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remove the use of some unnecessary pointers

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino 2022-01-16 12:09:17 +01:00
parent ffe7f7ff16
commit d73be7aee5
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GPG key ID: 2F1FB59433D5A8CB
12 changed files with 65 additions and 65 deletions
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12
common/common.go
View file

@ -222,7 +222,7 @@ func GetDefenderBanTime(ip string) (*time.Time, error) {
}
// GetDefenderHosts returns hosts that are banned or for which some violations have been detected
func GetDefenderHosts() ([]*dataprovider.DefenderEntry, error) {
func GetDefenderHosts() ([]dataprovider.DefenderEntry, error) {
if Config.defender == nil {
return nil, nil
}
@ -231,9 +231,9 @@ func GetDefenderHosts() ([]*dataprovider.DefenderEntry, error) {
}
// GetDefenderHost returns a defender host by ip, if any
func GetDefenderHost(ip string) (*dataprovider.DefenderEntry, error) {
func GetDefenderHost(ip string) (dataprovider.DefenderEntry, error) {
if Config.defender == nil {
return nil, errors.New("defender is disabled")
return dataprovider.DefenderEntry{}, errors.New("defender is disabled")
}
return Config.defender.GetHost(ip)
@ -873,13 +873,13 @@ func (conns *ActiveConnections) IsNewConnectionAllowed(ipAddr string) bool {
}
// GetStats returns stats for active connections
func (conns *ActiveConnections) GetStats() []*ConnectionStatus {
func (conns *ActiveConnections) GetStats() []ConnectionStatus {
conns.RLock()
defer conns.RUnlock()
stats := make([]*ConnectionStatus, 0, len(conns.connections))
stats := make([]ConnectionStatus, 0, len(conns.connections))
for _, c := range conns.connections {
stat := &ConnectionStatus{
stat := ConnectionStatus{
Username: c.GetUsername(),
ConnectionID: c.GetID(),
ClientVersion: c.GetClientVersion(),

4
common/defender.go
View file

@ -38,8 +38,8 @@ var (
// Defender defines the interface that a defender must implements
type Defender interface {
GetHosts() ([]*dataprovider.DefenderEntry, error)
GetHost(ip string) (*dataprovider.DefenderEntry, error)
GetHosts() ([]dataprovider.DefenderEntry, error)
GetHost(ip string) (dataprovider.DefenderEntry, error)
AddEvent(ip string, event HostEvent)
IsBanned(ip string) bool
GetBanTime(ip string) (*time.Time, error)

4
common/defenderdb.go
View file

@ -33,12 +33,12 @@ func newDBDefender(config *DefenderConfig) (Defender, error) {
}
// GetHosts returns hosts that are banned or for which some violations have been detected
func (d *dbDefender) GetHosts() ([]*dataprovider.DefenderEntry, error) {
func (d *dbDefender) GetHosts() ([]dataprovider.DefenderEntry, error) {
return dataprovider.GetDefenderHosts(d.getStartObservationTime(), d.config.EntriesHardLimit)
}
// GetHost returns a defender host by ip, if any
func (d *dbDefender) GetHost(ip string) (*dataprovider.DefenderEntry, error) {
func (d *dbDefender) GetHost(ip string) (dataprovider.DefenderEntry, error) {
return dataprovider.GetDefenderHostByIP(ip, d.getStartObservationTime())
}

