6cec86 ZJS |
823 | #else |
824 | log_error("Cannot decompress file. Compiled without compression support."); | |
825 | r = -EOPNOTSUPP; | |
826 | goto error; | |
827 | #endif | |
828 | } else { | |
829 | ssize_t sz; | |
a276ae74 | 830 | |
bb7c5bad ZJS |
831 | /* We want full data, nothing truncated. */ |
832 | sd_journal_set_data_threshold(j, 0); | |
833 | ||
fc6cec86 ZJS |
834 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); |
835 | if (r < 0) | |
bb7c5bad | 836 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); |
fc6cec86 ZJS |
837 | |
838 | assert(len >= 9); | |
839 | data += 9; | |
840 | len -= 9; | |
841 | ||
954d3a51 | 842 | sz = write(fd, data, len); |
fc6cec86 | 843 | if (sz < 0) { |
954d3a51 | 844 | r = log_error_errno(errno, "Failed to write output: %m"); |
fc6cec86 | 845 | goto error; |
a276ae74 | 846 | } |
fc6cec86 | 847 | if (sz != (ssize_t) len) { |
954d3a51 | 848 | log_error("Short write to output."); |
fc6cec86 ZJS |
849 | r = -EIO; |
850 | goto error; | |
851 | } | |
852 | } | |
a276ae74 | 853 | |
fc6cec86 ZJS |
854 | if (temp) { |
855 | *path = temp; | |
856 | *unlink_temp = true; | |
857 | } | |
858 | return 0; | |
9fe13294 ZJS |
859 | |
860 | error: | |
fc6cec86 | 861 | if (temp) { |
6990fb6b | 862 | (void) unlink(temp); |
fc6cec86 | 863 | log_debug("Removed temporary file %s", temp); |
9fe13294 | 864 | } |
fc6cec86 | 865 | return r; |
9fe13294 | 866 | } |
a276ae74 | 867 | |
5ce97d33 YW |
868 | static int dump_core(int argc, char **argv, void *userdata) { |
869 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
158ecef5 | 870 | _cleanup_fclose_ FILE *f = NULL; |
9fe13294 ZJS |
871 | int r; |
872 | ||
5ce97d33 YW |
873 | if (arg_field) { |
874 | log_error("Option --field/-F only makes sense with list"); | |
875 | return -EINVAL; | |
876 | } | |
877 | ||
878 | r = acquire_journal(&j, argv + 1); | |
879 | if (r < 0) | |
880 | return r; | |
9fe13294 ZJS |
881 | |
882 | r = focus(j); | |
883 | if (r < 0) | |
ada45c78 | 884 | return r; |
ada45c78 | 885 | |
158ecef5 ZJS |
886 | if (arg_output) { |
887 | f = fopen(arg_output, "we"); | |
888 | if (!f) | |
889 | return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", arg_output); | |
890 | } | |
891 | ||
892 | print_info(f ? stdout : stderr, j, false); | |
9fe13294 | 893 | |
158ecef5 | 894 | r = save_core(j, f, NULL, NULL); |
23bbb0de | 895 | if (r < 0) |
bb7c5bad | 896 | return r; |
5de0409e ZJS |
897 | |
898 | r = sd_journal_previous(j); | |
b9aaa7f4 ZJS |
899 | if (r > 0 && !arg_quiet) |
900 | log_notice("More than one entry matches, ignoring rest."); | |
5de0409e ZJS |
901 | |
902 | return 0; | |
903 | } | |
904 | ||
c5896b6a | 905 | static int run_debug(int argc, char **argv, void *userdata) { |
5ce97d33 | 906 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
de8f6e54 | 907 | _cleanup_free_ char *exe = NULL, *path = NULL; |
9fe13294 | 908 | bool unlink_path = false; |
c5896b6a | 909 | const char *data, *fork_name; |
ada45c78 | 910 | size_t len; |
ada45c78 | 911 | pid_t pid; |
ada45c78 | 912 | int r; |
ada45c78 | 913 | |
c5896b6a RG |
914 | if (!arg_debugger) { |
915 | char *env_debugger; | |
916 | ||
917 | env_debugger = getenv("SYSTEMD_DEBUGGER"); | |
918 | if (env_debugger) | |
919 | arg_debugger = env_debugger; | |
920 | else | |
921 | arg_debugger = "gdb"; | |
922 | } | |
923 | ||
