mirror of
https://github.com/9001/copyparty.git
synced 2025-08-17 09:02:15 -06:00
69 lines
1.4 KiB
Bash
69 lines
1.4 KiB
Bash
#!/bin/bash
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set -e
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# runs copyparty in a chroot
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#
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# assumption: all items within the following directories are owned by root
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sysdirs=(bin lib lib32 lib64 sbin usr)
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# read arguments
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{
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jail="$1"; shift
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uid="$1"; shift
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gid="$1"; shift
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vols=()
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while true; do
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v="$1"; shift
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[ "$v" = -- ] && break # end of volumes
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[ "$#" -eq 0 ] && break # invalid usage
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vols+=("$v")
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done
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cpp="$1"; shift
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} || {
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echo "usage: ./prisonparty.sh <ROOTDIR> <UID> <GID> [VOLDIR [VOLDIR...]] -- copyparty-sfx.py [...]"
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echo "example: ./prisonparty.sh /var/jail 1000 1000 /mnt/nas/music -- copyparty-sfx.py -v /mnt/nas/music::rwmd"
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exit 1
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}
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# debug/vis
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echo "chroot-dir: [$jail]"
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echo "user:group: [$uid:$gid]"
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echo " copyparty: [$cpp]"
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for v in "${vols[@]}"; do
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echo " mount: [$v]"
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done
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# resolve and remove trailing slash
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jail="$(realpath "$jail")"
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jail="${jail%/}"
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# bind-mount system directories and volumes
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for v in "${sysdirs[@]}" "${vols[@]}"; do
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mkdir -p "$jail/$v"
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mount | grep -qF " on $jail/$v " ||
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mount --bind /$v "$jail/$v"
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done
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# create a tmp
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mkdir -p "$jail/tmp"
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chown -R "$uid:$gid" "$jail/tmp"
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# copy sfx into jail
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cp -pv "$cpp" "$jail/copyparty.py"
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# run copyparty
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/sbin/chroot --userspec=$uid:$gid "$jail" "$(which python3)" /copyparty.py "$@"
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# cleanup if not in use
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lsof "$jail" | grep -qF "$jail" ||
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mount | grep -F " on $jail" | awk '{sub(/ type .*/,"");sub(/.* on /,"");print}' | LC_ALL=C sort -r | tr '\n' '\0' | xargs -r0 umount
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