From 95ff8f359cfc2189bd4d7e02e15373027d2bda32 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 29 May 2017 20:05:54 +0300
Subject: Implement openssl process

---
 libbutl/openssl.cxx | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 libbutl/openssl.cxx

(limited to 'libbutl/openssl.cxx')

diff --git a/libbutl/openssl.cxx b/libbutl/openssl.cxx
new file mode 100644
index 0000000..aa4e720
--- /dev/null
+++ b/libbutl/openssl.cxx
@@ -0,0 +1,96 @@
+// file      : libbutl/openssl.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <libbutl/openssl.hxx>
+
+#include <utility> // move()
+
+using namespace std;
+
+namespace butl
+{
+  int openssl::
+  map_in (nullfd_t, io_data& d)
+  {
+    d.pipe.in = fdnull (); // /dev/null
+    return d.pipe.in.get ();
+  }
+
+  int openssl::
+  map_in (const path& f, io_data& d)
+  {
+    if (f.string () == "-")
+    {
+      // Note: no need for any options, openssl reads from stdin by default.
+      //
+      d.pipe = fdopen_pipe (fdopen_mode::binary);
+      out.open (move (d.pipe.out));
+    }
+    else
+    {
+      d.options.push_back ("-in");
+      d.options.push_back (f.string ().c_str ());
+      d.pipe.in = fdnull (); // /dev/null
+    }
+
+    return d.pipe.in.get ();
+  }
+
+  int openssl::
+  map_in (fdstream_mode m, io_data& d)
+  {
+    assert (m == fdstream_mode::text || m == fdstream_mode::binary);
+
+    // Note: no need for any options, openssl reads from stdin by default.
+    //
+    d.pipe = fdopen_pipe (m == fdstream_mode::binary
+                          ? fdopen_mode::binary
+                          : fdopen_mode::none);
+
+    out.open (move (d.pipe.out));
+    return d.pipe.in.get ();
+  }
+
+  int openssl::
+  map_out (nullfd_t, io_data& d)
+  {
+    d.pipe.out = fdnull ();
+    return d.pipe.out.get (); // /dev/null
+  }
+
+  int openssl::
+  map_out (const path& f, io_data& d)
+  {
+    if (f.string () == "-")
+    {
+      // Note: no need for any options, openssl writes to stdout by default.
+      //
+      d.pipe = fdopen_pipe (fdopen_mode::binary);
+      in.open (move (d.pipe.in), fdstream_mode::skip);
+    }
+    else
+    {
+      d.options.push_back ("-out");
+      d.options.push_back (f.string ().c_str ());
+      d.pipe.out = fdnull (); // /dev/null
+    }
+
+    return d.pipe.out.get ();
+  }
+
+  int openssl::
+  map_out (fdstream_mode m, io_data& d)
+  {
+    assert (m == fdstream_mode::text || m == fdstream_mode::binary);
+
+    // Note: no need for any options, openssl writes to stdout by default.
+    //
+    d.pipe = fdopen_pipe (m == fdstream_mode::binary
+                          ? fdopen_mode::binary
+                          : fdopen_mode::none);
+
+    in.open (move (d.pipe.in), fdstream_mode::skip);
+    return d.pipe.out.get ();
+  }
+}
-- 
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