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