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Add some environment checks prior to sepgsql regression testing.
This probably needs more work, but it's a start. KaiGai Kohei
This commit is contained in:
Robert Haas
parent
f5af8eed92
commit
8cca49d8a0
@ -5,6 +5,7 @@ OBJS = hooks.o selinux.o label.o dml.o \
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schema.o relation.o proc.o
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DATA_built = sepgsql.sql
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REGRESS = label dml misc
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REGRESS_PREP = check_selinux_environment
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EXTRA_CLEAN = -r tmp *.pp sepgsql-regtest.if sepgsql-regtest.fc
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ifdef USE_PGXS
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@ -20,3 +21,6 @@ endif
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SHLIB_LINK += $(filter -lselinux, $(LIBS))
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REGRESS_OPTS += --launcher $(top_builddir)/contrib/sepgsql/launcher
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check_selinux_environment:
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@$(top_builddir)/contrib/sepgsql/chkselinuxenv "$(bindir)" "$(datadir)"
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247
contrib/sepgsql/chkselinuxenv
Executable file
247
contrib/sepgsql/chkselinuxenv
Executable file
@ -0,0 +1,247 @@
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#!/bin/sh
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#
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# SELinux environment checks to ensure configuration of the operating system
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# satisfies prerequisites to run regression test.
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# If incorrect settings are found, this script suggest user a hint.
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#
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PG_BINDIR="$1"
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PG_DATADIR="$2"
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echo
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echo "============== checking selinux environment =============="
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#
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# Test.1 - must be launched at unconfined_t domain
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#
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echo -n "test unconfined_t domain ... "
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DOMAIN=`id -Z 2>/dev/null | sed 's/:/ /g' | awk '{print $3}'`
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if [ "${DOMAIN}" != "unconfined_t" ]; then
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echo "failed"
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echo
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echo "This regression test needs to be launched on unconfined_t domain."
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echo
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echo "The unconfined_t domain is mostly default domain of users' shell"
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echo "process. So, we suggest you to revert your special configuration"
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echo "on your system, as follows:"
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echo
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echo " \$ su -"
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echo " # semanage login -d `whoami`"
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echo
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echo "Or, add a setting to login as unconfined_t domain"
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echo
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echo " \$ su -"
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echo " # 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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echo "ok"
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#
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# Test.2 - 'runcon' must exist and be executable
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#
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echo -n "test runon command ... "
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CMD_RUNCON="`which runcon 2>/dev/null`"
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if [ ! -x "${CMD_RUNCON}" ]; then
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echo "failed"
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echo
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echo "The runcon must exist and be executable; it is internally used to"
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echo "launch psql command with a particular domain. It is mostly included"
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echo "within coreutils package. So, our suggestion is to install the latest"
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echo "version of this package."
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echo
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exit 1
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fi
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echo "ok"
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#
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# Test.3 - 'sestatus' must exist and be executable
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#
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echo -n "test sestatus command ... "
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CMD_SESTATUS="`which sestatus 2>/dev/null`"
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if [ ! -x "${CMD_SESTATUS}" ]; then
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echo "failed"
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echo
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echo "The sestatus should exist and be executable; it is internally used to"
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echo "this checks; to show configuration of SELinux. It is mostly included"
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echo "within policycoreutils package. So, our suggestion is to install the"
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echo "latest version of this 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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#
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# Test.4 - 'getsebool' must exist and be executable
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#
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echo -n "test getsebool command ... "
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CMD_GETSEBOOL="`which getsebool`"
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if [ ! -x "${CMD_GETSEBOOL}" ]; then
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echo "failed"
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echo
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echo "The getsebool should exist and be executable; it is internally used to"
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echo "this checks; to show current setting of SELinux boolean variables."
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echo "It is mostly included within libselinux-utils package. So, our suggestion"
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echo "is to install the latest version of this 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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#
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# Test.5 - SELinux must be configured to enforcing mode
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#
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echo -n "test enforcing mode ... "
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CURRENT_MODE=`env LANG=C ${CMD_SESTATUS} | grep 'Current mode:' | awk '{print $3}'`
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if [ "${CURRENT_MODE}" != "enforcing" ]; then
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echo "failed"
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echo
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echo "SELinux must be configured to 'enforcing' mode."
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echo "You can switch SELinux to enforcing mode using setenforce command,"
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echo "as follows:"
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echo
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echo " \$ su -"
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echo " # setenforce 1"
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echo
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echo "The system default setting is configured at /etc/selinux/config,"
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echo "or kernel bool parameter. Please also check it, if you see this"
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echo "message although you didn't switch to permissive mode."
