test/test-sysusers.sh.in

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -e
   4
   5 SYSUSERS="${1:-systemd-sysusers}"
   6
   7 # shellcheck disable=SC1090
   8 [ -e "$(dirname "$0")/../systemd-runtest.env" ] && . "$(dirname "$0")/../systemd-runtest.env"
   9 SYSTEMD_TEST_DATA=${SYSTEMD_TEST_DATA:-@SYSTEMD_TEST_DATA@}
  10 SOURCE=$SYSTEMD_TEST_DATA/test-sysusers
  11
  12 TESTDIR=$(mktemp --tmpdir --directory "test-sysusers.XXXXXXXXXX")
  13 # shellcheck disable=SC2064
  14 trap "rm -rf '$TESTDIR'" EXIT INT QUIT PIPE
  15
  16 prepare_testdir() {
  17     mkdir -p "$TESTDIR/etc/sysusers.d/"
  18     mkdir -p "$TESTDIR/usr/lib/sysusers.d/"
  19     rm -f "$TESTDIR"/etc/*{passwd,group,shadow}
  20     for i in $1.initial-{passwd,group,shadow}; do
  21         test -f "$i" && cp "$i" "$TESTDIR/etc/${i#*.initial-}"
  22     done
  23     return 0
  24 }
  25
  26 # shellcheck disable=SC2050
  27 [ @SYSTEM_UID_MAX@ -lt @SYSTEM_GID_MAX@ ] && system_guid_max=@SYSTEM_UID_MAX@ || system_guid_max=@SYSTEM_GID_MAX@
  28
  29 preprocess() {
  30     m=${2:-$system_guid_max}
  31
  32     # shellcheck disable=SC2140
  33     sed -e "s/SYSTEM_UGID_MAX/$m/g;
  34             s#NOLOGIN#@NOLOGIN@#g" "$1"
  35 }
  36
  37 compare() {
  38     if ! diff -u "$TESTDIR/etc/passwd" <(preprocess "$1.expected-passwd" "$3"); then
  39         echo >&2 "**** Unexpected output for $f $2"
  40         exit 1
  41     fi
  42
  43     if ! diff -u "$TESTDIR/etc/group" <(preprocess "$1.expected-group" "$3"); then
  44         echo >&2 "**** Unexpected output for $f $2"
  45         exit 1
  46     fi
  47 }
  48
  49 rm -f "$TESTDIR"/etc/sysusers.d/* "$TESTDIR"/usr/lib/sysusers.d/*
  50
  51 # happy tests
  52 for f in $(find "$SOURCE"/test-*.input | sort -V); do
  53     echo "*** Running $f"
  54     prepare_testdir "${f%.input}"
  55     cp "$f" "$TESTDIR/usr/lib/sysusers.d/test.conf"
  56     $SYSUSERS --root="$TESTDIR"
  57
  58     compare "${f%.*}" ""
  59 done
  60
  61 for f in $(find "$SOURCE"/test-*.input | sort -V); do
  62     echo "*** Running $f on stdin"
  63     prepare_testdir "${f%.input}"
  64     touch "$TESTDIR/etc/sysusers.d/test.conf"
  65     $SYSUSERS --root="$TESTDIR" - <"$f"
  66
  67     compare "${f%.*}" "on stdin"
  68 done
  69
  70 for f in $(find "$SOURCE"/test-*.input | sort -V); do
  71     echo "*** Running $f on stdin with --replace"
  72     prepare_testdir "${f%.input}"
  73     touch "$TESTDIR/etc/sysusers.d/test.conf"
  74     # this overrides test.conf which is masked on disk
  75     $SYSUSERS --root="$TESTDIR" --replace=/etc/sysusers.d/test.conf - <"$f"
  76     # this should be ignored
  77     $SYSUSERS --root="$TESTDIR" --replace=/usr/lib/sysusers.d/test.conf - <"$SOURCE/test-1.input"
  78
  79     compare "${f%.*}" "on stdin with --replace"
  80 done
  81
  82 # test --inline
  83 echo "*** Testing --inline"
  84 prepare_testdir "$SOURCE/inline"
  85 # copy a random file to make sure it is ignored
  86 cp "$f" "$TESTDIR/etc/sysusers.d/confuse.conf"
  87 $SYSUSERS --root="$TESTDIR" --inline \
