Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6436:8f038068f4bc
Stream: UDP proxy.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Wed, 20 Jan 2016 19:52:12 +0300 |
| parents | d1c791479bbb |
| children | a01e315b3a78 |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 typedef struct { | |
| 14 ngx_msec_t connect_timeout; | |
| 15 ngx_msec_t timeout; | |
| 16 ngx_msec_t next_upstream_timeout; | |
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17 size_t buffer_size; |
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18 size_t upload_rate; |
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19 size_t download_rate; |
| 6436 | 20 ngx_uint_t responses; |
| 6115 | 21 ngx_uint_t next_upstream_tries; |
| 22 ngx_flag_t next_upstream; | |
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23 ngx_flag_t proxy_protocol; |
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24 ngx_addr_t *local; |
| 6115 | 25 |
| 26 #if (NGX_STREAM_SSL) | |
| 27 ngx_flag_t ssl_enable; | |
| 28 ngx_flag_t ssl_session_reuse; | |
| 29 ngx_uint_t ssl_protocols; | |
| 30 ngx_str_t ssl_ciphers; | |
| 31 ngx_str_t ssl_name; | |
| 32 ngx_flag_t ssl_server_name; | |
| 33 | |
| 34 ngx_flag_t ssl_verify; | |
| 35 ngx_uint_t ssl_verify_depth; | |
| 36 ngx_str_t ssl_trusted_certificate; | |
| 37 ngx_str_t ssl_crl; | |
| 38 ngx_str_t ssl_certificate; | |
| 39 ngx_str_t ssl_certificate_key; | |
| 40 ngx_array_t *ssl_passwords; | |
| 41 | |
| 42 ngx_ssl_t *ssl; | |
| 43 #endif | |
| 44 | |
| 45 ngx_stream_upstream_srv_conf_t *upstream; | |
| 46 } ngx_stream_proxy_srv_conf_t; | |
| 47 | |
| 48 | |
| 49 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
| 50 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
| 51 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
| 52 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
| 53 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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54 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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55 ngx_uint_t from_upstream); |
| 6115 | 56 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
| 57 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
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58 static void ngx_stream_proxy_process(ngx_stream_session_t *s, |
| 6115 | 59 ngx_uint_t from_upstream, ngx_uint_t do_write); |
| 60 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
| 61 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
| 62 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
| 63 size_t len); | |
| 64 | |
| 65 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
| 66 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| 67 void *child); | |
| 68 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 69 void *conf); | |
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70 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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71 void *conf); |
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72 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
| 6115 | 73 |
| 74 #if (NGX_STREAM_SSL) | |
| 75 | |
| 76 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
| 77 ngx_command_t *cmd, void *conf); | |
| 78 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
| 79 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
| 80 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
| 81 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
| 82 ngx_stream_proxy_srv_conf_t *pscf); | |
| 83 | |
| 84 | |
| 85 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
| 86 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 87 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 88 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 89 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 90 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 91 { ngx_null_string, 0 } | |
| 92 }; | |
| 93 | |
| 94 #endif | |
| 95 | |
| 96 | |
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97 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_downstream_buffer = { |
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98 ngx_conf_deprecated, "proxy_downstream_buffer", "proxy_buffer_size" |
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99 }; |
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100 |
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101 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_upstream_buffer = { |
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102 ngx_conf_deprecated, "proxy_upstream_buffer", "proxy_buffer_size" |
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103 }; |
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104 |
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105 |
| 6115 | 106 static ngx_command_t ngx_stream_proxy_commands[] = { |
| 107 | |
| 108 { ngx_string("proxy_pass"), | |
| 109 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 110 ngx_stream_proxy_pass, | |
| 111 NGX_STREAM_SRV_CONF_OFFSET, | |
| 112 0, | |
| 113 NULL }, | |
| 114 | |
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115 { ngx_string("proxy_bind"), |
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116 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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117 ngx_stream_proxy_bind, |
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118 NGX_STREAM_SRV_CONF_OFFSET, |
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119 0, |
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120 NULL }, |
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121 |
| 6115 | 122 { ngx_string("proxy_connect_timeout"), |
| 123 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 124 ngx_conf_set_msec_slot, | |
| 125 NGX_STREAM_SRV_CONF_OFFSET, | |
| 126 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 127 NULL }, | |
| 128 | |
| 129 { ngx_string("proxy_timeout"), | |
| 130 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 131 ngx_conf_set_msec_slot, | |
| 132 NGX_STREAM_SRV_CONF_OFFSET, | |
| 133 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
| 134 NULL }, | |
| 135 | |
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136 { ngx_string("proxy_buffer_size"), |
| 6115 | 137 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
| 138 ngx_conf_set_size_slot, | |
| 139 NGX_STREAM_SRV_CONF_OFFSET, | |
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140 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
| 6115 | 141 NULL }, |
| 142 | |
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143 { ngx_string("proxy_downstream_buffer"), |
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144 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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145 ngx_conf_set_size_slot, |
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146 NGX_STREAM_SRV_CONF_OFFSET, |
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147 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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148 &ngx_conf_deprecated_proxy_downstream_buffer }, |
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149 |
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150 { ngx_string("proxy_upstream_buffer"), |
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151 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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152 ngx_conf_set_size_slot, |
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153 NGX_STREAM_SRV_CONF_OFFSET, |
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154 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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155 &ngx_conf_deprecated_proxy_upstream_buffer }, |
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156 |
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157 { ngx_string("proxy_upload_rate"), |
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158 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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159 ngx_conf_set_size_slot, |
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160 NGX_STREAM_SRV_CONF_OFFSET, |
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161 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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162 NULL }, |
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163 |
