| 1 | | Enable verification of the SSL certificate presented to the http_proxy_module. |
| 2 | | |
| 3 | | |
| 4 | | {{{ |
| 5 | | diff -uNr ../nginx-0.8.55/src/event/ngx_event_openssl.c src/event/ngx_event_openssl.c |
| 6 | | --- ../nginx-0.8.55/src/event/ngx_event_openssl.c 2010-07-29 02:30:15.000000000 -0700 |
| 7 | | +++ src/event/ngx_event_openssl.c 2011-09-13 15:27:08.000000000 -0700 |
| 8 | | @@ -157,6 +157,12 @@ |
| 9 | | SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG); |
| 10 | | SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG); |
| 11 | | |
| 12 | | + /* verification options */ |
| 13 | | + |
| 14 | | + SSL_CTX_load_verify_locations(ssl->ctx, (const char *)ssl->ca_certificate.data, NULL); |
| 15 | | + SSL_CTX_set_verify(ssl->ctx, ssl->verify, NULL); |
| 16 | | + SSL_CTX_set_verify_depth(ssl->ctx, ssl->verify_depth); |
| 17 | | + |
| 18 | | /* server side options */ |
| 19 | | |
| 20 | | SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG); |
| 21 | | diff -uNr ../nginx-0.8.55/src/event/ngx_event_openssl.h src/event/ngx_event_openssl.h |
| 22 | | --- ../nginx-0.8.55/src/event/ngx_event_openssl.h 2010-03-03 08:23:14.000000000 -0800 |
| 23 | | +++ src/event/ngx_event_openssl.h 2011-09-13 15:27:08.000000000 -0700 |
| 24 | | @@ -27,6 +27,9 @@ |
| 25 | | typedef struct { |
| 26 | | SSL_CTX *ctx; |
| 27 | | ngx_log_t *log; |
| 28 | | + ngx_uint_t verify; |
| 29 | | + ngx_uint_t verify_depth; |
| 30 | | + ngx_str_t ca_certificate; |
| 31 | | } ngx_ssl_t; |
| 32 | | |
| 33 | | |
| 34 | | diff -uNr ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c src/http/modules/ngx_http_proxy_module.c |
| 35 | | --- ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c 2010-08-03 05:59:14.000000000 -0700 |
| 36 | | +++ src/http/modules/ngx_http_proxy_module.c 2011-09-13 15:27:08.000000000 -0700 |
| 37 | | @@ -441,6 +441,27 @@ |
| 38 | | offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), |
| 39 | | NULL }, |
| 40 | | |
| 41 | | + { ngx_string("proxy_ssl_verify"), |
| 42 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 43 | | + ngx_conf_set_num_slot, |
| 44 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 45 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_verify), |
| 46 | | + NULL }, |
| 47 | | + |
| 48 | | + { ngx_string("proxy_ssl_verify_depth"), |
| 49 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 50 | | + ngx_conf_set_num_slot, |
| 51 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 52 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_verify_depth), |
| 53 | | + NULL }, |
| 54 | | + |
| 55 | | + { ngx_string("proxy_ssl_ca_certificate"), |
| 56 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 57 | | + ngx_conf_set_str_slot, |
| 58 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 59 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_ca_certificate), |
| 60 | | + NULL }, |
| 61 | | + |
| 62 | | #endif |
| 63 | | |
| 64 | | ngx_null_command |
| 65 | | @@ -1696,6 +1717,8 @@ |
| 66 | | conf->upstream.intercept_errors = NGX_CONF_UNSET; |
| 67 | | #if (NGX_HTTP_SSL) |
| 68 | | conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; |
| 69 | | + conf->upstream.ssl_verify = NGX_CONF_UNSET_UINT; |
| 70 | | + conf->upstream.ssl_verify_depth = NGX_CONF_UNSET_UINT; |
| 71 | | #endif |
| 72 | | |
| 73 | | /* "proxy_cyclic_temp_file" is disabled */ |
| 74 | | @@ -1951,6 +1974,22 @@ |
| 75 | | #if (NGX_HTTP_SSL) |
| 76 | | ngx_conf_merge_value(conf->upstream.ssl_session_reuse, |
| 77 | | prev->upstream.ssl_session_reuse, 1); |
| 78 | | + ngx_conf_merge_uint_value(conf->upstream.ssl_verify, |
| 79 | | + prev->upstream.ssl_verify, 0); |
| 80 | | + ngx_conf_merge_uint_value(conf->upstream.ssl_verify_depth, |
| 81 | | + prev->upstream.ssl_verify_depth, 1); |
| 82 | | + ngx_conf_merge_str_value(conf->upstream.ssl_ca_certificate, |
| 83 | | + prev->upstream.ssl_ca_certificate, ""); |
| 84 | | + |
| 85 | | + if (conf->upstream.ssl_verify) { |
| 86 | | + if (conf->upstream.ssl_ca_certificate.len == 0) { |
| 87 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 88 | | + "no \"proxy_ssl_ca_certificate\" is defined for " |
| 89 | | + "the \"proxy_ssl_verify\" directive"); |
| 90 | | + |
| 91 | | + return NGX_CONF_ERROR; |
| 92 | | + } |
| 93 | | + } |
| 94 | | #endif |
| 95 | | |
| 96 | | ngx_conf_merge_value(conf->redirect, prev->redirect, 1); |
| 97 | | @@ -2727,6 +2766,12 @@ |
| 98 | | |
| 99 | | plcf->upstream.ssl->log = cf->log; |
| 100 | | |
| 101 | | + plcf->upstream.ssl->ca_certificate.len = plcf->upstream.ssl_ca_certificate.len; |
| 102 | | + plcf->upstream.ssl->ca_certificate.data = plcf->upstream.ssl_ca_certificate.data; |
| 103 | | + |
| 104 | | + plcf->upstream.ssl->verify = plcf->upstream.ssl_verify; |
| 105 | | + plcf->upstream.ssl->verify_depth = plcf->upstream.ssl_verify_depth; |
| 106 | | + |
| 107 | | if (ngx_ssl_create(plcf->upstream.ssl, |
| 108 | | NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) |
| 109 | | != NGX_OK) |
| 110 | | diff -uNr ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c.orig src/http/modules/ngx_http_proxy_module.c.orig |
| 111 | | --- ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c.orig 1969-12-31 16:00:00.000000000 -0800 |
| 112 | | +++ src/http/modules/ngx_http_proxy_module.c.orig 2010-08-03 05:59:14.000000000 -0700 |
| 113 | | @@ -0,0 +1,2782 @@ |
| 114 | | + |
| 115 | | +/* |
| 116 | | + * Copyright (C) Igor Sysoev |
| 117 | | + */ |
| 118 | | + |
| 119 | | + |
| 120 | | +#include <ngx_config.h> |
| 121 | | +#include <ngx_core.h> |
| 122 | | +#include <ngx_http.h> |
| 123 | | + |
| 124 | | + |
| 125 | | +typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t; |
| 126 | | + |
| 127 | | +typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r, |
| 128 | | + ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr); |
| 129 | | + |
| 130 | | +struct ngx_http_proxy_redirect_s { |
| 131 | | + ngx_http_proxy_redirect_pt handler; |
| 132 | | + ngx_str_t redirect; |
| 133 | | + |
| 134 | | + union { |
| 135 | | + ngx_str_t text; |
| 136 | | + |
| 137 | | + struct { |
| 138 | | + void *lengths; |
| 139 | | + void *values; |
| 140 | | + } vars; |
| 141 | | + |
| 142 | | + void *regex; |
| 143 | | + } replacement; |
| 144 | | +}; |
| 145 | | + |
| 146 | | + |
| 147 | | +typedef struct { |
| 148 | | + ngx_str_t key_start; |
| 149 | | + ngx_str_t schema; |
| 150 | | + ngx_str_t host_header; |
| 151 | | + ngx_str_t port; |
| 152 | | + ngx_str_t uri; |
| 153 | | +} ngx_http_proxy_vars_t; |
| 154 | | + |
| 155 | | + |
| 156 | | +typedef struct { |
| 157 | | + ngx_http_upstream_conf_t upstream; |
| 158 | | + |
| 159 | | + ngx_array_t *flushes; |
| 160 | | + ngx_array_t *body_set_len; |
| 161 | | + ngx_array_t *body_set; |
| 162 | | + ngx_array_t *headers_set_len; |
| 163 | | + ngx_array_t *headers_set; |
| 164 | | + ngx_hash_t headers_set_hash; |
| 165 | | + |
| 166 | | + ngx_array_t *headers_source; |
| 167 | | + |
| 168 | | + ngx_array_t *proxy_lengths; |
| 169 | | + ngx_array_t *proxy_values; |
| 170 | | + |
| 171 | | + ngx_array_t *redirects; |
| 172 | | + |
| 173 | | + ngx_str_t body_source; |
| 174 | | + |
| 175 | | + ngx_str_t method; |
| 176 | | + ngx_str_t location; |
| 177 | | + ngx_str_t url; |
| 178 | | + |
| 179 | | +#if (NGX_HTTP_CACHE) |
| 180 | | + ngx_http_complex_value_t cache_key; |
| 181 | | +#endif |
| 182 | | + |
| 183 | | + ngx_http_proxy_vars_t vars; |
| 184 | | + |
| 185 | | + ngx_flag_t redirect; |
| 186 | | + |
| 187 | | + ngx_uint_t headers_hash_max_size; |
| 188 | | + ngx_uint_t headers_hash_bucket_size; |
| 189 | | +} ngx_http_proxy_loc_conf_t; |
| 190 | | + |
| 191 | | + |
| 192 | | +typedef struct { |
| 193 | | + ngx_http_status_t status; |
| 194 | | + ngx_http_proxy_vars_t vars; |
| 195 | | + size_t internal_body_length; |
| 196 | | +} ngx_http_proxy_ctx_t; |
| 197 | | + |
| 198 | | + |
| 199 | | +static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r, |
| 200 | | + ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf); |
| 201 | | +#if (NGX_HTTP_CACHE) |
| 202 | | +static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r); |
| 203 | | +#endif |
| 204 | | +static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); |
| 205 | | +static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); |
| 206 | | +static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); |
| 207 | | +static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); |
| 208 | | +static void ngx_http_proxy_abort_request(ngx_http_request_t *r); |
| 209 | | +static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, |
| 210 | | + ngx_int_t rc); |
| 211 | | + |
| 212 | | +static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, |
| 213 | | + ngx_http_variable_value_t *v, uintptr_t data); |
| 214 | | +static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, |
| 215 | | + ngx_http_variable_value_t *v, uintptr_t data); |
| 216 | | +static ngx_int_t |
| 217 | | + ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 218 | | + ngx_http_variable_value_t *v, uintptr_t data); |
| 219 | | +static ngx_int_t |
| 220 | | + ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
| 221 | | + ngx_http_variable_value_t *v, uintptr_t data); |
| 222 | | +static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, |
| 223 | | + ngx_table_elt_t *h, size_t prefix); |
| 224 | | + |
| 225 | | +static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); |
| 226 | | +static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); |
| 227 | | +static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, |
| 228 | | + void *parent, void *child); |
| 229 | | +static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf, |
| 230 | | + ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev); |
| 231 | | + |
| 232 | | +static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, |
| 233 | | + void *conf); |
| 234 | | +static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, |
| 235 | | + void *conf); |
| 236 | | +static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, |
| 237 | | + void *conf); |
| 238 | | +#if (NGX_HTTP_CACHE) |
| 239 | | +static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
| 240 | | + void *conf); |
| 241 | | +static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, |
| 242 | | + void *conf); |
| 243 | | +#endif |
| 244 | | + |
| 245 | | +static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); |
| 246 | | + |
| 247 | | +#if (NGX_HTTP_SSL) |
| 248 | | +static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf, |
| 249 | | + ngx_http_proxy_loc_conf_t *plcf); |
| 250 | | +#endif |
| 251 | | +static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v); |
| 252 | | + |
| 253 | | + |
| 254 | | +static ngx_conf_post_t ngx_http_proxy_lowat_post = |
| 255 | | + { ngx_http_proxy_lowat_check }; |
| 256 | | + |
| 257 | | + |
| 258 | | +static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { |
| 259 | | + { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, |
| 260 | | + { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, |
| 261 | | + { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, |
| 262 | | + { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, |
| 263 | | + { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
| 264 | | + { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
| 265 | | + { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
| 266 | | + { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
| 267 | | + { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, |
| 268 | | + { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
| 269 | | + { ngx_null_string, 0 } |
| 270 | | +}; |
| 271 | | + |
| 272 | | + |
| 273 | | +ngx_module_t ngx_http_proxy_module; |
| 274 | | + |
| 275 | | + |
| 276 | | +static ngx_command_t ngx_http_proxy_commands[] = { |
| 277 | | + |
| 278 | | + { ngx_string("proxy_pass"), |
| 279 | | + NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 280 | | + ngx_http_proxy_pass, |
| 281 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 282 | | + 0, |
| 283 | | + NULL }, |
| 284 | | + |
| 285 | | + { ngx_string("proxy_redirect"), |
| 286 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, |
| 287 | | + ngx_http_proxy_redirect, |
| 288 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 289 | | + 0, |
| 290 | | + NULL }, |
| 291 | | + |
| 292 | | + { ngx_string("proxy_store"), |
| 293 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 294 | | + ngx_http_proxy_store, |
| 295 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 296 | | + 0, |
| 297 | | + NULL }, |
| 298 | | + |
| 299 | | + { ngx_string("proxy_store_access"), |
| 300 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
| 301 | | + ngx_conf_set_access_slot, |
| 302 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 303 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), |
| 304 | | + NULL }, |
| 305 | | + |
| 306 | | + { ngx_string("proxy_buffering"), |
| 307 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 308 | | + ngx_conf_set_flag_slot, |
| 309 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 310 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), |
| 311 | | + NULL }, |
| 312 | | + |
| 313 | | + { ngx_string("proxy_ignore_client_abort"), |
| 314 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 315 | | + ngx_conf_set_flag_slot, |
| 316 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 317 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), |
| 318 | | + NULL }, |
| 319 | | + |
| 320 | | + { ngx_string("proxy_bind"), |
| 321 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 322 | | + ngx_http_upstream_bind_set_slot, |
| 323 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 324 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.local), |
| 325 | | + NULL }, |
| 326 | | + |
| 327 | | + { ngx_string("proxy_connect_timeout"), |
| 328 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 329 | | + ngx_conf_set_msec_slot, |
| 330 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 331 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), |
| 332 | | + NULL }, |
| 333 | | + |
| 334 | | + { ngx_string("proxy_send_timeout"), |
| 335 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 336 | | + ngx_conf_set_msec_slot, |
| 337 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 338 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), |
| 339 | | + NULL }, |
| 340 | | + |
| 341 | | + { ngx_string("proxy_send_lowat"), |
| 342 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 343 | | + ngx_conf_set_size_slot, |
| 344 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 345 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), |
| 346 | | + &ngx_http_proxy_lowat_post }, |
| 347 | | + |
| 348 | | + { ngx_string("proxy_intercept_errors"), |
| 349 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 350 | | + ngx_conf_set_flag_slot, |
| 351 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 352 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), |
