mirror of
https://github.com/vrana/adminer.git
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User privileges
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@320 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
@@ -1,5 +1,5 @@
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<?php
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if (!(strlen($_GET["db"]) ? $mysql->select_db($_GET["db"]) : isset($_GET["sql"]) || isset($_GET["dump"]) || isset($_GET["database"]) || isset($_GET["processlist"]) || isset($_GET["privileges"]))) {
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if (!(strlen($_GET["db"]) ? $mysql->select_db($_GET["db"]) : isset($_GET["sql"]) || isset($_GET["dump"]) || isset($_GET["database"]) || isset($_GET["processlist"]) || isset($_GET["privileges"]) || isset($_GET["user"]))) {
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if (strlen($_GET["db"])) {
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unset($_SESSION["databases"][$_GET["server"]]);
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}
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10
index.php
10
index.php
@@ -48,6 +48,8 @@ if (isset($_GET["dump"])) {
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include "./view.inc.php";
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} elseif (isset($_GET["schema"])) {
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include "./schema.inc.php";
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} elseif (isset($_GET["privileges"])) {
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include "./privileges.inc.php";
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} else { // uses CSRF token
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include "./editing.inc.php";
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if ($_POST) {
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@@ -83,8 +85,8 @@ if (isset($_GET["dump"])) {
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include "./procedure.inc.php";
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} elseif (isset($_GET["trigger"])) {
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include "./trigger.inc.php";
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} elseif (isset($_GET["privileges"])) {
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include "./privileges.inc.php";
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} elseif (isset($_GET["user"])) {
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include "./user.inc.php";
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} elseif (isset($_GET["processlist"])) {
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include "./processlist.inc.php";
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} else {
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@@ -100,8 +102,8 @@ if (isset($_GET["dump"])) {
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echo "<table border='0' cellspacing='0' cellpadding='2'>\n";
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while ($row = $result->fetch_assoc()) {
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echo "<tr>";
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echo "<th>" . htmlspecialchars($row["ROUTINE_TYPE"]) . "</th>";
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echo '<td><a href="' . htmlspecialchars($SELF) . ($row["ROUTINE_TYPE"] == "FUNCTION" ? 'callf' : 'call') . '=' . urlencode($row["ROUTINE_NAME"]) . '">' . htmlspecialchars($row["ROUTINE_NAME"]) . '</a></td>';
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echo "<td>" . htmlspecialchars($row["ROUTINE_TYPE"]) . "</td>";
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echo '<th><a href="' . htmlspecialchars($SELF) . ($row["ROUTINE_TYPE"] == "FUNCTION" ? 'callf' : 'call') . '=' . urlencode($row["ROUTINE_NAME"]) . '">' . htmlspecialchars($row["ROUTINE_NAME"]) . '</a></th>';
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echo '<td><a href="' . htmlspecialchars($SELF) . ($row["ROUTINE_TYPE"] == "FUNCTION" ? 'function' : 'procedure') . '=' . urlencode($row["ROUTINE_NAME"]) . '">' . lang('Alter') . "</a></td>\n";
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echo "</tr>\n";
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}
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@@ -1,90 +1,14 @@
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<?php
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if (isset($_GET["name"])) {
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page_header((strlen($_GET["privileges"]) ? lang('Username') . ": " . htmlspecialchars("$_GET[name]@$_GET[privileges]") : lang('Create user')), array("privileges" => lang('Privileges')));
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$privileges = array();
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$result = $mysql->query("SHOW PRIVILEGES");
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while ($row = $result->fetch_assoc()) {
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foreach (explode(",", $row["Context"]) as $context) {
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$privileges[$context][$row["Privilege"]] = $row["Comment"]; //! translation
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}
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}
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$result->free();
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$privileges["Server Admin"] += $privileges["File access on server"];
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$privileges["Databases"]["Create routine"] = $privileges["Procedures"]["Create routine"];
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$privileges["Columns"] = array();
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foreach (array("Select", "Insert", "Update", "References") as $val) {
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$privileges["Columns"][$val] = $privileges["Tables"][$val];
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}
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unset($privileges["Server Admin"]["Usage"]);
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unset($privileges["Procedures"]["Create routine"]);
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unset($privileges["Functions"]["Create routine"]);
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$grants = array();
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if (strlen($_GET["privileges"]) && ($result = $mysql->query("SHOW GRANTS FOR '" . $mysql->escape_string($_GET["name"]) . "'@'" . $mysql->escape_string($_GET["privileges"]) . "'"))) { //! Use information_schema for MySQL 5 - column names in column privileges are not escaped
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while ($row = $result->fetch_row()) {
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if (preg_match('~GRANT (.*) ON (.*) TO ~', $row[0], $match)) { //! escape part between ON and TO
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preg_match_all('~ *([^(,]*[^ ,(])( *\\([^)]+\\))?~', $match[1], $matches, PREG_SET_ORDER);
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foreach ($matches as $val) {
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$grants["$match[2]$val[2]"][$val[1]] = true;
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}
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}
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if (preg_match('~ WITH GRANT OPTION~', $row[0])) { //! don't check inside strings and identifiers
