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From 394185c013c15e47ffa1bdc5948ac6010c329728 Mon Sep 17 00:00:00 2001
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From: Michal Schmidt <mschmidt@redhat.com>
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Date: Fri, 20 Feb 2015 02:25:16 +0100
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Subject: [PATCH] shared: handle unnamed sockets in socket_address_equal()
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Make sure we don't inspect sun_path of unnamed sockets.
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Since we cannot know if two unnamed sockets' adresses refer to the same
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socket, just return false.
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(cherry picked from commit 710708a54ccc48e168ad7d4cd401645ef9e2eb14)
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---
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src/shared/socket-util.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
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index deecce8a80..a4e26b1d8c 100644
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--- a/src/shared/socket-util.c
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+++ b/src/shared/socket-util.c
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@@ -349,6 +349,10 @@ bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) {
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break;
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case AF_UNIX:
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+ if (a->size <= offsetof(struct sockaddr_un, sun_path) ||
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+ b->size <= offsetof(struct sockaddr_un, sun_path))
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+ return false;
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+
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if ((a->sockaddr.un.sun_path[0] == 0) != (b->sockaddr.un.sun_path[0] == 0))
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return false;
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