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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 | ||
22 | #include <stdio.h> | |
23 | #include <curl/curl.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <getopt.h> | |
27 | ||
28 | #include "sd-daemon.h" | |
29 | ||
30 | #include "log.h" | |
31 | #include "util.h" | |
32 | #include "build.h" | |
722b6795 | 33 | #include "fileio.h" |
d71839af | 34 | #include "mkdir.h" |
29fc0ddc | 35 | #include "conf-parser.h" |
3d090cc6 ZJS |
36 | #include "journal-upload.h" |
37 | ||
799a8f39 ZJS |
38 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
39 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" | |
40 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
50a0b071 | 41 | #define DEFAULT_PORT 19532 |
29fc0ddc | 42 | |
3d090cc6 ZJS |
43 | static const char* arg_url; |
44 | ||
45 | static void close_fd_input(Uploader *u); | |
46 | ||
7449bc1f ZJS |
47 | static const char *arg_key = NULL; |
48 | static const char *arg_cert = NULL; | |
49 | static const char *arg_trust = NULL; | |
50 | ||
eacbb4d3 ZJS |
51 | static const char *arg_directory = NULL; |
52 | static char **arg_file = NULL; | |
53 | static const char *arg_cursor = NULL; | |
54 | static bool arg_after_cursor = false; | |
55 | static int arg_journal_type = 0; | |
56 | static const char *arg_machine = NULL; | |
57 | static bool arg_merge = false; | |
58 | static int arg_follow = -1; | |
722b6795 | 59 | static const char *arg_save_state = NULL; |
eacbb4d3 ZJS |
60 | |
61 | #define SERVER_ANSWER_KEEP 2048 | |
62 | ||
722b6795 ZJS |
63 | #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
64 | ||
3d090cc6 | 65 | #define easy_setopt(curl, opt, value, level, cmd) \ |
8847551b | 66 | do { \ |
3d090cc6 ZJS |
67 | code = curl_easy_setopt(curl, opt, value); \ |
68 | if (code) { \ | |
69 | log_full(level, \ | |
70 | "curl_easy_setopt " #opt " failed: %s", \ | |
71 | curl_easy_strerror(code)); \ | |
72 | cmd; \ | |
73 | } \ | |
8847551b | 74 | } while(0) |
3d090cc6 | 75 | |
eacbb4d3 ZJS |
76 | static size_t output_callback(char *buf, |
77 | size_t size, | |
78 | size_t nmemb, | |
79 | void *userp) { | |
80 | Uploader *u = userp; | |
81 | ||
82 | assert(u); | |
83 | ||
84 | log_debug("The server answers (%zu bytes): %.*s", | |
85 | size*nmemb, (int)(size*nmemb), buf); | |
86 | ||
87 | if (nmemb && !u->answer) { | |
88 | u->answer = strndup(buf, size*nmemb); | |
89 | if (!u->answer) | |
c33b3297 MS |
90 | log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
91 | size*nmemb); | |
eacbb4d3 ZJS |
92 | } |
93 | ||
94 | return size * nmemb; | |
95 | } | |
96 | ||
d71839af ZJS |
97 | static int check_cursor_updating(Uploader *u) { |
98 | _cleanup_free_ char *temp_path = NULL; | |
99 | _cleanup_fclose_ FILE *f = NULL; | |
100 | int r; | |
101 | ||
102 | if (!u->state_file) | |
103 | return 0; | |
104 | ||
105 | r = mkdir_parents(u->state_file, 0755); | |
eb56eb9b MS |
106 | if (r < 0) |
107 | return log_error_errno(r, "Cannot create parent directory of state file %s: %m", | |
108 | u->state_file); | |
d71839af ZJS |
109 | |
110 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
eb56eb9b MS |
111 | if (r < 0) |
112 | return log_error_errno(r, "Cannot save state to %s: %m", | |
113 | u->state_file); | |
d71839af ZJS |
114 | unlink(temp_path); |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
