307 lines
10 KiB
Plaintext
307 lines
10 KiB
Plaintext
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#!/bin/sh
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#
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# Run the sepgsql regression tests, after making a lot of environmental checks
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# to try to ensure that the SELinux environment is set up appropriately and
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# the database is configured correctly.
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#
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# Note that this must be run against an installed Postgres database.
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# There's no equivalent of "make check", and that wouldn't be terribly useful
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# since much of the value is in checking that you installed sepgsql into
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# your database correctly.
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#
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# This must be run in the contrib/sepgsql directory of a Postgres build tree.
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#
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PG_BINDIR=`pg_config --bindir`
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# we must move to contrib/sepgsql directory to run pg_regress correctly
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cd `dirname $0`
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echo
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echo "============== checking selinux environment =============="
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# matchpathcon must be present to assess whether the installation environment
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# is OK.
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echo -n "checking for matchpathcon ... "
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if ! matchpathcon -n . >/dev/null 2>&1; then
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echo "not found"
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echo ""
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echo "The matchpathcon command must be available."
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echo "Please install it or update your PATH to include it"
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echo "(it is typically in '/usr/sbin', which might not be in your PATH)."
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echo "matchpathcon is typically included in the libselinux-utils package."
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exit 1
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fi
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echo "ok"
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# runcon must be present to launch psql using the correct environment
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echo -n "checking for runcon ... "
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if ! runcon --help >/dev/null 2>&1; then
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echo "not found"
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echo ""
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echo "The runcon command must be available."
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echo "runcon is typically included in the coreutils package."
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echo ""
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exit 1
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fi
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echo "ok"
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# check sestatus too, since that lives in yet another package
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echo -n "checking for sestatus ... "
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if ! sestatus >/dev/null 2>&1; then
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echo "not found"
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echo ""
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echo "The sestatus command must be available."
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echo "sestatus is typically included in the policycoreutils package."
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echo ""
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exit 1
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fi
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echo "ok"
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# check that the user is running in the unconfined_t domain
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echo -n "checking current user domain ... "
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DOMAIN=`id -Z 2>/dev/null | sed 's/:/ /g' | awk '{print $3}'`
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echo ${DOMAIN:-failed}
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if [ "${DOMAIN}" != unconfined_t ]; then
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echo ""
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echo "The regression tests must be launched from the unconfined_t domain."
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echo ""
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echo "The unconfined_t domain is typically the default domain for user"
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echo "shell processes. If the default has been changed on your system,"
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echo "you can revert the changes like this:"
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echo ""
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echo " \$ sudo semanage login -d `whoami`"
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echo ""
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echo "Or, you can add a setting to log in using the unconfined_t domain:"
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echo ""
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echo " \$ sudo semanage login -a -s unconfined_u -r s0-s0:c0.c255 `whoami`"
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echo ""
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exit 1
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fi
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# SELinux must be configured in enforcing mode
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echo -n "checking selinux operating mode ... "
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CURRENT_MODE=`LANG=C sestatus | grep '^Current mode:' | awk '{print $3}'`
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echo ${CURRENT_MODE:-failed}
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if [ "${CURRENT_MODE}" = enforcing ]; then
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: OK
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elif [ "${CURRENT_MODE}" = permissive -o "${CURRENT_MODE}" = disabled ]; then
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echo ""
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echo "Before running the regression tests, SELinux must be enabled and"
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echo "must be running in enforcing mode."
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echo ""
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echo "If SELinux is currently running in permissive mode, you can"
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echo "switch to enforcing mode using the 'setenforce' command."
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echo
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echo " \$ sudo setenforce 1"
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echo ""
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echo "The system default setting is configured in /etc/selinux/config,"
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echo "or using a kernel boot parameter."
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echo ""
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exit 1
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else
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echo ""
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echo "Unable to determine the current selinux operating mode. Please"
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echo "verify that the sestatus command is installed and in your PATH."
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echo ""
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exit 1
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fi
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# 'sepgsql-regtest' policy module must be loaded
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echo -n "checking for sepgsql-regtest policy ... "
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SELINUX_MNT=`LANG=C sestatus | grep '^SELinuxfs mount:' | awk '{print $3}'`
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if [ "$SELINUX_MNT" = "" ]; then
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echo "failed"
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echo ""
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echo "Unable to find SELinuxfs mount point."
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echo ""
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echo "The sestatus command should report the location where SELinuxfs"
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echo "is mounted, but did not do so."
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echo ""
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exit 1
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fi
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if [ ! -e "${SELINUX_MNT}/booleans/sepgsql_regression_test_mode" ]; then
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echo "failed"
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echo ""
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echo "The 'sepgsql-regtest' policy module appears not to be installed."
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echo "Without this policy installed, the regression tests will fail."
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echo "You can install this module using the following commands:"
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echo ""
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echo " \$ make -f /usr/share/selinux/devel/Makefile"
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echo " \$ sudo semodule -u sepgsql-regtest.pp"
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echo ""
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echo "To confirm that the policy package is installed, use this command:"
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echo ""
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echo " \$ sudo semodule -l | grep sepgsql"
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echo ""
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exit 1
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fi
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echo "ok"
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# Verify that sepgsql_regression_test_mode is active.
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echo -n "checking whether policy is enabled ... "
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POLICY_STATUS=`getsebool sepgsql_regression_test_mode | awk '{print $3}'`
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echo ${POLICY_STATUS:-failed}
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if [ "${POLICY_STATUS}" != on ]; then
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echo ""
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echo "The SELinux boolean 'sepgsql_regression_test_mode' must be"
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echo "turned on in order to enable the rules necessary to run the"
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echo "regression tests."
