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clean up unprintable characters in MFU dump output

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This commit is contained in:
James Chambers 2017-03-03 17:38:51 -05:00
parent f76d6fae10
commit 4bbf5ad17d
1 changed files with 14 additions and 2 deletions
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16
client/cmdhfmfu.c
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@ -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];
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 +1421,17 @@ 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);
for (size_t clean_i = 0; clean_i < 4; clean_i++) {
if (!isprint(cleanASCII[clean_i])) {
cleanASCII[clean_i] = '.';
}
}
PrintAndLog("%3d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, cleanASCII);
}
PrintAndLog("---------------------------------");