mirror of
https://github.com/Sude-/lgogdownloader.git
synced 2024-11-20 03:39:17 +01:00
Remove support for OpenSSL <= 1.0.2
Removes openssl thread locking callbacks required by OpenSSL <= 1.0.2 Other SSL libraries and newer OpenSSL should be handled by libcurl in a way that is thread-safe
This commit is contained in:
Sude
parent
521eea8522
commit
f69747bb88
@ -2,7 +2,6 @@ cmake_minimum_required(VERSION 3.0.0 FATAL_ERROR)
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project (lgogdownloader LANGUAGES C CXX VERSION 3.8)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
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set(LINK_LIBCRYPTO 0)
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# Disable search for boost-cmake
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# Fixes building with Boost >= 1.70.0
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@ -27,19 +26,6 @@ find_package(Boost
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iostreams
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)
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find_package(CURL 7.32.0 REQUIRED)
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if(CURL_FOUND)
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execute_process(
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COMMAND ${READELF} -d ${CURL_LIBRARIES}
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COMMAND ${GREP} -q "libssl\\|libcrypto"
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RESULT_VARIABLE READELF_RESULT_VAR
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)
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if(READELF_RESULT_VAR EQUAL 0)
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add_definitions(-DSSL_THREAD_SETUP_OPENSSL=1)
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find_package(Libcrypto REQUIRED)
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set(LINK_LIBCRYPTO 1)
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endif(READELF_RESULT_VAR EQUAL 0)
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endif(CURL_FOUND)
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find_package(Jsoncpp REQUIRED)
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find_package(Htmlcxx REQUIRED)
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find_package(Tinyxml2 REQUIRED)
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@ -154,12 +140,6 @@ if (NOT ATOMIC_BUILD_SUCCEEDED)
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endif ()
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file(REMOVE ${CMAKE_BINARY_DIR}/test_atomic.cpp)
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if(LINK_LIBCRYPTO EQUAL 1)
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target_link_libraries(${PROJECT_NAME}
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PRIVATE ${Libcrypto_LIBRARIES}
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)
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endif(LINK_LIBCRYPTO EQUAL 1)
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if(USE_QT_GUI)
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target_link_libraries(${PROJECT_NAME}
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PRIVATE Qt5::Widgets
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@ -11,22 +11,19 @@ It uses the same API as GOG Galaxy which doesn't have Linux support at the momen
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* [htmlcxx](http://htmlcxx.sourceforge.net/)
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* [tinyxml2](https://github.com/leethomason/tinyxml2)
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* [boost](http://www.boost.org/) (regex, date-time, system, filesystem, program-options, iostreams)
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* [libcrypto](https://www.openssl.org/) if libcurl is built with OpenSSL
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* [zlib](https://www.zlib.net/)
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* [qtwebengine](https://www.qt.io/) if built with -DUSE_QT_GUI=ON
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## Make dependencies
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* [cmake](https://cmake.org/) >= 3.0.0
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* [help2man](https://www.gnu.org/software/help2man/help2man.html) (optional, man page generation)
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* [grep](https://www.gnu.org/software/grep/)
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* [binutils](https://www.gnu.org/software/binutils/) (readelf)
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### Debian/Ubuntu
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# apt install build-essential libcurl4-openssl-dev libboost-regex-dev \
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libjsoncpp-dev librhash-dev libtinyxml2-dev libhtmlcxx-dev \
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libboost-system-dev libboost-filesystem-dev libboost-program-options-dev \
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libboost-date-time-dev libboost-iostreams-dev help2man cmake libssl-dev \
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libboost-date-time-dev libboost-iostreams-dev help2man cmake \
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pkg-config zlib1g-dev qtwebengine5-dev
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## Build and install
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@ -1,27 +0,0 @@
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# - Try to find libcrypto
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#
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# Once done this will define
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# Libcrypto_FOUND - System has libcrypto
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# Libcrypto_INCLUDE_DIRS - The libcrypto include directories
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# Libcrypto_LIBRARIES - The libraries needed to use libcrypto
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find_package(PkgConfig)
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pkg_check_modules(PC_LIBCRYPTO REQUIRED libcrypto)
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find_path(LIBCRYPTO_INCLUDE_DIR openssl/crypto.h
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HINTS ${PC_LIBCRYPTO_INCLUDEDIR}
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${PC_LIBCRYPTO_INCLUDE_DIRS}
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)
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find_library(LIBCRYPTO_LIBRARY NAMES crypto
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HINTS ${PC_LIBCRYPTO_LIBDIR}
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${PC_LIBCRYPTO_LIBRARY_DIRS}
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)
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mark_as_advanced(LIBCRYPTO_INCLUDE_DIR LIBCRYPTO_LIBRARY)
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if(PC_LIBCRYPTO_FOUND)
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set(Libcrypto_FOUND ON)
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set(Libcrypto_INCLUDE_DIRS ${LIBCRYPTO_INCLUDE_DIR})
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set(Libcrypto_LIBRARIES ${LIBCRYPTO_LIBRARY})
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endif(PC_LIBCRYPTO_FOUND)
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@ -1,64 +0,0 @@
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/* This program is free software. It comes without any warranty, to
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* the extent permitted by applicable law. You can redistribute it
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* and/or modify it under the terms of the Do What The Fuck You Want
