Mercurial > hg > nginx
annotate src/http/modules/ngx_http_proxy_module.c @ 2672:b212066acf50
proxy_cache_key
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 06 Apr 2009 08:58:44 +0000 |
parents | 377698b60999 |
children | d040c3786239 |
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_http.h> | |
10 | |
11 | |
509 | 12 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t; |
13 | |
14 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r, | |
15 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr); | |
507 | 16 |
509 | 17 struct ngx_http_proxy_redirect_s { |
651 | 18 ngx_http_proxy_redirect_pt handler; |
19 ngx_str_t redirect; | |
507 | 20 |
509 | 21 union { |
651 | 22 ngx_str_t text; |
509 | 23 |
24 struct { | |
651 | 25 void *lengths; |
26 void *values; | |
509 | 27 } vars; |
507 | 28 |
651 | 29 void *regex; |
509 | 30 } replacement; |
31 }; | |
32 | |
33 | |
34 typedef struct { | |
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35 ngx_str_t key_start; |
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36 ngx_str_t schema; |
1658 | 37 ngx_str_t host_header; |
38 ngx_str_t port; | |
39 ngx_str_t uri; | |
40 } ngx_http_proxy_vars_t; | |
41 | |
42 | |
43 typedef struct { | |
651 | 44 ngx_http_upstream_conf_t upstream; |
45 | |
46 ngx_array_t *flushes; | |
47 ngx_array_t *body_set_len; | |
48 ngx_array_t *body_set; | |
49 ngx_array_t *headers_set_len; | |
50 ngx_array_t *headers_set; | |
51 ngx_hash_t headers_set_hash; | |
52 | |
53 ngx_array_t *headers_source; | |
54 ngx_array_t *headers_names; | |
55 | |
1658 | 56 ngx_array_t *proxy_lengths; |
57 ngx_array_t *proxy_values; | |
58 | |
651 | 59 ngx_array_t *redirects; |
60 | |
61 ngx_str_t body_source; | |
62 | |
63 ngx_str_t method; | |
1658 | 64 ngx_str_t location; |
65 ngx_str_t url; | |
66 | |
2672 | 67 #if (NGX_HTTP_CACHE) |
68 ngx_http_complex_value_t cache_key; | |
69 #endif | |
70 | |
1658 | 71 ngx_http_proxy_vars_t vars; |
651 | 72 |
73 ngx_flag_t redirect; | |
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74 |
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75 ngx_uint_t headers_hash_max_size; |
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76 ngx_uint_t headers_hash_bucket_size; |
507 | 77 } ngx_http_proxy_loc_conf_t; |
78 | |
79 | |
80 typedef struct { | |
651 | 81 ngx_uint_t status; |
82 ngx_uint_t status_count; | |
83 u_char *status_start; | |
84 u_char *status_end; | |
85 | |
1658 | 86 ngx_http_proxy_vars_t vars; |
87 | |
651 | 88 size_t internal_body_length; |
509 | 89 } ngx_http_proxy_ctx_t; |
507 | 90 |
91 | |
509 | 92 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20 |
507 | 93 |
94 | |
1658 | 95 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r, |
96 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf); | |
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97 #if (NGX_HTTP_CACHE) |
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98 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r); |
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99 #endif |
507 | 100 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); |
101 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); | |
509 | 102 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); |
103 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r, | |
1658 | 104 ngx_http_proxy_ctx_t *ctx); |
507 | 105 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); |
106 static void ngx_http_proxy_abort_request(ngx_http_request_t *r); | |
107 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, | |
108 ngx_int_t rc); | |
109 | |
573 | 110 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, |
111 ngx_http_variable_value_t *v, uintptr_t data); | |
112 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
113 ngx_http_variable_value_t *v, uintptr_t data); | |
114 static ngx_int_t | |
509 | 115 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
573 | 116 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 117 static ngx_int_t |
118 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, | |
119 ngx_http_variable_value_t *v, uintptr_t data); | |
509 | 120 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, |
121 ngx_table_elt_t *h, size_t prefix); | |
507 | 122 |
509 | 123 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); |
507 | 124 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); |
125 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, | |
126 void *parent, void *child); | |
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127 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf, |
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128 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev); |
507 | 129 |
130 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
131 void *conf); | |
509 | 132 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, |
133 void *conf); | |
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134 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, |
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135 void *conf); |
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136 #if (NGX_HTTP_CACHE) |
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137 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
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138 void *conf); |
2672 | 139 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, |
140 void *conf); | |
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141 #endif |
507 | 142 |
143 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); | |
144 | |
884 | 145 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, |
146 ngx_command_t *cmd, void *conf); | |
147 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
148 ngx_command_t *cmd, void *conf); | |
149 | |
1658 | 150 #if (NGX_HTTP_SSL) |
151 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf, | |
152 ngx_http_proxy_loc_conf_t *plcf); | |
153 #endif | |
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154 static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v); |
1658 | 155 |
509 | 156 |
507 | 157 static ngx_conf_post_t ngx_http_proxy_lowat_post = |
509 | 158 { ngx_http_proxy_lowat_check }; |
159 | |
507 | 160 |
161 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { | |
162 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
163 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
164 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
165 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
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166 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
623 | 167 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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168 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
507 | 169 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
665 | 170 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
507 | 171 { ngx_null_string, 0 } |
172 }; | |
173 | |
174 | |
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175 ngx_module_t ngx_http_proxy_module; |
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176 |
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177 |
507 | 178 static ngx_command_t ngx_http_proxy_commands[] = { |
179 | |
180 { ngx_string("proxy_pass"), | |
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181 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
507 | 182 ngx_http_proxy_pass, |
183 NGX_HTTP_LOC_CONF_OFFSET, | |
184 0, | |
185 NULL }, | |
186 | |
509 | 187 { ngx_string("proxy_redirect"), |
188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
189 ngx_http_proxy_redirect, | |
190 NGX_HTTP_LOC_CONF_OFFSET, | |
191 0, | |
192 NULL }, | |
193 | |
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194 { ngx_string("proxy_store"), |
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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196 ngx_http_proxy_store, |
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197 NGX_HTTP_LOC_CONF_OFFSET, |
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198 0, |
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199 NULL }, |
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200 |
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201 { ngx_string("proxy_store_access"), |
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202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
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203 ngx_conf_set_access_slot, |
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204 NGX_HTTP_LOC_CONF_OFFSET, |
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205 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), |
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206 NULL }, |
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207 |
581 | 208 { ngx_string("proxy_buffering"), |
209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
210 ngx_conf_set_flag_slot, | |
211 NGX_HTTP_LOC_CONF_OFFSET, | |
212 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), | |
213 NULL }, | |
214 | |
629 | 215 { ngx_string("proxy_ignore_client_abort"), |
216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
217 ngx_conf_set_flag_slot, | |
218 NGX_HTTP_LOC_CONF_OFFSET, | |
219 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
220 NULL }, | |
221 | |
507 | 222 { ngx_string("proxy_connect_timeout"), |
223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
224 ngx_conf_set_msec_slot, | |
225 NGX_HTTP_LOC_CONF_OFFSET, | |
226 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), | |
227 NULL }, | |
228 | |
229 { ngx_string("proxy_send_timeout"), | |
230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
231 ngx_conf_set_msec_slot, | |
232 NGX_HTTP_LOC_CONF_OFFSET, | |
233 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
234 NULL }, | |
235 | |
236 { ngx_string("proxy_send_lowat"), | |
237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
238 ngx_conf_set_size_slot, | |
239 NGX_HTTP_LOC_CONF_OFFSET, | |
240 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
241 &ngx_http_proxy_lowat_post }, | |
242 | |
657 | 243 { ngx_string("proxy_intercept_errors"), |
244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
245 ngx_conf_set_flag_slot, | |
246 NGX_HTTP_LOC_CONF_OFFSET, | |
247 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), | |
248 NULL }, | |
249 | |
509 | 250 { ngx_string("proxy_set_header"), |
251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
649 | 252 ngx_conf_set_keyval_slot, |
507 | 253 NGX_HTTP_LOC_CONF_OFFSET, |
509 | 254 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
507 | 255 NULL }, |
256 | |
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257 { ngx_string("proxy_headers_hash_max_size"), |
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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259 ngx_conf_set_num_slot, |
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260 NGX_HTTP_LOC_CONF_OFFSET, |
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261 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
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262 NULL }, |
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263 |
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264 { ngx_string("proxy_headers_hash_bucket_size"), |
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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266 ngx_conf_set_num_slot, |
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267 NGX_HTTP_LOC_CONF_OFFSET, |
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268 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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269 NULL }, |
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270 |
577 | 271 { ngx_string("proxy_set_body"), |
272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
273 ngx_conf_set_str_slot, | |
274 NGX_HTTP_LOC_CONF_OFFSET, | |
275 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
276 NULL }, | |
277 | |
509 | 278 { ngx_string("proxy_method"), |
279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
561 | 280 ngx_conf_set_str_slot, |
509 | 281 NGX_HTTP_LOC_CONF_OFFSET, |
561 | 282 offsetof(ngx_http_proxy_loc_conf_t, method), |
283 NULL }, | |
509 | 284 |
285 { ngx_string("proxy_pass_request_headers"), | |
507 | 286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
287 ngx_conf_set_flag_slot, | |
288 NGX_HTTP_LOC_CONF_OFFSET, | |
509 | 289 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
507 | 290 NULL }, |
291 | |
509 | 292 { ngx_string("proxy_pass_request_body"), |
507 | 293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
294 ngx_conf_set_flag_slot, | |
295 NGX_HTTP_LOC_CONF_OFFSET, | |
509 | 296 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
507 | 297 NULL }, |
298 | |
581 | 299 { ngx_string("proxy_buffer_size"), |
300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
301 ngx_conf_set_size_slot, | |
302 NGX_HTTP_LOC_CONF_OFFSET, | |
303 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
304 NULL }, | |
305 | |
507 | 306 { ngx_string("proxy_read_timeout"), |
307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
308 ngx_conf_set_msec_slot, | |
309 NGX_HTTP_LOC_CONF_OFFSET, | |
310 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
311 NULL }, | |
312 | |
313 { ngx_string("proxy_buffers"), | |
314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
315 ngx_conf_set_bufs_slot, | |
316 NGX_HTTP_LOC_CONF_OFFSET, | |
317 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
318 NULL }, | |
319 | |
320 { ngx_string("proxy_busy_buffers_size"), | |
321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
322 ngx_conf_set_size_slot, | |
323 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 324 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
507 | 325 NULL }, |
326 | |
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327 #if (NGX_HTTP_CACHE) |
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328 |
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329 { ngx_string("proxy_cache"), |
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330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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331 ngx_http_proxy_cache, |
2597 | 332 NGX_HTTP_LOC_CONF_OFFSET, |
2596 | 333 0, |
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334 NULL }, |
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335 |
2672 | 336 { ngx_string("proxy_cache_key"), |
337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
338 ngx_http_proxy_cache_key, | |
339 NGX_HTTP_LOC_CONF_OFFSET, | |
340 0, | |
341 NULL }, | |
342 | |
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343 { ngx_string("proxy_cache_path"), |
