From 96ff4c053a238e04373fcc1f11d769418e8ce238 Mon Sep 17 00:00:00 2001
From: Stephen Smalley <sds@tycho.nsa.gov>
Date: Mon, 24 Feb 2014 13:04:49 -0500
Subject: [PATCH] Add a domain for mdnsd and allow connecting to it.
Change-Id: I0a06fa32a46e515671b4e9a6f68e1a3f8b2c21a8
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
---
file.te | 1 +
file_contexts | 2 ++
mdnsd.te | 7 +++++++
net.te | 3 +++
netd.te | 1 -
5 files changed, 13 insertions(+), 1 deletion(-)
create mode 100644 mdnsd.te
diff --git a/file.te b/file.te
index 61c9be5bb..dc0b0c68b 100644
--- a/file.te
+++ b/file.te
@@ -116,6 +116,7 @@ type logd_socket, file_type;
type logdr_socket, file_type;
type logdw_socket, file_type;
type mdns_socket, file_type;
+type mdnsd_socket, file_type;
type netd_socket, file_type;
type property_socket, file_type;
type qemud_socket, file_type;
diff --git a/file_contexts b/file_contexts
index 81698d1ef..4b0ae8ab1 100644
--- a/file_contexts
+++ b/file_contexts
@@ -86,6 +86,7 @@
/dev/socket/logdr u:object_r:logdr_socket:s0
/dev/socket/logdw u:object_r:logdw_socket:s0
/dev/socket/mdns u:object_r:mdns_socket:s0
+/dev/socket/mdnsd u:object_r:mdnsd_socket:s0
/dev/socket/netd u:object_r:netd_socket:s0
/dev/socket/property_service u:object_r:property_socket:s0
/dev/socket/qemud u:object_r:qemud_socket:s0
@@ -130,6 +131,7 @@
/system/bin/netd u:object_r:netd_exec:s0
/system/bin/rild u:object_r:rild_exec:s0
/system/bin/mediaserver u:object_r:mediaserver_exec:s0
+/system/bin/mdnsd u:object_r:mdnsd_exec:s0
/system/bin/installd u:object_r:installd_exec:s0
/system/bin/keystore u:object_r:keystore_exec:s0
/system/bin/debuggerd u:object_r:debuggerd_exec:s0
diff --git a/mdnsd.te b/mdnsd.te
new file mode 100644
index 000000000..cfcf87341
--- /dev/null
+++ b/mdnsd.te
@@ -0,0 +1,7 @@
+# mdns daemon
+type mdnsd, domain;
+permissive_or_unconfined(mdnsd)
+type mdnsd_exec, exec_type, file_type;
+
+init_daemon_domain(mdnsd)
+net_domain(mdnsd)
diff --git a/net.te b/net.te
index b10cecdaa..32b9fb747 100644
--- a/net.te
+++ b/net.te
@@ -16,3 +16,6 @@ allow netdomain self:netlink_route_socket { create bind read nlmsg_read };
# Talks to netd via dnsproxyd socket.
unix_socket_connect(netdomain, dnsproxyd, netd)
+
+# Connect to mdnsd via mdnsd socket.
+unix_socket_connect(netdomain, mdnsd, mdnsd)
diff --git a/netd.te b/netd.te
index fb54bde92..b8d26f957 100644
--- a/netd.te
+++ b/netd.te
@@ -61,7 +61,6 @@ allow netd clatd:process signal;
# Support netd running mdnsd
# TODO: prune this back further
allow netd ctl_default_prop:property_service set;
-allow netd device:sock_file write;
###
### Neverallow rules
--
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