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VNCController.m
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/*
* VNCController.m
* OSXvnc
*
* Created by Jonathan Gillaspie on Fri Aug 02 2002. [email protected]
* Copyright (c) 2002-2005 Redstone Software Inc. All rights reserved.
*
* All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#import "VNCController.h"
#import "OSXvnc-server/vncauth.h"
#import <signal.h>
#import <unistd.h>
#import <sys/socket.h>
#import <netinet/in.h>
#import <fcntl.h>
#import <sys/types.h>
#import <ifaddrs.h>
#import <netdb.h>
#define PasswordProxy @"********"
#define LocalizedString(X) [[NSBundle mainBundle] localizedStringForKey:(X) value:nil table:nil]
// So we can still build on Panther and below
#ifndef NSAppKitVersionNumber10_3
#define NSAppKitVersionNumber10_3 743
#endif
#ifndef NSAppKitVersionNumber10_4
#define NSAppKitVersionNumber10_4 824
#endif
@interface NSString (VNCExtensions)
- (NSString *) string;
@end
@implementation NSString (VNCExtensions)
- (NSString *) string {
return self;
}
@end
@interface NSTextView (VNCExtensions)
- (void) setStringValue: (NSString *) newString;
@end
@implementation NSTextView (VNCExtensions)
- (void) setStringValue: (NSString *) newString {
[self setString:newString];
}
@end
@interface NSFileManager (VNCExtensions)
- (BOOL) directoryExistsAtPath: (NSString *) path;
- (BOOL) createFullDirectoryAtPath:(NSString *)path attributes:(NSDictionary *)attributes;
- (BOOL) canWriteToFile: (NSString *) path;
@end
@implementation NSFileManager (VNCExtensions)
- (BOOL) directoryExistsAtPath: (NSString *) path {
BOOL isDirectory = NO;
return ([self fileExistsAtPath:path isDirectory: &isDirectory] && isDirectory);
}
- (BOOL) createFullDirectoryAtPath:(NSString *)path attributes:(NSDictionary *)attributes {
return [self createDirectoryAtPath:path withIntermediateDirectories:YES attributes:attributes error:NULL];
}
- (BOOL) canWriteToFile: (NSString *) path {
if ([[NSFileManager defaultManager] fileExistsAtPath:path])
return [[NSFileManager defaultManager] isWritableFileAtPath:path];
else {
[[NSFileManager defaultManager] createFullDirectoryAtPath:[path stringByDeletingLastPathComponent] attributes:nil];
return [[NSFileManager defaultManager] isWritableFileAtPath:[path stringByDeletingLastPathComponent]];
}
}
@end
@implementation VNCController
static int shutdownSignal = 0;
static NSColor *successColor;
static NSColor *failureColor;
static void terminateOnSignal(int signal) {
shutdownSignal = signal;
NSLog(@"Trapped Signal %d -- Terminating", shutdownSignal);
[NSApp terminate:NSApp];
}
NSMutableString *hostNameString() {
char hostName[256];
gethostname(hostName, 256);
NSMutableString *hostNameString = [NSMutableString stringWithUTF8String:hostName];
if ([hostNameString hasSuffix:@".local"])
[hostNameString deleteCharactersInRange:NSMakeRange([hostNameString length]-6,6)];
return hostNameString;
}
NSMutableArray *localIPAddresses() {
NSMutableArray *returnArray = [NSMutableArray array];
struct ifaddrs *ifa = NULL, *ifp = NULL;
if (getifaddrs (&ifp) < 0) {
return nil;
}
for (ifa = ifp; ifa; ifa = ifa->ifa_next) {
char ipString[256];
socklen_t salen;
if (ifa->ifa_addr->sa_family == AF_INET)
salen = sizeof (struct sockaddr_in);
else if (ifa->ifa_addr->sa_family == AF_INET6)
salen = sizeof (struct sockaddr_in6);
else
continue;
if (getnameinfo (ifa->ifa_addr, salen, ipString, sizeof (ipString), NULL, 0, NI_NUMERICHOST) == 0) {
[returnArray addObject:[NSString stringWithUTF8String:ipString]];
}
}
freeifaddrs (ifp);
return returnArray;
}
- init {
[super init];
// Transform the GUI into a "ForegroundApp" with Dock Icon and Menu
// This is so the server can run without a UI
// 10.3+ only
// ProcessSerialNumber psn = { 0, kCurrentProcess };
// OSStatus returnCode = TransformProcessType(& psn, kProcessTransformToForegroundApplication);
// if( returnCode != 0) {
// NSLog(@"Could not transform process type. Error %d", returnCode);
// }
//
// if (![[NSUserDefaults standardUserDefaults] boolForKey:@"autolaunch"])
// SetFrontProcess(& psn );
hostName = [hostNameString() retain];
successColor = [[NSColor colorWithDeviceRed:0.0 green:0.4 blue:0.0 alpha:1.0] retain];
failureColor = [[NSColor colorWithDeviceRed:0.6 green:0.0 blue:0.0 alpha:1.0] retain];
[[NSUserDefaults standardUserDefaults] registerDefaults: [NSDictionary dictionaryWithObjectsAndKeys:
@"", @"PasswordFile",
@"", @"LogFile",
[NSString stringWithFormat:@"%@ (%@)", hostName, NSUserName()], @"desktopName",
@"5900", @"portNumberSystemServer",
hostName, @"desktopNameSystemServer",
@"NO", @"allowSleep",
