Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6215:8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Both download and upload buffers now have the same size. The old directives
proxy_downstream_buffer and proxy_upstream_buffer are removed.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Wed, 29 Jul 2015 13:46:26 -0700 |
| parents | 7a14a0d754ad |
| children | 543f10fe34d2 |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 typedef void (*ngx_stream_proxy_handler_pt)(ngx_stream_session_t *s); | |
| 14 | |
| 15 | |
| 16 typedef struct { | |
| 17 ngx_msec_t connect_timeout; | |
| 18 ngx_msec_t timeout; | |
| 19 ngx_msec_t next_upstream_timeout; | |
|
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Stream: added proxy_buffer_size to set the size of data buffers.
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20 size_t buffer_size; |
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21 size_t upload_rate; |
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22 size_t download_rate; |
| 6115 | 23 ngx_uint_t next_upstream_tries; |
| 24 ngx_flag_t next_upstream; | |
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25 ngx_flag_t proxy_protocol; |
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26 ngx_addr_t *local; |
| 6115 | 27 |
| 28 #if (NGX_STREAM_SSL) | |
| 29 ngx_flag_t ssl_enable; | |
| 30 ngx_flag_t ssl_session_reuse; | |
| 31 ngx_uint_t ssl_protocols; | |
| 32 ngx_str_t ssl_ciphers; | |
| 33 ngx_str_t ssl_name; | |
| 34 ngx_flag_t ssl_server_name; | |
| 35 | |
| 36 ngx_flag_t ssl_verify; | |
| 37 ngx_uint_t ssl_verify_depth; | |
| 38 ngx_str_t ssl_trusted_certificate; | |
| 39 ngx_str_t ssl_crl; | |
| 40 ngx_str_t ssl_certificate; | |
| 41 ngx_str_t ssl_certificate_key; | |
| 42 ngx_array_t *ssl_passwords; | |
| 43 | |
| 44 ngx_ssl_t *ssl; | |
| 45 #endif | |
| 46 | |
| 47 ngx_stream_upstream_srv_conf_t *upstream; | |
| 48 } ngx_stream_proxy_srv_conf_t; | |
| 49 | |
| 50 | |
| 51 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
| 52 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
| 53 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
| 54 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
| 55 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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56 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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57 ngx_uint_t from_upstream); |
| 6115 | 58 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
| 59 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
| 60 static ngx_int_t ngx_stream_proxy_process(ngx_stream_session_t *s, | |
| 61 ngx_uint_t from_upstream, ngx_uint_t do_write); | |
| 62 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
| 63 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
| 64 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
| 65 size_t len); | |
| 66 | |
| 67 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
| 68 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| 69 void *child); | |
| 70 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 71 void *conf); | |
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72 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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73 void *conf); |
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74 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
| 6115 | 75 |
| 76 #if (NGX_STREAM_SSL) | |
| 77 | |
| 78 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
| 79 ngx_command_t *cmd, void *conf); | |
| 80 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
| 81 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
| 82 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
| 83 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
| 84 ngx_stream_proxy_srv_conf_t *pscf); | |
| 85 | |
| 86 | |
| 87 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
| 88 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 89 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 90 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 91 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 92 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 93 { ngx_null_string, 0 } | |
| 94 }; | |
| 95 | |
| 96 #endif | |
| 97 | |
| 98 | |
| 99 static ngx_command_t ngx_stream_proxy_commands[] = { | |
| 100 | |
| 101 { ngx_string("proxy_pass"), | |
| 102 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 103 ngx_stream_proxy_pass, | |
| 104 NGX_STREAM_SRV_CONF_OFFSET, | |
| 105 0, | |
| 106 NULL }, | |
| 107 | |
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108 { ngx_string("proxy_bind"), |
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109 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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110 ngx_stream_proxy_bind, |
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111 NGX_STREAM_SRV_CONF_OFFSET, |
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112 0, |
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113 NULL }, |
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114 |
| 6115 | 115 { ngx_string("proxy_connect_timeout"), |
| 116 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 117 ngx_conf_set_msec_slot, | |
| 118 NGX_STREAM_SRV_CONF_OFFSET, | |
| 119 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 120 NULL }, | |
| 121 | |
| 122 { ngx_string("proxy_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, timeout), | |
| 127 NULL }, | |
| 128 | |
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129 { ngx_string("proxy_buffer_size"), |
| 6115 | 130 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
| 131 ngx_conf_set_size_slot, | |
| 132 NGX_STREAM_SRV_CONF_OFFSET, | |
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Stream: added proxy_buffer_size to set the size of data buffers.
