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ibrdtnd: added openssl 1.1 compatibility 

This patch adds compatibility with openssl 1.1.0 to ibrdtnd.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
lilik-openwrt-22.03
Eneas U de Queiroz 7 years ago
parent
f66dddc066
commit
86e4b33a9d
2 changed files with 206 additions and 1 deletions
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  1. +4
    -1
      net/ibrdtnd/Makefile
  2. +202
    -0
      net/ibrdtnd/patches/0001-ibrdtnd-added-openssl-compatibility.patch

+ 4
- 1
net/ibrdtnd/Makefile View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=ibrdtnd
PKG_VERSION:=1.0.1
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.ibr.cs.tu-bs.de/projects/ibr-dtn/releases
@ -17,6 +17,7 @@ PKG_HASH:=9bd79636154093ab6bf4fd10d6c62d67c6db45141460847b19def327c93771ed
PKG_MAINTAINER:=Johannes Morgenroth <jm@m-network.de>
PKG_LICENSE:=Apache-2.0
PKG_FIXUP:=autoreconf
PKG_INSTALL:=1
include $(INCLUDE_DIR)/package.mk
@ -44,6 +45,8 @@ CONFIGURE_ARGS += \
--without-vmime \
--disable-libdaemon
TARGET_CXXFLAGS += -std=gnu++03
define Package/ibrdtnd/install
$(INSTALL_DIR) $(1)/usr/sbin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/dtnd $(1)/usr/sbin/


+ 202
- 0
net/ibrdtnd/patches/0001-ibrdtnd-added-openssl-compatibility.patch View File