722b6795 ZJS |
119 | static int update_cursor_state(Uploader *u) { |
120 | _cleanup_free_ char *temp_path = NULL; | |
121 | _cleanup_fclose_ FILE *f = NULL; | |
122 | int r; | |
123 | ||
124 | if (!u->state_file || !u->last_cursor) | |
125 | return 0; | |
126 | ||
127 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
128 | if (r < 0) | |
129 | goto finish; | |
130 | ||
131 | fprintf(f, | |
132 | "# This is private data. Do not parse.\n" | |
133 | "LAST_CURSOR=%s\n", | |
134 | u->last_cursor); | |
135 | ||
136 | fflush(f); | |
137 | ||
138 | if (ferror(f) || rename(temp_path, u->state_file) < 0) { | |
139 | r = -errno; | |
140 | unlink(u->state_file); | |
141 | unlink(temp_path); | |
142 | } | |
143 | ||
144 | finish: | |
145 | if (r < 0) | |
da927ba9 | 146 | log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
722b6795 ZJS |
147 | |
148 | return r; | |
149 | } | |
150 | ||
151 | static int load_cursor_state(Uploader *u) { | |
152 | int r; | |
153 | ||
154 | if (!u->state_file) | |
155 | return 0; | |
156 | ||
157 | r = parse_env_file(u->state_file, NEWLINE, | |
158 | "LAST_CURSOR", &u->last_cursor, | |
159 | NULL); | |
160 | ||
36d4739a ZJS |
161 | if (r == -ENOENT) |
162 | log_debug("State file %s is not present.", u->state_file); | |
eb56eb9b MS |
163 | else if (r < 0) |
164 | return log_error_errno(r, "Failed to read state file %s: %m", | |
165 | u->state_file); | |
166 | else | |
36d4739a | 167 | log_debug("Last cursor was %s", u->last_cursor); |
722b6795 ZJS |
168 | |
169 | return 0; | |
170 | } | |
171 | ||
172 | ||
173 | ||
3d090cc6 ZJS |
174 | int start_upload(Uploader *u, |
175 | size_t (*input_callback)(void *ptr, | |
176 | size_t size, | |
177 | size_t nmemb, | |
178 | void *userdata), | |
179 | void *data) { | |
180 | CURLcode code; | |
181 | ||
182 | assert(u); | |
183 | assert(input_callback); | |
184 | ||
185 | if (!u->header) { | |
186 | struct curl_slist *h; | |
187 | ||
188 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
189 | if (!h) | |
190 | return log_oom(); | |
191 | ||
192 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
193 | if (!h) { | |
194 | curl_slist_free_all(h); | |
195 | return log_oom(); | |
196 | } | |
197 | ||
198 | h = curl_slist_append(h, "Accept: text/plain"); | |
199 | if (!h) { | |
200 | curl_slist_free_all(h); | |
201 | return log_oom(); | |
202 | } | |
203 | ||
204 | u->header = h; | |
205 | } | |
206 | ||
207 | if (!u->easy) { | |
208 | CURL *curl; | |
209 | ||
210 | curl = curl_easy_init(); | |
211 | if (!curl) { | |
212 | log_error("Call to curl_easy_init failed."); | |
213 | return -ENOSR; | |
214 | } | |
215 | ||
216 | /* tell it to POST to the URL */ | |
217 | easy_setopt(curl, CURLOPT_POST, 1L, | |
218 | LOG_ERR, return -EXFULL); | |
219 | ||
b88a40a7 | 220 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
221 | LOG_ERR, return -EXFULL); |
222 | ||
223 | /* set where to write to */ | |
224 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
225 | LOG_ERR, return -EXFULL); | |
226 | ||
227 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
228 | LOG_ERR, return -EXFULL); | |
229 | ||
3d090cc6 ZJS |
230 | /* set where to read from */ |
231 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
232 | LOG_ERR, return -EXFULL); | |
233 | ||
234 | easy_setopt(curl, CURLOPT_READDATA, data, | |
