mirror of
https://github.com/ovh/the-bastion.git
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128 lines
2.9 KiB
Bash
Executable file
128 lines
2.9 KiB
Bash
Executable file
#! /usr/bin/env bash
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# vim: set filetype=sh ts=4 sw=4 sts=4 et:
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set -e
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basedir=$(readlink -f "$(dirname "$0")"/../..)
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# shellcheck source=lib/shell/functions.inc
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. "$basedir"/lib/shell/functions.inc
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MINGID=10000
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if [ -n "$2" ] || [ -z "$1" ] ; then
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echo "Usage: $0 <groupname|ALL>"
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exit 2
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fi
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fail()
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{
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echo "Error, will not proceed: $*"
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exit 1
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}
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really_run_commands=0
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something_to_do=0
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_run()
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{
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something_to_do=1
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if [ "$really_run_commands" = "1" ] ; then
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echo "Executing: $*"
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read -r ___
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"$@"
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else
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echo "DRY RUN: would execute: $*"
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fi
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}
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find_next_available_gid()
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{
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nextgid=$((MINGID + 1))
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while getent group "$nextgid" >/dev/null; do
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nextgid=$((nextgid + 1))
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done
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echo $nextgid
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}
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change_gid()
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{
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group="$1"
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type="$2"
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maingroup=$(echo "$group" | sed -re 's/-(aclkeeper|gatekeeper|owner)//g')
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if [ "$type" != secondary ]; then
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getent passwd "$group" >/dev/null || fail "user $group doesn't exist"
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fi
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if [ "$type" != secondary ]; then
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getent group "$group" >/dev/null || fail "group $group doesn't exist"
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else
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getent group "$group" >/dev/null || return
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fi
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oldgid=$(getent group "$group" | awk -F: '{print $3}')
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[ "$oldgid" -ge "$MINGID" ] && return
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newgid=$(find_next_available_gid)
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_run group_change_gid_compat "$group" "$newgid"
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tocheck=""
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for dir in "/home/$group" "/home/keykeeper/$group" "/home/$maingroup" "/home/keykeeper/$maingroup"; do
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test -d "$dir" && tocheck="$tocheck $dir"
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done
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if [ -n "$tocheck" ]; then
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# shellcheck disable=SC2086
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_run find $tocheck -gid "$oldgid" -exec chgrp "$group" '{}' \;
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fi
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if command -v getfacl >/dev/null && command -v setfacl >/dev/null; then
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( cd / ; _run sh -c "getfacl /home/$maingroup 2>/dev/null | sed -re 's/:$oldgid:/:$group:/' | setfacl --restore=-" )
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fi
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}
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batchrun()
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{
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something_to_do=0
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change_gid "key$from"
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change_gid "key$from-gatekeeper" secondary
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change_gid "key$from-aclkeeper" secondary
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change_gid "key$from-owner" secondary
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}
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main()
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{
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from=$(echo "$from" | sed -re 's/^key//')
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if [ "$from" = "keeper" ] || [ "$from" = "reader" ]; then
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echo "$from: special group, skipping."
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return
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fi
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really_run_commands=0
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batchrun
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if [ "$something_to_do" = 0 ]; then
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echo "$from: nothing to do."
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return
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fi
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echo
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echo "$group: OK to proceed ? (CTRL+C to abort). You'll still have to validate each commands I'm going to run"
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# shellcheck disable=SC2034
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read -r ___
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really_run_commands=1
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batchrun
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echo "$group: done."
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}
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if [ "$1" = "ALL" ]; then
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groups=$(getent group | grep "^key" | cut -d: -f1 | grep -Ev -- '-(aclkeeper|gatekeeper|owner)$')
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for from in $groups
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do
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main
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done
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else
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from="$1"
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main
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fi
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