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133 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
| 6115 | 134 NULL }, |
| 135 | |
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136 { ngx_string("proxy_upload_rate"), |
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137 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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138 ngx_conf_set_size_slot, |
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139 NGX_STREAM_SRV_CONF_OFFSET, |
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140 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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141 NULL }, |
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142 |
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143 { ngx_string("proxy_download_rate"), |
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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, download_rate), |
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148 NULL }, |
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149 |
| 6115 | 150 { ngx_string("proxy_next_upstream"), |
| 151 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 152 ngx_conf_set_flag_slot, | |
| 153 NGX_STREAM_SRV_CONF_OFFSET, | |
| 154 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 155 NULL }, | |
| 156 | |
| 157 { ngx_string("proxy_next_upstream_tries"), | |
| 158 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 159 ngx_conf_set_num_slot, | |
| 160 NGX_STREAM_SRV_CONF_OFFSET, | |
| 161 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 162 NULL }, | |
| 163 | |
| 164 { ngx_string("proxy_next_upstream_timeout"), | |
| 165 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 166 ngx_conf_set_msec_slot, | |
| 167 NGX_STREAM_SRV_CONF_OFFSET, | |
| 168 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 169 NULL }, | |
| 170 | |
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171 { ngx_string("proxy_protocol"), |
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172 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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173 ngx_conf_set_flag_slot, |
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174 NGX_STREAM_SRV_CONF_OFFSET, |
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175 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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176 NULL }, |
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177 |
| 6115 | 178 #if (NGX_STREAM_SSL) |
| 179 | |
| 180 { ngx_string("proxy_ssl"), | |
| 181 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 182 ngx_conf_set_flag_slot, | |
| 183 NGX_STREAM_SRV_CONF_OFFSET, | |
| 184 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 185 NULL }, | |
| 186 | |
| 187 { ngx_string("proxy_ssl_session_reuse"), | |
| 188 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 189 ngx_conf_set_flag_slot, | |
| 190 NGX_STREAM_SRV_CONF_OFFSET, | |
| 191 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 192 NULL }, | |
| 193 | |
| 194 { ngx_string("proxy_ssl_protocols"), | |
| 195 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 196 ngx_conf_set_bitmask_slot, | |
| 197 NGX_STREAM_SRV_CONF_OFFSET, | |
| 198 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 199 &ngx_stream_proxy_ssl_protocols }, | |
| 200 | |
| 201 { ngx_string("proxy_ssl_ciphers"), | |
| 202 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 203 ngx_conf_set_str_slot, | |
| 204 NGX_STREAM_SRV_CONF_OFFSET, | |
| 205 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 206 NULL }, | |
| 207 | |
| 208 { ngx_string("proxy_ssl_name"), | |
| 209 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 210 ngx_conf_set_str_slot, | |
| 211 NGX_STREAM_SRV_CONF_OFFSET, | |
| 212 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 213 NULL }, | |
| 214 | |
| 215 { ngx_string("proxy_ssl_server_name"), | |
| 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_server_name), | |
| 220 NULL }, | |
| 221 | |
| 222 { ngx_string("proxy_ssl_verify"), | |
| 223 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 224 ngx_conf_set_flag_slot, | |
| 225 NGX_STREAM_SRV_CONF_OFFSET, | |
| 226 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 227 NULL }, | |
| 228 | |
| 229 { ngx_string("proxy_ssl_verify_depth"), | |
| 230 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 231 ngx_conf_set_num_slot, | |
| 232 NGX_STREAM_SRV_CONF_OFFSET, | |
| 233 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 234 NULL }, | |
| 235 | |
| 236 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 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_trusted_certificate), | |
| 241 NULL }, | |
| 242 | |
| 243 { ngx_string("proxy_ssl_crl"), | |
| 244 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 245 ngx_conf_set_str_slot, | |
| 246 NGX_STREAM_SRV_CONF_OFFSET, | |
| 247 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 248 NULL }, | |
| 249 | |
| 250 { ngx_string("proxy_ssl_certificate"), | |
| 251 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 252 ngx_conf_set_str_slot, | |
| 253 NGX_STREAM_SRV_CONF_OFFSET, | |
| 254 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 255 NULL }, | |
| 256 | |
| 257 { ngx_string("proxy_ssl_certificate_key"), | |
| 258 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 259 ngx_conf_set_str_slot, | |
| 260 NGX_STREAM_SRV_CONF_OFFSET, | |
| 261 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 262 NULL }, | |
| 263 | |
| 264 { ngx_string("proxy_ssl_password_file"), | |
| 265 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 266 ngx_stream_proxy_ssl_password_file, | |
| 267 NGX_STREAM_SRV_CONF_OFFSET, | |
| 268 0, | |
| 269 NULL }, | |
| 270 | |
| 271 #endif | |
| 272 | |
| 273 ngx_null_command | |
| 274 }; | |
| 275 | |
| 276 | |
| 277 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
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278 NULL, /* postconfiguration */ |
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279 |
| 6115 | 280 NULL, /* create main configuration */ |
| 281 NULL, /* init main configuration */ | |
| 282 | |
| 283 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 284 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 285 }; | |
| 286 | |
| 287 | |
| 288 ngx_module_t ngx_stream_proxy_module = { | |
| 289 NGX_MODULE_V1, | |
| 290 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 291 ngx_stream_proxy_commands, /* module directives */ | |
| 292 NGX_STREAM_MODULE, /* module type */ | |
| 293 NULL, /* init master */ | |
| 294 NULL, /* init module */ | |
| 295 NULL, /* init process */ | |
| 296 NULL, /* init thread */ | |
| 297 NULL, /* exit thread */ | |
| 298 NULL, /* exit process */ | |
| 299 NULL, /* exit master */ | |
| 300 NGX_MODULE_V1_PADDING | |
| 301 }; | |
| 302 | |
| 303 | |
| 304 static void | |
| 305 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 306 { | |
| 307 u_char *p; | |
| 308 ngx_connection_t *c; | |
| 309 ngx_stream_upstream_t *u; | |
| 310 ngx_stream_proxy_srv_conf_t *pscf; | |
| 311 ngx_stream_upstream_srv_conf_t *uscf; | |
| 312 | |
| 313 c = s->connection; | |
| 314 | |
| 315 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 316 | |
| 317 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 318 "proxy connection handler"); | |
| 319 | |
| 320 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 321 if (u == NULL) { | |
| 322 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 323 return; | |
| 324 } | |
| 325 | |
| 326 s->upstream = u; | |
| 327 | |
| 328 s->log_handler = ngx_stream_proxy_log_error; | |
| 329 | |
| 330 u->peer.log = c->log; | |
| 331 u->peer.log_error = NGX_ERROR_ERR; | |
| 332 | |
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333 u->peer.local = pscf->local; |
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|
334 |
| 6115 | 335 uscf = pscf->upstream; |
| 336 | |
| 337 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 338 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 339 return; | |
| 340 } | |
| 341 | |
| 342 u->peer.start_time = ngx_current_msec; | |
| 343 | |
| 344 if (pscf->next_upstream_tries | |
| 345 && u->peer.tries > pscf->next_upstream_tries) | |
| 346 { | |
| 347 u->peer.tries = pscf->next_upstream_tries; | |
| 348 } | |
| 349 | |
|
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|
350 u->proxy_protocol = pscf->proxy_protocol; |
|
6201
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Stream: upstream and downstream limit rates.