@"YES", @"allowDimming",
@"YES", @"allowScreenSaver",
@"YES", @"swapButtons",
[NSNumber numberWithInt:0], @"keyboardLayout",
[NSNumber numberWithInt:3], @"keyboardEvents",
[NSNumber numberWithInt:2], @"eventSource",
@"NO", @"disableRemoteEvents",
@"NO", @"disableRichClipboard",
@"YES", @"allowRendezvous",
@"NO", @"dontDisconnectClients",
@"YES", @"startServerOnLaunch",
@"NO", @"terminateOnFastUserSwitch",
@"YES", @"serverKeepAlive",
@"Default", @"protocolVersion",
@"",@"otherArguments",
@"NO", @"localhostOnly",
@"NO", @"localhostOnlySystemServer",
@"/Library/StartupItems/OSXvnc", @"startupItemLocation",
@"/Library/LaunchAgents/com.redstonesoftware.VineServer.plist", @"launchdItemLocation",
@"http://automation.whatismyip.com/n09230945.asp", @"externalIPURL",
nil]];
alwaysShared = FALSE;
neverShared = FALSE;
userStopped = FALSE;
automaticReverseHost = [[[[NSBundle mainBundle] infoDictionary] objectForKey:@"ReverseHost"] copy];
automaticReversePort = [[[[NSBundle mainBundle] infoDictionary] objectForKey:@"ReversePort"] copy];
signal(SIGHUP, SIG_IGN);
signal(SIGABRT, terminateOnSignal);
signal(SIGINT, terminateOnSignal);
signal(SIGQUIT, terminateOnSignal);
signal(SIGBUS, terminateOnSignal);
signal(SIGSEGV, terminateOnSignal);
signal(SIGTERM, terminateOnSignal);
signal(SIGTSTP, terminateOnSignal);
return self;
}
- (IBAction) terminateRequest: sender {
if ([clientList count] && !shutdownSignal)
NSBeginAlertSheet(LocalizedString(@"Quit Vine Server"),
LocalizedString(@"Cancel"),
LocalizedString(@"Quit"),
nil, statusWindow, self, @selector(terminateSheetDidEnd:returnCode:contextInfo:), NULL, NULL,
LocalizedString(@"Disconnect %d clients and quit Vine Server?"), [clientList count]);
else
[NSApp terminate: self];
}
- (void) terminateSheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo {
if (returnCode == NSAlertAlternateReturn) {
[sheet orderOut:self];
[NSApp terminate: self];
}
}
- (BOOL) authenticationIsValid {
return ([automaticReverseHost length] || [[[NSUserDefaults standardUserDefaults] dataForKey:@"vncauth"] length] || [[NSUserDefaults standardUserDefaults] integerForKey:@"AuthenticationType"] > 1);
}
- (void) updateHostInfo {
// These commands can sometimes take a little while, so we have a dedicated thread for them
if (!waitingForHostInfo) {
waitingForHostInfo = TRUE;
[NSThread detachNewThreadSelector:@selector(dedicatedUpdateHostInfoThread) toTarget:self withObject:nil];
}
}
// Since this can block for a long time in certain DNS situations we will put this in a separate thread
- (void) dedicatedUpdateHostInfoThread {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NS_DURING {
[NSHost flushHostCache];
NSHost *currentHost = [NSHost currentHost];
NSMutableArray *commonHostNames = [[currentHost names] mutableCopy];
NSMutableArray *commonIPAddresses = [[currentHost addresses] mutableCopy];
NSMutableArray *displayIPAddresses = [NSMutableArray array];
NSURL *externalIP = [NSURL URLWithString:[[NSUserDefaults standardUserDefaults] stringForKey:@"externalIPURL"]];
NSData *externalIPData = [NSData dataWithContentsOfURL:externalIP];
NSString *externalIPString = ([externalIPData length] ? [NSString stringWithUTF8String: [externalIPData bytes]] : @"" );
NSEnumerator *ipEnum = nil;
NSString *anIP = nil;
BOOL anyConnections = TRUE; // Sadly it looks like the local IP's bypass the firewall anyhow
if ([externalIPString length] && [commonIPAddresses indexOfObject:externalIPString] == NSNotFound)
[commonIPAddresses insertObject:externalIPString atIndex:0];
ipEnum = [commonIPAddresses objectEnumerator];
while (anIP = [ipEnum nextObject]) {
BOOL isExternal = [externalIPString isEqualToString:anIP];
NSMutableAttributedString *ipString = [[[NSMutableAttributedString alloc] initWithString: anIP] autorelease];
if ([anIP hasPrefix:@"127.0.0.1"] || // localhost entries
[anIP rangeOfString:@"::"].location != NSNotFound) {
continue;
}
if (isExternal) {
[ipString replaceCharactersInRange:NSMakeRange([ipString length],0) withString:@"\tExternal"];
}
else {
[ipString replaceCharactersInRange:NSMakeRange([ipString length],0) withString:@"\tInternal"];
}
if (controller && ![limitToLocalConnections state]) { // Colorize and add tooltip
NSURL *testURL = [NSURL URLWithString:[NSString stringWithFormat:@"http://%@:%d",anIP,[self runningPortNum]]];
NSData *testData = [NSData dataWithContentsOfURL:testURL];
NSString *testString = ([testData length] ? [NSString stringWithUTF8String: [testData bytes]] : @"" );
if ([testString hasPrefix:@"RFB"]) {
[ipString replaceCharactersInRange:NSMakeRange([ipString length],0) withString:@"\tNetwork is configured to allow connections to this IP"];
