void test_mifare_ultralight_tag_friendly_name (void) { const char *name = freefare_get_tag_friendly_name (tag); cut_assert_not_null (name, cut_message ("freefare_get_tag_friendly_name() failed")); }
int main(int argc, const char *argv[]) { nfc_device *pnd; //nfc_target nt; MifareTag *tags = NULL; int i,j,k; int nbrsect=0; MifareClassicBlock data; // Allocate only a pointer to nfc_context nfc_context *context; // Initialize libnfc and set the nfc_context nfc_init(&context); if (context == NULL) { printf("Unable to init libnfc\n"); exit(EXIT_FAILURE); } // Open, using the first available NFC device which can be in order of selection: // - default device specified using environment variable or // - first specified device in libnfc.conf (/etc/nfc) or // - first specified device in device-configuration directory (/etc/nfc/devices.d) or // - first auto-detected (if feature is not disabled in libnfc.conf) device pnd = nfc_open(context, NULL); if (pnd == NULL) { printf("ERROR: %s\n", "Unable to open NFC device."); exit(EXIT_FAILURE); } printf("NFC reader: %s opened\n", nfc_device_get_name(pnd)); tags = freefare_get_tags(pnd); if (!tags) { printf("no Mifare classic\n"); } else { for (i = 0; tags[i]; i++) { switch(freefare_get_tag_type(tags[i])) { case CLASSIC_1K: printf("%u : Mifare 1k (S50) : %s\n", i, freefare_get_tag_uid(tags[i])); nbrsect=16; break; case CLASSIC_4K: printf("%u : Mifare 4k (S70) : %s\n", i, freefare_get_tag_uid(tags[i])); nbrsect=40; break; default: printf("%u : other ISO14443A tag : %s\n", i, freefare_get_tag_uid(tags[i])); } } } if (!tags[0]) { printf("no tag found !\n"); nfc_close(pnd); nfc_exit(context); exit(EXIT_FAILURE); } printf ("Found %s\n", freefare_get_tag_friendly_name (tags[0])); /* MifareClassicBlockNumber dablock = 1; if(mifare_classic_connect(tags[0]) == OPERATION_OK) { printf("Connected !\n"); if(mifare_classic_authenticate(tags[0], dablock, keys[0], MFC_KEY_A) == OPERATION_OK) { printf("Authenticated !\n"); if(mifare_classic_get_data_block_permission (tags[0], dablock, MCAB_R|MCAB_W, MFC_KEY_A)) printf("i can READ block %d with key A\n", dablock); if(mifare_classic_get_trailer_block_permission (tags[0], ((dablock)/4)*4+3, MCAB_READ_KEYB, MFC_KEY_B)) printf("i can READ KEY A in trailer\n"); } } */ for(i=0; i<nbrsect; i++) { for(j=0; j < sizeof(keys)/sizeof(keys[0]); j++) { if((mifare_classic_connect(tags[0]) == OPERATION_OK) && (mifare_classic_authenticate( tags[0], mifare_classic_sector_last_block(i), keys[j], MFC_KEY_A) == OPERATION_OK)) { printf("sector %02d auth with A[%d]\n", i, j); for(k=mifare_classic_sector_first_block(i); k<=mifare_classic_sector_last_block(i); k++) { if(mifare_classic_read(tags[0], k, &data) == OPERATION_OK) { print_hex(data,16); } else { printf("read error\n"); } } mifare_classic_disconnect(tags[0]); break; } mifare_classic_disconnect(tags[0]); } printf("\n"); } printf("\n"); freefare_free_tags(tags); // Close NFC device nfc_close(pnd); // Release the context nfc_exit(context); exit(EXIT_SUCCESS); }
