iptables -t nat -A ISTIO_OUTPUT -o lo -m owner ! --gid-owner 1 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 1 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 2 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -o lo -m owner ! --gid-owner 2 -j RETURN

	{in: testGroupFile, user: "user777", gid: "7", gids: []string{"7", "777", "1000"}},
	{in: testGroupFile, user: "user1111", gid: "1111", gids: []string{"1111", "1000"}},
	{in: testGroupFile, user: "user1000", gid: "1000", gids: []string{"1000"}},
	{in: testGroupFile, user: "user7500", gid: "7500", gids: []string{"1000", "7500"}},
	{in: testGroupFile, user: "no-such-user", gid: "2345", gids: []string{"2345"}},

iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 1 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 1 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 2 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 2 -j RETURN

iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 1 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -o lo -p tcp ! --dport 53 -m owner ! --gid-owner 1 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 1 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 2 -j ISTIO_IN_REDIRECT

			}
		}
		prefix := ""
		if attrs.Prefix != nil {
			prefix = *attrs.Prefix
		}
		comment := IDToCommand[prefix].Comment
		uid, gid := uint32(0), uint32(0)
		if attrs.UID != nil {
			uid = *attrs.UID
		}
		if attrs.GID != nil {
			gid = *attrs.GID
		}
		inDev, outDev := "", ""
		if attrs.InDev != nil {
			ii, err := net.InterfaceByIndex(int(*attrs.InDev))
			if err == nil {
				inDev = ii.Name

	return b
}

// WithGID sets the GID field in the declarative configuration to the given value
// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the GID field is set to the value of the last call.
func (b *LinuxContainerUserApplyConfiguration) WithGID(value int64) *LinuxContainerUserApplyConfiguration {
	b.GID = &value
	return b
}

		return nil, fmt.Errorf("user: lookup groupname %s: %v", groupname, err)
	}
	return buildGroup(&grp), nil
}

func lookupGroupId(gid string) (*Group, error) {
	i, e := strconv.Atoi(gid)
	if e != nil {
		return nil, e
	}
	return lookupUnixGid(i)
}

func lookupUnixGid(gid int) (*Group, error) {
	var grp _C_struct_group
	var found bool

	err := retryWithBuffer(groupBuffer, func(buf []byte) syscall.Errno {

iptables -t nat -A ISTIO_OUTPUT -m owner --uid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 1337 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -o lo -p tcp ! --dport 53 -m owner ! --gid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -p tcp --dport 53 -d 127.0.0.53/32 -j REDIRECT --to-ports 15053

iptables -t nat -A ISTIO_OUTPUT -m owner --uid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -o lo ! -d 127.0.0.1/32 -p tcp ! --dport 15008 -m owner --gid-owner 1337 -j ISTIO_IN_REDIRECT
iptables -t nat -A ISTIO_OUTPUT -o lo -m owner ! --gid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -m owner --gid-owner 1337 -j RETURN
iptables -t nat -A ISTIO_OUTPUT -d 127.0.0.1/32 -j RETURN
ip6tables -t nat -N ISTIO_INBOUND
ip6tables -t nat -N ISTIO_REDIRECT

limitations under the License.
*/

package util

import "os"

// chown changes the numeric uid and gid of the named file.
func (w *AtomicWriter) chown(name string, uid, gid int) error {
	return os.Chown(name, uid, gid)