Add first version of cmplog testing

Cargo.toml

@@ -10,6 +10,7 @@ repository = "https://github.com/srlabs/ziggy/"
 members = [
  ".",
  "examples/arbitrary",
+ "examples/cmplog",
  "examples/url",
 ]
 

examples/cmplog/.gitignore

@@ -0,0 +1,2 @@
+output
+Cargo.lock

examples/cmplog/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "cmplog-fuzz"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+ziggy = { path = "../../", default-features = false }

examples/cmplog/README.md

@@ -0,0 +1,13 @@
+# Ziggy example - CMPLOG
+
+First, install the tooling:
+
+```
+cargo install cargo-afl honggfuzz ziggy
+```
+
+Then, in this directory, run:
+
+```
+cargo ziggy fuzz
+```

examples/cmplog/src/main.rs

@@ -0,0 +1,38 @@
+fn main() {
+ // This fuzz harness demonstrates the capabilities of CmpLog.
+ // Simply run the fuzzer and it should find the crash immediately.
+ ziggy::fuzz!(|data: &[u8]| {
+ if data.len() < 29 {
+ return;
+ }
+ if data[0] != b'A' {
+ return;
+ }
+ if data[1] != b'B' {
+ return;
+ }
+ if data[2] != b'C' {
+ return;
+ }
+ if data[3] != b'D' {
+ return;
+ }
+
+ if data[4..8] != 0x6969_4141_i32.to_le_bytes() {
+ return;
+ };
+
+ if data[8..12] != *b"1234" || data[12..16] != *b"EFGH" {
+ return;
+ };
+
+ let slice = &data[16..];
+ let match_string = "Hello, world!";
+ let compare_string = String::from_utf8(slice.to_vec()).unwrap_or_default();
+ if compare_string != match_string {
+ return;
+ }
+
+ panic!("BOOM");
+ });
+}