mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-04 20:50:37 -08:00
172 lines
4.7 KiB
C
172 lines
4.7 KiB
C
/*
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* (c) 2015-2017 Marcos Del Sol Vives
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* (c) 2016 javiMaD
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <stdio.h>
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#include <string.h>
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#include "src/fileutils.h"
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#include "amiibo.h"
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#include "getopt.h"
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#define NTAG215_SIZE 540
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static char *self;
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void amiitool_usage(void) {
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fprintf(stderr,
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/*"amiitool build %i (commit %s-%08x)\n"*/
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"by Marcos Del Sol Vives <marcos@dracon.es>\n"
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"\n"
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"Usage: %s (-e|-d|-c) -k keyfile [-i input] [-s input2] [-o output]\n"
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" -e encrypt and sign amiibo\n"
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" -d decrypt and test amiibo\n"
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" -c decrypt, copy AppData and encrypt amiibo\n"
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" -k key set file. For retail amiibo, use \"retail unfixed\" key set\n"
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" -i input file. If not specified, stdin will be used.\n"
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" -s input save file, save from this file will replace input file ones.\n"
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" -o output file. If not specified, stdout will be used.\n"
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" -l decrypt files with invalid signatures.\n",
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self
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);
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}
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int main(int argc, char **argv) {
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self = argv[0];
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char *infile = NULL;
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char *savefile = NULL;
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char *outfile = NULL;
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char *keyfile = NULL;
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char op = '\0';
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bool lenient = false;
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int c;
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while ((c = getopt(argc, argv, "edci:s:o:k:l")) != -1) {
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switch (c) {
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case 'e':
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case 'd':
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case 'c':
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op = c;
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break;
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case 'i':
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infile = optarg;
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break;
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case 'k':
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keyfile = optarg;
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break;
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case 's':
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savefile = optarg;
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break;
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case 'o':
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outfile = optarg;
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break;
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case 'l':
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lenient = true;
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break;
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default:
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amiitool_usage();
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return 2;
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}
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}
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if (op == '\0' || keyfile == NULL) {
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amiitool_usage();
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return 1;
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}
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nfc3d_amiibo_keys_t amiiboKeys = {0};
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if (! LoadAmiikey(amiiboKeys, keyfile))
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return 5;
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uint8_t original[NTAG215_SIZE];
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uint8_t modified[NFC3D_AMIIBO_SIZE];
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FILE *f = stdin;
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if (infile) {
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f = fopen(infile, "rb");
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if (!f) {
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fprintf(stderr, "Could not open input file\n");
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return 3;
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}
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}
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size_t readPages = fread(original, 4, NTAG215_SIZE / 4, f);
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if (readPages < NFC3D_AMIIBO_SIZE / 4) {
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fprintf(stderr, "Could not read from input\n");
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fclose(f);
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return 3;
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}
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fclose(f);
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if (op == 'e') {
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nfc3d_amiibo_pack(&amiiboKeys, original, modified);
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} else if (op == 'd') {
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if (!nfc3d_amiibo_unpack(&amiiboKeys, original, modified)) {
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fprintf(stderr, "!!! WARNING !!!: Tag signature was NOT valid\n");
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if (!lenient) {
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return 6;
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}
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}
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} else { /* copy */
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uint8_t plain_base[NFC3D_AMIIBO_SIZE];
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uint8_t plain_save[NFC3D_AMIIBO_SIZE];
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if (!nfc3d_amiibo_unpack(&amiiboKeys, original, plain_base)) {
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fprintf(stderr, "!!! WARNING !!!: Tag signature was NOT valid\n");
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if (!lenient) {
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return 6;
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}
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}
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if (savefile) {
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f = fopen(savefile, "rb");
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if (!f) {
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fprintf(stderr, "Could not open save file\n");
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return 3;
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}
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}
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readPages = fread(original, 4, NTAG215_SIZE / 4, f);
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if (readPages < NFC3D_AMIIBO_SIZE / 4) {
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fprintf(stderr, "Could not read from save\n");
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fclose(f);
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return 3;
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}
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fclose(f);
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if (!nfc3d_amiibo_unpack(&amiiboKeys, original, plain_save)) {
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fprintf(stderr, "!!! WARNING !!!: Tag signature was NOT valid\n");
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if (!lenient) {
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return 6;
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}
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}
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nfc3d_amiibo_copy_app_data(plain_save, plain_base);
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nfc3d_amiibo_pack(&amiiboKeys, plain_base, modified);
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}
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f = stdout;
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if (outfile) {
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f = fopen(outfile, "wb");
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if (!f) {
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fprintf(stderr, "Could not open output file\n");
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return 4;
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}
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}
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if (fwrite(modified, NFC3D_AMIIBO_SIZE, 1, f) != 1) {
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fprintf(stderr, "Could not write to output\n");
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fclose(f);
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return 4;
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}
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if (readPages > NFC3D_AMIIBO_SIZE / 4) {
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if (fwrite(original + NFC3D_AMIIBO_SIZE, readPages * 4 - NFC3D_AMIIBO_SIZE, 1, f) != 1) {
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fprintf(stderr, "Could not write to output:\n");
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fclose(f);
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return 4;
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}
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}
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fclose(f);
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return 0;
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}
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