getinfo: add CURLINFO_POSTTRANSFER_TIME_T

Returns the time, in microseconds, from the start until the last byte is
sent by libcurl (i.e. the request is sent off).

Closes #14189

tcpkeepalive: add CURLOPT_TCP_KEEPCNT and --keepalive-cnt

Closes #13885

TLS: add support for ECH (Encrypted Client Hello)

An EXPERIMENTAL feature used with CURLOPT_ECH and --ech.

Closes #11922

CURLINFO_USED_PROXY: return bool whether the proxy was used

Adds test536 to verify

Closes #12719

getinfo: CURLINFO_QUEUE_TIME_T

Returns the time, in microseconds, during which this transfer was held
in a waiting queue before it started "for real". A transfer might be put
in a qu

getinfo: CURLINFO_QUEUE_TIME_T

Returns the time, in microseconds, during which this transfer was held
in a waiting queue before it started "for real". A transfer might be put
in a queue if after getting started, it cannot create a new connection
etc due to set conditions and limits imposed by the application.

Ref: #12293
Closes #12368

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CURLOPT_SERVER_RESPONSE_TIMEOUT_MS: add

Proposed-by: Yifei Kong
Ref: https://curl.se/mail/lib-2023-11/0023.html
Closes #12369

docs/libcurl/opts/Makefile.inc: add missing manpage files

Detected with #9532

tidy-up: mostly whitespace nits

- delete completed TODO from `./CMakeLists.txt`.
- convert a C++ comment to C89 in `./CMake/CurlTests.c`.
- delete duplicate EOLs from EOF.
- add

tidy-up: mostly whitespace nits

- delete completed TODO from `./CMakeLists.txt`.
- convert a C++ comment to C89 in `./CMake/CurlTests.c`.
- delete duplicate EOLs from EOF.
- add missing EOL at EOF.
- delete whitespace at EOL (except from expected test results).
- convert tabs to spaces.
- convert CRLF EOLs to LF in GHA yaml.
- text casing fixes in `./CMakeLists.txt`.
- fix a codespell typo in `packages/OS400/initscript.sh`.

Closes #11772

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haproxy: add --haproxy-clientip flag to spoof client IPs

CURLOPT_HAPROXY_CLIENT_IP in the library

Closes #10779

CURLOPT_MAIL_RCPT_ALLOWFAILS: replace CURLOPT_MAIL_RCPT_ALLLOWFAILS

Deprecate the name using three Ls and prefer the name with two.

Replaces #10047
Closes #11218

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- save

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205

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curl.h: add CURLOPT_CA_CACHE_TIMEOUT option

Adds a new option to control the maximum time that a cached
certificate store may be retained for.

Currently only the OpenSSL backend

curl.h: add CURLOPT_CA_CACHE_TIMEOUT option

Adds a new option to control the maximum time that a cached
certificate store may be retained for.

Currently only the OpenSSL backend implements support for
caching certificate stores.

Closes #9620

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ws: initial websockets support

Closes #8995

CURLOPT_SERVER_RESPONSE_TIMEOUT: the new name

Starting now, CURLOPT_FTP_RESPONSE_TIMEOUT is the alias instead of the
other way around.

Since 7.20.0, CURLOPT_SERVER_RESPONSE_TIME

CURLOPT_SERVER_RESPONSE_TIMEOUT: the new name

Starting now, CURLOPT_FTP_RESPONSE_TIMEOUT is the alias instead of the
other way around.

Since 7.20.0, CURLOPT_SERVER_RESPONSE_TIMEOUT has existed as an alias
but since the option is for more protocols than FTP the more "correct"
version of the option is the "server" one so now we switch.

Closes #9104

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setopt: add CURLOPT_PROTOCOLS_STR and CURLOPT_REDIR_PROTOCOLS_STR

... as replacements for deprecated CURLOPT_PROTOCOLS and
CURLOPT_REDIR_PROTOCOLS as these new ones do not risk running i

setopt: add CURLOPT_PROTOCOLS_STR and CURLOPT_REDIR_PROTOCOLS_STR

... as replacements for deprecated CURLOPT_PROTOCOLS and
CURLOPT_REDIR_PROTOCOLS as these new ones do not risk running into the
32 bit limit the old ones are facing.

CURLINFO_PROTCOOL is now deprecated.

The curl tool is updated to use the new options.

Added test 1597 to verify the libcurl protocol parser.

Closes #8992

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copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the

copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the file
`.reuse/dep5`.

This commit also adds a Github workflow to check pull requests and adapts
copyright.pl to the changes.

