3045da1742
Merge in DNS/adguard-home from 2271-handle-nolint to master Closes #2271. Squashed commit of the following: commit fde5c8795ac79e1f7d02ba8c8e369b5a724a000e Merge: fc2acd898642dcd647Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:12:28 2020 +0300 Merge branch 'master' into 2271-handle-nolint commit fc2acd89871de08c39e80ace9e5bb8a7acb7afba Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 11:55:29 2020 +0300 dnsforward: fix test output strings commit c4ebae6ea9c293bad239519c44ca5a6c576bb921 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 16 22:43:20 2020 +0300 dnsfilter: make package pass tests commit f2d98c6acabd8977f3b1b361987eaa31eb6eb9ad Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 16 20:05:00 2020 +0300 querylog: make decoding pass tests commit ab5850d24c50d53b8393f2de448cc340241351d7 Merge: 6ed2066bf8a9c6e8a0Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 16 19:48:31 2020 +0300 Merge branch 'master' into 2271-handle-nolint commit 6ed2066bf567e13dd14cfa16fc7b109b59fa39ef Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 16 18:13:45 2020 +0300 home: fix tests naming commit af691081fb02b7500a746b16492f01f7f9befe9a Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 16 12:15:49 2020 +0300 home: impove code quality commit 2914cd3cd23ef2a1964116baab9187d89b377f86 Author: Eugene Burkov <e.burkov@adguard.com> Date: Wed Nov 11 15:46:39 2020 +0300 * querylog: remove useless check commit 9996840650e784ccc76d1f29964560435ba27dc7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Wed Nov 11 13:18:34 2020 +0300 * all: fix noticed defects commit 2b15293e59337f70302fbc0db81ebb26bee0bed2 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 20:15:53 2020 +0300 * stats: remove last nolint directive commit b2e1ddf7b58196a2fdbf879f084edb41ca1aa1eb Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 18:35:41 2020 +0300 * all: remove another nolint directive commit c6fc5cfcc9c95ab9e570a95ab41c3e5c0125e62e Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 18:11:28 2020 +0300 * querylog: remove nolint directive commit 226ddbf2c92f737f085b44a4ddf6daec7b602153 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 16:35:26 2020 +0300 * home: remove nolint directive commit 2ea3086ad41e9003282add7e996ae722d72d878b Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 16:13:57 2020 +0300 * home: reduce cyclomatic complexity of run function commit f479b480c48e0bb832ddef8f57586f56b8a55bab Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 15:35:46 2020 +0300 * home: use crypto/rand instead of math/rand commit a28d4a53e3b930136b036606fc7e78404f1d208b Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 14:11:07 2020 +0300 * dnsforward: remove gocyclo nolint directive commit 64a0a324cc2b20614ceec3ccc6505e960fe526e9 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 10 11:45:49 2020 +0300 all *: remove some nolint directives Updates #2271.
73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package home
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import "net"
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// ipDetector describes IP address properties.
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type ipDetector struct {
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nets []*net.IPNet
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}
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// newIPDetector returns a new IP detector.
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func newIPDetector() (ipd *ipDetector, err error) {
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specialNetworks := []string{
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"0.0.0.0/8",
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"10.0.0.0/8",
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"100.64.0.0/10",
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"127.0.0.0/8",
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"169.254.0.0/16",
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"172.16.0.0/12",
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"192.0.0.0/24",
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"192.0.0.0/29",
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"192.0.2.0/24",
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"192.88.99.0/24",
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"192.168.0.0/16",
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"198.18.0.0/15",
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"198.51.100.0/24",
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"203.0.113.0/24",
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"240.0.0.0/4",
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"255.255.255.255/32",
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"::1/128",
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"::/128",
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"64:ff9b::/96",
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// Since this network is used for mapping IPv4 addresses, we
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// don't include it.
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// "::ffff:0:0/96",
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"100::/64",
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"2001::/23",
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"2001::/32",
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"2001:2::/48",
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"2001:db8::/32",
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"2001:10::/28",
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"2002::/16",
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"fc00::/7",
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"fe80::/10",
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}
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ipd = &ipDetector{
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nets: make([]*net.IPNet, len(specialNetworks)),
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}
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for i, ipnetStr := range specialNetworks {
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_, ipnet, err := net.ParseCIDR(ipnetStr)
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if err != nil {
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return nil, err
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}
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ipd.nets[i] = ipnet
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}
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return ipd, nil
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}
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// detectSpecialNetwork returns true if IP address is contained by any of
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// special-purpose IP address registries according to RFC-6890
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// (https://tools.ietf.org/html/rfc6890).
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func (ipd *ipDetector) detectSpecialNetwork(ip net.IP) bool {
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for _, ipnet := range ipd.nets {
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if ipnet.Contains(ip) {
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return true
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}
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}
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return false
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}
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