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1 <?php
2 /***************************************************************************
3 *                             admin_db_utilities.php
4 *                              -------------------
5 *     begin                : Thu May 31, 2001
6 *     copyright            : (C) 2001 The phpBB Group
7 *     email                : support@phpbb.com
8 *
9 *     $Id: admin_db_utilities.php,v 1.42.2.10 2003/03/04 21:02:19 acydburn Exp $
10 *
11 ****************************************************************************/
13 /***************************************************************************
14  *
15  *   This program is free software; you can redistribute it and/or modify
16  *   it under the terms of the GNU General Public License as published by
17  *   the Free Software Foundation; either version 2 of the License, or
18  *   (at your option) any later version.
19  *
20  ***************************************************************************/
22 /***************************************************************************
23 *       We will attempt to create a file based backup of all of the data in the
24 *       users phpBB database.  The resulting file should be able to be imported by
25 *       the db_restore.php function, or by using the mysql command_line
26 *
27 *       Some functions are adapted from the upgrade_20.php script and others
28 *       adapted from the unoficial phpMyAdmin 2.2.0.
29 ***************************************************************************/
31 define('IN_PHPBB', 1);
33 if( !empty($setmodules) )
34 {
35         $filename = basename(__FILE__);
36         $module['General']['Backup_DB'] = $filename . "?perform=backup";
38         $file_uploads = (@phpversion() >= '4.0.0') ? @ini_get('file_uploads') : @get_cfg_var('file_uploads');
40         if( (empty($file_uploads) || $file_uploads != 0) && (strtolower($file_uploads) != 'off') && (@phpversion() != '4.0.4pl1') )
41         {
42                 $module['General']['Restore_DB'] = $filename . "?perform=restore";
43         }
45         return;
46 }
48 //
49 // Load default header
50 //
51 $no_page_header = TRUE;
52 $phpbb_root_path = "./../";
53 require($phpbb_root_path . 'extension.inc');
54 require('./pagestart.' . $phpEx);
55 include($phpbb_root_path . 'includes/sql_parse.'.$phpEx);
57 //
58 // Set VERBOSE to 1  for debugging info..
59 //
60 define("VERBOSE", 0);
62 //
63 // Increase maximum execution time, but don't complain about it if it isn't
64 // allowed.
65 //
66 @set_time_limit(1200);
68 // -----------------------
69 // The following functions are adapted from phpMyAdmin and upgrade_20.php
70 //
71 function gzip_PrintFourChars($Val)
72 {
73         for ($i = 0; $i < 4; $i ++)
74         {
75                 $return .= chr($Val % 256);
76                 $Val = floor($Val / 256);
77         }
78         return $return;
79
83 //
84 // This function is used for grabbing the sequences for postgres...
85 //
86 function pg_get_sequences($crlf, $backup_type)
87 {
88         global $db;
90         $get_seq_sql = "SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*'
91                 AND relkind = 'S' ORDER BY relname";
93         $seq = $db->sql_query($get_seq_sql);
95         if( !$num_seq = $db->sql_numrows($seq) )
96         {
98                 $return_val = "# No Sequences Found $crlf";
100         }
101         else
102         {
103                 $return_val = "# Sequences $crlf";
104                 $i_seq = 0;
106                 while($i_seq < $num_seq)
107                 {
108                         $row = $db->sql_fetchrow($seq);
109                         $sequence = $row['relname'];
111                         $get_props_sql = "SELECT * FROM $sequence";
112                         $seq_props = $db->sql_query($get_props_sql);
114                         if($db->sql_numrows($seq_props) > 0)
115                         {
116                                 $row1 = $db->sql_fetchrow($seq_props);
118                                 if($backup_type == 'structure')
119                                 {
120                                         $row['last_value'] = 1;
121                                 }
123                                 $return_val .= "CREATE SEQUENCE $sequence start " . $row['last_value'] . ' increment ' . $row['increment_by'] . ' maxvalue ' . $row['max_value'] . ' minvalue ' . $row['min_value'] . ' cache ' . $row['cache_value'] . "; $crlf";
125                         }  // End if numrows > 0
127                         if(($row['last_value'] > 1) && ($backup_type != 'structure'))
128                         {
129                                 $return_val .= "SELECT NEXTVALE('$sequence'); $crlf";
130                                 unset($row['last_value']);
131                         }
133                         $i_seq++;
135                 } // End while..
137         } // End else...
