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Add exception support for handling errors #2

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Add exception support for handling errors #2

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45 changes: 39 additions & 6 deletions src/clamd.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,23 @@
$EICAR_TEST = 'X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*';


class ClamdSocketException extends Exception {
protected $errorCode;

public function __construct($message, $socketErrorCode) {
$this->errorCode = $socketErrorCode;
if (!$message) {
$message = socket_strerror($this->errorCode);
}
parent::__construct($message);
}

/* Get socket error (returned from 'socket_last_error') */
public function getErrorCode() {
return $this->errorCode;
}
}

/* An abstract class that `ClamdPipe` and `ClamdNetwork` will inherit. */
abstract class ClamdBase {

Expand Down Expand Up @@ -107,8 +124,20 @@ public function __construct($pip=CLAMD_PIPE) {
}

protected function getSocket() {
$socket = socket_create(AF_UNIX, SOCK_STREAM, 0);
socket_connect($socket, $this->pip);
$socket = @socket_create(AF_UNIX, SOCK_STREAM, 0);
if ($socket === FALSE) {
throw new ClamdSocketException('', socket_last_error());
}
$hasError = @socket_connect($socket, $this->pip);
if ($hasError === FALSE) {
$errorCode = socket_last_error();
$errorMessage = socket_strerror($errorCode);
if ($errorCode === 2) {
// ie. `No such file or directory "/var/run/clamav/clamd.ctl"`
$errorMessage .= ' "'.$this->pip.'", Is clamd running and are your user/group permissions configured properly?';
}
throw new ClamdSocketException($errorMessage, $errorCode);
}
return $socket;
}
}
Expand All @@ -126,10 +155,14 @@ public function __construct($host=CLAMD_HOST, $port=CLAMD_PORT) {
}

protected function getSocket() {
$socket = socket_create(AF_INET, SOCK_STREAM, 0);
socket_connect($socket, $this->host, $this->port);
$socket = @socket_create(AF_INET, SOCK_STREAM, 0);
if ($socket === FALSE) {
throw new ClamdSocketException('', socket_last_error());
}
$hasError = @socket_connect($socket, $this->host, $this->port);
if ($hasError === FALSE) {
throw new ClamdSocketException('', socket_last_error());
}
return $socket;
}
}

?>