Mercurial > hg > nginx
annotate src/http/modules/ngx_http_proxy_module.c @ 2705:d040c3786239
do not pass if-... headers for cacheable responses
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 15 Apr 2009 11:21:12 +0000 |
| parents | b212066acf50 |
| children | f905a6ab0ca8 |
| rev | line source |
|---|---|
| 507 | 1 |
| 577 | 2 /* |
| 507 | 3 * Copyright (C) Igor Sysoev |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 509 | 12 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t; |
| 13 | |
| 14 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r, | |
| 15 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr); | |
| 507 | 16 |
| 509 | 17 struct ngx_http_proxy_redirect_s { |
| 651 | 18 ngx_http_proxy_redirect_pt handler; |
| 19 ngx_str_t redirect; | |
| 507 | 20 |
| 509 | 21 union { |
| 651 | 22 ngx_str_t text; |
| 509 | 23 |
| 24 struct { | |
| 651 | 25 void *lengths; |
| 26 void *values; | |
| 509 | 27 } vars; |
| 507 | 28 |
| 651 | 29 void *regex; |
| 509 | 30 } replacement; |
| 31 }; | |
| 32 | |
| 33 | |
| 34 typedef struct { | |
|
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35 ngx_str_t key_start; |
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36 ngx_str_t schema; |
| 1658 | 37 ngx_str_t host_header; |
| 38 ngx_str_t port; | |
| 39 ngx_str_t uri; | |
| 40 } ngx_http_proxy_vars_t; | |
| 41 | |
| 42 | |
| 43 typedef struct { | |
| 651 | 44 ngx_http_upstream_conf_t upstream; |
| 45 | |
| 46 ngx_array_t *flushes; | |
| 47 ngx_array_t *body_set_len; | |
| 48 ngx_array_t *body_set; | |
| 49 ngx_array_t *headers_set_len; | |
| 50 ngx_array_t *headers_set; | |
| 51 ngx_hash_t headers_set_hash; | |
| 52 | |
| 53 ngx_array_t *headers_source; | |
| 54 ngx_array_t *headers_names; | |
| 55 | |
| 1658 | 56 ngx_array_t *proxy_lengths; |
| 57 ngx_array_t *proxy_values; | |
| 58 | |
| 651 | 59 ngx_array_t *redirects; |
| 60 | |
| 61 ngx_str_t body_source; | |
| 62 | |
| 63 ngx_str_t method; | |
| 1658 | 64 ngx_str_t location; |
| 65 ngx_str_t url; | |
| 66 | |
| 2672 | 67 #if (NGX_HTTP_CACHE) |
| 68 ngx_http_complex_value_t cache_key; | |
| 69 #endif | |
| 70 | |
| 1658 | 71 ngx_http_proxy_vars_t vars; |
| 651 | 72 |
| 73 ngx_flag_t redirect; | |
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74 |
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75 ngx_uint_t headers_hash_max_size; |
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76 ngx_uint_t headers_hash_bucket_size; |
| 507 | 77 } ngx_http_proxy_loc_conf_t; |
| 78 | |
| 79 | |
| 80 typedef struct { | |
| 651 | 81 ngx_uint_t status; |
| 82 ngx_uint_t status_count; | |
| 83 u_char *status_start; | |
| 84 u_char *status_end; | |
| 85 | |
| 1658 | 86 ngx_http_proxy_vars_t vars; |
| 87 | |
| 651 | 88 size_t internal_body_length; |
| 509 | 89 } ngx_http_proxy_ctx_t; |
| 507 | 90 |
| 91 | |
| 509 | 92 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20 |
| 507 | 93 |
| 94 | |
| 1658 | 95 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r, |
| 96 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf); | |
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97 #if (NGX_HTTP_CACHE) |
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98 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r); |
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99 #endif |
| 507 | 100 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); |
| 101 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); | |
| 509 | 102 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); |
| 103 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r, | |
| 1658 | 104 ngx_http_proxy_ctx_t *ctx); |
| 507 | 105 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); |
| 106 static void ngx_http_proxy_abort_request(ngx_http_request_t *r); | |
| 107 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, | |
| 108 ngx_int_t rc); | |
| 109 | |
| 573 | 110 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, |
| 111 ngx_http_variable_value_t *v, uintptr_t data); | |
| 112 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
| 113 ngx_http_variable_value_t *v, uintptr_t data); | |
| 114 static ngx_int_t | |
| 509 | 115 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 573 | 116 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 117 static ngx_int_t |
| 118 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, | |
| 119 ngx_http_variable_value_t *v, uintptr_t data); | |
| 509 | 120 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, |
| 121 ngx_table_elt_t *h, size_t prefix); | |
| 507 | 122 |
| 509 | 123 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); |
| 507 | 124 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); |
| 125 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, | |
| 126 void *parent, void *child); | |
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127 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf, |
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128 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev); |
| 507 | 129 |
| 130 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 131 void *conf); | |
| 509 | 132 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, |
| 133 void *conf); | |
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134 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, |
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135 void *conf); |
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136 #if (NGX_HTTP_CACHE) |
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137 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
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138 void *conf); |
| 2672 | 139 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, |
| 140 void *conf); | |
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141 #endif |
| 507 | 142 |
| 143 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); | |
| 144 | |
| 884 | 145 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, |
| 146 ngx_command_t *cmd, void *conf); | |
| 147 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 148 ngx_command_t *cmd, void *conf); | |
| 149 | |
| 1658 | 150 #if (NGX_HTTP_SSL) |
| 151 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf, | |
| 152 ngx_http_proxy_loc_conf_t *plcf); | |
| 153 #endif | |
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154 static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v); |
| 1658 | 155 |
| 509 | 156 |
| 507 | 157 static ngx_conf_post_t ngx_http_proxy_lowat_post = |
| 509 | 158 { ngx_http_proxy_lowat_check }; |
| 159 | |
| 507 | 160 |
| 161 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { | |
| 162 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 163 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 164 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 165 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
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166 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
| 623 | 167 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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168 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
| 507 | 169 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
| 665 | 170 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
| 507 | 171 { ngx_null_string, 0 } |
| 172 }; | |
| 173 | |
| 174 | |
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175 ngx_module_t ngx_http_proxy_module; |
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176 |
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177 |
| 507 | 178 static ngx_command_t ngx_http_proxy_commands[] = { |
| 179 | |
| 180 { ngx_string("proxy_pass"), | |
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181 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 507 | 182 ngx_http_proxy_pass, |
| 183 NGX_HTTP_LOC_CONF_OFFSET, | |
| 184 0, | |
| 185 NULL }, | |
| 186 | |
| 509 | 187 { ngx_string("proxy_redirect"), |
| 188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
| 189 ngx_http_proxy_redirect, | |
| 190 NGX_HTTP_LOC_CONF_OFFSET, | |
| 191 0, | |
| 192 NULL }, | |
| 193 | |
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194 { ngx_string("proxy_store"), |
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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196 ngx_http_proxy_store, |
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197 NGX_HTTP_LOC_CONF_OFFSET, |
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198 0, |
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199 NULL }, |
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200 |
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201 { ngx_string("proxy_store_access"), |
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202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
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203 ngx_conf_set_access_slot, |
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204 NGX_HTTP_LOC_CONF_OFFSET, |
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205 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), |
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206 NULL }, |
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207 |
| 581 | 208 { ngx_string("proxy_buffering"), |
| 209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 210 ngx_conf_set_flag_slot, | |
| 211 NGX_HTTP_LOC_CONF_OFFSET, | |
| 212 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), | |
| 213 NULL }, | |
| 214 | |
| 629 | 215 { ngx_string("proxy_ignore_client_abort"), |
| 216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 217 ngx_conf_set_flag_slot, | |
| 218 NGX_HTTP_LOC_CONF_OFFSET, | |
| 219 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
| 220 NULL }, | |
| 221 | |
| 507 | 222 { ngx_string("proxy_connect_timeout"), |
| 223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 224 ngx_conf_set_msec_slot, | |
| 225 NGX_HTTP_LOC_CONF_OFFSET, | |
| 226 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), | |
| 227 NULL }, | |
| 228 | |
| 229 { ngx_string("proxy_send_timeout"), | |
| 230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 231 ngx_conf_set_msec_slot, | |
| 232 NGX_HTTP_LOC_CONF_OFFSET, | |
| 233 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
| 234 NULL }, | |
| 235 | |
| 236 { ngx_string("proxy_send_lowat"), | |
| 237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 238 ngx_conf_set_size_slot, | |
| 239 NGX_HTTP_LOC_CONF_OFFSET, | |
| 240 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
| 241 &ngx_http_proxy_lowat_post }, | |
| 242 | |
| 657 | 243 { ngx_string("proxy_intercept_errors"), |
| 244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 245 ngx_conf_set_flag_slot, | |
| 246 NGX_HTTP_LOC_CONF_OFFSET, | |
| 247 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), | |
| 248 NULL }, | |
| 249 | |
| 509 | 250 { ngx_string("proxy_set_header"), |
| 251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 649 | 252 ngx_conf_set_keyval_slot, |
| 507 | 253 NGX_HTTP_LOC_CONF_OFFSET, |
| 509 | 254 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
| 507 | 255 NULL }, |
| 256 | |
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257 { ngx_string("proxy_headers_hash_max_size"), |
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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259 ngx_conf_set_num_slot, |
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260 NGX_HTTP_LOC_CONF_OFFSET, |
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261 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
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262 NULL }, |
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263 |
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264 { ngx_string("proxy_headers_hash_bucket_size"), |
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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266 ngx_conf_set_num_slot, |
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267 NGX_HTTP_LOC_CONF_OFFSET, |
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268 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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269 NULL }, |
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270 |
| 577 | 271 { ngx_string("proxy_set_body"), |
| 272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 273 ngx_conf_set_str_slot, | |
| 274 NGX_HTTP_LOC_CONF_OFFSET, | |
| 275 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
| 276 NULL }, | |
| 277 | |
| 509 | 278 { ngx_string("proxy_method"), |
| 279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 561 | 280 ngx_conf_set_str_slot, |
| 509 | 281 NGX_HTTP_LOC_CONF_OFFSET, |
| 561 | 282 offsetof(ngx_http_proxy_loc_conf_t, method), |
| 283 NULL }, | |
| 509 | 284 |
| 285 { ngx_string("proxy_pass_request_headers"), | |
| 507 | 286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 287 ngx_conf_set_flag_slot, | |
| 288 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 289 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
| 507 | 290 NULL }, |
| 291 | |
| 509 | 292 { ngx_string("proxy_pass_request_body"), |
| 507 | 293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 294 ngx_conf_set_flag_slot, | |
| 295 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 296 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
| 507 | 297 NULL }, |
| 298 | |
| 581 | 299 { ngx_string("proxy_buffer_size"), |
| 300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 301 ngx_conf_set_size_slot, | |
| 302 NGX_HTTP_LOC_CONF_OFFSET, | |
| 303 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
| 304 NULL }, | |
| 305 | |
| 507 | 306 { ngx_string("proxy_read_timeout"), |
| 307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 308 ngx_conf_set_msec_slot, | |
| 309 NGX_HTTP_LOC_CONF_OFFSET, | |
| 310 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
| 311 NULL }, | |
| 312 | |
| 313 { ngx_string("proxy_buffers"), | |
| 314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 315 ngx_conf_set_bufs_slot, | |
| 316 NGX_HTTP_LOC_CONF_OFFSET, | |
| 317 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
| 318 NULL }, | |
| 319 | |
| 320 { ngx_string("proxy_busy_buffers_size"), | |
| 321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 322 ngx_conf_set_size_slot, | |
| 323 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 324 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
| 507 | 325 NULL }, |
| 326 | |
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327 #if (NGX_HTTP_CACHE) |
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328 |
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329 { ngx_string("proxy_cache"), |
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330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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331 ngx_http_proxy_cache, |
| 2597 | 332 NGX_HTTP_LOC_CONF_OFFSET, |
| 2596 | 333 0, |
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334 NULL }, |
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335 |
| 2672 | 336 { ngx_string("proxy_cache_key"), |
| 337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 338 ngx_http_proxy_cache_key, | |
| 339 NGX_HTTP_LOC_CONF_OFFSET, | |
| 340 0, | |
| 341 NULL }, | |
| 342 | |
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343 { ngx_string("proxy_cache_path"), |
