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(PHP Extension) SSH Auth Failure Reason (AuthenticatePwPk)This example demonstrates how to determine the failure reason for the case where both a password and private key are required for authentication. If authentication fails, was it because of an invalid private key, or an invalid password? Note: This example requires a feature introduced in Chilkat v9.5.0.79
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load a private key to be used for SSH authentication. $key = new CkSshKey(); $key->put_Password('key_password'); $success = $key->FromOpenSshPrivateKey($key->loadText('qa_data/my_private_key_file')); if ($success != true) { print $key->lastErrorText() . "\n"; exit; } $ssh = new CkSsh(); $success = $ssh->Connect('ssh.example.com',22); if ($success != true) { print $ssh->lastErrorText() . "\n"; exit; } // Authenticate using both a password and private key. $success = $ssh->AuthenticatePwPk('myLogin','myPassword',$key); if ($success == true) { print 'Authentication is successful!' . "\n"; exit; } // If we get here, it means the authentication failed. // To find out why, get the LastJsonData // This is a feature added in Chilkat v9.5.0.79 // json is a CkJsonObject $json = $ssh->LastJsonData(); $json->put_EmitCompact(false); // This is the JSON if the key is correct, but the password is incorrect: // { // "public_key_type": "rsa", // "partialAuthResult": "publickey success. continue to authenticate with password...", // "authResult": "failed", // "authFailReason": "Password is incorrect" // } // This is the JSON if the key is incorrect. We won't know if the password is also incorrect until // the key is made correct so that authentication proceeds to check the password. // { // "public_key_type": "rsa", // "authResult": "failed", // "authFailReason": "Key is incorrect" // } // To get the authResult anbd authFailReason: print 'authResult: ' . $json->stringOf('authResult') . "\n"; print 'authFailReason: ' . $json->stringOf('authFailReason') . "\n"; ?> |
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