Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_proxy_module.c @ 6455:ad2360782ecd
Core: introduced the NGX_DEBUG_PALLOC macro.
It allows to turn off accumulation of small pool allocations into a big
preallocated chunk of memory. This is useful for debugging memory access
with sanitizer, since such accumulation can cover buffer overruns from
being detected.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 23 Mar 2016 17:44:04 +0300 |
parents | 8f038068f4bc |
children | a01e315b3a78 |
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 struct { | |
14 ngx_msec_t connect_timeout; | |
15 ngx_msec_t timeout; | |
16 ngx_msec_t next_upstream_timeout; | |
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17 size_t buffer_size; |
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18 size_t upload_rate; |
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19 size_t download_rate; |
6436 | 20 ngx_uint_t responses; |
6115 | 21 ngx_uint_t next_upstream_tries; |
22 ngx_flag_t next_upstream; | |
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23 ngx_flag_t proxy_protocol; |
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24 ngx_addr_t *local; |
6115 | 25 |
26 #if (NGX_STREAM_SSL) | |
27 ngx_flag_t ssl_enable; | |
28 ngx_flag_t ssl_session_reuse; | |
29 ngx_uint_t ssl_protocols; | |
30 ngx_str_t ssl_ciphers; | |
31 ngx_str_t ssl_name; | |
32 ngx_flag_t ssl_server_name; | |
33 | |
34 ngx_flag_t ssl_verify; | |
35 ngx_uint_t ssl_verify_depth; | |
36 ngx_str_t ssl_trusted_certificate; | |
37 ngx_str_t ssl_crl; | |
38 ngx_str_t ssl_certificate; | |
39 ngx_str_t ssl_certificate_key; | |
40 ngx_array_t *ssl_passwords; | |
41 | |
42 ngx_ssl_t *ssl; | |
43 #endif | |
44 | |
45 ngx_stream_upstream_srv_conf_t *upstream; | |
46 } ngx_stream_proxy_srv_conf_t; | |
47 | |
48 | |
49 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
50 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
51 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
52 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
53 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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54 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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55 ngx_uint_t from_upstream); |
6115 | 56 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
57 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
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58 static void ngx_stream_proxy_process(ngx_stream_session_t *s, |
6115 | 59 ngx_uint_t from_upstream, ngx_uint_t do_write); |
60 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
61 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
62 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
63 size_t len); | |
64 | |
65 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
66 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
67 void *child); | |
68 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
69 void *conf); | |
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70 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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71 void *conf); |
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72 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
6115 | 73 |
74 #if (NGX_STREAM_SSL) | |
75 | |
76 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
77 ngx_command_t *cmd, void *conf); | |
78 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
79 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
80 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
81 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
82 ngx_stream_proxy_srv_conf_t *pscf); | |
83 | |
84 | |
85 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
86 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
87 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
88 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
89 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
90 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
91 { ngx_null_string, 0 } | |
92 }; | |
93 | |
94 #endif | |
95 | |
96 | |
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97 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_downstream_buffer = { |
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98 ngx_conf_deprecated, "proxy_downstream_buffer", "proxy_buffer_size" |
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99 }; |
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100 |
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101 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_upstream_buffer = { |
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102 ngx_conf_deprecated, "proxy_upstream_buffer", "proxy_buffer_size" |
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103 }; |
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104 |
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105 |
6115 | 106 static ngx_command_t ngx_stream_proxy_commands[] = { |
107 | |
108 { ngx_string("proxy_pass"), | |
109 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
110 ngx_stream_proxy_pass, | |
111 NGX_STREAM_SRV_CONF_OFFSET, | |
112 0, | |
113 NULL }, | |
114 | |
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115 { ngx_string("proxy_bind"), |
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116 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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117 ngx_stream_proxy_bind, |
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118 NGX_STREAM_SRV_CONF_OFFSET, |
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119 0, |
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120 NULL }, |
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121 |
6115 | 122 { ngx_string("proxy_connect_timeout"), |
123 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
124 ngx_conf_set_msec_slot, | |
125 NGX_STREAM_SRV_CONF_OFFSET, | |
126 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
127 NULL }, | |
128 | |
129 { ngx_string("proxy_timeout"), | |
130 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
131 ngx_conf_set_msec_slot, | |
132 NGX_STREAM_SRV_CONF_OFFSET, | |
133 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
134 NULL }, | |
135 | |
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136 { ngx_string("proxy_buffer_size"), |
6115 | 137 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
138 ngx_conf_set_size_slot, | |
139 NGX_STREAM_SRV_CONF_OFFSET, | |
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140 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
6115 | 141 NULL }, |
142 | |
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143 { ngx_string("proxy_downstream_buffer"), |
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144 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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145 ngx_conf_set_size_slot, |
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146 NGX_STREAM_SRV_CONF_OFFSET, |
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147 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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148 &ngx_conf_deprecated_proxy_downstream_buffer }, |
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149 |
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150 { ngx_string("proxy_upstream_buffer"), |
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151 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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152 ngx_conf_set_size_slot, |
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153 NGX_STREAM_SRV_CONF_OFFSET, |
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154 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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155 &ngx_conf_deprecated_proxy_upstream_buffer }, |
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156 |
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157 { ngx_string("proxy_upload_rate"), |
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158 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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159 ngx_conf_set_size_slot, |
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160 NGX_STREAM_SRV_CONF_OFFSET, |
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161 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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162 NULL }, |
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163 |
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164 { ngx_string("proxy_download_rate"), |
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165 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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166 ngx_conf_set_size_slot, |
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167 NGX_STREAM_SRV_CONF_OFFSET, |
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168 offsetof(ngx_stream_proxy_srv_conf_t, download_rate), |
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169 NULL }, |
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170 |
6436 | 171 { ngx_string("proxy_responses"), |
172 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
173 ngx_conf_set_num_slot, | |
174 NGX_STREAM_SRV_CONF_OFFSET, | |
175 offsetof(ngx_stream_proxy_srv_conf_t, responses), | |
176 NULL }, | |
177 | |
6115 | 178 { ngx_string("proxy_next_upstream"), |
179 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
180 ngx_conf_set_flag_slot, | |
