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nfc-mfclassic: add option to tolerate RW errors & other enhancements

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Reconciliate read & write operations.
Add option to tolerate or not RW failures.
Print success/failure for each block as ACL is per block.
This commit is contained in:
Philippe Teuwen 2013-03-02 22:29:10 +01:00
parent ddd7cabda8
commit b1448f6785
2 changed files with 50 additions and 23 deletions
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40
utils/nfc-mfclassic.1
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@ -4,7 +4,7 @@ nfc-mfclassic \- MIFARE Classic command line tool
.SH SYNOPSIS
.B nfc-mfclassic
.RI \fR\fBr\fR|\fR\fBR\fR|\fBw\fR\fR|\fBW\fR
.RI \fR\fBa\fR|\fBb\fR
.RI \fR\fBa\fR|\fR\fBA\fR|\fBb\fR\fR|\fBB\fR
.IR DUMP
.IR [KEYS]
@ -27,16 +27,36 @@ to store the keys and data for all sectors.
Be cautious that some parts of a MIFARE Classic memory are used for r/w access
of the rest of the memory, so please read the tag documentation before experimenting too much!
The 'W' option allows writing of special MIFARE cards that can be 'unlocked' to allow block 0
The
.B W
option allows writing of special MIFARE cards that can be 'unlocked' to allow block 0
to be overwritten. This includes UID and manufacturer data. Take care when amending UIDs to set
the correct BCC (UID checksum). Currently only 4 byte UIDs are supported.
Similarly, the 'R' option allows an 'unlocked' read. This bypasses authentication and allows
Similarly, the
.B R
option allows an 'unlocked' read. This bypasses authentication and allows
reading of the Key A and Key B data regardless of ACLs.
*** Note that 'W' and 'R' options only work on special versions of MIFARE 1K cards (Chinese clones).
R/W errors on some blocks can be either considered as critical or ignored.
To halt on first error, specify keys with lowercase (
.B a
or
.B b
). To ignore such errors, use uppercase (
.B A
or
.B B
).
*** Note that
.B W
and
.B R
options only work on special versions of MIFARE 1K cards (Chinese clones).
.SH OPTIONS
.TP
.BR r " | " R " | " w " | " W
Perform read from (
.B r
@ -48,8 +68,18 @@ Perform read from (
.B W
) card.
.TP
.BR a " | " b
.BR a " | " A " | " b " | " B
Use A or B MIFARE keys.
Halt on errors (
.B a
|
.B b
) or tolerate errors (
.B A
|
.B
B
).
.TP
.IR DUMP
MiFare Dump (MFD) used to write (card to MFD) or (MFD to card)