235 | LOG_ERR, return -EXFULL); | |
236 | ||
237 | /* use our special own mime type and chunked transfer */ | |
238 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
239 | LOG_ERR, return -EXFULL); | |
240 | ||
241 | /* enable verbose for easier tracing */ | |
242 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
243 | ||
244 | easy_setopt(curl, CURLOPT_USERAGENT, | |
245 | "systemd-journal-upload " PACKAGE_STRING, | |
246 | LOG_WARNING, ); | |
247 | ||
29fc0ddc | 248 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 249 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 250 | LOG_ERR, return -EXFULL); |
29fc0ddc | 251 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
252 | LOG_ERR, return -EXFULL); |
253 | } | |
254 | ||
8847551b ZJS |
255 | if (streq_ptr(arg_trust, "all")) |
256 | easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, | |
257 | LOG_ERR, return -EUCLEAN); | |
258 | else if (arg_trust || startswith(u->url, "https://")) | |
29fc0ddc | 259 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
7449bc1f ZJS |
260 | LOG_ERR, return -EXFULL); |
261 | ||
262 | if (arg_key || arg_trust) | |
263 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
264 | LOG_WARNING, ); | |
265 | ||
3d090cc6 | 266 | u->easy = curl; |
eacbb4d3 ZJS |
267 | } else { |
268 | /* truncate the potential old error message */ | |
269 | u->error[0] = '\0'; | |
270 | ||
271 | free(u->answer); | |
272 | u->answer = 0; | |
3d090cc6 ZJS |
273 | } |
274 | ||
275 | /* upload to this place */ | |
276 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
277 | if (code) { | |
278 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
279 | curl_easy_strerror(code)); | |
280 | return -EXFULL; | |
281 | } | |
282 | ||
283 | u->uploading = true; | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
288 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
289 | Uploader *u = userp; | |
290 | ||
291 | ssize_t r; | |
292 | ||
293 | assert(u); | |
294 | assert(nmemb <= SSIZE_MAX / size); | |
295 | ||
296 | if (u->input < 0) | |
297 | return 0; | |
298 | ||
299 | r = read(u->input, buf, size * nmemb); | |
300 | log_debug("%s: allowed %zu, read %zu", __func__, size*nmemb, r); | |
301 | ||
302 | if (r > 0) | |
303 | return r; | |
304 | ||
305 | u->uploading = false; | |
306 | if (r == 0) { | |
307 | log_debug("Reached EOF"); | |
308 | close_fd_input(u); | |
309 | return 0; | |
310 | } else { | |
311 | log_error("Aborting transfer after read error on input: %m."); | |
312 | return CURL_READFUNC_ABORT; | |
313 | } | |
314 | } | |
315 | ||
316 | static void close_fd_input(Uploader *u) { | |
317 | assert(u); | |
318 | ||
319 | if (u->input >= 0) | |
320 | close_nointr(u->input); | |
321 | u->input = -1; | |
eacbb4d3 | 322 | u->timeout = 0; |
3d090cc6 ZJS |
323 | } |
324 | ||
325 | static int dispatch_fd_input(sd_event_source *event, | |
326 | int fd, | |
327 | uint32_t revents, | |
328 | void *userp) { | |
329 | Uploader *u = userp; | |
330 | ||
331 | assert(u); | |
3d090cc6 ZJS |
332 | assert(fd >= 0); |
333 | ||
8201af08 ZJS |
334 | if (revents & EPOLLHUP) { |
335 | log_debug("Received HUP"); | |
336 | close_fd_input(u); | |
337 | return 0; | |
338 | } | |
339 | ||
340 | if (!(revents & EPOLLIN)) { | |
341 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
342 | return -EINVAL; | |
343 | } | |
344 | ||