5ce97d33 YW |
924 | if (arg_field) { |
925 | log_error("Option --field/-F only makes sense with list"); | |
926 | return -EINVAL; | |
927 | } | |
928 | ||
929 | r = acquire_journal(&j, argv + 1); | |
930 | if (r < 0) | |
931 | return r; | |
ada45c78 LP |
932 | |
933 | r = focus(j); | |
934 | if (r < 0) | |
935 | return r; | |
936 | ||
e15758cc LP |
937 | print_info(stdout, j, false); |
938 | fputs("\n", stdout); | |
ada45c78 LP |
939 | |
940 | r = sd_journal_get_data(j, "COREDUMP_EXE", (const void**) &data, &len); | |
23bbb0de MS |
941 | if (r < 0) |
942 | return log_error_errno(r, "Failed to retrieve COREDUMP_EXE field: %m"); | |
ada45c78 | 943 | |
fbd0b64f LP |
944 | assert(len > STRLEN("COREDUMP_EXE=")); |
945 | data += STRLEN("COREDUMP_EXE="); | |
946 | len -= STRLEN("COREDUMP_EXE="); | |
ada45c78 LP |
947 | |
948 | exe = strndup(data, len); | |
949 | if (!exe) | |
950 | return log_oom(); | |
951 | ||
952 | if (endswith(exe, " (deleted)")) { | |
953 | log_error("Binary already deleted."); | |
954 | return -ENOENT; | |
955 | } | |
956 | ||
a276ae74 LP |
957 | if (!path_is_absolute(exe)) { |
958 | log_error("Binary is not an absolute path."); | |
959 | return -ENOENT; | |
960 | } | |
961 | ||
bb7c5bad | 962 | r = save_core(j, NULL, &path, &unlink_path); |
23bbb0de | 963 | if (r < 0) |
bb7c5bad | 964 | return r; |
ada45c78 | 965 | |
3e7bc89b FB |
966 | /* Don't interfere with gdb and its handling of SIGINT. */ |
967 | (void) ignore_signals(SIGINT, -1); | |
968 | ||
c5896b6a RG |
969 | fork_name = strjoina("(", arg_debugger, ")"); |
970 | ||
0672e2c6 | 971 | r = safe_fork(fork_name, FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_CLOSE_ALL_FDS|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid); |
b6e1fff1 | 972 | if (r < 0) |
ada45c78 | 973 | goto finish; |
4c253ed1 | 974 | if (r == 0) { |
c5896b6a | 975 | execlp(arg_debugger, arg_debugger, exe, "-c", path, NULL); |
0b1f3c76 | 976 | log_open(); |
c5896b6a | 977 | log_error_errno(errno, "Failed to invoke %s: %m", arg_debugger); |
a45d7127 | 978 | _exit(EXIT_FAILURE); |
ada45c78 LP |
979 | } |
980 | ||
c5896b6a | 981 | r = wait_for_terminate_and_check(arg_debugger, pid, WAIT_LOG_ABNORMAL); |
ada45c78 LP |
982 | |
983 | finish: | |
3e7bc89b FB |
984 | (void) default_signals(SIGINT, -1); |
985 | ||
9fe13294 ZJS |
986 | if (unlink_path) { |
987 | log_debug("Removed temporary file %s", path); | |
6990fb6b | 988 | (void) unlink(path); |
9fe13294 | 989 | } |
a276ae74 | 990 | |
ada45c78 LP |
991 | return r; |
992 | } | |
993 | ||
012f2b7d | 994 | static int check_units_active(void) { |
7add4883 | 995 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
012f2b7d ZJS |
996 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
997 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
998 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
999 | int c = 0, r; | |
7bbf2d84 | 1000 | const char *id, *state, *substate; |
012f2b7d | 1001 | |
b9aaa7f4 ZJS |
1002 | if (arg_quiet) |
1003 | return false; | |
1004 | ||
012f2b7d ZJS |
1005 | r = sd_bus_default_system(&bus); |
1006 | if (r < 0) | |
1007 | return log_error_errno(r, "Failed to acquire bus: %m"); | |
1008 | ||
1009 | r = sd_bus_message_new_method_call( | |
1010 | bus, | |
1011 | &m, | |
1012 | "org.freedesktop.systemd1", | |
1013 | "/org/freedesktop/systemd1", | |
