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3d090cc6 ZJS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Zbigniew Jędrzejewski-Szmek | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
07630cea | 22 | #include <curl/curl.h> |
3d090cc6 ZJS |
23 | #include <fcntl.h> |
24 | #include <getopt.h> | |
3f6fd1ba LP |
25 | #include <stdio.h> |
26 | #include <sys/stat.h> | |
3d090cc6 ZJS |
27 | |
28 | #include "sd-daemon.h" | |
3f6fd1ba LP |
29 | |
30 | #include "conf-parser.h" | |
3ffd4af2 | 31 | #include "fd-util.h" |
722b6795 | 32 | #include "fileio.h" |
3f6fd1ba | 33 | #include "formats-util.h" |
3ffd4af2 | 34 | #include "journal-upload.h" |
3f6fd1ba | 35 | #include "log.h" |
d71839af | 36 | #include "mkdir.h" |
6bedfcbb | 37 | #include "parse-util.h" |
2cf4172a | 38 | #include "sigbus.h" |
24882e06 | 39 | #include "signal-util.h" |
07630cea | 40 | #include "string-util.h" |
3f6fd1ba | 41 | #include "util.h" |
3d090cc6 | 42 | |
799a8f39 ZJS |
43 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
44 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
45 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 46 | #define DEFAULT_PORT 19532 |
29fc0ddc | 47 | |
2cf4172a | 48 | static const char* arg_url = NULL; |
7449bc1f ZJS |
49 | static const char *arg_key = NULL; |
50 | static const char *arg_cert = NULL; | |
51 | static const char *arg_trust = NULL; | |
eacbb4d3 ZJS |
52 | static const char *arg_directory = NULL; |
53 | static char **arg_file = NULL; | |
54 | static const char *arg_cursor = NULL; | |
55 | static bool arg_after_cursor = false; | |
56 | static int arg_journal_type = 0; | |
57 | static const char *arg_machine = NULL; | |
58 | static bool arg_merge = false; | |
59 | static int arg_follow = -1; | |
722b6795 | 60 | static const char *arg_save_state = NULL; |
eacbb4d3 | 61 | |
2cf4172a LP |
62 | static void close_fd_input(Uploader *u); |
63 | ||
eacbb4d3 ZJS |
64 | #define SERVER_ANSWER_KEEP 2048 |
65 | ||
722b6795 ZJS |
66 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
67 | ||
3d090cc6 | 68 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 69 | do { \ |
3d090cc6 ZJS |
70 | code = curl_easy_setopt(curl, opt, value); \ |
71 | if (code) { \ | |
72 | log_full(level, \ | |
73 | "curl_easy_setopt " #opt " failed: %s", \ | |
74 | curl_easy_strerror(code)); \ | |
75 | cmd; \ | |
76 | } \ | |
8847551b | 77 | } while(0) |
3d090cc6 | 78 | |
eacbb4d3 ZJS |
79 | static size_t output_callback(char *buf, |
80 | size_t size, | |
81 | size_t nmemb, | |
82 | void *userp) { | |
83 | Uploader *u = userp; | |
84 | ||
85 | assert(u); | |
86 | ||
87 | log_debug("The server answers (%zu bytes): %.*s", | |
88 | size*nmemb, (int)(size*nmemb), buf); | |
89 | ||
90 | if (nmemb && !u->answer) { | |
91 | u->answer = strndup(buf, size*nmemb); | |
92 | if (!u->answer) | |
c33b3297 MS |
93 | log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
94 | size*nmemb); | |
eacbb4d3 ZJS |
95 | } |
96 | ||
97 | return size * nmemb; | |
98 | } | |
99 | ||
d71839af ZJS |
100 | static int check_cursor_updating(Uploader *u) { |
101 | _cleanup_free_ char *temp_path = NULL; | |
102 | _cleanup_fclose_ FILE *f = NULL; | |
103 | int r; | |
104 | ||
105 | if (!u->state_file) | |
106 | return 0; | |
107 | ||
108 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
109 | if (r < 0) |
110 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
111 | u->state_file); | |
d71839af ZJS |
112 | |
113 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
114 | if (r < 0) |
115 | return log_error_errno(r, "Cannot save state to %s: %m", | |
116 | u->state_file); | |
d71839af ZJS |
117 | unlink(temp_path); |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
722b6795 ZJS |
122 | static int update_cursor_state(Uploader *u) { |
123 | _cleanup_free_ char *temp_path = NULL; | |
124 | _cleanup_fclose_ FILE *f = NULL; | |
