From 25f0eb4512a57e305ed0bff00eb276812a7c8de6 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sun, 2 Feb 2014 15:47:48 -0500
Subject: Add a sandbox rule to allow IP_TRANSPARENT

---
 src/common/sandbox.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/common/sandbox.c b/src/common/sandbox.c
index dec6bfeea5..6b78748834 100644
--- a/src/common/sandbox.c
+++ b/src/common/sandbox.c
@@ -475,6 +475,14 @@ sb_setsockopt(scmp_filter_ctx ctx, sandbox_cfg_t *filter)
   if (rc)
     return rc;
 
+#ifdef IP_TRANSPARENT
+  rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(setsockopt), 2,
+      SCMP_CMP(1, SCMP_CMP_EQ, SOL_IP),
+      SCMP_CMP(2, SCMP_CMP_EQ, IP_TRANSPARENT));
+  if (rc)
+    return rc;
+#endif
+
   return 0;
 }
 
-- 
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