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Bug#37428 Potential security issue with UDFs - linux shellcode execution.

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plugin_dir option backported from 5.1

mysql-test/r/udf.result:
  result fix
sql/mysql_priv.h:
  opt_plugin_dir and opt_plugin_dir_ptr declared.
sql/mysqld.cc:
  'plugin_dir' option added
sql/set_var.cc:
  'plugin_dir' option added.
sql/sql_udf.cc:
  opt_plugin_dir added to the udf->dl path. Warn if it's not specified.
sql/unireg.h:
  PLUGINDIR defined.
This commit is contained in:
Sergey Glukhov 2008-08-25 17:11:59 +05:00
commit c546559a62
6 changed files with 47 additions and 3 deletions
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6
mysql-test/r/udf.result
View file

@ -1,5 +1,7 @@
drop table if exists t1;
CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
Warnings:
Warning 1105 plugin_dir was not specified
CREATE FUNCTION myfunc_double RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
CREATE FUNCTION myfunc_nonexist RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
ERROR HY000: Can't find function 'myfunc_nonexist' in library
@ -197,6 +199,8 @@ DROP FUNCTION avgcost;
select * from mysql.func;
name ret dl type
CREATE FUNCTION is_const RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
Warnings:
Warning 1105 plugin_dir was not specified
select IS_const(3);
IS_const(3)
const
@ -206,6 +210,8 @@ name ret dl type
select is_const(3);
ERROR 42000: FUNCTION test.is_const does not exist
CREATE FUNCTION is_const RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
Warnings:
Warning 1105 plugin_dir was not specified
select
is_const(3) as const,
is_const(3.14) as const,