Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6174:68c106e6fa0a
Stream: added postconfiguration method to stream modules.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Tue, 09 Jun 2015 13:00:45 +0300 |
parents | b2899e7d0ef8 |
children | 4dcffe43a7ea |
rev | line source |
---|---|
6115 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 | |
12 | |
13 typedef void (*ngx_stream_proxy_handler_pt)(ngx_stream_session_t *s); | |
14 | |
15 | |
16 typedef struct { | |
17 ngx_msec_t connect_timeout; | |
18 ngx_msec_t timeout; | |
19 ngx_msec_t next_upstream_timeout; | |
20 size_t downstream_buf_size; | |
21 size_t upstream_buf_size; | |
22 ngx_uint_t next_upstream_tries; | |
23 ngx_flag_t next_upstream; | |
24 | |
25 #if (NGX_STREAM_SSL) | |
26 ngx_flag_t ssl_enable; | |
27 ngx_flag_t ssl_session_reuse; | |
28 ngx_uint_t ssl_protocols; | |
29 ngx_str_t ssl_ciphers; | |
30 ngx_str_t ssl_name; | |
31 ngx_flag_t ssl_server_name; | |
32 | |
33 ngx_flag_t ssl_verify; | |
34 ngx_uint_t ssl_verify_depth; | |
35 ngx_str_t ssl_trusted_certificate; | |
36 ngx_str_t ssl_crl; | |
37 ngx_str_t ssl_certificate; | |
38 ngx_str_t ssl_certificate_key; | |
39 ngx_array_t *ssl_passwords; | |
40 | |
41 ngx_ssl_t *ssl; | |
42 #endif | |
43 | |
44 ngx_stream_upstream_srv_conf_t *upstream; | |
45 } ngx_stream_proxy_srv_conf_t; | |
46 | |
47 | |
48 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
49 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
50 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
51 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
52 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
53 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); | |
54 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
55 static ngx_int_t ngx_stream_proxy_process(ngx_stream_session_t *s, | |
56 ngx_uint_t from_upstream, ngx_uint_t do_write); | |
57 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
58 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
59 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
60 size_t len); | |
61 | |
62 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
63 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
64 void *child); | |
65 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
66 void *conf); | |
67 | |
68 #if (NGX_STREAM_SSL) | |
69 | |
70 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
71 ngx_command_t *cmd, void *conf); | |
72 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
73 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
74 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
75 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
76 ngx_stream_proxy_srv_conf_t *pscf); | |
77 | |
78 | |
79 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
80 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
81 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
82 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
83 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
84 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
85 { ngx_null_string, 0 } | |
86 }; | |
87 | |
88 #endif | |
89 | |
90 | |
91 static ngx_command_t ngx_stream_proxy_commands[] = { | |
92 | |
93 { ngx_string("proxy_pass"), | |
94 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
95 ngx_stream_proxy_pass, | |
96 NGX_STREAM_SRV_CONF_OFFSET, | |
97 0, | |
98 NULL }, | |
99 | |
100 { ngx_string("proxy_connect_timeout"), | |
101 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
102 ngx_conf_set_msec_slot, | |
103 NGX_STREAM_SRV_CONF_OFFSET, | |
104 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
105 NULL }, | |
106 | |
107 { ngx_string("proxy_timeout"), | |
108 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
109 ngx_conf_set_msec_slot, | |
110 NGX_STREAM_SRV_CONF_OFFSET, | |
111 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
112 NULL }, | |
113 | |
114 { ngx_string("proxy_downstream_buffer"), | |
115 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
116 ngx_conf_set_size_slot, | |
117 NGX_STREAM_SRV_CONF_OFFSET, | |
118 offsetof(ngx_stream_proxy_srv_conf_t, downstream_buf_size), | |
119 NULL }, | |
120 | |
121 { ngx_string("proxy_upstream_buffer"), | |
122 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
123 ngx_conf_set_size_slot, | |
124 NGX_STREAM_SRV_CONF_OFFSET, | |
125 offsetof(ngx_stream_proxy_srv_conf_t, upstream_buf_size), | |
126 NULL }, | |
127 | |
128 { ngx_string("proxy_next_upstream"), | |
129 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
130 ngx_conf_set_flag_slot, | |
131 NGX_STREAM_SRV_CONF_OFFSET, | |
