path: root/openct-cm5121-librfid.patch

diff -Nru openct-0.6.7/src/ifd/Makefile.am openct-0.6.7-rfid/src/ifd/Makefile.am
--- openct-0.6.7/src/ifd/Makefile.am	2006-04-21 08:37:58.000000000 +0200
+++ openct-0.6.7-rfid/src/ifd/Makefile.am	2006-05-27 19:32:21.000000000 +0200
@@ -20,7 +20,7 @@
 	ifd-wbeiuu.c \
 	\
 	proto-gbp.c proto-sync.c proto-t0.c proto-t1.c \
-	proto-trans.c \
+	proto-trans.c proto-escape.c \
 	\
 	sys-sunray.c sys-solaris.c sys-bsd.c sys-linux.c sys-null.c sys-osx.c \
 	\
diff -Nru openct-0.6.7/src/ifd/ifd-ccid.c openct-0.6.7-rfid/src/ifd/ifd-ccid.c
--- openct-0.6.7/src/ifd/ifd-ccid.c	2006-04-24 21:52:03.000000000 +0200
+++ openct-0.6.7-rfid/src/ifd/ifd-ccid.c	2006-05-27 19:46:29.000000000 +0200
@@ -5,6 +5,9 @@
  *
  * 2005-04-20: Harald Welte <laforge@gnumonks.org>
  * 	Add support for PCMCIA based CCID Device (CardMan 4040)
+ *
+ * 2005-05-22: Harald Welte <laforge@gnumonks.org>
+ * 	Add suport for OmniKey Cardman 5121 RFID extensions
  */
 
 #include "internal.h"
@@ -122,6 +125,7 @@
 
 #define SUPPORT_T0	0x1
 #define SUPPORT_T1	0x2
+#define SUPPORT_ESCAPE	0x80
 
 #define SUPPORT_50V	1
 #define SUPPORT_33V	2
@@ -740,6 +744,12 @@
 		st->reader_type = TYPE_TPDU;
 	}
 
+	if (de.idVendor == 0x076b && de.idProduct == 0x5121) {
+		/* special handling of RFID part of OmniKey 5121 */
+		reader->nslots++;	/* one virtual slot for RFID escape */
+		st->proto_support |= SUPPORT_ESCAPE;
+	}
+
 	return 0;
 }
 
@@ -816,6 +826,13 @@
 		int any = 0;
 		int i, j, bits, stat;
 
+		if (st->proto_support & SUPPORT_ESCAPE
+		    && slot == reader->nslots-1) {
+			ifd_debug(1, "virtual escape slot, setting card present\n");
+			*status = IFD_CARD_PRESENT;
+			return 0;
+		}
+
 		i = 1 + (slot / 4);
 		j = 2 * (slot % 4);
 		stat = 0;
@@ -880,6 +897,8 @@
 	return 0;
 }
 
+static int ccid_set_protocol(ifd_reader_t *reader, int s, int proto);
+
 /*
  * Reset
  */
@@ -898,6 +917,13 @@
 	if (!(status & IFD_CARD_PRESENT))
 		return IFD_ERROR_NO_CARD;
 
+	if (st->proto_support & SUPPORT_ESCAPE
+	    && slot == reader->nslots-1) {
+		ifd_debug(1, "slot: %d, setting atr to 0xff", slot);
+		*((char *)atr) = 0xff;
+		ccid_set_protocol(reader, slot, IFD_PROTOCOL_ESCAPE);
+		return 1;
+	}
 	memset(ctlbuf, 0, 3);
 
 	n = -1;
@@ -940,6 +966,17 @@
 	ifd_atr_info_t atr_info;
 	int r;
 
+	slot = &reader->slot[s];
+
+	/* If we support RFID escaping, we only allow ESCAPE protocol
+	 * at the last (== virtual) slot */
+	if ((st->proto_support & SUPPORT_ESCAPE)
+	    && (proto != IFD_PROTOCOL_ESCAPE)
+	    && (s == reader->nslots-1)) {
+		ct_error("reader doesn't support this protocol at this slot\n");
+		return IFD_ERROR_NOT_SUPPORTED;
+	}
+
 	switch (proto) {
 	case IFD_PROTOCOL_T0:
 		if (!(st->proto_support & SUPPORT_T0)) {
@@ -953,13 +990,36 @@
 			return IFD_ERROR_NOT_SUPPORTED;
 		}
 		break;
+	case IFD_PROTOCOL_ESCAPE:
+		/* virtual "escape" fallthrough protocol for stacking RFID
+		 * protocol stack on top of openct */
+		if (!(st->proto_support & SUPPORT_ESCAPE)) {
+			ct_error("reader does not support this protocol");
+			return IFD_ERROR_NOT_SUPPORTED;
+		}
+		if (s != reader->nslots-1) {
+			ct_error("reader doesn't support this protocol at this slot");
+			return IFD_ERROR_NOT_SUPPORTED;
+		}
+		p = ifd_protocol_new(IFD_PROTOCOL_ESCAPE,reader, slot->dad);
+		if (!p) {
+			ct_error("%s: internal error", reader->name);
+			return -1;
+		}
+		if (slot->proto) {
+			ifd_protocol_free(slot->proto);
+			slot->proto = NULL;
+		}
+		slot->proto = p;
+		st->icc_proto[s] = proto;
+		ifd_debug(1, "set protocol to ESCAPE\n");
+		return 0;
+		break;
 	default:
 		ct_error("protocol unknown");
 		return IFD_ERROR_NOT_SUPPORTED;
 	}
 
-	slot = &reader->slot[s];
-
 	if (st->reader_type == TYPE_APDU) {
 		p = ifd_protocol_new(IFD_PROTOCOL_TRANSPARENT,
 				     reader, slot->dad);
@@ -1103,6 +1163,27 @@
 	return 0;
 }
 
+static int ccid_escape(ifd_reader_t *reader, int slot, void *sbuf,
+		       size_t slen, void *rbuf, size_t rlen)
+{
+     unsigned char sendbuf[CCID_MAX_MSG_LEN];
+     unsigned char recvbuf[CCID_MAX_MSG_LEN];
+     int r;
+
+     ifd_debug(1, "slot: %d, slen %d, rlen %d", slot, slen, rlen);
+
+     r = ccid_prepare_cmd(reader, sendbuf, sizeof(sendbuf), slot,
+		          CCID_CMD_ESCAPE, NULL, sbuf, slen);
+     if (r < 0)
+	  return r;
+
+     r = ccid_command(reader, &sendbuf[0], r, recvbuf, sizeof(recvbuf));
+     if (r < 0)
+	  return r;
+
+     return ccid_extract_data(&recvbuf, r, rbuf, rlen);
+}
+
 static int
 ccid_transparent(ifd_reader_t * reader, int slot,
 		 const void *sbuf, size_t slen, void *rbuf, size_t rlen)
@@ -1177,6 +1258,7 @@
 	ccid_driver.transparent = ccid_transparent;
 	ccid_driver.send = ccid_send;
 	ccid_driver.recv = ccid_recv;
+	ccid_driver.escape = ccid_escape;
 
 	ifd_driver_register("ccid", &ccid_driver);
 }
diff -Nru openct-0.6.7/src/ifd/init.c openct-0.6.7-rfid/src/ifd/init.c
--- openct-0.6.7/src/ifd/init.c	2006-04-21 08:37:58.000000000 +0200
+++ openct-0.6.7-rfid/src/ifd/init.c	2006-05-27 19:32:21.000000000 +0200
@@ -54,6 +54,7 @@
 	ifd_protocol_register(&ifd_protocol_2wire);
 	ifd_protocol_register(&ifd_protocol_3wire);
 	ifd_protocol_register(&ifd_protocol_eurochip);
+	ifd_protocol_register(&ifd_protocol_esc);
 
 	if (ifd_conf_get_integer("debug", &ival) >= 0 && ival > ct_config.debug)
 		ct_config.debug = ival;
diff -Nru openct-0.6.7/src/ifd/internal.h openct-0.6.7-rfid/src/ifd/internal.h
--- openct-0.6.7/src/ifd/internal.h	2006-04-21 08:37:58.000000000 +0200
+++ openct-0.6.7-rfid/src/ifd/internal.h	2006-05-27 19:32:21.000000000 +0200
@@ -118,6 +118,7 @@
 extern struct ifd_protocol_ops ifd_protocol_2wire;
 extern struct ifd_protocol_ops ifd_protocol_3wire;
 extern struct ifd_protocol_ops ifd_protocol_eurochip;
+extern struct ifd_protocol_ops ifd_protocol_esc;
 
