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From a801d10a081e3130e24042256a43190c9eb6c112 Mon Sep 17 00:00:00 2001
From: Eneas Queiroz <35331380+cotequeiroz@users.noreply.github.com>
Date: Wed, 23 May 2018 03:09:02 -0300
Subject: [PATCH] ibrcommon: added openssl 1.1 compatibility (#264)
This patch adds compatibility to openssl 1.1.0.
Backported from master branch:
https://github.com/ibrdtn/ibrdtn/commit/a801d10a081e3130e24042256a43190c9eb6c112
Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
ibrcommon/ibrcommon/ssl/HMacStream.cpp | 11 +++---
ibrcommon/ibrcommon/ssl/HMacStream.h | 2 +-
ibrcommon/ibrcommon/ssl/RSASHA256Stream.cpp | 28 +++++++------
ibrcommon/ibrcommon/ssl/RSASHA256Stream.h | 2 +-
ibrcommon/ibrcommon/ssl/iostreamBIO.cpp | 44 ++++++++++++++++-----
ibrcommon/ibrcommon/ssl/openssl_compat.h | 38 ++++++++++++++++++
6 files changed, 95 insertions(+), 30 deletions(-)
create mode 100644 ibrcommon/ibrcommon/ssl/openssl_compat.h
diff --git a/ibrcommon/ssl/HMacStream.cpp b/ibrcommon/ssl/HMacStream.cpp
index e5d317e3..66d8ce42 100644
--- a/ibrcommon/ssl/HMacStream.cpp
+++ b/ibrcommon/ssl/HMacStream.cpp
@@ -20,29 +20,30 @@
*/
#include "ibrcommon/ssl/HMacStream.h"
+#include "openssl_compat.h"
namespace ibrcommon
{
HMacStream::HMacStream(const unsigned char * const key, const int key_size)
: HashStream(EVP_MAX_MD_SIZE, BUFF_SIZE), key_(key), key_size_(key_size)
{
- HMAC_CTX_init(&ctx_);
- HMAC_Init_ex(&ctx_, key_, key_size_, EVP_sha1(), NULL);
+ ctx_ = HMAC_CTX_new();
+ HMAC_Init_ex(ctx_, key_, key_size_, EVP_sha1(), NULL);
}
HMacStream::~HMacStream()
{
- HMAC_CTX_cleanup(&ctx_);
+ HMAC_CTX_free(ctx_);
}
void HMacStream::update(char *buf, const size_t size)
{
// hashing
- HMAC_Update(&ctx_, (unsigned char*)buf, size);
+ HMAC_Update(ctx_, (unsigned char*)buf, size);
}
void HMacStream::finalize(char * hash, unsigned int &size)
{
- HMAC_Final(&ctx_, (unsigned char*)hash, &size);
+ HMAC_Final(ctx_, (unsigned char*)hash, &size);
}
}
diff --git a/ibrcommon/ssl/HMacStream.h b/ibrcommon/ssl/HMacStream.h
index 7dcea168..d04bceb8 100644
--- a/ibrcommon/ssl/HMacStream.h
+++ b/ibrcommon/ssl/HMacStream.h
@@ -44,7 +44,7 @@ namespace ibrcommon
const unsigned char * const key_;
const int key_size_;
- HMAC_CTX ctx_;
+ HMAC_CTX* ctx_;
};
}
diff --git a/ibrcommon/ssl/RSASHA256Stream.cpp b/ibrcommon/ssl/RSASHA256Stream.cpp
index d94430ed..d25c5d2f 100644
--- a/ibrcommon/ssl/RSASHA256Stream.cpp
+++ b/ibrcommon/ssl/RSASHA256Stream.cpp
@@ -21,6 +21,7 @@
#include "ibrcommon/ssl/RSASHA256Stream.h"
#include "ibrcommon/Logger.h"
+#include "openssl_compat.h"
#include <openssl/err.h>
namespace ibrcommon
@@ -30,11 +31,11 @@ namespace ibrcommon
{
// Initialize get pointer. This should be zero so that underflow is called upon first read.
