Function check_grant_routine

phx_percona/percona/sql/sql_acl.cc:6384–6431

****************************************************************************/

bool check_grant_routine(THD *thd, ulong want_access,
			 TABLE_LIST *procs, bool is_proc, bool no_errors)
{
  TABLE_LIST *table;
  Security_context *sctx= thd->security_ctx;
  char *user= sctx->priv_user;
  char *host= sctx->priv_host;
  DBUG_ENTER("check_grant_routine");

  want_access&= ~sctx->master_access;
  if (!want_access)
    DBUG_RETURN(0);                             // ok

  mysql_rwlock_rdlock(&LOCK_grant);
  for (table= procs; table; table= table->next_global)
  {
    GRANT_NAME *grant_proc;
    if ((grant_proc= routine_hash_search(host, sctx->get_ip()->ptr(), table->db,
                                         user, table->table_name, is_proc, 0)))
      table->grant.privilege|= grant_proc->privs;

    if (want_access & ~table->grant.privilege)
    {
      want_access &= ~table->grant.privilege;
      goto err;
    }
  }
  mysql_rwlock_unlock(&LOCK_grant);
  DBUG_RETURN(0);
err:
  mysql_rwlock_unlock(&LOCK_grant);
  if (!no_errors)
  {
    char buff[1024];
    const char *command="";
    if (table)
      strxmov(buff, table->db, ".", table->table_name, NullS);
    if (want_access & EXECUTE_ACL)
      command= "execute";
    else if (want_access & ALTER_PROC_ACL)
      command= "alter routine";
    else if (want_access & GRANT_ACL)
      command= "grant";
    my_error(ER_PROCACCESS_DENIED_ERROR, MYF(0),
             command, user, host, table ? buff : "unknown");
  }
  DBUG_RETURN(1);
}


/*