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 # shellcheck disable=SC2233,SC2235
   6 set -eux
   7 set -o pipefail
   8
   9 export SYSTEMD_LOG_LEVEL=debug
  10
  11 # shellcheck disable=SC2317
  12 cleanup() {(
  13     set +ex
  14
  15     if [ -z "${image_dir}" ]; then
  16         return
  17     fi
  18     umount "${image_dir}/app0"
  19     umount "${image_dir}/app1"
  20     umount "${image_dir}/app-nodistro"
  21     umount "${image_dir}/service-scoped-test"
  22     rm -rf "${image_dir}"
  23 )}
  24
  25 udevadm control --log-level=debug
  26
  27 cd /tmp
  28
  29 image_dir="$(mktemp -d -t -p /tmp tmp.XXXXXX)"
  30 if [ -z "${image_dir}" ] || [ ! -d "${image_dir}" ]; then
  31     echo "mktemp under /tmp failed"
  32     exit 1
  33 fi
  34
  35 trap cleanup EXIT
  36
  37 cp /usr/share/minimal* "${image_dir}/"
  38 image="${image_dir}/minimal_0"
  39 roothash="$(cat "${image}.roothash")"
  40
  41 os_release="$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)"
  42
  43 systemd-dissect --json=short "${image}.raw" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  44 systemd-dissect "${image}.raw" | grep -q -F "MARKER=1"
  45 systemd-dissect "${image}.raw" | grep -q -F -f <(sed 's/"//g' "$os_release")
  46
  47 systemd-dissect --list "${image}.raw" | grep -q '^etc/os-release$'
  48 systemd-dissect --mtree "${image}.raw" --mtree-hash yes | grep -qe "^./usr/bin/cat type=file mode=0755 uid=0 gid=0 size=[0-9]* sha256sum=[a-z0-9]*$"
  49 systemd-dissect --mtree "${image}.raw" --mtree-hash no  | grep -qe "^./usr/bin/cat type=file mode=0755 uid=0 gid=0 size=[0-9]*$"
  50
  51 read -r SHA256SUM1 _ < <(systemd-dissect --copy-from "${image}.raw" etc/os-release | sha256sum)
  52 test "$SHA256SUM1" != ""
  53 read -r SHA256SUM2 _ < <(systemd-dissect --read-only --with "${image}.raw" sha256sum etc/os-release)
  54 test "$SHA256SUM2" != ""
  55 test "$SHA256SUM1" = "$SHA256SUM2"
  56
  57 mv "${image}.verity" "${image}.fooverity"
  58 mv "${image}.roothash" "${image}.foohash"
  59 systemd-dissect --json=short "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  60 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F "MARKER=1"
  61 systemd-dissect "${image}.raw" --root-hash="${roothash}" --verity-data="${image}.fooverity" | grep -q -F -f <(sed 's/"//g' "$os_release")
  62 mv "${image}.fooverity" "${image}.verity"
  63 mv "${image}.foohash" "${image}.roothash"
  64
  65 mkdir -p "${image_dir}/mount" "${image_dir}/mount2"
  66 systemd-dissect --mount "${image}.raw" "${image_dir}/mount"
  67 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
  68 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
  69 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
  70 # Verity volume should be shared (opened only once)
  71 systemd-dissect --mount "${image}.raw" "${image_dir}/mount2"
  72 verity_count=$(find /dev/mapper/ -name "*verity*" | wc -l)
  73 # In theory we should check that count is exactly one. In practice, libdevmapper
  74 # randomly and unpredictably fails with an unhelpful EINVAL when a device is open
  75 # (and even mounted and in use), so best-effort is the most we can do for now
  76 if [ "${verity_count}" -lt 1 ]; then
  77     echo "Verity device ${image}.raw not found in /dev/mapper/"
  78     exit 1
  79 fi
  80 systemd-dissect --umount "${image_dir}/mount"
  81 systemd-dissect --umount "${image_dir}/mount2"
  82
  83 systemd-run -P -p RootImage="${image}.raw" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  84 mv "${image}.verity" "${image}.fooverity"
  85 mv "${image}.roothash" "${image}.foohash"
  86 systemd-run -P -p RootImage="${image}.raw" -p RootHash="${image}.foohash" -p RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  87 # Let's use the long option name just here as a test