181 NGX_STREAM_SRV_CONF_OFFSET, | |
182 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
183 NULL }, | |
184 | |
185 { ngx_string("proxy_next_upstream_tries"), | |
186 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
187 ngx_conf_set_num_slot, | |
188 NGX_STREAM_SRV_CONF_OFFSET, | |
189 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
190 NULL }, | |
191 | |
192 { ngx_string("proxy_next_upstream_timeout"), | |
193 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
194 ngx_conf_set_msec_slot, | |
195 NGX_STREAM_SRV_CONF_OFFSET, | |
196 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
197 NULL }, | |
198 | |
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199 { ngx_string("proxy_protocol"), |
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200 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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201 ngx_conf_set_flag_slot, |
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202 NGX_STREAM_SRV_CONF_OFFSET, |
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203 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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204 NULL }, |
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205 |
6115 | 206 #if (NGX_STREAM_SSL) |
207 | |
208 { ngx_string("proxy_ssl"), | |
209 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
210 ngx_conf_set_flag_slot, | |
211 NGX_STREAM_SRV_CONF_OFFSET, | |
212 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
213 NULL }, | |
214 | |
215 { ngx_string("proxy_ssl_session_reuse"), | |
216 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
217 ngx_conf_set_flag_slot, | |
218 NGX_STREAM_SRV_CONF_OFFSET, | |
219 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
220 NULL }, | |
221 | |
222 { ngx_string("proxy_ssl_protocols"), | |
223 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
224 ngx_conf_set_bitmask_slot, | |
225 NGX_STREAM_SRV_CONF_OFFSET, | |
226 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
227 &ngx_stream_proxy_ssl_protocols }, | |
228 | |
229 { ngx_string("proxy_ssl_ciphers"), | |
230 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
231 ngx_conf_set_str_slot, | |
232 NGX_STREAM_SRV_CONF_OFFSET, | |
233 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
234 NULL }, | |
235 | |
236 { ngx_string("proxy_ssl_name"), | |
237 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
238 ngx_conf_set_str_slot, | |
239 NGX_STREAM_SRV_CONF_OFFSET, | |
240 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
241 NULL }, | |
242 | |
243 { ngx_string("proxy_ssl_server_name"), | |
244 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
245 ngx_conf_set_flag_slot, | |
246 NGX_STREAM_SRV_CONF_OFFSET, | |
247 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
248 NULL }, | |
249 | |
250 { ngx_string("proxy_ssl_verify"), | |
251 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
252 ngx_conf_set_flag_slot, | |
253 NGX_STREAM_SRV_CONF_OFFSET, | |
254 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
255 NULL }, | |
256 | |
257 { ngx_string("proxy_ssl_verify_depth"), | |
258 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
259 ngx_conf_set_num_slot, | |
260 NGX_STREAM_SRV_CONF_OFFSET, | |
261 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
262 NULL }, | |
263 | |
264 { ngx_string("proxy_ssl_trusted_certificate"), | |
265 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
266 ngx_conf_set_str_slot, | |
267 NGX_STREAM_SRV_CONF_OFFSET, | |
268 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
269 NULL }, | |
270 | |
271 { ngx_string("proxy_ssl_crl"), | |
272 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
273 ngx_conf_set_str_slot, | |
274 NGX_STREAM_SRV_CONF_OFFSET, | |
275 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
276 NULL }, | |
277 | |
278 { ngx_string("proxy_ssl_certificate"), | |
279 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
280 ngx_conf_set_str_slot, | |
281 NGX_STREAM_SRV_CONF_OFFSET, | |
282 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
283 NULL }, | |
284 | |
285 { ngx_string("proxy_ssl_certificate_key"), | |
286 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
287 ngx_conf_set_str_slot, | |
288 NGX_STREAM_SRV_CONF_OFFSET, | |
289 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
290 NULL }, | |
291 | |
292 { ngx_string("proxy_ssl_password_file"), | |
293 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
294 ngx_stream_proxy_ssl_password_file, | |
295 NGX_STREAM_SRV_CONF_OFFSET, | |
296 0, | |
297 NULL }, | |
298 | |
299 #endif | |
300 | |
301 ngx_null_command | |
302 }; | |
303 | |
304 | |
305 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
6174
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
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parents:
6157
diff
changeset
|
306 NULL, /* postconfiguration */ |
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
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parents:
6157
diff
changeset
|
307 |
6115 | 308 NULL, /* create main configuration */ |
309 NULL, /* init main configuration */ | |
310 | |
311 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
312 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
313 }; | |
314 | |
315 | |
316 ngx_module_t ngx_stream_proxy_module = { | |
317 NGX_MODULE_V1, | |
318 &ngx_stream_proxy_module_ctx, /* module context */ | |
319 ngx_stream_proxy_commands, /* module directives */ | |
320 NGX_STREAM_MODULE, /* module type */ | |
321 NULL, /* init master */ | |
322 NULL, /* init module */ | |
323 NULL, /* init process */ | |
324 NULL, /* init thread */ | |
325 NULL, /* exit thread */ | |
326 NULL, /* exit process */ | |
327 NULL, /* exit master */ | |
328 NGX_MODULE_V1_PADDING | |
329 }; | |
330 | |
331 | |
332 static void | |
333 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
334 { | |
335 u_char *p; | |
336 ngx_connection_t *c; | |
337 ngx_stream_upstream_t *u; | |
338 ngx_stream_proxy_srv_conf_t *pscf; | |
339 ngx_stream_upstream_srv_conf_t *uscf; | |
340 | |
341 c = s->connection; | |
342 | |
343 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
344 | |
345 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
346 "proxy connection handler"); | |
347 | |
348 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
349 if (u == NULL) { | |
350 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
351 return; | |
352 } | |
353 | |
354 s->upstream = u; | |
355 | |
356 s->log_handler = ngx_stream_proxy_log_error; | |
357 | |
358 u->peer.log = c->log; | |
359 u->peer.log_error = NGX_ERROR_ERR; | |
360 | |
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
361 u->peer.local = pscf->local; |
6436 | 362 u->peer.type = c->type; |
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
363 |
6115 | 364 uscf = pscf->upstream; |
365 | |
366 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
367 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
368 return; | |
369 } | |
370 | |
371 u->peer.start_time = ngx_current_msec; | |
372 | |
373 if (pscf->next_upstream_tries | |
374 && u->peer.tries > pscf->next_upstream_tries) | |
375 { | |
376 u->peer.tries = pscf->next_upstream_tries; | |
377 } | |
378 | |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
379 u->proxy_protocol = pscf->proxy_protocol; |
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
380 u->start_sec = ngx_time(); |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
381 |
6436 | 382 c->write->handler = ngx_stream_proxy_downstream_handler; |
383 c->read->handler = ngx_stream_proxy_downstream_handler; | |
384 | |
385 if (c->type == SOCK_DGRAM) { | |
386 ngx_stream_proxy_connect(s); | |
387 return; | |
388 } | |
389 | |
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
390 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
6115 | 391 if (p == NULL) { |
392 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
393 return; | |
394 } | |
395 | |
396 u->downstream_buf.start = p; | |
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
397 u->downstream_buf.end = p + pscf->buffer_size; |
6115 | 398 u->downstream_buf.pos = p; |
399 u->downstream_buf.last = p; | |
400 | |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
401 if (u->proxy_protocol |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
402 #if (NGX_STREAM_SSL) |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
403 && pscf->ssl == NULL |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
404 #endif |
6216 | 405 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER) |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
406 { |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
407 /* optimization for a typical case */ |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
408 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
409 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
410 "stream proxy send PROXY protocol header"); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
411 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
412 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
413 u->downstream_buf.end); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
414 if (p == NULL) { |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
415 ngx_stream_proxy_finalize(s, NGX_ERROR); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
416 return; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
417 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
418 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
419 u->downstream_buf.last = p; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
