From 08f44fa326c3802905c5c189d1827ef630b37050 Mon Sep 17 00:00:00 2001
From: Xu Jingtao <jingtaozf@gmail.com>
Date: Wed, 30 Sep 2015 16:34:55 +0800
Subject: [PATCH] add r2pipe lisp bindings for radare2.

---
 lisp/main.lisp   | 19 +++++++++++++++++++
 lisp/r2pipe.lisp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 lisp/main.lisp
 create mode 100644 lisp/r2pipe.lisp

diff --git a/lisp/main.lisp b/lisp/main.lisp
new file mode 100644
index 0000000..ca30af6
--- /dev/null
+++ b/lisp/main.lisp
@@ -0,0 +1,19 @@
+;;; -*- encoding:utf-8 Mode: LISP; Syntax: COMMON-LISP; Base: 10  -*- ---
+;; 
+;; Filename: main.lisp
+;; Description: 
+;; Author: Jingtao Xu <jingtaozf@gmail.com>
+;; Created: 2015.09.29 17:43:05(+0800)
+;; Last-Updated: 2015.09.30 16:33:26(+0800)
+;;     Update #: 6
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 
+;;; Commentary: 
+;; 
+;; 
+;;(load "r2pipe.lisp")
+(setf pipe (r2pipe "/bin/bash"))
+(format t "~s~%" (r2-cmd pipe "pi 5"))
+(format t "~s~%" (r2-json (r2-cmd pipe "pij 1")))
+(format t "~s~%" (r2-cmd pipe "px 64"))
+(r2-quit pipe)
diff --git a/lisp/r2pipe.lisp b/lisp/r2pipe.lisp
new file mode 100644
index 0000000..889d62e
--- /dev/null
+++ b/lisp/r2pipe.lisp
@@ -0,0 +1,45 @@
+;;; -*- encoding:utf-8 Mode: LISP; Syntax: COMMON-LISP; Base: 10  -*- ---
+;; 
+;; Filename: r2pipe.lisp
+;; Description: 
+;; Author: Jingtao Xu <jingtaozf@gmail.com>
+;; Created: 2015.09.29 17:42:43(+0800)
+;; Last-Updated: 2015.09.30 16:30:25(+0800)
+;;     Update #: 38
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 
+;;; Commentary: 
+;; 
+;; 
+(in-package :cl-user)
+
+(asdf:oos 'asdf:load-op :cl-json)
+
+(defvar *r2-bin-path* "/usr/bin/r2")
+(defun r2-read-pipe (pipe)
+  (with-output-to-string (stream)
+    (loop for c = (read-char pipe)
+          until (= 0 (char-code c))
+          do (write-char c stream))))
+
+(defun r2pipe (file)
+  (let ((pipe #-lispworks(error "r2pipe is not implemented for current lisp platform.")
+              #+lispworks(sys:open-pipe `(,*r2-bin-path* "-q" "-0" ,file) :direction :io)))
+    (values pipe (r2-read-pipe pipe))))
+
+(defun r2-cmd (pipe cmd)
+  (write-line (format nil "~a" cmd) pipe)
+  (finish-output pipe)
+  (r2-read-pipe pipe))
+
+(defun r2-quit (pipe)
+  (r2-cmd pipe "q!"))
+
+(defun r2-json (str)
+  (json:decode-json-from-string
+   (with-output-to-string (*standard-output*)
+     (with-input-from-string (*standard-input* str)
+       (loop for c = (read-char *standard-input* nil nil) then (read-char *standard-input* nil nil)
+             until (null c)
+             unless (find c '(#\Newline #\Return))
+               do (write-char c))))))