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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 ZJS |
65 | #define easy_setopt(curl, opt, value, level, cmd) \ |
66 | { \ | |
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 | } \ | |
74 | } | |
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) | |
90 | log_warning("Failed to store server answer (%zu bytes): %s", | |
91 | size*nmemb, strerror(ENOMEM)); | |
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); | |
106 | if (r < 0) { | |
107 | log_error("Cannot create parent directory of state file %s: %s", | |
108 | u->state_file, strerror(-r)); | |
109 | return r; | |
110 | } | |
111 | ||
112 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
113 | if (r < 0) { | |
114 | log_error("Cannot save state to %s: %s", | |
115 | u->state_file, strerror(-r)); | |
116 | return r; | |
117 | } | |
118 | unlink(temp_path); | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
722b6795 ZJS |
123 | static int update_cursor_state(Uploader *u) { |
124 | _cleanup_free_ char *temp_path = NULL; | |
125 | _cleanup_fclose_ FILE *f = NULL; | |
126 | int r; | |
127 | ||
128 | if (!u->state_file || !u->last_cursor) | |
129 | return 0; | |
130 | ||
131 | r = fopen_temporary(u->state_file, &f, &temp_path); | |
132 | if (r < 0) | |
133 | goto finish; | |
134 | ||
135 | fprintf(f, | |
136 | "# This is private data. Do not parse.\n" | |
137 | "LAST_CURSOR=%s\n", | |
138 | u->last_cursor); | |
139 | ||
140 | fflush(f); | |
141 | ||
142 | if (ferror(f) || rename(temp_path, u->state_file) < 0) { | |
143 | r = -errno; | |
144 | unlink(u->state_file); | |
145 | unlink(temp_path); | |
146 | } | |
147 | ||
148 | finish: | |
149 | if (r < 0) | |
150 | log_error("Failed to save state %s: %s", u->state_file, strerror(-r)); | |
151 | ||
152 | return r; | |
153 | } | |
154 | ||
155 | static int load_cursor_state(Uploader *u) { | |
156 | int r; | |
157 | ||
158 | if (!u->state_file) | |
159 | return 0; | |
160 | ||
161 | r = parse_env_file(u->state_file, NEWLINE, | |
162 | "LAST_CURSOR", &u->last_cursor, | |
163 | NULL); | |
164 | ||
165 | if (r < 0 && r != -ENOENT) { | |
166 | log_error("Failed to read state file %s: %s", | |
167 | u->state_file, strerror(-r)); | |
168 | return r; | |
169 | } | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
174 | ||
175 | ||
3d090cc6 ZJS |
176 | int start_upload(Uploader *u, |
177 | size_t (*input_callback)(void *ptr, | |
178 | size_t size, | |
179 | size_t nmemb, | |
180 | void *userdata), | |
181 | void *data) { | |
182 | CURLcode code; | |
183 | ||
184 | assert(u); | |
185 | assert(input_callback); | |
186 | ||
187 | if (!u->header) { | |
188 | struct curl_slist *h; | |
189 | ||
190 | h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); | |
191 | if (!h) | |
192 | return log_oom(); | |
193 | ||
194 | h = curl_slist_append(h, "Transfer-Encoding: chunked"); | |
195 | if (!h) { | |
196 | curl_slist_free_all(h); | |
197 | return log_oom(); | |
198 | } | |
199 | ||
200 | h = curl_slist_append(h, "Accept: text/plain"); | |
201 | if (!h) { | |
202 | curl_slist_free_all(h); | |
203 | return log_oom(); | |
204 | } | |
205 | ||
206 | u->header = h; | |
207 | } | |
208 | ||
209 | if (!u->easy) { | |
210 | CURL *curl; | |
211 | ||
212 | curl = curl_easy_init(); | |
213 | if (!curl) { | |
214 | log_error("Call to curl_easy_init failed."); | |
215 | return -ENOSR; | |
216 | } | |
217 | ||
218 | /* tell it to POST to the URL */ | |
219 | easy_setopt(curl, CURLOPT_POST, 1L, | |
220 | LOG_ERR, return -EXFULL); | |
221 | ||
b88a40a7 | 222 | easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
