MSVSphere Packaging Team
9 months ago
parent
36a8b4d39d
commit
8321c52b3b
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fa2dfccae20cbe67e0ca45e90c493afedb6b55cb SOURCES/dotnet-v6.0.126.tar.gz
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722442f6afac60d4d6dce2c43752717a4d396d84 SOURCES/dotnet-v6.0.127.tar.gz
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@ -1 +1 @@
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SOURCES/dotnet-v6.0.126.tar.gz
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SOURCES/dotnet-v6.0.127.tar.gz
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@ -0,0 +1,169 @@
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From 076687f5f9e7e1fce24f33f498b4e03c4150108e Mon Sep 17 00:00:00 2001
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From: Omair Majid <omajid@redhat.com>
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Date: Fri, 2 Feb 2024 12:09:52 -0500
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Subject: [PATCH] Revert "Disable implicit rejection for RSA PKCS#1 (#95218)"
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This reverts commit e3500b8e8ad18e8bf067dc5250863b64bb8f0de0.
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To quote Clemens Lang:
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> [Disabling implcit rejection] re-enables a Bleichenbacher timing oracle
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> attack against PKCS#1v1.5 decryption. See
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> https://people.redhat.com/~hkario/marvin/ for details and
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> https://github.com/dotnet/runtime/pull/95157#issuecomment-1842784399 for a
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> comment by the researcher who published the vulnerability and proposed the
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> change in OpenSSL.
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For more details, see:
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https://github.com/dotnet/runtime/pull/95216#issuecomment-1842799314
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---
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.../RSA/EncryptDecrypt.cs | 49 ++++---------------
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.../opensslshim.h | 6 ---
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.../pal_evp_pkey_rsa.c | 13 -----
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3 files changed, 10 insertions(+), 58 deletions(-)
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diff --git a/src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/EncryptDecrypt.cs b/src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/EncryptDecrypt.cs
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index 55a044d62a6..e72d42e87d2 100644
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--- a/src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/EncryptDecrypt.cs
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+++ b/src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/EncryptDecrypt.cs
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@@ -338,10 +338,19 @@ private void RsaCryptRoundtrip(RSAEncryptionPadding paddingMode, bool expectSucc
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Assert.Equal(TestData.HelloBytes, output);
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}
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- [ConditionalFact(nameof(PlatformSupportsEmptyRSAEncryption))]
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+ [ConditionalFact]
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[SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework)]
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public void RoundtripEmptyArray()
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{
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+ if (OperatingSystem.IsIOS() && !OperatingSystem.IsIOSVersionAtLeast(13, 6))
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+ {
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+ throw new SkipTestException("iOS prior to 13.6 does not reliably support RSA encryption of empty data.");
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+ }
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+ if (OperatingSystem.IsTvOS() && !OperatingSystem.IsTvOSVersionAtLeast(14, 0))
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+ {
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+ throw new SkipTestException("tvOS prior to 14.0 does not reliably support RSA encryption of empty data.");
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+ }
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+
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using (RSA rsa = RSAFactory.Create(TestData.RSA2048Params))
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{
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void RoundtripEmpty(RSAEncryptionPadding paddingMode)
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@@ -692,26 +701,6 @@ public void NotSupportedValueMethods()
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}
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}
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- [ConditionalTheory]
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- [InlineData(new byte[] { 1, 2, 3, 4 })]
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- [InlineData(new byte[0])]
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- public void Decrypt_Pkcs1_ErrorsForInvalidPadding(byte[] data)
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- {
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- if (data.Length == 0 && !PlatformSupportsEmptyRSAEncryption)
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- {
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- throw new SkipTestException("Platform does not support RSA encryption of empty data.");
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- }
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-
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- using (RSA rsa = RSAFactory.Create(TestData.RSA2048Params))
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- {
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- byte[] encrypted = Encrypt(rsa, data, RSAEncryptionPadding.Pkcs1);
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- encrypted[1] ^= 0xFF;
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-
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- // PKCS#1, the data, and the key are all deterministic so this should always throw an exception.