139         return $returnval;
141 } // End function...
143 //
144 // The following functions will return the "CREATE TABLE syntax for the
145 // varying DBMS's
146 //
147 // This function returns, will return the table def's for postgres...
148 //
149 function get_table_def_postgresql($table, $crlf)
151         global $drop, $db;
153         $schema_create = "";
154         //
155         // Get a listing of the fields, with their associated types, etc.
156         //
158         $field_query = "SELECT a.attnum, a.attname AS field, t.typname as type, a.attlen AS length, a.atttypmod as lengthvar, a.attnotnull as notnull
159                 FROM pg_class c, pg_attribute a, pg_type t
160                 WHERE c.relname = '$table'
161                         AND a.attnum > 0
162                         AND a.attrelid = c.oid
163                         AND a.atttypid = t.oid
164                 ORDER BY a.attnum";
165         $result = $db->sql_query($field_query);
167         if(!$result)
168         {
169                 message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $field_query);
170         } // end if..
172         if ($drop == 1)
173         {
174                 $schema_create .= "DROP TABLE $table;$crlf";
175         } // end if
177         //
178         // Ok now we actually start building the SQL statements to restore the tables
179         //
181         $schema_create .= "CREATE TABLE $table($crlf";
183         while ($row = $db->sql_fetchrow($result))
184         {
185                 //
186                 // Get the data from the table
187                 //
188                 $sql_get_default = "SELECT d.adsrc AS rowdefault
189                         FROM pg_attrdef d, pg_class c
190                         WHERE (c.relname = '$table')
191                                 AND (c.oid = d.adrelid)
192                                 AND d.adnum = " . $row['attnum'];
193                 $def_res = $db->sql_query($sql_get_default);
195                 if (!$def_res)
196                 {
197                         unset($row['rowdefault']);
198                 }
199                 else
200                 {
201                         $row['rowdefault'] = @pg_result($def_res, 0, 'rowdefault');
202                 }
204                 if ($row['type'] == 'bpchar')
205                 {
206                         // Internally stored as bpchar, but isn't accepted in a CREATE TABLE statement.
207                         $row['type'] = 'char';
208                 }
210                 $schema_create .= '     ' . $row['field'] . ' ' . $row['type'];
212                 if (eregi('char', $row['type']))
213                 {
214                         if ($row['lengthvar'] > 0)
215                         {
216                                 $schema_create .= '(' . ($row['lengthvar'] -4) . ')';
217                         }
218                 }
220                 if (eregi('numeric', $row['type']))
221                 {
222                         $schema_create .= '(';
223                         $schema_create .= sprintf("%s,%s", (($row['lengthvar'] >> 16) & 0xffff), (($row['lengthvar'] - 4) & 0xffff));
224                         $schema_create .= ')';
225                 }
227                 if (!empty($row['rowdefault']))
228                 {
229                         $schema_create .= ' DEFAULT ' . $row['rowdefault'];
230                 }
232                 if ($row['notnull'] == 't')
233                 {
234                         $schema_create .= ' NOT NULL';
235                 }
237                 $schema_create .= ",$crlf";
239         }
240         //
241         // Get the listing of primary keys.
242         //
244         $sql_pri_keys = "SELECT ic.relname AS index_name, bc.relname AS tab_name, ta.attname AS column_name, i.indisunique AS unique_key, i.indisprimary AS primary_key
245                 FROM pg_class bc, pg_class ic, pg_index i, pg_attribute ta, pg_attribute ia
246                 WHERE (bc.oid = i.indrelid)
247                         AND (ic.oid = i.indexrelid)
248                         AND (ia.attrelid = i.indexrelid)
249                         AND     (ta.attrelid = bc.oid)
250                         AND (bc.relname = '$table')
251                         AND (ta.attrelid = i.indrelid)
252                         AND (ta.attnum = i.indkey[ia.attnum-1])
253                 ORDER BY index_name, tab_name, column_name ";
254         $result = $db->sql_query($sql_pri_keys);
256         if(!$result)
257         {
258                 message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $sql_pri_keys);
259         }
261         while ( $row = $db->sql_fetchrow($result))
262         {
263                 if ($row['primary_key'] == 't')
264                 {
265                         if (!empty($primary_key))
266                         {
267                                 $primary_key .= ', ';
268                         }
270                         $primary_key .= $row['column_name'];
271                         $primary_key_name = $row['index_name'];
273                 }
274                 else
275                 {
276                         //
277                         // We have to store this all this info because it is possible to have a multi-column key...
