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: 45feba7556358240e9
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: cd987d8bca19523b25
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: 70c477e6109196118e
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: c3b6a5a93e802e6645
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
This commit is contained in:
parent
6358240e9b
commit
bf4c256c72
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@ -20,4 +20,6 @@ and this project adheres to
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### Fixed
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- `404 Not Found` errors on the DHCP settings page on *Windows*. The page now
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correctly shows that DHCP is not currently available on that OS (#2295).
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- Infinite loop in `/dhcp/find_active_dhcp` (#2301).
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@ -373,10 +373,14 @@ export const getDhcpStatusFailure = createAction('GET_DHCP_STATUS_FAILURE');
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export const getDhcpStatus = () => async (dispatch) => {
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dispatch(getDhcpStatusRequest());
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try {
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const status = await apiClient.getDhcpStatus();
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const globalStatus = await apiClient.getGlobalStatus();
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if (globalStatus.dhcp_available) {
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const status = await apiClient.getDhcpStatus();
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status.dhcp_available = globalStatus.dhcp_available;
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dispatch(getDhcpStatusSuccess(status));
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} else {
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dispatch(getDhcpStatusFailure());
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}
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} catch (error) {
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dispatch(addErrorToast({ error }));
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dispatch(getDhcpStatusFailure());
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@ -74,10 +74,11 @@ const Interfaces = () => {
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const interfaceValue = interface_name && interfaces[interface_name];
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return !processingInterfaces
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&& interfaces
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&& <>
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<div className="row dhcp__interfaces">
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if (processingInterfaces || !interfaces) {
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return null;
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}
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return <div className="row dhcp__interfaces">
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<div className="col col__dhcp">
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<Field
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name="interface_name"
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@ -94,8 +95,7 @@ const Interfaces = () => {
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</div>
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{interfaceValue
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&& renderInterfaceValues(interfaceValue)}
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</div>
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</>;
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</div>;
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};
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renderInterfaceValues.propTypes = {
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@ -65,9 +65,14 @@ const Dhcp = () => {
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useEffect(() => {
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dispatch(getDhcpStatus());
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dispatch(getDhcpInterfaces());
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}, []);
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useEffect(() => {
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if (dhcp_available) {
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dispatch(getDhcpInterfaces());
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}
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}, [dhcp_available]);
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useEffect(() => {
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const [ipv4] = interfaces?.[interface_name]?.ipv4_addresses ?? [];
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const [ipv6] = interfaces?.[interface_name]?.ipv6_addresses ?? [];
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@ -86,7 +86,7 @@ func CheckIfOtherDHCPServersPresentV4(ifaceName string) (bool, error) {
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}
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for {
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ok, next, err := tryConn(req, c, iface)
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ok, next, err := tryConn4(req, c, iface)
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if next {
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if err != nil {
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log.Debug("dhcpv4: trying a connection: %s", err)
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@ -103,12 +103,12 @@ func CheckIfOtherDHCPServersPresentV4(ifaceName string) (bool, error) {
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}
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}
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// TODO(a.garipov): Refactor further. Inspect error handling, remove the next
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// parameter, address the TODO, etc.
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func tryConn(req *dhcpv4.DHCPv4, c net.PacketConn, iface *net.Interface) (ok, next bool, err error) {
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// TODO(a.garipov): Refactor further. Inspect error handling, remove parameter
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// next, address the TODO, merge with tryConn6, etc.
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func tryConn4(req *dhcpv4.DHCPv4, c net.PacketConn, iface *net.Interface) (ok, next bool, err error) {
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// TODO: replicate dhclient's behavior of retrying several times with
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// progressively longer timeouts.