125 | int r; | |
126 | ||
127 | if (!u->state_file || !u->last_cursor) | |
128 | return 0; | |
129 | ||
130 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
131 | if (r < 0) | |
dacd6cee | 132 | goto fail; |
722b6795 ZJS |
133 | |
134 | fprintf(f, | |
135 | "# This is private data. Do not parse.\n" | |
136 | "LAST_CURSOR=%s\n", | |
137 | u->last_cursor); | |
138 | ||
dacd6cee LP |
139 | r = fflush_and_check(f); |
140 | if (r < 0) | |
141 | goto fail; | |
722b6795 | 142 | |
dacd6cee | 143 | if (rename(temp_path, u->state_file) < 0) { |
722b6795 | 144 | r = -errno; |
dacd6cee | 145 | goto fail; |
722b6795 ZJS |
146 | } |
147 | ||
dacd6cee LP |
148 | return 0; |
149 | ||
150 | fail: | |
151 | if (temp_path) | |
152 | (void) unlink(temp_path); | |
153 | ||
154 | (void) unlink(u->state_file); | |
722b6795 | 155 | |
dacd6cee | 156 | return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
157 | } |
158 | ||
159 | static int load_cursor_state(Uploader *u) { | |
160 | int r; | |
161 | ||
162 | if (!u->state_file) | |
163 | return 0; | |
164 | ||
165 | r = parse_env_file(u->state_file, NEWLINE, | |
166 | "LAST_CURSOR", &u->last_cursor, | |
167 | NULL); | |
168 | ||
36d4739a ZJS |
169 | if (r == -ENOENT) |
170 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
171 | else if (r < 0) |
172 | return log_error_errno(r, "Failed to read state file %s: %m", | |
173 | u->state_file); | |
174 | else | |
36d4739a | 175 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
176 | |
177 | return 0; | |
178 | } | |
179 | ||
180 | ||
181 | ||
3d090cc6 ZJS |
182 | int start_upload(Uploader *u, |
183 | size_t (*input_callback)(void *ptr, | |
184 | size_t size, | |
185 | size_t nmemb, | |
186 | void *userdata), | |
187 | void *data) { | |
188 | CURLcode code; | |
189 | ||
190 | assert(u); | |
191 | assert(input_callback); | |
192 | ||
193 | if (!u->header) { | |
194 | struct curl_slist *h; | |
195 | ||
196 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
197 | if (!h) | |
198 | return log_oom(); | |
199 | ||
200 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
201 | if (!h) { | |
202 | curl_slist_free_all(h); | |
203 | return log_oom(); | |
204 | } | |
205 | ||
206 | h = curl_slist_append(h, "Accept: text/plain"); | |
207 | if (!h) { | |
208 | curl_slist_free_all(h); | |
209 | return log_oom(); | |
210 | } | |
211 | ||
212 | u->header = h; | |
213 | } | |
214 | ||
215 | if (!u->easy) { | |
216 | CURL *curl; | |
217 | ||
218 | curl = curl_easy_init(); | |
219 | if (!curl) { | |
220 | log_error("Call to curl_easy_init failed."); | |
221 | return -ENOSR; | |
222 | } | |
223 | ||
224 | /* tell it to POST to the URL */ | |
225 | easy_setopt(curl, CURLOPT_POST, 1L, | |
226 | LOG_ERR, return -EXFULL); | |
227 | ||
b88a40a7 | 228 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
229 | LOG_ERR, return -EXFULL); |
230 | ||
231 | /* set where to write to */ | |
232 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
233 | LOG_ERR, return -EXFULL); | |
234 | ||
235 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
236 | LOG_ERR, return -EXFULL); | |
237 | ||
3d090cc6 ZJS |
238 | /* set where to read from */ |
239 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
240 | LOG_ERR, return -EXFULL); | |
241 | ||
242 | easy_setopt(curl, CURLOPT_READDATA, data, | |
243 | LOG_ERR, return -EXFULL); | |
244 | ||
245 | /* use our special own mime type and chunked transfer */ | |
246 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
247 | LOG_ERR, return -EXFULL); | |
248 | ||
5dabb1e0 ZJS |
249 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) |
250 | /* enable verbose for easier tracing */ | |
251 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
252 | |
253 | easy_setopt(curl, CURLOPT_USERAGENT, | |
254 | "systemd-journal-upload " PACKAGE_STRING, | |
