Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6393:70e6e1f12dee
Stream: initialize variable right before using it.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Thu, 11 Feb 2016 14:20:26 +0300 |
| parents | 4eb1b5c6d9c6 |
| children | d1c791479bbb |
| 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; |
| 6115 | 20 ngx_uint_t next_upstream_tries; |
| 21 ngx_flag_t next_upstream; | |
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22 ngx_flag_t proxy_protocol; |
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23 ngx_addr_t *local; |
| 6115 | 24 |
| 25 #if (NGX_STREAM_SSL) | |
| 26 ngx_flag_t ssl_enable; | |
| 27 ngx_flag_t ssl_session_reuse; | |
| 28 ngx_uint_t ssl_protocols; | |
| 29 ngx_str_t ssl_ciphers; | |
| 30 ngx_str_t ssl_name; | |
| 31 ngx_flag_t ssl_server_name; | |
| 32 | |
| 33 ngx_flag_t ssl_verify; | |
| 34 ngx_uint_t ssl_verify_depth; | |
| 35 ngx_str_t ssl_trusted_certificate; | |
| 36 ngx_str_t ssl_crl; | |
| 37 ngx_str_t ssl_certificate; | |
| 38 ngx_str_t ssl_certificate_key; | |
| 39 ngx_array_t *ssl_passwords; | |
| 40 | |
| 41 ngx_ssl_t *ssl; | |
| 42 #endif | |
| 43 | |
| 44 ngx_stream_upstream_srv_conf_t *upstream; | |
| 45 } ngx_stream_proxy_srv_conf_t; | |
| 46 | |
| 47 | |
| 48 static void ngx_stream_proxy_handler(ngx_stream_session_t *s); | |
| 49 static void ngx_stream_proxy_connect(ngx_stream_session_t *s); | |
| 50 static void ngx_stream_proxy_init_upstream(ngx_stream_session_t *s); | |
| 51 static void ngx_stream_proxy_upstream_handler(ngx_event_t *ev); | |
| 52 static void ngx_stream_proxy_downstream_handler(ngx_event_t *ev); | |
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53 static void ngx_stream_proxy_process_connection(ngx_event_t *ev, |
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54 ngx_uint_t from_upstream); |
| 6115 | 55 static void ngx_stream_proxy_connect_handler(ngx_event_t *ev); |
| 56 static ngx_int_t ngx_stream_proxy_test_connect(ngx_connection_t *c); | |
| 57 static ngx_int_t ngx_stream_proxy_process(ngx_stream_session_t *s, | |
| 58 ngx_uint_t from_upstream, ngx_uint_t do_write); | |
| 59 static void ngx_stream_proxy_next_upstream(ngx_stream_session_t *s); | |
| 60 static void ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc); | |
| 61 static u_char *ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, | |
| 62 size_t len); | |
| 63 | |
| 64 static void *ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf); | |
| 65 static char *ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| 66 void *child); | |
| 67 static char *ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 68 void *conf); | |
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69 static char *ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, |
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70 void *conf); |
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71 static ngx_int_t ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s); |
| 6115 | 72 |
| 73 #if (NGX_STREAM_SSL) | |
| 74 | |
| 75 static char *ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, | |
| 76 ngx_command_t *cmd, void *conf); | |
| 77 static void ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s); | |
| 78 static void ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc); | |
| 79 static ngx_int_t ngx_stream_proxy_ssl_name(ngx_stream_session_t *s); | |
| 80 static ngx_int_t ngx_stream_proxy_set_ssl(ngx_conf_t *cf, | |
| 81 ngx_stream_proxy_srv_conf_t *pscf); | |
| 82 | |
| 83 | |
| 84 static ngx_conf_bitmask_t ngx_stream_proxy_ssl_protocols[] = { | |
| 85 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 86 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 87 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 88 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 89 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 90 { ngx_null_string, 0 } | |
| 91 }; | |
| 92 | |
| 93 #endif | |
| 94 | |
| 95 | |
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96 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_downstream_buffer = { |
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97 ngx_conf_deprecated, "proxy_downstream_buffer", "proxy_buffer_size" |
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98 }; |
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99 |
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100 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_upstream_buffer = { |
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101 ngx_conf_deprecated, "proxy_upstream_buffer", "proxy_buffer_size" |
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102 }; |
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103 |
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104 |
| 6115 | 105 static ngx_command_t ngx_stream_proxy_commands[] = { |
| 106 | |
| 107 { ngx_string("proxy_pass"), | |
| 108 NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 109 ngx_stream_proxy_pass, | |
| 110 NGX_STREAM_SRV_CONF_OFFSET, | |
| 111 0, | |
| 112 NULL }, | |
| 113 | |
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114 { ngx_string("proxy_bind"), |
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115 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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116 ngx_stream_proxy_bind, |
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117 NGX_STREAM_SRV_CONF_OFFSET, |
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118 0, |
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119 NULL }, |
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120 |
| 6115 | 121 { ngx_string("proxy_connect_timeout"), |
| 122 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 123 ngx_conf_set_msec_slot, | |
| 124 NGX_STREAM_SRV_CONF_OFFSET, | |
| 125 offsetof(ngx_stream_proxy_srv_conf_t, connect_timeout), | |
| 126 NULL }, | |
| 127 | |
| 128 { ngx_string("proxy_timeout"), | |
| 129 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 130 ngx_conf_set_msec_slot, | |
| 131 NGX_STREAM_SRV_CONF_OFFSET, | |
| 132 offsetof(ngx_stream_proxy_srv_conf_t, timeout), | |
| 133 NULL }, | |
| 134 | |
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135 { ngx_string("proxy_buffer_size"), |
| 6115 | 136 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
| 137 ngx_conf_set_size_slot, | |
| 138 NGX_STREAM_SRV_CONF_OFFSET, | |
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139 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
| 6115 | 140 NULL }, |
| 141 | |
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142 { ngx_string("proxy_downstream_buffer"), |
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143 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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144 ngx_conf_set_size_slot, |
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145 NGX_STREAM_SRV_CONF_OFFSET, |
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146 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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147 &ngx_conf_deprecated_proxy_downstream_buffer }, |
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148 |
