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[PATCH 00 of 20] multiple headers handling

Maxim Dounin
April 20, 2022 06:38PM
Hello!

The following patch series is expected to resolve issues with multiple
headers with identical names. In particular, the following Trac tickets
are fixed:

https://trac.nginx.org/nginx/ticket/1724
Nginx doesn't sanitize and is inconsistent with multiple, repeated input headers

https://trac.nginx.org/nginx/ticket/1316
$http_ variables only contain the first field-value

https://trac.nginx.org/nginx/ticket/1843
$upstream_http_set_cookie includes only first cookie

https://trac.nginx.org/nginx/ticket/1423
response vary headers not used in the cache key

https://trac.nginx.org/nginx/ticket/485
Multiple WWW-Authenticate headers

The basic idea is that all headers are linked lists now, which makes
it possible to easily concatenate multiple headers without introducing
arrays, as it was previously done with Cookie and X-Forwarded-For request
headers and Cache-Control, Link, and Set-Cookie response headers.

Futher, such approach makes it possible to easily concatenate unknown
headers at runtime, so it makes it possible to properly merge headers
passed to CGI-like backends.

Review and testing appreciated.

--
Maxim Dounin

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Subject Author Views Posted

[PATCH 00 of 20] multiple headers handling

Maxim Dounin 279 April 20, 2022 06:38PM

[PATCH 03 of 20] SCGI: combining headers with identical names (ticket #1724)

Maxim Dounin 39 April 20, 2022 06:40PM

[PATCH 02 of 20] FastCGI: combining headers with identical names (ticket #1724)

Maxim Dounin 20 April 20, 2022 06:42PM

Re: [PATCH 02 of 20] FastCGI: combining headers with identical names (ticket #1724)

Sergey Kandaurov 16 May 11, 2022 11:36AM

Re: [PATCH 02 of 20] FastCGI: combining headers with identical names (ticket #1724)

Maxim Dounin 10 May 12, 2022 06:34PM

Re: [PATCH 02 of 20] FastCGI: combining headers with identical names (ticket #1724)

Sergey Kandaurov 16 May 13, 2022 10:06AM

Re: [PATCH 02 of 20] FastCGI: combining headers with identical names (ticket #1724)

Sergey Kandaurov 10 May 13, 2022 10:06AM

[PATCH 04 of 20] Uwsgi: combining headers with identical names (ticket #1724)

Maxim Dounin 30 April 20, 2022 06:44PM

[PATCH 08 of 20] Perl: all known input headers are handled identically

Maxim Dounin 17 April 20, 2022 06:44PM

[PATCH 10 of 20] Upstream: style

Maxim Dounin 17 April 20, 2022 06:46PM

[PATCH 07 of 20] All non-unique input headers are now linked lists

Maxim Dounin 18 April 20, 2022 06:48PM

Re: [PATCH 07 of 20] All non-unique input headers are now linked lists

Sergey Kandaurov 16 May 11, 2022 03:44PM

Re: [PATCH 07 of 20] All non-unique input headers are now linked lists

Maxim Dounin 15 May 12, 2022 07:56PM

[PATCH 09 of 20] Perl: combining unknown headers during $r->header_in() lookup

Maxim Dounin 38 April 20, 2022 06:50PM

[PATCH 12 of 20] Upstream: simplified Accept-Ranges handling

Maxim Dounin 35 April 20, 2022 06:52PM

[PATCH 11 of 20] Upstream: simplified Content-Encoding handling

Maxim Dounin 21 April 20, 2022 06:54PM

Re: [PATCH 11 of 20] Upstream: simplified Content-Encoding handling

Sergey Kandaurov 14 May 11, 2022 04:02PM

Re: [PATCH 11 of 20] Upstream: simplified Content-Encoding handling

Maxim Dounin 16 May 12, 2022 08:20PM

[PATCH 05 of 20] Combining unknown headers during variables lookup (ticket #1316)

Maxim Dounin 18 April 20, 2022 06:56PM

Re: [PATCH 05 of 20] Combining unknown headers during variables lookup (ticket #1316)

Sergey Kandaurov 39 May 11, 2022 12:12PM

Re: [PATCH 05 of 20] Combining unknown headers during variables lookup (ticket #1316)

