package ldap import ( "errors" "fmt" "net" "strings" "github.com/nmcclain/ldap" "goauthentik.io/outpost/pkg/client/core" ) func (pi *ProviderInstance) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (ldap.ServerSearchResult, error) { bindDN = strings.ToLower(bindDN) baseDN := strings.ToLower("," + pi.BaseDN) entries := []*ldap.Entry{} filterEntity, err := ldap.GetFilterObjectClass(searchReq.Filter) if err != nil { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("Search Error: error parsing filter: %s", searchReq.Filter) } if len(bindDN) < 1 { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: Anonymous BindDN not allowed %s", bindDN) } if !strings.HasSuffix(bindDN, baseDN) { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: BindDN %s not in our BaseDN %s", bindDN, pi.BaseDN) } pi.boundUsersMutex.RLock() defer pi.boundUsersMutex.RUnlock() flags, ok := pi.boundUsers[bindDN] pi.log.WithField("bindDN", bindDN).WithField("ok", ok).Debugf("%+v\n", flags) if !ok { pi.log.Debug("User info not cached") return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, errors.New("access denied") } if !flags.CanSearch { pi.log.Debug("User can't search") return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, errors.New("access denied") } switch filterEntity { default: return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("Search Error: unhandled filter type: %s [%s]", filterEntity, searchReq.Filter) case GroupObjectClass: groups, err := pi.s.ac.Client.Core.CoreGroupsList(core.NewCoreGroupsListParams(), pi.s.ac.Auth) if err != nil { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("API Error: %s", err) } pi.log.WithField("count", len(groups.Payload.Results)).Trace("Got results from API") for _, g := range groups.Payload.Results { attrs := []*ldap.EntryAttribute{ { Name: "cn", Values: []string{*g.Name}, }, { Name: "uid", Values: []string{string(g.Pk)}, }, { Name: "objectClass", Values: []string{GroupObjectClass, "goauthentik.io/ldap/group"}, }, } attrs = append(attrs, AKAttrsToLDAP(g.Attributes)...) dn := pi.GetGroupDN(g) entries = append(entries, &ldap.Entry{DN: dn, Attributes: attrs}) } case UserObjectClass, "": users, err := pi.s.ac.Client.Core.CoreUsersList(core.NewCoreUsersListParams(), pi.s.ac.Auth) if err != nil { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("API Error: %s", err) } for _, u := range users.Payload.Results { attrs := []*ldap.EntryAttribute{ { Name: "cn", Values: []string{*u.Username}, }, { Name: "uid", Values: []string{u.UID}, }, { Name: "name", Values: []string{*u.Name}, }, { Name: "displayName", Values: []string{*u.Name}, }, { Name: "mail", Values: []string{u.Email.String()}, }, { Name: "objectClass", Values: []string{UserObjectClass, "organizationalPerson", "goauthentik.io/ldap/user"}, }, } if u.IsActive { attrs = append(attrs, &ldap.EntryAttribute{Name: "accountStatus", Values: []string{"inactive"}}) } else { attrs = append(attrs, &ldap.EntryAttribute{Name: "accountStatus", Values: []string{"active"}}) } if *u.IsSuperuser { attrs = append(attrs, &ldap.EntryAttribute{Name: "superuser", Values: []string{"inactive"}}) } else { attrs = append(attrs, &ldap.EntryAttribute{Name: "superuser", Values: []string{"active"}}) } attrs = append(attrs, &ldap.EntryAttribute{Name: "memberOf", Values: pi.GroupsForUser(u)}) attrs = append(attrs, AKAttrsToLDAP(u.Attributes)...) dn := fmt.Sprintf("cn=%s,%s", *u.Username, pi.UserDN) entries = append(entries, &ldap.Entry{DN: dn, Attributes: attrs}) } } pi.log.WithField("filter", searchReq.Filter).Debug("Search OK") return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess}, nil }