Quite large reworking of signer/cert handling.

1 files changed, 0 insertions, 268 deletions

diff --git a/src/signer_chain.cc b/src/signer_chain.cc
deleted file mode 100644
index 3b75b06c..00000000
--- a/src/signer_chain.cc
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
-    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
-
-    This program 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.
-
-    This program 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 this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-/** @file  src/signer_chain.cc
- *  @brief Functions to make signer chains.
- */
-
-#include "signer_chain.h"
-#include "exceptions.h"
-#include "util.h"
-#include "KM_util.h"
-#include <openssl/sha.h>
-#include <openssl/bio.h>
-#include <openssl/evp.h>
-#include <boost/filesystem.hpp>
-#include <boost/algorithm/string.hpp>
-#include <fstream>
-#include <sstream>
-
-using std::string;
-using std::ofstream;
-using std::ifstream;
-using std::stringstream;
-using std::cout;
-
-/** Run a shell command.
- *  @param cmd Command to run (UTF8-encoded).
- */
-static void
-command (string cmd)
-{
-#ifdef LIBDCP_WINDOWS
-	/* We need to use CreateProcessW on Windows so that the UTF-8/16 mess
-	   is handled correctly.
-	*/
-	int const wn = MultiByteToWideChar (CP_UTF8, 0, cmd.c_str(), -1, 0, 0);
-	wchar_t* buffer = new wchar_t[wn];
-	if (MultiByteToWideChar (CP_UTF8, 0, cmd.c_str(), -1, buffer, wn) == 0) {
-		delete[] buffer;
-		return;
-	}
-
-	int code = 1;
-
-	STARTUPINFOW startup_info;
-	memset (&startup_info, 0, sizeof (startup_info));
-	startup_info.cb = sizeof (startup_info);
-	PROCESS_INFORMATION process_info;
-
-	/* XXX: this doesn't actually seem to work; failing commands end up with
-	   a return code of 0
-	*/
-	if (CreateProcessW (0, buffer, 0, 0, FALSE, CREATE_NO_WINDOW, 0, 0, &startup_info, &process_info)) {
-		WaitForSingleObject (process_info.hProcess, INFINITE);
-		DWORD c;
-		if (GetExitCodeProcess (process_info.hProcess, &c)) {
-			code = c;
-		}
-		CloseHandle (process_info.hProcess);
-		CloseHandle (process_info.hThread);
-	}
-
-	delete[] buffer;
-#else
-	cmd += " 2> /dev/null";
-	int const r = system (cmd.c_str ());
-	int const code = WEXITSTATUS (r);
-#endif
-	if (code) {
-		stringstream s;
-		s << "error " << code << " in " << cmd << " within " << boost::filesystem::current_path();
-		throw dcp::MiscError (s.str());
-	}
-}
-
-/** Extract a public key from a private key and create a SHA1 digest of it.
- *  @param private_key Private key
- *  @param openssl openssl binary name (or full path if openssl is not on the system path).
- *  @return SHA1 digest of corresponding public key, with escaped / characters.
- */
-static string
-public_key_digest (boost::filesystem::path private_key, boost::filesystem::path openssl)
-{
-	boost::filesystem::path public_name = private_key.string() + ".public";
-
-	/* Create the public key from the private key */
-	stringstream s;
-	s << "\"" << openssl.string() << "\" rsa -outform PEM -pubout -in " << private_key.string() << " -out " << public_name.string ();
-	command (s.str().c_str ());
-
-	/* Read in the public key from the file */
-
-	string pub;
-	ifstream f (public_name.string().c_str ());
-	if (!f.good ()) {
-		throw dcp::MiscError ("public key not found");
-	}
-
-	bool read = false;
-	while (f.good ()) {
-		string line;
-		getline (f, line);
-		if (line.length() >= 10 && line.substr(0, 10) == "-----BEGIN") {
-			read = true;
-		} else if (line.length() >= 8 && line.substr(0, 8) == "-----END") {
-			break;
-		} else if (read) {
-			pub += line;
-		}
-	}
-
-	/* Decode the base64 of the public key */
-		
-	unsigned char buffer[512];
-	int const N = dcp::base64_decode (pub, buffer, 1024);
-
-	/* Hash it with SHA1 (without the first 24 bytes, for reasons that are not entirely clear) */
-
-	SHA_CTX context;
-	if (!SHA1_Init (&context)) {
-		throw dcp::MiscError ("could not init SHA1 context");
-	}
-
-	if (!SHA1_Update (&context, buffer + 24, N - 24)) {
-		throw dcp::MiscError ("could not update SHA1 digest");
-	}
-
-	unsigned char digest[SHA_DIGEST_LENGTH];
-	if (!SHA1_Final (digest, &context)) {
-		throw dcp::MiscError ("could not finish SHA1 digest");
-	}
-
-	char digest_base64[64];
-	string dig = Kumu::base64encode (digest, SHA_DIGEST_LENGTH, digest_base64, 64);
-#ifdef LIBDCP_WINDOWS
-	boost::replace_all (dig, "/", "\\/");
-#else	
-	boost::replace_all (dig, "/", "\\\\/");
-#endif	
-	return dig;
-}
-
-/** Generate a chain of root, intermediate and leaf keys by running an OpenSSL binary.
