source: trunk/reader-cryptoworks.c@ 109

Last change on this file since 109 was 96, checked in by polo, 11 years ago

Add card info logging when log file reach MaxLogSize

File size: 16.9 KB
Line 
1#include "globals.h"
2#include "reader-common.h"
3
4static uchar ISK[0x40];
5static uchar cwexp[] = { 1, 0 , 1};
6static BIGNUM exp, ucpk;
7static int ucpk_valid = 0;
8
9extern uchar cta_cmd[], cta_res[];
10extern ushort cta_lr;
11
12#define CMD_LEN 5
13
14void RotateBytes1(unsigned char *out, unsigned char *in, int n)
15{
16 // loop is executed atleast once, so it's not a good idea to
17 // call with n=0 !!
18 out+=n;
19 do { *(--out)=*(in++); } while(--n);
20}
21
22void RotateBytes2(unsigned char *in, int n)
23{
24 // loop is executed atleast once, so it's not a good idea to
25 // call with n=0 !!
26 unsigned char *e=in+n-1;
27 do
28 {
29 unsigned char temp=*in;
30 *in++=*e;
31 *e-- =temp;
32 } while(in<e);
33}
34
35int Input(BIGNUM *d, unsigned char *in, int n, int LE)
36{
37 if (LE)
38 {
39 unsigned char tmp[n];
40 RotateBytes1(tmp,in,n);
41 return(BN_bin2bn(tmp,n,d)!=0);
42 }
43 else
44 return(BN_bin2bn(in,n,d)!=0);
45}
46
47int Output(unsigned char *out, int n, BIGNUM *r, int LE)
48{
49 int s=BN_num_bytes(r);
50 if (s>n)
51 {
52 unsigned char buff[s];
53 cs_debug("rsa: RSA len %d > %d, truncating", s, n);
54 BN_bn2bin(r,buff);
55 memcpy(out,buff+s-n,n);
56 }
57 else if (s<n)
58 {
59 int l=n-s;
60 cs_debug("rsa: RSA len %d < %d, padding", s, n);
61 memset(out,0,l);
62 BN_bn2bin(r,out+l);
63 }
64 else
65 BN_bn2bin(r,out);
66 if (LE)
67 RotateBytes2(out,n);
68 return(s);
69}
70
71int RSA(unsigned char *out, unsigned char *in, int n, BIGNUM *exp, BIGNUM *mod, int LE)
72{
73 int rc=0;
74 BN_CTX *ctx;
75 BIGNUM *r, *d;
76 ctx=BN_CTX_new();
77 r=BN_new();
78 d=BN_new();
79 if (Input(d,in,n,LE))
80 {
81 if(BN_mod_exp(r,d,exp,mod,ctx))
82 rc=Output(out,n,r,LE);
83 else
84 cs_log("rsa: mod-exp failed");
85 }
86 BN_CTX_free(ctx);
87 BN_free(d);
88 BN_free(r);
89 return(rc);
90}
91
92int CheckSctLen(const uchar *data, int off)
93{
94 int l=SCT_LEN(data);
95 if (l+off > MAX_LEN)
96 {
97 cs_debug("smartcard: section too long %d > %d", l, MAX_LEN-off);
98 l=-1;
99 }
100 return(l);
101}
102
103static int card_write(uchar *cmd, uchar *data, int wflag)
104{
105 int l;
106 uchar buf[MAX_LEN];
107 memcpy(buf, cmd, CMD_LEN);
108 l=wflag ? cmd[4] : 0;
109 if (l && data)
110 memcpy(buf+CMD_LEN, data, l);
111 l=reader_cmd2icc(buf, CMD_LEN+l);
112 return(l);
113}
114
115#define write_cmd(cmd, data) \
116{ \
117 if (card_write(cmd, data, 1)) return(0); \
118}
119
120#define read_cmd(cmd, data) \
121{ \
122 if (card_write(cmd, data, 0)) return(0); \
123}
124
125static char *chid_date(uchar *ptr, char *buf, int l)
126{
127 if (buf)
128 {
129 snprintf(buf, l, "%04d/%02d/%02d",
