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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3d090cc6 | 2 | /*** |
96b2fb93 | 3 | Copyright © 2014 Zbigniew Jędrzejewski-Szmek |
3d090cc6 ZJS |
4 | ***/ |
5 | ||
07630cea | 6 | #include <curl/curl.h> |
3d090cc6 ZJS |
7 | #include <fcntl.h> |
8 | #include <getopt.h> | |
3f6fd1ba LP |
9 | #include <stdio.h> |
10 | #include <sys/stat.h> | |
3d090cc6 ZJS |
11 | |
12 | #include "sd-daemon.h" | |
3f6fd1ba | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
3f6fd1ba | 15 | #include "conf-parser.h" |
a0f29c76 | 16 | #include "def.h" |
3ffd4af2 | 17 | #include "fd-util.h" |
722b6795 | 18 | #include "fileio.h" |
f97b34a6 | 19 | #include "format-util.h" |
7d50b32a | 20 | #include "glob-util.h" |
3ffd4af2 | 21 | #include "journal-upload.h" |
3f6fd1ba | 22 | #include "log.h" |
d71839af | 23 | #include "mkdir.h" |
6bedfcbb | 24 | #include "parse-util.h" |
dccca82b | 25 | #include "process-util.h" |
2cf4172a | 26 | #include "sigbus.h" |
24882e06 | 27 | #include "signal-util.h" |
07630cea | 28 | #include "string-util.h" |
3f6fd1ba | 29 | #include "util.h" |
3d090cc6 | 30 | |
799a8f39 ZJS |
31 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
32 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
33 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 34 | #define DEFAULT_PORT 19532 |
29fc0ddc | 35 | |
2cf4172a | 36 | static const char* arg_url = NULL; |
7449bc1f ZJS |
37 | static const char *arg_key = NULL; |
38 | static const char *arg_cert = NULL; | |
39 | static const char *arg_trust = NULL; | |
eacbb4d3 ZJS |
40 | static const char *arg_directory = NULL; |
41 | static char **arg_file = NULL; | |
42 | static const char *arg_cursor = NULL; | |
43 | static bool arg_after_cursor = false; | |
44 | static int arg_journal_type = 0; | |
45 | static const char *arg_machine = NULL; | |
46 | static bool arg_merge = false; | |
47 | static int arg_follow = -1; | |
722b6795 | 48 | static const char *arg_save_state = NULL; |
eacbb4d3 | 49 | |
2cf4172a LP |
50 | static void close_fd_input(Uploader *u); |
51 | ||
eacbb4d3 ZJS |
52 | #define SERVER_ANSWER_KEEP 2048 |
53 | ||
722b6795 ZJS |
54 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
55 | ||
3d090cc6 | 56 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 57 | do { \ |
3d090cc6 ZJS |
58 | code = curl_easy_setopt(curl, opt, value); \ |
59 | if (code) { \ | |
60 | log_full(level, \ | |
61 | "curl_easy_setopt " #opt " failed: %s", \ | |
62 | curl_easy_strerror(code)); \ | |
63 | cmd; \ | |
64 | } \ | |
9ed794a3 | 65 | } while (0) |
3d090cc6 | 66 | |
eacbb4d3 ZJS |
67 | static size_t output_callback(char *buf, |
68 | size_t size, | |
69 | size_t nmemb, | |
70 | void *userp) { | |
71 | Uploader *u = userp; | |
72 | ||
73 | assert(u); | |
74 | ||
75 | log_debug("The server answers (%zu bytes): %.*s", | |
76 | size*nmemb, (int)(size*nmemb), buf); | |
77 | ||
78 | if (nmemb && !u->answer) { | |
79 | u->answer = strndup(buf, size*nmemb); | |
80 | if (!u->answer) | |
c33b3297 MS |
81 | log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
82 | 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 | ||
1a5a177e | 153 | r = parse_env_file(NULL, u->state_file, NEWLINE, |
722b6795 ZJS |
154 | "LAST_CURSOR", &u->last_cursor, |
155 | NULL); | |
156 | ||
36d4739a ZJS |
157 | if (r == -ENOENT) |
158 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
159 | else if (r < 0) |
160 | return log_error_errno(r, "Failed to read state file %s: %m", | |
161 | u->state_file); | |
162 | else | |
36d4739a | 163 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
164 | |
165 | return 0; | |
166 | } | |
167 | ||
3d090cc6 ZJS |
168 | int start_upload(Uploader *u, |
169 | size_t (*input_callback)(void *ptr, | |
170 | size_t size, | |
171 | size_t nmemb, | |
