nginx-1.13.12/src/http/ngx_http_special_response.c
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COLLECTED BY
Organization:
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after an embargo period.
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Alexa Crawls
Starting in 1996,
Alexa Internet
has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the
Wayback Machine
after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20180508052017/http://lxr.nginx.org:80/source/src/http/ngx_http_special_response.c
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Version:
nginx-1.13.12
]​[
nginx-1.12.2
]​
0001
0002
/*
0003
* Copyright (C) Igor Sysoev
0004
* Copyright (C) Nginx, Inc.
0005
*/
0006
0007
0008
#include

0009
#include

0010
#include
ngx_http.h
0011
#include

0012
0013
0014
static
ngx_int_t
ngx_http_send_error_page
ngx_http_request_t
0015
ngx_http_err_page_t
err_page
);
0016
static
ngx_int_t
ngx_http_send_special_response
ngx_http_request_t
0017
ngx_http_core_loc_conf_t
clcf
ngx_uint_t
err
);
0018
static
ngx_int_t
ngx_http_send_refresh
ngx_http_request_t
);
0019
0020
0021
static
u_char
ngx_http_error_full_tail
[] =
0022
"

---

"
NGINX_VER
""
CRLF
0023
""
CRLF
0024
""
CRLF
0025
0026
0027
0028
static
u_char
ngx_http_error_build_tail
[] =
0029
"

---

"
NGINX_VER_BUILD
""
CRLF
0030
""
CRLF
0031
""
CRLF
0032
0033
0034
0035
static
u_char
ngx_http_error_tail
[] =
0036
"

---

nginx"
CRLF
0037
""
CRLF
0038
""
CRLF
0039
0040
0041
0042
static
u_char
ngx_http_msie_padding
[] =
0043
""
CRLF
0044
""
CRLF
0045
""
CRLF
0046
""
CRLF
0047
""
CRLF
0048
""
CRLF
0049
0050
0051
0052
static
u_char
ngx_http_msie_refresh_head
[] =
0053
""
CRLF
0058
0059
0060
static
char
ngx_http_error_301_page
[] =
0061
""
CRLF
0062
""
CRLF
0063
""
CRLF
0064
"

301 Moved Permanently

"
CRLF
0065
0066
0067
0068
static
char
ngx_http_error_302_page
[] =
0069
""
CRLF
0070
""
CRLF
0071
""
CRLF
0072
"

302 Found

"
CRLF
0073
0074
0075
0076
static
char
ngx_http_error_303_page
[] =
0077
""
CRLF
0078
""
CRLF
0079
""
CRLF
0080
"

303 See Other

"
CRLF
0081
0082
0083
0084
static
char
ngx_http_error_307_page
[] =
0085
""
CRLF
0086
""
CRLF
0087
""
CRLF
0088
"

307 Temporary Redirect

"
CRLF
0089
0090
0091
0092
static
char
ngx_http_error_308_page
[] =
0093
""
CRLF
0094
""
CRLF
0095
""
CRLF
0096
"

308 Permanent Redirect

"
CRLF
0097
0098
0099
0100
static
char
ngx_http_error_400_page
[] =
0101
""
CRLF
0102
""
CRLF
0103
""
CRLF
0104
"

400 Bad Request

"
CRLF
0105
0106
0107
0108
static
char
ngx_http_error_401_page
[] =
0109
""
CRLF
0110
""
CRLF
0111
""
CRLF
0112
"

401 Authorization Required

"
CRLF
0113
0114
0115
0116
static
char
ngx_http_error_402_page
[] =
0117
""
CRLF
0118
""
CRLF
0119
""
CRLF
0120
"

402 Payment Required

"
CRLF
0121
0122
0123
0124
static
char
ngx_http_error_403_page
[] =
0125
""
CRLF
0126
""
CRLF
0127
""
CRLF
0128
"

403 Forbidden

"
CRLF
0129
0130
0131
0132
static
char
ngx_http_error_404_page
[] =
0133
""
CRLF
0134
""
CRLF
0135
""
CRLF
0136
"

404 Not Found

"
CRLF
0137
0138
0139
0140
static
char
ngx_http_error_405_page
[] =
0141
""
CRLF
0142
""
CRLF
0143
""
CRLF
0144
"

