source: trunk/reader-dre.c @ 4692

Last change on this file since 4692 was 4692, checked in by _network, 9 years ago

reader-dre: fix cw postprocessing

  • Property svn:eol-style set to native
File size: 16.0 KB
Line 
1#include "globals.h"
2#include "reader-common.h"
3
4#define OK_RESPONSE 0x61
5#define CMD_BYTE 0x59
6
7static uchar xor (const uchar * cmd, int cmdlen)
8{
9  int i;
10  uchar checksum = 0x00;
11  for (i = 0; i < cmdlen; i++)
12    checksum ^= cmd[i];
13  return checksum;
14}
15
16static int dre_command (struct s_reader * reader, const uchar * cmd, int cmdlen, unsigned char * cta_res, unsigned short * p_cta_lr)    //attention: inputcommand will be changed!!!! answer will be in cta_res, length cta_lr ; returning 1 = no error, return ERROR = err
17{
18  uchar startcmd[] = { 0x80, 0xFF, 0x10, 0x01, 0x05 };  //any command starts with this,
19  //last byte is nr of bytes of the command that will be sent
20  //after the startcmd
21//response on startcmd+cmd:     = { 0x61, 0x05 }  //0x61 = "OK", last byte is nr. of bytes card will send
22  uchar reqans[] = { 0x00, 0xC0, 0x00, 0x00, 0x08 };    //after command answer has to be requested,
23  //last byte must be nr. of bytes that card has reported to send
24  uchar command[256];
25  int headerlen = sizeof (startcmd);
26  startcmd[4] = cmdlen + 3; //commandlength + type + len + checksum bytes
27  memcpy (command, startcmd, headerlen);
28  command[headerlen++] = CMD_BYTE;  //type
29  command[headerlen++] = cmdlen + 1;    //len = command + 1 checksum byte
30  memcpy (command + headerlen, cmd, cmdlen);
31
32  uchar checksum = ~xor (cmd, cmdlen);
33  //cs_debug_mask(D_READER, "[dre-reader] Checksum: %02x", checksum);
34  cmdlen += headerlen;
35  command[cmdlen++] = checksum;
36
37  reader_cmd2icc (reader, command, cmdlen, cta_res, p_cta_lr);
38
39  if ((*p_cta_lr != 2) || (cta_res[0] != OK_RESPONSE)) {
40    cs_log ("[dre-reader] unexpected answer from card: %s", cs_hexdump (0, cta_res, *p_cta_lr));
41    return ERROR;           //error
42  }
43
44  reqans[4] = cta_res[1];   //adapt length byte
45  reader_cmd2icc (reader, reqans, 5, cta_res, p_cta_lr);
46
47  if (cta_res[0] != CMD_BYTE) {
48    cs_log ("[dre-reader] unknown response: cta_res[0] expected to be %02x, is %02x", CMD_BYTE, cta_res[0]);
49    return ERROR;
50  }
51  if ((cta_res[1] == 0x03) && (cta_res[2] == 0xe2)) {
52    switch (cta_res[3]) {
53    case 0xe1:
54      cs_log ("[dre-reader] checksum error: %s.", cs_hexdump (0, cta_res, *p_cta_lr));
55      break;
56    case 0xe2:
57      cs_log ("[dre-reader] wrong provider: %s.", cs_hexdump (0, cta_res, *p_cta_lr));
58      break;
59    case 0xe3:
60      cs_log ("[dre-reader] illegal command: %s.", cs_hexdump (0, cta_res, *p_cta_lr)); 
61      break;
62    case 0xec:
63      cs_log ("[dre-reader] wrong signature: %s.", cs_hexdump (0, cta_res, *p_cta_lr));
64      break;
65    default:
66      cs_debug_mask(D_READER, "[dre-reader] unknown error: %s.", cs_hexdump (0, cta_res, *p_cta_lr));
