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fix: user DN filtering that causes some unnecessary logs (#13584)

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Additionally, remove the unnecessary `isUsingLookupBind` field in the LDAP struct
This commit is contained in:
Aditya Manthramurthy 2021-11-04 13:11:20 -07:00 committed by GitHub
parent c3d24fb26d
commit 947c423824
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 28 deletions
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4
cmd/iam.go
View File

@ -286,7 +286,7 @@ func (sys *IAMSys) Init(ctx context.Context, objAPI ObjectLayer, etcdClient *etc
}
}
}()
case globalLDAPConfig.EnabledWithLookupBind():
case globalLDAPConfig.Enabled:
go func() {
ticker := time.NewTicker(sys.iamRefreshInterval)
defer ticker.Stop()
@ -843,7 +843,7 @@ func (sys *IAMSys) purgeExpiredCredentialsForLDAP(ctx context.Context) {
allDistNames = append(allDistNames, parentUser)
}
expiredUsers, err := globalLDAPConfig.GetNonEligibleUserDistNames(parentUsers)
expiredUsers, err := globalLDAPConfig.GetNonEligibleUserDistNames(allDistNames)
if err != nil {
// Log and return on error - perhaps it'll work the next time.
logger.LogIf(GlobalContext, err)

31
internal/config/identity/ldap/config.go
View File

@ -67,7 +67,6 @@ type Config struct {
tlsSkipVerify bool // allows skipping TLS verification
serverInsecure bool // allows plain text connection to LDAP server
serverStartTLS bool // allows using StartTLS connection to LDAP server
isUsingLookupBind bool
rootCAs *x509.CertPool
}
@ -240,10 +239,6 @@ func (l *Config) searchForUserGroups(conn *ldap.Conn, username, bindDN string) (
// LookupUserDN searches for the full DN and groups of a given username
func (l *Config) LookupUserDN(username string) (string, []string, error) {
if !l.isUsingLookupBind {
return "", nil, errors.New("current lookup mode does not support searching for User DN")
}
conn, err := l.Connect()
if err != nil {
return "", nil, err
@ -386,10 +381,6 @@ func (l Config) IsLDAPUserDN(user string) bool {
// GetNonEligibleUserDistNames - find user accounts (DNs) that are no longer
// present in the LDAP server or do not meet filter criteria anymore
func (l *Config) GetNonEligibleUserDistNames(userDistNames []string) ([]string, error) {
if !l.isUsingLookupBind {
return nil, errors.New("current LDAP configuration does not permit looking for expired user accounts")
}
conn, err := l.Connect()
if err != nil {
return nil, err
@ -410,7 +401,7 @@ func (l *Config) GetNonEligibleUserDistNames(userDistNames []string) ([]string,
dn,
ldap.ScopeBaseObject, ldap.NeverDerefAliases, 0, 0, false,
filter,
[]string{}, // only need DN, so no pass no attributes here
[]string{}, // only need DN, so pass no attributes here
nil,
)
@ -435,10 +426,6 @@ func (l *Config) GetNonEligibleUserDistNames(userDistNames []string) ([]string,
// LookupGroupMemberships - for each DN finds the set of LDAP groups they are a
// member of.
func (l *Config) LookupGroupMemberships(userDistNames []string, userDNToUsernameMap map[string]string) (map[string]set.StringSet, error) {
if !l.isUsingLookupBind {
return nil, errors.New("current LDAP configuration does not permit this lookup")
}
conn, err := l.Connect()
if err != nil {
return nil, err
@ -463,12 +450,7 @@ func (l *Config) LookupGroupMemberships(userDistNames []string, userDNToUsername
return res, nil
}
// EnabledWithLookupBind - checks if ldap IDP is enabled in lookup bind mode.
func (l Config) EnabledWithLookupBind() bool {
return l.Enabled && l.isUsingLookupBind
}
// Enabled returns if jwks is enabled.
// Enabled returns if LDAP config is enabled.
func Enabled(kvs config.KVS) bool {
return kvs.Get(ServerAddr) != ""
}
@ -516,11 +498,13 @@ func Lookup(kvs config.KVS, rootCAs *x509.CertPool) (l Config, err error) {
// Lookup bind user configuration
lookupBindDN := env.Get(EnvLookupBindDN, kvs.Get(LookupBindDN))
if lookupBindDN == "" {
return l, errors.New("Lookup Bind DN is required")
}
lookupBindPassword := env.Get(EnvLookupBindPassword, kvs.Get(LookupBindPassword))
if lookupBindDN != "" {
l.LookupBindDN = lookupBindDN
l.LookupBindPassword = lookupBindPassword
l.isUsingLookupBind = true
// User DN search configuration
userDNSearchBaseDN := env.Get(EnvUserDNSearchBaseDN, kvs.Get(UserDNSearchBaseDN))
@ -532,11 +516,6 @@ func Lookup(kvs config.KVS, rootCAs *x509.CertPool) (l Config, err error) {
l.UserDNSearchFilter = userDNSearchFilter
}
// Lookup bind mode is mandatory
if !l.isUsingLookupBind {
return l, errors.New("Lookup Bind mode is required")
}
// Test connection to LDAP server.
if err := l.testConnection(); err != nil {
return l, fmt.Errorf("Connection test for LDAP server failed: %w", err)