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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" |
49fe5c09 | 28 | #include "strv.h" |
e4de7287 | 29 | #include "tmpfile-util.h" |
3f6fd1ba | 30 | #include "util.h" |
3d090cc6 | 31 | |
799a8f39 ZJS |
32 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
33 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
34 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 35 | #define DEFAULT_PORT 19532 |
29fc0ddc | 36 | |
2cf4172a | 37 | static const char* arg_url = NULL; |
7449bc1f ZJS |
38 | static const char *arg_key = NULL; |
39 | static const char *arg_cert = NULL; | |
40 | static const char *arg_trust = NULL; | |
eacbb4d3 ZJS |
41 | static const char *arg_directory = NULL; |
42 | static char **arg_file = NULL; | |
43 | static const char *arg_cursor = NULL; | |
44 | static bool arg_after_cursor = false; | |
45 | static int arg_journal_type = 0; | |
46 | static const char *arg_machine = NULL; | |
47 | static bool arg_merge = false; | |
48 | static int arg_follow = -1; | |
722b6795 | 49 | static const char *arg_save_state = NULL; |
eacbb4d3 | 50 | |
2cf4172a LP |
51 | static void close_fd_input(Uploader *u); |
52 | ||
eacbb4d3 ZJS |
53 | #define SERVER_ANSWER_KEEP 2048 |
54 | ||
722b6795 ZJS |
55 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
56 | ||
3d090cc6 | 57 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 58 | do { \ |
3d090cc6 ZJS |
59 | code = curl_easy_setopt(curl, opt, value); \ |
60 | if (code) { \ | |
61 | log_full(level, \ | |
62 | "curl_easy_setopt " #opt " failed: %s", \ | |
63 | curl_easy_strerror(code)); \ | |
64 | cmd; \ | |
65 | } \ | |
9ed794a3 | 66 | } while (0) |
3d090cc6 | 67 | |
eacbb4d3 ZJS |
68 | static size_t output_callback(char *buf, |
69 | size_t size, | |
70 | size_t nmemb, | |
71 | void *userp) { | |
72 | Uploader *u = userp; | |
73 | ||
74 | assert(u); | |
75 | ||
76 | log_debug("The server answers (%zu bytes): %.*s", | |
77 | size*nmemb, (int)(size*nmemb), buf); | |
78 | ||
79 | if (nmemb && !u->answer) { | |
80 | u->answer = strndup(buf, size*nmemb); | |
81 | if (!u->answer) | |
d4e98880 | 82 | log_warning("Failed to store server answer (%zu bytes): out of memory", size*nmemb); |
eacbb4d3 ZJS |
83 | } |
84 | ||
85 | return size * nmemb; | |
86 | } | |
87 | ||
d71839af ZJS |
88 | static int check_cursor_updating(Uploader *u) { |
89 | _cleanup_free_ char *temp_path = NULL; | |
90 | _cleanup_fclose_ FILE *f = NULL; | |
91 | int r; | |
92 | ||
93 | if (!u->state_file) | |
94 | return 0; | |
95 | ||
96 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
97 | if (r < 0) |
98 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
99 | u->state_file); | |
d71839af ZJS |
100 | |
101 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
102 | if (r < 0) |
103 | return log_error_errno(r, "Cannot save state to %s: %m", | |
104 | u->state_file); | |
d71839af ZJS |
105 | unlink(temp_path); |
106 | ||
107 | return 0; | |
108 | } | |
109 | ||
722b6795 ZJS |
110 | static int update_cursor_state(Uploader *u) { |
111 | _cleanup_free_ char *temp_path = NULL; | |
112 | _cleanup_fclose_ FILE *f = NULL; | |
113 | int r; | |
114 | ||
115 | if (!u->state_file || !u->last_cursor) | |
116 | return 0; | |
117 | ||
118 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
119 | if (r < 0) | |
dacd6cee | 120 | goto fail; |
722b6795 ZJS |
121 | |
122 | fprintf(f, | |
123 | "# This is private data. Do not parse.\n" | |
124 | "LAST_CURSOR=%s\n", | |
125 | u->last_cursor); | |
126 | ||
dacd6cee LP |
127 | r = fflush_and_check(f); |
128 | if (r < 0) | |
129 | goto fail; | |
722b6795 | 130 | |
dacd6cee | 131 | if (rename(temp_path, u->state_file) < 0) { |
722b6795 | 132 | r = -errno; |
dacd6cee | 133 | goto fail; |
722b6795 ZJS |
134 | } |
135 | ||
dacd6cee LP |
136 | return 0; |
137 | ||
138 | fail: | |
139 | if (temp_path) | |
140 | (void) unlink(temp_path); | |
141 | ||
