Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6606:2f41d383c9c7
Stream: added preconfiguration step.
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Wed, 15 Jun 2016 15:10:24 +0300 |
| parents | 191e23214dfb |
| children | d5b5866c06c4 |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 typedef struct { | |
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14 ngx_addr_t *addr; |
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15 #if (NGX_HAVE_TRANSPARENT_PROXY) |
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16 unsigned transparent:1; |
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17 #endif |
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18 unsigned no_port:1; |
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19 } ngx_stream_upstream_local_t; |
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20 |
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21 |
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22 typedef struct { |
| 6115 | 23 ngx_msec_t connect_timeout; |
| 24 ngx_msec_t timeout; | |
| 25 ngx_msec_t next_upstream_timeout; | |
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26 size_t buffer_size; |
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27 size_t upload_rate; |
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28 size_t download_rate; |
| 6436 | 29 ngx_uint_t responses; |
| 6115 | 30 ngx_uint_t next_upstream_tries; |
| 31 ngx_flag_t next_upstream; | |
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32 ngx_flag_t proxy_protocol; |
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33 ngx_stream_upstream_local_t *local; |
| 6115 | 34 |
| 35 #if (NGX_STREAM_SSL) | |
| 36 ngx_flag_t ssl_enable; | |
| 37 ngx_flag_t ssl_session_reuse; | |
| 38 ngx_uint_t ssl_protocols; | |
| 39 ngx_str_t ssl_ciphers; | |
| 40 ngx_str_t ssl_name; | |
| 41 ngx_flag_t ssl_server_name; | |
| 42 | |
| 43 ngx_flag_t ssl_verify; | |
| 44 ngx_uint_t ssl_verify_depth; | |
| 45 ngx_str_t ssl_trusted_certificate; | |
| 46 ngx_str_t ssl_crl; | |
| 47 ngx_str_t ssl_certificate; | |
| 48 ngx_str_t ssl_certificate_key; | |
| 49 ngx_array_t *ssl_passwords; | |
| 50 | |
| 51 ngx_ssl_t *ssl; | |
| 52 #endif | |
| 53 | |
| 54 ngx_stream_upstream_srv_conf_t *upstream; | |
| 55 } ngx_stream_proxy_srv_conf_t; | |
| 56 | |
| 57 | |
| 58 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
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59 static ngx_int_t ngx_stream_proxy_set_local(ngx_stream_session_t *s, |
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60 ngx_stream_upstream_t *u, ngx_stream_upstream_local_t *local); |
| 6115 | 61 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); |
| 62 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
| 63 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
| 64 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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65 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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66 ngx_uint_t from_upstream); |
| 6115 | 67 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
| 68 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
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69 static void ngx_stream_proxy_process(ngx_stream_session_t *s, |
| 6115 | 70 ngx_uint_t from_upstream, ngx_uint_t do_write); |
| 71 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
| 72 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
| 73 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
| 74 size_t len); | |
| 75 | |
| 76 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
| 77 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| 78 void *child); | |
| 79 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 80 void *conf); | |
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81 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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82 void *conf); |
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83 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
| 6115 | 84 |
| 85 #if (NGX_STREAM_SSL) | |
| 86 | |
| 87 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
| 88 ngx_command_t *cmd, void *conf); | |
| 89 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
| 90 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
| 91 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
| 92 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
| 93 ngx_stream_proxy_srv_conf_t *pscf); | |
| 94 | |
| 95 | |
| 96 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
| 97 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 98 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 99 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 100 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 101 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 102 { ngx_null_string, 0 } | |
| 103 }; | |
| 104 | |
| 105 #endif | |
| 106 | |
| 107 | |
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108 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_downstream_buffer = { |
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109 ngx_conf_deprecated, "proxy_downstream_buffer", "proxy_buffer_size" |
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110 }; |
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111 |
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112 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_upstream_buffer = { |
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113 ngx_conf_deprecated, "proxy_upstream_buffer", "proxy_buffer_size" |
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114 }; |
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115 |
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116 |
| 6115 | 117 static ngx_command_t ngx_stream_proxy_commands[] = { |
| 118 | |
| 119 { ngx_string("proxy_pass"), | |
| 120 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 121 ngx_stream_proxy_pass, | |
| 122 NGX_STREAM_SRV_CONF_OFFSET, | |
| 123 0, | |
| 124 NULL }, | |
| 125 | |
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126 { ngx_string("proxy_bind"), |
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127 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE12, |
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128 ngx_stream_proxy_bind, |
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129 NGX_STREAM_SRV_CONF_OFFSET, |
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130 0, |
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131 NULL }, |
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132 |
| 6115 | 133 { ngx_string("proxy_connect_timeout"), |
| 134 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 135 ngx_conf_set_msec_slot, | |
| 136 NGX_STREAM_SRV_CONF_OFFSET, | |
| 137 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 138 NULL }, | |
| 139 | |
| 140 { ngx_string("proxy_timeout"), | |
| 141 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 142 ngx_conf_set_msec_slot, | |
| 143 NGX_STREAM_SRV_CONF_OFFSET, | |
| 144 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
| 145 NULL }, | |
| 146 | |
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147 { ngx_string("proxy_buffer_size"), |
| 6115 | 148 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
| 149 ngx_conf_set_size_slot, | |
| 150 NGX_STREAM_SRV_CONF_OFFSET, | |
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151 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
| 6115 | 152 NULL }, |
| 153 | |
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154 { ngx_string("proxy_downstream_buffer"), |
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155 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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156 ngx_conf_set_size_slot, |
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157 NGX_STREAM_SRV_CONF_OFFSET, |
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158 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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159 &ngx_conf_deprecated_proxy_downstream_buffer }, |
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160 |
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161 { ngx_string("proxy_upstream_buffer"), |
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162 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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163 ngx_conf_set_size_slot, |
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164 NGX_STREAM_SRV_CONF_OFFSET, |
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165 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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166 &ngx_conf_deprecated_proxy_upstream_buffer }, |
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167 |
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168 { ngx_string("proxy_upload_rate"), |
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169 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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170 ngx_conf_set_size_slot, |
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171 NGX_STREAM_SRV_CONF_OFFSET, |
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172 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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173 NULL }, |
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174 |
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175 { ngx_string("proxy_download_rate"), |
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176 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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177 ngx_conf_set_size_slot, |
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178 NGX_STREAM_SRV_CONF_OFFSET, |
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179 offsetof(ngx_stream_proxy_srv_conf_t, download_rate), |
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180 NULL }, |
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181 |
| 6436 | 182 { ngx_string("proxy_responses"), |
| 183 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 184 ngx_conf_set_num_slot, | |
