myvesta/bin/v-get-user-salt
myvesta 7594eed24a
Update v-get-user-salt
tnx @jaapmarcus and HestiaCP
2020-08-30 01:19:30 +02:00

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#!/bin/bash
# info: get user salt
# options: USER [IP] [FORMAT]
#
# The function provides users salt
#----------------------------------------------------------#
# Variable&Function #
#----------------------------------------------------------#
# Argument definition
user=$1
ip=${2-127.0.0.1}
format=${3-shell}
# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf
time_n_date=$(date +'%T %F')
time=$(echo "$time_n_date" |cut -f 1 -d \ )
date=$(echo "$time_n_date" |cut -f 2 -d \ )
# JSON list function
json_list() {
echo '{'
echo ' "'$user'": {
"METHOD": "'$method'",
"SALT": "'$salt'",
"TIME": "'$time'",
"DATE": "'$date'"
}'
echo '}'
}
# SHELL list function
shell_list() {
echo "METHOD: $method"
echo "SALT: $salt"
}
# PLAIN list function
plain_list() {
echo -e "$method\t$salt"
}
# CSV list function
csv_list() {
echo "METHOD,SALT"
echo "$method, $salt"
}
#----------------------------------------------------------#
# Verifications #
#----------------------------------------------------------#
check_args '1' "$#" 'USER [IP] [SALT]'
is_format_valid 'user'
# Checking user
if [ ! -d "$VESTA/data/users/$user" ]; then
echo "Error: password missmatch"
echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
exit 9
fi
#----------------------------------------------------------#
# Action #
#----------------------------------------------------------#
# Parsing user's salt
shadow=$(grep "^$user:" /etc/shadow | cut -f 2 -d :)
if echo "$shadow" | grep -qE '^\$[0-9a-z]+\$[^\$]+\$'
then
salt=$(echo "$shadow" |cut -f 3 -d \$)
method=$(echo "$shadow" |cut -f 2 -d \$)
if [ "$method" -eq '1' ]; then
method='md5'
elif [ "$method" -eq '6' ]; then
method='sha-512'
else
echo "Error: password missmatch"
echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
exit 9
fi
else
salt=${shadow:0:2}
method='des'
fi
if [ -z "$salt" ]; then
echo "Error: password missmatch"
echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
exit 9
fi
# Listing data
case $format in
json) json_list ;;
plain) plain_list ;;
csv) csv_list ;;
shell) shell_list ;;
esac
#----------------------------------------------------------#
# Vesta #
#----------------------------------------------------------#
# Logging
exit