Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6201:24488e6db782
Stream: upstream and downstream limit rates.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Tue, 23 Jun 2015 20:17:48 +0300 |
| parents | abee77018d3a |
| children | 6345822f0abb |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 typedef void (*ngx_stream_proxy_handler_pt)(ngx_stream_session_t *s); | |
| 14 | |
| 15 | |
| 16 typedef struct { | |
| 17 ngx_msec_t connect_timeout; | |
| 18 ngx_msec_t timeout; | |
| 19 ngx_msec_t next_upstream_timeout; | |
| 20 size_t downstream_buf_size; | |
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21 size_t downstream_limit_rate; |
| 6115 | 22 size_t upstream_buf_size; |
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23 size_t upstream_limit_rate; |
| 6115 | 24 ngx_uint_t next_upstream_tries; |
| 25 ngx_flag_t next_upstream; | |
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26 ngx_flag_t proxy_protocol; |
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27 ngx_addr_t *local; |
| 6115 | 28 |
| 29 #if (NGX_STREAM_SSL) | |
| 30 ngx_flag_t ssl_enable; | |
| 31 ngx_flag_t ssl_session_reuse; | |
| 32 ngx_uint_t ssl_protocols; | |
| 33 ngx_str_t ssl_ciphers; | |
| 34 ngx_str_t ssl_name; | |
| 35 ngx_flag_t ssl_server_name; | |
| 36 | |
| 37 ngx_flag_t ssl_verify; | |
| 38 ngx_uint_t ssl_verify_depth; | |
| 39 ngx_str_t ssl_trusted_certificate; | |
| 40 ngx_str_t ssl_crl; | |
| 41 ngx_str_t ssl_certificate; | |
| 42 ngx_str_t ssl_certificate_key; | |
| 43 ngx_array_t *ssl_passwords; | |
| 44 | |
| 45 ngx_ssl_t *ssl; | |
| 46 #endif | |
| 47 | |
| 48 ngx_stream_upstream_srv_conf_t *upstream; | |
| 49 } ngx_stream_proxy_srv_conf_t; | |
| 50 | |
| 51 | |
| 52 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
| 53 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
| 54 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
| 55 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
| 56 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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57 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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58 ngx_uint_t from_upstream); |
| 6115 | 59 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
| 60 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
| 61 static ngx_int_t ngx_stream_proxy_process(ngx_stream_session_t *s, | |
| 62 ngx_uint_t from_upstream, ngx_uint_t do_write); | |
| 63 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
| 64 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
| 65 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
| 66 size_t len); | |
| 67 | |
| 68 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
| 69 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| 70 void *child); | |
| 71 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 72 void *conf); | |
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73 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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74 void *conf); |
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75 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
| 6115 | 76 |
| 77 #if (NGX_STREAM_SSL) | |
| 78 | |
| 79 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
| 80 ngx_command_t *cmd, void *conf); | |
| 81 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
| 82 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
| 83 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
| 84 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
| 85 ngx_stream_proxy_srv_conf_t *pscf); | |
| 86 | |
| 87 | |
| 88 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
| 89 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 90 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 91 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 92 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 93 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 94 { ngx_null_string, 0 } | |
| 95 }; | |
| 96 | |
| 97 #endif | |
| 98 | |
| 99 | |
| 100 static ngx_command_t ngx_stream_proxy_commands[] = { | |
| 101 | |
| 102 { ngx_string("proxy_pass"), | |
| 103 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 104 ngx_stream_proxy_pass, | |
| 105 NGX_STREAM_SRV_CONF_OFFSET, | |
| 106 0, | |
| 107 NULL }, | |
| 108 | |
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109 { ngx_string("proxy_bind"), |
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110 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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111 ngx_stream_proxy_bind, |
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112 NGX_STREAM_SRV_CONF_OFFSET, |
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113 0, |
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114 NULL }, |
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115 |
| 6115 | 116 { ngx_string("proxy_connect_timeout"), |
| 117 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 118 ngx_conf_set_msec_slot, | |
| 119 NGX_STREAM_SRV_CONF_OFFSET, | |
| 120 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 121 NULL }, | |
| 122 | |
| 123 { ngx_string("proxy_timeout"), | |
| 124 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 125 ngx_conf_set_msec_slot, | |
| 126 NGX_STREAM_SRV_CONF_OFFSET, | |
| 127 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
| 128 NULL }, | |
| 129 | |
| 130 { ngx_string("proxy_downstream_buffer"), | |
| 131 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 132 ngx_conf_set_size_slot, | |
| 133 NGX_STREAM_SRV_CONF_OFFSET, | |
| 134 offsetof(ngx_stream_proxy_srv_conf_t, downstream_buf_size), | |
| 135 NULL }, | |
| 136 | |
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137 { ngx_string("proxy_downstream_limit_rate"), |
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138 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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139 ngx_conf_set_size_slot, |
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140 NGX_STREAM_SRV_CONF_OFFSET, |
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141 offsetof(ngx_stream_proxy_srv_conf_t, downstream_limit_rate), |
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142 NULL }, |
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143 |
| 6115 | 144 { ngx_string("proxy_upstream_buffer"), |
| 145 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 146 ngx_conf_set_size_slot, | |
| 147 NGX_STREAM_SRV_CONF_OFFSET, | |
| 148 offsetof(ngx_stream_proxy_srv_conf_t, upstream_buf_size), | |
| 149 NULL }, | |
| 150 | |
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151 { ngx_string("proxy_upstream_limit_rate"), |
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152 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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153 ngx_conf_set_size_slot, |
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154 NGX_STREAM_SRV_CONF_OFFSET, |
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155 offsetof(ngx_stream_proxy_srv_conf_t, upstream_limit_rate), |
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156 NULL }, |
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157 |
| 6115 | 158 { ngx_string("proxy_next_upstream"), |
| 159 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 160 ngx_conf_set_flag_slot, | |
| 161 NGX_STREAM_SRV_CONF_OFFSET, | |
| 162 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 163 NULL }, | |
| 164 | |
| 165 { ngx_string("proxy_next_upstream_tries"), | |
| 166 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 167 ngx_conf_set_num_slot, | |
| 168 NGX_STREAM_SRV_CONF_OFFSET, | |
| 169 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 170 NULL }, | |
| 171 | |
| 172 { ngx_string("proxy_next_upstream_timeout"), | |
| 173 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 174 ngx_conf_set_msec_slot, | |
| 175 NGX_STREAM_SRV_CONF_OFFSET, | |
| 176 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 177 NULL }, | |
| 178 | |
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179 { ngx_string("proxy_protocol"), |
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180 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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181 ngx_conf_set_flag_slot, |
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182 NGX_STREAM_SRV_CONF_OFFSET, |
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183 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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184 NULL }, |
