From 7f07ae9e42061f06886441994977a238013dd5ff Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor@docker.com>
Date: Thu, 31 Oct 2013 18:33:42 -0700
Subject: [PATCH] check port is valid

---
 utils.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/utils.go b/utils.go
index c71c95ba32..81715881ae 100644
--- a/utils.go
+++ b/utils.go
@@ -225,6 +225,12 @@ func parsePortSpecs(ports []string) (map[Port]struct{}, map[Port][]PortBinding,
 		if containerPort == "" {
 			return nil, nil, fmt.Errorf("No port specified: %s<empty>", rawPort)
 		}
+		if _, err := strconv.ParseUint(containerPort, 10, 16); err != nil {
+			return nil, nil, fmt.Errorf("Invalid containerPort: %s", containerPort)
+		}
+		if _, err := strconv.ParseUint(hostPort, 10, 16); hostPort != "" && err != nil {
+			return nil, nil, fmt.Errorf("Invalid hostPort: %s", hostPort)
+		}
 
 		port := NewPort(proto, containerPort)
 		if _, exists := exposedPorts[port]; !exists {