|
58
|
1
|
|
|
2 /*
|
|
|
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 {
|
|
|
19 ngx_http_proxy_redirect_pt handler;
|
|
|
20 ngx_str_t redirect;
|
|
|
21
|
|
|
22 union {
|
|
|
23 ngx_str_t text;
|
|
|
24
|
|
|
25 struct {
|
|
|
26 void *lengths;
|
|
|
27 void *values;
|
|
|
28 } vars;
|
|
|
29
|
|
|
30 void *regex;
|
|
|
31 } replacement;
|
|
|
32 };
|
|
|
33
|
|
|
34
|
|
|
35 typedef struct {
|
|
|
36 ngx_http_upstream_conf_t upstream;
|
|
|
37
|
|
|
38 ngx_peers_t *peers;
|
|
|
39
|
|
|
40 ngx_array_t *headers_set_len;
|
|
|
41 ngx_array_t *headers_set;
|
|
|
42 ngx_hash_t *headers_set_hash;
|
|
|
43
|
|
|
44 ngx_array_t *headers_source;
|
|
|
45 ngx_array_t *headers_names;
|
|
|
46
|
|
|
47 ngx_array_t *redirects;
|
|
|
48
|
|
|
49 ngx_str_t host_header;
|
|
|
50 ngx_str_t port_text;
|
|
|
51
|
|
|
52 ngx_flag_t redirect;
|
|
|
53 } ngx_http_proxy_loc_conf_t;
|
|
|
54
|
|
|
55
|
|
|
56 typedef struct {
|
|
|
57 ngx_uint_t status;
|
|
|
58 ngx_uint_t status_count;
|
|
|
59 u_char *status_start;
|
|
|
60 u_char *status_end;
|
|
|
61 } ngx_http_proxy_ctx_t;
|
|
|
62
|
|
|
63
|
|
|
64 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
|
|
|
65
|
|
|
66
|
|
|
67 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
|
|
|
68 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
|
|
|
69 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
|
|
|
70 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
71 ngx_http_proxy_ctx_t *p);
|
|
|
72 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
|
|
|
73 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
|
|
|
74 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
|
|
|
75 ngx_int_t rc);
|
|
|
76
|
|
|
77 static ngx_http_variable_value_t *
|
|
|
78 ngx_http_proxy_host_variable(ngx_http_request_t *r, uintptr_t data);
|
|
|
79 static ngx_http_variable_value_t *
|
|
|
80 ngx_http_proxy_port_variable(ngx_http_request_t *r, uintptr_t data);
|
|
|
81 static ngx_http_variable_value_t *
|
|
|
82 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
|
83 uintptr_t data);
|
|
|
84 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
|
|
|
85 ngx_table_elt_t *h, size_t prefix);
|
|
|
86
|
|
|
87 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
|
|
|
88 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
|
|
|
89 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
|
|
|
90 void *parent, void *child);
|
|
|
91
|
|
|
92 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
93 void *conf);
|
|
|
94 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
95 void *conf);
|
|
|
96
|
|
|
97 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
|
|
|
98
|
|
|
99
|
|
|
100 static ngx_conf_post_t ngx_http_proxy_lowat_post =
|
|
|
101 { ngx_http_proxy_lowat_check };
|
|
|
102
|
|
|
103 static ngx_conf_enum_t ngx_http_proxy_set_methods[] = {
|
|
|
104 { ngx_string("get"), NGX_HTTP_GET },
|
|
|
105 { ngx_null_string, 0 }
|
|
|
106 };
|
|
|
107
|
|
|
108 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
|
|
|
109 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
|
|
|
110 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
|
|
|
111 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
|
|
|
112 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
|
|
|
113 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
|
|
|
114 { ngx_null_string, 0 }
|
|
|
115 };
|
|
|
116
|
|
|
117
|
|
|
118 static ngx_command_t ngx_http_proxy_commands[] = {
|
|
|
119
|
|
|
120 { ngx_string("proxy_pass"),
|
|
|
121 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
122 ngx_http_proxy_pass,
|
|
|
123 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
124 0,
|
|
|
125 NULL },
|
|
|
126
|
|
|
127 { ngx_string("proxy_redirect"),
|
|
|
128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
|
|
|
129 ngx_http_proxy_redirect,
|
|
|
130 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
131 0,
|
|
|
132 NULL },
|
|
|
133
|
|
|
134 { ngx_string("proxy_connect_timeout"),
|
|
|
135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
136 ngx_conf_set_msec_slot,
|
|
|
137 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
138 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
|
|
|
139 NULL },
|
|
|
140
|
|
|
141 { ngx_string("proxy_send_timeout"),
|
|
|
142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
143 ngx_conf_set_msec_slot,
|
|
|
144 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
145 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
|
|
|
146 NULL },
|
|
|
147
|
|
|
148 { ngx_string("proxy_send_lowat"),
|
|
|
149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
150 ngx_conf_set_size_slot,
|
|
|
151 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
152 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
|
|
|
153 &ngx_http_proxy_lowat_post },
|
|
|
154
|
|
|
155 { ngx_string("proxy_redirect_errors"),
|
|
|
156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
157 ngx_conf_set_flag_slot,
|
|
|
158 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
159 offsetof(ngx_http_proxy_loc_conf_t, upstream.redirect_errors),
|
|
|
160 NULL },
|
|
|
161
|
|
|
162 { ngx_string("proxy_pass_unparsed_uri"),
|
|
92
|
163 NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
58
|
164 ngx_conf_set_flag_slot,
|
|
|
165 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
166 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_unparsed_uri),
|
|
|
167 NULL },
|
|
|
168
|
|
|
169 { ngx_string("proxy_set_header"),
|
|
|
170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
|
171 ngx_conf_set_table_elt_slot,
|
|
|
172 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
173 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
|
|
|
174 NULL },
|
|
|
175
|
|
|
176 { ngx_string("proxy_method"),
|
|
|
177 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
178 ngx_conf_set_enum_slot,
|
|
|
179 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
180 offsetof(ngx_http_proxy_loc_conf_t, upstream.method),
|
|
|
181 ngx_http_proxy_set_methods },
|
|
|
182
|
|
|
183 { ngx_string("proxy_pass_request_headers"),
|
|
|
184 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
185 ngx_conf_set_flag_slot,
|
|
|
186 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
187 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
|
|
|
188 NULL },
|
|
|
189
|
|
|
190 { ngx_string("proxy_pass_request_body"),
|
|
|
191 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
192 ngx_conf_set_flag_slot,
|
|
|
193 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
194 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
|
|
|
195 NULL },
|
|
|
196
|
|
|
197 { ngx_string("proxy_header_buffer_size"),
|
|
|
198 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
199 ngx_conf_set_size_slot,
|
|
|
200 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
201 offsetof(ngx_http_proxy_loc_conf_t, upstream.header_buffer_size),
|
|
|
202 NULL },
|
|
|
203
|
|
|
204 { ngx_string("proxy_read_timeout"),
|
|
|
205 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
206 ngx_conf_set_msec_slot,
|
|
|
207 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
208 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
|
|
|
209 NULL },
|
|
|
210
|
|
|
211 { ngx_string("proxy_buffers"),
|
|
|
212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
|
213 ngx_conf_set_bufs_slot,
|
|
|
214 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
215 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
|
|
|
216 NULL },
|
|
|
217
|
|
|
218 { ngx_string("proxy_busy_buffers_size"),
|
|
|
219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
220 ngx_conf_set_size_slot,
|
|
|
221 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
222 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