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185 |
| 6115 | 186 #if (NGX_STREAM_SSL) |
| 187 | |
| 188 { ngx_string("proxy_ssl"), | |
| 189 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 190 ngx_conf_set_flag_slot, | |
| 191 NGX_STREAM_SRV_CONF_OFFSET, | |
| 192 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 193 NULL }, | |
| 194 | |
| 195 { ngx_string("proxy_ssl_session_reuse"), | |
| 196 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 197 ngx_conf_set_flag_slot, | |
| 198 NGX_STREAM_SRV_CONF_OFFSET, | |
| 199 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 200 NULL }, | |
| 201 | |
| 202 { ngx_string("proxy_ssl_protocols"), | |
| 203 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 204 ngx_conf_set_bitmask_slot, | |
| 205 NGX_STREAM_SRV_CONF_OFFSET, | |
| 206 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 207 &ngx_stream_proxy_ssl_protocols }, | |
| 208 | |
| 209 { ngx_string("proxy_ssl_ciphers"), | |
| 210 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 211 ngx_conf_set_str_slot, | |
| 212 NGX_STREAM_SRV_CONF_OFFSET, | |
| 213 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 214 NULL }, | |
| 215 | |
| 216 { ngx_string("proxy_ssl_name"), | |
| 217 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 218 ngx_conf_set_str_slot, | |
| 219 NGX_STREAM_SRV_CONF_OFFSET, | |
| 220 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 221 NULL }, | |
| 222 | |
| 223 { ngx_string("proxy_ssl_server_name"), | |
| 224 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 225 ngx_conf_set_flag_slot, | |
| 226 NGX_STREAM_SRV_CONF_OFFSET, | |
| 227 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
| 228 NULL }, | |
| 229 | |
| 230 { ngx_string("proxy_ssl_verify"), | |
| 231 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 232 ngx_conf_set_flag_slot, | |
| 233 NGX_STREAM_SRV_CONF_OFFSET, | |
| 234 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 235 NULL }, | |
| 236 | |
| 237 { ngx_string("proxy_ssl_verify_depth"), | |
| 238 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 239 ngx_conf_set_num_slot, | |
| 240 NGX_STREAM_SRV_CONF_OFFSET, | |
| 241 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 242 NULL }, | |
| 243 | |
| 244 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 245 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 246 ngx_conf_set_str_slot, | |
| 247 NGX_STREAM_SRV_CONF_OFFSET, | |
| 248 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
| 249 NULL }, | |
| 250 | |
| 251 { ngx_string("proxy_ssl_crl"), | |
| 252 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 253 ngx_conf_set_str_slot, | |
| 254 NGX_STREAM_SRV_CONF_OFFSET, | |
| 255 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 256 NULL }, | |
| 257 | |
| 258 { ngx_string("proxy_ssl_certificate"), | |
| 259 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 260 ngx_conf_set_str_slot, | |
| 261 NGX_STREAM_SRV_CONF_OFFSET, | |
| 262 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 263 NULL }, | |
| 264 | |
| 265 { ngx_string("proxy_ssl_certificate_key"), | |
| 266 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 267 ngx_conf_set_str_slot, | |
| 268 NGX_STREAM_SRV_CONF_OFFSET, | |
| 269 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 270 NULL }, | |
| 271 | |
| 272 { ngx_string("proxy_ssl_password_file"), | |
| 273 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 274 ngx_stream_proxy_ssl_password_file, | |
| 275 NGX_STREAM_SRV_CONF_OFFSET, | |
| 276 0, | |
| 277 NULL }, | |
| 278 | |
| 279 #endif | |
| 280 | |
| 281 ngx_null_command | |
| 282 }; | |
| 283 | |
| 284 | |
| 285 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
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286 NULL, /* postconfiguration */ |
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287 |
| 6115 | 288 NULL, /* create main configuration */ |
| 289 NULL, /* init main configuration */ | |
| 290 | |
| 291 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 292 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 293 }; | |
| 294 | |
| 295 | |
| 296 ngx_module_t ngx_stream_proxy_module = { | |
| 297 NGX_MODULE_V1, | |
| 298 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 299 ngx_stream_proxy_commands, /* module directives */ | |
| 300 NGX_STREAM_MODULE, /* module type */ | |
| 301 NULL, /* init master */ | |
| 302 NULL, /* init module */ | |
| 303 NULL, /* init process */ | |
| 304 NULL, /* init thread */ | |
| 305 NULL, /* exit thread */ | |
| 306 NULL, /* exit process */ | |
| 307 NULL, /* exit master */ | |
| 308 NGX_MODULE_V1_PADDING | |
| 309 }; | |
| 310 | |
| 311 | |
| 312 static void | |
| 313 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 314 { | |
| 315 u_char *p; | |
| 316 ngx_connection_t *c; | |
| 317 ngx_stream_upstream_t *u; | |
| 318 ngx_stream_proxy_srv_conf_t *pscf; | |
| 319 ngx_stream_upstream_srv_conf_t *uscf; | |
| 320 | |
| 321 c = s->connection; | |
| 322 | |
| 323 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 324 | |
| 325 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 326 "proxy connection handler"); | |
| 327 | |
| 328 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 329 if (u == NULL) { | |
| 330 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 331 return; | |
| 332 } | |
| 333 | |
| 334 s->upstream = u; | |
| 335 | |
| 336 s->log_handler = ngx_stream_proxy_log_error; | |
| 337 | |
| 338 u->peer.log = c->log; | |
| 339 u->peer.log_error = NGX_ERROR_ERR; | |
| 340 | |
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341 u->peer.local = pscf->local; |
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|
342 |
| 6115 | 343 uscf = pscf->upstream; |
| 344 | |
| 345 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 346 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 347 return; | |
| 348 } | |
| 349 | |
| 350 u->peer.start_time = ngx_current_msec; | |
| 351 | |
| 352 if (pscf->next_upstream_tries | |
| 353 && u->peer.tries > pscf->next_upstream_tries) | |
| 354 { | |
| 355 u->peer.tries = pscf->next_upstream_tries; | |
| 356 } | |
| 357 | |
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358 u->proxy_protocol = pscf->proxy_protocol; |
|
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|
359 u->start_sec = ngx_time(); |
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360 |
| 6115 | 361 p = ngx_pnalloc(c->pool, pscf->downstream_buf_size); |
| 362 if (p == NULL) { | |
| 363 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 364 return; | |
| 365 } | |
| 366 | |
| 367 u->downstream_buf.start = p; | |
| 368 u->downstream_buf.end = p + pscf->downstream_buf_size; | |
| 369 u->downstream_buf.pos = p; | |
| 370 u->downstream_buf.last = p; | |
| 371 | |
| 372 c->write->handler = ngx_stream_proxy_downstream_handler; | |
| 373 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 374 | |
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375 if (u->proxy_protocol |
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376 #if (NGX_STREAM_SSL) |
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377 && pscf->ssl == NULL |
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378 #endif |
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379 && pscf->downstream_buf_size >= NGX_PROXY_PROTOCOL_MAX_HEADER |
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380 ) |
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381 { |
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382 /* optimization for a typical case */ |
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383 |
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384 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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385 "stream proxy send PROXY protocol header"); |
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386 |
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387 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
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388 u->downstream_buf.end); |
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389 if (p == NULL) { |
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390 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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391 return; |
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392 } |
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393 |
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394 u->downstream_buf.last = p; |