420 u->proxy_protocol = 0; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
421 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
422 |
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
423 if (c->read->ready) { |
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
424 ngx_post_event(c->read, &ngx_posted_events); |
6115 | 425 } |
426 | |
427 ngx_stream_proxy_connect(s); | |
428 } | |
429 | |
430 | |
431 static void | |
432 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
433 { | |
434 ngx_int_t rc; | |
435 ngx_connection_t *c, *pc; | |
436 ngx_stream_upstream_t *u; | |
437 ngx_stream_proxy_srv_conf_t *pscf; | |
438 | |
439 c = s->connection; | |
440 | |
441 c->log->action = "connecting to upstream"; | |
442 | |
443 u = s->upstream; | |
444 | |
445 rc = ngx_event_connect_peer(&u->peer); | |
446 | |
447 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
448 | |
449 if (rc == NGX_ERROR) { | |
450 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
451 return; | |
452 } | |
453 | |
454 if (rc == NGX_BUSY) { | |
455 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
456 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
457 return; | |
458 } | |
459 | |
460 if (rc == NGX_DECLINED) { | |
461 ngx_stream_proxy_next_upstream(s); | |
462 return; | |
463 } | |
464 | |
465 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
466 | |
467 pc = u->peer.connection; | |
468 | |
469 pc->data = s; | |
470 pc->log = c->log; | |
471 pc->pool = c->pool; | |
472 pc->read->log = c->log; | |
473 pc->write->log = c->log; | |
474 | |
475 if (rc != NGX_AGAIN) { | |
476 ngx_stream_proxy_init_upstream(s); | |
477 return; | |
478 } | |
479 | |
480 pc->read->handler = ngx_stream_proxy_connect_handler; | |
481 pc->write->handler = ngx_stream_proxy_connect_handler; | |
482 | |
6393
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
483 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
484 |
6115 | 485 ngx_add_timer(pc->write, pscf->connect_timeout); |
486 } | |
487 | |
488 | |
489 static void | |
490 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
491 { | |
6222 | 492 int tcp_nodelay; |
6115 | 493 u_char *p; |
494 ngx_connection_t *c, *pc; | |
495 ngx_log_handler_pt handler; | |
496 ngx_stream_upstream_t *u; | |
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
497 ngx_stream_core_srv_conf_t *cscf; |
6115 | 498 ngx_stream_proxy_srv_conf_t *pscf; |
499 | |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
500 u = s->upstream; |
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
501 pc = u->peer.connection; |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
502 |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
503 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
504 |
6436 | 505 if (pc->type == SOCK_STREAM |
506 && cscf->tcp_nodelay | |
507 && pc->tcp_nodelay == NGX_TCP_NODELAY_UNSET) | |
508 { | |
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
509 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, pc->log, 0, "tcp_nodelay"); |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
510 |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
511 tcp_nodelay = 1; |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
512 |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
513 if (setsockopt(pc->fd, IPPROTO_TCP, TCP_NODELAY, |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
514 (const void *) &tcp_nodelay, sizeof(int)) == -1) |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
515 { |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
516 ngx_connection_error(pc, ngx_socket_errno, |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
517 "setsockopt(TCP_NODELAY) failed"); |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
518 ngx_stream_proxy_next_upstream(s); |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
519 return; |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
520 } |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
521 |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
522 pc->tcp_nodelay = NGX_TCP_NODELAY_SET; |
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
523 } |
6115 | 524 |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
525 if (u->proxy_protocol) { |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
526 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
527 return; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
528 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
529 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
530 u->proxy_protocol = 0; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
531 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
532 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
533 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
6115 | 534 |
535 #if (NGX_STREAM_SSL) | |
6436 | 536 if (pc->type == SOCK_STREAM && pscf->ssl && pc->ssl == NULL) { |
6115 | 537 ngx_stream_proxy_ssl_init_connection(s); |
538 return; | |
539 } | |
540 #endif | |
541 | |
542 c = s->connection; | |
543 | |
544 if (c->log->log_level >= NGX_LOG_INFO) { | |
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
545 ngx_str_t str; |
6115 | 546 u_char addr[NGX_SOCKADDR_STRLEN]; |
547 | |
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
548 str.len = NGX_SOCKADDR_STRLEN; |
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
549 str.data = addr; |
6115 | 550 |
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
551 if (ngx_connection_local_sockaddr(pc, &str, 1) == NGX_OK) { |
6115 | 552 handler = c->log->handler; |
553 c->log->handler = NULL; | |
554 | |
555 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
556 &str, u->peer.name); |
6115 | 557 |
558 c->log->handler = handler; | |
559 } | |
560 } | |
561 | |
562 c->log->action = "proxying connection"; | |
563 | |
6436 | 564 if (u->upstream_buf.start == NULL) { |
565 p = ngx_pnalloc(c->pool, pscf->buffer_size); | |
566 if (p == NULL) { | |
567 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
568 return; | |
569 } | |
570 | |
571 u->upstream_buf.start = p; | |
572 u->upstream_buf.end = p + pscf->buffer_size; | |
573 u->upstream_buf.pos = p; | |
574 u->upstream_buf.last = p; | |
6115 | 575 } |
576 | |
6436 | 577 if (c->type == SOCK_DGRAM) { |
578 s->received = c->buffer->last - c->buffer->pos; | |
579 u->downstream_buf = *c->buffer; | |
580 | |
581 if (pscf->responses == 0) { | |
582 pc->read->ready = 0; | |
583 pc->read->eof = 1; | |
584 } | |
585 } | |
6115 | 586 |
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
587 u->connected = 1; |
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Stream: upstream "connected" flag.
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parents:
6201
diff
changeset
|
588 |
6115 | 589 pc->read->handler = ngx_stream_proxy_upstream_handler; |
590 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
591 | |
6436 | 592 if (pc->read->ready || pc->read->eof) { |
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
593 ngx_post_event(pc->read, &ngx_posted_events); |
6115 | 594 } |
595 | |
596 ngx_stream_proxy_process(s, 0, 1); | |
597 } | |
598 | |
599 | |
6184
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
600 static ngx_int_t |
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
601 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
fa663739e115
Stream: client-side PROXY protocol.
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diff
changeset
|
602 { |
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diff
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|
603 u_char *p; |
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Stream: client-side PROXY protocol.
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diff
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|
604 ssize_t n, size; |
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Stream: client-side PROXY protocol.
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diff
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|
605 ngx_connection_t *c, *pc; |
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Stream: client-side PROXY protocol.
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diff
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|
606 ngx_stream_upstream_t *u; |
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Stream: client-side PROXY protocol.
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6183
diff
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|
607 ngx_stream_proxy_srv_conf_t *pscf; |
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
608 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
609 |
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Stream: client-side PROXY protocol.
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diff
changeset
|
610 c = s->connection; |
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
611 |
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
612 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
613 "stream proxy send PROXY protocol header"); |
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
614 |
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6183
diff
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|
615 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
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Stream: client-side PROXY protocol.
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diff
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|
616 if (p == NULL) { |
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Stream: client-side PROXY protocol.
