small fix
[proxmark3-svn] / client / cmdhflist.c
CommitLineData
4f131b53 1//-----------------------------------------------------------------------------
2// Copyright (C) Merlok - 2017
3//
4// This code is licensed to you under the terms of the GNU GPL, version 2 or,
5// at your option, any later version. See the LICENSE.txt file for the text of
6// the license.
7//-----------------------------------------------------------------------------
8// Command: hf mf list. It shows data from arm buffer.
9//-----------------------------------------------------------------------------
10
11#include "cmdhflist.h"
12
13#include <stdlib.h>
14#include <stdio.h>
15#include <string.h>
6612a5a2 16#include <stdint.h>
17#include <stdbool.h>
18#include "util.h"
19#include "data.h"
20#include "ui.h"
21#include "iso14443crc.h"
22#include "parity.h"
23#include "protocols.h"
4f131b53 24
25
6612a5a2 26enum MifareAuthSeq {
27 masNone,
28 masNt,
29 masNrAr,
30 masAt,
aadc6bf1 31 masFirstData,
6612a5a2 32 masData,
33 masDataNested,
34 masError,
35};
36static enum MifareAuthSeq MifareAuthState;
aadc6bf1
OM
37static TAuthData AuthData;
38
39void ClearAuthData() {
40 AuthData.uid = 0;
41 AuthData.nt = 0;
42 AuthData.first_auth = false;
43}
6612a5a2 44
45/**
46 * @brief iso14443A_CRC_check Checks CRC in command or response
47 * @param isResponse
48 * @param data
49 * @param len
50 * @return 0 : CRC-command, CRC not ok
51 * 1 : CRC-command, CRC ok
52 * 2 : Not crc-command
53 */
54uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
55{
56 uint8_t b1,b2;
57
58 if(len <= 2) return 2;
59
60 if(isResponse & (len < 6)) return 2;
61
62 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
63 if (b1 != data[len-2] || b2 != data[len-1]) {
64 return 0;
65 } else {
66 return 1;
67 }
68}
69
70uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
71{
72 switch(MifareAuthState) {
73 case masNone:
aadc6bf1 74 case masFirstData:
6612a5a2 75 case masData:
76 case masDataNested:
77 case masError:
78 return iso14443A_CRC_check(isResponse, data, len);
79 default:
80 return 2;
81 }
6612a5a2 82}
83
84void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
85{
86 switch(cmd[0])
87 {
a31f7f89
OM
88 case ISO14443A_CMD_WUPA:
89 snprintf(exp,size,"WUPA");
90 MifareAuthState = masNone;
91 break;
6612a5a2 92 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
93 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
94 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
95 if(cmd[1] == 0x70)
96 {
97 snprintf(exp,size,"SELECT_UID"); break;
98 }else
99 {
100 snprintf(exp,size,"ANTICOLL"); break;
101 }
102 }
103 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
104 //95 20 = Anticollision of cascade level2
105 //95 70 = Select of cascade level2
106 if(cmd[2] == 0x70)
107 {
108 snprintf(exp,size,"SELECT_UID-2"); break;
109 }else
110 {
111 snprintf(exp,size,"ANTICOLL-2"); break;
112 }
113 }
a31f7f89
OM
114 case ISO14443A_CMD_REQA:
115 snprintf(exp,size,"REQA");
116 MifareAuthState = masNone;
117 break;
6612a5a2 118 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
119 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
120 case ISO14443A_CMD_HALT:
121 snprintf(exp,size,"HALT");
122 MifareAuthState = masNone;
123 break;
124 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
125 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
126 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
127 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
128 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
129 case MIFARE_AUTH_KEYA:
130 if ( cmdsize > 3) {
131 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
132 MifareAuthState = masNt;
133 } else {
134 // case MIFARE_ULEV1_VERSION : both 0x60.
135 snprintf(exp,size,"EV1 VERSION");
136 }
137 break;
138 case MIFARE_AUTH_KEYB:
139 MifareAuthState = masNt;
140 snprintf(exp,size,"AUTH-B(%d)",cmd[1]);
141 break;
142 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
143 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
144 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
145 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
146 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
147 case MIFARE_ULEV1_AUTH:
148 if ( cmdsize == 7 )
149 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
150 else
151 snprintf(exp,size,"PWD-AUTH");
152 break;
153 case MIFARE_ULEV1_FASTREAD:{
154 if ( cmdsize >=3 && cmd[2] <= 0xE6)
155 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
156 else
157 snprintf(exp,size,"?");
158 break;
159 }
160 case MIFARE_ULC_WRITE:{
161 if ( cmd[1] < 0x21 )
162 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
163 else
164 snprintf(exp,size,"?");
165 break;
166 }
167 case MIFARE_ULEV1_READ_CNT:{
168 if ( cmd[1] < 5 )
169 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
170 else
171 snprintf(exp,size,"?");
172 break;
173 }
174 case MIFARE_ULEV1_INCR_CNT:{
175 if ( cmd[1] < 5 )
176 snprintf(exp,size,"INCR(%d)",cmd[1]);
177 else
178 snprintf(exp,size,"?");
179 break;
180 }
181 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
182 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
183 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
184 default: snprintf(exp,size,"?"); break;
185 }
186 return;
187}
188
189void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, bool isResponse) {
aadc6bf1
OM
190 // get UID
191 if (MifareAuthState == masNone) {
192 if (cmdsize == 7 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT && cmd[1] == 0x70) {
193 ClearAuthData();
194 AuthData.uid = bytes_to_num(&cmd[2], 4);
195 }
196 if (cmdsize == 7 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT_2 && cmd[1] == 0x70) {
197 ClearAuthData();
198 AuthData.uid = bytes_to_num(&cmd[2], 4);
199 }
200 }
201
6612a5a2 202 switch(MifareAuthState) {
203 case masNt:
fb30f5a1 204 if (cmdsize == 4 && isResponse) {
aadc6bf1 205 snprintf(exp,size,"AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
6612a5a2 206 MifareAuthState = masNrAr;
aadc6bf1
OM
207 if (AuthData.first_auth)
208 AuthData.nt = bytes_to_num(cmd, cmdsize);
209 else
210 AuthData.nt_enc = bytes_to_num(cmd, cmdsize);
6612a5a2 211 return;
212 } else {
213 MifareAuthState = masError;
6612a5a2 214 }
215 break;
216 case masNrAr:
fb30f5a1 217 if (cmdsize == 8 && !isResponse) {
6c30a244 218 snprintf(exp,size,"AUTH: nr ar (enc)");
6612a5a2 219 MifareAuthState = masAt;
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OM
220 AuthData.nr_enc = bytes_to_num(cmd, cmdsize);
221 AuthData.ar_enc = bytes_to_num(&cmd[3], cmdsize);
6612a5a2 222 return;
223 } else {
224 MifareAuthState = masError;
225 }
226 break;
227 case masAt:
fb30f5a1 228 if (cmdsize == 4 && isResponse) {
6c30a244 229 snprintf(exp,size,"AUTH: at (enc)");
aadc6bf1
OM
230 MifareAuthState = masFirstData;
231 AuthData.at_enc = bytes_to_num(cmd, cmdsize);
6612a5a2 232 return;
233 } else {
234 MifareAuthState = masError;
235 }
236 break;
237 default:
238 break;
239 }
240
241 if (!isResponse)
242 annotateIso14443a(exp, size, cmd, cmdsize);
243
244}
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