test/units/testsuite-50.sh

   1 #!/usr/bin/env bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 set -ex
   5 set -o pipefail
   6
   7 export SYSTEMD_LOG_LEVEL=debug
   8
   9 cleanup()
  10 {
  11     if [ -z "${image_dir}" ]; then
  12         return
  13     fi
  14     rm -rf "${image_dir}"
  15 }
  16
  17 cd /tmp
  18
  19 image_dir="$(mktemp -d -t -p /tmp tmp.XXXXXX)"
  20 if [ -z "${image_dir}" ] || [ ! -d "${image_dir}" ]; then
  21     echo "mktemp under /tmp failed"
  22     exit 1
  23 fi
  24
  25 trap cleanup EXIT
  26
  27 cp /usr/share/minimal* "${image_dir}/"
  28 image="${image_dir}/minimal_0"
  29 roothash="$(cat ${image}.roothash)"
  30
  31 os_release=$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)
  32
  33 systemd-dissect --json=short ${image}.raw | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  34 systemd-dissect ${image}.raw | grep -q -F "MARKER=1"
  35 systemd-dissect ${image}.raw | grep -q -F -f $os_release
  36
  37 mv ${image}.verity ${image}.fooverity
  38 mv ${image}.roothash ${image}.foohash
  39 systemd-dissect --json=short ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"fstype":"squashfs","architecture":null,"verity":"external"'
  40 systemd-dissect ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F "MARKER=1"
  41 systemd-dissect ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F -f $os_release
  42 mv ${image}.fooverity ${image}.verity
  43 mv ${image}.foohash ${image}.roothash
  44
  45 mkdir -p ${image_dir}/mount ${image_dir}/mount2
  46 systemd-dissect --mount ${image}.raw ${image_dir}/mount
  47 cat ${image_dir}/mount/usr/lib/os-release | grep -q -F -f $os_release
  48 cat ${image_dir}/mount/etc/os-release | grep -q -F -f $os_release
  49 cat ${image_dir}/mount/usr/lib/os-release | grep -q -F "MARKER=1"
  50 # Verity volume should be shared (opened only once)
  51 systemd-dissect --mount ${image}.raw ${image_dir}/mount2
  52 verity_count=$(ls -1 /dev/mapper/ | grep -c verity)
  53 # In theory we should check that count is exactly one. In practice, libdevmapper
  54 # randomly and unpredictably fails with an unhelpful EINVAL when a device is open
  55 # (and even mounted and in use), so best-effort is the most we can do for now
  56 if [ ${verity_count} -lt 1 ]; then
  57     echo "Verity device ${image}.raw not found in /dev/mapper/"
  58     exit 1
  59 fi
  60 umount ${image_dir}/mount
  61 umount ${image_dir}/mount2
  62
  63 systemd-run -t -p RootImage=${image}.raw cat /usr/lib/os-release | grep -q -F "MARKER=1"
  64 mv ${image}.verity ${image}.fooverity
  65 mv ${image}.roothash ${image}.foohash
  66 systemd-run -t -p RootImage=${image}.raw -p RootHash=${image}.foohash -p RootVerity=${image}.fooverity cat /usr/lib/os-release | grep -q -F "MARKER=1"
  67 # Let's use the long option name just here as a test
  68 systemd-run -t --property RootImage=${image}.raw --property RootHash=${roothash} --property RootVerity=${image}.fooverity cat /usr/lib/os-release | grep -q -F "MARKER=1"
  69 mv ${image}.fooverity ${image}.verity
  70 mv ${image}.foohash ${image}.roothash
  71
  72 # Make a GPT disk on the fly, with the squashfs as partition 1 and the verity hash tree as partition 2
  73 machine="$(uname -m)"
  74 if [ "${machine}" = "x86_64" ]; then
  75     root_guid=4f68bce3-e8cd-4db1-96e7-fbcaf984b709
  76     verity_guid=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5
  77     architecture="x86-64"
