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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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 3 of the License, or
(at your option) any later version.
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
*/
/*
* Win32 ISO7816 port simulator (on socket).
*/
#include <chconf.h>
#include <windows.h>
#include <stdio.h>
#undef CDECL
#include <ch.h>
#define ISO7816PORT1 29021
typedef struct {
BYTE8 io_b[16];
SOCKET io_listen;
SOCKET io_data;
} sim7816;
HalfDuplexDriver ISO1;
static sim7816 sim1;
static u_long nb = 1;
static void init(char *name, HalfDuplexDriver *sd, sim7816 *simp, unsigned short port) {
struct sockaddr_in sad;
struct protoent *prtp;
chHDDInit(sd, simp->io_b, sizeof(simp->io_b), NULL, NULL);
simp->io_listen = INVALID_SOCKET;
simp->io_data = INVALID_SOCKET;
if ((prtp = getprotobyname("tcp")) == NULL) {
printf("%s: Error mapping protocol name to protocol number\n", name);
goto abort;
}
simp->io_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);
if (simp->io_listen == INVALID_SOCKET) {
printf("%s: Error creating simulator socket\n", name);
goto abort;
}
if (ioctlsocket(simp->io_listen, FIONBIO, &nb) != 0) {
printf("%s: Unable to setup non blocking mode on socket\n", name);
goto abort;
}
memset(&sad, 0, sizeof(sad));
sad.sin_family = AF_INET;
sad.sin_addr.s_addr = INADDR_ANY;
sad.sin_port = htons(port);
if (bind(simp->io_listen, (struct sockaddr *)&sad, sizeof(sad))) {
printf("%s: Error binding socket\n", name);
goto abort;
}
if (listen(simp->io_listen, 1) != 0) {
printf("%s: Error binding socket\n", name);
goto abort;
}
printf("Half Duplex channel %s listening on port %d\n", name, port);
return;
abort:
if (simp->io_listen != INVALID_SOCKET)
closesocket(simp->io_listen);
WSACleanup();
exit(1);
}
void InitSimIso1(void) {
init("ISO1", &ISO1, &sim1, ISO7816PORT1);
}
static BOOL connint(char *name, HalfDuplexDriver *sd, sim7816 *simp) {
if (simp->io_data == INVALID_SOCKET) {
struct sockaddr addr;
int addrlen = sizeof(addr);
if ((simp->io_data = accept(simp->io_listen, &addr, &addrlen)) == INVALID_SOCKET)
return FALSE;
if (ioctlsocket(simp->io_data, FIONBIO, &nb) != 0) {
printf("%s: Unable to setup non blocking mode on data socket\n", name);
goto abort;
}
chHDDAddFlagsI(sd, SD_CONNECTED);
return TRUE;
}
return FALSE;
abort:
if (simp->io_listen != INVALID_SOCKET)
closesocket(simp->io_listen);
if (simp->io_data != INVALID_SOCKET)
closesocket(simp->io_data);
WSACleanup();
exit(1);
}
BOOL Iso1ConnInterrupt(void) {
return connint("ISO1", &ISO1, &sim1);
}
static BOOL inint(char *name, HalfDuplexDriver *sd, sim7816 *simp) {
if (simp->io_data != INVALID_SOCKET) {
int i;
BYTE8 data[4];
/*
* Input.
*/
int n = recv(simp->io_data, data, sizeof(data), 0);
switch (n) {
case 0:
closesocket(simp->io_data);
simp->io_data = INVALID_SOCKET;
chHDDAddFlagsI(sd, SD_DISCONNECTED);
return FALSE;
case SOCKET_ERROR:
if (WSAGetLastError() == WSAEWOULDBLOCK)
return FALSE;
closesocket(simp->io_data);
simp->io_data = INVALID_SOCKET;
return FALSE;
}
for (i = 0; i < n; i++)
chHDDIncomingDataI(sd, data[i]);
return TRUE;
}
return FALSE;
}
BOOL Iso1InInterrupt(void) {
return inint("ISO", &ISO1, &sim1);
}
static BOOL outint(char *name, HalfDuplexDriver *sd, sim7816 *simp) {
if (simp->io_data != INVALID_SOCKET) {
short n;
BYTE8 data[1];
/*
* Input.
*/
n = chHDDRequestDataI(sd);
if (n < 0)
return FALSE;
data[0] = (BYTE8)n;
n = send(simp->io_data, data, sizeof(data), 0);
switch (n) {
case 0:
closesocket(simp->io_data);
simp->io_data = INVALID_SOCKET;
chHDDAddFlagsI(sd, SD_DISCONNECTED);
return FALSE;
case SOCKET_ERROR:
if (WSAGetLastError() == WSAEWOULDBLOCK)
return FALSE;
closesocket(simp->io_data);
simp->io_data = INVALID_SOCKET;
return FALSE;
}
return TRUE;
}
return FALSE;
}
BOOL Iso1OutInterrupt(void) {
return outint("ISO1", &ISO1, &sim1);
}
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