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* To Public License, Version 2, as published by Sam Hocevar. See
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* http://www.wtfpl.net/ for more details. */
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#ifndef SSL_THREAD_SETUP_H
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#define SSL_THREAD_SETUP_H
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#include <thread>
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#include <mutex>
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#if SSL_THREAD_SETUP_OPENSSL == 1
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#include <openssl/crypto.h>
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static std::mutex* ssl_mutex_array;
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void thread_locking_callback(int mode, int n, const char* file, int line)
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{
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// suppress -Wunused-parameter messages by casting these variables to void
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(void) file;
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(void) line;
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if(mode & CRYPTO_LOCK)
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ssl_mutex_array[n].lock();
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else
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ssl_mutex_array[n].unlock();
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}
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unsigned long thread_id_callback()
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{
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return (unsigned long)std::hash<std::thread::id>() (std::this_thread::get_id());
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}
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int ssl_thread_setup()
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{
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ssl_mutex_array = new std::mutex[CRYPTO_num_locks()];
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if(!ssl_mutex_array)
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return 0;
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else
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{
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CRYPTO_set_id_callback(thread_id_callback);
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CRYPTO_set_locking_callback(thread_locking_callback);
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}
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return 1;
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}
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int ssl_thread_cleanup()
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{
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if(!ssl_mutex_array)
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return 0;
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CRYPTO_set_id_callback(NULL);
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CRYPTO_set_locking_callback(NULL);
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delete[] ssl_mutex_array;
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ssl_mutex_array = NULL;
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return 1;
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}
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#else
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#define ssl_thread_setup()
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#define ssl_thread_cleanup()
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#endif
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#endif // SSL_THREAD_SETUP_H
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9
main.cpp
9
main.cpp
@ -8,7 +8,6 @@
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#include "config.h"
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#include "util.h"
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#include "globalconstants.h"
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#include "ssl_thread_setup.h"
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#include "galaxyapi.h"
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#include "globals.h"
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@ -602,7 +601,6 @@ int main(int argc, char *argv[])
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}
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// Init curl globally
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ssl_thread_setup();
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curl_global_init(CURL_GLOBAL_ALL);
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Downloader downloader;
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@ -632,7 +630,6 @@ int main(int argc, char *argv[])
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if (!bLoginOK && !bIsLoggedin)
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{
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 1;
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}
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@ -696,7 +693,6 @@ int main(int argc, char *argv[])
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if (Globals::globalConfig.bSaveConfig)
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{
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 0;
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}
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}
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@ -704,7 +700,6 @@ int main(int argc, char *argv[])
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{
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std::cerr << "Failed to create config: " << Globals::globalConfig.sConfigFilePath << std::endl;
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 1;
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}
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}
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@ -718,14 +713,12 @@ int main(int argc, char *argv[])
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Util::setFilePermissions(Globals::globalConfig.sConfigFilePath, boost::filesystem::owner_read | boost::filesystem::owner_write);
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 0;
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}
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else
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{
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std::cerr << "Failed to create config: " << Globals::globalConfig.sConfigFilePath << std::endl;
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 1;
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}
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}
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@ -734,7 +727,6 @@ int main(int argc, char *argv[])
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if (!bInitOK)
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{
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curl_global_cleanup();
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ssl_thread_cleanup();
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return 1;
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}
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@ -802,7 +794,6 @@ int main(int argc, char *argv[])
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downloader.checkOrphans();
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curl_global_cleanup();
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ssl_thread_cleanup();
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return res;
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}
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