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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 "base/mac/scoped_cftyperef.h"
#include "remoting/host/constants_mac.h"
@implementation RemotingUninstallerAppDelegate
NSString* const kLaunchAgentsDir = @"/Library/LaunchAgents";
NSString* const kPrefPaneDir = @"/Library/PreferencePanes";
NSString* const kHelperToolsDir = @"/Library/PrivilegedHelperTools";
NSString* const kApplicationDir = @"/Applications";
NSString* const kPrefPaneName = @kServiceName ".prefPane";
NSString* const kUninstallerName =
@"Chrome Remote Desktop Host Uninstaller.app";
// Keystone
const char kKeystoneAdmin[] = "/Library/Google/GoogleSoftwareUpdate/"
"GoogleSoftwareUpdate.bundle/Contents/MacOS/"
"ksadmin";
const char kKeystonePID[] = "com.google.chrome_remote_desktop";
- (void)dealloc {
[super dealloc];
}
- (void)applicationDidFinishLaunching:(NSNotification*)aNotification {
}
- (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);
}
}
- (void)messageBox:(const char*)message {
base::mac::ScopedCFTypeRef<CFStringRef> message_ref(
CFStringCreateWithCString(NULL, message, (int)strlen(message)));
CFOptionFlags result;
CFUserNotificationDisplayAlert(0, kCFUserNotificationNoteAlertLevel,
NULL, NULL, NULL,
CFSTR("Chrome Remote Desktop Uninstaller"),
message_ref, NULL, NULL, NULL, &result);
}
-(void)runCommand:(NSString*)cmd
withArguments:(NSArray*)args {
NSTask* task;
NSPipe* output = [NSPipe pipe];
NSString* result;
NSLog(@"Executing: %@ %@", cmd, [args componentsJoinedByString:@" "]);
@try {
task = [[[NSTask alloc] init] autorelease];
[task setLaunchPath:cmd];
[task setArguments:args];
[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 {
NSMutableArray* arg_array = [[[NSMutableArray alloc] init] autorelease];
int i = 0;
const char* arg = args[i++];
while (arg != NULL) {
[arg_array addObject:[NSString stringWithUTF8String:arg]];
arg = args[i++];
}
NSLog(@"Executing (as Admin): %s %@", cmd,
[arg_array componentsJoinedByString:@" "]);
FILE* pipe = NULL;
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=%lx", cmd, status);
} else {
[self logOutput:pipe];
}
if (pipe != NULL)
fclose(pipe);
}
- (void)sudoDelete:(const char*)filename
usingAuth:(AuthorizationRef)authRef {
const char* args[] = { "-rf", filename, NULL };
[self sudoCommand:"/bin/rm" withArguments:args usingAuth:authRef];
}
-(void)shutdownService {
NSString* launchCtl = @"/bin/launchctl";
NSArray* argsStop = [NSArray arrayWithObjects:@"stop",
@kServiceName, nil];
[self runCommand:launchCtl withArguments:argsStop];
NSString* plist = [NSString stringWithFormat:@"%@/%@.plist",
kLaunchAgentsDir, @kServiceName];
if ([[NSFileManager defaultManager] fileExistsAtPath:plist]) {
NSArray* argsUnload = [NSArray arrayWithObjects:@"unload",
@"-w", @"-S", @"Aqua", plist, nil];
[self runCommand:launchCtl withArguments:argsUnload];
}
}
-(void)keystoneUnregisterUsingAuth:(AuthorizationRef)authRef {
const char* args[] = { "--delete", "--productid", kKeystonePID, "-S", NULL };
[self sudoCommand:kKeystoneAdmin withArguments:args usingAuth:authRef];
}
-(void)remotingUninstallUsingAuth:(AuthorizationRef)authRef {
NSString* host_enabled = [NSString stringWithFormat:@"%@/%@.me2me_enabled",
kHelperToolsDir, @kServiceName];
[self sudoDelete:[host_enabled UTF8String] usingAuth:authRef];
[self shutdownService];
NSString* plist = [NSString stringWithFormat:@"%@/%@.plist",
kLaunchAgentsDir, @kServiceName];
[self sudoDelete:[plist UTF8String] usingAuth:authRef];
NSString* host_binary = [NSString stringWithFormat:@"%@/%@.me2me_host.app",
kHelperToolsDir, @kServiceName];
[self sudoDelete:[host_binary UTF8String] usingAuth:authRef];
NSString* host_script = [NSString stringWithFormat:@"%@/%@.me2me.sh",
kHelperToolsDir, @kServiceName];
[self sudoDelete:[host_script UTF8String] usingAuth:authRef];
NSString* auth = [NSString stringWithFormat:@"%@/%@.json",
kHelperToolsDir, @kServiceName];
[self sudoDelete:[auth UTF8String] usingAuth:authRef];
NSString* prefpane = [NSString stringWithFormat:@"%@/%@",
kPrefPaneDir, kPrefPaneName];
[self sudoDelete:[prefpane UTF8String] usingAuth:authRef];
NSString* uninstaller = [NSString stringWithFormat:@"%@/%@",
kApplicationDir, kUninstallerName];
[self sudoDelete:[uninstaller UTF8String] usingAuth:authRef];
[self keystoneUnregisterUsingAuth:authRef];
}
- (IBAction)uninstall:(NSButton*)sender {
base::mac::ScopedAuthorizationRef authRef;
NSLog(@"Chrome Remote Desktop uninstall starting.");
@try {
OSStatus status;
status = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment,
kAuthorizationFlagDefaults, &authRef);
if (status != errAuthorizationSuccess) {
[NSException raise:@"AuthorizationCreate Failure"
format:@"Error during AuthorizationCreate status=%ld", status];
}
AuthorizationItem right = {kAuthorizationRightExecute, 0, NULL, 0};
AuthorizationRights rights = {1, &right};
AuthorizationFlags flags = kAuthorizationFlagDefaults |
kAuthorizationFlagInteractionAllowed |
kAuthorizationFlagPreAuthorize |
kAuthorizationFlagExtendRights;
status = AuthorizationCopyRights(authRef, &rights, NULL, flags, NULL);
if (status == errAuthorizationCanceled) {
NSLog(@"Chrome Remote Desktop Host uninstall canceled.");
const char* message = "Chrome Remote Desktop Host uninstall canceled.";
[self messageBox:message];
} else if (status == errAuthorizationSuccess) {
[self remotingUninstallUsingAuth:authRef];
NSLog(@"Chrome Remote Desktop Host uninstall complete.");
const char* message =
"Chrome Remote Desktop Host was successfully uninstalled.";
[self messageBox:message];
} else {
[NSException raise:@"AuthorizationCopyRights Failure"
format:@"Error during AuthorizationCopyRights status=%ld", status];
}
}
@catch (NSException* exception) {
NSLog(@"Exception %@ %@", [exception name], [exception reason]);
const char* message =
"Error! Unable to uninstall Chrome Remote Desktop Host.";
[self messageBox:message];
}
[NSApp terminate:self];
}
- (IBAction)cancel:(id)sender {
[NSApp terminate:self];
}
- (IBAction)handleMenuClose:(NSMenuItem*)sender {
[NSApp terminate:self];
}
@end
int main(int argc, char* argv[])
{
return NSApplicationMain(argc, (const char**)argv);
}
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