eacbb4d3 ZJS |
223 | LOG_ERR, return -EXFULL); |
224 | ||
225 | /* set where to write to */ | |
226 | easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, | |
227 | LOG_ERR, return -EXFULL); | |
228 | ||
229 | easy_setopt(curl, CURLOPT_WRITEDATA, data, | |
230 | LOG_ERR, return -EXFULL); | |
231 | ||
3d090cc6 ZJS |
232 | /* set where to read from */ |
233 | easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, | |
234 | LOG_ERR, return -EXFULL); | |
235 | ||
236 | easy_setopt(curl, CURLOPT_READDATA, data, | |
237 | LOG_ERR, return -EXFULL); | |
238 | ||
239 | /* use our special own mime type and chunked transfer */ | |
240 | easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, | |
241 | LOG_ERR, return -EXFULL); | |
242 | ||
243 | /* enable verbose for easier tracing */ | |
244 | easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); | |
245 | ||
246 | easy_setopt(curl, CURLOPT_USERAGENT, | |
247 | "systemd-journal-upload " PACKAGE_STRING, | |
248 | LOG_WARNING, ); | |
249 | ||
29fc0ddc | 250 | if (arg_key || startswith(u->url, "https://")) { |
799a8f39 | 251 | easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
7449bc1f | 252 | LOG_ERR, return -EXFULL); |
29fc0ddc | 253 | easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
7449bc1f ZJS |
254 | LOG_ERR, return -EXFULL); |
255 | } | |
256 | ||
29fc0ddc ZJS |
257 | if (arg_trust || startswith(u->url, "https://")) |
258 | easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, | |
7449bc1f ZJS |
259 | LOG_ERR, return -EXFULL); |
260 | ||
261 | if (arg_key || arg_trust) | |
262 | easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, | |
263 | LOG_WARNING, ); | |
264 | ||
3d090cc6 | 265 | u->easy = curl; |
eacbb4d3 ZJS |
266 | } else { |
267 | /* truncate the potential old error message */ | |
268 | u->error[0] = '\0'; | |
269 | ||
270 | free(u->answer); | |
271 | u->answer = 0; | |
3d090cc6 ZJS |
272 | } |
273 | ||
274 | /* upload to this place */ | |
275 | code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); | |
276 | if (code) { | |
277 | log_error("curl_easy_setopt CURLOPT_URL failed: %s", | |
278 | curl_easy_strerror(code)); | |
279 | return -EXFULL; | |
280 | } | |
281 | ||
282 | u->uploading = true; | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { | |
288 | Uploader *u = userp; | |
289 | ||
290 | ssize_t r; | |
291 | ||
292 | assert(u); | |
293 | assert(nmemb <= SSIZE_MAX / size); | |
294 | ||
295 | if (u->input < 0) | |
296 | return 0; | |
297 | ||
298 | r = read(u->input, buf, size * nmemb); | |
299 | log_debug("%s: allowed %zu, read %zu", __func__, size*nmemb, r); | |
300 | ||
301 | if (r > 0) | |
302 | return r; | |
303 | ||
304 | u->uploading = false; | |
305 | if (r == 0) { | |
306 | log_debug("Reached EOF"); | |
307 | close_fd_input(u); | |
308 | return 0; | |
309 | } else { | |
310 | log_error("Aborting transfer after read error on input: %m."); | |
311 | return CURL_READFUNC_ABORT; | |
312 | } | |
313 | } | |
314 | ||
315 | static void close_fd_input(Uploader *u) { | |
316 | assert(u); | |
317 | ||
318 | if (u->input >= 0) | |
319 | close_nointr(u->input); | |
320 | u->input = -1; | |
eacbb4d3 | 321 | u->timeout = 0; |
3d090cc6 ZJS |
322 | } |
323 | ||
324 | static int dispatch_fd_input(sd_event_source *event, | |
325 | int fd, | |
326 | uint32_t revents, | |
327 | void *userp) { | |
328 | Uploader *u = userp; | |
329 | ||
330 | assert(u); | |
3d090cc6 ZJS |
331 | assert(fd >= 0); |
332 | ||
8201af08 ZJS |
333 | if (revents & EPOLLHUP) { |
334 | log_debug("Received HUP"); | |