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149 { ngx_string("proxy_upstream_buffer"), |
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150 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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151 ngx_conf_set_size_slot, |
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152 NGX_STREAM_SRV_CONF_OFFSET, |
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153 offsetof(ngx_stream_proxy_srv_conf_t, buffer_size), |
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154 &ngx_conf_deprecated_proxy_upstream_buffer }, |
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155 |
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156 { ngx_string("proxy_upload_rate"), |
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157 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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158 ngx_conf_set_size_slot, |
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159 NGX_STREAM_SRV_CONF_OFFSET, |
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160 offsetof(ngx_stream_proxy_srv_conf_t, upload_rate), |
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161 NULL }, |
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162 |
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163 { ngx_string("proxy_download_rate"), |
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164 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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165 ngx_conf_set_size_slot, |
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166 NGX_STREAM_SRV_CONF_OFFSET, |
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167 offsetof(ngx_stream_proxy_srv_conf_t, download_rate), |
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168 NULL }, |
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169 |
| 6115 | 170 { ngx_string("proxy_next_upstream"), |
| 171 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 172 ngx_conf_set_flag_slot, | |
| 173 NGX_STREAM_SRV_CONF_OFFSET, | |
| 174 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream), | |
| 175 NULL }, | |
| 176 | |
| 177 { ngx_string("proxy_next_upstream_tries"), | |
| 178 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 179 ngx_conf_set_num_slot, | |
| 180 NGX_STREAM_SRV_CONF_OFFSET, | |
| 181 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_tries), | |
| 182 NULL }, | |
| 183 | |
| 184 { ngx_string("proxy_next_upstream_timeout"), | |
| 185 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 186 ngx_conf_set_msec_slot, | |
| 187 NGX_STREAM_SRV_CONF_OFFSET, | |
| 188 offsetof(ngx_stream_proxy_srv_conf_t, next_upstream_timeout), | |
| 189 NULL }, | |
| 190 | |
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191 { ngx_string("proxy_protocol"), |
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192 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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193 ngx_conf_set_flag_slot, |
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194 NGX_STREAM_SRV_CONF_OFFSET, |
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195 offsetof(ngx_stream_proxy_srv_conf_t, proxy_protocol), |
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196 NULL }, |
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197 |
| 6115 | 198 #if (NGX_STREAM_SSL) |
| 199 | |
| 200 { ngx_string("proxy_ssl"), | |
| 201 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 202 ngx_conf_set_flag_slot, | |
| 203 NGX_STREAM_SRV_CONF_OFFSET, | |
| 204 offsetof(ngx_stream_proxy_srv_conf_t, ssl_enable), | |
| 205 NULL }, | |
| 206 | |
| 207 { ngx_string("proxy_ssl_session_reuse"), | |
| 208 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 209 ngx_conf_set_flag_slot, | |
| 210 NGX_STREAM_SRV_CONF_OFFSET, | |
| 211 offsetof(ngx_stream_proxy_srv_conf_t, ssl_session_reuse), | |
| 212 NULL }, | |
| 213 | |
| 214 { ngx_string("proxy_ssl_protocols"), | |
| 215 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| 216 ngx_conf_set_bitmask_slot, | |
| 217 NGX_STREAM_SRV_CONF_OFFSET, | |
| 218 offsetof(ngx_stream_proxy_srv_conf_t, ssl_protocols), | |
| 219 &ngx_stream_proxy_ssl_protocols }, | |
| 220 | |
| 221 { ngx_string("proxy_ssl_ciphers"), | |
| 222 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 223 ngx_conf_set_str_slot, | |
| 224 NGX_STREAM_SRV_CONF_OFFSET, | |
| 225 offsetof(ngx_stream_proxy_srv_conf_t, ssl_ciphers), | |
| 226 NULL }, | |
| 227 | |
| 228 { ngx_string("proxy_ssl_name"), | |
| 229 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 230 ngx_conf_set_str_slot, | |
| 231 NGX_STREAM_SRV_CONF_OFFSET, | |
| 232 offsetof(ngx_stream_proxy_srv_conf_t, ssl_name), | |
| 233 NULL }, | |
| 234 | |
| 235 { ngx_string("proxy_ssl_server_name"), | |
| 236 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 237 ngx_conf_set_flag_slot, | |
| 238 NGX_STREAM_SRV_CONF_OFFSET, | |
| 239 offsetof(ngx_stream_proxy_srv_conf_t, ssl_server_name), | |
| 240 NULL }, | |
| 241 | |
| 242 { ngx_string("proxy_ssl_verify"), | |
| 243 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| 244 ngx_conf_set_flag_slot, | |
| 245 NGX_STREAM_SRV_CONF_OFFSET, | |
| 246 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify), | |
| 247 NULL }, | |
| 248 | |
| 249 { ngx_string("proxy_ssl_verify_depth"), | |
| 250 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 251 ngx_conf_set_num_slot, | |
| 252 NGX_STREAM_SRV_CONF_OFFSET, | |
| 253 offsetof(ngx_stream_proxy_srv_conf_t, ssl_verify_depth), | |
| 254 NULL }, | |
| 255 | |
| 256 { ngx_string("proxy_ssl_trusted_certificate"), | |
| 257 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 258 ngx_conf_set_str_slot, | |
| 259 NGX_STREAM_SRV_CONF_OFFSET, | |
| 260 offsetof(ngx_stream_proxy_srv_conf_t, ssl_trusted_certificate), | |
| 261 NULL }, | |
| 262 | |
| 263 { ngx_string("proxy_ssl_crl"), | |
| 264 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 265 ngx_conf_set_str_slot, | |
| 266 NGX_STREAM_SRV_CONF_OFFSET, | |
| 267 offsetof(ngx_stream_proxy_srv_conf_t, ssl_crl), | |
| 268 NULL }, | |
| 269 | |
| 270 { ngx_string("proxy_ssl_certificate"), | |
| 271 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 272 ngx_conf_set_str_slot, | |
| 273 NGX_STREAM_SRV_CONF_OFFSET, | |
| 274 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate), | |
| 275 NULL }, | |
| 276 | |
| 277 { ngx_string("proxy_ssl_certificate_key"), | |
| 278 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 279 ngx_conf_set_str_slot, | |
| 280 NGX_STREAM_SRV_CONF_OFFSET, | |
| 281 offsetof(ngx_stream_proxy_srv_conf_t, ssl_certificate_key), | |
| 282 NULL }, | |
| 283 | |
| 284 { ngx_string("proxy_ssl_password_file"), | |
| 285 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| 286 ngx_stream_proxy_ssl_password_file, | |
| 287 NGX_STREAM_SRV_CONF_OFFSET, | |
| 288 0, | |
| 289 NULL }, | |
| 290 | |
| 291 #endif | |
| 292 | |
| 293 ngx_null_command | |
| 294 }; | |
| 295 | |
| 296 | |
| 297 static ngx_stream_module_t ngx_stream_proxy_module_ctx = { | |
|
6174
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Stream: added postconfiguration method to stream modules.
