[add] Sample scanner

Add scanner for sample.

Author: akakou

.gitignore

@@ -0,0 +1 @@
+bin/*

Makefile

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+CC      = g++
+SUFFIX  = .cc
+CFLAGS  = -g -Wall -std=c++17
+SOURCE  = ./src/sample.cc
+TARGET  = ./bin/libsample.so
+TEST_SOURCE  = ./src/tests.cc
+TEST_TARGET  = ./bin/tests
+
+build: $(SOURCE)
+	$(CC) $(SOURCE) $(CFLAGS) -shared -fPIC -o $(TARGET)
+
+test: $(TESTS)
+	$(CC) $(TEST_SOURCE) $(CFLAGS ) -lgtest -o $(TEST_TARGET)   
+
+clean:
+	rm -f $(TARGET) $(TRUE_TARGET) $(FALSE_TARGET) 
+
+rebuild:
+	make clean && make build

scanner.yml

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+loadable:
+  bin/libsample.so

src/sample.cc

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+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+extern "C" {
+    bool scan(unsigned char *target, size_t target_size, unsigned char *signature, size_t signature_size) {
+        char *_target = (char *)malloc((target_size + 1) * sizeof(unsigned char));
+        char *_signature = (char *)malloc((signature_size + 1) * sizeof(unsigned char)); 
+        
+        memcpy(_target, target, target_size);
+        memcpy(_signature, signature, signature_size);
+        
+        *(_target + target_size) = 0x00;
+        *(_signature + signature_size) = 0x00;
+
+        bool result = strcmp(_target, _signature) == 0;
+        
+        printf("target:\n%s\n\n", _target);
+        printf("signature:\n%s\n\n", _signature);
+        printf("result:\n%d\n\n", result);
+
+        free(_target);
+        free(_signature);
+        return result;
+    }
+}
+
+

src/tests.cc

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+#include <gtest/gtest.h>
+
+#include "../src/sample.cc"
+
+class SampleScannerTest : public ::testing::Test {};
+
+
+char fizz[] = "fizz";
+char buzz[] = "buzz";
+size_t size = sizeof(fizz);
+
+TEST_F(SampleScannerTest, Hit) {
+    char fizz[] = "fizz";
+    bool result = scan((unsigned char *)fizz, size, (unsigned char *)fizz, size);
+    ASSERT_TRUE(result);
+}
+
+TEST_F(SampleScannerTest, UnHit) {
+    bool result = scan((unsigned char *)fizz, size, (unsigned char *)buzz, size);
+    ASSERT_FALSE(result);
+}
+
+int main(int argc, char **argv) {
+    printf("hello");
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}
+
+