bk commit into 5.0 tree (msvensson:1.1990) BUG#15775

[msvensson]

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ChangeSet
  1.1990 05/12/23 18:18:14 msvensson@neptunus.(none) +3 -0
  BUG#15775 "drop user" command does not refresh acl_check_hosts
   - DROP USER command didn't reload the acl_check_hosts cache causing subsequent 
     connect's via TCP to fail randomly.

  sql/sql_acl.cc
    1.185 05/12/23 18:18:08 msvensson@neptunus.(none) +4 -0
    Reload acl_check_hosts as its memory is mapped to acl_user

  mysql-test/t/connect.test
    1.20 05/12/23 18:18:08 msvensson@neptunus.(none) +30 -0
    Test case for connecting via TCP after drop user.

  mysql-test/r/connect.result
    1.21 05/12/23 18:18:08 msvensson@neptunus.(none) +14 -0
    Update test results

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	msvensson
# Host:	neptunus.(none)
# Root:	/home/msvensson/mysql/bug15775_part2/my50-bug15775_part2

--- 1.184/sql/sql_acl.cc	2005-12-06 17:04:21 +01:00
+++ 1.185/sql/sql_acl.cc	2005-12-23 18:18:08 +01:00
@@ -5055,6 +5055,10 @@
       /* If search is requested, we do not need to search further. */
       if (! drop && ! user_to)
         goto end;
+      /* Reload acl_check_hosts as its memory is mapped to acl_user */
+      delete_dynamic(&acl_wild_hosts);
+      hash_free(&acl_check_hosts);
+      init_check_host();
     }
   }
 

--- 1.20/mysql-test/r/connect.result	2005-11-07 22:30:38 +01:00
+++ 1.21/mysql-test/r/connect.result	2005-12-23 18:18:08 +01:00
@@ -97,3 +97,17 @@
 set @id := 1;
 delete from t1 where id like @id;
 drop table t1;
+create user b15775_1@host1;
+create user b15775_2@host2;
+create user b15775_3@host3;
+create user b15775_4@host4;
+create user b15775_5@host5;
+create user b15775_6@host6;
+create user b15775_7@host7;
+drop user b15775_3@host3;
+drop user b15775_1@host1;
+drop user b15775_2@host2;
+drop user b15775_4@host4;
+drop user b15775_5@host5;
+drop user b15775_6@host6;
+drop user b15775_7@host7;

--- 1.19/mysql-test/t/connect.test	2005-11-07 22:30:38 +01:00
+++ 1.20/mysql-test/t/connect.test	2005-12-23 18:18:08 +01:00
@@ -98,3 +98,33 @@
 drop table t1;
 
 # End of 4.1 tests
+
+
+#
+# Bug#15775 "drop user" command does not refresh acl_check_hosts
+#
+create user b15775_1@host1;
+create user b15775_2@host2;
+create user b15775_3@host3;
+create user b15775_4@host4;
+create user b15775_5@host5;
+create user b15775_6@host6;
+create user b15775_7@host7;
+
+drop user b15775_3@host3;
+
+# This connect failed before fix since the acl_check_hosts list was corrupted by the
"drop user"
+connect (con8,127.0.0.1,root,,test,$MASTER_MYPORT,);
+disconnect con8;
+
+connection default;
+drop user b15775_1@host1;
+drop user b15775_2@host2;
+drop user b15775_4@host4;
+drop user b15775_5@host5;
+drop user b15775_6@host6;
+drop user b15775_7@host7;
+
+connect (con9,127.0.0.1,root,,test,$MASTER_MYPORT,);
+disconnect con9;
+connection default;