Mercurial > hg > nginx
annotate src/http/modules/ngx_http_proxy_module.c @ 1353:7443fbe0b013
named location
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 29 Jul 2007 18:11:39 +0000 |
| parents | 50b6cd5bc2e2 |
| children | 943f2ba615cd |
| 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_event.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 12 | |
| 509 | 13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t; |
| 14 | |
| 15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r, | |
| 16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr); | |
| 507 | 17 |
| 509 | 18 struct ngx_http_proxy_redirect_s { |
| 651 | 19 ngx_http_proxy_redirect_pt handler; |
| 20 ngx_str_t redirect; | |
| 507 | 21 |
| 509 | 22 union { |
| 651 | 23 ngx_str_t text; |
| 509 | 24 |
| 25 struct { | |
| 651 | 26 void *lengths; |
| 27 void *values; | |
| 509 | 28 } vars; |
| 507 | 29 |
| 651 | 30 void *regex; |
| 509 | 31 } replacement; |
| 32 }; | |
| 33 | |
| 34 | |
| 35 typedef struct { | |
| 651 | 36 ngx_http_upstream_conf_t upstream; |
| 37 | |
| 38 ngx_array_t *flushes; | |
| 39 ngx_array_t *body_set_len; | |
| 40 ngx_array_t *body_set; | |
| 41 ngx_array_t *headers_set_len; | |
| 42 ngx_array_t *headers_set; | |
| 43 ngx_hash_t headers_set_hash; | |
| 44 | |
| 45 ngx_array_t *headers_source; | |
| 46 ngx_array_t *headers_names; | |
| 47 | |
| 48 ngx_array_t *redirects; | |
| 49 | |
| 50 ngx_str_t body_source; | |
| 51 | |
| 52 ngx_str_t method; | |
| 53 ngx_str_t host_header; | |
| 906 | 54 ngx_str_t port; |
| 651 | 55 |
| 56 ngx_flag_t redirect; | |
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57 |
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58 ngx_uint_t headers_hash_max_size; |
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59 ngx_uint_t headers_hash_bucket_size; |
| 507 | 60 } ngx_http_proxy_loc_conf_t; |
| 61 | |
| 62 | |
| 63 typedef struct { | |
| 651 | 64 ngx_uint_t status; |
| 65 ngx_uint_t status_count; | |
| 66 u_char *status_start; | |
| 67 u_char *status_end; | |
| 68 | |
| 69 size_t internal_body_length; | |
| 509 | 70 } ngx_http_proxy_ctx_t; |
| 507 | 71 |
| 72 | |
| 509 | 73 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20 |
| 507 | 74 |
| 75 | |
| 76 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); | |
| 77 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); | |
| 509 | 78 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); |
| 79 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r, | |
| 80 ngx_http_proxy_ctx_t *p); | |
| 507 | 81 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); |
| 82 static void ngx_http_proxy_abort_request(ngx_http_request_t *r); | |
| 83 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, | |
| 84 ngx_int_t rc); | |
| 85 | |
| 573 | 86 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, |
| 87 ngx_http_variable_value_t *v, uintptr_t data); | |
| 88 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
| 89 ngx_http_variable_value_t *v, uintptr_t data); | |
| 90 static ngx_int_t | |
| 509 | 91 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 573 | 92 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 93 static ngx_int_t |
| 94 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, | |
| 95 ngx_http_variable_value_t *v, uintptr_t data); | |
| 509 | 96 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, |
| 97 ngx_table_elt_t *h, size_t prefix); | |
| 507 | 98 |
| 509 | 99 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); |
| 507 | 100 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); |
| 101 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, | |
| 102 void *parent, void *child); | |
| 103 | |
| 104 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 105 void *conf); | |
| 509 | 106 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, |
| 107 void *conf); | |
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108 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, |
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109 void *conf); |
| 507 | 110 |
| 111 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); | |
| 112 | |
| 884 | 113 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, |
| 114 ngx_command_t *cmd, void *conf); | |
| 115 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 116 ngx_command_t *cmd, void *conf); | |
| 117 | |
| 509 | 118 |
| 507 | 119 static ngx_conf_post_t ngx_http_proxy_lowat_post = |
| 509 | 120 { ngx_http_proxy_lowat_check }; |
| 121 | |
| 581 | 122 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = { |
| 123 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size" | |
| 124 }; | |
| 125 | |
| 657 | 126 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = { |
| 127 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors" | |
| 128 }; | |
| 129 | |
| 507 | 130 |
| 131 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { | |
| 132 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 133 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 134 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 135 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
| 623 | 136 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
| 507 | 137 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
| 665 | 138 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
| 507 | 139 { ngx_null_string, 0 } |
| 140 }; | |
| 141 | |
| 142 | |
| 143 static ngx_command_t ngx_http_proxy_commands[] = { | |
| 144 | |
| 145 { ngx_string("proxy_pass"), | |
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146 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 507 | 147 ngx_http_proxy_pass, |
| 148 NGX_HTTP_LOC_CONF_OFFSET, | |
| 149 0, | |
| 150 NULL }, | |
| 151 | |
| 509 | 152 { ngx_string("proxy_redirect"), |
| 153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
| 154 ngx_http_proxy_redirect, | |
| 155 NGX_HTTP_LOC_CONF_OFFSET, | |
| 156 0, | |
| 157 NULL }, | |
| 158 | |
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159 { ngx_string("proxy_store"), |
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160 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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161 ngx_http_proxy_store, |
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162 NGX_HTTP_LOC_CONF_OFFSET, |
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163 0, |
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164 NULL }, |
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165 |
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166 { ngx_string("proxy_store_access"), |
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167 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
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168 ngx_conf_set_access_slot, |
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169 NGX_HTTP_LOC_CONF_OFFSET, |
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170 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), |
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171 NULL }, |
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172 |
| 581 | 173 { ngx_string("proxy_buffering"), |
| 174 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 175 ngx_conf_set_flag_slot, | |
| 176 NGX_HTTP_LOC_CONF_OFFSET, | |
| 177 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), | |
| 178 NULL }, | |
| 179 | |
| 629 | 180 { ngx_string("proxy_ignore_client_abort"), |
| 181 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 182 ngx_conf_set_flag_slot, | |
| 183 NGX_HTTP_LOC_CONF_OFFSET, | |
| 184 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
| 185 NULL }, | |
| 186 | |
| 507 | 187 { ngx_string("proxy_connect_timeout"), |
| 188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 189 ngx_conf_set_msec_slot, | |
| 190 NGX_HTTP_LOC_CONF_OFFSET, | |
| 191 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), | |
| 192 NULL }, | |
| 193 | |
| 194 { ngx_string("proxy_send_timeout"), | |
| 195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 196 ngx_conf_set_msec_slot, | |
| 197 NGX_HTTP_LOC_CONF_OFFSET, | |
| 198 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
| 199 NULL }, | |
| 200 | |
| 201 { ngx_string("proxy_send_lowat"), | |
| 202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 203 ngx_conf_set_size_slot, | |
| 204 NGX_HTTP_LOC_CONF_OFFSET, | |
| 205 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
| 206 &ngx_http_proxy_lowat_post }, | |
| 207 | |
| 657 | 208 { ngx_string("proxy_intercept_errors"), |
| 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.intercept_errors), | |
| 213 NULL }, | |
| 214 | |
| 509 | 215 { ngx_string("proxy_redirect_errors"), |
| 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, | |
| 657 | 219 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), |
| 220 &ngx_conf_deprecated_proxy_redirect_errors }, | |
| 509 | 221 |
| 222 { ngx_string("proxy_set_header"), | |
| 223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 649 | 224 ngx_conf_set_keyval_slot, |
| 507 | 225 NGX_HTTP_LOC_CONF_OFFSET, |
| 509 | 226 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
| 507 | 227 NULL }, |
| 228 | |
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229 { ngx_string("proxy_headers_hash_max_size"), |
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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231 ngx_conf_set_num_slot, |
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232 NGX_HTTP_LOC_CONF_OFFSET, |
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233 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
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234 NULL }, |
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235 |
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236 { ngx_string("proxy_headers_hash_bucket_size"), |
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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238 ngx_conf_set_num_slot, |
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239 NGX_HTTP_LOC_CONF_OFFSET, |
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240 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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241 NULL }, |
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242 |
| 577 | 243 { ngx_string("proxy_set_body"), |
| 244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 245 ngx_conf_set_str_slot, | |
| 246 NGX_HTTP_LOC_CONF_OFFSET, | |
| 247 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
| 248 NULL }, | |
| 249 | |
| 509 | 250 { ngx_string("proxy_method"), |
| 251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 561 | 252 ngx_conf_set_str_slot, |
| 509 | 253 NGX_HTTP_LOC_CONF_OFFSET, |
| 561 | 254 offsetof(ngx_http_proxy_loc_conf_t, method), |
| 255 NULL }, | |
| 509 | 256 |
| 257 { ngx_string("proxy_pass_request_headers"), | |
| 507 | 258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 259 ngx_conf_set_flag_slot, | |
| 260 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 261 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
| 507 | 262 NULL }, |
| 263 | |
| 509 | 264 { ngx_string("proxy_pass_request_body"), |
| 507 | 265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 266 ngx_conf_set_flag_slot, | |
| 267 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 268 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
| 507 | 269 NULL }, |
| 270 | |
| 581 | 271 { ngx_string("proxy_buffer_size"), |
| 272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 273 ngx_conf_set_size_slot, | |
| 274 NGX_HTTP_LOC_CONF_OFFSET, | |
| 275 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
| 276 NULL }, | |
| 277 | |
| 507 | 278 { ngx_string("proxy_header_buffer_size"), |
| 279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 280 ngx_conf_set_size_slot, | |
| 281 NGX_HTTP_LOC_CONF_OFFSET, | |
| 581 | 282 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), |
| 283 &ngx_conf_deprecated_proxy_header_buffer_size }, | |
| 507 | 284 |
| 285 { ngx_string("proxy_read_timeout"), | |
| 286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 287 ngx_conf_set_msec_slot, | |
| 288 NGX_HTTP_LOC_CONF_OFFSET, | |
| 289 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
| 290 NULL }, | |
| 291 | |
| 292 { ngx_string("proxy_buffers"), | |
| 293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 294 ngx_conf_set_bufs_slot, | |
| 295 NGX_HTTP_LOC_CONF_OFFSET, | |
| 296 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
| 297 NULL }, | |
| 298 | |
| 299 { ngx_string("proxy_busy_buffers_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, | |
| 529 | 303 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
| 507 | 304 NULL }, |
| 305 | |
| 306 { ngx_string("proxy_temp_path"), | |
| 307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 308 ngx_conf_set_path_slot, | |
| 309 NGX_HTTP_LOC_CONF_OFFSET, | |
| 310 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
| 311 (void *) ngx_garbage_collector_temp_handler }, | |
| 312 | |
| 313 { ngx_string("proxy_max_temp_file_size"), | |
| 314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 315 ngx_conf_set_size_slot, | |
| 316 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 317 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
| 507 | 318 NULL }, |
| 319 | |
| 320 { ngx_string("proxy_temp_file_write_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.temp_file_write_size_conf), |
| 507 | 325 NULL }, |
| 326 | |
| 327 { ngx_string("proxy_next_upstream"), | |
| 547 | 328 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 507 | 329 ngx_conf_set_bitmask_slot, |
| 330 NGX_HTTP_LOC_CONF_OFFSET, | |
| 331 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
| 332 &ngx_http_proxy_next_upstream_masks }, | |
| 333 | |
| 561 | 334 { ngx_string("proxy_upstream_max_fails"), |
| 335 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 336 ngx_http_proxy_upstream_max_fails_unsupported, |
| 337 0, | |
| 338 0, | |
| 561 | 339 NULL }, |
| 340 | |
| 341 { ngx_string("proxy_upstream_fail_timeout"), | |
| 342 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 343 ngx_http_proxy_upstream_fail_timeout_unsupported, |
| 344 0, | |
| 345 0, | |
| 561 | 346 NULL }, |
| 347 | |
| 649 | 348 { ngx_string("proxy_pass_header"), |
| 507 | 349 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 350 ngx_conf_set_str_array_slot, |
| 507 | 351 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 352 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
| 507 | 353 NULL }, |
| 354 | |
| 649 | 355 { ngx_string("proxy_hide_header"), |
| 507 | 356 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 357 ngx_conf_set_str_array_slot, |
| 507 | 358 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 359 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
| 507 | 360 NULL }, |
| 361 | |
| 362 ngx_null_command | |
| 363 }; | |
| 364 | |
| 365 | |
| 667 | 366 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
| 509 | 367 ngx_http_proxy_add_variables, /* preconfiguration */ |
| 368 NULL, /* postconfiguration */ | |
| 507 | 369 |
| 370 NULL, /* create main configuration */ | |
| 371 NULL, /* init main configuration */ | |
| 372 | |
| 373 NULL, /* create server configuration */ | |
| 374 NULL, /* merge server configuration */ | |
| 375 | |
| 376 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
| 377 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
| 378 }; | |
| 379 | |
| 380 | |
| 381 ngx_module_t ngx_http_proxy_module = { | |
| 509 | 382 NGX_MODULE_V1, |
| 507 | 383 &ngx_http_proxy_module_ctx, /* module context */ |
| 384 ngx_http_proxy_commands, /* module directives */ | |
| 385 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 386 NULL, /* init master */ |
| 509 | 387 NULL, /* init module */ |
| 541 | 388 NULL, /* init process */ |
| 389 NULL, /* init thread */ | |
| 390 NULL, /* exit thread */ | |
| 391 NULL, /* exit process */ | |
| 392 NULL, /* exit master */ | |
| 393 NGX_MODULE_V1_PADDING | |
| 507 | 394 }; |
| 395 | |
| 396 | |
| 397 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
| 398 | |
| 509 | 399 |
| 649 | 400 static ngx_keyval_t ngx_http_proxy_headers[] = { |
| 401 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
| 402 { ngx_string("Connection"), ngx_string("close") }, | |
| 403 { ngx_string("Keep-Alive"), ngx_string("") }, | |
| 404 { ngx_null_string, ngx_null_string } | |
| 405 }; | |
| 406 | |
| 407 | |
| 408 static ngx_str_t ngx_http_proxy_hide_headers[] = { | |
| 409 ngx_string("Date"), | |
| 410 ngx_string("Server"), | |
| 411 ngx_string("X-Pad"), | |
| 412 ngx_string("X-Accel-Expires"), | |
| 413 ngx_string("X-Accel-Redirect"), | |
| 414 ngx_string("X-Accel-Limit-Rate"), | |
| 415 ngx_string("X-Accel-Buffer"), | |
| 416 ngx_null_string | |
| 509 | 417 }; |
| 418 | |
| 419 | |
| 420 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
| 421 | |
| 637 | 422 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
| 583 | 423 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 424 |
| 637 | 425 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
| 583 | 426 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 427 |
| 637 | 428 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
| 583 | 429 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 430 |
| 431 #if 0 | |
| 637 | 432 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 433 #endif |
| 434 | |
| 637 | 435 { ngx_string("proxy_internal_body_length"), NULL, |
| 583 | 436 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 577 | 437 |
| 637 | 438 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 509 | 439 }; |
| 507 | 440 |
| 441 | |
| 442 static ngx_int_t | |
| 443 ngx_http_proxy_handler(ngx_http_request_t *r) | |
| 577 | 444 { |
| 507 | 445 ngx_int_t rc; |
| 446 ngx_http_upstream_t *u; | |
| 447 ngx_http_proxy_loc_conf_t *plcf; | |
| 577 | 448 |
| 507 | 449 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 577 | 450 |
| 507 | 451 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
| 452 if (u == NULL) { | |
| 453 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 454 } | |
| 577 | 455 |
| 507 | 456 u->peer.log = r->connection->log; |
| 457 u->peer.log_error = NGX_ERROR_ERR; | |
| 458 #if (NGX_THREADS) | |
| 459 u->peer.lock = &r->connection->lock; | |
| 460 #endif | |
| 461 | |
| 462 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
| 463 | |
| 464 u->conf = &plcf->upstream; | |
| 465 | |
| 466 u->create_request = ngx_http_proxy_create_request; | |
| 467 u->reinit_request = ngx_http_proxy_reinit_request; | |
| 509 | 468 u->process_header = ngx_http_proxy_process_status_line; |
| 507 | 469 u->abort_request = ngx_http_proxy_abort_request; |
| 470 u->finalize_request = ngx_http_proxy_finalize_request; | |
| 471 | |
| 509 | 472 if (plcf->redirects) { |
| 473 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
| 474 } | |
| 475 | |
| 649 | 476 u->buffering = plcf->upstream.buffering; |
| 477 | |
| 478 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
| 479 if (u->pipe == NULL) { | |
| 480 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 581 | 481 } |
| 507 | 482 |
| 649 | 483 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
| 484 | |
| 509 | 485 u->accel = 1; |
| 577 | 486 |
| 507 | 487 r->upstream = u; |
| 488 | |
| 489 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 490 | |
| 491 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 492 return rc; | |
| 493 } | |
| 494 | |
| 495 return NGX_DONE; | |
| 496 } | |
| 497 | |
| 498 | |
| 499 static ngx_int_t | |
| 500 ngx_http_proxy_create_request(ngx_http_request_t *r) | |
| 501 { | |
| 577 | 502 size_t len, loc_len, body_len; |
| 509 | 503 uintptr_t escape; |
| 504 ngx_buf_t *b; | |
| 649 | 505 ngx_str_t method; |
| 506 ngx_uint_t i, unparsed_uri; | |
| 509 | 507 ngx_chain_t *cl, *body; |
| 508 ngx_list_part_t *part; | |
| 509 ngx_table_elt_t *header; | |
| 510 ngx_http_upstream_t *u; | |
| 577 | 511 ngx_http_proxy_ctx_t *p; |
| 509 | 512 ngx_http_script_code_pt code; |
| 513 ngx_http_script_engine_t e, le; | |
| 514 ngx_http_proxy_loc_conf_t *plcf; | |
| 515 ngx_http_script_len_code_pt lcode; | |
| 507 | 516 |
| 517 u = r->upstream; | |
| 518 | |
| 519 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 520 | |
| 577 | 521 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); |
| 522 if (p == NULL) { | |
| 523 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 524 } | |
| 525 | |
| 526 ngx_http_set_ctx(r, p, ngx_http_proxy_module); | |
| 527 | |
| 507 | 528 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
| 529 | |
| 561 | 530 if (u->method.len) { |
| 531 /* HEAD was changed to GET to cache response */ | |
| 532 method = u->method; | |
| 533 method.len++; | |
| 534 | |
| 535 } else if (plcf->method.len) { | |
| 536 method = plcf->method; | |
| 537 | |
| 507 | 538 } else { |
| 561 | 539 method = r->method_name; |
| 540 method.len++; | |
| 507 | 541 } |
| 542 | |
| 561 | 543 len += method.len + u->conf->uri.len; |
| 544 | |
| 507 | 545 escape = 0; |
| 509 | 546 |
| 627 | 547 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len: |
| 548 0; | |
| 509 | 549 |
| 609 | 550 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) { |
| 551 unparsed_uri = 1; | |
| 539 | 552 len += r->unparsed_uri.len; |
| 507 | 553 |
| 554 } else { | |
| 609 | 555 unparsed_uri = 0; |
| 507 | 556 if (r->quoted_uri) { |
| 509 | 557 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
| 558 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 507 | 559 } |
| 560 | |
| 509 | 561 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len; |
| 507 | 562 } |
| 563 | |
| 573 | 564 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes); |
| 565 | |
| 577 | 566 if (plcf->body_set_len) { |
| 567 le.ip = plcf->body_set_len->elts; | |
| 568 le.request = r; | |
| 569 le.flushed = 1; | |
| 570 body_len = 0; | |
| 571 | |
| 572 while (*(uintptr_t *) le.ip) { | |
| 573 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 574 body_len += lcode(&le); | |
| 575 } | |
| 576 | |
| 577 p->internal_body_length = body_len; | |
| 578 len += body_len; | |
| 579 } | |
| 580 | |
| 509 | 581 le.ip = plcf->headers_set_len->elts; |
| 582 le.request = r; | |
| 573 | 583 le.flushed = 1; |
| 507 | 584 |
