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