Mercurial > hg > nginx
annotate src/http/modules/ngx_http_proxy_module.c @ 2430:d3454e719bbb
fix segfault, introduced in r2423
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 24 Dec 2008 16:18:35 +0000 |
parents | 7af1e5fe102c |
children | 3a8a53c0c42f |
rev | line source |
---|---|
507 | 1 |
577 | 2 /* |
507 | 3 * Copyright (C) Igor Sysoev |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
509 | 12 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t; |
13 | |
14 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r, | |
15 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr); | |
507 | 16 |
509 | 17 struct ngx_http_proxy_redirect_s { |
651 | 18 ngx_http_proxy_redirect_pt handler; |
19 ngx_str_t redirect; | |
507 | 20 |
509 | 21 union { |
651 | 22 ngx_str_t text; |
509 | 23 |
24 struct { | |
651 | 25 void *lengths; |
26 void *values; | |
509 | 27 } vars; |
507 | 28 |
651 | 29 void *regex; |
509 | 30 } replacement; |
31 }; | |
32 | |
33 | |
34 typedef struct { | |
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35 ngx_str_t schema; |
1658 | 36 ngx_str_t host_header; |
37 ngx_str_t port; | |
38 ngx_str_t uri; | |
39 } ngx_http_proxy_vars_t; | |
40 | |
41 | |
42 typedef struct { | |
651 | 43 ngx_http_upstream_conf_t upstream; |
44 | |
45 ngx_array_t *flushes; | |
46 ngx_array_t *body_set_len; | |
47 ngx_array_t *body_set; | |
48 ngx_array_t *headers_set_len; | |
49 ngx_array_t *headers_set; | |
50 ngx_hash_t headers_set_hash; | |
51 | |
52 ngx_array_t *headers_source; | |
53 ngx_array_t *headers_names; | |
54 | |
1658 | 55 ngx_array_t *proxy_lengths; |
56 ngx_array_t *proxy_values; | |
57 | |
651 | 58 ngx_array_t *redirects; |
59 | |
60 ngx_str_t body_source; | |
61 | |
62 ngx_str_t method; | |
1658 | 63 ngx_str_t location; |
64 ngx_str_t url; | |
65 | |
66 ngx_http_proxy_vars_t vars; | |
651 | 67 |
68 ngx_flag_t redirect; | |
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69 |
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70 ngx_uint_t headers_hash_max_size; |
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71 ngx_uint_t headers_hash_bucket_size; |
507 | 72 } ngx_http_proxy_loc_conf_t; |
73 | |
74 | |
75 typedef struct { | |
651 | 76 ngx_uint_t status; |
77 ngx_uint_t status_count; | |
78 u_char *status_start; | |
79 u_char *status_end; | |
80 | |
1658 | 81 ngx_http_proxy_vars_t vars; |
82 | |
651 | 83 size_t internal_body_length; |
509 | 84 } ngx_http_proxy_ctx_t; |
507 | 85 |
86 | |
509 | 87 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20 |
507 | 88 |
89 | |
1658 | 90 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r, |
91 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf); | |
507 | 92 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); |
93 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); | |
509 | 94 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); |
95 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r, | |
1658 | 96 ngx_http_proxy_ctx_t *ctx); |
507 | 97 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); |
98 static void ngx_http_proxy_abort_request(ngx_http_request_t *r); | |
99 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, | |
100 ngx_int_t rc); | |
101 | |
573 | 102 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, |
103 ngx_http_variable_value_t *v, uintptr_t data); | |
104 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
105 ngx_http_variable_value_t *v, uintptr_t data); | |
106 static ngx_int_t | |
509 | 107 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
573 | 108 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 109 static ngx_int_t |
110 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, | |
111 ngx_http_variable_value_t *v, uintptr_t data); | |
509 | 112 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, |
113 ngx_table_elt_t *h, size_t prefix); | |
507 | 114 |
509 | 115 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); |
507 | 116 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); |
117 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, | |
118 void *parent, void *child); | |
119 | |
120 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
121 void *conf); | |
509 | 122 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, |
123 void *conf); | |
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124 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, |
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125 void *conf); |
507 | 126 |
127 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); | |
128 | |
884 | 129 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, |
130 ngx_command_t *cmd, void *conf); | |
131 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
132 ngx_command_t *cmd, void *conf); | |
133 | |
1658 | 134 #if (NGX_HTTP_SSL) |
135 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf, | |
136 ngx_http_proxy_loc_conf_t *plcf); | |
137 #endif | |
138 static ngx_int_t ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u, | |
139 ngx_http_proxy_vars_t *v); | |
140 | |
509 | 141 |
507 | 142 static ngx_conf_post_t ngx_http_proxy_lowat_post = |
509 | 143 { ngx_http_proxy_lowat_check }; |
144 | |
507 | 145 |
146 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { | |
147 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
148 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
149 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
150 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
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151 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, |
623 | 152 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, |
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153 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, |
507 | 154 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, |
665 | 155 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, |
507 | 156 { ngx_null_string, 0 } |
157 }; | |
158 | |
159 | |
160 static ngx_command_t ngx_http_proxy_commands[] = { | |
161 | |
162 { ngx_string("proxy_pass"), | |
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163 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, |
507 | 164 ngx_http_proxy_pass, |
165 NGX_HTTP_LOC_CONF_OFFSET, | |
166 0, | |
167 NULL }, | |
168 | |
509 | 169 { ngx_string("proxy_redirect"), |
170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
171 ngx_http_proxy_redirect, | |
172 NGX_HTTP_LOC_CONF_OFFSET, | |
173 0, | |
174 NULL }, | |
175 | |
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176 { ngx_string("proxy_store"), |
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177 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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178 ngx_http_proxy_store, |
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179 NGX_HTTP_LOC_CONF_OFFSET, |
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180 0, |
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181 NULL }, |
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182 |
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183 { ngx_string("proxy_store_access"), |
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184 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
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185 ngx_conf_set_access_slot, |
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186 NGX_HTTP_LOC_CONF_OFFSET, |
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187 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), |
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188 NULL }, |
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189 |
581 | 190 { ngx_string("proxy_buffering"), |
191 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
192 ngx_conf_set_flag_slot, | |
193 NGX_HTTP_LOC_CONF_OFFSET, | |
194 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), | |
195 NULL }, | |
196 | |
629 | 197 { ngx_string("proxy_ignore_client_abort"), |
198 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
199 ngx_conf_set_flag_slot, | |
200 NGX_HTTP_LOC_CONF_OFFSET, | |
201 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), | |
202 NULL }, | |
203 | |
507 | 204 { ngx_string("proxy_connect_timeout"), |
205 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
206 ngx_conf_set_msec_slot, | |
207 NGX_HTTP_LOC_CONF_OFFSET, | |
208 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), | |
209 NULL }, | |
210 | |
211 { ngx_string("proxy_send_timeout"), | |
212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
213 ngx_conf_set_msec_slot, | |
214 NGX_HTTP_LOC_CONF_OFFSET, | |
215 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), | |
216 NULL }, | |
217 | |
218 { ngx_string("proxy_send_lowat"), | |
219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
220 ngx_conf_set_size_slot, | |
221 NGX_HTTP_LOC_CONF_OFFSET, | |
222 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), | |
223 &ngx_http_proxy_lowat_post }, | |
224 | |
657 | 225 { ngx_string("proxy_intercept_errors"), |
226 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
227 ngx_conf_set_flag_slot, | |
228 NGX_HTTP_LOC_CONF_OFFSET, | |
229 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), | |
230 NULL }, | |
231 | |
509 | 232 { ngx_string("proxy_set_header"), |
233 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
649 | 234 ngx_conf_set_keyval_slot, |
507 | 235 NGX_HTTP_LOC_CONF_OFFSET, |
509 | 236 offsetof(ngx_http_proxy_loc_conf_t, headers_source), |
507 | 237 NULL }, |
238 | |
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239 { ngx_string("proxy_headers_hash_max_size"), |
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240 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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241 ngx_conf_set_num_slot, |
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242 NGX_HTTP_LOC_CONF_OFFSET, |
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243 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), |
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244 NULL }, |
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245 |
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246 { ngx_string("proxy_headers_hash_bucket_size"), |
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247 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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248 ngx_conf_set_num_slot, |
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249 NGX_HTTP_LOC_CONF_OFFSET, |
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250 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), |
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251 NULL }, |
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252 |
577 | 253 { ngx_string("proxy_set_body"), |
254 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
255 ngx_conf_set_str_slot, | |
256 NGX_HTTP_LOC_CONF_OFFSET, | |
257 offsetof(ngx_http_proxy_loc_conf_t, body_source), | |
258 NULL }, | |
259 | |
509 | 260 { ngx_string("proxy_method"), |
261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
561 | 262 ngx_conf_set_str_slot, |
509 | 263 NGX_HTTP_LOC_CONF_OFFSET, |
561 | 264 offsetof(ngx_http_proxy_loc_conf_t, method), |
265 NULL }, | |
509 | 266 |
267 { ngx_string("proxy_pass_request_headers"), | |
507 | 268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
269 ngx_conf_set_flag_slot, | |
270 NGX_HTTP_LOC_CONF_OFFSET, | |
509 | 271 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), |
507 | 272 NULL }, |
273 | |
