303 lines
7.3 KiB
Go
303 lines
7.3 KiB
Go
/* Vuls - Vulnerability Scanner
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Copyright (C) 2016 Future Corporation , 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 config
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import (
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"os"
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"regexp"
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"strings"
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"github.com/BurntSushi/toml"
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"github.com/knqyf263/go-cpe/naming"
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"golang.org/x/xerrors"
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)
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// TOMLLoader loads config
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type TOMLLoader struct {
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}
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// Load load the configuration TOML file specified by path arg.
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func (c TOMLLoader) Load(pathToToml, keyPass string) error {
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var conf Config
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if _, err := toml.DecodeFile(pathToToml, &conf); err != nil {
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return err
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}
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Conf.EMail = conf.EMail
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Conf.Slack = conf.Slack
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Conf.Stride = conf.Stride
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Conf.HipChat = conf.HipChat
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Conf.ChatWork = conf.ChatWork
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Conf.Telegram = conf.Telegram
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Conf.Saas = conf.Saas
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Conf.Syslog = conf.Syslog
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Conf.HTTP = conf.HTTP
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Conf.AWS = conf.AWS
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Conf.Azure = conf.Azure
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Conf.CveDict = conf.CveDict
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Conf.OvalDict = conf.OvalDict
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Conf.Gost = conf.Gost
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Conf.Exploit = conf.Exploit
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d := conf.Default
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Conf.Default = d
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servers := make(map[string]ServerInfo)
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if keyPass != "" {
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d.KeyPassword = keyPass
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}
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i := 0
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for serverName, v := range conf.Servers {
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if 0 < len(v.KeyPassword) {
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return xerrors.Errorf("[Deprecated] KEYPASSWORD IN CONFIG FILE ARE UNSECURE. REMOVE THEM IMMEDIATELY FOR A SECURITY REASONS. THEY WILL BE REMOVED IN A FUTURE RELEASE: %s", serverName)
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}
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s := ServerInfo{ServerName: serverName}
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if v.Type != ServerTypePseudo {
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s.Host = v.Host
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if len(s.Host) == 0 {
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return xerrors.Errorf("%s is invalid. host is empty", serverName)
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}
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switch {
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case v.Port != "":
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s.Port = v.Port
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case d.Port != "":
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s.Port = d.Port
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default:
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s.Port = "22"
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}
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switch {
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case v.User != "":
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s.User = v.User
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case d.User != "":
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s.User = d.User
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default:
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if s.Port != "local" {
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return xerrors.Errorf("%s is invalid. User is empty", serverName)
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}
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}
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s.KeyPath = v.KeyPath
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if len(s.KeyPath) == 0 {
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s.KeyPath = d.KeyPath
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}
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if s.KeyPath != "" {
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if _, err := os.Stat(s.KeyPath); err != nil {
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return xerrors.Errorf(
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"%s is invalid. keypath: %s not exists", serverName, s.KeyPath)
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}
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}
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s.KeyPassword = v.KeyPassword
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if len(s.KeyPassword) == 0 {
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s.KeyPassword = d.KeyPassword
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}
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}
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s.ScanMode = v.ScanMode
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if len(s.ScanMode) == 0 {
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s.ScanMode = d.ScanMode
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if len(s.ScanMode) == 0 {
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s.ScanMode = []string{"fast"}
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}
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}
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for _, m := range s.ScanMode {
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switch m {
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case "fast":
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s.Mode.Set(Fast)
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case "fast-root":
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s.Mode.Set(FastRoot)
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case "deep":
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s.Mode.Set(Deep)
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case "offline":
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s.Mode.Set(Offline)
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default:
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return xerrors.Errorf("scanMode: %s of %s is invalie. Specify -fast, -fast-root, -deep or offline", m, serverName)
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}
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}
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if err := s.Mode.validate(); err != nil {
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return xerrors.Errorf("%s in %s", err, serverName)
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}
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s.CpeNames = v.CpeNames
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if len(s.CpeNames) == 0 {
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s.CpeNames = d.CpeNames
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}
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for i, n := range s.CpeNames {
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uri, err := toCpeURI(n)
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if err != nil {
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return xerrors.Errorf("Failed to parse CPENames %s in %s, err: %w", n, serverName, err)
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}
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s.CpeNames[i] = uri
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}
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s.ContainersIncluded = v.ContainersIncluded
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if len(s.ContainersIncluded) == 0 {
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s.ContainersIncluded = d.ContainersIncluded
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}
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s.ContainersExcluded = v.ContainersExcluded
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if len(s.ContainersExcluded) == 0 {
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s.ContainersExcluded = d.ContainersExcluded
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}
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s.ContainerType = v.ContainerType
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if len(s.ContainerType) == 0 {
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s.ContainerType = d.ContainerType
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}
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s.Containers = v.Containers
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for contName, cont := range s.Containers {
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cont.IgnoreCves = append(cont.IgnoreCves, d.IgnoreCves...)