335 | close_fd_input(u); | |
336 | return 0; | |
337 | } | |
338 | ||
339 | if (!(revents & EPOLLIN)) { | |
340 | log_warning("Unexpected poll event %"PRIu32".", revents); | |
341 | return -EINVAL; | |
342 | } | |
343 | ||
3d090cc6 ZJS |
344 | if (u->uploading) { |
345 | log_warning("dispatch_fd_input called when uploading, ignoring."); | |
346 | return 0; | |
347 | } | |
348 | ||
349 | return start_upload(u, fd_input_callback, u); | |
350 | } | |
351 | ||
352 | static int open_file_for_upload(Uploader *u, const char *filename) { | |
e1ad6e24 | 353 | int fd, r = 0; |
3d090cc6 ZJS |
354 | |
355 | if (streq(filename, "-")) | |
356 | fd = STDIN_FILENO; | |
357 | else { | |
358 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
359 | if (fd < 0) { | |
360 | log_error("Failed to open %s: %m", filename); | |
361 | return -errno; | |
362 | } | |
363 | } | |
364 | ||
365 | u->input = fd; | |
366 | ||
eacbb4d3 ZJS |
367 | if (arg_follow) { |
368 | r = sd_event_add_io(u->events, &u->input_event, | |
369 | fd, EPOLLIN, dispatch_fd_input, u); | |
370 | if (r < 0) { | |
371 | if (r != -EPERM || arg_follow > 0) { | |
372 | log_error("Failed to register input event: %s", strerror(-r)); | |
373 | return r; | |
374 | } | |
3d090cc6 | 375 | |
eacbb4d3 ZJS |
376 | /* Normal files should just be consumed without polling. */ |
377 | r = start_upload(u, fd_input_callback, u); | |
378 | } | |
3d090cc6 | 379 | } |
eacbb4d3 | 380 | |
3d090cc6 ZJS |
381 | return r; |
382 | } | |
383 | ||
a3152e76 ZJS |
384 | static int dispatch_sigterm(sd_event_source *event, |
385 | const struct signalfd_siginfo *si, | |
386 | void *userdata) { | |
387 | Uploader *u = userdata; | |
388 | ||
389 | assert(u); | |
390 | ||
391 | log_received_signal(LOG_INFO, si); | |
392 | ||
393 | close_fd_input(u); | |
394 | close_journal_input(u); | |
395 | ||
396 | sd_event_exit(u->events, 0); | |
397 | return 0; | |
398 | } | |
399 | ||
400 | static int setup_signals(Uploader *u) { | |
401 | sigset_t mask; | |
402 | int r; | |
403 | ||
404 | assert(u); | |
405 | ||
406 | assert_se(sigemptyset(&mask) == 0); | |
407 | sigset_add_many(&mask, SIGINT, SIGTERM, -1); | |
408 | assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); | |
409 | ||
410 | r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); | |
411 | if (r < 0) | |
412 | return r; | |
413 | ||
414 | r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); | |
415 | if (r < 0) | |
416 | return r; | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
722b6795 | 421 | static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
3d090cc6 | 422 | int r; |
50a0b071 | 423 | const char *host, *proto = ""; |
3d090cc6 ZJS |
424 | |
425 | assert(u); | |
426 | assert(url); | |
427 | ||
428 | memzero(u, sizeof(Uploader)); | |
429 | u->input = -1; | |
430 | ||
50a0b071 ZJS |
431 | if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
432 | host = url; | |
433 | proto = "https://"; | |
434 | } | |
435 | ||
436 | if (strchr(host, ':')) | |
437 | u->url = strjoin(proto, url, "/upload", NULL); | |
438 | else { | |
439 | char *t; | |
440 | size_t x; | |
5bc89120 | 441 | |
50a0b071 ZJS |
442 | t = strdupa(url); |
443 | x = strlen(t); | |
444 | while (x > 0 && t[x - 1] == '/') | |
445 | t[x - 1] = '\0'; | |
446 | ||
447 | u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload", NULL); | |
448 | } | |
5bc89120 ZJS |
449 | if (!u->url) |
450 | return log_oom(); | |
451 | ||
722b6795 | 452 | u->state_file = state_file; |
3d090cc6 ZJS |
453 | |
454 | r = sd_event_default(&u->events); | |
455 | if (r < 0) { | |
456 | log_error("sd_event_default failed: %s", strerror(-r)); | |