130 1990+(ptr[0]>>1), ((ptr[0]&1)<<3)|(ptr[1]>>5), ptr[1]&0x1f);
131 }
132 return(buf);
133}
134
135static int select_file(uchar f1, uchar f2)
136{
137 uchar insA4[] = {0xA4, 0xA4, 0x00, 0x00, 0x02, 0x00, 0x00};
138 insA4[5]=f1;
139 insA4[6]=f2;
140 write_cmd(insA4, insA4+5); // select file
141 return((cta_res[0]==0x9f)&&(cta_res[1]==0x11));
142}
143
144static int read_record(uchar rec)
145{
146 uchar insA2[] = {0xA4, 0xA2, 0x00, 0x00, 0x01, 0x00};
147 uchar insB2[] = {0xA4, 0xB2, 0x00, 0x00, 0x00};
148
149 insA2[5]=rec;
150 write_cmd(insA2, insA2+5); // select record
151 if (cta_res[0]!=0x9f)
152 return(-1);
153 insB2[4]=cta_res[1]; // get len
154 read_cmd(insB2, NULL); // read record
155 if ((cta_res[cta_lr-2]!=0x90) || (cta_res[cta_lr-1]))
156 return(-1);
157 return(cta_lr-2);
158}
159
160int cryptoworks_send_pin(void)
161{
162 unsigned char insPIN[] = { 0xA4, 0x20, 0x00, 0x00, 0x04, 0x00,0x00,0x00,0x00 }; //Verify PIN
163
164 if(reader[ridx].pincode[0] && (reader[ridx].pincode[0]&0xF0)==0x30)
165 {
166 memcpy(insPIN+5,reader[ridx].pincode,4);
167
168 write_cmd(insPIN, insPIN+5);
169 cs_ri_log("[cryptoworks]-sending pincode to card");
170 if((cta_res[0]==0x98)&&(cta_res[1]==0x04)) cs_ri_log("[cryptoworks]-bad pincode");
171
172 return(1);
173 }
174
175 return(0);
176}
177
178int cryptoworks_disbale_pin(void)
179{
180 unsigned char insPIN[] = { 0xA4, 0x26, 0x00, 0x00, 0x04, 0x00,0x00,0x00,0x00 }; //disable PIN
181
182 if(reader[ridx].pincode[0] && (reader[ridx].pincode[0]&0xF0)==0x30)
183 {
184 memcpy(insPIN+5,reader[ridx].pincode,4);
185
186 write_cmd(insPIN, insPIN+5);
187 cs_ri_log("[cryptoworks]-disable pincode to card");
188 if((cta_res[0]==0x98)&&(cta_res[1]==0x04)) cs_ri_log("[cryptoworks]-bad pincode");
189 return(1);
190 }
191
192 return(0);
193}
194
195int cryptoworks_card_init(uchar *atr, int atrsize)
196{
197 int i;
198 unsigned int mfid=0x3F20;
199 uchar insA4C[]= {0xA4, 0xC0, 0x00, 0x00, 0x11};
200 uchar insB8[] = {0xA4, 0xB8, 0x00, 0x00, 0x0c};
201 uchar issuerid=0;
202 char issuer[20]={0};
203 char *unknown="unknown", *pin=unknown, ptxt[CS_MAXPROV<<2]={0};
204
205 if ((atr[6]!=0xC4) || (atr[9]!=0x8F) || (atr[10]!=0xF1)) return(0);
206
207 reader[ridx].caid[0]=0xD00;
208 reader[ridx].nprov=0;
209 memset(reader[ridx].prid, 0, sizeof(reader[ridx].prid));
210
211 read_cmd(insA4C, NULL); // read masterfile-ID
212 if ((cta_res[0]==0xDF) && (cta_res[1]>=6))
213 mfid=(cta_res[6]<<8)|cta_res[7];
214
215 select_file(0x3f, 0x20);
216 insB8[2]=insB8[3]=0; // first
217 for(cta_res[0]=0xdf; cta_res[0]==0xdf;)
218 {
219 read_cmd(insB8, NULL); // read provider id's
220 if (cta_res[0]!=0xdf) break;
221 if (((cta_res[4]&0x1f)==0x1f) && (reader[ridx].nprov<CS_MAXPROV))
222 {
223 sprintf(ptxt+strlen(ptxt), ",%02X", cta_res[5]);
224 reader[ridx].prid[reader[ridx].nprov++][3]=cta_res[5];
