config/chroot_local-hooks/04-change-gids-and-uids

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # Free the fixed GIDs and UIDs we're using.
   6
   7 echo "Change GIDs and UIDs"
   8
   9 Change_uid () {
  10         NAME="$1"
  11         NEW="$2"
  12         OLD="$(getent passwd "$NAME" | awk -F ':' '{print $3}')"
  13
  14         if [ -n "$OLD" ]; then
  15                 echo "Changing UID for $NAME ($OLD -> $NEW)"
  16                 usermod --uid "$NEW" "$NAME"
  17                 find / -wholename /proc -prune -o \( \! -type l -a -uid "$OLD" -exec chown "$NEW" '{}' \; \)
  18         fi
  19 }
  20
  21 Change_gid () {
  22         NAME="$1"
  23         NEW="$2"
  24         OLD="$(getent group "$NAME" | awk -F ':' '{print $3}')"
  25
  26         if [ -n "$OLD" ]; then
  27                 echo "Changing GID for $NAME ($OLD -> $NEW)"
  28                 groupmod --gid "$NEW" "$NAME"
  29                 find / -wholename /proc -prune -o \( \! -type l -a -gid "$OLD" -exec chgrp "$NEW" '{}' \; \)
  30         fi
  31 }
  32
  33
  34 Change_uid tails-persistent-setup 150
  35 Change_gid tails-persistent-setup 150
  36
  37 # Ensure debian-tor's gid remains does not break upgrades (#15695)
  38 Change_gid monkeysphere 151
  39 Change_gid debian-tor 152
  40 Change_gid lpadmin 153
  41 Change_gid vboxsf 154