255 | LOG_WARNING, ); | |
256 | ||
29fc0ddc | 257 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 258 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 259 | LOG_ERR, return -EXFULL); |
29fc0ddc | 260 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
261 | LOG_ERR, return -EXFULL); |
262 | } | |
263 | ||
8847551b ZJS |
264 | if (streq_ptr(arg_trust, "all")) |
265 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
266 | LOG_ERR, return -EUCLEAN); | |
267 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 268 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
269 | LOG_ERR, return -EXFULL); |
270 | ||
271 | if (arg_key || arg_trust) | |
272 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
273 | LOG_WARNING, ); | |
274 | ||
3d090cc6 | 275 | u->easy = curl; |
eacbb4d3 ZJS |
276 | } else { |
277 | /* truncate the potential old error message */ | |
278 | u->error[0] = '\0'; | |
279 | ||
280 | free(u->answer); | |
281 | u->answer = 0; | |
3d090cc6 ZJS |
282 | } |
283 | ||
284 | /* upload to this place */ | |
285 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
286 | if (code) { | |
287 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
288 | curl_easy_strerror(code)); | |
289 | return -EXFULL; | |
290 | } | |
291 | ||
292 | u->uploading = true; | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
298 | Uploader *u = userp; | |
299 | ||
300 | ssize_t r; | |
301 | ||
302 | assert(u); | |
303 | assert(nmemb <= SSIZE_MAX / size); | |
304 | ||
305 | if (u->input < 0) | |
306 | return 0; | |
307 | ||
308 | r = read(u->input, buf, size * nmemb); | |
1fa2f38f | 309 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, r); |
3d090cc6 ZJS |
310 | |
311 | if (r > 0) | |
312 | return r; | |
313 | ||
314 | u->uploading = false; | |
315 | if (r == 0) { | |
316 | log_debug("Reached EOF"); | |
317 | close_fd_input(u); | |
318 | return 0; | |
319 | } else { | |
56f64d95 | 320 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
321 | return CURL_READFUNC_ABORT; |
322 | } | |
323 | } | |
324 | ||
325 | static void close_fd_input(Uploader *u) { | |
326 | assert(u); | |
327 | ||
328 | if (u->input >= 0) | |
329 | close_nointr(u->input); | |
330 | u->input = -1; | |
eacbb4d3 | 331 | u->timeout = 0; |
3d090cc6 ZJS |
332 | } |
333 | ||
334 | static int dispatch_fd_input(sd_event_source *event, | |
335 | int fd, | |
336 | uint32_t revents, | |
337 | void *userp) { | |
338 | Uploader *u = userp; | |
339 | ||
340 | assert(u); | |
3d090cc6 ZJS |
341 | assert(fd >= 0); |
342 | ||
8201af08 ZJS |
343 | if (revents & EPOLLHUP) { |
344 | log_debug("Received HUP"); | |
345 | close_fd_input(u); | |
346 | return 0; | |
347 | } | |
348 | ||
349 | if (!(revents & EPOLLIN)) { | |
350 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
351 | return -EINVAL; | |
352 | } | |
353 | ||
3d090cc6 ZJS |
354 | if (u->uploading) { |
355 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
356 | return 0; | |
357 | } | |
358 | ||
359 | return start_upload(u, fd_input_callback, u); | |
360 | } | |
361 | ||
362 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 363 | int fd, r = 0; |
3d090cc6 ZJS |
364 | |
365 | if (streq(filename, "-")) | |
366 | fd = STDIN_FILENO; | |
367 | else { | |
368 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
369 | if (fd < 0) |
370 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
371 | } |
372 | ||
373 | u->input = fd; | |
374 | ||
eacbb4d3 ZJS |
375 | if (arg_follow) { |
376 | r = sd_event_add_io(u->events, &u->input_event, | |
377 | fd, EPOLLIN, dispatch_fd_input, u); | |
378 | if (r < 0) { | |
eb56eb9b MS |
379 | if (r != -EPERM || arg_follow > 0) |
380 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 381 | |
eacbb4d3 ZJS |
382 | /* Normal files should just be consumed without polling. */ |
383 | r = start_upload(u, fd_input_callback, u); | |
