1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349
|
/**********************************************************************
*
* This file is part of Cardpeek, the smart card reader utility.
*
* Copyright 2009-2013 by Alain Pannetrat <L1L1@gmx.com>
*
* Cardpeek is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cardpeek is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cardpeek. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "iso7816.h"
#include <string.h>
int iso7816_describe_apdu(apdu_descriptor_t *ad, const bytestring_t* apdu)
{
unsigned apdu_len = bytestring_get_size(apdu);
unsigned char c;
memset(ad,0,sizeof(*ad));
if (apdu_len<4)
return ISO7816_ERROR;
if (apdu_len==4) /* CASE 1 */
{
ad->apdu_class = APDU_CLASS_1;
return ISO7816_OK;
}
bytestring_get_element(&c,apdu,4);
if (apdu_len==5) /* CASE 2S */
{
ad->apdu_class = APDU_CLASS_2S;
ad->le_len = 1;
ad->le = c;
return ISO7816_OK;
}
if (c>0) /* apdu_len>5 */
{
ad->lc_len= 1;
ad->lc = c;
if ((5+ad->lc)==apdu_len) /* CASE 3S */
{
ad->apdu_class = APDU_CLASS_3S;
return ISO7816_OK;
}
bytestring_get_element(&c,apdu,ad->lc+5);
if ((ad->lc+6)==apdu_len) /* CASE 4S */
{
ad->apdu_class = APDU_CLASS_4S;
ad->le_len = 1;
ad->le = c;
return ISO7816_OK;
}
}
else /* c==0 */
{
if (apdu_len<7)
return ISO7816_ERROR;
if (apdu_len==7) /* CASE 2E */
{
ad->apdu_class = APDU_CLASS_2E;
ad->le_len=3;
bytestring_get_element(&c,apdu,5);
ad->le = c;
bytestring_get_element(&c,apdu,6);
ad->le = ((ad->le)<<8)|c;
return ISO7816_OK;
}
ad->lc_len=3;
bytestring_get_element(&c,apdu,5);
ad->lc = c;
bytestring_get_element(&c,apdu,6);
ad->lc = ((ad->lc)<<8)|c;
if (apdu_len==ad->lc+7) /* case 3E */
{
ad->apdu_class = APDU_CLASS_3E;
return ISO7816_OK;
}
if (apdu_len==ad->lc+10) /* case 4E */
{
bytestring_get_element(&c,apdu,ad->lc+7);
if (c!=0)
return ISO7816_ERROR;
ad->apdu_class = APDU_CLASS_4E;
ad->le_len = 3;
bytestring_get_element(&c,apdu,ad->lc+8);
ad->le = c;
bytestring_get_element(&c,apdu,ad->lc+9);
ad->le = ((ad->le)<<8)|c;
return ISO7816_OK;
}
}
return ISO7816_ERROR;
}
#define is_hex(c) (((c)>='0' && (c)<='9') || \
((c)>='A' && (c)<='F') || \
((c)>='a' && (c)<='f'))
static int is_hex4(const char* s)
{
if (strlen(s)<4)
return 0;
return (is_hex(s[0]) && is_hex(s[1]) && is_hex(s[2]) && is_hex(s[3]));
}
int iso7816_make_file_path(bytestring_t* file_path,
int *path_type,
const char* path)
{
unsigned path_len = strlen(path);
*path_type=-1;
bytestring_clear(file_path);
if (path[0]=='.')
{
if (path[1]=='.' && path_len==2)
{
*path_type=3;
return ISO7816_OK;
}
else if (path[1]=='/')
{
*path_type=9; /* 9 => SELECT FROM CURRENT DF */
bytestring_assign_digit_string(file_path,path+2);
return ISO7816_OK;
}
else if (is_hex4(path+1))
{
if (path[5]=='/' && path_len==6)
{
*path_type=1;
bytestring_assign_digit_string(file_path,path+1);
return ISO7816_OK;
}
else if (path_len==5)
{
*path_type=2;
bytestring_assign_digit_string(file_path,path+1);
return ISO7816_OK;
}
}
}
else if (path[0]=='#')
{
if (path_len==5)
{
*path_type=0;
bytestring_assign_digit_string(file_path,path+1);
return ISO7816_OK;
}
else if (path_len==1)
{
*path_type=0;
return ISO7816_OK;
}
else
{
*path_type=4;
bytestring_assign_digit_string(file_path,path+1);
return ISO7816_OK;
}
}
else if (path[0]=='/' && is_hex4(path+1))
{
*path_type=8; /* 8 => SELECT FROM MF */
bytestring_assign_digit_string(file_path,path+1);
return ISO7816_OK;
}
return ISO7816_ERROR;
}
const char* iso7816_stringify_sw(unsigned short sw)
{
static char msg[200];
msg[0]=0;
if (sw==0x9000)
return strcpy(msg,"Normal processing");
switch (sw>>8) {
case 0x61:
strcpy(msg,"More bytes available (see SW2)");
break;
case 0x62:
strcpy(msg,"State of non-volatile memory unchanged - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x81: strcat(msg,"Part of returned data may be corrupted"); break;
case 0x82: strcat(msg,"End of file/record reached before reading Le bytes"); break;
case 0x83: strcat(msg,"Selected file invalidated"); break;
case 0x84: strcat(msg,"FCI not formatted correctly"); break;
}
break;
case 0x63:
strcpy(msg,"State of non-volatile memory changed - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x81: strcat(msg,"File filled up by the last write"); break;
}
if ((sw&0xF0)==0xC0) strcat(msg,"Counter value");
break;
case 0x64:
strcpy(msg,"State of non-volatile memory unchanged - ");
if ((sw&0xFF)==0) strcat(msg,"OK");
break;
case 0x65:
strcpy(msg,"State of non-volatile memory changed - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x81: strcat(msg,"Memory failure"); break;
}
break;
case 0x66:
strcpy(msg,"security-related issue - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
}
break;
case 0x67:
if (sw==0x6700)
strcpy(msg,"Wrong length");
else
strcpy(msg,"Unknown 67XX error code");
break;
case 0x68:
strcpy(msg,"Functions in CLA not supported - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x81: strcat(msg,"Logical channel not supported"); break;
case 0x82: strcat(msg,"Secure messaging not supported"); break;
}
break;
case 0x69:
strcpy(msg,"Command not allowed - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x81: strcat(msg,"Command incompatible with file structure"); break;
case 0x82: strcat(msg,"Security status not satisfied"); break;
case 0x83: strcat(msg,"Authentication method blocked"); break;
case 0x84: strcat(msg,"Referenced data invalidated"); break;
case 0x85: strcat(msg,"Conditions of use not satisfied"); break;
case 0x86: strcat(msg,"Command not allowed (no current EF)"); break;
case 0x87: strcat(msg,"Expected SM data objects missing"); break;
case 0x88: strcat(msg,"SM data objects incorrect"); break;
}
break;
case 0x6A:
strcpy(msg,"Wrong parameter(s) P1-P2 - ");
switch (sw&0xFF) {
case 0x00: strcat(msg,"No information given"); break;
case 0x80: strcat(msg,"Incorrect parameters in the data field"); break;
case 0x81: strcat(msg,"Function not supported"); break;
case 0x82: strcat(msg,"File not found"); break;
case 0x83: strcat(msg,"Record not found"); break;
case 0x84: strcat(msg,"Not enough memory space in the file"); break;
case 0x85: strcat(msg,"Lc inconsistent with TLV structure"); break;
case 0x86: strcat(msg,"Incorrect parameters P1-P2"); break;
case 0x87: strcat(msg,"Lc inconsistent with P1-P2"); break;
case 0x88: strcat(msg,"Referenced data not found"); break;
}
break;
case 0x6B:
if (sw==0x6B00)
strcpy(msg,"Wrong parameter(s) P1-P2");
else
strcpy(msg,"Unknown 6BXX error code");
break;
case 0x6C:
strcpy(msg,"Wrong length Le, see SW2");
break;
case 0x6D:
if (sw==0x6D00)
strcpy(msg,"Instruction code not supported or invalid");
else
strcpy(msg,"Unknown 6DXX error code");
break;
case 0x6E:
if (sw==0x6E00)
strcpy(msg,"Class not supported");
else
strcpy(msg,"Unknown 6EXX error code");
break;
case 0x6F:
if (sw==0x6FFF)
strcpy(msg,"Cardpeek application-level error");
else
strcpy(msg,"No precise diagnosis");
break;
case 0x92:
strcpy(msg,"GSM - Update successful after n reties (see SW2)");
break;
case 0x94:
switch (sw&0xFF) {
case 0x00: strcpy(msg,"GSM - No EF selected"); break;
case 0x02: strcpy(msg,"GSM - Out of range (invalid address)"); break;
case 0x04: strcpy(msg,"GSM - File ID or pattern not found"); break;
case 0x08: strcpy(msg,"GSM - File inconsistent with the command"); break;
}
break;
case 0x98:
switch (sw&0xFF) {
case 0x02: strcpy(msg,"GSM - No CHV initilaized"); break;
case 0x04: strcpy(msg,"GSM - Authentication failed"); break;
case 0x08: strcpy(msg,"GSM - In contradiction with CHV status"); break;
case 0x10: strcpy(msg,"GSM - In contradiction invalidation status"); break;
case 0x40: strcpy(msg,"GSM - Authentication failed, no attempts left"); break;
case 0x50: strcpy(msg,"GSM - Increase failed, max. vaule reached"); break;
}
break;
case 0x9F:
strcpy(msg,"GSM - Length of response in SW2");
break;
default:
if ((sw>>12)==0x9)
strcpy(msg,"Application specific Status Word");
else
strcpy(msg,"Unknown Status Word");
}
return msg;
}
const char *APDU_CLASS_NAMES[]={"None","1","2S","3S","4S","2E","3E","4E"};
const char *iso7816_stringify_apdu_class(unsigned apdu_class)
{
if (apdu_class>7)
apdu_class=0;
return APDU_CLASS_NAMES[apdu_class];
}
|