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-rw-r--r--utils/Makefile.am8
-rw-r--r--utils/openct-escape.c340
2 files changed, 348 insertions, 0 deletions
diff --git a/utils/Makefile.am b/utils/Makefile.am
new file mode 100644
index 0000000..cddde17
--- /dev/null
+++ b/utils/Makefile.am
@@ -0,0 +1,8 @@
+INCLUDES = $(all_includes) -I$(top_srcdir)/include
+
+bin_PROGRAMS = openct-escape
+
+openct_escape_SOURCES = openct-escape.c
+openct_escape_LDADD = ../src/librfid.la
+openct_escape_LDFLAGS = -dynamic
+
diff --git a/utils/openct-escape.c b/utils/openct-escape.c
new file mode 100644
index 0000000..aec258c
--- /dev/null
+++ b/utils/openct-escape.c
@@ -0,0 +1,340 @@
+/* -*- linux-c -*-
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rfid/rfid.h>
+#include <rfid/rfid_reader.h>
+#include <rfid/rfid_layer2.h>
+#include <rfid/rfid_protocol.h>
+#include <rfid/rfid_reader_cm5121.h>
+#include <rfid/rfid_protocol_mifare_classic.h>
+
+static struct rfid_reader_handle *rh;
+static struct rfid_layer2_handle *l2h;
+static struct rfid_protocol_handle *ph;
+
+static int init()
+{
+ unsigned char buf[0x3f];
+ int rc;
+
+ printf("initializing librfid\n");
+ rfid_init();
+
+ printf("opening reader handle\n");
+ rh = rfid_reader_open(NULL, RFID_READER_CM5121);
+ if (!rh) {
+ fprintf(stderr, "error, no cm5121 handle\n");
+ return -1;
+ }
+
+ sleep(2);
+
+ printf("opening layer2 handle\n");
+ l2h = rfid_layer2_init(rh, RFID_LAYER2_ISO14443A);
+ //l2h = rfid_layer2_init(rh, RFID_LAYER2_ISO14443B);
+ if (!l2h) {
+ fprintf(stderr, "error during iso14443a_init\n");
+ return -1;
+ }
+
+ //rc632_register_dump(rh->ah, buf);
+
+ printf("running layer2 anticol\n");
+ rc = rfid_layer2_open(l2h);
+ if (rc < 0) {
+ fprintf(stderr, "error during layer2_open\n");
+ return rc;
+ }
+
+ return 0;
+}
+
+static int l3(int protocol)
+{
+ printf("running layer3 (ats)\n");
+ ph = rfid_protocol_init(l2h, protocol);
+ if (!ph) {
+ fprintf(stderr, "error during protocol_init\n");
+ return -1;
+ }
+ if (rfid_protocol_open(ph) < 0) {
+ fprintf(stderr, "error during protocol_open\n");
+ return -1;
+ }
+
+ printf("we now have layer3 up and running\n");
+
+ return 0;
+}
+
+static int select_mf(void)
+{
+ unsigned char cmd[] = { 0x00, 0xa4, 0x00, 0x00, 0x02, 0x3f, 0x00, 0x00 };
+ unsigned char ret[256];
+ unsigned int rlen = sizeof(ret);
+
+ int rv;
+
+ rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), ret, &rlen, 0, 0);
+ if (rv < 0)
+ return rv;
+
+ printf("%s\n", rfid_hexdump(ret, rlen));
+
+ return 0;
+}
+
+
+static int iso7816_get_challenge(unsigned char len)
+{
+ unsigned char cmd[] = { 0x00, 0x84, 0x00, 0x00, 0x08 };
+ unsigned char ret[256];
+ unsigned int rlen = sizeof(ret);
+
+ cmd[4] = len;
+
+ int rv;
+
+ rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), ret, &rlen, 0, 0);
+ if (rv < 0)
+ return rv;
+
+ printf("%d: [%s]\n", rlen, rfid_hexdump(ret, rlen));
+
+ return 0;
+}
+
+int
+iso7816_select_application(void)
+{
+ char cmd[] = { 0x00, 0xa4, 0x04, 0x0c, 0x07,
+ 0xa0, 0x00, 0x00, 0x02, 0x47, 0x10, 0x01 };
+ char resp[7];
+ unsigned int rlen = sizeof(resp);
+
+ int rv;
+
+ rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), resp, &rlen, 0, 0);
+ if (rv < 0)
+ return rv;
+
+ /* FIXME: parse response */
+ printf("%s\n", rfid_hexdump(resp, rlen));
+
+ return 0;
+}
+
+int
+iso7816_select_ef(u_int16_t fid)
+{
+ unsigned char cmd[7] = { 0x00, 0xa4, 0x02, 0x0c, 0x02, 0x00, 0x00 };
+ unsigned char resp[7];
+ unsigned int rlen = sizeof(resp);
+
+ int rv;
+
+ cmd[5] = (fid >> 8) & 0xff;
+ cmd[6] = fid & 0xff;
+
+ rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), resp, &rlen, 0, 0);
