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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" |
0d39fa9c | 20 | #include "fileio.h" |
992e8f22 | 21 | #include "fs-util.h" |
3f6fd1ba | 22 | #include "journal-internal.h" |
b9aaa7f4 | 23 | #include "journal-util.h" |
5de0409e | 24 | #include "log.h" |
763c7aa2 | 25 | #include "macro.h" |
3f6fd1ba | 26 | #include "pager.h" |
6bedfcbb | 27 | #include "parse-util.h" |
3f6fd1ba | 28 | #include "path-util.h" |
0b452006 | 29 | #include "process-util.h" |
1abaf488 | 30 | #include "rlimit-util.h" |
3f6fd1ba | 31 | #include "sigbus.h" |
24882e06 | 32 | #include "signal-util.h" |
07630cea | 33 | #include "string-util.h" |
5ab9ed07 | 34 | #include "strv.h" |
3f6fd1ba | 35 | #include "terminal-util.h" |
b1d4f8e1 | 36 | #include "user-util.h" |
6bedfcbb | 37 | #include "util.h" |
5ce97d33 | 38 | #include "verbs.h" |
5de0409e | 39 | |
501551e8 LP |
40 | #define SHORT_BUS_CALL_TIMEOUT_USEC (3 * USEC_PER_SEC) |
41 | ||
32485d09 | 42 | static usec_t arg_since = USEC_INFINITY, arg_until = USEC_INFINITY; |
e15758cc | 43 | static const char* arg_field = NULL; |
c5896b6a | 44 | static const char *arg_debugger = NULL; |
b73e9a02 | 45 | static const char *arg_directory = NULL; |
ea4b98e6 | 46 | static bool arg_no_pager = false; |
9a340880 | 47 | static int arg_no_legend = false; |
0c51aada | 48 | static int arg_one = false; |
3774cf57 | 49 | static FILE* arg_output = NULL; |
df65f77b | 50 | static bool arg_reverse = false; |
b9aaa7f4 | 51 | static bool arg_quiet = false; |
5de0409e | 52 | |
5ab9ed07 | 53 | static int add_match(sd_journal *j, const char *match) { |
7fd1b19b | 54 | _cleanup_free_ char *p = NULL; |
43bfe750 | 55 | const char* prefix, *pattern; |
0f474365 LP |
56 | pid_t pid; |
57 | int r; | |
5de0409e ZJS |
58 | |
59 | if (strchr(match, '=')) | |
60 | prefix = ""; | |
61 | else if (strchr(match, '/')) { | |
0f474365 LP |
62 | r = path_make_absolute_cwd(match, &p); |
63 | if (r < 0) | |
5ab9ed07 ZJS |
64 | return log_error_errno(r, "path_make_absolute_cwd(\"%s\"): %m", match); |
65 | ||
5de0409e ZJS |
66 | match = p; |
67 | prefix = "COREDUMP_EXE="; | |
0f474365 | 68 | } else if (parse_pid(match, &pid) >= 0) |
5de0409e ZJS |
69 | prefix = "COREDUMP_PID="; |
70 | else | |
71 | prefix = "COREDUMP_COMM="; | |
72 | ||
e8fb0238 | 73 | pattern = strjoina(prefix, match); |
5ab9ed07 ZJS |
74 | log_debug("Adding match: %s", pattern); |
75 | r = sd_journal_add_match(j, pattern, 0); | |
76 | if (r < 0) | |
77 | return log_error_errno(r, "Failed to add match \"%s\": %m", match); | |
43bfe750 | 78 | |
5ab9ed07 ZJS |
79 | return 0; |
80 | } | |
81 | ||
5ce97d33 | 82 | static int add_matches(sd_journal *j, char **matches) { |
5ab9ed07 ZJS |
83 | char **match; |
84 | int r; | |
5de0409e | 85 | |
2b044526 | 86 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR, 0); |
0f474365 | 87 | if (r < 0) |
2b044526 | 88 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR); |
5ab9ed07 | 89 | |
a7581ff9 ZJS |
90 | r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR, 0); |
91 | if (r < 0) | |
92 | return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR); | |
93 | ||
5ce97d33 | 94 | STRV_FOREACH(match, matches) { |
5ab9ed07 ZJS |
95 | r = add_match(j, *match); |
96 | if (r < 0) | |
97 | return r; | |
98 | } | |
5de0409e ZJS |
99 | |
100 | return 0; | |
5de0409e ZJS |
101 | } |
102 | ||
5ce97d33 YW |
103 | static int acquire_journal(sd_journal **ret, char **matches) { |
104 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
105 | int r; | |
106 | ||
107 | assert(ret); | |
108 | ||
109 | if (arg_directory) { | |
110 | r = sd_journal_open_directory(&j, arg_directory, 0); | |
111 | if (r < 0) | |
112 | return log_error_errno(r, "Failed to open journals in directory: %s: %m", arg_directory); | |
113 | } else { | |
114 | r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); | |
115 | if (r < 0) | |
116 | return log_error_errno(r, "Failed to open journal: %m"); | |
117 | } | |
118 | ||
119 | r = journal_access_check_and_warn(j, arg_quiet, true); | |
120 | if (r < 0) | |
121 | return r; | |
122 | ||
123 | r = add_matches(j, matches); | |
124 | if (r < 0) | |
125 | return r; | |
126 | ||
127 | if (DEBUG_LOGGING) { | |
128 | _cleanup_free_ char *filter; | |
129 | ||
130 | filter = journal_make_match_string(j); | |
131 | log_debug("Journal filter: %s", filter); | |
132 | } | |
133 | ||
1cc6c93a | 134 | *ret = TAKE_PTR(j); |
5ce97d33 YW |
135 | |
136 | return 0; | |
137 | } | |
138 | ||
139 | static int help(void) { | |
37ec0fdd LP |
140 | _cleanup_free_ char *link = NULL; |
141 | int r; | |
142 | ||
143 | r = terminal_urlify_man("coredumpctl", "1", &link); | |
144 | if (r < 0) | |
145 | return log_oom(); | |
146 | ||
601185b4 ZJS |
147 | printf("%s [OPTIONS...]\n\n" |
148 | "List or retrieve coredumps from the journal.\n\n" | |
149 | "Flags:\n" | |
c5896b6a RG |
150 | " -h --help Show this help\n" |
