(Objective-C) SSH Execute Remote Commands

See more SSH Examples

Shows how to execute a command on an SSH server and retrieve the command output.

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#import <CkoSsh.h>
#import <NSString.h>

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

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

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

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

// Send some commands and get the output.
NSString *strOutput = [ssh QuickCommand: @"df" charset: @"ansi"];
if (ssh.LastMethodSuccess != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",@"---- df ----");
NSLog(@"%@",strOutput);

strOutput = [ssh QuickCommand: @"echo hello world" charset: @"ansi"];
if (ssh.LastMethodSuccess != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",@"---- echo hello world ----");
NSLog(@"%@",strOutput);

strOutput = [ssh QuickCommand: @"date" charset: @"ansi"];
if (ssh.LastMethodSuccess != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

NSLog(@"%@",@"---- date ----");
NSLog(@"%@",strOutput);

// --------------
// Sample output:

// 	---- df ----
// 	Filesystem    512-blocks      Used  Available Capacity  iused     ifree %iused  Mounted on
// 	/dev/disk2    2176716032 265736304 1910467728    13% 33281036 238808466   12%   /
// 	devfs                382       382          0   100%      662         0  100%   /dev
// 	map -hosts             0         0          0   100%        0         0  100%   /net
// 	map auto_home          0         0          0   100%        0         0  100%   /home
// 	/dev/disk3s2      374668    374668          0   100%    93665         0  100%   /Volumes/Google Chrome
// 
// 	---- echo hello world ----
// 	hello world
// 
// 	---- date ----
// 	Thu Dec 22 17:19:32 CST 2016