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395 u->proxy_protocol = 0; |
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|
396 } |
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|
397 |
| 6115 | 398 if (ngx_stream_proxy_process(s, 0, 0) != NGX_OK) { |
| 399 return; | |
| 400 } | |
| 401 | |
| 402 ngx_stream_proxy_connect(s); | |
| 403 } | |
| 404 | |
| 405 | |
| 406 static void | |
| 407 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 408 { | |
| 409 ngx_int_t rc; | |
| 410 ngx_connection_t *c, *pc; | |
| 411 ngx_stream_upstream_t *u; | |
| 412 ngx_stream_proxy_srv_conf_t *pscf; | |
| 413 | |
| 414 c = s->connection; | |
| 415 | |
| 416 c->log->action = "connecting to upstream"; | |
| 417 | |
| 418 u = s->upstream; | |
| 419 | |
| 420 rc = ngx_event_connect_peer(&u->peer); | |
| 421 | |
| 422 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 423 | |
| 424 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 425 | |
| 426 if (rc == NGX_ERROR) { | |
| 427 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 428 return; | |
| 429 } | |
| 430 | |
| 431 if (rc == NGX_BUSY) { | |
| 432 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 433 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 434 return; | |
| 435 } | |
| 436 | |
| 437 if (rc == NGX_DECLINED) { | |
| 438 ngx_stream_proxy_next_upstream(s); | |
| 439 return; | |
| 440 } | |
| 441 | |
| 442 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 443 | |
| 444 pc = u->peer.connection; | |
| 445 | |
| 446 pc->data = s; | |
| 447 pc->log = c->log; | |
| 448 pc->pool = c->pool; | |
| 449 pc->read->log = c->log; | |
| 450 pc->write->log = c->log; | |
| 451 | |
| 452 if (rc != NGX_AGAIN) { | |
| 453 ngx_stream_proxy_init_upstream(s); | |
| 454 return; | |
| 455 } | |
| 456 | |
| 457 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 458 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 459 | |
| 460 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 461 } | |
| 462 | |
| 463 | |
| 464 static void | |
| 465 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 466 { | |
| 467 u_char *p; | |
| 468 ngx_connection_t *c, *pc; | |
| 469 ngx_log_handler_pt handler; | |
| 470 ngx_stream_upstream_t *u; | |
| 471 ngx_stream_proxy_srv_conf_t *pscf; | |
| 472 | |
|
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473 u = s->upstream; |
| 6115 | 474 |
|
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475 if (u->proxy_protocol) { |
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476 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
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|
477 return; |
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|
478 } |
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479 |
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480 u->proxy_protocol = 0; |
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481 } |
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482 |
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|
483 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 484 |
| 485 pc = u->peer.connection; | |
| 486 | |
| 487 #if (NGX_STREAM_SSL) | |
| 488 if (pscf->ssl && pc->ssl == NULL) { | |
| 489 ngx_stream_proxy_ssl_init_connection(s); | |
| 490 return; | |
| 491 } | |
| 492 #endif | |
| 493 | |
| 494 c = s->connection; | |
| 495 | |
| 496 if (c->log->log_level >= NGX_LOG_INFO) { | |
| 497 ngx_str_t s; | |
| 498 u_char addr[NGX_SOCKADDR_STRLEN]; | |
| 499 | |
| 500 s.len = NGX_SOCKADDR_STRLEN; | |
| 501 s.data = addr; | |
| 502 | |
| 503 if (ngx_connection_local_sockaddr(pc, &s, 1) == NGX_OK) { | |
| 504 handler = c->log->handler; | |
| 505 c->log->handler = NULL; | |
| 506 | |
| 507 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
| 508 &s, u->peer.name); | |
| 509 | |
| 510 c->log->handler = handler; | |
| 511 } | |
| 512 } | |
| 513 | |
| 514 c->log->action = "proxying connection"; | |
| 515 | |
| 516 p = ngx_pnalloc(c->pool, pscf->upstream_buf_size); | |
| 517 if (p == NULL) { | |
| 518 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 u->upstream_buf.start = p; | |
| 523 u->upstream_buf.end = p + pscf->upstream_buf_size; | |
| 524 u->upstream_buf.pos = p; | |
| 525 u->upstream_buf.last = p; | |
| 526 | |
| 527 pc->read->handler = ngx_stream_proxy_upstream_handler; | |
| 528 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 529 | |
| 530 if (ngx_stream_proxy_process(s, 1, 0) != NGX_OK) { | |
| 531 return; | |
| 532 } | |
| 533 | |
| 534 ngx_stream_proxy_process(s, 0, 1); | |
| 535 } | |
| 536 | |
| 537 | |
|
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|
538 static ngx_int_t |
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|
539 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
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|
540 { |
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|
541 u_char *p; |
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|
542 ssize_t n, size; |
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|
543 ngx_connection_t *c, *pc; |
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544 ngx_stream_upstream_t *u; |
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545 ngx_stream_proxy_srv_conf_t *pscf; |
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546 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
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547 |
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548 c = s->connection; |
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549 |
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550 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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551 "stream proxy send PROXY protocol header"); |
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552 |
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553 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
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554 if (p == NULL) { |
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|
555 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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|
556 return NGX_ERROR; |
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|
557 } |
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558 |
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559 u = s->upstream; |
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|
560 |
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561 pc = u->peer.connection; |
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562 |
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563 size = p - buf; |
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|
564 |
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565 n = pc->send(pc, buf, size); |
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|
566 |
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567 if (n == NGX_AGAIN) { |
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568 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
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569 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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570 return NGX_ERROR; |
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571 } |
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572 |
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573 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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574 |
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575 ngx_add_timer(pc->write, pscf->timeout); |
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576 |
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577 pc->write->handler = ngx_stream_proxy_connect_handler; |
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578 |
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579 return NGX_AGAIN; |
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580 } |
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581 |
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582 if (n == NGX_ERROR) { |
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583 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
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|
584 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
585 } |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
586 |
|
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Stream: client-side PROXY protocol.