67      break;
68    }
69    return ERROR;           //error
70  }
71  int length_excl_leader = *p_cta_lr;
72  if ((cta_res[*p_cta_lr - 2] == 0x90) && (cta_res[*p_cta_lr - 1] == 0x00))
73    length_excl_leader -= 2;
74
75  checksum = ~xor (cta_res + 2, length_excl_leader - 3);
76
77  if (cta_res[length_excl_leader - 1] != checksum) {
78    cs_log ("[dre-reader] checksum does not match, expected %02x received %02x:%s", checksum,
79        cta_res[length_excl_leader - 1], cs_hexdump (0, cta_res, *p_cta_lr));
80    return ERROR;           //error
81  }
82  return OK;
83}
84
85#define dre_cmd(cmd) \
86{ \
87    dre_command(reader, cmd, sizeof(cmd),cta_res,&cta_lr); \
88}
89
90static int dre_set_provider_info (struct s_reader * reader)
91{
92  def_resp;
93  int i;
94  uchar cmd59[] = { 0x59, 0x14 };   // subscriptions
95  uchar cmd5b[] = { 0x5b, 0x00, 0x14 }; //validity dates
96
97  cmd59[1] = reader->provider;
98  if ((dre_cmd (cmd59))) {  //ask subscription packages, returns error on 0x11 card
99    uchar pbm[32];
100    memcpy (pbm, cta_res + 3, cta_lr - 6);
101    cs_debug_mask(D_READER, "[dre-reader] pbm: %s", cs_hexdump (0, pbm, 32));
102
103    if (pbm[0] == 0xff)
104      cs_ri_log (reader, "[dre-reader] no active packages");
105    else
106      for (i = 0; i < 32; i++)
107    if (pbm[i] != 0xff) {
108      cmd5b[1] = i;
109      cmd5b[2] = reader->provider;
110      dre_cmd (cmd5b);  //ask for validity dates
111
112      time_t start;
113      time_t end;
114      start = (cta_res[3] << 24) | (cta_res[4] << 16) | (cta_res[5] << 8) | cta_res[6];
115      end = (cta_res[7] << 24) | (cta_res[8] << 16) | (cta_res[9] << 8) | cta_res[10];
116
117      struct tm temp;
118
119      localtime_r (&start, &temp);
120      int startyear = temp.tm_year + 1900;
121      int startmonth = temp.tm_mon + 1;
122      int startday = temp.tm_mday;
123      localtime_r (&end, &temp);
124      int endyear = temp.tm_year + 1900;
125      int endmonth = temp.tm_mon + 1;
126      int endday = temp.tm_mday;
127      cs_ri_log (reader, "[dre-reader] active package %i valid from %04i/%02i/%02i to %04i/%02i/%02i", i, startyear, startmonth, startday,
128          endyear, endmonth, endday);
129    }
130  }
131  return OK;
132}
133
134static int dre_card_init (struct s_reader * reader, ATR newatr)
135{
136    get_atr;
137  def_resp;
138  uchar ua[] = { 0x43, 0x15 };  // get serial number (UA)
139  uchar providers[] = { 0x49, 0x15 };   // get providers
140  int i;
141    char *card;
142
143  if ((atr[0] != 0x3b) || (atr[1] != 0x15) || (atr[2] != 0x11) || (atr[3] != 0x12 || atr[4] != 0xca || atr[5] != 0x07))
144    return ERROR;
145
146  reader->provider = atr[6];
147  uchar checksum = xor (atr + 1, 6);
148
149  if (checksum != atr[7])
150    cs_log ("[dre-reader] warning: expected ATR checksum %02x, smartcard reports %02x", checksum, atr[7]);
151
152  switch (atr[6]) {
153  case 0x11:
154    card = "Tricolor Centr";
155    reader->caid = 0x4ae1;
156    break;          //59 type card = MSP (74 type = ATMEL)
157  case 0x12:
158    card = "Cable TV";
159    reader->caid = 0x4ae1;  //TODO not sure about this one
160    break;
161  case 0x14:
162    card = "Tricolor Syberia / Platforma HD new";
163    reader->caid = 0x4ae1;
164    break;          //59 type card
165  case 0x15:
166    card = "Platforma HD / DW old";
167    reader->caid = 0x4ae1;
168    break;          //59 type card
169  default:
170    card = "Unknown";
171    reader->caid = 0x4ae1;
172    break;
173  }
174
175  memset (reader->prid, 0x00, 8);
176
177  static const uchar cmd30[] =
178    { 0x30, 0x81, 0x00, 0x81, 0x82, 0x03, 0x84, 0x05, 0x06, 0x87, 0x08, 0x09, 0x00, 0x81, 0x82, 0x03, 0x84, 0x05,
179    0x00
180  };
181  dre_cmd (cmd30);      //unknown command, generates error on card 0x11 and 0x14
182/*
183response:
18459 03 E2 E3
185FE 48 */
186
187  uchar cmd54[] = { 0x54, 0x14 };   // geocode
188  cmd54[1] = reader->provider;
189  uchar geocode = 0;
190  if ((dre_cmd (cmd54)))    //error would not be fatal, like on 0x11 cards
191    geocode = cta_res[3];
192
193  providers[1] = reader->provider;
194  if (!(dre_cmd (providers)))
195    return ERROR;           //fatal error
196  if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
197    return ERROR;
198  uchar provname[128];
199  for (i = 0; ((i < cta_res[2] - 6) && (i < 128)); i++) {
200    provname[i] = cta_res[6 + i];
201    if (provname[i] == 0x00)
202      break;
203  }
204  int major_version = cta_res[3];
205  int minor_version = cta_res[4];
206
207  ua[1] = reader->provider;
208  dre_cmd (ua);         //error would not be fatal
209
210  int hexlength = cta_res[1] - 2;   //discard first and last byte, last byte is always checksum, first is answer code
211
212  reader->hexserial[0] = 0;
213  reader->hexserial[1] = 0;
214  memcpy (reader->hexserial + 2, cta_res + 3, hexlength);
215
216  int low_dre_id = ((cta_res[4] << 16) | (cta_res[5] << 8) | cta_res[6]) - 48608;
217  int dre_chksum = 0;
218  uchar buf[32];
219  sprintf ((char *)buf, "%i%i%08i", reader->provider - 16, major_version + 1, low_dre_id);
220  for (i = 0; i < 32; i++) {
221    if (buf[i] == 0x00)
222      break;
223    dre_chksum += buf[i] - 48;
224  }
225
226  //cs_ri_log("[dre-reader] type: DRE Crypt, caid: %04X, serial: %llu, card: v%x",
227  cs_ri_log (reader, "[dre-reader] type: DRE Crypt, caid: %04X, serial: %s, dre id: %i%i%i%08i, geocode %i, card: %s v%i.%i",
228      reader->caid, cs_hexdump (0, reader->hexserial + 2, 4), dre_chksum, reader->provider - 16,
229      major_version + 1, low_dre_id, geocode, card, major_version, minor_version);
230  cs_ri_log (reader, "[dre-reader] Provider name:%s.", provname);
231
232
233  memset (reader->sa, 0, sizeof (reader->sa));
234  memcpy (reader->sa[0], reader->hexserial + 2, 1); //copy first byte of unique address also in shared address, because we dont know what it is...