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|
351 u->start_sec = ngx_time(); |
|
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352 |
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353 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 354 if (p == NULL) { |
| 355 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 356 return; | |
| 357 } | |
| 358 | |
| 359 u->downstream_buf.start = p; | |
|
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360 u->downstream_buf.end = p + pscf->buffer_size; |
| 6115 | 361 u->downstream_buf.pos = p; |
| 362 u->downstream_buf.last = p; | |
| 363 | |
| 364 c->write->handler = ngx_stream_proxy_downstream_handler; | |
| 365 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 366 | |
|
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367 if (u->proxy_protocol |
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368 #if (NGX_STREAM_SSL) |
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|
369 && pscf->ssl == NULL |
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370 #endif |
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|
371 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER |
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372 ) |
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373 { |
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374 /* optimization for a typical case */ |
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375 |
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376 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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377 "stream proxy send PROXY protocol header"); |
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378 |
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379 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
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380 u->downstream_buf.end); |
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381 if (p == NULL) { |
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382 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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|
383 return; |
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|
384 } |
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385 |
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|
386 u->downstream_buf.last = p; |
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|
387 u->proxy_protocol = 0; |
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|
388 } |
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|
389 |
| 6115 | 390 if (ngx_stream_proxy_process(s, 0, 0) != NGX_OK) { |
| 391 return; | |
| 392 } | |
| 393 | |
| 394 ngx_stream_proxy_connect(s); | |
| 395 } | |
| 396 | |
| 397 | |
| 398 static void | |
| 399 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 400 { | |
| 401 ngx_int_t rc; | |
| 402 ngx_connection_t *c, *pc; | |
| 403 ngx_stream_upstream_t *u; | |
| 404 ngx_stream_proxy_srv_conf_t *pscf; | |
| 405 | |
| 406 c = s->connection; | |
| 407 | |
| 408 c->log->action = "connecting to upstream"; | |
| 409 | |
| 410 u = s->upstream; | |
| 411 | |
| 412 rc = ngx_event_connect_peer(&u->peer); | |
| 413 | |
| 414 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 415 | |
| 416 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 417 | |
| 418 if (rc == NGX_ERROR) { | |
| 419 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 420 return; | |
| 421 } | |
| 422 | |
| 423 if (rc == NGX_BUSY) { | |
| 424 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 425 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 426 return; | |
| 427 } | |
| 428 | |
| 429 if (rc == NGX_DECLINED) { | |
| 430 ngx_stream_proxy_next_upstream(s); | |
| 431 return; | |
| 432 } | |
| 433 | |
| 434 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 435 | |
| 436 pc = u->peer.connection; | |
| 437 | |
| 438 pc->data = s; | |
| 439 pc->log = c->log; | |
| 440 pc->pool = c->pool; | |
| 441 pc->read->log = c->log; | |
| 442 pc->write->log = c->log; | |
| 443 | |
| 444 if (rc != NGX_AGAIN) { | |
| 445 ngx_stream_proxy_init_upstream(s); | |
| 446 return; | |
| 447 } | |
| 448 | |
| 449 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 450 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 451 | |
| 452 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 453 } | |
| 454 | |
| 455 | |
| 456 static void | |
| 457 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 458 { | |
| 459 u_char *p; | |
| 460 ngx_connection_t *c, *pc; | |
| 461 ngx_log_handler_pt handler; | |
| 462 ngx_stream_upstream_t *u; | |
| 463 ngx_stream_proxy_srv_conf_t *pscf; | |
| 464 | |
|
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|
465 u = s->upstream; |
| 6115 | 466 |
|
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|
467 if (u->proxy_protocol) { |
|
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|
468 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
|
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|
469 return; |
|
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|
470 } |
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|
471 |
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|
472 u->proxy_protocol = 0; |
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|
473 } |
|
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|
474 |
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|
475 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 476 |
| 477 pc = u->peer.connection; | |
| 478 | |
| 479 #if (NGX_STREAM_SSL) | |
| 480 if (pscf->ssl && pc->ssl == NULL) { | |
| 481 ngx_stream_proxy_ssl_init_connection(s); | |
| 482 return; | |
| 483 } | |
| 484 #endif | |
| 485 | |
| 486 c = s->connection; | |
| 487 | |
| 488 if (c->log->log_level >= NGX_LOG_INFO) { | |
| 489 ngx_str_t s; | |
| 490 u_char addr[NGX_SOCKADDR_STRLEN]; | |
| 491 | |
| 492 s.len = NGX_SOCKADDR_STRLEN; | |
| 493 s.data = addr; | |
| 494 | |
| 495 if (ngx_connection_local_sockaddr(pc, &s, 1) == NGX_OK) { | |
| 496 handler = c->log->handler; | |
| 497 c->log->handler = NULL; | |
| 498 | |
| 499 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
| 500 &s, u->peer.name); | |
| 501 | |
| 502 c->log->handler = handler; | |
| 503 } | |
| 504 } | |
| 505 | |
| 506 c->log->action = "proxying connection"; | |
| 507 | |
|
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diff
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|
508 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 509 if (p == NULL) { |
| 510 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 511 return; | |
| 512 } | |
| 513 | |
| 514 u->upstream_buf.start = p; | |
|
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diff
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|
515 u->upstream_buf.end = p + pscf->buffer_size; |
| 6115 | 516 u->upstream_buf.pos = p; |
| 517 u->upstream_buf.last = p; | |
| 518 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
519 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
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parents:
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diff
changeset
|
520 |
| 6115 | 521 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 522 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 523 | |
| 524 if (ngx_stream_proxy_process(s, 1, 0) != NGX_OK) { | |
| 525 return; | |
| 526 } | |
| 527 | |
| 528 ngx_stream_proxy_process(s, 0, 1); | |
| 529 } | |
| 530 | |
| 531 | |
|
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|
532 static ngx_int_t |
|
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|
533 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
|
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|
534 { |
|
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|
535 u_char *p; |
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|
536 ssize_t n, size; |
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|
537 ngx_connection_t *c, *pc; |
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|
538 ngx_stream_upstream_t *u; |
|
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|
539 ngx_stream_proxy_srv_conf_t *pscf; |
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|
540 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
|
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|
541 |
|
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|
542 c = s->connection; |
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|
543 |
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|
544 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
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|
545 "stream proxy send PROXY protocol header"); |
|
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|
546 |
|
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|
547 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
|
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548 if (p == NULL) { |
|
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|
549 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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|
550 return NGX_ERROR; |
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|
551 } |
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|
552 |
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|
553 u = s->upstream; |
|
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|
554 |
|
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|
555 pc = u->peer.connection; |
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|
556 |
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|
557 size = p - buf; |
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|
558 |
|
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|
559 n = pc->send(pc, buf, size); |
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|
560 |
|
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|
561 if (n == NGX_AGAIN) { |
|
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|
562 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
|
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|
563 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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|
564 return NGX_ERROR; |
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|
565 } |
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|
566 |
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|
567 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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|
568 |
|
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|
569 ngx_add_timer(pc->write, pscf->timeout); |
|
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|
570 |
|
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571 pc->write->handler = ngx_stream_proxy_connect_handler; |
|
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|
572 |
|
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|
573 return NGX_AGAIN; |
|
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|
574 } |
|
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diff
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|
575 |
|
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|
576 if (n == NGX_ERROR) { |
|
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|
577 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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|
578 return NGX_ERROR; |
|
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diff
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|
579 } |
|
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diff
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|
580 |
|
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diff
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|
581 if (n != size) { |
|
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Stream: client-side PROXY protocol.