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344 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, |
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345 ngx_http_file_cache_set_slot, |
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346 0, |
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347 0, |
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348 &ngx_http_proxy_module }, |
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349 |
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350 { ngx_string("proxy_cache_valid"), |
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351 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
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352 ngx_http_file_cache_valid_set_slot, |
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353 NGX_HTTP_LOC_CONF_OFFSET, |
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354 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid), |
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355 NULL }, |
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356 |
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357 { ngx_string("proxy_cache_min_uses"), |
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358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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359 ngx_conf_set_num_slot, |
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360 NGX_HTTP_LOC_CONF_OFFSET, |
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361 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses), |
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362 NULL }, |
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363 |
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364 { ngx_string("proxy_cache_use_stale"), |
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365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
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366 ngx_conf_set_bitmask_slot, |
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367 NGX_HTTP_LOC_CONF_OFFSET, |
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368 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale), |
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369 &ngx_http_proxy_next_upstream_masks }, |
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370 |
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371 #endif |
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372 |
507 | 373 { ngx_string("proxy_temp_path"), |
374 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
375 ngx_conf_set_path_slot, | |
376 NGX_HTTP_LOC_CONF_OFFSET, | |
377 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
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378 NULL }, |
507 | 379 |
380 { ngx_string("proxy_max_temp_file_size"), | |
381 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
382 ngx_conf_set_size_slot, | |
383 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 384 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
507 | 385 NULL }, |
386 | |
387 { ngx_string("proxy_temp_file_write_size"), | |
388 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
389 ngx_conf_set_size_slot, | |
390 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 391 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
507 | 392 NULL }, |
393 | |
394 { ngx_string("proxy_next_upstream"), | |
547 | 395 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
507 | 396 ngx_conf_set_bitmask_slot, |
397 NGX_HTTP_LOC_CONF_OFFSET, | |
398 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
399 &ngx_http_proxy_next_upstream_masks }, | |
400 | |
561 | 401 { ngx_string("proxy_upstream_max_fails"), |
402 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 403 ngx_http_proxy_upstream_max_fails_unsupported, |
404 0, | |
405 0, | |
561 | 406 NULL }, |
407 | |
408 { ngx_string("proxy_upstream_fail_timeout"), | |
409 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 410 ngx_http_proxy_upstream_fail_timeout_unsupported, |
411 0, | |
412 0, | |
561 | 413 NULL }, |
414 | |
649 | 415 { ngx_string("proxy_pass_header"), |
507 | 416 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
649 | 417 ngx_conf_set_str_array_slot, |
507 | 418 NGX_HTTP_LOC_CONF_OFFSET, |
649 | 419 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
507 | 420 NULL }, |
421 | |
649 | 422 { ngx_string("proxy_hide_header"), |
507 | 423 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
649 | 424 ngx_conf_set_str_array_slot, |
507 | 425 NGX_HTTP_LOC_CONF_OFFSET, |
649 | 426 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
507 | 427 NULL }, |
428 | |
2184 | 429 #if (NGX_HTTP_SSL) |
430 | |
431 { ngx_string("proxy_ssl_session_reuse"), | |
432 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
433 ngx_conf_set_flag_slot, | |
434 NGX_HTTP_LOC_CONF_OFFSET, | |
435 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), | |
436 NULL }, | |
437 | |
438 #endif | |
439 | |
507 | 440 ngx_null_command |
441 }; | |
442 | |
443 | |
667 | 444 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
509 | 445 ngx_http_proxy_add_variables, /* preconfiguration */ |
446 NULL, /* postconfiguration */ | |
507 | 447 |
448 NULL, /* create main configuration */ | |
449 NULL, /* init main configuration */ | |
450 | |
451 NULL, /* create server configuration */ | |
452 NULL, /* merge server configuration */ | |
453 | |
454 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
455 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
456 }; | |
457 | |
458 | |
459 ngx_module_t ngx_http_proxy_module = { | |
509 | 460 NGX_MODULE_V1, |
507 | 461 &ngx_http_proxy_module_ctx, /* module context */ |
462 ngx_http_proxy_commands, /* module directives */ | |
463 NGX_HTTP_MODULE, /* module type */ | |
541 | 464 NULL, /* init master */ |
509 | 465 NULL, /* init module */ |
541 | 466 NULL, /* init process */ |
467 NULL, /* init thread */ | |
468 NULL, /* exit thread */ | |
469 NULL, /* exit process */ | |
470 NULL, /* exit master */ | |
471 NGX_MODULE_V1_PADDING | |
507 | 472 }; |
473 | |
474 | |
475 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
476 | |
509 | 477 |
649 | 478 static ngx_keyval_t ngx_http_proxy_headers[] = { |
479 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
480 { ngx_string("Connection"), ngx_string("close") }, | |
481 { ngx_string("Keep-Alive"), ngx_string("") }, | |
2067 | 482 { ngx_string("Expect"), ngx_string("") }, |
649 | 483 { ngx_null_string, ngx_null_string } |
484 }; | |
485 | |
486 | |
487 static ngx_str_t ngx_http_proxy_hide_headers[] = { | |
488 ngx_string("Date"), | |
489 ngx_string("Server"), | |
490 ngx_string("X-Pad"), | |
491 ngx_string("X-Accel-Expires"), | |
492 ngx_string("X-Accel-Redirect"), | |
493 ngx_string("X-Accel-Limit-Rate"), | |
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494 ngx_string("X-Accel-Buffering"), |
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495 ngx_string("X-Accel-Charset"), |
649 | 496 ngx_null_string |
509 | 497 }; |
498 | |
499 | |
500 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
501 | |
637 | 502 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
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503 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 504 |
637 | 505 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
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506 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 507 |
637 | 508 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
583 | 509 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 510 |
511 #if 0 | |
637 | 512 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 513 #endif |
514 | |
637 | 515 { ngx_string("proxy_internal_body_length"), NULL, |
583 | 516 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
577 | 517 |
637 | 518 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
509 | 519 }; |
507 | 520 |
521 | |
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522 static ngx_path_init_t ngx_http_proxy_temp_path = { |
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523 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 } |
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524 }; |
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525 |
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526 |
507 | 527 static ngx_int_t |
528 ngx_http_proxy_handler(ngx_http_request_t *r) | |
577 | 529 { |
507 | 530 ngx_int_t rc; |
531 ngx_http_upstream_t *u; | |
1658 | 532 ngx_http_proxy_ctx_t *ctx; |
507 | 533 ngx_http_proxy_loc_conf_t *plcf; |
577 | 534 |
507 | 535 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
536 if (u == NULL) { | |
537 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
538 } | |
577 | 539 |
1658 | 540 r->upstream = u; |
541 | |
542 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); | |
543 if (ctx == NULL) { | |
544 return NGX_ERROR; | |
545 } | |
546 | |
547 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module); | |
548 | |
549 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
550 | |
551 if (plcf->proxy_lengths == 0) { | |
552 ctx->vars = plcf->vars; | |
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553 u->schema = plcf->vars.schema; |
1658 | 554 #if (NGX_HTTP_SSL) |
555 u->ssl = (plcf->upstream.ssl != NULL); | |
556 #endif | |
557 | |
558 } else { | |
559 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) { | |
560 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
561 } | |
562 } | |
563 | |
507 | 564 u->peer.log = r->connection->log; |
565 u->peer.log_error = NGX_ERROR_ERR; | |
566 #if (NGX_THREADS) | |
567 u->peer.lock = &r->connection->lock; | |
568 #endif | |
569 | |
570 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
571 | |
572 u->conf = &plcf->upstream; | |
573 | |
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574 #if (NGX_HTTP_CACHE) |
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575 u->create_key = ngx_http_proxy_create_key; |
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576 #endif |
507 | 577 u->create_request = ngx_http_proxy_create_request; |
578 u->reinit_request = ngx_http_proxy_reinit_request; | |
509 | 579 u->process_header = ngx_http_proxy_process_status_line; |
507 | 580 u->abort_request = ngx_http_proxy_abort_request; |
581 u->finalize_request = ngx_http_proxy_finalize_request; | |
582 | |
509 | 583 if (plcf->redirects) { |
584 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
585 } | |
586 | |
649 | 587 u->buffering = plcf->upstream.buffering; |
588 | |
589 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
590 if (u->pipe == NULL) { | |
591 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
581 | 592 } |
507 | 593 |
649 | 594 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
595 | |
509 | 596 u->accel = 1; |
577 | 597 |
507 | 598 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); |
599 | |
600 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
601 return rc; | |
602 } | |
603 | |
604 return NGX_DONE; | |
605 } | |
606 | |
607 | |
608 static ngx_int_t | |
1658 | 609 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx, |
610 ngx_http_proxy_loc_conf_t *plcf) | |
611 { | |
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612 u_char *p; |
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613 size_t add; |
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614 u_short port; |
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615 ngx_str_t proxy; |
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616 ngx_url_t url; |
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617 ngx_http_upstream_t *u; |
1658 | 618 |
619 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0, | |
620 plcf->proxy_values->elts) | |
621 == NULL) | |
622 { | |
623 return NGX_ERROR; | |
624 } | |
625 | |
626 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) { | |
627 | |
628 add = 7; | |
629 port = 80; | |
630 | |
631 #if (NGX_HTTP_SSL) | |
632 | |
633 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) { | |
634 | |
635 add = 8; | |
636 port = 443; | |
637 r->upstream->ssl = 1; | |
638 | |
639 #endif | |
640 | |
641 } else { | |
642 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
643 "invalid URL prefix in \"%V\"", &proxy); | |
644 return NGX_ERROR; | |
645 } | |
646 | |
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647 u = r->upstream; |
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648 |
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649 u->schema.len = add; |
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650 u->schema.data = proxy.data; |
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651 |
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652 ngx_memzero(&url, sizeof(ngx_url_t)); |
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653 |
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654 url.url.len = proxy.len - add; |
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655 url.url.data = proxy.data + add; |
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656 url.default_port = port; |
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657 url.uri_part = 1; |
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658 url.no_resolve = 1; |
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659 |
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660 if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
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661 if (url.err) { |
1658 | 662 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
2592
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663 "%s in upstream \"%V\"", url.err, &url.url); |
1658 | 664 } |
665 | |
666 return NGX_ERROR; | |
667 } | |
668 | |
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669 if (url.uri.len && url.uri.data[0] == '?') { |
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670 p = ngx_pnalloc(r->pool, url.uri.len + 1); |
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671 if (p == NULL) { |
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672 return NGX_ERROR; |
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673 } |
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674 |
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675 *p++ = '/'; |
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676 ngx_memcpy(p, url.uri.data, url.uri.len); |
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677 |
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678 url.uri.len++; |
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679 url.uri.data = p - 1; |
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680 } |
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681 |
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682 ctx->vars.key_start = u->schema; |
