fix leaks

Author: devnexen

ext/sockets/sockets.c

@@ -1746,6 +1746,7 @@ PHP_FUNCTION(socket_recvfrom)
 							zend_update_property(Z_OBJCE(obj), Z_OBJ(obj), ZEND_STRL("payload"), &zpayload);
 							zend_update_property_string(Z_OBJCE(obj), Z_OBJ(obj), ZEND_STRL("rawPacket"), ZSTR_VAL(recv_buf));
 							zend_string_efree(recv_buf);
+							Z_DELREF(zpayload);
 							ZEND_TRY_ASSIGN_REF_VALUE(arg2, &obj);
 							ZEND_TRY_ASSIGN_REF_STRING(arg5, ifrname);
 
@@ -1807,6 +1808,7 @@ PHP_FUNCTION(socket_recvfrom)
 							zend_update_property(Z_OBJCE(obj), Z_OBJ(obj), ZEND_STRL("payload"), &zpayload);
 							zend_update_property_string(Z_OBJCE(obj), Z_OBJ(obj), ZEND_STRL("rawPacket"), ZSTR_VAL(recv_buf));
 							zend_string_efree(recv_buf);
+							Z_DELREF(zpayload);
 							ZEND_TRY_ASSIGN_REF_VALUE(arg2, &obj);
 							ZEND_TRY_ASSIGN_REF_STRING(arg5, ifrname);
 

ext/sockets/tests/socket_afpacket.phpt

@@ -135,6 +135,34 @@ if (!function_exists("posix_getuid") || posix_getuid() != 0) {
 
     var_dump($addr);
     var_dump($rsp);
+
+    $first_4_bytes = hex2bin("60000000");
+
+    $payload_len = hex2bin("0014");
+
+    $nexthdr = hex2bin("43");  // Extended proto
+
+    $hop_limit = hex2bin("40");
+
+    $src_ip = hex2bin("00000000000000000000000000000001");
+
+    $dst_ip = hex2bin("00000000000000000000000000000001");
+
+    $tcp_payload = str_repeat("A", 20);
+
+    $ethhdr = pack("H12H12n", "ffffffffffff", "000000000000", ETH_P_IPV6);
+
+    $buf = $ethhdr . $first_4_bytes . $payload_len . $nexthdr . $hop_limit . $src_ip . $dst_ip . $tcp_payload;
+
+    $buf .= str_repeat("\x00", max(0, 60 - strlen($buf)));
+
+    var_dump(socket_sendto($s_s, $buf, strlen($buf), 0, "lo", 1));
+    
+    try {
+    	socket_recvfrom($s_c, $rsp, strlen($buf), 0, $addr);
+    } catch (\ValueError $e) {
+	    echo $e->getMessage(), PHP_EOL;
+    }
 ?>
 --EXPECTF--
 bool(true)
@@ -247,3 +275,5 @@ object(Socket\EthernetPacket)#%d (7) {
     }
   }
 }
+int(%d)
+unsupported ip header protocol