[ipString addAttribute:NSForegroundColorAttributeName value:successColor range:NSMakeRange(0,[ipString length])];
anyConnections = TRUE;
}
else {
[ipString replaceCharactersInRange:NSMakeRange([ipString length],0) withString:@"\tNetwork is NOT configured to allow connections to this IP"];
[ipString addAttribute:NSForegroundColorAttributeName value:failureColor range:NSMakeRange(0,[ipString length])];
}
}
else // We don't want to warn about the firewall if we don't actually do the detection
anyConnections = TRUE;
[displayIPAddresses addObject: ipString];
}
if (!anyConnections)
[self performSelectorOnMainThread:@selector(addStatusMessage:) withObject: @"\n(It appears that your firewall is not permitting VNC connections)" waitUntilDone:NO];
[self performSelectorOnMainThread:@selector(updateHostNames:) withObject: commonHostNames waitUntilDone:NO];
[self performSelectorOnMainThread:@selector(updateIPAddresses:) withObject: displayIPAddresses waitUntilDone:NO];
waitingForHostInfo = FALSE;
}
NS_HANDLER
NSLog(@"Exception in updateHostInfo: %@", localException);
NS_ENDHANDLER
[pool release];
}
// Display Host Names
- (void) updateHostNames: (NSArray *) newHostNames {
NSMutableArray *commonHostNames = [[newHostNames mutableCopy] autorelease];
[commonHostNames removeObject:@"localhost"];
if ([commonHostNames count] > 1) {
[hostNamesBox setTitle:LocalizedString(@"Host Names")];
[hostNamesField setStringValue:[commonHostNames componentsJoinedByString:@"\n"]];
}
else if ([commonHostNames count] == 1) {
[hostNamesBox setTitle:LocalizedString(@"Host Name")];
[hostNamesField setStringValue:[commonHostNames componentsJoinedByString:@"\n"]];
}
else {
[hostNamesBox setTitle:LocalizedString(@"Host Name")];
[hostNamesField setStringValue:@""];
}
}
// Display IP Info
- (void) updateIPAddresses: (NSArray *) commonIPAddresses {
[ipAddressesView renewRows:0 columns:2];
id ipAddressEnum = [commonIPAddresses objectEnumerator];
id ipAddress = nil;
int i = 0;
while (ipAddress = [ipAddressEnum nextObject]) {
NSString *anIP = [ipAddress string];
if ([anIP hasPrefix:@"127.0.0.1"] || // localhost entries
[anIP rangeOfString:@"::"].location != NSNotFound) {
;//[commonIPAddresses removeObject:anIP];
}
else {
NSRange endOfIP = [anIP rangeOfString:@"\t"];
NSAttributedString *ipString = ipAddress;
NSAttributedString *noteString = [NSMutableString string];
NSString *tooltipString = @"";
if (endOfIP.location != NSNotFound && [ipAddress isKindOfClass:[NSAttributedString class]]) {
ipString = [ipAddress attributedSubstringFromRange: NSMakeRange(0,endOfIP.location)];
noteString = [ipAddress attributedSubstringFromRange: NSMakeRange(endOfIP.location+1,[ipAddress length]-(endOfIP.location+1))];
endOfIP = [[noteString string] rangeOfString:@"\t"];
if (endOfIP.location != NSNotFound) {
tooltipString = [[noteString string] substringFromIndex:endOfIP.location+1];
noteString = [noteString attributedSubstringFromRange: NSMakeRange(0,endOfIP.location)];
}
}
[ipAddressesView addRow];
[[ipAddressesView cellAtRow:i column:0] setAttributedStringValue: ipString];
[ipAddressesView setToolTip:tooltipString forCell:[ipAddressesView cellAtRow:i column:0]];
[[ipAddressesView cellAtRow:i column:1] setAttributedStringValue: noteString];
[ipAddressesView setToolTip:tooltipString forCell:[ipAddressesView cellAtRow:i column:1]];
i++;
}
}
[ipAddressesView sizeToCells];
if ([commonIPAddresses count] > 1) {
[ipAddressesBox setTitle:LocalizedString(@"IP Addresses")];
//[ipAddressesField setStringValue:[commonIPAddresses componentsJoinedByString:@"\n"]];
}
else {
[ipAddressesBox setTitle:LocalizedString(@"IP Address")];
//[ipAddressesField setStringValue:@""];
}
}
- (void) addStatusMessage: message {
if ([message isKindOfClass:[NSAttributedString class]])
[[statusMessageField textStorage] appendAttributedString:message];
else if ([message isKindOfClass:[NSString class]])
[[statusMessageField textStorage] appendAttributedString:[[[NSAttributedString alloc] initWithString:message] autorelease]];
}
- (NSWindow *) window {
return preferenceWindow;
}
- (void) determinePasswordLocation {
NSArray *passwordFiles = [NSArray arrayWithObjects:
[[NSUserDefaults standardUserDefaults] stringForKey:@"PasswordFile"],
@"~/.vinevncauth",
[[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@".vinevncauth"],
@"/tmp/.vinevncauth",
nil];
NSEnumerator *passwordEnumerators = [passwordFiles objectEnumerator];
[passwordFile release];
passwordFile = nil;
// Find first writable location for the password file
while (passwordFile = [passwordEnumerators nextObject]) {
