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gentoo-overlay/net-vpn/tor/files/tor-0.4.7.13-libressl.patch

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Upstream-MR: https://gitlab.torproject.org/tpo/core/tor/-/merge_requests/598
Upstream-Commit: https://gitlab.torproject.org/tpo/core/tor/-/commit/da52d7206a4a8e4fa8b5e80b5ed73de50fbe8692
Upstream-MR: https://gitlab.torproject.org/tpo/core/tor/-/merge_requests/713
Upstream-Commit: https://gitlab.torproject.org/tpo/core/tor/-/commit/9850dc59c0db5cbcadc314be8d324a992880fce1
From f3dabd705f26c56076934323f24b5b05ecdfd39c Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Tue, 5 Jul 2022 11:37:30 -0400
Subject: [PATCH 1/2] LibreSSL 3.5 compatibility
LibreSSL is now closer to OpenSSL 1.1 than OpenSSL 1.0. According to
https://undeadly.org/cgi?action=article;sid=20220116121253, this is the
intention of OpenBSD developers.
According to #40630, many special cases are needed to compile Tor against
LibreSSL 3.5 when using Tor's OpenSSL 1.0 compatibility mode, whereas only a
small number of #defines are required when using OpenSSL 1.1 compatibility
mode. One additional workaround is required for LibreSSL 3.4 compatibility.
Compiles and passes unit tests with LibreSSL 3.4.3 and 3.5.1.
---
configure.ac | 2 +-
src/lib/crypt_ops/compat_openssl.h | 22 +++++++++++++---------
src/lib/crypt_ops/crypto_openssl_mgt.h | 3 +--
src/lib/crypt_ops/crypto_rsa_openssl.c | 8 +++++---
4 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/configure.ac b/configure.ac
index 8baae007cf..6ab7903010 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1022,7 +1022,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
AC_MSG_CHECKING([for OpenSSL < 1.0.1])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/opensslv.h>
-#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x1000100fL
+#if OPENSSL_VERSION_NUMBER < 0x1000100fL
#error "too old"
#endif
]], [[]])],
diff --git a/src/lib/crypt_ops/compat_openssl.h b/src/lib/crypt_ops/compat_openssl.h
index 0f56f338b5..c5eccdb015 100644
--- a/src/lib/crypt_ops/compat_openssl.h
+++ b/src/lib/crypt_ops/compat_openssl.h
@@ -20,32 +20,36 @@
* \brief compatibility definitions for working with different openssl forks
**/
-#if !defined(LIBRESSL_VERSION_NUMBER) && \
- OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,0,1)
+#if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,0,1)
#error "We require OpenSSL >= 1.0.1"
#endif
-#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0) && \
- ! defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0)
/* We define this macro if we're trying to build with the majorly refactored
* API in OpenSSL 1.1 */
#define OPENSSL_1_1_API
#endif /* OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0) && ... */
-#ifndef OPENSSL_1_1_API
-#define OpenSSL_version(v) SSLeay_version(v)
-#define tor_OpenSSL_version_num() SSLeay()
+/* LibreSSL claims to be OpenSSL 2.0 but lacks these OpenSSL 1.1 APIs */
+#if !defined(OPENSSL_1_1_API) || defined(LIBRESSL_VERSION_NUMBER)
#define RAND_OpenSSL() RAND_SSLeay()
#define STATE_IS_SW_SERVER_HELLO(st) \
(((st) == SSL3_ST_SW_SRVR_HELLO_A) || \
((st) == SSL3_ST_SW_SRVR_HELLO_B))
#define OSSL_HANDSHAKE_STATE int
#define CONST_IF_OPENSSL_1_1_API
-#else /* defined(OPENSSL_1_1_API) */
-#define tor_OpenSSL_version_num() OpenSSL_version_num()
+#else
#define STATE_IS_SW_SERVER_HELLO(st) \
((st) == TLS_ST_SW_SRVR_HELLO)
#define CONST_IF_OPENSSL_1_1_API const
+#endif
+
+/* OpenSSL 1.1 and LibreSSL both have these APIs */
+#ifndef OPENSSL_1_1_API
+#define OpenSSL_version(v) SSLeay_version(v)
+#define tor_OpenSSL_version_num() SSLeay()
+#else /* defined(OPENSSL_1_1_API) */
+#define tor_OpenSSL_version_num() OpenSSL_version_num()
#endif /* !defined(OPENSSL_1_1_API) */
#endif /* defined(ENABLE_OPENSSL) */
diff --git a/src/lib/crypt_ops/crypto_openssl_mgt.h b/src/lib/crypt_ops/crypto_openssl_mgt.h
index c6f63ffa08..96a37721dd 100644
--- a/src/lib/crypt_ops/crypto_openssl_mgt.h
+++ b/src/lib/crypt_ops/crypto_openssl_mgt.h
@@ -54,8 +54,7 @@
#define DISABLE_ENGINES
#endif
-#if OPENSSL_VERSION_NUMBER >= OPENSSL_VER(1,1,0,0,5) && \
- !defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_VER(1,1,0,0,5)
/* OpenSSL as of 1.1.0pre4 has an "new" thread API, which doesn't require
* setting up various callbacks.
