iClass support is tweaked so it works with HID readers... waiting for further improvement
[proxmark3-svn] / client / cmdhf14a.c
CommitLineData
a553f267 1//-----------------------------------------------------------------------------
f89c7050 2// 2011, Merlok
534983d7 3// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
a553f267 4//
5// This code is licensed to you under the terms of the GNU GPL, version 2 or,
6// at your option, any later version. See the LICENSE.txt file for the text of
7// the license.
8//-----------------------------------------------------------------------------
9// High frequency ISO14443A commands
10//-----------------------------------------------------------------------------
11
7fe9b0b7 12#include <stdio.h>
590f8ff9 13#include <stdlib.h>
7fe9b0b7 14#include <string.h>
f397b5cc 15#include <unistd.h>
20f9a2a1 16#include "util.h"
7fe9b0b7 17#include "iso14443crc.h"
18#include "data.h"
19#include "proxusb.h"
20#include "ui.h"
21#include "cmdparser.h"
22#include "cmdhf14a.h"
534983d7 23#include "common.h"
20f9a2a1 24#include "cmdmain.h"
7fe9b0b7 25
26static int CmdHelp(const char *Cmd);
27
28int CmdHF14AList(const char *Cmd)
29{
30 uint8_t got[1920];
31 GetFromBigBuf(got, sizeof(got));
32
33 PrintAndLog("recorded activity:");
34 PrintAndLog(" ETU :rssi: who bytes");
35 PrintAndLog("---------+----+----+-----------");
36
37 int i = 0;
38 int prev = -1;
39
40 for (;;) {
41 if(i >= 1900) {
42 break;
43 }
44
45 bool isResponse;
46 int timestamp = *((uint32_t *)(got+i));
47 if (timestamp & 0x80000000) {
48 timestamp &= 0x7fffffff;
49 isResponse = 1;
50 } else {
51 isResponse = 0;
52 }
53
54 int metric = 0;
55 int parityBits = *((uint32_t *)(got+i+4));
56 // 4 bytes of additional information...
57 // maximum of 32 additional parity bit information
58 //
59 // TODO:
60 // at each quarter bit period we can send power level (16 levels)
61 // or each half bit period in 256 levels.
62
63
64 int len = got[i+8];
65
66 if (len > 100) {
67 break;
68 }
69 if (i + len >= 1900) {
70 break;
71 }
72
73 uint8_t *frame = (got+i+9);
74
75 // Break and stick with current result if buffer was not completely full
76 if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
77
78 char line[1000] = "";
79 int j;
80 for (j = 0; j < len; j++) {
81 int oddparity = 0x01;
82 int k;
83
84 for (k=0;k<8;k++) {
85 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
86 }
87
88 //if((parityBits >> (len - j - 1)) & 0x01) {
89 if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
90 sprintf(line+(j*4), "%02x! ", frame[j]);
91 }
92 else {
93 sprintf(line+(j*4), "%02x ", frame[j]);
94 }
95 }
96
97 char *crc;
98 crc = "";
99 if (len > 2) {
100 uint8_t b1, b2;
101 for (j = 0; j < (len - 1); j++) {
102 // gives problems... search for the reason..