| 509 | 585 while (*(uintptr_t *) le.ip) { |
| 586 while (*(uintptr_t *) le.ip) { | |
| 587 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 588 len += lcode(&le); | |
| 589 } | |
| 590 le.ip += sizeof(uintptr_t); | |
| 507 | 591 } |
| 592 | |
| 593 | |
| 509 | 594 if (plcf->upstream.pass_request_headers) { |
| 595 part = &r->headers_in.headers.part; | |
| 596 header = part->elts; | |
| 597 | |
| 598 for (i = 0; /* void */; i++) { | |
| 507 | 599 |
| 509 | 600 if (i >= part->nelts) { |
| 601 if (part->next == NULL) { | |
| 602 break; | |
| 603 } | |
| 604 | |
| 605 part = part->next; | |
| 606 header = part->elts; | |
| 577 | 607 i = 0; |
| 507 | 608 } |
| 609 | |
| 649 | 610 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 611 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 612 { |
| 613 continue; | |
| 614 } | |
| 615 | |
| 616 len += header[i].key.len + sizeof(": ") - 1 | |
| 617 + header[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 618 } |
| 509 | 619 } |
| 507 | 620 |
| 621 | |
| 622 b = ngx_create_temp_buf(r->pool, len); | |
| 623 if (b == NULL) { | |
| 624 return NGX_ERROR; | |
| 625 } | |
| 626 | |
| 627 cl = ngx_alloc_chain_link(r->pool); | |
| 628 if (cl == NULL) { | |
| 629 return NGX_ERROR; | |
| 630 } | |
| 631 | |
| 632 cl->buf = b; | |
| 633 | |
| 634 | |
| 635 /* the request line */ | |
| 636 | |
| 573 | 637 b->last = ngx_copy(b->last, method.data, method.len); |
| 507 | 638 |
| 555 | 639 u->uri.data = b->last; |
| 640 | |
| 609 | 641 if (unparsed_uri) { |
| 573 | 642 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
| 643 | |
| 507 | 644 } else { |
| 555 | 645 if (r->valid_location) { |
| 573 | 646 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len); |
| 555 | 647 } |
| 551 | 648 |
| 507 | 649 if (escape) { |
| 509 | 650 ngx_escape_uri(b->last, r->uri.data + loc_len, |
| 651 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 652 b->last += r->uri.len - loc_len + escape; | |
| 507 | 653 |
| 577 | 654 } else { |
| 573 | 655 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
| 656 r->uri.len - loc_len); | |
| 507 | 657 } |
| 658 | |
| 659 if (r->args.len > 0) { | |
| 660 *b->last++ = '?'; | |
| 573 | 661 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
| 507 | 662 } |
| 663 } | |
| 664 | |
| 555 | 665 u->uri.len = b->last - u->uri.data; |
| 666 | |
| 507 | 667 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
| 668 sizeof(ngx_http_proxy_version) - 1); | |
| 669 | |
| 577 | 670 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
| 507 | 671 |
| 672 e.ip = plcf->headers_set->elts; | |
| 673 e.pos = b->last; | |
| 509 | 674 e.request = r; |
| 573 | 675 e.flushed = 1; |
| 507 | 676 |
| 509 | 677 le.ip = plcf->headers_set_len->elts; |
| 678 | |
| 679 while (*(uintptr_t *) le.ip) { | |
| 680 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 515 | 681 |
| 682 /* skip the header line name length */ | |
| 683 (void) lcode(&le); | |
| 509 | 684 |
| 685 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
| 686 | |
| 687 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 688 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 689 } | |
| 690 | |
| 691 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
| 692 | |
| 693 } else { | |
| 694 e.skip = 0; | |
| 695 } | |
| 696 | |
| 697 le.ip += sizeof(uintptr_t); | |
| 698 | |
| 699 while (*(uintptr_t *) e.ip) { | |
| 700 code = *(ngx_http_script_code_pt *) e.ip; | |
| 701 code((ngx_http_script_engine_t *) &e); | |
| 577 | 702 } |
| 509 | 703 e.ip += sizeof(uintptr_t); |
| 507 | 704 } |
| 705 | |
| 706 b->last = e.pos; | |
| 707 | |
| 708 | |
| 509 | 709 if (plcf->upstream.pass_request_headers) { |
| 710 part = &r->headers_in.headers.part; | |
| 711 header = part->elts; | |
| 577 | 712 |
| 509 | 713 for (i = 0; /* void */; i++) { |
| 507 | 714 |
| 509 | 715 if (i >= part->nelts) { |
| 716 if (part->next == NULL) { | |
| 717 break; | |
| 718 } | |
| 719 | |
| 720 part = part->next; | |
| 721 header = part->elts; | |
| 577 | 722 i = 0; |
| 507 | 723 } |
| 724 | |
| 649 | 725 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 726 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 727 { |
| 728 continue; | |
| 729 } | |
| 507 | 730 |
| 573 | 731 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
| 507 | 732 |
| 509 | 733 *b->last++ = ':'; *b->last++ = ' '; |
| 507 | 734 |
| 573 | 735 b->last = ngx_copy(b->last, header[i].value.data, |
| 736 header[i].value.len); | |
| 507 | 737 |
| 509 | 738 *b->last++ = CR; *b->last++ = LF; |
| 507 | 739 |
| 509 | 740 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 741 "http proxy header: \"%V: %V\"", | |
| 742 &header[i].key, &header[i].value); | |
| 743 } | |
| 507 | 744 } |
| 745 | |
| 577 | 746 |
| 507 | 747 /* add "\r\n" at the header end */ |
| 748 *b->last++ = CR; *b->last++ = LF; | |
| 749 | |
| 577 | 750 if (plcf->body_set) { |
| 751 e.ip = plcf->body_set->elts; | |
| 752 e.pos = b->last; | |
| 753 | |
| 754 while (*(uintptr_t *) e.ip) { | |
| 755 code = *(ngx_http_script_code_pt *) e.ip; | |
| 756 code((ngx_http_script_engine_t *) &e); | |
| 757 } | |
| 579 | 758 |
| 759 b->last = e.pos; | |
| 577 | 760 } |
| 761 | |
| 507 | 762 #if (NGX_DEBUG) |
| 763 { | |
| 764 ngx_str_t s; | |
| 765 | |
| 766 s.len = b->last - b->pos; | |
| 767 s.data = b->pos; | |
| 768 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 769 "http proxy header:\n\"%V\"", &s); | |
| 770 } | |
| 771 #endif | |
| 772 | |
| 577 | 773 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
| 509 | 774 |
| 775 body = u->request_bufs; | |
| 776 u->request_bufs = cl; | |
| 777 | |
| 778 while (body) { | |
| 779 b = ngx_alloc_buf(r->pool); | |
| 780 if (b == NULL) { | |
| 781 return NGX_ERROR; | |
| 782 } | |
| 783 | |
| 784 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 785 | |
| 786 cl->next = ngx_alloc_chain_link(r->pool); | |
| 787 if (cl->next == NULL) { | |
| 788 return NGX_ERROR; | |
| 789 } | |
| 790 | |
| 791 cl = cl->next; | |
| 792 cl->buf = b; | |
| 793 | |
| 794 body = body->next; | |
| 795 } | |
| 796 | |
| 611 | 797 b->flush = 1; |
| 798 | |
| 509 | 799 } else { |
| 800 u->request_bufs = cl; | |
| 801 } | |
| 802 | |
| 803 cl->next = NULL; | |
| 804 | |
| 507 | 805 return NGX_OK; |
| 806 } | |
| 807 | |
| 808 | |
| 809 static ngx_int_t | |
| 810 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
| 811 { | |
| 509 | 812 ngx_http_proxy_ctx_t *p; |
| 813 | |
| 814 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 815 | |
| 816 if (p == NULL) { | |
| 817 return NGX_OK; | |
| 818 } | |
| 819 | |
| 820 p->status = 0; | |
| 821 p->status_count = 0; | |
| 822 p->status_start = NULL; | |
| 823 p->status_end = NULL; | |
| 824 | |
| 825 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
| 826 | |
| 827 return NGX_OK; | |
| 828 } | |
| 829 | |
| 830 | |
| 831 static ngx_int_t | |
| 832 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
| 833 { | |
| 834 ngx_int_t rc; | |
| 835 ngx_http_upstream_t *u; | |
| 836 ngx_http_proxy_ctx_t *p; | |
| 837 | |
| 838 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 839 | |
| 840 if (p == NULL) { | |
| 577 | 841 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 509 | 842 } |
| 843 | |
| 844 rc = ngx_http_proxy_parse_status_line(r, p); | |
| 845 | |
| 846 if (rc == NGX_AGAIN) { | |
| 847 return rc; | |
| 848 } | |
| 849 | |
| 850 u = r->upstream; | |
| 851 | |
| 852 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
| 853 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 577 | 854 "upstream sent no valid HTTP/1.0 header"); |
| 509 | 855 |
| 619 | 856 #if 0 |
| 509 | 857 if (u->accel) { |
| 858 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 859 } | |
| 619 | 860 #endif |
| 509 | 861 |
| 862 r->http_version = NGX_HTTP_VERSION_9; | |
| 863 p->status = NGX_HTTP_OK; | |
| 577 | 864 |
| 509 | 865 return NGX_OK; |
| 866 } | |
| 867 | |
| 529 | 868 u->headers_in.status_n = p->status; |
| 509 | 869 u->state->status = p->status; |
| 870 | |
| 529 | 871 u->headers_in.status_line.len = p->status_end - p->status_start; |
| 872 u->headers_in.status_line.data = ngx_palloc(r->pool, | |
| 873 u->headers_in.status_line.len); | |
| 874 if (u->headers_in.status_line.data == NULL) { | |
| 509 | 875 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 876 } | |
| 573 | 877 |
| 529 | 878 ngx_memcpy(u->headers_in.status_line.data, p->status_start, |
| 879 u->headers_in.status_line.len); | |
| 509 | 880 |
| 881 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 882 "http proxy status %ui \"%V\"", | |
| 936 | 883 u->headers_in.status_n, &u->headers_in.status_line); |
| 509 | 884 |
| 885 u->process_header = ngx_http_proxy_process_header; | |
| 886 | |
| 887 return ngx_http_proxy_process_header(r); | |
| 888 } | |
| 889 | |
| 890 | |
| 891 static ngx_int_t | |
| 892 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p) | |
| 893 { | |
| 894 u_char ch; | |
| 895 u_char *pos; | |
| 896 ngx_http_upstream_t *u; | |
| 897 enum { | |
| 898 sw_start = 0, | |
| 899 sw_H, | |
| 900 sw_HT, | |
| 901 sw_HTT, | |
| 902 sw_HTTP, | |
| 903 sw_first_major_digit, | |
| 904 sw_major_digit, | |
| 905 sw_first_minor_digit, | |
| 906 sw_minor_digit, | |
| 907 sw_status, | |
| 908 sw_space_after_status, | |
| 909 sw_status_text, | |
| 910 sw_almost_done | |
| 577 | 911 } state; |
| 509 | 912 |
| 913 u = r->upstream; | |
| 914 | |
| 915 state = r->state; | |
| 916 | |
| 581 | 917 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) { |
| 509 | 918 ch = *pos; |
| 919 | |
| 920 switch (state) { | |
| 921 | |
| 922 /* "HTTP/" */ | |
| 923 case sw_start: | |
| 924 switch (ch) { | |
| 577 | 925 case 'H': |
| 509 | 926 state = sw_H; |
| 927 break; | |
| 928 default: | |
| 929 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 930 } | |
| 931 break; | |
| 932 | |
| 577 | 933 case sw_H: |
| 509 | 934 switch (ch) { |
| 577 | 935 case 'T': |
| 509 | 936 state = sw_HT; |
| 937 break; | |
| 938 default: | |
| 939 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 940 } | |
| 941 break; | |
| 942 | |
| 943 case sw_HT: | |
| 944 switch (ch) { | |
| 577 | 945 case 'T': |
| 509 | 946 state = sw_HTT; |
| 947 break; | |
| 948 default: | |
| 949 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 950 } | |
| 951 break; | |
| 952 | |
| 953 case sw_HTT: | |
| 954 switch (ch) { | |
| 577 | 955 case 'P': |
| 509 | 956 state = sw_HTTP; |
| 957 break; | |
| 958 default: | |
| 959 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 960 } | |
| 961 break; | |
| 962 | |
| 963 case sw_HTTP: | |
| 964 switch (ch) { | |
| 577 | 965 case '/': |
| 509 | 966 state = sw_first_major_digit; |
| 967 break; | |
| 968 default: | |
| 969 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 970 } | |
| 971 break; | |
| 972 | |
| 973 /* the first digit of major HTTP version */ | |
| 974 case sw_first_major_digit: | |
| 975 if (ch < '1' || ch > '9') { | |
| 976 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 977 } | |
| 978 | |
| 979 state = sw_major_digit; | |
| 980 break; | |
| 981 | |
| 982 /* the major HTTP version or dot */ | |
| 983 case sw_major_digit: | |
| 984 if (ch == '.') { | |
