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From "Michael Osipov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SERF-179) Add CAFILE, CAPATH, CAFALLBACK as compile time option
Date Fri, 24 Jun 2016 12:00:20 GMT

    [ https://issues.apache.org/jira/browse/SERF-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348182#comment-15348182
] 

Michael Osipov commented on SERF-179:
-------------------------------------

Bert, this would be effective if this option is not overridden by the user by some means.
At least on FreeBSD serf is compiled without that but {{ca_root_nss}} is available. This is
bad user experience. One should have to configure as little as possible. I have noticed this
when we lately refreshed our server certificate.
E.g., curl works out of the box on our FreeBSD and RHEL machines because at compile-time the
default CA bundle is passed.

This option is solely interesting for OS/distro maintainers and admins. Not really users,
they still can stick to the higher level conf and override it.

> Add CAFILE, CAPATH, CAFALLBACK as compile time option
> -----------------------------------------------------
>
>                 Key: SERF-179
>                 URL: https://issues.apache.org/jira/browse/SERF-179
>             Project: serf
>          Issue Type: Improvement
>    Affects Versions: serf-1.3.8
>            Reporter: Michael Osipov
>
> Currently, libserf does not provide an option to supply a PEM bundle with CAs. Subversion
always nags whether the target host can be trusted. This is annoying and can be automated.
> Add three options supported by OpenSSL natively:
> * {{scons CAFILE=/path/to/ca.pem}}
> * {{scons CAPATH=/path/to/directory-with-pems}}
> * {{scons CAFALLBACK=yes}}
> Three defines can be added then: {{SERF_CA_BUNDLE}},  {{SERF_CA_PATH}} and {{SERF_CA_FALLBACK}}.
This can be safely fed into {{SSL_CTX_load_verify_locations(3)}} and {{SSL_CTX_set_default_verify_paths(3)}}.
[OpenSSL reference|https://www.openssl.org/docs/manmaster/ssl/SSL_CTX_load_verify_locations.html].
> This idea has freely been taken from {{libcurl}} which does this exactly.
> * [bundle and path m4 macos|https://github.com/curl/curl/blob/d9f3b365a3b663d6e45ff734a86b313e2fbcbbf2/acinclude.m4#L2560-L2719]
> * [Source code spots|https://github.com/curl/curl/blob/master/lib/vtls/openssl.c#L1967-L2009]



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