X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f4fbfb83e25549c02540ca983cac227139869578..81b7e89434aad94a3cbddd5742341cd75e48efa5:/client/cmdlfhid.c diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c index 61084c0b..3c0faf3e 100644 --- a/client/cmdlfhid.c +++ b/client/cmdlfhid.c @@ -8,54 +8,95 @@ // Low frequency HID commands //----------------------------------------------------------------------------- -#include -#include -#include "proxmark3.h" -#include "ui.h" -#include "graph.h" -#include "cmdparser.h" #include "cmdlfhid.h" -#include "util.h" -#include "cmdmain.h" static int CmdHelp(const char *Cmd); -int usage_hid_wiegand(){ - PrintAndLog("Usage: lf hid wiegand [h] [formatlenght] [oem] [FacilityCode] [cardnumber]"); - PrintAndLog("This command converts FC/Cardnum to wiegand code"); +int usage_lf_hid_wiegand(void){ + PrintAndLog("This command converts facility code/card number to Wiegand code"); + PrintAndLog("Usage: lf hid wiegand [h] [OEM] [FC] [CN]"); + + PrintAndLog("Options:"); + PrintAndLog(" h - This help"); + PrintAndLog(" OEM - OEM number / site code"); + PrintAndLog(" FC - facility code"); + PrintAndLog(" CN - card number"); + PrintAndLog("Examples:"); + PrintAndLog(" lf hid wiegand 0 101 2001"); + return 0; +} +int usage_lf_hid_sim(void){ + PrintAndLog("HID Tag simulator"); + PrintAndLog(""); + PrintAndLog("Usage: lf hid sim [h] [ID]"); + PrintAndLog("Options:"); + PrintAndLog(" h - This help"); + PrintAndLog(" ID - HID id"); + PrintAndLog("Examples:"); + PrintAndLog(" lf hid sim 224"); + return 0; +} +int usage_lf_hid_clone(void){ + PrintAndLog("Clone HID to T55x7. Tag must be on antenna. "); + PrintAndLog(""); + PrintAndLog("Usage: lf hid clone [h] [ID] "); PrintAndLog("Options:"); - PrintAndLog(" h - This help"); - PrintAndLog(" formatlen - Format length, 26|34|35|37|44|84"); - PrintAndLog(" oem - Oem number"); - PrintAndLog(" facilitynum - Facility number"); - PrintAndLog(" cardnum - Card number"); + PrintAndLog(" h - This help"); + PrintAndLog(" ID - HID id"); + PrintAndLog(" L - 84bit ID"); PrintAndLog("Examples:"); - PrintAndLog(" lf hid wiegand 26 0 304 2001"); + PrintAndLog(" lf hid clone 224"); + PrintAndLog(" lf hid clone 224 L"); return 0; } +int usage_lf_hid_brute(void){ + PrintAndLog("Enables bruteforce of HID readers with specified facility code."); + PrintAndLog("This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step"); + PrintAndLog("if cardnumber is not given, it starts with 1 and goes up to 65535"); + PrintAndLog(""); + PrintAndLog("Usage: lf hid brute [h] a f c d "); + PrintAndLog("Options :"); + PrintAndLog(" h : This help"); + PrintAndLog(" a : 26|33|34|35|37|40|44|84"); + PrintAndLog(" f : 8-bit value HID facility code"); + PrintAndLog(" c : (optional) cardnumber to start with, max 65535"); + PrintAndLog(" d : delay betweens attempts in ms. Default 1000ms"); + PrintAndLog(""); + PrintAndLog("Samples:"); + PrintAndLog(" lf hid brute a 26 f 224"); + PrintAndLog(" lf hid brute a 26 f 21 d 2000"); + PrintAndLog(" lf hid brute a 26 f 21 c 200 d 2000"); + return 0; +} + +static int sendPing(void){ + UsbCommand ping = {CMD_PING, {1, 2, 3}}; + SendCommand(&ping); + SendCommand(&ping); + SendCommand(&ping); + clearCommandBuffer(); + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) + return 