1/*
2 * Copyright (c) 2013-2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25#include <stdio.h>
26
27#include <utilities/SecXPCError.h>
28#include <utilities/SecCFError.h>
29#include <utilities/SecCFWrappers.h>
30
31CFStringRef sSecXPCErrorDomain = CFSTR("com.apple.security.xpc");
32
33static const char* kDomainKey = "domain";
34static const char* kDescriptionKey = "description";
35static const char* kCodeKey = "code";
36
37CFErrorRef SecCreateCFErrorWithXPCObject(xpc_object_t xpc_error)
38{
39    CFErrorRef result = NULL;
40
41    if (xpc_get_type(xpc_error) == XPC_TYPE_DICTIONARY) {
42        CFStringRef domain = NULL;
43
44        const char * domain_string = xpc_dictionary_get_string(xpc_error, kDomainKey);
45        if (domain_string != NULL) {
46            domain = CFStringCreateWithCString(kCFAllocatorDefault, domain_string, kCFStringEncodingUTF8);
47        } else {
48            domain = sSecXPCErrorDomain;
49            CFRetain(domain);
50        }
51        CFIndex code = (CFIndex) xpc_dictionary_get_int64(xpc_error, kCodeKey);
52
53        const char *description = xpc_dictionary_get_string(xpc_error, kDescriptionKey);
54
55        SecCFCreateErrorWithFormat(code, domain, NULL, &result, NULL, CFSTR("Remote error : %s"), description);
56
57        CFReleaseSafe(domain);
58    } else {
59        SecCFCreateErrorWithFormat(kSecXPCErrorUnexpectedType, sSecXPCErrorDomain, NULL, &result, NULL, CFSTR("Remote error not dictionary!: %@"), xpc_error);
60    }
61    return result;
62}
63
64static void SecXPCDictionarySetCFString(xpc_object_t dict, const char *key, CFStringRef string)
65{
66    CFStringPerformWithCString(string, ^(const char *utf8Str) {
67        xpc_dictionary_set_string(dict, key, utf8Str);
68    });
69}
70
71xpc_object_t SecCreateXPCObjectWithCFError(CFErrorRef error)
72{
73    xpc_object_t error_xpc = xpc_dictionary_create(NULL, NULL, 0);
74
75    SecXPCDictionarySetCFString(error_xpc, kDomainKey, CFErrorGetDomain(error));
76    xpc_dictionary_set_int64(error_xpc, kCodeKey, CFErrorGetCode(error));
77
78    CFStringRef description = CFErrorCopyDescription(error);
79    SecXPCDictionarySetCFString(error_xpc, kDescriptionKey, description);
80    CFReleaseNull(description);
81
82    return error_xpc;
83}
84