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mirror of https://github.com/vrana/adminer.git synced 2025-08-17 20:01:25 +02:00

Fix long SQL query crash (bug #2839231)

Remove regular expression double repetition

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@982 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
2009-08-19 17:10:06 +00:00
parent bd52f2a527
commit 26c9d64bfd
9 changed files with 16 additions and 14 deletions

View File

@@ -301,7 +301,7 @@ class Adminer {
function selectOrderProcess($fields, $indexes) {
$return = array();
foreach ((array) $_GET["order"] as $key => $val) {
if (isset($fields[$val]) || preg_match('~^[A-Z0-9_]+\\(`(?:[^`]+|``)+`\\)$~', $val)) {
if (isset($fields[$val]) || preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $val)) {
$return[] = idf_escape($val) . (isset($_GET["desc"][$key]) ? " DESC" : "");
}
}

View File

@@ -146,7 +146,7 @@ function routine($name, $type) {
global $dbh, $enum_length, $inout;
$aliases = array("bit" => "tinyint", "bool" => "tinyint", "boolean" => "tinyint", "integer" => "int", "double precision" => "float", "real" => "float", "dec" => "decimal", "numeric" => "decimal", "fixed" => "decimal", "national char" => "char", "national varchar" => "varchar");
$type_pattern = "([a-z]+)(?:\\s*\\(((?:[^'\")]*|$enum_length)+)\\))?\\s*(zerofill\\s*)?(unsigned(?:\\s+zerofill)?)?(?:\\s*(?:CHARSET|CHARACTER\\s+SET)\\s*['\"]?([^'\"\\s]+)['\"]?)?";
$pattern = "\\s*(" . ($type == "FUNCTION" ? "" : implode("|", $inout)) . ")?\\s*(?:`((?:[^`]+|``)*)`\\s*|\\b(\\S+)\\s+)$type_pattern";
$pattern = "\\s*(" . ($type == "FUNCTION" ? "" : implode("|", $inout)) . ")?\\s*(?:`((?:[^`]|``)*)`\\s*|\\b(\\S+)\\s+)$type_pattern";
$create = $dbh->result($dbh->query("SHOW CREATE $type " . idf_escape($name)), 2);
preg_match("~\\(((?:$pattern\\s*,?)*)\\)" . ($type == "FUNCTION" ? "\\s*RETURNS\\s+$type_pattern" : "") . "\\s*(.*)~is", $create, $match);
$fields = array();

View File

@@ -67,7 +67,7 @@ function unique_idf($row, $indexes) {
}
$return = array();
foreach ($row as $key => $val) {
if (!preg_match('~^(COUNT\\((\\*|(DISTINCT )?`(?:[^`]+|``)+`)\\)|(AVG|GROUP_CONCAT|MAX|MIN|SUM)\\(`(?:[^`]+|``)+`\\))$~', $key)) { //! columns looking like functions
if (!preg_match('~^(COUNT\\((\\*|(DISTINCT )?`(?:[^`]|``)+`)\\)|(AVG|GROUP_CONCAT|MAX|MIN|SUM)\\(`(?:[^`]|``)+`\\))$~', $key)) { //! columns looking like functions
$return[] = (isset($val) ? urlencode("where[" . bracket_escape($key) . "]") . "=" . urlencode($val) : "null%5B%5D=" . urlencode($key));
}
}
@@ -79,11 +79,11 @@ function where($where) {
$return = array();
foreach ((array) $where["where"] as $key => $val) {
$key = bracket_escape($key, "back");
$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]+|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " = BINARY " . $dbh->quote($val); //! enum and set, columns looking like functions
$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " = BINARY " . $dbh->quote($val); //! enum and set, columns looking like functions
}
foreach ((array) $where["null"] as $key) {
$key = bracket_escape($key, "back");
$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]+|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " IS NULL";
$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " IS NULL";
}
return implode(" AND ", $return);
}
@@ -293,7 +293,7 @@ function input($field, $value, $function) {
if (!isset($_GET["default"])) {
echo "<input type='radio' name='fields[$name]' value='0'" . ($value === 0 ? ' checked' : '') . '>';
}
preg_match_all("~'((?:[^']+|'')*)'~", $field["length"], $matches);
preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
foreach ($matches[1] as $i => $val) {
$val = stripcslashes(str_replace("''", "'", $val));
$checked = (is_int($value) ? $value == $i+1 : $value === $val);
@@ -308,7 +308,7 @@ function input($field, $value, $function) {
if (strlen($input)) {
echo $input;
} elseif ($field["type"] == "set") { //! 64 bits
preg_match_all("~'((?:[^']+|'')*)'~", $field["length"], $matches);
preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
foreach ($matches[1] as $i => $val) {
$val = stripcslashes(str_replace("''", "'", $val));
$checked = (is_int($value) ? ($value >> $i) & 1 : in_array($val, explode(",", $value), true));

View File

@@ -234,7 +234,7 @@ function indexes($table, $dbh2 = null) {
function foreign_keys($table) {
global $dbh, $on_actions;
static $pattern = '(?:[^`]+|``)+';
static $pattern = '(?:[^`]|``)+';
$return = array();
$result = $dbh->query("SHOW CREATE TABLE " . idf_escape($table));
if ($result) {
@@ -259,7 +259,7 @@ function foreign_keys($table) {
function view($name) {
global $dbh;
return array("select" => preg_replace('~^(?:[^`]+|`[^`]*`)* AS ~U', '', $dbh->result($dbh->query("SHOW CREATE VIEW " . idf_escape($name)), 1)));
return array("select" => preg_replace('~^(?:[^`]|`[^`]*`)* AS ~U', '', $dbh->result($dbh->query("SHOW CREATE VIEW " . idf_escape($name)), 1)));
}
function collations() {