*
* Returns the number of nibbles (4 bits) entered.
*/
-int hexstring_to_int96(/* out */ uint32_t* hi2,/* out */ uint32_t* hi, /* out */ uint32_t* lo, const char* str) {
+int hid_hexstring_to_int96(/* out */ uint32_t* hi2,/* out */ uint32_t* hi, /* out */ uint32_t* lo, const char* str) {
// TODO: Replace this with param_gethex when it supports arbitrary length
// inputs.
int n = 0, i = 0;
return i - 1;
}
+void usage_encode(){
+ PrintAndLog("Usage: lf hid encode <format> [<field> <value (decimal)>] {...}");
+ PrintAndLog(" Fields: c: Card number");
+ PrintAndLog(" f: Facility code");
+ PrintAndLog(" i: Issue Level");
+ PrintAndLog(" o: OEM code");
+ PrintAndLog(" example: lf hid encode H10301 f 123 c 4567");
+}
+void PrintProxTagId(hidproxmessage_t *packed){
+ if (packed->top != 0) {
+ PrintAndLog("HID Prox TAG ID: %x%08x%08x",
+ (uint32_t)packed->top, (uint32_t)packed->mid, (uint32_t)packed->bot);
+ } else {
+ PrintAndLog("HID Prox TAG ID: %x%08x",
+ (uint32_t)packed->mid, (uint32_t)packed->bot);
+ }
+}
+bool Encode(/* in */ const char *Cmd, /* out */ hidproxmessage_t *packed){
+ int formatIndex = -1;
+ char format[16];
+ memset(format, 0, sizeof(format));
+ if (!strcmp(Cmd, "help") || !strcmp(Cmd, "h") || !strcmp(Cmd, "list") || !strcmp(Cmd, "?")){
+ usage_encode();
+ return false;
+ } else {
+ param_getstr(Cmd, 0, format, sizeof(format));
+ formatIndex = HIDFindCardFormat(format);
+ if (formatIndex == -1) {
+ printf("Unknown format: %s\r\n", format);
+ return false;
+ }
+ }
+ hidproxcard_t data;
+ memset(&data, 0, sizeof(hidproxcard_t));
+ uint8_t cmdp = 1;
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'I':
+ case 'i':
+ data.IssueLevel = param_get32ex(Cmd, cmdp+1, 0, 10);
+ cmdp += 2;
+ break;
+ case 'F':
+ case 'f':
+ data.FacilityCode = param_get32ex(Cmd, cmdp+1, 0, 10);
+ cmdp += 2;
+ break;
+ case 'C':
+ case 'c':
+ data.CardNumber = param_get64ex(Cmd, cmdp+1, 0, 10);
+ cmdp += 2;
+ break;
+ case 'o':
+ case 'O':
+ data.OEM = param_get32ex(Cmd, cmdp+1, 0, 10);
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ return false;
+ }
+ }
+ memset(packed, 0, sizeof(hidproxmessage_t));
+ if (!HIDPack(formatIndex, &data, packed))
+ {
+ PrintAndLog("The card data could not be encoded in the selected format.");
+ return false;
+ } else {
+ return true;
+ }
+
+}
+void Write(hidproxmessage_t *packed){
+ UsbCommand c;
+ c.d.asBytes[0] = (packed->top != 0 && ((packed->mid & 0xFFFFFFC0) != 0))
+ ? 1 : 0; // Writing long format?