| 985 state = sw_first_minor_digit; | |
| 986 break; | |
| 987 } | |
| 988 | |
| 989 if (ch < '0' || ch > '9') { | |
| 990 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 991 } | |
| 992 | |
| 993 break; | |
| 994 | |
| 995 /* the first digit of minor HTTP version */ | |
| 996 case sw_first_minor_digit: | |
| 997 if (ch < '0' || ch > '9') { | |
| 998 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 999 } | |
| 1000 | |
| 1001 state = sw_minor_digit; | |
| 1002 break; | |
| 1003 | |
| 1004 /* the minor HTTP version or the end of the request line */ | |
| 1005 case sw_minor_digit: | |
| 1006 if (ch == ' ') { | |
| 1007 state = sw_status; | |
| 1008 break; | |
| 1009 } | |
| 1010 | |
| 1011 if (ch < '0' || ch > '9') { | |
| 1012 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1013 } | |
| 1014 | |
| 1015 break; | |
| 1016 | |
| 1017 /* HTTP status code */ | |
| 1018 case sw_status: | |
| 619 | 1019 if (ch == ' ') { |
| 1020 break; | |
| 1021 } | |
| 1022 | |
| 509 | 1023 if (ch < '0' || ch > '9') { |
| 1024 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1025 } | |
| 1026 | |
| 1027 p->status = p->status * 10 + ch - '0'; | |
| 1028 | |
| 1029 if (++p->status_count == 3) { | |
| 1030 state = sw_space_after_status; | |
| 1031 p->status_start = pos - 2; | |
| 1032 } | |
| 1033 | |
| 1034 break; | |
| 1035 | |
| 1036 /* space or end of line */ | |
| 1037 case sw_space_after_status: | |
| 1038 switch (ch) { | |
| 577 | 1039 case ' ': |
| 509 | 1040 state = sw_status_text; |
| 1041 break; | |
| 1042 case '.': /* IIS may send 403.1, 403.2, etc */ | |
| 1043 state = sw_status_text; | |
| 1044 break; | |
| 1045 case CR: | |
| 1046 state = sw_almost_done; | |
| 1047 break; | |
| 1048 case LF: | |
| 1049 goto done; | |
| 1050 default: | |
| 1051 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1052 } | |
| 1053 break; | |
| 1054 | |
| 1055 /* any text until end of line */ | |
| 1056 case sw_status_text: | |
| 1057 switch (ch) { | |
| 1058 case CR: | |
| 1059 state = sw_almost_done; | |
| 1060 | |
| 1061 break; | |
| 1062 case LF: | |
| 1063 goto done; | |
| 1064 } | |
| 1065 break; | |
| 1066 | |
| 527 | 1067 /* end of status line */ |
| 509 | 1068 case sw_almost_done: |
| 1069 p->status_end = pos - 1; | |
| 1070 switch (ch) { | |
| 1071 case LF: | |
| 1072 goto done; | |
| 1073 default: | |
| 1074 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1075 } | |
| 1076 } | |
| 1077 } | |
| 1078 | |
| 581 | 1079 u->buffer.pos = pos; |
| 509 | 1080 r->state = state; |
| 1081 | |
| 1082 return NGX_AGAIN; | |
| 1083 | |
| 1084 done: | |
| 1085 | |
| 581 | 1086 u->buffer.pos = pos + 1; |
| 509 | 1087 |
| 1088 if (p->status_end == NULL) { | |
| 1089 p->status_end = pos; | |
| 1090 } | |
| 1091 | |
| 1092 r->state = sw_start; | |
| 1093 | |
| 507 | 1094 return NGX_OK; |
| 1095 } | |
| 1096 | |
| 1097 | |
| 1098 static ngx_int_t | |
| 1099 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
| 1100 { | |
| 509 | 1101 ngx_int_t rc; |
| 649 | 1102 ngx_uint_t i; |
| 509 | 1103 ngx_table_elt_t *h; |
| 1104 ngx_http_upstream_header_t *hh; | |
| 1105 ngx_http_upstream_main_conf_t *umcf; | |
| 1106 | |
| 1107 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 1108 | |
| 1109 for ( ;; ) { | |
| 1110 | |
| 581 | 1111 rc = ngx_http_parse_header_line(r, &r->upstream->buffer); |
| 509 | 1112 |
| 1113 if (rc == NGX_OK) { | |
| 1114 | |
| 1115 /* a header line has been parsed successfully */ | |
| 507 | 1116 |
| 509 | 1117 h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1118 if (h == NULL) { | |
| 1119 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1120 } | |
| 1121 | |
| 1122 h->hash = r->header_hash; | |
| 1123 | |
| 1124 h->key.len = r->header_name_end - r->header_name_start; | |
| 1125 h->value.len = r->header_end - r->header_start; | |
| 1126 | |
| 1127 h->key.data = ngx_palloc(r->pool, | |
| 649 | 1128 h->key.len + 1 + h->value.len + 1 + h->key.len); |
| 509 | 1129 if (h->key.data == NULL) { |
| 1130 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1131 } | |
| 1132 | |
| 1133 h->value.data = h->key.data + h->key.len + 1; | |
| 649 | 1134 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
| 507 | 1135 |
| 509 | 1136 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
| 1137 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
| 1138 | |
| 649 | 1139 if (h->key.len == r->lowcase_index) { |
| 1140 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
| 1141 | |
| 1142 } else { | |
| 1143 for (i = 0; i < h->key.len; i++) { | |
| 1144 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]); | |
| 509 | 1145 } |
| 1146 } | |
| 1147 | |
| 649 | 1148 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
| 1149 h->lowcase_key, h->key.len); | |
| 1150 | |
| 1151 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
| 1152 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1153 } | |
| 1154 | |
| 509 | 1155 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1156 "http proxy header: \"%V: %V\"", | |
| 1157 &h->key, &h->value); | |
| 1158 | |
| 1159 continue; | |
| 1160 } | |
| 1161 | |
| 1162 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 1163 | |
| 1164 /* a whole header has been parsed successfully */ | |
| 1165 | |
| 1166 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1167 "http proxy header done"); | |
| 1168 | |
| 649 | 1169 /* |
| 1170 * if no "Server" and "Date" in header line, | |
| 1171 * then add the special empty headers | |
| 1172 */ | |
| 1173 | |
| 1174 if (r->upstream->headers_in.server == NULL) { | |
| 1175 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 1176 if (h == NULL) { | |
| 1177 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1178 } | |
| 1179 | |
| 1180 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
| 1181 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
| 1182 | |
| 1183 h->key.len = sizeof("Server") - 1; | |
| 1184 h->key.data = (u_char *) "Server"; | |
| 1185 h->value.len = 0; | |
| 1186 h->value.data = NULL; | |
| 1187 h->lowcase_key = (u_char *) "server"; | |
| 1188 } | |
| 1189 | |
| 1190 if (r->upstream->headers_in.date == NULL) { | |
| 1191 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 1192 if (h == NULL) { | |
| 1193 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1194 } | |
| 1195 | |
| 1196 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); | |
| 1197 | |
| 1198 h->key.len = sizeof("Date") - 1; | |
| 1199 h->key.data = (u_char *) "Date"; | |
| 1200 h->value.len = 0; | |
| 1201 h->value.data = NULL; | |
| 1202 h->lowcase_key = (u_char *) "date"; | |
| 1203 } | |
| 1204 | |
| 509 | 1205 return NGX_OK; |
| 1206 } | |
| 1207 | |
| 521 | 1208 if (rc == NGX_AGAIN) { |
| 1209 return NGX_AGAIN; | |
| 1210 } | |
| 1211 | |
| 509 | 1212 /* there was error while a header line parsing */ |
| 1213 | |
| 1214 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 619 | 1215 "upstream sent invalid header"); |
| 509 | 1216 |
| 1217 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1218 } | |
| 507 | 1219 } |
| 1220 | |
| 1221 | |
| 1222 static void | |
| 1223 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
| 1224 { | |
| 1225 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1226 "abort http proxy request"); | |
| 577 | 1227 |
| 507 | 1228 return; |
| 1229 } | |
| 1230 | |
| 1231 | |
| 1232 static void | |
| 1233 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 577 | 1234 { |
| 507 | 1235 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1236 "finalize http proxy request"); | |
| 1237 | |
| 1238 return; | |
| 1239 } | |
| 1240 | |
| 1241 | |
| 573 | 1242 static ngx_int_t |
| 1243 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
| 1244 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1245 { |
| 509 | 1246 ngx_http_proxy_loc_conf_t *plcf; |
| 507 | 1247 |
| 509 | 1248 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 507 | 1249 |
| 573 | 1250 v->len = plcf->host_header.len; |
| 577 | 1251 v->valid = 1; |
| 573 | 1252 v->no_cachable = 0; |
| 1253 v->not_found = 0; | |
| 1254 v->data = plcf->host_header.data; | |
| 507 | 1255 |
| 573 | 1256 return NGX_OK; |
| 507 | 1257 } |
| 1258 | |
| 1259 | |
| 573 | 1260 static ngx_int_t |
| 1261 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
| 1262 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1263 { |
| 1264 ngx_http_proxy_loc_conf_t *plcf; | |
| 1265 | |
| 1266 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 1267 | |
| 906 | 1268 v->len = plcf->port.len; |
| 577 | 1269 v->valid = 1; |
| 573 | 1270 v->no_cachable = 0; |
| 1271 v->not_found = 0; | |
| 906 | 1272 v->data = plcf->port.data; |
| 509 | 1273 |
| 573 | 1274 return NGX_OK; |
| 509 | 1275 } |
| 1276 | |
| 1277 | |
| 573 | 1278 static ngx_int_t |
| 509 | 1279 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 573 | 1280 ngx_http_variable_value_t *v, uintptr_t data) |
| 509 | 1281 { |
| 573 | 1282 u_char *p; |
| 509 | 1283 |
| 577 | 1284 v->valid = 1; |
| 573 | 1285 v->no_cachable = 0; |
| 1286 v->not_found = 0; | |
| 509 | 1287 |
| 1288 if (r->headers_in.x_forwarded_for == NULL) { | |
| 573 | 1289 v->len = r->connection->addr_text.len; |
| 1290 v->data = r->connection->addr_text.data; | |
| 1291 return NGX_OK; | |
| 509 | 1292 } |
| 1293 | |
| 573 | 1294 v->len = r->headers_in.x_forwarded_for->value.len |
| 1295 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
| 509 | 1296 |
| 573 | 1297 p = ngx_palloc(r->pool, v->len); |
| 509 | 1298 if (p == NULL) { |
| 573 | 1299 return NGX_ERROR; |
| 509 | 1300 } |
| 1301 | |
| 573 | 1302 v->data = p; |
| 509 | 1303 |
| 573 | 1304 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
| 1305 r->headers_in.x_forwarded_for->value.len); | |
| 509 | 1306 |
| 1307 *p++ = ','; *p++ = ' '; | |
| 1308 | |
| 1309 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
| 1310 | |
| 573 | 1311 return NGX_OK; |
| 509 | 1312 } |
| 1313 | |
| 1314 | |
| 1315 static ngx_int_t | |
| 577 | 1316 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
| 1317 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1318 { | |
| 1319 ngx_http_proxy_ctx_t *p; | |
| 1320 | |
| 1321 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1322 | |
| 1323 if (p == NULL) { | |
| 1324 v->not_found = 1; | |
| 1325 return NGX_OK; | |
| 1326 } | |
| 1327 | |
| 1328 v->valid = 1; | |
| 1329 v->no_cachable = 0; | |
| 1330 v->not_found = 0; | |
| 1331 | |
| 1332 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN); | |
| 1333 | |
| 1334 if (v->data == NULL) { | |
| 1335 return NGX_ERROR; | |
| 1336 } | |
| 1337 | |
| 1338 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data; | |
| 1339 | |
| 1340 return NGX_OK; | |
| 1341 } | |
| 1342 | |
| 1343 | |
| 1344 static ngx_int_t | |
| 509 | 1345 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1346 size_t prefix) | |
| 1347 { | |
| 1348 ngx_int_t rc; | |
| 1349 ngx_uint_t i; | |
| 1350 ngx_http_proxy_loc_conf_t *plcf; | |
| 1351 ngx_http_proxy_redirect_t *pr; | |
| 1352 | |
| 1353 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 1354 | |
| 1355 pr = plcf->redirects->elts; | |
| 1356 | |
| 1357 if (pr == NULL) { | |
| 1358 return NGX_DECLINED; | |
