mirror of
https://github.com/byReqz/probehost2.git
synced 2024-12-25 12:21:48 +00:00
make things a bit less ugly
This commit is contained in:
Nils
parent
c6ffa0e628
commit
6c7564062f
GPG Key ID:
396A62D7D436749E
@ -77,6 +77,7 @@ https://[address]/[command]/[host](_[port]),[host].../[options]
|
||||
- ping
|
||||
- mtr
|
||||
- traceroute
|
||||
- nping
|
||||
- [host] = can be one or more hosts query, seperated by a comma
|
||||
- [port] = port to be queried, optional
|
||||
- [options] = options to run the command with, seperated by a comma
|
||||
|
||||
113
main.go
113
main.go
@ -13,78 +13,70 @@ import (
|
||||
flag "github.com/spf13/pflag"
|
||||
)
|
||||
|
||||
var logstdout = log.New()
|
||||
var logfile = log.New()
|
||||
var logStdout = log.New()
|
||||
var logFile = log.New()
|
||||
|
||||
var listenport int
|
||||
var disablexforwardedfor bool
|
||||
var allowprivate bool
|
||||
var listenPort = 8080 // port to listen on
|
||||
var disableXForwardedFor bool // whether to disable parsing the X-Forwarded-For header or not
|
||||
var allowPrivate bool // whether to allow private IP ranges or not
|
||||
|
||||
func init() {
|
||||
logstdout.SetFormatter(&log.TextFormatter{
|
||||
logStdout.SetFormatter(&log.TextFormatter{
|
||||
FullTimestamp: true})
|
||||
logstdout.SetOutput(os.Stdout)
|
||||
logstdout.SetLevel(log.InfoLevel)
|
||||
var logfilepath string
|
||||
logStdout.SetOutput(os.Stdout)
|
||||
logStdout.SetLevel(log.InfoLevel)
|
||||
|
||||
if _, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists {
|
||||
logfilepath, _ = os.LookupEnv("PROBEHOST_LOGPATH")
|
||||
} else {
|
||||
logfilepath = "probehost2.log"
|
||||
logFilePath := "probehost2.log"
|
||||
if val, exists := os.LookupEnv("PROBEHOST_LOGPATH"); exists {
|
||||
logFilePath = val
|
||||
}
|
||||
if exists, _ := os.LookupEnv("PROBEHOST_ALLOW_PRIVATE"); exists == "true" {
|
||||
allowprivate = true
|
||||
} else {
|
||||
allowprivate = false
|
||||
}
|
||||
if envvalue, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists {
|
||||
|
||||
_, allowPrivate = os.LookupEnv("PROBEHOST_ALLOW_PRIVATE")
|
||||
_, disableXForwardedFor = os.LookupEnv("PROBEHOST_DISABLE_X_FORWARDED_FOR")
|
||||
|
||||
if val, exists := os.LookupEnv("PROBEHOST_LISTEN_PORT"); exists {
|
||||
var err error
|
||||
listenport, err = strconv.Atoi(envvalue)
|
||||
listenPort, err = strconv.Atoi(val)
|
||||
if err != nil {
|
||||
logstdout.Fatal("Failed to read PROBEHOST_LISTEN_PORT: ", err.Error())
|
||||
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.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)
|
||||
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())
|
||||
logStdout.Fatal("Failed to initialize the logFile: ", err.Error())
|
||||
}
|
||||
logfile.SetLevel(log.InfoLevel)
|
||||
logfile.SetOutput(logpath)
|
||||
logfile.Info("probehost2 initialized")
|
||||
logFile.SetLevel(log.InfoLevel)
|
||||
logFile.SetOutput(logpath)
|
||||
logFile.Info("probehost2 initialized")
|
||||
}
|
||||
|
||||
// runner runs the given command with the given args and returns stdout as string. Also logs all executed commands and their exit state.
|
||||
func runner(remoteip string, command string, args ...string) string {
|
||||
logfile.WithFields(log.Fields{
|
||||
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{
|
||||
logStdout.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
logfile.WithFields(log.Fields{
|
||||
logFile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
"error": err.Error(),
|
||||
}).Warn("request failed:")
|
||||
} else {
|
||||
logfile.WithFields(log.Fields{
|
||||
logFile.WithFields(log.Fields{
|
||||
"remote_ip": remoteip,
|
||||
"command": fmt.Sprint(command, args),
|
||||
}).Info("request succeeded:")
|
||||
@ -92,20 +84,21 @@ func runner(remoteip string, command string, args ...string) string {
|
||||
return string(cmd)
|
||||
}
|
||||
|
||||
// validatehosts checks the given host+port combinations for validity and returns valid hosts + valid ports seperately.
