(Objective-C) SSH Commands to Sophos Router Device Console

Demonstrates how to establish an SSH session with a Sophos XG router and send commands in a device console session.

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#import <CkoSsh.h>

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

CkoSsh *ssh = [[CkoSsh alloc] init];

BOOL success = [ssh Connect: @"172.16.16.16" port: [NSNumber numberWithInt: 22]];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// Authenticate using login/password:
success = [ssh AuthenticatePw: @"myLogin" password: @"myPassword"];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// Start a shell session.
// (The QuickShell method was added in Chilkat v9.5.0.65)
int channelNum = [[ssh QuickShell] intValue];
if (channelNum < 0) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// The Sophos router will send this initial prompt:

// 	Main Menu
// 
// 	    1.  Network  Configuration
// 	    2.  System   Configuration
// 	    3.  Route    Configuration
// 	    4.  Device Console
// 	    5.  Device Management
// 	    6.  VPN Management
// 	    7.  Shutdown/Reboot Device
// 	    0.  Exit
// 
// 	    Select Menu Number [0-7]: 

success = [ssh ChannelReceiveUntilMatch: [NSNumber numberWithInt: channelNum] matchPattern: @"Select Menu Number" charset: @"utf-8" caseSensitive: YES];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// Show what we received so far:
NSLog(@"%@",[ssh GetReceivedText: [NSNumber numberWithInt: channelNum] charset: @"utf-8"]);

// Send "4" <RETURN> to mimic typing in a shell session.
success = [ssh ChannelSendString: [NSNumber numberWithInt: channelNum] strData: @"4\n" charset: @"utf-8"];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// We should get a "console>" prompt.
success = [ssh ChannelReceiveUntilMatch: [NSNumber numberWithInt: channelNum] matchPattern: @"console>" charset: @"utf-8" caseSensitive: YES];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",[ssh GetReceivedText: [NSNumber numberWithInt: channelNum] charset: @"utf-8"]);

// Send a command and get the output..
success = [ssh ChannelSendString: [NSNumber numberWithInt: channelNum] strData: @"dnslookup host google.com\n" charset: @"utf-8"];
success = [ssh ChannelReceiveUntilMatch: [NSNumber numberWithInt: channelNum] matchPattern: @"console>" charset: @"utf-8" caseSensitive: YES];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",[ssh GetReceivedText: [NSNumber numberWithInt: channelNum] charset: @"utf-8"]);

// Send another command and get the output, and so on...
success = [ssh ChannelSendString: [NSNumber numberWithInt: channelNum] strData: @"dnslookup host microsoft.com\n" charset: @"utf-8"];
success = [ssh ChannelReceiveUntilMatch: [NSNumber numberWithInt: channelNum] matchPattern: @"console>" charset: @"utf-8" caseSensitive: YES];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",[ssh GetReceivedText: [NSNumber numberWithInt: channelNum] charset: @"utf-8"]);

[ssh Disconnect];