Add new example: mifare-ultralight-info.

examples/Makefile.am

@@ -13,7 +13,8 @@ bin_PROGRAMS = mifare-classic-format \
 	       mifare-desfire-format \
 	       mifare-desfire-info \
 	       mifare-desfire-read-ndef \
-	       mifare-desfire-write-ndef
+	       mifare-desfire-write-ndef \
+	       mifare-ultralight-info
 
 mifare_classic_format_SOURCES = mifare-classic-format.c
 mifare_classic_format_LDADD = $(top_builddir)/libfreefare/libfreefare.la
@@ -51,4 +52,7 @@ mifare_desfire_read_ndef_LDADD = $(top_builddir)/libfreefare/libfreefare.la
 mifare_desfire_write_ndef_SOURCES = mifare-desfire-write-ndef.c
 mifare_desfire_write_ndef_LDADD = $(top_builddir)/libfreefare/libfreefare.la
 
+mifare_ultralight_info_SOURCES = mifare-ultralight-info.c
+mifare_ultralight_info_LDADD = $(top_builddir)/libfreefare/libfreefare.la
+
 CLEANFILES=	*.gcno

examples/mifare-ultralight-info.c

@@ -0,0 +1,78 @@
+/*-
+ * Copyright (C) 2012, Romain Tartiere.
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 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 Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * 
+ * $Id$
+ */
+#include <err.h>
+#include <stdlib.h>
+
+#include <nfc/nfc.h>
+
+#include <freefare.h>
+
+int
+main (int argc, char *argv[])
+{
+    int error = EXIT_SUCCESS;
+    nfc_device *device = NULL;
+    MifareTag *tags = NULL;
+
+    if (argc > 1)
+	errx (EXIT_FAILURE, "usage: %s", argv[0]);
+
+    nfc_connstring devices[8];
+    size_t device_count;
+
+    nfc_init (NULL);
+
+    device_count = nfc_list_devices (NULL, devices, sizeof (devices) / sizeof (*devices));
+    if (device_count <= 0)
+	errx (EXIT_FAILURE, "No NFC device found");
+
+    for (size_t d = 0; d < device_count; d++) {
+	if (!(device = nfc_open (NULL, devices[d]))) {
+	    warnx ("nfc_open() failed.");
+	    error = EXIT_FAILURE;
+	    continue;
+	}
+
+        if (!(tags = freefare_get_tags (device))) {
+	    nfc_close (device);
+	    errx (EXIT_FAILURE, "Error listing tags.");
+	}
+
+	for (int i = 0; (!error) && tags[i]; i++) {
+	    switch (freefare_get_tag_type (tags[i])) {
+	    case ULTRALIGHT:
+	    case ULTRALIGHT_C:
+		break;
+	    default:
+		continue;
+	    }
+
+	    char *tag_uid = freefare_get_tag_uid (tags[i]);
+	    printf ("Tag with UID %s is a %s\n", tag_uid, freefare_get_tag_friendly_name (tags[i]));
+
+	    free (tag_uid);
+	}
+
+	freefare_free_tags (tags);
+	nfc_close (device);
+    }
+
+    nfc_exit (NULL);
+    exit(error);
+}