transmission: vendor openssl 3 patch

  patches = [

    # fix build with openssl 3.0

    (fetchurl {

      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/net-p2p/transmission/files/transmission-3.00-openssl-3.patch";

      hash = "sha256-peVrkGck8AfbC9uYNfv1CIu1alIewpca7A6kRXjVlVs=";

    })

    ./transmission-3.00-openssl-3.patch

  ];

  outputs = [ "out" "apparmor" ];

From 6ee128b95bacaff20746538dc97c2b8e2b9fcc29 Mon Sep 17 00:00:00 2001

From: Mike Gilbert <floppym@gentoo.org>

Date: Sun, 15 May 2022 10:54:38 -0400

Subject: [PATCH] openssl: load "legacy" provider for RC4

---

 libtransmission/crypto-utils-openssl.c | 7 +++++++

 1 file changed, 7 insertions(+)

diff --git a/libtransmission/crypto-utils-openssl.c b/libtransmission/crypto-utils-openssl.c

index 45fd71913..14d680654 100644

--- a/libtransmission/crypto-utils-openssl.c

+++ b/libtransmission/crypto-utils-openssl.c

@@ -20,6 +20,9 @@

 #include <openssl/rand.h>

 #include <openssl/ssl.h>

 #include <openssl/x509.h>

+#if OPENSSL_VERSION_MAJOR >= 3

+#include <openssl/provider.h>

+#endif

 #include "transmission.h"

 #include "crypto-utils.h"

@@ -184,6 +187,10 @@ static void openssl_evp_cipher_context_free(EVP_CIPHER_CTX* handle)

 tr_rc4_ctx_t tr_rc4_new(void)

 {

+#if OPENSSL_VERSION_MAJOR >= 3

+    OSSL_PROVIDER_load(NULL, "default");

+    OSSL_PROVIDER_load(NULL, "legacy");

+#endif

     EVP_CIPHER_CTX* handle = EVP_CIPHER_CTX_new();

     if (check_result(EVP_CipherInit_ex(handle, EVP_rc4(), NULL, NULL, NULL, -1)))

-- 

2.35.1