  78 elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then
  79     root_guid=44479540-f297-41b2-9af7-d131d5f0458a
  80     verity_guid=d13c5d3b-b5d1-422a-b29f-9454fdc89d76
  81     architecture="x86"
  82 elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then
  83     root_guid=b921b045-1df0-41c3-af44-4c6f280d3fae
  84     verity_guid=df3300ce-d69f-4c92-978c-9bfb0f38d820
  85     architecture="arm64"
  86 elif [ "${machine}" = "arm" ]; then
  87     root_guid=69dad710-2ce4-4e3c-b16c-21a1d49abed3
  88     verity_guid=7386cdf2-203c-47a9-a498-f2ecce45a2d6
  89     architecture="arm"
  90 elif [ "${machine}" = "ia64" ]; then
  91     root_guid=993d8d3d-f80e-4225-855a-9daf8ed7ea97
  92     verity_guid=86ed10d5-b607-45bb-8957-d350f23d0571
  93     architecture="ia64"
  94 elif [ "${machine}" = "ppc64le" ]; then
  95     # There's no support of PPC in the discoverable partitions specification yet, so skip the rest for now
  96     echo OK >/testok
  97     exit 0
  98 else
  99     echo "Unexpected uname -m: ${machine} in testsuite-50.sh, please fix me"
 100     exit 1
 101 fi
 102 # du rounds up to block size, which is more helpful for partitioning
 103 root_size="$(du -k ${image}.raw | cut -f1)"
 104 verity_size="$(du -k ${image}.verity | cut -f1)"
 105 # 4MB seems to be the minimum size blkid will accept, below that probing fails
 106 dd if=/dev/zero of=${image}.gpt bs=512 count=$((8192+${root_size}*2+${verity_size}*2))
 107 # sfdisk seems unhappy if the size overflows into the next unit, eg: 1580KiB will be interpreted as 1MiB
 108 # so do some basic rounding up if the minimal image is more than 1 MB
 109 if [ ${root_size} -ge 1024 ]; then
 110     root_size="$((${root_size}/1024 + 1))MiB"
 111 else
 112     root_size="${root_size}KiB"
 113 fi
 114 verity_size="$((${verity_size} * 2))KiB"
 115 uuid="$(head -c 32 ${image}.roothash | cut -c -8)-$(head -c 32 ${image}.roothash | cut -c 9-12)-$(head -c 32 ${image}.roothash | cut -c 13-16)-$(head -c 32 ${image}.roothash | cut -c 17-20)-$(head -c 32 ${image}.roothash | cut -c 21-)"
 116 echo -e "label: gpt\nsize=${root_size}, type=${root_guid}, uuid=${uuid}" | sfdisk ${image}.gpt
 117 uuid="$(tail -c 32 ${image}.roothash | cut -c -8)-$(tail -c 32 ${image}.roothash | cut -c 9-12)-$(tail -c 32 ${image}.roothash | cut -c 13-16)-$(tail -c 32 ${image}.roothash | cut -c 17-20)-$(tail -c 32 ${image}.roothash | cut -c 21-)"
 118 echo -e "size=${verity_size}, type=${verity_guid}, uuid=${uuid}" | sfdisk ${image}.gpt --append
 119 sfdisk --part-label ${image}.gpt 1 "Root Partition"
 120 sfdisk --part-label ${image}.gpt 2 "Verity Partition"
 121 loop="$(losetup --show -P -f ${image}.gpt)"
 122 dd if=${image}.raw of=${loop}p1
 123 dd if=${image}.verity of=${loop}p2
 124 losetup -d ${loop}
 125
 126 # Derive partition UUIDs from root hash, in UUID syntax
 127 ROOT_UUID=$(systemd-id128 -u show $(head -c 32 ${image}.roothash) -u | tail -n 1 | cut -b 6-)
 128 VERITY_UUID=$(systemd-id128 -u show $(tail -c 32 ${image}.roothash) -u | tail -n 1 | cut -b 6-)
 129
 130 systemd-dissect --json=short --root-hash ${roothash} ${image}.gpt | grep -q '{"rw":"ro","designator":"root","partition_uuid":"'$ROOT_UUID'","fstype":"squashfs","architecture":"'$architecture'","verity":"yes","node":'
 131 systemd-dissect --json=short --root-hash ${roothash} ${image}.gpt | grep -q '{"rw":"ro","designator":"root-verity","partition_uuid":"'$VERITY_UUID'","fstype":"DM_verity_hash","architecture":"'$architecture'","verity":null,"node":'
