rustls: switch read_tls and write_tls to callbacks

And update to 0.6.0, including a rename from session to connection for
many fields.

Closes #7071

sectransp: fix 7f4a9a9b2a49 commit about missing comma

Follow-up to 7f4a9a9b2a495

Closes #7119

openssl: associate/detach the transfer from connection

CVE-2021-22901

Bug: https://curl.se/docs/CVE-2021-22901.html

telnet: check sscanf() for correct number of matches

CVE-2021-22898

Bug: https://curl.se/docs/CVE-2021-22898.html

schannel: don't use static to store selected ciphers

CVE-2021-22897

Bug: https://curl.se/docs/CVE-2021-22897.html

docs/tests: remove freenode references

RELEASE-NOTES: synced

NSS: make colons, commas and spaces valid separators in cipher list

Fixes #7110
Closes #7115

curl: include libmetalink version in --version output

Closes #7112

cmake: Use multithreaded compilation on VS 2008+

Multithreaded compilation has been supported since at least VS 2005 and
been robustly stable since at least VS 2008

Closes https

cmake: Use multithreaded compilation on VS 2008+

Multithreaded compilation has been supported since at least VS 2005 and
been robustly stable since at least VS 2008

Closes https://github.com/curl/curl/pull/7109

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cmake: fix two invokes result in different curl_config.h

Fixes #7100
Closes #7101

Reviewed-by: Jakub Zakrzewski
Signed-off-by: Matias N. Goldberg <dark_sylinc@yahoo.com.ar>

cmake: detect CURL_SA_FAMILY_T

Fixes #7049
Closes #7065

CURLOPT_IPRESOLVE: preventing wrong IP version from being used

In some situations, it was possible that a transfer was setup to
use an specific IP version, but due do DNS caching or conn

CURLOPT_IPRESOLVE: preventing wrong IP version from being used

In some situations, it was possible that a transfer was setup to
use an specific IP version, but due do DNS caching or connection
reuse, it ended up using a different IP version from requested.

This commit changes the effect of CURLOPT_IPRESOLVE from simply
restricting address resolution to preventing the wrong connection
type being used, when choosing a connection from the pool, and
to restricting what addresses could be used when establishing
a new connection.

It is important that all addresses versions are resolved, even if
not used in that transfer in particular, because the result is
cached, and could be useful for a different transfer with a
different CURLOPT_IPRESOLVE setting.

Closes #6853

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AmigaOS: add functions definitions for SHA256

AmiSSL replaces many functions with macros. Curl requires pointer
to some of these functions. Thus, we have to encapsulate these macros:

AmigaOS: add functions definitions for SHA256

AmiSSL replaces many functions with macros. Curl requires pointer
to some of these functions. Thus, we have to encapsulate these macros:
SHA256_Init, SHA256_Update, SHA256_Final, X509_INFO_free.

Bug: https://github.com/jens-maus/amissl/issues/15
Co-authored-by: Daniel Stenberg <daniel@haxx.se>

Closes #7099

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test2100: make it run with and require IPv6

Closes #7083

tests/getpart: generate output URL encoded for better diffs

Closes #7083

docs/TheArtOfHttpScripting: fix markdown links

extra parens cause the links to be incorrectly formatted
and inconsistent with the rest of the document.

Signed-off-by: Ryan Beck-

docs/TheArtOfHttpScripting: fix markdown links

extra parens cause the links to be incorrectly formatted
and inconsistent with the rest of the document.

Signed-off-by: Ryan Beck-Buysse <rbuysse@gmail.com>
Closes #7097

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RELEASE-NOTES: synced

docs: replace dots with dashes in markdown enums

We use dashes instead of dots nearly everywhere except for those few
cases. This commit addresses this issues and brings more coherency i

docs: replace dots with dashes in markdown enums

We use dashes instead of dots nearly everywhere except for those few
cases. This commit addresses this issues and brings more coherency into
it.

Closes #7093

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docs: improve INTERNALS.md regarding getsock cb

This adds the I/O prefix to indicate that those "actions" are kind-of
related to those found in select(2) or poll(2) (reading/writing).

docs: improve INTERNALS.md regarding getsock cb

This adds the I/O prefix to indicate that those "actions" are kind-of
related to those found in select(2) or poll(2) (reading/writing).

It also adds a note where the prototypes of those functions can be found
in the source code.

Closes #7092

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docs: document attach in INTERNALS.md

The new field in the Curl_handler struct still lacks documentation. This
adds it it from the information extracted from lib/urldata.h:797

C

docs: document attach in INTERNALS.md

The new field in the Curl_handler struct still lacks documentation. This
adds it it from the information extracted from lib/urldata.h:797

Closes #7091

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config: remove now-unused macros

Closes #7094

hostip.h: remove declaration of unimplemented function

Closes #7094

h3: add 'attach' callback to protocol handlers

Follow-up to 0c55fbab45be

Reviewed-by: Emil Engler
Closes #7090

wolfssl: remove SSLv3 support leftovers

Closes #7088