Re: [PATCH BlueZ] mesh: Add D-Bus policy for Bluetooth mesh daemon

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Hi Marcel,

On Fri, 2019-01-18 at 09:50 +0100, Marcel Holtmann wrote:
> Hi Inga,
> 
> This adds new D-Bus policy file btmesh.conf
> ---
> Makefile.mesh    |  6 ++++++
> mesh/btmesh.conf | 24 ++++++++++++++++++++++++
> 2 files changed, 30 insertions(+)
> create mode 100644 mesh/btmesh.conf
> 
> diff --git a/Makefile.mesh b/Makefile.mesh
> index ea6c5e939..e15718116 100644
> --- a/Makefile.mesh
> +++ b/Makefile.mesh
> @@ -1,5 +1,9 @@
> if MESH
> 
> +if DATAFILES
> +dbus_DATA += mesh/btmesh.conf
> +endif
> +
> 
> I prefer this is named bluetooth-mesh.conf.
> 
> And for the daemon binary name this might be better as bluetoothd-mesh instead of just meshd.

Agreed: makes it easier finding the process by name

> 
> mesh_sources = mesh/mesh.h mesh/mesh.c \
> 				mesh/net_keys.h mesh/net_keys.c \
> 				mesh/mesh-io.h mesh/mesh-io.c \
> @@ -27,4 +31,6 @@ libexec_PROGRAMS += mesh/meshd
> mesh_meshd_SOURCES = $(mesh_sources) mesh/main.c
> mesh_meshd_LDADD = src/libshared-ell.la $(ell_ldadd) -ljson-c
> mesh_meshd_DEPENDENCIES = $(ell_dependencies) src/libshared-ell.la
> +
> +EXTRA_DIST += mesh/btmesh.conf
> endif
> diff --git a/mesh/btmesh.conf b/mesh/btmesh.conf
> new file mode 100644
> index 000000000..f05545065
> --- /dev/null
> +++ b/mesh/btmesh.conf
> @@ -0,0 +1,24 @@
> +<!-- This configuration file specifies the required security policies
> +     for Bluetooth Mesh daemon to work. —>
> 
> Lower case “mesh” here.
> 
> +
> +<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
> + "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd";>
> +<busconfig>
> +
> +  <!-- ../system.conf have denied everything, so we just punch some holes -->
> +
> +  <policy user="root">
> +    <allow own="org.bluez.mesh"/>
> +    <allow send_destination="org.bluez.mesh"/>
> +    <allow send_interface="org.bluez.mesh.Application1"/>
> +    <allow send_interface="org.bluez.mesh.Element1"/>
> +    <allow send_interface="org.bluez.mesh.ProvisionAgent1"/>
> +    <allow send_interface="org.freedesktop.DBus.ObjectManager"/>
> +    <allow send_interface="org.freedesktop.DBus.Properties”/>
> 
> Do you need the last two?

Not really. Will remove.

> 
> +  </policy>
> +
> +  <policy context="default">
> +    <allow send_destination="org.bluez.mesh"/>
> +  </policy>
> +
> +</busconfig>
> 
> Regards
> 
> Marcel
> 

Thanks,
Inga




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