Print out OID of unknown signature or public key

[openssl.git] / crypto / asn1 / a_d2i_fp.c

diff --git a/crypto/asn1/a_d2i_fp.c b/crypto/asn1/a_d2i_fp.c
index 5c9c9cf09b356a9f2d2e24c114f0508aca5a2dcd..a80fbe9ff7f3070687981fd2259ed3ca8d4589ad 100644 (file)
--- a/crypto/asn1/a_d2i_fp.c
+++ b/crypto/asn1/a_d2i_fp.c
@@ -1,5 +1,5 @@
 /* crypto/asn1/a_d2i_fp.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
@@ -58,17 +58,16 @@
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include "buffer.h"
-#include "asn1_mac.h"
+#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 WIN16
-char *ASN1_d2i_fp(xnew,d2i,in,x)
-char *(*xnew)();
-char *(*d2i)();
-FILE *in;
-unsigned char **x;
+char *ASN1_d2i_fp(char *(*xnew)(), char *(*d2i)(), FILE *in,
+            unsigned char **x)
         {
         BIO *b;
         char *ret;
@@ -85,16 +84,68 @@ unsigned char **x;
         }
 #endif
 
-char *ASN1_d2i_bio(xnew,d2i,in,x)
-char *(*xnew)();
-char *(*d2i)();
-BIO *in;
-unsigned char **x;
+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;
@@ -105,9 +156,10 @@ unsigned char **x;
        if (b == NULL)
                {
                ASN1err(ASN1_F_ASN1_D2I_BIO,ERR_R_MALLOC_FAILURE);
-               return(NULL);
+               return -1;
                }
 
+       ERR_clear_error();
        for (;;)
                {
                if (want >= (len-off))
@@ -192,8 +244,8 @@ unsigned char **x;
                        }
                }
 
-       p=(unsigned char *)b->data;
-       ret=d2i(x,&p,off);
+       *pb = b;
+       return off;
 err:
        if (b != NULL) BUF_MEM_free(b);
        return(ret);