]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
@iceman1001 s coverity fixes
[proxmark3-svn] / client / cmdhf14a.c
index 214ff1eccbffee92dddc397ac792600aaa42021b..330fbec0dd781825a9ba6b30f7de0de1bfd20265 100644 (file)
@@ -23,6 +23,7 @@
 #include "common.h"
 #include "cmdmain.h"
 #include "mifare.h"
+#include "cmdhfmfu.h"
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
@@ -143,7 +144,7 @@ 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) {
-               PrintAndLog("iso14443a card select failed");
+               if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
                // disconnect
                c.arg[0] = 0;
                c.arg[1] = 0;
@@ -163,19 +164,68 @@ int CmdHF14AReader(const char *Cmd)
                return 0;
        }
 
-
-       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
        PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
        PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 
-       // 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]));
-       }
-
        switch (card.sak) {
-               case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
+               case 0x00: 
+
+                       //***************************************test****************
+                       // disconnect
+                       c.arg[0] = 0;
+                       c.arg[1] = 0;
+                       c.arg[2] = 0;
+                       SendCommand(&c);
+                       
+                       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;
+
+                       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) {
+                               //PrintAndLog("iso14443a card select failed");
+                               // disconnect
+                               c.arg[0] = 0;
+                               c.arg[1] = 0;
+                               c.arg[2] = 0;
+                               SendCommand(&c);
+                               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;
                case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
@@ -192,6 +242,12 @@ int CmdHF14AReader(const char *Cmd)
                default: ;
        }
 
+       // 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]));
+       }
+
        // try to request ATS even if tag claims not to support it
        if (select_status == 2) {
                uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
@@ -202,7 +258,7 @@ int CmdHF14AReader(const char *Cmd)
                SendCommand(&c);
                WaitForResponse(CMD_ACK,&resp);
                
-           memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
+           memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
                card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
        } 
 
@@ -402,86 +458,110 @@ int CmdHF14ACUIDs(const char *Cmd)
        return 1;
 }
 
+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 = NTAG 215 from emu mem");
+       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;
+}
 // ## simulate iso14443a tag
 // ## 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;
-       }
-       
-       // Store the tag type
-       c.arg[0] = tagtype;
-       
-       // 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;
+       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;
        }
-/*
-               // At lease save the mandatory first part of the UID
-               c.arg[0] = long_uid & 0xffffffff;
 
-       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]);
+       //Validations
+       if (errors) return usage_hf_14a_sim();
+
+       PrintAndLog("Press pm3-button to abort simulation");
+
+       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
+
+       num_to_bytes(uid, 7, c.d.asBytes);
+       clearCommandBuffer();
+       SendCommand(&c);
+
+       //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 ){
+                               // attempt to get key:
+                               // TODO:
+
+                               //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) {
@@ -649,7 +729,8 @@ int CmdHF14ACmdRaw(const char *cmd) {
        if(topazmode)
                c.arg[0] |= ISO14A_TOPAZMODE;
                
-       // Max buffer is USB_CMD_DATA_SIZE
+               // Max buffer is USB_CMD_DATA_SIZE
+               datalen =  (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
     c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
     memcpy(c.d.asBytes,data,datalen);
 
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