Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6217:b544f8e0d921
Stream: deprecated proxy_downstream_buffer, proxy_upstream_buffer.
The directive proxy_buffer_size should be used instead.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Thu, 30 Jul 2015 16:43:48 -0700 |
| parents | 543f10fe34d2 |
| children | 7565e056fad6 |
| 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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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 | |
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99 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_downstream_buffer = { |
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100 ngx_conf_deprecated, "proxy_downstream_buffer", "proxy_buffer_size" |
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101 }; |
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102 |
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103 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_upstream_buffer = { |
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104 ngx_conf_deprecated, "proxy_upstream_buffer", "proxy_buffer_size" |
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105 }; |
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106 |
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107 |
| 6115 | 108 static ngx_command_t ngx_stream_proxy_commands[] = { |
| 109 | |
| 110 { ngx_string("proxy_pass"), | |
| 111 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 112 ngx_stream_proxy_pass, | |
| 113 NGX_STREAM_SRV_CONF_OFFSET, | |
| 114 0, | |
| 115 NULL }, | |
| 116 | |
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117 { ngx_string("proxy_bind"), |
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118 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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119 ngx_stream_proxy_bind, |
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120 NGX_STREAM_SRV_CONF_OFFSET, |
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121 0, |
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122 NULL }, |
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123 |
| 6115 | 124 { ngx_string("proxy_connect_timeout"), |
| 125 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 126 ngx_conf_set_msec_slot, | |
| 127 NGX_STREAM_SRV_CONF_OFFSET, | |
| 128 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 129 NULL }, | |
| 130 | |
| 131 { ngx_string("proxy_timeout"), | |
| 132 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 133 ngx_conf_set_msec_slot, | |
| 134 NGX_STREAM_SRV_CONF_OFFSET, | |
| 135 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
| 136 NULL }, | |
| 137 | |
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138 { ngx_string("proxy_buffer_size"), |
| 6115 | 139 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
| 140 ngx_conf_set_size_slot, | |
| 141 NGX_STREAM_SRV_CONF_OFFSET, | |
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142 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
| 6115 | 143 NULL }, |
| 144 | |
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145 { ngx_string("proxy_downstream_buffer"), |
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146 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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147 ngx_conf_set_size_slot, |
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148 NGX_STREAM_SRV_CONF_OFFSET, |
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149 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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150 &ngx_conf_deprecated_proxy_downstream_buffer }, |
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151 |
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152 { ngx_string("proxy_upstream_buffer"), |
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153 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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154 ngx_conf_set_size_slot, |
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155 NGX_STREAM_SRV_CONF_OFFSET, |
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156 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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157 &ngx_conf_deprecated_proxy_upstream_buffer }, |
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158 |
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159 { ngx_string("proxy_upload_rate"), |
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160 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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161 ngx_conf_set_size_slot, |
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162 NGX_STREAM_SRV_CONF_OFFSET, |
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163 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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164 NULL }, |
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165 |
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166 { ngx_string("proxy_download_rate"), |
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167 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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168 ngx_conf_set_size_slot, |
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169 NGX_STREAM_SRV_CONF_OFFSET, |
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170 offsetof(ngx_stream_proxy_srv_conf_t, download_rate), |
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171 NULL }, |
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172 |
| 6115 | 173 { ngx_string("proxy_next_upstream"), |
| 174 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 175 ngx_conf_set_flag_slot, | |
| 176 NGX_STREAM_SRV_CONF_OFFSET, | |
| 177 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 178 NULL }, | |
| 179 | |
| 180 { ngx_string("proxy_next_upstream_tries"), | |
| 181 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 182 ngx_conf_set_num_slot, | |
| 183 NGX_STREAM_SRV_CONF_OFFSET, | |
| 184 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 185 NULL }, | |
| 186 | |
| 187 { ngx_string("proxy_next_upstream_timeout"), | |
| 188 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 189 ngx_conf_set_msec_slot, | |
| 190 NGX_STREAM_SRV_CONF_OFFSET, | |
| 191 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 192 NULL }, | |
| 193 | |
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194 { ngx_string("proxy_protocol"), |
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195 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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196 ngx_conf_set_flag_slot, |
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197 NGX_STREAM_SRV_CONF_OFFSET, |
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198 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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199 NULL }, |
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200 |
| 6115 | 201 #if (NGX_STREAM_SSL) |
| 202 | |
| 203 { ngx_string("proxy_ssl"), | |
| 204 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 205 ngx_conf_set_flag_slot, | |
| 206 NGX_STREAM_SRV_CONF_OFFSET, | |
| 207 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 208 NULL }, | |
| 209 | |
