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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 | ||
08de6f94 LB |
7 | export SYSTEMD_LOG_LEVEL=debug |
8 | ||
69398734 LB |
9 | cleanup() |
10 | { | |
11 | if [ -z "${image_dir}" ]; then | |
12 | return | |
13 | fi | |
14 | rm -rf "${image_dir}" | |
15 | } | |
16 | ||
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17 | cd /tmp |
18 | ||
69398734 LB |
19 | image_dir="$(mktemp -d -t -p /tmp tmp.XXXXXX)" |
20 | if [ -z "${image_dir}" ] || [ ! -d "${image_dir}" ]; then | |
21 | echo "mktemp under /tmp failed" | |
22 | exit 1 | |
e7cbe5cb LB |
23 | fi |
24 | ||
69398734 LB |
25 | trap cleanup EXIT |
26 | ||
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27 | cp /usr/share/minimal.* "${image_dir}/" |
28 | image="${image_dir}/minimal" | |
69398734 | 29 | roothash="$(cat ${image}.roothash)" |
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30 | |
31 | /usr/lib/systemd/systemd-dissect ${image}.raw | grep -q -F "Found read-only 'root' partition of type squashfs with verity" | |
0f5d24a8 | 32 | /usr/lib/systemd/systemd-dissect ${image}.raw | grep -q -F "MARKER=1" |
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33 | /usr/lib/systemd/systemd-dissect ${image}.raw | grep -q -F -f /usr/lib/os-release |
34 | ||
35 | mv ${image}.verity ${image}.fooverity | |
36 | mv ${image}.roothash ${image}.foohash | |
69398734 | 37 | /usr/lib/systemd/systemd-dissect ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F "Found read-only 'root' partition of type squashfs with verity" |
0f5d24a8 | 38 | /usr/lib/systemd/systemd-dissect ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F "MARKER=1" |
69398734 LB |
39 | /usr/lib/systemd/systemd-dissect ${image}.raw --root-hash=${roothash} --verity-data=${image}.fooverity | grep -q -F -f /usr/lib/os-release |
40 | mv ${image}.fooverity ${image}.verity | |
41 | mv ${image}.foohash ${image}.roothash | |
42 | ||
ac1f3ad0 | 43 | mkdir -p ${image_dir}/mount ${image_dir}/mount2 |
69398734 | 44 | /usr/lib/systemd/systemd-dissect --mount ${image}.raw ${image_dir}/mount |
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45 | cat ${image_dir}/mount/usr/lib/os-release | grep -q -F -f /usr/lib/os-release |
46 | cat ${image_dir}/mount/etc/os-release | grep -q -F -f /usr/lib/os-release | |
47 | cat ${image_dir}/mount/usr/lib/os-release | grep -q -F "MARKER=1" | |
ac1f3ad0 LB |
48 | # Verity volume should be shared (opened only once) |
49 | /usr/lib/systemd/systemd-dissect --mount ${image}.raw ${image_dir}/mount2 | |
50 | verity_count=$(ls -1 /dev/mapper/ | grep -c verity) | |
51 | # In theory we should check that count is exactly one. In practice, libdevmapper | |
52 | # randomly and unpredictably fails with an unhelpful EINVAL when a device is open | |
53 | # (and even mounted and in use), so best-effort is the most we can do for now | |
54 | if [ ${verity_count} -lt 1 ]; then | |
55 | echo "Verity device ${image}.raw not found in /dev/mapper/" | |
56 | exit 1 | |
57 | fi | |
69398734 | 58 | umount ${image_dir}/mount |
ac1f3ad0 | 59 | umount ${image_dir}/mount2 |
e7cbe5cb | 60 | |
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61 | systemd-run -t --property RootImage=${image}.raw /usr/bin/cat /usr/lib/os-release | grep -q -F "MARKER=1" |
62 | mv ${image}.verity ${image}.fooverity | |
63 | mv ${image}.roothash ${image}.foohash | |
64 | systemd-run -t --property RootImage=${image}.raw --property RootHash=${image}.foohash --property RootVerity=${image}.fooverity /usr/bin/cat /usr/lib/os-release | grep -q -F "MARKER=1" | |
65 | systemd-run -t --property RootImage=${image}.raw --property RootHash=${roothash} --property RootVerity=${image}.fooverity /usr/bin/cat /usr/lib/os-release | grep -q -F "MARKER=1" | |
66 | mv ${image}.fooverity ${image}.verity | |
67 | mv ${image}.foohash ${image}.roothash | |
68 | ||
a5f1d665 LB |
69 | # Make a GPT disk on the fly, with the squashfs as partition 1 and the verity hash tree as partition 2 |
70 | machine="$(uname -m)" | |
71 | if [ "${machine}" = "x86_64" ]; then | |
72 | root_guid=4f68bce3-e8cd-4db1-96e7-fbcaf984b709 | |
73 | verity_guid=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5 | |
74 | elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then | |
75 | root_guid=44479540-f297-41b2-9af7-d131d5f0458a | |
76 | verity_guid=d13c5d3b-b5d1-422a-b29f-9454fdc89d76 | |
77 | elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then | |
78 | root_guid=b921b045-1df0-41c3-af44-4c6f280d3fae | |
79 | verity_guid=df3300ce-d69f-4c92-978c-9bfb0f38d820 | |
80 | elif [ "${machine}" = "arm" ]; then | |
81 | root_guid=69dad710-2ce4-4e3c-b16c-21a1d49abed3 | |
82 | verity_guid=7386cdf2-203c-47a9-a498-f2ecce45a2d6 | |
83 | elif [ "${machine}" = "ia64" ]; then | |
84 | root_guid=993d8d3d-f80e-4225-855a-9daf8ed7ea97 | |
85 | verity_guid=86ed10d5-b607-45bb-8957-d350f23d0571 | |