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diff
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|
587 if (n != size) { |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
588 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
589 /* |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
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diff
changeset
|
590 * PROXY protocol specification: |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
591 * The sender must always ensure that the header |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
592 * is sent at once, so that the transport layer |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
593 * maintains atomicity along the path to the receiver. |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
594 */ |
|
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diff
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|
595 |
|
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diff
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|
596 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
597 "could not send PROXY protocol header at once"); |
|
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Stream: client-side PROXY protocol.
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diff
changeset
|
598 |
|
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diff
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|
599 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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diff
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|
600 |
|
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|
601 return NGX_ERROR; |
|
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Stream: client-side PROXY protocol.
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diff
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|
602 } |
|
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Stream: client-side PROXY protocol.
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parents:
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diff
changeset
|
603 |
|
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Stream: client-side PROXY protocol.
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diff
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|
604 return NGX_OK; |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
changeset
|
605 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
606 |
|
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diff
changeset
|
607 |
| 6115 | 608 #if (NGX_STREAM_SSL) |
| 609 | |
| 610 static char * | |
| 611 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 612 void *conf) | |
| 613 { | |
| 614 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 615 | |
| 616 ngx_str_t *value; | |
| 617 | |
| 618 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 619 return "is duplicate"; | |
| 620 } | |
| 621 | |
| 622 value = cf->args->elts; | |
| 623 | |
| 624 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 625 | |
| 626 if (pscf->ssl_passwords == NULL) { | |
| 627 return NGX_CONF_ERROR; | |
| 628 } | |
| 629 | |
| 630 return NGX_CONF_OK; | |
| 631 } | |
| 632 | |
| 633 | |
| 634 static void | |
| 635 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 636 { | |
| 637 ngx_int_t rc; | |
| 638 ngx_connection_t *pc; | |
| 639 ngx_stream_upstream_t *u; | |
| 640 ngx_stream_proxy_srv_conf_t *pscf; | |
| 641 | |
| 642 u = s->upstream; | |
| 643 | |
| 644 pc = u->peer.connection; | |
| 645 | |
| 646 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 647 | |
| 648 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 649 != NGX_OK) | |
| 650 { | |
| 651 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 652 return; | |
| 653 } | |
| 654 | |
| 655 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 656 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 657 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 658 return; | |
| 659 } | |
| 660 } | |
| 661 | |
| 662 if (pscf->ssl_session_reuse) { | |
| 663 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 664 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 665 return; | |
| 666 } | |
| 667 } | |
| 668 | |
| 669 s->connection->log->action = "SSL handshaking to upstream"; | |
| 670 | |
| 671 rc = ngx_ssl_handshake(pc); | |
| 672 | |
| 673 if (rc == NGX_AGAIN) { | |
| 674 | |
| 675 if (!pc->write->timer_set) { | |
| 676 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 677 } | |
| 678 | |
| 679 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 680 return; | |
| 681 } | |
| 682 | |
| 683 ngx_stream_proxy_ssl_handshake(pc); | |
| 684 } | |
| 685 | |
| 686 | |
| 687 static void | |
| 688 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 689 { | |
| 690 long rc; | |
| 691 ngx_stream_session_t *s; | |
| 692 ngx_stream_upstream_t *u; | |
| 693 ngx_stream_proxy_srv_conf_t *pscf; | |
| 694 | |
| 695 s = pc->data; | |
| 696 | |
| 697 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 698 | |
| 699 if (pc->ssl->handshaked) { | |
| 700 | |
| 701 if (pscf->ssl_verify) { | |
| 702 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 703 | |
| 704 if (rc != X509_V_OK) { | |
| 705 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 706 "upstream SSL certificate verify error: (%l:%s)", | |
| 707 rc, X509_verify_cert_error_string(rc)); | |
| 708 goto failed; | |
| 709 } | |
| 710 | |
| 711 u = s->upstream; | |
| 712 | |
| 713 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 714 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 715 "upstream SSL certificate does not match \"%V\"", | |
| 716 &u->ssl_name); | |
| 717 goto failed; | |
| 718 } | |
| 719 } | |
| 720 | |
| 721 if (pscf->ssl_session_reuse) { | |
| 722 u = s->upstream; | |
| 723 u->peer.save_session(&u->peer, u->peer.data); | |
| 724 } | |
| 725 | |
| 726 ngx_stream_proxy_init_upstream(s); | |
| 727 | |
| 728 return; | |
| 729 } | |
| 730 | |
| 731 failed: | |
| 732 | |
| 733 ngx_stream_proxy_next_upstream(s); | |
| 734 } | |
| 735 | |
| 736 | |
| 737 static ngx_int_t | |
| 738 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 739 { | |
| 740 u_char *p, *last; | |
| 741 ngx_str_t name; | |
| 742 ngx_stream_upstream_t *u; | |
| 743 ngx_stream_proxy_srv_conf_t *pscf; | |
| 744 | |
| 745 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 746 | |
| 747 u = s->upstream; | |
| 748 | |
| 749 name = pscf->ssl_name; | |
| 750 | |
| 751 if (name.len == 0) { | |
| 752 name = pscf->upstream->host; | |
| 753 } | |
| 754 | |
| 755 if (name.len == 0) { | |
| 756 goto done; | |
| 757 } | |
| 758 | |
| 759 /* | |
| 760 * ssl name here may contain port, strip it for compatibility | |
| 761 * with the http module | |
| 762 */ | |
| 763 | |
| 764 p = name.data; | |
| 765 last = name.data + name.len; | |
| 766 | |
| 767 if (*p == '[') { | |
| 768 p = ngx_strlchr(p, last, ']'); | |
| 769 | |
| 770 if (p == NULL) { | |
| 771 p = name.data; | |
| 772 } | |
| 773 } | |
| 774 | |
| 775 p = ngx_strlchr(p, last, ':'); | |
| 776 | |
| 777 if (p != NULL) { | |
| 778 name.len = p - name.data; | |
| 779 } | |
| 780 | |
| 781 if (!pscf->ssl_server_name) { | |
| 782 goto done; | |
| 783 } | |
| 784 | |
| 785 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 786 | |
| 787 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 788 | |
| 789 if (name.len == 0 || *name.data == '[') { | |
