1 files changed, 63 insertions, 6 deletions

diff --git a/src/lib/libcrypto/asn1/a_d2i_fp.c b/src/lib/libcrypto/asn1/a_d2i_fp.c
index a49d1cb289..a80fbe9ff7 100644
--- a/src/lib/libcrypto/asn1/a_d2i_fp.c
+++ b/src/lib/libcrypto/asn1/a_d2i_fp.c
@@ -61,9 +61,11 @@
 #include <openssl/buffer.h>
 #include <openssl/asn1_mac.h>
 
-#define HEADER_SIZE   8
+static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb);
+
+#ifndef NO_OLD_ASN1
+#ifndef OPENSSL_NO_FP_API
 
-#ifndef NO_FP_API
 char *ASN1_d2i_fp(char *(*xnew)(), char *(*d2i)(), FILE *in,
              unsigned char **x)
         {
@@ -85,10 +87,65 @@ char *ASN1_d2i_fp(char *(*xnew)(), char *(*d2i)(), FILE *in,
 char *ASN1_d2i_bio(char *(*xnew)(), char *(*d2i)(), BIO *in,
              unsigned char **x)
         {
+        BUF_MEM *b = NULL;
+        unsigned char *p;
+        char *ret=NULL;
+        int len;
+
+        len = asn1_d2i_read_bio(in, &b);
+        if(len < 0) goto err;
+
+        p=(unsigned char *)b->data;
+        ret=d2i(x,&p,len);
+err:
+        if (b != NULL) BUF_MEM_free(b);
+        return(ret);
+        }
+
+#endif
+
+void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x)
+        {
+        BUF_MEM *b = NULL;
+        unsigned char *p;
+        void *ret=NULL;
+        int len;
+
+        len = asn1_d2i_read_bio(in, &b);
+        if(len < 0) goto err;
+
+        p=(unsigned char *)b->data;
+        ret=ASN1_item_d2i(x,&p,len, it);
+err:
+        if (b != NULL) BUF_MEM_free(b);
+        return(ret);
+        }
+
+#ifndef OPENSSL_NO_FP_API
+void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x)
+        {
+        BIO *b;
+        char *ret;
+
+        if ((b=BIO_new(BIO_s_file())) == NULL)
+                {
+                ASN1err(ASN1_F_ASN1_D2I_FP,ERR_R_BUF_LIB);
+                return(NULL);
+                }
+        BIO_set_fp(b,in,BIO_NOCLOSE);
+        ret=ASN1_item_d2i_bio(it,b,x);
+        BIO_free(b);
+        return(ret);
+        }
+#endif
+
+#define HEADER_SIZE   8
+static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
+        {
         BUF_MEM *b;
         unsigned char *p;
         int i;
-        char *ret=NULL;
+        int ret=-1;
         ASN1_CTX c;
         int want=HEADER_SIZE;
         int eos=0;
@@ -99,7 +156,7 @@ char *ASN1_d2i_bio(char *(*xnew)(), char *(*d2i)(), BIO *in,
         if (b == NULL)
                 {
                 ASN1err(ASN1_F_ASN1_D2I_BIO,ERR_R_MALLOC_FAILURE);
-                return(NULL);
+                return -1;
                 }
 
         ERR_clear_error();
@@ -187,8 +244,8 @@ char *ASN1_d2i_bio(char *(*xnew)(), char *(*d2i)(), BIO *in,
                         }
                 }
 
-        p=(unsigned char *)b->data;
-        ret=d2i(x,&p,off);
+        *pb = b;
+        return off;
 err:
         if (b != NULL) BUF_MEM_free(b);
         return(ret);