| 185 NGX_STREAM_SRV_CONF_OFFSET, | |
| 186 offsetof(ngx_stream_proxy_srv_conf_t, responses), | |
| 187 NULL }, | |
| 188 | |
| 6115 | 189 { ngx_string("proxy_next_upstream"), |
| 190 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 191 ngx_conf_set_flag_slot, | |
| 192 NGX_STREAM_SRV_CONF_OFFSET, | |
| 193 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 194 NULL }, | |
| 195 | |
| 196 { ngx_string("proxy_next_upstream_tries"), | |
| 197 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 198 ngx_conf_set_num_slot, | |
| 199 NGX_STREAM_SRV_CONF_OFFSET, | |
| 200 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 201 NULL }, | |
| 202 | |
| 203 { ngx_string("proxy_next_upstream_timeout"), | |
| 204 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 205 ngx_conf_set_msec_slot, | |
| 206 NGX_STREAM_SRV_CONF_OFFSET, | |
| 207 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 208 NULL }, | |
| 209 | |
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210 { ngx_string("proxy_protocol"), |
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211 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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212 ngx_conf_set_flag_slot, |
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213 NGX_STREAM_SRV_CONF_OFFSET, |
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214 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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215 NULL }, |
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216 |
| 6115 | 217 #if (NGX_STREAM_SSL) |
| 218 | |
| 219 { ngx_string("proxy_ssl"), | |
| 220 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 221 ngx_conf_set_flag_slot, | |
| 222 NGX_STREAM_SRV_CONF_OFFSET, | |
| 223 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 224 NULL }, | |
| 225 | |
| 226 { ngx_string("proxy_ssl_session_reuse"), | |
| 227 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 228 ngx_conf_set_flag_slot, | |
| 229 NGX_STREAM_SRV_CONF_OFFSET, | |
| 230 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 231 NULL }, | |
| 232 | |
| 233 { ngx_string("proxy_ssl_protocols"), | |
| 234 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 235 ngx_conf_set_bitmask_slot, | |
| 236 NGX_STREAM_SRV_CONF_OFFSET, | |
| 237 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 238 &ngx_stream_proxy_ssl_protocols }, | |
| 239 | |
| 240 { ngx_string("proxy_ssl_ciphers"), | |
| 241 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 242 ngx_conf_set_str_slot, | |
| 243 NGX_STREAM_SRV_CONF_OFFSET, | |
| 244 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 245 NULL }, | |
| 246 | |
| 247 { ngx_string("proxy_ssl_name"), | |
| 248 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 249 ngx_conf_set_str_slot, | |
| 250 NGX_STREAM_SRV_CONF_OFFSET, | |
| 251 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 252 NULL }, | |
| 253 | |
| 254 { ngx_string("proxy_ssl_server_name"), | |
| 255 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 256 ngx_conf_set_flag_slot, | |
| 257 NGX_STREAM_SRV_CONF_OFFSET, | |
| 258 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
| 259 NULL }, | |
| 260 | |
| 261 { ngx_string("proxy_ssl_verify"), | |
| 262 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 263 ngx_conf_set_flag_slot, | |
| 264 NGX_STREAM_SRV_CONF_OFFSET, | |
| 265 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 266 NULL }, | |
| 267 | |
| 268 { ngx_string("proxy_ssl_verify_depth"), | |
| 269 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 270 ngx_conf_set_num_slot, | |
| 271 NGX_STREAM_SRV_CONF_OFFSET, | |
| 272 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 273 NULL }, | |
| 274 | |
| 275 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 276 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 277 ngx_conf_set_str_slot, | |
| 278 NGX_STREAM_SRV_CONF_OFFSET, | |
| 279 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
| 280 NULL }, | |
| 281 | |
| 282 { ngx_string("proxy_ssl_crl"), | |
| 283 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 284 ngx_conf_set_str_slot, | |
| 285 NGX_STREAM_SRV_CONF_OFFSET, | |
| 286 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 287 NULL }, | |
| 288 | |
| 289 { ngx_string("proxy_ssl_certificate"), | |
| 290 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 291 ngx_conf_set_str_slot, | |
| 292 NGX_STREAM_SRV_CONF_OFFSET, | |
| 293 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 294 NULL }, | |
| 295 | |
| 296 { ngx_string("proxy_ssl_certificate_key"), | |
| 297 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 298 ngx_conf_set_str_slot, | |
| 299 NGX_STREAM_SRV_CONF_OFFSET, | |
| 300 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 301 NULL }, | |
| 302 | |
| 303 { ngx_string("proxy_ssl_password_file"), | |
| 304 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 305 ngx_stream_proxy_ssl_password_file, | |
| 306 NGX_STREAM_SRV_CONF_OFFSET, | |
| 307 0, | |
| 308 NULL }, | |
| 309 | |
| 310 #endif | |
| 311 | |
| 312 ngx_null_command | |
| 313 }; | |
| 314 | |
| 315 | |
| 316 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
|
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317 NULL, /* preconfiguration */ |
|
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318 NULL, /* postconfiguration */ |
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319 |
| 6115 | 320 NULL, /* create main configuration */ |
| 321 NULL, /* init main configuration */ | |
| 322 | |
| 323 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 324 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 325 }; | |
| 326 | |
| 327 | |
| 328 ngx_module_t ngx_stream_proxy_module = { | |
| 329 NGX_MODULE_V1, | |
| 330 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 331 ngx_stream_proxy_commands, /* module directives */ | |
| 332 NGX_STREAM_MODULE, /* module type */ | |
| 333 NULL, /* init master */ | |
| 334 NULL, /* init module */ | |
| 335 NULL, /* init process */ | |
| 336 NULL, /* init thread */ | |
| 337 NULL, /* exit thread */ | |
| 338 NULL, /* exit process */ | |
| 339 NULL, /* exit master */ | |
| 340 NGX_MODULE_V1_PADDING | |
| 341 }; | |
| 342 | |
| 343 | |
| 344 static void | |
| 345 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 346 { | |
| 347 u_char *p; | |
| 348 ngx_connection_t *c; | |
| 349 ngx_stream_upstream_t *u; | |
| 350 ngx_stream_proxy_srv_conf_t *pscf; | |
| 351 ngx_stream_upstream_srv_conf_t *uscf; | |
| 352 | |
| 353 c = s->connection; | |
| 354 | |
| 355 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 356 | |
| 357 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 358 "proxy connection handler"); | |
| 359 | |
| 360 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 361 if (u == NULL) { | |
| 362 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 363 return; | |
| 364 } | |
| 365 | |
| 366 s->upstream = u; | |
| 367 | |
| 368 s->log_handler = ngx_stream_proxy_log_error; | |
| 369 | |
| 370 u->peer.log = c->log; | |
| 371 u->peer.log_error = NGX_ERROR_ERR; | |
| 372 | |
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373 if (ngx_stream_proxy_set_local(s, u, pscf->local) != NGX_OK) { |
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374 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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375 return; |
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|
376 } |
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377 |
| 6436 | 378 u->peer.type = c->type; |
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|
379 |
| 6115 | 380 uscf = pscf->upstream; |
| 381 | |
| 382 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 383 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 384 return; | |
| 385 } | |
| 386 | |
| 387 u->peer.start_time = ngx_current_msec; | |
| 388 | |
| 389 if (pscf->next_upstream_tries | |
| 390 && u->peer.tries > pscf->next_upstream_tries) | |
| 391 { | |
| 392 u->peer.tries = pscf->next_upstream_tries; | |
| 393 } | |
| 394 | |
|
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|
395 u->proxy_protocol = pscf->proxy_protocol; |
|
6201
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Stream: upstream and downstream limit rates.
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|
396 u->start_sec = ngx_time(); |
|
6184
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|
397 |
| 6436 | 398 c->write->handler = ngx_stream_proxy_downstream_handler; |
| 399 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 400 | |
| 401 if (c->type == SOCK_DGRAM) { | |
| 402 ngx_stream_proxy_connect(s); | |
| 403 return; | |
| 404 } | |
| 405 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
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diff
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|
406 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 407 if (p == NULL) { |
| 408 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 409 return; | |
| 410 } | |
| 411 | |
| 412 u->downstream_buf.start = p; | |
|
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|
413 u->downstream_buf.end = p + pscf->buffer_size; |
| 6115 | 414 u->downstream_buf.pos = p; |
| 415 u->downstream_buf.last = p; | |
| 416 | |
|
6184
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417 if (u->proxy_protocol |
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418 #if (NGX_STREAM_SSL) |
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419 && pscf->ssl == NULL |
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|
420 #endif |
| 6216 | 421 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER) |
|
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|
422 { |
|
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|
423 /* optimization for a typical case */ |
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|
424 |
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|
425 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
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|
426 "stream proxy send PROXY protocol header"); |
|
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Stream: client-side PROXY protocol.
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|
427 |
|
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|
428 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
|
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|
429 u->downstream_buf.end); |
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|
430 if (p == NULL) { |
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|
431 ngx_stream_proxy_finalize(s, NGX_ERROR); |
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|
432 return; |
|
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|
433 } |
|
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|
434 |
|
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|
435 u->downstream_buf.last = p; |
|
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|
436 u->proxy_protocol = 0; |
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|
437 } |
|
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|
438 |
|
6435
d1c791479bbb
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|
439 if (c->read->ready) { |
|
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Stream: post first read events from client and upstream.
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|
440 ngx_post_event(c->read, &ngx_posted_events); |
| 6115 | 441 } |
| 442 | |
| 443 ngx_stream_proxy_connect(s); | |
| 444 } | |
| 445 | |
| 446 | |
|
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447 static ngx_int_t |
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448 ngx_stream_proxy_set_local(ngx_stream_session_t *s, ngx_stream_upstream_t *u, |
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449 ngx_stream_upstream_local_t *local) |
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450 { |
|
6593
b3b7e33083ac
Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
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6591
diff
changeset
|
451 ngx_addr_t *addr; |
|
b3b7e33083ac
Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
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parents:
6591
diff
changeset
|
452 ngx_connection_t *c; |
|
6530
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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parents:
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diff
changeset
|
453 |
|
6529
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diff
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|
454 if (local == NULL) { |
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|
455 u->peer.local = NULL; |
|
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diff
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|
456 return NGX_OK; |
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|
457 } |
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|
458 |
|
6530
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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|
459 #if (NGX_HAVE_TRANSPARENT_PROXY) |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
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|
460 u->peer.transparent = local->transparent; |
|
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diff
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|
461 #endif |
|
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462 |
|
6529
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463 if (local->addr) { |
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|
464 u->peer.local = local->addr; |
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465 return NGX_OK; |
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|
466 } |
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|
467 |
|
6595
0c98c4092440
Stream: support for $remote_port in proxy_bind.
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6594
diff
changeset
|
468 /* $remote_addr, $remote_addr:$remote_port, [$remote_addr]:$remote_port */ |
|
6530
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469 |
|
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diff
changeset
|
470 c = s->connection; |
|
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diff
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|
471 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
changeset
|
472 addr = ngx_palloc(c->pool, sizeof(ngx_addr_t)); |
|
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diff
changeset
|
473 if (addr == NULL) { |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
474 return NGX_ERROR; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
475 } |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
476 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
477 addr->socklen = c->socklen; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
478 |
|
6595
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
479 if (local->no_port) { |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
480 addr->sockaddr = ngx_palloc(c->pool, addr->socklen); |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
481 if (addr->sockaddr == NULL) { |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
482 return NGX_ERROR; |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
483 } |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
484 |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
485 ngx_memcpy(addr->sockaddr, c->sockaddr, c->socklen); |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
486 ngx_inet_set_port(addr->sockaddr, 0); |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
487 |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
488 } else { |
|
0c98c4092440
Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
parents:
6594
diff
changeset
|
489 addr->sockaddr = c->sockaddr; |
|
6530
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
490 } |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
491 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
492 addr->name = c->addr_text; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
493 u->peer.local = addr; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
494 |
|
6529
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
495 return NGX_OK; |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
496 } |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
497 |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
498 |
| 6115 | 499 static void |
| 500 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 501 { | |
| 502 ngx_int_t rc; | |
| 503 ngx_connection_t *c, *pc; | |
| 504 ngx_stream_upstream_t *u; | |
| 505 ngx_stream_proxy_srv_conf_t *pscf; | |
| 506 | |
| 507 c = s->connection; | |
| 508 | |
| 509 c->log->action = "connecting to upstream"; | |
| 510 | |
| 511 u = s->upstream; | |
| 512 | |
| 513 rc = ngx_event_connect_peer(&u->peer); | |
| 514 | |
| 515 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 516 | |
| 517 if (rc == NGX_ERROR) { | |
| 518 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 if (rc == NGX_BUSY) { | |
| 523 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 524 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 525 return; | |
| 526 } | |
| 527 | |
| 528 if (rc == NGX_DECLINED) { | |
| 529 ngx_stream_proxy_next_upstream(s); | |
| 530 return; | |
| 531 } | |
| 532 | |
| 533 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 534 | |
| 535 pc = u->peer.connection; | |
| 536 | |
| 537 pc->data = s; | |
| 538 pc->log = c->log; | |
| 539 pc->pool = c->pool; | |
| 540 pc->read->log = c->log; | |
| 541 pc->write->log = c->log; | |
| 542 | |
| 543 if (rc != NGX_AGAIN) { | |
| 544 ngx_stream_proxy_init_upstream(s); | |
| 545 return; | |
| 546 } | |
| 547 | |
| 548 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 549 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 550 | |
|
6393
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
551 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
552 |
| 6115 | 553 ngx_add_timer(pc->write, pscf->connect_timeout); |
| 554 } | |
| 555 | |
| 556 | |
| 557 static void | |
| 558 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 559 { | |
| 6222 | 560 int tcp_nodelay; |
| 6115 | 561 u_char *p; |
| 562 ngx_connection_t *c, *pc; | |
| 563 ngx_log_handler_pt handler; | |
| 564 ngx_stream_upstream_t *u; | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
565 ngx_stream_core_srv_conf_t *cscf; |
| 6115 | 566 ngx_stream_proxy_srv_conf_t *pscf; |
| 567 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
568 u = s->upstream; |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
569 pc = u->peer.connection; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
570 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
571 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
572 |
| 6436 | 573 if (pc->type == SOCK_STREAM |
| 574 && cscf->tcp_nodelay | |
| 575 && pc->tcp_nodelay == NGX_TCP_NODELAY_UNSET) | |
| 576 { | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
577 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, pc->log, 0, "tcp_nodelay"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
578 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
579 tcp_nodelay = 1; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
580 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
581 if (setsockopt(pc->fd, IPPROTO_TCP, TCP_NODELAY, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
582 (const void *) &tcp_nodelay, sizeof(int)) == -1) |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
583 { |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
584 ngx_connection_error(pc, ngx_socket_errno, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
585 "setsockopt(TCP_NODELAY) failed"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
586 ngx_stream_proxy_next_upstream(s); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
587 return; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
588 } |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
589 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
590 pc->tcp_nodelay = NGX_TCP_NODELAY_SET; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
591 } |
| 6115 | 592 |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
593 if (u->proxy_protocol) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
594 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
595 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
596 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
597 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
