X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5d643cc03337448602b9ea7aee4d9c4581ca9434..5f84531b82309c5cbb72ea5bdaaee3a1be734eb5:/client/cmdlfhid.c diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c index 66dfae8b..14340082 100644 --- a/client/cmdlfhid.c +++ b/client/cmdlfhid.c @@ -39,7 +39,7 @@ * * 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; @@ -53,6 +53,90 @@ int hexstring_to_int96(/* out */ uint32_t* hi2,/* out */ uint32_t* hi, /* out */ return i - 1; } +void usage_encode(){ + PrintAndLog("Usage: lf hid encode [ ] {...}"); + 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 @@ -88,18 +172,10 @@ int CmdFSKdemodHID(const char *Cmd) 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, false); + PrintProxTagId(&packed); + bool ret = HIDTryUnpack(&packed, false); if (!ret) { PrintAndLog("Invalid or unsupported tag length."); } @@ -125,40 +201,26 @@ int CmdHIDReadFSK(const char *Cmd) 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; } @@ -172,7 +234,7 @@ int CmdHIDDecode(const char *Cmd){ uint32_t top = 0, mid = 0, bot = 0; bool ignoreParity = false; - hexstring_to_int96(&top, &mid, &bot, Cmd); + hid_hexstring_to_int96(&top, &mid, &bot, Cmd); hidproxmessage_t packed = initialize_proxmessage_object(top, mid, bot); char opt = param_getchar(Cmd, 1); @@ -183,104 +245,35 @@ int CmdHIDDecode(const char *Cmd){ } int CmdHIDEncode(const char *Cmd) { if (strlen(Cmd) == 0) { - PrintAndLog("Usage: lf hid encode [issue level (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.IssueLevel = param_get32ex(Cmd, 3, 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 [issue level (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.IssueLevel = param_get32ex(Cmd, 3, 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[] = { @@ -290,8 +283,9 @@ static command_t CommandTable[] = {"sim", CmdHIDSim, 0, " -- HID tag simulator"}, {"clone", CmdHIDClone, 0, " -- Clone HID to T55x7 (tag must be in antenna)"}, {"decode", CmdHIDDecode, 1, " -- Try to decode an HID tag and show its contents"}, - {"encode", CmdHIDEncode, 1, " -- Encode an HID ID with the specified format, facility code and card number"}, - {"write", CmdHIDWrite, 0, " -- Encode and write to a T55x7 tag (tag must be in antenna)"}, + {"encode", CmdHIDEncode, 1, " -- Encode an HID ID with the specified format and fields"}, + {"formats", CmdHIDFormats, 1, "List supported card formats"}, + {"write", CmdHIDWrite, 0, " -- Encode and write to a T55x7 tag (tag must be in antenna)"}, {NULL, NULL, 0, NULL} };