103 /*if(frame[j] == 0xAA) {
104 switch(frame[j+1]) {
105 case 0x01:
106 crc = "[1] Two drops close after each other";
107 break;
108 case 0x02:
109 crc = "[2] Potential SOC with a drop in second half of bitperiod";
110 break;
111 case 0x03:
112 crc = "[3] Segment Z after segment X is not possible";
113 break;
114 case 0x04:
115 crc = "[4] Parity bit of a fully received byte was wrong";
116 break;
117 default:
118 crc = "[?] Unknown error";
119 break;
120 }
121 break;
122 }*/
123 }
124
125 if (strlen(crc)==0) {
126 ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
127 if (b1 != frame[len-2] || b2 != frame[len-1]) {
128 crc = (isResponse & (len < 6)) ? "" : " !crc";
129 } else {
130 crc = "";
131 }
132 }
133 } else {
134 crc = ""; // SHORT
135 }
136
137 char metricString[100];
138 if (isResponse) {
139 sprintf(metricString, "%3d", metric);
140 } else {
141 strcpy(metricString, " ");
142 }
143
144 PrintAndLog(" +%7d: %s: %s %s %s",
145 (prev < 0 ? 0 : (timestamp - prev)),
146 metricString,
147 (isResponse ? "TAG" : " "), line, crc);
148
149 prev = timestamp;
150 i += (len + 9);
151 }
f89c7050 152 return 0;
7fe9b0b7 153}
154
534983d7 155void iso14a_set_timeout(uint32_t timeout) {
156 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
157 SendCommand(&c);
158}
159
7fe9b0b7 160int CmdHF14AReader(const char *Cmd)
161{
534983d7 162 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
163 SendCommand(&c);
164 UsbCommand * resp = WaitForResponse(CMD_ACK);
165 uint8_t * uid = resp->d.asBytes;
9ca155ba 166 iso14a_card_select_t * card = (iso14a_card_select_t *)(uid + 12);
534983d7 167
168 if(resp->arg[0] == 0) {
169 PrintAndLog("iso14443a card select failed");
170 return 0;
171 }
172
173 PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
174 PrintAndLog(" UID : %s", sprint_hex(uid, 12));
175 PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
713e7ffb 176
9ca155ba 177 switch (card->sak) {
713e7ffb
W
178 case 0x00: PrintAndLog(" SAK : NXP MIFARE Ultralight | Ultralight C"); break;
179 case 0x04: PrintAndLog(" SAK : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
180
181 case 0x08: PrintAndLog(" SAK : NXP MIFARE CLASSIC 1k | Plus 2k"); break;
182 case 0x09: PrintAndLog(" SAK : NXP MIFARE Mini 0.3k"); break;
183 case 0x10: PrintAndLog(" SAK : NXP MIFARE Plus 2k"); break;
184 case 0x11: PrintAndLog(" SAK : NXP MIFARE Plus 4k"); break;
185 case 0x18: PrintAndLog(" SAK : NXP MIFARE Classic 4k | Plus 4k"); break;
186 case 0x20: PrintAndLog(" SAK : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"); break;
187 case 0x24: PrintAndLog(" SAK : NXP MIFARE DESFire | DESFire EV1"); break;
23487cd2
M
188 case 0x28: PrintAndLog(" SAK : JCOP31 or JCOP41 v2.3.1"); break;
189 case 0x38: PrintAndLog(" SAK : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
190 case 0x88: PrintAndLog(" SAK : Infineon MIFARE CLASSIC 1K"); break;
191 case 0x98: PrintAndLog(" SAK : Gemplus MPCOS"); break;
9ca155ba
M
192 default: ;
193 }
534983d7 194 if(resp->arg[0] == 1)
195 PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
196 else
197 PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
198
199 return resp->arg[0];
7fe9b0b7 200}
201
202// ## simulate iso14443a tag
203// ## greg - added ability to specify tag UID
204int CmdHF14ASim(const char *Cmd)
205{
206
207 unsigned int hi = 0, lo = 0;
208 int n = 0, i = 0;
209 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
210 hi= (hi << 4) | (lo >> 28);
211 lo= (lo << 4) | (n & 0xf);
212 }
213
214 // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
215 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
216 PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
217 SendCommand(&c);
218 return 0;
219}
220
221int CmdHF14ASnoop(const char *Cmd)
222{
223 UsbCommand c = {CMD_SNOOP_ISO_14443a};
224 SendCommand(&c);
225 return 0;
226}
227
228static command_t CommandTable[] =
229{
4abe4f58
M
230 {"help", CmdHelp, 1, "This help"},
231 {"list", CmdHF14AList, 0, "List ISO 14443a history"},
4abe4f58
M
232 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
233 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
234 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
7fe9b0b7 235 {NULL, NULL, 0, NULL}
236};
237
238int CmdHF14A(const char *Cmd)
239{
f397b5cc
M
240 // flush
241 while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
242
243 // parse
7fe9b0b7 244 CmdsParse(CommandTable, Cmd);
245 return 0;
246}
247
248int CmdHelp(const char *Cmd)
249{
250 CmdsHelp(CommandTable);
251 return 0;
252}
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