passwordFile = [passwordFile stringByStandardizingPath];
if ([passwordFile length] && [[NSFileManager defaultManager] canWriteToFile:passwordFile]) {
[passwordFile retain];
break;
}
}
}
- (void) determineLogLocation {
NSArray *logFiles = [NSArray arrayWithObjects:
[[NSUserDefaults standardUserDefaults] stringForKey:@"LogFile"],
@"~/Library/Logs/VineServer.log",
@"/var/log/VineServer.log",
@"/tmp/VineServer.log",
[[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"VineServer.log"],
nil];
NSEnumerator *logEnumerators = [logFiles objectEnumerator];
[logFile release];
logFile = nil;
// Find first writable location for the log file
while (logFile = [logEnumerators nextObject]) {
logFile = [logFile stringByStandardizingPath];
if ([logFile length] && [[NSFileManager defaultManager] canWriteToFile:logFile]) {
[logFile retain];
break;
}
}
}
- (void) awakeFromNib {
id infoDictionary = [[NSBundle mainBundle] infoDictionary];
[self determinePasswordLocation];
[self determineLogLocation];
if (NSAppKitVersionNumber >= NSAppKitVersionNumber10_3) {
[connectPort setStringValue:@""];
[[connectPort cell] performSelector:@selector(setPlaceholderString:) withObject:@"5500"];
}
else
[connectPort setIntValue:5500];
// Copy over old preferences found in OSXvnc
NSDictionary *oldPrefs = [[NSUserDefaults standardUserDefaults] persistentDomainForName:@"OSXvnc"];
if (![oldPrefs objectForKey:@"Converted"]) {
[[NSUserDefaults standardUserDefaults] registerDefaults:oldPrefs];
[self loadUserDefaults: self];
[self saveUserDefaults: self];
oldPrefs = [oldPrefs mutableCopy];
[(NSMutableDictionary *)oldPrefs setObject:[NSNumber numberWithBool:TRUE] forKey:@"Converted"]; // Record that we've converted
[[NSUserDefaults standardUserDefaults] setPersistentDomain:oldPrefs forName:@"OSXvnc"]; // write it back
}
else
[self loadUserDefaults: self];
[statusWindow setTitle:[NSString stringWithFormat:@"%@: %@",
[infoDictionary objectForKey:@"CFBundleName"],
[displayNameField stringValue]]];
[optionsTabView selectTabViewItemAtIndex:0];
systemServerIsConfigured = ([[NSFileManager defaultManager] fileExistsAtPath:[[NSUserDefaults standardUserDefaults] stringForKey:@"startupItemLocation"]] ||
[[NSFileManager defaultManager] fileExistsAtPath:[[NSUserDefaults standardUserDefaults] stringForKey:@"launchdItemLocation"]]);
[self loadUIForSystemServer];
[stopServerButton setKeyEquivalent:@""];
[startServerButton setKeyEquivalent:@"\r"];
[preferencesMessageTestField setStringValue:@""];
// First we'll update with the quick-lookup information that doesn't hang
[self updateHostNames:[NSArray arrayWithObject:hostName]];
[self updateIPAddresses: localIPAddresses()];
[self updateHostInfo];
}
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
if ([startServerOnLaunchCheckbox state])// && [self authenticationIsValid])
[self startServer: self];
if (![NSApp isHidden])
[statusWindow makeMainWindow];
}
- (void)applicationDidBecomeActive:(NSNotification *)aNotification {
if (![statusWindow isVisible])
[statusWindow makeKeyAndOrderFront:self];
[self updateHostInfo];
}
// This is sent when the server's screen params change, the server can't handle this right now so we'll restart
- (void)applicationDidChangeScreenParameters:(NSNotification *)aNotification {
[self addStatusMessage:@"\n"];
[self addStatusMessage:LocalizedString(@"Screen Resolution changed - Server Reinitialized")];
}
- (void) updateUIForConnectionList: (NSArray *) connectionList {
NSMutableString *statusMessage = [NSMutableString string];
[clientList autorelease];
clientList = [connectionList copy];
int activeConnectionsCount = [clientList count];
if (![[passwordField stringValue] length])
[statusMessage appendFormat:@"%@(%@)", LocalizedString(@"Server Running"), LocalizedString(@"No Authentication")];
else
[statusMessage appendString: LocalizedString(@"Server Running")];
[statusMessage appendString:@"\n"];
if (activeConnectionsCount == 0)
[statusMessage appendString: LocalizedString(@"No Clients Connected")];
else if (activeConnectionsCount == 1) {
[statusMessage appendFormat: @"%d ", 1];
[statusMessage appendString: LocalizedString(@"Client Connected: ")];
[statusMessage appendString: [[clientList objectAtIndex:0] valueForKey:@"clientIP"]];
}
else if (activeConnectionsCount > 1) {
[statusMessage appendFormat: @"%d ", activeConnectionsCount];
[statusMessage appendString: LocalizedString(@"Clients Connected: ")];
[statusMessage appendString: [[clientList valueForKey:@"clientIP"] componentsJoinedByString:@", "]];
}
[statusMessageField setStringValue: statusMessage];
if (floor(NSAppKitVersionNumber) > floor(NSAppKitVersionNumber10_4)) {
