mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-08-16 22:20:30 +03:00
Pull request #1329: 3529 validate dhcpv4
Merge in DNS/adguard-home from 3529-validate-dhcpv4 to master Squashed commit of the following: commit 2f2455aa13a41398cd2846f31be96da9d34ba95d Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Tue Oct 19 19:18:12 2021 +0300 dhcpv4: better test && fix changelog commit ec4ff9180e8390fb739b3be0fc76fd2c715fe691 Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 19:08:44 2021 +0300 dhcpv4: better tests commit e0e2f27b7a063ed84af170b16c3f87636cb738d2 Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 18:55:47 2021 +0300 dhcpv4: better tests commit 73e1d08e1265e336ee6339d5021f90883fe3e395 Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 18:47:21 2021 +0300 dhcpv4: better tests commit f636fc316123f26b6e2930afb4b22c18024ec93d Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 18:47:07 2021 +0300 all: updated golibs commit 86dd107a1d483ac24bd8c26422324eb8b9c3d086 Merge: 51aaf6d9b296fa22
Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 17:18:17 2021 +0300 Merge branch 'master' into 3529-validate-dhcpv4 commit 51aaf6d9eb5fbe2b4304254dc6782305a19c53fa Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 17:18:02 2021 +0300 dhcpv4: better changelog commit 720b896bb595c57fab6d376f88c8a4b1d131db40 Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 17:14:25 2021 +0300 dhcpv4: better tests commit 1098beffca8d5feb2ec104d26419210962c9a97d Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 12:08:26 2021 +0300 dhcp: changelog commit d1f6c89d68657431fb261658133c67e9e3135c1c Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 12:03:06 2021 +0300 dhcpv4: fixed tests commit 8b6713468fc04321c5238300df90bbb2d67ee679 Merge: 9991e9cb3fa38fb4
Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 11:57:57 2021 +0300 Merge branch 'master' into 3529-validate-dhcpv4 commit 9991e9cbee7dc87d8fa1d7e86e6cc7e09ab6938c Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 11:55:40 2021 +0300 dhcpv4: added tests commit 5798a80de6c060365c1c647326d46cc13ccf28cb Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Mon Oct 18 11:46:03 2021 +0300 dhcpv4: validate subnet mask and ip range
This commit is contained in:
parent
b296fa2246
commit
d7aafa7dc6
@ -46,6 +46,8 @@ and this project adheres to
|
||||
|
||||
### Changed
|
||||
|
||||
- DHCP gateway address, subnet mask, IP address range, and leases validations
|
||||
([#3529]).
|
||||
- The `systemd` service script will now create the `/var/log` directory when it
|
||||
doesn't exist ([#3579]).
|
||||
- Items in allowed clients, disallowed clients, and blocked hosts lists are now
|
||||
@ -196,6 +198,7 @@ In this release, the schema version has changed from 10 to 12.
|
||||
[#3450]: https://github.com/AdguardTeam/AdGuardHome/issues/3450
|
||||
[#3457]: https://github.com/AdguardTeam/AdGuardHome/issues/3457
|
||||
[#3506]: https://github.com/AdguardTeam/AdGuardHome/issues/3506
|
||||
[#3529]: https://github.com/AdguardTeam/AdGuardHome/issues/3529
|
||||