| 1359 } | |
| 1360 | |
| 1361 for (i = 0; i < plcf->redirects->nelts; i++) { | |
| 605 | 1362 rc = pr[i].handler(r, h, prefix, &pr[i]); |
| 509 | 1363 |
| 1364 if (rc != NGX_DECLINED) { | |
| 1365 return rc; | |
| 1366 } | |
| 1367 } | |
| 1368 | |
| 1369 return NGX_DECLINED; | |
| 1370 } | |
| 1371 | |
| 1372 | |
| 1373 static ngx_int_t | |
| 1374 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1375 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1376 { | |
| 1377 size_t len; | |
| 1378 u_char *data, *p; | |
| 1379 | |
| 1380 if (pr->redirect.len > h->value.len - prefix | |
| 1381 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1382 pr->redirect.len) != 0) | |
| 1383 { | |
| 1384 return NGX_DECLINED; | |
| 1385 } | |
| 1386 | |
| 1387 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
| 507 | 1388 |
| 509 | 1389 data = ngx_palloc(r->pool, len); |
| 1390 if (data == NULL) { | |
| 1391 return NGX_ERROR; | |
| 1392 } | |
| 1393 | |
| 1394 p = data; | |
| 1395 | |
| 573 | 1396 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1397 |
| 653 | 1398 if (pr->replacement.text.len) { |
| 1399 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
| 1400 } | |
| 509 | 1401 |
| 1402 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
| 1403 h->value.len - pr->redirect.len - prefix); | |
| 1404 | |
| 1405 h->value.len = len; | |
| 1406 h->value.data = data; | |
| 1407 | |
| 1408 return NGX_OK; | |
| 1409 } | |
| 1410 | |
| 1411 | |
| 1412 static ngx_int_t | |
| 1413 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1414 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1415 { | |
| 1416 size_t len; | |
| 1417 u_char *data, *p; | |
| 1418 ngx_http_script_code_pt code; | |
| 1419 ngx_http_script_engine_t e; | |
| 1420 ngx_http_script_len_code_pt lcode; | |
| 1421 | |
| 1422 if (pr->redirect.len > h->value.len - prefix | |
| 1423 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1424 pr->redirect.len) != 0) | |
| 1425 { | |
| 1426 return NGX_DECLINED; | |
| 1427 } | |
| 1428 | |
| 1429 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 1430 | |
| 1431 e.ip = pr->replacement.vars.lengths; | |
| 1432 e.request = r; | |
| 1433 | |
|
723
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|
1434 len = prefix + h->value.len - pr->redirect.len; |
|
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|
1435 |
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|
1436 while (*(uintptr_t *) e.ip) { |
| 509 | 1437 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
|
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|
1438 len += lcode(&e); |
| 509 | 1439 } |
| 1440 | |
| 1441 data = ngx_palloc(r->pool, len); | |
| 1442 if (data == NULL) { | |
| 1443 return NGX_ERROR; | |
| 1444 } | |
| 1445 | |
| 1446 p = data; | |
| 1447 | |
| 573 | 1448 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1449 |
| 1450 e.ip = pr->replacement.vars.values; | |
| 1451 e.pos = p; | |
| 1452 | |
| 1453 while (*(uintptr_t *) e.ip) { | |
| 1454 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1455 code(&e); | |
| 1456 } | |
| 1457 | |
|
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|
1458 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
|
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|
1459 h->value.len - pr->redirect.len - prefix); |
|
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|
1460 |
| 509 | 1461 h->value.len = len; |
| 1462 h->value.data = data; | |
| 1463 | |
| 1464 return NGX_OK; | |
| 1465 } | |
| 1466 | |
| 1467 | |
| 1468 static ngx_int_t | |
| 1469 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
| 1470 { | |
| 1471 ngx_http_variable_t *var, *v; | |
| 1472 | |
| 1473 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
| 1474 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 1475 if (var == NULL) { | |
| 1476 return NGX_ERROR; | |
| 1477 } | |
| 1478 | |
| 637 | 1479 var->get_handler = v->get_handler; |
| 509 | 1480 var->data = v->data; |
| 1481 } | |
| 1482 | |
| 1483 return NGX_OK; | |
| 507 | 1484 } |
| 1485 | |
| 1486 | |
| 1487 static void * | |
| 1488 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
| 1489 { | |
| 1490 ngx_http_proxy_loc_conf_t *conf; | |
| 1491 | |
| 1492 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
| 1493 if (conf == NULL) { | |
| 1494 return NGX_CONF_ERROR; | |
| 1495 } | |
| 1496 | |
| 1497 /* | |
| 1498 * set by ngx_pcalloc(): | |
| 1499 * | |
| 1500 * conf->upstream.bufs.num = 0; | |
| 1501 * conf->upstream.next_upstream = 0; | |
| 1502 * conf->upstream.temp_path = NULL; | |
| 649 | 1503 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
| 1504 * conf->upstream.hide_headers = NULL; | |
| 1505 * conf->upstream.pass_headers = NULL; | |
| 509 | 1506 * conf->upstream.schema = { 0, NULL }; |
| 1507 * conf->upstream.uri = { 0, NULL }; | |
| 1508 * conf->upstream.location = NULL; | |
|
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1509 * conf->upstream.store_lengths = NULL; |
|
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1510 * conf->upstream.store_values = NULL; |
| 509 | 1511 * |
| 561 | 1512 * conf->method = NULL; |
| 509 | 1513 * conf->headers_source = NULL; |
| 1514 * conf->headers_set_len = NULL; | |
| 1515 * conf->headers_set = NULL; | |
| 1516 * conf->headers_set_hash = NULL; | |
| 577 | 1517 * conf->body_set_len = NULL; |
| 1518 * conf->body_set = NULL; | |
| 1519 * conf->body_source = { 0, NULL }; | |
| 509 | 1520 * conf->rewrite_locations = NULL; |
| 507 | 1521 */ |
| 577 | 1522 |
|
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|
1523 conf->upstream.store = NGX_CONF_UNSET; |
|
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|
1524 conf->upstream.store_access = NGX_CONF_UNSET_UINT; |
| 581 | 1525 conf->upstream.buffering = NGX_CONF_UNSET; |
| 629 | 1526 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
| 581 | 1527 |
| 507 | 1528 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
| 1529 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 1530 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 1531 | |
| 1532 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
| 581 | 1533 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
| 529 | 1534 |
| 1535 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
| 577 | 1536 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
| 529 | 1537 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
| 509 | 1538 |
| 1539 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
| 1540 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
| 561 | 1541 |
| 657 | 1542 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
| 507 | 1543 |
| 1544 /* "proxy_cyclic_temp_file" is disabled */ | |
| 1545 conf->upstream.cyclic_temp_file = 0; | |
| 1546 | |
| 509 | 1547 conf->redirect = NGX_CONF_UNSET; |
| 649 | 1548 conf->upstream.change_buffering = 1; |
| 507 | 1549 |
|
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|
1550 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
|
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|
1551 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
|
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|
1552 |
| 507 | 1553 return conf; |
| 1554 } | |
| 1555 | |
| 1556 | |
| 1557 static char * | |
| 1558 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1559 { | |
| 1560 ngx_http_proxy_loc_conf_t *prev = parent; | |
| 1561 ngx_http_proxy_loc_conf_t *conf = child; | |
| 1562 | |
| 509 | 1563 u_char *p; |
| 1564 size_t size; | |
| 1565 uintptr_t *code; | |
| 649 | 1566 ngx_str_t *header; |
| 1567 ngx_uint_t i, j; | |
| 1568 ngx_array_t hide_headers; | |
| 1569 ngx_keyval_t *src, *s, *h; | |
| 1570 ngx_hash_key_t *hk; | |
| 1571 ngx_hash_init_t hash; | |
| 509 | 1572 ngx_http_proxy_redirect_t *pr; |
| 1573 ngx_http_script_compile_t sc; | |
| 1574 ngx_http_script_copy_code_t *copy; | |
| 1575 | |
|
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|
1576 if (conf->upstream.store != 0) { |
|
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|
1577 ngx_conf_merge_value(conf->upstream.store, |
|
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proxy_store and fastcgi_store were changed,
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|
1578 prev->upstream.store, 0); |
|
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diff
changeset
|
1579 |
|
5383f5232364
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diff
changeset
|
1580 if (conf->upstream.store_lengths == NULL) { |
|
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diff
changeset
|
1581 conf->upstream.store_lengths = prev->upstream.store_lengths; |
|
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changeset
|
1582 conf->upstream.store_values = prev->upstream.store_values; |
|
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|
1583 } |
|
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|
1584 } |
|
5383f5232364
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|
1585 |
|
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parents:
1291
diff
changeset
|
1586 ngx_conf_merge_uint_value(conf->upstream.store_access, |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1587 prev->upstream.store_access, 0600); |
|
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13a4ce6e7f1e
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1244
diff
changeset
|
1588 |
| 581 | 1589 ngx_conf_merge_value(conf->upstream.buffering, |
| 1590 prev->upstream.buffering, 1); | |
| 1591 | |
| 629 | 1592 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
| 1593 prev->upstream.ignore_client_abort, 0); | |
| 1594 | |
| 507 | 1595 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
| 1596 prev->upstream.connect_timeout, 60000); | |
| 1597 | |
| 1598 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 1599 prev->upstream.send_timeout, 60000); | |
| 1600 | |
| 1601 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 1602 prev->upstream.read_timeout, 60000); | |
| 1603 | |
| 1604 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
| 1605 prev->upstream.send_lowat, 0); | |
| 1606 | |
| 581 | 1607 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
| 1608 prev->upstream.buffer_size, | |
| 507 | 1609 (size_t) ngx_pagesize); |
| 1610 | |
| 1611 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
| 1612 8, ngx_pagesize); | |
| 1613 | |
| 1614 if (conf->upstream.bufs.num < 2) { | |
| 577 | 1615 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 507 | 1616 "there must be at least 2 \"proxy_buffers\""); |
| 1617 return NGX_CONF_ERROR; | |
| 1618 } | |
| 577 | 1619 |
| 507 | 1620 |
| 581 | 1621 size = conf->upstream.buffer_size; |
| 577 | 1622 if (size < conf->upstream.bufs.size) { |
| 507 | 1623 size = conf->upstream.bufs.size; |
| 1624 } | |
| 1625 | |
| 1626 | |
| 529 | 1627 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
| 1628 prev->upstream.busy_buffers_size_conf, | |
| 507 | 1629 NGX_CONF_UNSET_SIZE); |
| 1630 | |
| 529 | 1631 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1632 conf->upstream.busy_buffers_size = 2 * size; |
| 529 | 1633 } else { |
| 1634 conf->upstream.busy_buffers_size = | |
| 1635 conf->upstream.busy_buffers_size_conf; | |
