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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.5 by root, Fri Apr 19 23:50:53 2019 UTC vs.
Revision 1.26 by root, Sun Apr 21 10:42:22 2019 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5// C99 required 5// C99 required!
6// this is not just for comments, but also for
7// integer constant semantics,
8// sscanf format modifiers and more.
6 9
7enum { 10enum {
8 // ASN_TAG 11 // ASN_TAG
9 ASN_BOOLEAN = 0x01, 12 ASN_BOOLEAN = 0x01,
10 ASN_INTEGER32 = 0x02, 13 ASN_INTEGER = 0x02,
11 ASN_BIT_STRING = 0x03, 14 ASN_BIT_STRING = 0x03,
12 ASN_OCTET_STRING = 0x04, 15 ASN_OCTET_STRING = 0x04,
13 ASN_NULL = 0x05, 16 ASN_NULL = 0x05,
14 ASN_OBJECT_IDENTIFIER = 0x06, 17 ASN_OBJECT_IDENTIFIER = 0x06,
15 ASN_OID = 0x06, //X 18 ASN_OID = 0x06,
16 ASN_OBJECT_DESCRIPTOR = 0x07, //X 19 ASN_OBJECT_DESCRIPTOR = 0x07,
17 ASN_EXTERNAL = 0x08, //X 20 ASN_EXTERNAL = 0x08,
18 ASN_REAL = 0x09, //X 21 ASN_REAL = 0x09,
19 ASN_ENUMERATED = 0x0a, //X 22 ASN_ENUMERATED = 0x0a,
20 ASN_EMBEDDED_PDV = 0x0b, //X 23 ASN_EMBEDDED_PDV = 0x0b,
21 ASN_UTF8_STRING = 0x0c, //X 24 ASN_UTF8_STRING = 0x0c,
22 ASN_RELATIVE_OID = 0x0d, //X 25 ASN_RELATIVE_OID = 0x0d,
23 ASN_SEQUENCE = 0x10, 26 ASN_SEQUENCE = 0x10,
24 ASN_SET = 0x11, //X 27 ASN_SET = 0x11,
25 ASN_NUMERIC_STRING = 0x12, //X 28 ASN_NUMERIC_STRING = 0x12,
26 ASN_PRINTABLE_STRING = 0x13, //X 29 ASN_PRINTABLE_STRING = 0x13,
27 ASN_TELETEX_STRING = 0x14, //X 30 ASN_TELETEX_STRING = 0x14,
28 ASN_T61_STRING = 0x14, //X 31 ASN_T61_STRING = 0x14,
29 ASN_VIDEOTEX_STRING = 0x15, //X 32 ASN_VIDEOTEX_STRING = 0x15,
30 ASN_IA5_STRING = 0x16, //X 33 ASN_IA5_STRING = 0x16,
31 ASN_ASCII_STRING = 0x16, //X 34 ASN_ASCII_STRING = 0x16,
32 ASN_UTC_TIME = 0x17, //X 35 ASN_UTC_TIME = 0x17,
33 ASN_GENERALIZED_TIME = 0x18, //X 36 ASN_GENERALIZED_TIME = 0x18,
34 ASN_GRAPHIC_STRING = 0x19, //X 37 ASN_GRAPHIC_STRING = 0x19,
35 ASN_VISIBLE_STRING = 0x1a, //X 38 ASN_VISIBLE_STRING = 0x1a,
36 ASN_ISO646_STRING = 0x1a, //X 39 ASN_ISO646_STRING = 0x1a,
37 ASN_GENERAL_STRING = 0x1b, //X 40 ASN_GENERAL_STRING = 0x1b,
38 ASN_UNIVERSAL_STRING = 0x1c, //X 41 ASN_UNIVERSAL_STRING = 0x1c,
39 ASN_CHARACTER_STRING = 0x1d, //X 42 ASN_CHARACTER_STRING = 0x1d,
40 ASN_BMP_STRING = 0x1e, //X 43 ASN_BMP_STRING = 0x1e,
41 44
42 ASN_TAG_BER = 0x1f, 45 ASN_TAG_BER = 0x1f,
43 ASN_TAG_MASK = 0x1f, 46 ASN_TAG_MASK = 0x1f,
44 47
45 // primitive/constructed 48 // primitive/constructed
55 ASN_CLASS_SHIFT = 6, 58 ASN_CLASS_SHIFT = 6,
56 59
57 // ASN_APPLICATION SNMP 60 // ASN_APPLICATION SNMP
58 SNMP_IPADDRESS = 0x00, 61 SNMP_IPADDRESS = 0x00,
59 SNMP_COUNTER32 = 0x01, 62 SNMP_COUNTER32 = 0x01,
63 SNMP_GAUGE32 = 0x02,
60 SNMP_UNSIGNED32 = 0x02, 64 SNMP_UNSIGNED32 = 0x02,
61 SNMP_TIMETICKS = 0x03, 65 SNMP_TIMETICKS = 0x03,
62 SNMP_OPAQUE = 0x04, 66 SNMP_OPAQUE = 0x04,
63 SNMP_COUNTER64 = 0x06, 67 SNMP_COUNTER64 = 0x06,
64}; 68};
72 BER_TYPE_OID, 76 BER_TYPE_OID,
73 BER_TYPE_RELOID, 77 BER_TYPE_RELOID,
74 BER_TYPE_NULL, 78 BER_TYPE_NULL,
75 BER_TYPE_BOOL, 79 BER_TYPE_BOOL,
76 BER_TYPE_REAL, 80 BER_TYPE_REAL,
81 BER_TYPE_IPADDRESS,
77 BER_TYPE_CROAK, 82 BER_TYPE_CROAK,
78}; 83};
79 84
80enum { 85enum {
81 BER_CLASS = 0, 86 BER_CLASS = 0,
82 BER_TAG = 1, 87 BER_TAG = 1,
83 BER_CONSTRUCTED = 2, 88 BER_FLAGS = 2,
84 BER_DATA = 3, 89 BER_DATA = 3,
85 BER_ARRAYSIZE 90 BER_ARRAYSIZE
86}; 91};
87 92
88#define MAX_OID_STRLEN 4096 93#define MAX_OID_STRLEN 4096
89 94
90typedef void profile_type; 95typedef void profile_type;
91 96
92static profile_type *cur_profile, *default_profile; 97static profile_type *cur_profile, *default_profile;
93static SV *buf_sv; // encoding buffer 98static SV *buf_sv; // encoding buffer
94static U8 *buf, *cur, *end; // buffer start, current, end 99static U8 *buf, *cur, *end; // buffer start, current, end
100
101#if PERL_VERSION < 18
102# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
103#endif
95 104
96#if __GNUC__ >= 3 105#if __GNUC__ >= 3
97# define expect(expr,value) __builtin_expect ((expr), (value)) 106# define expect(expr,value) __builtin_expect ((expr), (value))
98# define INLINE static inline 107# define INLINE static inline
99#else 108#else
129 138
130static profile_type * 139static profile_type *
131SvPROFILE (SV *profile) 140SvPROFILE (SV *profile)
132{ 141{
133 if (!SvOK (profile)) 142 if (!SvOK (profile))
134 profile = default_profile; 143 return default_profile;
135 144
136 if (!SvROK (profile)) 145 if (!SvROK (profile))
137 croak ("invalid profile"); 146 croak ("Convert::BER::XS::Profile expected");
138 147
139 profile = SvRV (profile); 148 profile = SvRV (profile);
140 149
141 if (SvSTASH (profile) != profile_stash) 150 if (SvSTASH (profile) != profile_stash)
