lorax/tests/cli/lib/root_account.sh
Jiri Kortus 655e7e40c0 Add checks for disabled root account
The root account checks are applied to generated and deployed images
to make sure that root account is locked, except for live ISO.
2019-03-22 12:06:34 +02:00

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#!/usr/bin/env bash
check_root_account() {
# Try to SSH to a remote machine first using root account using password-based
# auth (this is expected to fail) and then using key-based auth with the
# supplied username to check content of /etc/shadow and audit.log.
#
# use: check_root_account <user> <machine> [ssh options]
local ssh_opts="-o StrictHostKeyChecking=no $3"
local user="$1"
local machine="$2"
if [[ "$user" == "" || "$machine" == "" ]]; then
rlFail "check_root_account: Missing user or machine parameter."
return 1
fi
if [ $ROOT_ACCOUNT_LOCKED == 0 ]; then
rlRun -t -c "ssh $ssh_opts ${user}@${machine} \"sudo grep '^root::' /etc/shadow\"" \
0 "Password for root account in /etc/shadow is empty"
else
# ssh returns 255 in case of any ssh error, so it's better to grep the specific error message
rlRun -t -c "ssh $ssh_opts -o PubkeyAuthentication=no root@${machine} 2>&1 | grep -i 'permission denied ('" \
0 "Can't ssh to '$machine' as root using password-based auth"
rlRun -t -c "ssh $ssh_opts ${user}@${machine} \"sudo grep -E '^root:(\*LOCK\*|!):' /etc/shadow\"" \
0 "root account is disabled in /etc/shadow"
rlRun -t -c "ssh $ssh_opts ${user}@${machine} \"sudo grep 'USER_LOGIN.*acct=\\\"root\\\".*terminal=ssh.*res=failed' /var/log/audit/audit.log\"" \
0 "audit.log contains entry about unsuccessful root login"
# We modify the default sshd settings on live ISO, so we can only check the default empty password setting
# outside of live ISO
rlRun -t -c "ssh $ssh_opts ${user}@${machine} 'grep -E \"^[[:blank:]]*PermitEmptyPasswords[[:blank:]]*yes\" /etc/ssh/sshd_config'" 1 \
"Login with empty passwords is disabled in sshd config file"
fi
rlRun -t -c "ssh $ssh_opts ${user}@${machine} 'cat /etc/redhat-release'"
}