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Documentation is missing for CURLINFO_SSL_VERIFYRESULT #2400

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komar007 opened this issue Mar 19, 2018 · 2 comments
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Documentation is missing for CURLINFO_SSL_VERIFYRESULT #2400

komar007 opened this issue Mar 19, 2018 · 2 comments
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documentation TLS

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@komar007
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@komar007 komar007 commented Mar 19, 2018

The documentation for CURLINFO_SSL_VERIFYRESULT (docs/libcurl/opts/CURLINFO_SSL_VERIFYRESULT.3) does not explain the meaning of the value stored in the third argument of curl_easy_getinfo.
The source code suggests that 0 means success, non-zero - verification error.
It also seems that the example given contradicts the actual behavior of the library, printing "fine" on verification error, and "BAAAD" when the verification is ok.
@bagder
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@bagder bagder commented Mar 20, 2018

Yeah, the example seems reversed... and from all I can tell, CURLINFO_SSL_VERIFYRESULT is only set by the NSS and OpenSSL/libressl/boringssl backends...

@bagder
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@bagder bagder commented Mar 21, 2018

The value is specific for the TLS backend curl is built to use so I don't think we will document the values any further than so. To get a feel for what the values mean in OpenSSL, check out their x509_vfy.h file.

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