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683 |
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684 ngx_http_proxy_set_vars(&url, &ctx->vars); |
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685 |
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686 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
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687 if (u->resolved == NULL) { |
1658 | 688 return NGX_ERROR; |
689 } | |
690 | |
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691 if (url.addrs && url.addrs[0].sockaddr) { |
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692 u->resolved->sockaddr = url.addrs[0].sockaddr; |
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693 u->resolved->socklen = url.addrs[0].socklen; |
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694 u->resolved->naddrs = 1; |
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695 u->resolved->host = url.addrs[0].name; |
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696 |
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697 } else { |
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698 u->resolved->host = url.host; |
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699 u->resolved->port = (in_port_t) (url.no_port ? port : url.port); |
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700 u->resolved->no_port = url.no_port; |
2422
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701 } |
1658 | 702 |
703 return NGX_OK; | |
704 } | |
705 | |
706 | |
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707 #if (NGX_HTTP_CACHE) |
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708 |
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709 static ngx_int_t |
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710 ngx_http_proxy_create_key(ngx_http_request_t *r) |
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711 { |
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712 size_t len, loc_len; |
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713 u_char *p; |
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714 uintptr_t escape; |
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715 ngx_str_t *key; |
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716 ngx_http_upstream_t *u; |
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717 ngx_http_proxy_ctx_t *ctx; |
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718 ngx_http_proxy_loc_conf_t *plcf; |
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|
719 |
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720 u = r->upstream; |
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721 |
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722 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); |
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723 |
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724 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); |
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725 |
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726 key = ngx_array_push(&r->cache->keys); |
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727 if (key == NULL) { |
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728 return NGX_ERROR; |
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729 } |
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730 |
2672 | 731 if (plcf->cache_key.value.len) { |
732 | |
733 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) { | |
734 return NGX_ERROR; | |
735 } | |
736 | |
737 return NGX_OK; | |
738 } | |
739 | |
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740 *key = ctx->vars.key_start; |
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741 |
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742 key = ngx_array_push(&r->cache->keys); |
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743 if (key == NULL) { |
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744 return NGX_ERROR; |
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745 } |
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746 |
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747 if (plcf->proxy_lengths) { |
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748 |
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749 *key = ctx->vars.uri; |
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750 u->uri = ctx->vars.uri; |
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751 |
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752 return NGX_OK; |
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753 |
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754 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) |
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755 { |
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756 *key = r->unparsed_uri; |
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757 u->uri = r->unparsed_uri; |
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758 |
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759 return NGX_OK; |
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760 } |
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|
761 |
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762 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0; |
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763 |
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764 if (r->quoted_uri || r->internal) { |
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765 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
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|
766 r->uri.len - loc_len, NGX_ESCAPE_URI); |
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|
767 } else { |
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|
768 escape = 0; |
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769 } |
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|
770 |
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771 len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
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772 + sizeof("?") - 1 + r->args.len; |
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773 |
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|
774 p = ngx_pnalloc(r->pool, len); |
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|
775 if (p == NULL) { |
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776 return NGX_ERROR; |
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777 } |
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778 |
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779 key->data = p; |
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780 |
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781 if (r->valid_location) { |
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782 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len); |
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783 } |
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784 |
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785 if (escape) { |
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786 ngx_escape_uri(p, r->uri.data + loc_len, |
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787 r->uri.len - loc_len, NGX_ESCAPE_URI); |
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788 p += r->uri.len - loc_len + escape; |
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789 |
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790 } else { |
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791 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len); |
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792 } |
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793 |
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794 if (r->args.len > 0) { |
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795 *p++ = '?'; |
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796 p = ngx_copy(p, r->args.data, r->args.len); |
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797 } |
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798 |
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799 key->len = p - key->data; |
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800 u->uri = *key; |
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801 |
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802 return NGX_OK; |
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803 } |
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804 |
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805 #endif |
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806 |
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807 |
1658 | 808 static ngx_int_t |
507 | 809 ngx_http_proxy_create_request(ngx_http_request_t *r) |
810 { | |
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811 size_t len, uri_len, loc_len, body_len; |
509 | 812 uintptr_t escape; |
813 ngx_buf_t *b; | |
649 | 814 ngx_str_t method; |
815 ngx_uint_t i, unparsed_uri; | |
509 | 816 ngx_chain_t *cl, *body; |
817 ngx_list_part_t *part; | |
818 ngx_table_elt_t *header; | |
819 ngx_http_upstream_t *u; | |
1658 | 820 ngx_http_proxy_ctx_t *ctx; |
509 | 821 ngx_http_script_code_pt code; |
822 ngx_http_script_engine_t e, le; | |
823 ngx_http_proxy_loc_conf_t *plcf; | |
824 ngx_http_script_len_code_pt lcode; | |
507 | 825 |
826 u = r->upstream; | |
827 | |
828 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
829 | |
561 | 830 if (u->method.len) { |
831 /* HEAD was changed to GET to cache response */ | |
832 method = u->method; | |
833 method.len++; | |
834 | |
835 } else if (plcf->method.len) { | |
836 method = plcf->method; | |
837 | |
507 | 838 } else { |
561 | 839 method = r->method_name; |
840 method.len++; | |
507 | 841 } |
842 | |
1667 | 843 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
844 | |
507 | 845 escape = 0; |
1658 | 846 loc_len = 0; |
847 unparsed_uri = 0; | |
848 | |
849 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
850 | |
851 if (plcf->proxy_lengths) { | |
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852 uri_len = ctx->vars.uri.len; |
1658 | 853 |
854 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) | |
855 { | |
609 | 856 unparsed_uri = 1; |
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857 uri_len = r->unparsed_uri.len; |
507 | 858 |
859 } else { | |
1658 | 860 loc_len = (r->valid_location && ctx->vars.uri.len) ? |
861 plcf->location.len : 0; | |
862 | |
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863 if (r->quoted_uri || r->internal) { |
509 | 864 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
865 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
507 | 866 } |
867 | |
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868 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape |
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869 + sizeof("?") - 1 + r->args.len; |
507 | 870 } |
871 | |
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872 if (uri_len == 0) { |
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873 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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874 "zero length URI to proxy"); |
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875 return NGX_ERROR; |
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876 } |
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877 |
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878 len += uri_len; |
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879 |
1565 | 880 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes); |
573 | 881 |
577 | 882 if (plcf->body_set_len) { |
883 le.ip = plcf->body_set_len->elts; | |
884 le.request = r; | |
885 le.flushed = 1; | |
886 body_len = 0; | |
887 | |
888 while (*(uintptr_t *) le.ip) { | |
889 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
890 body_len += lcode(&le); | |
891 } | |
892 | |
1658 | 893 ctx->internal_body_length = body_len; |
577 | 894 len += body_len; |
895 } | |
896 | |
509 | 897 le.ip = plcf->headers_set_len->elts; |
898 le.request = r; | |
573 | 899 le.flushed = 1; |
507 | 900 |
509 | 901 while (*(uintptr_t *) le.ip) { |
902 while (*(uintptr_t *) le.ip) { | |
903 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
904 len += lcode(&le); | |
905 } | |
906 le.ip += sizeof(uintptr_t); | |
507 | 907 } |
908 | |
909 | |
509 | 910 if (plcf->upstream.pass_request_headers) { |
911 part = &r->headers_in.headers.part; | |
912 header = part->elts; | |
913 | |
914 for (i = 0; /* void */; i++) { | |
507 | 915 |
509 | 916 if (i >= part->nelts) { |
917 if (part->next == NULL) { | |
918 break; | |
919 } | |
920 | |
921 part = part->next; | |
922 header = part->elts; | |
577 | 923 i = 0; |
507 | 924 } |
925 | |
649 | 926 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
927 header[i].lowcase_key, header[i].key.len)) | |
509 | 928 { |
929 continue; | |
930 } | |
931 | |
932 len += header[i].key.len + sizeof(": ") - 1 | |
933 + header[i].value.len + sizeof(CRLF) - 1; | |
507 | 934 } |
509 | 935 } |
507 | 936 |
937 | |
938 b = ngx_create_temp_buf(r->pool, len); | |
939 if (b == NULL) { | |
940 return NGX_ERROR; | |
941 } | |
942 | |
943 cl = ngx_alloc_chain_link(r->pool); | |
944 if (cl == NULL) { | |
945 return NGX_ERROR; | |
946 } | |
947 | |
948 cl->buf = b; | |
949 | |
950 | |
951 /* the request line */ | |
952 | |
573 | 953 b->last = ngx_copy(b->last, method.data, method.len); |
507 | 954 |
555 | 955 u->uri.data = b->last; |
956 | |
1658 | 957 if (plcf->proxy_lengths) { |
958 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); | |
959 | |
960 } else if (unparsed_uri) { | |
573 | 961 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
962 | |
507 | 963 } else { |
555 | 964 if (r->valid_location) { |
1658 | 965 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); |
555 | 966 } |
551 | 967 |
507 | 968 if (escape) { |
509 | 969 ngx_escape_uri(b->last, r->uri.data + loc_len, |
970 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
971 b->last += r->uri.len - loc_len + escape; | |
507 | 972 |
577 | 973 } else { |
573 | 974 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
975 r->uri.len - loc_len); | |
507 | 976 } |
977 | |
978 if (r->args.len > 0) { | |
979 *b->last++ = '?'; | |
573 | 980 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
507 | 981 } |
982 } | |
983 | |
555 | 984 u->uri.len = b->last - u->uri.data; |
985 | |
507 | 986 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
987 sizeof(ngx_http_proxy_version) - 1); | |
988 | |
577 | 989 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
507 | 990 |
991 e.ip = plcf->headers_set->elts; | |
992 e.pos = b->last; | |
