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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" |
294bf0c3 | 22 | #include "pretty-print.h" |
dccca82b | 23 | #include "process-util.h" |
1abaf488 | 24 | #include "rlimit-util.h" |
2cf4172a | 25 | #include "sigbus.h" |
24882e06 | 26 | #include "signal-util.h" |
07630cea | 27 | #include "string-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) | |
d4e98880 | 80 | log_warning("Failed to store server answer (%zu bytes): out of memory", size*nmemb); |
eacbb4d3 ZJS |
81 | } |
82 | ||
83 | return size * nmemb; | |
84 | } | |
85 | ||
d71839af ZJS |
86 | static int check_cursor_updating(Uploader *u) { |
87 | _cleanup_free_ char *temp_path = NULL; | |
88 | _cleanup_fclose_ FILE *f = NULL; | |
89 | int r; | |
90 | ||
91 | if (!u->state_file) | |
92 | return 0; | |
93 | ||
94 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
95 | if (r < 0) |
96 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
97 | u->state_file); | |
d71839af ZJS |
98 | |
99 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
100 | if (r < 0) |
101 | return log_error_errno(r, "Cannot save state to %s: %m", | |
102 | u->state_file); | |
d71839af ZJS |
103 | unlink(temp_path); |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
722b6795 ZJS |
108 | static int update_cursor_state(Uploader *u) { |
109 | _cleanup_free_ char *temp_path = NULL; | |
110 | _cleanup_fclose_ FILE *f = NULL; | |
111 | int r; | |
112 | ||
113 | if (!u->state_file || !u->last_cursor) | |
114 | return 0; | |
115 | ||
116 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
117 | if (r < 0) | |
dacd6cee | 118 | goto fail; |
722b6795 ZJS |
119 | |
120 | fprintf(f, | |
121 | "# This is private data. Do not parse.\n" | |
122 | "LAST_CURSOR=%s\n", | |
123 | u->last_cursor); | |
124 | ||
dacd6cee LP |
125 | r = fflush_and_check(f); |
126 | if (r < 0) | |
127 | goto fail; | |
722b6795 | 128 | |
dacd6cee | 129 | if (rename(temp_path, u->state_file) < 0) { |
722b6795 | 130 | r = -errno; |
dacd6cee | 131 | goto fail; |
722b6795 ZJS |
132 | } |
133 | ||
dacd6cee LP |
134 | return 0; |
135 | ||
136 | fail: | |
137 | if (temp_path) | |
138 | (void) unlink(temp_path); | |
139 | ||
140 | (void) unlink(u->state_file); | |
722b6795 | 141 | |
dacd6cee | 142 | return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
143 | } |
144 | ||
145 | static int load_cursor_state(Uploader *u) { | |
146 | int r; | |
147 | ||
148 | if (!u->state_file) | |
149 | return 0; | |
150 | ||
13df9c39 | 151 | r = parse_env_file(NULL, u->state_file, "LAST_CURSOR", &u->last_cursor); |
36d4739a ZJS |
152 | if (r == -ENOENT) |
153 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
154 | else if (r < 0) |
155 | return log_error_errno(r, "Failed to read state file %s: %m", | |
156 | u->state_file); | |
157 | else | |
36d4739a | 158 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
159 | |
160 | return 0; | |
161 | } | |
162 | ||
3d090cc6 ZJS |
163 | int start_upload(Uploader *u, |
164 | size_t (*input_callback)(void *ptr, | |
165 | size_t size, | |
166 | size_t nmemb, | |
167 | void *userdata), | |
168 | void *data) { | |
169 | CURLcode code; | |
170 | ||
171 | assert(u); | |
172 | assert(input_callback); | |
173 | ||
174 | if (!u->header) { | |
175 | struct curl_slist *h; | |
176 | ||
177 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
178 | if (!h) | |
179 | return log_oom(); | |
180 | ||
181 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
182 | if (!h) { | |
183 | curl_slist_free_all(h); | |
184 | return log_oom(); | |
185 | } | |
186 | ||
187 | h = curl_slist_append(h, "Accept: text/plain"); | |
188 | if (!h) { | |