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diff
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|
617 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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Stream: client-side PROXY protocol.
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diff
changeset
|
618 return NGX_ERROR; |
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
619 } |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
620 |
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6183
diff
changeset
|
621 u = s->upstream; |
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Stream: client-side PROXY protocol.
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6183
diff
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|
622 |
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Stream: client-side PROXY protocol.
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diff
changeset
|
623 pc = u->peer.connection; |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
624 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
625 size = p - buf; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
626 |
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Stream: client-side PROXY protocol.
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diff
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|
627 n = pc->send(pc, buf, size); |
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
628 |
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
629 if (n == NGX_AGAIN) { |
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
630 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
631 ngx_stream_proxy_finalize(s, NGX_ERROR); |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
632 return NGX_ERROR; |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
633 } |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
634 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
635 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
636 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
637 ngx_add_timer(pc->write, pscf->timeout); |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
638 |
fa663739e115
Stream: client-side PROXY protocol.
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6183
diff
changeset
|
639 pc->write->handler = ngx_stream_proxy_connect_handler; |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
640 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
641 return NGX_AGAIN; |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
642 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
643 |
fa663739e115
Stream: client-side PROXY protocol.
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6183
diff
changeset
|
644 if (n == NGX_ERROR) { |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
645 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
646 return NGX_ERROR; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
647 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
648 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
649 if (n != size) { |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
650 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
651 /* |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
652 * PROXY protocol specification: |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
653 * The sender must always ensure that the header |
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
654 * is sent at once, so that the transport layer |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
655 * maintains atomicity along the path to the receiver. |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
656 */ |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
657 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
658 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
659 "could not send PROXY protocol header at once"); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
660 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
661 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
662 |
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
663 return NGX_ERROR; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
664 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
665 |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
666 return NGX_OK; |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
667 } |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
668 |
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parents:
6183
diff
changeset
|
669 |
6115 | 670 #if (NGX_STREAM_SSL) |
671 | |
672 static char * | |
673 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
674 void *conf) | |
675 { | |
676 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
677 | |
678 ngx_str_t *value; | |
679 | |
680 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
681 return "is duplicate"; | |
682 } | |
683 | |
684 value = cf->args->elts; | |
685 | |
686 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
687 | |
688 if (pscf->ssl_passwords == NULL) { | |
689 return NGX_CONF_ERROR; | |
690 } | |
691 | |
692 return NGX_CONF_OK; | |
693 } | |
694 | |
695 | |
696 static void | |
697 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
698 { | |
699 ngx_int_t rc; | |
700 ngx_connection_t *pc; | |
701 ngx_stream_upstream_t *u; | |
702 ngx_stream_proxy_srv_conf_t *pscf; | |
703 | |
704 u = s->upstream; | |
705 | |
706 pc = u->peer.connection; | |
707 | |
708 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
709 | |
710 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
711 != NGX_OK) | |
712 { | |
713 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
714 return; | |
715 } | |
716 | |
717 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
718 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
719 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
720 return; | |
721 } | |
722 } | |
723 | |
724 if (pscf->ssl_session_reuse) { | |
725 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
726 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
727 return; | |
728 } | |
729 } | |
730 | |
731 s->connection->log->action = "SSL handshaking to upstream"; | |
732 | |
733 rc = ngx_ssl_handshake(pc); | |
734 | |
735 if (rc == NGX_AGAIN) { | |
736 | |
737 if (!pc->write->timer_set) { | |
738 ngx_add_timer(pc->write, pscf->connect_timeout); | |
739 } | |
740 | |
741 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
742 return; | |
743 } | |
744 | |
745 ngx_stream_proxy_ssl_handshake(pc); | |
746 } | |
747 | |
748 | |
749 static void | |
750 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
751 { | |
752 long rc; | |
753 ngx_stream_session_t *s; | |
754 ngx_stream_upstream_t *u; | |
755 ngx_stream_proxy_srv_conf_t *pscf; | |
756 | |
757 s = pc->data; | |
758 | |
759 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
760 | |
761 if (pc->ssl->handshaked) { | |
762 | |
763 if (pscf->ssl_verify) { | |
764 rc = SSL_get_verify_result(pc->ssl->connection); | |
765 | |
766 if (rc != X509_V_OK) { | |
767 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
768 "upstream SSL certificate verify error: (%l:%s)", | |
769 rc, X509_verify_cert_error_string(rc)); | |
770 goto failed; | |
771 } | |
772 | |
773 u = s->upstream; | |
774 | |
775 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
776 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
777 "upstream SSL certificate does not match \"%V\"", | |
778 &u->ssl_name); | |
779 goto failed; | |
780 } | |
781 } | |
782 | |
783 if (pscf->ssl_session_reuse) { | |
784 u = s->upstream; | |
785 u->peer.save_session(&u->peer, u->peer.data); | |
786 } | |
787 | |
6258
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
788 if (pc->write->timer_set) { |
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
789 ngx_del_timer(pc->write); |
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
790 } |
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
791 |
6115 | 792 ngx_stream_proxy_init_upstream(s); |
793 | |
794 return; | |
795 } | |
796 | |
797 failed: | |
798 | |
799 ngx_stream_proxy_next_upstream(s); | |
800 } | |
801 | |
802 | |
803 static ngx_int_t | |
804 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
805 { | |
806 u_char *p, *last; | |
807 ngx_str_t name; | |
808 ngx_stream_upstream_t *u; | |
809 ngx_stream_proxy_srv_conf_t *pscf; | |
810 | |
811 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
812 | |
813 u = s->upstream; | |
814 | |
815 name = pscf->ssl_name; | |
816 | |
817 if (name.len == 0) { | |
818 name = pscf->upstream->host; | |
819 } | |
820 | |
821 if (name.len == 0) { | |
822 goto done; | |
823 } | |
824 | |
825 /* | |
826 * ssl name here may contain port, strip it for compatibility | |
827 * with the http module | |
828 */ | |
829 | |
830 p = name.data; | |
831 last = name.data + name.len; | |
832 | |
833 if (*p == '[') { | |
834 p = ngx_strlchr(p, last, ']'); | |
835 | |
836 if (p == NULL) { | |
837 p = name.data; | |
838 } | |
839 } | |
840 | |
841 p = ngx_strlchr(p, last, ':'); | |
842 | |
843 if (p != NULL) { | |
844 name.len = p - name.data; | |
845 } | |
846 | |
847 if (!pscf->ssl_server_name) { | |
848 goto done; | |
849 } | |
850 | |
851 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
852 | |
853 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
854 | |
855 if (name.len == 0 || *name.data == '[') { | |
856 goto done; | |
857 } | |
858 | |
859 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
860 goto done; | |
861 } | |
862 | |
863 /* | |
864 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
865 * hence we explicitly null-terminate name here | |
866 */ | |
867 | |
868 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
869 if (p == NULL) { | |
870 return NGX_ERROR; | |
871 } | |
872 | |
873 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
874 | |
875 name.data = p; | |
876 | |
877 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
878 "upstream SSL server name: \"%s\"", name.data); | |
879 | |
880 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
881 == 0) | |
882 { | |
883 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
884 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
885 return NGX_ERROR; | |
886 } | |
887 | |
888 #endif | |
889 | |
890 done: | |
891 | |
892 u->ssl_name = name; | |
893 | |
894 return NGX_OK; | |
895 } | |
896 | |
897 #endif | |
898 | |
899 | |
900 static void | |
901 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
902 { | |
6200
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|
903 ngx_stream_proxy_process_connection(ev, ev->write); |
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Stream: common handler for upstream and downstream.
