Make internal header file names consistent

Libcrypto currently has a mess of *_lcl.h, *_locl.h, and *_local.h names
used for internal headers. Move all these headers we inherited from
OpenSSL to *_local.h, reserving the name *_internal.h for our own code.
Similarly, move dtls_locl.h and ssl_locl.h to dtls_local and ssl_local.h.
constant_time_locl.h is moved to constant_time.h since it's special.

Adjust all .c files in libcrypto, libssl and regress.

The diff is mechanical with the exception of tls13_quic.c, where
#include <ssl_locl.h> was fixed manually.

discussed with jsing,
no objection bcook

2 files changed, 4 insertions, 4 deletions

diff --git a/src/lib/libcrypto/engine/eng_openssl.c b/src/lib/libcrypto/engine/eng_openssl.c
index 1a6113ba6d..c632279faa 100644
--- a/src/lib/libcrypto/engine/eng_openssl.c
+++ b/src/lib/libcrypto/engine/eng_openssl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: eng_openssl.c,v 1.15 2022/01/09 23:55:31 tb Exp $ */
+/* $OpenBSD: eng_openssl.c,v 1.16 2022/11/26 16:08:52 tb Exp $ */
 /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
  * project 2000.
  */
@@ -84,7 +84,7 @@
 #include <openssl/rsa.h>
 #endif
 
-#include "evp_locl.h"
+#include "evp_local.h"
 
 /* This testing gunk is implemented (and explained) lower down. It also assumes
  * the application explicitly calls "ENGINE_load_openssl()" because this is no
diff --git a/src/lib/libcrypto/engine/tb_asnmth.c b/src/lib/libcrypto/engine/tb_asnmth.c
index 51e5198b40..913230f696 100644
--- a/src/lib/libcrypto/engine/tb_asnmth.c
+++ b/src/lib/libcrypto/engine/tb_asnmth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tb_asnmth.c,v 1.6 2017/01/29 17:49:23 beck Exp $ */
+/* $OpenBSD: tb_asnmth.c,v 1.7 2022/11/26 16:08:52 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
  *
@@ -58,7 +58,7 @@
 #include <openssl/err.h>
 
 #include "eng_int.h"
-#include "asn1_locl.h"
+#include "asn1_local.h"
 #include <openssl/evp.h>
 
 /* If this symbol is defined then ENGINE_get_pkey_asn1_meth_engine(), the