mirror of https://github.com/byReqz/probehost2.git
add nping handler, port support and fmt code
This commit is contained in:
Nils
parent
a94503ba7a
commit
955f1253af
GPG Key ID:
396A62D7D436749E
369
main.go
369
main.go
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@ -1,16 +1,16 @@
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package main
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"net/http"
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"net"
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"strconv"
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log "github.com/sirupsen/logrus"
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flag "github.com/spf13/pflag"
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"fmt"
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"net"
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"net/http"
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"os"
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"os/exec"
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"strconv"
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"strings"
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log "github.com/sirupsen/logrus"
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flag "github.com/spf13/pflag"
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)
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var logstdout = log.New()
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@ -21,181 +21,218 @@ var disablexforwardedfor bool
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var allowprivate bool
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func init() {
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logstdout.SetFormatter(&log.TextFormatter{
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FullTimestamp: true})
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logstdout.SetOutput(os.Stdout)
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logstdout.SetLevel(log.InfoLevel)
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var logfilepath string
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logstdout.SetFormatter(&log.TextFormatter{
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FullTimestamp: true})
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logstdout.SetOutput(os.Stdout)
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logstdout.SetLevel(log.InfoLevel)
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var logfilepath string
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if _, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists == true {
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logfilepath, _ = os.LookupEnv("PROBEHOST_LOGPATH")
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} else {
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logfilepath = "probehost2.log"
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}
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if exists, _ := os.LookupEnv("PROBEHOST_ALLOW_PRIVATE"); exists == "true" {
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allowprivate = true
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} else {
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allowprivate = false
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}
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if envvalue, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists == true {
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var err error
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listenport, err = strconv.Atoi(envvalue)
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if err != nil {
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logstdout.Fatal("Failed to read PROBEHOST_LISTEN_PORT: ", err.Error())
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}
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} else {
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listenport = 8000
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}
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if exists, _ := os.LookupEnv("PROBEHOST_DISABLE_X_FORWARDED_FOR"); exists == "true" {
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disablexforwardedfor = true
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} else {
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disablexforwardedfor = false
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}
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flag.StringVarP(&logfilepath, "logfilepath", "o", logfilepath, "sets the output file for the log")
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flag.IntVarP(&listenport, "port", "p", listenport, "sets the port to listen on")
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flag.BoolVarP(&disablexforwardedfor, "disable-x-forwarded-for", "x", disablexforwardedfor, "whether to show x-forwarded-for or the requesting IP")
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flag.BoolVarP(&allowprivate, "allow-private", "l", allowprivate, "whether to show lookups of private IP ranges")
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flag.Parse()
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if _, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists == true {
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logfilepath, _ = os.LookupEnv("PROBEHOST_LOGPATH")
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} else {
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logfilepath = "probehost2.log"
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}
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if exists, _ := os.LookupEnv("PROBEHOST_ALLOW_PRIVATE"); exists == "true" {
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allowprivate = true
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} else {
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allowprivate = false
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}
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if envvalue, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists == true {
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var err error
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listenport, err = strconv.Atoi(envvalue)
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if err != nil {
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logstdout.Fatal("Failed to read PROBEHOST_LISTEN_PORT: ", err.Error())
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}
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} else {
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listenport = 8000
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}
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if exists, _ := os.LookupEnv("PROBEHOST_DISABLE_X_FORWARDED_FOR"); exists == "true" {
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disablexforwardedfor = true
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} else {
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disablexforwardedfor = false
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}
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flag.StringVarP(&logfilepath, "logfilepath", "o", logfilepath, "sets the output file for the log")
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flag.IntVarP(&listenport, "port", "p", listenport, "sets the port to listen on")
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flag.BoolVarP(&disablexforwardedfor, "disable-x-forwarded-for", "x", disablexforwardedfor, "whether to show x-forwarded-for or the requesting IP")
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flag.BoolVarP(&allowprivate, "allow-private", "l", allowprivate, "whether to show lookups of private IP ranges")
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flag.Parse()
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logpath, err := os.OpenFile(logfilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0660)
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if err != nil {
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logstdout.Fatal("Failed to initialize the logfile: ", err.Error())
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}
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logfile.SetLevel(log.InfoLevel)
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logfile.SetOutput(logpath)
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logfile.Info("probehost2 initialized")
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logpath, err := os.OpenFile(logfilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0660)
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if err != nil {
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logstdout.Fatal("Failed to initialize the logfile: ", err.Error())
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}
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logfile.SetLevel(log.InfoLevel)
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logfile.SetOutput(logpath)
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logfile.Info("probehost2 initialized")
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}
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func runner(remoteip string, command string, args... string) string{
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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}).Info("request initiated:")
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cmd, err := exec.Command(command, args...).Output()
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if err != nil {
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logstdout.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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"error": err.Error(),
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}).Warn("request failed:")
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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"error": err.Error(),
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}).Warn("request failed:")
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} else {
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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}).Info("request succeeded:")
