mirror of
https://github.com/xvzc/SpoofDPI.git
synced 2024-12-22 14:26:31 +00:00
119 lines
3.1 KiB
Go
119 lines
3.1 KiB
Go
package util
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import (
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"flag"
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"fmt"
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"regexp"
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"strings"
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"github.com/pterm/pterm"
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"github.com/pterm/pterm/putils"
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log "github.com/sirupsen/logrus"
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)
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type Config struct {
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Addr *string
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Port *int
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DnsAddr *string
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DnsPort *int
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EnableDoh *bool
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Debug *bool
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NoBanner *bool
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Timeout *int
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AllowedPattern *regexp.Regexp
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AllowedUrls *regexp.Regexp
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}
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type ArrayFlags []string
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func (i *ArrayFlags) String() string {
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return "my string representation"
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}
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func (i *ArrayFlags) Set(value string) error {
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*i = append(*i, value)
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return nil
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}
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var config *Config
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var allowedHosts ArrayFlags
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var allowedPattern *string
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func GetConfig() *Config {
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return config
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}
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func (c *Config) PatternExists() bool {
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return c.AllowedPattern != nil || c.AllowedUrls != nil
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}
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func (c *Config) PatternMatches(bytes []byte) bool {
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return (c.AllowedPattern != nil && c.AllowedPattern.Match(bytes)) ||
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(c.AllowedUrls != nil && c.AllowedUrls.Match(bytes))
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}
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func ParseArgs() {
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config = &Config{}
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config.Addr = flag.String("addr", "127.0.0.1", "Listen addr")
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config.Port = flag.Int("port", 8080, "port")
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config.DnsAddr = flag.String("dns-addr", "8.8.8.8", "DNS addr")
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config.DnsPort = flag.Int("dns-port", 53, "DNS port")
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config.EnableDoh = flag.Bool("enable-doh", false, "Enable DOH")
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config.Debug = flag.Bool("debug", false, "Enable debug output")
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config.NoBanner = flag.Bool("no-banner", false, "Disable banner")
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config.Timeout = flag.Int("timeout", 2000, "timeout in milliseconds")
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flag.Var(&allowedHosts, "url", "Bypass DPI only on this url, can be passed multiple times")
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allowedPattern = flag.String(
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"pattern",
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"",
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"Bypass DPI only on packets matching this regex pattern",
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)
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flag.Parse()
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if len(allowedHosts) > 0 {
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var escapedUrls []string
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for _, host := range allowedHosts {
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escapedUrls = append(escapedUrls, regexp.QuoteMeta(host))
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}
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allowedHostsRegex := strings.Join(escapedUrls, "|")
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config.AllowedUrls = regexp.MustCompile(allowedHostsRegex)
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}
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if *allowedPattern != "" {
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config.AllowedPattern = regexp.MustCompile(*allowedPattern)
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}
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}
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func PrintColoredBanner() {
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cyan := putils.LettersFromStringWithStyle("Spoof", pterm.NewStyle(pterm.FgCyan))
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purple := putils.LettersFromStringWithStyle("DPI", pterm.NewStyle(pterm.FgLightMagenta))
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pterm.DefaultBigText.WithLetters(cyan, purple).Render()
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pterm.DefaultBulletList.WithItems([]pterm.BulletListItem{
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{Level: 0, Text: "ADDR : " + fmt.Sprint(*config.Addr)},
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{Level: 0, Text: "PORT : " + fmt.Sprint(*config.Port)},
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{Level: 0, Text: "DNS : " + fmt.Sprint(*config.DnsAddr)},
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{Level: 0, Text: "DEBUG : " + fmt.Sprint(*config.Debug)},
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}).Render()
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if allowedHosts != nil && len(allowedHosts) > 0 {
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log.Info("White listed urls: ", allowedHosts)
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}
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if *allowedPattern != "" {
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log.Info("Regex Pattern: ", *allowedPattern)
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}
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}
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func PrintSimpleInfo() {
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fmt.Println("")
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fmt.Println("- ADDR : ", *config.Addr)
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fmt.Println("- PORT : ", *config.Port)
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fmt.Println("- DNS : ", *config.DnsAddr)
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fmt.Println("- DEBUG : ", *config.Debug)
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fmt.Println("")
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}
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