From 93c3bc804ea8b1d21aa3c98f1149dd086d1784ea Mon Sep 17 00:00:00 2001
From: Felipe Zimmerle <fcosta@trustwave.com>
Date: Fri, 23 Oct 2015 13:35:23 -0300
Subject: [PATCH] Adds hexEncode transformation

---
 src/actions/transformations/hex_encode.cc     | 16 ++++++++--------
 src/actions/transformations/transformation.cc |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/actions/transformations/hex_encode.cc b/src/actions/transformations/hex_encode.cc
index fa645e2a..827d702b 100644
--- a/src/actions/transformations/hex_encode.cc
+++ b/src/actions/transformations/hex_encode.cc
@@ -21,6 +21,7 @@
 #include <functional>
 #include <cctype>
 #include <locale>
+#include <iterator>
 
 #include "modsecurity/assay.h"
 #include "actions/transformations/transformation.h"
@@ -37,15 +38,14 @@ HexEncode::HexEncode(std::string action)
 
 std::string HexEncode::evaluate(std::string value,
     Assay *assay) {
-    /**
-     * @todo Implement the transformation HexEncode
-     */
-    if (assay) {
-#ifndef NO_LOGS
-        assay->debug(4, "Transformation HexEncode is not implemented yet.");
-#endif
+
+    std::stringstream result;
+    for (std::size_t i=0; i < value.length(); i++) {
+        int ii = (char)value[i];
+        result << std::setw(2) << std::setfill('0') << std::hex << ii;
     }
-    return value;
+
+    return result.str();
 }
 
 }  // namespace transformations
diff --git a/src/actions/transformations/transformation.cc b/src/actions/transformations/transformation.cc
index 1dfc8177..5a48f2f0 100644
--- a/src/actions/transformations/transformation.cc
+++ b/src/actions/transformations/transformation.cc
@@ -81,7 +81,7 @@ Transformation* Transformation::instantiate(std::string a) {
     IF_MATCH(cssDecode) { return new CssDecode(a); }
     IF_MATCH(escape_seq_decode) { return new EscapeSeqDecode(a); }
     IF_MATCH(hex_decode) { return new HexDecode(a); }
-    IF_MATCH(hex_encode) { return new HexEncode(a); }
+    IF_MATCH(hexEncode) { return new HexEncode(a); }
     IF_MATCH(htmlEntityDecode) { return new HtmlEntityDecode(a); }
     IF_MATCH(jsDecode) { return new JsDecode(a); }
     IF_MATCH(length) { return new Length(a); }