189 | curl_slist_free_all(h); | |
190 | return log_oom(); | |
191 | } | |
192 | ||
193 | u->header = h; | |
194 | } | |
195 | ||
196 | if (!u->easy) { | |
197 | CURL *curl; | |
198 | ||
199 | curl = curl_easy_init(); | |
baaa35ad ZJS |
200 | if (!curl) |
201 | return log_error_errno(SYNTHETIC_ERRNO(ENOSR), | |
202 | "Call to curl_easy_init failed."); | |
3d090cc6 ZJS |
203 | |
204 | /* tell it to POST to the URL */ | |
205 | easy_setopt(curl, CURLOPT_POST, 1L, | |
206 | LOG_ERR, return -EXFULL); | |
207 | ||
b88a40a7 | 208 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
209 | LOG_ERR, return -EXFULL); |
210 | ||
211 | /* set where to write to */ | |
212 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
213 | LOG_ERR, return -EXFULL); | |
214 | ||
215 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
216 | LOG_ERR, return -EXFULL); | |
217 | ||
3d090cc6 ZJS |
218 | /* set where to read from */ |
219 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
220 | LOG_ERR, return -EXFULL); | |
221 | ||
222 | easy_setopt(curl, CURLOPT_READDATA, data, | |
223 | LOG_ERR, return -EXFULL); | |
224 | ||
225 | /* use our special own mime type and chunked transfer */ | |
226 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
227 | LOG_ERR, return -EXFULL); | |
228 | ||
f1d34068 | 229 | if (DEBUG_LOGGING) |
5dabb1e0 ZJS |
230 | /* enable verbose for easier tracing */ |
231 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
232 | |
233 | easy_setopt(curl, CURLOPT_USERAGENT, | |
234 | "systemd-journal-upload " PACKAGE_STRING, | |
235 | LOG_WARNING, ); | |
236 | ||
29fc0ddc | 237 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 238 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 239 | LOG_ERR, return -EXFULL); |
29fc0ddc | 240 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
241 | LOG_ERR, return -EXFULL); |
242 | } | |
243 | ||
8847551b ZJS |
244 | if (streq_ptr(arg_trust, "all")) |
245 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
246 | LOG_ERR, return -EUCLEAN); | |
247 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 248 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
249 | LOG_ERR, return -EXFULL); |
250 | ||
251 | if (arg_key || arg_trust) | |
252 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
253 | LOG_WARNING, ); | |
254 | ||
3d090cc6 | 255 | u->easy = curl; |
eacbb4d3 ZJS |
256 | } else { |
257 | /* truncate the potential old error message */ | |
258 | u->error[0] = '\0'; | |
259 | ||
260 | free(u->answer); | |
261 | u->answer = 0; | |
3d090cc6 ZJS |
262 | } |
263 | ||
264 | /* upload to this place */ | |
265 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
baaa35ad ZJS |
266 | if (code) |
267 | return log_error_errno(SYNTHETIC_ERRNO(EXFULL), | |
268 | "curl_easy_setopt CURLOPT_URL failed: %s", | |
269 | curl_easy_strerror(code)); | |
3d090cc6 ZJS |
270 | |
271 | u->uploading = true; | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
276 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
277 | Uploader *u = userp; | |
c504106c | 278 | ssize_t n; |
3d090cc6 ZJS |
279 | |
280 | assert(u); | |
ccc0ec6f | 281 | assert(nmemb < SSIZE_MAX / size); |
3d090cc6 ZJS |
282 | |
283 | if (u->input < 0) | |
284 | return 0; | |
285 | ||
c504106c | 286 | assert(!size_multiply_overflow(size, nmemb)); |
3d090cc6 | 287 | |
c504106c LP |
288 | n = read(u->input, buf, size * nmemb); |
289 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, n); | |
290 | if (n > 0) | |
291 | return n; | |
3d090cc6 ZJS |
292 | |
293 | u->uploading = false; | |
c504106c | 294 | if (n < 0) { |
56f64d95 | 295 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
296 | return CURL_READFUNC_ABORT; |
