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Pull request: 3225 bsd dhcp

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Merge in DNS/adguard-home from 3225-bsd-dhcp to master

Closes #3225.
Closes #3417.

Squashed commit of the following:

commit e7ea691824c7ebc8cafd8c9e206679346cbc8592
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Thu Aug 12 17:02:02 2021 +0300

    all: imp code, docs

commit 5b598fc18a9b69a0256569f4c691bb6a2193dfbd
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Thu Aug 12 16:28:12 2021 +0300

    all: mv logic, imp code, docs, log changes

commit e3e1577a668fe3e5c61d075c390e4bd7268181ba
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Thu Aug 12 14:15:10 2021 +0300

    dhcpd: imp checkother

commit 3cc8b058195c30a7ef0b7741ee8463270d9e47ff
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Wed Aug 11 13:20:18 2021 +0300

    all: imp bsd support
This commit is contained in:
Eugene Burkov
2021-08-12 17:33:53 +03:00
parent 00f2927663
commit 506b459842
21 changed files with 522 additions and 272 deletions
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16
internal/aghnet/net.go
View File

@@ -294,3 +294,19 @@ func CollectAllIfacesAddrs() (addrs []string, err error) {
return addrs, nil
}
// BroadcastFromIPNet calculates the broadcast IP address for n.
func BroadcastFromIPNet(n *net.IPNet) (dc net.IP) {
dc = netutil.CloneIP(n.IP)
mask := n.Mask
if mask == nil {
mask = dc.DefaultMask()
}
for i, b := range mask {
dc[i] |= ^b
}
return dc
}