Mercurial > hg > nginx
annotate src/stream/ngx_stream_proxy_module.c @ 6591:04d8d1f85649
SSL: ngx_ssl_ciphers() to set list of ciphers.
This patch moves various OpenSSL-specific function calls into the
OpenSSL module and introduces ngx_ssl_ciphers() to make nginx more
crypto-library-agnostic.
| author | Tim Taubert <tim@timtaubert.de> |
|---|---|
| date | Wed, 15 Jun 2016 21:05:30 +0100 |
| parents | 1d0e03db9f8e |
| children | b3b7e33083ac |
| 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 | |
|
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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 |
|
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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 { |
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449 ngx_addr_t *addr; |
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450 ngx_connection_t *c; |
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451 struct sockaddr_in *sin; |
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452 #if (NGX_HAVE_INET6) |
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453 struct sockaddr_in6 *sin6; |
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454 #endif |
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455 |
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456 if (local == NULL) { |
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457 u->peer.local = NULL; |
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458 return NGX_OK; |
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459 } |
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460 |
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461 #if (NGX_HAVE_TRANSPARENT_PROXY) |
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462 u->peer.transparent = local->transparent; |
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463 #endif |
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464 |
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465 if (local->addr) { |
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466 u->peer.local = local->addr; |
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467 return NGX_OK; |
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468 } |
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469 |
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470 /* $remote_addr */ |
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|
471 |
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472 c = s->connection; |
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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 addr = ngx_palloc(c->pool, sizeof(ngx_addr_t)); |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
475 if (addr == NULL) { |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
476 return NGX_ERROR; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
477 } |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
478 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
479 addr->socklen = c->socklen; |
|
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 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
|
482 if (addr->sockaddr == NULL) { |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
483 return NGX_ERROR; |
|
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 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
486 ngx_memcpy(addr->sockaddr, c->sockaddr, c->socklen); |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
487 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
488 switch (addr->sockaddr->sa_family) { |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
489 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
490 case AF_INET: |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
491 sin = (struct sockaddr_in *) addr->sockaddr; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
492 sin->sin_port = 0; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
493 break; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
494 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
495 #if (NGX_HAVE_INET6) |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
496 case AF_INET6: |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
497 sin6 = (struct sockaddr_in6 *) addr->sockaddr; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
498 sin6->sin6_port = 0; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
499 break; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
500 #endif |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
501 } |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
502 |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
503 addr->name = c->addr_text; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
504 u->peer.local = addr; |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6529
diff
changeset
|
505 |
|
6529
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
506 return NGX_OK; |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
507 } |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
508 |
|
cb8177ca0990
Stream: prepared proxy_bind to accept parameters.
Roman Arutyunyan <arut@nginx.com>
parents:
6461
diff
changeset
|
509 |
| 6115 | 510 static void |
| 511 ngx_stream_proxy_connect(ngx_stream_session_t *s) | |
| 512 { | |
| 513 ngx_int_t rc; | |
| 514 ngx_connection_t *c, *pc; | |
| 515 ngx_stream_upstream_t *u; | |
| 516 ngx_stream_proxy_srv_conf_t *pscf; | |
| 517 | |
| 518 c = s->connection; | |
| 519 | |
| 520 c->log->action = "connecting to upstream"; | |
| 521 | |
| 522 u = s->upstream; | |
| 523 | |
| 524 rc = ngx_event_connect_peer(&u->peer); | |
| 525 | |
| 526 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, "proxy connect: %i", rc); | |
| 527 | |
| 528 if (rc == NGX_ERROR) { | |
| 529 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 530 return; | |
| 531 } | |
| 532 | |
| 533 if (rc == NGX_BUSY) { | |
| 534 ngx_log_error(NGX_LOG_ERR, c->log, 0, "no live upstreams"); | |
| 535 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 536 return; | |
| 537 } | |
| 538 | |
| 539 if (rc == NGX_DECLINED) { | |
| 540 ngx_stream_proxy_next_upstream(s); | |
| 541 return; | |
| 542 } | |
| 543 | |
| 544 /* rc == NGX_OK || rc == NGX_AGAIN || rc == NGX_DONE */ | |
| 545 | |
| 546 pc = u->peer.connection; | |
| 547 | |
| 548 pc->data = s; | |
| 549 pc->log = c->log; | |
| 550 pc->pool = c->pool; | |
| 551 pc->read->log = c->log; | |
| 552 pc->write->log = c->log; | |
| 553 | |
| 554 if (rc != NGX_AGAIN) { | |
| 555 ngx_stream_proxy_init_upstream(s); | |
| 556 return; | |
| 557 } | |
| 558 | |
| 559 pc->read->handler = ngx_stream_proxy_connect_handler; | |
| 560 pc->write->handler = ngx_stream_proxy_connect_handler; | |
| 561 | |
|
6393
70e6e1f12dee
Stream: initialize variable right before using it.
Roman Arutyunyan <arut@nginx.com>
parents:
6392
diff
changeset
|
562 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
|
563 |
| 6115 | 564 ngx_add_timer(pc->write, pscf->connect_timeout); |
| 565 } | |
| 566 | |
| 567 | |
| 568 static void | |
| 569 ngx_stream_proxy_init_upstream(ngx_stream_session_t *s) | |
| 570 { | |
| 6222 | 571 int tcp_nodelay; |
| 6115 | 572 u_char *p; |
| 573 ngx_connection_t *c, *pc; | |
| 574 ngx_log_handler_pt handler; | |
| 575 ngx_stream_upstream_t *u; | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
576 ngx_stream_core_srv_conf_t *cscf; |
| 6115 | 577 ngx_stream_proxy_srv_conf_t *pscf; |
| 578 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
579 u = s->upstream; |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
580 pc = u->peer.connection; |
|
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 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
|
583 |
| 6436 | 584 if (pc->type == SOCK_STREAM |
| 585 && cscf->tcp_nodelay | |
| 586 && pc->tcp_nodelay == NGX_TCP_NODELAY_UNSET) | |
| 587 { | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
588 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
|
589 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
590 tcp_nodelay = 1; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
591 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
592 if (setsockopt(pc->fd, IPPROTO_TCP, TCP_NODELAY, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
593 (const void *) &tcp_nodelay, sizeof(int)) == -1) |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
594 { |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
595 ngx_connection_error(pc, ngx_socket_errno, |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
596 "setsockopt(TCP_NODELAY) failed"); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
597 ngx_stream_proxy_next_upstream(s); |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
598 return; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
599 } |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
600 |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
601 pc->tcp_nodelay = NGX_TCP_NODELAY_SET; |
|
