From 39e9b3bb8a25cdfdbc2203e33c6881a7c2c88766 Mon Sep 17 00:00:00 2001
From: Nayana Bidari <nybidari@google.com>
Date: Fri, 23 Oct 2020 10:46:12 -0700
Subject: Support getsockopt for SO_ACCEPTCONN.
The SO_ACCEPTCONN option is used only on getsockopt(). When this option is
specified, getsockopt() indicates whether socket listening is enabled for
the socket. A value of zero indicates that socket listening is disabled;
non-zero that it is enabled.
PiperOrigin-RevId: 338703206
---
pkg/sentry/socket/netstack/netstack.go | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'pkg/sentry/socket/netstack')
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index 211f07947..86c634715 100644
--- a/pkg/sentry/socket/netstack/netstack.go
+++ b/pkg/sentry/socket/netstack/netstack.go
@@ -1244,6 +1244,18 @@ func getSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, fam
vP := primitive.Int32(boolToInt32(v))
return &vP, nil
+ case linux.SO_ACCEPTCONN:
+ if outLen < sizeOfInt32 {
+ return nil, syserr.ErrInvalidArgument
+ }
+
+ v, err := ep.GetSockOptBool(tcpip.AcceptConnOption)
+ if err != nil {
+ return nil, syserr.TranslateNetstackError(err)
+ }
+ vP := primitive.Int32(boolToInt32(v))
+ return &vP, nil
+
default:
socket.GetSockOptEmitUnimplementedEvent(t, name)
}
--
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