509 | 274 { ngx_string("proxy_pass_request_body"), |
507 | 275 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
276 ngx_conf_set_flag_slot, | |
277 NGX_HTTP_LOC_CONF_OFFSET, | |
509 | 278 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), |
507 | 279 NULL }, |
280 | |
581 | 281 { ngx_string("proxy_buffer_size"), |
282 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
283 ngx_conf_set_size_slot, | |
284 NGX_HTTP_LOC_CONF_OFFSET, | |
285 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), | |
286 NULL }, | |
287 | |
507 | 288 { ngx_string("proxy_read_timeout"), |
289 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
290 ngx_conf_set_msec_slot, | |
291 NGX_HTTP_LOC_CONF_OFFSET, | |
292 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), | |
293 NULL }, | |
294 | |
295 { ngx_string("proxy_buffers"), | |
296 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
297 ngx_conf_set_bufs_slot, | |
298 NGX_HTTP_LOC_CONF_OFFSET, | |
299 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), | |
300 NULL }, | |
301 | |
302 { ngx_string("proxy_busy_buffers_size"), | |
303 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
304 ngx_conf_set_size_slot, | |
305 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 306 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), |
507 | 307 NULL }, |
308 | |
309 { ngx_string("proxy_temp_path"), | |
310 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
311 ngx_conf_set_path_slot, | |
312 NGX_HTTP_LOC_CONF_OFFSET, | |
313 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), | |
314 (void *) ngx_garbage_collector_temp_handler }, | |
315 | |
316 { ngx_string("proxy_max_temp_file_size"), | |
317 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
318 ngx_conf_set_size_slot, | |
319 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 320 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), |
507 | 321 NULL }, |
322 | |
323 { ngx_string("proxy_temp_file_write_size"), | |
324 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
325 ngx_conf_set_size_slot, | |
326 NGX_HTTP_LOC_CONF_OFFSET, | |
529 | 327 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), |
507 | 328 NULL }, |
329 | |
330 { ngx_string("proxy_next_upstream"), | |
547 | 331 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
507 | 332 ngx_conf_set_bitmask_slot, |
333 NGX_HTTP_LOC_CONF_OFFSET, | |
334 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), | |
335 &ngx_http_proxy_next_upstream_masks }, | |
336 | |
561 | 337 { ngx_string("proxy_upstream_max_fails"), |
338 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 339 ngx_http_proxy_upstream_max_fails_unsupported, |
340 0, | |
341 0, | |
561 | 342 NULL }, |
343 | |
344 { ngx_string("proxy_upstream_fail_timeout"), | |
345 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
884 | 346 ngx_http_proxy_upstream_fail_timeout_unsupported, |
347 0, | |
348 0, | |
561 | 349 NULL }, |
350 | |
649 | 351 { ngx_string("proxy_pass_header"), |
507 | 352 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
649 | 353 ngx_conf_set_str_array_slot, |
507 | 354 NGX_HTTP_LOC_CONF_OFFSET, |
649 | 355 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), |
507 | 356 NULL }, |
357 | |
649 | 358 { ngx_string("proxy_hide_header"), |
507 | 359 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
649 | 360 ngx_conf_set_str_array_slot, |
507 | 361 NGX_HTTP_LOC_CONF_OFFSET, |
649 | 362 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), |
507 | 363 NULL }, |
364 | |
2184 | 365 #if (NGX_HTTP_SSL) |
366 | |
367 { ngx_string("proxy_ssl_session_reuse"), | |
368 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
369 ngx_conf_set_flag_slot, | |
370 NGX_HTTP_LOC_CONF_OFFSET, | |
371 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), | |
372 NULL }, | |
373 | |
374 #endif | |
375 | |
507 | 376 ngx_null_command |
377 }; | |
378 | |
379 | |
667 | 380 static ngx_http_module_t ngx_http_proxy_module_ctx = { |
509 | 381 ngx_http_proxy_add_variables, /* preconfiguration */ |
382 NULL, /* postconfiguration */ | |
507 | 383 |
384 NULL, /* create main configuration */ | |
385 NULL, /* init main configuration */ | |
386 | |
387 NULL, /* create server configuration */ | |
388 NULL, /* merge server configuration */ | |
389 | |
390 ngx_http_proxy_create_loc_conf, /* create location configration */ | |
391 ngx_http_proxy_merge_loc_conf /* merge location configration */ | |
392 }; | |
393 | |
394 | |
395 ngx_module_t ngx_http_proxy_module = { | |
509 | 396 NGX_MODULE_V1, |
507 | 397 &ngx_http_proxy_module_ctx, /* module context */ |
398 ngx_http_proxy_commands, /* module directives */ | |
399 NGX_HTTP_MODULE, /* module type */ | |
541 | 400 NULL, /* init master */ |
509 | 401 NULL, /* init module */ |
541 | 402 NULL, /* init process */ |
403 NULL, /* init thread */ | |
404 NULL, /* exit thread */ | |
405 NULL, /* exit process */ | |
406 NULL, /* exit master */ | |
407 NGX_MODULE_V1_PADDING | |
507 | 408 }; |
409 | |
410 | |
411 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; | |
412 | |
509 | 413 |
649 | 414 static ngx_keyval_t ngx_http_proxy_headers[] = { |
415 { ngx_string("Host"), ngx_string("$proxy_host") }, | |
416 { ngx_string("Connection"), ngx_string("close") }, | |
417 { ngx_string("Keep-Alive"), ngx_string("") }, | |
2067 | 418 { ngx_string("Expect"), ngx_string("") }, |
649 | 419 { ngx_null_string, ngx_null_string } |
420 }; | |
421 | |
422 | |
423 static ngx_str_t ngx_http_proxy_hide_headers[] = { | |
424 ngx_string("Date"), | |
425 ngx_string("Server"), | |
426 ngx_string("X-Pad"), | |
427 ngx_string("X-Accel-Expires"), | |
428 ngx_string("X-Accel-Redirect"), | |
429 ngx_string("X-Accel-Limit-Rate"), | |
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430 ngx_string("X-Accel-Buffering"), |
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431 ngx_string("X-Accel-Charset"), |
649 | 432 ngx_null_string |
509 | 433 }; |
434 | |
435 | |
436 static ngx_http_variable_t ngx_http_proxy_vars[] = { | |
437 | |
637 | 438 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, |
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439 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 440 |
637 | 441 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, |
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442 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 443 |
637 | 444 { ngx_string("proxy_add_x_forwarded_for"), NULL, |
583 | 445 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 446 |
447 #if 0 | |
637 | 448 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
509 | 449 #endif |
450 | |
637 | 451 { ngx_string("proxy_internal_body_length"), NULL, |
583 | 452 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, |
577 | 453 |
637 | 454 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
509 | 455 }; |
507 | 456 |
457 | |
458 static ngx_int_t | |
459 ngx_http_proxy_handler(ngx_http_request_t *r) | |
577 | 460 { |
507 | 461 ngx_int_t rc; |
462 ngx_http_upstream_t *u; | |
1658 | 463 ngx_http_proxy_ctx_t *ctx; |
507 | 464 ngx_http_proxy_loc_conf_t *plcf; |
577 | 465 |
507 | 466 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)); |
467 if (u == NULL) { | |
468 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
469 } | |
577 | 470 |
1658 | 471 r->upstream = u; |
472 | |
473 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); | |
474 if (ctx == NULL) { | |
475 return NGX_ERROR; | |
476 } | |
477 | |
478 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module); | |
479 | |
480 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
481 | |
482 if (plcf->proxy_lengths == 0) { | |
483 ctx->vars = plcf->vars; | |
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484 u->schema = plcf->vars.schema; |
1658 | 485 #if (NGX_HTTP_SSL) |
486 u->ssl = (plcf->upstream.ssl != NULL); | |
487 #endif | |
488 | |
489 } else { | |
490 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) { | |
491 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
492 } | |
493 } | |
494 | |
507 | 495 u->peer.log = r->connection->log; |
496 u->peer.log_error = NGX_ERROR_ERR; | |
497 #if (NGX_THREADS) | |
498 u->peer.lock = &r->connection->lock; | |
499 #endif | |
500 | |
501 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; | |
502 | |
503 u->conf = &plcf->upstream; | |
504 | |
505 u->create_request = ngx_http_proxy_create_request; | |
506 u->reinit_request = ngx_http_proxy_reinit_request; | |
509 | 507 u->process_header = ngx_http_proxy_process_status_line; |
507 | 508 u->abort_request = ngx_http_proxy_abort_request; |
509 u->finalize_request = ngx_http_proxy_finalize_request; | |
510 | |
509 | 511 if (plcf->redirects) { |
512 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; | |
513 } | |
514 | |
649 | 515 u->buffering = plcf->upstream.buffering; |
516 | |
517 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
518 if (u->pipe == NULL) { | |
519 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
581 | 520 } |
507 | 521 |
649 | 522 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; |
523 | |
509 | 524 u->accel = 1; |
577 | 525 |
507 | 526 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); |
527 | |
528 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
529 return rc; | |
530 } | |
531 | |
532 return NGX_DONE; | |
533 } | |
534 | |
535 | |
536 static ngx_int_t | |
1658 | 537 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx, |
538 ngx_http_proxy_loc_conf_t *plcf) | |
539 { | |
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540 u_char *p; |
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541 size_t add; |
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542 u_short port; |
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543 ngx_str_t proxy; |
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544 ngx_url_t u; |
1658 | 545 |
546 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0, | |
547 plcf->proxy_values->elts) | |
548 == NULL) | |
549 { | |
550 return NGX_ERROR; | |
551 } | |
552 | |
553 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) { | |
554 | |
555 add = 7; | |
556 port = 80; | |
557 | |
558 #if (NGX_HTTP_SSL) | |
559 | |
560 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) { | |
561 | |
562 add = 8; | |
563 port = 443; | |
564 r->upstream->ssl = 1; | |
565 | |
566 #endif | |
567 | |
568 } else { | |
569 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
570 "invalid URL prefix in \"%V\"", &proxy); | |
571 return NGX_ERROR; | |
572 } | |
573 | |
574 r->upstream->schema.len = add; | |
575 r->upstream->schema.data = proxy.data; | |
576 | |
577 ngx_memzero(&u, sizeof(ngx_url_t)); | |
578 | |
579 u.url.len = proxy.len - add; | |
580 u.url.data = proxy.data + add; | |
581 u.default_port = port; | |
582 u.uri_part = 1; | |
583 u.no_resolve = 1; | |
584 | |
585 if (ngx_parse_url(r->pool, &u) != NGX_OK) { | |
586 if (u.err) { | |
587 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
588 "%s in upstream \"%V\"", u.err, &u.url); | |
589 } | |
590 | |
591 return NGX_ERROR; | |
592 } | |
593 | |
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594 if (u.uri.len && u.uri.data[0] == '?') { |
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595 p = ngx_pnalloc(r->pool, u.uri.len + 1); |
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596 if (p == NULL) { |
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597 return NGX_ERROR; |
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598 } |
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599 |
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600 *p++ = '/'; |