Closes #8869

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CURLINFO_CAPATH/CAINFO: get the default CA paths from libcurl

Closes #8888

mime: use percent-escaping for multipart form field and file names

Until now, form field and file names where escaped using the
backslash-escaping algorithm defined for multipart mails.

mime: use percent-escaping for multipart form field and file names

Until now, form field and file names where escaped using the
backslash-escaping algorithm defined for multipart mails. This commit
replaces this with the percent-escaping method for URLs.

As this may introduce incompatibilities with server-side applications, a
new libcurl option CURLOPT_MIME_OPTIONS with bitmask
CURLMIMEOPT_FORMESCAPE is introduced to revert to legacy use of
backslash-escaping. This is controlled by new cli tool option
--form-escape.

New tests and documentation are provided for this feature.

Reported by: Ryan Sleevi
Fixes #7789
Closes #7805

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curl_share_setopt.3: split out options into their own manpages

CURLSHOPT_LOCKFUNC.3
CURLSHOPT_SHARE.3
CURLSHOPT_UNLOCKFUNC.3
CURLSHOPT_UNSHARE.3
CURLSHOPT_USERDATA.3

curl_share_setopt.3: split out options into their own manpages

CURLSHOPT_LOCKFUNC.3
CURLSHOPT_SHARE.3
CURLSHOPT_UNLOCKFUNC.3
CURLSHOPT_UNSHARE.3
CURLSHOPT_USERDATA.3

Closes #7998

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CURLOPT_MAXLIFETIME_CONN: maximum allowed lifetime for conn reuse

... and close connections that are too old instead of reusing them.

By default, this behavior is disabled.

CURLOPT_MAXLIFETIME_CONN: maximum allowed lifetime for conn reuse

... and close connections that are too old instead of reusing them.

By default, this behavior is disabled.

Bug: https://curl.se/mail/lib-2021-09/0058.html
Closes #7751

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CURLOPT_PREREQFUNCTION: add new callback

Triggered before a request is made but after a connection is set up

Changes:

- callback: Update docs and callback for pre-request c

CURLOPT_PREREQFUNCTION: add new callback

Triggered before a request is made but after a connection is set up

Changes:

- callback: Update docs and callback for pre-request callback
- Add documentation for CURLOPT_PREREQDATA and CURLOPT_PREREQFUNCTION,
- Add redirect test and callback failure test
- Note that the function may be called multiple times on a redirection
- Disable new 2086 test due to Windows weirdness

Closes #7477

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libssh2: add SHA256 fingerprint support

Added support for SHA256 fingerprint in command line curl and in
libcurl.

Closes #7646

SSL: support in-memory CA certs for some backends

- New options CURLOPT_CAINFO_BLOB and CURLOPT_PROXY_CAINFO_BLOB to
specify in-memory PEM certificates for OpenSSL, Schannel (Windows)

SSL: support in-memory CA certs for some backends

- New options CURLOPT_CAINFO_BLOB and CURLOPT_PROXY_CAINFO_BLOB to
specify in-memory PEM certificates for OpenSSL, Schannel (Windows)
and Secure Transport (Apple) SSL backends.

Prior to this change PEM certificates could only be imported from a file
and not from memory.

Co-authored-by: moparisthebest@users.noreply.github.com

Ref: https://github.com/curl/curl/pull/4679
Ref: https://github.com/curl/curl/pull/5677
Ref: https://github.com/curl/curl/pull/6109

Closes https://github.com/curl/curl/pull/6662

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http: add support to read and store the referrer header

- add CURLINFO_REFERER libcurl option
- add --write-out '%{referer}' command-line option
- extend --xattr command-line option

http: add support to read and store the referrer header

- add CURLINFO_REFERER libcurl option
- add --write-out '%{referer}' command-line option
- extend --xattr command-line option to fill user.xdg.referrer.url extended
attribute with the referrer (if there was any)

Closes #6591

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doh: add options to disable ssl verification

- New libcurl options CURLOPT_DOH_SSL_VERIFYHOST,
CURLOPT_DOH_SSL_VERIFYPEER and CURLOPT_DOH_SSL_VERIFYSTATUS do the
same as their re

doh: add options to disable ssl verification

- New libcurl options CURLOPT_DOH_SSL_VERIFYHOST,
CURLOPT_DOH_SSL_VERIFYPEER and CURLOPT_DOH_SSL_VERIFYSTATUS do the
same as their respective counterparts.

- New curl tool options --doh-insecure and --doh-cert-status do the same
as their respective counterparts.

Prior to this change DOH SSL certificate verification settings for
verifyhost and verifypeer were supposed to be inherited respectively
from CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER, but due to a bug
were not. As a result DOH verification remained at the default, ie
enabled, and it was not possible to disable. This commit changes
behavior so that the DOH verification settings are independent and not
inherited.

Ref: https://github.com/curl/curl/pull/4579#issuecomment-554723676

Fixes https://github.com/curl/curl/issues/4578
Closes https://github.com/curl/curl/pull/6597

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