From caaf9618aeb941fd3166f8fced5077d243c498a1 Mon Sep 17 00:00:00 2001 From: Martin Holst Swende Date: Sun, 29 Mar 2015 21:49:58 +0200 Subject: [PATCH] Minor mod to 'hf iclass read', it now also reads and prints the configuration of the tag found --- armsrc/iclass.c | 71 ++++++++++++++++++++++++++++++++------------ client/cmdhficlass.c | 27 ++++++++--------- include/usb_cmd.h | 6 +++- 3 files changed, 69 insertions(+), 35 deletions(-) diff --git a/armsrc/iclass.c b/armsrc/iclass.c index 260e6a60..7b4daa36 100644 --- a/armsrc/iclass.c +++ b/armsrc/iclass.c @@ -1627,7 +1627,10 @@ uint8_t handshakeIclassTag(uint8_t *card_data) static uint8_t act_all[] = { 0x0a }; static uint8_t identify[] = { 0x0c }; static uint8_t select[] = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - static uint8_t readcheck_cc[]= { 0x88, 0x02 }; + + + static uint8_t readcheck_cc[]= { 0x88, 0x02,}; + uint8_t resp[ICLASS_BUFFER_SIZE]; uint8_t read_status = 0; @@ -1662,28 +1665,33 @@ uint8_t handshakeIclassTag(uint8_t *card_data) if(ReaderReceiveIClass(resp) == 8) { //Save CC (e-purse) in response data memcpy(card_data+8,resp,8); - - //Got both - read_status = 2; + read_status++; } return read_status; } + // Reader iClass Anticollission void ReaderIClass(uint8_t arg0) { - uint8_t card_data[24]={0}; + uint8_t card_data[6 * 8]={0xFF}; uint8_t last_csn[8]={0}; + //Read conf block CRC(0x01) => 0xfa 0x22 + uint8_t readConf[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x01, 0xfa, 0x22}; + //Read conf block CRC(0x05) => 0xde 0x64 + uint8_t readAA[] = { ICLASS_CMD_READ_OR_IDENTIFY,0x05, 0xde, 0x64}; + + int read_status= 0; + uint8_t result_status = 0; bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE; - bool get_cc = arg0 & FLAG_ICLASS_READER_GET_CC; + set_tracing(TRUE); setupIclassReader(); - size_t datasize = 0; - while(!BUTTON_PRESS()) + while(!BUTTON_PRESS()) { if(!tracing) { @@ -1695,15 +1703,40 @@ void ReaderIClass(uint8_t arg0) { read_status = handshakeIclassTag(card_data); if(read_status == 0) continue; - if(read_status == 1) datasize = 8; - if(read_status == 2) datasize = 16; + if(read_status == 1) result_status = FLAG_ICLASS_READER_CSN; + if(read_status == 2) result_status = FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CC; + + // handshakeIclass returns CSN|CC, but the actual block + // layout is CSN|CONFIG|CC, so here we reorder the data, + // moving CC forward 8 bytes + memcpy(card_data+16,card_data+8, 8); + //Read block 1, config + if(arg0 & FLAG_ICLASS_READER_CONF) + { + if(sendCmdGetResponseWithRetries(readConf, sizeof(readConf),card_data+8, 10, 10)) + { + Dbprintf("Failed to dump config block"); + }else + { + result_status |= FLAG_ICLASS_READER_CONF; + } + } - //Todo, read the public blocks 1,5 aswell: - // - // 0 : CSN (we already have) + //Read block 5, AA + if(arg0 & FLAG_ICLASS_READER_AA){ + if(sendCmdGetResponseWithRetries(readAA, sizeof(readAA),card_data+(8*4), 10, 10)) + { +// Dbprintf("Failed to dump AA block"); + }else + { + result_status |= FLAG_ICLASS_READER_AA; + } + } + + // 0 : CSN // 1 : Configuration - // 2 : e-purse (we already have) - // (3,4 write-only) + // 2 : e-purse + // (3,4 write-only, kc and kd) // 5 Application issuer area // //Then we can 'ship' back the 8 * 5 bytes of data, @@ -1713,10 +1746,10 @@ void ReaderIClass(uint8_t arg0) { //Send back to client, but don't bother if we already sent this if(memcmp(last_csn, card_data, 8) != 0) { - - if(!get_cc || (get_cc && read_status == 2)) + // If caller requires that we get CC, continue until we got it + if( (arg0 & read_status & FLAG_ICLASS_READER_CC) || !