[#3538]: https://github.com/AdguardTeam/AdGuardHome/issues/3538
|
||||
[#3551]: https://github.com/AdguardTeam/AdGuardHome/issues/3551
|
||||
[#3564]: https://github.com/AdguardTeam/AdGuardHome/issues/3564
|
||||
|
@ -37,6 +37,9 @@
|
||||
"dhcp_ipv6_settings": "DHCP IPv6 Settings",
|
||||
"form_error_required": "Required field",
|
||||
"form_error_ip4_format": "Invalid IPv4 format",
|
||||
"form_error_ip4_range_start_format": "Invalid range start IPv4 format",
|
||||
"form_error_ip4_range_end_format": "Invalid range end IPv4 format",
|
||||
"form_error_ip4_gateway_format": "Invalid gateway IPv4 format",
|
||||
"form_error_ip6_format": "Invalid IPv6 format",
|
||||
"form_error_ip_format": "Invalid IP format",
|
||||
"form_error_mac_format": "Invalid MAC format",
|
||||
@ -45,7 +48,14 @@
|
||||
"form_error_subnet": "Subnet \"{{cidr}}\" does not contain the IP address \"{{ip}}\"",
|
||||
"form_error_positive": "Must be greater than 0",
|
||||
"form_error_negative": "Must be equal to 0 or greater",
|
||||
"range_end_error": "Must be greater than range start",
|
||||
"out_of_range_error": "Must be out of range \"{{start}}\"-\"{{end}}\"",
|
||||
"in_range_error": "Must be in range \"{{start}}\"-\"{{end}}\"",
|
||||
"lower_range_start_error": "Must be lower than range start",
|
||||
"lower_range_end_error": "Must be lower than range end",
|
||||
"greater_range_start_error": "Must be greater than range start",
|
||||
"greater_range_end_error": "Must be greater than range end",
|
||||
"subnet_error": "Addresses must be in one subnet",
|
||||
"gateway_or_subnet_invalid": "Subnet mask invalid",
|
||||
"dhcp_form_gateway_input": "Gateway IP",
|
||||
"dhcp_form_subnet_input": "Subnet mask",
|
||||
"dhcp_form_range_title": "Range of IP addresses",
|
||||
|
@ -13,6 +13,9 @@ import {
|
||||
validateIpv4,
|
||||
validateRequiredValue,
|
||||
validateIpv4RangeEnd,
|
||||
validateGatewaySubnetMask,
|
||||
validateIpForGatewaySubnetMask,
|
||||
validateNotInRange,
|
||||
} from '../../../helpers/validators';
|
||||
|
||||
const FormDHCPv4 = ({
|
||||
@ -54,7 +57,11 @@ const FormDHCPv4 = ({
|
||||
type="text"
|
||||
className="form-control"
|
||||
placeholder={t(ipv4placeholders.gateway_ip)}
|
||||
validate={[validateIpv4, validateRequired]}
|
||||
validate={[
|
||||
validateIpv4,
|
||||
validateRequired,
|
||||
validateNotInRange,
|
||||
]}
|
||||
disabled={!isInterfaceIncludesIpv4}
|
||||
/>
|
||||
</div>
|
||||
@ -66,7 +73,11 @@ const FormDHCPv4 = ({
|
||||
type="text"
|
||||
className="form-control"
|
||||
placeholder={t(ipv4placeholders.subnet_mask)}
|
||||
validate={[validateIpv4, validateRequired]}
|
||||
validate={[
|
||||
validateIpv4,
|
||||
validateRequired,
|
||||
validateGatewaySubnetMask,
|
||||
]}
|
||||
disabled={!isInterfaceIncludesIpv4}
|
||||
/>
|
||||
</div>
|
||||
@ -84,7 +95,11 @@ const FormDHCPv4 = ({
|
||||
type="text"
|
||||
className="form-control"
|
||||
placeholder={t(ipv4placeholders.range_start)}
|
||||
validate={[validateIpv4]}
|
||||
validate={[
|
||||
validateIpv4,
|
||||
validateGatewaySubnetMask,
|
||||
validateIpForGatewaySubnetMask,
