1 files changed, 122 insertions, 0 deletions
diff --git a/src/detect-engine-profile.c b/src/detect-engine-profile.c
new file mode 100644
index 0000000..36cf6e1
--- /dev/null
+++ b/src/detect-engine-profile.c
@@ -0,0 +1,122 @@
+/* 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 */