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$grants[$match[2]]["GRANT OPTION"] = true;
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}
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}
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$result->free();
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}
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$grants[""] = true;
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foreach (array(
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"Server Admin" => lang('Server'),
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"Databases" => lang('Database'),
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"Tables" => lang('Table'),
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"Columns" => lang('Column'),
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"Procedures" => lang('Procedure'),
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"Functions" => lang('Function'),
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) as $key => $val) {
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if ($privileges[$key]) {
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echo "<table border='0' cellspacing='0' cellpadding='2'>\n";
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echo "<thead><tr>";
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if ($key != "Server Admin") {
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echo "<th>$val</th>";
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}
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foreach ($privileges[$key] as $privilege => $comment) {
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echo '<td title="' . htmlspecialchars($comment) . '">' . htmlspecialchars($privilege) . '</td>';
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}
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echo "</tr></thead>\n";
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foreach ($grants as $object => $grant) {
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if ($key == "Server Admin" ? $object == (isset($grants["*.*"]) ? "*.*" : "")
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: !$object || (substr($object, -1) == ")" || $key == "Columns" ? substr($object, -1) == ")" xor $key != "Columns"
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: (preg_match('~PROCEDURE ~', $object) ? $key == "Procedures"
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: (preg_match('~FUNCTION ~', $object) ? $key == "Functions"
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: (substr($object, -1) == "*" || $key == "Tables"
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))))) {
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echo "<tr align='center'>";
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if ($key != "Server Admin") {
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echo '<th><input name="" value="' . htmlspecialchars($object) . "\" size='10' /></th>";
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}
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foreach ($privileges[$key] as $privilege => $comment) {
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echo "<td><input type='checkbox' name='grant' value='1'" . ($grant[strtoupper($privilege)] || ($privilege != "Grant option" && $grant["ALL PRIVILEGES"]) ? " checked='checked'" : "") . " /></td>";
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}
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echo "</tr>\n";
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}
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}
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echo "</table>\n";
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}
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}
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//! DROP USER, name, server, password
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} else {
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page_header(lang('Privileges'));
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echo '<p><a href="' . htmlspecialchars($SELF) . 'privileges=&name=">' . lang('Create user') . "</a></p>\n";
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//! use mysql database if possible (GRANTEE not properly escaped) or CURRENT_USER in MySQL 4 in case of insufficient privileges
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$result = $mysql->query("SELECT DISTINCT GRANTEE FROM information_schema.USER_PRIVILEGES");
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echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
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echo "<thead><tr><th> </th><th>" . lang('Username') . "</th><th>" . lang('Server') . "</th></tr></thead>\n";
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while ($row = $result->fetch_row()) {
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preg_match("~'((?:[^']+|'')*)'@'((?:[^']+|'')+)'~", $row[0], $match);
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echo '<tr><td><a href="' . htmlspecialchars($SELF) . 'privileges=' . urlencode($match[2]) . '&name=' . urlencode($match[1]) . '">' . lang('edit') . '</a></td><td>' . htmlspecialchars(str_replace("''", "'", $match[1])) . "</td><td>" . htmlspecialchars(str_replace("''", "'", $match[2])) . "</td></tr>\n";
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}
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echo "</table>\n";
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$result->free();
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page_header(lang('Privileges'));
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echo '<p><a href="' . htmlspecialchars($SELF) . 'user=">' . lang('Create user') . "</a></p>\n";
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$result = $mysql->query("SELECT User, Host FROM mysql.user ORDER BY Host, User");
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if (!$result) {
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$result = $mysql->query("SELECT SUBSTRING_INDEX(CURRENT_USER, '@', 1) AS User, SUBSTRING_INDEX(CURRENT_USER, '@', -1) AS Host");
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}
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echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
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echo "<thead><tr><th> </th><th>" . lang('Username') . "</th><th>" . lang('Server') . "</th></tr></thead>\n";
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while ($row = $result->fetch_assoc()) {
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echo '<tr><td><a href="' . htmlspecialchars($SELF) . 'user=' . urlencode($row["User"]) . '&host=' . urlencode($row["Host"]) . '">' . lang('edit') . '</a></td><td>' . htmlspecialchars($row["User"]) . "</td><td>" . htmlspecialchars($row["Host"]) . "</td></tr>\n";
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}
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echo "</table>\n";
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$result->free();
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168
user.inc.php
Normal file
168
user.inc.php
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@@ -0,0 +1,168 @@
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<?php
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if ($_POST) {
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$new_grants = array();
