]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14b.c
Fix #1 for pm3 iclass simulation, remove erroneous extra bit after transmission
[proxmark3-svn] / client / cmdhf14b.c
index 79c1b8ed6f689c4e22f2bd46444a80cfd6535ae7..cf8658750c8eb48b76705726feecf202156081f7 100644 (file)
 #include <string.h>
 #include <stdint.h>
 #include "iso14443crc.h"
 #include <string.h>
 #include <stdint.h>
 #include "iso14443crc.h"
-#include "proxusb.h"
+#include "proxmark3.h"
 #include "data.h"
 #include "graph.h"
 #include "data.h"
 #include "graph.h"
+#include "util.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14b.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14b.h"
+#include "cmdmain.h"
 
 static int CmdHelp(const char *Cmd);
 
 
 static int CmdHelp(const char *Cmd);
 
@@ -143,10 +145,25 @@ demodError:
 
 int CmdHF14BList(const char *Cmd)
 {
 
 int CmdHF14BList(const char *Cmd)
 {
-  uint8_t got[960];
-  GetFromBigBuf(got, sizeof(got));
-
-  PrintAndLog("recorded activity:");
+       uint8_t *got = malloc(USB_CMD_DATA_SIZE);
+
+       // Query for the actual size of the trace
+       UsbCommand response;
+       GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0);
+       WaitForResponse(CMD_ACK, &response);
+       uint16_t traceLen = response.arg[2];
+       if (traceLen > USB_CMD_DATA_SIZE) {
+               uint8_t *p = realloc(got, traceLen);
+               if (p == NULL) {
+                       PrintAndLog("Cannot allocate memory for trace");
+                       free(got);
+                       return 2;
+               }
+               got = p;
+               GetFromBigBuf(got, traceLen, 0);
+               WaitForResponse(CMD_ACK,NULL);
+       }
+  PrintAndLog("recorded activity: (TraceLen = %d bytes)", traceLen);
   PrintAndLog(" time  :rssi: who bytes");
   PrintAndLog("---------+----+----+-----------");
 
   PrintAndLog(" time  :rssi: who bytes");
   PrintAndLog("---------+----+----+-----------");
 
@@ -154,9 +171,8 @@ int CmdHF14BList(const char *Cmd)
   int prev = -1;
 
   for(;;) {
   int prev = -1;
 
   for(;;) {
-    if(i >= 900) {
-      break;
-    }
+    
+       if(i >= traceLen) { break; }
 
     bool isResponse;
     int timestamp = *((uint32_t *)(got+i));
 
     bool isResponse;
     int timestamp = *((uint32_t *)(got+i));
@@ -173,12 +189,15 @@ int CmdHF14BList(const char *Cmd)
     if(len > 100) {
       break;
     }
     if(len > 100) {
       break;
     }
-    if(i + len >= 900) {
+    if(i + len >= traceLen) {
       break;
     }
 
     uint8_t *frame = (got+i+9);
 
       break;
     }
 
     uint8_t *frame = (got+i+9);
 
+       // Break and stick with current result if buffer was not completely full
+       if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break; 
+       
     char line[1000] = "";
     int j;
     for(j = 0; j < len; j++) {
     char line[1000] = "";
     int j;
     for(j = 0; j < len; j++) {
@@ -213,6 +232,7 @@ int CmdHF14BList(const char *Cmd)
     prev = timestamp;
     i += (len + 9);
   }
     prev = timestamp;
     i += (len + 9);
   }
+  free(got);
   return 0;
 }
 