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parents:
6157
diff
changeset
|
298 NULL, /* postconfiguration */ |
|
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
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parents:
6157
diff
changeset
|
299 |
| 6115 | 300 NULL, /* create main configuration */ |
| 301 NULL, /* init main configuration */ | |
| 302 | |
| 303 ngx_stream_proxy_create_srv_conf, /* create server configuration */ | |
| 304 ngx_stream_proxy_merge_srv_conf /* merge server configuration */ | |
| 305 }; | |
| 306 | |
| 307 | |
| 308 ngx_module_t ngx_stream_proxy_module = { | |
| 309 NGX_MODULE_V1, | |
| 310 &ngx_stream_proxy_module_ctx, /* module context */ | |
| 311 ngx_stream_proxy_commands, /* module directives */ | |
| 312 NGX_STREAM_MODULE, /* module type */ | |
| 313 NULL, /* init master */ | |
| 314 NULL, /* init module */ | |
| 315 NULL, /* init process */ | |
| 316 NULL, /* init thread */ | |
| 317 NULL, /* exit thread */ | |
| 318 NULL, /* exit process */ | |
| 319 NULL, /* exit master */ | |
| 320 NGX_MODULE_V1_PADDING | |
| 321 }; | |
| 322 | |
| 323 | |
| 324 static void | |
| 325 ngx_stream_proxy_handler(ngx_stream_session_t *s) | |
| 326 { | |
| 327 u_char *p; | |
| 328 ngx_connection_t *c; | |
| 329 ngx_stream_upstream_t *u; | |
| 330 ngx_stream_proxy_srv_conf_t *pscf; | |
| 331 ngx_stream_upstream_srv_conf_t *uscf; | |
| 332 | |
| 333 c = s->connection; | |
| 334 | |
| 335 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 336 | |
| 337 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 338 "proxy connection handler"); | |
| 339 | |
| 340 u = ngx_pcalloc(c->pool, sizeof(ngx_stream_upstream_t)); | |
| 341 if (u == NULL) { | |
| 342 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 343 return; | |
| 344 } | |
| 345 | |
| 346 s->upstream = u; | |
| 347 | |
| 348 s->log_handler = ngx_stream_proxy_log_error; | |
| 349 | |
| 350 u->peer.log = c->log; | |
| 351 u->peer.log_error = NGX_ERROR_ERR; | |
| 352 | |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
353 u->peer.local = pscf->local; |
|
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
354 |
| 6115 | 355 uscf = pscf->upstream; |
| 356 | |
| 357 if (uscf->peer.init(s, uscf) != NGX_OK) { | |
| 358 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 359 return; | |
| 360 } | |
| 361 | |
| 362 u->peer.start_time = ngx_current_msec; | |
| 363 | |
| 364 if (pscf->next_upstream_tries | |
| 365 && u->peer.tries > pscf->next_upstream_tries) | |
| 366 { | |
| 367 u->peer.tries = pscf->next_upstream_tries; | |
| 368 } | |
| 369 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
370 u->proxy_protocol = pscf->proxy_protocol; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
371 u->start_sec = ngx_time(); |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
372 |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
373 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 374 if (p == NULL) { |
| 375 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 376 return; | |
| 377 } | |
| 378 | |
| 379 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
|
380 u->downstream_buf.end = p + pscf->buffer_size; |
| 6115 | 381 u->downstream_buf.pos = p; |
| 382 u->downstream_buf.last = p; | |
| 383 | |
| 384 c->write->handler = ngx_stream_proxy_downstream_handler; | |
| 385 c->read->handler = ngx_stream_proxy_downstream_handler; | |
| 386 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
387 if (u->proxy_protocol |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
388 #if (NGX_STREAM_SSL) |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
389 && pscf->ssl == NULL |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
390 #endif |
| 6216 | 391 && pscf->buffer_size >= NGX_PROXY_PROTOCOL_MAX_HEADER) |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
392 { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
393 /* optimization for a typical case */ |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
394 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
395 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
|
396 "stream proxy send PROXY protocol header"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
397 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
398 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
|
399 u->downstream_buf.end); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
400 if (p == NULL) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
401 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
402 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
403 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
404 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
405 u->downstream_buf.last = p; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
406 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
407 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
408 |
| 6115 | 409 if (ngx_stream_proxy_process(s, 0, 0) != NGX_OK) { |
| 410 return; | |
| 411 } | |
| 412 | |
| 413 ngx_stream_proxy_connect(s); | |
| 414 } | |
| 415 | |
| 416 | |
| 417 static void | |
| 418 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 419 { | |
| 420 ngx_int_t rc; | |
| 421 ngx_connection_t *c, *pc; | |
| 422 ngx_stream_upstream_t *u; | |
| 423 ngx_stream_proxy_srv_conf_t *pscf; | |
| 424 | |
| 425 c = s->connection; | |
| 426 | |
| 427 c->log->action = "connecting to upstream"; | |
| 428 | |
| 429 u = s->upstream; | |
| 430 | |
| 431 rc = ngx_event_connect_peer(&u->peer); | |
| 432 | |
| 433 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 434 | |
| 435 if (rc == NGX_ERROR) { | |
| 436 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 437 return; | |
| 438 } | |
| 439 | |
| 440 if (rc == NGX_BUSY) { | |
| 441 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 442 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 443 return; | |
| 444 } | |
| 445 | |
| 446 if (rc == NGX_DECLINED) { | |
| 447 ngx_stream_proxy_next_upstream(s); | |
| 448 return; | |
| 449 } | |
| 450 | |
| 451 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 452 | |
| 453 pc = u->peer.connection; | |
| 454 | |
| 455 pc->data = s; | |
| 456 pc->log = c->log; | |
| 457 pc->pool = c->pool; | |
| 458 pc->read->log = c->log; | |
| 459 pc->write->log = c->log; | |
| 460 | |
| 461 if (rc != NGX_AGAIN) { | |
| 462 ngx_stream_proxy_init_upstream(s); | |
| 463 return; | |
| 464 } | |
| 465 | |
| 466 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 467 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 468 | |
|
6393
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
469 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
|
470 |
| 6115 | 471 ngx_add_timer(pc->write, pscf->connect_timeout); |
| 472 } | |
| 473 | |
| 474 | |
| 475 static void | |
| 476 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 477 { | |
| 6222 | 478 int tcp_nodelay; |
| 6115 | 479 u_char *p; |
| 480 ngx_connection_t *c, *pc; | |
| 481 ngx_log_handler_pt handler; | |
| 482 ngx_stream_upstream_t *u; | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
483 ngx_stream_core_srv_conf_t *cscf; |
| 6115 | 484 ngx_stream_proxy_srv_conf_t *pscf; |
| 485 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
486 u = s->upstream; |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
487 pc = u->peer.connection; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
488 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
489 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
|
490 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
491 if (cscf->tcp_nodelay && pc->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
492 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
|
493 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
494 tcp_nodelay = 1; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
495 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
496 if (setsockopt(pc->fd, IPPROTO_TCP, TCP_NODELAY, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
497 (const void *) &tcp_nodelay, sizeof(int)) == -1) |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
498 { |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
499 ngx_connection_error(pc, ngx_socket_errno, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
500 "setsockopt(TCP_NODELAY) failed"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
501 ngx_stream_proxy_next_upstream(s); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
502 return; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
503 } |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
504 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
505 pc->tcp_nodelay = NGX_TCP_NODELAY_SET; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
506 } |
| 6115 | 507 |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
508 if (u->proxy_protocol) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
509 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
|
510 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
511 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
512 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
513 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
514 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
515 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
516 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 517 |
| 518 #if (NGX_STREAM_SSL) | |
| 519 if (pscf->ssl && pc->ssl == NULL) { | |
| 520 ngx_stream_proxy_ssl_init_connection(s); | |
| 521 return; | |
| 522 } | |
| 523 #endif | |
| 524 | |
| 525 c = s->connection; | |
| 526 | |
| 527 if (c->log->log_level >= NGX_LOG_INFO) { | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
528 ngx_str_t str; |
