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all: sync with master

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This commit is contained in:
Ainar Garipov
2022-11-02 16:18:02 +03:00
parent 16755c37d8
commit c9314610d4
173 changed files with 11539 additions and 6928 deletions
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27
internal/dhcpd/v4_unix.go
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@@ -6,6 +6,7 @@ import (
"bytes"
"fmt"
"net"
"net/netip"
"strings"
"sync"
"time"
@@ -295,7 +296,8 @@ func (s *v4Server) addLease(l *Lease) (err error) {
if l.IsStatic() {
// TODO(a.garipov, d.seregin): Subnet can be nil when dhcp server is
// disabled.
if sn := s.conf.subnet; !sn.Contains(l.IP) {
addr := netip.AddrFrom4(*(*[4]byte)(l.IP.To4()))
if sn := s.conf.subnet; !sn.Contains(addr) {
return fmt.Errorf("subnet %s does not contain the ip %q", sn, l.IP)
}
} else if !inOffset {
@@ -353,7 +355,7 @@ func (s *v4Server) AddStaticLease(l *Lease) (err error) {
ip := l.IP.To4()
if ip == nil {
return fmt.Errorf("invalid ip %q, only ipv4 is supported", l.IP)
} else if gwIP := s.conf.GatewayIP; gwIP.Equal(ip) {
} else if gwIP := s.conf.GatewayIP; gwIP == netip.AddrFrom4(*(*[4]byte)(ip)) {
return fmt.Errorf("can't assign the gateway IP %s to the lease", gwIP)
}
@@ -701,7 +703,8 @@ func (s *v4Server) handleSelecting(
// Client inserts the address of the selected server in server identifier,
// ciaddr MUST be zero.
mac := req.ClientHWAddr
if !sid.Equal(s.conf.dnsIPAddrs[0]) {
if !sid.Equal(s.conf.dnsIPAddrs[0].AsSlice()) {
log.Debug("dhcpv4: bad server identifier in req msg for %s: %s", mac, sid)
return nil, false
@@ -733,7 +736,8 @@ func (s *v4Server) handleSelecting(
func (s *v4Server) handleInitReboot(req *dhcpv4.DHCPv4, reqIP net.IP) (l *Lease, needsReply bool) {
mac := req.ClientHWAddr
if ip4 := reqIP.To4(); ip4 == nil {
ip4 := reqIP.To4()
if ip4 == nil {
log.Debug("dhcpv4: bad requested address in req msg for %s: %s", mac, reqIP)
return nil, false
@@ -747,7 +751,7 @@ func (s *v4Server) handleInitReboot(req *dhcpv4.DHCPv4, reqIP net.IP) (l *Lease,
return nil, false
}
if !s.conf.subnet.Contains(reqIP) {
if !s.conf.subnet.Contains(netip.AddrFrom4(*(*[4]byte)(ip4))) {
// If the DHCP server detects that the client is on the wrong net then
// the server SHOULD send a DHCPNAK message to the client.
log.Debug("dhcpv4: wrong subnet in init-reboot req msg for %s: %s", mac, reqIP)
@@ -972,7 +976,7 @@ func (s *v4Server) handle(req, resp *dhcpv4.DHCPv4) int {
// Include server's identifier option since any reply should contain it.
//
// See https://datatracker.ietf.org/doc/html/rfc2131#page-29.
resp.UpdateOption(dhcpv4.OptServerIdentifier(s.conf.dnsIPAddrs[0]))
resp.UpdateOption(dhcpv4.OptServerIdentifier(s.conf.dnsIPAddrs[0].AsSlice()))
// TODO(a.garipov): Refactor this into handlers.
var l *Lease
@@ -1014,7 +1018,7 @@ func (s *v4Server) handle(req, resp *dhcpv4.DHCPv4) int {
}
if l != nil {
resp.YourIPAddr = netutil.CloneIP(l.IP)
resp.YourIPAddr = slices.Clone(l.IP)
}
s.updateOptions(req, resp)
@@ -1188,7 +1192,14 @@ func (s *v4Server) Start() (err error) {
s.implicitOpts.Update(dhcpv4.OptDNS(dnsIPAddrs...))
}
s.conf.dnsIPAddrs = dnsIPAddrs
for _, ip := range dnsIPAddrs {
ip = ip.To4()
if ip == nil {
continue
}
s.conf.dnsIPAddrs = append(s.conf.dnsIPAddrs, netip.AddrFrom4(*(*[4]byte)(ip)))
}
var c net.PacketConn
if c, err = s.newDHCPConn(iface); err != nil {