3d090cc6 ZJS |
345 | if (u->uploading) { |
346 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
347 | return 0; | |
348 | } | |
349 | ||
350 | return start_upload(u, fd_input_callback, u); | |
351 | } | |
352 | ||
353 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 354 | int fd, r = 0; |
3d090cc6 ZJS |
355 | |
356 | if (streq(filename, "-")) | |
357 | fd = STDIN_FILENO; | |
358 | else { | |
359 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
360 | if (fd < 0) { | |
361 | log_error("Failed to open %s: %m", filename); | |
362 | return -errno; | |
363 | } | |
364 | } | |
365 | ||
366 | u->input = fd; | |
367 | ||
eacbb4d3 ZJS |
368 | if (arg_follow) { |
369 | r = sd_event_add_io(u->events, &u->input_event, | |
370 | fd, EPOLLIN, dispatch_fd_input, u); | |
371 | if (r < 0) { | |
eb56eb9b MS |
372 | if (r != -EPERM || arg_follow > 0) |
373 | return log_error_errno(r, "Failed to register input event: %m"); | |
3d090cc6 | 374 | |
eacbb4d3 ZJS |
375 | /* Normal files should just be consumed without polling. */ |
376 | r = start_upload(u, fd_input_callback, u); | |
377 | } | |
3d090cc6 | 378 | } |
eacbb4d3 | 379 | |
3d090cc6 ZJS |
380 | return r; |
381 | } | |
382 | ||
a3152e76 ZJS |
383 | static int dispatch_sigterm(sd_event_source *event, |
384 | const struct signalfd_siginfo *si, | |
385 | void *userdata) { | |
386 | Uploader *u = userdata; | |
387 | ||
388 | assert(u); | |
389 | ||
390 | log_received_signal(LOG_INFO, si); | |
391 | ||
392 | close_fd_input(u); | |
393 | close_journal_input(u); | |
394 | ||
395 | sd_event_exit(u->events, 0); | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static int setup_signals(Uploader *u) { | |
400 | sigset_t mask; | |
401 | int r; | |
402 | ||
403 | assert(u); | |
404 | ||
405 | assert_se(sigemptyset(&mask) == 0); | |
406 | sigset_add_many(&mask, SIGINT, SIGTERM, -1); | |
407 | assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); | |
408 | ||
409 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
410 | if (r < 0) | |
411 | return r; | |
412 | ||
413 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
414 | if (r < 0) | |
415 | return r; | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
722b6795 | 420 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 421 | int r; |
50a0b071 | 422 | const char *host, *proto = ""; |
3d090cc6 ZJS |
423 | |
424 | assert(u); | |
425 | assert(url); | |
426 | ||
427 | memzero(u, sizeof(Uploader)); | |
428 | u->input = -1; | |
429 | ||
50a0b071 ZJS |
430 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
431 | host = url; | |
432 | proto = "https://"; | |
433 | } | |
434 | ||
435 | if (strchr(host, ':')) | |
436 | u->url = strjoin(proto, url, "/upload", NULL); | |
437 | else { | |
438 | char *t; | |
439 | size_t x; | |
5bc89120 | 440 | |
50a0b071 ZJS |
441 | t = strdupa(url); |
442 | x = strlen(t); | |
443 | while (x > 0 && t[x - 1] == '/') | |
444 | t[x - 1] = '\0'; | |
445 | ||
446 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload", NULL); | |
447 | } | |
5bc89120 ZJS |
448 | if (!u->url) |
449 | return log_oom(); | |
450 | ||
722b6795 | 451 | u->state_file = state_file; |
3d090cc6 ZJS |
452 | |
453 | r = sd_event_default(&u->events); | |
eb56eb9b MS |
454 | if (r < 0) |
455 | return log_error_errno(r, "sd_event_default failed: %m"); | |
3d090cc6 | 456 | |
a3152e76 | 457 | r = setup_signals(u); |
