github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 18:48:13 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

hf 14a config: force RATS

Browse source
This commit is contained in:
Philippe Teuwen 2020-09-07 15:09:18 +02:00
commit e3b8e868ea
3 changed files with 33 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

14
armsrc/iso14443a.c
View file

@ -128,8 +128,9 @@ Default HF 14a config is set to:
forcebcc = 0 (expect valid BCC)
forcecl2 = 0 (auto)
forcecl3 = 0 (auto)
forcerats = 0 (auto)
*/
static hf14a_config hf14aconfig = { 0, 0, 0, 0 } ;
static hf14a_config hf14aconfig = { 0, 0, 0, 0, 0 } ;
void printHf14aConfig(void) {
DbpString(_CYAN_("HF 14a config"));
@ -137,6 +138,7 @@ void printHf14aConfig(void) {
Dbprintf("[b] BCC override..........%s%s%s", (hf14aconfig.forcebcc == 0) ? _GREEN_("No") " (follow standard)" : "", (hf14aconfig.forcebcc == 1) ? _RED_("Yes: Always do CL2") : "", (hf14aconfig.forcebcc == 2) ? _RED_("Yes: Always use card BCC") : "");
Dbprintf("[2] CL2 override..........%s%s%s", (hf14aconfig.forcecl2 == 0) ? _GREEN_("No") " (follow standard)" : "", (hf14aconfig.forcecl2 == 1) ? _RED_("Yes: Always do CL2") : "", (hf14aconfig.forcecl2 == 2) ? _RED_("Yes: Always skip CL2") : "");
Dbprintf("[3] CL3 override..........%s%s%s", (hf14aconfig.forcecl3 == 0) ? _GREEN_("No") " (follow standard)" : "", (hf14aconfig.forcecl3 == 1) ? _RED_("Yes: Always do CL3") : "", (hf14aconfig.forcecl3 == 2) ? _RED_("Yes: Always skip CL3") : "");
Dbprintf("[r] RATS override.........%s%s%s", (hf14aconfig.forcerats == 0) ? _GREEN_("No") " (follow standard)" : "", (hf14aconfig.forcerats == 1) ? _RED_("Yes: Always do RATS") : "", (hf14aconfig.forcerats == 2) ? _RED_("Yes: Always skip RATS") : "");
}
/**
@ -157,6 +159,8 @@ void setHf14aConfig(hf14a_config *hc) {
hf14aconfig.forcecl2 = hc->forcecl2;
if ((hc->forcecl3 >= 0) && (hc->forcecl3 <= 2))
hf14aconfig.forcecl3 = hc->forcecl3;
if ((hc->forcerats >= 0) && (hc->forcerats <= 2))
hf14aconfig.forcerats = hc->forcerats;
}
hf14a_config *getHf14aConfig(void) {
@ -2539,8 +2543,12 @@ int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *p_card, uint32
p_card->sak = sak;
}
// PICC compliant with iso14443a-4 ---> (SAK & 0x20 != 0)
if ((sak & 0x20) == 0) return 2;
if (hf14aconfig.forcerats == 0) {
// PICC compliant with iso14443a-4 ---> (SAK & 0x20 != 0)
if ((sak & 0x20) == 0) return 2;
} else if (hf14aconfig.forcerats == 2) {
return 2;
} // else force RATS
// RATS, Request for answer to select
if (!no_rats) {