225 }
226 insB8[2]=insB8[3]=0xff; // next
227 }
228 for (i=reader[ridx].nprov; i<CS_MAXPROV; i++)
229 memset(&reader[ridx].prid[i][0], 0xff, 4);
230
231 select_file(0x2f, 0x01); // read caid
232 if (read_record(0xD1)>=4)
233 reader[ridx].caid[0]=(cta_res[2]<<8)|cta_res[3];
234
235 if (read_record(0x80)>=7) // read serial
236 memcpy(reader[ridx].hexserial, cta_res+2, 5);
237 cs_ri_log("type: cryptoworks, caid: %04X, ascii serial: %llu, hex serial: %s",
238 reader[ridx].caid[0], b2ll(5, reader[ridx].hexserial),cs_hexdump(0, reader[ridx].hexserial, 5));
239
240 if (read_record(0x9E)>=66) // read ISK
241 {
242 uchar keybuf[256];
243 BIGNUM *ipk;
244 if (search_boxkey(reader[ridx].caid[0], 0, (char *)keybuf))
245 {
246 ipk=BN_new();
247 BN_bin2bn(cwexp, sizeof(cwexp), &exp);
248 BN_bin2bn(keybuf, 64, ipk);
249 RSA(cta_res+2, cta_res+2, 0x40, &exp, ipk, 0);
250 BN_free(ipk);
251 if (ucpk_valid=(cta_res[2]==((mfid & 0xFF)>>1)))
252 {
253 cta_res[2]|=0x80;
254 BN_bin2bn(cta_res+2, 0x40, &ucpk);
255 cs_ddump(cta_res+2, 0x40, "IPK available -> session-key:");
256 }
257 else
258 {
259 if (ucpk_valid=(keybuf[0]==(((mfid & 0xFF)>>1)|0x80)))
260 {
261 BN_bin2bn(keybuf, 0x40, &ucpk);
262 cs_ddump(keybuf, 0x40, "session-key found:");
263 }
264 else
265 cs_log("invalid IPK or session-key for CAID %04X !", reader[ridx].caid[0]);
266 }
267 }
268 }
269 if (read_record(0x9F)>=3)
270 issuerid=cta_res[2];
271 if (read_record(0xC0)>=16)
272 {
273 strncpy(issuer, (const char *)cta_res+2, sizeof(issuer)-1);
274 trim(issuer);
275 }
276 else
277 strcpy(issuer, unknown);
278
279 select_file(0x3f, 0x20);
280 select_file(0x2f, 0x11); // read pin
281 if (read_record(atr[8])>=7)
282 {
283 cta_res[6]=0;
284 pin=(char *)cta_res+2;
285 }
286 cs_ri_log("issuer: %s, id: %02X, bios: v%d, pin: %s, mfid: %04X", issuer, issuerid, atr[7], pin, mfid);
287 cs_ri_log("providers: %d (%s)", reader[ridx].nprov, ptxt+1);
288 cs_log("ready for requests");
289
290 cryptoworks_disbale_pin(); //by KrazyIvan
291
292 return(1);
293}
294
295#ifdef LALL
296bool cSmartCardCryptoworks::Decode(const cEcmInfo *ecm, const unsigned char *data, unsigned char *cw)
297{
298 static unsigned char ins4c[] = { 0xA4,0x4C,0x00,0x00,0x00 };
299
300 unsigned char nanoD4[10];
301 int l=CheckSctLen(data,-5+(ucpkValid ? sizeof(nanoD4):0));
302 if(l>5) {
303 unsigned char buff[MAX_LEN];
304 if(ucpkValid) {
305 memcpy(buff,data,l);
306 nanoD4[0]=0xD4;
307 nanoD4[1]=0x08;
308 for(unsigned int i=2; i<sizeof(nanoD4); i++) nanoD4[i]=rand();
309 memcpy(&buff[l],nanoD4,sizeof(nanoD4));
310 data=buff; l+=sizeof(nanoD4);
311 }
312 ins4c[3]=ucpkValid ? 2 : 0;
313 ins4c[4]=l-5;
314 if(IsoWrite(ins4c,&data[5]) && Status() &&
315 (l=GetLen())>0 && ReadData(buff,l)==l) {
316 int r=0;
317 for(int i=0; i<l && r<2; ) {
318 int n=buff[i+1];
319 switch(buff[i]) {