eb56eb9b MS |
458 | if (r < 0) |
459 | return log_error_errno(r, "Failed to set up signals: %m"); | |
a3152e76 | 460 | |
722b6795 | 461 | return load_cursor_state(u); |
3d090cc6 ZJS |
462 | } |
463 | ||
464 | static void destroy_uploader(Uploader *u) { | |
465 | assert(u); | |
466 | ||
467 | curl_easy_cleanup(u->easy); | |
468 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
469 | free(u->answer); |
470 | ||
471 | free(u->last_cursor); | |
722b6795 | 472 | free(u->current_cursor); |
3d090cc6 | 473 | |
5bc89120 ZJS |
474 | free(u->url); |
475 | ||
3d090cc6 ZJS |
476 | u->input_event = sd_event_source_unref(u->input_event); |
477 | ||
478 | close_fd_input(u); | |
eacbb4d3 | 479 | close_journal_input(u); |
3d090cc6 | 480 | |
a3152e76 ZJS |
481 | sd_event_source_unref(u->sigterm_event); |
482 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
483 | sd_event_unref(u->events); |
484 | } | |
485 | ||
eacbb4d3 ZJS |
486 | static int perform_upload(Uploader *u) { |
487 | CURLcode code; | |
488 | long status; | |
489 | ||
490 | assert(u); | |
491 | ||
492 | code = curl_easy_perform(u->easy); | |
493 | if (code) { | |
30776485 ZJS |
494 | if (u->error[0]) |
495 | log_error("Upload to %s failed: %.*s", | |
496 | u->url, (int) sizeof(u->error), u->error); | |
497 | else | |
498 | log_error("Upload to %s failed: %s", | |
499 | u->url, curl_easy_strerror(code)); | |
eacbb4d3 ZJS |
500 | return -EIO; |
501 | } | |
502 | ||
503 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
504 | if (code) { | |
505 | log_error("Failed to retrieve response code: %s", | |
506 | curl_easy_strerror(code)); | |
507 | return -EUCLEAN; | |
508 | } | |
509 | ||
510 | if (status >= 300) { | |
511 | log_error("Upload to %s failed with code %lu: %s", | |
512 | u->url, status, strna(u->answer)); | |
513 | return -EIO; | |
514 | } else if (status < 200) { | |
515 | log_error("Upload to %s finished with unexpected code %lu: %s", | |
516 | u->url, status, strna(u->answer)); | |
517 | return -EIO; | |
518 | } else | |
519 | log_debug("Upload finished successfully with code %lu: %s", | |
520 | status, strna(u->answer)); | |
722b6795 ZJS |
521 | |
522 | free(u->last_cursor); | |
523 | u->last_cursor = u->current_cursor; | |
524 | u->current_cursor = NULL; | |
525 | ||
526 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
527 | } |
528 | ||
29fc0ddc ZJS |
529 | static int parse_config(void) { |
530 | const ConfigTableItem items[] = { | |
531 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
532 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
533 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
534 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
535 | {}}; | |
29fc0ddc | 536 | |
36f822c4 ZJS |
537 | return config_parse(NULL, PKGSYSCONFDIR "/journal-upload.conf", NULL, |
538 | "Upload\0", | |
539 | config_item_table_lookup, items, | |
540 | false, false, true, NULL); | |
29fc0ddc ZJS |
541 | } |
542 | ||
3d090cc6 ZJS |
543 | static void help(void) { |
544 | printf("%s -u URL {FILE|-}...\n\n" | |
545 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
546 | " -h --help Show this help\n" |
547 | " --version Show package version\n" | |
50a0b071 ZJS |
548 | " -u --url=URL Upload to this address (default port " |
549 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