509 | 993 e.request = r; |
573 | 994 e.flushed = 1; |
507 | 995 |
509 | 996 le.ip = plcf->headers_set_len->elts; |
997 | |
998 while (*(uintptr_t *) le.ip) { | |
999 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
515 | 1000 |
1001 /* skip the header line name length */ | |
1002 (void) lcode(&le); | |
509 | 1003 |
1004 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
1005 | |
1006 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1007 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1008 } | |
1009 | |
1010 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
1011 | |
1012 } else { | |
1013 e.skip = 0; | |
1014 } | |
1015 | |
1016 le.ip += sizeof(uintptr_t); | |
1017 | |
1018 while (*(uintptr_t *) e.ip) { | |
1019 code = *(ngx_http_script_code_pt *) e.ip; | |
1020 code((ngx_http_script_engine_t *) &e); | |
577 | 1021 } |
509 | 1022 e.ip += sizeof(uintptr_t); |
507 | 1023 } |
1024 | |
1025 b->last = e.pos; | |
1026 | |
1027 | |
509 | 1028 if (plcf->upstream.pass_request_headers) { |
1029 part = &r->headers_in.headers.part; | |
1030 header = part->elts; | |
577 | 1031 |
509 | 1032 for (i = 0; /* void */; i++) { |
507 | 1033 |
509 | 1034 if (i >= part->nelts) { |
1035 if (part->next == NULL) { | |
1036 break; | |
1037 } | |
1038 | |
1039 part = part->next; | |
1040 header = part->elts; | |
577 | 1041 i = 0; |
507 | 1042 } |
1043 | |
649 | 1044 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
1045 header[i].lowcase_key, header[i].key.len)) | |
509 | 1046 { |
1047 continue; | |
1048 } | |
507 | 1049 |
573 | 1050 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
507 | 1051 |
509 | 1052 *b->last++ = ':'; *b->last++ = ' '; |
507 | 1053 |
573 | 1054 b->last = ngx_copy(b->last, header[i].value.data, |
1055 header[i].value.len); | |
507 | 1056 |
509 | 1057 *b->last++ = CR; *b->last++ = LF; |
507 | 1058 |
509 | 1059 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1060 "http proxy header: \"%V: %V\"", | |
1061 &header[i].key, &header[i].value); | |
1062 } | |
507 | 1063 } |
1064 | |
577 | 1065 |
507 | 1066 /* add "\r\n" at the header end */ |
1067 *b->last++ = CR; *b->last++ = LF; | |
1068 | |
577 | 1069 if (plcf->body_set) { |
1070 e.ip = plcf->body_set->elts; | |
1071 e.pos = b->last; | |
1072 | |
1073 while (*(uintptr_t *) e.ip) { | |
1074 code = *(ngx_http_script_code_pt *) e.ip; | |
1075 code((ngx_http_script_engine_t *) &e); | |
1076 } | |
579 | 1077 |
1078 b->last = e.pos; | |
577 | 1079 } |
1080 | |
1774 | 1081 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1082 "http proxy header:\n\"%*s\"", | |
1083 (size_t) (b->last - b->pos), b->pos); | |
507 | 1084 |
577 | 1085 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
509 | 1086 |
1087 body = u->request_bufs; | |
1088 u->request_bufs = cl; | |
1089 | |
1090 while (body) { | |
1091 b = ngx_alloc_buf(r->pool); | |
1092 if (b == NULL) { | |
1093 return NGX_ERROR; | |
1094 } | |
1095 | |
1096 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
1097 | |
1098 cl->next = ngx_alloc_chain_link(r->pool); | |
1099 if (cl->next == NULL) { | |
1100 return NGX_ERROR; | |
1101 } | |
1102 | |
1103 cl = cl->next; | |
1104 cl->buf = b; | |
1105 | |
1106 body = body->next; | |
1107 } | |
1108 | |
611 | 1109 b->flush = 1; |
1110 | |
509 | 1111 } else { |
1112 u->request_bufs = cl; | |
1113 } | |
1114 | |
1115 cl->next = NULL; | |
1116 | |
507 | 1117 return NGX_OK; |
1118 } | |
1119 | |
1120 | |
1121 static ngx_int_t | |
1122 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
1123 { | |
1658 | 1124 ngx_http_proxy_ctx_t *ctx; |
1125 | |
1126 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1127 | |
1128 if (ctx == NULL) { | |
509 | 1129 return NGX_OK; |
1130 } | |
1131 | |
1658 | 1132 ctx->status = 0; |
1133 ctx->status_count = 0; | |
1134 ctx->status_start = NULL; | |
1135 ctx->status_end = NULL; | |
509 | 1136 |
1137 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
1138 | |
1139 return NGX_OK; | |
1140 } | |
1141 | |
1142 | |
1143 static ngx_int_t | |
1144 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
1145 { | |
1146 ngx_int_t rc; | |
1147 ngx_http_upstream_t *u; | |
1658 | 1148 ngx_http_proxy_ctx_t *ctx; |
1149 | |
1150 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1151 | |
1152 if (ctx == NULL) { | |
1699
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1153 return NGX_ERROR; |
509 | 1154 } |
1155 | |
1658 | 1156 rc = ngx_http_proxy_parse_status_line(r, ctx); |
509 | 1157 |
1158 if (rc == NGX_AGAIN) { | |
1159 return rc; | |
1160 } | |
1161 | |
1162 u = r->upstream; | |
1163 | |
1164 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
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1165 |
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1166 #if (NGX_HTTP_CACHE) |
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1167 |
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1168 if (r->cache) { |
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1169 r->http_version = NGX_HTTP_VERSION_9; |
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1170 u->headers_in.status_n = NGX_HTTP_OK; |
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1171 return NGX_OK; |
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1172 } |
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1173 |
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1174 #endif |
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1175 |
509 | 1176 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
577 | 1177 "upstream sent no valid HTTP/1.0 header"); |
509 | 1178 |
619 | 1179 #if 0 |
509 | 1180 if (u->accel) { |
1181 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1182 } | |
619 | 1183 #endif |
509 | 1184 |
1185 r->http_version = NGX_HTTP_VERSION_9; | |
1616 | 1186 u->headers_in.status_n = NGX_HTTP_OK; |
1187 u->state->status = NGX_HTTP_OK; | |
577 | 1188 |
509 | 1189 return NGX_OK; |
1190 } | |
1191 | |
2592
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1192 if (u->state) { |
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1193 u->state->status = ctx->status; |
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1194 } |
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1195 |
1658 | 1196 u->headers_in.status_n = ctx->status; |
1197 | |
1198 u->headers_in.status_line.len = ctx->status_end - ctx->status_start; | |
2049 | 1199 u->headers_in.status_line.data = ngx_pnalloc(r->pool, |
1200 u->headers_in.status_line.len); | |
529 | 1201 if (u->headers_in.status_line.data == NULL) { |
1699
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1202 return NGX_ERROR; |
509 | 1203 } |
573 | 1204 |
1658 | 1205 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start, |
529 | 1206 u->headers_in.status_line.len); |
509 | 1207 |
1208 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1209 "http proxy status %ui \"%V\"", | |
936 | 1210 u->headers_in.status_n, &u->headers_in.status_line); |
509 | 1211 |
1212 u->process_header = ngx_http_proxy_process_header; | |
1213 | |
1214 return ngx_http_proxy_process_header(r); | |
1215 } | |
1216 | |
1217 | |
1218 static ngx_int_t | |
1658 | 1219 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, |
1220 ngx_http_proxy_ctx_t *ctx) | |
509 | 1221 { |
1222 u_char ch; | |
1658 | 1223 u_char *p; |
509 | 1224 ngx_http_upstream_t *u; |
1225 enum { | |
1226 sw_start = 0, | |
1227 sw_H, | |
1228 sw_HT, | |
1229 sw_HTT, | |
1230 sw_HTTP, | |
1231 sw_first_major_digit, | |
1232 sw_major_digit, | |
1233 sw_first_minor_digit, | |
1234 sw_minor_digit, | |
1235 sw_status, | |
1236 sw_space_after_status, | |
1237 sw_status_text, | |
1238 sw_almost_done | |
577 | 1239 } state; |
509 | 1240 |
1241 u = r->upstream; | |
1242 | |
1243 state = r->state; | |
1244 | |
1658 | 1245 for (p = u->buffer.pos; p < u->buffer.last; p++) { |
1246 ch = *p; | |
509 | 1247 |
1248 switch (state) { | |
1249 | |
1250 /* "HTTP/" */ | |
1251 case sw_start: | |
1252 switch (ch) { | |
577 | 1253 case 'H': |
509 | 1254 state = sw_H; |
1255 break; | |
1256 default: | |
1257 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1258 } | |
1259 break; | |
1260 | |
577 | 1261 case sw_H: |
509 | 1262 switch (ch) { |
577 | 1263 case 'T': |
509 | 1264 state = sw_HT; |
1265 break; | |
1266 default: | |
1267 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1268 } | |
1269 break; | |
1270 | |
1271 case sw_HT: | |
1272 switch (ch) { | |
577 | 1273 case 'T': |
509 | 1274 state = sw_HTT; |
1275 break; | |
1276 default: | |
1277 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1278 } | |
1279 break; | |
1280 | |
1281 case sw_HTT: | |
1282 switch (ch) { | |
577 | 1283 case 'P': |
509 | 1284 state = sw_HTTP; |
1285 break; | |
1286 default: | |
1287 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1288 } | |
1289 break; | |
1290 | |
1291 case sw_HTTP: | |
1292 switch (ch) { | |
577 | 1293 case '/': |
509 | 1294 state = sw_first_major_digit; |
1295 break; | |
1296 default: | |
1297 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1298 } | |
1299 break; | |
1300 | |
1301 /* the first digit of major HTTP version */ | |
1302 case sw_first_major_digit: | |
1303 if (ch < '1' || ch > '9') { | |
1304 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1305 } | |
1306 | |
1307 state = sw_major_digit; | |
1308 break; | |
1309 | |
1310 /* the major HTTP version or dot */ | |
1311 case sw_major_digit: | |
1312 if (ch == '.') { | |
1313 state = sw_first_minor_digit; | |
1314 break; | |
1315 } | |
1316 | |
1317 if (ch < '0' || ch > '9') { | |
1318 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1319 } | |
1320 | |
1321 break; | |
1322 | |
1323 /* the first digit of minor HTTP version */ | |
1324 case sw_first_minor_digit: | |
1325 if (ch < '0' || ch > '9') { | |
1326 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1327 } | |
1328 | |
1329 state = sw_minor_digit; | |
1330 break; | |
1331 | |
1332 /* the minor HTTP version or the end of the request line */ | |
1333 case sw_minor_digit: | |
1334 if (ch == ' ') { | |
1335 state = sw_status; | |
1336 break; | |
1337 } | |
1338 | |
1339 if (ch < '0' || ch > '9') { | |
1340 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1341 } | |
1342 | |
1343 break; | |
1344 | |
1345 /* HTTP status code */ | |
1346 case sw_status: | |
619 | 1347 if (ch == ' ') { |
1348 break; | |
1349 } | |
1350 | |
509 | 1351 if (ch < '0' || ch > '9') { |
1352 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1353 } | |
1354 | |
1658 | 1355 ctx->status = ctx->status * 10 + ch - '0'; |
1356 | |
1357 if (++ctx->status_count == 3) { | |
509 | 1358 state = sw_space_after_status; |
1658 | 1359 ctx->status_start = p - 2; |
509 | 1360 } |
1361 | |
1362 break; | |
1363 | |
1364 /* space or end of line */ | |
1365 case sw_space_after_status: | |
1366 switch (ch) { | |
577 | 1367 case ' ': |
509 | 1368 state = sw_status_text; |
1369 break; | |
1370 case '.': /* IIS may send 403.1, 403.2, etc */ | |
1371 state = sw_status_text; | |
1372 break; | |
1373 case CR: | |
1374 state = sw_almost_done; | |
1375 break; | |
1376 case LF: | |
1377 goto done; | |
1378 default: | |
1379 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1380 } | |
1381 break; | |
1382 | |
1383 /* any text until end of line */ | |
1384 case sw_status_text: | |
1385 switch (ch) { | |
1386 case CR: | |
1387 state = sw_almost_done; | |
1388 | |
1389 break; | |
1390 case LF: | |
1391 goto done; | |
1392 } | |
1393 break; | |
1394 | |
527 | 1395 /* end of status line */ |
509 | 1396 case sw_almost_done: |
1658 | 1397 ctx->status_end = p - 1; |
509 | 1398 switch (ch) { |
1399 case LF: | |
1400 goto done; | |
1401 default: | |
1402 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1403 } | |
1404 } | |
1405 } | |
1406 | |
1658 | 1407 u->buffer.pos = p; |
509 | 1408 r->state = state; |
1409 | |
1410 return NGX_AGAIN; | |
1411 | |
1412 done: | |
1413 | |
1658 | 1414 u->buffer.pos = p + 1; |
1415 | |
1416 if (ctx->status_end == NULL) { | |
1417 ctx->status_end = p; | |
509 | 1418 } |
1419 | |
1420 r->state = sw_start; | |
1421 | |
507 | 1422 return NGX_OK; |
1423 } | |
1424 | |
1425 | |
1426 static ngx_int_t | |
1427 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
1428 { | |
509 | 1429 ngx_int_t rc; |
1430 ngx_table_elt_t *h; | |
1431 ngx_http_upstream_header_t *hh; | |
1432 ngx_http_upstream_main_conf_t *umcf; | |
1433 | |
1434 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
1435 | |
2024 | 1436 for ( ;; ) { |
509 | 1437 |
2256 | 1438 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); |
509 | 1439 |
1440 if (rc == NGX_OK) { | |
1441 | |
1442 /* a header line has been parsed successfully */ | |
507 | 1443 |
509 | 1444 h = ngx_list_push(&r->upstream->headers_in.headers); |
1445 if (h == NULL) { | |
1699
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1446 return NGX_ERROR; |
509 | 1447 } |
1448 | |
1449 h->hash = r->header_hash; | |
1450 | |
1451 h->key.len = r->header_name_end - r->header_name_start; | |
1452 h->value.len = r->header_end - r->header_start; | |
1453 | |
2049 | 1454 h->key.data = ngx_pnalloc(r->pool, |
649 | 1455 h->key.len + 1 + h->value.len + 1 + h->key.len); |
509 | 1456 if (h->key.data == NULL) { |
1699
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1457 return NGX_ERROR; |
509 | 1458 } |
1459 | |
1460 h->value.data = h->key.data + h->key.len + 1; | |
649 | 1461 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
507 | 1462 |
509 | 1463 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
1464 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
1465 | |
649 | 1466 if (h->key.len == r->lowcase_index) { |
1467 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
1468 | |
1469 } else { | |
2135 | 1470 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); |
509 | 1471 } |
1472 | |
649 | 1473 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
1474 h->lowcase_key, h->key.len); | |
1475 | |
1476 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
1699
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diff
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1477 return NGX_ERROR; |
649 | 1478 } |
1479 | |
509 | 1480 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1481 "http proxy header: \"%V: %V\"", | |
1482 &h->key, &h->value); | |
1483 | |
1484 continue; | |
1485 } | |
1486 | |
1487 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
1488 | |
1489 /* a whole header has been parsed successfully */ | |
1490 | |
1491 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1492 "http proxy header done"); | |
1493 | |
649 | 1494 /* |
1495 * if no "Server" and "Date" in header line, | |
1496 * then add the special empty headers | |
1497 */ | |
1498 | |
1499 if (r->upstream->headers_in.server == NULL) { | |
1500 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1501 if (h == NULL) { | |
1699