|
||||
]}
|
||||
disabled={!isInterfaceIncludesIpv4}
|
||||
/>
|
||||
</div>
|
||||
@ -95,7 +110,12 @@ const FormDHCPv4 = ({
|
||||
type="text"
|
||||
className="form-control"
|
||||
placeholder={t(ipv4placeholders.range_end)}
|
||||
validate={[validateIpv4, validateIpv4RangeEnd]}
|
||||
validate={[
|
||||
validateIpv4,
|
||||
validateIpv4RangeEnd,
|
||||
validateGatewaySubnetMask,
|
||||
validateIpForGatewaySubnetMask,
|
||||
]}
|
||||
disabled={!isInterfaceIncludesIpv4}
|
||||
/>
|
||||
</div>
|
||||
|
@ -10,6 +10,7 @@ import {
|
||||
validateMac,
|
||||
validateRequiredValue,
|
||||
validateIpv4InCidr,
|
||||
validateInRange,
|
||||
} from '../../../../helpers/validators';
|
||||
import { FORM_NAME } from '../../../../helpers/constants';
|
||||
import { toggleLeaseModal } from '../../../../actions';
|
||||
@ -53,7 +54,12 @@ const Form = ({
|
||||
type="text"
|
||||
className="form-control"
|
||||
placeholder={t('form_enter_subnet_ip', { cidr })}
|
||||
validate={[validateRequiredValue, validateIpv4, validateIpv4InCidr]}
|
||||
validate={[
|
||||
validateRequiredValue,
|
||||
validateIpv4,
|
||||
validateIpv4InCidr,
|
||||
validateInRange,
|
||||
]}
|
||||
/>
|
||||
</div>
|
||||
<div className="form__group">
|
||||
|
@ -11,6 +11,8 @@ const Modal = ({
|
||||
handleSubmit,
|
||||
processingAdding,
|
||||
cidr,
|
||||
rangeStart,
|
||||
rangeEnd,
|
||||
}) => {
|
||||
const dispatch = useDispatch();
|
||||
|
||||
@ -38,10 +40,14 @@ const Modal = ({
|
||||
ip: '',
|
||||
hostname: '',
|
||||
cidr,
|
||||
rangeStart,
|
||||
rangeEnd,
|
||||
}}
|
||||
onSubmit={handleSubmit}
|
||||
processingAdding={processingAdding}
|
||||
cidr={cidr}
|
||||
rangeStart={rangeStart}
|
||||
rangeEnd={rangeEnd}
|
||||
/>
|
||||
</div>
|
||||
</ReactModal>
|
||||
@ -53,6 +59,8 @@ Modal.propTypes = {
|
||||
handleSubmit: PropTypes.func.isRequired,
|
||||
processingAdding: PropTypes.bool.isRequired,
|
||||
cidr: PropTypes.string.isRequired,
|
||||
rangeStart: PropTypes.string,
|
||||
rangeEnd: PropTypes.string,
|
||||
};
|
||||
|
||||
export default withTranslation()(Modal);
|
||||
|
@ -22,6 +22,8 @@ const StaticLeases = ({
|
||||
processingDeleting,
|
||||
staticLeases,
|
||||
cidr,
|
||||
rangeStart,
|
||||
rangeEnd,
|
||||
}) => {
|
||||
const [t] = useTranslation();
|
||||
const dispatch = useDispatch();
|
||||
@ -100,6 +102,8 @@ const StaticLeases = ({
|
||||
handleSubmit={handleSubmit}
|
||||
processingAdding={processingAdding}
|
||||
cidr={cidr}
|
||||
rangeStart={rangeStart}
|
||||
rangeEnd={rangeEnd}
|
||||
/>
|
||||
</>
|
||||
);
|
||||
@ -111,6 +115,8 @@ StaticLeases.propTypes = {
|
||||
processingAdding: PropTypes.bool.isRequired,
|
||||
processingDeleting: PropTypes.bool.isRequired,
|
||||
cidr: PropTypes.string.isRequired,
|
||||
rangeStart: PropTypes.string,
|
||||
rangeEnd: PropTypes.string,
|
||||
};
|
||||
|
||||
cellWrap.propTypes = {
|
||||
|
@ -275,6 +275,8 @@ const Dhcp = () => {
|
||||
processingAdding={processingAdding}
|
||||
processingDeleting={processingDeleting}
|
||||
cidr={cidr}
|
||||
