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/*****
*
* Copyright (C) 2002, 2003, 2004, 2005 PreludeIDS Technologies. All Rights Reserved.
* Author: Yoann Vandoorselaere <yoann.v@prelude-ids.com>
*
* This file is part of the Prelude-LML program.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libprelude/prelude.h>
#include "prelude-lml.h"
int debug_LTX_prelude_plugin_version(void);
int debug_LTX_lml_plugin_init(prelude_plugin_entry_t *pe, void *data);
typedef struct {
int out_stderr;
} debug_plugin_t;
static lml_log_plugin_t plugin;
extern prelude_option_t *lml_root_optlist;
static void debug_run(prelude_plugin_instance_t *pi, const lml_log_source_t *ls, lml_log_entry_t *log_entry)
{
int ret;
debug_plugin_t *plugin;
idmef_alert_t *alert;
prelude_string_t *str;
idmef_message_t *message;
idmef_classification_t *class;
plugin = prelude_plugin_instance_get_plugin_data(pi);
ret = idmef_message_new(&message);
if ( ret < 0 ) {
prelude_perror(ret, "error creating idmef message");
return;
}
ret = idmef_message_new_alert(message, &alert);
if ( ret < 0 ) {
prelude_perror(ret, "error creating idmef alert");
goto err;
}
ret = idmef_alert_new_classification(alert, &class);
if ( ret < 0 ) {
prelude_perror(ret, "error creating idmef analyzer");
goto err;
}
ret = idmef_classification_new_text(class, &str);
if ( ret < 0 ) {
prelude_perror(ret, "error creating model string");
goto err;
}
prelude_string_set_constant(str, "LML debug Alert");
lml_alert_emit(ls, log_entry, message);
if ( plugin->out_stderr )
fprintf(stderr, "Debug: log received, log=%s\n", lml_log_entry_get_original_log(log_entry));
err:
idmef_message_destroy(message);
}
static int debug_activate(prelude_option_t *opt, const char *optarg, prelude_string_t *err, void *context)
{
debug_plugin_t *new;
new = calloc(1, sizeof(*new));
if ( ! new )
return prelude_error_from_errno(errno);
prelude_plugin_instance_set_plugin_data(context, new);
return 0;
}
static void debug_destroy(prelude_plugin_instance_t *pi, prelude_string_t *err)
{
debug_plugin_t *debug = prelude_plugin_instance_get_plugin_data(pi);
free(debug);
}
static int debug_get_output_stderr(prelude_option_t *opt, prelude_string_t *out, void *context)
{
debug_plugin_t *plugin = prelude_plugin_instance_get_plugin_data(context);
return prelude_string_sprintf(out, "%s", plugin->out_stderr ? "true" : "false");
}
static int debug_set_output_stderr(prelude_option_t *opt, const char *optarg, prelude_string_t *err, void *context)
{
debug_plugin_t *plugin = prelude_plugin_instance_get_plugin_data(context);
plugin->out_stderr = ! plugin->out_stderr;
return 0;
}
int debug_LTX_lml_plugin_init(prelude_plugin_entry_t *pe, void *lml_root_optlist)
{
int ret;
prelude_option_t *opt;
int hook = PRELUDE_OPTION_TYPE_CLI|PRELUDE_OPTION_TYPE_CFG;
ret = prelude_option_add(lml_root_optlist, &opt, hook, 0, "debug", "Debug plugin option",
PRELUDE_OPTION_ARGUMENT_OPTIONAL, debug_activate, NULL);
prelude_plugin_set_activation_option(pe, opt, NULL);
prelude_option_add(opt, NULL, hook, 's', "stderr",
"Output to stderr when plugin is called", PRELUDE_OPTION_ARGUMENT_NONE,
debug_set_output_stderr, debug_get_output_stderr);
plugin.run = debug_run;
prelude_plugin_set_name(&plugin, "Debug");
prelude_plugin_set_destroy_func(&plugin, debug_destroy);
prelude_plugin_entry_set_plugin(pe, (void *) &plugin);
return 0;
}
int debug_LTX_prelude_plugin_version(void)
{
return PRELUDE_PLUGIN_API_VERSION;
}
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