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1502 return NGX_ERROR; |
649 | 1503 } |
1504 | |
1505 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
1506 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
1507 | |
1508 h->key.len = sizeof("Server") - 1; | |
1509 h->key.data = (u_char *) "Server"; | |
1510 h->value.len = 0; | |
1511 h->value.data = NULL; | |
1512 h->lowcase_key = (u_char *) "server"; | |
1513 } | |
1514 | |
1515 if (r->upstream->headers_in.date == NULL) { | |
1516 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1517 if (h == NULL) { | |
1699
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1518 return NGX_ERROR; |
649 | 1519 } |
1520 | |
1521 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); | |
1522 | |
1523 h->key.len = sizeof("Date") - 1; | |
1524 h->key.data = (u_char *) "Date"; | |
1525 h->value.len = 0; | |
1526 h->value.data = NULL; | |
1527 h->lowcase_key = (u_char *) "date"; | |
1528 } | |
1529 | |
509 | 1530 return NGX_OK; |
1531 } | |
1532 | |
521 | 1533 if (rc == NGX_AGAIN) { |
1534 return NGX_AGAIN; | |
1535 } | |
1536 | |
509 | 1537 /* there was error while a header line parsing */ |
1538 | |
1539 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
619 | 1540 "upstream sent invalid header"); |
509 | 1541 |
1542 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1543 } | |
507 | 1544 } |
1545 | |
1546 | |
1547 static void | |
1548 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
1549 { | |
1550 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1551 "abort http proxy request"); | |
577 | 1552 |
507 | 1553 return; |
1554 } | |
1555 | |
1556 | |
1557 static void | |
1558 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
577 | 1559 { |
507 | 1560 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1561 "finalize http proxy request"); | |
1562 | |
1563 return; | |
1564 } | |
1565 | |
1566 | |
573 | 1567 static ngx_int_t |
1568 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
1569 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1570 { |
1658 | 1571 ngx_http_proxy_ctx_t *ctx; |
1572 | |
1573 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1574 | |
1575 if (ctx == NULL) { | |
1576 v->not_found = 1; | |
1577 return NGX_OK; | |
1578 } | |
1579 | |
1580 v->len = ctx->vars.host_header.len; | |
577 | 1581 v->valid = 1; |
1565 | 1582 v->no_cacheable = 0; |
573 | 1583 v->not_found = 0; |
1658 | 1584 v->data = ctx->vars.host_header.data; |
507 | 1585 |
573 | 1586 return NGX_OK; |
507 | 1587 } |
1588 | |
1589 | |
573 | 1590 static ngx_int_t |
1591 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
1592 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1593 { |
1658 | 1594 ngx_http_proxy_ctx_t *ctx; |
1595 | |
1596 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1597 | |
1598 if (ctx == NULL) { | |
1599 v->not_found = 1; | |
1600 return NGX_OK; | |
1601 } | |
1602 | |
1603 v->len = ctx->vars.port.len; | |
577 | 1604 v->valid = 1; |
1565 | 1605 v->no_cacheable = 0; |
573 | 1606 v->not_found = 0; |
1658 | 1607 v->data = ctx->vars.port.data; |
509 | 1608 |
573 | 1609 return NGX_OK; |
509 | 1610 } |
1611 | |
1612 | |
573 | 1613 static ngx_int_t |
509 | 1614 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
573 | 1615 ngx_http_variable_value_t *v, uintptr_t data) |
509 | 1616 { |
573 | 1617 u_char *p; |
509 | 1618 |
577 | 1619 v->valid = 1; |
1565 | 1620 v->no_cacheable = 0; |
573 | 1621 v->not_found = 0; |
509 | 1622 |
1623 if (r->headers_in.x_forwarded_for == NULL) { | |
573 | 1624 v->len = r->connection->addr_text.len; |
1625 v->data = r->connection->addr_text.data; | |
1626 return NGX_OK; | |
509 | 1627 } |
1628 | |
573 | 1629 v->len = r->headers_in.x_forwarded_for->value.len |
1630 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
509 | 1631 |
2049 | 1632 p = ngx_pnalloc(r->pool, v->len); |
509 | 1633 if (p == NULL) { |
573 | 1634 return NGX_ERROR; |
509 | 1635 } |
1636 | |
573 | 1637 v->data = p; |
509 | 1638 |
573 | 1639 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
1640 r->headers_in.x_forwarded_for->value.len); | |
509 | 1641 |
1642 *p++ = ','; *p++ = ' '; | |
1643 | |
1644 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
1645 | |
573 | 1646 return NGX_OK; |
509 | 1647 } |
1648 | |
1649 | |
1650 static ngx_int_t | |
577 | 1651 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
1652 ngx_http_variable_value_t *v, uintptr_t data) | |
1653 { | |
1658 | 1654 ngx_http_proxy_ctx_t *ctx; |
1655 | |
1656 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1657 | |
1658 if (ctx == NULL) { | |
577 | 1659 v->not_found = 1; |
1660 return NGX_OK; | |
1661 } | |
1662 | |
1663 v->valid = 1; | |
1565 | 1664 v->no_cacheable = 0; |
577 | 1665 v->not_found = 0; |
1666 | |
2049 | 1667 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN); |
577 | 1668 |
1669 if (v->data == NULL) { | |
1670 return NGX_ERROR; | |
1671 } | |
1672 | |
1658 | 1673 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data; |
577 | 1674 |
1675 return NGX_OK; | |
1676 } | |
1677 | |
1678 | |
1679 static ngx_int_t | |
509 | 1680 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
1681 size_t prefix) | |
1682 { | |
1683 ngx_int_t rc; | |
1684 ngx_uint_t i; | |
1685 ngx_http_proxy_loc_conf_t *plcf; | |
1686 ngx_http_proxy_redirect_t *pr; | |
1687 | |
1688 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
1689 | |
1690 pr = plcf->redirects->elts; | |
1691 | |
1692 if (pr == NULL) { | |
1693 return NGX_DECLINED; | |
1694 } | |
1695 | |
1696 for (i = 0; i < plcf->redirects->nelts; i++) { | |
605 | 1697 rc = pr[i].handler(r, h, prefix, &pr[i]); |
509 | 1698 |
1699 if (rc != NGX_DECLINED) { | |
1700 return rc; | |
1701 } | |
1702 } | |
1703 | |
1704 return NGX_DECLINED; | |
1705 } | |
1706 | |
1707 | |
1708 static ngx_int_t | |
1709 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1710 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1711 { | |
1712 size_t len; | |
1713 u_char *data, *p; | |
1714 | |
1715 if (pr->redirect.len > h->value.len - prefix | |
1716 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1717 pr->redirect.len) != 0) | |
1718 { | |
1719 return NGX_DECLINED; | |
1720 } | |
1721 | |
1722 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
507 | 1723 |
2049 | 1724 data = ngx_pnalloc(r->pool, len); |
509 | 1725 if (data == NULL) { |
1726 return NGX_ERROR; | |
1727 } | |
1728 | |
1729 p = data; | |
1730 | |
573 | 1731 p = ngx_copy(p, h->value.data, prefix); |
509 | 1732 |
653 | 1733 if (pr->replacement.text.len) { |
1734 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
1735 } | |
509 | 1736 |
1737 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
1738 h->value.len - pr->redirect.len - prefix); | |
1739 | |
1740 h->value.len = len; | |
1741 h->value.data = data; | |
1742 | |
1743 return NGX_OK; | |
1744 } | |
1745 | |
1746 | |
1747 static ngx_int_t | |
1748 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1749 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1750 { | |
1751 size_t len; | |
1752 u_char *data, *p; | |
1753 ngx_http_script_code_pt code; | |
1754 ngx_http_script_engine_t e; | |
1755 ngx_http_script_len_code_pt lcode; | |
1756 | |
1757 if (pr->redirect.len > h->value.len - prefix | |
1758 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1759 pr->redirect.len) != 0) | |
1760 { | |
1761 return NGX_DECLINED; | |
1762 } | |
1763 | |
1764 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
1765 | |
1766 e.ip = pr->replacement.vars.lengths; | |
1767 e.request = r; | |
1768 | |
723
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1769 len = prefix + h->value.len - pr->redirect.len; |
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1770 |
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1771 while (*(uintptr_t *) e.ip) { |
509 | 1772 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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1773 len += lcode(&e); |
509 | 1774 } |
1775 | |
2049 | 1776 data = ngx_pnalloc(r->pool, len); |
509 | 1777 if (data == NULL) { |
1778 return NGX_ERROR; | |
1779 } | |
1780 | |
1781 p = data; | |
1782 | |
573 | 1783 p = ngx_copy(p, h->value.data, prefix); |
509 | 1784 |
1785 e.ip = pr->replacement.vars.values; | |
1786 e.pos = p; | |
1787 | |
1788 while (*(uintptr_t *) e.ip) { | |
1789 code = *(ngx_http_script_code_pt *) e.ip; | |
1790 code(&e); | |
1791 } | |
1792 | |
723
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1793 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
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1794 h->value.len - pr->redirect.len - prefix); |
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1795 |
509 | 1796 h->value.len = len; |
1797 h->value.data = data; | |
1798 | |
1799 return NGX_OK; | |
1800 } | |
1801 | |
1802 | |
1803 static ngx_int_t | |
1804 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
1805 { | |
1806 ngx_http_variable_t *var, *v; | |
1807 | |
1808 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
1809 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
1810 if (var == NULL) { | |
1811 return NGX_ERROR; | |
1812 } | |
1813 | |
637 | 1814 var->get_handler = v->get_handler; |
509 | 1815 var->data = v->data; |
1816 } | |
1817 | |
1818 return NGX_OK; | |
507 | 1819 } |
1820 | |
1821 | |
1822 static void * | |
1823 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
1824 { | |
1825 ngx_http_proxy_loc_conf_t *conf; | |
1826 | |
1827 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
1828 if (conf == NULL) { | |
1829 return NGX_CONF_ERROR; | |
1830 } | |
1831 | |
1832 /* | |
1833 * set by ngx_pcalloc(): | |
1834 * | |
1835 * conf->upstream.bufs.num = 0; | |
1836 * conf->upstream.next_upstream = 0; | |
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1837 * conf->upstream.use_stale_cache = 0; |
507 | 1838 * conf->upstream.temp_path = NULL; |
649 | 1839 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
509 | 1840 * conf->upstream.uri = { 0, NULL }; |
1841 * conf->upstream.location = NULL; | |
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1842 * conf->upstream.store_lengths = NULL; |
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1843 * conf->upstream.store_values = NULL; |
509 | 1844 * |
561 | 1845 * conf->method = NULL; |
509 | 1846 * conf->headers_source = NULL; |
1847 * conf->headers_set_len = NULL; | |
1848 * conf->headers_set = NULL; | |
1849 * conf->headers_set_hash = NULL; | |
577 | 1850 * conf->body_set_len = NULL; |
1851 * conf->body_set = NULL; | |
1852 * conf->body_source = { 0, NULL }; | |
509 | 1853 * conf->rewrite_locations = NULL; |
507 | 1854 */ |
577 | 1855 |
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1856 conf->upstream.store = NGX_CONF_UNSET; |
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1857 conf->upstream.store_access = NGX_CONF_UNSET_UINT; |
581 | 1858 conf->upstream.buffering = NGX_CONF_UNSET; |
629 | 1859 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
581 | 1860 |
507 | 1861 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
1862 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
1863 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
1864 | |
1865 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
581 | 1866 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
529 | 1867 |
1868 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
577 | 1869 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
529 | 1870 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
509 | 1871 |
1872 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
1873 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
561 | 1874 |
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1875 #if (NGX_HTTP_CACHE) |
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1876 conf->upstream.cache = NGX_CONF_UNSET_PTR; |
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1877 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; |
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1878 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; |
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1879 #endif |
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1880 |
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1881 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; |
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1882 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; |
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1883 |
657 | 1884 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
2184 | 1885 #if (NGX_HTTP_SSL) |
1886 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; | |
1887 #endif | |
507 | 1888 |
1889 /* "proxy_cyclic_temp_file" is disabled */ | |
1890 conf->upstream.cyclic_temp_file = 0; | |
1891 | |
509 | 1892 conf->redirect = NGX_CONF_UNSET; |
649 | 1893 conf->upstream.change_buffering = 1; |
507 | 1894 |
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1895 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
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1896 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
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1897 |
507 | 1898 return conf; |
1899 } | |
1900 | |
1901 | |
1902 static char * | |
1903 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
1904 { | |
1905 ngx_http_proxy_loc_conf_t *prev = parent; | |
1906 ngx_http_proxy_loc_conf_t *conf = child; | |
1907 | |
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1908 size_t size; |
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1909 ngx_keyval_t *s; |
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1910 ngx_hash_init_t hash; |
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1911 ngx_http_proxy_redirect_t *pr; |
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1912 ngx_http_script_compile_t sc; |
509 | 1913 |
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1914 if (conf->upstream.store != 0) { |
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1915 ngx_conf_merge_value(conf->upstream.store, |
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1916 prev->upstream.store, 0); |
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1917 |
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1918 if (conf->upstream.store_lengths == NULL) { |
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1919 conf->upstream.store_lengths = prev->upstream.store_lengths; |
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1920 conf->upstream.store_values = prev->upstream.store_values; |
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1921 } |
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1922 } |
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1923 |
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1924 ngx_conf_merge_uint_value(conf->upstream.store_access, |
