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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 | 29 | |
b5efdb8a | 30 | #include "alloc-util.h" |
3f6fd1ba | 31 | #include "conf-parser.h" |
a0f29c76 | 32 | #include "def.h" |
3ffd4af2 | 33 | #include "fd-util.h" |
722b6795 | 34 | #include "fileio.h" |
3f6fd1ba | 35 | #include "formats-util.h" |
7d50b32a | 36 | #include "glob-util.h" |
3ffd4af2 | 37 | #include "journal-upload.h" |
3f6fd1ba | 38 | #include "log.h" |
d71839af | 39 | #include "mkdir.h" |
6bedfcbb | 40 | #include "parse-util.h" |
2cf4172a | 41 | #include "sigbus.h" |
24882e06 | 42 | #include "signal-util.h" |
07630cea | 43 | #include "string-util.h" |
3f6fd1ba | 44 | #include "util.h" |
3d090cc6 | 45 | |
799a8f39 ZJS |
46 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
47 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
48 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 49 | #define DEFAULT_PORT 19532 |
29fc0ddc | 50 | |
2cf4172a | 51 | static const char* arg_url = NULL; |
7449bc1f ZJS |
52 | static const char *arg_key = NULL; |
53 | static const char *arg_cert = NULL; | |
54 | static const char *arg_trust = NULL; | |
eacbb4d3 ZJS |
55 | static const char *arg_directory = NULL; |
56 | static char **arg_file = NULL; | |
57 | static const char *arg_cursor = NULL; | |
58 | static bool arg_after_cursor = false; | |
59 | static int arg_journal_type = 0; | |
60 | static const char *arg_machine = NULL; | |
61 | static bool arg_merge = false; | |
62 | static int arg_follow = -1; | |
722b6795 | 63 | static const char *arg_save_state = NULL; |
eacbb4d3 | 64 | |
2cf4172a LP |
65 | static void close_fd_input(Uploader *u); |
66 | ||
eacbb4d3 ZJS |
67 | #define SERVER_ANSWER_KEEP 2048 |
68 | ||
722b6795 ZJS |
69 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
70 | ||
3d090cc6 | 71 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 72 | do { \ |
3d090cc6 ZJS |
73 | code = curl_easy_setopt(curl, opt, value); \ |
74 | if (code) { \ | |
75 | log_full(level, \ | |
76 | "curl_easy_setopt " #opt " failed: %s", \ | |
77 | curl_easy_strerror(code)); \ | |
78 | cmd; \ | |
79 | } \ | |
8847551b | 80 | } while(0) |
3d090cc6 | 81 | |
eacbb4d3 ZJS |
82 | static size_t output_callback(char *buf, |
83 | size_t size, | |
84 | size_t nmemb, | |
85 | void *userp) { | |
86 | Uploader *u = userp; | |
87 | ||
88 | assert(u); | |
89 | ||
90 | log_debug("The server answers (%zu bytes): %.*s", | |
91 | size*nmemb, (int)(size*nmemb), buf); | |
92 | ||
93 | if (nmemb && !u->answer) { | |
94 | u->answer = strndup(buf, size*nmemb); | |
95 | if (!u->answer) | |
c33b3297 MS |
96 | log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
97 | size*nmemb); | |
eacbb4d3 ZJS |
98 | } |
99 | ||
100 | return size * nmemb; | |
101 | } | |
102 | ||
d71839af ZJS |
103 | static int check_cursor_updating(Uploader *u) { |
104 | _cleanup_free_ char *temp_path = NULL; | |
105 | _cleanup_fclose_ FILE *f = NULL; | |
106 | int r; | |
107 | ||
108 | if (!u->state_file) | |
109 | return 0; | |
110 | ||
111 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
112 | if (r < 0) |
113 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
114 | u->state_file); | |
d71839af ZJS |
115 | |
116 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
117 | if (r < 0) |
118 | return log_error_errno(r, "Cannot save state to %s: %m", | |
119 | u->state_file); | |
d71839af ZJS |
120 | unlink(temp_path); |
121 | ||
122 | return 0; | |
123 | } | |
124 | ||
722b6795 ZJS |
125 | static int update_cursor_state(Uploader *u) { |
126 | _cleanup_free_ char *temp_path = NULL; | |
127 | _cleanup_fclose_ FILE *f = NULL; | |
128 | int r; | |
129 | ||
130 | if (!u->state_file || !u->last_cursor) | |
131 | return 0; | |
132 | ||
133 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
134 | if (r < 0) | |
