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/*
Copyright (c) 2015 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package firewall
import (
"context"
"flag"
"fmt"
"os"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/govc/host/esxcli"
"github.com/vmware/govmomi/object"
"github.com/vmware/govmomi/vim25/types"
)
type find struct {
*flags.ClientFlag
*flags.OutputFlag
*flags.HostSystemFlag
enabled bool
check bool
types.HostFirewallRule
}
func init() {
cli.Register("firewall.ruleset.find", &find{})
}
func (cmd *find) Register(ctx context.Context, f *flag.FlagSet) {
cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
cmd.ClientFlag.Register(ctx, f)
cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
cmd.OutputFlag.Register(ctx, f)
cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
cmd.HostSystemFlag.Register(ctx, f)
f.BoolVar(&cmd.check, "c", true, "Check if esx firewall is enabled")
f.BoolVar(&cmd.enabled, "enabled", true, "Find enabled rule sets if true, disabled if false")
f.StringVar((*string)(&cmd.Direction), "direction", string(types.HostFirewallRuleDirectionOutbound), "Direction")
f.StringVar((*string)(&cmd.PortType), "type", string(types.HostFirewallRulePortTypeDst), "Port type")
f.StringVar((*string)(&cmd.Protocol), "proto", string(types.HostFirewallRuleProtocolTcp), "Protocol")
f.Var(flags.NewInt32(&cmd.Port), "port", "Port")
}
func (cmd *find) Process(ctx context.Context) error {
if err := cmd.ClientFlag.Process(ctx); err != nil {
return err
}
if err := cmd.OutputFlag.Process(ctx); err != nil {
return err
}
if err := cmd.HostSystemFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *find) Description() string {
return `Find firewall rulesets matching the given rule.
For a complete list of rulesets: govc host.esxcli network firewall ruleset list
For a complete list of rules: govc host.esxcli network firewall ruleset rule list
Examples:
govc firewall.ruleset.find -direction inbound -port 22
govc firewall.ruleset.find -direction outbound -port 2377`
}
func (cmd *find) Run(ctx context.Context, f *flag.FlagSet) error {
host, err := cmd.HostSystem()
if err != nil {
return err
}
fs, err := host.ConfigManager().FirewallSystem(ctx)
if err != nil {
return err
}
if cmd.check {
esxfw, err := esxcli.GetFirewallInfo(host)
if err != nil {
return err
}
if !esxfw.Enabled {
fmt.Fprintln(os.Stderr, "host firewall is disabled")
}
}
info, err := fs.Info(ctx)
if err != nil {
return err
}
if f.NArg() != 0 {
// TODO: f.Args() -> types.HostFirewallRulesetIpList
return flag.ErrHelp
}
rs := object.HostFirewallRulesetList(info.Ruleset)
matched, err := rs.EnabledByRule(cmd.HostFirewallRule, cmd.enabled)
if err != nil {
return err
}
for _, r := range matched {
fmt.Println(r.Key)
}
return nil
}
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