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-rwxr-xr-x | localaddsmtpuser | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/localaddsmtpuser b/localaddsmtpuser new file mode 100755 index 0000000..53f2c30 --- /dev/null +++ b/localaddsmtpuser @@ -0,0 +1,33 @@ +#!/bin/sh +# +# Copyright © 2015, Jonas Smedegaard <dr@jones.dk> +# Description: Setup SMTP sub-account for use e.g. with nullmailer +# +# 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 3, 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/>. +# + +set -e + +exit1() { + echo >&2 "ERROR: $1" + exit 1 +} + +echo "$1" | grep -q '^[a-z][a-z0-9]*$' || exit1 "Illegal character in base username!" +getent passwd "$1" >/dev/null || exit1 "Base username \"$1\" does not exist!" + +user="$1-smtp" +desc="SMTP sub-account for $1" + +adduser --force-badname --no-create-home --shell /bin/false --gecos "$desc" "$user" |