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<?php /* $Id: sql.php,v 1.94 2002/04/21 11:48:34 loic1 Exp $ */ /** * Gets some core libraries */ require('./libraries/grab_globals.lib.php'); require('./libraries/common.lib.php'); /** * Defines the url to return to in case of error in a sql statement */ if (empty($goto)) { $goto = (empty($table)) ? 'db_details.php' : 'tbl_properties.php'; } if (!isset($err_url)) { $err_url = $goto . '?lang=' . $lang . '&server=' . $server . (isset($db) ? '&db=' . urlencode($db) : '') . (($goto != 'db_details.php' && isset($table)) ? '&table=' . urlencode($table) : ''); } /** * Check rights in case of DROP DATABASE * * This test may be bypassed if $is_js_confirmed = 1 (already checked with js) * but since a malicious user may pass this variable by url/form, we don't take * into account this case. */ if (!defined('PMA_CHK_DROP') && !$cfgAllowUserDropDatabase && eregi('DROP[[:space:]]+(IF EXISTS[[:space:]]+)?DATABASE[[:space:]]', $sql_query)) { // Checks if the user is a Superuser // TODO: set a global variable with this information // loic1: optimized query $result = @mysql_query('USE mysql'); if (mysql_error()) { include('./header.inc.php'); PMA_mysqlDie($strNoDropDatabases, '', '', $err_url); } // end if } // end if /** * Bookmark add */ if (isset($store_bkm)) { if (get_magic_quotes_gpc()) { $fields['label'] = stripslashes($fields['label']); } include('./libraries/bookmark.lib.php'); PMA_addBookmarks($fields, $cfgBookmark); header('Location: ' . $cfgPmaAbsoluteUri . $goto); } /** * Gets the true sql query */ // $sql_query has been urlencoded in the confirmation form for drop/delete // queries or in the navigation bar for browsing among records if (isset($btnDrop) || isset($navig)) { $sql_query = urldecode($sql_query); } // If the query is a Select, extract the db and table names and modify // $db and $table, to have correct page headers, links and left frame. // db and table name may be enclosed with backquotes, db is optionnal, // query may contain aliases. // (todo: check for embedded comments...) $is_select = eregi('^SELECT[[:space:]]+', $sql_query); if ($is_select) { eregi('^SELECT[[:space:]]+(.*)[[:space:]]+FROM[[:space:]]+(`[^`]+`|[A-Za-z0-9_$]+)([\.]*)(`[^`]*`|[A-Za-z0-9_$]*)', $sql_query, $tmp); if ($tmp[3] == '.') { $prev_db = $db; $db = str_replace('`', '', $tmp[2]); $reload = ($db == $prev_db) ? 0 : 1; $table = str_replace('`', '', $tmp[4]); } else { $table = str_replace('`', '', $tmp[2]); } } // end if /** * Sets or modifies the $goto variable if required */ if ($goto == 'sql.php') { $goto = 'sql.php' . '?lang=' . $lang . '&server=' . $server . '&db=' . urlencode($db) . '&table=' . urlencode($table) . '&pos=' . $pos . '&sql_query=' . urlencode($sql_query); } /** * Go back to further page if table should not be dropped */ if (isset($btnDrop) && $btnDrop == $strNo) { if (!empty($back)) { $goto = $back; } if (@file_exists('./' . $goto)) { if ($goto == 'db_details.php' && !empty($table)) { unset($table); } include('./' . ereg_replace('\.\.*', '.', $goto)); } else { header('Location: ' . $cfgPmaAbsoluteUri . str_replace('&', '&', $goto)); } exit(); } // end if /** * Displays the confirm page if required * * This part of the script is bypassed if $is_js_confirmed = 1 (already checked * with js) because possible security issue is not so important here: at most, * the confirm message isn't displayed. */ if (!$cfgConfirm || (isset($is_js_confirmed) && $is_js_confirmed) || isset($btnDrop)) { $do_confirm = FALSE; } else { $do_confirm = (eregi('DROP[[:space:]]+(IF[[:space:]]+EXISTS[[:space:]]+)?