08de6f94 LB |
86 | else |
87 | echo "Unexpected uname -m: ${machine} in testsuite-50.sh, please fix me" | |
88 | exit 1 | |
a5f1d665 LB |
89 | fi |
90 | # du rounds up to block size, which is more helpful for partitioning | |
91 | root_size="$(du -k ${image}.raw | cut -f1)" | |
92 | verity_size="$(du -k ${image}.verity | cut -f1)" | |
93 | # 4MB seems to be the minimum size blkid will accept, below that probing fails | |
94 | dd if=/dev/zero of=${image}.gpt bs=512 count=$((8192+${root_size}*2+${verity_size}*2)) | |
95 | # sfdisk seems unhappy if the size overflows into the next unit, eg: 1580KiB will be interpreted as 1MiB | |
96 | # so do some basic rounding up if the minimal image is more than 1 MB | |
97 | if [ ${root_size} -ge 1024 ]; then | |
98 | root_size="$((${root_size}/1024 + 1))MiB" | |
99 | else | |
100 | root_size="${root_size}KiB" | |
101 | fi | |
102 | verity_size="${verity_size}KiB" | |
103 | uuid="$(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 ${image}.roothash | cut -c 21-)" | |
104 | echo -e "label: gpt\nsize=${root_size}, type=${root_guid}, uuid=${uuid}" | sfdisk ${image}.gpt | |
105 | uuid="$(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 ${image}.roothash | cut -c 21-)" | |
106 | echo -e "size=${verity_size}, type=${verity_guid}, uuid=${uuid}" | sfdisk ${image}.gpt --append | |
107 | sfdisk --part-label ${image}.gpt 1 "Root Partition" | |
108 | sfdisk --part-label ${image}.gpt 2 "Verity Partition" | |
109 | loop="$(losetup --show -P -f ${image}.gpt)" | |
110 | dd if=${image}.raw of=${loop}p1 | |
111 | dd if=${image}.verity of=${loop}p2 | |
112 | losetup -d ${loop} | |
113 | ||
114 | /usr/lib/systemd/systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q "Found read-only 'root' partition (UUID $(head -c 32 ${image}.roothash)) of type squashfs for .* with verity on partition #1" | |
115 | /usr/lib/systemd/systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q "Found read-only 'root-verity' partition (UUID $(tail -c 32 ${image}.roothash)) of type DM_verity_hash for .* on partition #2" | |
0f5d24a8 | 116 | /usr/lib/systemd/systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q -F "MARKER=1" |
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117 | /usr/lib/systemd/systemd-dissect --root-hash ${roothash} ${image}.gpt | grep -q -F -f /usr/lib/os-release |
118 | ||
119 | /usr/lib/systemd/systemd-dissect --root-hash ${roothash} --mount ${image}.gpt ${image_dir}/mount | |
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120 | cat ${image_dir}/mount/usr/lib/os-release | grep -q -F -f /usr/lib/os-release |
121 | cat ${image_dir}/mount/etc/os-release | grep -q -F -f /usr/lib/os-release | |
122 | cat ${image_dir}/mount/usr/lib/os-release | grep -q -F "MARKER=1" | |
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123 | umount ${image_dir}/mount |
124 | ||
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125 | systemd-run -t --property RootImage=${image}.gpt --property RootHash=${roothash} /usr/bin/cat /usr/lib/os-release | grep -q -F "MARKER=1" |
126 | ||
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127 | systemd-run -t --property RootImage=${image}.raw --property RootImageOptions="1:ro,noatime 2:ro,dev nosuid,dev" --property MountAPIVFS=yes mount | grep -F "squashfs" | grep -q -F "nosuid" |
128 | systemd-run -t --property RootImage=${image}.gpt --property RootImageOptions="1:ro,noatime 1:ro,dev" --property MountAPIVFS=yes mount | grep -F "squashfs" | grep -q -F "noatime" | |
129 | ||
130 | cat > /run/systemd/system/testservice-50a.service <<EOF | |
131 | [Service] | |
132 | Type=oneshot | |
133 | ExecStart=mount | |
134 | MountAPIVFS=yes | |
135 | RootImage=${image}.raw | |
136 | RootImageOptions=1:ro,noatime,nosuid 2:ro,dev noatime,dev | |
137 | RootImageOptions=nosuid,dev | |
138 | EOF | |
139 | systemctl start testservice-50a.service | |
140 | journalctl -b -u testservice-50a.service | grep -F "squashfs" | grep -q -F "noatime" | |
141 | journalctl -b -u testservice-50a.service | grep -F "squashfs" | grep -q -F -v "nosuid" | |
142 | ||
143 | cat > /run/systemd/system/testservice-50b.service <<EOF | |
144 | [Service] | |
145 | Type=oneshot | |
146 | ExecStart=mount | |
147 | MountAPIVFS=yes | |
148 | RootImage=${image}.gpt | |
149 | RootImageOptions=1:ro,noatime,nosuid 2:ro,dev nosuid,dev | |
150 | RootImageOptions=2:ro,dev nosuid,dev,%%foo | |
151 | EOF | |
152 | systemctl start testservice-50b.service | |
153 | journalctl -b -u testservice-50b.service | grep -F "squashfs" | grep -q -F "noatime" | |
154 | ||
155 | # Check that specifier escape is applied %%foo -> %foo | |
156 | busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1/unit/testservice_2d50b_2eservice org.freedesktop.systemd1.Service RootImageOptions | grep -F "nosuid,dev,%foo" | |
157 | ||
e7cbe5cb LB |
158 | echo OK > /testok |
159 | ||
160 | exit 0 |