| 6115 | 529 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 530 | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
531 str.len = NGX_SOCKADDR_STRLEN; |
|
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
532 str.data = addr; |
| 6115 | 533 |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
534 if (ngx_connection_local_sockaddr(pc, &str, 1) == NGX_OK) { |
| 6115 | 535 handler = c->log->handler; |
| 536 c->log->handler = NULL; | |
| 537 | |
| 538 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxy %V connected to %V", | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
539 &str, u->peer.name); |
| 6115 | 540 |
| 541 c->log->handler = handler; | |
| 542 } | |
| 543 } | |
| 544 | |
| 545 c->log->action = "proxying connection"; | |
| 546 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
547 p = ngx_pnalloc(c->pool, pscf->buffer_size); |
| 6115 | 548 if (p == NULL) { |
| 549 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 550 return; | |
| 551 } | |
| 552 | |
| 553 u->upstream_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
|
554 u->upstream_buf.end = p + pscf->buffer_size; |
| 6115 | 555 u->upstream_buf.pos = p; |
| 556 u->upstream_buf.last = p; | |
| 557 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
558 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
559 |
| 6115 | 560 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 561 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 562 | |
| 563 if (ngx_stream_proxy_process(s, 1, 0) != NGX_OK) { | |
| 564 return; | |
| 565 } | |
| 566 | |
| 567 ngx_stream_proxy_process(s, 0, 1); | |
| 568 } | |
| 569 | |
| 570 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
571 static ngx_int_t |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
572 ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s) |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
573 { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
574 u_char *p; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
575 ssize_t n, size; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
576 ngx_connection_t *c, *pc; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
577 ngx_stream_upstream_t *u; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
578 ngx_stream_proxy_srv_conf_t *pscf; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
579 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
580 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
581 c = s->connection; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
582 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
583 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
|
584 "stream proxy send PROXY protocol header"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
585 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
586 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
|
587 if (p == NULL) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
588 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
589 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
590 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
591 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
592 u = s->upstream; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
593 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
594 pc = u->peer.connection; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
595 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
596 size = p - buf; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
597 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
598 n = pc->send(pc, buf, size); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
599 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
600 if (n == NGX_AGAIN) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
601 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
|
602 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
603 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
604 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
605 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
606 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
|
607 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
608 ngx_add_timer(pc->write, pscf->timeout); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
609 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
610 pc->write->handler = ngx_stream_proxy_connect_handler; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
611 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
612 return NGX_AGAIN; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
613 } |
|
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 if (n == NGX_ERROR) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
616 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
617 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
618 } |
|
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 if (n != size) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
621 |
|
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 * PROXY protocol specification: |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
624 * The sender must always ensure that the header |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
625 * is sent at once, so that the transport layer |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
626 * maintains atomicity along the path to the receiver. |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
627 */ |
|
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 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
630 "could not send PROXY protocol header at once"); |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
631 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
632 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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 return NGX_ERROR; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
635 } |
|
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 return NGX_OK; |
|
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 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
640 |
| 6115 | 641 #if (NGX_STREAM_SSL) |
| 642 | |
| 643 static char * | |
| 644 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 645 void *conf) | |
| 646 { | |
| 647 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 648 | |
| 649 ngx_str_t *value; | |
| 650 | |
| 651 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 652 return "is duplicate"; | |
| 653 } | |
| 654 | |
| 655 value = cf->args->elts; | |
| 656 | |
| 657 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 658 | |
| 659 if (pscf->ssl_passwords == NULL) { | |
| 660 return NGX_CONF_ERROR; | |
| 661 } | |
| 662 | |
| 663 return NGX_CONF_OK; | |
| 664 } | |
| 665 | |
| 666 | |
| 667 static void | |
| 668 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 669 { | |
| 670 ngx_int_t rc; | |
| 671 ngx_connection_t *pc; | |
| 672 ngx_stream_upstream_t *u; | |
| 673 ngx_stream_proxy_srv_conf_t *pscf; | |
| 674 | |
| 675 u = s->upstream; | |
| 676 | |
| 677 pc = u->peer.connection; | |
| 678 | |
| 679 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 680 | |
| 681 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 682 != NGX_OK) | |
| 683 { | |
| 684 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 685 return; | |
| 686 } | |
| 687 | |
| 688 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 689 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 690 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 691 return; | |
| 692 } | |
| 693 } | |
| 694 | |
| 695 if (pscf->ssl_session_reuse) { | |
| 696 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 697 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 698 return; | |
| 699 } | |
| 700 } | |
| 701 | |
| 702 s->connection->log->action = "SSL handshaking to upstream"; | |
| 703 | |
| 704 rc = ngx_ssl_handshake(pc); | |
| 705 | |
| 706 if (rc == NGX_AGAIN) { | |
| 707 | |
| 708 if (!pc->write->timer_set) { | |
| 709 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 710 } | |
| 711 | |
| 712 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 713 return; | |
| 714 } | |
| 715 | |
| 716 ngx_stream_proxy_ssl_handshake(pc); | |
| 717 } | |
| 718 | |
| 719 | |
| 720 static void | |
| 721 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 722 { | |
| 723 long rc; | |
| 724 ngx_stream_session_t *s; | |
| 725 ngx_stream_upstream_t *u; | |
| 726 ngx_stream_proxy_srv_conf_t *pscf; | |
| 727 | |
| 728 s = pc->data; | |
| 729 | |
| 730 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 731 | |
| 732 if (pc->ssl->handshaked) { | |
| 733 | |
| 734 if (pscf->ssl_verify) { | |
| 735 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 736 | |
| 737 if (rc != X509_V_OK) { | |
| 738 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 739 "upstream SSL certificate verify error: (%l:%s)", | |
| 740 rc, X509_verify_cert_error_string(rc)); | |
| 741 goto failed; | |
| 742 } | |
| 743 | |
| 744 u = s->upstream; | |
| 745 | |
| 746 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 747 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 748 "upstream SSL certificate does not match \"%V\"", | |
| 749 &u->ssl_name); | |
| 750 goto failed; | |
| 751 } | |
| 752 } | |
| 753 | |
| 754 if (pscf->ssl_session_reuse) { | |
| 755 u = s->upstream; | |
| 756 u->peer.save_session(&u->peer, u->peer.data); | |
| 757 } | |
| 758 | |
|
6258
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
759 if (pc->write->timer_set) { |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
760 ngx_del_timer(pc->write); |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
761 } |
|
4b4aee40c508
Stream: delete proxy connection timer after SSL handshake.
