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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3d090cc6 | 2 | |
07630cea | 3 | #include <curl/curl.h> |
3d090cc6 ZJS |
4 | #include <fcntl.h> |
5 | #include <getopt.h> | |
3f6fd1ba LP |
6 | #include <stdio.h> |
7 | #include <sys/stat.h> | |
3d090cc6 ZJS |
8 | |
9 | #include "sd-daemon.h" | |
3f6fd1ba | 10 | |
b5efdb8a | 11 | #include "alloc-util.h" |
3f6fd1ba | 12 | #include "conf-parser.h" |
a0f29c76 | 13 | #include "def.h" |
3ffd4af2 | 14 | #include "fd-util.h" |
722b6795 | 15 | #include "fileio.h" |
f97b34a6 | 16 | #include "format-util.h" |
7d50b32a | 17 | #include "glob-util.h" |
3ffd4af2 | 18 | #include "journal-upload.h" |
3f6fd1ba | 19 | #include "log.h" |
d71839af | 20 | #include "mkdir.h" |
6bedfcbb | 21 | #include "parse-util.h" |
dccca82b | 22 | #include "process-util.h" |
1abaf488 | 23 | #include "rlimit-util.h" |
2cf4172a | 24 | #include "sigbus.h" |
24882e06 | 25 | #include "signal-util.h" |
07630cea | 26 | #include "string-util.h" |
37ec0fdd | 27 | #include "terminal-util.h" |
3f6fd1ba | 28 | #include "util.h" |
3d090cc6 | 29 | |
799a8f39 ZJS |
30 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
31 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
32 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 33 | #define DEFAULT_PORT 19532 |
29fc0ddc | 34 | |
2cf4172a | 35 | static const char* arg_url = NULL; |
7449bc1f ZJS |
36 | static const char *arg_key = NULL; |
37 | static const char *arg_cert = NULL; | |
38 | static const char *arg_trust = NULL; | |
eacbb4d3 ZJS |
39 | static const char *arg_directory = NULL; |
40 | static char **arg_file = NULL; | |
41 | static const char *arg_cursor = NULL; | |
42 | static bool arg_after_cursor = false; | |
43 | static int arg_journal_type = 0; | |
44 | static const char *arg_machine = NULL; | |
45 | static bool arg_merge = false; | |
46 | static int arg_follow = -1; | |
722b6795 | 47 | static const char *arg_save_state = NULL; |
eacbb4d3 | 48 | |
2cf4172a LP |
49 | static void close_fd_input(Uploader *u); |
50 | ||
eacbb4d3 ZJS |
51 | #define SERVER_ANSWER_KEEP 2048 |
52 | ||
722b6795 ZJS |
53 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
54 | ||
3d090cc6 | 55 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 56 | do { \ |
3d090cc6 ZJS |
57 | code = curl_easy_setopt(curl, opt, value); \ |
58 | if (code) { \ | |
59 | log_full(level, \ | |
60 | "curl_easy_setopt " #opt " failed: %s", \ | |
61 | curl_easy_strerror(code)); \ | |
62 | cmd; \ | |
63 | } \ | |
9ed794a3 | 64 | } while (0) |
3d090cc6 | 65 | |
eacbb4d3 ZJS |
66 | static size_t output_callback(char *buf, |
67 | size_t size, | |
68 | size_t nmemb, | |
69 | void *userp) { | |
70 | Uploader *u = userp; | |
71 | ||
72 | assert(u); | |
73 | ||
74 | log_debug("The server answers (%zu bytes): %.*s", | |
75 | size*nmemb, (int)(size*nmemb), buf); | |
76 | ||
77 | if (nmemb && !u->answer) { | |
78 | u->answer = strndup(buf, size*nmemb); | |
79 | if (!u->answer) | |
c33b3297 MS |
80 | log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
81 | size*nmemb); | |
eacbb4d3 ZJS |
82 | } |
83 | ||
84 | return size * nmemb; | |
85 | } | |
86 | ||
d71839af ZJS |
87 | static int check_cursor_updating(Uploader *u) { |
88 | _cleanup_free_ char *temp_path = NULL; | |
89 | _cleanup_fclose_ FILE *f = NULL; | |
90 | int r; | |
91 | ||
92 | if (!u->state_file) | |
93 | return 0; | |
94 | ||
95 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