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|
904 } |
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Stream: common handler for upstream and downstream.
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|
905 |
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Stream: common handler for upstream and downstream.
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|
906 |
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Stream: common handler for upstream and downstream.
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|
907 static void |
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Stream: common handler for upstream and downstream.
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|
908 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
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Stream: common handler for upstream and downstream.
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|
909 { |
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Stream: common handler for upstream and downstream.
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910 ngx_stream_proxy_process_connection(ev, !ev->write); |
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Stream: common handler for upstream and downstream.
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|
911 } |
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Stream: common handler for upstream and downstream.
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|
912 |
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Stream: common handler for upstream and downstream.
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|
913 |
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Stream: common handler for upstream and downstream.
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|
914 static void |
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915 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
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Stream: common handler for upstream and downstream.
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|
916 { |
6201
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917 ngx_connection_t *c, *pc; |
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Stream: upstream and downstream limit rates.
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918 ngx_stream_session_t *s; |
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Stream: upstream and downstream limit rates.
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919 ngx_stream_upstream_t *u; |
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Stream: upstream and downstream limit rates.
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920 ngx_stream_proxy_srv_conf_t *pscf; |
6115 | 921 |
922 c = ev->data; | |
923 s = c->data; | |
6200
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924 u = s->upstream; |
6115 | 925 |
6436 | 926 c = s->connection; |
927 pc = u->peer.connection; | |
928 | |
929 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
930 | |
6115 | 931 if (ev->timedout) { |
6436 | 932 ev->timedout = 0; |
6201
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|
933 |
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934 if (ev->delayed) { |
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Stream: upstream and downstream limit rates.
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|
935 ev->delayed = 0; |
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Stream: upstream and downstream limit rates.
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|
936 |
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937 if (!ev->ready) { |
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|
938 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
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939 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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Stream: upstream and downstream limit rates.
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940 return; |
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Stream: upstream and downstream limit rates.
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|
941 } |
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|
942 |
6436 | 943 if (u->connected && !c->read->delayed && !pc->read->delayed) { |
944 ngx_add_timer(c->write, pscf->timeout); | |
6201
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945 } |
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|
946 |
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Stream: upstream and downstream limit rates.
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947 return; |
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Stream: upstream and downstream limit rates.
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|
948 } |
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Stream: upstream and downstream limit rates.
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|
949 |
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|
950 } else { |
6436 | 951 if (s->connection->type == SOCK_DGRAM) { |
952 if (pscf->responses == NGX_MAX_INT32_VALUE) { | |
953 | |
954 /* | |
955 * successfully terminate timed out UDP session | |
956 * with unspecified number of responses | |
957 */ | |
958 | |
959 pc->read->ready = 0; | |
960 pc->read->eof = 1; | |
961 | |
962 ngx_stream_proxy_process(s, 1, 0); | |
963 return; | |
964 } | |
965 | |
966 if (u->received == 0) { | |
967 ngx_stream_proxy_next_upstream(s); | |
968 return; | |
969 } | |
970 } | |
971 | |
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|
972 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
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973 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
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Stream: upstream and downstream limit rates.
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974 return; |
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Stream: upstream and downstream limit rates.
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|
975 } |
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Stream: upstream and downstream limit rates.
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|
976 |
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|
977 } else if (ev->delayed) { |
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Stream: upstream and downstream limit rates.
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|
978 |
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|
979 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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Stream: upstream and downstream limit rates.
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|
980 "stream connection delayed"); |
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Stream: upstream and downstream limit rates.
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|
981 |
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Stream: upstream and downstream limit rates.
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|
982 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
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Stream: upstream and downstream limit rates.
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|
983 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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Stream: upstream and downstream limit rates.
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|
984 } |
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diff
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|
985 |
6115 | 986 return; |
987 } | |
988 | |
6202
6345822f0abb
Stream: upstream "connected" flag.
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diff
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|
989 if (from_upstream && !u->connected) { |
6200
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|
990 return; |
6115 | 991 } |
992 | |
6200
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Stream: common handler for upstream and downstream.
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|
993 ngx_stream_proxy_process(s, from_upstream, ev->write); |
6115 | 994 } |
995 | |
996 | |
997 static void | |
998 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
999 { | |
1000 ngx_connection_t *c; | |
1001 ngx_stream_session_t *s; | |
1002 | |
1003 c = ev->data; | |
1004 s = c->data; | |
1005 | |
1006 if (ev->timedout) { | |
1007 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
1008 ngx_stream_proxy_next_upstream(s); | |
1009 return; | |
1010 } | |
1011 | |
1012 ngx_del_timer(c->write); | |
1013 | |
1014 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
1015 "stream proxy connect upstream"); | |
1016 | |
1017 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
1018 ngx_stream_proxy_next_upstream(s); | |
1019 return; | |
1020 } | |
1021 | |
1022 ngx_stream_proxy_init_upstream(s); | |
1023 } | |
1024 | |
1025 | |
1026 static ngx_int_t | |
1027 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
1028 { | |
1029 int err; | |
1030 socklen_t len; | |
1031 | |
1032 #if (NGX_HAVE_KQUEUE) | |
1033 | |
1034 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
1035 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
1036 | |
1037 if (err) { | |
1038 (void) ngx_connection_error(c, err, | |
1039 "kevent() reported that connect() failed"); | |
1040 return NGX_ERROR; | |
1041 } | |
1042 | |
1043 } else | |
1044 #endif | |
1045 { | |
1046 err = 0; | |
1047 len = sizeof(int); | |
1048 | |
1049 /* | |
1050 * BSDs and Linux return 0 and set a pending error in err | |
1051 * Solaris returns -1 and sets errno | |
1052 */ | |
1053 | |
1054 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
1055 == -1) | |
1056 { | |
1057 err = ngx_socket_errno; | |
1058 } | |
1059 | |
1060 if (err) { | |
1061 (void) ngx_connection_error(c, err, "connect() failed"); | |
1062 return NGX_ERROR; | |
1063 } | |
1064 } | |
1065 | |
1066 return NGX_OK; | |
1067 } | |
1068 | |
1069 | |
6435
d1c791479bbb
Stream: post first read events from client and upstream.
