X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/20f9a2a1d54952ed15066c93490f0e8fb0d43b67..d2197f967aaf4e58ffd9df387c228bf5354c9e0c:/client/cmdhf14a.c?ds=sidebyside diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c index 922d1b7f..36ffe1b8 100644 --- a/client/cmdhf14a.c +++ b/client/cmdhf14a.c @@ -1,4 +1,5 @@ //----------------------------------------------------------------------------- +// 2011, Merlok // Copyright (C) 2010 iZsh , Hagen Fritsch // // This code is licensed to you under the terms of the GNU GPL, version 2 or, @@ -11,143 +12,25 @@ #include #include #include +#include #include "util.h" #include "iso14443crc.h" #include "data.h" -#include "proxusb.h" +#include "proxmark3.h" #include "ui.h" #include "cmdparser.h" #include "cmdhf14a.h" #include "common.h" #include "cmdmain.h" +#include "mifare.h" static int CmdHelp(const char *Cmd); +static void waitCmd(uint8_t iLen); int CmdHF14AList(const char *Cmd) { - uint8_t got[1920]; - GetFromBigBuf(got, sizeof(got)); - - PrintAndLog("recorded activity:"); - PrintAndLog(" ETU :rssi: who bytes"); - PrintAndLog("---------+----+----+-----------"); - - int i = 0; - int prev = -1; - - for (;;) { - if(i >= 1900) { - break; - } - - bool isResponse; - int timestamp = *((uint32_t *)(got+i)); - if (timestamp & 0x80000000) { - timestamp &= 0x7fffffff; - isResponse = 1; - } else { - isResponse = 0; - } - - int metric = 0; - int parityBits = *((uint32_t *)(got+i+4)); - // 4 bytes of additional information... - // maximum of 32 additional parity bit information - // - // TODO: - // at each quarter bit period we can send power level (16 levels) - // or each half bit period in 256 levels. - - - int len = got[i+8]; - - if (len > 100) { - break; - } - if (i + len >= 1900) { - break; - } - - uint8_t *frame = (got+i+9); - - // Break and stick with current result if buffer was not completely full - if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; } - - char line[1000] = ""; - int j; - for (j = 0; j < len; j++) { - int oddparity = 0x01; - int k; - - for (k=0;k<8;k++) { - oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); - } - - //if((parityBits >> (len - j - 1)) & 0x01) { - if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) { - sprintf(line+(j*4), "%02x! ", frame[j]); - } - else { - sprintf(line+(j*4), "%02x ", frame[j]); - } - } - - char *crc; - crc = ""; - if (len > 2) { - uint8_t b1, b2; - for (j = 0; j < (len - 1); j++) { - // gives problems... search for the reason.. - /*if(frame[j] == 0xAA) { - switch(frame[j+1]) { - case 0x01: - crc = "[1] Two drops close after each other"; - break; - case 0x02: - crc = "[2] Potential SOC with a drop in second half of bitperiod"; - break; - case 0x03: - crc = "[3] Segment Z after segment X is not possible"; - break; - case 0x04: - crc = "[4] Parity bit of a fully received byte was wrong"; - break; - default: - crc = "[?] Unknown error"; - break; - } - break; - }*/ - } - - if (strlen(crc)==0) { - ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2); - if (b1 != frame[len-2] || b2 != frame[len-1]) { - crc = (isResponse & (len < 6)) ? "" : " !crc"; - } else { - crc = ""; - } - } - } else { - crc = ""; // SHORT - } - - char metricString[100]; - if (isResponse) { - sprintf(metricString, "%3d", metric); - } else { - strcpy(metricString, " "); - } - - PrintAndLog(" +%7d: %s: %s %s %s", - (prev < 0 ? 