Fix for bug#14385 GRANT and mapping to correct user account problems

  Check if the host of table hash record exactly matches host from GRANT command

mysql-test/r/grant.result

@@ -473,3 +473,21 @@ GRANT USAGE ON *.* TO 'mysqltest_7'@'' IDENTIFIED BY PASSWORD '*2FB071A056F9BB74
 drop user mysqltest_7@;
 show grants for mysqltest_7@;
 ERROR 42000: There is no such grant defined for user 'mysqltest_7' on host ''
+create database mysqltest;
+use mysqltest;
+create table t1(f1 int);
+GRANT DELETE ON mysqltest.t1 TO mysqltest1@'%';
+GRANT SELECT ON mysqltest.t1 TO mysqltest1@'192.%';
+show grants for mysqltest1@'192.%';
+Grants for mysqltest1@192.%
+GRANT USAGE ON *.* TO 'mysqltest1'@'192.%'
+GRANT SELECT ON `mysqltest`.`t1` TO 'mysqltest1'@'192.%'
+show grants for mysqltest1@'%';
+Grants for mysqltest1@%
+GRANT USAGE ON *.* TO 'mysqltest1'@'%'
+GRANT DELETE ON `mysqltest`.`t1` TO 'mysqltest1'@'%'
+delete from mysql.user where user='mysqltest1';
+delete from mysql.db where user='mysqltest1';
+delete from mysql.tables_priv where user='mysqltest1';
+flush privileges;
+drop database mysqltest;

mysql-test/t/grant.test

@@ -433,4 +433,20 @@ drop user mysqltest_7@;
 --error 1141
 show grants for mysqltest_7@;
 
+#
+# Bug#14385: GRANT and mapping to correct user account problems
+#
+create database mysqltest;
+use mysqltest;
+create table t1(f1 int);
+GRANT DELETE ON mysqltest.t1 TO mysqltest1@'%';
+GRANT SELECT ON mysqltest.t1 TO mysqltest1@'192.%';
+show grants for mysqltest1@'192.%';
+show grants for mysqltest1@'%';
+delete from mysql.user where user='mysqltest1';
+delete from mysql.db where user='mysqltest1';
+delete from mysql.tables_priv where user='mysqltest1';
+flush privileges;
+drop database mysqltest;
+
 # End of 4.1 tests

sql/sql_acl.cc

@@ -2001,7 +2001,10 @@ static GRANT_TABLE *table_hash_search(const char *host,const char* ip,
   {
     if (exact)
     {
-      if (compare_hostname(&grant_table->host, host, ip))
+      if ((host &&
+	   !my_strcasecmp(system_charset_info, host,
+                          grant_table->host.hostname)) ||
+	  (ip && !strcmp(ip, grant_table->host.hostname)))
 	return grant_table;
     }
     else