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 # shellcheck disable=SC2317
  11 cleanup() {(
  12     set +ex
  13
  14     if [ -z "${image_dir}" ]; then
  15         return
  16     fi
  17     umount "${image_dir}/app0"
  18     umount "${image_dir}/app1"
  19     umount "${image_dir}/app-nodistro"
  20     umount "${image_dir}/service-scoped-test"
  21     rm -rf "${image_dir}"
  22 )}
  23
  24 udevadm control --log-level=debug
  25
  26 cd /tmp
  27
  28 image_dir="$(mktemp -d -t -p /tmp tmp.XXXXXX)"
  29 if [ -z "${image_dir}" ] || [ ! -d "${image_dir}" ]; then
  30     echo "mktemp under /tmp failed"
  31     exit 1
  32 fi
  33
  34 trap cleanup EXIT
  35
  36 cp /usr/share/minimal* "${image_dir}/"
  37 image="${image_dir}/minimal_0"
  38 roothash="$(cat "${image}.roothash")"
  39
  40 os_release="$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)"
  41
  42 systemd-dissect --json=short "${image}.raw" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  43 systemd-dissect "${image}.raw" | grep -q -F "MARKER=1"
  44 systemd-dissect "${image}.raw" | grep -q -F -f <(sed 's/"//g' "$os_release")
  45
  46 systemd-dissect --list "${image}.raw" | grep -q '^etc/os-release$'
  47 systemd-dissect --mtree "${image}.raw" --mtree-hash yes | grep -qe "^./usr/bin/cat type=file mode=0755 uid=0 gid=0 size=[0-9]* sha256sum=[a-z0-9]*$"
  48 systemd-dissect --mtree "${image}.raw" --mtree-hash no  | grep -qe "^./usr/bin/cat type=file mode=0755 uid=0 gid=0 size=[0-9]*$"
  49
  50 read -r SHA256SUM1 _ < <(systemd-dissect --copy-from "${image}.raw" etc/os-release | sha256sum)
  51 test "$SHA256SUM1" != ""
  52 read -r SHA256SUM2 _ < <(systemd-dissect --read-only --with "${image}.raw" sha256sum etc/os-release)
  53 test "$SHA256SUM2" != ""
  54 test "$SHA256SUM1" = "$SHA256SUM2"
  55
  56 mv "${image}.verity" "${image}.fooverity"
  57 mv "${image}.roothash" "${image}.foohash"
  58 systemd-dissect --json=short "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  59 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F "MARKER=1"
  60 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F -f <(sed 's/"//g' "$os_release")
  61 mv "${image}.fooverity" "${image}.verity"
  62 mv "${image}.foohash" "${image}.roothash"
  63
  64 mkdir -p "${image_dir}/mount" "${image_dir}/mount2"
  65 systemd-dissect --mount "${image}.raw" "${image_dir}/mount"
  66 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
  67 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
  68 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
  69 # Verity volume should be shared (opened only once)
  70 systemd-dissect --mount "${image}.raw" "${image_dir}/mount2"
  71 verity_count=$(find /dev/mapper/ -name "*verity*" | wc -l)
  72 # In theory we should check that count is exactly one. In practice, libdevmapper
  73 # randomly and unpredictably fails with an unhelpful EINVAL when a device is open
  74 # (and even mounted and in use), so best-effort is the most we can do for now
  75 if [ "${verity_count}" -lt 1 ]; then
  76     echo "Verity device ${image}.raw not found in /dev/mapper/"
  77     exit 1
  78 fi
  79 systemd-dissect --umount "${image_dir}/mount"
  80 systemd-dissect --umount "${image_dir}/mount2"
  81
  82 systemd-run -P -p RootImage="${image}.raw" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  83 mv "${image}.verity" "${image}.fooverity"
  84 mv "${image}.roothash" "${image}.foohash"
  85 systemd-run -P -p RootImage="${image}.raw" -p RootHash="${image}.foohash" -p RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  86 # Let's use the long option name just here as a test
