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improved binary fields protection

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This commit is contained in:
Loïc Chapeaux
2001-09-08 16:00:32 +00:00
parent 08c353d467
commit 20fbb53055
5 changed files with 42 additions and 14 deletions
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3
ChangeLog
View File

@@ -12,6 +12,9 @@ $Source$
* db_readdump.php3 has been renamed to read_dump.php3.
* lang/italian.inc.php3: updated thanks to
Pietro Danesi <danone at aruba.it>.
* config.lib.php3, lines 100-104; libraries/common.lib.php3, lines 55-56;
Documentation.html, lines 446-451; tbl_change.php3: improved binay fields
protection.
2001-09-07 Lo<4C>c Chapeaux <lolo@phpheaven.net>
* main.php3, line 208: fixed an invalid link id.

8
Documentation.html
View File

@@ -443,8 +443,12 @@
<dt><b>$cfgProtectBlob </b>boolean</dt>
<dd>
Defines whether <tt>BLOB</tt> fields are protected from edition when
browsing a table's content or not.
Defines whether <tt>BLOB</tt> or <tt>BINARY</tt> fields are protected
from edition when browsing a table's content or not.
Valid values are:<br />
- <tt>FALSE</tt> to allow edition of all fields;
- <tt>blob</tt> to allow edition of all fields except <tt>BLOBS</TT>;
- <tt>all</tt> to disallow edition of all <tt>BINARY</tt> or <tt>BLOB</tt> fields.
<br /><br />
</dd>

6
config.inc.php3
View File

@@ -97,7 +97,11 @@ unset($cfgServers[0]);
$cfgConfirm = TRUE; // confirm 'DROP TABLE' & 'DROP DATABASE'
$cfgPersistentConnections = FALSE; // use persistent connections to MySQL database
$cfgShowBlob = FALSE; // display blob field contents in browse mode
$cfgProtectBlob = TRUE; // disallow editing of blob fields in edit mode
$cfgProtectBinary = 'blob'; // disallow editing of binary fields in edit mode
// valid values are:
// FALSE allow editing
// 'blob' allow editing except for BLOB fields
// 'all' disallow editing
$cfgAllowUserDropDatabase = FALSE; // disallow users to delete their own database
$cfgShowSQL = TRUE; // show SQL queries as run
$cfgSkipLockedTables = FALSE; // mark used tables, make possible to show

8
libraries/common.lib.php3
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@@ -47,13 +47,13 @@ if (!defined('__LIB_COMMON__')){
* Avoids undefined variables in PHP3
*/
if (!isset($use_backquotes)) {
$use_backquotes = 0;
$use_backquotes = 0;
}
if (!isset($pos)) {
$pos = 0;
$pos = 0;
}
if (!isset($cfgProtectBlob)) {
$cfgProtectBlob = FALSE;
if (!isset($cfgProtectBinary)) {
$cfgProtectBinary = FALSE;
}

31
tbl_change.php3
View File

@@ -88,6 +88,8 @@ for ($i = 0; $i < $fields_cnt; $i++) {
echo "\n";
// The type column
$is_binary = eregi(' binary', $row_table_def['Type']);
$is_blob = eregi('blob', $row_table_def['Type']);
$row_table_def['True_Type'] = ereg_replace('\\(.*', '', $row_table_def['Type']);
switch ($row_table_def['True_Type']) {
case 'set':
@@ -129,9 +131,9 @@ for ($i = 0; $i < $fields_cnt; $i++) {
// Note: from the MySQL manual: "BINARY doesn't affect how the column is
// stored or retrieved" so it does not mean that the contents is
// binary
if (strstr($row_table_def['True_Type'], 'blob')
&& !empty($data)
&& $cfgProtectBlob == TRUE) {
if ((($cfgProtectBinary && $is_blob)
|| ($cfgProtectBinary == 'all' && $is_binary))
&& !empty($data)) {
echo ' <td align="center">' . $strBinary . '</td>' . "\n";
} else if (strstr($row_table_def['True_Type'], 'enum') || strstr($row_table_def['True_Type'], 'set')) {
echo ' <td align="center">--</td>' . "\n";
@@ -303,15 +305,16 @@ for ($i = 0; $i < $fields_cnt; $i++) {
}
// Change by Bernard M. Piller <bernard@bmpsystems.com>
// We don't want binary data destroyed
else if (strstr($row_table_def['Type'], 'blob')) {
if ($cfgProtectBlob == TRUE) {
else if ($is_binary || $is_blob) {
if (($cfgProtectBinary && $is_blob)
|| ($cfgProtectBinary == 'all' && $is_binary)) {
echo "\n";
?>
<td align="center">
<?php echo $strBinaryDoNotEdit . "\n"; ?>
</td>
<?php
} else {
} else if ($is_blob) {
echo "\n";
?>
<td>
@@ -319,7 +322,21 @@ for ($i = 0; $i < $fields_cnt; $i++) {
<textarea name="fields[<?php echo urlencode($field); ?>]" rows="<?php echo $cfgTextareaRows; ?>" cols="<?php echo $cfgTextareaCols; ?>"><?php if (!empty($special_chars)) echo $special_chars; ?></textarea>
</td>
<?php
} // end if...else
} else {
if ($len < 4) {
$fieldsize = $maxlength = 4;
} else {
$fieldsize = $len;
$maxlength = (($len > 40) ? 40 : $len);
}
echo "\n";
?>
<td>
<?php echo $backup_field . "\n"; ?>
<input type="text" name="fields[<?php echo urlencode($field); ?>]" value="<?php echo $special_chars; ?>" size="<?php echo $fieldsize; ?>" maxlength="<?php echo $maxlength; ?>" />
</td>
<?php
} // end if...elseif...else
} // end else if
else {
if ($len < 4) {