Ruslan Ermilov <ru@nginx.com>
parents:
6230
diff
changeset
|
762 |
| 6115 | 763 ngx_stream_proxy_init_upstream(s); |
| 764 | |
| 765 return; | |
| 766 } | |
| 767 | |
| 768 failed: | |
| 769 | |
| 770 ngx_stream_proxy_next_upstream(s); | |
| 771 } | |
| 772 | |
| 773 | |
| 774 static ngx_int_t | |
| 775 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 776 { | |
| 777 u_char *p, *last; | |
| 778 ngx_str_t name; | |
| 779 ngx_stream_upstream_t *u; | |
| 780 ngx_stream_proxy_srv_conf_t *pscf; | |
| 781 | |
| 782 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 783 | |
| 784 u = s->upstream; | |
| 785 | |
| 786 name = pscf->ssl_name; | |
| 787 | |
| 788 if (name.len == 0) { | |
| 789 name = pscf->upstream->host; | |
| 790 } | |
| 791 | |
| 792 if (name.len == 0) { | |
| 793 goto done; | |
| 794 } | |
| 795 | |
| 796 /* | |
| 797 * ssl name here may contain port, strip it for compatibility | |
| 798 * with the http module | |
| 799 */ | |
| 800 | |
| 801 p = name.data; | |
| 802 last = name.data + name.len; | |
| 803 | |
| 804 if (*p == '[') { | |
| 805 p = ngx_strlchr(p, last, ']'); | |
| 806 | |
| 807 if (p == NULL) { | |
| 808 p = name.data; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 p = ngx_strlchr(p, last, ':'); | |
| 813 | |
| 814 if (p != NULL) { | |
| 815 name.len = p - name.data; | |
| 816 } | |
| 817 | |
| 818 if (!pscf->ssl_server_name) { | |
| 819 goto done; | |
| 820 } | |
| 821 | |
| 822 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 823 | |
| 824 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 825 | |
| 826 if (name.len == 0 || *name.data == '[') { | |
| 827 goto done; | |
| 828 } | |
| 829 | |
| 830 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 831 goto done; | |
| 832 } | |
| 833 | |
| 834 /* | |
| 835 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 836 * hence we explicitly null-terminate name here | |
| 837 */ | |
| 838 | |
| 839 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 840 if (p == NULL) { | |
| 841 return NGX_ERROR; | |
| 842 } | |
| 843 | |
| 844 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 845 | |
| 846 name.data = p; | |
| 847 | |
| 848 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 849 "upstream SSL server name: \"%s\"", name.data); | |
| 850 | |
| 851 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 852 == 0) | |
| 853 { | |
| 854 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 855 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 856 return NGX_ERROR; | |
| 857 } | |
| 858 | |
| 859 #endif | |
| 860 | |
| 861 done: | |
| 862 | |
| 863 u->ssl_name = name; | |
| 864 | |
| 865 return NGX_OK; | |
| 866 } | |
| 867 | |
| 868 #endif | |
| 869 | |
| 870 | |
| 871 static void | |
| 872 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 873 { | |
|
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Stream: common handler for upstream and downstream.
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diff
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|
874 ngx_stream_proxy_process_connection(ev, ev->write); |
|
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Stream: common handler for upstream and downstream.
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diff
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|
875 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
876 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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parents:
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diff
changeset
|
877 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
878 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
879 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
880 { |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
881 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
882 } |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
883 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
884 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
885 static void |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
886 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
887 { |
|
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Stream: upstream and downstream limit rates.
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|
888 ngx_connection_t *c, *pc; |
|
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Stream: upstream and downstream limit rates.
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|
889 ngx_stream_session_t *s; |
|
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Stream: upstream and downstream limit rates.
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|
890 ngx_stream_upstream_t *u; |
|
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Stream: upstream and downstream limit rates.
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diff
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|
891 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 892 |
| 893 c = ev->data; | |
| 894 s = c->data; | |
|
6200
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Stream: common handler for upstream and downstream.
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diff
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|
895 u = s->upstream; |
| 6115 | 896 |
| 897 if (ev->timedout) { | |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
898 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
899 if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
900 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
901 ev->timedout = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
902 ev->delayed = 0; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
903 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
904 if (!ev->ready) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
905 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
906 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
907 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
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diff
changeset
|
908 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
909 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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diff
changeset
|
910 if (u->connected) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
911 pc = u->peer.connection; |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
912 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
913 if (!c->read->delayed && !pc->read->delayed) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
914 pscf = ngx_stream_get_module_srv_conf(s, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
915 ngx_stream_proxy_module); |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
916 ngx_add_timer(c->write, pscf->timeout); |
|
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Stream: upstream and downstream limit rates.
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|
917 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
918 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
919 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
920 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
921 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
922 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
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|
923 } else { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
924 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
925 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
926 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
927 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
928 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
929 } else if (ev->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
930 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
931 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
24488e6db782
Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
932 "stream connection delayed"); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
933 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
934 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
935 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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 |
| 6115 | 938 return; |
| 939 } | |
| 940 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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parents:
6201
diff
changeset
|
941 if (from_upstream && !u->connected) { |
|
6200
abee77018d3a
Stream: common handler for upstream and downstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
942 return; |
| 6115 | 943 } |
| 944 | |
|
6200
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Stream: common handler for upstream and downstream.