rangeStart={dhcp?.values?.v4?.range_start}
|
||||
rangeEnd={dhcp?.values?.v4?.range_end}
|
||||
/>
|
||||
<div className="btn-list mt-2">
|
||||
<button
|
||||
|
@ -552,6 +552,20 @@ export const isIpInCidr = (ip, cidr) => {
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {string} subnetMask
|
||||
* @returns {IPv4 | null}
|
||||
*/
|
||||
export const parseSubnetMask = (subnetMask) => {
|
||||
try {
|
||||
return ipaddr.parse(subnetMask).prefixLengthFromSubnetMask();
|
||||
} catch (e) {
|
||||
console.error(e);
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {string} subnetMask
|
||||
|
@ -1,4 +1,5 @@
|
||||
import i18next from 'i18next';
|
||||
|
||||
import {
|
||||
MAX_PORT,
|
||||
R_CIDR,
|
||||
@ -14,7 +15,7 @@ import {
|
||||
R_DOMAIN,
|
||||
} from './constants';
|
||||
import { ip4ToInt, isValidAbsolutePath } from './form';
|
||||
import { isIpInCidr } from './helpers';
|
||||
import { isIpInCidr, parseSubnetMask } from './helpers';
|
||||
|
||||
// Validation functions
|
||||
// https://redux-form.com/8.3.0/examples/fieldlevelvalidation/
|
||||
@ -44,7 +45,7 @@ export const validateIpv4RangeEnd = (_, allValues) => {
|
||||
const { range_end, range_start } = allValues.v4;
|
||||
|
||||
if (ip4ToInt(range_end) <= ip4ToInt(range_start)) {
|
||||
return 'range_end_error';
|
||||
return 'greater_range_start_error';
|
||||
}
|
||||
|
||||
return undefined;
|
||||
@ -61,6 +62,114 @@ export const validateIpv4 = (value) => {
|
||||
return undefined;
|
||||
};
|
||||
|
||||
/**
|
||||
* @returns {undefined|string}
|
||||
* @param _
|
||||
* @param allValues
|
||||
*/
|
||||
export const validateNotInRange = (value, allValues) => {
|
||||
const { range_start, range_end } = allValues.v4;
|
||||
|
||||
if (range_start && validateIpv4(range_start)) {
|
||||
return 'form_error_ip4_range_start_format';
|
||||
}
|
||||
|
||||
if (range_end && validateIpv4(range_end)) {
|
||||
return 'form_error_ip4_range_end_format';
|
||||
}
|
||||
|
||||
const isAboveMin = range_start && ip4ToInt(value) >= ip4ToInt(range_start);
|
||||
const isBelowMax = range_end && ip4ToInt(value) <= ip4ToInt(range_end);
|
||||
|
||||
if (isAboveMin && isBelowMax) {
|
||||
return i18next.t('out_of_range_error', {
|
||||
start: range_start,
|
||||
end: range_end,
|
||||
});
|
||||
}
|
||||
|
||||
if (!range_end && isAboveMin) {
|
||||
return 'lower_range_start_error';
|
||||
}
|
||||
|
||||
if (!range_start && isBelowMax) {
|
||||
return 'greater_range_end_error';
|
||||
}
|
||||
|
||||
return undefined;
|
||||
};
|
||||
|
||||
/**
|
||||
* @returns {undefined|string}
|
||||
* @param _
|
||||
* @param allValues
|
||||
*/
|
||||
export const validateInRange = (value, allValues) => {
|
||||
const { rangeStart, rangeEnd } = allValues;
|
||||
|
||||
if (rangeStart && validateIpv4(rangeStart)) {
|
||||
return 'form_error_ip4_range_start_format';
|
||||
}
|
||||
|
||||
if (rangeEnd && validateIpv4(rangeEnd)) {
|
||||
return 'form_error_ip4_range_end_format';
|
||||
}
|
||||
|
||||
const isBelowMin = rangeStart && ip4ToInt(value) < ip4ToInt(rangeStart);
|
||||
