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