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Fix for

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bug #27715: mysqld --character-sets-dir buffer overflow
bug ##26851: Mysql Client --pager Buffer Overflow

Using strmov() to copy an argument may cause overflow 
if the argument's length is bigger than the buffer:
use strmake instead.
Also, we have to encrease the error message buffer size to fit 
the longest message.


client/mysql.cc:
  Fix for 
  bug #27715: mysqld --character-sets-dir buffer overflow
  bug ##26851: Mysql Client --pager Buffer Overflow
    - use strmake() instead of strmov() to avoid buffer overflow.
mysql-test/r/mysql.result:
  Fix for 
  bug #27715: mysqld --character-sets-dir buffer overflow
  bug ##26851: Mysql Client --pager Buffer Overflow
  
    - test result.
mysql-test/t/mysql.test:
  Fix for 
  bug #27715: mysqld --character-sets-dir buffer overflow
  bug ##26851: Mysql Client --pager Buffer Overflow
  
    - test case.
mysys/charset.c:
  Fix for 
  bug #27715: mysqld --character-sets-dir buffer overflow
  bug ##26851: Mysql Client --pager Buffer Overflow
  
    - encrease error message buffer size to fit the (possible) longest message.
This commit is contained in:
unknown
2007-04-16 12:28:02 +05:00
parent 0ab74abc63
commit be90800c9f
4 changed files with 16 additions and 6 deletions
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4
mysql-test/r/mysql.result
View File

@ -174,4 +174,8 @@ ERROR 2005 (HY000) at line 1: Unknown MySQL server host 'cyrils_superlonghostnam
1
ERROR at line 1: DELIMITER cannot contain a backslash character
ERROR at line 1: DELIMITER cannot contain a backslash character
1
1
1
1
End of 5.0 tests

6
mysql-test/t/mysql.test
View File

@ -264,4 +264,10 @@ EOF
--exec $MYSQL --version 2>&1 > /dev/null
--enable_quary_log
#
# bug #26851: Mysql Client --pager Buffer Overflow
#
--exec $MYSQL --pager="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" 2>&1
--exec $MYSQL --character-sets-dir="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" 2>&1
--echo End of 5.0 tests