test/units/testsuite-50.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   4 # ex: ts=8 sw=4 sts=4 et filetype=sh
   5 set -eux
   6 set -o pipefail
   7
   8 export SYSTEMD_LOG_LEVEL=debug
   9
  10 cleanup() {(
  11     set +ex
  12
  13     if [ -z "${image_dir}" ]; then
  14         return
  15     fi
  16     umount "${image_dir}/app0"
  17     umount "${image_dir}/app1"
  18     umount "${image_dir}/app-nodistro"
  19     rm -rf "${image_dir}"
  20 )}
  21
  22 udevadm control --log-level=debug
  23
  24 cd /tmp
  25
  26 image_dir="$(mktemp -d -t -p /tmp tmp.XXXXXX)"
  27 if [ -z "${image_dir}" ] || [ ! -d "${image_dir}" ]; then
  28     echo "mktemp under /tmp failed"
  29     exit 1
  30 fi
  31
  32 trap cleanup EXIT
  33
  34 cp /usr/share/minimal* "${image_dir}/"
  35 image="${image_dir}/minimal_0"
  36 roothash="$(cat "${image}.roothash")"
  37
  38 os_release="$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)"
  39
  40 systemd-dissect --json=short "${image}.raw" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  41 systemd-dissect "${image}.raw" | grep -q -F "MARKER=1"
  42 systemd-dissect "${image}.raw" | grep -q -F -f <(sed 's/"//g' "$os_release")
  43
  44 systemd-dissect --list "${image}.raw" | grep -q '^etc/os-release$'
  45 systemd-dissect --mtree "${image}.raw" | grep -q "./usr/bin/cat type=file mode=0755 uid=0 gid=0"
  46
  47 read -r SHA256SUM1 _ < <(systemd-dissect --copy-from "${image}.raw" etc/os-release | sha256sum)
  48 test "$SHA256SUM1" != ""
  49 read -r SHA256SUM2 _ < <(systemd-dissect --read-only --with "${image}.raw" sha256sum etc/os-release)
  50 test "$SHA256SUM2" != ""
  51 test "$SHA256SUM1" = "$SHA256SUM2"
  52
  53 mv "${image}.verity" "${image}.fooverity"
  54 mv "${image}.roothash" "${image}.foohash"
  55 systemd-dissect --json=short "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  56 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F "MARKER=1"
  57 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F -f <(sed 's/"//g' "$os_release")
  58 mv "${image}.fooverity" "${image}.verity"
  59 mv "${image}.foohash" "${image}.roothash"
  60
  61 mkdir -p "${image_dir}/mount" "${image_dir}/mount2"
  62 systemd-dissect --mount "${image}.raw" "${image_dir}/mount"
  63 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
  64 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
  65 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
  66 # Verity volume should be shared (opened only once)
  67 systemd-dissect --mount "${image}.raw" "${image_dir}/mount2"
  68 verity_count=$(find /dev/mapper/ -name "*verity*" | wc -l)
  69 # In theory we should check that count is exactly one. In practice, libdevmapper
  70 # randomly and unpredictably fails with an unhelpful EINVAL when a device is open
  71 # (and even mounted and in use), so best-effort is the most we can do for now
  72 if [ "${verity_count}" -lt 1 ]; then
  73     echo "Verity device ${image}.raw not found in /dev/mapper/"
  74     exit 1
  75 fi
  76 systemd-dissect --umount "${image_dir}/mount"
  77 systemd-dissect --umount "${image_dir}/mount2"
  78
  79 systemd-run -P -p RootImage="${image}.raw" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  80 mv "${image}.verity" "${image}.fooverity"
  81 mv "${image}.roothash" "${image}.foohash"
  82 systemd-run -P -p RootImage="${image}.raw" -p RootHash="${image}.foohash" -p RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  83 # Let's use the long option name just here as a test