598 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
599 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
600 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
601 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 602 |
| 603 #if (NGX_STREAM_SSL) | |
| 6436 | 604 if (pc->type == SOCK_STREAM && pscf->ssl && pc->ssl == NULL) { |
| 6115 | 605 ngx_stream_proxy_ssl_init_connection(s); |
| 606 return; | |
| 607 } | |
| 608 #endif | |
| 609 | |
| 610 c = s->connection; | |
| 611 | |
| 612 if (c->log->log_level >= NGX_LOG_INFO) { | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
613 ngx_str_t str; |
| 6115 | 614 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 615 | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
616 str.len = NGX_SOCKADDR_STRLEN; |
|
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
617 str.data = addr; |
| 6115 | 618 |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
619 if (ngx_connection_local_sockaddr(pc, &str, 1) == NGX_OK) { |
| 6115 | 620 handler = c->log->handler; |
| 621 c->log->handler = NULL; | |
| 622 | |
|
6461
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
623 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
624 "%sproxy %V connected to %V", |
|
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
625 pc->type == SOCK_DGRAM ? "udp " : "", |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
626 &str, u->peer.name); |
| 6115 | 627 |
| 628 c->log->handler = handler; | |
| 629 } | |
| 630 } | |
| 631 | |
| 632 c->log->action = "proxying connection"; | |
| 633 | |
| 6436 | 634 if (u->upstream_buf.start == NULL) { |
| 635 p = ngx_pnalloc(c->pool, pscf->buffer_size); | |
| 636 if (p == NULL) { | |
| 637 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 638 return; | |
| 639 } | |
| 640 | |
| 641 u->upstream_buf.start = p; | |
| 642 u->upstream_buf.end = p + pscf->buffer_size; | |
| 643 u->upstream_buf.pos = p; | |
| 644 u->upstream_buf.last = p; | |
| 6115 | 645 } |
| 646 | |
| 6436 | 647 if (c->type == SOCK_DGRAM) { |
| 648 s->received = c->buffer->last - c->buffer->pos; | |
| 649 u->downstream_buf = *c->buffer; | |
| 650 | |
| 651 if (pscf->responses == 0) { | |
| 652 pc->read->ready = 0; | |
| 653 pc->read->eof = 1; | |
| 654 } | |
| 655 } | |
| 6115 | 656 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
657 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
658 |
| 6115 | 659 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 660 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 661 | |
| 6436 | 662 if (pc->read->ready || pc->read->eof) { |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
663 ngx_post_event(pc->read, &ngx_posted_events); |
| 6115 | 664 } |
| 665 | |
| 666 ngx_stream_proxy_process(s, 0, 1); | |
| 667 } | |
| 668 | |
| 669 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
670 static ngx_int_t |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
671 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
672 { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
673 u_char *p; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
674 ssize_t n, size; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
675 ngx_connection_t *c, *pc; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
676 ngx_stream_upstream_t *u; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
677 ngx_stream_proxy_srv_conf_t *pscf; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
678 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
679 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
680 c = s->connection; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
681 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
682 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
683 "stream proxy send PROXY protocol header"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
684 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
685 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
686 if (p == NULL) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
687 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
688 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
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|
689 } |
|
fa663739e115
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diff
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|
690 |
|
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|
691 u = s->upstream; |
|
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Stream: client-side PROXY protocol.
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|
692 |
|
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|
693 pc = u->peer.connection; |
|
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Stream: client-side PROXY protocol.
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diff
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|
694 |
|
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|
695 size = p - buf; |
|
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Stream: client-side PROXY protocol.
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diff
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|
696 |
|
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Stream: client-side PROXY protocol.
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|
697 n = pc->send(pc, buf, size); |
|
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Stream: client-side PROXY protocol.
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diff
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|
698 |
|
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diff
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|
699 if (n == NGX_AGAIN) { |
|
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Stream: client-side PROXY protocol.
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diff
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|
700 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
|
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Stream: client-side PROXY protocol.
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diff
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|
701 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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diff
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|
702 return NGX_ERROR; |
|
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Stream: client-side PROXY protocol.
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parents:
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diff
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|
703 } |
|
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parents:
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diff
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|
704 |
|
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|
705 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
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Stream: client-side PROXY protocol.
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|
706 |
|
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|
707 ngx_add_timer(pc->write, pscf->timeout); |
|
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diff
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|
708 |
|
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|
709 pc->write->handler = ngx_stream_proxy_connect_handler; |
|
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|
710 |
|
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|
711 return NGX_AGAIN; |
|
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Stream: client-side PROXY protocol.
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diff
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|
712 } |
|
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|
713 |
|
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|
714 if (n == NGX_ERROR) { |
|
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|
715 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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|
716 return NGX_ERROR; |
|
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diff
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|
717 } |
|
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|
718 |
|
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|
719 if (n != size) { |
|
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Stream: client-side PROXY protocol.
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diff
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|
720 |
|
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diff
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|
721 /* |
|
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|
722 * PROXY protocol specification: |
|
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diff
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|
723 * The sender must always ensure that the header |
|
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diff
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|
724 * is sent at once, so that the transport layer |
|
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Stream: client-side PROXY protocol.
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diff
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|
725 * maintains atomicity along the path to the receiver. |
|
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Stream: client-side PROXY protocol.
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diff
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|
726 */ |
|
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|
727 |
|
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|
728 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
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diff
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|
729 "could not send PROXY protocol header at once"); |
|
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Stream: client-side PROXY protocol.
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diff
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|
730 |
|
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diff
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|
731 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
fa663739e115
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|
732 |
|
