Mercurial > hg > nginx
annotate src/http/modules/ngx_http_proxy_module.c @ 1180:1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 22 Apr 2007 20:21:59 +0000 |
| parents | 2d978e1443ed |
| children | 99914ee62b48 |
| 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); | |
| 507 | 108 |
| 109 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); | |
| 110 | |
| 884 | 111 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, |
| 112 ngx_command_t *cmd, void *conf); | |
| 113 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 114 ngx_command_t *cmd, void *conf); | |
| 115 | |
| 509 | 116 |
| 507 | 117 static ngx_conf_post_t ngx_http_proxy_lowat_post = |
| 509 | 118 { ngx_http_proxy_lowat_check }; |
| 119 | |
| 581 | 120 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = { |
| 121 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size" | |
| 122 }; | |
| 123 | |
| 657 | 124 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = { |
| 125 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors" | |
| 126 }; | |
| 127 | |
| 507 | 128 |
| 129 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { | |
| 130 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 131 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 132 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 133 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
| 623 | 134 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
| 507 | 135 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
| 665 | 136 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
| 507 | 137 { ngx_null_string, 0 } |
| 138 }; | |
| 139 | |
| 140 | |
| 141 static ngx_command_t ngx_http_proxy_commands[] = { | |
| 142 | |
| 143 { ngx_string("proxy_pass"), | |
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144 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
| 507 | 145 ngx_http_proxy_pass, |
| 146 NGX_HTTP_LOC_CONF_OFFSET, | |
| 147 0, | |
| 148 NULL }, | |
| 149 | |
| 509 | 150 { ngx_string("proxy_redirect"), |
| 151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
| 152 ngx_http_proxy_redirect, | |
| 153 NGX_HTTP_LOC_CONF_OFFSET, | |
| 154 0, | |
| 155 NULL }, | |
| 156 | |
| 581 | 157 { ngx_string("proxy_buffering"), |
| 158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 159 ngx_conf_set_flag_slot, | |
| 160 NGX_HTTP_LOC_CONF_OFFSET, | |
| 161 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), | |
| 162 NULL }, | |
| 163 | |
| 629 | 164 { ngx_string("proxy_ignore_client_abort"), |
| 165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 166 ngx_conf_set_flag_slot, | |
| 167 NGX_HTTP_LOC_CONF_OFFSET, | |
| 168 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
| 169 NULL }, | |
| 170 | |
| 507 | 171 { ngx_string("proxy_connect_timeout"), |
| 172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 173 ngx_conf_set_msec_slot, | |
| 174 NGX_HTTP_LOC_CONF_OFFSET, | |
| 175 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), | |
| 176 NULL }, | |
| 177 | |
| 178 { ngx_string("proxy_send_timeout"), | |
| 179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 180 ngx_conf_set_msec_slot, | |
| 181 NGX_HTTP_LOC_CONF_OFFSET, | |
| 182 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
| 183 NULL }, | |
| 184 | |
| 185 { ngx_string("proxy_send_lowat"), | |
| 186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 187 ngx_conf_set_size_slot, | |
| 188 NGX_HTTP_LOC_CONF_OFFSET, | |
| 189 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
| 190 &ngx_http_proxy_lowat_post }, | |
| 191 | |
| 657 | 192 { ngx_string("proxy_intercept_errors"), |
| 193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 194 ngx_conf_set_flag_slot, | |
| 195 NGX_HTTP_LOC_CONF_OFFSET, | |
| 196 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), | |
| 197 NULL }, | |
| 198 | |
| 509 | 199 { ngx_string("proxy_redirect_errors"), |
| 200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 201 ngx_conf_set_flag_slot, | |
| 202 NGX_HTTP_LOC_CONF_OFFSET, | |
| 657 | 203 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), |
| 204 &ngx_conf_deprecated_proxy_redirect_errors }, | |
| 509 | 205 |
| 206 { ngx_string("proxy_set_header"), | |
| 207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 649 | 208 ngx_conf_set_keyval_slot, |
| 507 | 209 NGX_HTTP_LOC_CONF_OFFSET, |
| 509 | 210 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
| 507 | 211 NULL }, |
| 212 | |
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213 { ngx_string("proxy_headers_hash_max_size"), |
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214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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215 ngx_conf_set_num_slot, |
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216 NGX_HTTP_LOC_CONF_OFFSET, |
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217 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
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218 NULL }, |
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219 |
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220 { ngx_string("proxy_headers_hash_bucket_size"), |
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221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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222 ngx_conf_set_num_slot, |
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223 NGX_HTTP_LOC_CONF_OFFSET, |
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224 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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225 NULL }, |
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226 |
| 577 | 227 { ngx_string("proxy_set_body"), |
| 228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 229 ngx_conf_set_str_slot, | |
| 230 NGX_HTTP_LOC_CONF_OFFSET, | |
| 231 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
| 232 NULL }, | |
| 233 | |
| 509 | 234 { ngx_string("proxy_method"), |
| 235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 561 | 236 ngx_conf_set_str_slot, |
| 509 | 237 NGX_HTTP_LOC_CONF_OFFSET, |
| 561 | 238 offsetof(ngx_http_proxy_loc_conf_t, method), |
| 239 NULL }, | |
| 509 | 240 |
| 241 { ngx_string("proxy_pass_request_headers"), | |
| 507 | 242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 243 ngx_conf_set_flag_slot, | |
| 244 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 245 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
| 507 | 246 NULL }, |
| 247 | |
| 509 | 248 { ngx_string("proxy_pass_request_body"), |
| 507 | 249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 250 ngx_conf_set_flag_slot, | |
| 251 NGX_HTTP_LOC_CONF_OFFSET, | |
| 509 | 252 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
| 507 | 253 NULL }, |
| 254 | |
| 581 | 255 { ngx_string("proxy_buffer_size"), |
| 256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 257 ngx_conf_set_size_slot, | |
| 258 NGX_HTTP_LOC_CONF_OFFSET, | |
| 259 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
| 260 NULL }, | |
| 261 | |
| 507 | 262 { ngx_string("proxy_header_buffer_size"), |
| 263 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 264 ngx_conf_set_size_slot, | |
| 265 NGX_HTTP_LOC_CONF_OFFSET, | |
| 581 | 266 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), |
| 267 &ngx_conf_deprecated_proxy_header_buffer_size }, | |
| 507 | 268 |
| 269 { ngx_string("proxy_read_timeout"), | |
| 270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 271 ngx_conf_set_msec_slot, | |
| 272 NGX_HTTP_LOC_CONF_OFFSET, | |
| 273 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
| 274 NULL }, | |
| 275 | |
| 276 { ngx_string("proxy_buffers"), | |
| 277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 278 ngx_conf_set_bufs_slot, | |
| 279 NGX_HTTP_LOC_CONF_OFFSET, | |
| 280 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
| 281 NULL }, | |
| 282 | |
| 283 { ngx_string("proxy_busy_buffers_size"), | |
| 284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 285 ngx_conf_set_size_slot, | |
| 286 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 287 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
| 507 | 288 NULL }, |
| 289 | |
| 290 { ngx_string("proxy_temp_path"), | |
| 291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 292 ngx_conf_set_path_slot, | |
| 293 NGX_HTTP_LOC_CONF_OFFSET, | |
| 294 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
| 295 (void *) ngx_garbage_collector_temp_handler }, | |
| 296 | |
| 297 { ngx_string("proxy_max_temp_file_size"), | |
| 298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 299 ngx_conf_set_size_slot, | |
| 300 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 301 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
| 507 | 302 NULL }, |
| 303 | |
| 304 { ngx_string("proxy_temp_file_write_size"), | |
| 305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 306 ngx_conf_set_size_slot, | |
| 307 NGX_HTTP_LOC_CONF_OFFSET, | |
| 529 | 308 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
| 507 | 309 NULL }, |
| 310 | |
| 311 { ngx_string("proxy_next_upstream"), | |
| 547 | 312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 507 | 313 ngx_conf_set_bitmask_slot, |
| 314 NGX_HTTP_LOC_CONF_OFFSET, | |
| 315 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
| 316 &ngx_http_proxy_next_upstream_masks }, | |
| 317 | |
| 561 | 318 { ngx_string("proxy_upstream_max_fails"), |
| 319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 320 ngx_http_proxy_upstream_max_fails_unsupported, |
| 321 0, | |
| 322 0, | |
| 561 | 323 NULL }, |
| 324 | |
| 325 { ngx_string("proxy_upstream_fail_timeout"), | |
| 326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 884 | 327 ngx_http_proxy_upstream_fail_timeout_unsupported, |
| 328 0, | |
| 329 0, | |
| 561 | 330 NULL }, |
| 331 | |
| 649 | 332 { ngx_string("proxy_pass_header"), |
| 507 | 333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 334 ngx_conf_set_str_array_slot, |
| 507 | 335 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 336 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
| 507 | 337 NULL }, |
| 338 | |
| 649 | 339 { ngx_string("proxy_hide_header"), |
| 507 | 340 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| 649 | 341 ngx_conf_set_str_array_slot, |
| 507 | 342 NGX_HTTP_LOC_CONF_OFFSET, |
| 649 | 343 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
| 507 | 344 NULL }, |
| 345 | |
| 346 ngx_null_command | |
| 347 }; | |
| 348 | |
| 349 | |
| 667 | 350 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
| 509 | 351 ngx_http_proxy_add_variables, /* preconfiguration */ |
| 352 NULL, /* postconfiguration */ | |
| 507 | 353 |
| 354 NULL, /* create main configuration */ | |
| 355 NULL, /* init main configuration */ | |
| 356 | |
| 357 NULL, /* create server configuration */ | |
| 358 NULL, /* merge server configuration */ | |
| 359 | |
| 360 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
| 361 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
| 362 }; | |
| 363 | |
| 364 | |
| 365 ngx_module_t ngx_http_proxy_module = { | |
| 509 | 366 NGX_MODULE_V1, |
| 507 | 367 &ngx_http_proxy_module_ctx, /* module context */ |
| 368 ngx_http_proxy_commands, /* module directives */ | |
| 369 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 370 NULL, /* init master */ |
| 509 | 371 NULL, /* init module */ |
| 541 | 372 NULL, /* init process */ |
| 373 NULL, /* init thread */ | |
| 374 NULL, /* exit thread */ | |
| 375 NULL, /* exit process */ | |
| 376 NULL, /* exit master */ | |
| 377 NGX_MODULE_V1_PADDING | |
| 507 | 378 }; |
| 379 | |
| 380 | |
| 381 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
| 382 | |
| 509 | 383 |
| 649 | 384 static ngx_keyval_t ngx_http_proxy_headers[] = { |
| 385 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
| 386 { ngx_string("Connection"), ngx_string("close") }, | |
| 387 { ngx_string("Keep-Alive"), ngx_string("") }, | |
| 388 { ngx_null_string, ngx_null_string } | |
| 389 }; | |
| 390 | |
| 391 | |
| 392 static ngx_str_t ngx_http_proxy_hide_headers[] = { | |
| 393 ngx_string("Date"), | |
| 394 ngx_string("Server"), | |
| 395 ngx_string("X-Pad"), | |
| 396 ngx_string("X-Accel-Expires"), | |
| 397 ngx_string("X-Accel-Redirect"), | |
| 398 ngx_string("X-Accel-Limit-Rate"), | |
| 399 ngx_string("X-Accel-Buffer"), | |
| 400 ngx_null_string | |
| 509 | 401 }; |
| 402 | |
| 403 | |
| 404 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
| 405 | |
| 637 | 406 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
| 583 | 407 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 408 |
| 637 | 409 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
| 583 | 410 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 411 |
| 637 | 412 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
| 583 | 413 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 414 |
| 415 #if 0 | |
| 637 | 416 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 509 | 417 #endif |
| 418 | |
| 637 | 419 { ngx_string("proxy_internal_body_length"), NULL, |
| 583 | 420 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
| 577 | 421 |
| 637 | 422 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 509 | 423 }; |
| 507 | 424 |
| 425 | |
| 426 static ngx_int_t | |
| 427 ngx_http_proxy_handler(ngx_http_request_t *r) | |
| 577 | 428 { |
| 507 | 429 ngx_int_t rc; |
| 430 ngx_http_upstream_t *u; | |
| 431 ngx_http_proxy_loc_conf_t *plcf; | |
| 577 | 432 |
| 507 | 433 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 577 | 434 |
| 507 | 435 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
| 436 if (u == NULL) { | |
| 437 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 438 } | |
| 577 | 439 |
| 507 | 440 u->peer.log = r->connection->log; |
| 441 u->peer.log_error = NGX_ERROR_ERR; | |
| 442 #if (NGX_THREADS) | |
| 443 u->peer.lock = &r->connection->lock; | |
| 444 #endif | |
| 445 | |
| 446 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
| 447 | |
| 448 u->conf = &plcf->upstream; | |
| 449 | |
| 450 u->create_request = ngx_http_proxy_create_request; | |
| 451 u->reinit_request = ngx_http_proxy_reinit_request; | |
| 509 | 452 u->process_header = ngx_http_proxy_process_status_line; |
| 507 | 453 u->abort_request = ngx_http_proxy_abort_request; |
| 454 u->finalize_request = ngx_http_proxy_finalize_request; | |
| 455 | |
| 509 | 456 if (plcf->redirects) { |
| 457 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
| 458 } | |
| 459 | |
| 649 | 460 u->buffering = plcf->upstream.buffering; |
| 461 | |
| 462 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
| 463 if (u->pipe == NULL) { | |
| 464 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 581 | 465 } |
| 507 | 466 |
| 649 | 467 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
| 468 | |
| 509 | 469 u->accel = 1; |
| 577 | 470 |
| 507 | 471 r->upstream = u; |
| 472 | |
| 473 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 474 | |
| 475 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 476 return rc; | |
| 477 } | |
| 478 | |
| 479 return NGX_DONE; | |
| 480 } | |
| 481 | |
| 482 | |
| 483 static ngx_int_t | |
| 484 ngx_http_proxy_create_request(ngx_http_request_t *r) | |
| 485 { | |
| 577 | 486 size_t len, loc_len, body_len; |
| 509 | 487 uintptr_t escape; |
| 488 ngx_buf_t *b; | |
| 649 | 489 ngx_str_t method; |
| 490 ngx_uint_t i, unparsed_uri; | |
| 509 | 491 ngx_chain_t *cl, *body; |
| 492 ngx_list_part_t *part; | |
| 493 ngx_table_elt_t *header; | |
| 494 ngx_http_upstream_t *u; | |
| 577 | 495 ngx_http_proxy_ctx_t *p; |
| 509 | 496 ngx_http_script_code_pt code; |
| 497 ngx_http_script_engine_t e, le; | |
| 498 ngx_http_proxy_loc_conf_t *plcf; | |
| 499 ngx_http_script_len_code_pt lcode; | |
| 507 | 500 |
| 501 u = r->upstream; | |
| 502 | |
| 503 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 504 | |
| 577 | 505 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); |
| 506 if (p == NULL) { | |
| 507 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 508 } | |
| 509 | |
| 510 ngx_http_set_ctx(r, p, ngx_http_proxy_module); | |
| 511 | |
| 507 | 512 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
| 513 | |
| 561 | 514 if (u->method.len) { |
| 515 /* HEAD was changed to GET to cache response */ | |
| 516 method = u->method; | |
| 517 method.len++; | |
| 518 | |
| 519 } else if (plcf->method.len) { | |
| 520 method = plcf->method; | |
| 521 | |
| 507 | 522 } else { |
| 561 | 523 method = r->method_name; |
| 524 method.len++; | |
| 507 | 525 } |
| 526 | |
| 561 | 527 len += method.len + u->conf->uri.len; |
| 528 | |
| 507 | 529 escape = 0; |
| 509 | 530 |
| 627 | 531 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len: |
| 532 0; | |
| 509 | 533 |
| 609 | 534 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) { |
| 535 unparsed_uri = 1; | |
| 539 | 536 len += r->unparsed_uri.len; |
| 507 | 537 |
| 538 } else { | |
| 609 | 539 unparsed_uri = 0; |
| 507 | 540 if (r->quoted_uri) { |
| 509 | 541 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
| 542 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 507 | 543 } |
| 544 | |
| 509 | 545 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len; |
| 507 | 546 } |
| 547 | |
| 573 | 548 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes); |
| 549 | |
| 577 | 550 if (plcf->body_set_len) { |
| 551 le.ip = plcf->body_set_len->elts; | |
| 552 le.request = r; | |
| 553 le.flushed = 1; | |
| 554 body_len = 0; | |
| 555 | |
| 556 while (*(uintptr_t *) le.ip) { | |
| 557 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 558 body_len += lcode(&le); | |
| 559 } | |
| 560 | |
| 561 p->internal_body_length = body_len; | |
| 562 len += body_len; | |
| 563 } | |
| 564 | |
| 509 | 565 le.ip = plcf->headers_set_len->elts; |
| 566 le.request = r; | |
| 573 | 567 le.flushed = 1; |
| 507 | 568 |
| 509 | 569 while (*(uintptr_t *) le.ip) { |
| 570 while (*(uintptr_t *) le.ip) { | |
| 571 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 572 len += lcode(&le); | |
| 573 } | |
| 574 le.ip += sizeof(uintptr_t); | |
| 507 | 575 } |
| 576 | |
| 577 | |
| 509 | 578 if (plcf->upstream.pass_request_headers) { |
| 579 part = &r->headers_in.headers.part; | |
| 580 header = part->elts; | |
| 581 | |
| 582 for (i = 0; /* void */; i++) { | |
| 507 | 583 |
| 509 | 584 if (i >= part->nelts) { |
| 585 if (part->next == NULL) { | |
| 586 break; | |
| 587 } | |
| 588 | |
| 589 part = part->next; | |
| 590 header = part->elts; | |
| 577 | 591 i = 0; |
| 507 | 592 } |
| 593 | |
| 649 | 594 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 595 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 596 { |
| 597 continue; | |
| 598 } | |
| 599 | |
| 600 len += header[i].key.len + sizeof(": ") - 1 | |
| 601 + header[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 602 } |
| 509 | 603 } |
| 507 | 604 |
| 605 | |
| 606 b = ngx_create_temp_buf(r->pool, len); | |
| 607 if (b == NULL) { | |
| 608 return NGX_ERROR; | |
| 609 } | |
| 610 | |
| 611 cl = ngx_alloc_chain_link(r->pool); | |
| 612 if (cl == NULL) { | |
| 613 return NGX_ERROR; | |
| 614 } | |
| 615 | |
| 616 cl->buf = b; | |
| 617 | |
| 618 | |
| 619 /* the request line */ | |
| 620 | |
| 573 | 621 b->last = ngx_copy(b->last, method.data, method.len); |
| 507 | 622 |
| 555 | 623 u->uri.data = b->last; |
| 624 | |
| 609 | 625 if (unparsed_uri) { |
| 573 | 626 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
| 627 | |
| 507 | 628 } else { |
| 555 | 629 if (r->valid_location) { |
| 573 | 630 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len); |
| 555 | 631 } |
| 551 | 632 |
| 507 | 633 if (escape) { |
| 509 | 634 ngx_escape_uri(b->last, r->uri.data + loc_len, |
| 635 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
| 636 b->last += r->uri.len - loc_len + escape; | |
| 507 | 637 |
| 577 | 638 } else { |
| 573 | 639 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
| 640 r->uri.len - loc_len); | |
| 507 | 641 } |
| 642 | |
| 643 if (r->args.len > 0) { | |
| 644 *b->last++ = '?'; | |
| 573 | 645 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
| 507 | 646 } |
| 647 } | |
| 648 | |
| 555 | 649 u->uri.len = b->last - u->uri.data; |
| 650 | |
| 507 | 651 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
| 652 sizeof(ngx_http_proxy_version) - 1); | |
| 653 | |
| 577 | 654 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
| 507 | 655 |
| 656 e.ip = plcf->headers_set->elts; | |
| 657 e.pos = b->last; | |
| 509 | 658 e.request = r; |
| 573 | 659 e.flushed = 1; |
| 507 | 660 |
| 509 | 661 le.ip = plcf->headers_set_len->elts; |
| 662 | |
| 663 while (*(uintptr_t *) le.ip) { | |
| 664 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 515 | 665 |
| 666 /* skip the header line name length */ | |
| 667 (void) lcode(&le); | |
| 509 | 668 |
| 669 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
| 670 | |
| 671 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 672 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 673 } | |
| 674 | |
| 675 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
| 676 | |
| 677 } else { | |
| 678 e.skip = 0; | |
| 679 } | |
| 680 | |
| 681 le.ip += sizeof(uintptr_t); | |
| 682 | |
| 683 while (*(uintptr_t *) e.ip) { | |
| 684 code = *(ngx_http_script_code_pt *) e.ip; | |
| 685 code((ngx_http_script_engine_t *) &e); | |
| 577 | 686 } |
| 509 | 687 e.ip += sizeof(uintptr_t); |
| 507 | 688 } |
| 689 | |
| 690 b->last = e.pos; | |
| 691 | |
| 692 | |
| 509 | 693 if (plcf->upstream.pass_request_headers) { |
| 694 part = &r->headers_in.headers.part; | |
| 695 header = part->elts; | |
| 577 | 696 |
| 509 | 697 for (i = 0; /* void */; i++) { |
| 507 | 698 |
| 509 | 699 if (i >= part->nelts) { |
| 700 if (part->next == NULL) { | |
| 701 break; | |
| 702 } | |
| 703 | |
| 704 part = part->next; | |
| 705 header = part->elts; | |
| 577 | 706 i = 0; |
| 507 | 707 } |
| 708 | |
| 649 | 709 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
| 710 header[i].lowcase_key, header[i].key.len)) | |
| 509 | 711 { |
| 712 continue; | |
| 713 } | |
| 507 | 714 |
| 573 | 715 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
| 507 | 716 |
| 509 | 717 *b->last++ = ':'; *b->last++ = ' '; |
| 507 | 718 |
| 573 | 719 b->last = ngx_copy(b->last, header[i].value.data, |
| 720 header[i].value.len); | |
| 507 | 721 |
| 509 | 722 *b->last++ = CR; *b->last++ = LF; |
| 507 | 723 |
| 509 | 724 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 725 "http proxy header: \"%V: %V\"", | |
| 726 &header[i].key, &header[i].value); | |
| 727 } | |
| 507 | 728 } |
| 729 | |
| 577 | 730 |
| 507 | 731 /* add "\r\n" at the header end */ |
| 732 *b->last++ = CR; *b->last++ = LF; | |
| 733 | |
| 577 | 734 if (plcf->body_set) { |
| 735 e.ip = plcf->body_set->elts; | |
| 736 e.pos = b->last; | |
| 737 | |
| 738 while (*(uintptr_t *) e.ip) { | |
| 739 code = *(ngx_http_script_code_pt *) e.ip; | |
| 740 code((ngx_http_script_engine_t *) &e); | |
| 741 } | |
| 579 | 742 |
| 743 b->last = e.pos; | |
| 577 | 744 } |
| 745 | |
| 507 | 746 #if (NGX_DEBUG) |
| 747 { | |
| 748 ngx_str_t s; | |
| 749 | |
| 750 s.len = b->last - b->pos; | |
| 751 s.data = b->pos; | |
| 752 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 753 "http proxy header:\n\"%V\"", &s); | |
| 754 } | |
| 755 #endif | |
| 756 | |
| 577 | 757 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
| 509 | 758 |
| 759 body = u->request_bufs; | |
| 760 u->request_bufs = cl; | |
| 761 | |
| 762 while (body) { | |
| 763 b = ngx_alloc_buf(r->pool); | |
| 764 if (b == NULL) { | |
| 765 return NGX_ERROR; | |
| 766 } | |
| 767 | |
| 768 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 769 | |
| 770 cl->next = ngx_alloc_chain_link(r->pool); | |
| 771 if (cl->next == NULL) { | |
| 772 return NGX_ERROR; | |
| 773 } | |
| 774 | |
| 775 cl = cl->next; | |
| 776 cl->buf = b; | |
| 777 | |
| 778 body = body->next; | |
| 779 } | |
| 780 | |
| 611 | 781 b->flush = 1; |
| 782 | |
| 509 | 783 } else { |
| 784 u->request_bufs = cl; | |
| 785 } | |
| 786 | |
| 787 cl->next = NULL; | |
| 788 | |
| 507 | 789 return NGX_OK; |
| 790 } | |
| 791 | |
| 792 | |
| 793 static ngx_int_t | |
| 794 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
| 795 { | |
| 509 | 796 ngx_http_proxy_ctx_t *p; |
| 797 | |
| 798 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 799 | |
| 800 if (p == NULL) { | |
| 801 return NGX_OK; | |
| 802 } | |
| 803 | |
| 804 p->status = 0; | |
| 805 p->status_count = 0; | |
| 806 p->status_start = NULL; | |
| 807 p->status_end = NULL; | |
| 808 | |
| 809 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
| 810 | |
| 811 return NGX_OK; | |
| 812 } | |
| 813 | |
| 814 | |
| 815 static ngx_int_t | |
| 816 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
| 817 { | |
| 818 ngx_int_t rc; | |
| 819 ngx_http_upstream_t *u; | |
| 820 ngx_http_proxy_ctx_t *p; | |
| 821 | |
| 822 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 823 | |
| 824 if (p == NULL) { | |
| 577 | 825 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 509 | 826 } |
| 827 | |
| 828 rc = ngx_http_proxy_parse_status_line(r, p); | |
| 829 | |
| 830 if (rc == NGX_AGAIN) { | |
| 831 return rc; | |
| 832 } | |
| 833 | |
| 834 u = r->upstream; | |
| 835 | |
| 836 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
| 837 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 577 | 838 "upstream sent no valid HTTP/1.0 header"); |
| 509 | 839 |
| 619 | 840 #if 0 |
| 509 | 841 if (u->accel) { |
| 842 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 843 } | |
| 619 | 844 #endif |
| 509 | 845 |
| 846 r->http_version = NGX_HTTP_VERSION_9; | |
| 847 p->status = NGX_HTTP_OK; | |
| 577 | 848 |
| 509 | 849 return NGX_OK; |
| 850 } | |
| 851 | |
| 529 | 852 u->headers_in.status_n = p->status; |
| 509 | 853 u->state->status = p->status; |
| 854 | |
| 529 | 855 u->headers_in.status_line.len = p->status_end - p->status_start; |
| 856 u->headers_in.status_line.data = ngx_palloc(r->pool, | |
| 857 u->headers_in.status_line.len); | |
| 858 if (u->headers_in.status_line.data == NULL) { | |
| 509 | 859 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 860 } | |
| 573 | 861 |
| 529 | 862 ngx_memcpy(u->headers_in.status_line.data, p->status_start, |
| 863 u->headers_in.status_line.len); | |
| 509 | 864 |
| 865 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 866 "http proxy status %ui \"%V\"", | |
| 936 | 867 u->headers_in.status_n, &u->headers_in.status_line); |
| 509 | 868 |
| 869 u->process_header = ngx_http_proxy_process_header; | |
| 870 | |
| 871 return ngx_http_proxy_process_header(r); | |
| 872 } | |
| 873 | |
| 874 | |
| 875 static ngx_int_t | |
| 876 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p) | |
| 877 { | |
| 878 u_char ch; | |
| 879 u_char *pos; | |
| 880 ngx_http_upstream_t *u; | |
| 881 enum { | |
| 882 sw_start = 0, | |
| 883 sw_H, | |
| 884 sw_HT, | |
| 885 sw_HTT, | |
| 886 sw_HTTP, | |
| 887 sw_first_major_digit, | |
| 888 sw_major_digit, | |
| 889 sw_first_minor_digit, | |
| 890 sw_minor_digit, | |
| 891 sw_status, | |
| 892 sw_space_after_status, | |
| 893 sw_status_text, | |
| 894 sw_almost_done | |
| 577 | 895 } state; |
| 509 | 896 |
| 897 u = r->upstream; | |
| 898 | |
| 899 state = r->state; | |
| 900 | |
| 581 | 901 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) { |
| 509 | 902 ch = *pos; |
| 903 | |
| 904 switch (state) { | |
| 905 | |
| 906 /* "HTTP/" */ | |
| 907 case sw_start: | |
| 908 switch (ch) { | |
| 577 | 909 case 'H': |
| 509 | 910 state = sw_H; |
| 911 break; | |
| 912 default: | |
| 913 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 914 } | |
| 915 break; | |
| 916 | |
| 577 | 917 case sw_H: |
| 509 | 918 switch (ch) { |
| 577 | 919 case 'T': |
| 509 | 920 state = sw_HT; |
| 921 break; | |
| 922 default: | |
| 923 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 924 } | |
| 925 break; | |
| 926 | |
| 927 case sw_HT: | |
| 928 switch (ch) { | |
| 577 | 929 case 'T': |
| 509 | 930 state = sw_HTT; |
| 931 break; | |
| 932 default: | |
| 933 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 934 } | |
| 935 break; | |
| 936 | |
| 937 case sw_HTT: | |
| 938 switch (ch) { | |
| 577 | 939 case 'P': |
| 509 | 940 state = sw_HTTP; |
| 941 break; | |
| 942 default: | |
| 943 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 944 } | |
| 945 break; | |
| 946 | |
| 947 case sw_HTTP: | |
| 948 switch (ch) { | |
| 577 | 949 case '/': |
| 509 | 950 state = sw_first_major_digit; |
| 951 break; | |
| 952 default: | |
| 953 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 954 } | |
| 955 break; | |
| 956 | |
| 957 /* the first digit of major HTTP version */ | |
| 958 case sw_first_major_digit: | |
| 959 if (ch < '1' || ch > '9') { | |
| 960 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 961 } | |
| 962 | |
| 963 state = sw_major_digit; | |
| 964 break; | |
| 965 | |
| 966 /* the major HTTP version or dot */ | |
| 967 case sw_major_digit: | |
