From 90bd57fe40e66fc829ecb01482d32d604b0df19c Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Wed, 25 Nov 2015 01:41:37 +0100
Subject: Windows: Full UNICODE rewrite and implement support for UNICODE
 passwords.

---
 src/Common/Xml.c | 53 +++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 43 insertions(+), 10 deletions(-)

(limited to 'src/Common/Xml.c')

diff --git a/src/Common/Xml.c b/src/Common/Xml.c
index bd01460b..71994510 100644
--- a/src/Common/Xml.c
+++ b/src/Common/Xml.c
@@ -210,26 +210,59 @@ char *XmlQuoteText (const char *textSrc, char *textDst, int textDstMaxSize)
 	return textDst;
 }
 
-
-int XmlWriteHeader (FILE *file)
+wchar_t *XmlQuoteTextW (const wchar_t *textSrc, wchar_t *textDst, int textDstMaxSize)
 {
-	return fputs ("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<VeraCrypt>", file);
-}
+	wchar_t *textDstLast = textDst + textDstMaxSize - 1;
 
+	if (textDstMaxSize == 0)
+		return NULL;
 
-int XmlWriteHeaderW (FILE *file)
-{
-	return fputws (L"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<VeraCrypt>", file);
+	while (*textSrc != 0 && textDst <= textDstLast) 
+	{
+		wchar_t c = *textSrc++;
+		switch (c)
+		{
+		case L'&':
+			if (textDst + 6 > textDstLast)
+				return NULL;
+			wcscpy (textDst, L"&amp;");
+			textDst += 5;
+			continue;
+
+		case L'>':
+			if (textDst + 5 > textDstLast)
+				return NULL;
+			wcscpy (textDst, L"&gt;");
+			textDst += 4;
+			continue;
+
+		case L'<':
+			if (textDst + 5 > textDstLast)
+				return NULL;
+			wcscpy (textDst, L"&lt;");
+			textDst += 4;
+			continue;
+
+		default:
+			*textDst++ = c;
+		}
+	}
+
+	if (textDst > textDstLast)
+		return NULL;
+
+	*textDst = 0;
+	return textDst;
 }
 
 
-int XmlWriteFooter (FILE *file)
+int XmlWriteHeader (FILE *file)
 {
-	return fputs ("\n</VeraCrypt>", file);
+	return fputws (L"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<VeraCrypt>", file);
 }
 
 
-int XmlWriteFooterW (FILE *file)
+int XmlWriteFooter (FILE *file)
 {
 	return fputws (L"\n</VeraCrypt>", file);
 }
-- 
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