| 210 { ngx_string("proxy_ssl_session_reuse"), | |
| 211 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 212 ngx_conf_set_flag_slot, | |
| 213 NGX_STREAM_SRV_CONF_OFFSET, | |
| 214 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 215 NULL }, | |
| 216 | |
| 217 { ngx_string("proxy_ssl_protocols"), | |
| 218 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 219 ngx_conf_set_bitmask_slot, | |
| 220 NGX_STREAM_SRV_CONF_OFFSET, | |
| 221 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 222 &ngx_stream_proxy_ssl_protocols }, | |
| 223 | |
| 224 { ngx_string("proxy_ssl_ciphers"), | |
| 225 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 226 ngx_conf_set_str_slot, | |
| 227 NGX_STREAM_SRV_CONF_OFFSET, | |
| 228 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 229 NULL }, | |
| 230 | |
| 231 { ngx_string("proxy_ssl_name"), | |
| 232 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 233 ngx_conf_set_str_slot, | |
| 234 NGX_STREAM_SRV_CONF_OFFSET, | |
| 235 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 236 NULL }, | |
| 237 | |
| 238 { ngx_string("proxy_ssl_server_name"), | |
| 239 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 240 ngx_conf_set_flag_slot, | |
| 241 NGX_STREAM_SRV_CONF_OFFSET, | |
| 242 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
| 243 NULL }, | |
| 244 | |
| 245 { ngx_string("proxy_ssl_verify"), | |
| 246 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 247 ngx_conf_set_flag_slot, | |
| 248 NGX_STREAM_SRV_CONF_OFFSET, | |
| 249 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 250 NULL }, | |
| 251 | |
| 252 { ngx_string("proxy_ssl_verify_depth"), | |
| 253 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 254 ngx_conf_set_num_slot, | |
| 255 NGX_STREAM_SRV_CONF_OFFSET, | |
| 256 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 257 NULL }, | |
| 258 | |
| 259 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 260 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 261 ngx_conf_set_str_slot, | |
| 262 NGX_STREAM_SRV_CONF_OFFSET, | |
| 263 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
| 264 NULL }, | |
| 265 | |
| 266 { ngx_string("proxy_ssl_crl"), | |
| 267 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 268 ngx_conf_set_str_slot, | |
| 269 NGX_STREAM_SRV_CONF_OFFSET, | |
| 270 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 271 NULL }, | |
| 272 | |
| 273 { ngx_string("proxy_ssl_certificate"), | |
| 274 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 275 ngx_conf_set_str_slot, | |
| 276 NGX_STREAM_SRV_CONF_OFFSET, | |
| 277 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 278 NULL }, | |
| 279 | |
| 280 { ngx_string("proxy_ssl_certificate_key"), | |
| 281 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 282 ngx_conf_set_str_slot, | |
| 283 NGX_STREAM_SRV_CONF_OFFSET, | |
| 284 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 285 NULL }, | |
| 286 | |
| 287 { ngx_string("proxy_ssl_password_file"), | |
| 288 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 289 ngx_stream_proxy_ssl_password_file, | |
| 290 NGX_STREAM_SRV_CONF_OFFSET, | |
| 291 0, | |
| 292 NULL }, | |
| 293 | |
| 294 #endif | |
| 295 | |
| 296 ngx_null_command | |
| 297 }; | |
| 298 | |
| 299 | |
| 300 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
|
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301 NULL, /* postconfiguration */ |
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302 |
| 6115 | 303 NULL, /* create main configuration */ |
| 304 NULL, /* init main configuration */ | |
| 305 | |
| 306 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 307 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 308 }; | |
| 309 | |
| 310 | |
| 311 ngx_module_t ngx_stream_proxy_module = { | |
| 312 NGX_MODULE_V1, | |
| 313 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 314 ngx_stream_proxy_commands, /* module directives */ | |
| 315 NGX_STREAM_MODULE, /* module type */ | |
| 316 NULL, /* init master */ | |
| 317 NULL, /* init module */ | |
| 318 NULL, /* init process */ | |
| 319 NULL, /* init thread */ | |
| 320 NULL, /* exit thread */ | |
| 321 NULL, /* exit process */ | |
| 322 NULL, /* exit master */ | |
| 323 NGX_MODULE_V1_PADDING | |
| 324 }; | |
| 325 | |
| 326 | |
| 327 static void | |
| 328 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 329 { | |
| 330 u_char *p; | |
| 331 ngx_connection_t *c; | |
| 332 ngx_stream_upstream_t *u; | |
| 333 ngx_stream_proxy_srv_conf_t *pscf; | |
| 334 ngx_stream_upstream_srv_conf_t *uscf; | |
| 335 | |
| 336 c = s->connection; | |
| 337 | |
| 338 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 339 | |
| 340 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 341 "proxy connection handler"); | |
| 342 | |
| 343 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 344 if (u == NULL) { | |
| 345 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 346 return; | |
| 347 } | |
| 348 | |
| 349 s->upstream = u; | |
| 350 | |
| 351 s->log_handler = ngx_stream_proxy_log_error; | |
| 352 | |
| 353 u->peer.log = c->log; | |
| 354 u->peer.log_error = NGX_ERROR_ERR; | |
| 355 | |
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356 u->peer.local = pscf->local; |
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357 |
| 6115 | 358 uscf = pscf->upstream; |
| 359 | |
| 360 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 361 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 362 return; | |
| 363 } | |
| 364 | |
| 365 u->peer.start_time = ngx_current_msec; | |
| 366 | |
| 367 if (pscf->next_upstream_tries | |
| 368 && u->peer.tries > pscf->next_upstream_tries) | |
| 369 { | |
| 370 u->peer.tries = pscf->next_upstream_tries; | |
| 371 } | |
| 372 | |
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373 u->proxy_protocol = pscf->proxy_protocol; |
|
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374 u->start_sec = ngx_time(); |
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375 |
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376 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 377 if (p == NULL) { |
| 378 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 379 return; | |
| 380 } | |
| 381 | |
| 382 u->downstream_buf.start = p; | |
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383 u->downstream_buf.end = p + pscf->buffer_size; |
| 6115 | 384 u->downstream_buf.pos = p; |
| 385 u->downstream_buf.last = p; | |
| 386 | |
| 387 c->write->handler = ngx_stream_proxy_downstream_handler; | |
| 388 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 389 | |
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390 if (u->proxy_protocol |
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391 #if (NGX_STREAM_SSL) |
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392 && pscf->ssl == NULL |
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393 #endif |
| 6216 | 394 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER) |
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395 { |
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396 /* optimization for a typical case */ |
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397 |
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398 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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399 "stream proxy send PROXY protocol header"); |
