mirror of
https://github.com/byReqz/probehost2.git
synced 2024-11-14 19:23:14 +00:00
add nping handler, port support and fmt code
This commit is contained in:
Nils
parent
a94503ba7a
commit
955f1253af
GPG Key ID:
396A62D7D436749E
367
main.go
367
main.go
@ -1,16 +1,16 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"strings"
|
||||
"net/http"
|
||||
"net"
|
||||
"strconv"
|
||||
|
||||
log "github.com/sirupsen/logrus"
|
||||
flag "github.com/spf13/pflag"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/http"
|
||||
"os"
|
||||
"os/exec"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
log "github.com/sirupsen/logrus"
|
||||
flag "github.com/spf13/pflag"
|
||||
)
|
||||
|
||||
var logstdout = log.New()
|
||||
@ -21,181 +21,218 @@ var disablexforwardedfor bool
|
||||
var allowprivate bool
|
||||
|
||||
func init() {
|
||||
logstdout.SetFormatter(&log.TextFormatter{
|
||||
FullTimestamp: true})
|
||||
logstdout.SetOutput(os.Stdout)
|
||||
logstdout.SetLevel(log.InfoLevel)
|
||||
var logfilepath string
|
||||
logstdout.SetFormatter(&log.TextFormatter{
|
||||
FullTimestamp: true})
|
||||
logstdout.SetOutput(os.Stdout)
|
||||
logstdout.SetLevel(log.InfoLevel)
|
||||
var logfilepath string
|
||||
|
||||
if _, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists == true {
|
||||
logfilepath, _ = os.LookupEnv("PROBEHOST_LOGPATH")
|
||||
} else {
|
||||
logfilepath = "probehost2.log"
|
||||
}
|
||||
if exists, _ := os.LookupEnv("PROBEHOST_ALLOW_PRIVATE"); exists == "true" {
|
||||
allowprivate = true
|
||||
} else {
|
||||
allowprivate = false
|
||||
}
|
||||
if envvalue, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists == true {
|
||||
var err error
|
||||
listenport, err = strconv.Atoi(envvalue)
|
||||
if err != nil {
|
||||
logstdout.Fatal("Failed to read PROBEHOST_LISTEN_PORT: ", err.Error())
|
||||
}
|
||||
} else {
|
||||
listenport = 8000
|
||||
}
|
||||
if exists, _ := os.LookupEnv("PROBEHOST_DISABLE_X_FORWARDED_FOR"); exists == "true" {
|
||||
disablexforwardedfor = true
|
||||
} else {
|
||||
disablexforwardedfor = false
|
||||
}
|
||||
flag.StringVarP(&logfilepath, "logfilepath", "o", logfilepath, "sets the output file for the log")
|
||||
flag.IntVarP(&listenport, "port", "p", listenport, "sets the port to listen on")
|
||||
flag.BoolVarP(&disablexforwardedfor, "disable-x-forwarded-for", "x", disablexforwardedfor, "whether to show x-forwarded-for or the requesting IP")
|
||||
flag.BoolVarP(&allowprivate, "allow-private", "l", allowprivate, "whether to show lookups of private IP ranges")
|
||||
flag.Parse()
|
||||
if _, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists == true {
|
||||
logfilepath, _ = os.LookupEnv("PROBEHOST_LOGPATH")
|
||||
} else {
|
||||
logfilepath = "probehost2.log"
|
||||
}
|
||||
if exists, _ := os.LookupEnv("PROBEHOST_ALLOW_PRIVATE"); exists == "true" {
|
||||
allowprivate = true
|
||||
} else {
|
||||
allowprivate = false
|
||||
}
|
||||
if envvalue, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists == true {
|
||||
var err error
|
||||
listenport, err = strconv.Atoi(envvalue)
|
||||
if err != nil {
|
||||
logstdout.Fatal("Failed to read PROBEHOST_LISTEN_PORT: ", err.Error())
|
||||
}
|
||||
} else {
|
||||
listenport = 8000
|
||||
}
|
||||
if exists, _ := os.LookupEnv("PROBEHOST_DISABLE_X_FORWARDED_FOR"); exists == "true" {
|
||||
disablexforwardedfor = true
|
||||
} else {
|
||||
disablexforwardedfor = false
|
||||
}
|
||||
flag.StringVarP(&logfilepath, "logfilepath", "o", logfilepath, "sets the output file for the log")
|
||||
flag.IntVarP(&listenport, "port", "p", listenport, "sets the port to listen on")
|
||||
flag.BoolVarP(&disablexforwardedfor, "disable-x-forwarded-for", "x", disablexforwardedfor, "whether to show x-forwarded-for or the requesting IP")
|
||||
flag.BoolVarP(&allowprivate, "allow-private", "l", allowprivate, "whether to show lookups of private IP ranges")
|
||||
flag.Parse()
|
||||
|
||||