dacd6cee | 135 | goto fail; |
722b6795 ZJS |
136 | |
137 | fprintf(f, | |
138 | "# This is private data. Do not parse.\n" | |
139 | "LAST_CURSOR=%s\n", | |
140 | u->last_cursor); | |
141 | ||
dacd6cee LP |
142 | r = fflush_and_check(f); |
143 | if (r < 0) | |
144 | goto fail; | |
722b6795 | 145 | |
dacd6cee | 146 | if (rename(temp_path, u->state_file) < 0) { |
722b6795 | 147 | r = -errno; |
dacd6cee | 148 | goto fail; |
722b6795 ZJS |
149 | } |
150 | ||
dacd6cee LP |
151 | return 0; |
152 | ||
153 | fail: | |
154 | if (temp_path) | |
155 | (void) unlink(temp_path); | |
156 | ||
157 | (void) unlink(u->state_file); | |
722b6795 | 158 | |
dacd6cee | 159 | return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
160 | } |
161 | ||
162 | static int load_cursor_state(Uploader *u) { | |
163 | int r; | |
164 | ||
165 | if (!u->state_file) | |
166 | return 0; | |
167 | ||
168 | r = parse_env_file(u->state_file, NEWLINE, | |
169 | "LAST_CURSOR", &u->last_cursor, | |
170 | NULL); | |
171 | ||
36d4739a ZJS |
172 | if (r == -ENOENT) |
173 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
174 | else if (r < 0) |
175 | return log_error_errno(r, "Failed to read state file %s: %m", | |
176 | u->state_file); | |
177 | else | |
36d4739a | 178 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
179 | |
180 | return 0; | |
181 | } | |
182 | ||
183 | ||
184 | ||
3d090cc6 ZJS |
185 | int start_upload(Uploader *u, |
186 | size_t (*input_callback)(void *ptr, | |
187 | size_t size, | |
188 | size_t nmemb, | |
189 | void *userdata), | |
190 | void *data) { | |
191 | CURLcode code; | |
192 | ||
193 | assert(u); | |
194 | assert(input_callback); | |
195 | ||
196 | if (!u->header) { | |
197 | struct curl_slist *h; | |
198 | ||
199 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
200 | if (!h) | |
201 | return log_oom(); | |
202 | ||
203 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
204 | if (!h) { | |
205 | curl_slist_free_all(h); | |
206 | return log_oom(); | |
207 | } | |
208 | ||
209 | h = curl_slist_append(h, "Accept: text/plain"); | |
210 | if (!h) { | |
211 | curl_slist_free_all(h); | |
212 | return log_oom(); | |
213 | } | |
214 | ||
215 | u->header = h; | |
216 | } | |
217 | ||
218 | if (!u->easy) { | |
219 | CURL *curl; | |
220 | ||
221 | curl = curl_easy_init(); | |
222 | if (!curl) { | |
223 | log_error("Call to curl_easy_init failed."); | |
224 | return -ENOSR; | |
225 | } | |
226 | ||
227 | /* tell it to POST to the URL */ | |
228 | easy_setopt(curl, CURLOPT_POST, 1L, | |
229 | LOG_ERR, return -EXFULL); | |
230 | ||
b88a40a7 | 231 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
232 | LOG_ERR, return -EXFULL); |
233 | ||
234 | /* set where to write to */ | |
235 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
236 | LOG_ERR, return -EXFULL); | |
237 | ||
238 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
239 | LOG_ERR, return -EXFULL); | |
240 | ||
3d090cc6 ZJS |
241 | /* set where to read from */ |
242 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
243 | LOG_ERR, return -EXFULL); | |
244 | ||
245 | easy_setopt(curl, CURLOPT_READDATA, data, | |
246 | LOG_ERR, return -EXFULL); | |
247 | ||
248 | /* use our special own mime type and chunked transfer */ | |
249 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
250 | LOG_ERR, return -EXFULL); | |
251 | ||
5dabb1e0 ZJS |
252 | if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) |
253 | /* enable verbose for easier tracing */ | |
254 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
3d090cc6 ZJS |
255 | |
256 | easy_setopt(curl, CURLOPT_USERAGENT, | |
257 | "systemd-journal-upload " PACKAGE_STRING, | |
258 | LOG_WARNING, ); | |
259 | ||
29fc0ddc | 260 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 261 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 262 | LOG_ERR, return -EXFULL); |