const isAboveMax = rangeEnd && ip4ToInt(value) > ip4ToInt(rangeEnd);
|
||||
|
||||
if (isAboveMax || isBelowMin) {
|
||||
return i18next.t('in_range_error', {
|
||||
start: rangeStart,
|
||||
end: rangeEnd,
|
||||
});
|
||||
}
|
||||
|
||||
return undefined;
|
||||
};
|
||||
|
||||
/**
|
||||
* @returns {undefined|string}
|
||||
* @param _
|
||||
* @param allValues
|
||||
*/
|
||||
export const validateGatewaySubnetMask = (_, allValues) => {
|
||||
if (!allValues || !allValues.v4 || !allValues.v4.subnet_mask || !allValues.v4.gateway_ip) {
|
||||
return 'gateway_or_subnet_invalid';
|
||||
}
|
||||
|
||||
const { subnet_mask, gateway_ip } = allValues.v4;
|
||||
|
||||
if (validateIpv4(gateway_ip)) {
|
||||
return 'form_error_ip4_gateway_format';
|
||||
}
|
||||
|
||||
return parseSubnetMask(subnet_mask) ? undefined : 'gateway_or_subnet_invalid';
|
||||
};
|
||||
|
||||
/**
|
||||
* @returns {undefined|string}
|
||||
* @param value
|
||||
* @param allValues
|
||||
*/
|
||||
export const validateIpForGatewaySubnetMask = (value, allValues) => {
|
||||
if (!allValues || !allValues.v4 || !value) {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
const {
|
||||
gateway_ip, subnet_mask,
|
||||
} = allValues.v4;
|
||||
|
||||
const subnetPrefix = parseSubnetMask(subnet_mask);
|
||||
|
||||
if (!isIpInCidr(value, `${gateway_ip}/${subnetPrefix}`)) {
|
||||
return 'subnet_error';
|
||||
}
|
||||
|
||||
return undefined;
|
||||
};
|
||||
|
||||
/**
|
||||
* @param value {string}
|
||||
* @returns {undefined|string}
|
||||
|
2
go.mod
2
go.mod
@ -4,7 +4,7 @@ go 1.16
|
||||
|
||||
require (
|
||||
github.com/AdguardTeam/dnsproxy v0.39.8
|
||||
github.com/AdguardTeam/golibs v0.10.0
|
||||
github.com/AdguardTeam/golibs v0.10.2
|
||||
github.com/AdguardTeam/urlfilter v0.14.6
|
||||
github.com/NYTimes/gziphandler v1.1.1
|
||||
github.com/ameshkov/dnscrypt/v2 v2.2.2
|
||||
|
4
go.sum
4
go.sum
@ -14,8 +14,8 @@ github.com/AdguardTeam/dnsproxy v0.39.8/go.mod h1:eDpJKAdkHORRwAedjuERv+7SWlcz4c
|
||||
github.com/AdguardTeam/golibs v0.4.0/go.mod h1:skKsDKIBB7kkFflLJBpfGX+G8QFTx0WKUzB6TIgtUj4=
|
||||
github.com/AdguardTeam/golibs v0.4.2/go.mod h1:skKsDKIBB7kkFflLJBpfGX+G8QFTx0WKUzB6TIgtUj4=
|
||||
github.com/AdguardTeam/golibs v0.9.2/go.mod h1:fCAMwPBJ8S7YMYbTWvYS+eeTLblP5E04IDtNAo7y7IY=
|
||||
github.com/AdguardTeam/golibs v0.10.0 h1:A7MXRfZ+ItpOyS9tWKtqrLj3vZtE9FJFC+dOVY/LcWs=
|
||||
github.com/AdguardTeam/golibs v0.10.0/go.mod h1:rSfQRGHIdgfxriDDNgNJ7HmE5zRoURq8R+VdR81Zuzw=
|
||||
github.com/AdguardTeam/golibs v0.10.2 h1:TAwnS4Y49sSUa4UX1yz/MWNGbIlXHqafrWr9MxdIh9A=
|
||||
github.com/AdguardTeam/golibs v0.10.2/go.mod h1:rSfQRGHIdgfxriDDNgNJ7HmE5zRoURq8R+VdR81Zuzw=
|
||||
github.com/AdguardTeam/gomitmproxy v0.2.0/go.mod h1:Qdv0Mktnzer5zpdpi5rAwixNJzW2FN91LjKJCkVbYGU=
|
||||
github.com/AdguardTeam/urlfilter v0.14.6 h1:emqoKZElooHACYehRBYENeKVN1a/rspxiqTIMYLuoIo=
|
||||
github.com/AdguardTeam/urlfilter v0.14.6/go.mod h1:klx4JbOfc4EaNb5lWLqOwfg+pVcyRukmoJRvO55lL5U=
|
||||
|
@ -11,6 +11,7 @@ import (
|
||||
|
||||
"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
