Detect OpenSSL version at runtime, not at compile time

This commit is contained in:
Janusz Dziemidowicz 2012-07-24 07:40:07 +02:00
parent bc65b5008e
commit 5e7a1c8829
1 changed files with 7 additions and 3 deletions

View File

@ -283,11 +283,15 @@ static int verify_callback(int preverify_ok, X509_STORE_CTX *ctx)
* See http://www.openssl.org/news/secadv_20110906.txt
* for details.
*/
#if OPENSSL_VERSION_NUMBER >= 0x1000005fL && !defined(OPENSSL_NO_ECDH)
#ifndef OPENSSL_NO_ECDH
static void setup_ecdh(SSL_CTX *ctx)
{
EC_KEY *ecdh;
if (SSLeay() < 0x1000005fL) {
return;
}
ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
SSL_CTX_set_options(ctx, SSL_OP_SINGLE_ECDH_USE);
SSL_CTX_set_tmp_ecdh(ctx, ecdh);
@ -440,12 +444,12 @@ static ErlDrvSSizeT tls_drv_control(ErlDrvData handle,
SSL_CTX_set_cipher_list(ctx, CIPHERS);
#if OPENSSL_VERSION_NUMBER >= 0x1000005fL && !defined(OPENSSL_NO_ECDH)
#ifndef OPENSSL_NO_ECDH
if (command == SET_CERTIFICATE_FILE_ACCEPT) {
setup_ecdh(ctx);
}
#endif
#if !defined(OPENSSL_NO_DH)
#ifndef OPENSSL_NO_DH
if (command == SET_CERTIFICATE_FILE_ACCEPT) {
setup_dh(ctx);
}