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400 |
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401 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
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402 u->downstream_buf.end); |
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403 if (p == NULL) { |
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404 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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405 return; |
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|
406 } |
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407 |
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408 u->downstream_buf.last = p; |
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409 u->proxy_protocol = 0; |
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410 } |
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411 |
| 6115 | 412 if (ngx_stream_proxy_process(s, 0, 0) != NGX_OK) { |
| 413 return; | |
| 414 } | |
| 415 | |
| 416 ngx_stream_proxy_connect(s); | |
| 417 } | |
| 418 | |
| 419 | |
| 420 static void | |
| 421 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 422 { | |
| 423 ngx_int_t rc; | |
| 424 ngx_connection_t *c, *pc; | |
| 425 ngx_stream_upstream_t *u; | |
| 426 ngx_stream_proxy_srv_conf_t *pscf; | |
| 427 | |
| 428 c = s->connection; | |
| 429 | |
| 430 c->log->action = "connecting to upstream"; | |
| 431 | |
| 432 u = s->upstream; | |
| 433 | |
| 434 rc = ngx_event_connect_peer(&u->peer); | |
| 435 | |
| 436 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 437 | |
| 438 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 439 | |
| 440 if (rc == NGX_ERROR) { | |
| 441 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 442 return; | |
| 443 } | |
| 444 | |
| 445 if (rc == NGX_BUSY) { | |
| 446 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 447 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 448 return; | |
| 449 } | |
| 450 | |
| 451 if (rc == NGX_DECLINED) { | |
| 452 ngx_stream_proxy_next_upstream(s); | |
| 453 return; | |
| 454 } | |
| 455 | |
| 456 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 457 | |
| 458 pc = u->peer.connection; | |
| 459 | |
| 460 pc->data = s; | |
| 461 pc->log = c->log; | |
| 462 pc->pool = c->pool; | |
| 463 pc->read->log = c->log; | |
| 464 pc->write->log = c->log; | |
| 465 | |
| 466 if (rc != NGX_AGAIN) { | |
| 467 ngx_stream_proxy_init_upstream(s); | |
| 468 return; | |
| 469 } | |
| 470 | |
| 471 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 472 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 473 | |
| 474 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 475 } | |
| 476 | |
| 477 | |
| 478 static void | |
| 479 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 480 { | |
| 481 u_char *p; | |
| 482 ngx_connection_t *c, *pc; | |
| 483 ngx_log_handler_pt handler; | |
| 484 ngx_stream_upstream_t *u; | |
| 485 ngx_stream_proxy_srv_conf_t *pscf; | |
| 486 | |
|
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487 u = s->upstream; |
| 6115 | 488 |
|
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489 if (u->proxy_protocol) { |
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490 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
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|
491 return; |
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|
492 } |
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|
493 |
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494 u->proxy_protocol = 0; |
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|
495 } |
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496 |
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|
497 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 498 |
| 499 pc = u->peer.connection; | |
| 500 | |
| 501 #if (NGX_STREAM_SSL) | |
| 502 if (pscf->ssl && pc->ssl == NULL) { | |
| 503 ngx_stream_proxy_ssl_init_connection(s); | |
| 504 return; | |
| 505 } | |
| 506 #endif | |
| 507 | |
| 508 c = s->connection; | |
| 509 | |
| 510 if (c->log->log_level >= NGX_LOG_INFO) { | |
| 511 ngx_str_t s; | |
| 512 u_char addr[NGX_SOCKADDR_STRLEN]; | |
| 513 | |
| 514 s.len = NGX_SOCKADDR_STRLEN; | |
| 515 s.data = addr; | |
| 516 | |
| 517 if (ngx_connection_local_sockaddr(pc, &s, 1) == NGX_OK) { | |
| 518 handler = c->log->handler; | |
| 519 c->log->handler = NULL; | |
| 520 | |
| 521 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
| 522 &s, u->peer.name); | |
| 523 | |
| 524 c->log->handler = handler; | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 c->log->action = "proxying connection"; | |
| 529 | |
|
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|
530 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 531 if (p == NULL) { |
| 532 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 533 return; | |
| 534 } | |
| 535 | |
| 536 u->upstream_buf.start = p; | |
|
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|
537 u->upstream_buf.end = p + pscf->buffer_size; |
| 6115 | 538 u->upstream_buf.pos = p; |
| 539 u->upstream_buf.last = p; | |
| 540 | |
|
6202
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Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
541 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
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6201
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|
542 |
| 6115 | 543 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 544 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 545 | |
| 546 if (ngx_stream_proxy_process(s, 1, 0) != NGX_OK) { | |
| 547 return; | |
| 548 } | |
| 549 | |
| 550 ngx_stream_proxy_process(s, 0, 1); | |
| 551 } | |
| 552 | |
| 553 | |
|
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554 static ngx_int_t |
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555 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
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556 { |
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557 u_char *p; |
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558 ssize_t n, size; |
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559 ngx_connection_t *c, *pc; |
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560 ngx_stream_upstream_t *u; |
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561 ngx_stream_proxy_srv_conf_t *pscf; |
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562 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
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563 |
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564 c = s->connection; |
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565 |
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566 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
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567 "stream proxy send PROXY protocol header"); |
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568 |
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569 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
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570 if (p == NULL) { |
