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authorabhibeckert <abhi@abhibeckert.com>2008-09-29 09:49:36 +0000
committerabhibeckert <abhi@abhibeckert.com>2008-09-29 09:49:36 +0000
commit8b39f25ee75d7db1eff68aaa71b92d3282e4c054 (patch)
tree75e5fd2f66210a5d7170f92c40903fe9fe1c5b57 /trunk/SSHTunnel_old.m
parentc0e7a42a5deba6b1529db959411a416ab114edba (diff)
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tag release candidate 2 of 0.9.2 releaserelease-0.9.2
Diffstat (limited to 'trunk/SSHTunnel_old.m')
-rwxr-xr-xtrunk/SSHTunnel_old.m225
1 files changed, 225 insertions, 0 deletions
diff --git a/trunk/SSHTunnel_old.m b/trunk/SSHTunnel_old.m
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+/*
+
+SSHTunnel.m
+
+Original code by tynsoe.org, Copyright 2002
+Modified by Lorenz Textor for use with Sequel Pro
+
+*/
+
+#import "SSHTunnel.h"
+#include <unistd.h>
+
+// start diff lorenz textor
+/*
+#define T_START @"START: %@"
+#define T_STOP @"STOP: %@"
+#define S_IDLE @"Idle"
+#define S_CONNECTING @"Connecting..."
+#define S_CONNECTED @"Connected"
+#define S_AUTH @"Authenticated"
+#define S_PORT "Port %@ forwarded"
+*/
+#define T_START @"START: %@"
+#define T_STOP @"STOP: %@"
+#define S_IDLE @"Idle"
+#define S_CONNECTING @"Connecting..."
+#define S_CONNECTED @"Connected"
+#define S_AUTH @"Authenticated"
+#define S_PORT "Port %@ forwarded"
+// end diff lorenz textor
+
+@implementation SSHTunnel
+
+// initialization
+- (id)init
+{
+ self = [super init];
+
+ // Make this class the root one for AppleEvent calls
+// [[ NSScriptExecutionContext sharedScriptExecutionContext] setTopLevelObject: self ];
+
+ return self;
+}
+
+// Getting tunnels informations
+- (BOOL)isRunning
+/* returns YES if tunnel is running */
+{
+ return [ task isRunning ];
+}
+
+- (NSString*)status
+{
+ if (status)
+ return status;
+ return S_IDLE;
+}
+
+// starting & stopping the tunnel
+- (void)startTunnel
+/* starts tunnel with saved arguments */
+{
+ [self startTunnelWithArguments:tunnelArguments];
+}
+
+- (void)startTunnelWithArguments:(NSDictionary *)args
+/* starts the tunnel */
+{
+ NSMutableArray *arguments = [[ NSMutableArray alloc] init ];
+
+ if (tunnelArguments )
+ [tunnelArguments release];
+ tunnelArguments = [args retain];
+
+ // stop tunnel if already running
+ if ( [self isRunning] )
+// [self stopTunnel];
+ return;
+
+ shouldStop = NO;
+
+// get arguments
+ [ arguments addObject: @"-N" ];
+ [ arguments addObject: @"-v" ];
+
+// [ arguments addObject: @"-p" ];
+// [ arguments addObject: @"-p" ];
+// [ arguments addObject: @"22" ];
+
+// [ arguments addObject: @"-c"];
+// [ arguments addObject: @"3des"];
+
+ [ arguments addObject: [ NSString stringWithFormat: @"%@@%@", [args objectForKey:@"connUser"], [args objectForKey:@"connHost"] ]];
+
+ [ arguments addObject: @"-L" ];
+ [ arguments addObject: [NSString stringWithFormat:@"%@/%@/%@", [args objectForKey:@"localPort"], [args objectForKey:@"host"], [args objectForKey:@"remotePort"]] ];
+
+ [ NSThread detachNewThreadSelector:@selector(launchTunnel:)
+ toTarget: self
+ withObject: arguments ];
+
+ [ arguments release ];
+}
+
+- (void)stopTunnel
+/* stops the tunnel */
+{
+ if (! [ self isRunning ])
+ return;
+ shouldStop=YES;
+ [ self setValue: nil forKey: @"status" ];
+ [ task terminate ];
+ [[ NSNotificationCenter defaultCenter] postNotificationName:@"STMStatusChanged" object:self ];
+}
+
+- (void)launchTunnel:(NSArray*)arguments
+/* launches the tunnel in a separate thread */
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ if (task)
+ [ task release ];
+ task = [[ NSTask alloc ] init ];
+ NSMutableDictionary *environment = [ NSMutableDictionary dictionaryWithDictionary: [[ NSProcessInfo processInfo ] environment ]];
+ NSString *pathToAuthentifier = [[ NSBundle mainBundle ] pathForResource: @"askForPass" ofType: @"sh" ];
+
+ [ task setLaunchPath: @"/usr/bin/ssh" ];
+ [ task setArguments: arguments ];
+
+// really necessary???