457 | return r; | |
458 | } | |
459 | ||
a3152e76 ZJS |
460 | r = setup_signals(u); |
461 | if (r < 0) { | |
462 | log_error("Failed to set up signals: %s", strerror(-r)); | |
463 | return r; | |
464 | } | |
465 | ||
722b6795 | 466 | return load_cursor_state(u); |
3d090cc6 ZJS |
467 | } |
468 | ||
469 | static void destroy_uploader(Uploader *u) { | |
470 | assert(u); | |
471 | ||
472 | curl_easy_cleanup(u->easy); | |
473 | curl_slist_free_all(u->header); | |
eacbb4d3 ZJS |
474 | free(u->answer); |
475 | ||
476 | free(u->last_cursor); | |
722b6795 | 477 | free(u->current_cursor); |
3d090cc6 | 478 | |
5bc89120 ZJS |
479 | free(u->url); |
480 | ||
3d090cc6 ZJS |
481 | u->input_event = sd_event_source_unref(u->input_event); |
482 | ||
483 | close_fd_input(u); | |
eacbb4d3 | 484 | close_journal_input(u); |
3d090cc6 | 485 | |
a3152e76 ZJS |
486 | sd_event_source_unref(u->sigterm_event); |
487 | sd_event_source_unref(u->sigint_event); | |
3d090cc6 ZJS |
488 | sd_event_unref(u->events); |
489 | } | |
490 | ||
eacbb4d3 ZJS |
491 | static int perform_upload(Uploader *u) { |
492 | CURLcode code; | |
493 | long status; | |
494 | ||
495 | assert(u); | |
496 | ||
497 | code = curl_easy_perform(u->easy); | |
498 | if (code) { | |
499 | log_error("Upload to %s failed: %.*s", | |
500 | u->url, | |
501 | u->error[0] ? (int) sizeof(u->error) : INT_MAX, | |
502 | u->error[0] ? u->error : curl_easy_strerror(code)); | |
503 | return -EIO; | |
504 | } | |
505 | ||
506 | code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); | |
507 | if (code) { | |
508 | log_error("Failed to retrieve response code: %s", | |
509 | curl_easy_strerror(code)); | |
510 | return -EUCLEAN; | |
511 | } | |
512 | ||
513 | if (status >= 300) { | |
514 | log_error("Upload to %s failed with code %lu: %s", | |
515 | u->url, status, strna(u->answer)); | |
516 | return -EIO; | |
517 | } else if (status < 200) { | |
518 | log_error("Upload to %s finished with unexpected code %lu: %s", | |
519 | u->url, status, strna(u->answer)); | |
520 | return -EIO; | |
521 | } else | |
522 | log_debug("Upload finished successfully with code %lu: %s", | |
523 | status, strna(u->answer)); | |
722b6795 ZJS |
524 | |
525 | free(u->last_cursor); | |
526 | u->last_cursor = u->current_cursor; | |
527 | u->current_cursor = NULL; | |
528 | ||
529 | return update_cursor_state(u); | |
eacbb4d3 ZJS |
530 | } |
531 | ||
29fc0ddc ZJS |
532 | static int parse_config(void) { |
533 | const ConfigTableItem items[] = { | |
534 | { "Upload", "URL", config_parse_string, 0, &arg_url }, | |
535 | { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
536 | { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
537 | { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
538 | {}}; | |
29fc0ddc | 539 | |
36f822c4 ZJS |
540 | return config_parse(NULL, PKGSYSCONFDIR "/journal-upload.conf", NULL, |
541 | "Upload\0", | |
542 | config_item_table_lookup, items, | |
543 | false, false, true, NULL); | |
29fc0ddc ZJS |
544 | } |
545 | ||
3d090cc6 ZJS |
546 | static void help(void) { |
547 | printf("%s -u URL {FILE|-}...\n\n" | |
548 | "Upload journal events to a remote server.\n\n" | |
dad29dff LP |
549 | " -h --help Show this help\n" |
550 | " --version Show package version\n" | |
50a0b071 ZJS |
551 | " -u --url=URL Upload to this address (default port " |
552 | STRINGIFY(DEFAULT_PORT) ")\n" | |
1af719ed ZJS |
553 | " --key=FILENAME Specify key in PEM format (default:\n" |
554 | " \"" PRIV_KEY_FILE "\")\n" | |
555 | " --cert=FILENAME Specify certificate in PEM format (default:\n" | |