142 | (void) unlink(u->state_file); | |
722b6795 | 143 | |
dacd6cee | 144 | return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
145 | } |
146 | ||
147 | static int load_cursor_state(Uploader *u) { | |
148 | int r; | |
149 | ||
150 | if (!u->state_file) | |
151 | return 0; | |
152 | ||
13df9c39 | 153 | r = parse_env_file(NULL, u->state_file, "LAST_CURSOR", &u->last_cursor); |
36d4739a ZJS |
154 | if (r == -ENOENT) |
155 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
156 | else if (r < 0) |
157 | return log_error_errno(r, "Failed to read state file %s: %m", | |
158 | u->state_file); | |
159 | else | |
36d4739a | 160 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
161 | |
162 | return 0; | |
163 | } | |
164 | ||
3d090cc6 ZJS |
165 | int start_upload(Uploader *u, |
166 | size_t (*input_callback)(void *ptr, | |
167 | size_t size, | |
168 | size_t nmemb, | |
169 | void *userdata), | |
170 | void *data) { | |
171 | CURLcode code; | |
172 | ||
173 | assert(u); | |
174 | assert(input_callback); | |
175 | ||
176 | if (!u->header) { | |
177 | struct curl_slist *h; | |
178 | ||
179 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
180 | if (!h) | |
181 | return log_oom(); | |
182 | ||
183 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
184 | if (!h) { | |
185 | curl_slist_free_all(h); | |
186 | return log_oom(); | |
187 | } | |
188 | ||
189 | h = curl_slist_append(h, "Accept: text/plain"); | |
190 | if (!h) { | |
191 | curl_slist_free_all(h); | |
192 | return log_oom(); | |
193 | } | |
194 | ||
195 | u->header = h; | |
196 | } | |
197 | ||
198 | if (!u->easy) { | |
199 | CURL *curl; | |
200 | ||
201 | curl = curl_easy_init(); | |
baaa35ad ZJS |
202 | if (!curl) |
203 | return log_error_errno(SYNTHETIC_ERRNO(ENOSR), | |
204 | "Call to curl_easy_init failed."); | |
3d090cc6 ZJS |
205 | |
206 | /* tell it to POST to the URL */ | |
207 | easy_setopt(curl, CURLOPT_POST, 1L, | |
208 | LOG_ERR, return -EXFULL); | |
209 | ||
b88a40a7 | 210 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
211 | LOG_ERR, return -EXFULL); |
212 | ||
213 | /* set where to write to */ | |
214 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
215 | LOG_ERR, return -EXFULL); | |
216 | ||
217 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
218 | LOG_ERR, return -EXFULL); | |
219 | ||
3d090cc6 ZJS |
220 | /* set where to read from */ |
221 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
222 | LOG_ERR, return -EXFULL); | |
223 | ||
224 | easy_setopt(curl, CURLOPT_READDATA, data, | |
225 | LOG_ERR, return -EXFULL); | |
226 | ||
227 | /* use our special own mime type and chunked transfer */ | |
228 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
229 | LOG_ERR, return -EXFULL); | |
230 | ||
f1d34068 | 231 | if (DEBUG_LOGGING) |
5dabb1e0 ZJS |
232 | /* enable verbose for easier tracing */ |
233 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
234 | |
235 | easy_setopt(curl, CURLOPT_USERAGENT, | |
236 | "systemd-journal-upload " PACKAGE_STRING, | |
237 | LOG_WARNING, ); | |
238 | ||
29fc0ddc | 239 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 240 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 241 | LOG_ERR, return -EXFULL); |
29fc0ddc | 242 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
243 | LOG_ERR, return -EXFULL); |
244 | } | |
245 | ||
8847551b ZJS |
246 | if (streq_ptr(arg_trust, "all")) |
247 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
248 | LOG_ERR, return -EUCLEAN); | |
249 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 250 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
251 | LOG_ERR, return -EXFULL); |
252 | ||
253 | if (arg_key || arg_trust) | |
254 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
255 | LOG_WARNING, ); | |
256 | ||
3d090cc6 | 257 | u->easy = curl; |
eacbb4d3 ZJS |
258 | } else { |
259 | /* truncate the potential old error message */ | |
260 | u->error[0] = '\0'; | |
261 | ||
262 | free(u->answer); | |