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echo ""
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if [ "${POLICY_STATUS}" = "" ]; then
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echo "We attempted to determine the state of this Boolean using"
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echo "'getsebool', but that command did not produce the expected"
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echo "output. Please verify that getsebool is available and in"
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echo "your PATH."
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else
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echo "You can turn on this variable using the following commands:"
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echo ""
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echo " \$ sudo setsebool sepgsql_regression_test_mode on"
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echo ""
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echo "For security reasons, it is suggested that you turn off this"
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echo "variable when regression testing is complete and the associated"
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echo "rules are no longer needed."
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fi
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echo ""
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exit 1
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fi
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POLICY_STATUS=`getsebool sepgsql_enable_users_ddl | awk '{print $3}'`
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echo ${POLICY_STATUS:-failed}
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if [ "${POLICY_STATUS}" != on ]; then
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echo ""
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echo "The SELinux boolean 'sepgsql_enable_users_ddl' must be"
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echo "turned on in order to enable the rules necessary to run"
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echo "the regression tests."
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echo ""
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if [ "${POLICY_STATUS}" = "" ]; then
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echo "We attempted to determine the state of this Boolean using"
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echo "'getsebool', but that command did not produce the expected"
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echo "output. Please verify that getsebool is available and in"
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echo "your PATH."
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else
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echo "You can turn on this variable using the following commands:"
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echo ""
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echo " \$ sudo setsebool sepgsql_enable_users_ddl on"
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echo ""
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echo "For security reasons, it is suggested that you turn off this"
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echo "variable when regression testing is complete, unless you"
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echo "don't want to allow unprivileged users DDL commands."
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fi
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echo ""
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exit 1
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fi
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# 'psql' command must be executable from test domain
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echo -n "checking whether we can run psql ... "
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CMD_PSQL="${PG_BINDIR}/psql"
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if [ ! -e "${CMD_PSQL}" ]; then
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echo "not found"
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echo
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echo "${CMD_PSQL} was not found."
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echo "Check your PostgreSQL installation."
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echo
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exit 1
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fi
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runcon -t sepgsql_regtest_user_t "${CMD_PSQL}" --help >& /dev/null
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if [ $? -ne 0 ]; then
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echo "failed"
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echo
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echo "${CMD_PSQL} must be executable from the"
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echo "sepgsql_regtest_user_t domain. That domain has restricted privileges"
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echo "compared to unconfined_t, so the problem may be the psql file's"
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echo "SELinux label. Try"
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echo
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PSQL_T=`matchpathcon -n "${CMD_PSQL}" | sed 's/:/ /g' | awk '{print $3}'`
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if [ "${PSQL_T}" = "user_home_t" ]; then
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# Installation appears to be in /home directory
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echo " \$ sudo restorecon -R ${PG_BINDIR}"
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echo
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echo "Or, using chcon"
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echo
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echo " \$ sudo chcon -t user_home_t ${CMD_PSQL}"
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else
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echo " \$ sudo restorecon -R ${PG_BINDIR}"
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echo
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echo "Or, using chcon"
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echo
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echo " \$ sudo chcon -t bin_t ${CMD_PSQL}"
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fi
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echo
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exit 1
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fi
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echo "ok"
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# loadable module must be installed and not configured to permissive mode
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echo -n "checking sepgsql installation ... "
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VAL="`${CMD_PSQL} -X -t -c 'SHOW sepgsql.permissive' template1 2>/dev/null`"
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RETVAL="$?"
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if [ $RETVAL -eq 2 ]; then
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echo "failed"
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echo ""
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echo "Could not connect to the database server."
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echo "Please check your PostgreSQL installation."
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echo ""
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exit 1
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elif [ $RETVAL -ne 0 ]; then
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echo "failed"
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echo ""
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echo "The sepgsql module does not appear to be loaded. Please verify"
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echo "that the 'shared_preload_libraries' setting in postgresql.conf"
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echo "includes 'sepgsql', and then restart the server."
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echo ""
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echo "See Installation section of the contrib/sepgsql documentation."
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echo ""
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exit 1
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elif ! echo "$VAL" | grep -q 'off$'; then
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echo "failed"
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echo ""
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echo "The parameter 'sepgsql.permissive' is set to 'on'. It must be"
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echo "turned off before running the regression tests."
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echo ""
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exit 1
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fi
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echo "ok"
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# template1 database must be labeled
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# NOTE: this test is wrong; we really ought to be checking template0.
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# But we can't connect to that without extra pushups, and it's not worth it.
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echo -n "checking for labels in template1 ... "
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NUM=`${CMD_PSQL} -XAt -c 'SELECT count(*) FROM pg_catalog.pg_seclabel' template1 2>/dev/null`
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if [ -z "${NUM}" ]; then
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echo "failed"
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echo ""
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echo "In order to test sepgsql, initial labels must be assigned within"
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echo "the 'template1' database. These labels will be copied into the"
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echo "regression test database."
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echo ""
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echo "See Installation section of the contrib/sepgsql documentation."
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echo ""
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exit 1
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fi
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echo "found ${NUM}"
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#
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# checking complete - let's run the tests
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#
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echo
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echo "============== running sepgsql regression tests =============="
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tests="label dml ddl alter misc"
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# Check if the truncate permission exists in the loaded policy, and if so,
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# run the truncate test
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#
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# Testing the TRUNCATE regression test can be done by manually adding
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# the permission with CIL if necessary:
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# sudo semodule -cE base
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# sudo sed -i -E 's/(class db_table.*?) \)/\1 truncate\)/' base.cil
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# sudo semodule -i base.cil
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if [ -f /sys/fs/selinux/class/db_table/perms/truncate ]; then
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tests+=" truncate"
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fi
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make REGRESS="$tests" REGRESS_OPTS="--launcher ./launcher" installcheck
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# exit with the exit code provided by "make"
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