if (activeConnectionsCount == 0)
[[NSApp performSelector:@selector(dockTile)] performSelector:@selector(setBadgeLabel:) withObject:@""];
else
[[NSApp performSelector:@selector(dockTile)] performSelector:@selector(setBadgeLabel:) withObject:[NSString stringWithFormat:@"%d", activeConnectionsCount]];
}
}
- (void)activeConnections: (NSNotification *) aNotification {
[self updateUIForConnectionList: [[aNotification userInfo] objectForKey:@"clientList"]];
}
- (int) scanForOpenPort: (int) tryPort {
int listen_fd4=0;
int value=1;
struct sockaddr_in sin4;
bzero(&sin4, sizeof(sin4));
sin4.sin_len = sizeof(sin4);
sin4.sin_family = AF_INET;
sin4.sin_addr.s_addr = htonl(INADDR_ANY);
// I'm going to only scan on IPv4 since our OSXvnc is going to register in both spaces
// struct sockaddr_in6 sin6;
// int listen_fd6=0;
// bzero(&sin6, sizeof(sin6));
// sin6.sin6_len = sizeof(sin6);
// sin6.sin6_family = AF_INET6;
// sin6.sin6_addr = in6addr_any;
while (tryPort < 5910) {
sin4.sin_port = htons(tryPort);
//sin6.sin6_port = htons(tryPort);
if ((listen_fd4 = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
//NSLog(@"Socket Init failed %d\n", tryPort);
}
else if (fcntl(listen_fd4, F_SETFL, O_NONBLOCK) < 0) {
//rfbLogPerror("fcntl O_NONBLOCK failed\n");
}
else if (setsockopt(listen_fd4, SOL_SOCKET, SO_REUSEADDR, &value, sizeof(value)) < 0) {
//NSLog(@"setsockopt SO_REUSEADDR failed %d\n", tryPort);
}
else if (bind(listen_fd4, (struct sockaddr *) &sin4, sizeof(sin4)) < 0) {
//NSLog(@"Failed to Bind Socket: Port %d may be in use by another VNC\n", tryPort);
}
else if (listen(listen_fd4, 5) < 0) {
//NSLog(@"Listen failed %d\n", tryPort);
}
/*
else if ((listen_fd6 = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
// NSLog(@"Socket Init 6 failed %d\n", tryPort);
}
else if (fcntl(listen_fd6, F_SETFL, O_NONBLOCK) < 0) {
// rfbLogPerror("IPv6: fcntl O_NONBLOCK failed\n");
}
else if (setsockopt(listen_fd6, SOL_SOCKET, SO_REUSEADDR, &value, sizeof(value)) < 0) {
//NSLog(@"setsockopt 6 SO_REUSEADDR failed %d\n", tryPort);
}
else if (bind(listen_fd6, (struct sockaddr *) &sin6, sizeof(sin6)) < 0) {
//NSLog(@"Failed to Bind Socket: Port %d may be in use by another VNC\n", tryPort);
}
else if (listen(listen_fd6, 5) < 0) {
//NSLog(@"Listen failed %d\n", tryPort);
}
*/
else {
close(listen_fd4);
//close(listen_fd6);
return tryPort;
}
close(listen_fd4);
//close(listen_fd6);
tryPort++;
}
[statusMessageField setStringValue:LocalizedString(@"Unable to find open port 5900-5909")];
return 0;
}
- (int) runningPortNum {
return [portNumText intValue];
}
- (void) loadUIForSystemServer {
if (systemServerIsConfigured) {
[startupItemStatusMessageField setTextColor:successColor];
[startupItemStatusMessageField setStringValue:LocalizedString(@"Startup Item Configured (Started)")];
}
else {
[startupItemStatusMessageField setTextColor:failureColor];
[startupItemStatusMessageField setStringValue:LocalizedString(@"Startup Item Disabled (Stopped)")];
}
[disableStartupButton setEnabled:systemServerIsConfigured];
[systemServerMenu setState: (systemServerIsConfigured ? NSOnState : NSOffState)];
[setStartupButton setTitle: (systemServerIsConfigured ? LocalizedString(@"Restart System Server") : LocalizedString(@"Start System Server"))];
}
- (void) loadAuthenticationUI {
int authType = [[NSUserDefaults standardUserDefaults] integerForKey:@"AuthenticationType"];
if ([[[NSUserDefaults standardUserDefaults] dataForKey:@"vncauth"] length]) {
[passwordField setStringValue:PasswordProxy];
[authenticationType selectCellWithTag:1];
}
else if (authType == 2) {
[authenticationType selectCellWithTag: 2];
}
[limitToLocalConnections setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"localhostOnly"]];
}
- (void) loadSystemServerAuthenticationUI {
if ([[[NSUserDefaults standardUserDefaults] dataForKey:@"vncauthSystemServer"] length]) {
[systemServerPasswordField setStringValue:PasswordProxy];
[systemServerAuthenticationType selectCellWithTag:1];
}
else { // if (authType == 2) {
[systemServerAuthenticationType selectCellWithTag: 2];
}
[systemServerLimitToLocalConnections setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"localhostOnlySystemServer"]];
}
- (void) loadUIForPort: (int) port {
if (port) {
if (port < 5900 || port > 5909)
[displayNumberField selectItemWithTitle:@"--"];
else
[displayNumberField selectItemWithTitle:[NSString stringWithFormat:@"%d", port-5900]];
[portField setIntValue:port];
[displayNumText setStringValue:[displayNumberField title]];
[portNumText setIntValue:port];
}
else {
[displayNumberField selectItemWithTitle:@"Auto"];