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6217
diff
changeset
|
602 } |
| 6115 | 603 |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
604 if (u->proxy_protocol) { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
605 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
|
606 return; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
607 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
608 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
609 u->proxy_protocol = 0; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
610 } |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
611 |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
612 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
| 6115 | 613 |
| 614 #if (NGX_STREAM_SSL) | |
| 6436 | 615 if (pc->type == SOCK_STREAM && pscf->ssl && pc->ssl == NULL) { |
| 6115 | 616 ngx_stream_proxy_ssl_init_connection(s); |
| 617 return; | |
| 618 } | |
| 619 #endif | |
| 620 | |
| 621 c = s->connection; | |
| 622 | |
| 623 if (c->log->log_level >= NGX_LOG_INFO) { | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
624 ngx_str_t str; |
| 6115 | 625 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 626 | |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
627 str.len = NGX_SOCKADDR_STRLEN; |
|
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
628 str.data = addr; |
| 6115 | 629 |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
630 if (ngx_connection_local_sockaddr(pc, &str, 1) == NGX_OK) { |
| 6115 | 631 handler = c->log->handler; |
| 632 c->log->handler = NULL; | |
| 633 | |
|
6461
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
634 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
635 "%sproxy %V connected to %V", |
|
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
636 pc->type == SOCK_DGRAM ? "udp " : "", |
|
6230
2a621245f4cf
Win32: MSVC 2015 compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6222
diff
changeset
|
637 &str, u->peer.name); |
| 6115 | 638 |
| 639 c->log->handler = handler; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 c->log->action = "proxying connection"; | |
| 644 | |
| 6436 | 645 if (u->upstream_buf.start == NULL) { |
| 646 p = ngx_pnalloc(c->pool, pscf->buffer_size); | |
| 647 if (p == NULL) { | |
| 648 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 649 return; | |
| 650 } | |
| 651 | |
| 652 u->upstream_buf.start = p; | |
| 653 u->upstream_buf.end = p + pscf->buffer_size; | |
| 654 u->upstream_buf.pos = p; | |
| 655 u->upstream_buf.last = p; | |
| 6115 | 656 } |
| 657 | |
| 6436 | 658 if (c->type == SOCK_DGRAM) { |
| 659 s->received = c->buffer->last - c->buffer->pos; | |
| 660 u->downstream_buf = *c->buffer; | |
| 661 | |
| 662 if (pscf->responses == 0) { | |
| 663 pc->read->ready = 0; | |
| 664 pc->read->eof = 1; | |
| 665 } | |
| 666 } | |
| 6115 | 667 |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
668 u->connected = 1; |
|
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
669 |
| 6115 | 670 pc->read->handler = ngx_stream_proxy_upstream_handler; |
| 671 pc->write->handler = ngx_stream_proxy_upstream_handler; | |
| 672 | |
| 6436 | 673 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
|
674 ngx_post_event(pc->read, &ngx_posted_events); |
| 6115 | 675 } |
| 676 | |
| 677 ngx_stream_proxy_process(s, 0, 1); | |
| 678 } | |
| 679 | |
| 680 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
681 static ngx_int_t |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
682 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
|
683 { |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
684 u_char *p; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
685 ssize_t n, size; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
686 ngx_connection_t *c, *pc; |
|
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
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|
687 ngx_stream_upstream_t *u; |
|
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|
688 ngx_stream_proxy_srv_conf_t *pscf; |
|
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|
689 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
|
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|
690 |
|
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|
691 c = s->connection; |
|
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|
692 |
|
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|
693 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
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|
694 "stream proxy send PROXY protocol header"); |
|
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Stream: client-side PROXY protocol.
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|
695 |
|
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|
696 p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
|
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|
697 if (p == NULL) { |
|
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|
698 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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|
699 return NGX_ERROR; |
|
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|
700 } |
|
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|
701 |
|
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|
702 u = s->upstream; |
|
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|
703 |
|
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|
704 pc = u->peer.connection; |
|
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|
705 |
|
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706 size = p - buf; |
|
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Stream: client-side PROXY protocol.
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|
707 |
|
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|
708 n = pc->send(pc, buf, size); |
|
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Stream: client-side PROXY protocol.
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|
709 |
|
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Stream: client-side PROXY protocol.
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|
710 if (n == NGX_AGAIN) { |
|
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|
711 if (ngx_handle_write_event(pc->write, 0) != NGX_OK) { |
|
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|
712 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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|
713 return NGX_ERROR; |
|
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|
714 } |
|
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|
715 |
|
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|
716 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
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|
717 |
|
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|
718 ngx_add_timer(pc->write, pscf->timeout); |
|
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|
719 |
|
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|
720 pc->write->handler = ngx_stream_proxy_connect_handler; |
|
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|
721 |
|
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|
722 return NGX_AGAIN; |
|
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diff
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|
723 } |
|
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|
724 |
|
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|
725 if (n == NGX_ERROR) { |
|
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|
726 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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|
727 return NGX_ERROR; |
|
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|
728 } |
|
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diff
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|
729 |
|
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|
730 if (n != size) { |
|
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Stream: client-side PROXY protocol.
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|
731 |
|
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|
732 /* |
|
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|
733 * PROXY protocol specification: |
|
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|
734 * The sender must always ensure that the header |
|
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|
735 * is sent at once, so that the transport layer |
|
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|
736 * maintains atomicity along the path to the receiver. |
|
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|
737 */ |
|
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|
738 |
|
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|
739 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
|
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|
740 "could not send PROXY protocol header at once"); |