405 Not Allowed

"
CRLF
0145
0146
0147
0148
static
char
ngx_http_error_406_page
[] =
0149
""
CRLF
0150
""
CRLF
0151
""
CRLF
0152
"

406 Not Acceptable

"
CRLF
0153
0154
0155
0156
static
char
ngx_http_error_408_page
[] =
0157
""
CRLF
0158
""
CRLF
0159
""
CRLF
0160
"

408 Request Time-out

"
CRLF
0161
0162
0163
0164
static
char
ngx_http_error_409_page
[] =
0165
""
CRLF
0166
""
CRLF
0167
""
CRLF
0168
"

409 Conflict

"
CRLF
0169
0170
0171
0172
static
char
ngx_http_error_410_page
[] =
0173
""
CRLF
0174
""
CRLF
0175
""
CRLF
0176
"

410 Gone

"
CRLF
0177
0178
0179
0180
static
char
ngx_http_error_411_page
[] =
0181
""
CRLF
0182
""
CRLF
0183
""
CRLF
0184
"

411 Length Required

"
CRLF
0185
0186
0187
0188
static
char
ngx_http_error_412_page
[] =
0189
""
CRLF
0190
""
CRLF
0191
""
CRLF
0192
"

412 Precondition Failed

"
CRLF
0193
0194
0195
0196
static
char
ngx_http_error_413_page
[] =
0197
""
CRLF
0198
""
CRLF
0199
""
CRLF
0200
"

413 Request Entity Too Large

"
CRLF
0201
0202
0203
0204
static
char
ngx_http_error_414_page
[] =
0205
""
CRLF
0206
""
CRLF
0207
""
CRLF
0208
"

414 Request-URI Too Large

"
CRLF
0209
0210
0211
0212
static
char
ngx_http_error_415_page
[] =
0213
""
CRLF
0214
""
CRLF
0215
""
CRLF
0216
"

415 Unsupported Media Type

"
CRLF
0217
0218
0219
0220
static
char
ngx_http_error_416_page
[] =
0221
""
CRLF
0222
""
CRLF
0223
""
CRLF
0224
"

416 Requested Range Not Satisfiable

"
CRLF
0225
0226
0227
0228
static
char
ngx_http_error_421_page
[] =
0229
""
CRLF
0230
""
CRLF
0231
""
CRLF
0232
"

421 Misdirected Request

"
CRLF
0233
0234
0235
0236
static
char
ngx_http_error_429_page
[] =
0237
""
CRLF
0238
""
CRLF
0239
""
CRLF
0240
"

429 Too Many Requests

"
CRLF
0241
0242
0243
0244
static
char
ngx_http_error_494_page
[] =
0245
""
CRLF
0246
""
0247
CRLF
0248
""
CRLF
0249
"

400 Bad Request

"
CRLF
0250
"Request Header Or Cookie Too Large"
CRLF
0251
0252
0253
0254
static
char
ngx_http_error_495_page
[] =
0255
""
CRLF
0256
""
0257
CRLF
0258
""
CRLF
0259
"

400 Bad Request

"
CRLF
0260
"The SSL certificate error"
CRLF
0261
0262
0263
0264
static
char
ngx_http_error_496_page
[] =
0265
""
CRLF
0266
""
0267
CRLF
0268
""
CRLF
0269
"

400 Bad Request

"
CRLF
0270
"No required SSL certificate was sent"
CRLF
0271
0272
0273
0274
static
char
ngx_http_error_497_page
[] =
0275
""
CRLF
0276
""
0277
CRLF
0278
""
CRLF
0279
"

400 Bad Request

"
CRLF
0280
"The plain HTTP request was sent to HTTPS port"
CRLF
0281
0282
0283
0284
static
char
ngx_http_error_500_page
[] =
0285
""
CRLF
0286
""
CRLF
0287
""
CRLF
0288
"

500 Internal Server Error

"
CRLF
0289
0290
0291
0292
static
char
ngx_http_error_501_page
[] =
0293
""
CRLF
0294
""
CRLF
0295
""
CRLF
0296
"

501 Not Implemented

"
CRLF
0297
0298
0299
0300
static
char
ngx_http_error_502_page
[] =
0301
""
CRLF
0302
""
CRLF
0303
""
CRLF
0304
"

502 Bad Gateway

"
CRLF
0305
0306
0307
0308
static
char
ngx_http_error_503_page
[] =
0309
""
CRLF
0310
""
CRLF
0311
""
CRLF
0312
"

503 Service Temporarily Unavailable

"
CRLF
0313
0314
0315
0316
static
char
ngx_http_error_504_page
[] =
0317
""
CRLF
0318
""
CRLF
0319
""
CRLF
0320
"

504 Gateway Time-out

"
CRLF
0321
0322
0323
0324
static
char
ngx_http_error_505_page
[] =
0325
""
CRLF
0326
""
CRLF
0327
""
CRLF
0328
"

505 HTTP Version Not Supported

"
CRLF
0329
0330
0331
0332
static
char
ngx_http_error_507_page
[] =
0333
""
CRLF
0334
""
CRLF
0335
""
CRLF
0336
"

507 Insufficient Storage

"
CRLF
0337
0338
0339
0340
static
ngx_str_t
ngx_http_error_pages
[] = {
0341
0342
ngx_null_string
/* 201, 204 */
0343
0344
#define
NGX_HTTP_LAST_2XX
202
0345
#define
NGX_HTTP_OFF_3XX
NGX_HTTP_LAST_2XX
- 201)
0346
0347
/* ngx_null_string, */
/* 300 */
0348
ngx_string
ngx_http_error_301_page
),
0349
ngx_string
ngx_http_error_302_page
),
0350
ngx_string
ngx_http_error_303_page
),
0351
ngx_null_string
/* 304 */
0352
ngx_null_string
/* 305 */
0353
ngx_null_string
/* 306 */
0354
ngx_string
ngx_http_error_307_page
),
0355
ngx_string
ngx_http_error_308_page
),
0356
0357
#define
NGX_HTTP_LAST_3XX
309
0358
#define
NGX_HTTP_OFF_4XX
NGX_HTTP_LAST_3XX
- 301 +
NGX_HTTP_OFF_3XX
0359
0360
ngx_string
ngx_http_error_400_page
),
0361
ngx_string
ngx_http_error_401_page
),
0362
ngx_string
ngx_http_error_402_page
),
0363
ngx_string
ngx_http_error_403_page
),
0364
ngx_string
ngx_http_error_404_page
),
0365
ngx_string
ngx_http_error_405_page
),
0366
ngx_string
ngx_http_error_406_page
),
0367
ngx_null_string
/* 407 */
0368
ngx_string
ngx_http_error_408_page
),
0369
ngx_string
ngx_http_error_409_page
),
0370
ngx_string
ngx_http_error_410_page
),
0371
ngx_string
ngx_http_error_411_page
),
0372
ngx_string
ngx_http_error_412_page
),
0373
ngx_string
ngx_http_error_413_page
),
0374
ngx_string
ngx_http_error_414_page
),
0375
ngx_string
ngx_http_error_415_page
),
0376
ngx_string
ngx_http_error_416_page
),
0377
ngx_null_string
/* 417 */
0378
ngx_null_string
/* 418 */
0379
ngx_null_string
/* 419 */
0380
ngx_null_string
/* 420 */
0381
ngx_string
ngx_http_error_421_page
),
0382
ngx_null_string
/* 422 */
0383
ngx_null_string
/* 423 */
0384
ngx_null_string
/* 424 */
0385
ngx_null_string
/* 425 */
0386
ngx_null_string
/* 426 */
0387
ngx_null_string
/* 427 */
0388
ngx_null_string
/* 428 */
0389
ngx_string
ngx_http_error_429_page
),
0390
0391
#define
NGX_HTTP_LAST_4XX
430
0392
#define
NGX_HTTP_OFF_5XX
NGX_HTTP_LAST_4XX
- 400 +
NGX_HTTP_OFF_4XX
0393
0394
ngx_string
ngx_http_error_494_page
),
/* 494, request header too large */
0395
ngx_string
ngx_http_error_495_page
),
/* 495, https certificate error */
0396
ngx_string
ngx_http_error_496_page
),
/* 496, https no certificate */
0397
ngx_string
ngx_http_error_497_page
),
/* 497, http to https */
0398
ngx_string
ngx_http_error_404_page
),
/* 498, canceled */
0399
ngx_null_string
/* 499, client has closed connection */
0400
0401
ngx_string
ngx_http_error_500_page
),
0402
ngx_string
ngx_http_error_501_page
),
0403
ngx_string
ngx_http_error_502_page
),
0404
ngx_string
ngx_http_error_503_page
),
0405
ngx_string
ngx_http_error_504_page
),
0406
ngx_string
ngx_http_error_505_page
),
0407
ngx_null_string
/* 506 */
0408
ngx_string
ngx_http_error_507_page
0409
0410
#define
NGX_HTTP_LAST_5XX
508
0411
0412
};
0413
0414
0415
ngx_int_t
0416
ngx_http_special_response_handler
ngx_http_request_t
ngx_int_t
error
0417
0418
ngx_uint_t
err
0419
ngx_http_err_page_t
err_page
0420
ngx_http_core_loc_conf_t
clcf
0421
0422
ngx_log_debug3
NGX_LOG_DEBUG_HTTP
->
connection
->
log
, 0,
0423
"http special response: %i, \"%V?%V\""
0424
error
, &
->
uri
, &
->
args
);
0425
0426
->
err_status
error
0427
0428
if
->
keepalive
) {
0429
switch
error
) {
0430
case
NGX_HTTP_BAD_REQUEST
0431
case
NGX_HTTP_REQUEST_ENTITY_TOO_LARGE
0432
case
NGX_HTTP_REQUEST_URI_TOO_LARGE
0433
case
NGX_HTTP_TO_HTTPS
0434
case
NGX_HTTPS_CERT_ERROR
0435
case
NGX_HTTPS_NO_CERT
0436
case
NGX_HTTP_INTERNAL_SERVER_ERROR
0437
case
NGX_HTTP_NOT_IMPLEMENTED
0438
->
keepalive
= 0;
0439
0440
0441
0442
if
->
lingering_close
) {
0443
switch
error
) {
0444
case
NGX_HTTP_BAD_REQUEST
0445
case
NGX_HTTP_TO_HTTPS
0446
case
NGX_HTTPS_CERT_ERROR
0447
case
NGX_HTTPS_NO_CERT
0448
->
lingering_close
= 0;
0449
0450
0451
0452
->
headers_out
content_type
len
= 0;
0453
0454
clcf
ngx_http_get_module_loc_conf
ngx_http_core_module
);
0455
0456
if
(!
->
error_page
&&
clcf
->
error_pages
&&
->
uri_changes
!= 0) {
0457
0458
if
clcf
->
recursive_error_pages
== 0) {
0459
->
error_page
= 1;
0460
0461
0462
err_page
clcf
->
error_pages
->
elts
0463
0464
for
= 0;
clcf
->
error_pages
->
nelts
++) {
0465
if
err_page
].
status
==
error
) {
0466
return
ngx_http_send_error_page
, &
err_page
]);
0467
0468
0469
0470
0471
->
expect_tested
= 1;
0472
0473
if
ngx_http_discard_request_body
) !=
NGX_OK
) {
0474
->
keepalive
= 0;
0475
0476
0477
if
clcf
->
msie_refresh
0478
&&
->
headers_in
msie
0479
&& (
error
==
NGX_HTTP_MOVED_PERMANENTLY
0480
||
error
==
NGX_HTTP_MOVED_TEMPORARILY
))
0481
0482
return
ngx_http_send_refresh
);
0483
0484
0485
if
error
==
NGX_HTTP_CREATED
) {
0486
/* 201 */
0487
err
= 0;
0488
0489
else
if
error
==
NGX_HTTP_NO_CONTENT
) {
0490
/* 204 */
0491
err
= 0;
0492
0493
else
if
error
>=
NGX_HTTP_MOVED_PERMANENTLY
0494
&&
error
NGX_HTTP_LAST_3XX
0495
0496
/* 3XX */
0497
err
error
NGX_HTTP_MOVED_PERMANENTLY
NGX_HTTP_OFF_3XX
0498
0499
else
if
error
>=
NGX_HTTP_BAD_REQUEST
0500
&&
error
NGX_HTTP_LAST_4XX
0501
0502
/* 4XX */
0503
err
error
NGX_HTTP_BAD_REQUEST
NGX_HTTP_OFF_4XX
0504
0505
else
if
error
>=
NGX_HTTP_NGINX_CODES
0506
&&
error
NGX_HTTP_LAST_5XX
0507
0508
/* 49X, 5XX */
0509
err
error
NGX_HTTP_NGINX_CODES
NGX_HTTP_OFF_5XX
0510
switch
error
) {
0511
case
NGX_HTTP_TO_HTTPS
0512
case
NGX_HTTPS_CERT_ERROR
0513
case
NGX_HTTPS_NO_CERT
0514
case
NGX_HTTP_REQUEST_HEADER_TOO_LARGE
0515
->
err_status
NGX_HTTP_BAD_REQUEST
0516
0517
0518
else
0519
/* unknown code, zero body */
0520
err
= 0;
0521
0522
0523
return
ngx_http_send_special_response
clcf
err
);
0524
0525
0526
0527
ngx_int_t
0528
ngx_http_filter_finalize_request
ngx_http_request_t
ngx_module_t
0529
ngx_int_t
error
0530
0531
void
ctx
0532
ngx_int_t
rc
0533
0534
ngx_http_clean_header
);
0535
0536
ctx
= NULL;
0537
0538
if
) {
0539
ctx
->
ctx
->
ctx_index
];
0540
0541
0542
/* clear the modules contexts */
0543
ngx_memzero
->
ctx
sizeof
void
*) *
ngx_http_max_module
);
0544
0545
if
) {
0546
->
ctx
->
ctx_index
] =
ctx
0547
0548
0549
->
filter_finalize
= 1;
0550
0551
rc
ngx_http_special_response_handler
error
);
0552
0553
/* NGX_ERROR resets any pending data */
0554
0555
switch
rc
) {
0556
0557
case
NGX_OK
0558
case
NGX_DONE
0559
return
NGX_ERROR
0560
0561
default
0562
return
rc
0563
0564
0565
0566
0567
void
0568
ngx_http_clean_header
ngx_http_request_t
0569
0570
ngx_memzero
(&
->
headers_out
status
0571
sizeof
ngx_http_headers_out_t
0572
- offsetof(
ngx_http_headers_out_t
status
));
0573
0574
->
headers_out
headers
part
nelts
= 0;
0575
->
headers_out
headers
part
next
= NULL;
0576
->
headers_out
headers
last
= &
->
headers_out
headers
part
0577
0578
->
headers_out
content_length_n
= -1;
0579
->
headers_out
last_modified_time
= -1;
0580
0581
0582
0583
static
ngx_int_t
0584
ngx_http_send_error_page
ngx_http_request_t
ngx_http_err_page_t
err_page
0585
0586
ngx_int_t
overwrite
0587
ngx_str_t
uri
args
0588
ngx_table_elt_t
location
0589
ngx_http_core_loc_conf_t
clcf
0590
0591
overwrite
err_page
->
overwrite
0592
0593
if
overwrite
&&
overwrite
!=
NGX_HTTP_OK
) {
0594
->
expect_tested
= 1;
0595
0596
0597
if
overwrite
>= 0) {
0598
->
err_status
overwrite
0599
0600
0601
if
ngx_http_complex_value
, &
err_page
->
value
, &
uri
) !=
NGX_OK
) {
0602
return
NGX_ERROR
0603
0604
0605
if
uri
len
&&
uri
data
[0] ==
'/'
) {
0606
0607
if
err_page
->
value
lengths
) {
0608
ngx_http_split_args
, &
uri
, &
args
);
0609
0610
else
0611
args
err_page
->
args
0612
0613
0614
if
->
method
!=
NGX_HTTP_HEAD
) {
0615
->
method
NGX_HTTP_GET
0616
->
method_name
ngx_http_core_get_method
0617
0618
0619
return
ngx_http_internal_redirect
, &
uri
, &
args
);
0620
0621
0622
if
uri
len
&&
uri
data
[0] ==
'@'
) {
0623
return
ngx_http_named_location
