]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
First check in.
[proxmark3-svn] / client / cmdhf14a.c
index 39bdcf4020def3eb2730a046450dd94c57d3b231..bd19cee41990aa1056852854450a4f1dd53c5382 100644 (file)
 #include <string.h>
 #include <unistd.h>
 #include "util.h"
-#include "iso14443crc.h"
+#include "../common/iso14443crc.h"
 #include "data.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14a.h"
-#include "common.h"
+#include "../include/common.h"
 #include "cmdmain.h"
-#include "mifare.h"
+#include "../include/mifare.h"
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
@@ -183,27 +183,24 @@ void iso14a_set_timeout(uint32_t timeout) {
 
 int CmdHF14AReader(const char *Cmd)
 {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
        SendCommand(&c);
 
        UsbCommand resp;
        WaitForResponse(CMD_ACK,&resp);
        
-       iso14a_card_select_t card;
-       memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+       iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
 
-       uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
-       
-       if(select_status == 0) {
+       if(resp.arg[0] == 0) {
                PrintAndLog("iso14443a card select failed");
                return 0;
        }
 
-       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
-       PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
-       PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
+       PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
+       PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
+       PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
 
-       switch (card.sak) {
+       switch (card->sak) {
                case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
                case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
                case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
@@ -219,107 +216,67 @@ int CmdHF14AReader(const char *Cmd)
                case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
                default: ;
        }
-
-       
-       // 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
-               c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
-               c.arg[1] = 2;
-               c.arg[2] = 0;
-               memcpy(c.d.asBytes, rats, 2);
-               SendCommand(&c);
-               WaitForResponse(CMD_ACK,&resp);
-               
-           memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
-               card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
-       } 
-
-       // disconnect
-       c.arg[0] = 0;
-       c.arg[1] = 0;
-       c.arg[2] = 0;
-       SendCommand(&c);
-
-       
-       if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+       if(resp.arg[0] == 1) {
                bool ta1 = 0, tb1 = 0, tc1 = 0;
                int pos;
 
