|
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 {
|
|
200
|
36 ngx_http_upstream_conf_t upstream;
|
|
|
37
|
|
|
38 ngx_array_t *flushes;
|
|
|
39 ngx_array_t *body_set_len;
|
|
|
40 ngx_array_t *body_set;
|
|
|
41 ngx_array_t *headers_set_len;
|
|
|
42 ngx_array_t *headers_set;
|
|
|
43 ngx_hash_t headers_set_hash;
|
|
|
44
|
|
|
45 ngx_array_t *headers_source;
|
|
|
46 ngx_array_t *headers_names;
|
|
|
47
|
|
|
48 ngx_array_t *redirects;
|
|
|
49
|
|
|
50 ngx_str_t body_source;
|
|
|
51
|
|
|
52 ngx_str_t method;
|
|
|
53 ngx_str_t host_header;
|
|
266
|
54 ngx_str_t port;
|
|
200
|
55
|
|
|
56 ngx_flag_t redirect;
|
|
298
|
57
|
|
|
58 ngx_uint_t headers_hash_max_size;
|
|
|
59 ngx_uint_t headers_hash_bucket_size;
|
|
58
|
60 } ngx_http_proxy_loc_conf_t;
|
|
|
61
|
|
|
62
|
|
|
63 typedef struct {
|
|
200
|
64 ngx_uint_t status;
|
|
|
65 ngx_uint_t status_count;
|
|
|
66 u_char *status_start;
|
|
|
67 u_char *status_end;
|
|
|
68
|
|
|
69 size_t internal_body_length;
|
|
58
|
70 } ngx_http_proxy_ctx_t;
|
|
|
71
|
|
|
72
|
|
|
73 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
|
|
|
74
|
|
|
75
|
|
|
76 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
|
|
|
77 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
|
|
|
78 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
|
|
|
79 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
80 ngx_http_proxy_ctx_t *p);
|
|
|
81 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
|
|
|
82 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
|
|
|
83 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
|
|
|
84 ngx_int_t rc);
|
|
|
85
|
|
122
|
86 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
87 ngx_http_variable_value_t *v, uintptr_t data);
|
|
|
88 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
89 ngx_http_variable_value_t *v, uintptr_t data);
|
|
|
90 static ngx_int_t
|
|
58
|
91 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
92 ngx_http_variable_value_t *v, uintptr_t data);
|
|
126
|
93 static ngx_int_t
|
|
|
94 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
95 ngx_http_variable_value_t *v, uintptr_t data);
|
|
58
|
96 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
|
|
|
97 ngx_table_elt_t *h, size_t prefix);
|
|
|
98
|
|
|
99 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
|
|
|
100 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
|
|
|
101 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
|
|
|
102 void *parent, void *child);
|
|
|
103
|
|
|
104 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
105 void *conf);
|
|
|
106 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
107 void *conf);
|
|
|
108
|
|
|
109 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
|
|
|
110
|
|
260
|
111 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
112 ngx_command_t *cmd, void *conf);
|
|
|
113 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
114 ngx_command_t *cmd, void *conf);
|
|
|
115
|
|
58
|
116
|
|
|
117 static ngx_conf_post_t ngx_http_proxy_lowat_post =
|
|
|
118 { ngx_http_proxy_lowat_check };
|
|
|
119
|
|
130
|
120 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
|
|
|
121 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
|
|
|
122 };
|
|
|
123
|
|
206
|
124 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = {
|
|
|
125 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors"
|
|
|
126 };
|
|
|
127
|
|
58
|
128
|
|
|
129 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
|
|
|
130 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
|
|
|
131 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
|
|
|
132 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
|
|
|
133 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
|
|
172
|
134 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
|
|
58
|
135 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
|
|
214
|
136 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
|
|
58
|
137 { ngx_null_string, 0 }
|
|
|
138 };
|
|
|
139
|
|
|
140
|
|
|
141 static ngx_command_t ngx_http_proxy_commands[] = {
|
|
|
142
|
|
|
143 { ngx_string("proxy_pass"),
|
|
256
|
144 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
|
|
58
|
145 ngx_http_proxy_pass,
|
|
|
146 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
147 0,
|
|
|
148 NULL },
|
|
|
149
|
|
|
150 { ngx_string("proxy_redirect"),
|
|
|
151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
|
|
|
152 ngx_http_proxy_redirect,
|
|
|
153 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
154 0,
|
|
|
155 NULL },
|
|
|
156
|
|
130
|
157 { ngx_string("proxy_buffering"),
|
|
|
158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
159 ngx_conf_set_flag_slot,
|
|
|
160 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
161 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
|
|
|
162 NULL },
|
|
|
163
|
|
178
|
164 { ngx_string("proxy_ignore_client_abort"),
|
|
|
165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
166 ngx_conf_set_flag_slot,
|
|
|
167 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
168 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
|
|
|
169 NULL },
|
|
|
170
|
|
58
|
171 { ngx_string("proxy_connect_timeout"),
|
|
|
172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
173 ngx_conf_set_msec_slot,
|
|
|
174 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
175 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
|
|
|
176 NULL },
|
|
|
177
|
|
|
178 { ngx_string("proxy_send_timeout"),
|
|
|
179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
180 ngx_conf_set_msec_slot,
|
|
|
181 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
182 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
|
|
|
183 NULL },
|
|
|
184
|
|
|
185 { ngx_string("proxy_send_lowat"),
|
|
|
186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
187 ngx_conf_set_size_slot,
|
|
|
188 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
189 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
|
|
|
190 &ngx_http_proxy_lowat_post },
|
|
|
191
|
|
206
|
192 { ngx_string("proxy_intercept_errors"),
|
|
|
193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
194 ngx_conf_set_flag_slot,
|
|
|
195 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
196 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
|
|
|
197 NULL },
|
|
|
198
|
|
58
|
199 { ngx_string("proxy_redirect_errors"),
|
|
|
200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
201 ngx_conf_set_flag_slot,
|
|
|
202 NGX_HTTP_LOC_CONF_OFFSET,
|
|
206
|
203 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
|
|
|
204 &ngx_conf_deprecated_proxy_redirect_errors },
|
|
58
|
205
|
|
|
206 { ngx_string("proxy_set_header"),
|
|
|
207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
198
|
208 ngx_conf_set_keyval_slot,
|
|
58
|
209 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
210 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
|
|
|
211 NULL },
|
|
|
212
|
|
298
|
213 { ngx_string("proxy_headers_hash_max_size"),
|
|
|
214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
215 ngx_conf_set_num_slot,
|
|
|
216 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
217 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
|
|
|
218 NULL },
|
|
|
219
|
|
|
220 { ngx_string("proxy_headers_hash_bucket_size"),
|
|
|
221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
222 ngx_conf_set_num_slot,
|
|
|
223 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
224 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
|
|
|
225 NULL },
|
|
|
226
|
|
126
|
227 { ngx_string("proxy_set_body"),
|
|
|
228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
229 ngx_conf_set_str_slot,
|
|
|
230 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
231 offsetof(ngx_http_proxy_loc_conf_t, body_source),
|
|
|
232 NULL },
|
|
|
233
|
|
58
|
234 { ngx_string("proxy_method"),
|
|
|
235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
110
|
236 ngx_conf_set_str_slot,
|
|
58
|
237 NGX_HTTP_LOC_CONF_OFFSET,
|
|
110
|
238 offsetof(ngx_http_proxy_loc_conf_t, method),
|
|
|
239 NULL },
|
|
58
|
240
|
|
|
241 { ngx_string("proxy_pass_request_headers"),
|
|
|
242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
243 ngx_conf_set_flag_slot,
|
|
|
244 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
245 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
|
|
|
246 NULL },
|
|
|
247
|
|
|
248 { ngx_string("proxy_pass_request_body"),
|
|
|
249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
250 ngx_conf_set_flag_slot,
|
|
|
251 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
252 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
|
|
|
253 NULL },
|
|
|
254
|
|
130
|
255 { ngx_string("proxy_buffer_size"),
|
|
|
256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
257 ngx_conf_set_size_slot,
|
|
|
258 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
259 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
|
|
|
260 NULL },
|
|
|
261
|
|
58
|
262 { ngx_string("proxy_header_buffer_size"),
|
|
|
263 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
264 ngx_conf_set_size_slot,
|
|
|
265 NGX_HTTP_LOC_CONF_OFFSET,
|
|
130
|
266 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
|
|
|
267 &ngx_conf_deprecated_proxy_header_buffer_size },
|
|
58
|
268
|
|
|
269 { ngx_string("proxy_read_timeout"),
|
|
|
270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
271 ngx_conf_set_msec_slot,
|
|
|