  84 systemd-run -P --property RootImage="${image}.raw" --property RootHash="${roothash}" --property RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  85 mv "${image}.fooverity" "${image}.verity"
  86 mv "${image}.foohash" "${image}.roothash"
  87
  88 # Make a GPT disk on the fly, with the squashfs as partition 1 and the verity hash tree as partition 2
  89 machine="$(uname -m)"
  90 if [ "${machine}" = "x86_64" ]; then
  91     root_guid=4f68bce3-e8cd-4db1-96e7-fbcaf984b709
  92     verity_guid=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5
  93     signature_guid=41092b05-9fc8-4523-994f-2def0408b176
  94     architecture="x86-64"
  95 elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then
  96     root_guid=44479540-f297-41b2-9af7-d131d5f0458a
  97     verity_guid=d13c5d3b-b5d1-422a-b29f-9454fdc89d76
  98     signature_guid=5996fc05-109c-48de-808b-23fa0830b676
  99     architecture="x86"
 100 elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then
 101     root_guid=b921b045-1df0-41c3-af44-4c6f280d3fae
 102     verity_guid=df3300ce-d69f-4c92-978c-9bfb0f38d820
 103     signature_guid=6db69de6-29f4-4758-a7a5-962190f00ce3
 104     architecture="arm64"
 105 elif [ "${machine}" = "arm" ]; then
 106     root_guid=69dad710-2ce4-4e3c-b16c-21a1d49abed3
 107     verity_guid=7386cdf2-203c-47a9-a498-f2ecce45a2d6
 108     signature_guid=42b0455f-eb11-491d-98d3-56145ba9d037
 109     architecture="arm"
 110 elif [ "${machine}" = "loongarch64" ]; then
 111     root_guid=77055800-792c-4f94-b39a-98c91b762bb6
 112     verity_guid=f3393b22-e9af-4613-a948-9d3bfbd0c535
 113     signature_guid=5afb67eb-ecc8-4f85-ae8e-ac1e7c50e7d0
 114     architecture="loongarch64"
 115 elif [ "${machine}" = "ia64" ]; then
 116     root_guid=993d8d3d-f80e-4225-855a-9daf8ed7ea97
 117     verity_guid=86ed10d5-b607-45bb-8957-d350f23d0571
 118     signature_guid=e98b36ee-32ba-4882-9b12-0ce14655f46a
 119     architecture="ia64"
 120 elif [ "${machine}" = "s390x" ]; then
 121     root_guid=5eead9a9-fe09-4a1e-a1d7-520d00531306
 122     verity_guid=b325bfbe-c7be-4ab8-8357-139e652d2f6b
 123     signature_guid=c80187a5-73a3-491a-901a-017c3fa953e9
 124     architecture="s390x"
 125 elif [ "${machine}" = "ppc64le" ]; then
 126     root_guid=c31c45e6-3f39-412e-80fb-4809c4980599
 127     verity_guid=906bd944-4589-4aae-a4e4-dd983917446a
 128     signature_guid=d4a236e7-e873-4c07-bf1d-bf6cf7f1c3c6
 129     architecture="ppc64-le"
 130 else
 131     echo "Unexpected uname -m: ${machine} in testsuite-50.sh, please fix me"
 132     exit 1
 133 fi
 134 # du rounds up to block size, which is more helpful for partitioning
 135 root_size="$(du -k "${image}.raw" | cut -f1)"
 136 verity_size="$(du -k "${image}.verity" | cut -f1)"
 137 signature_size=4
 138 # 4MB seems to be the minimum size blkid will accept, below that probing fails
 139 dd if=/dev/zero of="${image}.gpt" bs=512 count=$((8192+root_size*2+verity_size*2+signature_size*2))
 140 # sfdisk seems unhappy if the size overflows into the next unit, eg: 1580KiB will be interpreted as 1MiB
 141 # so do some basic rounding up if the minimal image is more than 1 MB
 142 if [ "${root_size}" -ge 1024 ]; then
 143     root_size="$((root_size/1024 + 1))MiB"
 144 else
 145     root_size="${root_size}KiB"
 146 fi
 147 verity_size="$((verity_size * 2))KiB"
 148 signature_size="$((signature_size * 2))KiB"
 149
 150 HAVE_OPENSSL=0
 151 if systemctl --version | grep -q -- +OPENSSL ; then
 152     # The openssl binary is installed conditionally.
 153     # If we have OpenSSL support enabled and openssl is missing, fail early
 154     # with a proper error message.
