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[CWS] remove some vars from event types #33910

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merged 1 commit into from
Feb 12, 2025
+15 −14
Merged

[CWS] remove some vars from event types #33910

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19 changes: 10 additions & 9 deletions pkg/security/ebpf/probes/event_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -75,8 +75,15 @@ func NetworkSelectors() []manager.ProbesSelector {
}

// SyscallMonitorSelectors is the list of probes that should be activated for the syscall monitor feature
var SyscallMonitorSelectors = []manager.ProbesSelector{
&manager.ProbeSelector{ProbeIdentificationPair: manager.ProbeIdentificationPair{UID: SecurityAgentUID, EBPFFuncName: "sys_enter"}},
func SyscallMonitorSelectors() []manager.ProbesSelector {
return []manager.ProbesSelector{
&manager.ProbeSelector{
ProbeIdentificationPair: manager.ProbeIdentificationPair{
UID: SecurityAgentUID,
EBPFFuncName: "sys_enter",
},
},
}
}

// SnapshotSelectors selectors required during the snapshot
Expand All @@ -92,15 +99,9 @@ func SnapshotSelectors(fentry bool) []manager.ProbesSelector {
}
}

var selectorsPerEventTypeStore map[eval.EventType][]manager.ProbesSelector

// GetSelectorsPerEventType returns the list of probes that should be activated for each event
func GetSelectorsPerEventType(fentry bool) map[eval.EventType][]manager.ProbesSelector {
if selectorsPerEventTypeStore != nil {
return selectorsPerEventTypeStore
}

selectorsPerEventTypeStore = map[eval.EventType][]manager.ProbesSelector{
selectorsPerEventTypeStore := map[eval.EventType][]manager.ProbesSelector{
// The following probes will always be activated, regardless of the loaded rules
"*": {
// Exec probes
Expand Down
10 changes: 5 additions & 5 deletions pkg/security/probe/probe_ebpf.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1537,13 +1537,13 @@ func (p *EBPFProbe) updateProbes(ruleEventTypes []eval.EventType, needRawSyscall
}

if needRawSyscalls {
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors...)
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors()...)
} else {
// ActivityDumps
if p.config.RuntimeSecurity.ActivityDumpEnabled {
for _, e := range p.profileManagers.GetActivityDumpTracedEventTypes() {
if e == model.SyscallsEventType {
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors...)
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors()...)
break
}
}
Expand All @@ -1552,7 +1552,7 @@ func (p *EBPFProbe) updateProbes(ruleEventTypes []eval.EventType, needRawSyscall
if p.config.RuntimeSecurity.AnomalyDetectionEnabled {
for _, e := range p.profileManagers.GetAnomalyDetectionEventTypes() {
if e == model.SyscallsEventType {
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors...)
activatedProbes = append(activatedProbes, probes.SyscallMonitorSelectors()...)
break
}
}
Expand Down Expand Up @@ -2178,7 +2178,7 @@ func (p *EBPFProbe) initManagerOptionsActivatedProbes(config *config.Config) {
for _, e := range config.RuntimeSecurity.ActivityDumpTracedEventTypes {
if e == model.SyscallsEventType {
// Add syscall monitor probes
p.managerOptions.ActivatedProbes = append(p.managerOptions.ActivatedProbes, probes.SyscallMonitorSelectors...)
p.managerOptions.ActivatedProbes = append(p.managerOptions.ActivatedProbes, probes.SyscallMonitorSelectors()...)
break
}
}
Expand All @@ -2187,7 +2187,7 @@ func (p *EBPFProbe) initManagerOptionsActivatedProbes(config *config.Config) {
for _, e := range config.RuntimeSecurity.AnomalyDetectionEventTypes {
if e == model.SyscallsEventType {
// Add syscall monitor probes
p.managerOptions.ActivatedProbes = append(p.managerOptions.ActivatedProbes, probes.SyscallMonitorSelectors...)
p.managerOptions.ActivatedProbes = append(p.managerOptions.ActivatedProbes, probes.SyscallMonitorSelectors()...)
break
}
}
Expand Down
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