From: marshmellow42 <marshmellowrf@gmail.com>
Date: Mon, 27 Mar 2017 22:04:20 +0000 (-0400)
Subject: split lf paradox/nexwatch into own files
X-Git-Tag: v3.0.0~27^2~1
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/5bce72d5e3b5921ac7d8f08eeaa406fd2a53d4b0?ds=sidebyside
split lf paradox/nexwatch into own files
see changelog.md for cli changes!
---
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7994c987..19c6f6c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
## [unreleased][unreleased]
### Added
+- Added lf nexwatch read - reads a nexwatch tag from the antenna
+- Added lf paradox read - reads a paradox tag from the antenna
- Added lf fdx sim (iceman)
- Added lf fdx clone - clones an fdx-b animal tag to t55x7 or q5 (iceman)
- Added lf fdx read - reads a fdx-b tag from the antenna (iceman)
@@ -50,6 +52,8 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
- Added option c to 'hf list' (mark CRC bytes) (piwi)
### Changed
+- `data psknexwatchdemod` has been moved to `lf nexwatch demod` (reads from graphbuffer)
+- `data fskparadoxdemod` has been moved to `lf paradox demod` (reads from graphbuffer)
- `data fdxdemod` has been moved to `lf fdx demod` (reads from graphbuffer)
- `data askgproxiidemod has been moved to `lf gproxii demod` (reads from graphbuffer)
- `lf indalaclone` has been moved to `lf indala clone`
diff --git a/client/Makefile b/client/Makefile
index d5bfb086..c8b7a213 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -99,6 +99,8 @@ CMDSRCS = crapto1/crapto1.c\
cmdlfhitag.c \
cmdlfio.c \
cmdlfindala.c \
+ cmdlfnexwatch.c \
+ cmdlfparadox.c \
cmdlfpcf7931.c\
cmdlfpresco.c\
cmdlfpyramid.c\
diff --git a/client/cmddata.c b/client/cmddata.c
index 2444fb32..ef1229c2 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -801,55 +801,6 @@ int CmdFSKrawdemod(const char *Cmd)
return FSKrawDemod(Cmd, true);
}
-//by marshmellow
-//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
-//print full Paradox Prox ID and some bit format details if found
-int CmdFSKdemodParadox(const char *Cmd)
-{
- //raw fsk demod no manchester decoding no start bit finding just get binary from wave
- uint32_t hi2=0, hi=0, lo=0;
-
- uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- size_t BitLen = getFromGraphBuf(BitStream);
- if (BitLen==0) return 0;
- //get binary from fsk wave
- int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
- if (idx<0){
- if (g_debugMode){
- if (idx==-1){
- PrintAndLog("DEBUG: Just Noise Detected");
- } else if (idx == -2) {
- PrintAndLog("DEBUG: Error demoding fsk");
- } else if (idx == -3) {
- PrintAndLog("DEBUG: Preamble not found");
- } else if (idx == -4) {
- PrintAndLog("DEBUG: Error in Manchester data");
- } else {
- PrintAndLog("DEBUG: Error demoding fsk %d", idx);
- }
- }
- return 0;
- }
- if (hi2==0 && hi==0 && lo==0){
- if (g_debugMode) PrintAndLog("DEBUG: Error - no value found");
- return 0;
- }
- uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
- uint32_t cardnum = (lo>>10)&0xFFFF;
- uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
- uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
- uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
-
- PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
- hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo);
- setDemodBuf(BitStream,BitLen,idx);
- if (g_debugMode){
- PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen);
- printDemodBuff();
- }
- return 1;
-}
-
//by marshmellow
//attempt to psk1 demod graph buffer
int PSKDemod(const char *Cmd, bool verbose)
@@ -898,45 +849,6 @@ int PSKDemod(const char *Cmd, bool verbose)
return 1;
}
-int CmdPSKNexWatch(const char *Cmd)
-{
- if (!PSKDemod("", false)) return 0;
- uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
- size_t startIdx = 0, size = DemodBufferLen;
- bool invert = false;
- if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){
- // if didn't find preamble try again inverting
- if (!PSKDemod("1", false)) return 0;
- size = DemodBufferLen;
- if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0;
- invert = true;
- }
- if (size != 128) return 0;
- setDemodBuf(DemodBuffer, size, startIdx+4);
- startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
- //get ID
- uint32_t ID = 0;
- for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){
- for (uint8_t idx=0; idx<8; idx++){
- ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)];
- }
- }
- //parity check (TBD)
-
- //checksum check (TBD)
-
- //output
- PrintAndLog("NexWatch ID: %d", ID);
- if (invert){
- PrintAndLog("Had to Invert - probably NexKey");
- for (uint8_t idx=0; idx<size; idx++)
- DemodBuffer[idx] ^= 1;
- }
-
- CmdPrintDemodBuff("x");
- return 1;
-}
-
// by marshmellow
// takes 3 arguments - clock, invert, maxErr as integers
// attempts to demodulate nrz only
@@ -1626,7 +1538,6 @@ static command_t CommandTable[] =
{"dec", CmdDec, 1, "Decimate samples"},
{"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
//{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
- {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
{"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
{"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
{"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
@@ -1641,7 +1552,6 @@ static command_t CommandTable[] =
{"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
{"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
- {"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
{"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
diff --git a/client/cmddata.h b/client/cmddata.h
index 86d905b1..60233012 100644
--- a/client/cmddata.h
+++ b/client/cmddata.h
@@ -32,8 +32,6 @@ int CmdBitsamples(const char *Cmd);
int CmdBuffClear(const char *Cmd);
int CmdDec(const char *Cmd);
int CmdDetectClockRate(const char *Cmd);
-int CmdFDXBdemodBI(const char *Cmd);
-int CmdFSKdemodParadox(const char *Cmd);
int CmdFSKrawdemod(const char *Cmd);
int CmdPSK1rawDemod(const char *Cmd);
int CmdPSK2rawDemod(const char *Cmd);
diff --git a/client/cmdlf.c b/client/cmdlf.c
index d8e78be1..341f1fe4 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -38,6 +38,8 @@
#include "cmdlfindala.h" // for indala menu
#include "cmdlfgproxii.h"// for gproxii menu
#include "cmdlffdx.h" // for fdx-b menu
+#include "cmdlfparadox.h"// for paradox menu
+#include "cmdlfnexwatch.h"//for nexwatch menu
bool g_lf_threshold_set = false;
static int CmdHelp(const char *Cmd);
@@ -1051,6 +1053,8 @@ static command_t CommandTable[] =
{"hitag", CmdLFHitag, 1, "{ Hitag CHIPs... }"},
{"io", CmdLFIO, 1, "{ ioProx RFIDs... }"},
{"indala", CmdLFINDALA, 1, "{ Indala RFIDs... }"},
+ {"nexwatch", CmdLFNexWatch, 1, "{ NexWatch RFIDs... }"},
+ {"paradox", CmdLFParadox, 1, "{ Paradox RFIDs... }"},
{"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
{"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 CHIPs... }"},
{"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
diff --git a/client/cmdlfnexwatch.c b/client/cmdlfnexwatch.c
new file mode 100644
index 00000000..030c61c7
--- /dev/null
+++ b/client/cmdlfnexwatch.c
@@ -0,0 +1,91 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Honeywell NexWatch tag commands
+// PSK1 RF/16, RF/2, 128 bits long
+//-----------------------------------------------------------------------------
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include "cmdlfnexwatch.h"
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdlf.h"
+#include "lfdemod.h"
+
+static int CmdHelp(const char *Cmd);
+
+int CmdPSKNexWatch(const char *Cmd)
+{
+ if (!PSKDemod("", false)) return 0;
+ uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+ size_t startIdx = 0, size = DemodBufferLen;
+ bool invert = false;
+ if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){
+ // if didn't find preamble try again inverting
+ if (!PSKDemod("1", false)) return 0;
+ size = DemodBufferLen;
+ if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0;
+ invert = true;
+ }
+ if (size != 128) return 0;
+ setDemodBuf(DemodBuffer, size, startIdx+4);
+ startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
+ //get ID
+ uint32_t ID = 0;
+ for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){
+ for (uint8_t idx=0; idx<8; idx++){
+ ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)];
+ }
+ }
+ //parity check (TBD)
+
+ //checksum check (TBD)
+
+ //output
+ PrintAndLog("NexWatch ID: %d", ID);
+ if (invert){
+ PrintAndLog("Had to Invert - probably NexKey");
+ for (uint8_t idx=0; idx<size; idx++)
+ DemodBuffer[idx] ^= 1;
+ }
+
+ CmdPrintDemodBuff("x");
+ return 1;
+}
+
