Files
vuls/config/config.go
2021-01-18 04:38:00 +09:00

463 lines
16 KiB
Go

package config
import (
"fmt"
"os"
"runtime"
"strconv"
"strings"
"github.com/asaskevich/govalidator"
log "github.com/sirupsen/logrus"
"golang.org/x/xerrors"
)
// Version of Vuls
var Version = "`make build` or `make install` will show the version"
// Revision of Git
var Revision string
// Conf has Configuration
var Conf Config
//Config is struct of Configuration
type Config struct {
Debug bool `json:"debug,omitempty"`
DebugSQL bool `json:"debugSQL,omitempty"`
Lang string `json:"lang,omitempty"`
HTTPProxy string `valid:"url" json:"httpProxy,omitempty"`
LogDir string `json:"logDir,omitempty"`
ResultsDir string `json:"resultsDir,omitempty"`
Pipe bool `json:"pipe,omitempty"`
Quiet bool `json:"quiet,omitempty"`
NoProgress bool `json:"noProgress,omitempty"`
SSHNative bool `json:"sshNative,omitempty"`
Vvv bool `json:"vvv,omitempty"`
Default ServerInfo `json:"default,omitempty"`
Servers map[string]ServerInfo `json:"servers,omitempty"`
CvssScoreOver float64 `json:"cvssScoreOver,omitempty"`
IgnoreUnscoredCves bool `json:"ignoreUnscoredCves,omitempty"`
IgnoreUnfixed bool `json:"ignoreUnfixed,omitempty"`
IgnoreGitHubDismissed bool `json:"ignore_git_hub_dismissed,omitempty"`
CacheDBPath string `json:"cacheDBPath,omitempty"`
TrivyCacheDBDir string `json:"trivyCacheDBDir,omitempty"`
CveDict GoCveDictConf `json:"cveDict,omitempty"`
OvalDict GovalDictConf `json:"ovalDict,omitempty"`
Gost GostConf `json:"gost,omitempty"`
Exploit ExploitConf `json:"exploit,omitempty"`
Metasploit MetasploitConf `json:"metasploit,omitempty"`
Slack SlackConf `json:"-"`
EMail SMTPConf `json:"-"`
HTTP HTTPConf `json:"-"`
Syslog SyslogConf `json:"-"`
AWS AWSConf `json:"-"`
Azure AzureConf `json:"-"`
ChatWork ChatWorkConf `json:"-"`
Telegram TelegramConf `json:"-"`
WpScan WpScanConf `json:"WpScan,omitempty"`
Saas SaasConf `json:"-"`
DetectIPS bool `json:"detectIps,omitempty"`
RefreshCve bool `json:"refreshCve,omitempty"`
ToSlack bool `json:"toSlack,omitempty"`
ToChatWork bool `json:"toChatWork,omitempty"`
ToTelegram bool `json:"ToTelegram,omitempty"`
ToEmail bool `json:"toEmail,omitempty"`
ToSyslog bool `json:"toSyslog,omitempty"`
ToLocalFile bool `json:"toLocalFile,omitempty"`
ToS3 bool `json:"toS3,omitempty"`
ToAzureBlob bool `json:"toAzureBlob,omitempty"`
ToHTTP bool `json:"toHTTP,omitempty"`
FormatJSON bool `json:"formatJSON,omitempty"`
FormatOneEMail bool `json:"formatOneEMail,omitempty"`
FormatOneLineText bool `json:"formatOneLineText,omitempty"`
FormatList bool `json:"formatList,omitempty"`
FormatFullText bool `json:"formatFullText,omitempty"`
FormatCsvList bool `json:"formatCsvList,omitempty"`
GZIP bool `json:"gzip,omitempty"`
Diff bool `json:"diff,omitempty"`
}
// ValidateOnConfigtest validates
func (c Config) ValidateOnConfigtest() bool {
errs := c.checkSSHKeyExist()
if runtime.GOOS == "windows" && !c.SSHNative {
errs = append(errs, xerrors.New("-ssh-native-insecure is needed on windows"))
}
_, err := govalidator.ValidateStruct(c)