| 968 if (ch == '.') { | |
| 969 state = sw_first_minor_digit; | |
| 970 break; | |
| 971 } | |
| 972 | |
| 973 if (ch < '0' || ch > '9') { | |
| 974 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 975 } | |
| 976 | |
| 977 break; | |
| 978 | |
| 979 /* the first digit of minor HTTP version */ | |
| 980 case sw_first_minor_digit: | |
| 981 if (ch < '0' || ch > '9') { | |
| 982 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 983 } | |
| 984 | |
| 985 state = sw_minor_digit; | |
| 986 break; | |
| 987 | |
| 988 /* the minor HTTP version or the end of the request line */ | |
| 989 case sw_minor_digit: | |
| 990 if (ch == ' ') { | |
| 991 state = sw_status; | |
| 992 break; | |
| 993 } | |
| 994 | |
| 995 if (ch < '0' || ch > '9') { | |
| 996 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 997 } | |
| 998 | |
| 999 break; | |
| 1000 | |
| 1001 /* HTTP status code */ | |
| 1002 case sw_status: | |
| 619 | 1003 if (ch == ' ') { |
| 1004 break; | |
| 1005 } | |
| 1006 | |
| 509 | 1007 if (ch < '0' || ch > '9') { |
| 1008 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1009 } | |
| 1010 | |
| 1011 p->status = p->status * 10 + ch - '0'; | |
| 1012 | |
| 1013 if (++p->status_count == 3) { | |
| 1014 state = sw_space_after_status; | |
| 1015 p->status_start = pos - 2; | |
| 1016 } | |
| 1017 | |
| 1018 break; | |
| 1019 | |
| 1020 /* space or end of line */ | |
| 1021 case sw_space_after_status: | |
| 1022 switch (ch) { | |
| 577 | 1023 case ' ': |
| 509 | 1024 state = sw_status_text; |
| 1025 break; | |
| 1026 case '.': /* IIS may send 403.1, 403.2, etc */ | |
| 1027 state = sw_status_text; | |
| 1028 break; | |
| 1029 case CR: | |
| 1030 state = sw_almost_done; | |
| 1031 break; | |
| 1032 case LF: | |
| 1033 goto done; | |
| 1034 default: | |
| 1035 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1036 } | |
| 1037 break; | |
| 1038 | |
| 1039 /* any text until end of line */ | |
| 1040 case sw_status_text: | |
| 1041 switch (ch) { | |
| 1042 case CR: | |
| 1043 state = sw_almost_done; | |
| 1044 | |
| 1045 break; | |
| 1046 case LF: | |
| 1047 goto done; | |
| 1048 } | |
| 1049 break; | |
| 1050 | |
| 527 | 1051 /* end of status line */ |
| 509 | 1052 case sw_almost_done: |
| 1053 p->status_end = pos - 1; | |
| 1054 switch (ch) { | |
| 1055 case LF: | |
| 1056 goto done; | |
| 1057 default: | |
| 1058 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
| 1059 } | |
| 1060 } | |
| 1061 } | |
| 1062 | |
| 581 | 1063 u->buffer.pos = pos; |
| 509 | 1064 r->state = state; |
| 1065 | |
| 1066 return NGX_AGAIN; | |
| 1067 | |
| 1068 done: | |
| 1069 | |
| 581 | 1070 u->buffer.pos = pos + 1; |
| 509 | 1071 |
| 1072 if (p->status_end == NULL) { | |
| 1073 p->status_end = pos; | |
| 1074 } | |
| 1075 | |
| 1076 r->state = sw_start; | |
| 1077 | |
| 507 | 1078 return NGX_OK; |
| 1079 } | |
| 1080 | |
| 1081 | |
| 1082 static ngx_int_t | |
| 1083 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
| 1084 { | |
| 509 | 1085 ngx_int_t rc; |
| 649 | 1086 ngx_uint_t i; |
| 509 | 1087 ngx_table_elt_t *h; |
| 1088 ngx_http_upstream_header_t *hh; | |
| 1089 ngx_http_upstream_main_conf_t *umcf; | |
| 1090 | |
| 1091 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 1092 | |
| 1093 for ( ;; ) { | |
| 1094 | |
| 581 | 1095 rc = ngx_http_parse_header_line(r, &r->upstream->buffer); |
| 509 | 1096 |
| 1097 if (rc == NGX_OK) { | |
| 1098 | |
| 1099 /* a header line has been parsed successfully */ | |
| 507 | 1100 |
| 509 | 1101 h = ngx_list_push(&r->upstream->headers_in.headers); |
| 1102 if (h == NULL) { | |
| 1103 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1104 } | |
| 1105 | |
| 1106 h->hash = r->header_hash; | |
| 1107 | |
| 1108 h->key.len = r->header_name_end - r->header_name_start; | |
| 1109 h->value.len = r->header_end - r->header_start; | |
| 1110 | |
| 1111 h->key.data = ngx_palloc(r->pool, | |
| 649 | 1112 h->key.len + 1 + h->value.len + 1 + h->key.len); |
| 509 | 1113 if (h->key.data == NULL) { |
| 1114 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1115 } | |
| 1116 | |
| 1117 h->value.data = h->key.data + h->key.len + 1; | |
| 649 | 1118 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
| 507 | 1119 |
| 509 | 1120 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
| 1121 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
| 1122 | |
| 649 | 1123 if (h->key.len == r->lowcase_index) { |
| 1124 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
| 1125 | |
| 1126 } else { | |
| 1127 for (i = 0; i < h->key.len; i++) { | |
| 1128 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]); | |
| 509 | 1129 } |
| 1130 } | |
| 1131 | |
| 649 | 1132 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
| 1133 h->lowcase_key, h->key.len); | |
| 1134 | |
| 1135 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
| 1136 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1137 } | |
| 1138 | |
| 509 | 1139 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1140 "http proxy header: \"%V: %V\"", | |
| 1141 &h->key, &h->value); | |
| 1142 | |
| 1143 continue; | |
| 1144 } | |
| 1145 | |
| 1146 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 1147 | |
| 1148 /* a whole header has been parsed successfully */ | |
| 1149 | |
| 1150 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1151 "http proxy header done"); | |
| 1152 | |
| 649 | 1153 /* |
| 1154 * if no "Server" and "Date" in header line, | |
| 1155 * then add the special empty headers | |
| 1156 */ | |
| 1157 | |
| 1158 if (r->upstream->headers_in.server == NULL) { | |
| 1159 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 1160 if (h == NULL) { | |
| 1161 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1162 } | |
| 1163 | |
| 1164 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
| 1165 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
| 1166 | |
| 1167 h->key.len = sizeof("Server") - 1; | |
| 1168 h->key.data = (u_char *) "Server"; | |
| 1169 h->value.len = 0; | |
| 1170 h->value.data = NULL; | |
| 1171 h->lowcase_key = (u_char *) "server"; | |
| 1172 } | |
| 1173 | |
| 1174 if (r->upstream->headers_in.date == 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('d', 'a'), 't'), 'e'); | |
| 1181 | |
| 1182 h->key.len = sizeof("Date") - 1; | |
| 1183 h->key.data = (u_char *) "Date"; | |
| 1184 h->value.len = 0; | |
| 1185 h->value.data = NULL; | |
| 1186 h->lowcase_key = (u_char *) "date"; | |
| 1187 } | |
| 1188 | |
| 509 | 1189 return NGX_OK; |
| 1190 } | |
| 1191 | |
| 521 | 1192 if (rc == NGX_AGAIN) { |
| 1193 return NGX_AGAIN; | |
| 1194 } | |
| 1195 | |
| 509 | 1196 /* there was error while a header line parsing */ |
| 1197 | |
| 1198 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 619 | 1199 "upstream sent invalid header"); |
| 509 | 1200 |
| 1201 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1202 } | |
| 507 | 1203 } |
| 1204 | |
| 1205 | |
| 1206 static void | |
| 1207 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
| 1208 { | |
| 1209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1210 "abort http proxy request"); | |
| 577 | 1211 |
| 507 | 1212 return; |
| 1213 } | |
| 1214 | |
| 1215 | |
| 1216 static void | |
| 1217 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 577 | 1218 { |
| 507 | 1219 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 1220 "finalize http proxy request"); | |
| 1221 | |
| 1222 return; | |
| 1223 } | |
| 1224 | |
| 1225 | |
| 573 | 1226 static ngx_int_t |
| 1227 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
| 1228 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1229 { |
| 509 | 1230 ngx_http_proxy_loc_conf_t *plcf; |
| 507 | 1231 |
| 509 | 1232 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
| 507 | 1233 |
| 573 | 1234 v->len = plcf->host_header.len; |
| 577 | 1235 v->valid = 1; |
| 573 | 1236 v->no_cachable = 0; |
| 1237 v->not_found = 0; | |
| 1238 v->data = plcf->host_header.data; | |
| 507 | 1239 |
| 573 | 1240 return NGX_OK; |
| 507 | 1241 } |
| 1242 | |
| 1243 | |
| 573 | 1244 static ngx_int_t |
| 1245 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
| 1246 ngx_http_variable_value_t *v, uintptr_t data) | |
| 507 | 1247 { |
| 1248 ngx_http_proxy_loc_conf_t *plcf; | |
| 1249 | |
| 1250 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 1251 | |
| 906 | 1252 v->len = plcf->port.len; |
| 577 | 1253 v->valid = 1; |
| 573 | 1254 v->no_cachable = 0; |
| 1255 v->not_found = 0; | |
| 906 | 1256 v->data = plcf->port.data; |
| 509 | 1257 |
| 573 | 1258 return NGX_OK; |
| 509 | 1259 } |
| 1260 | |
| 1261 | |
| 573 | 1262 static ngx_int_t |
| 509 | 1263 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
| 573 | 1264 ngx_http_variable_value_t *v, uintptr_t data) |
| 509 | 1265 { |
| 573 | 1266 u_char *p; |
| 509 | 1267 |
| 577 | 1268 v->valid = 1; |
| 573 | 1269 v->no_cachable = 0; |
| 1270 v->not_found = 0; | |
| 509 | 1271 |
| 1272 if (r->headers_in.x_forwarded_for == NULL) { | |
| 573 | 1273 v->len = r->connection->addr_text.len; |
| 1274 v->data = r->connection->addr_text.data; | |
| 1275 return NGX_OK; | |
| 509 | 1276 } |
| 1277 | |
| 573 | 1278 v->len = r->headers_in.x_forwarded_for->value.len |
| 1279 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
| 509 | 1280 |
| 573 | 1281 p = ngx_palloc(r->pool, v->len); |
| 509 | 1282 if (p == NULL) { |
| 573 | 1283 return NGX_ERROR; |
| 509 | 1284 } |
| 1285 | |
| 573 | 1286 v->data = p; |
| 509 | 1287 |
| 573 | 1288 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
| 1289 r->headers_in.x_forwarded_for->value.len); | |
| 509 | 1290 |
| 1291 *p++ = ','; *p++ = ' '; | |
| 1292 | |