logpath, err := os.OpenFile(logfilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0660)
|
||||
if err != nil {
|
||||
logstdout.Fatal("Failed to initialize the logfile: ", err.Error())
|
||||
}
|
||||
logfile.SetLevel(log.InfoLevel)
|
||||
logfile.SetOutput(logpath)
|
||||
logfile.Info("probehost2 initialized")
|
||||
logpath, err := os.OpenFile(logfilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0660)
|
||||
if err != nil {
|
||||
logstdout.Fatal("Failed to initialize the logfile: ", err.Error())
|
||||
}
|
||||
logfile.SetLevel(log.InfoLevel)
|
||||
logfile.SetOutput(logpath)
|
||||
logfile.Info("probehost2 initialized")
|
||||
}
|
||||
|
||||
func runner(remoteip string, command string, args... string) string{
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
}).Info("request initiated:")
|
||||
cmd, err := exec.Command(command, args...).Output()
|
||||
if err != nil {
|
||||
logstdout.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
} else {
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
}).Info("request succeeded:")
|
||||
}
|
||||
return string(cmd)
|
||||
func runner(remoteip string, command string, args ...string) string {
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
}).Info("request initiated:")
|
||||
cmd, err := exec.Command(command, args...).Output()
|
||||
if err != nil {
|
||||
logstdout.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
} else {
|
||||
logfile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
}).Info("request succeeded:")
|
||||
}
|
||||
return string(cmd)
|
||||
}
|
||||
|
||||
func validatehosts(hosts []string) []string{
|
||||
var valid []string
|
||||
for _, host := range hosts {
|
||||
if hostparse := net.ParseIP(host); hostparse != nil {
|
||||
if (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) && allowprivate {
|
||||
valid = append(valid, host)
|
||||
} else if ! (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) {
|
||||
valid = append(valid, host)
|
||||
}
|
||||
} else if _, err := net.LookupIP(host); err == nil {
|
||||
valid = append(valid, host)
|
||||
}
|
||||
}
|
||||
return valid
|
||||
func validatehosts(hosts []string) ([]string, []string) {
|
||||
var validhosts []string
|
||||
var validports []string
|
||||
for _, host := range hosts {
|
||||
split := strings.Split(host, "_")
|
||||
host = split[0]
|
||||
if hostparse := net.ParseIP(host); hostparse != nil {
|
||||
if (net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) && allowprivate {
|
||||
validhosts = append(validhosts, host)
|
||||
} else if !(net.IP.IsPrivate(hostparse) || net.IP.IsLoopback(hostparse)) {
|
||||
validhosts = append(validhosts, host)
|
||||
}
|
||||
} else if _, err := net.LookupIP(host); err == nil {
|
||||
validhosts = append(validhosts, host)
|
||||
}
|
||||
|
||||
var port string
|
||||
if len(split) > 1 {
|
||||
port = split[1]
|
||||
_, err := strconv.Atoi(port) // validate if port is just an int
|
||||
if err == nil {
|
||||
validports = append(validports, port)
|
||||
} else {
|
||||
validports = append(validports, "0")
|
||||
}
|
||||
} else {
|
||||
validports = append(validports, "0")
|
||||
}
|
||||
}
|
||||
return validhosts, validports
|
||||
}
|
||||
|
||||
func parseopts(options []string, cmdopts map[string]string) []string{
|
||||
var opts []string
|
||||
for _, opt := range options {
|
||||
opts = append(opts, cmdopts[opt])
|
||||
}
|
||||
return opts
|
||||
func parseopts(options []string, cmdopts map[string]string) []string {
|
||||
var opts []string
|
||||
for _, opt := range options {
|
||||
opts = append(opts, cmdopts[opt])
|
||||
}
|
||||
return opts
|
||||
}
|
||||
|
||||
func prerunner(req *http.Request, cmd string, cmdopts map[string]string, defaultopts []string) string{
|
||||
geturl := strings.Split(req.URL.String(), "/")
|
||||
targets := strings.Split(geturl[2], ",")
|
||||
hosts := validatehosts(targets)
|
||||
var opts []string
|
||||
opts = append(opts, defaultopts...)