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344 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, |
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345 ngx_http_file_cache_set_slot, |
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346 0, |
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347 0, |
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348 &ngx_http_proxy_module }, |
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349 |
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350 { ngx_string("proxy_cache_valid"), |
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351 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
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352 ngx_http_file_cache_valid_set_slot, |
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353 NGX_HTTP_LOC_CONF_OFFSET, |
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354 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid), |
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355 NULL }, |
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356 |
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357 { ngx_string("proxy_cache_min_uses"), |
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358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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359 ngx_conf_set_num_slot, |
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360 NGX_HTTP_LOC_CONF_OFFSET, |
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361 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses), |
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362 NULL }, |
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363 |
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364 { ngx_string("proxy_cache_use_stale"), |
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365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
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366 ngx_conf_set_bitmask_slot, |
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367 NGX_HTTP_LOC_CONF_OFFSET, |
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368 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale), |
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369 &ngx_http_proxy_next_upstream_masks }, |
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370 |
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371 #endif |
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372 |
| 507 | 373 { ngx_string("proxy_temp_path"), |
| 374 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 375 ngx_conf_set_path_slot, | |
| 376 NGX_HTTP_LOC_CONF_OFFSET, | |
| 377 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
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378 NULL }, |
| 507 | 379 |
| 380 { ngx_string("proxy_max_temp_file_size"), | |
| 381 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 382 ngx_conf_set_size_slot, | |
| 383 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 384 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
| 507 | 385 NULL }, |
| 386 | |
| 387 { ngx_string("proxy_temp_file_write_size"), | |
| 388 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 389 ngx_conf_set_size_slot, | |
| 390 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 391 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
| 507 | 392 NULL }, |
| 393 | |
| 394 { ngx_string("proxy_next_upstream"), | |
| 547 | 395 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 507 | 396 ngx_conf_set_bitmask_slot, |
| 397 NGX_HTTP_LOC_CONF_OFFSET, | |
| 398 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
| 399 &ngx_http_proxy_next_upstream_masks }, | |
| 400 | |
| 561 | 401 { ngx_string("proxy_upstream_max_fails"), |
| 402 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 403 ngx_http_proxy_upstream_max_fails_unsupported, |
| 404 0, | |
| 405 0, | |
| 561 | 406 NULL }, |
| 407 | |
| 408 { ngx_string("proxy_upstream_fail_timeout"), | |
| 409 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 410 ngx_http_proxy_upstream_fail_timeout_unsupported, |
| 411 0, | |
| 412 0, | |
| 561 | 413 NULL }, |
| 414 | |
| 649 | 415 { ngx_string("proxy_pass_header"), |
| 507 | 416 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 417 ngx_conf_set_str_array_slot, |
| 507 | 418 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 419 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
| 507 | 420 NULL }, |
| 421 | |
| 649 | 422 { ngx_string("proxy_hide_header"), |
| 507 | 423 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 424 ngx_conf_set_str_array_slot, |
| 507 | 425 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 426 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
| 507 | 427 NULL }, |
| 428 | |
| 2184 | 429 #if (NGX_HTTP_SSL) |
| 430 | |
| 431 { ngx_string("proxy_ssl_session_reuse"), | |
| 432 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 433 ngx_conf_set_flag_slot, | |
| 434 NGX_HTTP_LOC_CONF_OFFSET, | |
| 435 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), | |
| 436 NULL }, | |
| 437 | |
| 438 #endif | |
| 439 | |
| 507 | 440 ngx_null_command |
| 441 }; | |
| 442 | |
| 443 | |
| 667 | 444 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
| 509 | 445 ngx_http_proxy_add_variables, /* preconfiguration */ |
| 446 NULL, /* postconfiguration */ | |
| 507 | 447 |
| 448 NULL, /* create main configuration */ | |
| 449 NULL, /* init main configuration */ | |
| 450 | |
| 451 NULL, /* create server configuration */ | |
| 452 NULL, /* merge server configuration */ | |
| 453 | |
| 454 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
| 455 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
| 456 }; | |
| 457 | |
| 458 | |
| 459 ngx_module_t ngx_http_proxy_module = { | |
| 509 | 460 NGX_MODULE_V1, |
| 507 | 461 &ngx_http_proxy_module_ctx, /* module context */ |
| 462 ngx_http_proxy_commands, /* module directives */ | |
| 463 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 464 NULL, /* init master */ |
| 509 | 465 NULL, /* init module */ |
| 541 | 466 NULL, /* init process */ |
| 467 NULL, /* init thread */ | |
| 468 NULL, /* exit thread */ | |
| 469 NULL, /* exit process */ | |
| 470 NULL, /* exit master */ | |
| 471 NGX_MODULE_V1_PADDING | |
| 507 | 472 }; |
| 473 | |
| 474 | |
| 475 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
| 476 | |
| 509 | 477 |
| 649 | 478 static ngx_keyval_t ngx_http_proxy_headers[] = { |
| 479 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
| 480 { ngx_string("Connection"), ngx_string("close") }, | |
| 481 { ngx_string("Keep-Alive"), ngx_string("") }, | |
| 2067 | 482 { ngx_string("Expect"), ngx_string("") }, |
| 649 | 483 { ngx_null_string, ngx_null_string } |
| 484 }; | |
| 485 | |
| 486 | |
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487 #if (NGX_HTTP_CACHE) |
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488 |
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489 static ngx_keyval_t ngx_http_proxy_cache_headers[] = { |
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490 { ngx_string("Host"), ngx_string("$proxy_host") }, |
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491 { ngx_string("Connection"), ngx_string("close") }, |
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492 { ngx_string("Keep-Alive"), ngx_string("") }, |
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493 { ngx_string("Expect"), ngx_string("") }, |
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494 { ngx_string("If-Modified-Since"), ngx_string("") }, |
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495 { ngx_string("If-Unmodified-Since"), ngx_string("") }, |
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496 { ngx_string("If-Match-None"), ngx_string("") }, |
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497 { ngx_string("If-Match"), ngx_string("") }, |
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498 { ngx_string("Range"), ngx_string("") }, |
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499 { ngx_string("If-Range"), ngx_string("") }, |
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500 { ngx_null_string, ngx_null_string } |
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501 }; |
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502 |
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503 #endif |
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504 |
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505 |
| 649 | 506 static ngx_str_t ngx_http_proxy_hide_headers[] = { |
| 507 ngx_string("Date"), | |
| 508 ngx_string("Server"), | |
| 509 ngx_string("X-Pad"), | |
| 510 ngx_string("X-Accel-Expires"), | |
| 511 ngx_string("X-Accel-Redirect"), | |
| 512 ngx_string("X-Accel-Limit-Rate"), | |
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513 ngx_string("X-Accel-Buffering"), |
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514 ngx_string("X-Accel-Charset"), |
| 649 | 515 ngx_null_string |
| 509 | 516 }; |
| 517 | |
| 518 | |
| 519 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
| 520 | |
| 637 | 521 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
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522 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 523 |
| 637 | 524 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
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525 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 526 |
| 637 | 527 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
| 583 | 528 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 529 |
| 530 #if 0 | |
| 637 | 531 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 532 #endif |
| 533 | |
| 637 | 534 { ngx_string("proxy_internal_body_length"), NULL, |
| 583 | 535 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 577 | 536 |
| 637 | 537 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 509 | 538 }; |
| 507 | 539 |
| 540 | |
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541 static ngx_path_init_t ngx_http_proxy_temp_path = { |
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542 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 } |
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543 }; |
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544 |
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545 |
| 507 | 546 static ngx_int_t |
| 547 ngx_http_proxy_handler(ngx_http_request_t *r) | |
| 577 | 548 { |
| 507 | 549 ngx_int_t rc; |
| 550 ngx_http_upstream_t *u; | |
| 1658 | 551 ngx_http_proxy_ctx_t *ctx; |
| 507 | 552 ngx_http_proxy_loc_conf_t *plcf; |
| 577 | 553 |
| 507 | 554 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
| 555 if (u == NULL) { | |
| 556 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 557 } | |
| 577 | 558 |
| 1658 | 559 r->upstream = u; |
| 560 | |
| 561 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); | |
| 562 if (ctx == NULL) { | |
| 563 return NGX_ERROR; | |
| 564 } | |
| 565 | |
| 566 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module); | |
| 567 | |
| 568 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 569 | |
| 570 if (plcf->proxy_lengths == 0) { | |
| 571 ctx->vars = plcf->vars; | |
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572 u->schema = plcf->vars.schema; |
| 1658 | 573 #if (NGX_HTTP_SSL) |
| 574 u->ssl = (plcf->upstream.ssl != NULL); | |
| 575 #endif | |
| 576 | |
| 577 } else { | |
| 578 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) { | |
| 579 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 580 } | |
| 581 } | |
| 582 | |
| 507 | 583 u->peer.log = r->connection->log; |
| 584 u->peer.log_error = NGX_ERROR_ERR; | |
| 585 #if (NGX_THREADS) | |
| 586 u->peer.lock = &r->connection->lock; | |
| 587 #endif | |
| 588 | |
| 589 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
| 590 | |
| 591 u->conf = &plcf->upstream; | |
| 592 | |
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593 #if (NGX_HTTP_CACHE) |
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594 u->create_key = ngx_http_proxy_create_key; |
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595 #endif |
| 507 | 596 u->create_request = ngx_http_proxy_create_request; |
| 597 u->reinit_request = ngx_http_proxy_reinit_request; | |
| 509 | 598 u->process_header = ngx_http_proxy_process_status_line; |
| 507 | 599 u->abort_request = ngx_http_proxy_abort_request; |
| 600 u->finalize_request = ngx_http_proxy_finalize_request; | |
| 601 | |
| 509 | 602 if (plcf->redirects) { |
| 603 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
| 604 } | |
| 605 | |
| 649 | 606 u->buffering = plcf->upstream.buffering; |
| 607 | |
| 608 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
| 609 if (u->pipe == NULL) { | |
| 610 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 581 | 611 } |
| 507 | 612 |
| 649 | 613 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
| 614 | |
| 509 | 615 u->accel = 1; |
| 577 | 616 |
| 507 | 617 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); |
| 618 | |
| 619 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 620 return rc; | |
| 621 } | |
| 622 | |
| 623 return NGX_DONE; | |
| 624 } | |
| 625 | |
| 626 | |
| 627 static ngx_int_t | |
| 1658 | 628 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx, |
| 629 ngx_http_proxy_loc_conf_t *plcf) | |
| 630 { | |
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631 u_char *p; |
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632 size_t add; |
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633 u_short port; |
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634 ngx_str_t proxy; |
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635 ngx_url_t url; |
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636 ngx_http_upstream_t *u; |
| 1658 | 637 |
| 638 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0, | |
| 639 plcf->proxy_values->elts) | |
| 640 == NULL) | |
| 641 { | |
| 642 return NGX_ERROR; | |
| 643 } | |
| 644 | |
| 645 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) { | |
| 646 | |
| 647 add = 7; | |
| 648 port = 80; | |
| 649 | |
| 650 #if (NGX_HTTP_SSL) | |
| 651 | |
| 652 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) { | |
| 653 | |
| 654 add = 8; | |
| 655 port = 443; | |
| 656 r->upstream->ssl = 1; | |
| 657 | |
| 658 #endif | |
| 659 | |
| 660 } else { | |
| 661 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 662 "invalid URL prefix in \"%V\"", &proxy); | |
| 663 return NGX_ERROR; | |
| 664 } | |
| 665 | |
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666 u = r->upstream; |
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667 |
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668 u->schema.len = add; |
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669 u->schema.data = proxy.data; |
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670 |
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671 ngx_memzero(&url, sizeof(ngx_url_t)); |
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672 |
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673 url.url.len = proxy.len - add; |
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674 url.url.data = proxy.data + add; |
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675 url.default_port = port; |