550 | " --key=FILENAME Specify key in PEM format (default:\n" |
551 | " \"" PRIV_KEY_FILE "\")\n" | |
552 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
553 | " \"" CERT_FILE "\")\n" | |
554 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
555 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
556 | " --system Use the system journal\n" |
557 | " --user Use the user journal for the current user\n" | |
558 | " -m --merge Use all available journals\n" | |
559 | " -M --machine=CONTAINER Operate on local container\n" | |
560 | " -D --directory=PATH Use journal files from directory\n" | |
561 | " --file=PATH Use this journal file\n" | |
562 | " --cursor=CURSOR Start at the specified cursor\n" | |
563 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
564 | " --follow[=BOOL] Do [not] wait for input\n" | |
565 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
566 | " " STATE_FILE ")\n" | |
567 | " -h --help Show this help and exit\n" | |
568 | " --version Print version string and exit\n" | |
3d090cc6 ZJS |
569 | , program_invocation_short_name); |
570 | } | |
571 | ||
572 | static int parse_argv(int argc, char *argv[]) { | |
573 | enum { | |
574 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
575 | ARG_KEY, |
576 | ARG_CERT, | |
577 | ARG_TRUST, | |
eacbb4d3 ZJS |
578 | ARG_USER, |
579 | ARG_SYSTEM, | |
580 | ARG_FILE, | |
581 | ARG_CURSOR, | |
582 | ARG_AFTER_CURSOR, | |
583 | ARG_FOLLOW, | |
722b6795 | 584 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
585 | }; |
586 | ||
587 | static const struct option options[] = { | |
588 | { "help", no_argument, NULL, 'h' }, | |
589 | { "version", no_argument, NULL, ARG_VERSION }, | |
590 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
591 | { "key", required_argument, NULL, ARG_KEY }, |
592 | { "cert", required_argument, NULL, ARG_CERT }, | |
593 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
594 | { "system", no_argument, NULL, ARG_SYSTEM }, |
595 | { "user", no_argument, NULL, ARG_USER }, | |
596 | { "merge", no_argument, NULL, 'm' }, | |
597 | { "machine", required_argument, NULL, 'M' }, | |
598 | { "directory", required_argument, NULL, 'D' }, | |
599 | { "file", required_argument, NULL, ARG_FILE }, | |
600 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
601 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 602 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 603 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
604 | {} |
605 | }; | |
606 | ||
eacbb4d3 | 607 | int c, r; |
3d090cc6 ZJS |
608 | |
609 | assert(argc >= 0); | |
610 | assert(argv); | |
611 | ||
612 | opterr = 0; | |
613 | ||
eacbb4d3 | 614 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
615 | switch(c) { |
616 | case 'h': | |
617 | help(); | |
618 | return 0 /* done */; | |
619 | ||
620 | case ARG_VERSION: | |
621 | puts(PACKAGE_STRING); | |
622 | puts(SYSTEMD_FEATURES); | |
623 | return 0 /* done */; | |
624 | ||
625 | case 'u': | |
626 | if (arg_url) { | |
627 | log_error("cannot use more than one --url"); | |
628 | return -EINVAL; | |
629 | } | |
630 | ||
631 | arg_url = optarg; | |
632 | break; | |
633 | ||
7449bc1f ZJS |
634 | case ARG_KEY: |
635 | if (arg_key) { | |
636 | log_error("cannot use more than one --key"); | |
637 | return -EINVAL; | |
638 | } | |
639 | ||
640 | arg_key = optarg; | |
641 | break; | |
642 | ||
