430 lines
12 KiB
Go
430 lines
12 KiB
Go
package main
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import (
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"github.com/go-ldap/ldap/v3"
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"fmt"
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log "github.com/sirupsen/logrus"
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"math/rand"
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"strings"
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"errors"
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"os"
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)
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const bindusername = "cn=admin,dc=deuxfleurs,dc=fr"
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const adresse = "127.0.0.1"
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const port = 1389
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var bindpassword string
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var all_names = make(map[string]struct{})
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func printError(LDAPError error) {
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if LDAPError != nil {
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log.Fatal(LDAPError)
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}
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}
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func createOU(l *ldap.Conn) error {
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req := ldap.NewAddRequest("ou=groups,dc=deuxfleurs,dc=fr",nil)
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req.Attribute("description",[]string{"OrganizationalUnit qui regroupe tous les groupes"})
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req.Attribute("objectclass",[]string{"organizationalUnit", "top"})
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req.Attribute("ou",[]string{"groups"})
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req.Attribute("structuralobjectclass", []string{"organizationalUnit"})
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err := l.Add(req)
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if err != nil {
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return err
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}
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req = ldap.NewAddRequest("ou=users,dc=deuxfleurs,dc=fr",nil)
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req.Attribute("description",[]string{"OrganizationalUnit qui regroupe tous les utilisateurs"})
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req.Attribute("objectclass",[]string{"organizationalUnit", "top"})
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req.Attribute("ou",[]string{"users"})
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req.Attribute("structuralobjectclass", []string{"organizationalUnit"})
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err = l.Add(req)
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return err
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}
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func generateName(r *rand.Rand) (name string) {
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for only_one := true; only_one; _, only_one = all_names[name]{
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name = fmt.Sprintf("%d",r.Int())
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}
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all_names[name] = struct{}{}
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log.Debug(fmt.Sprintf("Name generated: %s.\n", name))
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return
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}
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func createGroup(r *rand.Rand, l *ldap.Conn) (tab_AddRequest []ldap.AddRequest, err error) {
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StructuralObjectClass := []string{"groupOfNames"}
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ObjectClass := []string{"groupOfNames","top"}
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for i := 0; i<20; i++ {
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//Generate name and check if he is unique
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name := generateName(r)
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req := ldap.NewAddRequest(fmt.Sprintf("cn=%s,ou=groups,dc=deuxfleurs,dc=fr",name),nil)
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req.Attribute("description",[]string{generateName(r)})
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req.Attribute("objectclass",ObjectClass)
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req.Attribute("structuralobjectclass",StructuralObjectClass)
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err = l.Add(req)
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if err != nil {
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log.Warn(fmt.Sprintf("Erreur survenue sur la création du [%d] groupe.\n",i))
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return nil, err
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}
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tab_AddRequest = append(tab_AddRequest, *req)
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}
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return
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}
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func createUser(r *rand.Rand, l *ldap.Conn) (tab_AddRequest []ldap.AddRequest, err error) {
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StructuralObjectClass := []string{"inetOrgPerson"}
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ObjectClass := []string{"inetOrgPerson","organizationalPerson","person","top"}
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for i := 0; i<20; i++ {
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name := generateName(r)
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req := ldap.NewAddRequest(fmt.Sprintf("cn=%s,ou=users,dc=deuxfleurs,dc=fr",name),nil)
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req.Attribute("displayname",[]string{generateName(r)})
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req.Attribute("objectclass",ObjectClass)
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req.Attribute("structuralobjectclass",StructuralObjectClass)
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err = l.Add(req)
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if err != nil {
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log.Warn(fmt.Sprintf("Erreur survenue sur la création du [%d] user.\n",i))
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return nil, err
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}
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tab_AddRequest = append(tab_AddRequest, *req)
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}
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return
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}
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func search_attributes(tab_Attributes []ldap.Attribute, tipe string) (*ldap.Attribute) {
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for _,att := range tab_Attributes {
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if att.Type == tipe {
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return &att
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}
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}
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return nil
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// return ldap.Attribute{}
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}
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func test_attributes(l *ldap.Conn, tab_AddRequest []ldap.AddRequest, filter_objectclass, user_or_group string) (err error) {
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for _, addRequest := range tab_AddRequest {
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//On prend le cn en supposant qu'il est unique
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cn := strings.Split(addRequest.DN,",")[0]
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//On crée la requête pour la recherche
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search_req := ldap.NewSearchRequest(
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fmt.Sprintf("ou=%s,dc=deuxfleurs,dc=fr",user_or_group),
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ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
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fmt.Sprintf("(&(objectclass=%s)(%s))", filter_objectclass,cn),
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[]string{"displayname","objectclass","structuralobjectclass"},
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nil,
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)
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//On lance la recherche
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result, err := l.Search(search_req)
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if err != nil {
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return err
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}
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if len(result.Entries) != 1 {
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return errors.New("Test a trouvé plusieurs displaynames en commun ou en a trouvé aucun")
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}
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//On compare les attributs qu'on a reçu avec les attributs qu'on a envoyé
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result_attributes := result.Entries[0].Attributes
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log.Debug(fmt.Sprintf("La longueur est de %d, contient : \n %s.\n",len(result_attributes), result_attributes))
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//Notre recherche crée un attribut par valeur, même si les valeurs viennent du même nom d'attribut
