Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_proxy_module.c @ 1291:13a4ce6e7f1e
proxy_store and fastcgi_store
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 12 Jul 2007 11:19:05 +0000 |
parents | 99914ee62b48 |
children | 5383f5232364 |
rev | line source |
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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 | |
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157 { ngx_string("proxy_store"), |
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
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159 ngx_conf_set_access_slot, |
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160 NGX_HTTP_LOC_CONF_OFFSET, |
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161 offsetof(ngx_http_proxy_loc_conf_t, upstream.store), |
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162 NULL }, |
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163 |
581 | 164 { ngx_string("proxy_buffering"), |
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.buffering), | |
169 NULL }, | |
170 | |
629 | 171 { ngx_string("proxy_ignore_client_abort"), |
172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
173 ngx_conf_set_flag_slot, | |
174 NGX_HTTP_LOC_CONF_OFFSET, | |
175 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
176 NULL }, | |
177 | |
507 | 178 { ngx_string("proxy_connect_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.connect_timeout), | |
183 NULL }, | |
184 | |
185 { ngx_string("proxy_send_timeout"), | |
186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
187 ngx_conf_set_msec_slot, | |
188 NGX_HTTP_LOC_CONF_OFFSET, | |
189 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
190 NULL }, | |
191 | |
192 { ngx_string("proxy_send_lowat"), | |
193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
194 ngx_conf_set_size_slot, | |
195 NGX_HTTP_LOC_CONF_OFFSET, | |
196 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
197 &ngx_http_proxy_lowat_post }, | |
198 | |
657 | 199 { ngx_string("proxy_intercept_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, | |
203 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), | |
204 NULL }, | |
205 | |
509 | 206 { ngx_string("proxy_redirect_errors"), |
207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
208 ngx_conf_set_flag_slot, | |
209 NGX_HTTP_LOC_CONF_OFFSET, | |
657 | 210 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), |
211 &ngx_conf_deprecated_proxy_redirect_errors }, | |
509 | 212 |
213 { ngx_string("proxy_set_header"), | |
214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
649 | 215 ngx_conf_set_keyval_slot, |
507 | 216 NGX_HTTP_LOC_CONF_OFFSET, |
509 | 217 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
507 | 218 NULL }, |
219 | |
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220 { ngx_string("proxy_headers_hash_max_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_max_size), |
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225 NULL }, |
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226 |
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227 { ngx_string("proxy_headers_hash_bucket_size"), |
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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229 ngx_conf_set_num_slot, |
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230 NGX_HTTP_LOC_CONF_OFFSET, |
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231 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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232 NULL }, |
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233 |
577 | 234 { ngx_string("proxy_set_body"), |
235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
236 ngx_conf_set_str_slot, | |
237 NGX_HTTP_LOC_CONF_OFFSET, | |
238 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
239 NULL }, | |
240 | |
509 | 241 { ngx_string("proxy_method"), |
242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
561 | 243 ngx_conf_set_str_slot, |
509 | 244 NGX_HTTP_LOC_CONF_OFFSET, |
561 | 245 offsetof(ngx_http_proxy_loc_conf_t, method), |
246 NULL }, | |
509 | 247 |
248 { ngx_string("proxy_pass_request_headers"), | |
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_headers), |
507 | 253 NULL }, |
254 | |
509 | 255 { ngx_string("proxy_pass_request_body"), |
507 | 256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
257 ngx_conf_set_flag_slot, | |
258 NGX_HTTP_LOC_CONF_OFFSET, | |
509 | 259 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
507 | 260 NULL }, |
261 | |
581 | 262 { ngx_string("proxy_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, | |
266 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
267 NULL }, | |
268 | |
507 | 269 { ngx_string("proxy_header_buffer_size"), |
270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
271 ngx_conf_set_size_slot, | |
272 NGX_HTTP_LOC_CONF_OFFSET, | |
581 | 273 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), |
274 &ngx_conf_deprecated_proxy_header_buffer_size }, | |
507 | 275 |
276 { ngx_string("proxy_read_timeout"), | |
277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
278 ngx_conf_set_msec_slot, | |
279 NGX_HTTP_LOC_CONF_OFFSET, | |
280 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
281 NULL }, | |
282 | |
283 { ngx_string("proxy_buffers"), | |
284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
285 ngx_conf_set_bufs_slot, | |
286 NGX_HTTP_LOC_CONF_OFFSET, | |
287 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
288 NULL }, | |
289 | |
290 { ngx_string("proxy_busy_buffers_size"), | |
291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
292 ngx_conf_set_size_slot, | |
293 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 294 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
507 | 295 NULL }, |
296 | |
297 { ngx_string("proxy_temp_path"), | |
298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
299 ngx_conf_set_path_slot, | |
300 NGX_HTTP_LOC_CONF_OFFSET, | |
301 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
302 (void *) ngx_garbage_collector_temp_handler }, | |
303 | |
304 { ngx_string("proxy_max_temp_file_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.max_temp_file_size_conf), |
507 | 309 NULL }, |
310 | |
311 { ngx_string("proxy_temp_file_write_size"), | |
312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
313 ngx_conf_set_size_slot, | |
314 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 315 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
507 | 316 NULL }, |
317 | |
318 { ngx_string("proxy_next_upstream"), | |
547 | 319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
507 | 320 ngx_conf_set_bitmask_slot, |
321 NGX_HTTP_LOC_CONF_OFFSET, | |
322 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
323 &ngx_http_proxy_next_upstream_masks }, | |
324 | |
561 | 325 { ngx_string("proxy_upstream_max_fails"), |
326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 327 ngx_http_proxy_upstream_max_fails_unsupported, |
328 0, | |
329 0, | |
561 | 330 NULL }, |
331 | |
332 { ngx_string("proxy_upstream_fail_timeout"), | |
333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 334 ngx_http_proxy_upstream_fail_timeout_unsupported, |
335 0, | |
336 0, | |
561 | 337 NULL }, |
338 | |
649 | 339 { ngx_string("proxy_pass_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.pass_headers), |
507 | 344 NULL }, |
345 | |
649 | 346 { ngx_string("proxy_hide_header"), |
507 | 347 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
649 | 348 ngx_conf_set_str_array_slot, |
507 | 349 NGX_HTTP_LOC_CONF_OFFSET, |
649 | 350 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
507 | 351 NULL }, |
352 | |
353 ngx_null_command | |
354 }; | |
355 | |
356 | |
667 | 357 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
509 | 358 ngx_http_proxy_add_variables, /* preconfiguration */ |
359 NULL, /* postconfiguration */ | |
507 | 360 |
361 NULL, /* create main configuration */ | |
362 NULL, /* init main configuration */ | |
363 | |
364 NULL, /* create server configuration */ | |
365 NULL, /* merge server configuration */ | |
366 | |
367 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
368 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
369 }; | |
370 | |
371 | |
372 ngx_module_t ngx_http_proxy_module = { | |
509 | 373 NGX_MODULE_V1, |
507 | 374 &ngx_http_proxy_module_ctx, /* module context */ |
375 ngx_http_proxy_commands, /* module directives */ | |
376 NGX_HTTP_MODULE, /* module type */ | |
541 | 377 NULL, /* init master */ |
509 | 378 NULL, /* init module */ |
541 | 379 NULL, /* init process */ |
380 NULL, /* init thread */ | |
381 NULL, /* exit thread */ | |
382 NULL, /* exit process */ | |
383 NULL, /* exit master */ | |
384 NGX_MODULE_V1_PADDING | |
507 | 385 }; |
386 | |
387 | |
388 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
389 | |
509 | 390 |
649 | 391 static ngx_keyval_t ngx_http_proxy_headers[] = { |
