X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1b12afbd9fd2f6b3de278a1419d0e095cb9181ce..b816886806bc301aad60573e9ba6c35c1bfe4ea5:/client/cmdhf.c

diff --git a/client/cmdhf.c b/client/cmdhf.c
index db0fbf95..bc8d2ecc 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -370,23 +370,37 @@ void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
 // 1 = read
 // 0 = write
 // Quite simpel tag
-void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
-	
-	if ( cmdsize > 1) {
-		
-		uint8_t cmdBit = (cmd[0] & 1);
-		uint8_t address = (cmd[1] << 7) | cmd[0] >> 1;
-		
-		if (cmdBit == LEGIC_READ)
-			snprintf(exp, size, "READ Byte(%d)", address);
-		else if (cmdBit == LEGIC_WRITE )
-			snprintf(exp, size, "WRITE Byte(%d)", address);
-		else 
-			snprintf(exp, size, "?");
-				
-	} else {		
-		if ( cmd[0] == LEGIC_HSK_22 ) snprintf(exp, size, "MIM22");
-		if ( cmd[0] == LEGIC_HSK_256 ) snprintf(exp, size, "MIN256/1024");
+void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){	
+	uint8_t bitsend = cmd[0];	
+	switch (bitsend){
+		case 7:
+			snprintf(exp, size, "IV 0x%02X", cmd[1]);
+			break;
+		case 6: {
+			switch ( cmd[1] ) {
+				case LEGIC_MIM_22:	 snprintf(exp, size, "MIM22"); break;
+				case LEGIC_MIM_256:	 snprintf(exp, size, "MIM256"); break;
+				case LEGIC_MIM_1024: snprintf(exp, size, "MIM1024"); break;
+				case LEGIC_ACK_22:	 snprintf(exp, size, "ACK 22"); break;
+				case LEGIC_ACK_256:	 snprintf(exp, size, "ACK 256/1024"); break;
+			}
+			break;
+		}
+		case 9:
+		case 11: {
+			uint8_t cmdBit = (cmd[1] & 1);
+			uint16_t address = (cmd[2] << 7) | cmd[1] >> 1;
+			
+			if (cmdBit == LEGIC_READ) 
+				snprintf(exp, size, "READ Byte(%d)", address);
+			
+			if (cmdBit == LEGIC_WRITE ) 
+				snprintf(exp, size, "WRITE Byte(%d)", address);
+			break;
+		}
+		case 12:
+		default:
+			break;
 	}
 }
 
@@ -501,20 +515,6 @@ uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 	}
 }
 
-uint8_t legic_CRC_check(bool isResponse, uint8_t* data, uint8_t len){
-	if (len > 2) return 2;
-	
-	uint8_t calccrc = CRC8Legic(data, len);
-	
-	return 0;
-	// crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
-	// crc_clear(&legic_crc);
-	// crc_update(&legic_crc, 1, 1); /* CMD_READ */
-	// crc_update(&legic_crc, byte_index, cmd_sz-1);
-	// crc_update(&legic_crc, value, 8);
-	// return crc_finish(&legic_crc);
-}
-
 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
 {
 	return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
@@ -631,8 +631,6 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 			default: 
 				break;
 		}
-	} else if ( data_len == 2 && protocol == LEGIC ){
-		crcStatus = legic_CRC_check(isResponse, frame, data_len);		
 	}
 	//0 CRC-command, CRC not ok
 	//1 CRC-command, CRC ok
@@ -650,9 +648,8 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 			oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
 		}
 		uint8_t parityBits = parityBytes[j>>3];
-		if (protocol != ISO_14443B && protocol != ISO_7816_4 &&  (isResponse || protocol == ISO_14443A)  && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+		if (protocol != LEGIC && protocol != ISO_14443B && protocol != ISO_7816_4 &&  (isResponse || protocol == ISO_14443A)  && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
 			snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
-
 		} else {
 			snprintf(line[j/16]+(( j % 16) * 4),110, "%02x  ", frame[j]);
 		}
@@ -669,14 +666,20 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 		}
 	}
 
-	if (data_len == 0 )
+	if (data_len == 0 ) {
 		sprintf(line[0],"<empty trace - possible error>");
+		return tracepos;
+	}
 
-	//--- Draw the CRC column
+	// Draw the CRC column
 	char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
 
 	EndOfTransmissionTimestamp = timestamp + duration;
 
+	// Always annotate LEGIC read/tag
+	if ( protocol == LEGIC )
+		annotateLegic(explanation,sizeof(explanation),frame,data_len);
+	
 	if (!isResponse)	{
 		switch(protocol) {
 			case ICLASS:		annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
@@ -685,7 +688,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 			case ISO_14443B:	annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
 			case TOPAZ:			annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
 			case ISO_7816_4:	annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
-			case LEGIC:			annotateLegic(explanation,sizeof(explanation),frame,data_len); break;
+
 			default:			break;
 		}
 	}
@@ -829,8 +832,12 @@ int CmdHFList(const char *Cmd) {
 	PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
 	PrintAndLog("");
 	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
-	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
-	PrintAndLog("iClass    - Timings are not as accurate");
+	if ( protocol == ISO_14443A )
+		PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
+	if ( protocol == ICLASS )
+		PrintAndLog("iClass    - Timings are not as accurate");
+	if ( protocol == LEGIC )
+		PrintAndLog("LEGIC    - Timings are in ticks (1us == 1.5ticks)");
 	PrintAndLog("");
     PrintAndLog("      Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
 	PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
@@ -875,6 +882,12 @@ int CmdHFSearch(const char *Cmd){
 		PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n");
 		return 1;
 	}
+	ans = HFLegicReader("", false);
+	if ( ans == 0) {
+		PrintAndLog("\nValid LEGIC Tag Found - Quiting Search\n");
+		return 1;
+	}
+	
 	PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
 	return 0;
 }