 132 systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q -F "MARKER=1"
 133 systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q -F -f $os_release
 134
 135 systemd-dissect --root-hash ${roothash} --mount ${image}.gpt ${image_dir}/mount
 136 cat ${image_dir}/mount/usr/lib/os-release | grep -q -F -f $os_release
 137 cat ${image_dir}/mount/etc/os-release | grep -q -F -f $os_release
 138 cat ${image_dir}/mount/usr/lib/os-release | grep -q -F "MARKER=1"
 139 umount ${image_dir}/mount
 140
 141 # add explicit -p MountAPIVFS=yes once to test the parser
 142 systemd-run -t -p RootImage=${image}.gpt -p RootHash=${roothash} -p MountAPIVFS=yes cat /usr/lib/os-release | grep -q -F "MARKER=1"
 143
 144 systemd-run -t -p RootImage=${image}.raw -p RootImageOptions="root:nosuid,dev home:ro,dev ro,noatime" mount | grep -F "squashfs" | grep -q -F "nosuid"
 145 systemd-run -t -p RootImage=${image}.gpt -p RootImageOptions="root:ro,noatime root:ro,dev" mount | grep -F "squashfs" | grep -q -F "noatime"
 146
 147 mkdir -p mkdir -p ${image_dir}/result
 148 cat >/run/systemd/system/testservice-50a.service <<EOF
 149 [Service]
 150 Type=oneshot
 151 ExecStart=bash -c "mount >/run/result/a"
 152 BindPaths=${image_dir}/result:/run/result
 153 TemporaryFileSystem=/run
 154 RootImage=${image}.raw
 155 RootImageOptions=root:ro,noatime home:ro,dev relatime,dev
 156 RootImageOptions=nosuid,dev
 157 EOF
 158 systemctl start testservice-50a.service
 159 grep -F "squashfs" ${image_dir}/result/a | grep -q -F "noatime"
 160 grep -F "squashfs" ${image_dir}/result/a | grep -q -F -v "nosuid"
 161
 162 cat >/run/systemd/system/testservice-50b.service <<EOF
 163 [Service]
 164 Type=oneshot
 165 ExecStart=bash -c "mount >/run/result/b"
 166 BindPaths=${image_dir}/result:/run/result
 167 TemporaryFileSystem=/run
 168 RootImage=${image}.gpt
 169 RootImageOptions=root:ro,noatime,nosuid home:ro,dev nosuid,dev
 170 RootImageOptions=home:ro,dev nosuid,dev,%%foo
 171 # this is the default, but let's specify once to test the parser
 172 MountAPIVFS=yes
 173 EOF
 174 systemctl start testservice-50b.service
 175 grep -F "squashfs" ${image_dir}/result/b | grep -q -F "noatime"
 176
 177 # Check that specifier escape is applied %%foo → %foo
 178 busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1/unit/testservice_2d50b_2eservice org.freedesktop.systemd1.Service RootImageOptions | grep -F "nosuid,dev,%foo"
 179
 180 # Now do some checks with MountImages, both by itself, with options and in combination with RootImage, and as single FS or GPT image
 181 systemd-run -t -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 182 systemd-run -t -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 183 systemd-run -t -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2:nosuid,dev" mount | grep -F "squashfs" | grep -q -F "nosuid"
 184 systemd-run -t -p MountImages="${image}.gpt:/run/img1:root:nosuid ${image}.raw:/run/img2:home:suid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 185 systemd-run -t -p MountImages="${image}.raw:/run/img2\:3" cat /run/img2:3/usr/lib/os-release | grep -q -F "MARKER=1"
 186 systemd-run -t -p MountImages="${image}.raw:/run/img2\:3:nosuid" mount | grep -F "squashfs" | grep -q -F "nosuid"