@ -0,0 +1,202 @@
From c794bbd16d2f39c656478608eb1314055e877370 Mon Sep 17 00:00:00 2001
From: Eneas U de Queiroz <cote2004-github@yahoo.com>
Date: Sat, 26 May 2018 23:44:54 -0300
Subject: [PATCH] ibrdtnd: added openssl compatibility
This patch adds compatibility with openssl 1.1.0 to ibrdtnd.
Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
---
ibrdtn/daemon/src/security/exchange/DHProtocol.cpp | 36 ++++++++++---
ibrdtn/daemon/src/security/exchange/Makefile.am | 2 +
.../src/security/exchange/openssl_compat.cpp | 62 ++++++++++++++++++++++
.../daemon/src/security/exchange/openssl_compat.h | 13 +++++
4 files changed, 107 insertions(+), 6 deletions(-)
create mode 100644 ibrdtn/daemon/src/security/exchange/openssl_compat.cpp
create mode 100644 ibrdtn/daemon/src/security/exchange/openssl_compat.h
diff --git a/src/security/exchange/DHProtocol.cpp b/src/security/exchange/DHProtocol.cpp
index e94c5026..3e0ad717 100644
--- a/src/security/exchange/DHProtocol.cpp
+++ b/src/security/exchange/DHProtocol.cpp
@@ -30,6 +30,7 @@
#include <openssl/rand.h>
#include <openssl/pem.h>
+#include "openssl_compat.h"
#define DH_KEY_LENGTH 1024
@@ -132,6 +133,7 @@ namespace dtn
void DHProtocol::begin(KeyExchangeSession &session, KeyExchangeData &data)
{
+ const BIGNUM *pub_key, *p, *g;
// get session state
DHState &state = session.getState<DHState>();
@@ -159,9 +161,12 @@ namespace dtn
// prepare request
KeyExchangeData request(KeyExchangeData::REQUEST, session);
- write(request, state.dh->pub_key);
- write(request, state.dh->p);
- write(request, state.dh->g);
+ DH_get0_pqg(state.dh, &p, NULL, &g);
+ DH_get0_key(state.dh, &pub_key, NULL);
+
+ write(request, pub_key);
+ write(request, p);
+ write(request, g);
manager.submit(session, request);
}
@@ -177,6 +182,15 @@ namespace dtn
{
if (data.getAction() == KeyExchangeData::REQUEST)
{
+ BIGNUM *p = BN_new();
+ BIGNUM *g = BN_new();
+ if (p == NULL || g == NULL)
+ {
+ BN_free(p);
+ BN_free(g);
+ throw ibrcommon::Exception("Error while allocating space for DH parameters");
+ }
+
BIGNUM* pub_key = BN_new();
read(data, &pub_key);
@@ -184,8 +198,16 @@ namespace dtn
state.dh = DH_new();
// read p and g paramter from message
- read(data, &state.dh->p);
- read(data, &state.dh->g);
+ read(data, &p);
+ read(data, &g);
+
+ if (DH_set0_pqg(state.dh, p, NULL, g))
+ {
+ BN_free(p);
+ BN_free(g);
+ BN_free(pub_key);
+ throw ibrcommon::Exception("Error while setting DH parameters");
+ }
int codes;
if (!DH_check(state.dh, &codes))
@@ -213,7 +235,9 @@ namespace dtn
state.secret.assign((const char*)secret, length);
KeyExchangeData response(KeyExchangeData::RESPONSE, session);
- write(response, state.dh->pub_key);
+ const BIGNUM *state_dh_pub_key;
+ DH_get0_key(state.dh, &state_dh_pub_key, NULL);
+ write(response, state_dh_pub_key);
manager.submit(session, response);
diff --git a/src/security/exchange/Makefile.am b/src/security/exchange/Makefile.am
index a6b2f832..71ed8365 100644
--- a/src/security/exchange/Makefile.am
+++ b/src/security/exchange/Makefile.am
@@ -22,6 +22,8 @@ exchange_SOURCES += \
NFCProtocol.cpp \
NoneProtocol.h \
NoneProtocol.cpp \
+ openssl_compat.h \
+ openssl_compat.cpp \
QRCodeProtocol.h \
QRCodeProtocol.cpp
diff --git a/src/security/exchange/openssl_compat.cpp b/src/security/exchange/openssl_compat.cpp
new file mode 100644
index 00000000..e3baba0f
--- /dev/null
+++ b/src/security/exchange/openssl_compat.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "openssl_compat.h"
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+void DH_get0_pqg(const DH *dh,
+ const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+ if (p != NULL)
+ *p = dh->p;
+ if (q != NULL)
+ *q = dh->q;
+ if (g != NULL)
+ *g = dh->g;
+}
+
+int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+ /* If the fields p and g in d are NULL, the corresponding input
+ * parameters MUST be non-NULL. q may remain NULL.
+ */
+ if ((dh->p == NULL && p == NULL)
+ || (dh->g == NULL && g == NULL))
+ return 0;
+
+ if (p != NULL) {
+ BN_free(dh->p);
+ dh->p = p;
+ }
+ if (q != NULL) {
+ BN_free(dh->q);
+ dh->q = q;
+ }
+ if (g != NULL) {
+ BN_free(dh->g);
+ dh->g = g;
+ }
+
+ if (q != NULL) {
+ dh->length = BN_num_bits(q);
+ }
+
+ return 1;
+}
+
+void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
+{
+ if (pub_key != NULL)
+ *pub_key = dh->pub_key;
+ if (priv_key != NULL)
+ *priv_key = dh->priv_key;
+}
+
+#endif /* OPENSSL_VERSION_NUMBER */
diff --git a/src/security/exchange/openssl_compat.h b/src/security/exchange/openssl_compat.h
new file mode 100644
index 00000000..29e7d415
--- /dev/null
+++ b/src/security/exchange/openssl_compat.h
@@ -0,0 +1,13 @@
+#ifndef LIBCRYPTO_COMPAT_H
+#define LIBCRYPTO_COMPAT_H
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+#include <openssl/dh.h>
+
+void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
+int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
+void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key);
+
+#endif /* OPENSSL_VERSION_NUMBER */
+#endif /* LIBCRYPTO_COMPAT_H */
--
2.16.1

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