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|
733 return NGX_ERROR; |
|
fa663739e115
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diff
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|
734 } |
|
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6183
diff
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|
735 |
|
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diff
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|
736 return NGX_OK; |
|
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Stream: client-side PROXY protocol.
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diff
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|
737 } |
|
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|
738 |
|
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diff
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|
739 |
| 6115 | 740 #if (NGX_STREAM_SSL) |
| 741 | |
| 742 static char * | |
| 743 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 744 void *conf) | |
| 745 { | |
| 746 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 747 | |
| 748 ngx_str_t *value; | |
| 749 | |
| 750 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 751 return "is duplicate"; | |
| 752 } | |
| 753 | |
| 754 value = cf->args->elts; | |
| 755 | |
| 756 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 757 | |
| 758 if (pscf->ssl_passwords == NULL) { | |
| 759 return NGX_CONF_ERROR; | |
| 760 } | |
| 761 | |
| 762 return NGX_CONF_OK; | |
| 763 } | |
| 764 | |
| 765 | |
| 766 static void | |
| 767 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 768 { | |
| 769 ngx_int_t rc; | |
| 770 ngx_connection_t *pc; | |
| 771 ngx_stream_upstream_t *u; | |
| 772 ngx_stream_proxy_srv_conf_t *pscf; | |
| 773 | |
| 774 u = s->upstream; | |
| 775 | |
| 776 pc = u->peer.connection; | |
| 777 | |
| 778 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 779 | |
| 780 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 781 != NGX_OK) | |
| 782 { | |
| 783 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 784 return; | |
| 785 } | |
| 786 | |
| 787 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 788 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 789 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 790 return; | |
| 791 } | |
| 792 } | |
| 793 | |
| 794 if (pscf->ssl_session_reuse) { | |
| 795 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 796 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 797 return; | |
| 798 } | |
| 799 } | |
| 800 | |
| 801 s->connection->log->action = "SSL handshaking to upstream"; | |
| 802 | |
| 803 rc = ngx_ssl_handshake(pc); | |
| 804 | |
| 805 if (rc == NGX_AGAIN) { | |
| 806 | |
| 807 if (!pc->write->timer_set) { | |
| 808 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 809 } | |
| 810 | |
| 811 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 812 return; | |
| 813 } | |
| 814 | |
| 815 ngx_stream_proxy_ssl_handshake(pc); | |
| 816 } | |
| 817 | |
| 818 | |
| 819 static void | |
| 820 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 821 { | |
| 822 long rc; | |
| 823 ngx_stream_session_t *s; | |
| 824 ngx_stream_upstream_t *u; | |
| 825 ngx_stream_proxy_srv_conf_t *pscf; | |
| 826 | |
| 827 s = pc->data; | |
| 828 | |
| 829 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 830 | |
| 831 if (pc->ssl->handshaked) { | |
| 832 | |
| 833 if (pscf->ssl_verify) { | |
| 834 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 835 | |
| 836 if (rc != X509_V_OK) { | |
| 837 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 838 "upstream SSL certificate verify error: (%l:%s)", | |
| 839 rc, X509_verify_cert_error_string(rc)); | |
| 840 goto failed; | |
| 841 } | |
| 842 | |
| 843 u = s->upstream; | |
| 844 | |
| 845 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 846 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 847 "upstream SSL certificate does not match \"%V\"", | |
| 848 &u->ssl_name); | |
| 849 goto failed; | |
| 850 } | |
| 851 } | |
| 852 | |
| 853 if (pscf->ssl_session_reuse) { | |
| 854 u = s->upstream; | |
| 855 u->peer.save_session(&u->peer, u->peer.data); | |
| 856 } | |
| 857 | |
|
6258
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
858 if (pc->write->timer_set) { |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
859 ngx_del_timer(pc->write); |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
860 } |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
861 |
| 6115 | 862 ngx_stream_proxy_init_upstream(s); |
| 863 | |
| 864 return; | |
| 865 } | |
| 866 | |
| 867 failed: | |
| 868 | |
| 869 ngx_stream_proxy_next_upstream(s); | |
| 870 } | |
| 871 | |
| 872 | |
| 873 static ngx_int_t | |
| 874 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 875 { | |
| 876 u_char *p, *last; | |
| 877 ngx_str_t name; | |
| 878 ngx_stream_upstream_t *u; | |
| 879 ngx_stream_proxy_srv_conf_t *pscf; | |
| 880 | |
| 881 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 882 | |
| 883 u = s->upstream; | |
| 884 | |
| 885 name = pscf->ssl_name; | |
| 886 | |
| 887 if (name.len == 0) { | |
| 888 name = pscf->upstream->host; | |
| 889 } | |
| 890 | |
| 891 if (name.len == 0) { | |
| 892 goto done; | |
| 893 } | |
| 894 | |
| 895 /* | |
| 896 * ssl name here may contain port, strip it for compatibility | |
| 897 * with the http module | |
| 898 */ | |
| 899 | |
| 900 p = name.data; | |
| 901 last = name.data + name.len; | |
| 902 | |
| 903 if (*p == '[') { | |
| 904 p = ngx_strlchr(p, last, ']'); | |
| 905 | |
| 906 if (p == NULL) { | |
| 907 p = name.data; | |
| 908 } | |
| 909 } | |
| 910 | |
| 911 p = ngx_strlchr(p, last, ':'); | |
| 912 | |
| 913 if (p != NULL) { | |
| 914 name.len = p - name.data; | |
| 915 } | |
| 916 | |
| 917 if (!pscf->ssl_server_name) { | |
| 918 goto done; | |
| 919 } | |
| 920 | |
| 921 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 922 | |
| 923 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 924 | |
| 925 if (name.len == 0 || *name.data == '[') { | |
| 926 goto done; | |
| 927 } | |
| 928 | |
| 929 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 930 goto done; | |
| 931 } | |
| 932 | |
| 933 /* | |
| 934 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 935 * hence we explicitly null-terminate name here | |
| 936 */ | |
| 937 | |
| 938 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 939 if (p == NULL) { | |
| 940 return NGX_ERROR; | |
| 941 } | |
| 942 | |
| 943 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 944 | |
| 945 name.data = p; | |
| 946 | |
| 947 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 948 "upstream SSL server name: \"%s\"", name.data); | |
| 949 | |
| 950 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 951 == 0) | |
| 952 { | |
| 953 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 954 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 955 return NGX_ERROR; | |
| 956 } | |
| 957 | |
| 958 #endif | |
| 959 | |
| 960 done: | |
| 961 | |
| 962 u->ssl_name = name; | |
| 963 | |
| 964 return NGX_OK; | |
| 965 } | |
| 966 | |
| 967 #endif | |
| 968 | |
| 969 | |
| 970 static void | |
| 971 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 972 { | |
|
6200
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parents:
6184
diff
changeset
|
973 ngx_stream_proxy_process_connection(ev, ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
974 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
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diff
changeset
|
975 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
976 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
977 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
978 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
979 { |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
980 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
981 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
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diff
changeset
|
982 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
983 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
984 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
985 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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6184
diff
changeset
|
986 { |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
987 ngx_connection_t *c, *pc; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
988 ngx_stream_session_t *s; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
989 ngx_stream_upstream_t *u; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
990 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 991 |
| 992 c = ev->data; | |
| 993 s = c->data; | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
994 u = s->upstream; |
| 6115 | 995 |
| 6436 | 996 c = s->connection; |
| 997 pc = u->peer.connection; | |
| 998 | |
| 999 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1000 | |
| 6115 | 1001 if (ev->timedout) { |
| 6436 | 1002 ev->timedout = 0; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1003 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1004 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1005 ev->delayed = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1006 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1007 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1008 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1009 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1010 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1011 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1012 |
| 6436 | 1013 if (u->connected && !c->read->delayed && !pc->read->delayed) { |
| 1014 ngx_add_timer(c->write, pscf->timeout); | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1015 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1016 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1017 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1018 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1019 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1020 } else { |
| 6436 | 1021 if (s->connection->type == SOCK_DGRAM) { |
| 1022 if (pscf->responses == NGX_MAX_INT32_VALUE) { | |
| 1023 | |
| 1024 /* | |
| 1025 * successfully terminate timed out UDP session | |
| 1026 * with unspecified number of responses | |
| 1027 */ | |
| 1028 | |
| 1029 pc->read->ready = 0; | |
| 1030 pc->read->eof = 1; | |