151 | " --version Print version string\n" | |
152 | " --no-pager Do not pipe output into a pager\n" | |
153 | " --no-legend Do not print the column headers\n" | |
154 | " --debugger=DEBUGGER Use the given debugger\n" | |
155 | " -1 Show information about most recent entry only\n" | |
156 | " -S --since=DATE Only print coredumps since the date\n" | |
157 | " -U --until=DATE Only print coredumps until the date\n" | |
158 | " -r --reverse Show the newest entries first\n" | |
159 | " -F --field=FIELD List all values a certain field takes\n" | |
160 | " -o --output=FILE Write output to FILE\n" | |
161 | " -D --directory=DIR Use journal files from directory\n\n" | |
162 | " -q --quiet Do not show info messages and privilege warning\n" | |
601185b4 ZJS |
163 | "Commands:\n" |
164 | " list [MATCHES...] List available coredumps (default)\n" | |
165 | " info [MATCHES...] Show detailed information about one or more coredumps\n" | |
166 | " dump [MATCHES...] Print first matching coredump to stdout\n" | |
c5896b6a | 167 | " debug [MATCHES...] Start a debugger for the first matching coredump\n" |
37ec0fdd LP |
168 | "\nSee the %s for details.\n" |
169 | , program_invocation_short_name | |
170 | , link | |
171 | ); | |
5ce97d33 YW |
172 | |
173 | return 0; | |
601185b4 ZJS |
174 | } |
175 | ||
5ab9ed07 | 176 | static int parse_argv(int argc, char *argv[]) { |
5de0409e ZJS |
177 | enum { |
178 | ARG_VERSION = 0x100, | |
179 | ARG_NO_PAGER, | |
9a340880 | 180 | ARG_NO_LEGEND, |
c5896b6a | 181 | ARG_DEBUGGER, |
5de0409e ZJS |
182 | }; |
183 | ||
32485d09 | 184 | int c, r; |
5de0409e ZJS |
185 | |
186 | static const struct option options[] = { | |
57ce4bd4 ZJS |
187 | { "help", no_argument, NULL, 'h' }, |
188 | { "version" , no_argument, NULL, ARG_VERSION }, | |
189 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
9a340880 | 190 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
c5896b6a | 191 | { "debugger", required_argument, NULL, ARG_DEBUGGER }, |
57ce4bd4 | 192 | { "output", required_argument, NULL, 'o' }, |
4f76ae1b | 193 | { "field", required_argument, NULL, 'F' }, |
b73e9a02 | 194 | { "directory", required_argument, NULL, 'D' }, |
df65f77b | 195 | { "reverse", no_argument, NULL, 'r' }, |
32485d09 GS |
196 | { "since", required_argument, NULL, 'S' }, |
197 | { "until", required_argument, NULL, 'U' }, | |
b9aaa7f4 | 198 | { "quiet", no_argument, NULL, 'q' }, |
eb9da376 | 199 | {} |
5de0409e ZJS |
200 | }; |
201 | ||
202 | assert(argc >= 0); | |
203 | assert(argv); | |
204 | ||
b9aaa7f4 | 205 | while ((c = getopt_long(argc, argv, "ho:F:1D:rS:U:q", options, NULL)) >= 0) |
5de0409e ZJS |
206 | switch(c) { |
207 | case 'h': | |
5ce97d33 | 208 | return help(); |
5de0409e ZJS |
209 | |
210 | case ARG_VERSION: | |
3f6fd1ba | 211 | return version(); |
5de0409e ZJS |
212 | |
213 | case ARG_NO_PAGER: | |
214 | arg_no_pager = true; | |
215 | break; | |
216 | ||
9a340880 ZJS |
217 | case ARG_NO_LEGEND: |
218 | arg_no_legend = true; | |
219 | break; | |
220 | ||
c5896b6a RG |
221 | case ARG_DEBUGGER: |
222 | arg_debugger = optarg; | |
223 | break; | |
224 | ||
5de0409e | 225 | case 'o': |
3774cf57 | 226 | if (arg_output) { |
abdf29f5 | 227 | log_error("Cannot set output more than once."); |
5de0409e ZJS |
228 | return -EINVAL; |
229 | } | |
230 | ||
3774cf57 LP |
231 | arg_output = fopen(optarg, "we"); |
232 | if (!arg_output) | |
4a62c710 | 233 | return log_error_errno(errno, "writing to '%s': %m", optarg); |
5de0409e ZJS |
234 | |
235 | break; | |
57ce4bd4 | 236 | |
32485d09 GS |
237 | case 'S': |
238 | r = parse_timestamp(optarg, &arg_since); | |
239 | if (r < 0) | |
240 | return log_error_errno(r, "Failed to parse timestamp: %s", optarg); | |
241 | break; | |
242 | ||
243 | case 'U': | |
244 | r = parse_timestamp(optarg, &arg_until); | |
245 | if (r < 0) | |
246 | return log_error_errno(r, "Failed to parse timestamp: %s", optarg); | |
247 | break; | |
248 | ||
4f76ae1b | 249 | case 'F': |
a276ae74 | 250 | if (arg_field) { |
abdf29f5 | 251 | log_error("Cannot use --field/-F more than once."); |
4f76ae1b ZJS |
252 | return -EINVAL; |
253 | } | |
a276ae74 | 254 | arg_field = optarg; |
4f76ae1b ZJS |
255 | break; |
256 | ||
0c51aada LP |
257 | case '1': |
258 | arg_one = true; | |
259 | break; | |
260 | ||
b73e9a02 SW |
261 | case 'D': |
262 | arg_directory = optarg; | |
263 | break; | |
264 | ||
df65f77b NK |
265 | case 'r': |
266 | arg_reverse = true; | |
267 | break; | |
268 | ||
b9aaa7f4 ZJS |
269 | case 'q': |
270 | arg_quiet = true; | |
271 | break; | |
272 | ||
57ce4bd4 ZJS |
273 | case '?': |
274 | return -EINVAL; | |
275 | ||
5de0409e | 276 | default: |
eb9da376 | 277 | assert_not_reached("Unhandled option"); |
5de0409e ZJS |
278 | } |
279 | ||
32485d09 GS |
280 | if (arg_since != USEC_INFINITY && arg_until != USEC_INFINITY && |
281 | arg_since > arg_until) { | |
282 | log_error("--since= must be before --until=."); | |
283 | return -EINVAL; | |