297 | } | |
c504106c LP |
298 | |
299 | log_debug("Reached EOF"); | |
300 | close_fd_input(u); | |
301 | return 0; | |
3d090cc6 ZJS |
302 | } |
303 | ||
304 | static void close_fd_input(Uploader *u) { | |
305 | assert(u); | |
306 | ||
3ccf323d | 307 | u->input = safe_close(u->input); |
eacbb4d3 | 308 | u->timeout = 0; |
3d090cc6 ZJS |
309 | } |
310 | ||
311 | static int dispatch_fd_input(sd_event_source *event, | |
312 | int fd, | |
313 | uint32_t revents, | |
314 | void *userp) { | |
315 | Uploader *u = userp; | |
316 | ||
317 | assert(u); | |
3d090cc6 ZJS |
318 | assert(fd >= 0); |
319 | ||
8201af08 ZJS |
320 | if (revents & EPOLLHUP) { |
321 | log_debug("Received HUP"); | |
322 | close_fd_input(u); | |
323 | return 0; | |
324 | } | |
325 | ||
326 | if (!(revents & EPOLLIN)) { | |
327 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
328 | return -EINVAL; | |
329 | } | |
330 | ||
3d090cc6 ZJS |
331 | if (u->uploading) { |
332 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
333 | return 0; | |
334 | } | |
335 | ||
336 | return start_upload(u, fd_input_callback, u); | |
337 | } | |
338 | ||
339 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 340 | int fd, r = 0; |
3d090cc6 ZJS |
341 | |
342 | if (streq(filename, "-")) | |
343 | fd = STDIN_FILENO; | |
344 | else { | |
345 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
346 | if (fd < 0) |
347 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
348 | } |
349 | ||
350 | u->input = fd; | |
351 | ||
eacbb4d3 ZJS |
352 | if (arg_follow) { |
353 | r = sd_event_add_io(u->events, &u->input_event, | |
354 | fd, EPOLLIN, dispatch_fd_input, u); | |
355 | if (r < 0) { | |
eb56eb9b MS |
356 | if (r != -EPERM || arg_follow > 0) |
357 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 358 | |
eacbb4d3 ZJS |
359 | /* Normal files should just be consumed without polling. */ |
360 | r = start_upload(u, fd_input_callback, u); | |
361 | } | |
3d090cc6 | 362 | } |
eacbb4d3 | 363 | |
3d090cc6 ZJS |
364 | return r; |
365 | } | |
366 | ||
a3152e76 ZJS |
367 | static int dispatch_sigterm(sd_event_source *event, |
368 | const struct signalfd_siginfo *si, | |
369 | void *userdata) { | |
370 | Uploader *u = userdata; | |
371 | ||
372 | assert(u); | |
373 | ||
374 | log_received_signal(LOG_INFO, si); | |
375 | ||
376 | close_fd_input(u); | |
377 | close_journal_input(u); | |
378 | ||
379 | sd_event_exit(u->events, 0); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
384 | int r; |
385 | ||
386 | assert(u); | |
387 | ||
72c0a2c2 | 388 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
389 | |
390 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
391 | if (r < 0) | |
392 | return r; | |
393 | ||
394 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
395 | if (r < 0) | |
396 | return r; | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
722b6795 | 401 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 402 | int r; |
50a0b071 | 403 | const char *host, *proto = ""; |
3d090cc6 ZJS |
404 | |
405 | assert(u); | |
406 | assert(url); | |
407 | ||
408 | memzero(u, sizeof(Uploader)); | |
409 | u->input = -1; | |
410 | ||
50a0b071 ZJS |
411 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
412 | host = url; | |
413 | proto = "https://"; | |
414 | } | |
415 | ||
416 | if (strchr(host, ':')) | |
605405c6 | 417 | u->url = strjoin(proto, url, "/upload"); |
50a0b071 ZJS |
418 | else { |
419 | char *t; | |
420 | size_t x; | |
5bc89120 | 421 | |
50a0b071 ZJS |
422 | t = strdupa(url); |
423 | x = strlen(t); | |
424 | while (x > 0 && t[x - 1] == '/') | |
425 | t[x - 1] = '\0'; | |
426 | ||
605405c6 | 427 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload"); |