172 | void *userdata), | |
173 | void *data) { | |
174 | CURLcode code; | |
175 | ||
176 | assert(u); | |
177 | assert(input_callback); | |
178 | ||
179 | if (!u->header) { | |
180 | struct curl_slist *h; | |
181 | ||
182 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
183 | if (!h) | |
184 | return log_oom(); | |
185 | ||
186 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
187 | if (!h) { | |
188 | curl_slist_free_all(h); | |
189 | return log_oom(); | |
190 | } | |
191 | ||
192 | h = curl_slist_append(h, "Accept: text/plain"); | |
193 | if (!h) { | |
194 | curl_slist_free_all(h); | |
195 | return log_oom(); | |
196 | } | |
197 | ||
198 | u->header = h; | |
199 | } | |
200 | ||
201 | if (!u->easy) { | |
202 | CURL *curl; | |
203 | ||
204 | curl = curl_easy_init(); | |
205 | if (!curl) { | |
206 | log_error("Call to curl_easy_init failed."); | |
207 | return -ENOSR; | |
208 | } | |
209 | ||
210 | /* tell it to POST to the URL */ | |
211 | easy_setopt(curl, CURLOPT_POST, 1L, | |
212 | LOG_ERR, return -EXFULL); | |
213 | ||
b88a40a7 | 214 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
215 | LOG_ERR, return -EXFULL); |
216 | ||
217 | /* set where to write to */ | |
218 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
219 | LOG_ERR, return -EXFULL); | |
220 | ||
221 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
222 | LOG_ERR, return -EXFULL); | |
223 | ||
3d090cc6 ZJS |
224 | /* set where to read from */ |
225 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
226 | LOG_ERR, return -EXFULL); | |
227 | ||
228 | easy_setopt(curl, CURLOPT_READDATA, data, | |
229 | LOG_ERR, return -EXFULL); | |
230 | ||
231 | /* use our special own mime type and chunked transfer */ | |
232 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
233 | LOG_ERR, return -EXFULL); | |
234 | ||
f1d34068 | 235 | if (DEBUG_LOGGING) |
5dabb1e0 ZJS |
236 | /* enable verbose for easier tracing */ |
237 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
238 | |
239 | easy_setopt(curl, CURLOPT_USERAGENT, | |
240 | "systemd-journal-upload " PACKAGE_STRING, | |
241 | LOG_WARNING, ); | |
242 | ||
29fc0ddc | 243 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 244 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 245 | LOG_ERR, return -EXFULL); |
29fc0ddc | 246 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
247 | LOG_ERR, return -EXFULL); |
248 | } | |
249 | ||
8847551b ZJS |
250 | if (streq_ptr(arg_trust, "all")) |
251 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
252 | LOG_ERR, return -EUCLEAN); | |
253 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 254 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
255 | LOG_ERR, return -EXFULL); |
256 | ||
257 | if (arg_key || arg_trust) | |
258 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
259 | LOG_WARNING, ); | |
260 | ||
3d090cc6 | 261 | u->easy = curl; |
eacbb4d3 ZJS |
262 | } else { |
263 | /* truncate the potential old error message */ | |
264 | u->error[0] = '\0'; | |
265 | ||
266 | free(u->answer); | |
267 | u->answer = 0; | |
3d090cc6 ZJS |
268 | } |
269 | ||
270 | /* upload to this place */ | |
271 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
272 | if (code) { | |
273 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
274 | curl_easy_strerror(code)); | |
275 | return -EXFULL; | |
276 | } | |
277 | ||
278 | u->uploading = true; | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
283 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
284 | Uploader *u = userp; | |
285 | ||
286 | ssize_t r; | |
287 | ||
288 | assert(u); | |
289 | assert(nmemb <= SSIZE_MAX / size); | |
290 | ||
291 | if (u->input < 0) | |
292 | return 0; | |
293 | ||
294 | r = read(u->input, buf, size * nmemb); | |
1fa2f38f | 295 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, r); |