, &
uri
);
0624
0625
0626
location
ngx_list_push
(&
->
headers_out
headers
);
0627
0628
if
location
== NULL) {
0629
return
NGX_ERROR
0630
0631
0632
if
overwrite
!=
NGX_HTTP_MOVED_PERMANENTLY
0633
&&
overwrite
!=
NGX_HTTP_MOVED_TEMPORARILY
0634
&&
overwrite
!=
NGX_HTTP_SEE_OTHER
0635
&&
overwrite
!=
NGX_HTTP_TEMPORARY_REDIRECT
0636
&&
overwrite
!=
NGX_HTTP_PERMANENT_REDIRECT
0637
0638
->
err_status
NGX_HTTP_MOVED_TEMPORARILY
0639
0640
0641
location
->
hash
= 1;
0642
ngx_str_set
(&
location
->
key
"Location"
);
0643
location
->
value
uri
0644
0645
ngx_http_clear_location
);
0646
0647
->
headers_out
location
location
0648
0649
clcf
ngx_http_get_module_loc_conf
ngx_http_core_module
);
0650
0651
if
clcf
->
msie_refresh
&&
->
headers_in
msie
) {
0652
return
ngx_http_send_refresh
);
0653
0654
0655
return
ngx_http_send_special_response
clcf
->
err_status
0656
NGX_HTTP_MOVED_PERMANENTLY
0657
NGX_HTTP_OFF_3XX
);
0658
0659
0660
0661
static
ngx_int_t
0662
ngx_http_send_special_response
ngx_http_request_t
0663
ngx_http_core_loc_conf_t
clcf
ngx_uint_t
err
0664
0665
u_char *
tail
0666
size_t
len
0667
ngx_int_t
rc
0668
ngx_buf_t
0669
ngx_uint_t
msie_padding
0670
ngx_chain_t
out
[3];
0671
0672
if
clcf
->
server_tokens
==
NGX_HTTP_SERVER_TOKENS_ON
) {
0673
len
sizeof
ngx_http_error_full_tail
) - 1;
0674
tail
ngx_http_error_full_tail
0675
0676
else
if
clcf
->
server_tokens
==
NGX_HTTP_SERVER_TOKENS_BUILD
) {
0677
len
sizeof
ngx_http_error_build_tail
) - 1;
0678
tail
ngx_http_error_build_tail
0679
0680
else
0681
len
sizeof
ngx_http_error_tail
) - 1;
0682
tail
ngx_http_error_tail
0683
0684
0685
msie_padding
= 0;
0686
0687
if
ngx_http_error_pages
err
].
len
) {
0688
->
headers_out
content_length_n
ngx_http_error_pages
err
].
len
len
0689
if
clcf
->
msie_padding
0690
&& (
->
headers_in
msie
||
->
headers_in
chrome
0691
&&
->
http_version
>=
NGX_HTTP_VERSION_10
0692
&&
err
>=
NGX_HTTP_OFF_4XX
0693
0694
->
headers_out
content_length_n
+=
0695
sizeof
ngx_http_msie_padding
) - 1;
0696
msie_padding
= 1;
0697
0698
0699
->
headers_out
content_type_len
sizeof
"text/html"
) - 1;
0700
ngx_str_set
(&
->
headers_out
content_type
"text/html"
);
0701
->
headers_out
content_type_lowcase
= NULL;
0702
0703
else
0704
->
headers_out
content_length_n
= 0;
0705
0706
0707
if
->
headers_out
content_length
) {
0708
->
headers_out
content_length
->
hash
= 0;
0709
->
headers_out
content_length
= NULL;
0710
0711
0712
ngx_http_clear_accept_ranges
);
0713
ngx_http_clear_last_modified
);
0714
ngx_http_clear_etag
);
0715
0716
rc
ngx_http_send_header
);
0717
0718
if
rc
==
NGX_ERROR
||
->
header_only
) {
0719
return
rc
0720
0721
0722
if
ngx_http_error_pages
err
].
len
== 0) {
0723
return
ngx_http_send_special
NGX_HTTP_LAST
);
0724
0725
0726
ngx_calloc_buf
->
pool
);
0727
if
== NULL) {
0728
return
NGX_ERROR
0729
0730
0731
->
memory
= 1;
0732
->
pos
ngx_http_error_pages
err
].
data
0733
->
last
ngx_http_error_pages
err
].
data
ngx_http_error_pages
err
].
len
0734
0735
out
[0].
buf
0736
out
[0].
next
= &
out
[1];
0737
0738
ngx_calloc_buf
->
pool
);
0739
if
== NULL) {
0740
return
NGX_ERROR
0741
0742
0743
->
memory
= 1;
0744
0745
->
pos
tail
0746
->
last
tail
len
0747
0748
out
[1].
buf
0749
out
[1].
next
= NULL;
0750
0751
if
msie_padding
) {
0752
ngx_calloc_buf
->
pool
);
0753
if
== NULL) {
0754
return
NGX_ERROR
0755
0756
0757
->
memory
= 1;
0758
->
pos
ngx_http_msie_padding
0759
->
last
ngx_http_msie_padding
sizeof
ngx_http_msie_padding
) - 1;
0760
0761
out
[1].
next
= &
out
[2];
0762
out
[2].
buf
0763
out
[2].
next
= NULL;
0764
0765
0766
if
==
->
main
) {
0767
->
last_buf
= 1;
0768
0769
0770
->
last_in_chain
= 1;
0771
0772
return
ngx_http_output_filter
, &
out
[0]);
0773
0774
0775
0776
static
ngx_int_t
0777
ngx_http_send_refresh
ngx_http_request_t
0778
0779
u_char *
, *
location
0780
size_t
len
size
0781
uintptr_t
escape
0782
ngx_int_t
rc
0783
ngx_buf_t
0784
ngx_chain_t
out
0785
0786
len
->
headers_out
location
->
value
len
0787
location
->
headers_out
location
->
value
data
0788
0789
escape
= 2 *
ngx_escape_uri
(NULL,
location
len
NGX_ESCAPE_REFRESH
);
0790
0791
size
sizeof
ngx_http_msie_refresh_head
) - 1
0792
escape
len
0793
sizeof
ngx_http_msie_refresh_tail
) - 1;
0794
0795
->
err_status
NGX_HTTP_OK
0796
0797
->
headers_out
content_type_len
sizeof
"text/html"
) - 1;
0798
ngx_str_set
(&
->
headers_out
content_type
"text/html"
);
0799
->
headers_out
content_type_lowcase
= NULL;
0800
0801
->
headers_out
location
->
hash
= 0;
0802
->
headers_out
location
= NULL;
0803
0804
->
headers_out
content_length_n
size
0805
0806
if
->
headers_out
content_length
) {
0807
->
headers_out
content_length
->
hash
= 0;
0808
->
headers_out
content_length
= NULL;
0809
0810
0811
ngx_http_clear_accept_ranges
);
0812
ngx_http_clear_last_modified
);
0813
ngx_http_clear_etag
);
0814
0815
rc
ngx_http_send_header
);
0816
0817
if
rc
==
NGX_ERROR
||
->
header_only
) {
0818
return
rc
0819
0820
0821
ngx_create_temp_buf
->
pool
size
);
0822
if
== NULL) {
0823
return
NGX_ERROR
0824
0825
0826
ngx_cpymem
->
pos
ngx_http_msie_refresh_head
0827
sizeof
ngx_http_msie_refresh_head
) - 1);
0828
0829
if
escape
== 0) {
0830
ngx_cpymem
location
len
);
0831
0832
else
0833
= (u_char *)
ngx_escape_uri
location
len
NGX_ESCAPE_REFRESH
);
0834
0835
0836
->
last
ngx_cpymem
ngx_http_msie_refresh_tail
0837
sizeof
ngx_http_msie_refresh_tail
) - 1);
0838
0839
->
last_buf
= (
==
->
main
) ? 1 : 0;
0840
->
last_in_chain
= 1;
0841
0842
out
buf
0843
out
next
= NULL;
0844
0845
return
ngx_http_output_filter
, &
out
);
0846
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