Fix safestack issues in asn1t.h

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12781)

.gitignore

@@ -23,6 +23,7 @@
 /crypto/buildinf.h
 /include/crypto/*_conf.h
 /include/openssl/asn1.h
+/include/openssl/asn1t.h
 /include/openssl/cmp.h
 /include/openssl/cms.h
 /include/openssl/configuration.h

build.info

@@ -14,6 +14,7 @@ DEPEND[libssl]=libcrypto
 # Empty DEPEND "indices" means the dependencies are expected to be built
 # unconditionally before anything else.
 DEPEND[]=include/openssl/asn1.h \
+         include/openssl/asn1t.h \
          include/openssl/cmp.h \
          include/openssl/cms.h \
          include/openssl/configuration.h \
@@ -33,6 +34,7 @@ DEPEND[]=include/openssl/asn1.h \
          doc/man7/openssl_user_macros.pod
 
 GENERATE[include/openssl/asn1.h]=include/openssl/asn1.h.in
+GENERATE[include/openssl/asn1t.h]=include/openssl/asn1t.h.in
 GENERATE[include/openssl/cmp.h]=include/openssl/cmp.h.in
 GENERATE[include/openssl/cms.h]=include/openssl/cms.h.in
 GENERATE[include/openssl/configuration.h]=include/openssl/configuration.h.in

crypto/asn1/tasn_dec.c

@@ -17,8 +17,6 @@
 #include "internal/numbers.h"
 #include "asn1_local.h"
 
-DEFINE_STACK_OF(ASN1_VALUE)
-
 /*
  * Constructed types with a recursive definition (such as can be found in PKCS7)
  * could eventually exceed the stack given malicious input with excessive

crypto/asn1/tasn_fre.c

@@ -13,8 +13,6 @@
 #include <openssl/objects.h>
 #include "asn1_local.h"
 
-DEFINE_STACK_OF(ASN1_VALUE)
-
 /* Free up an ASN1 structure */
 
 void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it)

crypto/asn1/tasn_new.c

@@ -15,8 +15,6 @@
 #include <string.h>
 #include "asn1_local.h"
 
-DEFINE_STACK_OF(ASN1_VALUE)
-
 static int asn1_item_embed_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
                                int embed);
 static int asn1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it,

crypto/x509/x_name.c

@@ -16,8 +16,6 @@
 #include "crypto/asn1.h"
 #include "x509_local.h"
 
-DEFINE_STACK_OF(ASN1_VALUE)
-
 /*
  * Maximum length of X509_NAME: much larger than anything we should
  * ever see in practice.

include/openssl/asn1t.h.in

@@ -1,4 +1,6 @@
 /*
+ * {- join("\n * ", @autowarntext) -}
+ *
  * Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
@@ -7,6 +9,10 @@
  * https://www.openssl.org/source/license.html
  */
 
+{-
+use OpenSSL::stackhash qw(generate_stack_macros);
+-}
+
 #ifndef OPENSSL_ASN1T_H
 # define OPENSSL_ASN1T_H
 # pragma once
@@ -880,7 +886,10 @@ DECLARE_ASN1_ITEM(LONG)
 DECLARE_ASN1_ITEM(ZLONG)
 # endif
 
-DEFINE_OR_DECLARE_STACK_OF(ASN1_VALUE)
+{-
+    generate_stack_macros("ASN1_VALUE");
+-}
+
 
 /* Functions used internally by the ASN1 code */