|
||||
if len(geturl) > 3 && len(geturl[3]) > 0 {
|
||||
options := strings.Split(geturl[3], ",")
|
||||
opts = append(opts, parseopts(options, cmdopts)...)
|
||||
}
|
||||
var res string
|
||||
var args []string
|
||||
var remoteaddr string
|
||||
if req.Header.Get("X-Forwarded-For") != "" && disablexforwardedfor != true {
|
||||
remoteaddr = req.Header.Get("X-Forwarded-For")
|
||||
} else {
|
||||
remoteaddr = req.RemoteAddr
|
||||
}
|
||||
for _, host := range hosts {
|
||||
args = append(args, opts...)
|
||||
args = append(args, host)
|
||||
res = fmt.Sprint(res, runner(remoteaddr, cmd, args...), "\n")
|
||||
}
|
||||
return res
|
||||
func prerunner(req *http.Request, cmd string, cmdopts map[string]string, defaultopts []string) string {
|
||||
geturl := strings.Split(req.URL.String(), "/")
|
||||
targets := strings.Split(geturl[2], ",")
|
||||
hosts, ports := validatehosts(targets)
|
||||
var opts []string
|
||||
opts = append(opts, defaultopts...)
|
||||
if len(geturl) > 3 && len(geturl[3]) > 0 {
|
||||
options := strings.Split(geturl[3], ",")
|
||||
opts = append(opts, parseopts(options, cmdopts)...)
|
||||
}
|
||||
var res string
|
||||
var args []string
|
||||
var remoteaddr string
|
||||
if req.Header.Get("X-Forwarded-For") != "" && disablexforwardedfor != true {
|
||||
remoteaddr = req.Header.Get("X-Forwarded-For")
|
||||
} else {
|
||||
remoteaddr = req.RemoteAddr
|
||||
}
|
||||
for i, host := range hosts {
|
||||
if ports[i] != "0" && cmd == "nping" {
|
||||
args = append(args, "-p"+ports[i])
|
||||
}
|
||||
args = append(args, opts...)
|
||||
args = append(args, host)
|
||||
fmt.Println(remoteaddr, cmd, args)
|
||||
res = fmt.Sprint(res, runner(remoteaddr, cmd, args...), "\n")
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
func ping(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "ping"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "d": "-D", "n": "-n", "v": "-v", "c1": "-c1", "c5": "-c5", "c10": "-c10",
|
||||
"force4": "-4", "force6": "-6", "timestamps": "-D", "nodns": "-n", "verbose": "-v", "count1": "-c1", "count5": "-c5", "count10": "-c10",
|
||||
}
|
||||
var defaultopts []string
|
||||
defaultopts = append(defaultopts, "-c10")
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
cmd := "ping"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "d": "-D", "n": "-n", "v": "-v", "c1": "-c1", "c5": "-c5", "c10": "-c10",
|
||||
"force4": "-4", "force6": "-6", "timestamps": "-D", "nodns": "-n", "verbose": "-v", "count1": "-c1", "count5": "-c5", "count10": "-c10",
|
||||
}
|
||||
var defaultopts []string
|
||||
defaultopts = append(defaultopts, "-c10")
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
}
|
||||
|
||||
func mtr(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "mtr"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "u": "-u", "t": "-T", "e": "-e", "x": "-x", "n": "-n", "b": "-b", "z": "-z", "c1": "-c1", "c5": "-c5", "c10": "-c10",
|
||||
"force4": "-4", "force6": "-6", "udp": "-u", "tcp": "-T", "ext": "-e", "xml": "-x", "nodns": "-n", "cmb": "-b", "asn": "-z", "count1": "-c1", "count5": "-c5", "count10": "-c10",
|
||||
}
|
||||
var defaultopts []string
|
||||
