source3/script/creategroup

   1 #!/bin/sh
   2
   3 # Example script for 'add group command'. Handle weird NT group
   4 # names. First attempt to create the group directly, if that fails
   5 # then create a random group and print the numeric group id.
   6 #
   7 # Note that this is only an example and assumes /dev/urandom.
   8 #
   9 # Volker
  10
  11 GROUPNAME="$1"
  12 ITERS=0
  13
  14 while ! /usr/sbin/groupadd "$GROUPNAME" >/dev/null 2>&1; do
  15         # we had difficulties creating that group. Maybe the name was
  16         # too weird, or it already existed. Create a random name.
  17         GROUPNAME=nt-$(dd if=/dev/urandom bs=16 count=1 2>/dev/null | md5sum | cut -b 1-5)
  18         ITERS=$(expr "$ITERS" + 1)
  19         if [ "$ITERS" -gt 10 ]; then
  20                 # Too many attempts
  21                 exit 1
  22         fi
  23 done
  24
  25 getent group | grep ^"$GROUPNAME": | cut -d : -f 3