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https://github.com/netbirdio/netbird.git
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1d9feab2d9
Works only with userspace implementation: 1. Configure host to solve DNS requests via a fake DSN server address in the Netbird network. 2. Add to firewall catch rule for these DNS requests. 3. Resolve these DNS requests and respond by writing directly to wireguard device.
32 lines
615 B
Go
32 lines
615 B
Go
package dns
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import (
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"net"
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"testing"
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)
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func TestGetLastIPFromNetwork(t *testing.T) {
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tests := []struct {
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addr string
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ip string
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}{
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{"2001:db8::/32", "2001:db8:ffff:ffff:ffff:ffff:ffff:fffe"},
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{"192.168.0.0/30", "192.168.0.2"},
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{"192.168.0.0/16", "192.168.255.254"},
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{"192.168.0.0/24", "192.168.0.254"},
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}
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for _, tt := range tests {
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_, ipnet, err := net.ParseCIDR(tt.addr)
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if err != nil {
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t.Errorf("Error parsing CIDR: %v", err)
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return
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}
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lastIP := getLastIPFromNetwork(ipnet, 1)
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if lastIP != tt.ip {
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t.Errorf("wrong IP address, expected %s: got %s", tt.ip, lastIP)
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}
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}
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}
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