3d090cc6 ZJS |
296 | |
297 | if (r > 0) | |
298 | return r; | |
299 | ||
300 | u->uploading = false; | |
301 | if (r == 0) { | |
302 | log_debug("Reached EOF"); | |
303 | close_fd_input(u); | |
304 | return 0; | |
305 | } else { | |
56f64d95 | 306 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
307 | return CURL_READFUNC_ABORT; |
308 | } | |
309 | } | |
310 | ||
311 | static void close_fd_input(Uploader *u) { | |
312 | assert(u); | |
313 | ||
3ccf323d | 314 | u->input = safe_close(u->input); |
eacbb4d3 | 315 | u->timeout = 0; |
3d090cc6 ZJS |
316 | } |
317 | ||
318 | static int dispatch_fd_input(sd_event_source *event, | |
319 | int fd, | |
320 | uint32_t revents, | |
321 | void *userp) { | |
322 | Uploader *u = userp; | |
323 | ||
324 | assert(u); | |
3d090cc6 ZJS |
325 | assert(fd >= 0); |
326 | ||
8201af08 ZJS |
327 | if (revents & EPOLLHUP) { |
328 | log_debug("Received HUP"); | |
329 | close_fd_input(u); | |
330 | return 0; | |
331 | } | |
332 | ||
333 | if (!(revents & EPOLLIN)) { | |
334 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
335 | return -EINVAL; | |
336 | } | |
337 | ||
3d090cc6 ZJS |
338 | if (u->uploading) { |
339 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
340 | return 0; | |
341 | } | |
342 | ||
343 | return start_upload(u, fd_input_callback, u); | |
344 | } | |
345 | ||
346 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 347 | int fd, r = 0; |
3d090cc6 ZJS |
348 | |
349 | if (streq(filename, "-")) | |
350 | fd = STDIN_FILENO; | |
351 | else { | |
352 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
353 | if (fd < 0) |
354 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
355 | } |
356 | ||
357 | u->input = fd; | |
358 | ||
eacbb4d3 ZJS |
359 | if (arg_follow) { |
360 | r = sd_event_add_io(u->events, &u->input_event, | |
361 | fd, EPOLLIN, dispatch_fd_input, u); | |
362 | if (r < 0) { | |
eb56eb9b MS |
363 | if (r != -EPERM || arg_follow > 0) |
364 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 365 | |
eacbb4d3 ZJS |
366 | /* Normal files should just be consumed without polling. */ |
367 | r = start_upload(u, fd_input_callback, u); | |
368 | } | |
3d090cc6 | 369 | } |
eacbb4d3 | 370 | |
3d090cc6 ZJS |
371 | return r; |
372 | } | |
373 | ||
a3152e76 ZJS |
374 | static int dispatch_sigterm(sd_event_source *event, |
375 | const struct signalfd_siginfo *si, | |
376 | void *userdata) { | |
377 | Uploader *u = userdata; | |
378 | ||
379 | assert(u); | |
380 | ||
381 | log_received_signal(LOG_INFO, si); | |
382 | ||
383 | close_fd_input(u); | |
384 | close_journal_input(u); | |
385 | ||
386 | sd_event_exit(u->events, 0); | |
387 | return 0; | |
388 | } | |
389 | ||
390 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
391 | int r; |
392 | ||
393 | assert(u); | |
394 | ||
72c0a2c2 | 395 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
396 | |
397 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
398 | if (r < 0) | |
399 | return r; | |
400 | ||
401 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
402 | if (r < 0) | |
403 | return r; | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
722b6795 | 408 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 409 | int r; |
50a0b071 | 410 | const char *host, *proto = ""; |
3d090cc6 ZJS |
411 | |
412 | assert(u); | |
413 | assert(url); | |
414 | ||
415 | memzero(u, sizeof(Uploader)); | |
416 | u->input = -1; | |
417 | ||
50a0b071 ZJS |
418 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
419 | host = url; | |
420 | proto = "https://"; | |
421 | } | |
422 | ||
423 | if (strchr(host, ':')) | |
605405c6 | 424 | u->url = strjoin(proto, url, "/upload"); |
50a0b071 ZJS |
425 | else { |
426 | char *t; | |
427 | size_t x; | |
5bc89120 | 428 | |
50a0b071 ZJS |
429 | t = strdupa(url); |