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log.Tracef("waiting %v for an answer", defaultDiscoverTime)
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log.Tracef("dhcpv4: waiting %v for an answer", defaultDiscoverTime)
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b := make([]byte, 1500)
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err = c.SetDeadline(time.Now().Add(defaultDiscoverTime))
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@ -127,7 +127,7 @@ func tryConn(req *dhcpv4.DHCPv4, c net.PacketConn, iface *net.Interface) (ok, ne
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return false, false, fmt.Errorf("receiving packet: %w", err)
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}
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log.Tracef("received packet, %d bytes", n)
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log.Tracef("dhcpv4: received packet, %d bytes", n)
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response, err := dhcpv4.FromBytes(b[:n])
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if err != nil {
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@ -149,7 +149,7 @@ func tryConn(req *dhcpv4.DHCPv4, c net.PacketConn, iface *net.Interface) (ok, ne
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return false, true, nil
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}
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log.Tracef("the packet is from an active dhcp server")
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log.Tracef("dhcpv4: the packet is from an active dhcp server")
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return true, false, nil
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}
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@ -208,43 +208,77 @@ func CheckIfOtherDHCPServersPresentV6(ifaceName string) (bool, error) {
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}
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for {
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log.Debug("DHCPv6: Waiting %v for an answer", defaultDiscoverTime)
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b := make([]byte, 4096)
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_ = c.SetReadDeadline(time.Now().Add(defaultDiscoverTime))
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n, _, err := c.ReadFrom(b)
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if isTimeout(err) {
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log.Debug("DHCPv6: didn't receive DHCP response")
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return false, nil
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}
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ok, next, err := tryConn6(req, c)
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if next {
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if err != nil {
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return false, fmt.Errorf("couldn't receive packet: %w", err)
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log.Debug("dhcpv6: trying a connection: %s", err)
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}
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log.Debug("DHCPv6: Received packet (%v bytes)", n)
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resp, err := dhcpv6.FromBytes(b[:n])
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if err != nil {
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log.Debug("DHCPv6: dhcpv6.FromBytes: %s", err)
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continue
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}
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log.Debug("DHCPv6: received message from server: %s", resp.Summary())
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cid := req.Options.ClientID()
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msg, err := resp.GetInnerMessage()
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if err != nil {
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log.Debug("DHCPv6: resp.GetInnerMessage: %s", err)
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continue
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}
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rcid := msg.Options.ClientID()
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if resp.Type() == dhcpv6.MessageTypeAdvertise &&
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msg.TransactionID == req.TransactionID &&
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rcid != nil &&
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cid.Equal(*rcid) {
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log.Debug("DHCPv6: The packet is from an active DHCP server")
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if ok {
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return true, nil
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}
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if err != nil {
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return false, err
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}
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}
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}
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log.Debug("DHCPv6: received message from server doesn't match our request")
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// TODO(a.garipov): See the comment on tryConn4. Sigh…
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func tryConn6(req *dhcpv6.Message, c net.PacketConn) (ok, next bool, err error) {
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// TODO: replicate dhclient's behavior of retrying several times with
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// progressively longer timeouts.
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log.Tracef("dhcpv6: waiting %v for an answer", defaultDiscoverTime)
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b := make([]byte, 4096)
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err = c.SetDeadline(time.Now().Add(defaultDiscoverTime))
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if err != nil {
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return false, false, fmt.Errorf("setting deadline: %w", err)
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}
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n, _, err := c.ReadFrom(b)
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if err != nil {
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if isTimeout(err) {
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log.Debug("dhcpv6: didn't receive dhcp response")
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return false, false, nil
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}
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return false, false, fmt.Errorf("receiving packet: %w", err)
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}
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log.Tracef("dhcpv6: received packet, %d bytes", n)
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response, err := dhcpv6.FromBytes(b[:n])
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if err != nil {
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log.Debug("dhcpv6: encoding: %s", err)
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return false, true, err
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}
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log.Debug("dhcpv6: received message from server: %s", response.Summary())
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cid := req.Options.ClientID()
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msg, err := response.GetInnerMessage()
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if err != nil {
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log.Debug("dhcpv6: resp.GetInnerMessage(): %s", err)
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return false, true, err
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}
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rcid := msg.Options.ClientID()
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if !(response.Type() == dhcpv6.MessageTypeAdvertise &&
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msg.TransactionID == req.TransactionID &&
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rcid != nil &&
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cid.Equal(*rcid)) {
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log.Debug("dhcpv6: received message from server doesn't match our request")
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return false, true, nil
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}
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log.Tracef("dhcpv6: the packet is from an active dhcp server")
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return true, false, nil
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}
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@ -1,3 +1,4 @@
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// Package dhcpd provides a DHCP server.