(TABLE|DATABASE[[:space:]])|ALTER[[:space:]]+TABLE[[:space:]]+((`[^`]+`)|([A-Za-z0-9_$]+))[[:space:]]+DROP[[:space:]]|DELETE[[:space:]]+FROM[[:space:]]', $sql_query)); } if ($do_confirm) { if (get_magic_quotes_gpc()) { $stripped_sql_query = stripslashes($sql_query); } else { $stripped_sql_query = $sql_query; } include('./header.inc.php'); echo $strDoYouReally . ' :<br />' . "\n"; echo '<tt>' . htmlspecialchars($stripped_sql_query) . '</tt> ?<br/>' . "\n"; ?> <form action="sql.php" method="post"> <input type="hidden" name="lang" value="<?php echo $lang; ?>" /> <input type="hidden" name="server" value="<?php echo $server; ?>" /> <input type="hidden" name="db" value="<?php echo $db; ?>" /> <input type="hidden" name="table" value="<?php echo isset($table) ? $table : ''; ?>" /> <input type="hidden" name="sql_query" value="<?php echo urlencode($sql_query); ?>" /> <input type="hidden" name="zero_rows" value="<?php echo isset($zero_rows) ? $zero_rows : ''; ?>" /> <input type="hidden" name="goto" value="<?php echo $goto; ?>" /> <input type="hidden" name="back" value="<?php echo isset($back) ? $back : ''; ?>" /> <input type="hidden" name="reload" value="<?php echo isset($reload) ? $reload : 0; ?>" /> <input type="hidden" name="show_query" value="<?php echo isset($show_query) ? $show_query : ''; ?>" /> <input type="submit" name="btnDrop" value="<?php echo $strYes; ?>" /> <input type="submit" name="btnDrop" value="<?php echo $strNo; ?>" /> </form> <?php echo "\n"; } // end if /** * Executes the query and displays results */ else { if (!isset($sql_query)) { $sql_query = ''; } else if (get_magic_quotes_gpc()) { $sql_query = stripslashes($sql_query); } // Defines some variables // loic1: A table have to be created -> left frame should be reloaded if ((!isset($reload) || $reload == 0) && eregi('^CREATE TABLE[[:space:]]+(.*)', $sql_query)) { $reload = 1; } // Gets the number of rows per page if (!isset($session_max_rows)) { $session_max_rows = $cfgMaxRows; } else if ($session_max_rows != 'all') { $cfgMaxRows = $session_max_rows; } // Defines the display mode (horizontal/vertical) and header "frequency" if (empty($disp_direction)) { $disp_direction = $cfgDefaultDisplay; } if (empty($repeat_cells)) { $repeat_cells = $cfgRepeatCells; } $is_explain = $is_count = $is_export = $is_delete = $is_insert = $is_affected = $is_show = $is_maint = FALSE; if ($is_select) { // see line 76 $is_count = (eregi('^SELECT[[:space:]]+COUNT\((.*\.+)?.*\)', $sql_query)); $is_export = (eregi('[[:space:]]+INTO[[:space:]]+OUTFILE[[:space:]]+', $sql_query)); } else if (eregi('^EXPLAIN[[:space:]]+', $sql_query)) { $is_explain = TRUE; } else if (eregi('^DELETE[[:space:]]+', $sql_query)) { $is_delete = TRUE; $is_affected = TRUE; } else if (eregi('^(INSERT|LOAD[[:space:]]+DATA|REPLACE)[[:space:]]+', $sql_query)) { $is_insert = TRUE; $is_affected = TRUE; } else if (eregi('^UPDATE[[:space:]]+', $sql_query)) { $is_affected = TRUE; } else if (eregi('^SHOW[[:space:]]+', $sql_query)) { $is_show = TRUE; } else if (eregi('^(CHECK|ANALYZE|REPAIR|OPTIMIZE)[[:space:]]+TABLE[[:space:]]+', $sql_query)) { $is_maint = TRUE; } // Do append a "LIMIT" clause? if (isset($pos) && (!$cfgShowAll || $session_max_rows != 'all') && $is_select && !($is_count || $is_export) && eregi('[[:space:]]FROM[[:space:]]', $sql_query) && !eregi('[[:space:]]LIMIT[[:space:]0-9,]+$', $sql_query)) { $sql_limit_to_append = " LIMIT $pos, $cfgMaxRows"; if (eregi('(.*)([[:space:]](PROCEDURE[[:space:]](.