Update pairwise consistency checks to use SHA-256.

[openssl.git] / crypto / x509 / x509_att.c

diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c
index caafde658f32e75bf859e6225601aad2de50f92f..98460e8921534150003e4a9d7a1e933a10220cd5 100644 (file)
--- 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);
@@ -149,8 +154,8 @@ err2:
 }
 
 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
-                       ASN1_OBJECT *obj, int type,
-                       unsigned char *bytes, int len)
+                       const ASN1_OBJECT *obj, int type,
+                       const unsigned char *bytes, int len)
 {
        X509_ATTRIBUTE *attr;
        STACK_OF(X509_ATTRIBUTE) *ret;
@@ -163,7 +168,7 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
 
 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
                        int nid, int type,
-                       unsigned char *bytes, int len)
+                       const unsigned char *bytes, int len)
 {
        X509_ATTRIBUTE *attr;
        STACK_OF(X509_ATTRIBUTE) *ret;
@@ -175,8 +180,8 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
 }
 
 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
-                       char *attrname, int type,
-                       unsigned char *bytes, int len)
+                       const char *attrname, int type,
+                       const unsigned char *bytes, int len)
 {
        X509_ATTRIBUTE *attr;
        STACK_OF(X509_ATTRIBUTE) *ret;
@@ -187,8 +192,24 @@ 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, void *data, int len)
+            int atrtype, const void *data, int len)
 {
        ASN1_OBJECT *obj;
        X509_ATTRIBUTE *ret;
@@ -205,7 +226,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
 }
 
 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
-            ASN1_OBJECT *obj, int atrtype, void *data, int len)
+            const ASN1_OBJECT *obj, int atrtype, const void *data, int len)
 {
        X509_ATTRIBUTE *ret;
 
@@ -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:
@@ -234,7 +255,7 @@ err:
 }
 
 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
-               char *atrname, int type, unsigned char *bytes, int len)
+               const char *atrname, int type, const unsigned char *bytes, int len)
        {
        ASN1_OBJECT *obj;
        X509_ATTRIBUTE *nattr;
@@ -252,7 +273,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
        return nattr;
        }
 
-int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, ASN1_OBJECT *obj)
+int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
 {
        if ((attr == NULL) || (obj == NULL))
                return(0);
@@ -261,11 +282,11 @@ int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, ASN1_OBJECT *obj)
        return(1);
 }
 
-int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, void *data, int len)
+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, void *data, int
                        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->set = 1;
-       ASN1_TYPE_set(ttmp, atype, stmp);
        return 1;
        err:
        X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);
@@ -293,7 +326,7 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, void *data, int
 
 int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr)
 {
-       if(attr->set) return sk_ASN1_TYPE_num(attr->value.set);
+       if(!attr->single) return sk_ASN1_TYPE_num(attr->value.set);
        if(attr->value.single) return 1;
        return 0;
 }
@@ -321,6 +354,6 @@ ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
 {
        if (attr == NULL) return(NULL);
        if(idx >= X509_ATTRIBUTE_count(attr)) return NULL;
-       if(attr->set) return sk_ASN1_TYPE_value(attr->value.set, idx);
+       if(!attr->single) return sk_ASN1_TYPE_value(attr->value.set, idx);
        else return attr->value.single;
 }