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Make updater optional & add configurable listing #67

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Sep 20, 2023
Merged

Make updater optional & add configurable listing #67

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9 changes: 5 additions & 4 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -64,10 +64,11 @@ func main() {
log.Fatal("main: failed to parse options: %v", err)
}

wg.Add(2)
// go yaraUpdate(&wg)
go runner.ScheduleYaraHunterUpdater(opts, &wg)
// go yaraResults(&wg)
if *opts.EnableUpdater {
wg.Add(1)
go runner.ScheduleYaraHunterUpdater(opts, &wg)
}
wg.Add(1)
go runner.StartYaraHunter(opts, config, &wg)
wg.Wait()
}
4 changes: 4 additions & 0 deletions pkg/config/options.go
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Expand Up @@ -37,6 +37,8 @@ type Options struct {
FailOnHighCount *int
FailOnMediumCount *int
FailOnLowCount *int
RulesListingUrl *string
EnableUpdater *bool
}

func ParseOptions() (*Options, error) {
Expand Down Expand Up @@ -67,6 +69,8 @@ func ParseOptions() (*Options, error) {
FailOnHighCount: flag.Int("fail-on-high-count", -1, "Exit with status 1 if number of high malwares found is >= this value (Default: -1)"),
FailOnMediumCount: flag.Int("fail-on-medium-count", -1, "Exit with status 1 if number of medium malwares found is >= this value (Default: -1)"),
FailOnLowCount: flag.Int("fail-on-low-count", -1, "Exit with status 1 if number of low malwares found is >= this value (Default: -1)"),
RulesListingUrl: flag.String("rules-listing-url", "https://threat-intel.deepfence.io/yara-rules/listing.json", "Deepfence threat intel yara rules listing (Default: threat-intel.deepfence.io/yara-rules/listing.json)"),
EnableUpdater: flag.Bool("enable-updater", true, "Enable rules updater (Default: true)"),
}
flag.Parse()
return options, nil
Expand Down
6 changes: 3 additions & 3 deletions pkg/runner/updater.go
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Expand Up @@ -27,21 +27,21 @@ func ScheduleYaraHunterUpdater(opts *config.Options, newwg *sync.WaitGroup) {
// emits, we print `tock`
for t := range ticker.C {
fmt.Println("Invoked at ", t)
err := StartYaraHunterUpdater(*opts.RulesPath, *opts.ConfigPath)
err := StartYaraHunterUpdater(*opts.RulesPath, *opts.ConfigPath, *opts.RulesListingUrl)
if err != nil {
log.Fatal("main: failed to serve: %v", err)
}
}
}
}

func StartYaraHunterUpdater(rulesPath string, configPath string) error {
func StartYaraHunterUpdater(rulesPath, configPath, rulesListingUrl string) error {
err, yaraRuleUpdater := NewYaraRuleUpdater(rulesPath)
if err != nil {
log.Errorf("main: failed to serve: %v", err)
return err
}
_, err = utils.DownloadFile("https://threat-intel.deepfence.io/yara-rules/listing.json", configPath)
_, err = utils.DownloadFile(rulesListingUrl, configPath)
if err != nil {
log.Errorf("main: failed to serve: %v", err)
return err
Expand Down