142 croak ("invalid profile object"); 151 croak ("Convert::BER::XS::Profile expected");
143 152
144 return (void *)profile; 153 return (void *)profile;
145} 154}
146 155
147static int 156static int
154 return BER_TYPE_BYTES; 163 return BER_TYPE_BYTES;
155 164
156 return SvPVX (sv)[idx]; 165 return SvPVX (sv)[idx];
157} 166}
158 167
159static int 168static void
160profile_set (profile_type *profile, int klass, int tag, int type) 169profile_set (profile_type *profile, int klass, int tag, int type)
161{ 170{
162 SV *sv = (SV *)profile; 171 SV *sv = (SV *)profile;
163 U32 idx = (tag << 2) + klass; 172 U32 idx = (tag << 2) + klass;
164 STRLEN oldlen = SvCUR (sv); 173 STRLEN oldlen = SvCUR (sv);
173 182
174 SvPVX (sv)[idx] = type; 183 SvPVX (sv)[idx] = type;
175} 184}
176 185
177static SV * 186static SV *
178profile_new () 187profile_new (void)
179{ 188{
180 SV *sv = newSVpvn ("", 0); 189 SV *sv = newSVpvn ("", 0);
181 190
182 static const struct { 191 static const struct {
183 int klass; 192 int klass;
184 int tag; 193 int tag;
185 int type; 194 int type;
186 } *celem, default_map[] = { 195 } *celem, default_map[] = {
187 { ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, 196 { ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
188 { ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT }, 197 { ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
189 { ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, 198 { ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
190 { ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, 199 { ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
191 { ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID },
192 { ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, 200 { ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
193 { ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, 201 { ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
202 { ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
194 { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, 203 { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
195 { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, 204 { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
196 { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, 205 { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
197 }; 206 };
198 207
199 //const_iv (SNMP_IPADDRESS)
200 //const_iv (SNMP_COUNTER32)
201 //const_iv (SNMP_UNSIGNED32)
202 //const_iv (SNMP_TIMETICKS)
203 //const_iv (SNMP_OPAQUE)
204 //const_iv (SNMP_COUNTER64)
205
206 for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--) 208 for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
207 profile_set ((void *)sv, celem->klass, celem->tag, celem->type); 209 profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
208 210
209 return sv_bless (newRV_noinc (sv), profile_stash); 211 return sv_bless (newRV_noinc (sv), profile_stash);
210} 212}
211 213
212///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
225 error ("unexpected end of message buffer"); 227 error ("unexpected end of message buffer");
226} 228}
227 229
228// get_* functions fetch something from the buffer 230// get_* functions fetch something from the buffer
229// decode_* functions use get_* fun ctions to decode ber values 231// decode_* functions use get_* fun ctions to decode ber values
232
233// get single octet
234static U8
235get_u8 (void)
236{
237 if (cur == end)
238 error ("unexpected end of message buffer");
239
240 return *cur++;
241}
230 242
231// get n octets 243// get n octets
232static U8 * 244static U8 *
233get_n (UV count) 245get_n (UV count)
234{ 246{
236 U8 *res = cur; 248 U8 *res = cur;
237 cur += count; 249 cur += count;
238 return res; 250 return res;
239} 251}
240 252
241// get single octet
242static U8
243get_u8 (void)
244{
245 if (cur == end)
246 error ("unexpected end of message buffer");
247
248 return *cur++;
249}
250
251// get ber-encoded integer (i.e. pack "w") 253// get ber-encoded integer (i.e. pack "w")
252static U32 254static UV
253get_w (void) 255get_w (void)
254{ 256{
255 U32 res = 0; 257 UV res = 0;
258 U8 c = get_u8 ();
259
260 if (expect_false (c == 0x80))
261 error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)");
256 262
257 for (;;) 263 for (;;)
258 { 264 {
259 U8 c = get_u8 (); 265 if (expect_false (res >> UVSIZE * 8 - 7))
266 error ("BER variable length integer overflow");
267
260 res = (res << 7) | (c & 0x7f); 268 res = (res << 7) | (c & 0x7f);
261 269
262 if (!(c & 0x80)) 270 if (!(c & 0x80))
263 return res; 271 return res;
264 }
265}
266 272
273 c = get_u8 ();
274 }
275}
276
267static U32 277static UV
