|
| 1 | +#!/bin/sh |
| 2 | +# |
| 3 | +# Run the sepgsql regression tests, after making a lot of environmental checks |
| 4 | +# to try to ensure that the SELinux environment is set up appropriately and |
| 5 | +# the database is configured correctly. |
| 6 | +# |
| 7 | +# Note that this must be run against an installed Postgres database. |
| 8 | +# There's no equivalent of "make check", and that wouldn't be terribly useful |
| 9 | +# since much of the value is in checking that you installed sepgsql into |
| 10 | +# your database correctly. |
| 11 | +# |
| 12 | +# This must be run in the contrib/sepgsql directory of a Postgres build tree. |
| 13 | +# |
| 14 | + |
| 15 | +PG_BINDIR=`pg_config --bindir` |
| 16 | + |
| 17 | +echo |
| 18 | +echo "============== checking selinux environment ==============" |
| 19 | + |
| 20 | +# matchpathcon must be present to assess whether the installation environment |
| 21 | +# is OK. |
| 22 | +echo -n "checking for matchpathcon ... " |
| 23 | +if ! matchpathcon -n . >/dev/null 2>&1; then |
| 24 | + echo "not found" |
| 25 | + echo "" |
| 26 | + echo "The matchpathcon command must be available." |
| 27 | + echo "Please install it or update your PATH to include it" |
| 28 | + echo "(it is typically in '/usr/sbin', which might not be in your PATH)." |
| 29 | + echo "matchpathcon is typically included in the libselinux-utils package." |
| 30 | + exit 1 |
| 31 | +fi |
| 32 | +echo "ok" |
| 33 | + |
| 34 | +# runcon must be present to launch psql using the correct environment |
| 35 | +echo -n "checking for runcon ... " |
| 36 | +if ! runcon --help >/dev/null 2>&1; then |
| 37 | + echo "not found" |
| 38 | + echo "" |
| 39 | + echo "The runcon command must be available." |
| 40 | + echo "runcon is typically included in the coreutils package." |
| 41 | + echo "" |
| 42 | + exit 1 |
| 43 | +fi |
| 44 | +echo "ok" |
| 45 | + |
| 46 | +# check sestatus too, since that lives in yet another package |
| 47 | +echo -n "checking for sestatus ... " |
| 48 | +if ! sestatus >/dev/null 2>&1; then |
| 49 | + echo "not found" |
| 50 | + echo "" |
| 51 | + echo "The sestatus command must be available." |
| 52 | + echo "sestatus is typically included in the policycoreutils package." |
| 53 | + echo "" |
| 54 | + exit 1 |
| 55 | +fi |
| 56 | +echo "ok" |
| 57 | + |
| 58 | +# check that the user is running in the unconfined_t domain |
| 59 | +echo -n "checking current user domain ... " |
| 60 | +DOMAIN=`id -Z 2>/dev/null | sed 's/:/ /g' | awk '{print $3}'` |
| 61 | +echo ${DOMAIN:-failed} |
| 62 | +if [ "${DOMAIN}" != unconfined_t ]; then |
| 63 | + echo "" |
| 64 | + echo "The regression tests must be launched from the unconfined_t domain." |
| 65 | + echo "" |
| 66 | + echo "The unconfined_t domain is typically the default domain for user" |
| 67 | + echo "shell processes. If the default has been changed on your system," |
| 68 | + echo "you can revert the changes like this:" |
| 69 | + echo "" |
| 70 | + echo " \$ sudo semanage login -d `whoami`" |
| 71 | + echo "" |
| 72 | + echo "Or, you can add a setting to log in using the unconfined_t domain:" |
| 73 | + echo "" |
| 74 | + echo " \$ sudo semanage login -a -s unconfined_u -r s0-s0:c0.c255 `whoami`" |
| 75 | + echo "" |
| 76 | + exit 1 |
| 77 | +fi |
| 78 | + |
| 79 | +# SELinux must be configured in enforcing mode |
| 80 | +echo -n "checking selinux operating mode ... " |
| 81 | +CURRENT_MODE=`LANG=C sestatus | grep '^Current mode:' | awk '{print $3}'` |
| 82 | +echo ${CURRENT_MODE:-failed} |
| 83 | +if [ "${CURRENT_MODE}" = enforcing ]; then |
| 84 | + : OK |
| 85 | +elif [ "${CURRENT_MODE}" = permissive -o "${CURRENT_MODE}" = disabled ]; then |
| 86 | + echo "" |
| 87 | + echo "Before running the regression tests, SELinux must be enabled and" |
| 88 | + echo "must be running in enforcing mode." |
| 89 | + echo "" |
| 90 | + echo "If SELinux is currently running in permissive mode, you can" |
| 91 | + echo "switch to enforcing mode using the 'setenforce' command." |
| 92 | + echo |
| 93 | + echo " \$ sudo setenforce 1" |
| 94 | + echo "" |
| 95 | + echo "The system default setting is configured in /etc/selinux/config," |
| 96 | + echo "or using a kernel boot parameter." |
| 97 | + echo "" |
| 98 | + exit 1 |
| 99 | +else |
| 100 | + echo "" |
| 101 | + echo "Unable to determine the current selinux operating mode. Please" |
| 102 | + echo "verify that the sestatus command is installed and in your PATH." |
| 103 | + echo "" |
| 104 | + exit 1 |
| 105 | +fi |
| 106 | + |
| 107 | +# 'sepgsql-regtest' policy module must be loaded |
| 108 | +echo -n "checking for sepgsql-regtest policy ... " |
| 109 | +SELINUX_MNT=`LANG=C sestatus | grep '^SELinuxfs mount:' | awk '{print $3}'` |
| 110 | +if [ "$SELINUX_MNT" = "" ]; then |
| 111 | + echo "failed" |
| 112 | + echo "" |
| 113 | + echo "Unable to find SELinuxfs mount point." |
| 114 | + echo "" |
| 115 | + echo "The sestatus command should report the location where SELinuxfs" |
| 116 | + echo "is mounted, but did not do so." |
| 117 | + echo "" |
| 118 | + exit 1 |
| 119 | +fi |
| 120 | +if [ ! -e "${SELINUX_MNT}/booleans/sepgsql_regression_test_mode" ]; then |
| 121 | + echo "failed" |
| 122 | + echo "" |
| 123 | + echo "The 'sepgsql-regtest' policy module appears not to be installed." |
| 124 | + echo "Without this policy installed, the regression tests will fail." |
| 125 | + echo "You can install this module using the following commands:" |
| 126 | + echo "" |
| 127 | + echo " \$ make -f /usr/share/selinux/devel/Makefile" |
| 128 | + echo " \$ sudo semodule -u sepgsql-regtest.pp" |
| 129 | + echo "" |
| 130 | + echo "To confirm that the policy package is installed, use this command:" |
| 131 | + echo "" |
| 132 | + echo " \$ sudo semodule -l | grep sepgsql" |
| 133 | + echo "" |
| 134 | + exit 1 |
| 135 | +fi |
| 136 | +echo "ok" |
| 137 | + |
| 138 | +# Verify that sepgsql_regression_test_mode is active. |
| 139 | +echo -n "checking whether policy is enabled ... " |
| 140 | +POLICY_STATUS=`getsebool sepgsql_regression_test_mode | awk '{print $3}'` |
| 141 | +echo ${POLICY_STATUS:-failed} |
| 142 | +if [ "${POLICY_STATUS}" != on ]; then |
| 143 | + echo "" |
| 144 | + echo "The SELinux boolean 'sepgsql_regression_test_mode' must be" |
| 145 | + echo "turned on in order to enable the rules necessary to run the" |
| 146 | + echo "regression tests." |
| 147 | + echo "" |
| 148 | + if [ "${POLICY_STATUS}" = "" ]; then |
| 149 | + echo "We attempted to determine the state of this Boolean using" |
| 150 | + echo "'getsebool', but that command did not produce the expected" |
| 151 | + echo "output. Please verify that getsebool is available and in" |
| 152 | + echo "your PATH." |
| 153 | + else |
| 154 | + echo "You can turn on this variable using the following commands:" |
| 155 | + echo "" |
| 156 | + echo " \$ sudo setsebool sepgsql_regression_test_mode on" |
| 157 | + echo "" |
| 158 | + echo "For security reasons, it is suggested that you turn off this" |
| 159 | + echo "variable when regression testing is complete and the associated" |
| 160 | + echo "rules are no longer needed." |
| 161 | + fi |
| 162 | + echo "" |
| 163 | + exit 1 |
| 164 | +fi |
| 165 | + |
| 166 | +# 'psql' command must be executable from test domain |
| 167 | +echo -n "checking whether we can run psql ... " |
| 168 | +CMD_PSQL="${PG_BINDIR}/psql" |
| 169 | +if [ ! -e "${CMD_PSQL}" ]; then |
| 170 | + echo "not found" |
| 171 | + echo |
| 172 | + echo "${CMD_PSQL} was not found." |