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571 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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572 return NGX_ERROR; |
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573 } |
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574 |
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575 u = s->upstream; |
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576 |
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577 pc = u->peer.connection; |
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578 |
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579 size = p - buf; |
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580 |
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581 n = pc->send(pc, buf, size); |
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582 |
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583 if (n == NGX_AGAIN) { |
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584 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
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585 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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586 return NGX_ERROR; |
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587 } |
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588 |
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589 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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590 |
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591 ngx_add_timer(pc->write, pscf->timeout); |
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592 |
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593 pc->write->handler = ngx_stream_proxy_connect_handler; |
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594 |
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595 return NGX_AGAIN; |
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596 } |
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597 |
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598 if (n == NGX_ERROR) { |
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599 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
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600 return NGX_ERROR; |
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601 } |
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602 |
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603 if (n != size) { |
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604 |
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605 /* |
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606 * PROXY protocol specification: |
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607 * The sender must always ensure that the header |
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608 * is sent at once, so that the transport layer |
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609 * maintains atomicity along the path to the receiver. |
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610 */ |
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611 |
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612 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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613 "could not send PROXY protocol header at once"); |
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614 |
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615 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
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616 |
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617 return NGX_ERROR; |
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618 } |
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619 |
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620 return NGX_OK; |
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621 } |
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622 |
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|
623 |
| 6115 | 624 #if (NGX_STREAM_SSL) |
| 625 | |
| 626 static char * | |
| 627 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 628 void *conf) | |
| 629 { | |
| 630 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 631 | |
| 632 ngx_str_t *value; | |
| 633 | |
| 634 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 635 return "is duplicate"; | |
| 636 } | |
| 637 | |
| 638 value = cf->args->elts; | |
| 639 | |
| 640 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 641 | |
| 642 if (pscf->ssl_passwords == NULL) { | |
| 643 return NGX_CONF_ERROR; | |
| 644 } | |
| 645 | |
| 646 return NGX_CONF_OK; | |
| 647 } | |
| 648 | |
| 649 | |
| 650 static void | |
| 651 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 652 { | |
| 653 ngx_int_t rc; | |
| 654 ngx_connection_t *pc; | |
| 655 ngx_stream_upstream_t *u; | |
| 656 ngx_stream_proxy_srv_conf_t *pscf; | |
| 657 | |
| 658 u = s->upstream; | |
| 659 | |
| 660 pc = u->peer.connection; | |
| 661 | |
| 662 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 663 | |
| 664 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 665 != NGX_OK) | |
| 666 { | |
| 667 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 668 return; | |
| 669 } | |
| 670 | |
| 671 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 672 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 673 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 674 return; | |
| 675 } | |
| 676 } | |
| 677 | |
| 678 if (pscf->ssl_session_reuse) { | |
| 679 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 680 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 681 return; | |
| 682 } | |
| 683 } | |
| 684 | |
| 685 s->connection->log->action = "SSL handshaking to upstream"; | |
| 686 | |
| 687 rc = ngx_ssl_handshake(pc); | |
| 688 | |
| 689 if (rc == NGX_AGAIN) { | |
| 690 | |
| 691 if (!pc->write->timer_set) { | |
| 692 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 693 } | |
| 694 | |
| 695 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 696 return; | |
| 697 } | |
| 698 | |
| 699 ngx_stream_proxy_ssl_handshake(pc); | |
| 700 } | |
| 701 | |
| 702 | |
| 703 static void | |
| 704 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 705 { | |
| 706 long rc; | |
| 707 ngx_stream_session_t *s; | |
| 708 ngx_stream_upstream_t *u; | |
| 709 ngx_stream_proxy_srv_conf_t *pscf; | |
| 710 | |
| 711 s = pc->data; | |
| 712 | |
| 713 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 714 | |
| 715 if (pc->ssl->handshaked) { | |
| 716 | |
| 717 if (pscf->ssl_verify) { | |
| 718 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 719 | |
| 720 if (rc != X509_V_OK) { | |
| 721 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 722 "upstream SSL certificate verify error: (%l:%s)", | |
| 723 rc, X509_verify_cert_error_string(rc)); | |
| 724 goto failed; | |
| 725 } | |
| 726 | |
| 727 u = s->upstream; | |
| 728 | |
| 729 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 730 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 731 "upstream SSL certificate does not match \"%V\"", | |
| 732 &u->ssl_name); | |
| 733 goto failed; | |
| 734 } | |
| 735 } | |
| 736 | |
| 737 if (pscf->ssl_session_reuse) { | |
| 738 u = s->upstream; | |
| 739 u->peer.save_session(&u->peer, u->peer.data); | |