268get_length (void) 278get_length (void)
269{ 279{
270 U32 res = get_u8 (); 280 UV res = get_u8 ();
271 281
272 if (res & 0x80) 282 if (res & 0x80)
273 { 283 {
274 int cnt = res & 0x7f; 284 int cnt = res & 0x7f;
275 res = 0; 285 res = 0;
276 286
277 switch (cnt) 287 switch (cnt)
278 { 288 {
279 case 0: 289 case 0:
280 error ("indefinite ASN.1 lengths not supported"); 290 error ("indefinite BER value lengths not supported");
281 return 0; 291
292 case 0x7f:
293 error ("BER reserved value in length (X.690 8.1.3.5)");
282 294
283 default: 295 default:
284 error ("ASN.1 length too long"); 296 error ("BER value length too long (must fit into UV)");
285 return 0;
286 297
298#if UVSIZE > 4
299 case 8: res = (res << 8) | get_u8 ();
300 case 7: res = (res << 8) | get_u8 ();
301 case 6: res = (res << 8) | get_u8 ();
302 case 5: res = (res << 8) | get_u8 ();
303#endif
287 case 4: res = (res << 8) | get_u8 (); 304 case 4: res = (res << 8) | get_u8 ();
288 case 3: res = (res << 8) | get_u8 (); 305 case 3: res = (res << 8) | get_u8 ();
289 case 2: res = (res << 8) | get_u8 (); 306 case 2: res = (res << 8) | get_u8 ();
290 case 1: res = (res << 8) | get_u8 (); 307 case 1: res = (res << 8) | get_u8 ();
291 } 308 }
293 310
294 return res; 311 return res;
295} 312}
296 313
297static SV * 314static SV *
298decode_int () 315decode_int (void)
299{ 316{
300 int len = get_length (); 317 UV len = get_length ();
301 318
302 if (len <= 0) 319 if (!len)
303 { 320 error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
304 error ("integer length equal to zero");
305 return 0;
306 }
307 321
308 U8 *data = get_n (len); 322 U8 *data = get_n (len);
309 323
324 if (expect_false (len > 1))
325 {
326 U16 mask = (data [0] << 8) | data [1] & 0xff80;
327
328 if (expect_false (mask == 0xff80 || mask == 0x0000))
329 error ("illegal padding in BER_TYPE_INT (X.690 8.3.2)");
330 }
331
310 int negative = data [0] & 0x80; 332 int negative = data [0] & 0x80;
311 333
312 UV val = negative ? -1 : 0; // copy signbit to all bits 334 UV val = negative ? -1 : 0; // copy signbit to all bits
335
336 if (len > UVSIZE + (!negative && !*data))
337 error ("BER_TYPE_INT overflow");
313 338
314 do 339 do
315 val = (val << 8) | *data++; 340 val = (val << 8) | *data++;
316 while (--len); 341 while (--len);
317 342
318 // the cats to IV relies on implementation-defined behaviour (two's complement cast) 343 // the cast to IV relies on implementation-defined behaviour (two's complement cast)
319 // but that's ok, as perl relies on it as well. 344 // but that's ok, as perl relies on it as well.
320 return negative ? newSViv ((IV)val) : newSVuv (val); 345 return negative ? newSViv ((IV)val) : newSVuv (val);
321} 346}
322 347
323static SV * 348static SV *
324decode_data (void) 349decode_data (void)
325{ 350{
326 U32 len = get_length (); 351 UV len = get_length ();
327 U8 *data = get_n (len);
328 return newSVpvn ((char *)data, len); 352 return newSVpvn ((char *)get_n (len), len);
329} 353}
330 354
331// gelper for decode_object_identifier 355// helper for decode_object_identifier
332static char * 356static char *
333write_uv (char *buf, U32 u) 357write_uv (char *buf, UV u)
334{ 358{
335 // the one-digit case is absolutely predominant, so this pays off (hopefully) 359 // the one-digit case is absolutely predominant, so this pays off (hopefully)
336 if (expect_true (u < 10)) 360 if (expect_true (u < 10))
337 *buf++ = u + '0'; 361 *buf++ = u + '0';
338 else 362 else
339 { 363 {
364 // this *could* be done much faster using branchless fixed-point arithmetics
340 char *beg = buf; 365 char *beg = buf;
341 366
342 do 367 do
343 { 368 {
344 *buf++ = u % 10 + '0'; 369 *buf++ = u % 10 + '0';
345 u /= 10; 370 u /= 10;
346 } 371 }
347 while (u); 372 while (u);
348 373
349 // reverse digits 374 // reverse digits
350 for (char *ptr = buf; --ptr != beg; ++beg) 375 char *ptr = buf;
376 while (--ptr > beg)
351 { 377 {
352 char c = *ptr; 378 char c = *ptr;
353 *ptr = *beg; 379 *ptr = *beg;
354 *beg = c; 380 *beg = c;
381 ++beg;
355 } 382 }
356 } 383 }
357 384
358 return buf; 385 return buf;
359} 386}
360 387
361static SV * 388static SV *
362decode_oid (int relative) 389decode_oid (int relative)
363{ 390{
364 U32 len = get_length (); 391 UV len = get_length ();
365 392
366 if (len <= 0) 393 if (len <= 0)
367 { 394 {
368 error ("OBJECT IDENTIFIER length equal to zero"); 395 error ("BER_TYPE_OID length must not be zero");
369 return &PL_sv_undef; 396 return &PL_sv_undef;
370 } 397 }
371 398
372 U8 *end = cur + len; 399 U8 *end = cur + len;
373 U32 w = get_w (); 400 UV w = get_w ();
374 401
375 static char oid[MAX_OID_STRLEN]; // must be static 402 static char oid[MAX_OID_STRLEN]; // static, because too large for stack