port = [self scanForOpenPort:5900];
if (port) {
if (NSAppKitVersionNumber >= NSAppKitVersionNumber10_3) {
[portField setStringValue:@""];
[[portField cell] performSelector:@selector(setPlaceholderString:) withObject:[NSString stringWithFormat:@"%d",port]];
}
else
[portField setIntValue:port];
[displayNumText setIntValue:port-5900];
[portNumText setIntValue:port];
}
}
}
- (void) loadUIForSystemServerPort: (int) port {
if (port) {
if (port < 5900 || port > 5909)
[systemServerDisplayNumberField selectItemWithTitle:@"--"];
else
[systemServerDisplayNumberField selectItemWithTitle:[NSString stringWithFormat:@"%d", port-5900]];
[systemServerPortField setIntValue:port];
}
else {
[systemServerDisplayNumberField selectItemWithTitle:@"Auto"];
port = [self scanForOpenPort:5900];
if (port) {
if (NSAppKitVersionNumber >= NSAppKitVersionNumber10_3) {
[systemServerPortField setStringValue:@""];
[[systemServerPortField cell] performSelector:@selector(setPlaceholderString:) withObject:[NSString stringWithFormat:@"%d",port]];
}
else
[systemServerPortField setIntValue:port];
}
}
}
- (void) loadUserDefaults: sender {
[self loadAuthenticationUI];
[self loadSystemServerAuthenticationUI];
[self loadUIForPort: [[NSUserDefaults standardUserDefaults] integerForKey:@"portNumber"]];
[self loadUIForSystemServerPort: [[NSUserDefaults standardUserDefaults] integerForKey:@"portNumberSystemServer"]];
[displayNameField setStringValue:[[NSUserDefaults standardUserDefaults] stringForKey:@"desktopName"]];
[systemServerDisplayNameField setStringValue:[[NSUserDefaults standardUserDefaults] stringForKey:@"desktopNameSystemServer"]];
[allowSleepCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"allowSleep"]];
[allowDimmingCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"allowDimming"]];
[allowScreenSaverCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"allowScreenSaver"]];
[swapMouseButtonsCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"swapButtons"]];
[keyboardLayout selectItemAtIndex:[keyboardLayout indexOfItemWithTag:[[NSUserDefaults standardUserDefaults] integerForKey:@"keyboardLayout"]]];
[keyboardEvents selectItemAtIndex:[keyboardEvents indexOfItemWithTag:[[NSUserDefaults standardUserDefaults] integerForKey:@"keyboardEvents"]]];
[eventSourcePopup selectItemAtIndex:[eventSourcePopup indexOfItemWithTag:[[NSUserDefaults standardUserDefaults] integerForKey:@"eventSource"]]];
[disableRemoteEventsCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"disableRemoteEvents"]];
[disableRichClipboardCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"disableRichClipboard"]];
[allowRendezvousCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"allowRendezvous"]];
[sharingMatrix selectCellWithTag: [[NSUserDefaults standardUserDefaults] integerForKey:@"sharingMode"]];
[dontDisconnectCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"dontDisconnectClients"]];
[self changeSharing:self];
if ([[NSUserDefaults standardUserDefaults] floatForKey:@"protocolVersion"] > 0.0)
[protocolVersion selectItemWithTitle:[[NSUserDefaults standardUserDefaults] stringForKey:@"protocolVersion"]];
[otherArguments setStringValue:[[NSUserDefaults standardUserDefaults] stringForKey:@"otherArguments"]];
[startServerOnLaunchCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"startServerOnLaunch"]];
[terminateOnFastUserSwitch setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"terminateOnFastUserSwitch"]];
[serverKeepAliveCheckbox setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"serverKeepAlive"]];
}
- (void) saveUserDefaults: sender {
if ([[displayNameField stringValue] length])
[[NSUserDefaults standardUserDefaults] setObject:[displayNameField stringValue] forKey:@"desktopName"];
if ([[displayNumberField selectedItem] tag] == 0)
[[NSUserDefaults standardUserDefaults] setInteger:0 forKey:@"portNumber"];
else
[[NSUserDefaults standardUserDefaults] setInteger:[portField intValue] forKey:@"portNumber"];
[[NSUserDefaults standardUserDefaults] setInteger:[[authenticationType selectedCell] tag] forKey:@"AuthenticationType"];
// System Server
{
if ([[systemServerDisplayNameField stringValue] length])
[[NSUserDefaults standardUserDefaults] setObject:[systemServerDisplayNameField stringValue] forKey:@"desktopNameSystemServer"];
if ([[systemServerDisplayNumberField selectedItem] tag] == 0)
[[NSUserDefaults standardUserDefaults] setInteger:0 forKey:@"portNumberSystemServer"];
else
[[NSUserDefaults standardUserDefaults] setInteger:[systemServerPortField intValue] forKey:@"portNumberSystemServer"];