96 | if (r < 0) |
97 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
98 | u->state_file); | |
d71839af ZJS |
99 | |
100 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
101 | if (r < 0) |
102 | return log_error_errno(r, "Cannot save state to %s: %m", | |
103 | u->state_file); | |
d71839af ZJS |
104 | unlink(temp_path); |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
722b6795 ZJS |
109 | static int update_cursor_state(Uploader *u) { |
110 | _cleanup_free_ char *temp_path = NULL; | |
111 | _cleanup_fclose_ FILE *f = NULL; | |
112 | int r; | |
113 | ||
114 | if (!u->state_file || !u->last_cursor) | |
115 | return 0; | |
116 | ||
117 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
118 | if (r < 0) | |
dacd6cee | 119 | goto fail; |
722b6795 ZJS |
120 | |
121 | fprintf(f, | |
122 | "# This is private data. Do not parse.\n" | |
123 | "LAST_CURSOR=%s\n", | |
124 | u->last_cursor); | |
125 | ||
dacd6cee LP |
126 | r = fflush_and_check(f); |
127 | if (r < 0) | |
128 | goto fail; | |
722b6795 | 129 | |
dacd6cee | 130 | if (rename(temp_path, u->state_file) < 0) { |
722b6795 | 131 | r = -errno; |
dacd6cee | 132 | goto fail; |
722b6795 ZJS |
133 | } |
134 | ||
dacd6cee LP |
135 | return 0; |
136 | ||
137 | fail: | |
138 | if (temp_path) | |
139 | (void) unlink(temp_path); | |
140 | ||
141 | (void) unlink(u->state_file); | |
722b6795 | 142 | |
dacd6cee | 143 | return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
144 | } |
145 | ||
146 | static int load_cursor_state(Uploader *u) { | |
147 | int r; | |
148 | ||
149 | if (!u->state_file) | |
150 | return 0; | |
151 | ||
1a5a177e | 152 | r = parse_env_file(NULL, u->state_file, NEWLINE, |
722b6795 ZJS |
153 | "LAST_CURSOR", &u->last_cursor, |
154 | NULL); | |
155 | ||
36d4739a ZJS |
156 | if (r == -ENOENT) |
157 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
158 | else if (r < 0) |
159 | return log_error_errno(r, "Failed to read state file %s: %m", | |
160 | u->state_file); | |
161 | else | |
36d4739a | 162 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
163 | |
164 | return 0; | |
165 | } | |
166 | ||
3d090cc6 ZJS |
167 | int start_upload(Uploader *u, |
168 | size_t (*input_callback)(void *ptr, | |
169 | size_t size, | |
170 | size_t nmemb, | |
171 | void *userdata), | |
172 | void *data) { | |
173 | CURLcode code; | |
174 | ||
175 | assert(u); | |
176 | assert(input_callback); | |
177 | ||
178 | if (!u->header) { | |
179 | struct curl_slist *h; | |
180 | ||
181 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
182 | if (!h) | |
183 | return log_oom(); | |
184 | ||
185 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
186 | if (!h) { | |
187 | curl_slist_free_all(h); | |
188 | return log_oom(); | |
189 | } | |
190 | ||
191 | h = curl_slist_append(h, "Accept: text/plain"); | |
192 | if (!h) { | |
193 | curl_slist_free_all(h); | |
194 | return log_oom(); | |
195 | } | |
196 | ||
197 | u->header = h; | |
198 | } | |
199 | ||
200 | if (!u->easy) { | |
201 | CURL *curl; | |
202 | ||
203 | curl = curl_easy_init(); | |
204 | if (!curl) { | |
205 | log_error("Call to curl_easy_init failed."); | |
206 | return -ENOSR; | |
207 | } | |
208 | ||
209 | /* tell it to POST to the URL */ | |
210 | easy_setopt(curl, CURLOPT_POST, 1L, | |
211 | LOG_ERR, return -EXFULL); | |
212 | ||
b88a40a7 | 213 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
214 | LOG_ERR, return -EXFULL); |
215 | ||
216 | /* set where to write to */ | |