+ if (rv < 0)
+ return rv;
+
+ /* FIXME: parse response */
+ printf("%s\n", rfid_hexdump(resp, rlen));
+
+ return 0;
+}
+
+int
+iso7816_read_binary(unsigned char *buf, unsigned int *len)
+{
+ unsigned char cmd[] = { 0x00, 0xb0, 0x00, 0x00, 0x00 };
+ unsigned char resp[256];
+ unsigned int rlen = sizeof(resp);
+
+ int rv;
+
+ rv = rfid_protocol_transcieve(ph, cmd, sizeof(cmd), resp, &rlen, 0, 0);
+ if (rv < 0)
+ return rv;
+
+ /* FIXME: parse response, determine whether we need additional reads */
+
+ /* FIXME: copy 'len' number of response bytes to 'buf' */
+ return 0;
+}
+
+/* wrapper function around SELECT EF and READ BINARY */
+int
+iso7816_read_ef(u_int16_t fid, unsigned char *buf, unsigned int *len)
+{
+ int rv;
+
+ rv = iso7816_select_ef(fid);
+ if (rv < 0)
+ return rv;
+
+ return iso7816_read_binary(buf, len);
+}
+
+/* mifare ultralight helpers */
+int
+mifare_ulight_write(struct rfid_protocol_handle *ph)
+{
+ unsigned char buf[4] = { 0xa1, 0xa2, 0xa3, 0xa4 };
+
+ return rfid_protocol_write(ph, 10, buf, 4);
+}
+
+int
+mifare_ulight_blank(struct rfid_protocol_handle *ph)
+{
+ unsigned char buf[4] = { 0x00, 0x00, 0x00, 0x00 };
+ int i, ret;
+
+ for (i = 4; i <= MIFARE_UL_PAGE_MAX; i++) {
+ ret = rfid_protocol_write(ph, i, buf, 4);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+static int
+mifare_ulight_read(struct rfid_protocol_handle *ph)
+{
+ unsigned char buf[20];
+ unsigned int len = sizeof(buf);
+ int ret;
+ int i;
+
+ for (i = 0; i <= MIFARE_UL_PAGE_MAX; i++) {
+ ret = rfid_protocol_read(ph, i, buf, &len);
+ if (ret < 0)
+ return ret;
+
+ printf("Page 0x%x: %s\n", i, rfid_hexdump(buf, 4));
+ }
+ return 0;
+}
+
+/* mifare classic helpers */
+static int
+mifare_classic_read(struct rfid_protocol_handle *ph)
+{
+ unsigned char buf[20];
+ unsigned int len = sizeof(buf);
+ int ret;
+ int i;
+
+ for (i = 0; i <= MIFARE_CL_PAGE_MAX; i++) {
+ ret = rfid_protocol_read(ph, i, buf, &len);
+ if (ret < 0)
+ return ret;
+
+ printf("Page 0x%x: %s\n", i, rfid_hexdump(buf, 4));
+ }
+ return 0;
+}
+
+
+int main(int argc, char **argv)
+{
+ int rc;
+ char buf[0x40];
+ int i, protocol;
+
+#if 0
+ if (argc) {
+ argc--;
+ argv++;
+ }
+
+ while (argc) {
+ if ( !strcmp (*argv, "--list")) {
+ char *p;
+ p = ccid_get_reader_list ();
+ if (!p)
+ return 1;
+ fputs (p, stderr);
+ free (p);
+ return 0;
+ }
+ else if ( !strcmp (*argv, "--debug")) {
+ ccid_set_debug_level (ccid_set_debug_level (-1) + 1);
+ argc--; argv++;
+ }
+ else
+ break;
+ }
+#endif
+
+ if (init() < 0)
+ exit(1);
+
+ //protocol = RFID_PROTOCOL_MIFARE_UL;
+ //protocol = RFID_PROTOCOL_MIFARE_CLASSIC;
+ protocol = RFID_PROTOCOL_TCL;
+
+ if (l3(protocol) < 0)
+ exit(1);
+
+ switch (protocol) {
+ case RFID_PROTOCOL_TCL:
+ /* we've established T=CL at this point */
+ select_mf();
+
+ iso7816_select_application();
+ iso7816_select_ef(0x011e);
+ iso7816_select_ef(0x0101);
+#if 1
+ for (i = 0; i < 4; i++)
+ iso7816_get_challenge(0x60);
+#endif
+ break;
+ case RFID_PROTOCOL_MIFARE_UL:
+ mifare_ulight_read(ph);
+#if 0
+ mifare_ulight_blank(ph);
+ mifare_ulight_write(ph);
+ mifare_ulight_read(ph);
+#endif
+ break;
+ case RFID_PROTOCOL_MIFARE_CLASSIC:
+ rc = mfcl_set_key(ph, MIFARE_CLASSIC_KEYB_DEFAULT);
+ if (rc < 0) {
+ printf("key format error\n");
+ exit(1);
+ }
+ rc = mfcl_auth(ph, RFID_CMD_MIFARE_AUTH1B, 10);
+ if (rc < 0) {
+ printf("mifare auth error\n");
+ exit(1);
+ } else
+ printf("mifare authe succeeded!\n");
+ mifare_classic_read(ph);
+ break;
+ }
+
+ rfid_reader_close(rh);
+
+ exit(0);
+}
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