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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* set of functions with the Privileges section in pma
*
* @package PhpMyAdmin
*/

if (! defined('PHPMYADMIN')) {
    exit;
}

/**
* Get Html for User Group Dialog
*
* @param string $username     username
* @param bool   $is_menuswork Is menuswork set in configuration
*
* @return string html
*/
function PMA_getHtmlForUserGroupDialog($username, $is_menuswork)
{
    
$html = '';
    if (! empty(
$_REQUEST['edit_user_group_dialog']) && $is_menuswork) {
        
$dialog = PMA_getHtmlToChooseUserGroup($username);
        
$response = PMA_Response::getInstance();
        if (
$GLOBALS['is_ajax_request']) {
            
$response->addJSON('message', $dialog);
            exit;
        } else {
            
$html .= $dialog;
        }
    }

    return
$html;
}

/**
* Escapes wildcard in a database+table specification
* before using it in a GRANT statement.
*
* Escaping a wildcard character in a GRANT is only accepted at the global
* or database level, not at table level; this is why I remove
* the escaping character. Internally, in mysql.tables_priv.Db there are
* no escaping (for example test_db) but in mysql.db you'll see test\_db
* for a db-specific privilege.
*
* @param string $dbname    Database name
* @param string $tablename Table name
*
* @return string the escaped (if necessary) database.table
*/
function PMA_wildcardEscapeForGrant($dbname, $tablename)
{
    if (!
/*overload*/mb_strlen($dbname)) {
        
$db_and_table = '*.*';
    } else {
        if (
/*overload*/mb_strlen($tablename)) {
            
$db_and_table = PMA_Util::backquote(
                
PMA_Util::unescapeMysqlWildcards($dbname)
            )
            .
'.' . PMA_Util::backquote($tablename);
        } else {
            
$db_and_table = PMA_Util::backquote($dbname) . '.*';
        }
    }
    return
$db_and_table;
}

/**
* Generates a condition on the user name
*
* @param string $initial the user's initial
*
* @return string   the generated condition
*/
function PMA_rangeOfUsers($initial = '')
{
    
// strtolower() is used because the User field
    // might be BINARY, so LIKE would be case sensitive
    
if ($initial === null || $initial === '') {
        return
'';
    }

    
$ret = " WHERE `User` LIKE '"
        
. PMA_Util::sqlAddSlashes($initial, true) . "%'"
        
. " OR `User` LIKE '"
        
. PMA_Util::sqlAddSlashes(/*overload*/mb_strtolower($initial), true)
        .
"%'";
    return
$ret;
}
// end function

/**
* Formats privilege name for a display
*
* @param array   $privilege Privilege information
* @param boolean $html      Whether to use HTML
*
* @return string
*/
function PMA_formatPrivilege($privilege, $html)
{
    if (
$html) {
        return
'<dfn title="' . $privilege[2] . '">'
            
. $privilege[1] . '</dfn>';
    } else {
        return
$privilege[1];
    }
}

/**
* Parses privileges into an array, it modifies the array
*
* @param array &$row Results row from
*
* @return void
*/
function PMA_fillInTablePrivileges(&$row)
{
    
$row1 = $GLOBALS['dbi']->fetchSingleRow(
        
'SHOW COLUMNS FROM `mysql`.`tables_priv` LIKE \'Table_priv\';',
        
'ASSOC', $GLOBALS['userlink']
    );
    
// note: in MySQL 5.0.3 we get "Create View', 'Show view';
    // the View for Create is spelled with uppercase V
    // the view for Show is spelled with lowercase v
    // and there is a space between the words

    
$av_grants = explode(
        
'\',\'',
        
/*overload*/mb_substr(
            
$row1['Type'],
            
/*overload*/mb_strpos($row1['Type'], '(') + 2,
            
/*overload*/mb_strpos($row1['Type'], ')')
            -
/*overload*/mb_strpos($row1['Type'], '(') - 3
        
)
    );

    
$users_grants = explode(',', $row['Table_priv']);

    foreach (
$av_grants as $current_grant) {
        
$row[$current_grant . '_priv']
            =
in_array($current_grant, $users_grants) ? 'Y' : 'N';
    }
    unset(
$row['Table_priv']);
}


/**
* Extracts the privilege information of a priv table row
*
* @param array|null $row        the row
* @param boolean    $enableHTML add <dfn> tag with tooltips
* @param boolean    $tablePrivs whether row contains table privileges
*
* @global  resource $user_link the database connection
*
* @return array
*/
function PMA_extractPrivInfo($row = null, $enableHTML = false, $tablePrivs = false)
{
    if (
$tablePrivs) {
        
$grants = PMA_getTableGrantsArray();
    } else {
        
$grants = PMA_getGrantsArray();
    }

    if (!
is_null($row) && isset($row['Table_priv'])) {
        
PMA_fillInTablePrivileges($row);
    }

    
$privs = array();
    
$allPrivileges = true;
    foreach (
$grants as $current_grant) {
        if ((!
is_null($row) && isset($row[$current_grant[0]]))
            || (
is_null($row) && isset($GLOBALS[$current_grant[0]]))
        ) {
            if ((!
is_null($row) && $row[$current_grant[0]] == 'Y')
                || (
is_null($row)
                && (
$GLOBALS[$current_grant[0]] == 'Y'
                
|| (is_array($GLOBALS[$current_grant[0]])
                &&
count($GLOBALS[$current_grant[0]]) == $_REQUEST['column_count']
                && empty(
$GLOBALS[$current_grant[0] . '_none']))))
            ) {
                
$privs[] = PMA_formatPrivilege($current_grant, $enableHTML);
            } elseif (! empty(
$GLOBALS[$current_grant[0]])
                &&
is_array($GLOBALS[$current_grant[0]])
                && empty(
$GLOBALS[$current_grant[0] . '_none'])
            ) {
                
$privs[] = PMA_formatPrivilege($current_grant, $enableHTML)
                    .
' (`' . join('`, `', $GLOBALS[$current_grant[0]]) . '`)';
            } else {
                
$allPrivileges = false;
            }
        }
    }
    if (empty(
$privs)) {
        if (
$enableHTML) {
            
$privs[] = '<dfn title="' . __('No privileges.') . '">USAGE</dfn>';
        } else {
            
$privs[] = 'USAGE';
        }
    } elseif (
$allPrivileges
        
&& (! isset($_POST['grant_count']) || count($privs) == $_POST['grant_count'])
    ) {
        if (
$enableHTML) {
            
$privs = array('<dfn title="'
                
. __('Includes all privileges except GRANT.')
                .
'">ALL PRIVILEGES</dfn>'
            
);
        } else {
            
$privs = array('ALL PRIVILEGES');
        }
    }
    return
$privs;
}
// end of the 'PMA_extractPrivInfo()' function

/**
* Returns an array of table grants and their descriptions
*
* @return array array of table grants
*/
function PMA_getTableGrantsArray()
{
    return array(
        array(
            
'Delete',
            
'DELETE',
            
$GLOBALS['strPrivDescDelete']
        ),
        array(
            
'Create',
            
'CREATE',
            
$GLOBALS['strPrivDescCreateTbl']
        ),
        array(
            
'Drop',
            
'DROP',
            
$GLOBALS['strPrivDescDropTbl']
        ),
        array(
            
'Index',
            
'INDEX',
            
$GLOBALS['strPrivDescIndex']
        ),
        array(
            
'Alter',
            
'ALTER',
            
$GLOBALS['strPrivDescAlter']
        ),
        array(
            
'Create View',
            
'CREATE_VIEW',
            
$GLOBALS['strPrivDescCreateView']
        ),
        array(
            
'Show view',
            
'SHOW_VIEW',
            
$GLOBALS['strPrivDescShowView']
        ),
        array(
            
'Trigger',
            
'TRIGGER',
            
$GLOBALS['strPrivDescTrigger']
        ),
    );
}

/**
* Get the grants array which contains all the privilege types
* and relevant grant messages
*
* @return array
*/
function PMA_getGrantsArray()
{
    return array(
        array(
            
'Select_priv',
            
'SELECT',
            
__('Allows reading data.')
        ),
        array(
            
'Insert_priv',
            
'INSERT',
            
__('Allows inserting and replacing data.')
        ),
        array(
            
'Update_priv',
            
'UPDATE',
            
__('Allows changing data.')
        ),
        array(
            
'Delete_priv',
            
'DELETE',
            
__('Allows deleting data.')
        ),
        array(
            
'Create_priv',
            
'CREATE',
            
__('Allows creating new databases and tables.')
        ),
        array(
            
'Drop_priv',
            
'DROP',
            
__('Allows dropping databases and tables.')
        ),
        array(
            
'Reload_priv',
            
'RELOAD',
            
__('Allows reloading server settings and flushing the server\'s caches.')
        ),
        array(
            
'Shutdown_priv',
            
'SHUTDOWN',
            
__('Allows shutting down the server.')
        ),
        array(
            
'Process_priv',
            
'PROCESS',
            
__('Allows viewing processes of all users.')
        ),
        array(
            
'File_priv',
            
'FILE',
            
__('Allows importing data from and exporting data into files.')
        ),
        array(
            
'References_priv',
            
'REFERENCES',
            
__('Has no effect in this MySQL version.')
        ),
        array(
            
'Index_priv',
            
'INDEX',
            
__('Allows creating and dropping indexes.')
        ),
        array(
            
'Alter_priv',
            
'ALTER',
            
__('Allows altering the structure of existing tables.')
        ),
        array(
            
'Show_db_priv',
            
'SHOW DATABASES',
            
__('Gives access to the complete list of databases.')
        ),
        array(
            
'Super_priv',
            
'SUPER',
            
__(
                
'Allows connecting, even if maximum number of connections '
                
. 'is reached; required for most administrative operations '
                
. 'like setting global variables or killing threads of other users.'
            
)
        ),
        array(
            
'Create_tmp_table_priv',
            
'CREATE TEMPORARY TABLES',
            
__('Allows creating temporary tables.')
        ),
        array(
            
'Lock_tables_priv',
            
'LOCK TABLES',
            
__('Allows locking tables for the current thread.')
        ),
        array(
            
'Repl_slave_priv',
            
'REPLICATION SLAVE',
            
__('Needed for the replication slaves.')
        ),
        array(
            
'Repl_client_priv',
            
'REPLICATION CLIENT',
            
__('Allows the user to ask where the slaves / masters are.')
        ),
        array(
            
'Create_view_priv',
            
'CREATE VIEW',
            
__('Allows creating new views.')
        ),
        array(
            
'Event_priv',
            
'EVENT',
            
__('Allows to set up events for the event scheduler.')
        ),
        array(
            
'Trigger_priv',
            
'TRIGGER',
            
__('Allows creating and dropping triggers.')
        ),
        
// for table privs:
        
array(
            
'Create View_priv',
            
'CREATE VIEW',
            
__('Allows creating new views.')
        ),
        array(
            
'Show_view_priv',
            
'SHOW VIEW',
            
__('Allows performing SHOW CREATE VIEW queries.')
        ),
        
// for table privs:
        
array(
            
'Show view_priv',
            
'SHOW VIEW',
            
__('Allows performing SHOW CREATE VIEW queries.')
        ),
        array(
            
'Create_routine_priv',
            
'CREATE ROUTINE',
            
__('Allows creating stored routines.')
        ),
        array(
            
'Alter_routine_priv',
            
'ALTER ROUTINE',
            
__('Allows altering and dropping stored routines.')
        ),
        array(
            
'Create_user_priv',
            
'CREATE USER',
            
__('Allows creating, dropping and renaming user accounts.')
        ),
        array(
            
'Execute_priv',
            
'EXECUTE',
            
__('Allows executing stored routines.')
        ),
    );
}

/**
* Displays on which column(s) a table-specific privilege is granted
*
* @param array  $columns          columns array
* @param array  $row              first row from result or boolean false
* @param string $name_for_select  privilege types - Select_priv, Insert_priv
*                                 Update_priv, References_priv
* @param string $priv_for_header  privilege for header
* @param string $name             privilege name: insert, select, update, references
* @param string $name_for_dfn     name for dfn
* @param string $name_for_current name for current
*
* @return string $html_output html snippet
*/
function PMA_getHtmlForColumnPrivileges($columns, $row, $name_for_select,
    
$priv_for_header, $name, $name_for_dfn, $name_for_current
) {
    
$html_output = '<div class="item" id="div_item_' . $name . '">' . "\n"
        
. '<label for="select_' . $name . '_priv">' . "\n"
        
. '<code><dfn title="' . $name_for_dfn . '">'
        
. $priv_for_header . '</dfn></code>' . "\n"
        
. '</label><br />' . "\n"
        
. '<select id="select_' . $name . '_priv" name="'
        
. $name_for_select . '[]" multiple="multiple" size="8">' . "\n";

    foreach (
$columns as $currCol => $currColPrivs) {
        
$html_output .= '<option '
            
. 'value="' . htmlspecialchars($currCol) . '"';
        if (
$row[$name_for_select] == 'Y'
            
|| $currColPrivs[$name_for_current]
        ) {
            
$html_output .= ' selected="selected"';
        }
        
$html_output .= '>'
            
. htmlspecialchars($currCol) . '</option>' . "\n";
    }

    
$html_output .= '</select>' . "\n"
        
. '<i>' . __('Or') . '</i>' . "\n"
        
. '<label for="checkbox_' . $name_for_select
        
. '_none"><input type="checkbox"'
        
. ' name="' . $name_for_select . '_none" id="checkbox_'
        
. $name_for_select . '_none" title="'
        
. _pgettext('None privileges', 'None') . '" />'
        
. _pgettext('None privileges', 'None') . '</label>' . "\n"
        
. '</div>' . "\n";
    return
$html_output;
}
// end function

/**
* Get sql query for display privileges table
*
* @param string $db       the database
* @param string $table    the table
* @param string $username username for database connection
* @param string $hostname hostname for database connection
*
* @return string sql query
*/
function PMA_getSqlQueryForDisplayPrivTable($db, $table, $username, $hostname)
{
    if (
$db == '*') {
        return
"SELECT * FROM `mysql`.`user`"
            
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
            
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "';";
    } elseif (
$table == '*') {
        return
"SELECT * FROM `mysql`.`db`"
            
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
            
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "'"
            
. " AND '" . PMA_Util::unescapeMysqlWildcards($db) . "'"
            
. " LIKE `Db`;";
    }
    return
"SELECT `Table_priv`"
        
. " FROM `mysql`.`tables_priv`"
        
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
        
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "'"
        
. " AND `Db` = '" . PMA_Util::unescapeMysqlWildcards($db) . "'"
        
. " AND `Table_name` = '" . PMA_Util::sqlAddSlashes($table) . "';";
}

/**
* Displays a dropdown to select the user group
* with menu items configured to each of them.
*
* @param string $username username
*
* @return string html to select the user group
*/
function PMA_getHtmlToChooseUserGroup($username)
{
    
$html_output = '<form class="ajax" id="changeUserGroupForm"'
            
. ' action="server_privileges.php" method="post">';
    
$params = array('username' => $username);
    
$html_output .= PMA_URL_getHiddenInputs($params);
    
$html_output .= '<fieldset id="fieldset_user_group_selection">';
    
$html_output .= '<legend>' . __('User group') . '</legend>';

    
$cfgRelation = PMA_getRelationsParam();
    
$groupTable = PMA_Util::backquote($cfgRelation['db'])
        .
"." . PMA_Util::backquote($cfgRelation['usergroups']);
    
$userTable = PMA_Util::backquote($cfgRelation['db'])
        .
"." . PMA_Util::backquote($cfgRelation['users']);

    
$userGroups = array();
    
$sql_query = "SELECT DISTINCT `usergroup` FROM " . $groupTable;
    
$result = PMA_queryAsControlUser($sql_query, false);
    if (
$result) {
        while (
$row = $GLOBALS['dbi']->fetchRow($result)) {
            
$userGroups[] = $row[0];
        }
    }
    
$GLOBALS['dbi']->freeResult($result);

    
$userGroup = '';
    if (isset(
$GLOBALS['username'])) {
        
$sql_query = "SELECT `usergroup` FROM " . $userTable
            
. " WHERE `username` = '" . PMA_Util::sqlAddSlashes($username) . "'";
        
$userGroup = $GLOBALS['dbi']->fetchValue(
            
$sql_query, 0, 0, $GLOBALS['controllink']
        );
    }

    
$html_output .= __('User group') . ': ';
    
$html_output .= '<select name="userGroup">';
    
$html_output .= '<option value=""></option>';
    foreach (
$userGroups as $oneUserGroup) {
        
$html_output .= '<option value="' . htmlspecialchars($oneUserGroup) . '"'
            
. ($oneUserGroup == $userGroup ? ' selected="selected"' : '')
            .
'>'
            
. htmlspecialchars($oneUserGroup)
            .
'</option>';
    }
    
$html_output .= '</select>';
    
$html_output .= '<input type="hidden" name="changeUserGroup" value="1">';
    
$html_output .= '</fieldset>';
    
$html_output .= '</form>';
    return
$html_output;
}

/**
* Sets the user group from request values
*
* @param string $username  username
* @param string $userGroup user group to set
*
* @return void
*/
function PMA_setUserGroup($username, $userGroup)
{
    
$cfgRelation = PMA_getRelationsParam();
    
$userTable = PMA_Util::backquote($cfgRelation['db'])
        .
"." . PMA_Util::backquote($cfgRelation['users']);

    
$sql_query = "SELECT `usergroup` FROM " . $userTable
        
. " WHERE `username` = '" . PMA_Util::sqlAddSlashes($username) . "'";
    
$oldUserGroup = $GLOBALS['dbi']->fetchValue(
        
$sql_query, 0, 0, $GLOBALS['controllink']
    );

    if (
$oldUserGroup === false) {
        
$upd_query = "INSERT INTO " . $userTable . "(`username`, `usergroup`)"
            
. " VALUES ('" . PMA_Util::sqlAddSlashes($username) . "', "
            
. "'" . PMA_Util::sqlAddSlashes($userGroup) . "')";
    } else {
        if (empty(
$userGroup)) {
            
$upd_query = "DELETE FROM " . $userTable
                
. " WHERE `username`='" . PMA_Util::sqlAddSlashes($username) . "'";
        } elseif (
$oldUserGroup != $userGroup) {
            
$upd_query = "UPDATE " . $userTable
                
. " SET `usergroup`='" . PMA_Util::sqlAddSlashes($userGroup) . "'"
                
. " WHERE `username`='" . PMA_Util::sqlAddSlashes($username) . "'";
        }
    }
    if (isset(
$upd_query)) {
        
PMA_queryAsControlUser($upd_query);
    }
}

/**
* Displays the privileges form table
*
* @param string  $db     the database
* @param string  $table  the table
* @param boolean $submit whether to display the submit button or not
*
* @global  array     $cfg         the phpMyAdmin configuration
* @global  resource  $user_link   the database connection
*
* @return string html snippet
*/
function PMA_getHtmlToDisplayPrivilegesTable($db = '*',
    
$table = '*', $submit = true
) {
    
$html_output = '';
    
$sql_query = '';

    if (
$db == '*') {
        
$table = '*';
    }

    if (isset(
$GLOBALS['username'])) {
        
$username = $GLOBALS['username'];
        
$hostname = $GLOBALS['hostname'];
        
$sql_query = PMA_getSqlQueryForDisplayPrivTable(
            
$db, $table, $username, $hostname
        
);
        
$row = $GLOBALS['dbi']->fetchSingleRow($sql_query);
    }
    if (empty(
$row)) {
        if (
$table == '*' && $GLOBALS['is_superuser']) {
            if (
$db == '*') {
                
$sql_query = 'SHOW COLUMNS FROM `mysql`.`user`;';
            } elseif (
$table == '*') {
                
$sql_query = 'SHOW COLUMNS FROM `mysql`.`db`;';
            }
            
$res = $GLOBALS['dbi']->query($sql_query);
            while (
$row1 = $GLOBALS['dbi']->fetchRow($res)) {
                if (
mb_substr($row1[0], 0, 4) == 'max_') {
                    
$row[$row1[0]] = 0;
                } elseif (
mb_substr($row1[0], 0, 5) == 'x509_'
                    
|| mb_substr($row1[0], 0, 4) == 'ssl_'
                
) {
                    
$row[$row1[0]] = '';
                } else {
                    
$row[$row1[0]] = 'N';
                }
            }
            
$GLOBALS['dbi']->freeResult($res);
        } elseif (
$table == '*') {
            
$row = array();
        } else {
            
$row = array('Table_priv' => '');
        }
    }
    if (isset(
$row['Table_priv'])) {
        
PMA_fillInTablePrivileges($row);

        
// get columns
        
$res = $GLOBALS['dbi']->tryQuery(
            
'SHOW COLUMNS FROM '
            
. PMA_Util::backquote(
                
PMA_Util::unescapeMysqlWildcards($db)
            )
            .
'.' . PMA_Util::backquote($table) . ';'
        
);
        
$columns = array();
        if (
$res) {
            while (
$row1 = $GLOBALS['dbi']->fetchRow($res)) {
                
$columns[$row1[0]] = array(
                    
'Select' => false,
                    
'Insert' => false,
                    
'Update' => false,
                    
'References' => false
                
);
            }
            
$GLOBALS['dbi']->freeResult($res);
        }
        unset(
$res, $row1);
    }
    
// table-specific privileges
    
if (! empty($columns)) {
        
$html_output .= PMA_getHtmlForTableSpecificPrivileges(
            
$username, $hostname, $db, $table, $columns, $row
        
);
    } else {
        
// global or db-specific
        
$html_output .= PMA_getHtmlForGlobalOrDbSpecificPrivs($db, $table, $row);
    }
    
$html_output .= '</fieldset>' . "\n";
    if (
$submit) {
        
$html_output .= '<fieldset id="fieldset_user_privtable_footer" '
            
. 'class="tblFooters">' . "\n"
            
. '<input type="hidden" name="update_privs" value="1" />' . "\n"
            
. '<input type="submit" value="' . __('Go') . '" />' . "\n"
            
. '</fieldset>' . "\n";
    }
    return
$html_output;
}
// end of the 'PMA_displayPrivTable()' function

/**
* Get HTML for "Require"
*
* @param array $row privilege array
*
* @return string html snippet
*/
function PMA_getHtmlForRequires($row)
{
    
$html_output  = '<fieldset>';

    
$html_output .= '<legend>';
    
$html_output .= '<input type="checkbox" name="SSL_priv" id="checkbox_SSL_priv"'
        
. ' value="Y" title="'
        
. __(
            
'Requires SSL-encrypted connections.'
        