Maxim Dounin 18 May 12, 2022 07:18PM

[PATCH 06 of 20] Reworked multi headers to use linked lists

Maxim Dounin 22 April 20, 2022 06:58PM

Re: [PATCH 06 of 20] Reworked multi headers to use linked lists

Sergey Kandaurov 20 May 11, 2022 03:24PM

Re: [PATCH 06 of 20] Reworked multi headers to use linked lists

Maxim Dounin 16 May 12, 2022 07:44PM

[PATCH 14 of 20] Upstream: all known headers in u->headers_in are linked lists now

Maxim Dounin 41 April 20, 2022 07:00PM

[PATCH 13 of 20] All known output headers can be linked lists now

Maxim Dounin 29 April 20, 2022 07:02PM

[PATCH 15 of 20] Upstream: header handlers can now return parsing errors

Maxim Dounin 19 April 20, 2022 07:04PM

Re: [PATCH 15 of 20] Upstream: header handlers can now return parsing errors

Sergey Kandaurov 14 May 11, 2022 04:30PM

Re: [PATCH 15 of 20] Upstream: header handlers can now return parsing errors

Maxim Dounin 13 May 12, 2022 08:26PM

[PATCH 17 of 20] Upstream: handling of multiple Vary headers (ticket #1423)

Maxim Dounin 33 April 20, 2022 07:06PM

Re: [PATCH 17 of 20] Upstream: handling of multiple Vary headers (ticket #1423)

Sergey Kandaurov 20 May 11, 2022 04:48PM

Re: [PATCH 17 of 20] Upstream: handling of multiple Vary headers (ticket #1423)

Maxim Dounin 16 May 12, 2022 08:52PM

[PATCH 18 of 20] Upstream: multiple WWW-Authenticate headers (ticket #485)

Maxim Dounin 27 April 20, 2022 07:08PM

Re: [PATCH 18 of 20] Upstream: multiple WWW-Authenticate headers (ticket #485)

Sergey Kandaurov 15 May 11, 2022 05:06PM

Re: [PATCH 18 of 20] Upstream: multiple WWW-Authenticate headers (ticket #485)

Maxim Dounin 13 May 12, 2022 10:00PM

[PATCH 16 of 20] Upstream: duplicate headers ignored or properly linked

Maxim Dounin 34 April 20, 2022 07:10PM

Re: [PATCH 16 of 20] Upstream: duplicate headers ignored or properly linked

Sergey Kandaurov 16 May 11, 2022 04:36PM

Re: [PATCH 16 of 20] Upstream: duplicate headers ignored or properly linked

Maxim Dounin 13 May 12, 2022 08:36PM

[PATCH 20 of 20] Headers filter: improved memory allocation error handling

Maxim Dounin 17 April 20, 2022 07:12PM

[PATCH 19 of 20] Auth request: multiple WWW-Authenticate headers (ticket #485)

Maxim Dounin 57 April 20, 2022 07:14PM

[PATCH 00 of 10] multiple headers tests

Maxim Dounin 68 April 20, 2022 07:16PM

[PATCH 01 of 10] Tests: tests for passing Date and Server headers

Maxim Dounin 38 April 20, 2022 07:18PM

[PATCH 02 of 10] Tests: fastcgi tests for combining headers

Maxim Dounin 40 April 20, 2022 07:20PM

[PATCH 03 of 10] Tests: scgi tests for combining headers

Maxim Dounin 41 April 20, 2022 07:20PM

[PATCH 04 of 10] Tests: uwsgi tests for combining headers

Maxim Dounin 20 April 20, 2022 07:22PM

[PATCH 07 of 10] Tests: perl $r->header_in() combining headers test

Maxim Dounin 22 April 20, 2022 07:24PM

[PATCH 09 of 10] Tests: tests for multiple Vary headers (ticket #1423)

Maxim Dounin 24 April 20, 2022 07:26PM

[PATCH 06 of 10] Tests: perl $r->header_in("Connection") test

Maxim Dounin 34 April 20, 2022 07:28PM

[PATCH 05 of 10] Tests: tests for various http header variables

Maxim Dounin 25 April 20, 2022 07:30PM

[PATCH 08 of 10] Tests: tests for duplicate response headers

Maxim Dounin 35 April 20, 2022 07:32PM

[PATCH 10 of 10] Tests: tests for multiple WWW-Authenticate headers (ticket #485)

Maxim Dounin 42 April 20, 2022 07:34PM



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