| 353 | | + NULL }, |
| 354 | | + |
| 355 | | + { ngx_string("proxy_set_header"), |
| 356 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
| 357 | | + ngx_conf_set_keyval_slot, |
| 358 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 359 | | + offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
| 360 | | + NULL }, |
| 361 | | + |
| 362 | | + { ngx_string("proxy_headers_hash_max_size"), |
| 363 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 364 | | + ngx_conf_set_num_slot, |
| 365 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 366 | | + offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
| 367 | | + NULL }, |
| 368 | | + |
| 369 | | + { ngx_string("proxy_headers_hash_bucket_size"), |
| 370 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 371 | | + ngx_conf_set_num_slot, |
| 372 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 373 | | + offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
| 374 | | + NULL }, |
| 375 | | + |
| 376 | | + { ngx_string("proxy_set_body"), |
| 377 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 378 | | + ngx_conf_set_str_slot, |
| 379 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 380 | | + offsetof(ngx_http_proxy_loc_conf_t, body_source), |
| 381 | | + NULL }, |
| 382 | | + |
| 383 | | + { ngx_string("proxy_method"), |
| 384 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 385 | | + ngx_conf_set_str_slot, |
| 386 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 387 | | + offsetof(ngx_http_proxy_loc_conf_t, method), |
| 388 | | + NULL }, |
| 389 | | + |
| 390 | | + { ngx_string("proxy_pass_request_headers"), |
| 391 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 392 | | + ngx_conf_set_flag_slot, |
| 393 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 394 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
| 395 | | + NULL }, |
| 396 | | + |
| 397 | | + { ngx_string("proxy_pass_request_body"), |
| 398 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 399 | | + ngx_conf_set_flag_slot, |
| 400 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 401 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
| 402 | | + NULL }, |
| 403 | | + |
| 404 | | + { ngx_string("proxy_buffer_size"), |
| 405 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 406 | | + ngx_conf_set_size_slot, |
| 407 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 408 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), |
| 409 | | + NULL }, |
| 410 | | + |
| 411 | | + { ngx_string("proxy_read_timeout"), |
| 412 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 413 | | + ngx_conf_set_msec_slot, |
| 414 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 415 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), |
| 416 | | + NULL }, |
| 417 | | + |
| 418 | | + { ngx_string("proxy_buffers"), |
| 419 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
| 420 | | + ngx_conf_set_bufs_slot, |
| 421 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 422 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), |
| 423 | | + NULL }, |
| 424 | | + |
| 425 | | + { ngx_string("proxy_busy_buffers_size"), |
| 426 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 427 | | + ngx_conf_set_size_slot, |
| 428 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 429 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
| 430 | | + NULL }, |
| 431 | | + |
| 432 | | +#if (NGX_HTTP_CACHE) |
| 433 | | + |
| 434 | | + { ngx_string("proxy_cache"), |
| 435 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 436 | | + ngx_http_proxy_cache, |
| 437 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 438 | | + 0, |
| 439 | | + NULL }, |
| 440 | | + |
| 441 | | + { ngx_string("proxy_cache_key"), |
| 442 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 443 | | + ngx_http_proxy_cache_key, |
| 444 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 445 | | + 0, |
| 446 | | + NULL }, |
| 447 | | + |
| 448 | | + { ngx_string("proxy_cache_path"), |
| 449 | | + NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, |
| 450 | | + ngx_http_file_cache_set_slot, |
| 451 | | + 0, |
| 452 | | + 0, |
| 453 | | + &ngx_http_proxy_module }, |
| 454 | | + |
| 455 | | + { ngx_string("proxy_cache_bypass"), |
| 456 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 457 | | + ngx_http_set_predicate_slot, |
| 458 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 459 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_bypass), |
| 460 | | + NULL }, |
| 461 | | + |
| 462 | | + { ngx_string("proxy_no_cache"), |
| 463 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 464 | | + ngx_http_set_predicate_slot, |
| 465 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 466 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache), |
| 467 | | + NULL }, |
| 468 | | + |
| 469 | | + { ngx_string("proxy_cache_valid"), |
| 470 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 471 | | + ngx_http_file_cache_valid_set_slot, |
| 472 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 473 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid), |
| 474 | | + NULL }, |
| 475 | | + |
| 476 | | + { ngx_string("proxy_cache_min_uses"), |
| 477 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 478 | | + ngx_conf_set_num_slot, |
| 479 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 480 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses), |
| 481 | | + NULL }, |
| 482 | | + |
| 483 | | + { ngx_string("proxy_cache_use_stale"), |
| 484 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 485 | | + ngx_conf_set_bitmask_slot, |
| 486 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 487 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale), |
| 488 | | + &ngx_http_proxy_next_upstream_masks }, |
| 489 | | + |
| 490 | | + { ngx_string("proxy_cache_methods"), |
| 491 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 492 | | + ngx_conf_set_bitmask_slot, |
| 493 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 494 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods), |
| 495 | | + &ngx_http_upstream_cache_method_mask }, |
| 496 | | + |
| 497 | | +#endif |
| 498 | | + |
| 499 | | + { ngx_string("proxy_temp_path"), |
| 500 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, |
| 501 | | + ngx_conf_set_path_slot, |
| 502 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 503 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), |
| 504 | | + NULL }, |
| 505 | | + |
| 506 | | + { ngx_string("proxy_max_temp_file_size"), |
| 507 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 508 | | + ngx_conf_set_size_slot, |
| 509 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 510 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
| 511 | | + NULL }, |
| 512 | | + |
| 513 | | + { ngx_string("proxy_temp_file_write_size"), |
| 514 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 515 | | + ngx_conf_set_size_slot, |
| 516 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 517 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
| 518 | | + NULL }, |
| 519 | | + |
| 520 | | + { ngx_string("proxy_next_upstream"), |
| 521 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 522 | | + ngx_conf_set_bitmask_slot, |
| 523 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 524 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), |
| 525 | | + &ngx_http_proxy_next_upstream_masks }, |
| 526 | | + |
| 527 | | + { ngx_string("proxy_pass_header"), |
| 528 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 529 | | + ngx_conf_set_str_array_slot, |
| 530 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 531 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
| 532 | | + NULL }, |
| 533 | | + |
| 534 | | + { ngx_string("proxy_hide_header"), |
| 535 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 536 | | + ngx_conf_set_str_array_slot, |
| 537 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 538 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
| 539 | | + NULL }, |
| 540 | | + |
| 541 | | + { ngx_string("proxy_ignore_headers"), |
| 542 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 543 | | + ngx_conf_set_bitmask_slot, |
| 544 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 545 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers), |
| 546 | | + &ngx_http_upstream_ignore_headers_masks }, |
| 547 | | + |
| 548 | | +#if (NGX_HTTP_SSL) |
| 549 | | + |
| 550 | | + { ngx_string("proxy_ssl_session_reuse"), |
| 551 | | + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 552 | | + ngx_conf_set_flag_slot, |
| 553 | | + NGX_HTTP_LOC_CONF_OFFSET, |
| 554 | | + offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), |
| 555 | | + NULL }, |
| 556 | | + |
| 557 | | +#endif |
| 558 | | + |
| 559 | | + ngx_null_command |
| 560 | | +}; |
| 561 | | + |
| 562 | | + |
| 563 | | +static ngx_http_module_t ngx_http_proxy_module_ctx = { |
| 564 | | + ngx_http_proxy_add_variables, /* preconfiguration */ |
| 565 | | + NULL, /* postconfiguration */ |
| 566 | | + |
| 567 | | + NULL, /* create main configuration */ |
| 568 | | + NULL, /* init main configuration */ |
| 569 | | + |
| 570 | | + NULL, /* create server configuration */ |
| 571 | | + NULL, /* merge server configuration */ |
| 572 | | + |
| 573 | | + ngx_http_proxy_create_loc_conf, /* create location configration */ |
| 574 | | + ngx_http_proxy_merge_loc_conf /* merge location configration */ |
| 575 | | +}; |
| 576 | | + |
| 577 | | + |
| 578 | | +ngx_module_t ngx_http_proxy_module = { |
| 579 | | + NGX_MODULE_V1, |
| 580 | | + &ngx_http_proxy_module_ctx, /* module context */ |
| 581 | | + ngx_http_proxy_commands, /* module directives */ |
| 582 | | + NGX_HTTP_MODULE, /* module type */ |
| 583 | | + NULL, /* init master */ |
| 584 | | + NULL, /* init module */ |
| 585 | | + NULL, /* init process */ |
| 586 | | + NULL, /* init thread */ |
| 587 | | + NULL, /* exit thread */ |
| 588 | | + NULL, /* exit process */ |
| 589 | | + NULL, /* exit master */ |
| 590 | | + NGX_MODULE_V1_PADDING |
| 591 | | +}; |
| 592 | | + |
| 593 | | + |
| 594 | | +static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; |
| 595 | | + |
| 596 | | + |
| 597 | | +static ngx_keyval_t ngx_http_proxy_headers[] = { |
| 598 | | + { ngx_string("Host"), ngx_string("$proxy_host") }, |
| 599 | | + { ngx_string("Connection"), ngx_string("close") }, |
| 600 | | + { ngx_string("Keep-Alive"), ngx_string("") }, |
| 601 | | + { ngx_string("Expect"), ngx_string("") }, |
| 602 | | + { ngx_null_string, ngx_null_string } |
| 603 | | +}; |
| 604 | | + |
| 605 | | + |
| 606 | | +static ngx_str_t ngx_http_proxy_hide_headers[] = { |
| 607 | | + ngx_string("Date"), |
| 608 | | + ngx_string("Server"), |
| 609 | | + ngx_string("X-Pad"), |
| 610 | | + ngx_string("X-Accel-Expires"), |
| 611 | | + ngx_string("X-Accel-Redirect"), |
| 612 | | + ngx_string("X-Accel-Limit-Rate"), |
| 613 | | + ngx_string("X-Accel-Buffering"), |
| 614 | | + ngx_string("X-Accel-Charset"), |
| 615 | | + ngx_null_string |
| 616 | | +}; |
| 617 | | + |
| 618 | | + |
| 619 | | +#if (NGX_HTTP_CACHE) |
| 620 | | + |
| 621 | | +static ngx_keyval_t ngx_http_proxy_cache_headers[] = { |
| 622 | | + { ngx_string("Host"), ngx_string("$proxy_host") }, |
| 623 | | + { ngx_string("Connection"), ngx_string("close") }, |
| 624 | | + { ngx_string("Keep-Alive"), ngx_string("") }, |
| 625 | | + { ngx_string("Expect"), ngx_string("") }, |
| 626 | | + { ngx_string("If-Modified-Since"), ngx_string("") }, |
| 627 | | + { ngx_string("If-Unmodified-Since"), ngx_string("") }, |
| 628 | | + { ngx_string("If-None-Match"), ngx_string("") }, |
| 629 | | + { ngx_string("If-Match"), ngx_string("") }, |
| 630 | | + { ngx_string("Range"), ngx_string("") }, |
| 631 | | + { ngx_string("If-Range"), ngx_string("") }, |
| 632 | | + { ngx_null_string, ngx_null_string } |
| 633 | | +}; |
| 634 | | + |
| 635 | | +#endif |
| 636 | | + |
| 637 | | + |
| 638 | | +static ngx_http_variable_t ngx_http_proxy_vars[] = { |
| 639 | | + |
| 640 | | + { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
| 641 | | + NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 642 | | + |
| 643 | | + { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
| 644 | | + NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 645 | | + |
| 646 | | + { ngx_string("proxy_add_x_forwarded_for"), NULL, |
| 647 | | + ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 648 | | + |
| 649 | | +#if 0 |
| 650 | | + { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 651 | | +#endif |
| 652 | | + |
| 653 | | + { ngx_string("proxy_internal_body_length"), NULL, |
| 654 | | + ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 655 | | + |
| 656 | | + { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 657 | | +}; |
| 658 | | + |
| 659 | | + |
| 660 | | +static ngx_path_init_t ngx_http_proxy_temp_path = { |
| 661 | | + ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 } |
| 662 | | +}; |
| 663 | | + |
| 664 | | + |
| 665 | | +static ngx_int_t |
| 666 | | +ngx_http_proxy_handler(ngx_http_request_t *r) |
| 667 | | +{ |
| 668 | | + ngx_int_t rc; |
| 669 | | + ngx_http_upstream_t *u; |
| 670 | | + ngx_http_proxy_ctx_t *ctx; |
| 671 | | + ngx_http_proxy_loc_conf_t *plcf; |
| 672 | | + |
| 673 | | + if (ngx_http_upstream_create(r) != NGX_OK) { |
| 674 | | + return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 675 | | + } |
| 676 | | + |
| 677 | | + ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); |
| 678 | | + if (ctx == NULL) { |
| 679 | | + return NGX_ERROR; |
| 680 | | + } |
| 681 | | + |
| 682 | | + ngx_http_set_ctx(r, ctx, ngx_http_proxy_module); |
| 683 | | + |
| 684 | | + plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 685 | | + |
| 686 | | + u = r->upstream; |
| 687 | | + |
| 688 | | + if (plcf->proxy_lengths == NULL) { |
| 689 | | + ctx->vars = plcf->vars; |
| 690 | | + u->schema = plcf->vars.schema; |
| 691 | | +#if (NGX_HTTP_SSL) |
| 692 | | + u->ssl = (plcf->upstream.ssl != NULL); |
| 693 | | +#endif |
| 694 | | + |
| 695 | | + } else { |
| 696 | | + if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) { |
| 697 | | + return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 698 | | + } |
| 699 | | + } |
| 700 | | + |
| 701 | | + u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; |
| 702 | | + |
| 703 | | + u->conf = &plcf->upstream; |
| 704 | | + |
| 705 | | +#if (NGX_HTTP_CACHE) |
| 706 | | + u->create_key = ngx_http_proxy_create_key; |
| 707 | | +#endif |
| 708 | | + u->create_request = ngx_http_proxy_create_request; |
| 709 | | + u->reinit_request = ngx_http_proxy_reinit_request; |
| 710 | | + u->process_header = ngx_http_proxy_process_status_line; |
| 711 | | + u->abort_request = ngx_http_proxy_abort_request; |
| 712 | | + u->finalize_request = ngx_http_proxy_finalize_request; |
| 713 | | + r->state = 0; |
| 714 | | + |
| 715 | | + if (plcf->redirects) { |
| 716 | | + u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; |
