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iceclass reader attack mode to save unique files

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This commit is contained in:
iceman1001 2020-08-08 17:45:07 +02:00
commit 66d18eb00f
1 changed files with 20 additions and 8 deletions
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28
armsrc/Standalone/hf_iceclass.c
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@ -28,7 +28,7 @@
#define HF_ICLASS_FULLSIM_MOD "iceclass-modified"
#define HF_ICLASS_FULLSIM_MOD_BIN HF_ICLASS_FULLSIM_MOD".bin"
#define HF_ICLASS_FULLSIM_MOD_EML HF_ICLASS_FULLSIM_MOD".eml"
#define HF_ICLASS_ATTACK_BIN "iclass_mac_attack.bin"
#define HF_ICLASS_ATTACK_BIN "iclass_mac_attack"
#define HF_ICLASS_CC_A "iceclass_cc_a.bin"
#define HF_ICLASS_CC_B "iceclass_cc_b.bin"
@ -120,10 +120,8 @@ static void download_instructions(uint8_t t) {
}
}
//
// Save to flash if file doesn't exist.
// Write over file if size of flash file is less than new datalen
//
static void save_to_flash(uint8_t *data, uint16_t datalen) {
rdv40_spiffs_lazy_mount();
@ -208,7 +206,8 @@ static int reader_attack_mode(void) {
return PM3_EMALLOC;
}
memset(dump, 0, dumplen);//<-- Need zeroes for the EPURSE - field
// need zeroes for the EPURSE
memset(dump, 0, dumplen);
for (uint8_t i = 0 ; i < NUM_CSNS ; i++) {
//copy CSN
@ -221,13 +220,26 @@ static int reader_attack_mode(void) {
LED_B_ON();
rdv40_spiffs_lazy_mount();
int res = rdv40_spiffs_write(HF_ICLASS_ATTACK_BIN, dump, dumplen, RDV40_SPIFFS_SAFETY_SAFE);
char fn[32];
uint16_t p_namelen = strlen(HF_ICLASS_ATTACK_BIN);
uint16_t num = 1;
sprintf(fn, "%.*s%s", p_namelen, HF_ICLASS_ATTACK_BIN, ".bin");
while (exists_in_spiffs(fn)) {
sprintf(fn, "%.*s-%u%s", p_namelen, HF_ICLASS_ATTACK_BIN, num, ".bin");
num++;
}
int res = rdv40_spiffs_write(fn, dump, dumplen, RDV40_SPIFFS_SAFETY_SAFE);
rdv40_spiffs_lazy_unmount();
LED_B_OFF();
if (res != SPIFFS_OK) {
Dbprintf("error writing '"HF_ICLASS_ATTACK_BIN"' to flash ( %d )", res);
if (res == SPIFFS_OK) {
Dbprintf("Saved to `" _YELLOW_("%s") "`", fn);
} else {
Dbprintf("error writing '%s' to flash ( %d )", fn, res);
}
}
BigBuf_free();
return PM3_SUCCESS;
}
@ -399,7 +411,7 @@ void RunMod(void) {
StandAloneMode();
Dbprintf(_YELLOW_("HF iCLASS mode a.k.a iceCLASS started"));
uint8_t mode = ICE_STATE_FULLSIM;
uint8_t mode = ICE_STATE_ATTACK;
for (;;) {