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challenge: Handle root password

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This commit is contained in:
nemunaire 2022-02-27 11:25:22 +01:00
parent 1fa4649c70
commit 74cbd90e20
1 changed files with 15 additions and 1 deletions
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16
pkg/challenge/init
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@ -20,8 +20,21 @@ cmdline() {
USER_LOGIN=$(cmdline adlin.login) USER_LOGIN=$(cmdline adlin.login)
USER_PKEY=$(cmdline adlin.key) USER_PKEY=$(cmdline adlin.key)
USER_IP=$(cmdline adlin.ip) USER_IP=$(cmdline adlin.ip)
ROOT_PASSWORD=$(cmdline adlin.rootpasswd)
[ -f /etc/shadow_ ] && mv /etc/shadow_ /etc/shadow
[ -n "${USER_IP}" ] && echo "${USER_IP}" > /root/my_ip [ -n "${USER_IP}" ] && echo "${USER_IP}" > /root/my_ip
[ -n "${ROOT_PASSWORD}" ] && sed -i "/^root:/s@!@${ROOT_PASSWORD}@" /etc/shadow
# Handle extra user from /etc/shadow
sed -r 's/^([^:]+):.*$/\1/' /etc/shadow | while read u; do
grep -q "^$u" /etc/passwd || {
i=$(($(wc -l /etc/passwd | cut -d ' ' -f 1) + 988))
echo "$u:x:$i:$u" >> /etc/group
echo "$u:x:$i:$i:new user:/home:/bin/ash" >> /etc/passwd
}
done
# Define hostname # Define hostname
hostname adlin-${USER_LOGIN} hostname adlin-${USER_LOGIN}
@ -45,6 +58,7 @@ done
# Launch some daemons # Launch some daemons
#/usr/bin/setsid /usr/sbin/crond > /dev/null & #/usr/bin/setsid /usr/sbin/crond > /dev/null &
/usr/bin/setsid /bin/shadow-up > /dev/null 2> /dev/null &
# Prepare bonus 2 # Prepare bonus 2
mkdir -p /mnt mkdir -p /mnt
@ -68,7 +82,7 @@ N2=$((25 + $RANDOM % 35))
sync sync
rm /mnt/bonus2 rm /mnt/bonus2
sync sync
umount /mnt umount /mnt 2> /dev/null
# Launch requested init # Launch requested init