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[apple/security.git] / Security / utilities / src / der_plist.c
diff --git a/Security/utilities/src/der_plist.c b/Security/utilities/src/der_plist.c
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+/*
+ * Copyright (c) 2012-2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#include <stdio.h>
+
+#include "utilities/SecCFRelease.h"
+#include "utilities/der_plist.h"
+#include "utilities/der_plist_internal.h"
+
+#include <corecrypto/ccder.h>
+#include <CoreFoundation/CoreFoundation.h>
+
+//
+// der..CFPropertyList
+//
+// We support:
+//
+//   CFBoolean
+//   CFData
+//   CFDate
+//   CFString
+//   CFNumber
+//   CFNull
+//
+//   CFArray
+//   CFDictionary
+//
+//
+
+const uint8_t* der_decode_plist(CFAllocatorRef allocator, CFOptionFlags mutability,
+                                CFPropertyListRef* pl, CFErrorRef *error,
+                                const uint8_t* der, const uint8_t *der_end)
+{    if (NULL == der)
+    return NULL;
+
+    ccder_tag tag;
+    if (NULL == ccder_decode_tag(&tag, der, der_end))
+        return NULL;
+
+    switch (tag) {
+               case CCDER_NULL:
+                       return der_decode_null(allocator, mutability, (CFNullRef*)pl, error, der, der_end);
+        case CCDER_BOOLEAN:
+            return der_decode_boolean(allocator, mutability, (CFBooleanRef*)pl, error, der, der_end);
+        case CCDER_OCTET_STRING:
+            return der_decode_data(allocator, mutability, (CFDataRef*)pl, error, der, der_end);
+        case CCDER_GENERALIZED_TIME:
+            return der_decode_date(allocator, mutability, (CFDateRef*)pl, error, der, der_end);
+        case CCDER_CONSTRUCTED_SEQUENCE:
+            return der_decode_array(allocator, mutability, (CFArrayRef*)pl, error, der, der_end);
+        case CCDER_UTF8_STRING:
+            return der_decode_string(allocator, mutability, (CFStringRef*)pl, error, der, der_end);
+        case CCDER_INTEGER:
+            return der_decode_number(allocator, mutability, (CFNumberRef*)pl, error, der, der_end);
+        case CCDER_CONSTRUCTED_SET:
+            return der_decode_dictionary(allocator, mutability, (CFDictionaryRef*)pl, error, der, der_end);
+        default:
+            SecCFDERCreateError(kSecDERErrorUnsupportedDERType, CFSTR("Unsupported DER Type"), NULL, error);
+            return NULL;
+    }
+}
+
+
+size_t der_sizeof_plist(CFPropertyListRef pl, CFErrorRef *error)
+{
+    if (!pl) {
+        SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Null CFType"), NULL, error);
+        return 0;
+    }
+
+    CFTypeID  dataType = CFGetTypeID(pl);
+
+    if (CFArrayGetTypeID() == dataType)
+        return der_sizeof_array((CFArrayRef) pl, error);
+    else if (CFBooleanGetTypeID() == dataType)
+        return der_sizeof_boolean((CFBooleanRef) pl, error);
+    else if (CFDataGetTypeID() == dataType)
+        return der_sizeof_data((CFDataRef) pl, error);
+    else if (CFDateGetTypeID() == dataType)
+        return der_sizeof_date((CFDateRef) pl, error);
+    else if (CFDictionaryGetTypeID() == dataType)
+        return der_sizeof_dictionary((CFDictionaryRef) pl, error);
+    else if (CFStringGetTypeID() == dataType)
+        return der_sizeof_string((CFStringRef) pl, error);
+    else if (CFNumberGetTypeID() == dataType)
+        return der_sizeof_number((CFNumberRef) pl, error);
+       if (CFNullGetTypeID() == dataType)
+               return der_sizeof_null((CFNullRef) pl, error);
+       else {
+        SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Unsupported CFType"), NULL, error);
+        return 0;
+    }
+}
+
+
+uint8_t* der_encode_plist(CFPropertyListRef pl, CFErrorRef *error,
+                          const uint8_t *der, uint8_t *der_end)
+{
+    if (!pl) {
+        SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Null CFType"), NULL, error);
+        return NULL;
+    }
+
+    CFTypeID  dataType = CFGetTypeID(pl);
+
+    if (CFArrayGetTypeID() == dataType)
+        return der_encode_array((CFArrayRef) pl, error, der, der_end);
+    else if (CFBooleanGetTypeID() == dataType)
+        return der_encode_boolean((CFBooleanRef) pl, error, der, der_end);
+    else if (CFDataGetTypeID() == dataType)
+        return der_encode_data((CFDataRef) pl, error, der, der_end);
+    else if (CFDateGetTypeID() == dataType)
+        return der_encode_date((CFDateRef) pl, error, der, der_end);
+    else if (CFDictionaryGetTypeID() == dataType)
+        return der_encode_dictionary((CFDictionaryRef) pl, error, der, der_end);
+    else if (CFStringGetTypeID() == dataType)
+        return der_encode_string((CFStringRef) pl, error, der, der_end);
+    else if (CFNumberGetTypeID() == dataType)
+        return der_encode_number((CFNumberRef) pl, error, der, der_end);
+       else if (CFNullGetTypeID() == dataType)
+               return der_encode_null((CFNullRef) pl, error, der, der_end);
+    else {
+        SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Unsupported CFType"), NULL, error);
+        return NULL;
+    }
+}