-               if (select_status == 2) {
-                       PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
+               PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
+               if (card->ats_len > 0) {
+                       PrintAndLog("       -  TL : length is %d bytes", card->ats[0]);
                }
-               PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
-               PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
-               if (card.ats[0] != card.ats_len - 2) {
-                       PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
-               }
-               
-               if (card.ats[0] > 1) {          // there is a format byte (T0)
-                       ta1 = (card.ats[1] & 0x10) == 0x10;
-                       tb1 = (card.ats[1] & 0x20) == 0x20;
-                       tc1 = (card.ats[1] & 0x40) == 0x40;
-                       int16_t fsci = card.ats[1] & 0x0f;
+               if (card->ats_len > 1) {
+                       ta1 = (card->ats[1] & 0x10) == 0x10;
+                       tb1 = (card->ats[1] & 0x20) == 0x20;
+                       tc1 = (card->ats[1] & 0x40) == 0x40;
                        PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
-                                       "TC1 is%s present, FSCI is %d (FSC = %ld)",
+                                       "TC1 is%s present, FSCI is %d",
                                (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
-                               fsci,
-                               fsci < 5 ? (fsci - 2) * 8 : 
-                                       fsci < 8 ? (fsci - 3) * 32 :
-                                       fsci == 8 ? 256 :
-                                       -1
-                               );
+                               (card->ats[1] & 0x0f));
                }
                pos = 2;
-               if (ta1) {
+               if (ta1 && card->ats_len > pos) {
                        char dr[16], ds[16];
                        dr[0] = ds[0] = '\0';
-                       if (card.ats[pos] & 0x10) strcat(ds, "2, ");
-                       if (card.ats[pos] & 0x20) strcat(ds, "4, ");
-                       if (card.ats[pos] & 0x40) strcat(ds, "8, ");
-                       if (card.ats[pos] & 0x01) strcat(dr, "2, ");
-                       if (card.ats[pos] & 0x02) strcat(dr, "4, ");
-                       if (card.ats[pos] & 0x04) strcat(dr, "8, ");
+                       if (card->ats[pos] & 0x10) strcat(ds, "2, ");
+                       if (card->ats[pos] & 0x20) strcat(ds, "4, ");
+                       if (card->ats[pos] & 0x40) strcat(ds, "8, ");
+                       if (card->ats[pos] & 0x01) strcat(dr, "2, ");
+                       if (card->ats[pos] & 0x02) strcat(dr, "4, ");
+                       if (card->ats[pos] & 0x04) strcat(dr, "8, ");
                        if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
                        if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
                        PrintAndLog("       - TA1 : different divisors are%s supported, "
                                        "DR: [%s], DS: [%s]",
-                                       (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
+                                       (card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
                        pos++;
                }
-               if (tb1) {
-                       uint32_t sfgi = card.ats[pos] & 0x0F;
-                       uint32_t fwi = card.ats[pos] >> 4;
-                       PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
-                                       (sfgi),
-                                       sfgi ? "" : "(not needed) ",
-                                       sfgi ? (1 << 12) << sfgi : 0,
-                                       fwi,
-                                       (1 << 12) << fwi
-                                       );
+               if (tb1 && card->ats_len > pos) {
+                       PrintAndLog("       - TB1 : SFGI = %d, FWI = %d",
+                                       (card->ats[pos] & 0x08),
+                                       (card->ats[pos] & 0x80) >> 4);
                        pos++;
                }
-               if (tc1) {
+               if (tc1 && card->ats_len > pos) {
                        PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
-                                       (card.ats[pos] & 0x01) ? "" : " NOT",
-                                       (card.ats[pos] & 0x02) ? "" : " NOT");
+                                       (card->ats[pos] & 0x01) ? "" : " NOT",
+                                       (card->ats[pos] & 0x02) ? "" : " NOT");
                        pos++;
                }
-               if (card.ats[0] > pos) {
+               if (card->ats_len > pos) {
                        char *tip = "";
-                       if (card.ats[0] - pos >= 7) {
-                               if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
+                       if (card->ats_len - pos > 7) {
+                               if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
                                        tip = "-> MIFARE Plus X 2K or 4K";
-                               } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
+                               } else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
                                        tip = "-> MIFARE Plus S 2K or 4K";
                                }
                        } 
-                       PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
-                       if (card.ats[pos] == 0xC1) {
+                       PrintAndLog("       -  HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
+                       if (card->ats[pos] == 0xC1) {
                                PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
                                PrintAndLog("                  %02x -> Length is %d bytes",
-                                               card.ats[pos + 1], card.ats[pos + 1]);
-                               switch (card.ats[pos + 2] & 0xf0) {
+                                               card->ats[pos + 1], card->ats[pos + 1]);
+                               switch (card->ats[pos + 2] & 0xf0) {
                                        case 0x10:
                                                PrintAndLog("                     1x -> MIFARE DESFire");
                                                break;
@@ -327,7 +284,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     2x -> MIFARE Plus");
                                                break;
                                }
-                               switch (card.ats[pos + 2] & 0x0f) {
+                               switch (card->ats[pos + 2] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
@@ -344,7 +301,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     x0 -> 8 kByte");
                                                break;
                                }
-                               switch (card.ats[pos + 3] & 0xf0) {
+                               switch (card->ats[pos + 3] & 0xf0) {
                                        case 0x00:
                                                PrintAndLog("                        0x -> Engineering sample");
                                                break;
@@ -352,7 +309,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                        2x -> Released");
                                                break;
                                }
-                               switch (card.ats[pos + 3] & 0x0f) {
+                               switch (card->ats[pos + 3] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                        x0 -> Generation 1");
                                                break;
@@ -363,7 +320,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                        x2 -> Generation 3");
                                                break;
                                }
-                               switch (card.ats[pos + 4] & 0x0f) {
+                               switch (card->ats[pos + 4] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                           x0 -> Only VCSL supported");
                                                break;
@@ -377,10 +334,10 @@ int CmdHF14AReader(const char *Cmd)
                        }
                }
        } else {
-               PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
+               PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
        }
 