284 | } | |
285 | ||
5ce97d33 | 286 | return 1; |
5de0409e ZJS |
287 | } |
288 | ||
8bc8ab83 LP |
289 | static int retrieve(const void *data, |
290 | size_t len, | |
291 | const char *name, | |
a276ae74 | 292 | char **var) { |
5de0409e | 293 | |
4f76ae1b | 294 | size_t ident; |
a276ae74 | 295 | char *v; |
8bc8ab83 | 296 | |
4f76ae1b | 297 | ident = strlen(name) + 1; /* name + "=" */ |
8bc8ab83 | 298 | |
4f76ae1b | 299 | if (len < ident) |
8bc8ab83 | 300 | return 0; |
5de0409e | 301 | |
4f76ae1b | 302 | if (memcmp(data, name, ident - 1) != 0) |
8bc8ab83 LP |
303 | return 0; |
304 | ||
4f76ae1b | 305 | if (((const char*) data)[ident - 1] != '=') |
8bc8ab83 | 306 | return 0; |
5de0409e | 307 | |
a276ae74 LP |
308 | v = strndup((const char*)data + ident, len - ident); |
309 | if (!v) | |
5de0409e ZJS |
310 | return log_oom(); |
311 | ||
a276ae74 LP |
312 | free(*var); |
313 | *var = v; | |
314 | ||
062b99e8 | 315 | return 1; |
5de0409e ZJS |
316 | } |
317 | ||
062b99e8 | 318 | static int print_field(FILE* file, sd_journal *j) { |
4f76ae1b ZJS |
319 | const void *d; |
320 | size_t l; | |
321 | ||
e15758cc LP |
322 | assert(file); |
323 | assert(j); | |
324 | ||
a276ae74 | 325 | assert(arg_field); |
4f76ae1b | 326 | |
062b99e8 ZJS |
327 | /* A (user-specified) field may appear more than once for a given entry. |
328 | * We will print all of the occurences. | |
329 | * This is different below for fields that systemd-coredump uses, | |
330 | * because they cannot meaningfully appear more than once. | |
331 | */ | |
332 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
333 | _cleanup_free_ char *value = NULL; | |
334 | int r; | |
335 | ||
336 | r = retrieve(d, l, arg_field, &value); | |
337 | if (r < 0) | |
338 | return r; | |
339 | if (r > 0) | |
340 | fprintf(file, "%s\n", value); | |
341 | } | |
a276ae74 | 342 | |
062b99e8 | 343 | return 0; |
4f76ae1b ZJS |
344 | } |
345 | ||
062b99e8 ZJS |
346 | #define RETRIEVE(d, l, name, arg) \ |
347 | { \ | |
348 | int _r = retrieve(d, l, name, &arg); \ | |
349 | if (_r < 0) \ | |
350 | return _r; \ | |
351 | if (_r > 0) \ | |
352 | continue; \ | |
353 | } | |
354 | ||
e15758cc | 355 | static int print_list(FILE* file, sd_journal *j, int had_legend) { |
a276ae74 | 356 | _cleanup_free_ char |
a7581ff9 | 357 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
9fe13294 | 358 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
cc4419ed | 359 | *filename = NULL, *truncated = NULL, *coredump = NULL; |
8bc8ab83 LP |
360 | const void *d; |
361 | size_t l; | |
684341b0 LP |
362 | usec_t t; |
363 | char buf[FORMAT_TIMESTAMP_MAX]; | |
364 | int r; | |
04de5879 | 365 | const char *present; |
a7581ff9 | 366 | bool normal_coredump; |
8bc8ab83 | 367 | |
e15758cc LP |
368 | assert(file); |
369 | assert(j); | |
370 | ||
8bc8ab83 | 371 | SD_JOURNAL_FOREACH_DATA(j, d, l) { |
a7581ff9 | 372 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
373 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
374 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
375 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
376 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
377 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
378 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
379 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
380 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 381 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 | 382 | RETRIEVE(d, l, "COREDUMP", coredump); |
8bc8ab83 | 383 | } |
5de0409e | 384 | |
9fe13294 | 385 | if (!pid && !uid && !gid && !sgnl && !exe && !comm && !cmdline && !filename) { |
684341b0 LP |
386 | log_warning("Empty coredump log entry"); |
387 | return -EINVAL; | |
388 | } | |
389 | ||
390 | r = sd_journal_get_realtime_usec(j, &t); | |
23bbb0de MS |
391 | if (r < 0) |
392 | return log_error_errno(r, "Failed to get realtime timestamp: %m"); | |
5de0409e | 393 | |
684341b0 LP |
394 | format_timestamp(buf, sizeof(buf), t); |
395 | ||
9a340880 | 396 | if (!had_legend && !arg_no_legend) |
cc4419ed | 397 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 398 | FORMAT_TIMESTAMP_WIDTH, "TIME", |
5de0409e ZJS |
399 | 6, "PID", |
400 | 5, "UID", | |
401 | 5, "GID", | |
684341b0 | 402 | 3, "SIG", |
cc4419ed | 403 | 9, "COREFILE", |
684341b0 | 404 | "EXE"); |
5de0409e | 405 | |
a7581ff9 ZJS |
406 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
407 | ||
04de5879 ZJS |
408 | if (filename) |
409 | if (access(filename, R_OK) == 0) | |
410 | present = "present"; | |
411 | else if (errno == ENOENT) | |
412 | present = "missing"; | |
413 | else | |
414 | present = "error"; | |
415 | else if (coredump) | |
416 | present = "journal"; | |
a7581ff9 | 417 | else if (normal_coredump) |
04de5879 | 418 | present = "none"; |
a7581ff9 ZJS |
419 | else |
420 | present = "-"; | |
04de5879 | 421 | |
32a1575f | 422 | if (STR_IN_SET(present, "present", "journal") && truncated && parse_boolean(truncated) > 0) |