643 | case ARG_CERT: | |
644 | if (arg_cert) { | |
645 | log_error("cannot use more than one --cert"); | |
646 | return -EINVAL; | |
647 | } | |
648 | ||
649 | arg_cert = optarg; | |
650 | break; | |
651 | ||
652 | case ARG_TRUST: | |
653 | if (arg_trust) { | |
654 | log_error("cannot use more than one --trust"); | |
655 | return -EINVAL; | |
656 | } | |
657 | ||
658 | arg_trust = optarg; | |
659 | break; | |
660 | ||
eacbb4d3 ZJS |
661 | case ARG_SYSTEM: |
662 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
663 | break; | |
664 | ||
665 | case ARG_USER: | |
666 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
667 | break; | |
668 | ||
669 | case 'm': | |
670 | arg_merge = true; | |
671 | break; | |
672 | ||
673 | case 'M': | |
674 | if (arg_machine) { | |
675 | log_error("cannot use more than one --machine/-M"); | |
676 | return -EINVAL; | |
677 | } | |
678 | ||
679 | arg_machine = optarg; | |
680 | break; | |
681 | ||
682 | case 'D': | |
683 | if (arg_directory) { | |
684 | log_error("cannot use more than one --directory/-D"); | |
685 | return -EINVAL; | |
686 | } | |
687 | ||
688 | arg_directory = optarg; | |
689 | break; | |
690 | ||
691 | case ARG_FILE: | |
692 | r = glob_extend(&arg_file, optarg); | |
eb56eb9b MS |
693 | if (r < 0) |
694 | return log_error_errno(r, "Failed to add paths: %m"); | |
eacbb4d3 ZJS |
695 | break; |
696 | ||
697 | case ARG_CURSOR: | |
698 | if (arg_cursor) { | |
699 | log_error("cannot use more than one --cursor/--after-cursor"); | |
700 | return -EINVAL; | |
701 | } | |
702 | ||
703 | arg_cursor = optarg; | |
704 | break; | |
705 | ||
706 | case ARG_AFTER_CURSOR: | |
707 | if (arg_cursor) { | |
708 | log_error("cannot use more than one --cursor/--after-cursor"); | |
709 | return -EINVAL; | |
710 | } | |
711 | ||
712 | arg_cursor = optarg; | |
713 | arg_after_cursor = true; | |
714 | break; | |
715 | ||
716 | case ARG_FOLLOW: | |
dad29dff LP |
717 | if (optarg) { |
718 | r = parse_boolean(optarg); | |
719 | if (r < 0) { | |
720 | log_error("Failed to parse --follow= parameter."); | |
721 | return -EINVAL; | |
722 | } | |
723 | ||
724 | arg_follow = !!r; | |
725 | } else | |
726 | arg_follow = true; | |
eacbb4d3 | 727 | |
eacbb4d3 ZJS |
728 | break; |
729 | ||
722b6795 ZJS |
730 | case ARG_SAVE_STATE: |
731 | arg_save_state = optarg ?: STATE_FILE; | |
732 | break; | |
733 | ||
3d090cc6 ZJS |
734 | case '?': |
735 | log_error("Unknown option %s.", argv[optind-1]); | |
736 | return -EINVAL; | |
737 | ||
738 | case ':': | |
739 | log_error("Missing argument to %s.", argv[optind-1]); | |
740 | return -EINVAL; | |
741 | ||
742 | default: | |
743 | assert_not_reached("Unhandled option code."); | |
744 | } | |
745 | ||
746 | if (!arg_url) { | |
747 | log_error("Required --url/-u option missing."); | |
748 | return -EINVAL; | |
749 | } | |
750 | ||
7449bc1f ZJS |
751 | if (!!arg_key != !!arg_cert) { |
752 | log_error("Options --key and --cert must be used together."); | |
753 | return -EINVAL; | |
754 | } | |
755 | ||
eacbb4d3 ZJS |
756 | if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
757 | log_error("Input arguments make no sense with journal input."); | |
3d090cc6 ZJS |
758 | return -EINVAL; |
759 | } | |
760 | ||
761 | return 1; | |
762 | } | |
763 | ||
eacbb4d3 ZJS |
764 | static int open_journal(sd_journal **j) { |
765 | int r; | |
766 | ||
