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curl_easy_getinfo: Added CURLINFO_TLS_SESSION for accessing TLS internals

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Added new API for returning a SSL backend type and pointer, in order to
allow access to the TLS internals, that may then be used to obtain X509
certificate information for example.
This commit is contained in:
Christian Grothoff
2013-11-17 20:49:16 +01:00
committed by Steve Holme
parent 925df53580
commit 2c04e8d80c
4 changed files with 85 additions and 3 deletions
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12
docs/libcurl/curl_easy_getinfo.3
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@@ -221,6 +221,18 @@ provided in a series of data in the format "name:content" where the content is
for the specific named data. See also the certinfo.c example. NOTE: this
option is only available in libcurl built with OpenSSL, NSS, GSKit or QsoSSL
support. (Added in 7.19.1)
.IP CURLINFO_TLS_SESSION
Pass a pointer to a 'struct curl_tlsinfo *'. The pointer will be initialized
to refer to a 'struct curl_tlsinfo *' that will contain an enum indicating the
SSL library used for the handshake and the respective internal TLS session
structure of this underlying SSL library.
This may then be used to extract certificate information in a format
convenient for further processing, such as manual validation. NOTE: this
option may not be available for all SSL backends; unsupported SSL backends
will return 'CURLSSLBACKEND_NONE' to indicate that they are not supported;
this does not mean that no SSL backend was used. (Added in 7.34.0)
.IP CURLINFO_CONDITION_UNMET
Pass a pointer to a long to receive the number 1 if the condition provided in
the previous request didn't match (see \fICURLOPT_TIMECONDITION\fP). Alas, if