file: don't provide content-length for directories

... as it is misleading.

Ref #6379
Closes #6421

TODO: Directory listing for FILE:

Ref #6379

curl.h: add CURLPROTO_GOPHERS as own protocol identifier

Follow-up to a1f06f32b860, to make sure it can be handled separately
from plain gopher.

Closes #6418

http: have CURLOPT_FAILONERROR fail after all headers

... so that Retry-After and other meta-content can still be used.

Added 1634 to verify. Adjusted test 194 and 281 since --fail

http: have CURLOPT_FAILONERROR fail after all headers

... so that Retry-After and other meta-content can still be used.

Added 1634 to verify. Adjusted test 194 and 281 since --fail now also
includes the header-terminating CRLF in the output before it exits.

Fixes #6408
Closes #6409

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global_init: debug builds allocates a byte in init

... to make build tools/valgrind warn if no curl_global_cleanup is
called.

This is conditionally only done for debug builds wi

global_init: debug builds allocates a byte in init

... to make build tools/valgrind warn if no curl_global_cleanup is
called.

This is conditionally only done for debug builds with the env variable
CURL_GLOBAL_INIT set.

Closes #6410

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lib/unit tests: add missing curl_global_cleanup() calls

travis: adapt to Hyper build change

Closes #6419

pretransfer: setup the User-Agent header here

... and not in the connection setup, as for multiplexed transfers the
connection setup might be skipped and then the transfer would end up

pretransfer: setup the User-Agent header here

... and not in the connection setup, as for multiplexed transfers the
connection setup might be skipped and then the transfer would end up
without the set user-agent!

Reported-by: Flameborn on github
Assisted-by: Andrey Gursky
Assisted-by: Jay Satiro
Assisted-by: Mike Gelfand
Fixes #6312
Closes #6417

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test66: disable with Hyper

...as Hyper doesn't support HTTP/0.9

c-hyper: poll the tasks until end correctly

... makes test 36 work.

Closes #6412

mk-ca-bundle.pl: deterministic output when using -t

Printing trust purposes are now sorted, making the output deterministic
when running on the same input certdata.txt.

Closes #

mk-ca-bundle.pl: deterministic output when using -t

Printing trust purposes are now sorted, making the output deterministic
when running on the same input certdata.txt.

Closes #6413

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KNOWN_BUGS: fixed "wolfSSL lacks support for renegotiation"

Fixed by #6411

wolfssl: add SECURE_RENEGOTIATION support

Closes #6411

RELEASE-NOTES: synced

wolfssl: update copyright year range

Follow-up to 7de2e96535e9

c-hyper: make CURLE_GOT_NOTHING work

Test 30

Closes #6407

http_proxy: make CONNECT work with the Hyper backend

Makes test 80 run

Closes #6406

TODO: --fail-with-body perchance?

tool_operate: fix the suppression logic of some error messages

- Fix the failed truncation and failed writing body error messages to
not be shown unless error messages are shown. (ie t

tool_operate: fix the suppression logic of some error messages

- Fix the failed truncation and failed writing body error messages to
not be shown unless error messages are shown. (ie the user has
specified -sS, or has not specified -s).

- Also prefix same error messages with "curl: ", for example:
curl: (23) Failed to truncate, exiting

Prior to this change the failed truncation error messages would be shown
if not -s, but did not account for -sS which should show.

Prior to this change the failed writing body error messages would be
shown always.

Ref: https://curl.se/docs/manpage.html#-S

Bug: https://curl.se/mail/archive-2020-12/0017.html
Reported-by: Hongyi Zhao

Closes https://github.com/curl/curl/pull/6402

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wolfssl: Support wolfSSL builds missing TLS 1.1

The wolfSSL TLS library defines NO_OLD_TLS in some of their build
configurations and that causes the library to be built without TLS 1.1.

wolfssl: Support wolfSSL builds missing TLS 1.1

The wolfSSL TLS library defines NO_OLD_TLS in some of their build
configurations and that causes the library to be built without TLS 1.1.
For example if MD5 is explicitly disabled when building wolfSSL then
that defines NO_OLD_TLS and the library is built without TLS 1.1 [1].

Prior to this change attempting to build curl with a wolfSSL that was
built with NO_OLD_TLS would cause a build link error undefined reference
to wolfTLSv1_client_method.

[1]: https://github.com/wolfSSL/wolfssl/blob/v4.5.0-stable/configure.ac#L2366

Bug: https://curl.se/mail/lib-2020-12/0121.html
Reported-by: Julian Montes

Closes https://github.com/curl/curl/pull/6388

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test1633: set appropriate name

"--retry with a 429 response and Retry-After:"

travis: limit the tests with quiche builds to HTTPS and FTPS only

... since it runs into the 50 minute time limit too often otherwise.

Closes #6403

HISTORY: added dates to early history

Mostly thanks to this archived web page for urlget:

https://web.archive.org/web/19980216125115/http://www.inf.ufrgs.br/~sagula/urlget.html

httpauth: make multi-request auth work with custom port

When doing HTTP authentication and a port number set with CURLOPT_PORT,
the code would previously have the URL's port number overr

httpauth: make multi-request auth work with custom port

When doing HTTP authentication and a port number set with CURLOPT_PORT,
the code would previously have the URL's port number override as if it
had been a redirect to an absolute URL.

Added test 1568 to verify.

Reported-by: UrsusArctos on github
Fixes #6397
Closes #6400

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language: s/behaviour/behavior/g

We currently use both spellings the british "behaviour" and the american
"behavior". However "behavior" is more used in the project so I think
it's w

language: s/behaviour/behavior/g

We currently use both spellings the british "behaviour" and the american
"behavior". However "behavior" is more used in the project so I think
it's worth dropping the british name.

Closes #6395

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