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|
#!/usr/bin/perl
#
#auth.pl version 1.1
#global variables:
#$uid= userid of logged in user
#param('pass1')= new password
#param('pass2')= verification of new password
#param('authuser') = id of user to change password for (if $uid is manager)
#$ismanager=set to true if logged in user is Cyrus imap manager uid
#required functions for a generic auth.pl
# &auth_changepass - returns 0 for success
# &auth_getuserserver - returns a server name or 0;
use Net::LDAP;
use Net::LDAP::Util qw(ldap_error_text);
$useauth=1;
$LDAP_SERVER='localhost';
$LDAP_BASEDN='o=toshiba of canada,c=ca';
$ENCRYPT_PASS=1;
sub auth_disconnect {
$ld->unbind if $ld;
undef ($ld);
}
sub auth_getdn {
my ($uid)=@_;
# Since we've entered our UID, not our CN, we must first find the DN of a
# person who matches the UID in $ldap_bind_uid
@attrs = ();
$filter = "(uid=$uid)";
$result=$ld->search(base=>$LDAP_BASEDN,scope=>"sub",filter=>$filter,attrs=>\@attrs);
if ($result->code)
{
$ld->unbind;
return -1;
}
# Obtain a pointer to the first entry matching our query. We are making the
# assumption that since UID means Unique ID that this is the only time we
# need to do this.
@entries=$result->entries;
$ent=$entries[0];
if ($ent )
{
# We only need the DN from the entry we matched.
$dn = $ent->dn;
return $dn;
}
return 0;
}
sub auth_connect {
my ($mode)=@_;
# First initialize our connection to the LDAP Server and bind anonymously.
$ld = Net::LDAP->new($LDAP_SERVER) or die "$@";
$mesg=$ld->bind;
if ($mesg->code)
{
print "Error: Unable to Bind Anonymously to the Directory.",p;
print "bind_s: " . ldap_error_text($mesg->code) . "\n";
$ld->unbind;
return -1;
}
$dn=&auth_getdn($uid);
# Attempt to bind with the DN and Password supplied previously.
$mesg=$ld->bind($dn,password=>$pass);
if ($mesg->code)
{
$ld->unbind;
print "Error binding to $dn!!!";
return -1; # Return Failure
}
return 0; # Return Success
}
sub auth_getuserserver {
# Get the mail server address for imap
my $err=&auth_connect;
if ($err<0) {
$err='';
&auth_disconnect;
return 1 ;
}
$err='';
my (@mra)=$ent->get_value("mailroutingaddress");
if ($mra[0]) {
$imapserver=$mra[0];
}
if ($imapserver) {
&auth_disconnect;
return $imapserver;
}
else {
&auth_disconnect;
return '';
}
}
sub encrypt {
my ($pass1)=@_;
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
# Seeding with time and proccess id is not normally recommended, but we're
# only generating the salt, not the password.
srand( time() ^ ($$ + ($$ << 15)) );
$salt = "";
for ($i = 0; $i <2; $i++)
{
$saltno = int rand length($chars);
$mychar = substr($chars,$saltno,1);
$salt = $salt . $mychar;
}
$pass1 = "{CRYPT}".crypt $pass1, $salt;
return $pass1;
}
sub auth_changepass {
# Lets Check the Password... If non-empty, encrypt and add to %ldapmod
my $err;
my $pass1 = param("pass1");
my $pass2 = param("pass2");
my $authuser = param('authuser');
param('pass1','');
param('pass2','');
param('authuser','');
if (!$pass1 && !$pass2) {return 0;}
if ($pass1 eq "" || $pass2 eq "")
{
return 0;
} else {
if ($pass1 eq $pass2)
{
# Encrypt as necessary...
if ($ENCRYPT_PASS == 1)
{
$pass1=&encrypt($pass1);
}
$ldapmod{'userPassword'} = $pass1;
print p,"<b>Warning:</b> You must login with your new password by clicking <a href=" . $program_url . "?op=login>HERE</a>\n",p if !$authuser;
} else {
print p,"<b>Warning:</b> Passwords Did Not Match...Not Changed...\n",p;
return 1;
}
}
# Perform a synchronous MODIFY operation on our $dn
@change_keys = keys %ldapmod;
if ($#change_keys >= 0)
{
if (&auth_connect<0) {
print "<b>Password change:</b> Unable to bind to Ldap server...\n",p;
print "Ldap error: ".ldap_error_text($mesg->code) . "\n";
exit;
}
if ($authuser) {
$dn=&auth_getdn($authuser);
if (!$dn) {
$err= "<b>Password change:</b> $authuser does not exist in directory<br>";
}
}
$result=$ld->modify($dn,replace=>{%ldapmod}) if !$err;
if ($result->code)
{
$err= "Password change for $dn: Unable to Modify Entry...\n",br;
print "Ldap Error: ".ldap_error_text($result->code) . "\n";
}
}
&auth_disconnect;
if (!$err) {
print "<b>Password Modified...</b>\n";
exit if (!$authuser);
return 0;
}
else {
print p,$err;
return 1 ;
}
}
1;
|
