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