|
|
58
|
223 NULL },
|
|
|
224
|
|
|
225 { ngx_string("proxy_temp_path"),
|
|
|
226 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
227 ngx_conf_set_path_slot,
|
|
|
228 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
229 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
|
230 (void *) ngx_garbage_collector_temp_handler },
|
|
|
231
|
|
|
232 { ngx_string("proxy_max_temp_file_size"),
|
|
|
233 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
234 ngx_conf_set_size_slot,
|
|
|
235 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
236 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
237 NULL },
|
|
|
238
|
|
|
239 { ngx_string("proxy_temp_file_write_size"),
|
|
|
240 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
241 ngx_conf_set_size_slot,
|
|
|
242 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
243 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
244 NULL },
|
|
|
245
|
|
|
246 { ngx_string("proxy_next_upstream"),
|
|
96
|
247 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
248 ngx_conf_set_bitmask_slot,
|
|
|
249 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
250 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
251 &ngx_http_proxy_next_upstream_masks },
|
|
|
252
|
|
|
253 { ngx_string("proxy_pass_x_powered_by"),
|
|
|
254 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
255 ngx_conf_set_flag_slot,
|
|
|
256 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
257 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_powered_by),
|
|
|
258 NULL },
|
|
|
259
|
|
|
260 { ngx_string("proxy_pass_server"),
|
|
|
261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
262 ngx_conf_set_flag_slot,
|
|
|
263 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
264 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_server),
|
|
|
265 NULL },
|
|
|
266
|
|
|
267 { ngx_string("proxy_pass_x_accel_expires"),
|
|
|
268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
269 ngx_conf_set_flag_slot,
|
|
|
270 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
271 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_accel_expires),
|
|
|
272 NULL },
|
|
|
273
|
|
|
274 ngx_null_command
|
|
|
275 };
|
|
|
276
|
|
|
277
|
|
|
278 ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
|
279 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
280 NULL, /* postconfiguration */
|
|
|
281
|
|
|
282 NULL, /* create main configuration */
|
|
|
283 NULL, /* init main configuration */
|
|
|
284
|
|
|
285 NULL, /* create server configuration */
|
|
|
286 NULL, /* merge server configuration */
|
|
|
287
|
|
|
288 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
289 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
290 };
|
|
|
291
|
|
|
292
|
|
|
293 ngx_module_t ngx_http_proxy_module = {
|
|
|
294 NGX_MODULE_V1,
|
|
|
295 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
296 ngx_http_proxy_commands, /* module directives */
|
|
|
297 NGX_HTTP_MODULE, /* module type */
|
|
90
|
298 NULL, /* init master */
|
|
58
|
299 NULL, /* init module */
|
|
90
|
300 NULL, /* init process */
|
|
|
301 NULL, /* init thread */
|
|
|
302 NULL, /* exit thread */
|
|
|
303 NULL, /* exit process */
|
|
|
304 NULL, /* exit master */
|
|
|
305 NGX_MODULE_V1_PADDING
|
|
58
|
306 };
|
|
|
307
|
|
|
308
|
|
|
309 static ngx_str_t ngx_http_proxy_methods[] = {
|
|
|
310 ngx_string("GET "),
|
|
|
311 ngx_string("HEAD "),
|
|
|
312 ngx_string("POST ")
|
|
|
313 };
|
|
|
314
|
|
|
315
|
|
|
316 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
317
|
|
|
318
|
|
|
319 static ngx_table_elt_t ngx_http_proxy_headers[] = {
|
|
66
|
320 { 0, ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
321 { 0, ngx_string("Connection"), ngx_string("close") },
|
|
58
|
322 { 0, ngx_null_string, ngx_null_string }
|
|
|
323 };
|
|
|
324
|
|
|
325
|
|
|
326 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
327
|
|
|
328 { ngx_string("proxy_host"), ngx_http_proxy_host_variable, 0,
|
|
82
|
329 NGX_HTTP_VAR_CHANGABLE, 0 },
|
|
58
|
330
|
|
|
331 { ngx_string("proxy_port"), ngx_http_proxy_port_variable, 0,
|
|
82
|
332 NGX_HTTP_VAR_CHANGABLE, 0 },
|
|
58
|
333
|
|
|
334 { ngx_string("proxy_add_x_forwarded_for"),
|
|
82
|
335 ngx_http_proxy_add_x_forwarded_for_variable, 0, 0, 0 },
|
|
58
|
336
|
|
|
337 #if 0
|
|
82
|
338 { ngx_string("proxy_add_via"), NULL, 0, 0, 0 },
|
|
58
|
339 #endif
|
|
|
340
|
|
82
|
341 { ngx_null_string, NULL, 0, 0, 0 }
|
|
58
|
342 };
|
|
|
343
|
|
|
344
|
|
|
345 #if (NGX_PCRE)
|
|
|
346 static ngx_str_t ngx_http_proxy_uri = ngx_string("/");
|
|
|
347 #endif
|
|
|
348
|
|
|
349
|
|
|
350 static ngx_int_t
|
|
|
351 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
|
352 {
|
|
|
353 ngx_int_t rc;
|
|
|
354 ngx_http_upstream_t *u;
|
|
|
355 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
356
|
|
|
357 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
358
|
|
|
359 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
360 if (u == NULL) {
|
|
|
361 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
362 }
|
|
|
363
|
|
|
364 u->peer.log = r->connection->log;
|
|
|
365 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
366 u->peer.peers = plcf->peers;
|
|
|
367 u->peer.tries = plcf->peers->number;
|
|
|
368 #if (NGX_THREADS)
|
|
|
369 u->peer.lock = &r->connection->lock;
|
|
|
370 #endif
|
|
|
371
|
|
|
372 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
373
|
|
|
374 u->conf = &plcf->upstream;
|
|
|
375
|
|
|
376 u->create_request = ngx_http_proxy_create_request;
|
|
|
377 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
378 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
379 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
380 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
381
|
|
|
382 if (plcf->redirects) {
|
|
|
383 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
384 }
|
|
|
385
|
|
|
386 u->pipe.input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
387
|
|
|
388 u->accel = 1;
|
|
|
389
|
|
|
390 r->upstream = u;
|
|
|
391
|
|
|
392 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
393
|
|
|
394 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
395 return rc;
|
|
|
396 }
|
|
|
397
|
|
|
398 return NGX_DONE;
|
|
|
399 }
|
|
|
400
|
|
|
401
|
|
|
402 static ngx_int_t
|
|
|
403 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
404 {
|
|
|
405 size_t len, loc_len;
|
|
|
406 ngx_uint_t i, key;
|
|
|
407 uintptr_t escape;
|
|
|
408 ngx_buf_t *b;
|
|
|
409 ngx_str_t *hh;
|
|
|
410 ngx_chain_t *cl, *body;
|
|
|
411 ngx_list_part_t *part;
|
|
|
412 ngx_table_elt_t *header;
|
|
|
413 ngx_http_upstream_t *u;
|
|
|
414 ngx_http_script_code_pt code;
|
|
|
415 ngx_http_script_engine_t e, le;
|
|
|
416 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
417 ngx_http_script_len_code_pt lcode;
|
|
|
418
|
|
|
419 u = r->upstream;
|
|
|
420
|
|
|
421 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
422
|
|
|
423 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
424
|
|
|
425 if (u->method) {
|
|
|
426 len += ngx_http_proxy_methods[u->method - 1].len + u->conf->uri.len;
|
|
|
427 } else {
|
|
|
428 len += r->method_name.len + 1 + u->conf->uri.len;
|
|
|
429 }
|
|
|
430
|
|
|
431 escape = 0;
|
|
|
432
|
|
88
|
433 loc_len = r->valid_location ? u->conf->location->len - 1 : 0;
|
|
58
|
434
|
|
|
435 if (plcf->upstream.pass_unparsed_uri && r->valid_unparsed_uri) {
|
|
88
|
436 len += r->unparsed_uri.len;
|
|
58
|
437
|
|
|
438 } else {
|
|
|
439 if (r->quoted_uri) {
|
|
|
440 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
441 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
442 }
|
|
|
443
|
|
|
444 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