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foreach ($_POST["objects"] as $key => $val) {
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$new_grants[$val] = ((array) $new_grants[$val]) + ((array) $_POST["grants"][$key]);
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}
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}
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$grants = array();
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$old_pass = "";
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if (isset($_GET["host"]) && ($result = $mysql->query("SHOW GRANTS FOR '" . $mysql->escape_string($_GET["user"]) . "'@'" . $mysql->escape_string($_GET["host"]) . "'"))) { //! Use information_schema for MySQL 5 - column names in column privileges are not escaped
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while ($row = $result->fetch_row()) {
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if (preg_match('~GRANT (.*) ON (.*) TO ~', $row[0], $match)) { //! escape the part between ON and TO
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preg_match_all('~ *([^(,]*[^ ,(])( *\\([^)]+\\))?~', $match[1], $matches, PREG_SET_ORDER);
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foreach ($matches as $val) {
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$grants["$match[2]$val[2]"][$val[1]] = true;
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}
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}
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if (preg_match('~ WITH GRANT OPTION~', $row[0])) { //! don't check inside strings and identifiers
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$grants[$match[2]]["GRANT OPTION"] = true;
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}
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if (preg_match("~ IDENTIFIED BY PASSWORD '([^']+)~", $row[0], $match)) {
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$old_pass = $match[1];
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}
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}
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$result->free();
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}
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if ($_POST && !$error) {
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$old_user = $mysql->escape_string($_GET["user"]) . "'@'" . $mysql->escape_string($_GET["host"]);
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$new_user = $mysql->escape_string($_POST["user"]) . "'@'" . (strlen($_POST["host"]) ? $mysql->escape_string($_POST["host"]) : "%");
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$identified = " IDENTIFIED BY" . ($_POST["hashed"] ? " PASSWORD" : "") . " '" . $mysql->escape_string($_POST["pass"]) . "'";
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if ($_POST["drop"]) {
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if ($mysql->query("DROP USER '$old_user'")) {
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redirect($SELF . "privileges=", lang('User has been dropped.'));
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}
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} elseif ($old_user == $new_user || $mysql->server_info < 5 || $mysql->query("CREATE USER '$new_user'$identified")) {
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if ($old_user == $new_user || $mysql->server_info < 5) {
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$mysql->query("GRANT USAGE ON *.* TO '$new_user'$identified");
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}
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$revoke = array();
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foreach ($new_grants as $object => $grant) {
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$grant = array_keys($grant);
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if ($old_user == $new_user) {
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$old_grant = array_keys((array) $grants[$object]);
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$revoke = array_diff($old_grant, $grant);
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$grant = array_diff($grant, $old_grant);
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unset($grants[$object]);
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}
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if (preg_match('~^(.+)(\\(.*\\))?$~U', $object, $match) && (
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($grant && !$mysql->query("GRANT " . implode("$match[2], ", $grant) . "$match[2] ON $match[1] TO '$new_user'")) //! SQL injection
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|| ($revoke && !$mysql->query("REVOKE " . implode("$match[2], ", $revoke) . "$match[2] ON $match[1] FROM '$new_user'"))
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)) {
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$error = $mysql->error;
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if ($old_user != $new_user) {
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$mysql->query("DROP USER '$new_user'");
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}
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break;
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}
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}
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if (!$error) {
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if ($old_user != $new_user) {
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$mysql->query("DROP USER '$old_user'");
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} else {
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foreach ($grants as $object => $revoke) {
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if (preg_match('~^(.+)(\\(.*\\))?$~U', $object, $match)) {
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$mysql->query("REVOKE " . implode("$match[2], ", $revoke) . "$match[2] ON $match[1] FROM '$new_user'");
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}
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}
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}
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redirect($SELF . "privileges=", (isset($_GET["host"]) ? lang('User has been altered.') : lang('User has been created.')));
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}
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}
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if (!$error) {
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$error = $mysql->error;
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}
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}
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page_header((isset($_GET["host"]) ? lang('Username') . ": " . htmlspecialchars("$_GET[user]@$_GET[host]") : lang('Create user')), array("privileges" => lang('Privileges')));
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$privileges = array();
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$result = $mysql->query("SHOW PRIVILEGES");
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while ($row = $result->fetch_assoc()) {
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foreach (explode(",", $row["Context"]) as $context) {
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$privileges[$context][$row["Privilege"]] = $row["Comment"]; //! translation
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}
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}
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$result->free();