0 : (timestamp - prev)), - metricString, - (isResponse ? "TAG" : " "), line, crc); - - prev = timestamp; - i += (len + 9); - } - return 0; + PrintAndLog("Deprecated command, use 'hf list 14a' instead"); + return 0; } void iso14a_set_timeout(uint32_t timeout) { @@ -155,304 +38,515 @@ void iso14a_set_timeout(uint32_t timeout) { SendCommand(&c); } -int CmdHF14AMifare(const char *Cmd) +int CmdHF14AReader(const char *Cmd) { - UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}}; - SendCommand(&c); - return 0; -} + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; + SendCommand(&c); -int CmdHF14AMfWrBl(const char *Cmd) -{ - int i, temp; - uint8_t blockNo = 0; - uint8_t keyType = 0; - uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + UsbCommand resp; + WaitForResponse(CMD_ACK,&resp); - const char *cmdp = Cmd; - const char *cmdpe = Cmd; + iso14a_card_select_t card; + memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf 14 mfwrbl "); - PrintAndLog(" sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F"); - return 0; - } - PrintAndLog("l: %s", Cmd); + uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS - // skip spaces - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - blockNo = strtol(cmdp, NULL, 0) & 0xff; - - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - if (*cmdp != 'A' && *cmdp != 'a') { - keyType = 1; - } - - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - - // next value here:cmdpe - cmdpe = cmdp; - while (*cmdpe!=' ' && *cmdpe!='\t') cmdpe++; - while (*cmdpe==' ' || *cmdpe=='\t') cmdpe++; - - if ((int)cmdpe - (int)cmdp != 13) { - PrintAndLog("Length of key must be 12 hex symbols"); + if(select_status == 0) { + PrintAndLog("iso14443a card select failed"); + // disconnect + c.arg[0] = 0; + c.arg[1] = 0; + c.arg[2] = 0; + SendCommand(&c); return 0; } - - for(i = 0; i < 6; i++) { - sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp); - key[i] = temp & 0xff; - cmdp++; - cmdp++; - } - - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - if (strlen(cmdp) != 32) { - PrintAndLog("Length of block data must be 32 hex symbols"); - return 0; + PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]); + PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen)); + PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]); + + switch (card.sak) { + case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break; + case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break; + case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break; + case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break; + case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break; + case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break; + case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break; + case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break; + case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break; + case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break; + case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break; + case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break; + case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break; + default: ; } - for(i = 0; i < 16; i++) { - sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp); - bldata[i] = temp & 0xff; - cmdp++; - cmdp++; - } - PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6)); - PrintAndLog(" data: %s", sprint_hex(bldata, 16)); - UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; - memcpy(c.d.asBytes, key, 6); - memcpy(c.d.asBytes + 10, bldata, 16); - SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); + // try to request ATS even if tag claims not to support it + if (select_status == 2) { + uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0 + c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT; + c.arg[1] = 2; + c.arg[2] = 0; + memcpy(c.d.asBytes, rats, 2); + SendCommand(&c); + WaitForResponse(CMD_ACK,&resp); + + memcpy(&card.ats, resp.d.asBytes, resp.arg[0]); + card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes + } + + // disconnect + c.arg[0] = 0; + c.arg[1] = 0; + c.arg[2] = 0; + SendCommand(&c); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; + + if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes + bool ta1 = 0, tb1 = 0, tc1 = 0; + int pos; - PrintAndLog("isOk:%02x", isOK); + if (select_status == 2) { + PrintAndLog("SAK incorrectly claims that card doesn't support