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prisonparty: support running from src

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ed 2022-01-17 00:24:40 +00:00
parent ed69d42005
commit c9ffead7bf
1 changed files with 45 additions and 18 deletions
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59
bin/prisonparty.sh Normal file → Executable file
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@ -11,10 +11,16 @@ sysdirs=( /bin /lib /lib32 /lib64 /sbin /usr )
help() { cat <<'EOF' help() { cat <<'EOF'
usage: usage:
./prisonparty.sh <ROOTDIR> <UID> <GID> [VOLDIR [VOLDIR...]] -- copyparty-sfx.py [...]" ./prisonparty.sh <ROOTDIR> <UID> <GID> [VOLDIR [VOLDIR...]] -- python3 copyparty-sfx.py [...]"
example: example:
./prisonparty.sh /var/lib/copyparty-jail 1000 1000 /mnt/nas/music -- copyparty-sfx.py -v /mnt/nas/music::rwmd" ./prisonparty.sh /var/lib/copyparty-jail 1000 1000 /mnt/nas/music -- python3 copyparty-sfx.py -v /mnt/nas/music::rwmd"
example for running straight from source (instead of using an sfx):
PYTHONPATH=$PWD ./prisonparty.sh /var/lib/copyparty-jail 1000 1000 /mnt/nas/music -- python3 -um copyparty -v /mnt/nas/music::rwmd"
note that if you have python modules installed as --user (such as bpm/key detectors),
you should add /home/foo/.local as a VOLDIR
EOF EOF
exit 1 exit 1
@ -35,10 +41,20 @@ while true; do
vols+=( "$(realpath "$v")" ) vols+=( "$(realpath "$v")" )
done done
pybin="$1"; shift pybin="$1"; shift
pybin="$(realpath "$pybin")" pybin="$(command -v "$pybin")"
pyarg=
while true; do
v="$1"
[ "${v:0:1}" = - ] || break
pyarg="$pyarg $v"
shift
done
cpp="$1"; shift cpp="$1"; shift
[ -d "$cpp" ] && cppdir="$PWD" || {
# sfx, not module
cpp="$(realpath "$cpp")" cpp="$(realpath "$cpp")"
cppdir="$(dirname "$cpp")" cppdir="$(dirname "$cpp")"
}
trap - EXIT trap - EXIT
@ -60,11 +76,10 @@ echo
# remove any trailing slashes # remove any trailing slashes
jail="${jail%/}" jail="${jail%/}"
cppdir="${cppdir%/}"
# bind-mount system directories and volumes # bind-mount system directories and volumes
printf '%s\n' "${sysdirs[@]}" "${vols[@]}" | LC_ALL=C sort | printf '%s\n' "${sysdirs[@]}" "${vols[@]}" | sed -r 's`/$``' | LC_ALL=C sort | uniq |
while IFS= read -r v; do while IFS= read -r v; do
[ -e "$v" ] || { [ -e "$v" ] || {
# printf '\033[1;31mfolder does not exist:\033[0m %s\n' "/$v" # printf '\033[1;31mfolder does not exist:\033[0m %s\n' "/$v"
@ -72,6 +87,7 @@ while IFS= read -r v; do
} }
i1=$(stat -c%D.%i "$v" 2>/dev/null || echo a) i1=$(stat -c%D.%i "$v" 2>/dev/null || echo a)
i2=$(stat -c%D.%i "$jail$v" 2>/dev/null || echo b) i2=$(stat -c%D.%i "$jail$v" 2>/dev/null || echo b)
# echo "v [$v] i1 [$i1] i2 [$i2]"
[ $i1 = $i2 ] && continue [ $i1 = $i2 ] && continue
mkdir -p "$jail$v" mkdir -p "$jail$v"
@ -79,21 +95,32 @@ while IFS= read -r v; do
done done
cln() {
rv=$?
# cleanup if not in use
lsof "$jail" | grep -qF "$jail" &&
echo "chroot is in use, will not cleanup" ||
{
mount | grep -F " on $jail" |
awk '{sub(/ type .*/,"");sub(/.* on /,"");print}' |
LC_ALL=C sort -r | tee /dev/stderr | tr '\n' '\0' | xargs -r0 umount
}
exit $rv
}
trap cln EXIT
# create a tmp # create a tmp
mkdir -p "$jail/tmp" mkdir -p "$jail/tmp"
chmod 777 "$jail/tmp" chmod 777 "$jail/tmp"
# run copyparty # run copyparty
/sbin/chroot --userspec=$uid:$gid "$jail" "$pybin" "$cpp" "$@" && rv=0 || rv=$? export HOME=$(getent passwd $uid | cut -d: -f6)
export USER=$(getent passwd $uid | cut -d: -f1)
export LOGNAME="$USER"
#echo "pybin [$pybin]"
#echo "pyarg [$pyarg]"
#echo "cpp [$cpp]"
chroot --userspec=$uid:$gid "$jail" "$pybin" $pyarg "$cpp" "$@"
# cleanup if not in use
lsof "$jail" | grep -qF "$jail" &&
echo "chroot is in use, will not cleanup" ||
{
mount | grep -qF " on $jail" |
awk '{sub(/ type .*/,"");sub(/.* on /,"");print}' |
LC_ALL=C sort -r | tee /dev/stderr | tr '\n' '\0' | xargs -r0 umount
}
exit $rv