263 | u->answer = 0; | |
3d090cc6 ZJS |
264 | } |
265 | ||
266 | /* upload to this place */ | |
267 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
baaa35ad ZJS |
268 | if (code) |
269 | return log_error_errno(SYNTHETIC_ERRNO(EXFULL), | |
270 | "curl_easy_setopt CURLOPT_URL failed: %s", | |
271 | curl_easy_strerror(code)); | |
3d090cc6 ZJS |
272 | |
273 | u->uploading = true; | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
278 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
279 | Uploader *u = userp; | |
c504106c | 280 | ssize_t n; |
3d090cc6 ZJS |
281 | |
282 | assert(u); | |
ccc0ec6f | 283 | assert(nmemb < SSIZE_MAX / size); |
3d090cc6 ZJS |
284 | |
285 | if (u->input < 0) | |
286 | return 0; | |
287 | ||
c504106c | 288 | assert(!size_multiply_overflow(size, nmemb)); |
3d090cc6 | 289 | |
c504106c LP |
290 | n = read(u->input, buf, size * nmemb); |
291 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, n); | |
292 | if (n > 0) | |
293 | return n; | |
3d090cc6 ZJS |
294 | |
295 | u->uploading = false; | |
c504106c | 296 | if (n < 0) { |
56f64d95 | 297 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
298 | return CURL_READFUNC_ABORT; |
299 | } | |
c504106c LP |
300 | |
301 | log_debug("Reached EOF"); | |
302 | close_fd_input(u); | |
303 | return 0; | |
3d090cc6 ZJS |
304 | } |
305 | ||
306 | static void close_fd_input(Uploader *u) { | |
307 | assert(u); | |
308 | ||
3ccf323d | 309 | u->input = safe_close(u->input); |
eacbb4d3 | 310 | u->timeout = 0; |
3d090cc6 ZJS |
311 | } |
312 | ||
313 | static int dispatch_fd_input(sd_event_source *event, | |
314 | int fd, | |
315 | uint32_t revents, | |
316 | void *userp) { | |
317 | Uploader *u = userp; | |
318 | ||
319 | assert(u); | |
3d090cc6 ZJS |
320 | assert(fd >= 0); |
321 | ||
8201af08 ZJS |
322 | if (revents & EPOLLHUP) { |
323 | log_debug("Received HUP"); | |
324 | close_fd_input(u); | |
325 | return 0; | |
326 | } | |
327 | ||
328 | if (!(revents & EPOLLIN)) { | |
329 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
330 | return -EINVAL; | |
331 | } | |
332 | ||
3d090cc6 ZJS |
333 | if (u->uploading) { |
334 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
335 | return 0; | |
336 | } | |
337 | ||
338 | return start_upload(u, fd_input_callback, u); | |
339 | } | |
340 | ||
341 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 342 | int fd, r = 0; |
3d090cc6 ZJS |
343 | |
344 | if (streq(filename, "-")) | |
345 | fd = STDIN_FILENO; | |
346 | else { | |
347 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
348 | if (fd < 0) |
349 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
350 | } |
351 | ||
352 | u->input = fd; | |
353 | ||
eacbb4d3 ZJS |
354 | if (arg_follow) { |
355 | r = sd_event_add_io(u->events, &u->input_event, | |
356 | fd, EPOLLIN, dispatch_fd_input, u); | |
357 | if (r < 0) { | |
eb56eb9b MS |
358 | if (r != -EPERM || arg_follow > 0) |
359 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 360 | |
eacbb4d3 ZJS |
361 | /* Normal files should just be consumed without polling. */ |
362 | r = start_upload(u, fd_input_callback, u); | |
363 | } | |
3d090cc6 | 364 | } |
eacbb4d3 | 365 | |
3d090cc6 ZJS |
366 | return r; |
367 | } | |
368 | ||
a3152e76 ZJS |
369 | static int dispatch_sigterm(sd_event_source *event, |
370 | const struct signalfd_siginfo *si, | |
371 | void *userdata) { | |
372 | Uploader *u = userdata; | |
373 | ||
374 | assert(u); | |
375 | ||
376 | log_received_signal(LOG_INFO, si); | |
377 | ||
378 | close_fd_input(u); | |
379 | close_journal_input(u); | |
380 | ||
381 | sd_event_exit(u->events, 0); | |
382 | return 0; | |
383 | } | |
384 | ||
385 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
386 | int r; |
387 | ||
388 | assert(u); | |
389 | ||
72c0a2c2 | 390 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
391 | |
392 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
393 | if (r < 0) | |
394 | return r; | |
