Files
phpmyadmin/sql.php3
2003-01-21 17:50:20 +00:00

635 lines
24 KiB
PHP
Executable File

<?php
/* $Id$ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Gets some core libraries
*/
require('./libraries/grab_globals.lib.php3');
require('./libraries/common.lib.php3');
/**
* Defines the url to return to in case of error in a sql statement
*/
// Security checkings
if (!empty($goto)) {
$is_gotofile = ereg_replace('^([^?]+).*$', '\\1', $goto);
if (!@file_exists('./' . $is_gotofile)) {
unset($goto);
} else {
$is_gotofile = ($is_gotofile == $goto);
}
} // end if (security checkings)
if (empty($goto)) {
$goto = (empty($table)) ? $cfg['DefaultTabDatabase'] : $cfg['DefaultTabTable'];
$is_gotofile = TRUE;
} // end if
if (!isset($err_url)) {
$err_url = (!empty($back) ? $back : $goto)
. '?' . PMA_generate_common_url(isset($db) ? $db : '')
. ((strpos(' ' . $goto, 'db_details') != 1 && isset($table)) ? '&amp;table=' . urlencode($table) : '');
} // end if
// Coming from a bookmark dialog
if (isset($fields['query'])) {
$sql_query = $fields['query'];
}
/**
* Check rights in case of DROP DATABASE
*
* This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
* but since a malicious user may pass this variable by url/form, we don't take
* into account this case.
*/
if (!defined('PMA_CHK_DROP')
&& !$cfg['AllowUserDropDatabase']
&& 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
$result = @PMA_mysql_query('USE mysql');
if (PMA_mysql_error()) {
include('./header.inc.php3');
PMA_mysqlDie($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.php3');
PMA_addBookmarks($fields, $cfg['Bookmark']);
header('Location: ' . $cfg['PmaAbsoluteUri'] . $goto);
} // end if
/**
* 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);
}
/**
* Reformat the query
*/
$parsed_sql = PMA_SQP_parse((get_magic_quotes_gpc() ? stripslashes($sql_query) : $sql_query));
$analyzed_sql = PMA_SQP_analyze($parsed_sql);
// Bug #641765 - Robbat2 - 12 January 2003, 10:49PM
// Reverted - Robbat2 - 13 January 2003, 2:40PM
$sql_query = PMA_SQP_formatHtml($parsed_sql, 'query_only');
// here we are sure that SELECT is uppercase
$is_select = eregi('^SELECT[[:space:]]+', $sql_query);
// If the query is a Select, extract the db and table names and modify
// $db and $table, to have correct page headers, links and left frame.
// db and table name may be enclosed with backquotes, db is optionnal,
// query may contain aliases.
// (TODO: if there are more than one table name in the Select:
// - do not extract the first table name
// - do not show a table name in the page header
// - do not display the sub-pages links)
//if ($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('`', '', $tmp[2]);
// }
//} // end if
if ($is_select) {
$prev_db = $db;
if (isset($analyzed_sql[0]['table_ref'][0]['table_true_name'])) {
$table = $analyzed_sql[0]['table_ref'][0]['table_true_name'];
}
if (isset($analyzed_sql[0]['table_ref'][0]['db'])
&& !empty($analyzed_sql[0]['table_ref'][0]['db'])) {
$db = $analyzed_sql[0]['table_ref'][0]['db'];
}
else {
$db = $prev_db;
}
$reload = ($db == $prev_db) ? 0 : 1;
}
/**
* Sets or modifies the $goto variable if required
*/
if ($goto == 'sql.php3') {
$goto = 'sql.php3?'
. PMA_generate_common_url($db, $table)
. '&amp;pos=' . $pos
. '&amp;sql_query=' . urlencode($sql_query);
} // end if
/**
* Go back to further page if table should not be dropped
*/
if (isset($btnDrop) && $btnDrop == $strNo) {
if (!empty($back)) {
$goto = $back;
}
if ($is_gotofile) {
if (strpos(' ' . $goto, 'db_details') == 1 && !empty($table)) {
unset($table);
}
include('./' . ereg_replace('\.\.*', '.', $goto));
} else {
header('Location: ' . $cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto));
}
exit();
} // end if
/**
* Displays the confirm page if required
*
* This part of the script is bypassed if $is_js_confirmed = 1 (already checked
* with js) because possible security issue is not so important here: at most,
* the confirm message isn't displayed.