*)|FOR[[:space:]]+UPDATE|LOCK[[:space:]]+IN[[:space:]]+SHARE[[:space:]]+MODE))$', $sql_query, $regs)) { $full_sql_query = $regs[1] . $sql_limit_to_append . $regs[2]; } else { $full_sql_query = $sql_query . $sql_limit_to_append; } } else { $full_sql_query = $sql_query; } // end if...else mysql_select_db($db); // If the query is a DELETE query with no WHERE clause, get the number of // rows that will be deleted (mysql_affected_rows will always return 0 in // this case) if ($is_delete && eregi('^DELETE([[:space:]].+)?([[:space:]]FROM[[:space:]](.+))$', $sql_query, $parts) && !eregi('[[:space:]]WHERE[[:space:]]', $parts[3])) { $OPresult = @mysql_query('SELECT COUNT(*) as count' . $parts[2]); if ($OPresult) { $num_rows = mysql_result($OPresult, 0, 'count'); } else { $num_rows = 0; } mysql_free_result($OPresult); } // Executes the query $result = @mysql_query($full_sql_query); // Displays an error message if required and stop parsing the script if (mysql_error()) { $error = mysql_error(); include('./header.inc.php'); $full_err_url = (ereg('^(db_details|tbl_properties)', $err_url)) ? $err_url . '&show_query=y&sql_query=' . urlencode($sql_query) : $err_url; PMA_mysqlDie($error, $full_sql_query, '', $full_err_url); } // tmpfile remove after convert encoding appended by Y.Kawada if (function_exists('PMA_kanji_file_conv') && (isset($textfile) && file_exists($textfile))) { unlink($textfile); } // Gets the number of rows affected/returned if (!$is_affected) { $num_rows = @mysql_num_rows($result); } else if (!isset($num_rows)) { $num_rows = @mysql_affected_rows(); } // Counts the total number of rows for the same 'SELECT' query without the // 'LIMIT' clause that may have been programatically added if (empty($sql_limit_to_append)) { $unlim_num_rows = $num_rows; } else if ($is_select) { // reads only the from-part of the query... $sp='[[:space:]]'; $array = split( $sp . 'from' . $sp .'|' . $sp . 'FROM' .$sp . '|' . $sp .'order' . $sp . '|' . $sp . 'ORDER' . $sp . '|' . $sp .'having' . $sp . '|' . $sp . 'HAVING' . $sp . '|' . $sp .'limit' . $sp . '|' . $sp . 'LIMIT' . $sp . '|' . $sp .'group' . $sp . 'by'. $sp . '|' . $sp . 'GROUP' . $sp . 'BY' . $sp, $sql_query); if (!empty($array[1])) { // ... and makes a count(*) to count the entries $count_query = 'SELECT COUNT(*) AS count FROM ' . $array[1]; $OPresult = mysql_query($count_query); if ($OPresult) { $unlim_num_rows = mysql_result($OPresult, 0, 'count'); } mysql_free_result($OPresult); } else { $unlim_num_rows = 0; } } // end rows total count // No rows returned -> move back to the calling page if ($num_rows < 1 || $is_affected) { if ($is_delete) { $message = $strDeletedRows . ' ' . $num_rows; } else if ($is_insert) { $message = $strInsertedRows . ' ' . $num_rows; } else if ($is_affected) { $message = $strAffectedRows . ' ' . $num_rows; } else if (!empty($zero_rows)) { $message = $zero_rows; } else { $message = $strEmptyResultSet; } if (@file_exists('./' . $goto)) { $goto = ereg_replace('\.\.*', '.', $goto); // Checks for a valid target script if (isset($table) && $table == '') { unset($table); } if (isset($db) && $db == '') { unset($db); } $is_db = $is_table = FALSE; if ($goto == 'tbl_properties.php') { if (!isset($table)) { $goto = 'db_details.php'; } else { $is_table = @mysql_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\''); if (!@mysql_numrows($is_table)) { $goto = 'db_details.php'; unset($table); } } // end if... else... } if ($goto == 'db_details.php') { if (isset($table)) { unset($table); } if (!isset($db)) { $goto = 'main.php'; } else { $is_db = @mysql_select_db($db); if (!