cc4419ed ZJS |
423 | present = "truncated"; |
424 | ||
04de5879 | 425 | fprintf(file, "%-*s %*s %*s %*s %*s %-*s %s\n", |
c3f84106 | 426 | FORMAT_TIMESTAMP_WIDTH, buf, |
a276ae74 LP |
427 | 6, strna(pid), |
428 | 5, strna(uid), | |
429 | 5, strna(gid), | |
a7581ff9 | 430 | 3, normal_coredump ? strna(sgnl) : "-", |
cc4419ed | 431 | 9, present, |
a276ae74 | 432 | strna(exe ?: (comm ?: cmdline))); |
684341b0 LP |
433 | |
434 | return 0; | |
5de0409e ZJS |
435 | } |
436 | ||
e15758cc LP |
437 | static int print_info(FILE *file, sd_journal *j, bool need_space) { |
438 | _cleanup_free_ char | |
a7581ff9 | 439 | *mid = NULL, *pid = NULL, *uid = NULL, *gid = NULL, |
e15758cc LP |
440 | *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL, |
441 | *unit = NULL, *user_unit = NULL, *session = NULL, | |
a035f819 | 442 | *boot_id = NULL, *machine_id = NULL, *hostname = NULL, |
9fe13294 | 443 | *slice = NULL, *cgroup = NULL, *owner_uid = NULL, |
47f50642 | 444 | *message = NULL, *timestamp = NULL, *filename = NULL, |
cc4419ed | 445 | *truncated = NULL, *coredump = NULL; |
e15758cc LP |
446 | const void *d; |
447 | size_t l; | |
a7581ff9 | 448 | bool normal_coredump; |
4b8cbe9a | 449 | int r; |
e15758cc LP |
450 | |
451 | assert(file); | |
452 | assert(j); | |
453 | ||
454 | SD_JOURNAL_FOREACH_DATA(j, d, l) { | |
a7581ff9 | 455 | RETRIEVE(d, l, "MESSAGE_ID", mid); |
062b99e8 ZJS |
456 | RETRIEVE(d, l, "COREDUMP_PID", pid); |
457 | RETRIEVE(d, l, "COREDUMP_UID", uid); | |
458 | RETRIEVE(d, l, "COREDUMP_GID", gid); | |
459 | RETRIEVE(d, l, "COREDUMP_SIGNAL", sgnl); | |
460 | RETRIEVE(d, l, "COREDUMP_EXE", exe); | |
461 | RETRIEVE(d, l, "COREDUMP_COMM", comm); | |
462 | RETRIEVE(d, l, "COREDUMP_CMDLINE", cmdline); | |
463 | RETRIEVE(d, l, "COREDUMP_UNIT", unit); | |
464 | RETRIEVE(d, l, "COREDUMP_USER_UNIT", user_unit); | |
465 | RETRIEVE(d, l, "COREDUMP_SESSION", session); | |
466 | RETRIEVE(d, l, "COREDUMP_OWNER_UID", owner_uid); | |
467 | RETRIEVE(d, l, "COREDUMP_SLICE", slice); | |
468 | RETRIEVE(d, l, "COREDUMP_CGROUP", cgroup); | |
469 | RETRIEVE(d, l, "COREDUMP_TIMESTAMP", timestamp); | |
470 | RETRIEVE(d, l, "COREDUMP_FILENAME", filename); | |
cc4419ed | 471 | RETRIEVE(d, l, "COREDUMP_TRUNCATED", truncated); |
062b99e8 ZJS |
472 | RETRIEVE(d, l, "COREDUMP", coredump); |
473 | RETRIEVE(d, l, "_BOOT_ID", boot_id); | |
474 | RETRIEVE(d, l, "_MACHINE_ID", machine_id); | |
475 | RETRIEVE(d, l, "_HOSTNAME", hostname); | |
476 | RETRIEVE(d, l, "MESSAGE", message); | |
e15758cc LP |
477 | } |
478 | ||
479 | if (need_space) | |
480 | fputs("\n", file); | |
481 | ||
a7581ff9 ZJS |
482 | normal_coredump = streq_ptr(mid, SD_MESSAGE_COREDUMP_STR); |
483 | ||
81cef14f LP |
484 | if (comm) |
485 | fprintf(file, | |
486 | " PID: %s%s%s (%s)\n", | |
1fc464f6 | 487 | ansi_highlight(), strna(pid), ansi_normal(), comm); |
81cef14f LP |
488 | else |
489 | fprintf(file, | |
490 | " PID: %s%s%s\n", | |
1fc464f6 | 491 | ansi_highlight(), strna(pid), ansi_normal()); |
a035f819 LP |
492 | |
493 | if (uid) { | |
494 | uid_t n; | |
495 | ||
496 | if (parse_uid(uid, &n) >= 0) { | |
497 | _cleanup_free_ char *u = NULL; | |
498 | ||
499 | u = uid_to_name(n); | |
500 | fprintf(file, | |
501 | " UID: %s (%s)\n", | |
502 | uid, u); | |
503 | } else { | |
504 | fprintf(file, | |
505 | " UID: %s\n", | |
506 | uid); | |
507 | } | |
508 | } | |
509 | ||
510 | if (gid) { | |
511 | gid_t n; | |
512 | ||
513 | if (parse_gid(gid, &n) >= 0) { | |
514 | _cleanup_free_ char *g = NULL; | |
515 | ||
516 | g = gid_to_name(n); | |
517 | fprintf(file, | |
518 | " GID: %s (%s)\n", | |
519 | gid, g); | |
520 | } else { | |
521 | fprintf(file, | |
522 | " GID: %s\n", | |
523 | gid); | |
524 | } | |
525 | } | |
e15758cc LP |
526 | |
527 | if (sgnl) { | |
528 | int sig; | |
a7581ff9 | 529 | const char *name = normal_coredump ? "Signal" : "Reason"; |
e15758cc | 530 | |
a7581ff9 ZJS |
531 | if (normal_coredump && safe_atoi(sgnl, &sig) >= 0) |
532 | fprintf(file, " %s: %s (%s)\n", name, sgnl, signal_to_string(sig)); | |
e15758cc | 533 | else |
a7581ff9 | 534 | fprintf(file, " %s: %s\n", name, sgnl); |
e15758cc LP |
535 | } |
536 | ||
4b8cbe9a LP |
537 | if (timestamp) { |
538 | usec_t u; | |
539 | ||
540 | r = safe_atou64(timestamp, &u); | |
541 | if (r >= 0) { | |
542 | char absolute[FORMAT_TIMESTAMP_MAX], relative[FORMAT_TIMESPAN_MAX]; | |
543 | ||
544 | fprintf(file, | |
545 | " Timestamp: %s (%s)\n", | |
546 | format_timestamp(absolute, sizeof(absolute), u), | |
547 | format_timestamp_relative(relative, sizeof(relative), u)); | |
548 | ||
549 | } else | |
550 | fprintf(file, " Timestamp: %s\n", timestamp); | |
551 | } | |
552 | ||
e15758cc LP |
553 | if (cmdline) |
554 | fprintf(file, " Command Line: %s\n", cmdline); | |
81cef14f | 555 | if (exe) |
1fc464f6 | 556 | fprintf(file, " Executable: %s%s%s\n", ansi_highlight(), exe, ansi_normal()); |
a035f819 LP |
557 | if (cgroup) |