217 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
218 | LOG_ERR, return -EXFULL); | |
219 | ||
220 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
221 | LOG_ERR, return -EXFULL); | |
222 | ||
3d090cc6 ZJS |
223 | /* set where to read from */ |
224 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
225 | LOG_ERR, return -EXFULL); | |
226 | ||
227 | easy_setopt(curl, CURLOPT_READDATA, data, | |
228 | LOG_ERR, return -EXFULL); | |
229 | ||
230 | /* use our special own mime type and chunked transfer */ | |
231 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
232 | LOG_ERR, return -EXFULL); | |
233 | ||
f1d34068 | 234 | if (DEBUG_LOGGING) |
5dabb1e0 ZJS |
235 | /* enable verbose for easier tracing */ |
236 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
237 | |
238 | easy_setopt(curl, CURLOPT_USERAGENT, | |
239 | "systemd-journal-upload " PACKAGE_STRING, | |
240 | LOG_WARNING, ); | |
241 | ||
29fc0ddc | 242 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 243 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 244 | LOG_ERR, return -EXFULL); |
29fc0ddc | 245 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
246 | LOG_ERR, return -EXFULL); |
247 | } | |
248 | ||
8847551b ZJS |
249 | if (streq_ptr(arg_trust, "all")) |
250 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
251 | LOG_ERR, return -EUCLEAN); | |
252 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 253 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
254 | LOG_ERR, return -EXFULL); |
255 | ||
256 | if (arg_key || arg_trust) | |
257 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
258 | LOG_WARNING, ); | |
259 | ||
3d090cc6 | 260 | u->easy = curl; |
eacbb4d3 ZJS |
261 | } else { |
262 | /* truncate the potential old error message */ | |
263 | u->error[0] = '\0'; | |
264 | ||
265 | free(u->answer); | |
266 | u->answer = 0; | |
3d090cc6 ZJS |
267 | } |
268 | ||
269 | /* upload to this place */ | |
270 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
271 | if (code) { | |
272 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
273 | curl_easy_strerror(code)); | |
274 | return -EXFULL; | |
275 | } | |
276 | ||
277 | u->uploading = true; | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
283 | Uploader *u = userp; | |
c504106c | 284 | ssize_t n; |
3d090cc6 ZJS |
285 | |
286 | assert(u); | |
ccc0ec6f | 287 | assert(nmemb < SSIZE_MAX / size); |
3d090cc6 ZJS |
288 | |
289 | if (u->input < 0) | |
290 | return 0; | |
291 | ||
c504106c | 292 | assert(!size_multiply_overflow(size, nmemb)); |
3d090cc6 | 293 | |
c504106c LP |
294 | n = read(u->input, buf, size * nmemb); |
295 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, n); | |
296 | if (n > 0) | |
297 | return n; | |
3d090cc6 ZJS |
298 | |
299 | u->uploading = false; | |
c504106c | 300 | if (n < 0) { |
56f64d95 | 301 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
302 | return CURL_READFUNC_ABORT; |
303 | } | |
c504106c LP |
304 | |
305 | log_debug("Reached EOF"); | |
306 | close_fd_input(u); | |
307 | return 0; | |
3d090cc6 ZJS |
308 | } |
309 | ||
310 | static void close_fd_input(Uploader *u) { | |
311 | assert(u); | |
312 | ||
3ccf323d | 313 | u->input = safe_close(u->input); |
eacbb4d3 | 314 | u->timeout = 0; |
3d090cc6 ZJS |
315 | } |
316 | ||
317 | static int dispatch_fd_input(sd_event_source *event, | |
318 | int fd, | |
319 | uint32_t revents, | |
320 | void *userp) { | |
321 | Uploader *u = userp; | |
322 | ||
323 | assert(u); | |
