Fix print of ASN.1 BIGNUM type.

The ASN.1 BIGNUM type needs to be handled in a custom way as it is
not a generic ASN1_STRING type.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 3cea73a7fcaaada1ea0ee4b4353ed0176fee1112)

Conflicts:
	crypto/asn1/x_bignum.c

diff --git a/crypto/asn1/x_bignum.c b/crypto/asn1/x_bignum.c
index eaf046639d6a206339463bae6ea37cee45888f43..c644199c9f81e59ccbbf8516d38789dedc5e69d1 100644 (file)
--- a/crypto/asn1/x_bignum.c
+++ b/crypto/asn1/x_bignum.c
@@ -78,6 +78,8 @@ static int bn_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype,
                   const ASN1_ITEM *it);
 static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
                   int utype, char *free_cont, const ASN1_ITEM *it);
+static int bn_print(BIO *out, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                    int indent, const ASN1_PCTX *pctx);
 
 static ASN1_PRIMITIVE_FUNCS bignum_pf = {
     NULL, 0,
@@ -85,7 +87,8 @@ static ASN1_PRIMITIVE_FUNCS bignum_pf = {
     bn_free,
     0,
     bn_c2i,
-    bn_i2c
+    bn_i2c,
+    bn_print
 };
 
 ASN1_ITEM_start(BIGNUM)
@@ -151,3 +154,13 @@ static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
     }
     return 1;
 }
+
+static int bn_print(BIO *out, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                    int indent, const ASN1_PCTX *pctx)
+{
+    if (!BN_print(out, *(BIGNUM **)pval))
+        return 0;
+    if (BIO_puts(out, "\n") <= 0)
+        return 0;
+    return 1;
+}