| 717 | | + } |
| 718 | | + |
| 719 | | + u->buffering = plcf->upstream.buffering; |
| 720 | | + |
| 721 | | + u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); |
| 722 | | + if (u->pipe == NULL) { |
| 723 | | + return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 724 | | + } |
| 725 | | + |
| 726 | | + u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
| 727 | | + |
| 728 | | + u->accel = 1; |
| 729 | | + |
| 730 | | + rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); |
| 731 | | + |
| 732 | | + if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { |
| 733 | | + return rc; |
| 734 | | + } |
| 735 | | + |
| 736 | | + return NGX_DONE; |
| 737 | | +} |
| 738 | | + |
| 739 | | + |
| 740 | | +static ngx_int_t |
| 741 | | +ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx, |
| 742 | | + ngx_http_proxy_loc_conf_t *plcf) |
| 743 | | +{ |
| 744 | | + u_char *p; |
| 745 | | + size_t add; |
| 746 | | + u_short port; |
| 747 | | + ngx_str_t proxy; |
| 748 | | + ngx_url_t url; |
| 749 | | + ngx_http_upstream_t *u; |
| 750 | | + |
| 751 | | + if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0, |
| 752 | | + plcf->proxy_values->elts) |
| 753 | | + == NULL) |
| 754 | | + { |
| 755 | | + return NGX_ERROR; |
| 756 | | + } |
| 757 | | + |
| 758 | | + if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) { |
| 759 | | + |
| 760 | | + add = 7; |
| 761 | | + port = 80; |
| 762 | | + |
| 763 | | +#if (NGX_HTTP_SSL) |
| 764 | | + |
| 765 | | + } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) { |
| 766 | | + |
| 767 | | + add = 8; |
| 768 | | + port = 443; |
| 769 | | + r->upstream->ssl = 1; |
| 770 | | + |
| 771 | | +#endif |
| 772 | | + |
| 773 | | + } else { |
| 774 | | + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 775 | | + "invalid URL prefix in \"%V\"", &proxy); |
| 776 | | + return NGX_ERROR; |
| 777 | | + } |
| 778 | | + |
| 779 | | + u = r->upstream; |
| 780 | | + |
| 781 | | + u->schema.len = add; |
| 782 | | + u->schema.data = proxy.data; |
| 783 | | + |
| 784 | | + ngx_memzero(&url, sizeof(ngx_url_t)); |
| 785 | | + |
| 786 | | + url.url.len = proxy.len - add; |
| 787 | | + url.url.data = proxy.data + add; |
| 788 | | + url.default_port = port; |
| 789 | | + url.uri_part = 1; |
| 790 | | + url.no_resolve = 1; |
| 791 | | + |
| 792 | | + if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
| 793 | | + if (url.err) { |
| 794 | | + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 795 | | + "%s in upstream \"%V\"", url.err, &url.url); |
| 796 | | + } |
| 797 | | + |
| 798 | | + return NGX_ERROR; |
| 799 | | + } |
| 800 | | + |
| 801 | | + if (url.uri.len) { |
| 802 | | + if (url.uri.data[0] == '?') { |
| 803 | | + p = ngx_pnalloc(r->pool, url.uri.len + 1); |
| 804 | | + if (p == NULL) { |
| 805 | | + return NGX_ERROR; |
| 806 | | + } |
| 807 | | + |
| 808 | | + *p++ = '/'; |
| 809 | | + ngx_memcpy(p, url.uri.data, url.uri.len); |
| 810 | | + |
| 811 | | + url.uri.len++; |
| 812 | | + url.uri.data = p - 1; |
| 813 | | + } |
| 814 | | + |
| 815 | | + } else { |
| 816 | | + url.uri = r->unparsed_uri; |
| 817 | | + } |
| 818 | | + |
| 819 | | + ctx->vars.key_start = u->schema; |
| 820 | | + |
| 821 | | + ngx_http_proxy_set_vars(&url, &ctx->vars); |
| 822 | | + |
| 823 | | + u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
| 824 | | + if (u->resolved == NULL) { |
| 825 | | + return NGX_ERROR; |
| 826 | | + } |
| 827 | | + |
| 828 | | + if (url.addrs && url.addrs[0].sockaddr) { |
| 829 | | + u->resolved->sockaddr = url.addrs[0].sockaddr; |
| 830 | | + u->resolved->socklen = url.addrs[0].socklen; |
| 831 | | + u->resolved->naddrs = 1; |
| 832 | | + u->resolved->host = url.addrs[0].name; |
| 833 | | + |
| 834 | | + } else { |
| 835 | | + u->resolved->host = url.host; |
| 836 | | + u->resolved->port = (in_port_t) (url.no_port ? port : url.port); |
| 837 | | + u->resolved->no_port = url.no_port; |
| 838 | | + } |
| 839 | | + |
| 840 | | + return NGX_OK; |
| 841 | | +} |
| 842 | | + |
| 843 | | + |
| 844 | | +#if (NGX_HTTP_CACHE) |
| 845 | | + |
| 846 | | +static ngx_int_t |
| 847 | | +ngx_http_proxy_create_key(ngx_http_request_t *r) |
| 848 | | +{ |
| 849 | | + size_t len, loc_len; |
| 850 | | + u_char *p; |
| 851 | | + uintptr_t escape; |
| 852 | | + ngx_str_t *key; |
| 853 | | + ngx_http_upstream_t *u; |
| 854 | | + ngx_http_proxy_ctx_t *ctx; |
| 855 | | + ngx_http_proxy_loc_conf_t *plcf; |
| 856 | | + |
| 857 | | + u = r->upstream; |
| 858 | | + |
| 859 | | + plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 860 | | + |
| 861 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 862 | | + |
| 863 | | + key = ngx_array_push(&r->cache->keys); |
| 864 | | + if (key == NULL) { |
| 865 | | + return NGX_ERROR; |
| 866 | | + } |
| 867 | | + |
| 868 | | + if (plcf->cache_key.value.len) { |
| 869 | | + |
| 870 | | + if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) { |
| 871 | | + return NGX_ERROR; |
| 872 | | + } |
| 873 | | + |
| 874 | | + return NGX_OK; |
| 875 | | + } |
| 876 | | + |
| 877 | | + *key = ctx->vars.key_start; |
| 878 | | + |
| 879 | | + key = ngx_array_push(&r->cache->keys); |
| 880 | | + if (key == NULL) { |
| 881 | | + return NGX_ERROR; |
| 882 | | + } |
| 883 | | + |
| 884 | | + if (plcf->proxy_lengths) { |
| 885 | | + |
| 886 | | + *key = ctx->vars.uri; |
| 887 | | + u->uri = ctx->vars.uri; |
| 888 | | + |
| 889 | | + return NGX_OK; |
| 890 | | + |
| 891 | | + } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) |
| 892 | | + { |
| 893 | | + *key = r->unparsed_uri; |
| 894 | | + u->uri = r->unparsed_uri; |
| 895 | | + |
| 896 | | + return NGX_OK; |
| 897 | | + } |
| 898 | | + |
| 899 | | + loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0; |
| 900 | | + |
| 901 | | + if (r->quoted_uri || r->internal) { |
| 902 | | + escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
| 903 | | + r->uri.len - loc_len, NGX_ESCAPE_URI); |
| 904 | | + } else { |
| 905 | | + escape = 0; |
| 906 | | + } |
| 907 | | + |
| 908 | | + len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
| 909 | | + + sizeof("?") - 1 + r->args.len; |
| 910 | | + |
| 911 | | + p = ngx_pnalloc(r->pool, len); |
| 912 | | + if (p == NULL) { |
| 913 | | + return NGX_ERROR; |
| 914 | | + } |
| 915 | | + |
| 916 | | + key->data = p; |
| 917 | | + |
| 918 | | + if (r->valid_location) { |
| 919 | | + p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len); |
| 920 | | + } |
| 921 | | + |
| 922 | | + if (escape) { |
| 923 | | + ngx_escape_uri(p, r->uri.data + loc_len, |
| 924 | | + r->uri.len - loc_len, NGX_ESCAPE_URI); |
| 925 | | + p += r->uri.len - loc_len + escape; |
| 926 | | + |
| 927 | | + } else { |
| 928 | | + p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len); |
| 929 | | + } |
| 930 | | + |
| 931 | | + if (r->args.len > 0) { |
| 932 | | + *p++ = '?'; |
| 933 | | + p = ngx_copy(p, r->args.data, r->args.len); |
| 934 | | + } |
| 935 | | + |
| 936 | | + key->len = p - key->data; |
| 937 | | + u->uri = *key; |
| 938 | | + |
| 939 | | + return NGX_OK; |
| 940 | | +} |
| 941 | | + |
| 942 | | +#endif |
| 943 | | + |
| 944 | | + |
| 945 | | +static ngx_int_t |
| 946 | | +ngx_http_proxy_create_request(ngx_http_request_t *r) |
| 947 | | +{ |
| 948 | | + size_t len, uri_len, loc_len, body_len; |
| 949 | | + uintptr_t escape; |
| 950 | | + ngx_buf_t *b; |
| 951 | | + ngx_str_t method; |
| 952 | | + ngx_uint_t i, unparsed_uri; |
| 953 | | + ngx_chain_t *cl, *body; |
| 954 | | + ngx_list_part_t *part; |
| 955 | | + ngx_table_elt_t *header; |
| 956 | | + ngx_http_upstream_t *u; |
| 957 | | + ngx_http_proxy_ctx_t *ctx; |
| 958 | | + ngx_http_script_code_pt code; |
| 959 | | + ngx_http_script_engine_t e, le; |
| 960 | | + ngx_http_proxy_loc_conf_t *plcf; |
| 961 | | + ngx_http_script_len_code_pt lcode; |
| 962 | | + |
| 963 | | + u = r->upstream; |
| 964 | | + |
| 965 | | + plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 966 | | + |
| 967 | | + if (u->method.len) { |
| 968 | | + /* HEAD was changed to GET to cache response */ |
| 969 | | + method = u->method; |
| 970 | | + method.len++; |
| 971 | | + |
| 972 | | + } else if (plcf->method.len) { |
| 973 | | + method = plcf->method; |
| 974 | | + |
| 975 | | + } else { |
| 976 | | + method = r->method_name; |
| 977 | | + method.len++; |
| 978 | | + } |
| 979 | | + |
| 980 | | + len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
| 981 | | + |
| 982 | | + escape = 0; |
| 983 | | + loc_len = 0; |
| 984 | | + unparsed_uri = 0; |
| 985 | | + |
| 986 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 987 | | + |
| 988 | | + if (plcf->proxy_lengths) { |
| 989 | | + uri_len = ctx->vars.uri.len; |
| 990 | | + |
| 991 | | + } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) |
| 992 | | + { |
| 993 | | + unparsed_uri = 1; |
| 994 | | + uri_len = r->unparsed_uri.len; |
| 995 | | + |
| 996 | | + } else { |
| 997 | | + loc_len = (r->valid_location && ctx->vars.uri.len) ? |
| 998 | | + plcf->location.len : 0; |
| 999 | | + |
| 1000 | | + if (r->quoted_uri || r->space_in_uri || r->internal) { |
| 1001 | | + escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
| 1002 | | + r->uri.len - loc_len, NGX_ESCAPE_URI); |
| 1003 | | + } |
| 1004 | | + |
| 1005 | | + uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
| 1006 | | + + sizeof("?") - 1 + r->args.len; |
| 1007 | | + } |
| 1008 | | + |
| 1009 | | + if (uri_len == 0) { |
| 1010 | | + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 1011 | | + "zero length URI to proxy"); |
| 1012 | | + return NGX_ERROR; |
| 1013 | | + } |
| 1014 | | + |
| 1015 | | + len += uri_len; |
| 1016 | | + |
| 1017 | | + ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes); |
| 1018 | | + |
| 1019 | | + if (plcf->body_set_len) { |
| 1020 | | + le.ip = plcf->body_set_len->elts; |
| 1021 | | + le.request = r; |
| 1022 | | + le.flushed = 1; |
| 1023 | | + body_len = 0; |
| 1024 | | + |
| 1025 | | + while (*(uintptr_t *) le.ip) { |
| 1026 | | + lcode = *(ngx_http_script_len_code_pt *) le.ip; |
| 1027 | | + body_len += lcode(&le); |
| 1028 | | + } |
| 1029 | | + |
| 1030 | | + ctx->internal_body_length = body_len; |
| 1031 | | + len += body_len; |
| 1032 | | + } |
| 1033 | | + |
| 1034 | | + le.ip = plcf->headers_set_len->elts; |
| 1035 | | + le.request = r; |
| 1036 | | + le.flushed = 1; |
| 1037 | | + |
| 1038 | | + while (*(uintptr_t *) le.ip) { |
| 1039 | | + while (*(uintptr_t *) le.ip) { |
| 1040 | | + lcode = *(ngx_http_script_len_code_pt *) le.ip; |
| 1041 | | + len += lcode(&le); |
| 1042 | | + } |
| 1043 | | + le.ip += sizeof(uintptr_t); |
| 1044 | | + } |
| 1045 | | + |
| 1046 | | + |
| 1047 | | + if (plcf->upstream.pass_request_headers) { |
| 1048 | | + part = &r->headers_in.headers.part; |
| 1049 | | + header = part->elts; |
| 1050 | | + |
| 1051 | | + for (i = 0; /* void */; i++) { |
| 1052 | | + |
| 1053 | | + if (i >= part->nelts) { |
| 1054 | | + if (part->next == NULL) { |
| 1055 | | + break; |
| 1056 | | + } |
| 1057 | | + |
| 1058 | | + part = part->next; |
| 1059 | | + header = part->elts; |
| 1060 | | + i = 0; |
| 1061 | | + } |
| 1062 | | + |
| 1063 | | + if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 1064 | | + header[i].lowcase_key, header[i].key.len)) |
| 1065 | | + { |
| 1066 | | + continue; |
| 1067 | | + } |
| 1068 | | + |
| 1069 | | + len += header[i].key.len + sizeof(": ") - 1 |
| 1070 | | + + header[i].value.len + sizeof(CRLF) - 1; |
| 1071 | | + } |
| 1072 | | + } |
| 1073 | | + |
| 1074 | | + |
| 1075 | | + b = ngx_create_temp_buf(r->pool, len); |
| 1076 | | + if (b == NULL) { |
| 1077 | | + return NGX_ERROR; |
| 1078 | | + } |
| 1079 | | + |
| 1080 | | + cl = ngx_alloc_chain_link(r->pool); |
| 1081 | | + if (cl == NULL) { |
| 1082 | | + return NGX_ERROR; |
| 1083 | | + } |
| 1084 | | + |
| 1085 | | + cl->buf = b; |
| 1086 | | + |
| 1087 | | + |
| 1088 | | + /* the request line */ |
| 1089 | | + |
| 1090 | | + b->last = ngx_copy(b->last, method.data, method.len); |
| 1091 | | + |
| 1092 | | + u->uri.data = b->last; |
| 1093 | | + |
| 1094 | | + if (plcf->proxy_lengths) { |
| 1095 | | + b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); |
| 1096 | | + |
| 1097 | | + } else if (unparsed_uri) { |
| 1098 | | + b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
| 1099 | | + |
| 1100 | | + } else { |
| 1101 | | + if (r->valid_location) { |
| 1102 | | + b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); |
| 1103 | | + } |
| 1104 | | + |
| 1105 | | + if (escape) { |
| 1106 | | + ngx_escape_uri(b->last, r->uri.data + loc_len, |
| 1107 | | + r->uri.len - loc_len, NGX_ESCAPE_URI); |
| 1108 | | + b->last += r->uri.len - loc_len + escape; |
| 1109 | | + |
| 1110 | | + } else { |
| 1111 | | + b->last = ngx_copy(b->last, r->uri.data + loc_len, |
| 1112 | | + r->uri.len - loc_len); |
| 1113 | | + } |
| 1114 | | + |
| 1115 | | + if (r->args.len > 0) { |
| 1116 | | + *b->last++ = '?'; |
| 1117 | | + b->last = ngx_copy(b->last, r->args.data, r->args.len); |
| 1118 | | + } |
| 1119 | | + } |
| 1120 | | + |
| 1121 | | + u->uri.len = b->last - u->uri.data; |
| 1122 | | + |
| 1123 | | + b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
| 1124 | | + sizeof(ngx_http_proxy_version) - 1); |
| 1125 | | + |
| 1126 | | + ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
| 1127 | | + |
| 1128 | | + e.ip = plcf->headers_set->elts; |
| 1129 | | + e.pos = b->last; |
| 1130 | | + e.request = r; |
| 1131 | | + e.flushed = 1; |
| 1132 | | + |
| 1133 | | + le.ip = plcf->headers_set_len->elts; |
| 1134 | | + |
| 1135 | | + while (*(uintptr_t *) le.ip) { |
| 1136 | | + lcode = *(ngx_http_script_len_code_pt *) le.ip; |
| 1137 | | + |
| 1138 | | + /* skip the header line name length */ |
| 1139 | | + (void) lcode(&le); |
| 1140 | | + |
| 1141 | | + if (*(ngx_http_script_len_code_pt *) le.ip) { |
| 1142 | | + |
| 1143 | | + for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { |
| 1144 | | + lcode = *(ngx_http_script_len_code_pt *) le.ip; |
| 1145 | | + } |
| 1146 | | + |
| 1147 | | + e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; |
| 1148 | | + |
| 1149 | | + } else { |
| 1150 | | + e.skip = 0; |
| 1151 | | + } |
| 1152 | | + |
| 1153 | | + le.ip += sizeof(uintptr_t); |
| 1154 | | + |
| 1155 | | + while (*(uintptr_t *) e.ip) { |
| 1156 | | + code = *(ngx_http_script_code_pt *) e.ip; |
| 1157 | | + code((ngx_http_script_engine_t *) &e); |
| 1158 | | + } |
| 1159 | | + e.ip += sizeof(uintptr_t); |
| 1160 | | + } |
| 1161 | | + |
| 1162 | | + b->last = e.pos; |
| 1163 | | + |
| 1164 | | + |
| 1165 | | + if (plcf->upstream.pass_request_headers) { |
| 1166 | | + part = &r->headers_in.headers.part; |
| 1167 | | + header = part->elts; |
| 1168 | | + |
| 1169 | | + for (i = 0; /* void */; i++) { |
| 1170 | | + |
| 1171 | | + if (i >= part->nelts) { |
| 1172 | | + if (part->next == NULL) { |
| 1173 | | + break; |
| 1174 | | + } |
| 1175 | | + |
| 1176 | | + part = part->next; |
| 1177 | | + header = part->elts; |
| 1178 | | + i = 0; |