16
common/defendermem.go
View file

@ -39,14 +39,14 @@ func newInMemoryDefender(config *DefenderConfig) (Defender, error) {
}
// GetHosts returns hosts that are banned or for which some violations have been detected
func (d *memoryDefender) GetHosts() ([]*dataprovider.DefenderEntry, error) {
func (d *memoryDefender) GetHosts() ([]dataprovider.DefenderEntry, error) {
d.RLock()
defer d.RUnlock()
var result []*dataprovider.DefenderEntry
var result []dataprovider.DefenderEntry
for k, v := range d.banned {
if v.After(time.Now()) {
result = append(result, &dataprovider.DefenderEntry{
result = append(result, dataprovider.DefenderEntry{
IP: k,
BanTime: v,
})
@ -60,7 +60,7 @@ func (d *memoryDefender) GetHosts() ([]*dataprovider.DefenderEntry, error) {
}
}
if score > 0 {
result = append(result, &dataprovider.DefenderEntry{
result = append(result, dataprovider.DefenderEntry{
IP: k,
Score: score,
})
@ -71,13 +71,13 @@ func (d *memoryDefender) GetHosts() ([]*dataprovider.DefenderEntry, error) {
}
// GetHost returns a defender host by ip, if any
func (d *memoryDefender) GetHost(ip string) (*dataprovider.DefenderEntry, error) {
func (d *memoryDefender) GetHost(ip string) (dataprovider.DefenderEntry, error) {
d.RLock()
defer d.RUnlock()
if banTime, ok := d.banned[ip]; ok {
if banTime.After(time.Now()) {
return &dataprovider.DefenderEntry{
return dataprovider.DefenderEntry{
IP: ip,
BanTime: banTime,
}, nil
@ -92,14 +92,14 @@ func (d *memoryDefender) GetHost(ip string) (*dataprovider.DefenderEntry, error)
}
}
if score > 0 {
return &dataprovider.DefenderEntry{
return dataprovider.DefenderEntry{
IP: ip,
Score: score,
}, nil
}
}
return nil, util.NewRecordNotFoundError("host not found")
return dataprovider.DefenderEntry{}, util.NewRecordNotFoundError("host not found")
}
// IsBanned returns true if the specified IP is banned

10
dataprovider/bolt.go
View file

@ -1365,16 +1365,16 @@ func (p *BoltProvider) updateShareLastUse(shareID string, numTokens int) error {
})
}
func (p *BoltProvider) getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func (p *BoltProvider) getDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return nil, ErrNotImplemented
}
func (p *BoltProvider) getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
return nil, ErrNotImplemented
func (p *BoltProvider) getDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return DefenderEntry{}, ErrNotImplemented
}
func (p *BoltProvider) isDefenderHostBanned(ip string) (*DefenderEntry, error) {
return nil, ErrNotImplemented
func (p *BoltProvider) isDefenderHostBanned(ip string) (DefenderEntry, error) {
return DefenderEntry{}, ErrNotImplemented
}
func (p *BoltProvider) updateDefenderBanTime(ip string, minutes int) error {

16
dataprovider/dataprovider.go
View file

@ -508,9 +508,9 @@ type Provider interface {
getShares(limit int, offset int, order, username string) ([]Share, error)
dumpShares() ([]Share, error)
updateShareLastUse(shareID string, numTokens int) error
getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error)
getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error)
isDefenderHostBanned(ip string) (*DefenderEntry, error)
getDefenderHosts(from int64, limit int) ([]DefenderEntry, error)
getDefenderHostByIP(ip string, from int64) (DefenderEntry, error)
isDefenderHostBanned(ip string) (DefenderEntry, error)
updateDefenderBanTime(ip string, minutes int) error
deleteDefenderHost(ip string) error
addDefenderEvent(ip string, score int) error
@ -926,17 +926,17 @@ func CheckKeyboardInteractiveAuth(username, authHook string, client ssh.Keyboard
}
// GetDefenderHosts returns hosts that are banned or for which some violations have been detected
func GetDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func GetDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return provider.getDefenderHosts(from, limit)
}
// GetDefenderHostByIP returns a defender host by ip, if any
func GetDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
func GetDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return provider.getDefenderHostByIP(ip, from)
}
// IsDefenderHostBanned returns a defender entry and no error if the specified host is banned
func IsDefenderHostBanned(ip string) (*DefenderEntry, error) {
func IsDefenderHostBanned(ip string) (DefenderEntry, error) {
return provider.isDefenderHostBanned(ip)
}
@ -952,9 +952,9 @@ func DeleteDefenderHost(ip string) error {
// AddDefenderEvent adds an event for the given IP with the given score
// and returns the host with the updated score
func AddDefenderEvent(ip string, score int, from int64) (*DefenderEntry, error) {
func AddDefenderEvent(ip string, score int, from int64) (DefenderEntry, error) {
if err := provider.addDefenderEvent(ip, score); err != nil {
return nil, err
return DefenderEntry{}, err
}
return provider.getDefenderHostByIP(ip, from)
}

10
dataprovider/memory.go
View file

@ -1256,16 +1256,16 @@ func (p *MemoryProvider) updateShareLastUse(shareID string, numTokens int) error
return nil
}
func (p *MemoryProvider) getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func (p *MemoryProvider) getDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return nil, ErrNotImplemented
}
func (p *MemoryProvider) getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
return nil, ErrNotImplemented
func (p *MemoryProvider) getDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return DefenderEntry{}, ErrNotImplemented
}
func (p *MemoryProvider) isDefenderHostBanned(ip string) (*DefenderEntry, error) {
return nil, ErrNotImplemented
func (p *MemoryProvider) isDefenderHostBanned(ip string) (DefenderEntry, error) {
return DefenderEntry{}, ErrNotImplemented
}
func (p *MemoryProvider) updateDefenderBanTime(ip string, minutes int) error {