384 | } | |
3d090cc6 | 385 | } |
eacbb4d3 | 386 | |
3d090cc6 ZJS |
387 | return r; |
388 | } | |
389 | ||
a3152e76 ZJS |
390 | static int dispatch_sigterm(sd_event_source *event, |
391 | const struct signalfd_siginfo *si, | |
392 | void *userdata) { | |
393 | Uploader *u = userdata; | |
394 | ||
395 | assert(u); | |
396 | ||
397 | log_received_signal(LOG_INFO, si); | |
398 | ||
399 | close_fd_input(u); | |
400 | close_journal_input(u); | |
401 | ||
402 | sd_event_exit(u->events, 0); | |
403 | return 0; | |
404 | } | |
405 | ||
406 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
407 | int r; |
408 | ||
409 | assert(u); | |
410 | ||
72c0a2c2 | 411 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
412 | |
413 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
414 | if (r < 0) | |
415 | return r; | |
416 | ||
417 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
418 | if (r < 0) | |
419 | return r; | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
722b6795 | 424 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 425 | int r; |
50a0b071 | 426 | const char *host, *proto = ""; |
3d090cc6 ZJS |
427 | |
428 | assert(u); | |
429 | assert(url); | |
430 | ||
431 | memzero(u, sizeof(Uploader)); | |
432 | u->input = -1; | |
433 | ||
50a0b071 ZJS |
434 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
435 | host = url; | |
436 | proto = "https://"; | |
437 | } | |
438 | ||
439 | if (strchr(host, ':')) | |
440 | u->url = strjoin(proto, url, "/upload", NULL); | |
441 | else { | |
442 | char *t; | |
443 | size_t x; | |
5bc89120 | 444 | |
50a0b071 ZJS |
445 | t = strdupa(url); |
446 | x = strlen(t); | |
447 | while (x > 0 && t[x - 1] == '/') | |
448 | t[x - 1] = '\0'; | |
449 | ||
450 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload", NULL); | |
451 | } | |
5bc89120 ZJS |
452 | if (!u->url) |
453 | return log_oom(); | |
454 | ||
722b6795 | 455 | u->state_file = state_file; |
3d090cc6 ZJS |
456 | |
457 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
458 | if (r < 0) |
459 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 460 | |
a3152e76 | 461 | r = setup_signals(u); |
eb56eb9b MS |
462 | if (r < 0) |
463 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 464 | |
722b6795 | 465 | return load_cursor_state(u); |
3d090cc6 ZJS |
466 | } |
467 | ||
468 | static void destroy_uploader(Uploader *u) { | |
469 | assert(u); | |
470 | ||
471 | curl_easy_cleanup(u->easy); | |
472 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
473 | free(u->answer); |
474 | ||
475 | free(u->last_cursor); | |
722b6795 | 476 | free(u->current_cursor); |
3d090cc6 | 477 | |
5bc89120 ZJS |
478 | free(u->url); |
479 | ||
3d090cc6 ZJS |
480 | u->input_event = sd_event_source_unref(u->input_event); |
481 | ||
482 | close_fd_input(u); | |
eacbb4d3 | 483 | close_journal_input(u); |
3d090cc6 | 484 | |
a3152e76 ZJS |
485 | sd_event_source_unref(u->sigterm_event); |
486 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
487 | sd_event_unref(u->events); |
488 | } | |
489 | ||
eacbb4d3 ZJS |
490 | static int perform_upload(Uploader *u) { |
491 | CURLcode code; | |
492 | long status; | |
493 | ||
494 | assert(u); | |
495 | ||
496 | code = curl_easy_perform(u->easy); | |
497 | if (code) { | |
30776485 ZJS |
498 | if (u->error[0]) |
499 | log_error("Upload to %s failed: %.*s", | |
500 | u->url, (int) sizeof(u->error), u->error); | |
501 | else | |
502 | log_error("Upload to %s failed: %s", | |
503 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
504 | return -EIO; |
505 | } | |
506 | ||
507 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
508 | if (code) { | |
509 | log_error("Failed to retrieve response code: %s", | |
510 | curl_easy_strerror(code)); | |
511 | return -EUCLEAN; | |
512 | } | |
513 | ||
514 | if (status >= 300) { | |
1fa2f38f | 515 | log_error("Upload to %s failed with code %ld: %s", |
eacbb4d3 ZJS |
516 | u->url, status, strna(u->answer)); |
517 | return -EIO; | |
518 | } else if (status < 200) { | |
1fa2f38f | 519 | log_error("Upload to %s finished with unexpected code %ld: %s", |
eacbb4d3 ZJS |
520 | u->url, status, strna(u->answer)); |
521 | return -EIO; | |
522 | } else | |
1fa2f38f | 523 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 524 | status, strna(u->answer)); |
722b6795 ZJS |
525 | |
526 | free(u->last_cursor); | |
527 | u->last_cursor = u->current_cursor; | |
528 | u->current_cursor = NULL; | |
529 | ||
530 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
531 | } |
532 | ||
29fc0ddc ZJS |
533 | static int parse_config(void) { |
534 | const ConfigTableItem items[] = { | |
535 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
536 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
537 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
538 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
539 | {}}; | |
29fc0ddc | 540 | |
bf257aed JT |
541 | return config_parse_many(PKGSYSCONFDIR "/journal-upload.conf", |
542 | CONF_DIRS_NULSTR("systemd/journal-upload.conf"), | |
543 | "Upload\0", config_item_table_lookup, items, | |
544 | false, NULL); | |
29fc0ddc ZJS |
545 | } |
546 | ||
3d090cc6 ZJS |
547 | static void help(void) { |
548 | printf("%s -u URL {FILE|-}...\n\n" | |
549 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
550 | " -h --help Show this help\n" |
551 | " --version Show package version\n" | |
50a0b071 ZJS |
552 | " -u --url=URL Upload to this address (default port " |
553 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
554 | " --key=FILENAME Specify key in PEM format (default:\n" |
555 | " \"" PRIV_KEY_FILE "\")\n" | |
556 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
557 | " \"" CERT_FILE "\")\n" | |
558 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
559 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
560 | " --system Use the system journal\n" |
561 | " --user Use the user journal for the current user\n" | |
562 | " -m --merge Use all available journals\n" | |
563 | " -M --machine=CONTAINER Operate on local container\n" | |
564 | " -D --directory=PATH Use journal files from directory\n" | |
565 | " --file=PATH Use this journal file\n" | |
566 | " --cursor=CURSOR Start at the specified cursor\n" | |
567 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
568 | " --follow[=BOOL] Do [not] wait for input\n" | |
569 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
570 | " " STATE_FILE ")\n" | |
571 | " -h --help Show this help and exit\n" | |
572 | " --version Print version string and exit\n" | |
3d090cc6 ZJS |
573 | , program_invocation_short_name); |
574 | } | |
575 | ||
576 | static int parse_argv(int argc, char *argv[]) { | |
577 | enum { | |
578 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
579 | ARG_KEY, |
580 | ARG_CERT, | |
581 | ARG_TRUST, | |
eacbb4d3 ZJS |
582 | ARG_USER, |
583 | ARG_SYSTEM, | |
584 | ARG_FILE, | |
585 | ARG_CURSOR, | |
586 | ARG_AFTER_CURSOR, | |
587 | ARG_FOLLOW, | |
722b6795 | 588 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
589 | }; |
590 | ||
591 | static const struct option options[] = { | |
592 | { "help", no_argument, NULL, 'h' }, | |
593 | { "version", no_argument, NULL, ARG_VERSION }, | |
594 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
595 | { "key", required_argument, NULL, ARG_KEY }, |
596 | { "cert", required_argument, NULL, ARG_CERT }, | |
597 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
598 | { "system", no_argument, NULL, ARG_SYSTEM }, |
599 | { "user", no_argument, NULL, ARG_USER }, | |
600 | { "merge", no_argument, NULL, 'm' }, | |
601 | { "machine", required_argument, NULL, 'M' }, | |
602 | { "directory", required_argument, NULL, 'D' }, | |
603 | { "file", required_argument, NULL, ARG_FILE }, | |
