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https://github.com/myvesta/vesta.git
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110 lines
2.8 KiB
Bash
Executable File
110 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# info: check user password
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# options: USER PASSWORD [IP]
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#
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# The function verifies user password from file
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#----------------------------------------------------------#
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# Variable&Function #
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#----------------------------------------------------------#
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# Argument definition
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user=$1
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password=$2; HIDE=2
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ip=${3-127.0.0.1}
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# Includes
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source $VESTA/func/main.sh
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source $VESTA/conf/vesta.conf
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time_n_date=$(date +'%T %F')
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time=$(echo "$time_n_date" |cut -f 1 -d \ )
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date=$(echo "$time_n_date" |cut -f 2 -d \ )
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#----------------------------------------------------------#
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# Verifications #
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#----------------------------------------------------------#
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check_args '2' "$#" 'USER PASSWORD'
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is_format_valid 'user'
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# Checking user
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if [ ! -d "$VESTA/data/users/$user" ] && [ "$user" != 'root' ]; then
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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# Checking user password
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is_password_valid
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# Checking empty password
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if [[ -z "$password" ]]; then
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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#----------------------------------------------------------#
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# Action #
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#----------------------------------------------------------#
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# Parsing user's salt
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shadow=$(grep "^$user:" /etc/shadow | cut -f 2 -d :)
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if echo "$shadow" | grep -qE '^\$[0-9a-z]+\$[^\$]+\$'
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then
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salt=$(echo "$shadow" |cut -f 3 -d \$)
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method=$(echo "$shadow" |cut -f 2 -d \$)
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if [ "$method" -eq '1' ]; then
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method='md5'
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elif [ "$method" -eq '6' ]; then
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method='sha-512'
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else
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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else
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salt=${shadow:0:2}
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method='des'
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fi
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if [ -z "$salt" ]; then
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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# Generating hash
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set -o noglob
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hash=$($BIN/v-generate-password-hash $method $salt <<< "$password")
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if [[ -z "$hash" ]]; then
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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# Checking hash
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result=$(grep "^$user:$hash:" /etc/shadow 2>/dev/null)
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if [[ -z "$result" ]]; then
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echo "Error: password missmatch"
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echo "$date $time $user $ip failed to login" >> $VESTA/log/auth.log
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exit 9
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fi
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#----------------------------------------------------------#
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# Vesta #
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#----------------------------------------------------------#
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# Logging
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echo "$date $time $user $ip successfully logged in" >> $VESTA/log/auth.log
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exit
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