132 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
133 NULL }, | |
134 | |
135 { ngx_string("proxy_next_upstream_tries"), | |
136 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
137 ngx_conf_set_num_slot, | |
138 NGX_STREAM_SRV_CONF_OFFSET, | |
139 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
140 NULL }, | |
141 | |
142 { ngx_string("proxy_next_upstream_timeout"), | |
143 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
144 ngx_conf_set_msec_slot, | |
145 NGX_STREAM_SRV_CONF_OFFSET, | |
146 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
147 NULL }, | |
148 | |
149 #if (NGX_STREAM_SSL) | |
150 | |
151 { ngx_string("proxy_ssl"), | |
152 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
153 ngx_conf_set_flag_slot, | |
154 NGX_STREAM_SRV_CONF_OFFSET, | |
155 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
156 NULL }, | |
157 | |
158 { ngx_string("proxy_ssl_session_reuse"), | |
159 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
160 ngx_conf_set_flag_slot, | |
161 NGX_STREAM_SRV_CONF_OFFSET, | |
162 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
163 NULL }, | |
164 | |
165 { ngx_string("proxy_ssl_protocols"), | |
166 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
167 ngx_conf_set_bitmask_slot, | |
168 NGX_STREAM_SRV_CONF_OFFSET, | |
169 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
170 &ngx_stream_proxy_ssl_protocols }, | |
171 | |
172 { ngx_string("proxy_ssl_ciphers"), | |
173 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
174 ngx_conf_set_str_slot, | |
175 NGX_STREAM_SRV_CONF_OFFSET, | |
176 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
177 NULL }, | |
178 | |
179 { ngx_string("proxy_ssl_name"), | |
180 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
181 ngx_conf_set_str_slot, | |
182 NGX_STREAM_SRV_CONF_OFFSET, | |
183 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
184 NULL }, | |
185 | |
186 { ngx_string("proxy_ssl_server_name"), | |
187 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
188 ngx_conf_set_flag_slot, | |
189 NGX_STREAM_SRV_CONF_OFFSET, | |
190 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
191 NULL }, | |
192 | |
193 { ngx_string("proxy_ssl_verify"), | |
194 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
195 ngx_conf_set_flag_slot, | |
196 NGX_STREAM_SRV_CONF_OFFSET, | |
197 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
198 NULL }, | |
199 | |
200 { ngx_string("proxy_ssl_verify_depth"), | |
201 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
202 ngx_conf_set_num_slot, | |
203 NGX_STREAM_SRV_CONF_OFFSET, | |
204 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
205 NULL }, | |
206 | |
207 { ngx_string("proxy_ssl_trusted_certificate"), | |
208 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
209 ngx_conf_set_str_slot, | |
210 NGX_STREAM_SRV_CONF_OFFSET, | |
211 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
212 NULL }, | |
213 | |
214 { ngx_string("proxy_ssl_crl"), | |
215 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
216 ngx_conf_set_str_slot, | |
217 NGX_STREAM_SRV_CONF_OFFSET, | |
218 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
219 NULL }, | |
220 | |
221 { ngx_string("proxy_ssl_certificate"), | |
222 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
223 ngx_conf_set_str_slot, | |
224 NGX_STREAM_SRV_CONF_OFFSET, | |
225 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
226 NULL }, | |
227 | |
228 { ngx_string("proxy_ssl_certificate_key"), | |
229 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
230 ngx_conf_set_str_slot, | |
231 NGX_STREAM_SRV_CONF_OFFSET, | |
232 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
233 NULL }, | |
234 | |
235 { ngx_string("proxy_ssl_password_file"), | |
236 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
237 ngx_stream_proxy_ssl_password_file, | |
238 NGX_STREAM_SRV_CONF_OFFSET, | |
239 0, | |
240 NULL }, | |
241 | |
242 #endif | |
243 | |
244 ngx_null_command | |
245 }; | |
246 | |
247 | |
248 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
6174
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
6157
diff
changeset
|
249 NULL, /* postconfiguration */ |
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
6157
diff
changeset
|
250 |
6115 | 251 NULL, /* create main configuration */ |
252 NULL, /* init main configuration */ | |
253 | |
254 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
255 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
256 }; | |
257 | |
258 | |
259 ngx_module_t ngx_stream_proxy_module = { | |
260 NGX_MODULE_V1, | |