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601 ngx_memcpy(p, u.uri.data, u.uri.len); |
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602 |
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603 u.uri.len++; |
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604 u.uri.data = p - 1; |
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605 } |
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606 |
1658 | 607 if (ngx_http_proxy_set_vars(r->pool, &u, &ctx->vars) != NGX_OK) { |
608 return NGX_ERROR; | |
609 } | |
610 | |
611 r->upstream->resolved = ngx_pcalloc(r->pool, | |
612 sizeof(ngx_http_upstream_resolved_t)); | |
613 if (r->upstream->resolved == NULL) { | |
614 return NGX_ERROR; | |
615 } | |
616 | |
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617 if (u.addrs && u.addrs[0].sockaddr) { |
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618 r->upstream->resolved->sockaddr = u.addrs[0].sockaddr; |
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619 r->upstream->resolved->socklen = u.addrs[0].socklen; |
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620 r->upstream->resolved->naddrs = 1; |
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621 r->upstream->resolved->host = u.addrs[0].name; |
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622 |
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623 } else { |
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624 r->upstream->resolved->host = u.host; |
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625 r->upstream->resolved->port = (in_port_t) (u.no_port ? u.default_port: |
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626 u.port); |
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627 r->upstream->resolved->no_port = u.no_port; |
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628 } |
1658 | 629 |
630 return NGX_OK; | |
631 } | |
632 | |
633 | |
634 static ngx_int_t | |
507 | 635 ngx_http_proxy_create_request(ngx_http_request_t *r) |
636 { | |
577 | 637 size_t len, loc_len, body_len; |
509 | 638 uintptr_t escape; |
639 ngx_buf_t *b; | |
649 | 640 ngx_str_t method; |
641 ngx_uint_t i, unparsed_uri; | |
509 | 642 ngx_chain_t *cl, *body; |
643 ngx_list_part_t *part; | |
644 ngx_table_elt_t *header; | |
645 ngx_http_upstream_t *u; | |
1658 | 646 ngx_http_proxy_ctx_t *ctx; |
509 | 647 ngx_http_script_code_pt code; |
648 ngx_http_script_engine_t e, le; | |
649 ngx_http_proxy_loc_conf_t *plcf; | |
650 ngx_http_script_len_code_pt lcode; | |
507 | 651 |
652 u = r->upstream; | |
653 | |
654 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
655 | |
561 | 656 if (u->method.len) { |
657 /* HEAD was changed to GET to cache response */ | |
658 method = u->method; | |
659 method.len++; | |
660 | |
661 } else if (plcf->method.len) { | |
662 method = plcf->method; | |
663 | |
507 | 664 } else { |
561 | 665 method = r->method_name; |
666 method.len++; | |
507 | 667 } |
668 | |
1667 | 669 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1; |
670 | |
507 | 671 escape = 0; |
1658 | 672 loc_len = 0; |
673 unparsed_uri = 0; | |
674 | |
675 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
676 | |
677 if (plcf->proxy_lengths) { | |
1667 | 678 len += ctx->vars.uri.len; |
1658 | 679 |
680 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main) | |
681 { | |
609 | 682 unparsed_uri = 1; |
1667 | 683 len += r->unparsed_uri.len; |
507 | 684 |
685 } else { | |
1658 | 686 loc_len = (r->valid_location && ctx->vars.uri.len) ? |
687 plcf->location.len : 0; | |
688 | |
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689 if (r->quoted_uri || r->internal) { |
509 | 690 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, |
691 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
507 | 692 } |
693 | |
1688 | 694 len += ctx->vars.uri.len + r->uri.len - loc_len + escape |
695 + sizeof("?") - 1 + r->args.len; | |
507 | 696 } |
697 | |
1565 | 698 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes); |
573 | 699 |
577 | 700 if (plcf->body_set_len) { |
701 le.ip = plcf->body_set_len->elts; | |
702 le.request = r; | |
703 le.flushed = 1; | |
704 body_len = 0; | |
705 | |
706 while (*(uintptr_t *) le.ip) { | |
707 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
708 body_len += lcode(&le); | |
709 } | |
710 | |
1658 | 711 ctx->internal_body_length = body_len; |
577 | 712 len += body_len; |
713 } | |
714 | |
509 | 715 le.ip = plcf->headers_set_len->elts; |
716 le.request = r; | |
573 | 717 le.flushed = 1; |
507 | 718 |
509 | 719 while (*(uintptr_t *) le.ip) { |
720 while (*(uintptr_t *) le.ip) { | |
721 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
722 len += lcode(&le); | |
723 } | |
724 le.ip += sizeof(uintptr_t); | |
507 | 725 } |
726 | |
727 | |
509 | 728 if (plcf->upstream.pass_request_headers) { |
729 part = &r->headers_in.headers.part; | |
730 header = part->elts; | |
731 | |
732 for (i = 0; /* void */; i++) { | |
507 | 733 |
509 | 734 if (i >= part->nelts) { |
735 if (part->next == NULL) { | |
736 break; | |
737 } | |
738 | |
739 part = part->next; | |
740 header = part->elts; | |
577 | 741 i = 0; |
507 | 742 } |
743 | |
649 | 744 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
745 header[i].lowcase_key, header[i].key.len)) | |
509 | 746 { |
747 continue; | |
748 } | |
749 | |
750 len += header[i].key.len + sizeof(": ") - 1 | |
751 + header[i].value.len + sizeof(CRLF) - 1; | |
507 | 752 } |
509 | 753 } |
507 | 754 |
755 | |
756 b = ngx_create_temp_buf(r->pool, len); | |
757 if (b == NULL) { | |
758 return NGX_ERROR; | |
759 } | |
760 | |
761 cl = ngx_alloc_chain_link(r->pool); | |
762 if (cl == NULL) { | |
763 return NGX_ERROR; | |
764 } | |
765 | |
766 cl->buf = b; | |
767 | |
768 | |
769 /* the request line */ | |
770 | |
573 | 771 b->last = ngx_copy(b->last, method.data, method.len); |
507 | 772 |
555 | 773 u->uri.data = b->last; |
774 | |
1658 | 775 if (plcf->proxy_lengths) { |
776 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); | |
777 | |
778 } else if (unparsed_uri) { | |
573 | 779 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); |
780 | |
507 | 781 } else { |
555 | 782 if (r->valid_location) { |
1658 | 783 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); |
555 | 784 } |
551 | 785 |
507 | 786 if (escape) { |
509 | 787 ngx_escape_uri(b->last, r->uri.data + loc_len, |
788 r->uri.len - loc_len, NGX_ESCAPE_URI); | |
789 b->last += r->uri.len - loc_len + escape; | |
507 | 790 |
577 | 791 } else { |
573 | 792 b->last = ngx_copy(b->last, r->uri.data + loc_len, |
793 r->uri.len - loc_len); | |
507 | 794 } |
795 | |
796 if (r->args.len > 0) { | |
797 *b->last++ = '?'; | |
573 | 798 b->last = ngx_copy(b->last, r->args.data, r->args.len); |
507 | 799 } |
800 } | |
801 | |
555 | 802 u->uri.len = b->last - u->uri.data; |
803 | |
507 | 804 b->last = ngx_cpymem(b->last, ngx_http_proxy_version, |
805 sizeof(ngx_http_proxy_version) - 1); | |
806 | |
577 | 807 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
507 | 808 |
809 e.ip = plcf->headers_set->elts; | |
810 e.pos = b->last; | |
509 | 811 e.request = r; |
573 | 812 e.flushed = 1; |
507 | 813 |
509 | 814 le.ip = plcf->headers_set_len->elts; |
815 | |
816 while (*(uintptr_t *) le.ip) { | |
817 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
515 | 818 |
819 /* skip the header line name length */ | |
820 (void) lcode(&le); | |
509 | 821 |
822 if (*(ngx_http_script_len_code_pt *) le.ip) { | |
823 | |
824 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
825 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
826 } | |
827 | |
828 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0; | |
829 | |
830 } else { | |
831 e.skip = 0; | |
832 } | |
833 | |
834 le.ip += sizeof(uintptr_t); | |
835 | |
836 while (*(uintptr_t *) e.ip) { | |
837 code = *(ngx_http_script_code_pt *) e.ip; | |
838 code((ngx_http_script_engine_t *) &e); | |
577 | 839 } |
509 | 840 e.ip += sizeof(uintptr_t); |
507 | 841 } |
842 | |
843 b->last = e.pos; | |
844 | |
845 | |
509 | 846 if (plcf->upstream.pass_request_headers) { |
847 part = &r->headers_in.headers.part; | |
848 header = part->elts; | |
577 | 849 |
509 | 850 for (i = 0; /* void */; i++) { |
507 | 851 |
509 | 852 if (i >= part->nelts) { |
853 if (part->next == NULL) { | |
854 break; | |
855 } | |
856 | |
857 part = part->next; | |
858 header = part->elts; | |
577 | 859 i = 0; |
507 | 860 } |
861 | |
649 | 862 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash, |
863 header[i].lowcase_key, header[i].key.len)) | |
509 | 864 { |
865 continue; | |
866 } | |
507 | 867 |
573 | 868 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); |
507 | 869 |
509 | 870 *b->last++ = ':'; *b->last++ = ' '; |
507 | 871 |
573 | 872 b->last = ngx_copy(b->last, header[i].value.data, |
873 header[i].value.len); | |
507 | 874 |
509 | 875 *b->last++ = CR; *b->last++ = LF; |
507 | 876 |
509 | 877 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
878 "http proxy header: \"%V: %V\"", | |
879 &header[i].key, &header[i].value); | |
880 } | |
507 | 881 } |
882 | |
577 | 883 |
507 | 884 /* add "\r\n" at the header end */ |
885 *b->last++ = CR; *b->last++ = LF; | |
886 | |
577 | 887 if (plcf->body_set) { |
888 e.ip = plcf->body_set->elts; | |
889 e.pos = b->last; | |
890 | |
891 while (*(uintptr_t *) e.ip) { | |
892 code = *(ngx_http_script_code_pt *) e.ip; | |
893 code((ngx_http_script_engine_t *) &e); | |
894 } | |
579 | 895 |
896 b->last = e.pos; | |
577 | 897 } |
898 | |
1774 | 899 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
900 "http proxy header:\n\"%*s\"", | |
901 (size_t) (b->last - b->pos), b->pos); | |
507 | 902 |
577 | 903 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) { |
509 | 904 |
905 body = u->request_bufs; | |
906 u->request_bufs = cl; | |
907 | |
908 while (body) { | |
909 b = ngx_alloc_buf(r->pool); | |
910 if (b == NULL) { | |
911 return NGX_ERROR; | |
912 } | |
913 | |
914 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
915 | |
916 cl->next = ngx_alloc_chain_link(r->pool); | |
917 if (cl->next == NULL) { | |
918 return NGX_ERROR; | |
919 } | |
920 | |
921 cl = cl->next; | |
922 cl->buf = b; | |
923 | |
924 body = body->next; | |
925 } | |
926 | |
611 | 927 b->flush = 1; |
928 | |
509 | 929 } else { |
930 u->request_bufs = cl; | |
931 } | |
932 | |
933 cl->next = NULL; | |
934 | |
507 | 935 return NGX_OK; |
936 } | |
937 | |
938 | |
939 static ngx_int_t | |
940 ngx_http_proxy_reinit_request(ngx_http_request_t *r) | |
941 { | |
1658 | 942 ngx_http_proxy_ctx_t *ctx; |
943 | |
944 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
945 | |
946 if (ctx == NULL) { | |
509 | 947 return NGX_OK; |
948 } | |
949 | |
1658 | 950 ctx->status = 0; |
951 ctx->status_count = 0; | |
952 ctx->status_start = NULL; | |
953 ctx->status_end = NULL; | |
509 | 954 |
955 r->upstream->process_header = ngx_http_proxy_process_status_line; | |
956 | |
957 return NGX_OK; | |
958 } | |
959 | |
960 | |
961 static ngx_int_t | |
962 ngx_http_proxy_process_status_line(ngx_http_request_t *r) | |
963 { | |
964 ngx_int_t rc; | |
965 ngx_http_upstream_t *u; | |
1658 | 966 ngx_http_proxy_ctx_t *ctx; |
967 | |
968 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
969 | |
970 if (ctx == NULL) { | |
1699
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parents:
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diff
changeset
|
971 return NGX_ERROR; |
509 | 972 } |
973 | |
1658 | 974 rc = ngx_http_proxy_parse_status_line(r, ctx); |
509 | 975 |
976 if (rc == NGX_AGAIN) { | |
977 return rc; | |
