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#!/bin/ash
. /opt/openslx/config || { echo "Could not source config!"; exit 23; }
#generate new user with useradd and insert password in /etc/shadow if exists
create_user(){
local username="$1"
local password="$2"
uset IFS
#if the users doesn't exists, create him without the password
if useradd -s /bin/bash -m "$username" -K UID_MIN=1000 -K GID_MIN=1000; then
if [ -n "$password" ]; then
#set the password in the /etc/shadow file
sed -i "s#^${username}:[^:]*:#${username}:${password}:#" "/etc/shadow"
fi
else
echo 'user ${username} already exists'
#if the user already exists, check if the password has changed
if [ -n "$password" ] && [ $(grep ^${username}: /etc/shadow | cut -d ':' -f2) != "$password" ]; then
echo "User password changed, updating /etc/shadow to new one"
#set the password in the /etc/shadow file
sed -i "s#^${username}:[^:]*:#${username}:${password}:#" "/etc/shadow"
fi
fi
}
# check if the /home partition exists
if mount | grep "/home" > /dev/null; then
echo "/home partition found"
#try to create the 'openslx' user in whose home dir backups and patch files will be stored
if useradd -s /bin/bash -m openslx -K UID_MIN=1000 -K GID_MIN=1000; then
echo "user openslx created"
#set the password in the /etc/shadow file
sed -i "s#^openslx:[^:]*:#openslx:$OPENSLX_PASS:#" "/etc/shadow"
fi
#create the accounts specified in the SLX_USERS config.
for line in $SLX_USERS; do
IFS=,
set $line
create_user $1 $2
done
#patch passwd, shadow and group with changes the local admin made in that machine
for file in passwd shadow group; do
#backup files before patching to save slxbox state
echo "Backing up /etc/${file} at /home/openslx/.${file}.backup"
cp /etc/${file} /home/openslx/.${file}.backup
#apply patch of users created by the admin in the last session.
if [ -e /home/openslx/.${file}.patch ]; then
patch /etc/${file} < /home/openslx/.${file}.patch
fi
done
else
#if no /home partition was found, will create the user but won't do the patch and backup.
echo "No /home partition found on hdd. Creating non permanent users from slxbox."
for line in $SLX_USERS; do # create the accounts specified in the SLX_USERS config.
IFS=,
set $line
create_user $1 $2
done
fi
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