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1925 prev->upstream.store_access, 0600); |
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1926 |
581 | 1927 ngx_conf_merge_value(conf->upstream.buffering, |
1928 prev->upstream.buffering, 1); | |
1929 | |
629 | 1930 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
1931 prev->upstream.ignore_client_abort, 0); | |
1932 | |
507 | 1933 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
1934 prev->upstream.connect_timeout, 60000); | |
1935 | |
1936 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
1937 prev->upstream.send_timeout, 60000); | |
1938 | |
1939 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
1940 prev->upstream.read_timeout, 60000); | |
1941 | |
1942 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
1943 prev->upstream.send_lowat, 0); | |
1944 | |
581 | 1945 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
1946 prev->upstream.buffer_size, | |
507 | 1947 (size_t) ngx_pagesize); |
1948 | |
1949 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
1950 8, ngx_pagesize); | |
1951 | |
1952 if (conf->upstream.bufs.num < 2) { | |
577 | 1953 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
507 | 1954 "there must be at least 2 \"proxy_buffers\""); |
1955 return NGX_CONF_ERROR; | |
1956 } | |
577 | 1957 |
507 | 1958 |
581 | 1959 size = conf->upstream.buffer_size; |
577 | 1960 if (size < conf->upstream.bufs.size) { |
507 | 1961 size = conf->upstream.bufs.size; |
1962 } | |
1963 | |
1964 | |
529 | 1965 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
1966 prev->upstream.busy_buffers_size_conf, | |
507 | 1967 NGX_CONF_UNSET_SIZE); |
1968 | |
529 | 1969 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1970 conf->upstream.busy_buffers_size = 2 * size; |
529 | 1971 } else { |
1972 conf->upstream.busy_buffers_size = | |
1973 conf->upstream.busy_buffers_size_conf; | |
1974 } | |
577 | 1975 |
529 | 1976 if (conf->upstream.busy_buffers_size < size) { |
507 | 1977 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1978 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
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1979 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 1980 "one of the \"proxy_buffers\""); |
1981 | |
1982 return NGX_CONF_ERROR; | |
529 | 1983 } |
507 | 1984 |
529 | 1985 if (conf->upstream.busy_buffers_size |
1986 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
507 | 1987 { |
1988 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1989 "\"proxy_busy_buffers_size\" must be less than " | |
1990 "the size of all \"proxy_buffers\" minus one buffer"); | |
1991 | |
1992 return NGX_CONF_ERROR; | |
1993 } | |
529 | 1994 |
507 | 1995 |
529 | 1996 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
1997 prev->upstream.temp_file_write_size_conf, | |
507 | 1998 NGX_CONF_UNSET_SIZE); |
1999 | |
529 | 2000 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 2001 conf->upstream.temp_file_write_size = 2 * size; |
529 | 2002 } else { |
2003 conf->upstream.temp_file_write_size = | |
2004 conf->upstream.temp_file_write_size_conf; | |
2005 } | |
577 | 2006 |
529 | 2007 if (conf->upstream.temp_file_write_size < size) { |
507 | 2008 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2009 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
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2010 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 2011 "one of the \"proxy_buffers\""); |
2012 | |
2013 return NGX_CONF_ERROR; | |
2014 } | |
2015 | |
529 | 2016 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
2017 prev->upstream.max_temp_file_size_conf, | |
507 | 2018 NGX_CONF_UNSET_SIZE); |
2019 | |
529 | 2020 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 2021 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
529 | 2022 } else { |
2023 conf->upstream.max_temp_file_size = | |
2024 conf->upstream.max_temp_file_size_conf; | |
2025 } | |
507 | 2026 |
529 | 2027 if (conf->upstream.max_temp_file_size != 0 |
2028 && conf->upstream.max_temp_file_size < size) | |
507 | 2029 { |
2030 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
561 | 2031 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
507 | 2032 "the temporary files usage or must be equal or bigger than " |
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2033 "maximum of the value of \"proxy_buffer_size\" and " |
561 | 2034 "one of the \"proxy_buffers\""); |
507 | 2035 |
2036 return NGX_CONF_ERROR; | |
2037 } | |
2038 | |
529 | 2039 |
507 | 2040 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
2041 prev->upstream.next_upstream, | |
2042 (NGX_CONF_BITMASK_SET | |
2043 |NGX_HTTP_UPSTREAM_FT_ERROR | |
2044 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
2045 | |
665 | 2046 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
2047 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
2048 |NGX_HTTP_UPSTREAM_FT_OFF; | |
2049 } | |
2050 | |
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2051 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, |
509 | 2052 prev->upstream.temp_path, |
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2053 &ngx_http_proxy_temp_path) |
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2054 != NGX_OK) |
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2055 { |
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2056 return NGX_CONF_ERROR; |
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2057 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2058 |
3a8a53c0c42f
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|
2059 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2060 #if (NGX_HTTP_CACHE) |
3a8a53c0c42f
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diff
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|
2061 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2062 ngx_conf_merge_ptr_value(conf->upstream.cache, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2063 prev->upstream.cache, NULL); |
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diff
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|
2064 |
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Igor Sysoev <igor@sysoev.ru>
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|
2065 if (conf->upstream.cache && conf->upstream.cache->data == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2066 ngx_shm_zone_t *shm_zone; |
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diff
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|
2067 |
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Igor Sysoev <igor@sysoev.ru>
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|
2068 shm_zone = conf->upstream.cache; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2069 |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2070 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2071 "\"proxy_cache\" zone \"%V\" is unknown", |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2072 &shm_zone->name); |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2073 |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
2074 return NGX_CONF_ERROR; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2075 } |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
2076 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2077 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2078 prev->upstream.cache_min_uses, 1); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2079 |
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a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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|
2080 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2081 prev->upstream.cache_use_stale, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2082 (NGX_CONF_BITMASK_SET |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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|
2083 |NGX_HTTP_UPSTREAM_FT_OFF)); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2084 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2085 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2086 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
2087 |NGX_HTTP_UPSTREAM_FT_OFF; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2088 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2089 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2090 ngx_conf_merge_ptr_value(conf->upstream.cache_valid, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2091 prev->upstream.cache_valid, NULL); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2092 |
2672 | 2093 if (conf->cache_key.value.data == NULL) { |
2094 conf->cache_key = prev->cache_key; | |
2095 } | |
2096 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2097 #endif |
507 | 2098 |
561 | 2099 if (conf->method.len == 0) { |
2100 conf->method = prev->method; | |
2101 | |
2102 } else { | |
2103 conf->method.data[conf->method.len] = ' '; | |
2104 conf->method.len++; | |
509 | 2105 } |
2106 | |
2107 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
2108 prev->upstream.pass_request_headers, 1); | |
2109 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
2110 prev->upstream.pass_request_body, 1); | |
2111 | |
657 | 2112 ngx_conf_merge_value(conf->upstream.intercept_errors, |
2113 prev->upstream.intercept_errors, 0); | |
509 | 2114 |
2184 | 2115 #if (NGX_HTTP_SSL) |
2116 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
2117 prev->upstream.ssl_session_reuse, 1); | |
2118 #endif | |
2119 | |
509 | 2120 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); |
2121 | |
2122 if (conf->redirect) { | |
507 | 2123 |
509 | 2124 if (conf->redirects == NULL) { |
2125 conf->redirects = prev->redirects; | |
2126 } | |
2127 | |
1658 | 2128 if (conf->redirects == NULL && conf->url.data) { |
509 | 2129 |
2130 conf->redirects = ngx_array_create(cf->pool, 1, | |
2131 sizeof(ngx_http_proxy_redirect_t)); | |
2132 if (conf->redirects == NULL) { | |
2133 return NGX_CONF_ERROR; | |
2134 } | |
2135 | |
2136 pr = ngx_array_push(conf->redirects); | |
2137 if (pr == NULL) { | |
2138 return NGX_CONF_ERROR; | |
2139 } | |
2140 | |
2141 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
1658 | 2142 pr->redirect = conf->url; |
2143 | |
2144 if (conf->vars.uri.len) { | |
2145 pr->replacement.text = conf->location; | |
653 | 2146 |
2147 } else { | |
2148 pr->replacement.text.len = 0; | |
2149 pr->replacement.text.data = NULL; | |
2150 } | |
509 | 2151 } |
2152 } | |
2153 | |
1658 | 2154 /* STUB */ |
2155 if (prev->proxy_lengths) { | |
2156 conf->proxy_lengths = prev->proxy_lengths; | |
2157 conf->proxy_values = prev->proxy_values; | |
2158 } | |
2159 | |
1180
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2160 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
|
2161 prev->headers_hash_max_size, 512); |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2162 |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2163 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
|
2164 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
|
2165 |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2166 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
|
2167 ngx_cacheline_size); |
1666b7b0bafc
proxy_headers_hash_max_size and proxy_headers_hash_bucket_size
Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2168 |
1701
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2169 hash.max_size = conf->headers_hash_max_size; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2170 hash.bucket_size = conf->headers_hash_bucket_size; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2171 hash.name = "proxy_headers_hash"; |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2172 |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2173 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2174 &prev->upstream, |
40d004d95d88
*) now ngx_conf_set_str_array_slot() tests NGX_CONF_UNSET_PTR
Igor Sysoev <igor@sysoev.ru>
parents:
1699
diff
changeset
|
2175 ngx_http_proxy_hide_headers, &hash) |
649 | 2176 != NGX_OK) |
2177 { | |
2178 return NGX_CONF_ERROR; | |
2179 } | |
2180 | |
884 | 2181 if (conf->upstream.upstream == NULL) { |
2182 conf->upstream.upstream = prev->upstream.upstream; | |
1658 | 2183 conf->vars = prev->vars; |
507 | 2184 } |
2185 | |
577 | 2186 |
2187 if (conf->body_source.data == NULL) { | |
2188 conf->body_source = prev->body_source; | |
2189 conf->body_set_len = prev->body_set_len; | |
2190 conf->body_set = prev->body_set; | |
2191 } | |
2192 | |
579 | 2193 if (conf->body_source.data && conf->body_set_len == NULL) { |
577 | 2194 |
2195 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2196 | |
2197 sc.cf = cf; | |
2198 sc.source = &conf->body_source; | |
2199 sc.flushes = &conf->flushes; | |
2200 sc.lengths = &conf->body_set_len; | |
2201 sc.values = &conf->body_set; | |
2202 sc.complete_lengths = 1; | |
2203 sc.complete_values = 1; | |
2204 | |
2205 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2206 return NGX_CONF_ERROR; | |
2207 } | |
2208 | |
2209 if (conf->headers_source == NULL) { | |
2210 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 2211 sizeof(ngx_keyval_t)); |
577 | 2212 if (conf->headers_source == NULL) { |
2213 return NGX_CONF_ERROR; | |
2214 } | |
2215 } | |
2216 | |
2217 s = ngx_array_push(conf->headers_source); | |
2218 if (s == NULL) { | |
2219 return NGX_CONF_ERROR; | |
2220 } | |
2221 | |
2222 s->key.len = sizeof("Content-Length") - 1; | |
2223 s->key.data = (u_char *) "Content-Length"; | |
2224 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
2225 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
2226 } | |
2227 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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2430
diff
changeset
|
2228 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2229 return NGX_CONF_ERROR; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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2430
diff
changeset
|
2230 } |
3a8a53c0c42f
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diff
changeset
|
2231 |
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2430
diff
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|
2232 return NGX_CONF_OK; |
3a8a53c0c42f
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diff
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|
2233 } |
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diff
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|
2234 |
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diff
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|
2235 |
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diff
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|
2236 static ngx_int_t |
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diff
