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Add configtest subcommand. skip un-ssh-able servers.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| /* Vuls - Vulnerability Scanner | ||
| Copyright (C) 2016 Future Architect, Inc. Japan. | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package commands | ||
|
|
||
| import ( | ||
| "flag" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
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| "github.com/Sirupsen/logrus" | ||
| "github.com/google/subcommands" | ||
| "github.com/labstack/gommon/log" | ||
| "golang.org/x/net/context" | ||
|
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| c "github.com/future-architect/vuls/config" | ||
| "github.com/future-architect/vuls/scan" | ||
| "github.com/future-architect/vuls/util" | ||
| ) | ||
|
|
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| // ConfigtestCmd is Subcommand | ||
| type ConfigtestCmd struct { | ||
| configPath string | ||
| askKeyPassword bool | ||
| sshExternal bool | ||
|
|
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| debug bool | ||
| } | ||
|
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| // Name return subcommand name | ||
| func (*ConfigtestCmd) Name() string { return "configtest" } | ||
|
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| // Synopsis return synopsis | ||
| func (*ConfigtestCmd) Synopsis() string { return "Test configuration" } | ||
|
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| // Usage return usage | ||
| func (*ConfigtestCmd) Usage() string { | ||
| return `configtest: | ||
| configtest | ||
| [-config=/path/to/config.toml] | ||
| [-ask-key-password] | ||
| [-ssh-external] | ||
| [-debug] | ||
| [SERVER]... | ||
| ` | ||
| } | ||
|
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| // SetFlags set flag | ||
| func (p *ConfigtestCmd) SetFlags(f *flag.FlagSet) { | ||
| wd, _ := os.Getwd() | ||
| defaultConfPath := filepath.Join(wd, "config.toml") | ||
| 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( | ||
| &p.askKeyPassword, | ||
| "ask-key-password", | ||
| false, | ||
| "Ask ssh privatekey password before scanning", | ||
| ) | ||
|
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| f.BoolVar( | ||
| &p.sshExternal, | ||
| "ssh-external", | ||
| false, | ||
| "Use external ssh command. Default: Use the Go native implementation") | ||
| } | ||
|
|
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| // Execute execute | ||
| func (p *ConfigtestCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus { | ||
|
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| var keyPass string | ||
| var err error | ||
| if p.askKeyPassword { | ||
| prompt := "SSH key password: " | ||
| if keyPass, err = getPasswd(prompt); err != nil { | ||
| logrus.Error(err) | ||
| return subcommands.ExitFailure | ||
| } | ||
| } | ||
|
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| c.Conf.Debug = p.debug | ||
|
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| err = c.Load(p.configPath, keyPass, "") | ||
| if err != nil { | ||
| logrus.Errorf("Error loading %s, %s", p.configPath, err) | ||
| return subcommands.ExitUsageError | ||
| } | ||
|
|
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| var servernames []string | ||
| if 0 < len(f.Args()) { | ||
| servernames = f.Args() | ||
| } else { | ||
| stat, _ := os.Stdin.Stat() | ||
| if (stat.Mode() & os.ModeCharDevice) == 0 { | ||
| bytes, err := ioutil.ReadAll(os.Stdin) | ||
| if err != nil { | ||
| log.Errorf("Failed to read stdin: %s", err) | ||
| return subcommands.ExitFailure | ||
| } | ||
| fields := strings.Fields(string(bytes)) | ||
| if 0 < len(fields) { | ||
| servernames = fields | ||
| } | ||
| } | ||
| } | ||
|
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| target := make(map[string]c.ServerInfo) | ||
| for _, arg := range servernames { | ||
| found := false | ||
| for servername, info := range c.Conf.Servers { | ||
| if servername == arg { | ||
| target[servername] = info | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
| if !found { | ||
| logrus.Errorf("%s is not in config", arg) | ||
| return subcommands.ExitUsageError | ||
| } | ||
| } | ||
| if 0 < len(servernames) { | ||
| c.Conf.Servers = target | ||
| } | ||
|
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| // logger | ||
| Log := util.NewCustomLogger(c.ServerInfo{}) | ||
|
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| Log.Info("Validating Config...") | ||
| if !c.Conf.Validate() { | ||
| return subcommands.ExitUsageError | ||
| } | ||
|
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| Log.Info("Detecting Server OS... ") | ||
| scan.InitServers(Log) | ||
|
|
||
| return subcommands.ExitSuccess | ||
| } |
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