mirror of
https://github.com/systemd/systemd
synced 2024-09-06 16:56:43 +00:00
7a321b5a21
Having these named differently than the test itself mostly creates unecessary confusion and makes writing logic against the tests harder so let's rename the testsuite-xx units and scripts to just use the test name itself.
276 lines
7.5 KiB
Bash
Executable file
276 lines
7.5 KiB
Bash
Executable file
#!/bin/bash
|
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
#
|
|
# Basic tests for types creating/writing files
|
|
set -eux
|
|
set -o pipefail
|
|
|
|
rm -fr /tmp/{f,F,w}
|
|
mkdir /tmp/{f,F,w}
|
|
touch /tmp/file-owned-by-root
|
|
|
|
#
|
|
# 'f'
|
|
#
|
|
systemd-tmpfiles --dry-run --create - <<EOF
|
|
f /tmp/f/1 0644 - - - -
|
|
f /tmp/f/2 0644 - - - This string should be written
|
|
EOF
|
|
|
|
test ! -e /tmp/f/1
|
|
test ! -e /tmp/f/2
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
f /tmp/f/1 0644 - - - -
|
|
f /tmp/f/2 0644 - - - This string should be written
|
|
EOF
|
|
|
|
### '1' should exist and be empty
|
|
test -f /tmp/f/1; test ! -s /tmp/f/1
|
|
test "$(stat -c %U:%G:%a /tmp/f/1)" = "root:root:644"
|
|
|
|
test "$(stat -c %U:%G:%a /tmp/f/2)" = "root:root:644"
|
|
test "$(< /tmp/f/2)" = "This string should be written"
|
|
|
|
### The perms are supposed to be updated even if the file already exists.
|
|
systemd-tmpfiles --create - <<EOF
|
|
f /tmp/f/1 0666 daemon daemon - This string should not be written
|
|
EOF
|
|
|
|
# file should be empty
|
|
test ! -s /tmp/f/1
|
|
test "$(stat -c %U:%G:%a /tmp/f/1)" = "daemon:daemon:666"
|
|
|
|
### But we shouldn't try to set perms on an existing file which is not a
|
|
### regular one.
|
|
mkfifo /tmp/f/fifo
|
|
chmod 644 /tmp/f/fifo
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/f/fifo 0666 daemon daemon - This string should not be written
|
|
EOF
|
|
|
|
test -p /tmp/f/fifo
|
|
test "$(stat -c %U:%G:%a /tmp/f/fifo)" = "root:root:644"
|
|
|
|
### 'f' should not follow symlinks.
|
|
ln -s missing /tmp/f/dangling
|
|
ln -s /tmp/file-owned-by-root /tmp/f/symlink
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/f/dangling 0644 daemon daemon - -
|
|
f /tmp/f/symlink 0644 daemon daemon - -
|
|
EOF
|
|
test ! -e /tmp/f/missing
|
|
test "$(stat -c %U:%G:%a /tmp/file-owned-by-root)" = "root:root:644"
|
|
|
|
### Handle read-only filesystem gracefully: we shouldn't fail if the target
|
|
### already exists and have the correct perms.
|
|
mkdir /tmp/f/rw-fs
|
|
mkdir /tmp/f/ro-fs
|
|
|
|
touch /tmp/f/rw-fs/foo
|
|
chmod 644 /tmp/f/rw-fs/foo
|
|
|
|
mount -o bind,ro /tmp/f/rw-fs /tmp/f/ro-fs
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
f /tmp/f/ro-fs/foo 0644 - - - - This string should not be written
|
|
EOF
|
|
test -f /tmp/f/ro-fs/foo; test ! -s /tmp/f/ro-fs/foo
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/f/ro-fs/foo 0666 - - - -
|
|
EOF
|
|
test "$(stat -c %U:%G:%a /tmp/f/fifo)" = "root:root:644"
