mirrors/copyparty
1
0
Fork 0
mirror of https://github.com/9001/copyparty.git synced 2025-08-17 09:02:15 -06:00
Code Issues Actions Packages Projects Releases Wiki Activity

prisonparty: prevent overlapping setup/teardown

Browse source
This commit is contained in:
ed 2023-11-25 14:03:41 +00:00
parent 43d409a5d9
commit 72e355eb2c
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
bin/prisonparty.sh
View file

@ -97,6 +97,7 @@ jail="${jail%/}"
# bind-mount system directories and volumes # bind-mount system directories and volumes
for a in {1..30}; do mkdir "$jail/.prisonlock" && break; sleep 0.1; done
printf '%s\n' "${sysdirs[@]}" "${vols[@]}" | sed -r 's`/$``' | LC_ALL=C sort | uniq | printf '%s\n' "${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" ] || {
@ -110,6 +111,7 @@ while IFS= read -r v; do
mkdir -p "$jail$v" mkdir -p "$jail$v"
mount --bind "$v" "$jail$v" mount --bind "$v" "$jail$v"
done done
rmdir "$jail/.prisonlock" || true
cln() { cln() {
@ -117,6 +119,7 @@ cln() {
wait -f -n $p && rv=0 || rv=$? wait -f -n $p && rv=0 || rv=$?
cd / cd /
echo "stopping chroot..." echo "stopping chroot..."
for a in {1..30}; do mkdir "$jail/.prisonlock" && break; sleep 0.1; done
lsof "$jail" 2>/dev/null | grep -F "$jail" && lsof "$jail" 2>/dev/null | grep -F "$jail" &&
echo "chroot is in use; will not unmount" || echo "chroot is in use; will not unmount" ||
{ {
@ -126,6 +129,7 @@ cln() {
umount "$v" && echo "umount OK: $v" umount "$v" && echo "umount OK: $v"
done done
} }
rmdir "$jail/.prisonlock" || true
exit $rv exit $rv
} }
trap cln EXIT trap cln EXIT