RATS"); + } + PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len)); + PrintAndLog(" - TL : length is %d bytes", card.ats[0]); + if (card.ats[0] != card.ats_len - 2) { + PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len); + } + + if (card.ats[0] > 1) { // there is a format byte (T0) + ta1 = (card.ats[1] & 0x10) == 0x10; + tb1 = (card.ats[1] & 0x20) == 0x20; + tc1 = (card.ats[1] & 0x40) == 0x40; + int16_t fsci = card.ats[1] & 0x0f; + PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, " + "TC1 is%s present, FSCI is %d (FSC = %ld)", + (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"), + fsci, + fsci < 5 ? (fsci - 2) * 8 : + fsci < 8 ? (fsci - 3) * 32 : + fsci == 8 ? 256 : + -1 + ); + } + pos = 2; + if (ta1) { + char dr[16], ds[16]; + dr[0] = ds[0] = '\0'; + if (card.ats[pos] & 0x10) strcat(ds, "2, "); + if (card.ats[pos] & 0x20) strcat(ds, "4, "); + if (card.ats[pos] & 0x40) strcat(ds, "8, "); + if (card.ats[pos] & 0x01) strcat(dr, "2, "); + if (card.ats[pos] & 0x02) strcat(dr, "4, "); + if (card.ats[pos] & 0x04) strcat(dr, "8, "); + if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0'; + if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0'; + PrintAndLog(" - TA1 : different divisors are%s supported, " + "DR: [%s], DS: [%s]", + (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds); + pos++; + } + if (tb1) { + uint32_t sfgi = card.ats[pos] & 0x0F; + uint32_t fwi = card.ats[pos] >> 4; + PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)", + (sfgi), + sfgi ? "" : "(not needed) ", + sfgi ? (1 << 12) << sfgi : 0, + fwi, + (1 << 12) << fwi + ); + pos++; + } + if (tc1) { + PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported", + (card.ats[pos] & 0x01) ? "" : " NOT", + (card.ats[pos] & 0x02) ? "" : " NOT"); + pos++; + } + if (card.ats[0] > pos) { + char *tip = ""; + if (card.ats[0] - pos >= 7) { + if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) { + tip = "-> MIFARE Plus X 2K or 4K"; + } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) { + tip = "-> MIFARE Plus S 2K or 4K"; + } + } + PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip); + if (card.ats[pos] == 0xC1) { + PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type"); + PrintAndLog(" %02x -> Length is %d bytes", + card.ats[pos + 1], card.ats[pos + 1]); + switch (card.ats[pos + 2] & 0xf0) { + case 0x10: + PrintAndLog(" 1x -> MIFARE DESFire"); + break; + case 0x20: + PrintAndLog(" 2x -> MIFARE Plus"); + break; + } + switch (card.ats[pos + 2] & 0x0f) { + case 0x00: + PrintAndLog(" x0 -> <1 kByte"); + break; + case 0x01: + PrintAndLog(" x0 -> 1 kByte"); + break; + case 0x02: + PrintAndLog(" x0 -> 2 kByte"); + break; + case 0x03: + PrintAndLog(" x0 -> 4 kByte"); + break; + case 0x04: + PrintAndLog(" x0 -> 8 kByte"); + break; + } + switch (card.ats[pos + 3] & 0xf0) { + case 0x00: + PrintAndLog(" 0x -> Engineering sample"); + break; + case 0x20: + PrintAndLog(" 2x -> Released"); + break; + } + switch (card.ats[pos + 3] & 0x0f) { + case 0x00: + PrintAndLog(" x0 -> Generation 1"); + break; + case 0x01: + PrintAndLog(" x1 -> Generation 2"); + break; + case 0x02: + PrintAndLog(" x2 -> Generation 3"); + break; + } + switch (card.ats[pos + 4] & 0x0f) { + case 0x00: + PrintAndLog(" x0 -> Only VCSL supported"); + break; + case 0x01: + PrintAndLog(" x1 -> VCS, VCSL, and SVC supported"); + break; + case 0x0E: + PrintAndLog(" xE -> no VCS command supported"); + break; + } + } + } } else { - PrintAndLog("Command execute timeout"); + PrintAndLog("proprietary non iso14443-4 card found, RATS not supported"); } - return 0; + return select_status; } -int CmdHF14AMfRdBl(const char *Cmd) +// Collect ISO14443 Type A UIDs +int CmdHF14ACUIDs(const char *Cmd) { - int i, temp; - uint8_t blockNo = 0; - uint8_t keyType = 0; - uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - - const char *cmdp = Cmd; + // requested number of UIDs + int n = atoi(Cmd); + // collect at least 1 (e.g. if