376 char *app = oid; 403 char *app = oid;
377 404
378 if (relative) 405 if (relative)
379 app = write_uv (app, w); 406 app = write_uv (app, w);
380 else 407 else if (w < 2 * 40)
381 { 408 {
382 app = write_uv (app, (U8)w / 40); 409 app = write_uv (app, (U8)w / 40);
383 *app++ = '.'; 410 *app++ = '.';
384 app = write_uv (app, (U8)w % 40); 411 app = write_uv (app, (U8)w % 40);
385 } 412 }
413 else
414 {
415 app = write_uv (app, 2);
416 *app++ = '.';
417 app = write_uv (app, w - 2 * 40);
418 }
386 419
420 while (cur < end)
421 {
387 // we assume an oid component is never > 64 bytes 422 // we assume an oid component is never > 64 digits
388 while (cur < end && oid + sizeof (oid) - app > 64) 423 if (oid + sizeof (oid) - app < 64)
389 { 424 croak ("BER_TYPE_OID to long to decode");
425
390 w = get_w (); 426 w = get_w ();
391 *app++ = '.'; 427 *app++ = '.';
392 app = write_uv (app, w); 428 app = write_uv (app, w);
393 } 429 }
394 430
395 return newSVpvn (oid, app - oid); 431 return newSVpvn (oid, app - oid);
396} 432}
397 433
434// TODO: this is unacceptably slow
398static SV * 435static SV *
436decode_ucs (int chrsize)
437{
438 SV *res = NEWSV (0, 0);
439
440 UV len = get_length ();
441
442 if (len & (chrsize - 1))
443 croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
444
445 while (len)
446 {
447 U8 b1 = get_u8 ();
448 U8 b2 = get_u8 ();
449 U32 chr = (b1 << 8) | b2;
450
451 if (chrsize == 4)
452 {
453 U8 b3 = get_u8 ();
454 U8 b4 = get_u8 ();
455 chr = (chr << 16) | (b3 << 8) | b4;
456 }
457
458 U8 uchr [UTF8_MAXBYTES];
459 int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
460
461 sv_catpvn (res, (const char *)uchr, uclen);
462 len -= chrsize;
463 }
464
465 SvUTF8_on (res);
466
467 return res;
468}
469
470static SV *
399decode_ber () 471decode_ber (void)
400{ 472{
401 int identifier = get_u8 (); 473 int identifier = get_u8 ();
402 474
403 SV *res; 475 SV *res;
404 476
407 int tag = identifier & ASN_TAG_MASK; 479 int tag = identifier & ASN_TAG_MASK;
408 480
409 if (tag == ASN_TAG_BER) 481 if (tag == ASN_TAG_BER)
410 tag = get_w (); 482 tag = get_w ();
411 483
412 if (tag == ASN_TAG_BER)
413 tag = get_w ();
414
415 if (constructed) 484 if (constructed)
416 { 485 {
417 U32 len = get_length (); 486 UV len = get_length ();
418 U32 seqend = (cur - buf) + len; 487 UV seqend = (cur - buf) + len;
419 AV *av = (AV *)sv_2mortal ((SV *)newAV ()); 488 AV *av = (AV *)sv_2mortal ((SV *)newAV ());
420 489
421 while (cur < buf + seqend) 490 while (cur < buf + seqend)
422 av_push (av, decode_ber ()); 491 av_push (av, decode_ber ());
423 492
424 if (cur > buf + seqend) 493 if (cur > buf + seqend)
425 croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); 494 croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
426 495
427 res = newRV_inc ((SV *)av); 496 res = newRV_inc ((SV *)av);
428 } 497 }
429 else 498 else
430 switch (profile_lookup (cur_profile, klass, tag)) 499 switch (profile_lookup (cur_profile, klass, tag))
431 { 500 {
432 case BER_TYPE_NULL: 501 case BER_TYPE_NULL:
502 {
503 UV len = get_length ();
504
505 if (len)
506 croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
507
433 res = &PL_sv_undef; 508 res = &PL_sv_undef;
509 }
434 break; 510 break;
435 511
436 case BER_TYPE_BOOL: 512 case BER_TYPE_BOOL:
437 { 513 {
438 U32 len = get_length (); 514 UV len = get_length ();
439 515
440 if (len != 1) 516 if (len != 1)
441 croak ("BOOLEAN type with invalid length %d encountered", len); 517 croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
442 518
443 res = newSVcacheint (get_u8 () ? 0 : 1); 519 res = newSVcacheint (!!get_u8 ());
444 } 520 }
445 break; 521 break;
446 522
447 case BER_TYPE_OID: 523 case BER_TYPE_OID:
448 res = decode_oid (0); 524 res = decode_oid (0);
463 539
464 case BER_TYPE_BYTES: 540 case BER_TYPE_BYTES:
465 res = decode_data (); 541 res = decode_data ();
466 break; 542 break;
467 543
544 case BER_TYPE_IPADDRESS:
545 {
546 UV len = get_length ();
547
548 if (len != 4)
549 croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
550
551 U8 c1 = get_u8 ();
552 U8 c2 = get_u8 ();
553 U8 c3 = get_u8 ();
554 U8 c4 = get_u8 ();
555
556 res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
557 }
558 break;
559
560 case BER_TYPE_UCS2:
561 res = decode_ucs (2);
562 break;
563
564 case BER_TYPE_UCS4:
565 res = decode_ucs (4);
566 break;
567
468 case BER_TYPE_REAL: 568 case BER_TYPE_REAL:
469 case BER_TYPE_UCS2: 569 error ("BER_TYPE_REAL not implemented");
470 case BER_TYPE_UCS4: 570
471 case BER_TYPE_CROAK: 571 case BER_TYPE_CROAK:
572 croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
573
472 default: 574 default:
473 croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); 575 croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
474 } 576 }
475 577
476 AV *av = newAV (); 578 AV *av = newAV ();
477 av_fill (av, BER_ARRAYSIZE - 1); 579 av_fill (av, BER_ARRAYSIZE - 1);
478 AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass); 580 AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
479 AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); 581 AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
480 AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0); 582 AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
481 AvARRAY (av)[BER_DATA ] = res; 583 AvARRAY (av)[BER_DATA ] = res;
482 584
483 return newRV_noinc ((SV *)av); 585 return newRV_noinc ((SV *)av);
484} 586}
485 587
486///////////////////////////////////////////////////////////////////////////// 588/////////////////////////////////////////////////////////////////////////////
491strlen_sum (STRLEN l1, STRLEN l2) 593strlen_sum (STRLEN l1, STRLEN l2)
492{ 594{
493 size_t sum = l1 + l2; 595 size_t sum = l1 + l2;
494 596
495 if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) 597 if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum)
496 croak ("JSON::XS: string size overflow"); 598 croak ("Convert::BER::XS: string size overflow");
497 599
498 return sum; 600 return sum;
499} 601}
500 602
501static void 603static void
502set_buf (SV *sv) 604set_buf (SV *sv)
503{ 605{
504 STRLEN len; 606 STRLEN len;
505 buf_sv = sv; 607 buf_sv = sv;
506 buf = SvPVbyte (buf_sv, len); 608 buf = (U8 *)SvPVbyte (buf_sv, len);
507 cur = buf; 609 cur = buf;
508 end = buf + len; 610 end = buf + len;
509} 611}
510 612
511/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ 613/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
525need (STRLEN len) 627need (STRLEN len)
526{ 628{
527 if (expect_false ((uintptr_t)(end - cur) < len)) 629 if (expect_false ((uintptr_t)(end - cur) < len))
528 { 630 {
529 STRLEN pos = cur - buf; 631 STRLEN pos = cur - buf;
530 buf = my_sv_grow (buf_sv, pos, len); 632 buf = (U8 *)my_sv_grow (buf_sv, pos, len);
531 cur = buf + pos; 633 cur = buf + pos;
532 end = buf + SvLEN (buf_sv) - 1; 634 end = buf + SvLEN (buf_sv) - 1;
533 } 635 }
534} 636}
535 637
539 need (1); 641 need (1);
540 *cur++ = val; 642 *cur++ = val;
541} 643}
542 644
543static void 645static void
544put_w_nocheck (U32 val) 646put_w_nocheck (UV val)
545{ 647{
648#if UVSIZE > 4
649 *cur = (val >> 7 * 9) | 0x80; cur += val >= ((UV)1 << (7 * 9));
650 *cur = (val >> 7 * 8) | 0x80; cur += val >= ((UV)1 << (7 * 8));
651 *cur = (val >> 7 * 7) | 0x80; cur += val >= ((UV)1 << (7 * 7));
652 *cur = (val >> 7 * 6) | 0x80; cur += val >= ((UV)1 << (7 * 6));
653 *cur = (val >> 7 * 5) | 0x80; cur += val >= ((UV)1 << (7 * 5));
654#endif
546 *cur = (val >> 7 * 4) | 0x80; cur += val >= (1 << (7 * 4)); 655 *cur = (val >> 7 * 4) | 0x80; cur += val >= ((UV)1 << (7 * 4));
547 *cur = (val >> 7 * 3) | 0x80; cur += val >= (1 << (7 * 3)); 656 *cur = (val >> 7 * 3) | 0x80; cur += val >= ((UV)1 << (7 * 3));
548 *cur = (val >> 7 * 2) | 0x80; cur += val >= (1 << (7 * 2)); 657 *cur = (val >> 7 * 2) | 0x80; cur += val >= ((UV)1 << (7 * 2));
549 *cur = (val >> 7 * 1) | 0x80; cur += val >= (1 << (7 * 1)); 658 *cur = (val >> 7 * 1) | 0x80; cur += val >= ((UV)1 << (7 * 1));
550 *cur = val & 0x7f; cur += 1; 659 *cur = val & 0x7f; cur += 1;
551} 660}
552 661
553static void 662static void
554put_w (U32 val) 663put_w (UV val)
555{ 664{
556 need (5); // we only handle up to 5 bytes 665 need (5); // we only handle up to 5 bytes
557 666
558 put_w_nocheck (val); 667 put_w_nocheck (val);
559} 668}
560 669
561static U8 * 670static U8 *
562put_length_at (U32 val, U8 *cur) 671put_length_at (UV val, U8 *cur)
563{ 672{
564 if (val < 0x7fU) 673 if (val < 0x7fU)
565 *cur++ = val; 674 *cur++ = val;
566 else 675 else
567 { 676 {
568 U8 *lenb = cur++; 677 U8 *lenb = cur++;
569 678
679#if UVSIZE > 4
680 *cur = val >> 56; cur += *cur > 0;
681 *cur = val >> 48; cur += *cur > 0;
682 *cur = val >> 40; cur += *cur > 0;
683 *cur = val >> 32; cur += *cur > 0;
684#endif
570 *cur = val >> 24; cur += *cur > 0; 685 *cur = val >> 24; cur += *cur > 0;
571 *cur = val >> 16; cur += *cur > 0; 686 *cur = val >> 16; cur += *cur > 0;
572 *cur = val >> 8; cur += *cur > 0; 687 *cur = val >> 8; cur += *cur > 0;
573 *cur = val ; cur += 1; 688 *cur = val ; cur += 1;
574 689
577 692
578 return cur; 693 return cur;
579} 694}
580 695
581static void 696static void
582put_length (U32 val) 697put_length (UV val)
583{ 698{
584 need (5); 699 need (5 + val);
585 cur = put_length_at (val, cur); 700 cur = put_length_at (val, cur);
586} 701}
587 702