278                         // we can loop through it again and build the statement
279                         //
280                         $index_rows[$row['index_name']]['table'] = $table;
281                         $index_rows[$row['index_name']]['unique'] = ($row['unique_key'] == 't') ? ' UNIQUE ' : '';
282                         $index_rows[$row['index_name']]['column_names'] .= $row['column_name'] . ', ';
283                 }
284         }
286         if (!empty($index_rows))
287         {
288                 while(list($idx_name, $props) = each($index_rows))
289                 {
290                         $props['column_names'] = ereg_replace(", $", "" , $props['column_names']);
291                         $index_create .= 'CREATE ' . $props['unique'] . " INDEX $idx_name ON $table (" . $props['column_names'] . ");$crlf";
292                 }
293         }
295         if (!empty($primary_key))
296         {
297                 $schema_create .= "     CONSTRAINT $primary_key_name PRIMARY KEY ($primary_key),$crlf";
298         }
300         //
301         // Generate constraint clauses for CHECK constraints
302         //
303         $sql_checks = "SELECT rcname as index_name, rcsrc
304                 FROM pg_relcheck, pg_class bc
305                 WHERE rcrelid = bc.oid
306                         AND bc.relname = '$table'
307                         AND NOT EXISTS (
308                                 SELECT *
309                                         FROM pg_relcheck as c, pg_inherits as i
310                                         WHERE i.inhrelid = pg_relcheck.rcrelid
311                                                 AND c.rcname = pg_relcheck.rcname
312                                                 AND c.rcsrc = pg_relcheck.rcsrc
313                                                 AND c.rcrelid = i.inhparent
314                         )";
315         $result = $db->sql_query($sql_checks);
317         if (!$result)
318         {
319                 message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $sql_checks);
320         }
322         //
323         // Add the constraints to the sql file.
324         //
325         while ($row = $db->sql_fetchrow($result))
326         {
327                 $schema_create .= '     CONSTRAINT ' . $row['index_name'] . ' CHECK ' . $row['rcsrc'] . ",$crlf";
328         }
330         $schema_create = ereg_replace(',' . $crlf . '$', '', $schema_create);
331         $index_create = ereg_replace(',' . $crlf . '$', '', $index_create);
333         $schema_create .= "$crlf);$crlf";
335         if (!empty($index_create))
336         {
337                 $schema_create .= $index_create;
338         }
340         //
341         // Ok now we've built all the sql return it to the calling function.
342         //
343         return (stripslashes($schema_create));
347 //
348 // This function returns the "CREATE TABLE" syntax for mysql dbms...
349 //
350 function get_table_def_mysql($table, $crlf)
352         global $drop, $db;
354         $schema_create = "";
355         $field_query = "SHOW FIELDS FROM $table";
356         $key_query = "SHOW KEYS FROM $table";
358         //
359         // If the user has selected to drop existing tables when doing a restore.
360         // Then we add the statement to drop the tables....
361         //
362         if ($drop == 1)
363         {
364                 $schema_create .= "DROP TABLE IF EXISTS $table;$crlf";
365         }
367         $schema_create .= "CREATE TABLE $table($crlf";
369         //
370         // Ok lets grab the fields...
371         //
372         $result = $db->sql_query($field_query);
373         if(!$result)
374         {
375                 message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $field_query);
376         }
378         while ($row = $db->sql_fetchrow($result))
379         {
380                 $schema_create .= '     ' . $row['Field'] . ' ' . $row['Type'];
382                 if(!empty($row['Default']))
383                 {
384                         $schema_create .= ' DEFAULT \'' . $row['Default'] . '\'';
385                 }
387                 if($row['Null'] != "YES")
388                 {
389                         $schema_create .= ' NOT NULL';
390                 }
392                 if($row['Extra'] != "")
393                 {
394                         $schema_create .= ' ' . $row['Extra'];
395                 }
397                 $schema_create .= ",$crlf";
398         }
399         //
400         // Drop the last ',$crlf' off ;)
401         //
402         $schema_create = ereg_replace(',' . $crlf . '$', "", $schema_create);
404         //
405         // Get any Indexed fields from the database...
