compile table support conjunction, ip_plugin support cidr

1 files changed, 66 insertions, 0 deletions

diff --git a/scanner/bool_matcher.h b/scanner/bool_matcher.h
new file mode 100644
index 0000000..3b86e5f
--- /dev/null
+++ b/scanner/bool_matcher.h
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright (c) 2018
+ * String Algorithms Research Group
+ * Institute of Information Engineering, Chinese Academy of Sciences (IIE-CAS)
+ * National Engineering Laboratory for Information Security Technologies (NELIST)
+ * All rights reserved
+ *
+ * Written by: LIU YANBING    ([email protected])
+ * Last modification: 2021-06-12
+ *
+ * This code is the exclusive and proprietary property of IIE-CAS and NELIST. 
+ * Usage for direct or indirect commercial advantage is not allowed without 
+ * written permission from the authors.
+ *
+ */
+
+#ifndef INCLUDE_BOOL_MATCHER_H
+#define INCLUDE_BOOL_MATCHER_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stddef.h>
+
+#define MAX_ITEMS_PER_BOOL_EXPR 8
+
+    /* not_flag=0表示布尔项item_id必须出现；not_flag=1表示布尔项item_id不能出现 */
+    struct bool_item
+    {
+        unsigned long long item_id;
+        unsigned char not_flag;
+    };
+
+    /* At least one item's not_flag should be 0. */
+    struct bool_expr
+    {
+        unsigned long long expr_id;
+        void *user_tag;
+        size_t item_num;
+        struct bool_item items[MAX_ITEMS_PER_BOOL_EXPR];
+    };
+
+    struct bool_expr_match
+    {
+        unsigned long long expr_id;
+        void *user_tag;
+    };
+
+    struct bool_matcher;
+
+    struct bool_matcher *bool_matcher_new(struct bool_expr *exprs, size_t expr_num, size_t *mem_size);
+
+    /* Returned results are sorted by expr_id in descending order. */
+    // Input item_ids MUST be ASCENDING order and NO duplication.
+    int bool_matcher_match(struct bool_matcher *matcher, unsigned long long *item_ids, size_t item_num, struct bool_expr_match *results, size_t n_result);
+
+    void bool_matcher_free(struct bool_matcher *matcher);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif