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#!/bin/sh
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htdocs_chroot_path="/home/www/htdocs"
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log_path="/var/log/user_manager.log"
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lock_list="jrmu,fizi,baytuch,vasya,gry,brk,mailman"
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user_exists="NO"
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group_exists="NO"
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target_user_id=""
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target_group_id=""
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error_trig="NO"
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check_exists() {
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user_exists=NO
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group_exists=NO
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if [ ! -z "$(grep "^$1:.*$" /etc/passwd)" ]; then
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user_exists="YES"
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if [ ! -z "$(grep "^$1:.*$" /etc/group)" ]; then
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group_exists="YES"
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create_user() {
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groupadd -ov -g $3 $1
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useradd -v -m -d /home/$1 -g $3 -s /bin/ksh -u $2 $1
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passwd $1
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delete_user() {
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userdel -rv $1
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groupdel -v $1
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logger() {
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if [ ! -f $log_path ]; then
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touch $log_path
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mess=[$(date '+%Y-%m-%d %H:%M:%S')]" "$1
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echo $mess >> $log_path
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echo $mess
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get_target_ids() {
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if [ $user_exists == "YES" ]; then
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target_user_id=$(grep "^$1" /etc/passwd | sed -r -e 's|^.*:([0-9]+):[0-9]+:.*$|\1|g')
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target_group_id=$(grep "^$1" /etc/passwd | sed -r -e 's|^.*:[0-9]+:([0-9]+):.*$|\1|g')
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users_ids=$(cat /etc/passwd | sed -r -e 's|^.*:([0-9]+:[0-9]+):.*$|\1|g')
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tmp_last_user_id=0
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for line in $users_ids; do
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tmp_user_id=${line%:*}
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tmp_group_id=${line#*:}
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if [ ${#tmp_user_id} -eq 4 ] && [ ${#tmp_group_id} -eq 4 ]; then
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if [ $tmp_user_id -eq $tmp_group_id ]; then
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if [ $tmp_user_id -gt $tmp_last_user_id ]; then
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tmp_last_user_id=$tmp_user_id
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target_user_id=$tmp_last_user_id
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target_group_id=$tmp_last_user_id
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target_user_id=$(echo $target_user_id | sed 's/[^0-9]//g')
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target_group_id=$(echo $target_group_id | sed 's/[^0-9]//g')
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if [ $user_exists == "NO" ] && [ ! -z $target_user_id ] && [ ! -z $target_group_id ]; then
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target_user_id=$((target_user_id + 1))
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target_group_id=$((target_group_id + 1))
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user_tree_config() {
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if [ -d /home/$1 ]; then
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chmod 700 /home/$1
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chmod 700 /home/$1/.ssh
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chmod 600 /home/$1/{.Xdefaults,.cshrc,.cvsrc,.login,.mailrc,.profile}
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logger "TREE CONFIG: was configured home dir"
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if [ -d $htdocs_chroot_path ]; then
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mkdir $htdocs_chroot_path/$1
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chown $1:$1 $htdocs_chroot_path/$1
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ln -s $htdocs_chroot_path/$1 /home/$1/htdocs
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chown $1:$1 /home/$1/htdocs
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logger "TREE CONFIG: was configured htdocs dir"
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logger "TREE CONFIG: htdocs chroot not found!"
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logger "TREE CONFIG: home folder not found!"
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user_tree_delete() {
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if [ -d /home/$1 ]; then
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if [ -d /home/$1/htdocs ]; then
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rm -rf /home/$1/htdocs
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if [ -d $htdocs_chroot_path/$1 ]; then
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rm -rf $htdocs_chroot_path/$1
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if [ ! -d /home/$1/htdocs ] && [ ! -d $htdocs_chroot_path/$1 ]; then
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logger "TREE DELETE: was deteled htdocs dir"
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error_trig="YES"
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logger "TREE DELETE: failed to delete folder tree!"
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error_trig="YES"
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logger "TREE DELETE: home folder not found!"
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do_create_user() {
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logger "WORKER: create a new user..."
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if [ -z $1 ]; then
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logger "WORKER: you must provide username!"
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check_exists $1
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if [ $user_exists == "YES" ]; then
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logger "WORKER: user $1 already exists"
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get_target_ids $1
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if [ ${#target_user_id} -eq 4 ] && [ ${#target_group_id} -eq 4 ]; then
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logger "WORKER: process of creating a new user has started"
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logger "WORKER: -> login - $1"
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logger "WORKER: -> user_id - $target_user_id"
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logger "WORKER: -> group_id - $target_group_id"
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create_user $1 $target_user_id $target_group_id
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check_exists $1
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if [ $user_exists == "YES" ]; then
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logger "WORKER: user created successfully"
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logger "WORKER: user folder tree configuration..."
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user_tree_config $1
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logger "WORKER: user creation failure!"
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logger "WORKER: error generating identifiers!"
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do_delete_user() {
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logger "WORKER: removing a user account..."
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if [ -z $1 ]; then
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logger "WORKER: you must provide username!"
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check_exists $1
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if [ $user_exists == "NO" ]; then
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logger "WORKER: user $1 not found!"
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get_target_ids $1
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if [ ${#target_user_id} -ne 4 ]; then
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logger "WORKER: you cannot delete the service user!"
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deny_del="NO"
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for tmp_user_name in $(echo $lock_list | tr "," "\n"); do
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if [ $1 == $tmp_user_name ]; then
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deny_del="YES"
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if [ $deny_del == "NO" ]; then
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logger "WORKER: deleting a user's folder tree..."
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user_tree_delete $1
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if [ $error_trig == "NO" ]; then
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logger "WORKER: deleting a user account..."
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delete_user $1
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check_exists $1
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if [ $user_exists == "NO" ]; then
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logger "WORKER: user account of $1 deleted"
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logger "WORKER: failed to delete account!"
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logger "WORKER: the deletion of this user is blocked!"
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if [ $(whoami) == "root" ]; then
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case "$1" in
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create)
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do_create_user $2
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delete)
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do_delete_user $2
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logger "SELECTOR: unknown command"
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echo "must be run as root!"
