Class fssh{
Private $conn;
Private $shell; /**
* key=string Password Authentication, Key=array (' Pub ' =>, ' pri ' =>, ' type ' =>, ' phrase ' =) key authentication
* Key authentication type is divided into two types: Ssh-rsa,ssh-dss
* $host [addr]=string address, $host [' FP ']=array () server fingerprint
*/
function __construct ($host, $user, $key) {
if (Empty ($host [' addr '])) {
Debug_print (' Host cant ' t be empty ', e_user_error);
}
if (Empty ($host [' FP ')]) {
Debug_print (' Finger print is not specified ', e_user_error);
}
$this->stdin=fopen (' Php://stdin ', ' R ');
$this->stdout=fopen (' Php://stdout ', ' W ');
if (False!==strpos ($host [' addr '], ': ')) {
$temp =explode (': ', $host [' addr ']);
$host [' addr ']= $temp [0];
$port = $temp [1];
}else{
$port = 22;
}
if (is_string ($key) | | empty ($key [' type '])) {
$methods =null;
}else{
$methods =array (' hostkey ' = $key [' type ']);
}
$conn =ssh2_connect ($host [' addr '], $port, $methods, Array (' Disconnect ' =>array ($this, ' Disconnect ')));
$FP =ssh2_fingerprint ($conn, SSH2_FINGERPRINT_MD5);
$success =false;
$fpOK =false;
if (In_array ($fp, $host [' FP '])) {
$fpOK =true;
}else{
Fwrite ($this->stdout, "$fpnIs fingerprint OK?" ( y/n) ");
$input =strtolower (Stream_get_line ($this->stdin,1));
if ($input = = ' Y ') {
$fpOK =true;
}else{
$fpOK =false;
}
}
if ($fpOK) {
if (Is_array ($key)) {
if (Ssh2_auth_pubkey_file ($conn, $user, $key [' Pub '], $key [' pri '], $key [' phrase ']) {
$success =true;
}else{
Debug_print (' Public Key authentication Failed ', e_user_error);
}
}elseif (is_string ($key)) {
if (Ssh2_auth_password ($conn, $user, $key)) {
$success =true;
}else{
Debug_print (' Password authentication Failed ', e_user_error);
}
}
}else{
Debug_print (' Fingerprint is invalid ', e_user_error);
}
if ($success) {
$this->conn= $conn;
$this->shell=ssh2_shell ($conn, null,null,1024);
}
return $success;
} Function Shell () {
///Last command
$last = ';
//End Shell first, then end while
$signalTerminate =false;
while (true) {
$cmd = $this->fread ($this->stdin);
$out =stream_get_contents ($this->shell,1024);
if (!empty ($out) and!empty ($last)) {
$l 1=strlen ($out),
$l 2=strlen ($last),
$l = $l 1> $l 2? $l 2: $l 1;
$last =substr ($last, $l);
$out =substr ($out, $l);
}
Echo LTrim ($out);
if ($signalTerminate) {
break;
}
if (In_array (Trim ($cmd), Array (' exit '))) {
$signalTerminate =true;
}
if (!empty ($cmd)) {
$last = $cmd;
fwrite ($this->shell, $cmd);
}
}
} There is no other way to solve the Windows command-line read problem.
Private Function Fread ($FD) {
static $data = ';
$read = Array ($FD);
$write = Array ();
$except = Array ();
$result = Stream_select ($read, $write, $except, 0,1000);
if ($result = = = False)
Debug_print (' Stream_select failed ', e_user_error);
if ($result!== 0) {
$c = Stream_get_line ($FD, 1);
if ($c!=CHR (13))
$data. = $c;
if ($c ==CHR (10)) {
$t = $data;
$data = ";
return $t;
}
}
} function __destruct () {
Fclose ($this->stdin);
Fclose ($this->stdout);
$this->disconnect ();
} Private Function Disconnect () {
if (Is_resource ($this->conn)) {
unset ($this->conn);
Fclose ($this->shell);
}
}
} |