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s.Containers[contName] = cont
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}
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if len(v.DependencyCheckXMLPath) != 0 || len(d.DependencyCheckXMLPath) != 0 {
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return xerrors.Errorf("[DEPRECATED] dependencyCheckXMLPath IS DEPRECATED. USE owaspDCXMLPath INSTEAD: %s", serverName)
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}
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s.OwaspDCXMLPath = v.OwaspDCXMLPath
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if len(s.OwaspDCXMLPath) == 0 {
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s.OwaspDCXMLPath = d.OwaspDCXMLPath
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}
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s.Memo = v.Memo
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if s.Memo == "" {
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s.Memo = d.Memo
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}
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s.IgnoreCves = v.IgnoreCves
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for _, cve := range d.IgnoreCves {
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found := false
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for _, c := range s.IgnoreCves {
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if cve == c {
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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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s.IgnoreCves = append(s.IgnoreCves, cve)
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}
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}
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s.IgnorePkgsRegexp = v.IgnorePkgsRegexp
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for _, pkg := range d.IgnorePkgsRegexp {
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found := false
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for _, p := range s.IgnorePkgsRegexp {
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if pkg == p {
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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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s.IgnorePkgsRegexp = append(s.IgnorePkgsRegexp, pkg)
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}
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}
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for _, reg := range s.IgnorePkgsRegexp {
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_, err := regexp.Compile(reg)
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if err != nil {
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return xerrors.Errorf("Faild to parse %s in %s. err: %w", reg, serverName, err)
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}
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}
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for contName, cont := range s.Containers {
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for _, reg := range cont.IgnorePkgsRegexp {
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_, err := regexp.Compile(reg)
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if err != nil {
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return xerrors.Errorf("Faild to parse %s in %s@%s. err: %w",
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reg, contName, serverName, err)
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}
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}
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}
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opt := map[string]interface{}{}
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for k, v := range d.Optional {
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opt[k] = v
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}
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for k, v := range v.Optional {
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opt[k] = v
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}
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s.Optional = opt
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s.Enablerepo = v.Enablerepo
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if len(s.Enablerepo) == 0 {
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s.Enablerepo = d.Enablerepo
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}
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if len(s.Enablerepo) != 0 {
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for _, repo := range s.Enablerepo {
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switch repo {
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case "base", "updates":
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// nop
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default:
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return xerrors.Errorf(
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"For now, enablerepo have to be base or updates: %s, servername: %s",
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s.Enablerepo, serverName)
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}
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}
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}
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s.GitHubRepos = v.GitHubRepos
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for ownerRepo, githubSetting := range s.GitHubRepos {
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if ss := strings.Split(ownerRepo, "/"); len(ss) != 2 {
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return xerrors.Errorf("Failed to parse GitHub owner/repo: %s in %s",
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ownerRepo, serverName)
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}
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if githubSetting.Token == "" {
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return xerrors.Errorf("GitHub owner/repo: %s in %s token is empty",
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ownerRepo, serverName)
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}
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}
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s.UUIDs = v.UUIDs
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s.Type = v.Type
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s.WordPress.WPVulnDBToken = v.WordPress.WPVulnDBToken
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s.WordPress.CmdPath = v.WordPress.CmdPath
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s.WordPress.DocRoot = v.WordPress.DocRoot
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s.WordPress.OSUser = v.WordPress.OSUser
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s.WordPress.IgnoreInactive = v.WordPress.IgnoreInactive
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s.LogMsgAnsiColor = Colors[i%len(Colors)]
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i++
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servers[serverName] = s
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}
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Conf.Servers = servers
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return nil
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}
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func toCpeURI(cpename string) (string, error) {
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if strings.HasPrefix(cpename, "cpe:2.3:") {
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wfn, err := naming.UnbindFS(cpename)
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if err != nil {
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return "", err
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}
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return naming.BindToURI(wfn), nil
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} else if strings.HasPrefix(cpename, "cpe:/") {
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wfn, err := naming.UnbindURI(cpename)
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if err != nil {
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return "", err
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}
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return naming.BindToURI(wfn), nil
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}
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return "", xerrors.Errorf("Unknow CPE format: %s", cpename)
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}
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