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diff
changeset
|
945 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 946 } |
| 947 | |
| 948 | |
| 949 static void | |
| 950 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 951 { | |
| 952 ngx_connection_t *c; | |
| 953 ngx_stream_session_t *s; | |
| 954 | |
| 955 c = ev->data; | |
| 956 s = c->data; | |
| 957 | |
| 958 if (ev->timedout) { | |
| 959 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 960 ngx_stream_proxy_next_upstream(s); | |
| 961 return; | |
| 962 } | |
| 963 | |
| 964 ngx_del_timer(c->write); | |
| 965 | |
| 966 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 967 "stream proxy connect upstream"); | |
| 968 | |
| 969 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 970 ngx_stream_proxy_next_upstream(s); | |
| 971 return; | |
| 972 } | |
| 973 | |
| 974 ngx_stream_proxy_init_upstream(s); | |
| 975 } | |
| 976 | |
| 977 | |
| 978 static ngx_int_t | |
| 979 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 980 { | |
| 981 int err; | |
| 982 socklen_t len; | |
| 983 | |
| 984 #if (NGX_HAVE_KQUEUE) | |
| 985 | |
| 986 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 987 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 988 | |
| 989 if (err) { | |
| 990 (void) ngx_connection_error(c, err, | |
| 991 "kevent() reported that connect() failed"); | |
| 992 return NGX_ERROR; | |
| 993 } | |
| 994 | |
| 995 } else | |
| 996 #endif | |
| 997 { | |
| 998 err = 0; | |
| 999 len = sizeof(int); | |
| 1000 | |
| 1001 /* | |
| 1002 * BSDs and Linux return 0 and set a pending error in err | |
| 1003 * Solaris returns -1 and sets errno | |
| 1004 */ | |
| 1005 | |
| 1006 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1007 == -1) | |
| 1008 { | |
| 1009 err = ngx_socket_errno; | |
| 1010 } | |
| 1011 | |
| 1012 if (err) { | |
| 1013 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 1014 return NGX_ERROR; | |
| 1015 } | |
| 1016 } | |
| 1017 | |
| 1018 return NGX_OK; | |
| 1019 } | |
| 1020 | |
| 1021 | |
| 1022 static ngx_int_t | |
| 1023 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, | |
| 1024 ngx_uint_t do_write) | |
| 1025 { | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1026 off_t *received, limit; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1027 size_t size, limit_rate; |
| 6115 | 1028 ssize_t n; |
| 1029 ngx_buf_t *b; | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1030 ngx_uint_t flags; |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1031 ngx_msec_t delay; |
| 6115 | 1032 ngx_connection_t *c, *pc, *src, *dst; |
| 1033 ngx_log_handler_pt handler; | |
| 1034 ngx_stream_upstream_t *u; | |
| 1035 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1036 | |
| 1037 u = s->upstream; | |
| 1038 | |
| 1039 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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6201
diff
changeset
|
1040 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 1041 |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1042 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1043 |
| 6115 | 1044 if (from_upstream) { |
| 1045 src = pc; | |
| 1046 dst = c; | |
| 1047 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1048 limit_rate = pscf->download_rate; |
|
6201
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Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
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6200
diff
changeset
|
1049 received = &u->received; |
| 6115 | 1050 |
| 1051 } else { | |
| 1052 src = c; | |
| 1053 dst = pc; | |
| 1054 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1055 limit_rate = pscf->upload_rate; |
|
6201
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Stream: upstream and downstream limit rates.
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6200
diff
changeset
|
1056 received = &s->received; |
| 6115 | 1057 } |
| 1058 | |
| 1059 for ( ;; ) { | |
| 1060 | |
| 1061 if (do_write) { | |
| 1062 | |
| 1063 size = b->last - b->pos; | |
| 1064 | |
| 1065 if (size && dst && dst->write->ready) { | |
| 1066 | |
| 1067 n = dst->send(dst, b->pos, size); | |
| 1068 | |
| 1069 if (n == NGX_ERROR) { | |
| 1070 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1071 return NGX_ERROR; | |
| 1072 } | |
| 1073 | |
| 1074 if (n > 0) { | |
| 1075 b->pos += n; | |
| 1076 | |
| 1077 if (b->pos == b->last) { | |
| 1078 b->pos = b->start; | |
| 1079 b->last = b->start; | |
| 1080 } | |
| 1081 } | |
| 1082 } | |
| 1083 } | |
| 1084 | |
| 1085 size = b->end - b->last; | |
| 1086 | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1087 if (size && src->read->ready && !src->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1088 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1089 if (limit_rate) { |
|
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Stream: upstream and downstream limit rates.
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|
1090 limit = (off_t) limit_rate * (ngx_time() - u->start_sec + 1) |
|
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Stream: upstream and downstream limit rates.
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|
1091 - *received; |
|
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Stream: upstream and downstream limit rates.
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|
1092 |
|
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|
1093 if (limit <= 0) { |
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|
1094 src->read->delayed = 1; |
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|
1095 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
|
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|
1096 ngx_add_timer(src->read, delay); |
|
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|
1097 break; |
|
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|
1098 } |
|
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|
1099 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1100 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
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parents:
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|
1101 size = (size_t) limit; |
|
6201
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Stream: upstream and downstream limit rates.
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|
1102 } |
|
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|
1103 } |
| 6115 | 1104 |
| 1105 n = src->recv(src, b->last, size); | |
| 1106 | |
| 1107 if (n == NGX_AGAIN || n == 0) { | |
| 1108 break; | |
| 1109 } | |
| 1110 | |
| 1111 if (n > 0) { | |
|
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|
1112 if (limit_rate) { |
|
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|
1113 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1114 |
|
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|
1115 if (delay > 0) { |
|
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|
1116 src->read->delayed = 1; |
|
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Stream: upstream and downstream limit rates.
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|
1117 ngx_add_timer(src->read, delay); |
|
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Stream: upstream and downstream limit rates.
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|
1118 } |
| 6115 | 1119 } |
| 1120 | |
|
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|
1121 *received += n; |
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|
1122 b->last += n; |
| 6115 | 1123 do_write = 1; |
|
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|
1124 |
| 6115 | 1125 continue; |
| 1126 } | |
| 1127 | |
| 1128 if (n == NGX_ERROR) { | |
| 1129 src->read->eof = 1; | |
| 1130 } | |
| 1131 } | |
| 1132 | |
| 1133 break; | |
| 1134 } | |
| 1135 | |
| 1136 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1137 handler = c->log->handler; | |
| 1138 c->log->handler = NULL; | |
| 1139 | |
| 1140 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1141 "%s disconnected" | |
| 1142 ", bytes from/to client:%O/%O" | |
| 1143 ", bytes from/to upstream:%O/%O", | |
| 1144 from_upstream ? "upstream" : "client", | |
| 1145 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1146 | |
| 1147 c->log->handler = handler; | |
| 1148 | |
| 1149 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1150 return NGX_DONE; | |
| 1151 } | |
| 1152 | |
|
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Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1153 flags = src->read->eof ? NGX_CLOSE_EVENT : 0; |
|
f1f222db290b
Stream: prevent repeated event notifications after eof.
