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From: "Sugar, David" <dsugar@tresys.com>
To: "selinux-refpolicy@vger.kernel.org"  <selinux-refpolicy@vger.kernel.org>
Subject: [PATCH 2/5 - v2] grant permission for rpm to write to audit log
Date: Tue, 2 Jul 2019 17:59:43 +0000
Message-ID: <20190702175932.24697-1-dsugar@tresys.com> (raw)

Messages like this are added to the audit log when an rpm is installed:
type=SOFTWARE_UPDATE msg=audit(1560913896.581:244): pid=1265 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:rpm_t:s0 msg='sw="ntpdate-4.2.6p5-25.el7_3.2.x86_64" sw_type=rpm key_enforce=0 gpg_res=0 root_dir="/" comm="rpm" exe="/usr/bin/rpm" hostname=? addr=?  terminal=? res=success'

These are the denials that I'm seeing:
type=AVC msg=audit(1560913896.581:243): avc:  denied  { audit_write } for  pid=1265 comm="rpm" capability=29 scontext=system_u:system_r:rpm_t:s0 tcontext=system_u:system_r:rpm_t:s0 tclass=capability permissive=1

type=AVC msg=audit(1561298132.446:240): avc:  denied  { create } for pid=1266 comm="rpm" scontext=system_u:system_r:rpm_t:s0 tcontext=system_u:system_r:rpm_t:s0 tclass=netlink_audit_socket permissive=1
type=AVC msg=audit(1561298132.446:241): avc:  denied  { write } for pid=1266 comm="rpm" scontext=system_u:system_r:rpm_t:s0 tcontext=system_u:system_r:rpm_t:s0 tclass=netlink_audit_socket permissive=1
type=AVC msg=audit(1561298132.446:241): avc:  denied  { nlmsg_relay } for  pid=1266 comm="rpm" scontext=system_u:system_r:rpm_t:s0 tcontext=system_u:system_r:rpm_t:s0 tclass=netlink_audit_socket permissive=1
type=AVC msg=audit(1561298132.447:243): avc:  denied  { read } for pid=1266 comm="rpm" scontext=system_u:system_r:rpm_t:s0 tcontext=system_u:system_r:rpm_t:s0 tclass=netlink_audit_socket permissive=1

v2 - Use interface rather than adding permissions here - this change may
confuse subsequent patches in this set, if so let me know and I will
submit a pull request on github.

Signed-off-by: Dave Sugar <dsugar@tresys.com>
---
 policy/modules/admin/rpm.te | 1 +
 1 file changed, 1 insertion(+)

diff --git a/policy/modules/admin/rpm.te b/policy/modules/admin/rpm.te
index 0e6e9c03..ba022247 100644
--- a/policy/modules/admin/rpm.te
+++ b/policy/modules/admin/rpm.te
@@ -204,6 +204,7 @@ libs_exec_ld_so(rpm_t)
 libs_exec_lib_files(rpm_t)
 libs_run_ldconfig(rpm_t, rpm_roles)
 
+logging_send_audit_msgs(rpm_t)
 logging_send_syslog_msg(rpm_t)
 
 seutil_manage_src_policy(rpm_t)
-- 
2.21.0


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Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-02 17:59 Sugar, David [this message]
2019-07-09  0:39 ` Chris PeBenito

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