Make ASN.1 BIO internal

With every bump we can remove a bit more of the ASN.1 BIO and the
streaming interface. At some point enough will be internal so that
we can rewrite it and bring it in a shape where mere mortals can
follow all the twists and turns. This is the next step: BIO_f_asn1(3)
goes away and takes BIO_asn1_{get,set}_{prefix,suffix}() with it,
a bunch of functions helping along in a write-after-free recently.
The getters go away, the setters stay for now.

ok jsing

1 files changed, 1 insertions, 16 deletions

diff --git a/src/lib/libcrypto/bio/bio.h b/src/lib/libcrypto/bio/bio.h
index 124690b1ee..8450780f69 100644
--- a/src/lib/libcrypto/bio/bio.h
+++ b/src/lib/libcrypto/bio/bio.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio.h,v 1.58 2023/07/05 19:25:01 tb Exp $ */
+/* $OpenBSD: bio.h,v 1.59 2023/07/28 09:58:30 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -371,11 +371,6 @@ int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
 #define BIO_C_RESET_READ_REQUEST                147
 #define BIO_C_SET_MD_CTX                        148
 
-#define BIO_C_SET_PREFIX                        149
-#define BIO_C_GET_PREFIX                        150
-#define BIO_C_SET_SUFFIX                        151
-#define BIO_C_GET_SUFFIX                        152
-
 #define BIO_C_SET_EX_ARG                        153
 #define BIO_C_GET_EX_ARG                        154
 
@@ -535,16 +530,6 @@ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
 unsigned long BIO_number_read(BIO *bio);
 unsigned long BIO_number_written(BIO *bio);
 
-/* For BIO_f_asn1() */
-int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
-asn1_ps_func *prefix_free);
-int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
-asn1_ps_func **pprefix_free);
-int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
-asn1_ps_func *suffix_free);
-int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
-asn1_ps_func **psuffix_free);
-
 int BIO_get_new_index(void);
 const BIO_METHOD *BIO_s_file(void);
 BIO *BIO_new_file(const char *filename, const char *mode);