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80 lines
2.0 KiB
80 lines
2.0 KiB
3 years ago
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#!/bin/bash
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# This script turns sysuser.d files into scriptlets mandated by Fedora
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# packaging guidelines. The general idea is to define users using the
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# declarative syntax but to turn this into traditional scriptlets.
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user() {
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user="$1"
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uid="$2"
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desc="$3"
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group="$4"
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home="$5"
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shell="$6"
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[ "$desc" = '-' ] && desc=
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{ [ "$home" = '-' ] || [ "$home" = '' ]; } && home=/
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{ [ "$shell" = '-' ] || [ "$shell" = '' ]; } && shell=/sbin/nologin
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if [ "$uid" = '-' ] || [ "$uid" = '' ]; then
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cat <<EOF
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getent passwd '$user' >/dev/null || \\
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useradd -r -g '$group' -d '$home' -s '$shell' -c '$desc' '$user'
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EOF
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else
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cat <<EOF
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if ! getent passwd '$user' >/dev/null ; then
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if ! getent passwd '$uid' >/dev/null ; then
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useradd -r -u '$uid' -g '$group' -d '$home' -s /sbin/nologin -c '$desc' '$user'
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else
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useradd -r -g '$group' -d '$home' -s /sbin/nologin -c '$desc' '$user'
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fi
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fi
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EOF
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fi
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}
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group() {
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group="$1"
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gid="$2"
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if [ "$gid" = '-' ]; then
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cat <<-EOF
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getent group '$group' >/dev/null || groupadd -r '$group'
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EOF
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else
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cat <<-EOF
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getent group '$group' >/dev/null || groupadd -f -g '$gid' -r '$group'
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EOF
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fi
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}
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parse() {
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while read -r line || [ -n "$line" ] ; do
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{ [ "${line:0:1}" = '#' ] || [ "${line:0:1}" = ';' ]; } && continue
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line="${line## *}"
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[ -z "$line" ] && continue
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eval "arr=( $line )"
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case "${arr[0]}" in
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('u')
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group "${arr[1]}" "${arr[2]}"
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user "${arr[1]}" "${arr[2]}" "${arr[3]}" "${arr[1]}" "${arr[4]}" "${arr[5]}"
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# TODO: user:group support
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;;
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('g')
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group "${arr[1]}" "${arr[2]}"
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;;
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('m')
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group "${arr[2]}" "-"
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user "${arr[1]}" "-" "" "${arr[2]}"
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;;
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esac
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done
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}
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for fn in "$@"; do
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[ -e "$fn" ] || continue
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echo "# generated from $(basename "$fn")"
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parse <"$fn"
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done
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