| 1179 | | + } |
| 1180 | | + |
| 1181 | | + if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 1182 | | + header[i].lowcase_key, header[i].key.len)) |
| 1183 | | + { |
| 1184 | | + continue; |
| 1185 | | + } |
| 1186 | | + |
| 1187 | | + b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
| 1188 | | + |
| 1189 | | + *b->last++ = ':'; *b->last++ = ' '; |
| 1190 | | + |
| 1191 | | + b->last = ngx_copy(b->last, header[i].value.data, |
| 1192 | | + header[i].value.len); |
| 1193 | | + |
| 1194 | | + *b->last++ = CR; *b->last++ = LF; |
| 1195 | | + |
| 1196 | | + ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1197 | | + "http proxy header: \"%V: %V\"", |
| 1198 | | + &header[i].key, &header[i].value); |
| 1199 | | + } |
| 1200 | | + } |
| 1201 | | + |
| 1202 | | + |
| 1203 | | + /* add "\r\n" at the header end */ |
| 1204 | | + *b->last++ = CR; *b->last++ = LF; |
| 1205 | | + |
| 1206 | | + if (plcf->body_set) { |
| 1207 | | + e.ip = plcf->body_set->elts; |
| 1208 | | + e.pos = b->last; |
| 1209 | | + |
| 1210 | | + while (*(uintptr_t *) e.ip) { |
| 1211 | | + code = *(ngx_http_script_code_pt *) e.ip; |
| 1212 | | + code((ngx_http_script_engine_t *) &e); |
| 1213 | | + } |
| 1214 | | + |
| 1215 | | + b->last = e.pos; |
| 1216 | | + } |
| 1217 | | + |
| 1218 | | + ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1219 | | + "http proxy header:\n\"%*s\"", |
| 1220 | | + (size_t) (b->last - b->pos), b->pos); |
| 1221 | | + |
| 1222 | | + if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
| 1223 | | + |
| 1224 | | + body = u->request_bufs; |
| 1225 | | + u->request_bufs = cl; |
| 1226 | | + |
| 1227 | | + while (body) { |
| 1228 | | + b = ngx_alloc_buf(r->pool); |
| 1229 | | + if (b == NULL) { |
| 1230 | | + return NGX_ERROR; |
| 1231 | | + } |
| 1232 | | + |
| 1233 | | + ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); |
| 1234 | | + |
| 1235 | | + cl->next = ngx_alloc_chain_link(r->pool); |
| 1236 | | + if (cl->next == NULL) { |
| 1237 | | + return NGX_ERROR; |
| 1238 | | + } |
| 1239 | | + |
| 1240 | | + cl = cl->next; |
| 1241 | | + cl->buf = b; |
| 1242 | | + |
| 1243 | | + body = body->next; |
| 1244 | | + } |
| 1245 | | + |
| 1246 | | + b->flush = 1; |
| 1247 | | + |
| 1248 | | + } else { |
| 1249 | | + u->request_bufs = cl; |
| 1250 | | + } |
| 1251 | | + |
| 1252 | | + cl->next = NULL; |
| 1253 | | + |
| 1254 | | + return NGX_OK; |
| 1255 | | +} |
| 1256 | | + |
| 1257 | | + |
| 1258 | | +static ngx_int_t |
| 1259 | | +ngx_http_proxy_reinit_request(ngx_http_request_t *r) |
| 1260 | | +{ |
| 1261 | | + ngx_http_proxy_ctx_t *ctx; |
| 1262 | | + |
| 1263 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 1264 | | + |
| 1265 | | + if (ctx == NULL) { |
| 1266 | | + return NGX_OK; |
| 1267 | | + } |
| 1268 | | + |
| 1269 | | + ctx->status.code = 0; |
| 1270 | | + ctx->status.count = 0; |
| 1271 | | + ctx->status.start = NULL; |
| 1272 | | + ctx->status.end = NULL; |
| 1273 | | + |
| 1274 | | + r->upstream->process_header = ngx_http_proxy_process_status_line; |
| 1275 | | + r->state = 0; |
| 1276 | | + |
| 1277 | | + return NGX_OK; |
| 1278 | | +} |
| 1279 | | + |
| 1280 | | + |
| 1281 | | +static ngx_int_t |
| 1282 | | +ngx_http_proxy_process_status_line(ngx_http_request_t *r) |
| 1283 | | +{ |
| 1284 | | + size_t len; |
| 1285 | | + ngx_int_t rc; |
| 1286 | | + ngx_http_upstream_t *u; |
| 1287 | | + ngx_http_proxy_ctx_t *ctx; |
| 1288 | | + |
| 1289 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 1290 | | + |
| 1291 | | + if (ctx == NULL) { |
| 1292 | | + return NGX_ERROR; |
| 1293 | | + } |
| 1294 | | + |
| 1295 | | + u = r->upstream; |
| 1296 | | + |
| 1297 | | + rc = ngx_http_parse_status_line(r, &u->buffer, &ctx->status); |
| 1298 | | + |
| 1299 | | + if (rc == NGX_AGAIN) { |
| 1300 | | + return rc; |
| 1301 | | + } |
| 1302 | | + |
| 1303 | | + if (rc == NGX_ERROR) { |
| 1304 | | + |
| 1305 | | +#if (NGX_HTTP_CACHE) |
| 1306 | | + |
| 1307 | | + if (r->cache) { |
| 1308 | | + r->http_version = NGX_HTTP_VERSION_9; |
| 1309 | | + return NGX_OK; |
| 1310 | | + } |
| 1311 | | + |
| 1312 | | +#endif |
| 1313 | | + |
| 1314 | | + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 1315 | | + "upstream sent no valid HTTP/1.0 header"); |
| 1316 | | + |
| 1317 | | +#if 0 |
| 1318 | | + if (u->accel) { |
| 1319 | | + return NGX_HTTP_UPSTREAM_INVALID_HEADER; |
| 1320 | | + } |
| 1321 | | +#endif |
| 1322 | | + |
| 1323 | | + r->http_version = NGX_HTTP_VERSION_9; |
| 1324 | | + u->state->status = NGX_HTTP_OK; |
| 1325 | | + |
| 1326 | | + return NGX_OK; |
| 1327 | | + } |
| 1328 | | + |
| 1329 | | + if (u->state) { |
| 1330 | | + u->state->status = ctx->status.code; |
| 1331 | | + } |
| 1332 | | + |
| 1333 | | + u->headers_in.status_n = ctx->status.code; |
| 1334 | | + |
| 1335 | | + len = ctx->status.end - ctx->status.start; |
| 1336 | | + u->headers_in.status_line.len = len; |
| 1337 | | + |
| 1338 | | + u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); |
| 1339 | | + if (u->headers_in.status_line.data == NULL) { |
| 1340 | | + return NGX_ERROR; |
| 1341 | | + } |
| 1342 | | + |
| 1343 | | + ngx_memcpy(u->headers_in.status_line.data, ctx->status.start, len); |
| 1344 | | + |
| 1345 | | + ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1346 | | + "http proxy status %ui \"%V\"", |
| 1347 | | + u->headers_in.status_n, &u->headers_in.status_line); |
| 1348 | | + |
| 1349 | | + u->process_header = ngx_http_proxy_process_header; |
| 1350 | | + |
| 1351 | | + return ngx_http_proxy_process_header(r); |
| 1352 | | +} |
| 1353 | | + |
| 1354 | | + |
| 1355 | | +static ngx_int_t |
| 1356 | | +ngx_http_proxy_process_header(ngx_http_request_t *r) |
| 1357 | | +{ |
| 1358 | | + ngx_int_t rc; |
| 1359 | | + ngx_table_elt_t *h; |
| 1360 | | + ngx_http_upstream_header_t *hh; |
| 1361 | | + ngx_http_upstream_main_conf_t *umcf; |
| 1362 | | + |
| 1363 | | + umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); |
| 1364 | | + |
| 1365 | | + for ( ;; ) { |
| 1366 | | + |
| 1367 | | + rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); |
| 1368 | | + |
| 1369 | | + if (rc == NGX_OK) { |
| 1370 | | + |
| 1371 | | + /* a header line has been parsed successfully */ |
| 1372 | | + |
| 1373 | | + h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1374 | | + if (h == NULL) { |
| 1375 | | + return NGX_ERROR; |
| 1376 | | + } |
| 1377 | | + |
| 1378 | | + h->hash = r->header_hash; |
| 1379 | | + |
| 1380 | | + h->key.len = r->header_name_end - r->header_name_start; |
| 1381 | | + h->value.len = r->header_end - r->header_start; |
| 1382 | | + |
| 1383 | | + h->key.data = ngx_pnalloc(r->pool, |
| 1384 | | + h->key.len + 1 + h->value.len + 1 + h->key.len); |
| 1385 | | + if (h->key.data == NULL) { |
| 1386 | | + return NGX_ERROR; |
| 1387 | | + } |
| 1388 | | + |
| 1389 | | + h->value.data = h->key.data + h->key.len + 1; |
| 1390 | | + h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
| 1391 | | + |
| 1392 | | + ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
| 1393 | | + ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); |
| 1394 | | + |
| 1395 | | + if (h->key.len == r->lowcase_index) { |
| 1396 | | + ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); |
| 1397 | | + |
| 1398 | | + } else { |
| 1399 | | + ngx_strlow(h->lowcase_key, h->key.data, h->key.len); |
| 1400 | | + } |
| 1401 | | + |
| 1402 | | + hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
| 1403 | | + h->lowcase_key, h->key.len); |
| 1404 | | + |
| 1405 | | + if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { |
| 1406 | | + return NGX_ERROR; |
| 1407 | | + } |
| 1408 | | + |
| 1409 | | + ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1410 | | + "http proxy header: \"%V: %V\"", |
| 1411 | | + &h->key, &h->value); |
| 1412 | | + |
| 1413 | | + continue; |
| 1414 | | + } |
| 1415 | | + |
| 1416 | | + if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
| 1417 | | + |
| 1418 | | + /* a whole header has been parsed successfully */ |
| 1419 | | + |
| 1420 | | + ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1421 | | + "http proxy header done"); |
| 1422 | | + |
| 1423 | | + /* |
| 1424 | | + * if no "Server" and "Date" in header line, |
| 1425 | | + * then add the special empty headers |
| 1426 | | + */ |
| 1427 | | + |
| 1428 | | + if (r->upstream->headers_in.server == NULL) { |
| 1429 | | + h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1430 | | + if (h == NULL) { |
| 1431 | | + return NGX_ERROR; |
| 1432 | | + } |
| 1433 | | + |
| 1434 | | + h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( |
| 1435 | | + ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); |
| 1436 | | + |
| 1437 | | + ngx_str_set(&h->key, "Server"); |
| 1438 | | + ngx_str_null(&h->value); |
| 1439 | | + h->lowcase_key = (u_char *) "server"; |
| 1440 | | + } |
| 1441 | | + |
| 1442 | | + if (r->upstream->headers_in.date == NULL) { |
| 1443 | | + h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1444 | | + if (h == NULL) { |
| 1445 | | + return NGX_ERROR; |
| 1446 | | + } |
| 1447 | | + |
| 1448 | | + h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); |
| 1449 | | + |
| 1450 | | + ngx_str_set(&h->key, "Date"); |
| 1451 | | + ngx_str_null(&h->value); |
| 1452 | | + h->lowcase_key = (u_char *) "date"; |
| 1453 | | + } |
| 1454 | | + |
| 1455 | | + return NGX_OK; |
| 1456 | | + } |
| 1457 | | + |
| 1458 | | + if (rc == NGX_AGAIN) { |
| 1459 | | + return NGX_AGAIN; |
| 1460 | | + } |
| 1461 | | + |
| 1462 | | + /* there was error while a header line parsing */ |
| 1463 | | + |
| 1464 | | + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 1465 | | + "upstream sent invalid header"); |
| 1466 | | + |
| 1467 | | + return NGX_HTTP_UPSTREAM_INVALID_HEADER; |
| 1468 | | + } |
| 1469 | | +} |
| 1470 | | + |
| 1471 | | + |
| 1472 | | +static void |
| 1473 | | +ngx_http_proxy_abort_request(ngx_http_request_t *r) |
| 1474 | | +{ |
| 1475 | | + ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1476 | | + "abort http proxy request"); |
| 1477 | | + |
| 1478 | | + return; |
| 1479 | | +} |
| 1480 | | + |
| 1481 | | + |
| 1482 | | +static void |
| 1483 | | +ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) |
| 1484 | | +{ |
| 1485 | | + ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1486 | | + "finalize http proxy request"); |
| 1487 | | + |
| 1488 | | + return; |
| 1489 | | +} |
| 1490 | | + |
| 1491 | | + |
| 1492 | | +static ngx_int_t |
| 1493 | | +ngx_http_proxy_host_variable(ngx_http_request_t *r, |
| 1494 | | + ngx_http_variable_value_t *v, uintptr_t data) |
| 1495 | | +{ |
| 1496 | | + ngx_http_proxy_ctx_t *ctx; |
| 1497 | | + |
| 1498 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 1499 | | + |
| 1500 | | + if (ctx == NULL) { |
| 1501 | | + v->not_found = 1; |
| 1502 | | + return NGX_OK; |
| 1503 | | + } |
| 1504 | | + |
| 1505 | | + v->len = ctx->vars.host_header.len; |
| 1506 | | + v->valid = 1; |
| 1507 | | + v->no_cacheable = 0; |
| 1508 | | + v->not_found = 0; |
| 1509 | | + v->data = ctx->vars.host_header.data; |
| 1510 | | + |
| 1511 | | + return NGX_OK; |
| 1512 | | +} |
| 1513 | | + |
| 1514 | | + |
| 1515 | | +static ngx_int_t |
| 1516 | | +ngx_http_proxy_port_variable(ngx_http_request_t *r, |
| 1517 | | + ngx_http_variable_value_t *v, uintptr_t data) |
| 1518 | | +{ |
| 1519 | | + ngx_http_proxy_ctx_t *ctx; |
| 1520 | | + |
| 1521 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 1522 | | + |
| 1523 | | + if (ctx == NULL) { |
| 1524 | | + v->not_found = 1; |
| 1525 | | + return NGX_OK; |
| 1526 | | + } |
| 1527 | | + |
| 1528 | | + v->len = ctx->vars.port.len; |
| 1529 | | + v->valid = 1; |
| 1530 | | + v->no_cacheable = 0; |
| 1531 | | + v->not_found = 0; |
| 1532 | | + v->data = ctx->vars.port.data; |
| 1533 | | + |
| 1534 | | + return NGX_OK; |
| 1535 | | +} |
| 1536 | | + |
| 1537 | | + |
| 1538 | | +static ngx_int_t |
| 1539 | | +ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 1540 | | + ngx_http_variable_value_t *v, uintptr_t data) |
| 1541 | | +{ |
| 1542 | | + u_char *p; |
| 1543 | | + |
| 1544 | | + v->valid = 1; |
| 1545 | | + v->no_cacheable = 0; |
| 1546 | | + v->not_found = 0; |
| 1547 | | + |
| 1548 | | + if (r->headers_in.x_forwarded_for == NULL) { |
| 1549 | | + v->len = r->connection->addr_text.len; |
| 1550 | | + v->data = r->connection->addr_text.data; |
| 1551 | | + return NGX_OK; |
| 1552 | | + } |
| 1553 | | + |
| 1554 | | + v->len = r->headers_in.x_forwarded_for->value.len |
| 1555 | | + + sizeof(", ") - 1 + r->connection->addr_text.len; |
| 1556 | | + |
| 1557 | | + p = ngx_pnalloc(r->pool, v->len); |
| 1558 | | + if (p == NULL) { |
| 1559 | | + return NGX_ERROR; |
| 1560 | | + } |
| 1561 | | + |
| 1562 | | + v->data = p; |
| 1563 | | + |
| 1564 | | + p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
| 1565 | | + r->headers_in.x_forwarded_for->value.len); |
| 1566 | | + |
| 1567 | | + *p++ = ','; *p++ = ' '; |
| 1568 | | + |
| 1569 | | + ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); |
| 1570 | | + |
| 1571 | | + return NGX_OK; |
| 1572 | | +} |
| 1573 | | + |
| 1574 | | + |
| 1575 | | +static ngx_int_t |
| 1576 | | +ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
| 1577 | | + ngx_http_variable_value_t *v, uintptr_t data) |
| 1578 | | +{ |
| 1579 | | + ngx_http_proxy_ctx_t *ctx; |
| 1580 | | + |
| 1581 | | + ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
| 1582 | | + |
| 1583 | | + if (ctx == NULL) { |
| 1584 | | + v->not_found = 1; |
| 1585 | | + return NGX_OK; |
| 1586 | | + } |
| 1587 | | + |
| 1588 | | + v->valid = 1; |
| 1589 | | + v->no_cacheable = 0; |
| 1590 | | + v->not_found = 0; |
| 1591 | | + |
| 1592 | | + v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN); |
| 1593 | | + |
| 1594 | | + if (v->data == NULL) { |
| 1595 | | + return NGX_ERROR; |
| 1596 | | + } |
| 1597 | | + |
| 1598 | | + v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data; |
| 1599 | | + |
| 1600 | | + return NGX_OK; |
| 1601 | | +} |
| 1602 | | + |
| 1603 | | + |
| 1604 | | +static ngx_int_t |
| 1605 | | +ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1606 | | + size_t prefix) |
| 1607 | | +{ |
| 1608 | | + ngx_int_t rc; |
| 1609 | | + ngx_uint_t i; |
| 1610 | | + ngx_http_proxy_loc_conf_t *plcf; |
| 1611 | | + ngx_http_proxy_redirect_t *pr; |
| 1612 | | + |
| 1613 | | + plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 1614 | | + |
| 1615 | | + pr = plcf->redirects->elts; |
| 1616 | | + |
| 1617 | | + if (pr == NULL) { |
| 1618 | | + return NGX_DECLINED; |
| 1619 | | + } |
| 1620 | | + |
| 1621 | | + for (i = 0; i < plcf->redirects->nelts; i++) { |
| 1622 | | + rc = pr[i].handler(r, h, prefix, &pr[i]); |
| 1623 | | + |
| 1624 | | + if (rc != NGX_DECLINED) { |
| 1625 | | + return rc; |
| 1626 | | + } |
| 1627 | | + } |
| 1628 | | + |
| 1629 | | + return NGX_DECLINED; |
| 1630 | | +} |
| 1631 | | + |
| 1632 | | + |
| 1633 | | +static ngx_int_t |
