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fuzzer.go
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fuzzer.go
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package l9l4gfuzz
import (
"errors"
"github.com/LeakIX/l9format"
"github.com/gboddin/ldapserver"
"io"
"io/ioutil"
"net"
"net/http"
"net/url"
"strconv"
"text/template"
"time"
)
type fuzzer struct {
ldapserverOutput io.Writer
httpServer *http.Server
listenAddress string
ListenIp string
LDAPPort string
HTTPPort string
SSHPort string
GenericPort string
timeout time.Duration
tokenTranslator *TokenTranslator
ldapserver *ldapserver.Server
l9Helper l9format.ServicePluginBase
fuzzerOutputChannel FuzzerChannel
requestTemplate *template.Template
payloadTemplate *template.Template
}
type FuzzerResult struct {
Ip string
Port string
Protocol string
Token *Token
}
type FuzzerContext struct {
Fuzzer *fuzzer
Url *url.URL
}
type FuzzerChannel chan FuzzerResult
func NewFuzzer(opts ...FuzzerOption) (*fuzzer, error) {
var err error
// create a new instance
newfuzzer := &fuzzer{}
for _, opt := range opts {
// Call the option
err := opt(newfuzzer)
if err != nil {
return nil, err
}
}
// Fix defaults :
if newfuzzer.tokenTranslator == nil {
newfuzzer.tokenTranslator = &TokenTranslator{Secret: []byte("insecure")}
}
newfuzzer.ListenIp, newfuzzer.LDAPPort, err = net.SplitHostPort(newfuzzer.listenAddress)
if err != nil {
return nil, err
}
baseport, err := strconv.Atoi(newfuzzer.LDAPPort)
if err != nil {
return nil, err
}
// Set ports for listeners
if newfuzzer.HTTPPort == "" {
newfuzzer.HTTPPort = strconv.Itoa(baseport + 1)
}
if newfuzzer.SSHPort == "" {
newfuzzer.SSHPort = strconv.Itoa(baseport + 2)
}
if newfuzzer.GenericPort == "" {
newfuzzer.GenericPort = strconv.Itoa(baseport + 3)
}
if newfuzzer.timeout == 0 {
newfuzzer.timeout = 2 * time.Second
}
if newfuzzer.ldapserverOutput == nil {
newfuzzer.ldapserverOutput = ioutil.Discard
}
newfuzzer.startLdapServer()
newfuzzer.startHttpServer()
// return fuzzer
return newfuzzer, nil
}
var ErrNoFuzzerForScheme = errors.New("no fuzzer for scheme")