test/TEST-21-SYSUSERS/test.sh

   1 #!/usr/bin/env bash
   2 set -e
   3 TEST_DESCRIPTION="Sysuser-related tests"
   4 IMAGE_NAME="sysusers"
   5 . $TEST_BASE_DIR/test-functions
   6
   7 test_setup() {
   8     mkdir -p $TESTDIR/etc/sysusers.d $TESTDIR/usr/lib/sysusers.d $TESTDIR/tmp
   9 }
  10
  11 prepare_testdir() {
  12     rm -f $TESTDIR/etc/*{passwd,group,shadow}
  13     for i in $1.initial-{passwd,group,shadow}; do
  14         test -f $i && cp $i $TESTDIR/etc/${i#*.initial-}
  15     done
  16     return 0
  17 }
  18
  19 preprocess() {
  20     in="$1"
  21
  22     # see meson.build how to extract this. gcc -E was used before to
  23     # get this value from config.h, however the autopkgtest fails with
  24     # it
  25     SYSTEM_UID_MAX=$(awk 'BEGIN { uid=999 } /^\s*SYS_UID_MAX\s+/ { uid=$2 } END { print uid }' /etc/login.defs)
  26     SYSTEM_GID_MAX=$(awk 'BEGIN { gid=999 } /^\s*SYS_GID_MAX\s+/ { gid=$2 } END { print gid }' /etc/login.defs)
  27
  28     # we can't rely on config.h to get the nologin path, as autopkgtest
  29     # uses pre-compiled binaries, so extract it from the systemd-sysusers
  30     # binary which we are about to execute
  31     NOLOGIN=$(strings $(type -p systemd-sysusers) | grep nologin)
  32
  33     sed -e "s/SYSTEM_UID_MAX/${SYSTEM_UID_MAX}/g" \
  34         -e "s/SYSTEM_GID_MAX/${SYSTEM_GID_MAX}/g" \
  35         -e "s#NOLOGIN#${NOLOGIN}#g" "$in"
  36 }
  37
  38 compare() {
  39     if ! diff -u $TESTDIR/etc/passwd <(preprocess ${1%.*}.expected-passwd); then
  40         echo "**** Unexpected output for $f"
  41         exit 1
  42     fi
  43
  44     if ! diff -u $TESTDIR/etc/group <(preprocess ${1%.*}.expected-group); then
  45         echo "**** Unexpected output for $f $2"
  46         exit 1
  47     fi
  48 }
  49
  50 test_run() {
  51     # ensure our build of systemd-sysusers is run
  52     PATH=${BUILD_DIR}:$PATH
  53
  54     rm -f $TESTDIR/etc/sysusers.d/* $TESTDIR/usr/lib/sysusers.d/*
  55
  56     # happy tests
  57     for f in test-*.input; do
  58         echo "*** Running $f"
  59         prepare_testdir ${f%.input}
  60         cp $f $TESTDIR/usr/lib/sysusers.d/test.conf
  61         systemd-sysusers --root=$TESTDIR
  62
  63         compare $f ""
  64     done
  65
  66     for f in test-*.input; do
  67         echo "*** Running $f on stdin"
  68         prepare_testdir ${f%.input}
  69         touch $TESTDIR/etc/sysusers.d/test.conf
  70         cat $f | systemd-sysusers --root=$TESTDIR -
  71
  72         compare $f "on stdin"
  73     done
  74
  75     for f in test-*.input; do
  76         echo "*** Running $f on stdin with --replace"
  77         prepare_testdir ${f%.input}
  78         touch $TESTDIR/etc/sysusers.d/test.conf
  79         # this overrides test.conf which is masked on disk
  80         cat $f | systemd-sysusers --root=$TESTDIR --replace=/etc/sysusers.d/test.conf -
  81         # this should be ignored
  82         cat test-1.input | systemd-sysusers --root=$TESTDIR --replace=/usr/lib/sysusers.d/test.conf -
  83
  84         compare $f "on stdin with --replace"
  85     done
  86
  87     # test --inline
  88     echo "*** Testing --inline"
  89     prepare_testdir
  90     # copy a random file to make sure it is ignored
  91     cp $f $TESTDIR/etc/sysusers.d/confuse.conf
  92     systemd-sysusers --root=$TESTDIR --inline \
  93                      "u     u1   222 -     - /bin/zsh" \
  94                      "g     g1   111"
  95
  96     compare inline "(--inline)"
  97
  98     # test --replace
  99     echo "*** Testing --inline with --replace"
 100     prepare_testdir
 101     # copy a random file to make sure it is ignored
 102     cp $f $TESTDIR/etc/sysusers.d/confuse.conf
 103     systemd-sysusers --root=$TESTDIR \
 104                      --inline \
 105                      --replace=/etc/sysusers.d/confuse.conf \
 106                      "u     u1   222 -     - /bin/zsh" \
 107                      "g     g1   111"
 108
 109     compare inline "(--inline --replace=…)"
 110
 111     rm -f $TESTDIR/etc/sysusers.d/* $TESTDIR/usr/lib/sysusers.d/*
 112
 113     # tests for error conditions
 114     for f in unhappy-*.input; do
 115         echo "*** Running test $f"
 116         prepare_testdir ${f%.input}
 117         cp $f $TESTDIR/usr/lib/sysusers.d/test.conf
 118         systemd-sysusers --root=$TESTDIR 2> /dev/null
 119         journalctl --sync
 120         journalctl -t systemd-sysusers -o cat | tail -n1 > $TESTDIR/tmp/err
 121         if ! diff -u $TESTDIR/tmp/err  ${f%.*}.expected-err; then
 122             echo "**** Unexpected error output for $f"
 123             cat $TESTDIR/tmp/err
 124             exit 1
 125         fi
 126     done
 127 }
 128
 129 do_test "$@"