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6393
diff
changeset
|
1070 static void |
6115 | 1071 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, |
1072 ngx_uint_t do_write) | |
1073 { | |
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1074 off_t *received, limit; |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1075 size_t size, limit_rate; |
6115 | 1076 ssize_t n; |
1077 ngx_buf_t *b; | |
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1078 ngx_uint_t flags; |
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1079 ngx_msec_t delay; |
6115 | 1080 ngx_connection_t *c, *pc, *src, *dst; |
1081 ngx_log_handler_pt handler; | |
1082 ngx_stream_upstream_t *u; | |
1083 ngx_stream_proxy_srv_conf_t *pscf; | |
1084 | |
1085 u = s->upstream; | |
1086 | |
1087 c = s->connection; | |
6202
6345822f0abb
Stream: upstream "connected" flag.
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parents:
6201
diff
changeset
|
1088 pc = u->connected ? u->peer.connection : NULL; |
6115 | 1089 |
6436 | 1090 if (c->type == SOCK_DGRAM && (ngx_terminate || ngx_exiting)) { |
1091 | |
1092 /* socket is already closed on worker shutdown */ | |
1093 | |
1094 handler = c->log->handler; | |
1095 c->log->handler = NULL; | |
1096 | |
1097 ngx_log_error(NGX_LOG_INFO, c->log, 0, "disconnected on shutdown"); | |
1098 | |
1099 c->log->handler = handler; | |
1100 | |
1101 ngx_stream_proxy_finalize(s, NGX_OK); | |
1102 return; | |
1103 } | |
1104 | |
6201
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Stream: upstream and downstream limit rates.
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|
1105 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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Stream: upstream and downstream limit rates.
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diff
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|
1106 |
6115 | 1107 if (from_upstream) { |
1108 src = pc; | |
1109 dst = c; | |
1110 b = &u->upstream_buf; | |
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1111 limit_rate = pscf->download_rate; |
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1112 received = &u->received; |
6115 | 1113 |
1114 } else { | |
1115 src = c; | |
1116 dst = pc; | |
1117 b = &u->downstream_buf; | |
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
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parents:
6204
diff
changeset
|
1118 limit_rate = pscf->upload_rate; |
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1119 received = &s->received; |
6115 | 1120 } |
1121 | |
1122 for ( ;; ) { | |
1123 | |
1124 if (do_write) { | |
1125 | |
1126 size = b->last - b->pos; | |
1127 | |
1128 if (size && dst && dst->write->ready) { | |
1129 | |
1130 n = dst->send(dst, b->pos, size); | |
1131 | |
6436 | 1132 if (n == NGX_AGAIN && dst->shared) { |
1133 /* cannot wait on a shared socket */ | |
1134 n = NGX_ERROR; | |
1135 } | |
1136 | |
6115 | 1137 if (n == NGX_ERROR) { |
6436 | 1138 if (c->type == SOCK_DGRAM && !from_upstream) { |
1139 ngx_stream_proxy_next_upstream(s); | |
1140 return; | |
1141 } | |
1142 | |
6115 | 1143 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
6435
d1c791479bbb
Stream: post first read events from client and upstream.
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parents:
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diff
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|
1144 return; |
6115 | 1145 } |
1146 | |
1147 if (n > 0) { | |
1148 b->pos += n; | |
1149 | |
1150 if (b->pos == b->last) { | |
1151 b->pos = b->start; | |
1152 b->last = b->start; | |
1153 } | |
1154 } | |
1155 } | |
1156 } | |
1157 | |
1158 size = b->end - b->last; | |
1159 | |
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1160 if (size && src->read->ready && !src->read->delayed) { |
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Stream: upstream and downstream limit rates.
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|
1161 |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1162 if (limit_rate) { |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1163 limit = (off_t) limit_rate * (ngx_time() - u->start_sec + 1) |
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
1164 - *received; |
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1165 |
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1166 if (limit <= 0) { |
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1167 src->read->delayed = 1; |
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Stream: upstream and downstream limit rates.
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diff
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|
1168 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
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Stream: upstream and downstream limit rates.
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|
1169 ngx_add_timer(src->read, delay); |
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
1170 break; |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1171 } |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1172 |
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1173 if ((off_t) size > limit) { |
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
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6202
diff
changeset
|
1174 size = (size_t) limit; |
6201
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diff
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|
1175 } |
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1176 } |
6115 | 1177 |
1178 n = src->recv(src, b->last, size); | |
1179 | |
1180 if (n == NGX_AGAIN || n == 0) { | |
1181 break; | |
1182 } | |
1183 | |
1184 if (n > 0) { | |
6201
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|
1185 if (limit_rate) { |
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Stream: upstream and downstream limit rates.
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changeset
|
1186 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
6115 | 1187 |
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1188 if (delay > 0) { |
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
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|
1189 src->read->delayed = 1; |
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Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1190 ngx_add_timer(src->read, delay); |
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Stream: upstream and downstream limit rates.
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parents:
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diff
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|
1191 } |
6115 | 1192 } |
1193 | |
6436 | 1194 if (c->type == SOCK_DGRAM && ++u->responses == pscf->responses) |
1195 { | |
1196 src->read->ready = 0; | |
1197 src->read->eof = 1; | |
1198 } | |
1199 | |
6201
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parents:
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diff
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|
1200 *received += n; |
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parents:
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diff
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|
1201 b->last += n; |
6115 | 1202 do_write = 1; |
6201
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parents:
6200
diff
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|
1203 |
6115 | 1204 continue; |
1205 } | |
1206 | |
1207 if (n == NGX_ERROR) { | |
6436 | 1208 if (c->type == SOCK_DGRAM && u->received == 0) { |
1209 ngx_stream_proxy_next_upstream(s); | |
1210 return; | |
1211 } | |
1212 | |
6115 | 1213 src->read->eof = 1; |
1214 } | |
1215 } | |
1216 | |
1217 break; | |
1218 } | |
1219 | |
1220 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
1221 handler = c->log->handler; | |
1222 c->log->handler = NULL; | |
1223 | |
1224 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
1225 "%s disconnected" | |
1226 ", bytes from/to client:%O/%O" | |
1227 ", bytes from/to upstream:%O/%O", | |
1228 from_upstream ? "upstream" : "client", | |
1229 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
1230 | |
1231 c->log->handler = handler; | |
1232 | |
1233 ngx_stream_proxy_finalize(s, NGX_OK); | |
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1234 return; |
6115 | 1235 } |
1236 | |
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
1237 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
|
1238 |
6436 | 1239 if (!src->shared && ngx_handle_read_event(src->read, flags) != NGX_OK) { |
6115 | 1240 ngx_stream_proxy_finalize(s, NGX_ERROR); |
6435
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1241 return; |
6115 | 1242 } |
1243 | |
1244 if (dst) { | |
6436 | 1245 if (!dst->shared && ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
6115 | 1246 ngx_stream_proxy_finalize(s, NGX_ERROR); |
6435
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
1247 return; |
6115 | 1248 } |
1249 | |
6201
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Stream: upstream and downstream limit rates.
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parents:
6200
diff
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|
1250 if (!c->read->delayed && !pc->read->delayed) { |
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parents:
6200
diff
changeset
|
1251 ngx_add_timer(c->write, pscf->timeout); |
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Stream: upstream and downstream limit rates.
