forked from pool/sysuser-tools
124 lines
2.8 KiB
Bash
124 lines
2.8 KiB
Bash
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#!/bin/sh
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set -e
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# Print the command and run it
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run() {
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echo "$@"
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"$@"
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}
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if [ -x /usr/bin/systemd-sysusers ] && [ -e /proc/version ]; then
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if [ -n "$1" ] && [ "$1" != "%3" ]; then
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REPLACE_ARG="--replace=/usr/lib/sysusers.d/$1" ||:
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fi
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# Use systemd-sysusers and let it read the input directly from stdin
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run /usr/bin/systemd-sysusers $REPLACE_ARG -
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else
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# Absolute path to busybox, if found
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busybox=
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for i in /bin/busybox /usr/bin/busybox; do [ -x "$i" ] && busybox=$i; done
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while read LINE
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do
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# "eval set" to do proper splitting while respecting quotes
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eval set -- $LINE
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case "${1-}" in
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\#*|"")
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;;
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g)
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shift
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ARGUMENTS="$1"
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if [ -n "${2-}" ] && [ "$2" != "-" ]; then
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ARGUMENTS="-g $2 $ARGUMENTS"
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fi
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if ! /usr/bin/getent group "$1" >> /dev/null; then
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if [ -x "/usr/sbin/groupadd" ]; then
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run /usr/sbin/groupadd -r $ARGUMENTS
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elif [ -x "$busybox" ]; then
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run $busybox addgroup -S $ARGUMENTS
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else
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echo "ERROR: neither groupadd nor busybox found!"
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exit 1
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fi
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fi
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;;
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u)
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shift
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ARGUMENTS="$1"
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if /usr/bin/getent passwd "$1" >> /dev/null; then
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continue
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fi
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# Split user and Group id. Must work with busybox sh.
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case $2 in
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(*:*) USER_ID=${2%:*} GROUP_ID=${2##*:};;
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(*) USER_ID=$2 GROUP_ID="";;
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esac
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if [ -n "$USER_ID" ] && [ "$USER_ID" != "-" ]; then
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ARGUMENTS="-u $USER_ID $ARGUMENTS"
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fi
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homedir="/" # If null, empty or '-'
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if [ "${4:--}" != "-" ]; then
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homedir="$4"
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fi
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# Set shell only if not null, empty nor '-'
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if [ "${5:--}" != "-" ]; then
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ARGUMENTS="$ARGUMENTS -s $5"
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else
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ARGUMENTS="$ARGUMENTS -s /usr/sbin/nologin"
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fi
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if [ -x /usr/sbin/useradd ]; then
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if [ -n "$GROUP_ID" ] && [ "$GROUP_ID" != "-" ]; then
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ARGUMENTS="-g $GROUP_ID $ARGUMENTS"
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else
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# this is useradd/shadow specific
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if /usr/bin/getent group "$1" >> /dev/null; then
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ARGUMENTS="-g $1 $ARGUMENTS"
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else
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ARGUMENTS="-U $ARGUMENTS"
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fi
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fi
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run /usr/sbin/useradd -r -c "$3" -d "${homedir}" $ARGUMENTS
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elif [ -x "$busybox" ]; then
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if [ -n "$GROUP_ID" ] && [ "$GROUP_ID" != "-" ]; then
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run $busybox adduser -S -H -g "$3" -G "GROUP_ID" -h "${homedir}" $ARGUMENTS
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else
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/usr/bin/getent group "$1" >> /dev/null || $busybox addgroup -S "$1"
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run $busybox adduser -S -H -g "$3" -G "$1" -h "${homedir}" $ARGUMENTS
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fi
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else
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echo "ERROR: neither useradd nor busybox found!"
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exit 1
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fi
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;;
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m)
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shift
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if [ -x /usr/sbin/usermod ] ; then
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run /usr/sbin/usermod -a -G "$2" "$1"
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elif [ -x "$busybox" ]; then
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run $busybox addgroup "$1" "$2"
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else
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echo "ERROR: neither usermod nor busybox found!"
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exit 1
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fi
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;;
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r)
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echo "range option ignored: \"$LINE\""
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;;
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*)
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echo "Syntax Error: \"$LINE\""
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exit 1
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;;
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esac
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done
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fi
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