  87 systemd-run -P --property RootImage="${image}.raw" --property RootHash="${roothash}" --property RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  88 mv "${image}.fooverity" "${image}.verity"
  89 mv "${image}.foohash" "${image}.roothash"
  90
  91 # Make a GPT disk on the fly, with the squashfs as partition 1 and the verity hash tree as partition 2
  92 machine="$(uname -m)"
  93 if [ "${machine}" = "x86_64" ]; then
  94     root_guid=4f68bce3-e8cd-4db1-96e7-fbcaf984b709
  95     verity_guid=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5
  96     signature_guid=41092b05-9fc8-4523-994f-2def0408b176
  97     architecture="x86-64"
  98 elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then
  99     root_guid=44479540-f297-41b2-9af7-d131d5f0458a
 100     verity_guid=d13c5d3b-b5d1-422a-b29f-9454fdc89d76
 101     signature_guid=5996fc05-109c-48de-808b-23fa0830b676
 102     architecture="x86"
 103 elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then
 104     root_guid=b921b045-1df0-41c3-af44-4c6f280d3fae
 105     verity_guid=df3300ce-d69f-4c92-978c-9bfb0f38d820
 106     signature_guid=6db69de6-29f4-4758-a7a5-962190f00ce3
 107     architecture="arm64"
 108 elif [ "${machine}" = "arm" ]; then
 109     root_guid=69dad710-2ce4-4e3c-b16c-21a1d49abed3
 110     verity_guid=7386cdf2-203c-47a9-a498-f2ecce45a2d6
 111     signature_guid=42b0455f-eb11-491d-98d3-56145ba9d037
 112     architecture="arm"
 113 elif [ "${machine}" = "loongarch64" ]; then
 114     root_guid=77055800-792c-4f94-b39a-98c91b762bb6
 115     verity_guid=f3393b22-e9af-4613-a948-9d3bfbd0c535
 116     signature_guid=5afb67eb-ecc8-4f85-ae8e-ac1e7c50e7d0
 117     architecture="loongarch64"
 118 elif [ "${machine}" = "ia64" ]; then
 119     root_guid=993d8d3d-f80e-4225-855a-9daf8ed7ea97
 120     verity_guid=86ed10d5-b607-45bb-8957-d350f23d0571
 121     signature_guid=e98b36ee-32ba-4882-9b12-0ce14655f46a
 122     architecture="ia64"
 123 elif [ "${machine}" = "s390x" ]; then
 124     root_guid=5eead9a9-fe09-4a1e-a1d7-520d00531306
 125     verity_guid=b325bfbe-c7be-4ab8-8357-139e652d2f6b
 126     signature_guid=c80187a5-73a3-491a-901a-017c3fa953e9
 127     architecture="s390x"
 128 elif [ "${machine}" = "ppc64le" ]; then
 129     root_guid=c31c45e6-3f39-412e-80fb-4809c4980599
 130     verity_guid=906bd944-4589-4aae-a4e4-dd983917446a
 131     signature_guid=d4a236e7-e873-4c07-bf1d-bf6cf7f1c3c6
 132     architecture="ppc64-le"
 133 else
 134     echo "Unexpected uname -m: ${machine} in testsuite-50.sh, please fix me"
 135     exit 1
 136 fi
 137 # du rounds up to block size, which is more helpful for partitioning
 138 root_size="$(du -k "${image}.raw" | cut -f1)"
 139 verity_size="$(du -k "${image}.verity" | cut -f1)"
 140 signature_size=4
 141 # 4MB seems to be the minimum size blkid will accept, below that probing fails
 142 dd if=/dev/zero of="${image}.gpt" bs=512 count=$((8192+root_size*2+verity_size*2+signature_size*2))
 143 # sfdisk seems unhappy if the size overflows into the next unit, eg: 1580KiB will be interpreted as 1MiB
 144 # so do some basic rounding up if the minimal image is more than 1 MB
 145 if [ "${root_size}" -ge 1024 ]; then
 146     root_size="$((root_size/1024 + 1))MiB"
 147 else
 148     root_size="${root_size}KiB"
 149 fi
 150 verity_size="$((verity_size * 2))KiB"
 151 signature_size="$((signature_size * 2))KiB"
 152
 153 HAVE_OPENSSL=0
 154 if systemctl --version | grep -q -- +OPENSSL ; then
 155     # The openssl binary is installed conditionally.
