[vbox-dev] [PATCH] Fix compilation with LibreSSL <2.7.0

[Stefan Strogin]

Could somebody review the patch please?
Or have I done something wrong sending it to this mailing list?

On 16/01/2019 06:26, Stefan Strogin wrote:
> BIO_up_ref() was provided since LibreSSL-2.7.0.
> When 2.6.x is used we get an error:
> 
> src/VBox/Runtime/common/crypto/ssl-openssl.cpp:275:17: error: ‘BIO_up_ref’ was not declared in this scope
>                  BIO_up_ref(pSession->pBio); /* our reference. */
>                  ^~~~~~~~~~
> 
> See also: https://bugs.gentoo.org/673800
> The patch is submitted under MIT license.
> ---
>  src/VBox/Runtime/common/crypto/ssl-openssl.cpp | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/VBox/Runtime/common/crypto/ssl-openssl.cpp b/src/VBox/Runtime/common/crypto/ssl-openssl.cpp
> index dbbf4940..5326de4e 100644
> --- a/src/VBox/Runtime/common/crypto/ssl-openssl.cpp
> +++ b/src/VBox/Runtime/common/crypto/ssl-openssl.cpp
> @@ -272,7 +272,7 @@ RTDECL(int) RTCrSslCreateSessionForNativeSocket(RTCRSSL hSsl, RTHCINTPTR hNative
>              pSession->pBio = BIO_new_socket(hNativeSocket, BIO_NOCLOSE);
>              if (pSession->pBio)
>              {
> -# if OPENSSL_VERSION_NUMBER >= 0x10100000
> +# if (OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER)) || LIBRESSL_VERSION_NUMBER >= 0x2070000f
>                  BIO_up_ref(pSession->pBio); /* our reference. */
>  # endif
>                  SSL_set_bio(pSession->pSsl, pSession->pBio, pSession->pBio);
> @@ -320,7 +320,7 @@ static int rtCrSslSessionDestroy(RTCRSSLSESSIONINT *pThis)
>      ASMAtomicWriteU32(&pThis->u32Magic, ~RTCRSSLSESSIONINT_MAGIC);
>      SSL_free(pThis->pSsl);
>      pThis->pSsl = NULL;
> -# if OPENSSL_VERSION_NUMBER >= 0x10100000
> +# if (OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER)) || LIBRESSL_VERSION_NUMBER >= 0x2070000f
>      BIO_free(pThis->pBio);
>  # endif
>      pThis->pBio = NULL;
>