556 | " \"" CERT_FILE "\")\n" | |
557 | " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" | |
558 | " \"" TRUST_FILE "\")\n" | |
dad29dff LP |
559 | " --system Use the system journal\n" |
560 | " --user Use the user journal for the current user\n" | |
561 | " -m --merge Use all available journals\n" | |
562 | " -M --machine=CONTAINER Operate on local container\n" | |
563 | " -D --directory=PATH Use journal files from directory\n" | |
564 | " --file=PATH Use this journal file\n" | |
565 | " --cursor=CURSOR Start at the specified cursor\n" | |
566 | " --after-cursor=CURSOR Start after the specified cursor\n" | |
567 | " --follow[=BOOL] Do [not] wait for input\n" | |
568 | " --save-state[=FILE] Save uploaded cursors (default \n" | |
569 | " " STATE_FILE ")\n" | |
570 | " -h --help Show this help and exit\n" | |
571 | " --version Print version string and exit\n" | |
3d090cc6 ZJS |
572 | , program_invocation_short_name); |
573 | } | |
574 | ||
575 | static int parse_argv(int argc, char *argv[]) { | |
576 | enum { | |
577 | ARG_VERSION = 0x100, | |
7449bc1f ZJS |
578 | ARG_KEY, |
579 | ARG_CERT, | |
580 | ARG_TRUST, | |
eacbb4d3 ZJS |
581 | ARG_USER, |
582 | ARG_SYSTEM, | |
583 | ARG_FILE, | |
584 | ARG_CURSOR, | |
585 | ARG_AFTER_CURSOR, | |
586 | ARG_FOLLOW, | |
722b6795 | 587 | ARG_SAVE_STATE, |
3d090cc6 ZJS |
588 | }; |
589 | ||
590 | static const struct option options[] = { | |
591 | { "help", no_argument, NULL, 'h' }, | |
592 | { "version", no_argument, NULL, ARG_VERSION }, | |
593 | { "url", required_argument, NULL, 'u' }, | |
7449bc1f ZJS |
594 | { "key", required_argument, NULL, ARG_KEY }, |
595 | { "cert", required_argument, NULL, ARG_CERT }, | |
596 | { "trust", required_argument, NULL, ARG_TRUST }, | |
eacbb4d3 ZJS |
597 | { "system", no_argument, NULL, ARG_SYSTEM }, |
598 | { "user", no_argument, NULL, ARG_USER }, | |
599 | { "merge", no_argument, NULL, 'm' }, | |
600 | { "machine", required_argument, NULL, 'M' }, | |
601 | { "directory", required_argument, NULL, 'D' }, | |
602 | { "file", required_argument, NULL, ARG_FILE }, | |
603 | { "cursor", required_argument, NULL, ARG_CURSOR }, | |
604 | { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, | |
dad29dff | 605 | { "follow", optional_argument, NULL, ARG_FOLLOW }, |
722b6795 | 606 | { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
3d090cc6 ZJS |
607 | {} |
608 | }; | |
609 | ||
eacbb4d3 | 610 | int c, r; |
3d090cc6 ZJS |
611 | |
612 | assert(argc >= 0); | |
613 | assert(argv); | |
614 | ||
615 | opterr = 0; | |
616 | ||
eacbb4d3 | 617 | while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
3d090cc6 ZJS |
618 | switch(c) { |
619 | case 'h': | |
620 | help(); | |
621 | return 0 /* done */; | |
622 | ||
623 | case ARG_VERSION: | |
624 | puts(PACKAGE_STRING); | |
625 | puts(SYSTEMD_FEATURES); | |
626 | return 0 /* done */; | |
627 | ||
628 | case 'u': | |
629 | if (arg_url) { | |
630 | log_error("cannot use more than one --url"); | |
631 | return -EINVAL; | |
632 | } | |
633 | ||
634 | arg_url = optarg; | |
635 | break; | |
636 | ||
7449bc1f ZJS |
637 | case ARG_KEY: |
638 | if (arg_key) { | |
639 | log_error("cannot use more than one --key"); | |
640 | return -EINVAL; | |
641 | } | |
642 | ||
643 | arg_key = optarg; | |
644 | break; | |
645 | ||
646 | case ARG_CERT: | |
647 | if (arg_cert) { | |
648 | log_error("cannot use more than one --cert"); | |
649 | return -EINVAL; | |
650 | } | |
651 | ||
652 | arg_cert = optarg; | |
653 | break; | |
654 | ||
655 | case ARG_TRUST: | |
656 | if (arg_trust) { | |
657 | log_error("cannot use more than one --trust"); | |