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676 url.uri_part = 1; |
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677 url.no_resolve = 1; |
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678 |
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679 if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
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680 if (url.err) { |
| 1658 | 681 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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682 "%s in upstream \"%V\"", url.err, &url.url); |
| 1658 | 683 } |
| 684 | |
| 685 return NGX_ERROR; | |
| 686 } | |
| 687 | |
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688 if (url.uri.len && url.uri.data[0] == '?') { |
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689 p = ngx_pnalloc(r->pool, url.uri.len + 1); |
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690 if (p == NULL) { |
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691 return NGX_ERROR; |
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692 } |
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693 |
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694 *p++ = '/'; |
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695 ngx_memcpy(p, url.uri.data, url.uri.len); |
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696 |
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697 url.uri.len++; |
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698 url.uri.data = p - 1; |
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699 } |
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700 |
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701 ctx->vars.key_start = u->schema; |
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702 |
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703 ngx_http_proxy_set_vars(&url, &ctx->vars); |
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704 |
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705 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
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706 if (u->resolved == NULL) { |
| 1658 | 707 return NGX_ERROR; |
| 708 } | |
| 709 | |
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710 if (url.addrs && url.addrs[0].sockaddr) { |
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711 u->resolved->sockaddr = url.addrs[0].sockaddr; |
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712 u->resolved->socklen = url.addrs[0].socklen; |
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713 u->resolved->naddrs = 1; |
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714 u->resolved->host = url.addrs[0].name; |
|
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715 |
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716 } else { |
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717 u->resolved->host = url.host; |
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718 u->resolved->port = (in_port_t) (url.no_port ? port : url.port); |
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719 u->resolved->no_port = url.no_port; |
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720 } |
| 1658 | 721 |
| 722 return NGX_OK; | |
| 723 } | |
| 724 | |
| 725 | |
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726 #if (NGX_HTTP_CACHE) |
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727 |
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728 static ngx_int_t |
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729 ngx_http_proxy_create_key(ngx_http_request_t *r) |
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730 { |
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731 size_t len, loc_len; |
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732 u_char *p; |
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733 uintptr_t escape; |
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734 ngx_str_t *key; |
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735 ngx_http_upstream_t *u; |
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736 ngx_http_proxy_ctx_t *ctx; |
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737 ngx_http_proxy_loc_conf_t *plcf; |
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738 |
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739 u = r->upstream; |
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740 |
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741 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
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742 |
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743 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
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744 |
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745 key = ngx_array_push(&r->cache->keys); |
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746 if (key == NULL) { |
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747 return NGX_ERROR; |
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748 } |
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749 |
| 2672 | 750 if (plcf->cache_key.value.len) { |
| 751 | |
| 752 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) { | |
| 753 return NGX_ERROR; | |
| 754 } | |
| 755 | |
| 756 return NGX_OK; | |
| 757 } | |
| 758 | |
|
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759 *key = ctx->vars.key_start; |
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760 |
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761 key = ngx_array_push(&r->cache->keys); |
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762 if (key == NULL) { |
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763 return NGX_ERROR; |
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764 } |
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765 |
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|
766 if (plcf->proxy_lengths) { |
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767 |
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768 *key = ctx->vars.uri; |
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769 u->uri = ctx->vars.uri; |
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770 |
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771 return NGX_OK; |
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|
772 |
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773 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) |
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774 { |
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775 *key = r->unparsed_uri; |
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776 u->uri = r->unparsed_uri; |
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777 |
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778 return NGX_OK; |
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779 } |
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780 |
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781 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0; |
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782 |
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783 if (r->quoted_uri || r->internal) { |
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784 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
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785 r->uri.len - loc_len, NGX_ESCAPE_URI); |
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786 } else { |
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787 escape = 0; |
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788 } |
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|
789 |
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790 len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
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791 + sizeof("?") - 1 + r->args.len; |
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792 |
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793 p = ngx_pnalloc(r->pool, len); |
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794 if (p == NULL) { |
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795 return NGX_ERROR; |
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796 } |
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797 |
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798 key->data = p; |
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799 |
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800 if (r->valid_location) { |
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801 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len); |
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802 } |
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803 |
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804 if (escape) { |
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805 ngx_escape_uri(p, r->uri.data + loc_len, |
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806 r->uri.len - loc_len, NGX_ESCAPE_URI); |
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807 p += r->uri.len - loc_len + escape; |
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808 |
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809 } else { |
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810 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len); |
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811 } |
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812 |
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813 if (r->args.len > 0) { |
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814 *p++ = '?'; |
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815 p = ngx_copy(p, r->args.data, r->args.len); |
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816 } |
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817 |
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818 key->len = p - key->data; |
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819 u->uri = *key; |
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820 |
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821 return NGX_OK; |
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822 } |
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823 |
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824 #endif |
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825 |
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826 |
| 1658 | 827 static ngx_int_t |
| 507 | 828 ngx_http_proxy_create_request(ngx_http_request_t *r) |
| 829 { | |
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830 size_t len, uri_len, loc_len, body_len; |
| 509 | 831 uintptr_t escape; |
| 832 ngx_buf_t *b; | |
| 649 | 833 ngx_str_t method; |
| 834 ngx_uint_t i, unparsed_uri; | |
| 509 | 835 ngx_chain_t *cl, *body; |
| 836 ngx_list_part_t *part; | |
| 837 ngx_table_elt_t *header; | |
| 838 ngx_http_upstream_t *u; | |
| 1658 | 839 ngx_http_proxy_ctx_t *ctx; |
| 509 | 840 ngx_http_script_code_pt code; |
| 841 ngx_http_script_engine_t e, le; | |
| 842 ngx_http_proxy_loc_conf_t *plcf; | |
| 843 ngx_http_script_len_code_pt lcode; | |
| 507 | 844 |
| 845 u = r->upstream; | |
| 846 | |
| 847 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 848 | |
| 561 | 849 if (u->method.len) { |
| 850 /* HEAD was changed to GET to cache response */ | |
| 851 method = u->method; | |
| 852 method.len++; | |
| 853 | |
| 854 } else if (plcf->method.len) { | |
| 855 method = plcf->method; | |
| 856 | |
| 507 | 857 } else { |
| 561 | 858 method = r->method_name; |
| 859 method.len++; | |
| 507 | 860 } |
| 861 | |
| 1667 | 862 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
| 863 | |
| 507 | 864 escape = 0; |
| 1658 | 865 loc_len = 0; |
| 866 unparsed_uri = 0; | |
| 867 | |
| 868 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 869 | |
| 870 if (plcf->proxy_lengths) { | |
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871 uri_len = ctx->vars.uri.len; |
| 1658 | 872 |
| 873 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) | |
| 874 { | |
| 609 | 875 unparsed_uri = 1; |
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876 uri_len = r->unparsed_uri.len; |
| 507 | 877 |
| 878 } else { | |
| 1658 | 879 loc_len = (r->valid_location && ctx->vars.uri.len) ? |
| 880 plcf->location.len : 0; | |
| 881 | |
|
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882 if (r->quoted_uri || r->internal) { |
| 509 | 883 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
| 884 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 507 | 885 } |
| 886 | |
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887 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
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888 + sizeof("?") - 1 + r->args.len; |
| 507 | 889 } |
| 890 | |
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891 if (uri_len == 0) { |
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892 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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893 "zero length URI to proxy"); |
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894 return NGX_ERROR; |
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895 } |
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896 |
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897 len += uri_len; |
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898 |
| 1565 | 899 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes); |
| 573 | 900 |
| 577 | 901 if (plcf->body_set_len) { |
| 902 le.ip = plcf->body_set_len->elts; | |
| 903 le.request = r; | |
| 904 le.flushed = 1; | |
| 905 body_len = 0; | |
| 906 | |
| 907 while (*(uintptr_t *) le.ip) { | |
| 908 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 909 body_len += lcode(&le); | |
| 910 } | |
| 911 | |
| 1658 | 912 ctx->internal_body_length = body_len; |
| 577 | 913 len += body_len; |
| 914 } | |
| 915 | |
| 509 | 916 le.ip = plcf->headers_set_len->elts; |
| 917 le.request = r; | |
| 573 | 918 le.flushed = 1; |
| 507 | 919 |
| 509 | 920 while (*(uintptr_t *) le.ip) { |
| 921 while (*(uintptr_t *) le.ip) { | |
| 922 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 923 len += lcode(&le); | |
| 924 } | |
| 925 le.ip += sizeof(uintptr_t); | |
| 507 | 926 } |
| 927 | |
| 928 | |
| 509 | 929 if (plcf->upstream.pass_request_headers) { |
| 930 part = &r->headers_in.headers.part; | |
| 931 header = part->elts; | |
| 932 | |
| 933 for (i = 0; /* void */; i++) { | |
| 507 | 934 |
| 509 | 935 if (i >= part->nelts) { |
| 936 if (part->next == NULL) { | |
| 937 break; | |
| 938 } | |
| 939 | |
| 940 part = part->next; | |
| 941 header = part->elts; | |
| 577 | 942 i = 0; |
| 507 | 943 } |
| 944 | |
| 649 | 945 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 946 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 947 { |
| 948 continue; | |
| 949 } | |
| 950 | |
| 951 len += header[i].key.len + sizeof(": ") - 1 | |
| 952 + header[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 953 } |
| 509 | 954 } |
| 507 | 955 |
| 956 | |
| 957 b = ngx_create_temp_buf(r->pool, len); | |
| 958 if (b == NULL) { | |
| 959 return NGX_ERROR; | |
| 960 } | |
| 961 | |
| 962 cl = ngx_alloc_chain_link(r->pool); | |
| 963 if (cl == NULL) { | |
| 964 return NGX_ERROR; | |
| 965 } | |
| 966 | |
| 967 cl->buf = b; | |
| 968 | |
