]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlf.c
add check for no wave in graphbuffer prior to...
[proxmark3-svn] / client / cmdlf.c
index 602f1b9dca0e2b5b38a455e79998feaf45ba8172..59f6cd0d4a336ba12e89bdc3406e85a941807e64 100644 (file)
 #include <string.h>
 #include <limits.h>
 #include "proxmark3.h"
-#include "data.h"
-#include "graph.h"
-#include "ui.h"
-#include "cmdparser.h"
-#include "cmdmain.h"
-#include "cmddata.h"
-#include "util.h"
 #include "cmdlf.h"
-#include "cmdlfhid.h"
-#include "cmdlfawid.h"
-#include "cmdlfti.h"
-#include "cmdlfem4x.h"
-#include "cmdlfhitag.h"
-#include "cmdlft55xx.h"
-#include "cmdlfpcf7931.h"
-#include "cmdlfio.h"
-#include "lfdemod.h"
+#include "lfdemod.h"     // for psk2TOpsk1
+#include "util.h"        // for parsing cli command utils
+#include "ui.h"          // for show graph controls
+#include "graph.h"       // for graph data
+#include "cmdparser.h"   // for getting cli commands included in cmdmain.h
+#include "cmdmain.h"     // for sending cmds to device
+#include "data.h"        // for GetFromBigBuf
+#include "cmddata.h"     // for `lf search`
+#include "cmdlfawid.h"   // for awid menu
+#include "cmdlfem4x.h"   // for em4x menu
+#include "cmdlfhid.h"    // for hid menu
+#include "cmdlfhitag.h"  // for hitag menu
+#include "cmdlfio.h"     // for ioprox menu
+#include "cmdlft55xx.h"  // for t55xx menu
+#include "cmdlfti.h"     // for ti menu
+#include "cmdlfpresco.h" // for presco menu
+#include "cmdlfpcf7931.h"// for pcf7931 menu
+#include "cmdlfpyramid.h"// for pyramid menu
+#include "cmdlfviking.h" // for viking menu
 
 static int CmdHelp(const char *Cmd);
 
 
 
-int usage_lf_cmdread()
+int usage_lf_cmdread(void)
 {
        PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
        PrintAndLog("Options:        ");
@@ -61,7 +64,6 @@ int CmdLFCommandRead(const char *Cmd)
        bool errors = FALSE;
        //uint8_t divisor = 95; //125khz
        uint8_t cmdp = 0;
-       int strLength = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
                switch(param_getchar(Cmd, cmdp))
@@ -77,7 +79,7 @@ int CmdLFCommandRead(const char *Cmd)
                        cmdp++;
                        break;
                case 'c':
-                       strLength = param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
+                       param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
                        cmdp+=2;
                        break;
                case 'd':
@@ -423,11 +425,12 @@ int CmdIndalaClone(const char *Cmd)
                c.arg[1] = uid2;
        }
 
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
 
-int usage_lf_read()
+int usage_lf_read(void)
 {
        PrintAndLog("Usage: lf read");
        PrintAndLog("Options:        ");
@@ -437,7 +440,7 @@ int usage_lf_read()
        PrintAndLog("Use 'lf config' to set parameters.");
        return 0;
 }
-int usage_lf_snoop()
+int usage_lf_snoop(void)
 {
        PrintAndLog("Usage: lf snoop");
        PrintAndLog("Options:        ");
@@ -447,7 +450,7 @@ int usage_lf_snoop()
        return 0;
 }
 
-int usage_lf_config()
+int usage_lf_config(void)
 {
        PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
        PrintAndLog("Options:        ");
@@ -537,7 +540,7 @@ int CmdLFSetConfig(const char *Cmd)
                return usage_lf_config();
        }
        //Bps is limited to 8, so fits in lower half of arg1
-       if(bps >> 8) bps = 8;
+       if(bps >> 4) bps = 8;
 
        sample_config config = {
                decimation,bps,averaging,divisor,trigger_threshold
@@ -545,6 +548,7 @@ int CmdLFSetConfig(const char *Cmd)
        //Averaging is a flag on high-bit of arg[1]
        UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
        memcpy(c.d.asBytes,&config,sizeof(sample_config));
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -561,6 +565,7 @@ int CmdLFRead(const char *Cmd)
        if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
        //And ship it to device
        UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
+       clearCommandBuffer();
        SendCommand(&c);
        //WaitForResponse(CMD_ACK,NULL);        
        if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
@@ -580,6 +585,7 @@ int CmdLFSnoop(const char *Cmd)
        }
 
        UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       clearCommandBuffer();
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        return 0;
@@ -626,6 +632,7 @@ int CmdLFSim(const char *Cmd)
        printf("\n");
        PrintAndLog("Starting to simulate");
        UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -657,7 +664,7 @@ int usage_lf_simask(void)
        PrintAndLog("       b              sim ask/biphase");
        PrintAndLog("       m              sim ask/manchester - Default");
        PrintAndLog("       r              sim ask/raw");
-       PrintAndLog("       s              TBD- -to enable a gap between playback repetitions - default: no gap");
+       PrintAndLog("       s              add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
        PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
        return 0;
 }
@@ -678,7 +685,7 @@ int usage_lf_simpsk(void)
        return 0;
 }
 
-// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
+// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert 
 // - allow pull data from DemodBuffer
 int CmdLFfskSim(const char *Cmd)
 {
@@ -775,6 +782,7 @@ int CmdLFfskSim(const char *Cmd)
        UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
 
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -868,6 +876,7 @@ int CmdLFaskSim(const char *Cmd)
        UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
        PrintAndLog("preparing to sim ask data: %d bits", size);
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -975,6 +984,7 @@ int CmdLFpskSim(const char *Cmd)
        UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
        PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        
        return 0;
@@ -1128,13 +1138,6 @@ int CmdLFfind(const char *Cmd)
                return 1;
        }
 
-       //add psk and indala
-       ans=CmdIndalaDecode("");
-       if (ans>0) {
-               PrintAndLog("\nValid Indala ID Found!");
-               return 1;
-       }
-
        ans=CmdAskEM410xDemod("");
        if (ans>0) {
                PrintAndLog("\nValid EM410x ID Found!");
@@ -1165,12 +1168,29 @@ int CmdLFfind(const char *Cmd)
                return 1;
        }       
 
+       ans=CmdIndalaDecode("");
+       if (ans>0) {
+               PrintAndLog("\nValid Indala ID Found!");
+               return 1;
+       }
+
        ans=CmdPSKNexWatch("");
        if (ans>0) {
                PrintAndLog("\nValid NexWatch ID Found!");
                return 1;
        }
 
+       size_t testLen = (GraphTraceLen < 500) ? GraphTraceLen : 500;
+       // only run if graphbuffer is just noise as it should be for hitag
+       if (graphJustNoise(GraphBuffer, testLen)) { 
+               if (!offline && (cmdp != '1')){
+                       ans=CmdLFHitagReader("26");
+                       if (ans==0) {
+                               return 1;
+                       }
+               }
+       }
+
        PrintAndLog("\nNo Known Tags Found!\n");
        if (testRaw=='u' || testRaw=='U'){
                //test unknown tag formats (raw mode)
@@ -1185,7 +1205,8 @@ int CmdLFfind(const char *Cmd)
                                return 1;
                        }
                }
-               ans=ASKDemod("0 0 0",TRUE,FALSE,1);
+               bool st = TRUE;
+               ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
                if (ans>0) {
                        PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
                        PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
@@ -1206,14 +1227,17 @@ int CmdLFfind(const char *Cmd)
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,            1, "This help"},
-       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs... }"},
-       {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
-       {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
+       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs...    }"},
+       {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs...    }"},
+       {"hid",         CmdLFHID,           1, "{ HID RFIDs...     }"},
        {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
-       {"io",          CmdLFIO,            1, "{ ioProx tags... }"},
+       {"io",          CmdLFIO,            1, "{ ioProx tags...   }"},
+       {"presco",      CmdLFPresco,        1, "{ Presco RFIDs... }"},
        {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 RFIDs... }"},
-       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
-       {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
+       {"pyramid",     CmdLFPyramid,       1, "{ Farpointe/Pyramid RFIDs... }"},
+       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs...   }"},
+       {"ti",          CmdLFTI,            1, "{ TI RFIDs...      }"},
+       {"viking",      CmdLFViking,        1, "{ Viking tags...   }"},
        {"cmdread",     CmdLFCommandRead,   0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
        {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
        {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
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