3d090cc6 ZJS |
324 | assert(fd >= 0); |
325 | ||
8201af08 ZJS |
326 | if (revents & EPOLLHUP) { |
327 | log_debug("Received HUP"); | |
328 | close_fd_input(u); | |
329 | return 0; | |
330 | } | |
331 | ||
332 | if (!(revents & EPOLLIN)) { | |
333 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
334 | return -EINVAL; | |
335 | } | |
336 | ||
3d090cc6 ZJS |
337 | if (u->uploading) { |
338 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
339 | return 0; | |
340 | } | |
341 | ||
342 | return start_upload(u, fd_input_callback, u); | |
343 | } | |
344 | ||
345 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 346 | int fd, r = 0; |
3d090cc6 ZJS |
347 | |
348 | if (streq(filename, "-")) | |
349 | fd = STDIN_FILENO; | |
350 | else { | |
351 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
352 | if (fd < 0) |
353 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
354 | } |
355 | ||
356 | u->input = fd; | |
357 | ||
eacbb4d3 ZJS |
358 | if (arg_follow) { |
359 | r = sd_event_add_io(u->events, &u->input_event, | |
360 | fd, EPOLLIN, dispatch_fd_input, u); | |
361 | if (r < 0) { | |
eb56eb9b MS |
362 | if (r != -EPERM || arg_follow > 0) |
363 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 364 | |
eacbb4d3 ZJS |
365 | /* Normal files should just be consumed without polling. */ |
366 | r = start_upload(u, fd_input_callback, u); | |
367 | } | |
3d090cc6 | 368 | } |
eacbb4d3 | 369 | |
3d090cc6 ZJS |
370 | return r; |
371 | } | |
372 | ||
a3152e76 ZJS |
373 | static int dispatch_sigterm(sd_event_source *event, |
374 | const struct signalfd_siginfo *si, | |
375 | void *userdata) { | |
376 | Uploader *u = userdata; | |
377 | ||
378 | assert(u); | |
379 | ||
380 | log_received_signal(LOG_INFO, si); | |
381 | ||
382 | close_fd_input(u); | |
383 | close_journal_input(u); | |
384 | ||
385 | sd_event_exit(u->events, 0); | |
386 | return 0; | |
387 | } | |
388 | ||
389 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
390 | int r; |
391 | ||
392 | assert(u); | |
393 | ||
72c0a2c2 | 394 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
395 | |
396 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
397 | if (r < 0) | |
398 | return r; | |
399 | ||
400 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
401 | if (r < 0) | |
402 | return r; | |
403 | ||
404 | return 0; | |
405 | } | |
406 | ||
722b6795 | 407 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 408 | int r; |
50a0b071 | 409 | const char *host, *proto = ""; |
3d090cc6 ZJS |
410 | |
411 | assert(u); | |
412 | assert(url); | |
413 | ||
414 | memzero(u, sizeof(Uploader)); | |
415 | u->input = -1; | |
416 | ||
50a0b071 ZJS |
417 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
418 | host = url; | |
419 | proto = "https://"; | |
420 | } | |
421 | ||
422 | if (strchr(host, ':')) | |
605405c6 | 423 | u->url = strjoin(proto, url, "/upload"); |
50a0b071 ZJS |
424 | else { |
425 | char *t; | |
426 | size_t x; | |
5bc89120 | 427 | |
50a0b071 ZJS |
428 | t = strdupa(url); |
429 | x = strlen(t); | |
430 | while (x > 0 && t[x - 1] == '/') | |
431 | t[x - 1] = '\0'; | |
432 | ||
605405c6 | 433 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload"); |
50a0b071 | 434 | } |
5bc89120 ZJS |
435 | if (!u->url) |
436 | return log_oom(); | |
437 | ||
722b6795 | 438 | u->state_file = state_file; |
3d090cc6 ZJS |
439 | |
440 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
441 | if (r < 0) |
442 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 443 | |