if err != nil {
errs = append(errs, err)
}
for _, err := range errs {
log.Error(err)
}
return len(errs) == 0
}
// ValidateOnScan validates configuration
func (c Config) ValidateOnScan() bool {
errs := c.checkSSHKeyExist()
if runtime.GOOS == "windows" && !c.SSHNative {
errs = append(errs, xerrors.New("-ssh-native-insecure is needed on windows"))
}
if len(c.ResultsDir) != 0 {
if ok, _ := govalidator.IsFilePath(c.ResultsDir); !ok {
errs = append(errs, xerrors.Errorf(
"JSON base directory must be a *Absolute* file path. -results-dir: %s", c.ResultsDir))
}
}
if len(c.CacheDBPath) != 0 {
if ok, _ := govalidator.IsFilePath(c.CacheDBPath); !ok {
errs = append(errs, xerrors.Errorf(
"Cache DB path must be a *Absolute* file path. -cache-dbpath: %s",
c.CacheDBPath))
}
}
_, err := govalidator.ValidateStruct(c)
if err != nil {
errs = append(errs, err)
}
for _, err := range errs {
log.Error(err)
}
return len(errs) == 0
}
func (c Config) checkSSHKeyExist() (errs []error) {
for serverName, v := range c.Servers {
if v.Type == ServerTypePseudo {
continue
}
if v.KeyPath != "" {
if _, err := os.Stat(v.KeyPath); err != nil {
errs = append(errs, xerrors.Errorf(
"%s is invalid. keypath: %s not exists", serverName, v.KeyPath))
}
}
}
return errs
}
// ValidateOnReportDB validates configuration
func (c Config) ValidateOnReportDB() bool {
errs := []error{}
if err := validateDB("cvedb", c.CveDict.Type, c.CveDict.SQLite3Path, c.CveDict.URL); err != nil {
errs = append(errs, err)
}
if err := validateDB("ovaldb", c.OvalDict.Type, c.OvalDict.SQLite3Path, c.OvalDict.URL); err != nil {
errs = append(errs, err)
}
if err := validateDB("gostdb", c.Gost.Type, c.Gost.SQLite3Path, c.Gost.URL); err != nil {
errs = append(errs, err)
}
if err := validateDB("exploitdb", c.Exploit.Type, c.Exploit.SQLite3Path, c.Exploit.URL); err != nil {
errs = append(errs, err)
}
if err := validateDB("msfdb", c.Metasploit.Type, c.Metasploit.SQLite3Path, c.Metasploit.URL); err != nil {
errs = append(errs, err)
}
for _, err := range errs {
log.Error(err)
}
return len(errs) == 0
}
// ValidateOnReport validates configuration
func (c Config) ValidateOnReport() bool {
errs := []error{}
if len(c.ResultsDir) != 0 {
if ok, _ := govalidator.IsFilePath(c.ResultsDir); !ok {
errs = append(errs, xerrors.Errorf(
"JSON base directory must be a *Absolute* file path. -results-dir: %s", c.ResultsDir))
}
}
_, err := govalidator.ValidateStruct(c)
if err != nil {
errs = append(errs, err)
}
if mailerrs := c.EMail.Validate(); 0 < len(mailerrs) {
errs = append(errs, mailerrs...)
}
if slackerrs := c.Slack.Validate(); 0 < len(slackerrs) {
errs = append(errs, slackerrs...)
}
if chatworkerrs := c.ChatWork.Validate(); 0 < len(chatworkerrs) {
errs = append(errs, chatworkerrs...)
}
if telegramerrs := c.Telegram.Validate(); 0 < len(telegramerrs) {
errs = append(errs, telegramerrs...)
}
if syslogerrs := c.Syslog.Validate(); 0 < len(syslogerrs) {
errs = append(errs, syslogerrs...)
}
if httperrs := c.HTTP.Validate(); 0 < len(httperrs) {
errs = append(errs, httperrs...)
