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/* Copyright (C) 2016-2021 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*
*/
#include "suricata-common.h"
#include "detect-engine-profile.h"
#ifdef PROFILING
#include "output-json.h"
#include "util-conf.h"
SCMutex g_rule_dump_write_m = SCMUTEX_INITIALIZER;
void RulesDumpTxMatchArray(const DetectEngineThreadCtx *det_ctx, const SigGroupHead *sgh,
const Packet *p, const uint64_t tx_id, const uint32_t rule_cnt,
const uint32_t pkt_prefilter_cnt)
{
JsonBuilder *js =
CreateEveHeaderWithTxId(p, LOG_DIR_PACKET, "inspectedrules", NULL, tx_id, NULL);
if (js == NULL)
return;
jb_set_string(js, "app_proto", AppProtoToString(p->flow->alproto));
jb_open_object(js, "inspectedrules");
jb_set_string(js, "inspect_type", "tx");
jb_set_uint(js, "rule_group_id", sgh->id);
jb_set_uint(js, "rule_cnt", rule_cnt);
jb_set_uint(js, "pkt_rule_cnt", pkt_prefilter_cnt);
jb_set_uint(js, "non_pf_rule_cnt", det_ctx->non_pf_store_cnt);
jb_open_array(js, "rules");
for (uint32_t x = 0; x < rule_cnt; x++) {
SigIntId iid = det_ctx->tx_candidates[x].id;
const Signature *s = det_ctx->de_ctx->sig_array[iid];
if (s == NULL)
continue;
jb_append_uint(js, s->id);
}
jb_close(js); // close array
jb_close(js); // close inspectedrules object
jb_close(js); // final close
const char *filename = "packet_inspected_rules.json";
const char *log_dir = ConfigGetLogDirectory();
char log_path[PATH_MAX] = "";
snprintf(log_path, sizeof(log_path), "%s/%s", log_dir, filename);
SCMutexLock(&g_rule_dump_write_m);
FILE *fp = fopen(log_path, "a");
if (fp != NULL) {
fwrite(jb_ptr(js), jb_len(js), 1, fp);
fclose(fp);
}
SCMutexUnlock(&g_rule_dump_write_m);
jb_free(js);
}
void RulesDumpMatchArray(const DetectEngineThreadCtx *det_ctx,
const SigGroupHead *sgh, const Packet *p)
{
JsonBuilder *js = CreateEveHeader(p, LOG_DIR_PACKET, "inspectedrules", NULL, NULL);
if (js == NULL)
return;
if (p->flow) {
jb_set_string(js, "app_proto", AppProtoToString(p->flow->alproto));
}
jb_open_object(js, "inspectedrules");
jb_set_string(js, "inspect_type", "packet");
jb_set_uint(js, "rule_group_id", sgh->id);
jb_set_uint(js, "rule_cnt", det_ctx->match_array_cnt);
jb_set_uint(js, "non_pf_rule_cnt", det_ctx->non_pf_store_cnt);
jb_open_array(js, "rules");
for (uint32_t x = 0; x < det_ctx->match_array_cnt; x++) {
const Signature *s = det_ctx->match_array[x];
if (s == NULL)
continue;
jb_append_uint(js, s->id);
}
jb_close(js); // close array
jb_close(js); // close inspectedrules object
jb_close(js); // final close
const char *filename = "packet_inspected_rules.json";
const char *log_dir = ConfigGetLogDirectory();
char log_path[PATH_MAX] = "";
snprintf(log_path, sizeof(log_path), "%s/%s", log_dir, filename);
SCMutexLock(&g_rule_dump_write_m);
FILE *fp = fopen(log_path, "a");
if (fp != NULL) {
fwrite(jb_ptr(js), jb_len(js), 1, fp);
fclose(fp);
}
SCMutexUnlock(&g_rule_dump_write_m);
jb_free(js);
}
#endif /* PROFILING */
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