  88 systemd-run -P --property RootImage="${image}.raw" --property RootHash="${roothash}" --property RootVerity="${image}.fooverity" cat /usr/lib/os-release | grep -q -F "MARKER=1"
  89 mv "${image}.fooverity" "${image}.verity"
  90 mv "${image}.foohash" "${image}.roothash"
  91
  92 # Make a GPT disk on the fly, with the squashfs as partition 1 and the verity hash tree as partition 2
  93 machine="$(uname -m)"
  94 if [ "${machine}" = "x86_64" ]; then
  95     root_guid=4f68bce3-e8cd-4db1-96e7-fbcaf984b709
  96     verity_guid=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5
  97     signature_guid=41092b05-9fc8-4523-994f-2def0408b176
  98     architecture="x86-64"
  99 elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then
 100     root_guid=44479540-f297-41b2-9af7-d131d5f0458a
 101     verity_guid=d13c5d3b-b5d1-422a-b29f-9454fdc89d76
 102     signature_guid=5996fc05-109c-48de-808b-23fa0830b676
 103     architecture="x86"
 104 elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then
 105     root_guid=b921b045-1df0-41c3-af44-4c6f280d3fae
 106     verity_guid=df3300ce-d69f-4c92-978c-9bfb0f38d820
 107     signature_guid=6db69de6-29f4-4758-a7a5-962190f00ce3
 108     architecture="arm64"
 109 elif [ "${machine}" = "arm" ]; then
 110     root_guid=69dad710-2ce4-4e3c-b16c-21a1d49abed3
 111     verity_guid=7386cdf2-203c-47a9-a498-f2ecce45a2d6
 112     signature_guid=42b0455f-eb11-491d-98d3-56145ba9d037
 113     architecture="arm"
 114 elif [ "${machine}" = "loongarch64" ]; then
 115     root_guid=77055800-792c-4f94-b39a-98c91b762bb6
 116     verity_guid=f3393b22-e9af-4613-a948-9d3bfbd0c535
 117     signature_guid=5afb67eb-ecc8-4f85-ae8e-ac1e7c50e7d0
 118     architecture="loongarch64"
 119 elif [ "${machine}" = "ia64" ]; then
 120     root_guid=993d8d3d-f80e-4225-855a-9daf8ed7ea97
 121     verity_guid=86ed10d5-b607-45bb-8957-d350f23d0571
 122     signature_guid=e98b36ee-32ba-4882-9b12-0ce14655f46a
 123     architecture="ia64"
 124 elif [ "${machine}" = "s390x" ]; then
 125     root_guid=5eead9a9-fe09-4a1e-a1d7-520d00531306
 126     verity_guid=b325bfbe-c7be-4ab8-8357-139e652d2f6b
 127     signature_guid=c80187a5-73a3-491a-901a-017c3fa953e9
 128     architecture="s390x"
 129 elif [ "${machine}" = "ppc64le" ]; then
 130     root_guid=c31c45e6-3f39-412e-80fb-4809c4980599
 131     verity_guid=906bd944-4589-4aae-a4e4-dd983917446a
 132     signature_guid=d4a236e7-e873-4c07-bf1d-bf6cf7f1c3c6
 133     architecture="ppc64-le"
 134 else
 135     echo "Unexpected uname -m: ${machine} in testsuite-50.sh, please fix me"
 136     exit 1
 137 fi
 138 # du rounds up to block size, which is more helpful for partitioning
 139 root_size="$(du -k "${image}.raw" | cut -f1)"
 140 verity_size="$(du -k "${image}.verity" | cut -f1)"
 141 signature_size=4
 142 # 4MB seems to be the minimum size blkid will accept, below that probing fails
 143 dd if=/dev/zero of="${image}.gpt" bs=512 count=$((8192+root_size*2+verity_size*2+signature_size*2))
 144 # sfdisk seems unhappy if the size overflows into the next unit, eg: 1580KiB will be interpreted as 1MiB
 145 # so do some basic rounding up if the minimal image is more than 1 MB
 146 if [ "${root_size}" -ge 1024 ]; then
 147     root_size="$((root_size/1024 + 1))MiB"
 148 else
 149     root_size="${root_size}KiB"
 150 fi
 151 verity_size="$((verity_size * 2))KiB"
 152 signature_size="$((signature_size * 2))KiB"
 153
 154 HAVE_OPENSSL=0
 155 if systemctl --version | grep -q -- +OPENSSL ; then
 156     # The openssl binary is installed conditionally.
 157     # If we have OpenSSL support enabled and openssl is missing, fail early
 158     # with a proper error message.