445 }
|
|
|
446
|
|
|
447 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
448
|
|
|
449 le.ip = plcf->headers_set_len->elts;
|
|
|
450 le.request = r;
|
|
|
451
|
|
|
452 while (*(uintptr_t *) le.ip) {
|
|
|
453 while (*(uintptr_t *) le.ip) {
|
|
|
454 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
455 len += lcode(&le);
|
|
|
456 }
|
|
|
457 le.ip += sizeof(uintptr_t);
|
|
|
458 }
|
|
|
459
|
|
|
460
|
|
|
461 hh = (ngx_str_t *) plcf->headers_set_hash->buckets;
|
|
|
462
|
|
|
463 if (plcf->upstream.pass_request_headers) {
|
|
|
464 part = &r->headers_in.headers.part;
|
|
|
465 header = part->elts;
|
|
|
466
|
|
|
467 for (i = 0; /* void */; i++) {
|
|
|
468
|
|
|
469 if (i >= part->nelts) {
|
|
|
470 if (part->next == NULL) {
|
|
|
471 break;
|
|
|
472 }
|
|
|
473
|
|
|
474 part = part->next;
|
|
|
475 header = part->elts;
|
|
|
476 i = 0;
|
|
|
477 }
|
|
|
478
|
|
|
479 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
480
|
|
|
481 if (hh[key].len == header[i].key.len
|
|
|
482 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
483 {
|
|
|
484 continue;
|
|
|
485 }
|
|
|
486
|
|
|
487 len += header[i].key.len + sizeof(": ") - 1
|
|
|
488 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
489 }
|
|
|
490 }
|
|
|
491
|
|
|
492
|
|
|
493 b = ngx_create_temp_buf(r->pool, len);
|
|
|
494 if (b == NULL) {
|
|
|
495 return NGX_ERROR;
|
|
|
496 }
|
|
|
497
|
|
|
498 cl = ngx_alloc_chain_link(r->pool);
|
|
|
499 if (cl == NULL) {
|
|
|
500 return NGX_ERROR;
|
|
|
501 }
|
|
|
502
|
|
|
503 cl->buf = b;
|
|
|
504
|
|
|
505
|
|
|
506 /* the request line */
|
|
|
507
|
|
|
508 if (u->method) {
|
|
|
509 b->last = ngx_cpymem(b->last,
|
|
|
510 ngx_http_proxy_methods[u->method - 1].data,
|
|
|
511 ngx_http_proxy_methods[u->method - 1].len);
|
|
|
512 } else {
|
|
|
513 b->last = ngx_cpymem(b->last, r->method_name.data,
|
|
|
514 r->method_name.len + 1);
|
|
|
515 }
|
|
|
516
|
|
88
|
517 b->last = ngx_cpymem(b->last, u->conf->uri.data, u->conf->uri.len - 1);
|
|
58
|
518
|
|
|
519 if (plcf->upstream.pass_unparsed_uri && r->valid_unparsed_uri) {
|
|
88
|
520 b->last = ngx_cpymem(b->last, r->unparsed_uri.data,
|
|
|
521 r->unparsed_uri.len);
|
|
58
|
522 } else {
|
|
|
523 if (escape) {
|
|
|
524 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
525 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
526 b->last += r->uri.len - loc_len + escape;
|
|
|
527
|
|
|
528 } else {
|
|
|
529 b->last = ngx_cpymem(b->last, r->uri.data + loc_len,
|
|
|
530 r->uri.len - loc_len);
|
|
|
531 }
|
|
|
532
|
|
|
533 if (r->args.len > 0) {
|
|
|
534 *b->last++ = '?';
|
|
|
535 b->last = ngx_cpymem(b->last, r->args.data, r->args.len);
|
|
|
536 }
|
|
|
537 }
|
|
|
538
|
|
|
539 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
540 sizeof(ngx_http_proxy_version) - 1);
|
|
|
541
|
|
|
542
|
|
|
543 e.ip = plcf->headers_set->elts;
|
|
|
544 e.pos = b->last;
|
|
|
545 e.request = r;
|
|
|
546
|
|
|
547 le.ip = plcf->headers_set_len->elts;
|
|
|
548
|
|
|
549 while (*(uintptr_t *) le.ip) {
|
|
|
550 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
551
|
|
|
552 /* skip the header line name length */
|
|
|
553 (void) lcode(&le);
|
|
58
|
554
|
|
|
555 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
556
|
|
|
557 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
558 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
559 }
|
|
|
560
|
|
|
561 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
562
|
|
|
563 } else {
|
|
|
564 e.skip = 0;
|
|
|
565 }
|
|
|
566
|
|
|
567 le.ip += sizeof(uintptr_t);
|
|
|
568
|
|
|
569 while (*(uintptr_t *) e.ip) {
|
|
|
570 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
571 code((ngx_http_script_engine_t *) &e);
|
|
|
572 }
|
|
|
573 e.ip += sizeof(uintptr_t);
|
|
|
574 }
|
|
|
575
|
|
|
576 b->last = e.pos;
|
|
|
577
|
|
|
578
|
|
|
579 if (plcf->upstream.pass_request_headers) {
|
|
|
580 part = &r->headers_in.headers.part;
|
|
|
581 header = part->elts;
|
|
|
582
|
|
|
583 for (i = 0; /* void */; i++) {
|
|
|
584
|
|
|
585 if (i >= part->nelts) {
|
|
|
586 if (part->next == NULL) {
|
|
|
587 break;
|
|
|
588 }
|
|
|
589
|
|
|
590 part = part->next;
|
|
|
591 header = part->elts;
|
|
|
592 i = 0;
|
|
|
593 }
|
|
|
594
|
|
|
595 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
596
|
|
|
597 if (hh[key].len == header[i].key.len
|
|
|
598 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
599 {
|
|
|
600 continue;
|
|
|
601 }
|
|
|
602
|
|
|
603 b->last = ngx_cpymem(b->last, header[i].key.data,
|
|
|
604 header[i].key.len);
|
|
|
605
|
|
|
606 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
607
|
|
|
608 b->last = ngx_cpymem(b->last, header[i].value.data,
|
|
|
609 header[i].value.len);
|
|
|
610
|
|
|
611 *b->last++ = CR; *b->last++ = LF;
|
|
|
612
|
|
|
613 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
614 "http proxy header: \"%V: %V\"",
|
|
|
615 &header[i].key, &header[i].value);
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 /* add "\r\n" at the header end */
|
|
|
620 *b->last++ = CR; *b->last++ = LF;
|
|
|
621
|
|
|
622 #if (NGX_DEBUG)
|
|
|
623 {
|
|
|
624 ngx_str_t s;
|
|
|
625
|
|
|
626 s.len = b->last - b->pos;
|
|
|
627 s.data = b->pos;
|
|
|
628 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
629 "http proxy header:\n\"%V\"", &s);
|
|
|
630 }
|
|
|
631 #endif
|
|
|
632
|
|
|
633 if (plcf->upstream.pass_request_body) {
|
|
|
634
|
|
|
635 body = u->request_bufs;
|
|
|
636 u->request_bufs = cl;
|
|
|
637
|
|
|
638 while (body) {
|
|
|
639 b = ngx_alloc_buf(r->pool);
|
|
|
640 if (b == NULL) {
|
|
|
641 return NGX_ERROR;
|
|
|
642 }
|
|
|
643
|
|
|
644 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
645
|
|
|
646 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
647 if (cl->next == NULL) {
|
|
|
648 return NGX_ERROR;
|
|
|
649 }
|
|
|
650
|
|
|
651 cl = cl->next;
|
|
|
652 cl->buf = b;
|
|
|
653
|
|
|
654 body = body->next;
|
|
|
655 }
|
|
|
656
|
|
|
657 } else {
|
|
|
658 u->request_bufs = cl;
|
|
|
659 }
|
|
|
660
|
|
|
661 cl->next = NULL;
|
|
|
662
|
|
|
663 return NGX_OK;
|
|
|
664 }
|
|
|
665
|
|
|
666
|
|
|
667 static ngx_int_t
|
|
|
668 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
669 {
|
|
|
670 ngx_http_proxy_ctx_t *p;
|
|
|
671
|
|
|
672 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
673
|
|
|
674 if (p == NULL) {
|
|
|
675 return NGX_OK;
|
|
|
676 }
|
|
|
677
|
|
|
678 p->status = 0;
|
|
|
679 p->status_count = 0;
|
|
|
680 p->status_start = NULL;
|
|
|
681 p->status_end = NULL;
|
|
|
682
|
|
|
683 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
684
|
|
|
685 return NGX_OK;
|
|
|
686 }
|
|
|
687
|
|
|
688
|
|
|
689 static ngx_int_t
|
|
|
690 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
691 {
|
|
|
692 ngx_int_t rc;
|
|
|
693 ngx_http_upstream_t *u;
|
|
|
694 ngx_http_proxy_ctx_t *p;
|
|
|
695
|
|
|
696 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
697
|
|
|
698 if (p == NULL) {
|
|
|
699 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
700 if (p == NULL) {
|
|
|
701 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
702 }
|
|
|
703
|
|
|
704 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
705 }
|
|
|
706
|
|
|
707 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
708
|
|
|
709 if (rc == NGX_AGAIN) {
|
|
|
710 return rc;
|
|
|
711 }
|
|
|
712
|
|
|
713 u = r->upstream;
|
|
|
714
|
|
|
715 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
716 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
717 "upstream sent no valid HTTP/1.0 header");
|
|
|
718
|
|
|
719 if (u->accel) {
|
|
|
720 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
721 }
|
|
|
722
|
|
|
723 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
724 p->status = NGX_HTTP_OK;
|
|
|
725
|
|
|
726 return NGX_OK;
|
|
|
727 }
|
|
|
728
|
|
78
|
729 u->headers_in.status_n = p->status;
|
|
58
|
730 u->state->status = p->status;
|
|
|
731
|
|
78
|
732 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
733 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
734 u->headers_in.status_line.len);
|
|
|
735 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
736 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
737 }
|
|
78
|
738 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
739 u->headers_in.status_line.len);
|
|
58
|
740
|
|
|
741 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
742 "http proxy status %ui \"%V\"",
|
|
78
|
743 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
744
|
|
|
745 u->process_header = ngx_http_proxy_process_header;
|
|
|
746
|
|
|
747 return ngx_http_proxy_process_header(r);
|
|
|
748 }
|
|
|
749
|
|
|
750
|
|
|
751 static ngx_int_t
|
|
|
752 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
753 {
|
|
|
754 u_char ch;
|
|
|
755 u_char *pos;
|
|
|
756 ngx_http_upstream_t *u;
|
|
|
757 enum {
|
|
|
758 sw_start = 0,
|
|
|
759 sw_H,
|
|
|
760 sw_HT,
|
|
|
761 sw_HTT,
|
|
|
762 sw_HTTP,
|
|
|
763 sw_first_major_digit,
|
|
|
764 sw_major_digit,
|
|
|
765 sw_first_minor_digit,
|
|
|
766 sw_minor_digit,
|
|
|
767 sw_status,
|
|
|
768 sw_space_after_status,
|
|
|
769 sw_status_text,
|
|
|
770 sw_almost_done
|
|
|
771 } state;
|
|
|
772
|
|
|
773 u = r->upstream;
|
|
|
774
|
|
|
775 state = r->state;
|
|
|
776
|
|
|
777 for (pos = u->header_in.pos; pos < u->header_in.last; pos++) {
|
|
|
778 ch = *pos;
|
|
|
779
|
|
|
780 switch (state) {
|
|
|
781
|
|
|
782 /* "HTTP/" */
|
|
|
783 case sw_start:
|
|
|
784 switch (ch) {
|
|
|
785 case 'H':
|
|
|
786 state = sw_H;
|
|
|
787 break;
|
|
|
788 default:
|
|
|
789 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
790 }
|
|
|
791 break;
|
|
|
792
|
|
|
793 case sw_H:
|
|
|
794 switch (ch) {
|
|
|
795 case 'T':
|
|
|
796 state = sw_HT;
|
|
|
797 break;
|
|
|
798 default:
|
|
|
799 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
800 }
|
|
|
801 break;
|
|
|
802
|
|
|
803 case sw_HT:
|
|
|
804 switch (ch) {
|
|
|
805 case 'T':
|
|
|
806 state = sw_HTT;
|
|
|
807 break;
|
|
|
808 default:
|
|
|
809 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
810 }
|
|
|
811 break;
|
|
|
812
|
|
|
813 case sw_HTT:
|
|
|
814 switch (ch) {
|
|
|
815 case 'P':
|
|
|
816 state = sw_HTTP;
|
|
|
817 break;
|
|
|
818 default:
|
|
|
819 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
820 }
|
|
|
821 break;
|
|
|
822
|
|
|
823 case sw_HTTP:
|
|
|
824 switch (ch) {
|
|
|
825 case '/':
|
|
|
826 state = sw_first_major_digit;
|
|
|
827 break;
|
|
|
828 default:
|
|
|
829 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
830 }
|
|
|
831 break;
|
|
|
832
|
|
|
833 /* the first digit of major HTTP version */
|
|
|
834 case sw_first_major_digit:
|
|
|
835 if (ch < '1' || ch > '9') {
|
|
|
836 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
837 }
|
|
|
838
|
|
|
839 state = sw_major_digit;
|
|
|
840 break;
|
|
|
841
|
|
|
842 /* the major HTTP version or dot */
|
|
|
843 case sw_major_digit:
|
|
|
844 if (ch == '.') {
|
|
|
845 state = sw_first_minor_digit;
|
|
|
846 break;
|
|
|
847 }
|
|
|
848
|
|
|
849 if (ch < '0' || ch > '9') {
|
|
|
850 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
851 }
|
|
|
852
|
|
|
853 break;
|
|
|
854
|
|
|
855 /* the first digit of minor HTTP version */
|
|
|
856 case sw_first_minor_digit:
|
|
|
857 if (ch < '0' || ch > '9') {
|
|
|
858 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
859 }
|
|
|
860
|
|
|
861 state = sw_minor_digit;
|
|
|
862 break;
|
|
|
863
|
|
|
864 /* the minor HTTP version or the end of the request line */
|
|
|
865 case sw_minor_digit:
|
|
|
866 if (ch == ' ') {
|
|
|
867 state = sw_status;
|
|
|
868 break;
|
|
|
869 }
|
|
|
870
|
|
|
871 if (ch < '0' || ch > '9') {
|
|
|
872 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
873 }
|
|
|
874
|
|
|
875 break;
|
|
|
876
|
|
|
877 /* HTTP status code */
|
|
|
878 case sw_status:
|
|
|
879 if (ch < '0' || ch > '9') {
|
|
|
880 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
881 }
|
|
|
882
|
|
|
883 p->status = p->status * 10 + ch - '0';
|
|
|
884
|
|
|
885 if (++p->status_count == 3) {
|
|
|
886 state = sw_space_after_status;
|
|
|
887 p->status_start = pos - 2;
|
|
|
888 }
|
|
|
889
|
|
|
890 break;
|
|
|
891
|
|
|
892 /* space or end of line */
|
|
|
893 case sw_space_after_status:
|
|
|
894 switch (ch) {
|
|
|
895 case ' ':
|
|
|
896 state = sw_status_text;
|
|
|
897 break;
|
|
|
898 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
899 state = sw_status_text;
|
|
|
900 break;
|
|
|
901 case CR:
|
|
|
902 state = sw_almost_done;
|
|
|
903 break;
|
|
|
904 case LF:
|
|
|
905 goto done;
|
|
|
906 default:
|
|
|
907 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
908 }
|
|
|
909 break;
|
|
|
910
|
|
|
911 /* any text until end of line */
|
|
|
912 case sw_status_text:
|
|
|
913 switch (ch) {
|
|
|
914 case CR:
|
|
|
915 state = sw_almost_done;
|
|
|
916
|
|
|
917 break;
|
|
|
918 case LF:
|
|
|
919 goto done;
|
|
|
920 }
|
|
|
921 break;
|
|
|
922
|
|
76
|
923 /* end of status line */
|
|
58
|
924 case sw_almost_done:
|
|
|
925 p->status_end = pos - 1;
|
|
|
926 switch (ch) {
|
|
|
927 case LF:
|
|
|
928 goto done;
|
|
|
929 default:
|
|
|
930 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
931 }
|
|
|
932 }
|
|
|
933 }
|
|
|
934
|
|
76
|
935 u->header_in.pos = pos;
|
|
58
|
936 r->state = state;
|
|
|
937
|
|
|
938 return NGX_AGAIN;
|
|
|
939
|
|
|
940 done:
|
|
|
941
|
|
|
942 u->header_in.pos = pos + 1;
|
|
|
943
|
|
|
944 if (p->status_end == NULL) {
|
|
|
945 p->status_end = pos;
|
|
|
946 }
|
|
|
947
|
|
|
948 r->state = sw_start;
|
|
|
949
|
|
|
950 return NGX_OK;
|
|
|
951 }
|
|
|
952
|
|
|
953
|
|
|
954 static ngx_int_t
|
|
|
955 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
956 {
|
|
|
957 ngx_int_t rc;
|
|
|
958 ngx_uint_t key;
|
|
|
959 ngx_table_elt_t *h;
|
|
|
960 ngx_http_upstream_header_t *hh;
|
|
|
961 ngx_http_upstream_main_conf_t *umcf;
|
|
|
962
|
|
|
963 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
964 hh = (ngx_http_upstream_header_t *) umcf->headers_in_hash.buckets;
|
|
|
965
|
|
|
966 for ( ;; ) {
|
|
|
967
|
|
|
968 rc = ngx_http_parse_header_line(r, &r->upstream->header_in);
|
|
|
969
|
|
|
970 if (rc == NGX_OK) {
|
|
|
971
|
|
|
972 /* a header line has been parsed successfully */
|
|
|
973
|
|
|
974 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
975 if (h == NULL) {
|
|
|
976 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
977 }
|
|
|
978
|
|
|
979 h->hash = r->header_hash;
|
|
|
980
|
|
|
981 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
982 h->value.len = r->header_end - r->header_start;
|
|
|
983
|
|
|
984 h->key.data = ngx_palloc(r->pool,
|
|
|
985 h->key.len + 1 + h->value.len + 1);
|
|
|
986 if (h->key.data == NULL) {
|
|
|
987 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 h->value.data = h->key.data + h->key.len + 1;
|
|
|
991
|
|
|
992 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
993 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
994
|
|
|
995 key = h->hash % umcf->headers_in_hash.hash_size;
|
|
|
996
|
|
|
997 if (hh[key].name.len == h->key.len
|
|
|
998 && ngx_strcasecmp(hh[key].name.data, h->key.data) == 0)
|
|
|
999 {
|
|
|
1000 if (hh[key].handler(r, h, hh[key].offset) != NGX_OK) {
|
|
|
1001 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1002 }
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1006 "http proxy header: \"%V: %V\"",
|
|
|
1007 &h->key, &h->value);
|
|
|
1008
|
|
|
1009 continue;
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1013
|
|
|
1014 /* a whole header has been parsed successfully */
|
|
|
1015
|
|
|
1016 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1017 "http proxy header done");
|
|
|
1018
|
|
|
1019 return NGX_OK;
|
|
|
1020 }
|
|
|
1021
|
|
70
|
1022 if (rc == NGX_AGAIN) {
|
|
|
1023 return NGX_AGAIN;
|
|
|
1024 }
|
|
|
1025
|
|
58
|
1026 /* there was error while a header line parsing */
|
|
|
1027
|
|
|
1028 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1029 ngx_http_upstream_header_errors[rc
|
|
|
1030 - NGX_HTTP_PARSE_HEADER_ERROR]);
|
|
|
1031
|
|
|
1032 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1033 }
|
|
|
1034 }
|
|
|
1035
|
|
|
1036
|
|
|
1037 static void
|
|
|
1038 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1039 {
|
|
|
1040 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1041 "abort http proxy request");
|
|
|
1042
|
|
|
1043 return;
|
|
|
1044 }
|
|
|
1045
|
|
|
1046
|
|
|
1047 static void
|
|
|
1048 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
1049 {
|
|
|
1050 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1051 "finalize http proxy request");
|
|
|
1052
|
|
|
1053 return;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056
|
|
|
1057 static ngx_http_variable_value_t *
|
|
|
1058 ngx_http_proxy_host_variable(ngx_http_request_t *r, uintptr_t data)
|
|
|
1059 {
|
|
|
1060 ngx_http_variable_value_t *vv;
|
|
|
1061 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1062
|
|
|
1063 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
1064 if (vv == NULL) {
|
|
|
1065 return NULL;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1069
|
|
|
1070 vv->value = 0;
|
|
|
1071 vv->text = plcf->host_header;
|
|
|
1072
|
|
|
1073 return vv;
|
|
|
1074 }
|
|
|
1075
|
|
|
1076
|
|
|
1077 static ngx_http_variable_value_t *
|
|
|
1078 ngx_http_proxy_port_variable(ngx_http_request_t *r, uintptr_t data)
|
|
|
1079 {
|
|
|
1080 ngx_http_variable_value_t *vv;
|
|
|
1081 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1082
|
|
|
1083 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
1084 if (vv == NULL) {
|
|
|
1085 return NULL;
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1089
|
|
|
1090 vv->value = 0;
|
|
|
1091 vv->text = plcf->port_text;
|
|
|
1092
|
|
|
1093 return vv;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096
|
|
|
1097 static ngx_http_variable_value_t *
|
|
|
1098 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
|
1099 uintptr_t data)
|
|
|
1100 {
|
|
|
1101 u_char *p;
|
|
|
1102 ngx_http_variable_value_t *vv;
|
|
|
1103
|
|
|
1104 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
1105 if (vv == NULL) {
|
|
|
1106 return NULL;
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 vv->value = 0;
|
|
|
1110
|
|
|
1111 if (r->headers_in.x_forwarded_for == NULL) {
|
|
|
1112 vv->text = r->connection->addr_text;
|
|
|
1113 return vv;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 vv->text.len = r->headers_in.x_forwarded_for->value.len
|
|
|
1117 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
|
1118
|
|
|
1119 p = ngx_palloc(r->pool, vv->text.len);
|
|
|
1120 if (p == NULL) {
|
|
|
1121 return NULL;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 vv->text.data = p;
|
|
|
1125
|
|
|
1126 p = ngx_cpymem(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1127 r->headers_in.x_forwarded_for->value.len);
|
|
|
1128
|
|
|
1129 *p++ = ','; *p++ = ' ';
|
|
|
1130
|
|
|
1131 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1132
|
|
|
1133 return vv;
|
|
|
1134 }
|
|
|
1135
|
|
|
1136
|
|
|
1137 static ngx_int_t
|
|
|
1138 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1139 size_t prefix)
|
|
|
1140 {
|
|
|
1141 ngx_int_t rc;
|
|
|
1142 ngx_uint_t i;
|
|
|
1143 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1144 ngx_http_proxy_redirect_t *pr;
|
|
|
1145
|
|
|
1146 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1147
|
|
|
1148 pr = plcf->redirects->elts;
|
|
|
1149
|
|
|
1150 if (pr == NULL) {
|
|
|
1151 return NGX_DECLINED;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
|
1155 rc = pr->handler(r, h, prefix, pr);
|
|
|
1156
|
|
|
1157 if (rc != NGX_DECLINED) {
|
|
|
1158 return rc;
|
|
|
1159 }
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 return NGX_DECLINED;
|
|
|
1163 }
|
|
|
1164
|
|
|
1165
|
|
|
1166 static ngx_int_t
|
|
|
1167 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1168 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1169 {
|
|
|
1170 size_t len;
|
|
|
1171 u_char *data, *p;
|
|
|
1172
|
|
|
1173 if (pr->redirect.len > h->value.len - prefix
|
|
|
1174 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1175 pr->redirect.len) != 0)
|
|
|
1176 {
|
|
|
1177 return NGX_DECLINED;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1181
|
|
|
1182 data = ngx_palloc(r->pool, len);
|
|
|
1183 if (data == NULL) {
|
|
|
1184 return NGX_ERROR;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 p = data;
|
|
|
1188
|
|
|
1189 if (prefix) {
|
|
|
1190 p = ngx_cpymem(p, h->value.data, prefix);
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 p = ngx_cpymem(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1194
|
|
|
1195 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1196 h->value.len - pr->redirect.len - prefix);
|
|
|
1197
|
|
|
1198 h->value.len = len;
|
|
|
1199 h->value.data = data;
|
|
|
1200
|
|
|
1201 return NGX_OK;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204
|
|
|
1205 static ngx_int_t
|
|
|
1206 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1207 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1208 {
|
|
|
1209 size_t len;
|
|
|
1210 u_char *data, *p;
|
|
|
1211 ngx_http_script_code_pt code;
|
|
|
1212 ngx_http_script_engine_t e;
|
|
|
1213 ngx_http_script_len_code_pt lcode;
|
|
|
1214
|
|
|
1215 if (pr->redirect.len > h->value.len - prefix
|
|
|
1216 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1217 pr->redirect.len) != 0)
|
|
|
1218 {
|
|
|
1219 return NGX_DECLINED;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1223
|
|
|
1224 e.ip = pr->replacement.vars.lengths;
|
|
|
1225 e.request = r;
|
|
|
1226
|
|
|
1227 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1228 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1229 }
|
|
|
1230
|
|
|
1231 data = ngx_palloc(r->pool, len);
|
|
|
1232 if (data == NULL) {
|
|
|
1233 return NGX_ERROR;
|
|
|
1234 }
|
|
|
1235
|
|
|
1236 p = data;
|
|
|
1237
|
|
|
1238 if (prefix) {
|
|
|
1239 p = ngx_cpymem(p, h->value.data, prefix);
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 e.ip = pr->replacement.vars.values;
|
|
|
1243 e.pos = p;
|
|
|
1244
|
|
|
1245 while (*(uintptr_t *) e.ip) {
|
|
|
1246 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1247 code(&e);
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 h->value.len = len;
|
|
|
1251 h->value.data = data;
|
|
|
1252
|
|
|
1253 return NGX_OK;
|
|
|
1254 }
|
|
|
1255
|
|
|
1256
|
|
|
1257 static ngx_int_t
|
|
|
1258 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1259 {
|
|
|
1260 ngx_http_variable_t *var, *v;
|
|
|
1261
|
|
|
1262 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1263 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1264 if (var == NULL) {
|
|
|
1265 return NGX_ERROR;
|
|
|
1266 }
|
|
|
1267
|
|
|
1268 var->handler = v->handler;
|
|
|
1269 var->data = v->data;
|
|
|
1270 }
|
|
|
1271
|
|
|
1272 return NGX_OK;
|
|
|
1273 }
|
|
|
1274
|
|
|
1275
|
|
|
1276 static void *
|
|
|
1277 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1278 {
|
|
|
1279 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1280
|
|
|
1281 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1282 if (conf == NULL) {
|
|
|