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164 { ngx_string("proxy_download_rate"), |
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165 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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166 ngx_conf_set_size_slot, |
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167 NGX_STREAM_SRV_CONF_OFFSET, |
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168 offsetof(ngx_stream_proxy_srv_conf_t, download_rate), |
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169 NULL }, |
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170 |
| 6436 | 171 { ngx_string("proxy_responses"), |
| 172 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 173 ngx_conf_set_num_slot, | |
| 174 NGX_STREAM_SRV_CONF_OFFSET, | |
| 175 offsetof(ngx_stream_proxy_srv_conf_t, responses), | |
| 176 NULL }, | |
| 177 | |
| 6115 | 178 { ngx_string("proxy_next_upstream"), |
| 179 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 180 ngx_conf_set_flag_slot, | |
| 181 NGX_STREAM_SRV_CONF_OFFSET, | |
| 182 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 183 NULL }, | |
| 184 | |
| 185 { ngx_string("proxy_next_upstream_tries"), | |
| 186 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 187 ngx_conf_set_num_slot, | |
| 188 NGX_STREAM_SRV_CONF_OFFSET, | |
| 189 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 190 NULL }, | |
| 191 | |
| 192 { ngx_string("proxy_next_upstream_timeout"), | |
| 193 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 194 ngx_conf_set_msec_slot, | |
| 195 NGX_STREAM_SRV_CONF_OFFSET, | |
| 196 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 197 NULL }, | |
| 198 | |
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199 { ngx_string("proxy_protocol"), |
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200 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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201 ngx_conf_set_flag_slot, |
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202 NGX_STREAM_SRV_CONF_OFFSET, |
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203 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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204 NULL }, |
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205 |
| 6115 | 206 #if (NGX_STREAM_SSL) |
| 207 | |
| 208 { ngx_string("proxy_ssl"), | |
| 209 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 210 ngx_conf_set_flag_slot, | |
| 211 NGX_STREAM_SRV_CONF_OFFSET, | |
| 212 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 213 NULL }, | |
| 214 | |
| 215 { ngx_string("proxy_ssl_session_reuse"), | |
| 216 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 217 ngx_conf_set_flag_slot, | |
| 218 NGX_STREAM_SRV_CONF_OFFSET, | |
| 219 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 220 NULL }, | |
| 221 | |
| 222 { ngx_string("proxy_ssl_protocols"), | |
| 223 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 224 ngx_conf_set_bitmask_slot, | |
| 225 NGX_STREAM_SRV_CONF_OFFSET, | |
| 226 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 227 &ngx_stream_proxy_ssl_protocols }, | |
| 228 | |
| 229 { ngx_string("proxy_ssl_ciphers"), | |
| 230 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 231 ngx_conf_set_str_slot, | |
| 232 NGX_STREAM_SRV_CONF_OFFSET, | |
| 233 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 234 NULL }, | |
| 235 | |
| 236 { ngx_string("proxy_ssl_name"), | |
| 237 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 238 ngx_conf_set_str_slot, | |
| 239 NGX_STREAM_SRV_CONF_OFFSET, | |
| 240 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 241 NULL }, | |
| 242 | |
| 243 { ngx_string("proxy_ssl_server_name"), | |
| 244 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 245 ngx_conf_set_flag_slot, | |
| 246 NGX_STREAM_SRV_CONF_OFFSET, | |
| 247 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
| 248 NULL }, | |
| 249 | |
| 250 { ngx_string("proxy_ssl_verify"), | |
| 251 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 252 ngx_conf_set_flag_slot, | |
| 253 NGX_STREAM_SRV_CONF_OFFSET, | |
| 254 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 255 NULL }, | |
| 256 | |
| 257 { ngx_string("proxy_ssl_verify_depth"), | |
| 258 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 259 ngx_conf_set_num_slot, | |
| 260 NGX_STREAM_SRV_CONF_OFFSET, | |
| 261 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 262 NULL }, | |
| 263 | |
| 264 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 265 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 266 ngx_conf_set_str_slot, | |
| 267 NGX_STREAM_SRV_CONF_OFFSET, | |
| 268 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
| 269 NULL }, | |
| 270 | |
| 271 { ngx_string("proxy_ssl_crl"), | |
| 272 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 273 ngx_conf_set_str_slot, | |
| 274 NGX_STREAM_SRV_CONF_OFFSET, | |
| 275 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 276 NULL }, | |
| 277 | |
| 278 { ngx_string("proxy_ssl_certificate"), | |
| 279 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 280 ngx_conf_set_str_slot, | |
| 281 NGX_STREAM_SRV_CONF_OFFSET, | |
| 282 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 283 NULL }, | |
| 284 | |
| 285 { ngx_string("proxy_ssl_certificate_key"), | |
| 286 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 287 ngx_conf_set_str_slot, | |
| 288 NGX_STREAM_SRV_CONF_OFFSET, | |
| 289 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 290 NULL }, | |
| 291 | |
| 292 { ngx_string("proxy_ssl_password_file"), | |
| 293 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 294 ngx_stream_proxy_ssl_password_file, | |
| 295 NGX_STREAM_SRV_CONF_OFFSET, | |
| 296 0, | |
| 297 NULL }, | |
| 298 | |
| 299 #endif | |
| 300 | |
| 301 ngx_null_command | |
| 302 }; | |
| 303 | |
| 304 | |
| 305 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
|
6174
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
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parents:
6157
diff
changeset
|
306 NULL, /* postconfiguration */ |
|
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Stream: added postconfiguration method to stream modules.
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6157
diff
changeset
|
307 |
| 6115 | 308 NULL, /* create main configuration */ |
| 309 NULL, /* init main configuration */ | |
| 310 | |
| 311 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 312 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 313 }; | |
| 314 | |
| 315 | |
| 316 ngx_module_t ngx_stream_proxy_module = { | |
| 317 NGX_MODULE_V1, | |
| 318 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 319 ngx_stream_proxy_commands, /* module directives */ | |
| 320 NGX_STREAM_MODULE, /* module type */ | |
| 321 NULL, /* init master */ | |
| 322 NULL, /* init module */ | |
| 323 NULL, /* init process */ | |
| 324 NULL, /* init thread */ | |
| 325 NULL, /* exit thread */ | |
| 326 NULL, /* exit process */ | |
| 327 NULL, /* exit master */ | |
| 328 NGX_MODULE_V1_PADDING | |
| 329 }; | |
| 330 | |
| 331 | |
| 332 static void | |
| 333 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 334 { | |
| 335 u_char *p; | |
| 336 ngx_connection_t *c; | |
| 337 ngx_stream_upstream_t *u; | |
| 338 ngx_stream_proxy_srv_conf_t *pscf; | |
| 339 ngx_stream_upstream_srv_conf_t *uscf; | |
| 340 | |
| 341 c = s->connection; | |
| 342 | |
| 343 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 344 | |
| 345 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 346 "proxy connection handler"); | |
| 347 | |
| 348 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 349 if (u == NULL) { | |
| 350 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 351 return; | |
| 352 } | |
| 353 | |
| 354 s->upstream = u; | |
| 355 | |
| 356 s->log_handler = ngx_stream_proxy_log_error; | |
| 357 | |
| 358 u->peer.log = c->log; | |
| 359 u->peer.log_error = NGX_ERROR_ERR; | |
| 360 | |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
361 u->peer.local = pscf->local; |
| 6436 | 362 u->peer.type = c->type; |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
363 |
| 6115 | 364 uscf = pscf->upstream; |
| 365 | |
| 366 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 367 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 368 return; | |
| 369 } | |
| 370 | |
| 371 u->peer.start_time = ngx_current_msec; | |
| 372 | |
| 373 if (pscf->next_upstream_tries | |
| 374 && u->peer.tries > pscf->next_upstream_tries) | |
| 375 { | |