| 969 | |
| 970 /* the request line */ | |
| 971 | |
| 573 | 972 b->last = ngx_copy(b->last, method.data, method.len); |
| 507 | 973 |
| 555 | 974 u->uri.data = b->last; |
| 975 | |
| 1658 | 976 if (plcf->proxy_lengths) { |
| 977 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); | |
| 978 | |
| 979 } else if (unparsed_uri) { | |
| 573 | 980 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
| 981 | |
| 507 | 982 } else { |
| 555 | 983 if (r->valid_location) { |
| 1658 | 984 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); |
| 555 | 985 } |
| 551 | 986 |
| 507 | 987 if (escape) { |
| 509 | 988 ngx_escape_uri(b->last, r->uri.data + loc_len, |
| 989 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 990 b->last += r->uri.len - loc_len + escape; | |
| 507 | 991 |
| 577 | 992 } else { |
| 573 | 993 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
| 994 r->uri.len - loc_len); | |
| 507 | 995 } |
| 996 | |
| 997 if (r->args.len > 0) { | |
| 998 *b->last++ = '?'; | |
| 573 | 999 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
| 507 | 1000 } |
| 1001 } | |
| 1002 | |
| 555 | 1003 u->uri.len = b->last - u->uri.data; |
| 1004 | |
| 507 | 1005 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
| 1006 sizeof(ngx_http_proxy_version) - 1); | |
| 1007 | |
| 577 | 1008 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
| 507 | 1009 |
| 1010 e.ip = plcf->headers_set->elts; | |
| 1011 e.pos = b->last; | |
| 509 | 1012 e.request = r; |
| 573 | 1013 e.flushed = 1; |
| 507 | 1014 |
| 509 | 1015 le.ip = plcf->headers_set_len->elts; |
| 1016 | |
| 1017 while (*(uintptr_t *) le.ip) { | |
| 1018 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 515 | 1019 |
| 1020 /* skip the header line name length */ | |
| 1021 (void) lcode(&le); | |
| 509 | 1022 |
| 1023 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
| 1024 | |
| 1025 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1026 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1027 } | |
| 1028 | |
| 1029 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
| 1030 | |
| 1031 } else { | |
| 1032 e.skip = 0; | |
| 1033 } | |
| 1034 | |
| 1035 le.ip += sizeof(uintptr_t); | |
| 1036 | |
| 1037 while (*(uintptr_t *) e.ip) { | |
| 1038 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1039 code((ngx_http_script_engine_t *) &e); | |
| 577 | 1040 } |
| 509 | 1041 e.ip += sizeof(uintptr_t); |
| 507 | 1042 } |
| 1043 | |
| 1044 b->last = e.pos; | |
| 1045 | |
| 1046 | |
| 509 | 1047 if (plcf->upstream.pass_request_headers) { |
| 1048 part = &r->headers_in.headers.part; | |
| 1049 header = part->elts; | |
| 577 | 1050 |
| 509 | 1051 for (i = 0; /* void */; i++) { |
| 507 | 1052 |
| 509 | 1053 if (i >= part->nelts) { |
| 1054 if (part->next == NULL) { | |
| 1055 break; | |
| 1056 } | |
| 1057 | |
| 1058 part = part->next; | |
| 1059 header = part->elts; | |
| 577 | 1060 i = 0; |
| 507 | 1061 } |
| 1062 | |
| 649 | 1063 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 1064 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 1065 { |
| 1066 continue; | |
| 1067 } | |
| 507 | 1068 |
| 573 | 1069 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
| 507 | 1070 |
| 509 | 1071 *b->last++ = ':'; *b->last++ = ' '; |
| 507 | 1072 |
| 573 | 1073 b->last = ngx_copy(b->last, header[i].value.data, |
| 1074 header[i].value.len); | |
| 507 | 1075 |
| 509 | 1076 *b->last++ = CR; *b->last++ = LF; |
| 507 | 1077 |
| 509 | 1078 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1079 "http proxy header: \"%V: %V\"", | |
| 1080 &header[i].key, &header[i].value); | |
| 1081 } | |
| 507 | 1082 } |
| 1083 | |
| 577 | 1084 |
| 507 | 1085 /* add "\r\n" at the header end */ |
| 1086 *b->last++ = CR; *b->last++ = LF; | |
| 1087 | |
| 577 | 1088 if (plcf->body_set) { |
| 1089 e.ip = plcf->body_set->elts; | |
| 1090 e.pos = b->last; | |
| 1091 | |
| 1092 while (*(uintptr_t *) e.ip) { | |
| 1093 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1094 code((ngx_http_script_engine_t *) &e); | |
| 1095 } | |
| 579 | 1096 |
| 1097 b->last = e.pos; | |
| 577 | 1098 } |
| 1099 | |
| 1774 | 1100 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1101 "http proxy header:\n\"%*s\"", | |
| 1102 (size_t) (b->last - b->pos), b->pos); | |
| 507 | 1103 |
| 577 | 1104 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
| 509 | 1105 |
| 1106 body = u->request_bufs; | |
| 1107 u->request_bufs = cl; | |
| 1108 | |
| 1109 while (body) { | |
| 1110 b = ngx_alloc_buf(r->pool); | |
| 1111 if (b == NULL) { | |
| 1112 return NGX_ERROR; | |
| 1113 } | |
| 1114 | |
| 1115 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 1116 | |
| 1117 cl->next = ngx_alloc_chain_link(r->pool); | |
| 1118 if (cl->next == NULL) { | |
| 1119 return NGX_ERROR; | |
| 1120 } | |
| 1121 | |
| 1122 cl = cl->next; | |
| 1123 cl->buf = b; | |
| 1124 | |
| 1125 body = body->next; | |
| 1126 } | |
| 1127 | |
| 611 | 1128 b->flush = 1; |
| 1129 | |
| 509 | 1130 } else { |
| 1131 u->request_bufs = cl; | |
| 1132 } | |
| 1133 | |
| 1134 cl->next = NULL; | |
| 1135 | |
| 507 | 1136 return NGX_OK; |
| 1137 } | |
| 1138 | |
| 1139 | |
| 1140 static ngx_int_t | |
| 1141 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
| 1142 { | |
| 1658 | 1143 ngx_http_proxy_ctx_t *ctx; |
| 1144 | |
| 1145 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1146 | |
| 1147 if (ctx == NULL) { | |
| 509 | 1148 return NGX_OK; |
| 1149 } | |
| 1150 | |
| 1658 | 1151 ctx->status = 0; |
| 1152 ctx->status_count = 0; | |
| 1153 ctx->status_start = NULL; | |
| 1154 ctx->status_end = NULL; | |
| 509 | 1155 |
| 1156 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
| 1157 | |
| 1158 return NGX_OK; | |
| 1159 } | |
| 1160 | |
| 1161 | |
| 1162 static ngx_int_t | |
| 1163 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
| 1164 { | |
| 1165 ngx_int_t rc; | |
| 1166 ngx_http_upstream_t *u; | |
| 1658 | 1167 ngx_http_proxy_ctx_t *ctx; |
| 1168 | |
| 1169 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1170 | |
| 1171 if (ctx == NULL) { | |
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1172 return NGX_ERROR; |
| 509 | 1173 } |
| 1174 | |
| 1658 | 1175 rc = ngx_http_proxy_parse_status_line(r, ctx); |
| 509 | 1176 |
| 1177 if (rc == NGX_AGAIN) { | |
| 1178 return rc; | |
| 1179 } | |
| 1180 | |
| 1181 u = r->upstream; | |
| 1182 | |
| 1183 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
|
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1184 |
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1185 #if (NGX_HTTP_CACHE) |
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1186 |
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1187 if (r->cache) { |
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1188 r->http_version = NGX_HTTP_VERSION_9; |
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1189 u->headers_in.status_n = NGX_HTTP_OK; |
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1190 return NGX_OK; |
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1191 } |
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1192 |
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1193 #endif |
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1194 |
| 509 | 1195 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| 577 | 1196 "upstream sent no valid HTTP/1.0 header"); |
| 509 | 1197 |
| 619 | 1198 #if 0 |
| 509 | 1199 if (u->accel) { |
| 1200 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1201 } | |
| 619 | 1202 #endif |
| 509 | 1203 |
| 1204 r->http_version = NGX_HTTP_VERSION_9; | |
| 1616 | 1205 u->headers_in.status_n = NGX_HTTP_OK; |
| 1206 u->state->status = NGX_HTTP_OK; | |
| 577 | 1207 |
| 509 | 1208 return NGX_OK; |
| 1209 } | |
| 1210 | |
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1211 if (u->state) { |
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1212 u->state->status = ctx->status; |
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1213 } |
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1214 |
| 1658 | 1215 u->headers_in.status_n = ctx->status; |
| 1216 | |
| 1217 u->headers_in.status_line.len = ctx->status_end - ctx->status_start; | |
| 2049 | 1218 u->headers_in.status_line.data = ngx_pnalloc(r->pool, |
| 1219 u->headers_in.status_line.len); | |
| 529 | 1220 if (u->headers_in.status_line.data == NULL) { |
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1221 return NGX_ERROR; |
| 509 | 1222 } |
| 573 | 1223 |
| 1658 | 1224 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start, |
| 529 | 1225 u->headers_in.status_line.len); |
| 509 | 1226 |
| 1227 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1228 "http proxy status %ui \"%V\"", | |
| 936 | 1229 u->headers_in.status_n, &u->headers_in.status_line); |
| 509 | 1230 |
| 1231 u->process_header = ngx_http_proxy_process_header; | |
| 1232 | |
| 1233 return ngx_http_proxy_process_header(r); | |
| 1234 } | |
| 1235 | |
| 1236 | |
| 1237 static ngx_int_t | |
| 1658 | 1238 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, |
| 1239 ngx_http_proxy_ctx_t *ctx) | |
| 509 | 1240 { |
| 1241 u_char ch; | |
| 1658 | 1242 u_char *p; |
| 509 | 1243 ngx_http_upstream_t *u; |
| 1244 enum { | |
| 1245 sw_start = 0, | |
| 1246 sw_H, | |
| 1247 sw_HT, | |
| 1248 sw_HTT, | |
| 1249 sw_HTTP, | |
| 1250 sw_first_major_digit, | |
| 1251 sw_major_digit, | |
| 1252 sw_first_minor_digit, | |
| 1253 sw_minor_digit, | |
| 1254 sw_status, | |
| 1255 sw_space_after_status, | |
| 1256 sw_status_text, | |
| 1257 sw_almost_done | |
| 577 | 1258 } state; |
| 509 | 1259 |
| 1260 u = r->upstream; | |
| 1261 | |
| 1262 state = r->state; | |
| 1263 | |
| 1658 | 1264 for (p = u->buffer.pos; p < u->buffer.last; p++) { |
| 1265 ch = *p; | |
| 509 | 1266 |
| 1267 switch (state) { | |
| 1268 | |
| 1269 /* "HTTP/" */ | |
| 1270 case sw_start: | |
| 1271 switch (ch) { | |
| 577 | 1272 case 'H': |
| 509 | 1273 state = sw_H; |
| 1274 break; | |
| 1275 default: | |
| 1276 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1277 } | |
| 1278 break; | |
| 1279 | |
| 577 | 1280 case sw_H: |
| 509 | 1281 switch (ch) { |
| 577 | 1282 case 'T': |
| 509 | 1283 state = sw_HT; |
| 1284 break; | |
| 1285 default: | |
| 1286 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1287 } | |
| 1288 break; | |
| 1289 | |
| 1290 case sw_HT: | |
| 1291 switch (ch) { | |
| 577 | 1292 case 'T': |
| 509 | 1293 state = sw_HTT; |
| 1294 break; | |
| 1295 default: | |
| 1296 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1297 } | |
| 1298 break; | |
| 1299 | |
| 1300 case sw_HTT: | |
| 1301 switch (ch) { | |
| 577 | 1302 case 'P': |
| 509 | 1303 state = sw_HTTP; |
| 1304 break; | |
| 1305 default: | |
| 1306 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1307 } | |
| 1308 break; | |
| 1309 | |
| 1310 case sw_HTTP: | |
| 1311 switch (ch) { | |
| 577 | 1312 case '/': |
| 509 | 1313 state = sw_first_major_digit; |
| 1314 break; | |
| 1315 default: | |
| 1316 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1317 } | |
| 1318 break; | |
| 1319 | |
| 1320 /* the first digit of major HTTP version */ | |
| 1321 case sw_first_major_digit: | |
| 1322 if (ch < '1' || ch > '9') { | |
| 1323 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1324 } | |
| 1325 | |
| 1326 state = sw_major_digit; | |
| 1327 break; | |
| 1328 | |
| 1329 /* the major HTTP version or dot */ | |
| 1330 case sw_major_digit: | |
| 1331 if (ch == '.') { | |
| 1332 state = sw_first_minor_digit; | |
| 1333 break; | |
| 1334 } | |
| 1335 | |
| 1336 if (ch < '0' || ch > '9') { | |
| 1337 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1338 } | |
| 1339 | |
| 1340 break; | |
| 1341 | |
| 1342 /* the first digit of minor HTTP version */ | |
| 1343 case sw_first_minor_digit: | |
| 1344 if (ch < '0' || ch > '9') { | |
| 1345 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1346 } | |
| 1347 | |
| 1348 state = sw_minor_digit; | |
| 1349 break; | |
| 1350 | |
| 1351 /* the minor HTTP version or the end of the request line */ | |
| 1352 case sw_minor_digit: | |
| 1353 if (ch == ' ') { | |
| 1354 state = sw_status; | |
| 1355 break; | |
| 1356 } | |
| 1357 | |
| 1358 if (ch < '0' || ch > '9') { | |
| 1359 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1360 } | |
| 1361 | |
| 1362 break; | |
| 1363 | |
| 1364 /* HTTP status code */ | |
| 1365 case sw_status: | |
| 619 | 1366 if (ch == ' ') { |
| 1367 break; | |
| 1368 } | |
| 1369 | |
| 509 | 1370 if (ch < '0' || ch > '9') { |
| 1371 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1372 } | |
| 1373 | |
| 1658 | 1374 ctx->status = ctx->status * 10 + ch - '0'; |
| 1375 | |
| 1376 if (++ctx->status_count == 3) { | |
| 509 | 1377 state = sw_space_after_status; |
| 1658 | 1378 ctx->status_start = p - 2; |
| 509 | 1379 } |
| 1380 | |
| 1381 break; | |
| 1382 | |
| 1383 /* space or end of line */ | |
| 1384 case sw_space_after_status: | |
| 1385 switch (ch) { | |
| 577 | 1386 case ' ': |
| 509 | 1387 state = sw_status_text; |
| 1388 break; | |
| 1389 case '.': /* IIS may send 403.1, 403.2, etc */ | |
| 1390 state = sw_status_text; | |
| 1391 break; | |
| 1392 case CR: | |
| 1393 state = sw_almost_done; | |
| 1394 break; | |
| 1395 case LF: | |
| 1396 goto done; | |
| 1397 default: | |
| 1398 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1399 } | |
| 1400 break; | |
| 1401 | |
| 1402 /* any text until end of line */ | |
| 1403 case sw_status_text: | |
| 1404 switch (ch) { | |
| 1405 case CR: | |
| 1406 state = sw_almost_done; | |
| 1407 | |
| 1408 break; | |
| 1409 case LF: | |
| 1410 goto done; | |
| 1411 } | |
| 1412 break; | |
| 1413 | |
| 527 | 1414 /* end of status line */ |
| 509 | 1415 case sw_almost_done: |
| 1658 | 1416 ctx->status_end = p - 1; |
| 509 | 1417 switch (ch) { |
| 1418 case LF: | |
| 1419 goto done; | |
| 1420 default: | |
| 1421 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1422 } | |
| 1423 } | |
| 1424 } | |
| 1425 | |
| 1658 | 1426 u->buffer.pos = p; |
| 509 | 1427 r->state = state; |
| 1428 | |
| 1429 return NGX_AGAIN; | |
| 1430 | |
| 1431 done: | |
| 1432 | |
| 1658 | 1433 u->buffer.pos = p + 1; |
| 1434 | |
| 1435 if (ctx->status_end == NULL) { | |
| 1436 ctx->status_end = p; | |
| 509 | 1437 } |
| 1438 | |
| 1439 r->state = sw_start; | |
| 1440 | |
| 507 | 1441 return NGX_OK; |
| 1442 } | |
| 1443 | |
| 1444 | |
| 1445 static ngx_int_t | |
| 1446 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
| 1447 { | |
| 509 | 1448 ngx_int_t rc; |
| 1449 ngx_table_elt_t *h; | |
| 1450 ngx_http_upstream_header_t *hh; | |
| 1451 ngx_http_upstream_main_conf_t *umcf; | |
| 1452 | |
| 1453 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 1454 | |
| 2024 | 1455 for ( ;; ) { |
| 509 | 1456 |
| 2256 | 1457 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); |
| 509 | 1458 |
| 1459 if (rc == NGX_OK) { | |
| 1460 | |
| 1461 /* a header line has been parsed successfully */ | |
| 507 | 1462 |
| 509 | 1463 h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1464 if (h == NULL) { | |
|
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1465 return NGX_ERROR; |
| 509 | 1466 } |
| 1467 | |
| 1468 h->hash = r->header_hash; | |
| 1469 | |
| 1470 h->key.len = r->header_name_end - r->header_name_start; | |
| 1471 h->value.len = r->header_end - r->header_start; | |
| 1472 | |
| 2049 | 1473 h->key.data = ngx_pnalloc(r->pool, |
| 649 | 1474 h->key.len + 1 + h->value.len + 1 + h->key.len); |
