]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
ADD: Added the HitagS from @spenneb ref:https://events.ccc.de/congress/2015/Fahrplan...
[proxmark3-svn] / client / cmdhf14a.c
index 728cbb287dda2fe382f8c456e626079cd78aec69..33a4234c5fad3599b71657fed3aee9a813bba863 100644 (file)
@@ -23,6 +23,9 @@
 #include "common.h"
 #include "cmdmain.h"
 #include "mifare.h"
 #include "common.h"
 #include "cmdmain.h"
 #include "mifare.h"
+#include "cmdhfmfu.h"
+#include "nonce2key/nonce2key.h"
+#include "cmdhf.h"
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
@@ -123,17 +126,60 @@ char* getTagInfo(uint8_t uid) {
        return manufactureMapping[len-1].desc; 
 }
 
        return manufactureMapping[len-1].desc; 
 }
 
+
+int usage_hf_14a_sim(void) {
+       PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
+       PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
+       PrintAndLog("  Options : ");
+       PrintAndLog("    h     : this help");
+       PrintAndLog("    t     : 1 = MIFARE Classic");
+       PrintAndLog("            2 = MIFARE Ultralight");
+       PrintAndLog("            3 = MIFARE Desfire");
+       PrintAndLog("            4 = ISO/IEC 14443-4");
+       PrintAndLog("            5 = MIFARE Tnp3xxx");
+       PrintAndLog("            6 = MIFARE Mini");
+       PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
+       PrintAndLog("    u     : 4 or 7 byte UID");
+       PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
+       PrintAndLog("\n   sample : hf 14a sim t 1 u 1122344");
+       PrintAndLog("          : hf 14a sim t 1 u 1122344 x\n");
+       return 0;
+}
+int usage_hf_14a_sniff(void){
+       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 sniff [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 sniff c r");
+       return 0;
+}
+int usage_hf_14a_raw(void){
+       PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
+       PrintAndLog("       -h    this help");
+       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");
+       PrintAndLog("       -t    timeout in ms");
+       PrintAndLog("       -T    use Topaz protocol to send command");
+       return 0;
+}
+
 int CmdHF14AList(const char *Cmd)
 {
 int CmdHF14AList(const char *Cmd)
 {
-       PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+       //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+       CmdHFList("14a");
        return 0;
 }
 
 int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
        return 0;
 }
 
 int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
        SendCommand(&c);
-
        UsbCommand resp;
        WaitForResponse(CMD_ACK,&resp);
        
        UsbCommand resp;
        WaitForResponse(CMD_ACK,&resp);
        
@@ -143,7 +189,7 @@ int CmdHF14AReader(const char *Cmd)
        uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
        
        if(select_status == 0) {
        uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
        
        if(select_status == 0) {
-               PrintAndLog("iso14443a card select failed");
+               if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
                // disconnect
                c.arg[0] = 0;
                c.arg[1] = 0;
                // disconnect
                c.arg[0] = 0;
                c.arg[1] = 0;
@@ -169,6 +215,34 @@ int CmdHF14AReader(const char *Cmd)
 
        switch (card.sak) {
                case 0x00: 
 
        switch (card.sak) {
                case 0x00: 
+
+                       //***************************************test****************
+                       ul_switch_off_field();
+                       
+                       uint32_t tagT = GetHF14AMfU_Type();
+                       ul_print_type(tagT, 0);
+
+                       //reconnect for further tests
+                       c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
+                       c.arg[1] = 0;
+                       c.arg[2] = 0;
+
+                       clearCommandBuffer();
+                       SendCommand(&c);
+
+                       UsbCommand resp;
+                       WaitForResponse(CMD_ACK,&resp);
+                       
+                       memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+                       select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+                       
+                       if(select_status == 0) {
+                               ul_switch_off_field();
+                               return 0;
+                       }
+
+                       /*  orig
                        // check if the tag answers to GETVERSION (0x60)
                        c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
                        c.arg[1] = 1;
                        // check if the tag answers to GETVERSION (0x60)
                        c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
                        c.arg[1] = 1;
@@ -187,7 +261,7 @@ int CmdHF14AReader(const char *Cmd)
                                case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
                                case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
                        }
                                case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
                                case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
                        }
-                       
+                       */
                        break;
                case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
                case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
                        break;
                case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
                case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
@@ -206,7 +280,6 @@ int CmdHF14AReader(const char *Cmd)
        }
 
