diff options
Diffstat (limited to 'src/lib/utils/os_utils.cpp')
-rw-r--r-- | src/lib/utils/os_utils.cpp | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/lib/utils/os_utils.cpp b/src/lib/utils/os_utils.cpp index d516e7600..ebfd7fa88 100644 --- a/src/lib/utils/os_utils.cpp +++ b/src/lib/utils/os_utils.cpp @@ -12,16 +12,6 @@ #include <botan/mem_ops.h> #include <chrono> -#if defined(BOTAN_HAS_BOOST_ASIO) - /* - * We don't need serial port support anyway, and asking for it - * causes macro conflicts with Darwin's termios.h when this - * file is included in the amalgamation. GH #350 - */ - #define BOOST_ASIO_DISABLE_SERIAL_PORT - #include <boost/asio.hpp> -#endif - #if defined(BOTAN_TARGET_OS_HAS_EXPLICIT_BZERO) #include <string.h> #endif @@ -34,267 +24,13 @@ #include <setjmp.h> #include <unistd.h> #include <errno.h> - -#if !defined(BOTAN_HAS_BOOST_ASIO) - #include <sys/socket.h> - #include <netinet/in.h> - #include <netdb.h> -#endif - #elif defined(BOTAN_TARGET_OS_TYPE_IS_WINDOWS) #define NOMINMAX 1 -#if !defined(BOTAN_HAS_BOOST_ASIO) - #include <winsock2.h> - #include <ws2tcpip.h> -#endif #include <windows.h> #endif namespace Botan { -namespace { - -#if defined(BOTAN_HAS_BOOST_ASIO) - -class Asio_Socket final : public OS::Socket - { - public: - Asio_Socket(const std::string& hostname, const std::string& service) : - m_tcp(m_io) - { - boost::asio::ip::tcp::resolver resolver(m_io); - boost::asio::ip::tcp::resolver::query query(hostname, service); - boost::asio::connect(m_tcp, resolver.resolve(query)); - } - - void write(const uint8_t buf[], size_t len) override - { - boost::asio::write(m_tcp, boost::asio::buffer(buf, len)); - } - - size_t read(uint8_t buf[], size_t len) override - { - boost::system::error_code error; - size_t got = m_tcp.read_some(boost::asio::buffer(buf, len), error); - - if(error) - { - if(error == boost::asio::error::eof) - return 0; - throw boost::system::system_error(error); // Some other error. - } - - return got; - } - - private: - boost::asio::io_service m_io; - boost::asio::ip::tcp::socket m_tcp; - }; - -#elif defined(BOTAN_TARGET_OS_TYPE_IS_WINDOWS) - -class Winsock_Socket final : public OS::Socket - { - public: - Winsock_Socket(const std::string& hostname, const std::string& service) - { - WSAData wsa_data; - WORD wsa_version = MAKEWORD(2, 2); - - if (::WSAStartup(wsa_version, &wsa_data) != 0) - { - throw Exception("WSAStartup() failed: " + std::to_string(WSAGetLastError())); - } - - if (LOBYTE(wsa_data.wVersion) != 2 || HIBYTE(wsa_data.wVersion) != 2) - { - ::WSACleanup(); - throw Exception("Could not find a usable version of Winsock.dll"); - } - - addrinfo hints; - ::memset(&hints, 0, sizeof(addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - addrinfo* res; - - if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) - { - throw Exception("Name resolution failed for " + hostname); - } - - for(addrinfo* rp = res; (m_socket == INVALID_SOCKET) && (rp != nullptr); rp = rp->ai_next) - { - m_socket = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - - // unsupported socket type? - if(m_socket == INVALID_SOCKET) - continue; - - if(::connect(m_socket, rp->ai_addr, rp->ai_addrlen) != 0) - { - ::closesocket(m_socket); - m_socket = INVALID_SOCKET; - continue; - } - } - - ::freeaddrinfo(res); - - if(m_socket == INVALID_SOCKET) - { - throw Exception("Connecting to " + hostname + - " for service " + service + " failed"); - } - } - - ~Winsock_Socket() - { - ::closesocket(m_socket); - m_socket = INVALID_SOCKET; - ::WSACleanup(); - } - - void write(const uint8_t buf[], size_t len) override - { - size_t sent_so_far = 0; - while(sent_so_far != len) - { - const size_t left = len - sent_so_far; - int sent = ::send(m_socket, - cast_uint8_ptr_to_char(buf + sent_so_far), - static_cast<int>(left), - 0); - - if(sent == SOCKET_ERROR) - throw Exception("Socket write failed with error " + - std::to_string(::WSAGetLastError())); - else - sent_so_far += static_cast<size_t>(sent); - } - } - - size_t read(uint8_t buf[], size_t len) override - { - int got = ::recv(m_socket, - cast_uint8_ptr_to_char(buf), - static_cast<int>(len), 0); - - if(got == SOCKET_ERROR) - throw Exception("Socket read failed with error " + - std::to_string(::WSAGetLastError())); - return static_cast<size_t>(got); - } - - private: - SOCKET m_socket = INVALID_SOCKET; - }; - -#elif defined(BOTAN_TARGET_OS_TYPE_IS_UNIX) -class BSD_Socket final : public OS::Socket - { - public: - BSD_Socket(const std::string& hostname, const std::string& service) - { - addrinfo hints; - ::memset(&hints, 0, sizeof(addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - addrinfo* res; - - if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) - { - throw Exception("Name resolution failed for " + hostname); - } - - m_fd = -1; - - for(addrinfo* rp = res; (m_fd < 0) && (rp != nullptr); rp = rp->ai_next) - { - m_fd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - - if(m_fd < 0) - { - // unsupported socket type? - continue; - } - - if(::connect(m_fd, rp->ai_addr, rp->ai_addrlen) != 0) - { - ::close(m_fd); - m_fd = -1; - continue; - } - } - - ::freeaddrinfo(res); - - if(m_fd < 0) - { - throw Exception("Connecting to " + hostname + - " for service " + service + " failed"); - } - } - - ~BSD_Socket() - { - ::close(m_fd); - m_fd = -1; - } - - void write(const uint8_t buf[], size_t len) override - { - size_t sent_so_far = 0; - while(sent_so_far != len) - { - const size_t left = len - sent_so_far; - ssize_t sent = ::write(m_fd, &buf[sent_so_far], left); - if(sent < 0) - throw Exception("Socket write failed with error '" + - std::string(::strerror(errno)) + "'"); - else - sent_so_far += static_cast<size_t>(sent); - } - } - - size_t read(uint8_t buf[], size_t len) override - { - ssize_t got = ::read(m_fd, buf, len); - - if(got < 0) - throw Exception("Socket read failed with error '" + - std::string(::strerror(errno)) + "'"); - return static_cast<size_t>(got); - } - - private: - int m_fd; - }; - -#endif - -} - -std::unique_ptr<OS::Socket> -OS::open_socket(const std::string& hostname, - const std::string& service) - { -#if defined(BOTAN_HAS_BOOST_ASIO) - return std::unique_ptr<OS::Socket>(new Asio_Socket(hostname, service)); - -#elif defined(BOTAN_TARGET_OS_TYPE_IS_WINDOWS) - return std::unique_ptr<OS::Socket>(new Winsock_Socket(hostname, service)); - -#elif defined(BOTAN_TARGET_OS_TYPE_IS_UNIX) - return std::unique_ptr<OS::Socket>(new BSD_Socket(hostname, service)); - -#else - // No sockets for you - return std::unique_ptr<Socket>(); -#endif - } - // Not defined in OS namespace for historical reasons void secure_scrub_memory(void* ptr, size_t n) { |