|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11
|
|
|
12 static void ngx_http_init_request(ngx_event_t *ev);
|
|
|
13 static void ngx_http_process_request_line(ngx_event_t *rev);
|
|
|
14 static void ngx_http_process_request_headers(ngx_event_t *rev);
|
|
|
15 static ssize_t ngx_http_read_request_header(ngx_http_request_t *r);
|
|
|
16 static ngx_int_t ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
50
|
17 ngx_uint_t request_line);
|
|
58
|
18
|
|
|
19 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r,
|
|
|
20 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
72
|
21 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r,
|
|
|
22 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
376
|
23 static ngx_int_t ngx_http_process_host(ngx_http_request_t *r,
|
|
|
24 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
336
|
25 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r,
|
|
|
26 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
376
|
27 static ngx_int_t ngx_http_process_user_agent(ngx_http_request_t *r,
|
|
|
28 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
58
|
29 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r,
|
|
|
30 ngx_table_elt_t *h, ngx_uint_t offset);
|
|
|
31
|
|
0
|
32 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
|
|
308
|
33 static void ngx_http_process_request(ngx_http_request_t *r);
|
|
376
|
34 static ssize_t ngx_http_validate_host(u_char *host, size_t len);
|
|
|
35 static ngx_int_t ngx_http_find_virtual_server(ngx_http_request_t *r,
|
|
|
36 u_char *host, size_t len);
|
|
0
|
37
|
|
58
|
38 static void ngx_http_request_handler(ngx_event_t *ev);
|
|
74
|
39 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
|
|
58
|
40 static void ngx_http_writer(ngx_http_request_t *r);
|
|
426
|
41 static void ngx_http_request_finalizer(ngx_http_request_t *r);
|
|
58
|
42
|
|
0
|
43 static void ngx_http_set_keepalive(ngx_http_request_t *r);
|
|
|
44 static void ngx_http_keepalive_handler(ngx_event_t *ev);
|
|
|
45 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
|
|
|
46 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
|
|
162
|
47 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
|
|
80
|
48 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
|
|
118
|
49 static void ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error);
|
|
412
|
50 static void ngx_http_log_request(ngx_http_request_t *r);
|
|
80
|
51 static void ngx_http_close_connection(ngx_connection_t *c);
|
|
0
|
52
|
|
32
|
53 static u_char *ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len);
|
|
214
|
54 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
|
|
|
55 ngx_http_request_t *sr, u_char *buf, size_t len);
|
|
0
|
56
|
|
88
|
57 #if (NGX_HTTP_SSL)
|
|
|
58 static void ngx_http_ssl_handshake(ngx_event_t *rev);
|
|
96
|
59 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
|
|
88
|
60 #endif
|
|
|
61
|
|
0
|
62
|
|
54
|
63 static char *ngx_http_client_errors[] = {
|
|
|
64
|
|
|
65 /* NGX_HTTP_PARSE_INVALID_METHOD */
|
|
|
66 "client sent invalid method",
|
|
|
67
|
|
|
68 /* NGX_HTTP_PARSE_INVALID_REQUEST */
|
|
|
69 "client sent invalid request",
|
|
|
70
|
|
|
71 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
|
|
|
72 "client sent invalid method in HTTP/0.9 request"
|
|
0
|
73 };
|
|
|
74
|
|
|
75
|
|
|
76 ngx_http_header_t ngx_http_headers_in[] = {
|
|
400
|
77 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
|
|
|
78 ngx_http_process_host },
|
|
|
79
|
|
|
80 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
|
|
|
81 ngx_http_process_connection },
|
|
58
|
82
|
|
0
|
83 { ngx_string("If-Modified-Since"),
|
|
58
|
84 offsetof(ngx_http_headers_in_t, if_modified_since),
|
|
332
|
85 ngx_http_process_unique_header_line },
|
|
58
|
86
|
|
400
|
87 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
|
|
|
88 ngx_http_process_user_agent },
|
|
58
|
89
|
|
|
90 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
|
|
|
91 ngx_http_process_header_line },
|
|
|
92
|
|
0
|
93 { ngx_string("Content-Length"),
|
|
58
|
94 offsetof(ngx_http_headers_in_t, content_length),
|
|
72
|
95 ngx_http_process_unique_header_line },
|
|
58
|
96
|
|
28
|
97 { ngx_string("Content-Type"),
|
|
58
|
98 offsetof(ngx_http_headers_in_t, content_type),
|
|
|
99 ngx_http_process_header_line },
|
|
|
100
|
|
|
101 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
|
|
|
102 ngx_http_process_header_line },
|
|
|
103
|
|
346
|
104 { ngx_string("If-Range"),
|
|
|
105 offsetof(ngx_http_headers_in_t, if_range),
|
|
|
106 ngx_http_process_unique_header_line },
|
|
|
107
|
|
130
|
108 { ngx_string("Transfer-Encoding"),
|
|
|
109 offsetof(ngx_http_headers_in_t, transfer_encoding),
|
|
|
110 ngx_http_process_header_line },
|
|
|
111
|
|
384
|
112 { ngx_string("Expect"),
|
|
|
113 offsetof(ngx_http_headers_in_t, expect),
|
|
|
114 ngx_http_process_unique_header_line },
|
|
|
115
|
|
0
|
116 #if (NGX_HTTP_GZIP)
|
|
|
117 { ngx_string("Accept-Encoding"),
|
|
58
|
118 offsetof(ngx_http_headers_in_t, accept_encoding),
|
|
|
119 ngx_http_process_header_line },
|
|
|
120
|
|
|
121 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
|
|
|
122 ngx_http_process_header_line },
|
|
0
|
123 #endif
|
|
|
124
|
|
|
125 { ngx_string("Authorization"),
|
|
58
|
126 offsetof(ngx_http_headers_in_t, authorization),
|
|
72
|
127 ngx_http_process_unique_header_line },
|
|
58
|
128
|
|
|
129 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
|
|
|
130 ngx_http_process_header_line },
|
|
0
|
131
|
|
122
|
132 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
|
|
0
|
133 { ngx_string("X-Forwarded-For"),
|
|
58
|
134 offsetof(ngx_http_headers_in_t, x_forwarded_for),
|
|
|
135 ngx_http_process_header_line },
|
|
0
|
136 #endif
|
|
28
|
137
|
|
122
|
138 #if (NGX_HTTP_REALIP)
|
|
|
139 { ngx_string("X-Real-IP"),
|
|
|
140 offsetof(ngx_http_headers_in_t, x_real_ip),
|
|
|
141 ngx_http_process_header_line },
|
|
|
142 #endif
|
|
|
143
|
|
38
|
144 #if (NGX_HTTP_HEADERS)
|
|
58
|
145 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
|
|
|
146 ngx_http_process_header_line },
|
|
|
147
|
|
38
|
148 { ngx_string("Accept-Language"),
|
|
58
|
149 offsetof(ngx_http_headers_in_t, accept_language),
|
|
|
150 ngx_http_process_header_line },
|
|
38
|
151 #endif
|
|
|
152
|
|
186
|
153 #if (NGX_HTTP_DAV)
|
|
|
154 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
|
|
|
155 ngx_http_process_header_line },
|
|
|
156
|
|
|
157 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
|
|
|
158 ngx_http_process_header_line },
|
|
230
|
159
|
|
276
|
160 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
|
|
|
161 ngx_http_process_header_line },
|
|
|
162
|
|
230
|
163 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
|
|
|
164 ngx_http_process_header_line },
|
|
186
|
165 #endif
|
|
|
166
|
|
58
|
167 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
|
|
|
168
|
|
|
169 { ngx_null_string, 0, NULL }
|
|
0
|
170 };
|
|
|
171
|
|
|
172
|
|
50
|
173 void
|
|
|
174 ngx_http_init_connection(ngx_connection_t *c)
|
|
0
|
175 {
|
|
|
176 ngx_event_t *rev;
|
|
|
177 ngx_http_log_ctx_t *ctx;
|
|
|
178
|
|
50
|
179 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
|
|
|
180 if (ctx == NULL) {
|
|
0
|
181 ngx_http_close_connection(c);
|
|
|
182 return;
|
|
|
183 }
|
|
|
184
|
|
362
|
185 ctx->connection = c;
|
|
10
|
186 ctx->request = NULL;
|
|
214
|
187 ctx->current_request = NULL;
|
|
32
|
188
|
|
|
189 c->log->connection = c->number;
|
|
|
190 c->log->handler = ngx_http_log_error;
|
|
0
|
191 c->log->data = ctx;
|
|
32
|
192 c->log->action = "reading client request line";
|
|
|
193
|
|
0
|
194 c->log_error = NGX_ERROR_INFO;
|
|
|
195
|
|
|
196 rev = c->read;
|
|
58
|
197 rev->handler = ngx_http_init_request;
|
|
118
|
198 c->write->handler = ngx_http_empty_handler;
|
|
0
|
199
|
|
116
|
200 #if (NGX_STAT_STUB)
|
|
|
201 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
202 #endif
|
|
|
203
|
|
0
|
204 if (rev->ready) {
|
|
|
205 /* the deferred accept(), rtsig, aio, iocp */
|
|
|
206
|
|
160
|
207 if (ngx_use_accept_mutex) {
|
|
112
|
208 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
209 return;
|
|
|
210 }
|
|
|
211
|
|
|
212 ngx_http_init_request(rev);
|
|
|
213 return;
|
|
|
214 }
|
|
|
215
|
|
|
216 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
217
|
|
430
|
218 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
116
|
219 #if (NGX_STAT_STUB)
|
|
|
220 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
221 #endif
|
|
0
|
222 ngx_http_close_connection(c);
|
|
|
223 return;
|
|
|
224 }
|
|
|
225 }
|
|
|
226
|
|
|
227
|
|
190
|
228 static void
|
|
|
229 ngx_http_init_request(ngx_event_t *rev)
|
|
0
|
230 {
|
|
298
|
231 ngx_time_t *tp;
|
|
122
|
232 ngx_uint_t i;
|
|
|
233 ngx_connection_t *c;
|
|
|
234 ngx_http_request_t *r;
|
|
448
|
235 struct sockaddr_in *sin;
|
|
|
236 ngx_http_port_t *port;
|
|
|
237 ngx_http_in_addr_t *addr;
|
|
122
|
238 ngx_http_log_ctx_t *ctx;
|
|
448
|
239 ngx_http_addr_conf_t *addr_conf;
|
|
122
|
240 ngx_http_connection_t *hc;
|
|
|
241 ngx_http_core_srv_conf_t *cscf;
|
|
|
242 ngx_http_core_loc_conf_t *clcf;
|
|
|
243 ngx_http_core_main_conf_t *cmcf;
|
|
448
|
244 #if (NGX_HAVE_INET6)
|
|
|
245 struct sockaddr_in6 *sin6;
|
|
|
246 ngx_http_in6_addr_t *addr6;
|
|
|
247 #endif
|
|
0
|
248
|
|
116
|
249 #if (NGX_STAT_STUB)
|
|
|
250 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
251 #endif
|
|
|
252
|
|
0
|
253 c = rev->data;
|
|
|
254
|
|
|
255 if (rev->timedout) {
|
|
|
256 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
257
|
|
|
258 ngx_http_close_connection(c);
|