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diff
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|
582 |
|
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Stream: client-side PROXY protocol.
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diff
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|
583 /* |
|
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diff
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|
584 * PROXY protocol specification: |
|
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|
585 * The sender must always ensure that the header |
|
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|
586 * is sent at once, so that the transport layer |
|
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|
587 * maintains atomicity along the path to the receiver. |
|
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|
588 */ |
|
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diff
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|
589 |
|
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|
590 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
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591 "could not send PROXY protocol header at once"); |
|
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|
592 |
|
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|
593 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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|
594 |
|
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|
595 return NGX_ERROR; |
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|
596 } |
|
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|
597 |
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|
598 return NGX_OK; |
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Stream: client-side PROXY protocol.
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|
599 } |
|
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|
600 |
|
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|
601 |
| 6115 | 602 #if (NGX_STREAM_SSL) |
| 603 | |
| 604 static char * | |
| 605 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 606 void *conf) | |
| 607 { | |
| 608 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 609 | |
| 610 ngx_str_t *value; | |
| 611 | |
| 612 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 613 return "is duplicate"; | |
| 614 } | |
| 615 | |
| 616 value = cf->args->elts; | |
| 617 | |
| 618 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 619 | |
| 620 if (pscf->ssl_passwords == NULL) { | |
| 621 return NGX_CONF_ERROR; | |
| 622 } | |
| 623 | |
| 624 return NGX_CONF_OK; | |
| 625 } | |
| 626 | |
| 627 | |
| 628 static void | |
| 629 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 630 { | |
| 631 ngx_int_t rc; | |
| 632 ngx_connection_t *pc; | |
| 633 ngx_stream_upstream_t *u; | |
| 634 ngx_stream_proxy_srv_conf_t *pscf; | |
| 635 | |
| 636 u = s->upstream; | |
| 637 | |
| 638 pc = u->peer.connection; | |
| 639 | |
| 640 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 641 | |
| 642 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 643 != NGX_OK) | |
| 644 { | |
| 645 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 646 return; | |
| 647 } | |
| 648 | |
| 649 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 650 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 651 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 652 return; | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 if (pscf->ssl_session_reuse) { | |
| 657 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 658 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 659 return; | |
| 660 } | |
| 661 } | |
| 662 | |
| 663 s->connection->log->action = "SSL handshaking to upstream"; | |
| 664 | |
| 665 rc = ngx_ssl_handshake(pc); | |
| 666 | |
| 667 if (rc == NGX_AGAIN) { | |
| 668 | |
| 669 if (!pc->write->timer_set) { | |
| 670 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 671 } | |
| 672 | |
| 673 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 674 return; | |
| 675 } | |
| 676 | |
| 677 ngx_stream_proxy_ssl_handshake(pc); | |
| 678 } | |
| 679 | |
| 680 | |
| 681 static void | |
| 682 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 683 { | |
| 684 long rc; | |
| 685 ngx_stream_session_t *s; | |
| 686 ngx_stream_upstream_t *u; | |
| 687 ngx_stream_proxy_srv_conf_t *pscf; | |
| 688 | |
| 689 s = pc->data; | |
| 690 | |
| 691 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 692 | |
| 693 if (pc->ssl->handshaked) { | |
| 694 | |
| 695 if (pscf->ssl_verify) { | |
| 696 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 697 | |
| 698 if (rc != X509_V_OK) { | |
| 699 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 700 "upstream SSL certificate verify error: (%l:%s)", | |
| 701 rc, X509_verify_cert_error_string(rc)); | |
| 702 goto failed; | |
| 703 } | |
| 704 | |
| 705 u = s->upstream; | |
| 706 | |
| 707 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 708 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 709 "upstream SSL certificate does not match \"%V\"", | |
| 710 &u->ssl_name); | |
| 711 goto failed; | |
| 712 } | |
| 713 } | |
| 714 | |
| 715 if (pscf->ssl_session_reuse) { | |
| 716 u = s->upstream; | |
| 717 u->peer.save_session(&u->peer, u->peer.data); | |
| 718 } | |
| 719 | |
| 720 ngx_stream_proxy_init_upstream(s); | |
| 721 | |
| 722 return; | |
| 723 } | |
| 724 | |
| 725 failed: | |
| 726 | |
| 727 ngx_stream_proxy_next_upstream(s); | |
| 728 } | |
| 729 | |
| 730 | |
| 731 static ngx_int_t | |
| 732 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 733 { | |
| 734 u_char *p, *last; | |
| 735 ngx_str_t name; | |
| 736 ngx_stream_upstream_t *u; | |
| 737 ngx_stream_proxy_srv_conf_t *pscf; | |
| 738 | |
| 739 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 740 | |
| 741 u = s->upstream; | |
| 742 | |
| 743 name = pscf->ssl_name; | |
| 744 | |
| 745 if (name.len == 0) { | |
| 746 name = pscf->upstream->host; | |
| 747 } | |
| 748 | |
| 749 if (name.len == 0) { | |
| 750 goto done; | |
| 751 } | |
| 752 | |
| 753 /* | |
| 754 * ssl name here may contain port, strip it for compatibility | |
| 755 * with the http module | |
| 756 */ | |
| 757 | |
| 758 p = name.data; | |
| 759 last = name.data + name.len; | |
| 760 | |
| 761 if (*p == '[') { | |
| 762 p = ngx_strlchr(p, last, ']'); | |
| 763 | |
| 764 if (p == NULL) { | |
| 765 p = name.data; | |
| 766 } | |
| 767 } | |
| 768 | |
| 769 p = ngx_strlchr(p, last, ':'); | |
| 770 | |
| 771 if (p != NULL) { | |
| 772 name.len = p - name.data; | |
| 773 } | |
| 774 | |
| 775 if (!pscf->ssl_server_name) { | |
| 776 goto done; | |
| 777 } | |
| 778 | |
| 779 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 780 | |
| 781 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 782 | |
| 783 if (name.len == 0 || *name.data == '[') { | |
| 784 goto done; | |
| 785 } | |
| 786 | |
| 787 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 788 goto done; | |
| 789 } | |
| 790 | |
| 791 /* | |
| 792 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 793 * hence we explicitly null-terminate name here | |
| 794 */ | |
| 795 | |
| 796 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 797 if (p == NULL) { | |
| 798 return NGX_ERROR; | |
| 799 } | |
| 800 | |
| 801 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 802 | |
| 803 name.data = p; | |
| 804 | |
| 805 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 806 "upstream SSL server name: \"%s\"", name.data); | |
| 807 | |
| 808 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 809 == 0) | |
| 810 { | |
| 811 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 812 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 813 return NGX_ERROR; | |
| 814 } | |
| 815 | |
| 816 #endif | |
| 817 | |
| 818 done: | |
| 819 | |
| 820 u->ssl_name = name; | |
| 821 | |
| 822 return NGX_OK; | |
| 823 } | |
| 824 | |
| 825 #endif | |
| 826 | |
| 827 | |
| 828 static void | |
| 829 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 830 { | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
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6184
diff
changeset
|
831 ngx_stream_proxy_process_connection(ev, ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
832 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
833 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
834 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
835 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
836 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