 extern void ifd_acr30u_register(void);
 extern void ifd_cardman_register(void);
diff -Nru openct-0.6.7/src/ifd/proto-escape.c openct-0.6.7-rfid/src/ifd/proto-escape.c
--- openct-0.6.7/src/ifd/proto-escape.c	1970-01-01 01:00:00.000000000 +0100
+++ openct-0.6.7-rfid/src/ifd/proto-escape.c	2006-05-27 19:32:21.000000000 +0200
@@ -0,0 +1,77 @@
+/*
+ * Escape protocol - simply pass everything to the reader driver's escape()
+ *
+ * This is required for exporting access to vendor-specific CCID extensions,
+ * such as the Omnikey CardMan 5121 RFID support.
+ *
+ * The higher-level applications select a virtual slot (the last available slot
+ * number).  This virtual slot will automatically get the IFD_PROTOCOL_ESCAPE 
+ * assgigned to it and can then be used to transceive() data to/from the CCID.
+ *
+ * It's a bit ugly, but I was unable to come up with something cleaner.
+ *
+ * Copyright (C) 2005, Harald Welte <laforge@gnumonks.org>
+ */
+
+#include "internal.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int
+escape_init(ifd_protocol_t *prot)
+{
+	ifd_reader_t	*reader = prot->reader;
+	const ifd_driver_t *drv;
+
+	if (!reader || !(drv = reader->driver)
+	 || !drv->ops || !drv->ops->escape)
+	 	return -1;
+	return 0;
+}
+
+static void
+escape_release(ifd_protocol_t *prot)
+{
+	/* NOP */
+}
+
+static int
+escape_set_param(ifd_protocol_t *prot, int type, long value)
+{
+	ct_error("set_pameter not supported");
+	return -1;
+}
+
+static int
+escape_get_param(ifd_protocol_t *prot, int type, long *result)
+{
+	ct_error("get_pameter not supported");
+	return -1;
+}
+
+static int
+escape_transceive(ifd_protocol_t *prot, int dad,
+		const void *sbuf, size_t slen,
+		void *rbuf, size_t rlen)
+{
+	ifd_reader_t	*reader = prot->reader;
+	const ifd_driver_t *drv = reader->driver;
+
+	return drv->ops->escape(reader, dad, sbuf, slen, rbuf, rlen);
+}
+
+struct ifd_protocol_ops	ifd_protocol_esc = {
+	IFD_PROTOCOL_ESCAPE,		/* id */
+	"escape",			/* name */
+	sizeof(ifd_protocol_t),		/* size */
+	escape_init,			/* init */
+	escape_release,			/* release */
+	escape_set_param,		/* set_param */
+	escape_get_param,		/* get_param */
+	NULL,				/* resynchronize */
+	escape_transceive,		/* transceive */
+	NULL,				/* sync_read */
+	NULL,				/* sync_write */
+};
+
diff -Nru openct-0.6.7/src/include/openct/driver.h openct-0.6.7-rfid/src/include/openct/driver.h
--- openct-0.6.7/src/include/openct/driver.h	2006-04-21 08:37:58.000000000 +0200
+++ openct-0.6.7-rfid/src/include/openct/driver.h	2006-05-27 19:32:21.000000000 +0200
@@ -318,6 +318,11 @@
 	int		(*sync_write)(ifd_reader_t *reader, int slot, int proto,
 				unsigned short addr,
 				const unsigned char *sbuf, size_t slen);
+
+	/*Support for transparent access to "escape" */
+	int		(*escape)(ifd_reader_t *reader, int slot,
+				void *sbuf, size_t slen,
+				void *rbuf, size_t rlen);
 };
 
 extern void		ifd_driver_register(const char *,
diff -Nru openct-0.6.7/src/include/openct/ifd.h openct-0.6.7-rfid/src/include/openct/ifd.h
--- openct-0.6.7/src/include/openct/ifd.h	2006-04-21 08:37:58.000000000 +0200
+++ openct-0.6.7-rfid/src/include/openct/ifd.h	2006-05-27 19:42:54.000000000 +0200
@@ -29,6 +29,8 @@
 	IFD_PROTOCOL_TLP,		/* older Gemplus protocol */
 	IFD_PROTOCOL_GBP,		/* Gemplus block protocol */
 	IFD_PROTOCOL_EUROCHIP,		/* Eurochip Countercard */
+	IFD_PROTOCOL_TCL,		/* ISO 14443-4 T=CL */
+	IFD_PROTOCOL_ESCAPE,		/* Virtual 'escape' protocol */
 	IFD_PROTOCOL_TRANSPARENT = 128
 };