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- Assert.ThrowsAny<CryptographicException>(() => Decrypt(rsa, encrypted, RSAEncryptionPadding.Pkcs1));
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- }
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- }
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-
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public static IEnumerable<object[]> OaepPaddingModes
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{
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get
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@@ -726,23 +715,5 @@ public static IEnumerable<object[]> OaepPaddingModes
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}
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}
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}
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-
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- public static bool PlatformSupportsEmptyRSAEncryption
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- {
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- get
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- {
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- if (OperatingSystem.IsIOS() && !OperatingSystem.IsIOSVersionAtLeast(13, 6))
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- {
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- return false;
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- }
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-
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- if (OperatingSystem.IsTvOS() && !OperatingSystem.IsTvOSVersionAtLeast(14, 0))
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- {
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- return false;
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- }
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-
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- return true;
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- }
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- }
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}
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}
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diff --git a/src/libraries/Native/Unix/System.Security.Cryptography.Native/opensslshim.h b/src/libraries/Native/Unix/System.Security.Cryptography.Native/opensslshim.h
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index 050df1193ff..dad18ebd9a1 100644
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--- a/src/libraries/Native/Unix/System.Security.Cryptography.Native/opensslshim.h
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+++ b/src/libraries/Native/Unix/System.Security.Cryptography.Native/opensslshim.h
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@@ -272,10 +272,8 @@ const EVP_CIPHER* EVP_chacha20_poly1305(void);
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REQUIRED_FUNCTION(ERR_peek_error) \
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REQUIRED_FUNCTION(ERR_peek_error_line) \
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REQUIRED_FUNCTION(ERR_peek_last_error) \
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- REQUIRED_FUNCTION(ERR_pop_to_mark) \
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FALLBACK_FUNCTION(ERR_put_error) \
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REQUIRED_FUNCTION(ERR_reason_error_string) \
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- REQUIRED_FUNCTION(ERR_set_mark) \
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LIGHTUP_FUNCTION(ERR_set_debug) \
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LIGHTUP_FUNCTION(ERR_set_error) \
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REQUIRED_FUNCTION(EVP_aes_128_cbc) \
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@@ -330,7 +328,6 @@ const EVP_CIPHER* EVP_chacha20_poly1305(void);
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REQUIRED_FUNCTION(EVP_PKCS82PKEY) \
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REQUIRED_FUNCTION(EVP_PKEY2PKCS8) \
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REQUIRED_FUNCTION(EVP_PKEY_CTX_ctrl) \
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- REQUIRED_FUNCTION(EVP_PKEY_CTX_ctrl_str) \
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REQUIRED_FUNCTION(EVP_PKEY_CTX_free) \
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REQUIRED_FUNCTION(EVP_PKEY_CTX_get0_pkey) \
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REQUIRED_FUNCTION(EVP_PKEY_CTX_new) \
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@@ -728,10 +725,8 @@ FOR_ALL_OPENSSL_FUNCTIONS
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#define ERR_peek_error_line ERR_peek_error_line_ptr
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#define ERR_peek_last_error ERR_peek_last_error_ptr
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#define ERR_put_error ERR_put_error_ptr
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-#define ERR_pop_to_mark ERR_pop_to_mark_ptr
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#define ERR_reason_error_string ERR_reason_error_string_ptr
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#define ERR_set_debug ERR_set_debug_ptr
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-#define ERR_set_mark ERR_set_mark_ptr
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#define ERR_set_error ERR_set_error_ptr
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#define EVP_aes_128_cbc EVP_aes_128_cbc_ptr
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#define EVP_aes_128_cfb8 EVP_aes_128_cfb8_ptr
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@@ -785,7 +780,6 @@ FOR_ALL_OPENSSL_FUNCTIONS
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#define EVP_PKCS82PKEY EVP_PKCS82PKEY_ptr
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#define EVP_PKEY2PKCS8 EVP_PKEY2PKCS8_ptr
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#define EVP_PKEY_CTX_ctrl EVP_PKEY_CTX_ctrl_ptr
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-#define EVP_PKEY_CTX_ctrl_str EVP_PKEY_CTX_ctrl_str_ptr
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#define EVP_PKEY_CTX_free EVP_PKEY_CTX_free_ptr
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#define EVP_PKEY_CTX_get0_pkey EVP_PKEY_CTX_get0_pkey_ptr
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#define EVP_PKEY_CTX_new EVP_PKEY_CTX_new_ptr
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diff --git a/src/libraries/Native/Unix/System.Security.Cryptography.Native/pal_evp_pkey_rsa.c b/src/libraries/Native/Unix/System.Security.Cryptography.Native/pal_evp_pkey_rsa.c
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index c3e491a868f..36924abb505 100644
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--- a/src/libraries/Native/Unix/System.Security.Cryptography.Native/pal_evp_pkey_rsa.c
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+++ b/src/libraries/Native/Unix/System.Security.Cryptography.Native/pal_evp_pkey_rsa.c
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@@ -63,19 +63,6 @@ static bool ConfigureEncryption(EVP_PKEY_CTX* ctx, RsaPaddingMode padding, const
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{
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return false;
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}
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-
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- // OpenSSL 3.2 introduced a change where PKCS#1 RSA decryption does not fail for invalid padding.
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- // If the padding is invalid, the decryption operation returns random data.
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- // See https://github.com/openssl/openssl/pull/13817 for background.
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- // Some Linux distributions backported this change to previous versions of OpenSSL.
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- // Here we do a best-effort to set a flag to revert the behavior to failing if the padding is invalid.
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- ERR_set_mark();
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-
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- EVP_PKEY_CTX_ctrl_str(ctx, "rsa_pkcs1_implicit_rejection", "0");
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-
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- // Undo any changes to the error queue that may have occured while configuring implicit rejection if the
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- // current version does not support implicit rejection.
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- ERR_pop_to_mark();
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}
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else
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{
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--
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2.43.0
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Loading…
Reference in new issue