29fc0ddc | 263 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
264 | LOG_ERR, return -EXFULL); |
265 | } | |
266 | ||
8847551b ZJS |
267 | if (streq_ptr(arg_trust, "all")) |
268 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
269 | LOG_ERR, return -EUCLEAN); | |
270 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 271 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
272 | LOG_ERR, return -EXFULL); |
273 | ||
274 | if (arg_key || arg_trust) | |
275 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
276 | LOG_WARNING, ); | |
277 | ||
3d090cc6 | 278 | u->easy = curl; |
eacbb4d3 ZJS |
279 | } else { |
280 | /* truncate the potential old error message */ | |
281 | u->error[0] = '\0'; | |
282 | ||
283 | free(u->answer); | |
284 | u->answer = 0; | |
3d090cc6 ZJS |
285 | } |
286 | ||
287 | /* upload to this place */ | |
288 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
289 | if (code) { | |
290 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
291 | curl_easy_strerror(code)); | |
292 | return -EXFULL; | |
293 | } | |
294 | ||
295 | u->uploading = true; | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
300 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
301 | Uploader *u = userp; | |
302 | ||
303 | ssize_t r; | |
304 | ||
305 | assert(u); | |
306 | assert(nmemb <= SSIZE_MAX / size); | |
307 | ||
308 | if (u->input < 0) | |
309 | return 0; | |
310 | ||
311 | r = read(u->input, buf, size * nmemb); | |
1fa2f38f | 312 | log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, r); |
3d090cc6 ZJS |
313 | |
314 | if (r > 0) | |
315 | return r; | |
316 | ||
317 | u->uploading = false; | |
318 | if (r == 0) { | |
319 | log_debug("Reached EOF"); | |
320 | close_fd_input(u); | |
321 | return 0; | |
322 | } else { | |
56f64d95 | 323 | log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
3d090cc6 ZJS |
324 | return CURL_READFUNC_ABORT; |
325 | } | |
326 | } | |
327 | ||
328 | static void close_fd_input(Uploader *u) { | |
329 | assert(u); | |
330 | ||
331 | if (u->input >= 0) | |
332 | close_nointr(u->input); | |
333 | u->input = -1; | |
eacbb4d3 | 334 | u->timeout = 0; |
3d090cc6 ZJS |
335 | } |
336 | ||
337 | static int dispatch_fd_input(sd_event_source *event, | |
338 | int fd, | |
339 | uint32_t revents, | |
340 | void *userp) { | |
341 | Uploader *u = userp; | |
342 | ||
343 | assert(u); | |
3d090cc6 ZJS |
344 | assert(fd >= 0); |
345 | ||
8201af08 ZJS |
346 | if (revents & EPOLLHUP) { |
347 | log_debug("Received HUP"); | |
348 | close_fd_input(u); | |
349 | return 0; | |
350 | } | |
351 | ||
352 | if (!(revents & EPOLLIN)) { | |
353 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
354 | return -EINVAL; | |
355 | } | |
356 | ||
3d090cc6 ZJS |
357 | if (u->uploading) { |
358 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
359 | return 0; | |
360 | } | |
361 | ||
362 | return start_upload(u, fd_input_callback, u); | |
363 | } | |
364 | ||
365 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 366 | int fd, r = 0; |
3d090cc6 ZJS |
367 | |
368 | if (streq(filename, "-")) | |
369 | fd = STDIN_FILENO; | |
370 | else { | |
371 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
4a62c710 MS |
372 | if (fd < 0) |
373 | return log_error_errno(errno, "Failed to open %s: %m", filename); | |
3d090cc6 ZJS |
374 | } |
375 | ||
376 | u->input = fd; | |
377 | ||
eacbb4d3 ZJS |
378 | if (arg_follow) { |
379 | r = sd_event_add_io(u->events, &u->input_event, | |
380 | fd, EPOLLIN, dispatch_fd_input, u); | |
381 | if (r < 0) { | |
eb56eb9b MS |
382 | if (r != -EPERM || arg_follow > 0) |
383 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 384 | |
eacbb4d3 ZJS |
385 | /* Normal files should just be consumed without polling. */ |
386 | r = start_upload(u, fd_input_callback, u); | |
387 | } | |
3d090cc6 | 388 | } |
eacbb4d3 | 389 | |
