useradd.macosx.sh: Update copyright and usage information

[usertools.macosx.git] / useradd.macosx.sh

diff --git a/useradd.macosx.sh b/useradd.macosx.sh
index 0bebb0c3c2a05c5ac5892d3aae8c5077fdc65fa6..1081c796905a41261e063460dac3afd101f8b33f 100755 (executable)
--- a/useradd.macosx.sh
+++ b/useradd.macosx.sh
@@ -1,16 +1,14 @@
 #!/bin/bash
 #
 # useradd.macosx
-# Copyright (c)2008 Barton IT-Consulting, Alexander Barton
+# Copyright (c)2008,2009 Barton IT-Consulting, Alexander Barton
 #
-# 2008-07-28, alex@barton-it.de - R2
-#  - start directory services when not running (e. g. single user mode)
-# 2008-07-28, alex@barton-it.de - R1
-#  - initial version.
+# This is free software; see the source for copying conditions. There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 #
 
 NAME=`basename $0`
-RELEASE="2"
+RELEASE="3"
 
 Abort() {
        [ $# -lt 1 ] \
@@ -20,7 +18,7 @@ Abort() {
 }
 Usage() {
        echo "$NAME (useradd.macosx.sh) release $RELEASE"
-       echo "Copyright (c)2008 Barton IT-Consulting, Alexander Barton (alex@barton-it.de)"
+       echo "Copyright (c)2008,2009 Barton IT-Consulting, Alex Barton (alex@barton-it.de)"
        echo
        echo "This is free software; see the source for copying conditions. There is NO"
        echo "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -111,6 +109,8 @@ done
 [ -n "$home_dir" ] || home_dir="/Users/$user_name"
 [ -n "$shell" ] || shell="/bin/bash"
 
+[ "$UID" -eq 0 ] || Abort "This script must be run as root!"
+
 # Check that directory services are running
 launchctl list 2>/dev/null | fgrep "com.apple.DirectoryServices" >/dev/null 2>&1
 if [ $? -ne 0 ]; then
@@ -126,13 +126,8 @@ fi
 # No user ID given, generate it
 if [ $user_id -lt 0 ]; then
        # search next free user ID
-       declare -i new_id=501
-       id "$new_id" >/dev/null 2>&1
-       while [ $? -eq 0 ]; do
-               new_id=$new_id+1;
-               id "$new_id" >/dev/null 2>&1
-       done
-       user_id=$new_id
+       user_id=`echo $[$(dscl . -list /Users uid | awk '{print $2}' \
+               | sort -n | tail -n1)+1]`
 fi
 
 # Validate user name, user id and group id
@@ -184,4 +179,4 @@ chmod 755 "$home_dir" || Abort
 echo "User '$user_name' ($user_id) has been created."
 exit 0
 
-# -eof-
\ No newline at end of file
+# -eof-