*
diff --git a/src/lib/crypt_ops/crypto_rsa_openssl.c b/src/lib/crypt_ops/crypto_rsa_openssl.c
index a21c4a65cf..544d72e6ca 100644
--- a/src/lib/crypt_ops/crypto_rsa_openssl.c
+++ b/src/lib/crypt_ops/crypto_rsa_openssl.c
@@ -572,7 +572,9 @@ static bool
rsa_private_key_too_long(RSA *rsa, int max_bits)
{
const BIGNUM *n, *e, *p, *q, *d, *dmp1, *dmq1, *iqmp;
-#ifdef OPENSSL_1_1_API
+#if defined(OPENSSL_1_1_API) && \
+ (!defined(LIBRESSL_VERSION_NUMBER) || \
+ LIBRESSL_VERSION_NUMBER >= OPENSSL_V_SERIES(3,5,0))
#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,1)
n = RSA_get0_n(rsa);
@@ -591,7 +593,7 @@ rsa_private_key_too_long(RSA *rsa, int max_bits)
if (RSA_bits(rsa) > max_bits)
return true;
-#else /* !defined(OPENSSL_1_1_API) */
+#else /* !defined(OPENSSL_1_1_API) && ... */
n = rsa->n;
e = rsa->e;
p = rsa->p;
@@ -600,7 +602,7 @@ rsa_private_key_too_long(RSA *rsa, int max_bits)
dmp1 = rsa->dmp1;
dmq1 = rsa->dmq1;
iqmp = rsa->iqmp;
-#endif /* defined(OPENSSL_1_1_API) */
+#endif /* defined(OPENSSL_1_1_API) && ... */
if (n && BN_num_bits(n) > max_bits)
return true;
--
GitLab
From b1545b6d18fbef6c790e2731a814fa54230d8857 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Tue, 19 Jul 2022 16:18:29 -0400
Subject: [PATCH 2/2] Changes file for #40630 (LibreSSL 3.5 compatibility)
---
changes/issue40630 | 3 +++
1 file changed, 3 insertions(+)
create mode 100644 changes/issue40630
diff --git a/changes/issue40630 b/changes/issue40630
new file mode 100644
index 0000000000..faf04941b6
--- /dev/null
+++ b/changes/issue40630
@@ -0,0 +1,3 @@
+ o Minor features (portability, compilation):
+ - Use OpenSSL 1.1 APIs for LibreSSL, fixing LibreSSL 3.5 compatibility.
+ Fixes issue 40630; patch by Alex Xu (Hello71).
--
GitLab
From 9850dc59c0db5cbcadc314be8d324a992880fce1 Mon Sep 17 00:00:00 2001
From: orbea <orbea@riseup.net>
Date: Mon, 29 May 2023 12:56:37 -0700
Subject: [PATCH] tls: Disable a warning with LibreSSL >= 3.8.0
Skip a warning using EC_GFp_nist_method() which was removed in LibreSSL
3.8.
Based on a patch from OpenBSD.
https://github.com/openbsd/ports/commit/33fe251a08cb11f30ce6094a2e0759c3bb63ed16
These functions are deprecated since OpenSSL 3.0.
https://www.openssl.org/docs/man3.1/man3/EC_GFp_nist_method.html
---
src/lib/tls/tortls_openssl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/lib/tls/tortls_openssl.c b/src/lib/tls/tortls_openssl.c
index 12260c09d3..c0a89ac272 100644
--- a/src/lib/tls/tortls_openssl.c
+++ b/src/lib/tls/tortls_openssl.c
@@ -340,8 +340,10 @@ tor_tls_init(void)
SSL_load_error_strings();
#endif /* defined(OPENSSL_1_1_API) */
-#if (SIZEOF_VOID_P >= 8 && \
- OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,0,1))
+#if (SIZEOF_VOID_P >= 8 && \
+ OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,0,1) && \
+ (!defined(LIBRESSL_VERSION_NUMBER) || \
+ LIBRESSL_VERSION_NUMBER < 0x3080000fL))
long version = tor_OpenSSL_version_num();
/* LCOV_EXCL_START : we can't test these lines on the same machine */
--
GitLab
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