50a0b071 | 428 | } |
5bc89120 ZJS |
429 | if (!u->url) |
430 | return log_oom(); | |
431 | ||
722b6795 | 432 | u->state_file = state_file; |
3d090cc6 ZJS |
433 | |
434 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
435 | if (r < 0) |
436 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 437 | |
a3152e76 | 438 | r = setup_signals(u); |
eb56eb9b MS |
439 | if (r < 0) |
440 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 441 | |
0aa176a7 ZJS |
442 | (void) sd_watchdog_enabled(false, &u->watchdog_usec); |
443 | ||
722b6795 | 444 | return load_cursor_state(u); |
3d090cc6 ZJS |
445 | } |
446 | ||
447 | static void destroy_uploader(Uploader *u) { | |
448 | assert(u); | |
449 | ||
450 | curl_easy_cleanup(u->easy); | |
451 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
452 | free(u->answer); |
453 | ||
454 | free(u->last_cursor); | |
722b6795 | 455 | free(u->current_cursor); |
3d090cc6 | 456 | |
5bc89120 ZJS |
457 | free(u->url); |
458 | ||
3d090cc6 ZJS |
459 | u->input_event = sd_event_source_unref(u->input_event); |
460 | ||
461 | close_fd_input(u); | |
eacbb4d3 | 462 | close_journal_input(u); |
3d090cc6 | 463 | |
a3152e76 ZJS |
464 | sd_event_source_unref(u->sigterm_event); |
465 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
466 | sd_event_unref(u->events); |
467 | } | |
468 | ||
eacbb4d3 ZJS |
469 | static int perform_upload(Uploader *u) { |
470 | CURLcode code; | |
471 | long status; | |
472 | ||
473 | assert(u); | |
474 | ||
0aa176a7 | 475 | u->watchdog_timestamp = now(CLOCK_MONOTONIC); |
eacbb4d3 ZJS |
476 | code = curl_easy_perform(u->easy); |
477 | if (code) { | |
30776485 ZJS |
478 | if (u->error[0]) |
479 | log_error("Upload to %s failed: %.*s", | |
480 | u->url, (int) sizeof(u->error), u->error); | |
481 | else | |
482 | log_error("Upload to %s failed: %s", | |
483 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
484 | return -EIO; |
485 | } | |
486 | ||
487 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
baaa35ad ZJS |
488 | if (code) |
489 | return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN), | |
490 | "Failed to retrieve response code: %s", | |
491 | curl_easy_strerror(code)); | |
492 | ||
493 | if (status >= 300) | |
494 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
495 | "Upload to %s failed with code %ld: %s", | |
496 | u->url, status, strna(u->answer)); | |
497 | else if (status < 200) | |
498 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
499 | "Upload to %s finished with unexpected code %ld: %s", | |
500 | u->url, status, strna(u->answer)); | |
501 | else | |
1fa2f38f | 502 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 503 | status, strna(u->answer)); |
722b6795 | 504 | |
3b319885 | 505 | free_and_replace(u->last_cursor, u->current_cursor); |
722b6795 ZJS |
506 | |
507 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
508 | } |
509 | ||
29fc0ddc ZJS |
510 | static int parse_config(void) { |
511 | const ConfigTableItem items[] = { | |
512 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
513 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
514 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
515 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
516 | {}}; | |
29fc0ddc | 517 | |
43688c49 | 518 | return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-upload.conf", |
da412854 YW |
519 | CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), |
520 | "Upload\0", config_item_table_lookup, items, | |
bcde742e | 521 | CONFIG_PARSE_WARN, NULL); |
29fc0ddc ZJS |
522 | } |
523 | ||
37ec0fdd LP |
524 | static int help(void) { |
525 | _cleanup_free_ char *link = NULL; | |
526 | int r; | |
527 | ||