320 case 0x80:
321 de(printf("smartcardcryptoworks: nano 80 (serial)\n"))
322 break;
323 case 0xD4:
324 de(printf("smartcardcryptoworks: nano D4 (rand)\n"))
325 if(n<8 || memcmp(&buff[i],nanoD4,sizeof(nanoD4)))
326 di(printf("smartcardcryptoworks: random data check failed after decrypt\n"))
327 break;
328 case 0xDB: // CW
329 de(printf("smartcardcryptoworks: nano DB (cw)\n"))
330 if(n==0x10) {
331 memcpy(cw,&buff[i+2],16);
332 r|=1;
333 }
334 break;
335 case 0xDF: // signature
336 de(printf("smartcardcryptoworks: nano DF %02x (sig)\n",n))
337 if(n==0x08) {
338 if((buff[i+2]&0x50)==0x50 && !(buff[i+3]&0x01) && (buff[i+5]&0x80))
339 r|=2;
340 }
341 else if(n==0x40) { // camcrypt
342 if(ucpkValid) {
343 RSA(&buff[i+2],&buff[i+2],n,exp,ucpk,false);
344 de(printf("smartcardcryptoworks: after camcrypt "))
345 de(HexDump(&buff[i+2],n))
346 r=0; l=n-4; n=4;
347 }
348 else {
349 di(printf("smartcardcryptoworks: valid UCPK needed for camcrypt!\n"))
350 return false;
351 }
352 }
353 break;
354 default:
355 de(printf("smartcardcryptoworks: nano %02x (unhandled)\n",buff[i]))
356 break;
357 }
358 i+=n+2;
359 }
360 return r==3;
361 }
362 }
363 return false;
364}
365#endif
366
367int cryptoworks_do_ecm(ECM_REQUEST *er)
368{
369 int rc=0;
370 int r=0;
371 static unsigned char ins4C[] = { 0xA4,0x4C,0x00,0x00,0x00 };
372 static unsigned char insC0[] = { 0xA4,0xC0,0x00,0x00,0x1C };
373 unsigned char nanoD4[10];
374 int secLen=CheckSctLen(er->ecm,-5+(ucpk_valid ? sizeof(nanoD4):0));
375
376 if(secLen>5)
377 {
378 int i;
379 uchar *ecm=er->ecm;
380 uchar buff[MAX_LEN];
381
382 if(ucpk_valid)
383 {
384 memcpy(buff,er->ecm,secLen);
385 nanoD4[0]=0xD4;
386 nanoD4[1]=0x08;
387 for (i=2; i<sizeof(nanoD4); i++)
388 nanoD4[i]=rand();
389 memcpy(&buff[secLen], nanoD4, sizeof(nanoD4));
390 ecm=buff;
391 secLen+=sizeof(nanoD4);
392 }
393
394 ins4C[3]=ucpk_valid ? 2 : 0;
395 ins4C[4]=secLen-5;
396 write_cmd(ins4C, ecm+5);
397 if (cta_res[cta_lr-2]==0x9f)
398 {
399 insC0[4]=cta_res[cta_lr-1];
400 read_cmd(insC0, NULL);
401 for(i=0; i<secLen && r<2; )
402 {
403 int n=cta_res[i+1];
404 switch(cta_res[i])
405 {
406 case 0x80:
407 cs_debug("cryptoworks: nano 80 (serial)");
408 break;
409 case 0xD4:
410 cs_debug("smartcardcryptoworks: nano D4 (rand)");
411 if(n<8 || memcmp(&cta_res[i],nanoD4,sizeof(nanoD4)))
412 cs_debug("cryptoworks: random data check failed after decrypt");
413 break;
414 case 0xDB: // CW
415 cs_debug("smartcardcryptoworks: nano DB (cw)");
416 if(n==0x10)
417 {
418 memcpy(er->cw, &cta_res[i+2], 16);
419 r|=1;
420 }
421 break;
422 case 0xDF: // signature
423 cs_debug("cryptoworks: nano DF %02x (sig)", n);
424 if (n==0x08)
425 {
426 if((cta_res[i+2]&0x50)==0x50 && !(cta_res[i+3]&0x01) && (cta_res[i+5]&0x80))
427 r|=2;
428 }
429 else if (n==0x40) // camcrypt
430 {
431 if(ucpk_valid)