| 1634 | | +ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1635 | | + size_t prefix, ngx_http_proxy_redirect_t *pr) |
| 1636 | | +{ |
| 1637 | | + size_t len; |
| 1638 | | + u_char *data, *p; |
| 1639 | | + |
| 1640 | | + if (pr->redirect.len > h->value.len - prefix |
| 1641 | | + || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, |
| 1642 | | + pr->redirect.len) != 0) |
| 1643 | | + { |
| 1644 | | + return NGX_DECLINED; |
| 1645 | | + } |
| 1646 | | + |
| 1647 | | + len = pr->replacement.text.len + h->value.len - pr->redirect.len; |
| 1648 | | + |
| 1649 | | + data = ngx_pnalloc(r->pool, len); |
| 1650 | | + if (data == NULL) { |
| 1651 | | + return NGX_ERROR; |
| 1652 | | + } |
| 1653 | | + |
| 1654 | | + p = ngx_copy(data, h->value.data, prefix); |
| 1655 | | + |
| 1656 | | + if (pr->replacement.text.len) { |
| 1657 | | + p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); |
| 1658 | | + } |
| 1659 | | + |
| 1660 | | + ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, |
| 1661 | | + h->value.len - pr->redirect.len - prefix); |
| 1662 | | + |
| 1663 | | + h->value.len = len; |
| 1664 | | + h->value.data = data; |
| 1665 | | + |
| 1666 | | + return NGX_OK; |
| 1667 | | +} |
| 1668 | | + |
| 1669 | | + |
| 1670 | | +static ngx_int_t |
| 1671 | | +ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1672 | | + size_t prefix, ngx_http_proxy_redirect_t *pr) |
| 1673 | | +{ |
| 1674 | | + size_t len; |
| 1675 | | + u_char *data, *p; |
| 1676 | | + ngx_http_script_code_pt code; |
| 1677 | | + ngx_http_script_engine_t e; |
| 1678 | | + ngx_http_script_len_code_pt lcode; |
| 1679 | | + |
| 1680 | | + if (pr->redirect.len > h->value.len - prefix |
| 1681 | | + || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, |
| 1682 | | + pr->redirect.len) != 0) |
| 1683 | | + { |
| 1684 | | + return NGX_DECLINED; |
| 1685 | | + } |
| 1686 | | + |
| 1687 | | + ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
| 1688 | | + |
| 1689 | | + e.ip = pr->replacement.vars.lengths; |
| 1690 | | + e.request = r; |
| 1691 | | + |
| 1692 | | + len = h->value.len - pr->redirect.len; |
| 1693 | | + |
| 1694 | | + while (*(uintptr_t *) e.ip) { |
| 1695 | | + lcode = *(ngx_http_script_len_code_pt *) e.ip; |
| 1696 | | + len += lcode(&e); |
| 1697 | | + } |
| 1698 | | + |
| 1699 | | + data = ngx_pnalloc(r->pool, len); |
| 1700 | | + if (data == NULL) { |
| 1701 | | + return NGX_ERROR; |
| 1702 | | + } |
| 1703 | | + |
| 1704 | | + p = ngx_copy(data, h->value.data, prefix); |
| 1705 | | + |
| 1706 | | + e.ip = pr->replacement.vars.values; |
| 1707 | | + e.pos = p; |
| 1708 | | + |
| 1709 | | + while (*(uintptr_t *) e.ip) { |
| 1710 | | + code = *(ngx_http_script_code_pt *) e.ip; |
| 1711 | | + code(&e); |
| 1712 | | + } |
| 1713 | | + |
| 1714 | | + ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
| 1715 | | + h->value.len - pr->redirect.len - prefix); |
| 1716 | | + |
| 1717 | | + h->value.len = len; |
| 1718 | | + h->value.data = data; |
| 1719 | | + |
| 1720 | | + return NGX_OK; |
| 1721 | | +} |
| 1722 | | + |
| 1723 | | + |
| 1724 | | +static ngx_int_t |
| 1725 | | +ngx_http_proxy_add_variables(ngx_conf_t *cf) |
| 1726 | | +{ |
| 1727 | | + ngx_http_variable_t *var, *v; |
| 1728 | | + |
| 1729 | | + for (v = ngx_http_proxy_vars; v->name.len; v++) { |
| 1730 | | + var = ngx_http_add_variable(cf, &v->name, v->flags); |
| 1731 | | + if (var == NULL) { |
| 1732 | | + return NGX_ERROR; |
| 1733 | | + } |
| 1734 | | + |
| 1735 | | + var->get_handler = v->get_handler; |
| 1736 | | + var->data = v->data; |
| 1737 | | + } |
| 1738 | | + |
| 1739 | | + return NGX_OK; |
| 1740 | | +} |
| 1741 | | + |
| 1742 | | + |
| 1743 | | +static void * |
| 1744 | | +ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) |
| 1745 | | +{ |
| 1746 | | + ngx_http_proxy_loc_conf_t *conf; |
| 1747 | | + |
| 1748 | | + conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); |
| 1749 | | + if (conf == NULL) { |
| 1750 | | + return NULL; |
| 1751 | | + } |
| 1752 | | + |
| 1753 | | + /* |
| 1754 | | + * set by ngx_pcalloc(): |
| 1755 | | + * |
| 1756 | | + * conf->upstream.bufs.num = 0; |
| 1757 | | + * conf->upstream.ignore_headers = 0; |
| 1758 | | + * conf->upstream.next_upstream = 0; |
| 1759 | | + * conf->upstream.cache_use_stale = 0; |
| 1760 | | + * conf->upstream.cache_methods = 0; |
| 1761 | | + * conf->upstream.temp_path = NULL; |
| 1762 | | + * conf->upstream.hide_headers_hash = { NULL, 0 }; |
| 1763 | | + * conf->upstream.uri = { 0, NULL }; |
| 1764 | | + * conf->upstream.location = NULL; |
| 1765 | | + * conf->upstream.store_lengths = NULL; |
| 1766 | | + * conf->upstream.store_values = NULL; |
| 1767 | | + * |
| 1768 | | + * conf->method = NULL; |
| 1769 | | + * conf->headers_source = NULL; |
| 1770 | | + * conf->headers_set_len = NULL; |
| 1771 | | + * conf->headers_set = NULL; |
| 1772 | | + * conf->headers_set_hash = NULL; |
| 1773 | | + * conf->body_set_len = NULL; |
| 1774 | | + * conf->body_set = NULL; |
| 1775 | | + * conf->body_source = { 0, NULL }; |
| 1776 | | + * conf->redirects = NULL; |
| 1777 | | + */ |
| 1778 | | + |
| 1779 | | + conf->upstream.store = NGX_CONF_UNSET; |
| 1780 | | + conf->upstream.store_access = NGX_CONF_UNSET_UINT; |
| 1781 | | + conf->upstream.buffering = NGX_CONF_UNSET; |
| 1782 | | + conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
| 1783 | | + |
| 1784 | | + conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
| 1785 | | + conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; |
| 1786 | | + conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; |
| 1787 | | + |
| 1788 | | + conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; |
| 1789 | | + conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
| 1790 | | + |
| 1791 | | + conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; |
| 1792 | | + conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
| 1793 | | + conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
| 1794 | | + |
| 1795 | | + conf->upstream.pass_request_headers = NGX_CONF_UNSET; |
| 1796 | | + conf->upstream.pass_request_body = NGX_CONF_UNSET; |
| 1797 | | + |
| 1798 | | +#if (NGX_HTTP_CACHE) |
| 1799 | | + conf->upstream.cache = NGX_CONF_UNSET_PTR; |
| 1800 | | + conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; |
| 1801 | | + conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; |
| 1802 | | + conf->upstream.no_cache = NGX_CONF_UNSET_PTR; |
| 1803 | | + conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; |
| 1804 | | +#endif |
| 1805 | | + |
| 1806 | | + conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; |
| 1807 | | + conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; |
| 1808 | | + |
| 1809 | | + conf->upstream.intercept_errors = NGX_CONF_UNSET; |
| 1810 | | +#if (NGX_HTTP_SSL) |
| 1811 | | + conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; |
| 1812 | | +#endif |
| 1813 | | + |
| 1814 | | + /* "proxy_cyclic_temp_file" is disabled */ |
| 1815 | | + conf->upstream.cyclic_temp_file = 0; |
| 1816 | | + |
| 1817 | | + conf->redirect = NGX_CONF_UNSET; |
| 1818 | | + conf->upstream.change_buffering = 1; |
| 1819 | | + |
| 1820 | | + conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
| 1821 | | + conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
| 1822 | | + |
| 1823 | | + return conf; |
| 1824 | | +} |
| 1825 | | + |
| 1826 | | + |
| 1827 | | +static char * |
| 1828 | | +ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) |
| 1829 | | +{ |
| 1830 | | + ngx_http_proxy_loc_conf_t *prev = parent; |
| 1831 | | + ngx_http_proxy_loc_conf_t *conf = child; |
| 1832 | | + |
| 1833 | | + size_t size; |
| 1834 | | + ngx_keyval_t *s; |
| 1835 | | + ngx_hash_init_t hash; |
| 1836 | | + ngx_http_core_loc_conf_t *clcf; |
| 1837 | | + ngx_http_proxy_redirect_t *pr; |
| 1838 | | + ngx_http_script_compile_t sc; |
| 1839 | | + |
| 1840 | | + if (conf->upstream.store != 0) { |
| 1841 | | + ngx_conf_merge_value(conf->upstream.store, |
| 1842 | | + prev->upstream.store, 0); |
| 1843 | | + |
| 1844 | | + if (conf->upstream.store_lengths == NULL) { |
| 1845 | | + conf->upstream.store_lengths = prev->upstream.store_lengths; |
| 1846 | | + conf->upstream.store_values = prev->upstream.store_values; |
| 1847 | | + } |
| 1848 | | + } |
| 1849 | | + |
| 1850 | | + ngx_conf_merge_uint_value(conf->upstream.store_access, |
| 1851 | | + prev->upstream.store_access, 0600); |
| 1852 | | + |
| 1853 | | + ngx_conf_merge_value(conf->upstream.buffering, |
| 1854 | | + prev->upstream.buffering, 1); |
| 1855 | | + |
| 1856 | | + ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
| 1857 | | + prev->upstream.ignore_client_abort, 0); |
| 1858 | | + |
| 1859 | | + ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
| 1860 | | + prev->upstream.connect_timeout, 60000); |
| 1861 | | + |
| 1862 | | + ngx_conf_merge_msec_value(conf->upstream.send_timeout, |
| 1863 | | + prev->upstream.send_timeout, 60000); |
| 1864 | | + |
| 1865 | | + ngx_conf_merge_msec_value(conf->upstream.read_timeout, |
| 1866 | | + prev->upstream.read_timeout, 60000); |
| 1867 | | + |
| 1868 | | + ngx_conf_merge_size_value(conf->upstream.send_lowat, |
| 1869 | | + prev->upstream.send_lowat, 0); |
| 1870 | | + |
| 1871 | | + ngx_conf_merge_size_value(conf->upstream.buffer_size, |
| 1872 | | + prev->upstream.buffer_size, |
| 1873 | | + (size_t) ngx_pagesize); |
| 1874 | | + |
| 1875 | | + ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, |
| 1876 | | + 8, ngx_pagesize); |
| 1877 | | + |
| 1878 | | + if (conf->upstream.bufs.num < 2) { |
| 1879 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1880 | | + "there must be at least 2 \"proxy_buffers\""); |
| 1881 | | + return NGX_CONF_ERROR; |
| 1882 | | + } |
| 1883 | | + |
| 1884 | | + |
| 1885 | | + size = conf->upstream.buffer_size; |
| 1886 | | + if (size < conf->upstream.bufs.size) { |
| 1887 | | + size = conf->upstream.bufs.size; |
| 1888 | | + } |
| 1889 | | + |
| 1890 | | + |
| 1891 | | + ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
| 1892 | | + prev->upstream.busy_buffers_size_conf, |
| 1893 | | + NGX_CONF_UNSET_SIZE); |
| 1894 | | + |
| 1895 | | + if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
| 1896 | | + conf->upstream.busy_buffers_size = 2 * size; |
| 1897 | | + } else { |
| 1898 | | + conf->upstream.busy_buffers_size = |
| 1899 | | + conf->upstream.busy_buffers_size_conf; |
| 1900 | | + } |
| 1901 | | + |
| 1902 | | + if (conf->upstream.busy_buffers_size < size) { |
| 1903 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1904 | | + "\"proxy_busy_buffers_size\" must be equal or bigger than " |
| 1905 | | + "maximum of the value of \"proxy_buffer_size\" and " |
| 1906 | | + "one of the \"proxy_buffers\""); |
| 1907 | | + |
| 1908 | | + return NGX_CONF_ERROR; |
| 1909 | | + } |
| 1910 | | + |
| 1911 | | + if (conf->upstream.busy_buffers_size |
| 1912 | | + > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) |
| 1913 | | + { |
| 1914 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1915 | | + "\"proxy_busy_buffers_size\" must be less than " |
| 1916 | | + "the size of all \"proxy_buffers\" minus one buffer"); |
| 1917 | | + |
| 1918 | | + return NGX_CONF_ERROR; |
| 1919 | | + } |
| 1920 | | + |
| 1921 | | + |
| 1922 | | + ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
| 1923 | | + prev->upstream.temp_file_write_size_conf, |
| 1924 | | + NGX_CONF_UNSET_SIZE); |
| 1925 | | + |
| 1926 | | + if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
| 1927 | | + conf->upstream.temp_file_write_size = 2 * size; |
| 1928 | | + } else { |
| 1929 | | + conf->upstream.temp_file_write_size = |
| 1930 | | + conf->upstream.temp_file_write_size_conf; |
| 1931 | | + } |
| 1932 | | + |
| 1933 | | + if (conf->upstream.temp_file_write_size < size) { |
| 1934 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1935 | | + "\"proxy_temp_file_write_size\" must be equal or bigger than " |
| 1936 | | + "maximum of the value of \"proxy_buffer_size\" and " |
| 1937 | | + "one of the \"proxy_buffers\""); |
| 1938 | | + |
| 1939 | | + return NGX_CONF_ERROR; |
| 1940 | | + } |
| 1941 | | + |
| 1942 | | + ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
| 1943 | | + prev->upstream.max_temp_file_size_conf, |
| 1944 | | + NGX_CONF_UNSET_SIZE); |
| 1945 | | + |
| 1946 | | + if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
| 1947 | | + conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
| 1948 | | + } else { |
| 1949 | | + conf->upstream.max_temp_file_size = |
| 1950 | | + conf->upstream.max_temp_file_size_conf; |
| 1951 | | + } |
| 1952 | | + |
| 1953 | | + if (conf->upstream.max_temp_file_size != 0 |
| 1954 | | + && conf->upstream.max_temp_file_size < size) |
| 1955 | | + { |
| 1956 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1957 | | + "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
| 1958 | | + "the temporary files usage or must be equal or bigger than " |
| 1959 | | + "maximum of the value of \"proxy_buffer_size\" and " |
| 1960 | | + "one of the \"proxy_buffers\""); |
| 1961 | | + |
| 1962 | | + return NGX_CONF_ERROR; |
| 1963 | | + } |
| 1964 | | + |
| 1965 | | + |
| 1966 | | + ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, |
| 1967 | | + prev->upstream.ignore_headers, |
| 1968 | | + NGX_CONF_BITMASK_SET); |
| 1969 | | + |
| 1970 | | + |
| 1971 | | + ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
| 1972 | | + prev->upstream.next_upstream, |
| 1973 | | + (NGX_CONF_BITMASK_SET |
| 1974 | | + |NGX_HTTP_UPSTREAM_FT_ERROR |
| 1975 | | + |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); |
| 1976 | | + |
| 1977 | | + if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
| 1978 | | + conf->upstream.next_upstream = NGX_CONF_BITMASK_SET |
| 1979 | | + |NGX_HTTP_UPSTREAM_FT_OFF; |
| 1980 | | + } |
| 1981 | | + |
| 1982 | | + if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, |
| 1983 | | + prev->upstream.temp_path, |
| 1984 | | + &ngx_http_proxy_temp_path) |
| 1985 | | + != NGX_OK) |
| 1986 | | + { |
| 1987 | | + return NGX_CONF_ERROR; |
| 1988 | | + } |
| 1989 | | + |
| 1990 | | + |
| 1991 | | +#if (NGX_HTTP_CACHE) |
| 1992 | | + |
| 1993 | | + ngx_conf_merge_ptr_value(conf->upstream.cache, |
| 1994 | | + prev->upstream.cache, NULL); |
| 1995 | | + |
| 1996 | | + if (conf->upstream.cache && conf->upstream.cache->data == NULL) { |
| 1997 | | + ngx_shm_zone_t *shm_zone; |
| 1998 | | + |
| 1999 | | + shm_zone = conf->upstream.cache; |
| 2000 | | + |
| 2001 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2002 | | + "\"proxy_cache\" zone \"%V\" is unknown", |
| 2003 | | + &shm_zone->shm.name); |
| 2004 | | + |
| 2005 | | + return NGX_CONF_ERROR; |
| 2006 | | + } |
| 2007 | | + |
| 2008 | | + ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, |
| 2009 | | + prev->upstream.cache_min_uses, 1); |
| 2010 | | + |
| 2011 | | + ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, |
| 2012 | | + prev->upstream.cache_use_stale, |
| 2013 | | + (NGX_CONF_BITMASK_SET |
| 2014 | | + |NGX_HTTP_UPSTREAM_FT_OFF)); |