261 &ngx_stream_proxy_module_ctx, /* module context */ | |
262 ngx_stream_proxy_commands, /* module directives */ | |
263 NGX_STREAM_MODULE, /* module type */ | |
264 NULL, /* init master */ | |
265 NULL, /* init module */ | |
266 NULL, /* init process */ | |
267 NULL, /* init thread */ | |
268 NULL, /* exit thread */ | |
269 NULL, /* exit process */ | |
270 NULL, /* exit master */ | |
271 NGX_MODULE_V1_PADDING | |
272 }; | |
273 | |
274 | |
275 static void | |
276 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
277 { | |
278 u_char *p; | |
279 ngx_connection_t *c; | |
280 ngx_stream_upstream_t *u; | |
281 ngx_stream_proxy_srv_conf_t *pscf; | |
282 ngx_stream_upstream_srv_conf_t *uscf; | |
283 | |
284 c = s->connection; | |
285 | |
286 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
287 | |
288 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
289 "proxy connection handler"); | |
290 | |
291 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
292 if (u == NULL) { | |
293 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
294 return; | |
295 } | |
296 | |
297 s->upstream = u; | |
298 | |
299 s->log_handler = ngx_stream_proxy_log_error; | |
300 | |
301 u->peer.log = c->log; | |
302 u->peer.log_error = NGX_ERROR_ERR; | |
303 | |
304 uscf = pscf->upstream; | |
305 | |
306 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
307 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
308 return; | |
309 } | |
310 | |
311 u->peer.start_time = ngx_current_msec; | |
312 | |
313 if (pscf->next_upstream_tries | |
314 && u->peer.tries > pscf->next_upstream_tries) | |
315 { | |
316 u->peer.tries = pscf->next_upstream_tries; | |
317 } | |
318 | |
319 p = ngx_pnalloc(c->pool, pscf->downstream_buf_size); | |
320 if (p == NULL) { | |
321 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
322 return; | |
323 } | |
324 | |
325 u->downstream_buf.start = p; | |
326 u->downstream_buf.end = p + pscf->downstream_buf_size; | |
327 u->downstream_buf.pos = p; | |
328 u->downstream_buf.last = p; | |
329 | |
330 c->write->handler = ngx_stream_proxy_downstream_handler; | |
331 c->read->handler = ngx_stream_proxy_downstream_handler; | |
332 | |
333 if (ngx_stream_proxy_process(s, 0, 0) != NGX_OK) { | |
334 return; | |
335 } | |
336 | |
337 ngx_stream_proxy_connect(s); | |
338 } | |
339 | |
340 | |
341 static void | |
342 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
343 { | |
344 ngx_int_t rc; | |
345 ngx_connection_t *c, *pc; | |
346 ngx_stream_upstream_t *u; | |
347 ngx_stream_proxy_srv_conf_t *pscf; | |
348 | |
349 c = s->connection; | |
350 | |
351 c->log->action = "connecting to upstream"; | |
352 | |
353 u = s->upstream; | |
354 | |
355 rc = ngx_event_connect_peer(&u->peer); | |
356 | |
357 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
358 | |
359 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
360 | |
361 if (rc == NGX_ERROR) { | |
362 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
363 return; | |
364 } | |
365 | |
366 if (rc == NGX_BUSY) { | |
367 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
368 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
369 return; | |
370 } | |
371 | |
372 if (rc == NGX_DECLINED) { | |
373 ngx_stream_proxy_next_upstream(s); | |
374 return; | |
375 } | |
376 | |
377 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
378 | |
379 pc = u->peer.connection; | |
380 | |
381 pc->data = s; | |
382 pc->log = c->log; | |
383 pc->pool = c->pool; | |
384 pc->read->log = c->log; | |
385 pc->write->log = c->log; | |
386 | |
387 if (rc != NGX_AGAIN) { | |
388 ngx_stream_proxy_init_upstream(s); | |
389 return; | |
390 } | |
391 | |
392 pc->read->handler = ngx_stream_proxy_connect_handler; | |
393 pc->write->handler = ngx_stream_proxy_connect_handler; | |
394 | |
395 ngx_add_timer(pc->write, pscf->connect_timeout); | |
396 } | |
397 | |
398 | |
399 static void | |
400 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
401 { | |
402 u_char *p; | |
403 ngx_connection_t *c, *pc; | |
404 ngx_log_handler_pt handler; | |
405 ngx_stream_upstream_t *u; | |
406 ngx_stream_proxy_srv_conf_t *pscf; | |
407 | |
408 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
409 | |
410 u = s->upstream; | |
411 | |
412 pc = u->peer.connection; | |
413 | |
414 #if (NGX_STREAM_SSL) | |
415 if (pscf->ssl && pc->ssl == NULL) { | |
416 ngx_stream_proxy_ssl_init_connection(s); | |
417 return; | |
418 } | |
419 #endif | |
420 | |
421 c = s->connection; | |
422 | |
423 if (c->log->log_level >= NGX_LOG_INFO) { | |
424 ngx_str_t s; | |
425 u_char addr[NGX_SOCKADDR_STRLEN]; | |
426 | |