|
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|
741 |
|
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|
742 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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|
743 |
|
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|
744 return NGX_ERROR; |
|
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|
745 } |
|
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|
746 |
|
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|
747 return NGX_OK; |
|
fa663739e115
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diff
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|
748 } |
|
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|
749 |
|
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|
750 |
| 6115 | 751 #if (NGX_STREAM_SSL) |
| 752 | |
| 753 static char * | |
| 754 ngx_stream_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 755 void *conf) | |
| 756 { | |
| 757 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 758 | |
| 759 ngx_str_t *value; | |
| 760 | |
| 761 if (pscf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
| 762 return "is duplicate"; | |
| 763 } | |
| 764 | |
| 765 value = cf->args->elts; | |
| 766 | |
| 767 pscf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
| 768 | |
| 769 if (pscf->ssl_passwords == NULL) { | |
| 770 return NGX_CONF_ERROR; | |
| 771 } | |
| 772 | |
| 773 return NGX_CONF_OK; | |
| 774 } | |
| 775 | |
| 776 | |
| 777 static void | |
| 778 ngx_stream_proxy_ssl_init_connection(ngx_stream_session_t *s) | |
| 779 { | |
| 780 ngx_int_t rc; | |
| 781 ngx_connection_t *pc; | |
| 782 ngx_stream_upstream_t *u; | |
| 783 ngx_stream_proxy_srv_conf_t *pscf; | |
| 784 | |
| 785 u = s->upstream; | |
| 786 | |
| 787 pc = u->peer.connection; | |
| 788 | |
| 789 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 790 | |
| 791 if (ngx_ssl_create_connection(pscf->ssl, pc, NGX_SSL_BUFFER|NGX_SSL_CLIENT) | |
| 792 != NGX_OK) | |
| 793 { | |
| 794 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 795 return; | |
| 796 } | |
| 797 | |
| 798 if (pscf->ssl_server_name || pscf->ssl_verify) { | |
| 799 if (ngx_stream_proxy_ssl_name(s) != NGX_OK) { | |
| 800 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 801 return; | |
| 802 } | |
| 803 } | |
| 804 | |
| 805 if (pscf->ssl_session_reuse) { | |
| 806 if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { | |
| 807 ngx_stream_proxy_finalize(s, NGX_ERROR); | |
| 808 return; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 s->connection->log->action = "SSL handshaking to upstream"; | |
| 813 | |
| 814 rc = ngx_ssl_handshake(pc); | |
| 815 | |
| 816 if (rc == NGX_AGAIN) { | |
| 817 | |
| 818 if (!pc->write->timer_set) { | |
| 819 ngx_add_timer(pc->write, pscf->connect_timeout); | |
| 820 } | |
| 821 | |
| 822 pc->ssl->handler = ngx_stream_proxy_ssl_handshake; | |
| 823 return; | |
| 824 } | |
| 825 | |
| 826 ngx_stream_proxy_ssl_handshake(pc); | |
| 827 } | |
| 828 | |
| 829 | |
| 830 static void | |
| 831 ngx_stream_proxy_ssl_handshake(ngx_connection_t *pc) | |
| 832 { | |
| 833 long rc; | |
| 834 ngx_stream_session_t *s; | |
| 835 ngx_stream_upstream_t *u; | |
| 836 ngx_stream_proxy_srv_conf_t *pscf; | |
| 837 | |
| 838 s = pc->data; | |
| 839 | |
| 840 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 841 | |
| 842 if (pc->ssl->handshaked) { | |
| 843 | |
| 844 if (pscf->ssl_verify) { | |
| 845 rc = SSL_get_verify_result(pc->ssl->connection); | |
| 846 | |
| 847 if (rc != X509_V_OK) { | |
| 848 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 849 "upstream SSL certificate verify error: (%l:%s)", | |
| 850 rc, X509_verify_cert_error_string(rc)); | |
| 851 goto failed; | |
| 852 } | |
| 853 | |
| 854 u = s->upstream; | |
| 855 | |
| 856 if (ngx_ssl_check_host(pc, &u->ssl_name) != NGX_OK) { | |
| 857 ngx_log_error(NGX_LOG_ERR, pc->log, 0, | |
| 858 "upstream SSL certificate does not match \"%V\"", | |
| 859 &u->ssl_name); | |
| 860 goto failed; | |
| 861 } | |
| 862 } | |
| 863 | |
| 864 if (pscf->ssl_session_reuse) { | |
| 865 u = s->upstream; | |
| 866 u->peer.save_session(&u->peer, u->peer.data); | |
| 867 } | |
| 868 | |
|
6258
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diff
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|
869 if (pc->write->timer_set) { |
|
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diff
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|
870 ngx_del_timer(pc->write); |
|
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diff
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|
871 } |
|
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diff
changeset
|
872 |
| 6115 | 873 ngx_stream_proxy_init_upstream(s); |
| 874 | |
| 875 return; | |
| 876 } | |
| 877 | |
| 878 failed: | |
| 879 | |
| 880 ngx_stream_proxy_next_upstream(s); | |
| 881 } | |
| 882 | |
| 883 | |
| 884 static ngx_int_t | |
| 885 ngx_stream_proxy_ssl_name(ngx_stream_session_t *s) | |
| 886 { | |
| 887 u_char *p, *last; | |
| 888 ngx_str_t name; | |
| 889 ngx_stream_upstream_t *u; | |
| 890 ngx_stream_proxy_srv_conf_t *pscf; | |
| 891 | |
| 892 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 893 | |
| 894 u = s->upstream; | |
| 895 | |
| 896 name = pscf->ssl_name; | |
| 897 | |
| 898 if (name.len == 0) { | |
| 899 name = pscf->upstream->host; | |
| 900 } | |
| 901 | |
| 902 if (name.len == 0) { | |
| 903 goto done; | |
| 904 } | |
| 905 | |
| 906 /* | |
| 907 * ssl name here may contain port, strip it for compatibility | |
| 908 * with the http module | |
| 909 */ | |
| 910 | |
| 911 p = name.data; | |
| 912 last = name.data + name.len; | |
| 913 | |
| 914 if (*p == '[') { | |
| 915 p = ngx_strlchr(p, last, ']'); | |
| 916 | |
| 917 if (p == NULL) { | |
| 918 p = name.data; | |
| 919 } | |
| 920 } | |
| 921 | |
| 922 p = ngx_strlchr(p, last, ':'); | |
| 923 | |
| 924 if (p != NULL) { | |
| 925 name.len = p - name.data; | |
| 926 } | |
| 927 | |
| 928 if (!pscf->ssl_server_name) { | |
| 929 goto done; | |
| 930 } | |
| 931 | |
| 932 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME | |
| 933 | |
| 934 /* as per RFC 6066, literal IPv4 and IPv6 addresses are not permitted */ | |
| 935 | |
| 936 if (name.len == 0 || *name.data == '[') { | |
| 937 goto done; | |
| 938 } | |
| 939 | |
| 940 if (ngx_inet_addr(name.data, name.len) != INADDR_NONE) { | |
| 941 goto done; | |
| 942 } | |
| 943 | |
| 944 /* | |
| 945 * SSL_set_tlsext_host_name() needs a null-terminated string, | |
| 946 * hence we explicitly null-terminate name here | |
| 947 */ | |
| 948 | |
| 949 p = ngx_pnalloc(s->connection->pool, name.len + 1); | |
| 950 if (p == NULL) { | |
| 951 return NGX_ERROR; | |
| 952 } | |
| 953 | |
| 954 (void) ngx_cpystrn(p, name.data, name.len + 1); | |
| 955 | |
| 956 name.data = p; | |
| 957 | |
| 958 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 959 "upstream SSL server name: \"%s\"", name.data); | |
| 960 | |
| 961 if (SSL_set_tlsext_host_name(u->peer.connection->ssl->connection, name.data) | |
| 962 == 0) | |
| 963 { | |
| 964 ngx_ssl_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 965 "SSL_set_tlsext_host_name(\"%s\") failed", name.data); | |
| 966 return NGX_ERROR; | |
| 967 } | |
| 968 | |
| 969 #endif | |
| 970 | |
| 971 done: | |
| 972 | |
| 973 u->ssl_name = name; | |
| 974 | |
| 975 return NGX_OK; | |
| 976 } | |
| 977 | |
| 978 #endif | |
| 979 | |
| 980 | |
| 981 static void | |
| 982 ngx_stream_proxy_downstream_handler(ngx_event_t *ev) | |
| 983 { | |
|
6200
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diff
changeset
|
984 ngx_stream_proxy_process_connection(ev, ev->write); |
|
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|
985 } |
|
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Stream: common handler for upstream and downstream.
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diff
changeset
|
986 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
987 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
changeset
|
988 static void |
|
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Stream: common handler for upstream and downstream.
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changeset
|
989 ngx_stream_proxy_upstream_handler(ngx_event_t *ev) |
|
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Stream: common handler for upstream and downstream.
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|
990 { |
|
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Stream: common handler for upstream and downstream.
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|
991 ngx_stream_proxy_process_connection(ev, !ev->write); |
|
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Stream: common handler for upstream and downstream.
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|
992 } |
|
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Stream: common handler for upstream and downstream.