| 1636 } | |
| 577 | 1637 |
| 529 | 1638 if (conf->upstream.busy_buffers_size < size) { |
| 507 | 1639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1640 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
|
1125
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|
1641 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 1642 "one of the \"proxy_buffers\""); |
| 1643 | |
| 1644 return NGX_CONF_ERROR; | |
| 529 | 1645 } |
| 507 | 1646 |
| 529 | 1647 if (conf->upstream.busy_buffers_size |
| 1648 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
| 507 | 1649 { |
| 1650 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1651 "\"proxy_busy_buffers_size\" must be less than " | |
| 1652 "the size of all \"proxy_buffers\" minus one buffer"); | |
| 1653 | |
| 1654 return NGX_CONF_ERROR; | |
| 1655 } | |
| 529 | 1656 |
| 507 | 1657 |
| 529 | 1658 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
| 1659 prev->upstream.temp_file_write_size_conf, | |
| 507 | 1660 NGX_CONF_UNSET_SIZE); |
| 1661 | |
| 529 | 1662 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1663 conf->upstream.temp_file_write_size = 2 * size; |
| 529 | 1664 } else { |
| 1665 conf->upstream.temp_file_write_size = | |
| 1666 conf->upstream.temp_file_write_size_conf; | |
| 1667 } | |
| 577 | 1668 |
| 529 | 1669 if (conf->upstream.temp_file_write_size < size) { |
| 507 | 1670 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1671 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
|
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|
1672 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 1673 "one of the \"proxy_buffers\""); |
| 1674 | |
| 1675 return NGX_CONF_ERROR; | |
| 1676 } | |
| 1677 | |
| 529 | 1678 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
| 1679 prev->upstream.max_temp_file_size_conf, | |
| 507 | 1680 NGX_CONF_UNSET_SIZE); |
| 1681 | |
| 529 | 1682 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1683 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
| 529 | 1684 } else { |
| 1685 conf->upstream.max_temp_file_size = | |
| 1686 conf->upstream.max_temp_file_size_conf; | |
| 1687 } | |
| 507 | 1688 |
| 529 | 1689 if (conf->upstream.max_temp_file_size != 0 |
| 1690 && conf->upstream.max_temp_file_size < size) | |
| 507 | 1691 { |
| 1692 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 561 | 1693 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
| 507 | 1694 "the temporary files usage or must be equal or bigger than " |
|
1125
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parents:
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|
1695 "maximum of the value of \"proxy_buffer_size\" and " |
| 561 | 1696 "one of the \"proxy_buffers\""); |
| 507 | 1697 |
| 1698 return NGX_CONF_ERROR; | |
| 1699 } | |
| 1700 | |
| 529 | 1701 |
| 507 | 1702 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
| 1703 prev->upstream.next_upstream, | |
| 1704 (NGX_CONF_BITMASK_SET | |
| 1705 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 1706 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 1707 | |
| 665 | 1708 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
| 1709 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 1710 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1711 } | |
| 1712 | |
| 509 | 1713 ngx_conf_merge_path_value(conf->upstream.temp_path, |
| 1714 prev->upstream.temp_path, | |
| 1715 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0, | |
| 1716 ngx_garbage_collector_temp_handler, cf); | |
| 507 | 1717 |
| 561 | 1718 if (conf->method.len == 0) { |
| 1719 conf->method = prev->method; | |
| 1720 | |
| 1721 } else { | |
| 1722 conf->method.data[conf->method.len] = ' '; | |
| 1723 conf->method.len++; | |
| 509 | 1724 } |
| 1725 | |
| 1726 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
| 1727 prev->upstream.pass_request_headers, 1); | |
| 1728 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
| 1729 prev->upstream.pass_request_body, 1); | |
| 1730 | |
| 657 | 1731 ngx_conf_merge_value(conf->upstream.intercept_errors, |
| 1732 prev->upstream.intercept_errors, 0); | |
| 509 | 1733 |
| 1734 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); | |
| 1735 | |
| 1736 if (conf->redirect) { | |
| 507 | 1737 |
| 509 | 1738 if (conf->redirects == NULL) { |
| 1739 conf->redirects = prev->redirects; | |
| 1740 } | |
| 1741 | |
| 1742 if (conf->redirects == NULL && conf->upstream.url.data) { | |
| 1743 | |
| 1744 conf->redirects = ngx_array_create(cf->pool, 1, | |
| 1745 sizeof(ngx_http_proxy_redirect_t)); | |
| 1746 if (conf->redirects == NULL) { | |
| 1747 return NGX_CONF_ERROR; | |
| 1748 } | |
| 1749 | |
| 1750 pr = ngx_array_push(conf->redirects); | |
| 1751 if (pr == NULL) { | |
| 1752 return NGX_CONF_ERROR; | |
| 1753 } | |
| 1754 | |
| 1755 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 1756 pr->redirect = conf->upstream.url; | |
| 653 | 1757 |
| 1758 if (conf->upstream.uri.len) { | |
| 1759 pr->replacement.text = conf->upstream.location; | |
| 1760 | |
| 1761 } else { | |
| 1762 pr->replacement.text.len = 0; | |
| 1763 pr->replacement.text.data = NULL; | |
| 1764 } | |
| 509 | 1765 } |
| 1766 } | |
| 1767 | |
|
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|
1768 ngx_conf_merge_uint_value(conf->headers_hash_max_size, |
|
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|
1769 prev->headers_hash_max_size, 512); |
|
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|
1770 |
|
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|
1771 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, |
|
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|
1772 prev->headers_hash_bucket_size, 64); |
|
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|
1773 |
|
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|
1774 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
|
1775 ngx_cacheline_size); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1776 |
| 649 | 1777 if (conf->upstream.hide_headers == NULL |
| 1778 && conf->upstream.pass_headers == NULL) | |
| 1779 { | |
| 1780 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
| 1781 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
| 1782 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash; | |
| 1783 | |
| 1784 if (conf->upstream.hide_headers_hash.buckets) { | |
| 1785 goto peers; | |
| 1786 } | |
| 1787 | |
| 1788 } else { | |
| 1789 if (conf->upstream.hide_headers == NULL) { | |
| 1790 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
| 1791 } | |
| 1792 | |
| 1793 if (conf->upstream.pass_headers == NULL) { | |
| 1794 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
| 1795 } | |
| 1796 } | |
| 1797 | |
| 1798 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 1799 != NGX_OK) | |
| 1800 { | |
| 1801 return NGX_CONF_ERROR; | |
| 1802 } | |
| 1803 | |
| 1804 for (header = ngx_http_proxy_hide_headers; header->len; header++) { | |
| 1805 hk = ngx_array_push(&hide_headers); | |
| 1806 if (hk == NULL) { | |
| 1807 return NGX_CONF_ERROR; | |
| 1808 } | |
| 1809 | |
| 1810 hk->key = *header; | |
| 1811 hk->key_hash = ngx_hash_key_lc(header->data, header->len); | |
| 1812 hk->value = (void *) 1; | |
| 1813 } | |
| 1814 | |
| 1815 if (conf->upstream.hide_headers) { | |
| 1816 | |
| 1817 header = conf->upstream.hide_headers->elts; | |
| 1818 | |
| 1819 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) { | |
| 1820 | |
| 1821 hk = hide_headers.elts; | |
| 1822 | |
| 1823 for (j = 0; j < hide_headers.nelts; j++) { | |
| 1824 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
| 1825 goto exist; | |
| 1826 } | |
| 1827 } | |
| 1828 | |
| 1829 hk = ngx_array_push(&hide_headers); | |
| 1830 if (hk == NULL) { | |
| 1831 return NGX_CONF_ERROR; | |
| 1832 } | |
| 1833 | |
| 1834 hk->key = header[i]; | |
| 1835 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len); | |
| 1836 hk->value = (void *) 1; | |
| 1837 | |
| 1838 exist: | |
| 1839 | |
| 1840 continue; | |
| 1841 } | |
| 1842 } | |
| 1843 | |
| 1844 if (conf->upstream.pass_headers) { | |
| 1845 | |
| 1846 hk = hide_headers.elts; | |
| 1847 header = conf->upstream.pass_headers->elts; | |
| 1848 | |
| 1849 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) { | |
| 1850 for (j = 0; j < hide_headers.nelts; j++) { | |
| 1851 | |
| 1852 if (hk[j].key.data == NULL) { | |
| 1853 continue; | |
| 1854 } | |
| 1855 | |
| 1856 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
| 1857 hk[j].key.data = NULL; | |
| 1858 break; | |
| 1859 } | |
| 1860 } | |
| 1861 } | |
| 1862 } | |
| 1863 | |
| 1864 hash.hash = &conf->upstream.hide_headers_hash; | |
| 1865 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
|
1866 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
|
1867 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
|
1868 hash.name = "proxy_headers_hash"; |
| 649 | 1869 hash.pool = cf->pool; |
| 1870 hash.temp_pool = NULL; | |
| 1871 | |
| 1872 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) { | |
| 1873 return NGX_CONF_ERROR; | |
| 1874 } | |
| 1875 | |
| 1876 peers: | |
| 507 | 1877 |
| 884 | 1878 if (conf->upstream.upstream == NULL) { |
| 1879 conf->upstream.upstream = prev->upstream.upstream; | |
| 629 | 1880 |
| 1881 conf->host_header = prev->host_header; | |
| 906 | 1882 conf->port = prev->port; |
| 629 | 1883 conf->upstream.schema = prev->upstream.schema; |
| 507 | 1884 } |
| 1885 | |
| 577 | 1886 |
| 1887 if (conf->body_source.data == NULL) { | |
| 1888 conf->body_source = prev->body_source; | |
| 1889 conf->body_set_len = prev->body_set_len; | |
| 1890 conf->body_set = prev->body_set; | |
| 1891 } | |
| 1892 | |
| 579 | 1893 if (conf->body_source.data && conf->body_set_len == NULL) { |
| 577 | 1894 |
| 1895 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1896 | |
| 1897 sc.cf = cf; | |
| 1898 sc.source = &conf->body_source; | |
| 1899 sc.flushes = &conf->flushes; | |
| 1900 sc.lengths = &conf->body_set_len; | |
| 1901 sc.values = &conf->body_set; | |
| 1902 sc.complete_lengths = 1; | |
| 1903 sc.complete_values = 1; | |
| 1904 | |
| 1905 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1906 return NGX_CONF_ERROR; | |
| 1907 } | |
| 1908 | |
| 1909 if (conf->headers_source == NULL) { | |
| 1910 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 1911 sizeof(ngx_keyval_t)); |
| 577 | 1912 if (conf->headers_source == NULL) { |
| 1913 return NGX_CONF_ERROR; | |
| 1914 } | |
| 1915 } | |
| 1916 | |
| 1917 s = ngx_array_push(conf->headers_source); | |
| 1918 if (s == NULL) { | |
| 1919 return NGX_CONF_ERROR; | |
| 1920 } | |
| 1921 | |
| 1922 s->key.len = sizeof("Content-Length") - 1; | |
| 1923 s->key.data = (u_char *) "Content-Length"; | |
| 1924 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
| 1925 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
| 1926 } | |
| 1927 | |
| 1928 | |
| 509 | 1929 if (conf->headers_source == NULL) { |
| 573 | 1930 conf->flushes = prev->flushes; |
| 507 | 1931 conf->headers_set_len = prev->headers_set_len; |
| 1932 conf->headers_set = prev->headers_set; | |
| 1933 conf->headers_set_hash = prev->headers_set_hash; | |
| 573 | 1934 conf->headers_source = prev->headers_source; |
| 507 | 1935 } |
| 1936 | |
| 649 | 1937 if (conf->headers_set_hash.buckets) { |
| 509 | 1938 return NGX_CONF_OK; |
| 1939 } | |
| 1940 | |
| 1941 | |
| 649 | 1942 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
| 509 | 1943 if (conf->headers_names == NULL) { |
| 1944 return NGX_CONF_ERROR; | |
| 1945 } | |
| 1946 | |
| 1947 if (conf->headers_source == NULL) { | |
| 1948 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 1949 sizeof(ngx_keyval_t)); |
| 509 | 1950 if (conf->headers_source == NULL) { |
| 1951 return NGX_CONF_ERROR; | |
| 1952 } | |
| 1953 } | |
| 507 | 1954 |
| 509 | 1955 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
| 1956 if (conf->headers_set_len == NULL) { | |
| 1957 return NGX_CONF_ERROR; | |
| 1958 } | |
| 1959 | |
| 1960 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
| 1961 if (conf->headers_set == NULL) { | |
| 1962 return NGX_CONF_ERROR; | |
| 1963 } | |
| 1964 | |
| 1965 | |
| 1966 src = conf->headers_source->elts; | |
| 1967 | |
| 1968 for (h = ngx_http_proxy_headers; h->key.len; h++) { | |
| 1969 | |
| 1970 for (i = 0; i < conf->headers_source->nelts; i++) { | |
| 1971 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 1972 goto next; | |
| 507 | 1973 } |
| 1974 } | |
| 1975 | |
| 509 | 1976 s = ngx_array_push(conf->headers_source); |
| 1977 if (s == NULL) { | |
| 507 | 1978 return NGX_CONF_ERROR; |
| 1979 } | |
| 1980 | |
| 509 | 1981 *s = *h; |
| 507 | 1982 |
| 517 | 1983 src = conf->headers_source->elts; |
| 1984 | |
| 509 | 1985 next: |
| 507 | 1986 |
| 509 | 1987 continue; |
| 1988 } | |
| 507 | 1989 |
| 577 | 1990 |
| 1991 src = conf->headers_source->elts; | |
| 509 | 1992 for (i = 0; i < conf->headers_source->nelts; i++) { |
| 507 | 1993 |
| 649 | 1994 hk = ngx_array_push(conf->headers_names); |
| 1995 if (hk == NULL) { | |
| 507 | 1996 return NGX_CONF_ERROR; |
| 1997 } | |
| 1998 | |
| 649 | 1999 hk->key = src[i].key; |
| 2000 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
| 2001 hk->value = (void *) 1; | |
| 509 | 2002 |
| 519 | 2003 if (src[i].value.len == 0) { |
| 2004 continue; | |
| 2005 } | |
| 2006 | |
| 509 | 2007 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
| 2008 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2009 sizeof(ngx_http_script_copy_code_t)); | |
| 2010 if (copy == NULL) { | |
| 2011 return NGX_CONF_ERROR; | |
| 2012 } | |
| 2013 | |
| 2014 copy->code = (ngx_http_script_code_pt) | |
| 2015 ngx_http_script_copy_len_code; | |
| 2016 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 2017 + src[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 2018 |
| 2019 | |
| 509 | 2020 size = (sizeof(ngx_http_script_copy_code_t) |
| 2021 + src[i].key.len + sizeof(": ") - 1 | |
| 2022 + src[i].value.len + sizeof(CRLF) - 1 | |
| 2023 + sizeof(uintptr_t) - 1) | |
| 2024 & ~(sizeof(uintptr_t) - 1); | |
| 2025 | |
| 2026 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2027 if (copy == NULL) { | |
| 2028 return NGX_CONF_ERROR; | |
| 2029 } | |
| 2030 | |
| 2031 copy->code = ngx_http_script_copy_code; | |
| 2032 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 2033 + src[i].value.len + sizeof(CRLF) - 1; | |
| 2034 | |
| 2035 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2036 | |
| 2037 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2038 *p++ = ':'; *p++ = ' '; | |
| 2039 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
| 2040 *p++ = CR; *p = LF; | |
| 2041 | |
| 2042 } else { | |
| 2043 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2044 sizeof(ngx_http_script_copy_code_t)); | |
| 2045 if (copy == NULL) { | |
| 2046 return NGX_CONF_ERROR; | |
| 2047 } | |
| 2048 | |
| 2049 copy->code = (ngx_http_script_code_pt) | |
| 2050 ngx_http_script_copy_len_code; | |
| 2051 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 507 | 2052 |
| 2053 | |
| 509 | 2054 size = (sizeof(ngx_http_script_copy_code_t) |
| 2055 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
| 2056 & ~(sizeof(uintptr_t) - 1); | |
| 2057 | |
| 2058 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2059 if (copy == NULL) { | |
| 2060 return NGX_CONF_ERROR; | |
| 2061 } | |
| 2062 | |
| 2063 copy->code = ngx_http_script_copy_code; | |
| 2064 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 2065 | |
| 2066 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2067 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2068 *p++ = ':'; *p = ' '; | |
| 2069 | |
| 2070 | |
| 2071 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2072 | |
| 2073 sc.cf = cf; | |
| 2074 sc.source = &src[i].value; | |
| 573 | 2075 sc.flushes = &conf->flushes; |
| 509 | 2076 sc.lengths = &conf->headers_set_len; |
| 2077 sc.values = &conf->headers_set; | |
| 2078 | |
| 2079 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2080 return NGX_CONF_ERROR; | |
| 2081 } | |
| 2082 | |
| 2083 | |
| 2084 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2085 sizeof(ngx_http_script_copy_code_t)); | |
| 2086 if (copy == NULL) { | |
| 2087 return NGX_CONF_ERROR; | |
| 2088 } | |
| 2089 | |
| 2090 copy->code = (ngx_http_script_code_pt) | |
| 2091 ngx_http_script_copy_len_code; | |
| 2092 copy->len = sizeof(CRLF) - 1; | |
| 2093 | |
| 2094 | |
| 2095 size = (sizeof(ngx_http_script_copy_code_t) | |
| 2096 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
| 2097 & ~(sizeof(uintptr_t) - 1); | |
| 2098 | |
| 2099 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2100 if (copy == NULL) { | |
| 2101 return NGX_CONF_ERROR; | |
| 2102 } | |
| 2103 | |
| 2104 copy->code = ngx_http_script_copy_code; | |
| 2105 copy->len = sizeof(CRLF) - 1; | |
| 2106 | |
| 2107 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2108 *p++ = CR; *p = LF; | |
| 507 | 2109 } |
| 2110 | |
| 509 | 2111 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2112 if (code == NULL) { | |
| 507 | 2113 return NGX_CONF_ERROR; |
| 2114 } | |
| 2115 | |
| 509 | 2116 *code = (uintptr_t) NULL; |
| 2117 | |
| 2118 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
| 2119 if (code == NULL) { | |
| 2120 return NGX_CONF_ERROR; | |
| 2121 } | |
| 2122 | |
| 2123 *code = (uintptr_t) NULL; | |
| 507 | 2124 } |
| 2125 | |
| 509 | 2126 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2127 if (code == NULL) { | |
| 2128 return NGX_CONF_ERROR; | |
| 507 | 2129 } |
| 2130 | |
| 509 | 2131 *code = (uintptr_t) NULL; |
| 507 | 2132 |
| 2133 | |
| 649 | 2134 hash.hash = &conf->headers_set_hash; |
| 2135 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
|
2136 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
|
2137 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
|
2138 hash.name = "proxy_headers_hash"; |
| 649 | 2139 hash.pool = cf->pool; |
| 2140 hash.temp_pool = NULL; | |
| 2141 | |
| 2142 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
| 2143 conf->headers_names->nelts) | |
| 2144 != NGX_OK) | |
| 2145 { | |
| 2146 return NGX_CONF_ERROR; | |
| 2147 } | |
| 2148 | |
| 509 | 2149 return NGX_CONF_OK; |
| 507 | 2150 } |
| 2151 | |
| 2152 | |
| 2153 static char * | |
| 2154 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 2155 { | |
| 509 | 2156 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 507 | 2157 |
| 1244 | 2158 u_char *p; |
| 2159 size_t add; | |
| 2160 u_short port; | |
| 2161 ngx_str_t *value, *url; | |
| 2162 ngx_url_t u; | |
| 2163 ngx_http_core_loc_conf_t *clcf; | |
| 577 | 2164 #if (NGX_HTTP_SSL) |
| 1244 | 2165 ngx_pool_cleanup_t *cln; |
| 577 | 2166 #endif |
| 507 | 2167 |
| 555 | 2168 if (plcf->upstream.schema.len) { |
| 2169 return "is duplicate"; | |
| 2170 } | |
| 2171 | |
| 507 | 2172 value = cf->args->elts; |
| 2173 | |
| 2174 url = &value[1]; | |
| 2175 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2176 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
| 577 | 2177 add = 7; |
| 591 | 2178 port = 80; |
| 577 | 2179 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2180 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
| 577 | 2181 |
| 2182 #if (NGX_HTTP_SSL) | |
| 2183 | |
| 2184 add = 8; | |
| 591 | 2185 port = 443; |
| 577 | 2186 |
| 2187 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 2188 if (plcf->upstream.ssl == NULL) { | |
| 2189 return NGX_CONF_ERROR; | |
| 2190 } | |
| 2191 | |
| 2192 plcf->upstream.ssl->log = cf->log; | |
| 2193 | |
| 2194 if (ngx_ssl_create(plcf->upstream.ssl, | |
| 969 | 2195 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) |
| 577 | 2196 != NGX_OK) |
| 2197 { | |
| 2198 return NGX_CONF_ERROR; | |
| 2199 } | |
| 2200 | |
| 2201 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 2202 if (cln == NULL) { | |
| 2203 return NGX_CONF_ERROR; | |
| 2204 } | |
| 2205 | |
| 2206 cln->handler = ngx_ssl_cleanup_ctx; | |
| 2207 cln->data = plcf->upstream.ssl; | |
| 2208 | |
| 2209 #else | |
| 2210 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2211 "https protocol requires SSL support"); | |
| 2212 return NGX_CONF_ERROR; | |
| 2213 #endif | |
| 2214 | |
| 2215 } else { | |
| 507 | 2216 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
| 2217 return NGX_CONF_ERROR; | |
| 2218 } | |
| 2219 | |
| 651 | 2220 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 2221 | |
| 2222 u.url.len = url->len - add; | |
| 2223 u.url.data = url->data + add; | |
| 906 | 2224 u.default_port = port; |
| 2225 u.uri_part = 1; | |
| 884 | 2226 u.no_resolve = 1; |
| 2227 | |
| 2228 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 2229 if (plcf->upstream.upstream == NULL) { | |
| 507 | 2230 return NGX_CONF_ERROR; |
| 2231 } | |
| 2232 | |
| 906 | 2233 if (!u.unix_socket) { |
| 2234 if (u.no_port || u.port == port) { | |
| 2235 plcf->host_header = u.host; | |
| 2236 | |
| 2237 if (port == 80) { | |
| 2238 plcf->port.len = sizeof("80") - 1; | |
| 2239 plcf->port.data = (u_char *) "80"; | |
| 1339 | 2240 |
| 906 | 2241 } else { |
| 2242 plcf->port.len = sizeof("443") - 1; | |
| 2243 plcf->port.data = (u_char *) "443"; | |
| 2244 } | |
| 2245 | |
| 2246 } else { | |
| 2247 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1); | |
| 2248 if (p == NULL) { | |
| 2249 return NGX_CONF_ERROR; | |
| 2250 } | |
| 2251 | |
| 2252 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port) | |
| 2253 - p; | |
| 2254 plcf->host_header.data = p; | |
| 2255 | |
| 2256 plcf->port.len = plcf->host_header.len - u.host.len - 1; | |
| 2257 plcf->port.data = p + u.host.len + 1; | |
| 2258 } | |
| 2259 | |
| 2260 | |
| 2261 } else { | |
| 2262 plcf->host_header.len = sizeof("localhost") - 1; | |
| 2263 plcf->host_header.data = (u_char *) "localhost"; | |
| 2264 plcf->port.len = 0; | |
| 2265 plcf->port.data = (u_char *) ""; | |
| 2266 } | |
| 2267 | |
| 651 | 2268 plcf->upstream.uri = u.uri; |
| 2269 | |
| 591 | 2270 plcf->upstream.schema.len = add; |
| 2271 plcf->upstream.schema.data = url->data; | |
| 509 | 2272 |
| 507 | 2273 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
| 2274 | |
| 2275 clcf->handler = ngx_http_proxy_handler; | |
| 2276 | |
| 573 | 2277 plcf->upstream.location = clcf->name; |
| 555 | 2278 |
| 1353 | 2279 if (clcf->named |
| 507 | 2280 #if (NGX_PCRE) |
| 1353 | 2281 || clcf->regex |