| 509 | 1475 if (h->key.data == NULL) { |
|
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1476 return NGX_ERROR; |
| 509 | 1477 } |
| 1478 | |
| 1479 h->value.data = h->key.data + h->key.len + 1; | |
| 649 | 1480 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
| 507 | 1481 |
| 509 | 1482 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
| 1483 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
| 1484 | |
| 649 | 1485 if (h->key.len == r->lowcase_index) { |
| 1486 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
| 1487 | |
| 1488 } else { | |
| 2135 | 1489 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); |
| 509 | 1490 } |
| 1491 | |
| 649 | 1492 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
| 1493 h->lowcase_key, h->key.len); | |
| 1494 | |
| 1495 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
|
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1496 return NGX_ERROR; |
| 649 | 1497 } |
| 1498 | |
| 509 | 1499 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1500 "http proxy header: \"%V: %V\"", | |
| 1501 &h->key, &h->value); | |
| 1502 | |
| 1503 continue; | |
| 1504 } | |
| 1505 | |
| 1506 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 1507 | |
| 1508 /* a whole header has been parsed successfully */ | |
| 1509 | |
| 1510 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1511 "http proxy header done"); | |
| 1512 | |
| 649 | 1513 /* |
| 1514 * if no "Server" and "Date" in header line, | |
| 1515 * then add the special empty headers | |
| 1516 */ | |
| 1517 | |
| 1518 if (r->upstream->headers_in.server == NULL) { | |
| 1519 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 1520 if (h == NULL) { | |
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1521 return NGX_ERROR; |
| 649 | 1522 } |
| 1523 | |
| 1524 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
| 1525 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
| 1526 | |
| 1527 h->key.len = sizeof("Server") - 1; | |
| 1528 h->key.data = (u_char *) "Server"; | |
| 1529 h->value.len = 0; | |
| 1530 h->value.data = NULL; | |
| 1531 h->lowcase_key = (u_char *) "server"; | |
| 1532 } | |
| 1533 | |
| 1534 if (r->upstream->headers_in.date == NULL) { | |
| 1535 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 1536 if (h == NULL) { | |
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1537 return NGX_ERROR; |
| 649 | 1538 } |
| 1539 | |
| 1540 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); | |
| 1541 | |
| 1542 h->key.len = sizeof("Date") - 1; | |
| 1543 h->key.data = (u_char *) "Date"; | |
| 1544 h->value.len = 0; | |
| 1545 h->value.data = NULL; | |
| 1546 h->lowcase_key = (u_char *) "date"; | |
| 1547 } | |
| 1548 | |
| 509 | 1549 return NGX_OK; |
| 1550 } | |
| 1551 | |
| 521 | 1552 if (rc == NGX_AGAIN) { |
| 1553 return NGX_AGAIN; | |
| 1554 } | |
| 1555 | |
| 509 | 1556 /* there was error while a header line parsing */ |
| 1557 | |
| 1558 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 619 | 1559 "upstream sent invalid header"); |
| 509 | 1560 |
| 1561 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1562 } | |
| 507 | 1563 } |
| 1564 | |
| 1565 | |
| 1566 static void | |
| 1567 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
| 1568 { | |
| 1569 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1570 "abort http proxy request"); | |
| 577 | 1571 |
| 507 | 1572 return; |
| 1573 } | |
| 1574 | |
| 1575 | |
| 1576 static void | |
| 1577 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 577 | 1578 { |
| 507 | 1579 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1580 "finalize http proxy request"); | |
| 1581 | |
| 1582 return; | |
| 1583 } | |
| 1584 | |
| 1585 | |
| 573 | 1586 static ngx_int_t |
| 1587 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
| 1588 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1589 { |
| 1658 | 1590 ngx_http_proxy_ctx_t *ctx; |
| 1591 | |
| 1592 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1593 | |
| 1594 if (ctx == NULL) { | |
| 1595 v->not_found = 1; | |
| 1596 return NGX_OK; | |
| 1597 } | |
| 1598 | |
| 1599 v->len = ctx->vars.host_header.len; | |
| 577 | 1600 v->valid = 1; |
| 1565 | 1601 v->no_cacheable = 0; |
| 573 | 1602 v->not_found = 0; |
| 1658 | 1603 v->data = ctx->vars.host_header.data; |
| 507 | 1604 |
| 573 | 1605 return NGX_OK; |
| 507 | 1606 } |
| 1607 | |
| 1608 | |
| 573 | 1609 static ngx_int_t |
| 1610 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
| 1611 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1612 { |
| 1658 | 1613 ngx_http_proxy_ctx_t *ctx; |
| 1614 | |
| 1615 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1616 | |
| 1617 if (ctx == NULL) { | |
| 1618 v->not_found = 1; | |
| 1619 return NGX_OK; | |
| 1620 } | |
| 1621 | |
| 1622 v->len = ctx->vars.port.len; | |
| 577 | 1623 v->valid = 1; |
| 1565 | 1624 v->no_cacheable = 0; |
| 573 | 1625 v->not_found = 0; |
| 1658 | 1626 v->data = ctx->vars.port.data; |
| 509 | 1627 |
| 573 | 1628 return NGX_OK; |
| 509 | 1629 } |
| 1630 | |
| 1631 | |
| 573 | 1632 static ngx_int_t |
| 509 | 1633 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 573 | 1634 ngx_http_variable_value_t *v, uintptr_t data) |
| 509 | 1635 { |
| 573 | 1636 u_char *p; |
| 509 | 1637 |
| 577 | 1638 v->valid = 1; |
| 1565 | 1639 v->no_cacheable = 0; |
| 573 | 1640 v->not_found = 0; |
| 509 | 1641 |
| 1642 if (r->headers_in.x_forwarded_for == NULL) { | |
| 573 | 1643 v->len = r->connection->addr_text.len; |
| 1644 v->data = r->connection->addr_text.data; | |
| 1645 return NGX_OK; | |
| 509 | 1646 } |
| 1647 | |
| 573 | 1648 v->len = r->headers_in.x_forwarded_for->value.len |
| 1649 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
| 509 | 1650 |
| 2049 | 1651 p = ngx_pnalloc(r->pool, v->len); |
| 509 | 1652 if (p == NULL) { |
| 573 | 1653 return NGX_ERROR; |
| 509 | 1654 } |
| 1655 | |
| 573 | 1656 v->data = p; |
| 509 | 1657 |
| 573 | 1658 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
| 1659 r->headers_in.x_forwarded_for->value.len); | |
| 509 | 1660 |
| 1661 *p++ = ','; *p++ = ' '; | |
| 1662 | |
| 1663 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
| 1664 | |
| 573 | 1665 return NGX_OK; |
| 509 | 1666 } |
| 1667 | |
| 1668 | |
| 1669 static ngx_int_t | |
| 577 | 1670 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
| 1671 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1672 { | |
| 1658 | 1673 ngx_http_proxy_ctx_t *ctx; |
| 1674 | |
| 1675 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1676 | |
| 1677 if (ctx == NULL) { | |
| 577 | 1678 v->not_found = 1; |
| 1679 return NGX_OK; | |
| 1680 } | |
| 1681 | |
| 1682 v->valid = 1; | |
| 1565 | 1683 v->no_cacheable = 0; |
| 577 | 1684 v->not_found = 0; |
| 1685 | |
| 2049 | 1686 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN); |
| 577 | 1687 |
| 1688 if (v->data == NULL) { | |
| 1689 return NGX_ERROR; | |
| 1690 } | |
| 1691 | |
| 1658 | 1692 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data; |
| 577 | 1693 |
| 1694 return NGX_OK; | |
| 1695 } | |
| 1696 | |
| 1697 | |
| 1698 static ngx_int_t | |
| 509 | 1699 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1700 size_t prefix) | |
| 1701 { | |
| 1702 ngx_int_t rc; | |
| 1703 ngx_uint_t i; | |
| 1704 ngx_http_proxy_loc_conf_t *plcf; | |
| 1705 ngx_http_proxy_redirect_t *pr; | |
| 1706 | |
| 1707 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 1708 | |
| 1709 pr = plcf->redirects->elts; | |
| 1710 | |
| 1711 if (pr == NULL) { | |
| 1712 return NGX_DECLINED; | |
| 1713 } | |
| 1714 | |
| 1715 for (i = 0; i < plcf->redirects->nelts; i++) { | |
| 605 | 1716 rc = pr[i].handler(r, h, prefix, &pr[i]); |
| 509 | 1717 |
| 1718 if (rc != NGX_DECLINED) { | |
| 1719 return rc; | |
| 1720 } | |
| 1721 } | |
| 1722 | |
| 1723 return NGX_DECLINED; | |
| 1724 } | |
| 1725 | |
| 1726 | |
| 1727 static ngx_int_t | |
| 1728 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1729 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1730 { | |
| 1731 size_t len; | |
| 1732 u_char *data, *p; | |
| 1733 | |
| 1734 if (pr->redirect.len > h->value.len - prefix | |
| 1735 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1736 pr->redirect.len) != 0) | |
| 1737 { | |
| 1738 return NGX_DECLINED; | |
| 1739 } | |
| 1740 | |
| 1741 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
| 507 | 1742 |
| 2049 | 1743 data = ngx_pnalloc(r->pool, len); |
| 509 | 1744 if (data == NULL) { |
| 1745 return NGX_ERROR; | |
| 1746 } | |
| 1747 | |
| 1748 p = data; | |
| 1749 | |
| 573 | 1750 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1751 |
| 653 | 1752 if (pr->replacement.text.len) { |
| 1753 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
| 1754 } | |
| 509 | 1755 |
| 1756 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
| 1757 h->value.len - pr->redirect.len - prefix); | |
| 1758 | |
| 1759 h->value.len = len; | |
| 1760 h->value.data = data; | |
| 1761 | |
| 1762 return NGX_OK; | |
| 1763 } | |
| 1764 | |
| 1765 | |
| 1766 static ngx_int_t | |
| 1767 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1768 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1769 { | |
| 1770 size_t len; | |
| 1771 u_char *data, *p; | |
| 1772 ngx_http_script_code_pt code; | |
| 1773 ngx_http_script_engine_t e; | |
| 1774 ngx_http_script_len_code_pt lcode; | |
| 1775 | |
| 1776 if (pr->redirect.len > h->value.len - prefix | |
| 1777 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1778 pr->redirect.len) != 0) | |
| 1779 { | |
| 1780 return NGX_DECLINED; | |
| 1781 } | |
| 1782 | |
| 1783 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 1784 | |
| 1785 e.ip = pr->replacement.vars.lengths; | |
| 1786 e.request = r; | |
| 1787 | |
|
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1788 len = prefix + h->value.len - pr->redirect.len; |
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1789 |
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1790 while (*(uintptr_t *) e.ip) { |
| 509 | 1791 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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1792 len += lcode(&e); |
| 509 | 1793 } |
| 1794 | |
| 2049 | 1795 data = ngx_pnalloc(r->pool, len); |
| 509 | 1796 if (data == NULL) { |
| 1797 return NGX_ERROR; | |
| 1798 } | |
| 1799 | |
| 1800 p = data; | |
| 1801 | |
| 573 | 1802 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1803 |
| 1804 e.ip = pr->replacement.vars.values; | |
| 1805 e.pos = p; | |
| 1806 | |
| 1807 while (*(uintptr_t *) e.ip) { | |
| 1808 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1809 code(&e); | |
| 1810 } | |
| 1811 | |
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1812 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
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1813 h->value.len - pr->redirect.len - prefix); |
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1814 |
| 509 | 1815 h->value.len = len; |
| 1816 h->value.data = data; | |
| 1817 | |
| 1818 return NGX_OK; | |
| 1819 } | |
| 1820 | |
| 1821 | |
| 1822 static ngx_int_t | |
| 1823 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
| 1824 { | |
| 1825 ngx_http_variable_t *var, *v; | |
| 1826 | |
| 1827 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
| 1828 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 1829 if (var == NULL) { | |
| 1830 return NGX_ERROR; | |
| 1831 } | |
| 1832 | |
| 637 | 1833 var->get_handler = v->get_handler; |
| 509 | 1834 var->data = v->data; |
| 1835 } | |
| 1836 | |
| 1837 return NGX_OK; | |
| 507 | 1838 } |
| 1839 | |
| 1840 | |
| 1841 static void * | |
| 1842 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
| 1843 { | |
| 1844 ngx_http_proxy_loc_conf_t *conf; | |
| 1845 | |
| 1846 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
| 1847 if (conf == NULL) { | |
| 1848 return NGX_CONF_ERROR; | |
| 1849 } | |
| 1850 | |
| 1851 /* | |
| 1852 * set by ngx_pcalloc(): | |
| 1853 * | |
| 1854 * conf->upstream.bufs.num = 0; | |
| 1855 * conf->upstream.next_upstream = 0; | |
|
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1856 * conf->upstream.use_stale_cache = 0; |
| 507 | 1857 * conf->upstream.temp_path = NULL; |
| 649 | 1858 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
| 509 | 1859 * conf->upstream.uri = { 0, NULL }; |
| 1860 * conf->upstream.location = NULL; | |
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1861 * conf->upstream.store_lengths = NULL; |
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1862 * conf->upstream.store_values = NULL; |
| 509 | 1863 * |
| 561 | 1864 * conf->method = NULL; |
| 509 | 1865 * conf->headers_source = NULL; |
| 1866 * conf->headers_set_len = NULL; | |
| 1867 * conf->headers_set = NULL; | |
| 1868 * conf->headers_set_hash = NULL; | |
| 577 | 1869 * conf->body_set_len = NULL; |
| 1870 * conf->body_set = NULL; | |
| 1871 * conf->body_source = { 0, NULL }; | |
| 509 | 1872 * conf->rewrite_locations = NULL; |
| 507 | 1873 */ |
| 577 | 1874 |
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1875 conf->upstream.store = NGX_CONF_UNSET; |
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1876 conf->upstream.store_access = NGX_CONF_UNSET_UINT; |
| 581 | 1877 conf->upstream.buffering = NGX_CONF_UNSET; |
| 629 | 1878 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
| 581 | 1879 |
| 507 | 1880 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
| 1881 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 1882 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 1883 | |
| 1884 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
| 581 | 1885 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
| 529 | 1886 |
| 1887 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
| 577 | 1888 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
| 529 | 1889 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
| 509 | 1890 |
| 1891 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
| 1892 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
| 561 | 1893 |
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1894 #if (NGX_HTTP_CACHE) |
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1895 conf->upstream.cache = NGX_CONF_UNSET_PTR; |
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1896 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; |
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1897 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; |
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1898 #endif |
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1899 |
|
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1900 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; |
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1901 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; |
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1902 |
| 657 | 1903 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
| 2184 | 1904 #if (NGX_HTTP_SSL) |
| 1905 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; | |
| 1906 #endif | |
| 507 | 1907 |
| 1908 /* "proxy_cyclic_temp_file" is disabled */ | |
| 1909 conf->upstream.cyclic_temp_file = 0; | |
| 1910 | |
| 509 | 1911 conf->redirect = NGX_CONF_UNSET; |
| 649 | 1912 conf->upstream.change_buffering = 1; |
| 507 | 1913 |
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1914 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