int main(int argc, char *argv[]) { int ch; int error = EXIT_SUCCESS; nfc_device *device = NULL; MifareTag *tags = NULL; while ((ch = getopt (argc, argv, "hyK:")) != -1) { switch (ch) { case 'h': usage(argv[0]); exit (EXIT_SUCCESS); break; case 'y': configure_options.interactive = false; break; case 'K': if (strlen(optarg) != 16) { usage(argv[0]); exit (EXIT_FAILURE); } uint64_t n = strtoull(optarg, NULL, 16); int i; for (i=7; i>=0; i--) { key_data_picc[i] = (uint8_t) n; n >>= 8; } break; default: usage(argv[0]); exit (EXIT_FAILURE); } } // Remaining args, if any, are in argv[optind .. (argc-1)] nfc_connstring devices[8]; size_t device_count; nfc_context *context; nfc_init (&context); if (context == NULL) errx(EXIT_FAILURE, "Unable to init libnfc (malloc)"); device_count = nfc_list_devices (context, devices, 8); if (device_count <= 0) errx (EXIT_FAILURE, "No NFC device found."); for (size_t d = 0; (!error) && (d < device_count); d++) { device = nfc_open (context, devices[d]); if (!device) { warnx ("nfc_open() failed."); error = EXIT_FAILURE; continue; } tags = freefare_get_tags (device); if (!tags) { nfc_close (device); errx (EXIT_FAILURE, "Error listing Mifare DESFire tags."); } for (int i = 0; (!error) && tags[i]; i++) { if (DESFIRE != freefare_get_tag_type (tags[i])) continue; char *tag_uid = freefare_get_tag_uid (tags[i]); char buffer[BUFSIZ]; int res; res = mifare_desfire_connect (tags[i]); if (res < 0) { warnx ("Can't connect to Mifare DESFire target."); error = EXIT_FAILURE; break; } // Make sure we've at least an EV1 version struct mifare_desfire_version_info info; res = mifare_desfire_get_version (tags[i], &info); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_get_version"); error = 1; break; } if (info.software.version_major < 1) { warnx ("Found old DESFire, skipping"); continue; } printf ("Found %s with UID %s. ", freefare_get_tag_friendly_name (tags[i]), tag_uid); bool do_it = true; if (configure_options.interactive) { printf ("Change ATS? [yN] "); fgets (buffer, BUFSIZ, stdin); do_it = ((buffer[0] == 'y') || (buffer[0] == 'Y')); } else { printf ("\n"); } if (do_it) { MifareDESFireKey key_picc = mifare_desfire_des_key_new_with_version (key_data_picc); res = mifare_desfire_authenticate (tags[i], 0, key_picc); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_authenticate"); error = EXIT_FAILURE; break; } mifare_desfire_key_free (key_picc); res = mifare_desfire_set_ats (tags[i], new_ats); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_set_ats"); error = EXIT_FAILURE; break; } } mifare_desfire_disconnect (tags[i]); free (tag_uid); } freefare_free_tags (tags); nfc_close (device); } nfc_exit (context); exit (error); } /* main() */
int main(int argc, char *argv[]) { int ch; int error = EXIT_SUCCESS; nfc_device *device = NULL; MifareTag *tags = NULL; while ((ch = getopt (argc, argv, "hyK:")) != -1) { switch (ch) { case 'h': usage(argv[0]); exit (EXIT_SUCCESS); break; case 'y': format_options.interactive = false; break; case 'K': if (strlen(optarg) != 16) { usage(argv[0]); exit (EXIT_FAILURE); } uint64_t n = strtoull(optarg, NULL, 16); int i; for (i=7; i>=0; i--) { key_data_picc[i] = (uint8_t) n; n >>= 8; } break; default: usage(argv[0]); exit (EXIT_FAILURE); } } // Remaining args, if any, are in argv[optind .. (argc-1)] nfc_connstring devices[8]; size_t device_count; nfc_context *context; nfc_init (&context); device_count = nfc_list_devices (context, devices, 8); if (device_count <= 0) errx (EXIT_FAILURE, "No NFC device found."); for (size_t d = 0; (!error) && (d < device_count); d++) { device = nfc_open (context, devices[d]); if (!device) { warnx ("nfc_open() failed."); error = EXIT_FAILURE; continue; } tags = freefare_get_tags (device); if (!tags) { nfc_close (device); errx (EXIT_FAILURE, "Error listing Mifare DESFire tags."); } for (int i = 0; (!error) && tags[i]; i++) { if (DESFIRE != freefare_get_tag_type (tags[i])) continue; char *tag_uid = freefare_get_tag_uid (tags[i]); char buffer[BUFSIZ]; printf ("Found %s with UID %s. ", freefare_get_tag_friendly_name (tags[i]), tag_uid); bool format = true; if (format_options.interactive) { printf ("Format [yN] "); fgets (buffer, BUFSIZ, stdin); format = ((buffer[0] == 'y') || (buffer[0] == 'Y')); } else { printf ("\n"); } if (format) { int res; res = mifare_desfire_connect (tags[i]); if (res < 0) { warnx ("Can't connect to Mifare DESFire target."); error = EXIT_FAILURE; break; } MifareDESFireKey key_picc = mifare_desfire_des_key_new_with_version (key_data_picc); res = mifare_desfire_authenticate (tags[i], 0, key_picc); if (res < 0) { warnx ("Can't authenticate on Mifare DESFire target."); error = EXIT_FAILURE; break; } mifare_desfire_key_free (key_picc); // Send Mifare DESFire ChangeKeySetting to change the PICC master key settings into : // bit7-bit4 equal to 0000b // bit3 equal to 1b, the configuration of the PICC master key MAY be changeable or frozen // bit2 equal to 1b, CreateApplication and DeleteApplication commands are allowed without PICC master key authentication // bit1 equal to 1b, GetApplicationIDs, and GetKeySettings are allowed without PICC master key authentication // bit0 equal to 1b, PICC masterkey MAY be frozen or changeable res = mifare_desfire_change_key_settings (tags[i],0x0F); if (res < 0) errx (EXIT_FAILURE, "ChangeKeySettings failed"); res = mifare_desfire_format_picc (tags[i]); if (res < 0) { warn ("Can't format PICC."); error = EXIT_FAILURE; break; } mifare_desfire_disconnect (tags[i]); } free (tag_uid); } freefare_free_tags (tags); nfc_close (device); } nfc_exit (context); exit (error); } /* main() */
int NFC_Mifare_Classic_Format(int argc, char *argv[]) //! Formattage d'une carte MIFARE Classic { int ch; int error = EXIT_SUCCESS; nfc_device *device = NULL; MifareTag *tags = NULL; while ((ch = getopt (argc, argv, "fhy")) != -1) { switch (ch) { case 'f': format_options.fast = true; break; case 'y': format_options.interactive = false; break; default: sprintf(message_erreur,"Syntaxe incorrecte !"); return EXIT_FAILURE; } } //! Remaining args, if any, are in argv[optind .. (argc-1)] memcpy(default_keys, default_keys_int, sizeof(default_keys_int)); if ((argc - optind) > 0) { int i, rc; char kbuffer[1024] = {0}; memset ( kbuffer, 0, sizeof kbuffer); FILE *fp = fopen(argv[optind], "rb"); if (fp == NULL) { // errx(EXIT_FAILURE, "Unable to open file"); sprintf(message_erreur,"Unable to open file !"); return EXIT_FAILURE; } for (i = 0; (rc = getc(fp)) != EOF && i < 1024; kbuffer[i++] = rc) { } fclose(fp); i = sizeof(default_keys_int) / 6; int s; for(s = 0; s<16; s++) { int startblock = s * 4; int pos_a = (startblock + 3) * 16; int pos_b = (startblock + 3) * 16 + 10; memcpy((default_keys + i++), kbuffer + pos_a, 6); memcpy((default_keys + i++), kbuffer + pos_b, 6); } } nfc_connstring devices[8]; size_t device_count; nfc_context *context; nfc_init (&context); if (context == NULL) { // errx(EXIT_FAILURE, "Unable to init libnfc (malloc) !"); sprintf(message_erreur,"Unable to init libnfc (malloc) !"); return EXIT_FAILURE; } device_count = nfc_list_devices (context, devices, 8); if (device_count <= 0) { // errx (EXIT_FAILURE, "Error opening NFC reader !"); sprintf(message_erreur,"Error opening NFC reader !"); return EXIT_FAILURE; } size_t d; for (d = 0; d < device_count; d++) { device = nfc_open (context, devices[d]); if (!device) { sprintf(message_erreur,"Error opening NFC reader !"); error = EXIT_FAILURE; continue; } tags = freefare_get_tags (device); if (!tags) { nfc_close (device); // errx (EXIT_FAILURE, "Error listing Mifare Classic tag !"); sprintf(message_erreur,"Error listing Mifare Classic tag !"); return EXIT_FAILURE; } int i; for (i = 0; (!error) && tags[i]; i++) { switch (freefare_get_tag_type (tags[i])) { case CLASSIC_1K: case CLASSIC_4K: break; default: continue; } char *tag_uid = freefare_get_tag_uid (tags[i]); char buffer[BUFSIZ]; #ifdef DEBUG_PRINTF fprintf(stderr,"Found %s with UID %s. ", freefare_get_tag_friendly_name (tags[i]), tag_uid); #endif bool format = true; if (format_options.interactive) { #ifdef DEBUG_PRINTF fprintf(stderr,"Format [yN] "); #endif fgets (buffer, BUFSIZ, stdin); format = ((buffer[0] == 'y') || (buffer[0] == 'Y')); } else { #ifdef DEBUG_PRINTF fprintf(stderr,"\n"); #endif } if (format) { enum mifare_tag_type tt = freefare_get_tag_type (tags[i]); at_block = 0; if (format_options.fast) { printf (START_FORMAT_N, (tt == CLASSIC_1K) ? 1 : 2); if (!try_format_sector (tags[i], 0x00)) break; if (tt == CLASSIC_4K) if (!try_format_sector (tags[i], 0x10)) break; printf (DONE_FORMAT); continue; } switch (tt) { case CLASSIC_1K: mod_block = 4; if (!format_mifare_classic_1k (tags[i])) error = 1; break; case CLASSIC_4K: mod_block = 10; if (!format_mifare_classic_4k (tags[i])) error = 1; break; default: /* Keep compiler quiet */ break; } } free (tag_uid); } freefare_free_tags (tags); nfc_close (device); } nfc_exit (context); return error; }
int main(int argc, char *argv[]) { MYSQL *conn; MYSQL_RES *result; MYSQL_ROW row; int retval; conn = mysql_init(NULL); retval = mysql_real_connect(conn, def_host_name, def_user_name, def_password, def_db_name, def_port_num, def_socket_name, def_client_flag); if(!retval) { printf("Error connecting to database: %s\n", mysql_error(conn)); return -1; } printf("Connection successful\n"); int error = 0; nfc_device_t *device = NULL; MifareTag *tags = NULL; Mad mad; MifareClassicKey transport_key = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; char ndef_input[15] = {'\0'}; char ID[9] = {'\0'}; double balance = 0; printf("\nID: "); scanf("%s", ID); while (getchar() != '\n') continue; printf("\nBalance: "); scanf("%lf", &balance); while (getchar() != '\n') continue; ID[0] = toupper(ID[0]); ID[1] = toupper(ID[1]); char balance_char[6] = {'\0'}; snprintf(balance_char, 6, "%.2f", balance); //ensure balance always with 4 digit, 4.00 => 04.00 char final_balance[6] = {'\0'}; if(strlen(balance_char) != 5) { strcat(final_balance, "0"); strcat(final_balance, balance_char); } else { strcpy(final_balance, balance_char); } strcat(ndef_input, ID); strcat(ndef_input, final_balance); int i = 0; if (ndef_input == NULL) { printf("Write default message.\n"); for(i=0; i < sizeof(ndef_default_msg); i++) { ndef_msg[i] = (uint8_t)ndef_default_msg[i]; } ndef_msg_len = sizeof(ndef_default_msg); } else { for(i=0; i < strlen(ndef_input); i++) { ndef_msg[i] = (uint8_t)ndef_input[i]; } ndef_msg_len = strlen(ndef_input); } printf ("NDEF message is %zu bytes long.\n", ndef_msg_len); struct mifare_classic_key_and_type *card_write_keys; if (!(card_write_keys = malloc (40 * sizeof (*card_write_keys)))) { err (EXIT_FAILURE, "malloc"); } nfc_device_desc_t devices[8]; size_t device_count; nfc_list_devices (devices, 8, &device_count); if (!device_count) errx (EXIT_FAILURE, "No NFC device found."); for (size_t d = 0; d < device_count; d++) { device = nfc_connect (&(devices[d])); if (!device) { warnx ("nfc_connect() failed."); error = EXIT_FAILURE; continue; } tags = freefare_get_tags (device); if (!tags) { nfc_disconnect (device); errx (EXIT_FAILURE, "Error listing MIFARE classic tag."); } for (int i = 0; (!error) && tags[i]; i++) { switch (freefare_get_tag_type (tags[i])) { case CLASSIC_1K: case CLASSIC_4K: break; default: continue; } char *tag_uid = freefare_get_tag_uid (tags[i]); char buffer[BUFSIZ]; printf ("Found %s with UID %s.