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https://github.com/aria2/aria2.git
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3cdde0f425
We moved @CPPUNIT_LIBS@ to later position. This is because in my development environment, it adds linker search directory which contains system default openssl, while I'd like to use my custom openssl installation. This fix is not universal, since other libraries can do the same thing. It is a bit hard to fix this properly because we mix -L and -l in a same variable.
125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2013 Nils Maier
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "MessageDigestImpl.h"
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#include <openssl/evp.h>
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#include "Adler32MessageDigestImpl.h"
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#include "libssl_compat.h"
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namespace aria2 {
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#if !OPENSSL_101_API
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namespace {
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EVP_MD_CTX* EVP_MD_CTX_new() { return EVP_MD_CTX_create(); }
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} // namespace
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namespace {
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void EVP_MD_CTX_free(EVP_MD_CTX* ctx) { EVP_MD_CTX_destroy(ctx); }
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} // namespace
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namespace {
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int EVP_MD_CTX_reset(EVP_MD_CTX* ctx)
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{
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EVP_MD_CTX_init(ctx);
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return 1;
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}
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} // namespace
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#endif // !OPENSSL_101_API
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template <const EVP_MD* (*init_fn)()>
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class MessageDigestBase : public MessageDigestImpl {
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public:
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MessageDigestBase()
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: ctx_(EVP_MD_CTX_new()), md_(init_fn()), len_(EVP_MD_size(md_))
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{
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EVP_MD_CTX_reset(ctx_);
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reset();
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}
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virtual ~MessageDigestBase() { EVP_MD_CTX_free(ctx_); }
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static size_t length() { return EVP_MD_size(init_fn()); }
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virtual size_t getDigestLength() const CXX11_OVERRIDE { return len_; }
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virtual void reset() CXX11_OVERRIDE { EVP_DigestInit_ex(ctx_, md_, nullptr); }
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virtual void update(const void* data, size_t length) CXX11_OVERRIDE
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{
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auto bytes = reinterpret_cast<const char*>(data);
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while (length) {
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size_t l = std::min(length, (size_t)std::numeric_limits<uint32_t>::max());
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EVP_DigestUpdate(ctx_, bytes, l);
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length -= l;
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bytes += l;
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}
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}
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virtual void digest(unsigned char* md) CXX11_OVERRIDE
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{
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unsigned int len;
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EVP_DigestFinal_ex(ctx_, md, &len);
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}
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private:
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EVP_MD_CTX* ctx_;
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const EVP_MD* md_;
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const size_t len_;
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};
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typedef MessageDigestBase<EVP_md5> MessageDigestMD5;
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typedef MessageDigestBase<EVP_sha1> MessageDigestSHA1;
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std::unique_ptr<MessageDigestImpl> MessageDigestImpl::sha1()
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{
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return make_unique<MessageDigestSHA1>();
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}
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MessageDigestImpl::hashes_t MessageDigestImpl::hashes = {
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{"sha-1", make_hi<MessageDigestSHA1>()},
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#ifdef HAVE_EVP_SHA224
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{"sha-224", make_hi<MessageDigestBase<EVP_sha224>>()},
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#endif
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#ifdef HAVE_EVP_SHA224
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{"sha-256", make_hi<MessageDigestBase<EVP_sha256>>()},
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#endif
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#ifdef HAVE_EVP_SHA224
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{"sha-384", make_hi<MessageDigestBase<EVP_sha384>>()},
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#endif
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#ifdef HAVE_EVP_SHA224
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{"sha-512", make_hi<MessageDigestBase<EVP_sha512>>()},
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#endif
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{"md5", make_hi<MessageDigestMD5>()},
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ADLER32_MESSAGE_DIGEST};
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} // namespace aria2
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