430 | x = strlen(t); | |
431 | while (x > 0 && t[x - 1] == '/') | |
432 | t[x - 1] = '\0'; | |
433 | ||
605405c6 | 434 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload"); |
50a0b071 | 435 | } |
5bc89120 ZJS |
436 | if (!u->url) |
437 | return log_oom(); | |
438 | ||
722b6795 | 439 | u->state_file = state_file; |
3d090cc6 ZJS |
440 | |
441 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
442 | if (r < 0) |
443 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 444 | |
a3152e76 | 445 | r = setup_signals(u); |
eb56eb9b MS |
446 | if (r < 0) |
447 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 448 | |
0aa176a7 ZJS |
449 | (void) sd_watchdog_enabled(false, &u->watchdog_usec); |
450 | ||
722b6795 | 451 | return load_cursor_state(u); |
3d090cc6 ZJS |
452 | } |
453 | ||
454 | static void destroy_uploader(Uploader *u) { | |
455 | assert(u); | |
456 | ||
457 | curl_easy_cleanup(u->easy); | |
458 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
459 | free(u->answer); |
460 | ||
461 | free(u->last_cursor); | |
722b6795 | 462 | free(u->current_cursor); |
3d090cc6 | 463 | |
5bc89120 ZJS |
464 | free(u->url); |
465 | ||
3d090cc6 ZJS |
466 | u->input_event = sd_event_source_unref(u->input_event); |
467 | ||
468 | close_fd_input(u); | |
eacbb4d3 | 469 | close_journal_input(u); |
3d090cc6 | 470 | |
a3152e76 ZJS |
471 | sd_event_source_unref(u->sigterm_event); |
472 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
473 | sd_event_unref(u->events); |
474 | } | |
475 | ||
eacbb4d3 ZJS |
476 | static int perform_upload(Uploader *u) { |
477 | CURLcode code; | |
478 | long status; | |
479 | ||
480 | assert(u); | |
481 | ||
0aa176a7 | 482 | u->watchdog_timestamp = now(CLOCK_MONOTONIC); |
eacbb4d3 ZJS |
483 | code = curl_easy_perform(u->easy); |
484 | if (code) { | |
30776485 ZJS |
485 | if (u->error[0]) |
486 | log_error("Upload to %s failed: %.*s", | |
487 | u->url, (int) sizeof(u->error), u->error); | |
488 | else | |
489 | log_error("Upload to %s failed: %s", | |
490 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
491 | return -EIO; |
492 | } | |
493 | ||
494 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
495 | if (code) { | |
496 | log_error("Failed to retrieve response code: %s", | |
497 | curl_easy_strerror(code)); | |
498 | return -EUCLEAN; | |
499 | } | |
500 | ||
501 | if (status >= 300) { | |
1fa2f38f | 502 | log_error("Upload to %s failed with code %ld: %s", |
eacbb4d3 ZJS |
503 | u->url, status, strna(u->answer)); |
504 | return -EIO; | |
505 | } else if (status < 200) { | |
1fa2f38f | 506 | log_error("Upload to %s finished with unexpected code %ld: %s", |
eacbb4d3 ZJS |
507 | u->url, status, strna(u->answer)); |
508 | return -EIO; | |
509 | } else | |
1fa2f38f | 510 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 511 | status, strna(u->answer)); |
722b6795 | 512 | |
3b319885 | 513 | free_and_replace(u->last_cursor, u->current_cursor); |
722b6795 ZJS |
514 | |
515 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
516 | } |
517 | ||
29fc0ddc ZJS |
518 | static int parse_config(void) { |
519 | const ConfigTableItem items[] = { | |
520 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
521 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
522 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
523 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
524 | {}}; | |
29fc0ddc | 525 | |
43688c49 | 526 | return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-upload.conf", |
da412854 YW |
527 | CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), |
528 | "Upload\0", config_item_table_lookup, items, | |
bcde742e | 529 | CONFIG_PARSE_WARN, NULL); |
29fc0ddc ZJS |
530 | } |
531 | ||
3d090cc6 ZJS |
532 | static void help(void) { |
533 | printf("%s -u URL {FILE|-}...\n\n" | |
