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/*
* Copyright (c) 2021 One Identity
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
%code top {
#include "rate-limit-parser.h"
}
%code {
#include "rate-limit.h"
#include "cfg-grammar-internal.h"
#include "cfg-parser.h"
#include "syslog-names.h"
#include "messages.h"
#include "plugin.h"
#include <string.h>
}
%define api.prefix {rate_limit_filter_}
/* this parameter is needed in order to instruct bison to use a complete
* argument list for yylex/yyerror */
%lex-param {CfgLexer *lexer}
%parse-param {CfgLexer *lexer}
%parse-param {FilterExprNode **instance}
%parse-param {gpointer arg}
/* INCLUDE_DECLS */
%token KW_RATE_LIMIT
%token KW_RATE
%token KW_KEY
%type <ptr> rate_limit
%%
start
: LL_CONTEXT_FILTER rate_limit { YYACCEPT; }
;
rate_limit
: KW_RATE_LIMIT <ptr>{ $$ = last_filter_expr = *instance = rate_limit_new(); } '(' rate_limit_args ')' { $$ = $2; }
| KW_THROTTLE <ptr>{ $$ = last_filter_expr = *instance = rate_limit_new(); } '(' rate_limit_args ')' { $$ = $2; }
;
rate_limit_args
: rate_limit_arg rate_limit_args
|
;
rate_limit_arg
: KW_KEY '(' template_content ')'
{
rate_limit_set_key_template(last_filter_expr, $3);
log_template_unref($3);
}
| KW_RATE '(' positive_integer ')'
{
rate_limit_set_rate(last_filter_expr, $3);
}
;
/* INCLUDE_RULES */
%%
|