+ c.cmd = CMD_HID_CLONE_TAG;
+ c.arg[0] = (packed->top & 0x000FFFFF);
+ c.arg[1] = packed->mid;
+ c.arg[2] = packed->bot;
+ SendCommand(&c);
+}
+
+
//by marshmellow (based on existing demod + holiman's refactor)
//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
//print full HID Prox ID and some bit format details if found
return 0;
}
- if (hi2 != 0)
- PrintAndLog("HID Prox TAG ID: %x%08x%08x",
- (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo
- );
- else
- PrintAndLog("HID Prox TAG ID: %x%08x",
- (unsigned int) hi, (unsigned int) lo
- );
-
hidproxmessage_t packed = initialize_proxmessage_object(hi2, hi, lo);
- bool ret = HIDTryUnpack(&packed);
+ PrintProxTagId(&packed);
+ bool ret = HIDTryUnpack(&packed, false);
if (!ret) {
PrintAndLog("Invalid or unsupported tag length.");
}
int CmdHIDSim(const char *Cmd)
{
uint32_t hi2 = 0, hi = 0, lo = 0;
- hexstring_to_int96(&hi2, &hi, &lo, Cmd);
- if (hi >= 0x40 || hi2 != 0) {
- PrintAndLog("This looks like a long tag ID. Use 'lf simfsk' for long tags. Aborting!");
- return 0;
+ hid_hexstring_to_int96(&hi2, &hi, &lo, Cmd);
+ if (hi2 != 0) {
+ PrintAndLog("Emulating tag with ID %x%08x%08x", hi2, hi, lo);
+ } else {
+ PrintAndLog("Emulating tag with ID %x%08x", hi, lo);
}
- PrintAndLog("Emulating tag with ID %x%08x", hi, lo);
PrintAndLog("Press pm3-button to abort simulation");
- UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
+ UsbCommand c = {CMD_HID_SIM_TAG, {hi2, hi, lo}};
SendCommand(&c);
return 0;
}
int CmdHIDClone(const char *Cmd)
{
- unsigned int hi2 = 0, hi = 0, lo = 0;
- UsbCommand c;
- hexstring_to_int96(&hi2, &hi, &lo, Cmd);
-
- if (hi >= 0x40 || hi2 != 0) {
- PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
- c.d.asBytes[0] = 1;
- } else {
- PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
- c.d.asBytes[0] = 0;
- }
-
- c.cmd = CMD_HID_CLONE_TAG;
- c.arg[0] = (hi2 & 0x000FFFFF);
- c.arg[1] = hi;
- c.arg[2] = lo;
-
- SendCommand(&c);
+ unsigned int top = 0, mid = 0, bot = 0;
+ hid_hexstring_to_int96(&top, &mid, &bot, Cmd);
+ hidproxmessage_t packed = initialize_proxmessage_object(top, mid, bot);
+ Write(&packed);
return 0;
}
int CmdHIDDecode(const char *Cmd){
if (strlen(Cmd)<3) {
- PrintAndLog("Usage: lf hid decode <id>");
+ PrintAndLog("Usage: lf hid decode <id> {p}");
+ PrintAndLog(" (optional) p: Ignore invalid parity");
PrintAndLog(" sample: lf hid decode 2006f623ae");
return 0;
}
uint32_t top = 0, mid = 0, bot = 0;
- hexstring_to_int96(&top, &mid, &bot, Cmd);
+ bool ignoreParity = false;
+ hid_hexstring_to_int96(&top, &mid, &bot, Cmd);
hidproxmessage_t packed = initialize_proxmessage_object(top, mid, bot);
- HIDTryUnpack(&packed);
+
+ char opt = param_getchar(Cmd, 1);
+ if (opt == 'p') ignoreParity = true;
+
+ HIDTryUnpack(&packed, ignoreParity);
return 0;
}
int CmdHIDEncode(const char *Cmd) {
if (strlen(Cmd) == 0) {
- PrintAndLog("Usage: lf hid encode <format> <facility code (decimal)> <card number (decimal)>");
- PrintAndLog(" sample: lf hid encode H10301 123 4567");
+ usage_encode();
return 0;
}
- int formatIndex = -1;
- if (!strcmp(Cmd, "help") || !strcmp(Cmd, "h") || !strcmp(Cmd, "list") || !strcmp(Cmd, "?")){
- HIDListFormats();
- return 0;
- } else {
- char format[16];
- memset(format, 0, sizeof(format));
- param_getstr(Cmd, 0, format, sizeof(format));
- formatIndex = HIDFindCardFormat(format);
- if (formatIndex == -1) {
- HIDListFormats();
- return 0;
- }
- }
-
- hidproxcard_t card;
- memset(&card, 0, sizeof(hidproxcard_t));
- card.FacilityCode = param_get32ex(Cmd, 1, 0, 10);
- card.CardNumber = param_get64ex(Cmd, 2, 0, 10);
- card.ParitySupported = true; // Try to encode parity if supported.
