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123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/* Copyright (C) 2016-2021 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*
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*/
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#include "suricata-common.h"
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#include "detect-engine-profile.h"
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#ifdef PROFILING
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#include "output-json.h"
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#include "util-conf.h"
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SCMutex g_rule_dump_write_m = SCMUTEX_INITIALIZER;
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void RulesDumpTxMatchArray(const DetectEngineThreadCtx *det_ctx, const SigGroupHead *sgh,
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const Packet *p, const uint64_t tx_id, const uint32_t rule_cnt,
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const uint32_t pkt_prefilter_cnt)
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{
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JsonBuilder *js =
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CreateEveHeaderWithTxId(p, LOG_DIR_PACKET, "inspectedrules", NULL, tx_id, NULL);
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if (js == NULL)
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return;
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jb_set_string(js, "app_proto", AppProtoToString(p->flow->alproto));
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jb_open_object(js, "inspectedrules");
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jb_set_string(js, "inspect_type", "tx");
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jb_set_uint(js, "rule_group_id", sgh->id);
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jb_set_uint(js, "rule_cnt", rule_cnt);
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jb_set_uint(js, "pkt_rule_cnt", pkt_prefilter_cnt);
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jb_set_uint(js, "non_pf_rule_cnt", det_ctx->non_pf_store_cnt);
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jb_open_array(js, "rules");
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for (uint32_t x = 0; x < rule_cnt; x++) {
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SigIntId iid = det_ctx->tx_candidates[x].id;
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const Signature *s = det_ctx->de_ctx->sig_array[iid];
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if (s == NULL)
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continue;
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jb_append_uint(js, s->id);
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}
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jb_close(js); // close array
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jb_close(js); // close inspectedrules object
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jb_close(js); // final close
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const char *filename = "packet_inspected_rules.json";
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const char *log_dir = ConfigGetLogDirectory();
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char log_path[PATH_MAX] = "";
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snprintf(log_path, sizeof(log_path), "%s/%s", log_dir, filename);
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SCMutexLock(&g_rule_dump_write_m);
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FILE *fp = fopen(log_path, "a");
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if (fp != NULL) {
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fwrite(jb_ptr(js), jb_len(js), 1, fp);
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fclose(fp);
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}
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SCMutexUnlock(&g_rule_dump_write_m);
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jb_free(js);
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}
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void RulesDumpMatchArray(const DetectEngineThreadCtx *det_ctx,
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const SigGroupHead *sgh, const Packet *p)
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{
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JsonBuilder *js = CreateEveHeader(p, LOG_DIR_PACKET, "inspectedrules", NULL, NULL);
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if (js == NULL)
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return;
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if (p->flow) {
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jb_set_string(js, "app_proto", AppProtoToString(p->flow->alproto));
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}
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jb_open_object(js, "inspectedrules");
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jb_set_string(js, "inspect_type", "packet");
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jb_set_uint(js, "rule_group_id", sgh->id);
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jb_set_uint(js, "rule_cnt", det_ctx->match_array_cnt);
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jb_set_uint(js, "non_pf_rule_cnt", det_ctx->non_pf_store_cnt);
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jb_open_array(js, "rules");
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for (uint32_t x = 0; x < det_ctx->match_array_cnt; x++) {
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const Signature *s = det_ctx->match_array[x];
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if (s == NULL)
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continue;
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jb_append_uint(js, s->id);
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}
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jb_close(js); // close array
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jb_close(js); // close inspectedrules object
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jb_close(js); // final close
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const char *filename = "packet_inspected_rules.json";
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const char *log_dir = ConfigGetLogDirectory();
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char log_path[PATH_MAX] = "";
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snprintf(log_path, sizeof(log_path), "%s/%s", log_dir, filename);
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SCMutexLock(&g_rule_dump_write_m);
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FILE *fp = fopen(log_path, "a");
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if (fp != NULL) {
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fwrite(jb_ptr(js), jb_len(js), 1, fp);
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fclose(fp);
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}
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SCMutexUnlock(&g_rule_dump_write_m);
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jb_free(js);
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}
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#endif /* PROFILING */
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