]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
Added some comments
[proxmark3-svn] / client / cmdhf14a.c
index 9f40e754f26aae0dc8a358200b5ddbc82667acc2..6411a919fe684f7632783e45374a20357296a56c 100644 (file)
@@ -64,7 +64,7 @@ const manufactureName manufactureMapping[] = {
        { 0x17, "KSW Microtec GmbH Germany" },
        { 0x18, "ZMD AG Germany" },
        { 0x19, "XICOR, Inc. USA" },
-       { 0x1A, "Sony Corporation Japan Identifier Company Country" },
+       { 0x1A, "Sony Corporation Japan" },
        { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
        { 0x1C, "Emosyn USA" },
        { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
@@ -94,7 +94,7 @@ const manufactureName manufactureMapping[] = {
        { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
        { 0x36, "IDS Microchip AG Switzerland" },
        { 0x37, "Kovio USA" },
-       { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
+       { 0x38, "HMT Microelectronic Ltd Switzerland" },
        { 0x39, "Silicon Craft Technology Thailand" },
        { 0x3A, "Advanced Film Device Inc. Japan" },
        { 0x3B, "Nitecrest Ltd UK" },
@@ -106,7 +106,7 @@ const manufactureName manufactureMapping[] = {
        { 0x41, "Renesas Electronics Corporation Japan" },
        { 0x42, "3Alogics Inc Korea" },
        { 0x43, "Top TroniQ Asia Limited Hong Kong" },
-       { 0x44, "Gentag Inc (USA) USA" },
+       { 0x44, "Gentag Inc. USA" },
        { 0x00, "no tag-info available" } // must be the last entry
 };
 
@@ -143,6 +143,7 @@ int usage_hf_14a_sim(void) {
 //     PrintAndLog("    u     : 4, 7 or 10 byte UID");
        PrintAndLog("    u     : 4, 7 byte UID");
        PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
+       PrintAndLog("    v     : (Optional) show maths used for cracking reader. Useful for debugging.");
        PrintAndLog("\n   sample : hf 14a sim t 1 u 11223344 x");
        PrintAndLog("          : hf 14a sim t 1 u 11223344");
        PrintAndLog("          : hf 14a sim t 1 u 11223344556677");
@@ -179,11 +180,12 @@ int CmdHF14AList(const char *Cmd) {
 }
 
 int CmdHF14AReader(const char *Cmd) {
+       UsbCommand cDisconnect = {CMD_READER_ISO_14443a, {0,0,0}};
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
        clearCommandBuffer();
        SendCommand(&c);
        UsbCommand resp;
-       WaitForResponse(CMD_ACK,&resp);
+       WaitForResponse(CMD_ACK, &resp);
        
        iso14a_card_select_t card;
        memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
@@ -192,22 +194,14 @@ int CmdHF14AReader(const char *Cmd) {
        
        if(select_status == 0) {
                if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
-               // disconnect
-               c.arg[0] = 0;
-               c.arg[1] = 0;
-               c.arg[2] = 0;
-               SendCommand(&c);
+               SendCommand(&cDisconnect);
                return 0;
        }
 
        if(select_status == 3) {
                PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
                PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
-               // disconnect
-               c.arg[0] = 0;
-               c.arg[1] = 0;
-               c.arg[2] = 0;
-               SendCommand(&c);
+               SendCommand(&cDisconnect);
                return 0;
        }
 
@@ -218,22 +212,21 @@ int CmdHF14AReader(const char *Cmd) {
        switch (card.sak) {
                case 0x00: 
 
-                       //***************************************test****************
+                       // ******** is card of the MFU type (UL/ULC/NTAG/ etc etc)
                        ul_switch_off_field();
                        
                        uint32_t tagT = GetHF14AMfU_Type();
-                       ul_print_type(tagT, 0);
+                       if (tagT != UL_ERROR)
+                               ul_print_type(tagT, 0);
 
-                       //reconnect for further tests
+                       // 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);
+                       WaitForResponse(CMD_ACK, &resp);
                        
