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-rw-r--r--polarssl/src/library/net.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/polarssl/src/library/net.c b/polarssl/src/library/net.c
deleted file mode 100644
index e30aebb..0000000
--- a/polarssl/src/library/net.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * TCP networking functions
- *
- * Copyright (C) 2006-2010, Brainspark B.V.
- *
- * This file is part of PolarSSL (http://www.polarssl.org)
- * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "polarssl/config.h"
-
-#if defined(POLARSSL_NET_C)
-
-#include "polarssl/net.h"
-
-#if defined(_WIN32) || defined(_WIN32_WCE)
-
-#include <winsock2.h>
-#include <windows.h>
-
-#if defined(_WIN32_WCE)
-#pragma comment( lib, "ws2.lib" )
-#else
-#pragma comment( lib, "ws2_32.lib" )
-#endif
-
-#define read(fd,buf,len) recv(fd,(char*)buf,(int) len,0)
-#define write(fd,buf,len) send(fd,(char*)buf,(int) len,0)
-#define close(fd) closesocket(fd)
-
-static int wsa_init_done = 0;
-
-#else
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <errno.h>
-
-#if defined(__FreeBSD__) || defined(__OpenBSD__)
-#include <sys/endian.h>
-#elif defined(__APPLE__)
-#include <machine/endian.h>
-#elif defined(sun)
-#include <sys/isa_defs.h>
-#else
-#include <endian.h>
-#endif
-
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <time.h>
-
-/*
- * htons() is not always available.
- * By default go for LITTLE_ENDIAN variant. Otherwise hope for _BYTE_ORDER and __BIG_ENDIAN
- * to help determine endianess.
- */
-#if defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
-#define POLARSSL_HTONS(n) (n)
-#else
-#define POLARSSL_HTONS(n) (((((unsigned short)(n) & 0xFF)) << 8) | (((unsigned short)(n) & 0xFF00) >> 8))
-#endif
-
-unsigned short net_htons(unsigned short n);
-#define net_htons(n) POLARSSL_HTONS(n)
-
-/*
- * Initiate a TCP connection with host:port
- */
-int net_connect( int *fd, const char *host, int port )
-{
- struct sockaddr_in server_addr;
- struct hostent *server_host;
-
-#if defined(_WIN32) || defined(_WIN32_WCE)
- WSADATA wsaData;
-
- if( wsa_init_done == 0 )
- {
- if( WSAStartup( MAKEWORD(2,0), &wsaData ) == SOCKET_ERROR )
- return( POLARSSL_ERR_NET_SOCKET_FAILED );
-
- wsa_init_done = 1;
- }
-#else
- signal( SIGPIPE, SIG_IGN );
-#endif
-
- if( ( server_host = gethostbyname( host ) ) == NULL )
- return( POLARSSL_ERR_NET_UNKNOWN_HOST );
-
- if( ( *fd = socket( AF_INET, SOCK_STREAM, IPPROTO_IP ) ) < 0 )
- return( POLARSSL_ERR_NET_SOCKET_FAILED );
-
- memcpy( (void *) &server_addr.sin_addr,
- (void *) server_host->h_addr,
- server_host->h_length );
-
- server_addr.sin_family = AF_INET;
- server_addr.sin_port = net_htons( port );
-
- if( connect( *fd, (struct sockaddr *) &server_addr,
- sizeof( server_addr ) ) < 0 )
- {
- close( *fd );
- return( POLARSSL_ERR_NET_CONNECT_FAILED );
- }
-
- return( 0 );
-}
-
-/*
- * Create a listening socket on bind_ip:port
- */
-int net_bind( int *fd, const char *bind_ip, int port )
-{
- int n, c[4];
- struct sockaddr_in server_addr;
-
-#if defined(_WIN32) || defined(_WIN32_WCE)
- WSADATA wsaData;
-
- if( wsa_init_done == 0 )
- {
- if( WSAStartup( MAKEWORD(2,0), &wsaData ) == SOCKET_ERROR )
- return( POLARSSL_ERR_NET_SOCKET_FAILED );
-
- wsa_init_done = 1;
- }
-#else
- signal( SIGPIPE, SIG_IGN );
-#endif
-
- if( ( *fd = socket( AF_INET, SOCK_STREAM, IPPROTO_IP ) ) < 0 )
- return( POLARSSL_ERR_NET_SOCKET_FAILED );
-
- n = 1;
- setsockopt( *fd, SOL_SOCKET, SO_REUSEADDR,
- (const char *) &n, sizeof( n ) );
-
- server_addr.sin_addr.s_addr = INADDR_ANY;
- server_addr.sin_family = AF_INET;
- server_addr.sin_port = net_htons( port );
-
- if( bind_ip != NULL )
- {
- memset( c, 0, sizeof( c ) );
- sscanf( bind_ip, "%d.%d.%d.%d", &c[0], &c[1], &c[2], &c[3] );
