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