*
* Also bypassed if only showing php code.or validating a SQL query
*/
if (!$cfg['Confirm']
|| (isset($is_js_confirmed) && $is_js_confirmed)
|| isset($btnDrop)
|| !empty($GLOBALS['show_as_php'])
|| !empty($GLOBALS['validatequery'])) {
$do_confirm = FALSE;
} else {
//$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));
$do_confirm = isset($analyzed_sql[0]['queryflags']['need_confirm']);
}
if ($do_confirm) {
// already stripped at beginning of script
//$stripped_sql_query = (get_magic_quotes_gpc() ? stripslashes($sql_query) : $sql_query);
$stripped_sql_query = $sql_query;
include('./header.inc.php3');
echo $strDoYouReally . '&nbsp;:<br />' . "\n";
echo '<tt>' . htmlspecialchars($stripped_sql_query) . '</tt>&nbsp;?<br/>' . "\n";
?>
<form action="sql.php3" method="post">
<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
<input type="hidden" name="sql_query" value="<?php echo urlencode(addslashes($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 = '';
}
// already stripped at beginning of script
// else if (get_magic_quotes_gpc()) {
// $sql_query = stripslashes($sql_query);
//}
// Defines some variables
// loic1: A table has 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 = $cfg['MaxRows'];
} else if ($session_max_rows != 'all') {
$cfg['MaxRows'] = $session_max_rows;
}
// Defines the display mode (horizontal/vertical) and header "frequency"
if (empty($disp_direction)) {
$disp_direction = $cfg['DefaultDisplay'];
}
if (empty($repeat_cells)) {
$repeat_cells = $cfg['RepeatCells'];
}
// SK -- Patch: $is_group added for use in calculation of total number of
// rows.
// $is_count is changed for more correct "LIMIT" clause
// appending in queries like
// "SELECT COUNT(...) FROM ... GROUP BY ..."
$is_explain = $is_count = $is_export = $is_delete = $is_insert = $is_affected = $is_show = $is_maint = $is_analyse = $is_group = $is_func = FALSE;
if ($is_select) { // see line 141
$is_group = eregi('[[:space:]]+(GROUP[[:space:]]+BY|HAVING|SELECT[[:space:]]+DISTINCT)[[:space:]]+', $sql_query);
$is_func = !$is_group && (eregi('[[:space:]]+(SUM|AVG|STD|STDDEV|MIN|MAX|BIT_OR|BIT_AND)\s*\(', $sql_query));
$is_count = !$is_group && (eregi('^SELECT[[:space:]]+COUNT\((.*\.+)?.*\)', $sql_query));
$is_export = (eregi('[[:space:]]+INTO[[:space:]]+OUTFILE[[:space:]]+', $sql_query));
$is_analyse = (eregi('[[:space:]]+PROCEDURE[[:space:]]+ANALYSE\(', $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)
&& (!$cfg['ShowAll'] || $session_max_rows != 'all')
&& !($is_count || $is_export || $is_func || $is_analyse)
//&& $is_select
//&& eregi('[[:space:]]FROM[[:space:]]', $sql_query)
&& isset($analyzed_sql[0]['queryflags']['select_from'])
&& !eregi('[[:space:]]LIMIT[[:space:]0-9,-]+$', $sql_query)) {
$sql_limit_to_append = " LIMIT $pos, ".$cfg['MaxRows'];
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 = $sql_query;
} // end if...else
PMA_mysql_select_db($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])) {
$cnt_all_result = @PMA_mysql_query('SELECT COUNT(*) as count' . $parts[2]);
if ($cnt_all_result) {
$num_rows = PMA_mysql_result($cnt_all_result, 0, 'count');
mysql_free_result($cnt_all_result);
} else {
$num_rows = 0;
}
}
// E x e c u t e t h e q u e r y
// Only if we didn't ask to see the php code (mikebeck)
if (!empty($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
unset($result);
$num_rows = 0;
}
else {
$result = @PMA_mysql_query($full_sql_query);
// Displays an error message if required and stop parsing the script
if (PMA_mysql_error()) {
$error = PMA_mysql_error();
include('./header.inc.php3');
$full_err_url = (ereg('^(db_details|tbl_properties)', $err_url))
? $err_url . '&amp;show_query=1&amp;sql_query=' . urlencode($sql_query)
: $err_url;
PMA_mysqlDie($error, $full_sql_query, '', $full_err_url);
}
// Gets the number of rows affected/returned
// (This must be done immediately after the query because
// mysql_affected_rows() reports about the last query done)
if (!$is_affected) {
$num_rows = ($result) ? @mysql_num_rows($result) : 0;
} else if (!isset($num_rows)) {
$num_rows = @mysql_affected_rows();
}
// Checks if the current database has changed
// This could happen if the user sends a query like "USE `database`;"
$res = PMA_mysql_query('SELECT DATABASE() AS "db";');
$row = PMA_mysql_fetch_array($res);
if ($db != $row['db']) {
$db = $row['db'];
$reload = 1;
}
@mysql_free_result($res);
unset($res);
unset($row);
// tmpfile remove after convert encoding appended by Y.Kawada
if (function_exists('PMA_kanji_file_conv')
&& (isset($textfile) && file_exists($textfile))) {
unlink($textfile);
}
// Counts the total number of rows for the same 'SELECT' query without the
// 'LIMIT' clause that may have been programatically added
if (empty($sql_limit_to_append)) {
$unlim_num_rows = $num_rows;
}
else if ($is_select) {
// SK -- Patch : correct calculations for GROUP BY, HAVING, DISTINCT
// Reads only the from-part of the query...