        // Double & triple sized UID, can be mapped to a manufacturer.
        }
 
        // Double & triple sized UID, can be mapped to a manufacturer.
-       // HACK: does this apply for Ultralight cards?
        if ( card.uidlen > 4 ) {
                PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
        }
        if ( card.uidlen > 4 ) {
                PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
        }
@@ -218,6 +291,7 @@ int CmdHF14AReader(const char *Cmd)
                c.arg[1] = 2;
                c.arg[2] = 0;
                memcpy(c.d.asBytes, rats, 2);
                c.arg[1] = 2;
                c.arg[2] = 0;
                memcpy(c.d.asBytes, rats, 2);
+               clearCommandBuffer();
                SendCommand(&c);
                WaitForResponse(CMD_ACK,&resp);
                
                SendCommand(&c);
                WaitForResponse(CMD_ACK,&resp);
                
@@ -315,16 +389,16 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
                                        case 0x01:
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
                                        case 0x01:
-                                               PrintAndLog("                     x0 -> 1 kByte");
+                                               PrintAndLog("                     x1 -> 1 kByte");
                                                break;
                                        case 0x02:
                                                break;
                                        case 0x02:
-                                               PrintAndLog("                     x0 -> 2 kByte");
+                                               PrintAndLog("                     x2 -> 2 kByte");
                                                break;
                                        case 0x03:
                                                break;
                                        case 0x03:
-                                               PrintAndLog("                     x0 -> 4 kByte");
+                                               PrintAndLog("                     x3 -> 4 kByte");
                                                break;
                                        case 0x04:
                                                break;
                                        case 0x04:
-                                               PrintAndLog("                     x0 -> 8 kByte");
+                                               PrintAndLog("                     x4 -> 8 kByte");
                                                break;
                                }
                                switch (card.ats[pos + 3] & 0xf0) {
                                                break;
                                }
                                switch (card.ats[pos + 3] & 0xf0) {
@@ -365,14 +439,17 @@ int CmdHF14AReader(const char *Cmd)
 
        
        // try to see if card responses to "chinese magic backdoor" commands.
 
        
        // try to see if card responses to "chinese magic backdoor" commands.
+       uint8_t isOK = 0;
+       clearCommandBuffer();
        c.cmd = CMD_MIFARE_CIDENT;
        c.arg[0] = 0;
        c.arg[1] = 0;
        c.arg[2] = 0;   
        SendCommand(&c);
        c.cmd = CMD_MIFARE_CIDENT;
        c.arg[0] = 0;
        c.arg[1] = 0;
        c.arg[2] = 0;   
        SendCommand(&c);
-       WaitForResponse(CMD_ACK,&resp);
-       uint8_t isOK  = resp.arg[0] & 0xff;
-       PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
+               isOK  = resp.arg[0] & 0xff;
+
+       PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
        
        // disconnect
        c.cmd = CMD_READER_ISO_14443a;
        
