New dcpkdm tool.

3 files changed, 134 insertions, 11 deletions

diff --git a/run/tools/dcpkdm b/run/tools/dcpkdm
new file mode 100755
index 00000000..0a08605b
--- /dev/null
+++ b/run/tools/dcpkdm
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+export LD_LIBRARY_PATH=build/src:build/asdcplib/src:/home/c.hetherington/lib:$LD_LIBRARY_PATH
+if [ "$1" == "--debug" ]; then
+    shift
+    gdb --args build/tools/dcpkdm "$@"
+elif [ "$1" == "--valgrind" ]; then
+    shift
+    valgrind --tool="memcheck" --leak-check=full --show-reachable=yes build/tools/dcpkdm "$@"
+else
+    build/tools/dcpkdm "$@"
+fi
diff --git a/tools/dcpkdm.cc b/tools/dcpkdm.cc
new file mode 100644
index 00000000..00ab201f
--- /dev/null
+++ b/tools/dcpkdm.cc
@@ -0,0 +1,116 @@
+/*
+    Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+#include "encrypted_kdm.h"
+#include "decrypted_kdm.h"
+#include "util.h"
+#include "exceptions.h"
+#include <boost/foreach.hpp>
+#include <getopt.h>
+
+using std::string;
+using std::cout;
+using std::cerr;
+using boost::optional;
+
+static void
+help (string n)
+{
+	cerr << "Syntax: " << n << " [OPTION] <KDM>]\n"
+	     << "  -h, --help         show this help\n"
+	     << "  -p, --private-key  private key file\n";
+}
+
+int
+main (int argc, char* argv[])
+{
+	optional<boost::filesystem::path> private_key_file;
+
+	int option_index = 0;
+	while (true) {
+		struct option long_options[] = {
+			{ "help", no_argument, 0, 'h' },
+			{ "private-key", required_argument, 0, 'p'},
+			{ 0, 0, 0, 0 }
+		};
+
+		int c = getopt_long (argc, argv, "hp:", long_options, &option_index);
+
+		if (c == -1) {
+			break;
+		}
+
+		switch (c) {
+		case 'h':
+			help (argv[0]);
+			exit (EXIT_SUCCESS);
+		case 'p':
+			private_key_file = optarg;
+			break;
+		}
+	}
+
+	if (optind >= argc) {
+		help (argv[0]);
+		exit (EXIT_FAILURE);
+	}
+
+	boost::filesystem::path kdm_file = argv[optind];
+
+	dcp::EncryptedKDM enc_kdm (dcp::file_to_string (kdm_file));
+
+	if (enc_kdm.annotation_text()) {
+		cout << "Annotation:    " << enc_kdm.annotation_text().get() << "\n";
+	}
+	cout << "Content title: " << enc_kdm.content_title_text() << "\n";
+	cout << "CPL id:        " << enc_kdm.cpl_id() << "\n";
+	cout << "Recipient:     " << enc_kdm.recipient_x509_subject_name() << "\n";
+
+	if (private_key_file) {
+		try {
+			dcp::DecryptedKDM dec_kdm (enc_kdm, dcp::file_to_string (private_key_file.get()));
+			cout << "\nKeys";
+			BOOST_FOREACH (dcp::DecryptedKDMKey i, dec_kdm.keys ()) {
+				cout << "\n";
+				cout << "\tID:   " << i.id() << "\n";
+				cout << "\tType: " << i.type() << "\n";
+				cout << "\tKey:  " << i.key().hex() << "\n";
+			}
+		} catch (dcp::KDMDecryptionError& e) {
+			cerr << e.what() << "\n";
+			exit (EXIT_FAILURE);
+		}
+	}
+
+	return 0;
+}
diff --git a/tools/wscript b/tools/wscript
index b3bb3a1f..ecdd74d4 100644
--- a/tools/wscript
+++ b/tools/wscript
@@ -44,14 +44,9 @@ def build(bld):
     obj.source = 'dcpinfo.cc common.cc'
     obj.target = 'dcpinfo'
 
-    obj = bld(features='cxx cxxprogram')
-    obj.use = ['libdcp%s' % bld.env.API_VERSION]
-    obj.uselib = 'OPENJPEG CXML OPENMP ASDCPLIB_CTH BOOST_FILESYSTEM LIBXML++ XMLSEC1 OPENSSL'
-    obj.source = 'dcpdumpsub.cc'
-    obj.target = 'dcpdumpsub'
-
-    obj = bld(features='cxx cxxprogram')
-    obj.use = ['libdcp%s' % bld.env.API_VERSION]
-    obj.uselib = 'OPENJPEG CXML OPENMP ASDCPLIB_CTH BOOST_FILESYSTEM LIBXML++ XMLSEC1 OPENSSL'
-    obj.source = 'dcpdecryptmxf.cc'
-    obj.target = 'dcpdecryptmxf'
+    for f in ['dumpsub', 'decryptmxf', 'kdm']:
+        obj = bld(features='cxx cxxprogram')
+        obj.use = ['libdcp%s' % bld.env.API_VERSION]
+        obj.uselib = 'OPENJPEG CXML OPENMP ASDCPLIB_CTH BOOST_FILESYSTEM LIBXML++ XMLSEC1 OPENSSL'
+        obj.source = 'dcp%s.cc' % f
+        obj.target = 'dcp%s' % f