1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
From 59fbc8ea167e5d8797f8f850f1f5106025f7fe65 Mon Sep 17 00:00:00 2001
From: Nicolas Iooss <nicolas.iooss@m4x.org>
Date: Tue, 5 Jan 2016 18:01:48 +0100
Subject: [PATCH] Make fs_register_binary_executable_type interface allow
searching /proc/sys/fs
---
policy/modules/kernel/filesystem.if | 2 ++
policy/modules/kernel/kernel.if | 19 +++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/policy/modules/kernel/filesystem.if b/policy/modules/kernel/filesystem.if
index 1d1676561b4a..2a3cc90b8595 100644
--- a/policy/modules/kernel/filesystem.if
+++ b/policy/modules/kernel/filesystem.if
@@ -612,6 +612,8 @@ interface(`fs_register_binary_executable_type',`
type binfmt_misc_fs_t;
')
+ # binfmt_misc filesystem is usually mounted on /proc/sys/fs/binfmt_misc
+ kernel_search_fs_sysctls($1)
rw_files_pattern($1, binfmt_misc_fs_t, binfmt_misc_fs_t)
')
diff --git a/policy/modules/kernel/kernel.if b/policy/modules/kernel/kernel.if
index f1130d1a521d..132496ceab5d 100644
--- a/policy/modules/kernel/kernel.if
+++ b/policy/modules/kernel/kernel.if
@@ -1987,6 +1987,25 @@ interface(`kernel_rw_kernel_sysctl',`
########################################
## <summary>
+## Search filesystem sysctl directories.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`kernel_search_fs_sysctls',`
+ gen_require(`
+ type proc_t, sysctl_t, sysctl_fs_t;
+ ')
+
+ search_dirs_pattern($1, { proc_t sysctl_t sysctl_fs_t }, sysctl_fs_t)
+')
+
+########################################
+## <summary>
## Read filesystem sysctls.
## </summary>
## <param name="domain">
--
2.6.4
|