FIX: @pwpiwi 's fixes for darkside / nested attack about the NACK/PRNG bugs.

[proxmark3-svn] / client / cmdhw.c

diff --git a/client/cmdhw.c b/client/cmdhw.c
index 5ec0aa601eb8024676220ca340a1431930fb861b..0152f35443945537609dd3ee35aad0de78b5b339 100644 (file)
--- a/client/cmdhw.c
+++ b/client/cmdhw.c
@@ -23,9 +23,11 @@
 
 static int CmdHelp(const char *Cmd);
 
-static void lookupChipID(uint32_t iChipID)
+static void lookupChipID(uint32_t iChipID, uint32_t mem_used)
 {
        char asBuff[100];
+       uint32_t mem_avail = 0;
+       
        switch(iChipID)
        {
                case 0x270B0A40:
@@ -103,37 +105,43 @@ static void lookupChipID(uint32_t iChipID)
        switch((iChipID&0xF00)>>8)
        {
                case 0:
-                       sprintf(asBuff,"None");
+                       mem_avail = 0;
                        break;
                case 1:
-                       sprintf(asBuff,"8K bytes");
+                       mem_avail = 8;
                        break;
                case 2:
-                       sprintf(asBuff,"16K bytes");
+                       mem_avail = 16;
                        break;
                case 3:
-                       sprintf(asBuff,"32K bytes");
+                       mem_avail = 32;
                        break;
                case 5:
-                       sprintf(asBuff,"64K bytes");
+                       mem_avail = 64;
                        break;
                case 7:
-                       sprintf(asBuff,"128K bytes");
+                       mem_avail = 128;
                        break;
                case 9:
-                       sprintf(asBuff,"256K bytes");
+                       mem_avail = 256;
                        break;
                case 10:
-                       sprintf(asBuff,"512K bytes");
+                       mem_avail = 512;
                        break;
                case 12:
-                       sprintf(asBuff,"1024K bytes");
+                       mem_avail = 1024;
                        break;
                case 14:
-                       sprintf(asBuff,"2048K bytes");
+                       mem_avail = 2048;
                        break;
        }
-       PrintAndLog("Nonvolatile Program Memory Size: %s",asBuff);
+       PrintAndLog("Nonvolatile Program Memory Size: %dK bytes. Used: %d bytes (%2.0f\%). Free: %d bytes (%2.0f\%).", 
+                               mem_avail, 
+                               mem_used, 
+                               mem_avail == 0 ? 0 : (float)mem_used/(mem_avail*1024)*100,
+                               mem_avail*1024 - mem_used,
+                               mem_avail == 0 ? 0 : (float)(mem_avail*1024-mem_used)/(mem_avail*1024)*100
+                               );
        switch((iChipID&0xF000)>>12)
        {
                case 0:
@@ -396,12 +404,23 @@ int CmdTune(const char *Cmd)
 
 int CmdVersion(const char *Cmd)
 {
+
   UsbCommand c = {CMD_VERSION};
-  UsbCommand resp;
+       static UsbCommand resp = {0, {0, 0, 0}};
+       
+       if (resp.arg[0] == 0 && resp.arg[1] == 0) { // no cached information available
   SendCommand(&c);
-  if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
-      lookupChipID(resp.arg[0]);
-  }
+               if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && Cmd != NULL) {
+                       PrintAndLog("Prox/RFID mark3 RFID instrument");
+                       PrintAndLog((char*)resp.d.asBytes);
+                       lookupChipID(resp.arg[0], resp.arg[1]);
+               }
+       } else if (Cmd != NULL) {
+               PrintAndLog("Prox/RFID mark3 RFID instrument");
+               PrintAndLog((char*)resp.d.asBytes);
+               lookupChipID(resp.arg[0], resp.arg[1]);
+       }
+       
   return 0;
 }