427 s.len = NGX_SOCKADDR_STRLEN; | |
428 s.data = addr; | |
429 | |
430 if (ngx_connection_local_sockaddr(pc, &s, 1) == NGX_OK) { | |
431 handler = c->log->handler; | |
432 c->log->handler = NULL; | |
433 | |
434 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
435 &s, u->peer.name); | |
436 | |
437 c->log->handler = handler; | |
438 } | |
439 } | |
440 | |
441 c->log->action = "proxying connection"; | |
442 | |
443 p = ngx_pnalloc(c->pool, pscf->upstream_buf_size); | |
444 if (p == NULL) { | |
445 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
446 return; | |
447 } | |
448 | |
449 u->upstream_buf.start = p; | |
450 u->upstream_buf.end = p + pscf->upstream_buf_size; | |
451 u->upstream_buf.pos = p; | |
452 u->upstream_buf.last = p; | |
453 | |
454 pc->read->handler = ngx_stream_proxy_upstream_handler; | |
455 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
456 | |
457 if (ngx_stream_proxy_process(s, 1, 0) != NGX_OK) { | |
458 return; | |
459 } | |
460 | |
461 ngx_stream_proxy_process(s, 0, 1); | |
462 } | |
463 | |
464 | |
465 #if (NGX_STREAM_SSL) | |
466 | |
467 static char * | |
468 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
469 void *conf) | |
470 { | |
471 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
472 | |
473 ngx_str_t *value; | |
474 | |
475 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
476 return "is duplicate"; | |
477 } | |
478 | |
479 value = cf->args->elts; | |
480 | |
481 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
482 | |
483 if (pscf->ssl_passwords == NULL) { | |
484 return NGX_CONF_ERROR; | |
485 } | |
486 | |
487 return NGX_CONF_OK; | |
488 } | |
489 | |
490 | |
491 static void | |
492 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
493 { | |
494 ngx_int_t rc; | |
495 ngx_connection_t *pc; | |
496 ngx_stream_upstream_t *u; | |
497 ngx_stream_proxy_srv_conf_t *pscf; | |
498 | |
499 u = s->upstream; | |
500 | |
501 pc = u->peer.connection; | |
502 | |
503 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
504 | |
505 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
506 != NGX_OK) | |
507 { | |
508 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
509 return; | |
510 } | |
511 | |
512 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
513 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
514 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
515 return; | |
516 } | |
517 } | |
518 | |
519 if (pscf->ssl_session_reuse) { | |
520 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
521 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
522 return; | |
523 } | |
524 } | |
525 | |
526 s->connection->log->action = "SSL handshaking to upstream"; | |
527 | |
528 rc = ngx_ssl_handshake(pc); | |
529 | |
530 if (rc == NGX_AGAIN) { | |
531 | |
532 if (!pc->write->timer_set) { | |
533 ngx_add_timer(pc->write, pscf->connect_timeout); | |
534 } | |
535 | |
536 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
537 return; | |
538 } | |
539 | |
540 ngx_stream_proxy_ssl_handshake(pc); | |
541 } | |
542 | |
543 | |
544 static void | |
545 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
546 { | |
547 long rc; | |
548 ngx_stream_session_t *s; | |
549 ngx_stream_upstream_t *u; | |
550 ngx_stream_proxy_srv_conf_t *pscf; | |
551 | |
552 s = pc->data; | |
553 | |
554 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
555 | |
556 if (pc->ssl->handshaked) { | |
557 | |
558 if (pscf->ssl_verify) { | |
559 rc = SSL_get_verify_result(pc->ssl->connection); | |
560 | |
561 if (rc != X509_V_OK) { | |
562 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
563 "upstream SSL certificate verify error: (%l:%s)", | |
564 rc, X509_verify_cert_error_string(rc)); | |
565 goto failed; | |
566 } | |
567 | |
568 u = s->upstream; | |
569 | |
570 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
571 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
572 "upstream SSL certificate does not match \"%V\"", | |
573 &u->ssl_name); | |
574 goto failed; | |
575 } | |
576 } | |
577 | |
578 if (pscf->ssl_session_reuse) { | |
579 u = s->upstream; | |
580 u->peer.save_session(&u->peer, u->peer.data); | |
581 } | |
582 | |
583 ngx_stream_proxy_init_upstream(s); | |
584 | |
585 return; | |
586 } | |
587 | |
588 failed: | |
589 | |
590 ngx_stream_proxy_next_upstream(s); | |
591 } | |
592 | |
593 | |
594 static ngx_int_t | |
595 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
596 { | |
597 u_char *p, *last; | |
598 ngx_str_t name; | |
599 ngx_stream_upstream_t *u; | |
600 ngx_stream_proxy_srv_conf_t *pscf; | |
601 | |
602 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
