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Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.

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test_if_data_home_dir fixed to look into real path.
            Checks added to mi_open for symlinks into data home directory.

per-file messages:
        include/my_sys.h
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          my_is_symlink interface added
        include/myisam.h
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          myisam_test_invalid_symlink interface added
        myisam/mi_check.c
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          mi_open_datafile calls modified
        myisam/mi_open.c
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          code added to mi_open to check for symlinks into data home directory.
          mi_open_datafile now accepts 'original' file path to check if it's
          an allowed symlink.
        myisam/mi_static.c
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          myisam_test_invlaid_symlink defined
        myisam/myisamchk.c
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          mi_open_datafile call modified
        myisam/myisamdef.h
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          mi_open_datafile interface modified - 'real_path' parameter added
        mysql-test/r/symlink.test
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          error codes corrected as some patch now rejected pointing inside datahome
        mysql-test/r/symlink.result
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          error messages corrected in the result
        mysys/my_symlink.c
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          my_is_symlink() implementsd
          my_realpath() now returns the 'realpath' even if a file isn't a symlink
        sql/mysql_priv.h
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          test_if_data_home_dir interface
        sql/mysqld.cc
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          myisam_test_invalid_symlik set with the 'test_if_data_home_dir'
        sql/sql_parse.cc
          Bug#32167 another privilege bypass with DATA/INDEX DIRECTORY.
          
          error messages corrected
          test_if_data_home_dir code fixed
This commit is contained in:
Alexey Botchkov
2008-08-22 17:31:53 +05:00
parent de73b72954
commit ec524d50a8
12 changed files with 112 additions and 54 deletions
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4
mysql-test/t/symlink.test
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@@ -71,7 +71,7 @@ drop table t1;
SHOW CREATE TABLE t9;
disable_query_log;
--error 1103,1103
--error 1210, 1210
create table t1 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam data directory="tmp";
# Check that we cannot link over a table from another database.
@@ -81,7 +81,7 @@ create database mysqltest;
--error 1,1
create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam index directory="/this-dir-does-not-exist";
--error 1103,1103
--error 1210, 1210
create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam index directory="not-hard-path";
# Should fail becasue the file t9.MYI already exist in 'run'