 187 systemd-run -t -p TemporaryFileSystem=/run -p RootImage=${image}.raw -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 188 systemd-run -t -p TemporaryFileSystem=/run -p RootImage=${image}.raw -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 189 systemd-run -t -p TemporaryFileSystem=/run -p RootImage=${image}.gpt -p RootHash=${roothash} -p MountImages="${image}.gpt:/run/img1 ${image}.raw:/run/img2" cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 190 cat >/run/systemd/system/testservice-50c.service <<EOF
 191 [Service]
 192 MountAPIVFS=yes
 193 TemporaryFileSystem=/run
 194 RootImage=${image}.raw
 195 MountImages=${image}.gpt:/run/img1:root:noatime:home:relatime
 196 MountImages=${image}.raw:/run/img2\:3:nosuid
 197 ExecStart=bash -c "cat /run/img1/usr/lib/os-release >/run/result/c"
 198 ExecStart=bash -c "cat /run/img2:3/usr/lib/os-release >>/run/result/c"
 199 ExecStart=bash -c "mount >>/run/result/c"
 200 BindPaths=${image_dir}/result:/run/result
 201 Type=oneshot
 202 EOF
 203 systemctl start testservice-50c.service
 204 grep -q -F "MARKER=1" ${image_dir}/result/c
 205 grep -F "squashfs" ${image_dir}/result/c | grep -q -F "noatime"
 206 grep -F "squashfs" ${image_dir}/result/c | grep -q -F -v "nosuid"
 207
 208 # Adding a new mounts at runtime works if the unit is in the active state,
 209 # so use Type=notify to make sure there's no race condition in the test
 210 cat > /run/systemd/system/testservice-50d.service <<EOF
 211 [Service]
 212 RuntimeMaxSec=300
 213 Type=notify
 214 RemainAfterExit=yes
 215 MountAPIVFS=yes
 216 PrivateTmp=yes
 217 ExecStart=/bin/sh -c 'systemd-notify --ready; while ! grep -q -F MARKER /tmp/img/usr/lib/os-release; do sleep 0.1; done; mount | grep -F "/tmp/img" | grep -q -F "nosuid"'
 218 EOF
 219 systemctl start testservice-50d.service
 220
 221 systemctl mount-image --mkdir testservice-50d.service ${image}.raw /tmp/img root:nosuid
 222
 223 while systemctl show -P SubState testservice-50d.service | grep -q running
 224 do
 225     sleep 0.1
 226 done
 227
 228 systemctl is-active testservice-50d.service
 229
 230 # ExtensionImages will set up an overlay
 231 systemd-run -t --property ExtensionImages=/usr/share/app0.raw --property RootImage=${image}.raw cat /opt/script0.sh | grep -q -F "extension-release.app0"
 232 systemd-run -t --property ExtensionImages=/usr/share/app0.raw --property RootImage=${image}.raw cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 233 systemd-run -t --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage=${image}.raw cat /opt/script0.sh | grep -q -F "extension-release.app0"
 234 systemd-run -t --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage=${image}.raw cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 235 systemd-run -t --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage=${image}.raw cat /opt/script1.sh | grep -q -F "extension-release.app1"
 236 systemd-run -t --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" --property RootImage=${image}.raw cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 237 cat >/run/systemd/system/testservice-50e.service <<EOF
 238 [Service]
 239 MountAPIVFS=yes
 240 TemporaryFileSystem=/run
 241 RootImage=${image}.raw
 242 ExtensionImages=/usr/share/app0.raw /usr/share/app1.raw:nosuid
 243 # Relevant only for sanitizer runs
 244 UnsetEnvironment=LD_PRELOAD
 245 ExecStart=/bin/bash -c '/opt/script0.sh | grep ID'
 246 ExecStart=/bin/bash -c '/opt/script1.sh | grep ID'
 247 Type=oneshot
 248 RemainAfterExit=yes
 249 EOF
 250 systemctl start testservice-50e.service
 251 systemctl is-active testservice-50e.service
 252
 253 echo OK >/testok
 254
 255 exit 0