a3152e76 | 444 | r = setup_signals(u); |
eb56eb9b MS |
445 | if (r < 0) |
446 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 447 | |
0aa176a7 ZJS |
448 | (void) sd_watchdog_enabled(false, &u->watchdog_usec); |
449 | ||
722b6795 | 450 | return load_cursor_state(u); |
3d090cc6 ZJS |
451 | } |
452 | ||
453 | static void destroy_uploader(Uploader *u) { | |
454 | assert(u); | |
455 | ||
456 | curl_easy_cleanup(u->easy); | |
457 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
458 | free(u->answer); |
459 | ||
460 | free(u->last_cursor); | |
722b6795 | 461 | free(u->current_cursor); |
3d090cc6 | 462 | |
5bc89120 ZJS |
463 | free(u->url); |
464 | ||
3d090cc6 ZJS |
465 | u->input_event = sd_event_source_unref(u->input_event); |
466 | ||
467 | close_fd_input(u); | |
eacbb4d3 | 468 | close_journal_input(u); |
3d090cc6 | 469 | |
a3152e76 ZJS |
470 | sd_event_source_unref(u->sigterm_event); |
471 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
472 | sd_event_unref(u->events); |
473 | } | |
474 | ||
eacbb4d3 ZJS |
475 | static int perform_upload(Uploader *u) { |
476 | CURLcode code; | |
477 | long status; | |
478 | ||
479 | assert(u); | |
480 | ||
0aa176a7 | 481 | u->watchdog_timestamp = now(CLOCK_MONOTONIC); |
eacbb4d3 ZJS |
482 | code = curl_easy_perform(u->easy); |
483 | if (code) { | |
30776485 ZJS |
484 | if (u->error[0]) |
485 | log_error("Upload to %s failed: %.*s", | |
486 | u->url, (int) sizeof(u->error), u->error); | |
487 | else | |
488 | log_error("Upload to %s failed: %s", | |
489 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
490 | return -EIO; |
491 | } | |
492 | ||
493 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
494 | if (code) { | |
495 | log_error("Failed to retrieve response code: %s", | |
496 | curl_easy_strerror(code)); | |
497 | return -EUCLEAN; | |
498 | } | |
499 | ||
500 | if (status >= 300) { | |
1fa2f38f | 501 | log_error("Upload to %s failed with code %ld: %s", |
eacbb4d3 ZJS |
502 | u->url, status, strna(u->answer)); |
503 | return -EIO; | |
504 | } else if (status < 200) { | |
1fa2f38f | 505 | log_error("Upload to %s finished with unexpected code %ld: %s", |
eacbb4d3 ZJS |
506 | u->url, status, strna(u->answer)); |
507 | return -EIO; | |
508 | } else | |
1fa2f38f | 509 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 510 | status, strna(u->answer)); |
722b6795 | 511 | |
3b319885 | 512 | free_and_replace(u->last_cursor, u->current_cursor); |
722b6795 ZJS |
513 | |
514 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
515 | } |
516 | ||
29fc0ddc ZJS |
517 | static int parse_config(void) { |
518 | const ConfigTableItem items[] = { | |
519 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
520 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
521 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
522 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
523 | {}}; | |
29fc0ddc | 524 | |
43688c49 | 525 | return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-upload.conf", |
da412854 YW |
526 | CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), |
527 | "Upload\0", config_item_table_lookup, items, | |
bcde742e | 528 | CONFIG_PARSE_WARN, NULL); |
29fc0ddc ZJS |
529 | } |
530 | ||
37ec0fdd LP |
531 | static int help(void) { |
532 | _cleanup_free_ char *link = NULL; | |
533 | int r; | |
534 | ||
535 | r = terminal_urlify_man("systemd-journal-upload.service", "8", &link); | |
536 | if (r < 0) | |
537 | return log_oom(); | |