978 } | |
979 | |
980 u = r->upstream; | |
981 | |
982 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { | |
983 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
577 | 984 "upstream sent no valid HTTP/1.0 header"); |
509 | 985 |
619 | 986 #if 0 |
509 | 987 if (u->accel) { |
988 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
989 } | |
619 | 990 #endif |
509 | 991 |
992 r->http_version = NGX_HTTP_VERSION_9; | |
1616 | 993 u->headers_in.status_n = NGX_HTTP_OK; |
994 u->state->status = NGX_HTTP_OK; | |
577 | 995 |
509 | 996 return NGX_OK; |
997 } | |
998 | |
1658 | 999 u->headers_in.status_n = ctx->status; |
1000 u->state->status = ctx->status; | |
1001 | |
1002 u->headers_in.status_line.len = ctx->status_end - ctx->status_start; | |
2049 | 1003 u->headers_in.status_line.data = ngx_pnalloc(r->pool, |
1004 u->headers_in.status_line.len); | |
529 | 1005 if (u->headers_in.status_line.data == NULL) { |
1699
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return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
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changeset
|
1006 return NGX_ERROR; |
509 | 1007 } |
573 | 1008 |
1658 | 1009 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start, |
529 | 1010 u->headers_in.status_line.len); |
509 | 1011 |
1012 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1013 "http proxy status %ui \"%V\"", | |
936 | 1014 u->headers_in.status_n, &u->headers_in.status_line); |
509 | 1015 |
1016 u->process_header = ngx_http_proxy_process_header; | |
1017 | |
1018 return ngx_http_proxy_process_header(r); | |
1019 } | |
1020 | |
1021 | |
1022 static ngx_int_t | |
1658 | 1023 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, |
1024 ngx_http_proxy_ctx_t *ctx) | |
509 | 1025 { |
1026 u_char ch; | |
1658 | 1027 u_char *p; |
509 | 1028 ngx_http_upstream_t *u; |
1029 enum { | |
1030 sw_start = 0, | |
1031 sw_H, | |
1032 sw_HT, | |
1033 sw_HTT, | |
1034 sw_HTTP, | |
1035 sw_first_major_digit, | |
1036 sw_major_digit, | |
1037 sw_first_minor_digit, | |
1038 sw_minor_digit, | |
1039 sw_status, | |
1040 sw_space_after_status, | |
1041 sw_status_text, | |
1042 sw_almost_done | |
577 | 1043 } state; |
509 | 1044 |
1045 u = r->upstream; | |
1046 | |
1047 state = r->state; | |
1048 | |
1658 | 1049 for (p = u->buffer.pos; p < u->buffer.last; p++) { |
1050 ch = *p; | |
509 | 1051 |
1052 switch (state) { | |
1053 | |
1054 /* "HTTP/" */ | |
1055 case sw_start: | |
1056 switch (ch) { | |
577 | 1057 case 'H': |
509 | 1058 state = sw_H; |
1059 break; | |
1060 default: | |
1061 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1062 } | |
1063 break; | |
1064 | |
577 | 1065 case sw_H: |
509 | 1066 switch (ch) { |
577 | 1067 case 'T': |
509 | 1068 state = sw_HT; |
1069 break; | |
1070 default: | |
1071 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1072 } | |
1073 break; | |
1074 | |
1075 case sw_HT: | |
1076 switch (ch) { | |
577 | 1077 case 'T': |
509 | 1078 state = sw_HTT; |
1079 break; | |
1080 default: | |
1081 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1082 } | |
1083 break; | |
1084 | |
1085 case sw_HTT: | |
1086 switch (ch) { | |
577 | 1087 case 'P': |
509 | 1088 state = sw_HTTP; |
1089 break; | |
1090 default: | |
1091 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1092 } | |
1093 break; | |
1094 | |
1095 case sw_HTTP: | |
1096 switch (ch) { | |
577 | 1097 case '/': |
509 | 1098 state = sw_first_major_digit; |
1099 break; | |
1100 default: | |
1101 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1102 } | |
1103 break; | |
1104 | |
1105 /* the first digit of major HTTP version */ | |
1106 case sw_first_major_digit: | |
1107 if (ch < '1' || ch > '9') { | |
1108 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1109 } | |
1110 | |
1111 state = sw_major_digit; | |
1112 break; | |
1113 | |
1114 /* the major HTTP version or dot */ | |
1115 case sw_major_digit: | |
1116 if (ch == '.') { | |
1117 state = sw_first_minor_digit; | |
1118 break; | |
1119 } | |
1120 | |
1121 if (ch < '0' || ch > '9') { | |
1122 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1123 } | |
1124 | |
1125 break; | |
1126 | |
1127 /* the first digit of minor HTTP version */ | |
1128 case sw_first_minor_digit: | |
1129 if (ch < '0' || ch > '9') { | |
1130 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1131 } | |
1132 | |
1133 state = sw_minor_digit; | |
1134 break; | |
1135 | |
1136 /* the minor HTTP version or the end of the request line */ | |
1137 case sw_minor_digit: | |
1138 if (ch == ' ') { | |
1139 state = sw_status; | |
1140 break; | |
1141 } | |
1142 | |
1143 if (ch < '0' || ch > '9') { | |
1144 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1145 } | |
1146 | |
1147 break; | |
1148 | |
1149 /* HTTP status code */ | |
1150 case sw_status: | |
619 | 1151 if (ch == ' ') { |
1152 break; | |
1153 } | |
1154 | |
509 | 1155 if (ch < '0' || ch > '9') { |
1156 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1157 } | |
1158 | |
1658 | 1159 ctx->status = ctx->status * 10 + ch - '0'; |
1160 | |
1161 if (++ctx->status_count == 3) { | |
509 | 1162 state = sw_space_after_status; |
1658 | 1163 ctx->status_start = p - 2; |
509 | 1164 } |
1165 | |
1166 break; | |
1167 | |
1168 /* space or end of line */ | |
1169 case sw_space_after_status: | |
1170 switch (ch) { | |
577 | 1171 case ' ': |
509 | 1172 state = sw_status_text; |
1173 break; | |
1174 case '.': /* IIS may send 403.1, 403.2, etc */ | |
1175 state = sw_status_text; | |
1176 break; | |
1177 case CR: | |
1178 state = sw_almost_done; | |
1179 break; | |
1180 case LF: | |
1181 goto done; | |
1182 default: | |
1183 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1184 } | |
1185 break; | |
1186 | |
1187 /* any text until end of line */ | |
1188 case sw_status_text: | |
1189 switch (ch) { | |
1190 case CR: | |
1191 state = sw_almost_done; | |
1192 | |
1193 break; | |
1194 case LF: | |
1195 goto done; | |
1196 } | |
1197 break; | |
1198 | |
527 | 1199 /* end of status line */ |
509 | 1200 case sw_almost_done: |
1658 | 1201 ctx->status_end = p - 1; |
509 | 1202 switch (ch) { |
1203 case LF: | |
1204 goto done; | |
1205 default: | |
1206 return NGX_HTTP_PROXY_PARSE_NO_HEADER; | |
1207 } | |
1208 } | |
1209 } | |
1210 | |
1658 | 1211 u->buffer.pos = p; |
509 | 1212 r->state = state; |
1213 | |
1214 return NGX_AGAIN; | |
1215 | |
1216 done: | |
1217 | |
1658 | 1218 u->buffer.pos = p + 1; |
1219 | |
1220 if (ctx->status_end == NULL) { | |
1221 ctx->status_end = p; | |
509 | 1222 } |
1223 | |
1224 r->state = sw_start; | |
1225 | |
507 | 1226 return NGX_OK; |
1227 } | |
1228 | |
1229 | |
1230 static ngx_int_t | |
1231 ngx_http_proxy_process_header(ngx_http_request_t *r) | |
1232 { | |
509 | 1233 ngx_int_t rc; |
1234 ngx_table_elt_t *h; | |
1235 ngx_http_upstream_header_t *hh; | |
1236 ngx_http_upstream_main_conf_t *umcf; | |
1237 | |
1238 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
1239 | |
2024 | 1240 for ( ;; ) { |
509 | 1241 |
2256 | 1242 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); |
509 | 1243 |
1244 if (rc == NGX_OK) { | |
1245 | |
1246 /* a header line has been parsed successfully */ | |
507 | 1247 |
509 | 1248 h = ngx_list_push(&r->upstream->headers_in.headers); |
1249 if (h == NULL) { | |
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1688
diff
changeset
|
1250 return NGX_ERROR; |
509 | 1251 } |
1252 | |
1253 h->hash = r->header_hash; | |
1254 | |
1255 h->key.len = r->header_name_end - r->header_name_start; | |
1256 h->value.len = r->header_end - r->header_start; | |
1257 | |
2049 | 1258 h->key.data = ngx_pnalloc(r->pool, |
649 | 1259 h->key.len + 1 + h->value.len + 1 + h->key.len); |
509 | 1260 if (h->key.data == NULL) { |
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1688
diff
changeset
|
1261 return NGX_ERROR; |
509 | 1262 } |
1263 | |
1264 h->value.data = h->key.data + h->key.len + 1; | |
649 | 1265 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; |
507 | 1266 |
509 | 1267 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
1268 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
1269 | |
649 | 1270 if (h->key.len == r->lowcase_index) { |
1271 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
1272 | |
1273 } else { | |
2135 | 1274 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); |
509 | 1275 } |
1276 | |
649 | 1277 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, |
1278 h->lowcase_key, h->key.len); | |
1279 | |
1280 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1688
diff
changeset
|
1281 return NGX_ERROR; |
649 | 1282 } |
1283 | |
509 | 1284 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1285 "http proxy header: \"%V: %V\"", | |
1286 &h->key, &h->value); | |
1287 | |
1288 continue; | |
1289 } | |
1290 | |
1291 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
1292 | |
1293 /* a whole header has been parsed successfully */ | |
1294 | |
1295 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1296 "http proxy header done"); | |
1297 | |
649 | 1298 /* |
1299 * if no "Server" and "Date" in header line, | |
1300 * then add the special empty headers | |
1301 */ | |
1302 | |
1303 if (r->upstream->headers_in.server == NULL) { | |
1304 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1305 if (h == NULL) { | |
1699
976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
Igor Sysoev <igor@sysoev.ru>
parents:
1688
diff
changeset
|
1306 return NGX_ERROR; |
649 | 1307 } |
1308 | |
1309 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( | |
1310 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); | |
1311 | |
1312 h->key.len = sizeof("Server") - 1; | |
1313 h->key.data = (u_char *) "Server"; | |
1314 h->value.len = 0; | |
1315 h->value.data = NULL; | |
1316 h->lowcase_key = (u_char *) "server"; | |
1317 } | |
1318 | |
1319 if (r->upstream->headers_in.date == NULL) { | |
1320 h = ngx_list_push(&r->upstream->headers_in.headers); | |
1321 if (h == NULL) { | |
1699
976db8c6fb64
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Igor Sysoev <igor@sysoev.ru>
parents:
1688
diff
changeset
|
1322 return NGX_ERROR; |
649 | 1323 } |
1324 | |
1325 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); | |
1326 | |
1327 h->key.len = sizeof("Date") - 1; | |
1328 h->key.data = (u_char *) "Date"; | |
1329 h->value.len = 0; | |
1330 h->value.data = NULL; | |
1331 h->lowcase_key = (u_char *) "date"; | |
1332 } | |
1333 | |
509 | 1334 return NGX_OK; |
1335 } | |
1336 | |
521 | 1337 if (rc == NGX_AGAIN) { |
1338 return NGX_AGAIN; | |
1339 } | |
1340 | |
509 | 1341 /* there was error while a header line parsing */ |
1342 | |
1343 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
619 | 1344 "upstream sent invalid header"); |
509 | 1345 |
1346 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1347 } | |
507 | 1348 } |
1349 | |
1350 | |
1351 static void | |
1352 ngx_http_proxy_abort_request(ngx_http_request_t *r) | |
1353 { | |
1354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1355 "abort http proxy request"); | |
577 | 1356 |
507 | 1357 return; |
1358 } | |
1359 | |
1360 | |
1361 static void | |
1362 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
577 | 1363 { |
507 | 1364 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
1365 "finalize http proxy request"); | |
1366 | |
1367 return; | |
1368 } | |
1369 | |
1370 | |
573 | 1371 static ngx_int_t |
1372 ngx_http_proxy_host_variable(ngx_http_request_t *r, | |
1373 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1374 { |
1658 | 1375 ngx_http_proxy_ctx_t *ctx; |
1376 | |