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|
1154 |
|
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diff
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|
1155 if (ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1156 ngx_stream_proxy_finalize(s, NGX_ERROR); |
| 1157 return NGX_ERROR; | |
| 1158 } | |
| 1159 | |
| 1160 if (dst) { | |
| 1161 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { | |
| 1162 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 1163 return NGX_ERROR; | |
| 1164 } | |
| 1165 | |
|
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|
1166 if (!c->read->delayed && !pc->read->delayed) { |
|
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diff
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|
1167 ngx_add_timer(c->write, pscf->timeout); |
|
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diff
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|
1168 |
|
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|
1169 } else if (c->write->timer_set) { |
|
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|
1170 ngx_del_timer(c->write); |
|
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|
1171 } |
| 6115 | 1172 } |
| 1173 | |
| 1174 return NGX_OK; | |
| 1175 } | |
| 1176 | |
| 1177 | |
| 1178 static void | |
| 1179 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1180 { | |
| 1181 ngx_msec_t timeout; | |
| 1182 ngx_connection_t *pc; | |
| 1183 ngx_stream_upstream_t *u; | |
| 1184 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1185 | |
| 1186 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1187 "stream proxy next upstream"); | |
| 1188 | |
| 1189 u = s->upstream; | |
| 1190 | |
| 1191 if (u->peer.sockaddr) { | |
| 1192 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1193 u->peer.sockaddr = NULL; | |
| 1194 } | |
| 1195 | |
| 1196 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1197 | |
| 1198 timeout = pscf->next_upstream_timeout; | |
| 1199 | |
| 1200 if (u->peer.tries == 0 | |
| 1201 || !pscf->next_upstream | |
| 1202 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1203 { | |
| 1204 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1205 return; | |
| 1206 } | |
| 1207 | |
| 1208 pc = u->peer.connection; | |
| 1209 | |
| 1210 if (pc) { | |
| 1211 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1212 "close proxy upstream connection: %d", pc->fd); | |
| 1213 | |
| 1214 #if (NGX_STREAM_SSL) | |
| 1215 if (pc->ssl) { | |
| 1216 pc->ssl->no_wait_shutdown = 1; | |
| 1217 pc->ssl->no_send_shutdown = 1; | |
| 1218 | |
| 1219 (void) ngx_ssl_shutdown(pc); | |
| 1220 } | |
| 1221 #endif | |
| 1222 | |
| 1223 ngx_close_connection(pc); | |
| 1224 u->peer.connection = NULL; | |
| 1225 } | |
| 1226 | |
| 1227 ngx_stream_proxy_connect(s); | |
| 1228 } | |
| 1229 | |
| 1230 | |
| 1231 static void | |
| 1232 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1233 { | |
| 1234 ngx_connection_t *pc; | |
| 1235 ngx_stream_upstream_t *u; | |
| 1236 | |
| 1237 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1238 "finalize stream proxy: %i", rc); | |
| 1239 | |
| 1240 u = s->upstream; | |
| 1241 | |
| 1242 if (u == NULL) { | |
| 1243 goto noupstream; | |
| 1244 } | |
| 1245 | |
| 1246 if (u->peer.free && u->peer.sockaddr) { | |
| 1247 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1248 u->peer.sockaddr = NULL; | |
| 1249 } | |
| 1250 | |
| 1251 pc = u->peer.connection; | |
| 1252 | |
| 1253 if (pc) { | |
| 1254 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1255 "close stream proxy upstream connection: %d", pc->fd); | |
| 1256 | |
| 1257 #if (NGX_STREAM_SSL) | |
| 1258 if (pc->ssl) { | |
| 1259 pc->ssl->no_wait_shutdown = 1; | |
| 1260 (void) ngx_ssl_shutdown(pc); | |
| 1261 } | |
| 1262 #endif | |
| 1263 | |
| 1264 ngx_close_connection(pc); | |
| 1265 u->peer.connection = NULL; | |
| 1266 } | |
| 1267 | |
| 1268 noupstream: | |
| 1269 | |
| 1270 ngx_stream_close_connection(s->connection); | |
| 1271 } | |
| 1272 | |
| 1273 | |
| 1274 static u_char * | |
| 1275 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1276 { | |
| 1277 u_char *p; | |
| 1278 ngx_connection_t *pc; | |
| 1279 ngx_stream_session_t *s; | |
| 1280 ngx_stream_upstream_t *u; | |
| 1281 | |
| 1282 s = log->data; | |
| 1283 | |
| 1284 u = s->upstream; | |
| 1285 | |
| 1286 p = buf; | |
| 1287 | |
| 1288 if (u->peer.name) { | |
| 1289 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1290 len -= p - buf; | |
| 1291 } | |
| 1292 | |
| 1293 pc = u->peer.connection; | |
| 1294 | |
| 1295 p = ngx_snprintf(p, len, | |
| 1296 ", bytes from/to client:%O/%O" | |
| 1297 ", bytes from/to upstream:%O/%O", | |
| 1298 s->received, s->connection->sent, | |
| 1299 u->received, pc ? pc->sent : 0); | |
| 1300 | |
| 1301 return p; | |
| 1302 } | |
| 1303 | |
| 1304 | |
| 1305 static void * | |
| 1306 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1307 { | |
| 1308 ngx_stream_proxy_srv_conf_t *conf; | |
| 1309 | |
| 1310 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1311 if (conf == NULL) { | |
| 1312 return NULL; | |
| 1313 } | |
| 1314 | |
| 1315 /* | |
| 1316 * set by ngx_pcalloc(): | |
| 1317 * | |
| 1318 * conf->ssl_protocols = 0; | |
| 1319 * conf->ssl_ciphers = { 0, NULL }; | |
| 1320 * conf->ssl_name = { 0, NULL }; | |
| 1321 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1322 * conf->ssl_crl = { 0, NULL }; | |
| 1323 * conf->ssl_certificate = { 0, NULL }; | |
| 1324 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1325 * | |
| 1326 * conf->ssl = NULL; | |
| 1327 * conf->upstream = NULL; | |
| 1328 */ | |
| 1329 | |
| 1330 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1331 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1332 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
|
1333 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1334 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
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parents:
6204
diff
changeset
|
1335 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6115 | 1336 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1337 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
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Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1338 conf->proxy_protocol = NGX_CONF_UNSET; |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1339 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1340 |
| 1341 #if (NGX_STREAM_SSL) | |
| 1342 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1343 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1344 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1345 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1346 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1347 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1348 #endif | |
| 1349 | |
| 1350 return conf; | |
| 1351 } | |
| 1352 | |
| 1353 | |
| 1354 static char * | |
| 1355 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1356 { | |
| 1357 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1358 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1359 | |
| 1360 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1361 prev->connect_timeout, 60000); | |
| 1362 | |
| 1363 ngx_conf_merge_msec_value(conf->timeout, | |
| 1364 prev->timeout, 10 * 60000); | |
| 1365 | |
| 1366 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1367 prev->next_upstream_timeout, 0); | |
| 1368 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1369 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
|
1370 prev->buffer_size, 16384); |
| 6115 | 1371 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1372 ngx_conf_merge_size_value(conf->upload_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1373 prev->upload_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1374 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1375 ngx_conf_merge_size_value(conf->download_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1376 prev->download_rate, 0); |
|
6201
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Stream: upstream and downstream limit rates.