                        memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 
@@ -243,27 +236,6 @@ int CmdHF14AReader(const char *Cmd) {
                                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;
-                       c.arg[2] = 0;
-                       c.d.asBytes[0] = 0x60;
-                       SendCommand(&c);
-                       WaitForResponse(CMD_ACK,&resp);
-               
-                       uint8_t version[10] = {0};
-                       memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
-                       uint8_t len  = resp.arg[0] & 0xff;
-                       switch ( len){
-                               // todo, identify "Magic UL-C tags".  // they usually have a static nonce response to 0x1A command.
-                               // UL-EV1, size, check version[6] == 0x0b (smaller)  0x0b * 4 == 48
-                               case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);     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;
@@ -379,59 +351,29 @@ int CmdHF14AReader(const char *Cmd) {
                                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;
+                                       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("                     x1 -> 1 kByte");
-                                               break;
-                                       case 0x02:
-                                               PrintAndLog("                     x2 -> 2 kByte");
-                                               break;
-                                       case 0x03:
-                                               PrintAndLog("                     x3 -> 4 kByte");
-                                               break;
-                                       case 0x04:
-                                               PrintAndLog("                     x4 -> 8 kByte");
-                                               break;
+                                       case 0x00: PrintAndLog("                     x0 -> <1 kByte"); break;
+                                       case 0x01: PrintAndLog("                     x1 -> 1 kByte"); break;
+                                       case 0x02: PrintAndLog("                     x2 -> 2 kByte"); break;
+                                       case 0x03: PrintAndLog("                     x3 -> 4 kByte"); break;
+                                       case 0x04: PrintAndLog("                     x4 -> 8 kByte"); break;
                                }
                                switch (card.ats[pos + 3] & 0xf0) {
-                                       case 0x00:
-                                               PrintAndLog("                        0x -> Engineering sample");
-                                               break;
-                                       case 0x20:
-                                               PrintAndLog("                        2x -> Released");
-                                               break;
+                                       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;
+                                       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;
+                                       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;
                                }
                        }
                }
@@ -454,11 +396,7 @@ int CmdHF14AReader(const char *Cmd) {
        PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
        
        // disconnect
-       c.cmd = CMD_READER_ISO_14443a;
-       c.arg[0] = 0;
-       c.arg[1] = 0;
-       c.arg[2] = 0;
-       SendCommand(&c);
+       SendCommand(&cDisconnect);
 
        return select_status;
 }
@@ -509,6 +447,7 @@ int CmdHF14ASim(const char *Cmd) {
        uint8_t uid[10] = {0,0,0,0,0,0,0,0,0,0};
        int uidlen = 0;
        bool useUIDfromEML = TRUE;
+       bool verbose = false;
 
        while(param_getchar(Cmd, cmdp) != 0x00) {
                switch(param_getchar(Cmd, cmdp)) {
@@ -539,6 +478,11 @@ int CmdHF14ASim(const char *Cmd) {
                                }
                                cmdp += 2;
                                break;
+                       case 'v':
+                       case 'V':
+                               verbose = true;
+                               cmdp++;
+                               break;
                        case 'x':
                        case 'X':
                                flags |= FLAG_NR_AR_ATTACK;
@@ -575,7 +519,7 @@ int CmdHF14ASim(const char *Cmd) {
                if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
                        
                memcpy( data, resp.d.asBytes, sizeof(data) );
-               readerAttack(data, TRUE);
+               readerAttack(data, TRUE, verbose);
        }
        return 0;
 }
@@ -717,14 +661,17 @@ int CmdHF14ACmdRaw(const char *cmd) {
                c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
        }
 
-    if(power)
+    if(power) {
         c.arg[0] |= ISO14A_NO_DISCONNECT;
-
-    if(datalen>0)
+       }
+       
+    if(datalen>0) {
         c.arg[0] |= ISO14A_RAW;
-
-       if(topazmode)
+       }
+       
+       if(topazmode) {
                c.arg[0] |= ISO14A_TOPAZMODE;
+       }
                        
        // Max buffer is USB_CMD_DATA_SIZE
        datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
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