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|
993 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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diff
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|
994 |
|
abee77018d3a
Stream: common handler for upstream and downstream.
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|
995 static void |
|
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Stream: common handler for upstream and downstream.
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|
996 ngx_stream_proxy_process_connection(ngx_event_t *ev, ngx_uint_t from_upstream) |
|
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Stream: common handler for upstream and downstream.
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|
997 { |
|
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|
998 ngx_connection_t *c, *pc; |
|
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999 ngx_stream_session_t *s; |
|
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Stream: upstream and downstream limit rates.
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|
1000 ngx_stream_upstream_t *u; |
|
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|
1001 ngx_stream_proxy_srv_conf_t *pscf; |
| 6115 | 1002 |
| 1003 c = ev->data; | |
| 1004 s = c->data; | |
|
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Stream: common handler for upstream and downstream.
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|
1005 u = s->upstream; |
| 6115 | 1006 |
| 6436 | 1007 c = s->connection; |
| 1008 pc = u->peer.connection; | |
| 1009 | |
| 1010 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1011 | |
| 6115 | 1012 if (ev->timedout) { |
| 6436 | 1013 ev->timedout = 0; |
|
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Stream: upstream and downstream limit rates.
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|
1014 |
|
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|
1015 if (ev->delayed) { |
|
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|
1016 ev->delayed = 0; |
|
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Stream: upstream and downstream limit rates.
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|
1017 |
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Stream: upstream and downstream limit rates.
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|
1018 if (!ev->ready) { |
|
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Stream: upstream and downstream limit rates.
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|
1019 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
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|
1020 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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Stream: upstream and downstream limit rates.
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|
1021 return; |
|
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Stream: upstream and downstream limit rates.
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|
1022 } |
|
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|
1023 |
| 6436 | 1024 if (u->connected && !c->read->delayed && !pc->read->delayed) { |
| 1025 ngx_add_timer(c->write, pscf->timeout); | |
|
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Stream: upstream and downstream limit rates.
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|
1026 } |
|
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Stream: upstream and downstream limit rates.
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|
1027 |
|
24488e6db782
Stream: upstream and downstream limit rates.
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|
1028 return; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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|
1029 } |
|
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Stream: upstream and downstream limit rates.
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|
1030 |
|
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Stream: upstream and downstream limit rates.
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|
1031 } else { |
| 6436 | 1032 if (s->connection->type == SOCK_DGRAM) { |
| 1033 if (pscf->responses == NGX_MAX_INT32_VALUE) { | |
| 1034 | |
| 1035 /* | |
| 1036 * successfully terminate timed out UDP session | |
| 1037 * with unspecified number of responses | |
| 1038 */ | |
| 1039 | |
| 1040 pc->read->ready = 0; | |
| 1041 pc->read->eof = 1; | |
| 1042 | |
| 1043 ngx_stream_proxy_process(s, 1, 0); | |
| 1044 return; | |
| 1045 } | |
| 1046 | |
| 1047 if (u->received == 0) { | |
| 1048 ngx_stream_proxy_next_upstream(s); | |
| 1049 return; | |
| 1050 } | |
| 1051 } | |
| 1052 | |
|
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Stream: upstream and downstream limit rates.
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|
1053 ngx_connection_error(c, NGX_ETIMEDOUT, "connection timed out"); |
|
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|
1054 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
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Stream: upstream and downstream limit rates.
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|
1055 return; |
|
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Stream: upstream and downstream limit rates.
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changeset
|
1056 } |
|
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Stream: upstream and downstream limit rates.
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|
1057 |
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|
1058 } else if (ev->delayed) { |
|
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Stream: upstream and downstream limit rates.
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|
1059 |
|
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Stream: upstream and downstream limit rates.
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|
1060 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, |
|
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Stream: upstream and downstream limit rates.
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|
1061 "stream connection delayed"); |
|
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Stream: upstream and downstream limit rates.
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|
1062 |
|
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Stream: upstream and downstream limit rates.
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|
1063 if (ngx_handle_read_event(ev, 0) != NGX_OK) { |
|
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|
1064 ngx_stream_proxy_finalize(s, NGX_ERROR); |
|
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Stream: upstream and downstream limit rates.
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|
1065 } |
|
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Stream: upstream and downstream limit rates.
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diff
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|
1066 |
| 6115 | 1067 return; |
| 1068 } | |
| 1069 | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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6201
diff
changeset
|
1070 if (from_upstream && !u->connected) { |
|
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Stream: common handler for upstream and downstream.
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diff
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|
1071 return; |
| 6115 | 1072 } |
| 1073 | |
|
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Stream: common handler for upstream and downstream.
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diff
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|
1074 ngx_stream_proxy_process(s, from_upstream, ev->write); |
| 6115 | 1075 } |
| 1076 | |
| 1077 | |
| 1078 static void | |
| 1079 ngx_stream_proxy_connect_handler(ngx_event_t *ev) | |
| 1080 { | |
| 1081 ngx_connection_t *c; | |
| 1082 ngx_stream_session_t *s; | |
| 1083 | |
| 1084 c = ev->data; | |
| 1085 s = c->data; | |
| 1086 | |
| 1087 if (ev->timedout) { | |
| 1088 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT, "upstream timed out"); | |
| 1089 ngx_stream_proxy_next_upstream(s); | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 1093 ngx_del_timer(c->write); | |
| 1094 | |
| 1095 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, | |
| 1096 "stream proxy connect upstream"); | |
| 1097 | |
| 1098 if (ngx_stream_proxy_test_connect(c) != NGX_OK) { | |
| 1099 ngx_stream_proxy_next_upstream(s); | |
| 1100 return; | |
| 1101 } | |
| 1102 | |
| 1103 ngx_stream_proxy_init_upstream(s); | |
| 1104 } | |
| 1105 | |
| 1106 | |
| 1107 static ngx_int_t | |
| 1108 ngx_stream_proxy_test_connect(ngx_connection_t *c) | |
| 1109 { | |
| 1110 int err; | |
| 1111 socklen_t len; | |
| 1112 | |
| 1113 #if (NGX_HAVE_KQUEUE) | |
| 1114 | |
| 1115 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { | |
| 1116 err = c->write->kq_errno ? c->write->kq_errno : c->read->kq_errno; | |
| 1117 | |
| 1118 if (err) { | |
| 1119 (void) ngx_connection_error(c, err, | |
| 1120 "kevent() reported that connect() failed"); | |
| 1121 return NGX_ERROR; | |
| 1122 } | |
| 1123 | |
| 1124 } else | |
| 1125 #endif | |
| 1126 { | |
| 1127 err = 0; | |
| 1128 len = sizeof(int); | |
| 1129 | |
| 1130 /* | |
| 1131 * BSDs and Linux return 0 and set a pending error in err | |
| 1132 * Solaris returns -1 and sets errno | |
| 1133 */ | |
| 1134 | |
| 1135 if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void *) &err, &len) | |
| 1136 == -1) | |
| 1137 { | |
| 1138 err = ngx_socket_errno; | |
| 1139 } | |
| 1140 | |
| 1141 if (err) { | |
| 1142 (void) ngx_connection_error(c, err, "connect() failed"); | |
| 1143 return NGX_ERROR; | |
| 1144 } | |
| 1145 } | |
| 1146 | |
| 1147 return NGX_OK; | |
| 1148 } | |
| 1149 | |
| 1150 | |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
Roman Arutyunyan <arut@nginx.com>
parents:
6393
diff
changeset
|
1151 static void |
| 6115 | 1152 ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream, |
| 1153 ngx_uint_t do_write) | |
| 1154 { | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1155 off_t *received, limit; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1156 size_t size, limit_rate; |
| 6115 | 1157 ssize_t n; |
| 1158 ngx_buf_t *b; | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1159 ngx_uint_t flags; |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1160 ngx_msec_t delay; |
| 6115 | 1161 ngx_connection_t *c, *pc, *src, *dst; |
| 1162 ngx_log_handler_pt handler; | |
| 1163 ngx_stream_upstream_t *u; | |
| 1164 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1165 | |
| 1166 u = s->upstream; | |
| 1167 | |
| 1168 c = s->connection; | |
|
6202
6345822f0abb
Stream: upstream "connected" flag.