        // disconnect
        c.cmd = CMD_READER_ISO_14443a;
@@ -425,97 +502,92 @@ int CmdHF14ACUIDs(const char *Cmd)
 // ## greg - added ability to specify tag UID
 int CmdHF14ASim(const char *Cmd)
 {
 // ## greg - added ability to specify tag UID
 int CmdHF14ASim(const char *Cmd)
 {
-       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
-       
-       // Retrieve the tag type
-       uint8_t tagtype = param_get8ex(Cmd,0,0,10);
-       
-       // 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 <type> <uid>");
-               PrintAndLog("    types: 1 = MIFARE Classic");
-               PrintAndLog("           2 = MIFARE Ultralight");
-               PrintAndLog("           3 = MIFARE Desfire");
-               PrintAndLog("           4 = ISO/IEC 14443-4");
-               PrintAndLog("           5 = MIFARE Tnp3xxx");           
-               PrintAndLog("");
-               return 1;
+       bool errors = FALSE;
+       uint8_t flags = 0;
+       uint8_t tagtype = 1;
+       uint64_t uid = 0;
+       uint8_t cmdp = 0;
+
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_14a_sim();
+                       case 't':
+                       case 'T':
+                               // Retrieve the tag type
+                               tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
+                               if (tagtype == 0)
+                                       errors = true; 
+                               cmdp += 2;
+                               break;
+                       case 'u':
+                       case 'U':
+                               // Retrieve the full 4 or 7 byte long uid 
+                               uid = param_get64ex(Cmd, cmdp+1, 0, 16);
+                               if (uid == 0 )
+                                       errors = TRUE;
+                                
+                               if (uid > 0xffffffff) {
+                                       PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",uid);
+                                       flags |= FLAG_7B_UID_IN_DATA;
+                               } else {
+                                       PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",uid);
+                                       flags |= FLAG_4B_UID_IN_DATA;
+                               }
+                               cmdp += 2;
+                               break;
+                       case 'x':
+                       case 'X':
+                               flags |= FLAG_NR_AR_ATTACK;
+                               cmdp++;
+                               break;
+                       default:
+                               PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+                       }
+               if(errors) break;
        }
        }
+
+       //Validations
+       if (errors) return usage_hf_14a_sim();
+
+       PrintAndLog("Press pm3-button to abort simulation");
        
        
-       // Store the tag type
-       c.arg[0] = tagtype;
+       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
        
        
-       // 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("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;
+       num_to_bytes(uid, 7, c.d.asBytes);
+       clearCommandBuffer();
+       SendCommand(&c);        
 
 
-       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]);
+       uint8_t data[40];
+       uint8_t key[6];
+       UsbCommand resp;
+       while(!ukbhit()){
+               if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                       if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
+                               memset(data, 0x00, sizeof(data));
+                               memset(key, 0x00, sizeof(key));
+                               int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
+                               memcpy(data, resp.d.asBytes, len);
+                               tryMfk32(uid, data, key);
+                               //tryMfk32_moebius(uid, data, key);
+                               //tryMfk64(uid, data, key);
+                               PrintAndLog("--");
+                       }
+               }
        }
        }
-       
-       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 <uid>",c.arg[0]);
-                       PrintAndLog(" type1: 4 ",c.arg[0]);
-
-                       return 1;
-               } break;
-       }       
-*/
-/*
-  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);
-  return 0;
+       return 0;
 }
 
 }
 
-int CmdHF14ASnoop(const char *Cmd) {
+int CmdHF14ASniff(const char *Cmd) {
        int param = 0;
        
        uint8_t ctmp = param_getchar(Cmd, 0) ;
        int param = 0;
        
        uint8_t ctmp = param_getchar(Cmd, 0) ;
-       if (ctmp == 'h' || ctmp == '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;
-       }       
+       if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
        
        for (int i = 0; i < 2; i++) {
                ctmp = param_getchar(Cmd, i);
        
        for (int i = 0; i < 2; i++) {
                ctmp = param_getchar(Cmd, i);
@@ -524,11 +596,11 @@ int CmdHF14ASnoop(const char *Cmd) {
        }
 
   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
        }
 
   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+  clearCommandBuffer();
   SendCommand(&c);
   return 0;
 }
 
   SendCommand(&c);
   return 0;
 }
 
-
 int CmdHF14ACmdRaw(const char *cmd) {
     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
     bool reply=1;
 int CmdHF14ACmdRaw(const char *cmd) {
     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
     bool reply=1;
@@ -546,19 +618,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
        uint16_t datalen=0;
        uint32_t temp;
 
        uint16_t datalen=0;
        uint32_t temp;
 