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parents:
6200
diff
changeset
|
1377 |
| 6115 | 1378 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1379 prev->next_upstream_tries, 0); | |
| 1380 | |
| 1381 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1382 | |
|
6184
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Stream: client-side PROXY protocol.
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6183
diff
changeset
|
1383 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
|
fa663739e115
Stream: client-side PROXY protocol.
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diff
changeset
|
1384 |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1385 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
|
1386 |
| 6115 | 1387 #if (NGX_STREAM_SSL) |
| 1388 | |
| 1389 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1390 | |
| 1391 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1392 prev->ssl_session_reuse, 1); | |
| 1393 | |
| 1394 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
|
1395 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1396 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1397 |
| 1398 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1399 | |
| 1400 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1401 | |
| 1402 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1403 | |
| 1404 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1405 | |
| 1406 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1407 prev->ssl_verify_depth, 1); | |
| 1408 | |
| 1409 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1410 prev->ssl_trusted_certificate, ""); | |
| 1411 | |
| 1412 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1413 | |
| 1414 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1415 prev->ssl_certificate, ""); | |
| 1416 | |
| 1417 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1418 prev->ssl_certificate_key, ""); | |
| 1419 | |
| 1420 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1421 | |
| 1422 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1423 return NGX_CONF_ERROR; | |
| 1424 } | |
| 1425 | |
| 1426 #endif | |
| 1427 | |
| 1428 return NGX_CONF_OK; | |
| 1429 } | |
| 1430 | |
| 1431 | |
| 1432 #if (NGX_STREAM_SSL) | |
| 1433 | |
| 1434 static ngx_int_t | |
| 1435 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1436 { | |
| 1437 ngx_pool_cleanup_t *cln; | |
| 1438 | |
| 1439 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1440 if (pscf->ssl == NULL) { | |
| 1441 return NGX_ERROR; | |
| 1442 } | |
| 1443 | |
| 1444 pscf->ssl->log = cf->log; | |
| 1445 | |
| 1446 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1447 return NGX_ERROR; | |
| 1448 } | |
| 1449 | |
| 1450 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1451 if (cln == NULL) { | |
| 1452 return NGX_ERROR; | |
| 1453 } | |
| 1454 | |
| 1455 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1456 cln->data = pscf->ssl; | |
| 1457 | |
| 1458 if (pscf->ssl_certificate.len) { | |
| 1459 | |
| 1460 if (pscf->ssl_certificate_key.len == 0) { | |
| 1461 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1462 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1463 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1464 return NGX_ERROR; | |
| 1465 } | |
| 1466 | |
| 1467 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1468 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1469 != NGX_OK) | |
| 1470 { | |
| 1471 return NGX_ERROR; | |
| 1472 } | |
| 1473 } | |
| 1474 | |
| 1475 if (SSL_CTX_set_cipher_list(pscf->ssl->ctx, | |
| 1476 (const char *) pscf->ssl_ciphers.data) | |
| 1477 == 0) | |
| 1478 { | |
| 1479 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1480 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 1481 &pscf->ssl_ciphers); | |
| 1482 return NGX_ERROR; | |
| 1483 } | |
| 1484 | |
| 1485 if (pscf->ssl_verify) { | |
| 1486 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1487 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1488 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1489 return NGX_ERROR; | |
| 1490 } | |
| 1491 | |
| 1492 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1493 &pscf->ssl_trusted_certificate, | |
| 1494 pscf->ssl_verify_depth) | |
| 1495 != NGX_OK) | |
| 1496 { | |
| 1497 return NGX_ERROR; | |
| 1498 } | |
| 1499 | |
| 1500 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1501 return NGX_ERROR; | |
| 1502 } | |
| 1503 } | |
| 1504 | |
| 1505 return NGX_OK; | |
| 1506 } | |
| 1507 | |
| 1508 #endif | |
| 1509 | |
| 1510 | |
| 1511 static char * | |
| 1512 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1513 { | |
| 1514 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1515 | |
| 1516 ngx_url_t u; | |
| 1517 ngx_str_t *value, *url; | |
| 1518 ngx_stream_core_srv_conf_t *cscf; | |
| 1519 | |
| 1520 if (pscf->upstream) { | |
| 1521 return "is duplicate"; | |
| 1522 } | |
| 1523 | |
| 1524 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1525 | |
| 1526 cscf->handler = ngx_stream_proxy_handler; | |
| 1527 | |
| 1528 value = cf->args->elts; | |
| 1529 | |
| 1530 url = &value[1]; | |
| 1531 | |
| 1532 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1533 | |
| 1534 u.url = *url; | |
| 1535 u.no_resolve = 1; | |
| 1536 | |
| 1537 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1538 if (pscf->upstream == NULL) { | |
| 1539 return NGX_CONF_ERROR; | |
| 1540 } | |
| 1541 | |
| 1542 return NGX_CONF_OK; | |
| 1543 } | |
|
6183
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1544 |
|
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1545 |
|
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1546 static char * |
|
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1547 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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|
1548 { |
|
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1549 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
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1550 |
|
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1551 ngx_int_t rc; |
|
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|
1552 ngx_str_t *value; |
|
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1553 |
|
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1554 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
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1555 return "is duplicate"; |
|
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1556 } |
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1557 |
|
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1558 value = cf->args->elts; |
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1559 |
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1560 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
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1561 pscf->local = NULL; |
|
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1562 return NGX_CONF_OK; |
|
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1563 } |
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1564 |
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1565 pscf->local = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
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1566 if (pscf->local == NULL) { |
|
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1567 return NGX_CONF_ERROR; |
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1568 } |
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1569 |
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|
1570 rc = ngx_parse_addr(cf->pool, pscf->local, value[1].data, value[1].len); |
|
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1571 |
|
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|
1572 switch (rc) { |
|
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1573 case NGX_OK: |
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|
1574 pscf->local->name = value[1]; |
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1575 return NGX_CONF_OK; |
|
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1576 |
|
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|
1577 case NGX_DECLINED: |
|
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|
1578 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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|
1579 "invalid address \"%V\"", &value[1]); |
|
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1580 /* fall through */ |
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|
1581 |
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1582 default: |
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|
1583 return NGX_CONF_ERROR; |
|
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1584 } |
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1585 } |