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//Par exemple: objectclass possède 4 valeurs. Alors on aura 4 EntryAttribute qui contient chacune une des 4 valeurs de l'attribut objectclass
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//j est l'indice qui représente la j-ème valeur de notre attribut
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var j int
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var att *ldap.Attribute
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for i,attributes := range result_attributes {
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//On cherche l'attribut de l'user i qui a le même nom que celui qu'on a reçu et qu'on traite dans cette boucle
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if j == 0 {
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att = search_attributes(addRequest.Attributes, attributes.Name)
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if att == nil {
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return errors.New(fmt.Sprintf("Error: test_attributes - Don't find match name attributes. We search %s.\n", attributes.Name))
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}
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}
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log.Debug(fmt.Sprintf("Le nom de l'attribut est %s, sa valeur est: \n %s.", att.Type, att))
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if j >= len(att.Vals) || att.Vals[j] != attributes.Values[0] {
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return errors.New(fmt.Sprintf("Error: test_attributes - Theses values aren't the same: %d, %d",att.Vals, attributes.Values))
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}
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if i+1 < len(result_attributes) && result_attributes[i+1].Name == attributes.Name {
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j += 1
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} else { j = 0}
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}
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}
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return nil
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}
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func clean(l *ldap.Conn, AddReq_users, AddReq_groups []ldap.AddRequest,user, group bool) (err error){
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log.Debug("Debut clean")
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if(user) {
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for _,req := range AddReq_users {
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delReq := ldap.NewDelRequest(req.DN,nil)
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err = l.Del(delReq)
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if err != nil {
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return
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}
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}
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}
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if group {
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for _,req := range AddReq_groups {
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delReq := ldap.NewDelRequest(req.DN, nil)
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err = l.Del(delReq)
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if err != nil {
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return
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}
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}
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}
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defer log.Debug("Fin clean")
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return
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}
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func test_modify_attributes(l *ldap.Conn, r *rand.Rand, tab_AddReq []ldap.AddRequest, tab_type_name []string) (err error) {
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for _, AddReq := range tab_AddReq {
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modReq := ldap.NewModifyRequest(AddReq.DN,nil)
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for _, type_name := range tab_type_name {
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newName := generateName(r)
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modReq.Replace(type_name, []string{newName})
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att := search_attributes(AddReq.Attributes, type_name)
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att.Vals[0] = newName
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}
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err = l.Modify(modReq)
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if err != nil {
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return
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}
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}
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return
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}
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func add_user_in_groups(l *ldap.Conn, r *rand.Rand, users, groups []ldap.AddRequest) (err error) {
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for _,group := range groups {
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numberUsers := r.Intn(19) + 1 //Always a minimum of 1 user
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list_users := []string{}
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for i:=0; i < numberUsers; i++ {
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list_users = append(list_users, users[i].DN)
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}
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modifyReq := ldap.NewModifyRequest( group.DN, nil)
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modifyReq.Add("member", list_users)
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err = l.Modify(modifyReq)
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if err != nil {
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log.Warn(fmt.Sprintf("Error: ModifyReq failed, func:add_users_in_groups from group:\n %d",group))
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return
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}
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}
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return
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}
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func delete_groups(l *ldap.Conn, groups []ldap.AddRequest) (list map[string][]string ,err error) {
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list = make(map[string][]string)
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for _, group := range groups {
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//Get lists_users
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cn := strings.Split(group.DN,",")[0]
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search_req := ldap.NewSearchRequest(
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"ou=groups,dc=deuxfleurs,dc=fr",
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ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
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fmt.Sprintf("(&(objectclass=groupOfNames)(%s))",cn),
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[]string{"member"},
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nil,
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)
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res , err := l.Search(search_req)
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if err != nil {
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log.Warn(fmt.Sprintf("Error Search: func: delete_groups_and_check_memberOf, from group: \n %d", group))
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return list, err
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}
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if len(res.Entries) != 1 {
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err = errors.New(fmt.Sprintf("SearchResult get: %s, SearchResult wanted: 1", len(res.Entries)))
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return list, err
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}
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EntryAtt := res.Entries[0].Attributes
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list_users := []string{}
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for _, att := range EntryAtt {
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list_users = append(list_users ,att.Values[0])
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}
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//Del group
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del := ldap.NewDelRequest( group.DN, nil)
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err = l.Del(del)
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if err != nil {
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return list, err
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}
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list[group.DN] = list_users
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}
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return
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}
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func check_memberOf(l *ldap.Conn, list map[string][]string) (err error) {
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//Check the memberOf of all users
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for groupeDN,_ := range list{
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search_req := ldap.NewSearchRequest(
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"ou=users,dc=deuxfleurs,dc=fr",
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ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,0 ,0, false,
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fmt.Sprintf("(&(objectclass=inetOrgPerson)(memberOf=%s))",groupeDN),
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[]string{"cn"},