1377 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1378 | |
1379 if (ctx == NULL) { | |
1380 v->not_found = 1; | |
1381 return NGX_OK; | |
1382 } | |
1383 | |
1384 v->len = ctx->vars.host_header.len; | |
577 | 1385 v->valid = 1; |
1565 | 1386 v->no_cacheable = 0; |
573 | 1387 v->not_found = 0; |
1658 | 1388 v->data = ctx->vars.host_header.data; |
507 | 1389 |
573 | 1390 return NGX_OK; |
507 | 1391 } |
1392 | |
1393 | |
573 | 1394 static ngx_int_t |
1395 ngx_http_proxy_port_variable(ngx_http_request_t *r, | |
1396 ngx_http_variable_value_t *v, uintptr_t data) | |
507 | 1397 { |
1658 | 1398 ngx_http_proxy_ctx_t *ctx; |
1399 | |
1400 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1401 | |
1402 if (ctx == NULL) { | |
1403 v->not_found = 1; | |
1404 return NGX_OK; | |
1405 } | |
1406 | |
1407 v->len = ctx->vars.port.len; | |
577 | 1408 v->valid = 1; |
1565 | 1409 v->no_cacheable = 0; |
573 | 1410 v->not_found = 0; |
1658 | 1411 v->data = ctx->vars.port.data; |
509 | 1412 |
573 | 1413 return NGX_OK; |
509 | 1414 } |
1415 | |
1416 | |
573 | 1417 static ngx_int_t |
509 | 1418 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, |
573 | 1419 ngx_http_variable_value_t *v, uintptr_t data) |
509 | 1420 { |
573 | 1421 u_char *p; |
509 | 1422 |
577 | 1423 v->valid = 1; |
1565 | 1424 v->no_cacheable = 0; |
573 | 1425 v->not_found = 0; |
509 | 1426 |
1427 if (r->headers_in.x_forwarded_for == NULL) { | |
573 | 1428 v->len = r->connection->addr_text.len; |
1429 v->data = r->connection->addr_text.data; | |
1430 return NGX_OK; | |
509 | 1431 } |
1432 | |
573 | 1433 v->len = r->headers_in.x_forwarded_for->value.len |
1434 + sizeof(", ") - 1 + r->connection->addr_text.len; | |
509 | 1435 |
2049 | 1436 p = ngx_pnalloc(r->pool, v->len); |
509 | 1437 if (p == NULL) { |
573 | 1438 return NGX_ERROR; |
509 | 1439 } |
1440 | |
573 | 1441 v->data = p; |
509 | 1442 |
573 | 1443 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data, |
1444 r->headers_in.x_forwarded_for->value.len); | |
509 | 1445 |
1446 *p++ = ','; *p++ = ' '; | |
1447 | |
1448 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); | |
1449 | |
573 | 1450 return NGX_OK; |
509 | 1451 } |
1452 | |
1453 | |
1454 static ngx_int_t | |
577 | 1455 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, |
1456 ngx_http_variable_value_t *v, uintptr_t data) | |
1457 { | |
1658 | 1458 ngx_http_proxy_ctx_t *ctx; |
1459 | |
1460 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); | |
1461 | |
1462 if (ctx == NULL) { | |
577 | 1463 v->not_found = 1; |
1464 return NGX_OK; | |
1465 } | |
1466 | |
1467 v->valid = 1; | |
1565 | 1468 v->no_cacheable = 0; |
577 | 1469 v->not_found = 0; |
1470 | |
2049 | 1471 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN); |
577 | 1472 |
1473 if (v->data == NULL) { | |
1474 return NGX_ERROR; | |
1475 } | |
1476 | |
1658 | 1477 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data; |
577 | 1478 |
1479 return NGX_OK; | |
1480 } | |
1481 | |
1482 | |
1483 static ngx_int_t | |
509 | 1484 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, |
1485 size_t prefix) | |
1486 { | |
1487 ngx_int_t rc; | |
1488 ngx_uint_t i; | |
1489 ngx_http_proxy_loc_conf_t *plcf; | |
1490 ngx_http_proxy_redirect_t *pr; | |
1491 | |
1492 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); | |
1493 | |
1494 pr = plcf->redirects->elts; | |
1495 | |
1496 if (pr == NULL) { | |
1497 return NGX_DECLINED; | |
1498 } | |
1499 | |
1500 for (i = 0; i < plcf->redirects->nelts; i++) { | |
605 | 1501 rc = pr[i].handler(r, h, prefix, &pr[i]); |
509 | 1502 |
1503 if (rc != NGX_DECLINED) { | |
1504 return rc; | |
1505 } | |
1506 } | |
1507 | |
1508 return NGX_DECLINED; | |
1509 } | |
1510 | |
1511 | |
1512 static ngx_int_t | |
1513 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1514 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1515 { | |
1516 size_t len; | |
1517 u_char *data, *p; | |
1518 | |
1519 if (pr->redirect.len > h->value.len - prefix | |
1520 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1521 pr->redirect.len) != 0) | |
1522 { | |
1523 return NGX_DECLINED; | |
1524 } | |
1525 | |
1526 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len; | |
507 | 1527 |
2049 | 1528 data = ngx_pnalloc(r->pool, len); |
509 | 1529 if (data == NULL) { |
1530 return NGX_ERROR; | |
1531 } | |
1532 | |
1533 p = data; | |
1534 | |
573 | 1535 p = ngx_copy(p, h->value.data, prefix); |
509 | 1536 |
653 | 1537 if (pr->replacement.text.len) { |
1538 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len); | |
1539 } | |
509 | 1540 |
1541 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len, | |
1542 h->value.len - pr->redirect.len - prefix); | |
1543 | |
1544 h->value.len = len; | |
1545 h->value.data = data; | |
1546 | |
1547 return NGX_OK; | |
1548 } | |
1549 | |
1550 | |
1551 static ngx_int_t | |
1552 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1553 size_t prefix, ngx_http_proxy_redirect_t *pr) | |
1554 { | |
1555 size_t len; | |
1556 u_char *data, *p; | |
1557 ngx_http_script_code_pt code; | |
1558 ngx_http_script_engine_t e; | |
1559 ngx_http_script_len_code_pt lcode; | |
1560 | |
1561 if (pr->redirect.len > h->value.len - prefix | |
1562 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data, | |
1563 pr->redirect.len) != 0) | |
1564 { | |
1565 return NGX_DECLINED; | |
1566 } | |
1567 | |
1568 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
1569 | |
1570 e.ip = pr->replacement.vars.lengths; | |
1571 e.request = r; | |
1572 | |
723
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1573 len = prefix + h->value.len - pr->redirect.len; |
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1574 |
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1575 while (*(uintptr_t *) e.ip) { |
509 | 1576 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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1577 len += lcode(&e); |
509 | 1578 } |
1579 | |
2049 | 1580 data = ngx_pnalloc(r->pool, len); |
509 | 1581 if (data == NULL) { |
1582 return NGX_ERROR; | |
1583 } | |
1584 | |
1585 p = data; | |
1586 | |
573 | 1587 p = ngx_copy(p, h->value.data, prefix); |
509 | 1588 |
1589 e.ip = pr->replacement.vars.values; | |
1590 e.pos = p; | |
1591 | |
1592 while (*(uintptr_t *) e.ip) { | |
1593 code = *(ngx_http_script_code_pt *) e.ip; | |
1594 code(&e); | |
1595 } | |
1596 | |
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1597 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len, |
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1598 h->value.len - pr->redirect.len - prefix); |
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1599 |
509 | 1600 h->value.len = len; |
1601 h->value.data = data; | |
1602 | |
1603 return NGX_OK; | |
1604 } | |
1605 | |
1606 | |
1607 static ngx_int_t | |
1608 ngx_http_proxy_add_variables(ngx_conf_t *cf) | |
1609 { | |
1610 ngx_http_variable_t *var, *v; | |
1611 | |
1612 for (v = ngx_http_proxy_vars; v->name.len; v++) { | |
1613 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
1614 if (var == NULL) { | |
1615 return NGX_ERROR; | |
1616 } | |
1617 | |
637 | 1618 var->get_handler = v->get_handler; |
509 | 1619 var->data = v->data; |
1620 } | |
1621 | |
1622 return NGX_OK; | |
507 | 1623 } |
1624 | |
1625 | |
1626 static void * | |
1627 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) | |
1628 { | |
1629 ngx_http_proxy_loc_conf_t *conf; | |
1630 | |
1631 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); | |
1632 if (conf == NULL) { | |
1633 return NGX_CONF_ERROR; | |
1634 } | |
1635 | |
1636 /* | |
1637 * set by ngx_pcalloc(): | |
1638 * | |
1639 * conf->upstream.bufs.num = 0; | |
1640 * conf->upstream.next_upstream = 0; | |
1641 * conf->upstream.temp_path = NULL; | |
649 | 1642 * conf->upstream.hide_headers_hash = { NULL, 0 }; |
509 | 1643 * conf->upstream.uri = { 0, NULL }; |
1644 * conf->upstream.location = NULL; | |
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1645 * conf->upstream.store_lengths = NULL; |
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1646 * conf->upstream.store_values = NULL; |
509 | 1647 * |
561 | 1648 * conf->method = NULL; |
509 | 1649 * conf->headers_source = NULL; |
1650 * conf->headers_set_len = NULL; | |
1651 * conf->headers_set = NULL; | |
1652 * conf->headers_set_hash = NULL; | |
577 | 1653 * conf->body_set_len = NULL; |
1654 * conf->body_set = NULL; | |
1655 * conf->body_source = { 0, NULL }; | |
509 | 1656 * conf->rewrite_locations = NULL; |
507 | 1657 */ |
577 | 1658 |
1295
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|
1659 conf->upstream.store = NGX_CONF_UNSET; |
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1660 conf->upstream.store_access = NGX_CONF_UNSET_UINT; |
581 | 1661 conf->upstream.buffering = NGX_CONF_UNSET; |
629 | 1662 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; |
581 | 1663 |
507 | 1664 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; |
1665 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
1666 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
1667 | |
1668 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
581 | 1669 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; |
529 | 1670 |
1671 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
577 | 1672 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; |
529 | 1673 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; |
509 | 1674 |
1675 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
1676 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
561 | 1677 |
1701
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1678 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; |
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1679 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; |
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1680 |
657 | 1681 conf->upstream.intercept_errors = NGX_CONF_UNSET; |
2184 | 1682 #if (NGX_HTTP_SSL) |
1683 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; | |
1684 #endif | |
507 | 1685 |
1686 /* "proxy_cyclic_temp_file" is disabled */ | |
1687 conf->upstream.cyclic_temp_file = 0; | |
1688 | |
509 | 1689 conf->redirect = NGX_CONF_UNSET; |
649 | 1690 conf->upstream.change_buffering = 1; |
507 | 1691 |
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1692 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; |
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1693 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; |
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1694 |
507 | 1695 return conf; |
1696 } | |
1697 | |
1698 | |
1699 static char * | |
1700 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
1701 { | |
1702 ngx_http_proxy_loc_conf_t *prev = parent; | |
1703 ngx_http_proxy_loc_conf_t *conf = child; | |
1704 | |
509 | 1705 u_char *p; |
1706 size_t size; | |
1707 uintptr_t *code; | |
1701
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1708 ngx_uint_t i; |
649 | 1709 ngx_keyval_t *src, *s, *h; |
1710 ngx_hash_key_t *hk; | |
1711 ngx_hash_init_t hash; | |
509 | 1712 ngx_http_proxy_redirect_t *pr; |
1713 ngx_http_script_compile_t sc; | |
1714 ngx_http_script_copy_code_t *copy; | |
1715 | |
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1716 if (conf->upstream.store != 0) { |
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1717 ngx_conf_merge_value(conf->upstream.store, |
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1718 prev->upstream.store, 0); |
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1719 |
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|