406         //
407         $result = $db->sql_query($key_query);
408         if(!$result)
409         {
410                 message_die(GENERAL_ERROR, "FAILED IN get_table_def (show keys)", "", __LINE__, __FILE__, $key_query);
411         }
413         while($row = $db->sql_fetchrow($result))
414         {
415                 $kname = $row['Key_name'];
417                 if(($kname != 'PRIMARY') && ($row['Non_unique'] == 0))
418                 {
419                         $kname = "UNIQUE|$kname";
420                 }
422                 if(!is_array($index[$kname]))
423                 {
424                         $index[$kname] = array();
425                 }
427                 $index[$kname][] = $row['Column_name'];
428         }
430         while(list($x, $columns) = @each($index))
431         {
432                 $schema_create .= ", $crlf";
434                 if($x == 'PRIMARY')
435                 {
436                         $schema_create .= '     PRIMARY KEY (' . implode($columns, ', ') . ')';
437                 }
438                 elseif (substr($x,0,6) == 'UNIQUE')
439                 {
440                         $schema_create .= '     UNIQUE ' . substr($x,7) . ' (' . implode($columns, ', ') . ')';
441                 }
442                 else
443                 {
444                         $schema_create .= "     KEY $x (" . implode($columns, ', ') . ')';
445                 }
446         }
448         $schema_create .= "$crlf);";
450         if(get_magic_quotes_runtime())
451         {
452                 return(stripslashes($schema_create));
453         }
454         else
455         {
456                 return($schema_create);
457         }
459 } // End get_table_def_mysql
462 //
463 // This fuction will return a tables create definition to be used as an sql
464 // statement.
465 //
466 //
467 // The following functions Get the data from the tables and format it as a
468 // series of INSERT statements, for each different DBMS...
469 // After every row a custom callback function $handler gets called.
470 // $handler must accept one parameter ($sql_insert);
471 //
472 //
473 // Here is the function for postgres...
474 //
475 function get_table_content_postgresql($table, $handler)
477         global $db;
479         //
480         // Grab all of the data from current table.
481         //
483         $result = $db->sql_query("SELECT * FROM $table");
485         if (!$result)
486         {
487                 message_die(GENERAL_ERROR, "Failed in get_table_content (select *)", "", __LINE__, __FILE__, "SELECT * FROM $table");
488         }
490         $i_num_fields = $db->sql_numfields($result);
492         for ($i = 0; $i < $i_num_fields; $i++)
493         {
494                 $aryType[] = $db->sql_fieldtype($i, $result);
495                 $aryName[] = $db->sql_fieldname($i, $result);
496         }
498         $iRec = 0;
500         while($row = $db->sql_fetchrow($result))
501         {
502                 unset($schema_vals);
503                 unset($schema_fields);
504                 unset($schema_insert);
505                 //
506                 // Build the SQL statement to recreate the data.
507                 //
508                 for($i = 0; $i < $i_num_fields; $i++)
509                 {
510                         $strVal = $row[$aryName[$i]];
511                         if (eregi("char|text|bool", $aryType[$i]))
512                         {
513                                 $strQuote = "'";
514                                 $strEmpty = "";
515                                 $strVal = addslashes($strVal);
516                         }
517                         elseif (eregi("date|timestamp", $aryType[$i]))
518                         {
519                                 if ($empty($strVal))
520                                 {
521                                         $strQuote = "";
522                                 }
523                                 else
524                                 {
525                                         $strQuote = "'";
526                                 }
527                         }
528                         else
529                         {
530                                 $strQuote = "";
531                                 $strEmpty = "NULL";
532                         }
534                         if (empty($strVal) && $strVal != "0")
535                         {
536                                 $strVal = $strEmpty;
537                         }
539                         $schema_vals .= " $strQuote$strVal$strQuote,";
540                         $schema_fields .= " $aryName[$i],";
542                 }
544                 $schema_vals = ereg_replace(",$", "", $schema_vals);
545                 $schema_vals = ereg_replace("^ ", "", $schema_vals);
546                 $schema_fields = ereg_replace(",$", "", $schema_fields);
547                 $schema_fields = ereg_replace("^ ", "", $schema_fields);
549                 //
550                 // Take the ordered fields and their associated data and build it
551                 // into a valid sql statement to recreate that field in the data.
552                 //
553                 $schema_insert = "INSERT INTO $table ($schema_fields) VALUES($schema_vals);";
555                 $handler(trim($schema_insert));
556         }
558         return(true);
560 }// end function get_table_content_postgres...
562 //
563 // This function is for getting the data from a mysql table.