392 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
393 { ngx_string("Connection"), ngx_string("close") }, | |
394 { ngx_string("Keep-Alive"), ngx_string("") }, | |
395 { ngx_null_string, ngx_null_string } | |
396 }; | |
397 | |
398 | |
399 static ngx_str_t ngx_http_proxy_hide_headers[] = { | |
400 ngx_string("Date"), | |
401 ngx_string("Server"), | |
402 ngx_string("X-Pad"), | |
403 ngx_string("X-Accel-Expires"), | |
404 ngx_string("X-Accel-Redirect"), | |
405 ngx_string("X-Accel-Limit-Rate"), | |
406 ngx_string("X-Accel-Buffer"), | |
407 ngx_null_string | |
509 | 408 }; |
409 | |
410 | |
411 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
412 | |
637 | 413 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
583 | 414 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 415 |
637 | 416 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
583 | 417 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 418 |
637 | 419 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
583 | 420 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 421 |
422 #if 0 | |
637 | 423 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 424 #endif |
425 | |
637 | 426 { ngx_string("proxy_internal_body_length"), NULL, |
583 | 427 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
577 | 428 |
637 | 429 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
509 | 430 }; |
507 | 431 |
432 | |
433 static ngx_int_t | |
434 ngx_http_proxy_handler(ngx_http_request_t *r) | |
577 | 435 { |
507 | 436 ngx_int_t rc; |
437 ngx_http_upstream_t *u; | |
438 ngx_http_proxy_loc_conf_t *plcf; | |
577 | 439 |
507 | 440 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
577 | 441 |
507 | 442 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
443 if (u == NULL) { | |
444 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
445 } | |
577 | 446 |
507 | 447 u->peer.log = r->connection->log; |
448 u->peer.log_error = NGX_ERROR_ERR; | |
449 #if (NGX_THREADS) | |
450 u->peer.lock = &r->connection->lock; | |
451 #endif | |
452 | |
453 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
454 | |
455 u->conf = &plcf->upstream; | |
456 | |
457 u->create_request = ngx_http_proxy_create_request; | |
458 u->reinit_request = ngx_http_proxy_reinit_request; | |
509 | 459 u->process_header = ngx_http_proxy_process_status_line; |
507 | 460 u->abort_request = ngx_http_proxy_abort_request; |
461 u->finalize_request = ngx_http_proxy_finalize_request; | |
462 | |
509 | 463 if (plcf->redirects) { |
464 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
465 } | |
466 | |
649 | 467 u->buffering = plcf->upstream.buffering; |
468 | |
469 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
470 if (u->pipe == NULL) { | |
471 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
581 | 472 } |
507 | 473 |
649 | 474 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
475 | |
509 | 476 u->accel = 1; |
577 | 477 |
507 | 478 r->upstream = u; |
479 | |
480 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
481 | |
482 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
483 return rc; | |
484 } | |
485 | |
486 return NGX_DONE; | |
487 } | |
488 | |
489 | |
490 static ngx_int_t | |
491 ngx_http_proxy_create_request(ngx_http_request_t *r) | |
492 { | |
577 | 493 size_t len, loc_len, body_len; |
509 | 494 uintptr_t escape; |
495 ngx_buf_t *b; | |
649 | 496 ngx_str_t method; |
497 ngx_uint_t i, unparsed_uri; | |
509 | 498 ngx_chain_t *cl, *body; |
499 ngx_list_part_t *part; | |
500 ngx_table_elt_t *header; | |
501 ngx_http_upstream_t *u; | |
577 | 502 ngx_http_proxy_ctx_t *p; |
509 | 503 ngx_http_script_code_pt code; |
504 ngx_http_script_engine_t e, le; | |
505 ngx_http_proxy_loc_conf_t *plcf; | |
506 ngx_http_script_len_code_pt lcode; | |
507 | 507 |
508 u = r->upstream; | |
509 | |
510 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
511 | |
577 | 512 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); |
513 if (p == NULL) { | |
514 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
515 } | |
516 | |
517 ngx_http_set_ctx(r, p, ngx_http_proxy_module); | |
518 | |
507 | 519 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
520 | |
561 | 521 if (u->method.len) { |
522 /* HEAD was changed to GET to cache response */ | |
523 method = u->method; | |
524 method.len++; | |
525 | |
526 } else if (plcf->method.len) { | |
527 method = plcf->method; | |
528 | |
507 | 529 } else { |
561 | 530 method = r->method_name; |
531 method.len++; | |
507 | 532 } |
533 | |
561 | 534 len += method.len + u->conf->uri.len; |
535 | |
507 | 536 escape = 0; |
509 | 537 |
627 | 538 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len: |
539 0; | |
509 | 540 |
609 | 541 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) { |
542 unparsed_uri = 1; | |
539 | 543 len += r->unparsed_uri.len; |
507 | 544 |
545 } else { | |
609 | 546 unparsed_uri = 0; |
507 | 547 if (r->quoted_uri) { |
509 | 548 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
549 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
507 | 550 } |
551 | |
509 | 552 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len; |
507 | 553 } |
554 | |
573 | 555 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes); |
556 | |
577 | 557 if (plcf->body_set_len) { |
558 le.ip = plcf->body_set_len->elts; | |
559 le.request = r; | |
560 le.flushed = 1; | |
561 body_len = 0; | |
562 | |
563 while (*(uintptr_t *) le.ip) { | |
564 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
565 body_len += lcode(&le); | |
566 } | |
567 | |
568 p->internal_body_length = body_len; | |
569 len += body_len; | |
570 } | |
571 | |
509 | 572 le.ip = plcf->headers_set_len->elts; |
573 le.request = r; | |
573 | 574 le.flushed = 1; |
507 | 575 |
509 | 576 while (*(uintptr_t *) le.ip) { |
577 while (*(uintptr_t *) le.ip) { | |
578 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
579 len += lcode(&le); | |
580 } | |
581 le.ip += sizeof(uintptr_t); | |
507 | 582 } |
583 | |
584 | |
509 | 585 if (plcf->upstream.pass_request_headers) { |
586 part = &r->headers_in.headers.part; | |
587 header = part->elts; | |
588 | |
589 for (i = 0; /* void */; i++) { | |
507 | 590 |
509 | 591 if (i >= part->nelts) { |
592 if (part->next == NULL) { | |
593 break; | |
594 } | |
595 | |
596 part = part->next; | |
597 header = part->elts; | |
577 | 598 i = 0; |
507 | 599 } |
600 | |
649 | 601 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
602 header[i].lowcase_key, header[i].key.len)) | |
509 | 603 { |
604 continue; | |
605 } | |
606 | |
607 len += header[i].key.len + sizeof(": ") - 1 | |
608 + header[i].value.len + sizeof(CRLF) - 1; | |
507 | 609 } |
509 | 610 } |
507 | 611 |
612 | |
613 b = ngx_create_temp_buf(r->pool, len); | |
614 if (b == NULL) { | |
615 return NGX_ERROR; | |
616 } | |
617 | |
618 cl = ngx_alloc_chain_link(r->pool); | |
619 if (cl == NULL) { | |
620 return NGX_ERROR; | |
621 } | |
622 | |
623 cl->buf = b; | |
624 | |
625 | |
626 /* the request line */ | |
627 | |
573 | 628 b->last = ngx_copy(b->last, method.data, method.len); |
507 | 629 |
555 | 630 u->uri.data = b->last; |
631 | |
609 | 632 if (unparsed_uri) { |
573 | 633 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
634 | |
507 | 635 } else { |
555 | 636 if (r->valid_location) { |
573 | 637 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len); |
555 | 638 } |
551 | 639 |
507 | 640 if (escape) { |
509 | 641 ngx_escape_uri(b->last, r->uri.data + loc_len, |
642 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
643 b->last += r->uri.len - loc_len + escape; | |
507 | 644 |
577 | 645 } else { |
573 | 646 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
647 r->uri.len - loc_len); | |
507 | 648 } |
649 | |
650 if (r->args.len > 0) { | |
651 *b->last++ = '?'; | |
573 | 652 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
507 | 653 } |
654 } | |
655 | |
555 | 656 u->uri.len = b->last - u->uri.data; |
657 | |
507 | 658 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
659 sizeof(ngx_http_proxy_version) - 1); | |
660 | |
577 | 661 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
507 | 662 |
663 e.ip = plcf->headers_set->elts; | |
664 e.pos = b->last; | |
509 | 665 e.request = r; |
573 | 666 e.flushed = 1; |
507 | 667 |
509 | 668 le.ip = plcf->headers_set_len->elts; |
669 | |
670 while (*(uintptr_t *) le.ip) { | |
671 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
515 | 672 |
673 /* skip the header line name length */ | |
674 (void) lcode(&le); | |
509 | 675 |
676 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
677 | |
678 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
679 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
680 } | |
681 | |
682 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
683 | |
684 } else { | |
685 e.skip = 0; | |
686 } | |
687 | |
688 le.ip += sizeof(uintptr_t); | |
689 | |