-
hidproxmessage_t packed;
memset(&packed, 0, sizeof(hidproxmessage_t));
- if (HIDPack(formatIndex, &card, &packed)){
- if (packed.top != 0) {
- PrintAndLog("HID Prox TAG ID: %x%08x%08x",
- (unsigned int)packed.top, (unsigned int)packed.mid, (unsigned int)packed.bot);
- } else {
- PrintAndLog("HID Prox TAG ID: %x%08x",
- (unsigned int)packed.mid, (unsigned int)packed.bot);
- }
- } else {
- PrintAndLog("The provided data could not be encoded with the selected format.");
- }
+ if (Encode(Cmd, &packed))
+ PrintProxTagId(&packed);
return 0;
}
int CmdHIDWrite(const char *Cmd) {
if (strlen(Cmd) == 0) {
- PrintAndLog("Usage: lf hid write <format> <facility code (decimal)> <card number (decimal)>");
- PrintAndLog(" sample: lf hid write H10301 123 4567");
+ usage_encode();
return 0;
}
-
- int formatIndex = -1;
- if (!strcmp(Cmd, "help") || !strcmp(Cmd, "h") || !strcmp(Cmd, "list") || !strcmp(Cmd, "?")){
- HIDListFormats();
- return 0;
- } else {
- char format[16];
- memset(format, 0, sizeof(format));
- param_getstr(Cmd, 0, format, sizeof(format));
- formatIndex = HIDFindCardFormat(format);
- if (formatIndex == -1) {
- HIDListFormats();
- return 0;
- }
- }
-
- hidproxcard_t card;
- memset(&card, 0, sizeof(hidproxcard_t));
- card.FacilityCode = param_get32ex(Cmd, 1, 0, 10);
- card.CardNumber = param_get64ex(Cmd, 2, 0, 10);
- card.ParitySupported = true; // Try to encode parity if supported.
-
hidproxmessage_t packed;
memset(&packed, 0, sizeof(hidproxmessage_t));
- if (HIDPack(formatIndex, &card, &packed)){
- UsbCommand c;
- if (packed.top != 0) {
- PrintAndLog("HID Prox TAG ID: %x%08x%08x",
- (unsigned int)packed.top, (unsigned int)packed.mid, (unsigned int)packed.bot);
- c.d.asBytes[0] = 1;
- } else {
- PrintAndLog("HID Prox TAG ID: %x%08x",
- (unsigned int)packed.mid, (unsigned int)packed.bot);
- c.d.asBytes[0] = 0;
- }
-
- c.cmd = CMD_HID_CLONE_TAG;
- c.arg[0] = (packed.top & 0x000FFFFF);
- c.arg[1] = packed.mid;
- c.arg[2] = packed.bot;
- SendCommand(&c);
-
- } else {
- PrintAndLog("The provided data could not be encoded with the selected format.");
+ if (Encode(Cmd, &packed)){
+ PrintProxTagId(&packed);
+ Write(&packed);
}
return 0;
}
+int CmdHIDFormats(){
+ HIDListFormats();
+ return 0;
+}
static int CmdHelp(const char *Cmd); // define this now so the below won't error out.
static command_t CommandTable[] =
{
{"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
{"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
{"decode", CmdHIDDecode, 1, "<ID> -- Try to decode an HID tag and show its contents"},
- {"encode", CmdHIDEncode, 1, "<format> <fc> <num> -- Encode an HID ID with the specified format, facility code and card number"},
- {"write", CmdHIDWrite, 0, "<format> <fc> <num> -- Encode and write to a T55x7 tag (tag must be in antenna)"},
+ {"encode", CmdHIDEncode, 1, "<format> <fields> -- Encode an HID ID with the specified format and fields"},
+ {"formats", CmdHIDFormats, 1, "List supported card formats"},
+ {"write", CmdHIDWrite, 0, "<format> <fields> -- Encode and write to a T55x7 tag (tag must be in antenna)"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff