mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-11-22 21:15:35 +03:00
7e64205d44
Closes #2803.
Squashed commit of the following:
commit cb36cc8811160bb39a32fb8eddf962d0ebe9035a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Mar 12 14:21:46 2021 +0300
home: imp more
commit 9ea7ccec8bb293881cf724d7ad57e6744243d8b9
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Mar 12 13:58:10 2021 +0300
all: imp naming, refactor http srv shutdown
commit f29221007c16fd3e7230bf2c1ac37b365f3e29aa
Merge: 2247c05b bfbf73f3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Mar 12 13:35:17 2021 +0300
Merge branch 'master' into 2803-shadow-4
commit 2247c05b5521346aaf362d81ccdd64fee31f1e6d
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Jan 29 20:53:21 2021 +0300
home: rm var shadowing, vol. 4
73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package home
|
|
|
|
import "net"
|
|
|
|
// ipDetector describes IP address properties.
|
|
type ipDetector struct {
|
|
nets []*net.IPNet
|
|
}
|
|
|
|
// newIPDetector returns a new IP detector.
|
|
func newIPDetector() (ipd *ipDetector, err error) {
|
|
specialNetworks := []string{
|
|
"0.0.0.0/8",
|
|
"10.0.0.0/8",
|
|
"100.64.0.0/10",
|
|
"127.0.0.0/8",
|
|
"169.254.0.0/16",
|
|
"172.16.0.0/12",
|
|
"192.0.0.0/24",
|
|
"192.0.0.0/29",
|
|
"192.0.2.0/24",
|
|
"192.88.99.0/24",
|
|
"192.168.0.0/16",
|
|
"198.18.0.0/15",
|
|
"198.51.100.0/24",
|
|
"203.0.113.0/24",
|
|
"240.0.0.0/4",
|
|
"255.255.255.255/32",
|
|
"::1/128",
|
|
"::/128",
|
|
"64:ff9b::/96",
|
|
// Since this network is used for mapping IPv4 addresses, we
|
|
// don't include it.
|
|
// "::ffff:0:0/96",
|
|
"100::/64",
|
|
"2001::/23",
|
|
"2001::/32",
|
|
"2001:2::/48",
|
|
"2001:db8::/32",
|
|
"2001:10::/28",
|
|
"2002::/16",
|
|
"fc00::/7",
|
|
"fe80::/10",
|
|
}
|
|
|
|
ipd = &ipDetector{
|
|
nets: make([]*net.IPNet, len(specialNetworks)),
|
|
}
|
|
for i, ipnetStr := range specialNetworks {
|
|
var ipnet *net.IPNet
|
|
_, ipnet, err = net.ParseCIDR(ipnetStr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ipd.nets[i] = ipnet
|
|
}
|
|
|
|
return ipd, nil
|
|
}
|
|
|
|
// detectSpecialNetwork returns true if IP address is contained by any of
|
|
// special-purpose IP address registries according to RFC-6890
|
|
// (https://tools.ietf.org/html/rfc6890).
|
|
func (ipd *ipDetector) detectSpecialNetwork(ip net.IP) bool {
|
|
for _, ipnet := range ipd.nets {
|
|
if ipnet.Contains(ip) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|