 155     if ! command -v openssl >/dev/null 2>&1; then
 156         echo "openssl missing" >/failed
 157         exit 1
 158     fi
 159     HAVE_OPENSSL=1
 160     # Unfortunately OpenSSL insists on reading some config file, hence provide one with mostly placeholder contents
 161     cat >> "${image}.openssl.cnf" <<EOF
 162 [ req ]
 163 prompt = no
 164 distinguished_name = req_distinguished_name
 165
 166 [ req_distinguished_name ]
 167 C = DE
 168 ST = Test State
 169 L = Test Locality
 170 O = Org Name
 171 OU = Org Unit Name
 172 CN = Common Name
 173 emailAddress = test@email.com
 174 EOF
 175
 176     # Create key pair
 177     openssl req -config "${image}.openssl.cnf" -new -x509 -newkey rsa:1024 -keyout "${image}.key" -out "${image}.crt" -days 365 -nodes
 178     # Sign Verity root hash with it
 179     openssl smime -sign -nocerts -noattr -binary -in "${image}.roothash" -inkey "${image}.key" -signer "${image}.crt" -outform der -out "${image}.roothash.p7s"
 180     # Generate signature partition JSON data
 181     echo '{"rootHash":"'"${roothash}"'","signature":"'"$(base64 -w 0 < "${image}.roothash.p7s")"'"}' > "${image}.verity-sig"
 182     # Pad it
 183     truncate -s "${signature_size}" "${image}.verity-sig"
 184     # Register certificate in the (userspace) verity key ring
 185     mkdir -p /run/verity.d
 186     ln -s "${image}.crt" /run/verity.d/ok.crt
 187 fi
 188
 189 # Construct a UUID from hash
 190 # input:  11111111222233334444555566667777
 191 # output: 11111111-2222-3333-4444-555566667777
 192 uuid="$(head -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 193 echo -e "label: gpt\nsize=${root_size}, type=${root_guid}, uuid=${uuid}" | sfdisk "${image}.gpt"
 194 uuid="$(tail -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 195 echo -e "size=${verity_size}, type=${verity_guid}, uuid=${uuid}" | sfdisk "${image}.gpt" --append
 196 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 197     echo -e "size=${signature_size}, type=${signature_guid}" | sfdisk "${image}.gpt" --append
 198 fi
 199 sfdisk --part-label "${image}.gpt" 1 "Root Partition"
 200 sfdisk --part-label "${image}.gpt" 2 "Verity Partition"
 201 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 202     sfdisk --part-label "${image}.gpt" 3 "Signature Partition"
 203 fi
 204 loop="$(losetup --show -P -f "${image}.gpt")"
 205 partitions=(
 206     "${loop:?}p1"
 207     "${loop:?}p2"
 208 )
 209 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 210     partitions+=( "${loop:?}p3" )
 211 fi
 212 # The kernel sometimes(?) does not emit "add" uevent for loop block partition devices.
 213 # Let's not expect the devices to be initialized.
 214 udevadm wait --timeout 60 --settle --initialized=no "${partitions[@]}"
 215 udevadm lock --device="${loop}p1" dd if="${image}.raw" of="${loop}p1"
 216 udevadm lock --device="${loop}p2" dd if="${image}.verity" of="${loop}p2"
 217 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 218     udevadm lock --device="${loop}p3" dd if="${image}.verity-sig" of="${loop}p3"
 219 fi
 220 losetup -d "${loop}"
 221
 222 # Derive partition UUIDs from root hash, in UUID syntax
 223 ROOT_UUID="$(systemd-id128 -u show "$(head -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 224 VERITY_UUID="$(systemd-id128 -u show "$(tail -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 225
 226 systemd-dissect --json=short --root-hash "${roothash}" "${image}.gpt" | grep -q '{"rw":"ro","designator":"root","partition_uuid":"'"$ROOT_UUID"'","partition_label":"Root Partition","fstype":"squashfs","architecture":"'"$architecture"'","verity":"signed",'
 227 systemd-dissect --json=short --root-hash "${roothash}" "${image}.gpt" | grep -q '{"rw":"ro","designator":"root-verity","partition_uuid":"'"$VERITY_UUID"'","partition_label":"Verity Partition","fstype":"DM_verity_hash","architecture":"'"$architecture"'","verity":null,'
 228 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 229     systemd-dissect --json=short --root-hash "${roothash}" "${image}.gpt" | grep -q -E '{"rw":"ro","designator":"root-verity-sig","partition_uuid":"'".*"'","partition_label":"Signature Partition","fstype":"verity_hash_signature","architecture":"'"$architecture"'","verity":null,'
 230 fi
 231 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F "MARKER=1"
 232 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F -f <(sed 's/"//g' "$os_release")
 233
 234 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" "${image_dir}/mount"
 235 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 236 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 237 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 238 systemd-dissect --umount "${image_dir}/mount"
 239
 240 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" --in-memory "${image_dir}/mount"
