kevin
808b991483
- service.go: 移除无意义的 peerIP = serverIP（对端指向自己），改为 nil - service.go: Configure 之后新增 AddSubnetRoute 调用，确保内核有到 VPN 子网的路由 - tun_linux.go: Configure 增加 peerIP != nil 守卫，nil 时直接走无 peer 分支 - tun_darwin.go: 同上 peerIP != nil 守卫
33 lines
823 B
Go
33 lines
823 B
Go
//go:build linux
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package vpn
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import (
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"fmt"
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"net"
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)
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func (t *TUNInterface) Configure(localIP net.IP, prefix int, peerIP net.IP) error {
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if err := execCmd("ip", "link", "set", "dev", t.Name(), "up"); err != nil {
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return err
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}
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if localIP == nil {
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return nil
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}
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localCidr := fmt.Sprintf("%s/%d", localIP.String(), prefix)
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if peerIP != nil {
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if err := execCmd("ip", "addr", "add", "dev", t.Name(), localCidr, "peer", peerIP.String()); err == nil {
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return nil
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}
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}
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return execCmd("ip", "addr", "add", "dev", t.Name(), localCidr)
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}
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func (t *TUNInterface) AddSubnetRoute(subnet *net.IPNet) error {
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return execCmd("ip", "route", "add", subnet.String(), "dev", t.Name())
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}
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func (t *TUNInterface) SetMTU(mtu int) error {
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return execCmd("ip", "link", "set", "dev", t.Name(), "mtu", fmt.Sprintf("%d", mtu))
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}
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