| 1293 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
| 1294 | |
| 573 | 1295 return NGX_OK; |
| 509 | 1296 } |
| 1297 | |
| 1298 | |
| 1299 static ngx_int_t | |
| 577 | 1300 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
| 1301 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1302 { | |
| 1303 ngx_http_proxy_ctx_t *p; | |
| 1304 | |
| 1305 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
| 1306 | |
| 1307 if (p == NULL) { | |
| 1308 v->not_found = 1; | |
| 1309 return NGX_OK; | |
| 1310 } | |
| 1311 | |
| 1312 v->valid = 1; | |
| 1313 v->no_cachable = 0; | |
| 1314 v->not_found = 0; | |
| 1315 | |
| 1316 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN); | |
| 1317 | |
| 1318 if (v->data == NULL) { | |
| 1319 return NGX_ERROR; | |
| 1320 } | |
| 1321 | |
| 1322 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data; | |
| 1323 | |
| 1324 return NGX_OK; | |
| 1325 } | |
| 1326 | |
| 1327 | |
| 1328 static ngx_int_t | |
| 509 | 1329 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
| 1330 size_t prefix) | |
| 1331 { | |
| 1332 ngx_int_t rc; | |
| 1333 ngx_uint_t i; | |
| 1334 ngx_http_proxy_loc_conf_t *plcf; | |
| 1335 ngx_http_proxy_redirect_t *pr; | |
| 1336 | |
| 1337 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
| 1338 | |
| 1339 pr = plcf->redirects->elts; | |
| 1340 | |
| 1341 if (pr == NULL) { | |
| 1342 return NGX_DECLINED; | |
| 1343 } | |
| 1344 | |
| 1345 for (i = 0; i < plcf->redirects->nelts; i++) { | |
| 605 | 1346 rc = pr[i].handler(r, h, prefix, &pr[i]); |
| 509 | 1347 |
| 1348 if (rc != NGX_DECLINED) { | |
| 1349 return rc; | |
| 1350 } | |
| 1351 } | |
| 1352 | |
| 1353 return NGX_DECLINED; | |
| 1354 } | |
| 1355 | |
| 1356 | |
| 1357 static ngx_int_t | |
| 1358 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1359 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1360 { | |
| 1361 size_t len; | |
| 1362 u_char *data, *p; | |
| 1363 | |
| 1364 if (pr->redirect.len > h->value.len - prefix | |
| 1365 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1366 pr->redirect.len) != 0) | |
| 1367 { | |
| 1368 return NGX_DECLINED; | |
| 1369 } | |
| 1370 | |
| 1371 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
| 507 | 1372 |
| 509 | 1373 data = ngx_palloc(r->pool, len); |
| 1374 if (data == NULL) { | |
| 1375 return NGX_ERROR; | |
| 1376 } | |
| 1377 | |
| 1378 p = data; | |
| 1379 | |
| 573 | 1380 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1381 |
| 653 | 1382 if (pr->replacement.text.len) { |
| 1383 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
| 1384 } | |
| 509 | 1385 |
| 1386 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
| 1387 h->value.len - pr->redirect.len - prefix); | |
| 1388 | |
| 1389 h->value.len = len; | |
| 1390 h->value.data = data; | |
| 1391 | |
| 1392 return NGX_OK; | |
| 1393 } | |
| 1394 | |
| 1395 | |
| 1396 static ngx_int_t | |
| 1397 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
| 1398 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
| 1399 { | |
| 1400 size_t len; | |
| 1401 u_char *data, *p; | |
| 1402 ngx_http_script_code_pt code; | |
| 1403 ngx_http_script_engine_t e; | |
| 1404 ngx_http_script_len_code_pt lcode; | |
| 1405 | |
| 1406 if (pr->redirect.len > h->value.len - prefix | |
| 1407 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
| 1408 pr->redirect.len) != 0) | |
| 1409 { | |
| 1410 return NGX_DECLINED; | |
| 1411 } | |
| 1412 | |
| 1413 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 1414 | |
| 1415 e.ip = pr->replacement.vars.lengths; | |
| 1416 e.request = r; | |
| 1417 | |
|
723
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1418 len = prefix + h->value.len - pr->redirect.len; |
|
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1419 |
|
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1420 while (*(uintptr_t *) e.ip) { |
| 509 | 1421 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
|
723
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1422 len += lcode(&e); |
| 509 | 1423 } |
| 1424 | |
| 1425 data = ngx_palloc(r->pool, len); | |
| 1426 if (data == NULL) { | |
| 1427 return NGX_ERROR; | |
| 1428 } | |
| 1429 | |
| 1430 p = data; | |
| 1431 | |
| 573 | 1432 p = ngx_copy(p, h->value.data, prefix); |
| 509 | 1433 |
| 1434 e.ip = pr->replacement.vars.values; | |
| 1435 e.pos = p; | |
| 1436 | |
| 1437 while (*(uintptr_t *) e.ip) { | |
| 1438 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1439 code(&e); | |
| 1440 } | |
| 1441 | |
|
723
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1442 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
|
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1443 h->value.len - pr->redirect.len - prefix); |
|
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1444 |
| 509 | 1445 h->value.len = len; |
| 1446 h->value.data = data; | |
| 1447 | |
| 1448 return NGX_OK; | |
| 1449 } | |
| 1450 | |
| 1451 | |
| 1452 static ngx_int_t | |
| 1453 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
| 1454 { | |
| 1455 ngx_http_variable_t *var, *v; | |
| 1456 | |
| 1457 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
| 1458 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 1459 if (var == NULL) { | |
| 1460 return NGX_ERROR; | |
| 1461 } | |
| 1462 | |
| 637 | 1463 var->get_handler = v->get_handler; |
| 509 | 1464 var->data = v->data; |
| 1465 } | |
| 1466 | |
| 1467 return NGX_OK; | |
| 507 | 1468 } |
| 1469 | |
| 1470 | |
| 1471 static void * | |
| 1472 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
| 1473 { | |
| 1474 ngx_http_proxy_loc_conf_t *conf; | |
| 1475 | |
| 1476 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
| 1477 if (conf == NULL) { | |
| 1478 return NGX_CONF_ERROR; | |
| 1479 } | |
| 1480 | |
| 1481 /* | |
| 1482 * set by ngx_pcalloc(): | |
| 1483 * | |
| 1484 * conf->upstream.bufs.num = 0; | |
| 1485 * conf->upstream.next_upstream = 0; | |
| 1486 * conf->upstream.temp_path = NULL; | |
| 649 | 1487 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
| 1488 * conf->upstream.hide_headers = NULL; | |
| 1489 * conf->upstream.pass_headers = NULL; | |
| 509 | 1490 * conf->upstream.schema = { 0, NULL }; |
| 1491 * conf->upstream.uri = { 0, NULL }; | |
| 1492 * conf->upstream.location = NULL; | |
| 1493 * | |
| 561 | 1494 * conf->method = NULL; |
| 509 | 1495 * conf->headers_source = NULL; |
| 1496 * conf->headers_set_len = NULL; | |
| 1497 * conf->headers_set = NULL; | |
| 1498 * conf->headers_set_hash = NULL; | |
| 577 | 1499 * conf->body_set_len = NULL; |
| 1500 * conf->body_set = NULL; | |
| 1501 * conf->body_source = { 0, NULL }; | |
| 509 | 1502 * conf->rewrite_locations = NULL; |
| 507 | 1503 */ |
| 577 | 1504 |
| 581 | 1505 conf->upstream.buffering = NGX_CONF_UNSET; |
| 629 | 1506 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
| 581 | 1507 |
| 507 | 1508 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
| 1509 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 1510 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 1511 | |
| 1512 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
| 581 | 1513 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
| 529 | 1514 |
| 1515 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
| 577 | 1516 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
| 529 | 1517 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
| 509 | 1518 |
| 1519 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
| 1520 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
| 561 | 1521 |
| 657 | 1522 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
| 507 | 1523 |
| 1524 /* "proxy_cyclic_temp_file" is disabled */ | |
| 1525 conf->upstream.cyclic_temp_file = 0; | |
| 1526 | |
| 509 | 1527 conf->redirect = NGX_CONF_UNSET; |
| 649 | 1528 conf->upstream.change_buffering = 1; |
| 507 | 1529 |
|
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1530 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
|
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1531 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
|
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|
1532 |
| 507 | 1533 return conf; |
| 1534 } | |
| 1535 | |
| 1536 | |
| 1537 static char * | |
| 1538 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1539 { | |
| 1540 ngx_http_proxy_loc_conf_t *prev = parent; | |
| 1541 ngx_http_proxy_loc_conf_t *conf = child; | |
| 1542 | |
| 509 | 1543 u_char *p; |
| 1544 size_t size; | |
| 1545 uintptr_t *code; | |
| 649 | 1546 ngx_str_t *header; |
| 1547 ngx_uint_t i, j; | |
| 1548 ngx_array_t hide_headers; | |
| 1549 ngx_keyval_t *src, *s, *h; | |
| 1550 ngx_hash_key_t *hk; | |
| 1551 ngx_hash_init_t hash; | |
| 509 | 1552 ngx_http_proxy_redirect_t *pr; |
| 1553 ngx_http_script_compile_t sc; | |
| 1554 ngx_http_script_copy_code_t *copy; | |
| 1555 | |
| 581 | 1556 ngx_conf_merge_value(conf->upstream.buffering, |
| 1557 prev->upstream.buffering, 1); | |
| 1558 | |
| 629 | 1559 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
| 1560 prev->upstream.ignore_client_abort, 0); | |
| 1561 | |
| 507 | 1562 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
| 1563 prev->upstream.connect_timeout, 60000); | |
| 1564 | |
| 1565 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 1566 prev->upstream.send_timeout, 60000); | |
| 1567 | |
| 1568 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 1569 prev->upstream.read_timeout, 60000); | |
| 1570 | |
| 1571 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
| 1572 prev->upstream.send_lowat, 0); | |
| 1573 | |
| 581 | 1574 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
| 1575 prev->upstream.buffer_size, | |
| 507 | 1576 (size_t) ngx_pagesize); |