| 376 u->peer.tries = pscf->next_upstream_tries; | |
| 377 } | |
| 378 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
379 u->proxy_protocol = pscf->proxy_protocol; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
380 u->start_sec = ngx_time(); |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
381 |
| 6436 | 382 c->write->handler = ngx_stream_proxy_downstream_handler; |
| 383 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 384 | |
| 385 if (c->type == SOCK_DGRAM) { | |
| 386 ngx_stream_proxy_connect(s); | |
| 387 return; | |
| 388 } | |
| 389 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
390 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 391 if (p == NULL) { |
| 392 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 393 return; | |
| 394 } | |
| 395 | |
| 396 u->downstream_buf.start = p; | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
397 u->downstream_buf.end = p + pscf->buffer_size; |
| 6115 | 398 u->downstream_buf.pos = p; |
| 399 u->downstream_buf.last = p; | |
| 400 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
401 if (u->proxy_protocol |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
402 #if (NGX_STREAM_SSL) |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
403 && pscf->ssl == NULL |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
404 #endif |
| 6216 | 405 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER) |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
406 { |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
407 /* optimization for a typical case */ |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
408 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
409 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
410 "stream proxy send PROXY protocol header"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
411 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
412 p = ngx_proxy_protocol_write(c, u->downstream_buf.last, |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
413 u->downstream_buf.end); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
414 if (p == NULL) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
415 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
416 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
417 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
418 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
419 u->downstream_buf.last = p; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
420 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
421 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
422 |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
423 if (c->read->ready) { |
|
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
424 ngx_post_event(c->read, &ngx_posted_events); |
| 6115 | 425 } |
| 426 | |
| 427 ngx_stream_proxy_connect(s); | |
| 428 } | |
| 429 | |
| 430 | |
| 431 static void | |
| 432 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 433 { | |
| 434 ngx_int_t rc; | |
| 435 ngx_connection_t *c, *pc; | |
| 436 ngx_stream_upstream_t *u; | |
| 437 ngx_stream_proxy_srv_conf_t *pscf; | |
| 438 | |
| 439 c = s->connection; | |
| 440 | |
| 441 c->log->action = "connecting to upstream"; | |
| 442 | |
| 443 u = s->upstream; | |
| 444 | |
| 445 rc = ngx_event_connect_peer(&u->peer); | |
| 446 | |
| 447 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 448 | |
| 449 if (rc == NGX_ERROR) { | |
| 450 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 451 return; | |
| 452 } | |
| 453 | |
| 454 if (rc == NGX_BUSY) { | |
| 455 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 456 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 457 return; | |
| 458 } | |
| 459 | |
| 460 if (rc == NGX_DECLINED) { | |
| 461 ngx_stream_proxy_next_upstream(s); | |
| 462 return; | |
| 463 } | |
| 464 | |
| 465 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 466 | |
| 467 pc = u->peer.connection; | |
| 468 | |
| 469 pc->data = s; | |
| 470 pc->log = c->log; | |
| 471 pc->pool = c->pool; | |
| 472 pc->read->log = c->log; | |
| 473 pc->write->log = c->log; | |
| 474 | |
| 475 if (rc != NGX_AGAIN) { | |
| 476 ngx_stream_proxy_init_upstream(s); | |
| 477 return; | |
| 478 } | |
| 479 | |
| 480 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 481 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 482 | |
|
6393
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
483 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
484 |
| 6115 | 485 ngx_add_timer(pc->write, pscf->connect_timeout); |
| 486 } | |
| 487 | |
| 488 | |
| 489 static void | |
| 490 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 491 { | |
| 6222 | 492 int tcp_nodelay; |
| 6115 | 493 u_char *p; |
| 494 ngx_connection_t *c, *pc; | |
| 495 ngx_log_handler_pt handler; | |
| 496 ngx_stream_upstream_t *u; | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
497 ngx_stream_core_srv_conf_t *cscf; |
| 6115 | 498 ngx_stream_proxy_srv_conf_t *pscf; |
| 499 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
500 u = s->upstream; |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
501 pc = u->peer.connection; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
502 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
503 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
504 |
| 6436 | 505 if (pc->type == SOCK_STREAM |
| 506 && cscf->tcp_nodelay | |
| 507 && pc->tcp_nodelay == NGX_TCP_NODELAY_UNSET) | |
| 508 { | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
509 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, pc->log, 0, "tcp_nodelay"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
510 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
511 tcp_nodelay = 1; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
512 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
513 if (setsockopt(pc->fd, IPPROTO_TCP, TCP_NODELAY, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
514 (const void *) &tcp_nodelay, sizeof(int)) == -1) |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
515 { |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
516 ngx_connection_error(pc, ngx_socket_errno, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
517 "setsockopt(TCP_NODELAY) failed"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
518 ngx_stream_proxy_next_upstream(s); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
519 return; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
520 } |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
521 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
522 pc->tcp_nodelay = NGX_TCP_NODELAY_SET; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
523 } |
| 6115 | 524 |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
525 if (u->proxy_protocol) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
526 if (ngx_stream_proxy_send_proxy_protocol(s) != NGX_OK) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
527 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
528 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
529 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
530 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
531 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
532 |
|
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
533 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 534 |
| 535 #if (NGX_STREAM_SSL) | |
| 6436 | 536 if (pc->type == SOCK_STREAM && pscf->ssl && pc->ssl == NULL) { |
| 6115 | 537 ngx_stream_proxy_ssl_init_connection(s); |
| 538 return; | |
| 539 } | |
| 540 #endif | |
| 541 | |
| 542 c = s->connection; | |
| 543 | |
| 544 if (c->log->log_level >= NGX_LOG_INFO) { | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
545 ngx_str_t str; |
| 6115 | 546 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 547 | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
548 str.len = NGX_SOCKADDR_STRLEN; |
|
2a621245f4cf
Win32: MSVC 2015 compatibility.
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parents:
6222
diff
changeset
|
549 str.data = addr; |
| 6115 | 550 |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
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parents:
6222
diff
changeset
|
551 if (ngx_connection_local_sockaddr(pc, &str, 1) == NGX_OK) { |
| 6115 | 552 handler = c->log->handler; |
| 553 c->log->handler = NULL; | |
| 554 | |
| 555 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
|
6230
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Win32: MSVC 2015 compatibility.