564 //
566 function get_table_content_mysql($table, $handler)
568         global $db;
570         // Grab the data from the table.
571         if (!($result = $db->sql_query("SELECT * FROM $table")))
572         {
573                 message_die(GENERAL_ERROR, "Failed in get_table_content (select *)", "", __LINE__, __FILE__, "SELECT * FROM $table");
574         }
576         // Loop through the resulting rows and build the sql statement.
577         if ($row = $db->sql_fetchrow($result))
578         {
579                 $handler("\n#\n# Table Data for $table\n#\n");
580                 $field_names = array();
582                 // Grab the list of field names.
583                 $num_fields = $db->sql_numfields($result);
584                 $table_list = '(';
585                 for ($j = 0; $j < $num_fields; $j++)
586                 {
587                         $field_names[$j] = $db->sql_fieldname($j, $result);
588                         $table_list .= (($j > 0) ? ', ' : '') . $field_names[$j];
589                         
590                 }
591                 $table_list .= ')';
593                 do
594                 {
595                         // Start building the SQL statement.
596                         $schema_insert = "INSERT INTO $table $table_list VALUES(";
598                         // Loop through the rows and fill in data for each column
599                         for ($j = 0; $j < $num_fields; $j++)
600                         {
601                                 $schema_insert .= ($j > 0) ? ', ' : '';
603                                 if(!isset($row[$field_names[$j]]))
604                                 {
605                                         //
606                                         // If there is no data for the column set it to null.
607                                         // There was a problem here with an extra space causing the
608                                         // sql file not to reimport if the last column was null in
609                                         // any table.  Should be fixed now :) JLH
610                                         //
611                                         $schema_insert .= 'NULL';
612                                 }
613                                 elseif ($row[$field_names[$j]] != '')
614                                 {
615                                         $schema_insert .= '\'' . addslashes($row[$field_names[$j]]) . '\'';
616                                 }
617                                 else
618                                 {
619                                         $schema_insert .= '\'\'';
620                                 }
621                         }
623                         $schema_insert .= ');';
625                         // Go ahead and send the insert statement to the handler function.
626                         $handler(trim($schema_insert));
628                 }
629                 while ($row = $db->sql_fetchrow($result));
630         }
632         return(true);
635 function output_table_content($content)
637         global $tempfile;
639         //fwrite($tempfile, $content . "\n");
640         //$backup_sql .= $content . "\n";
641         echo $content ."\n";
642         return;
644 //
645 // End Functions
646 // -------------
649 //
650 // Begin program proper
651 //
652 if( isset($HTTP_GET_VARS['perform']) || isset($HTTP_POST_VARS['perform']) )
654         $perform = (isset($HTTP_POST_VARS['perform'])) ? $HTTP_POST_VARS['perform'] : $HTTP_GET_VARS['perform'];
656         switch($perform)
657         {
658                 case 'backup':
660                         $error = false;
661                         switch(SQL_LAYER)
662                         {
663                                 case 'oracle':
664                                         $error = true;
665                                         break;
666                                 case 'db2':
667                                         $error = true;
668                                         break;
669                                 case 'msaccess':
670                                         $error = true;
671                                         break;
672                                 case 'mssql':
673                                 case 'mssql-odbc':
674                                         $error = true;
675                                         break;
676                         }
678                         if ($error)
679                         {
680                                 include('./page_header_admin.'.$phpEx);
682                                 $template->set_filenames(array(
683                                         "body" => "admin/admin_message_body.tpl")
684                                 );
686                                 $template->assign_vars(array(
687                                         "MESSAGE_TITLE" => $lang['Information'],
688                                         "MESSAGE_TEXT" => $lang['Backups_not_supported'])
689                                 );
691                                 $template->pparse("body");
693                                 include('./page_footer_admin.'.$phpEx);
694                         }
696                         $tables = array('auth_access', 'banlist', 'categories', 'config', 'disallow', 'forums', 'forum_prune', 'groups', 'posts', 'posts_text', 'privmsgs', 'privmsgs_text', 'ranks', 'search_results', 'search_wordlist', 'search_wordmatch', 'sessions', 'smilies', 'themes', 'themes_name', 'topics', 'topics_watch', 'user_group', 'users', 'vote_desc', 'vote_results', 'vote_voters', 'words');
698                         $additional_tables = (isset($HTTP_POST_VARS['additional_tables'])) ? $HTTP_POST_VARS['additional_tables'] : ( (isset($HTTP_GET_VARS['additional_tables'])) ? $HTTP_GET_VARS['additional_tables'] : "" );
700                         $backup_type = (isset($HTTP_POST_VARS['backup_type'])) ? $HTTP_POST_VARS['backup_type'] : ( (isset($HTTP_GET_VARS['backup_type'])) ? $HTTP_GET_VARS['backup_type'] : "" );
