bk commit into 4.1 tree (msvensson:1.2467) BUG#15598

[msvensson]

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4.1 repository of msvensson. When msvensson does a push these changes will
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ChangeSet
  1.2467 06/01/09 10:31:07 msvensson@neptunus.(none) +3 -0
  Bug #15598 Server crashes in specific case during setting new password
   - When acl_user->host.hostname is NULL compare it as ""

  sql/sql_acl.cc
    1.171 06/01/09 10:31:01 msvensson@neptunus.(none) +3 -2
    If acl_user->host.hostname is NULL compare it as "" 

  mysql-test/t/grant.test
    1.33 06/01/09 10:31:01 msvensson@neptunus.(none) +12 -0
    Test user with host ''

  mysql-test/r/grant.result
    1.40 06/01/09 10:31:01 msvensson@neptunus.(none) +9 -0
    Test user with host ''

# 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/bug15598/my41-bug15598

--- 1.170/sql/sql_acl.cc	2005-11-14 13:33:52 +01:00
+++ 1.171/sql/sql_acl.cc	2006-01-09 10:31:01 +01:00
@@ -1371,7 +1371,8 @@
 	acl_user->user && !strcmp(user,acl_user->user))
     {
       if (exact ? !my_strcasecmp(&my_charset_latin1, host,
-                                 acl_user->host.hostname) :
+                                 acl_user->host.hostname ?
+				 acl_user->host.hostname : "") :
           compare_hostname(&acl_user->host,host,host))
       {
 	DBUG_RETURN(acl_user);
@@ -3604,7 +3605,7 @@
     if (!(user=acl_user->user))
       user= "";
     if (!(host=acl_user->host.hostname))
-      host= "%";
+      host= "";
     if (!strcmp(user_name->user.str,user) &&
 	!my_strcasecmp(system_charset_info, user_name->host.str, host))
       break;

--- 1.39/mysql-test/r/grant.result	2005-11-14 13:34:59 +01:00
+++ 1.40/mysql-test/r/grant.result	2006-01-09 10:31:01 +01:00
@@ -464,3 +464,12 @@
 Grants for root@localhost
 GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
 set names latin1;
+insert into mysql.user (host, user) values ('', 'mysqltest_7');
+flush privileges;
+set password for mysqltest_7@ = password('systpass');
+show grants for mysqltest_7@;
+Grants for mysqltest_7@
+GRANT USAGE ON *.* TO 'mysqltest_7'@'' IDENTIFIED BY PASSWORD '*2FB071A056F9BB745219D9C876814231DAF46517'
+drop user mysqltest_7@;
+show grants for mysqltest_7@;
+ERROR 42000: There is no such grant defined for user 'mysqltest_7' on host ''

--- 1.32/mysql-test/t/grant.test	2005-11-14 13:34:53 +01:00
+++ 1.33/mysql-test/t/grant.test	2006-01-09 10:31:01 +01:00
@@ -421,4 +421,16 @@
 show grants for root@localhost;
 set names latin1;
 
+#
+# Bug #15598 Server crashes in specific case during setting new password
+# - Caused by a user with host ''
+#
+insert into mysql.user (host, user) values ('', 'mysqltest_7');
+flush privileges;
+set password for mysqltest_7@ = password('systpass');
+show grants for mysqltest_7@;
+drop user mysqltest_7@;
+--error 1141
+show grants for mysqltest_7@;
+
 # End of 4.1 tests