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6222
diff
changeset
|
556 &str, u->peer.name); |
| 6115 | 557 |
| 558 c->log->handler = handler; | |
| 559 } | |
| 560 } | |
| 561 | |
| 562 c->log->action = "proxying connection"; | |
| 563 | |
| 6436 | 564 if (u->upstream_buf.start == NULL) { |
| 565 p = ngx_pnalloc(c->pool, pscf->buffer_size); | |
| 566 if (p == NULL) { | |
| 567 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 568 return; | |
| 569 } | |
| 570 | |
| 571 u->upstream_buf.start = p; | |
| 572 u->upstream_buf.end = p + pscf->buffer_size; | |
| 573 u->upstream_buf.pos = p; | |
| 574 u->upstream_buf.last = p; | |
| 6115 | 575 } |
| 576 | |
| 6436 | 577 if (c->type == SOCK_DGRAM) { |
| 578 s->received = c->buffer->last - c->buffer->pos; | |
| 579 u->downstream_buf = *c->buffer; | |
| 580 | |
| 581 if (pscf->responses == 0) { | |
| 582 pc->read->ready = 0; | |
| 583 pc->read->eof = 1; | |
| 584 } | |
| 585 } | |
| 6115 | 586 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
587 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
588 |
| 6115 | 589 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 590 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 591 | |
| 6436 | 592 if (pc->read->ready || pc->read->eof) { |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
593 ngx_post_event(pc->read, &ngx_posted_events); |
| 6115 | 594 } |
| 595 | |
| 596 ngx_stream_proxy_process(s, 0, 1); | |
| 597 } | |
| 598 | |
| 599 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
600 static ngx_int_t |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
601 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
|
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Stream: client-side PROXY protocol.
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parents:
6183
diff
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|
602 { |
|
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Stream: client-side PROXY protocol.
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diff
changeset
|
603 u_char *p; |
|
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
604 ssize_t n, size; |
|
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Stream: client-side PROXY protocol.
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diff
changeset
|
605 ngx_connection_t *c, *pc; |
|
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
606 ngx_stream_upstream_t *u; |
|
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
607 ngx_stream_proxy_srv_conf_t *pscf; |
|
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Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
608 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
609 |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
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diff
changeset
|
610 c = s->connection; |
|
fa663739e115
Stream: client-side PROXY protocol.
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parents:
6183
diff
changeset
|
611 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
612 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
|
613 "stream proxy send PROXY protocol header"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
614 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
615 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
|
616 if (p == NULL) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
617 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
618 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
619 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
620 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
621 u = s->upstream; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
622 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
623 pc = u->peer.connection; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
624 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
625 size = p - buf; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
626 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
627 n = pc->send(pc, buf, size); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
628 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
629 if (n == NGX_AGAIN) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
630 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
631 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
632 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
633 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
634 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
635 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
636 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
637 ngx_add_timer(pc->write, pscf->timeout); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
638 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
639 pc->write->handler = ngx_stream_proxy_connect_handler; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
640 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
641 return NGX_AGAIN; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
642 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
643 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
644 if (n == NGX_ERROR) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
645 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
646 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
647 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
648 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
649 if (n != size) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
650 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
651 /* |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
652 * PROXY protocol specification: |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
653 * The sender must always ensure that the header |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
654 * is sent at once, so that the transport layer |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
655 * maintains atomicity along the path to the receiver. |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
656 */ |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
657 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
658 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
659 "could not send PROXY protocol header at once"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
660 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
661 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
662 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
663 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
664 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
665 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
666 return NGX_OK; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
667 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
668 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
669 |
| 6115 | 670 #if (NGX_STREAM_SSL) |
| 671 | |
| 672 static char * | |
| 673 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 674 void *conf) | |
| 675 { | |
| 676 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 677 | |
| 678 ngx_str_t *value; | |
| 679 | |
| 680 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 681 return "is duplicate"; | |
| 682 } | |
| 683 | |
| 684 value = cf->args->elts; | |
| 685 | |
| 686 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 687 | |
| 688 if (pscf->ssl_passwords == NULL) { | |
| 689 return NGX_CONF_ERROR; | |
| 690 } | |
| 691 | |
| 692 return NGX_CONF_OK; | |
| 693 } | |
| 694 | |
| 695 | |
| 696 static void | |
| 697 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 698 { | |
| 699 ngx_int_t rc; | |
| 700 ngx_connection_t *pc; | |
| 701 ngx_stream_upstream_t *u; | |
| 702 ngx_stream_proxy_srv_conf_t *pscf; | |
| 703 | |
| 704 u = s->upstream; | |
| 705 | |
| 706 pc = u->peer.connection; | |
| 707 | |
| 708 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 709 | |
| 710 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 711 != NGX_OK) | |
| 712 { | |
| 713 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 714 return; | |
| 715 } | |
| 716 | |
| 717 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 718 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 719 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 720 return; | |
| 721 } | |
| 722 } | |
| 723 | |
| 724 if (pscf->ssl_session_reuse) { | |
| 725 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 726 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 727 return; | |
| 728 } | |
| 729 } | |
| 730 | |
| 731 s->connection->log->action = "SSL handshaking to upstream"; | |
| 732 | |
| 733 rc = ngx_ssl_handshake(pc); | |
| 734 | |
| 735 if (rc == NGX_AGAIN) { | |
| 736 | |
| 737 if (!pc->write->timer_set) { | |
| 738 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 739 } | |
| 740 | |
| 741 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 742 return; | |
| 743 } | |
| 744 | |
| 745 ngx_stream_proxy_ssl_handshake(pc); | |
| 746 } | |
| 747 | |
| 748 | |
| 749 static void | |
| 750 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 751 { | |
| 752 long rc; | |
| 753 ngx_stream_session_t *s; | |
| 754 ngx_stream_upstream_t *u; | |
| 755 ngx_stream_proxy_srv_conf_t *pscf; | |
| 756 | |
| 757 s = pc->data; | |
| 758 | |
| 759 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 760 | |
| 761 if (pc->ssl->handshaked) { | |
| 762 | |
| 763 if (pscf->ssl_verify) { | |
| 764 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 765 | |
| 766 if (rc != X509_V_OK) { | |
| 767 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 768 "upstream SSL certificate verify error: (%l:%s)", | |
| 769 rc, X509_verify_cert_error_string(rc)); | |
| 770 goto failed; | |
| 771 } | |
| 772 | |
| 773 u = s->upstream; | |
| 774 | |
| 775 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 776 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 777 "upstream SSL certificate does not match \"%V\"", | |
| 778 &u->ssl_name); | |
| 779 goto failed; | |
| 780 } | |
| 781 } | |
| 782 | |
| 783 if (pscf->ssl_session_reuse) { | |
| 784 u = s->upstream; | |
| 785 u->peer.save_session(&u->peer, u->peer.data); | |
| 786 } | |
| 787 | |
|
6258
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
788 if (pc->write->timer_set) { |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
789 ngx_del_timer(pc->write); |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
790 } |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
791 |
| 6115 | 792 ngx_stream_proxy_init_upstream(s); |
| 793 | |
| 794 return; | |
| 795 } | |
| 796 | |
| 797 failed: | |
| 798 | |
| 799 ngx_stream_proxy_next_upstream(s); | |
| 800 } | |
| 801 | |
| 802 | |
| 803 static ngx_int_t | |
| 804 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 805 { | |
| 806 u_char *p, *last; | |
| 807 ngx_str_t name; | |
| 808 ngx_stream_upstream_t *u; | |
| 809 ngx_stream_proxy_srv_conf_t *pscf; | |
| 810 | |
| 811 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 812 | |
| 813 u = s->upstream; | |
| 814 | |
| 815 name = pscf->ssl_name; | |
| 816 | |
| 817 if (name.len == 0) { | |
| 818 name = pscf->upstream->host; | |
| 819 } | |
| 820 | |
| 821 if (name.len == 0) { | |
| 822 goto done; | |
| 823 } | |
| 824 | |
| 825 /* | |
| 826 * ssl name here may contain port, strip it for compatibility | |
| 827 * with the http module | |
| 828 */ | |
| 829 | |
| 830 p = name.data; | |
| 831 last = name.data + name.len; | |
| 832 | |
| 833 if (*p == '[') { | |
| 834 p = ngx_strlchr(p, last, ']'); | |
| 835 | |
| 836 if (p == NULL) { | |
| 837 p = name.data; | |
| 838 } | |
| 839 } | |
| 840 | |
| 841 p = ngx_strlchr(p, last, ':'); | |
| 842 | |
| 843 if (p != NULL) { | |
| 844 name.len = p - name.data; | |
| 845 } | |
| 846 | |
| 847 if (!pscf->ssl_server_name) { | |
| 848 goto done; | |
| 849 } | |
| 850 | |
| 851 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 852 | |
| 853 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 854 | |
| 855 if (name.len == 0 || *name.data == '[') { | |
| 856 goto done; | |
| 857 } | |
| 858 | |
| 859 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 860 goto done; | |
| 861 } | |
| 862 | |
| 863 /* | |
| 864 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 865 * hence we explicitly null-terminate name here | |
| 866 */ | |
| 867 | |
| 868 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 869 if (p == NULL) { | |
| 870 return NGX_ERROR; | |
| 871 } | |
| 872 | |
| 873 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 874 | |
| 875 name.data = p; | |
| 876 | |
| 877 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 878 "upstream SSL server name: \"%s\"", name.data); | |
| 879 | |
| 880 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 881 == 0) | |
| 882 { | |
| 883 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 884 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 885 return NGX_ERROR; | |
| 886 } | |
| 887 | |
| 888 #endif | |
| 889 | |
| 890 done: | |
| 891 | |
| 892 u->ssl_name = name; | |
| 893 | |
| 894 return NGX_OK; | |
| 895 } | |
| 896 | |
| 897 #endif | |
| 898 | |
| 899 | |
| 900 static void | |
| 901 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 902 { | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
903 ngx_stream_proxy_process_connection(ev, ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
904 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
905 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
906 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
907 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
908 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
909 { |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
910 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
6184
diff
changeset
|
911 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
912 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
913 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
914 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
915 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
916 { |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
917 ngx_connection_t *c, *pc; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
918 ngx_stream_session_t *s; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
919 ngx_stream_upstream_t *u; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
920 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 921 |
| 922 c = ev->data; | |
| 923 s = c->data; | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
924 u = s->upstream; |
| 6115 | 925 |
| 6436 | 926 c = s->connection; |
| 927 pc = u->peer.connection; | |
| 928 | |
| 929 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 930 | |
| 6115 | 931 if (ev->timedout) { |
| 6436 | 932 ev->timedout = 0; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
933 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
934 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
935 ev->delayed = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
936 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
937 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
938 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
939 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
940 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
941 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
942 |
| 6436 | 943 if (u->connected && !c->read->delayed && !pc->read->delayed) { |
| 944 ngx_add_timer(c->write, pscf->timeout); | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
945 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
946 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
947 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
948 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
949 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
950 } else { |
| 6436 | 951 if (s->connection->type == SOCK_DGRAM) { |
| 952 if (pscf->responses == NGX_MAX_INT32_VALUE) { | |
| 953 | |
| 954 /* | |
| 955 * successfully terminate timed out UDP session | |
| 956 * with unspecified number of responses | |
| 957 */ | |
| 958 | |
| 959 pc->read->ready = 0; | |
| 960 pc->read->eof = 1; | |
| 961 | |
| 962 ngx_stream_proxy_process(s, 1, 0); | |
| 963 return; | |
| 964 } | |
| 965 | |
| 966 if (u->received == 0) { | |
| 967 ngx_stream_proxy_next_upstream(s); | |
| 968 return; | |
| 969 } | |
| 970 } | |
| 971 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
972 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
973 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
974 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
975 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
