138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
#ifndef GIT_CURL_COMPAT_H
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#define GIT_CURL_COMPAT_H
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#include <curl/curl.h>
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/**
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* This header centralizes the declaration of our libcurl dependencies
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* to make it easy to discover the oldest versions we support, and to
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* inform decisions about removing support for older libcurl in the
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* future.
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*
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* The oldest supported version of curl is documented in the "INSTALL"
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* document.
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*
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* The source of truth for what versions have which symbols is
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* https://github.com/curl/curl/blob/master/docs/libcurl/symbols-in-versions;
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* the release dates are taken from curl.git (at
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* https://github.com/curl/curl/).
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*
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* For each X symbol we need from curl we define our own
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* GIT_CURL_HAVE_X. If multiple similar symbols with the same prefix
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* were defined in the same version we pick one and check for that name.
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*
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* We may also define a missing CURL_* symbol to its known value, if
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* doing so is sufficient to add support for it to older versions that
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* don't have it.
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*
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* Keep any symbols in date order of when their support was
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* introduced, oldest first, in the official version of cURL library.
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*/
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/**
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* CURL_SOCKOPT_OK was added in 7.21.5, released in April 2011.
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*/
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#if LIBCURL_VERSION_NUM < 0x071505
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#define CURL_SOCKOPT_OK 0
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#endif
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/**
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* CURLOPT_TCP_KEEPALIVE was added in 7.25.0, released in March 2012.
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*/
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#if LIBCURL_VERSION_NUM >= 0x071900
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#define GITCURL_HAVE_CURLOPT_TCP_KEEPALIVE 1
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#endif
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/**
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* CURLOPT_LOGIN_OPTIONS was added in 7.34.0, released in December
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* 2013.
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*
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* If we start requiring 7.34.0 we might also be able to remove the
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* code conditional on USE_CURL_FOR_IMAP_SEND in imap-send.c, see
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* 1e16b255b95 (git-imap-send: use libcurl for implementation,
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* 2014-11-09) and the check it added for "072200" in the Makefile.
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*/
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#if LIBCURL_VERSION_NUM >= 0x072200
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#define GIT_CURL_HAVE_CURLOPT_LOGIN_OPTIONS 1
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#endif
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/**
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* CURL_SSLVERSION_TLSv1_[012] was added in 7.34.0, released in
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* December 2013.
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*/
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#if LIBCURL_VERSION_NUM >= 0x072200
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#define GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_0
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#endif
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/**
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* CURLOPT_PINNEDPUBLICKEY was added in 7.39.0, released in November
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* 2014. CURLE_SSL_PINNEDPUBKEYNOTMATCH was added in that same version.
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*/
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#if LIBCURL_VERSION_NUM >= 0x072c00
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#define GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY 1
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#define GIT_CURL_HAVE_CURLE_SSL_PINNEDPUBKEYNOTMATCH 1
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#endif
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/**
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* CURL_HTTP_VERSION_2 was added in 7.43.0, released in June 2015.
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*
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* The CURL_HTTP_VERSION_2 alias (but not CURL_HTTP_VERSION_2_0) has
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* always been a macro, not an enum field (checked on curl version
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* 7.78.0)
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*/
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#if LIBCURL_VERSION_NUM >= 0x072b00
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#define GIT_CURL_HAVE_CURL_HTTP_VERSION_2 1
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#endif
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/**
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* CURLSSLOPT_NO_REVOKE was added in 7.44.0, released in August 2015.
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*
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* The CURLSSLOPT_NO_REVOKE is, has always been a macro, not an enum
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* field (checked on curl version 7.78.0)
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*/
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#if LIBCURL_VERSION_NUM >= 0x072c00
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#define GIT_CURL_HAVE_CURLSSLOPT_NO_REVOKE 1
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#endif
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/**
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* CURLOPT_PROXY_CAINFO was added in 7.52.0, released in August 2017.
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*/
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#if LIBCURL_VERSION_NUM >= 0x073400
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#define GIT_CURL_HAVE_CURLOPT_PROXY_CAINFO 1
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#endif
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/**
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* CURLOPT_PROXY_{KEYPASSWD,SSLCERT,SSLKEY} was added in 7.52.0,
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* released in August 2017.
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*/
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#if LIBCURL_VERSION_NUM >= 0x073400
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#define GIT_CURL_HAVE_CURLOPT_PROXY_KEYPASSWD 1
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#endif
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/**
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* CURL_SSLVERSION_TLSv1_3 was added in 7.53.0, released in February
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* 2017.
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*/
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#if LIBCURL_VERSION_NUM >= 0x073400
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#define GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_3 1
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#endif
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/**
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* CURLSSLSET_{NO_BACKENDS,OK,TOO_LATE,UNKNOWN_BACKEND} were added in
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* 7.56.0, released in September 2017.
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*/
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#if LIBCURL_VERSION_NUM >= 0x073800
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#define GIT_CURL_HAVE_CURLSSLSET_NO_BACKENDS
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#endif
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/**
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* CURLOPT_PROTOCOLS_STR and CURLOPT_REDIR_PROTOCOLS_STR were added in 7.85.0,
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* released in August 2022.
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*/
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#if LIBCURL_VERSION_NUM >= 0x075500
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#define GIT_CURL_HAVE_CURLOPT_PROTOCOLS_STR 1
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#endif
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#endif
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