// NOTE: here the presence of LIMIT is impossible, HAVING and GROUP BY
// are necessary for correct calculation, and extra spaces and
// lowercase reserved words are removed, so we have a simple split
// pattern:
$array = split('[[:space:]]+(FROM|ORDER BY)[[:space:]]+', $sql_query);
// if $array[1] is empty here, there is an error in the query:
// "... FROM [ORDER BY ...]", but the query is already executed with
// success so this check is redundant???
if (!empty($array[1])) {
// ... and makes a count(*) to count the entries
// Special case: SELECT DISTINCT ... FROM ...
// the count of resulting rows can be found as:
// SELECT COUNT(DISTINCT ...) FROM ...
if (eregi('^SELECT DISTINCT(.*)', $array[0], $array_dist)) {
$count_what = 'DISTINCT ' . $array_dist[1];
} else {
$count_what = '*';
}
$count_query = 'SELECT COUNT(' . $count_what . ') AS count FROM ' . $array[1];
if ($cnt_all_result = mysql_query($count_query)) {
if ($is_group) {
$unlim_num_rows = @mysql_num_rows($cnt_all_result);
} else {
$unlim_num_rows = mysql_result($cnt_all_result, 0, 'count');
}
mysql_free_result($cnt_all_result);
}
} else {
$unlim_num_rows = 0;
}
} // end rows total count
} // end else "didn't ask to see php code"
// No rows returned -> move back to the calling page
if ($num_rows < 1 || $is_affected) {
if ($is_delete) {
$message = $strDeletedRows . '&nbsp;' . $num_rows;
} else if ($is_insert) {
$message = $strInsertedRows . '&nbsp;' . $num_rows;
} else if ($is_affected) {
$message = $strAffectedRows . '&nbsp;' . $num_rows;
} else if (!empty($zero_rows)) {
$message = $zero_rows;
} else if (!empty($GLOBALS['show_as_php'])) {
$message = $strPhp;
} else if (!empty($GLOBALS['validatequery'])) {
$message = $strValidateSQL;
} else {
$message = $strEmptyResultSet;
}
if ($is_gotofile) {
$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 (strpos(' ' . $goto, 'tbl_properties') == 1) {
if (!isset($table)) {
$goto = 'db_details.php3';
} else {
$is_table = @PMA_mysql_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'');
if (!($is_table && @mysql_numrows($is_table))) {
$goto = 'db_details.php3';
unset($table);
}
} // end if... else...
}
if (strpos(' ' . $goto, 'db_details') == 1) {
if (isset($table)) {
unset($table);
}
if (!isset($db)) {
$goto = 'main.php3';
} else {
$is_db = @PMA_mysql_select_db($db);
if (!$is_db) {
$goto = 'main.php3';
unset($db);
}
} // end if... else...
}
// Loads to target script
if (strpos(' ' . $goto, 'db_details') == 1
|| strpos(' ' . $goto, 'tbl_properties') == 1) {
$js_to_run = 'functions.js';
}
if ($goto != 'main.php3') {
include('./header.inc.php3');
}
include('./' . $goto);
} // end if file_exist
else {
header('Location: ' . $cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto) . '&message=' . urlencode($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);
}
if (isset($printview) && $printview == '1') {
include('./header_printview.inc.php3');
} else {
$js_to_run = 'functions.js';
unset($message);
if (!empty($table)) {
include('./tbl_properties_common.php3');
$url_query .= '&amp;goto=tbl_properties.php3&amp;back=tbl_properties.php3';
include('./tbl_properties_table_info.php3');
}
else {
include('./db_details_common.php3');
include('./db_details_db_info.php3');
}
include('./libraries/relation.lib.php3');
$cfgRelation = PMA_getRelationsParam();
}
// Gets the list of fields properties
if (isset($result) && $result) {
while ($field = PMA_mysql_fetch_field($result)) {
$fields_meta[] = $field;
}
$fields_cnt = count($fields_meta);
}
// Displays the results in a table
include('./libraries/display_tbl.lib.php3');
if (empty($disp_mode)) {
// see the "PMA_setDisplayMode()" function in
// libraries/display_tbl.lib.php3
$disp_mode = 'urdr111101';
}
if (!isset($dontlimitchars)) {
$dontlimitchars = 0;
}
PMA_displayTable($result, $disp_mode, $analyzed_sql);
mysql_free_result($result);
if ($disp_mode[6] == '1' || $disp_mode[9] == '1') {
echo "\n";
echo '<p>' . "\n";
// Displays "Insert a new row" link if required
if ($disp_mode[6] == '1') {
$lnk_goto = 'sql.php3?'
