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* [tests/selinux] pr775-checkpolicy-revdeps: selinux-policy: Add test case for pam_timestamp_check + PAM module
@ 2026-09-11 13:17 Milos Malik
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From: Milos Malik @ 2026-09-11 13:17 UTC (permalink / raw)
To: git-commits
A new commit has been pushed.
Repo : tests/selinux
Branch : pr775-checkpolicy-revdeps
Commit : c047b1e2c82d1ff3f4f96845d6b163325d1ae128
Author : Milos Malik <mmalik@redhat.com>
Date : 2020-03-26T14:06:51+01:00
Stats : +204/-0 in 5 file(s)
URL : https://src.fedoraproject.org/tests/selinux/c/c047b1e2c82d1ff3f4f96845d6b163325d1ae128?branch=pr775-checkpolicy-revdeps
Log:
selinux-policy: Add test case for pam_timestamp_check + PAM module
This TC should cover the pam_timestamp_check program and the
pam_timestamp.so module which can be executed by unconfined
and confined users. Necessary SELinux policy rules are tested.
SELinux label on the directory, where _pam_timestamp_key file
is located, is also tested.
The TC can be parametrized. Description is in the PURPOSE file.
---
diff --git a/selinux-policy/pam_timestamp-and-related/Makefile b/selinux-policy/pam_timestamp-and-related/Makefile
new file mode 100644
index 0000000..d619c1a
--- /dev/null
+++ b/selinux-policy/pam_timestamp-and-related/Makefile
@@ -0,0 +1,69 @@
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+# Makefile of /CoreOS/selinux-policy/Regression/pam_timestamp-and-related
+# Description: Does SELinux cooperate with pam_timestamp_check and pam_timestamp.so?
+# Author: Milos Malik <mmalik@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+# Copyright (c) 2020 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing
+# to use, modify, copy, or redistribute it subject to the terms
+# and conditions of the GNU General Public License version 2.
+#
+# This program is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+# PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public
+# License along with this program; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301, USA.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+export TEST=/CoreOS/selinux-policy/Regression/pam_timestamp-and-related
+export TESTVERSION=1.0
+
+BUILT_FILES=
+
+FILES=$(METADATA) runtest.sh Makefile PURPOSE ssh.exp
+
+.PHONY: all install download clean
+
+run: $(FILES) build
+ ./runtest.sh
+
+build: $(BUILT_FILES)
+ chmod a+x runtest.sh ssh.exp
+ chcon -t bin_t runtest.sh ssh.exp
+
+clean:
+ rm -f *~ $(BUILT_FILES)
+
+include /usr/share/rhts/lib/rhts-make.include
+
+$(METADATA): Makefile
+ @echo "Owner: Milos Malik <mmalik@redhat.com>" > $(METADATA)
+ @echo "Name: $(TEST)" >> $(METADATA)
+ @echo "TestVersion: $(TESTVERSION)" >> $(METADATA)
+ @echo "Path: $(TEST_DIR)" >> $(METADATA)
+ @echo "Description: Does SELinux cooperate with pam_timestamp_check and pam_timestamp.so?" >> $(METADATA)
+ @echo "Type: Regression" >> $(METADATA)
+ @echo "TestTime: 10m" >> $(METADATA)
+ @echo "RunFor: pam" >> $(METADATA)
+ @echo "RunFor: selinux-policy" >> $(METADATA)
+ @echo "Requires: audit libselinux libselinux-utils policycoreutils selinux-policy selinux-policy-targeted setools-console expect openssh-clients pam psmisc binutils shadow-utils" >> $(METADATA)
+ @echo "RhtsRequires: library(selinux-policy/common)" >> $(METADATA)
+ @echo "Environment: AVC_ERROR=+no_avc_check" >> $(METADATA)
+ @echo "Priority: Normal" >> $(METADATA)
+ @echo "License: GPLv2" >> $(METADATA)
+ @echo "Confidential: no" >> $(METADATA)
+ @echo "Destructive: no" >> $(METADATA)
+ @echo "Releases: -RHEL4 -RHEL5 -RHEL6" >> $(METADATA)
+ @echo "Bug: 1791957" >> $(METADATA) # RHEL-8
+
+ rhts-lint $(METADATA)
+
diff --git a/selinux-policy/pam_timestamp-and-related/PURPOSE b/selinux-policy/pam_timestamp-and-related/PURPOSE
new file mode 100644
index 0000000..61c4f1e
--- /dev/null
+++ b/selinux-policy/pam_timestamp-and-related/PURPOSE
@@ -0,0 +1,11 @@
+PURPOSE of /CoreOS/selinux-policy/Regression/pam_timestamp-and-related
+Author: Milos Malik <mmalik@redhat.com>
+
+Does SELinux cooperate with pam_timestamp_check and pam_timestamp.so?