| 790 goto done; | |
| 791 } | |
| 792 | |
| 793 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 794 goto done; | |
| 795 } | |
| 796 | |
| 797 /* | |
| 798 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 799 * hence we explicitly null-terminate name here | |
| 800 */ | |
| 801 | |
| 802 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 803 if (p == NULL) { | |
| 804 return NGX_ERROR; | |
| 805 } | |
| 806 | |
| 807 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 808 | |
| 809 name.data = p; | |
| 810 | |
| 811 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 812 "upstream SSL server name: \"%s\"", name.data); | |
| 813 | |
| 814 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 815 == 0) | |
| 816 { | |
| 817 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 818 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 819 return NGX_ERROR; | |
| 820 } | |
| 821 | |
| 822 #endif | |
| 823 | |
| 824 done: | |
| 825 | |
| 826 u->ssl_name = name; | |
| 827 | |
| 828 return NGX_OK; | |
| 829 } | |
| 830 | |
| 831 #endif | |
| 832 | |
| 833 | |
| 834 static void | |
| 835 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 836 { | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
837 ngx_stream_proxy_process_connection(ev, ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
838 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
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 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
842 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
843 { |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
844 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
845 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
846 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
847 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
848 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
849 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
850 { |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
851 ngx_connection_t *c, *pc; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
852 ngx_stream_session_t *s; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
853 ngx_stream_upstream_t *u; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
854 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 855 |
| 856 c = ev->data; | |
| 857 s = c->data; | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
858 u = s->upstream; |
| 6115 | 859 |
| 860 if (ev->timedout) { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
861 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
862 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
863 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
864 ev->timedout = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
865 ev->delayed = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
866 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
867 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
868 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
869 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
870 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
871 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
872 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
873 if (u->upstream_buf.start) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
874 pc = u->peer.connection; |
|
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 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
877 pscf = ngx_stream_get_module_srv_conf(s, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
878 ngx_stream_proxy_module); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
879 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
880 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
881 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
882 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
883 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
884 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
885 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
886 } else { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
887 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
888 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
889 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
890 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
891 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
892 } else if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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|
893 |
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894 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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895 "stream connection delayed"); |
|
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|
896 |
|
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897 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
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898 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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899 } |
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|
900 |
| 6115 | 901 return; |
| 902 } | |
| 903 | |
|
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904 if (from_upstream && u->upstream_buf.start == NULL) { |
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905 return; |
| 6115 | 906 } |
| 907 | |
|
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|
908 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 909 } |
| 910 | |
| 911 | |
| 912 static void | |
| 913 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 914 { | |
| 915 ngx_connection_t *c; | |
| 916 ngx_stream_session_t *s; | |
| 917 | |
| 918 c = ev->data; | |
| 919 s = c->data; | |
| 920 | |
| 921 if (ev->timedout) { | |
| 922 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 923 ngx_stream_proxy_next_upstream(s); | |
| 924 return; | |
| 925 } | |
| 926 | |
| 927 ngx_del_timer(c->write); | |
| 928 | |
| 929 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 930 "stream proxy connect upstream"); | |
| 931 | |
| 932 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 933 ngx_stream_proxy_next_upstream(s); | |
| 934 return; | |
| 935 } | |
| 936 | |
| 937 ngx_stream_proxy_init_upstream(s); | |
| 938 } | |
| 939 | |
| 940 | |
| 941 static ngx_int_t | |
| 942 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 943 { | |
| 944 int err; | |
| 945 socklen_t len; | |
| 946 | |
| 947 #if (NGX_HAVE_KQUEUE) | |
| 948 | |
| 949 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 950 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 951 | |
| 952 if (err) { | |
| 953 (void) ngx_connection_error(c, err, | |
| 954 "kevent() reported that connect() failed"); | |
| 955 return NGX_ERROR; | |
| 956 } | |
| 957 | |
| 958 } else | |
| 959 #endif | |
| 960 { | |
| 961 err = 0; | |
| 962 len = sizeof(int); | |
| 963 | |
| 964 /* | |
| 965 * BSDs and Linux return 0 and set a pending error in err | |
| 966 * Solaris returns -1 and sets errno | |
| 967 */ | |
| 968 | |
| 969 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 970 == -1) | |
| 971 { | |
| 972 err = ngx_socket_errno; | |
| 973 } | |
| 974 | |
| 975 if (err) { | |
| 976 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 977 return NGX_ERROR; | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 return NGX_OK; | |
