Merge pull request #58 from Proxmark/GenericTracing

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index f56aa1b7576fe758e5d84cb728f4de9eed02610a..b7c1b13f75e8a61ee7766b75d8265bbb0cbbd7ee 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -662,26 +662,31 @@ int CmdVchDemod(const char *Cmd)
 int CmdLFfind(const char *Cmd)
 {
   int ans=0;
-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  lf search <0|1>");
-               PrintAndLog("     <use data from Graphbuffer>, if not set, try reading data from tag.");
-               PrintAndLog("");
-               PrintAndLog("    sample: lf search");
-               PrintAndLog("          : lf search 1");
-               return 0;
-       }
+  char cmdp = param_getchar(Cmd, 0);
+  char testRaw = param_getchar(Cmd, 1);
+  if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  lf search <0|1> [u]");
+    PrintAndLog("     <use data from Graphbuffer> , if not set, try reading data from tag.");
+    PrintAndLog("     [Search for Unknown tags] , if not set, reads only known tags.");
+    PrintAndLog("");
+    PrintAndLog("    sample: lf search     = try reading data from tag & search for known tags");
+    PrintAndLog("          : lf search 1   = use data from GraphBuffer & search for known tags");
+    PrintAndLog("          : lf search u   = try reading data from tag & search for known and unknown tags");
+    PrintAndLog("          : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
 
-       if (!offline && (cmdp != '1')){
+    return 0;
+  }
+
+  if (!offline && (cmdp != '1')){
     ans=CmdLFRead("");
     ans=CmdSamples("20000");
-       } else if (GraphTraceLen < 1000) {
-               PrintAndLog("Data in Graphbuffer was too small.");
-               return 0;
+  } else if (GraphTraceLen < 1000) {
+    PrintAndLog("Data in Graphbuffer was too small.");
+    return 0;
   }
-
+  if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
   PrintAndLog("NOTE: some demods output possible binary\n  if it finds something that looks like a tag");
+  PrintAndLog("False Positives ARE possible\n");  
   PrintAndLog("\nChecking for known tags:\n");
   ans=CmdFSKdemodIO("");
   if (ans>0) {
@@ -714,12 +719,37 @@ int CmdLFfind(const char *Cmd)
     PrintAndLog("\nValid Indala ID Found!");
     return 1;
   }
-  ans=Cmdaskmandemod("");
+  ans=CmdAskEM410xDemod("");
   if (ans>0) {
     PrintAndLog("\nValid EM410x ID Found!");
     return 1;
   }
-  PrintAndLog("No Known Tags Found!\n");
+  PrintAndLog("\nNo Known Tags Found!\n");
+  if (testRaw=='u' || testRaw=='U'){
+    //test unknown tag formats (raw mode)
+    PrintAndLog("\nChecking for Unknown tags:\n");
+    ans=CmdDetectClockRate("f");
+    if (ans != 0){ //fsk
+      ans=CmdFSKrawdemod("");
+      if (ans>0) {
+        PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+        return 1;
+      }
+    }
+    ans=Cmdaskmandemod("");
+    if (ans>0) {
+      PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+      return 1;
+    }
+    ans=CmdPSK1rawDemod("");
+    if (ans>0) {
+      PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
+      PrintAndLog("\nCould also be PSK3 - [currently not supported]");
+      PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
+      return 1;
+    }
+    PrintAndLog("\nNo Data Found!\n");
+  }
   return 0;
 }
 
@@ -735,7 +765,7 @@ static command_t CommandTable[] =
   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
   {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
   {"read",        CmdLFRead,          0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
-  {"search",      CmdLFfind,          1, "Read and Search for valid known tag (in offline mode it you can load first then search)"},
+  {"search",      CmdLFfind,          1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},