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1915 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
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1916 |
| 507 | 1917 return conf; |
| 1918 } | |
| 1919 | |
| 1920 | |
| 1921 static char * | |
| 1922 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1923 { | |
| 1924 ngx_http_proxy_loc_conf_t *prev = parent; | |
| 1925 ngx_http_proxy_loc_conf_t *conf = child; | |
| 1926 | |
|
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1927 size_t size; |
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1928 ngx_keyval_t *s; |
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1929 ngx_hash_init_t hash; |
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1930 ngx_http_proxy_redirect_t *pr; |
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1931 ngx_http_script_compile_t sc; |
| 509 | 1932 |
|
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1933 if (conf->upstream.store != 0) { |
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1934 ngx_conf_merge_value(conf->upstream.store, |
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1935 prev->upstream.store, 0); |
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1936 |
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1937 if (conf->upstream.store_lengths == NULL) { |
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1938 conf->upstream.store_lengths = prev->upstream.store_lengths; |
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1939 conf->upstream.store_values = prev->upstream.store_values; |
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1940 } |
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1941 } |
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1942 |
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1943 ngx_conf_merge_uint_value(conf->upstream.store_access, |
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1944 prev->upstream.store_access, 0600); |
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1945 |
| 581 | 1946 ngx_conf_merge_value(conf->upstream.buffering, |
| 1947 prev->upstream.buffering, 1); | |
| 1948 | |
| 629 | 1949 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
| 1950 prev->upstream.ignore_client_abort, 0); | |
| 1951 | |
| 507 | 1952 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
| 1953 prev->upstream.connect_timeout, 60000); | |
| 1954 | |
| 1955 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 1956 prev->upstream.send_timeout, 60000); | |
| 1957 | |
| 1958 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 1959 prev->upstream.read_timeout, 60000); | |
| 1960 | |
| 1961 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
| 1962 prev->upstream.send_lowat, 0); | |
| 1963 | |
| 581 | 1964 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
| 1965 prev->upstream.buffer_size, | |
| 507 | 1966 (size_t) ngx_pagesize); |
| 1967 | |
| 1968 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
| 1969 8, ngx_pagesize); | |
| 1970 | |
| 1971 if (conf->upstream.bufs.num < 2) { | |
| 577 | 1972 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 507 | 1973 "there must be at least 2 \"proxy_buffers\""); |
| 1974 return NGX_CONF_ERROR; | |
| 1975 } | |
| 577 | 1976 |
| 507 | 1977 |
| 581 | 1978 size = conf->upstream.buffer_size; |
| 577 | 1979 if (size < conf->upstream.bufs.size) { |
| 507 | 1980 size = conf->upstream.bufs.size; |
| 1981 } | |
| 1982 | |
| 1983 | |
| 529 | 1984 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
| 1985 prev->upstream.busy_buffers_size_conf, | |
| 507 | 1986 NGX_CONF_UNSET_SIZE); |
| 1987 | |
| 529 | 1988 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1989 conf->upstream.busy_buffers_size = 2 * size; |
| 529 | 1990 } else { |
| 1991 conf->upstream.busy_buffers_size = | |
| 1992 conf->upstream.busy_buffers_size_conf; | |
| 1993 } | |
| 577 | 1994 |
| 529 | 1995 if (conf->upstream.busy_buffers_size < size) { |
| 507 | 1996 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1997 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
|
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1998 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 1999 "one of the \"proxy_buffers\""); |
| 2000 | |
| 2001 return NGX_CONF_ERROR; | |
| 529 | 2002 } |
| 507 | 2003 |
| 529 | 2004 if (conf->upstream.busy_buffers_size |
| 2005 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
| 507 | 2006 { |
| 2007 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2008 "\"proxy_busy_buffers_size\" must be less than " | |
| 2009 "the size of all \"proxy_buffers\" minus one buffer"); | |
| 2010 | |
| 2011 return NGX_CONF_ERROR; | |
| 2012 } | |
| 529 | 2013 |
| 507 | 2014 |
| 529 | 2015 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
| 2016 prev->upstream.temp_file_write_size_conf, | |
| 507 | 2017 NGX_CONF_UNSET_SIZE); |
| 2018 | |
| 529 | 2019 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 2020 conf->upstream.temp_file_write_size = 2 * size; |
| 529 | 2021 } else { |
| 2022 conf->upstream.temp_file_write_size = | |
| 2023 conf->upstream.temp_file_write_size_conf; | |
| 2024 } | |
| 577 | 2025 |
| 529 | 2026 if (conf->upstream.temp_file_write_size < size) { |
| 507 | 2027 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2028 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
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2029 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 2030 "one of the \"proxy_buffers\""); |
| 2031 | |
| 2032 return NGX_CONF_ERROR; | |
| 2033 } | |
| 2034 | |
| 529 | 2035 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
| 2036 prev->upstream.max_temp_file_size_conf, | |
| 507 | 2037 NGX_CONF_UNSET_SIZE); |
| 2038 | |
| 529 | 2039 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 2040 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
| 529 | 2041 } else { |
| 2042 conf->upstream.max_temp_file_size = | |
| 2043 conf->upstream.max_temp_file_size_conf; | |
| 2044 } | |
| 507 | 2045 |
| 529 | 2046 if (conf->upstream.max_temp_file_size != 0 |
| 2047 && conf->upstream.max_temp_file_size < size) | |
| 507 | 2048 { |
| 2049 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 561 | 2050 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
| 507 | 2051 "the temporary files usage or must be equal or bigger than " |
|
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2052 "maximum of the value of \"proxy_buffer_size\" and " |
| 561 | 2053 "one of the \"proxy_buffers\""); |
| 507 | 2054 |
| 2055 return NGX_CONF_ERROR; | |
| 2056 } | |
| 2057 | |
| 529 | 2058 |
| 507 | 2059 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
| 2060 prev->upstream.next_upstream, | |
| 2061 (NGX_CONF_BITMASK_SET | |
| 2062 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 2063 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 2064 | |
| 665 | 2065 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
| 2066 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 2067 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 2068 } | |
| 2069 | |
|
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2070 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, |
| 509 | 2071 prev->upstream.temp_path, |
|
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2072 &ngx_http_proxy_temp_path) |
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2073 != NGX_OK) |
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2074 { |
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2075 return NGX_CONF_ERROR; |
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2076 } |
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2077 |
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2078 |
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2079 #if (NGX_HTTP_CACHE) |
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2080 |
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2081 ngx_conf_merge_ptr_value(conf->upstream.cache, |
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2082 prev->upstream.cache, NULL); |
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2083 |
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2084 if (conf->upstream.cache && conf->upstream.cache->data == NULL) { |
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2085 ngx_shm_zone_t *shm_zone; |
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2086 |
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2087 shm_zone = conf->upstream.cache; |
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2088 |
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2089 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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2090 "\"proxy_cache\" zone \"%V\" is unknown", |
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2091 &shm_zone->name); |
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2092 |
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2093 return NGX_CONF_ERROR; |
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2094 } |
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2095 |
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2096 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, |
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2097 prev->upstream.cache_min_uses, 1); |
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2098 |
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2099 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, |
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2100 prev->upstream.cache_use_stale, |
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2101 (NGX_CONF_BITMASK_SET |
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2102 |NGX_HTTP_UPSTREAM_FT_OFF)); |
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2103 |
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2104 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { |
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2105 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET |
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2106 |NGX_HTTP_UPSTREAM_FT_OFF; |
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2107 } |
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2108 |
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2109 ngx_conf_merge_ptr_value(conf->upstream.cache_valid, |
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2110 prev->upstream.cache_valid, NULL); |
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2111 |
| 2672 | 2112 if (conf->cache_key.value.data == NULL) { |
| 2113 conf->cache_key = prev->cache_key; | |
| 2114 } | |
| 2115 | |
|
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2116 #endif |
| 507 | 2117 |
| 561 | 2118 if (conf->method.len == 0) { |
| 2119 conf->method = prev->method; | |
| 2120 | |
| 2121 } else { | |
| 2122 conf->method.data[conf->method.len] = ' '; | |
| 2123 conf->method.len++; | |
| 509 | 2124 } |
| 2125 | |
| 2126 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
| 2127 prev->upstream.pass_request_headers, 1); | |
| 2128 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
| 2129 prev->upstream.pass_request_body, 1); | |
| 2130 | |
| 657 | 2131 ngx_conf_merge_value(conf->upstream.intercept_errors, |
| 2132 prev->upstream.intercept_errors, 0); | |
| 509 | 2133 |
| 2184 | 2134 #if (NGX_HTTP_SSL) |
| 2135 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
| 2136 prev->upstream.ssl_session_reuse, 1); | |
| 2137 #endif | |
| 2138 | |
| 509 | 2139 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); |
| 2140 | |
| 2141 if (conf->redirect) { | |
| 507 | 2142 |
| 509 | 2143 if (conf->redirects == NULL) { |
| 2144 conf->redirects = prev->redirects; | |
| 2145 } | |
| 2146 | |
| 1658 | 2147 if (conf->redirects == NULL && conf->url.data) { |
| 509 | 2148 |
| 2149 conf->redirects = ngx_array_create(cf->pool, 1, | |
| 2150 sizeof(ngx_http_proxy_redirect_t)); | |
| 2151 if (conf->redirects == NULL) { | |
| 2152 return NGX_CONF_ERROR; | |
| 2153 } | |
| 2154 | |
| 2155 pr = ngx_array_push(conf->redirects); | |
| 2156 if (pr == NULL) { | |
| 2157 return NGX_CONF_ERROR; | |
| 2158 } | |
| 2159 | |
| 2160 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 1658 | 2161 pr->redirect = conf->url; |
| 2162 | |
| 2163 if (conf->vars.uri.len) { | |
| 2164 pr->replacement.text = conf->location; | |
| 653 | 2165 |
| 2166 } else { | |
| 2167 pr->replacement.text.len = 0; | |
| 2168 pr->replacement.text.data = NULL; | |
| 2169 } | |
| 509 | 2170 } |
| 2171 } | |
| 2172 | |
| 1658 | 2173 /* STUB */ |
| 2174 if (prev->proxy_lengths) { | |
| 2175 conf->proxy_lengths = prev->proxy_lengths; | |
| 2176 conf->proxy_values = prev->proxy_values; | |
| 2177 } | |
| 2178 | |
|
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2179 ngx_conf_merge_uint_value(conf->headers_hash_max_size, |
|
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2180 prev->headers_hash_max_size, 512); |
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2181 |
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Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2182 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2183 prev->headers_hash_bucket_size, 64); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2184 |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2185 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size, |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2186 ngx_cacheline_size); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2187 |
|
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2188 hash.max_size = conf->headers_hash_max_size; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2189 hash.bucket_size = conf->headers_hash_bucket_size; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2190 hash.name = "proxy_headers_hash"; |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2191 |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2192 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2193 &prev->upstream, |
|
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2194 ngx_http_proxy_hide_headers, &hash) |
| 649 | 2195 != NGX_OK) |
| 2196 { | |
| 2197 return NGX_CONF_ERROR; | |
| 2198 } | |
| 2199 | |
| 884 | 2200 if (conf->upstream.upstream == NULL) { |
| 2201 conf->upstream.upstream = prev->upstream.upstream; | |
| 1658 | 2202 conf->vars = prev->vars; |
| 507 | 2203 } |
| 2204 | |
| 577 | 2205 |
| 2206 if (conf->body_source.data == NULL) { | |
| 2207 conf->body_source = prev->body_source; | |
| 2208 conf->body_set_len = prev->body_set_len; | |
| 2209 conf->body_set = prev->body_set; | |
| 2210 } | |
| 2211 | |
| 579 | 2212 if (conf->body_source.data && conf->body_set_len == NULL) { |
| 577 | 2213 |
| 2214 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2215 | |
| 2216 sc.cf = cf; | |
| 2217 sc.source = &conf->body_source; | |
| 2218 sc.flushes = &conf->flushes; | |
| 2219 sc.lengths = &conf->body_set_len; | |
| 2220 sc.values = &conf->body_set; | |
| 2221 sc.complete_lengths = 1; | |
| 2222 sc.complete_values = 1; | |
| 2223 | |
| 2224 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2225 return NGX_CONF_ERROR; | |
| 2226 } | |
| 2227 | |
| 2228 if (conf->headers_source == NULL) { | |
| 2229 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 2230 sizeof(ngx_keyval_t)); |
| 577 | 2231 if (conf->headers_source == NULL) { |