  88           "u     u1   222 -     - /bin/zsh" \
  89           "g     g1   111"
  90
  91 compare "$SOURCE/inline" "(--inline)"
  92
  93 # test --replace
  94 echo "*** Testing --inline with --replace"
  95 prepare_testdir "$SOURCE/inline"
  96 # copy a random file to make sure it is ignored
  97 cp "$f" "$TESTDIR/etc/sysusers.d/confuse.conf"
  98 $SYSUSERS --root="$TESTDIR" \
  99           --inline \
 100           --replace=/etc/sysusers.d/confuse.conf \
 101           "u     u1   222 -     - /bin/zsh" \
 102           "g     g1   111"
 103
 104 compare "$SOURCE/inline" "(--inline --replace=…)"
 105
 106 echo "*** Testing --inline with no /etc"
 107 rm -rf "${TESTDIR:?}/etc"
 108 $SYSUSERS --root="$TESTDIR" --inline \
 109           "u     u1   222 -     - /bin/zsh" \
 110           "g     g1   111"
 111
 112 compare "$SOURCE/inline" "(--inline)"
 113
 114 rm -f "$TESTDIR"/etc/sysusers.d/* "$TESTDIR"/usr/lib/sysusers.d/*
 115
 116 cat >"$TESTDIR/etc/login.defs" <<EOF
 117 SYS_UID_MIN abcd
 118 SYS_UID_MAX abcd
 119 SYS_GID_MIN abcd
 120 SYS_GID_MAX abcd
 121 SYS_UID_MIN 401
 122 SYS_UID_MAX 555
 123 SYS_GID_MIN 405
 124 SYS_GID_MAX 666
 125 SYS_UID_MIN abcd
 126 SYS_UID_MAX abcd
 127 SYS_GID_MIN abcd
 128 SYS_GID_MAX abcd
 129 SYS_UID_MIN999
 130 SYS_UID_MAX999
 131 SYS_GID_MIN999
 132 SYS_GID_MAX999
 133 EOF
 134
 135 for f in $(find "$SOURCE"/test-*.input | sort -V); do
 136     echo "*** Running $f (with login.defs)"
 137     prepare_testdir "${f%.input}"
 138     cp "$f" "$TESTDIR/usr/lib/sysusers.d/test.conf"
 139     $SYSUSERS --root="$TESTDIR"
 140
 141     # shellcheck disable=SC2050
 142     [ @ENABLE_COMPAT_MUTABLE_UID_BOUNDARIES@ = 1 ] && bound=555 || bound=$system_guid_max
 143     compare "${f%.*}" "(with login.defs)" "$bound"
 144 done
 145
 146 rm -f "$TESTDIR"/etc/sysusers.d/* "$TESTDIR"/usr/lib/sysusers.d/*
 147
 148 mv "$TESTDIR/etc/login.defs" "$TESTDIR/etc/login.defs.moved"
 149 ln -s ../../../../../etc/login.defs.moved "$TESTDIR/etc/login.defs"
 150
 151 for f in $(find "$SOURCE"/test-*.input | sort -V); do
 152     echo "*** Running $f (with login.defs symlinked)"
 153     prepare_testdir "${f%.input}"
 154     cp "$f" "$TESTDIR/usr/lib/sysusers.d/test.conf"
 155     $SYSUSERS --root="$TESTDIR"
 156
 157     # shellcheck disable=SC2050
 158     [ @ENABLE_COMPAT_MUTABLE_UID_BOUNDARIES@ = 1 ] && bound=555 || bound=$system_guid_max
 159     compare "${f%.*}" "(with login.defs symlinked)" "$bound"
 160 done
 161
 162 rm -f "$TESTDIR"/etc/sysusers.d/* "$TESTDIR"/usr/lib/sysusers.d/*
 163
 164 # tests for error conditions
 165 for f in $(find "$SOURCE"/unhappy-*.input | sort -V); do
 166     echo "*** Running test $f"
 167     prepare_testdir "${f%.input}"
 168     cp "$f" "$TESTDIR/usr/lib/sysusers.d/test.conf"
 169     SYSTEMD_LOG_LEVEL=info $SYSUSERS --root="$TESTDIR" 2>&1 | tail -n1 | sed -r 's/^[^:]+:[^:]+://' >"$TESTDIR/err"
 170     if ! diff -u "$TESTDIR/err"  "${f%.*}.expected-err"; then
 171         echo >&2 "**** Unexpected error output for $f"
 172         cat >&2 "$TESTDIR/err"
 173         exit 1
 174     fi
 175 done