 159     if ! command -v openssl >/dev/null 2>&1; then
 160         echo "openssl missing" >/failed
 161         exit 1
 162     fi
 163
 164     HAVE_OPENSSL=1
 165     OPENSSL_CONFIG="$(mktemp)"
 166     # Unfortunately OpenSSL insists on reading some config file, hence provide one with mostly placeholder contents
 167     cat >"${OPENSSL_CONFIG:?}" <<EOF
 168 [ req ]
 169 prompt = no
 170 distinguished_name = req_distinguished_name
 171
 172 [ req_distinguished_name ]
 173 C = DE
 174 ST = Test State
 175 L = Test Locality
 176 O = Org Name
 177 OU = Org Unit Name
 178 CN = Common Name
 179 emailAddress = test@email.com
 180 EOF
 181
 182     # Create key pair
 183     openssl req -config "$OPENSSL_CONFIG" -new -x509 -newkey rsa:1024 -keyout "${image}.key" -out "${image}.crt" -days 365 -nodes
 184     # Sign Verity root hash with it
 185     openssl smime -sign -nocerts -noattr -binary -in "${image}.roothash" -inkey "${image}.key" -signer "${image}.crt" -outform der -out "${image}.roothash.p7s"
 186     # Generate signature partition JSON data
 187     echo '{"rootHash":"'"${roothash}"'","signature":"'"$(base64 -w 0 <"${image}.roothash.p7s")"'"}' >"${image}.verity-sig"
 188     # Pad it
 189     truncate -s "${signature_size}" "${image}.verity-sig"
 190     # Register certificate in the (userspace) verity key ring
 191     mkdir -p /run/verity.d
 192     ln -s "${image}.crt" /run/verity.d/ok.crt
 193 fi
 194
 195 # Construct a UUID from hash
 196 # input:  11111111222233334444555566667777
 197 # output: 11111111-2222-3333-4444-555566667777
 198 uuid="$(head -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 199 echo -e "label: gpt\nsize=${root_size}, type=${root_guid}, uuid=${uuid}" | sfdisk "${image}.gpt"
 200 uuid="$(tail -c 32 "${image}.roothash" | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.+)/\1-\2-\3-\4-\5/')"
 201 echo -e "size=${verity_size}, type=${verity_guid}, uuid=${uuid}" | sfdisk "${image}.gpt" --append
 202 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 203     echo -e "size=${signature_size}, type=${signature_guid}" | sfdisk "${image}.gpt" --append
 204 fi
 205 sfdisk --part-label "${image}.gpt" 1 "Root Partition"
 206 sfdisk --part-label "${image}.gpt" 2 "Verity Partition"
 207 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 208     sfdisk --part-label "${image}.gpt" 3 "Signature Partition"
 209 fi
 210 loop="$(losetup --show -P -f "${image}.gpt")"
 211 partitions=(
 212     "${loop:?}p1"
 213     "${loop:?}p2"
 214 )
 215 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 216     partitions+=( "${loop:?}p3" )
 217 fi
 218 # The kernel sometimes(?) does not emit "add" uevent for loop block partition devices.
 219 # Let's not expect the devices to be initialized.
 220 udevadm wait --timeout 60 --settle --initialized=no "${partitions[@]}"
 221 udevadm lock --device="${loop}p1" dd if="${image}.raw" of="${loop}p1"
 222 udevadm lock --device="${loop}p2" dd if="${image}.verity" of="${loop}p2"
 223 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 224     udevadm lock --device="${loop}p3" dd if="${image}.verity-sig" of="${loop}p3"
 225 fi
 226 losetup -d "${loop}"
 227
 228 # Derive partition UUIDs from root hash, in UUID syntax
 229 ROOT_UUID="$(systemd-id128 -u show "$(head -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 230 VERITY_UUID="$(systemd-id128 -u show "$(tail -c 32 "${image}.roothash")" -u | tail -n 1 | cut -b 6-)"
 231
 232 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",'
 233 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,'
 234 if [ "${HAVE_OPENSSL}" -eq 1 ]; then
 235     systemd-dissect --json=short --root-hash "${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,'
 236 fi
 237 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F "MARKER=1"
 238 systemd-dissect --root-hash "${roothash}" "${image}.gpt" | grep -q -F -f <(sed 's/"//g' "$os_release")
 239
 240 # Test image policies
 241 systemd-dissect --validate "${image}.gpt"
 242 systemd-dissect --validate "${image}.gpt" --image-policy='*'
 243 (! systemd-dissect --validate "${image}.gpt" --image-policy='~')
 244 (! systemd-dissect --validate "${image}.gpt" --image-policy='-')
 245 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=absent)
 246 (! systemd-dissect --validate "${image}.gpt" --image-policy=swap=unprotected+encrypted+verity)
 247 systemd-dissect --validate "${image}.gpt" --image-policy=root=unprotected
 248 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity
 249 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:root-verity-sig=unused+absent
 250 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:swap=absent
 251 systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:swap=absent+unprotected