6
dataprovider/mysql.go
View file

@ -304,15 +304,15 @@ func (p *MySQLProvider) updateShareLastUse(shareID string, numTokens int) error
return sqlCommonUpdateShareLastUse(shareID, numTokens, p.dbHandle)
}
func (p *MySQLProvider) getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func (p *MySQLProvider) getDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return sqlCommonGetDefenderHosts(from, limit, p.dbHandle)
}
func (p *MySQLProvider) getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
func (p *MySQLProvider) getDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return sqlCommonGetDefenderHostByIP(ip, from, p.dbHandle)
}
func (p *MySQLProvider) isDefenderHostBanned(ip string) (*DefenderEntry, error) {
func (p *MySQLProvider) isDefenderHostBanned(ip string) (DefenderEntry, error) {
return sqlCommonIsDefenderHostBanned(ip, p.dbHandle)
}

6
dataprovider/pgsql.go
View file

@ -316,15 +316,15 @@ func (p *PGSQLProvider) updateShareLastUse(shareID string, numTokens int) error
return sqlCommonUpdateShareLastUse(shareID, numTokens, p.dbHandle)
}
func (p *PGSQLProvider) getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func (p *PGSQLProvider) getDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return sqlCommonGetDefenderHosts(from, limit, p.dbHandle)
}
func (p *PGSQLProvider) getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
func (p *PGSQLProvider) getDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return sqlCommonGetDefenderHostByIP(ip, from, p.dbHandle)
}
func (p *PGSQLProvider) isDefenderHostBanned(ip string) (*DefenderEntry, error) {
func (p *PGSQLProvider) isDefenderHostBanned(ip string) (DefenderEntry, error) {
return sqlCommonIsDefenderHostBanned(ip, p.dbHandle)
}