272 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
273 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
|
|
|
274 NULL },
|
|
|
275
|
|
|
276 { ngx_string("proxy_buffers"),
|
|
|
277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
|
278 ngx_conf_set_bufs_slot,
|
|
|
279 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
280 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
|
|
|
281 NULL },
|
|
|
282
|
|
|
283 { ngx_string("proxy_busy_buffers_size"),
|
|
|
284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
285 ngx_conf_set_size_slot,
|
|
|
286 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
287 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
|
|
58
|
288 NULL },
|
|
|
289
|
|
|
290 { ngx_string("proxy_temp_path"),
|
|
|
291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
292 ngx_conf_set_path_slot,
|
|
|
293 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
294 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
|
295 (void *) ngx_garbage_collector_temp_handler },
|
|
|
296
|
|
|
297 { ngx_string("proxy_max_temp_file_size"),
|
|
|
298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
299 ngx_conf_set_size_slot,
|
|
|
300 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
301 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
302 NULL },
|
|
|
303
|
|
|
304 { ngx_string("proxy_temp_file_write_size"),
|
|
|
305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
306 ngx_conf_set_size_slot,
|
|
|
307 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
308 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
309 NULL },
|
|
|
310
|
|
|
311 { ngx_string("proxy_next_upstream"),
|
|
96
|
312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
313 ngx_conf_set_bitmask_slot,
|
|
|
314 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
315 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
316 &ngx_http_proxy_next_upstream_masks },
|
|
|
317
|
|
110
|
318 { ngx_string("proxy_upstream_max_fails"),
|
|
|
319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
320 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
321 0,
|
|
|
322 0,
|
|
110
|
323 NULL },
|
|
|
324
|
|
|
325 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
327 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
328 0,
|
|
|
329 0,
|
|
110
|
330 NULL },
|
|
|
331
|
|
198
|
332 { ngx_string("proxy_pass_header"),
|
|
58
|
333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
334 ngx_conf_set_str_array_slot,
|
|
58
|
335 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
336 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
337 NULL },
|
|
|
338
|
|
198
|
339 { ngx_string("proxy_hide_header"),
|
|
58
|
340 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
341 ngx_conf_set_str_array_slot,
|
|
58
|
342 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
343 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
344 NULL },
|
|
|
345
|
|
|
346 ngx_null_command
|
|
|
347 };
|
|
|
348
|
|
|
349
|
|
216
|
350 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
351 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
352 NULL, /* postconfiguration */
|
|
|
353
|
|
|
354 NULL, /* create main configuration */
|
|
|
355 NULL, /* init main configuration */
|
|
|
356
|
|
|
357 NULL, /* create server configuration */
|
|
|
358 NULL, /* merge server configuration */
|
|
|
359
|
|
|
360 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
361 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
362 };
|
|
|
363
|
|
|
364
|
|
|
365 ngx_module_t ngx_http_proxy_module = {
|
|
|
366 NGX_MODULE_V1,
|
|
|
367 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
368 ngx_http_proxy_commands, /* module directives */
|
|
|
369 NGX_HTTP_MODULE, /* module type */
|
|
90
|
370 NULL, /* init master */
|
|
58
|
371 NULL, /* init module */
|
|
90
|
372 NULL, /* init process */
|
|
|
373 NULL, /* init thread */
|
|
|
374 NULL, /* exit thread */
|
|
|
375 NULL, /* exit process */
|
|
|
376 NULL, /* exit master */
|
|
|
377 NGX_MODULE_V1_PADDING
|
|
58
|
378 };
|
|
|
379
|
|
|
380
|
|
|
381 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
382
|
|
|
383
|
|
198
|
384 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
385 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
386 { ngx_string("Connection"), ngx_string("close") },
|
|
|
387 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
388 { ngx_null_string, ngx_null_string }
|
|
|
389 };
|
|
|
390
|
|
|
391
|
|
|
392 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
393 ngx_string("Date"),
|
|
|
394 ngx_string("Server"),
|
|
|
395 ngx_string("X-Pad"),
|
|
|
396 ngx_string("X-Accel-Expires"),
|
|
|
397 ngx_string("X-Accel-Redirect"),
|
|
|
398 ngx_string("X-Accel-Limit-Rate"),
|
|
|
399 ngx_string("X-Accel-Buffer"),
|
|
|
400 ngx_null_string
|
|
58
|
401 };
|
|
|
402
|
|
|
403
|
|
|
404 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
405
|
|
186
|
406 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
132
|
407 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
408
|
|
186
|
409 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
132
|
410 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
411
|
|
186
|
412 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
413 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
414
|
|
|
415 #if 0
|
|
186
|
416 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
417 #endif
|
|
|
418
|
|
186
|
419 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
420 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
421
|
|
186
|
422 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
423 };
|
|
|
424
|
|
|
425
|
|
|
426 static ngx_int_t
|
|
|
427 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
428 {
|
|
58
|
429 ngx_int_t rc;
|
|
|
430 ngx_http_upstream_t *u;
|
|
|
431 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
432
|
|
58
|
433 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
434
|
|
58
|
435 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
436 if (u == NULL) {
|
|
|
437 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
438 }
|
|
126
|
439
|
|
58
|
440 u->peer.log = r->connection->log;
|
|
|
441 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
442 #if (NGX_THREADS)
|
|
|
443 u->peer.lock = &r->connection->lock;
|
|
|
444 #endif
|
|
|
445
|
|
|
446 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
447
|
|
|
448 u->conf = &plcf->upstream;
|
|
|
449
|
|
|
450 u->create_request = ngx_http_proxy_create_request;
|
|
|
451 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
452 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
453 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
454 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
455
|
|
|
456 if (plcf->redirects) {
|
|
|
457 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
458 }
|
|
|
459
|
|
198
|
460 u->buffering = plcf->upstream.buffering;
|
|
|
461
|
|
|
462 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
463 if (u->pipe == NULL) {
|
|
|
464 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
465 }
|
|
58
|
466
|
|
198
|
467 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
468
|
|
58
|
469 u->accel = 1;
|
|
126
|
470
|
|
58
|
471 r->upstream = u;
|
|
|
472
|
|
|
473 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
474
|
|
|
475 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
476 return rc;
|
|
|
477 }
|
|
|
478
|
|
|
479 return NGX_DONE;
|
|
|
480 }
|
|
|
481
|
|
|
482
|
|
|
483 static ngx_int_t
|
|
|
484 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
485 {
|
|
126
|
486 size_t len, loc_len, body_len;
|
|
58
|
487 uintptr_t escape;
|
|
|
488 ngx_buf_t *b;
|
|
198
|
489 ngx_str_t method;
|
|
|
490 ngx_uint_t i, unparsed_uri;
|
|
58
|
491 ngx_chain_t *cl, *body;
|
|
|
492 ngx_list_part_t *part;
|
|
|
493 ngx_table_elt_t *header;
|
|
|
494 ngx_http_upstream_t *u;
|
|
126
|
495 ngx_http_proxy_ctx_t *p;
|
|
58
|
496 ngx_http_script_code_pt code;
|
|
|
497 ngx_http_script_engine_t e, le;
|
|
|
498 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
499 ngx_http_script_len_code_pt lcode;
|
|
|
500
|
|
|
501 u = r->upstream;
|
|
|
502
|
|
|
503 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
504
|
|
126
|
505 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
506 if (p == NULL) {
|
|
|
507 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
508 }
|
|
|
509
|
|
|
510 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
511
|
|
58
|
512 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
513
|
|
110
|
514 if (u->method.len) {
|
|
|
515 /* HEAD was changed to GET to cache response */
|
|
|
516 method = u->method;
|
|
|
517 method.len++;
|
|
|
518
|
|
|
519 } else if (plcf->method.len) {
|
|
|
520 method = plcf->method;
|
|
|
521
|
|
58
|
522 } else {
|
|
110
|
523 method = r->method_name;
|
|
|
524 method.len++;
|
|
58
|
525 }
|
|
|
526
|
|
110
|
527 len += method.len + u->conf->uri.len;
|
|
|
528
|
|
58
|
529 escape = 0;
|
|
|
530
|
|
176
|
531 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
532 0;
|
|
58
|
533
|
|
158
|
534 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
535 unparsed_uri = 1;
|
|
88
|
536 len += r->unparsed_uri.len;
|
|
58
|
537
|
|
|
538 } else {
|
|
158
|
539 unparsed_uri = 0;
|
|
58
|
540 if (r->quoted_uri) {
|
|
|
541 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
542 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
543 }
|
|
|
544
|
|
|