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package dhcpd
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import (
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@ -5,6 +6,7 @@ import (
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"net"
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"net/http"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"time"
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@ -13,8 +15,10 @@ import (
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"github.com/AdguardTeam/golibs/log"
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)
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const defaultDiscoverTime = time.Second * 3
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const leaseExpireStatic = 1
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const (
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defaultDiscoverTime = time.Second * 3
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leaseExpireStatic = 1
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)
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var webHandlersRegistered = false
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@ -82,7 +86,8 @@ func (s *Server) CheckConfig(config ServerConfig) error {
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// Create - create object
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func Create(config ServerConfig) *Server {
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s := Server{}
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s := &Server{}
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s.conf.Enabled = config.Enabled
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s.conf.InterfaceName = config.InterfaceName
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s.conf.HTTPRegister = config.HTTPRegister
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@ -90,10 +95,23 @@ func Create(config ServerConfig) *Server {
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s.conf.DBFilePath = filepath.Join(config.WorkDir, dbFilename)
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if !webHandlersRegistered && s.conf.HTTPRegister != nil {
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webHandlersRegistered = true
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if runtime.GOOS == "windows" {
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// Our DHCP server doesn't work on Windows yet, so
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// signal that to the front with an HTTP 501.
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//
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// TODO(a.garipov): This needs refactoring. We
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// shouldn't even try and initialize a DHCP server on
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// Windows, but there are currently too many
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// interconnected parts--such as HTTP handlers and
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// frontend--to make that work properly.
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s.registerNotImplementedHandlers()
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} else {
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s.registerHandlers()
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}
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webHandlersRegistered = true
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}
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var err4, err6 error
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v4conf := config.Conf4
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v4conf.Enabled = s.conf.Enabled
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@ -130,7 +148,7 @@ func Create(config ServerConfig) *Server {
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// we can't delay database loading until DHCP server is started,
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// because we need static leases functionality available beforehand
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s.dbLoad()
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return &s
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return s
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}
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// server calls this function after DB is updated
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@ -11,7 +11,6 @@ import (
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"time"
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"github.com/AdguardTeam/AdGuardHome/internal/util"
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"github.com/AdguardTeam/golibs/jsonutil"
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"github.com/AdguardTeam/golibs/log"
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)
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@ -499,11 +498,48 @@ func (s *Server) handleReset(w http.ResponseWriter, r *http.Request) {
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}
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func (s *Server) registerHandlers() {
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s.conf.HTTPRegister("GET", "/control/dhcp/status", s.handleDHCPStatus)
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s.conf.HTTPRegister("GET", "/control/dhcp/interfaces", s.handleDHCPInterfaces)
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s.conf.HTTPRegister("POST", "/control/dhcp/set_config", s.handleDHCPSetConfig)
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s.conf.HTTPRegister("POST", "/control/dhcp/find_active_dhcp", s.handleDHCPFindActiveServer)
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s.conf.HTTPRegister("POST", "/control/dhcp/add_static_lease", s.handleDHCPAddStaticLease)
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s.conf.HTTPRegister("POST", "/control/dhcp/remove_static_lease", s.handleDHCPRemoveStaticLease)
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s.conf.HTTPRegister("POST", "/control/dhcp/reset", s.handleReset)
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s.conf.HTTPRegister(http.MethodGet, "/control/dhcp/status", s.handleDHCPStatus)
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s.conf.HTTPRegister(http.MethodGet, "/control/dhcp/interfaces", s.handleDHCPInterfaces)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/set_config", s.handleDHCPSetConfig)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/find_active_dhcp", s.handleDHCPFindActiveServer)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/add_static_lease", s.handleDHCPAddStaticLease)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/remove_static_lease", s.handleDHCPRemoveStaticLease)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/reset", s.handleReset)
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}
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// jsonError is a generic JSON error response.
