a couple em4x05 fixes.

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index dcb64166df3dc69988d4e046d2ca347eff6bd611..34104518f9df43b3680cea1314968575c4c0f99d 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -33,6 +33,8 @@
 #include "cmdlfpcf7931.h"// for pcf7931 menu
 #include "cmdlfpyramid.h"// for pyramid menu
 #include "cmdlfviking.h" // for viking menu
+#include "cmdlfcotag.h"  // for COTAG menu
+
 
 static int CmdHelp(const char *Cmd);
 
@@ -1080,6 +1082,7 @@ int CmdVchDemod(const char *Cmd)
 int CmdLFfind(const char *Cmd)
 {
        int ans=0;
+       size_t minLength = 1000;
        char cmdp = param_getchar(Cmd, 0);
        char testRaw = param_getchar(Cmd, 1);
        if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
@@ -1098,7 +1101,7 @@ int CmdLFfind(const char *Cmd)
        if (!offline && (cmdp != '1')){
                CmdLFRead("s");
                getSamples("30000",false);
-       } else if (GraphTraceLen < 1000) {
+       } else if (GraphTraceLen < minLength) {
                PrintAndLog("Data in Graphbuffer was too small.");
                return 0;
        }
@@ -1108,6 +1111,24 @@ int CmdLFfind(const char *Cmd)
        PrintAndLog("False Positives ARE possible\n");  
        PrintAndLog("\nChecking for known tags:\n");
 
+       size_t testLen = minLength;
+       // only run if graphbuffer is just noise as it should be for hitag/cotag
+       if (graphJustNoise(GraphBuffer, testLen)) {
+               // only run these tests if we are in online mode 
+               if (!offline && (cmdp != '1')){
+                       ans=CmdLFHitagReader("26");
+                       if (ans==0) {
+                               return 1;
+                       }
+                       ans=CmdCOTAGRead("");
+                       if (ans>0){
+                               PrintAndLog("\nValid COTAG ID Found!");
+                               return 1;
+                       }
+               }
+               return 0;
+       }
+
        ans=CmdFSKdemodIO("");
        if (ans>0) {
                PrintAndLog("\nValid IO Prox ID Found!");
@@ -1180,11 +1201,6 @@ int CmdLFfind(const char *Cmd)
                return 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)
@@ -1222,6 +1238,7 @@ static command_t CommandTable[] =
 {
        {"help",        CmdHelp,            1, "This help"},
        {"awid",        CmdLFAWID,          1, "{ AWID RFIDs...    }"},
+       {"cotag",       CmdLFCOTAG,         1, "{ COTAG RFIDs...   }"},
        {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs...    }"},
        {"hid",         CmdLFHID,           1, "{ HID RFIDs...     }"},
        {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},