603 | |
604 u = s->upstream; | |
605 | |
606 name = pscf->ssl_name; | |
607 | |
608 if (name.len == 0) { | |
609 name = pscf->upstream->host; | |
610 } | |
611 | |
612 if (name.len == 0) { | |
613 goto done; | |
614 } | |
615 | |
616 /* | |
617 * ssl name here may contain port, strip it for compatibility | |
618 * with the http module | |
619 */ | |
620 | |
621 p = name.data; | |
622 last = name.data + name.len; | |
623 | |
624 if (*p == '[') { | |
625 p = ngx_strlchr(p, last, ']'); | |
626 | |
627 if (p == NULL) { | |
628 p = name.data; | |
629 } | |
630 } | |
631 | |
632 p = ngx_strlchr(p, last, ':'); | |
633 | |
634 if (p != NULL) { | |
635 name.len = p - name.data; | |
636 } | |
637 | |
638 if (!pscf->ssl_server_name) { | |
639 goto done; | |
640 } | |
641 | |
642 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
643 | |
644 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
645 | |
646 if (name.len == 0 || *name.data == '[') { | |
647 goto done; | |
648 } | |
649 | |
650 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
651 goto done; | |
652 } | |
653 | |
654 /* | |
655 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
656 * hence we explicitly null-terminate name here | |
657 */ | |
658 | |
659 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
660 if (p == NULL) { | |
661 return NGX_ERROR; | |
662 } | |
663 | |
664 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
665 | |
666 name.data = p; | |
667 | |
668 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
669 "upstream SSL server name: \"%s\"", name.data); | |
670 | |
671 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
672 == 0) | |
673 { | |
674 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
675 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
676 return NGX_ERROR; | |
677 } | |
678 | |
679 #endif | |
680 | |
681 done: | |
682 | |
683 u->ssl_name = name; | |
684 | |
685 return NGX_OK; | |
686 } | |
687 | |
688 #endif | |
689 | |
690 | |
691 static void | |
692 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
693 { | |
694 ngx_connection_t *c; | |
695 ngx_stream_session_t *s; | |
696 ngx_stream_upstream_t *u; | |
697 | |
698 c = ev->data; | |
699 s = c->data; | |
700 | |
701 if (ev->timedout) { | |
702 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); | |
703 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
704 return; | |
705 } | |
706 | |
707 u = s->upstream; | |
708 | |
709 if (!ev->write) { | |
710 ngx_stream_proxy_process(s, 0, 0); | |
711 | |
712 } else if (u->upstream_buf.start) { | |
713 ngx_stream_proxy_process(s, 1, 1); | |
714 } | |
715 } | |
716 | |
717 | |
718 static void | |
719 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) | |
720 { | |
721 ngx_connection_t *c; | |
722 ngx_stream_session_t *s; | |
723 ngx_stream_upstream_t *u; | |
724 | |
725 c = ev->data; | |
726 s = c->data; | |
727 | |
728 u = s->upstream; | |
729 | |
730 if (ev->write) { | |
731 ngx_stream_proxy_process(s, 0, 1); | |
732 | |
733 } else if (u->upstream_buf.start) { | |
734 ngx_stream_proxy_process(s, 1, 0); | |
735 } | |
736 } | |
737 | |
738 | |
739 static void | |
740 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
741 { | |
742 ngx_connection_t *c; | |
743 ngx_stream_session_t *s; | |
744 | |
745 c = ev->data; | |
746 s = c->data; | |
747 | |
748 if (ev->timedout) { | |
749 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
750 ngx_stream_proxy_next_upstream(s); | |
751 return; | |
752 } | |
753 | |
754 ngx_del_timer(c->write); | |
755 | |
756 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
757 "stream proxy connect upstream"); | |
758 | |
759 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
760 ngx_stream_proxy_next_upstream(s); | |
761 return; | |
762 } | |
763 | |
764 ngx_stream_proxy_init_upstream(s); | |
765 } | |
766 | |
767 | |
768 static ngx_int_t | |
769 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
770 { | |
771 int err; | |
772 socklen_t len; | |
773 | |
774 #if (NGX_HAVE_KQUEUE) | |
775 | |
776 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
777 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
778 | |
779 if (err) { | |
780 (void) ngx_connection_error(c, err, | |
781 "kevent() reported that connect() failed"); | |
782 return NGX_ERROR; | |
783 } | |
784 | |
785 } else | |
786 #endif | |
787 { | |
788 err = 0; | |
789 len = sizeof(int); | |
790 | |
791 /* | |
792 * BSDs and Linux return 0 and set a pending error in err | |
793 * Solaris returns -1 and sets errno | |
794 */ | |
795 | |
796 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