(arg0 & FLAG_ICLASS_READER_CC)) { - cmd_send(CMD_ACK,read_status,0,0,card_data,datasize); + cmd_send(CMD_ACK,result_status,0,0,card_data,sizeof(card_data)); if(abort_after_read) { LED_A_OFF(); return; @@ -1724,7 +1757,7 @@ void ReaderIClass(uint8_t arg0) { //Save that we already sent this.... memcpy(last_csn, card_data, 8); } - //If 'get_cc' was specified and we didn't get a CC, we'll just keep trying... + } LED_B_OFF(); } diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c index 31f7ba97..44b074b3 100644 --- a/client/cmdhficlass.c +++ b/client/cmdhficlass.c @@ -30,6 +30,7 @@ #include "loclass/elite_crack.h" #include "loclass/fileutils.h" #include "protocols.h" +#include "usb_cmd.h" static int CmdHelp(const char *Cmd); @@ -166,29 +167,25 @@ int CmdHFiClassSim(const char *Cmd) int CmdHFiClassReader(const char *Cmd) { - UsbCommand c = {CMD_READER_ICLASS, {0}}; + UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN| + FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_AA}}; SendCommand(&c); UsbCommand resp; while(!ukbhit()){ if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) { - uint8_t isOK = resp.arg[0] & 0xff; + uint8_t readStatus = resp.arg[0] & 0xff; uint8_t * data = resp.d.asBytes; - PrintAndLog("isOk:%02x", isOK); - if( isOK == 0){ + PrintAndLog("Readstatus:%02x", readStatus); + if( readStatus == 0){ //Aborted PrintAndLog("Quitting..."); return 0; } - if(isOK > 0) - { - PrintAndLog("CSN: %s",sprint_hex(data,8)); - } - if(isOK >= 1) - { - PrintAndLog("CC: %s",sprint_hex(data+8,8)); - }else{ - PrintAndLog("No CC obtained"); + if( readStatus & FLAG_ICLASS_READER_CSN) PrintAndLog("CSN: %s",sprint_hex(data,8)); + if( readStatus & FLAG_ICLASS_READER_CC) PrintAndLog("CC: %s",sprint_hex(data+16,8)); + if( readStatus & FLAG_ICLASS_READER_CONF){ + printIclassDumpInfo(data); } } else { PrintAndLog("Command execute timeout"); @@ -269,7 +266,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) uint8_t key_sel_p[8] = { 0 }; UsbCommand c = {CMD_READER_ICLASS, {0}}; - c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_GET_CC; + c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_CC; SendCommand(&c); @@ -284,7 +281,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) uint8_t * data = resp.d.asBytes; memcpy(CSN,data,8); - memcpy(CCNR,data+8,8); + memcpy(CCNR,data+16,8); PrintAndLog("isOk:%02x", isOK); diff --git a/include/usb_cmd.h b/include/usb_cmd.h index aab631da..62c3d949 100644 --- a/include/usb_cmd.h +++ b/include/usb_cmd.h @@ -199,7 +199,11 @@ typedef struct{ //Iclass reader flags #define FLAG_ICLASS_READER_ONLY_ONCE 0x01 -#define FLAG_ICLASS_READER_GET_CC 0x02 +#define FLAG_ICLASS_READER_CC 0x02 +#define FLAG_ICLASS_READER_CSN 0x04 +#define FLAG_ICLASS_READER_CONF 0x08 +#define FLAG_ICLASS_READER_AA 0x10 + // CMD_DEVICE_INFO response packet has flags in arg[0], flag definitions: -- 2.39.2