 241 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 242 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 243 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 244 systemd-dissect --umount "${image_dir}/mount"
 245
 246 # add explicit -p MountAPIVFS=yes once to test the parser
 247 systemd-run -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 248
 249 systemd-run -P -p RootImage="${image}.raw" -p RootImageOptions="root:nosuid,dev home:ro,dev ro,noatime" mount | grep -F "squashfs" | grep -q -F "nosuid"
 250 systemd-run -P -p RootImage="${image}.gpt" -p RootImageOptions="root:ro,noatime root:ro,dev" mount | grep -F "squashfs" | grep -q -F "noatime"
 251
 252 mkdir -p "${image_dir}/result"
 253 cat >/run/systemd/system/testservice-50a.service <<EOF
 254 [Service]
 255 Type=oneshot
 256 ExecStart=bash -c "mount >/run/result/a"
 257 BindPaths=${image_dir}/result:/run/result
 258 TemporaryFileSystem=/run
 259 RootImage=${image}.raw
 260 RootImageOptions=root:ro,noatime home:ro,dev relatime,dev
 261 RootImageOptions=nosuid,dev
 262 EOF
 263 systemctl start testservice-50a.service
 264 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F "noatime"
 265 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F -v "nosuid"
 266
 267 cat >/run/systemd/system/testservice-50b.service <<EOF
 268 [Service]
 269 Type=oneshot
 270 ExecStart=bash -c "mount >/run/result/b"
 271 BindPaths=${image_dir}/result:/run/result
 272 TemporaryFileSystem=/run
 273 RootImage=${image}.gpt
 274 RootImageOptions=root:ro,noatime,nosuid home:ro,dev nosuid,dev
 275 RootImageOptions=home:ro,dev nosuid,dev,%%foo
 276 # this is the default, but let's specify once to test the parser
 277 MountAPIVFS=yes
 278 EOF
 279 systemctl start testservice-50b.service
 280 grep -F "squashfs" "${image_dir}/result/b" | grep -q -F "noatime"
 281
 282 # Check that specifier escape is applied %%foo → %foo
 283 busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1/unit/testservice_2d50b_2eservice org.freedesktop.systemd1.Service RootImageOptions | grep -F "nosuid,dev,%foo"
 284
 285 # Now do some checks with MountImages, both by itself, with options and in combination with RootImage, and as single FS or GPT image
 286 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 287 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 288 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2:nosuid,dev" mount | grep -F "squashfs" | grep -q -F "nosuid"
 289 systemd-run -P -p MountImages="${image}.gpt:/run/img1:root:nosuid ${image}.raw:/run/img2:home:suid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 290 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3" cat /run/img2:3/usr/lib/os-release | grep -q -F "MARKER=1"
 291 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3:nosuid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 292 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 293 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 294 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 295 cat >/run/systemd/system/testservice-50c.service <<EOF
 296 [Service]
 297 MountAPIVFS=yes
 298 TemporaryFileSystem=/run
 299 RootImage=${image}.raw
 300 MountImages=${image}.gpt:/run/img1:root:noatime:home:relatime
 301 MountImages=${image}.raw:/run/img2\:3:nosuid
 302 ExecStart=bash -c "cat /run/img1/usr/lib/os-release >/run/result/c"
 303 ExecStart=bash -c "cat /run/img2:3/usr/lib/os-release >>/run/result/c"
 304 ExecStart=bash -c "mount >>/run/result/c"
 305 BindPaths=${image_dir}/result:/run/result
 306 Type=oneshot
 307 EOF
 308 systemctl start testservice-50c.service
 309 grep -q -F "MARKER=1" "${image_dir}/result/c"
 310 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F "noatime"
 311 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F -v "nosuid"
 312
 313 # Adding a new mounts at runtime works if the unit is in the active state,
 314 # so use Type=notify to make sure there's no race condition in the test
 315 cat >/run/systemd/system/testservice-50d.service <<EOF
 316 [Service]
 317 RuntimeMaxSec=300
 318 Type=notify
 319 RemainAfterExit=yes
 320 MountAPIVFS=yes
 321 PrivateTmp=yes
 322 ExecStart=/bin/sh -c ' \\
 323     systemd-notify --ready; \\
 324     while [[ ! -f /tmp/img/usr/lib/os-release ]] || ! grep -q -F MARKER /tmp/img/usr/lib/os-release; do \\
 325         sleep 0.1; \\
 326     done; \\
 327     mount; \\
 328     mount | grep -F "on /tmp/img type squashfs" | grep -q -F "nosuid"; \\
 329 '
 330 EOF
 331 systemctl start testservice-50d.service
 332
 333 systemctl mount-image --mkdir testservice-50d.service "${image}.raw" /tmp/img root:nosuid
 334
 335 while systemctl show -P SubState testservice-50d.service | grep -q running
 336 do
 337     sleep 0.1
 338 done
 339
 340 systemctl is-active testservice-50d.service
 341
 342 # ExtensionImages will set up an overlay