-       return select_status;
+       return resp.arg[0];
 }
 
 // Collect ISO14443 Type A UIDs
@@ -402,17 +359,20 @@ int CmdHF14ACUIDs(const char *Cmd)
                UsbCommand resp;
                WaitForResponse(CMD_ACK,&resp);
 
-               iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
+               uint8_t *uid  = resp.d.asBytes;
+               iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
 
                // check if command failed
                if (resp.arg[0] == 0) {
                        PrintAndLog("Card select failed.");
                } else {
-                       char uid_string[20];
-                       for (uint16_t i = 0; i < card->uidlen; i++) {
-                               sprintf(&uid_string[2*i], "%02X", card->uid[i]);
+                       // check if UID is 4 bytes
+                       if ((card->atqa[1] & 0xC0) == 0) {
+                               PrintAndLog("%02X%02X%02X%02X",
+                                           *uid, *(uid + 1), *(uid + 2), *(uid + 3));
+                       } else {
+                               PrintAndLog("UID longer than 4 bytes");
                        }
-                       PrintAndLog("%s", uid_string);
                }
        }
        PrintAndLog("End: %u", time(NULL));
@@ -466,10 +426,6 @@ int CmdHF14ASim(const char *Cmd)
                // At lease save the mandatory first part of the UID
                c.arg[0] = long_uid & 0xffffffff;
 
-       
-       // 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]);
        }
@@ -537,19 +493,22 @@ int CmdHF14ACmdRaw(const char *cmd) {
     uint8_t active=0;
     uint8_t active_select=0;
     uint16_t numbits=0;
+       uint16_t timeout=0;
+       uint8_t bTimeout=0;
     char buf[5]="";
     int i=0;
-    uint8_t data[100];
+    uint8_t data[USB_CMD_DATA_SIZE];
     unsigned int datalen=0, temp;
 
     if (strlen(cmd)<2) {
-        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
+        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <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");
         return 0;
     }
 
@@ -582,6 +541,14 @@ int CmdHF14ACmdRaw(const char *cmd) {
                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
                     i-=2;
                     break;
+                               case 't':
+                                       bTimeout=1;
+                                       sscanf(cmd+i+2,"%d",&temp);
+                                       timeout = temp & 0xFFFF;
+                                       i+=3;
+                                       while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+                                       i+=2;
+                                       break;
                 default:
                     PrintAndLog("Invalid option");
                     return 0;
@@ -599,15 +566,19 @@ int CmdHF14ACmdRaw(const char *cmd) {
             if (strlen(buf)>=2) {
                 sscanf(buf,"%x",&temp);
                 data[datalen]=(uint8_t)(temp & 0xff);
-                datalen++;
                 *buf=0;
+                               if (++datalen>sizeof(data)){
+                                       if (crc)
+                                               PrintAndLog("Buffer is full, we can't add CRC to your data");
+                                       break;
+                               }
             }
             continue;
         }
         PrintAndLog("Invalid char on input");
         return 0;
     }
-    if(crc && datalen>0)
+    if(crc && datalen>0 && datalen<sizeof(data)-2)
     {
         uint8_t first, second;
         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
@@ -621,13 +592,22 @@ int CmdHF14ACmdRaw(const char *cmd) {
         if(active)
             c.arg[0] |= ISO14A_NO_SELECT;
     }
+       if(bTimeout){
+           #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
+        c.arg[0] |= ISO14A_SET_TIMEOUT;
+        c.arg[2] = timeout * 105; // each bit is about 9.4 us
+        if(c.arg[2]>MAX_TIMEOUT) {
+            c.arg[2] = MAX_TIMEOUT;
+            PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
+        }
+       }
     if(power)
         c.arg[0] |= ISO14A_NO_DISCONNECT;
     if(datalen>0)
         c.arg[0] |= ISO14A_RAW;
 
-    c.arg[1] = datalen;
-    c.arg[2] = numbits;
+       // Max buffer is USB_CMD_DATA_SIZE
+    c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
     memcpy(c.d.asBytes,data,datalen);
 
     SendCommand(&c);
Impressum, Datenschutz