545 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
546 }
|
|
|
547
|
|
122
|
548 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
549
|
|
126
|
550 if (plcf->body_set_len) {
|
|
|
551 le.ip = plcf->body_set_len->elts;
|
|
|
552 le.request = r;
|
|
|
553 le.flushed = 1;
|
|
|
554 body_len = 0;
|
|
|
555
|
|
|
556 while (*(uintptr_t *) le.ip) {
|
|
|
557 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
558 body_len += lcode(&le);
|
|
|
559 }
|
|
|
560
|
|
|
561 p->internal_body_length = body_len;
|
|
|
562 len += body_len;
|
|
|
563 }
|
|
|
564
|
|
58
|
565 le.ip = plcf->headers_set_len->elts;
|
|
|
566 le.request = r;
|
|
122
|
567 le.flushed = 1;
|
|
58
|
568
|
|
|
569 while (*(uintptr_t *) le.ip) {
|
|
|
570 while (*(uintptr_t *) le.ip) {
|
|
|
571 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
572 len += lcode(&le);
|
|
|
573 }
|
|
|
574 le.ip += sizeof(uintptr_t);
|
|
|
575 }
|
|
|
576
|
|
|
577
|
|
|
578 if (plcf->upstream.pass_request_headers) {
|
|
|
579 part = &r->headers_in.headers.part;
|
|
|
580 header = part->elts;
|
|
|
581
|
|
|
582 for (i = 0; /* void */; i++) {
|
|
|
583
|
|
|
584 if (i >= part->nelts) {
|
|
|
585 if (part->next == NULL) {
|
|
|
586 break;
|
|
|
587 }
|
|
|
588
|
|
|
589 part = part->next;
|
|
|
590 header = part->elts;
|
|
126
|
591 i = 0;
|
|
58
|
592 }
|
|
|
593
|
|
198
|
594 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
595 header[i].lowcase_key, header[i].key.len))
|
|
58
|
596 {
|
|
|
597 continue;
|
|
|
598 }
|
|
|
599
|
|
|
600 len += header[i].key.len + sizeof(": ") - 1
|
|
|
601 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
602 }
|
|
|
603 }
|
|
|
604
|
|
|
605
|
|
|
606 b = ngx_create_temp_buf(r->pool, len);
|
|
|
607 if (b == NULL) {
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610
|
|
|
611 cl = ngx_alloc_chain_link(r->pool);
|
|
|
612 if (cl == NULL) {
|
|
|
613 return NGX_ERROR;
|
|
|
614 }
|
|
|
615
|
|
|
616 cl->buf = b;
|
|
|
617
|
|
|
618
|
|
|
619 /* the request line */
|
|
|
620
|
|
122
|
621 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
622
|
|
104
|
623 u->uri.data = b->last;
|
|
|
624
|
|
158
|
625 if (unparsed_uri) {
|
|
122
|
626 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
627
|
|
58
|
628 } else {
|
|
104
|
629 if (r->valid_location) {
|
|
122
|
630 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
631 }
|
|
100
|
632
|
|
58
|
633 if (escape) {
|
|
|
634 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
635 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
636 b->last += r->uri.len - loc_len + escape;
|
|
|
637
|
|
126
|
638 } else {
|
|
122
|
639 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
640 r->uri.len - loc_len);
|
|
58
|
641 }
|
|
|
642
|
|
|
643 if (r->args.len > 0) {
|
|
|
644 *b->last++ = '?';
|
|
122
|
645 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
646 }
|
|
|
647 }
|
|
|
648
|
|
104
|
649 u->uri.len = b->last - u->uri.data;
|
|
|
650
|
|
58
|
651 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
652 sizeof(ngx_http_proxy_version) - 1);
|
|
|
653
|
|
126
|
654 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
655
|
|
|
656 e.ip = plcf->headers_set->elts;
|
|
|
657 e.pos = b->last;
|
|
|
658 e.request = r;
|
|
122
|
659 e.flushed = 1;
|
|
58
|
660
|
|
|
661 le.ip = plcf->headers_set_len->elts;
|
|
|
662
|
|
|
663 while (*(uintptr_t *) le.ip) {
|
|
|
664 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
665
|
|
|
666 /* skip the header line name length */
|
|
|
667 (void) lcode(&le);
|
|
58
|
668
|
|
|
669 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
670
|
|
|
671 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
672 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
673 }
|
|
|
674
|
|
|
675 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
676
|
|
|
677 } else {
|
|
|
678 e.skip = 0;
|
|
|
679 }
|
|
|
680
|
|
|
681 le.ip += sizeof(uintptr_t);
|
|
|
682
|
|
|
683 while (*(uintptr_t *) e.ip) {
|
|
|
684 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
685 code((ngx_http_script_engine_t *) &e);
|
|
126
|
686 }
|
|
58
|
687 e.ip += sizeof(uintptr_t);
|
|
|
688 }
|
|
|
689
|
|
|
690 b->last = e.pos;
|
|
|
691
|
|
|
692
|
|
|
693 if (plcf->upstream.pass_request_headers) {
|
|
|
694 part = &r->headers_in.headers.part;
|
|
|
695 header = part->elts;
|
|
126
|
696
|
|
58
|
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
|
|
122
|
715 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
716
|
|
|
717 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
718
|
|
122
|
719 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
720 header[i].value.len);
|
|
58
|
721
|
|
|
722 *b->last++ = CR; *b->last++ = LF;
|
|
|
723
|
|
|
724 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
725 "http proxy header: \"%V: %V\"",
|
|
|
726 &header[i].key, &header[i].value);
|
|
|
727 }
|
|
|
728 }
|
|
|
729
|
|
126
|
730
|
|
58
|
731 /* add "\r\n" at the header end */
|
|
|
732 *b->last++ = CR; *b->last++ = LF;
|
|
|
733
|
|
126
|
734 if (plcf->body_set) {
|
|
|
735 e.ip = plcf->body_set->elts;
|
|
|
736 e.pos = b->last;
|
|
|
737
|
|
|
738 while (*(uintptr_t *) e.ip) {
|
|
|
739 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
740 code((ngx_http_script_engine_t *) &e);
|
|
|
741 }
|
|
128
|
742
|
|
|
743 b->last = e.pos;
|
|
126
|
744 }
|
|
|
745
|
|
58
|
746 #if (NGX_DEBUG)
|
|
|
747 {
|
|
|
748 ngx_str_t s;
|
|
|
749
|
|
|
750 s.len = b->last - b->pos;
|
|
|
751 s.data = b->pos;
|
|
|
752 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
753 "http proxy header:\n\"%V\"", &s);
|
|
|
754 }
|
|
|
755 #endif
|
|
|
756
|
|
126
|
757 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
758
|
|
|
759 body = u->request_bufs;
|
|
|
760 u->request_bufs = cl;
|
|
|
761
|
|
|
762 while (body) {
|
|
|
763 b = ngx_alloc_buf(r->pool);
|
|
|
764 if (b == NULL) {
|
|
|
765 return NGX_ERROR;
|
|
|
766 }
|
|
|
767
|
|
|
768 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
769
|
|
|
770 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
771 if (cl->next == NULL) {
|
|
|
772 return NGX_ERROR;
|
|
|
773 }
|
|
|
774
|
|
|
775 cl = cl->next;
|
|
|
776 cl->buf = b;
|
|
|
777
|
|
|
778 body = body->next;
|
|
|
779 }
|
|
|
780
|
|
160
|
781 b->flush = 1;
|
|
|
782
|
|
58
|
783 } else {
|
|
|
784 u->request_bufs = cl;
|
|
|
785 }
|
|
|
786
|
|
|
787 cl->next = NULL;
|
|
|
788
|
|
|
789 return NGX_OK;
|
|
|
790 }
|
|
|
791
|
|
|
792
|
|
|
793 static ngx_int_t
|
|
|
794 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
795 {
|
|
|
796 ngx_http_proxy_ctx_t *p;
|
|
|
797
|
|
|
798 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
799
|
|
|
800 if (p == NULL) {
|
|
|
801 return NGX_OK;
|
|
|
802 }
|
|
|
803
|
|
|
804 p->status = 0;
|
|
|
805 p->status_count = 0;
|
|
|
806 p->status_start = NULL;
|
|
|
807 p->status_end = NULL;
|
|
|
808
|
|
|
809 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
810
|
|
|
811 return NGX_OK;
|
|
|
812 }
|
|
|
813
|
|
|
814
|
|
|
815 static ngx_int_t
|
|
|
816 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
817 {
|
|
|
818 ngx_int_t rc;
|
|
|
819 ngx_http_upstream_t *u;
|
|
|
820 ngx_http_proxy_ctx_t *p;
|
|
|
821
|
|
|
822 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
823
|
|
|
824 if (p == NULL) {
|
|
126
|
825 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
826 }
|
|
|
827
|
|
|
828 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
829
|
|
|
830 if (rc == NGX_AGAIN) {
|
|
|
831 return rc;
|
|
|
832 }
|
|
|
833
|
|
|
834 u = r->upstream;
|
|
|
835
|
|
|
836 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
837 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
838 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
839
|
|
168
|
840 #if 0
|
|
58
|
841 if (u->accel) {
|
|
|
842 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
843 }
|
|
168
|
844 #endif
|
|
58
|
845
|
|
|
846 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
847 p->status = NGX_HTTP_OK;
|
|
126
|
848
|
|
58
|
849 return NGX_OK;
|
|
|
850 }
|
|
|
851
|
|
78
|
852 u->headers_in.status_n = p->status;
|
|
58
|
853 u->state->status = p->status;
|
|
|
854
|
|
78
|
855 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
856 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
857 u->headers_in.status_line.len);
|
|
|
858 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
859 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
860 }
|
|
122
|
861
|
|
78
|
862 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
863 u->headers_in.status_line.len);
|
|
58
|
864
|
|
|
865 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
866 "http proxy status %ui \"%V\"",
|
|
270
|
867 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
868
|
|
|
869 u->process_header = ngx_http_proxy_process_header;
|
|
|
870
|
|
|
871 return ngx_http_proxy_process_header(r);
|
|
|
872 }
|
|
|
873
|
|
|
874
|
|
|
875 static ngx_int_t
|
|
|
876 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
877 {
|
|
|
878 u_char ch;
|
|
|
879 u_char *pos;
|
|
|
880 ngx_http_upstream_t *u;
|
|
|
881 enum {
|
|
|
882 sw_start = 0,
|
|
|
883 sw_H,
|
|
|
884 sw_HT,
|
|
|
885 sw_HTT,
|
|
|
886 sw_HTTP,
|
|
|
887 sw_first_major_digit,
|
|
|
888 sw_major_digit,
|
|
|
889 sw_first_minor_digit,
|
|
|
890 sw_minor_digit,
|
|
|
891 sw_status,
|
|
|
892 sw_space_after_status,
|
|
|
893 sw_status_text,
|
|
|
894 sw_almost_done
|
|
126
|
895 } state;
|
|
58
|
896
|
|
|
897 u = r->upstream;