-    if (strlen(cmd)<2) {
-        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-a] [-t] <milliseconds> [-b] <number of bits>  <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");
-               PrintAndLog("       -t    timeout in ms");
-               PrintAndLog("       -T    use Topaz protocol to send command");
-        return 0;
-    }
-
+    if (strlen(cmd)<2) return usage_hf_14a_raw();
 
     // strip
     while (*cmd==' ' || *cmd=='\t') cmd++;
 
     // strip
     while (*cmd==' ' || *cmd=='\t') cmd++;
@@ -567,6 +627,9 @@ int CmdHF14ACmdRaw(const char *cmd) {
         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
         if (cmd[i]=='-') {
             switch (cmd[i+1]) {
         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
         if (cmd[i]=='-') {
             switch (cmd[i+1]) {
+                               case 'H':
+                               case 'h':
+                                       return usage_hf_14a_raw();
                 case 'r': 
                     reply = FALSE;
                     break;
                 case 'r': 
                     reply = FALSE;
                     break;
@@ -601,8 +664,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                                        topazmode = TRUE;
                                        break;
                 default:
                                        topazmode = TRUE;
                                        break;
                 default:
-                    PrintAndLog("Invalid option");
-                    return 0;
+                    return usage_hf_14a_raw();
             }
             i+=2;
             continue;
             }
             i+=2;
             continue;
@@ -618,7 +680,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                 sscanf(buf,"%x",&temp);
                 data[datalen]=(uint8_t)(temp & 0xff);
                 *buf=0;
                 sscanf(buf,"%x",&temp);
                 data[datalen]=(uint8_t)(temp & 0xff);
                 *buf=0;
-                               if (++datalen>sizeof(data)){
+                               if (++datalen >= sizeof(data)){
                                        if (crc)
                                                PrintAndLog("Buffer is full, we can't add CRC to your data");
                                        break;
                                        if (crc)
                                                PrintAndLog("Buffer is full, we can't add CRC to your data");
                                        break;
@@ -636,7 +698,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                if (topazmode) {
                        ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
                } else {
                if (topazmode) {
                        ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
                } else {
-        ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+                       ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
                }
         data[datalen++] = first;
         data[datalen++] = second;
                }
         data[datalen++] = first;
         data[datalen++] = second;
@@ -667,11 +729,14 @@ int CmdHF14ACmdRaw(const char *cmd) {
 
        if(topazmode)
                c.arg[0] |= ISO14A_TOPAZMODE;
 
        if(topazmode)
                c.arg[0] |= ISO14A_TOPAZMODE;
-               
+                       
        // Max buffer is USB_CMD_DATA_SIZE
        // Max buffer is USB_CMD_DATA_SIZE
-    c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
+       datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
+               
+    c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
     memcpy(c.d.asBytes,data,datalen);
 
     memcpy(c.d.asBytes,data,datalen);
 
+       clearCommandBuffer();
     SendCommand(&c);
 
     if (reply) {
     SendCommand(&c);
 
     if (reply) {
@@ -683,9 +748,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
     return 0;
 }
 
     return 0;
 }
 
-
-static void waitCmd(uint8_t iSelect)
-{
+static void waitCmd(uint8_t iSelect) {
     uint8_t *recv;
     UsbCommand resp;
     char *hexout;
     uint8_t *recv;
     UsbCommand resp;
     char *hexout;
@@ -718,18 +781,19 @@ static command_t CommandTable[] =
   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
-  {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+  {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
 int CmdHF14A(const char *Cmd) {
        // flush
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
 int CmdHF14A(const char *Cmd) {
        // flush
-       WaitForResponseTimeout(CMD_ACK,NULL,100);
+       clearCommandBuffer();
+       //WaitForResponseTimeout(CMD_ACK,NULL,100);
 
        // parse
 
        // parse
-  CmdsParse(CommandTable, Cmd);
-  return 0;
+       CmdsParse(CommandTable, Cmd);
+       return 0;
 }
 
 int CmdHelp(const char *Cmd)
 }
 
 int CmdHelp(const char *Cmd)
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