Add r2bolt PoC

radareorg · May 4, 2023 · ecfee39 · ecfee39
1 parent 6f7d02b
commit ecfee39
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diff --git a/www/bolt/Makefile b/www/bolt/Makefile
@@ -0,0 +1,3 @@
+PWD=$(shell pwd)
+all:
+	r2 -qcq -e http.sandbox=false -e http.root=${PWD} -c=H -
diff --git a/www/bolt/index.html b/www/bolt/index.html
@@ -0,0 +1,38 @@
+<html>
+ <script src="r2.js"></script>
+<script>
+let cflags = '';
+let compiler = "gcc -S";
+const $ = (x) => document.getElementById(x);
+function compile() {
+	const cc = btoa($('compiler').value);
+	const cs = btoa($('source').value);
+	const cmd = `""!!sh ./r2bolt.sh '' '${cs}'`;
+	r2.cmd(cmd, (res) => {
+		if (res.trim()) {
+			$('output').innerHTML = res;
+		}
+	});
+}
+compile();
+</script>
+<body>
+<table width="100%">
+<tr>
+ <td colspan=2>
+   <input type="button" value="r2bolt" onclick="javascript:compile()"></input>
+   <input id="compiler" value="gcc -S" /></td>
+   </tr>
+   <tr>
+ <td valign="top">
+<textarea rows=20 id="source" onkeyup="compile()">
+#include &lt;stdio.h&gt;
+int main() {
+  return 1 + 2;
+}
+</textarea></td>
+ <td><div id="output" style="font-size:0.7em;font-family:Courier;white-space: pre;"></div></td>
+</tr>
+</table>
+</body>
+</html>
diff --git a/www/bolt/r2.js b/www/bolt/r2.js
diff --git a/www/bolt/r2bolt.sh b/www/bolt/r2bolt.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+# arg1 = compiler+flags
+# arg2 = base64(source)
+
+if [ -z "$1" ]; then
+	CC="gcc -S"
+else
+	CC="`rax2 -D $1`"
+fi
+if [ -z "$2" ]; then
+	CS="main() {}"
+else
+	CS="`rax2 -D $2`"
+fi
+
+USE_R2=1
+if [ "$USE_R2" = 1 ]; then
+	echo "$CS" > .a.c
+	gcc -o a.out .a.c
+# r2 -qcq -e scr.color=0 -e asm.lines=0 -e asm.bytes=0 -c'pD $SS@$S;aa;agf' a.out
+	r2 -qcq -e scr.color=0 -e asm.lines=0 -e asm.bytes=0 -c'af;agf' a.out
+	rm -f .a.c a.out
+else
+	echo "$CS" > .a.c
+	$CC .a.c
+	cat .a.s
+	rm -f .a.s .a.c
+fi