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Outbound: Fix sendthrough srcip precheck (#4750)

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Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>
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Aubrey Yang 2025-06-06 10:54:15 +09:00 • committed by GitHub
parent af7a76da67
commit 028e1114e6
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GPG key ID: B5690EEEBB952194
2 changed files with 17 additions and 12 deletions
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26
app/proxyman/outbound/handler.go
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@ -279,11 +279,9 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
outbounds := session.OutboundsFromContext(ctx)
ob := outbounds[len(outbounds)-1]
addr := h.senderSettings.Via.AsAddress()
var domain string
if addr.Family().IsDomain() {
domain = addr.Domain()
}
addr := h.senderSettings.Via.AsAddress()
domain = h.senderSettings.Via.GetDomain()
switch {
case h.senderSettings.ViaCidr != "":
ob.Gateway = ParseRandomIP(addr, h.senderSettings.ViaCidr)
@ -291,18 +289,24 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
case 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)
if inbound.Conn != nil {
origin, _, err := net.SplitHostPort(inbound.Conn.LocalAddr().String())
if err == nil {
ob.Gateway = net.ParseAddress(origin)
errors.LogDebug(ctx, "use receive package ip as snedthrough: ", origin)
}
}
}
case domain == "srcip":
if inbound := session.InboundFromContext(ctx); inbound != nil {
srcip, _, err := net.SplitHostPort(inbound.Conn.RemoteAddr().String())
if err == nil {
ob.Gateway = net.ParseAddress(srcip)
if inbound.Conn != nil {
clientaddr, _, err := net.SplitHostPort(inbound.Conn.RemoteAddr().String())
if err == nil {
ob.Gateway = net.ParseAddress(clientaddr)
errors.LogDebug(ctx, "use client src ip as snedthrough: ", clientaddr)
}
}
}
//case addr.Family().IsDomain():
default: