X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3fe4ff4f0329d6bde9585b77966d42dfc3f612f5..55eaed8f2ad26b9db249e2259c13444c38906795:/client/cmdhficlass.c?ds=sidebyside

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index b097eea8..03b39021 100644
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -271,87 +271,111 @@ int CmdHFiClassReader_Dump(const char *Cmd)
   uint8_t key_sel[8] = {0};
   uint8_t key_sel_p[8] = { 0 };
 
-  //HACK -- Below is for testing without access to a tag
-  uint8_t fake_dummy_test = false;
-  if(fake_dummy_test)
-  {
-    uint8_t xdata[16] = {0x01,0x02,0x03,0x04,0xF7,0xFF,0x12,0xE0, //CSN from http://www.proxmark.org/forum/viewtopic.php?pid=11230#p11230
-                        0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; // Just a random CC. Would be good to add a real testcase here
-    memcpy(resp.d.asBytes,xdata, 16);
-    resp.arg[0] = 2;    
-  }
-  
-  //End hack
-
-
   UsbCommand c = {CMD_READER_ICLASS, {0}};
   c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_GET_CC;
-  if(!fake_dummy_test)   
-    SendCommand(&c);
+  SendCommand(&c);
   
 
 
-  if (fake_dummy_test || WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
-        uint8_t isOK    = resp.arg[0] & 0xff;
-        uint8_t * data  = resp.d.asBytes;
+  if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
+  {
+	  PrintAndLog("Command execute timeout");
+	  return 0;
+  }
 
-        memcpy(CSN,data,8);
-        memcpy(CCNR,data+8,8);
+	uint8_t isOK    = resp.arg[0] & 0xff;
+	uint8_t * data  = resp.d.asBytes;
 
-        PrintAndLog("isOk:%02x", isOK);
+	memcpy(CSN,data,8);
+	memcpy(CCNR,data+8,8);
 
-        if(isOK > 0)
-        {
-            PrintAndLog("CSN: %s",sprint_hex(CSN,8));
-        }
-        if(isOK > 1)
-        {
-            if(elite)
-            {
-                //Get the key index (hash1)
-                uint8_t key_index[8] = {0};
-
-                hash1(CSN, key_index);
-                printvar("hash1", key_index,8);
-                for(i = 0; i < 8 ; i++)
-                    key_sel[i] = keytable[key_index[i]] & 0xFF;
-                PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
-                printvar("k_sel", key_sel,8);
-                //Permute from iclass format to standard format
-                permutekey_rev(key_sel,key_sel_p);
-                used_key = key_sel_p;
-            }else{
-                //Perhaps this should also be permuted to std format?
-                // Something like the code below? I have no std system
-                // to test this with /Martin
+	PrintAndLog("isOk:%02x", isOK);
 
-                //uint8_t key_sel_p[8] = { 0 };
-                //permutekey_rev(KEY,key_sel_p);
-                //used_key = key_sel_p;
+	if(isOK > 0)
+	{
+		PrintAndLog("CSN: %s",sprint_hex(CSN,8));
+	}
+	if(isOK <= 1){
+		PrintAndLog("Failed to obtain CC! Aborting");
+		return 0;
+	}
+	//Status 2 or higher
 
-                used_key = KEY;
+	if(elite)
+	{
+		//Get the key index (hash1)
+		uint8_t key_index[8] = {0};
+
+		hash1(CSN, key_index);
+		printvar("hash1", key_index,8);
+		for(i = 0; i < 8 ; i++)
+			key_sel[i] = keytable[key_index[i]] & 0xFF;
+		PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
+		printvar("k_sel", key_sel,8);
+		//Permute from iclass format to standard format
+		permutekey_rev(key_sel,key_sel_p);
+		used_key = key_sel_p;
+	}else{
+		used_key = KEY;
+	}
 
-            }
+	PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
+	printvar("Used key",used_key,8);
+	diversifyKey(CSN,used_key, div_key);
+	PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
+	printvar("Div key", div_key, 8);
+	printvar("CC_NR:",CCNR,12);
+	doMAC(CCNR,12,div_key, MAC);
+	printvar("MAC", MAC, 4);
+
+	uint8_t iclass_data[32000] = {0};
+	uint8_t iclass_datalen = 0;
+	uint8_t iclass_blocksFailed = 0;//Set to 1 if dump was incomplete
+
+	UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
+	memcpy(d.d.asBytes, MAC, 4);
+	clearCommandBuffer();
+	SendCommand(&d);
+	PrintAndLog("Waiting for device to dump data. Press button on device and key on keyboard to abort...");
+	while (true) {
+		printf(".");
+		if (ukbhit()) {
+			getchar();
+			printf("\naborted via keyboard!\n");
+			break;
+		}
+		if(WaitForResponseTimeout(CMD_ACK,&resp,4500))
+		{
+			uint64_t dataLength = resp.arg[0];
+			iclass_blocksFailed |= resp.arg[1];
+
+			if(dataLength > 0)
+			{
+				memcpy(iclass_data, resp.d.asBytes,dataLength);
+				iclass_datalen += dataLength;
+			}else
+			{//Last transfer, datalength 0 means the dump is finished
+				PrintAndLog("Dumped %d bytes of data from tag. ", iclass_datalen);
+				if(iclass_blocksFailed)
+				{
+					PrintAndLog("OBS! Some blocks failed to be dumped correctly!");
+				}
+				if(iclass_datalen > 0)
+				{
+					char filename[100] = {0};
+					//create a preferred filename
+					snprintf(filename, 100,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
+							 CSN[0],CSN[1],CSN[2],CSN[3],
+							 CSN[4],CSN[5],CSN[6],CSN[7]);
+					saveFile(filename,"bin",iclass_data, iclass_datalen );
+
+				}
+				//Aaaand we're finished
+				return 0;
+			}
+		}
+	}
 
-            PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
-            printvar("Used key",used_key,8);
-            diversifyKey(CSN,used_key, div_key);
-            PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
-            printvar("Div key", div_key, 8);
-            printvar("CC_NR:",CCNR,12);
-            doMAC(CCNR,12,div_key, MAC);
-            printvar("MAC", MAC, 4);
-
-            UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
-            memcpy(d.d.asBytes, MAC, 4);
-            if(!fake_dummy_test) SendCommand(&d);
-
-        }else{
-            PrintAndLog("Failed to obtain CC! Aborting");
-        }
-    } else {
-        PrintAndLog("Command execute timeout");
-    }
 
   return 0;
 }