702                         $gzipcompress = (!empty($HTTP_POST_VARS['gzipcompress'])) ? $HTTP_POST_VARS['gzipcompress'] : ( (!empty($HTTP_GET_VARS['gzipcompress'])) ? $HTTP_GET_VARS['gzipcompress'] : 0 );
704                         $drop = (!empty($HTTP_POST_VARS['drop'])) ? intval($HTTP_POST_VARS['drop']) : ( (!empty($HTTP_GET_VARS['drop'])) ? intval($HTTP_GET_VARS['drop']) : 0 );
706                         if(!empty($additional_tables))
707                         {
708                                 if(ereg(",", $additional_tables))
709                                 {
710                                         $additional_tables = split(",", $additional_tables);
712                                         for($i = 0; $i < count($additional_tables); $i++)
713                                         {
714                                                 $tables[] = trim($additional_tables[$i]);
715                                         }
717                                 }
718                                 else
719                                 {
720                                         $tables[] = trim($additional_tables);
721                                 }
722                         }
724                         if( !isset($HTTP_POST_VARS['backupstart']) && !isset($HTTP_GET_VARS['backupstart']))
725                         {
726                                 include('./page_header_admin.'.$phpEx);
728                                 $template->set_filenames(array(
729                                         "body" => "admin/db_utils_backup_body.tpl")
730                                 );      
731                                 $s_hidden_fields = "<input type=\"hidden\" name=\"perform\" value=\"backup\" /><input type=\"hidden\" name=\"drop\" value=\"1\" /><input type=\"hidden\" name=\"perform\" value=\"$perform\" />";
733                                 $template->assign_vars(array(
734                                         "L_DATABASE_BACKUP" => $lang['Database_Utilities'] . " : " . $lang['Backup'],
735                                         "L_BACKUP_EXPLAIN" => $lang['Backup_explain'],
736                                         "L_FULL_BACKUP" => $lang['Full_backup'],
737                                         "L_STRUCTURE_BACKUP" => $lang['Structure_backup'],
738                                         "L_DATA_BACKUP" => $lang['Data_backup'],
739                                         "L_ADDITIONAL_TABLES" => $lang['Additional_tables'],
740                                         "L_START_BACKUP" => $lang['Start_backup'],
741                                         "L_BACKUP_OPTIONS" => $lang['Backup_options'],
742                                         "L_GZIP_COMPRESS" => $lang['Gzip_compress'],
743                                         "L_NO" => $lang['No'],
744                                         "L_YES" => $lang['Yes'],
746                                         "S_HIDDEN_FIELDS" => $s_hidden_fields,
747                                         "S_DBUTILS_ACTION" => append_sid("admin_db_utilities.$phpEx"))
748                                 );
749                                 $template->pparse("body");
751                                 break;
753                         }
754                         else if( !isset($HTTP_POST_VARS['startdownload']) && !isset($HTTP_GET_VARS['startdownload']) )
755                         {
756                                 if(is_array($additional_tables))
757                                 {
758                                         $additional_tables = implode(',', $additional_tables);
759                                 }
760                                 $template->set_filenames(array(
761                                         "body" => "admin/admin_message_body.tpl")
762                                 );
764                                 $template->assign_vars(array(
765                                         "META" => '<meta http-equiv="refresh" content="2;url=' . append_sid("admin_db_utilities.$phpEx?perform=backup&additional_tables=" . quotemeta($additional_tables) . "&backup_type=$backup_type&drop=1&amp;backupstart=1&gzipcompress=$gzipcompress&startdownload=1") . '">',
767                                         "MESSAGE_TITLE" => $lang['Database_Utilities'] . " : " . $lang['Backup'],
768                                         "MESSAGE_TEXT" => $lang['Backup_download'])
769                                 );
771                                 include('./page_header_admin.'.$phpEx);
773                                 $template->pparse("body");
775                                 include('./page_footer_admin.'.$phpEx);
777                         }
778                         header("Pragma: no-cache");
779                         $do_gzip_compress = FALSE;
780                         if( $gzipcompress )
781                         {
782                                 $phpver = phpversion();
784                                 if($phpver >= "4.0")
785                                 {
786                                         if(extension_loaded("zlib"))
787                                         {
788                                                 $do_gzip_compress = TRUE;
789                                         }
790                                 }
791                         }
792                         if($do_gzip_compress)
793                         {
794                                 @ob_start();
795                                 @ob_implicit_flush(0);
796                                 header("Content-Type: application/x-gzip; name=\"phpbb_db_backup.sql.gz\"");
797                                 header("Content-disposition: attachment; filename=phpbb_db_backup.sql.gz");
798                         }
799                         else
800                         {
801                                 header("Content-Type: text/x-delimtext; name=\"phpbb_db_backup.sql\"");
802                                 header("Content-disposition: attachment; filename=phpbb_db_backup.sql");
803                         }
805                         //
806                         // Build the sql script file...
