- fix multiple include of rfid_protocol_mifare_classic.h problem

- add some more layer2 {get,set}opt()s
- add rfid_protocol_{get,set}opt()
- export functions for l2/proto scanning, not just for combined scanning
- add support for sending WUPA instead of REQA in iso14443a


git-svn-id: https://svn.gnumonks.org/trunk/librfid@1910 e0336214-984f-0b4b-a45f-81c69e1f0ede

include/librfid/rfid_layer2.h

@@ -18,6 +18,8 @@ enum rfid_layer2_id {
 #define RFID_OPT_L2_PRIV		0x00010000
 enum rfid_layer2_opt {
 	RFID_OPT_LAYER2_UID		= 0x0001,
+	RFID_OPT_LAYER2_PROTO_SUPP	= 0x0002,
+	RFID_OPT_LAYER2_WUP		= 0x0003,
 };
 
 struct rfid_layer2_handle *rfid_layer2_init(struct rfid_reader_handle *rh,
@@ -70,6 +72,7 @@ struct rfid_layer2_handle {
 	unsigned char uid[10];	/* triple size 14443a id is 10 bytes */
 	unsigned int uid_len;
 	unsigned int proto_supported;
+	unsigned int flags;
 	union {
 		struct iso14443a_handle iso14443a;
 		struct iso14443b_handle iso14443b;

include/librfid/rfid_protocol.h

@@ -27,6 +27,12 @@ rfid_protocol_write(struct rfid_protocol_handle *ph,
 int rfid_protocol_fini(struct rfid_protocol_handle *ph);
 int rfid_protocol_close(struct rfid_protocol_handle *ph);
 
+int rfid_protocol_getopt(struct rfid_protocol_handle *ph, int optname,
+			 void *optval, unsigned int *optlen);
+
+int rfid_protocol_setopt(struct rfid_protocol_handle *ph, int optname,
+			 const void *optval, unsigned int optlen);
+
 char *rfid_protocol_name(struct rfid_protocol_handle *ph);
 
 enum rfid_protocol_id {
@@ -36,6 +42,9 @@ enum rfid_protocol_id {
 	RFID_PROTOCOL_MIFARE_CLASSIC,
 };
 
+enum rfid_protocol_opt {
+	RFID_OPT_PROTO_ID,
+};
 
 #ifdef __LIBRFID__
 
@@ -65,6 +74,11 @@ struct rfid_protocol {
 			     unsigned int page,
 			     unsigned char *tx_data,
 			     unsigned int tx_len);
+		int (*getopt)(struct rfid_protocol_handle *h,
+			      int optname, void *optval, unsigned int *optlen);
+		int (*setopt)(struct rfid_protocol_handle *h,
+			      int optname, const void *optval,
+			      unsigned int optlen);
 	} fn;
 };
 

include/librfid/rfid_protocol_mifare_classic.h

@@ -1,4 +1,5 @@
 #ifndef _MIFARE_CLASSIC_H
+#define _MIFARE_CLASSIC_H
 
 #include <librfid/rfid_protocol.h>
 

include/librfid/rfid_protocol_tcl.h

@@ -1,6 +1,11 @@
 #ifndef _RFID_PROTOCOL_TCL_H
 #define _RFID_PROTOCOL_TCL_H
 
+enum rfid_proto_tcl_opt {
+	RFID_OPT_P_TCL_ATS	=	0x00010001,
+	RFID_OPT_P_TCL_ATS_LEN	=	0x00010002,
+};
+
 #ifdef __LIBRFID__
 
 enum tcl_transport_rate {

include/librfid/rfid_scan.h

@@ -5,6 +5,12 @@
 #include <librfid/rfid_layer2.h>
 #include <librfid/rfid_protocol.h>
 
+struct rfid_layer2_handle *
+rfid_layer2_scan(struct rfid_reader_handle *rh);
+
+struct rfid_protocol_handle *
+rfid_protocol_scan(struct rfid_layer2_handle *l2h);
+
 int rfid_scan(struct rfid_reader_handle *rh,
 	      struct rfid_layer2_handle **l2h,
 	      struct rfid_protocol_handle **ph);

src/rfid_layer2_iso14443a.c

@@ -112,7 +112,10 @@ iso14443a_anticol(struct rfid_layer2_handle *handle)
 	memset(&atqa, 0, sizeof(atqa));
 	memset(&acf, 0, sizeof(acf));
 
-	ret = iso14443a_transceive_sf(handle, ISO14443A_SF_CMD_REQA, &atqa);
+	if (handle->flags & RFID_OPT_LAYER2_WUP)
+		ret = iso14443a_transceive_sf(handle, ISO14443A_SF_CMD_WUPA, &atqa);
+	else
+		ret = iso14443a_transceive_sf(handle, ISO14443A_SF_CMD_REQA, &atqa);
 	if (ret < 0) {
 		h->state = ISO14443A_STATE_REQA_SENT;
 		DEBUGP("error during transceive_sf: %d\n", ret);
@@ -291,6 +294,8 @@ iso14443a_init(struct rfid_reader_handle *rh)
 	if (!h)
 		return NULL;
 