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diff
changeset
|
1169 pc = u->connected ? u->peer.connection : NULL; |
| 6115 | 1170 |
| 6436 | 1171 if (c->type == SOCK_DGRAM && (ngx_terminate || ngx_exiting)) { |
| 1172 | |
| 1173 /* socket is already closed on worker shutdown */ | |
| 1174 | |
| 1175 handler = c->log->handler; | |
| 1176 c->log->handler = NULL; | |
| 1177 | |
| 1178 ngx_log_error(NGX_LOG_INFO, c->log, 0, "disconnected on shutdown"); | |
| 1179 | |
| 1180 c->log->handler = handler; | |
| 1181 | |
| 1182 ngx_stream_proxy_finalize(s, NGX_OK); | |
| 1183 return; | |
| 1184 } | |
| 1185 | |
|
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|
1186 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); |
|
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|
1187 |
| 6115 | 1188 if (from_upstream) { |
| 1189 src = pc; | |
| 1190 dst = c; | |
| 1191 b = &u->upstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1192 limit_rate = pscf->download_rate; |
|
6201
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Stream: upstream and downstream limit rates.
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diff
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|
1193 received = &u->received; |
| 6115 | 1194 |
| 1195 } else { | |
| 1196 src = c; | |
| 1197 dst = pc; | |
| 1198 b = &u->downstream_buf; | |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1199 limit_rate = pscf->upload_rate; |
|
6201
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diff
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|
1200 received = &s->received; |
| 6115 | 1201 } |
| 1202 | |
| 1203 for ( ;; ) { | |
| 1204 | |
| 1205 if (do_write) { | |
| 1206 | |
| 1207 size = b->last - b->pos; | |
| 1208 | |
| 1209 if (size && dst && dst->write->ready) { | |
| 1210 | |
| 1211 n = dst->send(dst, b->pos, size); | |
| 1212 | |
| 6436 | 1213 if (n == NGX_AGAIN && dst->shared) { |
| 1214 /* cannot wait on a shared socket */ | |
| 1215 n = NGX_ERROR; | |
| 1216 } | |
| 1217 | |
| 6115 | 1218 if (n == NGX_ERROR) { |
| 6436 | 1219 if (c->type == SOCK_DGRAM && !from_upstream) { |
| 1220 ngx_stream_proxy_next_upstream(s); | |
| 1221 return; | |
| 1222 } | |
| 1223 | |
| 6115 | 1224 ngx_stream_proxy_finalize(s, NGX_DECLINED); |
|
6435
d1c791479bbb
Stream: post first read events from client and upstream.
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parents:
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diff
changeset
|
1225 return; |
| 6115 | 1226 } |
| 1227 | |
| 1228 if (n > 0) { | |
| 1229 b->pos += n; | |
| 1230 | |
| 1231 if (b->pos == b->last) { | |
| 1232 b->pos = b->start; | |
| 1233 b->last = b->start; | |
| 1234 } | |
| 1235 } | |
| 1236 } | |
| 1237 } | |
| 1238 | |
| 1239 size = b->end - b->last; | |
| 1240 | |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1241 if (size && src->read->ready && !src->read->delayed) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1242 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1243 if (limit_rate) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1244 limit = (off_t) limit_rate * (ngx_time() - u->start_sec + 1) |
|
24488e6db782
Stream: upstream and downstream limit rates.
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|
1245 - *received; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1246 |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1247 if (limit <= 0) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1248 src->read->delayed = 1; |
|
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Stream: upstream and downstream limit rates.
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changeset
|
1249 delay = (ngx_msec_t) (- limit * 1000 / limit_rate + 1); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1250 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1251 break; |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1252 } |
|
24488e6db782
Stream: upstream and downstream limit rates.
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diff
changeset
|
1253 |
|
6204
114d1f8cdcab
Stream: fixed possible integer overflow in rate limiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6203
diff
changeset
|
1254 if ((off_t) size > limit) { |
|
6203
fdfdcad62875
Stream: fixed MSVC compilation warning.
Roman Arutyunyan <arut@nginx.com>
parents:
6202
diff
changeset
|
1255 size = (size_t) limit; |
|
6201
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Stream: upstream and downstream limit rates.
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|
1256 } |
|
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Stream: upstream and downstream limit rates.
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changeset
|
1257 } |
| 6115 | 1258 |
| 1259 n = src->recv(src, b->last, size); | |
| 1260 | |
| 1261 if (n == NGX_AGAIN || n == 0) { | |
| 1262 break; | |
| 1263 } | |
| 1264 | |
| 1265 if (n > 0) { | |
|
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diff
changeset
|
1266 if (limit_rate) { |
|
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1267 delay = (ngx_msec_t) (n * 1000 / limit_rate); |
| 6115 | 1268 |
|
6201
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Stream: upstream and downstream limit rates.
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diff
changeset
|
1269 if (delay > 0) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1270 src->read->delayed = 1; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1271 ngx_add_timer(src->read, delay); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1272 } |
| 6115 | 1273 } |
| 1274 | |
| 6436 | 1275 if (c->type == SOCK_DGRAM && ++u->responses == pscf->responses) |
| 1276 { | |
| 1277 src->read->ready = 0; | |
| 1278 src->read->eof = 1; | |
| 1279 } | |
| 1280 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1281 *received += n; |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1282 b->last += n; |
| 6115 | 1283 do_write = 1; |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1284 |
| 6115 | 1285 continue; |
| 1286 } | |
| 1287 | |
| 1288 if (n == NGX_ERROR) { | |
| 6436 | 1289 if (c->type == SOCK_DGRAM && u->received == 0) { |
| 1290 ngx_stream_proxy_next_upstream(s); | |
| 1291 return; | |
| 1292 } | |
| 1293 | |
| 6115 | 1294 src->read->eof = 1; |
| 1295 } | |
| 1296 } | |
| 1297 | |
| 1298 break; | |
| 1299 } | |
| 1300 | |
| 1301 if (src->read->eof && (b->pos == b->last || (dst && dst->read->eof))) { | |
| 1302 handler = c->log->handler; | |
| 1303 c->log->handler = NULL; | |
| 1304 | |
| 1305 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
|
1306 "%s%s disconnected" |
| 6115 | 1307 ", bytes from/to client:%O/%O" |
| 1308 ", bytes from/to upstream:%O/%O", | |
|
6461
a01e315b3a78
Stream: additional logging for UDP.