|
||||
func validatehosts(hosts []string) ([]string, []string) {
|
||||
var validhosts []string
|
||||
var validports []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)
|
||||
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)
|
||||
validHosts = append(validHosts, host)
|
||||
}
|
||||
} else if _, err := net.LookupIP(host); err == nil {
|
||||
validhosts = append(validhosts, host)
|
||||
validHosts = append(validHosts, host)
|
||||
} else {
|
||||
continue
|
||||
}
|
||||
@ -115,17 +108,18 @@ func validatehosts(hosts []string) ([]string, []string) {
|
||||
port = split[1]
|
||||
_, err := strconv.Atoi(port) // validate if port is just an int
|
||||
if err == nil {
|
||||
validports = append(validports, port)
|
||||
validPorts = append(validPorts, port)
|
||||
} else {
|
||||
validports = append(validports, "0")
|
||||
validPorts = append(validPorts, "0")
|
||||
}
|
||||
} else {
|
||||
validports = append(validports, "0")
|
||||
validPorts = append(validPorts, "0")
|
||||
}
|
||||
}
|
||||
return validhosts, validports
|
||||
return validHosts, validPorts
|
||||
}
|
||||
|
||||
// parseopts matches the given user options to the valid optionmap.
|
||||
func parseopts(options []string, cmdopts map[string]string) []string {
|
||||
var opts []string
|
||||
for _, opt := range options {
|
||||
@ -134,6 +128,7 @@ func parseopts(options []string, cmdopts map[string]string) []string {
|
||||
return opts
|
||||
}
|
||||
|
||||
// prerunner processes the incoming request to send it to runner.
|
||||
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], ",")
|
||||
@ -146,11 +141,9 @@ func prerunner(req *http.Request, cmd string, cmdopts map[string]string, default
|
||||
}
|
||||
var res string
|
||||
var args []string
|
||||
var remoteaddr string
|
||||
if req.Header.Get("X-Forwarded-For") != "" && !disablexforwardedfor {
|
||||
remoteaddr := req.RemoteAddr
|
||||
if req.Header.Get("X-Forwarded-For") != "" && !disableXForwardedFor {
|
||||
remoteaddr = req.Header.Get("X-Forwarded-For")
|
||||
} else {
|
||||
remoteaddr = req.RemoteAddr
|
||||
}
|
||||
for i, host := range hosts {
|
||||
runargs := append(args, opts...)
|
||||
@ -163,6 +156,7 @@ func prerunner(req *http.Request, cmd string, cmdopts map[string]string, default
|
||||
return res
|
||||
}
|
||||
|
||||
// ping is the response handler for the ping command. It defines the allowed options.
|
||||
func ping(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "ping"
|
||||
cmdopts := map[string]string{
|
||||
@ -179,6 +173,7 @@ func ping(w http.ResponseWriter, req *http.Request) {
|
||||
}
|
||||
}
|
||||
|
||||
// mtr is the response handler for the mtr command. It defines the allowed options.
|
||||
func mtr(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "mtr"
|
||||
cmdopts := map[string]string{
|
||||
@ -195,6 +190,7 @@ func mtr(w http.ResponseWriter, req *http.Request) {
|
||||
}
|
||||
}
|
||||
|
||||
// traceroute is the response handler for the traceroute command. It defines the allowed options.
|
||||
func traceroute(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "traceroute"
|
||||
cmdopts := map[string]string{
|
||||
@ -211,6 +207,7 @@ func traceroute(w http.ResponseWriter, req *http.Request) {
|
||||
}
|
||||
}
|
||||
|
||||
// nping is the response handler for the nping command. It defines the allowed options.
|
||||
func nping(w http.ResponseWriter, req *http.Request) {
|
||||
cmd := "nping"
|
||||
cmdopts := map[string]string{
|
||||
@ -233,7 +230,7 @@ func main() {
|
||||
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)
|
||||
logStdout.Info("Serving on :", listenPort)
|
||||
logFile.Info("Serving on :", listenPort)
|
||||
_ = http.ListenAndServe(fmt.Sprint(":", listenPort), nil)
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user