mirror of
https://github.com/xvzc/SpoofDPI.git
synced 2024-12-22 14:26:31 +00:00
97 lines
3.0 KiB
Go
97 lines
3.0 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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"github.com/pterm/pterm"
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"github.com/pterm/pterm/putils"
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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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SystemProxy *bool
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Timeout *int
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AllowedPattern []*regexp.Regexp
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WindowSize *int
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Version *bool
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BufferSize *int
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}
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type StringArray []string
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func (arr *StringArray) String() string {
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return fmt.Sprintf("%s", *arr)
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}
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func (arr *StringArray) Set(value string) error {
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*arr = append(*arr, value)
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return nil
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}
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var config *Config
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func GetConfig() *Config {
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return config
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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 address")
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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 address")
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config.DnsPort = flag.Int("dns-port", 53, "port number for dns")
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config.EnableDoh = flag.Bool("enable-doh", false, "enable 'dns-over-https'")
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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.SystemProxy = flag.Bool("system-proxy", true, "enable system-wide proxy")
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config.Timeout = flag.Int("timeout", 0, "timeout in milliseconds; no timeout when not given")
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config.WindowSize = flag.Int("window-size", 0, `chunk size, in number of bytes, for fragmented client hello,
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try lower values if the default value doesn't bypass the DPI;
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when not given, the client hello packet will be sent in two parts:
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fragmentation for the first data packet and the rest
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`)
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config.Version = flag.Bool("v", false, "print spoof-dpi's version; this may contain some other relevant information")
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config.BufferSize = flag.Int("buffer-size", 1024, "buffer size, in number of bytes, is the maximum amount of data that can be read at once from a remote resource")
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var allowedPattern StringArray
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flag.Var(
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&allowedPattern,
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"pattern",
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"bypass DPI only on packets matching this regex pattern; can be given multiple times",
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)
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flag.Parse()
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for _, pattern := range allowedPattern {
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config.AllowedPattern = append(config.AllowedPattern, regexp.MustCompile(pattern))
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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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}
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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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