no parameter was given) + n = n > 0 ? n : 1; + + PrintAndLog("Collecting %d UIDs", n); + PrintAndLog("Start: %u", time(NULL)); + // repeat n times + for (int i = 0; i < n; i++) { + // execute anticollision procedure + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}}; + SendCommand(&c); + + UsbCommand resp; + WaitForResponse(CMD_ACK,&resp); + + iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes; + + // check if command failed + if (resp.arg[0] == 0) { + PrintAndLog("Card select failed."); + } else { + char uid_string[20]; + for (uint16_t i = 0; i < card->uidlen; i++) { + sprintf(&uid_string[2*i], "%02X", card->uid[i]); + } + PrintAndLog("%s", uid_string); + } + } + PrintAndLog("End: %u", time(NULL)); + return 1; +} - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf 14 mfrdbl "); - PrintAndLog(" sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF "); - return 0; - } +// ## simulate iso14443a tag +// ## greg - added ability to specify tag UID +int CmdHF14ASim(const char *Cmd) +{ + UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}}; - // skip spaces - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - blockNo = strtol(cmdp, NULL, 0) & 0xff; + // Retrieve the tag type + uint8_t tagtype = param_get8ex(Cmd,0,0,10); - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - if (*cmdp != 'A' && *cmdp != 'a') { - keyType = 1; - } - - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - - if (strlen(cmdp) != 12) { - PrintAndLog("Length of key must be 12 hex symbols"); - return 0; + // When no argument was given, just print help message + if (tagtype == 0) { + PrintAndLog(""); + PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID"); + PrintAndLog(""); + PrintAndLog(" syntax: hf 14a sim "); + PrintAndLog(" types: 1 = MIFARE Classic"); + PrintAndLog(" 2 = MIFARE Ultralight"); + PrintAndLog(" 3 = MIFARE DESFIRE"); + PrintAndLog(" 4 = ISO/IEC 14443-4"); + PrintAndLog(""); + return 1; } - for(i = 0; i < 6; i++) { - sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp); - key[i] = temp & 0xff; - cmdp++; - cmdp++; - } - PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6)); + // Store the tag type + c.arg[0] = tagtype; - UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; - memcpy(c.d.asBytes, key, 6); - SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t * data = resp->d.asBytes; - - PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16)); + // Retrieve the full 4 or 7 byte long uid + uint64_t long_uid = param_get64ex(Cmd,1,0,16); + + // Are we handling the (optional) second part uid? + if (long_uid > 0xffffffff) { + PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid); + // Store the second part + c.arg[2] = (long_uid & 0xffffffff); + long_uid >>= 32; + // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88) + c.arg[1] = (long_uid & 0xffffff); } else { - PrintAndLog("Command execute timeout"); + PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid); + // Only store the first part + c.arg[1] = long_uid & 0xffffffff; } +/* + // At lease save the mandatory first part of the UID + c.arg[0] = long_uid & 0xffffffff; - return 0; -} - -int CmdHF14AMfRdSc(const char *Cmd) -{ - int i, temp; - uint8_t sectorNo = 0; - uint8_t keyType = 0; - uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - const char *cmdp = Cmd; - - - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf 14 mfrdsc "); - PrintAndLog(" sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF "); - return 0; - } - - // skip spaces - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - sectorNo = strtol(cmdp, NULL, 0) & 0xff; + // At lease save the mandatory first part of the UID + c.arg[0] = long_uid & 0xffffffff; - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - if (*cmdp != 'A' && *cmdp != 'a') { - keyType = 1; - } - - // next value - while (*cmdp!=' ' && *cmdp!