111 lines
4.3 KiB
PHP
111 lines
4.3 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Get user's global privileges and some db-specific privileges
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*
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* @version $Id$
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*/
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/**
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*
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*/
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$is_create_db_priv = false;
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$is_process_priv = true;
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$is_reload_priv = false;
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$db_to_create = '';
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$dbs_where_create_table_allowed = array();
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$is_superuser = PMA_isSuperuser();
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function PMA_analyseShowGrant($rs_usr, &$is_create_db_priv, &$db_to_create,
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&$is_reload_priv, &$dbs_where_create_table_allowed)
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{
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$re0 = '(^|(\\\\\\\\)+|[^\])'; // non-escaped wildcards
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$re1 = '(^|[^\])(\\\)+'; // escaped wildcards
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while ($row = PMA_DBI_fetch_row($rs_usr)) {
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// extract db from GRANT ... ON *.* or GRANT ... ON db.*
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$db_name_offset = strpos($row[0], ' ON ') + 4;
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$show_grants_dbname = substr($row[0],
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$db_name_offset,
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strpos($row[0], '.', $db_name_offset) - $db_name_offset);
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$show_grants_dbname = PMA_unQuote($show_grants_dbname, '`');
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$show_grants_str = substr($row[0], 6, (strpos($row[0], ' ON ') - 6));
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if ($show_grants_str == 'RELOAD') {
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$is_reload_priv = true;
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}
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/**
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* @todo if we find CREATE VIEW but not CREATE, do not offer
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* the create database dialog box
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*/
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if ($show_grants_str == 'ALL'
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|| $show_grants_str == 'ALL PRIVILEGES'
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|| $show_grants_str == 'CREATE'
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|| strpos($show_grants_str, 'CREATE,') !== false) {
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if ($show_grants_dbname == '*') {
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// a global CREATE privilege
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$is_create_db_priv = true;
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$is_reload_priv = true;
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$db_to_create = '';
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$dbs_where_create_table_allowed[] = '*';
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// @todo we should not break here, cause GRANT ALL *.*
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// could be revoked by a later rule like GRANT SELECT ON db.*
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break;
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} else {
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// this array may contain wildcards
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$dbs_where_create_table_allowed[] = $show_grants_dbname;
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$dbname_to_test = PMA_backquote($show_grants_dbname);
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if ($is_create_db_priv) {
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// no need for any more tests if we already know this
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continue;
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}
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if ((ereg($re0 . '%|_', $show_grants_dbname)
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&& ! ereg('\\\\%|\\\\_', $show_grants_dbname))
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// does this db exist?
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|| (! PMA_DBI_try_query('USE ' . ereg_replace($re1 . '(%|_)', '\\1\\3', $dbname_to_test))
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&& substr(PMA_DBI_getError(), 1, 4) != 1044)
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) {
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$db_to_create = ereg_replace($re0 . '_', '\\1?', $show_grants_dbname);
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$db_to_create = ereg_replace($re0 . '%', '\\1...', $db_to_create);
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$db_to_create = ereg_replace($re1 . '(%|_)', '\\1\\3', $db_to_create);
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$is_create_db_priv = true;
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/**
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* @todo collect $db_to_create into an array, to display a
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* drop-down in the "Create new database" dialog
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*/
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// we don't break, we want all possible databases
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//break;
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} // end if
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} // end elseif
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} // end if
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} // end while
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} // end function
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// Detection for some CREATE privilege.
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// Since MySQL 4.1.2, we can easily detect current user's grants
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// using $userlink (no control user needed)
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// and we don't have to try any other method for detection
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// @todo fix to get really all privileges, not only explicitly defined for this user
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// from MySQL manual: (http://dev.mysql.com/doc/refman/5.0/en/show-grants.html)
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// SHOW GRANTS displays only the privileges granted explicitly to the named
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// account. Other privileges might be available to the account, but they are not
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// displayed. For example, if an anonymous account exists, the named account
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// might be able to use its privileges, but SHOW GRANTS will not display them.
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if ($rs_usr = PMA_DBI_try_query('SHOW GRANTS')) {
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PMA_analyseShowGrant($rs_usr, $is_create_db_priv, $db_to_create, $is_reload_priv, $dbs_where_create_table_allowed);
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PMA_DBI_free_result($rs_usr);
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unset($rs_usr);
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}
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// If disabled, don't show it
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if (!$cfg['SuggestDBName']) {
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$db_to_create = '';
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}
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?>
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