807                         //
808                         echo "#\n";
809                         echo "# phpBB Backup Script\n";
810                         echo "# Dump of tables for $dbname\n";
811                         echo "#\n# DATE : " .  gmdate("d-m-Y H:i:s", time()) . " GMT\n";
812                         echo "#\n";
814                         if(SQL_LAYER == 'postgresql')
815                         {
816                                  echo "\n" . pg_get_sequences("\n", $backup_type);
817                         }
818                         for($i = 0; $i < count($tables); $i++)
819                         {
820                                 $table_name = $tables[$i];
822                                 switch (SQL_LAYER)
823                                 {
824                                         case 'postgresql':
825                                                 $table_def_function = "get_table_def_postgresql";
826                                                 $table_content_function = "get_table_content_postgresql";
827                                                 break;
829                                         case 'mysql':
830                                         case 'mysql4':
831                                                 $table_def_function = "get_table_def_mysql";
832                                                 $table_content_function = "get_table_content_mysql";
833                                                 break;
834                                 }
836                                 if($backup_type != 'data')
837                                 {
838                                         echo "#\n# TABLE: " . $table_prefix . $table_name . "\n#\n";
839                                         echo $table_def_function($table_prefix . $table_name, "\n") . "\n";
840                                 }
842                                 if($backup_type != 'structure')
843                                 {
844                                         $table_content_function($table_prefix . $table_name, "output_table_content");
845                                 }
846                         }
847                         
848                         if($do_gzip_compress)
849                         {
850                                 $Size = ob_get_length();
851                                 $Crc = crc32(ob_get_contents());
852                                 $contents = gzcompress(ob_get_contents());
853                                 ob_end_clean();
854                                 echo "\x1f\x8b\x08\x00\x00\x00\x00\x00".substr($contents, 0, strlen($contents) - 4).gzip_PrintFourChars($Crc).gzip_PrintFourChars($Size);
855                         }
856                         exit;
858                         break;
860                 case 'restore':
861                         if(!isset($HTTP_POST_VARS['restore_start']))
862                         {
863                                 //
864                                 // Define Template files...
865                                 //
866                                 include('./page_header_admin.'.$phpEx);
868                                 $template->set_filenames(array(
869                                         "body" => "admin/db_utils_restore_body.tpl")
870                                 );
872                                 $s_hidden_fields = "<input type=\"hidden\" name=\"perform\" value=\"restore\" /><input type=\"hidden\" name=\"perform\" value=\"$perform\" />";
874                                 $template->assign_vars(array(
875                                         "L_DATABASE_RESTORE" => $lang['Database_Utilities'] . " : " . $lang['Restore'],
876                                         "L_RESTORE_EXPLAIN" => $lang['Restore_explain'],
877                                         "L_SELECT_FILE" => $lang['Select_file'],
878                                         "L_START_RESTORE" => $lang['Start_Restore'],
880                                         "S_DBUTILS_ACTION" => append_sid("admin_db_utilities.$phpEx"),
881                                         "S_HIDDEN_FIELDS" => $s_hidden_fields)
882                                 );
883                                 $template->pparse("body");
885                                 break;
887                         }
888                         else
889                         {
890                                 //
891                                 // Handle the file upload ....
892                                 // If no file was uploaded report an error...
