Entropy changed back to non-pointer in ssl_server2.c

Changed because CI failures. Also some minor improvements.

programs/ssl/ssl_server2.c

@@ -1561,16 +1561,16 @@ int main( int argc, char *argv[] )
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
 #endif
-    mbedtls_entropy_context *entropy;
+    mbedtls_entropy_context entropy;
 #if defined(MBEDTLS_CTR_DRBG_C)
-    mbedtls_ctr_drbg_context *ctr_drbg;
+    mbedtls_ctr_drbg_context *ctr_drbg = NULL;
 #else
-    mbedtls_hmac_drbg_context *hmac_drbg;
+    mbedtls_hmac_drbg_context *hmac_drbg = NULL;
 #endif
     mbedtls_ssl_context *ssl = NULL;
     mbedtls_ssl_config *conf = NULL;
 #if defined(MBEDTLS_TIMING_C)
-    mbedtls_timing_delay_context *timer;
+    mbedtls_timing_delay_context *timer = NULL;
 #endif
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
     unsigned char renego_period[8] = { 0 };
@@ -1594,7 +1594,7 @@ int main( int argc, char *argv[] )
     mbedtls_ssl_cache_context *cache = NULL;
 #endif
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_ticket_context *ticket_ctx;
+    mbedtls_ssl_ticket_context *ticket_ctx = NULL;
 #endif
 #if defined(SNI_OPTION)
     sni_entry *sni_info = NULL;
@@ -2292,14 +2292,15 @@ int main( int argc, char *argv[] )
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
 #endif
-
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     ssl = mbedtls_calloc( 1, sizeof( *ssl ) );
     conf = mbedtls_calloc( 1, sizeof( *conf ) );
     cacert = mbedtls_calloc( 1, sizeof( *cacert ) );
     srvcert = mbedtls_calloc( 1, sizeof( *srvcert ) );
     pkey = mbedtls_calloc( 1, sizeof( *pkey ) );
     srvcert2 = mbedtls_calloc( 1, sizeof( *srvcert2 ) );
     pkey2 = mbedtls_calloc( 1, sizeof( *pkey2 ) );
+#endif
 #if defined(MBEDTLS_SSL_CACHE_C)
     cache = mbedtls_calloc( 1, sizeof( *cache ) );
 #endif
@@ -2309,17 +2310,20 @@ int main( int argc, char *argv[] )
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
     ticket_ctx = mbedtls_calloc( 1, sizeof( *ticket_ctx ) );
 #endif
-    entropy = mbedtls_calloc( 1, sizeof( *entropy ) );
+
 #if defined(MBEDTLS_CTR_DRBG_C)
     ctr_drbg = mbedtls_calloc( 1, sizeof( *ctr_drbg ) );
 #else
     hmac_drbg = mbedtls_calloc( 1, sizeof( *hmac_drbg ) );
 #endif
 
-    if( ssl         == NULL || conf      == NULL ||
+    if(
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+        ssl         == NULL || conf      == NULL ||
         cacert      == NULL || srvcert   == NULL ||
         pkey        == NULL || srvcert2  == NULL ||
         pkey2       == NULL ||
+#endif
 #if defined(MBEDTLS_SSL_CACHE_C)
         cache       == NULL ||
 #endif
@@ -2334,7 +2338,7 @@ int main( int argc, char *argv[] )
 #else
         hmac_drbg   == NULL ||
 #endif
-        entropy     == NULL )
+        1 == 0) // just to please compiler
     {
         goto exit;
     }
@@ -2380,7 +2384,6 @@ int main( int argc, char *argv[] )
 
 
 
-
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     if( unhexify( cid, opt.cid_val, &cid_len ) != 0 )
     {
@@ -2504,10 +2507,10 @@ int main( int argc, char *argv[] )
     mbedtls_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );
 
-    mbedtls_entropy_init( entropy );
+    mbedtls_entropy_init( &entropy );
 #if defined(MBEDTLS_CTR_DRBG_C)
     if( ( ret = mbedtls_ctr_drbg_seed( ctr_drbg, mbedtls_entropy_func,
-                                       entropy, (const unsigned char *) pers,
+                                       &entropy, (const unsigned char *) pers,
                                        strlen( pers ) ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
@@ -2519,7 +2522,7 @@ int main( int argc, char *argv[] )
                                         mbedtls_md_info_from_type(
                                             available_hashes[0] ),
                                         mbedtls_entropy_func,
-                                        entropy, (const unsigned char *) pers,
+                                        &entropy, (const unsigned char *) pers,
                                         strlen( pers ) ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
@@ -3976,7 +3979,7 @@ int main( int argc, char *argv[] )
 #else
     mbedtls_hmac_drbg_free( hmac_drbg );
 #endif
-    mbedtls_entropy_free( entropy );
+    mbedtls_entropy_free( &entropy );
 
 #if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_free( cache );
@@ -4000,15 +4003,17 @@ int main( int argc, char *argv[] )
 
     mbedtls_free( ssl );
     mbedtls_free( conf );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_free( cacert );
     mbedtls_free( srvcert );
     mbedtls_free( pkey );
     mbedtls_free( srvcert2 );
     mbedtls_free( pkey2 );
+#endif
 #if defined(MBEDTLS_TIMING_C)
     mbedtls_free( timer );
 #endif
-    mbedtls_free( entropy );
+
 #if defined(MBEDTLS_CTR_DRBG_C)
     mbedtls_free( ctr_drbg );
 #else