# include <openssl/ssl.h>
# include <openssl/err.h>
# include <openssl/rand.h>
-# if !defined(EXIM_HAVE_OPENSSL_TLSEXT) && !defined(DISABLE_OCSP)
+
+# if OPENSSL_VERSION_NUMBER < 0x0090806fL && !defined(DISABLE_OCSP) && !defined(OPENSSL_NO_TLSEXT)
# warning "OpenSSL library version too old; define DISABLE_OCSP in Makefile"
# define DISABLE_OCSP
# endif
tls_start(int sock, SSL **ssl, SSL_CTX *ctx)
{
int rc;
-static const unsigned char *sid_ctx = "exim";
+static const unsigned char *sid_ctx = US"exim";
RAND_load_file("client.c", -1); /* Not *very* random! */
*ssl = SSL_new (ctx);
-SSL_set_session_id_context(*ssl, sid_ctx, strlen(sid_ctx));
+SSL_set_session_id_context(*ssl, sid_ctx, strlen(CS sid_ctx));
SSL_set_fd (*ssl, sock);
SSL_set_connect_state(*ssl);