604 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
605 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 606 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 607 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
608 | {} |
609 | }; | |
610 | ||
eacbb4d3 | 611 | int c, r; |
3d090cc6 ZJS |
612 | |
613 | assert(argc >= 0); | |
614 | assert(argv); | |
615 | ||
616 | opterr = 0; | |
617 | ||
eacbb4d3 | 618 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
619 | switch(c) { |
620 | case 'h': | |
621 | help(); | |
622 | return 0 /* done */; | |
623 | ||
624 | case ARG_VERSION: | |
3f6fd1ba | 625 | return version(); |
3d090cc6 ZJS |
626 | |
627 | case 'u': | |
628 | if (arg_url) { | |
629 | log_error("cannot use more than one --url"); | |
630 | return -EINVAL; | |
631 | } | |
632 | ||
633 | arg_url = optarg; | |
634 | break; | |
635 | ||
7449bc1f ZJS |
636 | case ARG_KEY: |
637 | if (arg_key) { | |
638 | log_error("cannot use more than one --key"); | |
639 | return -EINVAL; | |
640 | } | |
641 | ||
642 | arg_key = optarg; | |
643 | break; | |
644 | ||
645 | case ARG_CERT: | |
646 | if (arg_cert) { | |
647 | log_error("cannot use more than one --cert"); | |
648 | return -EINVAL; | |
649 | } | |
650 | ||
651 | arg_cert = optarg; | |
652 | break; | |
653 | ||
654 | case ARG_TRUST: | |
655 | if (arg_trust) { | |
656 | log_error("cannot use more than one --trust"); | |
657 | return -EINVAL; | |
658 | } | |
659 | ||
660 | arg_trust = optarg; | |
661 | break; | |
662 | ||
eacbb4d3 ZJS |
663 | case ARG_SYSTEM: |
664 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
665 | break; | |
666 | ||
667 | case ARG_USER: | |
668 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
669 | break; | |
670 | ||
671 | case 'm': | |
672 | arg_merge = true; | |
673 | break; | |
674 | ||
675 | case 'M': | |
676 | if (arg_machine) { | |
677 | log_error("cannot use more than one --machine/-M"); | |
678 | return -EINVAL; | |
679 | } | |
680 | ||
681 | arg_machine = optarg; | |
682 | break; | |
683 | ||
684 | case 'D': | |
685 | if (arg_directory) { | |
686 | log_error("cannot use more than one --directory/-D"); | |
687 | return -EINVAL; | |
688 | } | |
689 | ||
690 | arg_directory = optarg; | |
691 | break; | |
692 | ||
693 | case ARG_FILE: | |
694 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
695 | if (r < 0) |
696 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
697 | break; |
698 | ||
699 | case ARG_CURSOR: | |
700 | if (arg_cursor) { | |
701 | log_error("cannot use more than one --cursor/--after-cursor"); | |
702 | return -EINVAL; | |
703 | } | |
704 | ||
705 | arg_cursor = optarg; | |
706 | break; | |
707 | ||
708 | case ARG_AFTER_CURSOR: | |
709 | if (arg_cursor) { | |
710 | log_error("cannot use more than one --cursor/--after-cursor"); | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
714 | arg_cursor = optarg; | |
715 | arg_after_cursor = true; | |
716 | break; | |
717 | ||
718 | case ARG_FOLLOW: | |
dad29dff LP |
719 | if (optarg) { |
720 | r = parse_boolean(optarg); | |
721 | if (r < 0) { | |
722 | log_error("Failed to parse --follow= parameter."); | |
723 | return -EINVAL; | |
724 | } | |
725 | ||
726 | arg_follow = !!r; | |
727 | } else | |
728 | arg_follow = true; | |
eacbb4d3 | 729 | |
eacbb4d3 ZJS |
730 | break; |
731 | ||
722b6795 ZJS |
732 | case ARG_SAVE_STATE: |
733 | arg_save_state = optarg ?: STATE_FILE; | |
734 | break; | |
735 | ||
3d090cc6 ZJS |
736 | case '?': |
737 | log_error("Unknown option %s.", argv[optind-1]); | |
738 | return -EINVAL; | |
739 | ||
740 | case ':': | |
741 | log_error("Missing argument to %s.", argv[optind-1]); | |
742 | return -EINVAL; | |
743 | ||
744 | default: | |
745 | assert_not_reached("Unhandled option code."); | |
746 | } | |
747 | ||
748 | if (!arg_url) { | |