0; + return 1; +} +static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bs){ + + PrintAndLog("Trying FC: %u; CN: %u", fc, cn); + + calcWiegand( fmtlen, fc, cn, bs); -/* -int CmdHIDDemod(const char *Cmd) -{ - if (GraphTraceLen < 4800) { - PrintAndLog("too short; need at least 4800 samples"); - return 0; - } - - GraphTraceLen = 4800; - for (int i = 0; i < GraphTraceLen; ++i) { - if (GraphBuffer[i] < 0) { - GraphBuffer[i] = 0; - } else { - GraphBuffer[i] = 1; - } - } - RepaintGraphWindow(); - return 0; + uint64_t arg1 = bytebits_to_byte(bs,32); + uint64_t arg2 = bytebits_to_byte(bs+32,32); + UsbCommand c = {CMD_HID_SIM_TAG, {arg1, arg2, 0}}; + clearCommandBuffer(); + SendCommand(&c); + msleep(delay); + sendPing(); + return TRUE; } -*/ -int CmdHIDDemodFSK(const char *Cmd) -{ + +int CmdHIDDemodFSK(const char *Cmd) { int findone = ( Cmd[0] == '1' ) ? 1 : 0; UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}}; clearCommandBuffer(); @@ -63,11 +104,13 @@ int CmdHIDDemodFSK(const char *Cmd) return 0; } -int CmdHIDSim(const char *Cmd) -{ +int CmdHIDSim(const char *Cmd) { unsigned int hi = 0, lo = 0; int n = 0, i = 0; + uint8_t ctmp = param_getchar(Cmd, 0); + if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_hid_sim(); + while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { hi = (hi << 4) | (lo >> 28); lo = (lo << 4) | (n & 0xf); @@ -82,12 +125,15 @@ int CmdHIDSim(const char *Cmd) return 0; } -int CmdHIDClone(const char *Cmd) -{ - unsigned int hi2 = 0, hi = 0, lo = 0; +int CmdHIDClone(const char *Cmd) { + + uint32_t hi2 = 0, hi = 0, lo = 0; int n = 0, i = 0; UsbCommand c; + uint8_t ctmp = param_getchar(Cmd, 0); + if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_hid_clone(); + if (strchr(Cmd,'l') != 0) { while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { hi2 = (hi2 << 4) | (hi >> 28); @@ -119,192 +165,283 @@ int CmdHIDClone(const char *Cmd) SendCommand(&c); return 0; } - -static void getParity26(uint32_t *hi, uint32_t *lo){ - uint32_t result = 0; - int i; - // even parity - for (i = 24;i >= 13;i--) - result ^= (*lo >> i) & 1; - // even parity 26th bit - *lo |= result << 25; - - // odd parity - result = 0; - for (i = 12;i >= 1;i--) - result ^= (*lo >> i) & 1; - *lo |= !result; -} -static void getParity34(uint32_t *hi, uint32_t *lo){ - uint32_t result = 0; - int i; - - // even parity - for (i = 7;i >= 0;i--) - result ^= (*hi >> i) & i; - for (i = 31;i >= 24;i--) - result ^= (*lo >> i) & 1; - - *hi |= result << 2; - - // odd parity bit - result = 0; - for (i = 23;i >= 1;i--) - result ^= (*lo >> i) & 1; - - *lo |= !result; -} -static void getParity35(uint32_t *hi, uint32_t *lo){ - *hi = *hi; -} -static void getParity37S(uint32_t *hi,uint32_t *lo){ - uint32_t result = 0; - uint8_t i; - - // even parity - for (i = 4; i >= 0; i--) - result ^= (*hi >> i) & 1; - - for (i = 31; i >= 20; i--) - result ^= (*lo >> i) & 1; - - *hi |= result; - - // odd parity - result = 0; - for (i = 19; i >= 1; i--) - result ^= (*lo >> i) & 1; - - *lo |= result; -} -static void getParity37H(uint32_t *hi, uint32_t *lo){ - uint32_t result = 0; - int i; - - // even parity - for (i = 4;i >= 0;i--) - result ^= (*hi >> i) & 1; - for (i = 31;i >= 20;i--) - result ^= (*lo >> i) & 1; - *hi |= result << 4; - - // odd parity - result = 0; - for (i = 