432 {
433 RSA(&cta_res[i+2],&cta_res[i+2], n, &exp, &ucpk, 0);
434 cs_debug("smartcardcryptoworks: after camcrypt ");
435 r=0; secLen=n-4; n=4;
436 }
437 else
438 {
439 cs_log("cryptoworks: valid UCPK needed for camcrypt!");
440 return(0);
441 }
442 }
443 break;
444 default:
445 cs_debug("smartcardcryptoworks: nano %02x (unhandled)",cta_res[i]);
446 break;
447 }
448 i+=n+2;
449 }
450 }
451
452#ifdef LALL
453########################################################################
454 if ((cta_res[cta_lr-2]==0x9f)&&(cta_res[cta_lr-1]==0x1c))
455 {
456 read_cmd(insC0, NULL);
457 if ((cta_lr>26)&&(cta_res[cta_lr-2]==0x90)&&(cta_res[cta_lr-1]==0))
458 {
459 if (rc=(((cta_res[20]&0x50)==0x50) &&
460 (!(cta_res[21]&0x01)) &&
461 (cta_res[23]&0x80)))
462 memcpy(er->cw, cta_res+2, 16);
463 }
464 }
465#endif
466 }
467// return(rc ? 1 : 0);
468 return((r==3) ? 1 : 0);
469}
470
471int cryptoworks_do_emm(EMM_PACKET *ep)
472{
473 uchar insEMM_GA[] = {0xA4, 0x44, 0x00, 0x00, 0x00};
474 uchar insEMM_SA[] = {0xA4, 0x48, 0x00, 0x00, 0x00};
475 uchar insEMM_UA[] = {0xA4, 0x42, 0x00, 0x00, 0x00};
476 int rc=0;
477 uchar *emm=ep->emm;
478
479 /* this original
480 if ((emm[0]==0x8f) && (emm[3]==0xa4)) // emm via camd3.5x
481 {
482 ep->type=emm[4];
483 write_cmd(emm+3, emm+3+CMD_LEN);
484 if ((cta_lr==2) && (cta_res[0]==0x90) && (cta_res[1]==0))
485 rc=1;
486 }
487 */
488
489 //by KrazyIvan
490 ep->type=emm[0];
491 //cs_log("EMM Dump:..: %s",cs_hexdump(1, emm, emm[2]));
492 switch(emm[0])
493 {
494 // emm via camd3.5x
495 case 0x8F:
496 if(emm[3]==0xA4)
497 {
498 ep->type=emm[4];
499 //cs_log("EMM Dump: CMD: %s", cs_hexdump(1, emm+3, 5));
500 //cs_log("EMM Dump: DATA: %s",cs_hexdump(1, emm+8, emm[7]));
501 write_cmd(emm+3, emm+3+CMD_LEN);
502 rc=((cta_res[0]==0x90)&&(cta_res[1]==0x00));
503 }
504 break;
505
506 //GA
507 case 0x88:
508 case 0x89:
509 if(emm[3]==0xA9 && emm[4]==0xFF && emm[8]==0x83 && emm[9]==0x01)
510 {
511 ep->type=insEMM_GA[1];
512 insEMM_GA[4]=ep->emm[2]-2;
513 //cs_log("EMM Dump: CMD: %s", cs_hexdump(1, insEMM_GA, 5));
514 //cs_log("EMM Dump: DATA: %s",cs_hexdump(1, emm+5, insEMM_GA[4]));
515 //cs_log("EMM Dump: IF: %02X == %02X",emm[7],(insEMM_GA[4]-3));
516
517 if(emm[7]==insEMM_GA[4]-3)
518 {
519 write_cmd(insEMM_GA, emm+5);
520 rc=((cta_res[0]==0x90)&&(cta_res[1]==0x00));
521 }
522 }
523 break;
524
525 //SA
526 case 0x84:
527 if(emm[3]==0xA9 && emm[4]==0xFF && emm[12]==0x80 && emm[13]==0x04)
528 {
529 ep->type=insEMM_SA[1];
530 insEMM_SA[4]=ep->emm[2]-6;
531 //cs_log("EMM Dump: CMD: %s", cs_hexdump(1, insEMM_SA, 5));
532 //cs_log("EMM Dump: DATA: %s",cs_hexdump(1, emm+9, insEMM_SA[4]));
533 //cs_log("EMM Dump: IF: %02X == %02X",emm[11],(insEMM_SA[4]-3));
534
535 if(emm[11]==insEMM_SA[4]-3)
536 {
537 write_cmd(insEMM_SA, emm+9);
538 rc=((cta_res[0]==0x90)&&(cta_res[1]==0x00));