|
|
|
898
|
|
|
899 state = r->state;
|
|
|
900
|
|
130
|
901 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
902 ch = *pos;
|
|
|
903
|
|
|
904 switch (state) {
|
|
|
905
|
|
|
906 /* "HTTP/" */
|
|
|
907 case sw_start:
|
|
|
908 switch (ch) {
|
|
126
|
909 case 'H':
|
|
58
|
910 state = sw_H;
|
|
|
911 break;
|
|
|
912 default:
|
|
|
913 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
914 }
|
|
|
915 break;
|
|
|
916
|
|
126
|
917 case sw_H:
|
|
58
|
918 switch (ch) {
|
|
126
|
919 case 'T':
|
|
58
|
920 state = sw_HT;
|
|
|
921 break;
|
|
|
922 default:
|
|
|
923 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
924 }
|
|
|
925 break;
|
|
|
926
|
|
|
927 case sw_HT:
|
|
|
928 switch (ch) {
|
|
126
|
929 case 'T':
|
|
58
|
930 state = sw_HTT;
|
|
|
931 break;
|
|
|
932 default:
|
|
|
933 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
934 }
|
|
|
935 break;
|
|
|
936
|
|
|
937 case sw_HTT:
|
|
|
938 switch (ch) {
|
|
126
|
939 case 'P':
|
|
58
|
940 state = sw_HTTP;
|
|
|
941 break;
|
|
|
942 default:
|
|
|
943 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
944 }
|
|
|
945 break;
|
|
|
946
|
|
|
947 case sw_HTTP:
|
|
|
948 switch (ch) {
|
|
126
|
949 case '/':
|
|
58
|
950 state = sw_first_major_digit;
|
|
|
951 break;
|
|
|
952 default:
|
|
|
953 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
954 }
|
|
|
955 break;
|
|
|
956
|
|
|
957 /* the first digit of major HTTP version */
|
|
|
958 case sw_first_major_digit:
|
|
|
959 if (ch < '1' || ch > '9') {
|
|
|
960 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
961 }
|
|
|
962
|
|
|
963 state = sw_major_digit;
|
|
|
964 break;
|
|
|
965
|
|
|
966 /* the major HTTP version or dot */
|
|
|
967 case sw_major_digit:
|
|
|
968 if (ch == '.') {
|
|
|
969 state = sw_first_minor_digit;
|
|
|
970 break;
|
|
|
971 }
|
|
|
972
|
|
|
973 if (ch < '0' || ch > '9') {
|
|
|
974 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
975 }
|
|
|
976
|
|
|
977 break;
|
|
|
978
|
|
|
979 /* the first digit of minor HTTP version */
|
|
|
980 case sw_first_minor_digit:
|
|
|
981 if (ch < '0' || ch > '9') {
|
|
|
982 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
983 }
|
|
|
984
|
|
|
985 state = sw_minor_digit;
|
|
|
986 break;
|
|
|
987
|
|
|
988 /* the minor HTTP version or the end of the request line */
|
|
|
989 case sw_minor_digit:
|
|
|
990 if (ch == ' ') {
|
|
|
991 state = sw_status;
|
|
|
992 break;
|
|
|
993 }
|
|
|
994
|
|
|
995 if (ch < '0' || ch > '9') {
|
|
|
996 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
997 }
|
|
|
998
|
|
|
999 break;
|
|
|
1000
|
|
|
1001 /* HTTP status code */
|
|
|
1002 case sw_status:
|
|
168
|
1003 if (ch == ' ') {
|
|
|
1004 break;
|
|
|
1005 }
|
|
|
1006
|
|
58
|
1007 if (ch < '0' || ch > '9') {
|
|
|
1008 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 p->status = p->status * 10 + ch - '0';
|
|
|
1012
|
|
|
1013 if (++p->status_count == 3) {
|
|
|
1014 state = sw_space_after_status;
|
|
|
1015 p->status_start = pos - 2;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 break;
|
|
|
1019
|
|
|
1020 /* space or end of line */
|
|
|
1021 case sw_space_after_status:
|
|
|
1022 switch (ch) {
|
|
126
|
1023 case ' ':
|
|
58
|
1024 state = sw_status_text;
|
|
|
1025 break;
|
|
|
1026 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1027 state = sw_status_text;
|
|
|
1028 break;
|
|
|
1029 case CR:
|
|
|
1030 state = sw_almost_done;
|
|
|
1031 break;
|
|
|
1032 case LF:
|
|
|
1033 goto done;
|
|
|
1034 default:
|
|
|
1035 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1036 }
|
|
|
1037 break;
|
|
|
1038
|
|
|
1039 /* any text until end of line */
|
|
|
1040 case sw_status_text:
|
|
|
1041 switch (ch) {
|
|
|
1042 case CR:
|
|
|
1043 state = sw_almost_done;
|
|
|
1044
|
|
|
1045 break;
|
|
|
1046 case LF:
|
|
|
1047 goto done;
|
|
|
1048 }
|
|
|
1049 break;
|
|
|
1050
|
|
76
|
1051 /* end of status line */
|
|
58
|
1052 case sw_almost_done:
|
|
|
1053 p->status_end = pos - 1;
|
|
|
1054 switch (ch) {
|
|
|
1055 case LF:
|
|
|
1056 goto done;
|
|
|
1057 default:
|
|
|
1058 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1059 }
|
|
|
1060 }
|
|
|
1061 }
|
|
|
1062
|
|
130
|
1063 u->buffer.pos = pos;
|
|
58
|
1064 r->state = state;
|
|
|
1065
|
|
|
1066 return NGX_AGAIN;
|
|
|
1067
|
|
|
1068 done:
|
|
|
1069
|
|
130
|
1070 u->buffer.pos = pos + 1;
|
|
58
|
1071
|
|
|
1072 if (p->status_end == NULL) {
|
|
|
1073 p->status_end = pos;
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 r->state = sw_start;
|
|
|
1077
|
|
|
1078 return NGX_OK;
|
|
|
1079 }
|
|
|
1080
|
|
|
1081
|
|
|
1082 static ngx_int_t
|
|
|
1083 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1084 {
|
|
|
1085 ngx_int_t rc;
|
|
198
|
1086 ngx_uint_t i;
|
|
58
|
1087 ngx_table_elt_t *h;
|
|
|
1088 ngx_http_upstream_header_t *hh;
|
|
|
1089 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1090
|
|
|
1091 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1092
|
|
|
1093 for ( ;; ) {
|
|
|
1094
|
|
130
|
1095 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1096
|
|
|
1097 if (rc == NGX_OK) {
|
|
|
1098
|
|
|
1099 /* a header line has been parsed successfully */
|
|
|
1100
|
|
|
1101 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1102 if (h == NULL) {
|
|
|
1103 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1104 }
|
|
|
1105
|
|
|
1106 h->hash = r->header_hash;
|
|
|
1107
|
|
|
1108 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1109 h->value.len = r->header_end - r->header_start;
|
|
|
1110
|
|
|
1111 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1112 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1113 if (h->key.data == NULL) {
|
|
|
1114 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1118 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1119
|
|
|
1120 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1121 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1122
|
|
198
|
1123 if (h->key.len == r->lowcase_index) {
|
|
|
1124 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1125
|
|
|
1126 } else {
|
|
|
1127 for (i = 0; i < h->key.len; i++) {
|
|
|
1128 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
|
58
|
1129 }
|
|
|
1130 }
|
|
|
1131
|
|
198
|
1132 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1133 h->lowcase_key, h->key.len);
|
|
|
1134
|
|
|
1135 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1136 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1137 }
|
|
|
1138
|
|
58
|
1139 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1140 "http proxy header: \"%V: %V\"",
|
|
|
1141 &h->key, &h->value);
|
|
|
1142
|
|
|
1143 continue;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1147
|
|
|
1148 /* a whole header has been parsed successfully */
|
|
|
1149
|
|
|
1150 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1151 "http proxy header done");
|
|
|
1152
|
|
198
|
1153 /*
|
|
|
1154 * if no "Server" and "Date" in header line,
|
|
|
1155 * then add the special empty headers
|
|
|
1156 */
|
|
|
1157
|
|
|
1158 if (r->upstream->headers_in.server == NULL) {
|
|
|
1159 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1160 if (h == NULL) {
|
|
|
1161 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1162 }
|
|
|
1163
|
|
|
1164 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1165 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1166
|
|
|
1167 h->key.len = sizeof("Server") - 1;
|
|
|
1168 h->key.data = (u_char *) "Server";
|
|
|
1169 h->value.len = 0;
|
|
|
1170 h->value.data = NULL;
|
|
|
1171 h->lowcase_key = (u_char *) "server";
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 if (r->upstream->headers_in.date == NULL) {
|
|
|
1175 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1176 if (h == NULL) {
|
|
|
1177 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1181
|
|
|
1182 h->key.len = sizeof("Date") - 1;
|
|
|
1183 h->key.data = (u_char *) "Date";
|
|
|
1184 h->value.len = 0;
|
|
|
1185 h->value.data = NULL;
|
|
|
1186 h->lowcase_key = (u_char *) "date";
|
|
|
1187 }
|
|
|
1188
|
|
58
|
1189 return NGX_OK;
|
|
|
1190 }
|
|
|
1191
|
|
70
|
1192 if (rc == NGX_AGAIN) {
|
|
|
1193 return NGX_AGAIN;
|
|
|
1194 }
|
|
|
1195
|
|
58
|
1196 /* there was error while a header line parsing */
|
|
|
1197
|
|
|
1198 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1199 "upstream sent invalid header");
|
|
58
|
1200
|
|
|
1201 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1202 }
|
|
|
1203 }
|
|
|
1204
|
|
|
1205
|
|
|
1206 static void
|
|
|
1207 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1208 {
|
|
|
1209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1210 "abort http proxy request");
|
|
126
|
1211
|
|
58
|
1212 return;
|
|
|
1213 }
|
|
|
1214
|
|
|
1215
|
|
|
1216 static void
|
|
|
1217 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1218 {
|
|
58
|
1219 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1220 "finalize http proxy request");
|
|
|
1221
|
|
|
1222 return;
|
|
|
1223 }
|
|
|
1224
|
|
|
1225
|
|
122
|
1226 static ngx_int_t
|
|
|
1227 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1228 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1229 {
|
|
|
1230 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1231
|
|
|
1232 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1233
|
|
122
|
1234 v->len = plcf->host_header.len;
|
|
126
|
1235 v->valid = 1;
|
|
122
|
1236 v->no_cachable = 0;
