X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0db11b71efad3781186cc2da9f31686a6562d065..955228691e95dcd9d8be6ee0702f6ce76013cc0c:/client/cmdlfhitag.c

diff --git a/client/cmdlfhitag.c b/client/cmdlfhitag.c
index 2411fe5f..a5c3b8eb 100644
--- a/client/cmdlfhitag.c
+++ b/client/cmdlfhitag.c
@@ -28,8 +28,7 @@ size_t nbytes(size_t nbits) {
 	return (nbits/8)+((nbits%8)>0);
 }
 
-int CmdLFHitagList(const char *Cmd)
-{
+int CmdLFHitagList(const char *Cmd) {
  	uint8_t *got = malloc(USB_CMD_DATA_SIZE);
 
 	// Query for the actual size of the trace
@@ -58,13 +57,14 @@ int CmdLFHitagList(const char *Cmd)
 	int len = strlen(Cmd);
 
 	char filename[FILE_PATH_SIZE]  = { 0x00 };
-	FILE* pf = NULL;
+	FILE* f = NULL;
   	
 	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
 	memcpy(filename, Cmd, len);
    
 	if (strlen(filename) > 0) {
-		if ((pf = fopen(filename,"wb")) == NULL) {
+		f = fopen(filename,"wb");
+		if (!f) {
 			PrintAndLog("Error: Could not open file [%s]",filename);
 			return 1;
 		}
@@ -129,8 +129,8 @@ int CmdLFHitagList(const char *Cmd)
 			(isResponse ? "TAG" : "   "),
 			line);
 
-		if (pf) {
-			fprintf(pf," +%7d:  %3d: %s %s\n",
+		if (f) {
+			fprintf(f," +%7d:  %3d: %s %s\n",
 				(prev < 0 ? 0 : (timestamp - prev)),
 				bits,
 				(isResponse ? "TAG" : "   "),
@@ -141,8 +141,8 @@ int CmdLFHitagList(const char *Cmd)
 		i += (len + 9);
 	}
   
-	if (pf) {
-		fclose(pf);
+	if (f) {
+		fclose(f);
 		PrintAndLog("Recorded activity succesfully written to file: %s", filename);
 	}
 
@@ -161,7 +161,7 @@ int CmdLFHitagSim(const char *Cmd) {
     
 	UsbCommand c = {CMD_SIMULATE_HITAG};
 	char filename[FILE_PATH_SIZE] = { 0x00 };
-	FILE* pf;
+	FILE* f;
 	bool tag_mem_supplied;
 	
 	int len = strlen(Cmd);
@@ -169,25 +169,25 @@ int CmdLFHitagSim(const char *Cmd) {
 	memcpy(filename, Cmd, len);
 
 	if (strlen(filename) > 0) {
-		if ((pf = fopen(filename,"rb+")) == NULL) {
+		f = fopen(filename,"rb+");
+		if (!f) {
 			PrintAndLog("Error: Could not open file [%s]",filename);
 			return 1;
 		}
 		tag_mem_supplied = true;
-		size_t bytes_read = fread(c.d.asBytes, 48, 1, pf);
+		size_t bytes_read = fread(c.d.asBytes, 48, 1, f);
 		if ( bytes_read == 0) {
 			PrintAndLog("Error: File reading error");
-			fclose(pf);
+			fclose(f);
 			return 1;
 		}
-		fclose(pf);
+		fclose(f);
 	} else {
 		tag_mem_supplied = false;
 	}
 
 	// Does the tag comes with memory
 	c.arg[0] = (uint32_t)tag_mem_supplied;
-
 	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
@@ -195,7 +195,6 @@ int CmdLFHitagSim(const char *Cmd) {
 
 int CmdLFHitagReader(const char *Cmd) {
 	
-
 	UsbCommand c = {CMD_READER_HITAG};//, {param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),param_get32ex(Cmd,3,0,16)}};
 	hitag_data* htd = (hitag_data*)c.d.asBytes;
 	hitag_function htf = param_get32ex(Cmd,0,0,10);
@@ -241,11 +240,8 @@ int CmdLFHitagReader(const char *Cmd) {
 
 	// Copy the hitag2 function into the first argument
 	c.arg[0] = htf;
-
 	clearCommandBuffer();
-	// Send the command to the proxmark
 	SendCommand(&c);
-
 	UsbCommand resp;
 	WaitForResponse(CMD_ACK,&resp);
 
@@ -253,28 +249,27 @@ int CmdLFHitagReader(const char *Cmd) {
 	if (resp.arg[0] == false) return 1;
 
 	uint32_t id = bytes_to_num(resp.d.asBytes,4);
-	char filename[FILE_PATH_SIZE];
-	FILE* pf = NULL;
 