658 | return -EINVAL; | |
659 | } | |
660 | ||
661 | arg_trust = optarg; | |
662 | break; | |
663 | ||
eacbb4d3 ZJS |
664 | case ARG_SYSTEM: |
665 | arg_journal_type |= SD_JOURNAL_SYSTEM; | |
666 | break; | |
667 | ||
668 | case ARG_USER: | |
669 | arg_journal_type |= SD_JOURNAL_CURRENT_USER; | |
670 | break; | |
671 | ||
672 | case 'm': | |
673 | arg_merge = true; | |
674 | break; | |
675 | ||
676 | case 'M': | |
677 | if (arg_machine) { | |
678 | log_error("cannot use more than one --machine/-M"); | |
679 | return -EINVAL; | |
680 | } | |
681 | ||
682 | arg_machine = optarg; | |
683 | break; | |
684 | ||
685 | case 'D': | |
686 | if (arg_directory) { | |
687 | log_error("cannot use more than one --directory/-D"); | |
688 | return -EINVAL; | |
689 | } | |
690 | ||
691 | arg_directory = optarg; | |
692 | break; | |
693 | ||
694 | case ARG_FILE: | |
695 | r = glob_extend(&arg_file, optarg); | |
696 | if (r < 0) { | |
697 | log_error("Failed to add paths: %s", strerror(-r)); | |
698 | return r; | |
699 | }; | |
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) | |
781 | log_error("Failed to open %s: %s", | |
782 | arg_directory ? arg_directory : arg_file ? "files" : "journal", | |
783 | strerror(-r)); | |
784 | return r; | |
785 | } | |
3d090cc6 ZJS |
786 | |
787 | int main(int argc, char **argv) { | |
788 | Uploader u; | |
789 | int r; | |
eacbb4d3 | 790 | bool use_journal; |
3d090cc6 ZJS |
791 | |
792 | log_show_color(true); | |
793 | log_parse_environment(); | |
794 | ||
29fc0ddc | 795 | r = parse_config(); |
4015ac5c | 796 | if (r < 0) |
29fc0ddc ZJS |
797 | goto finish; |
798 | ||
3d090cc6 ZJS |
799 | r = parse_argv(argc, argv); |
800 | if (r <= 0) | |
801 | goto finish; | |
802 | ||
722b6795 | 803 | r = setup_uploader(&u, arg_url, arg_save_state); |
3d090cc6 ZJS |
804 | if (r < 0) |
805 | goto cleanup; | |
806 | ||
a3152e76 ZJS |
807 | sd_event_set_watchdog(u.events, true); |
808 | ||
d71839af ZJS |
809 | r = check_cursor_updating(&u); |
810 | if (r < 0) | |
811 | goto cleanup; | |
812 | ||
3d090cc6 ZJS |
813 | log_debug("%s running as pid "PID_FMT, |
814 | program_invocation_short_name, getpid()); | |
eacbb4d3 ZJS |
815 | |
816 | use_journal = optind >= argc; | |
817 | if (use_journal) { | |
818 | sd_journal *j; | |
819 | r = open_journal(&j); | |
820 | if (r < 0) | |
821 | goto finish; | |
822 | r = open_journal_for_upload(&u, j, | |
722b6795 ZJS |
823 | arg_cursor ?: u.last_cursor, |
824 | arg_cursor ? arg_after_cursor : true, | |
eacbb4d3 ZJS |
825 | !!arg_follow); |
826 | if (r < 0) | |
827 | goto finish; | |
828 | } | |
829 | ||
3d090cc6 ZJS |
830 | sd_notify(false, |
831 | "READY=1\n" | |
832 | "STATUS=Processing input..."); | |
833 | ||
834 | while (true) { | |
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 ZJS |
849 | |
850 | r = sd_event_get_state(u.events); | |
851 | if (r < 0) | |
852 | break; | |
853 | if (r == SD_EVENT_FINISHED) | |
854 | break; | |
855 | ||
856 | if (u.uploading) { | |
eacbb4d3 ZJS |
857 | r = perform_upload(&u); |
858 | if (r < 0) | |
3d090cc6 | 859 | break; |
3d090cc6 ZJS |
860 | } |
861 | ||
eacbb4d3 | 862 | r = sd_event_run(u.events, u.timeout); |
3d090cc6 ZJS |
863 | if (r < 0) { |
864 | log_error("Failed to run event loop: %s", strerror(-r)); | |
865 | break; | |
866 | } | |
867 | } | |
868 | ||
869 | cleanup: | |
af4ec430 LP |
870 | sd_notify(false, |
871 | "STOPPING=1\n" | |
872 | "STATUS=Shutting down..."); | |
873 | ||
3d090cc6 ZJS |
874 | destroy_uploader(&u); |
875 | ||
876 | finish: | |
877 | return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE; | |
878 | } |