Vladimir Homutov <vl@nginx.com>
parents:
6436
diff
changeset
|
1309 src->type == SOCK_DGRAM ? "udp " : "", |
| 6115 | 1310 from_upstream ? "upstream" : "client", |
| 1311 s->received, c->sent, u->received, pc ? pc->sent : 0); | |
| 1312 | |
| 1313 c->log->handler = handler; | |
| 1314 | |
| 1315 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
|
1316 return; |
| 6115 | 1317 } |
| 1318 | |
|
6124
f1f222db290b
Stream: prevent repeated event notifications after eof.
Roman Arutyunyan <arut@nginx.com>
parents:
6115
diff
changeset
|
1319 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
|
1320 |
| 6436 | 1321 if (!src->shared && ngx_handle_read_event(src->read, flags) != NGX_OK) { |
| 6115 | 1322 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
|
1323 return; |
| 6115 | 1324 } |
| 1325 | |
| 1326 if (dst) { | |
| 6436 | 1327 if (!dst->shared && ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
| 6115 | 1328 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
|
1329 return; |
| 6115 | 1330 } |
| 1331 | |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1332 if (!c->read->delayed && !pc->read->delayed) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1333 ngx_add_timer(c->write, pscf->timeout); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1334 |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1335 } else if (c->write->timer_set) { |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1336 ngx_del_timer(c->write); |
|
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1337 } |
| 6115 | 1338 } |
| 1339 } | |
| 1340 | |
| 1341 | |
| 1342 static void | |
| 1343 ngx_stream_proxy_next_upstream(ngx_stream_session_t *s) | |
| 1344 { | |
| 1345 ngx_msec_t timeout; | |
| 1346 ngx_connection_t *pc; | |
| 1347 ngx_stream_upstream_t *u; | |
| 1348 ngx_stream_proxy_srv_conf_t *pscf; | |
| 1349 | |
| 1350 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1351 "stream proxy next upstream"); | |
| 1352 | |
| 1353 u = s->upstream; | |
| 1354 | |
| 1355 if (u->peer.sockaddr) { | |
| 1356 u->peer.free(&u->peer, u->peer.data, NGX_PEER_FAILED); | |
| 1357 u->peer.sockaddr = NULL; | |
| 1358 } | |
| 1359 | |
| 1360 pscf = ngx_stream_get_module_srv_conf(s, ngx_stream_proxy_module); | |
| 1361 | |
| 1362 timeout = pscf->next_upstream_timeout; | |
| 1363 | |
| 1364 if (u->peer.tries == 0 | |
| 1365 || !pscf->next_upstream | |
| 1366 || (timeout && ngx_current_msec - u->peer.start_time >= timeout)) | |
| 1367 { | |
| 1368 ngx_stream_proxy_finalize(s, NGX_DECLINED); | |
| 1369 return; | |
| 1370 } | |
| 1371 | |
| 1372 pc = u->peer.connection; | |
| 1373 | |
| 1374 if (pc) { | |
| 1375 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1376 "close proxy upstream connection: %d", pc->fd); | |
| 1377 | |
| 1378 #if (NGX_STREAM_SSL) | |
| 1379 if (pc->ssl) { | |
| 1380 pc->ssl->no_wait_shutdown = 1; | |
| 1381 pc->ssl->no_send_shutdown = 1; | |
| 1382 | |
| 1383 (void) ngx_ssl_shutdown(pc); | |
| 1384 } | |
| 1385 #endif | |
| 1386 | |
| 1387 ngx_close_connection(pc); | |
| 1388 u->peer.connection = NULL; | |
| 1389 } | |
| 1390 | |
| 1391 ngx_stream_proxy_connect(s); | |
| 1392 } | |
| 1393 | |
| 1394 | |
| 1395 static void | |
| 1396 ngx_stream_proxy_finalize(ngx_stream_session_t *s, ngx_int_t rc) | |
| 1397 { | |
| 1398 ngx_connection_t *pc; | |
| 1399 ngx_stream_upstream_t *u; | |
| 1400 | |
| 1401 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1402 "finalize stream proxy: %i", rc); | |
| 1403 | |
| 1404 u = s->upstream; | |
| 1405 | |
| 1406 if (u == NULL) { | |
| 1407 goto noupstream; | |
| 1408 } | |
| 1409 | |
| 1410 if (u->peer.free && u->peer.sockaddr) { | |
| 1411 u->peer.free(&u->peer, u->peer.data, 0); | |
| 1412 u->peer.sockaddr = NULL; | |
| 1413 } | |
| 1414 | |
| 1415 pc = u->peer.connection; | |
| 1416 | |
| 1417 if (pc) { | |
| 1418 ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 1419 "close stream proxy upstream connection: %d", pc->fd); | |
| 1420 | |
| 1421 #if (NGX_STREAM_SSL) | |
| 1422 if (pc->ssl) { | |
| 1423 pc->ssl->no_wait_shutdown = 1; | |
| 1424 (void) ngx_ssl_shutdown(pc); | |
| 1425 } | |
| 1426 #endif | |
| 1427 | |
| 1428 ngx_close_connection(pc); | |
| 1429 u->peer.connection = NULL; | |
| 1430 } | |
| 1431 | |
| 1432 noupstream: | |
| 1433 | |
| 1434 ngx_stream_close_connection(s->connection); | |
| 1435 } | |
| 1436 | |
| 1437 | |
| 1438 static u_char * | |
| 1439 ngx_stream_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1440 { | |
| 1441 u_char *p; | |
| 1442 ngx_connection_t *pc; | |
| 1443 ngx_stream_session_t *s; | |
| 1444 ngx_stream_upstream_t *u; | |
| 1445 | |
| 1446 s = log->data; | |
| 1447 | |
| 1448 u = s->upstream; | |
| 1449 | |
| 1450 p = buf; | |
| 1451 | |
| 1452 if (u->peer.name) { | |
| 1453 p = ngx_snprintf(p, len, ", upstream: \"%V\"", u->peer.name); | |
| 1454 len -= p - buf; | |
| 1455 } | |
| 1456 | |
| 1457 pc = u->peer.connection; | |
| 1458 | |
| 1459 p = ngx_snprintf(p, len, | |
| 1460 ", bytes from/to client:%O/%O" | |
| 1461 ", bytes from/to upstream:%O/%O", | |
| 1462 s->received, s->connection->sent, | |
| 1463 u->received, pc ? pc->sent : 0); | |
| 1464 | |
| 1465 return p; | |
| 1466 } | |
| 1467 | |
| 1468 | |
| 1469 static void * | |
| 1470 ngx_stream_proxy_create_srv_conf(ngx_conf_t *cf) | |
| 1471 { | |
| 1472 ngx_stream_proxy_srv_conf_t *conf; | |
| 1473 | |
| 1474 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_proxy_srv_conf_t)); | |
| 1475 if (conf == NULL) { | |
| 1476 return NULL; | |
| 1477 } | |
| 1478 | |
| 1479 /* | |
| 1480 * set by ngx_pcalloc(): | |
| 1481 * | |
| 1482 * conf->ssl_protocols = 0; | |
| 1483 * conf->ssl_ciphers = { 0, NULL }; | |
| 1484 * conf->ssl_name = { 0, NULL }; | |
| 1485 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 1486 * conf->ssl_crl = { 0, NULL }; | |
| 1487 * conf->ssl_certificate = { 0, NULL }; | |
| 1488 * conf->ssl_certificate_key = { 0, NULL }; | |
| 1489 * | |
| 1490 * conf->ssl = NULL; | |
| 1491 * conf->upstream = NULL; | |
| 1492 */ | |
| 1493 | |
| 1494 conf->connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1495 conf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1496 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
|