 252 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=verity:root-verity=unused+absent)
 253 systemd-dissect --validate "${image}.gpt" --image-policy=root=signed
 254 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=signed:root-verity-sig=unused+absent)
 255 (! systemd-dissect --validate "${image}.gpt" --image-policy=root=signed:root-verity=unused+absent)
 256
 257 # Test RootImagePolicy= unit file setting
 258 systemd-run --wait -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -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='*' -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='~' -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='-' -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=absent' -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1")
 263 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"
 264 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"
 265 (! 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")
 266
 267 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" "${image_dir}/mount"
 268 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 269 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 270 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 271 systemd-dissect --umount "${image_dir}/mount"
 272
 273 systemd-dissect --root-hash "${roothash}" --mount "${image}.gpt" --in-memory "${image_dir}/mount"
 274 grep -q -F -f "$os_release" "${image_dir}/mount/usr/lib/os-release"
 275 grep -q -F -f "$os_release" "${image_dir}/mount/etc/os-release"
 276 grep -q -F "MARKER=1" "${image_dir}/mount/usr/lib/os-release"
 277 systemd-dissect --umount "${image_dir}/mount"
 278
 279 # add explicit -p MountAPIVFS=yes once to test the parser
 280 systemd-run -P -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 281
 282 systemd-run -P -p RootImage="${image}.raw" -p RootImageOptions="root:nosuid,dev home:ro,dev ro,noatime" mount | grep -F "squashfs" | grep -q -F "nosuid"
 283 systemd-run -P -p RootImage="${image}.gpt" -p RootImageOptions="root:ro,noatime root:ro,dev" mount | grep -F "squashfs" | grep -q -F "noatime"
 284
 285 mkdir -p "${image_dir}/result"
 286 cat >/run/systemd/system/testservice-50a.service <<EOF
 287 [Service]
 288 Type=oneshot
 289 ExecStart=bash -c "mount >/run/result/a"
 290 BindPaths=${image_dir}/result:/run/result
 291 TemporaryFileSystem=/run
 292 RootImage=${image}.raw
 293 RootImageOptions=root:ro,noatime home:ro,dev relatime,dev
 294 RootImageOptions=nosuid,dev
 295 EOF
 296 systemctl start testservice-50a.service
 297 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F "noatime"
 298 grep -F "squashfs" "${image_dir}/result/a" | grep -q -F -v "nosuid"
 299
 300 cat >/run/systemd/system/testservice-50b.service <<EOF
 301 [Service]
 302 Type=oneshot
 303 ExecStart=bash -c "mount >/run/result/b"
 304 BindPaths=${image_dir}/result:/run/result
 305 TemporaryFileSystem=/run
 306 RootImage=${image}.gpt
 307 RootImageOptions=root:ro,noatime,nosuid home:ro,dev nosuid,dev
 308 RootImageOptions=home:ro,dev nosuid,dev,%%foo
 309 # this is the default, but let's specify once to test the parser
 310 MountAPIVFS=yes
 311 EOF
 312 systemctl start testservice-50b.service
 313 grep -F "squashfs" "${image_dir}/result/b" | grep -q -F "noatime"
 314
 315 # Check that specifier escape is applied %%foo → %foo
 316 busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1/unit/testservice_2d50b_2eservice org.freedesktop.systemd1.Service RootImageOptions | grep -F "nosuid,dev,%foo"
 317
 318 # Now do some checks with MountImages, both by itself, with options and in combination with RootImage, and as single FS or GPT image
 319 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 320 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 321 systemd-run -P -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2:nosuid,dev" mount | grep -F "squashfs" | grep -q -F "nosuid"
 322 systemd-run -P -p MountImages="${image}.gpt:/run/img1:root:nosuid ${image}.raw:/run/img2:home:suid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 323 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3" cat /run/img2:3/usr/lib/os-release | grep -q -F "MARKER=1"
 324 systemd-run -P -p MountImages="${image}.raw:/run/img2\:3:nosuid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 325 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 326 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.raw" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 327 systemd-run -P -p TemporaryFileSystem=/run -p RootImage="${image}.gpt" -p RootHash="${roothash}" -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 328 cat >/run/systemd/system/testservice-50c.service <<EOF
 329 [Service]
 330 MountAPIVFS=yes
 331 TemporaryFileSystem=/run
 332 RootImage=${image}.raw
 333 MountImages=${image}.gpt:/run/img1:root:noatime:home:relatime
 334 MountImages=${image}.raw:/run/img2\:3:nosuid
 335 ExecStart=bash -c "cat /run/img1/usr/lib/os-release >/run/result/c"
 336 ExecStart=bash -c "cat /run/img2:3/usr/lib/os-release >>/run/result/c"
 337 ExecStart=bash -c "mount >>/run/result/c"
 338 BindPaths=${image_dir}/result:/run/result
 339 Type=oneshot
 340 EOF
 341 systemctl start testservice-50c.service
 342 grep -q -F "MARKER=1" "${image_dir}/result/c"
 343 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F "noatime"
 344 grep -F "squashfs" "${image_dir}/result/c" | grep -q -F -v "nosuid"
 345
 346 # Adding a new mounts at runtime works if the unit is in the active state,
 347 # so use Type=notify to make sure there's no race condition in the test
 348 cat >/run/systemd/system/testservice-50d.service <<EOF
 349 [Service]
 350 RuntimeMaxSec=300
 351 Type=notify
 352 RemainAfterExit=yes
 353 MountAPIVFS=yes
 354 PrivateTmp=yes
 355 ExecStart=/bin/sh -c ' \\
 356     systemd-notify --ready; \\
 357     while [ ! -f /tmp/img/usr/lib/os-release ] || ! grep -q -F MARKER /tmp/img/usr/lib/os-release; do \\
 358         sleep 0.1; \\
 359     done; \\
 360     mount; \\
 361     mount | grep -F "on /tmp/img type squashfs" | grep -q -F "nosuid"; \\
 362 '
 363 EOF
 364 systemctl start testservice-50d.service
 365
 366 # Mount twice to exercise mount-beneath (on kernel 6.5+, on older kernels it will just overmount)
 367 mkdir -p /tmp/wrong/foo
 368 mksquashfs /tmp/wrong/foo /tmp/wrong.raw
 369 systemctl mount-image --mkdir testservice-50d.service /tmp/wrong.raw /tmp/img
 370 test "$(systemctl show -P SubState testservice-50d.service)" = "running"
 371 systemctl mount-image --mkdir testservice-50d.service "${image}.raw" /tmp/img root:nosuid
 372
 373 while systemctl show -P SubState testservice-50d.service | grep -q running
 374 do
 375     sleep 0.1
 376 done
 377
 378 systemctl is-active testservice-50d.service
 379
 380 # ExtensionImages will set up an overlay
 381 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 382 systemd-run -P --property ExtensionImages=/usr/share/app0.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 383 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 384 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 385 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /opt/script1.sh | grep -q -F "extension-release.app2"
 386 systemd-run -P --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 387 systemd-run -P --property ExtensionImages=/usr/share/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 388 systemd-run -P --property ExtensionImages=/etc/service-scoped-test.raw --property RootImage="${image}.raw" cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 389 # Check that using a symlink to NAME-VERSION.raw works as long as the symlink has the correct name NAME.raw
 390 mkdir -p /usr/share/symlink-test/
 391 cp /usr/share/app-nodistro.raw /usr/share/symlink-test/app-nodistro-v1.raw
 392 ln -fs /usr/share/symlink-test/app-nodistro-v1.raw /usr/share/symlink-test/app-nodistro.raw
 393 systemd-run -P --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 394
 395 # Symlink check again but for confext
 396 mkdir -p /etc/symlink-test/
 397 cp /etc/service-scoped-test.raw /etc/symlink-test/service-scoped-test-v1.raw
 398 ln -fs /etc/symlink-test/service-scoped-test-v1.raw /etc/symlink-test/service-scoped-test.raw
 399 systemd-run -P --property ExtensionImages=/etc/symlink-test/service-scoped-test.raw --property RootImage="${image}.raw" cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 400
 401 cat >/run/systemd/system/testservice-50e.service <<EOF
 402 [Service]
 403 MountAPIVFS=yes
 404 TemporaryFileSystem=/run /var/lib
 405 StateDirectory=app0
 406 RootImage=${image}.raw
 407 ExtensionImages=/usr/share/app0.raw /usr/share/app1.raw:nosuid
 408 # Relevant only for sanitizer runs
 409 UnsetEnvironment=LD_PRELOAD
 410 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 411 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 412 Type=oneshot
 413 RemainAfterExit=yes
 414 EOF
 415 systemctl start testservice-50e.service
 416 systemctl is-active testservice-50e.service
 417
 418 # ExtensionDirectories will set up an overlay
 419 mkdir -p "${image_dir}/app0" "${image_dir}/app1" "${image_dir}/app-nodistro" "${image_dir}/service-scoped-test"
 420 (! systemd-run -P --property ExtensionDirectories="${image_dir}/nonexistent" --property RootImage="${image}.raw" cat /opt/script0.sh)
 421 (! systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh)
 422 systemd-dissect --mount /usr/share/app0.raw "${image_dir}/app0"
 423 systemd-dissect --mount /usr/share/app1.raw "${image_dir}/app1"