395 | ||
396 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
397 | if (r < 0) | |
398 | return r; | |
399 | ||
400 | return 0; | |
401 | } | |
402 | ||
722b6795 | 403 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 404 | int r; |
50a0b071 | 405 | const char *host, *proto = ""; |
3d090cc6 ZJS |
406 | |
407 | assert(u); | |
408 | assert(url); | |
409 | ||
b48a0e09 LP |
410 | *u = (Uploader) { |
411 | .input = -1 | |
412 | }; | |
3d090cc6 | 413 | |
49fe5c09 LP |
414 | host = STARTSWITH_SET(url, "http://", "https://"); |
415 | if (!host) { | |
50a0b071 ZJS |
416 | host = url; |
417 | proto = "https://"; | |
418 | } | |
419 | ||
420 | if (strchr(host, ':')) | |
605405c6 | 421 | u->url = strjoin(proto, url, "/upload"); |
50a0b071 ZJS |
422 | else { |
423 | char *t; | |
424 | size_t x; | |
5bc89120 | 425 | |
50a0b071 ZJS |
426 | t = strdupa(url); |
427 | x = strlen(t); | |
428 | while (x > 0 && t[x - 1] == '/') | |
429 | t[x - 1] = '\0'; | |
430 | ||
605405c6 | 431 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload"); |
50a0b071 | 432 | } |
5bc89120 ZJS |
433 | if (!u->url) |
434 | return log_oom(); | |
435 | ||
722b6795 | 436 | u->state_file = state_file; |
3d090cc6 ZJS |
437 | |
438 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
439 | if (r < 0) |
440 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 441 | |
a3152e76 | 442 | r = setup_signals(u); |
eb56eb9b MS |
443 | if (r < 0) |
444 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 445 | |
0aa176a7 ZJS |
446 | (void) sd_watchdog_enabled(false, &u->watchdog_usec); |
447 | ||
722b6795 | 448 | return load_cursor_state(u); |
3d090cc6 ZJS |
449 | } |
450 | ||
451 | static void destroy_uploader(Uploader *u) { | |
452 | assert(u); | |
453 | ||
454 | curl_easy_cleanup(u->easy); | |
455 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
456 | free(u->answer); |
457 | ||
458 | free(u->last_cursor); | |
722b6795 | 459 | free(u->current_cursor); |
3d090cc6 | 460 | |
5bc89120 ZJS |
461 | free(u->url); |
462 | ||
3d090cc6 ZJS |
463 | u->input_event = sd_event_source_unref(u->input_event); |
464 | ||
465 | close_fd_input(u); | |
eacbb4d3 | 466 | close_journal_input(u); |
3d090cc6 | 467 | |
a3152e76 ZJS |
468 | sd_event_source_unref(u->sigterm_event); |
469 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
470 | sd_event_unref(u->events); |
471 | } | |
472 | ||
eacbb4d3 ZJS |
473 | static int perform_upload(Uploader *u) { |
474 | CURLcode code; | |
475 | long status; | |
476 | ||
477 | assert(u); | |
478 | ||
0aa176a7 | 479 | u->watchdog_timestamp = now(CLOCK_MONOTONIC); |
eacbb4d3 ZJS |
480 | code = curl_easy_perform(u->easy); |
481 | if (code) { | |
30776485 ZJS |
482 | if (u->error[0]) |
483 | log_error("Upload to %s failed: %.*s", | |
484 | u->url, (int) sizeof(u->error), u->error); | |
485 | else | |
486 | log_error("Upload to %s failed: %s", | |
487 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
488 | return -EIO; |
489 | } | |
490 | ||
491 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
baaa35ad ZJS |
492 | if (code) |
493 | return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN), | |
494 | "Failed to retrieve response code: %s", | |
495 | curl_easy_strerror(code)); | |
496 | ||
497 | if (status >= 300) | |
498 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
499 | "Upload to %s failed with code %ld: %s", | |
500 | u->url, status, strna(u->answer)); | |
501 | else if (status < 200) | |
502 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
503 | "Upload to %s finished with unexpected code %ld: %s", | |
504 | u->url, status, strna(u->answer)); | |
505 | else | |
1fa2f38f | 506 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 507 | status, strna(u->answer)); |
722b6795 | 508 | |
3b319885 | 509 | free_and_replace(u->last_cursor, u->current_cursor); |
722b6795 ZJS |
510 | |
511 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
512 | } |
513 | ||
29fc0ddc ZJS |