| 1031 | |
| 1032 ngx_stream_proxy_process(s, 1, 0); | |
| 1033 return; | |
| 1034 } | |
| 1035 | |
| 1036 if (u->received == 0) { | |
| 1037 ngx_stream_proxy_next_upstream(s); | |
| 1038 return; | |
| 1039 } | |
| 1040 } | |
| 1041 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1042 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1043 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1044 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1045 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1046 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
1047 } else if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1048 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1049 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1050 "stream connection delayed"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
1051 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1052 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1053 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1054 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1055 |
| 6115 | 1056 return; |
| 1057 } | |
| 1058 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
1059 if (from_upstream && !u->connected) { |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
1060 return; |
| 6115 | 1061 } |
| 1062 | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
1063 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 1064 } |
| 1065 | |
| 1066 | |
| 1067 static void | |
| 1068 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 1069 { | |
| 1070 ngx_connection_t *c; | |
| 1071 ngx_stream_session_t *s; | |
| 1072 | |
| 1073 c = ev->data; | |
| 1074 s = c->data; | |
| 1075 | |
| 1076 if (ev->timedout) { | |
| 1077 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 1078 ngx_stream_proxy_next_upstream(s); | |
| 1079 return; | |
| 1080 } | |
| 1081 | |
| 1082 ngx_del_timer(c->write); | |
| 1083 | |
| 1084 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 1085 "stream proxy connect upstream"); | |
| 1086 | |
| 1087 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 1088 ngx_stream_proxy_next_upstream(s); | |
| 1089 return; | |
| 1090 } | |
| 1091 | |
| 1092 ngx_stream_proxy_init_upstream(s); | |
| 1093 } | |
| 1094 | |
| 1095 | |
| 1096 static ngx_int_t | |
| 1097 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 1098 { | |
| 1099 int err; | |
| 1100 socklen_t len; | |
| 1101 | |
| 1102 #if (NGX_HAVE_KQUEUE) | |
| 1103 | |
| 1104 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 1105 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 1106 | |
| 1107 if (err) { | |
| 1108 (void) ngx_connection_error(c, err, | |
| 1109 "kevent() reported that connect() failed"); | |
| 1110 return NGX_ERROR; | |
| 1111 } | |
| 1112 | |
| 1113 } else | |
| 1114 #endif | |
| 1115 { | |
| 1116 err = 0; | |
| 1117 len = sizeof(int); | |
| 1118 | |
| 1119 /* | |
| 1120 * BSDs and Linux return 0 and set a pending error in err | |
| 1121 * Solaris returns -1 and sets errno | |
| 1122 */ | |
| 1123 | |
| 1124 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1125 == -1) | |
| 1126 { | |
| 1127 err = ngx_socket_errno; | |
| 1128 } | |
| 1129 | |
| 1130 if (err) { | |
| 1131 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 1132 return NGX_ERROR; | |
| 1133 } | |
| 1134 } | |
| 1135 | |
| 1136 return NGX_OK; | |
| 1137 } | |
| 1138 | |
| 1139 | |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1140 static void |
| 6115 | 1141 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, |
| 1142 ngx_uint_t do_write) | |
| 1143 { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1144 off_t *received, limit; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1145 size_t size, limit_rate; |
| 6115 | 1146 ssize_t n; |
| 1147 ngx_buf_t *b; | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1148 ngx_uint_t flags; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1149 ngx_msec_t delay; |
| 6115 | 1150 ngx_connection_t *c, *pc, *src, *dst; |
| 1151 ngx_log_handler_pt handler; | |
| 1152 ngx_stream_upstream_t *u; | |
| 1153 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1154 | |
| 1155 u = s->upstream; | |
| 1156 | |
| 1157 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
1158 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 1159 |
| 6436 | 1160 if (c->type == SOCK_DGRAM && (ngx_terminate || ngx_exiting)) { |
| 1161 | |
| 1162 /* socket is already closed on worker shutdown */ | |
| 1163 | |
| 1164 handler = c->log->handler; | |
| 1165 c->log->handler = NULL; | |
| 1166 | |
| 1167 ngx_log_error(NGX_LOG_INFO, c->log, 0, "disconnected on shutdown"); | |
| 1168 | |
| 1169 c->log->handler = handler; | |
| 1170 | |
| 1171 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1172 return; | |
| 1173 } | |
| 1174 | |
|
6201
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1175 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
|
1176 |
| 6115 | 1177 if (from_upstream) { |
| 1178 src = pc; | |
| 1179 dst = c; | |
| 1180 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1181 limit_rate = pscf->download_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1182 received = &u->received; |
| 6115 | 1183 |
| 1184 } else { | |
| 1185 src = c; | |
| 1186 dst = pc; | |
| 1187 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1188 limit_rate = pscf->upload_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1189 received = &s->received; |
| 6115 | 1190 } |
| 1191 | |
| 1192 for ( ;; ) { | |
| 1193 | |
| 1194 if (do_write) { | |
| 1195 | |
| 1196 size = b->last - b->pos; | |
| 1197 | |
| 1198 if (size && dst && dst->write->ready) { | |
| 1199 | |
| 1200 n = dst->send(dst, b->pos, size); | |
| 1201 | |
| 6436 | 1202 if (n == NGX_AGAIN && dst->shared) { |
| 1203 /* cannot wait on a shared socket */ | |
| 1204 n = NGX_ERROR; | |
| 1205 } | |
| 1206 | |
| 6115 | 1207 if (n == NGX_ERROR) { |
| 6436 | 1208 if (c->type == SOCK_DGRAM && !from_upstream) { |
| 1209 ngx_stream_proxy_next_upstream(s); | |
| 1210 return; | |
| 1211 } | |
| 1212 | |
| 6115 | 1213 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1214 return; |
| 6115 | 1215 } |
| 1216 | |
| 1217 if (n > 0) { | |
| 1218 b->pos += n; | |
| 1219 | |
| 1220 if (b->pos == b->last) { | |
| 1221 b->pos = b->start; | |
| 1222 b->last = b->start; | |
| 1223 } | |
| 1224 } | |
| 1225 } | |
| 1226 } | |
| 1227 | |
| 1228 size = b->end - b->last; | |
| 1229 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1230 if (size && src->read->ready && !src->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1231 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1232 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1233 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
|
1234 - *received; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1235 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1236 if (limit <= 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1237 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1238 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
|
1239 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1240 break; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1241 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1242 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1243 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
parents:
6202
diff
changeset
|
1244 size = (size_t) limit; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1245 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1246 } |
| 6115 | 1247 |
| 1248 n = src->recv(src, b->last, size); | |
| 1249 | |
| 1250 if (n == NGX_AGAIN || n == 0) { | |
| 1251 break; | |
| 1252 } | |
| 1253 | |
| 1254 if (n > 0) { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1255 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1256 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1257 |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1258 if (delay > 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1259 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1260 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1261 } |
| 6115 | 1262 } |
| 1263 | |
| 6436 | 1264 if (c->type == SOCK_DGRAM && ++u->responses == pscf->responses) |
| 1265 { | |
| 1266 src->read->ready = 0; | |
| 1267 src->read->eof = 1; | |
| 1268 } | |
| 1269 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1270 *received += n; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1271 b->last += n; |
| 6115 | 1272 do_write = 1; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1273 |
| 6115 | 1274 continue; |
| 1275 } | |
| 1276 | |
| 1277 if (n == NGX_ERROR) { | |
| 6436 | 1278 if (c->type == SOCK_DGRAM && u->received == 0) { |
| 1279 ngx_stream_proxy_next_upstream(s); | |
| 1280 return; | |
| 1281 } | |
| 1282 | |
| 6115 | 1283 src->read->eof = 1; |
| 1284 } | |
| 1285 } | |
| 1286 | |
| 1287 break; | |
| 1288 } | |
| 1289 | |
| 1290 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1291 handler = c->log->handler; | |
| 1292 c->log->handler = NULL; | |
| 1293 | |
| 1294 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
|
6461
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
1295 "%s%s disconnected" |
| 6115 | 1296 ", bytes from/to client:%O/%O" |
| 1297 ", bytes from/to upstream:%O/%O", | |
|
6461
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
1298 src->type == SOCK_DGRAM ? "udp " : "", |
| 6115 | 1299 from_upstream ? "upstream" : "client", |
| 1300 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1301 | |
| 1302 c->log->handler = handler; | |
| 1303 | |
| 1304 ngx_stream_proxy_finalize(s, NGX_OK); | |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1305 return; |
| 6115 | 1306 } |
| 1307 | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1308 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
|
1309 |
| 6436 | 1310 if (!src->shared && ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1311 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1312 return; |
| 6115 | 1313 } |
| 1314 | |
| 1315 if (dst) { | |
| 6436 | 1316 if (!dst->shared && ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
| 6115 | 1317 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1318 return; |
| 6115 | 1319 } |