|
|
|
1237 v->not_found = 0;
|
|
|
1238 v->data = plcf->host_header.data;
|
|
58
|
1239
|
|
122
|
1240 return NGX_OK;
|
|
58
|
1241 }
|
|
|
1242
|
|
|
1243
|
|
122
|
1244 static ngx_int_t
|
|
|
1245 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1246 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1247 {
|
|
|
1248 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1249
|
|
|
1250 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1251
|
|
266
|
1252 v->len = plcf->port.len;
|
|
126
|
1253 v->valid = 1;
|
|
122
|
1254 v->no_cachable = 0;
|
|
|
1255 v->not_found = 0;
|
|
266
|
1256 v->data = plcf->port.data;
|
|
58
|
1257
|
|
122
|
1258 return NGX_OK;
|
|
58
|
1259 }
|
|
|
1260
|
|
|
1261
|
|
122
|
1262 static ngx_int_t
|
|
58
|
1263 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1264 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1265 {
|
|
122
|
1266 u_char *p;
|
|
58
|
1267
|
|
126
|
1268 v->valid = 1;
|
|
122
|
1269 v->no_cachable = 0;
|
|
|
1270 v->not_found = 0;
|
|
58
|
1271
|
|
|
1272 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1273 v->len = r->connection->addr_text.len;
|
|
|
1274 v->data = r->connection->addr_text.data;
|
|
|
1275 return NGX_OK;
|
|
58
|
1276 }
|
|
|
1277
|
|
122
|
1278 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1279 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1280
|
|
122
|
1281 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1282 if (p == NULL) {
|
|
122
|
1283 return NGX_ERROR;
|
|
58
|
1284 }
|
|
|
1285
|
|
122
|
1286 v->data = p;
|
|
58
|
1287
|
|
122
|
1288 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1289 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1290
|
|
|
1291 *p++ = ','; *p++ = ' ';
|
|
|
1292
|
|
|
1293 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1294
|
|
122
|
1295 return NGX_OK;
|
|
58
|
1296 }
|
|
|
1297
|
|
|
1298
|
|
|
1299 static ngx_int_t
|
|
126
|
1300 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1301 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1302 {
|
|
|
1303 ngx_http_proxy_ctx_t *p;
|
|
|
1304
|
|
|
1305 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1306
|
|
|
1307 if (p == NULL) {
|
|
|
1308 v->not_found = 1;
|
|
|
1309 return NGX_OK;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 v->valid = 1;
|
|
|
1313 v->no_cachable = 0;
|
|
|
1314 v->not_found = 0;
|
|
|
1315
|
|
|
1316 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1317
|
|
|
1318 if (v->data == NULL) {
|
|
|
1319 return NGX_ERROR;
|
|
|
1320 }
|
|
|
1321
|
|
|
1322 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1323
|
|
|
1324 return NGX_OK;
|
|
|
1325 }
|
|
|
1326
|
|
|
1327
|
|
|
1328 static ngx_int_t
|
|
58
|
1329 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1330 size_t prefix)
|
|
|
1331 {
|
|
|
1332 ngx_int_t rc;
|
|
|
1333 ngx_uint_t i;
|
|
|
1334 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1335 ngx_http_proxy_redirect_t *pr;
|
|
|
1336
|
|
|
1337 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1338
|
|
|
1339 pr = plcf->redirects->elts;
|
|
|
1340
|
|
|
1341 if (pr == NULL) {
|
|
|
1342 return NGX_DECLINED;
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1346 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1347
|
|
|
1348 if (rc != NGX_DECLINED) {
|
|
|
1349 return rc;
|
|
|
1350 }
|
|
|
1351 }
|
|
|
1352
|
|
|
1353 return NGX_DECLINED;
|
|
|
1354 }
|
|
|
1355
|
|
|
1356
|
|
|
1357 static ngx_int_t
|
|
|
1358 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1359 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1360 {
|
|
|
1361 size_t len;
|
|
|
1362 u_char *data, *p;
|
|
|
1363
|
|
|
1364 if (pr->redirect.len > h->value.len - prefix
|
|
|
1365 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1366 pr->redirect.len) != 0)
|
|
|
1367 {
|
|
|
1368 return NGX_DECLINED;
|
|
|
1369 }
|
|
|
1370
|
|
|
1371 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1372
|
|
|
1373 data = ngx_palloc(r->pool, len);
|
|
|
1374 if (data == NULL) {
|
|
|
1375 return NGX_ERROR;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 p = data;
|
|
|
1379
|
|
122
|
1380 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1381
|
|
202
|
1382 if (pr->replacement.text.len) {
|
|
|
1383 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1384 }
|
|
58
|
1385
|
|
|
1386 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1387 h->value.len - pr->redirect.len - prefix);
|
|
|
1388
|
|
|
1389 h->value.len = len;
|
|
|
1390 h->value.data = data;
|
|
|
1391
|
|
|
1392 return NGX_OK;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395
|
|
|
1396 static ngx_int_t
|
|
|
1397 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1398 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1399 {
|
|
|
1400 size_t len;
|
|
|
1401 u_char *data, *p;
|
|
|
1402 ngx_http_script_code_pt code;
|
|
|
1403 ngx_http_script_engine_t e;
|
|
|
1404 ngx_http_script_len_code_pt lcode;
|
|
|
1405
|
|
|
1406 if (pr->redirect.len > h->value.len - prefix
|
|
|
1407 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1408 pr->redirect.len) != 0)
|
|
|
1409 {
|
|
|
1410 return NGX_DECLINED;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1414
|
|
|
1415 e.ip = pr->replacement.vars.lengths;
|
|
|
1416 e.request = r;
|
|
|
1417
|
|
238
|
1418 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1419
|
|
|
1420 while (*(uintptr_t *) e.ip) {
|
|
58
|
1421 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1422 len += lcode(&e);
|
|
58
|
1423 }
|
|
|
1424
|
|
|
1425 data = ngx_palloc(r->pool, len);
|
|
|
1426 if (data == NULL) {
|
|
|
1427 return NGX_ERROR;
|
|
|
1428 }
|
|
|
1429
|
|
|
1430 p = data;
|
|
|
1431
|
|
122
|
1432 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1433
|
|
|
1434 e.ip = pr->replacement.vars.values;
|
|
|
1435 e.pos = p;
|
|
|
1436
|
|
|
1437 while (*(uintptr_t *) e.ip) {
|
|
|
1438 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1439 code(&e);
|
|
|
1440 }
|
|
|
1441
|
|
238
|
1442 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1443 h->value.len - pr->redirect.len - prefix);
|
|
|
1444
|
|
58
|
1445 h->value.len = len;
|
|
|
1446 h->value.data = data;
|
|
|
1447
|
|
|
1448 return NGX_OK;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451
|
|
|
1452 static ngx_int_t
|
|
|
1453 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1454 {
|
|
|
1455 ngx_http_variable_t *var, *v;
|
|
|
1456
|
|
|
1457 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1458 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1459 if (var == NULL) {
|
|
|
1460 return NGX_ERROR;
|
|
|
1461 }
|
|
|
1462
|
|
186
|
1463 var->get_handler = v->get_handler;
|
|
58
|
1464 var->data = v->data;
|
|
|
1465 }
|
|
|
1466
|
|
|
1467 return NGX_OK;
|
|
|
1468 }
|
|
|
1469
|
|
|
1470
|
|
|
1471 static void *
|
|
|
1472 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1473 {
|
|
|
1474 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1475
|
|
|
1476 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1477 if (conf == NULL) {
|
|
|
1478 return NGX_CONF_ERROR;
|
|
|
1479 }
|
|
|
1480
|
|
|
1481 /*
|
|
|
1482 * set by ngx_pcalloc():
|
|
|
1483 *
|
|
|
1484 * conf->upstream.bufs.num = 0;
|
|
|
1485 * conf->upstream.next_upstream = 0;
|
|
|
1486 * conf->upstream.temp_path = NULL;
|
|
198
|
1487 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
|
1488 * conf->upstream.hide_headers = NULL;
|
|
|
1489 * conf->upstream.pass_headers = NULL;
|
|
58
|
1490 * conf->upstream.schema = { 0, NULL };
|
|
|
1491 * conf->upstream.uri = { 0, NULL };
|
|
|
1492 * conf->upstream.location = NULL;
|
|
|
1493 *
|
|
110
|
1494 * conf->method = NULL;
|
|
58
|
1495 * conf->headers_source = NULL;
|
|
|
1496 * conf->headers_set_len = NULL;
|
|
|
1497 * conf->headers_set = NULL;
|
|
|
1498 * conf->headers_set_hash = NULL;
|
|
126
|
1499 * conf->body_set_len = NULL;
|
|
|
1500 * conf->body_set = NULL;
|
|
|
1501 * conf->body_source = { 0, NULL };
|
|
58
|
1502 * conf->rewrite_locations = NULL;
|
|
|
1503 */
|
|
126
|
1504
|
|
130
|
1505 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1506 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1507
|
|
58
|
1508 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1509 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1510 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1511
|
|
|
1512 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1513 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1514
|
|
|
1515 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1516 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1517 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1518
|
|
|
1519 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1520 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1521
|
|
206
|
1522 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
58
|
1523
|
|
|
1524 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1525 conf->upstream.cyclic_temp_file = 0;
|
|
|
1526
|
|
|
1527 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1528 conf->upstream.change_buffering = 1;
|
|
58
|
1529
|
|
298
|
1530 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1531 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1532
|
|
58
|
1533 return conf;
|
|
|
1534 }
|
|
|
1535
|
|
|
1536
|
|
|
1537 static char *
|
|
|
1538 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1539 {
|
|
|
1540 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1541 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1542