528 | r = terminal_urlify_man("systemd-journal-upload.service", "8", &link); | |
529 | if (r < 0) | |
530 | return log_oom(); | |
531 | ||
3d090cc6 ZJS |
532 | printf("%s -u URL {FILE|-}...\n\n" |
533 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
534 | " -h --help Show this help\n" |
535 | " --version Show package version\n" | |
50a0b071 ZJS |
536 | " -u --url=URL Upload to this address (default port " |
537 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
538 | " --key=FILENAME Specify key in PEM format (default:\n" |
539 | " \"" PRIV_KEY_FILE "\")\n" | |
540 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
541 | " \"" CERT_FILE "\")\n" | |
542 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
543 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
544 | " --system Use the system journal\n" |
545 | " --user Use the user journal for the current user\n" | |
546 | " -m --merge Use all available journals\n" | |
547 | " -M --machine=CONTAINER Operate on local container\n" | |
548 | " -D --directory=PATH Use journal files from directory\n" | |
549 | " --file=PATH Use this journal file\n" | |
550 | " --cursor=CURSOR Start at the specified cursor\n" | |
551 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
552 | " --follow[=BOOL] Do [not] wait for input\n" | |
553 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
554 | " " STATE_FILE ")\n" | |
37ec0fdd LP |
555 | "\nSee the %s for details.\n" |
556 | , program_invocation_short_name | |
557 | , link | |
558 | ); | |
559 | ||
560 | return 0; | |
3d090cc6 ZJS |
561 | } |
562 | ||
563 | static int parse_argv(int argc, char *argv[]) { | |
564 | enum { | |
565 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
566 | ARG_KEY, |
567 | ARG_CERT, | |
568 | ARG_TRUST, | |
eacbb4d3 ZJS |
569 | ARG_USER, |
570 | ARG_SYSTEM, | |
571 | ARG_FILE, | |
572 | ARG_CURSOR, | |
573 | ARG_AFTER_CURSOR, | |
574 | ARG_FOLLOW, | |
722b6795 | 575 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
576 | }; |
577 | ||
578 | static const struct option options[] = { | |
579 | { "help", no_argument, NULL, 'h' }, | |
580 | { "version", no_argument, NULL, ARG_VERSION }, | |
581 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
582 | { "key", required_argument, NULL, ARG_KEY }, |
583 | { "cert", required_argument, NULL, ARG_CERT }, | |
584 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
585 | { "system", no_argument, NULL, ARG_SYSTEM }, |
586 | { "user", no_argument, NULL, ARG_USER }, | |
587 | { "merge", no_argument, NULL, 'm' }, | |
588 | { "machine", required_argument, NULL, 'M' }, | |
589 | { "directory", required_argument, NULL, 'D' }, | |
590 | { "file", required_argument, NULL, ARG_FILE }, | |
591 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
592 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 593 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 594 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
595 | {} |
596 | }; | |
597 | ||
eacbb4d3 | 598 | int c, r; |
3d090cc6 ZJS |
599 | |
600 | assert(argc >= 0); | |
601 | assert(argv); | |
602 | ||
603 | opterr = 0; | |
604 | ||
eacbb4d3 | 605 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
606 | switch(c) { |
607 | case 'h': | |
37ec0fdd | 608 | return help(); |
3d090cc6 ZJS |
609 | |
610 | case ARG_VERSION: | |
3f6fd1ba | 611 | return version(); |
3d090cc6 ZJS |
612 | |
613 | case 'u': | |
baaa35ad ZJS |
614 | if (arg_url) |
615 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
616 | "cannot use more than one --url"); | |
3d090cc6 ZJS |
617 | |
618 | arg_url = optarg; | |
619 | break; | |
620 | ||
7449bc1f | 621 | case ARG_KEY: |
baaa35ad ZJS |
622 | if (arg_key) |