-
- for( n = 0; n < 4; n++ )
- if( c[n] < 0 || c[n] > 255 )
- break;
-
- if( n == 4 )
- server_addr.sin_addr.s_addr =
- ( (unsigned long) c[0] << 24 ) |
- ( (unsigned long) c[1] << 16 ) |
- ( (unsigned long) c[2] << 8 ) |
- ( (unsigned long) c[3] );
- }
-
- if( bind( *fd, (struct sockaddr *) &server_addr,
- sizeof( server_addr ) ) < 0 )
- {
- close( *fd );
- return( POLARSSL_ERR_NET_BIND_FAILED );
- }
-
- if( listen( *fd, POLARSSL_NET_LISTEN_BACKLOG ) != 0 )
- {
- close( *fd );
- return( POLARSSL_ERR_NET_LISTEN_FAILED );
- }
-
- return( 0 );
-}
-
-/*
- * Check if the current operation is blocking
- */
-static int net_is_blocking( void )
-{
-#if defined(_WIN32) || defined(_WIN32_WCE)
- return( WSAGetLastError() == WSAEWOULDBLOCK );
-#else
- switch( errno )
- {
-#if defined EAGAIN
- case EAGAIN:
-#endif
-#if defined EWOULDBLOCK && EWOULDBLOCK != EAGAIN
- case EWOULDBLOCK:
-#endif
- return( 1 );
- }
- return( 0 );
-#endif
-}
-
-/*
- * Accept a connection from a remote client
- */
-int net_accept( int bind_fd, int *client_fd, void *client_ip )
-{
- struct sockaddr_in client_addr;
-
-#if defined(__socklen_t_defined) || defined(_SOCKLEN_T) || \
- defined(_SOCKLEN_T_DECLARED)
- socklen_t n = (socklen_t) sizeof( client_addr );
-#else
- int n = (int) sizeof( client_addr );
-#endif
-
- *client_fd = accept( bind_fd, (struct sockaddr *)
- &client_addr, &n );
-
- if( *client_fd < 0 )
- {
- if( net_is_blocking() != 0 )
- return( POLARSSL_ERR_NET_WANT_READ );
-
- return( POLARSSL_ERR_NET_ACCEPT_FAILED );
- }
-
- if( client_ip != NULL )
- memcpy( client_ip, &client_addr.sin_addr.s_addr,
- sizeof( client_addr.sin_addr.s_addr ) );
-
- return( 0 );
-}
-
-/*
- * Set the socket blocking or non-blocking
- */
-int net_set_block( int fd )
-{
-#if defined(_WIN32) || defined(_WIN32_WCE)
- u_long n = 0;
- return( ioctlsocket( fd, FIONBIO, &n ) );
-#else
- return( fcntl( fd, F_SETFL, fcntl( fd, F_GETFL ) & ~O_NONBLOCK ) );
-#endif
-}
-
-int net_set_nonblock( int fd )
-{
-#if defined(_WIN32) || defined(_WIN32_WCE)
- u_long n = 1;
- return( ioctlsocket( fd, FIONBIO, &n ) );
-#else
- return( fcntl( fd, F_SETFL, fcntl( fd, F_GETFL ) | O_NONBLOCK ) );
-#endif
-}
-
-/*
- * Portable usleep helper
- */
-void net_usleep( unsigned long usec )
-{
- struct timeval tv;
- tv.tv_sec = 0;
- tv.tv_usec = usec;
- select( 0, NULL, NULL, NULL, &tv );
-}
-
-/*
- * Read at most 'len' characters
- */
-int net_recv( void *ctx, unsigned char *buf, size_t len )
-{
- int ret = read( *((int *) ctx), buf, len );
-
- if( ret < 0 )
- {
- if( net_is_blocking() != 0 )
- return( POLARSSL_ERR_NET_WANT_READ );
-
-#if defined(_WIN32) || defined(_WIN32_WCE)
- if( WSAGetLastError() == WSAECONNRESET )
- return( POLARSSL_ERR_NET_CONN_RESET );
-#else
- if( errno == EPIPE || errno == ECONNRESET )
- return( POLARSSL_ERR_NET_CONN_RESET );
-
- if( errno == EINTR )
- return( POLARSSL_ERR_NET_WANT_READ );
-#endif
-
- return( POLARSSL_ERR_NET_RECV_FAILED );
- }
-
- return( ret );
-}
-
-/*
- * Write at most 'len' characters
- */
-int net_send( void *ctx, const unsigned char *buf, size_t len )
-{
- int ret = write( *((int *) ctx), buf, len );
-
- if( ret < 0 )
- {
- if( net_is_blocking() != 0 )
- return( POLARSSL_ERR_NET_WANT_WRITE );
-
-#if defined(_WIN32) || defined(_WIN32_WCE)
- if( WSAGetLastError() == WSAECONNRESET )
- return( POLARSSL_ERR_NET_CONN_RESET );
-#else
- if( errno == EPIPE || errno == ECONNRESET )
- return( POLARSSL_ERR_NET_CONN_RESET );
-
- if( errno == EINTR )
- return( POLARSSL_ERR_NET_WANT_WRITE );
-#endif
-
- return( POLARSSL_ERR_NET_SEND_FAILED );
- }
-
- return( ret );
-}
-
-/*
- * Gracefully close the connection
- */
-void net_close( int fd )
-{
- shutdown( fd, 2 );
- close( fd );
-}
-
-#endif