='\t') cmdp++; - while (*cmdp==' ' || *cmdp=='\t') cmdp++; - - if (strlen(cmdp) != 12) { - PrintAndLog("Length of key must be 12 hex symbols"); - return 0; + if (c.arg[1] == 0) { + PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); } - for(i = 0; i < 6; i++) { - sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp); - key[i] = temp & 0xff; - cmdp++; - cmdp++; + switch (c.arg[0]) { + case 1: { + PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID"); + UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)}; + } break; + case 2: { + PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID"); + } break; + default: { + PrintAndLog("Error: unkown tag type (%d)",c.arg[0]); + PrintAndLog("syntax: hf 14a sim ",c.arg[0]); + PrintAndLog(" type1: 4 ",c.arg[0]); + + return 1; + } break; } - PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6)); - - UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; - memcpy(c.d.asBytes, key, 6); +*/ +/* + unsigned int hi = 0, lo = 0; + int n = 0, i = 0; + while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { + hi= (hi << 4) | (lo >> 28); + lo= (lo << 4) | (n & 0xf); + } +*/ +// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)}; +// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - PrintAndLog(" "); - - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t * data = resp->d.asBytes; - - PrintAndLog("isOk:%02x", isOK); - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); - } - } else { - PrintAndLog("Command1 execute timeout"); - } - - // response2 - resp = WaitForResponseTimeout(CMD_ACK, 500); - PrintAndLog(" "); - - if (resp != NULL) { - uint8_t * data = resp->d.asBytes; - - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); - } - } else { - PrintAndLog("Command2 execute timeout"); - } - return 0; } -int CmdHF14AReader(const char *Cmd) -{ - UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}}; - SendCommand(&c); - UsbCommand * resp = WaitForResponse(CMD_ACK); - uint8_t * uid = resp->d.asBytes; - iso14a_card_select_t * card = uid + 12; - - if(resp->arg[0] == 0) { - PrintAndLog("iso14443a card select failed"); +int CmdHF14ASnoop(const char *Cmd) { + int param = 0; + + if (param_getchar(Cmd, 0) == 'h') { + PrintAndLog("It get data from the field and saves it into command buffer."); + PrintAndLog("Buffer accessible from command hf list 14a."); + PrintAndLog("Usage: hf 14a snoop [c][r]"); + PrintAndLog("c - triggered by first data from card"); + PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)"); + PrintAndLog("sample: hf 14a snoop c r"); return 0; + } + + for (int i = 0; i < 2; i++) { + char ctmp = param_getchar(Cmd, i); + if (ctmp == 'c' || ctmp == 'C') param |= 0x01; + if (ctmp == 'r' || ctmp == 'R') param |= 0x02; } - PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]); - PrintAndLog(" UID : %s", sprint_hex(uid, 12)); - PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]); - if(resp->arg[0] == 1) - PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len)); - else - PrintAndLog("proprietary non-iso14443a card found, RATS not supported"); - - return resp->arg[0]; + UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}}; + SendCommand(&c); + return 0; } -// ## simulate iso14443a tag -// ## greg - added ability to specify tag UID -int CmdHF14ASim(const char *Cmd) -{ +int CmdHF14ACmdRaw(const char *cmd) { + UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}}; + uint8_t reply=1; + uint8_t crc=0; + uint8_t power=0; + uint8_t active=0; + uint8_t active_select=0; + uint16_t numbits=0; + char buf[5]=""; + int i=0; + uint8_t data[100]; + unsigned int datalen=0, temp; + + if (strlen(cmd)<2) { + PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <0A 0B 0C ... hex>"); + PrintAndLog(" -r do not read response"); + PrintAndLog(" -c calculate and append CRC"); + PrintAndLog(" -p leave the signal field ON after receive"); + PrintAndLog(" -a active signal field ON without select"); + PrintAndLog(" -s active signal field ON with select"); + PrintAndLog(" -b number of bits to send. Useful for send partial byte"); + return 0; + } - unsigned int hi = 0, lo = 0; - int n = 0, i = 0; - while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { - hi= (hi << 4) | (lo >> 28); - lo= (lo << 4) | (n & 0xf); - } + // strip + while (*cmd==' ' || *cmd=='\t') cmd++; + + while (cmd[i]!