538 | ||
3d090cc6 ZJS |
539 | printf("%s -u URL {FILE|-}...\n\n" |
540 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
541 | " -h --help Show this help\n" |
542 | " --version Show package version\n" | |
50a0b071 ZJS |
543 | " -u --url=URL Upload to this address (default port " |
544 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
545 | " --key=FILENAME Specify key in PEM format (default:\n" |
546 | " \"" PRIV_KEY_FILE "\")\n" | |
547 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
548 | " \"" CERT_FILE "\")\n" | |
549 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
550 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
551 | " --system Use the system journal\n" |
552 | " --user Use the user journal for the current user\n" | |
553 | " -m --merge Use all available journals\n" | |
554 | " -M --machine=CONTAINER Operate on local container\n" | |
555 | " -D --directory=PATH Use journal files from directory\n" | |
556 | " --file=PATH Use this journal file\n" | |
557 | " --cursor=CURSOR Start at the specified cursor\n" | |
558 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
559 | " --follow[=BOOL] Do [not] wait for input\n" | |
560 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
561 | " " STATE_FILE ")\n" | |
37ec0fdd LP |
562 | "\nSee the %s for details.\n" |
563 | , program_invocation_short_name | |
564 | , link | |
565 | ); | |
566 | ||
567 | return 0; | |
3d090cc6 ZJS |
568 | } |
569 | ||
570 | static int parse_argv(int argc, char *argv[]) { | |
571 | enum { | |
572 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
573 | ARG_KEY, |
574 | ARG_CERT, | |
575 | ARG_TRUST, | |
eacbb4d3 ZJS |
576 | ARG_USER, |
577 | ARG_SYSTEM, | |
578 | ARG_FILE, | |
579 | ARG_CURSOR, | |
580 | ARG_AFTER_CURSOR, | |
581 | ARG_FOLLOW, | |
722b6795 | 582 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
583 | }; |
584 | ||
585 | static const struct option options[] = { | |
586 | { "help", no_argument, NULL, 'h' }, | |
587 | { "version", no_argument, NULL, ARG_VERSION }, | |
588 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
589 | { "key", required_argument, NULL, ARG_KEY }, |
590 | { "cert", required_argument, NULL, ARG_CERT }, | |
591 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
592 | { "system", no_argument, NULL, ARG_SYSTEM }, |
593 | { "user", no_argument, NULL, ARG_USER }, | |
594 | { "merge", no_argument, NULL, 'm' }, | |
595 | { "machine", required_argument, NULL, 'M' }, | |
596 | { "directory", required_argument, NULL, 'D' }, | |
597 | { "file", required_argument, NULL, ARG_FILE }, | |
598 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
599 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 600 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 601 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
602 | {} |
603 | }; | |
604 | ||
eacbb4d3 | 605 | int c, r; |
3d090cc6 ZJS |
606 | |
607 | assert(argc >= 0); | |
608 | assert(argv); | |
609 | ||
610 | opterr = 0; | |
611 | ||
eacbb4d3 | 612 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
613 | switch(c) { |
614 | case 'h': | |
37ec0fdd | 615 | return help(); |
3d090cc6 ZJS |
616 | |
617 | case ARG_VERSION: | |
3f6fd1ba | 618 | return version(); |
3d090cc6 ZJS |
619 | |
620 | case 'u': | |
621 | if (arg_url) { | |
622 | log_error("cannot use more than one --url"); | |
623 | return -EINVAL; | |
624 | } | |
625 | ||
626 | arg_url = optarg; | |
627 | break; | |
628 | ||
7449bc1f ZJS |