+ [ environment removeObjectForKey: @"SSH_AGENT_PID" ];
+ [ environment removeObjectForKey: @"SSH_AUTH_SOCK" ];
+ [ environment setObject: pathToAuthentifier forKey: @"SSH_ASKPASS" ];
+ [ environment setObject:@":0" forKey:@"DISPLAY" ];
+
+ [ environment setObject: @"Sequel Pro Tunnel" forKey: @"TUNNEL_NAME" ];
+ [ task setEnvironment: environment ];
+
+ stdErrPipe = [[ NSPipe alloc ] init ];
+ [ task setStandardError: stdErrPipe ];
+
+ [[ NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(stdErr:)
+ name: @"NSFileHandleDataAvailableNotification"
+ object:[ stdErrPipe fileHandleForReading]];
+
+ [[ stdErrPipe fileHandleForReading] waitForDataInBackgroundAndNotify ];
+
+ NSLog(T_START,@"Sequel Pro Tunnel");
+ [ self setValue: S_CONNECTING forKey: @"status" ];
+ [ task launch ];
+ [[ NSNotificationCenter defaultCenter] postNotificationName:@"STMStatusChanged" object:self ];
+ [ task waitUntilExit ];
+ sleep(1);
+ [ self setValue: S_IDLE forKey: @"status" ];
+ NSLog(T_STOP,@"Sequel Pro Tunnel");
+ [[ NSNotificationCenter defaultCenter] removeObserver:self
+ name: @"NSFileHandleDataAvailableNotification"
+ object:[ stdErrPipe fileHandleForReading]];
+ [ task release ];
+ task = nil;
+ [ stdErrPipe release ];
+ stdErrPipe = nil;
+ [[ NSNotificationCenter defaultCenter] postNotificationName:@"STMStatusChanged" object:self ];
+ if (! shouldStop)
+ [ self startTunnel ];
+ [ pool release ];
+}
+
+- (void)stdErr:(NSNotification*)aNotification
+{
+ NSData *data = [[ aNotification object ] availableData ];
+ NSString *log = [[ NSString alloc ] initWithData: data encoding: NSASCIIStringEncoding ];
+ BOOL wait = YES;
+ if ([ log length ])
+ {
+ NSLog(log);
+ NSArray *lines = [ log componentsSeparatedByString:@"\n" ];
+ NSEnumerator *e = [ lines objectEnumerator ];
+ NSString *line;
+ while (line = [ e nextObject ])
+ {
+ if ([ line rangeOfString:@"Entering interactive session." ].location != NSNotFound)
+ {
+ [ self setValue: S_CONNECTED forKey: @"status"];
+ }
+ if ([ line rangeOfString:@"Authentication succeeded" ].location != NSNotFound)
+ [ self setValue: S_AUTH forKey: @"status"];
+ if ([ line rangeOfString:@"Connections to local port" ].location != NSNotFound)
+ {
+ NSScanner *s;
+ NSString *port;
+ s = [ NSScanner scannerWithString:log];
+ [ s scanUpToString: @"Connections to local port " intoString: nil ];
+ [ s scanString: @"Connections to local port " intoString: nil ];
+ [ s scanUpToString: @"forwarded" intoString:&port];
+ [ self setValue: [ NSString stringWithFormat: @"Port %@ forwarded", port ] forKey: @"status"];
+ }
+ if ([ line rangeOfString:@"closed by remote host." ].location != NSNotFound)
+ {
+ [ task terminate];
+ [ self setValue: @"Connection closed" forKey: @"status"];
+ wait = NO;
+ }
+ [[ NSNotificationCenter defaultCenter] postNotificationName:@"STMStatusChanged" object:self ];
+ }
+ if (wait)
+ [[ stdErrPipe fileHandleForReading ] waitForDataInBackgroundAndNotify ];
+ }
+ [ log release] ;
+}
+
+// deallocation
+- (void) dealloc
+{
+ [self stopTunnel];
+
+ [task release];
+ [stdErrPipe release];
+ [status release];
+ [tunnelArguments release];
+
+ [super dealloc];
+}
+
+@end