Esempio n. 1
0
func main() {
	l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", ldapServer, ldapPort))
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.Error())
	}
	defer l.Close()
	// l.Debug = true

	err = l.Bind(user, passwd)
	if err != nil {
		log.Printf("ERROR: Cannot bind: %s\n", err.Error())
		return
	}
	search := ldap.NewSearchRequest(
		baseDN,
		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
		filter,
		Attributes,
		nil)

	sr, err := l.Search(search)
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.Error())
		return
	}

	log.Printf("Search: %s -> num of entries = %d\n", search.Filter, len(sr.Entries))
	sr.PrettyPrint(0)
}
Esempio n. 2
0
func (ls *Source) FindUserDN(name string) (string, bool) {
	l, err := ldapDial(ls)
	if err != nil {
		log.Error(4, "LDAP Connect error, %s:%v", ls.Host, err)
		ls.Enabled = false
		return "", false
	}
	defer l.Close()

	log.Trace("Search for LDAP user: %s", name)
	if ls.BindDN != "" && ls.BindPassword != "" {
		err = l.Bind(ls.BindDN, ls.BindPassword)
		if err != nil {
			log.Debug("Failed to bind as BindDN[%s]: %v", ls.BindDN, err)
			return "", false
		}
		log.Trace("Bound as BindDN %s", ls.BindDN)
	} else {
		log.Trace("Proceeding with anonymous LDAP search.")
	}

	// A search for the user.
	userFilter := fmt.Sprintf(ls.Filter, name)
	log.Trace("Searching using filter %s", userFilter)
	search := ldap.NewSearchRequest(
		ls.UserBase, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0,
		false, userFilter, []string{}, nil)

	// Ensure we found a user
	sr, err := l.Search(search)
	if err != nil || len(sr.Entries) < 1 {
		log.Debug("Failed search using filter[%s]: %v", userFilter, err)
		return "", false
	} else if len(sr.Entries) > 1 {
		log.Debug("Filter '%s' returned more than one user.", userFilter)
		return "", false
	}

	userDN := sr.Entries[0].DN
	if userDN == "" {
		log.Error(4, "LDAP search was succesful, but found no DN!")
		return "", false
	}

	return userDN, true
}
Esempio n. 3
0
func search(l *ldap.Conn, filter string, attributes []string) (*ldap.Entry, *ldap.Error) {
	search := ldap.NewSearchRequest(
		BaseDN,
		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
		filter,
		attributes,
		nil)

	sr, err := l.Search(search)
	if err != nil {
		log.Fatalf("ERROR: %s\n", err)
		return nil, err
	}

	log.Printf("Search: %s -> num of entries = %d\n", search.Filter, len(sr.Entries))
	if len(sr.Entries) == 0 {
		return nil, ldap.NewError(ldap.ErrorDebugging, errors.New(fmt.Sprintf("no entries found for: %s", filter)))
	}
	return sr.Entries[0], nil
}
Esempio n. 4
0
func main() {
	l, err := ldap.DialSSL("tcp", fmt.Sprintf("%s:%d", LdapServer, LdapPort), nil)
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.String())
	}
	defer l.Close()
	// l.Debug = true

	search := ldap.NewSearchRequest(
		BaseDN,
		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
		Filter,
		Attributes,
		nil)

	sr, err := l.Search(search)
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.String())
		return
	}

	log.Printf("Search: %s -> num of entries = %d\n", search.Filter, len(sr.Entries))
	sr.PrettyPrint(0)
}
Esempio n. 5
0
// searchEntry : search an LDAP source if an entry (name, passwd) is valid and in the specific filter
func (ls *Source) SearchEntry(name, passwd string, directBind bool) (string, string, string, bool, bool) {
	var userDN string
	if directBind {
		log.Trace("LDAP will bind directly via UserDN template: %s", ls.UserDN)
		userDN = fmt.Sprintf(ls.UserDN, name)
	} else {
		log.Trace("LDAP will use BindDN.")

		var found bool
		userDN, found = ls.FindUserDN(name)
		if !found {
			return "", "", "", false, false
		}
	}

	l, err := ldapDial(ls)
	if err != nil {
		log.Error(4, "LDAP Connect error, %s:%v", ls.Host, err)
		ls.Enabled = false
		return "", "", "", false, false
	}
	defer l.Close()

	log.Trace("Binding with userDN: %s", userDN)
	err = l.Bind(userDN, passwd)
	if err != nil {
		log.Debug("LDAP auth. failed for %s, reason: %v", userDN, err)
		return "", "", "", false, false
	}

	log.Trace("Bound successfully with userDN: %s", userDN)
	userFilter := fmt.Sprintf(ls.Filter, name)
	search := ldap.NewSearchRequest(
		userDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, userFilter,
		[]string{ls.AttributeName, ls.AttributeSurname, ls.AttributeMail},
		nil)

	sr, err := l.Search(search)
	if err != nil {
		log.Error(4, "LDAP Search failed unexpectedly! (%v)", err)
		return "", "", "", false, false
	} else if len(sr.Entries) < 1 {
		if directBind {
			log.Error(4, "User filter inhibited user login.")
		} else {
			log.Error(4, "LDAP Search failed unexpectedly! (0 entries)")
		}

		return "", "", "", false, false
	}

	name_attr := sr.Entries[0].GetAttributeValue(ls.AttributeName)
	sn_attr := sr.Entries[0].GetAttributeValue(ls.AttributeSurname)
	mail_attr := sr.Entries[0].GetAttributeValue(ls.AttributeMail)

	admin_attr := false
	if len(ls.AdminFilter) > 0 {
		search = ldap.NewSearchRequest(
			userDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, ls.AdminFilter,
			[]string{ls.AttributeName},
			nil)

		sr, err = l.Search(search)
		if err != nil {
			log.Error(4, "LDAP Admin Search failed unexpectedly! (%v)", err)
		} else if len(sr.Entries) < 1 {
			log.Error(4, "LDAP Admin Search failed")
		} else {
			admin_attr = true
		}
	}

	return name_attr, sn_attr, mail_attr, admin_attr, true
}