 424 systemd-dissect --mount /usr/share/app-nodistro.raw "${image_dir}/app-nodistro"
 425 systemd-dissect --mount /etc/service-scoped-test.raw "${image_dir}/service-scoped-test"
 426 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 427 systemd-run -P --property ExtensionDirectories="${image_dir}/app0" --property RootImage="${image}.raw" cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 428 systemd-run -P --property ExtensionDirectories="${image_dir}/app0 ${image_dir}/app1" --property RootImage="${image}.raw" cat /opt/script0.sh | grep -q -F "extension-release.app0"
 429 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"
 430 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"
 431 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"
 432 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"
 433 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"
 434 cat >/run/systemd/system/testservice-50f.service <<EOF
 435 [Service]
 436 MountAPIVFS=yes
 437 TemporaryFileSystem=/run /var/lib
 438 StateDirectory=app0
 439 RootImage=${image}.raw
 440 ExtensionDirectories=${image_dir}/app0 ${image_dir}/app1
 441 # Relevant only for sanitizer runs
 442 UnsetEnvironment=LD_PRELOAD
 443 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 444 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 445 Type=oneshot
 446 RemainAfterExit=yes
 447 EOF
 448 systemctl start testservice-50f.service
 449 systemctl is-active testservice-50f.service
 450 systemd-dissect --umount "${image_dir}/app0"
 451 systemd-dissect --umount "${image_dir}/app1"
 452
 453 # Test that an extension consisting of an empty directory under /etc/extensions/ takes precedence
 454 mkdir -p /var/lib/extensions/
 455 ln -s /usr/share/app-nodistro.raw /var/lib/extensions/app-nodistro.raw
 456 systemd-sysext merge
 457 grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file
 458 systemd-sysext unmerge
 459 mkdir -p /etc/extensions/app-nodistro
 460 systemd-sysext merge
 461 test ! -e /usr/lib/systemd/system/some_file
 462 systemd-sysext unmerge
 463 rmdir /etc/extensions/app-nodistro
 464
 465 # Similar, but go via varlink
 466 varlinkctl call /run/systemd/io.systemd.sysext io.systemd.sysext.List '{}'
 467 (! grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file )
 468 varlinkctl call /run/systemd/io.systemd.sysext io.systemd.sysext.Merge '{}'
 469 grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file
 470 varlinkctl call /run/systemd/io.systemd.sysext io.systemd.sysext.Refresh '{}'
 471 grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file
 472 varlinkctl call /run/systemd/io.systemd.sysext io.systemd.sysext.Unmerge '{}'
 473 (! grep -q -F "MARKER=1" /usr/lib/systemd/system/some_file )
 474
 475 # Check that extensions cannot contain os-release
 476 mkdir -p /run/extensions/app-reject/usr/lib/{extension-release.d/,systemd/system}
 477 echo "ID=_any" >/run/extensions/app-reject/usr/lib/extension-release.d/extension-release.app-reject
 478 echo "ID=_any" >/run/extensions/app-reject/usr/lib/os-release
 479 touch /run/extensions/app-reject/usr/lib/systemd/system/other_file
 480 (! systemd-sysext merge)
 481 test ! -e /usr/lib/systemd/system/some_file
 482 test ! -e /usr/lib/systemd/system/other_file
 483 systemd-sysext unmerge
 484 rm -rf /run/extensions/app-reject
 485 rm /var/lib/extensions/app-nodistro.raw
 486
 487 mkdir -p /run/machines /run/portables /run/extensions
 488 touch /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 489
 490 systemd-dissect --discover --json=short >/tmp/discover.json
 491 grep -q -F '{"name":"a","type":"raw","class":"machine","ro":false,"path":"/run/machines/a.raw"' /tmp/discover.json
 492 grep -q -F '{"name":"b","type":"raw","class":"portable","ro":false,"path":"/run/portables/b.raw"' /tmp/discover.json
 493 grep -q -F '{"name":"c","type":"raw","class":"sysext","ro":false,"path":"/run/extensions/c.raw"' /tmp/discover.json
 494 rm /tmp/discover.json /run/machines/a.raw /run/portables/b.raw /run/extensions/c.raw
 495
 496 # Check that the /sbin/mount.ddi helper works
 497 T="/tmp/mounthelper.$RANDOM"
 498 mount -t ddi "${image}.gpt" "$T" -o ro,X-mount.mkdir,discard
 499 umount -R "$T"
 500 rmdir "$T"
 501
 502 LOOP="$(systemd-dissect --attach --loop-ref=waldo "${image}.raw")"
 503
 504 # Wait until the symlinks we want to test are established
 505 udevadm trigger -w "$LOOP"
 506
 507 # Check if the /dev/loop/* symlinks really reference the right device
 508 test /dev/disk/by-loop-ref/waldo -ef "$LOOP"
 509
 510 if [ "$(stat -c '%Hd:%Ld' "${image}.raw")" != '?d:?d' ] ; then
 511    # Old stat didn't know the %Hd and %Ld specifiers and turned them into ?d
 512    # instead. Let's simply skip the test on such old systems.