)
        .
'"'
        
. ((isset($row['ssl_type']) && $row['ssl_type'] != '')
            ?
' checked="checked"'
            
: ''
        
)
        .
'/>';
    
$html_output .= __('Require SSL') . '</legend>';
    
$html_output .= '<div id="require_ssl_div">';

    
// Specified
    
$html_output .= '<div class="item">';
    
$html_output .= '<input type="radio" name="ssl_type" id="ssl_type_specified"'
        
. ' value="specified"'
        
. ((isset($row['ssl_type']) && $row['ssl_type'] == 'SPECIFIED')
            ?
' checked="checked"'
            
: ''
        
)
        .
'/>';

    
$html_output .= '<label for="ssl_type_speified"><code>'
        
. 'SPECIFIED'
        
. '</code></label>';
    
$html_output .= '</div>';

    
$html_output .= '<div id="specified_div" style="padding-left:20px;">';

    
// REQUIRE CIPHER
    
$html_output .= '<div class="item">';
    
$html_output .= '<label for="text_ssl_cipher">'
        
. '<code><dfn title="'
        
. __(
            
'Requires that a specific cipher method be used for a connection.'
        
)
        .
'">'
        
. 'REQUIRE CIPHER'
        
. '</dfn></code></label>';
    
$html_output .= '<input type="text" name="ssl_cipher" id="text_ssl_cipher" '
        
. 'value="' . (isset($row['ssl_cipher']) ? $row['ssl_cipher'] : '') . '" '
        
. 'size=80" title="'
        
. __(
            
'Requires that a specific cipher method be used for a connection.'
        
)
        .
'" />';
    
$html_output .= '</div>';

    
// REQUIRE ISSUER
    
$html_output .= '<div class="item">';
    
$html_output .= '<label for="text_x509_issuer">'
        
. '<code><dfn title="'
        
. __(
            
'Requires that a valid X509 certificate issued by this CA be presented.'
        
)
        .
'">'
        
. 'REQUIRE ISSUER'
        
. '</dfn></code></label>';
    
$html_output .= '<input type="text" name="x509_issuer" id="text_x509_issuer" '
        
. 'value="' . (isset($row['x509_issuer']) ? $row['x509_issuer'] : '') . '" '
        
. 'size=80" title="'
        
. __(
            
'Requires that a valid X509 certificate issued by this CA be presented.'
        
)
        .
'" />';
    
$html_output .= '</div>';

    
// REQUIRE SUBJECT
    
$html_output .= '<div class="item">';
    
$html_output .= '<label for="text_x509_subject">'
        
. '<code><dfn title="'
        
. __(
            
'Requires that a valid X509 certificate with this subject be presented.'
        
)
        .
'">'
        
. 'REQUIRE SUBJECT'
        
. '</dfn></code></label>';
    
$html_output .= '<input type="text" name="x509_subject" id="text_x509_subject" '
        
. 'value="' . (isset($row['x509_subject']) ? $row['x509_subject'] : '')
        .
'" size=80" title="'
        
. __(
            
'Requires that a valid X509 certificate with this subject be presented.'
        
)
        .
'" />';
    
$html_output .= '</div>';

    
$html_output .= '</div>';

    
// REQUIRE X509
    
$html_output .= '<div class="item">';
    
$html_output .= '<input type="radio" name="ssl_type" id="ssl_type_X509"'
        
. ' value="X509" title="'
        
. __(
            
'Requires a valid X509 certificate.'
        
)
        .
'"'
        
. ((isset($row['ssl_type']) && $row['ssl_type'] == 'X509')
            ?
' checked="checked"'
            
: ''
        
)
        .
'/>';

    
$html_output .= '<label for="radio_X509_priv"><code>'
        
. 'REQUIRE X509'
        
. '</code></label>';
    
$html_output .= '</div>';

    
// REQUIRE SSL
    
$html_output .= '<div class="item">';
    
$html_output .= '<input type="radio" name="ssl_type" id="ssl_type_ANY"'
        
. ' value="ANY" title="'
        
. __(
            
'Requires SSL-encrypted connections.'
        
)
        .
'"'
        
. ((isset($row['ssl_type'])
            && (
$row['ssl_type'] == 'ANY'
                
|| $row['ssl_type'] == ''))
            ?
' checked="checked"'
            
: ''
        
)
        .
'/>';

    
$html_output .= '<label for="ssl_type_ANY"><code>'
        
. 'REQUIRE SSL'
        
. '</code></label>';
    
$html_output .= '</div>';

    
$html_output .= '</div>';
    
$html_output .= '</fieldset>';

    return
$html_output;
}

/**
* Get HTML for "Resource limits"
*
* @param array $row first row from result or boolean false
*
* @return string html snippet
*/
function PMA_getHtmlForResourceLimits($row)
{
    
$html_output = '<fieldset>' . "\n"
        
. '<legend>' . __('Resource limits') . '</legend>' . "\n"
        
. '<p><small>'
        
. '<i>' . __('Note: Setting these options to 0 (zero) removes the limit.')
        .
'</i></small></p>' . "\n";

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="text_max_questions">'
        
. '<code><dfn title="'
        
. __(
            
'Limits the number of queries the user may send to the server per hour.'
        
)
        .
'">'
        
. 'MAX QUERIES PER HOUR'
        
. '</dfn></code></label>' . "\n"
        
. '<input type="number" name="max_questions" id="text_max_questions" '
        
. 'value="'
        
. (isset($row['max_questions']) ? $row['max_questions'] : '0')
        .
'" min="0" '
        
. 'title="'
        
. __(
            
'Limits the number of queries the user may send to the server per hour.'
        
)
        .
'" />' . "\n"
        
. '</div>' . "\n";

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="text_max_updates">'
        
. '<code><dfn title="'
        
. __(
            
'Limits the number of commands that change any table '
            
. 'or database the user may execute per hour.'
        
) . '">'
        
. 'MAX UPDATES PER HOUR'
        
. '</dfn></code></label>' . "\n"
        
. '<input type="number" name="max_updates" id="text_max_updates" '
        
. 'value="'
        
. (isset($row['max_updates']) ? $row['max_updates'] : '0')
        .
'" min="0" '
        
. 'title="'
        
. __(
            
'Limits the number of commands that change any table '
            
. 'or database the user may execute per hour.'
        
)
        .
'" />' . "\n"
        
. '</div>' . "\n";

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="text_max_connections">'
        
. '<code><dfn title="'
        
. __(
            
'Limits the number of new connections the user may open per hour.'
        
) . '">'
        
. 'MAX CONNECTIONS PER HOUR'
        
. '</dfn></code></label>' . "\n"
        
. '<input type="number" name="max_connections" id="text_max_connections" '
        
. 'value="'
        
. (isset($row['max_connections']) ? $row['max_connections'] : '0')
        .
'" min="0" '
        
. 'title="' . __(
            
'Limits the number of new connections the user may open per hour.'
        
)
        .
'" />' . "\n"
        
. '</div>' . "\n";

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="text_max_user_connections">'
        
. '<code><dfn title="'
        
. __('Limits the number of simultaneous connections the user may have.')
        .
'">'
        
. 'MAX USER_CONNECTIONS'
        
. '</dfn></code></label>' . "\n"
        
. '<input type="number" name="max_user_connections" '
        
. 'id="text_max_user_connections" '
        
. 'value="'
        
. (isset($row['max_user_connections']) ? $row['max_user_connections'] : '0')
        .
'" '
        
. 'title="'
        
. __('Limits the number of simultaneous connections the user may have.')
        .
'" />' . "\n"
        
. '</div>' . "\n";

    
$html_output .= '</fieldset>' . "\n";

    return
$html_output;
}

/**
* Get the HTML snippet for table specific privileges
*
* @param string $username username for database connection
* @param string $hostname hostname for database connection
* @param string $db       the database
* @param string $table    the table
* @param array  $columns  columns array
* @param array  $row      current privileges row
*
* @return string $html_output
*/
function PMA_getHtmlForTableSpecificPrivileges(
    
$username, $hostname, $db, $table, $columns, $row
) {
    
$res = $GLOBALS['dbi']->query(
        
'SELECT `Column_name`, `Column_priv`'
        
. ' FROM `mysql`.`columns_priv`'
        
. ' WHERE `User`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($username) . "'"
        
. ' AND `Host`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($hostname) . "'"
        
. ' AND `Db`'
        
. ' = \'' . PMA_Util::sqlAddSlashes(
            
PMA_Util::unescapeMysqlWildcards($db)
        ) .
"'"
        
. ' AND `Table_name`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($table) . '\';'
    
);

    while (
$row1 = $GLOBALS['dbi']->fetchRow($res)) {
        
$row1[1] = explode(',', $row1[1]);
        foreach (
$row1[1] as $current) {
            
$columns[$row1[0]][$current] = true;
        }
    }
    
$GLOBALS['dbi']->freeResult($res);
    unset(
$res, $row1, $current);

    
$html_output = '<input type="hidden" name="grant_count" '
        
. 'value="' . count($row) . '" />' . "\n"
        
. '<input type="hidden" name="column_count" '
        
. 'value="' . count($columns) . '" />' . "\n"
        
. '<fieldset id="fieldset_user_priv">' . "\n"
        
. '<legend data-submenu-label="Table">' . __('Table-specific privileges')
        .
PMA_Util::showHint(
            
__('Note: MySQL privilege names are expressed in English.')
        )
        .
'</legend>' . "\n";

    
// privs that are attached to a specific column
    
$html_output .= PMA_getHtmlForAttachedPrivilegesToTableSpecificColumn(
        
$columns, $row
    
);

    
// privs that are not attached to a specific column
    
$html_output .= '<div class="item">' . "\n"
        
. PMA_getHtmlForNotAttachedPrivilegesToTableSpecificColumn($row)
        .
'</div>' . "\n";

    
// for Safari 2.0.2
    
$html_output .= '<div class="clearfloat"></div>' . "\n";

    return
$html_output;
}

/**
* Get HTML snippet for privileges that are attached to a specific column
*
* @param array $columns columns array
* @param array $row     first row from result or boolean false
*
* @return string $html_output
*/
function PMA_getHtmlForAttachedPrivilegesToTableSpecificColumn($columns, $row)
{
    
$html_output = PMA_getHtmlForColumnPrivileges(
        
$columns, $row, 'Select_priv', 'SELECT',
        
'select', __('Allows reading data.'), 'Select'
    
);

    
$html_output .= PMA_getHtmlForColumnPrivileges(
        
$columns, $row, 'Insert_priv', 'INSERT',
        
'insert', __('Allows inserting and replacing data.'), 'Insert'
    
);

    
$html_output .= PMA_getHtmlForColumnPrivileges(
        
$columns, $row, 'Update_priv', 'UPDATE',
        
'update', __('Allows changing data.'), 'Update'
    
);

    
$html_output .= PMA_getHtmlForColumnPrivileges(
        
$columns, $row, 'References_priv', 'REFERENCES', 'references',
        
__('Has no effect in this MySQL version.'), 'References'
    
);
    return
$html_output;
}

/**
* Get HTML for privileges that are not attached to a specific column
*
* @param array $row first row from result or boolean false
*
* @return string $html_output
*/
function PMA_getHtmlForNotAttachedPrivilegesToTableSpecificColumn($row)
{
    
$html_output = '';

    foreach (
$row as $current_grant => $current_grant_value) {
        
$grant_type = substr($current_grant, 0, -5);
        if (
in_array($grant_type, array('Select', 'Insert', 'Update', 'References'))
        ) {
            continue;
        }
        
// make a substitution to match the messages variables;
        // also we must substitute the grant we get, because we can't generate
        // a form variable containing blanks (those would get changed to
        // an underscore when receiving the POST)
        
if ($current_grant == 'Create View_priv') {
            
$tmp_current_grant = 'CreateView_priv';
            
$current_grant = 'Create_view_priv';
        } elseif (
$current_grant == 'Show view_priv') {
            
$tmp_current_grant = 'ShowView_priv';
            
$current_grant = 'Show_view_priv';
        } else {
            
$tmp_current_grant = $current_grant;
        }

        
$html_output .= '<div class="item">' . "\n"
           
. '<input type="checkbox"'
           
. ' name="' . $current_grant . '" id="checkbox_' . $current_grant
           
. '" value="Y" '
           
. ($current_grant_value == 'Y' ? 'checked="checked" ' : '')
           .
'title="';

        
$privGlobalName = 'strPrivDesc'
            
. /*overload*/mb_substr(
                
$tmp_current_grant,
                
0,
                (
/*overload*/mb_strlen($tmp_current_grant) - 5)
            );
        
$html_output .= (isset($GLOBALS[$privGlobalName])
                ?
$GLOBALS[$privGlobalName]
                :
$GLOBALS[$privGlobalName . 'Tbl']
            )
            .
'"/>' . "\n";

        
$privGlobalName1 = 'strPrivDesc'
            
. /*overload*/mb_substr(
                
$tmp_current_grant,
                
0,
                -
5
            
);
        
$html_output .= '<label for="checkbox_' . $current_grant
            
. '"><code><dfn title="'
            
. (isset($GLOBALS[$privGlobalName1])
                ?
$GLOBALS[$privGlobalName1]
                :
$GLOBALS[$privGlobalName1 . 'Tbl']
            )
            .
'">'
            
. /*overload*/mb_strtoupper(
                
/*overload*/mb_substr(
                    
$current_grant,
                    
0,
                    -
5
                
)
            )
            .
'</dfn></code></label>' . "\n"
            
. '</div>' . "\n";
    }
// end foreach ()
    
return $html_output;
}

/**
* Get HTML for global or database specific privileges
*
* @param string $db    the database
* @param string $table the table
* @param array  $row   first row from result or boolean false
*
* @return string $html_output
*/
function PMA_getHtmlForGlobalOrDbSpecificPrivs($db, $table, $row)
{
    
$privTable_names = array(0 => __('Data'),
        
1 => __('Structure'),
        
2 => __('Administration')
    );
    
$privTable = array();
    
// d a t a
    
$privTable[0] = PMA_getDataPrivilegeTable($db);

    
// s t r u c t u r e
    
$privTable[1] = PMA_getStructurePrivilegeTable($table, $row);

    
// a d m i n i s t r a t i o n
    
$privTable[2] = PMA_getAdministrationPrivilegeTable($db);

    
$html_output = '<input type="hidden" name="grant_count" value="'
        
. (count($privTable[0])
            +
count($privTable[1])
            +
count($privTable[2])
            - (isset(
$row['Grant_priv']) ? 1 : 0)
        )
        .
'" />';
    if (
$db == '*') {
        
$legend     = __('Global privileges');
        
$menu_label = __('Global');
    } else if (
$table == '*') {
        
$legend     = __('Database-specific privileges');
        
$menu_label = __('Database');
    } else {
        
$legend     = __('Table-specific privileges');
        
$menu_label = __('Table');
    }
    
$html_output .= '<fieldset id="fieldset_user_global_rights">'
        
. '<legend data-submenu-label="' . $menu_label . '">' . $legend
        
. '<input type="checkbox" id="addUsersForm_checkall" '
        
. 'class="checkall_box" title="' . __('Check all') . '" /> '
        
. '<label for="addUsersForm_checkall">' . __('Check all') . '</label> '
        
. '</legend>'
        
. '<p><small><i>'
        
. __('Note: MySQL privilege names are expressed in English.')
        .
'</i></small></p>';

    
// Output the Global privilege tables with checkboxes
    
$html_output .= PMA_getHtmlForGlobalPrivTableWithCheckboxes(
        
$privTable, $privTable_names, $row
    
);

    
// The "Resource limits" box is not displayed for db-specific privs
    
if ($db == '*') {
        
$html_output .= PMA_getHtmlForResourceLimits($row);
        
$html_output .= PMA_getHtmlForRequires($row);
    }
    
// for Safari 2.0.2
    
$html_output .= '<div class="clearfloat"></div>';

    return
$html_output;
}

/**
* Get data privilege table as an array
*
* @param string $db the database
*
* @return string data privilege table
*/
function PMA_getDataPrivilegeTable($db)
{
    
$data_privTable = array(
        array(
'Select', 'SELECT', __('Allows reading data.')),
        array(
'Insert', 'INSERT', __('Allows inserting and replacing data.')),
        array(
'Update', 'UPDATE', __('Allows changing data.')),
        array(
'Delete', 'DELETE', __('Allows deleting data.'))
    );
    if (
$db == '*') {
        
$data_privTable[]
            = array(
'File',
                
'FILE',
                
__('Allows importing data from and exporting data into files.')
            );
    }
    return
$data_privTable;
}

/**
* Get structure privilege table as an array
*
* @param string $table the table
* @param array  $row   first row from result or boolean false
*
* @return string structure privilege table
*/
function PMA_getStructurePrivilegeTable($table, $row)
{
    
$structure_privTable = array(
        array(
'Create',
            
'CREATE',
            (
$table == '*'
                
? __('Allows creating new databases and tables.')
                :
__('Allows creating new tables.')
            )
        ),
        array(
'Alter',
            
'ALTER',
            
__('Allows altering the structure of existing tables.')
        ),
        array(
'Index', 'INDEX', __('Allows creating and dropping indexes.')),
        array(
'Drop',
            
'DROP',
            (
$table == '*'
                
? __('Allows dropping databases and tables.')
                :
__('Allows dropping tables.')
            )
        ),
        array(
'Create_tmp_table',
            
'CREATE TEMPORARY TABLES',
            
__('Allows creating temporary tables.')
        ),
        array(
'Show_view',
            
'SHOW VIEW',
            
__('Allows performing SHOW CREATE VIEW queries.')
        ),
        array(
'Create_routine',
            
'CREATE ROUTINE',
            
__('Allows creating stored routines.')
        ),
        array(
'Alter_routine',
            
'ALTER ROUTINE',
            
__('Allows altering and dropping stored routines.')
        ),
        array(
'Execute', 'EXECUTE', __('Allows executing stored routines.')),
    );
    
// this one is for a db-specific priv: Create_view_priv
    
if (isset($row['Create_view_priv'])) {
        
$structure_privTable[] = array('Create_view',
            
'CREATE VIEW',
            
__('Allows creating new views.')
        );
    }
    
// this one is for a table-specific priv: Create View_priv
    
if (isset($row['Create View_priv'])) {
        
$structure_privTable[] = array('Create View',
            
'CREATE VIEW',
            
__('Allows creating new views.')
        );
    }
    if (isset(
$row['Event_priv'])) {
        
// MySQL 5.1.6
        
$structure_privTable[] = array('Event',
            
'EVENT',
            
__('Allows to set up events for the event scheduler.')
        );
        
$structure_privTable[] = array('Trigger',
            
'TRIGGER',
            
__('Allows creating and dropping triggers.')
        );
    }
    return
$structure_privTable;
}

/**
* Get administration privilege table as an array
*
* @param string $db the table
*
* @return string administration privilege table
*/
function PMA_getAdministrationPrivilegeTable($db)
{
    
$adminPrivTable = array(
        array(
'Grant',
            
'GRANT',
            
__(
                
'Allows adding users and privileges '
                
. 'without reloading the privilege tables.'
            
)
        ),
    );
    if (
$db == '*') {
        
$adminPrivTable[] = array('Super',
            
'SUPER',
            
__(
                
'Allows connecting, even if maximum number '
                
. 'of connections is reached; required for '
                
. 'most administrative operations like '
                
. 'setting global variables or killing threads of other users.'
            