| 2015 | | + |
| 2016 | | + if (conf->upstream.cache_methods == 0) { |
| 2017 | | + conf->upstream.cache_methods = prev->upstream.cache_methods; |
| 2018 | | + } |
| 2019 | | + |
| 2020 | | + conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; |
| 2021 | | + |
| 2022 | | + if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { |
| 2023 | | + conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET |
| 2024 | | + |NGX_HTTP_UPSTREAM_FT_OFF; |
| 2025 | | + } |
| 2026 | | + |
| 2027 | | + ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, |
| 2028 | | + prev->upstream.cache_bypass, NULL); |
| 2029 | | + |
| 2030 | | + ngx_conf_merge_ptr_value(conf->upstream.no_cache, |
| 2031 | | + prev->upstream.no_cache, NULL); |
| 2032 | | + |
| 2033 | | + if (conf->upstream.no_cache && conf->upstream.cache_bypass == NULL) { |
| 2034 | | + ngx_log_error(NGX_LOG_WARN, cf->log, 0, |
| 2035 | | + "\"proxy_no_cache\" functionality has been changed in 0.8.46, " |
| 2036 | | + "now it should be used together with \"proxy_cache_bypass\""); |
| 2037 | | + } |
| 2038 | | + |
| 2039 | | + ngx_conf_merge_ptr_value(conf->upstream.cache_valid, |
| 2040 | | + prev->upstream.cache_valid, NULL); |
| 2041 | | + |
| 2042 | | + if (conf->cache_key.value.data == NULL) { |
| 2043 | | + conf->cache_key = prev->cache_key; |
| 2044 | | + } |
| 2045 | | + |
| 2046 | | +#endif |
| 2047 | | + |
| 2048 | | + if (conf->method.len == 0) { |
| 2049 | | + conf->method = prev->method; |
| 2050 | | + |
| 2051 | | + } else { |
| 2052 | | + conf->method.data[conf->method.len] = ' '; |
| 2053 | | + conf->method.len++; |
| 2054 | | + } |
| 2055 | | + |
| 2056 | | + ngx_conf_merge_value(conf->upstream.pass_request_headers, |
| 2057 | | + prev->upstream.pass_request_headers, 1); |
| 2058 | | + ngx_conf_merge_value(conf->upstream.pass_request_body, |
| 2059 | | + prev->upstream.pass_request_body, 1); |
| 2060 | | + |
| 2061 | | + ngx_conf_merge_value(conf->upstream.intercept_errors, |
| 2062 | | + prev->upstream.intercept_errors, 0); |
| 2063 | | + |
| 2064 | | +#if (NGX_HTTP_SSL) |
| 2065 | | + ngx_conf_merge_value(conf->upstream.ssl_session_reuse, |
| 2066 | | + prev->upstream.ssl_session_reuse, 1); |
| 2067 | | +#endif |
| 2068 | | + |
| 2069 | | + ngx_conf_merge_value(conf->redirect, prev->redirect, 1); |
| 2070 | | + |
| 2071 | | + if (conf->redirect) { |
| 2072 | | + |
| 2073 | | + if (conf->redirects == NULL) { |
| 2074 | | + conf->redirects = prev->redirects; |
| 2075 | | + } |
| 2076 | | + |
| 2077 | | + if (conf->redirects == NULL && conf->url.data) { |
| 2078 | | + |
| 2079 | | + conf->redirects = ngx_array_create(cf->pool, 1, |
| 2080 | | + sizeof(ngx_http_proxy_redirect_t)); |
| 2081 | | + if (conf->redirects == NULL) { |
| 2082 | | + return NGX_CONF_ERROR; |
| 2083 | | + } |
| 2084 | | + |
| 2085 | | + pr = ngx_array_push(conf->redirects); |
| 2086 | | + if (pr == NULL) { |
| 2087 | | + return NGX_CONF_ERROR; |
| 2088 | | + } |
| 2089 | | + |
| 2090 | | + pr->handler = ngx_http_proxy_rewrite_redirect_text; |
| 2091 | | + pr->redirect = conf->url; |
| 2092 | | + |
| 2093 | | + if (conf->vars.uri.len) { |
| 2094 | | + pr->replacement.text = conf->location; |
| 2095 | | + |
| 2096 | | + } else { |
| 2097 | | + ngx_str_null(&pr->replacement.text); |
| 2098 | | + } |
| 2099 | | + } |
| 2100 | | + } |
| 2101 | | + |
| 2102 | | +#if (NGX_HTTP_SSL) |
| 2103 | | + if (conf->upstream.ssl == NULL) { |
| 2104 | | + conf->upstream.ssl = prev->upstream.ssl; |
| 2105 | | + } |
| 2106 | | +#endif |
| 2107 | | + |
| 2108 | | + ngx_conf_merge_uint_value(conf->headers_hash_max_size, |
| 2109 | | + prev->headers_hash_max_size, 512); |
| 2110 | | + |
| 2111 | | + ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, |
| 2112 | | + prev->headers_hash_bucket_size, 64); |
| 2113 | | + |
| 2114 | | + conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size, |
| 2115 | | + ngx_cacheline_size); |
| 2116 | | + |
| 2117 | | + hash.max_size = conf->headers_hash_max_size; |
| 2118 | | + hash.bucket_size = conf->headers_hash_bucket_size; |
| 2119 | | + hash.name = "proxy_headers_hash"; |
| 2120 | | + |
| 2121 | | + if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, |
| 2122 | | + &prev->upstream, ngx_http_proxy_hide_headers, &hash) |
| 2123 | | + != NGX_OK) |
| 2124 | | + { |
| 2125 | | + return NGX_CONF_ERROR; |
| 2126 | | + } |
| 2127 | | + |
| 2128 | | + if (conf->upstream.upstream == NULL) { |
| 2129 | | + conf->upstream.upstream = prev->upstream.upstream; |
| 2130 | | + conf->vars = prev->vars; |
| 2131 | | + } |
| 2132 | | + |
| 2133 | | + if (conf->proxy_lengths == NULL) { |
| 2134 | | + conf->proxy_lengths = prev->proxy_lengths; |
| 2135 | | + conf->proxy_values = prev->proxy_values; |
| 2136 | | + } |
| 2137 | | + |
| 2138 | | + if (conf->upstream.upstream || conf->proxy_lengths) { |
| 2139 | | + clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
| 2140 | | + if (clcf->handler == NULL && clcf->lmt_excpt) { |
| 2141 | | + clcf->handler = ngx_http_proxy_handler; |
| 2142 | | + conf->location = prev->location; |
| 2143 | | + } |
| 2144 | | + } |
| 2145 | | + |
| 2146 | | + if (conf->body_source.data == NULL) { |
| 2147 | | + conf->body_source = prev->body_source; |
| 2148 | | + conf->body_set_len = prev->body_set_len; |
| 2149 | | + conf->body_set = prev->body_set; |
| 2150 | | + } |
| 2151 | | + |
| 2152 | | + if (conf->body_source.data && conf->body_set_len == NULL) { |
| 2153 | | + |
| 2154 | | + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 2155 | | + |
| 2156 | | + sc.cf = cf; |
| 2157 | | + sc.source = &conf->body_source; |
| 2158 | | + sc.flushes = &conf->flushes; |
| 2159 | | + sc.lengths = &conf->body_set_len; |
| 2160 | | + sc.values = &conf->body_set; |
| 2161 | | + sc.complete_lengths = 1; |
| 2162 | | + sc.complete_values = 1; |
| 2163 | | + |
| 2164 | | + if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2165 | | + return NGX_CONF_ERROR; |
| 2166 | | + } |
| 2167 | | + |
| 2168 | | + if (conf->headers_source == NULL) { |
| 2169 | | + conf->headers_source = ngx_array_create(cf->pool, 4, |
| 2170 | | + sizeof(ngx_keyval_t)); |
| 2171 | | + if (conf->headers_source == NULL) { |
| 2172 | | + return NGX_CONF_ERROR; |
| 2173 | | + } |
| 2174 | | + } |
| 2175 | | + |
| 2176 | | + s = ngx_array_push(conf->headers_source); |
| 2177 | | + if (s == NULL) { |
| 2178 | | + return NGX_CONF_ERROR; |
| 2179 | | + } |
| 2180 | | + |
| 2181 | | + ngx_str_set(&s->key, "Content-Length"); |
| 2182 | | + ngx_str_set(&s->value, "$proxy_internal_body_length"); |
| 2183 | | + } |
| 2184 | | + |
| 2185 | | + if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) { |
| 2186 | | + return NGX_CONF_ERROR; |
| 2187 | | + } |
| 2188 | | + |
| 2189 | | + return NGX_CONF_OK; |
| 2190 | | +} |
| 2191 | | + |
| 2192 | | + |
| 2193 | | +static ngx_int_t |
| 2194 | | +ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf, |
| 2195 | | + ngx_http_proxy_loc_conf_t *prev) |
| 2196 | | +{ |
| 2197 | | + u_char *p; |
| 2198 | | + size_t size; |
| 2199 | | + uintptr_t *code; |
| 2200 | | + ngx_uint_t i; |
| 2201 | | + ngx_array_t headers_names; |
| 2202 | | + ngx_keyval_t *src, *s, *h; |
| 2203 | | + ngx_hash_key_t *hk; |
| 2204 | | + ngx_hash_init_t hash; |
| 2205 | | + ngx_http_script_compile_t sc; |
| 2206 | | + ngx_http_script_copy_code_t *copy; |
| 2207 | | + |
| 2208 | | + if (conf->headers_source == NULL) { |
| 2209 | | + conf->flushes = prev->flushes; |
| 2210 | | + conf->headers_set_len = prev->headers_set_len; |
| 2211 | | + conf->headers_set = prev->headers_set; |
| 2212 | | + conf->headers_set_hash = prev->headers_set_hash; |
| 2213 | | + conf->headers_source = prev->headers_source; |
| 2214 | | + } |
| 2215 | | + |
| 2216 | | + if (conf->headers_set_hash.buckets |
| 2217 | | +#if (NGX_HTTP_CACHE) |
| 2218 | | + && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL)) |
| 2219 | | +#endif |
| 2220 | | + ) |
| 2221 | | + { |
| 2222 | | + return NGX_OK; |
| 2223 | | + } |
| 2224 | | + |
| 2225 | | + |
| 2226 | | + if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) |
| 2227 | | + != NGX_OK) |
| 2228 | | + { |
| 2229 | | + return NGX_ERROR; |
| 2230 | | + } |
| 2231 | | + |
| 2232 | | + if (conf->headers_source == NULL) { |
| 2233 | | + conf->headers_source = ngx_array_create(cf->pool, 4, |
| 2234 | | + sizeof(ngx_keyval_t)); |
| 2235 | | + if (conf->headers_source == NULL) { |
| 2236 | | + return NGX_ERROR; |
| 2237 | | + } |
| 2238 | | + } |
| 2239 | | + |
| 2240 | | + conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
| 2241 | | + if (conf->headers_set_len == NULL) { |
| 2242 | | + return NGX_ERROR; |
| 2243 | | + } |
| 2244 | | + |
| 2245 | | + conf->headers_set = ngx_array_create(cf->pool, 512, 1); |
| 2246 | | + if (conf->headers_set == NULL) { |
| 2247 | | + return NGX_ERROR; |
| 2248 | | + } |
| 2249 | | + |
| 2250 | | + |
| 2251 | | + src = conf->headers_source->elts; |
| 2252 | | + |
| 2253 | | +#if (NGX_HTTP_CACHE) |
| 2254 | | + |
| 2255 | | + h = conf->upstream.cache ? ngx_http_proxy_cache_headers: |
| 2256 | | + ngx_http_proxy_headers; |
| 2257 | | +#else |
| 2258 | | + |
| 2259 | | + h = ngx_http_proxy_headers; |
| 2260 | | + |
| 2261 | | +#endif |
| 2262 | | + |
| 2263 | | + while (h->key.len) { |
| 2264 | | + |
| 2265 | | + for (i = 0; i < conf->headers_source->nelts; i++) { |
| 2266 | | + if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { |
| 2267 | | + goto next; |
| 2268 | | + } |
| 2269 | | + } |
| 2270 | | + |
| 2271 | | + s = ngx_array_push(conf->headers_source); |
| 2272 | | + if (s == NULL) { |
| 2273 | | + return NGX_ERROR; |
| 2274 | | + } |
| 2275 | | + |
| 2276 | | + *s = *h; |
| 2277 | | + |
| 2278 | | + src = conf->headers_source->elts; |
| 2279 | | + |
| 2280 | | + next: |
| 2281 | | + |
| 2282 | | + h++; |
| 2283 | | + } |
| 2284 | | + |
| 2285 | | + |
| 2286 | | + src = conf->headers_source->elts; |
| 2287 | | + for (i = 0; i < conf->headers_source->nelts; i++) { |
| 2288 | | + |
| 2289 | | + hk = ngx_array_push(&headers_names); |
| 2290 | | + if (hk == NULL) { |
| 2291 | | + return NGX_ERROR; |
| 2292 | | + } |
| 2293 | | + |
| 2294 | | + hk->key = src[i].key; |
| 2295 | | + hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); |
| 2296 | | + hk->value = (void *) 1; |
| 2297 | | + |
| 2298 | | + if (src[i].value.len == 0) { |
| 2299 | | + continue; |
| 2300 | | + } |
| 2301 | | + |
| 2302 | | + if (ngx_http_script_variables_count(&src[i].value) == 0) { |
| 2303 | | + copy = ngx_array_push_n(conf->headers_set_len, |
| 2304 | | + sizeof(ngx_http_script_copy_code_t)); |
| 2305 | | + if (copy == NULL) { |
| 2306 | | + return NGX_ERROR; |
| 2307 | | + } |
| 2308 | | + |
| 2309 | | + copy->code = (ngx_http_script_code_pt) |
| 2310 | | + ngx_http_script_copy_len_code; |
| 2311 | | + copy->len = src[i].key.len + sizeof(": ") - 1 |
| 2312 | | + + src[i].value.len + sizeof(CRLF) - 1; |
| 2313 | | + |
| 2314 | | + |
| 2315 | | + size = (sizeof(ngx_http_script_copy_code_t) |
| 2316 | | + + src[i].key.len + sizeof(": ") - 1 |
| 2317 | | + + src[i].value.len + sizeof(CRLF) - 1 |
| 2318 | | + + sizeof(uintptr_t) - 1) |
| 2319 | | + & ~(sizeof(uintptr_t) - 1); |
| 2320 | | + |
| 2321 | | + copy = ngx_array_push_n(conf->headers_set, size); |
| 2322 | | + if (copy == NULL) { |
| 2323 | | + return NGX_ERROR; |
| 2324 | | + } |
| 2325 | | + |
| 2326 | | + copy->code = ngx_http_script_copy_code; |
| 2327 | | + copy->len = src[i].key.len + sizeof(": ") - 1 |
| 2328 | | + + src[i].value.len + sizeof(CRLF) - 1; |
| 2329 | | + |
| 2330 | | + p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); |
| 2331 | | + |
| 2332 | | + p = ngx_cpymem(p, src[i].key.data, src[i].key.len); |
| 2333 | | + *p++ = ':'; *p++ = ' '; |
| 2334 | | + p = ngx_cpymem(p, src[i].value.data, src[i].value.len); |
| 2335 | | + *p++ = CR; *p = LF; |
| 2336 | | + |
| 2337 | | + } else { |
| 2338 | | + copy = ngx_array_push_n(conf->headers_set_len, |
| 2339 | | + sizeof(ngx_http_script_copy_code_t)); |
| 2340 | | + if (copy == NULL) { |
| 2341 | | + return NGX_ERROR; |
| 2342 | | + } |
| 2343 | | + |
| 2344 | | + copy->code = (ngx_http_script_code_pt) |
| 2345 | | + ngx_http_script_copy_len_code; |
| 2346 | | + copy->len = src[i].key.len + sizeof(": ") - 1; |
| 2347 | | + |
| 2348 | | + |
| 2349 | | + size = (sizeof(ngx_http_script_copy_code_t) |
| 2350 | | + + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) |
| 2351 | | + & ~(sizeof(uintptr_t) - 1); |
| 2352 | | + |
| 2353 | | + copy = ngx_array_push_n(conf->headers_set, size); |
| 2354 | | + if (copy == NULL) { |
| 2355 | | + return NGX_ERROR; |
| 2356 | | + } |
| 2357 | | + |
| 2358 | | + copy->code = ngx_http_script_copy_code; |
| 2359 | | + copy->len = src[i].key.len + sizeof(": ") - 1; |
| 2360 | | + |
| 2361 | | + p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); |
| 2362 | | + p = ngx_cpymem(p, src[i].key.data, src[i].key.len); |
| 2363 | | + *p++ = ':'; *p = ' '; |
| 2364 | | + |
| 2365 | | + |
| 2366 | | + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 2367 | | + |
| 2368 | | + sc.cf = cf; |
| 2369 | | + sc.source = &src[i].value; |
| 2370 | | + sc.flushes = &conf->flushes; |
| 2371 | | + sc.lengths = &conf->headers_set_len; |
| 2372 | | + sc.values = &conf->headers_set; |
| 2373 | | + |
| 2374 | | + if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2375 | | + return NGX_ERROR; |
| 2376 | | + } |
| 2377 | | + |
| 2378 | | + |
| 2379 | | + copy = ngx_array_push_n(conf->headers_set_len, |
| 2380 | | + sizeof(ngx_http_script_copy_code_t)); |
| 2381 | | + if (copy == NULL) { |
| 2382 | | + return NGX_ERROR; |
| 2383 | | + } |
| 2384 | | + |
| 2385 | | + copy->code = (ngx_http_script_code_pt) |
| 2386 | | + ngx_http_script_copy_len_code; |
| 2387 | | + copy->len = sizeof(CRLF) - 1; |
| 2388 | | + |
| 2389 | | + |
| 2390 | | + size = (sizeof(ngx_http_script_copy_code_t) |
| 2391 | | + + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) |
| 2392 | | + & ~(sizeof(uintptr_t) - 1); |
| 2393 | | + |
| 2394 | | + copy = ngx_array_push_n(conf->headers_set, size); |
| 2395 | | + if (copy == NULL) { |
| 2396 | | + return NGX_ERROR; |
| 2397 | | + } |
| 2398 | | + |
| 2399 | | + copy->code = ngx_http_script_copy_code; |
| 2400 | | + copy->len = sizeof(CRLF) - 1; |
| 2401 | | + |
| 2402 | | + p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); |
| 2403 | | + *p++ = CR; *p = LF; |
| 2404 | | + } |
| 2405 | | + |
| 2406 | | + code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2407 | | + if (code == NULL) { |
| 2408 | | + return NGX_ERROR; |
| 2409 | | + } |
| 2410 | | + |
| 2411 | | + *code = (uintptr_t) NULL; |
| 2412 | | + |
| 2413 | | + code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); |
| 2414 | | + if (code == NULL) { |
| 2415 | | + return NGX_ERROR; |
| 2416 | | + } |
| 2417 | | + |
| 2418 | | + *code = (uintptr_t) NULL; |
| 2419 | | + } |
| 2420 | | + |
| 2421 | | + code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2422 | | + if (code == NULL) { |