1720 if (conf->upstream.store_lengths == NULL) { |
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1721 conf->upstream.store_lengths = prev->upstream.store_lengths; |
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1722 conf->upstream.store_values = prev->upstream.store_values; |
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1723 } |
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1724 } |
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1725 |
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1726 ngx_conf_merge_uint_value(conf->upstream.store_access, |
5383f5232364
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|
1727 prev->upstream.store_access, 0600); |
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|
1728 |
581 | 1729 ngx_conf_merge_value(conf->upstream.buffering, |
1730 prev->upstream.buffering, 1); | |
1731 | |
629 | 1732 ngx_conf_merge_value(conf->upstream.ignore_client_abort, |
1733 prev->upstream.ignore_client_abort, 0); | |
1734 | |
507 | 1735 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, |
1736 prev->upstream.connect_timeout, 60000); | |
1737 | |
1738 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
1739 prev->upstream.send_timeout, 60000); | |
1740 | |
1741 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
1742 prev->upstream.read_timeout, 60000); | |
1743 | |
1744 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
1745 prev->upstream.send_lowat, 0); | |
1746 | |
581 | 1747 ngx_conf_merge_size_value(conf->upstream.buffer_size, |
1748 prev->upstream.buffer_size, | |
507 | 1749 (size_t) ngx_pagesize); |
1750 | |
1751 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
1752 8, ngx_pagesize); | |
1753 | |
1754 if (conf->upstream.bufs.num < 2) { | |
577 | 1755 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
507 | 1756 "there must be at least 2 \"proxy_buffers\""); |
1757 return NGX_CONF_ERROR; | |
1758 } | |
577 | 1759 |
507 | 1760 |
581 | 1761 size = conf->upstream.buffer_size; |
577 | 1762 if (size < conf->upstream.bufs.size) { |
507 | 1763 size = conf->upstream.bufs.size; |
1764 } | |
1765 | |
1766 | |
529 | 1767 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, |
1768 prev->upstream.busy_buffers_size_conf, | |
507 | 1769 NGX_CONF_UNSET_SIZE); |
1770 | |
529 | 1771 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1772 conf->upstream.busy_buffers_size = 2 * size; |
529 | 1773 } else { |
1774 conf->upstream.busy_buffers_size = | |
1775 conf->upstream.busy_buffers_size_conf; | |
1776 } | |
577 | 1777 |
529 | 1778 if (conf->upstream.busy_buffers_size < size) { |
507 | 1779 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1780 "\"proxy_busy_buffers_size\" must be equal or bigger than " | |
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1781 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 1782 "one of the \"proxy_buffers\""); |
1783 | |
1784 return NGX_CONF_ERROR; | |
529 | 1785 } |
507 | 1786 |
529 | 1787 if (conf->upstream.busy_buffers_size |
1788 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
507 | 1789 { |
1790 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1791 "\"proxy_busy_buffers_size\" must be less than " | |
1792 "the size of all \"proxy_buffers\" minus one buffer"); | |
1793 | |
1794 return NGX_CONF_ERROR; | |
1795 } | |
529 | 1796 |
507 | 1797 |
529 | 1798 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, |
1799 prev->upstream.temp_file_write_size_conf, | |
507 | 1800 NGX_CONF_UNSET_SIZE); |
1801 | |
529 | 1802 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1803 conf->upstream.temp_file_write_size = 2 * size; |
529 | 1804 } else { |
1805 conf->upstream.temp_file_write_size = | |
1806 conf->upstream.temp_file_write_size_conf; | |
1807 } | |
577 | 1808 |
529 | 1809 if (conf->upstream.temp_file_write_size < size) { |
507 | 1810 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1811 "\"proxy_temp_file_write_size\" must be equal or bigger than " | |
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1812 "maximum of the value of \"proxy_buffer_size\" and " |
507 | 1813 "one of the \"proxy_buffers\""); |
1814 | |
1815 return NGX_CONF_ERROR; | |
1816 } | |
1817 | |
529 | 1818 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, |
1819 prev->upstream.max_temp_file_size_conf, | |
507 | 1820 NGX_CONF_UNSET_SIZE); |
1821 | |
529 | 1822 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { |
507 | 1823 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; |
529 | 1824 } else { |
1825 conf->upstream.max_temp_file_size = | |
1826 conf->upstream.max_temp_file_size_conf; | |
1827 } | |
507 | 1828 |
529 | 1829 if (conf->upstream.max_temp_file_size != 0 |
1830 && conf->upstream.max_temp_file_size < size) | |
507 | 1831 { |
1832 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
561 | 1833 "\"proxy_max_temp_file_size\" must be equal to zero to disable " |
507 | 1834 "the temporary files usage or must be equal or bigger than " |
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1835 "maximum of the value of \"proxy_buffer_size\" and " |
561 | 1836 "one of the \"proxy_buffers\""); |
507 | 1837 |
1838 return NGX_CONF_ERROR; | |
1839 } | |
1840 | |
529 | 1841 |
507 | 1842 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, |
1843 prev->upstream.next_upstream, | |
1844 (NGX_CONF_BITMASK_SET | |
1845 |NGX_HTTP_UPSTREAM_FT_ERROR | |
1846 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
1847 | |
665 | 1848 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { |
1849 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
1850 |NGX_HTTP_UPSTREAM_FT_OFF; | |
1851 } | |
1852 | |
509 | 1853 ngx_conf_merge_path_value(conf->upstream.temp_path, |
1854 prev->upstream.temp_path, | |
1855 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0, | |
1856 ngx_garbage_collector_temp_handler, cf); | |
507 | 1857 |
561 | 1858 if (conf->method.len == 0) { |
1859 conf->method = prev->method; | |
1860 | |
1861 } else { | |
1862 conf->method.data[conf->method.len] = ' '; | |
1863 conf->method.len++; | |
509 | 1864 } |
1865 | |
1866 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
1867 prev->upstream.pass_request_headers, 1); | |
1868 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
1869 prev->upstream.pass_request_body, 1); | |
1870 | |
657 | 1871 ngx_conf_merge_value(conf->upstream.intercept_errors, |
1872 prev->upstream.intercept_errors, 0); | |
509 | 1873 |
2184 | 1874 #if (NGX_HTTP_SSL) |
1875 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
1876 prev->upstream.ssl_session_reuse, 1); | |
1877 #endif | |
1878 | |
509 | 1879 ngx_conf_merge_value(conf->redirect, prev->redirect, 1); |
1880 | |
1881 if (conf->redirect) { | |
507 | 1882 |
509 | 1883 if (conf->redirects == NULL) { |
1884 conf->redirects = prev->redirects; | |
1885 } | |
1886 | |
1658 | 1887 if (conf->redirects == NULL && conf->url.data) { |
509 | 1888 |
1889 conf->redirects = ngx_array_create(cf->pool, 1, | |
1890 sizeof(ngx_http_proxy_redirect_t)); | |
1891 if (conf->redirects == NULL) { | |
1892 return NGX_CONF_ERROR; | |
1893 } | |
1894 | |
1895 pr = ngx_array_push(conf->redirects); | |
1896 if (pr == NULL) { | |
1897 return NGX_CONF_ERROR; | |
1898 } | |
1899 | |
1900 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
1658 | 1901 pr->redirect = conf->url; |
1902 | |
1903 if (conf->vars.uri.len) { | |
1904 pr->replacement.text = conf->location; | |
653 | 1905 |
1906 } else { | |
1907 pr->replacement.text.len = 0; | |
1908 pr->replacement.text.data = NULL; | |
1909 } | |
509 | 1910 } |
1911 } | |
1912 | |
1658 | 1913 /* STUB */ |
1914 if (prev->proxy_lengths) { | |
1915 conf->proxy_lengths = prev->proxy_lengths; | |
1916 conf->proxy_values = prev->proxy_values; | |
1917 } | |
1918 | |
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1919 ngx_conf_merge_uint_value(conf->headers_hash_max_size, |
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1920 prev->headers_hash_max_size, 512); |
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1921 |
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1922 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, |
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1923 prev->headers_hash_bucket_size, 64); |
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1924 |
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1925 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size, |
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1926 ngx_cacheline_size); |
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1927 |
1701
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1928 hash.max_size = conf->headers_hash_max_size; |
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1929 hash.bucket_size = conf->headers_hash_bucket_size; |
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1930 hash.name = "proxy_headers_hash"; |
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1931 |
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1932 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, |
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1933 &prev->upstream, |
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1934 ngx_http_proxy_hide_headers, &hash) |
649 | 1935 != NGX_OK) |
1936 { | |
1937 return NGX_CONF_ERROR; | |
1938 } | |
1939 | |
884 | 1940 if (conf->upstream.upstream == NULL) { |
1941 conf->upstream.upstream = prev->upstream.upstream; | |
1658 | 1942 conf->vars = prev->vars; |
507 | 1943 } |
1944 | |
577 | 1945 |
1946 if (conf->body_source.data == NULL) { | |
1947 conf->body_source = prev->body_source; | |
1948 conf->body_set_len = prev->body_set_len; | |
1949 conf->body_set = prev->body_set; | |
1950 } | |
1951 | |
579 | 1952 if (conf->body_source.data && conf->body_set_len == NULL) { |
577 | 1953 |
1954 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1955 | |
1956 sc.cf = cf; | |
1957 sc.source = &conf->body_source; | |
1958 sc.flushes = &conf->flushes; | |
1959 sc.lengths = &conf->body_set_len; | |
1960 sc.values = &conf->body_set; | |
1961 sc.complete_lengths = 1; | |
1962 sc.complete_values = 1; | |
1963 | |
1964 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1965 return NGX_CONF_ERROR; | |
1966 } | |
1967 | |
1968 if (conf->headers_source == NULL) { | |
1969 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 1970 sizeof(ngx_keyval_t)); |
577 | 1971 if (conf->headers_source == NULL) { |
1972 return NGX_CONF_ERROR; | |
1973 } | |
1974 } | |
1975 | |
1976 s = ngx_array_push(conf->headers_source); | |
1977 if (s == NULL) { | |
1978 return NGX_CONF_ERROR; | |
1979 } | |
1980 | |
1981 s->key.len = sizeof("Content-Length") - 1; | |
1982 s->key.data = (u_char *) "Content-Length"; | |
1983 s->value.len = sizeof("$proxy_internal_body_length") - 1; | |
1984 s->value.data = (u_char *) "$proxy_internal_body_length"; | |
1985 } | |
1986 | |
1987 | |
509 | 1988 if (conf->headers_source == NULL) { |
573 | 1989 conf->flushes = prev->flushes; |
507 | 1990 conf->headers_set_len = prev->headers_set_len; |
1991 conf->headers_set = prev->headers_set; | |
1992 conf->headers_set_hash = prev->headers_set_hash; | |
573 | 1993 conf->headers_source = prev->headers_source; |
507 | 1994 } |
1995 | |
649 | 1996 if (conf->headers_set_hash.buckets) { |
509 | 1997 return NGX_CONF_OK; |
1998 } | |
1999 | |
2000 | |
649 | 2001 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t)); |
509 | 2002 if (conf->headers_names == NULL) { |
2003 return NGX_CONF_ERROR; | |
2004 } | |
2005 | |
2006 if (conf->headers_source == NULL) { | |
2007 conf->headers_source = ngx_array_create(cf->pool, 4, | |