)
        );
        
$adminPrivTable[] = array('Process',
            
'PROCESS',
            
__('Allows viewing processes of all users.')
        );
        
$adminPrivTable[] = array('Reload',
            
'RELOAD',
            
__('Allows reloading server settings and flushing the server\'s caches.')
        );
        
$adminPrivTable[] = array('Shutdown',
            
'SHUTDOWN',
            
__('Allows shutting down the server.')
        );
        
$adminPrivTable[] = array('Show_db',
            
'SHOW DATABASES',
            
__('Gives access to the complete list of databases.')
        );
    }
    
$adminPrivTable[] = array('Lock_tables',
        
'LOCK TABLES',
        
__('Allows locking tables for the current thread.')
    );
    
$adminPrivTable[] = array('References',
        
'REFERENCES',
        
__('Has no effect in this MySQL version.')
    );
    if (
$db == '*') {
        
$adminPrivTable[] = array('Repl_client',
            
'REPLICATION CLIENT',
            
__('Allows the user to ask where the slaves / masters are.')
        );
        
$adminPrivTable[] = array('Repl_slave',
            
'REPLICATION SLAVE',
            
__('Needed for the replication slaves.')
        );
        
$adminPrivTable[] = array('Create_user',
            
'CREATE USER',
            
__('Allows creating, dropping and renaming user accounts.')
        );
    }
    return
$adminPrivTable;
}

/**
* Get HTML snippet for global privileges table with check boxes
*
* @param array $privTable       privileges table array
* @param array $privTable_names names of the privilege tables
*                               (Data, Structure, Administration)
* @param array $row             first row from result or boolean false
*
* @return string $html_output
*/
function PMA_getHtmlForGlobalPrivTableWithCheckboxes(
    
$privTable, $privTable_names, $row
) {
    
$html_output = '';
    foreach (
$privTable as $i => $table) {
        
$html_output .= '<fieldset>' . "\n"
            
. '<legend>' . "\n"
            
. '<input type="checkbox" class="sub_checkall_box"'
            
. ' id="checkall_' . $privTable_names[$i] . '_priv"'
            
. ' title="' . __('Check all') . '"/>'
            
. '<label for="checkall_' . $privTable_names[$i] . '_priv">'
            
. $privTable_names[$i] . '</label>' . "\n"
            
. '</legend>' . "\n";
        foreach (
$table as $priv) {
            
$html_output .= '<div class="item">' . "\n"
                
. '<input type="checkbox" class="checkall"'
                
. ' name="' . $priv[0] . '_priv" '
                
. 'id="checkbox_' . $priv[0] . '_priv"'
                
. ' value="Y" title="' . $priv[2] . '"'
                
. ((isset($row[$priv[0] . '_priv'])
                    &&
$row[$priv[0] . '_priv'] == 'Y')
                    ?  
' checked="checked"'
                    
: ''
                
)
                .
'/>' . "\n"
                
. '<label for="checkbox_' . $priv[0] . '_priv">'
                
. '<code>'
                
. PMA_formatPrivilege($priv, true)
                .
'</code></label>' . "\n"
                
. '</div>' . "\n";
        }
        
$html_output .= '</fieldset>' . "\n";
    }
    return
$html_output;
}

/**
* Displays the fields used by the "new user" form as well as the
* "change login information / copy user" form.
*
* @param string $mode     are we creating a new user or are we just
*                         changing  one? (allowed values: 'new', 'change')
* @param string $username User name
* @param string $hostname Host name
*
* @global  array      $cfg     the phpMyAdmin configuration
* @global  resource   $user_link the database connection
*
* @return string $html_output  a HTML snippet
*/
function PMA_getHtmlForLoginInformationFields(
    
$mode = 'new',
    
$username = null,
    
$hostname = null
) {
    list(
$username_length, $hostname_length) = PMA_getUsernameAndHostnameLength();

    if (isset(
$GLOBALS['username'])
        &&
/*overload*/mb_strlen($GLOBALS['username']) === 0
    
) {
        
$GLOBALS['pred_username'] = 'any';
    }
    
$html_output = '<fieldset id="fieldset_add_user_login">' . "\n"
        
. '<legend>' . __('Login Information') . '</legend>' . "\n"
        
. '<div class="item">' . "\n"
        
. '<label for="select_pred_username">' . "\n"
        
. '    ' . __('User name:') . "\n"
        
. '</label>' . "\n"
        
. '<span class="options">' . "\n";

    
$html_output .= '<select name="pred_username" id="select_pred_username" '
        
. 'title="' . __('User name') . '"' . "\n";

    
$html_output .= '        onchange="'
        
. 'if (this.value == \'any\') {'
        
. '    username.value = \'\'; '
        
. '    user_exists_warning.style.display = \'none\'; '
        
. '    username.required = false; '
        
. '} else if (this.value == \'userdefined\') {'
        
. '    username.focus(); username.select(); '
        
. '    username.required = true; '
        
. '}">' . "\n";

    
$html_output .= '<option value="any"'
        
. ((isset($GLOBALS['pred_username']) && $GLOBALS['pred_username'] == 'any')
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Any user')
        .
'</option>' . "\n";

    
$html_output .= '<option value="userdefined"'
        
. ((! isset($GLOBALS['pred_username'])
                ||
$GLOBALS['pred_username'] == 'userdefined'
            
)
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Use text field')
        .
':</option>' . "\n";

    
$html_output .= '</select>' . "\n"
        
. '</span>' . "\n";

    
$html_output .= '<input type="text" name="username" class="autofocus"'
        
. ' maxlength="' . $username_length . '" title="' . __('User name') . '"'
        
. (empty($GLOBALS['username'])
           ?
''
           
: ' value="' . htmlspecialchars(
               isset(
$GLOBALS['new_username'])
               ?
$GLOBALS['new_username']
               :
$GLOBALS['username']
           ) .
'"'
        
)
        .
' onchange="pred_username.value = \'userdefined\'; this.required = true;" '
        
. ((! isset($GLOBALS['pred_username'])
                ||
$GLOBALS['pred_username'] == 'userdefined'
            
)
            ?
'required="required"'
            
: '') . ' />' . "\n";

    
$html_output .= '<div id="user_exists_warning"'
        
. ' name="user_exists_warning" style="display:none;">'
        
. PMA_Message::notice(
            
__(
                
'An account already exists with the same username '
                
. 'but possibly a different hostname.'
            
)
        )->
getDisplay()
        .
'</div>';
    
$html_output .= '</div>';

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="select_pred_hostname">' . "\n"
        
. '    ' . __('Host name:') . "\n"
        
. '</label>' . "\n";

    
$html_output .= '<span class="options">' . "\n"
        
. '    <select name="pred_hostname" id="select_pred_hostname" '
        
. 'title="' . __('Host name') . '"' . "\n";
    
$_current_user = $GLOBALS['dbi']->fetchValue('SELECT USER();');
    if (! empty(
$_current_user)) {
        
$thishost = str_replace(
            
"'",
            
'',
            
/*overload*/mb_substr(
                
$_current_user,
                (
/*overload*/mb_strrpos($_current_user, '@') + 1)
            )
        );
        if (
$thishost == 'localhost' || $thishost == '127.0.0.1') {
            unset(
$thishost);
        }
    }
    
$html_output .= '    onchange="'
        
. 'if (this.value == \'any\') { '
        
. '     hostname.value = \'%\'; '
        
. '} else if (this.value == \'localhost\') { '
        
. '    hostname.value = \'localhost\'; '
        
. '} '
        
. (empty($thishost)
            ?
''
            
: 'else if (this.value == \'thishost\') { '
            
. '    hostname.value = \'' . addslashes(htmlspecialchars($thishost))
            .
'\'; '
            
. '} '
        
)
        .
'else if (this.value == \'hosttable\') { '
        
. '    hostname.value = \'\'; '
        
. '    hostname.required = false; '
        
. '} else if (this.value == \'userdefined\') {'
        
. '    hostname.focus(); hostname.select(); '
        
. '    hostname.required = true; '
        
. '}">' . "\n";
    unset(
$_current_user);

    
// when we start editing a user, $GLOBALS['pred_hostname'] is not defined
    
if (! isset($GLOBALS['pred_hostname']) && isset($GLOBALS['hostname'])) {
        switch (
/*overload*/mb_strtolower($GLOBALS['hostname'])) {
        case
'localhost':
        case
'127.0.0.1':
            
$GLOBALS['pred_hostname'] = 'localhost';
            break;
        case
'%':
            
$GLOBALS['pred_hostname'] = 'any';
            break;
        default:
            
$GLOBALS['pred_hostname'] = 'userdefined';
            break;
        }
    }
    
$html_output .=  '<option value="any"'
        
. ((isset($GLOBALS['pred_hostname'])
                &&
$GLOBALS['pred_hostname'] == 'any'
            
)
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Any host')
        .
'</option>' . "\n"
        
. '<option value="localhost"'
        
. ((isset($GLOBALS['pred_hostname'])
                &&
$GLOBALS['pred_hostname'] == 'localhost'
            
)
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Local')
        .
'</option>' . "\n";
    if (! empty(
$thishost)) {
        
$html_output .= '<option value="thishost"'
            
. ((isset($GLOBALS['pred_hostname'])
                    &&
$GLOBALS['pred_hostname'] == 'thishost'
                
)
                ?
' selected="selected"'
                
: '') . '>'
            
. __('This Host')
            .
'</option>' . "\n";
    }
    unset(
$thishost);
    
$html_output .= '<option value="hosttable"'
        
. ((isset($GLOBALS['pred_hostname'])
                &&
$GLOBALS['pred_hostname'] == 'hosttable'
            
)
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Use Host Table')
        .
'</option>' . "\n";

    
$html_output .= '<option value="userdefined"'
        
. ((isset($GLOBALS['pred_hostname'])
                &&
$GLOBALS['pred_hostname'] == 'userdefined'
            
)
            ?
' selected="selected"'
            
: '') . '>'
        
. __('Use text field:') . '</option>' . "\n"
        
. '</select>' . "\n"
        
. '</span>' . "\n";

    
$html_output .= '<input type="text" name="hostname" maxlength="'
        
. $hostname_length . '" value="'
        
// use default value of '%' to match with the default 'Any host'
        
. htmlspecialchars(isset($GLOBALS['hostname']) ? $GLOBALS['hostname'] : '%')
        .
'" title="' . __('Host name')
        .
'" onchange="pred_hostname.value = \'userdefined\'; '
        
. 'this.required = true;" '
        
. ((isset($GLOBALS['pred_hostname'])
                &&
$GLOBALS['pred_hostname'] == 'userdefined'
            
)
            ?
'required="required"'
            
: '')
        .
' />' . "\n"
        
. PMA_Util::showHint(
            
__(
                
'When Host table is used, this field is ignored '
                
. 'and values stored in Host table are used instead.'
            
)
        )
        .
'</div>' . "\n";

    
$orig_auth_plugin = PMA_getCurrentAuthenticationPlugin(
        
$mode, $username, $hostname
    
);

    
$html_output .= '<div class="item">' . "\n"
        
. '<label for="select_pred_password">' . "\n"
        
. '    ' . __('Password:') . "\n"
        
. '</label>' . "\n"
        
. '<span class="options">' . "\n"
        
. '<select name="pred_password" id="select_pred_password" title="'
        
. __('Password') . '"' . "\n";

    
$html_output .= '            onchange="'
        
. 'if (this.value == \'none\') { '
        
. '    pma_pw.value = \'\'; pma_pw2.value = \'\'; '
        
. '    pma_pw.required = false; pma_pw2.required = false; '
        
. '} else if (this.value == \'userdefined\') { '
        
. '    pma_pw.focus(); pma_pw.select(); '
        
. '    pma_pw.required = true; pma_pw2.required = true; '
        
. '} else { '
        
. '    pma_pw.required = false; pma_pw2.required = false; '
        
. '}">' . "\n"
        
. ($mode == 'change' ? '<option value="keep" selected="selected">'
            
. __('Do not change the password')
            .
'</option>' . "\n" : '')
        .
'<option value="none"';

    if (isset(
$GLOBALS['username']) && $mode != 'change') {
        
$html_output .= '  selected="selected"';
    }
    
$html_output .= '>' . __('No Password') . '</option>' . "\n"
        
. '<option value="userdefined"'
        
. (isset($GLOBALS['username']) ? '' : ' selected="selected"') . '>'
        
. __('Use text field')
        .
':</option>' . "\n"
        
. '</select>' . "\n"
        
. '</span>' . "\n"
        
. '<input type="password" id="text_pma_pw" name="pma_pw" '
        
. 'title="' . __('Password') . '" '
        
. 'onchange="pred_password.value = \'userdefined\'; this.required = true; '
        
. 'pma_pw2.required = true;" '
        
. (isset($GLOBALS['username']) ? '' : 'required="required"')
        .
'/>' . "\n"
        
. '</div>' . "\n";

    
$html_output .= '<div class="item" '
        
. 'id="div_element_before_generate_password">' . "\n"
        
. '<label for="text_pma_pw2">' . "\n"
        
. '    ' . __('Re-type:') . "\n"
        
. '</label>' . "\n"
        
. '<span class="options">&nbsp;</span>' . "\n"
        
. '<input type="password" name="pma_pw2" id="text_pma_pw2" '
        
. 'title="' . __('Re-type') . '" '
        
. 'onchange="pred_password.value = \'userdefined\'; this.required = true; '
        
. 'pma_pw.required = true;" '
        
. (isset($GLOBALS['username']) ? '' : 'required="required"')
        .
'/>' . "\n"
        
. '</div>' . "\n"
        
. '<div class="item" id="authentication_plugin_div">'
        
. '<label for="select_authentication_plugin" >'
        
. __('Authentication Plugin')
        .
'</label><span class="options">&nbsp;</span>' . "\n"
        
. '<select id="select_authentication_plugin" name="authentication_plugin" '
        
. 'title="' . __('Authentication Plugin') . '" >'
        
. '<option value="mysql_native_password" '
        
. ($orig_auth_plugin == 'mysql_native_password' ? 'selected ' : '')
        .
'>' . __('MySQL native password') . '</option>';

    
// sha256 auth plugin exists only for 5.6.6+
    
if (PMA_Util::getServerType() == 'MySQL'
        
&& PMA_MYSQL_INT_VERSION >= 50606
    
) {
        
$html_output .= '<option value="sha256_password" '
        
. ($orig_auth_plugin == 'sha256_password' ? ' selected ' : '')
        .
' >' . __('SHA256 password') . '</option>';
    }

    
$html_output .= '</select>'
        
. '<div id="ssl_reqd_warning" '
        
. ($orig_auth_plugin == 'sha256_password' ? '' : ' style="display:none"')
        .
' >'
        
. PMA_Message::notice(
            
__(
                
'This method requires using an \'<i>SSL connection</i>\' '
                
. 'or an \'<i>unencrypted connection that encrypts the password '
                
. 'using RSA</i>\'; while connecting to the server.'
            
)
            .
PMA_Util::showMySQLDocu('sha256-authentication-plugin')
        )->
getDisplay()
        .
'</div>'
        
. '</div>' . "\n"
       
// Generate password added here via jQuery
       
. '</fieldset>' . "\n";

    return
$html_output;
}
// end of the 'PMA_getHtmlForLoginInformationFields()' function

/**
* Get username and hostname length
*
* @return array username length and hostname length
*/
function PMA_getUsernameAndHostnameLength()
{
    
/* Fallback values */
    
$username_length = 16;
    
$hostname_length = 41;

    
/* Try to get real lengths from the database */
    
$fields_info = $GLOBALS['dbi']->fetchResult(
        
'SELECT COLUMN_NAME, CHARACTER_MAXIMUM_LENGTH '
        
. 'FROM information_schema.columns '
        
. "WHERE table_schema = 'mysql' AND table_name = 'user' "
        
. "AND COLUMN_NAME IN ('User', 'Host')"
    
);
    foreach (
$fields_info as $val) {
        if (
$val['COLUMN_NAME'] == 'User') {
            
$username_length = $val['CHARACTER_MAXIMUM_LENGTH'];
        } elseif (
$val['COLUMN_NAME'] == 'Host') {
            
$hostname_length = $val['CHARACTER_MAXIMUM_LENGTH'];
        }
    }
    return array(
$username_length, $hostname_length);
}

/**
* Get current authentication plugin in use - for a user or globally
*
* @param string $mode     are we creating a new user or are we just
*                         changing  one? (allowed values: 'new', 'change')
* @param string $username User name
* @param string $hostname Host name
*
* @return string authentication plugin in use
*/
function PMA_getCurrentAuthenticationPlugin(
    
$mode = 'new',
    
$username = null,
    
$hostname = null
) {
    
/* Fallback (standard) value */
    
$authentication_plugin = 'mysql_native_password';

    if (isset(
$username) && isset($hostname)
        &&
$mode == 'change'
    
) {
        
$row = $GLOBALS['dbi']->fetchSingleRow(
            
'SELECT `plugin` FROM `mysql`.`user` WHERE '
            
. '`User` = "' . $username . '" AND `Host` = "' . $hostname . '" LIMIT 1'
        
);
        
// Table 'mysql'.'user' may not exist for some previous
        // versions of MySQL - in that case consider fallback value
        
if (isset($row) && $row) {
            
$authentication_plugin = $row['plugin'];
        }
    } elseif (
$mode == 'change') {
        
$row = $GLOBALS['dbi']->fetchSingleRow(
            
'SELECT CURRENT_USER() as user;'
        
);
        if (isset(
$row) && $row) {
            list(
$username, $hostname) = explode('@', $row['user']);
        }

        
$row = $GLOBALS['dbi']->fetchSingleRow(
            
'SELECT `plugin` FROM `mysql`.`user` WHERE '
            
. '`User` = "' . $username . '" AND `Host` = "' . $hostname . '"'
        
);
        if (isset(
$row) && $row && ! empty($row['plugin'])) {
            
$authentication_plugin = $row['plugin'];
        }
    } elseif (
PMA_MYSQL_INT_VERSION >= 50702) {
        
$row = $GLOBALS['dbi']->fetchSingleRow(
            
'SELECT @@default_authentication_plugin'
        
);
        
$authentication_plugin = $row['@@default_authentication_plugin'];
    }

    return
$authentication_plugin;
}

/**
* Returns all the grants for a certain user on a certain host
* Used in the export privileges for all users section
*
* @param string $user User name
* @param string $host Host name
*
* @return string containing all the grants text
*/
function PMA_getGrants($user, $host)
{
    
$grants = $GLOBALS['dbi']->fetchResult(
        
"SHOW GRANTS FOR '"
        
. PMA_Util::sqlAddSlashes($user) . "'@'"
        
. PMA_Util::sqlAddSlashes($host) . "'"
    
);
    
$response = '';
    foreach (
$grants as $one_grant) {
        
$response .= $one_grant . ";\n\n";
    }
    return
$response;
}
// end of the 'PMA_getGrants()' function

/**
* Update password and get message for password updating
*
* @param string $err_url  error url
* @param string $username username
* @param string $hostname hostname
*
* @return string $message  success or error message after updating password
*/
function PMA_updatePassword($err_url, $username, $hostname)
{
    
// similar logic in user_password.php
    
$message = '';

    if (empty(
$_REQUEST['nopass'])
        && isset(
$_POST['pma_pw'])
        && isset(
$_POST['pma_pw2'])
    ) {
        if (
$_POST['pma_pw'] != $_POST['pma_pw2']) {
            
$message = PMA_Message::error(__('The passwords aren\'t the same!'));
        } elseif (empty(
$_POST['pma_pw']) || empty($_POST['pma_pw2'])) {
            
$message = PMA_Message::error(__('The password is empty!'));
        }
    }

    
// here $nopass could be == 1
    
if (empty($message)) {
        if (
PMA_Util::getServerType() == 'MySQL'
            
&& PMA_MYSQL_INT_VERSION >= 50706
        
) {
            if (! empty(
$_REQUEST['pw_hash']) && $_REQUEST['pw_hash'] != 'old') {
                
$query_prefix = "ALTER USER '"
                    
. PMA_Util::sqlAddSlashes($username)
                    .
"'@'" . PMA_Util::sqlAddSlashes($hostname) . "'"
                    
. " IDENTIFIED WITH " . $_REQUEST['pw_hash']
                    .
" BY '";
            } else {
                
$query_prefix = "ALTER USER '"
                    
. PMA_Util::sqlAddSlashes($username)
                    .
"'@'" . PMA_Util::sqlAddSlashes($hostname) . "'"
                    
. " IDENTIFIED BY '";
            }

            
// in $sql_query which will be displayed, hide the password
            
$sql_query = $query_prefix . "*'";

            
$local_query = $query_prefix
                
. PMA_Util::sqlAddSlashes($_POST['pma_pw']) . "'";
        } else {
            if (! empty(
$_REQUEST['pw_hash']) && $_REQUEST['pw_hash'] == 'old') {
                
$hashing_function = 'OLD_PASSWORD';
            } elseif (! empty(
$_REQUEST['pw_hash'])
                &&
$_REQUEST['pw_hash'] == 'sha256_password'
            
) {
                
$hashing_function = 'PASSWORD';

                
// Backup the old value, to be reset later
                
$row = $GLOBALS['dbi']->fetchSingleRow(
                    
'SELECT @@old_passwords;'
                
);
                
$orig_value = $row['@@old_passwords'];
                
// Set the hashing method used by PASSWORD()
                // to be 'sha256_password' type
                
$GLOBALS['dbi']->tryQuery('SET old_passwords = 2;');
            } else {
                
$hashing_function = 'PASSWORD';
            }

            
$sql_query        = 'SET PASSWORD FOR \''
                
. PMA_Util::sqlAddSlashes($username)
                .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\' = '
                
. (($_POST['pma_pw'] == '')
                    ?
'\'\''
                    
: $hashing_function . '(\''
                    
. preg_replace('@.@s', '*', $_POST['pma_pw']) . '\')');

            
$local_query      = 'SET PASSWORD FOR \''
                
. PMA_Util::sqlAddSlashes($username)
                .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\' = '
                
. (($_POST['pma_pw'] == '') ? '\'\'' : $hashing_function
                
. '(\'' . PMA_Util::sqlAddSlashes($_POST['pma_pw']) . '\')');
        }

        
$GLOBALS['dbi']->tryQuery($local_query)
            or
PMA_Util::mysqlDie(
                
$GLOBALS['dbi']->getError(), $sql_query, false, $err_url
            
);
        
$message = PMA_Message::success(
            
__('The password for %s was changed successfully.')
        );
        
$message->addParam(
            
'\'' . htmlspecialchars($username)
            .
'\'@\'' . htmlspecialchars($hostname) . '\''
        
);
        if (isset(
$orig_value)) {
            
$GLOBALS['dbi']->tryQuery(
                
'SET `old_passwords` = ' . $orig_value . ';'
            
);
        }
    }
    return
$message;
}

/**
* Revokes privileges and get message and SQL query for privileges revokes
*
* @param string $dbname    database name
* @param string $tablename table name
* @param string $username  username
* @param string $hostname  host name
*
* @return array ($message, $sql_query)
*/
function PMA_getMessageAndSqlQueryForPrivilegesRevoke($dbname,
    
$tablename, $username, $hostname
) {
    
$db_and_table = PMA_wildcardEscapeForGrant($dbname, $tablename);

    
$sql_query0 = 'REVOKE ALL PRIVILEGES ON ' . $db_and_table
        
. ' FROM \''
        
. PMA_Util::sqlAddSlashes($username) . '\'@\''
        
. PMA_Util::sqlAddSlashes($hostname) . '\';';

    
$sql_query1 = 'REVOKE GRANT OPTION ON ' . $db_and_table
        
. ' FROM \'' . PMA_Util::sqlAddSlashes($username) . '\'@\''
        
. PMA_Util::sqlAddSlashes($hostname) . '\';';

    
$GLOBALS['dbi']->query($sql_query0);
    if (!
$GLOBALS['dbi']->tryQuery($sql_query1)) {
        
// this one may fail, too...
        
