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dhcp4d: copy reqIP, its backing storage gets reused

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This commit is contained in:
Michael Stapelberg 2018-06-15 09:56:07 +02:00
parent 48fcf2d0ea
commit 32dd03c7f2
1 changed files with 2 additions and 1 deletions
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3
internal/dhcp4d/dhcp4d.go
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@ -172,11 +172,12 @@ func (h *Handler) ServeDHCP(p dhcp4.Packet, msgType dhcp4.MessageType, options d
lease := &Lease{ lease := &Lease{
Num: leaseNum, Num: leaseNum,
Addr: reqIP, Addr: make([]byte, 4),
HardwareAddr: p.CHAddr().String(), HardwareAddr: p.CHAddr().String(),
Expiry: time.Now().Add(h.leasePeriod), Expiry: time.Now().Add(h.leasePeriod),
Hostname: string(options[dhcp4.OptionHostName]), Hostname: string(options[dhcp4.OptionHostName]),
} }
copy(lease.Addr, reqIP.To4())
if l, ok := h.leasesHW[lease.HardwareAddr]; ok { if l, ok := h.leasesHW[lease.HardwareAddr]; ok {
if l.Expiry.IsZero() { if l.Expiry.IsZero() {