setp(&out_buf_[0], &out_buf_[BUFF_SIZE - 1]);
- EVP_MD_CTX_init(&_ctx);
+ _ctx = EVP_MD_CTX_new();
if (!_verify)
{
- if (!EVP_SignInit_ex(&_ctx, EVP_sha256(), NULL))
+ if (!EVP_SignInit_ex(_ctx, EVP_sha256(), NULL))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to initialize the signature function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
@@ -42,7 +43,7 @@ namespace ibrcommon
}
else
{
- if (!EVP_VerifyInit_ex(&_ctx, EVP_sha256(), NULL))
+ if (!EVP_VerifyInit_ex(_ctx, EVP_sha256(), NULL))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to initialize the verification function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
@@ -52,18 +53,19 @@ namespace ibrcommon
RSASHA256Stream::~RSASHA256Stream()
{
- EVP_MD_CTX_cleanup(&_ctx);
+ EVP_MD_CTX_free(_ctx);
}
void RSASHA256Stream::reset()
{
- EVP_MD_CTX_cleanup(&_ctx);
-
- EVP_MD_CTX_init(&_ctx);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ EVP_MD_CTX_cleanup(_ctx);
+#endif
+ EVP_MD_CTX_init(_ctx);
if (!_verify)
{
- if (!EVP_SignInit_ex(&_ctx, EVP_sha256(), NULL))
+ if (!EVP_SignInit_ex(_ctx, EVP_sha256(), NULL))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to initialize the signature function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
@@ -71,7 +73,7 @@ namespace ibrcommon
}
else
{
- if (!EVP_VerifyInit_ex(&_ctx, EVP_sha256(), NULL))
+ if (!EVP_VerifyInit_ex(_ctx, EVP_sha256(), NULL))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to initialize the verfication function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
@@ -91,7 +93,7 @@ namespace ibrcommon
std::vector<unsigned char> sign(EVP_PKEY_size(_pkey));
unsigned int size = EVP_PKEY_size(_pkey);
- _return_code = EVP_SignFinal(&_ctx, &sign[0], &size, _pkey);
+ _return_code = EVP_SignFinal(_ctx, &sign[0], &size, _pkey);
_sign = std::string((const char*)&sign[0], size);
@@ -107,7 +109,7 @@ namespace ibrcommon
if (!_sign_valid)
{
sync();
- _return_code = EVP_VerifyFinal(&_ctx, reinterpret_cast<const unsigned char *>(their_sign.c_str()), static_cast<unsigned int>(their_sign.size()), _pkey);
+ _return_code = EVP_VerifyFinal(_ctx, reinterpret_cast<const unsigned char *>(their_sign.c_str()), static_cast<unsigned int>(their_sign.size()), _pkey);
_sign_valid = true;
}
return _return_code;
@@ -145,7 +147,7 @@ namespace ibrcommon
if (!_verify)
// hashing
{
- if (!EVP_SignUpdate(&_ctx, &out_buf_[0], iend - ibegin))
+ if (!EVP_SignUpdate(_ctx, &out_buf_[0], iend - ibegin))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to feed data into the signature function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
@@ -153,7 +155,7 @@ namespace ibrcommon
}
else
{
- if (!EVP_VerifyUpdate(&_ctx, &out_buf_[0], iend - ibegin))
+ if (!EVP_VerifyUpdate(_ctx, &out_buf_[0], iend - ibegin))
{
IBRCOMMON_LOGGER_TAG("RSASHA256Stream", critical) << "failed to feed data into the verification function" << IBRCOMMON_LOGGER_ENDL;
ERR_print_errors_fp(stderr);
diff --git a/ibrcommon/ssl/RSASHA256Stream.h b/ibrcommon/ssl/RSASHA256Stream.h
index 344f8e10..6f3a1168 100644
--- a/ibrcommon/ssl/RSASHA256Stream.h
+++ b/ibrcommon/ssl/RSASHA256Stream.h
@@ -106,7 +106,7 @@ namespace ibrcommon
/** the context in which the streamed data will be feed into for
calculation of the hash/signature */
- EVP_MD_CTX _ctx;
+ EVP_MD_CTX * _ctx;
/** tells if the context needs to be finalized to get a valid signature or
verification */
diff --git a/ibrcommon/ssl/iostreamBIO.cpp b/ibrcommon/ssl/iostreamBIO.cpp
index 18c1b55c..ea6c63eb 100644
--- a/ibrcommon/ssl/iostreamBIO.cpp
+++ b/ibrcommon/ssl/iostreamBIO.cpp
@@ -23,6 +23,7 @@
#include "ibrcommon/Logger.h"
+#include "openssl_compat.h"
#include <openssl/err.h>
namespace ibrcommon
@@ -42,7 +43,20 @@ static int create(BIO *bio);
//static int destroy(BIO *bio);
//static long (*callback_ctrl)(BIO *, int, bio_info_cb *);