|
|
259 return;
|
|
|
260 }
|
|
|
261
|
|
|
262 hc = c->data;
|
|
|
263
|
|
116
|
264 if (hc == NULL) {
|
|
50
|
265 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
|
|
|
266 if (hc == NULL) {
|
|
0
|
267 ngx_http_close_connection(c);
|
|
|
268 return;
|
|
|
269 }
|
|
|
270 }
|
|
|
271
|
|
|
272 r = hc->request;
|
|
|
273
|
|
|
274 if (r) {
|
|
|
275 ngx_memzero(r, sizeof(ngx_http_request_t));
|
|
|
276
|
|
|
277 r->pipeline = hc->pipeline;
|
|
|
278
|
|
|
279 if (hc->nbusy) {
|
|
|
280 r->header_in = hc->busy[0];
|
|
|
281 }
|
|
|
282
|
|
|
283 } else {
|
|
50
|
284 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
|
|
|
285 if (r == NULL) {
|
|
0
|
286 ngx_http_close_connection(c);
|
|
|
287 return;
|
|
|
288 }
|
|
|
289
|
|
|
290 hc->request = r;
|
|
|
291 }
|
|
|
292
|
|
|
293 c->data = r;
|
|
|
294 r->http_connection = hc;
|
|
|
295
|
|
|
296 c->sent = 0;
|
|
|
297 r->signature = NGX_HTTP_MODULE;
|
|
|
298
|
|
|
299 /* find the server configuration for the address:port */
|
|
|
300
|
|
448
|
301 port = c->listening->servers;
|
|
|
302
|
|
362
|
303 r->connection = c;
|
|
|
304
|
|
448
|
305 if (port->naddrs > 1) {
|
|
0
|
306
|
|
|
307 /*
|
|
448
|
308 * there are several addresses on this port and one of them
|
|
|
309 * is an "*:port" wildcard so getsockname() in ngx_http_server_addr()
|
|
|
310 * is required to determine a server address
|
|
0
|
311 */
|
|
|
312
|
|
448
|
313 c->local_sockaddr = NULL;
|
|
|
314
|
|
|
315 if (ngx_http_server_addr(r, NULL) != NGX_OK) {
|
|
|
316 ngx_http_close_connection(c);
|
|
|
317 return;
|
|
|
318 }
|
|
|
319
|
|
|
320 switch (c->local_sockaddr->sa_family) {
|
|
|
321
|
|
|
322 #if (NGX_HAVE_INET6)
|
|
|
323 case AF_INET6:
|
|
|
324 sin6 = (struct sockaddr_in6 *) c->local_sockaddr;
|
|
|
325
|
|
|
326 addr6 = (ngx_http_in6_addr_t *) port->addrs;
|
|
|
327
|
|
|
328 /* the last address is "*" */
|
|
|
329
|
|
|
330 for (i = 0; i < port->naddrs - 1; i++) {
|
|
|
331 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
|
|
|
332 break;
|
|
|
333 }
|
|
|
334 }
|
|
|
335
|
|
|
336 addr_conf = &addr6[i].conf;
|
|
|
337
|
|
|
338 break;
|
|
0
|
339 #endif
|
|
448
|
340
|
|
|
341 default: /* AF_INET */
|
|
|
342 sin = (struct sockaddr_in *) c->local_sockaddr;
|
|
|
343
|
|
|
344 addr = port->addrs;
|
|
|
345
|
|
|
346 /* the last address is "*" */
|
|
|
347
|
|
|
348 for (i = 0; i < port->naddrs - 1; i++) {
|
|
|
349 if (addr[i].addr == sin->sin_addr.s_addr) {
|
|
|
350 break;
|
|
|
351 }
|
|
0
|
352 }
|
|
448
|
353
|
|
|
354 addr_conf = &addr[i].conf;
|
|
|
355
|
|
|
356 break;
|
|
0
|
357 }
|
|
|
358
|
|
|
359 } else {
|
|
448
|
360
|
|
|
361 switch (c->local_sockaddr->sa_family) {
|
|
|
362
|
|
|
363 #if (NGX_HAVE_INET6)
|
|
|
364 case AF_INET6:
|
|
|
365 addr6 = (ngx_http_in6_addr_t *) port->addrs;
|
|
|
366 addr_conf = &addr6[0].conf;
|
|
|
367 break;
|
|
|
368 #endif
|
|
|
369
|
|
|
370 default: /* AF_INET */
|
|
|
371 addr = port->addrs;
|
|
|
372 addr_conf = &addr[0].conf;
|
|
|
373 break;
|
|
|
374 }
|
|
0
|
375 }
|
|
|
376
|
|
|
377 /* the default server configuration for the address:port */
|
|
448
|
378 cscf = addr_conf->core_srv_conf;
|
|
0
|
379
|
|
|
380 r->main_conf = cscf->ctx->main_conf;
|
|
|
381 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
382 r->loc_conf = cscf->ctx->loc_conf;
|
|
|
383
|
|
58
|
384 rev->handler = ngx_http_process_request_line;
|
|
0
|
385
|
|
|
386 #if (NGX_HTTP_SSL)
|
|
|
387
|
|
356
|
388 {
|
|
|
389 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
390
|
|
0
|
391 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
448
|
392 if (sscf->enable || addr_conf->ssl) {
|
|
0
|
393
|
|
|
394 if (c->ssl == NULL) {
|
|
404
|
395
|
|
|
396 c->log->action = "SSL handshaking";
|
|
|
397
|
|
448
|
398 if (addr_conf->ssl && sscf->ssl.ctx == NULL) {
|
|
404
|
399 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
|
400 "no \"ssl_certificate\" is defined "
|
|
|
401 "in server listening on SSL port");
|
|
|
402 ngx_http_close_connection(c);
|
|
|
403 return;
|
|
|
404 }
|
|
|
405
|
|
96
|
406 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
|
454
|
407 != NGX_OK)
|
|
0
|
408 {
|
|
|
409 ngx_http_close_connection(c);
|
|
|
410 return;
|
|
|
411 }
|
|
|
412
|
|
58
|
413 rev->handler = ngx_http_ssl_handshake;
|
|
0
|
414 }
|
|
|
415
|
|
62
|
416 r->main_filter_need_in_memory = 1;
|
|
0
|
417 }
|
|
356
|
418 }
|
|
0
|
419
|
|
|
420 #endif
|
|
|
421
|
|
|
422 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
423 c->log->file = clcf->err_log->file;
|
|
|
424 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
425 c->log->log_level = clcf->err_log->log_level;
|
|
|
426 }
|
|
|
427
|
|
|
428 if (c->buffer == NULL) {
|
|
|
429 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
430 cscf->client_header_buffer_size);
|
|
|
431 if (c->buffer == NULL) {
|
|
|
432 ngx_http_close_connection(c);
|
|
|
433 return;
|
|
|
434 }
|
|
|
435 }
|
|
|
436
|
|
|
437 if (r->header_in == NULL) {
|
|
|
438 r->header_in = c->buffer;
|
|
|
439 }
|
|
|
440
|
|
50
|
441 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
442 if (r->pool == NULL) {
|
|
0
|
443 ngx_http_close_connection(c);
|
|
|
444 return;
|
|
|
445 }
|
|
|
446
|
|
|
447
|
|
|
448 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
449 sizeof(ngx_table_elt_t))
|
|
454
|
450 != NGX_OK)
|
|
0
|
451 {
|
|
|
452 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
453 return;
|
|
|
454 }
|
|
|
455
|
|
|
456 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
457 if (r->ctx == NULL) {
|
|
|
458 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
459 return;
|
|
|
460 }
|
|
|
461
|
|
122
|
462 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
463
|
|
|
464 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
465 * sizeof(ngx_http_variable_value_t));
|
|
|
466 if (r->variables == NULL) {
|
|
|
467 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
468 return;
|
|
|
469 }
|
|
|
470
|
|
0
|
471 c->single_connection = 1;
|
|
132
|
472 c->destroyed = 0;
|
|
|
473
|
|
102
|
474 r->main = r;
|
|
|
475
|
|
298
|
476 tp = ngx_timeofday();
|
|
|
477 r->start_sec = tp->sec;
|
|
|
478 r->start_msec = tp->msec;
|
|
46
|
479
|
|
180
|
480 r->method = NGX_HTTP_UNKNOWN;
|
|
|
481
|
|
0
|
482 r->headers_in.content_length_n = -1;
|
|
|
483 r->headers_in.keep_alive_n = -1;
|
|
|
484 r->headers_out.content_length_n = -1;
|
|
|
485 r->headers_out.last_modified_time = -1;
|
|
|
486
|
|
226
|
487 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
488 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
489
|
|
0
|
490 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
491
|
|
54
|
492 ctx = c->log->data;
|
|
|
493 ctx->request = r;
|
|
214
|
494 ctx->current_request = r;
|
|
58
|
495 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
496
|
|
0
|
497 #if (NGX_STAT_STUB)
|
|
110
|
498 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
499 r->stat_reading = 1;
|
|
110
|
500 ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
501 #endif
|
|
|
502
|
|
58
|
503 rev->handler(rev);
|
|
0
|
504 }
|
|
|
505
|
|
|
506
|
|
|
507 #if (NGX_HTTP_SSL)
|
|
|
508
|
|
50
|
509 static void
|
|
|
510 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
511 {
|
|
10
|
512 u_char buf[1];
|
|
|
513 ssize_t n;
|
|
0
|
514 ngx_int_t rc;
|
|
|
515 ngx_connection_t *c;
|
|
|
516 ngx_http_request_t *r;
|
|
|
517
|
|
|
518 c = rev->data;
|
|
|
519 r = c->data;
|
|
|
520
|
|
|
521 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
522 "http check ssl handshake");
|
|
|
523
|
|
|
524 if (rev->timedout) {
|
|
54
|
525 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
526 c->timedout = 1;
|
|
|
527 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
528 return;
|
|
|
529 }
|
|
|
530
|
|
132
|
531 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
532
|
|
|
533 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
534
|
|
|
535 if (!rev->timer_set) {
|
|
|
536 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
537 }
|
|
|
538
|
|
430
|
539 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
364
|
540 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
541 }
|
|
|
542
|
|
0
|
543 return;
|
|
|
544 }
|
|
|
545
|
|
|
546 if (n == 1) {
|
|
|
547 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
548 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
549 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
550
|
|
|
551 rc = ngx_ssl_handshake(c);
|
|
|
552
|
|
96
|
553 if (rc == NGX_AGAIN) {
|
|
362
|
554
|
|
|
555 if (!rev->timer_set) {
|
|
|
556 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
557 }
|
|
|
558
|
|
96
|
559 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
560 return;
|
|
|
561 }
|
|
|
562
|
|
96
|
563 ngx_http_ssl_handshake_handler(c);
|
|
|
564
|
|
|
565 return;
|
|
0
|
566
|
|
|
567 } else {
|
|
|
568 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
569 "plain http");
|
|
|
570
|
|
|
571 r->plain_http = 1;
|
|
|
572 }
|
|
|
573 }
|
|
|
574
|
|
404
|
575 c->log->action = "reading client request line";
|
|
|
576
|
|
58
|
577 rev->handler = ngx_http_process_request_line;
|
|
0
|
578 ngx_http_process_request_line(rev);
|
|
|
579 }
|
|
|
580
|
|
96
|
581
|
|
|
582 static void
|
|
|
583 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
584 {
|
|
|
585 ngx_http_request_t *r;
|
|
|
586
|
|
|
587 if (c->ssl->handshaked) {
|
|
|
588
|
|
|
589 /*
|
|
|
590 * The majority of browsers do not send the "close notify" alert.
|
|
|
591 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
592 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
593 *
|
|
|
594 * Opera and recent Mozilla send the alert.
|
|
|
595 */
|
|
|
596
|
|
|
597 c->ssl->no_wait_shutdown = 1;
|
|
|
598
|
|
|
599 c->read->handler = ngx_http_process_request_line;
|
|
|
600 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
601
|
|
|
602 ngx_http_process_request_line(c->read);
|
|
|
603
|
|
|
604 return;
|
|
|
605 }
|
|
|
606
|
|
|
607 r = c->data;
|
|
|
608
|
|
|
609 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
610
|
|
|
611 return;
|
|
|
612 }
|
|
|
613
|
|
306
|
614 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
615
|
|
|
616 int
|
|
|
617 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
618 {
|
|
400
|
619 size_t len;
|
|
306
|
620 const char *servername;
|
|
|
621 ngx_connection_t *c;
|
|
|
622 ngx_http_request_t *r;
|
|
|
623 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
624
|
|
|
625 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
626
|
|
|
627 if (servername == NULL) {
|
|
|
628 return SSL_TLSEXT_ERR_NOACK;
|
|
|
629 }
|
|
|
630
|
|
|
631 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
632
|
|
|
633 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
634 "SSL server name: \"%s\"", servername);
|
|
|
635
|
|
400
|
636 len = ngx_strlen(servername);
|
|
|
637
|
|
|
638 if (len == 0) {
|
|
|
639 return SSL_TLSEXT_ERR_NOACK;
|
|
|
640 }
|
|
|
641
|
|
306
|
642 r = c->data;
|
|
|
643
|
|
400
|
644 if (ngx_http_find_virtual_server(r, (u_char *) servername, len) != NGX_OK) {
|
|
306
|
645 return SSL_TLSEXT_ERR_NOACK;
|
|
|
646 }
|
|
|
647
|
|
|
648 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
649
|
|
|
650 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
651
|
|
|
652 return SSL_TLSEXT_ERR_OK;
|
|
|
653 }
|
|
|
654
|
|
|
655 #endif
|
|
96
|
656
|
|
0
|
657 #endif
|
|
|
658
|
|
|
659
|
|
50
|
660 static void
|
|
|
661 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
662 {
|
|
342
|
663 ssize_t n;
|
|
|
664 ngx_int_t rc, rv;
|
|
|
665 ngx_connection_t *c;
|
|
|
666 ngx_http_request_t *r;
|
|
|
667 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
668
|
|
|
669 c = rev->data;
|
|
|
670 r = c->data;
|
|
|
671
|
|
|
672 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
673 "http process request line");
|
|
|
674
|
|
|
675 if (rev->timedout) {
|
|
54
|
676 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
677 c->timedout = 1;
|
|
|
678 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
679 return;
|
|
|
680 }
|
|
|
681
|
|
|
682 rc = NGX_AGAIN;
|
|
|
683
|
|
|
684 for ( ;; ) {
|
|
|
685
|
|
|
686 if (rc == NGX_AGAIN) {
|
|
|
687 n = ngx_http_read_request_header(r);
|
|
|
688
|
|
|
689 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
690 return;
|
|
|
691 }
|
|
|
692 }
|
|
|
693
|
|
|
694 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
695
|
|
|
696 if (rc == NGX_OK) {
|
|
|
697
|
|
|
698 /* the request line has been parsed successfully */
|
|
|
699
|
|
10
|
700 r->request_line.len = r->request_end - r->request_start;
|
|
|
701 r->request_line.data = r->request_start;
|
|
392
|
702 *r->request_end = '\0';
|
|
10
|
703
|
|
0
|
704
|
|
|
705 if (r->args_start) {
|
|
|
706 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
707 } else {
|
|
|
708 r->uri.len = r->uri_end - r->uri_start;
|
|
|
709 }
|
|
|
710
|
|
18
|
711
|
|
2
|
712 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
713
|
|
382
|
714 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
|
50
|
715 if (r->uri.data == NULL) {
|
|
10
|
716 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
717 return;
|
|
|
718 }
|
|
|
719
|
|
342
|
720 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
721
|
|
|
722 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
723
|
|
54
|
724 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
725 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
726 "client sent invalid request");
|
|
|
727 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
728 return;
|
|
|
729 }
|
|
|
730
|
|
|
731 } else {
|
|
10
|
732 r->uri.data = r->uri_start;
|
|
0
|
733 }
|
|
|
734
|
|
18
|
735
|
|
10
|
736 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
737 r->unparsed_uri.data = r->uri_start;
|
|
|
738
|
|
0
|
739
|
|
58
|
740 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
741 r->method_name.data = r->request_line.data;
|
|
0
|
742
|
|
10
|
743
|
|
28
|
744 if (r->http_protocol.data) {
|
|
|
745 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
746 }
|
|
|
747
|
|
|
748
|
|
0
|
749 if (r->uri_ext) {
|
|
|
750 if (r->args_start) {
|
|
|
751 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
752 } else {
|
|
|
753 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
754 }
|
|
|
755
|
|
10
|
756 r->exten.data = r->uri_ext;
|
|
0
|
757 }
|
|
|
758
|
|
10
|
759
|
|
0
|
760 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
761 r->args.len = r->uri_end - r->args_start;
|
|
10
|
762 r->args.data = r->args_start;
|
|
0
|
763 }
|
|
|
764
|
|
10
|
765
|
|
|
766 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
767 "http request line: \"%V\"", &r->request_line);
|
|
|
768
|
|
0
|
769 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
770 "http uri: \"%V\"", &r->uri);
|
|
0
|
771
|
|
|
772 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
773 "http args: \"%V\"", &r->args);
|
|
0
|
774
|
|
|
775 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
776 "http exten: \"%V\"", &r->exten);
|
|
|
777
|
|
376
|
778 if (r->host_start && r->host_end) {
|
|
|
779 n = ngx_http_validate_host(r->host_start,
|
|
|
780 r->host_end - r->host_start);
|
|
|
781
|
|
|
782 if (n <= 0) {
|
|
|
783 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
784 "client sent invalid host in request line");
|
|
|
785 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
786 return;
|
|
|
787 }
|
|
|
788
|
|
|
789 r->headers_in.server.len = n;
|
|
|
790 r->headers_in.server.data = r->host_start;
|
|
|
791 }
|
|
|
792
|
|
0
|
793 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
794
|
|
|
795 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
796 r->headers_in.server.len)
|
|
|
797 == NGX_ERROR)
|
|
|
798 {
|
|
|
799 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
800 return;
|
|
|
801 }
|
|
|
802
|
|
308
|
803 ngx_http_process_request(r);
|
|
0
|
804 return;
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
809 sizeof(ngx_table_elt_t))
|
|
454
|
810 != NGX_OK)
|
|
0
|
811 {
|
|
|
812 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
813 return;
|
|
|
814 }
|
|
|
815
|
|
|
816
|
|
48
|
817 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
818 sizeof(ngx_table_elt_t *))
|
|
454
|
819 != NGX_OK)
|
|
0
|
820 {
|
|
|
821 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
822 return;
|
|
|
823 }
|
|
|
824
|
|
32
|
825 c->log->action = "reading client request headers";
|
|
0
|
826
|
|
58
|
827 rev->handler = ngx_http_process_request_headers;
|
|
0
|
828 ngx_http_process_request_headers(rev);
|
|
|
829
|
|
|
830 return;
|
|
54
|
831 }
|
|
|
832
|
|
|
833 if (rc != NGX_AGAIN) {
|
|
0
|
834
|
|
|
835 /* there was error while a request line parsing */
|
|
|
836
|
|
54
|
837 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
838 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
839 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
840 return;
|
|
|
841 }
|
|
|
842
|
|
|
843 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
844
|
|
|
845 if (r->header_in->pos == r->header_in->end) {
|
|
|
846
|
|
|
847 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
848
|
|
|
849 if (rv == NGX_ERROR) {
|
|
|
850 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
851 return;
|
|
|
852 }
|
|
|
853
|
|
|
854 if (rv == NGX_DECLINED) {
|
|
54
|
855 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
856 r->request_line.data = r->request_start;
|
|
|
857
|
|
|
858 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
859 "client sent too long URI");
|
|
|
860 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
861 return;
|
|
|
862 }
|
|
|
863 }
|
|
|
864 }
|
|
|
865 }
|
|
|
866
|
|
|
867
|
|
50
|
868 static void
|
|
|
869 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
870 {
|
|
56
|
871 ssize_t n;
|
|
|
872 ngx_int_t rc, rv;
|
|
|
873 ngx_str_t header;
|
|
58
|
874 ngx_table_elt_t *h;
|
|
56
|
875 ngx_connection_t *c;
|
|
|
876 ngx_http_header_t *hh;
|
|
|
877 ngx_http_request_t *r;
|
|
60
|
878 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
879 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
880
|
|
|
881 c = rev->data;
|
|
|
882 r = c->data;
|
|
|
883
|
|
|
884 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
885 "http process request header line");
|
|
|
886
|
|
|
887 if (rev->timedout) {
|
|
54
|
888 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
889 c->timedout = 1;
|
|
|
890 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
891 return;
|
|
|
892 }
|
|
|
893
|
|
56
|
894 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
895 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
896
|
|
0
|
897 rc = NGX_AGAIN;
|
|
|
898
|
|
|
899 for ( ;; ) {
|
|
|
900
|
|
|
901 if (rc == NGX_AGAIN) {
|
|
|
902
|
|
|
903 if (r->header_in->pos == r->header_in->end) {
|
|
|
904
|
|
|
905 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
906
|
|
|
907 if (rv == NGX_ERROR) {
|
|
|
908 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
909 return;
|
|
|
910 }
|
|
|
911
|
|
|
912 if (rv == NGX_DECLINED) {
|
|
54
|
913 header.len = r->header_in->end - r->header_name_start;
|
|
|
914 header.data = r->header_name_start;
|
|
80
|
915
|
|
|
916 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
917 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
918 header.data[header.len++] = '.';
|
|
|
919 header.data[header.len++] = '.';
|
|
|
920 header.data[header.len++] = '.';
|
|
|
921 }
|
|
|
922
|
|
54
|
923 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
924 "client sent too long header line: \"%V\"",
|
|
|
925 &header);
|
|
330
|
926 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
927 return;
|
|
|
928 }
|
|
|
929 }
|
|
|
930
|
|
|
931 n = ngx_http_read_request_header(r);
|
|
|
932
|
|
|
933 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
934 return;
|
|
|
935 }
|
|
|
936 }
|
|
|
937
|
|
412
|
938 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
|
939 cscf->underscores_in_headers);
|
|
0
|
940
|
|
|
941 if (rc == NGX_OK) {
|
|
|
942
|
|
60
|
943 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
944
|
|
|
945 /* there was error while a header line parsing */
|
|
|
946
|
|
|
947 header.len = r->header_end - r->header_name_start;
|
|
|
948 header.data = r->header_name_start;
|
|
|
949
|
|
54
|
950 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
951 "client sent invalid header line: \"%V\"",
|
|
52
|
952 &header);
|
|
|
953 continue;
|
|
|
954 }
|
|
|
955
|
|
0
|
956 /* a header line has been parsed successfully */
|
|
|
957
|
|
50
|
958 h = ngx_list_push(&r->headers_in.headers);
|
|
|
959 if (h == NULL) {
|
|
0
|
960 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
961 return;
|
|
|
962 }
|
|
|
963
|
|
56
|
964 h->hash = r->header_hash;
|
|
|
965
|
|
0
|
966 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
967 h->key.data = r->header_name_start;
|
|
|
968 h->key.data[h->key.len] = '\0';
|
|
|
969
|
|
|
970 h->value.len = r->header_end - r->header_start;
|
|
|
971 h->value.data = r->header_start;
|
|
|
972 h->value.data[h->value.len] = '\0';
|
|
|
973
|
|
382
|
974 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
|
198
|
975 if (h->lowcase_key == NULL) {
|
|
|
976 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
977 return;
|
|
|
978 }
|
|
|
979
|
|
|
980 if (h->key.len == r->lowcase_index) {
|
|
|
981 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
982
|
|
|
983 } else {
|
|
392
|
984 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
0
|
985 }
|
|
|
986
|
|
198
|
987 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
988 h->lowcase_key, h->key.len);
|
|
|
989
|
|
|
990 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
991 return;
|
|
|
992 }
|
|
|
993
|
|
0
|
994 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
995 "http header: \"%V: %V\"",
|
|
|
996 &h->key, &h->value);
|
|
0
|
997
|
|
|
998 continue;
|
|
54
|
999 }
|
|
|
1000
|
|
|
1001 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
1002
|
|
|
1003 /* a whole header has been parsed successfully */
|
|
|
1004
|
|
|
1005 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1006 "http header done");
|
|
|
1007
|
|
24
|
1008 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
1009
|
|
0
|
1010 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
1011
|
|
|
1012 rc = ngx_http_process_request_header(r);
|
|
|
1013
|
|
|
1014 if (rc != NGX_OK) {
|
|
|
1015 return;
|
|
|
1016 }
|
|
|
1017
|
|
308
|
1018 ngx_http_process_request(r);
|
|
86
|
1019
|
|
0
|
1020 return;
|
|
54
|
1021 }
|
|
|
1022
|
|
|
1023 if (rc == NGX_AGAIN) {
|
|
|
1024
|
|
|
1025 /* a header line parsing is still not complete */
|
|
|
1026
|
|
|
1027 continue;
|
|
0
|
1028 }
|
|
|
1029
|
|
54
|
1030 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
1031
|
|
|
1032 header.len = r->header_end - r->header_name_start;
|
|
|
1033 header.data = r->header_name_start;
|
|
|
1034 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1035 "client sent invalid header line: \"%V\\r...\"",
|
|
|
1036 &header);
|
|
330
|
1037 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
1038 return;
|
|
0
|
1039 }
|
|
|
1040 }
|
|
|
1041
|
|
|
1042
|
|
50
|
1043 static ssize_t
|
|
|
1044 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1045 {
|
|
|
1046 ssize_t n;
|
|
|
1047 ngx_event_t *rev;
|
|
230
|
1048 ngx_connection_t *c;
|
|
0
|
1049 ngx_http_core_srv_conf_t *cscf;
|
|
|
1050
|
|
230
|
1051 c = r->connection;
|
|
|
1052 rev = c->read;
|
|
0
|
1053
|
|
|
1054 n = r->header_in->last - r->header_in->pos;
|
|
|
1055
|
|
|
1056 if (n > 0) {
|
|
|
1057 return n;
|
|
|
1058 }
|
|
|
1059
|
|
72
|
1060 if (rev->ready) {
|
|
230
|
1061 n = c->recv(c, r->header_in->last,
|
|
|
1062 r->header_in->end - r->header_in->last);
|
|
72
|
1063 } else {
|
|
|
1064 n = NGX_AGAIN;
|
|
0
|
1065 }
|
|
|
1066
|
|
|
1067 if (n == NGX_AGAIN) {
|
|
364
|
1068 if (!rev->timer_set) {
|
|
0
|
1069 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1070 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1071 }
|
|
|
1072
|
|
430
|
1073 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
1074 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1075 return NGX_ERROR;
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 return NGX_AGAIN;
|
|
|
1079 }
|
|
|
1080
|
|
|
1081 if (n == 0) {
|
|
230
|
1082 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1083 "client closed prematurely connection");
|
|
|
1084 }
|
|
|
1085
|
|
|
1086 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1087 c->error = 1;
|
|
|
1088 c->log->action = "reading client request headers";
|
|
|
1089
|
|
|
1090 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1091 return NGX_ERROR;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 r->header_in->last += n;
|
|
|
1095
|
|
|
1096 return n;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099
|
|
50
|
1100 static ngx_int_t
|
|
|
1101 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1102 ngx_uint_t request_line)
|
|
0
|
1103 {
|
|
|
1104 u_char *old, *new;
|
|
|
1105 ngx_buf_t *b;
|
|
|
1106 ngx_http_connection_t *hc;
|
|
|
1107 ngx_http_core_srv_conf_t *cscf;
|
|
|
1108
|
|
|
1109 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1110 "http alloc large header buffer");
|
|
|
1111
|
|
|
1112 if (request_line && r->state == 0) {
|
|
|
1113
|
|
|
1114 /* the client fills up the buffer with "\r\n" */
|
|
|
1115
|
|
24
|
1116 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1117
|
|
0
|
1118 r->header_in->pos = r->header_in->start;
|
|
|
1119 r->header_in->last = r->header_in->start;
|
|
|
1120
|
|
|
1121 return NGX_OK;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1125
|
|
|
1126 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1127
|
|
|
1128 if (r->state != 0
|
|
|
1129 && (size_t) (r->header_in->pos - old)
|
|
|
1130 >= cscf->large_client_header_buffers.size)
|
|
|
1131 {
|
|
|
1132 return NGX_DECLINED;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 hc = r->http_connection;
|
|
|
1136
|
|
|
1137 if (hc->nfree) {
|
|
|
1138 b = hc->free[--hc->nfree];
|
|
|
1139
|
|
|
1140 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1141 "http large header free: %p %uz",
|
|
0
|
1142 b->pos, b->end - b->last);
|
|
|
1143
|
|
|
1144 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1145
|
|
|
1146 if (hc->busy == NULL) {
|
|
|
1147 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1148 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1149 if (hc->busy == NULL) {
|
|
|
1150 return NGX_ERROR;
|
|
|
1151 }
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1155 cscf->large_client_header_buffers.size);
|
|
|
1156 if (b == NULL) {
|
|
|
1157 return NGX_ERROR;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1161 "http large header alloc: %p %uz",
|
|
0
|
1162 b->pos, b->end - b->last);
|
|
|
1163
|
|
|
1164 } else {
|
|
|
1165 return NGX_DECLINED;
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 hc->busy[hc->nbusy++] = b;
|
|
|
1169
|
|
|
1170 if (r->state == 0) {
|
|
|
1171 /*
|
|
|
1172 * r->state == 0 means that a header line was parsed successfully
|
|
|
1173 * and we do not need to copy incomplete header line and
|
|
|
1174 * to relocate the parser header pointers
|
|
|
1175 */
|
|
|
1176
|
|
24
|
1177 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1178
|
|
0
|
1179 r->header_in = b;
|
|
|
1180
|
|
|
1181 return NGX_OK;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1185 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1186
|
|
24
|
1187 r->request_length += old - r->header_in->start;
|
|
|
1188
|
|
0
|
1189 new = b->start;
|
|
|
1190
|
|
|
1191 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1192
|
|
|
1193 b->pos = new + (r->header_in->pos - old);
|
|
|
1194 b->last = new + (r->header_in->pos - old);
|
|
|
1195
|
|
|
1196 if (request_line) {
|
|
|
1197 r->request_start = new;
|
|
|
1198
|
|
|
1199 if (r->request_end) {
|
|
|
1200 r->request_end = new + (r->request_end - old);
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 r->method_end = new + (r->method_end - old);
|
|
|
1204
|
|
|
1205 r->uri_start = new + (r->uri_start - old);
|
|
|
1206 r->uri_end = new + (r->uri_end - old);
|
|
|
1207
|
|
|
1208 if (r->schema_start) {
|
|
|
1209 r->schema_start = new + (r->schema_start - old);
|
|
|
1210 r->schema_end = new + (r->schema_end - old);
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 if (r->host_start) {
|
|
|
1214 r->host_start = new + (r->host_start - old);
|
|
270
|
1215 if (r->host_end) {
|
|
|
1216 r->host_end = new + (r->host_end - old);
|
|
|
1217 }
|
|
0
|
1218 }
|
|
|
1219
|
|
|
1220 if (r->port_start) {
|
|
|
1221 r->port_start = new + (r->port_start - old);
|
|
|
1222 r->port_end = new + (r->port_end - old);
|
|
|
1223 }
|
|
|
1224
|
|
|
1225 if (r->uri_ext) {
|
|
|
1226 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 if (r->args_start) {
|
|
|
1230 r->args_start = new + (r->args_start - old);
|
|
|
1231 }
|
|
|
1232
|
|
354
|
1233 if (r->http_protocol.data) {
|
|
|
1234 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1235 }
|
|
|
1236
|
|
0
|
1237 } else {
|
|
|
1238 r->header_name_start = new;
|
|
|
1239 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1240 r->header_start = new + (r->header_start - old);
|
|
|
1241 r->header_end = new + (r->header_end - old);
|
|
|
1242 }
|
|
|
1243
|
|
|
1244 r->header_in = b;
|
|
|
1245
|
|
|
1246 return NGX_OK;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249
|
|
50
|
1250 static ngx_int_t
|
|
58
|
1251 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1252 ngx_uint_t offset)
|
|
|
1253 {
|
|
|
1254 ngx_table_elt_t **ph;
|
|
|
1255
|
|
|
1256 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1257
|
|
|
1258 if (*ph == NULL) {
|
|
|
1259 *ph = h;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 return NGX_OK;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265
|
|
|
1266 static ngx_int_t
|
|
72
|
1267 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1268 ngx_uint_t offset)
|
|
|
1269 {
|
|
|
1270 ngx_table_elt_t **ph;
|
|
|
1271
|
|
|
1272 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1273
|
|
|
1274 if (*ph == NULL) {
|
|
|
1275 *ph = h;
|
|
|
1276 return NGX_OK;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1280 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1281 "previous value: \"%V: %V\"",
|
|
|
1282 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1283
|
|
|
1284 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1285
|
|
|
1286 return NGX_ERROR;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289
|
|
|
1290 static ngx_int_t
|
|
376
|
1291 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1292 ngx_uint_t offset)
|
|
|
1293 {
|
|
|
1294 ssize_t len;
|
|
|
1295
|
|
|
1296 if (r->headers_in.host == NULL) {
|
|
|
1297 r->headers_in.host = h;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1301
|
|
|
1302 if (len <= 0) {
|
|
|
1303 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1304 "client sent invalid host header");
|
|
|
1305 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1306 return NGX_ERROR;
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 if (r->headers_in.server.len) {
|
|
|
1310 return NGX_OK;
|
|
|
1311 }
|
|
|
1312
|
|
|
1313 r->headers_in.server.len = len;
|
|
|
1314 r->headers_in.server.data = h->value.data;
|
|
|
1315
|
|
|
1316 return NGX_OK;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319
|
|
|
1320 static ngx_int_t
|
|
336
|
1321 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1322 ngx_uint_t offset)
|
|
|
1323 {
|
|
340
|
1324 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1325 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1326
|
|
340
|
1327 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1328 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1329 }
|
|
|
1330
|
|
|
1331 return NGX_OK;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334
|
|
|
1335 static ngx_int_t
|
|
376
|
1336 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1337 ngx_uint_t offset)
|
|
|
1338 {
|
|
400
|
1339 u_char *user_agent, *msie;
|
|
376
|
1340
|
|
|
1341 if (r->headers_in.user_agent) {
|
|
|
1342 return NGX_OK;
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 r->headers_in.user_agent = h;
|
|
|
1346
|
|
|
1347 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1348
|
|
|
1349 user_agent = h->value.data;
|
|
|
1350
|
|
400
|
1351 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
|
1352
|
|
|
1353 if (msie && msie + 7 < user_agent + h->value.len) {
|
|
376
|
1354
|
|
|
1355 r->headers_in.msie = 1;
|
|
|
1356
|
|
400
|
1357 if (msie[6] == '.') {
|
|
|
1358
|
|
|
1359 switch (msie[5]) {
|
|
|
1360 case '4':
|
|
|
1361 r->headers_in.msie4 = 1;
|
|
|
1362 /* fall through */
|
|
|
1363 case '5':
|
|
|
1364 case '6':
|
|
|
1365 r->headers_in.msie6 = 1;
|
|
|
1366 }
|
|
376
|
1367 }
|
|
|
1368
|
|
|
1369 #if 0
|
|
|
1370 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1371 if (c->ssl) {
|
|
|
1372 c->ssl->no_send_shutdown = 1;
|
|
|
1373 }
|
|
|
1374 #endif
|
|
|
1375 }
|
|
|
1376
|
|
|
1377 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1378 r->headers_in.opera = 1;
|
|
|
1379 r->headers_in.msie = 0;
|
|
|
1380 r->headers_in.msie4 = 0;
|
|
400
|
1381 r->headers_in.msie6 = 0;
|
|
376
|
1382 }
|
|
|
1383
|
|
|
1384 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1385
|
|
|
1386 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1387 r->headers_in.gecko = 1;
|
|
|
1388
|
|
|
1389 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1390 r->headers_in.konqueror = 1;
|
|
|
1391 }
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 return NGX_OK;
|
|
|
1395 }
|
|
|
1396
|
|
|
1397
|
|
|
1398 static ngx_int_t
|
|
58
|
1399 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1400 ngx_uint_t offset)
|
|
|
1401 {
|
|
|
1402 ngx_table_elt_t **cookie;
|
|
|
1403
|
|
|
1404 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1405 if (cookie) {
|
|
|
1406 *cookie = h;
|
|
|
1407 return NGX_OK;
|
|
58
|
1408 }
|
|
|
1409
|
|
72
|
1410 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1411
|
|
|
1412 return NGX_ERROR;
|
|
58
|
1413 }
|
|
|
1414
|
|
|
1415
|
|
|
1416 static ngx_int_t
|
|
50
|
1417 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1418 {
|
|
376
|
1419 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1420 r->headers_in.server.len)
|
|
|
1421 == NGX_ERROR)
|
|
|
1422 {
|
|
|
1423 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1424 return NGX_ERROR;
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1428 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1429 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1430 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1431 return NGX_ERROR;
|
|
0
|
1432 }
|
|
|
1433
|
|
|
1434 if (r->headers_in.content_length) {
|
|
|
1435 r->headers_in.content_length_n =
|
|
212
|
1436 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1437 r->headers_in.content_length->value.len);
|
|
|
1438
|
|
|
1439 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1440 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1441 "client sent invalid \"Content-Length\" header");
|
|
130
|
1442 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1443 return NGX_ERROR;
|
|
0
|
1444 }
|
|
|
1445 }
|
|
|
1446
|
|
426
|
1447 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1448 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1449 "client sent %V method without \"Content-Length\" header",
|
|
|
1450 &r->method_name);
|
|
130
|
1451 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1452 return NGX_ERROR;
|
|
|
1453 }
|
|
|
1454
|
|
336
|
1455 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1456 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1457 "client sent TRACE method");
|
|
|
1458 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1459 return NGX_ERROR;
|
|
|
1460 }
|
|
|
1461
|
|
130
|
1462 if (r->headers_in.transfer_encoding
|
|
340
|
1463 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1464 "chunked", 7 - 1))
|
|
130
|
1465 {
|
|
|
1466 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1467 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1468 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1469 return NGX_ERROR;
|
|
0
|
1470 }
|
|
|
1471
|
|
336
|
1472 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1473 if (r->headers_in.keep_alive) {
|
|
|
1474 r->headers_in.keep_alive_n =
|
|
|
1475 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1476 r->headers_in.keep_alive->value.len);
|
|
0
|
1477 }
|
|
|
1478 }
|
|
|
1479
|
|
308
|
1480 return NGX_OK;
|
|
|
1481 }
|
|
|
1482
|
|
|
1483
|
|
|
1484 static void
|
|
|
1485 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1486 {
|
|
356
|
1487 ngx_connection_t *c;
|
|
308
|
1488
|
|
|
1489 c = r->connection;
|
|
|
1490
|
|
354
|
1491 if (r->plain_http) {
|
|
|
1492 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1493 "client sent plain HTTP request to HTTPS port");
|
|
|
1494 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1495 return;
|
|
|
1496 }
|
|
|
1497
|
|
308
|
1498 #if (NGX_HTTP_SSL)
|
|
|
1499
|
|
|
1500 if (c->ssl) {
|
|
356
|
1501 long rc;
|
|
372
|
1502 X509 *cert;
|
|
356
|
1503 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1504
|
|
218
|
1505 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1506
|
|
390
|
1507 if (sscf->verify == 1) {
|
|
308
|
1508 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1509
|
|
|
1510 if (rc != X509_V_OK) {
|
|
308
|
1511 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1512 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1513 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1514
|
|
|
1515 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1516 (SSL_get0_session(c->ssl->connection)));
|
|
|
1517
|
|
218
|
1518 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1519 return;
|
|
218
|
1520 }
|
|
|
1521
|
|
372
|
1522 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1523
|
|
|
1524 if (cert == NULL) {
|
|
308
|
1525 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
218
|
1526 "client sent no required SSL certificate");
|
|
366
|
1527
|
|
|
1528 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1529 (SSL_get0_session(c->ssl->connection)));
|
|
|
1530
|
|
218
|
1531 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
308
|
1532 return;
|
|
218
|
1533 }
|
|
372
|
1534
|
|
|
1535 X509_free(cert);
|
|
218
|
1536 }
|
|
|
1537 }
|
|
|
1538
|
|
|
1539 #endif
|
|
|
1540
|
|
308
|
1541 if (c->read->timer_set) {
|
|
|
1542 ngx_del_timer(c->read);
|
|
|
1543 }
|
|
|
1544
|
|
|
1545 #if (NGX_STAT_STUB)
|
|
|
1546 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
1547 r->stat_reading = 0;
|
|
|
1548 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
|
1549 r->stat_writing = 1;
|
|
|
1550 #endif
|
|
|
1551
|
|
|
1552 c->read->handler = ngx_http_request_handler;
|
|
|
1553 c->write->handler = ngx_http_request_handler;
|
|
326
|
1554 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1555
|
|
|
1556 ngx_http_handler(r);
|
|
|
1557
|
|
426
|
1558 ngx_http_run_posted_requests(c);
|
|
0
|
1559 }
|
|
|
1560
|
|
|
1561
|
|
376
|
1562 static ssize_t
|
|
|
1563 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1564 {
|
|
376
|
1565 u_char ch;
|
|
|
1566 size_t i, last;
|
|
|
1567 ngx_uint_t dot;
|
|
|
1568
|
|
|
1569 last = len;
|
|
|
1570 dot = 0;
|
|
|
1571
|
|
|
1572 for (i = 0; i < len; i++) {
|
|
|
1573 ch = host[i];
|
|
|
1574
|
|
|
1575 if (ch == '.') {
|
|
|
1576 if (dot) {
|
|
|
1577 return -1;
|
|
|
1578 }
|
|
|
1579
|
|
|
1580 dot = 1;
|
|
|
1581 continue;
|
|
|
1582 }
|
|
|
1583
|
|
|
1584 dot = 0;
|
|
|
1585
|
|
|
1586 if (ch == ':') {
|
|
|
1587 last = i;
|
|
|
1588 continue;
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 if (ch == '/' || ch == '\0') {
|
|
|
1592 return -1;
|
|
|
1593 }
|
|
|
1594
|
|
|
1595 #if (NGX_WIN32)
|
|
|
1596 if (ch == '\\') {
|
|
|
1597 return -1;
|
|
|
1598 }
|
|
|
1599 #endif
|
|
|
1600 }
|
|
|
1601
|
|
|
1602 if (dot) {
|
|
|
1603 last--;
|
|
|
1604 }
|
|
|
1605
|
|
|
1606 return last;
|
|
|
1607 }
|
|
|
1608
|
|
|
1609
|
|
|
1610 static ngx_int_t
|
|
|
1611 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1612 {
|
|
392
|
1613 u_char *server;
|
|
456
|
1614 size_t ncaptures;
|
|
392
|
1615 ngx_uint_t hash;
|
|
454
|
1616 ngx_http_virtual_names_t *vn;
|
|
142
|
1617 ngx_http_core_loc_conf_t *clcf;
|
|
|
1618 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1619 u_char buf[32];
|
|
|
1620
|
|
454
|
1621 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1622 vn = cscf->virtual_names;
|
|
|
1623
|
|
|
1624 if (vn == NULL) {
|
|
376
|
1625 return NGX_DECLINED;
|
|
|
1626 }
|
|
|
1627
|
|
|
1628 if (len <= 32) {
|
|
|
1629 server = buf;
|
|
|
1630
|
|
|
1631 } else {
|
|
382
|
1632 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1633 if (server == NULL) {
|
|
|
1634 return NGX_ERROR;
|
|
|
1635 }
|
|
|
1636 }
|
|
|
1637
|
|
392
|
1638 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1639
|
|
454
|
1640 cscf = ngx_hash_find_combined(&vn->names, hash, server, len);
|
|
312
|
1641
|
|
|
1642 if (cscf) {
|
|
|
1643 goto found;
|
|
26
|
1644 }
|
|
|
1645
|
|
326
|
1646 #if (NGX_PCRE)
|
|
|
1647
|
|
454
|
1648 if (vn->nregex) {
|
|
356
|
1649 ngx_int_t n;
|
|
|
1650 ngx_uint_t i;
|
|
|
1651 ngx_str_t name;
|
|
|
1652 ngx_http_server_name_t *sn;
|
|
326
|
1653
|
|
|
1654 name.len = len;
|
|
376
|
1655 name.data = server;
|
|
326
|
1656
|
|
456
|
1657 ncaptures = 0;
|
|
|
1658
|
|
454
|
1659 sn = vn->regex;
|
|
|
1660
|
|
|
1661 for (i = 0; i < vn->nregex; i++) {
|
|
326
|
1662
|
|
456
|
1663 if (sn[i].captures && r->captures == NULL) {
|
|
|
1664
|
|
|
1665 ncaptures = (NGX_HTTP_MAX_CAPTURES + 1) * 3 * sizeof(int);
|
|
|
1666
|
|
|
1667 r->captures = ngx_palloc(r->pool, ncaptures);
|
|
|
1668 if (r->captures == NULL) {
|
|
|
1669 return NGX_ERROR;
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 if (server == buf) {
|
|
|
1673 server = ngx_pnalloc(r->pool, len);
|
|
|
1674 if (server == NULL) {
|
|
|
1675 return NGX_ERROR;
|
|
|
1676 }
|
|
|
1677
|
|
|
1678 ngx_memcpy(server, buf, len);
|
|
|
1679 name.data = server;
|
|
|
1680 }
|
|
|
1681 }
|
|
|
1682
|
|
|
1683 n = ngx_regex_exec(sn[i].regex, &name, r->captures, ncaptures);
|
|
326
|
1684
|
|
|
1685 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1686 continue;
|
|
|
1687 }
|
|
|
1688
|
|
|
1689 if (n < 0) {
|
|
|
1690 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1691 ngx_regex_exec_n
|
|
|
1692 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1693 n, &name, &sn[i].name);
|
|
376
|
1694 return NGX_ERROR;
|
|
326
|
1695 }
|
|
|
1696
|
|
|
1697 /* match */
|
|
|
1698
|
|
|
1699 cscf = sn[i].core_srv_conf;
|
|
|
1700
|
|
456
|
1701 r->ncaptures = ncaptures;
|
|
|
1702 r->captures_data = server;
|
|
|
1703
|
|
326
|
1704 goto found;
|
|
|
1705 }
|
|
|
1706 }
|
|
|
1707
|
|
|
1708 #endif
|
|
|
1709
|
|
376
|
1710 return NGX_OK;
|
|
58
|
1711
|
|
|
1712 found:
|
|
|
1713
|
|
142
|
1714 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1715 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1716
|
|
|
1717 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1718 r->connection->log->file = clcf->err_log->file;
|
|
|
1719
|
|
|
1720 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
1721 r->connection->log->log_level = clcf->err_log->log_level;
|
|
26
|
1722 }
|
|
|
1723
|
|
376
|
1724 return NGX_OK;
|
|
26
|
1725 }
|
|
|
1726
|
|
|
1727
|
|
58
|
1728 static void
|
|
|
1729 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1730 {
|
|
|
1731 ngx_connection_t *c;
|
|
|
1732 ngx_http_request_t *r;
|
|
214
|
1733 ngx_http_log_ctx_t *ctx;
|
|
58
|
1734
|
|
|
1735 c = ev->data;
|
|
|
1736 r = c->data;
|
|
|
1737
|
|
214
|
1738 ctx = c->log->data;
|
|
|
1739 ctx->current_request = r;
|
|
|
1740
|
|
426
|
1741 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1742 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1743
|
|
58
|
1744 if (ev->write) {
|
|
|
1745 r->write_event_handler(r);
|
|
|
1746
|
|
|
1747 } else {
|
|
|
1748 r->read_event_handler(r);
|
|
|
1749 }
|
|
426
|
1750
|
|
|
1751 ngx_http_run_posted_requests(c);
|
|
|
1752 }
|
|
|
1753
|
|
|
1754
|
|
|
1755 void
|
|
|
1756 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1757 {
|
|
|
1758 ngx_http_request_t *r;
|
|
|
1759 ngx_http_log_ctx_t *ctx;
|
|
|
1760 ngx_http_posted_request_t *pr;
|
|
|
1761
|
|
|
1762 for ( ;; ) {
|
|
|
1763
|
|
|
1764 if (c->destroyed) {
|
|
|
1765 return;
|
|
|
1766 }
|
|
|
1767
|
|
|
1768 r = c->data;
|
|
|
1769 pr = r->main->posted_requests;
|
|
|
1770
|
|
|
1771 if (pr == NULL) {
|
|
|
1772 return;
|
|
|
1773 }
|
|
|
1774
|
|
|
1775 r->main->posted_requests = pr->next;
|
|
|
1776
|
|
|
1777 r = pr->request;
|
|
|
1778
|
|
|
1779 ctx = c->log->data;
|
|
|
1780 ctx->current_request = r;
|
|
|
1781
|
|
|
1782 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1783 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1784
|
|
|
1785 r->write_event_handler(r);
|
|
|
1786 }
|
|
|
1787 }
|
|
|
1788
|
|
|
1789
|
|
|
1790 ngx_int_t
|
|
|
1791 ngx_http_post_request(ngx_http_request_t *r)
|
|
|
1792 {
|
|
|
1793 ngx_http_posted_request_t *pr, **p;
|
|
|
1794
|
|
|
1795 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1796 if (pr == NULL) {
|
|
|
1797 return NGX_ERROR;
|
|
|
1798 }
|
|
|
1799
|
|
|
1800 pr->request = r;
|
|
|
1801 pr->next = NULL;
|
|
|
1802
|
|
|
1803 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1804
|
|
|
1805 *p = pr;
|
|
|
1806
|
|
|
1807 return NGX_OK;
|
|
58
|
1808 }
|
|
|
1809
|
|
|
1810
|
|
50
|
1811 void
|
|
58
|
1812 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1813 {
|
|
330
|
1814 ngx_connection_t *c;
|
|
58
|
1815 ngx_http_request_t *pr;
|
|
0
|
1816 ngx_http_core_loc_conf_t *clcf;
|
|
|
1817
|
|
58
|
1818 if (rc == NGX_DONE) {
|
|
118
|
1819 /* the request pool may be already destroyed */
|
|
58
|
1820 return;
|
|
|
1821 }
|
|
|
1822
|
|
330
|
1823 c = r->connection;
|
|
|
1824
|
|
426
|
1825 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1826 "http finalize request: %d, \"%V?%V\" %d",
|
|
|
1827 rc, &r->uri, &r->args, r == c->data);
|
|
132
|
1828
|
|
230
|
1829 if (rc == NGX_DECLINED) {
|
|
|
1830 r->content_handler = NULL;
|
|
|
1831 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1832 ngx_http_core_run_phases(r);
|
|
|
1833 return;
|
|
|
1834 }
|
|
|
1835
|
|
248
|
1836 if (r != r->main && r->post_subrequest) {
|
|
|
1837 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1838 }
|
|
|
1839
|
|
358
|
1840 if (rc == NGX_ERROR
|
|
|
1841 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1842 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1843 || c->error)
|
|
|
1844 {
|
|
282
|
1845 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1846 r->headers_out.status = rc;
|
|
190
|
1847 }
|
|
|
1848
|
|
162
|
1849 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1850 return;
|
|
|
1851 }
|
|
|
1852
|
|
118
|
1853 ngx_http_close_request(r, 0);
|
|
0
|
1854 return;
|
|
|
1855 }
|
|
|
1856
|
|
186
|
1857 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1858 || rc == NGX_HTTP_CREATED
|
|
|
1859 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1860 {
|
|
136
|
1861 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1862 ngx_http_close_request(r, rc);
|
|
|
1863 return;
|
|
|
1864 }
|
|
|
1865
|
|
146
|
1866 if (r == r->main) {
|
|
330
|
1867 if (c->read->timer_set) {
|
|
|
1868 ngx_del_timer(c->read);
|
|
118
|
1869 }
|
|
|
1870
|
|
330
|
1871 if (c->write->timer_set) {
|
|
|
1872 ngx_del_timer(c->write);
|
|
118
|
1873 }
|
|
|
1874 }
|
|
|
1875
|
|
410
|
1876 c->read->handler = ngx_http_request_handler;
|
|
|
1877 c->write->handler = ngx_http_request_handler;
|
|
|
1878
|
|
118
|
1879 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1880 return;
|
|
|
1881 }
|
|
|
1882
|
|
426
|
1883 if (r != r->main) {
|
|
|
1884
|
|
|
1885 if (r->buffered || r->postponed) {
|
|
|
1886
|
|
|
1887 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1888 ngx_http_close_request(r->main, 0);
|
|
|
1889 }
|
|
|
1890
|
|
74
|
1891 return;
|
|
|
1892 }
|
|
426
|
1893
|
|
|
1894 #if (NGX_DEBUG)
|
|
|
1895 if (r != c->data) {
|
|
|
1896 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1897 "http finalize non-active request: \"%V?%V\"",
|
|
|
1898 &r->uri, &r->args);
|
|
|
1899 }
|
|
|
1900 #endif
|
|
58
|
1901
|
|
|
1902 pr = r->parent;
|
|
|
1903
|
|
426
|
1904 if (r == c->data) {
|
|
|
1905
|
|
|
1906 if (!r->logged) {
|
|
|
1907
|
|
|
1908 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1909
|
|
|
1910 if (clcf->log_subrequest) {
|
|
|
1911 ngx_http_log_request(r);
|
|
|
1912 }
|
|
|
1913
|
|
|
1914 r->logged = 1;
|
|
|
1915
|
|
|
1916 } else {
|
|
|
1917 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1918 "subrequest: \"%V?%V\" logged again",
|
|
|
1919 &r->uri, &r->args);
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 r->done = 1;
|
|
|
1923
|
|
|
1924 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1925 pr->postponed = pr->postponed->next;
|
|
|
1926 }
|
|
|
1927
|
|
|
1928 c->data = pr;
|
|
|
1929
|
|
|
1930 } else {
|
|
|
1931
|
|
|
1932 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1933
|
|
|
1934 if (r->waited) {
|
|
|
1935 r->done = 1;
|
|
|
1936 }
|
|
|
1937 }
|
|
|
1938
|
|
|
1939 if (ngx_http_post_request(pr) != NGX_OK) {
|
|
|
1940 ngx_http_close_request(r->main, 0);
|
|
|
1941 return;
|
|
|
1942 }
|
|
|
1943
|
|
330
|
1944 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
426
|
1945 "http wake parent request: \"%V?%V\"",
|
|
|
1946 &pr->uri, &pr->args);
|
|
|
1947
|
|
|
1948 return;
|
|
|
1949 }
|
|
|
1950
|
|
|
1951 if (r->buffered || c->buffered || r->postponed) {
|
|
|
1952
|
|
|
1953 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1954 ngx_http_close_request(r, 0);
|
|
58
|
1955 }
|
|
|
1956
|
|
|
1957 return;
|
|
|
1958 }
|
|
0
|
1959
|
|
426
|
1960 if (r != c->data) {
|
|
|
1961 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1962 "http finalize non-active request: \"%V?%V\"",
|
|
|
1963 &r->uri, &r->args);
|
|
0
|
1964 return;
|
|
76
|
1965 }
|
|
|
1966
|
|
426
|
1967 r->done = 1;
|
|
0
|
1968
|
|
178
|
1969 if (!r->post_action) {
|
|
|
1970 r->request_complete = 1;
|
|
|
1971 }
|
|
|
1972
|
|
162
|
1973 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1974 return;
|
|
|
1975 }
|
|
|
1976
|
|
330
|
1977 if (c->read->timer_set) {
|
|
|
1978 ngx_del_timer(c->read);
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 if (c->write->timer_set) {
|
|
|
1982 c->write->delayed = 0;
|
|
|
1983 ngx_del_timer(c->write);
|
|
0
|
1984 }
|
|
|
1985
|
|
330
|
1986 if (c->destroyed) {
|
|
|
1987 return;
|
|
0
|
1988 }
|
|
|
1989
|
|
330
|
1990 if (c->read->eof) {
|
|
|
1991 ngx_http_close_request(r, 0);
|
|
138
|
1992 return;
|
|
|
1993 }
|
|
|
1994
|
|
426
|
1995 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1996
|
|
0
|
1997 if (!ngx_terminate
|
|
|
1998 && !ngx_exiting
|
|
378
|
1999 && r->keepalive
|
|
0
|
2000 && clcf->keepalive_timeout > 0)
|
|
|
2001 {
|
|
|
2002 ngx_http_set_keepalive(r);
|
|
|
2003 return;
|
|
|
2004
|
|
|
2005 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
2006 ngx_http_set_lingering_close(r);
|
|
|
2007 return;
|
|
|
2008 }
|
|
|
2009
|
|
|
2010 ngx_http_close_request(r, 0);
|
|
|
2011 }
|
|
|
2012
|
|
|
2013
|
|
74
|
2014 static ngx_int_t
|
|
50
|
2015 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
2016 {
|
|
|
2017 ngx_event_t *wev;
|
|
|
2018 ngx_http_core_loc_conf_t *clcf;
|
|
|
2019
|
|
58
|
2020 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
2021
|
|
326
|
2022 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
2023 r->write_event_handler = ngx_http_writer;
|
|
|
2024
|
|
0
|
2025 wev = r->connection->write;
|
|
|
2026
|
|
|
2027 if (wev->ready && wev->delayed) {
|
|
74
|
2028 return NGX_OK;
|
|
0
|
2029 }
|
|
|
2030
|
|
58
|
2031 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
2032 if (!wev->delayed) {
|
|
|
2033 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2034 }
|
|
|
2035
|
|
430
|
2036 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
0
|
2037 ngx_http_close_request(r, 0);
|
|
74
|
2038 return NGX_ERROR;
|
|
0
|
2039 }
|
|
74
|
2040
|
|
|
2041 return NGX_OK;
|
|
0
|
2042 }
|
|
|
2043
|
|
|
2044
|
|
58
|
2045 static void
|
|
|
2046 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
2047 {
|
|
|
2048 int rc;
|
|
58
|
2049 ngx_event_t *wev;
|
|
0
|
2050 ngx_connection_t *c;
|
|
|
2051 ngx_http_core_loc_conf_t *clcf;
|
|
|
2052
|
|
58
|
2053 c = r->connection;
|
|
|
2054 wev = c->write;
|
|
|
2055
|
|
132
|
2056 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2057 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2058
|
|
426
|
2059 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2060
|
|
0
|
2061 if (wev->timedout) {
|
|
|
2062 if (!wev->delayed) {
|
|
54
|
2063 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2064 "client timed out");
|
|
|
2065 c->timedout = 1;
|
|
116
|
2066
|
|
162
|
2067 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2068 return;
|
|
|
2069 }
|
|
|
2070
|
|
|
2071 wev->timedout = 0;
|
|
|
2072 wev->delayed = 0;
|
|
|
2073
|
|
|
2074 if (!wev->ready) {
|
|
|
2075 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2076
|
|
430
|
2077 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2078 ngx_http_close_request(r, 0);
|
|
0
|
2079 }
|
|
|
2080
|
|
|
2081 return;
|
|
|
2082 }
|
|
|
2083
|
|
|
2084 } else {
|
|
|
2085 if (wev->delayed) {
|
|
|
2086 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2087 "http writer delayed");
|
|
|
2088
|
|
430
|
2089 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2090 ngx_http_close_request(r, 0);
|
|
0
|
2091 }
|
|
|
2092
|
|
|
2093 return;
|
|
|
2094 }
|
|
|
2095 }
|
|
|
2096
|
|
132
|
2097 rc = ngx_http_output_filter(r, NULL);
|
|
|
2098
|
|
|
2099 if (c->destroyed) {
|
|
|
2100 return;
|
|
58
|
2101 }
|
|
|
2102
|
|
132
|
2103 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2104 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2105 rc, &r->uri, &r->args);
|
|
0
|
2106
|
|
426
|
2107 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2108
|
|
0
|
2109 if (!wev->ready && !wev->delayed) {
|
|
|
2110 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2111 }
|
|
|
2112
|
|
430
|
2113 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2114 ngx_http_close_request(r, 0);
|
|
0
|
2115 }
|
|
|
2116
|
|
426
|
2117 return;
|
|
0
|
2118 }
|
|
|
2119
|
|
132
|
2120 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2121 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2122
|
|
|
2123 ngx_http_finalize_request(r, rc);
|
|
|
2124 }
|
|
|
2125
|
|
|
2126
|
|
426
|
2127 static void
|
|
|
2128 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2129 {
|
|
|
2130 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2131 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2132
|
|
|
2133 ngx_http_finalize_request(r, 0);
|
|
|
2134 }
|
|
|
2135
|
|
|
2136
|
|
326
|
2137 void
|
|
|
2138 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2139 {
|
|
318
|
2140 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2141 "http reading blocked");
|
|
318
|
2142
|
|
|
2143 /* aio does not call this handler */
|
|
|
2144
|
|
|
2145 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2146 && r->connection->read->active)
|
|
|
2147 {
|
|
430
|
2148 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
318
|
2149 ngx_http_close_request(r, 0);
|
|
|
2150 }
|
|
|
2151 }
|
|
|
2152 }
|
|
|
2153
|
|
|
2154
|
|
416
|
2155 void
|
|
326
|
2156 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2157 {
|
|
276
|
2158 int n;
|
|
|
2159 char buf[1];
|
|
|
2160 ngx_err_t err;
|
|
|
2161 ngx_event_t *rev;
|
|
|
2162 ngx_connection_t *c;
|
|
|
2163
|
|
|
2164 c = r->connection;
|
|
|
2165 rev = c->read;
|
|
|
2166
|
|
326
|
2167 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2168
|
|
|
2169 #if (NGX_HAVE_KQUEUE)
|
|
|
2170
|
|
|
2171 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2172
|
|
|
2173 if (!rev->pending_eof) {
|
|
|
2174 return;
|
|
|
2175 }
|
|
|
2176
|
|
|
2177 rev->eof = 1;
|
|
|
2178 c->error = 1;
|
|
|
2179 err = rev->kq_errno;
|
|
|
2180
|
|
|
2181 goto closed;
|
|
|
2182 }
|
|
|
2183
|
|
|
2184 #endif
|
|
|
2185
|
|
|
2186 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2187
|
|
|
2188 if (n == 0) {
|
|
|
2189 rev->eof = 1;
|
|
|
2190 c->error = 1;
|
|
|
2191 err = 0;
|
|
|
2192
|
|
|
2193 goto closed;
|
|
|
2194
|
|
|
2195 } else if (n == -1) {
|
|
|
2196 err = ngx_socket_errno;
|
|
|
2197
|
|
|
2198 if (err != NGX_EAGAIN) {
|
|
|
2199 rev->eof = 1;
|
|
|
2200 c->error = 1;
|
|
|
2201
|
|
|
2202 goto closed;
|
|
|
2203 }
|
|
|
2204 }
|
|
0
|
2205
|
|
|
2206 /* aio does not call this handler */
|
|
|
2207
|
|
276
|
2208 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2209
|
|
430
|
2210 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
0
|
2211 ngx_http_close_request(r, 0);
|
|
|
2212 }
|
|
|
2213 }
|
|
276
|
2214
|
|
|
2215 return;
|
|
|
2216
|
|
|
2217 closed:
|
|
|
2218
|
|
|
2219 if (err) {
|
|
|
2220 rev->error = 1;
|
|
|
2221 }
|
|
|
2222
|
|
|
2223 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2224 "client closed prematurely connection");
|
|
|
2225
|
|
286
|
2226 ngx_http_finalize_request(r, 0);
|
|
0
|
2227 }
|
|
|
2228
|
|
|
2229
|
|
50
|
2230 static void
|
|
|
2231 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2232 {
|
|
2
|
2233 int tcp_nodelay;
|
|
0
|
2234 ngx_int_t i;
|
|
|
2235 ngx_buf_t *b, *f;
|
|
|
2236 ngx_event_t *rev, *wev;
|
|
|
2237 ngx_connection_t *c;
|
|
|
2238 ngx_http_connection_t *hc;
|
|
|
2239 ngx_http_core_srv_conf_t *cscf;
|
|
|
2240 ngx_http_core_loc_conf_t *clcf;
|
|
|
2241
|
|
|
2242 c = r->connection;
|
|
|
2243 rev = c->read;
|
|
|
2244
|
|
326
|
2245 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2246
|
|
0
|
2247 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2248
|
|
326
|
2249 if (r->discard_body) {
|
|
442
|
2250 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
2251 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2252 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2253 return;
|
|
|
2254 }
|
|
|
2255
|
|
32
|
2256 c->log->action = "closing request";
|
|
0
|
2257
|
|
|
2258 hc = r->http_connection;
|
|
|
2259 b = r->header_in;
|
|
|
2260
|
|
|
2261 if (b->pos < b->last) {
|
|
|
2262
|
|
|
2263 /* the pipelined request */
|
|
|
2264
|
|
|
2265 if (b != c->buffer) {
|
|
|
2266
|
|
4
|
2267 /*
|
|
|
2268 * If the large header buffers were allocated while the previous
|
|
|
2269 * request processing then we do not use c->buffer for
|
|
|
2270 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2271 *
|
|
4
|
2272 * Now we would move the large header buffers to the free list.
|
|
|
2273 */
|
|
0
|
2274
|
|
|
2275 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2276
|
|
|
2277 if (hc->free == NULL) {
|
|
|
2278 hc->free = ngx_palloc(c->pool,
|
|
|
2279 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2280
|
|
|
2281 if (hc->free == NULL) {
|
|
26
|
2282 ngx_http_close_request(r, 0);
|
|
0
|
2283 return;
|
|
|
2284 }
|
|
|
2285 }
|
|
|
2286
|
|
|
2287 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2288 f = hc->busy[i];
|
|
|
2289 hc->free[hc->nfree++] = f;
|
|
|
2290 f->pos = f->start;
|
|
|
2291 f->last = f->start;
|
|
|
2292 }
|
|
|
2293
|
|
|
2294 hc->busy[0] = b;
|
|
|
2295 hc->nbusy = 1;
|
|
|
2296 }
|
|
|
2297 }
|
|
|
2298
|
|
118
|
2299 ngx_http_request_done(r, 0);
|
|
|
2300
|
|
0
|
2301 c->data = hc;
|
|
|
2302
|
|
|
2303 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2304
|
|
430
|
2305 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2306 ngx_http_close_connection(c);
|
|
|
2307 return;
|
|
|
2308 }
|
|
|
2309
|
|
|
2310 wev = c->write;
|
|
58
|
2311 wev->handler = ngx_http_empty_handler;
|
|
0
|
2312
|
|
|
2313 if (b->pos < b->last) {
|
|
|
2314
|
|
|
2315 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2316
|
|
116
|
2317 #if (NGX_STAT_STUB)
|
|
|
2318 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2319 #endif
|
|
|
2320
|
|
0
|
2321 hc->pipeline = 1;
|
|
32
|
2322 c->log->action = "reading client pipelined request line";
|
|
116
|
2323
|
|
376
|
2324 rev->handler = ngx_http_init_request;
|
|
|
2325 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2326 return;
|
|
|
2327 }
|
|
|
2328
|
|
|
2329 hc->pipeline = 0;
|
|
|
2330
|
|
4
|
2331 /*
|
|
|
2332 * To keep a memory footprint as small as possible for an idle
|
|
|
2333 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2334 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2335 * The large header buffers are always allocated outside the c->pool and
|
|
|
2336 * are freed too.
|
|
|
2337 */
|
|
|
2338
|
|
0
|
2339 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2340 hc->request = NULL;
|
|
|
2341 }
|
|
|
2342
|
|
|
2343 b = c->buffer;
|
|
|
2344
|
|
|
2345 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2346
|
|
|
2347 /*
|
|
|
2348 * the special note for ngx_http_keepalive_handler() that
|
|
|
2349 * c->buffer's memory was freed
|
|
|
2350 */
|
|
|
2351
|
|
0
|
2352 b->pos = NULL;
|
|
|
2353
|
|
|
2354 } else {
|
|
|
2355 b->pos = b->start;
|
|
|
2356 b->last = b->start;
|
|
|
2357 }
|
|
|
2358
|
|
10
|
2359 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2360 hc->free, hc->nfree);
|
|
|
2361
|
|
|
2362 if (hc->free) {
|
|
|
2363 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2364 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2365 hc->free[i] = NULL;
|
|
|
2366 }
|
|
|
2367
|
|
|
2368 hc->nfree = 0;
|
|
|
2369 }
|
|
|
2370
|
|
10
|
2371 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2372 hc->busy, hc->nbusy);
|
|
|
2373
|
|
|
2374 if (hc->busy) {
|
|
|
2375 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2376 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2377 hc->busy[i] = NULL;
|
|
|
2378 }
|
|
|
2379
|
|
|
2380 hc->nbusy = 0;
|
|
|
2381 }
|
|
|
2382
|
|
358
|
2383 #if (NGX_HTTP_SSL)
|
|
|
2384 if (c->ssl) {
|
|
|
2385 ngx_ssl_free_buffer(c);
|
|
|
2386 }
|
|
|
2387 #endif
|
|
|
2388
|
|
58
|
2389 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2390
|
|
132
|
2391 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2392 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2393 ngx_http_close_connection(c);
|
|
|
2394 return;
|
|
0
|
2395 }
|
|
|
2396 }
|
|
|
2397
|
|
32
|
2398 c->log->action = "keepalive";
|
|
0
|
2399
|
|
|
2400 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2401 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2402 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2403 ngx_http_close_connection(c);
|
|
|
2404 return;
|
|
|
2405 }
|
|
2
|
2406
|
|
0
|
2407 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2408 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2409
|
|
|
2410 } else {
|
|
22
|
2411 tcp_nodelay = 1;
|
|
|
2412 }
|
|
|
2413
|
|
32
|
2414 if (tcp_nodelay
|
|
|
2415 && clcf->tcp_nodelay
|
|
|
2416 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2417 {
|
|
22
|
2418 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2419
|
|
|
2420 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2421 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2422 == -1)
|
|
22
|
2423 {
|
|
|
2424 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2425 "setsockopt(TCP_NODELAY) failed");
|
|
|
2426 ngx_http_close_connection(c);
|
|
|
2427 return;
|
|
2
|
2428 }
|
|
22
|
2429
|
|
32
|
2430 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2431 }
|
|
|
2432
|
|
|
2433 #if 0
|
|
4
|
2434 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2435 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2436 #endif
|
|
|
2437
|
|
290
|
2438 c->idle = 1;
|
|
|
2439
|
|
0
|
2440 if (rev->ready) {
|
|
376
|
2441 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2442 }
|
|
|
2443 }
|
|
|
2444
|
|
|
2445
|
|
50
|
2446 static void
|
|
|
2447 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2448 {
|
|
50
|
2449 size_t size;
|
|
|
2450 ssize_t n;
|
|
|
2451 ngx_buf_t *b;
|
|
|
2452 ngx_connection_t *c;
|
|
0
|
2453
|
|
|
2454 c = rev->data;
|
|
|
2455
|
|
|
2456 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2457
|
|
290
|
2458 if (rev->timedout || c->close) {
|
|
0
|
2459 ngx_http_close_connection(c);
|
|
|
2460 return;
|
|
|
2461 }
|
|
|
2462
|
|
18
|
2463 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2464
|
|
4
|
2465 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2466 if (rev->pending_eof) {
|
|
32
|
2467 c->log->handler = NULL;
|
|
0
|
2468 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2469 "kevent() reported that client %V closed "
|
|
32
|
2470 "keepalive connection", &c->addr_text);
|
|
22
|
2471 #if (NGX_HTTP_SSL)
|
|
|
2472 if (c->ssl) {
|
|
96
|
2473 c->ssl->no_send_shutdown = 1;
|
|
22
|
2474 }
|
|
|
2475 #endif
|
|
0
|
2476 ngx_http_close_connection(c);
|
|
|
2477 return;
|
|
|
2478 }
|
|
|
2479 }
|
|
|
2480
|
|
|
2481 #endif
|
|
|
2482
|
|
|
2483 b = c->buffer;
|
|
|
2484 size = b->end - b->start;
|
|
|
2485
|
|
|
2486 if (b->pos == NULL) {
|
|
4
|
2487
|
|
|
2488 /*
|
|
|
2489 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2490 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2491 * to keep the buffer size.
|
|
|
2492 */
|
|
|
2493
|
|
50
|
2494 b->pos = ngx_palloc(c->pool, size);
|
|
|
2495 if (b->pos == NULL) {
|
|
0
|
2496 ngx_http_close_connection(c);
|
|
|
2497 return;
|
|
|
2498 }
|
|
|
2499
|
|
|
2500 b->start = b->pos;
|
|
|
2501 b->last = b->pos;
|
|
|
2502 b->end = b->pos + size;
|
|
|
2503 }
|
|
|
2504
|
|
|
2505 /*
|
|
|
2506 * MSIE closes a keepalive connection with RST flag
|
|
|
2507 * so we ignore ECONNRESET here.
