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lib/ldap: Fix LdapConnection::encodeSortRules() 

refs #9364
This commit is contained in:
Eric Lippmann 2015-09-03 17:47:54 +02:00
parent 70a6157631
commit 00e5bbe91c
1 changed files with 17 additions and 16 deletions
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33
library/Icinga/Protocol/Ldap/LdapConnection.php
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@ -910,28 +910,29 @@ class LdapConnection implements Selectable, Inspectable
*
* @param array $sortRules
*
* @return string
* @throws ProgrammingError
*
* @todo Produces an invalid stream, obviously
* @return string Binary representation of the octet stream
*/
protected function encodeSortRules(array $sortRules)
{
if (count($sortRules) > 127) {
throw new ProgrammingError(
'Cannot encode more than 127 sort rules. Only length octets in short form are supported'
);
}
// TODO(el): Indefinite form of length octet
$sequenceOf = '';
$seq = '30' . str_pad(dechex(count($sortRules)), 2, '0', STR_PAD_LEFT);
foreach ($sortRules as $rule) {
$hexdAttribute = unpack('H*', $rule[0]);
$seq .= '3002'
. '04' . str_pad(dechex(strlen($rule[0])), 2, '0', STR_PAD_LEFT) . $hexdAttribute[1]
. '0101' . ($rule[1] === Sortable::SORT_DESC ? 'ff' : '00');
}
$reversed = '0101' . ($rule[1] === Sortable::SORT_DESC ? 'ff' : '00');
return $seq;
$attributeType = unpack('H*', $rule[0]);
$attributeType = $attributeType[1];
$attributeType = '04' . str_pad(dechex(strlen($attributeType) / 2), 2, '0', STR_PAD_LEFT) . $attributeType;
$sequence = '30'
. str_pad(dechex(strlen($attributeType . $reversed) / 2), 2, '0', STR_PAD_LEFT)
. $attributeType
. $reversed;
$sequenceOf .= $sequence;
}
$sequenceOf = '30'
. str_pad(dechex(strlen($sequenceOf) / 2), 2, '0', STR_PAD_LEFT)
. $sequenceOf;
return hex2bin($sequenceOf);
}
/**