690 while (*(uintptr_t *) e.ip) { | |
691 code = *(ngx_http_script_code_pt *) e.ip; | |
692 code((ngx_http_script_engine_t *) &e); | |
577 | 693 } |
509 | 694 e.ip += sizeof(uintptr_t); |
507 | 695 } |
696 | |
697 b->last = e.pos; | |
698 | |
699 | |
509 | 700 if (plcf->upstream.pass_request_headers) { |
701 part = &r->headers_in.headers.part; | |
702 header = part->elts; | |
577 | 703 |
509 | 704 for (i = 0; /* void */; i++) { |
507 | 705 |
509 | 706 if (i >= part->nelts) { |
707 if (part->next == NULL) { | |
708 break; | |
709 } | |
710 | |
711 part = part->next; | |
712 header = part->elts; | |
577 | 713 i = 0; |
507 | 714 } |
715 | |
649 | 716 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
717 header[i].lowcase_key, header[i].key.len)) | |
509 | 718 { |
719 continue; | |
720 } | |
507 | 721 |
573 | 722 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
507 | 723 |
509 | 724 *b->last++ = ':'; *b->last++ = ' '; |
507 | 725 |
573 | 726 b->last = ngx_copy(b->last, header[i].value.data, |
727 header[i].value.len); | |
507 | 728 |
509 | 729 *b->last++ = CR; *b->last++ = LF; |
507 | 730 |
509 | 731 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
732 "http proxy header: \"%V: %V\"", | |
733 &header[i].key, &header[i].value); | |
734 } | |
507 | 735 } |
736 | |
577 | 737 |
507 | 738 /* add "\r\n" at the header end */ |
739 *b->last++ = CR; *b->last++ = LF; | |
740 | |
577 | 741 if (plcf->body_set) { |
742 e.ip = plcf->body_set->elts; | |
743 e.pos = b->last; | |
744 | |
745 while (*(uintptr_t *) e.ip) { | |
746 code = *(ngx_http_script_code_pt *) e.ip; | |
747 code((ngx_http_script_engine_t *) &e); | |
748 } | |
579 | 749 |
750 b->last = e.pos; | |
577 | 751 } |
752 | |
507 | 753 #if (NGX_DEBUG) |
754 { | |
755 ngx_str_t s; | |
756 | |
757 s.len = b->last - b->pos; | |
758 s.data = b->pos; | |
759 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
760 "http proxy header:\n\"%V\"", &s); | |
761 } | |
762 #endif | |
763 | |
577 | 764 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
509 | 765 |
766 body = u->request_bufs; | |
767 u->request_bufs = cl; | |
768 | |
769 while (body) { | |
770 b = ngx_alloc_buf(r->pool); | |
771 if (b == NULL) { | |
772 return NGX_ERROR; | |
773 } | |
774 | |
775 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
776 | |
777 cl->next = ngx_alloc_chain_link(r->pool); | |
778 if (cl->next == NULL) { | |
779 return NGX_ERROR; | |
780 } | |
781 | |
782 cl = cl->next; | |
783 cl->buf = b; | |
784 | |
785 body = body->next; | |
786 } | |
787 | |
611 | 788 b->flush = 1; |
789 | |
509 | 790 } else { |
791 u->request_bufs = cl; | |
792 } | |
793 | |
794 cl->next = NULL; | |
795 | |
507 | 796 return NGX_OK; |
797 } | |
798 | |
799 | |
800 static ngx_int_t | |
801 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
802 { | |
509 | 803 ngx_http_proxy_ctx_t *p; |
804 | |
805 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
806 | |
807 if (p == NULL) { | |
808 return NGX_OK; | |
809 } | |
810 | |
811 p->status = 0; | |
812 p->status_count = 0; | |
813 p->status_start = NULL; | |
814 p->status_end = NULL; | |
815 | |
816 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
817 | |
818 return NGX_OK; | |
819 } | |
820 | |
821 | |
822 static ngx_int_t | |
823 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
824 { | |
825 ngx_int_t rc; | |
826 ngx_http_upstream_t *u; | |
827 ngx_http_proxy_ctx_t *p; | |
828 | |
829 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
830 | |
831 if (p == NULL) { | |
577 | 832 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
509 | 833 } |
834 | |
835 rc = ngx_http_proxy_parse_status_line(r, p); | |
836 | |
837 if (rc == NGX_AGAIN) { | |
838 return rc; | |
839 } | |
840 | |
841 u = r->upstream; | |
842 | |
843 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
844 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
577 | 845 "upstream sent no valid HTTP/1.0 header"); |
509 | 846 |
619 | 847 #if 0 |
509 | 848 if (u->accel) { |
849 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
850 } | |
619 | 851 #endif |
509 | 852 |
853 r->http_version = NGX_HTTP_VERSION_9; | |
854 p->status = NGX_HTTP_OK; | |
577 | 855 |
509 | 856 return NGX_OK; |
857 } | |
858 | |
529 | 859 u->headers_in.status_n = p->status; |
509 | 860 u->state->status = p->status; |
861 | |
529 | 862 u->headers_in.status_line.len = p->status_end - p->status_start; |
863 u->headers_in.status_line.data = ngx_palloc(r->pool, | |
864 u->headers_in.status_line.len); | |
865 if (u->headers_in.status_line.data == NULL) { | |
509 | 866 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
867 } | |
573 | 868 |
529 | 869 ngx_memcpy(u->headers_in.status_line.data, p->status_start, |
870 u->headers_in.status_line.len); | |
509 | 871 |
872 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
873 "http proxy status %ui \"%V\"", | |
936 | 874 u->headers_in.status_n, &u->headers_in.status_line); |
509 | 875 |
876 u->process_header = ngx_http_proxy_process_header; | |
877 | |
878 return ngx_http_proxy_process_header(r); | |
879 } | |
880 | |
881 | |
882 static ngx_int_t | |
883 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p) | |
884 { | |
885 u_char ch; | |
886 u_char *pos; | |
887 ngx_http_upstream_t *u; | |
888 enum { | |
889 sw_start = 0, | |
890 sw_H, | |
891 sw_HT, | |
892 sw_HTT, | |
893 sw_HTTP, | |
894 sw_first_major_digit, | |
895 sw_major_digit, | |
896 sw_first_minor_digit, | |
897 sw_minor_digit, | |
898 sw_status, | |
899 sw_space_after_status, | |
900 sw_status_text, | |
901 sw_almost_done | |
577 | 902 } state; |
509 | 903 |
904 u = r->upstream; | |
905 | |
906 state = r->state; | |
907 | |
581 | 908 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) { |
509 | 909 ch = *pos; |
910 | |
911 switch (state) { | |
912 | |
913 /* "HTTP/" */ | |
914 case sw_start: | |
915 switch (ch) { | |
577 | 916 case 'H': |
509 | 917 state = sw_H; |
918 break; | |
919 default: | |
920 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
921 } | |
922 break; | |
923 | |
577 | 924 case sw_H: |
509 | 925 switch (ch) { |
577 | 926 case 'T': |
509 | 927 state = sw_HT; |
928 break; | |
929 default: | |
930 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
931 } | |
932 break; | |
933 | |
934 case sw_HT: | |
935 switch (ch) { | |
577 | 936 case 'T': |
509 | 937 state = sw_HTT; |
938 break; | |
939 default: | |
940 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
941 } | |
942 break; | |
943 | |
944 case sw_HTT: | |
945 switch (ch) { | |
577 | 946 case 'P': |
509 | 947 state = sw_HTTP; |
948 break; | |
949 default: | |
950 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
951 } | |
952 break; | |
953 | |
954 case sw_HTTP: | |
955 switch (ch) { | |
577 | 956 case '/': |
509 | 957 state = sw_first_major_digit; |
958 break; | |
959 default: | |
960 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
961 } | |
962 break; | |
963 | |
964 /* the first digit of major HTTP version */ | |
965 case sw_first_major_digit: | |
966 if (ch < '1' || ch > '9') { | |
967 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
968 } | |
969 | |
970 state = sw_major_digit; | |
971 break; | |
972 | |
973 /* the major HTTP version or dot */ | |
974 case sw_major_digit: | |
975 if (ch == '.') { | |
976 state = sw_first_minor_digit; | |
977 break; | |
978 } | |
979 | |
980 if (ch < '0' || ch > '9') { | |
981 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
982 } | |
983 | |
984 break; | |
985 | |
986 /* the first digit of minor HTTP version */ | |
987 case sw_first_minor_digit: | |
988 if (ch < '0' || ch > '9') { | |
989 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
990 } | |
991 | |
992 state = sw_minor_digit; | |
993 break; | |
994 | |
995 /* the minor HTTP version or the end of the request line */ | |
996 case sw_minor_digit: | |
997 if (ch == ' ') { | |
998 state = sw_status; | |
999 break; | |
1000 } | |
1001 | |
1002 if (ch < '0' || ch > '9') { | |
1003 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1004 } | |
1005 | |
1006 break; | |
1007 | |
1008 /* HTTP status code */ | |
1009 case sw_status: | |
619 | 1010 if (ch == ' ') { |
1011 break; | |
1012 } | |
1013 | |
509 | 1014 if (ch < '0' || ch > '9') { |
1015 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1016 } | |
1017 | |
1018 p->status = p->status * 10 + ch - '0'; | |
1019 | |
1020 if (++p->status_count == 3) { | |
1021 state = sw_space_after_status; | |
1022 p->status_start = pos - 2; | |
1023 } | |
1024 | |
1025 break; | |
1026 | |
1027 /* space or end of line */ | |
1028 case sw_space_after_status: | |
1029 switch (ch) { | |
577 | 1030 case ' ': |
509 | 1031 state = sw_status_text; |
1032 break; | |
1033 case '.': /* IIS may send 403.1, 403.2, etc */ | |
1034 state = sw_status_text; | |
1035 break; | |
1036 case CR: | |
1037 state = sw_almost_done; | |
1038 break; | |
1039 case LF: | |
1040 goto done; | |
1041 default: | |