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diff
changeset
|
837 { |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
838 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
839 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
840 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
841 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
842 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
843 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
844 { |
|
6201
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Stream: upstream and downstream limit rates.
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changeset
|
845 ngx_connection_t *c, *pc; |
|
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changeset
|
846 ngx_stream_session_t *s; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
847 ngx_stream_upstream_t *u; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
848 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 849 |
| 850 c = ev->data; | |
| 851 s = c->data; | |
|
6200
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changeset
|
852 u = s->upstream; |
| 6115 | 853 |
| 854 if (ev->timedout) { | |
|
6201
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diff
changeset
|
855 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
856 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
857 |
|
24488e6db782
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diff
changeset
|
858 ev->timedout = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
859 ev->delayed = 0; |
|
24488e6db782
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diff
changeset
|
860 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
861 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
862 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
863 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
864 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
865 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
866 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
867 if (u->connected) { |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
868 pc = u->peer.connection; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
869 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
870 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
871 pscf = ngx_stream_get_module_srv_conf(s, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
872 ngx_stream_proxy_module); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
873 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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6200
diff
changeset
|
874 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
875 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
876 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
877 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
878 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
879 |
|
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Stream: upstream and downstream limit rates.
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diff
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|
880 } else { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
881 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
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Stream: upstream and downstream limit rates.
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diff
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|
882 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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Stream: upstream and downstream limit rates.
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parents:
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diff
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|
883 return; |
|
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Stream: upstream and downstream limit rates.
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parents:
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diff
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|
884 } |
|
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Stream: upstream and downstream limit rates.
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diff
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|
885 |
|
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Stream: upstream and downstream limit rates.
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diff
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|
886 } else if (ev->delayed) { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
887 |
|
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Stream: upstream and downstream limit rates.
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diff
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|
888 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
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Stream: upstream and downstream limit rates.
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|
889 "stream connection delayed"); |
|
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Stream: upstream and downstream limit rates.
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diff
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|
890 |
|
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Stream: upstream and downstream limit rates.
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|
891 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
892 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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Stream: upstream and downstream limit rates.
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diff
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|
893 } |
|
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Stream: upstream and downstream limit rates.
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diff
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|
894 |
| 6115 | 895 return; |
| 896 } | |
| 897 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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diff
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|
898 if (from_upstream && !u->connected) { |
|
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abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
899 return; |
| 6115 | 900 } |
| 901 | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
902 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 903 } |
| 904 | |
| 905 | |
| 906 static void | |
| 907 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 908 { | |
| 909 ngx_connection_t *c; | |
| 910 ngx_stream_session_t *s; | |
| 911 | |
| 912 c = ev->data; | |
| 913 s = c->data; | |
| 914 | |
| 915 if (ev->timedout) { | |
| 916 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 917 ngx_stream_proxy_next_upstream(s); | |
| 918 return; | |
| 919 } | |
| 920 | |
| 921 ngx_del_timer(c->write); | |
| 922 | |
| 923 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 924 "stream proxy connect upstream"); | |
| 925 | |
| 926 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 927 ngx_stream_proxy_next_upstream(s); | |
| 928 return; | |
| 929 } | |
| 930 | |
| 931 ngx_stream_proxy_init_upstream(s); | |
| 932 } | |
| 933 | |
| 934 | |
| 935 static ngx_int_t | |
| 936 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 937 { | |
| 938 int err; | |
| 939 socklen_t len; | |
| 940 | |
| 941 #if (NGX_HAVE_KQUEUE) | |
| 942 | |
| 943 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 944 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 945 | |
| 946 if (err) { | |
| 947 (void) ngx_connection_error(c, err, | |
| 948 "kevent() reported that connect() failed"); | |
| 949 return NGX_ERROR; | |
| 950 } | |
| 951 | |
| 952 } else | |
| 953 #endif | |
| 954 { | |
| 955 err = 0; | |
| 956 len = sizeof(int); | |
| 957 | |
| 958 /* | |
| 959 * BSDs and Linux return 0 and set a pending error in err | |
| 960 * Solaris returns -1 and sets errno | |
| 961 */ | |
| 962 | |
| 963 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 964 == -1) | |
| 965 { | |
| 966 err = ngx_socket_errno; | |
| 967 } | |
| 968 | |
| 969 if (err) { | |
| 970 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 971 return NGX_ERROR; | |
| 972 } | |
| 973 } | |
| 974 | |
| 975 return NGX_OK; | |
| 976 } | |
| 977 | |
| 978 | |
| 979 static ngx_int_t | |
| 980 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, | |
| 981 ngx_uint_t do_write) | |
| 982 { | |
|
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Stream: upstream and downstream limit rates.