1014 | "org.freedesktop.systemd1.Manager", | |
1015 | "ListUnitsByPatterns"); | |
1016 | if (r < 0) | |
1017 | return bus_log_create_error(r); | |
1018 | ||
1019 | r = sd_bus_message_append_strv(m, NULL); | |
1020 | if (r < 0) | |
1021 | return bus_log_create_error(r); | |
1022 | ||
1023 | r = sd_bus_message_append_strv(m, STRV_MAKE("systemd-coredump@*.service")); | |
1024 | if (r < 0) | |
1025 | return bus_log_create_error(r); | |
1026 | ||
501551e8 | 1027 | r = sd_bus_call(bus, m, SHORT_BUS_CALL_TIMEOUT_USEC, &error, &reply); |
012f2b7d ZJS |
1028 | if (r < 0) |
1029 | return log_error_errno(r, "Failed to check if any systemd-coredump@.service units are running: %s", | |
1030 | bus_error_message(&error, r)); | |
1031 | ||
1032 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
1033 | if (r < 0) | |
1034 | return bus_log_parse_error(r); | |
1035 | ||
1036 | while ((r = sd_bus_message_read( | |
1037 | reply, "(ssssssouso)", | |
7bbf2d84 ZJS |
1038 | &id, NULL, NULL, &state, &substate, |
1039 | NULL, NULL, NULL, NULL, NULL)) > 0) { | |
eb5877a0 | 1040 | bool found = !STR_IN_SET(state, "inactive", "dead", "failed"); |
7bbf2d84 ZJS |
1041 | log_debug("Unit %s is %s/%s, %scounting it.", id, state, substate, found ? "" : "not "); |
1042 | c += found; | |
1043 | } | |
012f2b7d ZJS |
1044 | if (r < 0) |
1045 | return bus_log_parse_error(r); | |
1046 | ||
1047 | r = sd_bus_message_exit_container(reply); | |
1048 | if (r < 0) | |
1049 | return bus_log_parse_error(r); | |
1050 | ||
1051 | return c; | |
1052 | } | |
1053 | ||
5ce97d33 YW |
1054 | static int coredumpctl_main(int argc, char *argv[]) { |
1055 | ||
1056 | static const Verb verbs[] = { | |
c5896b6a RG |
1057 | { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT, dump_list }, |
1058 | { "info", VERB_ANY, VERB_ANY, 0, dump_list }, | |
1059 | { "dump", VERB_ANY, VERB_ANY, 0, dump_core }, | |
1060 | { "debug", VERB_ANY, VERB_ANY, 0, run_debug }, | |
1061 | { "gdb", VERB_ANY, VERB_ANY, 0, run_debug }, | |
5ce97d33 YW |
1062 | {} |
1063 | }; | |
1064 | ||
1065 | return dispatch_verb(argc, argv, verbs, NULL); | |
1066 | } | |
1067 | ||
c118b577 | 1068 | static int run(int argc, char *argv[]) { |
5ce97d33 | 1069 | int r, units_active; |
5de0409e | 1070 | |
a9cdc94f | 1071 | setlocale(LC_ALL, ""); |
1a043959 | 1072 | log_show_color(true); |
5de0409e ZJS |
1073 | log_parse_environment(); |
1074 | log_open(); | |
1075 | ||
1abaf488 LP |
1076 | /* The journal merging logic potentially needs a lot of fds. */ |
1077 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
1078 | ||
5ab9ed07 | 1079 | r = parse_argv(argc, argv); |
5ce97d33 | 1080 | if (r <= 0) |
c118b577 | 1081 | return r; |
5de0409e | 1082 | |
2cf4172a LP |
1083 | sigbus_install(); |
1084 | ||
012f2b7d ZJS |
1085 | units_active = check_units_active(); /* error is treated the same as 0 */ |
1086 | ||
5ce97d33 | 1087 | r = coredumpctl_main(argc, argv); |
5de0409e | 1088 | |
012f2b7d ZJS |
1089 | if (units_active > 0) |
1090 | printf("%s-- Notice: %d systemd-coredump@.service %s, output may be incomplete.%s\n", | |
1091 | ansi_highlight_red(), | |
1092 | units_active, units_active == 1 ? "unit is running" : "units are running", | |
1093 | ansi_normal()); | |
c118b577 | 1094 | return r; |
5de0409e | 1095 | } |
c118b577 ZJS |
1096 | |
1097 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |