Mercurial > hg > nginx
annotate auto/endianness @ 7860:a45b6a206cfc stable-1.20
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 | e3faa5fb7772 |
children |
rev | line source |
---|---|
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
1 |
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
4 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
5 |
4681
bb37a9cc08fb
Fixed spelling of "endianness", and called it "byte ordering" in the
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
6 echo $ngx_n "checking for system byte ordering ...$ngx_c" |
6269
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
7 |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
8 cat << END >> $NGX_AUTOCONF_ERR |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
9 |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
10 ---------------------------------------- |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
11 checking for system byte ordering |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
12 |
7ec809b579d7
Configure: style fixes for autoconf.err.
Piotr Sikora <piotrsikora@google.com>
parents:
5309
diff
changeset
|
13 END |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
14 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
15 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
16 cat << END > $NGX_AUTOTEST.c |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 |
6624
e3faa5fb7772
Configure: fix build with -Werror=old-style-definition.
Piotr Sikora <piotrsikora@google.com>
parents:
6269
diff
changeset
|
18 int main(void) { |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
19 int i = 0x11223344; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
20 char *p; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
22 p = (char *) &i; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
23 if (*p == 0x44) return 0; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
24 return 1; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
25 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
26 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
27 END |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
28 |
583 | 29 ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS \ |
577 | 30 -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_LD_OPT $ngx_feature_libs" |
31 | |
32 eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1" | |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
33 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
34 if [ -x $NGX_AUTOTEST ]; then |
703 | 35 if $NGX_AUTOTEST >/dev/null 2>&1; then |
4681
bb37a9cc08fb
Fixed spelling of "endianness", and called it "byte ordering" in the
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
36 echo " little endian" |
469 | 37 have=NGX_HAVE_LITTLE_ENDIAN . auto/have |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
38 else |
4681
bb37a9cc08fb
Fixed spelling of "endianness", and called it "byte ordering" in the
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
39 echo " big endian" |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
40 fi |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
41 |
5309
434548349838
Configure: fixed autotest cleanup commands.
Sergey Kandaurov <pluknet@nginx.com>
parents:
4681
diff
changeset
|
42 rm -rf $NGX_AUTOTEST* |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
43 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
44 else |
5309
434548349838
Configure: fixed autotest cleanup commands.
Sergey Kandaurov <pluknet@nginx.com>
parents:
4681
diff
changeset
|
45 rm -rf $NGX_AUTOTEST* |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
46 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
47 echo |
4681
bb37a9cc08fb
Fixed spelling of "endianness", and called it "byte ordering" in the
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
48 echo "$0: error: cannot detect system byte ordering" |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
49 exit 1 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
50 fi |