514 | static int parse_config(void) { |
515 | const ConfigTableItem items[] = { | |
516 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
517 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
518 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
519 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
520 | {}}; | |
29fc0ddc | 521 | |
43688c49 | 522 | return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-upload.conf", |
da412854 YW |
523 | CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), |
524 | "Upload\0", config_item_table_lookup, items, | |
bcde742e | 525 | CONFIG_PARSE_WARN, NULL); |
29fc0ddc ZJS |
526 | } |
527 | ||
37ec0fdd LP |
528 | static int help(void) { |
529 | _cleanup_free_ char *link = NULL; | |
530 | int r; | |
531 | ||
532 | r = terminal_urlify_man("systemd-journal-upload.service", "8", &link); | |
533 | if (r < 0) | |
534 | return log_oom(); | |
535 | ||
3d090cc6 ZJS |
536 | printf("%s -u URL {FILE|-}...\n\n" |
537 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
538 | " -h --help Show this help\n" |
539 | " --version Show package version\n" | |
50a0b071 ZJS |
540 | " -u --url=URL Upload to this address (default port " |
541 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
542 | " --key=FILENAME Specify key in PEM format (default:\n" |
543 | " \"" PRIV_KEY_FILE "\")\n" | |
544 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
545 | " \"" CERT_FILE "\")\n" | |
546 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
547 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
548 | " --system Use the system journal\n" |
549 | " --user Use the user journal for the current user\n" | |
550 | " -m --merge Use all available journals\n" | |
551 | " -M --machine=CONTAINER Operate on local container\n" | |
552 | " -D --directory=PATH Use journal files from directory\n" | |
553 | " --file=PATH Use this journal file\n" | |
554 | " --cursor=CURSOR Start at the specified cursor\n" | |
555 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
556 | " --follow[=BOOL] Do [not] wait for input\n" | |
557 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
558 | " " STATE_FILE ")\n" | |
37ec0fdd LP |
559 | "\nSee the %s for details.\n" |
560 | , program_invocation_short_name | |
561 | , link | |
562 | ); | |
563 | ||
564 | return 0; | |
3d090cc6 ZJS |
565 | } |
566 | ||
567 | static int parse_argv(int argc, char *argv[]) { | |
568 | enum { | |
569 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
570 | ARG_KEY, |
571 | ARG_CERT, | |
572 | ARG_TRUST, | |
eacbb4d3 ZJS |
573 | ARG_USER, |
574 | ARG_SYSTEM, | |
575 | ARG_FILE, | |
576 | ARG_CURSOR, | |
577 | ARG_AFTER_CURSOR, | |
578 | ARG_FOLLOW, | |
722b6795 | 579 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
580 | }; |
581 | ||
582 | static const struct option options[] = { | |
583 | { "help", no_argument, NULL, 'h' }, | |
584 | { "version", no_argument, NULL, ARG_VERSION }, | |
585 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
586 | { "key", required_argument, NULL, ARG_KEY }, |
587 | { "cert", required_argument, NULL, ARG_CERT }, | |
588 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
589 | { "system", no_argument, NULL, ARG_SYSTEM }, |
590 | { "user", no_argument, NULL, ARG_USER }, | |
591 | { "merge", no_argument, NULL, 'm' }, | |
592 | { "machine", required_argument, NULL, 'M' }, | |
593 | { "directory", required_argument, NULL, 'D' }, | |
594 | { "file", required_argument, NULL, ARG_FILE }, | |
595 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
596 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 597 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 598 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
599 | {} |
600 | }; | |
601 | ||
eacbb4d3 | 602 | int c, r; |
3d090cc6 ZJS |
603 | |
604 | assert(argc >= 0); | |
605 | assert(argv); | |
606 | ||
607 | opterr = 0; | |
608 | ||
eacbb4d3 | 609 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