 156     # If we have OpenSSL support enabled and openssl is missing, fail early
 157     # with a proper error message.
 158     if ! command -v openssl >/dev/null 2>&1; then
 159         echo "openssl missing" >/failed
 160         exit 1
 161     fi
 162     HAVE_OPENSSL=1
 163     # Unfortunately OpenSSL insists on reading some config file, hence provide one with mostly placeholder contents
 164     cat >>"${image}.openssl.cnf" <<EOF
 165 [ req ]
 166 prompt = no
 167 distinguished_name = req_distinguished_name
 168
 169 [ req_distinguished_name ]
 170 C = DE
 171 ST = Test State
 172 L = Test Locality
 173 O = Org Name
 174 OU = Org Unit Name
 175 CN = Common Name
 176 emailAddress = test@email.com
 177 EOF
 178
 179     # Create key pair
 180     openssl req -config "${image}.openssl.cnf" -new -x509 -newkey rsa:1024 -keyout "${image}.key" -out "${image}.crt" -days 365 -nodes
 181     # Sign Verity root hash with it
 182     openssl smime -sign -nocerts -noattr -binary -in "${image}.roothash" -inkey "${image}.key" -signer "${image}.crt" -outform der -out "${image}.roothash.p7s"
 183     # Generate signature partition JSON data
 184     echo '{"rootHash":"'"${roothash}"'","signature":"'"$(base64 -w 0 <"${image}.roothash.p7s")"'"}' >"${image}.verity-sig"
 185     # Pad it
 186     truncate -s "${signature_size}" "${image}.verity-sig"
 187     # Register certificate in the (userspace) verity key ring
 188     mkdir -p /run/verity.d
 189     ln -s "${image}.crt" /run/verity.d/ok.crt
 190 fi
 191
 192 # Construct a UUID from hash
 193 # input:  11111111222233334444555566667777
 194 # output: 11111111-2222-3333-4444-555566667777
 195 uuid="$(head -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 196 echo -e "label: gpt\nsize=${root_size}, type=${root_guid}, uuid=${uuid}" | sfdisk "${image}.gpt"
 197 uuid="$(tail -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 198 echo -e "size=${verity_size}, type=${verity_guid}, uuid=${uuid}" | sfdisk "${image}.gpt" --append
 199 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 200     echo -e "size=${signature_size}, type=${signature_guid}" | sfdisk "${image}.gpt" --append
 201 fi
 202 sfdisk --part-label "${image}.gpt" 1 "Root Partition"
 203 sfdisk --part-label "${image}.gpt" 2 "Verity Partition"
 204 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 205     sfdisk --part-label "${image}.gpt" 3 "Signature Partition"
 206 fi
 207 loop="$(losetup --show -P -f "${image}.gpt")"
 208 partitions=(
 209     "${loop:?}p1"
 210     "${loop:?}p2"
 211 )
 212 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 213     partitions+=( "${loop:?}p3" )
 214 fi
 215 # The kernel sometimes(?) does not emit "add" uevent for loop block partition devices.
 216 # Let's not expect the devices to be initialized.
