0ba1e28595
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@486 7c3ca157-0c34-0410-bff1-cbf682f78f5c
184 lines
8 KiB
PHP
184 lines
8 KiB
PHP
<?php
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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"]] = $row["Comment"];
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}
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}
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$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"][$key]);
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}
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function all_privileges(&$grants, $privileges) {
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foreach ($privileges as $privilege => $val) {
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if ($privilege != "Grant option") {
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$grants[strtoupper($privilege)] = true;
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}
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}
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}
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$new_grants = array();
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if ($_POST) {
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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], $match)) { //! escape the part between ON and TO
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if ($match[1] == "ALL PRIVILEGES") {
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if ($match[2] == "*.*") {
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all_privileges($grants[$match[2]], $privileges["Server Admin"]);
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}
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if (substr($match[2], -1) == "*") {
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all_privileges($grants[$match[2]], $privileges["Databases"]);
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all_privileges($grants[$match[2]], (array) $privileges["Procedures"]);
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}
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all_privileges($grants[$match[2]], $privileges["Tables"]);
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} elseif (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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}
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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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$old_user = (isset($_GET["host"]) ? $mysql->escape_string($_GET["user"]) . "'@'" . $mysql->escape_string($_GET["host"]) : "");
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$new_user = $mysql->escape_string($_POST["user"]) . "'@'" . $mysql->escape_string($_POST["host"]);
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$pass = $mysql->escape_string($_POST["pass"]);
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if ($_POST["drop"]) {
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query_redirect("DROP USER '$old_user'", $SELF . "privileges=", lang('User has been dropped.'));
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} elseif ($old_user == $new_user || $mysql->query(($mysql->server_info < 5 ? "GRANT USAGE ON *.* TO" : "CREATE USER") . " '$new_user' IDENTIFIED BY" . ($_POST["hashed"] ? " PASSWORD" : "") . " '$pass'")) {
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if ($old_user == $new_user) {
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$mysql->query("SET PASSWORD FOR '$new_user' = " . ($_POST["hashed"] ? "'$pass'" : "PASSWORD('$pass')"));
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}
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$revoke = array();
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foreach ($new_grants as $object => $grant) {
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if (isset($_GET["grant"])) {
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$grant = array_filter($grant);
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}
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$grant = array_keys($grant);
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if (isset($_GET["grant"])) {
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$revoke = array_diff(array_keys(array_filter($new_grants[$object], 'strlen')), $grant);
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} elseif ($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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$error = htmlspecialchars($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 (isset($_GET["host"]) && $old_user != $new_user) {
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$mysql->query("DROP USER '$old_user'");
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} elseif (!isset($_GET["grant"])) {
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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("$match[2], ", array_keys($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 = htmlspecialchars($mysql->error);
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}
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}
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page_header((isset($_GET["host"]) ? lang('Username') . ": " . htmlspecialchars("$_GET[user]@$_GET[host]") : lang('Create user')), $error, array("privileges" => lang('Privileges')));
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if ($_POST) {
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$row = $_POST;
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$grants = $new_grants;
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} else {
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$row = $_GET + array("host" => "localhost");
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$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 id="pass" name="pass" value="<?php echo htmlspecialchars($row["pass"]); ?>" /><?php if (!$row["hashed"]) { ?><script type="text/javascript">document.getElementById('pass').type = 'password';</script><?php } ?> <label for="hashed"><input type="checkbox" name="hashed" id="hashed" value="1"<?php if ($row["hashed"]) { ?> checked="checked"<?php } ?> onclick="this.form['pass'].type = (this.checked ? 'text' : 'password');" /><?php echo lang('Hashed'); ?></label></td></tr>
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</table>
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<?php
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//! MAX_* limits, REQUIRE
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echo "<table border='0' cellspacing='0' cellpadding='2'>\n";
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echo "<thead><tr><th colspan='2'>" . lang('Privileges') . "</th>";
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$i = 0;
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foreach ($grants as $object => $grant) {
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echo '<th>' . ($object != "*.*" ? '<input name="objects[' . $i . ']" value="' . htmlspecialchars($object) . '" size="10" />' : '<input type="hidden" name="objects[' . $i . ']" value="*.*" size="10" />*.*') . '</th>'; //! separate db, table, columns, PROCEDURE|FUNCTION, routine
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//! JS checkbox for all
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$i++;
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}
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echo "</tr></thead>\n";
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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 $context => $desc) {
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foreach ((array) $privileges[$context] as $privilege => $comment) {
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echo '<tr><td>' . $desc . '</td><td title="' . htmlspecialchars($comment) . '"><i>' . htmlspecialchars($privilege) . '</i></td>';
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$i = 0;
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foreach ($grants as $object => $grant) {
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$name = '"grants[' . $i . '][' . htmlspecialchars(strtoupper($privilege)) . ']"';
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$value = $grant[strtoupper($privilege)];
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if ($context == "Server Admin" && $object != (isset($grants["*.*"]) ? "*.*" : "")) {
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echo "<td> </td>";
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} elseif (isset($_GET["grant"])) {
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echo "<td><select name=$name><option></option><option value='1'" . ($value ? " selected='selected'" : "") . ">" . lang('Grant') . "</option><option value='0'" . ($value == "0" ? " selected='selected'" : "") . ">" . lang('Revoke') . "</option></select></td>";
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} else {
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echo "<td align='center'><input type='checkbox' name=$name value='1'" . ($value ? " checked='checked'" : "") . " /></td>";
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}
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$i++;
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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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<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'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
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</p>
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</form>
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