623 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
624 | "cannot use more than one --key"); | |
7449bc1f ZJS |
625 | |
626 | arg_key = optarg; | |
627 | break; | |
628 | ||
629 | case ARG_CERT: | |
baaa35ad ZJS |
630 | if (arg_cert) |
631 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
632 | "cannot use more than one --cert"); | |
7449bc1f ZJS |
633 | |
634 | arg_cert = optarg; | |
635 | break; | |
636 | ||
637 | case ARG_TRUST: | |
baaa35ad ZJS |
638 | if (arg_trust) |
639 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
640 | "cannot use more than one --trust"); | |
7449bc1f ZJS |
641 | |
642 | arg_trust = optarg; | |
643 | break; | |
644 | ||
eacbb4d3 ZJS |
645 | case ARG_SYSTEM: |
646 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
647 | break; | |
648 | ||
649 | case ARG_USER: | |
650 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
651 | break; | |
652 | ||
653 | case 'm': | |
654 | arg_merge = true; | |
655 | break; | |
656 | ||
657 | case 'M': | |
baaa35ad ZJS |
658 | if (arg_machine) |
659 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
660 | "cannot use more than one --machine/-M"); | |
eacbb4d3 ZJS |
661 | |
662 | arg_machine = optarg; | |
663 | break; | |
664 | ||
665 | case 'D': | |
baaa35ad ZJS |
666 | if (arg_directory) |
667 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
668 | "cannot use more than one --directory/-D"); | |
eacbb4d3 ZJS |
669 | |
670 | arg_directory = optarg; | |
671 | break; | |
672 | ||
673 | case ARG_FILE: | |
674 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
675 | if (r < 0) |
676 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
677 | break; |
678 | ||
679 | case ARG_CURSOR: | |
baaa35ad ZJS |
680 | if (arg_cursor) |
681 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
682 | "cannot use more than one --cursor/--after-cursor"); | |
eacbb4d3 ZJS |
683 | |
684 | arg_cursor = optarg; | |
685 | break; | |
686 | ||
687 | case ARG_AFTER_CURSOR: | |
baaa35ad ZJS |
688 | if (arg_cursor) |
689 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
690 | "cannot use more than one --cursor/--after-cursor"); | |
eacbb4d3 ZJS |
691 | |
692 | arg_cursor = optarg; | |
693 | arg_after_cursor = true; | |
694 | break; | |
695 | ||
696 | case ARG_FOLLOW: | |
dad29dff LP |
697 | if (optarg) { |
698 | r = parse_boolean(optarg); | |
baaa35ad ZJS |
699 | if (r < 0) |
700 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
701 | "Failed to parse --follow= parameter."); | |
dad29dff LP |
702 | |
703 | arg_follow = !!r; | |
704 | } else | |
705 | arg_follow = true; | |
eacbb4d3 | 706 | |
eacbb4d3 ZJS |
707 | break; |
708 | ||
722b6795 ZJS |
709 | case ARG_SAVE_STATE: |
710 | arg_save_state = optarg ?: STATE_FILE; | |
711 | break; | |
712 | ||
3d090cc6 | 713 | case '?': |
baaa35ad ZJS |
714 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
715 | "Unknown option %s.", | |
716 | argv[optind - 1]); | |
3d090cc6 ZJS |
717 | |
718 | case ':': | |
baaa35ad ZJS |
719 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
720 | "Missing argument to %s.", | |
721 | argv[optind - 1]); | |
3d090cc6 ZJS |
722 | |
723 | default: | |
724 | assert_not_reached("Unhandled option code."); | |
725 | } | |
726 | ||
baaa35ad ZJS |
727 | if (!arg_url) |
728 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
729 | "Required --url/-u option missing."); | |
3d090cc6 | 730 | |
baaa35ad ZJS |
731 | if (!!arg_key != !!arg_cert) |
732 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
733 | "Options --key and --cert must be used together."); | |
7449bc1f | 734 | |
baaa35ad ZJS |
735 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) |
