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This commit is contained in:
Tatiana A. Nurnberg 2010-11-24 10:02:46 +00:00
commit 9ab7421b10
4 changed files with 56 additions and 7 deletions
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11
mysql-test/r/connect.result
View file

@ -215,6 +215,17 @@ SET GLOBAL event_scheduler = OFF;
# -- End of Bug#35074.
#
# -- Bug#49752: 2469.126.2 unintentionally breaks authentication
# against MySQL 5.1 server
#
GRANT ALL ON test.* TO 'Azundris12345678'@'localhost' IDENTIFIED BY 'test123';
FLUSH PRIVILEGES;
DROP USER 'Azundris12345678'@'localhost';
FLUSH PRIVILEGES;
#
# -- End of Bug#49752
#
# ------------------------------------------------------------------
# -- End of 5.1 tests
# ------------------------------------------------------------------

28
mysql-test/t/connect.test
View file

@ -293,6 +293,34 @@ SET GLOBAL event_scheduler = OFF;
--echo # -- End of Bug#35074.
--echo
###########################################################################
--echo #
--echo # -- Bug#49752: 2469.126.2 unintentionally breaks authentication
--echo # against MySQL 5.1 server
--echo #
GRANT ALL ON test.* TO 'Azundris12345678'@'localhost' IDENTIFIED BY 'test123';
FLUSH PRIVILEGES;
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
connect (con1,localhost,Azundris123456789,test123,test);
disconnect con1;
connection default;
DROP USER 'Azundris12345678'@'localhost';
FLUSH PRIVILEGES;
--echo #
--echo # -- End of Bug#49752
--echo #
--echo # ------------------------------------------------------------------
--echo # -- End of 5.1 tests
--echo # ------------------------------------------------------------------

13
sql/sql_connect.cc
View file

@ -899,6 +899,19 @@ static int check_connection(THD *thd)
user_len-= 2;
}
/*
Clip username to allowed length in characters (not bytes). This is
mostly for backward compatibility.
*/
{
CHARSET_INFO *cs= system_charset_info;
int err;
user_len= (uint) cs->cset->well_formed_len(cs, user, user + user_len,
USERNAME_CHAR_LENGTH, &err);
user[user_len]= '\0';
}
if (thd->main_security_ctx.user)
x_free(thd->main_security_ctx.user);
if (!(thd->main_security_ctx.user= my_strdup(user, MYF(MY_WME))))

11
strings/CHARSET_INFO.txt
View file

@ -208,14 +208,11 @@ charpos() - calculates the offset of the given position in the string.
Used in SQL functions LEFT(), RIGHT(), SUBSTRING(),
INSERT()
well_formed_length()
- finds the length of correctly formed multi-byte beginning.
Used in INSERTs to cut a beginning of the given string
which is
a) "well formed" according to the given character set.
well_formed_len()
- returns length of a given multi-byte string in bytes
Used in INSERTs to shorten the given string so it
a) is "well formed" according to the given character set
b) can fit into the given data type
Terminates the string in the good position, taking in account
multi-byte character boundaries.
lengthsp() - returns the length of the given string without trailing spaces.