changeset
|
2237 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf, |
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|
2238 ngx_http_proxy_loc_conf_t *prev) |
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diff
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|
2239 { |
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|
2240 u_char *p; |
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diff
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|
2241 size_t size; |
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diff
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|
2242 uintptr_t *code; |
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diff
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|
2243 ngx_uint_t i; |
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diff
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|
2244 ngx_keyval_t *src, *s, *h; |
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diff
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|
2245 ngx_hash_key_t *hk; |
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diff
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|
2246 ngx_hash_init_t hash; |
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diff
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|
2247 ngx_http_script_compile_t sc; |
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diff
changeset
|
2248 ngx_http_script_copy_code_t *copy; |
577 | 2249 |
509 | 2250 if (conf->headers_source == NULL) { |
573 | 2251 conf->flushes = prev->flushes; |
507 | 2252 conf->headers_set_len = prev->headers_set_len; |
2253 conf->headers_set = prev->headers_set; | |
2254 conf->headers_set_hash = prev->headers_set_hash; | |
573 | 2255 conf->headers_source = prev->headers_source; |
507 | 2256 } |
2257 | |
649 | 2258 if (conf->headers_set_hash.buckets) { |
2592
3a8a53c0c42f
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2430
diff
changeset
|
2259 return NGX_OK; |
509 | 2260 } |
2261 | |
2262 | |
649 | 2263 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
509 | 2264 if (conf->headers_names == NULL) { |
2592
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diff
changeset
|
2265 return NGX_ERROR; |
509 | 2266 } |
2267 | |
2268 if (conf->headers_source == NULL) { | |
2269 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 2270 sizeof(ngx_keyval_t)); |
509 | 2271 if (conf->headers_source == NULL) { |
2592
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diff
changeset
|
2272 return NGX_ERROR; |
509 | 2273 } |
2274 } | |
507 | 2275 |
509 | 2276 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
2277 if (conf->headers_set_len == NULL) { | |
2592
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diff
changeset
|
2278 return NGX_ERROR; |
509 | 2279 } |
2280 | |
2281 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
2282 if (conf->headers_set == NULL) { | |
2592
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diff
changeset
|
2283 return NGX_ERROR; |
509 | 2284 } |
2285 | |
2286 | |
2287 src = conf->headers_source->elts; | |
2288 | |
2289 for (h = ngx_http_proxy_headers; h->key.len; h++) { | |
2290 | |
2291 for (i = 0; i < conf->headers_source->nelts; i++) { | |
2292 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
2293 goto next; | |
507 | 2294 } |
2295 } | |
2296 | |
509 | 2297 s = ngx_array_push(conf->headers_source); |
2298 if (s == NULL) { | |
2592
3a8a53c0c42f
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diff
changeset
|
2299 return NGX_ERROR; |
507 | 2300 } |
2301 | |
509 | 2302 *s = *h; |
507 | 2303 |
517 | 2304 src = conf->headers_source->elts; |
2305 | |
509 | 2306 next: |
507 | 2307 |
509 | 2308 continue; |
2309 } | |
507 | 2310 |
577 | 2311 |
2312 src = conf->headers_source->elts; | |
509 | 2313 for (i = 0; i < conf->headers_source->nelts; i++) { |
507 | 2314 |
649 | 2315 hk = ngx_array_push(conf->headers_names); |
2316 if (hk == NULL) { | |
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3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2317 return NGX_ERROR; |
507 | 2318 } |
2319 | |
649 | 2320 hk->key = src[i].key; |
2321 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
2322 hk->value = (void *) 1; | |
509 | 2323 |
519 | 2324 if (src[i].value.len == 0) { |
2325 continue; | |
2326 } | |
2327 | |
509 | 2328 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
2329 copy = ngx_array_push_n(conf->headers_set_len, | |
2330 sizeof(ngx_http_script_copy_code_t)); | |
2331 if (copy == NULL) { | |
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parents:
2430
diff
changeset
|
2332 return NGX_ERROR; |
509 | 2333 } |
2334 | |
2335 copy->code = (ngx_http_script_code_pt) | |
2336 ngx_http_script_copy_len_code; | |
2337 copy->len = src[i].key.len + sizeof(": ") - 1 | |
2338 + src[i].value.len + sizeof(CRLF) - 1; | |
507 | 2339 |
2340 | |
509 | 2341 size = (sizeof(ngx_http_script_copy_code_t) |
2342 + src[i].key.len + sizeof(": ") - 1 | |
2343 + src[i].value.len + sizeof(CRLF) - 1 | |
2344 + sizeof(uintptr_t) - 1) | |
2345 & ~(sizeof(uintptr_t) - 1); | |
2346 | |
2347 copy = ngx_array_push_n(conf->headers_set, size); | |
2348 if (copy == NULL) { | |
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parents:
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diff
changeset
|
2349 return NGX_ERROR; |
509 | 2350 } |
2351 | |
2352 copy->code = ngx_http_script_copy_code; | |
2353 copy->len = src[i].key.len + sizeof(": ") - 1 | |
2354 + src[i].value.len + sizeof(CRLF) - 1; | |
2355 | |
2356 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2357 | |
2358 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2359 *p++ = ':'; *p++ = ' '; | |
2360 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
2361 *p++ = CR; *p = LF; | |
2362 | |
2363 } else { | |
2364 copy = ngx_array_push_n(conf->headers_set_len, | |
2365 sizeof(ngx_http_script_copy_code_t)); | |
2366 if (copy == NULL) { | |
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parents:
2430
diff
changeset
|
2367 return NGX_ERROR; |
509 | 2368 } |
2369 | |
2370 copy->code = (ngx_http_script_code_pt) | |
2371 ngx_http_script_copy_len_code; | |
2372 copy->len = src[i].key.len + sizeof(": ") - 1; | |
507 | 2373 |
2374 | |
509 | 2375 size = (sizeof(ngx_http_script_copy_code_t) |
2376 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
2377 & ~(sizeof(uintptr_t) - 1); | |
2378 | |
2379 copy = ngx_array_push_n(conf->headers_set, size); | |
2380 if (copy == NULL) { | |
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2381 return NGX_ERROR; |
509 | 2382 } |
2383 | |
2384 copy->code = ngx_http_script_copy_code; | |
2385 copy->len = src[i].key.len + sizeof(": ") - 1; | |
2386 | |
2387 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2388 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2389 *p++ = ':'; *p = ' '; | |
2390 | |
2391 | |
2392 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2393 | |
2394 sc.cf = cf; | |
2395 sc.source = &src[i].value; | |
573 | 2396 sc.flushes = &conf->flushes; |
509 | 2397 sc.lengths = &conf->headers_set_len; |
2398 sc.values = &conf->headers_set; | |
2399 | |
2400 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2401 return NGX_ERROR; |
509 | 2402 } |
2403 | |
2404 | |
2405 copy = ngx_array_push_n(conf->headers_set_len, | |
2406 sizeof(ngx_http_script_copy_code_t)); | |
2407 if (copy == NULL) { | |
2592
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2408 return NGX_ERROR; |
509 | 2409 } |
2410 | |
2411 copy->code = (ngx_http_script_code_pt) | |
2412 ngx_http_script_copy_len_code; | |
2413 copy->len = sizeof(CRLF) - 1; | |
2414 | |
2415 | |
2416 size = (sizeof(ngx_http_script_copy_code_t) | |
2417 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
2418 & ~(sizeof(uintptr_t) - 1); | |
2419 | |
2420 copy = ngx_array_push_n(conf->headers_set, size); | |
2421 if (copy == NULL) { | |
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2422 return NGX_ERROR; |
509 | 2423 } |
2424 | |
2425 copy->code = ngx_http_script_copy_code; | |
2426 copy->len = sizeof(CRLF) - 1; | |
2427 | |
2428 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2429 *p++ = CR; *p = LF; | |
507 | 2430 } |
2431 | |
509 | 2432 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2433 if (code == NULL) { | |
2592
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parents:
2430
diff
changeset
|
2434 return NGX_ERROR; |
507 | 2435 } |
2436 | |
509 | 2437 *code = (uintptr_t) NULL; |
2438 | |
2439 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
2440 if (code == NULL) { | |
2592
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2441 return NGX_ERROR; |
509 | 2442 } |
2443 | |
2444 *code = (uintptr_t) NULL; | |
507 | 2445 } |
2446 | |
509 | 2447 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2448 if (code == NULL) { | |
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Igor Sysoev <igor@sysoev.ru>
parents:
2430
diff
changeset
|
2449 return NGX_ERROR; |
507 | 2450 } |
2451 | |
509 | 2452 *code = (uintptr_t) NULL; |
507 | 2453 |
2454 | |
649 | 2455 hash.hash = &conf->headers_set_hash; |
2456 hash.key = ngx_hash_key_lc; | |
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
|
2457 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
|
2458 hash.bucket_size = conf->headers_hash_bucket_size; |
1666b7b0bafc
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Igor Sysoev <igor@sysoev.ru>
parents:
1125
diff
changeset
|
2459 hash.name = "proxy_headers_hash"; |
649 | 2460 hash.pool = cf->pool; |
2461 hash.temp_pool = NULL; | |
2462 | |
2463 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
2464 conf->headers_names->nelts) | |
2465 != NGX_OK) | |
2466 { | |
2592
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diff
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|
2467 return NGX_ERROR; |
649 | 2468 } |
2469 | |
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2430
diff
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|
2470 return NGX_OK; |
507 | 2471 } |
2472 | |
2473 | |
2474 static char * | |
2475 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2476 { | |
509 | 2477 ngx_http_proxy_loc_conf_t *plcf = conf; |
507 | 2478 |
1658 | 2479 size_t add; |
2480 u_short port; | |
2481 ngx_str_t *value, *url; | |
2482 ngx_url_t u; | |
2483 ngx_uint_t n; | |
2484 ngx_http_core_loc_conf_t *clcf; | |
2485 ngx_http_script_compile_t sc; | |
507 | 2486 |
2391
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delete surplus upstream.schema field
Igor Sysoev <igor@sysoev.ru>
parents:
2285
diff
changeset
|
2487 if (plcf->upstream.upstream || plcf->proxy_lengths) { |
555 | 2488 return "is duplicate"; |
2489 } | |
2490 | |
1658 | 2491 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
2492 | |
507 | 2493 value = cf->args->elts; |
2494 | |
2495 url = &value[1]; | |
2496 | |
1658 | 2497 n = ngx_http_script_variables_count(url); |
2498 | |
2499 if (n) { | |
2500 | |
2501 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2502 | |
2503 sc.cf = cf; | |
2504 sc.source = url; | |
2505 sc.lengths = &plcf->proxy_lengths; | |
2506 sc.values = &plcf->proxy_values; | |
2507 sc.variables = n; | |
2508 sc.complete_lengths = 1; | |
2509 sc.complete_values = 1; | |
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ca317d9b5c09
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Igor Sysoev <igor@sysoev.ru>
parents:
1671
diff
changeset
|
2510 |
1658 | 2511 if (ngx_http_script_compile(&sc) != NGX_OK) { |
2512 return NGX_CONF_ERROR; | |
2513 } | |
2514 | |
2515 #if (NGX_HTTP_SSL) | |
2516 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { | |
2517 return NGX_CONF_ERROR; | |
2518 } | |
2519 #endif | |
2520 | |
2521 clcf->handler = ngx_http_proxy_handler; | |
2522 | |
2523 return NGX_CONF_OK; | |
2524 } | |
2525 | |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2526 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
577 | 2527 add = 7; |
591 | 2528 port = 80; |
577 | 2529 |
1107
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ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
2530 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
577 | 2531 |
2532 #if (NGX_HTTP_SSL) | |
1658 | 2533 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { |
2534 return NGX_CONF_ERROR; | |
2535 } | |
577 | 2536 |
2537 add = 8; | |
591 | 2538 port = 443; |
577 | 2539 #else |
2540 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2541 "https protocol requires SSL support"); | |
2542 return NGX_CONF_ERROR; | |
2543 #endif | |
2544 | |
2545 } else { | |
507 | 2546 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
2547 return NGX_CONF_ERROR; | |
2548 } | |
2549 | |
651 | 2550 ngx_memzero(&u, sizeof(ngx_url_t)); |
2551 | |
2552 u.url.len = url->len - add; | |
2553 u.url.data = url->data + add; | |
906 | 2554 u.default_port = port; |
2555 u.uri_part = 1; | |
884 | 2556 u.no_resolve = 1; |
2557 | |
2558 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
2559 if (plcf->upstream.upstream == NULL) { | |
507 | 2560 return NGX_CONF_ERROR; |
2561 } | |
2562 | |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2563 plcf->vars.schema.len = add; |
d88e757cc7d8
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parents:
2285
diff
changeset
|
2564 plcf->vars.schema.data = url->data; |
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diff
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|
2565 plcf->vars.key_start = plcf->vars.schema; |
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diff
changeset
|
2566 |
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diff
changeset
|
2567 ngx_http_proxy_set_vars(&u, &plcf->vars); |
507 | 2568 |
2569 clcf->handler = ngx_http_proxy_handler; | |
2570 | |
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|
2571 plcf->location = clcf->name; |
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parents:
2430
diff
changeset
|
2572 |
1353 | 2573 if (clcf->named |
507 | 2574 #if (NGX_PCRE) |
1353 | 2575 || clcf->regex |
2576 #endif | |
2577 || clcf->noname) | |
2578 { | |
1658 | 2579 if (plcf->vars.uri.len) { |
573 | 2580 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2581 "\"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
|
2582 "location given by regular expression, " |
1353 | 2583 "or inside named location, " |
843
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2584 "or inside the \"if\" statement, " |
ebab9490204c
allow proxy_pass inside limit_except
Igor Sysoev <igor@sysoev.ru>
parents:
812
diff
changeset
|
2585 "or inside the \"limit_except\" block"); |
573 | 2586 return NGX_CONF_ERROR; |
2587 } | |
2588 | |
1658 | 2589 plcf->location.len = 0; |
555 | 2590 } |
2591 | |
1658 | 2592 plcf->url = *url; |
509 | 2593 |
507 | 2594 if (clcf->name.data[clcf->name.len - 1] == '/') { |
2595 clcf->auto_redirect = 1; | |