 217 udevadm wait --timeout 60 --settle --initialized=no "${partitions[@]}"
 218 udevadm lock --device="${loop}p1" dd if="${image}.raw" of="${loop}p1"
 219 udevadm lock --device="${loop}p2" dd if="${image}.verity" of="${loop}p2"
 220 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 221     udevadm lock --device="${loop}p3" dd if="${image}.verity-sig" of="${loop}p3"
 222 fi
 223 losetup -d "${loop}"
 224
 225 # Derive partition UUIDs from root hash, in UUID syntax
 226 ROOT_UUID="$(systemd-id128 -u show "$(head -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 227 VERITY_UUID="$(systemd-id128 -u show "$(tail -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 228
 229 systemd-dissect --json=short --root-hash "${roothash}" "${image}.gpt" | grep -q '{"rw":"ro","designator":"root","partition_uuid":"'"$ROOT_UUID"'","partition_label":"Root Partition","fstype":"squashfs","architecture":"'"$architecture"'","verity":"signed",'
 230 systemd-dissect --json=short --root-hash "${roothash}" "${image}.gpt" | grep -q '{"rw":"ro","designator":"root-verity","partition_uuid":"'"$VERITY_UUID"'","partition_label":"Verity Partition","fstype":"DM_verity_hash","architecture":"'"$architecture"'","verity":null,'
 231 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 232     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":"'"$architecture"'","verity":null,'
 233 fi
 234 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F "MARKER=1"
 235 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F -f <(sed 's/"//g' "$os_release")
 236
 237 # Test image policies
 238 systemd-dissect --validate "${image}.gpt"
 239 systemd-dissect --validate "${image}.gpt" --image-policy='*'
 240 (! systemd-dissect --validate "${image}.gpt" --image-policy='~')
 241 (! systemd-dissect --validate "${image}.gpt" --image-policy='-')
 242 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=absent)
 243 (! systemd-dissect --validate "${image}.gpt" --image-policy=swap=unprotected+encrypted+verity)
 244 systemd-dissect --validate "${image}.gpt" --image-policy=root=unprotected
 245 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity
 246 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:root-verity-sig=unused+absent
 247 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:swap=absent
 248 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:swap=absent+unprotected
 249 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:root-verity=unused+absent)
 250 systemd-dissect --validate "${image}.gpt" --image-policy=root=signed
 251 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=signed:root-verity-sig=unused+absent)
 252 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=signed:root-verity=unused+absent)
 253
 254 # Test RootImagePolicy= unit file setting
 255 systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 256 systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='*' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 257 (! systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='~' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1")
 258 (! systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='-' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1")
 259 (! systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='root=absent' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1")
 260 systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='root=verity' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 261 systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='root=signed' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 262 (! systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p RootImagePolicy='root=encrypted' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1")
 263
 264 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" "${image_dir}/mount"
 265 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 266 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 267 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 268 systemd-dissect --umount "${image_dir}/mount"
 269
 270 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" --in-memory "${image_dir}/mount"
 271 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 272 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 273 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 274 systemd-dissect --umount "${image_dir}/mount"
 275
 276 # add explicit -p MountAPIVFS=yes once to test the parser
 277 systemd-run -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 278
 279 systemd-run -P -p RootImage="${image}.raw" -p RootImageOptions="root:nosuid,dev home:ro,dev ro,noatime" mount | grep -F "squashfs" | grep -q -F "nosuid"
 280 systemd-run -P -p RootImage="${image}.gpt" -p RootImageOptions="root:ro,noatime root:ro,dev" mount | grep -F "squashfs" | grep -q -F "noatime"
 281
 282 mkdir -p "${image_dir}/result"
 283 cat >/run/systemd/system/testservice-50a.service <<EOF
 284 [Service]
 285 Type=oneshot
 286 ExecStart=bash -c "mount >/run/result/a"
 287 BindPaths=${image_dir}/result:/run/result
 288 TemporaryFileSystem=/run
 289 RootImage=${image}.raw
 290 RootImageOptions=root:ro,noatime home:ro,dev relatime,dev