1497 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1498 conf->upload_rate = NGX_CONF_UNSET_SIZE; |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1499 conf->download_rate = NGX_CONF_UNSET_SIZE; |
| 6436 | 1500 conf->responses = NGX_CONF_UNSET_UINT; |
| 6115 | 1501 conf->next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 1502 conf->next_upstream = NGX_CONF_UNSET; | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1503 conf->proxy_protocol = NGX_CONF_UNSET; |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1504 conf->local = NGX_CONF_UNSET_PTR; |
| 6115 | 1505 |
| 1506 #if (NGX_STREAM_SSL) | |
| 1507 conf->ssl_enable = NGX_CONF_UNSET; | |
| 1508 conf->ssl_session_reuse = NGX_CONF_UNSET; | |
| 1509 conf->ssl_server_name = NGX_CONF_UNSET; | |
| 1510 conf->ssl_verify = NGX_CONF_UNSET; | |
| 1511 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
| 1512 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
| 1513 #endif | |
| 1514 | |
| 1515 return conf; | |
| 1516 } | |
| 1517 | |
| 1518 | |
| 1519 static char * | |
| 1520 ngx_stream_proxy_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1521 { | |
| 1522 ngx_stream_proxy_srv_conf_t *prev = parent; | |
| 1523 ngx_stream_proxy_srv_conf_t *conf = child; | |
| 1524 | |
| 1525 ngx_conf_merge_msec_value(conf->connect_timeout, | |
| 1526 prev->connect_timeout, 60000); | |
| 1527 | |
| 1528 ngx_conf_merge_msec_value(conf->timeout, | |
| 1529 prev->timeout, 10 * 60000); | |
| 1530 | |
| 1531 ngx_conf_merge_msec_value(conf->next_upstream_timeout, | |
| 1532 prev->next_upstream_timeout, 0); | |
| 1533 | |
|
6215
8ee6a08ea3eb
Stream: added proxy_buffer_size to set the size of data buffers.
Roman Arutyunyan <arut@nginx.com>
parents:
6208
diff
changeset
|
1534 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
|
1535 prev->buffer_size, 16384); |
| 6115 | 1536 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1537 ngx_conf_merge_size_value(conf->upload_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1538 prev->upload_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1539 |
|
6208
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1540 ngx_conf_merge_size_value(conf->download_rate, |
|
7a14a0d754ad
Stream: renamed rate limiting directives.
Roman Arutyunyan <arut@nginx.com>
parents:
6204
diff
changeset
|
1541 prev->download_rate, 0); |
|
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6200
diff
changeset
|
1542 |
| 6436 | 1543 ngx_conf_merge_uint_value(conf->responses, |
| 1544 prev->responses, NGX_MAX_INT32_VALUE); | |
| 1545 | |
| 6115 | 1546 ngx_conf_merge_uint_value(conf->next_upstream_tries, |
| 1547 prev->next_upstream_tries, 0); | |
| 1548 | |
| 1549 ngx_conf_merge_value(conf->next_upstream, prev->next_upstream, 1); | |
| 1550 | |
|
6184
fa663739e115
Stream: client-side PROXY protocol.
Roman Arutyunyan <arut@nginx.com>
parents:
6183
diff
changeset
|
1551 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
|
1552 |
|
6183
4dcffe43a7ea
Stream: the "proxy_bind" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6174
diff
changeset
|
1553 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
|
1554 |
| 6115 | 1555 #if (NGX_STREAM_SSL) |
| 1556 | |
| 1557 ngx_conf_merge_value(conf->ssl_enable, prev->ssl_enable, 0); | |
| 1558 | |
| 1559 ngx_conf_merge_value(conf->ssl_session_reuse, | |
| 1560 prev->ssl_session_reuse, 1); | |
| 1561 | |
| 1562 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
|
1563 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
|
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6124
diff
changeset
|
1564 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
| 6115 | 1565 |
| 1566 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, "DEFAULT"); | |
| 1567 | |
| 1568 ngx_conf_merge_str_value(conf->ssl_name, prev->ssl_name, ""); | |
| 1569 | |
| 1570 ngx_conf_merge_value(conf->ssl_server_name, prev->ssl_server_name, 0); | |
| 1571 | |
| 1572 ngx_conf_merge_value(conf->ssl_verify, prev->ssl_verify, 0); | |
| 1573 | |
| 1574 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 1575 prev->ssl_verify_depth, 1); | |
| 1576 | |
| 1577 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 1578 prev->ssl_trusted_certificate, ""); | |
| 1579 | |
| 1580 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 1581 | |
| 1582 ngx_conf_merge_str_value(conf->ssl_certificate, | |
| 1583 prev->ssl_certificate, ""); | |
| 1584 | |
| 1585 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
| 1586 prev->ssl_certificate_key, ""); | |
| 1587 | |
| 1588 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
| 1589 | |
| 1590 if (conf->ssl_enable && ngx_stream_proxy_set_ssl(cf, conf) != NGX_OK) { | |
| 1591 return NGX_CONF_ERROR; | |
| 1592 } | |
| 1593 | |
| 1594 #endif | |
| 1595 | |
| 1596 return NGX_CONF_OK; | |
| 1597 } | |
| 1598 | |
| 1599 | |
| 1600 #if (NGX_STREAM_SSL) | |
| 1601 | |
| 1602 static ngx_int_t | |
| 1603 ngx_stream_proxy_set_ssl(ngx_conf_t *cf, ngx_stream_proxy_srv_conf_t *pscf) | |
| 1604 { | |
| 1605 ngx_pool_cleanup_t *cln; | |
| 1606 | |
| 1607 pscf->ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 1608 if (pscf->ssl == NULL) { | |
| 1609 return NGX_ERROR; | |
| 1610 } | |
| 1611 | |
| 1612 pscf->ssl->log = cf->log; | |
| 1613 | |
| 1614 if (ngx_ssl_create(pscf->ssl, pscf->ssl_protocols, NULL) != NGX_OK) { | |
| 1615 return NGX_ERROR; | |
| 1616 } | |
| 1617 | |
| 1618 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 1619 if (cln == NULL) { | |
| 1620 return NGX_ERROR; | |
| 1621 } | |
| 1622 | |
| 1623 cln->handler = ngx_ssl_cleanup_ctx; | |
| 1624 cln->data = pscf->ssl; | |
| 1625 | |
| 1626 if (pscf->ssl_certificate.len) { | |
| 1627 | |
| 1628 if (pscf->ssl_certificate_key.len == 0) { | |
| 1629 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1630 "no \"proxy_ssl_certificate_key\" is defined " | |
| 1631 "for certificate \"%V\"", &pscf->ssl_certificate); | |
| 1632 return NGX_ERROR; | |
| 1633 } | |
| 1634 | |
| 1635 if (ngx_ssl_certificate(cf, pscf->ssl, &pscf->ssl_certificate, | |
| 1636 &pscf->ssl_certificate_key, pscf->ssl_passwords) | |
| 1637 != NGX_OK) | |
| 1638 { | |
| 1639 return NGX_ERROR; | |
| 1640 } | |
| 1641 } | |
| 1642 | |
|
6591
04d8d1f85649
SSL: ngx_ssl_ciphers() to set list of ciphers.
