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Merge pull request #172 from McEloff/hfmfu

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UL/NTAG new dump file format. Added counters support, simulation
This commit is contained in:
Iceman
2019-04-25 16:10:03 +02:00
committed by GitHub
parent fe35a972f5 66ee8dc09e
commit f227041932
11 changed files with 216 additions and 93 deletions
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49
client/loclass/fileutils.c
View File

@@ -218,20 +218,24 @@ int saveFileJSON(const char *preferredName, const char *suffix, JSONFileType fty
memcpy(uid, tmp->data, 3);
memcpy(uid + 3, tmp->data + 4, 4);
char path[PATH_MAX_LENGTH] = {0};
JsonSaveBufAsHexCompact(root, "$.Card.UID", uid, sizeof(uid));
JsonSaveBufAsHexCompact(root, "$.Card.Version", tmp->version, sizeof(tmp->version));
JsonSaveBufAsHexCompact(root, "$.Card.TBO_0", tmp->tbo, sizeof(tmp->tbo));
JsonSaveBufAsHexCompact(root, "$.Card.Tearing", tmp->tearing, sizeof(tmp->tearing));
JsonSaveBufAsHexCompact(root, "$.Card.Pack", tmp->pack, sizeof(tmp->pack));
JsonSaveBufAsHexCompact(root, "$.Card.TBO_1", tmp->tbo1, sizeof(tmp->tbo1));
JsonSaveBufAsHexCompact(root, "$.Card.Signature", tmp->signature, sizeof(tmp->signature));
JsonSaveStr(root, "$.Card.Counter", "N/A");
for (uint8_t i = 0; i < 3; i ++) {
sprintf(path, "$.Card.Counter%d", i);
JsonSaveBufAsHexCompact(root, path, tmp->counter_tearing[i], 3);
sprintf(path, "$.Card.Tearing%d", i);
JsonSaveBufAsHexCompact(root, path, tmp->counter_tearing[i] + 3, 1);
}
// size of header 48b
size_t len = (datalen - DUMP_PREFIX_LENGTH) / 4;
// size of header 56b
size_t len = (datalen - MFU_DUMP_PREFIX_LENGTH) / 4;
for (size_t i = 0; i < len; i++) {
char path[PATH_MAX_LENGTH] = {0};
sprintf(path, "$.blocks.%zu", i);
JsonSaveBufAsHexCompact(root, path, tmp->data + (i * 4), 4);
}
@@ -564,6 +568,39 @@ out:
return retval;
}
int convertOldMfuDump(uint8_t **dump, size_t *dumplen) {
if (!dump || !dumplen || *dumplen < OLD_MFU_DUMP_PREFIX_LENGTH)
return 1;
// try to check new file format
mfu_dump_t *mfu_dump = (mfu_dump_t *) *dump;
if ((*dumplen - MFU_DUMP_PREFIX_LENGTH) / 4 - 1 == mfu_dump->pages)
return 0;
// convert old format
old_mfu_dump_t *old_mfu_dump = (old_mfu_dump_t *) *dump;
size_t old_data_len = *dumplen - OLD_MFU_DUMP_PREFIX_LENGTH;
size_t new_dump_len = old_data_len + MFU_DUMP_PREFIX_LENGTH;
mfu_dump = (mfu_dump_t *) calloc(new_dump_len, sizeof(uint8_t));
memcpy(mfu_dump->version, old_mfu_dump->version, 8);
memcpy(mfu_dump->tbo, old_mfu_dump->tbo, 2);
mfu_dump->tbo1[0] = old_mfu_dump->tbo1[0];
memcpy(mfu_dump->signature, old_mfu_dump->signature, 32);
for (int i = 0; i < 3; i++)
mfu_dump->counter_tearing[i][3] = old_mfu_dump->tearing[i];
memcpy(mfu_dump->data, old_mfu_dump->data, old_data_len);
mfu_dump->pages = old_data_len / 4 - 1;
// free old buffer, return new buffer
*dumplen = new_dump_len;
free(*dump);
*dump = (uint8_t *) mfu_dump;
PrintAndLogDevice(SUCCESS, "old mfu dump format, was converted on load to " _GREEN_("%d") " pages", mfu_dump->pages + 1);
return 0;
}
#else //if we're on ARM
#endif

10
client/loclass/fileutils.h
View File

@@ -158,6 +158,15 @@ int loadFileJSON(const char *preferredName, const char *suffix, void *data, size
*/
int loadFileDICTIONARY(const char *preferredName, const char *suffix, void *data, size_t *datalen, uint8_t keylen, uint16_t *keycnt);
/**
* @brief Utility function to check and convert old mfu dump format to new
*
* @param dump pointer to loaded dump to check and convert format
* @param dumplen the number of bytes loaded dump and converted
* @return 0 for ok, 1 for fails
*/
int convertOldMfuDump(uint8_t **dump, size_t *dumplen);
#define PrintAndLogDevice(level, format, args...) PrintAndLogEx(level, format , ## args)
#else
@@ -171,6 +180,7 @@ int loadFileDICTIONARY(const char *preferredName, const char *suffix, void *data
#define PrintAndLogDevice(level, format, args...) { }
#endif //ON_DEVICE
#endif // FILEUTILS_H