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forgot the reverse part

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This commit is contained in:
iceman1001 2024-01-25 00:37:15 +01:00
parent f7e4b4e2eb
commit 8456e41b02
1 changed files with 15 additions and 4 deletions
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19
armsrc/iso15693.c
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@ -2137,11 +2137,21 @@ void SimTagIso15693(uint8_t *uid, uint8_t block_size) {
reply_ng(CMD_HF_ISO15693_SIMULATE, PM3_EFAILED, NULL, 0);
return;
}
if (uid != NULL) { // new tag (need initialization)
uint8_t nullUid[8] = { 0 };
if (memcmp(uid, nullUid, 8) != 0) {
// new tag (need initialization)
if (uid != NULL) {
uint8_t empty[8] = { 0 };
if (memcmp(uid, empty, 8) != 0) {
// simulate a new tag bazed on client parameters
memcpy(tag->uid, uid, 8);
tag->uid[0] = uid[7]; // always E0
tag->uid[1] = uid[6]; // IC Manufacturer code
tag->uid[2] = uid[5];
tag->uid[3] = uid[4];
tag->uid[4] = uid[3];
tag->uid[5] = uid[2];
tag->uid[6] = uid[1];
tag->uid[7] = uid[0];
tag->dsfid = 0;
tag->dsfidLock = false;
tag->afi = 0;
@ -2153,6 +2163,7 @@ void SimTagIso15693(uint8_t *uid, uint8_t block_size) {
memset(tag->data, 0, sizeof(tag->data));
}
}
if (tag->pagesCount > ISO15693_TAG_MAX_PAGES || \
tag->pagesCount * tag->bytesPerPage > ISO15693_TAG_MAX_SIZE ||
tag->pagesCount == 0 || tag->bytesPerPage == 0) {