X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Ftasn_prn.c;h=930ef97a9e9554d8875df8f2f16b5d1ea8f2e89c;hp=716db8f7c2008a44b456b7313f46c1aa8d19a520;hb=5e3553c2de9a365479324b8ba8b998f0cce3e527;hpb=b39fc560612984e65ec30d7f37487303bf514fb3

diff --git a/crypto/asn1/tasn_prn.c b/crypto/asn1/tasn_prn.c
index 716db8f7c2..930ef97a9e 100644
--- a/crypto/asn1/tasn_prn.c
+++ b/crypto/asn1/tasn_prn.c
@@ -1,60 +1,10 @@
-/* tasn_prn.c */
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000,2005 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stddef.h>
@@ -74,7 +24,7 @@
 
 /* ASN1_PCTX routines */
 
-ASN1_PCTX default_pctx = {
+static ASN1_PCTX default_pctx = {
     ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
     0,                          /* nm_flags */
     0,                          /* cert_flags */
@@ -85,16 +35,12 @@ ASN1_PCTX default_pctx = {
 ASN1_PCTX *ASN1_PCTX_new(void)
 {
     ASN1_PCTX *ret;
-    ret = OPENSSL_malloc(sizeof(*ret));
+
+    ret = OPENSSL_zalloc(sizeof(*ret));
     if (ret == NULL) {
         ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
         return NULL;
     }
-    ret->flags = 0;
-    ret->nm_flags = 0;
-    ret->cert_flags = 0;
-    ret->oid_flags = 0;
-    ret->str_flags = 0;
     return ret;
 }
 
@@ -223,7 +169,7 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
                 return 0;
             break;
         }
-        /* fall thru */
+        /* fall through */
     case ASN1_ITYPE_MSTRING:
         if (!asn1_primitive_print(out, fld, it, indent, fname, sname, pctx))
             return 0;
@@ -319,6 +265,7 @@ int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
 {
     int i, flags;
     const char *sname, *fname;
+    ASN1_VALUE *tfld;
     flags = tt->flags;
     if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
         sname = ASN1_ITEM_ptr(tt->item)->sname;
@@ -328,6 +275,16 @@ int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
         fname = NULL;
     else
         fname = tt->field_name;
+
+    /*
+     * If field is embedded then fld needs fixing so it is a pointer to
+     * a pointer to a field.
+     */
+    if (flags & ASN1_TFLG_EMBED) {
+        tfld = (ASN1_VALUE *)fld;
+        fld = &tfld;
+    }
+
     if (flags & ASN1_TFLG_SK_MASK) {
         char *tname;
         ASN1_VALUE *skitem;
@@ -407,8 +364,7 @@ static int asn1_print_fsname(BIO *out, int indent,
     return 1;
 }
 
-static int asn1_print_boolean_ctx(BIO *out, int boolval,
-                                  const ASN1_PCTX *pctx)
+static int asn1_print_boolean(BIO *out, int boolval)
 {
     const char *str;
     switch (boolval) {
@@ -432,20 +388,20 @@ static int asn1_print_boolean_ctx(BIO *out, int boolval,
 
 }
 
-static int asn1_print_integer_ctx(BIO *out, ASN1_INTEGER *str,
-                                  const ASN1_PCTX *pctx)
+static int asn1_print_integer(BIO *out, ASN1_INTEGER *str)
 {
     char *s;
     int ret = 1;
     s = i2s_ASN1_INTEGER(NULL, str);
+    if (s == NULL)
+        return 0;
     if (BIO_puts(out, s) <= 0)
         ret = 0;
     OPENSSL_free(s);
     return ret;
 }
 
-static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid,
-                              const ASN1_PCTX *pctx)
+static int asn1_print_oid(BIO *out, const ASN1_OBJECT *oid)
 {
     char objbuf[80];
     const char *ln;
@@ -458,8 +414,7 @@ static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid,
     return 1;
 }
 
-static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent,
-                                   const ASN1_PCTX *pctx)
+static int asn1_print_obstring(BIO *out, ASN1_STRING *str, int indent)
 {
     if (str->type == V_ASN1_BIT_STRING) {
         if (BIO_printf(out, " (%ld unused bits)\n", str->flags & 0x7) <= 0)
@@ -528,13 +483,13 @@ static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
             int boolval = *(int *)fld;
             if (boolval == -1)
                 boolval = it->size;
-            ret = asn1_print_boolean_ctx(out, boolval, pctx);
+            ret = asn1_print_boolean(out, boolval);
         }
         break;
 
     case V_ASN1_INTEGER:
     case V_ASN1_ENUMERATED:
-        ret = asn1_print_integer_ctx(out, str, pctx);
+        ret = asn1_print_integer(out, str);
         break;
 
     case V_ASN1_UTCTIME:
@@ -546,12 +501,12 @@ static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
         break;
 
     case V_ASN1_OBJECT:
-        ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT *)*fld, pctx);
+        ret = asn1_print_oid(out, (const ASN1_OBJECT *)*fld);
         break;
 
     case V_ASN1_OCTET_STRING:
     case V_ASN1_BIT_STRING:
-        ret = asn1_print_obstring_ctx(out, str, indent, pctx);
+        ret = asn1_print_obstring(out, str, indent);
         needlf = 0;
         break;