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/f/ro-fs/bar 0644 - - - -
|
|
EOF
|
|
test ! -e /tmp/f/ro-fs/bar
|
|
|
|
### 'f' shouldn't follow unsafe paths.
|
|
mkdir /tmp/f/daemon
|
|
ln -s /root /tmp/f/daemon/unsafe-symlink
|
|
chown -R --no-dereference daemon:daemon /tmp/f/daemon
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/f/daemon/unsafe-symlink/exploit 0644 daemon daemon - -
|
|
EOF
|
|
test ! -e /tmp/f/daemon/unsafe-symlink/exploit
|
|
|
|
#
|
|
# 'F'
|
|
#
|
|
echo "This should be truncated" >/tmp/F/truncated
|
|
echo "This should be truncated" >/tmp/F/truncated-with-content
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
F /tmp/F/created 0644 - - - -
|
|
F /tmp/F/created-with-content 0644 - - - new content
|
|
F /tmp/F/truncated 0666 daemon daemon - -
|
|
F /tmp/F/truncated-with-content 0666 daemon daemon - new content
|
|
EOF
|
|
|
|
test -f /tmp/F/created; test ! -s /tmp/F/created
|
|
test -f /tmp/F/created-with-content
|
|
test "$(< /tmp/F/created-with-content)" = "new content"
|
|
test -f /tmp/F/truncated; test ! -s /tmp/F/truncated
|
|
test "$(stat -c %U:%G:%a /tmp/F/truncated)" = "daemon:daemon:666"
|
|
test -s /tmp/F/truncated-with-content
|
|
test "$(stat -c %U:%G:%a /tmp/F/truncated-with-content)" = "daemon:daemon:666"
|
|
|
|
### We shouldn't try to truncate anything but regular files since the behavior is
|
|
### unspecified in the other cases.
|
|
mkfifo /tmp/F/fifo
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/fifo 0644 - - - -
|
|
EOF
|
|
|
|
test -p /tmp/F/fifo
|
|
|
|
### 'F' should not follow symlinks.
|
|
ln -s missing /tmp/F/dangling
|
|
ln -s /tmp/file-owned-by-root /tmp/F/symlink
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/F/dangling 0644 daemon daemon - -
|
|
f /tmp/F/symlink 0644 daemon daemon - -
|
|
EOF
|
|
test ! -e /tmp/F/missing
|
|
test "$(stat -c %U:%G:%a /tmp/file-owned-by-root)" = "root:root:644"
|
|
|
|
### Handle read-only filesystem gracefully: we shouldn't fail if the target
|
|
### already exists and is empty.
|
|
mkdir /tmp/F/rw-fs
|
|
mkdir /tmp/F/ro-fs
|
|
|
|
touch /tmp/F/rw-fs/foo
|
|
chmod 644 /tmp/F/rw-fs/foo
|
|
|
|
mount -o bind,ro /tmp/F/rw-fs /tmp/F/ro-fs
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
F /tmp/F/ro-fs/foo 0644 - - - -
|
|
EOF
|
|
test -f /tmp/F/ro-fs/foo; test ! -s /tmp/F/ro-fs/foo
|
|
|
|
echo "truncating is not allowed anymore" >/tmp/F/rw-fs/foo
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/ro-fs/foo 0644 - - - -
|
|
EOF
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/ro-fs/foo 0644 - - - - This string should not be written
|
|
EOF
|
|
test -f /tmp/F/ro-fs/foo
|
|
grep -q 'truncating is not allowed' /tmp/F/ro-fs/foo
|
|
|
|
# Trying to change the perms should fail.
|
|
: >/tmp/F/rw-fs/foo
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/ro-fs/foo 0666 - - - -
|
|
EOF
|
|
test "$(stat -c %U:%G:%a /tmp/F/ro-fs/foo)" = "root:root:644"