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}
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return string(cmd)
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func runner(remoteip string, command string, args ...string) string {
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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}).Info("request initiated:")
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cmd, err := exec.Command(command, args...).Output()
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if err != nil {
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logstdout.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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"error": err.Error(),
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}).Warn("request failed:")
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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"error": err.Error(),
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}).Warn("request failed:")
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} else {
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logfile.WithFields(log.Fields{
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"remote_ip": remoteip,
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"command": fmt.Sprint(command, args),
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}).Info("request succeeded:")
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}
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return string(cmd)
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}
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func validatehosts(hosts []string) []string{
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var valid []string
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for _, host := range hosts {
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if hostparse := net.ParseIP(host); hostparse != nil {
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if (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) && allowprivate {
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valid = append(valid, host)
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} else if ! (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) {
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valid = append(valid, host)
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}
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} else if _, err := net.LookupIP(host); err == nil {
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valid = append(valid, host)
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}
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}
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return valid
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func validatehosts(hosts []string) ([]string, []string) {
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var validhosts []string
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var validports []string
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for _, host := range hosts {
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split := strings.Split(host, "_")
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host = split[0]
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if hostparse := net.ParseIP(host); hostparse != nil {
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if (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) && allowprivate {
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validhosts = append(validhosts, host)
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} else if !(net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) {
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validhosts = append(validhosts, host)
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}
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} else if _, err := net.LookupIP(host); err == nil {
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validhosts = append(validhosts, host)
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}
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var port string
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if len(split) > 1 {
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port = split[1]
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_, err := strconv.Atoi(port) // validate if port is just an int
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if err == nil {
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validports = append(validports, port)
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} else {
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validports = append(validports, "0")
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}
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} else {
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validports = append(validports, "0")
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}
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}
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return validhosts, validports
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}
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func parseopts(options []string, cmdopts map[string]string) []string{
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var opts []string
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for _, opt := range options {
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opts = append(opts, cmdopts[opt])
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}
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return opts
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func parseopts(options []string, cmdopts map[string]string) []string {
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var opts []string
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for _, opt := range options {
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opts = append(opts, cmdopts[opt])
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}
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return opts
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}
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func prerunner(req *http.Request, cmd string, cmdopts map[string]string, defaultopts []string) string{
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geturl := strings.Split(req.URL.String(), "/")
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targets := strings.Split(geturl[2], ",")
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hosts := validatehosts(targets)
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var opts []string
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opts = append(opts, defaultopts...)
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if len(geturl) > 3 && len(geturl[3]) > 0 {
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options := strings.Split(geturl[3], ",")
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opts = append(opts, parseopts(options, cmdopts)...)
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}
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var res string
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var args []string
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var remoteaddr string
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if req.Header.Get("X-Forwarded-For") != "" && disablexforwardedfor != true {
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remoteaddr = req.Header.Get("X-Forwarded-For")
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} else {
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remoteaddr = req.RemoteAddr
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}
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for _, host := range hosts {
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args = append(args, opts...)
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args = append(args, host)
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res = fmt.Sprint(res, runner(remoteaddr, cmd, args...), "\n")
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}
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return res
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func prerunner(req *http.Request, cmd string, cmdopts map[string]string, defaultopts []string) string {
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geturl := strings.Split(req.URL.String(), "/")
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targets := strings.Split(geturl[2], ",")
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hosts, ports := validatehosts(targets)
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var opts []string
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opts = append(opts, defaultopts...)
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if len(geturl) > 3 && len(geturl[3]) > 0 {
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options := strings.Split(geturl[3], ",")
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opts = append(opts, parseopts(options, cmdopts)...)
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}
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var res string
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var args []string
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var remoteaddr string
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if req.Header.Get("X-Forwarded-For") != "" && disablexforwardedfor != true {
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remoteaddr = req.Header.Get("X-Forwarded-For")
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} else {
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remoteaddr = req.RemoteAddr
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}
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for i, host := range hosts {
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if ports[i] != "0" && cmd == "nping" {
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args = append(args, "-p"+ports[i])
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}
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args = append(args, opts...)
