toolbox/remove-user.sh

   1 #!/bin/sh
   2
   3 . @basedir@/shlib.sh
   4
   5 if [ -z "$1" ]; then
   6         echo "Syntax: ./remove-user.sh <username>"
   7         exit 1
   8 fi
   9 ETC="$cfg_chroot/etc"
  10 COUNT=`grep -E -c "^$1:" $ETC/passwd`
  11 if [ "$COUNT" -ne "1" ]; then
  12         echo "fatal: user '$1' doesn't appear to exist (or exists multiple times, or contains regexpy characters)."
  13         exit 1
  14 fi
  15 GROUPS=`sed -rn '/[,:]'$1'(,|$)/ s/:.*$// p' $ETC/group`
  16 if [ "$GROUPS" ]; then
  17         echo "User '$1' is still part of these groups:" $GROUPS
  18         echo "fatal: this simplistic script cannot remove users from groups."
  19         exit 1
  20 fi
  21 sed -i "/^$1:/ d" $ETC/passwd
  22 rm $ETC/sshkeys/$1
  23 echo "User (+SSH key) removed."