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tun: support multiple IPs

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This commit is contained in:
ginuerzh
2022-12-22 17:44:30 +08:00
parent 67bbdbf5a3
commit fb29d5c80e
9 changed files with 128 additions and 99 deletions
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29
listener/tun/metadata.go
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@ -29,17 +29,30 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
)
config := &tun_util.Config{
Name: mdutil.GetString(md, name),
Net: mdutil.GetString(md, netKey),
Peer: mdutil.GetString(md, peer),
MTU: mdutil.GetInt(md, mtu),
Gateway: mdutil.GetString(md, gateway),
Name: mdutil.GetString(md, name),
Peer: mdutil.GetString(md, peer),
MTU: mdutil.GetInt(md, mtu),
}
if config.MTU <= 0 {
config.MTU = DefaultMTU
}
if gw := mdutil.GetString(md, gateway); gw != "" {
config.Gateway = net.ParseIP(gw)
}
gw := net.ParseIP(config.Gateway)
for _, s := range strings.Split(mdutil.GetString(md, netKey), ",") {
if s = strings.TrimSpace(s); s == "" {
continue
}
ip, ipNet, err := net.ParseCIDR(s)
if err != nil {
continue
}
config.Net = append(config.Net, net.IPNet{
IP: ip,
Mask: ipNet.Mask,
})
}
for _, s := range strings.Split(mdutil.GetString(md, route), ",") {
var route tun_util.Route
@ -48,7 +61,7 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
continue
}
route.Net = *ipNet
route.Gateway = gw
route.Gateway = config.Gateway
config.Routes = append(config.Routes, route)
}
@ -64,7 +77,7 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
route.Net = *ipNet
route.Gateway = net.ParseIP(ss[1])
if route.Gateway == nil {
route.Gateway = gw
route.Gateway = config.Gateway
}
config.Routes = append(config.Routes, route)