|
|
|
2508 */
|
|
|
2509
|
|
|
2510 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2511 ngx_set_socket_errno(0);
|
|
|
2512
|
|
|
2513 n = c->recv(c, b->last, size);
|
|
|
2514 c->log_error = NGX_ERROR_INFO;
|
|
|
2515
|
|
|
2516 if (n == NGX_AGAIN) {
|
|
430
|
2517 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
24
|
2518 ngx_http_close_connection(c);
|
|
|
2519 }
|
|
|
2520
|
|
0
|
2521 return;
|
|
|
2522 }
|
|
|
2523
|
|
|
2524 if (n == NGX_ERROR) {
|
|
|
2525 ngx_http_close_connection(c);
|
|
|
2526 return;
|
|
|
2527 }
|
|
|
2528
|
|
32
|
2529 c->log->handler = NULL;
|
|
0
|
2530
|
|
|
2531 if (n == 0) {
|
|
|
2532 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2533 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2534 ngx_http_close_connection(c);
|
|
|
2535 return;
|
|
|
2536 }
|
|
|
2537
|
|
|
2538 b->last += n;
|
|
32
|
2539
|
|
116
|
2540 #if (NGX_STAT_STUB)
|
|
|
2541 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2542 #endif
|
|
|
2543
|
|
32
|
2544 c->log->handler = ngx_http_log_error;
|
|
|
2545 c->log->action = "reading client request line";
|
|
0
|
2546
|
|
290
|
2547 c->idle = 0;
|
|
|
2548
|
|
0
|
2549 ngx_http_init_request(rev);
|
|
|
2550 }
|
|
|
2551
|
|
|
2552
|
|
50
|
2553 static void
|
|
|
2554 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2555 {
|
|
0
|
2556 ngx_event_t *rev, *wev;
|
|
|
2557 ngx_connection_t *c;
|
|
|
2558 ngx_http_core_loc_conf_t *clcf;
|
|
|
2559
|
|
|
2560 c = r->connection;
|
|
|
2561
|
|
|
2562 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2563
|
|
|
2564 rev = c->read;
|
|
58
|
2565 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2566
|
|
106
|
2567 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2568 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2569
|
|
430
|
2570 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2571 ngx_http_close_request(r, 0);
|
|
|
2572 return;
|
|
|
2573 }
|
|
|
2574
|
|
|
2575 wev = c->write;
|
|
58
|
2576 wev->handler = ngx_http_empty_handler;
|
|
0
|
2577
|
|
132
|
2578 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2579 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2580 ngx_http_close_request(r, 0);
|
|
|
2581 return;
|
|
0
|
2582 }
|
|
|
2583 }
|
|
|
2584
|
|
|
2585 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2586 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2587 ngx_shutdown_socket_n " failed");
|
|
|
2588 ngx_http_close_request(r, 0);
|
|
|
2589 return;
|
|
|
2590 }
|
|
|
2591
|
|
|
2592 if (rev->ready) {
|
|
|
2593 ngx_http_lingering_close_handler(rev);
|
|
|
2594 }
|
|
|
2595 }
|
|
|
2596
|
|
|
2597
|
|
50
|
2598 static void
|
|
|
2599 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2600 {
|
|
|
2601 ssize_t n;
|
|
|
2602 ngx_msec_t timer;
|
|
|
2603 ngx_connection_t *c;
|
|
|
2604 ngx_http_request_t *r;
|
|
|
2605 ngx_http_core_loc_conf_t *clcf;
|
|
|
2606 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2607
|
|
|
2608 c = rev->data;
|
|
|
2609 r = c->data;
|
|
|
2610
|
|
|
2611 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2612 "http lingering close handler");
|
|
|
2613
|
|
|
2614 if (rev->timedout) {
|
|
126
|
2615 c->timedout = 1;
|
|
0
|
2616 ngx_http_close_request(r, 0);
|
|
|
2617 return;
|
|
|
2618 }
|
|
|
2619
|
|
346
|
2620 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2621 if (timer <= 0) {
|
|
|
2622 ngx_http_close_request(r, 0);
|
|
|
2623 return;
|
|
|
2624 }
|
|
|
2625
|
|
|
2626 do {
|
|
|
2627 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2628
|
|
|
2629 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2630
|
|
|
2631 if (n == NGX_ERROR || n == 0) {
|
|
|
2632 ngx_http_close_request(r, 0);
|
|
|
2633 return;
|
|
|
2634 }
|
|
|
2635
|
|
|
2636 } while (rev->ready);
|
|
|
2637
|
|
430
|
2638 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
26
|
2639 ngx_http_close_request(r, 0);
|
|
24
|
2640 return;
|
|
|
2641 }
|
|
|
2642
|
|
0
|
2643 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2644
|
|
|
2645 timer *= 1000;
|
|
|
2646
|
|
|
2647 if (timer > clcf->lingering_timeout) {
|
|
|
2648 timer = clcf->lingering_timeout;
|
|
|
2649 }
|
|
|
2650
|
|
|
2651 ngx_add_timer(rev, timer);
|
|
|
2652 }
|
|
|
2653
|
|
|
2654
|
|
50
|
2655 void
|
|
|
2656 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2657 {
|
|
|
2658 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2659
|
|
|
2660 return;
|
|
|
2661 }
|
|
|
2662
|
|
|
2663
|
|
58
|
2664 void
|
|
|
2665 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2666 {
|
|
|
2667 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2668 "http request empty handler");
|
|
58
|
2669
|
|
|
2670 return;
|
|
|
2671 }
|
|
|
2672
|
|
|
2673
|
|
50
|
2674 ngx_int_t
|
|
130
|
2675 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2676 {
|
|
|
2677 ngx_buf_t *b;
|
|
|
2678 ngx_chain_t out;
|
|
|
2679
|
|
50
|
2680 b = ngx_calloc_buf(r->pool);
|
|
|
2681 if (b == NULL) {
|
|
0
|
2682 return NGX_ERROR;
|
|
|
2683 }
|
|
|
2684
|
|
130
|
2685 if (flags & NGX_HTTP_LAST) {
|
|
|
2686 b->last_buf = 1;
|
|
|
2687 }
|
|
|
2688
|
|
|
2689 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2690 b->flush = 1;
|
|
|
2691 }
|
|
|
2692
|
|
0
|
2693 out.buf = b;
|
|
|
2694 out.next = NULL;
|
|
|
2695
|
|
|
2696 return ngx_http_output_filter(r, &out);
|
|
|
2697 }
|
|
|
2698
|
|
|
2699
|
|
162
|
2700 static ngx_int_t
|
|
|
2701 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2702 {
|
|
|
2703 ngx_http_core_loc_conf_t *clcf;
|
|
|
2704
|
|
|
2705 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2706
|
|
|
2707 if (clcf->post_action.data == NULL) {
|
|
|
2708 return NGX_DECLINED;
|
|
|
2709 }
|
|
|
2710
|
|
172
|
2711 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2712 "post action: \"%V\"", &clcf->post_action);
|
|
|
2713
|
|
162
|
2714 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2715 r->header_only = 1;
|
|
178
|
2716 r->post_action = 1;
|
|
162
|
2717
|
|
326
|
2718 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2719
|
|
366
|
2720 if (clcf->post_action.data[0] == '/') {
|
|
|
2721 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2722
|
|
|
2723 } else {
|
|
|
2724 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2725 }
|
|
162
|
2726
|
|
|
2727 return NGX_OK;
|
|
|
2728 }
|
|
|
2729
|
|
|
2730
|
|
|
2731 static void
|
|
58
|
2732 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2733 {
|
|
188
|
2734 ngx_connection_t *c;
|
|
118
|
2735
|
|
|
2736 c = r->connection;
|
|
188
|
2737
|
|
|
2738 ngx_http_request_done(r->main, error);
|
|
118
|
2739 ngx_http_close_connection(c);
|
|
|
2740 }
|
|
|
2741
|
|
|
2742
|
|
162
|
2743 static void
|
|
118
|
2744 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2745 {
|
|
412
|
2746 ngx_log_t *log;
|
|
|
2747 struct linger linger;
|
|
|
2748 ngx_http_cleanup_t *cln;
|
|
|
2749 ngx_http_log_ctx_t *ctx;
|
|
|
2750 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2751
|
|
|
2752 log = r->connection->log;
|
|
|
2753
|
|
|
2754 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2755
|
|
|
2756 if (r->pool == NULL) {
|
|
80
|
2757 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2758 return;
|
|
|
2759 }
|
|
|
2760
|
|
188
|
2761 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2762 if (cln->handler) {
|
|
|
2763 cln->handler(cln->data);
|
|
|
2764 }
|
|
|
2765 }
|
|
|
2766
|
|
0
|
2767 #if (NGX_STAT_STUB)
|
|
116
|
2768
|
|
0
|
2769 if (r->stat_reading) {
|
|
110
|
2770 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2771 }
|
|
|
2772
|
|
|
2773 if (r->stat_writing) {
|
|
110
|
2774 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2775 }
|
|
116
|
2776
|
|
0
|
2777 #endif
|
|
|
2778
|
|
|
2779 if (error && r->headers_out.status == 0) {
|
|
|
2780 r->headers_out.status = error;
|
|
|
2781 }
|
|
|
2782
|
|
386
|
2783 log->action = "logging request";
|
|
|
2784
|
|
412
|
2785 ngx_http_log_request(r);
|
|
0
|
2786
|
|
386
|
2787 log->action = "closing request";
|
|
|
2788
|
|
0
|
2789 if (r->connection->timedout) {
|
|
|
2790 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2791
|
|
|
2792 if (clcf->reset_timedout_connection) {
|
|
58
|
2793 linger.l_onoff = 1;
|
|
|
2794 linger.l_linger = 0;
|
|
0
|
2795
|
|
|
2796 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2797 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2798 {
|
|
|
2799 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2800 "setsockopt(SO_LINGER) failed");
|
|
|
2801 }
|
|
|
2802 }
|
|
|
2803 }
|
|
|
2804
|
|
58
|
2805 /* the various request strings were allocated from r->pool */
|
|
0
|
2806 ctx = log->data;
|
|
10
|
2807 ctx->request = NULL;
|
|
0
|
2808
|
|
|
2809 r->request_line.len = 0;
|
|
|
2810
|
|
132
|
2811 r->connection->destroyed = 1;
|
|
|
2812
|
|
0
|
2813 ngx_destroy_pool(r->pool);
|
|
|
2814 }
|
|
|
2815
|
|
|
2816
|
|
80
|
2817 static void
|
|
412
|
2818 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2819 {
|
|
|
2820 ngx_uint_t i, n;
|
|
|
2821 ngx_http_handler_pt *log_handler;
|
|
|
2822 ngx_http_core_main_conf_t *cmcf;
|
|
|
2823
|
|
|
2824 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2825
|
|
|
2826 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2827 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2828
|
|
|
2829 for (i = 0; i < n; i++) {
|
|
|
2830 log_handler[i](r);
|
|
|
2831 }
|
|
|
2832 }
|
|
|
2833
|
|
|
2834
|
|
|
2835 static void
|
|
50
|
2836 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2837 {
|
|
28
|
2838 ngx_pool_t *pool;
|
|
|
2839
|
|
0
|
2840 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2841 "close http connection: %d", c->fd);
|
|
|
2842
|
|
88
|
2843 #if (NGX_HTTP_SSL)
|
|
2
|
2844
|
|
|
2845 if (c->ssl) {
|
|
|
2846 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2847 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2848 return;
|
|
|
2849 }
|
|
|
2850 }
|
|
|
2851
|
|
|
2852 #endif
|
|
|
2853
|
|
0
|
2854 #if (NGX_STAT_STUB)
|
|
110
|
2855 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2856 #endif
|
|
|
2857
|
|
132
|
2858 c->destroyed = 1;
|
|
|
2859
|
|
28
|
2860 pool = c->pool;
|
|
|
2861
|
|
0
|
2862 ngx_close_connection(c);
|
|
28
|
2863
|
|
50
|
2864 ngx_destroy_pool(pool);
|
|
0
|
2865 }
|
|
|
2866
|
|
|
2867
|
|
50
|
2868 static u_char *
|
|
|
2869 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2870 {
|
|
32
|
2871 u_char *p;
|
|
54
|
2872 ngx_http_request_t *r;
|
|
32
|
2873 ngx_http_log_ctx_t *ctx;
|
|
10
|
2874
|
|
32
|
2875 if (log->action) {
|
|
58
|
2876 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2877 len -= p - buf;
|
|
54
|
2878 buf = p;
|
|
10
|
2879 }
|
|
|
2880
|
|
58
|
2881 ctx = log->data;
|
|
|
2882
|
|
362
|
2883 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2884 len -= p - buf;
|
|
54
|
2885
|
|
|
2886 r = ctx->request;
|
|
|
2887
|
|
58
|
2888 if (r) {
|
|
214
|
2889 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2890
|
|
|
2891 } else {
|
|
|
2892 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2893 &ctx->connection->listening->addr_text);
|
|
0
|
2894 }
|
|
10
|
2895
|
|
58
|
2896 return p;
|
|
|
2897 }
|
|
|
2898
|
|
|
2899
|
|
|
2900 static u_char *
|
|
214
|
2901 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2902 u_char *buf, size_t len)
|
|
58
|
2903 {
|
|
362
|
2904 char *uri_separator;
|
|
|
2905 u_char *p;
|
|
|
2906 ngx_http_upstream_t *u;
|
|
|
2907 ngx_http_core_srv_conf_t *cscf;
|
|
|
2908
|
|
|
2909 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2910
|
|
|
2911 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2912 len -= p - buf;
|
|
|
2913 buf = p;
|
|
52
|
2914
|
|
348
|
2915 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2916 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2917 if (*p == CR || *p == LF) {
|
|
|
2918 break;
|
|
|
2919 }
|
|
|
2920 }
|
|
|
2921
|
|
|
2922 r->request_line.len = p - r->request_start;
|
|
|
2923 r->request_line.data = r->request_start;
|
|
|
2924 }
|
|
|
2925
|
|
|
2926 if (r->request_line.len) {
|
|
|
2927 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2928 len -= p - buf;
|
|
|
2929 buf = p;
|
|
10
|
2930 }
|
|
|
2931
|
|
214
|
2932 if (r != sr) {
|
|
|
2933 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2934 len -= p - buf;
|
|
|
2935 buf = p;
|
|
|
2936 }
|
|
|
2937
|
|
|
2938 u = sr->upstream;
|
|
|
2939
|
|
260
|
2940 if (u && u->peer.name) {
|
|
|
2941
|
|
|
2942 uri_separator = "";
|
|
|
2943
|
|
|
2944 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2945 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2946 uri_separator = ":";
|
|
|
2947 }
|
|
|
2948 #endif
|
|
214
|
2949
|
|
|
2950 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2951 &u->schema, u->peer.name,
|
|
260
|
2952 uri_separator, &u->uri);
|
|
214
|
2953 len -= p - buf;
|
|
|
2954 buf = p;
|
|
|
2955 }
|
|
|
2956
|
|
54
|
2957 if (r->headers_in.host) {
|
|
|
2958 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2959 &r->headers_in.host->value);
|
|
|
2960 len -= p - buf;
|
|
|
2961 buf = p;
|
|
|
2962 }
|
|
|
2963
|
|
|
2964 if (r->headers_in.referer) {
|
|
|
2965 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
2966 &r->headers_in.referer->value);
|
|
|
2967 buf = p;
|
|
|
2968 }
|
|
|
2969
|
|
|
2970 return buf;
|
|
|
2971 }
|