|
|
|
1543 u_char *p;
|
|
|
1544 size_t size;
|
|
|
1545 uintptr_t *code;
|
|
198
|
1546 ngx_str_t *header;
|
|
|
1547 ngx_uint_t i, j;
|
|
|
1548 ngx_array_t hide_headers;
|
|
|
1549 ngx_keyval_t *src, *s, *h;
|
|
|
1550 ngx_hash_key_t *hk;
|
|
|
1551 ngx_hash_init_t hash;
|
|
58
|
1552 ngx_http_proxy_redirect_t *pr;
|
|
|
1553 ngx_http_script_compile_t sc;
|
|
|
1554 ngx_http_script_copy_code_t *copy;
|
|
|
1555
|
|
130
|
1556 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1557 prev->upstream.buffering, 1);
|
|
|
1558
|
|
178
|
1559 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1560 prev->upstream.ignore_client_abort, 0);
|
|
|
1561
|
|
58
|
1562 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1563 prev->upstream.connect_timeout, 60000);
|
|
|
1564
|
|
|
1565 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1566 prev->upstream.send_timeout, 60000);
|
|
|
1567
|
|
|
1568 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1569 prev->upstream.read_timeout, 60000);
|
|
|
1570
|
|
|
1571 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1572 prev->upstream.send_lowat, 0);
|
|
|
1573
|
|
130
|
1574 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1575 prev->upstream.buffer_size,
|
|
58
|
1576 (size_t) ngx_pagesize);
|
|
|
1577
|
|
|
1578 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1579 8, ngx_pagesize);
|
|
|
1580
|
|
|
1581 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1582 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1583 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1584 return NGX_CONF_ERROR;
|
|
|
1585 }
|
|
126
|
1586
|
|
58
|
1587
|
|
130
|
1588 size = conf->upstream.buffer_size;
|
|
126
|
1589 if (size < conf->upstream.bufs.size) {
|
|
58
|
1590 size = conf->upstream.bufs.size;
|
|
|
1591 }
|
|
|
1592
|
|
|
1593
|
|
78
|
1594 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1595 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1596 NGX_CONF_UNSET_SIZE);
|
|
|
1597
|
|
78
|
1598 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1599 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1600 } else {
|
|
|
1601 conf->upstream.busy_buffers_size =
|
|
|
1602 conf->upstream.busy_buffers_size_conf;
|
|
|
1603 }
|
|
126
|
1604
|
|
78
|
1605 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1606 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1607 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1608 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1609 "one of the \"proxy_buffers\"");
|
|
|
1610
|
|
|
1611 return NGX_CONF_ERROR;
|
|
78
|
1612 }
|
|
58
|
1613
|
|
78
|
1614 if (conf->upstream.busy_buffers_size
|
|
|
1615 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1616 {
|
|
|
1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1618 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1619 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1620
|
|
|
1621 return NGX_CONF_ERROR;
|
|
|
1622 }
|
|
78
|
1623
|
|
58
|
1624
|
|
78
|
1625 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1626 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1627 NGX_CONF_UNSET_SIZE);
|
|
|
1628
|
|
78
|
1629 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1630 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1631 } else {
|
|
|
1632 conf->upstream.temp_file_write_size =
|
|
|
1633 conf->upstream.temp_file_write_size_conf;
|
|
|
1634 }
|
|
126
|
1635
|
|
78
|
1636 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1637 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1638 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1639 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1640 "one of the \"proxy_buffers\"");
|
|
|
1641
|
|
|
1642 return NGX_CONF_ERROR;
|
|
|
1643 }
|
|
|
1644
|
|
78
|
1645 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1646 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1647 NGX_CONF_UNSET_SIZE);
|
|
|
1648
|
|
78
|
1649 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1650 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1651 } else {
|
|
|
1652 conf->upstream.max_temp_file_size =
|
|
|
1653 conf->upstream.max_temp_file_size_conf;
|
|
|
1654 }
|
|
58
|
1655
|
|
78
|
1656 if (conf->upstream.max_temp_file_size != 0
|
|
|
1657 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1658 {
|
|
|
1659 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1660 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1661 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1662 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1663 "one of the \"proxy_buffers\"");
|
|
58
|
1664
|
|
|
1665 return NGX_CONF_ERROR;
|
|
|
1666 }
|
|
|
1667
|
|
78
|
1668
|
|
58
|
1669 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1670 prev->upstream.next_upstream,
|
|
|
1671 (NGX_CONF_BITMASK_SET
|
|
|
1672 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1673 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1674
|
|
214
|
1675 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1676 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1677 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1678 }
|
|
|
1679
|
|
58
|
1680 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1681 prev->upstream.temp_path,
|
|
|
1682 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1683 ngx_garbage_collector_temp_handler, cf);
|
|
|
1684
|
|
110
|
1685 if (conf->method.len == 0) {
|
|
|
1686 conf->method = prev->method;
|
|
|
1687
|
|
|
1688 } else {
|
|
|
1689 conf->method.data[conf->method.len] = ' ';
|
|
|
1690 conf->method.len++;
|
|
58
|
1691 }
|
|
|
1692
|
|
|
1693 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1694 prev->upstream.pass_request_headers, 1);
|
|
|
1695 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1696 prev->upstream.pass_request_body, 1);
|
|
|
1697
|
|
206
|
1698 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1699 prev->upstream.intercept_errors, 0);
|
|
58
|
1700
|
|
|
1701 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1702
|
|
|
1703 if (conf->redirect) {
|
|
|
1704
|
|
|
1705 if (conf->redirects == NULL) {
|
|
|
1706 conf->redirects = prev->redirects;
|
|
|
1707 }
|
|
|
1708
|
|
|
1709 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1710
|
|
|
1711 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1712 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1713 if (conf->redirects == NULL) {
|
|
|
1714 return NGX_CONF_ERROR;
|
|
|
1715 }
|
|
|
1716
|
|
|
1717 pr = ngx_array_push(conf->redirects);
|
|
|
1718 if (pr == NULL) {
|
|
|
1719 return NGX_CONF_ERROR;
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1723 pr->redirect = conf->upstream.url;
|
|
202
|
1724
|
|
|
1725 if (conf->upstream.uri.len) {
|
|
|
1726 pr->replacement.text = conf->upstream.location;
|
|
|
1727
|
|
|
1728 } else {
|
|
|
1729 pr->replacement.text.len = 0;
|
|
|
1730 pr->replacement.text.data = NULL;
|
|
|
1731 }
|
|
58
|
1732 }
|
|
|
1733 }
|
|
|
1734
|
|
298
|
1735 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1736 prev->headers_hash_max_size, 512);
|
|
|
1737
|
|
|
1738 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1739 prev->headers_hash_bucket_size, 64);
|
|
|
1740
|
|
|
1741 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1742 ngx_cacheline_size);
|
|
|
1743
|
|
198
|
1744 if (conf->upstream.hide_headers == NULL
|
|
|
1745 && conf->upstream.pass_headers == NULL)
|
|
|
1746 {
|
|
|
1747 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1748 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1749 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
|
1750
|
|
|
1751 if (conf->upstream.hide_headers_hash.buckets) {
|
|
|
1752 goto peers;
|
|
|
1753 }
|
|
|
1754
|
|
|
1755 } else {
|
|
|
1756 if (conf->upstream.hide_headers == NULL) {
|
|
|
1757 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1758 }
|
|
|
1759
|
|
|
1760 if (conf->upstream.pass_headers == NULL) {
|
|
|
1761 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1762 }
|
|
|
1763 }
|
|
|
1764
|
|
|
1765 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1766 != NGX_OK)
|
|
|
1767 {
|
|
|
1768 return NGX_CONF_ERROR;
|
|
|
1769 }
|
|
|
1770
|
|
|
1771 for (header = ngx_http_proxy_hide_headers; header->len; header++) {
|
|
|
1772 hk = ngx_array_push(&hide_headers);
|
|
|
1773 if (hk == NULL) {
|
|
|
1774 return NGX_CONF_ERROR;
|
|
|
1775 }
|
|
|
1776
|
|
|
1777 hk->key = *header;
|
|
|
1778 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
|
1779 hk->value = (void *) 1;
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 if (conf->upstream.hide_headers) {
|
|
|
1783
|
|
|
1784 header = conf->upstream.hide_headers->elts;
|
|
|
1785
|
|
|
1786 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
|
1787
|
|
|
1788 hk = hide_headers.elts;
|
|
|
1789
|
|
|
1790 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1791 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1792 goto exist;
|
|
|
1793 }
|
|
|
1794 }
|
|
|
1795
|
|
|
1796 hk = ngx_array_push(&hide_headers);
|
|
|
1797 if (hk == NULL) {
|
|
|
1798 return NGX_CONF_ERROR;
|
|
|
1799 }
|
|
|
1800
|
|
|
1801 hk->key = header[i];
|
|
|
1802 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
|
1803 hk->value = (void *) 1;
|
|
|
1804
|
|
|
1805 exist:
|
|
|
1806
|
|
|
1807 continue;
|
|
|
1808 }
|
|
|
1809 }
|
|
|
1810
|
|
|
1811 if (conf->upstream.pass_headers) {
|
|
|
1812
|
|
|
1813 hk = hide_headers.elts;
|
|
|