 513    test "$(stat -c '/dev/disk/by-loop-inode/%Hd:%Ld-%i' "${image}.raw")" -ef "$LOOP"
 514 fi
 515
 516 # Detach by loopback device
 517 systemd-dissect --detach "$LOOP"
 518
 519 # Test long reference name.
 520 # Note, sizeof_field(struct loop_info64, lo_file_name) == 64,
 521 # and --loop-ref accepts upto 63 characters, and udev creates symlink
 522 # based on the name when it has upto _62_ characters.
 523 name="$(for _ in {1..62}; do echo -n 'x'; done)"
 524 LOOP="$(systemd-dissect --attach --loop-ref="$name" "${image}.raw")"
 525 udevadm trigger -w "$LOOP"
 526
 527 # Check if the /dev/disk/by-loop-ref/$name symlink really references the right device
 528 test "/dev/disk/by-loop-ref/$name" -ef "$LOOP"
 529
 530 # Detach by the /dev/disk/by-loop-ref symlink
 531 systemd-dissect --detach "/dev/disk/by-loop-ref/$name"
 532
 533 name="$(for _ in {1..63}; do echo -n 'x'; done)"
 534 LOOP="$(systemd-dissect --attach --loop-ref="$name" "${image}.raw")"
 535 udevadm trigger -w "$LOOP"
 536
 537 # Check if the /dev/disk/by-loop-ref/$name symlink does not exist
 538 test ! -e "/dev/disk/by-loop-ref/$name"
 539
 540 # Detach by backing inode
 541 systemd-dissect --detach "${image}.raw"
 542 (! systemd-dissect --detach "${image}.raw")
 543
 544 # check for confext functionality
 545 mkdir -p /run/confexts/test/etc/extension-release.d
 546 echo "ID=_any" >/run/confexts/test/etc/extension-release.d/extension-release.test
 547 echo "ARCHITECTURE=_any" >>/run/confexts/test/etc/extension-release.d/extension-release.test
 548 echo "MARKER_CONFEXT_123" >/run/confexts/test/etc/testfile
 549 cat <<EOF >/run/confexts/test/etc/testscript
 550 #!/bin/bash
 551 echo "This should not happen"
 552 EOF
 553 chmod +x /run/confexts/test/etc/testscript
 554 systemd-confext merge
 555 grep -q -F "MARKER_CONFEXT_123" /etc/testfile
 556 (! /etc/testscript)
 557 systemd-confext status
 558 systemd-confext unmerge
 559 rm -rf /run/confexts/
 560
 561 unsquashfs -no-xattrs -d /tmp/img "${image}.raw"
 562 systemd-run --unit=test-root-ephemeral \
 563     -p RootDirectory=/tmp/img \
 564     -p RootEphemeral=yes \
 565     -p Type=exec \
 566     bash -c "touch /abc && sleep infinity"
 567 test -n "$(ls -A /var/lib/systemd/ephemeral-trees)"
 568 systemctl stop test-root-ephemeral
 569 # shellcheck disable=SC2016
 570 timeout 10 bash -c 'until test -z "$(ls -A /var/lib/systemd/ephemeral-trees)"; do sleep .5; done'
 571 test ! -f /tmp/img/abc
 572
 573 systemd-dissect --mtree /tmp/img
 574 systemd-dissect --list /tmp/img
 575
 576 read -r SHA256SUM1 _ < <(systemd-dissect --copy-from /tmp/img etc/os-release | sha256sum)
 577 test "$SHA256SUM1" != ""
 578
 579 echo abc > abc
 580 systemd-dissect --copy-to /tmp/img abc /abc
 581 test -f /tmp/img/abc
 582
 583 # Test for dissect tool support with systemd-sysext
 584 mkdir -p /run/extensions/ testkit/usr/lib/extension-release.d/
 585 echo "ID=_any" >testkit/usr/lib/extension-release.d/extension-release.testkit
 586 echo "ARCHITECTURE=_any" >>testkit/usr/lib/extension-release.d/extension-release.testkit
 587 echo "MARKER_SYSEXT_123" >testkit/usr/lib/testfile
 588 mksquashfs testkit/ testkit.raw
 589 cp testkit.raw /run/extensions/
 590 unsquashfs -l /run/extensions/testkit.raw
 591 systemd-dissect --no-pager /run/extensions/testkit.raw | grep -q '✓ sysext for portable service'
 592 systemd-dissect --no-pager /run/extensions/testkit.raw | grep -q '✓ sysext for system'
 593 systemd-sysext merge
 594 systemd-sysext status
 595 grep -q -F "MARKER_SYSEXT_123" /usr/lib/testfile
 596 systemd-sysext unmerge
 597 rm -rf /run/extensions/ testkit/
 598
 599 # Test for dissect tool support with systemd-confext
 600 mkdir -p /run/confexts/ testjob/etc/extension-release.d/
 601 echo "ID=_any" >testjob/etc/extension-release.d/extension-release.testjob
 602 echo "ARCHITECTURE=_any" >>testjob/etc/extension-release.d/extension-release.testjob
 603 echo "MARKER_CONFEXT_123" >testjob/etc/testfile
 604 mksquashfs testjob/ testjob.raw
 605 cp testjob.raw /run/confexts/
 606 unsquashfs -l /run/confexts/testjob.raw
 607 systemd-dissect --no-pager /run/confexts/testjob.raw | grep -q '✓ confext for system'
 608 systemd-dissect --no-pager /run/confexts/testjob.raw | grep -q '✓ confext for portable service'
 609 systemd-confext merge
 610 systemd-confext status
 611 grep -q -F "MARKER_CONFEXT_123" /etc/testfile
 612 systemd-confext unmerge
 613 rm -rf /run/confexts/ testjob/
 614
 615 systemd-run -P -p RootImage="${image}.raw" cat /run/host/os-release | cmp "${os_release}"
 616
 617 # Test that systemd-sysext reloads the daemon.