736 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
737 | "Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
738 | |
739 | return 1; | |
740 | } | |
741 | ||
eacbb4d3 ZJS |
742 | static int open_journal(sd_journal **j) { |
743 | int r; | |
744 | ||
745 | if (arg_directory) | |
746 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
747 | else if (arg_file) | |
748 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
749 | else if (arg_machine) | |
750 | r = sd_journal_open_container(j, arg_machine, 0); | |
751 | else | |
752 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
753 | if (r < 0) | |
c33b3297 MS |
754 | log_error_errno(r, "Failed to open %s: %m", |
755 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
756 | return r; |
757 | } | |
3d090cc6 ZJS |
758 | |
759 | int main(int argc, char **argv) { | |
760 | Uploader u; | |
761 | int r; | |
eacbb4d3 | 762 | bool use_journal; |
3d090cc6 ZJS |
763 | |
764 | log_show_color(true); | |
765 | log_parse_environment(); | |
766 | ||
1abaf488 LP |
767 | /* The journal merging logic potentially needs a lot of fds. */ |
768 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
769 | ||
29fc0ddc | 770 | r = parse_config(); |
4015ac5c | 771 | if (r < 0) |
29fc0ddc ZJS |
772 | goto finish; |
773 | ||
3d090cc6 ZJS |
774 | r = parse_argv(argc, argv); |
775 | if (r <= 0) | |
776 | goto finish; | |
777 | ||
2cf4172a LP |
778 | sigbus_install(); |
779 | ||
722b6795 | 780 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
781 | if (r < 0) |
782 | goto cleanup; | |
783 | ||
a3152e76 ZJS |
784 | sd_event_set_watchdog(u.events, true); |
785 | ||
d71839af ZJS |
786 | r = check_cursor_updating(&u); |
787 | if (r < 0) | |
788 | goto cleanup; | |
789 | ||
3d090cc6 | 790 | log_debug("%s running as pid "PID_FMT, |
df0ff127 | 791 | program_invocation_short_name, getpid_cached()); |
eacbb4d3 ZJS |
792 | |
793 | use_journal = optind >= argc; | |
794 | if (use_journal) { | |
795 | sd_journal *j; | |
796 | r = open_journal(&j); | |
797 | if (r < 0) | |
798 | goto finish; | |
799 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
800 | arg_cursor ?: u.last_cursor, |
801 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
802 | !!arg_follow); |
803 | if (r < 0) | |
804 | goto finish; | |
805 | } | |
806 | ||
3d090cc6 ZJS |
807 | sd_notify(false, |
808 | "READY=1\n" | |
809 | "STATUS=Processing input..."); | |
810 | ||
57255510 | 811 | for (;;) { |
36d4739a ZJS |
812 | r = sd_event_get_state(u.events); |
813 | if (r < 0) | |
814 | break; | |
815 | if (r == SD_EVENT_FINISHED) | |
816 | break; | |
817 | ||
eacbb4d3 ZJS |
818 | if (use_journal) { |
819 | if (!u.journal) | |
820 | break; | |
821 | ||
822 | r = check_journal_input(&u); | |
823 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
824 | if (optind >= argc) |
825 | break; | |
826 | ||
827 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 828 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 829 | } |
eacbb4d3 ZJS |
830 | if (r < 0) |
831 | goto cleanup; | |
3d090cc6 | 832 | |
3d090cc6 | 833 | if (u.uploading) { |
eacbb4d3 ZJS |
834 | r = perform_upload(&u); |
835 | if (r < 0) | |
3d090cc6 | 836 | break; |
3d090cc6 ZJS |
837 | } |
838 | ||
eacbb4d3 | 839 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 840 | if (r < 0) { |
da927ba9 | 841 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
842 | break; |
843 | } | |
844 | } | |
845 | ||
846 | cleanup: | |
af4ec430 LP |
847 | sd_notify(false, |
848 | "STOPPING=1\n" | |
849 | "STATUS=Shutting down..."); | |
850 | ||
3d090cc6 ZJS |
851 | destroy_uploader(&u); |
852 | ||
853 | finish: | |
36d4739a | 854 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 855 | } |