| 740 } | |
| 741 | |
| 742 ngx_stream_proxy_init_upstream(s); | |
| 743 | |
| 744 return; | |
| 745 } | |
| 746 | |
| 747 failed: | |
| 748 | |
| 749 ngx_stream_proxy_next_upstream(s); | |
| 750 } | |
| 751 | |
| 752 | |
| 753 static ngx_int_t | |
| 754 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 755 { | |
| 756 u_char *p, *last; | |
| 757 ngx_str_t name; | |
| 758 ngx_stream_upstream_t *u; | |
| 759 ngx_stream_proxy_srv_conf_t *pscf; | |
| 760 | |
| 761 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 762 | |
| 763 u = s->upstream; | |
| 764 | |
| 765 name = pscf->ssl_name; | |
| 766 | |
| 767 if (name.len == 0) { | |
| 768 name = pscf->upstream->host; | |
| 769 } | |
| 770 | |
| 771 if (name.len == 0) { | |
| 772 goto done; | |
| 773 } | |
| 774 | |
| 775 /* | |
| 776 * ssl name here may contain port, strip it for compatibility | |
| 777 * with the http module | |
| 778 */ | |
| 779 | |
| 780 p = name.data; | |
| 781 last = name.data + name.len; | |
| 782 | |
| 783 if (*p == '[') { | |
| 784 p = ngx_strlchr(p, last, ']'); | |
| 785 | |
| 786 if (p == NULL) { | |
| 787 p = name.data; | |
| 788 } | |
| 789 } | |
| 790 | |
| 791 p = ngx_strlchr(p, last, ':'); | |
| 792 | |
| 793 if (p != NULL) { | |
| 794 name.len = p - name.data; | |
| 795 } | |
| 796 | |
| 797 if (!pscf->ssl_server_name) { | |
| 798 goto done; | |
| 799 } | |
| 800 | |
| 801 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 802 | |
| 803 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 804 | |
| 805 if (name.len == 0 || *name.data == '[') { | |
| 806 goto done; | |
| 807 } | |
| 808 | |
| 809 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 810 goto done; | |
| 811 } | |
| 812 | |
| 813 /* | |
| 814 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 815 * hence we explicitly null-terminate name here | |
| 816 */ | |
| 817 | |
| 818 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 819 if (p == NULL) { | |
| 820 return NGX_ERROR; | |
| 821 } | |
| 822 | |
| 823 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 824 | |
| 825 name.data = p; | |
| 826 | |
| 827 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 828 "upstream SSL server name: \"%s\"", name.data); | |
| 829 | |
| 830 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 831 == 0) | |
| 832 { | |
| 833 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 834 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 835 return NGX_ERROR; | |
| 836 } | |
| 837 | |
| 838 #endif | |
| 839 | |
| 840 done: | |
| 841 | |
| 842 u->ssl_name = name; | |
| 843 | |
| 844 return NGX_OK; | |
| 845 } | |
| 846 | |
| 847 #endif | |
| 848 | |
| 849 | |
| 850 static void | |
| 851 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 852 { | |
|
6200
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853 ngx_stream_proxy_process_connection(ev, ev->write); |
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854 } |
|
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855 |
|
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|
856 |
|
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|
857 static void |
|
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|
858 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
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859 { |
|
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860 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
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861 } |
|
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862 |
|
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|
863 |
|
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864 static void |
|
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|
865 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
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866 { |
|
6201
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867 ngx_connection_t *c, *pc; |
|
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868 ngx_stream_session_t *s; |
|
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869 ngx_stream_upstream_t *u; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
870 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 871 |
| 872 c = ev->data; | |
| 873 s = c->data; | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
874 u = s->upstream; |
| 6115 | 875 |
| 876 if (ev->timedout) { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
877 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
878 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
879 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
880 ev->timedout = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
881 ev->delayed = 0; |
|
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 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
884 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
|
885 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
886 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
887 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
888 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
889 if (u->connected) { |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
890 pc = u->peer.connection; |
|
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 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
893 pscf = ngx_stream_get_module_srv_conf(s, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
894 ngx_stream_proxy_module); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
895 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
896 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
897 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
898 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
899 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
900 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
901 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
902 } else { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
903 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
|
904 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
905 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
906 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
907 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
908 } else if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
909 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
910 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
911 "stream connection delayed"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
912 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
913 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
|
914 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
915 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
916 |
| 6115 | 917 return; |
| 918 } | |
| 919 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
920 if (from_upstream && !u->connected) { |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
921 return; |
| 6115 | 922 } |
| 923 | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
924 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 925 } |
| 926 | |
| 927 | |
| 928 static void | |
| 929 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 930 { | |
| 931 ngx_connection_t *c; | |
| 932 ngx_stream_session_t *s; | |