| 2232 return NGX_CONF_ERROR; | |
| 2233 } | |
| 2234 } | |
| 2235 | |
| 2236 s = ngx_array_push(conf->headers_source); | |
| 2237 if (s == NULL) { | |
| 2238 return NGX_CONF_ERROR; | |
| 2239 } | |
| 2240 | |
| 2241 s->key.len = sizeof("Content-Length") - 1; | |
| 2242 s->key.data = (u_char *) "Content-Length"; | |
| 2243 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
| 2244 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
| 2245 } | |
| 2246 | |
|
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2247 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) { |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2248 return NGX_CONF_ERROR; |
|
3a8a53c0c42f
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parents:
2430
diff
changeset
|
2249 } |
|
3a8a53c0c42f
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diff
changeset
|
2250 |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2251 return NGX_CONF_OK; |
|
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parents:
2430
diff
changeset
|
2252 } |
|
3a8a53c0c42f
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diff
changeset
|
2253 |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2254 |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2255 static ngx_int_t |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2256 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf, |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2257 ngx_http_proxy_loc_conf_t *prev) |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2258 { |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2259 u_char *p; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2260 size_t size; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2261 uintptr_t *code; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2262 ngx_uint_t i; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2263 ngx_keyval_t *src, *s, *h; |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2264 ngx_hash_key_t *hk; |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2265 ngx_hash_init_t hash; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2266 ngx_http_script_compile_t sc; |
|
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2267 ngx_http_script_copy_code_t *copy; |
| 577 | 2268 |
| 509 | 2269 if (conf->headers_source == NULL) { |
| 573 | 2270 conf->flushes = prev->flushes; |
| 507 | 2271 conf->headers_set_len = prev->headers_set_len; |
| 2272 conf->headers_set = prev->headers_set; | |
| 2273 conf->headers_set_hash = prev->headers_set_hash; | |
| 573 | 2274 conf->headers_source = prev->headers_source; |
| 507 | 2275 } |
| 2276 | |
| 649 | 2277 if (conf->headers_set_hash.buckets) { |
|
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2278 return NGX_OK; |
| 509 | 2279 } |
| 2280 | |
| 2281 | |
| 649 | 2282 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
| 509 | 2283 if (conf->headers_names == NULL) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2284 return NGX_ERROR; |
| 509 | 2285 } |
| 2286 | |
| 2287 if (conf->headers_source == NULL) { | |
| 2288 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 2289 sizeof(ngx_keyval_t)); |
| 509 | 2290 if (conf->headers_source == NULL) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2291 return NGX_ERROR; |
| 509 | 2292 } |
| 2293 } | |
| 507 | 2294 |
| 509 | 2295 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
| 2296 if (conf->headers_set_len == NULL) { | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2297 return NGX_ERROR; |
| 509 | 2298 } |
| 2299 | |
| 2300 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
| 2301 if (conf->headers_set == NULL) { | |
|
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2302 return NGX_ERROR; |
| 509 | 2303 } |
| 2304 | |
| 2305 | |
| 2306 src = conf->headers_source->elts; | |
| 2307 | |
|
2705
d040c3786239
do not pass if-... headers for cacheable responses
Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2308 #if (NGX_HTTP_CACHE) |
|
d040c3786239
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2672
diff
changeset
|
2309 |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2310 h = conf->upstream.cache ? ngx_http_proxy_cache_headers: |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2311 ngx_http_proxy_headers; |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2312 #else |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2313 |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2314 h = ngx_http_proxy_headers; |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2315 |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2316 #endif |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2317 |
|
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2318 while (h->key.len) { |
| 509 | 2319 |
| 2320 for (i = 0; i < conf->headers_source->nelts; i++) { | |
| 2321 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 2322 goto next; | |
| 507 | 2323 } |
| 2324 } | |
| 2325 | |
| 509 | 2326 s = ngx_array_push(conf->headers_source); |
| 2327 if (s == NULL) { | |
|
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3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2328 return NGX_ERROR; |
| 507 | 2329 } |
| 2330 | |
| 509 | 2331 *s = *h; |
| 507 | 2332 |
| 517 | 2333 src = conf->headers_source->elts; |
| 2334 | |
| 509 | 2335 next: |
| 507 | 2336 |
|
2705
d040c3786239
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Igor Sysoev <igor@sysoev.ru>
parents:
2672
diff
changeset
|
2337 h++; |
| 509 | 2338 } |
| 507 | 2339 |
| 577 | 2340 |
| 2341 src = conf->headers_source->elts; | |
| 509 | 2342 for (i = 0; i < conf->headers_source->nelts; i++) { |
| 507 | 2343 |
| 649 | 2344 hk = ngx_array_push(conf->headers_names); |
| 2345 if (hk == NULL) { | |
|
2592
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2346 return NGX_ERROR; |
| 507 | 2347 } |
| 2348 | |
| 649 | 2349 hk->key = src[i].key; |
| 2350 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
| 2351 hk->value = (void *) 1; | |
| 509 | 2352 |
| 519 | 2353 if (src[i].value.len == 0) { |
| 2354 continue; | |
| 2355 } | |
| 2356 | |
| 509 | 2357 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
| 2358 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2359 sizeof(ngx_http_script_copy_code_t)); | |
| 2360 if (copy == NULL) { | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2361 return NGX_ERROR; |
| 509 | 2362 } |
| 2363 | |
| 2364 copy->code = (ngx_http_script_code_pt) | |
| 2365 ngx_http_script_copy_len_code; | |
| 2366 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 2367 + src[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 2368 |
| 2369 | |
| 509 | 2370 size = (sizeof(ngx_http_script_copy_code_t) |
| 2371 + src[i].key.len + sizeof(": ") - 1 | |
| 2372 + src[i].value.len + sizeof(CRLF) - 1 | |
| 2373 + sizeof(uintptr_t) - 1) | |
| 2374 & ~(sizeof(uintptr_t) - 1); | |
| 2375 | |
| 2376 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2377 if (copy == NULL) { | |
|
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parents:
2430
diff
changeset
|
2378 return NGX_ERROR; |
| 509 | 2379 } |
| 2380 | |
| 2381 copy->code = ngx_http_script_copy_code; | |
| 2382 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 2383 + src[i].value.len + sizeof(CRLF) - 1; | |
| 2384 | |
| 2385 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2386 | |
| 2387 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2388 *p++ = ':'; *p++ = ' '; | |
| 2389 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
| 2390 *p++ = CR; *p = LF; | |
| 2391 | |
| 2392 } else { | |
| 2393 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2394 sizeof(ngx_http_script_copy_code_t)); | |
| 2395 if (copy == NULL) { | |
|
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parents:
2430
diff
changeset
|
2396 return NGX_ERROR; |
| 509 | 2397 } |
| 2398 | |
| 2399 copy->code = (ngx_http_script_code_pt) | |
| 2400 ngx_http_script_copy_len_code; | |
| 2401 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 507 | 2402 |
| 2403 | |
| 509 | 2404 size = (sizeof(ngx_http_script_copy_code_t) |
| 2405 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
| 2406 & ~(sizeof(uintptr_t) - 1); | |
| 2407 | |
| 2408 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2409 if (copy == NULL) { | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2410 return NGX_ERROR; |
| 509 | 2411 } |
| 2412 | |
| 2413 copy->code = ngx_http_script_copy_code; | |
| 2414 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 2415 | |
| 2416 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2417 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2418 *p++ = ':'; *p = ' '; | |
| 2419 | |
| 2420 | |
| 2421 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2422 | |
| 2423 sc.cf = cf; | |
| 2424 sc.source = &src[i].value; | |
| 573 | 2425 sc.flushes = &conf->flushes; |
| 509 | 2426 sc.lengths = &conf->headers_set_len; |
| 2427 sc.values = &conf->headers_set; | |
| 2428 | |
| 2429 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
|
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Igor Sysoev <igor@sysoev.ru>
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2430
diff
changeset
|
2430 return NGX_ERROR; |
| 509 | 2431 } |
| 2432 | |
| 2433 | |
| 2434 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2435 sizeof(ngx_http_script_copy_code_t)); | |
| 2436 if (copy == NULL) { | |
|
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parents:
2430
diff
changeset
|
2437 return NGX_ERROR; |
| 509 | 2438 } |
| 2439 | |
| 2440 copy->code = (ngx_http_script_code_pt) | |
| 2441 ngx_http_script_copy_len_code; | |
| 2442 copy->len = sizeof(CRLF) - 1; | |
| 2443 | |
| 2444 | |
| 2445 size = (sizeof(ngx_http_script_copy_code_t) | |
| 2446 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
| 2447 & ~(sizeof(uintptr_t) - 1); | |
| 2448 | |
| 2449 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2450 if (copy == NULL) { | |
|
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parents:
2430
diff
changeset
|
2451 return NGX_ERROR; |
| 509 | 2452 } |
| 2453 | |
| 2454 copy->code = ngx_http_script_copy_code; | |
| 2455 copy->len = sizeof(CRLF) - 1; | |
| 2456 | |
| 2457 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2458 *p++ = CR; *p = LF; | |
| 507 | 2459 } |
| 2460 | |
| 509 | 2461 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2462 if (code == NULL) { | |
|
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2430
diff
changeset
|
2463 return NGX_ERROR; |
| 507 | 2464 } |
| 2465 | |
| 509 | 2466 *code = (uintptr_t) NULL; |
| 2467 | |
| 2468 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
| 2469 if (code == NULL) { | |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2470 return NGX_ERROR; |
| 509 | 2471 } |
| 2472 | |
| 2473 *code = (uintptr_t) NULL; | |
| 507 | 2474 } |
| 2475 | |
| 509 | 2476 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2477 if (code == NULL) { | |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2478 return NGX_ERROR; |
| 507 | 2479 } |
| 2480 | |
| 509 | 2481 *code = (uintptr_t) NULL; |
| 507 | 2482 |
| 2483 | |
| 649 | 2484 hash.hash = &conf->headers_set_hash; |
| 2485 hash.key = ngx_hash_key_lc; | |
|
1180
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2486 hash.max_size = conf->headers_hash_max_size; |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2487 hash.bucket_size = conf->headers_hash_bucket_size; |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2488 hash.name = "proxy_headers_hash"; |
| 649 | 2489 hash.pool = cf->pool; |
| 2490 hash.temp_pool = NULL; | |
| 2491 | |
| 2492 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
| 2493 conf->headers_names->nelts) | |
| 2494 != NGX_OK) | |
| 2495 { | |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2496 return NGX_ERROR; |
| 649 | 2497 } |
| 2498 | |
|
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2499 return NGX_OK; |
| 507 | 2500 } |
| 2501 | |
| 2502 | |
| 2503 static char * | |
| 2504 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 2505 { | |
| 509 | 2506 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 507 | 2507 |
| 1658 | 2508 size_t add; |
| 2509 u_short port; | |
| 2510 ngx_str_t *value, *url; | |
| 2511 ngx_url_t u; | |
| 2512 ngx_uint_t n; | |
| 2513 ngx_http_core_loc_conf_t *clcf; | |
| 2514 ngx_http_script_compile_t sc; | |
| 507 | 2515 |
|
2391
d88e757cc7d8
delete surplus upstream.schema field
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
2516 if (plcf->upstream.upstream || plcf->proxy_lengths) { |
| 555 | 2517 return "is duplicate"; |
| 2518 } | |
| 2519 | |
| 1658 | 2520 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
| 2521 | |
| 507 | 2522 value = cf->args->elts; |
| 2523 | |
| 2524 url = &value[1]; | |
| 2525 | |
| 1658 | 2526 n = ngx_http_script_variables_count(url); |
| 2527 | |
| 2528 if (n) { | |
| 2529 | |
| 2530 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2531 | |
| 2532 sc.cf = cf; | |
| 2533 sc.source = url; | |
| 2534 sc.lengths = &plcf->proxy_lengths; | |
| 2535 sc.values = &plcf->proxy_values; | |
| 2536 sc.variables = n; | |
| 2537 sc.complete_lengths = 1; | |
| 2538 sc.complete_values = 1; | |
|
1679
ca317d9b5c09
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1671
diff
changeset
|
2539 |
| 1658 | 2540 if (ngx_http_script_compile(&sc) != NGX_OK) { |
| 2541 return NGX_CONF_ERROR; | |
| 2542 } | |
| 2543 | |
| 2544 #if (NGX_HTTP_SSL) | |
| 2545 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { | |
| 2546 return NGX_CONF_ERROR; | |
| 2547 } | |
| 2548 #endif | |
| 2549 | |
| 2550 clcf->handler = ngx_http_proxy_handler; | |
| 2551 | |
| 2552 return NGX_CONF_OK; | |
| 2553 } | |
| 2554 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2555 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
| 577 | 2556 add = 7; |
| 591 | 2557 port = 80; |
| 577 | 2558 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2559 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
| 577 | 2560 |
| 2561 #if (NGX_HTTP_SSL) | |
| 1658 | 2562 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { |
| 2563 return NGX_CONF_ERROR; | |
| 2564 } | |
| 577 | 2565 |
| 2566 add = 8; | |
| 591 | 2567 port = 443; |
| 577 | 2568 #else |
| 2569 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2570 "https protocol requires SSL support"); | |
| 2571 return NGX_CONF_ERROR; | |
| 2572 #endif | |
| 2573 | |
| 2574 } else { | |
| 507 | 2575 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
| 2576 return NGX_CONF_ERROR; | |
| 2577 } | |
| 2578 | |
| 651 | 2579 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 2580 | |
| 2581 u.url.len = url->len - add; | |
| 2582 u.url.data = url->data + add; | |
| 906 | 2583 u.default_port = port; |
| 2584 u.uri_part = 1; | |
| 884 | 2585 u.no_resolve = 1; |
| 2586 | |
| 2587 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 2588 if (plcf->upstream.upstream == NULL) { | |
| 507 | 2589 return NGX_CONF_ERROR; |
| 2590 } | |
| 2591 | |
|
2391
d88e757cc7d8
delete surplus upstream.schema field
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
2592 plcf->vars.schema.len = add; |
|
d88e757cc7d8
delete surplus upstream.schema field
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
2593 plcf->vars.schema.data = url->data; |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2594 plcf->vars.key_start = plcf->vars.schema; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2595 |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2596 ngx_http_proxy_set_vars(&u, &plcf->vars); |