[[NSUserDefaults standardUserDefaults] setInteger:[[systemServerAuthenticationType selectedCell] tag] forKey:@"AuthenticationTypeSystemServer"];
[[NSUserDefaults standardUserDefaults] setBool:[systemServerLimitToLocalConnections state] forKey:@"localhostOnlySystemServer"];
}
[[NSUserDefaults standardUserDefaults] setBool:[swapMouseButtonsCheckbox state] forKey:@"swapButtons"];
[[NSUserDefaults standardUserDefaults] setInteger:[[sharingMatrix selectedCell] tag] forKey:@"sharingMode"];
[[NSUserDefaults standardUserDefaults] setBool:[dontDisconnectCheckbox state] forKey:@"dontDisconnectClients"];
[[NSUserDefaults standardUserDefaults] setBool:[disableRemoteEventsCheckbox state] forKey:@"disableRemoteEvents"];
[[NSUserDefaults standardUserDefaults] setBool:[disableRichClipboardCheckbox state] forKey:@"disableRichClipboard"];
[[NSUserDefaults standardUserDefaults] setBool:[limitToLocalConnections state] forKey:@"localhostOnly"];
[[NSUserDefaults standardUserDefaults] setBool:[allowRendezvousCheckbox state] forKey:@"allowRendezvous"];
[[NSUserDefaults standardUserDefaults] setBool:[startServerOnLaunchCheckbox state] forKey:@"startServerOnLaunch"];
[[NSUserDefaults standardUserDefaults] setBool:[terminateOnFastUserSwitch state] forKey:@"terminateOnFastUserSwitch"];
[[NSUserDefaults standardUserDefaults] setBool:[serverKeepAliveCheckbox state] forKey:@"serverKeepAlive"];
[[NSUserDefaults standardUserDefaults] setBool:[allowSleepCheckbox state] forKey:@"allowSleep"];
[[NSUserDefaults standardUserDefaults] setBool:[allowDimmingCheckbox state] forKey:@"allowDimming"];
[[NSUserDefaults standardUserDefaults] setBool:[allowScreenSaverCheckbox state] forKey:@"allowScreenSaver"];
[[NSUserDefaults standardUserDefaults] setInteger:[[keyboardLayout selectedItem] tag] forKey:@"keyboardLayout"];
[[NSUserDefaults standardUserDefaults] setInteger:[[keyboardEvents selectedItem] tag] forKey:@"keyboardEvents"];
[[NSUserDefaults standardUserDefaults] setInteger:[[eventSourcePopup selectedItem] tag] forKey:@"eventSource"];
if ([[protocolVersion titleOfSelectedItem] floatValue] > 0.0)
[[NSUserDefaults standardUserDefaults] setFloat:[[protocolVersion titleOfSelectedItem] floatValue] forKey:@"protocolVersion"];
else
[[NSUserDefaults standardUserDefaults] removeObjectForKey:@"protocolVersion"];
[[NSUserDefaults standardUserDefaults] setObject:[otherArguments stringValue] forKey:@"otherArguments"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
- (void) startServer: sender {
NSArray *argv;
if (controller) {
// Set to relaunch and then try to shut-down
relaunchServer = TRUE;
[self stopServer: self];
return;
}
if (![preferenceWindow makeFirstResponder:preferenceWindow]) {
[preferenceWindow endEditingFor:nil];
}
if (![statusWindow makeFirstResponder:statusWindow]) {
[statusWindow endEditingFor:nil];
}
if ([[displayNumberField selectedItem] tag] == 0) {
[self loadUIForPort:0]; // To update the UI on the likely port that we will get
}
if (![self authenticationIsValid]) {
[NSApp beginSheet: initialWindow modalForWindow:statusWindow modalDelegate:nil didEndSelector: NULL contextInfo: NULL];
return;
}
if ([[NSUserDefaults standardUserDefaults] dataForKey:@"vncauth"] && ![[[NSUserDefaults standardUserDefaults] dataForKey:@"vncauth"] writeToFile: passwordFile atomically:NO]) {
[self addStatusMessage:@"Unable to start - problem writing vnc password file"];
return;
}
if ((argv = [self formCommandLineForSystemServer: NO])) {
NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString *executionPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"OSXvnc-server"];
NSString *noteStartup = [NSString stringWithFormat:@"%@\tStarting %@ %@(%@)\n", [NSDate date], [[NSProcessInfo processInfo] processName], [infoDictionary valueForKey:@"CFBundleShortVersion"], [infoDictionary valueForKey:@"CFBundleVersion"]];
[self determineLogLocation];
if (![[NSFileManager defaultManager] fileExistsAtPath:logFile]) {
[[NSFileManager defaultManager] createFileAtPath:logFile contents:nil attributes:nil];
}
else { // Clear it
serverOutput = [NSFileHandle fileHandleForUpdatingAtPath:logFile];
[serverOutput truncateFileAtOffset:0];
[serverOutput closeFile];
}
serverOutput = [[NSFileHandle fileHandleForUpdatingAtPath:logFile] retain];
[serverOutput writeData:[noteStartup dataUsingEncoding: NSUTF8StringEncoding]];
[serverOutput writeData:[[argv componentsJoinedByString:@" "] dataUsingEncoding: NSUTF8StringEncoding]];
[serverOutput writeData:[@"\n\n" dataUsingEncoding: NSUTF8StringEncoding]];
controller = [[NSTask alloc] init];
[controller setLaunchPath:executionPath];
[controller setArguments:argv];
[controller setStandardOutput:serverOutput];
