Return an error in ASN1_TYPE_unpack_sequence if argument is NULL

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

diff --git a/crypto/asn1/tasn_new.c b/crypto/asn1/tasn_new.c
index 996a4d5cc6719dc7975898561a3fee100578d7d4..aeced95232df17f4180784762884d83e95e82585 100644 (file)
--- a/crypto/asn1/tasn_new.c
+++ b/crypto/asn1/tasn_new.c
@@ -65,9 +65,9 @@
 #include <string.h>
 #include "asn1_locl.h"
 
-static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
-                                    int combine);
+static int asn1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
 static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
 static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
 static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
 
@@ -82,12 +82,6 @@ ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it)
 /* Allocate an ASN1 structure */
 
 int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
-    return asn1_item_ex_combine_new(pval, it, 0);
-}
-
-static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
-                                    int combine)
 {
     const ASN1_TEMPLATE *tt = NULL;
     const ASN1_EXTERN_FUNCS *ef;
@@ -100,9 +94,6 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
     else
         asn1_cb = 0;
 
-    if (!combine)
-        *pval = NULL;
-
 #ifdef CRYPTO_MDEBUG
     if (it->sname)
         CRYPTO_push_info(it->sname);
@@ -120,14 +111,14 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
 
     case ASN1_ITYPE_PRIMITIVE:
         if (it->templates) {
-            if (!ASN1_template_new(pval, it->templates))
+            if (!asn1_template_new(pval, it->templates))
                 goto memerr;
-        } else if (!ASN1_primitive_new(pval, it))
+        } else if (!asn1_primitive_new(pval, it))
             goto memerr;
         break;
 
     case ASN1_ITYPE_MSTRING:
-        if (!ASN1_primitive_new(pval, it))
+        if (!asn1_primitive_new(pval, it))
             goto memerr;
         break;
 
@@ -144,12 +135,10 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
                 return 1;
             }
         }
-        if (!combine) {
-            *pval = OPENSSL_malloc(it->size);
-            if (!*pval)
-                goto memerr;
-            memset(*pval, 0, it->size);
-        }
+        *pval = OPENSSL_malloc(it->size);
+        if (!*pval)
+            goto memerr;
+        memset(*pval, 0, it->size);
         asn1_set_choice_selector(pval, -1, it);
         if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL))
             goto auxerr;
@@ -169,17 +158,15 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
                 return 1;
             }
         }
-        if (!combine) {
-            *pval = OPENSSL_malloc(it->size);
-            if (!*pval)
-                goto memerr;
-            memset(*pval, 0, it->size);
-            asn1_do_lock(pval, 0, it);
-            asn1_enc_init(pval, it);
-        }
+        *pval = OPENSSL_malloc(it->size);
+        if (!*pval)
+            goto memerr;
+        memset(*pval, 0, it->size);
+        asn1_do_lock(pval, 0, it);
+        asn1_enc_init(pval, it);
         for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) {
             pseqval = asn1_get_field_ptr(pval, tt);
-            if (!ASN1_template_new(pseqval, tt))
+            if (!asn1_template_new(pseqval, tt))
                 goto memerr;
         }
         if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL))
@@ -193,7 +180,7 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
     return 1;
 
  memerr:
-    ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ERR_R_MALLOC_FAILURE);
+    ASN1err(ASN1_F_ASN1_ITEM_EX_NEW, ERR_R_MALLOC_FAILURE);
 #ifdef CRYPTO_MDEBUG
     if (it->sname)
         CRYPTO_pop_info();
@@ -201,7 +188,7 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
     return 0;
 
  auxerr:
-    ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ASN1_R_AUX_ERROR);
+    ASN1err(ASN1_F_ASN1_ITEM_EX_NEW, ASN1_R_AUX_ERROR);
     ASN1_item_ex_free(pval, it);
 #ifdef CRYPTO_MDEBUG
     if (it->sname)
@@ -244,7 +231,7 @@ static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
     }
 }
 
-int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
 {
     const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);
     int ret;
@@ -276,7 +263,7 @@ int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
         goto done;
     }
     /* Otherwise pass it back to the item routine */
-    ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE);
+    ret = ASN1_item_ex_new(pval, it);
  done:
 #ifdef CRYPTO_MDEBUG
     if (it->sname)
@@ -299,7 +286,7 @@ static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
  * all the old functions.
  */
 
-int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
+static int asn1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
 {
     ASN1_TYPE *typ;
     ASN1_STRING *str;