1814 header = conf->upstream.pass_headers->elts;
|
|
|
1815
|
|
|
1816 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
|
1817 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1818
|
|
|
1819 if (hk[j].key.data == NULL) {
|
|
|
1820 continue;
|
|
|
1821 }
|
|
|
1822
|
|
|
1823 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1824 hk[j].key.data = NULL;
|
|
|
1825 break;
|
|
|
1826 }
|
|
|
1827 }
|
|
|
1828 }
|
|
|
1829 }
|
|
|
1830
|
|
|
1831 hash.hash = &conf->upstream.hide_headers_hash;
|
|
|
1832 hash.key = ngx_hash_key_lc;
|
|
298
|
1833 hash.max_size = conf->headers_hash_max_size;
|
|
|
1834 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1835 hash.name = "proxy_headers_hash";
|
|
198
|
1836 hash.pool = cf->pool;
|
|
|
1837 hash.temp_pool = NULL;
|
|
|
1838
|
|
|
1839 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
|
1840 return NGX_CONF_ERROR;
|
|
|
1841 }
|
|
|
1842
|
|
|
1843 peers:
|
|
58
|
1844
|
|
260
|
1845 if (conf->upstream.upstream == NULL) {
|
|
|
1846 conf->upstream.upstream = prev->upstream.upstream;
|
|
178
|
1847
|
|
|
1848 conf->host_header = prev->host_header;
|
|
266
|
1849 conf->port = prev->port;
|
|
178
|
1850 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1851 }
|
|
|
1852
|
|
126
|
1853
|
|
|
1854 if (conf->body_source.data == NULL) {
|
|
|
1855 conf->body_source = prev->body_source;
|
|
|
1856 conf->body_set_len = prev->body_set_len;
|
|
|
1857 conf->body_set = prev->body_set;
|
|
|
1858 }
|
|
|
1859
|
|
128
|
1860 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1861
|
|
|
1862 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1863
|
|
|
1864 sc.cf = cf;
|
|
|
1865 sc.source = &conf->body_source;
|
|
|
1866 sc.flushes = &conf->flushes;
|
|
|
1867 sc.lengths = &conf->body_set_len;
|
|
|
1868 sc.values = &conf->body_set;
|
|
|
1869 sc.complete_lengths = 1;
|
|
|
1870 sc.complete_values = 1;
|
|
|
1871
|
|
|
1872 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1873 return NGX_CONF_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
|
1876 if (conf->headers_source == NULL) {
|
|
|
1877 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1878 sizeof(ngx_keyval_t));
|
|
126
|
1879 if (conf->headers_source == NULL) {
|
|
|
1880 return NGX_CONF_ERROR;
|
|
|
1881 }
|
|
|
1882 }
|
|
|
1883
|
|
|
1884 s = ngx_array_push(conf->headers_source);
|
|
|
1885 if (s == NULL) {
|
|
|
1886 return NGX_CONF_ERROR;
|
|
|
1887 }
|
|
|
1888
|
|
|
1889 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1890 s->key.data = (u_char *) "Content-Length";
|
|
|
1891 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1892 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1893 }
|
|
|
1894
|
|
|
1895
|
|
58
|
1896 if (conf->headers_source == NULL) {
|
|
122
|
1897 conf->flushes = prev->flushes;
|
|
58
|
1898 conf->headers_set_len = prev->headers_set_len;
|
|
|
1899 conf->headers_set = prev->headers_set;
|
|
|
1900 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1901 conf->headers_source = prev->headers_source;
|
|
58
|
1902 }
|
|
|
1903
|
|
198
|
1904 if (conf->headers_set_hash.buckets) {
|
|
58
|
1905 return NGX_CONF_OK;
|
|
|
1906 }
|
|
|
1907
|
|
|
1908
|
|
198
|
1909 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1910 if (conf->headers_names == NULL) {
|
|
|
1911 return NGX_CONF_ERROR;
|
|
|
1912 }
|
|
|
1913
|
|
|
1914 if (conf->headers_source == NULL) {
|
|
|
1915 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1916 sizeof(ngx_keyval_t));
|
|
58
|
1917 if (conf->headers_source == NULL) {
|
|
|
1918 return NGX_CONF_ERROR;
|
|
|
1919 }
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1923 if (conf->headers_set_len == NULL) {
|
|
|
1924 return NGX_CONF_ERROR;
|
|
|
1925 }
|
|
|
1926
|
|
|
1927 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1928 if (conf->headers_set == NULL) {
|
|
|
1929 return NGX_CONF_ERROR;
|
|
|
1930 }
|
|
|
1931
|
|
|
1932
|
|
|
1933 src = conf->headers_source->elts;
|
|
|
1934
|
|
|
1935 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1936
|
|
|
1937 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1938 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1939 goto next;
|
|
|
1940 }
|
|
|
1941 }
|
|
|
1942
|
|
|
1943 s = ngx_array_push(conf->headers_source);
|
|
|
1944 if (s == NULL) {
|
|
|
1945 return NGX_CONF_ERROR;
|
|
|
1946 }
|
|
|
1947
|
|
|
1948 *s = *h;
|
|
|
1949
|
|
66
|
1950 src = conf->headers_source->elts;
|
|
|
1951
|
|
58
|
1952 next:
|
|
|
1953
|
|
|
1954 continue;
|
|
|
1955 }
|
|
|
1956
|
|
126
|
1957
|
|
|
1958 src = conf->headers_source->elts;
|
|
58
|
1959 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1960
|
|
198
|
1961 hk = ngx_array_push(conf->headers_names);
|
|
|
1962 if (hk == NULL) {
|
|
58
|
1963 return NGX_CONF_ERROR;
|
|
|
1964 }
|
|
|
1965
|
|
198
|
1966 hk->key = src[i].key;
|
|
|
1967 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
1968 hk->value = (void *) 1;
|
|
58
|
1969
|
|
68
|
1970 if (src[i].value.len == 0) {
|
|
|
1971 continue;
|
|
|
1972 }
|
|
|
1973
|
|
58
|
1974 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1975 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1976 sizeof(ngx_http_script_copy_code_t));
|
|
|
1977 if (copy == NULL) {
|
|
|
1978 return NGX_CONF_ERROR;
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 copy->code = (ngx_http_script_code_pt)
|
|
|
1982 ngx_http_script_copy_len_code;
|
|
|
1983 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1984 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1985
|
|
|
1986
|
|
|
1987 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1988 + src[i].key.len + sizeof(": ") - 1
|
|
|
1989 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1990 + sizeof(uintptr_t) - 1)
|
|
|
1991 & ~(sizeof(uintptr_t) - 1);
|
|
|
1992
|
|
|
1993 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1994 if (copy == NULL) {
|
|
|
1995 return NGX_CONF_ERROR;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 copy->code = ngx_http_script_copy_code;
|
|
|
1999 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2000 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2001
|
|
|
2002 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2003
|
|
|
2004 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2005 *p++ = ':'; *p++ = ' ';
|
|
|
2006 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2007 *p++ = CR; *p = LF;
|
|
|
2008
|
|
|
2009 } else {
|
|
|
2010 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2011 sizeof(ngx_http_script_copy_code_t));
|
|
|
2012 if (copy == NULL) {
|
|
|
2013 return NGX_CONF_ERROR;
|
|
|
2014 }
|
|
|
2015
|
|
|
2016 copy->code = (ngx_http_script_code_pt)
|
|
|
2017 ngx_http_script_copy_len_code;
|
|
|
2018 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2019
|
|
|
2020
|
|
|
2021 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2022 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2023 & ~(sizeof(uintptr_t) - 1);
|
|
|
2024
|
|
|
2025 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2026 if (copy == NULL) {
|
|
|
2027 return NGX_CONF_ERROR;
|
|
|
2028 }
|
|
|
2029
|
|
|
2030 copy->code = ngx_http_script_copy_code;
|
|
|
2031 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2032
|
|
|
2033 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2034 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2035 *p++ = ':'; *p = ' ';
|
|
|
2036
|
|
|
2037
|
|
|
2038 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2039
|
|
|
2040 sc.cf = cf;
|
|
|
2041 sc.source = &src[i].value;
|
|
122
|
2042 sc.flushes = &conf->flushes;
|
|
58
|
2043 sc.lengths = &conf->headers_set_len;
|
|
|
2044 sc.values = &conf->headers_set;
|
|
|
2045
|
|
|
2046 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2047 return NGX_CONF_ERROR;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050
|
|
|
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 = sizeof(CRLF) - 1;
|
|
|
2060
|
|
|
2061
|
|
|
2062 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2063 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2064 & ~(sizeof(uintptr_t) - 1);
|
|
|
2065
|
|
|
2066 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2067 if (copy == NULL) {
|
|
|
2068 return NGX_CONF_ERROR;
|
|
|
2069 }
|
|
|
2070
|
|
|
2071 copy->code = ngx_http_script_copy_code;
|
|
|
2072 copy->len = sizeof(CRLF) - 1;
|
|
|
2073
|
|
|
2074 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2075 *p++ = CR; *p = LF;
|
|
|
2076 }
|
|
|
2077
|
|
|
2078 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2079 if (code == NULL) {
|
|
|
2080 return NGX_CONF_ERROR;
|
|
|
2081 }
|
|
|
2082
|
|
|
2083 *code = (uintptr_t) NULL;
|
|
|
2084
|
|
|
2085 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2086 if (code == NULL) {
|
|
|
2087 return NGX_CONF_ERROR;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 *code = (uintptr_t) NULL;
|
|
|
2091 }
|
|
|
2092
|
|
|
2093 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2094 if (code == NULL) {
|
|
|
2095 return NGX_CONF_ERROR;
|
|
|
2096 }
|
|
|
2097
|
|
|
2098 *code = (uintptr_t) NULL;
|
|
|
2099
|
|
|
2100
|
|
198
|
2101 hash.hash = &conf->headers_set_hash;
|
|
|
2102 hash.key = ngx_hash_key_lc;
|
|
298
|
2103 hash.max_size = conf->headers_hash_max_size;
|
|
|
2104 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2105 hash.name = "proxy_headers_hash";
|
|
198
|
2106 hash.pool = cf->pool;
|
|
|
2107 hash.temp_pool = NULL;
|
|
|
2108
|
|
|
2109 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2110 conf->headers_names->nelts)
