97 lines
2.9 KiB
Bash
Executable File
97 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# _____ _ _
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# | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
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# | __| _| -_| -_| . | . | | . | . | | -_|
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# |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___|
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#
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# Freedom in the Cloud
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#
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# Password functions
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#
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# License
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# =======
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#
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# Copyright (C) 2014-2018 Bob Mottram <bob@freedombone.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# If this file exists it contains a global password used with
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# disk image installs. This simplifies password management for
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# deployment at scale
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IMAGE_PASSWORD_FILE=/root/login.txt
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# Minimum number of characters in a password
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MINIMUM_PASSWORD_LENGTH=10
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# The default password length used in images
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DEFAULT_PASSWORD_LENGTH=20
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function passwords_select_user {
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SELECTED_USERNAME=
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# shellcheck disable=SC2207
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users_array=($(ls /home))
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delete=(git)
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# shellcheck disable=SC2068
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for del in ${delete[@]}
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do
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# shellcheck disable=SC2206
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users_array=(${users_array[@]/$del})
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done
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i=0
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W=()
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name=()
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# shellcheck disable=SC2068
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for u in ${users_array[@]}
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do
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if [[ $(is_valid_user "$u") == "1" ]]; then
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i=$((i+1))
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W+=("$i" "$u")
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name+=("$u")
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fi
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done
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if [ $i -eq 1 ]; then
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SELECTED_USERNAME="${name[0]}"
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else
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# shellcheck disable=SC2068
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user_index=$(dialog --backtitle $"Freedombone Control Panel" --title $"Select User" --menu $"Select one of the following:" 24 40 17 ${W[@]} 3>&2 2>&1 1>&3)
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# shellcheck disable=SC2181
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if [ $? -eq 0 ]; then
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# shellcheck disable=SC2034
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SELECTED_USERNAME="${name[$((user_index-1))]}"
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fi
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fi
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}
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function enforce_good_passwords {
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# because humans are generally bad at choosing passwords
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if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
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return
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fi
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apt-get -yq install libpam-cracklib
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sed -i 's/password.*requisite.*pam_cracklib.so.*/password required pam_cracklib.so retry=2 dcredit=-1 ucredit=-1 ocredit=0 lcredit=0 minlen=10 reject_username/g' /etc/pam.d/common-password
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mark_completed "${FUNCNAME[0]}"
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}
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function create_password {
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openssl rand -base64 32 | tr -dc A-Za-z0-9 | head -c "${1}" ; echo -n ''
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}
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# NOTE: deliberately no exit 0
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