2596 } | |
2597 | |
2598 return NGX_CONF_OK; | |
2599 } | |
2600 | |
2601 | |
2602 static char * | |
509 | 2603 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
507 | 2604 { |
509 | 2605 ngx_http_proxy_loc_conf_t *plcf = conf; |
2606 | |
2607 ngx_str_t *value; | |
2608 ngx_array_t *vars_lengths, *vars_values; | |
2609 ngx_http_script_compile_t sc; | |
2610 ngx_http_proxy_redirect_t *pr; | |
2611 | |
2612 if (plcf->redirect == 0) { | |
2613 return NGX_CONF_OK; | |
2614 } | |
2615 | |
2616 value = cf->args->elts; | |
2617 | |
2618 if (ngx_strcmp(value[1].data, "off") == 0) { | |
2619 plcf->redirect = 0; | |
2620 plcf->redirects = NULL; | |
2621 return NGX_CONF_OK; | |
2622 } | |
2623 | |
2624 if (plcf->redirects == NULL) { | |
2625 plcf->redirects = ngx_array_create(cf->pool, 1, | |
2626 sizeof(ngx_http_proxy_redirect_t)); | |
2627 if (plcf->redirects == NULL) { | |
2628 return NGX_CONF_ERROR; | |
2629 } | |
2630 } | |
2631 | |
2632 pr = ngx_array_push(plcf->redirects); | |
2633 if (pr == NULL) { | |
2634 return NGX_CONF_ERROR; | |
2635 } | |
2636 | |
2637 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
1658 | 2638 if (plcf->url.data == NULL) { |
509 | 2639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2640 "\"proxy_rewrite_location default\" must go " | |
2641 "after the \"proxy_pass\" directive"); | |
2642 return NGX_CONF_ERROR; | |
2643 } | |
2644 | |
2645 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
1658 | 2646 pr->redirect = plcf->url; |
2647 | |
2648 if (plcf->vars.uri.len) { | |
2649 pr->replacement.text = plcf->location; | |
653 | 2650 |
2651 } else { | |
2652 pr->replacement.text.len = 0; | |
2653 pr->replacement.text.data = NULL; | |
2654 } | |
509 | 2655 |
2656 return NGX_CONF_OK; | |
2657 } | |
2658 | |
2659 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
2660 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
2661 pr->redirect = value[1]; | |
2662 pr->replacement.text = value[2]; | |
2663 | |
2664 return NGX_CONF_OK; | |
2665 } | |
2666 | |
2667 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2668 | |
2669 vars_lengths = NULL; | |
2670 vars_values = NULL; | |
2671 | |
2672 sc.cf = cf; | |
2673 sc.source = &value[2]; | |
2674 sc.lengths = &vars_lengths; | |
2675 sc.values = &vars_values; | |
2676 sc.complete_lengths = 1; | |
2677 sc.complete_values = 1; | |
2678 | |
2679 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2680 return NGX_CONF_ERROR; | |
2681 } | |
2682 | |
2683 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
2684 pr->redirect = value[1]; | |
2685 pr->replacement.vars.lengths = vars_lengths->elts; | |
2686 pr->replacement.vars.values = vars_values->elts; | |
2687 | |
507 | 2688 return NGX_CONF_OK; |
2689 } | |
2690 | |
2691 | |
2692 static char * | |
1295
5383f5232364
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parents:
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diff
changeset
|
2693 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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changeset
|
2694 { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2695 ngx_http_proxy_loc_conf_t *plcf = conf; |
5383f5232364
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changeset
|
2696 |
5383f5232364
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diff
changeset
|
2697 ngx_str_t *value; |
5383f5232364
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parents:
1291
diff
changeset
|
2698 ngx_http_script_compile_t sc; |
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changeset
|
2699 |
5383f5232364
proxy_store and fastcgi_store were changed,
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1291
diff
changeset
|
2700 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths) |
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changeset
|
2701 { |
5383f5232364
proxy_store and fastcgi_store were changed,
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diff
changeset
|
2702 return "is duplicate"; |
5383f5232364
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parents:
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diff
changeset
|
2703 } |
5383f5232364
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diff
changeset
|
2704 |
5383f5232364
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diff
changeset
|
2705 value = cf->args->elts; |
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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changeset
|
2706 |
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proxy_store and fastcgi_store were changed,
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|
2707 if (ngx_strcmp(value[1].data, "on") == 0) { |
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2708 plcf->upstream.store = 1; |
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|
2709 return NGX_CONF_OK; |
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|
2710 } |
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|
2711 |
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|
2712 if (ngx_strcmp(value[1].data, "off") == 0) { |
5383f5232364
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|
2713 plcf->upstream.store = 0; |
5383f5232364
proxy_store and fastcgi_store were changed,
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|
2714 return NGX_CONF_OK; |
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|
2715 } |
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|
2716 |
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|
2717 /* include the terminating '\0' into script */ |
5383f5232364
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|
2718 value[1].len++; |
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|
2719 |
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2720 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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2721 |
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|
2722 sc.cf = cf; |
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|
2723 sc.source = &value[1]; |
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|
2724 sc.lengths = &plcf->upstream.store_lengths; |
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|
2725 sc.values = &plcf->upstream.store_values; |
1563
022ec9420f80
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Igor Sysoev <igor@sysoev.ru>
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|
2726 sc.variables = ngx_http_script_variables_count(&value[1]); |
1295
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2727 sc.complete_lengths = 1; |
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|
2728 sc.complete_values = 1; |
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|
2729 |
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|
2730 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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2731 return NGX_CONF_ERROR; |
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|
2732 } |
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|
2733 |
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2734 return NGX_CONF_OK; |
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|
2735 } |
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|
2736 |
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|
2737 |
2592
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2738 #if (NGX_HTTP_CACHE) |
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2739 |
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2740 static char * |
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2741 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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2742 { |
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2743 ngx_http_proxy_loc_conf_t *plcf = conf; |
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2744 |
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2745 ngx_str_t *value; |
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2746 |
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2747 value = cf->args->elts; |
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|
2748 |
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2749 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) { |
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2750 return "is duplicate"; |
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|
2751 } |
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|
2752 |
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2753 if (ngx_strcmp(value[1].data, "off") == 0) { |
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2754 plcf->upstream.cache = NULL; |
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2755 return NGX_CONF_OK; |
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2756 } |
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|
2757 |
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2758 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, |
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2759 &ngx_http_proxy_module); |
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2760 if (plcf->upstream.cache == NULL) { |
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2761 return NGX_CONF_ERROR; |
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2762 } |
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|
2763 |
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2764 return NGX_CONF_OK; |
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2765 } |
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2766 |
2672 | 2767 |
2768 static char * | |
2769 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2770 { | |
2771 ngx_http_proxy_loc_conf_t *plcf = conf; | |
2772 | |
2773 ngx_str_t *value; | |
2774 ngx_http_compile_complex_value_t ccv; | |
2775 | |
2776 value = cf->args->elts; | |
2777 | |
2778 if (plcf->cache_key.value.len) { | |
2779 return "is duplicate"; | |
2780 } | |
2781 | |
2782 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
2783 | |
2784 ccv.cf = cf; | |
2785 ccv.value = &value[1]; | |
2786 ccv.complex_value = &plcf->cache_key; | |
2787 | |
2788 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
2789 return NGX_CONF_ERROR; | |
2790 } | |
2791 | |
2792 return NGX_CONF_OK; | |
2793 } | |
2794 | |
2592
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2795 #endif |
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|
2796 |
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|
2797 |
1295
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2798 static char * |
507 | 2799 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) |
2800 { | |
2801 #if (NGX_FREEBSD) | |
2802 ssize_t *np = data; | |
2803 | |
673 | 2804 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
507 | 2805 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2806 "\"proxy_send_lowat\" must be less than %d " | |
2807 "(sysctl net.inet.tcp.sendspace)", | |
2808 ngx_freebsd_net_inet_tcp_sendspace); | |
2809 | |
2810 return NGX_CONF_ERROR; | |
2811 } | |
2812 | |
2813 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
2814 ssize_t *np = data; | |
2815 | |
2816 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
2817 "\"proxy_send_lowat\" is not supported, ignored"); | |
2818 | |
2819 *np = 0; | |
2820 | |
2821 #endif | |
2822 | |
2823 return NGX_CONF_OK; | |
2824 } | |
884 | 2825 |
2826 | |
2827 static char * | |
2828 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
2829 ngx_command_t *cmd, void *conf) | |
2830 { | |
2831 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2832 "\"proxy_upstream_max_fails\" is not supported, " | |
2833 "use the \"max_fails\" parameter of the \"server\" directive ", | |
2834 "inside the \"upstream\" block"); | |
2835 | |
2836 return NGX_CONF_ERROR; | |
2837 } | |
2838 | |
2839 | |
2840 static char * | |
2841 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
2842 ngx_command_t *cmd, void *conf) | |
2843 { | |
2844 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2845 "\"proxy_upstream_fail_timeout\" is not supported, " | |
2846 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
2847 "inside the \"upstream\" block"); | |
2848 | |
2849 return NGX_CONF_ERROR; | |
2850 } | |
1658 | 2851 |
2852 | |
2853 #if (NGX_HTTP_SSL) | |
2854 | |
2855 static ngx_int_t | |
2856 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf) | |
2857 { | |
2858 ngx_pool_cleanup_t *cln; | |
2859 | |
2860 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
2861 if (plcf->upstream.ssl == NULL) { | |
2862 return NGX_ERROR; | |
2863 } | |
2864 | |
2865 plcf->upstream.ssl->log = cf->log; | |
2866 | |
2867 if (ngx_ssl_create(plcf->upstream.ssl, | |
2868 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) | |
2869 != NGX_OK) | |
2870 { | |
2871 return NGX_ERROR; | |
2872 } | |
2873 | |
2874 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
2875 if (cln == NULL) { | |
2876 return NGX_ERROR; | |
2877 } | |
2878 | |
2879 cln->handler = ngx_ssl_cleanup_ctx; | |
2880 cln->data = plcf->upstream.ssl; | |
2881 | |
2882 return NGX_OK; | |
2883 } | |
2884 | |
2885 #endif | |
2886 | |
2887 | |
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2888 static void |
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2889 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v) |
1658 | 2890 { |
2203
8e5bf1bc87e2
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2891 if (u->family != AF_UNIX) { |
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2892 |
1658 | 2893 if (u->no_port || u->port == u->default_port) { |
2592
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2894 |
1658 | 2895 v->host_header = u->host; |
2896 | |
2897 if (u->default_port == 80) { | |
2898 v->port.len = sizeof("80") - 1; | |
2899 v->port.data = (u_char *) "80"; | |
2900 | |
2901 } else { | |
2902 v->port.len = sizeof("443") - 1; | |
2903 v->port.data = (u_char *) "443"; | |
2904 } | |
2905 | |
2906 } else { | |
1671
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2907 v->host_header.len = u->host.len + 1 + u->port_text.len; |
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2908 v->host_header.data = u->host.data; |
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2909 v->port = u->port_text; |
1658 | 2910 } |
2911 | |
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2912 v->key_start.len += v->host_header.len; |
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2913 |
1658 | 2914 } else { |
2915 v->host_header.len = sizeof("localhost") - 1; | |
2916 v->host_header.data = (u_char *) "localhost"; | |
2917 v->port.len = 0; | |
2918 v->port.data = (u_char *) ""; | |
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2919 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1; |
1658 | 2920 } |
2921 | |
2922 v->uri = u->uri; | |
2923 } |