558 | fprintf(file, " Control Group: %s\n", cgroup); | |
e15758cc LP |
559 | if (unit) |
560 | fprintf(file, " Unit: %s\n", unit); | |
561 | if (user_unit) | |
554ed50f | 562 | fprintf(file, " User Unit: %s\n", user_unit); |
a035f819 LP |
563 | if (slice) |
564 | fprintf(file, " Slice: %s\n", slice); | |
e15758cc LP |
565 | if (session) |
566 | fprintf(file, " Session: %s\n", session); | |
a035f819 LP |
567 | if (owner_uid) { |
568 | uid_t n; | |
569 | ||
570 | if (parse_uid(owner_uid, &n) >= 0) { | |
571 | _cleanup_free_ char *u = NULL; | |
572 | ||
573 | u = uid_to_name(n); | |
574 | fprintf(file, | |
575 | " Owner UID: %s (%s)\n", | |
576 | owner_uid, u); | |
577 | } else { | |
578 | fprintf(file, | |
579 | " Owner UID: %s\n", | |
580 | owner_uid); | |
581 | } | |
582 | } | |
e15758cc LP |
583 | if (boot_id) |
584 | fprintf(file, " Boot ID: %s\n", boot_id); | |
585 | if (machine_id) | |
586 | fprintf(file, " Machine ID: %s\n", machine_id); | |
587 | if (hostname) | |
588 | fprintf(file, " Hostname: %s\n", hostname); | |
589 | ||
cc4419ed | 590 | if (filename) { |
32a1575f LP |
591 | bool inacc, trunc; |
592 | ||
593 | inacc = access(filename, R_OK) < 0; | |
594 | trunc = truncated && parse_boolean(truncated) > 0; | |
cc4419ed ZJS |
595 | |
596 | if (inacc || trunc) | |
597 | fprintf(file, " Storage: %s%s (%s%s%s)%s\n", | |
598 | ansi_highlight_red(), | |
599 | filename, | |
600 | inacc ? "inaccessible" : "", | |
601 | inacc && trunc ? ", " : "", | |
602 | trunc ? "truncated" : "", | |
603 | ansi_normal()); | |
604 | else | |
605 | fprintf(file, " Storage: %s\n", filename); | |
606 | } | |
607 | ||
47f50642 ZJS |
608 | else if (coredump) |
609 | fprintf(file, " Storage: journal\n"); | |
610 | else | |
611 | fprintf(file, " Storage: none\n"); | |
e15758cc | 612 | |
8d4e028f LP |
613 | if (message) { |
614 | _cleanup_free_ char *m = NULL; | |
615 | ||
616 | m = strreplace(message, "\n", "\n "); | |
617 | ||
618 | fprintf(file, " Message: %s\n", strstrip(m ?: message)); | |
619 | } | |
620 | ||
e15758cc LP |
621 | return 0; |
622 | } | |
623 | ||
ada45c78 | 624 | static int focus(sd_journal *j) { |
5de0409e ZJS |
625 | int r; |
626 | ||
5de0409e ZJS |
627 | r = sd_journal_seek_tail(j); |
628 | if (r == 0) | |
629 | r = sd_journal_previous(j); | |
23bbb0de MS |
630 | if (r < 0) |
631 | return log_error_errno(r, "Failed to search journal: %m"); | |
8bc8ab83 | 632 | if (r == 0) { |
0c51aada | 633 | log_error("No match found."); |
8bc8ab83 LP |
634 | return -ESRCH; |
635 | } | |
ada45c78 LP |
636 | return r; |
637 | } | |
5de0409e | 638 | |
5ce97d33 | 639 | static int print_entry(sd_journal *j, unsigned n_found, bool verb_is_info) { |
0c51aada LP |
640 | assert(j); |
641 | ||
5ce97d33 | 642 | if (verb_is_info) |
062b99e8 | 643 | return print_info(stdout, j, n_found); |
0c51aada | 644 | else if (arg_field) |
062b99e8 | 645 | return print_field(stdout, j); |
0c51aada | 646 | else |
062b99e8 | 647 | return print_list(stdout, j, n_found); |
0c51aada LP |
648 | } |
649 | ||
5ce97d33 YW |
650 | static int dump_list(int argc, char **argv, void *userdata) { |
651 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
0c51aada | 652 | unsigned n_found = 0; |
5ce97d33 | 653 | bool verb_is_info; |
0c51aada LP |
654 | int r; |
655 | ||
5ce97d33 YW |
656 | verb_is_info = (argc >= 1 && streq(argv[0], "info")); |
657 | ||
658 | r = acquire_journal(&j, argv + 1); | |
659 | if (r < 0) | |
660 | return r; | |
661 | ||
ee5324aa | 662 | (void) pager_open(arg_no_pager, false); |
0c51aada LP |
663 | |
664 | /* The coredumps are likely to compressed, and for just | |
665 | * listing them we don't need to decompress them, so let's | |
666 | * pick a fairly low data threshold here */ | |
667 | sd_journal_set_data_threshold(j, 4096); | |
668 | ||
2fafabfd LY |
669 | /* "info" without pattern implies "-1" */ |
670 | if (arg_one || (verb_is_info && argc == 1)) { | |
0c51aada LP |
671 | r = focus(j); |
672 | if (r < 0) | |
673 | return r; | |
674 | ||
5ce97d33 | 675 | return print_entry(j, 0, verb_is_info); |
0c51aada | 676 | } else { |
32485d09 GS |
677 | if (arg_since != USEC_INFINITY && !arg_reverse) |
678 | r = sd_journal_seek_realtime_usec(j, arg_since); | |
679 | else if (arg_until != USEC_INFINITY && arg_reverse) | |
680 | r = sd_journal_seek_realtime_usec(j, arg_until); | |
681 | else if (arg_reverse) | |
682 | r = sd_journal_seek_tail(j); | |
683 | else | |
684 | r = sd_journal_seek_head(j); | |
685 | if (r < 0) | |
686 | return log_error_errno(r, "Failed to seek to date: %m"); | |
687 | ||
688 | for (;;) { | |
689 | if (!arg_reverse) | |
690 | r = sd_journal_next(j); | |
691 | else | |
692 | r = sd_journal_previous(j); | |
693 | ||
694 | if (r < 0) | |
695 | return log_error_errno(r, "Failed to iterate through journal: %m"); | |
696 | ||
697 | if (r == 0) | |
698 | break; | |
699 | ||
700 | if (arg_until != USEC_INFINITY && !arg_reverse) { | |
