From bb46184a4921b43dd4b649ace732488e2a2666da Mon Sep 17 00:00:00 2001
From: Christopher Wellons <wellons@nullprogram.com>
Date: Fri, 3 Mar 2017 20:49:45 -0500
Subject: [PATCH] Add Windows passphrase prompt.

---
 UNLICENSE |  0
 enchive.c | 34 +++++++++++++++++++++++++++++++++-
 sha256.h  |  0
 3 files changed, 33 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 UNLICENSE
 mode change 100644 => 100755 enchive.c
 mode change 100644 => 100755 sha256.h

diff --git a/UNLICENSE b/UNLICENSE
old mode 100644
new mode 100755
diff --git a/enchive.c b/enchive.c
old mode 100644
new mode 100755
index ad807e6..4f89da8
--- a/enchive.c
+++ b/enchive.c
@@ -111,8 +111,40 @@ get_passphrase(char *buf, size_t len, char *prompt)
             fatal("could not read passphrase from /dev/tty");
     }
 }
-#else
 
+#elif defined(_WIN32)
+#include <windows.h>
+
+static void
+get_passphrase(char *buf, size_t len, char *prompt)
+{
+    DWORD orig;
+    HANDLE in = GetStdHandle(STD_INPUT_HANDLE);
+    if (!GetConsoleMode(in, &orig)) {
+        get_passphrase_dumb(buf, len, prompt);
+    } else {
+        size_t passlen;
+        size_t i = 0;
+        DWORD n;
+        SetConsoleMode(in, orig & ~ENABLE_ECHO_INPUT);
+        fputs(prompt, stderr);
+        if (!fgets(buf, len, stdin))
+            fatal("could not read passphrase");
+        fputc('\n', stderr);
+        passlen = strlen(buf);
+        if (buf[passlen - 1] < ' ')
+            buf[passlen - 1] = 0;
+    }
+}
+
+/* fallback to standard open */
+static FILE *
+secure_creat(char *file)
+{
+    return fopen(file, "wb");
+}
+
+#else
 /* fallback to standard open */
 static FILE *
 secure_creat(char *file)
diff --git a/sha256.h b/sha256.h
old mode 100644
new mode 100755