629 | case ARG_KEY: |
630 | if (arg_key) { | |
631 | log_error("cannot use more than one --key"); | |
632 | return -EINVAL; | |
633 | } | |
634 | ||
635 | arg_key = optarg; | |
636 | break; | |
637 | ||
638 | case ARG_CERT: | |
639 | if (arg_cert) { | |
640 | log_error("cannot use more than one --cert"); | |
641 | return -EINVAL; | |
642 | } | |
643 | ||
644 | arg_cert = optarg; | |
645 | break; | |
646 | ||
647 | case ARG_TRUST: | |
648 | if (arg_trust) { | |
649 | log_error("cannot use more than one --trust"); | |
650 | return -EINVAL; | |
651 | } | |
652 | ||
653 | arg_trust = optarg; | |
654 | break; | |
655 | ||
eacbb4d3 ZJS |
656 | case ARG_SYSTEM: |
657 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
658 | break; | |
659 | ||
660 | case ARG_USER: | |
661 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
662 | break; | |
663 | ||
664 | case 'm': | |
665 | arg_merge = true; | |
666 | break; | |
667 | ||
668 | case 'M': | |
669 | if (arg_machine) { | |
670 | log_error("cannot use more than one --machine/-M"); | |
671 | return -EINVAL; | |
672 | } | |
673 | ||
674 | arg_machine = optarg; | |
675 | break; | |
676 | ||
677 | case 'D': | |
678 | if (arg_directory) { | |
679 | log_error("cannot use more than one --directory/-D"); | |
680 | return -EINVAL; | |
681 | } | |
682 | ||
683 | arg_directory = optarg; | |
684 | break; | |
685 | ||
686 | case ARG_FILE: | |
687 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
688 | if (r < 0) |
689 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
690 | break; |
691 | ||
692 | case ARG_CURSOR: | |
693 | if (arg_cursor) { | |
694 | log_error("cannot use more than one --cursor/--after-cursor"); | |
695 | return -EINVAL; | |
696 | } | |
697 | ||
698 | arg_cursor = optarg; | |
699 | break; | |
700 | ||
701 | case ARG_AFTER_CURSOR: | |
702 | if (arg_cursor) { | |
703 | log_error("cannot use more than one --cursor/--after-cursor"); | |
704 | return -EINVAL; | |
705 | } | |
706 | ||
707 | arg_cursor = optarg; | |
708 | arg_after_cursor = true; | |
709 | break; | |
710 | ||
711 | case ARG_FOLLOW: | |
dad29dff LP |
712 | if (optarg) { |
713 | r = parse_boolean(optarg); | |
714 | if (r < 0) { | |
715 | log_error("Failed to parse --follow= parameter."); | |
716 | return -EINVAL; | |
717 | } | |
718 | ||
719 | arg_follow = !!r; | |
720 | } else | |
721 | arg_follow = true; | |
eacbb4d3 | 722 | |
eacbb4d3 ZJS |
723 | break; |
724 | ||
722b6795 ZJS |
725 | case ARG_SAVE_STATE: |
726 | arg_save_state = optarg ?: STATE_FILE; | |
727 | break; | |
728 | ||
3d090cc6 ZJS |
729 | case '?': |
730 | log_error("Unknown option %s.", argv[optind-1]); | |
731 | return -EINVAL; | |
732 | ||
733 | case ':': | |
734 | log_error("Missing argument to %s.", argv[optind-1]); | |
735 | return -EINVAL; | |
736 | ||
737 | default: | |
738 | assert_not_reached("Unhandled option code."); | |
739 | } | |
740 | ||
741 | if (!arg_url) { | |
742 | log_error("Required --url/-u option missing."); | |
743 | return -EINVAL; | |
744 | } | |
745 | ||
7449bc1f ZJS |
746 | if (!!arg_key != !!arg_cert) { |
747 | log_error("Options --key and --cert must be used together."); | |
748 | return -EINVAL; | |
749 | } | |
750 | ||
eacbb4d3 ZJS |
751 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
752 | log_error("Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
753 | return -EINVAL; |
754 | } | |
755 | ||
756 | return 1; | |
757 | } | |
758 | ||
eacbb4d3 ZJS |
759 | static int open_journal(sd_journal **j) { |