defaultopts = append(defaultopts, "-r", "-w", "-c10")
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
cmd := "mtr"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "u": "-u", "t": "-T", "e": "-e", "x": "-x", "n": "-n", "b": "-b", "z": "-z", "c1": "-c1", "c5": "-c5", "c10": "-c10",
|
||||
"force4": "-4", "force6": "-6", "udp": "-u", "tcp": "-T", "ext": "-e", "xml": "-x", "nodns": "-n", "cmb": "-b", "asn": "-z", "count1": "-c1", "count5": "-c5", "count10": "-c10",
|
||||
}
|
||||
var defaultopts []string
|
||||
defaultopts = append(defaultopts, "-r", "-w", "-c10")
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
}
|
||||
|
||||
func traceroute(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "traceroute"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "f": "-F", "i": "-I", "t": "-T", "n": "-n", "u": "-U", "ul": "-UL", "d": "-D", "b": "--back",
|
||||
"force4": "-4", "force6": "-6", "dnf": "-F", "icmp": "-I", "tcp": "-T", "nodns": "-n", "udp": "-U", "udplite": "-UL", "dccp": "-D", "back": "--back",
|
||||
}
|
||||
var defaultopts []string
|
||||
//defaultopts = append(defaultopts) // no default options for traceroute
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
cmd := "traceroute"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "f": "-F", "i": "-I", "t": "-T", "n": "-n", "u": "-U", "ul": "-UL", "d": "-D", "b": "--back",
|
||||
"force4": "-4", "force6": "-6", "dnf": "-F", "icmp": "-I", "tcp": "-T", "nodns": "-n", "udp": "-U", "udplite": "-UL", "dccp": "-D", "back": "--back",
|
||||
}
|
||||
var defaultopts []string
|
||||
//defaultopts = append(defaultopts) // no default options for traceroute
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
}
|
||||
|
||||
func nping(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "nping"
|
||||
cmdopts := map[string]string{
|
||||
"4": "-4", "6": "-6", "u": "--udp", "t": "--tcp-connect", "v": "-v", "c1": "-c1", "c3": "-c3", "c5": "-c5",
|
||||
"force4": "-4", "force6": "-6", "udp": "--udp", "tcp": "--tcp-connect", "verbose": "-v", "count1": "-c1", "count3": "-c3", "count5": "-c5",
|
||||
}
|
||||
var defaultopts []string
|
||||
defaultopts = append(defaultopts, "-c3")
|
||||
res := prerunner(req, cmd, cmdopts, defaultopts)
|
||||
if strings.TrimSpace(res) == "" {
|
||||
fmt.Fprintln(w, http.StatusInternalServerError)
|
||||
} else {
|
||||
fmt.Fprint(w, strings.TrimSpace(res), "\n")
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
http.HandleFunc("/ping/", ping)
|
||||
http.HandleFunc("/mtr/", mtr)
|
||||
http.HandleFunc("/tracert/", traceroute)
|
||||
http.HandleFunc("/traceroute/", traceroute)
|
||||
logstdout.Info("Serving on :", listenport)
|
||||
logfile.Info("Serving on :", listenport)
|
||||
http.ListenAndServe(fmt.Sprint(":", listenport), nil)
|
||||
http.HandleFunc("/ping/", ping)
|
||||
http.HandleFunc("/mtr/", mtr)
|
||||
http.HandleFunc("/tracert/", traceroute)
|
||||
http.HandleFunc("/traceroute/", traceroute)
|
||||
http.HandleFunc("/nping/", nping)
|
||||
logstdout.Info("Serving on :", listenport)
|
||||
logfile.Info("Serving on :", listenport)
|
||||
http.ListenAndServe(fmt.Sprint(":", listenport), nil)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user