| 933 | |
| 934 c = ev->data; | |
| 935 s = c->data; | |
| 936 | |
| 937 if (ev->timedout) { | |
| 938 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 939 ngx_stream_proxy_next_upstream(s); | |
| 940 return; | |
| 941 } | |
| 942 | |
| 943 ngx_del_timer(c->write); | |
| 944 | |
| 945 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 946 "stream proxy connect upstream"); | |
| 947 | |
| 948 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 949 ngx_stream_proxy_next_upstream(s); | |
| 950 return; | |
| 951 } | |
| 952 | |
| 953 ngx_stream_proxy_init_upstream(s); | |
| 954 } | |
| 955 | |
| 956 | |
| 957 static ngx_int_t | |
| 958 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 959 { | |
| 960 int err; | |
| 961 socklen_t len; | |
| 962 | |
| 963 #if (NGX_HAVE_KQUEUE) | |
| 964 | |
| 965 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 966 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 967 | |
| 968 if (err) { | |
| 969 (void) ngx_connection_error(c, err, | |
| 970 "kevent() reported that connect() failed"); | |
| 971 return NGX_ERROR; | |
| 972 } | |
| 973 | |
| 974 } else | |
| 975 #endif | |
| 976 { | |
| 977 err = 0; | |
| 978 len = sizeof(int); | |
| 979 | |
| 980 /* | |
| 981 * BSDs and Linux return 0 and set a pending error in err | |
| 982 * Solaris returns -1 and sets errno | |
| 983 */ | |
| 984 | |
| 985 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 986 == -1) | |
| 987 { | |
| 988 err = ngx_socket_errno; | |
| 989 } | |
| 990 | |
| 991 if (err) { | |
| 992 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 993 return NGX_ERROR; | |
| 994 } | |
| 995 } | |
| 996 | |
| 997 return NGX_OK; | |
| 998 } | |
| 999 | |
| 1000 | |
| 1001 static ngx_int_t | |
| 1002 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, | |
| 1003 ngx_uint_t do_write) | |
| 1004 { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1005 off_t *received, limit; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1006 size_t size, limit_rate; |
| 6115 | 1007 ssize_t n; |
| 1008 ngx_buf_t *b; | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1009 ngx_uint_t flags; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1010 ngx_msec_t delay; |
| 6115 | 1011 ngx_connection_t *c, *pc, *src, *dst; |
| 1012 ngx_log_handler_pt handler; | |
| 1013 ngx_stream_upstream_t *u; | |
| 1014 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1015 | |
| 1016 u = s->upstream; | |
| 1017 | |
| 1018 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
1019 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 1020 |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1021 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1022 |
| 6115 | 1023 if (from_upstream) { |
| 1024 src = pc; | |
| 1025 dst = c; | |
| 1026 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1027 limit_rate = pscf->download_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1028 received = &u->received; |
| 6115 | 1029 |
| 1030 } else { | |
| 1031 src = c; | |
| 1032 dst = pc; | |
| 1033 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1034 limit_rate = pscf->upload_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1035 received = &s->received; |
| 6115 | 1036 } |
| 1037 | |
| 1038 for ( ;; ) { | |
| 1039 | |
| 1040 if (do_write) { | |
| 1041 | |
| 1042 size = b->last - b->pos; | |
| 1043 | |
| 1044 if (size && dst && dst->write->ready) { | |
| 1045 | |
| 1046 n = dst->send(dst, b->pos, size); | |
| 1047 | |
| 1048 if (n == NGX_ERROR) { | |
| 1049 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1050 return NGX_ERROR; | |
| 1051 } | |
| 1052 | |
| 1053 if (n > 0) { | |
| 1054 b->pos += n; | |
| 1055 | |
| 1056 if (b->pos == b->last) { | |
| 1057 b->pos = b->start; | |
| 1058 b->last = b->start; | |
| 1059 } | |
| 1060 } | |
| 1061 } | |
| 1062 } | |
| 1063 | |
| 1064 size = b->end - b->last; | |
| 1065 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1066 if (size && src->read->ready && !src->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1067 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1068 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1069 limit = (off_t) limit_rate * (ngx_time() - u->start_sec + 1) |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1070 - *received; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1071 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1072 if (limit <= 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1073 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1074 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1075 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1076 break; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1077 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1078 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1079 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
parents:
6202
diff
changeset
|
1080 size = (size_t) limit; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1081 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1082 } |
| 6115 | 1083 |
| 1084 n = src->recv(src, b->last, size); | |
| 1085 | |
| 1086 if (n == NGX_AGAIN || n == 0) { | |
| 1087 break; | |
| 1088 } | |
| 1089 | |
| 1090 if (n > 0) { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1091 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1092 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1093 |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1094 if (delay > 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1095 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1096 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1097 } |
| 6115 | 1098 } |
| 1099 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1100 *received += n; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1101 b->last += n; |
| 6115 | 1102 do_write = 1; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1103 |
| 6115 | 1104 continue; |
| 1105 } | |
| 1106 | |
| 1107 if (n == NGX_ERROR) { | |
| 1108 src->read->eof = 1; | |
| 1109 } | |
| 1110 } | |
| 1111 | |
| 1112 break; | |
| 1113 } | |
| 1114 | |
| 1115 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1116 handler = c->log->handler; | |
| 1117 c->log->handler = NULL; | |
| 1118 | |
| 1119 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1120 "%s disconnected" | |
| 1121 ", bytes from/to client:%O/%O" | |
| 1122 ", bytes from/to upstream:%O/%O", | |
| 1123 from_upstream ? "upstream" : "client", | |
| 1124 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1125 | |
| 1126 c->log->handler = handler; | |
| 1127 | |
| 1128 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1129 return NGX_DONE; | |
| 1130 } | |
| 1131 | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1132 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
|
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1133 |
|
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1134 if (ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1135 ngx_stream_proxy_finalize(s, NGX_ERROR); |
| 1136 return NGX_ERROR; | |
| 1137 } | |
| 1138 | |
| 1139 if (dst) { | |
| 1140 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { | |
| 1141 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 1142 return NGX_ERROR; | |
| 1143 } | |
| 1144 | |
|