649 | 2008 sizeof(ngx_keyval_t)); |
509 | 2009 if (conf->headers_source == NULL) { |
2010 return NGX_CONF_ERROR; | |
2011 } | |
2012 } | |
507 | 2013 |
509 | 2014 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1); |
2015 if (conf->headers_set_len == NULL) { | |
2016 return NGX_CONF_ERROR; | |
2017 } | |
2018 | |
2019 conf->headers_set = ngx_array_create(cf->pool, 512, 1); | |
2020 if (conf->headers_set == NULL) { | |
2021 return NGX_CONF_ERROR; | |
2022 } | |
2023 | |
2024 | |
2025 src = conf->headers_source->elts; | |
2026 | |
2027 for (h = ngx_http_proxy_headers; h->key.len; h++) { | |
2028 | |
2029 for (i = 0; i < conf->headers_source->nelts; i++) { | |
2030 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
2031 goto next; | |
507 | 2032 } |
2033 } | |
2034 | |
509 | 2035 s = ngx_array_push(conf->headers_source); |
2036 if (s == NULL) { | |
507 | 2037 return NGX_CONF_ERROR; |
2038 } | |
2039 | |
509 | 2040 *s = *h; |
507 | 2041 |
517 | 2042 src = conf->headers_source->elts; |
2043 | |
509 | 2044 next: |
507 | 2045 |
509 | 2046 continue; |
2047 } | |
507 | 2048 |
577 | 2049 |
2050 src = conf->headers_source->elts; | |
509 | 2051 for (i = 0; i < conf->headers_source->nelts; i++) { |
507 | 2052 |
649 | 2053 hk = ngx_array_push(conf->headers_names); |
2054 if (hk == NULL) { | |
507 | 2055 return NGX_CONF_ERROR; |
2056 } | |
2057 | |
649 | 2058 hk->key = src[i].key; |
2059 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
2060 hk->value = (void *) 1; | |
509 | 2061 |
519 | 2062 if (src[i].value.len == 0) { |
2063 continue; | |
2064 } | |
2065 | |
509 | 2066 if (ngx_http_script_variables_count(&src[i].value) == 0) { |
2067 copy = ngx_array_push_n(conf->headers_set_len, | |
2068 sizeof(ngx_http_script_copy_code_t)); | |
2069 if (copy == NULL) { | |
2070 return NGX_CONF_ERROR; | |
2071 } | |
2072 | |
2073 copy->code = (ngx_http_script_code_pt) | |
2074 ngx_http_script_copy_len_code; | |
2075 copy->len = src[i].key.len + sizeof(": ") - 1 | |
2076 + src[i].value.len + sizeof(CRLF) - 1; | |
507 | 2077 |
2078 | |
509 | 2079 size = (sizeof(ngx_http_script_copy_code_t) |
2080 + src[i].key.len + sizeof(": ") - 1 | |
2081 + src[i].value.len + sizeof(CRLF) - 1 | |
2082 + sizeof(uintptr_t) - 1) | |
2083 & ~(sizeof(uintptr_t) - 1); | |
2084 | |
2085 copy = ngx_array_push_n(conf->headers_set, size); | |
2086 if (copy == NULL) { | |
2087 return NGX_CONF_ERROR; | |
2088 } | |
2089 | |
2090 copy->code = ngx_http_script_copy_code; | |
2091 copy->len = src[i].key.len + sizeof(": ") - 1 | |
2092 + src[i].value.len + sizeof(CRLF) - 1; | |
2093 | |
2094 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2095 | |
2096 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2097 *p++ = ':'; *p++ = ' '; | |
2098 p = ngx_cpymem(p, src[i].value.data, src[i].value.len); | |
2099 *p++ = CR; *p = LF; | |
2100 | |
2101 } else { | |
2102 copy = ngx_array_push_n(conf->headers_set_len, | |
2103 sizeof(ngx_http_script_copy_code_t)); | |
2104 if (copy == NULL) { | |
2105 return NGX_CONF_ERROR; | |
2106 } | |
2107 | |
2108 copy->code = (ngx_http_script_code_pt) | |
2109 ngx_http_script_copy_len_code; | |
2110 copy->len = src[i].key.len + sizeof(": ") - 1; | |
507 | 2111 |
2112 | |
509 | 2113 size = (sizeof(ngx_http_script_copy_code_t) |
2114 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1) | |
2115 & ~(sizeof(uintptr_t) - 1); | |
2116 | |
2117 copy = ngx_array_push_n(conf->headers_set, size); | |
2118 if (copy == NULL) { | |
2119 return NGX_CONF_ERROR; | |
2120 } | |
2121 | |
2122 copy->code = ngx_http_script_copy_code; | |
2123 copy->len = src[i].key.len + sizeof(": ") - 1; | |
2124 | |
2125 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2126 p = ngx_cpymem(p, src[i].key.data, src[i].key.len); | |
2127 *p++ = ':'; *p = ' '; | |
2128 | |
2129 | |
2130 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2131 | |
2132 sc.cf = cf; | |
2133 sc.source = &src[i].value; | |
573 | 2134 sc.flushes = &conf->flushes; |
509 | 2135 sc.lengths = &conf->headers_set_len; |
2136 sc.values = &conf->headers_set; | |
2137 | |
2138 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2139 return NGX_CONF_ERROR; | |
2140 } | |
2141 | |
2142 | |
2143 copy = ngx_array_push_n(conf->headers_set_len, | |
2144 sizeof(ngx_http_script_copy_code_t)); | |
2145 if (copy == NULL) { | |
2146 return NGX_CONF_ERROR; | |
2147 } | |
2148 | |
2149 copy->code = (ngx_http_script_code_pt) | |
2150 ngx_http_script_copy_len_code; | |
2151 copy->len = sizeof(CRLF) - 1; | |
2152 | |
2153 | |
2154 size = (sizeof(ngx_http_script_copy_code_t) | |
2155 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1) | |
2156 & ~(sizeof(uintptr_t) - 1); | |
2157 | |
2158 copy = ngx_array_push_n(conf->headers_set, size); | |
2159 if (copy == NULL) { | |
2160 return NGX_CONF_ERROR; | |
2161 } | |
2162 | |
2163 copy->code = ngx_http_script_copy_code; | |
2164 copy->len = sizeof(CRLF) - 1; | |
2165 | |
2166 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
2167 *p++ = CR; *p = LF; | |
507 | 2168 } |
2169 | |
509 | 2170 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2171 if (code == NULL) { | |
507 | 2172 return NGX_CONF_ERROR; |
2173 } | |
2174 | |
509 | 2175 *code = (uintptr_t) NULL; |
2176 | |
2177 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t)); | |
2178 if (code == NULL) { | |
2179 return NGX_CONF_ERROR; | |
2180 } | |
2181 | |
2182 *code = (uintptr_t) NULL; | |
507 | 2183 } |
2184 | |
509 | 2185 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t)); |
2186 if (code == NULL) { | |
2187 return NGX_CONF_ERROR; | |
507 | 2188 } |
2189 | |
509 | 2190 *code = (uintptr_t) NULL; |
507 | 2191 |
2192 | |
649 | 2193 hash.hash = &conf->headers_set_hash; |
2194 hash.key = ngx_hash_key_lc; | |
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2195 hash.max_size = conf->headers_hash_max_size; |
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|
2196 hash.bucket_size = conf->headers_hash_bucket_size; |
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|
2197 hash.name = "proxy_headers_hash"; |
649 | 2198 hash.pool = cf->pool; |
2199 hash.temp_pool = NULL; | |
2200 | |
2201 if (ngx_hash_init(&hash, conf->headers_names->elts, | |
2202 conf->headers_names->nelts) | |
2203 != NGX_OK) | |
2204 { | |
2205 return NGX_CONF_ERROR; | |
2206 } | |
2207 | |
509 | 2208 return NGX_CONF_OK; |
507 | 2209 } |
2210 | |
2211 | |
2212 static char * | |
2213 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2214 { | |
509 | 2215 ngx_http_proxy_loc_conf_t *plcf = conf; |
507 | 2216 |
1658 | 2217 size_t add; |
2218 u_short port; | |
2219 ngx_str_t *value, *url; | |
2220 ngx_url_t u; | |
2221 ngx_uint_t n; | |
2222 ngx_http_core_loc_conf_t *clcf; | |
2223 ngx_http_script_compile_t sc; | |
507 | 2224 |
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diff
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|
2225 if (plcf->upstream.upstream || plcf->proxy_lengths) { |
555 | 2226 return "is duplicate"; |
2227 } | |
2228 | |
1658 | 2229 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
2230 | |
507 | 2231 value = cf->args->elts; |
2232 | |
2233 url = &value[1]; | |
2234 | |
1658 | 2235 n = ngx_http_script_variables_count(url); |
2236 | |
2237 if (n) { | |
2238 | |
2239 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2240 | |
2241 sc.cf = cf; | |
2242 sc.source = url; | |
2243 sc.lengths = &plcf->proxy_lengths; | |
2244 sc.values = &plcf->proxy_values; | |
2245 sc.variables = n; | |
2246 sc.complete_lengths = 1; | |
2247 sc.complete_values = 1; | |
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diff
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|
2248 |
1658 | 2249 if (ngx_http_script_compile(&sc) != NGX_OK) { |
2250 return NGX_CONF_ERROR; | |
2251 } | |
2252 | |
2253 #if (NGX_HTTP_SSL) | |
2254 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { | |
2255 return NGX_CONF_ERROR; | |
2256 } | |
2257 #endif | |
2258 | |
2259 clcf->handler = ngx_http_proxy_handler; | |
2260 | |
2261 return NGX_CONF_OK; | |
2262 } | |
2263 | |
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diff
changeset
|
2264 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { |
577 | 2265 add = 7; |
591 | 2266 port = 80; |
577 | 2267 |
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diff
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|
2268 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { |
577 | 2269 |
2270 #if (NGX_HTTP_SSL) | |
1658 | 2271 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) { |
2272 return NGX_CONF_ERROR; | |
2273 } | |
577 | 2274 |
2275 add = 8; | |
591 | 2276 port = 443; |
577 | 2277 #else |
2278 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2279 "https protocol requires SSL support"); | |
2280 return NGX_CONF_ERROR; | |
2281 #endif | |
2282 | |
2283 } else { | |
507 | 2284 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); |
2285 return NGX_CONF_ERROR; | |
2286 } | |
2287 | |
651 | 2288 ngx_memzero(&u, sizeof(ngx_url_t)); |
2289 | |
2290 u.url.len = url->len - add; | |
2291 u.url.data = url->data + add; | |
906 | 2292 u.default_port = port; |
2293 u.uri_part = 1; | |
884 | 2294 u.no_resolve = 1; |
2295 | |
2296 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
2297 if (plcf->upstream.upstream == NULL) { | |
507 | 2298 return NGX_CONF_ERROR; |
2299 } | |
2300 | |
1658 | 2301 if (ngx_http_proxy_set_vars(cf->pool, &u, &plcf->vars) != NGX_OK) { |
2302 return NGX_CONF_ERROR; | |
906 | 2303 } |
2304 | |
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|
2305 plcf->vars.schema.len = add; |
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parents:
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diff
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|
2306 plcf->vars.schema.data = url->data; |
1658 | 2307 plcf->location = clcf->name; |
507 | 2308 |
2309 clcf->handler = ngx_http_proxy_handler; | |
2310 | |
1353 | 2311 if (clcf->named |
507 | 2312 #if (NGX_PCRE) |
1353 | 2313 || clcf->regex |
2314 #endif | |
2315 || clcf->noname) | |
2316 { | |
1658 | 2317 if (plcf->vars.uri.len) { |
573 | 2318 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2319 "\"proxy_pass\" may not have URI part in " | |
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diff
changeset
|
2320 "location given by regular expression, " |
1353 | 2321 "or inside named location, " |
843
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parents:
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diff
changeset
|
2322 "or inside the \"if\" statement, " |
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parents:
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diff
changeset
|
2323 "or inside the \"limit_except\" block"); |
573 | 2324 return NGX_CONF_ERROR; |
2325 } | |
2326 | |
1658 | 2327 plcf->location.len = 0; |
555 | 2328 } |
2329 | |
1658 | 2330 plcf->url = *url; |
509 | 2331 |
507 | 2332 if (clcf->name.data[clcf->name.len - 1] == '/') { |
2333 clcf->auto_redirect = 1; | |
2334 } | |
2335 | |
2336 return NGX_CONF_OK; | |
2337 } | |
2338 | |
2339 | |
2340 static char * | |
509 | 2341 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
507 | 2342 { |
509 | 2343 ngx_http_proxy_loc_conf_t *plcf = conf; |
2344 | |
2345 ngx_str_t *value; | |
2346 ngx_array_t *vars_lengths, *vars_values; | |
2347 ngx_http_script_compile_t sc; | |
2348 ngx_http_proxy_redirect_t *pr; | |
2349 | |
2350 if (plcf->redirect == 0) { | |
2351 return NGX_CONF_OK; | |
2352 } | |
2353 | |
2354 value = cf->args->elts; | |
2355 | |
2356 if (ngx_strcmp(value[1].data, "off") == 0) { | |
