ssl: rework "e_os.h" inclusions

- Remove e_os.h include from "ssl_local.h"
- Added e_os.h into the files that need it now.
- Move e_os.h to be the very first include

Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14344)

ssl/d1_lib.c

@@ -8,6 +8,7 @@
  */
 
 #include "internal/e_os.h"
+#include "internal/e_winsock.h"          /* struct timeval for DTLS_CTRL_GET_TIMEOUT */
 #include <stdio.h>
 #include <openssl/objects.h>
 #include <openssl/rand.h>

ssl/record/rec_layer_s3.c

@@ -7,6 +7,8 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include "internal/e_os.h"
+
 #include <stdio.h>
 #include <limits.h>
 #include <errno.h>

ssl/s3_lib.c

@@ -9,7 +9,8 @@
  * https://www.openssl.org/source/license.html
  */
 
-#include <stdio.h>
+#include "internal/e_os.h"
+
 #include <openssl/objects.h>
 #include "internal/nelem.h"
 #include "ssl_local.h"

ssl/ssl_cert.c

@@ -8,6 +8,8 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include "internal/e_os.h"
+
 #include <stdio.h>
 #include <sys/types.h>
 

ssl/ssl_conf.c

@@ -7,6 +7,8 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include "internal/e_os.h"
+
 #include <stdio.h>
 #include "ssl_local.h"
 #include <openssl/conf.h>

ssl/ssl_lib.c

@@ -9,8 +9,10 @@
  * https://www.openssl.org/source/license.html
  */
 
-#include "ssl_local.h"
 #include "internal/e_os.h"
+#include "internal/e_winsock.h"
+#include "ssl_local.h"
+
 #include <openssl/objects.h>
 #include <openssl/x509v3.h>
 #include <openssl/rand.h>

ssl/ssl_local.h

@@ -12,7 +12,6 @@
 #ifndef OSSL_SSL_LOCAL_H
 # define OSSL_SSL_LOCAL_H
 
-# include "internal/e_os.h"              /* struct timeval for DTLS */
 # include <stdlib.h>
 # include <time.h>
 # include <errno.h>

ssl/statem/statem.c

@@ -7,6 +7,8 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include "internal/e_os.h"
+
 #if defined(__TANDEM) && defined(_SPT_MODEL_)
 # include <spthread.h>
 # include <spt_extensions.h> /* timeval */

ssl/statem/statem_srvr.c

@@ -9,6 +9,8 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include "internal/e_os.h"
+
 #include <stdio.h>
 #include "../ssl_local.h"
 #include "statem_local.h"

test/helpers/ssltestlib.c

@@ -25,6 +25,7 @@
 
 #if (!defined(OPENSSL_NO_KTLS) || !defined(OPENSSL_NO_QUIC)) && !defined(OPENSSL_NO_POSIX_IO) && !defined(OPENSSL_NO_SOCK)
 # define OSSL_USE_SOCKETS 1
+# include "internal/e_winsock.h"
 # include "internal/sockets.h"
 # include <openssl/bio.h>
 #endif