Adding tutorials to repo

Author: Dae Glendowne

README.md

@@ -1 +1,6 @@
-# Tutorials for CI Fuzz CLI
+# CI Fuzz CLI Tutorials
+
+This repo contains tutorials to help you learn how to create your own fuzz tests with CI Fuzz CLI. Use these tutorials along with the following guides:
+
+* [C++ Quick Start](https://docs.code-intelligence.com/cli-quick-start-cpp) 
+* [Java Quick Start](https://docs.code-intelligence.com/cli-quick-start-java) 

c_cpp/bazel/BUILD.bazel

@@ -0,0 +1,7 @@
+load("@rules_cc//cc:defs.bzl", "cc_binary")
+
+cc_binary(
+    name = "main",
+    srcs = ["main.cpp"],
+    deps = ["//src:explore_me"],
+)

c_cpp/bazel/WORKSPACE

@@ -0,0 +1,9 @@
+#include "src/explore_me.h"
+
+int main() {
+  exploreMe(1, 1, "A");
+  exploreMe(2147483647, 1, "A");
+  exploreMe(2147483647, 2147483647, "A");
+  exploreMe(2000000000, 2000000123, "A");
+  exploreMe(2000000000, 2000000123, "FUZZ");
+}

c_cpp/bazel/main.cpp

@@ -0,0 +1,7 @@
+cc_library(
+    name = "explore_me",
+    srcs = ["explore_me.cpp"],
+    hdrs = ["explore_me.h"],
+    visibility = ["//visibility:public"],
+)
+

c_cpp/bazel/src/BUILD.bazel

@@ -0,0 +1,20 @@
+#include "explore_me.h"
+#include <cstdio>
+#include <cstring>
+using namespace std;
+
+// just a function with multiple paths that can be discoverd by a fuzzer
+void exploreMe(int a, int b, string c) {
+  if (a >= 20000) {
+    if (b >= 2000000) {
+      if (b - a < 100000) {
+        if (c == "FUZZING") {
+          // Trigger a heap buffer overflow
+          char *s = (char *)malloc(1);
+          strcpy(s, "too long");
+          printf("%s\n", s);
+        }
+      }
+    }
+  }
+}

c_cpp/bazel/src/explore_me.cpp

@@ -0,0 +1,4 @@
+#include <string>
+using namespace std;
+
+void exploreMe(int a, int b, string c);

c_cpp/bazel/src/explore_me.h

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.16)
+project(cmake_example)
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+enable_testing()
+
+add_subdirectory(src)
+
+add_executable(${PROJECT_NAME} main.cpp )
+target_link_libraries(${PROJECT_NAME} PRIVATE exploreMe)

c_cpp/bazel/test/BUILD.bazel

@@ -0,0 +1,9 @@
+#include "src/explore_me.h"
+
+int main() {
+  exploreMe(1, 1, "A");
+  exploreMe(2147483647, 1, "A");
+  exploreMe(2147483647, 2147483647, "A");
+  exploreMe(2000000000, 2000000123, "A");
+  exploreMe(2000000000, 2000000123, "FUZZ");
+}