 343 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 344 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 345 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 346 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 347 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script1.sh | grep -q -F "extension-release.app2"
 348 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 349 systemd-run -P --property ExtensionImages=/usr/share/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 350 # Check that using a symlink to NAME-VERSION.raw works as long as the symlink has the correct name NAME.raw
 351 mkdir -p /usr/share/symlink-test/
 352 cp /usr/share/app-nodistro.raw /usr/share/symlink-test/app-nodistro-v1.raw
 353 ln -fs /usr/share/symlink-test/app-nodistro-v1.raw /usr/share/symlink-test/app-nodistro.raw
 354 systemd-run -P --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 355 cat >/run/systemd/system/testservice-50e.service <<EOF
 356 [Service]
 357 MountAPIVFS=yes
 358 TemporaryFileSystem=/run /var/lib
 359 StateDirectory=app0
 360 RootImage=${image}.raw
 361 ExtensionImages=/usr/share/app0.raw /usr/share/app1.raw:nosuid
 362 # Relevant only for sanitizer runs
 363 UnsetEnvironment=LD_PRELOAD
 364 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 365 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 366 Type=oneshot
 367 RemainAfterExit=yes
 368 EOF
 369 systemctl start testservice-50e.service
 370 systemctl is-active testservice-50e.service
 371
 372 # ExtensionDirectories will set up an overlay
 373 mkdir -p "${image_dir}/app0" "${image_dir}/app1" "${image_dir}/app-nodistro"
 374 systemd-run -P --property ExtensionDirectories="${image_dir}/nonexistent" --property RootImage="${image}.raw" cat /opt/script0.sh && { echo 'unexpected success'; exit 1; }
 375 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh && { echo 'unexpected success'; exit 1; }
 376 systemd-dissect --mount /usr/share/app0.raw "${image_dir}/app0"
 377 systemd-dissect --mount /usr/share/app1.raw "${image_dir}/app1"
 378 systemd-dissect --mount /usr/share/app-nodistro.raw "${image_dir}/app-nodistro"
 379 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 380 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 381 systemd-run -P --property ExtensionDirectories="${image_dir}/app0 ${image_dir}/app1" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 382 systemd-run -P --property ExtensionDirectories="${image_dir}/app0 ${image_dir}/app1" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 383 systemd-run -P --property ExtensionDirectories="${image_dir}/app0 ${image_dir}/app1" --property RootImage="${image}.raw" cat /opt/script1.sh | grep -q -F "extension-release.app2"
 384 systemd-run -P --property ExtensionDirectories="${image_dir}/app0 ${image_dir}/app1" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 385 systemd-run -P --property ExtensionDirectories="${image_dir}/app-nodistro" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 386 cat >/run/systemd/system/testservice-50f.service <<EOF
 387 [Service]
 388 MountAPIVFS=yes
 389 TemporaryFileSystem=/run /var/lib
 390 StateDirectory=app0
 391 RootImage=${image}.raw
 392 ExtensionDirectories=${image_dir}/app0 ${image_dir}/app1
 393 # Relevant only for sanitizer runs
 394 UnsetEnvironment=LD_PRELOAD
 395 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 396 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 397 Type=oneshot
 398 RemainAfterExit=yes
 399 EOF
 400 systemctl start testservice-50f.service
 401 systemctl is-active testservice-50f.service
 402 systemd-dissect --umount "${image_dir}/app0"
 403 systemd-dissect --umount "${image_dir}/app1"
 404
 405 # Test that an extension consisting of an empty directory under /etc/extensions/ takes precedence
 406 mkdir -p /var/lib/extensions/
 407 ln -s /usr/share/app-nodistro.raw /var/lib/extensions/app-nodistro.raw
 408 systemd-sysext merge
 409 grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file
 410 systemd-sysext unmerge
 411 mkdir -p /etc/extensions/app-nodistro
 412 systemd-sysext merge
 413 test ! -e /usr/lib/systemd/system/some_file
 414 systemd-sysext unmerge
 415 rmdir /etc/extensions/app-nodistro
 416 rm /var/lib/extensions/app-nodistro.raw
 417
 418 mkdir -p /run/machines /run/portables /run/extensions
 419 touch /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 420
 421 systemd-dissect --discover --json=short > /tmp/discover.json
 422 grep -q -F '{"name":"a","type":"raw","class":"machine","ro":false,"path":"/run/machines/a.raw"' /tmp/discover.json
 423 grep -q -F '{"name":"b","type":"raw","class":"portable","ro":false,"path":"/run/portables/b.raw"' /tmp/discover.json
 424 grep -q -F '{"name":"c","type":"raw","class":"extension","ro":false,"path":"/run/extensions/c.raw"' /tmp/discover.json
 425 rm /tmp/discover.json /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 426
 427 echo OK >/testok
 428
 429 exit 0