/*
* Copyright (C) 2013-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "WebProcessCocoa.h"
#import <CoreFoundation/CoreFoundation.h>
#import <wtf/OSObjectPtr.h>
#import <wtf/RetainPtr.h>
#import <wtf/spi/darwin/XPCSPI.h>
namespace WebKit {
static void XPCServiceEventHandler(xpc_connection_t peer)
{
static xpc_object_t priorityBoostMessage = nullptr;
xpc_connection_set_target_queue(peer, dispatch_get_main_queue());
xpc_connection_set_event_handler(peer, ^(xpc_object_t event) {
xpc_type_t type = xpc_get_type(event);
if (type == XPC_TYPE_ERROR) {
if (event == XPC_ERROR_CONNECTION_INVALID || event == XPC_ERROR_TERMINATION_IMMINENT) {
// FIXME: Handle this case more gracefully.
exit(EXIT_FAILURE);
}
} else {
assert(type == XPC_TYPE_DICTIONARY);
if (!strcmp(xpc_dictionary_get_string(event, "message-name"), "bootstrap")) {
CFBundleRef webKitBundle = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.WebKit"));
CFStringRef entryPointFunctionName = (CFStringRef)CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(), CFSTR("WebKitEntryPoint"));
typedef void (*InitializerFunction)(xpc_connection_t, xpc_object_t, xpc_object_t);
InitializerFunction initializerFunctionPtr = reinterpret_cast<InitializerFunction>(CFBundleGetFunctionPointerForName(webKitBundle, entryPointFunctionName));
if (!initializerFunctionPtr) {
NSLog(@"Unable to find entry point in WebKit.framework with name: %@", (NSString *)entryPointFunctionName);
exit(EXIT_FAILURE);
}
auto reply = adoptOSObject(xpc_dictionary_create_reply(event));
xpc_dictionary_set_string(reply.get(), "message-name", "process-finished-launching");
xpc_connection_send_message(xpc_dictionary_get_remote_connection(event), reply.get());
int fd = xpc_dictionary_dup_fd(event, "stdout");
if (fd != -1)
dup2(fd, STDOUT_FILENO);
fd = xpc_dictionary_dup_fd(event, "stderr");
if (fd != -1)
dup2(fd, STDERR_FILENO);
initializerFunctionPtr(peer, event, priorityBoostMessage);
if (priorityBoostMessage)
xpc_release(priorityBoostMessage);
}
// Leak a boost onto the NetworkProcess.
if (!strcmp(xpc_dictionary_get_string(event, "message-name"), "pre-bootstrap")) {
assert(!priorityBoostMessage);
priorityBoostMessage = xpc_retain(event);
}
}
});
xpc_connection_resume(peer);
}
} // namespace WebKit
using namespace WebKit;
int main(int argc, char** argv)
{
#if defined(__i386__)
// FIXME: This should only be done for the 32-bit plug-in XPC service so we rely on the fact that
// it's the only of the XPC services that are 32-bit. We should come up with a more targeted #if check.
@autoreleasepool {
// We must set the state of AppleMagnifiedMode before NSApplication initialization so that the value will be in
// place before Cocoa startup logic runs and caches the value.
[[NSUserDefaults standardUserDefaults] registerDefaults:@{ @"AppleMagnifiedMode" : @YES }];
}
#endif
auto bootstrap = adoptOSObject(xpc_copy_bootstrap());
#if PLATFORM(IOS)
auto containerEnvironmentVariables = xpc_dictionary_get_value(bootstrap.get(), "ContainerEnvironmentVariables");
xpc_dictionary_apply(containerEnvironmentVariables, ^(const char *key, xpc_object_t value) {
setenv(key, xpc_string_get_string_ptr(value), 1);
return true;
});
#endif
if (bootstrap) {
#if PLATFORM(MAC)
if (const char* webKitBundleVersion = xpc_dictionary_get_string(bootstrap.get(), "WebKitBundleVersion")) {
CFBundleRef webKitBundle = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.WebKit"));
NSString *expectedBundleVersion = (NSString *)CFBundleGetValueForInfoDictionaryKey(webKitBundle, kCFBundleVersionKey);
if (strcmp(webKitBundleVersion, expectedBundleVersion.UTF8String)) {
_WKSetCrashReportApplicationSpecificInformation([NSString stringWithFormat:@"WebKit framework version mismatch: '%s'", webKitBundleVersion]);
__builtin_trap();
}
}
#endif
if (xpc_object_t languages = xpc_dictionary_get_value(bootstrap.get(), "OverrideLanguages")) {
@autoreleasepool {
NSDictionary *existingArguments = [[NSUserDefaults standardUserDefaults] volatileDomainForName:NSArgumentDomain];
NSMutableDictionary *newArguments = [existingArguments mutableCopy];
RetainPtr<NSMutableArray *> newLanguages = adoptNS([[NSMutableArray alloc] init]);
xpc_array_apply(languages, ^(size_t index, xpc_object_t value) {
[newLanguages addObject:[NSString stringWithCString:xpc_string_get_string_ptr(value) encoding:NSUTF8StringEncoding]];
return true;
});
[newArguments setValue:newLanguages.get() forKey:@"AppleLanguages"];
[[NSUserDefaults standardUserDefaults] setVolatileDomain:newArguments forName:NSArgumentDomain];
}
}
}
#if PLATFORM(MAC)
// Don't allow Apple Events in WebKit processes. This can be removed when <rdar://problem/14012823> is fixed.
setenv("__APPLEEVENTSSERVICENAME", "", 1);
#endif
xpc_main(XPCServiceEventHandler);
return 0;
}