+Confined and unconfined users are tested using SSH.
+
+This TC uses following parameters which can be overriden:
+ * ALLOWED_USERS - which SELinux users should be tested?
+ * DENIED_USERS - which SELinux users should NOT be tested?
+ * TIMESTAMP_DIR - in which directory is the _pam_timestamp_key file stored?
+
diff --git a/selinux-policy/pam_timestamp-and-related/main.fmf b/selinux-policy/pam_timestamp-and-related/main.fmf
new file mode 100644
index 0000000..a83b2cb
--- /dev/null
+++ b/selinux-policy/pam_timestamp-and-related/main.fmf
@@ -0,0 +1,2 @@
+path: /selinux-policy/pam_timestamp-and-related
+tier: 2
diff --git a/selinux-policy/pam_timestamp-and-related/runtest.sh b/selinux-policy/pam_timestamp-and-related/runtest.sh
new file mode 100755
index 0000000..b19a2f3
--- /dev/null
+++ b/selinux-policy/pam_timestamp-and-related/runtest.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+# runtest.sh of /CoreOS/selinux-policy/Regression/pam_timestamp-and-related
+# Description: Does SELinux cooperate with pam_timestamp_check and pam_timestamp.so?
+# Author: Milos Malik <mmalik@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+# Copyright (c) 2020 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing
+# to use, modify, copy, or redistribute it subject to the terms
+# and conditions of the GNU General Public License version 2.
+#
+# This program is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+# PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public
+# License along with this program; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301, USA.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# Include Beaker environment
+. /usr/bin/rhts-environment.sh || exit 1
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGE="selinux-policy"
+ROOT_PASSWORD="redhat"
+SERVICE_PACKAGE="pam"
+DENIED_USERS=${DENIED_USERS:-"guest_u xguest_u"}
+ALLOWED_USERS=${ALLOWED_USERS:-"staff_u user_u sysadm_u unconfined_u"}
+TIMESTAMP_DIR=${TIMESTAMP_DIR:-"/run/pam_timestamp"}
+
+rlJournalStart
+ rlPhaseStartSetup
+ rlRun "rlImport 'selinux-policy/common'"
+ rlSESatisfyRequires
+ rlAssertRpm ${PACKAGE}
+ rlAssertRpm ${PACKAGE}-targeted
+ rlAssertRpm ${SERVICE_PACKAGE}
+
+ rlFileBackup /etc/shadow
+ rlFileBackup ${TIMESTAMP_DIR}/_pam_timestamp_key
+
+ rlSESetEnforce
+ rlSEStatus
+ rlSESetTimestamp
+ sleep 2
+ rlPhaseEnd
+
+ rlPhaseStartTest "bz#1791957"
+ rlSEMatchPathCon "/run" "var_run_t"
+ rlSEMatchPathCon "${TIMESTAMP_DIR}" "pam_var_run_t"
+ rlSEMatchPathCon "/usr/sbin/pam_timestamp_check" "pam_timestamp_exec_t"
+ rlSESearchRule "allow sshd_t var_run_t : dir { write add_name } [ ]"
