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BUG#34788 - malformed federated connection url is not handled

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correctly - crashes server !

Creating federated table with connect string containing empty
(zero-length) host name and port is evaluated as 0 (port is
incorrect, omitted or 0) crashes server.

This happens because federated calls strcmp() with NULL pointer.

Fixed by avoiding strcmp() call if hostname is set to NULL.


mysql-test/r/federated.result:
  A test case for BUG#34788.
mysql-test/t/federated.test:
  A test case for BUG#34788.
sql/ha_federated.cc:
  Fixed that parse_url() may call strcmp() with NULL pointer.
This commit is contained in:
unknown 2008-03-20 19:07:17 +04:00
commit 8030bdfc16
3 changed files with 17 additions and 1 deletions
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7
mysql-test/t/federated.test
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@ -1738,4 +1738,11 @@ DROP TABLE t1;
connection slave;
DROP TABLE t1;
#
# BUG#34788 - malformed federated connection url is not handled correctly -
# crashes server !
#
CREATE TABLE t1 (a INT) ENGINE=federated CONNECTION='mysql://@:://';
DROP TABLE t1;
source include/federated_cleanup.inc;