 291 RootImageOptions=nosuid,dev
 292 EOF
 293 systemctl start testservice-50a.service
 294 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F "noatime"
 295 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F -v "nosuid"
 296
 297 cat >/run/systemd/system/testservice-50b.service <<EOF
 298 [Service]
 299 Type=oneshot
 300 ExecStart=bash -c "mount >/run/result/b"
 301 BindPaths=${image_dir}/result:/run/result
 302 TemporaryFileSystem=/run
 303 RootImage=${image}.gpt
 304 RootImageOptions=root:ro,noatime,nosuid home:ro,dev nosuid,dev
 305 RootImageOptions=home:ro,dev nosuid,dev,%%foo
 306 # this is the default, but let's specify once to test the parser
 307 MountAPIVFS=yes
 308 EOF
 309 systemctl start testservice-50b.service
 310 grep -F "squashfs" "${image_dir}/result/b" | grep -q -F "noatime"
 311
 312 # Check that specifier escape is applied %%foo → %foo
 313 busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1/unit/testservice_2d50b_2eservice org.freedesktop.systemd1.Service RootImageOptions | grep -F "nosuid,dev,%foo"
 314
 315 # Now do some checks with MountImages, both by itself, with options and in combination with RootImage, and as single FS or GPT image
 316 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 317 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 318 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2:nosuid,dev" mount | grep -F "squashfs" | grep -q -F "nosuid"
 319 systemd-run -P -p MountImages="${image}.gpt:/run/img1:root:nosuid ${image}.raw:/run/img2:home:suid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 320 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3" cat /run/img2:3/usr/lib/os-release | grep -q -F "MARKER=1"
 321 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3:nosuid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 322 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 323 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 324 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 325 cat >/run/systemd/system/testservice-50c.service <<EOF
 326 [Service]
 327 MountAPIVFS=yes
 328 TemporaryFileSystem=/run
 329 RootImage=${image}.raw
 330 MountImages=${image}.gpt:/run/img1:root:noatime:home:relatime
 331 MountImages=${image}.raw:/run/img2\:3:nosuid
 332 ExecStart=bash -c "cat /run/img1/usr/lib/os-release >/run/result/c"
 333 ExecStart=bash -c "cat /run/img2:3/usr/lib/os-release >>/run/result/c"
 334 ExecStart=bash -c "mount >>/run/result/c"
 335 BindPaths=${image_dir}/result:/run/result
 336 Type=oneshot
 337 EOF
 338 systemctl start testservice-50c.service
 339 grep -q -F "MARKER=1" "${image_dir}/result/c"
 340 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F "noatime"
 341 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F -v "nosuid"
 342
 343 # Adding a new mounts at runtime works if the unit is in the active state,
 344 # so use Type=notify to make sure there's no race condition in the test
 345 cat >/run/systemd/system/testservice-50d.service <<EOF
 346 [Service]
 347 RuntimeMaxSec=300
 348 Type=notify
 349 RemainAfterExit=yes
 350 MountAPIVFS=yes
 351 PrivateTmp=yes
 352 ExecStart=/bin/sh -c ' \\
 353     systemd-notify --ready; \\
 354     while [[ ! -f /tmp/img/usr/lib/os-release ]] || ! grep -q -F MARKER /tmp/img/usr/lib/os-release; do \\
 355         sleep 0.1; \\
 356     done; \\
 357     mount; \\
 358     mount | grep -F "on /tmp/img type squashfs" | grep -q -F "nosuid"; \\
 359 '
 360 EOF
 361 systemctl start testservice-50d.service
 362
 363 systemctl mount-image --mkdir testservice-50d.service "${image}.raw" /tmp/img root:nosuid
 364
 365 while systemctl show -P SubState testservice-50d.service | grep -q running
 366 do
 367     sleep 0.1
 368 done
 369
 370 systemctl is-active testservice-50d.service
 371
 372 # ExtensionImages will set up an overlay
 373 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 374 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 375 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 376 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 377 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script1.sh | grep -q -F "extension-release.app2"
 378 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 379 systemd-run -P --property ExtensionImages=/usr/share/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 380 systemd-run -P --property ExtensionImages=/etc/service-scoped-test.raw --property RootImage="${image}.raw" cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 381 # Check that using a symlink to NAME-VERSION.raw works as long as the symlink has the correct name NAME.raw
 382 mkdir -p /usr/share/symlink-test/
 383 cp /usr/share/app-nodistro.raw /usr/share/symlink-test/app-nodistro-v1.raw
 384 ln -fs /usr/share/symlink-test/app-nodistro-v1.raw /usr/share/symlink-test/app-nodistro.raw
 385 systemd-run -P --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 386
 387 # Symlink check again but for confext
 388 mkdir -p /etc/symlink-test/
 389 cp /etc/service-scoped-test.raw /etc/symlink-test/service-scoped-test-v1.raw
 390 ln -fs /etc/symlink-test/service-scoped-test-v1.raw /etc/symlink-test/service-scoped-test.raw