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1145 if (!c->read->delayed && !pc->read->delayed) { |
|
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|
1146 ngx_add_timer(c->write, pscf->timeout); |
|
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|
1147 |
|
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|
1148 } else if (c->write->timer_set) { |
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|
1149 ngx_del_timer(c->write); |
|
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|
1150 } |
| 6115 | 1151 } |
| 1152 | |
| 1153 return NGX_OK; | |
| 1154 } | |
| 1155 | |
| 1156 | |
| 1157 static void | |
| 1158 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1159 { | |
| 1160 ngx_msec_t timeout; | |
| 1161 ngx_connection_t *pc; | |
| 1162 ngx_stream_upstream_t *u; | |
| 1163 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1164 | |
| 1165 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1166 "stream proxy next upstream"); | |
| 1167 | |
| 1168 u = s->upstream; | |
| 1169 | |
| 1170 if (u->peer.sockaddr) { | |
| 1171 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1172 u->peer.sockaddr = NULL; | |
| 1173 } | |
| 1174 | |
| 1175 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1176 | |
| 1177 timeout = pscf->next_upstream_timeout; | |
| 1178 | |
| 1179 if (u->peer.tries == 0 | |
| 1180 || !pscf->next_upstream | |
| 1181 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1182 { | |
| 1183 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1184 return; | |
| 1185 } | |
| 1186 | |
| 1187 pc = u->peer.connection; | |
| 1188 | |
| 1189 if (pc) { | |
| 1190 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1191 "close proxy upstream connection: %d", pc->fd); | |
| 1192 | |
| 1193 #if (NGX_STREAM_SSL) | |
| 1194 if (pc->ssl) { | |
| 1195 pc->ssl->no_wait_shutdown = 1; | |
| 1196 pc->ssl->no_send_shutdown = 1; | |
| 1197 | |
| 1198 (void) ngx_ssl_shutdown(pc); | |
| 1199 } | |
| 1200 #endif | |
| 1201 | |
| 1202 ngx_close_connection(pc); | |
| 1203 u->peer.connection = NULL; | |
| 1204 } | |
| 1205 | |
| 1206 ngx_stream_proxy_connect(s); | |
| 1207 } | |
| 1208 | |
| 1209 | |
| 1210 static void | |
| 1211 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1212 { | |
| 1213 ngx_connection_t *pc; | |
| 1214 ngx_stream_upstream_t *u; | |
| 1215 | |
| 1216 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1217 "finalize stream proxy: %i", rc); | |
| 1218 | |
| 1219 u = s->upstream; | |
| 1220 | |
| 1221 if (u == NULL) { | |
| 1222 goto noupstream; | |
| 1223 } | |
| 1224 | |
| 1225 if (u->peer.free && u->peer.sockaddr) { | |
| 1226 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1227 u->peer.sockaddr = NULL; | |
| 1228 } | |
| 1229 | |
| 1230 pc = u->peer.connection; | |
| 1231 | |
| 1232 if (pc) { | |
| 1233 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1234 "close stream proxy upstream connection: %d", pc->fd); | |
| 1235 | |
| 1236 #if (NGX_STREAM_SSL) | |
| 1237 if (pc->ssl) { | |
| 1238 pc->ssl->no_wait_shutdown = 1; | |
| 1239 (void) ngx_ssl_shutdown(pc); | |
| 1240 } | |
| 1241 #endif | |
| 1242 | |
| 1243 ngx_close_connection(pc); | |
| 1244 u->peer.connection = NULL; | |
| 1245 } | |
| 1246 | |
| 1247 noupstream: | |
| 1248 | |
| 1249 ngx_stream_close_connection(s->connection); | |
| 1250 } | |
| 1251 | |
| 1252 | |
| 1253 static u_char * | |
| 1254 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1255 { | |
| 1256 u_char *p; | |
| 1257 ngx_connection_t *pc; | |
| 1258 ngx_stream_session_t *s; | |
| 1259 ngx_stream_upstream_t *u; | |
| 1260 | |
| 1261 s = log->data; | |
| 1262 | |
| 1263 u = s->upstream; | |
| 1264 | |
| 1265 p = buf; | |
| 1266 | |
| 1267 if (u->peer.name) { | |
| 1268 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1269 len -= p - buf; | |
| 1270 } | |
| 1271 | |
| 1272 pc = u->peer.connection; | |
| 1273 | |
| 1274 p = ngx_snprintf(p, len, | |
| 1275 ", bytes from/to client:%O/%O" | |
| 1276 ", bytes from/to upstream:%O/%O", | |
| 1277 s->received, s->connection->sent, | |
| 1278 u->received, pc ? pc->sent : 0); | |
| 1279 | |
| 1280 return p; | |
| 1281 } | |
| 1282 | |
| 1283 | |
| 1284 static void * | |
| 1285 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1286 { | |
| 1287 ngx_stream_proxy_srv_conf_t *conf; | |
| 1288 | |
| 1289 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1290 if (conf == NULL) { | |
| 1291 return NULL; | |
| 1292 } | |
| 1293 | |
| 1294 /* | |
| 1295 * set by ngx_pcalloc(): | |
| 1296 * | |
| 1297 * conf->ssl_protocols = 0; | |
| 1298 * conf->ssl_ciphers = { 0, NULL }; | |
| 1299 * conf->ssl_name = { 0, NULL }; | |
| 1300 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1301 * conf->ssl_crl = { 0, NULL }; | |
| 1302 * conf->ssl_certificate = { 0, NULL }; | |
| 1303 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1304 * | |
| 1305 * conf->ssl = NULL; | |
| 1306 * conf->upstream = NULL; | |
| 1307 */ | |
| 1308 | |
| 1309 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1310 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1311 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
|
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Stream: added proxy_buffer_size to set the size of data buffers.
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diff
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|
1312 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
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|
1313 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
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diff
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|
1314 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6115 | 1315 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1316 conf->next_upstream = NGX_CONF_UNSET; | |
|
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|
1317 conf->proxy_protocol = NGX_CONF_UNSET; |
|
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|
1318 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1319 |
| 1320 #if (NGX_STREAM_SSL) | |
| 1321 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1322 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1323 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1324 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1325 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1326 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1327 #endif | |
| 1328 | |
| 1329 return conf; | |
| 1330 } | |
| 1331 | |
| 1332 | |
| 1333 static char * | |
| 1334 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1335 { | |
| 1336 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1337 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1338 | |
| 1339 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1340 prev->connect_timeout, 60000); | |
| 1341 | |
| 1342 ngx_conf_merge_msec_value(conf->timeout, | |
| 1343 prev->timeout, 10 * 60000); | |
| 1344 | |
| 1345 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1346 prev->next_upstream_timeout, 0); | |
| 1347 | |
|
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diff
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|
1348 ngx_conf_merge_size_value(conf->buffer_size, |
|
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Stream: added proxy_buffer_size to set the size of data buffers.
