package ldap import ( "context" "errors" "fmt" "net" "strings" "github.com/nmcclain/ldap" "goauthentik.io/outpost/api" ) func (pi *ProviderInstance) SearchMe(user api.User, searchReq ldap.SearchRequest, conn net.Conn) (ldap.ServerSearchResult, error) { entries := make([]*ldap.Entry, 1) entries[0] = pi.UserEntry(user) return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess}, nil } 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] 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, showing info about user") return pi.SearchMe(flags.UserInfo, searchReq, conn) } 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.CoreApi.CoreGroupsList(context.Background()).Execute() if err != nil { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("API Error: %s", err) } pi.log.WithField("count", len(groups.Results)).Trace("Got results from API") for _, g := range groups.Results { entries = append(entries, pi.GroupEntry(g)) } case UserObjectClass, "": users, _, err := pi.s.ac.Client.CoreApi.CoreUsersList(context.Background()).Execute() if err != nil { return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("API Error: %s", err) } for _, u := range users.Results { entries = append(entries, pi.UserEntry(u)) } } pi.log.WithField("filter", searchReq.Filter).Debug("Search OK") return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess}, nil } func (pi *ProviderInstance) UserEntry(u api.User) *ldap.Entry { 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}, }, { Name: "objectClass", Values: []string{UserObjectClass, "organizationalPerson", "goauthentik.io/ldap/user"}, }, } attrs = append(attrs, &ldap.EntryAttribute{Name: "memberOf", Values: pi.GroupsForUser(u)}) attrs = append(attrs, &ldap.EntryAttribute{Name: "goauthentik.io/ldap/active", Values: []string{BoolToString(*u.IsActive)}}) attrs = append(attrs, &ldap.EntryAttribute{Name: "goauthentik.io/ldap/superuser", Values: []string{BoolToString(u.IsSuperuser)}}) attrs = append(attrs, AKAttrsToLDAP(u.Attributes)...) dn := fmt.Sprintf("cn=%s,%s", u.Username, pi.UserDN) return &ldap.Entry{DN: dn, Attributes: attrs} } func (pi *ProviderInstance) GroupEntry(g api.Group) *ldap.Entry { 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) return &ldap.Entry{DN: dn, Attributes: attrs} }