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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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#
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# Test.6 - 'sepgsql-regtest' policy module must be loaded
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#
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echo -n "test sepgsql-regtest policy ... "
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SELINUX_MNT=`env LANG=C ${CMD_SESTATUS} | grep '^SELinuxfs mount:' | awk '{print $3}'`
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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 must be installed; that provide"
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echo "a set of special rules for this regression test."
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echo "You can install this module as follows:"
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echo
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echo " \$ make -f /usr/share/selinux/devel/Makefile -C contrib/selinux"
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echo " \$ su"
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echo " # semodule -i contrib/sepgsql/sepgsql-regtest.pp"
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echo
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echo "Then, you can confirm the policy package being installed, as follows:"
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echo
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echo " # 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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#
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# Test.7 - 'sepgsql_regression_test_mode' must be turned on
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#
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echo -n "test selinux boolean ... "
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if ! ${CMD_GETSEBOOL} sepgsql_regression_test_mode | grep -q ' on$'; then
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echo "failed"
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echo
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echo "The boolean variable of 'sepgsql_regression_test_mode' must be"
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echo "turned. It affects an internal state of SELinux policy, then"
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echo "a set of rules to run regression test will be activated."
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echo "You can turn on this variable as follows:"
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echo
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echo " \$ su -"
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echo " # setsebool sepgsql_regression_test_mode 1"
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echo
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echo "Also note that we recommend to turn off this variable after the"
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echo "regression test, because it activates unnecessary rules."
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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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#
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# Test.8 - 'psql' command must be labeled as 'bin_t' type
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#
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echo -n "test label of psql ... "
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CMD_PSQL="${PG_BINDIR}/psql"
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LABEL_PSQL=`stat -c '%C' ${CMD_PSQL} | sed 's/:/ /g' | awk '{print $3}'`
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if [ "${LABEL_PSQL}" != "bin_t" ]; then
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echo "failed"
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echo
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echo "The ${CMD_PSQL} must be labeled as bin_t type."
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echo "You can assign right label using restorecon, as follows:"
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echo
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echo " \$ su - (not needed, if you owns installation directory)"
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echo " # 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 " # chcon -t bin_t ${CMD_PSQL}"
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echo
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exit 1
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fi
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echo "ok"
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#
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# Test.9 - 'sepgsql' must be installed
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# and, not configured to permissive mode
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#
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echo -n "test sepgsql installation ... "
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VAL="`${CMD_PSQL} template1 -tc 'SHOW sepgsql.permissive' 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 "The postgresql server process is not connectable."
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echo "Please check your installation first, rather than selinux settings."
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echo
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exit 1
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elif [ $RETVAL -ne 0 ]; then
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echo "failed"
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echo
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echo "The sepgsql module was not loaded. So, our recommendation is to"
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echo "confirm 'shared_preload_libraries' setting in postgresql.conf,"
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echo "then restart server process."
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echo "It must have '\$libdir/sepgsql' at least."
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echo
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exit 1
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elif ! echo "$VAL" | grep -q 'off$'; then
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echo "failed"
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echo
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echo "The GUC variable 'sepgsql.permissive' was set to 'on', although"
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echo "system configuration is enforcing mode."
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echo "You should eliminate this setting from postgresql.conf, then"
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echo "restart server process."
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echo
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exit 1
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fi
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echo "ok"
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#
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# Test.10 - 'template1' database must be labeled
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#
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echo -n "test template1 database ... "
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NUM=`${CMD_PSQL} template1 -tc 'SELECT count(*) FROM pg_catalog.pg_seclabel' 2>/dev/null`
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if [ -z "${NUM}" -o "$NUM" -eq 0 ]; then
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echo "failed!"
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echo
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echo "Initial labels must be assigned on the 'template1' database; that shall"
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echo "be copied to the database for regression test."
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echo "See Installation section of the PostgreSQL documentation."
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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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#
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# check complete -
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#
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echo
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exit 0
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@ -257,7 +257,7 @@ ifndef PGXS
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endif
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# against installed postmaster
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installcheck: submake
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installcheck: submake $(REGRESS_PREP)
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$(pg_regress_installcheck) $(REGRESS_OPTS) $(REGRESS)
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ifdef PGXS
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@ -265,7 +265,7 @@ check:
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@echo '"$(MAKE) check" is not supported.'
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@echo 'Do "$(MAKE) install", then "$(MAKE) installcheck" instead.'
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else
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check: all submake
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check: all submake $(REGRESS_PREP)
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$(pg_regress_check) --extra-install=$(subdir) $(REGRESS_OPTS) $(REGRESS)
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endif
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endif # REGRESS
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