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