$sql_query1 = '';
    }
    
$sql_query = $sql_query0 . ' ' . $sql_query1;
    
$message = PMA_Message::success(
        
__('You have revoked the privileges for %s.')
    );
    
$message->addParam(
        
'\'' . htmlspecialchars($username)
        .
'\'@\'' . htmlspecialchars($hostname) . '\''
    
);

    return array(
$message, $sql_query);
}

/**
* Get REQUIRE cluase
*
* @return string REQUIRE clause
*/
function PMA_getRequireClause()
{
    
$require_clause = "";
    if (isset(
$_POST['SSL_priv']) && $_POST['SSL_priv'] == 'Y') {
        if (isset(
$_POST['ssl_type']) && $_POST['ssl_type'] == 'specified') {
            
$require = array();
            if (! empty(
$_POST['ssl_cipher'])) {
                
$require[] = "CIPHER '"
                        
. PMA_Util::sqlAddSlashes($_POST['ssl_cipher']) . "'";
            }
            if (! empty(
$_POST['x509_issuer'])) {
                
$require[] = "ISSUER '"
                        
. PMA_Util::sqlAddSlashes($_POST['x509_issuer']) . "'";
            }
            if (! empty(
$_POST['x509_subject'])) {
                
$require[] = "SUBJECT '"
                        
. PMA_Util::sqlAddSlashes($_POST['x509_subject']) . "'";
            }
            if (
count($require)) {
                
$require_clause = " REQUIRE " . implode(" AND ", $require);
            } else {
                
$require_clause = " REQUIRE NONE";
            }
        } elseif (isset(
$_POST['ssl_type']) && $_POST['ssl_type'] == 'X509') {
            
$require_clause = " REQUIRE X509";
        } elseif (isset(
$_POST['ssl_type']) && $_POST['ssl_type'] == 'ANY') {
            
$require_clause = " REQUIRE SSL";
        }
    } else {
        
$require_clause = " REQUIRE NONE";
    }

    return
$require_clause;
}

/**
* Get a WITH clause for 'update privileges' and 'add user'
*
* @return string $sql_query
*/
function PMA_getWithClauseForAddUserAndUpdatePrivs()
{
    
$sql_query = '';
    if (isset(
$_POST['Grant_priv']) && $_POST['Grant_priv'] == 'Y') {
        
$sql_query .= ' GRANT OPTION';
    }
    if (isset(
$_POST['max_questions'])) {
        
$max_questions = max(0, (int)$_POST['max_questions']);
        
$sql_query .= ' MAX_QUERIES_PER_HOUR ' . $max_questions;
    }
    if (isset(
$_POST['max_connections'])) {
        
$max_connections = max(0, (int)$_POST['max_connections']);
        
$sql_query .= ' MAX_CONNECTIONS_PER_HOUR ' . $max_connections;
    }
    if (isset(
$_POST['max_updates'])) {
        
$max_updates = max(0, (int)$_POST['max_updates']);
        
$sql_query .= ' MAX_UPDATES_PER_HOUR ' . $max_updates;
    }
    if (isset(
$_POST['max_user_connections'])) {
        
$max_user_connections = max(0, (int)$_POST['max_user_connections']);
        
$sql_query .= ' MAX_USER_CONNECTIONS ' . $max_user_connections;
    }
    return ((!empty(
$sql_query)) ? ' WITH' . $sql_query : '');
}

/**
* Get HTML for addUsersForm, This function call if isset($_REQUEST['adduser'])
*
* @param string $dbname database name
*
* @return string HTML for addUserForm
*/
function PMA_getHtmlForAddUser($dbname)
{
    
$html_output = '<h2>' . "\n"
       
. PMA_Util::getIcon('b_usradd.png') . __('Add user account') . "\n"
       
. '</h2>' . "\n"
       
. '<form name="usersForm" id="addUsersForm"'
       
. ' onsubmit="return checkAddUser(this);"'
       
. ' action="server_privileges.php" method="post" autocomplete="off" >' . "\n"
       
. PMA_URL_getHiddenInputs('', '')
       .
PMA_getHtmlForLoginInformationFields('new');

    
$html_output .= '<fieldset id="fieldset_add_user_database">' . "\n"
        
. '<legend>' . __('Database for user account') . '</legend>' . "\n";

    
$html_output .= PMA_Util::getCheckbox(
        
'createdb-1',
        
__('Create database with same name and grant all privileges.'),
        
false, false, 'createdb-1'
    
);
    
$html_output .= '<br />' . "\n";
    
$html_output .= PMA_Util::getCheckbox(
        
'createdb-2',
        
__('Grant all privileges on wildcard name (username\\_%).'),
        
false, false, 'createdb-2'
    
);
    
$html_output .= '<br />' . "\n";

    if (! empty(
$dbname) ) {
        
$html_output .= PMA_Util::getCheckbox(
            
'createdb-3',
            
sprintf(
                
__('Grant all privileges on database "%s".'),
                
htmlspecialchars($dbname)
            ),
            
true,
            
false,
            
'createdb-3'
        
);
        
$html_output .= '<input type="hidden" name="dbname" value="'
            
. htmlspecialchars($dbname) . '" />' . "\n";
        
$html_output .= '<br />' . "\n";
    }

    
$html_output .= '</fieldset>' . "\n";
    if (
$GLOBALS['is_grantuser']) {
        
$html_output .= PMA_getHtmlToDisplayPrivilegesTable('*', '*', false);
    }
    
$html_output .= '<fieldset id="fieldset_add_user_footer" class="tblFooters">'
        
. "\n"
        
. '<input type="hidden" name="adduser_submit" value="1" />' . "\n"
        
. '<input type="submit" id="adduser_submit" value="' . __('Go') . '" />'
        
. "\n"
        
. '</fieldset>' . "\n"
        
. '</form>' . "\n";

    return
$html_output;
}

/**
* Get the list of privileges and list of compared privileges as strings
* and return a array that contains both strings
*
* @return array $list_of_privileges, $list_of_compared_privileges
*/
function PMA_getListOfPrivilegesAndComparedPrivileges()
{
    
$list_of_privileges
        
= '`User`, '
        
. '`Host`, '
        
. '`Select_priv`, '
        
. '`Insert_priv`, '
        
. '`Update_priv`, '
        
. '`Delete_priv`, '
        
. '`Create_priv`, '
        
. '`Drop_priv`, '
        
. '`Grant_priv`, '
        
. '`Index_priv`, '
        
. '`Alter_priv`, '
        
. '`References_priv`, '
        
. '`Create_tmp_table_priv`, '
        
. '`Lock_tables_priv`, '
        
. '`Create_view_priv`, '
        
. '`Show_view_priv`, '
        
. '`Create_routine_priv`, '
        
. '`Alter_routine_priv`, '
        
. '`Execute_priv`';

    
$listOfComparedPrivs
        
= '`Select_priv` = \'N\''
        
. ' AND `Insert_priv` = \'N\''
        
. ' AND `Update_priv` = \'N\''
        
. ' AND `Delete_priv` = \'N\''
        
. ' AND `Create_priv` = \'N\''
        
. ' AND `Drop_priv` = \'N\''
        
. ' AND `Grant_priv` = \'N\''
        
. ' AND `References_priv` = \'N\''
        
. ' AND `Create_tmp_table_priv` = \'N\''
        
. ' AND `Lock_tables_priv` = \'N\''
        
. ' AND `Create_view_priv` = \'N\''
        
. ' AND `Show_view_priv` = \'N\''
        
. ' AND `Create_routine_priv` = \'N\''
        
. ' AND `Alter_routine_priv` = \'N\''
        
. ' AND `Execute_priv` = \'N\'';

    
$list_of_privileges .=
        
', `Event_priv`, '
        
. '`Trigger_priv`';
    
$listOfComparedPrivs .=
        
' AND `Event_priv` = \'N\''
        
. ' AND `Trigger_priv` = \'N\'';
    return array(
$list_of_privileges, $listOfComparedPrivs);
}

/**
* Get the HTML for user form and check the privileges for a particular database.
*
* @param string $db database name
*
* @return string $html_output
*/
function PMA_getHtmlForSpecificDbPrivileges($db)
{
    
$html_output = '';
    if (
$GLOBALS['is_superuser']) {
        
// check the privileges for a particular database.
        
$html_output  = '<form id="usersForm" action="server_privileges.php">';
        
$html_output .= PMA_URL_getHiddenInputs($db);
        
$html_output .= '<fieldset>';
        
$html_output .= '<legend>' . "\n"
            
. PMA_Util::getIcon('b_usrcheck.png')
            .
'    '
            
. sprintf(
                
__('Users having access to "%s"'),
                
'<a href="' . PMA_Util::getScriptNameForOption(
                    
$GLOBALS['cfg']['DefaultTabDatabase'], 'database'
                
)
                .
PMA_URL_getCommon(array('db' => $db)) . '">'
                
.  htmlspecialchars($db)
                .
'</a>'
            
)
            .
"\n"
            
. '</legend>' . "\n";

        
$html_output .= '<table id="dbspecificuserrights" class="data">';
        
$html_output .= PMA_getHtmlForPrivsTableHead();
        
$privMap = PMA_getPrivMap($db);
        
$html_output .= PMA_getHtmlTableBodyForSpecificDbOrTablePrivs($privMap, $db);
        
$html_output .= '</table>';

        
$html_output .= '<div class="floatleft">';
        
$html_output .= PMA_Util::getWithSelected(
            
$GLOBALS['pmaThemeImage'], $GLOBALS['text_dir'], "usersForm"
        
);
        
$html_output .= PMA_Util::getButtonOrImage(
            
'submit_mult', 'mult_submit', 'submit_mult_export',
            
__('Export'), 'b_tblexport.png', 'export'
        
);

        
$html_output .= '</fieldset>';
        
$html_output .= '</form>';
    } else {
        
$html_output .= PMA_getHtmlForViewUsersError();
    }

    if (
$GLOBALS['is_ajax_request'] == true
        
&& empty($_REQUEST['ajax_page_request'])
    ) {
        
$message = PMA_Message::success(__('User has been added.'));
        
$response = PMA_Response::getInstance();
        
$response->addJSON('message', $message);
        
$response->addJSON('user_form', $html_output);
        exit;
    } else {
        
// Offer to create a new user for the current database
        
$html_output .= PMA_getAddUserHtmlFieldset($db);
    }
    return
$html_output;
}

/**
* Get the HTML for user form and check the privileges for a particular table.
*
* @param string $db    database name
* @param string $table table name
*
* @return string $html_output
*/
function PMA_getHtmlForSpecificTablePrivileges($db, $table)
{
    
$html_output = '';
    if (
$GLOBALS['is_superuser']) {
        
// check the privileges for a particular table.
        
$html_output  = '<form id="usersForm" action="server_privileges.php">';
        
$html_output .= PMA_URL_getHiddenInputs($db, $table);
        
$html_output .= '<fieldset>';
        
$html_output .= '<legend>'
            
. PMA_Util::getIcon('b_usrcheck.png')
            .
sprintf(
                
__('Users having access to "%s"'),
                
'<a href="' . PMA_Util::getScriptNameForOption(
                    
$GLOBALS['cfg']['DefaultTabTable'], 'table'
                
)
                .
PMA_URL_getCommon(
                    array(
                        
'db' => $db,
                        
'table' => $table,
                    )
                ) .
'">'
                
.  htmlspecialchars($db) . '.' . htmlspecialchars($table)
                .
'</a>'
            
)
            .
'</legend>';

        
$html_output .= '<table id="tablespecificuserrights" class="data">';
        
$html_output .= PMA_getHtmlForPrivsTableHead();
        
$privMap = PMA_getPrivMap($db);
        
$sql_query = "SELECT `User`, `Host`, `Db`,"
            
. " 't' AS `Type`, `Table_name`, `Table_priv`"
            
. " FROM `mysql`.`tables_priv`"
            
. " WHERE '" . PMA_Util::sqlAddSlashes($db) . "' LIKE `Db`"
            
. "     AND '" . PMA_Util::sqlAddSlashes($table) . "' LIKE `Table_name`"
            
. "     AND NOT (`Table_priv` = '' AND Column_priv = '')"
            
. " ORDER BY `User` ASC, `Host` ASC, `Db` ASC, `Table_priv` ASC;";
        
$res = $GLOBALS['dbi']->query($sql_query);
        
PMA_mergePrivMapFromResult($privMap, $res);
        
$html_output .= PMA_getHtmlTableBodyForSpecificDbOrTablePrivs($privMap, $db);
        
$html_output .= '</table>';

        
$html_output .= '<div class="floatleft">';
        
$html_output .= PMA_Util::getWithSelected(
            
$GLOBALS['pmaThemeImage'], $GLOBALS['text_dir'], "usersForm"
        
);
        
$html_output .= PMA_Util::getButtonOrImage(
            
'submit_mult', 'mult_submit', 'submit_mult_export',
            
__('Export'), 'b_tblexport.png', 'export'
        
);

        
$html_output .= '</fieldset>';
        
$html_output .= '</form>';
    } else {
        
$html_output .= PMA_getHtmlForViewUsersError();
    }
    
// Offer to create a new user for the current database
    
$html_output .= PMA_getAddUserHtmlFieldset($db, $table);
    return
$html_output;
}

/**
* gets privilege map
*
* @param string $db the database
*
* @return array $privMap the privilege map
*/
function PMA_getPrivMap($db)
{
    list(
$listOfPrivs, $listOfComparedPrivs)
        =
PMA_getListOfPrivilegesAndComparedPrivileges();
    
$sql_query
        
= "("
        
. " SELECT " . $listOfPrivs . ", '*' AS `Db`, 'g' AS `Type`"
        
. " FROM `mysql`.`user`"
        
. " WHERE NOT (" . $listOfComparedPrivs . ")"
        
. ")"
        
. " UNION "
        
. "("
        
. " SELECT " . $listOfPrivs . ", `Db`, 'd' AS `Type`"
        
. " FROM `mysql`.`db`"
        
. " WHERE '" . PMA_Util::sqlAddSlashes($db) . "' LIKE `Db`"
        
. "     AND NOT (" . $listOfComparedPrivs . ")"
        
. ")"
        
. " ORDER BY `User` ASC, `Host` ASC, `Db` ASC;";
    
$res = $GLOBALS['dbi']->query($sql_query);
    
$privMap = array();
    
PMA_mergePrivMapFromResult($privMap, $res);
    return
$privMap;
}

/**
* merge privilege map and rows from resultset
*
* @param array  &$privMap the privilege map reference
* @param object $result   the resultset of query
*
* @return void
*/
function PMA_mergePrivMapFromResult(&$privMap, $result)
{
    while (
$row = $GLOBALS['dbi']->fetchAssoc($result)) {
        
$user = $row['User'];
        
$host = $row['Host'];
        if (! isset(
$privMap[$user])) {
            
$privMap[$user] = array();
        }
        if (! isset(
$privMap[$user][$host])) {
            
$privMap[$user][$host] = array();
        }
        
$privMap[$user][$host][] = $row;
    }
}

/**
* Get HTML snippet for privileges table head
*
* @return string $html_output
*/
function PMA_getHtmlForPrivsTableHead()
{
    return
'<thead>'
        
. '<tr>'
        
. '<th></th>'
        
. '<th>' . __('User name') . '</th>'
        
. '<th>' . __('Host name') . '</th>'
        
. '<th>' . __('Type') . '</th>'
        
. '<th>' . __('Privileges') . '</th>'
        
. '<th>' . __('Grant') . '</th>'
        
. '<th>' . __('Action') . '</th>'
        
. '</tr>'
        
. '</thead>';
}

/**
* Get HTML error for View Users form
* For non superusers such as grant/create users
*
* @return string $html_output
*/
function PMA_getHtmlForViewUsersError()
{
    return
PMA_Message::error(
        
__('Not enough privilege to view users.')
    )->
getDisplay();
}

/**
* Get HTML snippet for table body of specific database or table privileges
*
* @param array  $privMap privilege map
* @param string $db      database
*
* @return string $html_output
*/
function PMA_getHtmlTableBodyForSpecificDbOrTablePrivs($privMap, $db)
{
    
$html_output = '<tbody>';
    
$index_checkbox = 0;
    
$odd_row = true;
    if (empty(
$privMap)) {
        
$html_output .= '<tr class="odd">'
            
. '<td colspan="6">'
            
. __('No user found.')
            .
'</td>'
            
. '</tr>'
            
. '</tbody>';
        return
$html_output;
    }

    foreach (
$privMap as $current_user => $val) {
        foreach (
$val as $current_host => $current_privileges) {
            
$nbPrivileges = count($current_privileges);
            
$html_output .= '<tr class="' . ($odd_row ? 'odd' : 'even') . '">';

            
$value = htmlspecialchars($current_user . '&amp;#27;' . $current_host);
            
$html_output .= '<td';
            if (
$nbPrivileges > 1) {
                
$html_output .= ' rowspan="' . $nbPrivileges . '"';
            }
            
$html_output .= '>';
            
$html_output .= '<input type="checkbox" class="checkall" '
                
. 'name="selected_usr[]" '
                
. 'id="checkbox_sel_users_' . ($index_checkbox++) . '" '
                
. 'value="' . $value . '" /></td>' . "\n";

            
// user
            
$html_output .= '<td';
            if (
$nbPrivileges > 1) {
                
$html_output .= ' rowspan="' . $nbPrivileges . '"';
            }
            
$html_output .= '>';
            if (empty(
$current_user)) {
                
$html_output .= '<span style="color: #FF0000">'
                    
. __('Any') . '</span>';
            } else {
                
$html_output .= htmlspecialchars($current_user);
            }
            
$html_output .= '</td>';

            
// host
            
$html_output .= '<td';
            if (
$nbPrivileges > 1) {
                
$html_output .= ' rowspan="' . $nbPrivileges . '"';
            }
            
$html_output .= '>';
            
$html_output .= htmlspecialchars($current_host);
            
$html_output .= '</td>';

            
$html_output .= PMA_getHtmlListOfPrivs(
                
$db, $current_privileges, $current_user,
                
$current_host, $odd_row
            
);

            
$odd_row = ! $odd_row;
        }
    }
    
$html_output .= '</tbody>';

    return
$html_output;
}

/**
* Get HTML to display privileges
*
* @param string  $db                 Database name
* @param array   $current_privileges List of privileges
* @param string  $current_user       Current user
* @param string  $current_host       Current host
* @param boolean $odd_row            Current row is odd
*
* @return string HTML to display privileges
*/
function PMA_getHtmlListOfPrivs(
    
$db, $current_privileges, $current_user,
    
$current_host, $odd_row
) {
    
$nbPrivileges = count($current_privileges);
    
$html_output = null;
    for (
$i = 0; $i < $nbPrivileges; $i++) {
        
$current = $current_privileges[$i];

        
// type
        
$html_output .= '<td>';
        if (
$current['Type'] == 'g') {
            
$html_output .= __('global');
        } elseif (
$current['Type'] == 'd') {
            if (
$current['Db'] == PMA_Util::escapeMysqlWildcards($db)) {
                
$html_output .= __('database-specific');
            } else {
                
$html_output .= __('wildcard') . ': '
                    
. '<code>'
                    
. htmlspecialchars($current['Db'])
                    .
'</code>';
            }
        } elseif (
$current['Type'] == 't') {
            
$html_output .= __('table-specific');
        }
        
$html_output .= '</td>';

        
// privileges
        
$html_output .= '<td>';
        if (isset(
$current['Table_name'])) {
            
$privList = explode(',', $current['Table_priv']);
            
$privs = array();
            
$grantsArr = PMA_getTableGrantsArray();
            foreach (
$grantsArr as $grant) {
                
$privs[$grant[0]] = 'N';
                foreach (
$privList as $priv) {
                    if (
$grant[0] == $priv) {
                        
$privs[$grant[0]] = 'Y';
                    }
                }
            }
            
$html_output .= '<code>'
                
. join(
                    
',',
                    
PMA_extractPrivInfo($privs, true, true)
                )
                .
'</code>';
        } else {
            
$html_output .= '<code>'
                
. join(
                    
',',
                    
PMA_extractPrivInfo($current, true, false)
                )
                .
'</code>';
        }
        
$html_output .= '</td>';

