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path: root/crypto/x509/x509_att.c
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Diffstat (limited to 'crypto/x509/x509_att.c')
-rw-r--r--crypto/x509/x509_att.c55
1 files changed, 44 insertions, 11 deletions
diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c
index 0bae3d32a1..98460e8921 100644
--- a/crypto/x509/x509_att.c
+++ b/crypto/x509/x509_att.c
@@ -67,8 +67,7 @@
int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
{
- if (!x) return 0;
- return(sk_X509_ATTRIBUTE_num(x));
+ return sk_X509_ATTRIBUTE_num(x);
}
int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
@@ -125,7 +124,13 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
X509_ATTRIBUTE *new_attr=NULL;
STACK_OF(X509_ATTRIBUTE) *sk=NULL;
- if ((x != NULL) && (*x == NULL))
+ if (x == NULL)
+ {
+ X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER);
+ goto err2;
+ }
+
+ if (*x == NULL)
{
if ((sk=sk_X509_ATTRIBUTE_new_null()) == NULL)
goto err;
@@ -137,11 +142,11 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
goto err2;
if (!sk_X509_ATTRIBUTE_push(sk,new_attr))
goto err;
- if ((x != NULL) && (*x == NULL))
+ if (*x == NULL)
*x=sk;
return(sk);
err:
- X509err(X509_F_X509_ADD_ATTR,ERR_R_MALLOC_FAILURE);
+ X509err(X509_F_X509AT_ADD1_ATTR,ERR_R_MALLOC_FAILURE);
err2:
if (new_attr != NULL) X509_ATTRIBUTE_free(new_attr);
if (sk != NULL) sk_X509_ATTRIBUTE_free(sk);
@@ -187,6 +192,22 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
return ret;
}
+void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
+ ASN1_OBJECT *obj, int lastpos, int type)
+{
+ int i;
+ X509_ATTRIBUTE *at;
+ i = X509at_get_attr_by_OBJ(x, obj, lastpos);
+ if (i == -1)
+ return NULL;
+ if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
+ return NULL;
+ at = X509at_get_attr(x, i);
+ if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
+ return NULL;
+ return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
+}
+
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
int atrtype, const void *data, int len)
{
@@ -224,7 +245,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
goto err;
if (!X509_ATTRIBUTE_set1_data(ret,atrtype,data,len))
goto err;
-
+
if ((attr != NULL) && (*attr == NULL)) *attr=ret;
return(ret);
err:
@@ -264,8 +285,8 @@ int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *data, int len)
{
ASN1_TYPE *ttmp;
- ASN1_STRING *stmp;
- int atype;
+ ASN1_STRING *stmp = NULL;
+ int atype = 0;
if (!attr) return 0;
if(attrtype & MBSTRING_FLAG) {
stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
@@ -275,16 +296,28 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *dat
return 0;
}
atype = stmp->type;
- } else {
+ } else if (len != -1){
if(!(stmp = ASN1_STRING_type_new(attrtype))) goto err;
if(!ASN1_STRING_set(stmp, data, len)) goto err;
atype = attrtype;
}
if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
+ attr->single = 0;
+ /* This is a bit naughty because the attribute should really have
+ * at least one value but some types use and zero length SET and
+ * require this.
+ */
+ if (attrtype == 0)
+ return 1;
if(!(ttmp = ASN1_TYPE_new())) goto err;
+ if ((len == -1) && !(attrtype & MBSTRING_FLAG))
+ {
+ if (!ASN1_TYPE_set1(ttmp, attrtype, data))
+ goto err;
+ }
+ else
+ ASN1_TYPE_set(ttmp, atype, stmp);
if(!sk_ASN1_TYPE_push(attr->value.set, ttmp)) goto err;
- attr->single = 0;
- ASN1_TYPE_set(ttmp, atype, stmp);
return 1;
err:
X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);