X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f5ed4d12de19dcf59a3d5ecdcd9f75f5c747dd3e..d3a22c7dfa87bf5e21d228849a602194be4a0895:/client/cmdhf14a.c

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 97d102be..62d95b4b 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -181,6 +181,11 @@ int CmdHF14AReader(const char *Cmd)
 	
 	if(select_status == 0) {
 		PrintAndLog("iso14443a card select failed");
+		// disconnect
+		c.arg[0] = 0;
+		c.arg[1] = 0;
+		c.arg[2] = 0;
+		SendCommand(&c);
 		return 0;
 	}
 
@@ -220,13 +225,6 @@ int CmdHF14AReader(const char *Cmd)
 	    memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
 		card.ats_len = resp.arg[0];				// note: ats_len includes CRC Bytes
 	} 
-
-	// disconnect
-	c.arg[0] = 0;
-	c.arg[1] = 0;
-	c.arg[2] = 0;
-	SendCommand(&c);
-
 	
 	if(card.ats_len >= 3) {			// a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 		bool ta1 = 0, tb1 = 0, tc1 = 0;
@@ -366,6 +364,24 @@ int CmdHF14AReader(const char *Cmd)
 		PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 	}
 
+	
+	// try to see if card responses to "chinese magic backdoor" commands.
+	c.cmd = CMD_MIFARE_CIDENT;
+	c.arg[0] = 0;
+	c.arg[1] = 0;
+	c.arg[2] = 0;	
+	SendCommand(&c);
+	WaitForResponse(CMD_ACK,&resp);
+	uint8_t isOK  = resp.arg[0] & 0xff;
+	PrintAndLog(" Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+	
+	// disconnect
+	c.cmd = CMD_READER_ISO_14443a;
+	c.arg[0] = 0;
+	c.arg[1] = 0;
+	c.arg[2] = 0;
+	SendCommand(&c);
+	
 	return select_status;
 }
 
@@ -493,7 +509,7 @@ int CmdHF14ASnoop(const char *Cmd) {
 	
 	if (param_getchar(Cmd, 0) == 'h') {
 		PrintAndLog("It get data from the field and saves it into command buffer.");
-		PrintAndLog("Buffer accessible from command hf 14a list.");
+		PrintAndLog("Buffer accessible from command hf list 14a.");
 		PrintAndLog("Usage:  hf 14a snoop [c][r]");
 		PrintAndLog("c - triggered by first data from card");
 		PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
@@ -678,7 +694,7 @@ static void waitCmd(uint8_t iSelect)
 static command_t CommandTable[] = 
 {
   {"help",   CmdHelp,              1, "This help"},
-  {"list",   CmdHF14AList,         0, "List ISO 14443a history"},
+  {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
   {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},