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/*
* (C) 2014,2017 Jack Lloyd
* 2017 René Korthaus, Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_CLI_SOCKET_UTILS_H_
#define BOTAN_CLI_SOCKET_UTILS_H_
#include <botan/build.h>
#include "cli_exceptions.h"
#if defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
#include <winsock2.h>
#include <WS2tcpip.h>
typedef SOCKET socket_type;
inline socket_type invalid_socket() { return INVALID_SOCKET; }
typedef size_t ssize_t;
typedef int sendrecv_len_type;
inline void close_socket(socket_type s) { ::closesocket(s); }
#define STDIN_FILENO _fileno(stdin)
inline void init_sockets()
{
WSAData wsa_data;
WORD wsa_version = MAKEWORD(2, 2);
if(::WSAStartup(wsa_version, &wsa_data) != 0)
{
throw Botan_CLI::CLI_Error("WSAStartup() failed: " + std::to_string(WSAGetLastError()));
}
if(LOBYTE(wsa_data.wVersion) != 2 || HIBYTE(wsa_data.wVersion) != 2)
{
::WSACleanup();
throw Botan_CLI::CLI_Error("Could not find a usable version of Winsock.dll");
}
}
inline void stop_sockets()
{
::WSACleanup();
}
inline std::string err_to_string(int e)
{
// TODO use strerror_s here
return "Error code " + std::to_string(e);
}
inline int close(int fd)
{
return ::closesocket(fd);
}
inline int read(int s, void* buf, size_t len)
{
return ::recv(s, reinterpret_cast<char*>(buf), static_cast<int>(len), 0);
}
inline int send(int s, const uint8_t* buf, size_t len, int flags)
{
return ::send(s, reinterpret_cast<const char*>(buf), static_cast<int>(len), flags);
}
#elif defined(BOTAN_TARGET_OS_HAS_POSIX1)
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
typedef int socket_type;
typedef size_t sendrecv_len_type;
inline socket_type invalid_socket() { return -1; }
inline void close_socket(socket_type s) { ::close(s); }
inline void init_sockets() {}
inline void stop_sockets() {}
inline std::string err_to_string(int e)
{
return std::strerror(e);
}
#endif
#if !defined(MSG_NOSIGNAL)
#define MSG_NOSIGNAL 0
#endif
#endif
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