LDAPAccountManager/lam/lib/lamdaemon.pl

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#! /usr/bin/perl
# $Id$
#
# This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
# Copyright (C) 2003 Tilo Lutz
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# LDAP Account Manager daemon to create and delete homedirecotries and quotas
# Drop root Previleges
($<, $>) = ($>, $<);
######################################################
# Configure-Options
# change only variables starting from here
# list of valid admins
@admins = ('cn=Manager,dc=my-domain,dc=com');
$server="127.0.0.1"; # IP or DNS of ldap-server
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$server_port='389'; # Port used from ldap
$server_tls='no'; # Use TLS? ************* Not working yet
$debug=true; # Show debug messages
# Don't change anything below this line
############################################################
use Quota; # Needed to get and set quotas
use Net::LDAP; # Needed to connect to ldap-server
#use strict; # Use strict for security reasons
@quota_grp;
@quota_usr; # Filesystems with enabled userquotas
@vals = @ARGV;
# vals = DN, PAssword, user, home, (add|rem),
# quota, (set|get),(u|g), (mountpoint,blocksoft,blockhard,filesoft,filehard)+
# chown options
$|=1; # Disable buffering
sub get_fs { # Load mountpoints from mtab if enabled quotas
Quota::setmntent();
my $i=0;
my @args;
while (my @temp = Quota::getmntent()) {
$args[$i][0] = $temp[0];
$args[$i][1] = $temp[1];
$args[$i][2] = $temp[2];
$args[$i][3] = $temp[3];
$i++;
}
Quota::endmntent();
my $j=0; my $k=0; $i=0;
while ($args[$i][0]) {
if ( $args[$i][3] =~ m/usrquota/ ) {
$quota_usr[$j][0] = $args[$i][0];
$quota_usr[$j][1] = $args[$i][1];
$quota_usr[$j][2] = $args[$i][2];
$quota_usr[$j][3] = $args[$i][3];
$j++;
}
elsif ( $args[$i][3] =~ m/grpquota/ ) {
$quota_grp[$k][0] = $args[$i][0];
$quota_grp[$k][1] = $args[$i][1];
$quota_grp[$k][2] = $args[$i][2];
$quota_grp[$k][3] = $args[$i][3];
$k++;
}
$i++;
}
}
# ***************** Check values
#if ($debug == true) { print "Input values: @vals\n"; }
foreach my $admin (@admins) { # Check if user is admin
if ($admin eq $vals[0]) { $found=true; }
}
if ($found==true) {
# Connect to ldap-server and check if password is valid.
$ldap = Net::LDAP->new($server, port => $server_port) or die ('Can\'t connect to ldapserver.');
$result = $ldap->bind (dn => $vals[0], password => $vals[1]) ;
$ldap->unbind(); # Close ldap connection.
if (!$result->code) { # password is valid
switch: {
# Get user information
if (($vals[5] eq 'u') || ($vals[3] eq 'home')) { @user = getpwnam($vals[2]); }
else { @user = getgrnam($vals[2]); }
$vals[3] eq 'home' && do {
switch2: {
$vals[4] eq 'add' && do {
# split homedir to set all directories below the last dir. to 755
my $path = $user[7];
$path =~ s,/(?:[^/]*)$,,;
($<, $>) = ($>, $<); # Get root privileges
if (! -e $path) {
system 'mkdir', '-m 755', '-p', $path; # Create paths to homedir
system 'mkdir', '-m 700', $user[7]; # Create himdir itself
system "cp -a /etc/skel/* /etc/skel/.[^.]* $user[7]"; # Copy /etc/sekl into homedir
system 'chown', '-R', "$user[2]:$user[3]" , $user[7]; # Change owner to new user
system '/usr/sbin/useradd.local', $user[0]; # run useradd-script
}
($<, $>) = ($>, $<); # Give up root previleges
last switch2;
};
$vals[4] eq 'rem' && do {
($<, $>) = ($>, $<); # Get root previliges
if (-d $user[7]) {
system 'rm', '-R', $user[7]; # Delete Homedirectory
system '/usr/sbin/userdel.local', $user[0];
}
($<, $>) = ($>, $<); # Give up root previleges
last switch2;
};
}
last switch;
};
$vals[3] eq 'quota' && do {
get_fs(); # Load list of devices with enabled quotas
# Store quota information in array
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@quota_temp1 = split (':', $vals[6]);
$i=0;
while ($quota_temp1[$i]) {
$j=0;
@temp = split (',', $quota_temp1[$i]);
while ($temp[$j]) {
$quota[$i][$j] = $temp[$j];
$j++;
}
$i++;
}
if ($vals[5] eq 'u') { $group=false; } else {
$group=true;
@quota_usr = @quota_grp;
}
switch2: {
$vals[4] eq 'rem' && do {
$i=0;
($<, $>) = ($>, $<); # Get root privileges
while ($quota_usr[$i][0]) {
$dev = Quota::getqcarg($quota_usr[$i][1]);
print "$user[2]\n";
$return = Quota::setqlim($dev,$user[2],0,0,0,0,1,$group);
$i++;
}
($<, $>) = ($>, $<); # Give up root previleges
last switch2;
};
$vals[4] eq 'set' && do {
$i=0;
($<, $>) = ($>, $<); # Get root privileges
while ($quota_usr[$i][0]) {
$dev = Quota::getqcarg($quota[$i][1]);
$return = Quota::setqlim($dev,$user[2],$quota[$i][1],$quota[$i][2],$quota[$i][3],$quota[$i][4],1,$group);
$i++;
}
($<, $>) = ($>, $<); # Give up root previleges
last switch2;
};
$vals[4] eq 'get' && do {
$i=0;
($<, $>) = ($>, $<); # Get root privileges
while ($quota_usr[$i][0]) {
if ($vals[2]ne'+') {
$dev = Quota::getqcarg($quota_usr[$i][1]);
@temp = Quota::query($dev,$user[2],$group);
if ($temp[0]) {
$return = "$quota_usr[$i][1],$temp[0],$temp[1],$temp[2],$temp[3],$temp[4],$temp[5],$temp[6],$temp[7]:$return";
}
else { $return = "$quota_usr[$i][1],0,0,0,0,0,0,0,0:$return"; }
}
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else { $return = "$quota_usr[$i][1],0,0,0,0,0,0,0,0:$return"; }
$i++;
}
($<, $>) = ($>, $<); # Give up root previleges
last switch2;
};
}
last switch;
};
}
}
else { $return = "Invalid Password"; }
}
else { $return = "Invalid User"; }
print "$return\n";