| 2423 | | + return NGX_ERROR; |
| 2424 | | + } |
| 2425 | | + |
| 2426 | | + *code = (uintptr_t) NULL; |
| 2427 | | + |
| 2428 | | + |
| 2429 | | + hash.hash = &conf->headers_set_hash; |
| 2430 | | + hash.key = ngx_hash_key_lc; |
| 2431 | | + hash.max_size = conf->headers_hash_max_size; |
| 2432 | | + hash.bucket_size = conf->headers_hash_bucket_size; |
| 2433 | | + hash.name = "proxy_headers_hash"; |
| 2434 | | + hash.pool = cf->pool; |
| 2435 | | + hash.temp_pool = NULL; |
| 2436 | | + |
| 2437 | | + return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); |
| 2438 | | +} |
| 2439 | | + |
| 2440 | | + |
| 2441 | | +static char * |
| 2442 | | +ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 2443 | | +{ |
| 2444 | | + ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2445 | | + |
| 2446 | | + size_t add; |
| 2447 | | + u_short port; |
| 2448 | | + ngx_str_t *value, *url; |
| 2449 | | + ngx_url_t u; |
| 2450 | | + ngx_uint_t n; |
| 2451 | | + ngx_http_core_loc_conf_t *clcf; |
| 2452 | | + ngx_http_script_compile_t sc; |
| 2453 | | + |
| 2454 | | + if (plcf->upstream.upstream || plcf->proxy_lengths) { |
| 2455 | | + return "is duplicate"; |
| 2456 | | + } |
| 2457 | | + |
| 2458 | | + clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
| 2459 | | + |
| 2460 | | + clcf->handler = ngx_http_proxy_handler; |
| 2461 | | + |
| 2462 | | + if (clcf->name.data[clcf->name.len - 1] == '/') { |
| 2463 | | + clcf->auto_redirect = 1; |
| 2464 | | + } |
| 2465 | | + |
| 2466 | | + value = cf->args->elts; |
| 2467 | | + |
| 2468 | | + url = &value[1]; |
| 2469 | | + |
| 2470 | | + n = ngx_http_script_variables_count(url); |
| 2471 | | + |
| 2472 | | + if (n) { |
| 2473 | | + |
| 2474 | | + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 2475 | | + |
| 2476 | | + sc.cf = cf; |
| 2477 | | + sc.source = url; |
| 2478 | | + sc.lengths = &plcf->proxy_lengths; |
| 2479 | | + sc.values = &plcf->proxy_values; |
| 2480 | | + sc.variables = n; |
| 2481 | | + sc.complete_lengths = 1; |
| 2482 | | + sc.complete_values = 1; |
| 2483 | | + |
| 2484 | | + if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2485 | | + return NGX_CONF_ERROR; |
| 2486 | | + } |
| 2487 | | + |
| 2488 | | +#if (NGX_HTTP_SSL) |
| 2489 | | + if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { |
| 2490 | | + return NGX_CONF_ERROR; |
| 2491 | | + } |
| 2492 | | +#endif |
| 2493 | | + |
| 2494 | | + return NGX_CONF_OK; |
| 2495 | | + } |
| 2496 | | + |
| 2497 | | + if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
| 2498 | | + add = 7; |
| 2499 | | + port = 80; |
| 2500 | | + |
| 2501 | | + } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
| 2502 | | + |
| 2503 | | +#if (NGX_HTTP_SSL) |
| 2504 | | + if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { |
| 2505 | | + return NGX_CONF_ERROR; |
| 2506 | | + } |
| 2507 | | + |
| 2508 | | + add = 8; |
| 2509 | | + port = 443; |
| 2510 | | +#else |
| 2511 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2512 | | + "https protocol requires SSL support"); |
| 2513 | | + return NGX_CONF_ERROR; |
| 2514 | | +#endif |
| 2515 | | + |
| 2516 | | + } else { |
| 2517 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
| 2518 | | + return NGX_CONF_ERROR; |
| 2519 | | + } |
| 2520 | | + |
| 2521 | | + ngx_memzero(&u, sizeof(ngx_url_t)); |
| 2522 | | + |
| 2523 | | + u.url.len = url->len - add; |
| 2524 | | + u.url.data = url->data + add; |
| 2525 | | + u.default_port = port; |
| 2526 | | + u.uri_part = 1; |
| 2527 | | + u.no_resolve = 1; |
| 2528 | | + |
| 2529 | | + plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); |
| 2530 | | + if (plcf->upstream.upstream == NULL) { |
| 2531 | | + return NGX_CONF_ERROR; |
| 2532 | | + } |
| 2533 | | + |
| 2534 | | + plcf->vars.schema.len = add; |
| 2535 | | + plcf->vars.schema.data = url->data; |
| 2536 | | + plcf->vars.key_start = plcf->vars.schema; |
| 2537 | | + |
| 2538 | | + ngx_http_proxy_set_vars(&u, &plcf->vars); |
| 2539 | | + |
| 2540 | | + plcf->location = clcf->name; |
| 2541 | | + |
| 2542 | | + if (clcf->named |
| 2543 | | +#if (NGX_PCRE) |
| 2544 | | + || clcf->regex |
| 2545 | | +#endif |
| 2546 | | + || clcf->noname) |
| 2547 | | + { |
| 2548 | | + if (plcf->vars.uri.len) { |
| 2549 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2550 | | + "\"proxy_pass\" may not have URI part in " |
| 2551 | | + "location given by regular expression, " |
| 2552 | | + "or inside named location, " |
| 2553 | | + "or inside the \"if\" statement, " |
| 2554 | | + "or inside the \"limit_except\" block"); |
| 2555 | | + return NGX_CONF_ERROR; |
| 2556 | | + } |
| 2557 | | + |
| 2558 | | + plcf->location.len = 0; |
| 2559 | | + } |
| 2560 | | + |
| 2561 | | + plcf->url = *url; |
| 2562 | | + |
| 2563 | | + return NGX_CONF_OK; |
| 2564 | | +} |
| 2565 | | + |
| 2566 | | + |
| 2567 | | +static char * |
| 2568 | | +ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 2569 | | +{ |
| 2570 | | + ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2571 | | + |
| 2572 | | + ngx_str_t *value; |
| 2573 | | + ngx_array_t *vars_lengths, *vars_values; |
| 2574 | | + ngx_http_script_compile_t sc; |
| 2575 | | + ngx_http_proxy_redirect_t *pr; |
| 2576 | | + |
| 2577 | | + if (plcf->redirect == 0) { |
| 2578 | | + return NGX_CONF_OK; |
| 2579 | | + } |
| 2580 | | + |
| 2581 | | + value = cf->args->elts; |
| 2582 | | + |
| 2583 | | + if (cf->args->nelts == 2) { |
| 2584 | | + if (ngx_strcmp(value[1].data, "off") == 0) { |
| 2585 | | + plcf->redirect = 0; |
| 2586 | | + plcf->redirects = NULL; |
| 2587 | | + return NGX_CONF_OK; |
| 2588 | | + } |
| 2589 | | + |
| 2590 | | + if (ngx_strcmp(value[1].data, "false") == 0) { |
| 2591 | | + ngx_conf_log_error(NGX_LOG_ERR, cf, 0, |
| 2592 | | + "invalid parameter \"false\", use \"off\" instead"); |
| 2593 | | + plcf->redirect = 0; |
| 2594 | | + plcf->redirects = NULL; |
| 2595 | | + return NGX_CONF_OK; |
| 2596 | | + } |
| 2597 | | + |
| 2598 | | + if (ngx_strcmp(value[1].data, "default") != 0) { |
| 2599 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2600 | | + "invalid parameter \"%V\"", &value[1]); |
| 2601 | | + return NGX_CONF_ERROR; |
| 2602 | | + } |
| 2603 | | + } |
| 2604 | | + |
| 2605 | | + if (plcf->redirects == NULL) { |
| 2606 | | + plcf->redirects = ngx_array_create(cf->pool, 1, |
| 2607 | | + sizeof(ngx_http_proxy_redirect_t)); |
| 2608 | | + if (plcf->redirects == NULL) { |
| 2609 | | + return NGX_CONF_ERROR; |
| 2610 | | + } |
| 2611 | | + } |
| 2612 | | + |
| 2613 | | + pr = ngx_array_push(plcf->redirects); |
| 2614 | | + if (pr == NULL) { |
| 2615 | | + return NGX_CONF_ERROR; |
| 2616 | | + } |
| 2617 | | + |
| 2618 | | + if (ngx_strcmp(value[1].data, "default") == 0) { |
| 2619 | | + if (plcf->proxy_lengths) { |
| 2620 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2621 | | + "\"proxy_redirect default\" may not be used " |
| 2622 | | + "with \"proxy_pass\" directive with variables"); |
| 2623 | | + return NGX_CONF_ERROR; |
| 2624 | | + } |
| 2625 | | + |
| 2626 | | + if (plcf->url.data == NULL) { |
| 2627 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2628 | | + "\"proxy_redirect default\" must go " |
| 2629 | | + "after the \"proxy_pass\" directive"); |
| 2630 | | + return NGX_CONF_ERROR; |
| 2631 | | + } |
| 2632 | | + |
| 2633 | | + pr->handler = ngx_http_proxy_rewrite_redirect_text; |
| 2634 | | + pr->redirect = plcf->url; |
| 2635 | | + |
| 2636 | | + if (plcf->vars.uri.len) { |
| 2637 | | + pr->replacement.text = plcf->location; |
| 2638 | | + |
| 2639 | | + } else { |
| 2640 | | + ngx_str_null(&pr->replacement.text); |
| 2641 | | + } |
| 2642 | | + |
| 2643 | | + return NGX_CONF_OK; |
| 2644 | | + } |
| 2645 | | + |
| 2646 | | + if (ngx_http_script_variables_count(&value[2]) == 0) { |
| 2647 | | + pr->handler = ngx_http_proxy_rewrite_redirect_text; |
| 2648 | | + pr->redirect = value[1]; |
| 2649 | | + pr->replacement.text = value[2]; |
| 2650 | | + |
| 2651 | | + return NGX_CONF_OK; |
| 2652 | | + } |
| 2653 | | + |
| 2654 | | + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 2655 | | + |
| 2656 | | + vars_lengths = NULL; |
| 2657 | | + vars_values = NULL; |
| 2658 | | + |
| 2659 | | + sc.cf = cf; |
| 2660 | | + sc.source = &value[2]; |
| 2661 | | + sc.lengths = &vars_lengths; |
| 2662 | | + sc.values = &vars_values; |
| 2663 | | + sc.complete_lengths = 1; |
| 2664 | | + sc.complete_values = 1; |
| 2665 | | + |
| 2666 | | + if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2667 | | + return NGX_CONF_ERROR; |
| 2668 | | + } |
| 2669 | | + |
| 2670 | | + pr->handler = ngx_http_proxy_rewrite_redirect_vars; |
| 2671 | | + pr->redirect = value[1]; |
| 2672 | | + pr->replacement.vars.lengths = vars_lengths->elts; |
| 2673 | | + pr->replacement.vars.values = vars_values->elts; |
| 2674 | | + |
| 2675 | | + return NGX_CONF_OK; |
| 2676 | | +} |
| 2677 | | + |
| 2678 | | + |
| 2679 | | +static char * |
| 2680 | | +ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 2681 | | +{ |
| 2682 | | + ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2683 | | + |
| 2684 | | + ngx_str_t *value; |
| 2685 | | + ngx_http_script_compile_t sc; |
| 2686 | | + |
| 2687 | | + if (plcf->upstream.store != NGX_CONF_UNSET |
| 2688 | | + || plcf->upstream.store_lengths) |
| 2689 | | + { |
| 2690 | | + return "is duplicate"; |
| 2691 | | + } |
| 2692 | | + |
| 2693 | | + value = cf->args->elts; |
| 2694 | | + |
| 2695 | | + if (ngx_strcmp(value[1].data, "off") == 0) { |
| 2696 | | + plcf->upstream.store = 0; |
| 2697 | | + return NGX_CONF_OK; |
| 2698 | | + } |
| 2699 | | + |
| 2700 | | +#if (NGX_HTTP_CACHE) |
| 2701 | | + |
| 2702 | | + if (plcf->upstream.cache != NGX_CONF_UNSET_PTR |
| 2703 | | + && plcf->upstream.cache != NULL) |
| 2704 | | + { |
| 2705 | | + return "is incompatible with \"proxy_cache\""; |
| 2706 | | + } |
| 2707 | | + |
| 2708 | | +#endif |
| 2709 | | + |
| 2710 | | + if (ngx_strcmp(value[1].data, "on") == 0) { |
| 2711 | | + plcf->upstream.store = 1; |
| 2712 | | + return NGX_CONF_OK; |
| 2713 | | + } |
| 2714 | | + |
| 2715 | | + /* include the terminating '\0' into script */ |
| 2716 | | + value[1].len++; |
| 2717 | | + |
| 2718 | | + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
| 2719 | | + |
| 2720 | | + sc.cf = cf; |
| 2721 | | + sc.source = &value[1]; |
| 2722 | | + sc.lengths = &plcf->upstream.store_lengths; |
| 2723 | | + sc.values = &plcf->upstream.store_values; |
| 2724 | | + sc.variables = ngx_http_script_variables_count(&value[1]); |
| 2725 | | + sc.complete_lengths = 1; |
| 2726 | | + sc.complete_values = 1; |
| 2727 | | + |
| 2728 | | + if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2729 | | + return NGX_CONF_ERROR; |
| 2730 | | + } |
| 2731 | | + |
| 2732 | | + return NGX_CONF_OK; |
| 2733 | | +} |
| 2734 | | + |
| 2735 | | + |
| 2736 | | +#if (NGX_HTTP_CACHE) |
| 2737 | | + |
| 2738 | | +static char * |
| 2739 | | +ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 2740 | | +{ |
| 2741 | | + ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2742 | | + |
| 2743 | | + ngx_str_t *value; |
| 2744 | | + |
| 2745 | | + value = cf->args->elts; |
| 2746 | | + |
| 2747 | | + if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) { |
| 2748 | | + return "is duplicate"; |
| 2749 | | + } |
| 2750 | | + |
| 2751 | | + if (ngx_strcmp(value[1].data, "off") == 0) { |
| 2752 | | + plcf->upstream.cache = NULL; |
| 2753 | | + return NGX_CONF_OK; |
| 2754 | | + } |
| 2755 | | + |
| 2756 | | + if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) { |
| 2757 | | + return "is incompatible with \"proxy_store\""; |
| 2758 | | + } |
| 2759 | | + |
| 2760 | | + plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, |
| 2761 | | + &ngx_http_proxy_module); |
| 2762 | | + if (plcf->upstream.cache == NULL) { |
| 2763 | | + return NGX_CONF_ERROR; |
| 2764 | | + } |
| 2765 | | + |
| 2766 | | + return NGX_CONF_OK; |
| 2767 | | +} |
| 2768 | | + |
| 2769 | | + |
| 2770 | | +static char * |
| 2771 | | +ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 2772 | | +{ |
| 2773 | | + ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2774 | | + |
| 2775 | | + ngx_str_t *value; |
| 2776 | | + ngx_http_compile_complex_value_t ccv; |
| 2777 | | + |
| 2778 | | + value = cf->args->elts; |
| 2779 | | + |
| 2780 | | + if (plcf->cache_key.value.len) { |
| 2781 | | + return "is duplicate"; |
| 2782 | | + } |
| 2783 | | + |
| 2784 | | + ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
| 2785 | | + |
| 2786 | | + ccv.cf = cf; |
| 2787 | | + ccv.value = &value[1]; |
| 2788 | | + ccv.complex_value = &plcf->cache_key; |
| 2789 | | + |
| 2790 | | + if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
| 2791 | | + return NGX_CONF_ERROR; |
| 2792 | | + } |
| 2793 | | + |
| 2794 | | + return NGX_CONF_OK; |
| 2795 | | +} |
| 2796 | | + |
| 2797 | | +#endif |
| 2798 | | + |
| 2799 | | + |
| 2800 | | +static char * |
| 2801 | | +ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) |
| 2802 | | +{ |
| 2803 | | +#if (NGX_FREEBSD) |
| 2804 | | + ssize_t *np = data; |
| 2805 | | + |
| 2806 | | + if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
| 2807 | | + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2808 | | + "\"proxy_send_lowat\" must be less than %d " |
| 2809 | | + "(sysctl net.inet.tcp.sendspace)", |
| 2810 | | + ngx_freebsd_net_inet_tcp_sendspace); |
| 2811 | | + |
| 2812 | | + return NGX_CONF_ERROR; |
| 2813 | | + } |
| 2814 | | + |
| 2815 | | +#elif !(NGX_HAVE_SO_SNDLOWAT) |
| 2816 | | + ssize_t *np = data; |
| 2817 | | + |
| 2818 | | + ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| 2819 | | + "\"proxy_send_lowat\" is not supported, ignored"); |
| 2820 | | + |
| 2821 | | + *np = 0; |
| 2822 | | + |
| 2823 | | +#endif |
| 2824 | | + |
| 2825 | | + return NGX_CONF_OK; |
| 2826 | | +} |
| 2827 | | + |
| 2828 | | + |
| 2829 | | +#if (NGX_HTTP_SSL) |
| 2830 | | + |
| 2831 | | +static ngx_int_t |
| 2832 | | +ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf) |
| 2833 | | +{ |
| 2834 | | + ngx_pool_cleanup_t *cln; |
| 2835 | | + |
| 2836 | | + plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); |
| 2837 | | + if (plcf->upstream.ssl == NULL) { |
| 2838 | | + return NGX_ERROR; |
| 2839 | | + } |
| 2840 | | + |
| 2841 | | + plcf->upstream.ssl->log = cf->log; |
| 2842 | | + |
| 2843 | | + if (ngx_ssl_create(plcf->upstream.ssl, |
| 2844 | | + NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) |
| 2845 | | + != NGX_OK) |
| 2846 | | + { |
| 2847 | | + return NGX_ERROR; |
| 2848 | | + } |
| 2849 | | + |
| 2850 | | + cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 2851 | | + if (cln == NULL) { |
| 2852 | | + return NGX_ERROR; |
| 2853 | | + } |
| 2854 | | + |
| 2855 | | + cln->handler = ngx_ssl_cleanup_ctx; |
| 2856 | | + cln->data = plcf->upstream.ssl; |
| 2857 | | + |
| 2858 | | + return NGX_OK; |
| 2859 | | +} |
| 2860 | | + |
| 2861 | | +#endif |
| 2862 | | + |
| 2863 | | + |
| 2864 | | +static void |