588// return how many bytes the encoded length requires 703// return how many bytes the encoded length requires
589static int length_length (U32 val) 704static int length_length (UV val)
590{ 705{
591 return val < 0x7fU 706 return val < 0x7fU
592 ? 1 707 ? 1
593 : 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU); 708 : 2
709 + (val > 0xffU)
710 + (val > 0xffffU)
711 + (val > 0xffffffU)
712#if UVSIZE > 4
713 + (val > 0xffffffffU)
714 + (val > 0xffffffffffU)
715 + (val > 0xffffffffffffU)
716 + (val > 0xffffffffffffffU)
717#endif
718 ;
594} 719}
595 720
596static void 721static void
597encode_data (const char *ptr, STRLEN len) 722encode_data (const char *ptr, STRLEN len)
598{ 723{
599 put_length (len); 724 put_length (len);
600 need (len);
601 memcpy (cur, ptr, len); 725 memcpy (cur, ptr, len);
602 cur += len; 726 cur += len;
603} 727}
604 728
605static void 729static void
661 785
662 *lenb = cur - lenb - 1; 786 *lenb = cur - lenb - 1;
663} 787}
664 788
665// we don't know the length yet, so we optimistically 789// we don't know the length yet, so we optimistically
666// assume the length will need one octet later. if that 790// assume the length will need one octet later. If that
667// turns out to be wrong, we memove as needed. 791// turns out to be wrong, we memmove as needed.
668// mark the beginning 792// mark the beginning
669static STRLEN 793static STRLEN
670len_fixup_mark () 794len_fixup_mark (void)
671{ 795{
672 return cur++ - buf; 796 return cur++ - buf;
673} 797}
674 798
675// patch up the length 799// patch up the length
751 875
752 return (AV *)rv; 876 return (AV *)rv;
753} 877}
754 878
755static void 879static void
880encode_ucs (SV *data, int chrsize)
881{
882 STRLEN uchars = sv_len_utf8 (data);
883 STRLEN len;;
884 char *ptr = SvPVutf8 (data, len);
885
886 put_length (uchars * chrsize);
887
888 while (uchars--)
889 {
890 STRLEN uclen;
891 UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen);
892
893 ptr += uclen;
894 len -= uclen;
895
896 if (chrsize == 4)
897 {
898 *cur++ = uchr >> 24;
899 *cur++ = uchr >> 16;
900 }
901
902 *cur++ = uchr >> 8;
903 *cur++ = uchr;
904 }
905}
906static void
756encode_ber (SV *tuple) 907encode_ber (SV *tuple)
757{ 908{
758 AV *av = ber_tuple (tuple); 909 AV *av = ber_tuple (tuple);
759 910
760 int klass = SvIV (AvARRAY (av)[BER_CLASS]); 911 int klass = SvIV (AvARRAY (av)[BER_CLASS]);
761 int tag = SvIV (AvARRAY (av)[BER_TAG]); 912 int tag = SvIV (AvARRAY (av)[BER_TAG]);
762 int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0; 913 int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
763 SV *data = AvARRAY (av)[BER_DATA]; 914 SV *data = AvARRAY (av)[BER_DATA];
764 915
765 int identifier = (klass << ASN_CLASS_SHIFT) | constructed; 916 int identifier = (klass << ASN_CLASS_SHIFT) | constructed;
766 917
767 if (expect_false (tag >= ASN_TAG_BER)) 918 if (expect_false (tag >= ASN_TAG_BER))
778 // and adjust later 929 // and adjust later
779 need (1); 930 need (1);
780 STRLEN mark = len_fixup_mark (); 931 STRLEN mark = len_fixup_mark ();
781 932
782 if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV)) 933 if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV))
783 croak ("BER constructed data must be array-reference"); 934 croak ("BER CONSTRUCTED data must be array-reference");
784 935
785 AV *av = (AV *)SvRV (data); 936 AV *av = (AV *)SvRV (data);
786 int fill = AvFILL (av); 937 int fill = AvFILL (av);
787 938
788 if (expect_false (SvRMAGICAL (av))) 939 if (expect_false (SvRMAGICAL (av)))
789 croak ("BER constructed data must not be tied"); 940 croak ("BER CONSTRUCTED data must not be tied");
790 941
942 int i;
791 for (int i = 0; i <= fill; ++i) 943 for (i = 0; i <= fill; ++i)
792 encode_ber (AvARRAY (av)[i]); 944 encode_ber (AvARRAY (av)[i]);
793 945
794 len_fixup (mark); 946 len_fixup (mark);
795 } 947 }
796 else 948 else
800 put_length (0); 952 put_length (0);
801 break; 953 break;
802 954
803 case BER_TYPE_BOOL: 955 case BER_TYPE_BOOL:
804 put_length (1); 956 put_length (1);
805 put_u8 (SvTRUE (data) ? 0xff : 0x00); 957 *cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
806 break; 958 break;
807 959
808 case BER_TYPE_OID: 960 case BER_TYPE_OID:
809 encode_oid (data, 0); 961 encode_oid (data, 0);
810 break; 962 break;
831 const char *ptr = SvPVutf8 (data, len); 983 const char *ptr = SvPVutf8 (data, len);
832 encode_data (ptr, len); 984 encode_data (ptr, len);
833 } 985 }
834 break; 986 break;
835 987
988 case BER_TYPE_IPADDRESS:
989 {
990 U8 ip[4];
991 sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
992 encode_data ((const char *)ip, sizeof (ip));
993 }
994 break;
995
996 case BER_TYPE_UCS2:
997 encode_ucs (data, 2);