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type jsonError struct {
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// Message is the error message, an opaque string.
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Message string `json:"message"`
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}
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// notImplemented returns a handler that replies to any request with an HTTP 501
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// Not Implemented status and a JSON error with the provided message msg.
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//
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// TODO(a.garipov): Either take the logger from the server after we've
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// refactored logging or make this not a method of *Server.
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func (s *Server) notImplemented(msg string) (f func(http.ResponseWriter, *http.Request)) {
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return func(w http.ResponseWriter, _ *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusNotImplemented)
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err := json.NewEncoder(w).Encode(&jsonError{
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Message: msg,
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})
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if err != nil {
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log.Debug("writing 501 json response: %s", err)
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}
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}
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}
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func (s *Server) registerNotImplementedHandlers() {
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h := s.notImplemented("dhcp is not supported on windows")
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s.conf.HTTPRegister(http.MethodGet, "/control/dhcp/status", h)
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s.conf.HTTPRegister(http.MethodGet, "/control/dhcp/interfaces", h)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/set_config", h)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/find_active_dhcp", h)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/add_static_lease", h)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/remove_static_lease", h)
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s.conf.HTTPRegister(http.MethodPost, "/control/dhcp/reset", h)
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}
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@ -0,0 +1,22 @@
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package dhcpd
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|
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import (
|
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"net/http"
|
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"net/http/httptest"
|
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"testing"
|
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|
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"github.com/stretchr/testify/assert"
|
||||
)
|
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|
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func TestServer_notImplemented(t *testing.T) {
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s := &Server{}
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h := s.notImplemented("never!")
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|
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w := httptest.NewRecorder()
|
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r, err := http.NewRequest(http.MethodGet, "/unsupported", nil)
|
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assert.Nil(t, err)
|
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|
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h(w, r)
|
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assert.Equal(t, http.StatusNotImplemented, w.Code)
|
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assert.Equal(t, `{"message":"never!"}`+"\n", w.Body.String())
|
||||
}
|
|
@ -17,7 +17,8 @@ import (
|
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"github.com/AdguardTeam/golibs/log"
|
||||
)
|
||||
|
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// Check if network interface has a static IP configured
|
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// HasStaticIP check if the network interface has a static IP configured
|
||||
//
|
||||
// Supports: Raspbian.
|
||||
func HasStaticIP(ifaceName string) (bool, error) {
|
||||
if runtime.GOOS == "linux" {
|
||||
|
@ -36,7 +37,7 @@ func HasStaticIP(ifaceName string) (bool, error) {
|
|||
return false, fmt.Errorf("cannot check if IP is static: not supported on %s", runtime.GOOS)
|
||||
}
|
||||
|
||||
// Set a static IP for the specified network interface
|
||||
// SetStaticIP sets a static IP for the network interface.
|
||||
func SetStaticIP(ifaceName string) error {
|
||||
if runtime.GOOS == "linux" {
|
||||
return setStaticIPDhcpdConf(ifaceName)
|
||||
|
|
|
@ -6,6 +6,7 @@ import (
|
|||
"net"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"runtime"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
|
@ -46,6 +47,7 @@ func handleStatus(w http.ResponseWriter, r *http.Request) {
|
|||
if Context.dnsServer != nil {
|
||||
Context.dnsServer.WriteDiskConfig(&c)
|
||||
}
|
||||
|
||||
data := map[string]interface{}{
|
||||
"dns_addresses": getDNSAddresses(),
|
||||
"http_port": config.BindPort,
|
||||
|
@ -56,7 +58,17 @@ func handleStatus(w http.ResponseWriter, r *http.Request) {
|
|||
|
||||
"protection_enabled": c.ProtectionEnabled,
|
||||
}
|
||||
|
||||
if runtime.GOOS == "windows" {
|
||||
// Set the DHCP to false explicitly, because Context.dhcpServer
|
||||
// is probably not nil, despite the fact that there is no
|
||||
// support for DHCP on Windows in AdGuardHome.