\n", freefare_get_tag_friendly_name (tags[i]), tag_uid); bool write_ndef = true; for (int n = 0; n < 40; n++) { memcpy(card_write_keys[n].key, transport_key, sizeof (transport_key)); card_write_keys[n].type = MFC_KEY_A; } if (write_ndef) { switch (freefare_get_tag_type (tags[i])) { case CLASSIC_4K: if (!search_sector_key (tags[i], 0x10, &(card_write_keys[0x10].key), &(card_write_keys[0x10].type))) { error = 1; goto error; } /* fallthrough */ case CLASSIC_1K: if (!search_sector_key (tags[i], 0x00, &(card_write_keys[0x00].key), &(card_write_keys[0x00].type))) { error = 1; goto error; } break; default: /* Keep compiler quiet */ break; } if (!error) { /* Ensure the auth key is always a B one. If not, change it! */ switch (freefare_get_tag_type (tags[i])) { case CLASSIC_4K: if (card_write_keys[0x10].type != MFC_KEY_B) { if( 0 != fix_mad_trailer_block (device, tags[i], 0x10, card_write_keys[0x10].key, card_write_keys[0x10].type)) { error = 1; goto error; } memcpy (&(card_write_keys[0x10].key), &default_keyb, sizeof (MifareClassicKey)); card_write_keys[0x10].type = MFC_KEY_B; } /* fallthrough */ case CLASSIC_1K: if (card_write_keys[0x00].type != MFC_KEY_B) { if( 0 != fix_mad_trailer_block (device, tags[i], 0x00, card_write_keys[0x00].key, card_write_keys[0x00].type)) { error = 1; goto error; } memcpy (&(card_write_keys[0x00].key), &default_keyb, sizeof (MifareClassicKey)); card_write_keys[0x00].type = MFC_KEY_B; } break; default: /* Keep compiler quiet */ break; } } size_t encoded_size; uint8_t *tlv_data = tlv_encode (3, ndef_msg, ndef_msg_len, &encoded_size); /* * At his point, we should have collected all information needed to * succeed. */ // If the card already has a MAD, load it. if ((mad = mad_read (tags[i]))) { // If our application already exists, erase it. MifareClassicSectorNumber *sectors, *p; sectors = p = mifare_application_find (mad, mad_nfcforum_aid); if (sectors) { while (*p) { if (mifare_classic_authenticate (tags[i], mifare_classic_sector_last_block(*p), default_keyb, MFC_KEY_B) < 0) { nfc_perror (device, "mifare_classic_authenticate"); error = 1; goto error; } if (mifare_classic_format_sector (tags[i], *p) < 0) { nfc_perror (device, "mifare_classic_format_sector"); error = 1; goto error; } p++; } } free (sectors); mifare_application_free (mad, mad_nfcforum_aid); } else { // Create a MAD and mark unaccessible sectors in the card if (!(mad = mad_new ((freefare_get_tag_type (tags[i]) == CLASSIC_4K) ? 2 : 1))) { perror ("mad_new"); error = 1; goto error; } MifareClassicSectorNumber max_s; switch (freefare_get_tag_type (tags[i])) { case CLASSIC_1K: max_s = 15; break; case CLASSIC_4K: max_s = 39; break; default: /* Keep compiler quiet */ break; } // Mark unusable sectors as so for (size_t s = max_s; s; s--) { if (s == 0x10) continue; if (!search_sector_key (tags[i], s, &(card_write_keys[s].key), &(card_write_keys[s].type))) { mad_set_aid (mad, s, mad_defect_aid); } else if ((memcmp (card_write_keys[s].key, transport_key, sizeof (transport_key)) != 0) && (card_write_keys[s].type != MFC_KEY_A)) { // Revert to transport configuration if (mifare_classic_format_sector (tags[i], s) < 0) { nfc_perror (device, "mifare_classic_format_sector"); error = 1; goto error; } } } } MifareClassicSectorNumber *sectors = mifare_application_alloc (mad, mad_nfcforum_aid, encoded_size); if (!sectors) { nfc_perror (device, "mifare_application_alloc"); error = EXIT_FAILURE; goto error; } if (mad_write (tags[i], mad, card_write_keys[0x00].key, card_write_keys[0x10].key) < 0) { nfc_perror (device, "mad_write"); error = EXIT_FAILURE; goto error; } int s = 0; while (sectors[s]) { MifareClassicBlockNumber block = mifare_classic_sector_last_block (sectors[s]); MifareClassicBlock block_data; mifare_classic_trailer_block (&block_data, mifare_classic_nfcforum_public_key_a, 0x0, 0x0, 0x0, 0x6, 0x40, default_keyb); if (mifare_classic_authenticate (tags[i], block, card_write_keys[sectors[s]].key, card_write_keys[sectors[s]].type) < 0) { nfc_perror (device, "mifare_classic_authenticate"); error = EXIT_FAILURE; goto error; } if (mifare_classic_write (tags[i], block, block_data) < 0) { nfc_perror (device, "mifare_classic_write"); error = EXIT_FAILURE; goto error; } s++; } if ((ssize_t) encoded_size != mifare_application_write (tags[i], mad, mad_nfcforum_aid, tlv_data, encoded_size, default_keyb, MCAB_WRITE_KEYB)) { nfc_perror (device, "mifare_application_write"); error = EXIT_FAILURE; goto error; } //create new student record in database char sql_stmnt[57] = {'\0'}; int n = 0; //filter tag_uid ulong uid_length = strlen(tag_uid); char uid_esc[(2 * uid_length)+1]; mysql_real_escape_string(conn, uid_esc, tag_uid, uid_length); //filter ID ulong id_length = strlen(ID); char id_esc[(2 * id_length)+1]; mysql_real_escape_string(conn, id_esc, ID, id_length); n = snprintf(sql_stmnt, 57, "INSERT INTO student VALUES('%s', '%s', %.1f)", uid_esc, id_esc, balance); retval = mysql_real_query(conn, sql_stmnt, n); if(retval) { printf("Inserting data from DB Failed\n"); return -1; } printf("Insert to DB successful\n"); free (sectors); free (tlv_data); free (mad); } error: free (tag_uid); } //should at the line 412, but the compiler keep on complaining //jump into scope of identifier with variably modified type //no idea why that happens, goto is always call inside any {} to outside error: //even at 412, still not outside enough freefare_free_tags (tags); nfc_disconnect (device); } free (card_write_keys); mysql_free_result(result); mysql_close(conn); exit (error); }
int main(int argc, char *argv[]) { int ch; int error = EXIT_SUCCESS; nfc_device *device = NULL; FreefareTag *tags = NULL; while ((ch = getopt (argc, argv, "hy")) != -1) { switch (ch) { case 'h': usage(argv[0]); exit (EXIT_SUCCESS); break; case 'y': configure_options.interactive = false; break; default: usage(argv[0]); exit (EXIT_FAILURE); } } // Remaining args, if any, are in argv[optind .. (argc-1)] nfc_connstring devices[8]; size_t device_count; nfc_context *context; nfc_init (&context); if (context == NULL) errx(EXIT_FAILURE, "Unable to init libnfc (malloc)"); device_count = nfc_list_devices (context, devices, 8); if (device_count <= 0) errx (EXIT_FAILURE, "No NFC device found."); for (size_t d = 0; (!error) && (d < device_count); d++) { device = nfc_open (context, devices[d]); if (!device) { warnx ("nfc_open() failed."); error = EXIT_FAILURE; continue; } tags = freefare_get_tags (device); if (!tags) { nfc_close (device); errx (EXIT_FAILURE, "Error listing Mifare DESFire tags."); } for (int i = 0; (!error) && tags[i]; i++) { if (MIFARE_DESFIRE != freefare_get_tag_type (tags[i])) continue; char *tag_uid = freefare_get_tag_uid (tags[i]); char buffer[BUFSIZ]; int res; res = mifare_desfire_connect (tags[i]); if (res < 0) { warnx ("Can't connect to Mifare DESFire target."); error = EXIT_FAILURE; break; } // Make sure we've at least an EV1 version struct mifare_desfire_version_info info; res = mifare_desfire_get_version (tags[i], &info); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_get_version"); error = 1; break; } if (info.software.version_major < 1) { warnx ("Found old DESFire, skipping"); continue; } printf ("Found %s with UID %s. ", freefare_get_tag_friendly_name (tags[i]), tag_uid); bool do_it = true; if (configure_options.interactive) { printf ("Change default key? [yN] "); fgets (buffer, BUFSIZ, stdin); do_it = ((buffer[0] == 'y') || (buffer[0] == 'Y')); } else { printf ("\n"); } if (do_it) { MifareDESFireKey default_key = mifare_desfire_des_key_new_with_version (null_key_data); res = mifare_desfire_authenticate (tags[i], 0, default_key); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_authenticate"); error = EXIT_FAILURE; break; } mifare_desfire_key_free (default_key); MifareDESFireKey new_key = mifare_desfire_des_key_new (new_key_data); mifare_desfire_key_set_version (new_key, NEW_KEY_VERSION); res = mifare_desfire_set_default_key (tags[i], new_key); free (new_key); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_set_default_key"); error = EXIT_FAILURE; break; } /* * Perform some tests to ensure the function actually worked * (it's hard to create a unit-test to do so). */ MifareDESFireAID aid = mifare_desfire_aid_new (0x112233); res = mifare_desfire_create_application (tags[i], aid, 0xFF, 1); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_create_application"); error = EXIT_FAILURE; break; } res = mifare_desfire_select_application (tags[i], aid); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_select_application"); error = EXIT_FAILURE; break; } uint8_t version; res = mifare_desfire_get_key_version (tags[i], 0, &version); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_get_key_version"); error = EXIT_FAILURE; break; } if (version != NEW_KEY_VERSION) { fprintf (stderr, "Wrong key version: %02x (expected %02x).\n", version, NEW_KEY_VERSION); error = EXIT_FAILURE; /* continue */ } new_key = mifare_desfire_des_key_new (new_key_data); res = mifare_desfire_authenticate (tags[i], 0, new_key); free (new_key); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_authenticate"); error = EXIT_FAILURE; break; } free (aid); /* Resetdefault settings */ res = mifare_desfire_select_application (tags[i], NULL); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_select_application"); error = EXIT_FAILURE; break; } default_key = mifare_desfire_des_key_new (null_key_data); res = mifare_desfire_authenticate (tags[i], 0, default_key); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_authenticate"); error = EXIT_FAILURE; break; } res = mifare_desfire_set_default_key (tags[i], default_key); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_set_default_key"); error = EXIT_FAILURE; break; } mifare_desfire_key_free (default_key); /* Wipeout the card */ res = mifare_desfire_format_picc (tags[i]); if (res < 0) { freefare_perror (tags[i], "mifare_desfire_format_picc"); error = EXIT_FAILURE; break; } } mifare_desfire_disconnect (tags[i]); free (tag_uid); } freefare_free_tags (tags); nfc_close (device); } nfc_exit (context); exit (error); }
