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Merge pull request #221 from jamchamb/clean-mfu-dump

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Clean mfu dump output
This commit is contained in:
pwpiwi 2017-03-04 12:48:37 +01:00 • committed by GitHub
commit 23bd68f944
3 changed files with 21 additions and 2 deletions
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11
client/cmdhfmfu.c
View file

@ -7,6 +7,7 @@
//-----------------------------------------------------------------------------
// High frequency MIFARE ULTRALIGHT (C) commands
//-----------------------------------------------------------------------------
#include <ctype.h>
#include "loclass/des.h"
#include "cmdhfmfu.h"
#include "cmdhfmf.h"
@ -1230,6 +1231,7 @@ int CmdHF14AMfUDump(const char *Cmd){
bool manualPages = false;
uint8_t startPage = 0;
char tempStr[50];
unsigned char cleanASCII[4];
while(param_getchar(Cmd, cmdp) != 0x00)
{
@ -1372,7 +1374,7 @@ int CmdHF14AMfUDump(const char *Cmd){
PrintAndLog("---------------------------------");
for (i = 0; i < Pages; ++i) {
if ( i < 3 ) {
PrintAndLog("%02d/0x%02X | %s| | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
PrintAndLog("%3d/0x%02X | %s| | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
continue;
}
switch(i){
@ -1419,7 +1421,12 @@ int CmdHF14AMfUDump(const char *Cmd){
case 43: tmplockbit = bit2[9]; break; //auth1
default: break;
}
PrintAndLog("%02d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
// convert unprintable characters and line breaks to dots
memcpy(cleanASCII, data+i*4, 4);
clean_ascii(cleanASCII, 4);
PrintAndLog("%3d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, cleanASCII);
}
PrintAndLog("---------------------------------");

10
client/util.c
View file

@ -8,6 +8,7 @@
// utilities
//-----------------------------------------------------------------------------
#include <ctype.h>
#include "util.h"
#define MAX_BIN_BREAK_LENGTH (3072+384+1)
@ -581,3 +582,12 @@ void rol(uint8_t *data, const size_t len){
}
data[len-1] = first;
}
// Replace unprintable characters with a dot in char buffer
void clean_ascii(unsigned char *buf, size_t len) {
for (size_t i = 0; i < len; i++) {
if (!isprint(buf[i]))
buf[i] = '.';
}
}

2
client/util.h
View file

@ -76,3 +76,5 @@ void xor(unsigned char *dst, unsigned char *src, size_t len);
int32_t le24toh(uint8_t data[3]);
uint32_t le32toh (uint8_t *data);
void rol(uint8_t *data, const size_t len);
void clean_ascii(unsigned char *buf, size_t len);