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
  15 do
  16     # we had difficulties creating that group. Maybe the name was
  17     # too weird, or it already existed. Create a random name.
  18     GROUPNAME=nt-$(dd if=/dev/urandom bs=16 count=1 2>/dev/null | md5sum | cut -b 1-5)
  19     ITERS=$(expr "$ITERS" + 1)
  20     if [ "$ITERS" -gt 10 ]
  21     then
  22         # Too many attempts
  23         exit 1
  24     fi
  25 done
  26
  27 getent group | grep ^"$GROUPNAME": | cut -d : -f 3