fix api server resize&execResize

Signed-off-by: Antonio Murdaca <me@runcom.ninja>

api/server/server.go

@@ -1036,11 +1036,11 @@ func postContainersResize(eng *engine.Engine, version version.Version, w http.Re
 
 	height, err := strconv.Atoi(r.Form.Get("h"))
 	if err != nil {
-		return nil
+		return err
 	}
 	width, err := strconv.Atoi(r.Form.Get("w"))
 	if err != nil {
-		return nil
+		return err
 	}
 
 	d := getDaemon(eng)
@@ -1049,11 +1049,7 @@ func postContainersResize(eng *engine.Engine, version version.Version, w http.Re
 		return err
 	}
 
-	if err := cont.Resize(height, width); err != nil {
-		return err
-	}
-
-	return nil
+	return cont.Resize(height, width)
 }
 
 func postContainersAttach(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
@@ -1416,19 +1412,16 @@ func postContainerExecResize(eng *engine.Engine, version version.Version, w http
 
 	height, err := strconv.Atoi(r.Form.Get("h"))
 	if err != nil {
-		return nil
+		return err
 	}
 	width, err := strconv.Atoi(r.Form.Get("w"))
 	if err != nil {
-		return nil
-	}
-
-	d := getDaemon(eng)
-	if err := d.ContainerExecResize(vars["name"], height, width); err != nil {
 		return err
 	}
 
-	return nil
+	d := getDaemon(eng)
+
+	return d.ContainerExecResize(vars["name"], height, width)
 }
 
 func optionsHandler(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {

integration-cli/docker_api_exec_resize_test.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"os/exec"
+	"strings"
+	"testing"
+)
+
+func TestExecResizeApiHeightWidthNoInt(t *testing.T) {
+	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
+	out, _, err := runCommandWithOutput(runCmd)
+	if err != nil {
+		t.Fatalf(out, err)
+	}
+	defer deleteAllContainers()
+	cleanedContainerID := strings.TrimSpace(out)
+
+	endpoint := "/exec/" + cleanedContainerID + "/resize?h=foo&w=bar"
+	_, err = sockRequest("POST", endpoint, nil)
+	if err == nil {
+		t.Fatal("Expected exec resize Request to fail")
+	}
+
+	logDone("container exec resize - height, width no int fail")
+}

integration-cli/docker_api_resize_test.go

@@ -24,6 +24,24 @@ func TestResizeApiResponse(t *testing.T) {
 	logDone("container resize - when started")
 }
 
+func TestResizeApiHeightWidthNoInt(t *testing.T) {
+	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
+	out, _, err := runCommandWithOutput(runCmd)
+	if err != nil {
+		t.Fatalf(out, err)
+	}
+	defer deleteAllContainers()
+	cleanedContainerID := strings.TrimSpace(out)
+
+	endpoint := "/containers/" + cleanedContainerID + "/resize?h=foo&w=bar"
+	_, err = sockRequest("POST", endpoint, nil)
+	if err == nil {
+		t.Fatal("Expected resize Request to fail")
+	}
+
+	logDone("container resize - height, width no int fail")
+}
+
 func TestResizeApiResponseWhenContainerNotStarted(t *testing.T) {
 	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
 	out, _, err := runCommandWithOutput(runCmd)