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https://github.com/netbirdio/netbird.git
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1230d5891b
Skip IPv6 link-local and multicast addresses when building the peer network_addresses list on non-iOS platforms, matching the existing iOS behavior. A flapping NIC's link-local address otherwise churns the peer meta on every interface up/down.
46 lines
998 B
Go
46 lines
998 B
Go
//go:build !ios
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package system
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import (
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"net"
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"testing"
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)
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func mustIPNet(t *testing.T, cidr string) *net.IPNet {
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t.Helper()
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ip, ipNet, err := net.ParseCIDR(cidr)
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if err != nil {
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t.Fatalf("parse %q: %v", cidr, err)
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}
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ipNet.IP = ip
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return ipNet
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}
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func TestToNetworkAddress_Filtering(t *testing.T) {
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const mac = "c8:4b:d6:b6:04:ac"
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tests := []struct {
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name string
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cidr string
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want bool
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}{
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{"ipv4 global", "10.65.16.181/23", true},
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{"ipv6 global", "2620:52:0:4110:102d:6a98:ee75:8b92/64", true},
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{"ipv4 loopback", "127.0.0.1/8", false},
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{"ipv6 loopback", "::1/128", false},
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{"ipv6 link-local", "fe80::871:4c25:23d7:2529/64", false},
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{"ipv4 link-local", "169.254.1.2/16", false},
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{"ipv6 multicast", "ff02::1/128", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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_, got := toNetworkAddress(mustIPNet(t, tt.cidr), mac)
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if got != tt.want {
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t.Errorf("toNetworkAddress(%s) ok = %v, want %v", tt.cidr, got, tt.want)
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}
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})
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}
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}
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