Symlink vulnerability fixed.

Submitted by:	simon
Obtained from:	MySQL BitKeeper Repository

1 files changed, 90 insertions, 0 deletions

diff --git a/databases/mysql50-server/files/patch-scripts::mysqlaccess.sh b/databases/mysql50-server/files/patch-scripts::mysqlaccess.sh
new file mode 100644
index 000000000000..f1382fbad153
--- /dev/null
+++ b/databases/mysql50-server/files/patch-scripts::mysqlaccess.sh
@@ -0,0 +1,90 @@
+--- scripts/mysqlaccess.sh.orig	2005-01-16 14:28:38 -08:00
++++ scripts/mysqlaccess.sh	2005-01-16 14:28:38 -08:00
+@@ -2,7 +2,7 @@
+ # ****************************
+ package MySQLaccess;
+ #use strict;
+-use POSIX qw(tmpnam);
++use File::Temp qw(tempfile tmpnam);
+ use Fcntl;
+ 
+ BEGIN {
+@@ -32,7 +32,6 @@
+ 	$ACCESS_U_BCK = 'user_backup';   
+ 	$ACCESS_D_BCK = 'db_backup';     
+         $DIFF      = '/usr/bin/diff'; 
+-        $TMP_PATH  = '/tmp';             #path to writable tmp-directory
+         $MYSQLDUMP = '@bindir@/mysqldump';
+                                          #path to mysqldump executable
+ 
+@@ -432,7 +431,7 @@
+ # no caching on STDOUT
+ 	$|=1;
+ 
+-	$MYSQL_CNF = POSIX::tmpnam();
++	$MYSQL_CNF = tmpnam();
+ 	%MYSQL_CNF = (client    => { },
+                       mysql     => { },
+                       mysqldump => { },
+@@ -577,8 +576,6 @@
+ push(@MySQLaccess::Grant::Error,'not_found_mysql')     if !(-x $MYSQL);
+ push(@MySQLaccess::Grant::Error,'not_found_diff')      if !(-x $DIFF);
+ push(@MySQLaccess::Grant::Error,'not_found_mysqldump') if !(-x $MYSQLDUMP);
+-push(@MySQLaccess::Grant::Error,'not_found_tmp')       if !(-d $TMP_PATH);
+-push(@MySQLaccess::Grant::Error,'write_err_tmp')       if !(-w $TMP_PATH);
+ if (@MySQLaccess::Grant::Error) {
+    MySQLaccess::Report::Print_Error_Messages() ;
+    exit 0;
+@@ -1777,17 +1774,15 @@
+    @before = sort(@before);
+    @after  = sort(@after);
+ 
+-   $before = "$MySQLaccess::TMP_PATH/$MySQLaccess::script.before.$$";
+-   $after  = "$MySQLaccess::TMP_PATH/$MySQLaccess::script.after.$$";
+-   #$after = "/tmp/t0";
+-   open(BEFORE,"> $before") ||
+-    push(@MySQLaccess::Report::Errors,"Can't open temporary file $before for writing");
+-   open(AFTER,"> $after") ||
+-    push(@MySQLaccess::Report::Errors,"Can't open temporary file $after for writing");
+-   print BEFORE join("\n",@before);
+-   print AFTER  join("\n",@after);
+-   close(BEFORE);
+-   close(AFTER);
++   ($hb, $before) = tempfile("$MySQLaccess::script.XXXXXX") or
++    push(@MySQLaccess::Report::Errors,"Can't create temporary file: $!");
++   ($ha, $after)  = tempfile("$MySQLaccess::script.XXXXXX") or
++    push(@MySQLaccess::Report::Errors,"Can't create temporary file: $!");
++
++   print $hb join("\n",@before);
++   print $ha join("\n",@after);
++   close $hb;
++   close $ha;
+ 
+    # ----------------------------------
+    # compute difference
+@@ -1800,8 +1795,8 @@
+ 
+    # ----------------------------------
+    # cleanup temp. files
+-   unlink(BEFORE);
+-   unlink(AFTER);
++   unlink($before);
++   unlink($after);
+ 
+    return \@diffs;
+ }
+@@ -2316,14 +2311,6 @@
+    => "The diff program <$MySQLaccess::DIFF> could not be found.\n"
+      ."+ Check your path, or\n"
+      ."+ edit the source of this script to point \$DIFF to the diff program.\n"
+- ,'not_found_tmp'
+-   => "The temporary directory <$MySQLaccess::TMP_PATH> could not be found.\n"
+-     ."+ create this directory (writeable!), or\n"
+-     ."+ edit the source of this script to point \$TMP_PATH to the right directory.\n"
+- ,'write_err_tmp'
+-   => "The temporary directory <$MySQLaccess::TMP_PATH> is not writable.\n"
+-     ."+ make this directory writeable!, or\n"
+-     ."+ edit the source of this script to point \$TMP_PATH to another directory.\n"
+  ,'Unrecognized_option'
+    => "Sorry,\n"
+      ."You are using an old version of the mysql-program,\n"