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From 81ca7d30de95d404b13bc5d61cb3a1a99d3d73ea Mon Sep 17 00:00:00 2001
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From: Jan Friesse <jfriesse@redhat.com>
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Date: Mon, 21 Oct 2013 17:14:02 +0200
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Subject: [PATCH] ipc_setup: Set SO_PASSCRED on listener socket
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This is needed, because newer kernels doesn't correctly support setting
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SO_PASSCRED on sockets returned by accept call, but socket option must
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be set on server socket (before accept call).
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For more details, see:
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http://patchwork.ozlabs.org/patch/284366/
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Signed-off-by: Jan Friesse <jfriesse@redhat.com>
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---
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lib/ipc_setup.c | 6 ++++++
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1 files changed, 6 insertions(+), 0 deletions(-)
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diff --git a/lib/ipc_setup.c b/lib/ipc_setup.c
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index 97c858c..b6beb6a 100644
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--- a/lib/ipc_setup.c
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+++ b/lib/ipc_setup.c
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@@ -349,6 +349,9 @@ qb_ipcs_us_publish(struct qb_ipcs_service * s)
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{
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struct sockaddr_un un_addr;
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int32_t res;
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+#ifdef SO_PASSCRED
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+ int on = 1;
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+#endif
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/*
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* Create socket for IPC clients, name socket, listen for connections
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@@ -407,6 +410,9 @@ qb_ipcs_us_publish(struct qb_ipcs_service * s)
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#if !defined(QB_LINUX) && !defined(QB_CYGWIN)
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res = chmod(un_addr.sun_path, S_IRWXU | S_IRWXG | S_IRWXO);
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#endif
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+#ifdef SO_PASSCRED
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+ setsockopt(s->server_sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
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+#endif
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if (listen(s->server_sock, SERVER_BACKLOG) == -1) {
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qb_util_perror(LOG_ERR, "socket listen failed");
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}
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--
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1.7.1
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