| 1320 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1321 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1322 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1323 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1324 } else if (c->write->timer_set) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1325 ngx_del_timer(c->write); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1326 } |
| 6115 | 1327 } |
| 1328 } | |
| 1329 | |
| 1330 | |
| 1331 static void | |
| 1332 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1333 { | |
| 1334 ngx_msec_t timeout; | |
| 1335 ngx_connection_t *pc; | |
| 1336 ngx_stream_upstream_t *u; | |
| 1337 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1338 | |
| 1339 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1340 "stream proxy next upstream"); | |
| 1341 | |
| 1342 u = s->upstream; | |
| 1343 | |
| 1344 if (u->peer.sockaddr) { | |
| 1345 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1346 u->peer.sockaddr = NULL; | |
| 1347 } | |
| 1348 | |
| 1349 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1350 | |
| 1351 timeout = pscf->next_upstream_timeout; | |
| 1352 | |
| 1353 if (u->peer.tries == 0 | |
| 1354 || !pscf->next_upstream | |
| 1355 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1356 { | |
| 1357 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1358 return; | |
| 1359 } | |
| 1360 | |
| 1361 pc = u->peer.connection; | |
| 1362 | |
| 1363 if (pc) { | |
| 1364 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1365 "close proxy upstream connection: %d", pc->fd); | |
| 1366 | |
| 1367 #if (NGX_STREAM_SSL) | |
| 1368 if (pc->ssl) { | |
| 1369 pc->ssl->no_wait_shutdown = 1; | |
| 1370 pc->ssl->no_send_shutdown = 1; | |
| 1371 | |
| 1372 (void) ngx_ssl_shutdown(pc); | |
| 1373 } | |
| 1374 #endif | |
| 1375 | |
| 1376 ngx_close_connection(pc); | |
| 1377 u->peer.connection = NULL; | |
| 1378 } | |
| 1379 | |
| 1380 ngx_stream_proxy_connect(s); | |
| 1381 } | |
| 1382 | |
| 1383 | |
| 1384 static void | |
| 1385 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1386 { | |
| 1387 ngx_connection_t *pc; | |
| 1388 ngx_stream_upstream_t *u; | |
| 1389 | |
| 1390 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1391 "finalize stream proxy: %i", rc); | |
| 1392 | |
| 1393 u = s->upstream; | |
| 1394 | |
| 1395 if (u == NULL) { | |
| 1396 goto noupstream; | |
| 1397 } | |
| 1398 | |
| 1399 if (u->peer.free && u->peer.sockaddr) { | |
| 1400 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1401 u->peer.sockaddr = NULL; | |
| 1402 } | |
| 1403 | |
| 1404 pc = u->peer.connection; | |
| 1405 | |
| 1406 if (pc) { | |
| 1407 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1408 "close stream proxy upstream connection: %d", pc->fd); | |
| 1409 | |
| 1410 #if (NGX_STREAM_SSL) | |
| 1411 if (pc->ssl) { | |
| 1412 pc->ssl->no_wait_shutdown = 1; | |
| 1413 (void) ngx_ssl_shutdown(pc); | |
| 1414 } | |
| 1415 #endif | |
| 1416 | |
| 1417 ngx_close_connection(pc); | |
| 1418 u->peer.connection = NULL; | |
| 1419 } | |
| 1420 | |
| 1421 noupstream: | |
| 1422 | |
| 1423 ngx_stream_close_connection(s->connection); | |
| 1424 } | |
| 1425 | |
| 1426 | |
| 1427 static u_char * | |
| 1428 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1429 { | |
| 1430 u_char *p; | |
| 1431 ngx_connection_t *pc; | |
| 1432 ngx_stream_session_t *s; | |
| 1433 ngx_stream_upstream_t *u; | |
| 1434 | |
| 1435 s = log->data; | |
| 1436 | |
| 1437 u = s->upstream; | |
| 1438 | |
| 1439 p = buf; | |
| 1440 | |
| 1441 if (u->peer.name) { | |
| 1442 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1443 len -= p - buf; | |
| 1444 } | |
| 1445 | |
| 1446 pc = u->peer.connection; | |
| 1447 | |
| 1448 p = ngx_snprintf(p, len, | |
| 1449 ", bytes from/to client:%O/%O" | |
| 1450 ", bytes from/to upstream:%O/%O", | |
| 1451 s->received, s->connection->sent, | |
| 1452 u->received, pc ? pc->sent : 0); | |
| 1453 | |
| 1454 return p; | |
| 1455 } | |
| 1456 | |
| 1457 | |
| 1458 static void * | |
| 1459 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1460 { | |
| 1461 ngx_stream_proxy_srv_conf_t *conf; | |
| 1462 | |
| 1463 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1464 if (conf == NULL) { | |
| 1465 return NULL; | |
| 1466 } | |
| 1467 | |
| 1468 /* | |
| 1469 * set by ngx_pcalloc(): | |
| 1470 * | |
| 1471 * conf->ssl_protocols = 0; | |
| 1472 * conf->ssl_ciphers = { 0, NULL }; | |
| 1473 * conf->ssl_name = { 0, NULL }; | |
| 1474 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1475 * conf->ssl_crl = { 0, NULL }; | |
| 1476 * conf->ssl_certificate = { 0, NULL }; | |
| 1477 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1478 * | |
| 1479 * conf->ssl = NULL; | |
| 1480 * conf->upstream = NULL; | |
| 1481 */ | |
| 1482 | |
| 1483 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1484 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1485 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1486 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1487 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1488 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6436 | 1489 conf->responses = NGX_CONF_UNSET_UINT; |
| 6115 | 1490 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1491 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1492 conf->proxy_protocol = NGX_CONF_UNSET; |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1493 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1494 |
| 1495 #if (NGX_STREAM_SSL) | |
| 1496 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1497 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1498 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1499 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1500 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1501 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1502 #endif | |
| 1503 | |
| 1504 return conf; | |
| 1505 } | |
| 1506 | |
| 1507 | |
| 1508 static char * | |
| 1509 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1510 { | |
| 1511 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1512 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1513 | |
| 1514 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1515 prev->connect_timeout, 60000); | |
| 1516 | |
| 1517 ngx_conf_merge_msec_value(conf->timeout, | |
| 1518 prev->timeout, 10 * 60000); | |
| 1519 | |
| 1520 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1521 prev->next_upstream_timeout, 0); | |
| 1522 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1523 ngx_conf_merge_size_value(conf->buffer_size, |
|
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1524 prev->buffer_size, 16384); |
| 6115 | 1525 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1526 ngx_conf_merge_size_value(conf->upload_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1527 prev->upload_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1528 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1529 ngx_conf_merge_size_value(conf->download_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1530 prev->download_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1531 |
| 6436 | 1532 ngx_conf_merge_uint_value(conf->responses, |
| 1533 prev->responses, NGX_MAX_INT32_VALUE); | |
| 1534 | |
| 6115 | 1535 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1536 prev->next_upstream_tries, 0); | |
| 1537 | |
| 1538 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1539 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1540 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1541 |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1542 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1543 |
| 6115 | 1544 #if (NGX_STREAM_SSL) |
| 1545 | |
| 1546 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1547 | |
| 1548 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1549 prev->ssl_session_reuse, 1); | |
| 1550 | |
| 1551 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
|
6157
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1552 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1553 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1554 |
| 1555 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1556 | |
| 1557 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1558 | |
| 1559 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1560 | |
| 1561 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1562 | |
| 1563 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1564 prev->ssl_verify_depth, 1); | |
| 1565 | |
| 1566 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1567 prev->ssl_trusted_certificate, ""); | |
| 1568 | |
| 1569 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1570 | |
| 1571 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1572 prev->ssl_certificate, ""); | |
| 1573 | |
| 1574 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1575 prev->ssl_certificate_key, ""); | |
| 1576 | |
| 1577 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1578 | |
| 1579 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1580 return NGX_CONF_ERROR; | |
| 1581 } | |
| 1582 | |
| 1583 #endif | |
| 1584 | |
| 1585 return NGX_CONF_OK; | |
| 1586 } | |
| 1587 | |
| 1588 | |
| 1589 #if (NGX_STREAM_SSL) | |
| 1590 | |
| 1591 static ngx_int_t | |
| 1592 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1593 { | |
| 1594 ngx_pool_cleanup_t *cln; | |
| 1595 | |
| 1596 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1597 if (pscf->ssl == NULL) { | |
| 1598 return NGX_ERROR; | |
| 1599 } | |
| 1600 | |
| 1601 pscf->ssl->log = cf->log; | |
| 1602 | |
| 1603 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1604 return NGX_ERROR; | |
| 1605 } | |
| 1606 | |
| 1607 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1608 if (cln == NULL) { | |
| 1609 return NGX_ERROR; | |
| 1610 } | |
| 1611 | |
| 1612 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1613 cln->data = pscf->ssl; | |
| 1614 | |
| 1615 if (pscf->ssl_certificate.len) { | |
| 1616 | |
| 1617 if (pscf->ssl_certificate_key.len == 0) { | |
| 1618 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1619 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1620 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1621 return NGX_ERROR; | |
| 1622 } | |
| 1623 | |
| 1624 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1625 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1626 != NGX_OK) | |
| 1627 { | |
| 1628 return NGX_ERROR; | |
| 1629 } | |
| 1630 } | |
| 1631 | |
|
6591
04d8d1f85649
SSL: ngx_ssl_ciphers() to set list of ciphers.
