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|
/*
* Copyright (c) 2012 Balabit
* Copyright (c) 2012 Balázs Scheidler
*
* 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 "syslog-parser-parser.h"
}
%code {
#include "syslog-parser.h"
#include "sdata-parser.h"
#include "syslog-names.h"
#include "cfg-grammar-internal.h"
}
%define api.prefix {syslog_parser_}
/* 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 {LogParser **instance}
%parse-param {gpointer arg}
/* INCLUDE_DECLS */
%token KW_SYSLOG_PARSER
%token KW_DROP_INVALID
%token KW_SDATA_PARSER
%token KW_PREFIX
%type <ptr> parser_expr_syslog
%%
start
: LL_CONTEXT_PARSER parser_expr_syslog { YYACCEPT; }
;
parser_expr_syslog
: KW_SYSLOG_PARSER '('
{
last_parser = *instance = syslog_parser_new(configuration);
last_msg_format_options = &((SyslogParser *) last_parser)->parse_options;
}
parser_syslog_opts
')' { $$ = last_parser; }
| KW_SDATA_PARSER '('
{
last_parser = *instance = sdata_parser_new(configuration);
last_msg_format_options = &((SDataParser *) last_parser)->parse_options;
}
parser_sdata_opts
')' { $$ = last_parser; }
;
parser_syslog_opts
: parser_syslog_opt parser_syslog_opts
|
;
parser_syslog_opt
: parser_opt
| KW_FLAGS '(' parser_syslog_opt_flags ')'
| KW_DROP_INVALID '(' yesno ')' { syslog_parser_set_drop_invalid(last_parser, $3); }
| msg_format_option
;
parser_syslog_opt_flags
: string parser_syslog_opt_flags { CHECK_ERROR(msg_format_options_process_flag(&((SyslogParser *) last_parser)->parse_options, $1), @1, "Unknown flag %s", $1); free($1); }
| KW_CHECK_HOSTNAME parser_syslog_opt_flags { msg_format_options_process_flag(&((SyslogParser *) last_parser)->parse_options, "check-hostname"); }
|
;
parser_sdata_opts
: parser_sdata_opt parser_sdata_opts
|
;
parser_sdata_opt
: parser_opt
| KW_PREFIX '(' string ')'
{
CHECK_ERROR(msg_format_options_set_sdata_prefix(last_msg_format_options, $3), @3, "Prefix is too long \"%s\"", $3);
free($3);
}
;
/* INCLUDE_RULES */
%%
|
