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