| 2865 | | +ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v) |
| 2866 | | +{ |
| 2867 | | + if (u->family != AF_UNIX) { |
| 2868 | | + |
| 2869 | | + if (u->no_port || u->port == u->default_port) { |
| 2870 | | + |
| 2871 | | + v->host_header = u->host; |
| 2872 | | + |
| 2873 | | + if (u->default_port == 80) { |
| 2874 | | + ngx_str_set(&v->port, "80"); |
| 2875 | | + |
| 2876 | | + } else { |
| 2877 | | + ngx_str_set(&v->port, "443"); |
| 2878 | | + } |
| 2879 | | + |
| 2880 | | + } else { |
| 2881 | | + v->host_header.len = u->host.len + 1 + u->port_text.len; |
| 2882 | | + v->host_header.data = u->host.data; |
| 2883 | | + v->port = u->port_text; |
| 2884 | | + } |
| 2885 | | + |
| 2886 | | + v->key_start.len += v->host_header.len; |
| 2887 | | + |
| 2888 | | + } else { |
| 2889 | | + ngx_str_set(&v->host_header, "localhost"); |
| 2890 | | + ngx_str_null(&v->port); |
| 2891 | | + v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1; |
| 2892 | | + } |
| 2893 | | + |
| 2894 | | + v->uri = u->uri; |
| 2895 | | +} |
| 2896 | | diff -uNr ../nginx-0.8.55/src/http/ngx_http_upstream.h src/http/ngx_http_upstream.h |
| 2897 | | --- ../nginx-0.8.55/src/http/ngx_http_upstream.h 2010-07-19 02:36:04.000000000 -0700 |
| 2898 | | +++ src/http/ngx_http_upstream.h 2011-09-13 15:27:08.000000000 -0700 |
| 2899 | | @@ -177,6 +177,9 @@ |
| 2900 | | #if (NGX_HTTP_SSL) |
| 2901 | | ngx_ssl_t *ssl; |
| 2902 | | ngx_flag_t ssl_session_reuse; |
| 2903 | | + ngx_uint_t ssl_verify; |
| 2904 | | + ngx_uint_t ssl_verify_depth; |
| 2905 | | + ngx_str_t ssl_ca_certificate; |
| 2906 | | #endif |
| 2907 | | |
| 2908 | | } ngx_http_upstream_conf_t; |
| 2909 | | diff -uNr ../nginx-0.8.55/src/http/ngx_http_upstream.h.orig src/http/ngx_http_upstream.h.orig |
| 2910 | | --- ../nginx-0.8.55/src/http/ngx_http_upstream.h.orig 1969-12-31 16:00:00.000000000 -0800 |
| 2911 | | +++ src/http/ngx_http_upstream.h.orig 2010-07-19 02:36:04.000000000 -0700 |
| 2912 | | @@ -0,0 +1,345 @@ |
| 2913 | | + |
| 2914 | | +/* |
| 2915 | | + * Copyright (C) Igor Sysoev |
| 2916 | | + */ |
| 2917 | | + |
| 2918 | | + |
| 2919 | | +#ifndef _NGX_HTTP_UPSTREAM_H_INCLUDED_ |
| 2920 | | +#define _NGX_HTTP_UPSTREAM_H_INCLUDED_ |
| 2921 | | + |
| 2922 | | + |
| 2923 | | +#include <ngx_config.h> |
| 2924 | | +#include <ngx_core.h> |
| 2925 | | +#include <ngx_event.h> |
| 2926 | | +#include <ngx_event_connect.h> |
| 2927 | | +#include <ngx_event_pipe.h> |
| 2928 | | +#include <ngx_http.h> |
| 2929 | | + |
| 2930 | | + |
| 2931 | | +#define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002 |
| 2932 | | +#define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004 |
| 2933 | | +#define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008 |
| 2934 | | +#define NGX_HTTP_UPSTREAM_FT_HTTP_500 0x00000010 |
| 2935 | | +#define NGX_HTTP_UPSTREAM_FT_HTTP_502 0x00000020 |
| 2936 | | +#define NGX_HTTP_UPSTREAM_FT_HTTP_503 0x00000040 |
| 2937 | | +#define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080 |
| 2938 | | +#define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000100 |
| 2939 | | +#define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000200 |
| 2940 | | +#define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00000400 |
| 2941 | | +#define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00000800 |
| 2942 | | +#define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000 |
| 2943 | | +#define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000 |
| 2944 | | + |
| 2945 | | +#define NGX_HTTP_UPSTREAM_FT_STATUS (NGX_HTTP_UPSTREAM_FT_HTTP_500 \ |
| 2946 | | + |NGX_HTTP_UPSTREAM_FT_HTTP_502 \ |
| 2947 | | + |NGX_HTTP_UPSTREAM_FT_HTTP_503 \ |
| 2948 | | + |NGX_HTTP_UPSTREAM_FT_HTTP_504 \ |
| 2949 | | + |NGX_HTTP_UPSTREAM_FT_HTTP_404) |
| 2950 | | + |
| 2951 | | +#define NGX_HTTP_UPSTREAM_INVALID_HEADER 40 |
| 2952 | | + |
| 2953 | | + |
| 2954 | | +#define NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 0x00000002 |
| 2955 | | +#define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004 |
| 2956 | | +#define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008 |
| 2957 | | +#define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010 |
| 2958 | | +#define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020 |
| 2959 | | + |
| 2960 | | + |
| 2961 | | +typedef struct { |
| 2962 | | + ngx_msec_t bl_time; |
| 2963 | | + ngx_uint_t bl_state; |
| 2964 | | + |
| 2965 | | + ngx_uint_t status; |
| 2966 | | + time_t response_sec; |
| 2967 | | + ngx_uint_t response_msec; |
| 2968 | | + off_t response_length; |
| 2969 | | + |
| 2970 | | + ngx_str_t *peer; |
| 2971 | | +} ngx_http_upstream_state_t; |
| 2972 | | + |
| 2973 | | + |
| 2974 | | +typedef struct { |
| 2975 | | + ngx_hash_t headers_in_hash; |
| 2976 | | + ngx_array_t upstreams; |
| 2977 | | + /* ngx_http_upstream_srv_conf_t */ |
| 2978 | | +} ngx_http_upstream_main_conf_t; |
| 2979 | | + |
| 2980 | | +typedef struct ngx_http_upstream_srv_conf_s ngx_http_upstream_srv_conf_t; |
| 2981 | | + |
| 2982 | | +typedef ngx_int_t (*ngx_http_upstream_init_pt)(ngx_conf_t *cf, |
| 2983 | | + ngx_http_upstream_srv_conf_t *us); |
| 2984 | | +typedef ngx_int_t (*ngx_http_upstream_init_peer_pt)(ngx_http_request_t *r, |
| 2985 | | + ngx_http_upstream_srv_conf_t *us); |
| 2986 | | + |
| 2987 | | + |
| 2988 | | +typedef struct { |
| 2989 | | + ngx_http_upstream_init_pt init_upstream; |
| 2990 | | + ngx_http_upstream_init_peer_pt init; |
| 2991 | | + void *data; |
| 2992 | | +} ngx_http_upstream_peer_t; |
| 2993 | | + |
| 2994 | | + |
| 2995 | | +typedef struct { |
| 2996 | | + ngx_addr_t *addrs; |
| 2997 | | + ngx_uint_t naddrs; |
| 2998 | | + ngx_uint_t weight; |
| 2999 | | + ngx_uint_t max_fails; |
| 3000 | | + time_t fail_timeout; |
| 3001 | | + |
| 3002 | | + unsigned down:1; |
| 3003 | | + unsigned backup:1; |
| 3004 | | +} ngx_http_upstream_server_t; |
| 3005 | | + |
| 3006 | | + |
| 3007 | | +#define NGX_HTTP_UPSTREAM_CREATE 0x0001 |
| 3008 | | +#define NGX_HTTP_UPSTREAM_WEIGHT 0x0002 |
| 3009 | | +#define NGX_HTTP_UPSTREAM_MAX_FAILS 0x0004 |
| 3010 | | +#define NGX_HTTP_UPSTREAM_FAIL_TIMEOUT 0x0008 |
| 3011 | | +#define NGX_HTTP_UPSTREAM_DOWN 0x0010 |
| 3012 | | +#define NGX_HTTP_UPSTREAM_BACKUP 0x0020 |
| 3013 | | + |
| 3014 | | + |
| 3015 | | +struct ngx_http_upstream_srv_conf_s { |
| 3016 | | + ngx_http_upstream_peer_t peer; |
| 3017 | | + void **srv_conf; |
| 3018 | | + |
| 3019 | | + ngx_array_t *servers; /* ngx_http_upstream_server_t */ |
| 3020 | | + |
| 3021 | | + ngx_uint_t flags; |
| 3022 | | + ngx_str_t host; |
| 3023 | | + u_char *file_name; |
| 3024 | | + ngx_uint_t line; |
| 3025 | | + in_port_t port; |
| 3026 | | + in_port_t default_port; |
| 3027 | | +}; |
| 3028 | | + |
| 3029 | | + |
| 3030 | | +typedef struct { |
| 3031 | | + ngx_http_upstream_srv_conf_t *upstream; |
| 3032 | | + |
| 3033 | | + ngx_msec_t connect_timeout; |
| 3034 | | + ngx_msec_t send_timeout; |
| 3035 | | + ngx_msec_t read_timeout; |
| 3036 | | + ngx_msec_t timeout; |
| 3037 | | + |
| 3038 | | + size_t send_lowat; |
| 3039 | | + size_t buffer_size; |
| 3040 | | + |
| 3041 | | + size_t busy_buffers_size; |
| 3042 | | + size_t max_temp_file_size; |
| 3043 | | + size_t temp_file_write_size; |
| 3044 | | + |
| 3045 | | + size_t busy_buffers_size_conf; |
| 3046 | | + size_t max_temp_file_size_conf; |
| 3047 | | + size_t temp_file_write_size_conf; |
| 3048 | | + |
| 3049 | | + ngx_bufs_t bufs; |
| 3050 | | + |
| 3051 | | + ngx_uint_t ignore_headers; |
| 3052 | | + ngx_uint_t next_upstream; |
| 3053 | | + ngx_uint_t store_access; |
| 3054 | | + ngx_flag_t buffering; |
| 3055 | | + ngx_flag_t pass_request_headers; |
| 3056 | | + ngx_flag_t pass_request_body; |
| 3057 | | + |
| 3058 | | + ngx_flag_t ignore_client_abort; |
| 3059 | | + ngx_flag_t intercept_errors; |
| 3060 | | + ngx_flag_t cyclic_temp_file; |
| 3061 | | + |
| 3062 | | + ngx_path_t *temp_path; |
| 3063 | | + |
| 3064 | | + ngx_hash_t hide_headers_hash; |
| 3065 | | + ngx_array_t *hide_headers; |
| 3066 | | + ngx_array_t *pass_headers; |
| 3067 | | + |
| 3068 | | + ngx_addr_t *local; |
| 3069 | | + |
| 3070 | | +#if (NGX_HTTP_CACHE) |
| 3071 | | + ngx_shm_zone_t *cache; |
| 3072 | | + |
| 3073 | | + ngx_uint_t cache_min_uses; |
| 3074 | | + ngx_uint_t cache_use_stale; |
| 3075 | | + ngx_uint_t cache_methods; |
| 3076 | | + |
| 3077 | | + ngx_array_t *cache_valid; |
| 3078 | | + ngx_array_t *cache_bypass; |
| 3079 | | + ngx_array_t *no_cache; |
| 3080 | | +#endif |
| 3081 | | + |
| 3082 | | + ngx_array_t *store_lengths; |
| 3083 | | + ngx_array_t *store_values; |
| 3084 | | + |
| 3085 | | + signed store:2; |
| 3086 | | + unsigned intercept_404:1; |
| 3087 | | + unsigned change_buffering:1; |
| 3088 | | + |
| 3089 | | +#if (NGX_HTTP_SSL) |
| 3090 | | + ngx_ssl_t *ssl; |
| 3091 | | + ngx_flag_t ssl_session_reuse; |
| 3092 | | +#endif |
| 3093 | | + |
| 3094 | | +} ngx_http_upstream_conf_t; |
| 3095 | | + |
| 3096 | | + |
| 3097 | | +typedef struct { |
| 3098 | | + ngx_str_t name; |
| 3099 | | + ngx_http_header_handler_pt handler; |
| 3100 | | + ngx_uint_t offset; |
| 3101 | | + ngx_http_header_handler_pt copy_handler; |
| 3102 | | + ngx_uint_t conf; |
| 3103 | | + ngx_uint_t redirect; /* unsigned redirect:1; */ |
| 3104 | | +} ngx_http_upstream_header_t; |
| 3105 | | + |
| 3106 | | + |
| 3107 | | +typedef struct { |
| 3108 | | + ngx_list_t headers; |
| 3109 | | + |
| 3110 | | + ngx_uint_t status_n; |
| 3111 | | + ngx_str_t status_line; |
| 3112 | | + |
| 3113 | | + ngx_table_elt_t *status; |
| 3114 | | + ngx_table_elt_t *date; |
| 3115 | | + ngx_table_elt_t *server; |
| 3116 | | + ngx_table_elt_t *connection; |
| 3117 | | + |
| 3118 | | + ngx_table_elt_t *expires; |
| 3119 | | + ngx_table_elt_t *etag; |
| 3120 | | + ngx_table_elt_t *x_accel_expires; |
| 3121 | | + ngx_table_elt_t *x_accel_redirect; |
| 3122 | | + ngx_table_elt_t *x_accel_limit_rate; |
| 3123 | | + |
| 3124 | | + ngx_table_elt_t *content_type; |
| 3125 | | + ngx_table_elt_t *content_length; |
| 3126 | | + |
| 3127 | | + ngx_table_elt_t *last_modified; |
| 3128 | | + ngx_table_elt_t *location; |
| 3129 | | + ngx_table_elt_t *accept_ranges; |
| 3130 | | + ngx_table_elt_t *www_authenticate; |
| 3131 | | + |
| 3132 | | +#if (NGX_HTTP_GZIP) |
| 3133 | | + ngx_table_elt_t *content_encoding; |
| 3134 | | +#endif |
| 3135 | | + |
| 3136 | | + off_t content_length_n; |
| 3137 | | + |
| 3138 | | + ngx_array_t cache_control; |
| 3139 | | +} ngx_http_upstream_headers_in_t; |
| 3140 | | + |
| 3141 | | + |
| 3142 | | +typedef struct { |
| 3143 | | + ngx_str_t host; |
| 3144 | | + in_port_t port; |
| 3145 | | + ngx_uint_t no_port; /* unsigned no_port:1 */ |
| 3146 | | + |
| 3147 | | + ngx_uint_t naddrs; |
| 3148 | | + in_addr_t *addrs; |
| 3149 | | + |
| 3150 | | + struct sockaddr *sockaddr; |
| 3151 | | + socklen_t socklen; |
| 3152 | | + |
| 3153 | | + ngx_resolver_ctx_t *ctx; |
| 3154 | | +} ngx_http_upstream_resolved_t; |
| 3155 | | + |
| 3156 | | + |
| 3157 | | +typedef void (*ngx_http_upstream_handler_pt)(ngx_http_request_t *r, |
| 3158 | | + ngx_http_upstream_t *u); |
| 3159 | | + |
| 3160 | | + |
| 3161 | | +struct ngx_http_upstream_s { |
| 3162 | | + ngx_http_upstream_handler_pt read_event_handler; |
| 3163 | | + ngx_http_upstream_handler_pt write_event_handler; |
| 3164 | | + |
| 3165 | | + ngx_peer_connection_t peer; |
| 3166 | | + |
| 3167 | | + ngx_event_pipe_t *pipe; |
| 3168 | | + |
| 3169 | | + ngx_chain_t *request_bufs; |
| 3170 | | + |
| 3171 | | + ngx_output_chain_ctx_t output; |
| 3172 | | + ngx_chain_writer_ctx_t writer; |
| 3173 | | + |
| 3174 | | + ngx_http_upstream_conf_t *conf; |
| 3175 | | + |
| 3176 | | + ngx_http_upstream_headers_in_t headers_in; |
| 3177 | | + |
| 3178 | | + ngx_http_upstream_resolved_t *resolved; |
| 3179 | | + |
| 3180 | | + ngx_buf_t buffer; |
| 3181 | | + size_t length; |
| 3182 | | + |
| 3183 | | + ngx_chain_t *out_bufs; |
| 3184 | | + ngx_chain_t *busy_bufs; |
| 3185 | | + ngx_chain_t *free_bufs; |
| 3186 | | + |
| 3187 | | + ngx_int_t (*input_filter_init)(void *data); |
| 3188 | | + ngx_int_t (*input_filter)(void *data, ssize_t bytes); |
| 3189 | | + void *input_filter_ctx; |
| 3190 | | + |
| 3191 | | +#if (NGX_HTTP_CACHE) |
| 3192 | | + ngx_int_t (*create_key)(ngx_http_request_t *r); |
| 3193 | | +#endif |
| 3194 | | + ngx_int_t (*create_request)(ngx_http_request_t *r); |
| 3195 | | + ngx_int_t (*reinit_request)(ngx_http_request_t *r); |
| 3196 | | + ngx_int_t (*process_header)(ngx_http_request_t *r); |
| 3197 | | + void (*abort_request)(ngx_http_request_t *r); |
| 3198 | | + void (*finalize_request)(ngx_http_request_t *r, |
| 3199 | | + ngx_int_t rc); |
| 3200 | | + ngx_int_t (*rewrite_redirect)(ngx_http_request_t *r, |
| 3201 | | + ngx_table_elt_t *h, size_t prefix); |
| 3202 | | + |
| 3203 | | + ngx_msec_t timeout; |
| 3204 | | + |
| 3205 | | + ngx_http_upstream_state_t *state; |
| 3206 | | + |
| 3207 | | + ngx_str_t method; |
| 3208 | | + ngx_str_t schema; |
| 3209 | | + ngx_str_t uri; |
| 3210 | | + |
| 3211 | | + ngx_http_cleanup_pt *cleanup; |
| 3212 | | + |
| 3213 | | + unsigned store:1; |
| 3214 | | + unsigned cacheable:1; |
| 3215 | | + unsigned accel:1; |
| 3216 | | + unsigned ssl:1; |
| 3217 | | +#if (NGX_HTTP_CACHE) |
| 3218 | | + unsigned cache_status:3; |
| 3219 | | +#endif |
| 3220 | | + |
| 3221 | | + unsigned buffering:1; |
| 3222 | | + |
| 3223 | | + unsigned request_sent:1; |
| 3224 | | + unsigned header_sent:1; |
| 3225 | | +}; |
| 3226 | | + |
| 3227 | | + |
| 3228 | | +typedef struct { |
| 3229 | | + ngx_uint_t status; |
| 3230 | | + ngx_uint_t mask; |
| 3231 | | +} ngx_http_upstream_next_t; |
| 3232 | | + |
| 3233 | | + |
| 3234 | | +ngx_int_t ngx_http_upstream_header_variable(ngx_http_request_t *r, |
| 3235 | | + ngx_http_variable_value_t *v, uintptr_t data); |
| 3236 | | + |
| 3237 | | +ngx_int_t ngx_http_upstream_create(ngx_http_request_t *r); |
| 3238 | | +void ngx_http_upstream_init(ngx_http_request_t *r); |
| 3239 | | +ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf, |
| 3240 | | + ngx_url_t *u, ngx_uint_t flags); |
| 3241 | | +char *ngx_http_upstream_bind_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
| 3242 | | + void *conf); |
| 3243 | | +ngx_int_t ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, |
| 3244 | | + ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, |
| 3245 | | + ngx_str_t *default_hide_headers, ngx_hash_init_t *hash); |
| 3246 | | + |
| 3247 | | + |
| 3248 | | +#define ngx_http_conf_upstream_srv_conf(uscf, module) \ |
| 3249 | | + uscf->srv_conf[module.ctx_index] |
| 3250 | | + |
| 3251 | | + |
| 3252 | | +extern ngx_module_t ngx_http_upstream_module; |
| 3253 | | +extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[]; |
| 3254 | | +extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[]; |
| 3255 | | + |
| 3256 | | + |
| 3257 | | +#endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */ |
| 3258 | | |
| 3259 | | }}} |
| | 1 | Proxy should be able to verify peer's SSL certificate. |