Backport into build-201002030816-5.0.87sp1

> ------------------------------------------------------------
> revno: 2818.1.35
> revision-id: joro@sun.com-20091127095944-autr58itccge4z9l
> parent: satya.bn@sun.com-20091125095925-871384fcnwwa2yqt
> committer: Georgi Kodinov <joro@sun.com>
> branch nick: B48872-5.0-bugteam
> timestamp: Fri 2009-11-27 11:59:44 +0200
> message:
>   Bug #48872 : Privileges for stored functions ignored if function name
>     is mixed case
>   
>   Transcode the procedure name to lowercase when searching for it in the 
>   hash. This is the missing part of the fix for bug #41049.

mysql-test/r/sp-security.result

@@ -519,4 +519,65 @@ DROP USER mysqltest_u1@localhost;
 DROP PROCEDURE p_suid;
 DROP FUNCTION f_suid;
 DROP TABLE t1;
+#
+# Bug #48872 : Privileges for stored functions ignored if function name 
+#  is mixed case
+#
+CREATE DATABASE B48872;
+USE B48872;
+CREATE TABLE `TestTab` (id INT);
+INSERT INTO `TestTab` VALUES (1),(2);
+CREATE FUNCTION `f_Test`() RETURNS INT RETURN 123;
+CREATE FUNCTION `f_Test_denied`() RETURNS INT RETURN 123;
+CREATE USER 'tester';
+CREATE USER 'Tester';
+GRANT SELECT ON TABLE `TestTab` TO 'tester';
+GRANT EXECUTE ON FUNCTION `f_Test` TO 'tester';
+GRANT EXECUTE ON FUNCTION `f_Test_denied` TO 'Tester';
+SELECT f_Test();
+f_Test()
+123
+SELECT * FROM TestTab;
+id
+1
+2
+SELECT * FROM TestTab;
+id
+1
+2
+SELECT `f_Test`();
+`f_Test`()
+123
+SELECT `F_TEST`();
+`F_TEST`()
+123
+SELECT f_Test();
+f_Test()
+123
+SELECT F_TEST();
+F_TEST()
+123
+SELECT * FROM TestTab;
+ERROR 42000: SELECT command denied to user 'Tester'@'localhost' for table 'TestTab'
+SELECT `f_Test`();
+ERROR 42000: execute command denied to user 'Tester'@'%' for routine 'B48872.f_Test'
+SELECT `F_TEST`();
+ERROR 42000: execute command denied to user 'Tester'@'%' for routine 'B48872.f_Test'
+SELECT f_Test();
+ERROR 42000: execute command denied to user 'Tester'@'%' for routine 'B48872.f_Test'
+SELECT F_TEST();
+ERROR 42000: execute command denied to user 'Tester'@'%' for routine 'B48872.f_Test'
+SELECT `f_Test_denied`();
+`f_Test_denied`()
+123
+SELECT `F_TEST_DENIED`();
+`F_TEST_DENIED`()
+123
+DROP TABLE `TestTab`;
+DROP FUNCTION `f_Test`;
+DROP FUNCTION `f_Test_denied`;
+USE test;
+DROP USER 'tester';
+DROP USER 'Tester';
+DROP DATABASE B48872;
 End of 5.0 tests.

mysql-test/t/sp-security.test

@@ -889,6 +889,63 @@ DROP PROCEDURE p_suid;
 DROP FUNCTION f_suid;
 DROP TABLE t1;
 
+--echo #
+--echo # Bug #48872 : Privileges for stored functions ignored if function name 
+--echo #  is mixed case
+--echo #
+
+CREATE DATABASE B48872;
+USE B48872;
+CREATE TABLE `TestTab` (id INT);
+INSERT INTO `TestTab` VALUES (1),(2);
+CREATE FUNCTION `f_Test`() RETURNS INT RETURN 123;
+CREATE FUNCTION `f_Test_denied`() RETURNS INT RETURN 123;
+CREATE USER 'tester';
+CREATE USER 'Tester';
+GRANT SELECT ON TABLE `TestTab` TO 'tester';
+GRANT EXECUTE ON FUNCTION `f_Test` TO 'tester';
+GRANT EXECUTE ON FUNCTION `f_Test_denied` TO 'Tester';
+
+SELECT f_Test();
+SELECT * FROM TestTab;
+
+CONNECT (con_tester,localhost,tester,,B48872);
+CONNECT (con_tester_denied,localhost,Tester,,B48872);
+CONNECTION con_tester;
+
+SELECT * FROM TestTab;
+SELECT `f_Test`();
+SELECT `F_TEST`();
+SELECT f_Test();
+SELECT F_TEST();
+
+CONNECTION con_tester_denied;
+
+--error ER_TABLEACCESS_DENIED_ERROR
+SELECT * FROM TestTab;
+--error ER_PROCACCESS_DENIED_ERROR
+SELECT `f_Test`();
+--error ER_PROCACCESS_DENIED_ERROR
+SELECT `F_TEST`();
+--error ER_PROCACCESS_DENIED_ERROR
+SELECT f_Test();
+--error ER_PROCACCESS_DENIED_ERROR
+SELECT F_TEST();
+SELECT `f_Test_denied`();
+SELECT `F_TEST_DENIED`();
+
+CONNECTION default;
+DISCONNECT con_tester;
+DISCONNECT con_tester_denied;
+DROP TABLE `TestTab`;
+DROP FUNCTION `f_Test`;
+DROP FUNCTION `f_Test_denied`;
+
+USE test;
+DROP USER 'tester';
+DROP USER 'Tester';
+DROP DATABASE B48872;
+
 --echo End of 5.0 tests.
 
 # Wait till all disconnects are completed

sql/sql_acl.cc

@@ -2265,14 +2265,17 @@ static GRANT_NAME *name_hash_search(HASH *name_hash,
 				      const char *host,const char* ip,
 				      const char *db,
 				      const char *user, const char *tname,
-				      bool exact)
+				      bool exact, bool name_tolower)
 {
-  char helping [NAME_LEN*2+USERNAME_LENGTH+3];
+  char helping [NAME_LEN*2+USERNAME_LENGTH+3], *name_ptr;
   uint len;
   GRANT_NAME *grant_name,*found=0;
   HASH_SEARCH_STATE state;
 
-  len  = (uint) (strmov(strmov(strmov(helping,user)+1,db)+1,tname)-helping)+ 1;
+  name_ptr= strmov(strmov(helping, user) + 1, db) + 1;
+  len  = (uint) (strmov(name_ptr, tname) - helping) + 1;
+  if (name_tolower)
+    my_casedn_str(files_charset_info, name_ptr);
   for (grant_name= (GRANT_NAME*) hash_first(name_hash, (byte*) helping,
                                             len, &state);
        grant_name ;
@@ -2305,7 +2308,7 @@ routine_hash_search(const char *host, const char *ip, const char *db,
 {
   return (GRANT_TABLE*)
     name_hash_search(proc ? &proc_priv_hash : &func_priv_hash,
-		     host, ip, db, user, tname, exact);
+		     host, ip, db, user, tname, exact, TRUE);
 }
 
 
@@ -2314,7 +2317,7 @@ table_hash_search(const char *host, const char *ip, const char *db,
 		  const char *user, const char *tname, bool exact)
 {
   return (GRANT_TABLE*) name_hash_search(&column_priv_hash, host, ip, db,
-					 user, tname, exact);
+					 user, tname, exact, FALSE);
 }