976 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
977 } else if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
978 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
979 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
980 "stream connection delayed"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
981 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
982 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
983 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
984 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
985 |
| 6115 | 986 return; |
| 987 } | |
| 988 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
989 if (from_upstream && !u->connected) { |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
990 return; |
| 6115 | 991 } |
| 992 | |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
993 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 994 } |
| 995 | |
| 996 | |
| 997 static void | |
| 998 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 999 { | |
| 1000 ngx_connection_t *c; | |
| 1001 ngx_stream_session_t *s; | |
| 1002 | |
| 1003 c = ev->data; | |
| 1004 s = c->data; | |
| 1005 | |
| 1006 if (ev->timedout) { | |
| 1007 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 1008 ngx_stream_proxy_next_upstream(s); | |
| 1009 return; | |
| 1010 } | |
| 1011 | |
| 1012 ngx_del_timer(c->write); | |
| 1013 | |
| 1014 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 1015 "stream proxy connect upstream"); | |
| 1016 | |
| 1017 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 1018 ngx_stream_proxy_next_upstream(s); | |
| 1019 return; | |
| 1020 } | |
| 1021 | |
| 1022 ngx_stream_proxy_init_upstream(s); | |
| 1023 } | |
| 1024 | |
| 1025 | |
| 1026 static ngx_int_t | |
| 1027 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 1028 { | |
| 1029 int err; | |
| 1030 socklen_t len; | |
| 1031 | |
| 1032 #if (NGX_HAVE_KQUEUE) | |
| 1033 | |
| 1034 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 1035 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 1036 | |
| 1037 if (err) { | |
| 1038 (void) ngx_connection_error(c, err, | |
| 1039 "kevent() reported that connect() failed"); | |
| 1040 return NGX_ERROR; | |
| 1041 } | |
| 1042 | |
| 1043 } else | |
| 1044 #endif | |
| 1045 { | |
| 1046 err = 0; | |
| 1047 len = sizeof(int); | |
| 1048 | |
| 1049 /* | |
| 1050 * BSDs and Linux return 0 and set a pending error in err | |
| 1051 * Solaris returns -1 and sets errno | |
| 1052 */ | |
| 1053 | |
| 1054 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1055 == -1) | |
| 1056 { | |
| 1057 err = ngx_socket_errno; | |
| 1058 } | |
| 1059 | |
| 1060 if (err) { | |
| 1061 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 1062 return NGX_ERROR; | |
| 1063 } | |
| 1064 } | |
| 1065 | |
| 1066 return NGX_OK; | |
| 1067 } | |
| 1068 | |
| 1069 | |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1070 static void |
| 6115 | 1071 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, |
| 1072 ngx_uint_t do_write) | |
| 1073 { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1074 off_t *received, limit; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1075 size_t size, limit_rate; |
| 6115 | 1076 ssize_t n; |
| 1077 ngx_buf_t *b; | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1078 ngx_uint_t flags; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1079 ngx_msec_t delay; |
| 6115 | 1080 ngx_connection_t *c, *pc, *src, *dst; |
| 1081 ngx_log_handler_pt handler; | |
| 1082 ngx_stream_upstream_t *u; | |
| 1083 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1084 | |
| 1085 u = s->upstream; | |
| 1086 | |
| 1087 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
1088 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 1089 |
| 6436 | 1090 if (c->type == SOCK_DGRAM && (ngx_terminate || ngx_exiting)) { |
| 1091 | |
| 1092 /* socket is already closed on worker shutdown */ | |
| 1093 | |
| 1094 handler = c->log->handler; | |
| 1095 c->log->handler = NULL; | |
| 1096 | |
| 1097 ngx_log_error(NGX_LOG_INFO, c->log, 0, "disconnected on shutdown"); | |
| 1098 | |
| 1099 c->log->handler = handler; | |
| 1100 | |
| 1101 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1102 return; | |
| 1103 } | |
| 1104 | |
|
6201
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Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1105 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
1106 |
| 6115 | 1107 if (from_upstream) { |
| 1108 src = pc; | |
| 1109 dst = c; | |
| 1110 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1111 limit_rate = pscf->download_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1112 received = &u->received; |
| 6115 | 1113 |
| 1114 } else { | |
| 1115 src = c; | |
| 1116 dst = pc; | |
| 1117 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1118 limit_rate = pscf->upload_rate; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1119 received = &s->received; |
| 6115 | 1120 } |
| 1121 | |
| 1122 for ( ;; ) { | |
| 1123 | |
| 1124 if (do_write) { | |
| 1125 | |
| 1126 size = b->last - b->pos; | |
| 1127 | |
| 1128 if (size && dst && dst->write->ready) { | |
| 1129 | |
| 1130 n = dst->send(dst, b->pos, size); | |
| 1131 | |
| 6436 | 1132 if (n == NGX_AGAIN && dst->shared) { |
| 1133 /* cannot wait on a shared socket */ | |
| 1134 n = NGX_ERROR; | |
| 1135 } | |
| 1136 | |
| 6115 | 1137 if (n == NGX_ERROR) { |
| 6436 | 1138 if (c->type == SOCK_DGRAM && !from_upstream) { |
| 1139 ngx_stream_proxy_next_upstream(s); | |
| 1140 return; | |
| 1141 } | |
| 1142 | |
| 6115 | 1143 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1144 return; |
| 6115 | 1145 } |
| 1146 | |
| 1147 if (n > 0) { | |
| 1148 b->pos += n; | |
| 1149 | |
| 1150 if (b->pos == b->last) { | |
| 1151 b->pos = b->start; | |
| 1152 b->last = b->start; | |
| 1153 } | |
| 1154 } | |
| 1155 } | |
| 1156 } | |
| 1157 | |
| 1158 size = b->end - b->last; | |
| 1159 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1160 if (size && src->read->ready && !src->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1161 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1162 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1163 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
|
1164 - *received; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1165 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1166 if (limit <= 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1167 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1168 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
|
1169 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1170 break; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1171 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1172 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1173 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
parents:
6202
diff
changeset
|
1174 size = (size_t) limit; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1175 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1176 } |
| 6115 | 1177 |
| 1178 n = src->recv(src, b->last, size); | |
| 1179 | |
| 1180 if (n == NGX_AGAIN || n == 0) { | |
| 1181 break; | |
| 1182 } | |
| 1183 | |
| 1184 if (n > 0) { | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1185 if (limit_rate) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1186 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1187 |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1188 if (delay > 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1189 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1190 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1191 } |
| 6115 | 1192 } |
| 1193 | |
| 6436 | 1194 if (c->type == SOCK_DGRAM && ++u->responses == pscf->responses) |
| 1195 { | |
| 1196 src->read->ready = 0; | |
| 1197 src->read->eof = 1; | |
| 1198 } | |
| 1199 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1200 *received += n; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1201 b->last += n; |
| 6115 | 1202 do_write = 1; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1203 |
| 6115 | 1204 continue; |
| 1205 } | |
| 1206 | |
| 1207 if (n == NGX_ERROR) { | |
| 6436 | 1208 if (c->type == SOCK_DGRAM && u->received == 0) { |
| 1209 ngx_stream_proxy_next_upstream(s); | |
| 1210 return; | |
| 1211 } | |