797 == -1) | |
798 { | |
799 err = ngx_socket_errno; | |
800 } | |
801 | |
802 if (err) { | |
803 (void) ngx_connection_error(c, err, "connect() failed"); | |
804 return NGX_ERROR; | |
805 } | |
806 } | |
807 | |
808 return NGX_OK; | |
809 } | |
810 | |
811 | |
812 static ngx_int_t | |
813 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, | |
814 ngx_uint_t do_write) | |
815 { | |
816 size_t size; | |
817 ssize_t n; | |
818 ngx_buf_t *b; | |
6124
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Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
819 ngx_uint_t flags; |
6115 | 820 ngx_connection_t *c, *pc, *src, *dst; |
821 ngx_log_handler_pt handler; | |
822 ngx_stream_upstream_t *u; | |
823 ngx_stream_proxy_srv_conf_t *pscf; | |
824 | |
825 u = s->upstream; | |
826 | |
827 c = s->connection; | |
828 pc = u->upstream_buf.start ? u->peer.connection : NULL; | |
829 | |
830 if (from_upstream) { | |
831 src = pc; | |
832 dst = c; | |
833 b = &u->upstream_buf; | |
834 | |
835 } else { | |
836 src = c; | |
837 dst = pc; | |
838 b = &u->downstream_buf; | |
839 } | |
840 | |
841 for ( ;; ) { | |
842 | |
843 if (do_write) { | |
844 | |
845 size = b->last - b->pos; | |
846 | |
847 if (size && dst && dst->write->ready) { | |
848 | |
849 n = dst->send(dst, b->pos, size); | |
850 | |
851 if (n == NGX_ERROR) { | |
852 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
853 return NGX_ERROR; | |
854 } | |
855 | |
856 if (n > 0) { | |
857 b->pos += n; | |
858 | |
859 if (b->pos == b->last) { | |
860 b->pos = b->start; | |
861 b->last = b->start; | |
862 } | |
863 } | |
864 } | |
865 } | |
866 | |
867 size = b->end - b->last; | |
868 | |
869 if (size && src->read->ready) { | |
870 | |
871 n = src->recv(src, b->last, size); | |
872 | |
873 if (n == NGX_AGAIN || n == 0) { | |
874 break; | |
875 } | |
876 | |
877 if (n > 0) { | |
878 if (from_upstream) { | |
879 u->received += n; | |
880 | |
881 } else { | |
882 s->received += n; | |
883 } | |
884 | |
885 do_write = 1; | |
886 b->last += n; | |
887 continue; | |
888 } | |
889 | |
890 if (n == NGX_ERROR) { | |
891 src->read->eof = 1; | |
892 } | |
893 } | |
894 | |
895 break; | |
896 } | |
897 | |
898 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
899 | |
900 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
901 handler = c->log->handler; | |
902 c->log->handler = NULL; | |
903 | |
904 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
905 "%s disconnected" | |
906 ", bytes from/to client:%O/%O" | |
907 ", bytes from/to upstream:%O/%O", | |
908 from_upstream ? "upstream" : "client", | |
909 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
910 | |
911 c->log->handler = handler; | |
912 | |
913 ngx_stream_proxy_finalize(s, NGX_OK); | |
914 return NGX_DONE; | |
915 } | |
916 | |
6124
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Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
917 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
918 |
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
919 if (ngx_handle_read_event(src->read, flags) != NGX_OK) { |
6115 | 920 ngx_stream_proxy_finalize(s, NGX_ERROR); |
921 return NGX_ERROR; | |
922 } | |
923 | |
924 if (dst) { | |
925 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { | |
926 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
927 return NGX_ERROR; | |
928 } | |
929 | |
930 ngx_add_timer(c->read, pscf->timeout); | |
931 } | |
932 | |
933 return NGX_OK; | |
934 } | |
935 | |
936 | |
937 static void | |
938 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
939 { | |
940 ngx_msec_t timeout; | |
941 ngx_connection_t *pc; | |
942 ngx_stream_upstream_t *u; | |
943 ngx_stream_proxy_srv_conf_t *pscf; | |
944 | |
945 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
946 "stream proxy next upstream"); | |
947 | |
948 u = s->upstream; | |
949 | |
950 if (u->peer.sockaddr) { | |
951 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
952 u->peer.sockaddr = NULL; | |
953 } | |
954 | |
955 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
956 | |
957 timeout = pscf->next_upstream_timeout; | |
958 | |
959 if (u->peer.tries == 0 | |
960 || !pscf->next_upstream | |
961 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
962 { | |
963 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
964 return; | |
965 } | |
966 | |
967 pc = u->peer.connection; | |
968 | |
969 if (pc) { | |
970 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
971 "close proxy upstream connection: %d", pc->fd); | |
972 | |
973 #if (NGX_STREAM_SSL) | |
974 if (pc->ssl) { | |