1042 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1043 } | |
1044 break; | |
1045 | |
1046 /* any text until end of line */ | |
1047 case sw_status_text: | |
1048 switch (ch) { | |
1049 case CR: | |
1050 state = sw_almost_done; | |
1051 | |
1052 break; | |
1053 case LF: | |
1054 goto done; | |
1055 } | |
1056 break; | |
1057 | |
527 | 1058 /* end of status line */ |
509 | 1059 case sw_almost_done: |
1060 p->status_end = pos - 1; | |
1061 switch (ch) { | |
1062 case LF: | |
1063 goto done; | |
1064 default: | |
1065 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1066 } | |
1067 } | |
1068 } | |
1069 | |
581 | 1070 u->buffer.pos = pos; |
509 | 1071 r->state = state; |
1072 | |
1073 return NGX_AGAIN; | |
1074 | |
1075 done: | |
1076 | |
581 | 1077 u->buffer.pos = pos + 1; |
509 | 1078 |
1079 if (p->status_end == NULL) { | |
1080 p->status_end = pos; | |
1081 } | |
1082 | |
1083 r->state = sw_start; | |
1084 | |
507 | 1085 return NGX_OK; |
1086 } | |
1087 | |
1088 | |
1089 static ngx_int_t | |
1090 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
1091 { | |
509 | 1092 ngx_int_t rc; |
649 | 1093 ngx_uint_t i; |
509 | 1094 ngx_table_elt_t *h; |
1095 ngx_http_upstream_header_t *hh; | |
1096 ngx_http_upstream_main_conf_t *umcf; | |
1097 | |
1098 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
1099 | |
1100 for ( ;; ) { | |
1101 | |
581 | 1102 rc = ngx_http_parse_header_line(r, &r->upstream->buffer); |
509 | 1103 |
1104 if (rc == NGX_OK) { | |
1105 | |
1106 /* a header line has been parsed successfully */ | |
507 | 1107 |
509 | 1108 h = ngx_list_push(&r->upstream->headers_in.headers); |
1109 if (h == NULL) { | |
1110 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1111 } | |
1112 | |
1113 h->hash = r->header_hash; | |
1114 | |
1115 h->key.len = r->header_name_end - r->header_name_start; | |
1116 h->value.len = r->header_end - r->header_start; | |
1117 | |
1118 h->key.data = ngx_palloc(r->pool, | |
649 | 1119 h->key.len + 1 + h->value.len + 1 + h->key.len); |
509 | 1120 if (h->key.data == NULL) { |
1121 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1122 } | |
1123 | |
1124 h->value.data = h->key.data + h->key.len + 1; | |
649 | 1125 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
507 | 1126 |
509 | 1127 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
1128 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
1129 | |
649 | 1130 if (h->key.len == r->lowcase_index) { |
1131 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
1132 | |
1133 } else { | |
1134 for (i = 0; i < h->key.len; i++) { | |
1135 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]); | |
509 | 1136 } |
1137 } | |
1138 | |
649 | 1139 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
1140 h->lowcase_key, h->key.len); | |
1141 | |
1142 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
1143 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1144 } | |
1145 | |
509 | 1146 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1147 "http proxy header: \"%V: %V\"", | |
1148 &h->key, &h->value); | |
1149 | |
1150 continue; | |
1151 } | |
1152 | |
1153 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
1154 | |
1155 /* a whole header has been parsed successfully */ | |
1156 | |
1157 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1158 "http proxy header done"); | |
1159 | |
649 | 1160 /* |
1161 * if no "Server" and "Date" in header line, | |
1162 * then add the special empty headers | |
1163 */ | |
1164 | |
1165 if (r->upstream->headers_in.server == NULL) { | |
1166 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1167 if (h == NULL) { | |
1168 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1169 } | |
1170 | |
1171 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
1172 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
1173 | |
1174 h->key.len = sizeof("Server") - 1; | |
1175 h->key.data = (u_char *) "Server"; | |
1176 h->value.len = 0; | |
1177 h->value.data = NULL; | |
1178 h->lowcase_key = (u_char *) "server"; | |
1179 } | |
1180 | |
1181 if (r->upstream->headers_in.date == NULL) { | |
1182 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1183 if (h == NULL) { | |
1184 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1185 } | |
1186 | |
1187 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); | |
1188 | |
1189 h->key.len = sizeof("Date") - 1; | |
1190 h->key.data = (u_char *) "Date"; | |
1191 h->value.len = 0; | |
1192 h->value.data = NULL; | |
1193 h->lowcase_key = (u_char *) "date"; | |
1194 } | |
1195 | |
509 | 1196 return NGX_OK; |
1197 } | |
1198 | |
521 | 1199 if (rc == NGX_AGAIN) { |
1200 return NGX_AGAIN; | |
1201 } | |
1202 | |
509 | 1203 /* there was error while a header line parsing */ |
1204 | |
1205 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
619 | 1206 "upstream sent invalid header"); |
509 | 1207 |
1208 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1209 } | |
507 | 1210 } |
1211 | |
1212 | |
1213 static void | |
1214 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
1215 { | |
1216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1217 "abort http proxy request"); | |
577 | 1218 |
507 | 1219 return; |
1220 } | |
1221 | |
1222 | |
1223 static void | |
1224 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
577 | 1225 { |
507 | 1226 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1227 "finalize http proxy request"); | |
1228 | |
1229 return; | |
1230 } | |
1231 | |
1232 | |
573 | 1233 static ngx_int_t |
1234 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
1235 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1236 { |
509 | 1237 ngx_http_proxy_loc_conf_t *plcf; |
507 | 1238 |
509 | 1239 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
507 | 1240 |
573 | 1241 v->len = plcf->host_header.len; |
577 | 1242 v->valid = 1; |
573 | 1243 v->no_cachable = 0; |
1244 v->not_found = 0; | |
1245 v->data = plcf->host_header.data; | |
507 | 1246 |
573 | 1247 return NGX_OK; |
507 | 1248 } |
1249 | |
1250 | |
573 | 1251 static ngx_int_t |
1252 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
1253 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1254 { |
1255 ngx_http_proxy_loc_conf_t *plcf; | |
1256 | |
1257 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
1258 | |
906 | 1259 v->len = plcf->port.len; |
577 | 1260 v->valid = 1; |
573 | 1261 v->no_cachable = 0; |
1262 v->not_found = 0; | |
906 | 1263 v->data = plcf->port.data; |
509 | 1264 |
573 | 1265 return NGX_OK; |
509 | 1266 } |
1267 | |
1268 | |
573 | 1269 static ngx_int_t |
509 | 1270 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
573 | 1271 ngx_http_variable_value_t *v, uintptr_t data) |
509 | 1272 { |
573 | 1273 u_char *p; |
509 | 1274 |
577 | 1275 v->valid = 1; |
573 | 1276 v->no_cachable = 0; |
1277 v->not_found = 0; | |
509 | 1278 |
1279 if (r->headers_in.x_forwarded_for == NULL) { | |
573 | 1280 v->len = r->connection->addr_text.len; |
1281 v->data = r->connection->addr_text.data; | |
1282 return NGX_OK; | |
509 | 1283 } |
1284 | |
573 | 1285 v->len = r->headers_in.x_forwarded_for->value.len |
1286 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
509 | 1287 |
573 | 1288 p = ngx_palloc(r->pool, v->len); |
509 | 1289 if (p == NULL) { |
573 | 1290 return NGX_ERROR; |
509 | 1291 } |
1292 | |
573 | 1293 v->data = p; |
509 | 1294 |
573 | 1295 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
1296 r->headers_in.x_forwarded_for->value.len); | |
509 | 1297 |
1298 *p++ = ','; *p++ = ' '; | |
1299 | |
1300 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
1301 | |
573 | 1302 return NGX_OK; |
509 | 1303 } |
1304 | |
1305 | |
1306 static ngx_int_t | |
577 | 1307 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
1308 ngx_http_variable_value_t *v, uintptr_t data) | |
1309 { | |
1310 ngx_http_proxy_ctx_t *p; | |
1311 | |
1312 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1313 | |
1314 if (p == NULL) { | |
1315 v->not_found = 1; | |
1316 return NGX_OK; | |
1317 } | |
1318 | |
1319 v->valid = 1; | |
1320 v->no_cachable = 0; | |
1321 v->not_found = 0; | |
1322 | |
1323 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN); | |
1324 | |
1325 if (v->data == NULL) { | |
1326 return NGX_ERROR; | |
1327 } | |
1328 | |
1329 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data; | |
1330 | |
1331 return NGX_OK; | |
1332 } | |
1333 | |
1334 | |
1335 static ngx_int_t | |
509 | 1336 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
1337 size_t prefix) | |
1338 { | |
1339 ngx_int_t rc; | |
1340 ngx_uint_t i; | |
1341 ngx_http_proxy_loc_conf_t *plcf; | |
1342 ngx_http_proxy_redirect_t *pr; | |
1343 | |
1344 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
1345 | |
1346 pr = plcf->redirects->elts; | |
1347 | |
1348 if (pr == NULL) { | |
1349 return NGX_DECLINED; | |
1350 } | |
1351 | |
1352 for (i = 0; i < plcf->redirects->nelts; i++) { | |
