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Fix building with LibreSSL 2.7.0 or newer

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With LibreSSL 2.7.0 (or newer versions) some more structs have made
opaque, which requires a few changes:

- BIO_meth_new() and related functions are now defined by LibreSSL, the
  versions from opensslcompat.{h,c} does not need to be used anymore.
- HMAC_CTX is now opaque, HMAC_CTX_new(), EVP_MD_CTX_new, and related
  functions should be used instead in winpr's hash.c.
This commit is contained in:
Adrian Perez de Castro 2022-06-27 11:45:44 +02:00 committed by akallabeth
parent 780e42f126
commit 81e8e28062
3 changed files with 18 additions and 9 deletions
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3
libfreerdp/crypto/opensslcompat.c
View File

@ -19,7 +19,8 @@
#include "opensslcompat.h"
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
BIO_METHOD* BIO_meth_new(int type, const char* name)
{

3
libfreerdp/crypto/opensslcompat.h
View File

@ -28,7 +28,8 @@
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
#include <openssl/bio.h>
#include <openssl/rsa.h>

21
winpr/libwinpr/crypto/hash.c
View File

@ -153,7 +153,8 @@ WINPR_HMAC_CTX* winpr_HMAC_New(void)
WINPR_HMAC_CTX* ctx = NULL;
#if defined(WITH_OPENSSL)
HMAC_CTX* hmac = NULL;
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
if (!(hmac = (HMAC_CTX*)calloc(1, sizeof(HMAC_CTX))))
return NULL;
@ -189,7 +190,8 @@ BOOL winpr_HMAC_Init(WINPR_HMAC_CTX* ctx, WINPR_MD_TYPE md, const BYTE* key, siz
if (keylen > INT_MAX)
return FALSE;
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
HMAC_Init_ex(hmac, key, (int)keylen, evp, NULL); /* no return value on OpenSSL 0.9.x */
return TRUE;
#else
@ -225,7 +227,8 @@ BOOL winpr_HMAC_Update(WINPR_HMAC_CTX* ctx, const BYTE* input, size_t ilen)
{
#if defined(WITH_OPENSSL)
HMAC_CTX* hmac = (HMAC_CTX*)ctx;
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
HMAC_Update(hmac, input, ilen); /* no return value on OpenSSL 0.9.x */
return TRUE;
#else
@ -257,7 +260,8 @@ BOOL winpr_HMAC_Final(WINPR_HMAC_CTX* ctx, BYTE* output, size_t olen)
#if defined(WITH_OPENSSL)
hmac = (HMAC_CTX*)ctx;
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
HMAC_Final(hmac, output, NULL); /* no return value on OpenSSL 0.9.x */
return TRUE;
#else
@ -283,7 +287,8 @@ void winpr_HMAC_Free(WINPR_HMAC_CTX* ctx)
if (hmac)
{
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
HMAC_CTX_cleanup(hmac);
free(hmac);
#else
@ -336,7 +341,8 @@ WINPR_DIGEST_CTX* winpr_Digest_New(void)
WINPR_DIGEST_CTX* ctx = NULL;
#if defined(WITH_OPENSSL)
EVP_MD_CTX* mdctx;
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
mdctx = EVP_MD_CTX_create();
#else
mdctx = EVP_MD_CTX_new();
@ -468,7 +474,8 @@ void winpr_Digest_Free(WINPR_DIGEST_CTX* ctx)
if (mdctx)
{
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
EVP_MD_CTX_destroy(mdctx);
#else
EVP_MD_CTX_free(mdctx);