610 | switch(c) { |
611 | case 'h': | |
37ec0fdd | 612 | return help(); |
3d090cc6 ZJS |
613 | |
614 | case ARG_VERSION: | |
3f6fd1ba | 615 | return version(); |
3d090cc6 ZJS |
616 | |
617 | case 'u': | |
baaa35ad ZJS |
618 | if (arg_url) |
619 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
620 | "cannot use more than one --url"); | |
3d090cc6 ZJS |
621 | |
622 | arg_url = optarg; | |
623 | break; | |
624 | ||
7449bc1f | 625 | case ARG_KEY: |
baaa35ad ZJS |
626 | if (arg_key) |
627 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
628 | "cannot use more than one --key"); | |
7449bc1f ZJS |
629 | |
630 | arg_key = optarg; | |
631 | break; | |
632 | ||
633 | case ARG_CERT: | |
baaa35ad ZJS |
634 | if (arg_cert) |
635 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
636 | "cannot use more than one --cert"); | |
7449bc1f ZJS |
637 | |
638 | arg_cert = optarg; | |
639 | break; | |
640 | ||
641 | case ARG_TRUST: | |
baaa35ad ZJS |
642 | if (arg_trust) |
643 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
644 | "cannot use more than one --trust"); | |
7449bc1f ZJS |
645 | |
646 | arg_trust = optarg; | |
647 | break; | |
648 | ||
eacbb4d3 ZJS |
649 | case ARG_SYSTEM: |
650 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
651 | break; | |
652 | ||
653 | case ARG_USER: | |
654 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
655 | break; | |
656 | ||
657 | case 'm': | |
658 | arg_merge = true; | |
659 | break; | |
660 | ||
661 | case 'M': | |
baaa35ad ZJS |
662 | if (arg_machine) |
663 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
664 | "cannot use more than one --machine/-M"); | |
eacbb4d3 ZJS |
665 | |
666 | arg_machine = optarg; | |
667 | break; | |
668 | ||
669 | case 'D': | |
baaa35ad ZJS |
670 | if (arg_directory) |
671 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
672 | "cannot use more than one --directory/-D"); | |
eacbb4d3 ZJS |
673 | |
674 | arg_directory = optarg; | |
675 | break; | |
676 | ||
677 | case ARG_FILE: | |
678 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
679 | if (r < 0) |
680 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
681 | break; |
682 | ||
683 | case ARG_CURSOR: | |
baaa35ad ZJS |
684 | if (arg_cursor) |
685 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
686 | "cannot use more than one --cursor/--after-cursor"); | |
eacbb4d3 ZJS |
687 | |
688 | arg_cursor = optarg; | |
689 | break; | |
690 | ||
691 | case ARG_AFTER_CURSOR: | |
baaa35ad ZJS |
692 | if (arg_cursor) |
693 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
694 | "cannot use more than one --cursor/--after-cursor"); | |
eacbb4d3 ZJS |
695 | |
696 | arg_cursor = optarg; | |
697 | arg_after_cursor = true; | |
698 | break; | |
699 | ||
700 | case ARG_FOLLOW: | |
dad29dff LP |
701 | if (optarg) { |
702 | r = parse_boolean(optarg); | |
baaa35ad ZJS |
703 | if (r < 0) |
704 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
705 | "Failed to parse --follow= parameter."); | |
dad29dff LP |
706 | |
707 | arg_follow = !!r; | |
708 | } else | |
709 | arg_follow = true; | |
eacbb4d3 | 710 | |
eacbb4d3 ZJS |
711 | break; |
712 | ||
722b6795 ZJS |
713 | case ARG_SAVE_STATE: |
714 | arg_save_state = optarg ?: STATE_FILE; | |
715 | break; | |
716 | ||
3d090cc6 | 717 | case '?': |
baaa35ad ZJS |
718 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
719 | "Unknown option %s.", | |
720 | argv[optind - 1]); | |
3d090cc6 ZJS |
721 | |
722 | case ':': | |
baaa35ad ZJS |
723 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
724 | "Missing argument to %s.", | |
725 | argv[optind - 1]); | |
3d090cc6 ZJS |
726 | |
727 | default: | |
728 | assert_not_reached("Unhandled option code."); | |
729 | } | |
730 | ||
baaa35ad ZJS |
731 | if (!arg_url) |
732 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
733 | "Required --url/-u option missing."); | |
3d090cc6 | 734 | |
baaa35ad ZJS |