| 1212 | |
| 6115 | 1213 src->read->eof = 1; |
| 1214 } | |
| 1215 } | |
| 1216 | |
| 1217 break; | |
| 1218 } | |
| 1219 | |
| 1220 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1221 handler = c->log->handler; | |
| 1222 c->log->handler = NULL; | |
| 1223 | |
| 1224 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1225 "%s disconnected" | |
| 1226 ", bytes from/to client:%O/%O" | |
| 1227 ", bytes from/to upstream:%O/%O", | |
| 1228 from_upstream ? "upstream" : "client", | |
| 1229 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1230 | |
| 1231 c->log->handler = handler; | |
| 1232 | |
| 1233 ngx_stream_proxy_finalize(s, NGX_OK); | |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1234 return; |
| 6115 | 1235 } |
| 1236 | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1237 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
|
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1238 |
| 6436 | 1239 if (!src->shared && ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1240 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1241 return; |
| 6115 | 1242 } |
| 1243 | |
| 1244 if (dst) { | |
| 6436 | 1245 if (!dst->shared && ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
| 6115 | 1246 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1247 return; |
| 6115 | 1248 } |
| 1249 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1250 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1251 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1252 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1253 } else if (c->write->timer_set) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1254 ngx_del_timer(c->write); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1255 } |
| 6115 | 1256 } |
| 1257 } | |
| 1258 | |
| 1259 | |
| 1260 static void | |
| 1261 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1262 { | |
| 1263 ngx_msec_t timeout; | |
| 1264 ngx_connection_t *pc; | |
| 1265 ngx_stream_upstream_t *u; | |
| 1266 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1267 | |
| 1268 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1269 "stream proxy next upstream"); | |
| 1270 | |
| 1271 u = s->upstream; | |
| 1272 | |
| 1273 if (u->peer.sockaddr) { | |
| 1274 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1275 u->peer.sockaddr = NULL; | |
| 1276 } | |
| 1277 | |
| 1278 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1279 | |
| 1280 timeout = pscf->next_upstream_timeout; | |
| 1281 | |
| 1282 if (u->peer.tries == 0 | |
| 1283 || !pscf->next_upstream | |
| 1284 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1285 { | |
| 1286 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1287 return; | |
| 1288 } | |
| 1289 | |
| 1290 pc = u->peer.connection; | |
| 1291 | |
| 1292 if (pc) { | |
| 1293 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1294 "close proxy upstream connection: %d", pc->fd); | |
| 1295 | |
| 1296 #if (NGX_STREAM_SSL) | |
| 1297 if (pc->ssl) { | |
| 1298 pc->ssl->no_wait_shutdown = 1; | |
| 1299 pc->ssl->no_send_shutdown = 1; | |
| 1300 | |
| 1301 (void) ngx_ssl_shutdown(pc); | |
| 1302 } | |
| 1303 #endif | |
| 1304 | |
| 1305 ngx_close_connection(pc); | |
| 1306 u->peer.connection = NULL; | |
| 1307 } | |
| 1308 | |
| 1309 ngx_stream_proxy_connect(s); | |
| 1310 } | |
| 1311 | |
| 1312 | |
| 1313 static void | |
| 1314 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1315 { | |
| 1316 ngx_connection_t *pc; | |
| 1317 ngx_stream_upstream_t *u; | |
| 1318 | |
| 1319 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1320 "finalize stream proxy: %i", rc); | |
| 1321 | |
| 1322 u = s->upstream; | |
| 1323 | |
| 1324 if (u == NULL) { | |
| 1325 goto noupstream; | |
| 1326 } | |
| 1327 | |
| 1328 if (u->peer.free && u->peer.sockaddr) { | |
| 1329 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1330 u->peer.sockaddr = NULL; | |
| 1331 } | |
| 1332 | |
| 1333 pc = u->peer.connection; | |
| 1334 | |
| 1335 if (pc) { | |
| 1336 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1337 "close stream proxy upstream connection: %d", pc->fd); | |
| 1338 | |
| 1339 #if (NGX_STREAM_SSL) | |
| 1340 if (pc->ssl) { | |
| 1341 pc->ssl->no_wait_shutdown = 1; | |
| 1342 (void) ngx_ssl_shutdown(pc); | |
| 1343 } | |
| 1344 #endif | |
| 1345 | |
| 1346 ngx_close_connection(pc); | |
| 1347 u->peer.connection = NULL; | |
| 1348 } | |
| 1349 | |
| 1350 noupstream: | |
| 1351 | |
| 1352 ngx_stream_close_connection(s->connection); | |
| 1353 } | |
| 1354 | |
| 1355 | |
| 1356 static u_char * | |
| 1357 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1358 { | |
| 1359 u_char *p; | |
| 1360 ngx_connection_t *pc; | |
| 1361 ngx_stream_session_t *s; | |
| 1362 ngx_stream_upstream_t *u; | |
| 1363 | |
| 1364 s = log->data; | |
| 1365 | |
| 1366 u = s->upstream; | |
| 1367 | |
| 1368 p = buf; | |
| 1369 | |
| 1370 if (u->peer.name) { | |
| 1371 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1372 len -= p - buf; | |
| 1373 } | |
| 1374 | |
| 1375 pc = u->peer.connection; | |
| 1376 | |
| 1377 p = ngx_snprintf(p, len, | |
| 1378 ", bytes from/to client:%O/%O" | |
| 1379 ", bytes from/to upstream:%O/%O", | |
| 1380 s->received, s->connection->sent, | |
| 1381 u->received, pc ? pc->sent : 0); | |
| 1382 | |
| 1383 return p; | |
| 1384 } | |
| 1385 | |
| 1386 | |
| 1387 static void * | |
| 1388 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1389 { | |
| 1390 ngx_stream_proxy_srv_conf_t *conf; | |
| 1391 | |
| 1392 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1393 if (conf == NULL) { | |
| 1394 return NULL; | |
| 1395 } | |
| 1396 | |
| 1397 /* | |
| 1398 * set by ngx_pcalloc(): | |
| 1399 * | |
| 1400 * conf->ssl_protocols = 0; | |
| 1401 * conf->ssl_ciphers = { 0, NULL }; | |
| 1402 * conf->ssl_name = { 0, NULL }; | |
| 1403 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1404 * conf->ssl_crl = { 0, NULL }; | |
| 1405 * conf->ssl_certificate = { 0, NULL }; | |
| 1406 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1407 * | |
| 1408 * conf->ssl = NULL; | |
| 1409 * conf->upstream = NULL; | |
| 1410 */ | |
| 1411 | |
| 1412 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1413 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1414 conf->next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1415 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1416 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1417 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6436 | 1418 conf->responses = NGX_CONF_UNSET_UINT; |
| 6115 | 1419 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1420 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1421 conf->proxy_protocol = NGX_CONF_UNSET; |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1422 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1423 |
| 1424 #if (NGX_STREAM_SSL) | |
| 1425 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1426 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1427 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1428 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1429 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1430 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1431 #endif | |
| 1432 | |
| 1433 return conf; | |
| 1434 } | |
| 1435 | |
| 1436 | |
| 1437 static char * | |
| 1438 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1439 { | |
| 1440 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1441 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1442 | |
| 1443 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1444 prev->connect_timeout, 60000); | |
| 1445 | |
| 1446 ngx_conf_merge_msec_value(conf->timeout, | |
| 1447 prev->timeout, 10 * 60000); | |
| 1448 | |
| 1449 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1450 prev->next_upstream_timeout, 0); | |
| 1451 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1452 ngx_conf_merge_size_value(conf->buffer_size, |
|
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1453 prev->buffer_size, 16384); |
| 6115 | 1454 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1455 ngx_conf_merge_size_value(conf->upload_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1456 prev->upload_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1457 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1458 ngx_conf_merge_size_value(conf->download_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1459 prev->download_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1460 |