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diff
changeset
|
1349 prev->buffer_size, 16384); |
| 6115 | 1350 |
|
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diff
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|
1351 ngx_conf_merge_size_value(conf->upload_rate, |
|
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diff
changeset
|
1352 prev->upload_rate, 0); |
|
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|
1353 |
|
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diff
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|
1354 ngx_conf_merge_size_value(conf->download_rate, |
|
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Roman Arutyunyan <arut@nginx.com>
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changeset
|
1355 prev->download_rate, 0); |
|
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|
1356 |
| 6115 | 1357 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1358 prev->next_upstream_tries, 0); | |
| 1359 | |
| 1360 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1361 | |
|
6184
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diff
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|
1362 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
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|
1363 |
|
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|
1364 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
|
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diff
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|
1365 |
| 6115 | 1366 #if (NGX_STREAM_SSL) |
| 1367 | |
| 1368 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1369 | |
| 1370 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1371 prev->ssl_session_reuse, 1); | |
| 1372 | |
| 1373 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
|
1374 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1375 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1376 |
| 1377 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1378 | |
| 1379 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1380 | |
| 1381 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1382 | |
| 1383 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1384 | |
| 1385 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1386 prev->ssl_verify_depth, 1); | |
| 1387 | |
| 1388 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1389 prev->ssl_trusted_certificate, ""); | |
| 1390 | |
| 1391 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1392 | |
| 1393 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1394 prev->ssl_certificate, ""); | |
| 1395 | |
| 1396 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1397 prev->ssl_certificate_key, ""); | |
| 1398 | |
| 1399 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1400 | |
| 1401 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1402 return NGX_CONF_ERROR; | |
| 1403 } | |
| 1404 | |
| 1405 #endif | |
| 1406 | |
| 1407 return NGX_CONF_OK; | |
| 1408 } | |
| 1409 | |
| 1410 | |
| 1411 #if (NGX_STREAM_SSL) | |
| 1412 | |
| 1413 static ngx_int_t | |
| 1414 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1415 { | |
| 1416 ngx_pool_cleanup_t *cln; | |
| 1417 | |
| 1418 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1419 if (pscf->ssl == NULL) { | |
| 1420 return NGX_ERROR; | |
| 1421 } | |
| 1422 | |
| 1423 pscf->ssl->log = cf->log; | |
| 1424 | |
| 1425 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1426 return NGX_ERROR; | |
| 1427 } | |
| 1428 | |
| 1429 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1430 if (cln == NULL) { | |
| 1431 return NGX_ERROR; | |
| 1432 } | |
| 1433 | |
| 1434 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1435 cln->data = pscf->ssl; | |
| 1436 | |
| 1437 if (pscf->ssl_certificate.len) { | |
| 1438 | |
| 1439 if (pscf->ssl_certificate_key.len == 0) { | |
| 1440 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1441 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1442 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1443 return NGX_ERROR; | |
| 1444 } | |
| 1445 | |
| 1446 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1447 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1448 != NGX_OK) | |
| 1449 { | |
| 1450 return NGX_ERROR; | |
| 1451 } | |
| 1452 } | |
| 1453 | |
| 1454 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
| 1455 (const char *) pscf->ssl_ciphers.data) | |
| 1456 == 0) | |
| 1457 { | |
| 1458 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1459 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 1460 &pscf->ssl_ciphers); | |
| 1461 return NGX_ERROR; | |
| 1462 } | |
| 1463 | |
| 1464 if (pscf->ssl_verify) { | |
| 1465 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1466 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1467 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1468 return NGX_ERROR; | |
| 1469 } | |
| 1470 | |
| 1471 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1472 &pscf->ssl_trusted_certificate, | |
| 1473 pscf->ssl_verify_depth) | |
| 1474 != NGX_OK) | |
| 1475 { | |
| 1476 return NGX_ERROR; | |
| 1477 } | |
| 1478 | |
| 1479 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1480 return NGX_ERROR; | |
| 1481 } | |
| 1482 } | |
| 1483 | |
| 1484 return NGX_OK; | |
| 1485 } | |
| 1486 | |
| 1487 #endif | |
| 1488 | |
| 1489 | |
| 1490 static char * | |
| 1491 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1492 { | |
| 1493 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1494 | |
| 1495 ngx_url_t u; | |
| 1496 ngx_str_t *value, *url; | |
| 1497 ngx_stream_core_srv_conf_t *cscf; | |
| 1498 | |
| 1499 if (pscf->upstream) { | |
| 1500 return "is duplicate"; | |
| 1501 } | |
| 1502 | |
| 1503 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1504 | |
| 1505 cscf->handler = ngx_stream_proxy_handler; | |
| 1506 | |
| 1507 value = cf->args->elts; | |
| 1508 | |
| 1509 url = &value[1]; | |
| 1510 | |
| 1511 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1512 | |
| 1513 u.url = *url; | |
| 1514 u.no_resolve = 1; | |
| 1515 | |
| 1516 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1517 if (pscf->upstream == NULL) { | |
| 1518 return NGX_CONF_ERROR; | |
| 1519 } | |
| 1520 | |
| 1521 return NGX_CONF_OK; | |
| 1522 } | |
|
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|
1523 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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changeset
|
1524 |
|
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Stream: the "proxy_bind" directive.
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|
1525 static char * |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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changeset
|
1526 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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Stream: the "proxy_bind" directive.
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|
1527 { |
|
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Stream: the "proxy_bind" directive.
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changeset
|
1528 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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|
1529 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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changeset
|
1530 ngx_int_t rc; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1531 ngx_str_t *value; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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diff
changeset
|
1532 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
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1533 if (pscf->local != NGX_CONF_UNSET_PTR) { |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1534 return "is duplicate"; |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1535 } |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1536 |
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Stream: the "proxy_bind" directive.
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1537 value = cf->args->elts; |
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Stream: the "proxy_bind" directive.
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1538 |
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Stream: the "proxy_bind" directive.
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1539 if (ngx_strcmp(value[1].data, "off") == 0) { |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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1540 pscf->local = NULL; |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1541 return NGX_CONF_OK; |
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4dcffe43a7ea
Stream: the "proxy_bind" directive.
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1542 } |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1543 |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1544 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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1545 if (pscf->local == NULL) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1546 return NGX_CONF_ERROR; |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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1547 } |
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1548 |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1549 rc = ngx_parse_addr(cf->pool, pscf->local, value[1].data, value[1].len); |
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Stream: the "proxy_bind" directive.
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1550 |
|
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Stream: the "proxy_bind" directive.
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|
1551 switch (rc) { |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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1552 case NGX_OK: |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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|
1553 pscf->local->name = value[1]; |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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1554 return NGX_CONF_OK; |
|
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Stream: the "proxy_bind" directive.
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|
1555 |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1556 case NGX_DECLINED: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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|
1557 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1558 "invalid address \"%V\"", &value[1]); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1559 /* fall through */ |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1560 |
|
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Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1561 default: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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|
1562 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1563 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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1564 } |