2d854cd64d
Solved the problem of trying to read from STDIN and stopping on the way when running from CRON or AWS Lambda.
152 lines
3.7 KiB
Go
152 lines
3.7 KiB
Go
/* Vuls - Vulnerability Scanner
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Copyright (C) 2016 Future Architect, Inc. Japan.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package commands
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import (
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"context"
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"flag"
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"os"
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"path/filepath"
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"github.com/Sirupsen/logrus"
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"github.com/google/subcommands"
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c "github.com/future-architect/vuls/config"
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"github.com/future-architect/vuls/scan"
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"github.com/future-architect/vuls/util"
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)
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// ConfigtestCmd is Subcommand
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type ConfigtestCmd struct {
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configPath string
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askKeyPassword bool
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sshExternal bool
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debug bool
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}
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// Name return subcommand name
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func (*ConfigtestCmd) Name() string { return "configtest" }
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// Synopsis return synopsis
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func (*ConfigtestCmd) Synopsis() string { return "Test configuration" }
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// Usage return usage
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func (*ConfigtestCmd) Usage() string {
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return `configtest:
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configtest
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[-config=/path/to/config.toml]
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[-ask-key-password]
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[-ssh-external]
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[-debug]
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[SERVER]...
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`
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}
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// SetFlags set flag
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func (p *ConfigtestCmd) SetFlags(f *flag.FlagSet) {
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wd, _ := os.Getwd()
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defaultConfPath := filepath.Join(wd, "config.toml")
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f.StringVar(&p.configPath, "config", defaultConfPath, "/path/to/toml")
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f.BoolVar(&p.debug, "debug", false, "debug mode")
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f.BoolVar(
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&p.askKeyPassword,
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"ask-key-password",
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false,
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"Ask ssh privatekey password before scanning",
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)
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f.BoolVar(
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&p.sshExternal,
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"ssh-external",
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false,
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"Use external ssh command. Default: Use the Go native implementation")
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}
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// Execute execute
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func (p *ConfigtestCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
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var keyPass string
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var err error
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if p.askKeyPassword {
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prompt := "SSH key password: "
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if keyPass, err = getPasswd(prompt); err != nil {
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logrus.Error(err)
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return subcommands.ExitFailure
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}
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}
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c.Conf.Debug = p.debug
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c.Conf.SSHExternal = p.sshExternal
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err = c.Load(p.configPath, keyPass)
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if err != nil {
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logrus.Errorf("Error loading %s, %s", p.configPath, err)
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return subcommands.ExitUsageError
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}
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var servernames []string
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if 0 < len(f.Args()) {
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servernames = f.Args()
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}
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target := make(map[string]c.ServerInfo)
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for _, arg := range servernames {
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found := false
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for servername, info := range c.Conf.Servers {
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if servername == arg {
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target[servername] = info
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found = true
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break
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}
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}
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if !found {
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logrus.Errorf("%s is not in config", arg)
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return subcommands.ExitUsageError
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}
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}
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if 0 < len(servernames) {
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c.Conf.Servers = target
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}
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// logger
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Log := util.NewCustomLogger(c.ServerInfo{})
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Log.Info("Validating Config...")
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if !c.Conf.ValidateOnConfigtest() {
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return subcommands.ExitUsageError
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}
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Log.Info("Detecting Server/Contianer OS... ")
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if err := scan.InitServers(Log); err != nil {
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Log.Errorf("Failed to init servers: %s", err)
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return subcommands.ExitFailure
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}
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Log.Info("Checking sudo configuration... ")
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if err := scan.CheckIfSudoNoPasswd(Log); err != nil {
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Log.Errorf("Failed to sudo with nopassword via SSH. Define NOPASSWD in /etc/sudoers on target servers. err: %s", err)
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return subcommands.ExitFailure
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}
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scan.PrintSSHableServerNames()
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return subcommands.ExitSuccess
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}
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