 391 systemd-run -P --property ExtensionImages=/etc/symlink-test/service-scoped-test.raw --property RootImage="${image}.raw" cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 392
 393 cat >/run/systemd/system/testservice-50e.service <<EOF
 394 [Service]
 395 MountAPIVFS=yes
 396 TemporaryFileSystem=/run /var/lib
 397 StateDirectory=app0
 398 RootImage=${image}.raw
 399 ExtensionImages=/usr/share/app0.raw /usr/share/app1.raw:nosuid
 400 # Relevant only for sanitizer runs
 401 UnsetEnvironment=LD_PRELOAD
 402 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 403 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 404 Type=oneshot
 405 RemainAfterExit=yes
 406 EOF
 407 systemctl start testservice-50e.service
 408 systemctl is-active testservice-50e.service
 409
 410 # ExtensionDirectories will set up an overlay
 411 mkdir -p "${image_dir}/app0" "${image_dir}/app1" "${image_dir}/app-nodistro" "${image_dir}/service-scoped-test"
 412 (! systemd-run -P --property ExtensionDirectories="${image_dir}/nonexistent" --property RootImage="${image}.raw" cat /opt/script0.sh)
 413 (! systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh)
 414 systemd-dissect --mount /usr/share/app0.raw "${image_dir}/app0"
 415 systemd-dissect --mount /usr/share/app1.raw "${image_dir}/app1"
 416 systemd-dissect --mount /usr/share/app-nodistro.raw "${image_dir}/app-nodistro"
 417 systemd-dissect --mount /etc/service-scoped-test.raw "${image_dir}/service-scoped-test"
 418 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 419 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 420 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"
 421 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"
 422 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"
 423 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"
 424 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"
 425 systemd-run -P --property ExtensionDirectories="${image_dir}/service-scoped-test" --property RootImage="${image}.raw" cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 426 cat >/run/systemd/system/testservice-50f.service <<EOF
 427 [Service]
 428 MountAPIVFS=yes
 429 TemporaryFileSystem=/run /var/lib
 430 StateDirectory=app0
 431 RootImage=${image}.raw
 432 ExtensionDirectories=${image_dir}/app0 ${image_dir}/app1
 433 # Relevant only for sanitizer runs
 434 UnsetEnvironment=LD_PRELOAD
 435 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 436 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 437 Type=oneshot
 438 RemainAfterExit=yes
 439 EOF
 440 systemctl start testservice-50f.service
 441 systemctl is-active testservice-50f.service
 442 systemd-dissect --umount "${image_dir}/app0"
 443 systemd-dissect --umount "${image_dir}/app1"
 444
 445 # Test that an extension consisting of an empty directory under /etc/extensions/ takes precedence
 446 mkdir -p /var/lib/extensions/
 447 ln -s /usr/share/app-nodistro.raw /var/lib/extensions/app-nodistro.raw
 448 systemd-sysext merge
 449 grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file
 450 systemd-sysext unmerge
 451 mkdir -p /etc/extensions/app-nodistro
 452 systemd-sysext merge
 453 test ! -e /usr/lib/systemd/system/some_file
 454 systemd-sysext unmerge
 455 rmdir /etc/extensions/app-nodistro
 456
 457 # Check that extensions cannot contain os-release
 458 mkdir -p /run/extensions/app-reject/usr/lib/{extension-release.d/,systemd/system}
 459 echo "ID=_any" >/run/extensions/app-reject/usr/lib/extension-release.d/extension-release.app-reject
 460 echo "ID=_any" >/run/extensions/app-reject/usr/lib/os-release
 461 touch /run/extensions/app-reject/usr/lib/systemd/system/other_file
 462 (! systemd-sysext merge)
 463 test ! -e /usr/lib/systemd/system/some_file
 464 test ! -e /usr/lib/systemd/system/other_file
 465 systemd-sysext unmerge
 466 rm -rf /run/extensions/app-reject
 467 rm /var/lib/extensions/app-nodistro.raw
 468
 469 mkdir -p /run/machines /run/portables /run/extensions
 470 touch /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 471
 472 systemd-dissect --discover --json=short >/tmp/discover.json
 473 grep -q -F '{"name":"a","type":"raw","class":"machine","ro":false,"path":"/run/machines/a.raw"' /tmp/discover.json
 474 grep -q -F '{"name":"b","type":"raw","class":"portable","ro":false,"path":"/run/portables/b.raw"' /tmp/discover.json
 475 grep -q -F '{"name":"c","type":"raw","class":"sysext","ro":false,"path":"/run/extensions/c.raw"' /tmp/discover.json
 476 rm /tmp/discover.json /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 477
 478 # Check that the /sbin/mount.ddi helper works
 479 T="/tmp/mounthelper.$RANDOM"
 480 mount -t ddi "${image}.gpt" "$T" -o ro,X-mount.mkdir,discard
 481 umount -R "$T"
 482 rmdir "$T"
 483
 484 LOOP="$(systemd-dissect --attach --loop-ref=waldo "${image}.raw")"
 485
 486 # Wait until the symlinks we want to test are established
 487 udevadm trigger -w "$LOOP"
 488
 489 # Check if the /dev/loop/* symlinks really reference the right device
 490 test /dev/disk/by-loop-ref/waldo -ef "$LOOP"
 491
 492 if [ "$(stat -c '%Hd:%Ld' "${image}.raw")" != '?d:?d' ] ; then
 493    # Old stat didn't know the %Hd and %Ld specifiers and turned them into ?d
 494    # instead. Let's simply skip the test on such old systems.
