diff options
Diffstat (limited to 'src/lib/utils/os_utils.cpp')
| -rw-r--r-- | src/lib/utils/os_utils.cpp | 386 |
1 files changed, 193 insertions, 193 deletions
diff --git a/src/lib/utils/os_utils.cpp b/src/lib/utils/os_utils.cpp index 261fb5f1f..275cfac3b 100644 --- a/src/lib/utils/os_utils.cpp +++ b/src/lib/utils/os_utils.cpp @@ -47,232 +47,241 @@ namespace Botan { -std::unique_ptr<OS::Socket> -OS::open_socket(const std::string& hostname, - const std::string& service) - { +namespace { + #if defined(BOTAN_HAS_BOOST_ASIO) - class Asio_Socket : 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) - { - boost::asio::write(m_tcp, boost::asio::buffer(buf, len)); - } +class Asio_Socket : 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)); + } - size_t read(uint8_t buf[], size_t len) - { - boost::system::error_code error; - size_t got = m_tcp.read_some(boost::asio::buffer(buf, len), error); + void write(const uint8_t buf[], size_t len) override + { + boost::asio::write(m_tcp, boost::asio::buffer(buf, len)); + } - if(error) - { - if(error == boost::asio::error::eof) - return 0; - throw boost::system::system_error(error); // Some other error. - } + 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); - return got; + if(error) + { + if(error == boost::asio::error::eof) + return 0; + throw boost::system::system_error(error); // Some other error. } - private: - boost::asio::io_service m_io; - boost::asio::ip::tcp::socket m_tcp; - }; + return got; + } - return std::unique_ptr<OS::Socket>(new Asio_Socket(hostname, service)); + 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 : 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"); - } +class Winsock_Socket : public OS::Socket + { + public: + Winsock_Socket(const std::string& hostname, const std::string& service) + { + WSAData wsa_data; + WORD wsa_version = MAKEWORD(2, 2); - addrinfo hints; - ::memset(&hints, 0, sizeof(addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - addrinfo* res; + if (::WSAStartup(wsa_version, &wsa_data) != 0) + { + throw Exception("WSAStartup() failed: " + std::to_string(WSAGetLastError())); + } - if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) - { - throw Exception("Name resolution failed for " + hostname); - } + if (LOBYTE(wsa_data.wVersion) != 2 || HIBYTE(wsa_data.wVersion) != 2) + { + ::WSACleanup(); + throw Exception("Could not find a usable version of Winsock.dll"); + } - 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); + addrinfo hints; + ::memset(&hints, 0, sizeof(addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + addrinfo* res; - // 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; - } - } + if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) + { + throw Exception("Name resolution failed for " + hostname); + } - ::freeaddrinfo(res); + 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) { - throw Exception("Connecting to " + hostname + - " for service " + service + " failed"); + ::closesocket(m_socket); + m_socket = INVALID_SOCKET; + continue; } } - ~Winsock_Socket() - { - ::closesocket(m_socket); - m_socket = INVALID_SOCKET; - ::WSACleanup(); - } + ::freeaddrinfo(res); - void write(const uint8_t buf[], size_t len) + if(m_socket == INVALID_SOCKET) { - size_t sent_so_far = 0; - while(sent_so_far != len) - { - const size_t left = len - sent_so_far; - int sent = ::send(m_socket, - reinterpret_cast<const 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); - } + throw Exception("Connecting to " + hostname + + " for service " + service + " failed"); } + } - size_t read(uint8_t buf[], size_t len) - { - int got = ::recv(m_socket, - reinterpret_cast<char*>(buf), - static_cast<int>(len), 0); + ~Winsock_Socket() + { + ::closesocket(m_socket); + m_socket = INVALID_SOCKET; + ::WSACleanup(); + } - if(got == SOCKET_ERROR) - throw Exception("Socket read failed with error " + + 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, + reinterpret_cast<const 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())); - return static_cast<size_t>(got); + else + sent_so_far += static_cast<size_t>(sent); } + } - private: - SOCKET m_socket = INVALID_SOCKET; - }; + size_t read(uint8_t buf[], size_t len) override + { + int got = ::recv(m_socket, + reinterpret_cast<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); + } - return std::unique_ptr<OS::Socket>(new Winsock_Socket(hostname, service)); + private: + SOCKET m_socket = INVALID_SOCKET; + }; #elif defined(BOTAN_TARGET_OS_TYPE_IS_UNIX) +class BSD_Socket : 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; - class BSD_Socket : public OS::Socket - { - public: - BSD_Socket(const std::string& hostname, const std::string& service) + if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) { - addrinfo hints; - ::memset(&hints, 0, sizeof(addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - addrinfo* res; + throw Exception("Name resolution failed for " + hostname); + } - if(::getaddrinfo(hostname.c_str(), service.c_str(), &hints, &res) != 0) - { - throw Exception("Name resolution failed for " + hostname); - } + m_fd = -1; - 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); - for(addrinfo* rp = res; (m_fd < 0) && (rp != nullptr); rp = rp->ai_next) + if(m_fd < 0) { - 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; - } + // unsupported socket type? + continue; } - ::freeaddrinfo(res); - - if(m_fd < 0) + if(::connect(m_fd, rp->ai_addr, rp->ai_addrlen) != 0) { - throw Exception("Connecting to " + hostname + - " for service " + service + " failed"); + ::close(m_fd); + m_fd = -1; + continue; } } - ~BSD_Socket() - { - ::close(m_fd); - m_fd = -1; - } + ::freeaddrinfo(res); - void write(const uint8_t buf[], size_t len) + if(m_fd < 0) { - 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); - } + throw Exception("Connecting to " + hostname + + " for service " + service + " failed"); } + } - size_t read(uint8_t buf[], size_t len) - { - ssize_t got = ::read(m_fd, buf, len); + ~BSD_Socket() + { + ::close(m_fd); + m_fd = -1; + } - if(got < 0) - throw Exception("Socket read failed with error '" + + 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)) + "'"); - return static_cast<size_t>(got); + 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 + +} - private: - int m_fd; - }; +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 @@ -323,21 +332,23 @@ uint32_t OS::get_process_id() uint64_t OS::get_processor_timestamp() { + uint64_t rtc = 0; + #if defined(BOTAN_TARGET_OS_HAS_QUERY_PERF_COUNTER) LARGE_INTEGER tv; ::QueryPerformanceCounter(&tv); - return tv.QuadPart; + rtc = tv.QuadPart; #elif defined(BOTAN_USE_GCC_INLINE_ASM) #if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY) - if(CPUID::has_rdtsc() == false) - return 0; - - uint32_t rtc_low = 0, rtc_high = 0; - asm volatile("rdtsc" : "=d" (rtc_high), "=a" (rtc_low)); - return (static_cast<uint64_t>(rtc_high) << 32) | rtc_low; + if(CPUID::has_rdtsc()) + { + uint32_t rtc_low = 0, rtc_high = 0; + asm volatile("rdtsc" : "=d" (rtc_high), "=a" (rtc_low)); + rtc = (static_cast<uint64_t>(rtc_high) << 32) | rtc_low; + } #elif defined(BOTAN_TARGET_ARCH_IS_PPC64) uint32_t rtc_low = 0, rtc_high = 0; @@ -349,43 +360,32 @@ uint64_t OS::get_processor_timestamp() */ if(rtc_high > 0 || rtc_low > 0) { - return (static_cast<uint64_t>(rtc_high) << 32) | rtc_low; + rtc = (static_cast<uint64_t>(rtc_high) << 32) | rtc_low; } #elif defined(BOTAN_TARGET_ARCH_IS_ALPHA) - uint64_t rtc = 0; asm volatile("rpcc %0" : "=r" (rtc)); - return rtc; // OpenBSD does not trap access to the %tick register #elif defined(BOTAN_TARGET_ARCH_IS_SPARC64) && !defined(BOTAN_TARGET_OS_IS_OPENBSD) - uint64_t rtc = 0; asm volatile("rd %%tick, %0" : "=r" (rtc)); - return rtc; #elif defined(BOTAN_TARGET_ARCH_IS_IA64) - uint64_t rtc = 0; asm volatile("mov %0=ar.itc" : "=r" (rtc)); - return rtc; #elif defined(BOTAN_TARGET_ARCH_IS_S390X) - uint64_t rtc = 0; asm volatile("stck 0(%0)" : : "a" (&rtc) : "memory", "cc"); - return rtc; #elif defined(BOTAN_TARGET_ARCH_IS_HPPA) - uint64_t rtc = 0; asm volatile("mfctl 16,%0" : "=r" (rtc)); // 64-bit only? - return rtc; #else //#warning "OS::get_processor_timestamp not implemented" - return 0; #endif -#else - return 0; #endif + + return rtc; } uint64_t OS::get_high_resolution_clock() |