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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
if ! command -v ssh &> /dev/null || ! command -v sshd &> /dev/null ; then
echo "ssh/sshd not found, skipping test." >&2
exit 0
fi
systemctl -q is-active sshd-unix-local.socket
if test -e /dev/vsock ; then
systemctl -q is-active sshd-vsock.socket
fi
if test -d /run/host/unix-export ; then
systemctl -q is-active sshd-unix-export.socket
fi
# FIXME: sshd seems to crash inside asan currently, skip the actual ssh test hence
if [[ -v ASAN_OPTIONS ]] ; then
exit 0
fi
ROOTID=$(mktemp -u)
removesshid() {
rm -f "$ROOTID" "$ROOTID".pub
}
ssh-keygen -N '' -C '' -t rsa -f "$ROOTID"
mkdir -p 0700 /root/.ssh
# Add a newline in case authorized_keys wasn't terminated correctly.
echo >>/root/.ssh/authorized_keys
cat "$ROOTID".pub >>/root/.ssh/authorized_keys
# set root pw to "foo", just to set it to something valid
# shellcheck disable=SC2016
usermod -p '$5$AAy6BYJ6rzz.QELv$6LpVEU3/RQmVz.svHu/33qoJWWWzZuJ3DM2fo9JgcUD' root
usermod -U root
mkdir -p /etc/ssh
test -f /etc/ssh/ssh_host_rsa_key || ssh-keygen -t rsa -C '' -N '' -f /etc/ssh/ssh_host_rsa_key
echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
echo "LogLevel DEBUG3" >> /etc/ssh/sshd_config
test -f /etc/ssh/ssh_config || echo 'Include /etc/ssh/ssh_config.d/*.conf' > /etc/ssh/ssh_config
# ssh wants this dir around, but distros cannot agree on a common name for it, let's just create all that are aware of distros use
mkdir -p /usr/share/empty.sshd /var/empty /var/empty/sshd /run/sshd
ssh -o StrictHostKeyChecking=no -v -i "$ROOTID" .host cat /etc/machine-id | cmp - /etc/machine-id
ssh -o StrictHostKeyChecking=no -v -i "$ROOTID" unix/run/ssh-unix-local/socket cat /etc/machine-id | cmp - /etc/machine-id
ssh -o StrictHostKeyChecking=no -v -i "$ROOTID" machine/.host cat /etc/machine-id | cmp - /etc/machine-id
modprobe vsock_loopback ||:
if test -e /dev/vsock -a -d /sys/module/vsock_loopback ; then
ssh -o StrictHostKeyChecking=no -v -i "$ROOTID" vsock/1 cat /etc/machine-id | cmp - /etc/machine-id
fi
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