893                                 //
894                                 $backup_file_name = (!empty($HTTP_POST_FILES['backup_file']['name'])) ? $HTTP_POST_FILES['backup_file']['name'] : "";
895                                 $backup_file_tmpname = ($HTTP_POST_FILES['backup_file']['tmp_name'] != "none") ? $HTTP_POST_FILES['backup_file']['tmp_name'] : "";
896                                 $backup_file_type = (!empty($HTTP_POST_FILES['backup_file']['type'])) ? $HTTP_POST_FILES['backup_file']['type'] : "";
898                                 if($backup_file_tmpname == "" || $backup_file_name == "")
899                                 {
900                                         message_die(GENERAL_MESSAGE, $lang['Restore_Error_no_file']);
901                                 }
902                                 //
903                                 // If I file was actually uploaded, check to make sure that we
904                                 // are actually passed the name of an uploaded file, and not
905                                 // a hackers attempt at getting us to process a local system
906                                 // file.
907                                 //
908                                 if( file_exists(phpbb_realpath($backup_file_tmpname)) )
909                                 {
910                                         if( preg_match("/^(text\/[a-zA-Z]+)|(application\/(x\-)?gzip(\-compressed)?)|(application\/octet-stream)$/is", $backup_file_type) )
911                                         {
912                                                 if( preg_match("/\.gz$/is",$backup_file_name) )
913                                                 {
914                                                         $do_gzip_compress = FALSE;
915                                                         $phpver = phpversion();
916                                                         if($phpver >= "4.0")
917                                                         {
918                                                                 if(extension_loaded("zlib"))
919                                                                 {
920                                                                         $do_gzip_compress = TRUE;
921                                                                 }
922                                                         }
924                                                         if($do_gzip_compress)
925                                                         {
926                                                                 $gz_ptr = gzopen($backup_file_tmpname, 'rb');
927                                                                 $sql_query = "";
928                                                                 while( !gzeof($gz_ptr) )
929                                                                 {
930                                                                         $sql_query .= gzgets($gz_ptr, 100000);
931                                                                 }
932                                                         }
933                                                         else
934                                                         {
935                                                                 message_die(GENERAL_ERROR, $lang['Restore_Error_decompress']);
936                                                         }
937                                                 }
938                                                 else
939                                                 {
940                                                         $sql_query = fread(fopen($backup_file_tmpname, 'r'), filesize($backup_file_tmpname));
941                                                 }
942                                                 //
943                                                 // Comment this line out to see if this fixes the stuff...
944                                                 //
945                                                 //$sql_query = stripslashes($sql_query);
946                                         }
947                                         else
948                                         {
949                                                 message_die(GENERAL_ERROR, $lang['Restore_Error_filename'] ." $backup_file_type $backup_file_name");
950                                         }
951                                 }
952                                 else
953                                 {
954                                         message_die(GENERAL_ERROR, $lang['Restore_Error_uploading']);
955                                 }
957                                 if($sql_query != "")
958                                 {
959                                         // Strip out sql comments...
960                                         $sql_query = remove_remarks($sql_query);
961                                         $pieces = split_sql_file($sql_query, ";");
963                                         $sql_count = count($pieces);
964                                         for($i = 0; $i < $sql_count; $i++)
965                                         {
966                                                 $sql = trim($pieces[$i]);
968                                                 if(!empty($sql) and $sql[0] != "#")
969                                                 {
970                                                         if(VERBOSE == 1)
971                                                         {
972                                                                 echo "Executing: $sql\n<br>";
973                                                                 flush();
974                                                         }
976                                                         $result = $db->sql_query($sql);
978                                                         if(!$result && ( !(SQL_LAYER == 'postgresql' && eregi("drop table", $sql) ) ) )
979                                                         {
980                                                                 message_die(GENERAL_ERROR, "Error importing backup file", "", __LINE__, __FILE__, $sql);
981                                                         }
982                                                 }
983                                         }
984                                 }
986                                 include('./page_header_admin.'.$phpEx);
988                                 $template->set_filenames(array(
989                                         "body" => "admin/admin_message_body.tpl")
990                                 );
992                                 $message = $lang['Restore_success'];
994                                 $template->assign_vars(array(
995                                         "MESSAGE_TITLE" => $lang['Database_Utilities'] . " : " . $lang['Restore'],
996                                         "MESSAGE_TEXT" => $message)
997                                 );
999                                 $template->pparse("body");
1000                                 break;
1001                         }
1002                         break;
1003         }
1006 include('./page_footer_admin.'.$phpEx);
1008 ?>