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