3d090cc6 ZJS |
390 | return r; |
391 | } | |
392 | ||
a3152e76 ZJS |
393 | static int dispatch_sigterm(sd_event_source *event, |
394 | const struct signalfd_siginfo *si, | |
395 | void *userdata) { | |
396 | Uploader *u = userdata; | |
397 | ||
398 | assert(u); | |
399 | ||
400 | log_received_signal(LOG_INFO, si); | |
401 | ||
402 | close_fd_input(u); | |
403 | close_journal_input(u); | |
404 | ||
405 | sd_event_exit(u->events, 0); | |
406 | return 0; | |
407 | } | |
408 | ||
409 | static int setup_signals(Uploader *u) { | |
a3152e76 ZJS |
410 | int r; |
411 | ||
412 | assert(u); | |
413 | ||
72c0a2c2 | 414 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
a3152e76 ZJS |
415 | |
416 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
417 | if (r < 0) | |
418 | return r; | |
419 | ||
420 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
421 | if (r < 0) | |
422 | return r; | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
722b6795 | 427 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 428 | int r; |
50a0b071 | 429 | const char *host, *proto = ""; |
3d090cc6 ZJS |
430 | |
431 | assert(u); | |
432 | assert(url); | |
433 | ||
434 | memzero(u, sizeof(Uploader)); | |
435 | u->input = -1; | |
436 | ||
50a0b071 ZJS |
437 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
438 | host = url; | |
439 | proto = "https://"; | |
440 | } | |
441 | ||
442 | if (strchr(host, ':')) | |
443 | u->url = strjoin(proto, url, "/upload", NULL); | |
444 | else { | |
445 | char *t; | |
446 | size_t x; | |
5bc89120 | 447 | |
50a0b071 ZJS |
448 | t = strdupa(url); |
449 | x = strlen(t); | |
450 | while (x > 0 && t[x - 1] == '/') | |
451 | t[x - 1] = '\0'; | |
452 | ||
453 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload", NULL); | |
454 | } | |
5bc89120 ZJS |
455 | if (!u->url) |
456 | return log_oom(); | |
457 | ||
722b6795 | 458 | u->state_file = state_file; |
3d090cc6 ZJS |
459 | |
460 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
461 | if (r < 0) |
462 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 463 | |
a3152e76 | 464 | r = setup_signals(u); |
eb56eb9b MS |
465 | if (r < 0) |
466 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 467 | |
722b6795 | 468 | return load_cursor_state(u); |
3d090cc6 ZJS |
469 | } |
470 | ||
471 | static void destroy_uploader(Uploader *u) { | |
472 | assert(u); | |
473 | ||
474 | curl_easy_cleanup(u->easy); | |
475 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
476 | free(u->answer); |
477 | ||
478 | free(u->last_cursor); | |
722b6795 | 479 | free(u->current_cursor); |
3d090cc6 | 480 | |
5bc89120 ZJS |
481 | free(u->url); |
482 | ||
3d090cc6 ZJS |
483 | u->input_event = sd_event_source_unref(u->input_event); |
484 | ||
485 | close_fd_input(u); | |
eacbb4d3 | 486 | close_journal_input(u); |
3d090cc6 | 487 | |
a3152e76 ZJS |
488 | sd_event_source_unref(u->sigterm_event); |
489 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
490 | sd_event_unref(u->events); |
491 | } | |
492 | ||
eacbb4d3 ZJS |
493 | static int perform_upload(Uploader *u) { |
494 | CURLcode code; | |
495 | long status; | |
496 | ||
497 | assert(u); | |
498 | ||
499 | code = curl_easy_perform(u->easy); | |
500 | if (code) { | |
30776485 ZJS |
501 | if (u->error[0]) |
502 | log_error("Upload to %s failed: %.*s", | |
503 | u->url, (int) sizeof(u->error), u->error); | |
504 | else | |
505 | log_error("Upload to %s failed: %s", | |
506 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
507 | return -EIO; |
508 | } | |
509 | ||
510 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
511 | if (code) { | |
512 | log_error("Failed to retrieve response code: %s", | |
513 | curl_easy_strerror(code)); | |
514 | return -EUCLEAN; | |
515 | } | |
516 | ||
517 | if (status >= 300) { | |
1fa2f38f | 518 | log_error("Upload to %s failed with code %ld: %s", |