| 1577 | |
| 1578 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
| 1579 8, ngx_pagesize); | |
| 1580 | |
| 1581 if (conf->upstream.bufs.num < 2) { | |
| 577 | 1582 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 507 | 1583 "there must be at least 2 \"proxy_buffers\""); |
| 1584 return NGX_CONF_ERROR; | |
| 1585 } | |
| 577 | 1586 |
| 507 | 1587 |
| 581 | 1588 size = conf->upstream.buffer_size; |
| 577 | 1589 if (size < conf->upstream.bufs.size) { |
| 507 | 1590 size = conf->upstream.bufs.size; |
| 1591 } | |
| 1592 | |
| 1593 | |
| 529 | 1594 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
| 1595 prev->upstream.busy_buffers_size_conf, | |
| 507 | 1596 NGX_CONF_UNSET_SIZE); |
| 1597 | |
| 529 | 1598 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1599 conf->upstream.busy_buffers_size = 2 * size; |
| 529 | 1600 } else { |
| 1601 conf->upstream.busy_buffers_size = | |
| 1602 conf->upstream.busy_buffers_size_conf; | |
| 1603 } | |
| 577 | 1604 |
| 529 | 1605 if (conf->upstream.busy_buffers_size < size) { |
| 507 | 1606 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1607 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
|
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|
1608 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 1609 "one of the \"proxy_buffers\""); |
| 1610 | |
| 1611 return NGX_CONF_ERROR; | |
| 529 | 1612 } |
| 507 | 1613 |
| 529 | 1614 if (conf->upstream.busy_buffers_size |
| 1615 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
| 507 | 1616 { |
| 1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1618 "\"proxy_busy_buffers_size\" must be less than " | |
| 1619 "the size of all \"proxy_buffers\" minus one buffer"); | |
| 1620 | |
| 1621 return NGX_CONF_ERROR; | |
| 1622 } | |
| 529 | 1623 |
| 507 | 1624 |
| 529 | 1625 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
| 1626 prev->upstream.temp_file_write_size_conf, | |
| 507 | 1627 NGX_CONF_UNSET_SIZE); |
| 1628 | |
| 529 | 1629 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1630 conf->upstream.temp_file_write_size = 2 * size; |
| 529 | 1631 } else { |
| 1632 conf->upstream.temp_file_write_size = | |
| 1633 conf->upstream.temp_file_write_size_conf; | |
| 1634 } | |
| 577 | 1635 |
| 529 | 1636 if (conf->upstream.temp_file_write_size < size) { |
| 507 | 1637 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 1638 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
|
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changeset
|
1639 "maximum of the value of \"proxy_buffer_size\" and " |
| 507 | 1640 "one of the \"proxy_buffers\""); |
| 1641 | |
| 1642 return NGX_CONF_ERROR; | |
| 1643 } | |
| 1644 | |
| 529 | 1645 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
| 1646 prev->upstream.max_temp_file_size_conf, | |
| 507 | 1647 NGX_CONF_UNSET_SIZE); |
| 1648 | |
| 529 | 1649 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
| 507 | 1650 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
| 529 | 1651 } else { |
| 1652 conf->upstream.max_temp_file_size = | |
| 1653 conf->upstream.max_temp_file_size_conf; | |
| 1654 } | |
| 507 | 1655 |
| 529 | 1656 if (conf->upstream.max_temp_file_size != 0 |
| 1657 && conf->upstream.max_temp_file_size < size) | |
| 507 | 1658 { |
| 1659 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 561 | 1660 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
| 507 | 1661 "the temporary files usage or must be equal or bigger than " |
|
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diff
changeset
|
1662 "maximum of the value of \"proxy_buffer_size\" and " |
| 561 | 1663 "one of the \"proxy_buffers\""); |
| 507 | 1664 |
| 1665 return NGX_CONF_ERROR; | |
| 1666 } | |
| 1667 | |
| 529 | 1668 |
| 507 | 1669 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
| 1670 prev->upstream.next_upstream, | |
| 1671 (NGX_CONF_BITMASK_SET | |
| 1672 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 1673 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 1674 | |
| 665 | 1675 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
| 1676 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 1677 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1678 } | |
| 1679 | |
| 509 | 1680 ngx_conf_merge_path_value(conf->upstream.temp_path, |
| 1681 prev->upstream.temp_path, | |
| 1682 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0, | |
| 1683 ngx_garbage_collector_temp_handler, cf); | |
| 507 | 1684 |
| 561 | 1685 if (conf->method.len == 0) { |
| 1686 conf->method = prev->method; | |
| 1687 | |
| 1688 } else { | |
| 1689 conf->method.data[conf->method.len] = ' '; | |
| 1690 conf->method.len++; | |
| 509 | 1691 } |
| 1692 | |
| 1693 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
| 1694 prev->upstream.pass_request_headers, 1); | |
| 1695 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
| 1696 prev->upstream.pass_request_body, 1); | |
| 1697 | |
| 657 | 1698 ngx_conf_merge_value(conf->upstream.intercept_errors, |
| 1699 prev->upstream.intercept_errors, 0); | |
| 509 | 1700 |
| 1701 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); | |
| 1702 | |
| 1703 if (conf->redirect) { | |
| 507 | 1704 |
| 509 | 1705 if (conf->redirects == NULL) { |
| 1706 conf->redirects = prev->redirects; | |
| 1707 } | |
| 1708 | |
| 1709 if (conf->redirects == NULL && conf->upstream.url.data) { | |
| 1710 | |
| 1711 conf->redirects = ngx_array_create(cf->pool, 1, | |
| 1712 sizeof(ngx_http_proxy_redirect_t)); | |
| 1713 if (conf->redirects == NULL) { | |
| 1714 return NGX_CONF_ERROR; | |
| 1715 } | |
| 1716 | |
| 1717 pr = ngx_array_push(conf->redirects); | |
| 1718 if (pr == NULL) { | |
| 1719 return NGX_CONF_ERROR; | |
| 1720 } | |
| 1721 | |
| 1722 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 1723 pr->redirect = conf->upstream.url; | |
| 653 | 1724 |
| 1725 if (conf->upstream.uri.len) { | |
| 1726 pr->replacement.text = conf->upstream.location; | |
| 1727 | |
| 1728 } else { | |
| 1729 pr->replacement.text.len = 0; | |
| 1730 pr->replacement.text.data = NULL; | |
| 1731 } | |
| 509 | 1732 } |
| 1733 } | |
| 1734 | |
|
1180
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proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1735 ngx_conf_merge_uint_value(conf->headers_hash_max_size, |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
1125
diff
changeset
|
1736 prev->headers_hash_max_size, 512); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
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diff
changeset
|
1737 |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1738 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1739 prev->headers_hash_bucket_size, 64); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1740 |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1741 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
|
1742 ngx_cacheline_size); |
|
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
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diff
changeset
|
1743 |
| 649 | 1744 if (conf->upstream.hide_headers == NULL |
| 1745 && conf->upstream.pass_headers == NULL) | |
| 1746 { | |
| 1747 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
| 1748 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
| 1749 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash; | |
| 1750 | |
| 1751 if (conf->upstream.hide_headers_hash.buckets) { | |
| 1752 goto peers; | |
| 1753 } | |
| 1754 | |
| 1755 } else { | |
| 1756 if (conf->upstream.hide_headers == NULL) { | |
| 1757 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
| 1758 } | |
| 1759 | |
| 1760 if (conf->upstream.pass_headers == NULL) { | |
| 1761 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
| 1762 } | |
| 1763 } | |
| 1764 | |
| 1765 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 1766 != NGX_OK) | |
| 1767 { | |
| 1768 return NGX_CONF_ERROR; | |
| 1769 } | |
| 1770 | |
| 1771 for (header = ngx_http_proxy_hide_headers; header->len; header++) { | |
| 1772 hk = ngx_array_push(&hide_headers); | |
| 1773 if (hk == NULL) { | |
| 1774 return NGX_CONF_ERROR; | |
| 1775 } | |
| 1776 | |
| 1777 hk->key = *header; | |
| 1778 hk->key_hash = ngx_hash_key_lc(header->data, header->len); | |
| 1779 hk->value = (void *) 1; | |
| 1780 } | |
| 1781 | |
| 1782 if (conf->upstream.hide_headers) { | |
| 1783 | |
| 1784 header = conf->upstream.hide_headers->elts; | |
| 1785 | |
| 1786 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) { | |
| 1787 | |
| 1788 hk = hide_headers.elts; | |
| 1789 | |
| 1790 for (j = 0; j < hide_headers.nelts; j++) { | |
| 1791 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
| 1792 goto exist; | |
| 1793 } | |
| 1794 } | |
| 1795 | |
| 1796 hk = ngx_array_push(&hide_headers); | |
| 1797 if (hk == NULL) { | |
| 1798 return NGX_CONF_ERROR; | |
| 1799 } | |
| 1800 | |
| 1801 hk->key = header[i]; | |
| 1802 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len); | |
| 1803 hk->value = (void *) 1; | |
| 1804 | |
| 1805 exist: | |
| 1806 | |
| 1807 continue; | |
| 1808 } | |
| 1809 } | |
| 1810 | |
| 1811 if (conf->upstream.pass_headers) { | |
| 1812 | |
| 1813 hk = hide_headers.elts; | |
| 1814 header = conf->upstream.pass_headers->elts; | |
| 1815 | |
| 1816 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) { | |
| 1817 for (j = 0; j < hide_headers.nelts; j++) { | |
| 1818 | |
| 1819 if (hk[j].key.data == NULL) { | |
| 1820 continue; | |
| 1821 } | |
| 1822 | |
| 1823 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
| 1824 hk[j].key.data = NULL; | |
| 1825 break; | |
| 1826 } | |
| 1827 } | |
| 1828 } | |
| 1829 } | |
| 1830 | |
