teach/adlin
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checker: fix segv

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This commit is contained in:
nemunaire 2021-03-14 10:58:53 +01:00
parent fbaad50fbd
commit 78e7da799a
1 changed files with 10 additions and 2 deletions
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12
checker/checker.go
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@ -106,7 +106,7 @@ func check_dns(domain, ip string) (aaaa net.IP, err error) {
} }
func check_dnssec(domain, ip string) (err error) { func check_dnssec(domain, ip string) (err error) {
client := dns.Client{Timeout: time.Second * 5} client := dns.Client{Net: "tcp", Timeout: time.Second * 10}
// Get DNSKEY // Get DNSKEY
m := new(dns.Msg) m := new(dns.Msg)
@ -138,6 +138,10 @@ func check_dnssec(domain, ip string) (err error) {
} }
} }
if dnskeysig == nil {
return fmt.Errorf("Unable to verify DNSKEY record signature: No RRSIG found for DNSKEY record.")
}
found := false found := false
for _, dnskey := range dnskeys { for _, dnskey := range dnskeys {
if err = dnskeysig.Verify(dnskey, rrs); err == nil { if err = dnskeysig.Verify(dnskey, rrs); err == nil {
@ -180,7 +184,11 @@ func check_dnssec(domain, ip string) (err error) {
} }
if len(aaaas) == 0 { if len(aaaas) == 0 {
return errors.New("") return errors.New("Something odd happen: no AAAA record found.")
}
if aaaasig == nil {
return fmt.Errorf("Unable to verify AAAA record signature: No RRSIG found for AAAA record.")
} }
found = false found = false