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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/installer/mac/uninstaller/remoting_uninstaller.h"
#import <Cocoa/Cocoa.h>
#include "base/mac/scoped_authorizationref.h"
#include "remoting/host/constants_mac.h"
void logOutput(FILE* pipe) {
char readBuffer[128];
for (;;) {
long bytesRead = read(fileno(pipe), readBuffer, sizeof(readBuffer) - 1);
if (bytesRead < 1)
break;
readBuffer[bytesRead] = '\0';
NSLog(@"%s", readBuffer);
}
}
NSArray* convertToNSArray(const char** array) {
NSMutableArray* ns_array = [[[NSMutableArray alloc] init] autorelease];
int i = 0;
const char* element = array[i++];
while (element != nullptr) {
[ns_array addObject:[NSString stringWithUTF8String:element]];
element = array[i++];
}
return ns_array;
}
@implementation RemotingUninstaller
// Keystone
const char kKeystoneAdmin[] = "/Library/Google/GoogleSoftwareUpdate/"
"GoogleSoftwareUpdate.bundle/Contents/MacOS/"
"ksadmin";
const char kKeystonePID[] = "com.google.chrome_remote_desktop";
- (void)runCommand:(const char*)cmd
withArguments:(const char**)args {
NSTask* task;
NSPipe* output = [NSPipe pipe];
NSString* result;
NSArray* arg_array = convertToNSArray(args);
NSLog(@"Executing: %s %@", cmd, [arg_array componentsJoinedByString:@" "]);
@try {
task = [[[NSTask alloc] init] autorelease];
[task setLaunchPath:[NSString stringWithUTF8String:cmd]];
[task setArguments:arg_array];
[task setStandardInput:[NSPipe pipe]];
[task setStandardOutput:output];
[task launch];
NSData* data = [[output fileHandleForReading] readDataToEndOfFile];
[task waitUntilExit];
if ([task terminationStatus] != 0) {
// TODO(garykac): When we switch to sdk_10.6, show the
// [task terminationReason] as well.
NSLog(@"Command terminated status=%d", [task terminationStatus]);
}
result = [[[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding]
autorelease];
if ([result length] != 0) {
NSLog(@"Result: %@", result);
}
}
@catch (NSException* exception) {
NSLog(@"Exception %@ %@", [exception name], [exception reason]);
}
}
- (void)sudoCommand:(const char*)cmd
withArguments:(const char**)args
usingAuth:(AuthorizationRef)authRef {
NSArray* arg_array = convertToNSArray(args);
NSLog(@"Executing (as Admin): %s %@", cmd,
[arg_array componentsJoinedByString:@" "]);
FILE* pipe = nullptr;
OSStatus status;
status = AuthorizationExecuteWithPrivileges(authRef, cmd,
kAuthorizationFlagDefaults,
(char* const*)args,
&pipe);
if (status == errAuthorizationToolExecuteFailure) {
NSLog(@"Error errAuthorizationToolExecuteFailure");
} else if (status != errAuthorizationSuccess) {
NSLog(@"Error while executing %s. Status=%d",
cmd, static_cast<int>(status));
} else {
logOutput(pipe);
}
if (pipe != nullptr)
fclose(pipe);
}
- (void)sudoDelete:(const char*)filename
usingAuth:(AuthorizationRef)authRef {
const char* args[] = { "-rf", filename, nullptr };
[self sudoCommand:"/bin/rm" withArguments:args usingAuth:authRef];
}
- (void)shutdownService {
const char* launchCtl = "/bin/launchctl";
const char* argsStop[] = { "stop", remoting::kServiceName, nullptr };
[self runCommand:launchCtl withArguments:argsStop];
if ([[NSFileManager defaultManager] fileExistsAtPath:
[NSString stringWithUTF8String:remoting::kServicePlistPath]]) {
const char* argsUnload[] = { "unload", "-w", "-S", "Aqua",
remoting::kServicePlistPath, nullptr };
[self runCommand:launchCtl withArguments:argsUnload];
}
}
- (void)keystoneUnregisterUsingAuth:(AuthorizationRef)authRef {
const char* args[] = {"--delete", "--productid", kKeystonePID, "-S", nullptr};
[self sudoCommand:kKeystoneAdmin withArguments:args usingAuth:authRef];
}
- (void)remotingUninstallUsingAuth:(AuthorizationRef)authRef {
// Remove the enabled file before shutting down the service or else it might
// restart itself.
[self sudoDelete:remoting::kHostEnabledPath usingAuth:authRef];
[self shutdownService];
[self sudoDelete:remoting::kServicePlistPath usingAuth:authRef];
[self sudoDelete:remoting::kHostBinaryPath usingAuth:authRef];
[self sudoDelete:remoting::kHostHelperScriptPath usingAuth:authRef];
[self sudoDelete:remoting::kHostConfigFilePath usingAuth:authRef];
[self sudoDelete:remoting::kPrefPaneFilePath usingAuth:authRef];
[self sudoDelete:remoting::kLogFilePath usingAuth:authRef];
[self sudoDelete:remoting::kLogFileConfigPath usingAuth:authRef];
[self sudoDelete:remoting::kNativeMessagingManifestPath usingAuth:authRef];
[self sudoDelete:remoting::kBrandedUninstallerPath usingAuth:authRef];
[self sudoDelete:remoting::kUnbrandedUninstallerPath usingAuth:authRef];
[self keystoneUnregisterUsingAuth:authRef];
}
- (OSStatus)remotingUninstall {
base::mac::ScopedAuthorizationRef authRef;
OSStatus status =
AuthorizationCreate(nullptr, kAuthorizationEmptyEnvironment,
kAuthorizationFlagDefaults, authRef.get_pointer());
if (status != errAuthorizationSuccess) {
[NSException raise:@"AuthorizationCreate Failure"
format:@"Error during AuthorizationCreate status=%d",
static_cast<int>(status)];
}
AuthorizationItem right = {kAuthorizationRightExecute, 0, nullptr, 0};
AuthorizationRights rights = {1, &right};
AuthorizationFlags flags = kAuthorizationFlagDefaults |
kAuthorizationFlagInteractionAllowed |
kAuthorizationFlagPreAuthorize |
kAuthorizationFlagExtendRights;
status = AuthorizationCopyRights(authRef, &rights, nullptr, flags, nullptr);
if (status == errAuthorizationSuccess) {
RemotingUninstaller* uninstaller =
[[[RemotingUninstaller alloc] init] autorelease];
[uninstaller remotingUninstallUsingAuth:authRef];
}
return status;
}
@end
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