| 982 } | |
| 983 | |
| 984 | |
| 985 static ngx_int_t | |
| 986 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, | |
| 987 ngx_uint_t do_write) | |
| 988 { | |
|
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|
989 off_t *received, limit; |
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990 size_t size, limit_rate; |
| 6115 | 991 ssize_t n; |
| 992 ngx_buf_t *b; | |
|
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993 ngx_uint_t flags; |
|
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|
994 ngx_msec_t delay; |
| 6115 | 995 ngx_connection_t *c, *pc, *src, *dst; |
| 996 ngx_log_handler_pt handler; | |
| 997 ngx_stream_upstream_t *u; | |
| 998 ngx_stream_proxy_srv_conf_t *pscf; | |
| 999 | |
| 1000 u = s->upstream; | |
| 1001 | |
| 1002 c = s->connection; | |
| 1003 pc = u->upstream_buf.start ? u->peer.connection : NULL; | |
| 1004 | |
|
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|
1005 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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1006 |
| 6115 | 1007 if (from_upstream) { |
| 1008 src = pc; | |
| 1009 dst = c; | |
| 1010 b = &u->upstream_buf; | |
|
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1011 limit_rate = pscf->upstream_limit_rate; |
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1012 received = &u->received; |
| 6115 | 1013 |
| 1014 } else { | |
| 1015 src = c; | |
| 1016 dst = pc; | |
| 1017 b = &u->downstream_buf; | |
|
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1018 limit_rate = pscf->downstream_limit_rate; |
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|
1019 received = &s->received; |
| 6115 | 1020 } |
| 1021 | |
| 1022 for ( ;; ) { | |
| 1023 | |
| 1024 if (do_write) { | |
| 1025 | |
| 1026 size = b->last - b->pos; | |
| 1027 | |
| 1028 if (size && dst && dst->write->ready) { | |
| 1029 | |
| 1030 n = dst->send(dst, b->pos, size); | |
| 1031 | |
| 1032 if (n == NGX_ERROR) { | |
| 1033 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1034 return NGX_ERROR; | |
| 1035 } | |
| 1036 | |
| 1037 if (n > 0) { | |
| 1038 b->pos += n; | |
| 1039 | |
| 1040 if (b->pos == b->last) { | |
| 1041 b->pos = b->start; | |
| 1042 b->last = b->start; | |
| 1043 } | |
| 1044 } | |
| 1045 } | |
| 1046 } | |
| 1047 | |
| 1048 size = b->end - b->last; | |
| 1049 | |
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1050 if (size && src->read->ready && !src->read->delayed) { |
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1051 |
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|
1052 if (limit_rate) { |
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|
1053 limit = (off_t) limit_rate * (ngx_time() - u->start_sec + 1) |
|
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1054 - *received; |
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|
1055 |
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|
1056 if (limit <= 0) { |
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1057 src->read->delayed = 1; |
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|
1058 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
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1059 ngx_add_timer(src->read, delay); |
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|
1060 break; |
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|
1061 } |
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|
1062 |
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|
1063 if (size > (size_t) limit) { |
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|
1064 size = limit; |
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|
1065 } |
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|
1066 } |
| 6115 | 1067 |
| 1068 n = src->recv(src, b->last, size); | |
| 1069 | |
| 1070 if (n == NGX_AGAIN || n == 0) { | |
| 1071 break; | |
| 1072 } | |
| 1073 | |
| 1074 if (n > 0) { | |
|
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|
1075 if (limit_rate) { |
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|
1076 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1077 |
|
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1078 if (delay > 0) { |
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1079 src->read->delayed = 1; |
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1080 ngx_add_timer(src->read, delay); |
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1081 } |
| 6115 | 1082 } |
| 1083 | |
|
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|
1084 *received += n; |
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|
1085 b->last += n; |
| 6115 | 1086 do_write = 1; |
|
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|
1087 |
| 6115 | 1088 continue; |
| 1089 } | |
| 1090 | |
| 1091 if (n == NGX_ERROR) { | |
| 1092 src->read->eof = 1; | |
| 1093 } | |
| 1094 } | |
| 1095 | |
| 1096 break; | |
| 1097 } | |
| 1098 | |
| 1099 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1100 handler = c->log->handler; | |
| 1101 c->log->handler = NULL; | |
| 1102 | |
| 1103 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1104 "%s disconnected" | |
| 1105 ", bytes from/to client:%O/%O" | |
| 1106 ", bytes from/to upstream:%O/%O", | |
| 1107 from_upstream ? "upstream" : "client", | |
| 1108 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1109 | |
| 1110 c->log->handler = handler; | |
| 1111 | |
| 1112 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1113 return NGX_DONE; | |
| 1114 } | |
| 1115 | |
|
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1116 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
|
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1117 |
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1118 if (ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1119 ngx_stream_proxy_finalize(s, NGX_ERROR); |
| 1120 return NGX_ERROR; | |
| 1121 } | |
| 1122 | |
| 1123 if (dst) { | |
| 1124 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { | |
| 1125 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 1126 return NGX_ERROR; | |
| 1127 } | |
| 1128 | |
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|
1129 if (!c->read->delayed && !pc->read->delayed) { |
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|
1130 ngx_add_timer(c->write, pscf->timeout); |
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1131 |
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1132 } else if (c->write->timer_set) { |
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1133 ngx_del_timer(c->write); |
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|
1134 } |
| 6115 | 1135 } |
| 1136 | |
| 1137 return NGX_OK; | |
| 1138 } | |
| 1139 | |
| 1140 | |
| 1141 static void | |
| 1142 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1143 { | |
| 1144 ngx_msec_t timeout; | |
| 1145 ngx_connection_t *pc; | |
| 1146 ngx_stream_upstream_t *u; | |
| 1147 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1148 | |
| 1149 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1150 "stream proxy next upstream"); | |
| 1151 | |
| 1152 u = s->upstream; | |
| 1153 | |
| 1154 if (u->peer.sockaddr) { | |
| 1155 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1156 u->peer.sockaddr = NULL; | |
| 1157 } | |
| 1158 | |
| 1159 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1160 | |
| 1161 timeout = pscf->next_upstream_timeout; | |
| 1162 | |
| 1163 if (u->peer.tries == 0 | |