701 | usec_t usec; | |
702 | ||
703 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 704 | if (r < 0) |
32485d09 GS |
705 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
706 | if (usec > arg_until) | |
707 | continue; | |
df65f77b | 708 | } |
32485d09 GS |
709 | |
710 | if (arg_since != USEC_INFINITY && arg_reverse) { | |
711 | usec_t usec; | |
712 | ||
713 | r = sd_journal_get_realtime_usec(j, &usec); | |
df65f77b | 714 | if (r < 0) |
32485d09 GS |
715 | return log_error_errno(r, "Failed to determine timestamp: %m"); |
716 | if (usec < arg_since) | |
717 | continue; | |
df65f77b | 718 | } |
32485d09 | 719 | |
5ce97d33 | 720 | r = print_entry(j, n_found++, verb_is_info); |
32485d09 GS |
721 | if (r < 0) |
722 | return r; | |
062b99e8 | 723 | } |
0c51aada LP |
724 | |
725 | if (!arg_field && n_found <= 0) { | |
b9aaa7f4 ZJS |
726 | if (!arg_quiet) |
727 | log_notice("No coredumps found."); | |
0c51aada LP |
728 | return -ESRCH; |
729 | } | |
730 | } | |
731 | ||
732 | return 0; | |
733 | } | |
734 | ||
bb7c5bad | 735 | static int save_core(sd_journal *j, FILE *file, char **path, bool *unlink_temp) { |
9fe13294 ZJS |
736 | const char *data; |
737 | _cleanup_free_ char *filename = NULL; | |
738 | size_t len; | |
bb7c5bad | 739 | int r, fd; |
fc6cec86 ZJS |
740 | _cleanup_close_ int fdt = -1; |
741 | char *temp = NULL; | |
ada45c78 | 742 | |
bb7c5bad ZJS |
743 | assert(!(file && path)); /* At most one can be specified */ |
744 | assert(!!path == !!unlink_temp); /* Those must be specified together */ | |
47f50642 | 745 | |
fc6cec86 | 746 | /* Look for a coredump on disk first. */ |
9fe13294 | 747 | r = sd_journal_get_data(j, "COREDUMP_FILENAME", (const void**) &data, &len); |
bb7c5bad | 748 | if (r == 0) |
9fe13294 | 749 | retrieve(data, len, "COREDUMP_FILENAME", &filename); |
bb7c5bad ZJS |
750 | else { |
751 | if (r != -ENOENT) | |
752 | return log_error_errno(r, "Failed to retrieve COREDUMP_FILENAME field: %m"); | |
753 | /* Check that we can have a COREDUMP field. We still haven't set a high | |
754 | * data threshold, so we'll get a few kilobytes at most. | |
755 | */ | |
756 | ||
757 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); | |
758 | if (r == -ENOENT) | |
759 | return log_error_errno(r, "Coredump entry has no core attached (neither internally in the journal nor externally on disk)."); | |
760 | if (r < 0) | |
761 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); | |
762 | } | |
93b73b06 | 763 | |
954d3a51 ZJS |
764 | if (filename) { |
765 | if (access(filename, R_OK) < 0) | |
766 | return log_error_errno(errno, "File \"%s\" is not readable: %m", filename); | |
5de0409e | 767 | |
954d3a51 | 768 | if (path && !endswith(filename, ".xz") && !endswith(filename, ".lz4")) { |
ae2a15bc | 769 | *path = TAKE_PTR(filename); |
a276ae74 | 770 | |
954d3a51 ZJS |
771 | return 0; |
772 | } | |
fc6cec86 | 773 | } |
a276ae74 | 774 | |
bb7c5bad | 775 | if (path) { |
fc6cec86 | 776 | const char *vt; |
992e8f22 | 777 | |
fc6cec86 | 778 | /* Create a temporary file to write the uncompressed core to. */ |
992e8f22 | 779 | |
fc6cec86 ZJS |
780 | r = var_tmp_dir(&vt); |
781 | if (r < 0) | |
782 | return log_error_errno(r, "Failed to acquire temporary directory path: %m"); | |
9fe13294 | 783 | |
605405c6 | 784 | temp = strjoin(vt, "/coredump-XXXXXX"); |
fc6cec86 ZJS |
785 | if (!temp) |
786 | return log_oom(); | |
9fe13294 | 787 | |
fc6cec86 ZJS |
788 | fdt = mkostemp_safe(temp); |
789 | if (fdt < 0) | |
790 | return log_error_errno(fdt, "Failed to create temporary file: %m"); | |
791 | log_debug("Created temporary file %s", temp); | |
9fe13294 | 792 | |
fc6cec86 | 793 | fd = fdt; |
bb7c5bad ZJS |
794 | } else { |
795 | /* If neither path or file are specified, we will write to stdout. Let's now check | |
796 | * if stdout is connected to a tty. We checked that the file exists, or that the | |
797 | * core might be stored in the journal. In this second case, if we found the entry, | |
798 | * in all likelyhood we will be able to access the COREDUMP= field. In either case, | |
799 | * we stop before doing any "real" work, i.e. before starting decompression or | |
800 | * reading from the file or creating temporary files. | |
801 | */ | |
802 | if (!file) { | |
803 | if (on_tty()) | |
804 | return log_error_errno(ENOTTY, "Refusing to dump core to tty" | |
805 | " (use shell redirection or specify --output)."); | |
806 | file = stdout; | |
807 | } | |
808 | ||
809 | fd = fileno(file); | |
fc6cec86 ZJS |
810 | } |
811 | ||
812 | if (filename) { | |
349cc4a5 | 813 | #if HAVE_XZ || HAVE_LZ4 |
fc6cec86 | 814 | _cleanup_close_ int fdf; |
9fe13294 | 815 | |
fc6cec86 ZJS |
816 | fdf = open(filename, O_RDONLY | O_CLOEXEC); |
817 | if (fdf < 0) { | |
818 | r = log_error_errno(errno, "Failed to open %s: %m", filename); | |
2fb8159f | 819 | goto error; |
fc6cec86 ZJS |
820 | } |
821 | ||
822 | r = decompress_stream(filename, fdf, fd, -1); | |