235
236  cs_ri_log (reader, "[dre-reader] SA = %02X%02X%02X%02X, UA = %s", reader->sa[0][0], reader->sa[0][1], reader->sa[0][2],
237      reader->sa[0][3], cs_hexdump (0, reader->hexserial + 2, 4));
238
239  reader->nprov = 1;
240
241  if (!dre_set_provider_info (reader))
242    return ERROR;           //fatal error
243
244  cs_log ("[dre-reader] ready for requests");
245  return OK;
246}
247
248static unsigned char DESkeys[16*8]=
249{
250  0x4A,0x11,0x23,0xB1,0x45,0x99,0xCF,0x10, // 00
251  0x21,0x1B,0x18,0xCD,0x02,0xD4,0xA1,0x1F, // 01
252  0x07,0x56,0xAB,0xB4,0x45,0x31,0xAA,0x23, // 02
253  0xCD,0xF2,0x55,0xA1,0x13,0x4C,0xF1,0x76, // 03
254  0x57,0xD9,0x31,0x75,0x13,0x98,0x89,0xC8, // 04
255  0xA3,0x36,0x5B,0x18,0xC2,0x83,0x45,0xE2, // 05
256  0x19,0xF7,0x35,0x08,0xC3,0xDA,0xE1,0x28, // 06
257  0xE7,0x19,0xB5,0xD8,0x8D,0xE3,0x23,0xA4, // 07
258  0xA7,0xEC,0xD2,0x15,0x8B,0x42,0x59,0xC5, // 08
259  0x13,0x49,0x83,0x2E,0xFB,0xAD,0x7C,0xD3, // 09
260  0x37,0x25,0x78,0xE3,0x72,0x19,0x53,0xD9, // 0A
261  0x7A,0x15,0xA4,0xC7,0x15,0x49,0x32,0xE8, // 0B
262  0x63,0xD5,0x96,0xA7,0x27,0xD8,0xB2,0x68, // 0C
263  0x42,0x5E,0x1A,0x8C,0x41,0x69,0x8E,0xE8, // 0D
264  0xC2,0xAB,0x37,0x29,0xD3,0xCF,0x93,0xA7, // 0E
265  0x49,0xD3,0x33,0xC2,0xEB,0x71,0xD3,0x14  // 0F
266};
267
268void DREover(unsigned char *ECMdata, unsigned char *DW)
269{
270    uchar key[8];
271    if(ECMdata[2] >= (43+4) && ECMdata[40] == 0x3A && ECMdata[41] == 0x4B)
272    {
273        memcpy(key, &DESkeys[(ECMdata[42] & 0x0F) * 8], 8);
274
275        doPC1(key);
276
277        des(key, DES_ECS2_DECRYPT, DW); // even DW post-process
278        des(key, DES_ECS2_DECRYPT, DW+8); // odd DW post-process
279    };
280};
281
282static int dre_do_ecm (struct s_reader * reader, ECM_REQUEST * er)
283{
284  def_resp;
285  if (reader->caid == 0x4ae0) {
286    uchar ecmcmd41[] = { 0x41,
287      0x58, 0x1f, 0x00,     //fixed part, dont change
288      0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,   //0x01 - 0x08: next key
289      0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,   //0x11 - 0x18: current key
290      0x3b, 0x59, 0x11      //0x3b = keynumber, can be a value 56 ;; 0x59 number of package = 58+1 - Pay Package ;; 0x11 = provider
291    };
292    ecmcmd41[22] = reader->provider;
293    memcpy (ecmcmd41 + 4, er->ecm + 8, 16);
294    ecmcmd41[20] = er->ecm[6];  //keynumber
295    ecmcmd41[21] = 0x58 + er->ecm[25];  //package number
296    cs_debug_mask(D_READER, "[dre-reader] unused ECM info front:%s", cs_hexdump (0, er->ecm, 8));
297    cs_debug_mask(D_READER, "[dre-reader] unused ECM info back:%s", cs_hexdump (0, er->ecm + 24, er->ecm[2] + 2 - 24));
298    if ((dre_cmd (ecmcmd41))) { //ecm request
299      if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
300                return ERROR;       //exit if response is not 90 00
301      memcpy (er->cw, cta_res + 11, 8);
302      memcpy (er->cw + 8, cta_res + 3, 8);
303
304      return OK;
305    }
306  }
307  else {
308
309    uchar ecmcmd51[] = { 0x51, 0x02, 0x56, 0x05, 0x00, 0x4A, 0xE3,  //fixed header?
310      0x9C, 0xDA,       //first three nibbles count up, fourth nibble counts down; all ECMs sent twice
311      0xC1, 0x71, 0x21, 0x06, 0xF0, 0x14, 0xA7, 0x0E,   //next key?