        
// grant
        
$html_output .= '<td>';
        
$containsGrant = false;
        if (isset(
$current['Table_name'])) {
            
$privList = explode(',', $current['Table_priv']);
            foreach (
$privList as $priv) {
                if (
$priv == 'Grant') {
                    
$containsGrant = true;
                }
            }
        } else {
            
$containsGrant = $current['Grant_priv'] == 'Y';
        }
        
$html_output .= ($containsGrant ? __('Yes') : __('No'));
        
$html_output .= '</td>';

        
// action
        
$html_output .= '<td>';
        if (
$GLOBALS['is_grantuser']) {
            
$specific_db = (isset($current['Db']) && $current['Db'] != '*')
                ?
$current['Db'] : '';
            
$specific_table = (isset($current['Table_name'])
                &&
$current['Table_name'] != '*')
                ?
$current['Table_name'] : '';
            
$html_output .= PMA_getUserLink(
                
'edit',
                
$current_user,
                
$current_host,
                
$specific_db,
                
$specific_table
            
);
        }
        
$html_output .= '</td>';

        
$html_output .= '</tr>';
        if ((
$i + 1) < $nbPrivileges) {
            
$html_output .= '<tr class="noclick '
                
. ($odd_row ? 'odd' : 'even') . '">';
        }
    }
    return
$html_output;
}

/**
* Returns edit, revoke or export link for a user.
*
* @param string $linktype  The link type (edit | revoke | export)
* @param string $username  User name
* @param string $hostname  Host name
* @param string $dbname    Database name
* @param string $tablename Table name
* @param string $initial   Initial value
*
* @return string HTML code with link
*/
function PMA_getUserLink(
    
$linktype, $username, $hostname, $dbname = '', $tablename = '', $initial = ''
) {
    
$html = '<a';
    switch(
$linktype) {
    case
'edit':
        
$html .= ' class="edit_user_anchor"';
        break;
    case
'export':
        
$html .= ' class="export_user_anchor ajax"';
        break;
    }
    
$params = array(
        
'username' => $username,
        
'hostname' => $hostname
    
);
    switch(
$linktype) {
    case
'edit':
        
$params['dbname'] = $dbname;
        
$params['tablename'] = $tablename;
        break;
    case
'revoke':
        
$params['dbname'] = $dbname;
        
$params['tablename'] = $tablename;
        
$params['revokeall'] = 1;
        break;
    case
'export':
        
$params['initial'] = $initial;
        
$params['export'] = 1;
        break;
    }

    
$html .= ' href="server_privileges.php'
        
. PMA_URL_getCommon($params)
        .
'">';

    switch(
$linktype) {
    case
'edit':
        
$html .= PMA_Util::getIcon('b_usredit.png', __('Edit privileges'));
        break;
    case
'revoke':
        
$html .= PMA_Util::getIcon('b_usrdrop.png', __('Revoke'));
        break;
    case
'export':
        
$html .= PMA_Util::getIcon('b_tblexport.png', __('Export'));
        break;
    }
    
$html .= '</a>';

    return
$html;
}

/**
* Returns user group edit link
*
* @param string $username User name
*
* @return string HTML code with link
*/
function PMA_getUserGroupEditLink($username)
{
     return
'<a class="edit_user_group_anchor ajax"'
        
. ' href="server_privileges.php'
        
. PMA_URL_getCommon(array('username' => $username))
        .
'">'
        
. PMA_Util::getIcon('b_usrlist.png', __('Edit user group'))
        .
'</a>';
}

/**
* Returns number of defined user groups
*
* @return integer $user_group_count
*/
function PMA_getUserGroupCount()
{
    
$cfgRelation = PMA_getRelationsParam();
    
$user_group_table = PMA_Util::backquote($cfgRelation['db'])
        .
'.' . PMA_Util::backquote($cfgRelation['usergroups']);
    
$sql_query = 'SELECT COUNT(*) FROM ' . $user_group_table;
    
$user_group_count = $GLOBALS['dbi']->fetchValue(
        
$sql_query, 0, 0, $GLOBALS['controllink']
    );

    return
$user_group_count;
}

/**
* This function return the extra data array for the ajax behavior
*
* @param string $password  password
* @param string $sql_query sql query
* @param string $hostname  hostname
* @param string $username  username
*
* @return array $extra_data
*/
function PMA_getExtraDataForAjaxBehavior(
    
$password, $sql_query, $hostname, $username
) {
    if (isset(
$GLOBALS['dbname'])) {
        
//if (preg_match('/\\\\(?:_|%)/i', $dbname)) {
        
if (preg_match('/(?<!\\\\)(?:_|%)/i', $GLOBALS['dbname'])) {
            
$dbname_is_wildcard = true;
        } else {
            
$dbname_is_wildcard = false;
        }
    }

    
$user_group_count = 0;
    if (
$GLOBALS['cfgRelation']['menuswork']) {
        
$user_group_count = PMA_getUserGroupCount();
    }

    
$extra_data = array();
    if (
/*overload*/mb_strlen($sql_query)) {
        
$extra_data['sql_query'] = PMA_Util::getMessage(null, $sql_query);
    }

    if (isset(
$_REQUEST['change_copy'])) {
        
/**
         * generate html on the fly for the new user that was just created.
         */
        
$new_user_string = '<tr>' . "\n"
            
. '<td> <input type="checkbox" name="selected_usr[]" '
            
. 'id="checkbox_sel_users_"'
            
. 'value="'
            
. htmlspecialchars($username)
            .
'&amp;#27;' . htmlspecialchars($hostname) . '" />'
            
. '</td>' . "\n"
            
. '<td><label for="checkbox_sel_users_">'
            
. (empty($_REQUEST['username'])
                    ?
'<span style="color: #FF0000">' . __('Any') . '</span>'
                    
: htmlspecialchars($username) ) . '</label></td>' . "\n"
            
. '<td>' . htmlspecialchars($hostname) . '</td>' . "\n";

        
$new_user_string .= '<td>';

        if (! empty(
$password) || isset($_POST['pma_pw'])) {
            
$new_user_string .= __('Yes');
        } else {
            
$new_user_string .= '<span style="color: #FF0000">'
                
. __('No')
            .
'</span>';
        };

        
$new_user_string .= '</td>' . "\n";
        
$new_user_string .= '<td>'
            
. '<code>' . join(', ', PMA_extractPrivInfo(null, true)) . '</code>'
            
. '</td>'; //Fill in privileges here

        // if $cfg['Servers'][$i]['users'] and $cfg['Servers'][$i]['usergroups'] are
        // enabled
        
$cfgRelation = PMA_getRelationsParam();
        if (isset(
$cfgRelation['users']) && isset($cfgRelation['usergroups'])) {
            
$new_user_string .= '<td class="usrGroup"></td>';
        }

        
$new_user_string .= '<td>';
        if ((isset(
$_POST['Grant_priv']) && $_POST['Grant_priv'] == 'Y')) {
            
$new_user_string .= __('Yes');
        } else {
            
$new_user_string .= __('No');
        }
        
$new_user_string .='</td>';

        if (
$GLOBALS['is_grantuser']) {
            
$new_user_string .= '<td>'
                
. PMA_getUserLink('edit', $username, $hostname)
                .
'</td>' . "\n";
        }

        if (
$cfgRelation['menuswork'] && $user_group_count > 0) {
            
$new_user_string .= '<td>'
                
. PMA_getUserGroupEditLink($username)
                .
'</td>' . "\n";
        }

        
$new_user_string .= '<td>'
            
. PMA_getUserLink(
                
'export',
                
$username,
                
$hostname,
                
'',
                
'',
                isset(
$_GET['initial']) ? $_GET['initial'] : ''
            
)
            .
'</td>' . "\n";

        
$new_user_string .= '</tr>';

        
$extra_data['new_user_string'] = $new_user_string;

        
/**
         * Generate the string for this alphabet's initial, to update the user
         * pagination
         */
        
$new_user_initial = /*overload*/mb_strtoupper(
            
/*overload*/mb_substr($username, 0, 1)
        );
        
$newUserInitialString = '<a href="server_privileges.php'
            
. PMA_URL_getCommon(array('initial' => $new_user_initial)) . '">'
            
. $new_user_initial . '</a>';
        
$extra_data['new_user_initial'] = $new_user_initial;
        
$extra_data['new_user_initial_string'] = $newUserInitialString;
    }

    if (isset(
$_POST['update_privs'])) {
        
$extra_data['db_specific_privs'] = false;
        
$extra_data['db_wildcard_privs'] = false;
        if (isset(
$dbname_is_wildcard)) {
            
$extra_data['db_specific_privs'] = ! $dbname_is_wildcard;
            
$extra_data['db_wildcard_privs'] = $dbname_is_wildcard;
        }
        
$new_privileges = join(', ', PMA_extractPrivInfo(null, true));

        
$extra_data['new_privileges'] = $new_privileges;
    }

    if (isset(
$_REQUEST['validate_username'])) {
        
$sql_query = "SELECT * FROM `mysql`.`user` WHERE `User` = '"
            
. $_REQUEST['username'] . "';";
        
$res = $GLOBALS['dbi']->query($sql_query);
        
$row = $GLOBALS['dbi']->fetchRow($res);
        if (empty(
$row)) {
            
$extra_data['user_exists'] = false;
        } else {
            
$extra_data['user_exists'] = true;
        }
    }

    return
$extra_data;
}

/**
* Get the HTML snippet for change user login information
*
* @param string $username username
* @param string $hostname host name
*
* @return string HTML snippet
*/
function PMA_getChangeLoginInformationHtmlForm($username, $hostname)
{
    
$choices = array(
        
'4' => __('… keep the old one.'),
        
'1' => __('… delete the old one from the user tables.'),
        
'2' => __(
            
'… revoke all active privileges from '
            
. 'the old one and delete it afterwards.'
        
),
        
'3' => __(
            
'… delete the old one from the user tables '
            
. 'and reload the privileges afterwards.'
        
)
    );

    
$html_output = '<form action="server_privileges.php" '
        
. 'onsubmit="return checkAddUser(this);" '
        
. 'method="post" class="copyUserForm submenu-item">' . "\n"
        
. PMA_URL_getHiddenInputs('', '')
        .
'<input type="hidden" name="old_username" '
        
. 'value="' . htmlspecialchars($username) . '" />' . "\n"
        
. '<input type="hidden" name="old_hostname" '
        
. 'value="' . htmlspecialchars($hostname) . '" />' . "\n"
        
. '<fieldset id="fieldset_change_copy_user">' . "\n"
        
. '<legend data-submenu-label="' . __('Login Information') . '">' . "\n"
        
. __('Change login information / Copy user account')
        .
'</legend>' . "\n"
        
. PMA_getHtmlForLoginInformationFields('change', $username, $hostname);

    
$html_output .= '<fieldset id="fieldset_mode">' . "\n"
        
. ' <legend>'
        
. __('Create a new user account with the same privileges and …')
        .
'</legend>' . "\n";
    
$html_output .= PMA_Util::getRadioFields(
        
'mode', $choices, '4', true
    
);
    
$html_output .= '</fieldset>' . "\n"
       
. '</fieldset>' . "\n";

    
$html_output .= '<fieldset id="fieldset_change_copy_user_footer" '
        
. 'class="tblFooters">' . "\n"
        
. '<input type="hidden" name="change_copy" value="1" />' . "\n"
        
. '<input type="submit" value="' . __('Go') . '" />' . "\n"
        
. '</fieldset>' . "\n"
        
. '</form>' . "\n";

    return
$html_output;
}

/**
* Provide a line with links to the relevant database and table
*
* @param string $url_dbname url database name that urlencode() string
* @param string $dbname     database name
* @param string $tablename  table name
*
* @return string HTML snippet
*/
function PMA_getLinkToDbAndTable($url_dbname, $dbname, $tablename)
{
    
$html_output = '[ ' . __('Database')
        .
' <a href="' . PMA_Util::getScriptNameForOption(
            
$GLOBALS['cfg']['DefaultTabDatabase'], 'database'
        
)
        .
PMA_URL_getCommon(
            array(
                
'db' => $url_dbname,
                
'reload' => 1
            
)
        )
        .
'">'
        
. htmlspecialchars($dbname) . ': '
        
. PMA_Util::getTitleForTarget(
            
$GLOBALS['cfg']['DefaultTabDatabase']
        )
        .
"</a> ]\n";

    if (
/*overload*/mb_strlen($tablename)) {
        
$html_output .= ' [ ' . __('Table') . ' <a href="'
            
. PMA_Util::getScriptNameForOption(
                
$GLOBALS['cfg']['DefaultTabTable'], 'table'
            
)
            .
PMA_URL_getCommon(
                array(
                    
'db' => $url_dbname,
                    
'table' => $tablename,
                    
'reload' => 1,
                )
            )
            .
'">' . htmlspecialchars($tablename) . ': '
            
. PMA_Util::getTitleForTarget(
                
$GLOBALS['cfg']['DefaultTabTable']
            )
            .
"</a> ]\n";
    }
    return
$html_output;
}

/**
* no db name given, so we want all privs for the given user
* db name was given, so we want all user specific rights for this db
* So this function returns user rights as an array
*
* @param array  $tables              tables
* @param string $user_host_condition a where clause that contained user's host
*                                    condition
* @param string $dbname              database name
*
* @return array $db_rights database rights
*/
function PMA_getUserSpecificRights($tables, $user_host_condition, $dbname)
{
    if (!
/*overload*/mb_strlen($dbname)) {
        
$tables_to_search_for_users = array(
            
'tables_priv', 'columns_priv',
        );
        
$dbOrTableName = 'Db';
    } else {
        
$user_host_condition .=
            
' AND `Db`'
            
. ' LIKE \''
            
. PMA_Util::sqlAddSlashes($dbname, true) . "'";
        
$tables_to_search_for_users = array('columns_priv',);
        
$dbOrTableName = 'Table_name';
    }

    
$db_rights_sqls = array();
    foreach (
$tables_to_search_for_users as $table_search_in) {
        if (
in_array($table_search_in, $tables)) {
            
$db_rights_sqls[] = '
                SELECT DISTINCT `'
. $dbOrTableName . '`
                FROM `mysql`.'
. PMA_Util::backquote($table_search_in)
               .
$user_host_condition;
        }
    }

    
$user_defaults = array(
        
$dbOrTableName  => '',
        
'Grant_priv'    => 'N',
        
'privs'         => array('USAGE'),
        
'Column_priv'   => true,
    );

    
// for the rights
    
$db_rights = array();

    
$db_rights_sql = '(' . implode(') UNION (', $db_rights_sqls) . ')'
        
. ' ORDER BY `' . $dbOrTableName . '` ASC';

    
$db_rights_result = $GLOBALS['dbi']->query($db_rights_sql);

    while (
$db_rights_row = $GLOBALS['dbi']->fetchAssoc($db_rights_result)) {
        
$db_rights_row = array_merge($user_defaults, $db_rights_row);
        if (!
/*overload*/mb_strlen($dbname)) {
            
// only Db names in the table `mysql`.`db` uses wildcards
            // as we are in the db specific rights display we want
            // all db names escaped, also from other sources
            
$db_rights_row['Db'] = PMA_Util::escapeMysqlWildcards(
                
$db_rights_row['Db']
            );
        }
        
$db_rights[$db_rights_row[$dbOrTableName]] = $db_rights_row;
    }

    
$GLOBALS['dbi']->freeResult($db_rights_result);

    if (!
/*overload*/mb_strlen($dbname)) {
        
$sql_query = 'SELECT * FROM `mysql`.`db`'
            
. $user_host_condition . ' ORDER BY `Db` ASC';
    } else {
        
$sql_query = 'SELECT `Table_name`,'
            
. ' `Table_priv`,'
            
. ' IF(`Column_priv` = _latin1 \'\', 0, 1)'
            
. ' AS \'Column_priv\''
            
. ' FROM `mysql`.`tables_priv`'
            
. $user_host_condition
            
. ' ORDER BY `Table_name` ASC;';
    }

    
$result = $GLOBALS['dbi']->query($sql_query);

    while (
$row = $GLOBALS['dbi']->fetchAssoc($result)) {
        if (isset(
$db_rights[$row[$dbOrTableName]])) {
            
$db_rights[$row[$dbOrTableName]]
                =
array_merge($db_rights[$row[$dbOrTableName]], $row);
        } else {
            
$db_rights[$row[$dbOrTableName]] = $row;
        }
        if (!
/*overload*/mb_strlen($dbname)) {
            
// there are db specific rights for this user
            // so we can drop this db rights
            
$db_rights[$row['Db']]['can_delete'] = true;
        }
    }
    
$GLOBALS['dbi']->freeResult($result);
    return
$db_rights;
}

/**
* Display user rights in table rows(Table specific or database specific privs)
*
* @param array  $db_rights user's database rights array
* @param string $dbname    database name
* @param string $hostname  host name
* @param string $username  username
*
* @return array $found_rows, $html_output
*/
function PMA_getHtmlForUserRights($db_rights, $dbname,
    
$hostname, $username
) {
    
$html_output = '';
    
$found_rows = array();

    
// display rows
    
if (count($db_rights) < 1) {
        
$html_output .= '<tr class="odd">' . "\n"
           
. '<td colspan="6"><center><i>' . __('None') . '</i></center></td>' . "\n"
           
. '</tr>' . "\n";
        return array(
$found_rows, $html_output);
    }

    
$odd_row = true;
    
//while ($row = $GLOBALS['dbi']->fetchAssoc($res)) {
    
foreach ($db_rights as $row) {
        
$dbNameLength = /*overload*/mb_strlen($dbname);
        
$found_rows[] = (!$dbNameLength)
            ?
$row['Db']
            :
$row['Table_name'];

        
$html_output .= '<tr class="' . ($odd_row ? 'odd' : 'even') . '">' . "\n"
            
. '<td>'
            
. htmlspecialchars(
                (!
$dbNameLength)
                ?
$row['Db']
                :
$row['Table_name']
            )
            .
'</td>' . "\n"
            
. '<td><code>' . "\n"
            
. '        '
            
. join(
                
',' . "\n" . '            ',
                
PMA_extractPrivInfo($row, true)
            ) .
"\n"
            
. '</code></td>' . "\n"
            
. '<td>'
                
. ((((!$dbNameLength) && $row['Grant_priv'] == 'Y')
                    || (
$dbNameLength
                    
&& in_array('Grant', explode(',', $row['Table_priv']))))
                ?
__('Yes')
                :
__('No'))
            .
'</td>' . "\n"
            
. '<td>';
        if (!empty(
$row['Table_privs']) || !empty($row['Column_priv'])) {
            
$html_output .= __('Yes');
        } else {
            
$html_output .= __('No');
        }
        
$html_output .= '</td>';

        
$html_output .= '<td>';
        if (
$GLOBALS['is_grantuser']) {
            
$html_output .= PMA_getUserLink(
                
'edit',
                
$username,
                
$hostname,
                (!
$dbNameLength) ? $row['Db'] : $dbname,
                (!
$dbNameLength) ? '' : $row['Table_name']
            );
        }
        
$html_output .= '</td>';

        
$html_output .= '<td>';
        if (! empty(
$row['can_delete'])
            || isset(
$row['Table_name'])
            &&
/*overload*/mb_strlen($row['Table_name'])
        ) {
            
$html_output .= PMA_getUserLink(
                
'revoke',
                
$username,
                
$hostname,
                (!
$dbNameLength) ? $row['Db'] : $dbname,
                (!
$dbNameLength) ? '' : $row['Table_name']
            );
        }
        
$html_output .= '</td>' . "\n"
           
. '</tr>' . "\n";
        
$odd_row = ! $odd_row;
    }
// end while

    
return array($found_rows, $html_output);
}

/**
* Get a HTML table for display user's tabel specific or database specific rights
*
* @param string $username username
* @param string $hostname host name
* @param string $dbname   database name
*
* @return array $html_output, $found_rows
*/
function PMA_getHtmlForAllTableSpecificRights(
    
$username, $hostname, $dbname
) {
    
// table header
    
$html_output = PMA_URL_getHiddenInputs('', '')
        .
'<input type="hidden" name="username" '
        
. 'value="' . htmlspecialchars($username) . '" />' . "\n"
        
. '<input type="hidden" name="hostname" '
        
. 'value="' . htmlspecialchars($hostname) . '" />' . "\n"
        
. '<fieldset>' . "\n"
        
. '<legend data-submenu-label="'
        
. (!/*overload*/mb_strlen($dbname)
            ?
__('Database')
            :
__('Table')
        )
        .
'">'
        
. (!/*overload*/mb_strlen($dbname)
            ?
__('Database-specific privileges')
            :
__('Table-specific privileges')
        )
        .
'</legend>' . "\n"
        
. '<table class="data">' . "\n"
        
. '<thead>' . "\n"
        
. '<tr><th>'
        
. (!/*overload*/mb_strlen($dbname) ? __('Database') : __('Table'))
        .
'</th>' . "\n"
        
. '<th>' . __('Privileges') . '</th>' . "\n"
        
. '<th>' . __('Grant') . '</th>' . "\n"
        
. '<th>'
        
. (!/*overload*/mb_strlen($dbname)
            ?
__('Table-specific privileges')
            :
__('Column-specific privileges')
        )
        .
'</th>' . "\n"
        
. '<th colspan="2">' . __('Action') . '</th>' . "\n"
        
. '</tr>' . "\n"
        
. '</thead>' . "\n";

    
$user_host_condition = ' WHERE `User`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($username) . "'"
        
. ' AND `Host`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($hostname) . "'";