+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdNexWatchRead(const char *Cmd) {
+ // read lf silently
+ CmdLFRead("s");
+ // get samples silently
+ getSamples("10000",false);
+ // demod and output viking ID
+ return CmdPSKNexWatch(Cmd);
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"demod", CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) from the GraphBuffer"},
+ {"read", CmdNexWatchRead, 0, "Attempt to Read and Extract tag data from the antenna"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdLFNexWatch(const char *Cmd) {
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+ CmdsHelp(CommandTable);
+ return 0;
+}
diff --git a/client/cmdlfnexwatch.h b/client/cmdlfnexwatch.h
new file mode 100644
index 00000000..9d259352
--- /dev/null
+++ b/client/cmdlfnexwatch.h
@@ -0,0 +1,14 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Honeywell NexWatch tag commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFNEXWATCH_H__
+#define CMDLFNEXWATCH_H__
+extern int CmdLFNexWatch(const char *Cmd);
+extern int CmdFSKdemodParadox(const char *Cmd);
+extern int CmdParadoxRead(const char *Cmd);
+#endif
diff --git a/client/cmdlfparadox.c b/client/cmdlfparadox.c
new file mode 100644
index 00000000..5225820b
--- /dev/null
+++ b/client/cmdlfparadox.c
@@ -0,0 +1,97 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Paradox tag commands
+//-----------------------------------------------------------------------------
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "cmdlfparadox.h"
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdlf.h"
+#include "lfdemod.h"
+static int CmdHelp(const char *Cmd);
+
+//by marshmellow
+//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
+//print full Paradox Prox ID and some bit format details if found
+int CmdFSKdemodParadox(const char *Cmd)
+{
+ //raw fsk demod no manchester decoding no start bit finding just get binary from wave
+ uint32_t hi2=0, hi=0, lo=0;
+
+ uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+ size_t BitLen = getFromGraphBuf(BitStream);
+ if (BitLen==0) return 0;
+ //get binary from fsk wave
+ int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+ if (idx<0){
+ if (g_debugMode){
+ if (idx==-1){
+ PrintAndLog("DEBUG: Just Noise Detected");
+ } else if (idx == -2) {
+ PrintAndLog("DEBUG: Error demoding fsk");
+ } else if (idx == -3) {
+ PrintAndLog("DEBUG: Preamble not found");
+ } else if (idx == -4) {
+ PrintAndLog("DEBUG: Error in Manchester data");
+ } else {
+ PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+ }
+ }
+ return 0;
+ }
+ if (hi2==0 && hi==0 && lo==0){
+ if (g_debugMode) PrintAndLog("DEBUG: Error - no value found");
+ return 0;
+ }
+ uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
+ uint32_t cardnum = (lo>>10)&0xFFFF;
+ uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
+ uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
+ uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
+
+ PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
+ hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo);
+ setDemodBuf(BitStream,BitLen,idx);
+ if (g_debugMode){
+ PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen);
+ printDemodBuff();
+ }
+ return 1;
+}
+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdParadoxRead(const char *Cmd) {
+ // read lf silently
+ CmdLFRead("s");
+ // get samples silently
+ getSamples("10000",false);
+ // demod and output viking ID
+ return CmdFSKdemodParadox(Cmd);
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"demod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from the GraphBuffer"},
+ {"read", CmdParadoxRead, 0, "Attempt to read and Extract tag data from the antenna"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdLFParadox(const char *Cmd) {
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+ CmdsHelp(CommandTable);
+ return 0;
+}
diff --git a/client/cmdlfparadox.h b/client/cmdlfparadox.h
new file mode 100644
index 00000000..997787f2
--- /dev/null
+++ b/client/cmdlfparadox.h
@@ -0,0 +1,14 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Paradox tag commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFPARADOX_H__
+#define CMDLFPARADOX_H__
+extern int CmdLFParadox(const char *Cmd);
+extern int CmdFSKdemodParadox(const char *Cmd);
+extern int CmdParadoxRead(const char *Cmd);
+#endif