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_context *context; nfc_init (&context); device_count = nfc_list_devices (context, 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 (context, 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])); if (freefare_get_tag_type (tags[i]) == ULTRALIGHT_C) { MifareTag tag = tags[i]; int res; MifareDESFireKey key; uint8_t key1_3des_data[16] = { 0x49, 0x45, 0x4D, 0x4B, 0x41, 0x45, 0x52, 0x42, 0x21, 0x4E, 0x41, 0x43, 0x55, 0x4F, 0x59, 0x46 }; key = mifare_desfire_3des_key_new (key1_3des_data); if (mifare_ultralight_connect (tag) < 0) errx (EXIT_FAILURE, "Error connecting to tag."); res = mifare_ultralightc_authenticate (tag, key); printf ("Authentication with default key: %s\n", res ? "fail" : "success"); mifare_desfire_key_free (key); mifare_ultralight_disconnect (tag); } free (tag_uid); } freefare_free_tags (tags); nfc_close (device); } nfc_exit (context); exit(error); }
int main(int argc, char **argv) { int option; int bootstrap_only = 0; int no_confirmation = 0; int recreate = 0; while( (option = getopt(argc, argv, "byr")) != -1 ) { switch(option) { case 'b': bootstrap_only = 1; break; case 'y': no_confirmation = 1; break; case 'r': recreate = 1; break; default: usage(argv[0], 0); return -1; } } if(bootstrap_only && (no_confirmation || recreate)) { fprintf(stderr, "Error: Only bootstrapping and card production are mutually exclusive\n\n"); usage(argv[0], 1); return -1; } if(optind+1 > argc) { fprintf(stderr, "Error: Need to specify the base directory\n\n"); usage(argv[0], 1); return -1; } char *base_directory = argv[optind++]; char *card_name = NULL; char *card_id = NULL; if(!bootstrap_only) { if(optind+1 > argc) { fprintf(stderr, "Error: Need to specify the card name\n\n"); usage(argv[0], 1); return -1; } card_name = argv[optind++]; } if(recreate) { if(optind+1 <= argc) { card_id = argv[optind++]; } } if(optind != argc) { fprintf(stderr, "Error: Too many arguments\n\n"); usage(argv[0], 1); return -1; } int retval = -1; openkey_context_t ctx = openkey_init(); if(ctx == NULL) { fprintf(stderr, "Error: Couldn't initialize openkey context\n"); goto abort; } if(openkey_role_add(ctx, OPENKEY_ROLE_CARD_PRODUCER, base_directory) < 0) { fprintf(stderr, "Error: Couldn't add the card producer role to the openkey context\n"); goto abort; } if(!openkey_producer_is_bootstrapped(ctx)) { printf("Note: Bootstrapping card producer role and generating secret keys\n"); printf("\tThis may take some time ... \n"); } int r = openkey_producer_bootstrap(ctx); if(r < 0) { fprintf(stderr, "Error: Couldn't bootstrap the card producer\n"); goto abort; } else if(r == 0) { printf("Card producer was successfully bootstrapped\n"); } if(bootstrap_only) { retval = 0; goto abort; } MifareTag tag = NULL; retval = 0; if(helpers_first_tag(NULL, &tag) > 0) { do { if(freefare_get_tag_type(tag) != DESFIRE) { continue; } char *tag_uid = freefare_get_tag_uid(tag); const char *tag_name = freefare_get_tag_friendly_name(tag); printf("Found %s with UID %s", tag_name, tag_uid); free(tag_uid); bool confirm = 0; if(!no_confirmation) { printf(": %sInitialize this card for use with openkey? (y/n) ", recreate ? "Re-" : ""); confirm = helpers_confirm(); } else { printf(". "); } if(confirm || no_confirmation) { printf("Initializing card ...\n"); int r = -1; if(recreate) { r = openkey_producer_card_recreate(ctx, tag, card_name, card_id); } else { r = openkey_producer_card_create(ctx, tag, card_name); } if(r < 0) { printf("Error while initializing card. Error code: %i\n", r); retval = -1; } else { printf("Card successfully initialized\n"); } } } while(helpers_next_tag(NULL, &tag) > 0); } else { fprintf(stderr, "No card to initialize found\n"); retval = -1; } abort: if(ctx != NULL) { openkey_fini(ctx); } helpers_cleanup(); return retval; }