823 | if (r < 0) { | |
824 | log_error_errno(r, "Failed to decompress %s: %m", filename); | |
9fe13294 ZJS |
825 | goto error; |
826 | } | |
fc6cec86 ZJS |
827 | #else |
828 | log_error("Cannot decompress file. Compiled without compression support."); | |
829 | r = -EOPNOTSUPP; | |
830 | goto error; | |
831 | #endif | |
832 | } else { | |
833 | ssize_t sz; | |
a276ae74 | 834 | |
bb7c5bad ZJS |
835 | /* We want full data, nothing truncated. */ |
836 | sd_journal_set_data_threshold(j, 0); | |
837 | ||
fc6cec86 ZJS |
838 | r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len); |
839 | if (r < 0) | |
bb7c5bad | 840 | return log_error_errno(r, "Failed to retrieve COREDUMP field: %m"); |
fc6cec86 ZJS |
841 | |
842 | assert(len >= 9); | |
843 | data += 9; | |
844 | len -= 9; | |
845 | ||
954d3a51 | 846 | sz = write(fd, data, len); |
fc6cec86 | 847 | if (sz < 0) { |
954d3a51 | 848 | r = log_error_errno(errno, "Failed to write output: %m"); |
fc6cec86 | 849 | goto error; |
a276ae74 | 850 | } |
fc6cec86 | 851 | if (sz != (ssize_t) len) { |
954d3a51 | 852 | log_error("Short write to output."); |
fc6cec86 ZJS |
853 | r = -EIO; |
854 | goto error; | |
855 | } | |
856 | } | |
a276ae74 | 857 | |
fc6cec86 ZJS |
858 | if (temp) { |
859 | *path = temp; | |
860 | *unlink_temp = true; | |
861 | } | |
862 | return 0; | |
9fe13294 ZJS |
863 | |
864 | error: | |
fc6cec86 ZJS |
865 | if (temp) { |
866 | unlink(temp); | |
867 | log_debug("Removed temporary file %s", temp); | |
9fe13294 | 868 | } |
fc6cec86 | 869 | return r; |
9fe13294 | 870 | } |
a276ae74 | 871 | |
5ce97d33 YW |
872 | static int dump_core(int argc, char **argv, void *userdata) { |
873 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; | |
9fe13294 ZJS |
874 | int r; |
875 | ||
5ce97d33 YW |
876 | if (arg_field) { |
877 | log_error("Option --field/-F only makes sense with list"); | |
878 | return -EINVAL; | |
879 | } | |
880 | ||
881 | r = acquire_journal(&j, argv + 1); | |
882 | if (r < 0) | |
883 | return r; | |
9fe13294 ZJS |
884 | |
885 | r = focus(j); | |
886 | if (r < 0) | |
ada45c78 | 887 | return r; |
ada45c78 | 888 | |
3774cf57 | 889 | print_info(arg_output ? stdout : stderr, j, false); |
9fe13294 | 890 | |
bb7c5bad | 891 | r = save_core(j, arg_output, NULL, NULL); |
23bbb0de | 892 | if (r < 0) |
bb7c5bad | 893 | return r; |
5de0409e ZJS |
894 | |
895 | r = sd_journal_previous(j); | |
b9aaa7f4 ZJS |
896 | if (r > 0 && !arg_quiet) |
897 | log_notice("More than one entry matches, ignoring rest."); | |
5de0409e ZJS |
898 | |
899 | return 0; | |
900 | } | |
901 | ||
c5896b6a | 902 | static int run_debug(int argc, char **argv, void *userdata) { |
5ce97d33 | 903 | _cleanup_(sd_journal_closep) sd_journal *j = NULL; |
de8f6e54 | 904 | _cleanup_free_ char *exe = NULL, *path = NULL; |
9fe13294 | 905 | bool unlink_path = false; |
c5896b6a | 906 | const char *data, *fork_name; |
ada45c78 | 907 | size_t len; |
ada45c78 | 908 | pid_t pid; |
ada45c78 | 909 | int r; |
ada45c78 | 910 | |
c5896b6a RG |
911 | if (!arg_debugger) { |
912 | char *env_debugger; | |
913 | ||
914 | env_debugger = getenv("SYSTEMD_DEBUGGER"); | |
915 | if (env_debugger) | |
916 | arg_debugger = env_debugger; | |
917 | else | |
918 | arg_debugger = "gdb"; | |
919 | } | |
920 | ||
5ce97d33 YW |
921 | if (arg_field) { |
922 | log_error("Option --field/-F only makes sense with list"); | |
923 | return -EINVAL; | |
924 | } | |
925 | ||
926 | r = acquire_journal(&j, argv + 1); | |
927 | if (r < 0) | |
928 | return r; | |
ada45c78 LP |
929 | |
930 | r = focus(j); | |
931 | if (r < 0) | |
932 | return r; | |
933 | ||
e15758cc LP |
934 | print_info(stdout, j, false); |
935 | fputs("\n", stdout); | |
ada45c78 LP |
936 | |
937 | r = sd_journal_get_data(j, "COREDUMP_EXE", (const void**) &data, &len); | |
23bbb0de MS |
938 | if (r < 0) |
939 | return log_error_errno(r, "Failed to retrieve COREDUMP_EXE field: %m"); | |
ada45c78 | 940 | |
fbd0b64f LP |
941 | assert(len > STRLEN("COREDUMP_EXE=")); |
942 | data += STRLEN("COREDUMP_EXE="); | |
943 | len -= STRLEN("COREDUMP_EXE="); | |
ada45c78 LP |
944 | |
945 | exe = strndup(data, len); | |
946 | if (!exe) | |
947 | return log_oom(); | |
948 | ||
949 | if (endswith(exe, " (deleted)")) { | |
950 | log_error("Binary already deleted."); | |
951 | return -ENOENT; | |
952 | } | |
953 | ||
a276ae74 LP |
954 | if (!path_is_absolute(exe)) { |
955 | log_error("Binary is not an absolute path."); | |
956 | return -ENOENT; | |
957 | } | |
958 | ||
bb7c5bad | 959 | r = save_core(j, NULL, &path, &unlink_path); |
23bbb0de | 960 | if (r < 0) |
bb7c5bad | 961 | return r; |
ada45c78 | 962 | |
3e7bc89b FB |
963 | /* Don't interfere with gdb and its handling of SIGINT. */ |
964 | (void) ignore_signals(SIGINT, -1); | |
965 | ||
c5896b6a RG |
966 | fork_name = strjoina("(", arg_debugger, ")"); |
967 | ||
968 | r = safe_fork(fork_name, FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_CLOSE_ALL_FDS|FORK_LOG, &pid); | |
