Move more ASN1_STRING_* functions to a_string.c.

No functional change.

1 files changed, 60 insertions, 1 deletions

diff --git a/src/lib/libcrypto/asn1/a_string.c b/src/lib/libcrypto/asn1/a_string.c
index e7e75ff9d3..7a9eabe6c6 100644
--- a/src/lib/libcrypto/asn1/a_string.c
+++ b/src/lib/libcrypto/asn1/a_string.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: a_string.c,v 1.2 2021/12/24 14:12:26 jsing Exp $ */
+/* $OpenBSD: a_string.c,v 1.3 2021/12/25 12:11:57 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -63,6 +63,8 @@
 #include <openssl/buffer.h>
 #include <openssl/err.h>
 
+#include "asn1_locl.h"
+
 ASN1_STRING *
 ASN1_STRING_new(void)
 {
@@ -210,6 +212,63 @@ ASN1_STRING_get0_data(const ASN1_STRING *x)
 }
 
 int
+ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
+{
+        int i, n;
+        char buf[80];
+        const char *p;
+
+        if (v == NULL)
+                return (0);
+        n = 0;
+        p = (const char *)v->data;
+        for (i = 0; i < v->length; i++) {
+                if ((p[i] > '~') || ((p[i] < ' ') &&
+                    (p[i] != '\n') && (p[i] != '\r')))
+                        buf[n] = '.';
+                else
+                        buf[n] = p[i];
+                n++;
+                if (n >= 80) {
+                        if (BIO_write(bp, buf, n) <= 0)
+                                return (0);
+                        n = 0;
+                }
+        }
+        if (n > 0)
+                if (BIO_write(bp, buf, n) <= 0)
+                        return (0);
+        return (1);
+}
+
+/*
+ * Utility function: convert any string type to UTF8, returns number of bytes
+ * in output string or a negative error code
+ */
+int
+ASN1_STRING_to_UTF8(unsigned char **out, const ASN1_STRING *in)
+{
+        ASN1_STRING stmp, *str = &stmp;
+        int mbflag, ret;
+
+        if (!in)
+                return -1;
+
+        if ((mbflag = asn1_tag2charwidth(in->type)) == -1)
+                return -1;
+        mbflag |= MBSTRING_FLAG;
+
+        stmp.data = NULL;
+        stmp.length = 0;
+        ret = ASN1_mbstring_copy(&str, in->data, in->length, mbflag,
+            B_ASN1_UTF8STRING);
+        if (ret < 0)
+                return ret;
+        *out = stmp.data;
+        return stmp.length;
+}
+
+int
 i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type)
 {
         int i, n = 0;