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diff
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|
983 off_t *received, limit; |
|
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Stream: upstream and downstream limit rates.
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|
984 size_t size, limit_rate; |
| 6115 | 985 ssize_t n; |
| 986 ngx_buf_t *b; | |
|
6124
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Stream: prevent repeated event notifications after eof.
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diff
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|
987 ngx_uint_t flags; |
|
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Stream: upstream and downstream limit rates.
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diff
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|
988 ngx_msec_t delay; |
| 6115 | 989 ngx_connection_t *c, *pc, *src, *dst; |
| 990 ngx_log_handler_pt handler; | |
| 991 ngx_stream_upstream_t *u; | |
| 992 ngx_stream_proxy_srv_conf_t *pscf; | |
| 993 | |
| 994 u = s->upstream; | |
| 995 | |
| 996 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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diff
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|
997 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 998 |
|
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Stream: upstream and downstream limit rates.
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|
999 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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|
1000 |
| 6115 | 1001 if (from_upstream) { |
| 1002 src = pc; | |
| 1003 dst = c; | |
| 1004 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1005 limit_rate = pscf->download_rate; |
|
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Stream: upstream and downstream limit rates.
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|
1006 received = &u->received; |
| 6115 | 1007 |
| 1008 } else { | |
| 1009 src = c; | |
| 1010 dst = pc; | |
| 1011 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
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diff
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|
1012 limit_rate = pscf->upload_rate; |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1013 received = &s->received; |
| 6115 | 1014 } |
| 1015 | |
| 1016 for ( ;; ) { | |
| 1017 | |
| 1018 if (do_write) { | |
| 1019 | |
| 1020 size = b->last - b->pos; | |
| 1021 | |
| 1022 if (size && dst && dst->write->ready) { | |
| 1023 | |
| 1024 n = dst->send(dst, b->pos, size); | |
| 1025 | |
| 1026 if (n == NGX_ERROR) { | |
| 1027 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1028 return NGX_ERROR; | |
| 1029 } | |
| 1030 | |
| 1031 if (n > 0) { | |
| 1032 b->pos += n; | |
| 1033 | |
| 1034 if (b->pos == b->last) { | |
| 1035 b->pos = b->start; | |
| 1036 b->last = b->start; | |
| 1037 } | |
| 1038 } | |
| 1039 } | |
| 1040 } | |
| 1041 | |
| 1042 size = b->end - b->last; | |
| 1043 | |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1044 if (size && src->read->ready && !src->read->delayed) { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1045 |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1046 if (limit_rate) { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1047 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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|
1048 - *received; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1049 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1050 if (limit <= 0) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1051 src->read->delayed = 1; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1052 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
|
24488e6db782
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diff
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|
1053 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
1054 break; |
|
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Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
1055 } |
|
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Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
1056 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1057 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
parents:
6202
diff
changeset
|
1058 size = (size_t) limit; |
|
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1059 } |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1060 } |
| 6115 | 1061 |
| 1062 n = src->recv(src, b->last, size); | |
| 1063 | |
| 1064 if (n == NGX_AGAIN || n == 0) { | |
| 1065 break; | |
| 1066 } | |
| 1067 | |
| 1068 if (n > 0) { | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1069 if (limit_rate) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1070 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1071 |
|
6201
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Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
1072 if (delay > 0) { |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1073 src->read->delayed = 1; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1074 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
1075 } |
| 6115 | 1076 } |
| 1077 | |
|
6201
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Stream: upstream and downstream limit rates.
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parents:
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diff
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|
1078 *received += n; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1079 b->last += n; |
| 6115 | 1080 do_write = 1; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1081 |
| 6115 | 1082 continue; |
| 1083 } | |
| 1084 | |
| 1085 if (n == NGX_ERROR) { | |
| 1086 src->read->eof = 1; | |
| 1087 } | |
| 1088 } | |
| 1089 | |
| 1090 break; | |
| 1091 } | |
| 1092 | |
| 1093 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1094 handler = c->log->handler; | |
| 1095 c->log->handler = NULL; | |
| 1096 | |
| 1097 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1098 "%s disconnected" | |
| 1099 ", bytes from/to client:%O/%O" | |
| 1100 ", bytes from/to upstream:%O/%O", | |
| 1101 from_upstream ? "upstream" : "client", | |
| 1102 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1103 | |
| 1104 c->log->handler = handler; | |
| 1105 | |
| 1106 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1107 return NGX_DONE; | |
| 1108 } | |
| 1109 | |
|
6124
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Stream: prevent repeated event notifications after eof.
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diff
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|
1110 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
|
f1f222db290b
Stream: prevent repeated event notifications after eof.