    
// table body
    // get data

    // we also want privileges for this user not in table `db` but in other table
    
$tables = $GLOBALS['dbi']->fetchResult('SHOW TABLES FROM `mysql`;');

    
/**
     * no db name given, so we want all privs for the given user
     * db name was given, so we want all user specific rights for this db
     */
    
$db_rights = PMA_getUserSpecificRights($tables, $user_host_condition, $dbname);

    
ksort($db_rights);

    
$html_output .= '<tbody>' . "\n";
    
// display rows
    
list ($found_rows, $html_out) =  PMA_getHtmlForUserRights(
        
$db_rights, $dbname, $hostname, $username
    
);

    
$html_output .= $html_out;
    
$html_output .= '</tbody>' . "\n";
    
$html_output .='</table>' . "\n";

    return array(
$html_output, $found_rows);
}

/**
* Get HTML for display select db
*
* @param array $found_rows isset($dbname)) ? $row['Db'] : $row['Table_name']
*
* @return string HTML snippet
*/
function PMA_getHtmlForSelectDbInEditPrivs($found_rows)
{
    
// we already have the list of databases from libraries/common.inc.php
    // via $pma = new PMA;
    
$pred_db_array = $GLOBALS['pma']->databases;

    
$databases_to_skip = array('information_schema', 'performance_schema');

    
$html_output = '<label for="text_dbname">'
        
. __('Add privileges on the following database(s):') . '</label>' . "\n";
    if (! empty(
$pred_db_array)) {
        
$html_output .= '<select name="pred_dbname[]" multiple="multiple">' . "\n";
        foreach (
$pred_db_array as $current_db) {
            if (
in_array($current_db, $databases_to_skip)) {
                continue;
            }
            
$current_db_show = $current_db;
            
$current_db = PMA_Util::escapeMysqlWildcards($current_db);
            
// cannot use array_diff() once, outside of the loop,
            // because the list of databases has special characters
            // already escaped in $found_rows,
            // contrary to the output of SHOW DATABASES
            
if (empty($found_rows) || ! in_array($current_db, $found_rows)) {
                
$html_output .= '<option value="'
                    
. htmlspecialchars($current_db) . '">'
                    
. htmlspecialchars($current_db_show) . '</option>' . "\n";
            }
        }
        
$html_output .= '</select>' . "\n";
    }
    
$html_output .= '<input type="text" id="text_dbname" name="dbname" />'
        
. "\n"
        
. PMA_Util::showHint(
            
__('Wildcards % and _ should be escaped with a \ to use them literally.')
        );
    return
$html_output;
}

/**
* Get HTML for display table in edit privilege
*
* @param string $dbname     database naame
* @param array  $found_rows isset($dbname)) ? $row['Db'] : $row['Table_name']
*
* @return string HTML snippet
*/
function PMA_displayTablesInEditPrivs($dbname, $found_rows)
{
    
$html_output = '<input type="hidden" name="dbname"
        '
. 'value="' . htmlspecialchars($dbname) . '"/>' . "\n";
    
$html_output .= '<label for="text_tablename">'
        
. __('Add privileges on the following table:') . '</label>' . "\n";

    
$result = @$GLOBALS['dbi']->tryQuery(
        
'SHOW TABLES FROM ' . PMA_Util::backquote(
            
PMA_Util::unescapeMysqlWildcards($dbname)
        ) .
';',
        
null,
        
PMA_DatabaseInterface::QUERY_STORE
    
);

    if (
$result) {
        
$pred_tbl_array = array();
        while (
$row = $GLOBALS['dbi']->fetchRow($result)) {
            if (! isset(
$found_rows) || ! in_array($row[0], $found_rows)) {
                
$pred_tbl_array[] = $row[0];
            }
        }
        
$GLOBALS['dbi']->freeResult($result);

        if (! empty(
$pred_tbl_array)) {
            
$html_output .= '<select name="pred_tablename" '
                
. 'class="autosubmit">' . "\n"
                
. '<option value="" selected="selected">' . __('Use text field')
                .
':</option>' . "\n";
            foreach (
$pred_tbl_array as $current_table) {
                
$html_output .= '<option '
                    
. 'value="' . htmlspecialchars($current_table) . '">'
                    
. htmlspecialchars($current_table)
                    .
'</option>' . "\n";
            }
            
$html_output .= '</select>' . "\n";
        }
    }
    
$html_output .= '<input type="text" id="text_tablename" name="tablename" />'
        
. "\n";

    return
$html_output;
}

/**
* Get HTML for display the users overview
* (if less than 50 users, display them immediately)
*
* @param array  $result        ran sql query
* @param array  $db_rights     user's database rights array
* @param string $pmaThemeImage a image source link
* @param string $text_dir      text directory
*
* @return string HTML snippet
*/
function PMA_getUsersOverview($result, $db_rights, $pmaThemeImage, $text_dir)
{
    while (
$row = $GLOBALS['dbi']->fetchAssoc($result)) {
        
$row['privs'] = PMA_extractPrivInfo($row, true);
        
$db_rights[$row['User']][$row['Host']] = $row;
    }
    @
$GLOBALS['dbi']->freeResult($result);
    
$user_group_count = 0;
    if (
$GLOBALS['cfgRelation']['menuswork']) {
        
$user_group_count = PMA_getUserGroupCount();
    }

    
$html_output
        
= '<form name="usersForm" id="usersForm" action="server_privileges.php" '
        
. 'method="post">' . "\n"
        
. PMA_URL_getHiddenInputs('', '')
        .
'<table id="tableuserrights" class="data">' . "\n"
        
. '<thead>' . "\n"
        
. '<tr><th></th>' . "\n"
        
. '<th>' . __('User name') . '</th>' . "\n"
        
. '<th>' . __('Host name') . '</th>' . "\n"
        
. '<th>' . __('Password') . '</th>' . "\n"
        
. '<th>' . __('Global privileges') . ' '
        
. PMA_Util::showHint(
            
__('Note: MySQL privilege names are expressed in English.')
        )
        .
'</th>' . "\n";
    if (
$GLOBALS['cfgRelation']['menuswork']) {
        
$html_output .= '<th>' . __('User group') . '</th>' . "\n";
    }
    
$html_output .= '<th>' . __('Grant') . '</th>' . "\n"
        
. '<th colspan="' . ($user_group_count > 0 ? '3' : '2') . '">'
        
. __('Action') . '</th>' . "\n"
        
. '</tr>' . "\n"
        
. '</thead>' . "\n";

    
$html_output .= '<tbody>' . "\n";
    
$html_output .= PMA_getHtmlTableBodyForUserRights($db_rights);
    
$html_output .= '</tbody>'
        
. '</table>' . "\n";

    
$html_output .= '<div class="floatleft">'
        
. PMA_Util::getWithSelected($pmaThemeImage, $text_dir, "usersForm") . "\n";

    
$html_output .= PMA_Util::getButtonOrImage(
        
'submit_mult', 'mult_submit', 'submit_mult_export',
        
__('Export'), 'b_tblexport.png', 'export'
    
);
    
$html_output .= '<input type="hidden" name="initial" '
        
. 'value="' . (isset($_GET['initial']) ? $_GET['initial'] : '') . '" />';
    
$html_output .= '</div>'
        
. '<div class="clear_both" style="clear:both"></div>';

    
// add/delete user fieldset
    
$html_output .= PMA_getFieldsetForAddDeleteUser();
    
$html_output .= '</form>' . "\n";

    return
$html_output;
}

/**
* Get table body for 'tableuserrights' table in userform
*
* @param array $db_rights user's database rights array
*
* @return string HTML snippet
*/
function PMA_getHtmlTableBodyForUserRights($db_rights)
{
    
$cfgRelation = PMA_getRelationsParam();
    if (
$cfgRelation['menuswork']) {
        
$users_table = PMA_Util::backquote($cfgRelation['db'])
            .
"." . PMA_Util::backquote($cfgRelation['users']);
        
$sql_query = 'SELECT * FROM ' . $users_table;
        
$result = PMA_queryAsControlUser($sql_query, false);
        
$group_assignment = array();
        if (
$result) {
            while (
$row = $GLOBALS['dbi']->fetchAssoc($result)) {
                
$group_assignment[$row['username']] = $row['usergroup'];
            }
        }
        
$GLOBALS['dbi']->freeResult($result);

        
$user_group_count = PMA_getUserGroupCount();
    }

    
$odd_row = true;
    
$index_checkbox = 0;
    
$html_output = '';
    foreach (
$db_rights as $user) {
        
ksort($user);
        foreach (
$user as $host) {
            
$index_checkbox++;
            
$html_output .= '<tr class="' . ($odd_row ? 'odd' : 'even') . '">'
                
. "\n";
            
$html_output .= '<td>'
                
. '<input type="checkbox" class="checkall" name="selected_usr[]" '
                
. 'id="checkbox_sel_users_'
                
. $index_checkbox . '" value="'
                
. htmlspecialchars($host['User'] . '&amp;#27;' . $host['Host'])
                .
'"'
                
. ' /></td>' . "\n";

            
$html_output .= '<td><label '
                
. 'for="checkbox_sel_users_' . $index_checkbox . '">'
                
. (empty($host['User'])
                    ?
'<span style="color: #FF0000">' . __('Any') . '</span>'
                    
: htmlspecialchars($host['User'])) . '</label></td>' . "\n"
                
. '<td>' . htmlspecialchars($host['Host']) . '</td>' . "\n";

            
$html_output .= '<td>';

            
$password_column = 'Password';

            if (
PMA_Util::getServerType() == 'MySQL'
                
&& PMA_MYSQL_INT_VERSION >= 50606
                
&& PMA_MYSQL_INT_VERSION < 50706
            
) {
                
$check_plugin_query = "SELECT * FROM `mysql`.`user` WHERE "
                    
. "`User` = '" . $host['User'] . "' AND `Host` = '"
                    
. $host['Host'] . "'";
                
$res = $GLOBALS['dbi']->fetchSingleRow($check_plugin_query);
                if (isset(
$res['plugin'])
                    &&
$res['plugin'] == 'sha256_password'
                    
&& isset($res['authentication_string'])
                ) {
                    
$password_column = 'authentication_string';
                    if (! empty(
$res['authentication_string'])) {
                        
$host[$password_column] = 'Y';
                    } else {
                        
$host[$password_column] = 'N';
                    }
                }
            }

            switch (
$host[$password_column]) {
            case
'Y':
                
$html_output .= __('Yes');
                break;
            case
'N':
                
$html_output .= '<span style="color: #FF0000">' . __('No')
                    .
'</span>';
                break;
            
// this happens if this is a definition not coming from mysql.user
            
default:
                
$html_output .= '--'; // in future version, replace by "not present"
                
break;
            }
// end switch

            
$html_output .= '</td>' . "\n";

            
$html_output .= '<td><code>' . "\n"
                
. '' . implode(',' . "\n" . '            ', $host['privs']) . "\n"
                
. '</code></td>' . "\n";
            if (
$cfgRelation['menuswork']) {
                
$html_output .= '<td class="usrGroup">' . "\n"
                    
. (isset($group_assignment[$host['User']])
                        ?
$group_assignment[$host['User']]
                        :
''
                    
)
                    .
'</td>' . "\n";
            }
            
$html_output .= '<td>'
                
. ($host['Grant_priv'] == 'Y' ? __('Yes') : __('No'))
                .
'</td>' . "\n";

            if (
$GLOBALS['is_grantuser']) {
                
$html_output .= '<td class="center">'
                    
. PMA_getUserLink(
                        
'edit',
                        
$host['User'],
                        
$host['Host']
                    )
                    .
'</td>';
            }
            if (
$cfgRelation['menuswork'] && $user_group_count > 0) {
                if (empty(
$host['User'])) {
                    
$html_output .= '<td class="center"></td>';
                } else {
                    
$html_output .= '<td class="center">'
                        
. PMA_getUserGroupEditLink($host['User'])
                        .
'</td>';
                }
            }
            
$html_output .= '<td class="center">'
                
. PMA_getUserLink(
                    
'export',
                    
$host['User'],
                    
$host['Host'],
                    
'',
                    
'',
                    isset(
$_GET['initial']) ? $_GET['initial'] : ''
                
)
                .
'</td>';
            
$html_output .= '</tr>';
            
$odd_row = ! $odd_row;
        }
    }
    return
$html_output;
}

/**
* Get HTML fieldset for Add/Delete user
*
* @return string HTML snippet
*/
function PMA_getFieldsetForAddDeleteUser()
{
    
$html_output = PMA_getAddUserHtmlFieldset();
    
$html_output .= '<fieldset id="fieldset_delete_user">'
        
. '<legend>' . "\n"
        
. PMA_Util::getIcon('b_usrdrop.png')
        .
'            ' . __('Remove selected user accounts') . '' . "\n"
        
. '</legend>' . "\n";

    
$html_output .= '<input type="hidden" name="mode" value="2" />' . "\n"
        
. '('
        
. __(
            
'Revoke all active privileges from the users '
            
. 'and delete them afterwards.'
        
)
        .
')'
        
. '<br />' . "\n";

    
$html_output .= '<input type="checkbox" '
        
. 'title="'
        
. __('Drop the databases that have the same names as the users.')
        .
'" '
        
. 'name="drop_users_db" id="checkbox_drop_users_db" />' . "\n";

    
$html_output .= '<label for="checkbox_drop_users_db" '
        
. 'title="'
        
. __('Drop the databases that have the same names as the users.')
        .
'">' . "\n"
        
. '            '
        
. __('Drop the databases that have the same names as the users.')
        .
"\n"
        
. '</label>' . "\n"
        
. '</fieldset>' . "\n";

    
$html_output .= '<fieldset id="fieldset_delete_user_footer" class="tblFooters">'
        
. "\n";
    
$html_output .= '<input type="submit" name="delete" '
        
. 'value="' . __('Go') . '" id="buttonGo" '
        
. 'class="ajax"/>' . "\n";

    
$html_output .= '</fieldset>' . "\n";

    return
$html_output;
}

/**
* Get HTML for Displays the initials
*
* @param array $array_initials array for all initials, even non A-Z
*
* @return string HTML snippet
*/
function PMA_getHtmlForInitials($array_initials)
{
    
// initialize to false the letters A-Z
    
for ($letter_counter = 1; $letter_counter < 27; $letter_counter++) {
        if (! isset(
$array_initials[/*overload*/mb_chr($letter_counter + 64)])) {
            
$array_initials[/*overload*/mb_chr($letter_counter + 64)] = false;
        }
    }

    
$initials = $GLOBALS['dbi']->tryQuery(
        
'SELECT DISTINCT UPPER(LEFT(`User`,1)) FROM `user` ORDER BY `User` ASC',
        
null,
        
PMA_DatabaseInterface::QUERY_STORE
    
);
    while (list(
$tmp_initial) = $GLOBALS['dbi']->fetchRow($initials)) {
        
$array_initials[$tmp_initial] = true;
    }

    
// Display the initials, which can be any characters, not
    // just letters. For letters A-Z, we add the non-used letters
    // as greyed out.

    
uksort($array_initials, "strnatcasecmp");

    
$html_output = '<table id="initials_table" cellspacing="5">'
        
. '<tr>';
    foreach (
$array_initials as $tmp_initial => $initial_was_found) {
        if (
$tmp_initial === null) {
            continue;
        }

        if (!
$initial_was_found) {
            
$html_output .= '<td>' . $tmp_initial . '</td>';
            continue;
        }

        
$html_output .= '<td>'
            
. '<a class="ajax'
            
. ((isset($_REQUEST['initial'])
                &&
$_REQUEST['initial'] === $tmp_initial
                
) ? ' active' : '')
            .
'" href="server_privileges.php'
            
. PMA_URL_getCommon(array('initial' => $tmp_initial))
            .
'">' . $tmp_initial
            
. '</a>'
            
. '</td>' . "\n";
    }
    
$html_output .= '<td>'
        
. '<a href="server_privileges.php'
        
. PMA_URL_getCommon(array('showall' => 1))
        .
'" class="nowrap">' . __('Show all') . '</a></td>' . "\n";
    
$html_output .= '</tr></table>';

    return
$html_output;
}

/**
* Get the database rights array for Display user overview
*
* @return array  $db_rights    database rights array
*/
function PMA_getDbRightsForUserOverview()
{
    
// we also want users not in table `user` but in other table
    
$tables = $GLOBALS['dbi']->fetchResult('SHOW TABLES FROM `mysql`;');

    
$tablesSearchForUsers = array(
        
'user', 'db', 'tables_priv', 'columns_priv', 'procs_priv',
    );

    
$db_rights_sqls = array();
    foreach (
$tablesSearchForUsers as $table_search_in) {
        if (
in_array($table_search_in, $tables)) {
            
$db_rights_sqls[] = 'SELECT DISTINCT `User`, `Host` FROM `mysql`.`'
                
. $table_search_in . '` '
                
. (isset($_GET['initial'])
                ?
PMA_rangeOfUsers($_GET['initial'])
                :
'');
        }
    }
    
$user_defaults = array(
        
'User'       => '',
        
'Host'       => '%',
        
'Password'   => '?',
        
'Grant_priv' => 'N',
        
'privs'      => array('USAGE'),
    );

    
// for the rights
    
$db_rights = array();

    
$db_rights_sql = '(' . implode(') UNION (', $db_rights_sqls) . ')'
        
. ' ORDER BY `User` ASC, `Host` ASC';

    
$db_rights_result = $GLOBALS['dbi']->query($db_rights_sql);

    while (
$db_rights_row = $GLOBALS['dbi']->fetchAssoc($db_rights_result)) {
        
$db_rights_row = array_merge($user_defaults, $db_rights_row);
        
$db_rights[$db_rights_row['User']][$db_rights_row['Host']]
            =
$db_rights_row;
    }
    
$GLOBALS['dbi']->freeResult($db_rights_result);
    
ksort($db_rights);

    return
$db_rights;
}

/**
* Delete user and get message and sql query for delete user in privileges
*
* @param array $queries queries
*
* @return array PMA_message
*/
function PMA_deleteUser($queries)
{
    
$sql_query = '';
    if (empty(
$queries)) {
        
$message = PMA_Message::error(__('No users selected for deleting!'));
    } else {
        if (
$_REQUEST['mode'] == 3) {
            
$queries[] = '# ' . __('Reloading the privileges') . ' …';
            
$queries[] = 'FLUSH PRIVILEGES;';
        }
        
$drop_user_error = '';
        foreach (
$queries as $sql_query) {
            if (
$sql_query{0} != '#') {
                if (!
$GLOBALS['dbi']->tryQuery($sql_query, $GLOBALS['userlink'])) {
                    
$drop_user_error .= $GLOBALS['dbi']->getError() . "\n";
                }
            }
        }
        
// tracking sets this, causing the deleted db to be shown in navi
        
unset($GLOBALS['db']);

        
$sql_query = join("\n", $queries);
        if (! empty(
$drop_user_error)) {
            
$message = PMA_Message::rawError($drop_user_error);
        } else {
            
$message = PMA_Message::success(
                
__('The selected users have been deleted successfully.')
            );
        }
    }
    return array(
$sql_query, $message);
}

/**
* Update the privileges and return the success or error message
*
* @param string $username  username
* @param string $hostname  host name
* @param string $tablename table name
* @param string $dbname    database name
*
* @return PMA_message success message or error message for update
*/
function PMA_updatePrivileges($username, $hostname, $tablename, $dbname)
{
    
$db_and_table = PMA_wildcardEscapeForGrant($dbname, $tablename);

    
$sql_query0 = 'REVOKE ALL PRIVILEGES ON ' . $db_and_table
        
. ' FROM \'' . PMA_Util::sqlAddSlashes($username)
        .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\';';

    if (! isset(
$_POST['Grant_priv']) || $_POST['Grant_priv'] != 'Y') {
        
$sql_query1 = 'REVOKE GRANT OPTION ON ' . $db_and_table
            
. ' FROM \'' . PMA_Util::sqlAddSlashes($username) . '\'@\''
            
. PMA_Util::sqlAddSlashes($hostname) . '\';';
    } else {
        
$sql_query1 = '';
    }

    
// Should not do a GRANT USAGE for a table-specific privilege, it
    // causes problems later (cannot revoke it)
    
if (! (/*overload*/mb_strlen($tablename)
        &&
'USAGE' == implode('', PMA_extractPrivInfo()))
    ) {
        
$sql_query2 = 'GRANT ' . join(', ', PMA_extractPrivInfo())
            .
' ON ' . $db_and_table
            
. ' TO \'' . PMA_Util::sqlAddSlashes($username) . '\'@\''
            
. PMA_Util::sqlAddSlashes($hostname) . '\'';

        if (!
/*overload*/mb_strlen($dbname)) {
            
// add REQUIRE clause
            
$sql_query2 .= PMA_getRequireClause();
        }

        if ((isset(
$_POST['Grant_priv']) && $_POST['Grant_priv'] == 'Y')
            || (!
/*overload*/mb_strlen($dbname)
            && (isset(
$_POST['max_questions']) || isset($_POST['max_connections'])
            || isset(
$_POST['max_updates'])
            || isset(
$_POST['max_user_connections'])))
        ) {
            
$sql_query2 .= PMA_getWithClauseForAddUserAndUpdatePrivs();
        }
        
$sql_query2 .= ';';
    }
    if (!
$GLOBALS['dbi']->tryQuery($sql_query0)) {
        
// This might fail when the executing user does not have
        // ALL PRIVILEGES himself.
        // See https://sourceforge.net/p/phpmyadmin/bugs/3270/
        
$sql_query0 = '';
    }
    if (! empty(
$sql_query1) && ! $GLOBALS['dbi']->tryQuery($sql_query1)) {
        
// this one may fail, too...
        