760 | int r; | |
761 | ||
762 | if (arg_directory) | |
763 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
764 | else if (arg_file) | |
765 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
766 | else if (arg_machine) | |
767 | r = sd_journal_open_container(j, arg_machine, 0); | |
768 | else | |
769 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
770 | if (r < 0) | |
c33b3297 MS |
771 | log_error_errno(r, "Failed to open %s: %m", |
772 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
773 | return r; |
774 | } | |
3d090cc6 ZJS |
775 | |
776 | int main(int argc, char **argv) { | |
777 | Uploader u; | |
778 | int r; | |
eacbb4d3 | 779 | bool use_journal; |
3d090cc6 ZJS |
780 | |
781 | log_show_color(true); | |
782 | log_parse_environment(); | |
783 | ||
1abaf488 LP |
784 | /* The journal merging logic potentially needs a lot of fds. */ |
785 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
786 | ||
29fc0ddc | 787 | r = parse_config(); |
4015ac5c | 788 | if (r < 0) |
29fc0ddc ZJS |
789 | goto finish; |
790 | ||
3d090cc6 ZJS |
791 | r = parse_argv(argc, argv); |
792 | if (r <= 0) | |
793 | goto finish; | |
794 | ||
2cf4172a LP |
795 | sigbus_install(); |
796 | ||
722b6795 | 797 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
798 | if (r < 0) |
799 | goto cleanup; | |
800 | ||
a3152e76 ZJS |
801 | sd_event_set_watchdog(u.events, true); |
802 | ||
d71839af ZJS |
803 | r = check_cursor_updating(&u); |
804 | if (r < 0) | |
805 | goto cleanup; | |
806 | ||
3d090cc6 | 807 | log_debug("%s running as pid "PID_FMT, |
df0ff127 | 808 | program_invocation_short_name, getpid_cached()); |
eacbb4d3 ZJS |
809 | |
810 | use_journal = optind >= argc; | |
811 | if (use_journal) { | |
812 | sd_journal *j; | |
813 | r = open_journal(&j); | |
814 | if (r < 0) | |
815 | goto finish; | |
816 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
817 | arg_cursor ?: u.last_cursor, |
818 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
819 | !!arg_follow); |
820 | if (r < 0) | |
821 | goto finish; | |
822 | } | |
823 | ||
3d090cc6 ZJS |
824 | sd_notify(false, |
825 | "READY=1\n" | |
826 | "STATUS=Processing input..."); | |
827 | ||
57255510 | 828 | for (;;) { |
36d4739a ZJS |
829 | r = sd_event_get_state(u.events); |
830 | if (r < 0) | |
831 | break; | |
832 | if (r == SD_EVENT_FINISHED) | |
833 | break; | |
834 | ||
eacbb4d3 ZJS |
835 | if (use_journal) { |
836 | if (!u.journal) | |
837 | break; | |
838 | ||
839 | r = check_journal_input(&u); | |
840 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
841 | if (optind >= argc) |
842 | break; | |
843 | ||
844 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 845 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 846 | } |
eacbb4d3 ZJS |
847 | if (r < 0) |
848 | goto cleanup; | |
3d090cc6 | 849 | |
3d090cc6 | 850 | if (u.uploading) { |
eacbb4d3 ZJS |
851 | r = perform_upload(&u); |
852 | if (r < 0) | |
3d090cc6 | 853 | break; |
3d090cc6 ZJS |
854 | } |
855 | ||
eacbb4d3 | 856 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 857 | if (r < 0) { |
da927ba9 | 858 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
859 | break; |
860 | } | |
861 | } | |
862 | ||
863 | cleanup: | |
af4ec430 LP |
864 | sd_notify(false, |
865 | "STOPPING=1\n" | |
866 | "STATUS=Shutting down..."); | |
867 | ||
3d090cc6 ZJS |
868 | destroy_uploader(&u); |
869 | ||
870 | finish: | |
36d4739a | 871 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 872 | } |