+	memset(h, 0, sizeof(*h));
+
 	h->l2 = &rfid_layer2_iso14443a;
 	h->rh = rh;
 	h->priv.iso14443a.state = ISO14443A_STATE_NONE;

src/rfid_proto_tcl.c

@@ -122,7 +122,8 @@ tcl_parse_ats(struct rfid_protocol_handle *h,
 		} else {
 			/* Section 7.2: fwi for type B is always in ATQB */
 			/* Value is assigned in tcl_connect() */
-			/* This function is never called for Type B, since it has no (R)ATS */
+			/* This function is never called for Type B, 
+			 * since Type B has no (R)ATS */
 		}
 		return 0;
 	}
@@ -762,6 +763,43 @@ tcl_fini(struct rfid_protocol_handle *ph)
 	return 0;
 }
 
+int 
+tcl_getopt(struct rfid_protocol_handle *h, int optname, void *optval,
+	   unsigned int *optlen)
+{
+	u_int8_t *opt_str = optval;
+
+	switch (optname) {
+	case RFID_OPT_P_TCL_ATS:
+		if (h->priv.tcl.ats_len < *optlen)
+			*optlen = h->priv.tcl.ats_len;
+		memcpy(opt_str, h->priv.tcl.ats, *optlen);
+		break;
+	case RFID_OPT_P_TCL_ATS_LEN:
+		if (*optlen < sizeof(u_int8_t))
+			return -E2BIG;
+		*optlen = sizeof(u_int8_t);
+		*opt_str = h->priv.tcl.ats_len & 0xff;
+		break;
+	}
+
+	return 0;
+}
+
+int
+tcl_setopt(struct rfid_protocol_handle *h, int optname, const void *optval,
+	   unsigned int optlen)
+{
+	int ret = -EINVAL;
+
+	switch (optname) {
+	default:
+		break;
+	}
+
+	return ret;
+}
+
 const struct rfid_protocol rfid_protocol_tcl = {
 	.id	= RFID_PROTOCOL_TCL,
 	.name	= "ISO 14443-4 / T=CL",
@@ -771,5 +809,7 @@ const struct rfid_protocol rfid_protocol_tcl = {
 		.transceive = &tcl_transceive,
 		.close = &tcl_deselect,
 		.fini = &tcl_fini,
+		.getopt = &tcl_getopt,
+		.setopt = &tcl_setopt,
 	},
 };

src/rfid_protocol.c

@@ -1,4 +1,4 @@
-/* librfid - layer 3 protocol handler 
+/* librfid - layer 4 protocol handler 
  * (C) 2005-2006 by Harald Welte <laforge@gnumonks.org>
  */
 
@@ -106,6 +106,47 @@ rfid_protocol_close(struct rfid_protocol_handle *ph)
 	return 0;
 }
 
+int
+rfid_protocol_getopt(struct rfid_protocol_handle *ph, int optname,
+		     void *optval, unsigned int *optlen)
+{
+	if (optname >> 16 == 0) {
+		unsigned char *optchar = optval;
+
+		switch (optname) {
+			break;
+		default:
+			return -EINVAL;
+			break;
+		}
+	} else {
+		if (!ph->proto->fn.getopt)
+			return -EINVAL;
+
+		return ph->proto->fn.getopt(ph, optname, optval, optlen);
+	}
+	return 0;
+}
+
+int
+rfid_protocol_setopt(struct rfid_protocol_handle *ph, int optname,
+		     const void *optval, unsigned int optlen)
+{
+	if (optname >> 16 == 0) {
+		switch (optname) {
+		default:
+			return -EINVAL;
+			break;
+		}
+	} else {
+		if (!ph->proto->fn.setopt)
+			return -EINVAL;
+
+		return ph->proto->fn.setopt(ph, optname, optval, optlen);
+	}
+	return 0;
+}
+
 char *rfid_protocol_name(struct rfid_protocol_handle *ph)
 {
 	return ph->proto->name;

src/rfid_scan.c

@@ -43,7 +43,7 @@ rfid_layer2_scan1(struct rfid_reader_handle *rh, int l2)
 	return NULL;
 }
 
-static struct rfid_layer2_handle *
+struct rfid_layer2_handle *
 rfid_layer2_scan(struct rfid_reader_handle *rh)
 {
 	struct rfid_layer2_handle *l2h;
@@ -80,7 +80,7 @@ rfid_protocol_scan1(struct rfid_layer2_handle *l2h, int proto)
 	return NULL;
 }
 
-static struct rfid_protocol_handle *
+struct rfid_protocol_handle *
 rfid_protocol_scan(struct rfid_layer2_handle *l2h)
 {
 	struct rfid_protocol_handle *ph;