539 }
540 }
541 break;
542
543 //UA
544 case 0x82:
545 if(emm[3]==0xA9 && emm[4]==0xFF && emm[13]==0x80 && emm[14]==0x05)
546 {
547 ep->type=insEMM_UA[1];
548 insEMM_UA[4]=ep->emm[2]-7;
549 //cs_log("EMM Dump: CMD: %s", cs_hexdump(1, insEMM_UA, 5));
550 //cs_log("EMM Dump: DATA: %s",cs_hexdump(1, emm+10, insEMM_UA[4]));
551 //cs_log("EMM Dump: IF: %02X == %02X",emm[12],(insEMM_UA[4]-3));
552
553 if(emm[12]==insEMM_UA[4]-3)
554 {
555 //cryptoworks_send_pin(); //?? may be
556 write_cmd(insEMM_UA, emm+10);
557 rc=((cta_res[0]==0x90)&&(cta_res[1]==0x00));
558 }
559 }
560 break;
561 }
562
563 return(rc);
564}
565
566int cryptoworks_card_info(void)
567{
568 int i;
569 uchar insA21[]= {0xA4, 0xA2, 0x01, 0x00, 0x05, 0x8C, 0x00, 0x00, 0x00, 0x00};
570 uchar insB2[] = {0xA4, 0xB2, 0x00, 0x00, 0x00};
571 char l_name[20+8]=", name: ";
572 cs_log("card detected");
573 cs_log("type: cryptoworks");
574
575 for (i=0; i<reader[ridx].nprov; i++)
576 {
577 l_name[8]=0;
578 select_file(0x1f, reader[ridx].prid[i][3]); // select provider
579 select_file(0x0e, 0x11); // read provider name
580 if (read_record(0xD6)>=16)
581 {
582 strncpy(l_name+8, (const char *)cta_res+2, sizeof(l_name)-9);
583 l_name[sizeof(l_name)]=0;
584 trim(l_name+8);
585 }
586 l_name[0]=(l_name[8]) ? ',' : 0;
587 cs_ri_log("provider: %d, id: %02X%s", i+1, reader[ridx].prid[i][3], l_name);
588 select_file(0x0f, 0x20); // select provider class
589 write_cmd(insA21, insA21+5);
590 if (cta_res[0]==0x9f)
591 {
592 insB2[4]=cta_res[1];
593 for(insB2[3]=0; (cta_res[0]!=0x94)||(cta_res[1]!=0x2); insB2[3]=1)
594 {
595 read_cmd(insB2, NULL); // read chid
596 if (cta_res[0]!=0x94)
597 {
598 char ds[16], de[16];
599 chid_date(cta_res+28, ds, sizeof(ds)-1);
600 chid_date(cta_res+30, de, sizeof(de)-1);
601 cs_ri_log("chid: %02X%02X, date: %s - %s, name: %s",
602 cta_res[6], cta_res[7], ds, de, trim((char *) cta_res+10));
603 }
604 }
605 }
606 //================================================================================
607 //by KrazyIvan
608 select_file(0x0f, 0x00); // select provider channel
609 write_cmd(insA21, insA21+5);
610 if (cta_res[0]==0x9f)
611 {
612 insB2[4]=cta_res[1];
613 for(insB2[3]=0; (cta_res[0]!=0x94)||(cta_res[1]!=0x2); insB2[3]=1)
614 {
615 read_cmd(insB2, NULL); // read chid
616 if (cta_res[0]!=0x94)
617 {
618 char ds[16], de[16];
619 chid_date(cta_res+28, ds, sizeof(ds)-1);
620 chid_date(cta_res+30, de, sizeof(de)-1);
621 cta_res[27]=0;
622 cs_ri_log("chid: %02X%02X, date: %s - %s, name: %s",
623 cta_res[6], cta_res[7], ds, de, trim((char *)cta_res+10));
624 }
625 }
626 }
627 //================================================================================
628
629 }
630
631 reader[ridx].online = 1;
632
633 return(1);
634}
Note: See TracBrowser for help on using the repository browser.