Security-55471.tar.gz

[apple/security.git] / utilities / src / SecXPCError.c

diff --git a/utilities/src/SecXPCError.c b/utilities/src/SecXPCError.c
new file mode 100644 (file)
index 0000000..a420061
--- /dev/null
+++ b/utilities/src/SecXPCError.c
@@ -0,0 +1,67 @@
+//
+//  SecCFXPCWrappers.c
+//  utilities
+//
+//  Created by John Hurley on 5/6/13.
+//  Copyright (c) 2013 Apple Inc. All rights reserved.
+//
+
+#include <stdio.h>
+
+#include <utilities/SecXPCError.h>
+#include <utilities/SecCFError.h>
+#include <utilities/SecCFWrappers.h>
+
+CFStringRef sSecXPCErrorDomain = CFSTR("com.apple.security.xpc");
+
+static const char* kDomainKey = "domain";
+static const char* kDescriptionKey = "description";
+static const char* kCodeKey = "code";
+
+CFErrorRef SecCreateCFErrorWithXPCObject(xpc_object_t xpc_error)
+{
+    CFErrorRef result = NULL;
+
+    if (xpc_get_type(xpc_error) == XPC_TYPE_DICTIONARY) {
+        CFStringRef domain = NULL;
+
+        const char * domain_string = xpc_dictionary_get_string(xpc_error, kDomainKey);
+        if (domain_string != NULL) {
+            domain = CFStringCreateWithCString(kCFAllocatorDefault, domain_string, kCFStringEncodingUTF8);
+        } else {
+            domain = sSecXPCErrorDomain;
+            CFRetain(domain);
+        }
+        CFIndex code = (CFIndex) xpc_dictionary_get_int64(xpc_error, kCodeKey);
+
+        const char *description = xpc_dictionary_get_string(xpc_error, kDescriptionKey);
+
+        SecCFCreateErrorWithFormat(code, domain, NULL, &result, NULL, CFSTR("Remote error : %s"), description);
+
+        CFReleaseSafe(domain);
+    } else {
+        SecCFCreateErrorWithFormat(kSecXPCErrorUnexpectedType, sSecXPCErrorDomain, NULL, &result, NULL, CFSTR("Remote error not dictionary!: %@"), xpc_error);
+    }
+    return result;
+}
+
+static void SecXPCDictionarySetCFString(xpc_object_t dict, const char *key, CFStringRef string)
+{
+    CFStringPerformWithCString(string, ^(const char *utf8Str) {
+        xpc_dictionary_set_string(dict, key, utf8Str);
+    });
+}
+
+xpc_object_t SecCreateXPCObjectWithCFError(CFErrorRef error)
+{
+    xpc_object_t error_xpc = xpc_dictionary_create(NULL, NULL, 0);
+
+    SecXPCDictionarySetCFString(error_xpc, kDomainKey, CFErrorGetDomain(error));
+    xpc_dictionary_set_int64(error_xpc, kCodeKey, CFErrorGetCode(error));
+
+    CFStringRef description = CFErrorCopyDescription(error);
+    SecXPCDictionarySetCFString(error_xpc, kDescriptionKey, description);
+    CFReleaseNull(description);
+
+    return error_xpc;
+}