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Outbound: Add outbound sendThrough origin behavior (#4349)

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* added support of sending through origin for outbounds

* added strings package import

* usage of net.SplitHostPort instead of manual splitting

---------

Co-authored-by: poly <poly@>
This commit is contained in:
lastrise 2025-02-21 00:15:59 +04:00 committed by GitHub
parent b786a50aee
commit 89792aee9d
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GPG Key ID: B5690EEEBB952194
2 changed files with 13 additions and 2 deletions
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11
app/proxyman/outbound/handler.go
View File

@ -273,7 +273,16 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
outbounds := session.OutboundsFromContext(ctx)
ob := outbounds[len(outbounds)-1]
if h.senderSettings.ViaCidr == "" {
ob.Gateway = h.senderSettings.Via.AsAddress()
if h.senderSettings.Via.AsAddress().Family().IsDomain() && h.senderSettings.Via.AsAddress().Domain() == "origin" {
if inbound := session.InboundFromContext(ctx); inbound != nil {
origin, _, err := net.SplitHostPort(inbound.Conn.LocalAddr().String())
if err == nil {
ob.Gateway = net.ParseAddress(origin)
}
}
} else {
ob.Gateway = h.senderSettings.Via.AsAddress()
}
} else { //Get a random address.
ob.Gateway = ParseRandomIPv6(h.senderSettings.Via.AsAddress(), h.senderSettings.ViaCidr)
}

4
infra/conf/xray.go
View File

@ -292,7 +292,9 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
senderSettings.ViaCidr = strings.Split(*c.SendThrough, "/")[1]
} else {
if address.Family().IsDomain() {
return nil, errors.New("unable to send through: " + address.String())
if address.Address.Domain() != "origin" {
return nil, errors.New("unable to send through: " + address.String())
}
}
}
senderSettings.Via = address.Build()