Enforce NULL context for hardcoded RNG
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 3fa2b15..e0e4337 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1505,6 +1505,20 @@
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#if defined(MBEDTLS_SSL_CONF_RNG)
+int rng_wrap( void *ctx, unsigned char *dst, size_t len );
+
+mbedtls_ctr_drbg_context *rng_ctx_global = NULL;
+int rng_wrap( void *ctx, unsigned char *dst, size_t len )
+{
+ /* We expect the NULL parameter here. */
+ if( ctx != NULL )
+ return( -1 );
+
+ return( mbedtls_ctr_drbg_random( rng_ctx_global, dst, len ) );
+}
+#endif /* MBEDTLS_SSL_CONF_RNG */
+
int main( int argc, char *argv[] )
{
int ret = 0, len, written, frags, exchanges_left;
@@ -2754,7 +2768,7 @@
#if !defined(MBEDTLS_SSL_CONF_RNG)
mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
#else
- mbedtls_ssl_conf_rng_ctx( &conf, &ctr_drbg );
+ rng_ctx_global = &ctr_drbg;
#endif
#if defined(MBEDTLS_DEBUG_C)