eacbb4d3 ZJS |
519 | u->url, status, strna(u->answer)); |
520 | return -EIO; | |
521 | } else if (status < 200) { | |
1fa2f38f | 522 | log_error("Upload to %s finished with unexpected code %ld: %s", |
eacbb4d3 ZJS |
523 | u->url, status, strna(u->answer)); |
524 | return -EIO; | |
525 | } else | |
1fa2f38f | 526 | log_debug("Upload finished successfully with code %ld: %s", |
eacbb4d3 | 527 | status, strna(u->answer)); |
722b6795 ZJS |
528 | |
529 | free(u->last_cursor); | |
530 | u->last_cursor = u->current_cursor; | |
531 | u->current_cursor = NULL; | |
532 | ||
533 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
534 | } |
535 | ||
29fc0ddc ZJS |
536 | static int parse_config(void) { |
537 | const ConfigTableItem items[] = { | |
538 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
539 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
540 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
541 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
542 | {}}; | |
29fc0ddc | 543 | |
bf257aed JT |
544 | return config_parse_many(PKGSYSCONFDIR "/journal-upload.conf", |
545 | CONF_DIRS_NULSTR("systemd/journal-upload.conf"), | |
546 | "Upload\0", config_item_table_lookup, items, | |
547 | false, NULL); | |
29fc0ddc ZJS |
548 | } |
549 | ||
3d090cc6 ZJS |
550 | static void help(void) { |
551 | printf("%s -u URL {FILE|-}...\n\n" | |
552 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
553 | " -h --help Show this help\n" |
554 | " --version Show package version\n" | |
50a0b071 ZJS |
555 | " -u --url=URL Upload to this address (default port " |
556 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
557 | " --key=FILENAME Specify key in PEM format (default:\n" |
558 | " \"" PRIV_KEY_FILE "\")\n" | |
559 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
560 | " \"" CERT_FILE "\")\n" | |
561 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
562 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
563 | " --system Use the system journal\n" |
564 | " --user Use the user journal for the current user\n" | |
565 | " -m --merge Use all available journals\n" | |
566 | " -M --machine=CONTAINER Operate on local container\n" | |
567 | " -D --directory=PATH Use journal files from directory\n" | |
568 | " --file=PATH Use this journal file\n" | |
569 | " --cursor=CURSOR Start at the specified cursor\n" | |
570 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
571 | " --follow[=BOOL] Do [not] wait for input\n" | |
572 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
573 | " " STATE_FILE ")\n" | |
574 | " -h --help Show this help and exit\n" | |
575 | " --version Print version string and exit\n" | |
3d090cc6 ZJS |
576 | , program_invocation_short_name); |
577 | } | |
578 | ||
579 | static int parse_argv(int argc, char *argv[]) { | |
580 | enum { | |
581 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
582 | ARG_KEY, |
583 | ARG_CERT, | |
584 | ARG_TRUST, | |
eacbb4d3 ZJS |
585 | ARG_USER, |
586 | ARG_SYSTEM, | |
587 | ARG_FILE, | |
588 | ARG_CURSOR, | |
589 | ARG_AFTER_CURSOR, | |
590 | ARG_FOLLOW, | |
722b6795 | 591 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
592 | }; |
593 | ||
594 | static const struct option options[] = { | |
595 | { "help", no_argument, NULL, 'h' }, | |
596 | { "version", no_argument, NULL, ARG_VERSION }, | |
597 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
598 | { "key", required_argument, NULL, ARG_KEY }, |
599 | { "cert", required_argument, NULL, ARG_CERT }, | |
600 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
601 | { "system", no_argument, NULL, ARG_SYSTEM }, |
602 | { "user", no_argument, NULL, ARG_USER }, | |
603 | { "merge", no_argument, NULL, 'm' }, | |
604 | { "machine", required_argument, NULL, 'M' }, | |
605 | { "directory", required_argument, NULL, 'D' }, | |
606 | { "file", required_argument, NULL, ARG_FILE }, | |
