AdGuardHome/internal/aghnet/dhcp_unix.go

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//go:build darwin || freebsd || linux || openbsd
package aghnet
import (
"bytes"
"fmt"
"net"
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"net/netip"
"os"
"time"
"github.com/AdguardTeam/golibs/errors"
"github.com/AdguardTeam/golibs/log"
"github.com/AdguardTeam/golibs/netutil"
"github.com/insomniacslk/dhcp/dhcpv4"
"github.com/insomniacslk/dhcp/dhcpv6"
"github.com/insomniacslk/dhcp/dhcpv6/nclient6"
"github.com/insomniacslk/dhcp/iana"
)
// defaultDiscoverTime is the default timeout of checking another DHCP server
// response.
const defaultDiscoverTime = 3 * time.Second
func checkOtherDHCP(ifaceName string) (ok4, ok6 bool, err4, err6 error) {
iface, err := net.InterfaceByName(ifaceName)
if err != nil {
err = fmt.Errorf("couldn't find interface by name %s: %w", ifaceName, err)
err4, err6 = err, err
return false, false, err4, err6
}
ok4, err4 = checkOtherDHCPv4(iface)
ok6, err6 = checkOtherDHCPv6(iface)
return ok4, ok6, err4, err6
}
// ifaceIPv4Subnet returns the first suitable IPv4 subnetwork iface has.
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func ifaceIPv4Subnet(iface *net.Interface) (subnet netip.Prefix, err error) {
var addrs []net.Addr
if addrs, err = iface.Addrs(); err != nil {
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return netip.Prefix{}, err
}
for _, a := range addrs {
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var ip net.IP
var maskLen int
switch a := a.(type) {
case *net.IPAddr:
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ip = a.IP
maskLen, _ = ip.DefaultMask().Size()
case *net.IPNet:
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ip = a.IP
maskLen, _ = a.Mask.Size()
default:
continue
}
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if ip = ip.To4(); ip != nil {
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return netip.PrefixFrom(netip.AddrFrom4([4]byte(ip)), maskLen), nil
}
}
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return netip.Prefix{}, fmt.Errorf("interface %s has no ipv4 addresses", iface.Name)
}
// checkOtherDHCPv4 sends a DHCP request to the specified network interface, and
// waits for a response for a period defined by defaultDiscoverTime.
func checkOtherDHCPv4(iface *net.Interface) (ok bool, err error) {
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var subnet netip.Prefix
if subnet, err = ifaceIPv4Subnet(iface); err != nil {
return false, err
}
// Resolve broadcast addr.
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dst := netip.AddrPortFrom(BroadcastFromPref(subnet), 67).String()
var dstAddr *net.UDPAddr
if dstAddr, err = net.ResolveUDPAddr("udp4", dst); err != nil {
return false, fmt.Errorf("couldn't resolve UDP address %s: %w", dst, err)
}
var hostname string
if hostname, err = os.Hostname(); err != nil {
return false, fmt.Errorf("couldn't get hostname: %w", err)
}
return discover4(iface, dstAddr, hostname)
}
func discover4(iface *net.Interface, dstAddr *net.UDPAddr, hostname string) (ok bool, err error) {
var req *dhcpv4.DHCPv4
if req, err = dhcpv4.NewDiscovery(iface.HardwareAddr); err != nil {
return false, fmt.Errorf("dhcpv4.NewDiscovery: %w", err)
}
req.Options.Update(dhcpv4.OptClientIdentifier(iface.HardwareAddr))
req.Options.Update(dhcpv4.OptHostName(hostname))
req.SetBroadcast()
// Bind to 0.0.0.0:68.
//
// On OpenBSD binding to the port 68 competes with dhclient's binding,
// so that all incoming packets are ignored and the discovering process
// is spoiled.
//
// It's also known that listening on the specified interface's address
// ignores broadcast packets when reading.