$is_db) { $goto = 'main.php'; unset($db); } } // end if... else... } // Loads to target script if ($goto == 'db_details.php' || $goto == 'tbl_properties.php') { $js_to_run = 'functions.js'; } if ($goto != 'main.php') { include('./header.inc.php'); } include('./' . $goto); } // end if file_exist else { header('Location: ' . $cfgPmaAbsoluteUri . str_replace('&', '&', $goto) . '&message=' . urlencode($message)); } // end else exit(); } // end no rows returned // At least one row is returned -> displays a table with results else { // Displays the headers if (isset($show_query)) { unset($show_query); } $js_to_run = 'functions.js'; include('./header.inc.php'); include('./libraries/bookmark.lib.php'); // Gets the list of fields properties while ($field = mysql_fetch_field($result)) { $fields_meta[] = $field; } $fields_cnt = count($fields_meta); // Displays the results in a table include('./libraries/display_tbl.lib.php'); if (empty($disp_mode)) { // see the "PMA_setDisplayMode()" function in // libraries/display_tbl.lib.php $disp_mode = 'urdr11110'; } PMA_displayTable($result, $disp_mode); mysql_free_result($result); // Displays "Insert a new row" link if required if ($disp_mode[6] == '1') { $lnk_goto = 'sql.php' . '?lang=' . $lang . '&server=' . $server . '&db=' . urlencode($db) . '&table=' . urlencode($table) . '&pos=' . $pos . '&session_max_rows=' . $session_max_rows . '&disp_direction=' . $disp_direction . '&repeat_cells=' . $repeat_cells . '&sql_query=' . urlencode($sql_query); $url_query = 'lang=' . $lang . '&server=' . $server . '&db=' . urlencode($db) . '&table=' . urlencode($table) . '&pos=' . $pos . '&session_max_rows=' . $session_max_rows . '&disp_direction=' . $disp_direction . '&repeat_cells=' . $repeat_cells . '&sql_query=' . urlencode($sql_query) . '&goto=' . urlencode($lnk_goto); echo "\n\n"; echo '<!-- Insert a new row -->' . "\n"; echo '<p>' . "\n"; echo ' <a href="tbl_change.php?' . $url_query . '">' . $strInsertNewRow . '</a>' . "\n"; echo '</p>' . "\n"; } // end insert new row // Bookmark Support if required if ($disp_mode[7] == '1' && ($cfgBookmark['db'] && $cfgBookmark['table'] && empty($id_bookmark)) && !empty($sql_query)) { echo "\n"; $goto = 'sql.php' . '?lang=' . $lang . '&server=' . $server . '&db=' . urlencode($db) . '&table=' . urlencode($table) . '&pos=' . $pos . '&session_max_rows=' . $session_max_rows . '&disp_direction=' . $disp_direction . '&repeat_cells=' . $repeat_cells . '&sql_query=' . urlencode($sql_query) . '&id_bookmark=1'; ?> <!-- Bookmark the query --> <form action="sql.php" method="post" onsubmit="return emptyFormElements(this, 'fields[label]');"> <?php echo "\n"; if ($disp_mode[3] == '1') { echo ' <i>' . $strOr . '</i>' . "\n"; } ?> <br /><br /> <?php echo $strBookmarkLabel; ?> : <input type="hidden" name="server" value="<?php echo $server; ?>" /> <input type="hidden" name="goto" value="<?php echo $goto; ?>" /> <input type="hidden" name="fields[dbase]" value="<?php echo $db; ?>" /> <input type="hidden" name="fields[user]" value="<?php echo $cfgBookmark['user']; ?>" /> <input type="hidden" name="fields[query]" value="<?php echo urlencode($sql_query); ?>" /> <input type="text" name="fields[label]" value="" /> <input type="submit" name="store_bkm" value="<?php echo $strBookmarkThis; ?>" /> </form> <?php } // end bookmark support } // end rows returned } // end executes the query echo "\n\n"; /** * Displays the footer */ require('./footer.inc.php'); ?>