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<?php
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/**
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* Usage:
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* -u username
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* -p password
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* --port port
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* --local local path
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* --remote remote path
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* -c Command which can be one of:
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* * scp
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* * scp_pull
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* CLI Version to get around the error in the APACHE currently
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* that will not allow this extension to be loaded.
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*/
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# Setup and Input parsing
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$args = $argv;
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unset($args[0]);
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$input = parseArguments($args);
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if(isset($input['command'])) {
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$input['command'] = base64_decode($input['command']);
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}
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# Create Object
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$shell = new SSH2($input['host'], $input['port']);
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$shell->authPassword($input['username'], $input['password']);
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# Look up the command
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$lookup_cmd = $input['action'];
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if($lookup_cmd == 'scp') {
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$shell->pushToRemote($input['local'], $input['remote']);
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}
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else if($lookup_cmd == 'scp_pull') {
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$output = $shell->pullFromRemote($input['remote'], $input['local']);
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print $output;
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}
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else {
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$output = $shell->cmdExec($input['command']);
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print $output;
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unset($shell);
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}
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exit();
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// ssh protocols
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// note: once openShell method is used, cmdExec does not work
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class SSH2 {
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private $host = 'host';
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private $user = 'user';
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private $port = '22';
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private $password = 'password';
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private $con = null;
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private $shell_type = 'bash';
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private $shell = null;
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private $logs = array();
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private $connection_open = false;
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function __construct($host='', $port='' ) {
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if (!extension_loaded('ssh2')) {
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if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
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dl('php_ssh2.dll');
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} else {
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dl('ssh2.so');
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}
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}
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if( $host!='' ) $this->host = $host;
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if( $port!='' ) $this->port = $port;
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$this->con = ssh2_connect($this->host, $this->port);
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if( !$this->con ) {
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$this->connection_open = false;
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$this->throwFatalError("Connection failed to $this->host on $this->port");
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}
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}
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function logger($msg) {
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$this->logs[] = $msg;
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}
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function getLogs() {
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return $this->logs;
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}
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function pushToRemote($local_path, $remote_path) {
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if(AUTOPILOT_DEBUG_MODE === true) {
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$logger =& LoggerManager::getLogger('pushToRemote');
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$logger->debug("Pushing $local_path to $remote_path");
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}
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umask(0);
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$try = ssh2_scp_send($this->con, $local_path, $remote_path, 0777);
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if(!$try) {
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$this->throwFatalError("Channel SCP: Unable to SCP Copy: [local] $local_path, [remote] $remote_path");
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}
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else {
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#$logger->info("Copy sucessful...");
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}
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return;
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}
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function pullFromRemote($remote_path, $local_path) {
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if(AUTOPILOT_DEBUG_MODE === true) {
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$logger =& LoggerManager::getLogger('pullFromRemote');
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$logger->debug("Pushing $local_path to $remote_path");
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}
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umask(0);
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$try = ssh2_scp_recv($this->con, $remote_path, $local_path);
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if(!$try) {
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$this->throwFatalError("Channel SCP: Unable to SCP Pull to $local_path from $remote_path");
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}
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else if(AUTOPILOT_DEBUG_MODE === true) {
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$logger->info("Pull sucessful");
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}
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return;
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}
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function isConnectionOpen() {
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return $this->connection_open;
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}
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function authPassword( $user = '', $password = '' ) {
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if( $user!='' ) $this->user = $user;
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if( $password!='' ) $this->password = $password;
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if( !ssh2_auth_password( $this->con, $this->user, $this->password ) ) {
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$this->logger("Authorization failed for $this->user");
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$this->throwFatalError("Authorization failed for $this->user");
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}
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}
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function openShell( $shell_type = '' ) {
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if ( $shell_type != '' ) {
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$this->shell_type = $shell_type;
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}
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$this->shell = ssh2_shell( $this->con, $this->shell_type );
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if( !$this->shell ) {
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$this->throwFatalError("Shell connection failed");
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}
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return;
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}
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function writeShell( $command = '' ) {
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fwrite($this->shell, $command."\n")
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or
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$this->throwFatalError("Error while writing to shell");
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}
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function cmdExec($cmd) {
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$cmd = "echo '[start]';$cmd;echo '[end]'";
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$stream = ssh2_exec( $this->con, $cmd, false );
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stream_set_blocking( $stream, true );
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$contents = stream_get_contents($stream);
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//fclose($stream);
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return $contents;
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}
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public function getLog() {
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return implode("\n", $this->getLogs());
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}
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/**
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* The CLIFatalError echos the
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* error message and then exits
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* with an exit code other than 0.
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* TODO: Perhaps match up error code
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* types?
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*/
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public function CLIFatalError($msg = null) {
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if($msg !== null) {
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$msg = implode("\n", $this->getLogs());
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}
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ob_end_clean();
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print $msg;
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ob_flush();
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exit(1);
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}
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public function throwFatalError($msg) {
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$this->CLIFatalError($msg);
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}
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}
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function parseArguments($argv) {
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$parsed = array();
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foreach ($argv as $arg) {
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if (preg_match('#^-{1,2}([a-zA-Z0-9]*)=?(.*)$#', $arg, $matches)) {
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$key = $matches[1];
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switch ($matches[2]) {
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case '':
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case 'true':
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$arg = true;
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break;
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case 'false':
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$arg = false;
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break;
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default:
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$arg = $matches[2];
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}
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/* make unix like -afd == -a -f -d */
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if(preg_match("/^-([a-zA-Z0-9]+)/", $matches[0], $match)) {
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$string = $match[1];
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for($i=0; strlen($string) > $i; $i++) {
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$parsed[$string[$i]] = true;
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}
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} else {
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$parsed[$key] = $arg;
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}
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} else {
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$parsed['input'][] = $arg;
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}
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}
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return $parsed;
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}
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