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vql/linux/audit: register PID when auditd is not running #94

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vql/linux/audit: register PID when auditd is not running #94

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7 changes: 7 additions & 0 deletions vql/linux/audit/audit_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,13 @@ func (self *realCommandClient) GetStatus() (*libaudit.AuditStatus, error) {
return self.client.GetStatus()
}

func (self *realCommandClient) SetPID(wm libaudit.WaitMode) error {
if self.client == nil {
return clientNotOpenErr
}
return self.client.SetPID(wm)
}

func (self *realCommandClient) SetEnabled(enabled bool, wm libaudit.WaitMode) error {
if self.client == nil {
return clientNotOpenErr
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11 changes: 11 additions & 0 deletions vql/linux/audit/audit_service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,7 @@ type commandClient interface {
DeleteRule(rule []byte) error
GetRules() ([][]byte, error)
GetStatus() (*libaudit.AuditStatus, error)
SetPID(wm libaudit.WaitMode) error
SetEnabled(enabled bool, wm libaudit.WaitMode) error
Close() error
}
Expand Down Expand Up @@ -243,6 +244,16 @@ func (self *auditService) runService() error {
self.logger.Info("audit: enabled kernel audit subsystem")
}

if status.PID == 0 {
err = self.commandClient.SetPID(libaudit.WaitForReply)
if err != nil {
cancel()
self.commandClient.Close()
self.listener.Close()
return fmt.Errorf("failed to set audit PID: %w", err)
}
}

// Can only fail if self is nil
reassembler, _ := libaudit.NewReassembler(5, 500*time.Millisecond, self)

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