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From 8e762e1070e98a4235a70536ee6ca81725858a4b Mon Sep 17 00:00:00 2001
From: Yi Zhao <yi.zhao@windriver.com>
Date: Mon, 25 Jan 2021 14:14:59 +0800
Subject: [PATCH] policy/modules/system/systemd: fix systemd-resolved startup
failures
* Allow systemd_resolved_t to create socket file
* Allow systemd_resolved_t to manage systemd_resolved_runtime_t link
files
* Allow systemd_resolved_t to send and recevie messages from dhcpc over
dbus
Fixes:
avc: denied { create } for pid=258 comm="systemd-resolve"
name="io.systemd.Resolve"
scontext=system_u:system_r:systemd_resolved_t:s0-s15:c0.c1023
tcontext=system_u:object_r:systemd_resolved_runtime_t:s0
tclass=sock_file permissive=0
avc: denied { create } for pid=329 comm="systemd-resolve"
name=".#stub-resolv.conf53cb7f9d1e3aa72b"
scontext=system_u:system_r:systemd_resolved_t:s0-s15:c0.c1023
tcontext=system_u:object_r:systemd_resolved_runtime_t:s0 tclass=lnk_file
permissive=0
avc: denied { send_msg } for msgtype=method_call
interface=org.freedesktop.resolve1.Manager member=RevertLink
dest=org.freedesktop.resolve1 spid=340 tpid=345
scontext=system_u:system_r:dhcpc_t:s0-s15:c0.c1023
tcontext=system_u:system_r:systemd_resolved_t:s0-s15:c0.c1023
tclass=dbus permissive=0
avc: denied { send_msg } for msgtype=method_return dest=:1.6 spid=345
tpid=340 scontext=system_u:system_r:systemd_resolved_t:s0-s15:c0.c1023
tcontext=system_u:system_r:dhcpc_t:s0-s15:c0.c1023 tclass=dbus
permissive=0
Upstream-Status: Inappropriate [embedded specific]
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
policy/modules/system/systemd.te | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te
index 7da836136..0411729ea 100644
--- a/policy/modules/system/systemd.te
+++ b/policy/modules/system/systemd.te
@@ -1164,6 +1164,8 @@ allow systemd_resolved_t systemd_networkd_runtime_t:dir watch;
manage_dirs_pattern(systemd_resolved_t, systemd_resolved_runtime_t, systemd_resolved_runtime_t)
manage_files_pattern(systemd_resolved_t, systemd_resolved_runtime_t, systemd_resolved_runtime_t)
+manage_sock_files_pattern(systemd_resolved_t, systemd_resolved_runtime_t, systemd_resolved_runtime_t)
+manage_lnk_files_pattern(systemd_resolved_t, systemd_resolved_runtime_t, systemd_resolved_runtime_t)
init_runtime_filetrans(systemd_resolved_t, systemd_resolved_runtime_t, dir)
dev_read_sysfs(systemd_resolved_t)
@@ -1194,6 +1196,8 @@ seutil_read_file_contexts(systemd_resolved_t)
systemd_log_parse_environment(systemd_resolved_t)
systemd_read_networkd_runtime(systemd_resolved_t)
+sysnet_dbus_chat_dhcpc(systemd_resolved_t)
+
optional_policy(`
dbus_connect_system_bus(systemd_resolved_t)
dbus_system_bus_client(systemd_resolved_t)
--
2.17.1
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