 618 mkdir -p /var/lib/extensions/
 619 ln -s /usr/share/app-reload.raw /var/lib/extensions/app-reload.raw
 620 systemd-sysext merge --no-reload
 621 # the service should not be running
 622 if systemctl --quiet is-active foo.service; then
 623     echo "foo.service should not be active"
 624     exit 1
 625 fi
 626 systemd-sysext unmerge --no-reload
 627 systemd-sysext merge
 628 for RETRY in $(seq 60) LAST; do
 629   if journalctl --boot --unit foo.service | grep -q -P 'echo\[[0-9]+\]: foo'; then
 630     break
 631   fi
 632   if [ "${RETRY}" = LAST ]; then
 633     echo "Output of foo.service not found"
 634     exit 1
 635   fi
 636   sleep 0.5
 637 done
 638 systemd-sysext unmerge --no-reload
 639 # Grep on the Warning to find the warning helper mentioning the daemon reload.
 640 systemctl status foo.service 2>&1 | grep -q -F "Warning"
 641 systemd-sysext merge
 642 systemd-sysext unmerge
 643 systemctl status foo.service 2>&1 | grep -v -q -F "Warning"
 644
 645 # Test systemd-repart --make-ddi=:
 646 if command -v mksquashfs >/dev/null 2>&1; then
 647
 648     openssl req -config "$OPENSSL_CONFIG" -subj="/CN=waldo" -x509 -sha256 -nodes -days 365 -newkey rsa:4096 -keyout /tmp/test-50-privkey.key -out /tmp/test-50-cert.crt
 649
 650     mkdir -p /tmp/test-50-confext/etc/extension-release.d/
 651
 652     echo "foobar50" > /tmp/test-50-confext/etc/waldo
 653
 654     ( grep -e '^\(ID\|VERSION_ID\)=' /etc/os-release ; echo IMAGE_ID=waldo ; echo IMAGE_VERSION=7 ) > /tmp/test-50-confext/etc/extension-release.d/extension-release.waldo
 655
 656     mkdir -p /run/confexts
 657
 658     SYSTEMD_REPART_OVERRIDE_FSTYPE=squashfs systemd-repart -C -s /tmp/test-50-confext --certificate=/tmp/test-50-cert.crt --private-key=/tmp/test-50-privkey.key /run/confexts/waldo.confext.raw
 659     rm -rf /tmp/test-50-confext
 660
 661     mkdir -p /run/verity.d
 662     cp /tmp/test-50-cert.crt /run/verity.d/
 663     systemd-dissect --mtree /run/confexts/waldo.confext.raw
 664
 665     systemd-confext refresh
 666
 667     read -r X < /etc/waldo
 668     test "$X" = foobar50
 669
 670     rm /run/verity.d/test-50-cert.crt /run/confexts/waldo.confext.raw /tmp/test-50-cert.crt /tmp/test-50-privkey.key
 671
 672     systemd-confext refresh
 673
 674     (! test -f /tmp/test-50-confext/etc/waldo )
 675 fi
 676
 677 # Sneak in a couple of expected-to-fail invocations to cover
 678 # https://github.com/systemd/systemd/issues/29610
 679 (! systemd-run -P -p MountImages="/this/should/definitely/not/exist.img:/run/img2\:3:nosuid" false)
 680 (! systemd-run -P -p ExtensionImages="/this/should/definitely/not/exist.img" false)
 681 (! systemd-run -P -p RootImage="/this/should/definitely/not/exist.img" false)
 682 (! systemd-run -P -p ExtensionDirectories="/foo/bar /foo/baz" false)
 683
 684 touch /testok