var c net.PacketConn
if c, err = listenPacketReusable(iface.Name, "udp4", ":68"); err != nil {
Pull request:* all: remove github.com/joomcode/errorx dependency Merge in DNS/adguard-home from 2240-removing-errorx-dependency to master Squashed commit of the following: commit 5bbe0567356f06e3b9ee5b3dc38d357b472cacb1 Merge: a6040850d 02d16a0b4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:32:22 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit a6040850da3cefb131208097477b0956e80063fb Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:23:36 2020 +0300 * dhcpd: convert some abbreviations to lowercase. commit d05bd51b994906b0ff52c5a8e779bd1f512f4bb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 12:47:20 2020 +0300 * agherr: last final fixes commit 164bca55035ff44e50b0abb33e129a0d24ffe87c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 19:11:10 2020 +0300 * all: final fixes again commit a0ac26f409c0b28a176cf2861d52c2f471b59484 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 18:51:39 2020 +0300 * all: final fixes commit 6147b02d402b513323b07e85856b348884f3a088 Merge: 9fd3af1a3 62cc334f4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:26:03 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit 9fd3af1a39a3189b5c41315a8ad1568ae5cb4fc9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:23:08 2020 +0300 * all: remove useless helper commit 7cd9aeae639762b28b25f354d69c5cf74f670211 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 17:19:26 2020 +0300 * agherr: improved code tidiness commit a74a49236e9aaace070646dac710de9201105262 Merge: dc9dedbf2 df34ee5c0 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:54:29 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit dc9dedbf205756e3adaa3bc776d349bf3d8c69a5 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:40:08 2020 +0300 * agherr: improve and cover by tests commit fd6bfe9e282156cc60e006cb7cd46cce4d3a07a8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 14:06:27 2020 +0300 * all: improve code quality commit ea00c2f8c5060e9611f9a80cfd0e4a039526d0c4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 13:03:57 2020 +0300 * all: fix linter style warnings commit 8e75e1a681a7218c2b4c69adfa2b7e1e2966f9ac Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 12:29:26 2020 +0300 * all: remove github.com/joomcode/errorx dependency Closes #2240.
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return false, fmt.Errorf("couldn't listen on :68: %w", err)
}
defer func() { err = errors.WithDeferred(err, c.Close()) }()
// Send to broadcast.
if _, err = c.WriteTo(req.ToBytes(), dstAddr); err != nil {
return false, fmt.Errorf("couldn't send a packet to %s: %w", dstAddr, err)
}
for {
if err = c.SetDeadline(time.Now().Add(defaultDiscoverTime)); err != nil {
return false, fmt.Errorf("setting deadline: %w", err)
}
var next bool
ok, next, err = tryConn4(req, c, iface)
if next {
if err != nil {
log.Debug("dhcpv4: trying a connection: %s", err)
}
continue
}
if err != nil {
return false, err
}
return ok, nil
}
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
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// TODO(a.garipov): Refactor further. Inspect error handling, remove parameter
// next, address the TODO, merge with tryConn6, etc.
func tryConn4(req *dhcpv4.DHCPv4, c net.PacketConn, iface *net.Interface) (ok, next bool, err error) {
// TODO: replicate dhclient's behavior of retrying several times with
// progressively longer timeouts.
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
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log.Tracef("dhcpv4: waiting %v for an answer", defaultDiscoverTime)
b := make([]byte, 1500)
n, _, err := c.ReadFrom(b)
if err != nil {
if errors.Is(err, os.ErrDeadlineExceeded) {
log.Debug("dhcpv4: didn't receive dhcp response")
return false, false, nil
}
return false, false, fmt.Errorf("receiving packet: %w", err)
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
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log.Tracef("dhcpv4: received packet, %d bytes", n)
response, err := dhcpv4.FromBytes(b[:n])
if err != nil {
log.Debug("dhcpv4: encoding: %s", err)
return false, true, err
}
log.Debug("dhcpv4: received message from server: %s", response.Summary())
switch {
case
response.OpCode != dhcpv4.OpcodeBootReply,
response.HWType != iana.HWTypeEthernet,
!bytes.Equal(response.ClientHWAddr, iface.HardwareAddr),
response.TransactionID != req.TransactionID,
!response.Options.Has(dhcpv4.OptionDHCPMessageType):
log.Debug("dhcpv4: received response doesn't match the request")
return false, true, nil
default:
log.Tracef("dhcpv4: the packet is from an active dhcp server")
return true, false, nil
}
}
// checkOtherDHCPv6 sends a DHCP request to the specified network interface, and
// waits for a response for a period defined by defaultDiscoverTime.