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parents:
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diff
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|
1252 |
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diff
changeset
|
1253 } else if (c->write->timer_set) { |
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parents:
6200
diff
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|
1254 ngx_del_timer(c->write); |
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|
1255 } |
6115 | 1256 } |
1257 } | |
1258 | |
1259 | |
1260 static void | |
1261 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
1262 { | |
1263 ngx_msec_t timeout; | |
1264 ngx_connection_t *pc; | |
1265 ngx_stream_upstream_t *u; | |
1266 ngx_stream_proxy_srv_conf_t *pscf; | |
1267 | |
1268 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
1269 "stream proxy next upstream"); | |
1270 | |
1271 u = s->upstream; | |
1272 | |
1273 if (u->peer.sockaddr) { | |
1274 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
1275 u->peer.sockaddr = NULL; | |
1276 } | |
1277 | |
1278 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
1279 | |
1280 timeout = pscf->next_upstream_timeout; | |
1281 | |
1282 if (u->peer.tries == 0 | |
1283 || !pscf->next_upstream | |
1284 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
1285 { | |
1286 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
1287 return; | |
1288 } | |
1289 | |
1290 pc = u->peer.connection; | |
1291 | |
1292 if (pc) { | |
1293 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
1294 "close proxy upstream connection: %d", pc->fd); | |
1295 | |
1296 #if (NGX_STREAM_SSL) | |
1297 if (pc->ssl) { | |
1298 pc->ssl->no_wait_shutdown = 1; | |
1299 pc->ssl->no_send_shutdown = 1; | |
1300 | |
1301 (void) ngx_ssl_shutdown(pc); | |
1302 } | |
1303 #endif | |
1304 | |
1305 ngx_close_connection(pc); | |
1306 u->peer.connection = NULL; | |
1307 } | |
1308 | |
1309 ngx_stream_proxy_connect(s); | |
1310 } | |
1311 | |
1312 | |
1313 static void | |
1314 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
1315 { | |
1316 ngx_connection_t *pc; | |
1317 ngx_stream_upstream_t *u; | |
1318 | |
1319 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
1320 "finalize stream proxy: %i", rc); | |
1321 | |
1322 u = s->upstream; | |
1323 | |
1324 if (u == NULL) { | |
1325 goto noupstream; | |
1326 } | |
1327 | |
1328 if (u->peer.free && u->peer.sockaddr) { | |
1329 u->peer.free(&u->peer, u->peer.data, 0); | |
1330 u->peer.sockaddr = NULL; | |
1331 } | |
1332 | |
1333 pc = u->peer.connection; | |
1334 | |
1335 if (pc) { | |
1336 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
1337 "close stream proxy upstream connection: %d", pc->fd); | |
1338 | |
1339 #if (NGX_STREAM_SSL) | |
1340 if (pc->ssl) { | |
1341 pc->ssl->no_wait_shutdown = 1; | |
1342 (void) ngx_ssl_shutdown(pc); | |
1343 } | |
1344 #endif | |
1345 | |
1346 ngx_close_connection(pc); | |
1347 u->peer.connection = NULL; | |
1348 } | |
1349 | |
1350 noupstream: | |
1351 | |
1352 ngx_stream_close_connection(s->connection); | |
1353 } | |
1354 | |
1355 | |
1356 static u_char * | |
1357 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
1358 { | |
1359 u_char *p; | |
1360 ngx_connection_t *pc; | |
1361 ngx_stream_session_t *s; | |
1362 ngx_stream_upstream_t *u; | |
1363 | |
1364 s = log->data; | |
1365 | |
1366 u = s->upstream; | |
1367 | |
1368 p = buf; | |
1369 | |
1370 if (u->peer.name) { | |
1371 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
1372 len -= p - buf; | |
1373 } | |
1374 | |
1375 pc = u->peer.connection; | |
1376 | |
1377 p = ngx_snprintf(p, len, | |
1378 ", bytes from/to client:%O/%O" | |
1379 ", bytes from/to upstream:%O/%O", | |
1380 s->received, s->connection->sent, | |
1381 u->received, pc ? pc->sent : 0); | |
1382 | |
1383 return p; | |
1384 } | |
1385 | |
1386 | |
1387 static void * | |
1388 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
1389 { | |
1390 ngx_stream_proxy_srv_conf_t *conf; | |
1391 | |
1392 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
1393 if (conf == NULL) { | |
1394 return NULL; | |
1395 } | |
1396 | |
1397 /* | |
1398 * set by ngx_pcalloc(): | |
1399 * | |
1400 * conf->ssl_protocols = 0; | |
1401 * conf->ssl_ciphers = { 0, NULL }; | |
1402 * conf->ssl_name = { 0, NULL }; | |
1403 * conf->ssl_trusted_certificate = { 0, NULL }; | |
1404 * conf->ssl_crl = { 0, NULL }; | |
1405 * conf->ssl_certificate = { 0, NULL }; | |
1406 * conf->ssl_certificate_key = { 0, NULL }; | |
1407 * | |
1408 * conf->ssl = NULL; | |
1409 * conf->upstream = NULL; | |
1410 */ | |
1411 | |
1412 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
1413 conf->timeout = NGX_CONF_UNSET_MSEC; | |
1414 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1415 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1416 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
7a14a0d754ad
Stream: renamed rate limiting directives.
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parents:
6204
diff
changeset
|
1417 conf->download_rate = NGX_CONF_UNSET_SIZE; |
6436 | 1418 conf->responses = NGX_CONF_UNSET_UINT; |
6115 | 1419 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
1420 conf->next_upstream = NGX_CONF_UNSET; | |
6184
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1421 conf->proxy_protocol = NGX_CONF_UNSET; |
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1422 conf->local = NGX_CONF_UNSET_PTR; |
6115 | 1423 |
1424 #if (NGX_STREAM_SSL) | |
1425 conf->ssl_enable = NGX_CONF_UNSET; | |
1426 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
1427 conf->ssl_server_name = NGX_CONF_UNSET; | |
1428 conf->ssl_verify = NGX_CONF_UNSET; | |
1429 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
1430 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
1431 #endif | |
1432 | |
1433 return conf; | |
1434 } | |
1435 | |
1436 | |
1437 static char * | |
1438 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
1439 { | |
1440 ngx_stream_proxy_srv_conf_t *prev = parent; | |
1441 ngx_stream_proxy_srv_conf_t *conf = child; | |
1442 | |
1443 ngx_conf_merge_msec_value(conf->connect_timeout, | |
1444 prev->connect_timeout, 60000); | |
1445 | |
1446 ngx_conf_merge_msec_value(conf->timeout, | |
1447 prev->timeout, 10 * 60000); | |
1448 | |
1449 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
1450 prev->next_upstream_timeout, 0); | |
1451 | |
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1452 ngx_conf_merge_size_value(conf->buffer_size, |
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1453 prev->buffer_size, 16384); |
6115 | 1454 |
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1455 ngx_conf_merge_size_value(conf->upload_rate, |
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1456 prev->upload_rate, 0); |
6201
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1457 |
6208
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Stream: renamed rate limiting directives.