='\0') { + if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; } + if (cmd[i]=='-') { + switch (cmd[i+1]) { + case 'r': + reply=0; + break; + case 'c': + crc=1; + break; + case 'p': + power=1; + break; + case 'a': + active=1; + break; + case 's': + active_select=1; + break; + case 'b': + sscanf(cmd+i+2,"%d",&temp); + numbits = temp & 0xFFFF; + i+=3; + while(cmd[i]!=' ' && cmd[i]!='\0') { i++; } + i-=2; + break; + default: + PrintAndLog("Invalid option"); + return 0; + } + i+=2; + continue; + } + if ((cmd[i]>='0' && cmd[i]<='9') || + (cmd[i]>='a' && cmd[i]<='f') || + (cmd[i]>='A' && cmd[i]<='F') ) { + buf[strlen(buf)+1]=0; + buf[strlen(buf)]=cmd[i]; + i++; + + if (strlen(buf)>=2) { + sscanf(buf,"%x",&temp); + data[datalen]=(uint8_t)(temp & 0xff); + datalen++; + *buf=0; + } + continue; + } + PrintAndLog("Invalid char on input"); + return 0; + } + if(crc && datalen>0) + { + uint8_t first, second; + ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second); + data[datalen++] = first; + data[datalen++] = second; + } - // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid - UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}}; - PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo); - SendCommand(&c); - return 0; + if(active || active_select) + { + c.arg[0] |= ISO14A_CONNECT; + if(active) + c.arg[0] |= ISO14A_NO_SELECT; + } + if(power) + c.arg[0] |= ISO14A_NO_DISCONNECT; + if(datalen>0) + c.arg[0] |= ISO14A_RAW; + + c.arg[1] = datalen; + c.arg[2] = numbits; + memcpy(c.d.asBytes,data,datalen); + + SendCommand(&c); + + if (reply) { + if(active_select) + waitCmd(1); + if(datalen>0) + waitCmd(0); + } // if reply + return 0; } -int CmdHF14ASnoop(const char *Cmd) +static void waitCmd(uint8_t iSelect) { - UsbCommand c = {CMD_SNOOP_ISO_14443a}; - SendCommand(&c); - return 0; + uint8_t *recv; + UsbCommand resp; + char *hexout; + + if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { + recv = resp.d.asBytes; + uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0]; + PrintAndLog("received %i octets",iLen); + if(!iLen) + return; + hexout = (char *)malloc(iLen * 3 + 1); + if (hexout != NULL) { + for (int i = 0; i < iLen; i++) { // data in hex + sprintf(&hexout[i * 3], "%02X ", recv[i]); + } + PrintAndLog("%s", hexout); + free(hexout); + } else { + PrintAndLog("malloc failed your client has low memory?"); + } + } else { + PrintAndLog("timeout while waiting for reply."); + } } static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"list", CmdHF14AList, 0, "List ISO 14443a history"}, - {"mifare", CmdHF14AMifare, 0, "Read out sector 0 parity error messages"}, - {"mfrdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, - {"mfrdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, - {"mfwrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, - {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"}, - {"sim", CmdHF14ASim, 0, " -- Fake ISO 14443a tag"}, - {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, + {"help", CmdHelp, 1, "This help"}, + {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"}, + {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"}, + {"cuids", CmdHF14ACUIDs, 0, " Collect n>0 ISO14443 Type A UIDs in one go"}, + {"sim", CmdHF14ASim, 0, " -- Fake ISO 14443a tag"}, + {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, + {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"}, {NULL, NULL, 0, NULL} }; -int CmdHF14A(const char *Cmd) -{ +int CmdHF14A(const char *Cmd) { + // flush + WaitForResponseTimeout(CMD_ACK,NULL,100); + + // parse CmdsParse(CommandTable, Cmd); return 0; }