749 | log_error("Required --url/-u option missing."); | |
750 | return -EINVAL; | |
751 | } | |
752 | ||
7449bc1f ZJS |
753 | if (!!arg_key != !!arg_cert) { |
754 | log_error("Options --key and --cert must be used together."); | |
755 | return -EINVAL; | |
756 | } | |
757 | ||
eacbb4d3 ZJS |
758 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
759 | log_error("Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
760 | return -EINVAL; |
761 | } | |
762 | ||
763 | return 1; | |
764 | } | |
765 | ||
eacbb4d3 ZJS |
766 | static int open_journal(sd_journal **j) { |
767 | int r; | |
768 | ||
769 | if (arg_directory) | |
770 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
771 | else if (arg_file) | |
772 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
773 | else if (arg_machine) | |
774 | r = sd_journal_open_container(j, arg_machine, 0); | |
775 | else | |
776 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
777 | if (r < 0) | |
c33b3297 MS |
778 | log_error_errno(r, "Failed to open %s: %m", |
779 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
780 | return r; |
781 | } | |
3d090cc6 ZJS |
782 | |
783 | int main(int argc, char **argv) { | |
784 | Uploader u; | |
785 | int r; | |
eacbb4d3 | 786 | bool use_journal; |
3d090cc6 ZJS |
787 | |
788 | log_show_color(true); | |
789 | log_parse_environment(); | |
790 | ||
29fc0ddc | 791 | r = parse_config(); |
4015ac5c | 792 | if (r < 0) |
29fc0ddc ZJS |
793 | goto finish; |
794 | ||
3d090cc6 ZJS |
795 | r = parse_argv(argc, argv); |
796 | if (r <= 0) | |
797 | goto finish; | |
798 | ||
2cf4172a LP |
799 | sigbus_install(); |
800 | ||
722b6795 | 801 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
802 | if (r < 0) |
803 | goto cleanup; | |
804 | ||
a3152e76 ZJS |
805 | sd_event_set_watchdog(u.events, true); |
806 | ||
d71839af ZJS |
807 | r = check_cursor_updating(&u); |
808 | if (r < 0) | |
809 | goto cleanup; | |
810 | ||
3d090cc6 ZJS |
811 | log_debug("%s running as pid "PID_FMT, |
812 | program_invocation_short_name, getpid()); | |
eacbb4d3 ZJS |
813 | |
814 | use_journal = optind >= argc; | |
815 | if (use_journal) { | |
816 | sd_journal *j; | |
817 | r = open_journal(&j); | |
818 | if (r < 0) | |
819 | goto finish; | |
820 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
821 | arg_cursor ?: u.last_cursor, |
822 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
823 | !!arg_follow); |
824 | if (r < 0) | |
825 | goto finish; | |
826 | } | |
827 | ||
3d090cc6 ZJS |
828 | sd_notify(false, |
829 | "READY=1\n" | |
830 | "STATUS=Processing input..."); | |
831 | ||
57255510 | 832 | for (;;) { |
36d4739a ZJS |
833 | r = sd_event_get_state(u.events); |
834 | if (r < 0) | |
835 | break; | |
836 | if (r == SD_EVENT_FINISHED) | |
837 | break; | |
838 | ||
eacbb4d3 ZJS |
839 | if (use_journal) { |
840 | if (!u.journal) | |
841 | break; | |
842 | ||
843 | r = check_journal_input(&u); | |
844 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
845 | if (optind >= argc) |
846 | break; | |
847 | ||
848 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 849 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 850 | } |
eacbb4d3 ZJS |
851 | if (r < 0) |
852 | goto cleanup; | |
3d090cc6 | 853 | |
3d090cc6 | 854 | if (u.uploading) { |
eacbb4d3 ZJS |
855 | r = perform_upload(&u); |
856 | if (r < 0) | |
3d090cc6 | 857 | break; |
3d090cc6 ZJS |
858 | } |
859 | ||
eacbb4d3 | 860 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 861 | if (r < 0) { |
da927ba9 | 862 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
863 | break; |
864 | } | |
865 | } | |
866 | ||
867 | cleanup: | |
af4ec430 LP |
868 | sd_notify(false, |
869 | "STOPPING=1\n" | |
870 | "STATUS=Shutting down..."); | |
871 | ||
3d090cc6 ZJS |
872 | destroy_uploader(&u); |
873 | ||
874 | finish: | |
36d4739a | 875 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 876 | } |