 495    test "$(stat -c '/dev/disk/by-loop-inode/%Hd:%Ld-%i' "${image}.raw")" -ef "$LOOP"
 496 fi
 497
 498 # Detach by loopback device
 499 systemd-dissect --detach "$LOOP"
 500
 501 # Test long reference name.
 502 # Note, sizeof_field(struct loop_info64, lo_file_name) == 64,
 503 # and --loop-ref accepts upto 63 characters, and udev creates symlink
 504 # based on the name when it has upto _62_ characters.
 505 name="$(for _ in {1..62}; do echo -n 'x'; done)"
 506 LOOP="$(systemd-dissect --attach --loop-ref="$name" "${image}.raw")"
 507 udevadm trigger -w "$LOOP"
 508
 509 # Check if the /dev/disk/by-loop-ref/$name symlink really references the right device
 510 test "/dev/disk/by-loop-ref/$name" -ef "$LOOP"
 511
 512 # Detach by the /dev/disk/by-loop-ref symlink
 513 systemd-dissect --detach "/dev/disk/by-loop-ref/$name"
 514
 515 name="$(for _ in {1..63}; do echo -n 'x'; done)"
 516 LOOP="$(systemd-dissect --attach --loop-ref="$name" "${image}.raw")"
 517 udevadm trigger -w "$LOOP"
 518
 519 # Check if the /dev/disk/by-loop-ref/$name symlink does not exist
 520 test ! -e "/dev/disk/by-loop-ref/$name"
 521
 522 # Detach by backing inode
 523 systemd-dissect --detach "${image}.raw"
 524 (! systemd-dissect --detach "${image}.raw")
 525
 526 # check for confext functionality
 527 mkdir -p /run/confexts/test/etc/extension-release.d
 528 echo "ID=_any" >/run/confexts/test/etc/extension-release.d/extension-release.test
 529 echo "ARCHITECTURE=_any" >>/run/confexts/test/etc/extension-release.d/extension-release.test
 530 echo "MARKER_CONFEXT_123" >/run/confexts/test/etc/testfile
 531 cat <<EOF >/run/confexts/test/etc/testscript
 532 #!/bin/bash
 533 echo "This should not happen"
 534 EOF
 535 chmod +x /run/confexts/test/etc/testscript
 536 systemd-confext merge
 537 grep -q -F "MARKER_CONFEXT_123" /etc/testfile
 538 (! /etc/testscript)
 539 systemd-confext status
 540 systemd-confext unmerge
 541 rm -rf /run/confexts/
 542
 543 unsquashfs -no-xattrs -d /tmp/img "${image}.raw"
 544 systemd-run --unit=test-root-ephemeral \
 545     -p RootDirectory=/tmp/img \
 546     -p RootEphemeral=yes \
 547     -p Type=exec \
 548     bash -c "touch /abc && sleep infinity"
 549 test -n "$(ls -A /var/lib/systemd/ephemeral-trees)"
 550 systemctl stop test-root-ephemeral
 551 # shellcheck disable=SC2016
 552 timeout 10 bash -c 'until test -z "$(ls -A /var/lib/systemd/ephemeral-trees)"; do sleep .5; done'
 553 test ! -f /tmp/img/abc
 554
 555 systemd-dissect --mtree /tmp/img
 556 systemd-dissect --list /tmp/img
 557
 558 read -r SHA256SUM1 _ < <(systemd-dissect --copy-from /tmp/img etc/os-release | sha256sum)
 559 test "$SHA256SUM1" != ""
 560
 561 echo abc > abc
 562 systemd-dissect --copy-to /tmp/img abc /abc
 563 test -f /tmp/img/abc
 564
 565 # Test for dissect tool support with systemd-sysext