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$privileges["Server Admin"] += $privileges["File access on server"];
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$privileges["Databases"]["Create routine"] = $privileges["Procedures"]["Create routine"];
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$privileges["Columns"] = array();
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foreach (array("Select", "Insert", "Update", "References") as $val) {
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$privileges["Columns"][$val] = $privileges["Tables"][$val];
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}
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unset($privileges["Server Admin"]["Usage"]);
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unset($privileges["Procedures"]["Create routine"]);
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foreach ($privileges["Tables"] as $key => $val) {
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unset($privileges["Databases"][$key]);
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}
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//! JS checkbox for all
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if ($_POST) {
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$row = $_POST;
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$grants = $new_grants;
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echo "<p class='error'>" . lang('Unable to operate user') . ": " . htmlspecialchars($error) . "</p>\n";
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} else {
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$row = $_GET;
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$row["pass"] = $old_pass;
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if (strlen($old_pass)) {
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$row["hashed"] = true;
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}
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$grants[""] = true;
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}
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?>
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<form action="" method="post">
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<table border="0" cellspacing="0" cellpadding="2">
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<tr><th><?php echo lang('Username'); ?></th><td><input name="user" maxlength="16" value="<?php echo htmlspecialchars($row["user"]); ?>" /></td></tr>
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<tr><th><?php echo lang('Server'); ?></th><td><input name="host" maxlength="60" value="<?php echo htmlspecialchars($row["host"]); ?>" /></td></tr>
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<tr><th><?php echo lang('Password'); ?></th><td><input name="pass" value="<?php echo htmlspecialchars($row["pass"]); ?>" /> <label for="hashed"><input type="checkbox" name="hashed" id="hashed" value="1"<?php if ($row["hashed"]) { ?> checked="checked"<?php } ?> /><?php echo lang('Hashed'); ?></label></td></tr>
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</table>
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<h3><?php echo lang('Privileges'); ?></h3>
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<?php
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//! MAX_* limits, REQUIRE
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$i = 0;
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foreach (array(
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"Server Admin" => lang('Server'),
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"Databases" => lang('Database'),
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"Tables" => lang('Table'),
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"Columns" => lang('Column'),
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"Procedures" => lang('Routine'),
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) as $key => $val) {
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if ($privileges[$key]) {
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echo "<table border='0' cellspacing='0' cellpadding='2'>\n";
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echo "<thead><tr>";
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if ($key != "Server Admin") {
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echo "<th>$val</th>";
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}
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foreach ($privileges[$key] as $privilege => $comment) {
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echo '<td title="' . htmlspecialchars($comment) . '">' . htmlspecialchars($privilege) . '</td>';
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}
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echo "</tr></thead>\n";
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foreach ($grants as $object => $grant) {
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if ($key == "Server Admin" ? $object == (isset($grants["*.*"]) ? "*.*" : "")
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: !$object || (substr($object, -1) == ")" || $key == "Columns" ? substr($object, -1) == ")" xor $key != "Columns"
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: (preg_match('~(PROCEDURE|FUNCTION) ~', $object) ? $key == "Procedures"
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: (substr($object, -1) == "*" || $key == "Tables"
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)))) {
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echo "<tr align='center'>";
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if ($key != "Server Admin") {
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echo '<th><input name="objects[' . $i . ']" value="' . htmlspecialchars($object) . "\" size='10' /></th>"; //! separate db, table, columns, PROCEDURE|FUNCTION, routine
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}
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foreach ($privileges[$key] as $privilege => $comment) {
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echo '<td><input type="checkbox" name="grants[' . $i . '][' . htmlspecialchars(strtoupper($privilege)) . ']" value="1"' . ($grant[strtoupper($privilege)] || ($privilege != "Grant option" && $grant["ALL PRIVILEGES"]) ? " checked='checked'" : "") . " /></td>";
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}
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echo "</tr>\n";
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$i++;
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}
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}
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echo "</table>\n";
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}
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}
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?>
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<p>
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<input type="hidden" name="token" value="<?php echo $token; ?>" />
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<input type="submit" value="<?php echo lang('Save'); ?>" />
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<?php if (isset($_GET["host"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
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</p>
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</form>
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