2357 plcf->redirect = 0; | |
2358 plcf->redirects = NULL; | |
2359 return NGX_CONF_OK; | |
2360 } | |
2361 | |
2362 if (plcf->redirects == NULL) { | |
2363 plcf->redirects = ngx_array_create(cf->pool, 1, | |
2364 sizeof(ngx_http_proxy_redirect_t)); | |
2365 if (plcf->redirects == NULL) { | |
2366 return NGX_CONF_ERROR; | |
2367 } | |
2368 } | |
2369 | |
2370 pr = ngx_array_push(plcf->redirects); | |
2371 if (pr == NULL) { | |
2372 return NGX_CONF_ERROR; | |
2373 } | |
2374 | |
2375 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) { | |
1658 | 2376 if (plcf->url.data == NULL) { |
509 | 2377 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2378 "\"proxy_rewrite_location default\" must go " | |
2379 "after the \"proxy_pass\" directive"); | |
2380 return NGX_CONF_ERROR; | |
2381 } | |
2382 | |
2383 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
1658 | 2384 pr->redirect = plcf->url; |
2385 | |
2386 if (plcf->vars.uri.len) { | |
2387 pr->replacement.text = plcf->location; | |
653 | 2388 |
2389 } else { | |
2390 pr->replacement.text.len = 0; | |
2391 pr->replacement.text.data = NULL; | |
2392 } | |
509 | 2393 |
2394 return NGX_CONF_OK; | |
2395 } | |
2396 | |
2397 if (ngx_http_script_variables_count(&value[2]) == 0) { | |
2398 pr->handler = ngx_http_proxy_rewrite_redirect_text; | |
2399 pr->redirect = value[1]; | |
2400 pr->replacement.text = value[2]; | |
2401 | |
2402 return NGX_CONF_OK; | |
2403 } | |
2404 | |
2405 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
2406 | |
2407 vars_lengths = NULL; | |
2408 vars_values = NULL; | |
2409 | |
2410 sc.cf = cf; | |
2411 sc.source = &value[2]; | |
2412 sc.lengths = &vars_lengths; | |
2413 sc.values = &vars_values; | |
2414 sc.complete_lengths = 1; | |
2415 sc.complete_values = 1; | |
2416 | |
2417 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
2418 return NGX_CONF_ERROR; | |
2419 } | |
2420 | |
2421 pr->handler = ngx_http_proxy_rewrite_redirect_vars; | |
2422 pr->redirect = value[1]; | |
2423 pr->replacement.vars.lengths = vars_lengths->elts; | |
2424 pr->replacement.vars.values = vars_values->elts; | |
2425 | |
507 | 2426 return NGX_CONF_OK; |
2427 } | |
2428 | |
2429 | |
2430 static char * | |
1295
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proxy_store and fastcgi_store were changed,
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diff
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|
2431 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
5383f5232364
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diff
changeset
|
2432 { |
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diff
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|
2433 ngx_http_proxy_loc_conf_t *plcf = conf; |
5383f5232364
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diff
changeset
|
2434 |
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diff
changeset
|
2435 ngx_str_t *value; |
5383f5232364
proxy_store and fastcgi_store were changed,
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parents:
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diff
changeset
|
2436 ngx_http_script_compile_t sc; |
5383f5232364
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|
2437 |
5383f5232364
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diff
changeset
|
2438 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths) |
5383f5232364
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diff
changeset
|
2439 { |
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diff
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|
2440 return "is duplicate"; |
5383f5232364
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parents:
1291
diff
changeset
|
2441 } |
5383f5232364
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diff
changeset
|
2442 |
5383f5232364
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diff
changeset
|
2443 value = cf->args->elts; |
5383f5232364
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parents:
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diff
changeset
|
2444 |
5383f5232364
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parents:
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diff
changeset
|
2445 if (ngx_strcmp(value[1].data, "on") == 0) { |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2446 plcf->upstream.store = 1; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2447 return NGX_CONF_OK; |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2448 } |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2449 |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2450 if (ngx_strcmp(value[1].data, "off") == 0) { |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2451 plcf->upstream.store = 0; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2452 return NGX_CONF_OK; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2453 } |
5383f5232364
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parents:
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diff
changeset
|
2454 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2455 /* include the terminating '\0' into script */ |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2456 value[1].len++; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2457 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2458 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2459 |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2460 sc.cf = cf; |
5383f5232364
proxy_store and fastcgi_store were changed,
Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2461 sc.source = &value[1]; |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2462 sc.lengths = &plcf->upstream.store_lengths; |
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
1291
diff
changeset
|
2463 sc.values = &plcf->upstream.store_values; |
1563
022ec9420f80
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Igor Sysoev <igor@sysoev.ru>
parents:
1488
diff
changeset
|
2464 sc.variables = ngx_http_script_variables_count(&value[1]); |
1295
5383f5232364
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
2465 sc.complete_lengths = 1; |
5383f5232364
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parents:
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diff
changeset
|
2466 sc.complete_values = 1; |
5383f5232364
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parents:
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diff
changeset
|
2467 |
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diff
changeset
|
2468 if (ngx_http_script_compile(&sc) != NGX_OK) { |
5383f5232364
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parents:
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diff
changeset
|
2469 return NGX_CONF_ERROR; |
5383f5232364
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parents:
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diff
changeset
|
2470 } |
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diff
changeset
|
2471 |
5383f5232364
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diff
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|
2472 return NGX_CONF_OK; |
5383f5232364
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parents:
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|
2473 } |
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|
2474 |
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changeset
|
2475 |
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|
2476 static char * |
507 | 2477 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) |
2478 { | |
2479 #if (NGX_FREEBSD) | |
2480 ssize_t *np = data; | |
2481 | |
673 | 2482 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { |
507 | 2483 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
2484 "\"proxy_send_lowat\" must be less than %d " | |
2485 "(sysctl net.inet.tcp.sendspace)", | |
2486 ngx_freebsd_net_inet_tcp_sendspace); | |
2487 | |
2488 return NGX_CONF_ERROR; | |
2489 } | |
2490 | |
2491 #elif !(NGX_HAVE_SO_SNDLOWAT) | |
2492 ssize_t *np = data; | |
2493 | |
2494 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
2495 "\"proxy_send_lowat\" is not supported, ignored"); | |
2496 | |
2497 *np = 0; | |
2498 | |
2499 #endif | |
2500 | |
2501 return NGX_CONF_OK; | |
2502 } | |
884 | 2503 |
2504 | |
2505 static char * | |
2506 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf, | |
2507 ngx_command_t *cmd, void *conf) | |
2508 { | |
2509 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2510 "\"proxy_upstream_max_fails\" is not supported, " | |
2511 "use the \"max_fails\" parameter of the \"server\" directive ", | |
2512 "inside the \"upstream\" block"); | |
2513 | |
2514 return NGX_CONF_ERROR; | |
2515 } | |
2516 | |
2517 | |
2518 static char * | |
2519 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf, | |
2520 ngx_command_t *cmd, void *conf) | |
2521 { | |
2522 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2523 "\"proxy_upstream_fail_timeout\" is not supported, " | |
2524 "use the \"fail_timeout\" parameter of the \"server\" directive ", | |
2525 "inside the \"upstream\" block"); | |
2526 | |
2527 return NGX_CONF_ERROR; | |
2528 } | |
1658 | 2529 |
2530 | |
2531 #if (NGX_HTTP_SSL) | |
2532 | |
2533 static ngx_int_t | |
2534 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf) | |
2535 { | |
2536 ngx_pool_cleanup_t *cln; | |
2537 | |
2538 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
2539 if (plcf->upstream.ssl == NULL) { | |
2540 return NGX_ERROR; | |
2541 } | |
2542 | |
2543 plcf->upstream.ssl->log = cf->log; | |
2544 | |
2545 if (ngx_ssl_create(plcf->upstream.ssl, | |
2546 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL) | |
2547 != NGX_OK) | |
2548 { | |
2549 return NGX_ERROR; | |
2550 } | |
2551 | |
2552 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
2553 if (cln == NULL) { | |
2554 return NGX_ERROR; | |
2555 } | |
2556 | |
2557 cln->handler = ngx_ssl_cleanup_ctx; | |
2558 cln->data = plcf->upstream.ssl; | |
2559 | |
2560 return NGX_OK; | |
2561 } | |
2562 | |
2563 #endif | |
2564 | |
2565 | |
2566 static ngx_int_t | |
2567 ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u, | |
2568 ngx_http_proxy_vars_t *v) | |
2569 { | |
2203
8e5bf1bc87e2
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
2570 if (u->family != AF_UNIX) { |
1658 | 2571 if (u->no_port || u->port == u->default_port) { |
2572 v->host_header = u->host; | |
2573 | |
2574 if (u->default_port == 80) { | |
2575 v->port.len = sizeof("80") - 1; | |
2576 v->port.data = (u_char *) "80"; | |
2577 | |
2578 } else { | |
2579 v->port.len = sizeof("443") - 1; | |
2580 v->port.data = (u_char *) "443"; | |
2581 } | |
2582 | |
2583 } else { | |
1671
8075179cae21
ngx_parse_url() saves port text, this allows to use it in proxy host header
Igor Sysoev <igor@sysoev.ru>
parents:
1667
diff
changeset
|
2584 v->host_header.len = u->host.len + 1 + u->port_text.len; |
8075179cae21
ngx_parse_url() saves port text, this allows to use it in proxy host header
Igor Sysoev <igor@sysoev.ru>
parents:
1667
diff
changeset
|
2585 v->host_header.data = u->host.data; |
8075179cae21
ngx_parse_url() saves port text, this allows to use it in proxy host header
Igor Sysoev <igor@sysoev.ru>
parents:
1667
diff
changeset
|
2586 v->port = u->port_text; |
1658 | 2587 } |
2588 | |
2589 } else { | |
2590 v->host_header.len = sizeof("localhost") - 1; | |
2591 v->host_header.data = (u_char *) "localhost"; | |
2592 v->port.len = 0; | |
2593 v->port.data = (u_char *) ""; | |
2594 } | |
2595 | |
2596 v->uri = u->uri; | |
2597 | |
2598 return NGX_OK; | |
2599 } |