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parents:
6204
diff
changeset
|
1458 ngx_conf_merge_size_value(conf->download_rate, |
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1459 prev->download_rate, 0); |
6201
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1460 |
6436 | 1461 ngx_conf_merge_uint_value(conf->responses, |
1462 prev->responses, NGX_MAX_INT32_VALUE); | |
1463 | |
6115 | 1464 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
1465 prev->next_upstream_tries, 0); | |
1466 | |
1467 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
1468 | |
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1469 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1470 |
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1471 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1472 |
6115 | 1473 #if (NGX_STREAM_SSL) |
1474 | |
1475 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
1476 | |
1477 ngx_conf_merge_value(conf->ssl_session_reuse, | |
1478 prev->ssl_session_reuse, 1); | |
1479 | |
1480 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
|
1481 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1482 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
6115 | 1483 |
1484 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
1485 | |
1486 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
1487 | |
1488 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
1489 | |
1490 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
1491 | |
1492 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
1493 prev->ssl_verify_depth, 1); | |
1494 | |
1495 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
1496 prev->ssl_trusted_certificate, ""); | |
1497 | |
1498 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
1499 | |
1500 ngx_conf_merge_str_value(conf->ssl_certificate, | |
1501 prev->ssl_certificate, ""); | |
1502 | |
1503 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
1504 prev->ssl_certificate_key, ""); | |
1505 | |
1506 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
1507 | |
1508 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
1509 return NGX_CONF_ERROR; | |
1510 } | |
1511 | |
1512 #endif | |
1513 | |
1514 return NGX_CONF_OK; | |
1515 } | |
1516 | |
1517 | |
1518 #if (NGX_STREAM_SSL) | |
1519 | |
1520 static ngx_int_t | |
1521 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
1522 { | |
1523 ngx_pool_cleanup_t *cln; | |
1524 | |
1525 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
1526 if (pscf->ssl == NULL) { | |
1527 return NGX_ERROR; | |
1528 } | |
1529 | |
1530 pscf->ssl->log = cf->log; | |
1531 | |
1532 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
1533 return NGX_ERROR; | |
1534 } | |
1535 | |
1536 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
1537 if (cln == NULL) { | |
1538 return NGX_ERROR; | |
1539 } | |
1540 | |
1541 cln->handler = ngx_ssl_cleanup_ctx; | |
1542 cln->data = pscf->ssl; | |
1543 | |
1544 if (pscf->ssl_certificate.len) { | |
1545 | |
1546 if (pscf->ssl_certificate_key.len == 0) { | |
1547 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1548 "no \"proxy_ssl_certificate_key\" is defined " | |
1549 "for certificate \"%V\"", &pscf->ssl_certificate); | |
1550 return NGX_ERROR; | |
1551 } | |
1552 | |
1553 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
1554 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
1555 != NGX_OK) | |
1556 { | |
1557 return NGX_ERROR; | |
1558 } | |
1559 } | |
1560 | |
1561 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
1562 (const char *) pscf->ssl_ciphers.data) | |
1563 == 0) | |
1564 { | |
1565 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
1566 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
1567 &pscf->ssl_ciphers); | |
1568 return NGX_ERROR; | |
1569 } | |
1570 | |
1571 if (pscf->ssl_verify) { | |
1572 if (pscf->ssl_trusted_certificate.len == 0) { | |
1573 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1574 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
1575 return NGX_ERROR; | |
1576 } | |
1577 | |
1578 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
1579 &pscf->ssl_trusted_certificate, | |
1580 pscf->ssl_verify_depth) | |
1581 != NGX_OK) | |
1582 { | |
1583 return NGX_ERROR; | |
1584 } | |
1585 | |
1586 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
1587 return NGX_ERROR; | |
1588 } | |
1589 } | |
1590 | |
1591 return NGX_OK; | |
1592 } | |
1593 | |
1594 #endif | |
1595 | |
1596 | |
1597 static char * | |
1598 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1599 { | |
1600 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
1601 | |
1602 ngx_url_t u; | |
1603 ngx_str_t *value, *url; | |
1604 ngx_stream_core_srv_conf_t *cscf; | |
1605 | |
1606 if (pscf->upstream) { | |
1607 return "is duplicate"; | |
1608 } | |
1609 | |
1610 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
1611 | |
1612 cscf->handler = ngx_stream_proxy_handler; | |
1613 | |
1614 value = cf->args->elts; | |
1615 | |
1616 url = &value[1]; | |
1617 | |
1618 ngx_memzero(&u, sizeof(ngx_url_t)); | |
1619 | |
1620 u.url = *url; | |
1621 u.no_resolve = 1; | |
1622 | |
1623 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
1624 if (pscf->upstream == NULL) { | |
1625 return NGX_CONF_ERROR; | |
1626 } | |
1627 | |
1628 return NGX_CONF_OK; | |
1629 } | |
6183
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1630 |
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1631 |
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|
1632 static char * |
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Stream: the "proxy_bind" directive.
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|
1633 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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Stream: the "proxy_bind" directive.
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|
1634 { |
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|
1635 ngx_stream_proxy_srv_conf_t *pscf = conf; |
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|
1636 |
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1637 ngx_int_t rc; |
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|
1638 ngx_str_t *value; |
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Stream: the "proxy_bind" directive.
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|
1639 |
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|
1640 if (pscf->local != NGX_CONF_UNSET_PTR) { |
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|
1641 return "is duplicate"; |
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Stream: the "proxy_bind" directive.
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|
1642 } |
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|
1643 |
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|
1644 value = cf->args->elts; |
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Stream: the "proxy_bind" directive.
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1645 |
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|
1646 if (ngx_strcmp(value[1].data, "off") == 0) { |
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Stream: the "proxy_bind" directive.
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|
1647 pscf->local = NULL; |
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Stream: the "proxy_bind" directive.
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|
1648 return NGX_CONF_OK; |
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diff
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|
1649 } |
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|
1650 |
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|
1651 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
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Stream: the "proxy_bind" directive.
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|
1652 if (pscf->local == NULL) { |
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Stream: the "proxy_bind" directive.
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|
1653 return NGX_CONF_ERROR; |
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|
1654 } |
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|
1655 |
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|
1656 rc = ngx_parse_addr(cf->pool, pscf->local, value[1].data, value[1].len); |
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Stream: the "proxy_bind" directive.
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|
1657 |
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|
1658 switch (rc) { |
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Stream: the "proxy_bind" directive.
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|
1659 case NGX_OK: |
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|
1660 pscf->local->name = value[1]; |
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|
1661 return NGX_CONF_OK; |
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|
1662 |
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|
1663 case NGX_DECLINED: |
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|
1664 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
1665 "invalid address \"%V\"", &value[1]); |
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1666 /* fall through */ |
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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|
1667 |
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|
1668 default: |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1669 return NGX_CONF_ERROR; |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1670 } |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1671 } |