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