| 173 | + echo "Check your PostgreSQL installation." |
| 174 | + echo |
| 175 | + exit 1 |
| 176 | +fi |
| 177 | +runcon -t sepgsql_regtest_user_t "${CMD_PSQL}" --help >& /dev/null |
| 178 | +if [ $? -ne 0 ]; then |
| 179 | + echo "failed" |
| 180 | + echo |
| 181 | + echo "${CMD_PSQL} must be executable from the" |
| 182 | + echo "sepgsql_regtest_user_t domain. That domain has restricted privileges" |
| 183 | + echo "compared to unconfined_t, so the problem may be the psql file's" |
| 184 | + echo "SELinux label. Try" |
| 185 | + echo |
| 186 | + PSQL_T=`matchpathcon -n "${CMD_PSQL}" | sed 's/:/ /g' | awk '{print $3}'` |
| 187 | + if [ "${PSQL_T}" = "user_home_t" ]; then |
| 188 | + # Installation appears to be in /home directory |
| 189 | + echo " \$ sudo restorecon -R ${PG_BINDIR}" |
| 190 | + echo |
| 191 | + echo "Or, using chcon" |
| 192 | + echo |
| 193 | + echo " \$ sudo chcon -t user_home_t ${CMD_PSQL}" |
| 194 | + else |
| 195 | + echo " \$ sudo restorecon -R ${PG_BINDIR}" |
| 196 | + echo |
| 197 | + echo "Or, using chcon" |
| 198 | + echo |
| 199 | + echo " \$ sudo chcon -t bin_t ${CMD_PSQL}" |
| 200 | + fi |
| 201 | + echo |
| 202 | + exit 1 |
| 203 | +fi |
| 204 | +echo "ok" |
| 205 | + |
| 206 | +# loadable module must be installed and not configured to permissive mode |
| 207 | +echo -n "checking sepgsql installation ... " |
| 208 | +VAL="`${CMD_PSQL} -t -c 'SHOW sepgsql.permissive' template1 2>/dev/null`" |
| 209 | +RETVAL="$?" |
| 210 | +if [ $RETVAL -eq 2 ]; then |
| 211 | + echo "failed" |
| 212 | + echo "" |
| 213 | + echo "Could not connect to the database server." |
| 214 | + echo "Please check your PostgreSQL installation." |
| 215 | + echo "" |
| 216 | + exit 1 |
| 217 | +elif [ $RETVAL -ne 0 ]; then |
| 218 | + echo "failed" |
| 219 | + echo "" |
| 220 | + echo "The sepgsql module does not appear to be loaded. Please verify" |
| 221 | + echo "that the 'shared_preload_libraries' setting in postgresql.conf" |
| 222 | + echo "includes 'sepgsql', and then restart the server." |
| 223 | + echo "" |
| 224 | + echo "See Installation section of the contrib/sepgsql documentation." |
| 225 | + echo "" |
| 226 | + exit 1 |
| 227 | +elif ! echo "$VAL" | grep -q 'off$'; then |
| 228 | + echo "failed" |
| 229 | + echo "" |
| 230 | + echo "The parameter 'sepgsql.permissive' is set to 'on'. It must be" |
| 231 | + echo "turned off before running the regression tests." |
| 232 | + echo "" |
| 233 | + exit 1 |
| 234 | +fi |
| 235 | +echo "ok" |
| 236 | + |
| 237 | +# template1 database must be labeled |
| 238 | +# NOTE: this test is wrong; we really ought to be checking template0. |
| 239 | +# But we can't connect to that without extra pushups, and it's not worth it. |
| 240 | +echo -n "checking for labels in template1 ... " |
| 241 | +NUM=`${CMD_PSQL} -At -c 'SELECT count(*) FROM pg_catalog.pg_seclabel' template1 2>/dev/null` |
| 242 | +if [ -z "${NUM}" ]; then |
| 243 | + echo "failed" |
| 244 | + echo "" |
| 245 | + echo "In order to test sepgsql, initial labels must be assigned within" |
| 246 | + echo "the 'template1' database. These labels will be copied into the" |
| 247 | + echo "regression test database." |
| 248 | + echo "" |
| 249 | + echo "See Installation section of the contrib/sepgsql documentation." |
| 250 | + echo "" |
| 251 | + exit 1 |
| 252 | +fi |
| 253 | +echo "found ${NUM}" |
| 254 | + |
| 255 | +# |
| 256 | +# checking complete - let's run the tests |
| 257 | +# |
| 258 | + |
| 259 | +echo |
| 260 | +echo "============== running sepgsql regression tests ==============" |
| 261 | + |
| 262 | +make REGRESS="label dml misc" REGRESS_OPTS="--launcher ./launcher" installcheck |
| 263 | + |
| 264 | +# exit with the exit code provided by "make" |
0 commit comments