Adding a few missing files to the last commit.

READHOOK.md

@@ -24,8 +24,8 @@ apt-get update -y && apt-get install -y curl netcat socat wget
 ```
 ### (2) Get readhook components
 ```
-wget -q -O /tmp/basehook.so https://github.com/polyverse/readhook/releases/download/jenkins/basehook.so
-wget -q -O /tmp/fullhook.so https://github.com/polyverse/readhook/releases/download/jenkins/fullhook.so
+wget -q -O /tmp/basehook.so https://github.com/polyverse/readhook/releases/download/v1.2.1/basehook.so
+wget -q -O /tmp/fullhook.so https://github.com/polyverse/readhook/releases/download/v1.2.1/fullhook.so
 ```
 ### (2) Start socat with readhook in front of libc
 socat -T600 TCP4-LISTEN:8080,reuseaddr SYSTEM:"/usr/bin/env LD_PRELOAD='/tmp/fullhook.so:/tmp/basehook.so' /bin/cat"

src/noophook.c

@@ -0,0 +1,13 @@
+#define _GNU_SOURCE
+#include <dlfcn.h>	// For dlsym()
+#include <stdio.h>	// For i/o
+
+// NOOP read function for testing if LD_PRELOAD can be injected quietly.
+typedef
+ssize_t Read(int fd, void *buf, size_t count);
+ssize_t read(int fd, void *buf, size_t count) {
+	Read *libc_read = (Read *) dlsym(RTLD_NEXT, "read");
+	ssize_t result = libc_read(fd, buf, count);
+
+	return result;
+} // read()

src/nullhook.c

@@ -0,0 +1,6 @@
+#define _GNU_SOURCE
+#include <stdlib.h>
+
+ssize_t dummy(int fd, void *buf, size_t count) {
+	return 0;
+} // dummy()