$sql_query1 = '';
    }
    if (! empty(
$sql_query2)) {
        
$GLOBALS['dbi']->query($sql_query2);
    } else {
        
$sql_query2 = '';
    }
    
$sql_query = $sql_query0 . ' ' . $sql_query1 . ' ' . $sql_query2;
    
$message = PMA_Message::success(__('You have updated the privileges for %s.'));
    
$message->addParam(
        
'\'' . htmlspecialchars($username)
        .
'\'@\'' . htmlspecialchars($hostname) . '\''
    
);

    return array(
$sql_query, $message);
}

/**
* Get List of information: Changes / copies a user
*
* @return array
*/
function PMA_getDataForChangeOrCopyUser()
{
    
$queries = null;
    
$password = null;

    if (isset(
$_REQUEST['change_copy'])) {
        
$user_host_condition = ' WHERE `User` = '
            
. "'" . PMA_Util::sqlAddSlashes($_REQUEST['old_username']) . "'"
            
. ' AND `Host` = '
            
. "'" . PMA_Util::sqlAddSlashes($_REQUEST['old_hostname']) . "';";
        
$row = $GLOBALS['dbi']->fetchSingleRow(
            
'SELECT * FROM `mysql`.`user` ' . $user_host_condition
        
);
        if (!
$row) {
            
$response = PMA_Response::getInstance();
            
$response->addHTML(
                
PMA_Message::notice(__('No user found.'))->getDisplay()
            );
            unset(
$_REQUEST['change_copy']);
        } else {
            
extract($row, EXTR_OVERWRITE);
            
// Recent MySQL versions have the field "Password" in mysql.user,
            // so the previous extract creates $Password but this script
            // uses $password
            
if (! isset($password) && isset($Password)) {
                
$password = $Password;
            }
            if (
PMA_Util::getServerType() == 'MySQL'
                
&& PMA_MYSQL_INT_VERSION >= 50606
                
&& PMA_MYSQL_INT_VERSION < 50706
                
&& isset($password)
                && empty(
$password)
                && isset(
$plugin)
                &&
$plugin == 'sha256_password'
            
) {
                
$password = $authentication_string;
            }

            
// Always use 'authentication_string' column
            // for MySQL 5.7.6+ since it does not have
            // the 'password' column at all
            
if (PMA_Util::getServerType() == 'MySQL'
                
&& PMA_MYSQL_INT_VERSION >= 50706
                
&& isset($authentication_string)
            ) {
                
$password = $authentication_string;
            }

            
$queries = array();
        }
    }

    return array(
$queries, $password);
}

/**
* Update Data for information: Deletes users
*
* @param array $queries queries array
*
* @return array
*/
function PMA_getDataForDeleteUsers($queries)
{
    if (isset(
$_REQUEST['change_copy'])) {
        
$selected_usr = array(
            
$_REQUEST['old_username'] . '&amp;#27;' . $_REQUEST['old_hostname']
        );
    } else {
        
$selected_usr = $_REQUEST['selected_usr'];
        
$queries = array();
    }
    foreach (
$selected_usr as $each_user) {
        list(
$this_user, $this_host) = explode('&amp;#27;', $each_user);
        
$queries[] = '# '
            
. sprintf(
                
__('Deleting %s'),
                
'\'' . $this_user . '\'@\'' . $this_host . '\''
            
)
            .
' ...';
        
$queries[] = 'DROP USER \''
            
. PMA_Util::sqlAddSlashes($this_user)
            .
'\'@\'' . PMA_Util::sqlAddSlashes($this_host) . '\';';
        
PMA_relationsCleanupUser($this_user);

        if (isset(
$_REQUEST['drop_users_db'])) {
            
$queries[] = 'DROP DATABASE IF EXISTS '
                
. PMA_Util::backquote($this_user) . ';';
            
$GLOBALS['reload'] = true;
        }
    }
    return
$queries;
}

/**
* update Message For Reload
*
* @return array
*/
function PMA_updateMessageForReload()
{
    
$message = null;
    if (isset(
$_REQUEST['flush_privileges'])) {
        
$sql_query = 'FLUSH PRIVILEGES;';
        
$GLOBALS['dbi']->query($sql_query);
        
$message = PMA_Message::success(
            
__('The privileges were reloaded successfully.')
        );
    }

    if (isset(
$_REQUEST['validate_username'])) {
        
$message = PMA_Message::success();
    }

    return
$message;
}

/**
* update Data For Queries from queries_for_display
*
* @param array      $queries             queries array
* @param array|null $queries_for_display queries array for display
*
* @return null
*/
function PMA_getDataForQueries($queries, $queries_for_display)
{
    
$tmp_count = 0;
    foreach (
$queries as $sql_query) {
        if (
$sql_query{0} != '#') {
            
$GLOBALS['dbi']->query($sql_query);
        }
        
// when there is a query containing a hidden password, take it
        // instead of the real query sent
        
if (isset($queries_for_display[$tmp_count])) {
            
$queries[$tmp_count] = $queries_for_display[$tmp_count];
        }
        
$tmp_count++;
    }

    return
$queries;
}

/**
* update Data for information: Adds a user
*
* @param string $dbname      db name
* @param string $username    user name
* @param string $hostname    host name
* @param string $password    password
* @param bool   $is_menuwork is_menuwork set?
*
* @return array
*/
function PMA_addUser(
    
$dbname, $username, $hostname,
    
$password, $is_menuwork
) {
    
$_add_user_error = false;
    
$message = null;
    
$queries = null;
    
$queries_for_display = null;
    
$sql_query = null;

    if (!isset(
$_REQUEST['adduser_submit']) && !isset($_REQUEST['change_copy'])) {
        return array(
            
$message, $queries, $queries_for_display, $sql_query, $_add_user_error
        
);
    }

    if (!isset(
$_REQUEST['adduser_submit']) && !isset($_REQUEST['change_copy'])) {
        return array(
            
$message,
            
$queries,
            
$queries_for_display,
            
$sql_query,
            
$_add_user_error
        
);
    }

    
$sql_query = '';
    if (
$_POST['pred_username'] == 'any') {
        
$username = '';
    }
    switch (
$_POST['pred_hostname']) {
    case
'any':
        
$hostname = '%';
        break;
    case
'localhost':
        
$hostname = 'localhost';
        break;
    case
'hosttable':
        
$hostname = '';
        break;
    case
'thishost':
        
$_user_name = $GLOBALS['dbi']->fetchValue('SELECT USER()');
        
$hostname = /*overload*/mb_substr(
            
$_user_name,
            (
/*overload*/mb_strrpos($_user_name, '@') + 1)
        );
        unset(
$_user_name);
        break;
    }
    
$sql = "SELECT '1' FROM `mysql`.`user`"
        
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
        
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "';";
    if (
$GLOBALS['dbi']->fetchValue($sql) == 1) {
        
$message = PMA_Message::error(__('The user %s already exists!'));
        
$message->addParam(
            
'[em]\'' . $username . '\'@\'' . $hostname . '\'[/em]'
        
);
        
$_REQUEST['adduser'] = true;
        
$_add_user_error = true;

        return array(
            
$message,
            
$queries,
            
$queries_for_display,
            
$sql_query,
            
$_add_user_error
        
);
    }

    list(
        
$create_user_real, $create_user_show, $real_sql_query, $sql_query,
        
$password_set_real, $password_set_show
    
) = PMA_getSqlQueriesForDisplayAndAddUser(
        
$username, $hostname, (isset($password) ? $password : '')
    );

    if (empty(
$_REQUEST['change_copy'])) {
        
$_error = false;

        if (isset(
$create_user_real)) {
            if (!
$GLOBALS['dbi']->tryQuery($create_user_real)) {
                
$_error = true;
            }
            if (isset(
$password_set_real) && !empty($password_set_real)
                && isset(
$_REQUEST['authentication_plugin'])
            ) {
                
PMA_setProperPasswordHashing(
                    
$_REQUEST['authentication_plugin']
                );
                if (
$GLOBALS['dbi']->tryQuery($password_set_real)) {
                    
$sql_query .= $password_set_show;
                }
            }
            
$sql_query = $create_user_show . $sql_query;
        }

        list(
$sql_query, $message) = PMA_addUserAndCreateDatabase(
            
$_error,
            
$real_sql_query,
            
$sql_query,
            
$username,
            
$hostname,
            isset(
$dbname) ? $dbname : null
        
);
        if (!empty(
$_REQUEST['userGroup']) && $is_menuwork) {
            
PMA_setUserGroup($GLOBALS['username'], $_REQUEST['userGroup']);
        }

        return array(
            
$message,
            
$queries,
            
$queries_for_display,
            
$sql_query,
            
$_add_user_error
        
);
    }

    if (isset(
$create_user_real)) {
        
$queries[] = $create_user_real;
    }
    
$queries[] = $real_sql_query;

    if (isset(
$password_set_real) && ! empty($password_set_real)
        && isset(
$_REQUEST['authentication_plugin'])
    ) {
        
PMA_setProperPasswordHashing(
            
$_REQUEST['authentication_plugin']
        );

        
$queries[] = $password_set_real;
    }
    
// we put the query containing the hidden password in
    // $queries_for_display, at the same position occupied
    // by the real query in $queries
    
$tmp_count = count($queries);
    if (isset(
$create_user_real)) {
        
$queries_for_display[$tmp_count - 2] = $create_user_show;
    }
    if (isset(
$password_set_real) && ! empty($password_set_real)) {
        
$queries_for_display[$tmp_count - 3] = $create_user_show;
        
$queries_for_display[$tmp_count - 2] = $sql_query;
        
$queries_for_display[$tmp_count - 1] = $password_set_show;
    } else {
        
$queries_for_display[$tmp_count - 1] = $sql_query;
    }

    return array(
        
$message, $queries, $queries_for_display, $sql_query, $_add_user_error
    
);
}

/**
* Sets proper value of `old_passwords` according to
* the authentication plugin selected
*
* @param string $auth_plugin authentication plugin selected
*
* @return void
*/
function PMA_setProperPasswordHashing($auth_plugin)
{
    
// Set the hashing method used by PASSWORD()
    // to be of type depending upon $authentication_plugin
    
if ($auth_plugin == 'sha256_password') {
        
$GLOBALS['dbi']->tryQuery('SET `old_passwords` = 2');
    } else {
        
$GLOBALS['dbi']->tryQuery('SET `old_passwords` = 0');
    }
}

/**
* Update DB information: DB, Table, isWildcard
*
* @return array
*/
function PMA_getDataForDBInfo()
{
    
$username = null;
    
$hostname = null;
    
$dbname = null;
    
$tablename = null;
    
$dbname_is_wildcard = null;

    if (isset(
$_REQUEST['username'])) {
        
$username = $_REQUEST['username'];
    }
    if (isset(
$_REQUEST['hostname'])) {
        
$hostname = $_REQUEST['hostname'];
    }
    
/**
     * Checks if a dropdown box has been used for selecting a database / table
     */
    
if (PMA_isValid($_REQUEST['pred_tablename'])) {
        
$tablename = $_REQUEST['pred_tablename'];
    } elseif (
PMA_isValid($_REQUEST['tablename'])) {
        
$tablename = $_REQUEST['tablename'];
    } else {
        unset(
$tablename);
    }

    if (isset(
$_REQUEST['pred_dbname'])) {
        
$is_valid_pred_dbname = true;
        foreach (
$_REQUEST['pred_dbname'] as $key => $db_name) {
            if (!
PMA_isValid($db_name)) {
                
$is_valid_pred_dbname = false;
                break;
            }
        }
    }

    if (isset(
$_REQUEST['dbname'])) {
        
$is_valid_dbname = true;
        if (
is_array($_REQUEST['dbname'])) {
            foreach (
$_REQUEST['dbname'] as $key => $db_name) {
                if (!
PMA_isValid($db_name)) {
                    
$is_valid_dbname = false;
                    break;
                }
            }
        } else {
            if (!
PMA_isValid($_REQUEST['dbname'])) {
                
$is_valid_dbname = false;
            }
        }
    }

    if (isset(
$is_valid_pred_dbname) && $is_valid_pred_dbname) {
        
$dbname = $_REQUEST['pred_dbname'];
        
// If dbname contains only one database.
        
if (count($dbname) == 1) {
            
$dbname = $dbname[0];
        }
    } elseif (isset(
$is_valid_dbname) && $is_valid_dbname) {
        
$dbname = $_REQUEST['dbname'];
    } else {
        unset(
$dbname);
        unset(
$tablename);
    }

    if (isset(
$dbname)) {
        if (
is_array($dbname)) {
            
$db_and_table = $dbname;
            foreach (
$db_and_table as $key => $db_name) {
                
$db_and_table[$key] .= '.';
            }
        } else {
            
$unescaped_db = PMA_Util::unescapeMysqlWildcards($dbname);
            
$db_and_table = PMA_Util::backquote($unescaped_db) . '.';
        }
        if (isset(
$tablename)) {
            
$db_and_table .= PMA_Util::backquote($tablename);
        } else {
            if (
is_array($db_and_table)) {
                foreach (
$db_and_table as $key => $db_name) {
                    
$db_and_table[$key] .= '*';
                }
            } else {
                
$db_and_table .= '*';
            }
        }
    } else {
        
$db_and_table = '*.*';
    }

    
// check if given $dbname is a wildcard or not
    
if (isset($dbname)) {
        
//if (preg_match('/\\\\(?:_|%)/i', $dbname)) {
        
if (! is_array($dbname) && preg_match('/(?<!\\\\)(?:_|%)/i', $dbname)) {
            
$dbname_is_wildcard = true;
        } else {
            
$dbname_is_wildcard = false;
        }
    }

    return array(
        
$username, $hostname,
        isset(
$dbname)? $dbname : null,
        isset(
$tablename)? $tablename : null,
        
$db_and_table,
        
$dbname_is_wildcard,
    );
}

/**
* Get title and textarea for export user definition in Privileges
*
* @param string $username username
* @param string $hostname host name
*
* @return array ($title, $export)
*/
function PMA_getListForExportUserDefinition($username, $hostname)
{
    
$export = '<textarea class="export" cols="60" rows="15">';

    if (isset(
$_REQUEST['selected_usr'])) {
        
// export privileges for selected users
        
$title = __('Privileges');

        foreach (
$_REQUEST['selected_usr'] as $export_user) {
            
$export_username = /*overload*/mb_substr(
                
$export_user, 0, /*overload*/mb_strpos($export_user, '&')
            );
            
$export_hostname = /*overload*/mb_substr(
                
$export_user, /*overload*/mb_strrpos($export_user, ';') + 1
            
);
            
$export .= '# '
                
. sprintf(
                    
__('Privileges for %s'),
                    
'`' . htmlspecialchars($export_username)
                    .
'`@`' . htmlspecialchars($export_hostname) . '`'
                
)
                .
"\n\n";
            
$export .= PMA_getGrants($export_username, $export_hostname) . "\n";
        }
    } else {
        
// export privileges for a single user
        
$title = __('User') . ' `' . htmlspecialchars($username)
            .
'`@`' . htmlspecialchars($hostname) . '`';
        
$export .= PMA_getGrants($username, $hostname);
    }
    
// remove trailing whitespace
    
$export = trim($export);

    
$export .= '</textarea>';

    return array(
$title, $export);
}

/**
* Get HTML for display Add userfieldset
*
* @param string $db    the database
* @param string $table the table name
*
* @return string html output
*/
function PMA_getAddUserHtmlFieldset($db = '', $table = '')
{
    if (!
$GLOBALS['is_createuser']) {
        return
'';
    }
    
$rel_params = array();
    
$url_params = array(
        
'adduser' => 1
    
);
    if (!empty(
$db)) {
        
$url_params['dbname']
            =
$rel_params['checkprivsdb']
                =
$db;
    }
    if (!empty(
$table)) {
        
$url_params['tablename']
            =
$rel_params['checkprivstable']
                =
$table;
    }

    return
'<fieldset id="fieldset_add_user">' . "\n"
        
. '<legend>' . _pgettext('Create new user', 'New') . '</legend>'
        
. '<a id="add_user_anchor" href="server_privileges.php'
        
. PMA_URL_getCommon($url_params) . '" '
        
. (!empty($rel_params)
            ? (
'rel="' . PMA_URL_getCommon($rel_params) . '" ')
            :
'')
        .
'>' . "\n"
        
. PMA_Util::getIcon('b_usradd.png')
        .
'            ' . __('Add user account') . '</a>' . "\n"
        
. '</fieldset>' . "\n";
}

/**
* Get HTML header for display User's properties
*
* @param boolean $dbname_is_wildcard whether database name is wildcard or not
* @param string  $url_dbname         url database name that urlencode() string
* @param string  $dbname             database name
* @param string  $username           username
* @param string  $hostname           host name
* @param string  $tablename          table name
*
* @return string $html_output
*/
function PMA_getHtmlHeaderForUserProperties(
    
$dbname_is_wildcard, $url_dbname, $dbname, $username, $hostname, $tablename
) {
    
$html_output = '<h2>' . "\n"
       
. PMA_Util::getIcon('b_usredit.png')
       .
__('Edit privileges:') . ' '
       
. __('User account');

    if (! empty(
$dbname)) {
        
$html_output .= ' <i><a class="edit_user_anchor"'
            
. ' href="server_privileges.php'
            
. PMA_URL_getCommon(
                array(
                    
'username' => $username,
                    
'hostname' => $hostname,
                    
'dbname' => '',
                    
'tablename' => '',
                )
            )
            .
'">\'' . htmlspecialchars($username)
            .
'\'@\'' . htmlspecialchars($hostname)
            .
'\'</a></i>' . "\n";

        
$html_output .= ' - ';
        
$html_output .= ($dbname_is_wildcard
            
|| is_array($dbname) && count($dbname) > 1)
            ?
__('Databases') : __('Database');
        if (! empty(
$_REQUEST['tablename'])) {
            
$html_output .= ' <i><a href="server_privileges.php'
                
. PMA_URL_getCommon(
                    array(
                        
'username' => $username,
                        
'hostname' => $hostname,
                        
'dbname' => $url_dbname,
                        
'tablename' => '',
                    )
                )
                .
'">' . htmlspecialchars($dbname)
                .
'</a></i>';

            
$html_output .= ' - ' . __('Table')
                .
' <i>' . htmlspecialchars($tablename) . '</i>';
        } else {
            if (!
is_array($dbname)) {
                
$dbname = array($dbname);
            }
            
$html_output .= ' <i>'
                
. htmlspecialchars(implode(', ', $dbname))
                .
'</i>';
        }

    } else {
        
$html_output .= ' <i>\'' . htmlspecialchars($username)
            .
'\'@\'' . htmlspecialchars($hostname)
            .
'\'</i>' . "\n";

    }
    
$html_output .= '</h2>' . "\n";
    
$cur_user = htmlspecialchars($GLOBALS['dbi']->getCurrentUser());
    
$user = htmlspecialchars($username . '@' . $hostname);
    
// Add a short notice for the user
    // to remind him that he is editing his own privileges
    
if ($user === $cur_user) {
        
$html_output .= PMA_Message::notice(
            
__(
                
'Note: You are attempting to edit privileges of the '
                
. 'user with which you are currently logged in.'
            
)
        )->
getDisplay();
    }
    return
$html_output;
}

/**
* Get HTML snippet for display user overview page
*
* @param string $pmaThemeImage a image source link
* @param string $text_dir      text directory
*
* @return string $html_output
*/
function PMA_getHtmlForUserOverview($pmaThemeImage, $text_dir)
{
    
$html_output = '<h2>' . "\n"
       
. PMA_Util::getIcon('b_usrlist.png')
       .
__('User accounts overview') . "\n"
       
. '</h2>' . "\n";

    
$password_column = 'Password';
    if (
PMA_Util::getServerType() == 'MySQL'
        
&& PMA_MYSQL_INT_VERSION >= 50706
    
) {
        
$password_column = 'authentication_string';
    }
    
// $sql_query is for the initial-filtered,
    // $sql_query_all is for counting the total no. of users

    
$sql_query = $sql_query_all = 'SELECT *,' .
        
" IF(`" . $password_column . "` = _latin1 '', 'N', 'Y') AS 'Password'" .
        
' FROM `mysql`.`user`';

    
$sql_query .= (isset($_REQUEST['initial'])
        ?
PMA_rangeOfUsers($_REQUEST['initial'])
        :
'');

    
$sql_query .= ' ORDER BY `User` ASC, `Host` ASC;';
    
$sql_query_all .= ' ;';

    
$res = $GLOBALS['dbi']->tryQuery(
        
$sql_query, null, PMA_DatabaseInterface::QUERY_STORE
    
);
    
$res_all = $GLOBALS['dbi']->tryQuery(
        
$sql_query_all, null, PMA_DatabaseInterface::QUERY_STORE
    
);

    if (!
$res) {
        
// the query failed! This may have two reasons:
        // - the user does not have enough privileges
        // - the privilege tables use a structure of an earlier version.
        // so let's try a more simple query

        
$GLOBALS['dbi']->freeResult($res);
        
$GLOBALS['dbi']->freeResult($res_all);
        
$sql_query = 'SELECT * FROM `mysql`.`user`';
        
$res = $GLOBALS['dbi']->tryQuery(
            
$sql_query, null, PMA_DatabaseInterface::QUERY_STORE
        
);

        if (!
$res) {
            
$html_output .= PMA_getHtmlForViewUsersError();
            
$html_output .= PMA_getAddUserHtmlFieldset();
        } else {
            
// This message is hardcoded because I will replace it by
            // a automatic repair feature soon.
            
$raw = 'Your privilege table structure seems to be older than'
                
. ' this MySQL version!<br />'
                
. 'Please run the <code>mysql_upgrade</code> command'
                
. '(<code>mysql_fix_privilege_tables</code> on older systems)'
                
. ' that should be included in your MySQL server distribution'
                
. ' to solve this problem!';
            
$html_output .= PMA_Message::rawError($raw)->getDisplay();
        }
        
$GLOBALS['dbi']->freeResult($res);
    } else {
        
$db_rights = PMA_getDbRightsForUserOverview();
        
// for all initials, even non A-Z
        
$array_initials = array();

        foreach (
$db_rights as $right) {
            foreach (
$right as $account) {
                if (empty(
$account['User']) && $account['Host'] == 'localhost') {
                    
$html_output .= PMA_Message::notice(
                        
__(
                            
'A user account allowing any user from localhost to '
                            
. 'connect is present. This will prevent other users '
                            
. 'from connecting if the host part of their account '
                            
. 'allows a connection from any (%) host.'
                        
)
                        .
PMA_Util::showMySQLDocu('problems-connecting')
                    )->
getDisplay();
                    break
2;
                }
            }
        }

        
/**
         * Displays the initials
         * Also not necessary if there is less than 20 privileges
         */
        
if ($GLOBALS['dbi']->numRows($res_all) > 20) {
            
$html_output .= PMA_getHtmlForInitials($array_initials);
        }

        
/**
        * Display the user overview
        * (if less than 50 users, display them immediately)
        */
        
if (isset($_REQUEST['initial'])
            || isset(
$_REQUEST['showall'])
            ||
$GLOBALS['dbi']->numRows($res) < 50
        
) {
            
$html_output .= PMA_getUsersOverview(
                
$res, $db_rights, $pmaThemeImage, $text_dir
            
);
        } else {
            
$html_output .= PMA_getAddUserHtmlFieldset();
        }
// end if (display overview)

        
if (! $GLOBALS['is_ajax_request']
            || ! empty(
$_REQUEST['ajax_page_request'])
        ) {
            if (isset(
$GLOBALS['flush_priv']) && $GLOBALS['flush_priv']) {
                
$flushnote = new PMA_Message(
                    
__(
                        
'Note: phpMyAdmin gets the users\' privileges directly '
                        
. 'from MySQL\'s privilege tables. The content of these '
                        
. 'tables may differ from the privileges the server uses, '
                        
. 'if they have been changed manually. In this case, '
                        
. 'you should %sreload the privileges%s before you continue.'
                    
),
                    
PMA_Message::NOTICE
                
);
                
$flushLink = '<a href="server_privileges.php'
                    
. PMA_URL_getCommon(array('flush_privileges' => 1))
                    .
'" id="reload_privileges_anchor">';
                
$flushnote->addParam(
                    
$flushLink,
                    
false
                
);
                
$flushnote->addParam('</a>', false);
            } else {
                
$flushnote = new PMA_Message(
                    
__(
                        
'Note: phpMyAdmin gets the users\' privileges directly '
                        
. 'from MySQL\'s privilege tables. The content of these '
                        
. 'tables may differ from the privileges the server uses, '
                        
. 'if they have been changed manually. In this case, '
                        
. 'the privileges have to be reloaded but currently, you '
                        
. 'don\'t have the RELOAD privilege.'
                    
)
                    .
PMA_Util::showMySQLDocu(
                        
'privileges-provided',
                        
false,
                        
'priv_reload'
                    
),
                    
PMA_Message::NOTICE
                
);
            }
            
$html_output .= $flushnote->getDisplay();
        }
    }

    return
$html_output;
}

/**
* Get HTML snippet for display user properties
*
* @param boolean $dbname_is_wildcard whether database name is wildcard or not
* @param string  $url_dbname         url database name that urlencode() string
* @param string  $username           username
* @param string  $hostname           host name
* @param string  $dbname             database name
* @param string  $tablename          table name
*
* @return string $html_output
*/
function PMA_getHtmlForUserProperties($dbname_is_wildcard,$url_dbname,
    
$username, $hostname, $dbname, $tablename
) {
    
$html_output  = '<div id="edit_user_dialog">';
    
$html_output .= PMA_getHtmlHeaderForUserProperties(
        
$dbname_is_wildcard, $url_dbname, $dbname, $username, $hostname, $tablename
    
);

    
$sql = "SELECT '1' FROM `mysql`.`user`"
        
. " WHERE `User` = '" . PMA_Util::sqlAddSlashes($username) . "'"
        
. " AND `Host` = '" . PMA_Util::sqlAddSlashes($hostname) . "';";

    
$user_does_not_exists = (bool) ! $GLOBALS['dbi']->fetchValue($sql);

    if (
$user_does_not_exists) {
        
$html_output .= PMA_Message::error(
            
__('The selected user was not found in the privilege table.')
        )->
getDisplay();
        
$html_output .= PMA_getHtmlForLoginInformationFields();
            
//exit;
    
}

    
$_params = array(
        
'username' => $username,
        
'hostname' => $hostname,
    );
    if (!
is_array($dbname) && /*overload*/mb_strlen($dbname)) {
        
$_params['dbname'] = $dbname;
        if (
/*overload*/mb_strlen($tablename)) {
            
$_params['tablename'] = $tablename;
        }
    } else {
        
$_params['dbname'] = $dbname;
    }

    
$html_output .= '<form class="submenu-item" name="usersForm" '
        
. 'id="addUsersForm" action="server_privileges.php" method="post">' . "\n";
    
$html_output .= PMA_URL_getHiddenInputs($_params);
    
$html_output .= PMA_getHtmlToDisplayPrivilegesTable(
        
// If $dbname is an array, pass any one db as all have same privs.
        
PMA_ifSetOr($dbname, (is_array($dbname)) ? $dbname[0] : '*', 'length'),
        
PMA_ifSetOr($tablename, '*', 'length')
    );

    
$html_output .= '</form>' . "\n";

    if (!
is_array($dbname) && ! /*overload*/mb_strlen($tablename)
        && empty(
$dbname_is_wildcard)
    ) {

        
// no table name was given, display all table specific rights
        // but only if $dbname contains no wildcards

        
$html_output .= '<form class="submenu-item" action="server_privileges.php" '
            
. 'id="db_or_table_specific_priv" method="post">' . "\n";

        
// unescape wildcards in dbname at table level
        
$unescaped_db = PMA_Util::unescapeMysqlWildcards($dbname);
        list(
$html_rightsTable, $found_rows)
            =
PMA_getHtmlForAllTableSpecificRights(
                
$username, $hostname, $unescaped_db
            
);
        
$html_output .= $html_rightsTable;

        if (!
/*overload*/mb_strlen($dbname)) {
            
// no database name was given, display select db
            
$html_output .= PMA_getHtmlForSelectDbInEditPrivs($found_rows);

        } else {
            
$html_output .= PMA_displayTablesInEditPrivs($dbname, $found_rows);
        }
        
$html_output .= '</fieldset>' . "\n";

        
$html_output .= '<fieldset class="tblFooters">' . "\n"
           
. '    <input type="submit" value="' . __('Go') . '" />'
           
. '</fieldset>' . "\n"
           
. '</form>' . "\n";
    }

    
// Provide a line with links to the relevant database and table
    
if (! is_array($dbname) && /*overload*/mb_strlen($dbname)
        && empty(
$dbname_is_wildcard)
    ) {
        
$html_output .= PMA_getLinkToDbAndTable($url_dbname, $dbname, $tablename);

    }

    if (!
is_array($dbname) && ! /*overload*/mb_strlen($dbname)
        && !
$user_does_not_exists
    
) {
        
//change login information
        
$html_output .= PMA_getHtmlForChangePassword($username, $hostname);
        
$html_output .= PMA_getChangeLoginInformationHtmlForm($username, $hostname);
    }
    
$html_output .= '</div>';

    return
$html_output;
}

/**
* Get queries for Table privileges to change or copy user
*
* @param string $user_host_condition user host condition to
*                                    select relevant table privileges
* @param array  $queries             queries array
* @param string $username            username
* @param string $hostname            host name
*
* @return array  $queries
*/
function PMA_getTablePrivsQueriesForChangeOrCopyUser($user_host_condition,
    
$queries, $username, $hostname
) {
    
$res = $GLOBALS['dbi']->query(
        
'SELECT `Db`, `Table_name`, `Table_priv` FROM `mysql`.`tables_priv`'
        
. $user_host_condition,
        
$GLOBALS['userlink'],
        
PMA_DatabaseInterface::QUERY_STORE
    
);
    while (
$row = $GLOBALS['dbi']->fetchAssoc($res)) {

        
$res2 = $GLOBALS['dbi']->query(
            
'SELECT `Column_name`, `Column_priv`'
            
. ' FROM `mysql`.`columns_priv`'
            
. ' WHERE `User`'
            
. ' = \'' . PMA_Util::sqlAddSlashes($_REQUEST['old_username']) . "'"
            
. ' AND `Host`'
            
. ' = \'' . PMA_Util::sqlAddSlashes($_REQUEST['old_username']) . '\''
            
. ' AND `Db`'
            
. ' = \'' . PMA_Util::sqlAddSlashes($row['Db']) . "'"
            
. ' AND `Table_name`'
            
. ' = \'' . PMA_Util::sqlAddSlashes($row['Table_name']) . "'"
            
. ';',
            
null,
            
PMA_DatabaseInterface::QUERY_STORE
        
);

        
$tmp_privs1 = PMA_extractPrivInfo($row);
        
$tmp_privs2 = array(
            
'Select' => array(),
            
'Insert' => array(),
            
'Update' => array(),
            
'References' => array()
        );

        while (
$row2 = $GLOBALS['dbi']->fetchAssoc($res2)) {
            
$tmp_array = explode(',', $row2['Column_priv']);
            if (
in_array('Select', $tmp_array)) {
                
$tmp_privs2['Select'][] = $row2['Column_name'];
            }
            if (
in_array('Insert', $tmp_array)) {
                
$tmp_privs2['Insert'][] = $row2['Column_name'];
            }
            if (
in_array('Update', $tmp_array)) {
                
$tmp_privs2['Update'][] = $row2['Column_name'];
            }
            if (
in_array('References', $tmp_array)) {
                
$tmp_privs2['References'][] = $row2['Column_name'];
            }
        }
        if (
count($tmp_privs2['Select']) > 0 && ! in_array('SELECT', $tmp_privs1)) {
            
$tmp_privs1[] = 'SELECT (`' . join('`, `', $tmp_privs2['Select']) . '`)';
        }
        if (
count($tmp_privs2['Insert']) > 0 && ! in_array('INSERT', $tmp_privs1)) {
            
$tmp_privs1[] = 'INSERT (`' . join('`, `', $tmp_privs2['Insert']) . '`)';
        }
        if (
count($tmp_privs2['Update']) > 0 && ! in_array('UPDATE', $tmp_privs1)) {
            
$tmp_privs1[] = 'UPDATE (`' . join('`, `', $tmp_privs2['Update']) . '`)';
        }
        if (
count($tmp_privs2['References']) > 0
            
&& ! in_array('REFERENCES', $tmp_privs1)
        ) {
            
$tmp_privs1[]
                =
'REFERENCES (`' . join('`, `', $tmp_privs2['References']) . '`)';
        }

        
$queries[] = 'GRANT ' . join(', ', $tmp_privs1)
            .
' ON ' . PMA_Util::backquote($row['Db']) . '.'
            
. PMA_Util::backquote($row['Table_name'])
            .
' TO \'' . PMA_Util::sqlAddSlashes($username)
            .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\''
            
. (in_array('Grant', explode(',', $row['Table_priv']))
            ?
' WITH GRANT OPTION;'
            
: ';');
    }
    return
$queries;
}

/**
* Get queries for database specific privileges for change or copy user
*
* @param array  $queries  queries array with string
* @param string $username username
* @param string $hostname host name
*
* @return array $queries
*/
function PMA_getDbSpecificPrivsQueriesForChangeOrCopyUser(
    
$queries, $username, $hostname
) {
    
$user_host_condition = ' WHERE `User`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($_REQUEST['old_username']) . "'"
        
. ' AND `Host`'
        
. ' = \'' . PMA_Util::sqlAddSlashes($_REQUEST['old_hostname']) . '\';';

    
$res = $GLOBALS['dbi']->query(
        
'SELECT * FROM `mysql`.`db`' . $user_host_condition
    
);

    while (
$row = $GLOBALS['dbi']->fetchAssoc($res)) {
        
$queries[] = 'GRANT ' . join(', ', PMA_extractPrivInfo($row))
            .
' ON ' . PMA_Util::backquote($row['Db']) . '.*'
            
. ' TO \'' . PMA_Util::sqlAddSlashes($username)
            .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\''
            
. ($row['Grant_priv'] == 'Y' ? ' WITH GRANT OPTION;' : ';');
    }
    
$GLOBALS['dbi']->freeResult($res);

    
$queries = PMA_getTablePrivsQueriesForChangeOrCopyUser(
        
$user_host_condition, $queries, $username, $hostname
    
);

    return
$queries;
}

/**
* Prepares queries for adding users and
* also create database and return query and message
*
* @param boolean $_error         whether user create or not
* @param string  $real_sql_query SQL query for add a user
* @param string  $sql_query      SQL query to be displayed
* @param string  $username       username
* @param string  $hostname       host name
* @param string  $dbname         database name
*
* @return array  $sql_query, $message
*/
function PMA_addUserAndCreateDatabase($_error, $real_sql_query, $sql_query,
    
$username, $hostname, $dbname
) {
    if (
$_error || (!empty($real_sql_query)
        && !
$GLOBALS['dbi']->tryQuery($real_sql_query))
    ) {
        
$_REQUEST['createdb-1'] = $_REQUEST['createdb-2']
            =
$_REQUEST['createdb-3'] = null;
        
$message = PMA_Message::rawError($GLOBALS['dbi']->getError());
    } else {
        
$message = PMA_Message::success(__('You have added a new user.'));
    }

    if (isset(
$_REQUEST['createdb-1'])) {
        
// Create database with same name and grant all privileges
        
$q = 'CREATE DATABASE IF NOT EXISTS '
            
. PMA_Util::backquote(
                
PMA_Util::sqlAddSlashes($username)
            ) .
';';
        
$sql_query .= $q;
        if (!
$GLOBALS['dbi']->tryQuery($q)) {
            
$message = PMA_Message::rawError($GLOBALS['dbi']->getError());
        }

        
/**
         * Reload the navigation
         */
        
$GLOBALS['reload'] = true;
        
$GLOBALS['db'] = $username;

        
$q = 'GRANT ALL PRIVILEGES ON '
            
. PMA_Util::backquote(
                
PMA_Util::escapeMysqlWildcards(
                    
PMA_Util::sqlAddSlashes($username)
                )
            ) .
'.* TO \''
            
. PMA_Util::sqlAddSlashes($username)
            .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\';';
        
$sql_query .= $q;
        if (!
$GLOBALS['dbi']->tryQuery($q)) {
            
$message = PMA_Message::rawError($GLOBALS['dbi']->getError());
        }
    }

    if (isset(
$_REQUEST['createdb-2'])) {
        
// Grant all privileges on wildcard name (username\_%)
        
$q = 'GRANT ALL PRIVILEGES ON '
            
. PMA_Util::backquote(
                
PMA_Util::sqlAddSlashes($username) . '\_%'
            
) . '.* TO \''
            
. PMA_Util::sqlAddSlashes($username)
            .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\';';
        
$sql_query .= $q;
        if (!
$GLOBALS['dbi']->tryQuery($q)) {
            
$message = PMA_Message::rawError($GLOBALS['dbi']->getError());
        }
    }

    if (isset(
$_REQUEST['createdb-3'])) {
        
// Grant all privileges on the specified database to the new user
        
$q = 'GRANT ALL PRIVILEGES ON '
        
. PMA_Util::backquote(
            
PMA_Util::sqlAddSlashes($dbname)
        ) .
'.* TO \''
        
. PMA_Util::sqlAddSlashes($username)
        .
'\'@\'' . PMA_Util::sqlAddSlashes($hostname) . '\';';
        
$sql_query .= $q;
        if (!
$GLOBALS['dbi']->tryQuery($q)) {
            
$message = PMA_Message::rawError($GLOBALS['dbi']->getError());
        }
    }
    return array(
$sql_query, $message);
}

/**
* Get SQL queries for Display and Add user
*
* @param string $username username
* @param string $hostname host name
* @param string $password password
*
* @return array ($create_user_real, $create_user_show,$real_sql_query, $sql_query
*                $password_set_real, $password_set_show)
*/
function PMA_getSqlQueriesForDisplayAndAddUser($username, $hostname, $password)
{
    
$slashedUsername = PMA_Util::sqlAddSlashes($username);
    
$slashedHostname = PMA_Util::sqlAddSlashes($hostname);
    
$slashedPassword = PMA_Util::sqlAddSlashes($password);

    
$create_user_stmt = sprintf(
        
'CREATE USER \'%s\'@\'%s\'',
        
$slashedUsername,
        
$slashedHostname
    
);

    if (
PMA_MYSQL_INT_VERSION >= 50507
        
&& isset($_REQUEST['authentication_plugin'])
    ) {
        
$create_user_stmt .= ' IDENTIFIED WITH '
            
. $_REQUEST['authentication_plugin'];
    }
    if (
PMA_MYSQL_INT_VERSION >= 50707
        
&& strpos($create_user_stmt, '%') !== false
    
) {
        
$create_user_stmt = str_replace(
            
'%', '%%', $create_user_stmt
        
);
    }
    
$create_user_real = $create_user_show = $create_user_stmt;

    
$password_set_stmt = 'SET PASSWORD FOR \'%s\'@\'%s\' = PASSWORD(\'%s\')';
    
$password_set_show = sprintf(
        
$password_set_stmt,
        
$slashedUsername,
        
$slashedHostname,
        
'***'
    
);
    
$password_set_real = null;

    
$sql_query_stmt = sprintf(
        
'GRANT %s ON *.* TO \'%s\'@\'%s\'',
        
join(', ', PMA_extractPrivInfo()),
        
$slashedUsername,
        
$slashedHostname
    
);
    
$real_sql_query = $sql_query = $sql_query_stmt;

    if (
PMA_MYSQL_INT_VERSION < 50707) {
        if (
$_POST['pred_password'] == 'keep') {
            
$password_set_real = sprintf(
                
$password_set_stmt,
                
$slashedUsername,
                
$slashedHostname,
                
$slashedPassword
            
);
        } else if (
$_POST['pred_password'] == 'none') {
            
$password_set_real = sprintf(
                
$password_set_stmt,
                
$slashedUsername,
                
$slashedHostname,
                
null
            
);
        } else {
            
$password_set_real = sprintf(
                
$password_set_stmt,
                
$slashedUsername,
                
$slashedHostname,
                
$_POST['pma_pw']
            );
        }
    } else {
        
$password_set_real = null;
        
$create_user_stmt .= ' BY \'%s\'';
        
$create_user_real = $create_user_show = $create_user_stmt;

        if (
$_POST['pred_password'] == 'keep') {
            
$create_user_real = sprintf(
                
$create_user_stmt,
                
$password
            
);
            
$create_user_show = sprintf(
                
$create_user_stmt,
                
'***'
            
);
        } else if (
$_POST['pred_password'] == 'none') {
            
$create_user_real = sprintf(
                
$create_user_stmt,
                
null
            
);
            
$create_user_show = sprintf(
                
$create_user_stmt,
                
'***'
            
);
        } else {
            
$create_user_real = sprintf(
                
$create_user_stmt,
                
$_POST['pma_pw']
            );
            
$create_user_show = sprintf(
                
$create_user_stmt,
                
'***'
            
);
        }
    }

    
// add REQUIRE clause
    
$require_clause = PMA_getRequireClause();
    
$real_sql_query .= $require_clause;
    
$sql_query .= $require_clause;

    if ((isset(
$_POST['Grant_priv']) && $_POST['Grant_priv'] == 'Y')
        || (isset(
$_POST['max_questions']) || isset($_POST['max_connections'])
        || isset(
$_POST['max_updates']) || isset($_POST['max_user_connections']))
    ) {
        
$with_clause = PMA_getWithClauseForAddUserAndUpdatePrivs();
        
$real_sql_query .= $with_clause;
        
$sql_query .= $with_clause;
    }

    if (isset(
$create_user_real)) {
        
$create_user_real .= ';';
        
$create_user_show .= ';';
    }
    
$real_sql_query .= ';';
    
$sql_query .= ';';
    
// No Global GRANT_OPTION privilege
    
if (!$GLOBALS['is_grantuser']) {
        
$real_sql_query = '';
        
$sql_query = '';
    }

    if (
PMA_Util::getServerType() == 'MySQL'
        
&& PMA_MYSQL_INT_VERSION >= 50700
    
) {
        
$password_set_real = null;
        
$password_set_show = null;
    } else {
        
$password_set_real .= ";";
        
$password_set_show .= ";";
    }

    return array(
$create_user_real,
        
$create_user_show,
        
$real_sql_query,
        
$sql_query,
        
$password_set_real,
        
$password_set_show
    
);
}

:: Command execute ::

Enter:
 
Select:
 

:: Search ::
  - regexp 

:: Upload ::
 
[ Read-Only ]

:: Make Dir ::
 
[ Read-Only ]
:: Make File ::
 
[ Read-Only ]

:: Go Dir ::
 
:: Go File ::
 

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