607 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
608 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 609 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 610 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
611 | {} |
612 | }; | |
613 | ||
eacbb4d3 | 614 | int c, r; |
3d090cc6 ZJS |
615 | |
616 | assert(argc >= 0); | |
617 | assert(argv); | |
618 | ||
619 | opterr = 0; | |
620 | ||
eacbb4d3 | 621 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
622 | switch(c) { |
623 | case 'h': | |
624 | help(); | |
625 | return 0 /* done */; | |
626 | ||
627 | case ARG_VERSION: | |
3f6fd1ba | 628 | return version(); |
3d090cc6 ZJS |
629 | |
630 | case 'u': | |
631 | if (arg_url) { | |
632 | log_error("cannot use more than one --url"); | |
633 | return -EINVAL; | |
634 | } | |
635 | ||
636 | arg_url = optarg; | |
637 | break; | |
638 | ||
7449bc1f ZJS |
639 | case ARG_KEY: |
640 | if (arg_key) { | |
641 | log_error("cannot use more than one --key"); | |
642 | return -EINVAL; | |
643 | } | |
644 | ||
645 | arg_key = optarg; | |
646 | break; | |
647 | ||
648 | case ARG_CERT: | |
649 | if (arg_cert) { | |
650 | log_error("cannot use more than one --cert"); | |
651 | return -EINVAL; | |
652 | } | |
653 | ||
654 | arg_cert = optarg; | |
655 | break; | |
656 | ||
657 | case ARG_TRUST: | |
658 | if (arg_trust) { | |
659 | log_error("cannot use more than one --trust"); | |
660 | return -EINVAL; | |
661 | } | |
662 | ||
663 | arg_trust = optarg; | |
664 | break; | |
665 | ||
eacbb4d3 ZJS |
666 | case ARG_SYSTEM: |
667 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
668 | break; | |
669 | ||
670 | case ARG_USER: | |
671 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
672 | break; | |
673 | ||
674 | case 'm': | |
675 | arg_merge = true; | |
676 | break; | |
677 | ||
678 | case 'M': | |
679 | if (arg_machine) { | |
680 | log_error("cannot use more than one --machine/-M"); | |
681 | return -EINVAL; | |
682 | } | |
683 | ||
684 | arg_machine = optarg; | |
685 | break; | |
686 | ||
687 | case 'D': | |
688 | if (arg_directory) { | |
689 | log_error("cannot use more than one --directory/-D"); | |
690 | return -EINVAL; | |
691 | } | |
692 | ||
693 | arg_directory = optarg; | |
694 | break; | |
695 | ||
696 | case ARG_FILE: | |
697 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
698 | if (r < 0) |
699 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
700 | break; |
701 | ||
702 | case ARG_CURSOR: | |
703 | if (arg_cursor) { | |
704 | log_error("cannot use more than one --cursor/--after-cursor"); | |
705 | return -EINVAL; | |
706 | } | |
707 | ||
708 | arg_cursor = optarg; | |
709 | break; | |
710 | ||
711 | case ARG_AFTER_CURSOR: | |
712 | if (arg_cursor) { | |
713 | log_error("cannot use more than one --cursor/--after-cursor"); | |
714 | return -EINVAL; | |
715 | } | |
716 | ||
717 | arg_cursor = optarg; | |
718 | arg_after_cursor = true; | |
719 | break; | |
720 | ||
721 | case ARG_FOLLOW: | |
dad29dff LP |
722 | if (optarg) { |
723 | r = parse_boolean(optarg); | |
724 | if (r < 0) { | |
725 | log_error("Failed to parse --follow= parameter."); | |
726 | return -EINVAL; | |
727 | } | |
728 | ||
729 | arg_follow = !!r; | |
730 | } else | |
731 | arg_follow = true; | |
eacbb4d3 | 732 | |
eacbb4d3 ZJS |
733 | break; |
734 | ||
722b6795 ZJS |
735 | case ARG_SAVE_STATE: |
736 | arg_save_state = optarg ?: STATE_FILE; | |
737 | break; | |
738 | ||
3d090cc6 ZJS |
739 | case '?': |
740 | log_error("Unknown option %s.", argv[optind-1]); | |
741 | return -EINVAL; | |
742 | ||
743 | case ':': | |
744 | log_error("Missing argument to %s.", argv[optind-1]); | |
745 | return -EINVAL; | |
746 | ||
747 | default: | |
748 | assert_not_reached("Unhandled option code."); | |
749 | } | |
750 | ||
751 | if (!arg_url) { | |
752 | log_error("Required --url/-u option missing."); | |