}
for _, err := range errs {
log.Error(err)
}
return len(errs) == 0
}
// ValidateOnTui validates configuration
func (c Config) ValidateOnTui() bool {
errs := []error{}
if len(c.ResultsDir) != 0 {
if ok, _ := govalidator.IsFilePath(c.ResultsDir); !ok {
errs = append(errs, xerrors.Errorf(
"JSON base directory must be a *Absolute* file path. -results-dir: %s", c.ResultsDir))
}
}
if err := validateDB("cvedb", c.CveDict.Type, c.CveDict.SQLite3Path, c.CveDict.URL); err != nil {
errs = append(errs, err)
}
for _, err := range errs {
log.Error(err)
}
return len(errs) == 0
}
// ValidateOnSaaS validates configuration
func (c Config) ValidateOnSaaS() bool {
saaserrs := c.Saas.Validate()
for _, err := range saaserrs {
log.Error("Failed to validate SaaS conf: %+w", err)
}
return len(saaserrs) == 0
}
// validateDB validates configuration
func validateDB(dictionaryDBName, dbType, dbPath, dbURL string) error {
log.Infof("-%s-type: %s, -%s-url: %s, -%s-path: %s",
dictionaryDBName, dbType, dictionaryDBName, dbURL, dictionaryDBName, dbPath)
switch dbType {
case "sqlite3":
if dbURL != "" {
return xerrors.Errorf("To use SQLite3, specify -%s-type=sqlite3 and -%s-path. To use as http server mode, specify -%s-type=http and -%s-url",
dictionaryDBName, dictionaryDBName, dictionaryDBName, dictionaryDBName)
}
if ok, _ := govalidator.IsFilePath(dbPath); !ok {
return xerrors.Errorf("SQLite3 path must be a *Absolute* file path. -%s-path: %s",
dictionaryDBName, dbPath)
}
case "mysql":
if dbURL == "" {
return xerrors.Errorf(`MySQL connection string is needed. -%s-url="user:pass@tcp(localhost:3306)/dbname"`,
dictionaryDBName)
}
case "postgres":
if dbURL == "" {
return xerrors.Errorf(`PostgreSQL connection string is needed. -%s-url="host=myhost user=user dbname=dbname sslmode=disable password=password"`,
dictionaryDBName)
}
case "redis":
if dbURL == "" {
return xerrors.Errorf(`Redis connection string is needed. -%s-url="redis://localhost/0"`,
dictionaryDBName)
}
case "http":
if dbURL == "" {
return xerrors.Errorf(`URL is needed. -%s-url="http://localhost:1323"`,
dictionaryDBName)
}
default:
return xerrors.Errorf("%s type must be either 'sqlite3', 'mysql', 'postgres', 'redis' or 'http'. -%s-type: %s",
dictionaryDBName, dictionaryDBName, dbType)
}
return nil
}
// AWSConf is aws config
type AWSConf struct {
// AWS profile to use
Profile string `json:"profile"`
// AWS region to use
Region string `json:"region"`
// S3 bucket name
S3Bucket string `json:"s3Bucket"`
// /bucket/path/to/results
S3ResultsDir string `json:"s3ResultsDir"`
// The Server-side encryption algorithm used when storing the reports in S3 (e.g., AES256, aws:kms).
S3ServerSideEncryption string `json:"s3ServerSideEncryption"`
}
// AzureConf is azure config
type AzureConf struct {
// Azure account name to use. AZURE_STORAGE_ACCOUNT environment variable is used if not specified
AccountName string `json:"accountName"`
// Azure account key to use. AZURE_STORAGE_ACCESS_KEY environment variable is used if not specified
AccountKey string `json:"-"`
// Azure storage container name
ContainerName string `json:"containerName"`
}
// WpScanConf is wpscan.com config
type WpScanConf struct {
Token string `toml:"Token,omitempty" json:"-"`
DetectInactive bool `toml:"detectInactive,omitempty" json:"detectInactive,omitempty"`
}
// ServerInfo has SSH Info, additional CPE packages to scan.
type ServerInfo struct {
ServerName string `toml:"-" json:"serverName,omitempty"`
User string `toml:"user,omitempty" json:"user,omitempty"`
Host string `toml:"host,omitempty" json:"host,omitempty"`
JumpServer []string `toml:"jumpServer,omitempty" json:"jumpServer,omitempty"`
Port string `toml:"port,omitempty" json:"port,omitempty"`
SSHConfigPath string `toml:"sshConfigPath,omitempty" json:"sshConfigPath,omitempty"`
KeyPath string `toml:"keyPath,omitempty" json:"keyPath,omitempty"`
KeyPassword string `json:"-" toml:"-"`
CpeNames []string `toml:"cpeNames,omitempty" json:"cpeNames,omitempty"`
ScanMode []string `toml:"scanMode,omitempty" json:"scanMode,omitempty"`
ScanModules []string `toml:"scanModules,omitempty" json:"scanModules,omitempty"`
