X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/165e0775b1660a4dfc1f95338585bcb663b6b5e7..2e35aa3aa7d09cf2caa85a5a9f2b6cdfc74afb87:/client/cmdhficlass.c?ds=inline
diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 4cf9d3ea..60713a01 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"
@@ -33,8 +33,6 @@
#include "usb_cmd.h"
#include "cmdhfmfu.h"
-#define llX PRIx64
-
static int CmdHelp(const char *Cmd);
#define ICLASS_KEYS_MAX 8
@@ -182,10 +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);
@@ -193,21 +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");
@@ -267,7 +278,7 @@ int CmdHFiClassELoad(const char *Cmd) {
//File handling and reading
FILE *f;
char filename[FILE_PATH_SIZE];
- if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
+ if(opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0)
{
f = fopen(filename, "rb");
}else{
@@ -373,7 +384,7 @@ int CmdHFiClassDecrypt(const char *Cmd) {
//Open the tagdump-file
FILE *f;
char filename[FILE_PATH_SIZE];
- if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
+ if(opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) {
f = fopen(filename, "rb");
if ( f == NULL ) {
PrintAndLog("Could not find file %s", filename);
@@ -594,7 +605,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
case 'c':
case 'C':
have_credit_key = true;
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, CreditKEY, dataLen);
} else if (dataLen == 1) {
@@ -618,7 +629,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
break;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename);
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
@@ -628,7 +639,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
case 'k':
case 'K':
have_debit_key = true;
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
@@ -672,7 +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;
@@ -680,7 +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)){
@@ -691,12 +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;
}
}
@@ -707,14 +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];
@@ -730,13 +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;
}
}
@@ -749,14 +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;
}
@@ -771,7 +782,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
gotBytes += blocksRead*8;
} else { //field is still on - turn it off...
- ul_switch_off_field();
+ DropField();
}
}
@@ -779,10 +790,10 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
// print the dump
- printf("CSN |00| %02X %02X %02X %02X %02X %02X %02X %02X |\n",tag_data[0],tag_data[1],tag_data[2]
- ,tag_data[3],tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
- printIclassDumpContents(tag_data, 1, (gotBytes/8)-1, gotBytes-8);
-
+ printf("------+--+-------------------------+\n");
+ printf("CSN |00| %s|\n",sprint_hex(tag_data, 8));
+ printIclassDumpContents(tag_data, 1, (gotBytes/8), gotBytes);
+
if (filename[0] == 0){
snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
tag_data[0],tag_data[1],tag_data[2],tag_data[3],
@@ -887,7 +898,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
break;
case 'k':
case 'K':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
@@ -919,7 +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;
}
@@ -981,7 +992,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
break;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename);
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
@@ -990,7 +1001,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
break;
case 'k':
case 'K':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
@@ -1097,12 +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}};
@@ -1148,6 +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)
{
@@ -1176,7 +1195,8 @@ int CmdHFiClass_ReadBlock(const char *Cmd) {
break;
case 'k':
case 'K':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ auth = true;
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
@@ -1206,9 +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) {
@@ -1222,7 +1243,7 @@ int CmdHFiClass_loclass(const char *Cmd) {
PrintAndLog("f <filename> Bruteforce iclass dumpfile");
PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
PrintAndLog(" malicious CSNs, and their protocol responses");
- PrintAndLog(" The the binary format of the file is expected to be as follows: ");
+ PrintAndLog(" The binary format of the file is expected to be as follows: ");
PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
@@ -1232,7 +1253,7 @@ int CmdHFiClass_loclass(const char *Cmd) {
char fileName[255] = {0};
if(opt == 'f')
{
- if(param_getstr(Cmd, 1, fileName) > 0)
+ if(param_getstr(Cmd, 1, fileName, sizeof(fileName)) > 0)
{
return bruteforceFileNoKeys(fileName);
}else
@@ -1257,7 +1278,6 @@ int CmdHFiClass_loclass(const char *Cmd) {
}
void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) {
- uint8_t blockdata[8];
uint8_t mem_config;
memcpy(&mem_config, iclass_dump + 13,1);
uint8_t maxmemcount;
@@ -1272,18 +1292,19 @@ void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t e
startblock = 6;
if ((endblock > maxmemcount) || (endblock == 0))
endblock = maxmemcount;
- if (endblock > filemaxblock)
+
+ // remember endblock need to relate to zero-index arrays.
+ if (endblock > filemaxblock-1)
endblock = filemaxblock;
+
int i = startblock;
- int j;
- while (i <= endblock){
- printf("Block |%02X| ",i);
- memcpy(blockdata,iclass_dump + (i * 8),8);
- for (j = 0;j < 8;j++)
- printf("%02X ",blockdata[j]);
- printf("|\n");
+ printf("------+--+-------------------------+\n");
+ while (i <= endblock) {
+ uint8_t *blk = iclass_dump + (i * 8);
+ printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) );
i++;
}
+ printf("------+--+-------------------------+\n");
}
int usage_hf_iclass_readtagfile() {
@@ -1297,14 +1318,14 @@ int CmdHFiClassReadTagFile(const char *Cmd) {
char tempnum[5];
FILE *f;
char filename[FILE_PATH_SIZE];
- if (param_getstr(Cmd, 0, filename) < 1)
+ if (param_getstr(Cmd, 0, filename, sizeof(filename)) < 1)
return usage_hf_iclass_readtagfile();
- if (param_getstr(Cmd,1,(char *)&tempnum) < 1)
+ if (param_getstr(Cmd, 1, tempnum, sizeof(tempnum)) < 1)
startblock = 0;
else
sscanf(tempnum,"%d",&startblock);
- if (param_getstr(Cmd,2,(char *)&tempnum) < 1)
+ if (param_getstr(Cmd,2, tempnum, sizeof(tempnum)) < 1)
endblock = 0;
else
sscanf(tempnum,"%d",&endblock);
@@ -1329,7 +1350,8 @@ int CmdHFiClassReadTagFile(const char *Cmd) {
size_t bytes_read = fread(dump, 1, fsize, f);
fclose(f);
uint8_t *csn = dump;
- printf("CSN [00] | %02X %02X %02X %02X %02X %02X %02X %02X |\n",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);
+ printf("------+--+-------------------------+\n");
+ printf("CSN |00| %s|\n", sprint_hex(csn, 8) );
// printIclassDumpInfo(dump);
printIclassDumpContents(dump,startblock,endblock,bytes_read);
free(dump);
@@ -1350,7 +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;
}
@@ -1436,7 +1458,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) {
return usage_hf_iclass_calc_newkey();
case 'e':
case 'E':
- dataLen = param_getstr(Cmd, cmdp, tempStr);
+ dataLen = param_getstr(Cmd, cmdp, tempStr, sizeof(tempStr));
if (dataLen==2)
oldElite = true;
elite = true;
@@ -1444,7 +1466,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) {
break;
case 'n':
case 'N':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
} else if (dataLen == 1) {
@@ -1463,7 +1485,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) {
break;
case 'o':
case 'O':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
} else if (dataLen == 1) {
@@ -1604,7 +1626,7 @@ int CmdHFiClassManageKeys(const char *Cmd) {
return usage_hf_iclass_managekeys();
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename);
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
@@ -1623,7 +1645,7 @@ int CmdHFiClassManageKeys(const char *Cmd) {
case 'k':
case 'K':
operation += 3; //set key
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) { //ul-c or ev1/ntag key length
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else {
@@ -1690,7 +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, "<mac> Read an iClass tag via Reply Attack"},
{"sim", CmdHFiClassSim, 0, "[options..] Simulate iClass tag"},