47 lines
1.4 KiB
Diff
47 lines
1.4 KiB
Diff
From e1f63dba5c63302b8a5e9d33c9ffe5580105de72 Mon Sep 17 00:00:00 2001
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From: Ondrej Holy <oholy@redhat.com>
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Date: Tue, 3 Aug 2021 08:47:13 +0200
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Subject: [PATCH] winpr/crypto: Load legacy provider to fix rc4 with OpenSSL
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3.0
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Currently, the `EVP_EncryptInit_ex` function fails for rc4 with OpenSSL 3.0.
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This is becuase rc4 is provided by the legacy provider which is not loaded
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by default. Let's explicitly load the legacy provider to make FreeRDP work
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with OpenSSL 3.0.
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Relates: https://github.com/openssl/openssl/issues/14392
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Fixes: https://github.com/FreeRDP/FreeRDP/issues/6604
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---
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winpr/libwinpr/crypto/cipher.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/winpr/libwinpr/crypto/cipher.c b/winpr/libwinpr/crypto/cipher.c
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index bd52cfeed..75d25a1c7 100644
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--- a/winpr/libwinpr/crypto/cipher.c
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+++ b/winpr/libwinpr/crypto/cipher.c
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@@ -29,6 +29,9 @@
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#include <openssl/rc4.h>
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#include <openssl/des.h>
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#include <openssl/evp.h>
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+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
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+#include <openssl/provider.h>
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+#endif
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#endif
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#ifdef WITH_MBEDTLS
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@@ -58,6 +60,11 @@ static WINPR_RC4_CTX* winpr_RC4_New_Internal(const BYTE* key, size_t keylen, BOO
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#if defined(WITH_OPENSSL)
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+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
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+ if (OSSL_PROVIDER_load(NULL, "legacy") == NULL)
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+ return NULL;
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+#endif
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+
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if (!(ctx = (WINPR_RC4_CTX*)EVP_CIPHER_CTX_new()))
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return NULL;
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--
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2.31.1
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