/
main.go
175 lines (151 loc) · 4.28 KB
/
main.go
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package main
import (
"database/sql"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
_ "github.com/go-sql-driver/mysql"
"github.com/zlowram/gsd"
"golang.org/x/net/proxy"
)
const (
TOP_100 = "7,9,13,21-23,25-26,37,53,79-81,88,106,110-111,113,119,135," +
"139,143-144,179,199,389,427,443-445,465,513-515,543-544,548,554,587,631,646," +
"873,990,993,995,1025-1029,1110,1433,1720,1723,1755,1900,2000-2001,2049,2121," +
"2717,3000,3128,3306,3389,3986,4899,5000,5009,5051,5060,5101,5190,5357,5432," +
"5631,5666,5800,5900,6000-6001,6646,7070,8000,8008-8009,8080-8081,8443,8888," +
"9100,9999-10000,32768,49152-49157"
ConfigFile = "godan.toml"
MAX_GOROUTINES = 100
)
var (
file = flag.Bool("f", false, "enable IP input from file")
portsFlag = flag.String("p", "", "set ports from cmdline (if not specified, top-100 ports)")
portFile = flag.String("P", "", "set ports from file (if not specified, top-100 ports)")
maxGoroutines = flag.Int("m", MAX_GOROUTINES, "limit maximum number of goroutines")
proxyHost = flag.String("proxy", "", "set SOCKS5 proxy")
proxyAuth = flag.String("proxy-auth", "", "set authentication parameters for SOCKS5 proxy. Syntax: username:password")
)
func parseIPs() []string {
var ips, ipList []string
if *file {
// Read list of IPs from file
content, err := ioutil.ReadFile(flag.Arg(0))
if err != nil {
log.Fatal(err)
}
ipList = strings.Split(string(content), "\n")
ipList = ipList[:len(ipList)-1]
} else {
// Read IPs from comma-separated stuff
ipList = strings.Split(flag.Arg(0), ",")
}
// Check if they are CIDR and expand
for _, i := range ipList {
cidrList := ipsFromCIDR(i)
ips = append(ips, cidrList...)
}
return ips
}
func parsePorts() []string {
var ports, portList []string
if *portFile != "" {
// Read list of IPs from file
content, err := ioutil.ReadFile(*portFile)
if err != nil {
log.Fatal(err)
}
portList = strings.Split(string(content), "\n")
portList = portList[:len(portList)-1]
} else {
// Read IPs from comma-separated stuff
if *portsFlag == "" {
*portsFlag = TOP_100
}
portList = strings.Split(*portsFlag, ",")
}
for _, i := range portList {
if strings.Contains(i, "-") {
sp := strings.Split(i, "-")
prange, err := portRange(sp[0], sp[1])
if err != nil {
log.Fatal(err)
}
ports = append(ports, prange...)
} else {
ports = append(ports, i)
}
}
return ports
}
func main() {
// Parse arguments
flag.Usage = usage
flag.Parse()
if flag.NArg() != 2 {
flag.Usage()
os.Exit(2)
}
ips := parseIPs()
ports := parsePorts()
// Load the config
config, err := loadConfig(flag.Arg(1))
if err != nil {
log.Fatal(err)
}
fmt.Fprintf(os.Stdout, "[+] Analyzing %d IPs and %d ports...\n", len(ips), len(ports))
godan := gsd.NewGsd(ips, ports)
// Add services
services := []gsd.Service{
gsd.NewHttpsService(),
gsd.NewHttpService(),
gsd.NewTCPService(),
gsd.NewTCPTLSService(),
}
godan.AddServices(services)
// Check if proxy
if *proxyHost != "" {
var auth *proxy.Auth
if *proxyAuth != "" {
auth = &proxy.Auth{
User: strings.Split(*proxyAuth, ":")[0],
Password: strings.Split(*proxyAuth, ":")[1],
}
} else {
auth = &proxy.Auth{}
}
godan.SetProxy(*proxyHost, auth)
}
dsn := config.Username + ":" + config.Password + "@tcp(" + config.ServerIP + ":" + config.ServerPort + ")/" + config.Database + "?charset=utf8"
db, err := sql.Open("mysql", dsn)
if err != nil {
log.Fatal(err)
}
defer db.Close()
db.Exec("CREATE TABLE IF NOT EXISTS banners (ip INT UNSIGNED, port INT UNSIGNED, service VARCHAR(50), content TEXT, error TEXT)")
// Run them!
results := godan.Run(*maxGoroutines)
// Process results (filter errors out)
for r := range results {
if r.Error != "" {
continue
}
_, err := db.Exec("INSERT INTO banners (ip, port, service, content, error) VALUES (INET_ATON(?), ?, ?, ?, ?)", r.Ip, r.Port, r.Service, r.Content, r.Error)
if err != nil {
log.Fatal(err)
}
}
fmt.Println("[+] DONE")
}
func usage() {
fmt.Fprintln(os.Stderr, usageLine)
flag.PrintDefaults()
}
const usageLine = `usage: godan [flags] <ips> <config>
<ips> if "-f" is not set: Comma-separated list of target IPs
if "-f" is set: Path to file containing the list of target IPs
<config> path to config file
flags:`