975 pc->ssl->no_wait_shutdown = 1; | |
976 pc->ssl->no_send_shutdown = 1; | |
977 | |
978 (void) ngx_ssl_shutdown(pc); | |
979 } | |
980 #endif | |
981 | |
982 ngx_close_connection(pc); | |
983 u->peer.connection = NULL; | |
984 } | |
985 | |
986 ngx_stream_proxy_connect(s); | |
987 } | |
988 | |
989 | |
990 static void | |
991 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
992 { | |
993 ngx_connection_t *pc; | |
994 ngx_stream_upstream_t *u; | |
995 | |
996 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
997 "finalize stream proxy: %i", rc); | |
998 | |
999 u = s->upstream; | |
1000 | |
1001 if (u == NULL) { | |
1002 goto noupstream; | |
1003 } | |
1004 | |
1005 if (u->peer.free && u->peer.sockaddr) { | |
1006 u->peer.free(&u->peer, u->peer.data, 0); | |
1007 u->peer.sockaddr = NULL; | |
1008 } | |
1009 | |
1010 pc = u->peer.connection; | |
1011 | |
1012 if (pc) { | |
1013 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
1014 "close stream proxy upstream connection: %d", pc->fd); | |
1015 | |
1016 #if (NGX_STREAM_SSL) | |
1017 if (pc->ssl) { | |
1018 pc->ssl->no_wait_shutdown = 1; | |
1019 (void) ngx_ssl_shutdown(pc); | |
1020 } | |
1021 #endif | |
1022 | |
1023 ngx_close_connection(pc); | |
1024 u->peer.connection = NULL; | |
1025 } | |
1026 | |
1027 noupstream: | |
1028 | |
1029 ngx_stream_close_connection(s->connection); | |
1030 } | |
1031 | |
1032 | |
1033 static u_char * | |
1034 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
1035 { | |
1036 u_char *p; | |
1037 ngx_connection_t *pc; | |
1038 ngx_stream_session_t *s; | |
1039 ngx_stream_upstream_t *u; | |
1040 | |
1041 s = log->data; | |
1042 | |
1043 u = s->upstream; | |
1044 | |
1045 p = buf; | |
1046 | |
1047 if (u->peer.name) { | |
1048 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
1049 len -= p - buf; | |
1050 } | |
1051 | |
1052 pc = u->peer.connection; | |
1053 | |
1054 p = ngx_snprintf(p, len, | |
1055 ", bytes from/to client:%O/%O" | |
1056 ", bytes from/to upstream:%O/%O", | |
1057 s->received, s->connection->sent, | |
1058 u->received, pc ? pc->sent : 0); | |
1059 | |
1060 return p; | |
1061 } | |
1062 | |
1063 | |
1064 static void * | |
1065 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
1066 { | |
1067 ngx_stream_proxy_srv_conf_t *conf; | |
1068 | |
1069 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
1070 if (conf == NULL) { | |
1071 return NULL; | |
1072 } | |
1073 | |
1074 /* | |
1075 * set by ngx_pcalloc(): | |
1076 * | |
1077 * conf->ssl_protocols = 0; | |
1078 * conf->ssl_ciphers = { 0, NULL }; | |
1079 * conf->ssl_name = { 0, NULL }; | |
1080 * conf->ssl_trusted_certificate = { 0, NULL }; | |
1081 * conf->ssl_crl = { 0, NULL }; | |
1082 * conf->ssl_certificate = { 0, NULL }; | |
1083 * conf->ssl_certificate_key = { 0, NULL }; | |
1084 * | |
1085 * conf->ssl = NULL; | |
1086 * conf->upstream = NULL; | |
1087 */ | |
1088 | |
1089 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
1090 conf->timeout = NGX_CONF_UNSET_MSEC; | |
1091 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
1092 conf->downstream_buf_size = NGX_CONF_UNSET_SIZE; | |
1093 conf->upstream_buf_size = NGX_CONF_UNSET_SIZE; | |
1094 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; | |
1095 conf->next_upstream = NGX_CONF_UNSET; | |
1096 | |
1097 #if (NGX_STREAM_SSL) | |
1098 conf->ssl_enable = NGX_CONF_UNSET; | |
1099 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
1100 conf->ssl_server_name = NGX_CONF_UNSET; | |
1101 conf->ssl_verify = NGX_CONF_UNSET; | |
1102 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
1103 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
1104 #endif | |
1105 | |
1106 return conf; | |
1107 } | |
1108 | |
1109 | |
1110 static char * | |
1111 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
1112 { | |
1113 ngx_stream_proxy_srv_conf_t *prev = parent; | |
1114 ngx_stream_proxy_srv_conf_t *conf = child; | |
1115 | |
1116 ngx_conf_merge_msec_value(conf->connect_timeout, | |
1117 prev->connect_timeout, 60000); | |
1118 | |
1119 ngx_conf_merge_msec_value(conf->timeout, | |
1120 prev->timeout, 10 * 60000); | |
1121 | |
1122 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
1123 prev->next_upstream_timeout, 0); | |
1124 | |
1125 ngx_conf_merge_size_value(conf->downstream_buf_size, | |
1126 prev->downstream_buf_size, 16384); | |
1127 | |
1128 ngx_conf_merge_size_value(conf->upstream_buf_size, | |
1129 prev->upstream_buf_size, 16384); | |
1130 | |
1131 ngx_conf_merge_uint_value(conf->next_upstream_tries, | |
1132 prev->next_upstream_tries, 0); | |
1133 | |
