Hi, Thank you for answer. So, your recomendation is to use X509_check_host rather than code from wiki? 25.01.2015, 20:59, "Viktor Dukhovni" <openssl-users at dukhovni.org>: > On Sun, Jan 25, 2015 at 07:43:14PM +0300, Serj wrote: > Starting with 1.0.2, you can also ask OpenSSL to automatically > perform hostname checks during the SSL handshake on the application's > behalf: > > ????https://www.openssl.org/docs/crypto/X509_VERIFY_PARAM_set_hostflags.html > ????https://www.openssl.org/docs/crypto/X509_VERIFY_PARAM_set1_host.html > ????https://www.openssl.org/docs/crypto/X509_VERIFY_PARAM_add1_host.html > ????https://www.openssl.org/docs/ssl/SSL_set_verify.html > > Sadly, we're still lacking documentation of SSL_get0_param() which > is needed for a complete SSL hostname check recipe: > > ????????const char *servername; > ????????SSL *ssl; > ????????X509_VERIFY_PARAM *param; > > ????????servername = "www.example.com"; > ????????ssl = SSL_new(...); > ????????param = SSL_get0_param(ssl); > > ????????/* Enable automatic hostname checks */ > ????????X509_VERIFY_PARAM_set_hostflags(param, X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS); > ????????X509_VERIFY_PARAM_set1_host(param, servername, 0); > > ????????/* Configure a non-zero callback if desired */ > ????????SSL_set_verify(ssl, SSL_VERIFY_PEER, 0); > > ????????/* > ?????????* Establish SSL connection, hostname should be checked > ?????????* automatically test with a hostname that should not match, > ?????????* the connection will fail (unless you specify a callback > ?????????* that returns despite the verification failure. ?In that > ?????????* case SSL_get_verify_status() can expose the problem after > ?????????* connection completion. > ?????????*/ > ?????????... >> ?I don't know does the first one support wildcards or no! Seems >> ?to be: how does Curl_cert_hostcheck work - is the answer, but I >> ?don't know how it works. > > Wildcard support is configured via the flags documented for X509_check_host(), > the two most frequently useful are: > > ????????X509_CHECK_FLAG_NO_WILDCARDS > ????????X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS > > -- > ????????Viktor. > _______________________________________________ > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users -- Best Regards, Serj