func checkOtherDHCPv6(iface *net.Interface) (ok bool, err error) {
ifaceIPNet, err := IfaceIPAddrs(iface, IPVersion6)
if err != nil {
return false, fmt.Errorf("getting ipv6 addrs for iface %s: %w", iface.Name, err)
}
if len(ifaceIPNet) == 0 {
return false, fmt.Errorf("interface %s has no ipv6 addresses", iface.Name)
}
srcIP := ifaceIPNet[0]
src := netutil.JoinHostPort(srcIP.String(), 546)
dst := "[ff02::1:2]:547"
udpAddr, err := net.ResolveUDPAddr("udp6", src)
if err != nil {
Pull request:* all: remove github.com/joomcode/errorx dependency Merge in DNS/adguard-home from 2240-removing-errorx-dependency to master Squashed commit of the following: commit 5bbe0567356f06e3b9ee5b3dc38d357b472cacb1 Merge: a6040850d 02d16a0b4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:32:22 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit a6040850da3cefb131208097477b0956e80063fb Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:23:36 2020 +0300 * dhcpd: convert some abbreviations to lowercase. commit d05bd51b994906b0ff52c5a8e779bd1f512f4bb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 12:47:20 2020 +0300 * agherr: last final fixes commit 164bca55035ff44e50b0abb33e129a0d24ffe87c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 19:11:10 2020 +0300 * all: final fixes again commit a0ac26f409c0b28a176cf2861d52c2f471b59484 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 18:51:39 2020 +0300 * all: final fixes commit 6147b02d402b513323b07e85856b348884f3a088 Merge: 9fd3af1a3 62cc334f4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:26:03 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit 9fd3af1a39a3189b5c41315a8ad1568ae5cb4fc9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:23:08 2020 +0300 * all: remove useless helper commit 7cd9aeae639762b28b25f354d69c5cf74f670211 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 17:19:26 2020 +0300 * agherr: improved code tidiness commit a74a49236e9aaace070646dac710de9201105262 Merge: dc9dedbf2 df34ee5c0 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:54:29 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit dc9dedbf205756e3adaa3bc776d349bf3d8c69a5 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:40:08 2020 +0300 * agherr: improve and cover by tests commit fd6bfe9e282156cc60e006cb7cd46cce4d3a07a8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 14:06:27 2020 +0300 * all: improve code quality commit ea00c2f8c5060e9611f9a80cfd0e4a039526d0c4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 13:03:57 2020 +0300 * all: fix linter style warnings commit 8e75e1a681a7218c2b4c69adfa2b7e1e2966f9ac Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 12:29:26 2020 +0300 * all: remove github.com/joomcode/errorx dependency Closes #2240.
2020-11-05 15:20:57 +03:00
return false, fmt.Errorf("dhcpv6: Couldn't resolve UDP address %s: %w", src, err)
}
if !udpAddr.IP.To16().Equal(srcIP) {
Pull request:* all: remove github.com/joomcode/errorx dependency Merge in DNS/adguard-home from 2240-removing-errorx-dependency to master Squashed commit of the following: commit 5bbe0567356f06e3b9ee5b3dc38d357b472cacb1 Merge: a6040850d 02d16a0b4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:32:22 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit a6040850da3cefb131208097477b0956e80063fb Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:23:36 2020 +0300 * dhcpd: convert some abbreviations to lowercase. commit d05bd51b994906b0ff52c5a8e779bd1f512f4bb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 12:47:20 2020 +0300 * agherr: last final fixes commit 164bca55035ff44e50b0abb33e129a0d24ffe87c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 19:11:10 2020 +0300 * all: final fixes again commit a0ac26f409c0b28a176cf2861d52c2f471b59484 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 18:51:39 2020 +0300 * all: final fixes commit 6147b02d402b513323b07e85856b348884f3a088 Merge: 9fd3af1a3 62cc334f4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:26:03 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit 9fd3af1a39a3189b5c41315a8ad1568ae5cb4fc9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:23:08 2020 +0300 * all: remove useless helper commit 7cd9aeae639762b28b25f354d69c5cf74f670211 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 17:19:26 2020 +0300 * agherr: improved code tidiness commit a74a49236e9aaace070646dac710de9201105262 Merge: dc9dedbf2 df34ee5c0 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:54:29 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit dc9dedbf205756e3adaa3bc776d349bf3d8c69a5 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:40:08 2020 +0300 * agherr: improve and cover by tests commit fd6bfe9e282156cc60e006cb7cd46cce4d3a07a8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 14:06:27 2020 +0300 * all: improve code quality commit ea00c2f8c5060e9611f9a80cfd0e4a039526d0c4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 13:03:57 2020 +0300 * all: fix linter style warnings commit 8e75e1a681a7218c2b4c69adfa2b7e1e2966f9ac Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 12:29:26 2020 +0300 * all: remove github.com/joomcode/errorx dependency Closes #2240.