605 | 1353 rc = pr[i].handler(r, h, prefix, &pr[i]); |
509 | 1354 |
1355 if (rc != NGX_DECLINED) { | |
1356 return rc; | |
1357 } | |
1358 } | |
1359 | |
1360 return NGX_DECLINED; | |
1361 } | |
1362 | |
1363 | |
1364 static ngx_int_t | |
1365 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1366 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1367 { | |
1368 size_t len; | |
1369 u_char *data, *p; | |
1370 | |
1371 if (pr->redirect.len > h->value.len - prefix | |
1372 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1373 pr->redirect.len) != 0) | |
1374 { | |
1375 return NGX_DECLINED; | |
1376 } | |
1377 | |
1378 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
507 | 1379 |
509 | 1380 data = ngx_palloc(r->pool, len); |
1381 if (data == NULL) { | |
1382 return NGX_ERROR; | |
1383 } | |
1384 | |
1385 p = data; | |
1386 | |
573 | 1387 p = ngx_copy(p, h->value.data, prefix); |
509 | 1388 |
653 | 1389 if (pr->replacement.text.len) { |
1390 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
1391 } | |
509 | 1392 |
1393 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
1394 h->value.len - pr->redirect.len - prefix); | |
1395 | |
1396 h->value.len = len; | |
1397 h->value.data = data; | |
1398 | |
1399 return NGX_OK; | |
1400 } | |
1401 | |
1402 | |
1403 static ngx_int_t | |
1404 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1405 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1406 { | |
1407 size_t len; | |
1408 u_char *data, *p; | |
1409 ngx_http_script_code_pt code; | |
1410 ngx_http_script_engine_t e; | |
1411 ngx_http_script_len_code_pt lcode; | |
1412 | |
1413 if (pr->redirect.len > h->value.len - prefix | |
1414 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1415 pr->redirect.len) != 0) | |
1416 { | |
1417 return NGX_DECLINED; | |
1418 } | |
1419 | |
1420 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
1421 | |
1422 e.ip = pr->replacement.vars.lengths; | |
1423 e.request = r; | |
1424 | |
723
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1425 len = prefix + h->value.len - pr->redirect.len; |
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1426 |
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1427 while (*(uintptr_t *) e.ip) { |
509 | 1428 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
|
1429 len += lcode(&e); |
509 | 1430 } |
1431 | |
1432 data = ngx_palloc(r->pool, len); | |
1433 if (data == NULL) { | |
1434 return NGX_ERROR; | |
1435 } | |
1436 | |
1437 p = data; | |
1438 | |
573 | 1439 p = ngx_copy(p, h->value.data, prefix); |
509 | 1440 |
1441 e.ip = pr->replacement.vars.values; | |
1442 e.pos = p; | |
1443 | |
1444 while (*(uintptr_t *) e.ip) { | |
1445 code = *(ngx_http_script_code_pt *) e.ip; | |
1446 code(&e); | |
1447 } | |
1448 | |
723
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fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1449 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
|
1450 h->value.len - pr->redirect.len - prefix); |
ceb5ef29b119
fix proxy_redirect with variable
Igor Sysoev <igor@sysoev.ru>
parents:
673
diff
changeset
|
1451 |
509 | 1452 h->value.len = len; |
1453 h->value.data = data; | |
1454 | |
1455 return NGX_OK; | |
1456 } | |
1457 | |
1458 | |
1459 static ngx_int_t | |
1460 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
1461 { | |
1462 ngx_http_variable_t *var, *v; | |
1463 | |
1464 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
1465 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
1466 if (var == NULL) { | |
1467 return NGX_ERROR; | |
1468 } | |
1469 | |
637 | 1470 var->get_handler = v->get_handler; |
509 | 1471 var->data = v->data; |
1472 } | |
1473 | |
1474 return NGX_OK; | |
507 | 1475 } |
1476 | |
1477 | |
1478 static void * | |
1479 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
1480 { | |
1481 ngx_http_proxy_loc_conf_t *conf; | |
1482 | |
1483 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
1484 if (conf == NULL) { | |
1485 return NGX_CONF_ERROR; | |
1486 } | |
1487 | |
1488 /* | |
1489 * set by ngx_pcalloc(): | |
1490 * | |
1491 * conf->upstream.bufs.num = 0; | |
1492 * conf->upstream.next_upstream = 0; | |
1493 * conf->upstream.temp_path = NULL; | |
649 | 1494 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
1495 * conf->upstream.hide_headers = NULL; | |
1496 * conf->upstream.pass_headers = NULL; | |
509 | 1497 * conf->upstream.schema = { 0, NULL }; |
1498 * conf->upstream.uri = { 0, NULL }; | |
1499 * conf->upstream.location = NULL; | |
1500 * | |
561 | 1501 * conf->method = NULL; |
509 | 1502 * conf->headers_source = NULL; |
1503 * conf->headers_set_len = NULL; | |
1504 * conf->headers_set = NULL; | |
1505 * conf->headers_set_hash = NULL; | |
577 | 1506 * conf->body_set_len = NULL; |
1507 * conf->body_set = NULL; | |
1508 * conf->body_source = { 0, NULL }; | |
509 | 1509 * conf->rewrite_locations = NULL; |
507 | 1510 */ |
577 | 1511 |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1244
diff
changeset
|
1512 conf->upstream.store = NGX_CONF_UNSET_UINT; |
581 | 1513 conf->upstream.buffering = NGX_CONF_UNSET; |
629 | 1514 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
581 | 1515 |
507 | 1516 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
1517 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
1518 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
1519 | |
1520 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
581 | 1521 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
529 | 1522 |
1523 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
577 | 1524 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
529 | 1525 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
509 | 1526 |
1527 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
1528 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
561 | 1529 |
657 | 1530 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
507 | 1531 |
1532 /* "proxy_cyclic_temp_file" is disabled */ | |
1533 conf->upstream.cyclic_temp_file = 0; | |
1534 | |
509 | 1535 conf->redirect = NGX_CONF_UNSET; |
649 | 1536 conf->upstream.change_buffering = 1; |
507 | 1537 |
1180
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1538 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
1125
diff
changeset
|
1539 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
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proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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diff
changeset
|
1540 |
507 | 1541 return conf; |
1542 } | |
1543 | |
1544 | |
1545 static char * | |
1546 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
1547 { | |
1548 ngx_http_proxy_loc_conf_t *prev = parent; | |
1549 ngx_http_proxy_loc_conf_t *conf = child; | |
1550 | |
509 | 1551 u_char *p; |
1552 size_t size; | |
1553 uintptr_t *code; | |
649 | 1554 ngx_str_t *header; |
1555 ngx_uint_t i, j; | |
1556 ngx_array_t hide_headers; | |
1557 ngx_keyval_t *src, *s, *h; | |
1558 ngx_hash_key_t *hk; | |
1559 ngx_hash_init_t hash; | |
509 | 1560 ngx_http_proxy_redirect_t *pr; |
1561 ngx_http_script_compile_t sc; | |
1562 ngx_http_script_copy_code_t *copy; | |
1563 | |
1291
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1244
diff
changeset
|
1564 ngx_conf_merge_uint_value(conf->upstream.store, |
13a4ce6e7f1e
proxy_store and fastcgi_store
Igor Sysoev <igor@sysoev.ru>
parents:
1244
diff
changeset
|
1565 prev->upstream.store, 0); |
13a4ce6e7f1e
proxy_store and fastcgi_store
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1244
diff
changeset
|
1566 |
581 | 1567 ngx_conf_merge_value(conf->upstream.buffering, |
1568 prev->upstream.buffering, 1); | |
1569 | |
629 | 1570 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
1571 prev->upstream.ignore_client_abort, 0); | |
1572 | |
507 | 1573 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
1574 prev->upstream.connect_timeout, 60000); | |
1575 | |
1576 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
1577 prev->upstream.send_timeout, 60000); | |
1578 | |
1579 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
1580 prev->upstream.read_timeout, 60000); | |
1581 | |
1582 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
1583 prev->upstream.send_lowat, 0); | |
1584 | |
581 | 1585 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
1586 prev->upstream.buffer_size, | |
507 | 1587 (size_t) ngx_pagesize); |
1588 | |
1589 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
1590 8, ngx_pagesize); | |
1591 | |
1592 if (conf->upstream.bufs.num < 2) { | |
577 | 1593 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
507 | 1594 "there must be at least 2 \"proxy_buffers\""); |
1595 return NGX_CONF_ERROR; | |
1596 } | |
577 | 1597 |
507 | 1598 |
581 | 1599 size = conf->upstream.buffer_size; |
577 | 1600 if (size < conf->upstream.bufs.size) { |
507 | 1601 size = conf->upstream.bufs.size; |
1602 } | |
1603 | |
1604 | |
529 | 1605 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
1606 prev->upstream.busy_buffers_size_conf, | |
507 | 1607 NGX_CONF_UNSET_SIZE); |
1608 | |
529 | 1609 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1610 conf->upstream.busy_buffers_size = 2 * size; |
529 | 1611 } else { |
1612 conf->upstream.busy_buffers_size = | |
1613 conf->upstream.busy_buffers_size_conf; | |
1614 } | |
577 | 1615 |
529 | 1616 if (conf->upstream.busy_buffers_size < size) { |
507 | 1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1618 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
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diff
changeset
|
1619 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 1620 "one of the \"proxy_buffers\""); |
1621 | |
1622 return NGX_CONF_ERROR; | |
529 | 1623 } |
507 | 1624 |
529 | 1625 if (conf->upstream.busy_buffers_size |
1626 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
507 | 1627 { |
1628 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1629 "\"proxy_busy_buffers_size\" must be less than " | |
1630 "the size of all \"proxy_buffers\" minus one buffer"); | |
1631 | |
1632 return NGX_CONF_ERROR; | |
1633 } | |
529 | 1634 |
507 | 1635 |
529 | 1636 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
1637 prev->upstream.temp_file_write_size_conf, | |
507 | 1638 NGX_CONF_UNSET_SIZE); |
1639 | |
529 | 1640 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1641 conf->upstream.temp_file_write_size = 2 * size; |
529 | 1642 } else { |
1643 conf->upstream.temp_file_write_size = | |
1644 conf->upstream.temp_file_write_size_conf; | |
1645 } | |
577 | 1646 |
529 | 1647 if (conf->upstream.temp_file_write_size < size) { |
507 | 1648 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1649 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
1125
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Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
1650 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 1651 "one of the \"proxy_buffers\""); |
1652 | |
1653 return NGX_CONF_ERROR; | |
1654 } | |
1655 | |
529 | 1656 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
1657 prev->upstream.max_temp_file_size_conf, | |
507 | 1658 NGX_CONF_UNSET_SIZE); |
1659 | |
529 | 1660 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1661 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
529 | 1662 } else { |
1663 conf->upstream.max_temp_file_size = | |
1664 conf->upstream.max_temp_file_size_conf; | |
1665 } | |
507 | 1666 |
529 | 1667 if (conf->upstream.max_temp_file_size != 0 |
1668 && conf->upstream.max_temp_file_size < size) | |
507 | 1669 { |
1670 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
561 | 1671 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
507 | 1672 "the temporary files usage or must be equal or bigger than " |
1125
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Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
1673 "maximum of the value of \"proxy_buffer_size\" and " |
561 | 1674 "one of the \"proxy_buffers\""); |
507 | 1675 |
1676 return NGX_CONF_ERROR; | |
1677 } | |
1678 | |
529 | 1679 |
507 | 1680 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
1681 prev->upstream.next_upstream, | |
1682 (NGX_CONF_BITMASK_SET | |
1683 |NGX_HTTP_UPSTREAM_FT_ERROR | |
1684 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
1685 | |
665 | 1686 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
1687 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
1688 |NGX_HTTP_UPSTREAM_FT_OFF; | |
1689 } | |
1690 | |
509 | 1691 ngx_conf_merge_path_value(conf->upstream.temp_path, |
1692 prev->upstream.temp_path, | |
1693 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0, | |
1694 ngx_garbage_collector_temp_handler, cf); | |
507 | 1695 |
561 | 1696 if (conf->method.len == 0) { |
1697 conf->method = prev->method; | |
1698 | |
1699 } else { | |
1700 conf->method.data[conf->method.len] = ' '; | |
1701 conf->method.len++; | |
509 | 1702 } |
1703 | |
1704 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
1705 prev->upstream.pass_request_headers, 1); | |
1706 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
1707 prev->upstream.pass_request_body, 1); | |
1708 | |
657 | 1709 ngx_conf_merge_value(conf->upstream.intercept_errors, |
1710 prev->upstream.intercept_errors, 0); | |
509 | 1711 |
1712 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); | |
1713 | |
1714 if (conf->redirect) { | |
507 | 1715 |
509 | 1716 if (conf->redirects == NULL) { |
1717 conf->redirects = prev->redirects; | |
1718 } | |
1719 | |
1720 if (conf->redirects == NULL && conf->upstream.url.data) { | |
1721 | |
1722 conf->redirects = ngx_array_create(cf->pool, 1, | |
1723 sizeof(ngx_http_proxy_redirect_t)); | |
1724 if (conf->redirects == NULL) { | |
1725 return NGX_CONF_ERROR; | |
1726 } | |
1727 | |
1728 pr = ngx_array_push(conf->redirects); | |
1729 if (pr == NULL) { | |
1730 return NGX_CONF_ERROR; | |
1731 } | |
1732 | |
1733 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
1734 pr->redirect = conf->upstream.url; | |
653 | 1735 |
1736 if (conf->upstream.uri.len) { | |
1737 pr->replacement.text = conf->upstream.location; | |
1738 | |
1739 } else { | |
1740 pr->replacement.text.len = 0; | |
1741 pr->replacement.text.data = NULL; | |
1742 } | |
509 | 1743 } |
1744 } | |
1745 | |
1180
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1746 ngx_conf_merge_uint_value(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
|
1747 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
|
1748 |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1749 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
|
1750 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
|
1751 |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
1752 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
|
1753 ngx_cacheline_size); |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
1125
diff
changeset
|
1754 |
649 | 1755 if (conf->upstream.hide_headers == NULL |
1756 && conf->upstream.pass_headers == NULL) | |
1757 { | |
1758 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
1759 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
1760 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash; | |
1761 | |
1762 if (conf->upstream.hide_headers_hash.buckets) { | |
1763 goto peers; | |
1764 } | |
1765 | |
1766 } else { | |
1767 if (conf->upstream.hide_headers == NULL) { | |
1768 conf->upstream.hide_headers = prev->upstream.hide_headers; | |
1769 } | |
1770 | |
1771 if (conf->upstream.pass_headers == NULL) { | |
1772 conf->upstream.pass_headers = prev->upstream.pass_headers; | |
1773 } | |
1774 } | |
1775 | |
1776 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
1777 != NGX_OK) | |
1778 { | |
1779 return NGX_CONF_ERROR; | |
1780 } | |
1781 | |
1782 for (header = ngx_http_proxy_hide_headers; header->len; header++) { | |
1783 hk = ngx_array_push(&hide_headers); | |
1784 if (hk == NULL) { | |
1785 return NGX_CONF_ERROR; | |
1786 } | |
1787 | |
1788 hk->key = *header; | |
1789 hk->key_hash = ngx_hash_key_lc(header->data, header->len); | |
1790 hk->value = (void *) 1; | |
1791 } | |
1792 | |
1793 if (conf->upstream.hide_headers) { | |
1794 | |
1795 header = conf->upstream.hide_headers->elts; | |
1796 | |
1797 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) { | |
1798 | |
1799 hk = hide_headers.elts; | |
1800 | |
1801 for (j = 0; j < hide_headers.nelts; j++) { | |
1802 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
1803 goto exist; | |
1804 } | |
1805 } | |
1806 | |
1807 hk = ngx_array_push(&hide_headers); | |
1808 if (hk == NULL) { | |
1809 return NGX_CONF_ERROR; | |
1810 } | |
1811 | |
1812 hk->key = header[i]; | |
1813 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len); | |
1814 hk->value = (void *) 1; | |
1815 | |
1816 exist: | |
1817 | |
1818 continue; | |
1819 } | |
1820 } | |
1821 | |
1822 if (conf->upstream.pass_headers) { | |
1823 | |
1824 hk = hide_headers.elts; | |
1825 header = conf->upstream.pass_headers->elts; | |
1826 | |
1827 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) { | |
1828 for (j = 0; j < hide_headers.nelts; j++) { | |
1829 | |
1830 if (hk[j].key.data == NULL) { | |
1831 continue; | |
1832 } | |
1833 | |
1834 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) { | |
1835 hk[j].key.data = NULL; | |
1836 break; | |
1837 } | |
1838 } | |
1839 } | |
1840 } | |
1841 | |
1842 hash.hash = &conf->upstream.hide_headers_hash; | |
1843 hash.key = ngx_hash_key_lc; | |
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parents:
1125
diff
changeset
|
1844 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
|
1845 hash.bucket_size = conf->headers_hash_bucket_size; |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
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parents:
1125
diff
changeset
|
1846 hash.name = "proxy_headers_hash"; |
