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// Copyright 2014 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/mac/launchd.h"
#import <Foundation/Foundation.h>
#include "base/mac/foundation_util.h"
#include "base/mac/scoped_launch_data.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/strings/sys_string_conversions.h"
#include "util/misc/implicit_cast.h"
namespace crashpad {
launch_data_t CFPropertyToLaunchData(CFPropertyListRef property_cf) {
@autoreleasepool {
// This function mixes Foundation and Core Foundation access to property
// list elements according to which is more convenient and correct for any
// specific task.
launch_data_t data_launch = nullptr;
CFTypeID type_id_cf = CFGetTypeID(property_cf);
if (type_id_cf == CFDictionaryGetTypeID()) {
NSDictionary* dictionary_ns = base::mac::CFToNSCast(
base::mac::CFCastStrict<CFDictionaryRef>(property_cf));
base::mac::ScopedLaunchData dictionary_launch(
LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
for (NSString* key in dictionary_ns) {
if (![key isKindOfClass:[NSString class]]) {
return nullptr;
}
CFPropertyListRef value_cf =
implicit_cast<CFPropertyListRef>([dictionary_ns objectForKey:key]);
launch_data_t value_launch = CFPropertyToLaunchData(value_cf);
if (!value_launch) {
return nullptr;
}
LaunchDataDictInsert(
dictionary_launch.get(), value_launch, [key UTF8String]);
}
data_launch = dictionary_launch.release();
} else if (type_id_cf == CFArrayGetTypeID()) {
NSArray* array_ns = base::mac::CFToNSCast(
base::mac::CFCastStrict<CFArrayRef>(property_cf));
base::mac::ScopedLaunchData array_launch(
LaunchDataAlloc(LAUNCH_DATA_ARRAY));
size_t index = 0;
for (id element_ns in array_ns) {
CFPropertyListRef element_cf =
implicit_cast<CFPropertyListRef>(element_ns);
launch_data_t element_launch = CFPropertyToLaunchData(element_cf);
if (!element_launch) {
return nullptr;
}
LaunchDataArraySetIndex(array_launch.get(), element_launch, index++);
}
data_launch = array_launch.release();
} else if (type_id_cf == CFNumberGetTypeID()) {
CFNumberRef number_cf = base::mac::CFCastStrict<CFNumberRef>(property_cf);
NSNumber* number_ns = base::mac::CFToNSCast(number_cf);
switch (CFNumberGetType(number_cf)) {
case kCFNumberSInt8Type:
case kCFNumberSInt16Type:
case kCFNumberSInt32Type:
case kCFNumberSInt64Type:
case kCFNumberCharType:
case kCFNumberShortType:
case kCFNumberIntType:
case kCFNumberLongType:
case kCFNumberLongLongType:
case kCFNumberCFIndexType:
case kCFNumberNSIntegerType: {
data_launch = LaunchDataNewInteger([number_ns longLongValue]);
break;
}
case kCFNumberFloat32Type:
case kCFNumberFloat64Type:
case kCFNumberFloatType:
case kCFNumberDoubleType: {
data_launch = LaunchDataNewReal([number_ns doubleValue]);
break;
}
default: { return nullptr; }
}
} else if (type_id_cf == CFBooleanGetTypeID()) {
CFBooleanRef boolean_cf =
base::mac::CFCastStrict<CFBooleanRef>(property_cf);
data_launch = LaunchDataNewBool(CFBooleanGetValue(boolean_cf));
} else if (type_id_cf == CFStringGetTypeID()) {
NSString* string_ns = base::mac::CFToNSCast(
base::mac::CFCastStrict<CFStringRef>(property_cf));
// -fileSystemRepresentation might be more correct than -UTF8String,
// because these strings can hold paths. The analogous function in
// launchctl, CF2launch_data() (10.9.4
// launchd-842.92.1/support/launchctl.c), uses UTF-8 instead of filesystem
// encoding, so do the same here. Note that there’s another occurrence of
// -UTF8String above, used for dictionary keys.
data_launch = LaunchDataNewString([string_ns UTF8String]);
} else if (type_id_cf == CFDataGetTypeID()) {
NSData* data_ns = base::mac::CFToNSCast(
base::mac::CFCastStrict<CFDataRef>(property_cf));
data_launch = LaunchDataNewOpaque([data_ns bytes], [data_ns length]);
} else {
base::ScopedCFTypeRef<CFStringRef> type_name_cf(
CFCopyTypeIDDescription(type_id_cf));
DLOG(ERROR) << "unable to convert CFTypeID " << type_id_cf << " ("
<< base::SysCFStringRefToUTF8(type_name_cf) << ")";
}
return data_launch;
}
}
} // namespace crashpad