19;i >= 1;i--) - result ^= (*lo >> i) & 1; - *lo |= result; +// struct to handle wiegand +typedef struct { + uint8_t FormatLen; + uint8_t SiteCode; + uint8_t FacilityCode; + uint8_t CardNumber; + uint8_t* Wiegand; + size_t Wiegand_n; + } wiegand_t; + +static void addHIDMarker(uint8_t fmtlen, uint8_t *out) { + switch(fmtlen) { + case 26:{ + uint8_t len = 37; + uint8_t tmp[len]; + memset(tmp, 0, len); + uint8_t idx = 37-fmtlen; + memcpy(tmp+idx, out, fmtlen); + tmp[idx] = 1; // start sentinel? + tmp[0] = 1; // bit indicates that a format smaller than 37 is used + memcpy(out, tmp, len); + break; + } + case 34: + // set bit format for less than 37 bit format + // 5+32= 1 + //*hi = (1 << 5) | (fc >> 15); + break; + default:break; + } } -static void calc26(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){ - *lo = ((cardno & 0xFFFF) << 1) | ((fc & 0xFF) << 17) | (1 << 26); - *hi = (1 << 5); -} -static void calc34(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){ - // put card number first bit 1 .. 20 // - *lo = ((cardno & 0X000F7FFF) << 1) | ((fc & 0XFFFF) << 17); - // set bit format for less than 37 bit format - *hi = (1 << 5) | (fc >> 15); +// static void getParity34(uint32_t *hi, uint32_t *lo){ + // uint32_t result = 0; + // int i; + + // // even parity + // for (i = 7;i >= 0;i--) + // result ^= (*hi >> i) & i; + // for (i = 31;i >= 24;i--) + // result ^= (*lo >> i) & 1; + + // *hi |= result << 2; + + // // odd parity bit + // result = 0; + // for (i = 23;i >= 1;i--) + // result ^= (*lo >> i) & 1; + + // *lo |= !result; +// } +// static void getParity37H(uint32_t *hi, uint32_t *lo){ + // uint32_t result = 0; + // int i; + + // // even parity + // for (i = 4;i >= 0;i--) + // result ^= (*hi >> i) & 1; + // for (i = 31;i >= 20;i--) + // result ^= (*lo >> i) & 1; + // *hi |= result << 4; + + // // odd parity + // result = 0; + // for (i = 19;i >= 1;i--) + // result ^= (*lo >> i) & 1; + // *lo |= result; +// } + +//static void calc26(uint16_t fc, uint32_t cardno, uint8_t *out){ +static void calc26(uint16_t fc, uint32_t cardno, uint8_t *out){ + uint8_t wiegand[24]; + num_to_bytebits(fc, 8, wiegand); + num_to_bytebits(cardno, 16, wiegand+8); + wiegand_add_parity(out, wiegand, sizeof(wiegand) ); } -static void calc35(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){ - *lo = ((cardno & 0xFFFFF) << 1) | fc << 21; - *hi = (1 << 5) | ((fc >> 11) & 1); +// static void calc33(uint16_t fc, uint32_t cardno, uint8_t *out){ +// } +static void calc34(uint16_t fc, uint32_t cardno, uint8_t *out){ + uint8_t wiegand[32]; + num_to_bytebits(fc, 16, wiegand); + num_to_bytebits(cardno, 16, wiegand + 16); + wiegand_add_parity(out, wiegand, sizeof(wiegand) ); } -static void calc37S(uint16_t sc, uint32_t cn, uint32_t *hi, uint32_t *lo){ - // SC 2 - 17 - 16 bit - // CN 18 - 36 - 19 bit +// static void calc35(uint16_t fc, uint32_t cardno, uint8_t *out){ + // *lo = ((cardno & 0xFFFFF) << 1) | fc << 21; + // *hi = (1 << 5) | ((fc >> 11) & 1); +// } +static void calc37S(uint16_t fc, uint32_t cardno, uint8_t *out){ + // FC 2 - 17 - 16 bit + // cardno 18 - 36 - 19 bit // Even P1 1 - 19 // Odd P37 19 - 36 - - sc = sc & 0xFFFF; - *lo = ( (sc << 20) | (cn & 0x7FFFF) << 1); - *hi = (sc >> 12); + uint8_t wiegand[35]; + num_to_bytebits(fc, 16, wiegand); + num_to_bytebits(cardno, 