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<?
// $Id: common.inc,v 1.5 2002/08/13 12:20:21 tis Exp $
// common functions used by dns and portal-admin
function connect_ldap()
{
global $ldap, $binddn, $LDAPHOST, $BINDBASE, $BINDUID, $PHP_AUTH_USER, $PHP_AUTH_PW;
$binddn = "$BINDUID=$PHP_AUTH_USER,$BINDBASE";
$ldap = ldap_connect($LDAPHOST);
if ($ldap) {
if (!$PHP_AUTH_PW || !@ldap_bind($ldap, $binddn, $PHP_AUTH_PW)) {
header("WWW-Authenticate: Basic realm=\"Bind to 1 ldap://$LDAPHOST/$binddn\"");
header("HTTP/1.0 401 Unauthorized");
exit;
}
} else {
die("Unable to connect to LDAP host: $LDAPHOST");
}
}
function error_confirm($errmsg)
{
print "<CENTER><BR><h2><FONT color='red'>$errmsg</FONT></h2><BR>\n";
log_action("error: ".$errmsg);
}
function log_action($errmsg)
{
global $LOGFILE, $REMOTE_ADDR, $PHP_AUTH_USER;
$fd = fopen("$LOGFILE", "a");
fwrite($fd, "[".date("H:i:s d/M/Y")."] $PHP_AUTH_USER@$REMOTE_ADDR $errmsg\n");
fclose($fd);
}
# Use this function to determine contraints on objects and returns a set
# of characters with the following meaning:
# o: binddn owns the object
# a: binddn is administrator
# m: binddn is member
function check_constraint($dn = "")
{
global $ldap, $binddn, $BASEDN;
$result = "";
$num_owners = 0;
if (strlen($dn)>0) {
// get owners for this object
$query = ldap_read($ldap, $dn, "(objectclass=*)", array("owner"));
$entries = ldap_get_entries($ldap, $query);
ldap_free_result($query);
$num_owners = $entries[0][owner][count];
for ($i = 0; $i<$num_owners; $i++) {
if ($entries[0][owner][$i]==$binddn) {
$result .= "o";
$num_owners = 0;
}
}
}
// get administrators for BASEDN
$query = ldap_read($ldap, $BASEDN, "(objectclass=*)", array("administrator", "member"));
$entries = ldap_get_entries($ldap, $query);
ldap_free_result($query);
for ($i = 0; $i<$entries[0][administrator][count]; $i++) {
if ($entries[0][administrator][$i]==$binddn) {
$result .= "a";
break;
}
}
if ($num_owners==0) {
// only objects owned by nobody except binddn are granted to members
for ($i = 0; $i<$entries[0][member][count]; $i++) {
if ($entries[0][member][$i]==$binddn) {
$result .= "m";
break;
}
}
}
print "<!-- dn: $dn constraint: $result -->";
return $result;
}
?>
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