|
|
|
|
### Try to create a new file.
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/ro-fs/bar 0644 - - - -
|
|
EOF
|
|
test ! -e /tmp/F/ro-fs/bar
|
|
|
|
### 'F' shouldn't follow unsafe paths.
|
|
mkdir /tmp/F/daemon
|
|
ln -s /root /tmp/F/daemon/unsafe-symlink
|
|
chown -R --no-dereference daemon:daemon /tmp/F/daemon
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
F /tmp/F/daemon/unsafe-symlink/exploit 0644 daemon daemon - -
|
|
EOF
|
|
test ! -e /tmp/F/daemon/unsafe-symlink/exploit
|
|
|
|
#
|
|
# 'w'
|
|
#
|
|
touch /tmp/w/overwritten
|
|
touch /tmp/w/appended
|
|
|
|
### nop if the target does not exist.
|
|
systemd-tmpfiles --dry-run --create - <<EOF
|
|
w /tmp/w/unexistent 0644 - - - new content
|
|
EOF
|
|
test ! -e /tmp/w/unexistent
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
w /tmp/w/unexistent 0644 - - - new content
|
|
EOF
|
|
test ! -e /tmp/w/unexistent
|
|
|
|
### no argument given -> fails.
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
w /tmp/w/unexistent 0644 - - - -
|
|
EOF
|
|
|
|
### write into an empty file.
|
|
systemd-tmpfiles --dry-run --create - <<EOF
|
|
w /tmp/w/overwritten 0644 - - - old content
|
|
EOF
|
|
test -f /tmp/w/overwritten
|
|
test -z "$(< /tmp/w/overwritten)"
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
w /tmp/w/overwritten 0644 - - - old content
|
|
EOF
|
|
test -f /tmp/w/overwritten
|
|
test "$(< /tmp/w/overwritten)" = "old content"
|
|
|
|
### old content is overwritten
|
|
systemd-tmpfiles --dry-run --create - <<EOF
|
|
w /tmp/w/overwritten 0644 - - - new content
|
|
EOF
|
|
test -f /tmp/w/overwritten
|
|
test "$(< /tmp/w/overwritten)" = "old content"
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
w /tmp/w/overwritten 0644 - - - new content
|
|
EOF
|
|
test -f /tmp/w/overwritten
|
|
test "$(< /tmp/w/overwritten)" = "new content"
|
|
|
|
### append lines
|
|
systemd-tmpfiles --create - <<EOF
|
|
w+ /tmp/w/appended 0644 - - - 1
|
|
w+ /tmp/w/appended 0644 - - - 2\n
|
|
w+ /tmp/w/appended 0644 - - - 3
|
|
EOF
|
|
test -f /tmp/w/appended
|
|
test "$(< /tmp/w/appended)" = "$(echo -ne '12\n3')"
|
|
|
|
### writing into an 'exotic' file should be allowed.
|
|
systemd-tmpfiles --dry-run --create - <<EOF
|
|
w /dev/null - - - - new content
|
|
EOF
|
|
|
|
systemd-tmpfiles --create - <<EOF
|
|
w /dev/null - - - - new content
|
|
EOF
|
|
|
|
### 'w' follows symlinks
|
|
ln -s ./overwritten /tmp/w/symlink
|
|
systemd-tmpfiles --create - <<EOF
|
|
w /tmp/w/symlink - - - - $(readlink -e /tmp/w/symlink)
|
|
EOF
|
|
readlink -e /tmp/w/symlink
|
|
test "$(< /tmp/w/overwritten)" = "/tmp/w/overwritten"
|
|
|
|
### 'w' shouldn't follow unsafe paths.
|
|
mkdir /tmp/w/daemon
|
|
ln -s /root /tmp/w/daemon/unsafe-symlink
|
|
chown -R --no-dereference daemon:daemon /tmp/w/daemon
|
|
|
|
(! systemd-tmpfiles --create -) <<EOF
|
|
f /tmp/w/daemon/unsafe-symlink/exploit 0644 daemon daemon - -
|
|
EOF
|
|
test ! -e /tmp/w/daemon/unsafe-symlink/exploit
|