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/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 requires {
#include "rewrite/rewrite-expr-parser.h"
}
%code {
#include "rewrite/rewrite-expr-grammar.h"
#include "rewrite/rewrite-set-tag.h"
#include "rewrite/rewrite-set.h"
#include "rewrite/rewrite-unset.h"
#include "rewrite/rewrite-subst.h"
#include "rewrite/rewrite-groupset.h"
#include "rewrite/rewrite-set-severity.h"
#include "rewrite/rewrite-set-facility.h"
#include "filter/filter-expr.h"
#include "filter/filter-expr-parser.h"
#include "cfg-grammar.h"
#include "syslog-names.h"
#include "plugin.h"
#include <string.h>
}
%name-prefix "rewrite_expr_"
%lex-param {CfgLexer *lexer}
%parse-param {CfgLexer *lexer}
%parse-param {LogExprNode **result}
%parse-param {gpointer arg}
%type <ptr> rewrite_expr
%type <ptr> rewrite_expr_list
/* INCLUDE_DECLS */
%token KW_SET_TAG
%token KW_CLEAR_TAG
%token KW_GROUP_SET
%token KW_GROUP_UNSET
%token KW_SET
%token KW_UNSET
%token KW_SUBST
%token KW_VALUES
%token KW_SET_SEVERITY
%token KW_SET_FACILITY
%%
start
: rewrite_expr_list log_last_junction { *result = log_expr_node_append_tail($1, $2); if (yychar != YYEMPTY) { cfg_lexer_unput_token(lexer, &yylval); } YYACCEPT; }
;
rewrite_expr_list
: rewrite_expr semicolons rewrite_expr_list { $$ = log_expr_node_append_tail(log_expr_node_new_pipe($1, &@1), $3); }
| log_junction semicolons rewrite_expr_list { $$ = log_expr_node_append_tail($1, $3); }
| { $$ = NULL; }
;
rewrite_expr
: KW_SUBST '(' string template_content
{
last_rewrite = log_rewrite_subst_new($4, configuration);
log_template_unref($4);
}
rewrite_subst_opts ')'
{
GError *error = NULL;
CHECK_ERROR_GERROR(log_rewrite_subst_compile_pattern(last_rewrite, $3, &error), @3, error, "error compiling search pattern");
free($3);
$$ = last_rewrite;
}
| KW_SET '(' template_content
{
last_rewrite = log_rewrite_set_new($3, configuration);
last_template_options = log_rewrite_set_get_template_options(last_rewrite);
log_template_unref($3);
}
rewrite_set_opts ')' { $$ = last_rewrite; }
| KW_UNSET
{
last_rewrite = log_rewrite_unset_new(configuration);
}
'(' rewrite_set_opts ')' { $$ = last_rewrite; }
| KW_SET_TAG '(' string
{
last_rewrite = log_rewrite_set_tag_new($3, TRUE, configuration);
free($3);
}
rewrite_settag_opts ')' { $$ = last_rewrite; }
| KW_CLEAR_TAG '(' string
{
last_rewrite = log_rewrite_set_tag_new($3, FALSE, configuration);
free($3);
}
rewrite_settag_opts ')' { $$ = last_rewrite; }
| KW_GROUP_SET '(' template_content
{
last_rewrite = log_rewrite_groupset_new($3, configuration);
log_template_unref($3);
}
rewrite_groupset_opts ')' { $$ = last_rewrite; }
| KW_GROUP_UNSET '('
{
last_rewrite = log_rewrite_groupunset_new(configuration);
}
rewrite_groupset_opts ')' { $$ = last_rewrite; }
| KW_SET_SEVERITY '(' template_content
{
last_rewrite = log_rewrite_set_severity_new($3, configuration);
log_template_unref($3);
} rewrite_set_severity_opts ')' { $$ = last_rewrite; };
| KW_SET_FACILITY '(' template_content
{
last_rewrite = log_rewrite_set_facility_new($3, configuration);
log_template_unref($3);
} rewrite_set_facility_opts ')' { $$ = last_rewrite; };
| LL_IDENTIFIER
{
Plugin *p;
gint context = LL_CONTEXT_REWRITE;
p = cfg_find_plugin(configuration, context, $1);
CHECK_ERROR(p, @1, "%s plugin %s not found", cfg_lexer_lookup_context_name_by_type(context), $1);
last_rewrite = (LogRewrite *) cfg_parse_plugin(configuration, p, &@1, NULL);
free($1);
if (!last_rewrite)
{
YYERROR;
}
$$ = last_rewrite;
}
;
rewrite_settag_opts
: rewrite_settag_opt rewrite_settag_opts
|
;
rewrite_settag_opt
: rewrite_condition_opt
;
rewrite_groupset_opts
: rewrite_groupset_opt rewrite_groupset_opts
|
;
rewrite_groupset_opt
: KW_VALUES '(' string_list ')'
{
log_rewrite_groupset_add_fields(last_rewrite, $3);
}
| rewrite_condition_opt
;
rewrite_subst_opts
: rewrite_subst_opt rewrite_subst_opts
|
;
rewrite_subst_opt
: { last_matcher_options = log_rewrite_subst_get_matcher_options(last_rewrite); } matcher_option
| rewrite_expr_opt
;
rewrite_set_opts
: rewrite_set_opt rewrite_set_opts
|
;
rewrite_set_opt
: rewrite_expr_opt
| template_option
;
rewrite_expr_opts
: rewrite_expr_opt rewrite_expr_opts
|
;
rewrite_set_severity_opts
: rewrite_set_severity_opt rewrite_set_severity_opts
|
;
rewrite_set_severity_opt
: rewrite_condition_opt
;
rewrite_set_facility_opts
: rewrite_set_facility_opt rewrite_set_facility_opts
|
;
rewrite_set_facility_opt
: rewrite_condition_opt
;
/* INCLUDE_RULES */
%%
|