[controller setStandardError:serverOutput];
[[NSDistributedNotificationCenter defaultCenter] addObserver:self
selector:@selector(activeConnections:)
name:@"VNCConnections"
object:[NSString stringWithFormat:@"OSXvnc%d",[self runningPortNum]]
suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately];
[controller launch];
[lastLaunchTime release];
lastLaunchTime = [[NSDate date] retain];
[[NSNotificationCenter defaultCenter] addObserver: self
selector: NSSelectorFromString(@"serverStopped:")
name: NSTaskDidTerminateNotification
object: controller];
if (![[passwordField stringValue] length])
[statusMessageField setStringValue:[NSString stringWithFormat:@"%@ - %@", LocalizedString(@"Server Running"), LocalizedString(@"No Authentication")]];
else
[statusMessageField setStringValue:LocalizedString(@"Server Running")];
//[startServerButton setEnabled:FALSE];
[startServerButton setTitle:LocalizedString(@"Restart Server")];
[startServerMenuItem setTitle:LocalizedString(@"Restart Server")];
[stopServerButton setEnabled:TRUE];
[serverMenuItem setState: NSOnState];
// We really don't want people to accidentally stop the server
//[startServerButton setKeyEquivalent:@""];
//[stopServerButton setKeyEquivalent:@"\r"];
userStopped = FALSE;
/* Only auto-connect the very first time ??; */
if ([automaticReverseHost length]) {
[self addStatusMessage:[NSString stringWithFormat:@"\n%@: %@", LocalizedString(@"Initiating Reverse Connection To Host"), automaticReverseHost]];
// [automaticReverseHost release];
// automaticReverseHost = nil;
// [automaticReversePort release];
// automaticReversePort = nil;
}
// Give the server a second to launch
[self performSelector:@selector(updateHostInfo) withObject:nil afterDelay:1.0];
}
}
- (void) stopServer: sender {
[self updateHostInfo];
if (controller != nil) {
userStopped = TRUE;
[controller terminate];
}
else {
[statusMessageField setStringValue:LocalizedString(@"The server is stopped.")];
}
}
- (void) serverStopped: (NSNotification *) aNotification {
// If we don't get the notification soon enough, we may have already restarted
if ([controller isRunning]) {
return;
}
[[NSDistributedNotificationCenter defaultCenter] removeObserver:self
name:@"VNCConnections"
object:[NSString stringWithFormat:@"OSXvnc%d",[self runningPortNum]]];
[[NSNotificationCenter defaultCenter] removeObserver: self
name: NSTaskDidTerminateNotification
object: controller];
[self updateUIForConnectionList:[NSArray array]];
[preferencesMessageTestField setStringValue:@""];
[startServerButton setTitle:LocalizedString(@"Start Server")];
[startServerMenuItem setTitle:LocalizedString(@"Start Server")];
//[startServerButton setEnabled:TRUE];
[stopServerButton setEnabled:FALSE];
[serverMenuItem setState: NSOffState];
//[stopServerButton setKeyEquivalent:@""];
//[startServerButton setKeyEquivalent:@"\r"];
if (userStopped)
[statusMessageField setStringValue:LocalizedString(@"The server is stopped.")];
else if ([controller terminationStatus]==250) {
NSMutableString *messageString = [NSMutableString stringWithFormat: LocalizedString(@"Vine Server can't listen on the specified port (%d)."), [self runningPortNum]];
[messageString appendString:@"\n"];
if (systemServerIsConfigured)
[messageString appendString:LocalizedString(@"Probably because the VNC server is already running as a Startup Item.")];
else
[messageString appendString:LocalizedString(@"Probably because another VNC is already using this port.")];
[statusMessageField setStringValue:messageString];
}
else if ([controller terminationStatus]) {
[statusMessageField setStringValue:[NSString stringWithFormat:LocalizedString(@"The server has stopped running. See Log (%d)\n"), [controller terminationStatus]]];
}
else
[statusMessageField setStringValue:LocalizedString(@"The server has stopped running")];
if (!userStopped &&
[serverKeepAliveCheckbox state] &&
[controller terminationStatus] >= 0 &&
[controller terminationStatus] <= 64 &&
-[lastLaunchTime timeIntervalSinceNow] > 1.0)
relaunchServer = YES;
[controller release];
controller = nil;
[serverOutput closeFile];
[serverOutput release];
serverOutput = nil;
// If it crashes in less than a second it probably can't launch
if (relaunchServer) {
relaunchServer = NO;
[self startServer:self];
}
}
- (NSMutableArray *) formCommandLineForSystemServer: (BOOL) isSystemServer {
NSMutableArray *argv = [NSMutableArray array];
if (isSystemServer) {
[argv addObject:@"-rfbport"];
if ([[systemServerDisplayNumberField selectedItem] tag] == 0)
[argv addObject:@"0"];
else
[argv addObject:[NSString stringWithFormat:@"%d", [systemServerPortField intValue]]];