19, wiegand + 16); + wiegand_add_parity(out, wiegand, sizeof(wiegand) ); } -static void calc37H(uint64_t cn, uint32_t *hi, uint32_t *lo){ +static void calc37H(uint64_t cardno, uint8_t *out){ // SC NONE - // CN 1-35 34 bits + // cardno 1-35 34 bits // Even Parity 0th bit 1-18 // Odd Parity 36th bit 19-35 - cn = (cn & 0x00000003FFFFFFFF); - *lo = (cn << 1); - *hi = (cn >> 31); -} -static void calc40(uint64_t cn, uint32_t *hi, uint32_t *lo){ - cn = (cn & 0xFFFFFFFFFF); - *lo = (uint32_t)((cn & 0xFFFFFFFF) << 1 ); - *hi = (uint32_t) (cn >> 31); + uint8_t wiegand[37]; + num_to_bytebits( (uint32_t)(cardno >> 32), 2, wiegand); + num_to_bytebits( (uint32_t)(cardno >> 0), 32, wiegand + 2); + wiegand_add_parity(out, wiegand, sizeof(wiegand) ); + + printf("%x %x\n", (uint32_t)(cardno >> 32), (uint32_t)cardno ); } +// static void calc40(uint64_t cardno, uint8_t *out){ + // cardno = (cardno & 0xFFFFFFFFFF); + // *lo = ((cardno & 0xFFFFFFFF) << 1 ); + // *hi = (cardno >> 31); +// } + +void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits){ + uint32_t cn32 = (cardno & 0xFFFFFFFF); + switch ( fmtlen ) { + case 26: calc26(fc, cn32, bits); break; + // case 33 : calc33(fc, cn32, bits); break; + case 34: calc34(fc, cn32, bits); break; + // case 35 : calc35(fc, cn32, bits); break; + case 37: calc37S(fc, cn32, bits); break; + case 38: calc37H(cardno, bits); break; + // case 40 : calc40(cardno, bits); break; + // case 44 : { break; } + // case 84 : { break; } + default: break; + } +} -int CmdHIDWiegand(const char *Cmd) -{ - uint32_t oem; - uint32_t fmtlen = 0; - uint32_t fc, lo = 0, hi = 0; - uint64_t cn = 0; - uint32_t cardnum = 0; +int CmdHIDWiegand(const char *Cmd) { + uint32_t oem = 0, fc = 0; + uint64_t cardnum = 0; + uint64_t blocks = 0, wiegand = 0; + + uint8_t bits[96]; + uint8_t *bs = bits; + memset(bs, 0, sizeof(bits)); - //uint32_t temp, p uint8_t ctmp = param_getchar(Cmd, 0); - if ( strlen(Cmd) < 0 || strlen(Cmd) < 4 || ctmp == 'H' || ctmp == 'h' ) return usage_hid_wiegand(); - - fmtlen = param_get8(Cmd, 0); - oem = param_get8(Cmd, 1); - fc = param_get32ex(Cmd, 2, 0, 10); - cn = param_get64ex(Cmd, 3, 0, 10); - - switch ( fmtlen ) { - case 26 : { - cardnum = (cn & 0xFFFFFFFF); - calc26(fc, cardnum, &hi, &lo); - getParity26(&hi, &lo); + if ( strlen(Cmd) == 0 || strlen(Cmd) < 3 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_hid_wiegand(); + + oem = param_get8(Cmd, 0); + fc = param_get32ex(Cmd, 1, 0, 10); + cardnum = param_get64ex(Cmd, 2, 0, 10); + + uint8_t fmtlen[] = {26,33,34,35,37,38,40}; + + PrintAndLog("HID | OEM | FC | CN | Wiegand | HID Formatted"); + PrintAndLog("----+-----+------+---------+-----------+--------------------"); + for (uint8_t i = 0; i < sizeof(fmtlen); i++){ + memset(bits, 0x00, sizeof(bits)); + calcWiegand( fmtlen[i], fc, cardnum, bs); + printf("ice:: %s", sprint_bin(bs, fmtlen[i])); + wiegand = (uint64_t)bytebits_to_byte(bs, 32) << 32 | bytebits_to_byte(bs+32, 32); + + addHIDMarker(fmtlen[i], bs); + printf("ice:: %s", sprint_bin(bs, 37)); + blocks = (uint64_t)bytebits_to_byte(bs, 32) << 32 | bytebits_to_byte(bs+32, 32); + uint8_t shifts = 64-fmtlen[i]; + wiegand >>= shifts; + + PrintAndLog(" %u | %03u | %03u | %llu | %llX | %llX", + fmtlen[i], + oem, + fc, + cardnum, + wiegand, + blocks + ); + } + PrintAndLog("----+-----+-----+-------+-----------+--------------------"); + return 0; +} + +int CmdHIDBrute(const char *Cmd){ + + bool errors = false; + uint32_t fc = 0, cn = 0, delay = 1000; + uint8_t fmtlen = 0; + uint8_t bits[96]; + uint8_t *bs = bits; + memset(bs, 0, sizeof(bits)); + uint8_t cmdp = 0; + + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_lf_hid_brute(); + case 'f': + case 'F': + fc = param_get32ex(Cmd ,cmdp+1, 0, 10); + if ( !fc ) + errors = true; + cmdp += 2; break; - } - case 34 : { - cardnum = (cn & 0xFFFFFFFF); - calc34(fc, cardnum, &hi, &lo); - getParity34(&hi, &lo); + case 'd': + case 'D': + // delay between attemps, defaults to 1000ms. + delay = param_get32ex(Cmd, cmdp+1, 1000, 10); + cmdp += 2; break; - } - case 35 : { - cardnum = (cn & 0xFFFFFFFF); - calc35(fc, cardnum, &hi, &lo); - getParity35(&hi, &lo); + case 'c': + case 'C': + cn = param_get32ex(Cmd, cmdp+1, 0, 10); + // truncate cardnumber. + cn &= 0xFFFF; + cmdp += 2; break; - } - case 37 : { - cardnum = (cn & 0xFFFFFFFF); - calc37S(fc, cardnum, &hi, &lo); - getParity37S(&hi, &lo); + case 'a': + case 'A': + fmtlen = param_get8(Cmd, cmdp+1); + cmdp += 2; + bool is_ftm_ok = FALSE; + uint8_t ftms[] = {26,33,34,35,37}; + for ( uint8_t i = 0; i < sizeof(ftms); i++){ + if ( ftms[i] == fmtlen ) { + is_ftm_ok = TRUE; + } + } + // negated + errors = !is_ftm_ok; break; - } - case 38 : { - cardnum = (cn & 0xFFFFFFFF); - calc37H(cardnum, &hi, &lo); - getParity37H(&hi, &lo); + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; break; } - case 40 : { - calc40(cn, &hi, &lo); - PrintAndLog("%x %x", hi, lo); - break; + } + if ( fc == 0 ) errors = true; + if ( errors ) return usage_lf_hid_brute(); + + PrintAndLog("Brute-forcing HID reader"); + PrintAndLog("Press pm3-button to abort simulation or run another command"); + + uint16_t up = cn; + uint16_t down = cn; + + for (;;){ + + if ( offline ) { + printf("Device offline\n"); + return 2; } - case 44 : { break; } - case 84 : { break; } + + if (ukbhit()) { + PrintAndLog("aborted via keyboard!"); + return sendPing(); + } + + // Do one up + if ( up < 0xFFFF ) + if ( !sendTry(fmtlen, fc, up++, delay, bs)) return 1; + + // Do one down (if cardnumber is given) + if ( cn > 1 ) + if ( down > 1 ) + if ( !sendTry(fmtlen, fc, --down, delay, bs)) return 1; } - PrintAndLog("HID %d bit | FC: %d CN: %d | Wiegand Code: %08X%08X", fmtlen, fc, cn, hi, lo); return 0; } static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - //{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"}, - {"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"}, - {"sim", CmdHIDSim, 0, " -- HID tag simulator"}, - {"clone", CmdHIDClone, 0, " ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"}, - {"wiegand", CmdHIDWiegand, 1, " -- convert facilitycode, cardnumber to Wiegand code"}, + {"help", CmdHelp, 1, "This help"}, + {"fskdemod",CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"}, + {"sim", CmdHIDSim, 0, "HID tag simulator"}, + {"clone", CmdHIDClone, 0, "Clone HID to T55x7"}, + {"wiegand", CmdHIDWiegand, 1, "Convert facility code/card number to Wiegand code"}, + {"brute", CmdHIDBrute, 0, "Bruteforce card number against reader"}, {NULL, NULL, 0, NULL} }; int CmdLFHID(const char *Cmd) { + clearCommandBuffer(); CmdsParse(CommandTable, Cmd); return 0; }