1283 return NGX_CONF_ERROR;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 /*
|
|
|
1287 * set by ngx_pcalloc():
|
|
|
1288 *
|
|
|
1289 * conf->upstream.bufs.num = 0;
|
|
|
1290 * conf->upstream.path = NULL;
|
|
|
1291 * conf->upstream.next_upstream = 0;
|
|
|
1292 * conf->upstream.temp_path = NULL;
|
|
|
1293 * conf->upstream.schema = { 0, NULL };
|
|
|
1294 * conf->upstream.uri = { 0, NULL };
|
|
|
1295 * conf->upstream.location = NULL;
|
|
|
1296 *
|
|
|
1297 * conf->headers_source = NULL;
|
|
|
1298 * conf->headers_set_len = NULL;
|
|
|
1299 * conf->headers_set = NULL;
|
|
|
1300 * conf->headers_set_hash = NULL;
|
|
|
1301 * conf->rewrite_locations = NULL;
|
|
|
1302 */
|
|
|
1303
|
|
|
1304 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1305 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1306 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1307
|
|
|
1308 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1309 conf->upstream.header_buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1310
|
|
|
1311 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1312 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1313 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1314
|
|
|
1315 conf->upstream.pass_unparsed_uri = NGX_CONF_UNSET;
|
|
|
1316 conf->upstream.method = NGX_CONF_UNSET_UINT;
|
|
|
1317 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1318 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1319
|
|
|
1320 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1321
|
|
|
1322 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1323 conf->upstream.cyclic_temp_file = 0;
|
|
|
1324
|
|
|
1325 conf->upstream.pass_x_powered_by = NGX_CONF_UNSET;
|
|
|
1326 conf->upstream.pass_server = NGX_CONF_UNSET;
|
|
|
1327 conf->upstream.pass_date = 0;
|
|
|
1328 conf->upstream.pass_x_accel_expires = NGX_CONF_UNSET;
|
|
|
1329
|
|
|
1330 conf->redirect = NGX_CONF_UNSET;
|
|
|
1331
|
|
|
1332 return conf;
|
|
|
1333 }
|
|
|
1334
|
|
|
1335
|
|
|
1336 static char *
|
|
|
1337 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1338 {
|
|
|
1339 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1340 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1341
|
|
|
1342 u_char *p;
|
|
|
1343 size_t size;
|
|
|
1344 uintptr_t *code;
|
|
|
1345 ngx_str_t *name;
|
|
|
1346 ngx_uint_t i;
|
|
|
1347 ngx_table_elt_t *src, *s, *h;
|
|
|
1348 ngx_http_proxy_redirect_t *pr;
|
|
|
1349 ngx_http_script_compile_t sc;
|
|
|
1350 ngx_http_script_copy_code_t *copy;
|
|
|
1351
|
|
|
1352 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1353 prev->upstream.connect_timeout, 60000);
|
|
|
1354
|
|
|
1355 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1356 prev->upstream.send_timeout, 60000);
|
|
|
1357
|
|
|
1358 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1359 prev->upstream.read_timeout, 60000);
|
|
|
1360
|
|
|
1361 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1362 prev->upstream.send_lowat, 0);
|
|
|
1363
|
|
|
1364 ngx_conf_merge_size_value(conf->upstream.header_buffer_size,
|
|
|
1365 prev->upstream.header_buffer_size,
|
|
|
1366 (size_t) ngx_pagesize);
|
|
|
1367
|
|
|
1368 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1369 8, ngx_pagesize);
|
|
|
1370
|
|
|
1371 if (conf->upstream.bufs.num < 2) {
|
|
|
1372 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1373 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1374 return NGX_CONF_ERROR;
|
|
|
1375 }
|
|
|
1376
|
|
|
1377
|
|
|
1378 size = conf->upstream.header_buffer_size;
|
|
|
1379 if (size < conf->upstream.bufs.size) {
|
|
|
1380 size = conf->upstream.bufs.size;
|
|
|
1381 }
|
|
|
1382
|
|
|
1383
|
|
78
|
1384 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1385 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1386 NGX_CONF_UNSET_SIZE);
|
|
|
1387
|
|
78
|
1388 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1389 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1390 } else {
|
|
|
1391 conf->upstream.busy_buffers_size =
|
|
|
1392 conf->upstream.busy_buffers_size_conf;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1396 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1397 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1398 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1399 "one of the \"proxy_buffers\"");
|
|
|
1400
|
|
|
1401 return NGX_CONF_ERROR;
|
|
78
|
1402 }
|
|
58
|
1403
|
|
78
|
1404 if (conf->upstream.busy_buffers_size
|
|
|
1405 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1406 {
|
|
|
1407 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1408 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1409 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1410
|
|
|
1411 return NGX_CONF_ERROR;
|
|
|
1412 }
|
|
78
|
1413
|
|
58
|
1414
|
|
78
|
1415 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1416 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1417 NGX_CONF_UNSET_SIZE);
|
|
|
1418
|
|
78
|
1419 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1420 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1421 } else {
|
|
|
1422 conf->upstream.temp_file_write_size =
|
|
|
1423 conf->upstream.temp_file_write_size_conf;
|
|
|
1424 }
|
|
|
1425
|
|
|
1426 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1427 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1428 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1429 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1430 "one of the \"proxy_buffers\"");
|
|
|
1431
|
|
|
1432 return NGX_CONF_ERROR;
|
|
|
1433 }
|
|
|
1434
|
|
78
|
1435 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1436 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1437 NGX_CONF_UNSET_SIZE);
|
|
|
1438
|
|
78
|
1439 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1440 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1441 } else {
|
|
|
1442 conf->upstream.max_temp_file_size =
|
|
|
1443 conf->upstream.max_temp_file_size_conf;
|
|
|
1444 }
|
|
58
|
1445
|
|
78
|
1446 if (conf->upstream.max_temp_file_size != 0
|
|
|
1447 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1448 {
|
|
|
1449 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1450 "\"fastcgi_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1451 "the temporary files usage or must be equal or bigger than "
|
|
|
1452 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
|
1453 "one of the \"fastcgi_buffers\"");
|
|
|
1454
|
|
|
1455 return NGX_CONF_ERROR;
|
|
|
1456 }
|
|
|
1457
|
|
78
|
1458
|
|
58
|
1459 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1460 prev->upstream.next_upstream,
|
|
|
1461 (NGX_CONF_BITMASK_SET
|
|
|
1462 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1463 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1464
|
|
|
1465 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1466 prev->upstream.temp_path,
|
|
|
1467 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1468 ngx_garbage_collector_temp_handler, cf);
|
|
|
1469
|
|
78
|
1470 ngx_conf_merge_value(conf->upstream.pass_unparsed_uri,
|
|
58
|
1471 prev->upstream.pass_unparsed_uri, 0);
|
|
|
1472
|
|
|
1473 if (conf->upstream.pass_unparsed_uri && conf->upstream.location->len > 1) {
|
|
|
1474 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
1475 "\"proxy_pass_unparsed_uri\" can be set for "
|
|
|
1476 "location \"/\" or given by regular expression.");
|
|
|
1477 return NGX_CONF_ERROR;
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 if (conf->upstream.method == NGX_CONF_UNSET_UINT) {
|
|
|
1481 conf->upstream.method = prev->upstream.method;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1485 prev->upstream.pass_request_headers, 1);
|
|
|
1486 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1487 prev->upstream.pass_request_body, 1);
|
|
|
1488
|
|
78
|
1489 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
58
|
1490 prev->upstream.redirect_errors, 0);
|
|
|
1491
|
|
78
|
1492 ngx_conf_merge_value(conf->upstream.pass_x_powered_by,
|
|
58
|
1493 prev->upstream.pass_x_powered_by, 1);
|
|
78
|
1494 ngx_conf_merge_value(conf->upstream.pass_server,
|
|
58
|
1495 prev->upstream.pass_server, 0);
|
|
78
|
1496 ngx_conf_merge_value(conf->upstream.pass_x_accel_expires,
|
|
58
|
1497 prev->upstream.pass_x_accel_expires, 0);
|
|
|
1498
|
|
|
1499
|
|
|
1500 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1501
|
|
|
1502 if (conf->redirect) {
|
|
|
1503
|
|
|
1504 if (conf->redirects == NULL) {
|
|
|
1505 conf->redirects = prev->redirects;
|
|
|
1506 }
|
|
|
1507
|
|
|
1508 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1509
|
|
|
1510 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1511 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1512 if (conf->redirects == NULL) {
|
|
|
1513 return NGX_CONF_ERROR;
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 pr = ngx_array_push(conf->redirects);
|
|
|
1517 if (pr == NULL) {
|
|
|
1518 return NGX_CONF_ERROR;
|
|
|
1519 }
|
|
|
1520
|
|
|
1521 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1522 pr->redirect = conf->upstream.url;
|
|
|
1523 pr->replacement.text = *conf->upstream.location;
|
|
|
1524 }
|
|
|
1525 }
|
|
|
1526
|
|
|
1527
|
|
|
1528 if (conf->peers == NULL) {
|
|
|
1529 conf->peers = prev->peers;
|
|
|
1530 }
|
|
|
1531
|
|
|
1532 if (conf->headers_source == NULL) {
|
|
|
1533 conf->headers_source = prev->headers_source;
|
|
|
1534 conf->headers_set_len = prev->headers_set_len;
|
|
|
1535 conf->headers_set = prev->headers_set;
|
|
|
1536 conf->headers_set_hash = prev->headers_set_hash;
|
|
|
1537 }
|
|
|
1538
|
|
|
1539 if (conf->headers_set_hash) {
|
|
|
1540 return NGX_CONF_OK;
|
|
|
1541 }
|
|
|
1542
|
|
|
1543
|
|
|
1544 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1545 if (conf->headers_names == NULL) {
|
|
|
1546 return NGX_CONF_ERROR;
|
|
|
1547 }
|
|
|
1548
|
|
|
1549 if (conf->headers_source == NULL) {
|
|
|
1550 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1551 sizeof(ngx_table_elt_t));
|
|
|
1552 if (conf->headers_source == NULL) {
|
|
|
1553 return NGX_CONF_ERROR;
|
|
|
1554 }
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1558 if (conf->headers_set_len == NULL) {
|
|
|
1559 return NGX_CONF_ERROR;
|
|
|
1560 }
|
|
|
1561
|
|
|
1562 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1563 if (conf->headers_set == NULL) {
|
|
|
1564 return NGX_CONF_ERROR;
|
|
|
1565 }
|
|
|
1566
|
|
|
1567
|
|
|
1568 src = conf->headers_source->elts;
|
|
|
1569
|
|
|
1570 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1571
|
|
|
1572 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1573 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1574 goto next;
|
|
|
1575 }
|
|
|
1576 }
|
|
|
1577
|
|
|
1578 s = ngx_array_push(conf->headers_source);
|
|
|
1579 if (s == NULL) {
|
|
|
1580 return NGX_CONF_ERROR;
|
|
|
1581 }
|
|
|
1582
|
|
|
1583 *s = *h;
|
|
|
1584
|
|
66
|
1585 src = conf->headers_source->elts;
|
|
|
1586
|
|
58
|
1587 next:
|
|
|
1588
|
|
|
1589 continue;
|
|
|
1590 }
|
|
|
1591
|
|
|
1592 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1593
|
|
|
1594 name = ngx_array_push(conf->headers_names);
|
|
|
1595 if (name == NULL) {
|
|
|
1596 return NGX_CONF_ERROR;
|
|
|
1597 }
|
|
|
1598
|
|
|
1599 *name = src[i].key;
|
|
|
1600
|
|
68
|
1601 if (src[i].value.len == 0) {
|
|
|
1602 continue;
|
|
|
1603 }
|
|
|
1604
|
|
58
|
1605 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1606 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1607 sizeof(ngx_http_script_copy_code_t));
|
|
|
1608 if (copy == NULL) {
|
|
|
1609 return NGX_CONF_ERROR;
|
|
|
1610 }
|
|
|
1611
|
|
|
1612 copy->code = (ngx_http_script_code_pt)
|
|
|
1613 ngx_http_script_copy_len_code;
|
|
|
1614 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1615 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1616
|
|
|
1617
|
|
|
1618 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1619 + src[i].key.len + sizeof(": ") - 1
|
|
|
1620 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1621 + sizeof(uintptr_t) - 1)
|
|
|
1622 & ~(sizeof(uintptr_t) - 1);
|
|
|
1623
|
|
|
1624 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1625 if (copy == NULL) {
|
|
|
1626 return NGX_CONF_ERROR;
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 copy->code = ngx_http_script_copy_code;
|
|
|
1630 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1631 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1632
|
|
|
1633 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1634
|
|
|
1635 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1636 *p++ = ':'; *p++ = ' ';
|
|
|
1637 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1638 *p++ = CR; *p = LF;
|
|
|
1639
|
|
|
1640 } else {
|
|
|
1641 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1642 sizeof(ngx_http_script_copy_code_t));
|
|
|
1643 if (copy == NULL) {
|
|
|
1644 return NGX_CONF_ERROR;
|
|
|
1645 }
|
|
|
1646
|
|
|
1647 copy->code = (ngx_http_script_code_pt)
|
|
|
1648 ngx_http_script_copy_len_code;
|
|
|
1649 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1650
|
|
|
1651
|
|
|
1652 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1653 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1654 & ~(sizeof(uintptr_t) - 1);
|
|
|
1655
|
|
|
1656 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1657 if (copy == NULL) {
|
|
|
1658 return NGX_CONF_ERROR;
|
|
|
1659 }
|
|
|
1660
|
|
|
1661 copy->code = ngx_http_script_copy_code;
|
|
|
1662 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1663
|
|
|
1664 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1665 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1666 *p++ = ':'; *p = ' ';
|
|
|
1667
|
|
|
1668
|
|
|
1669 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1670
|
|
|
1671 sc.cf = cf;
|
|
|
1672 sc.source = &src[i].value;
|
|
|
1673 sc.lengths = &conf->headers_set_len;
|
|
|
1674 sc.values = &conf->headers_set;
|
|
|
1675
|
|
|
1676 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1677 return NGX_CONF_ERROR;
|
|
|
1678 }
|
|
|
1679
|
|
|
1680
|
|
|
1681 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1682 sizeof(ngx_http_script_copy_code_t));
|
|
|
1683 if (copy == NULL) {
|
|
|
1684 return NGX_CONF_ERROR;
|
|
|
1685 }
|
|
|
1686
|
|
|
1687 copy->code = (ngx_http_script_code_pt)
|
|
|
1688 ngx_http_script_copy_len_code;
|
|
|
1689 copy->len = sizeof(CRLF) - 1;
|
|
|
1690
|
|
|
1691
|
|
|
1692 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1693 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
1694 & ~(sizeof(uintptr_t) - 1);
|
|
|
1695
|
|
|
1696 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1697 if (copy == NULL) {
|
|
|
1698 return NGX_CONF_ERROR;
|
|
|
1699 }
|
|
|
1700
|
|
|
1701 copy->code = ngx_http_script_copy_code;
|
|
|
1702 copy->len = sizeof(CRLF) - 1;
|
|
|
1703
|
|
|
1704 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1705 *p++ = CR; *p = LF;
|
|
|
1706 }
|
|
|
1707
|
|
|
1708 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1709 if (code == NULL) {
|
|
|
1710 return NGX_CONF_ERROR;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713 *code = (uintptr_t) NULL;
|
|
|
1714
|
|
|
1715 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
1716 if (code == NULL) {
|
|
|
1717 return NGX_CONF_ERROR;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 *code = (uintptr_t) NULL;
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1724 if (code == NULL) {
|
|
|
1725 return NGX_CONF_ERROR;
|
|
|
1726 }
|
|
|
1727
|
|
|
