[ 
https://issues.apache.org/jira/browse/MESOS-7822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gavin updated MESOS-7822:
-------------------------
    Comment: was deleted

(was: www.rtat.net)

> Adopt X509_check_host.
> ----------------------
>
>                 Key: MESOS-7822
>                 URL: https://issues.apache.org/jira/browse/MESOS-7822
>             Project: Mesos
>          Issue Type: Bug
>          Components: libprocess, security
>            Reporter: James Peach
>            Priority: Major
>
> {{libprocess}} is carrying custom hostname verification code, which uses 
> deprecated OpenSSL API:
> {noformat}
> ../../../3rdparty/libprocess/src/openssl.cpp: In function ‘Try<Nothing> 
> process::network::openssl::verify(const SSL*, const 
> Option<std::__cxx11::basic_string<char> >&, const Option<net::IP>&)’:
> ../../../3rdparty/libprocess/src/openssl.cpp:677:42: warning: ‘unsigned char* 
> ASN1_STRING_data(ASN1_STRING*)’ is deprecated [-Wdeprecated-declarations]
>                    current_name->d.dNSName));
>                                           ^
> In file included from /usr/include/openssl/opensslconf.h:42:0,
>                  from /usr/include/openssl/bn.h:31,
>                  from /usr/include/openssl/asn1.h:24,
>                  from /usr/include/openssl/objects.h:916,
>                  from /usr/include/openssl/evp.h:27,
>                  from /usr/include/openssl/x509.h:23,
>                  from /usr/include/openssl/ssl.h:50,
>                  from ../../../3rdparty/libprocess/src/openssl.hpp:16,
>                  from ../../../3rdparty/libprocess/src/openssl.cpp:13:
> /usr/include/openssl/asn1.h:553:1: note: declared here
>  DEPRECATEDIN_1_1_0(unsigned char *ASN1_STRING_data(ASN1_STRING *x))
>  ^
> {noformat}
> We should replace this (optionally with a OpenSSL version check) with a call 
> to 
> [X509_check_host|https://www.openssl.org/docs/man1.1.0/crypto/X509_check_host.html]
>  which is available since OpenSSL 1.0.2.



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