534 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
535 | " -h --help Show this help\n" |
536 | " --version Show package version\n" | |
50a0b071 ZJS |
537 | " -u --url=URL Upload to this address (default port " |
538 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
539 | " --key=FILENAME Specify key in PEM format (default:\n" |
540 | " \"" PRIV_KEY_FILE "\")\n" | |
541 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
542 | " \"" CERT_FILE "\")\n" | |
543 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
544 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
545 | " --system Use the system journal\n" |
546 | " --user Use the user journal for the current user\n" | |
547 | " -m --merge Use all available journals\n" | |
548 | " -M --machine=CONTAINER Operate on local container\n" | |
549 | " -D --directory=PATH Use journal files from directory\n" | |
550 | " --file=PATH Use this journal file\n" | |
551 | " --cursor=CURSOR Start at the specified cursor\n" | |
552 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
553 | " --follow[=BOOL] Do [not] wait for input\n" | |
554 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
555 | " " STATE_FILE ")\n" | |
3d090cc6 ZJS |
556 | , program_invocation_short_name); |
557 | } | |
558 | ||
559 | static int parse_argv(int argc, char *argv[]) { | |
560 | enum { | |
561 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
562 | ARG_KEY, |
563 | ARG_CERT, | |
564 | ARG_TRUST, | |
eacbb4d3 ZJS |
565 | ARG_USER, |
566 | ARG_SYSTEM, | |
567 | ARG_FILE, | |
568 | ARG_CURSOR, | |
569 | ARG_AFTER_CURSOR, | |
570 | ARG_FOLLOW, | |
722b6795 | 571 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
572 | }; |
573 | ||
574 | static const struct option options[] = { | |
575 | { "help", no_argument, NULL, 'h' }, | |
576 | { "version", no_argument, NULL, ARG_VERSION }, | |
577 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
578 | { "key", required_argument, NULL, ARG_KEY }, |
579 | { "cert", required_argument, NULL, ARG_CERT }, | |
580 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
581 | { "system", no_argument, NULL, ARG_SYSTEM }, |
582 | { "user", no_argument, NULL, ARG_USER }, | |
583 | { "merge", no_argument, NULL, 'm' }, | |
584 | { "machine", required_argument, NULL, 'M' }, | |
585 | { "directory", required_argument, NULL, 'D' }, | |
586 | { "file", required_argument, NULL, ARG_FILE }, | |
587 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
588 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 589 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 590 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
591 | {} |
592 | }; | |
593 | ||
eacbb4d3 | 594 | int c, r; |
3d090cc6 ZJS |
595 | |
596 | assert(argc >= 0); | |
597 | assert(argv); | |
598 | ||
599 | opterr = 0; | |
600 | ||
eacbb4d3 | 601 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
602 | switch(c) { |
603 | case 'h': | |
604 | help(); | |
605 | return 0 /* done */; | |
606 | ||
607 | case ARG_VERSION: | |
3f6fd1ba | 608 | return version(); |
3d090cc6 ZJS |
609 | |
610 | case 'u': | |
611 | if (arg_url) { | |
612 | log_error("cannot use more than one --url"); | |
613 | return -EINVAL; | |
614 | } | |
615 | ||
616 | arg_url = optarg; | |
617 | break; | |
618 | ||
7449bc1f ZJS |
619 | case ARG_KEY: |
620 | if (arg_key) { | |
621 | log_error("cannot use more than one --key"); | |
622 | return -EINVAL; | |
623 | } | |
624 | ||
625 | arg_key = optarg; | |
626 | break; | |
627 | ||
628 | case ARG_CERT: | |
629 | if (arg_cert) { | |
630 | log_error("cannot use more than one --cert"); | |
631 | return -EINVAL; | |
632 | } | |
633 | ||
634 | arg_cert = optarg; | |
635 | break; | |
636 | ||
637 | case ARG_TRUST: | |
638 | if (arg_trust) { | |
639 | log_error("cannot use more than one --trust"); | |
