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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 requires {
#include "mqtt-parser.h"
}
%code {
#include "mqtt-destination.h"
#include "mqtt-source.h"
#include "syslog-names.h"
#include "cfg-grammar-internal.h"
#include "plugin.h"
#include "mqtt-options.h"
MQTTClientOptions *last_options;
}
%define api.prefix {mqtt_}
%lex-param {CfgLexer *lexer}
%parse-param {CfgLexer *lexer}
%parse-param {LogDriver **instance}
%parse-param {gpointer arg}
/* INCLUDE_DECLS */
%token KW_MQTT
%token KW_TOPIC
%token KW_FALLBACK_TOPIC
%token KW_KEEPALIVE
%token KW_ADDRESS
%token KW_QOS
%token KW_CLIENT_ID
%token KW_CLEANSESSION
%token KW_MESSAGE_TEMPLATE
%token KW_USERNAME
%token KW_PASSWORD
%token KW_HTTP_PROXY
%token KW_TLS
%token KW_CA_DIR
%token KW_CA_FILE
%token KW_CERT_FILE
%token KW_KEY_FILE
%token KW_CIPHER_SUITE
%token KW_TLS12_AND_OLDER
%token KW_TLS13
%token KW_USE_SYSTEM_CERT_STORE
%token KW_SSL_VERSION
%token KW_PEER_VERIFY
%%
start
: LL_CONTEXT_DESTINATION KW_MQTT
{
last_driver = *instance = mqtt_dd_new(configuration);
last_options = mqtt_dd_get_options(last_driver);
}
'(' _inner_dest_context_push mqtt_destination_options _inner_dest_context_pop ')' { YYACCEPT; }
| LL_CONTEXT_SOURCE KW_MQTT
{
last_driver = *instance = mqtt_sd_new(configuration);
last_options = mqtt_sd_get_options(last_driver);
}
'(' _inner_src_context_push mqtt_source_options _inner_src_context_pop ')' { YYACCEPT; }
;
mqtt_destination_options
: mqtt_destination_option mqtt_destination_options
|
;
mqtt_destination_option
: threaded_dest_driver_general_option
| mqtt_option
| KW_TOPIC '(' template_content ')' { mqtt_dd_set_topic_template(last_driver, $3); }
| KW_FALLBACK_TOPIC '(' string ')' { mqtt_dd_set_fallback_topic(last_driver, $3); free($3); }
| KW_TEMPLATE '(' template_name_or_content ')' { mqtt_dd_set_message_template_ref(last_driver, $3); }
| { last_template_options = mqtt_dd_get_template_options(last_driver); } template_option
;
mqtt_source_options
: mqtt_source_option mqtt_source_options
| KW_CLEANSESSION '(' yesno ')' { mqtt_client_options_set_cleansession(last_options, $3); }
|
;
mqtt_source_option
: threaded_source_driver_option
| threaded_fetcher_driver_option
| mqtt_option
| KW_TOPIC '(' string ')' { mqtt_sd_set_topic(last_driver, $3); free($3); }
;
mqtt_option
: KW_KEEPALIVE '(' positive_integer ')' { mqtt_client_options_set_keepalive(last_options, $3); }
| KW_ADDRESS '(' string ')'
{
CHECK_ERROR(mqtt_client_options_set_address(last_options, $3), @1, "Invalid address");
free($3);
}
| KW_QOS '(' nonnegative_integer ')'
{
CHECK_ERROR(0 <= $3 && $3 <= 2, @1, "Allowed QOS values: 0, 1, 2");
mqtt_client_options_set_qos(last_options, $3);
}
| KW_CLIENT_ID '(' string ')' { CHECK_ERROR(mqtt_client_options_set_client_id(last_options, $3), @3, "mqtt: client_id can't be empty"); free($3); }
| KW_USERNAME '(' string ')' { mqtt_client_options_set_username(last_options, $3); free($3); }
| KW_PASSWORD '(' string ')' { mqtt_client_options_set_password(last_options, $3); free($3); }
| KW_HTTP_PROXY '(' string ')' { mqtt_client_options_set_http_proxy(last_options, $3); free($3); }
| KW_TLS '(' mqtt_tls_options ')'
;
mqtt_tls_options
: mqtt_tls_option mqtt_tls_options
|
;
mqtt_tls_option
: KW_CA_DIR '(' string ')' { mqtt_client_options_set_ca_dir(last_options, $3); free($3); }
| KW_CA_FILE '(' path_check ')' { mqtt_client_options_set_ca_file(last_options, $3); free($3); }
| KW_CERT_FILE '(' path_check ')' { mqtt_client_options_set_cert_file(last_options, $3); free($3); }
| KW_KEY_FILE '(' path_secret ')' { mqtt_client_options_set_key_file(last_options, $3); free($3); }
| KW_CIPHER_SUITE '(' tls_cipher_suites ')'
| KW_CIPHER_SUITE '(' string ')' { mqtt_client_options_set_cipher_suite(last_options, $3); free($3); }
| KW_SSL_VERSION '(' string ')' { CHECK_ERROR(mqtt_client_options_set_ssl_version(last_options, $3), @3,
"mqtt: unsupported SSL version: %s", $3);
free($3); }
| KW_PEER_VERIFY '(' yesno ')' { mqtt_client_options_set_peer_verify(last_options, $3); }
| KW_USE_SYSTEM_CERT_STORE '(' yesno ')' { mqtt_client_options_use_system_cert_store(last_options, $3); }
;
tls_cipher_suites
: tls_cipher_suite tls_cipher_suites
|
;
tls_cipher_suite
: KW_TLS12_AND_OLDER '(' string ')'
{
mqtt_client_options_set_cipher_suite(last_options, $3);
free($3);
}
;
/* INCLUDE_RULES */
%%
|