1134 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
1135 | |
1136 #if (NGX_STREAM_SSL) | |
1137 | |
1138 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
1139 | |
1140 ngx_conf_merge_value(conf->ssl_session_reuse, | |
1141 prev->ssl_session_reuse, 1); | |
1142 | |
1143 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
6157
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1144 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1145 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
6115 | 1146 |
1147 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
1148 | |
1149 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
1150 | |
1151 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
1152 | |
1153 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
1154 | |
1155 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
1156 prev->ssl_verify_depth, 1); | |
1157 | |
1158 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
1159 prev->ssl_trusted_certificate, ""); | |
1160 | |
1161 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
1162 | |
1163 ngx_conf_merge_str_value(conf->ssl_certificate, | |
1164 prev->ssl_certificate, ""); | |
1165 | |
1166 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
1167 prev->ssl_certificate_key, ""); | |
1168 | |
1169 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
1170 | |
1171 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
1172 return NGX_CONF_ERROR; | |
1173 } | |
1174 | |
1175 #endif | |
1176 | |
1177 return NGX_CONF_OK; | |
1178 } | |
1179 | |
1180 | |
1181 #if (NGX_STREAM_SSL) | |
1182 | |
1183 static ngx_int_t | |
1184 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
1185 { | |
1186 ngx_pool_cleanup_t *cln; | |
1187 | |
1188 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
1189 if (pscf->ssl == NULL) { | |
1190 return NGX_ERROR; | |
1191 } | |
1192 | |
1193 pscf->ssl->log = cf->log; | |
1194 | |
1195 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
1196 return NGX_ERROR; | |
1197 } | |
1198 | |
1199 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
1200 if (cln == NULL) { | |
1201 return NGX_ERROR; | |
1202 } | |
1203 | |
1204 cln->handler = ngx_ssl_cleanup_ctx; | |
1205 cln->data = pscf->ssl; | |
1206 | |
1207 if (pscf->ssl_certificate.len) { | |
1208 | |
1209 if (pscf->ssl_certificate_key.len == 0) { | |
1210 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1211 "no \"proxy_ssl_certificate_key\" is defined " | |
1212 "for certificate \"%V\"", &pscf->ssl_certificate); | |
1213 return NGX_ERROR; | |
1214 } | |
1215 | |
1216 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
1217 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
1218 != NGX_OK) | |
1219 { | |
1220 return NGX_ERROR; | |
1221 } | |
1222 } | |
1223 | |
1224 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
1225 (const char *) pscf->ssl_ciphers.data) | |
1226 == 0) | |
1227 { | |
1228 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
1229 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
1230 &pscf->ssl_ciphers); | |
1231 return NGX_ERROR; | |
1232 } | |
1233 | |
1234 if (pscf->ssl_verify) { | |
1235 if (pscf->ssl_trusted_certificate.len == 0) { | |
1236 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1237 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
1238 return NGX_ERROR; | |
1239 } | |
1240 | |
1241 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
1242 &pscf->ssl_trusted_certificate, | |
1243 pscf->ssl_verify_depth) | |
1244 != NGX_OK) | |
1245 { | |
1246 return NGX_ERROR; | |
1247 } | |
1248 | |
1249 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
1250 return NGX_ERROR; | |
1251 } | |
1252 } | |
1253 | |
1254 return NGX_OK; | |
1255 } | |
1256 | |
1257 #endif | |
1258 | |
1259 | |
1260 static char * | |
1261 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1262 { | |
1263 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
1264 | |
1265 ngx_url_t u; | |
1266 ngx_str_t *value, *url; | |
1267 ngx_stream_core_srv_conf_t *cscf; | |
1268 | |
1269 if (pscf->upstream) { | |
1270 return "is duplicate"; | |
1271 } | |
1272 | |
1273 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
1274 | |
1275 cscf->handler = ngx_stream_proxy_handler; | |
1276 | |
1277 value = cf->args->elts; | |
1278 | |
1279 url = &value[1]; | |
1280 | |
1281 ngx_memzero(&u, sizeof(ngx_url_t)); | |
1282 | |
1283 u.url = *url; | |
1284 u.no_resolve = 1; | |
1285 | |
1286 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
1287 if (pscf->upstream == NULL) { | |
1288 return NGX_CONF_ERROR; | |
1289 } | |
1290 | |
1291 return NGX_CONF_OK; | |
1292 } |