#!/usr/local/bin/perl

#  Copyright (c) 1994 GB Data Consulting
#  All rights reserved.
#  VERSION 0.8 BETA 
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. The name of the Author may not be used to endorse or promote products 
#     derived from this software without specific prior written permission.
#  4. This license extends only to beta and network distributed versions.
#     All even number versions are non-network.
#  THIS SOFTWARE IS PROVIDED BY GB DATA AND CONTRIBUTORS ``AS IS'' AND
#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED.  IN NO EVENT SHALL GB DATA OR CONTRIBUTORS BE LIABLE
#  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
#  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
#  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
#  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF    
#  SUCH DAMAGE.

# You will need to define these if you wish to have defaults or use
# that function.

$defgroupid = 30;               # Default ID
$defusrdir = "\/usr\/u";        # Default User Dir 
$usequota = "";                 # Use quotas 
$usemail = "";                  # Use mailings
$mailfile = "";                 # File to use with mailings 
$userdefshell = "\/bin\/csh";   # Default user shell 
$useforward = "";                # Use a forward file 
$protouser= "";                 # Prototypical user for quotas

# Start getting information and print a banner

print "                                 AddIt\n";
print "             A system utility for adding users with defaults\n";
print "                     Copyright 1994 GB Data Consulting\n";
print "\n\n";

#
# User ID
#

print "Please enter the login name of the user: ";
chop ($userlogin = <STDIN>);
print "Please enter the user id or hit enter for the next id: ";
chop ($userid = <STDIN>);

if (!$userid) {
     open (USERID, "+<userids");
     chop ($xxuserid = <USERID>);
     $userid = $xxuserid + 1;
     close USERID;
     open (USERID, "+>userids");
     print (USERID "$userid\n");
     close USERID;
   }

#
# Group ID
#

print "Please enter the group id or hit enter for the default id: ";
chop ($groupid = <STDIN>);

if (!$groupid) {
$groupid = "$defgroupid";
}

#
#  User name
#

print "Please enter the user's name: ";
chop ($username = <STDIN>);

#
# Home directory
#

print "Please enter the users home directory or hit enter for default: ";
chop ($userdir = <STDIN>);

if (!$userdir) {
	$userdir = "$defusrdir\/$userlogin";
	print "$userdir\n";
}

#
# Login Shell
#

print "Please enter the users login shell or hit enter for default: ";
chop ($usershell = <STDIN>);

if (!$usershell) {
	$usershell = "$userdefshell";
	print "$usershell\n";
}

#
# Create password file entry
#

print "Opening and locking passwd file in blocking mode.\n";
open (PASS, '>>/etc/master.passwd');
flock (PASS, 2) || die "Can't lock passwd file, must be in use!!\n";
print (PASS "$userlogin::$userid:$groupid::0:0:$username,,,:$userdir:$usershell\n");
print "Unlocking and closing password file\n";
flock (PASS,8);
close PASS;
print "Re-indexing password databases\n";
system 'pwd_mkdb -p /etc/master.passwd';
system "passwd $userlogin";

#
# Create user directory
#
print "Creating user directory\n";
if (! -e $defusrdir)
   {
    print "$defusrdir does not exist, exiting!\n";
    exit;
   }
system "mkdir $userdir";
if (! -e $userdir)
   {
   print "$userdir does not exist!!\n";
   print "This may be due to a parent dir not being there...\n";
   exit; 
   }

print "Copying user shell files\n";
system "cp dot.login $userdir\/\.login";
system "cp dot.profile $userdir\/\.profile";

if ($usershell eq "\/bin\/csh" || $usershell eq "\/usr\/local\/bin\/tcsh")
   {
   system "cp dot.cshrc $userdir\/.cshrc";
   }
system  "chmod -R 654 $userdir";
system  "chown -R $userid.$groupid $userdir";

#
# Mailings
#
if ($usemail) 
   {
   print "Mailing new user notice\n";
   system "elm \-s \"New User Mailing\" $userid $mailfile";
   }

#
# Quotas
#
if ($usequota)
   {
  print "Editing quotas for user $userlogin\n";
  if ($protouser) {
     system "edquota -u -p $protouser $userlogin";
  } else {
     system "edquota -u $userlogin";
  }
}

#
# Forward files
#
if ($useforward)
   {
   print "Please enter the name of the account to forward to:";
   chop ($account = <STDIN>);
   if (!$account)
      {
      $acc = $defaccount;
      }
   else
      {
      $acc = $account;
      }
   print "Please enter the name of the system to forward to:";
   chop ($system = <STDIN>);
   if (!$system)
      {
      $sys = $defsystem;
      }
   else 
      {
      $sys = $system; 
      }
   print "Creating \.forward file for user $userlogin\n"; 
   open (FORWARD, ">$userdir\/\.forward");
   print (FORWARD "$acc@$sys\n");
   close FORWARD;
   system "chown $userid\.$groupid $userdir\/\.forward";
}

#
# Print out information used in creation of this account
#
print "\n\n";
print "Information used to create this account follows.\n";
print "\n";
print "Login Name:      $userlogin\n";
print "UserId:          $userid\n";
print "GroupId:         $groupid\n";
print "UserName:        $username\n";
print "HomeDir:         $userdir\n";
print "Shell:           $usershell\n";
if ($usemail) 
   {
   $mailyn = "Using mailing";
   }
else
   {
   $mailyn = "Not using mailing";
   }
print "Mailing:         $mailyn\n";
if ($usequota)
   {
   $quotayn = "Using quotas";
   }
else
   {
   $quotayn = "Not using quotas";
   }
print "Quotas:          $quotayn\n";
if ($useforward)
   {
   $forwardyn = "forwarded to $acc@$sys";
   }
else 
   {
   $forwardyn = "Not using forward file";
   }
print "ForwardFile:      $forwardyn\n";
print "\nDONE\n\n";