+ rlSESearchRule "type_transition sshd_t var_run_t : dir pam_var_run_t"
+ rlSESearchRule "allow sshd_t pam_var_run_t : dir { create } [ ]"
+ rlRun "strings /usr/sbin/pam_timestamp_check | grep ${TIMESTAMP_DIR}"
+ rlRun "strings /usr/lib64/security/pam_timestamp.so | grep ${TIMESTAMP_DIR}"
+ rlPhaseEnd
+
+ rlPhaseStartTest "real scenario -- confined users"
+ rlRun "setsebool ssh_sysadm_login on"
+ rlRun "mkdir -p ${TIMESTAMP_DIR}"
+ rlRun "touch ${TIMESTAMP_DIR}/_pam_timestamp_key"
+ rlRun "restorecon -RvF ${TIMESTAMP_DIR}"
+ rlLog "configuration says not to test SELinux users: ${DENIED_USERS}"
+ for SELINUX_USER in ${ALLOWED_USERS} ; do
+ USER_NAME="user${RANDOM}"
+ USER_SECRET="S3kr3t${RANDOM}"
+ rlRun "useradd -Z ${SELINUX_USER} ${USER_NAME}"
+ rlRun "echo ${USER_SECRET} | passwd --stdin ${USER_NAME}"
+ rlRun "restorecon -RvF /home/${USER_NAME}"
+ rlRun "./ssh.exp ${USER_NAME} ${USER_SECRET} localhost /usr/sbin/pam_timestamp_check"
+ rlRun "./ssh.exp ${USER_NAME} ${USER_SECRET} localhost /usr/sbin/pam_timestamp_check -k"
+ ( sleep 5 ; ps -efZ > /home/${USER_NAME}/processes.txt ; killall pam_timestamp_check ) &
+ rlRun "./ssh.exp ${USER_NAME} ${USER_SECRET} localhost /usr/sbin/pam_timestamp_check -d"
+ if [[ ${SELINUX_USER} == "unconfined_u" ]] ; then
+ rlRun "grep \"${SELINUX_USER}:${SELINUX_USER/_u/_r}:${SELINUX_USER/_u/_t}:.*pam_timestamp_check\" /home/${USER_NAME}/processes.txt"
+ else
+ rlRun "grep \"${SELINUX_USER}:${SELINUX_USER/_u/_r}:pam_timestamp_t:.*pam_timestamp_check\" /home/${USER_NAME}/processes.txt"
+ fi
+ rlRun "userdel -rfZ ${USER_NAME}"
+ done
+ rlRun "setsebool ssh_sysadm_login off"
+ rlPhaseEnd
+
+ rlPhaseStartCleanup
+ sleep 2
+ rlSECheckAVC
+ rlRun "rm -f ${TIMESTAMP_DIR}/_pam_timestamp_key"
+ rlFileRestore
+ rlPhaseEnd
+rlJournalPrintText
+rlJournalEnd
+
diff --git a/selinux-policy/pam_timestamp-and-related/ssh.exp b/selinux-policy/pam_timestamp-and-related/ssh.exp
new file mode 100755
index 0000000..58c9647
--- /dev/null
+++ b/selinux-policy/pam_timestamp-and-related/ssh.exp
@@ -0,0 +1,20 @@
+#!/usr/bin/expect -f
+# Expect script for SSH logging as $username to $hostname using $password and executing $command.
+# Usage:
+# ./ssh.exp username password hostname command
+set username [lrange $argv 0 0]
+set password [lrange $argv 1 1]
+set hostname [lrange $argv 2 2]
+set command [lrange $argv 3 10]
+set timeout 15
+# connect to remote host and execute given command
+log_user 1
+spawn ssh -t $username@$hostname $command
+expect {
+ -nocase "yes/no" { send -- "yes\r" ; exp_continue }
+ -nocase "password" { send -- "$password\r" }
+}
+log_user 1
+# send -- "\r"
+expect eof
+
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