2020-11-05 15:20:57 +03:00
return false, fmt.Errorf("dhcpv6: Resolved UDP address is not %s: %w", src, err)
}
dstAddr, err := net.ResolveUDPAddr("udp6", dst)
if err != nil {
Pull request:* all: remove github.com/joomcode/errorx dependency Merge in DNS/adguard-home from 2240-removing-errorx-dependency to master Squashed commit of the following: commit 5bbe0567356f06e3b9ee5b3dc38d357b472cacb1 Merge: a6040850d 02d16a0b4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:32:22 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit a6040850da3cefb131208097477b0956e80063fb Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:23:36 2020 +0300 * dhcpd: convert some abbreviations to lowercase. commit d05bd51b994906b0ff52c5a8e779bd1f512f4bb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 12:47:20 2020 +0300 * agherr: last final fixes commit 164bca55035ff44e50b0abb33e129a0d24ffe87c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 19:11:10 2020 +0300 * all: final fixes again commit a0ac26f409c0b28a176cf2861d52c2f471b59484 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 18:51:39 2020 +0300 * all: final fixes commit 6147b02d402b513323b07e85856b348884f3a088 Merge: 9fd3af1a3 62cc334f4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:26:03 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit 9fd3af1a39a3189b5c41315a8ad1568ae5cb4fc9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:23:08 2020 +0300 * all: remove useless helper commit 7cd9aeae639762b28b25f354d69c5cf74f670211 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 17:19:26 2020 +0300 * agherr: improved code tidiness commit a74a49236e9aaace070646dac710de9201105262 Merge: dc9dedbf2 df34ee5c0 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:54:29 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit dc9dedbf205756e3adaa3bc776d349bf3d8c69a5 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:40:08 2020 +0300 * agherr: improve and cover by tests commit fd6bfe9e282156cc60e006cb7cd46cce4d3a07a8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 14:06:27 2020 +0300 * all: improve code quality commit ea00c2f8c5060e9611f9a80cfd0e4a039526d0c4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 13:03:57 2020 +0300 * all: fix linter style warnings commit 8e75e1a681a7218c2b4c69adfa2b7e1e2966f9ac Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 12:29:26 2020 +0300 * all: remove github.com/joomcode/errorx dependency Closes #2240.
2020-11-05 15:20:57 +03:00
return false, fmt.Errorf("dhcpv6: Couldn't resolve UDP address %s: %w", dst, err)
}
return discover6(iface, udpAddr, dstAddr)
}
func discover6(iface *net.Interface, udpAddr, dstAddr *net.UDPAddr) (ok bool, err error) {
req, err := dhcpv6.NewSolicit(iface.HardwareAddr)
if err != nil {
return false, fmt.Errorf("dhcpv6: dhcpv6.NewSolicit: %w", err)
}
log.Debug("DHCPv6: Listening to udp6 %+v", udpAddr)
c, err := nclient6.NewIPv6UDPConn(iface.Name, dhcpv6.DefaultClientPort)
if err != nil {
Pull request:* all: remove github.com/joomcode/errorx dependency Merge in DNS/adguard-home from 2240-removing-errorx-dependency to master Squashed commit of the following: commit 5bbe0567356f06e3b9ee5b3dc38d357b472cacb1 Merge: a6040850d 02d16a0b4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:32:22 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit a6040850da3cefb131208097477b0956e80063fb Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 14:23:36 2020 +0300 * dhcpd: convert some abbreviations to lowercase. commit d05bd51b994906b0ff52c5a8e779bd1f512f4bb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 5 12:47:20 2020 +0300 * agherr: last final fixes commit 164bca55035ff44e50b0abb33e129a0d24ffe87c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 19:11:10 2020 +0300 * all: final fixes again commit a0ac26f409c0b28a176cf2861d52c2f471b59484 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Nov 3 18:51:39 2020 +0300 * all: final fixes commit 6147b02d402b513323b07e85856b348884f3a088 Merge: 9fd3af1a3 62cc334f4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:26:03 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit 9fd3af1a39a3189b5c41315a8ad1568ae5cb4fc9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 18:23:08 2020 +0300 * all: remove useless helper commit 7cd9aeae639762b28b25f354d69c5cf74f670211 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 17:19:26 2020 +0300 * agherr: improved code tidiness commit a74a49236e9aaace070646dac710de9201105262 Merge: dc9dedbf2 df34ee5c0 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:54:29 2020 +0300 Merge branch 'master' into 2240-removing-errorx-dependency commit dc9dedbf205756e3adaa3bc776d349bf3d8c69a5 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 16:40:08 2020 +0300 * agherr: improve and cover by tests commit fd6bfe9e282156cc60e006cb7cd46cce4d3a07a8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 14:06:27 2020 +0300 * all: improve code quality commit ea00c2f8c5060e9611f9a80cfd0e4a039526d0c4 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 13:03:57 2020 +0300 * all: fix linter style warnings commit 8e75e1a681a7218c2b4c69adfa2b7e1e2966f9ac Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 3 12:29:26 2020 +0300 * all: remove github.com/joomcode/errorx dependency Closes #2240.