| 1831 hash.hash = &conf->upstream.hide_headers_hash; | |
| 1832 hash.key = ngx_hash_key_lc; | |
|
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proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1833 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
|
1834 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
|
1835 hash.name = "proxy_headers_hash"; |
| 649 | 1836 hash.pool = cf->pool; |
| 1837 hash.temp_pool = NULL; | |
| 1838 | |
| 1839 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) { | |
| 1840 return NGX_CONF_ERROR; | |
| 1841 } | |
| 1842 | |
| 1843 peers: | |
| 507 | 1844 |
| 884 | 1845 if (conf->upstream.upstream == NULL) { |
| 1846 conf->upstream.upstream = prev->upstream.upstream; | |
| 629 | 1847 |
| 1848 conf->host_header = prev->host_header; | |
| 906 | 1849 conf->port = prev->port; |
| 629 | 1850 conf->upstream.schema = prev->upstream.schema; |
| 507 | 1851 } |
| 1852 | |
| 577 | 1853 |
| 1854 if (conf->body_source.data == NULL) { | |
| 1855 conf->body_source = prev->body_source; | |
| 1856 conf->body_set_len = prev->body_set_len; | |
| 1857 conf->body_set = prev->body_set; | |
| 1858 } | |
| 1859 | |
| 579 | 1860 if (conf->body_source.data && conf->body_set_len == NULL) { |
| 577 | 1861 |
| 1862 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1863 | |
| 1864 sc.cf = cf; | |
| 1865 sc.source = &conf->body_source; | |
| 1866 sc.flushes = &conf->flushes; | |
| 1867 sc.lengths = &conf->body_set_len; | |
| 1868 sc.values = &conf->body_set; | |
| 1869 sc.complete_lengths = 1; | |
| 1870 sc.complete_values = 1; | |
| 1871 | |
| 1872 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1873 return NGX_CONF_ERROR; | |
| 1874 } | |
| 1875 | |
| 1876 if (conf->headers_source == NULL) { | |
| 1877 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 1878 sizeof(ngx_keyval_t)); |
| 577 | 1879 if (conf->headers_source == NULL) { |
| 1880 return NGX_CONF_ERROR; | |
| 1881 } | |
| 1882 } | |
| 1883 | |
| 1884 s = ngx_array_push(conf->headers_source); | |
| 1885 if (s == NULL) { | |
| 1886 return NGX_CONF_ERROR; | |
| 1887 } | |
| 1888 | |
| 1889 s->key.len = sizeof("Content-Length") - 1; | |
| 1890 s->key.data = (u_char *) "Content-Length"; | |
| 1891 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
| 1892 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
| 1893 } | |
| 1894 | |
| 1895 | |
| 509 | 1896 if (conf->headers_source == NULL) { |
| 573 | 1897 conf->flushes = prev->flushes; |
| 507 | 1898 conf->headers_set_len = prev->headers_set_len; |
| 1899 conf->headers_set = prev->headers_set; | |
| 1900 conf->headers_set_hash = prev->headers_set_hash; | |
| 573 | 1901 conf->headers_source = prev->headers_source; |
| 507 | 1902 } |
| 1903 | |
| 649 | 1904 if (conf->headers_set_hash.buckets) { |
| 509 | 1905 return NGX_CONF_OK; |
| 1906 } | |
| 1907 | |
| 1908 | |
| 649 | 1909 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
| 509 | 1910 if (conf->headers_names == NULL) { |
| 1911 return NGX_CONF_ERROR; | |
| 1912 } | |
| 1913 | |
| 1914 if (conf->headers_source == NULL) { | |
| 1915 conf->headers_source = ngx_array_create(cf->pool, 4, | |
| 649 | 1916 sizeof(ngx_keyval_t)); |
| 509 | 1917 if (conf->headers_source == NULL) { |
| 1918 return NGX_CONF_ERROR; | |
| 1919 } | |
| 1920 } | |
| 507 | 1921 |
| 509 | 1922 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
| 1923 if (conf->headers_set_len == NULL) { | |
| 1924 return NGX_CONF_ERROR; | |
| 1925 } | |
| 1926 | |
| 1927 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
| 1928 if (conf->headers_set == NULL) { | |
| 1929 return NGX_CONF_ERROR; | |
| 1930 } | |
| 1931 | |
| 1932 | |
| 1933 src = conf->headers_source->elts; | |
| 1934 | |
| 1935 for (h = ngx_http_proxy_headers; h->key.len; h++) { | |
| 1936 | |
| 1937 for (i = 0; i < conf->headers_source->nelts; i++) { | |
| 1938 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 1939 goto next; | |
| 507 | 1940 } |
| 1941 } | |
| 1942 | |
| 509 | 1943 s = ngx_array_push(conf->headers_source); |
| 1944 if (s == NULL) { | |
| 507 | 1945 return NGX_CONF_ERROR; |
| 1946 } | |
| 1947 | |
| 509 | 1948 *s = *h; |
| 507 | 1949 |
| 517 | 1950 src = conf->headers_source->elts; |
| 1951 | |
| 509 | 1952 next: |
| 507 | 1953 |
| 509 | 1954 continue; |
| 1955 } | |
| 507 | 1956 |
| 577 | 1957 |
| 1958 src = conf->headers_source->elts; | |
| 509 | 1959 for (i = 0; i < conf->headers_source->nelts; i++) { |
| 507 | 1960 |
| 649 | 1961 hk = ngx_array_push(conf->headers_names); |
| 1962 if (hk == NULL) { | |
| 507 | 1963 return NGX_CONF_ERROR; |
| 1964 } | |
| 1965 | |
| 649 | 1966 hk->key = src[i].key; |
| 1967 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
| 1968 hk->value = (void *) 1; | |
| 509 | 1969 |
| 519 | 1970 if (src[i].value.len == 0) { |
| 1971 continue; | |
| 1972 } | |
| 1973 | |
| 509 | 1974 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
| 1975 copy = ngx_array_push_n(conf->headers_set_len, | |
| 1976 sizeof(ngx_http_script_copy_code_t)); | |
| 1977 if (copy == NULL) { | |
| 1978 return NGX_CONF_ERROR; | |
| 1979 } | |
| 1980 | |
| 1981 copy->code = (ngx_http_script_code_pt) | |
| 1982 ngx_http_script_copy_len_code; | |
| 1983 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 1984 + src[i].value.len + sizeof(CRLF) - 1; | |
| 507 | 1985 |
| 1986 | |
| 509 | 1987 size = (sizeof(ngx_http_script_copy_code_t) |
| 1988 + src[i].key.len + sizeof(": ") - 1 | |
| 1989 + src[i].value.len + sizeof(CRLF) - 1 | |
| 1990 + sizeof(uintptr_t) - 1) | |
| 1991 & ~(sizeof(uintptr_t) - 1); | |
| 1992 | |
| 1993 copy = ngx_array_push_n(conf->headers_set, size); | |
| 1994 if (copy == NULL) { | |
| 1995 return NGX_CONF_ERROR; | |
| 1996 } | |
| 1997 | |
| 1998 copy->code = ngx_http_script_copy_code; | |
| 1999 copy->len = src[i].key.len + sizeof(": ") - 1 | |
| 2000 + src[i].value.len + sizeof(CRLF) - 1; | |
| 2001 | |
| 2002 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2003 | |
| 2004 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2005 *p++ = ':'; *p++ = ' '; | |
| 2006 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
| 2007 *p++ = CR; *p = LF; | |
| 2008 | |
| 2009 } else { | |
| 2010 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2011 sizeof(ngx_http_script_copy_code_t)); | |
| 2012 if (copy == NULL) { | |
| 2013 return NGX_CONF_ERROR; | |
| 2014 } | |
| 2015 | |
| 2016 copy->code = (ngx_http_script_code_pt) | |
| 2017 ngx_http_script_copy_len_code; | |
| 2018 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 507 | 2019 |
| 2020 | |
| 509 | 2021 size = (sizeof(ngx_http_script_copy_code_t) |
| 2022 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
| 2023 & ~(sizeof(uintptr_t) - 1); | |
| 2024 | |
| 2025 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2026 if (copy == NULL) { | |
| 2027 return NGX_CONF_ERROR; | |
| 2028 } | |
| 2029 | |
| 2030 copy->code = ngx_http_script_copy_code; | |
| 2031 copy->len = src[i].key.len + sizeof(": ") - 1; | |
| 2032 | |
| 2033 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2034 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
| 2035 *p++ = ':'; *p = ' '; | |
| 2036 | |
| 2037 | |
| 2038 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2039 | |
| 2040 sc.cf = cf; | |
| 2041 sc.source = &src[i].value; | |
| 573 | 2042 sc.flushes = &conf->flushes; |
| 509 | 2043 sc.lengths = &conf->headers_set_len; |
| 2044 sc.values = &conf->headers_set; | |
| 2045 | |
| 2046 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2047 return NGX_CONF_ERROR; | |
| 2048 } | |
| 2049 | |
| 2050 | |
| 2051 copy = ngx_array_push_n(conf->headers_set_len, | |
| 2052 sizeof(ngx_http_script_copy_code_t)); | |
| 2053 if (copy == NULL) { | |
| 2054 return NGX_CONF_ERROR; | |
| 2055 } | |
| 2056 | |
| 2057 copy->code = (ngx_http_script_code_pt) | |
| 2058 ngx_http_script_copy_len_code; | |
| 2059 copy->len = sizeof(CRLF) - 1; | |
| 2060 | |
| 2061 | |
| 2062 size = (sizeof(ngx_http_script_copy_code_t) | |
| 2063 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
| 2064 & ~(sizeof(uintptr_t) - 1); | |
| 2065 | |
| 2066 copy = ngx_array_push_n(conf->headers_set, size); | |
| 2067 if (copy == NULL) { | |
| 2068 return NGX_CONF_ERROR; | |
| 2069 } | |
| 2070 | |
| 2071 copy->code = ngx_http_script_copy_code; | |
| 2072 copy->len = sizeof(CRLF) - 1; | |
| 2073 | |
| 2074 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 2075 *p++ = CR; *p = LF; | |
| 507 | 2076 } |
| 2077 | |
| 509 | 2078 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2079 if (code == NULL) { | |
| 507 | 2080 return NGX_CONF_ERROR; |
| 2081 } | |
| 2082 | |
| 509 | 2083 *code = (uintptr_t) NULL; |
| 2084 | |
| 2085 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
| 2086 if (code == NULL) { | |
| 2087 return NGX_CONF_ERROR; | |
| 2088 } | |
| 2089 | |
| 2090 *code = (uintptr_t) NULL; | |
| 507 | 2091 } |
| 2092 | |
| 509 | 2093 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
| 2094 if (code == NULL) { | |
| 2095 return NGX_CONF_ERROR; | |
| 507 | 2096 } |
| 2097 | |
| 509 | 2098 *code = (uintptr_t) NULL; |
| 507 | 2099 |
| 2100 | |
| 649 | 2101 hash.hash = &conf->headers_set_hash; |
| 2102 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
|
2103 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
|
2104 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
|
2105 hash.name = "proxy_headers_hash"; |
| 649 | 2106 hash.pool = cf->pool; |
| 2107 hash.temp_pool = NULL; | |
| 2108 | |
| 2109 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
| 2110 conf->headers_names->nelts) | |
| 2111 != NGX_OK) | |
| 2112 { | |
| 2113 return NGX_CONF_ERROR; | |
| 2114 } | |
| 2115 | |
| 509 | 2116 return NGX_CONF_OK; |