Tim Taubert <tim@timtaubert.de>
parents:
6530
diff
changeset
|
1632 if (ngx_ssl_ciphers(cf, pscf->ssl, &pscf->ssl_ciphers, 0) != NGX_OK) { |
| 6115 | 1633 return NGX_ERROR; |
| 1634 } | |
| 1635 | |
| 1636 if (pscf->ssl_verify) { | |
| 1637 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1638 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1639 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1640 return NGX_ERROR; | |
| 1641 } | |
| 1642 | |
| 1643 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1644 &pscf->ssl_trusted_certificate, | |
| 1645 pscf->ssl_verify_depth) | |
| 1646 != NGX_OK) | |
| 1647 { | |
| 1648 return NGX_ERROR; | |
| 1649 } | |
| 1650 | |
| 1651 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1652 return NGX_ERROR; | |
| 1653 } | |
| 1654 } | |
| 1655 | |
| 1656 return NGX_OK; | |
| 1657 } | |
| 1658 | |
| 1659 #endif | |
| 1660 | |
| 1661 | |
| 1662 static char * | |
| 1663 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1664 { | |
| 1665 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1666 | |
| 1667 ngx_url_t u; | |
| 1668 ngx_str_t *value, *url; | |
| 1669 ngx_stream_core_srv_conf_t *cscf; | |
| 1670 | |
| 1671 if (pscf->upstream) { | |
| 1672 return "is duplicate"; | |
| 1673 } | |
| 1674 | |
| 1675 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1676 | |
| 1677 cscf->handler = ngx_stream_proxy_handler; | |
| 1678 | |
| 1679 value = cf->args->elts; | |
| 1680 | |
| 1681 url = &value[1]; | |
| 1682 | |
| 1683 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1684 | |
| 1685 u.url = *url; | |
| 1686 u.no_resolve = 1; | |
| 1687 | |
| 1688 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1689 if (pscf->upstream == NULL) { | |
| 1690 return NGX_CONF_ERROR; | |
| 1691 } | |
| 1692 | |
| 1693 return NGX_CONF_OK; | |
| 1694 } | |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1695 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1696 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
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|
1697 static char * |
|
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Stream: the "proxy_bind" directive.
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|
1698 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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|
1699 { |
|
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Stream: the "proxy_bind" directive.
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|
1700 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
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Stream: the "proxy_bind" directive.
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|
1701 |
|
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|
1702 ngx_int_t rc; |
|
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|
1703 ngx_str_t *value; |
|
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Stream: prepared proxy_bind to accept parameters.
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|
1704 ngx_stream_upstream_local_t *local; |
|
6183
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Stream: the "proxy_bind" directive.
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|
1705 |
|
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Stream: the "proxy_bind" directive.
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|
1706 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
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Stream: the "proxy_bind" directive.
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diff
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|
1707 return "is duplicate"; |
|
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Stream: the "proxy_bind" directive.
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|
1708 } |
|
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Stream: the "proxy_bind" directive.
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|
1709 |
|
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|
1710 value = cf->args->elts; |
|
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Stream: the "proxy_bind" directive.
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changeset
|
1711 |
|
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|
1712 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "off") == 0) { |
|
6183
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|
1713 pscf->local = NULL; |
|
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|
1714 return NGX_CONF_OK; |
|
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|
1715 } |
|
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Stream: the "proxy_bind" directive.
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|
1716 |
|
6598
4a724d6006ee
Stream: use ngx_pcalloc() in ngx_stream_proxy_bind().
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1717 local = ngx_pcalloc(cf->pool, sizeof(ngx_stream_upstream_local_t)); |
|
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|
1718 if (local == NULL) { |
|
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|
1719 return NGX_CONF_ERROR; |
|
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|
1720 } |
|
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Stream: the "proxy_bind" directive.
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|
1721 |
|
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|
1722 pscf->local = local; |
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|
1723 |
|
6595
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Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
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|
1724 if (ngx_strcmp(value[1].data, "$remote_addr") == 0) { |
|
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Stream: support for $remote_port in proxy_bind.
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|
1725 local->no_port = 1; |
|
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|
1726 |
|
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Stream: support for $remote_port in proxy_bind.
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|
1727 } else if (ngx_strcmp(value[1].data, "$remote_addr:$remote_port") != 0 |
|
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|
1728 && ngx_strcmp(value[1].data, "[$remote_addr]:$remote_port") != 0) |
|
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Stream: support for $remote_port in proxy_bind.
Roman Arutyunyan <arut@nginx.com>
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|
1729 { |
|
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|
1730 local->addr = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
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|
1731 if (local->addr == NULL) { |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1732 return NGX_CONF_ERROR; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
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|
1733 } |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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|
1734 |
|
6594
3c87b82b17d4
Upstream: support for port in proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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6593
diff
changeset
|
1735 rc = ngx_parse_addr_port(cf->pool, local->addr, value[1].data, |
|
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Upstream: support for port in proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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6593
diff
changeset
|
1736 value[1].len); |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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|
1737 |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1738 switch (rc) { |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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|
1739 case NGX_OK: |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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|
1740 local->addr->name = value[1]; |
|
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Roman Arutyunyan <arut@nginx.com>
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|
1741 break; |
|
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Roman Arutyunyan <arut@nginx.com>
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|
1742 |
|
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diff
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|
1743 case NGX_DECLINED: |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
changeset
|
1744 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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|
1745 "invalid address \"%V\"", &value[1]); |
|
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|
1746 /* fall through */ |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1747 |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
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|
1748 default: |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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|
1749 return NGX_CONF_ERROR; |
|
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Roman Arutyunyan <arut@nginx.com>
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|
1750 } |
|
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|
1751 } |
|
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|
1752 |
|
6530
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1753 if (cf->args->nelts > 2) { |
|
1d0e03db9f8e
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1754 if (ngx_strcmp(value[2].data, "transparent") == 0) { |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
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|
1755 #if (NGX_HAVE_TRANSPARENT_PROXY) |
|
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diff
changeset
|
1756 local->transparent = 1; |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
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|
1757 #else |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
changeset
|
1758 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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parents:
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diff
changeset
|
1759 "transparent proxying is not supported " |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
changeset
|
1760 "on this platform, ignored"); |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1761 #endif |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1762 } else { |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1763 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
1764 "invalid parameter \"%V\"", &value[2]); |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1765 return NGX_CONF_ERROR; |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1766 } |
|
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|
1767 } |
|
6529
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|
1768 |
|
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Stream: prepared proxy_bind to accept parameters.
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diff
changeset
|
1769 return NGX_CONF_OK; |
|
6183
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Stream: the "proxy_bind" directive.
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|
1770 } |