| 507 | 2597 |
| 2598 clcf->handler = ngx_http_proxy_handler; | |
| 2599 | |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2600 plcf->location = clcf->name; |
|
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2601 |
| 1353 | 2602 if (clcf->named |
| 507 | 2603 #if (NGX_PCRE) |
| 1353 | 2604 || clcf->regex |
| 2605 #endif | |
| 2606 || clcf->noname) | |
| 2607 { | |
| 1658 | 2608 if (plcf->vars.uri.len) { |
| 573 | 2609 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2610 "\"proxy_pass\" may not have URI part in " | |
|
843
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2611 "location given by regular expression, " |
| 1353 | 2612 "or inside named location, " |
|
843
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2613 "or inside the \"if\" statement, " |
|
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2614 "or inside the \"limit_except\" block"); |
| 573 | 2615 return NGX_CONF_ERROR; |
| 2616 } | |
| 2617 | |
| 1658 | 2618 plcf->location.len = 0; |
| 555 | 2619 } |
| 2620 | |
| 1658 | 2621 plcf->url = *url; |
| 509 | 2622 |
| 507 | 2623 if (clcf->name.data[clcf->name.len - 1] == '/') { |
| 2624 clcf->auto_redirect = 1; | |
| 2625 } | |
| 2626 | |
| 2627 return NGX_CONF_OK; | |
| 2628 } | |
| 2629 | |
| 2630 | |
| 2631 static char * | |
| 509 | 2632 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 507 | 2633 { |
| 509 | 2634 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2635 | |
| 2636 ngx_str_t *value; | |
| 2637 ngx_array_t *vars_lengths, *vars_values; | |
| 2638 ngx_http_script_compile_t sc; | |
| 2639 ngx_http_proxy_redirect_t *pr; | |
| 2640 | |
| 2641 if (plcf->redirect == 0) { | |
| 2642 return NGX_CONF_OK; | |
| 2643 } | |
| 2644 | |
| 2645 value = cf->args->elts; | |
| 2646 | |
| 2647 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 2648 plcf->redirect = 0; | |
| 2649 plcf->redirects = NULL; | |
| 2650 return NGX_CONF_OK; | |
| 2651 } | |
| 2652 | |
| 2653 if (plcf->redirects == NULL) { | |
| 2654 plcf->redirects = ngx_array_create(cf->pool, 1, | |
| 2655 sizeof(ngx_http_proxy_redirect_t)); | |
| 2656 if (plcf->redirects == NULL) { | |
| 2657 return NGX_CONF_ERROR; | |
| 2658 } | |
| 2659 } | |
| 2660 | |
| 2661 pr = ngx_array_push(plcf->redirects); | |
| 2662 if (pr == NULL) { | |
| 2663 return NGX_CONF_ERROR; | |
| 2664 } | |
| 2665 | |
| 2666 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
| 1658 | 2667 if (plcf->url.data == NULL) { |
| 509 | 2668 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2669 "\"proxy_rewrite_location default\" must go " | |
| 2670 "after the \"proxy_pass\" directive"); | |
| 2671 return NGX_CONF_ERROR; | |
| 2672 } | |
| 2673 | |
| 2674 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 1658 | 2675 pr->redirect = plcf->url; |
| 2676 | |
| 2677 if (plcf->vars.uri.len) { | |
| 2678 pr->replacement.text = plcf->location; | |
| 653 | 2679 |
| 2680 } else { | |
| 2681 pr->replacement.text.len = 0; | |
| 2682 pr->replacement.text.data = NULL; | |
| 2683 } | |
| 509 | 2684 |
| 2685 return NGX_CONF_OK; | |
| 2686 } | |
| 2687 | |
| 2688 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
| 2689 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 2690 pr->redirect = value[1]; | |
| 2691 pr->replacement.text = value[2]; | |
| 2692 | |
| 2693 return NGX_CONF_OK; | |
| 2694 } | |
| 2695 | |
| 2696 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2697 | |
| 2698 vars_lengths = NULL; | |
| 2699 vars_values = NULL; | |
| 2700 | |
| 2701 sc.cf = cf; | |
| 2702 sc.source = &value[2]; | |
| 2703 sc.lengths = &vars_lengths; | |
| 2704 sc.values = &vars_values; | |
| 2705 sc.complete_lengths = 1; | |
| 2706 sc.complete_values = 1; | |
| 2707 | |
| 2708 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2709 return NGX_CONF_ERROR; | |
| 2710 } | |
| 2711 | |
| 2712 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
| 2713 pr->redirect = value[1]; | |
| 2714 pr->replacement.vars.lengths = vars_lengths->elts; | |
| 2715 pr->replacement.vars.values = vars_values->elts; | |
| 2716 | |
| 507 | 2717 return NGX_CONF_OK; |
| 2718 } | |
| 2719 | |
| 2720 | |
| 2721 static char * | |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2722 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2723 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2724 ngx_http_proxy_loc_conf_t *plcf = conf; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2725 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2726 ngx_str_t *value; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2727 ngx_http_script_compile_t sc; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2728 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2729 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths) |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2730 { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2731 return "is duplicate"; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2732 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2733 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2734 value = cf->args->elts; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2735 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2736 if (ngx_strcmp(value[1].data, "on") == 0) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2737 plcf->upstream.store = 1; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2738 return NGX_CONF_OK; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2739 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2740 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2741 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2742 plcf->upstream.store = 0; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2743 return NGX_CONF_OK; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2744 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2745 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2746 /* include the terminating '\0' into script */ |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2747 value[1].len++; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2748 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2749 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2750 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2751 sc.cf = cf; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2752 sc.source = &value[1]; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2753 sc.lengths = &plcf->upstream.store_lengths; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2754 sc.values = &plcf->upstream.store_values; |
|
1563
022ec9420f80
style fix: remove double semicolons
Igor Sysoev <igor@sysoev.ru>
parents:
1488
diff
changeset
|
2755 sc.variables = ngx_http_script_variables_count(&value[1]); |
|
1295
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2756 sc.complete_lengths = 1; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2757 sc.complete_values = 1; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2758 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2759 if (ngx_http_script_compile(&sc) != NGX_OK) { |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2760 return NGX_CONF_ERROR; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2761 } |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2762 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2763 return NGX_CONF_OK; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2764 } |
|
5383f5232364
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2765 |
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2766 |
|
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2767 #if (NGX_HTTP_CACHE) |
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2768 |
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2769 static char * |
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2770 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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2771 { |
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2772 ngx_http_proxy_loc_conf_t *plcf = conf; |
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2773 |
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2774 ngx_str_t *value; |
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2775 |
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2776 value = cf->args->elts; |
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2777 |
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2778 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) { |
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2779 return "is duplicate"; |
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2780 } |
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2781 |
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2782 if (ngx_strcmp(value[1].data, "off") == 0) { |
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2783 plcf->upstream.cache = NULL; |
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2784 return NGX_CONF_OK; |
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2785 } |
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2786 |
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2787 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, |
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2788 &ngx_http_proxy_module); |
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2789 if (plcf->upstream.cache == NULL) { |
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2790 return NGX_CONF_ERROR; |
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2791 } |
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2792 |
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2793 return NGX_CONF_OK; |
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2794 } |
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2795 |
| 2672 | 2796 |
| 2797 static char * | |
| 2798 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 2799 { | |
| 2800 ngx_http_proxy_loc_conf_t *plcf = conf; | |
| 2801 | |
| 2802 ngx_str_t *value; | |
| 2803 ngx_http_compile_complex_value_t ccv; | |
| 2804 | |
| 2805 value = cf->args->elts; | |
| 2806 | |
| 2807 if (plcf->cache_key.value.len) { | |
| 2808 return "is duplicate"; | |
| 2809 } | |
| 2810 | |
| 2811 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
| 2812 | |
| 2813 ccv.cf = cf; | |
| 2814 ccv.value = &value[1]; | |
| 2815 ccv.complex_value = &plcf->cache_key; | |
| 2816 | |
| 2817 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
| 2818 return NGX_CONF_ERROR; | |
| 2819 } | |
| 2820 | |
| 2821 return NGX_CONF_OK; | |
| 2822 } | |
| 2823 | |
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2824 #endif |
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2825 |
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2826 |
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2827 static char * |
| 507 | 2828 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) |
| 2829 { | |
| 2830 #if (NGX_FREEBSD) | |
| 2831 ssize_t *np = data; | |
| 2832 | |
| 673 | 2833 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
| 507 | 2834 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2835 "\"proxy_send_lowat\" must be less than %d " | |
| 2836 "(sysctl net.inet.tcp.sendspace)", | |
| 2837 ngx_freebsd_net_inet_tcp_sendspace); | |
| 2838 | |
| 2839 return NGX_CONF_ERROR; | |
| 2840 } | |
| 2841 | |
| 2842 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
| 2843 ssize_t *np = data; | |
| 2844 | |
| 2845 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 2846 "\"proxy_send_lowat\" is not supported, ignored"); | |
| 2847 | |
| 2848 *np = 0; | |
| 2849 | |
| 2850 #endif | |
| 2851 | |
| 2852 return NGX_CONF_OK; | |
| 2853 } | |
| 884 | 2854 |
| 2855 | |
| 2856 static char * | |
| 2857 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
| 2858 ngx_command_t *cmd, void *conf) | |
| 2859 { | |
| 2860 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2861 "\"proxy_upstream_max_fails\" is not supported, " | |
| 2862 "use the \"max_fails\" parameter of the \"server\" directive ", | |
| 2863 "inside the \"upstream\" block"); | |
| 2864 | |
| 2865 return NGX_CONF_ERROR; | |
| 2866 } | |
| 2867 | |
| 2868 | |
| 2869 static char * | |
| 2870 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 2871 ngx_command_t *cmd, void *conf) | |
| 2872 { | |
| 2873 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2874 "\"proxy_upstream_fail_timeout\" is not supported, " | |
| 2875 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
| 2876 "inside the \"upstream\" block"); | |
| 2877 | |
| 2878 return NGX_CONF_ERROR; | |
| 2879 } | |
| 1658 | 2880 |
| 2881 | |
| 2882 #if (NGX_HTTP_SSL) | |
| 2883 | |
| 2884 static ngx_int_t | |
| 2885 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf) | |
| 2886 { | |
| 2887 ngx_pool_cleanup_t *cln; | |
| 2888 | |
| 2889 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 2890 if (plcf->upstream.ssl == NULL) { | |
| 2891 return NGX_ERROR; | |
| 2892 } | |
| 2893 | |
| 2894 plcf->upstream.ssl->log = cf->log; | |
| 2895 | |
| 2896 if (ngx_ssl_create(plcf->upstream.ssl, | |
| 2897 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) | |
| 2898 != NGX_OK) | |
| 2899 { | |
| 2900 return NGX_ERROR; | |
| 2901 } | |
| 2902 | |
| 2903 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 2904 if (cln == NULL) { | |
| 2905 return NGX_ERROR; | |
| 2906 } | |
| 2907 | |
| 2908 cln->handler = ngx_ssl_cleanup_ctx; | |
| 2909 cln->data = plcf->upstream.ssl; | |
| 2910 | |
| 2911 return NGX_OK; | |
| 2912 } | |
| 2913 | |
| 2914 #endif | |
| 2915 | |
| 2916 | |
|
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2917 static void |
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2918 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v) |
| 1658 | 2919 { |
|
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2920 if (u->family != AF_UNIX) { |
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2921 |
| 1658 | 2922 if (u->no_port || u->port == u->default_port) { |
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2923 |
| 1658 | 2924 v->host_header = u->host; |
| 2925 | |
| 2926 if (u->default_port == 80) { | |
| 2927 v->port.len = sizeof("80") - 1; | |
| 2928 v->port.data = (u_char *) "80"; | |
| 2929 | |
| 2930 } else { | |
| 2931 v->port.len = sizeof("443") - 1; | |
| 2932 v->port.data = (u_char *) "443"; | |
| 2933 } | |
| 2934 | |
| 2935 } else { | |
|
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2936 v->host_header.len = u->host.len + 1 + u->port_text.len; |
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2937 v->host_header.data = u->host.data; |
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2938 v->port = u->port_text; |
| 1658 | 2939 } |
| 2940 | |
|
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2941 v->key_start.len += v->host_header.len; |
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2942 |
| 1658 | 2943 } else { |
| 2944 v->host_header.len = sizeof("localhost") - 1; | |
| 2945 v->host_header.data = (u_char *) "localhost"; | |
| 2946 v->port.len = 0; | |
| 2947 v->port.data = (u_char *) ""; | |
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2948 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1; |
| 1658 | 2949 } |
| 2950 | |
| 2951 v->uri = u->uri; | |
| 2952 } |