767 | if (arg_directory) | |
768 | r = sd_journal_open_directory(j, arg_directory, arg_journal_type); | |
769 | else if (arg_file) | |
770 | r = sd_journal_open_files(j, (const char**) arg_file, 0); | |
771 | else if (arg_machine) | |
772 | r = sd_journal_open_container(j, arg_machine, 0); | |
773 | else | |
774 | r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); | |
775 | if (r < 0) | |
c33b3297 MS |
776 | log_error_errno(r, "Failed to open %s: %m", |
777 | arg_directory ? arg_directory : arg_file ? "files" : "journal"); | |
eacbb4d3 ZJS |
778 | return r; |
779 | } | |
3d090cc6 ZJS |
780 | |
781 | int main(int argc, char **argv) { | |
782 | Uploader u; | |
783 | int r; | |
eacbb4d3 | 784 | bool use_journal; |
3d090cc6 ZJS |
785 | |
786 | log_show_color(true); | |
787 | log_parse_environment(); | |
788 | ||
29fc0ddc | 789 | r = parse_config(); |
4015ac5c | 790 | if (r < 0) |
29fc0ddc ZJS |
791 | goto finish; |
792 | ||
3d090cc6 ZJS |
793 | r = parse_argv(argc, argv); |
794 | if (r <= 0) | |
795 | goto finish; | |
796 | ||
722b6795 | 797 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
798 | if (r < 0) |
799 | goto cleanup; | |
800 | ||
a3152e76 ZJS |
801 | sd_event_set_watchdog(u.events, true); |
802 | ||
d71839af ZJS |
803 | r = check_cursor_updating(&u); |
804 | if (r < 0) | |
805 | goto cleanup; | |
806 | ||
3d090cc6 ZJS |
807 | log_debug("%s running as pid "PID_FMT, |
808 | program_invocation_short_name, getpid()); | |
eacbb4d3 ZJS |
809 | |
810 | use_journal = optind >= argc; | |
811 | if (use_journal) { | |
812 | sd_journal *j; | |
813 | r = open_journal(&j); | |
814 | if (r < 0) | |
815 | goto finish; | |
816 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
817 | arg_cursor ?: u.last_cursor, |
818 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
819 | !!arg_follow); |
820 | if (r < 0) | |
821 | goto finish; | |
822 | } | |
823 | ||
3d090cc6 ZJS |
824 | sd_notify(false, |
825 | "READY=1\n" | |
826 | "STATUS=Processing input..."); | |
827 | ||
828 | while (true) { | |
36d4739a ZJS |
829 | r = sd_event_get_state(u.events); |
830 | if (r < 0) | |
831 | break; | |
832 | if (r == SD_EVENT_FINISHED) | |
833 | break; | |
834 | ||
eacbb4d3 ZJS |
835 | if (use_journal) { |
836 | if (!u.journal) | |
837 | break; | |
838 | ||
839 | r = check_journal_input(&u); | |
840 | } else if (u.input < 0 && !use_journal) { | |
3d090cc6 ZJS |
841 | if (optind >= argc) |
842 | break; | |
843 | ||
844 | log_debug("Using %s as input.", argv[optind]); | |
3d090cc6 | 845 | r = open_file_for_upload(&u, argv[optind++]); |
3d090cc6 | 846 | } |
eacbb4d3 ZJS |
847 | if (r < 0) |
848 | goto cleanup; | |
3d090cc6 | 849 | |
3d090cc6 | 850 | if (u.uploading) { |
eacbb4d3 ZJS |
851 | r = perform_upload(&u); |
852 | if (r < 0) | |
3d090cc6 | 853 | break; |
3d090cc6 ZJS |
854 | } |
855 | ||
eacbb4d3 | 856 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 | 857 | if (r < 0) { |
da927ba9 | 858 | log_error_errno(r, "Failed to run event loop: %m"); |
3d090cc6 ZJS |
859 | break; |
860 | } | |
861 | } | |
862 | ||
863 | cleanup: | |
af4ec430 LP |
864 | sd_notify(false, |
865 | "STOPPING=1\n" | |
866 | "STATUS=Shutting down..."); | |
867 | ||
3d090cc6 ZJS |
868 | destroy_uploader(&u); |
869 | ||
870 | finish: | |
36d4739a | 871 | return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
3d090cc6 | 872 | } |