+	char filename[FILE_PATH_SIZE];
+	FILE* f = NULL;
 	sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
-	if ((pf = fopen(filename,"wb")) == NULL) {
+	f = fopen(filename,"wb");
+	if (!f) {
 		PrintAndLog("Error: Could not open file [%s]",filename);
 		return 1;
 	}
 
 	// Write the 48 tag memory bytes to file and finalize
-	fwrite(resp.d.asBytes,1,48,pf);
-	fclose(pf);
-
+	fwrite(resp.d.asBytes, 1, 48, f);
+	fclose(f);
 	PrintAndLog("Succesfully saved tag memory to [%s]",filename);
 	return 0;
 }
 
-
 int CmdLFHitagSimS(const char *Cmd) {
 	UsbCommand c = { CMD_SIMULATE_HITAG_S };
 	char filename[FILE_PATH_SIZE] = { 0x00 };
-	FILE* pf;
+	FILE* f;
 	bool tag_mem_supplied;
 	int len = strlen(Cmd);
 	if (len > FILE_PATH_SIZE)
@@ -282,24 +277,26 @@ int CmdLFHitagSimS(const char *Cmd) {
 	memcpy(filename, Cmd, len);
 
 	if (strlen(filename) > 0) {
-		if ((pf = fopen(filename, "rb+")) == NULL) {
+		f = fopen(filename, "rb+");
+		if (!f) {
 			PrintAndLog("Error: Could not open file [%s]", filename);
 			return 1;
 		}
 		tag_mem_supplied = true;
-		if (fread(c.d.asBytes, 4*64, 1, pf) == 0) {
+		size_t bytes_read = fread(c.d.asBytes, 4*64, 1, f);
+		if ( bytes_read == 0) {
 			PrintAndLog("Error: File reading error");
-			fclose(pf);
+			fclose(f);
 			return 1;
 		}
-		fclose(pf);
+		fclose(f);
 	} else {
 		tag_mem_supplied = false;
 	}
 
 	// Does the tag comes with memory
 	c.arg[0] = (uint32_t) tag_mem_supplied;
-
+	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
 }
@@ -307,36 +304,37 @@ int CmdLFHitagSimS(const char *Cmd) {
 int CmdLFHitagCheckChallenges(const char *Cmd) {
 	UsbCommand c = { CMD_TEST_HITAGS_TRACES };
 	char filename[FILE_PATH_SIZE] = { 0x00 };
-	FILE* pf;
+	FILE* f;
 	bool file_given;
 	int len = strlen(Cmd);
 	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
 	memcpy(filename, Cmd, len);
 	
 	if (strlen(filename) > 0) {
-		if ((pf = fopen(filename,"rb+")) == NULL) {
-			PrintAndLog("Error: Could not open file [%s]",filename);
+		f = fopen(filename,"rb+");
+		if( !f ) {
+			PrintAndLog("Error: Could not open file [%s]", filename);
 			return 1;
 		}
 		file_given = true;
-		if (fread(c.d.asBytes,8*60,1,pf) == 0) {
-      PrintAndLog("Error: File reading error");
-      fclose(pf);
+		size_t bytes_read = fread(c.d.asBytes, 8*60, 1, f);
+		if ( bytes_read == 0) {
+			PrintAndLog("Error: File reading error");
+			fclose(f);
 			return 1;
         }
-		fclose(pf);
+		fclose(f);
 	} else {
 		file_given = false;
 	}
 	
 	//file with all the challenges to try
 	c.arg[0] = (uint32_t)file_given;
-
-  SendCommand(&c);
-  return 0;
+	clearCommandBuffer();
+	SendCommand(&c);
+	return 0;
 }
 
-
 int CmdLFHitagWP(const char *Cmd) {
 	UsbCommand c = { CMD_WR_HITAG_S };
 	hitag_data* htd = (hitag_data*)c.d.asBytes;
@@ -367,17 +365,15 @@ int CmdLFHitagWP(const char *Cmd) {
 	// Copy the hitag function into the first argument
 	c.arg[0] = htf;
 
-  // Send the command to the proxmark
-  SendCommand(&c);
-  
-  UsbCommand resp;
-  WaitForResponse(CMD_ACK,&resp);
-  
-  // Check the return status, stored in the first argument
-  if (resp.arg[0] == false) return 1;
-  return 0;
-}
+	clearCommandBuffer();
+	SendCommand(&c);
+	UsbCommand resp;
+	WaitForResponse(CMD_ACK,&resp);
 
+	// Check the return status, stored in the first argument
+	if (resp.arg[0] == false) return 1;
+	return 0;
+}
 
 static command_t CommandTable[] = 
 {