b6e1fff1 | 969 | if (r < 0) |
ada45c78 | 970 | goto finish; |
4c253ed1 | 971 | if (r == 0) { |
c5896b6a | 972 | execlp(arg_debugger, arg_debugger, exe, "-c", path, NULL); |
0b1f3c76 | 973 | log_open(); |
c5896b6a | 974 | log_error_errno(errno, "Failed to invoke %s: %m", arg_debugger); |
a45d7127 | 975 | _exit(EXIT_FAILURE); |
ada45c78 LP |
976 | } |
977 | ||
c5896b6a | 978 | r = wait_for_terminate_and_check(arg_debugger, pid, WAIT_LOG_ABNORMAL); |
ada45c78 LP |
979 | |
980 | finish: | |
3e7bc89b FB |
981 | (void) default_signals(SIGINT, -1); |
982 | ||
9fe13294 ZJS |
983 | if (unlink_path) { |
984 | log_debug("Removed temporary file %s", path); | |
985 | unlink(path); | |
986 | } | |
a276ae74 | 987 | |
ada45c78 LP |
988 | return r; |
989 | } | |
990 | ||
012f2b7d ZJS |
991 | static int check_units_active(void) { |
992 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
993 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
994 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
995 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
996 | int c = 0, r; | |
7bbf2d84 | 997 | const char *id, *state, *substate; |
012f2b7d | 998 | |
b9aaa7f4 ZJS |
999 | if (arg_quiet) |
1000 | return false; | |
1001 | ||
012f2b7d ZJS |
1002 | r = sd_bus_default_system(&bus); |
1003 | if (r < 0) | |
1004 | return log_error_errno(r, "Failed to acquire bus: %m"); | |
1005 | ||
1006 | r = sd_bus_message_new_method_call( | |
1007 | bus, | |
1008 | &m, | |
1009 | "org.freedesktop.systemd1", | |
1010 | "/org/freedesktop/systemd1", | |
1011 | "org.freedesktop.systemd1.Manager", | |
1012 | "ListUnitsByPatterns"); | |
1013 | if (r < 0) | |
1014 | return bus_log_create_error(r); | |
1015 | ||
1016 | r = sd_bus_message_append_strv(m, NULL); | |
1017 | if (r < 0) | |
1018 | return bus_log_create_error(r); | |
1019 | ||
1020 | r = sd_bus_message_append_strv(m, STRV_MAKE("systemd-coredump@*.service")); | |
1021 | if (r < 0) | |
1022 | return bus_log_create_error(r); | |
1023 | ||
501551e8 | 1024 | r = sd_bus_call(bus, m, SHORT_BUS_CALL_TIMEOUT_USEC, &error, &reply); |
012f2b7d ZJS |
1025 | if (r < 0) |
1026 | return log_error_errno(r, "Failed to check if any systemd-coredump@.service units are running: %s", | |
1027 | bus_error_message(&error, r)); | |
1028 | ||
1029 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
1030 | if (r < 0) | |
1031 | return bus_log_parse_error(r); | |
1032 | ||
1033 | while ((r = sd_bus_message_read( | |
1034 | reply, "(ssssssouso)", | |
7bbf2d84 ZJS |
1035 | &id, NULL, NULL, &state, &substate, |
1036 | NULL, NULL, NULL, NULL, NULL)) > 0) { | |
eb5877a0 | 1037 | bool found = !STR_IN_SET(state, "inactive", "dead", "failed"); |
7bbf2d84 ZJS |
1038 | log_debug("Unit %s is %s/%s, %scounting it.", id, state, substate, found ? "" : "not "); |
1039 | c += found; | |
1040 | } | |
012f2b7d ZJS |
1041 | if (r < 0) |
1042 | return bus_log_parse_error(r); | |
1043 | ||
1044 | r = sd_bus_message_exit_container(reply); | |
1045 | if (r < 0) | |
1046 | return bus_log_parse_error(r); | |
1047 | ||
1048 | return c; | |
1049 | } | |
1050 | ||
5ce97d33 YW |
1051 | static int coredumpctl_main(int argc, char *argv[]) { |
1052 | ||
1053 | static const Verb verbs[] = { | |
c5896b6a RG |
1054 | { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT, dump_list }, |
1055 | { "info", VERB_ANY, VERB_ANY, 0, dump_list }, | |
1056 | { "dump", VERB_ANY, VERB_ANY, 0, dump_core }, | |
1057 | { "debug", VERB_ANY, VERB_ANY, 0, run_debug }, | |
1058 | { "gdb", VERB_ANY, VERB_ANY, 0, run_debug }, | |
5ce97d33 YW |
1059 | {} |
1060 | }; | |
1061 | ||
1062 | return dispatch_verb(argc, argv, verbs, NULL); | |
1063 | } | |
1064 | ||
5de0409e | 1065 | int main(int argc, char *argv[]) { |
5ce97d33 | 1066 | int r, units_active; |
5de0409e | 1067 | |
a9cdc94f | 1068 | setlocale(LC_ALL, ""); |
5de0409e ZJS |
1069 | log_parse_environment(); |
1070 | log_open(); | |
1071 | ||
1abaf488 LP |
1072 | /* The journal merging logic potentially needs a lot of fds. */ |
1073 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
1074 | ||
5ab9ed07 | 1075 | r = parse_argv(argc, argv); |
5ce97d33 | 1076 | if (r <= 0) |
5de0409e ZJS |
1077 | goto end; |
1078 | ||
2cf4172a LP |
1079 | sigbus_install(); |
1080 | ||
012f2b7d ZJS |
1081 | units_active = check_units_active(); /* error is treated the same as 0 */ |
1082 | ||
5ce97d33 | 1083 | r = coredumpctl_main(argc, argv); |
5de0409e | 1084 | |
012f2b7d ZJS |
1085 | if (units_active > 0) |
1086 | printf("%s-- Notice: %d systemd-coredump@.service %s, output may be incomplete.%s\n", | |
1087 | ansi_highlight_red(), | |
1088 | units_active, units_active == 1 ? "unit is running" : "units are running", | |
1089 | ansi_normal()); | |
5de0409e | 1090 | end: |
5de0409e ZJS |
1091 | pager_close(); |
1092 | ||
f5c4b520 | 1093 | safe_fclose(arg_output); |
5de0409e | 1094 | |
ada45c78 | 1095 | return r >= 0 ? r : EXIT_FAILURE; |
5de0409e | 1096 | } |