|
|
|
2111 != NGX_OK)
|
|
|
2112 {
|
|
|
2113 return NGX_CONF_ERROR;
|
|
|
2114 }
|
|
|
2115
|
|
58
|
2116 return NGX_CONF_OK;
|
|
|
2117 }
|
|
|
2118
|
|
|
2119
|
|
|
2120 static char *
|
|
|
2121 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2122 {
|
|
|
2123 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2124
|
|
266
|
2125 u_char *p;
|
|
126
|
2126 size_t add;
|
|
142
|
2127 u_short port;
|
|
58
|
2128 ngx_str_t *value, *url;
|
|
200
|
2129 ngx_url_t u;
|
|
58
|
2130 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
2131 #if (NGX_HTTP_SSL)
|
|
|
2132 ngx_pool_cleanup_t *cln;
|
|
|
2133 #endif
|
|
58
|
2134
|
|
104
|
2135 if (plcf->upstream.schema.len) {
|
|
|
2136 return "is duplicate";
|
|
|
2137 }
|
|
|
2138
|
|
58
|
2139 value = cf->args->elts;
|
|
|
2140
|
|
|
2141 url = &value[1];
|
|
|
2142
|
|
286
|
2143 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2144 add = 7;
|
|
140
|
2145 port = 80;
|
|
126
|
2146
|
|
286
|
2147 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2148
|
|
|
2149 #if (NGX_HTTP_SSL)
|
|
|
2150
|
|
|
2151 add = 8;
|
|
140
|
2152 port = 443;
|
|
126
|
2153
|
|
|
2154 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2155 if (plcf->upstream.ssl == NULL) {
|
|
|
2156 return NGX_CONF_ERROR;
|
|
|
2157 }
|
|
|
2158
|
|
|
2159 plcf->upstream.ssl->log = cf->log;
|
|
|
2160
|
|
|
2161 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
272
|
2162 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
126
|
2163 != NGX_OK)
|
|
|
2164 {
|
|
|
2165 return NGX_CONF_ERROR;
|
|
|
2166 }
|
|
|
2167
|
|
|
2168 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2169 if (cln == NULL) {
|
|
|
2170 return NGX_CONF_ERROR;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2174 cln->data = plcf->upstream.ssl;
|
|
|
2175
|
|
|
2176 #else
|
|
|
2177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2178 "https protocol requires SSL support");
|
|
|
2179 return NGX_CONF_ERROR;
|
|
|
2180 #endif
|
|
|
2181
|
|
|
2182 } else {
|
|
58
|
2183 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2184 return NGX_CONF_ERROR;
|
|
|
2185 }
|
|
|
2186
|
|
200
|
2187 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2188
|
|
|
2189 u.url.len = url->len - add;
|
|
|
2190 u.url.data = url->data + add;
|
|
266
|
2191 u.default_port = port;
|
|
|
2192 u.uri_part = 1;
|
|
260
|
2193 u.no_resolve = 1;
|
|
|
2194
|
|
|
2195 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2196 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2197 return NGX_CONF_ERROR;
|
|
|
2198 }
|
|
|
2199
|
|
266
|
2200 if (!u.unix_socket) {
|
|
|
2201 if (u.no_port || u.port == port) {
|
|
|
2202 plcf->host_header = u.host;
|
|
|
2203
|
|
|
2204 if (port == 80) {
|
|
|
2205 plcf->port.len = sizeof("80") - 1;
|
|
|
2206 plcf->port.data = (u_char *) "80";
|
|
|
2207 } else {
|
|
|
2208 plcf->port.len = sizeof("443") - 1;
|
|
|
2209 plcf->port.data = (u_char *) "443";
|
|
|
2210 }
|
|
|
2211
|
|
|
2212 } else {
|
|
|
2213 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1);
|
|
|
2214 if (p == NULL) {
|
|
|
2215 return NGX_CONF_ERROR;
|
|
|
2216 }
|
|
|
2217
|
|
|
2218 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port)
|
|
|
2219 - p;
|
|
|
2220 plcf->host_header.data = p;
|
|
|
2221
|
|
|
2222 plcf->port.len = plcf->host_header.len - u.host.len - 1;
|
|
|
2223 plcf->port.data = p + u.host.len + 1;
|
|
|
2224 }
|
|
|
2225
|
|
|
2226
|
|
|
2227 } else {
|
|
|
2228 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2229 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2230 plcf->port.len = 0;
|
|
|
2231 plcf->port.data = (u_char *) "";
|
|
|
2232 }
|
|
|
2233
|
|
200
|
2234 plcf->upstream.uri = u.uri;
|
|
|
2235
|
|
140
|
2236 plcf->upstream.schema.len = add;
|
|
|
2237 plcf->upstream.schema.data = url->data;
|
|
58
|
2238
|
|
|
2239 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2240
|
|
|
2241 clcf->handler = ngx_http_proxy_handler;
|
|
|
2242
|
|
122
|
2243 plcf->upstream.location = clcf->name;
|
|
104
|
2244
|
|
58
|
2245 #if (NGX_PCRE)
|
|
104
|
2246
|
|
178
|
2247 if (clcf->regex || clcf->noname) {
|
|
122
|
2248 if (plcf->upstream.uri.len) {
|
|
|
2249 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2250 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2251 "location given by regular expression, "
|
|
|
2252 "or inside the \"if\" statement, "
|
|
|
2253 "or inside the \"limit_except\" block");
|
|
122
|
2254 return NGX_CONF_ERROR;
|
|
|
2255 }
|
|
|
2256
|
|
|
2257 plcf->upstream.location.len = 0;
|
|
104
|
2258 }
|
|
|
2259
|
|
58
|
2260 #endif
|
|
|
2261
|
|
|
2262 plcf->upstream.url = *url;
|
|
|
2263
|
|
|
2264 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2265 clcf->auto_redirect = 1;
|
|
|
2266 }
|
|
|
2267
|
|
|
2268 return NGX_CONF_OK;
|
|
|
2269 }
|
|
|
2270
|
|
|
2271
|
|
|
2272 static char *
|
|
|
2273 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2274 {
|
|
|
2275 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2276
|
|
|
2277 ngx_str_t *value;
|
|
|
2278 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2279 ngx_http_script_compile_t sc;
|
|
|
2280 ngx_http_proxy_redirect_t *pr;
|
|
|
2281
|
|
|
2282 if (plcf->redirect == 0) {
|
|
|
2283 return NGX_CONF_OK;
|
|
|
2284 }
|
|
|
2285
|
|
|
2286 value = cf->args->elts;
|
|
|
2287
|
|
|
2288 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2289 plcf->redirect = 0;
|
|
|
2290 plcf->redirects = NULL;
|
|
|
2291 return NGX_CONF_OK;
|
|
|
2292 }
|
|
|
2293
|
|
|
2294 if (plcf->redirects == NULL) {
|
|
|
2295 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2296 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2297 if (plcf->redirects == NULL) {
|
|
|
2298 return NGX_CONF_ERROR;
|
|
|
2299 }
|
|
|
2300 }
|
|
|
2301
|
|
|
2302 pr = ngx_array_push(plcf->redirects);
|
|
|
2303 if (pr == NULL) {
|
|
|
2304 return NGX_CONF_ERROR;
|
|
|
2305 }
|
|
|
2306
|
|
|
2307 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2308 if (plcf->upstream.url.data == NULL) {
|
|
|
2309 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2310 "\"proxy_rewrite_location default\" must go "
|
|
|
2311 "after the \"proxy_pass\" directive");
|
|
|
2312 return NGX_CONF_ERROR;
|
|
|
2313 }
|
|
|
2314
|
|
|
2315 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2316 pr->redirect = plcf->upstream.url;
|
|
202
|
2317
|
|
|
2318 if (plcf->upstream.uri.len) {
|
|
|
2319 pr->replacement.text = plcf->upstream.location;
|
|
|
2320
|
|
|
2321 } else {
|
|
|
2322 pr->replacement.text.len = 0;
|
|
|
2323 pr->replacement.text.data = NULL;
|
|
|
2324 }
|
|
58
|
2325
|
|
|
2326 return NGX_CONF_OK;
|
|
|
2327 }
|
|
|
2328
|
|
|
2329 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2330 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2331 pr->redirect = value[1];
|
|
|
2332 pr->replacement.text = value[2];
|
|
|
2333
|
|
|
2334 return NGX_CONF_OK;
|
|
|
2335 }
|
|
|
2336
|
|
|
2337 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2338
|
|
|
2339 vars_lengths = NULL;
|
|
|
2340 vars_values = NULL;
|
|
|
2341
|
|
|
2342 sc.cf = cf;
|
|
|
2343 sc.source = &value[2];
|
|
|
2344 sc.lengths = &vars_lengths;
|
|
|
2345 sc.values = &vars_values;
|
|
|
2346 sc.complete_lengths = 1;
|
|
|
2347 sc.complete_values = 1;
|
|
|
2348
|
|
|
2349 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2350 return NGX_CONF_ERROR;
|
|
|
2351 }
|
|
|
2352
|
|
|
2353 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2354 pr->redirect = value[1];
|
|
|
2355 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2356 pr->replacement.vars.values = vars_values->elts;
|
|
|
2357
|
|
|
2358 return NGX_CONF_OK;
|
|
|
2359 }
|
|
|
2360
|
|
|
2361
|
|
|
2362 static char *
|
|
|
2363 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2364 {
|
|
|
2365 #if (NGX_FREEBSD)
|
|
|
2366 ssize_t *np = data;
|
|
|
2367
|
|
222
|
2368 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2369 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2370 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2371 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2372 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2373
|
|
|
2374 return NGX_CONF_ERROR;
|
|
|
2375 }
|
|
|
2376
|
|
|
2377 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2378 ssize_t *np = data;
|
|
|
2379
|
|
|
2380 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2381 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2382
|
|
|
2383 *np = 0;
|
|
|
2384
|
|
|
2385 #endif
|
|
|
2386
|
|
|
2387 return NGX_CONF_OK;
|
|
|
2388 }
|
|
260
|
2389
|
|
|
2390
|
|
|
2391 static char *
|
|
|
2392 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2393 ngx_command_t *cmd, void *conf)
|
|
|
2394 {
|
|
|
2395 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2396 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2397 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2398 "inside the \"upstream\" block");
|
|
|
2399
|
|
|
2400 return NGX_CONF_ERROR;
|
|
|
2401 }
|
|
|
2402
|
|
|
2403
|
|
|
2404 static char *
|
|
|
2405 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2406 ngx_command_t *cmd, void *conf)
|
|
|
2407 {
|
|
|
2408 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2409 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2410 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2411 "inside the \"upstream\" block");
|
|
|
2412
|
|
|
2413 return NGX_CONF_ERROR;
|
|
|
2414 }
|