735 | if (!!arg_key != !!arg_cert) |
736 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
737 | "Options --key and --cert must be used together."); | |
7449bc1f | 738 | |
baaa35ad ZJS |
739 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) |
740 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
741 | "Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
742 | |
743 | return 1; | |
744 | } | |
745 | ||
eacbb4d3 ZJS |
746 | static int open_journal(sd_journal **j) { |
747 | int r; | |
748 | ||
749 | if (arg_directory) | |
750 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
751 | else if (arg_file) | |
752 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
753 | else if (arg_machine) | |
754 | r = sd_journal_open_container(j, arg_machine, 0); | |
755 | else | |
756 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
757 | if (r < 0) | |
c33b3297 MS |
758 | log_error_errno(r, "Failed to open %s: %m", |
759 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
760 | return r; |
761 | } | |
3d090cc6 ZJS |
762 | |
763 | int main(int argc, char **argv) { | |
764 | Uploader u; | |
765 | int r; | |
eacbb4d3 | 766 | bool use_journal; |
3d090cc6 ZJS |
767 | |
768 | log_show_color(true); | |
769 | log_parse_environment(); | |
770 | ||
1abaf488 LP |
771 | /* The journal merging logic potentially needs a lot of fds. */ |
772 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
773 | ||
29fc0ddc | 774 | r = parse_config(); |
4015ac5c | 775 | if (r < 0) |
29fc0ddc ZJS |
776 | goto finish; |
777 | ||
3d090cc6 ZJS |
778 | r = parse_argv(argc, argv); |
779 | if (r <= 0) | |
780 | goto finish; | |
781 | ||
2cf4172a LP |
782 | sigbus_install(); |
783 | ||
722b6795 | 784 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
785 | if (r < 0) |
786 | goto cleanup; | |
787 | ||
a3152e76 ZJS |
788 | sd_event_set_watchdog(u.events, true); |
789 | ||
d71839af ZJS |
790 | r = check_cursor_updating(&u); |
791 | if (r < 0) | |
792 | goto cleanup; | |
793 | ||
3d090cc6 | 794 | log_debug("%s running as pid "PID_FMT, |
df0ff127 | 795 | program_invocation_short_name, getpid_cached()); |
eacbb4d3 ZJS |
796 | |
797 | use_journal = optind >= argc; | |
798 | if (use_journal) { | |
799 | sd_journal *j; | |
800 | r = open_journal(&j); | |
801 | if (r < 0) | |
802 | goto finish; | |
803 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
804 | arg_cursor ?: u.last_cursor, |
805 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
806 | !!arg_follow); |
807 | if (r < 0) | |
808 | goto finish; | |
809 | } | |
810 | ||
3d090cc6 ZJS |
811 | sd_notify(false, |
812 | "READY=1\n" | |
813 | "STATUS=Processing input..."); | |
814 | ||
57255510 | 815 | for (;;) { |
36d4739a ZJS |
816 | r = sd_event_get_state(u.events); |
817 | if (r < 0) | |
818 | break; | |
819 | if (r == SD_EVENT_FINISHED) | |
820 | break; | |
821 | ||
eacbb4d3 ZJS |
822 | if (use_journal) { |
823 | if (!u.journal) | |
824 | break; | |
825 | ||
826 | r = check_journal_input(&u); | |
827 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
828 | if (optind >= argc) |
829 | break; | |
830 | ||
831 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 832 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 833 | } |
eacbb4d3 ZJS |
834 | if (r < 0) |
835 | goto cleanup; | |
3d090cc6 | 836 | |
3d090cc6 | 837 | if (u.uploading) { |
eacbb4d3 ZJS |
838 | r = perform_upload(&u); |
839 | if (r < 0) | |
3d090cc6 | 840 | break; |
3d090cc6 ZJS |
841 | } |
842 | ||
eacbb4d3 | 843 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 844 | if (r < 0) { |
da927ba9 | 845 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
846 | break; |
847 | } | |
848 | } | |
849 | ||
850 | cleanup: | |
af4ec430 LP |
851 | sd_notify(false, |
852 | "STOPPING=1\n" | |
853 | "STATUS=Shutting down..."); | |
854 | ||
3d090cc6 ZJS |
855 | destroy_uploader(&u); |
856 | ||
857 | finish: | |
36d4739a | 858 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 859 | } |