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From d161370dbc97786e05d476ccaed219fa14d7bf1b Mon Sep 17 00:00:00 2001
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From: Martin Kletzander <mkletzan@redhat.com>
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Date: Mon, 27 May 2019 13:30:05 +0200
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Subject: [PATCH] Use proper label for nbdkit sockets
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While svirt_t can be used for sockets it does not always guarantee that it will
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be accessible from a virtual machine. The VM might be running under svirt_tcg_t
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context which will need a svirt_tcg_t label on the socket in order to access it.
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There is, however, another label, svirt_socket_t, which is accessible from
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virt_domain:
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# sesearch -A -s svirt_t -c unix_stream_socket -p connectto
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...
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allow virt_domain svirt_socket_t:unix_stream_socket { ... connectto ... };
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...
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And virt_domain is a type attribute of both svirt_t and svirt_tcg_t:
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# seinfo -x -a virt_domain
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Type Attributes: 1
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attribute virt_domain;
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svirt_t
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svirt_tcg_t
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Resolves: https://bugzilla.redhat.com/1698437
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit c2918b8b74506523a723b804d452816a059c5e50)
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---
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v2v/input_libvirt_vddk.ml | 2 +-
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v2v/output_rhv_upload.ml | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/v2v/input_libvirt_vddk.ml b/v2v/input_libvirt_vddk.ml
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index 97c7cb532..567233d58 100644
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--- a/v2v/input_libvirt_vddk.ml
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+++ b/v2v/input_libvirt_vddk.ml
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@@ -290,7 +290,7 @@ object
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add_arg "--newstyle"; (* use newstyle NBD protocol *)
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add_arg "--exportname"; add_arg "/";
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if have_selinux then ( (* label the socket so qemu can open it *)
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- add_arg "--selinux-label"; add_arg "system_u:object_r:svirt_t:s0"
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+ add_arg "--selinux-label"; add_arg "system_u:object_r:svirt_socket_t:s0"
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);
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(* Name of the plugin. Everything following is a plugin parameter. *)
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diff --git a/v2v/output_rhv_upload.ml b/v2v/output_rhv_upload.ml
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index 77c39107e..c2a5c72c7 100644
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--- a/v2v/output_rhv_upload.ml
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+++ b/v2v/output_rhv_upload.ml
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@@ -217,7 +217,7 @@ See also the virt-v2v-output-rhv(1) manual.")
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let args =
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(* label the socket so qemu can open it *)
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if have_selinux then
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- args @ ["--selinux-label"; "system_u:object_r:svirt_t:s0"]
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+ args @ ["--selinux-label"; "system_u:object_r:svirt_socket_t:s0"]
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else args in
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args in
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--
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2.21.0
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