+++ /dev/null
-/*
- * Copyright (c) 2011 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 "xpcengine.h"
-#include <xpc/connection.h>
-#include <syslog.h>
-#include <CoreFoundation/CoreFoundation.h>
-#include <security_utilities/cfutilities.h>
-
-
-namespace Security {
-namespace CodeSigning {
-
-static const char serviceName[] = "com.apple.security.syspolicy";
-
-
-static dispatch_once_t dispatchInit; // one-time init marker
-static xpc_connection_t service; // connection to spd
-static dispatch_queue_t queue; // dispatch queue for service
-
-static void init()
-{
- dispatch_once(&dispatchInit, ^void(void) {
- const char *name = serviceName;
- if (const char *env = getenv("SYSPOLICYNAME"))
- name = env;
- queue = dispatch_queue_create("spd-client", 0);
- service = xpc_connection_create_mach_service(name, queue, XPC_CONNECTION_MACH_SERVICE_PRIVILEGED);
- xpc_connection_set_event_handler(service, ^(xpc_object_t ev) {
- });
- xpc_connection_resume(service);
- });
-}
-
-
-//
-// Your standard XPC client-side machinery
-//
-class Message {
-public:
- xpc_object_t obj;
-
- Message(const char *function)
- {
- init();
- obj = xpc_dictionary_create(NULL, NULL, 0);
- xpc_dictionary_set_string(obj, "function", function);
- }
- ~Message()
- {
- if (obj)
- xpc_release(obj);
- }
- operator xpc_object_t () { return obj; }
-
- void send()
- {
- xpc_object_t reply = xpc_connection_send_message_with_reply_sync(service, obj);
- xpc_release(obj);
- obj = NULL;
- xpc_type_t type = xpc_get_type(reply);
- if (type == XPC_TYPE_DICTIONARY) {
- obj = reply;
- if (int64_t error = xpc_dictionary_get_int64(obj, "error"))
- MacOSError::throwMe((int)error);
- } else if (type == XPC_TYPE_ERROR) {
- const char *s = xpc_copy_description(reply);
- printf("Error returned: %s\n", s);
- free((char*)s);
- MacOSError::throwMe(errSecCSInternalError);
- } else {
- const char *s = xpc_copy_description(reply);
- printf("Unexpected type of return object: %s\n", s);
- free((char*)s);
- }
- }
-};
-
-
-
-static void copyCFDictionary(const void *key, const void *value, void *ctx)
-{
- CFMutableDictionaryRef target = CFMutableDictionaryRef(ctx);
- if (CFGetTypeID(value) == CFURLGetTypeID()) {
- CFRef<CFStringRef> path = CFURLCopyFileSystemPath(CFURLRef(value), kCFURLPOSIXPathStyle);
- CFDictionaryAddValue(target, key, path);
- } else {
- CFDictionaryAddValue(target, key, value);
- }
-}
-
-void xpcEngineAssess(CFURLRef path, SecAssessmentFlags flags, CFDictionaryRef context, CFMutableDictionaryRef result)
-{
- Message msg("assess");
- xpc_dictionary_set_string(msg, "path", cfString(path).c_str());
- xpc_dictionary_set_int64(msg, "flags", flags);
- CFRef<CFMutableDictionaryRef> ctx = makeCFMutableDictionary();
- if (context)
- CFDictionaryApplyFunction(context, copyCFDictionary, ctx);
- CFRef<CFDataRef> contextData = makeCFData(CFDictionaryRef(ctx));
- xpc_dictionary_set_data(msg, "context", CFDataGetBytePtr(contextData), CFDataGetLength(contextData));
-
- msg.send();
-
- if (int64_t error = xpc_dictionary_get_int64(msg, "error"))
- MacOSError::throwMe((int)error);
-
- size_t resultLength;
- const void *resultData = xpc_dictionary_get_data(msg, "result", &resultLength);
- CFRef<CFDictionaryRef> resultDict = makeCFDictionaryFrom(resultData, resultLength);
- CFDictionaryApplyFunction(resultDict, copyCFDictionary, result);
- CFDictionaryAddValue(result, CFSTR("assessment:remote"), kCFBooleanTrue);
-}
-
-
-CFDictionaryRef xpcEngineUpdate(CFTypeRef target, SecAssessmentFlags flags, CFDictionaryRef context)
-{
- Message msg("update");
- // target can be NULL, a CFURLRef, a SecRequirementRef, or a CFNumberRef
- if (target) {
- if (CFGetTypeID(target) == CFNumberGetTypeID())
- xpc_dictionary_set_uint64(msg, "rule", cfNumber<int64_t>(CFNumberRef(target)));
- else if (CFGetTypeID(target) == CFURLGetTypeID())
- xpc_dictionary_set_string(msg, "url", cfString(CFURLRef(target)).c_str());
- else if (CFGetTypeID(target) == SecRequirementGetTypeID()) {
- CFRef<CFDataRef> data;
- MacOSError::check(SecRequirementCopyData(SecRequirementRef(target), kSecCSDefaultFlags, &data.aref()));
- xpc_dictionary_set_data(msg, "requirement", CFDataGetBytePtr(data), CFDataGetLength(data));
- } else
- MacOSError::throwMe(errSecCSInvalidObjectRef);
- }
- xpc_dictionary_set_int64(msg, "flags", flags);
- CFRef<CFMutableDictionaryRef> ctx = makeCFMutableDictionary();
- if (context)
- CFDictionaryApplyFunction(context, copyCFDictionary, ctx);
- AuthorizationRef localAuthorization = NULL;
- if (CFDictionaryGetValue(ctx, kSecAssessmentUpdateKeyAuthorization) == NULL) { // no caller-provided authorization
- MacOSError::check(AuthorizationCreate(NULL, NULL, kAuthorizationFlagDefaults, &localAuthorization));
- AuthorizationExternalForm extForm;
- MacOSError::check(AuthorizationMakeExternalForm(localAuthorization, &extForm));
- CFDictionaryAddValue(ctx, kSecAssessmentUpdateKeyAuthorization, CFTempData(&extForm, sizeof(extForm)));
- }
- CFRef<CFDataRef> contextData = makeCFData(CFDictionaryRef(ctx));
- xpc_dictionary_set_data(msg, "context", CFDataGetBytePtr(contextData), CFDataGetLength(contextData));
-
- msg.send();
-
- if (localAuthorization)
- AuthorizationFree(localAuthorization, kAuthorizationFlagDefaults);
-
- if (int64_t error = xpc_dictionary_get_int64(msg, "error"))
- MacOSError::throwMe((int)error);
-
- size_t resultLength;
- const void *resultData = xpc_dictionary_get_data(msg, "result", &resultLength);
- return makeCFDictionaryFrom(resultData, resultLength);
-}
-
-
-bool xpcEngineControl(const char *control)
-{
- Message msg("control");
- xpc_dictionary_set_string(msg, "control", control);
- msg.send();
- return true;
-}
-
-
-void xpcEngineRecord(CFDictionaryRef info)
-{
- Message msg("record");
- CFRef<CFDataRef> infoData = makeCFData(CFDictionaryRef(info));
- xpc_dictionary_set_data(msg, "info", CFDataGetBytePtr(infoData), CFDataGetLength(infoData));
-
- msg.send();
-}
-
-
-} // end namespace CodeSigning
-} // end namespace Security