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#!/bin/bash -e
# Copyright (c) 2014, 2017 Luke Shumaker <lukeshu@parabola.nu>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
export PATH
usage() {
printf 'Usage: %s [USERNAME]\n' "${0##*/}"
printf 'A username may only be specified if run as root or @webuser@.\n'
}
main() {
. @pkgconffile@
[[ -e "${WEBDIR}/manage.py" ]]
local REAL_USER=$USER
if ! { [[ $SUID_USER == root ]] || [[ $SUID_USER == @webuser@ ]]; }; then
unset SUDO_USER SUDO_UID SUDO_GID SUDO_COMMAND
fi
# The use-cases I want to handle:
# REAL SUID SUDO | NAME_OF others?
# user$ changepassword root user - | user no
# user$ sudo changepassword root root user | user yes
# user$ sudo -u web changepassword root web user | user yes
# web$ changepassword root web - | web yes
# root# changepassword root root - | root yes
# user$ /lib/.../changepasswoed user - - | user no
local NAME_OF=${SUDO_USER:-${SUID_USER:-$REAL_USER}}
local PERM_OF=${SUID_USER:-$REAL_USER}
local username
if [[ $PERM_OF == root ]] || [[ $PERM_OF == @webuser@ ]]; then
if [[ $# -gt 1 ]]; then
usage >&2
return 1
fi
username=${1:-$NAME_OF}
else
if [[ $# -gt 0 ]]; then
usage >&2
return 1
fi
username=$NAME_OF
fi
sudo -u @webuser@ python2 "${WEBDIR}/manage.py" changepassword "${username}"
}
main "$@"
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