|
||||
"github.com/AdguardTeam/golibs/netutil"
|
||||
"github.com/AdguardTeam/golibs/testutil"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
@ -138,6 +139,49 @@ func TestNormalizeLeases(t *testing.T) {
|
||||
assert.Equal(t, leases[2].HWAddr, dynLeases[1].HWAddr)
|
||||
}
|
||||
|
||||
func TestV4Server_badRange(t *testing.T) {
|
||||
testCases := []struct {
|
||||
name string
|
||||
gatewayIP net.IP
|
||||
subnetMask net.IP
|
||||
wantErrMsg string
|
||||
}{{
|
||||
name: "gateway_in_range",
|
||||
gatewayIP: net.IP{192, 168, 10, 120},
|
||||
subnetMask: net.IP{255, 255, 255, 0},
|
||||
wantErrMsg: "dhcpv4: gateway ip 192.168.10.120 in the ip range: " +
|
||||
"192.168.10.20-192.168.10.200",
|
||||
}, {
|
||||
name: "outside_range_start",
|
||||
gatewayIP: net.IP{192, 168, 10, 1},
|
||||
subnetMask: net.IP{255, 255, 255, 240},
|
||||
wantErrMsg: "dhcpv4: range start 192.168.10.20 is outside network " +
|
||||
"192.168.10.1/28",
|
||||
}, {
|
||||
name: "outside_range_end",
|
||||
gatewayIP: net.IP{192, 168, 10, 1},
|
||||
subnetMask: net.IP{255, 255, 255, 224},
|
||||
wantErrMsg: "dhcpv4: range end 192.168.10.200 is outside network " +
|
||||
"192.168.10.1/27",
|
||||
}}
|
||||
|
||||
for _, tc := range testCases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
conf := V4ServerConf{
|
||||
Enabled: true,
|
||||
RangeStart: net.IP{192, 168, 10, 20},
|
||||
RangeEnd: net.IP{192, 168, 10, 200},
|
||||
GatewayIP: tc.gatewayIP,
|
||||
SubnetMask: tc.subnetMask,
|
||||
notify: testNotify,
|
||||
}
|
||||
|
||||
_, err := v4Create(conf)
|
||||
testutil.AssertErrorMsg(t, tc.wantErrMsg, err)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// cloneUDPAddr returns a deep copy of a.
|
||||
func cloneUDPAddr(a *net.UDPAddr) (clone *net.UDPAddr) {
|
||||
return &net.UDPAddr{
|
||||
|
@ -293,6 +293,8 @@ func (s *v4Server) addLease(l *Lease) (err error) {
|
||||
offset, inOffset := r.offset(l.IP)
|
||||
|
||||
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) {
|
||||
return fmt.Errorf("subnet %s does not contain the ip %q", sn, l.IP)
|
||||
}
|
||||
@ -1125,6 +1127,29 @@ func v4Create(conf V4ServerConf) (srv DHCPServer, err error) {
|
||||
return s, fmt.Errorf("dhcpv4: %w", err)
|
||||
}
|
||||
|
||||
if s.conf.ipRange.contains(routerIP) {
|
||||
return s, fmt.Errorf("dhcpv4: gateway ip %v in the ip range: %v-%v",
|
||||
routerIP,
|
||||
conf.RangeStart,
|
||||
conf.RangeEnd,
|
||||
)
|
||||
}
|
||||
|
||||
if !s.conf.subnet.Contains(conf.RangeStart) {
|
||||
return s, fmt.Errorf("dhcpv4: range start %v is outside network %v",
|
||||
conf.RangeStart,
|
||||
s.conf.subnet,
|
||||
)
|
||||
}
|
||||
|
||||
if !s.conf.subnet.Contains(conf.RangeEnd) {
|
||||
return s, fmt.Errorf("dhcpv4: range end %v is outside network %v",
|
||||
conf.RangeEnd,
|
||||
s.conf.subnet,
|
||||
)
|
||||
}
|
||||
|
||||
// TODO(a.garipov, d.seregin): Check that every lease is inside the IPRange.
|
||||
s.leasedOffsets = newBitSet()
|
||||
|
||||
if conf.LeaseDuration == 0 {
|
||||
|
Loading…
Reference in New Issue
Block a user