1027d52e7d
By default, the PFXImportCertStore API persists the key in the user's key store (as though the certificate was being imported for permanent, ongoing use.) The documentation specifies that keys that are not to be persisted should be imported with the flag PKCS12_NO_PERSIST_KEY. NOTE: this flag is only supported on versions of Windows newer than XP and Server 2003. -- This is take 2 of the original fix. It extends the lifetime of the client certificate store to that of the credential handle. The original fix which landed in70d010dand was later reverted inaec8d30failed to work properly because it did not do that. Minor changes were made to the schannel credential context to support closing the client certificate store handle at the end of an SSL session. -- Reported-by: ShadowZzj@users.noreply.github.com Fixes https://github.com/curl/curl/issues/9300 Supersedes https://github.com/curl/curl/pull/9363 Closes https://github.com/curl/curl/pull/9460
201 lines
6.0 KiB
C
201 lines
6.0 KiB
C
#ifndef HEADER_CURL_SCHANNEL_H
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#define HEADER_CURL_SCHANNEL_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2012, Marc Hoersken, <info@marc-hoersken.de>, et al.
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* Copyright (C) 2012 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef USE_SCHANNEL
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#define SCHANNEL_USE_BLACKLISTS 1
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable: 4201)
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#endif
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#include <subauth.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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/* Wincrypt must be included before anything that could include OpenSSL. */
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#if defined(USE_WIN32_CRYPTO)
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#include <wincrypt.h>
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/* Undefine wincrypt conflicting symbols for BoringSSL. */
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#undef X509_NAME
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#undef X509_EXTENSIONS
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#undef PKCS7_ISSUER_AND_SERIAL
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#undef PKCS7_SIGNER_INFO
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#undef OCSP_REQUEST
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#undef OCSP_RESPONSE
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#endif
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#include <schnlsp.h>
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#include <schannel.h>
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#include "curl_sspi.h"
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#include "urldata.h"
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/* <wincrypt.h> has been included via the above <schnlsp.h>.
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* Or in case of ldap.c, it was included via <winldap.h>.
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* And since <wincrypt.h> has this:
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* #define X509_NAME ((LPCSTR) 7)
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*
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* And in BoringSSL's <openssl/base.h> there is:
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* typedef struct X509_name_st X509_NAME;
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* etc.
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*
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* this will cause all kinds of C-preprocessing paste errors in
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* BoringSSL's <openssl/x509.h>: So just undefine those defines here
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* (and only here).
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*/
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#if defined(HAVE_BORINGSSL) || defined(OPENSSL_IS_BORINGSSL)
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# undef X509_NAME
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# undef X509_CERT_PAIR
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# undef X509_EXTENSIONS
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#endif
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extern const struct Curl_ssl Curl_ssl_schannel;
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CURLcode Curl_verify_certificate(struct Curl_easy *data,
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struct connectdata *conn, int sockindex);
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/* structs to expose only in schannel.c and schannel_verify.c */
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#ifdef EXPOSE_SCHANNEL_INTERNAL_STRUCTS
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#include <wincrypt.h>
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#ifdef __MINGW32__
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#ifdef __MINGW64_VERSION_MAJOR
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#define HAS_MANUAL_VERIFY_API
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#endif
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#else
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#ifdef CERT_CHAIN_REVOCATION_CHECK_CHAIN
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#define HAS_MANUAL_VERIFY_API
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#endif
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#endif
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#if defined(CryptStringToBinary) && defined(CRYPT_STRING_HEX) \
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&& !defined(DISABLE_SCHANNEL_CLIENT_CERT)
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#define HAS_CLIENT_CERT_PATH
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#endif
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#ifndef SCH_CREDENTIALS_VERSION
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#define SCH_CREDENTIALS_VERSION 0x00000005
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typedef enum _eTlsAlgorithmUsage
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{
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TlsParametersCngAlgUsageKeyExchange,
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TlsParametersCngAlgUsageSignature,
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TlsParametersCngAlgUsageCipher,
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TlsParametersCngAlgUsageDigest,
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TlsParametersCngAlgUsageCertSig
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} eTlsAlgorithmUsage;
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typedef struct _CRYPTO_SETTINGS
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{
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eTlsAlgorithmUsage eAlgorithmUsage;
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UNICODE_STRING strCngAlgId;
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DWORD cChainingModes;
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PUNICODE_STRING rgstrChainingModes;
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DWORD dwMinBitLength;
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DWORD dwMaxBitLength;
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} CRYPTO_SETTINGS, * PCRYPTO_SETTINGS;
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typedef struct _TLS_PARAMETERS
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{
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DWORD cAlpnIds;
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PUNICODE_STRING rgstrAlpnIds;
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DWORD grbitDisabledProtocols;
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DWORD cDisabledCrypto;
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PCRYPTO_SETTINGS pDisabledCrypto;
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DWORD dwFlags;
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} TLS_PARAMETERS, * PTLS_PARAMETERS;
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typedef struct _SCH_CREDENTIALS
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{
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DWORD dwVersion;
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DWORD dwCredFormat;
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DWORD cCreds;
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PCCERT_CONTEXT* paCred;
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HCERTSTORE hRootStore;
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DWORD cMappers;
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struct _HMAPPER **aphMappers;
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DWORD dwSessionLifespan;
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DWORD dwFlags;
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DWORD cTlsParameters;
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PTLS_PARAMETERS pTlsParameters;
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} SCH_CREDENTIALS, * PSCH_CREDENTIALS;
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#define SCH_CRED_MAX_SUPPORTED_PARAMETERS 16
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#define SCH_CRED_MAX_SUPPORTED_ALPN_IDS 16
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#define SCH_CRED_MAX_SUPPORTED_CRYPTO_SETTINGS 16
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#define SCH_CRED_MAX_SUPPORTED_CHAINING_MODES 16
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#endif
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struct Curl_schannel_cred {
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CredHandle cred_handle;
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TimeStamp time_stamp;
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TCHAR *sni_hostname;
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#ifdef HAS_CLIENT_CERT_PATH
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HCERTSTORE client_cert_store;
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#endif
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int refcount;
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};
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struct Curl_schannel_ctxt {
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CtxtHandle ctxt_handle;
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TimeStamp time_stamp;
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};
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struct ssl_backend_data {
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struct Curl_schannel_cred *cred;
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struct Curl_schannel_ctxt *ctxt;
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SecPkgContext_StreamSizes stream_sizes;
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size_t encdata_length, decdata_length;
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size_t encdata_offset, decdata_offset;
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unsigned char *encdata_buffer, *decdata_buffer;
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/* encdata_is_incomplete: if encdata contains only a partial record that
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can't be decrypted without another Curl_read_plain (that is, status is
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SEC_E_INCOMPLETE_MESSAGE) then set this true. after Curl_read_plain writes
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more bytes into encdata then set this back to false. */
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bool encdata_is_incomplete;
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unsigned long req_flags, ret_flags;
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CURLcode recv_unrecoverable_err; /* schannel_recv had an unrecoverable err */
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bool recv_sspi_close_notify; /* true if connection closed by close_notify */
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bool recv_connection_closed; /* true if connection closed, regardless how */
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bool recv_renegotiating; /* true if recv is doing renegotiation */
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bool use_alpn; /* true if ALPN is used for this connection */
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#ifdef HAS_MANUAL_VERIFY_API
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bool use_manual_cred_validation; /* true if manual cred validation is used */
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#endif
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};
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#endif /* EXPOSE_SCHANNEL_INTERNAL_STRUCTS */
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#endif /* USE_SCHANNEL */
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#endif /* HEADER_CURL_SCHANNEL_H */
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