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nil,
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)
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res, err := l.Search(search_req)
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if err != nil {
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return err
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}
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if len(res.Entries) != 0 {
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err = errors.New(fmt.Sprintf("L'user '%s' a encore le DN d'un groupe supprimé: %s",res.Entries[0].Attributes[0].Values[0],groupeDN))
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return err
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}
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}
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return err
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}
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func reconnect(l *ldap.Conn) (l_nouv *ldap.Conn, err error){
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l.Close()
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l_nouv, err = ldap.Dial("tcp", fmt.Sprintf("%s:%d",adresse,port))
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if err != nil {
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return
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}
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err = l_nouv.Bind(bindusername, bindpassword)
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return
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}
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func main() {
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var ok bool
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bindpassword, ok = os.LookupEnv("BOTTIN_DEFAULT_ADMIN_PW")
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if !ok {
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if len(os.Args) == 2 {
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bindpassword = os.Args[1]
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} else {
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bindpassword = ""
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}
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}
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log.Info(fmt.Sprintf("Password selected: %s",bindpassword))
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//log.SetLevel(log.TraceLevel)
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//Create a connection with Bottin server
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l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", adresse, port))
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//l.Debug = true
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printError(err)
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//Bind with the admin account generated
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err = l.Bind(bindusername, bindpassword)
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printError(err)
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//Create our object Rand, it's important to always have the same values
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source := rand.NewSource(666475745)
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r := rand.New(source)
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log.Info(fmt.Sprintf("The seed of the rand object is %d.\n",r.Seed))
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//Create user and groups OrgaUnit
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err = createOU(l)
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if ldap.IsErrorWithCode(err, uint16(68)) {
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log.Warn("Les OrganizationalUnit users et groups sont déjà présents.")
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}else {
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printError(err)
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log.Info("Création des OU de groups et users")
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}
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//Create random groups
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tab_AddRequest_groups, err := createGroup(r, l)
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printError(err)
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log.Info(fmt.Sprintf("Création des groupes aléatoirement réussi: %d\n", len(tab_AddRequest_groups)))
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//Create random users
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tab_AddRequest_users, err := createUser(r, l)
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printError(err)
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log.Info(fmt.Sprintf("Création des users aléatoirement réussi: %d\n", len(tab_AddRequest_users)))
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//Search and compare attribute Users. (We keep Attribute object from 'Create random users' and compare with the result of our search)
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err = test_attributes(l,tab_AddRequest_users, "inetOrgPerson","users")
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printError(err)
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log.Info("Tous les attributs users insérés dans Consul ont été vérifiés..\n")
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//Search and compare attributes Groups
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err = test_attributes(l,tab_AddRequest_groups, "groupOfNames","groups")
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printError(err)
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log.Info("Tous les attributs groups insérés dans Consul ont été vérifiés.\n")
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//Close the connection and open an other. If we don't do this, bottin server send a wrong answer. Comment this part if you want to try this
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l,err = reconnect(l)
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printError(err)
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//Modify attributes users and groups.
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//Modify users' attributes and check them
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log.Debug(fmt.Sprintf("Les valeurs sont:\n %s", tab_AddRequest_users))
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err = test_modify_attributes(l, r, tab_AddRequest_users, []string{"displayname"})
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printError(err)
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log.Debug("Modifications users faites")
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//Check if the attributes are correct:
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err = test_attributes(l,tab_AddRequest_users, "inetOrgPerson", "users")
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printError(err)
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log.Info("Les modifications ont bien été prises en compte")
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log.Debug(fmt.Sprintf("Les nouvelles valeurs sont:\n %s", tab_AddRequest_users))
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//Modify users' attributes and check them
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err = test_modify_attributes(l, r, tab_AddRequest_groups, []string{"description"})
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printError(err)
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log.Info("Modifications groups faites")
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//Check if the attributes are correct:
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err = test_attributes(l,tab_AddRequest_groups, "groupOfNames", "groups")
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printError(err)
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log.Info("Les modifications ont bien été prises en compte")
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//Close the connection
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l, err = reconnect(l)
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printError(err)
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//Add users in group, search them, delete several samples and search again to be sur it's good
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err = add_user_in_groups(l, r, tab_AddRequest_users, tab_AddRequest_groups)
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printError(err)
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log.Info("Ajout d'users dans les groupes fait")
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//Close the connection
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l, err = reconnect(l)
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printError(err)
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list, err := delete_groups(l, tab_AddRequest_groups)
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printError(err)
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log.Info("groupe supprimé")
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l,err = reconnect(l)
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printError(err)
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err = check_memberOf(l, list)
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printError(err)
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log.Info("Le memberOf a été correctement vidé")
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//Clean: Delete all users and groups (not OU users and groups)
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err = clean(l, tab_AddRequest_users, tab_AddRequest_groups, true, false)
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printError(err)
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log.Info("Clean succes")
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return
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}
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