640 | return -EINVAL; | |
641 | } | |
642 | ||
643 | arg_trust = optarg; | |
644 | break; | |
645 | ||
eacbb4d3 ZJS |
646 | case ARG_SYSTEM: |
647 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
648 | break; | |
649 | ||
650 | case ARG_USER: | |
651 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
652 | break; | |
653 | ||
654 | case 'm': | |
655 | arg_merge = true; | |
656 | break; | |
657 | ||
658 | case 'M': | |
659 | if (arg_machine) { | |
660 | log_error("cannot use more than one --machine/-M"); | |
661 | return -EINVAL; | |
662 | } | |
663 | ||
664 | arg_machine = optarg; | |
665 | break; | |
666 | ||
667 | case 'D': | |
668 | if (arg_directory) { | |
669 | log_error("cannot use more than one --directory/-D"); | |
670 | return -EINVAL; | |
671 | } | |
672 | ||
673 | arg_directory = optarg; | |
674 | break; | |
675 | ||
676 | case ARG_FILE: | |
677 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
678 | if (r < 0) |
679 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
680 | break; |
681 | ||
682 | case ARG_CURSOR: | |
683 | if (arg_cursor) { | |
684 | log_error("cannot use more than one --cursor/--after-cursor"); | |
685 | return -EINVAL; | |
686 | } | |
687 | ||
688 | arg_cursor = optarg; | |
689 | break; | |
690 | ||
691 | case ARG_AFTER_CURSOR: | |
692 | if (arg_cursor) { | |
693 | log_error("cannot use more than one --cursor/--after-cursor"); | |
694 | return -EINVAL; | |
695 | } | |
696 | ||
697 | arg_cursor = optarg; | |
698 | arg_after_cursor = true; | |
699 | break; | |
700 | ||
701 | case ARG_FOLLOW: | |
dad29dff LP |
702 | if (optarg) { |
703 | r = parse_boolean(optarg); | |
704 | if (r < 0) { | |
705 | log_error("Failed to parse --follow= parameter."); | |
706 | return -EINVAL; | |
707 | } | |
708 | ||
709 | arg_follow = !!r; | |
710 | } else | |
711 | arg_follow = true; | |
eacbb4d3 | 712 | |
eacbb4d3 ZJS |
713 | break; |
714 | ||
722b6795 ZJS |
715 | case ARG_SAVE_STATE: |
716 | arg_save_state = optarg ?: STATE_FILE; | |
717 | break; | |
718 | ||
3d090cc6 ZJS |
719 | case '?': |
720 | log_error("Unknown option %s.", argv[optind-1]); | |
721 | return -EINVAL; | |
722 | ||
723 | case ':': | |
724 | log_error("Missing argument to %s.", argv[optind-1]); | |
725 | return -EINVAL; | |
726 | ||
727 | default: | |
728 | assert_not_reached("Unhandled option code."); | |
729 | } | |
730 | ||
731 | if (!arg_url) { | |
732 | log_error("Required --url/-u option missing."); | |
733 | return -EINVAL; | |
734 | } | |
735 | ||
7449bc1f ZJS |
736 | if (!!arg_key != !!arg_cert) { |
737 | log_error("Options --key and --cert must be used together."); | |
738 | return -EINVAL; | |
739 | } | |
740 | ||
eacbb4d3 ZJS |
741 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
742 | log_error("Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
743 | return -EINVAL; |
744 | } | |
745 | ||
746 | return 1; | |
747 | } | |
748 | ||
eacbb4d3 ZJS |
749 | static int open_journal(sd_journal **j) { |
750 | int r; | |
751 | ||
752 | if (arg_directory) | |
753 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
754 | else if (arg_file) | |
755 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
756 | else if (arg_machine) | |
757 | r = sd_journal_open_container(j, arg_machine, 0); | |
758 | else | |
759 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
760 | if (r < 0) | |
c33b3297 MS |
761 | log_error_errno(r, "Failed to open %s: %m", |
762 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
763 | return r; |
764 | } | |
3d090cc6 ZJS |
765 | |
766 | int main(int argc, char **argv) { | |
767 | Uploader u; | |
768 | int r; | |
eacbb4d3 | 769 | bool use_journal; |
3d090cc6 ZJS |
770 | |
771 | log_show_color(true); | |
772 | log_parse_environment(); | |
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 | } |