 566 mkdir -p /run/extensions/ testkit/usr/lib/extension-release.d/
 567 echo "ID=_any" >testkit/usr/lib/extension-release.d/extension-release.testkit
 568 echo "ARCHITECTURE=_any" >>testkit/usr/lib/extension-release.d/extension-release.testkit
 569 echo "MARKER_SYSEXT_123" >testkit/usr/lib/testfile
 570 mksquashfs testkit/ testkit.raw
 571 cp testkit.raw /run/extensions/
 572 unsquashfs -l /run/extensions/testkit.raw
 573 systemd-dissect --no-pager /run/extensions/testkit.raw | grep -q '✓ sysext extension for portable service'
 574 systemd-dissect --no-pager /run/extensions/testkit.raw | grep -q '✓ sysext extension for system'
 575 systemd-sysext merge
 576 systemd-sysext status
 577 grep -q -F "MARKER_SYSEXT_123" /usr/lib/testfile
 578 systemd-sysext unmerge
 579 rm -rf /run/extensions/ testkit/
 580
 581 # Test for dissect tool support with systemd-confext
 582 mkdir -p /run/confexts/ testjob/etc/extension-release.d/
 583 echo "ID=_any" >testjob/etc/extension-release.d/extension-release.testjob
 584 echo "ARCHITECTURE=_any" >>testjob/etc/extension-release.d/extension-release.testjob
 585 echo "MARKER_CONFEXT_123" >testjob/etc/testfile
 586 mksquashfs testjob/ testjob.raw
 587 cp testjob.raw /run/confexts/
 588 unsquashfs -l /run/confexts/testjob.raw
 589 systemd-dissect --no-pager /run/confexts/testjob.raw | grep -q '✓ confext extension for system'
 590 systemd-dissect --no-pager /run/confexts/testjob.raw | grep -q '✓ confext extension for portable service'
 591 systemd-confext merge
 592 systemd-confext status
 593 grep -q -F "MARKER_CONFEXT_123" /etc/testfile
 594 systemd-confext unmerge
 595 rm -rf /run/confexts/ testjob/
 596
 597 systemd-run -P -p RootImage="${image}.raw" cat /run/host/os-release | cmp "${os_release}"
 598
 599 # Test that systemd-sysext reloads the daemon.
 600 mkdir -p /var/lib/extensions/
 601 ln -s /usr/share/app-reload.raw /var/lib/extensions/app-reload.raw
 602 systemd-sysext merge --no-reload
 603 # the service should not be running
 604 if systemctl --quiet is-active foo.service; then
 605     echo "foo.service should not be active"
 606     exit 1
 607 fi
 608 systemd-sysext unmerge --no-reload
 609 systemd-sysext merge
 610 for RETRY in $(seq 60) LAST; do
 611   if journalctl --boot --unit foo.service | grep -q -P 'echo\[[0-9]+\]: foo'; then
 612     break
 613   fi
 614   if [ "${RETRY}" = LAST ]; then
 615     echo "Output of foo.service not found"
 616     exit 1
 617   fi
 618   sleep 0.5
 619 done
 620 systemd-sysext unmerge --no-reload
 621 # Grep on the Warning to find the warning helper mentioning the daemon reload.
 622 systemctl status foo.service 2>&1 | grep -q -F "Warning"
 623 systemd-sysext merge
 624 systemd-sysext unmerge
 625 systemctl status foo.service 2>&1 | grep -v -q -F "Warning"
 626
 627 touch /testok