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empty password is a valid password, don't crash

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This commit is contained in:
Sergei Golubchik
2018-06-18 21:28:27 +02:00
parent 5f0510225a
commit af2dd582e6
3 changed files with 8 additions and 1 deletions
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4
mysql-test/r/set_password.result
View File

@ -174,4 +174,8 @@ connection default;
select user,host,password,plugin,authentication_string from mysql.user where user='foo';
user host password plugin authentication_string
foo localhost mysql_native_password *E8D46CE25265E545D225A8A6F1BAF642FEBEE5CB
set password for 'foo'@'localhost' = '';
select user,host,password,plugin,authentication_string from mysql.user where user='foo';
user host password plugin authentication_string
foo localhost mysql_native_password
drop user foo@localhost;

2
mysql-test/t/set_password.test
View File

@ -142,4 +142,6 @@ show grants;
--disconnect foo
--connection default
select user,host,password,plugin,authentication_string from mysql.user where user='foo';
set password for 'foo'@'localhost' = '';
select user,host,password,plugin,authentication_string from mysql.user where user='foo';
drop user foo@localhost;

3
sql/sql_acl.cc
View File

@ -3864,7 +3864,8 @@ void set_authentication_plugin_from_password(const User_table& user_table,
const char* password,
uint password_length)
{
if (password_length == SCRAMBLED_PASSWORD_CHAR_LENGTH)
if (password_length == SCRAMBLED_PASSWORD_CHAR_LENGTH ||
password_length == 0)
{
user_table.plugin()->store(native_password_plugin_name.str,
native_password_plugin_name.length,