70 lines
3.0 KiB
Diff
70 lines
3.0 KiB
Diff
From bf059ebda558a7735cfdcfb874ecc8bfc2622cb1 Mon Sep 17 00:00:00 2001
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From: Zdenek Pytela <zpytela@redhat.com>
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Date: Wed, 9 Feb 2022 21:52:01 +0100
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Subject: [PATCH] Allow login_userdomain watch system configuration dirs
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Reference: https://gitbub.com/fedora-selinux/selinux-policy/commit/bf059ebda558a7735cfdcfb874ecc8bfc2622cb1
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Conflict: NA
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The files_watch_system_conf_dirs() interface was added.
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Addresses the following AVC denial:
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type=PROCTITLE msg=audit(02/09/22 21:28:19.577:2173) : proctitle=/usr/bin/gnome-software --gapplication-service
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type=PATH msg=audit(02/09/22 21:28:19.577:2173) : item=0 name=/etc/yum.repos.d inode=432 dev=00:20 mode=dir,755 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:system_conf_t:s0 nametype=NORMAL cap_fp=none cap_fi=none cap_fe=0 cap_fver=0 cap_frootid=0
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type=CWD msg=audit(02/09/22 21:28:19.577:2173) : cwd=/home/staff
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type=SYSCALL msg=audit(02/09/22 21:28:19.577:2173) : arch=x86_64 syscall=inotify_add_watch success=no exit=EACCES(Permission denied) a0=0x3 a1=0x560c414ea860 a2=0x1002fce a3=0x7ffd82509080 items=1 ppid=1560 pid=2148 auid=staff uid=staff gid=staff euid=staff suid=staff fsuid=staff egid=staff sgid=staff fsgid=staff tty=(none) ses=5 comm=gmain exe=/usr/bin/gnome-software subj=staff_u:staff_r:staff_t:s0-s0:c0.c1023 key=(null)
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type=AVC msg=audit(02/09/22 21:28:19.577:2173) : avc: denied { watch } for pid=2148 comm=gmain path=/etc/yum.repos.d dev="vda2" ino=432 scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:object_r:system_conf_t:s0 tclass=dir permissive=0
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Signed-off-by: lujie54 <lujie54@huawei.com>
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---
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policy/modules/kernel/files.if | 19 +++++++++++++++++++
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policy/modules/system/userdomain.te | 1 +
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2 files changed, 20 insertions(+)
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diff --git a/policy/modules/kernel/files.if b/policy/modules/kernel/files.if
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index 53e463c..b375a7e 100644
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--- a/policy/modules/kernel/files.if
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+++ b/policy/modules/kernel/files.if
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@@ -5720,6 +5720,25 @@ interface(`files_read_system_conf_files',`
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read_lnk_files_pattern($1, etc_t, system_conf_t)
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')
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+#######################################
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+## <summary>
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+## Watch manageable system configuration dirs in /etc
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+## </summary>
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+## <param name="domain">
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+## <summary>
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+## Domain allowed access.
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+## </summary>
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+## </param>
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+#
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+interface(`files_watch_system_conf_dirs',`
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+ gen_require(`
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+ type etc_t, system_conf_t;
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+ ')
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+
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+ files_search_etc($1)
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+ watch_dirs_pattern($1, system_conf_t, system_conf_t)
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+')
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+
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######################################
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## <summary>
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## Manage manageable system configuration files in /etc.
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diff --git a/policy/modules/system/userdomain.te b/policy/modules/system/userdomain.te
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index f1f68f7..a833ada 100644
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--- a/policy/modules/system/userdomain.te
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+++ b/policy/modules/system/userdomain.te
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@@ -388,6 +388,7 @@ dev_watch_generic_dirs(login_userdomain)
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files_watch_etc_dirs(login_userdomain)
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files_watch_etc_files(login_userdomain)
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+files_watch_system_conf_dirs(login_userdomain)
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files_watch_usr_dirs(login_userdomain)
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files_watch_usr_files(login_userdomain)
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files_watch_var_lib_dirs(login_userdomain)
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--
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1.8.3.1
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