649 | 1847 hash.pool = cf->pool; |
1848 hash.temp_pool = NULL; | |
1849 | |
1850 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) { | |
1851 return NGX_CONF_ERROR; | |
1852 } | |
1853 | |
1854 peers: | |
507 | 1855 |
884 | 1856 if (conf->upstream.upstream == NULL) { |
1857 conf->upstream.upstream = prev->upstream.upstream; | |
629 | 1858 |
1859 conf->host_header = prev->host_header; | |
906 | 1860 conf->port = prev->port; |
629 | 1861 conf->upstream.schema = prev->upstream.schema; |
507 | 1862 } |
1863 | |
577 | 1864 |
1865 if (conf->body_source.data == NULL) { | |
1866 conf->body_source = prev->body_source; | |
1867 conf->body_set_len = prev->body_set_len; | |
1868 conf->body_set = prev->body_set; | |
1869 } | |
1870 | |
579 | 1871 if (conf->body_source.data && conf->body_set_len == NULL) { |
577 | 1872 |
1873 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1874 | |
1875 sc.cf = cf; | |
1876 sc.source = &conf->body_source; | |
1877 sc.flushes = &conf->flushes; | |
1878 sc.lengths = &conf->body_set_len; | |
1879 sc.values = &conf->body_set; | |
1880 sc.complete_lengths = 1; | |
1881 sc.complete_values = 1; | |
1882 | |
1883 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1884 return NGX_CONF_ERROR; | |
1885 } | |
1886 | |
1887 if (conf->headers_source == NULL) { | |
1888 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 1889 sizeof(ngx_keyval_t)); |
577 | 1890 if (conf->headers_source == NULL) { |
1891 return NGX_CONF_ERROR; | |
1892 } | |
1893 } | |
1894 | |
1895 s = ngx_array_push(conf->headers_source); | |
1896 if (s == NULL) { | |
1897 return NGX_CONF_ERROR; | |
1898 } | |
1899 | |
1900 s->key.len = sizeof("Content-Length") - 1; | |
1901 s->key.data = (u_char *) "Content-Length"; | |
1902 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
1903 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
1904 } | |
1905 | |
1906 | |
509 | 1907 if (conf->headers_source == NULL) { |
573 | 1908 conf->flushes = prev->flushes; |
507 | 1909 conf->headers_set_len = prev->headers_set_len; |
1910 conf->headers_set = prev->headers_set; | |
1911 conf->headers_set_hash = prev->headers_set_hash; | |
573 | 1912 conf->headers_source = prev->headers_source; |
507 | 1913 } |
1914 | |
649 | 1915 if (conf->headers_set_hash.buckets) { |
509 | 1916 return NGX_CONF_OK; |
1917 } | |
1918 | |
1919 | |
649 | 1920 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
509 | 1921 if (conf->headers_names == NULL) { |
1922 return NGX_CONF_ERROR; | |
1923 } | |
1924 | |
1925 if (conf->headers_source == NULL) { | |
1926 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 1927 sizeof(ngx_keyval_t)); |
509 | 1928 if (conf->headers_source == NULL) { |
1929 return NGX_CONF_ERROR; | |
1930 } | |
1931 } | |
507 | 1932 |
509 | 1933 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
1934 if (conf->headers_set_len == NULL) { | |
1935 return NGX_CONF_ERROR; | |
1936 } | |
1937 | |
1938 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
1939 if (conf->headers_set == NULL) { | |
1940 return NGX_CONF_ERROR; | |
1941 } | |
1942 | |
1943 | |
1944 src = conf->headers_source->elts; | |
1945 | |
1946 for (h = ngx_http_proxy_headers; h->key.len; h++) { | |
1947 | |
1948 for (i = 0; i < conf->headers_source->nelts; i++) { | |
1949 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
1950 goto next; | |
507 | 1951 } |
1952 } | |
1953 | |
509 | 1954 s = ngx_array_push(conf->headers_source); |
1955 if (s == NULL) { | |
507 | 1956 return NGX_CONF_ERROR; |
1957 } | |
1958 | |
509 | 1959 *s = *h; |
507 | 1960 |
517 | 1961 src = conf->headers_source->elts; |
1962 | |
509 | 1963 next: |
507 | 1964 |
509 | 1965 continue; |
1966 } | |
507 | 1967 |
577 | 1968 |
1969 src = conf->headers_source->elts; | |
509 | 1970 for (i = 0; i < conf->headers_source->nelts; i++) { |
507 | 1971 |
649 | 1972 hk = ngx_array_push(conf->headers_names); |
1973 if (hk == NULL) { | |
507 | 1974 return NGX_CONF_ERROR; |
1975 } | |
1976 | |
649 | 1977 hk->key = src[i].key; |
1978 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
1979 hk->value = (void *) 1; | |
509 | 1980 |
519 | 1981 if (src[i].value.len == 0) { |
1982 continue; | |
1983 } | |
1984 | |
509 | 1985 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
1986 copy = ngx_array_push_n(conf->headers_set_len, | |
1987 sizeof(ngx_http_script_copy_code_t)); | |
1988 if (copy == NULL) { | |
1989 return NGX_CONF_ERROR; | |
1990 } | |
1991 | |
1992 copy->code = (ngx_http_script_code_pt) | |
1993 ngx_http_script_copy_len_code; | |
1994 copy->len = src[i].key.len + sizeof(": ") - 1 | |
1995 + src[i].value.len + sizeof(CRLF) - 1; | |
507 | 1996 |
1997 | |
509 | 1998 size = (sizeof(ngx_http_script_copy_code_t) |
1999 + src[i].key.len + sizeof(": ") - 1 | |
2000 + src[i].value.len + sizeof(CRLF) - 1 | |
2001 + sizeof(uintptr_t) - 1) | |
2002 & ~(sizeof(uintptr_t) - 1); | |
2003 | |
2004 copy = ngx_array_push_n(conf->headers_set, size); | |
2005 if (copy == NULL) { | |
2006 return NGX_CONF_ERROR; | |
2007 } | |
2008 | |
2009 copy->code = ngx_http_script_copy_code; | |
2010 copy->len = src[i].key.len + sizeof(": ") - 1 | |
2011 + src[i].value.len + sizeof(CRLF) - 1; | |
2012 | |
2013 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2014 | |
2015 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2016 *p++ = ':'; *p++ = ' '; | |
2017 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
2018 *p++ = CR; *p = LF; | |
2019 | |
2020 } else { | |
2021 copy = ngx_array_push_n(conf->headers_set_len, | |
2022 sizeof(ngx_http_script_copy_code_t)); | |
2023 if (copy == NULL) { | |
2024 return NGX_CONF_ERROR; | |
2025 } | |
2026 | |
2027 copy->code = (ngx_http_script_code_pt) | |
2028 ngx_http_script_copy_len_code; | |
2029 copy->len = src[i].key.len + sizeof(": ") - 1; | |
507 | 2030 |
2031 | |
509 | 2032 size = (sizeof(ngx_http_script_copy_code_t) |
2033 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
2034 & ~(sizeof(uintptr_t) - 1); | |
2035 | |
2036 copy = ngx_array_push_n(conf->headers_set, size); | |
2037 if (copy == NULL) { | |
2038 return NGX_CONF_ERROR; | |
2039 } | |
2040 | |
2041 copy->code = ngx_http_script_copy_code; | |
2042 copy->len = src[i].key.len + sizeof(": ") - 1; | |
2043 | |
2044 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2045 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2046 *p++ = ':'; *p = ' '; | |
2047 | |
2048 | |
2049 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2050 | |
2051 sc.cf = cf; | |
2052 sc.source = &src[i].value; | |
573 | 2053 sc.flushes = &conf->flushes; |
509 | 2054 sc.lengths = &conf->headers_set_len; |
2055 sc.values = &conf->headers_set; | |
2056 | |
2057 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2058 return NGX_CONF_ERROR; | |
2059 } | |
2060 | |
2061 | |
2062 copy = ngx_array_push_n(conf->headers_set_len, | |
2063 sizeof(ngx_http_script_copy_code_t)); | |
2064 if (copy == NULL) { | |
2065 return NGX_CONF_ERROR; | |
2066 } | |
2067 | |
2068 copy->code = (ngx_http_script_code_pt) | |
2069 ngx_http_script_copy_len_code; | |
2070 copy->len = sizeof(CRLF) - 1; | |
2071 | |
2072 | |
2073 size = (sizeof(ngx_http_script_copy_code_t) | |
2074 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
2075 & ~(sizeof(uintptr_t) - 1); | |
2076 | |
2077 copy = ngx_array_push_n(conf->headers_set, size); | |
2078 if (copy == NULL) { | |
2079 return NGX_CONF_ERROR; | |
2080 } | |
2081 | |
2082 copy->code = ngx_http_script_copy_code; | |
2083 copy->len = sizeof(CRLF) - 1; | |
2084 | |
2085 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2086 *p++ = CR; *p = LF; | |
507 | 2087 } |
2088 | |
509 | 2089 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2090 if (code == NULL) { | |
507 | 2091 return NGX_CONF_ERROR; |
2092 } | |
2093 | |
509 | 2094 *code = (uintptr_t) NULL; |
2095 | |
2096 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
2097 if (code == NULL) { | |
2098 return NGX_CONF_ERROR; | |
2099 } | |
2100 | |
2101 *code = (uintptr_t) NULL; | |
507 | 2102 } |
2103 | |
509 | 2104 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2105 if (code == NULL) { | |
2106 return NGX_CONF_ERROR; | |
507 | 2107 } |
2108 | |
509 | 2109 *code = (uintptr_t) NULL; |
507 | 2110 |
2111 | |
649 | 2112 hash.hash = &conf->headers_set_hash; |
2113 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
|
2114 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
|
2115 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
|
2116 hash.name = "proxy_headers_hash"; |
649 | 2117 hash.pool = cf->pool; |
2118 hash.temp_pool = NULL; | |
2119 | |
2120 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
2121 conf->headers_names->nelts) | |
2122 != NGX_OK) | |
2123 { | |
2124 return NGX_CONF_ERROR; | |
2125 } | |
2126 | |
509 | 2127 return NGX_CONF_OK; |
507 | 2128 } |
2129 | |
2130 | |
2131 static char * | |
2132 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2133 { | |
509 | 2134 ngx_http_proxy_loc_conf_t *plcf = conf; |
507 | 2135 |
1244 | 2136 u_char *p; |
2137 size_t add; | |
2138 u_short port; | |
2139 ngx_str_t *value, *url; | |
2140 ngx_url_t u; | |
2141 ngx_http_core_loc_conf_t *clcf; | |
577 | 2142 #if (NGX_HTTP_SSL) |
1244 | 2143 ngx_pool_cleanup_t *cln; |
577 | 2144 #endif |
507 | 2145 |
555 | 2146 if (plcf->upstream.schema.len) { |
2147 return "is duplicate"; | |
2148 } | |
2149 | |
507 | 2150 value = cf->args->elts; |
2151 | |
2152 url = &value[1]; | |
2153 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2154 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
577 | 2155 add = 7; |
591 | 2156 port = 80; |
577 | 2157 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2158 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
577 | 2159 |
2160 #if (NGX_HTTP_SSL) | |
2161 | |
2162 add = 8; | |
591 | 2163 port = 443; |
577 | 2164 |
2165 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
2166 if (plcf->upstream.ssl == NULL) { | |
2167 return NGX_CONF_ERROR; | |
2168 } | |
2169 | |
2170 plcf->upstream.ssl->log = cf->log; | |
2171 | |
2172 if (ngx_ssl_create(plcf->upstream.ssl, | |
969 | 2173 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) |
577 | 2174 != NGX_OK) |
2175 { | |
2176 return NGX_CONF_ERROR; | |
2177 } | |
2178 | |
2179 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
2180 if (cln == NULL) { | |
2181 return NGX_CONF_ERROR; | |
2182 } | |
2183 | |
2184 cln->handler = ngx_ssl_cleanup_ctx; | |
2185 cln->data = plcf->upstream.ssl; | |
2186 | |
2187 #else | |
2188 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2189 "https protocol requires SSL support"); | |
2190 return NGX_CONF_ERROR; | |
2191 #endif | |
2192 | |
2193 } else { | |
507 | 2194 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
2195 return NGX_CONF_ERROR; | |
2196 } | |
2197 | |
651 | 2198 ngx_memzero(&u, sizeof(ngx_url_t)); |
2199 | |
2200 u.url.len = url->len - add; | |
2201 u.url.data = url->data + add; | |
906 | 2202 u.default_port = port; |
2203 u.uri_part = 1; | |
884 | 2204 u.no_resolve = 1; |
2205 | |
2206 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
2207 if (plcf->upstream.upstream == NULL) { | |
507 | 2208 return NGX_CONF_ERROR; |
2209 } | |
2210 | |
906 | 2211 if (!u.unix_socket) { |
2212 if (u.no_port || u.port == port) { | |
2213 plcf->host_header = u.host; | |
2214 | |
2215 if (port == 80) { | |
2216 plcf->port.len = sizeof("80") - 1; | |
2217 plcf->port.data = (u_char *) "80"; | |
2218 } else { | |
2219 plcf->port.len = sizeof("443") - 1; | |
2220 plcf->port.data = (u_char *) "443"; | |
2221 } | |
2222 | |
2223 } else { | |
2224 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1); | |
2225 if (p == NULL) { | |
2226 return NGX_CONF_ERROR; | |
2227 } | |
2228 | |
2229 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port) | |
2230 - p; | |
2231 plcf->host_header.data = p; | |
2232 | |
2233 plcf->port.len = plcf->host_header.len - u.host.len - 1; | |
2234 plcf->port.data = p + u.host.len + 1; | |
2235 } | |
2236 | |
2237 | |
2238 } else { | |
2239 plcf->host_header.len = sizeof("localhost") - 1; | |
2240 plcf->host_header.data = (u_char *) "localhost"; | |
2241 plcf->port.len = 0; | |
2242 plcf->port.data = (u_char *) ""; | |
2243 } | |
2244 | |
651 | 2245 plcf->upstream.uri = u.uri; |
2246 | |
591 | 2247 plcf->upstream.schema.len = add; |
2248 plcf->upstream.schema.data = url->data; | |
509 | 2249 |
507 | 2250 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
2251 | |
2252 clcf->handler = ngx_http_proxy_handler; | |
2253 | |
573 | 2254 plcf->upstream.location = clcf->name; |
555 | 2255 |
507 | 2256 #if (NGX_PCRE) |
555 | 2257 |
629 | 2258 if (clcf->regex || clcf->noname) { |
573 | 2259 if (plcf->upstream.uri.len) { |
2260 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2261 "\"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
|
2262 "location given by regular expression, " |
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2263 "or inside the \"if\" statement, " |
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2264 "or inside the \"limit_except\" block"); |
573 | 2265 return NGX_CONF_ERROR; |
2266 } | |
2267 | |
2268 plcf->upstream.location.len = 0; | |
555 | 2269 } |
2270 | |
507 | 2271 #endif |
2272 | |
509 | 2273 plcf->upstream.url = *url; |
2274 | |
507 | 2275 if (clcf->name.data[clcf->name.len - 1] == '/') { |
2276 clcf->auto_redirect = 1; | |
2277 } | |
2278 | |
2279 return NGX_CONF_OK; | |
2280 } | |
2281 | |
2282 | |
2283 static char * | |
509 | 2284 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
507 | 2285 { |
509 | 2286 ngx_http_proxy_loc_conf_t *plcf = conf; |
2287 | |
2288 ngx_str_t *value; | |
2289 ngx_array_t *vars_lengths, *vars_values; | |
2290 ngx_http_script_compile_t sc; | |
2291 ngx_http_proxy_redirect_t *pr; | |
2292 | |
2293 if (plcf->redirect == 0) { | |
2294 return NGX_CONF_OK; | |
2295 } | |
2296 | |
2297 value = cf->args->elts; | |
2298 | |
2299 if (ngx_strcmp(value[1].data, "off") == 0) { | |
2300 plcf->redirect = 0; | |
2301 plcf->redirects = NULL; | |
2302 return NGX_CONF_OK; | |
2303 } | |
2304 | |
2305 if (plcf->redirects == NULL) { | |
2306 plcf->redirects = ngx_array_create(cf->pool, 1, | |
2307 sizeof(ngx_http_proxy_redirect_t)); | |
2308 if (plcf->redirects == NULL) { | |
2309 return NGX_CONF_ERROR; | |
2310 } | |
2311 } | |
2312 | |
2313 pr = ngx_array_push(plcf->redirects); | |
2314 if (pr == NULL) { | |
2315 return NGX_CONF_ERROR; | |
2316 } | |
2317 | |
2318 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
2319 if (plcf->upstream.url.data == NULL) { | |
2320 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2321 "\"proxy_rewrite_location default\" must go " | |
2322 "after the \"proxy_pass\" directive"); | |
2323 return NGX_CONF_ERROR; | |
2324 } | |
2325 | |
2326 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
2327 pr->redirect = plcf->upstream.url; | |
653 | 2328 |
2329 if (plcf->upstream.uri.len) { | |
2330 pr->replacement.text = plcf->upstream.location; | |
2331 | |
2332 } else { | |
2333 pr->replacement.text.len = 0; | |
2334 pr->replacement.text.data = NULL; | |
2335 } | |
509 | 2336 |
2337 return NGX_CONF_OK; | |
2338 } | |
2339 | |
2340 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
2341 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
2342 pr->redirect = value[1]; | |
2343 pr->replacement.text = value[2]; | |
2344 | |
2345 return NGX_CONF_OK; | |
2346 } | |
2347 | |
2348 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2349 | |
2350 vars_lengths = NULL; | |
2351 vars_values = NULL; | |
2352 | |
2353 sc.cf = cf; | |
2354 sc.source = &value[2]; | |
2355 sc.lengths = &vars_lengths; | |
2356 sc.values = &vars_values; | |
2357 sc.complete_lengths = 1; | |
2358 sc.complete_values = 1; | |
2359 | |
2360 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2361 return NGX_CONF_ERROR; | |
2362 } | |
2363 | |
2364 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
2365 pr->redirect = value[1]; | |
2366 pr->replacement.vars.lengths = vars_lengths->elts; | |
2367 pr->replacement.vars.values = vars_values->elts; | |
2368 | |
507 | 2369 return NGX_CONF_OK; |
2370 } | |
2371 | |
2372 | |
2373 static char * | |
2374 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) | |
2375 { | |
2376 #if (NGX_FREEBSD) | |
2377 ssize_t *np = data; | |
2378 | |
673 | 2379 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
507 | 2380 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2381 "\"proxy_send_lowat\" must be less than %d " | |
2382 "(sysctl net.inet.tcp.sendspace)", | |
2383 ngx_freebsd_net_inet_tcp_sendspace); | |
2384 | |
2385 return NGX_CONF_ERROR; | |
2386 } | |
2387 | |
2388 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
2389 ssize_t *np = data; | |
2390 | |
2391 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
2392 "\"proxy_send_lowat\" is not supported, ignored"); | |
2393 | |
2394 *np = 0; | |
2395 | |
2396 #endif | |
2397 | |
2398 return NGX_CONF_OK; | |
2399 } | |
884 | 2400 |
2401 | |
2402 static char * | |
2403 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
2404 ngx_command_t *cmd, void *conf) | |
2405 { | |
2406 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2407 "\"proxy_upstream_max_fails\" is not supported, " | |
2408 "use the \"max_fails\" parameter of the \"server\" directive ", | |
2409 "inside the \"upstream\" block"); | |
2410 | |
2411 return NGX_CONF_ERROR; | |
2412 } | |
2413 | |
2414 | |
2415 static char * | |
2416 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
2417 ngx_command_t *cmd, void *conf) | |
2418 { | |
2419 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2420 "\"proxy_upstream_fail_timeout\" is not supported, " | |
2421 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
2422 "inside the \"upstream\" block"); | |
2423 | |
2424 return NGX_CONF_ERROR; | |
2425 } |