   return 0;
 }
 
@@ -266,6 +286,189 @@ int CmdSrix4kRead(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 
+int CmdHF14BCmdRaw (const char *cmd) {
+    UsbCommand resp;
+    uint8_t *recv;
+    UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv?
+    uint8_t reply=1;
+    uint8_t crc=0;
+    uint8_t power=0;
+    char buf[5]="";
+    int i=0;
+    uint8_t data[100] = {0x00};
+    unsigned int datalen=0, temp;
+    char *hexout;
+    
+    if (strlen(cmd)<3) {
+        PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
+        PrintAndLog("       -r    do not read response");
+        PrintAndLog("       -c    calculate and append CRC");
+        PrintAndLog("       -p    leave the field on after receive");
+        return 0;    
+    }
+
+    // strip
+    while (*cmd==' ' || *cmd=='\t') cmd++;
+    
+    while (cmd[i]!='\0') {
+        if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+        if (cmd[i]=='-') {
+            switch (cmd[i+1]) {
+                case 'r': 
+                case 'R': 
+                    reply=0;
+                    break;
+                case 'c':
+                case 'C':                
+                    crc=1;
+                    break;
+                case 'p': 
+                case 'P': 
+                    power=1;
+                    break;
+                default:
+                    PrintAndLog("Invalid option");
+                    return 0;
+            }
+            i+=2;
+            continue;
+        }
+        if ((cmd[i]>='0' && cmd[i]<='9') ||
+            (cmd[i]>='a' && cmd[i]<='f') ||
+            (cmd[i]>='A' && cmd[i]<='F') ) {
+            buf[strlen(buf)+1]=0;
+            buf[strlen(buf)]=cmd[i];
+            i++;
+            
+            if (strlen(buf)>=2) {
+                sscanf(buf,"%x",&temp);
+                data[datalen]=(uint8_t)(temp & 0xff);
+                datalen++;
+                *buf=0;
+            }
+            continue;
+        }
+        PrintAndLog("Invalid char on input");
+        return 1;
+    }
+    if (datalen == 0)
+    {
+      PrintAndLog("Missing data input");
+      return 0;
+    }
+    if(crc)
+    {
+        uint8_t first, second;
+        ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+        data[datalen++] = first;
+        data[datalen++] = second;
+    }
+    
+    c.arg[0] = datalen;
+    c.arg[1] = reply;
+    c.arg[2] = power;
+    memcpy(c.d.asBytes,data,datalen);
+    
+    SendCommand(&c);
+    
+    if (reply) {
+        if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+            recv = resp.d.asBytes;
+            PrintAndLog("received %i octets",resp.arg[0]);
+            if(!resp.arg[0])
+                return 0;
+            hexout = (char *)malloc(resp.arg[0] * 3 + 1);
+            if (hexout != NULL) {
+                uint8_t first, second;
+                for (int i = 0; i < resp.arg[0]; i++) { // data in hex
+                    sprintf(&hexout[i * 3], "%02X ", recv[i]);
+                }
+                PrintAndLog("%s", hexout);
+                free(hexout);
+                ComputeCrc14443(CRC_14443_B, recv, resp.arg[0]-2, &first, &second);
+                if(recv[resp.arg[0]-2]==first && recv[resp.arg[0]-1]==second) {
+                    PrintAndLog("CRC OK");
+                } else {
+                    PrintAndLog("CRC failed");
+                }
+            } else {
+                PrintAndLog("malloc failed your client has low memory?");
+            }
+        } else {
+            PrintAndLog("timeout while waiting for reply.");
+        }
+    } // if reply
+    return 0;
+}
+
+int CmdHF14BWrite( const char *Cmd){
+
+/*
+ * For SRIX4K  blocks 00 - 7F
+ * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
+ *
+ * For SR512  blocks 00 - 0F
+ * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
+ * 
+ * Special block FF =  otp_lock_reg block.
+ * Data len 4 bytes-
+ */
+       char cmdp = param_getchar(Cmd, 0);
+       uint8_t blockno = -1;
+       uint8_t data[4] = {0x00};
+       bool isSrix4k = true;
+       char str[20];   
+
+       if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  hf 14b write <1|2> <BLOCK> <DATA>");
+               PrintAndLog("    [1 = SRIX4K]");
+               PrintAndLog("    [2 = SRI512]");
+               PrintAndLog("    [BLOCK number depends on tag, special block == FF]");
+               PrintAndLog("     sample: hf 14b write 1 7F 11223344");
+               PrintAndLog("           : hf 14b write 1 FF 11223344");
+               PrintAndLog("           : hf 14b write 2 15 11223344");
+               PrintAndLog("           : hf 14b write 2 FF 11223344");
+               return 0;
+       }
+
+       if ( cmdp == '2' )
+               isSrix4k = false;
+       
+       //blockno = param_get8(Cmd, 1);
+       
+       if ( param_gethex(Cmd,1, &blockno, 2) ) {
+               PrintAndLog("Block number must include 2 HEX symbols");
+               return 0;
+       }
+       
+       if ( isSrix4k ){
+               if ( blockno > 0x7f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       } else {
+               if ( blockno > 0x0f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       }
+       
+       if (param_gethex(Cmd, 2, data, 8)) {
+               PrintAndLog("Data must include 8 HEX symbols");
+               return 0;
+       }
+       if ( blockno == 0xff)
+               PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno,  sprint_hex(data,4) );
+       else
+               PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno,  sprint_hex(data,4) );
+       sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+
+       CmdHF14BCmdRaw(str);
+       return 0;
+}
+
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,        1, "This help"},
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,        1, "This help"},
@@ -275,8 +478,10 @@ static command_t CommandTable[] =
   {"sim",         CmdHF14Sim,     0, "Fake ISO 14443 tag"},
   {"simlisten",   CmdHFSimlisten, 0, "Get HF samples as fake tag"},
   {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443"},
   {"sim",         CmdHF14Sim,     0, "Fake ISO 14443 tag"},
   {"simlisten",   CmdHFSimlisten, 0, "Get HF samples as fake tag"},
   {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443"},
-  {"sri512read",  CmdSri512Read,  0, "<int> -- Read contents of a SRI512 tag"},
-  {"srix4kread",  CmdSrix4kRead,  0, "<int> -- Read contents of a SRIX4K tag"},
+  {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},
+  {"srix4kread",  CmdSrix4kRead,  0, "Read contents of a SRIX4K tag"},
+  {"raw",         CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
+  {"write",       CmdHF14BWrite,  0, "Write data to a SRI512 | SRIX4K tag"},
   {NULL, NULL, 0, NULL}
 };
 
   {NULL, NULL, 0, NULL}
 };
 
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