753 | return -EINVAL; | |
754 | } | |
755 | ||
7449bc1f ZJS |
756 | if (!!arg_key != !!arg_cert) { |
757 | log_error("Options --key and --cert must be used together."); | |
758 | return -EINVAL; | |
759 | } | |
760 | ||
eacbb4d3 ZJS |
761 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
762 | log_error("Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
763 | return -EINVAL; |
764 | } | |
765 | ||
766 | return 1; | |
767 | } | |
768 | ||
eacbb4d3 ZJS |
769 | static int open_journal(sd_journal **j) { |
770 | int r; | |
771 | ||
772 | if (arg_directory) | |
773 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
774 | else if (arg_file) | |
775 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
776 | else if (arg_machine) | |
777 | r = sd_journal_open_container(j, arg_machine, 0); | |
778 | else | |
779 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
780 | if (r < 0) | |
c33b3297 MS |
781 | log_error_errno(r, "Failed to open %s: %m", |
782 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
783 | return r; |
784 | } | |
3d090cc6 ZJS |
785 | |
786 | int main(int argc, char **argv) { | |
787 | Uploader u; | |
788 | int r; | |
eacbb4d3 | 789 | bool use_journal; |
3d090cc6 ZJS |
790 | |
791 | log_show_color(true); | |
792 | log_parse_environment(); | |
793 | ||
29fc0ddc | 794 | r = parse_config(); |
4015ac5c | 795 | if (r < 0) |
29fc0ddc ZJS |
796 | goto finish; |
797 | ||
3d090cc6 ZJS |
798 | r = parse_argv(argc, argv); |
799 | if (r <= 0) | |
800 | goto finish; | |
801 | ||
2cf4172a LP |
802 | sigbus_install(); |
803 | ||
722b6795 | 804 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
805 | if (r < 0) |
806 | goto cleanup; | |
807 | ||
a3152e76 ZJS |
808 | sd_event_set_watchdog(u.events, true); |
809 | ||
d71839af ZJS |
810 | r = check_cursor_updating(&u); |
811 | if (r < 0) | |
812 | goto cleanup; | |
813 | ||
3d090cc6 ZJS |
814 | log_debug("%s running as pid "PID_FMT, |
815 | program_invocation_short_name, getpid()); | |
eacbb4d3 ZJS |
816 | |
817 | use_journal = optind >= argc; | |
818 | if (use_journal) { | |
819 | sd_journal *j; | |
820 | r = open_journal(&j); | |
821 | if (r < 0) | |
822 | goto finish; | |
823 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
824 | arg_cursor ?: u.last_cursor, |
825 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
826 | !!arg_follow); |
827 | if (r < 0) | |
828 | goto finish; | |
829 | } | |
830 | ||
3d090cc6 ZJS |
831 | sd_notify(false, |
832 | "READY=1\n" | |
833 | "STATUS=Processing input..."); | |
834 | ||
57255510 | 835 | for (;;) { |
36d4739a ZJS |
836 | r = sd_event_get_state(u.events); |
837 | if (r < 0) | |
838 | break; | |
839 | if (r == SD_EVENT_FINISHED) | |
840 | break; | |
841 | ||
eacbb4d3 ZJS |
842 | if (use_journal) { |
843 | if (!u.journal) | |
844 | break; | |
845 | ||
846 | r = check_journal_input(&u); | |
847 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
848 | if (optind >= argc) |
849 | break; | |
850 | ||
851 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 852 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 853 | } |
eacbb4d3 ZJS |
854 | if (r < 0) |
855 | goto cleanup; | |
3d090cc6 | 856 | |
3d090cc6 | 857 | if (u.uploading) { |
eacbb4d3 ZJS |
858 | r = perform_upload(&u); |
859 | if (r < 0) | |
3d090cc6 | 860 | break; |
3d090cc6 ZJS |
861 | } |
862 | ||
eacbb4d3 | 863 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 864 | if (r < 0) { |
da927ba9 | 865 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
866 | break; |
867 | } | |
868 | } | |
869 | ||
870 | cleanup: | |
af4ec430 LP |
871 | sd_notify(false, |
872 | "STOPPING=1\n" | |
873 | "STATUS=Shutting down..."); | |
874 | ||
3d090cc6 ZJS |
875 | destroy_uploader(&u); |
876 | ||
877 | finish: | |
36d4739a | 878 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 879 | } |