2020-11-05 15:20:57 +03:00
return false, fmt.Errorf("dhcpv6: Couldn't listen on :546: %w", err)
}
defer func() { err = errors.WithDeferred(err, c.Close()) }()
_, err = c.WriteTo(req.ToBytes(), dstAddr)
if err != nil {
return false, fmt.Errorf("dhcpv6: Couldn't send a packet to %s: %w", dstAddr, err)
}
for {
var next bool
ok, next, err = tryConn6(req, c)
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
if next {
if err != nil {
log.Debug("dhcpv6: trying a connection: %s", err)
}
continue
}
if err != nil {
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
return false, err
}
return ok, nil
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
}
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
// TODO(a.garipov): See the comment on tryConn4. Sigh…
func tryConn6(req *dhcpv6.Message, c net.PacketConn) (ok, next bool, err error) {
// TODO: replicate dhclient's behavior of retrying several times with
// progressively longer timeouts.
log.Tracef("dhcpv6: waiting %v for an answer", defaultDiscoverTime)
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
b := make([]byte, 4096)
err = c.SetDeadline(time.Now().Add(defaultDiscoverTime))
if err != nil {
return false, false, fmt.Errorf("setting deadline: %w", err)
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
n, _, err := c.ReadFrom(b)
if err != nil {
if errors.Is(err, os.ErrDeadlineExceeded) {
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
log.Debug("dhcpv6: didn't receive dhcp response")
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
return false, false, nil
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
return false, false, fmt.Errorf("receiving packet: %w", err)
}
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
log.Tracef("dhcpv6: received packet, %d bytes", n)
response, err := dhcpv6.FromBytes(b[:n])
if err != nil {
log.Debug("dhcpv6: encoding: %s", err)
return false, true, err
}
log.Debug("dhcpv6: received message from server: %s", response.Summary())
cid := req.Options.ClientID()
msg, err := response.GetInnerMessage()
if err != nil {
log.Debug("dhcpv6: resp.GetInnerMessage(): %s", err)
return false, true, err
}
rcid := msg.Options.ClientID()
if !(response.Type() == dhcpv6.MessageTypeAdvertise &&
msg.TransactionID == req.TransactionID &&
rcid != nil &&
2023-06-07 20:04:01 +03:00
cid.Equal(rcid)) {
Pull request: return 501 when we don't support features Merge in DNS/adguard-home from 2295-dhcp-windows to master Updates #2295. Squashed commit of the following: commit 3b00a90c3d9bc33e9af478e4062c0f938d4f327d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 16:45:43 2020 +0300 all: use the 501 handlers instead of the real ones, revert other changes commit 0a3b37736a21abd6181e0d28c32069e8d7a576d0 Merge: 45feba755 6358240e9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:59:15 2020 +0300 Merge branch 'master' into 2295-dhcp-windows and update commit 45feba755dde37e43cc8075b896e1576157341e6 Merge: cd987d8bc a19523b25 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Nov 16 15:51:16 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit cd987d8bc2cd524b7454d9037b595069714645f9 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 15:55:23 2020 +0300 all: improve tests and refactor dhcp checking code even more commit 3aad675443f325b5909523bcc1c987aa04ac61d9 Merge: 70c477e61 09196118e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:44:43 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit 70c477e61cdc1237603918f1c44470c1549f1136 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 14:34:06 2020 +0300 home: fix dhcpd test on windows commit e59597d783fb9304e63f94eee2b5a5d67a5b2169 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:38:25 2020 +0300 all: mention the feature in the changelog commit 5555c8d881b1c20b5b0a0cb096a17cf56e209c06 Merge: c3b6a5a93 e802e6645 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Nov 13 13:35:35 2020 +0300 Merge branch 'master' into 2295-dhcp-windows commit c3b6a5a930693090838eb1ef9f75a09b5b223ba6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 20:37:09 2020 +0300 util: fix comment commit ed92dfdb5d3a6c4ba5d032cbe781e7fd87882813 Author: ArtemBaskal <asbaskal@miem.hse.ru> Date: Thu Nov 12 20:24:14 2020 +0300 Adapt client commit e6f0494c20a4ad5388492af9091568eea5c6e2d6 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Nov 12 13:35:25 2020 +0300 return 501 when we don't support features
2020-11-16 19:01:12 +03:00
log.Debug("dhcpv6: received message from server doesn't match our request")
return false, true, nil
}
log.Tracef("dhcpv6: the packet is from an active dhcp server")
return true, false, nil
}