| 1164 || !pscf->next_upstream | |
| 1165 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1166 { | |
| 1167 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1168 return; | |
| 1169 } | |
| 1170 | |
| 1171 pc = u->peer.connection; | |
| 1172 | |
| 1173 if (pc) { | |
| 1174 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1175 "close proxy upstream connection: %d", pc->fd); | |
| 1176 | |
| 1177 #if (NGX_STREAM_SSL) | |
| 1178 if (pc->ssl) { | |
| 1179 pc->ssl->no_wait_shutdown = 1; | |
| 1180 pc->ssl->no_send_shutdown = 1; | |
| 1181 | |
| 1182 (void) ngx_ssl_shutdown(pc); | |
| 1183 } | |
| 1184 #endif | |
| 1185 | |
| 1186 ngx_close_connection(pc); | |
| 1187 u->peer.connection = NULL; | |
| 1188 } | |
| 1189 | |
| 1190 ngx_stream_proxy_connect(s); | |
| 1191 } | |
| 1192 | |
| 1193 | |
| 1194 static void | |
| 1195 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1196 { | |
| 1197 ngx_connection_t *pc; | |
| 1198 ngx_stream_upstream_t *u; | |
| 1199 | |
| 1200 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1201 "finalize stream proxy: %i", rc); | |
| 1202 | |
| 1203 u = s->upstream; | |
| 1204 | |
| 1205 if (u == NULL) { | |
| 1206 goto noupstream; | |
| 1207 } | |
| 1208 | |
| 1209 if (u->peer.free && u->peer.sockaddr) { | |
| 1210 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1211 u->peer.sockaddr = NULL; | |
| 1212 } | |
| 1213 | |
| 1214 pc = u->peer.connection; | |
| 1215 | |
| 1216 if (pc) { | |
| 1217 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1218 "close stream proxy upstream connection: %d", pc->fd); | |
| 1219 | |
| 1220 #if (NGX_STREAM_SSL) | |
| 1221 if (pc->ssl) { | |
| 1222 pc->ssl->no_wait_shutdown = 1; | |
| 1223 (void) ngx_ssl_shutdown(pc); | |
| 1224 } | |
| 1225 #endif | |
| 1226 | |
| 1227 ngx_close_connection(pc); | |
| 1228 u->peer.connection = NULL; | |
| 1229 } | |
| 1230 | |
| 1231 noupstream: | |
| 1232 | |
| 1233 ngx_stream_close_connection(s->connection); | |
| 1234 } | |
| 1235 | |
| 1236 | |
| 1237 static u_char * | |
| 1238 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1239 { | |
| 1240 u_char *p; | |
| 1241 ngx_connection_t *pc; | |
| 1242 ngx_stream_session_t *s; | |
| 1243 ngx_stream_upstream_t *u; | |
| 1244 | |
| 1245 s = log->data; | |
| 1246 | |
| 1247 u = s->upstream; | |
| 1248 | |
| 1249 p = buf; | |
| 1250 | |
| 1251 if (u->peer.name) { | |
| 1252 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1253 len -= p - buf; | |
| 1254 } | |
| 1255 | |
| 1256 pc = u->peer.connection; | |
| 1257 | |
| 1258 p = ngx_snprintf(p, len, | |
| 1259 ", bytes from/to client:%O/%O" | |
| 1260 ", bytes from/to upstream:%O/%O", | |
| 1261 s->received, s->connection->sent, | |
| 1262 u->received, pc ? pc->sent : 0); | |
| 1263 | |
| 1264 return p; | |
| 1265 } | |
| 1266 | |
| 1267 | |
| 1268 static void * | |
| 1269 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1270 { | |
| 1271 ngx_stream_proxy_srv_conf_t *conf; | |
| 1272 | |
| 1273 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1274 if (conf == NULL) { | |
| 1275 return NULL; | |
| 1276 } | |
| 1277 | |
| 1278 /* | |
| 1279 * set by ngx_pcalloc(): | |
| 1280 * | |
| 1281 * conf->ssl_protocols = 0; | |
| 1282 * conf->ssl_ciphers = { 0, NULL }; | |
| 1283 * conf->ssl_name = { 0, NULL }; | |
| 1284 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1285 * conf->ssl_crl = { 0, NULL }; | |
| 1286 * conf->ssl_certificate = { 0, NULL }; | |
| 1287 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1288 * | |
| 1289 * conf->ssl = NULL; | |
| 1290 * conf->upstream = NULL; | |
| 1291 */ | |
| 1292 | |
| 1293 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1294 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1295 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
| 1296 conf->downstream_buf_size = NGX_CONF_UNSET_SIZE; | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1297 conf->downstream_limit_rate = NGX_CONF_UNSET_SIZE; |
| 6115 | 1298 conf->upstream_buf_size = NGX_CONF_UNSET_SIZE; |
|
6201
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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changeset
|
1299 conf->upstream_limit_rate = NGX_CONF_UNSET_SIZE; |
| 6115 | 1300 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1301 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1302 conf->proxy_protocol = NGX_CONF_UNSET; |
|
6183
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|
1303 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1304 |
| 1305 #if (NGX_STREAM_SSL) | |
| 1306 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1307 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1308 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1309 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1310 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1311 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1312 #endif | |
| 1313 | |
| 1314 return conf; | |
| 1315 } | |
| 1316 | |
| 1317 | |
| 1318 static char * | |
| 1319 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1320 { | |
| 1321 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1322 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1323 | |
| 1324 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1325 prev->connect_timeout, 60000); | |
| 1326 | |
| 1327 ngx_conf_merge_msec_value(conf->timeout, | |
| 1328 prev->timeout, 10 * 60000); | |
| 1329 | |
| 1330 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1331 prev->next_upstream_timeout, 0); | |
| 1332 | |
| 1333 ngx_conf_merge_size_value(conf->downstream_buf_size, | |
| 1334 prev->downstream_buf_size, 16384); | |
| 1335 | |
|
6201
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1336 ngx_conf_merge_size_value(conf->downstream_limit_rate, |
|
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1337 prev->downstream_limit_rate, 0); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1338 |
| 6115 | 1339 ngx_conf_merge_size_value(conf->upstream_buf_size, |
| 1340 prev->upstream_buf_size, 16384); | |
| 1341 | |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1342 ngx_conf_merge_size_value(conf->upstream_limit_rate, |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1343 prev->upstream_limit_rate, 0); |
|
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1344 |
| 6115 | 1345 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1346 prev->next_upstream_tries, 0); | |
| 1347 | |
| 1348 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1349 | |
|
6184
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
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6183
diff
changeset
|
1350 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1351 |
|
6183
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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changeset
|
1352 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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changeset
|
1353 |
| 6115 | 1354 #if (NGX_STREAM_SSL) |
| 1355 | |
| 1356 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1357 | |
| 1358 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1359 prev->ssl_session_reuse, 1); | |
| 1360 | |
| 1361 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>
parents:
6124
diff
changeset
|
1362 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1363 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1364 |
| 1365 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1366 | |