- *  @param directory Directory to write the files to.
- *  @param openssl openssl binary path.
- */
-void
-dcp::make_signer_chain (boost::filesystem::path directory, boost::filesystem::path openssl)
-{
-	boost::filesystem::path const cwd = boost::filesystem::current_path ();
-
-	string quoted_openssl = "\"" + openssl.string() + "\"";
-
-	boost::filesystem::current_path (directory);
-	command (quoted_openssl + " genrsa -out ca.key 2048");
-
-	{
-		ofstream f ("ca.cnf");
-		f << "[ req ]\n"
-		  << "distinguished_name = req_distinguished_name\n"
-		  << "x509_extensions	= v3_ca\n"
-		  << "[ v3_ca ]\n"
-		  << "basicConstraints = critical,CA:true,pathlen:3\n"
-		  << "keyUsage = keyCertSign,cRLSign\n"
-		  << "subjectKeyIdentifier = hash\n"
-		  << "authorityKeyIdentifier = keyid:always,issuer:always\n"
-		  << "[ req_distinguished_name ]\n"
-		  << "O = Unique organization name\n"
-		  << "OU = Organization unit\n"
-		  << "CN = Entity and dnQualifier\n";
-	}
-
-	string const ca_subject = "/O=example.org/OU=example.org/CN=.smpte-430-2.ROOT.NOT_FOR_PRODUCTION/dnQualifier=" + public_key_digest ("ca.key", openssl);
-
-	{
-		stringstream c;
-		c << quoted_openssl
-		  << " req -new -x509 -sha256 -config ca.cnf -days 3650 -set_serial 5"
-		  << " -subj " << ca_subject << " -key ca.key -outform PEM -out ca.self-signed.pem";
-		command (c.str().c_str());
-	}
-
-	command (quoted_openssl + " genrsa -out intermediate.key 2048");
-
-	{
-		ofstream f ("intermediate.cnf");
-		f << "[ default ]\n"
-		  << "distinguished_name = req_distinguished_name\n"
-		  << "x509_extensions = v3_ca\n"
-		  << "[ v3_ca ]\n"
-		  << "basicConstraints = critical,CA:true,pathlen:2\n"
-		  << "keyUsage = keyCertSign,cRLSign\n"
-		  << "subjectKeyIdentifier = hash\n"
-		  << "authorityKeyIdentifier = keyid:always,issuer:always\n"
-		  << "[ req_distinguished_name ]\n"
-		  << "O = Unique organization name\n"
-		  << "OU = Organization unit\n"
-		  << "CN = Entity and dnQualifier\n";
-	}
-		
-	string const inter_subject = "/O=example.org/OU=example.org/CN=.smpte-430-2.INTERMEDIATE.NOT_FOR_PRODUCTION/dnQualifier="
-		+ public_key_digest ("intermediate.key", openssl);
-
-	{
-		stringstream s;
-		s << quoted_openssl
-		  << " req -new -config intermediate.cnf -days 3649 -subj " << inter_subject << " -key intermediate.key -out intermediate.csr";
-		command (s.str().c_str());
-	}
-
-	
-	command (
-		quoted_openssl +
-		" x509 -req -sha256 -days 3649 -CA ca.self-signed.pem -CAkey ca.key -set_serial 6"
-		" -in intermediate.csr -extfile intermediate.cnf -extensions v3_ca -out intermediate.signed.pem"
-		);
-
-	command (quoted_openssl + " genrsa -out leaf.key 2048");
-
-	{
-		ofstream f ("leaf.cnf");
-		f << "[ default ]\n"
-		  << "distinguished_name = req_distinguished_name\n"
-		  << "x509_extensions	= v3_ca\n"
-		  << "[ v3_ca ]\n"
-		  << "basicConstraints = critical,CA:false\n"
-		  << "keyUsage = digitalSignature,keyEncipherment\n"
-		  << "subjectKeyIdentifier = hash\n"
-		  << "authorityKeyIdentifier = keyid,issuer:always\n"
-		  << "[ req_distinguished_name ]\n"
-		  << "O = Unique organization name\n"
-		  << "OU = Organization unit\n"
-		  << "CN = Entity and dnQualifier\n";
-	}
-
-	string const leaf_subject = "/O=example.org/OU=example.org/CN=CS.smpte-430-2.LEAF.NOT_FOR_PRODUCTION/dnQualifier="
-		+ public_key_digest ("leaf.key", openssl);
-
-	{
-		stringstream s;
-		s << quoted_openssl << " req -new -config leaf.cnf -days 3648 -subj " << leaf_subject << " -key leaf.key -outform PEM -out leaf.csr";
-		command (s.str().c_str());
-	}
-
-	command (
-		quoted_openssl +
-		" x509 -req -sha256 -days 3648 -CA intermediate.signed.pem -CAkey intermediate.key"
-		" -set_serial 7 -in leaf.csr -extfile leaf.cnf -extensions v3_ca -out leaf.signed.pem"
-		);
-
-	boost::filesystem::current_path (cwd);
-}