OwaspDCXMLPath string `toml:"owaspDCXMLPath,omitempty" json:"owaspDCXMLPath,omitempty"`
ContainersOnly bool `toml:"containersOnly,omitempty" json:"containersOnly,omitempty"`
ContainersIncluded []string `toml:"containersIncluded,omitempty" json:"containersIncluded,omitempty"`
ContainersExcluded []string `toml:"containersExcluded,omitempty" json:"containersExcluded,omitempty"`
ContainerType string `toml:"containerType,omitempty" json:"containerType,omitempty"`
Containers map[string]ContainerSetting `toml:"containers,omitempty" json:"containers,omitempty"`
IgnoreCves []string `toml:"ignoreCves,omitempty" json:"ignoreCves,omitempty"`
IgnorePkgsRegexp []string `toml:"ignorePkgsRegexp,omitempty" json:"ignorePkgsRegexp,omitempty"`
GitHubRepos map[string]GitHubConf `toml:"githubs" json:"githubs,omitempty"` // key: owner/repo
UUIDs map[string]string `toml:"uuids,omitempty" json:"uuids,omitempty"`
Memo string `toml:"memo,omitempty" json:"memo,omitempty"`
Enablerepo []string `toml:"enablerepo,omitempty" json:"enablerepo,omitempty"` // For CentOS, RHEL, Amazon
Optional map[string]interface{} `toml:"optional,omitempty" json:"optional,omitempty"` // Optional key-value set that will be outputted to JSON
Lockfiles []string `toml:"lockfiles,omitempty" json:"lockfiles,omitempty"` // ie) path/to/package-lock.json
FindLock bool `toml:"findLock,omitempty" json:"findLock,omitempty"`
Type string `toml:"type,omitempty" json:"type,omitempty"` // "pseudo" or ""
IgnoredJSONKeys []string `toml:"ignoredJSONKeys,omitempty" json:"ignoredJSONKeys,omitempty"`
IPv4Addrs []string `toml:"-" json:"ipv4Addrs,omitempty"`
IPv6Addrs []string `toml:"-" json:"ipv6Addrs,omitempty"`
IPSIdentifiers map[IPS]string `toml:"-" json:"ipsIdentifiers,omitempty"`
WordPress *WordPressConf `toml:"wordpress,omitempty" json:"wordpress,omitempty"`
// internal use
LogMsgAnsiColor string `toml:"-" json:"-"` // DebugLog Color
Container Container `toml:"-" json:"-"`
Distro Distro `toml:"-" json:"-"`
Mode ScanMode `toml:"-" json:"-"`
Module ScanModule `toml:"-" json:"-"`
}
// ContainerSetting is used for loading container setting in config.toml
type ContainerSetting struct {
Cpes []string `json:"cpes,omitempty"`
OwaspDCXMLPath string `json:"owaspDCXMLPath,omitempty"`
IgnorePkgsRegexp []string `json:"ignorePkgsRegexp,omitempty"`
IgnoreCves []string `json:"ignoreCves,omitempty"`
}
// WordPressConf used for WordPress Scanning
type WordPressConf struct {
OSUser string `toml:"osUser,omitempty" json:"osUser,omitempty"`
DocRoot string `toml:"docRoot,omitempty" json:"docRoot,omitempty"`
CmdPath string `toml:"cmdPath,omitempty" json:"cmdPath,omitempty"`
}
// IsZero return whether this struct is not specified in config.toml
func (cnf WordPressConf) IsZero() bool {
return cnf.OSUser == "" && cnf.DocRoot == "" && cnf.CmdPath == ""
}
// GitHubConf is used for GitHub Security Alerts
type GitHubConf struct {
Token string `json:"-"`
}
// GetServerName returns ServerName if this serverInfo is about host.
// If this serverInfo is about a container, returns containerID@ServerName
func (s ServerInfo) GetServerName() string {
if len(s.Container.ContainerID) == 0 {
return s.ServerName
}
return fmt.Sprintf("%s@%s", s.Container.Name, s.ServerName)
}
// Distro has distribution info
type Distro struct {
Family string
Release string
}
func (l Distro) String() string {
return fmt.Sprintf("%s %s", l.Family, l.Release)
}
// MajorVersion returns Major version
func (l Distro) MajorVersion() (int, error) {
if l.Family == Amazon {
if isAmazonLinux1(l.Release) {
return 1, nil
}
return 2, nil
}
if 0 < len(l.Release) {
return strconv.Atoi(strings.Split(l.Release, ".")[0])
}
return 0, xerrors.New("Release is empty")
}
// IsContainer returns whether this ServerInfo is about container
func (s ServerInfo) IsContainer() bool {
return 0 < len(s.Container.ContainerID)
}
// SetContainer set container
func (s *ServerInfo) SetContainer(d Container) {
s.Container = d
}
// Container has Container information.
type Container struct {
ContainerID string
Name string
Image string
}