|
||||
//
|
||||
// See also the TODO in dhcpd.Create.
|
||||
data["dhcp_available"] = false
|
||||
} else {
|
||||
data["dhcp_available"] = (Context.dhcpServer != nil)
|
||||
}
|
||||
|
||||
jsonVal, err := json.Marshal(data)
|
||||
if err != nil {
|
||||
|
|
|
@ -20,18 +20,16 @@ import (
|
|||
"syscall"
|
||||
"time"
|
||||
|
||||
"gopkg.in/natefinch/lumberjack.v2"
|
||||
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/agherr"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/update"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/util"
|
||||
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/dhcpd"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/dnsfilter"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/dnsforward"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/querylog"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/stats"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/update"
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/util"
|
||||
"github.com/AdguardTeam/golibs/log"
|
||||
"gopkg.in/natefinch/lumberjack.v2"
|
||||
)
|
||||
|
||||
const (
|
||||
|
@ -216,12 +214,12 @@ func run(args options) {
|
|||
config.DHCP.WorkDir = Context.workDir
|
||||
config.DHCP.HTTPRegister = httpRegister
|
||||
config.DHCP.ConfigModified = onConfigModified
|
||||
if runtime.GOOS != "windows" {
|
||||
|
||||
Context.dhcpServer = dhcpd.Create(config.DHCP)
|
||||
if Context.dhcpServer == nil {
|
||||
log.Fatalf("Can't initialize DHCP module")
|
||||
}
|
||||
log.Fatalf("can't initialize dhcp module")
|
||||
}
|
||||
|
||||
Context.autoHosts.Init("")
|
||||
|
||||
Context.updater = update.NewUpdater(update.Config{
|
||||
|
|
|
@ -1,3 +1,7 @@
|
|||
// Package util contains various utilities.
|
||||
//
|
||||
// TODO(a.garipov): Such packages are widely considered an antipattern. Remove
|
||||
// this when we refactor our project structure.
|
||||
package util
|
||||
|
||||
import (
|
||||
|
|
|
@ -339,6 +339,12 @@ paths:
|
|||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/DhcpStatus"
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/dhcp/set_config:
|
||||
post:
|
||||
tags:
|
||||
|
@ -353,6 +359,12 @@ paths:
|
|||
responses:
|
||||
"200":
|
||||
description: OK
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/dhcp/find_active_dhcp:
|
||||
post:
|
||||
tags:
|
||||
|
@ -366,6 +378,12 @@ paths:
|
|||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/DhcpSearchResult"
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/dhcp/add_static_lease:
|
||||
post:
|
||||
tags:
|
||||
|
@ -377,6 +395,12 @@ paths:
|
|||
responses:
|
||||
"200":
|
||||
description: OK
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/dhcp/remove_static_lease:
|
||||
post:
|
||||
tags:
|
||||
|
@ -388,6 +412,12 @@ paths:
|
|||
responses:
|
||||
"200":
|
||||
description: OK
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/dhcp/reset:
|
||||
post:
|
||||
tags:
|
||||
|
@ -397,6 +427,12 @@ paths:
|
|||
responses:
|
||||
"200":
|
||||
description: OK
|
||||
"501":
|
||||
content:
|
||||
application/json:
|
||||
schema:
|
||||
$ref: "#/components/schemas/Error"
|
||||
description: Not implemented (for example, on Windows).
|
||||
/filtering/status:
|
||||
get:
|
||||
tags:
|
||||
|
@ -1976,3 +2012,10 @@ components:
|
|||
password:
|
||||
type: string
|
||||
description: Password
|
||||
Error:
|
||||
description: A generic JSON error response.
|
||||
properties:
|
||||
message:
|
||||
type: string
|
||||
description: The error message, an opaque string.
|
||||
type: object
|
||||
|
|
Loading…
Reference in New Issue