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package main
import (
"fmt"
"math/rand"
"os"
ldap "github.com/go-ldap/ldap/v3"
"github.com/sirupsen/logrus"
)
const maxlength_generateName, minlength_generateName = 25, 3
const bindusername = "cn=admin,dc=deuxfleurs,dc=fr"
const adresse = "127.0.0.1"
const port = 1389
var logging = logrus.New()
const seed = 654258
var R = rand.New(rand.NewSource(seed))
var bindpassword = "sf7yO52NCuE"
//Handler just to facilite the print error
func PrintError(LDAPError error) {
if LDAPError != nil {
logging.Fatal(LDAPError)
}
}
//Generate an unique name, which store in all_names
func (inst *instance) GenerateName() (name string) {
alphabet := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
length := R.Intn(maxlength_generateName) + minlength_generateName
//Check if this name not exist already
//Lock thhis variable because she is hared with other goroutine
allNames.mu.Lock()
for only_one := true; only_one; _, only_one = allNames.cn[name] {
//Create the name
for i := 0; i < length; i++ {
name += string(alphabet[R.Intn(len(alphabet))])
}
}
//Add the new name in the map to store this one
allNames.cn[name] = struct{}{}
allNames.mu.Unlock()
logging.Debug(fmt.Sprintf("Name generated: %s.", name))
return
}
//Handler to around the bug with MessageId
func (inst *instance) Reconnect() (err error) {
inst.logging.Close()
inst.logging, err = ldap.Dial("tcp", fmt.Sprintf("%s:%d", adresse, port))
if err != nil {
return
}
err = inst.logging.Bind(bindusername, bindpassword)
//logging.Debug("Reconnect succesful")
return
}
//Transform attributes in map format to the struct attributes
func MapAttToStruct(att map[string][]string) []attributes {
resultat := []attributes{}
for key, value := range att {
logging.Debug(fmt.Sprintf("Transform: key: %s, values: %s to attributes struct.\n", key, value))
resultat = append(resultat, attributes{
Name: key,
Data: value,
})
}
return resultat
}
func Connect() (*ldap.Conn, error) {
l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", adresse, port))
if err != nil {
return nil, err
}
if key, ok := os.LookupEnv("BOTTIN_DEFAULT_ADMIN_PW"); ok {
bindpassword = key
}
err = l.Bind(bindusername, bindpassword)
logging.Debug("Connection succesful")
return l, err
}
//Handler to get only attributes names
func getNamesAtt(dat data_DN) []string {
resultat := []string{}
for _, values := range dat.Attributes {
resultat = append(resultat, values.Name)
}
return resultat
}
//Handler to compare slice string
func CompareSliceString(string1, string2 []string) bool {
if len(string1) != len(string2) {
return false
} else {
for index := range string1 {
if string1[index] != string2[index] {
return false
}
}
}
return true
}
//Handler to remove an element in slice string
func DeleteElementSliceString(s string, sSlice []string) []string {
for index, value := range sSlice {
if value == s {
sSlice[index] = sSlice[len(sSlice)-1]
return sSlice[:len(sSlice)-1]
}
}
return sSlice
}
//Get attributes entry values bottin bug
func GetAttributeValuesBottin(ent *ldap.Entry, name string) (res []string) {
for _, val := range ent.Attributes {
if val.Name == name {
res = append(res, val.Values...)
}
}
return
}
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