Tim Taubert <tim@timtaubert.de>
parents:
6530
diff
changeset
|
1643 if (ngx_ssl_ciphers(cf, pscf->ssl, &pscf->ssl_ciphers, 0) != NGX_OK) { |
| 6115 | 1644 return NGX_ERROR; |
| 1645 } | |
| 1646 | |
| 1647 if (pscf->ssl_verify) { | |
| 1648 if (pscf->ssl_trusted_certificate.len == 0) { | |
| 1649 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1650 "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); | |
| 1651 return NGX_ERROR; | |
| 1652 } | |
| 1653 | |
| 1654 if (ngx_ssl_trusted_certificate(cf, pscf->ssl, | |
| 1655 &pscf->ssl_trusted_certificate, | |
| 1656 pscf->ssl_verify_depth) | |
| 1657 != NGX_OK) | |
| 1658 { | |
| 1659 return NGX_ERROR; | |
| 1660 } | |
| 1661 | |
| 1662 if (ngx_ssl_crl(cf, pscf->ssl, &pscf->ssl_crl) != NGX_OK) { | |
| 1663 return NGX_ERROR; | |
| 1664 } | |
| 1665 } | |
| 1666 | |
| 1667 return NGX_OK; | |
| 1668 } | |
| 1669 | |
| 1670 #endif | |
| 1671 | |
| 1672 | |
| 1673 static char * | |
| 1674 ngx_stream_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1675 { | |
| 1676 ngx_stream_proxy_srv_conf_t *pscf = conf; | |
| 1677 | |
| 1678 ngx_url_t u; | |
| 1679 ngx_str_t *value, *url; | |
| 1680 ngx_stream_core_srv_conf_t *cscf; | |
| 1681 | |
| 1682 if (pscf->upstream) { | |
| 1683 return "is duplicate"; | |
| 1684 } | |
| 1685 | |
| 1686 cscf = ngx_stream_conf_get_module_srv_conf(cf, ngx_stream_core_module); | |
| 1687 | |
| 1688 cscf->handler = ngx_stream_proxy_handler; | |
| 1689 | |
| 1690 value = cf->args->elts; | |
| 1691 | |
| 1692 url = &value[1]; | |
| 1693 | |
| 1694 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1695 | |
| 1696 u.url = *url; | |
| 1697 u.no_resolve = 1; | |
| 1698 | |
| 1699 pscf->upstream = ngx_stream_upstream_add(cf, &u, 0); | |
| 1700 if (pscf->upstream == NULL) { | |
| 1701 return NGX_CONF_ERROR; | |
| 1702 } | |
| 1703 | |
| 1704 return NGX_CONF_OK; | |
| 1705 } | |
|
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1706 |
|
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|
1707 |
|
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|
1708 static char * |
|
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|
1709 ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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|
1710 { |
|
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|
1711 ngx_stream_proxy_srv_conf_t *pscf = conf; |
|
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|
1712 |
|
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|
1713 ngx_int_t rc; |
|
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1714 ngx_str_t *value; |
|
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1715 ngx_stream_upstream_local_t *local; |
|
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1716 |
|
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1717 if (pscf->local != NGX_CONF_UNSET_PTR) { |
|
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|
1718 return "is duplicate"; |
|
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1719 } |
|
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1720 |
|
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1721 value = cf->args->elts; |
|
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1722 |
|
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1723 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "off") == 0) { |
|
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1724 pscf->local = NULL; |
|
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1725 return NGX_CONF_OK; |
|
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1726 } |
|
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1727 |
|
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|
1728 local = ngx_palloc(cf->pool, sizeof(ngx_stream_upstream_local_t)); |
|
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|
1729 if (local == NULL) { |
|
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|
1730 return NGX_CONF_ERROR; |
|
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1731 } |
|
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1732 |
|
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|
1733 pscf->local = local; |
|
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|
1734 |
|
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|
1735 if (ngx_strcmp(value[1].data, "$remote_addr") != 0) { |
|
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|
1736 local->addr = ngx_palloc(cf->pool, sizeof(ngx_addr_t)); |
|
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|
1737 if (local->addr == NULL) { |
|
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|
1738 return NGX_CONF_ERROR; |
|
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|
1739 } |
|
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|
1740 |
|
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|
1741 rc = ngx_parse_addr(cf->pool, local->addr, value[1].data, value[1].len); |
|
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|
1742 |
|
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|
1743 switch (rc) { |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1744 case NGX_OK: |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1745 local->addr->name = value[1]; |
|
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|
1746 break; |
|
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|
1747 |
|
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|
1748 case NGX_DECLINED: |
|
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|
1749 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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|
1750 "invalid address \"%V\"", &value[1]); |
|
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|
1751 /* fall through */ |
|
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|
1752 |
|
1d0e03db9f8e
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diff
changeset
|
1753 default: |
|
1d0e03db9f8e
Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1754 return NGX_CONF_ERROR; |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1755 } |
|
6529
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|
1756 } |
|
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|
1757 |
|
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|
1758 if (cf->args->nelts > 2) { |
|
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|
1759 if (ngx_strcmp(value[2].data, "transparent") == 0) { |
|
1d0e03db9f8e
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diff
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|
1760 #if (NGX_HAVE_TRANSPARENT_PROXY) |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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diff
changeset
|
1761 local->transparent = 1; |
|
6183
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|
1762 |
|
6530
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|
1763 #else |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1764 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1765 "transparent proxying is not supported " |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1766 "on this platform, ignored"); |
|
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|
1767 #endif |
|
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|
1768 } else { |
|
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|
1769 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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|
1770 "invalid parameter \"%V\"", &value[2]); |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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changeset
|
1771 return NGX_CONF_ERROR; |
|
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Upstream: the "transparent" parameter of proxy_bind and friends.
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|
1772 } |
|
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|
1773 } |
|
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|
1774 |
|
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|
1775 return NGX_CONF_OK; |
|
6183
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|
1776 } |