55 lines
1.9 KiB
Bash
Executable File
55 lines
1.9 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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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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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) 2014-2016 Bob Mottram <bob@robotics.uk.to>
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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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function enforce_good_passwords {
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# because humans are generally bad at choosing passwords
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if grep -Fxq "enforce_good_passwords" $COMPLETION_FILE; then
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return
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fi
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apt-get -y install libpam-cracklib
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sed -i 's/password.*requisite.*pam_cracklib.so.*/password required pam_cracklib.so retry=2 dcredit=-4 ucredit=-1 ocredit=-1 lcredit=0 minlen=10 reject_username/g' /etc/pam.d/common-password
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echo 'enforce_good_passwords' >> $COMPLETION_FILE
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}
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function create_password {
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echo "$(openssl rand -base64 32 | cut -c1-${1})"
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}
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# NOTE: deliberately no exit 0
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