| 1367 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1368 | |
| 1369 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1370 | |
| 1371 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1372 | |
| 1373 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1374 prev->ssl_verify_depth, 1); | |
| 1375 | |
| 1376 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1377 prev->ssl_trusted_certificate, ""); | |
| 1378 | |
| 1379 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1380 | |
| 1381 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1382 prev->ssl_certificate, ""); | |
| 1383 | |
| 1384 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1385 prev->ssl_certificate_key, ""); | |
| 1386 | |
| 1387 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1388 | |
| 1389 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1390 return NGX_CONF_ERROR; | |
| 1391 } | |
| 1392 | |
| 1393 #endif | |
| 1394 | |
| 1395 return NGX_CONF_OK; | |
| 1396 } | |
| 1397 | |
| 1398 | |
| 1399 #if (NGX_STREAM_SSL) | |
| 1400 | |
| 1401 static ngx_int_t | |
| 1402 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1403 { | |
| 1404 ngx_pool_cleanup_t *cln; | |
| 1405 | |
| 1406 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1407 if (pscf->ssl == NULL) { | |
| 1408 return NGX_ERROR; | |
| 1409 } | |
| 1410 | |
| 1411 pscf->ssl->log = cf->log; | |
| 1412 | |
| 1413 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1414 return NGX_ERROR; | |
| 1415 } | |
| 1416 | |
| 1417 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1418 if (cln == NULL) { | |
| 1419 return NGX_ERROR; | |
| 1420 } | |
| 1421 | |
| 1422 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1423 cln->data = pscf->ssl; | |
| 1424 | |
| 1425 if (pscf->ssl_certificate.len) { | |
| 1426 | |
| 1427 if (pscf->ssl_certificate_key.len == 0) { | |
| 1428 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1429 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1430 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1431 return NGX_ERROR; | |
| 1432 } | |
| 1433 | |
| 1434 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1435 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1436 != NGX_OK) | |
| 1437 { | |
| 1438 return NGX_ERROR; | |
| 1439 } | |
| 1440 } | |
| 1441 | |
| 1442 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
| 1443 (const char *) pscf->ssl_ciphers.data) | |
| 1444 == 0) | |
| 1445 { | |
| 1446 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1447 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 1448 &pscf->ssl_ciphers); | |
| 1449 return NGX_ERROR; | |
| 1450 } | |
| 1451 | |
| 1452 if (pscf->ssl_verify) { | |
| 1453 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1454 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1455 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1456 return NGX_ERROR; | |
| 1457 } | |
| 1458 | |
| 1459 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1460 &pscf->ssl_trusted_certificate, | |
| 1461 pscf->ssl_verify_depth) | |
| 1462 != NGX_OK) | |
| 1463 { | |
| 1464 return NGX_ERROR; | |
| 1465 } | |
| 1466 | |
| 1467 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1468 return NGX_ERROR; | |
| 1469 } | |
| 1470 } | |
| 1471 | |
| 1472 return NGX_OK; | |
| 1473 } | |
| 1474 | |
| 1475 #endif | |
| 1476 | |
| 1477 | |
| 1478 static char * | |
| 1479 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1480 { | |
| 1481 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1482 | |
| 1483 ngx_url_t u; | |
| 1484 ngx_str_t *value, *url; | |
| 1485 ngx_stream_core_srv_conf_t *cscf; | |
| 1486 | |
| 1487 if (pscf->upstream) { | |
| 1488 return "is duplicate"; | |
| 1489 } | |
| 1490 | |
| 1491 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1492 | |
| 1493 cscf->handler = ngx_stream_proxy_handler; | |
| 1494 | |
| 1495 value = cf->args->elts; | |
| 1496 | |
| 1497 url = &value[1]; | |
| 1498 | |
| 1499 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1500 | |
| 1501 u.url = *url; | |
| 1502 u.no_resolve = 1; | |
| 1503 | |
| 1504 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1505 if (pscf->upstream == NULL) { | |
| 1506 return NGX_CONF_ERROR; | |
| 1507 } | |
| 1508 | |
| 1509 return NGX_CONF_OK; | |
| 1510 } | |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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parents:
6174
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changeset
|
1511 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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6174
diff
changeset
|
1512 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1513 static char * |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1514 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1515 { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1516 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1517 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1518 ngx_int_t rc; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1519 ngx_str_t *value; |
|
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 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1522 return "is duplicate"; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1523 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1524 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1525 value = cf->args->elts; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1526 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1527 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1528 pscf->local = NULL; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1529 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1530 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1531 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1532 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1533 if (pscf->local == NULL) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1534 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1535 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1536 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1537 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>
parents:
6174
diff
changeset
|
1538 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1539 switch (rc) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1540 case NGX_OK: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1541 pscf->local->name = value[1]; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1542 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1543 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1544 case NGX_DECLINED: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1545 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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6174
diff
changeset
|
1546 "invalid address \"%V\"", &value[1]); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1547 /* fall through */ |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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parents:
6174
diff
changeset
|
1548 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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parents:
6174
diff
changeset
|
1549 default: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1550 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1551 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1552 } |