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|
1111 |
|
f1f222db290b
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diff
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|
1112 if (ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1113 ngx_stream_proxy_finalize(s, NGX_ERROR); |
| 1114 return NGX_ERROR; | |
| 1115 } | |
| 1116 | |
| 1117 if (dst) { | |
| 1118 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { | |
| 1119 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 1120 return NGX_ERROR; | |
| 1121 } | |
| 1122 | |
|
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diff
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|
1123 if (!c->read->delayed && !pc->read->delayed) { |
|
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diff
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|
1124 ngx_add_timer(c->write, pscf->timeout); |
|
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|
1125 |
|
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|
1126 } else if (c->write->timer_set) { |
|
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|
1127 ngx_del_timer(c->write); |
|
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|
1128 } |
| 6115 | 1129 } |
| 1130 | |
| 1131 return NGX_OK; | |
| 1132 } | |
| 1133 | |
| 1134 | |
| 1135 static void | |
| 1136 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1137 { | |
| 1138 ngx_msec_t timeout; | |
| 1139 ngx_connection_t *pc; | |
| 1140 ngx_stream_upstream_t *u; | |
| 1141 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1142 | |
| 1143 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1144 "stream proxy next upstream"); | |
| 1145 | |
| 1146 u = s->upstream; | |
| 1147 | |
| 1148 if (u->peer.sockaddr) { | |
| 1149 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1150 u->peer.sockaddr = NULL; | |
| 1151 } | |
| 1152 | |
| 1153 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1154 | |
| 1155 timeout = pscf->next_upstream_timeout; | |
| 1156 | |
| 1157 if (u->peer.tries == 0 | |
| 1158 || !pscf->next_upstream | |
| 1159 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1160 { | |
| 1161 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1162 return; | |
| 1163 } | |
| 1164 | |
| 1165 pc = u->peer.connection; | |
| 1166 | |
| 1167 if (pc) { | |
| 1168 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1169 "close proxy upstream connection: %d", pc->fd); | |
| 1170 | |
| 1171 #if (NGX_STREAM_SSL) | |
| 1172 if (pc->ssl) { | |
| 1173 pc->ssl->no_wait_shutdown = 1; | |
| 1174 pc->ssl->no_send_shutdown = 1; | |
| 1175 | |
| 1176 (void) ngx_ssl_shutdown(pc); | |
| 1177 } | |
| 1178 #endif | |
| 1179 | |
| 1180 ngx_close_connection(pc); | |
| 1181 u->peer.connection = NULL; | |
| 1182 } | |
| 1183 | |
| 1184 ngx_stream_proxy_connect(s); | |
| 1185 } | |
| 1186 | |
| 1187 | |
| 1188 static void | |
| 1189 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1190 { | |
| 1191 ngx_connection_t *pc; | |
| 1192 ngx_stream_upstream_t *u; | |
| 1193 | |
| 1194 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1195 "finalize stream proxy: %i", rc); | |
| 1196 | |
| 1197 u = s->upstream; | |
| 1198 | |
| 1199 if (u == NULL) { | |
| 1200 goto noupstream; | |
| 1201 } | |
| 1202 | |
| 1203 if (u->peer.free && u->peer.sockaddr) { | |
| 1204 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1205 u->peer.sockaddr = NULL; | |
| 1206 } | |
| 1207 | |
| 1208 pc = u->peer.connection; | |
| 1209 | |
| 1210 if (pc) { | |
| 1211 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1212 "close stream proxy upstream connection: %d", pc->fd); | |
| 1213 | |
| 1214 #if (NGX_STREAM_SSL) | |
| 1215 if (pc->ssl) { | |
| 1216 pc->ssl->no_wait_shutdown = 1; | |
| 1217 (void) ngx_ssl_shutdown(pc); | |
| 1218 } | |
| 1219 #endif | |
| 1220 | |
| 1221 ngx_close_connection(pc); | |
| 1222 u->peer.connection = NULL; | |
| 1223 } | |
| 1224 | |
| 1225 noupstream: | |
| 1226 | |
| 1227 ngx_stream_close_connection(s->connection); | |
| 1228 } | |
| 1229 | |
| 1230 | |
| 1231 static u_char * | |
| 1232 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1233 { | |
| 1234 u_char *p; | |
| 1235 ngx_connection_t *pc; | |
| 1236 ngx_stream_session_t *s; | |
| 1237 ngx_stream_upstream_t *u; | |
| 1238 | |
| 1239 s = log->data; | |
| 1240 | |
| 1241 u = s->upstream; | |
| 1242 | |
| 1243 p = buf; | |
| 1244 | |
| 1245 if (u->peer.name) { | |
| 1246 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1247 len -= p - buf; | |
| 1248 } | |
| 1249 | |
| 1250 pc = u->peer.connection; | |
| 1251 | |
| 1252 p = ngx_snprintf(p, len, | |
| 1253 ", bytes from/to client:%O/%O" | |
| 1254 ", bytes from/to upstream:%O/%O", | |
| 1255 s->received, s->connection->sent, | |
| 1256 u->received, pc ? pc->sent : 0); | |
| 1257 | |
| 1258 return p; | |
| 1259 } | |
| 1260 | |
| 1261 | |
| 1262 static void * | |
| 1263 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1264 { | |
| 1265 ngx_stream_proxy_srv_conf_t *conf; | |
| 1266 | |
| 1267 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1268 if (conf == NULL) { | |
| 1269 return NULL; | |
| 1270 } | |
| 1271 | |
| 1272 /* | |
| 1273 * set by ngx_pcalloc(): | |
| 1274 * | |
| 1275 * conf->ssl_protocols = 0; | |
| 1276 * conf->ssl_ciphers = { 0, NULL }; | |
| 1277 * conf->ssl_name = { 0, NULL }; | |
| 1278 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1279 * conf->ssl_crl = { 0, NULL }; | |
| 1280 * conf->ssl_certificate = { 0, NULL }; | |
| 1281 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1282 * | |
| 1283 * conf->ssl = NULL; | |
| 1284 * conf->upstream = NULL; | |
| 1285 */ | |
| 1286 | |
| 1287 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1288 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1289 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
|
6215
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Stream: added proxy_buffer_size to set the size of data buffers.
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diff
changeset
|
1290 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
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Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1291 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
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Stream: renamed rate limiting directives.
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diff
changeset
|
1292 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6115 | 1293 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1294 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
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Stream: client-side PROXY protocol.
