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Gh18902 #18903

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57871b0
Fixed GH-18902: ldap_exop/ldap_exop_sync assert triggered on empty re…
devnexen Jun 22, 2025
07b0dec
changes from feedback
devnexen Jun 22, 2025
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7 changes: 6 additions & 1 deletion ext/ldap/ldap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4036,7 +4036,12 @@ static void php_ldap_exop(INTERNAL_FUNCTION_PARAMETERS, bool force_sync) {
LDAPControl **lserverctrls = NULL;
int rc, msgid;

if (zend_parse_parameters(ZEND_NUM_ARGS(), "OS|S!a!zz", &link, ldap_link_ce, &reqoid, &reqdata, &serverctrls, &retdata, &retoid) != SUCCESS) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "OP|S!a!zz", &link, ldap_link_ce, &reqoid, &reqdata, &serverctrls, &retdata, &retoid) != SUCCESS) {
RETURN_THROWS();
}

if (ZSTR_LEN(reqoid) == 0) {
zend_argument_value_error(2, "must not be empty");
RETURN_THROWS();
}

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30 changes: 30 additions & 0 deletions ext/ldap/tests/gh18902.phpt
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@@ -0,0 +1,30 @@
--TEST--
GH-17704 (ldap_search fails when $attributes contains a non-packed array with numerical keys)
--EXTENSIONS--
ldap
--FILE--
<?php
$conn = ldap_connect();

try {
ldap_exop($conn,"\0");
} catch (\ValueError $e) {
echo $e->getMessage(), PHP_EOL;
}

try {
ldap_exop_sync($conn,"");
} catch (\ValueError $e) {
echo $e->getMessage(), PHP_EOL;
}

try {
ldap_exop_sync($conn,"test\0");
} catch (\ValueError $e) {
echo $e->getMessage(), PHP_EOL;
}
?>
--EXPECTF--
ldap_exop(): Argument #2 ($request_oid) must not contain any null bytes
ldap_exop_sync(): Argument #2 ($request_oid) must not be empty
ldap_exop_sync(): Argument #2 ($request_oid) must not contain any null bytes
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