38
dataprovider/sqlcommon.go
View file

@ -970,8 +970,8 @@ func sqlCommonGetUsers(limit int, offset int, order string, dbHandle sqlQuerier)
return getUsersWithVirtualFolders(ctx, users, dbHandle)
}
func sqlCommonGetDefenderHosts(from int64, limit int, dbHandle sqlQuerier) ([]*DefenderEntry, error) {
hosts := make([]*DefenderEntry, 0, 100)
func sqlCommonGetDefenderHosts(from int64, limit int, dbHandle sqlQuerier) ([]DefenderEntry, error) {
hosts := make([]DefenderEntry, 0, 100)
ctx, cancel := context.WithTimeout(context.Background(), defaultSQLQueryTimeout)
defer cancel()
@ -1009,7 +1009,7 @@ func sqlCommonGetDefenderHosts(from int64, limit int, dbHandle sqlQuerier) ([]*D
} else {
host.BanTime = hostBanTime
}
hosts = append(hosts, &host)
hosts = append(hosts, host)
}
err = rows.Err()
if err != nil {
@ -1020,7 +1020,7 @@ func sqlCommonGetDefenderHosts(from int64, limit int, dbHandle sqlQuerier) ([]*D
return getDefenderHostsWithScores(ctx, hosts, from, idForScores, dbHandle)
}
func sqlCommonIsDefenderHostBanned(ip string, dbHandle sqlQuerier) (*DefenderEntry, error) {
func sqlCommonIsDefenderHostBanned(ip string, dbHandle sqlQuerier) (DefenderEntry, error) {
var host DefenderEntry
ctx, cancel := context.WithTimeout(context.Background(), defaultSQLQueryTimeout)
@ -1030,7 +1030,7 @@ func sqlCommonIsDefenderHostBanned(ip string, dbHandle sqlQuerier) (*DefenderEnt
stmt, err := dbHandle.PrepareContext(ctx, q)
if err != nil {
providerLog(logger.LevelError, "error preparing database query %#v: %v", q, err)
return nil, err
return host, err
}
defer stmt.Close()
@ -1038,16 +1038,16 @@ func sqlCommonIsDefenderHostBanned(ip string, dbHandle sqlQuerier) (*DefenderEnt
err = row.Scan(&host.ID)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, util.NewRecordNotFoundError("host not found")
return host, util.NewRecordNotFoundError("host not found")
}
providerLog(logger.LevelError, "unable to check ban status for host %#v: %v", ip, err)
return nil, err
return host, err
}
return &host, nil
return host, nil
}
func sqlCommonGetDefenderHostByIP(ip string, from int64, dbHandle sqlQuerier) (*DefenderEntry, error) {
func sqlCommonGetDefenderHostByIP(ip string, from int64, dbHandle sqlQuerier) (DefenderEntry, error) {
var host DefenderEntry
ctx, cancel := context.WithTimeout(context.Background(), defaultSQLQueryTimeout)
@ -1057,7 +1057,7 @@ func sqlCommonGetDefenderHostByIP(ip string, from int64, dbHandle sqlQuerier) (*
stmt, err := dbHandle.PrepareContext(ctx, q)
if err != nil {
providerLog(logger.LevelError, "error preparing database query %#v: %v", q, err)
return nil, err
return host, err
}
defer stmt.Close()
@ -1066,25 +1066,25 @@ func sqlCommonGetDefenderHostByIP(ip string, from int64, dbHandle sqlQuerier) (*
err = row.Scan(&host.ID, &host.IP, &banTime)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, util.NewRecordNotFoundError("host not found")
return host, util.NewRecordNotFoundError("host not found")
}
providerLog(logger.LevelError, "unable to get host for ip %#v: %v", ip, err)
return nil, err
return host, err
}
if banTime.Valid && banTime.Int64 > 0 {
hostBanTime := util.GetTimeFromMsecSinceEpoch(banTime.Int64)
if !hostBanTime.IsZero() && hostBanTime.After(time.Now()) {
host.BanTime = hostBanTime
return &host, nil
return host, nil
}
}
hosts, err := getDefenderHostsWithScores(ctx, []*DefenderEntry{&host}, from, []int64{host.ID}, dbHandle)
hosts, err := getDefenderHostsWithScores(ctx, []DefenderEntry{host}, from, []int64{host.ID}, dbHandle)
if err != nil {
return nil, err
return host, err
}
if len(hosts) == 0 {
return nil, util.NewRecordNotFoundError("host not found")
return host, util.NewRecordNotFoundError("host not found")
}
return hosts[0], nil
@ -1709,9 +1709,9 @@ func getUserWithVirtualFolders(ctx context.Context, user User, dbHandle sqlQueri
return users[0], err
}
func getDefenderHostsWithScores(ctx context.Context, hosts []*DefenderEntry, from int64, idForScores []int64,
func getDefenderHostsWithScores(ctx context.Context, hosts []DefenderEntry, from int64, idForScores []int64,
dbHandle sqlQuerier) (
[]*DefenderEntry,
[]DefenderEntry,
error,
) {
if len(idForScores) == 0 {
@ -1752,7 +1752,7 @@ func getDefenderHostsWithScores(ctx context.Context, hosts []*DefenderEntry, fro
return hosts, err
}
result := make([]*DefenderEntry, 0, len(hosts))
result := make([]DefenderEntry, 0, len(hosts))
for idx := range hosts {
hosts[idx].Score = hostsWithScores[hosts[idx].ID]

6
dataprovider/sqlite.go
View file

@ -301,15 +301,15 @@ func (p *SQLiteProvider) updateShareLastUse(shareID string, numTokens int) error
return sqlCommonUpdateShareLastUse(shareID, numTokens, p.dbHandle)
}
func (p *SQLiteProvider) getDefenderHosts(from int64, limit int) ([]*DefenderEntry, error) {
func (p *SQLiteProvider) getDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
return sqlCommonGetDefenderHosts(from, limit, p.dbHandle)
}
func (p *SQLiteProvider) getDefenderHostByIP(ip string, from int64) (*DefenderEntry, error) {
func (p *SQLiteProvider) getDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
return sqlCommonGetDefenderHostByIP(ip, from, p.dbHandle)
}
func (p *SQLiteProvider) isDefenderHostBanned(ip string) (*DefenderEntry, error) {
func (p *SQLiteProvider) isDefenderHostBanned(ip string) (DefenderEntry, error) {
return sqlCommonIsDefenderHostBanned(ip, p.dbHandle)
}

2
httpd/webadmin.go
View file

@ -135,7 +135,7 @@ type foldersPage struct {
type connectionsPage struct {
basePage
Connections []*common.ConnectionStatus
Connections []common.ConnectionStatus
}
type statusPage struct {