312      0x89, 0xDA, 0xC9, 0xD7, 0xFD, 0xB9, 0x06, 0xFD,   //current key?
313      0xD5, 0x1E, 0x2A, 0xA3, 0xB5, 0xA0, 0x82, 0x11,   //key or signature?
314      0x14          //provider
315    };
316    memcpy (ecmcmd51 + 1, er->ecm + 5, 0x21);
317    cs_debug_mask(D_READER, "[dre-reader] unused ECM info front:%s", cs_hexdump (0, er->ecm, 5));
318    cs_debug_mask(D_READER, "[dre-reader] unused ECM info back:%s", cs_hexdump (0, er->ecm + 37, 4));
319    ecmcmd51[33] = reader->provider;    //no part of sig
320    if ((dre_cmd (ecmcmd51))) { //ecm request
321      if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
322                return ERROR;       //exit if response is not 90 00
323      DREover(er->ecm, cta_res + 3);
324      memcpy (er->cw, cta_res + 11, 8);
325      memcpy (er->cw + 8, cta_res + 3, 8);
326      return OK;
327    }
328  }
329  return ERROR;
330}
331
332static int dre_get_emm_type(EMM_PACKET *ep, struct s_reader * rdr)
333{
334  switch (ep->emm[0]) {
335        case 0x87:
336            ep->type = UNIQUE;
337            return TRUE; //FIXME: no filling of ep->hexserial
338
339        case 0x89:
340            ep->type = SHARED;
341            // FIXME: Seems to be that SA is only used with caid 0x4ae1
342            if (rdr->caid == 0x4ae1) {
343                memset(ep->hexserial, 0, 8);
344                memcpy(ep->hexserial, ep->emm + 3, 4);
345                return (!memcmp(&rdr->sa[0][0], ep->emm + 3, 4));
346            }
347            else
348                return TRUE;
349        default:
350            ep->type = UNKNOWN;
351            return TRUE;
352    }
353}
354
355void dre_get_emm_filter(struct s_reader * rdr, uchar *filter)
356{
357    filter[0]=0xFF;
358    filter[1]=3;
359
360    filter[2]=GLOBAL;
361    filter[3]=1; //not active
362
363    //FIXME: Dont now how to filter GLOBAL EMM's
364    filter[4+0]    = 0xFF; //dummy
365    filter[4+0+16] = 0xFF;
366
367
368    filter[36]=SHARED;
369    filter[37]=0;
370
371    filter[38+0]    = 0x89;
372    filter[38+0+16] = 0xFF;
373    // FIXME: Seems to be that SA is only used with caid 0x4ae1
374    if (rdr->caid == 0x4ae1) {
375        memcpy(filter+38+1, &rdr->sa[0][0], 4);
376        memset(filter+38+1+16, 0xFF, 4);
377    }
378
379
380    //FIXME: No filter for hexserial
381    filter[70]=UNIQUE;
382    filter[71]=0;
383
384    filter[72+0]    = 0x87;
385       filter[72+0+16] = 0xFF;
386   
387    return;
388}
389
390static int dre_do_emm (struct s_reader * reader, EMM_PACKET * ep)
391{
392  def_resp;
393
394  cs_ddump_mask(D_READER, ep->emm, ((ep->emm[1] & 0x0f) << 8) + ep->emm[2] + 3, "EMM:");
395
396  if (reader->caid == 0x4ae1) {
397    if(ep->type == UNIQUE && ep->emm[39] == 0x3d)
398    { /* For new package activation. */
399        uchar emmcmd58[26];
400        emmcmd58[0] = 0x58;
401        memcpy(&emmcmd58[1], &ep->emm[40], 24);
402        emmcmd58[25] = 0x15;
403        if ((dre_cmd (emmcmd58)))
404            if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
405                return ERROR;
406    }
407    else
408    {
409        uchar emmcmd52[0x3a];
410        emmcmd52[0] = 0x52;
411        int i;
412        for (i = 0; i < 2; i++) {
413            memcpy (emmcmd52 + 1, ep->emm + 5 + 32 + i * 56, 56);
414            // check for shared address
415            if(ep->emm[3]!=reader->sa[0][0]) 