| 6436 | 1461 ngx_conf_merge_uint_value(conf->responses, |
| 1462 prev->responses, NGX_MAX_INT32_VALUE); | |
| 1463 | |
| 6115 | 1464 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1465 prev->next_upstream_tries, 0); | |
| 1466 | |
| 1467 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1468 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1469 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1470 |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1471 ngx_conf_merge_ptr_value(conf->local, prev->local, NULL); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1472 |
| 6115 | 1473 #if (NGX_STREAM_SSL) |
| 1474 | |
| 1475 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1476 | |
| 1477 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1478 prev->ssl_session_reuse, 1); | |
| 1479 | |
| 1480 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
|
6157
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1481 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1482 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1483 |
| 1484 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1485 | |
| 1486 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1487 | |
| 1488 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1489 | |
| 1490 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1491 | |
| 1492 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1493 prev->ssl_verify_depth, 1); | |
| 1494 | |
| 1495 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1496 prev->ssl_trusted_certificate, ""); | |
| 1497 | |
| 1498 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1499 | |
| 1500 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1501 prev->ssl_certificate, ""); | |
| 1502 | |
| 1503 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1504 prev->ssl_certificate_key, ""); | |
| 1505 | |
| 1506 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1507 | |
| 1508 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1509 return NGX_CONF_ERROR; | |
| 1510 } | |
| 1511 | |
| 1512 #endif | |
| 1513 | |
| 1514 return NGX_CONF_OK; | |
| 1515 } | |
| 1516 | |
| 1517 | |
| 1518 #if (NGX_STREAM_SSL) | |
| 1519 | |
| 1520 static ngx_int_t | |
| 1521 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1522 { | |
| 1523 ngx_pool_cleanup_t *cln; | |
| 1524 | |
| 1525 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1526 if (pscf->ssl == NULL) { | |
| 1527 return NGX_ERROR; | |
| 1528 } | |
| 1529 | |
| 1530 pscf->ssl->log = cf->log; | |
| 1531 | |
| 1532 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1533 return NGX_ERROR; | |
| 1534 } | |
| 1535 | |
| 1536 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1537 if (cln == NULL) { | |
| 1538 return NGX_ERROR; | |
| 1539 } | |
| 1540 | |
| 1541 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1542 cln->data = pscf->ssl; | |
| 1543 | |
| 1544 if (pscf->ssl_certificate.len) { | |
| 1545 | |
| 1546 if (pscf->ssl_certificate_key.len == 0) { | |
| 1547 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1548 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1549 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1550 return NGX_ERROR; | |
| 1551 } | |
| 1552 | |
| 1553 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1554 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1555 != NGX_OK) | |
| 1556 { | |
| 1557 return NGX_ERROR; | |
| 1558 } | |
| 1559 } | |
| 1560 | |
| 1561 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
| 1562 (const char *) pscf->ssl_ciphers.data) | |
| 1563 == 0) | |
| 1564 { | |
| 1565 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1566 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 1567 &pscf->ssl_ciphers); | |
| 1568 return NGX_ERROR; | |
| 1569 } | |
| 1570 | |
| 1571 if (pscf->ssl_verify) { | |
| 1572 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1573 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1574 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1575 return NGX_ERROR; | |
| 1576 } | |
| 1577 | |
| 1578 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1579 &pscf->ssl_trusted_certificate, | |
| 1580 pscf->ssl_verify_depth) | |
| 1581 != NGX_OK) | |
| 1582 { | |
| 1583 return NGX_ERROR; | |
| 1584 } | |
| 1585 | |
| 1586 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1587 return NGX_ERROR; | |
| 1588 } | |
| 1589 } | |
| 1590 | |
| 1591 return NGX_OK; | |
| 1592 } | |
| 1593 | |
| 1594 #endif | |
| 1595 | |
| 1596 | |
| 1597 static char * | |
| 1598 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1599 { | |
| 1600 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1601 | |
| 1602 ngx_url_t u; | |
| 1603 ngx_str_t *value, *url; | |
| 1604 ngx_stream_core_srv_conf_t *cscf; | |
| 1605 | |
| 1606 if (pscf->upstream) { | |
| 1607 return "is duplicate"; | |
| 1608 } | |
| 1609 | |
| 1610 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1611 | |
| 1612 cscf->handler = ngx_stream_proxy_handler; | |
| 1613 | |
| 1614 value = cf->args->elts; | |
| 1615 | |
| 1616 url = &value[1]; | |
| 1617 | |
| 1618 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1619 | |
| 1620 u.url = *url; | |
| 1621 u.no_resolve = 1; | |
| 1622 | |
| 1623 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1624 if (pscf->upstream == NULL) { | |
| 1625 return NGX_CONF_ERROR; | |
| 1626 } | |
| 1627 | |
| 1628 return NGX_CONF_OK; | |
| 1629 } | |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1630 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1631 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1632 static char * |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1633 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1634 { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1635 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1636 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1637 ngx_int_t rc; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1638 ngx_str_t *value; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1639 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1640 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1641 return "is duplicate"; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1642 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1643 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1644 value = cf->args->elts; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1645 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1646 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1647 pscf->local = NULL; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1648 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1649 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1650 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1651 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1652 if (pscf->local == NULL) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1653 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1654 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1655 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1656 rc = ngx_parse_addr(cf->pool, pscf->local, value[1].data, value[1].len); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1657 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1658 switch (rc) { |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1659 case NGX_OK: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1660 pscf->local->name = value[1]; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1661 return NGX_CONF_OK; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1662 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1663 case NGX_DECLINED: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1664 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1665 "invalid address \"%V\"", &value[1]); |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1666 /* fall through */ |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1667 |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1668 default: |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1669 return NGX_CONF_ERROR; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1670 } |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1671 } |