. PMA_generate_common_url($db, $table)
. '&amp;pos=' . $pos
. '&amp;session_max_rows=' . $session_max_rows
. '&amp;disp_direction=' . $disp_direction
. '&amp;repeat_cells=' . $repeat_cells
. '&amp;dontlimitchars=' . $dontlimitchars
. '&amp;sql_query=' . urlencode($sql_query);
$url_query = '?'
. PMA_generate_common_url($db, $table)
. '&amp;pos=' . $pos
. '&amp;session_max_rows=' . $session_max_rows
. '&amp;disp_direction=' . $disp_direction
. '&amp;repeat_cells=' . $repeat_cells
. '&amp;dontlimitchars=' . $dontlimitchars
. '&amp;sql_query=' . urlencode($sql_query)
. '&amp;goto=' . urlencode($lnk_goto);
echo ' <!-- Insert a new row -->' . "\n"
. ' <a href="tbl_change.php3' . $url_query . '">' . $strInsertNewRow . '</a>';
if ($disp_mode[9] == '1') {
echo '<br />';
}
echo "\n";
} // end insert new row
// Displays "printable view" link if required
if ($disp_mode[9] == '1') {
$url_query = '?'
. PMA_generate_common_url($db, $table)
. '&amp;pos=' . $pos
. '&amp;session_max_rows=' . $session_max_rows
. '&amp;disp_direction=' . $disp_direction
. '&amp;repeat_cells=' . $repeat_cells
. '&amp;printview=1'
. ((isset($dontlimitchars) && $dontlimitchars == '1') ? '&amp;dontlimitchars=1' : '')
. '&amp;sql_query=' . urlencode($sql_query);
echo ' <!-- Print view -->' . "\n"
. ' <a href="sql.php3' . $url_query . '" target="print_view">' . $strPrintView . '</a>' . "\n";
} // end displays "printable view"
echo '</p>' . "\n";
}
// Export link, if only one table
// (the url_query has extra parameters that won't be used to export)
if (isset($analyzed_sql[0]['table_ref'][0]['table_true_name'])
&& !isset($analyzed_sql[0]['table_ref'][1]['table_true_name'])) {
echo ' <!-- Export -->' . "\n"
. ' <a href="tbl_properties_export.php3' . $url_query . '&amp;unlim_num_rows=' . $unlim_num_rows . '">' . $strExport . '</a>' . "\n";
}
// Bookmark Support if required
if ($disp_mode[7] == '1'
&& ($cfg['Bookmark']['db'] && $cfg['Bookmark']['table'] && empty($id_bookmark))
&& !empty($sql_query)) {
echo "\n";
$goto = 'sql.php3?'
. PMA_generate_common_url($db, $table)
. '&amp;pos=' . $pos
. '&amp;session_max_rows=' . $session_max_rows
. '&amp;disp_direction=' . $disp_direction
. '&amp;repeat_cells=' . $repeat_cells
. '&amp;dontlimitchars=' . $dontlimitchars
. '&amp;sql_query=' . urlencode($sql_query)
. '&amp;id_bookmark=1';
?>
<!-- Bookmark the query -->
<form action="sql.php3" 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; ?>&nbsp;:
<?php echo PMA_generate_common_hidden_inputs(); ?>
<input type="hidden" name="goto" value="<?php echo $goto; ?>" />
<input type="hidden" name="fields[dbase]" value="<?php echo htmlspecialchars($db); ?>" />
<input type="hidden" name="fields[user]" value="<?php echo $cfg['Bookmark']['user']; ?>" />
<input type="hidden" name="fields[query]" value="<?php echo urlencode($sql_query); ?>" />
<input type="text" name="fields[label]" value="" />
<input type="submit" name="store_bkm" value="<?php echo $strBookmarkThis; ?>" />
</form>
<?php
} // end bookmark support
// Do print the page if required
if (isset($printview) && $printview == '1') {
echo "\n";
?>
<script type="text/javascript" language="javascript1.2">
<!--
// Do print the page
if (typeof(window.print) != 'undefined') {
window.print();
}
//-->
</script>
<?php
} // end print case
} // end rows returned
} // end executes the query
echo "\n\n";
/**
* Displays the footer
*/
require('./footer.inc.php3');
?>