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Objective-C

SFTP using SOCKS Proxy

See more SFTP Examples

Demonstrates how to connect to an SFTP/SSH server through a SOCKS4 or SOCKS5 proxy.

Chilkat Objective-C Downloads

Objective-C
#import <CkoSFtp.h>
#import <NSString.h>

BOOL success = NO;

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

CkoSFtp *sftp = [[CkoSFtp alloc] init];

//  To use a SOCKS4 or SOCKS5 proxy, simply set the following
//  properties prior to connecting:
//  The SOCKS hostname may be a domain name or 
//  IP address:
sftp.SocksHostname = @"www.mysocksproxyserver.com";
sftp.SocksPort = [NSNumber numberWithInt:1080];
sftp.SocksUsername = @"myProxyLogin";
sftp.SocksPassword = @"myProxyPassword";

//  Set the SOCKS version to 4 or 5 based on the version
//  of the SOCKS proxy server:
sftp.SocksVersion = [NSNumber numberWithInt:5];

//  Note: SOCKS4 servers only support usernames without passwords.
//  SOCKS5 servers support full login/password authentication.

//  Connect to the SSH server.  
//  The standard SSH port = 22
//  The hostname may be a hostname or IP address.
NSString *hostname = @"sftp.example.com";
int port = 22;
success = [sftp Connect: hostname port: [NSNumber numberWithInt: port]];
if (success != YES) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Your application is now connected to an SFTP/SSH server 
//  through a SOCKS4 or SOCKS5 proxy. 
//  ...