X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/910ad5470d913baeaf9d882a22fc1b853318a5da..298143218af2c123d27929638ff42c579f218c60:/client/cmdhficlass.c?ds=sidebyside diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c index cd4b4440..63634cd4 100644 --- a/client/cmdhficlass.c +++ b/client/cmdhficlass.c @@ -23,7 +23,7 @@ #include "common.h" #include "util.h" #include "cmdmain.h" -#include "loclass/des.h" +#include "polarssl/des.h" #include "loclass/cipherutils.h" #include "loclass/cipher.h" #include "loclass/ikeys.h" @@ -180,10 +180,10 @@ int CmdHFiClassSim(const char *Cmd) { int HFiClassReader(const char *Cmd, bool loop, bool verbose) { bool tagFound = false; - UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN| - FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_AA}}; + UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN | + FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_AA | + FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY } }; // loop in client not device - else on windows have a communication error - c.arg[0] |= FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY; UsbCommand resp; while(!ukbhit()){ SendCommand(&c); @@ -191,21 +191,34 @@ int HFiClassReader(const char *Cmd, bool loop, bool verbose) { uint8_t readStatus = resp.arg[0] & 0xff; uint8_t *data = resp.d.asBytes; - if (verbose) - PrintAndLog("Readstatus:%02x", readStatus); - if( readStatus == 0){ - //Aborted + // no tag found or button pressed + if( (readStatus == 0 && !loop) || readStatus == 0xFF) { + // abort if (verbose) PrintAndLog("Quitting..."); return 0; } - if( readStatus & FLAG_ICLASS_READER_CSN){ - PrintAndLog("CSN: %s",sprint_hex(data,8)); + + if( readStatus & FLAG_ICLASS_READER_CSN) { + PrintAndLog(" CSN: %s",sprint_hex(data,8)); tagFound = true; } - if( readStatus & FLAG_ICLASS_READER_CC) PrintAndLog("CC: %s",sprint_hex(data+16,8)); - if( readStatus & FLAG_ICLASS_READER_CONF){ + if( readStatus & FLAG_ICLASS_READER_CC) { + PrintAndLog(" CC: %s",sprint_hex(data+16,8)); + } + if( readStatus & FLAG_ICLASS_READER_CONF) { printIclassDumpInfo(data); } + if (readStatus & FLAG_ICLASS_READER_AA) { + bool legacy = true; + PrintAndLog(" AppIA: %s",sprint_hex(data+8*5,8)); + for (int i = 0; i<8; i++) { + if (data[8*5+i] != 0xFF) { + legacy = false; + } + } + PrintAndLog(" : Possible iClass %s",(legacy) ? "(legacy tag)" : "(NOT legacy tag)"); + } + if (tagFound && !loop) return 1; } else { if (verbose) PrintAndLog("Command execute timeout"); @@ -670,7 +683,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { SendCommand(&c); if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { PrintAndLog("Command execute timeout"); - ul_switch_off_field(); + DropField(); return 0; } uint8_t readStatus = resp.arg[0] & 0xff; @@ -678,7 +691,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { if(readStatus == 0){ PrintAndLog("No tag found..."); - ul_switch_off_field(); + DropField(); return 0; } if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){ @@ -689,12 +702,12 @@ int CmdHFiClassReader_Dump(const char *Cmd) { // large memory - not able to dump pages currently if (numblks > maxBlk) numblks = maxBlk; } - ul_switch_off_field(); + DropField(); // authenticate debit key and get div_key - later store in dump block 3 if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ //try twice - for some reason it sometimes fails the first time... if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ - ul_switch_off_field(); + DropField(); return 0; } } @@ -705,14 +718,14 @@ int CmdHFiClassReader_Dump(const char *Cmd) { SendCommand(&w); if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { PrintAndLog("Command execute time-out 1"); - ul_switch_off_field(); + DropField(); return 1; } uint32_t blocksRead = resp.arg[1]; uint8_t isOK = resp.arg[0] & 0xff; if (!isOK && !blocksRead) { PrintAndLog("Read Block Failed"); - ul_switch_off_field(); + DropField(); return 0; } uint32_t startindex = resp.arg[2]; @@ -728,13 +741,13 @@ int CmdHFiClassReader_Dump(const char *Cmd) { // try AA2 if (have_credit_key) { //turn off hf field before authenticating with different key - ul_switch_off_field(); + DropField(); memset(MAC,0,4); // AA2 authenticate credit key and git c_div_key - later store in dump block 4 if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ //try twice - for some reason it sometimes fails the first time... if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ - ul_switch_off_field(); + DropField(); return 0; } } @@ -747,14 +760,14 @@ int CmdHFiClassReader_Dump(const char *Cmd) { SendCommand(&w); if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { PrintAndLog("Command execute timeout 2"); - ul_switch_off_field(); + DropField(); return 0; } uint8_t isOK = resp.arg[0] & 0xff; blocksRead = resp.arg[1]; if (!isOK && !blocksRead) { PrintAndLog("Read Block Failed 2"); - ul_switch_off_field(); + DropField(); return 0; } @@ -769,7 +782,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { gotBytes += blocksRead*8; } else { //field is still on - turn it off... - ul_switch_off_field(); + DropField(); } } @@ -917,7 +930,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) { if (cmdp < 6) return usage_hf_iclass_writeblock(); int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true); - ul_switch_off_field(); + DropField(); return ans; } @@ -1095,12 +1108,19 @@ int CmdHFiClassCloneTag(const char *Cmd) { return 1; } -static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose) { +static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose, bool auth) { uint8_t MAC[4]={0x00,0x00,0x00,0x00}; uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; - if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose)) - return 0; + if (auth) { + if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose)) + return 0; + } else { + uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; + uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; + if (!select_only(CSN, CCNR, (keyType==0x18), verbose)) + return 0; + } UsbCommand resp; UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}}; @@ -1146,6 +1166,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { bool elite = false; bool rawkey = false; bool errors = false; + bool auth = false; uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) { @@ -1174,6 +1195,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { break; case 'k': case 'K': + auth = true; dataLen = param_getstr(Cmd, cmdp+1, tempStr); if (dataLen == 16) { errors = param_gethex(tempStr, 0, KEY, dataLen); @@ -1204,9 +1226,10 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { if(errors) return usage_hf_iclass_readblock(); } - if (cmdp < 4) return usage_hf_iclass_readblock(); - - return ReadBlock(KEY, blockno, keyType, elite, rawkey, true); + if (cmdp < 2) return usage_hf_iclass_readblock(); + if (!auth) + PrintAndLog("warning: no authentication used with read, only a few specific blocks can be read accurately without authentication."); + return ReadBlock(KEY, blockno, keyType, elite, rawkey, true, auth); } int CmdHFiClass_loclass(const char *Cmd) { @@ -1349,7 +1372,7 @@ uint64_t hexarray_to_uint64(uint8_t *key) { for (int i = 0;i < 8;i++) sprintf(&temp[(i *2)],"%02X",key[i]); temp[16] = '\0'; - if (sscanf(temp,"%016"llx,&uint_key) < 1) + if (sscanf(temp,"%016" SCNx64,&uint_key) < 1) return 0; return uint_key; } @@ -1689,7 +1712,7 @@ static command_t CommandTable[] = {"loclass", CmdHFiClass_loclass, 1, "[options..] Use loclass to perform bruteforce of reader attack dump"}, {"managekeys", CmdHFiClassManageKeys, 1, "[options..] Manage the keys to use with iClass"}, {"readblk", CmdHFiClass_ReadBlock, 0, "[options..] Authenticate and Read iClass block"}, - {"reader", CmdHFiClassReader, 0, " Read an iClass tag"}, + {"reader", CmdHFiClassReader, 0, " Look for iClass tags until a key or the pm3 button is pressed"}, {"readtagfile", CmdHFiClassReadTagFile, 1, "[options..] Display Content from tagfile"}, {"replay", CmdHFiClassReader_Replay, 0, " Read an iClass tag via Reply Attack"}, {"sim", CmdHFiClassSim, 0, "[options..] Simulate iClass tag"},