| 2282 #endif | |
| 2283 || clcf->noname) | |
| 2284 { | |
| 573 | 2285 if (plcf->upstream.uri.len) { |
| 2286 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2287 "\"proxy_pass\" may not have URI part in " | |
|
843
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diff
changeset
|
2288 "location given by regular expression, " |
| 1353 | 2289 "or inside named location, " |
|
843
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diff
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|
2290 "or inside the \"if\" statement, " |
|
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diff
changeset
|
2291 "or inside the \"limit_except\" block"); |
| 573 | 2292 return NGX_CONF_ERROR; |
| 2293 } | |
| 2294 | |
| 2295 plcf->upstream.location.len = 0; | |
| 555 | 2296 } |
| 2297 | |
| 509 | 2298 plcf->upstream.url = *url; |
| 2299 | |
| 507 | 2300 if (clcf->name.data[clcf->name.len - 1] == '/') { |
| 2301 clcf->auto_redirect = 1; | |
| 2302 } | |
| 2303 | |
| 2304 return NGX_CONF_OK; | |
| 2305 } | |
| 2306 | |
| 2307 | |
| 2308 static char * | |
| 509 | 2309 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 507 | 2310 { |
| 509 | 2311 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2312 | |
| 2313 ngx_str_t *value; | |
| 2314 ngx_array_t *vars_lengths, *vars_values; | |
| 2315 ngx_http_script_compile_t sc; | |
| 2316 ngx_http_proxy_redirect_t *pr; | |
| 2317 | |
| 2318 if (plcf->redirect == 0) { | |
| 2319 return NGX_CONF_OK; | |
| 2320 } | |
| 2321 | |
| 2322 value = cf->args->elts; | |
| 2323 | |
| 2324 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 2325 plcf->redirect = 0; | |
| 2326 plcf->redirects = NULL; | |
| 2327 return NGX_CONF_OK; | |
| 2328 } | |
| 2329 | |
| 2330 if (plcf->redirects == NULL) { | |
| 2331 plcf->redirects = ngx_array_create(cf->pool, 1, | |
| 2332 sizeof(ngx_http_proxy_redirect_t)); | |
| 2333 if (plcf->redirects == NULL) { | |
| 2334 return NGX_CONF_ERROR; | |
| 2335 } | |
| 2336 } | |
| 2337 | |
| 2338 pr = ngx_array_push(plcf->redirects); | |
| 2339 if (pr == NULL) { | |
| 2340 return NGX_CONF_ERROR; | |
| 2341 } | |
| 2342 | |
| 2343 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
| 2344 if (plcf->upstream.url.data == NULL) { | |
| 2345 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2346 "\"proxy_rewrite_location default\" must go " | |
| 2347 "after the \"proxy_pass\" directive"); | |
| 2348 return NGX_CONF_ERROR; | |
| 2349 } | |
| 2350 | |
| 2351 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 2352 pr->redirect = plcf->upstream.url; | |
| 653 | 2353 |
| 2354 if (plcf->upstream.uri.len) { | |
| 2355 pr->replacement.text = plcf->upstream.location; | |
| 2356 | |
| 2357 } else { | |
| 2358 pr->replacement.text.len = 0; | |
| 2359 pr->replacement.text.data = NULL; | |
| 2360 } | |
| 509 | 2361 |
| 2362 return NGX_CONF_OK; | |
| 2363 } | |
| 2364 | |
| 2365 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
| 2366 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 2367 pr->redirect = value[1]; | |
| 2368 pr->replacement.text = value[2]; | |
| 2369 | |
| 2370 return NGX_CONF_OK; | |
| 2371 } | |
| 2372 | |
| 2373 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2374 | |
| 2375 vars_lengths = NULL; | |
| 2376 vars_values = NULL; | |
| 2377 | |
| 2378 sc.cf = cf; | |
| 2379 sc.source = &value[2]; | |
| 2380 sc.lengths = &vars_lengths; | |
| 2381 sc.values = &vars_values; | |
| 2382 sc.complete_lengths = 1; | |
| 2383 sc.complete_values = 1; | |
| 2384 | |
| 2385 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2386 return NGX_CONF_ERROR; | |
| 2387 } | |
| 2388 | |
| 2389 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
| 2390 pr->redirect = value[1]; | |
| 2391 pr->replacement.vars.lengths = vars_lengths->elts; | |
| 2392 pr->replacement.vars.values = vars_values->elts; | |
| 2393 | |
| 507 | 2394 return NGX_CONF_OK; |
| 2395 } | |
| 2396 | |
| 2397 | |
| 2398 static char * | |
|
1295
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diff
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|
2399 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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|
2400 { |
|
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|
2401 ngx_http_proxy_loc_conf_t *plcf = conf; |
|
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|
2402 |
|
5383f5232364
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|
2403 ngx_str_t *value; |
|
5383f5232364
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|
2404 ngx_http_script_compile_t sc; |
|
5383f5232364
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|
2405 |
|
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diff
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|
2406 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths) |
|
5383f5232364
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diff
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|
2407 { |
|
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2408 return "is duplicate"; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2409 } |
|
5383f5232364
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diff
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|
2410 |
|
5383f5232364
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diff
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|
2411 value = cf->args->elts; |
|
5383f5232364
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diff
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|
2412 |
|
5383f5232364
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diff
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|
2413 if (ngx_strcmp(value[1].data, "on") == 0) { |
|
5383f5232364
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diff
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|
2414 plcf->upstream.store = 1; |
|
5383f5232364
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diff
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|
2415 return NGX_CONF_OK; |
|
5383f5232364
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diff
changeset
|
2416 } |
|
5383f5232364
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diff
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|
2417 |
|
5383f5232364
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diff
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|
2418 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
5383f5232364
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diff
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|
2419 plcf->upstream.store = 0; |
|
5383f5232364
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diff
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|
2420 return NGX_CONF_OK; |
|
5383f5232364
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diff
changeset
|
2421 } |
|
5383f5232364
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|
2422 |
|
5383f5232364
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diff
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|
2423 /* include the terminating '\0' into script */ |
|
5383f5232364
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diff
changeset
|
2424 value[1].len++; |
|
5383f5232364
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diff
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|
2425 |
|
5383f5232364
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|
2426 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
|
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|
2427 |
|
5383f5232364
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|
2428 sc.cf = cf; |
|
5383f5232364
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diff
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|
2429 sc.source = &value[1]; |
|
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diff
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|
2430 sc.lengths = &plcf->upstream.store_lengths; |
|
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diff
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|
2431 sc.values = &plcf->upstream.store_values; |
|
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|
2432 sc.variables = ngx_http_script_variables_count(&value[1]);; |
|
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|
2433 sc.complete_lengths = 1; |
|
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diff
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|
2434 sc.complete_values = 1; |
|
5383f5232364
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|
2435 |
|
5383f5232364
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|
2436 if (ngx_http_script_compile(&sc) != NGX_OK) { |
|
5383f5232364
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diff
changeset
|
2437 return NGX_CONF_ERROR; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
changeset
|
2438 } |
|
5383f5232364
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diff
changeset
|
2439 |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2440 return NGX_CONF_OK; |
|
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2441 } |
|
5383f5232364
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diff
changeset
|
2442 |
|
5383f5232364
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diff
changeset
|
2443 |
|
5383f5232364
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diff
changeset
|
2444 static char * |
| 507 | 2445 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) |
| 2446 { | |
| 2447 #if (NGX_FREEBSD) | |
| 2448 ssize_t *np = data; | |
| 2449 | |
| 673 | 2450 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
| 507 | 2451 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2452 "\"proxy_send_lowat\" must be less than %d " | |
| 2453 "(sysctl net.inet.tcp.sendspace)", | |
| 2454 ngx_freebsd_net_inet_tcp_sendspace); | |
| 2455 | |
| 2456 return NGX_CONF_ERROR; | |
| 2457 } | |
| 2458 | |
| 2459 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
| 2460 ssize_t *np = data; | |
| 2461 | |
| 2462 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 2463 "\"proxy_send_lowat\" is not supported, ignored"); | |
| 2464 | |
| 2465 *np = 0; | |
| 2466 | |
| 2467 #endif | |
| 2468 | |
| 2469 return NGX_CONF_OK; | |
| 2470 } | |
| 884 | 2471 |
| 2472 | |
| 2473 static char * | |
| 2474 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
| 2475 ngx_command_t *cmd, void *conf) | |
| 2476 { | |
| 2477 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2478 "\"proxy_upstream_max_fails\" is not supported, " | |
| 2479 "use the \"max_fails\" parameter of the \"server\" directive ", | |
| 2480 "inside the \"upstream\" block"); | |
| 2481 | |
| 2482 return NGX_CONF_ERROR; | |
| 2483 } | |
| 2484 | |
| 2485 | |
| 2486 static char * | |
| 2487 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 2488 ngx_command_t *cmd, void *conf) | |
| 2489 { | |
| 2490 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2491 "\"proxy_upstream_fail_timeout\" is not supported, " | |
| 2492 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
| 2493 "inside the \"upstream\" block"); | |
| 2494 | |
| 2495 return NGX_CONF_ERROR; | |
| 2496 } |