| 507 | 2117 } |
| 2118 | |
| 2119 | |
| 2120 static char * | |
| 2121 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 2122 { | |
| 509 | 2123 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 507 | 2124 |
| 906 | 2125 u_char *p; |
| 577 | 2126 size_t add; |
| 593 | 2127 u_short port; |
| 507 | 2128 ngx_str_t *value, *url; |
| 651 | 2129 ngx_url_t u; |
| 507 | 2130 ngx_http_core_loc_conf_t *clcf; |
| 577 | 2131 #if (NGX_HTTP_SSL) |
| 2132 ngx_pool_cleanup_t *cln; | |
| 2133 #endif | |
| 507 | 2134 |
| 555 | 2135 if (plcf->upstream.schema.len) { |
| 2136 return "is duplicate"; | |
| 2137 } | |
| 2138 | |
| 507 | 2139 value = cf->args->elts; |
| 2140 | |
| 2141 url = &value[1]; | |
| 2142 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2143 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
| 577 | 2144 add = 7; |
| 591 | 2145 port = 80; |
| 577 | 2146 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2147 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
| 577 | 2148 |
| 2149 #if (NGX_HTTP_SSL) | |
| 2150 | |
| 2151 add = 8; | |
| 591 | 2152 port = 443; |
| 577 | 2153 |
| 2154 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 2155 if (plcf->upstream.ssl == NULL) { | |
| 2156 return NGX_CONF_ERROR; | |
| 2157 } | |
| 2158 | |
| 2159 plcf->upstream.ssl->log = cf->log; | |
| 2160 | |
| 2161 if (ngx_ssl_create(plcf->upstream.ssl, | |
| 969 | 2162 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) |
| 577 | 2163 != NGX_OK) |
| 2164 { | |
| 2165 return NGX_CONF_ERROR; | |
| 2166 } | |
| 2167 | |
| 2168 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 2169 if (cln == NULL) { | |
| 2170 return NGX_CONF_ERROR; | |
| 2171 } | |
| 2172 | |
| 2173 cln->handler = ngx_ssl_cleanup_ctx; | |
| 2174 cln->data = plcf->upstream.ssl; | |
| 2175 | |
| 2176 #else | |
| 2177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2178 "https protocol requires SSL support"); | |
| 2179 return NGX_CONF_ERROR; | |
| 2180 #endif | |
| 2181 | |
| 2182 } else { | |
| 507 | 2183 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
| 2184 return NGX_CONF_ERROR; | |
| 2185 } | |
| 2186 | |
| 651 | 2187 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 2188 | |
| 2189 u.url.len = url->len - add; | |
| 2190 u.url.data = url->data + add; | |
| 906 | 2191 u.default_port = port; |
| 2192 u.uri_part = 1; | |
| 884 | 2193 u.no_resolve = 1; |
| 2194 | |
| 2195 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 2196 if (plcf->upstream.upstream == NULL) { | |
| 507 | 2197 return NGX_CONF_ERROR; |
| 2198 } | |
| 2199 | |
| 906 | 2200 if (!u.unix_socket) { |
| 2201 if (u.no_port || u.port == port) { | |
| 2202 plcf->host_header = u.host; | |
| 2203 | |
| 2204 if (port == 80) { | |
| 2205 plcf->port.len = sizeof("80") - 1; | |
| 2206 plcf->port.data = (u_char *) "80"; | |
| 2207 } else { | |
| 2208 plcf->port.len = sizeof("443") - 1; | |
| 2209 plcf->port.data = (u_char *) "443"; | |
| 2210 } | |
| 2211 | |
| 2212 } else { | |
| 2213 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1); | |
| 2214 if (p == NULL) { | |
| 2215 return NGX_CONF_ERROR; | |
| 2216 } | |
| 2217 | |
| 2218 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port) | |
| 2219 - p; | |
| 2220 plcf->host_header.data = p; | |
| 2221 | |
| 2222 plcf->port.len = plcf->host_header.len - u.host.len - 1; | |
| 2223 plcf->port.data = p + u.host.len + 1; | |
| 2224 } | |
| 2225 | |
| 2226 | |
| 2227 } else { | |
| 2228 plcf->host_header.len = sizeof("localhost") - 1; | |
| 2229 plcf->host_header.data = (u_char *) "localhost"; | |
| 2230 plcf->port.len = 0; | |
| 2231 plcf->port.data = (u_char *) ""; | |
| 2232 } | |
| 2233 | |
| 651 | 2234 plcf->upstream.uri = u.uri; |
| 2235 | |
| 591 | 2236 plcf->upstream.schema.len = add; |
| 2237 plcf->upstream.schema.data = url->data; | |
| 509 | 2238 |
| 507 | 2239 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
| 2240 | |
| 2241 clcf->handler = ngx_http_proxy_handler; | |
| 2242 | |
| 573 | 2243 plcf->upstream.location = clcf->name; |
| 555 | 2244 |
| 507 | 2245 #if (NGX_PCRE) |
| 555 | 2246 |
| 629 | 2247 if (clcf->regex || clcf->noname) { |
| 573 | 2248 if (plcf->upstream.uri.len) { |
| 2249 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2250 "\"proxy_pass\" may not have URI part in " | |
|
843
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2251 "location given by regular expression, " |
|
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2252 "or inside the \"if\" statement, " |
|
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2253 "or inside the \"limit_except\" block"); |
| 573 | 2254 return NGX_CONF_ERROR; |
| 2255 } | |
| 2256 | |
| 2257 plcf->upstream.location.len = 0; | |
| 555 | 2258 } |
| 2259 | |
| 507 | 2260 #endif |
| 2261 | |
| 509 | 2262 plcf->upstream.url = *url; |
| 2263 | |
| 507 | 2264 if (clcf->name.data[clcf->name.len - 1] == '/') { |
| 2265 clcf->auto_redirect = 1; | |
| 2266 } | |
| 2267 | |
| 2268 return NGX_CONF_OK; | |
| 2269 } | |
| 2270 | |
| 2271 | |
| 2272 static char * | |
| 509 | 2273 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 507 | 2274 { |
| 509 | 2275 ngx_http_proxy_loc_conf_t *plcf = conf; |
| 2276 | |
| 2277 ngx_str_t *value; | |
| 2278 ngx_array_t *vars_lengths, *vars_values; | |
| 2279 ngx_http_script_compile_t sc; | |
| 2280 ngx_http_proxy_redirect_t *pr; | |
| 2281 | |
| 2282 if (plcf->redirect == 0) { | |
| 2283 return NGX_CONF_OK; | |
| 2284 } | |
| 2285 | |
| 2286 value = cf->args->elts; | |
| 2287 | |
| 2288 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 2289 plcf->redirect = 0; | |
| 2290 plcf->redirects = NULL; | |
| 2291 return NGX_CONF_OK; | |
| 2292 } | |
| 2293 | |
| 2294 if (plcf->redirects == NULL) { | |
| 2295 plcf->redirects = ngx_array_create(cf->pool, 1, | |
| 2296 sizeof(ngx_http_proxy_redirect_t)); | |
| 2297 if (plcf->redirects == NULL) { | |
| 2298 return NGX_CONF_ERROR; | |
| 2299 } | |
| 2300 } | |
| 2301 | |
| 2302 pr = ngx_array_push(plcf->redirects); | |
| 2303 if (pr == NULL) { | |
| 2304 return NGX_CONF_ERROR; | |
| 2305 } | |
| 2306 | |
| 2307 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
| 2308 if (plcf->upstream.url.data == NULL) { | |
| 2309 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2310 "\"proxy_rewrite_location default\" must go " | |
| 2311 "after the \"proxy_pass\" directive"); | |
| 2312 return NGX_CONF_ERROR; | |
| 2313 } | |
| 2314 | |
| 2315 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 2316 pr->redirect = plcf->upstream.url; | |
| 653 | 2317 |
| 2318 if (plcf->upstream.uri.len) { | |
| 2319 pr->replacement.text = plcf->upstream.location; | |
| 2320 | |
| 2321 } else { | |
| 2322 pr->replacement.text.len = 0; | |
| 2323 pr->replacement.text.data = NULL; | |
| 2324 } | |
| 509 | 2325 |
| 2326 return NGX_CONF_OK; | |
| 2327 } | |
| 2328 | |
| 2329 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
| 2330 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
| 2331 pr->redirect = value[1]; | |
| 2332 pr->replacement.text = value[2]; | |
| 2333 | |
| 2334 return NGX_CONF_OK; | |
| 2335 } | |
| 2336 | |
| 2337 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 2338 | |
| 2339 vars_lengths = NULL; | |
| 2340 vars_values = NULL; | |
| 2341 | |
| 2342 sc.cf = cf; | |
| 2343 sc.source = &value[2]; | |
| 2344 sc.lengths = &vars_lengths; | |
| 2345 sc.values = &vars_values; | |
| 2346 sc.complete_lengths = 1; | |
| 2347 sc.complete_values = 1; | |
| 2348 | |
| 2349 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 2350 return NGX_CONF_ERROR; | |
| 2351 } | |
| 2352 | |
| 2353 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
| 2354 pr->redirect = value[1]; | |
| 2355 pr->replacement.vars.lengths = vars_lengths->elts; | |
| 2356 pr->replacement.vars.values = vars_values->elts; | |
| 2357 | |
| 507 | 2358 return NGX_CONF_OK; |
| 2359 } | |
| 2360 | |
| 2361 | |
| 2362 static char * | |
| 2363 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) | |
| 2364 { | |
| 2365 #if (NGX_FREEBSD) | |
| 2366 ssize_t *np = data; | |
| 2367 | |
| 673 | 2368 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
| 507 | 2369 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2370 "\"proxy_send_lowat\" must be less than %d " | |
| 2371 "(sysctl net.inet.tcp.sendspace)", | |
| 2372 ngx_freebsd_net_inet_tcp_sendspace); | |
| 2373 | |
| 2374 return NGX_CONF_ERROR; | |
| 2375 } | |
| 2376 | |
| 2377 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
| 2378 ssize_t *np = data; | |
| 2379 | |
| 2380 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 2381 "\"proxy_send_lowat\" is not supported, ignored"); | |
| 2382 | |
| 2383 *np = 0; | |
| 2384 | |
| 2385 #endif | |
| 2386 | |
| 2387 return NGX_CONF_OK; | |
| 2388 } | |
| 884 | 2389 |
| 2390 | |
| 2391 static char * | |
| 2392 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
| 2393 ngx_command_t *cmd, void *conf) | |
| 2394 { | |
| 2395 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2396 "\"proxy_upstream_max_fails\" is not supported, " | |
| 2397 "use the \"max_fails\" parameter of the \"server\" directive ", | |
| 2398 "inside the \"upstream\" block"); | |
| 2399 | |
| 2400 return NGX_CONF_ERROR; | |
| 2401 } | |
| 2402 | |
| 2403 | |
| 2404 static char * | |
| 2405 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
| 2406 ngx_command_t *cmd, void *conf) | |
| 2407 { | |
| 2408 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 2409 "\"proxy_upstream_fail_timeout\" is not supported, " | |
| 2410 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
| 2411 "inside the \"upstream\" block"); | |
| 2412 | |
| 2413 return NGX_CONF_ERROR; | |
| 2414 } |