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diff
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|
1295 conf->proxy_protocol = NGX_CONF_UNSET; |
|
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|
1296 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1297 |
| 1298 #if (NGX_STREAM_SSL) | |
| 1299 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1300 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1301 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1302 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1303 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1304 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1305 #endif | |
| 1306 | |
| 1307 return conf; | |
| 1308 } | |
| 1309 | |
| 1310 | |
| 1311 static char * | |
| 1312 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1313 { | |
| 1314 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1315 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1316 | |
| 1317 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1318 prev->connect_timeout, 60000); | |
| 1319 | |
| 1320 ngx_conf_merge_msec_value(conf->timeout, | |
| 1321 prev->timeout, 10 * 60000); | |
| 1322 | |
| 1323 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1324 prev->next_upstream_timeout, 0); | |
| 1325 | |
|
6215
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diff
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|
1326 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>
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|
1327 prev->buffer_size, 16384); |
| 6115 | 1328 |
|
6208
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Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1329 ngx_conf_merge_size_value(conf->upload_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1330 prev->upload_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
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|
1331 |
|
6208
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diff
changeset
|
1332 ngx_conf_merge_size_value(conf->download_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1333 prev->download_rate, 0); |
|
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1334 |
| 6115 | 1335 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1336 prev->next_upstream_tries, 0); | |
| 1337 | |
| 1338 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1339 | |
|
6184
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
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6183
diff
changeset
|
1340 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
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Roman Arutyunyan <arut@nginx.com>
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|
1341 |
|
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1342 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
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|
1343 |
| 6115 | 1344 #if (NGX_STREAM_SSL) |
| 1345 | |
| 1346 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1347 | |
| 1348 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1349 prev->ssl_session_reuse, 1); | |
| 1350 | |
| 1351 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
|
6157
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Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
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6124
diff
changeset
|
1352 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1353 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1354 |
| 1355 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1356 | |
| 1357 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1358 | |
| 1359 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1360 | |
| 1361 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1362 | |
| 1363 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1364 prev->ssl_verify_depth, 1); | |
| 1365 | |
| 1366 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1367 prev->ssl_trusted_certificate, ""); | |
| 1368 | |
| 1369 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1370 | |
| 1371 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1372 prev->ssl_certificate, ""); | |
| 1373 | |
| 1374 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1375 prev->ssl_certificate_key, ""); | |
| 1376 | |
| 1377 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1378 | |
| 1379 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1380 return NGX_CONF_ERROR; | |
| 1381 } | |
| 1382 | |
| 1383 #endif | |
| 1384 | |
| 1385 return NGX_CONF_OK; | |
| 1386 } | |
| 1387 | |
| 1388 | |
| 1389 #if (NGX_STREAM_SSL) | |
| 1390 | |
| 1391 static ngx_int_t | |
| 1392 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1393 { | |
| 1394 ngx_pool_cleanup_t *cln; | |
| 1395 | |
| 1396 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1397 if (pscf->ssl == NULL) { | |
| 1398 return NGX_ERROR; | |
| 1399 } | |
| 1400 | |
| 1401 pscf->ssl->log = cf->log; | |
| 1402 | |
| 1403 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1404 return NGX_ERROR; | |
| 1405 } | |
| 1406 | |
| 1407 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1408 if (cln == NULL) { | |
| 1409 return NGX_ERROR; | |
| 1410 } | |
| 1411 | |
| 1412 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1413 cln->data = pscf->ssl; | |
| 1414 | |
| 1415 if (pscf->ssl_certificate.len) { | |
| 1416 | |
| 1417 if (pscf->ssl_certificate_key.len == 0) { | |
| 1418 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1419 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1420 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1421 return NGX_ERROR; | |
| 1422 } | |
| 1423 | |
| 1424 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1425 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1426 != NGX_OK) | |
| 1427 { | |
| 1428 return NGX_ERROR; | |
| 1429 } | |
| 1430 } | |
| 1431 | |
| 1432 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
| 1433 (const char *) pscf->ssl_ciphers.data) | |
| 1434 == 0) | |
| 1435 { | |
| 1436 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1437 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 1438 &pscf->ssl_ciphers); | |
| 1439 return NGX_ERROR; | |
| 1440 } | |
| 1441 | |
| 1442 if (pscf->ssl_verify) { | |
| 1443 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1444 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1445 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1446 return NGX_ERROR; | |
| 1447 } | |
| 1448 | |
| 1449 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1450 &pscf->ssl_trusted_certificate, | |
| 1451 pscf->ssl_verify_depth) | |
| 1452 != NGX_OK) | |
| 1453 { | |
| 1454 return NGX_ERROR; | |
| 1455 } | |
| 1456 | |
| 1457 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1458 return NGX_ERROR; | |
| 1459 } | |
| 1460 } | |
| 1461 | |
| 1462 return NGX_OK; | |
| 1463 } | |
| 1464 | |
| 1465 #endif | |
| 1466 | |
| 1467 | |
| 1468 static char * | |
| 1469 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1470 { | |
| 1471 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1472 | |
| 1473 ngx_url_t u; | |
| 1474 ngx_str_t *value, *url; | |
| 1475 ngx_stream_core_srv_conf_t *cscf; | |
| 1476 | |
| 1477 if (pscf->upstream) { | |
| 1478 return "is duplicate"; | |
| 1479 } | |
| 1480 | |
| 1481 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1482 | |
| 1483 cscf->handler = ngx_stream_proxy_handler; | |
| 1484 | |
| 1485 value = cf->args->elts; | |
| 1486 | |
| 1487 url = &value[1]; | |
| 1488 | |
| 1489 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1490 | |
| 1491 u.url = *url; | |
| 1492 u.no_resolve = 1; | |
| 1493 | |
| 1494 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1495 if (pscf->upstream == NULL) { | |
| 1496 return NGX_CONF_ERROR; | |
| 1497 } | |
| 1498 | |
| 1499 return NGX_CONF_OK; | |
| 1500 } | |
|
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|
1501 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1502 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1503 static char * |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1504 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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6174
diff
changeset
|
1505 { |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1506 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1507 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1508 ngx_int_t rc; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1509 ngx_str_t *value; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1510 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1511 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1512 return "is duplicate"; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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6174
diff
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|
1513 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
changeset
|
1514 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
changeset
|
1515 value = cf->args->elts; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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parents:
6174
diff
changeset
|
1516 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1517 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1518 pscf->local = NULL; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1519 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1520 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1521 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1522 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1523 if (pscf->local == NULL) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1524 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1525 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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changeset
|
1526 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
changeset
|
1527 rc = ngx_parse_addr(cf->pool, pscf->local, value[1].data, value[1].len); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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6174
diff
changeset
|
1528 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1529 switch (rc) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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6174
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changeset
|
1530 case NGX_OK: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1531 pscf->local->name = value[1]; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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|
1532 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
changeset
|
1533 |
|
4dcffe43a7ea
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changeset
|
1534 case NGX_DECLINED: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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6174
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|
1535 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1536 "invalid address \"%V\"", &value[1]); |
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4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1537 /* fall through */ |
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4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1538 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1539 default: |
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4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1540 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1541 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1542 } |