416                return OK; // ignore, wrong address
417            emmcmd52[0x39] = reader->provider;
418            if ((dre_cmd (emmcmd52)))
419                if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
420                    return ERROR; //exit if response is not 90 00
421        }
422    }
423  }
424  else {
425    uchar emmcmd42[] =
426      { 0x42, 0x85, 0x58, 0x01, 0xC8, 0x00, 0x00, 0x00, 0x05, 0xB8, 0x0C, 0xBD, 0x7B, 0x07, 0x04, 0xC8,
427      0x77, 0x31, 0x95, 0xF2, 0x30, 0xB7, 0xE9, 0xEE, 0x0F, 0x81, 0x39, 0x1C, 0x1F, 0xA9, 0x11, 0x3E,
428      0xE5, 0x0E, 0x8E, 0x50, 0xA4, 0x31, 0xBB, 0x01, 0x00, 0xD6, 0xAF, 0x69, 0x60, 0x04, 0x70, 0x3A,
429      0x91,
430      0x56, 0x58, 0x11
431    };
432        int i;
433        switch (ep->type) {
434            case UNIQUE: 
435            for (i = 0; i < 2; i++) {
436                    memcpy (emmcmd42 + 1, ep->emm + 42 + i*49, 48);
437                    emmcmd42[49] = ep->emm[i*49 + 41]; //keynr
438                    emmcmd42[50] = 0x58 + ep->emm[40]; //package nr
439                emmcmd42[51] = reader->provider;
440                if ((dre_cmd (emmcmd42))) {
441                  if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
442                            return ERROR;       //exit if response is not 90 00
443                    }
444                }
445                break;
446            case SHARED:
447            default:
448            memcpy (emmcmd42 + 1, ep->emm + 6, 48);
449            emmcmd42[51] = reader->provider;
450            //emmcmd42[50] = ecmcmd42[2]; //TODO package nr could also be fixed 0x58
451            emmcmd42[50] = 0x58;
452            emmcmd42[49] = ep->emm[5];  //keynr
453            /* response:
454               59 05 A2 02 05 01 5B
455               90 00 */
456            if ((dre_cmd (emmcmd42))) { //first emm request
457              if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
458                        return ERROR;       //exit if response is not 90 00
459       
460              memcpy (emmcmd42 + 1, ep->emm + 55, 7);   //TODO OR next two lines?
461              /*memcpy (emmcmd42 + 1, ep->emm + 55, 7);  //FIXME either I cant count or my EMM log contains errors
462                 memcpy (emmcmd42 + 8, ep->emm + 67, 41); */
463              emmcmd42[51] = reader->provider;
464              //emmcmd42[50] = ecmcmd42[2]; //TODO package nr could also be fixed 0x58
465              emmcmd42[50] = 0x58;
466              emmcmd42[49] = ep->emm[54];   //keynr
467              if ((dre_cmd (emmcmd42))) {   //second emm request
468                        if ((cta_res[cta_lr - 2] != 0x90) || (cta_res[cta_lr - 1] != 0x00))
469                            return ERROR;       //exit if response is not 90 00
470              }
471            }
472        }
473  }
474  return OK;            //success
475}
476
477static int dre_card_info (void)
478{
479  return OK;
480}
481
482void reader_dre(struct s_cardsystem *ph) 
483{
484    ph->do_emm=dre_do_emm;
485    ph->do_ecm=dre_do_ecm;
486    ph->card_info=dre_card_info;
487    ph->card_init=dre_card_init;
488    ph->get_emm_type=dre_get_emm_type;
489    ph->get_emm_filter=dre_get_emm_filter;
490    ph->caids[0]=0x4A;
491    ph->desc="dre";
492}
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