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Wireguard resolve strategy (#2717)

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* 增加 wireguard 出站选项 `resolveStrategy`.

* They become a part of you.

* 移除不必要的选项别名.

* aliases NG.

* 微调.

---------

Co-authored-by: rui0572 <125641819+rui0572@users.noreply.github.com>
This commit is contained in:
yuhan6665 2023-11-12 15:52:09 -05:00 • committed by GitHub
parent cc4b28b159
commit a109389efb
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6 changed files with 175 additions and 35 deletions
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15
proxy/wireguard/wireguard.go
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@ -31,6 +31,7 @@ import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/dice"
"github.com/xtls/xray-core/common/log"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
@ -159,15 +160,23 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
addr := destination.Address
if addr.Family().IsDomain() {
ips, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
IPv4Enable: h.hasIPv4,
IPv6Enable: h.hasIPv6,
IPv4Enable: h.hasIPv4 && h.conf.preferIP4(),
IPv6Enable: h.hasIPv6 && h.conf.preferIP6(),
})
{ // Resolve fallback
if (len(ips) == 0 || err != nil) && h.conf.hasFallback() {
ips, err = h.dns.LookupIP(addr.Domain(), dns.IPOption{
IPv4Enable: h.hasIPv4 && h.conf.fallbackIP4(),
IPv6Enable: h.hasIPv6 && h.conf.fallbackIP6(),
})
}
}
if err != nil {
return newError("failed to lookup DNS").Base(err)
} else if len(ips) == 0 {
return dns.ErrEmptyResponse
}
addr = net.IPAddress(ips[0])
addr = net.IPAddress(ips[dice.Roll(len(ips))])
}
var newCtx context.Context