1728 *code = (uintptr_t) NULL;
|
|
|
1729
|
|
|
1730
|
|
|
1731 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash_t));
|
|
|
1732 if (conf->headers_set_hash == NULL) {
|
|
|
1733 return NGX_CONF_ERROR;
|
|
|
1734 }
|
|
|
1735
|
|
|
1736 conf->headers_set_hash->max_size = 100;
|
|
|
1737 conf->headers_set_hash->bucket_limit = 1;
|
|
|
1738 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
1739 conf->headers_set_hash->name = "proxy_headers";
|
|
|
1740
|
|
|
1741 if (ngx_hash_init(conf->headers_set_hash, cf->pool,
|
|
|
1742 conf->headers_names->elts, conf->headers_names->nelts) != NGX_OK)
|
|
|
1743 {
|
|
|
1744 return NGX_CONF_ERROR;
|
|
|
1745 }
|
|
|
1746
|
|
|
1747 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
1748 "proxy_headers hash size: %ui, "
|
|
|
1749 "max buckets per entry: %ui",
|
|
|
1750 conf->headers_set_hash->hash_size,
|
|
|
1751 conf->headers_set_hash->min_buckets);
|
|
|
1752
|
|
|
1753 return NGX_CONF_OK;
|
|
|
1754 }
|
|
|
1755
|
|
|
1756
|
|
|
1757 static char *
|
|
|
1758 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1759 {
|
|
|
1760 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
1761
|
|
|
1762 ngx_uint_t i;
|
|
|
1763 ngx_str_t *value, *url;
|
|
|
1764 ngx_inet_upstream_t inet_upstream;
|
|
|
1765 ngx_http_core_loc_conf_t *clcf;
|
|
|
1766 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1767 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1768 #endif
|
|
|
1769
|
|
|
1770 value = cf->args->elts;
|
|
|
1771
|
|
|
1772 url = &value[1];
|
|
|
1773
|
|
|
1774 if (ngx_strncasecmp(url->data, "http://", 7) != 0) {
|
|
|
1775 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
1776 return NGX_CONF_ERROR;
|
|
|
1777 }
|
|
|
1778
|
|
|
1779 if (ngx_strncasecmp(url->data + 7, "unix:", 5) == 0) {
|
|
|
1780
|
|
|
1781 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1782
|
|
|
1783 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
1784
|
|
|
1785 unix_upstream.name = *url;
|
|
|
1786 unix_upstream.url.len = url->len - 7;
|
|
|
1787 unix_upstream.url.data = url->data + 7;
|
|
|
1788 unix_upstream.uri_part = 1;
|
|
|
1789
|
|
|
1790 plcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
1791 if (plcf->peers == NULL) {
|
|
|
1792 return NGX_CONF_ERROR;
|
|
|
1793 }
|
|
|
1794
|
|
|
1795 plcf->peers->peer[0].uri_separator = ":";
|
|
|
1796
|
|
|
1797 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
1798 plcf->host_header.data = (u_char *) "localhost";
|
|
|
1799 plcf->upstream.uri = unix_upstream.uri;
|
|
|
1800
|
|
|
1801 #else
|
|
|
1802 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1803 "the unix domain sockets are not supported "
|
|
|
1804 "on this platform");
|
|
|
1805 return NGX_CONF_ERROR;
|
|
|
1806
|
|
|
1807 #endif
|
|
|
1808
|
|
|
1809 } else {
|
|
|
1810 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
1811
|
|
|
1812 inet_upstream.name = *url;
|
|
|
1813 inet_upstream.url.len = url->len - 7;
|
|
|
1814 inet_upstream.url.data = url->data + 7;
|
|
|
1815 inet_upstream.default_port_value = 80;
|
|
|
1816 inet_upstream.uri_part = 1;
|
|
|
1817
|
|
|
1818 plcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
1819 if (plcf->peers == NULL) {
|
|
|
1820 return NGX_CONF_ERROR;
|
|
|
1821 }
|
|
|
1822
|
|
|
1823 for (i = 0; i < plcf->peers->number; i++) {
|
|
76
|
1824 plcf->peers->peer[i].uri_separator = "";
|
|
58
|
1825 }
|
|
|
1826
|
|
|
1827 plcf->host_header = inet_upstream.host_header;
|
|
|
1828 plcf->port_text = inet_upstream.port_text;
|
|
|
1829 plcf->upstream.uri = inet_upstream.uri;
|
|
|
1830 }
|
|
|
1831
|
|
|
1832 plcf->upstream.schema.len = sizeof("http://") - 1;
|
|
|
1833 plcf->upstream.schema.data = (u_char *) "http://";
|
|
|
1834
|
|
|
1835 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1836
|
|
|
1837 clcf->handler = ngx_http_proxy_handler;
|
|
|
1838
|
|
|
1839 #if (NGX_PCRE)
|
|
|
1840 plcf->upstream.location = clcf->regex ? &ngx_http_proxy_uri : &clcf->name;
|
|
|
1841 #else
|
|
|
1842 plcf->upstream.location = &clcf->name;
|
|
|
1843 #endif
|
|
|
1844
|
|
|
1845 plcf->upstream.url = *url;
|
|
|
1846
|
|
|
1847 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1848 clcf->auto_redirect = 1;
|
|
|
1849 }
|
|
|
1850
|
|
|
1851 return NGX_CONF_OK;
|
|
|
1852 }
|
|
|
1853
|
|
|
1854
|
|
|
1855 static char *
|
|
|
1856 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1857 {
|
|
|
1858 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
1859
|
|
|
1860 ngx_str_t *value;
|
|
|
1861 ngx_array_t *vars_lengths, *vars_values;
|
|
|
1862 ngx_http_script_compile_t sc;
|
|
|
1863 ngx_http_proxy_redirect_t *pr;
|
|
|
1864
|
|
|
1865 if (plcf->redirect == 0) {
|
|
|
1866 return NGX_CONF_OK;
|
|
|
1867 }
|
|
|
1868
|
|
|
1869 value = cf->args->elts;
|
|
|
1870
|
|
|
1871 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1872 plcf->redirect = 0;
|
|
|
1873 plcf->redirects = NULL;
|
|
|
1874 return NGX_CONF_OK;
|
|
|
1875 }
|
|
|
1876
|
|
|
1877 if (plcf->redirects == NULL) {
|
|
|
1878 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1879 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1880 if (plcf->redirects == NULL) {
|
|
|
1881 return NGX_CONF_ERROR;
|
|
|
1882 }
|
|
|
1883 }
|
|
|
1884
|
|
|
1885 pr = ngx_array_push(plcf->redirects);
|
|
|
1886 if (pr == NULL) {
|
|
|
1887 return NGX_CONF_ERROR;
|
|
|
1888 }
|
|
|
1889
|
|
|
1890 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
1891 if (plcf->upstream.url.data == NULL) {
|
|
|
1892 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1893 "\"proxy_rewrite_location default\" must go "
|
|
|
1894 "after the \"proxy_pass\" directive");
|
|
|
1895 return NGX_CONF_ERROR;
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1899 pr->redirect = plcf->upstream.url;
|
|
|
1900 pr->replacement.text = *plcf->upstream.location;
|
|
|
1901
|
|
|
1902 return NGX_CONF_OK;
|
|
|
1903 }
|
|
|
1904
|
|
|
1905 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
1906 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1907 pr->redirect = value[1];
|
|
|
1908 pr->replacement.text = value[2];
|
|
|
1909
|
|
|
1910 return NGX_CONF_OK;
|
|
|
1911 }
|
|
|
1912
|
|
|
1913 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1914
|
|
|
1915 vars_lengths = NULL;
|
|
|
1916 vars_values = NULL;
|
|
|
1917
|
|
|
1918 sc.cf = cf;
|
|
|
1919 sc.source = &value[2];
|
|
|
1920 sc.lengths = &vars_lengths;
|
|
|
1921 sc.values = &vars_values;
|
|
|
1922 sc.complete_lengths = 1;
|
|
|
1923 sc.complete_values = 1;
|
|
|
1924
|
|
|
1925 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1926 return NGX_CONF_ERROR;
|
|
|
1927 }
|
|
|
1928
|
|
|
1929 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
1930 pr->redirect = value[1];
|
|
|
1931 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
1932 pr->replacement.vars.values = vars_values->elts;
|
|
|
1933
|
|
|
1934 return NGX_CONF_OK;
|
|
|
1935 }
|
|
|
1936
|
|
|
1937
|
|
|
1938 static char *
|
|
|
1939 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
1940 {
|
|
|
1941 #if (NGX_FREEBSD)
|
|
|
1942 ssize_t *np = data;
|
|
|
1943
|
|
|
1944 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
1945 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1946 "\"proxy_send_lowat\" must be less than %d "
|
|
|
1947 "(sysctl net.inet.tcp.sendspace)",
|
|
|
1948 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
1949
|
|
|
1950 return NGX_CONF_ERROR;
|
|
|
1951 }
|
|
|
1952
|
|
|
1953 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
1954 ssize_t *np = data;
|
|
|
1955
|
|
|
1956 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1957 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
1958
|
|
|
1959 *np = 0;
|
|
|
1960
|
|
|
1961 #endif
|
|
|
1962
|
|
|
1963 return NGX_CONF_OK;
|
|
|
1964 }
|