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args = append(args, host)
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fmt.Println(remoteaddr, cmd, args)
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res = fmt.Sprint(res, runner(remoteaddr, cmd, args...), "\n")
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}
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return res
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}
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func ping(w http.ResponseWriter, req *http.Request) {
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cmd := "ping"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "d": "-D", "n": "-n", "v": "-v", "c1": "-c1", "c5": "-c5", "c10": "-c10",
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"force4": "-4", "force6": "-6", "timestamps": "-D", "nodns": "-n", "verbose": "-v", "count1": "-c1", "count5": "-c5", "count10": "-c10",
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}
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var defaultopts []string
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defaultopts = append(defaultopts, "-c10")
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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cmd := "ping"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "d": "-D", "n": "-n", "v": "-v", "c1": "-c1", "c5": "-c5", "c10": "-c10",
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"force4": "-4", "force6": "-6", "timestamps": "-D", "nodns": "-n", "verbose": "-v", "count1": "-c1", "count5": "-c5", "count10": "-c10",
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}
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var defaultopts []string
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defaultopts = append(defaultopts, "-c10")
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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}
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func mtr(w http.ResponseWriter, req *http.Request) {
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cmd := "mtr"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "u": "-u", "t": "-T", "e": "-e", "x": "-x", "n": "-n", "b": "-b", "z": "-z", "c1": "-c1", "c5": "-c5", "c10": "-c10",
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"force4": "-4", "force6": "-6", "udp": "-u", "tcp": "-T", "ext": "-e", "xml": "-x", "nodns": "-n", "cmb": "-b", "asn": "-z", "count1": "-c1", "count5": "-c5", "count10": "-c10",
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}
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var defaultopts []string
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defaultopts = append(defaultopts, "-r", "-w", "-c10")
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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cmd := "mtr"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "u": "-u", "t": "-T", "e": "-e", "x": "-x", "n": "-n", "b": "-b", "z": "-z", "c1": "-c1", "c5": "-c5", "c10": "-c10",
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"force4": "-4", "force6": "-6", "udp": "-u", "tcp": "-T", "ext": "-e", "xml": "-x", "nodns": "-n", "cmb": "-b", "asn": "-z", "count1": "-c1", "count5": "-c5", "count10": "-c10",
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}
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var defaultopts []string
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defaultopts = append(defaultopts, "-r", "-w", "-c10")
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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}
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func traceroute(w http.ResponseWriter, req *http.Request) {
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cmd := "traceroute"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "f": "-F", "i": "-I", "t": "-T", "n": "-n", "u": "-U", "ul": "-UL", "d": "-D", "b": "--back",
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"force4": "-4", "force6": "-6", "dnf": "-F", "icmp": "-I", "tcp": "-T", "nodns": "-n", "udp": "-U", "udplite": "-UL", "dccp": "-D", "back": "--back",
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}
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var defaultopts []string
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//defaultopts = append(defaultopts) // no default options for traceroute
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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cmd := "traceroute"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "f": "-F", "i": "-I", "t": "-T", "n": "-n", "u": "-U", "ul": "-UL", "d": "-D", "b": "--back",
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"force4": "-4", "force6": "-6", "dnf": "-F", "icmp": "-I", "tcp": "-T", "nodns": "-n", "udp": "-U", "udplite": "-UL", "dccp": "-D", "back": "--back",
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}
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var defaultopts []string
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//defaultopts = append(defaultopts) // no default options for traceroute
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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}
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func nping(w http.ResponseWriter, req *http.Request) {
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cmd := "nping"
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cmdopts := map[string]string{
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"4": "-4", "6": "-6", "u": "--udp", "t": "--tcp-connect", "v": "-v", "c1": "-c1", "c3": "-c3", "c5": "-c5",
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"force4": "-4", "force6": "-6", "udp": "--udp", "tcp": "--tcp-connect", "verbose": "-v", "count1": "-c1", "count3": "-c3", "count5": "-c5",
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}
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var defaultopts []string
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defaultopts = append(defaultopts, "-c3")
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res := prerunner(req, cmd, cmdopts, defaultopts)
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if strings.TrimSpace(res) == "" {
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fmt.Fprintln(w, http.StatusInternalServerError)
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} else {
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fmt.Fprint(w, strings.TrimSpace(res), "\n")
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}
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}
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func main() {
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http.HandleFunc("/ping/", ping)
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http.HandleFunc("/mtr/", mtr)
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http.HandleFunc("/tracert/", traceroute)
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http.HandleFunc("/traceroute/", traceroute)
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logstdout.Info("Serving on :", listenport)
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logfile.Info("Serving on :", listenport)
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http.ListenAndServe(fmt.Sprint(":", listenport), nil)
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}
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http.HandleFunc("/ping/", ping)
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http.HandleFunc("/mtr/", mtr)
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http.HandleFunc("/tracert/", traceroute)
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http.HandleFunc("/traceroute/", traceroute)
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http.HandleFunc("/nping/", nping)
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logstdout.Info("Serving on :", listenport)
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logfile.Info("Serving on :", listenport)
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http.ListenAndServe(fmt.Sprint(":", listenport), nil)
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}
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