openssl asn1pars: don't reach into ASN1_STRING

ok kenjiro

1 files changed, 4 insertions, 4 deletions

diff --git a/src/usr.bin/openssl/asn1pars.c b/src/usr.bin/openssl/asn1pars.c
index 355784169e..52991c392e 100644
--- a/src/usr.bin/openssl/asn1pars.c
+++ b/src/usr.bin/openssl/asn1pars.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1pars.c,v 1.17 2025/01/02 12:31:44 tb Exp $ */
+/* $OpenBSD: asn1pars.c,v 1.18 2025/11/27 08:22:32 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -241,7 +241,7 @@ asn1parse_main(int argc, char **argv)
         BIO *in = NULL, *out = NULL, *b64 = NULL, *derout = NULL;
         char *str = NULL;
         const char *errstr = NULL;
-        unsigned char *tmpbuf;
+        const unsigned char *tmpbuf;
         const unsigned char *ctmpbuf;
         BUF_MEM *buf = NULL;
         ASN1_TYPE *at = NULL;
@@ -368,8 +368,8 @@ asn1parse_main(int argc, char **argv)
                                 goto end;
                         }
                         /* hmm... this is a little evil but it works */
-                        tmpbuf = at->value.asn1_string->data;
-                        tmplen = at->value.asn1_string->length;
+                        tmpbuf = ASN1_STRING_get0_data(at->value.asn1_string);
+                        tmplen = ASN1_STRING_length(at->value.asn1_string);
                 }
                 str = (char *) tmpbuf;
                 num = tmplen;