Mercurial > hg > nginx
annotate src/os/unix/ngx_linux_init.c @ 7851:aa5f8825f24d
Resolver: fixed label types handling in ngx_resolver_copy().
Previously, anything with any of the two high bits set were interpreted
as compression pointers. This is incorrect, as RFC 1035 clearly states
that "The 10 and 01 combinations are reserved for future use". Further,
the 01 combination is actually allocated for EDNS extended label type
(see RFC 2671 and RFC 6891), not really used though.
Fix is to reject unrecognized label types rather than misinterpreting
them as compression pointers.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 25 May 2021 15:17:41 +0300 |
parents | 56fc55e32f23 |
children |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
5 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
6 |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_config.h> |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_core.h> |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
1605
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
12 u_char ngx_linux_kern_ostype[50]; |
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
13 u_char ngx_linux_kern_osrelease[50]; |
673 | 14 |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
15 |
539 | 16 static ngx_os_io_t ngx_linux_io = { |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 ngx_unix_recv, |
312
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
18 ngx_readv_chain, |
1689 | 19 ngx_udp_unix_recv, |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
20 ngx_unix_send, |
6436 | 21 ngx_udp_unix_send, |
6692 | 22 ngx_udp_unix_sendmsg_chain, |
469 | 23 #if (NGX_HAVE_SENDFILE) |
196
11fbd0fc041d
nginx-0.0.1-2003-11-26-18:42:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
24 ngx_linux_sendfile_chain, |
11fbd0fc041d
nginx-0.0.1-2003-11-26-18:42:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
25 NGX_IO_SENDFILE |
312
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
26 #else |
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
27 ngx_writev_chain, |
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
28 0 |
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
29 #endif |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
30 }; |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
31 |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
32 |
493 | 33 ngx_int_t |
539 | 34 ngx_os_specific_init(ngx_log_t *log) |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
35 { |
1605
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
36 struct utsname u; |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
37 |
1605
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
38 if (uname(&u) == -1) { |
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
39 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed"); |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
40 return NGX_ERROR; |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
41 } |
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
42 |
1605
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
43 (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname, |
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
44 sizeof(ngx_linux_kern_ostype)); |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
45 |
1605
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
46 (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release, |
379ee44a4456
use uname(2) instead of /proc/, this allows to run nginx in chroot
Igor Sysoev <igor@sysoev.ru>
parents:
958
diff
changeset
|
47 sizeof(ngx_linux_kern_osrelease)); |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
48 |
539 | 49 ngx_os_io = ngx_linux_io; |
50 | |
51 return NGX_OK; | |
101
2e069b6e6920
nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
52 } |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
53 |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
54 |
493 | 55 void |
539 | 56 ngx_os_specific_status(ngx_log_t *log) |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
57 { |
531 | 58 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
59 ngx_linux_kern_ostype, ngx_linux_kern_osrelease); |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
60 } |