-
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+BIO_METHOD * BIO_iostream_method()
+{
+ static BIO_METHOD *iostream_method = NULL;
+ if (iostream_method) {
+ iostream_method = BIO_meth_new(iostreamBIO::type, iostreamBIO::name);
+ BIO_meth_set_write(iostream_method, bwrite);
+ BIO_meth_set_read(iostream_method, bread);
+ BIO_meth_set_ctrl(iostream_method, ctrl);
+ BIO_meth_set_create(iostream_method, create);
+ }
+ return iostream_method;
+}
+#else
static BIO_METHOD iostream_method =
{
iostreamBIO::type,
@@ -56,12 +70,17 @@ static BIO_METHOD iostream_method =
NULL,//destroy,
NULL//callback_ctrl
};
+BIO_METHOD * BIO_iostream_method()
+{
+ return &iostream_method;
+}
+#endif
iostreamBIO::iostreamBIO(iostream *stream)
: _stream(stream)
{
/* create BIO */
- _bio = BIO_new(&iostream_method);
+ _bio = BIO_new(BIO_iostream_method());
if(!_bio){
/* creation failed, throw exception */
char err_buf[ERR_BUF_SIZE];
@@ -72,7 +91,7 @@ iostreamBIO::iostreamBIO(iostream *stream)
}
/* save the iostream in the bio object */
- _bio->ptr = stream;
+ BIO_set_data(_bio, (void *) stream);
}
BIO * iostreamBIO::getBIO(){
@@ -81,10 +100,10 @@ BIO * iostreamBIO::getBIO(){
static int create(BIO *bio)
{
- bio->ptr = NULL;
- /* (from openssl memory bio) */
- bio->shutdown=1;
- bio->init=1;
+ BIO_set_data(bio, NULL);
+ BIO_set_shutdown(bio, 1);
+ BIO_set_init(bio, 1);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
/* from bss_mem.c (openssl):
* bio->num is used to hold the value to return on 'empty', if it is
* 0, should_retry is not set
@@ -93,6 +112,7 @@ static int create(BIO *bio)
* it is set to 0 since the underlying stream is blocking
*/
bio->num= 0;
+#endif
return 1;
}
@@ -102,7 +122,7 @@ static int create(BIO *bio)
static long ctrl(BIO *bio, int cmd, long num, void *)
{
long ret;
- iostream *stream = reinterpret_cast<iostream*>(bio->ptr);
+ iostream *stream = reinterpret_cast<iostream*>(BIO_get_data(bio));
IBRCOMMON_LOGGER_DEBUG_TAG("iostreamBIO", 90) << "ctrl called, cmd: " << cmd << ", num: " << num << "." << IBRCOMMON_LOGGER_ENDL;
@@ -147,8 +167,12 @@ static long ctrl(BIO *bio, int cmd, long num, void *)
static int bread(BIO *bio, char *buf, int len)
{
- iostream *stream = reinterpret_cast<iostream*>(bio->ptr);
+ iostream *stream = reinterpret_cast<iostream*>(BIO_get_data(bio));
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ int num_bytes = 0;
+#else
int num_bytes = bio->num;
+#endif
try{
/* make sure to read at least 1 byte and then read as much as we can */
@@ -170,7 +194,7 @@ static int bwrite(BIO *bio, const char *buf, int len)
if(len == 0){
return 0;
}
- iostream *stream = reinterpret_cast<iostream*>(bio->ptr);
+ iostream *stream = reinterpret_cast<iostream*>(BIO_get_data(bio));
/* write the data */
try{
diff --git a/ibrcommon/ssl/openssl_compat.h b/ibrcommon/ssl/openssl_compat.h
new file mode 100644
index 00000000..e491677f
--- /dev/null
+++ b/ibrcommon/ssl/openssl_compat.h
@@ -0,0 +1,38 @@
+#ifndef OPENSSL_COMPAT_H
+#define OPENSSL_COMPAT_H
+
+#include <openssl/crypto.h>
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+
+static inline EVP_MD_CTX * EVP_MD_CTX_new()
+{
+ EVP_MD_CTX *ctx;
+
+ ctx = (EVP_MD_CTX *) OPENSSL_malloc(sizeof(EVP_MD_CTX));
+ EVP_MD_CTX_init(ctx);
+ return ctx;
+}
+#define EVP_MD_CTX_free(c) if (c != NULL) OPENSSL_free(c)
+
+static inline HMAC_CTX * HMAC_CTX_new()
+{
+ HMAC_CTX *ctx;
+
+ ctx = (HMAC_CTX *) OPENSSL_malloc(sizeof(HMAC_CTX));
+ HMAC_CTX_init(ctx);
+ return ctx;
+}
+#define HMAC_CTX_free(c) if (c != NULL) OPENSSL_free(c)
+
+#define BIO_get_data(b) b->ptr
+#define BIO_set_data(b, v) b->ptr=v
+#define BIO_set_shutdown(b, v) b->shutdown=v
+#define BIO_set_init(b, v) b->init=v
+
+#endif /* OPENSSL_VERSION_NUMBER */
+
+#endif /* OPENSSL_COMPAT_H */
+
--
2.18.0
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