998 break;
999
1000 case BER_TYPE_UCS4:
1001 encode_ucs (data, 4);
1002 break;
1003
836 case BER_TYPE_REAL: 1004 case BER_TYPE_REAL:
837 case BER_TYPE_UCS2: 1005 croak ("BER_TYPE_REAL not implemented");
838 case BER_TYPE_UCS4: 1006
839 case BER_TYPE_CROAK: 1007 case BER_TYPE_CROAK:
1008 croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
1009
840 default: 1010 default:
841 croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); 1011 croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
842 } 1012 }
843 1013
844} 1014}
859 const char *name; 1029 const char *name;
860 IV iv; 1030 IV iv;
861 } *civ, const_iv[] = { 1031 } *civ, const_iv[] = {
862#define const_iv(name) { # name, name }, 1032#define const_iv(name) { # name, name },
863 const_iv (ASN_BOOLEAN) 1033 const_iv (ASN_BOOLEAN)
864 const_iv (ASN_INTEGER32) 1034 const_iv (ASN_INTEGER)
865 const_iv (ASN_BIT_STRING) 1035 const_iv (ASN_BIT_STRING)
866 const_iv (ASN_OCTET_STRING) 1036 const_iv (ASN_OCTET_STRING)
867 const_iv (ASN_NULL) 1037 const_iv (ASN_NULL)
868 const_iv (ASN_OBJECT_IDENTIFIER) 1038 const_iv (ASN_OBJECT_IDENTIFIER)
869 const_iv (ASN_OBJECT_DESCRIPTOR) 1039 const_iv (ASN_OBJECT_DESCRIPTOR)
898 const_iv (ASN_CONTEXT) 1068 const_iv (ASN_CONTEXT)
899 const_iv (ASN_PRIVATE) 1069 const_iv (ASN_PRIVATE)
900 1070
901 const_iv (BER_CLASS) 1071 const_iv (BER_CLASS)
902 const_iv (BER_TAG) 1072 const_iv (BER_TAG)
903 const_iv (BER_CONSTRUCTED) 1073 const_iv (BER_FLAGS)
904 const_iv (BER_DATA) 1074 const_iv (BER_DATA)
905 1075
906 const_iv (BER_TYPE_BYTES) 1076 const_iv (BER_TYPE_BYTES)
907 const_iv (BER_TYPE_UTF8) 1077 const_iv (BER_TYPE_UTF8)
908 const_iv (BER_TYPE_UCS2) 1078 const_iv (BER_TYPE_UCS2)
911 const_iv (BER_TYPE_OID) 1081 const_iv (BER_TYPE_OID)
912 const_iv (BER_TYPE_RELOID) 1082 const_iv (BER_TYPE_RELOID)
913 const_iv (BER_TYPE_NULL) 1083 const_iv (BER_TYPE_NULL)
914 const_iv (BER_TYPE_BOOL) 1084 const_iv (BER_TYPE_BOOL)
915 const_iv (BER_TYPE_REAL) 1085 const_iv (BER_TYPE_REAL)
1086 const_iv (BER_TYPE_IPADDRESS)
916 const_iv (BER_TYPE_CROAK) 1087 const_iv (BER_TYPE_CROAK)
917 1088
918 const_iv (SNMP_IPADDRESS) 1089 const_iv (SNMP_IPADDRESS)
919 const_iv (SNMP_COUNTER32) 1090 const_iv (SNMP_COUNTER32)
1091 const_iv (SNMP_GAUGE32)
920 const_iv (SNMP_UNSIGNED32) 1092 const_iv (SNMP_UNSIGNED32)
921 const_iv (SNMP_TIMETICKS) 1093 const_iv (SNMP_TIMETICKS)
922 const_iv (SNMP_OPAQUE) 1094 const_iv (SNMP_OPAQUE)
923 const_iv (SNMP_COUNTER64) 1095 const_iv (SNMP_COUNTER64)
924
925 }; 1096 };
926 1097
927 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1098 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
928 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1099 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
929
930 default_profile = profile_new ();
931} 1100}
932 1101
933SV * 1102void
934ber_decode (SV *ber, SV *profile = &PL_sv_undef) 1103ber_decode (SV *ber, SV *profile = &PL_sv_undef)
1104 ALIAS:
1105 ber_decode_prefix = 1
935 CODE: 1106 PPCODE:
936{ 1107{
937 cur_profile = SvPROFILE (profile); 1108 cur_profile = SvPROFILE (profile);
938 STRLEN len; 1109 STRLEN len;
939 buf = SvPVbyte (ber, len); 1110 buf = (U8 *)SvPVbyte (ber, len);
940 cur = buf; 1111 cur = buf;
941 end = buf + len; 1112 end = buf + len;
942 1113
943 RETVAL = decode_ber (); 1114 SV *tuple = decode_ber ();
1115
1116 EXTEND (SP, 2);
1117 PUSHs (sv_2mortal (tuple));
1118
1119 if (ix)
1120 PUSHs (sv_2mortal (newSViv (cur - buf)));
1121 else if (cur != end)
1122 error ("trailing garbage after BER value");
944} 1123}
945 OUTPUT: RETVAL
946 1124
947void 1125void
948ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *constructed = &PL_sv_undef, SV *data = &PL_sv_undef) 1126ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *flags = &PL_sv_undef, SV *data = &PL_sv_undef)
949 PPCODE: 1127 PPCODE:
950{ 1128{
951 if (!SvOK (tuple)) 1129 if (!SvOK (tuple))
952 XSRETURN_NO; 1130 XSRETURN_NO;
953 1131
955 croak ("ber_is: tuple must be BER tuple (array-ref)"); 1133 croak ("ber_is: tuple must be BER tuple (array-ref)");
956 1134
957 AV *av = (AV *)SvRV (tuple); 1135 AV *av = (AV *)SvRV (tuple);
958 1136
959 XPUSHs ( 1137 XPUSHs (
960 (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass)) 1138 (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
961 && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) 1139 && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
962 && (!SvOK (constructed) || !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed)) 1140 && (!SvOK (flags) || !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
963 && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) 1141 && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data))
964 ? &PL_sv_yes : &PL_sv_undef); 1142 ? &PL_sv_yes : &PL_sv_undef);
965} 1143}
966 1144
967void 1145void
968ber_is_seq (SV *tuple) 1146ber_is_seq (SV *tuple)
972 XSRETURN_UNDEF; 1150 XSRETURN_UNDEF;
973 1151
974 AV *av = ber_tuple (tuple); 1152 AV *av = ber_tuple (tuple);
975 1153
976 XPUSHs ( 1154 XPUSHs (
977 SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL 1155 SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
978 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE 1156 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
979 && SvIV (AvARRAY (av)[BER_CONSTRUCTED]) 1157 && SvIV (AvARRAY (av)[BER_FLAGS])
980 ? AvARRAY (av)[BER_DATA] : &PL_sv_undef); 1158 ? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
981} 1159}
982 1160
983void 1161void
984ber_is_i32 (SV *tuple, SV *value = &PL_sv_undef) 1162ber_is_int (SV *tuple, SV *value = &PL_sv_undef)
985 PPCODE: 1163 PPCODE:
986{ 1164{
987 if (!SvOK (tuple)) 1165 if (!SvOK (tuple))
988 XSRETURN_NO; 1166 XSRETURN_NO;
989 1167
990 AV *av = ber_tuple (tuple); 1168 AV *av = ber_tuple (tuple);
991 1169
992 IV data = SvIV (AvARRAY (av)[BER_DATA]); 1170 UV data = SvUV (AvARRAY (av)[BER_DATA]);
993 1171
994 XPUSHs ( 1172 XPUSHs (
995 SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL 1173 SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
996 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32 1174 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
997 && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) 1175 && !SvIV (AvARRAY (av)[BER_FLAGS])
998 && (!SvOK (value) || data == SvIV (value)) 1176 && (!SvOK (value) || data == SvUV (value))
999 ? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0)) 1177 ? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1000 : &PL_sv_undef); 1178 : &PL_sv_undef);
1001} 1179}
1002 1180
1003void 1181void
1004ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) 1182ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef)
1008 XSRETURN_NO; 1186 XSRETURN_NO;
1009 1187
1010 AV *av = ber_tuple (tuple); 1188 AV *av = ber_tuple (tuple);
1011 1189
1012 XPUSHs ( 1190 XPUSHs (
1013 SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL 1191 SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1014 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER 1192 && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1015 && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) 1193 && !SvIV (AvARRAY (av)[BER_FLAGS])
1016 && (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) 1194 && (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid))
1017 ? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); 1195 ? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1018} 1196}
1019 1197
1020############################################################################# 1198#############################################################################
1033 SvCUR_set (buf_sv, cur - buf); 1211 SvCUR_set (buf_sv, cur - buf);
1034 XPUSHs (buf_sv); 1212 XPUSHs (buf_sv);
1035} 1213}
1036 1214
1037SV * 1215SV *
1038ber_i32 (IV iv) 1216ber_int (SV *sv)
1039 CODE: 1217 CODE:
1040{ 1218{
1041 AV *av = newAV (); 1219 AV *av = newAV ();
1042 av_fill (av, BER_ARRAYSIZE - 1); 1220 av_fill (av, BER_ARRAYSIZE - 1);
1043 AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); 1221 AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1044 AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32); 1222 AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1045 AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0); 1223 AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1046 AvARRAY (av)[BER_DATA ] = newSViv (iv); 1224 AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1047 RETVAL = newRV_noinc ((SV *)av); 1225 RETVAL = newRV_noinc ((SV *)av);
1048} 1226}
1049 OUTPUT: RETVAL 1227 OUTPUT: RETVAL
1050 1228
1051# TODO: not arrayref, but elements? 1229# TODO: not arrayref, but elements?
1053ber_seq (SV *arrayref) 1231ber_seq (SV *arrayref)
1054 CODE: 1232 CODE:
1055{ 1233{
1056 AV *av = newAV (); 1234 AV *av = newAV ();
1057 av_fill (av, BER_ARRAYSIZE - 1); 1235 av_fill (av, BER_ARRAYSIZE - 1);
1058 AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); 1236 AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1059 AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); 1237 AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1060 AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1); 1238 AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1061 AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); 1239 AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1062 RETVAL = newRV_noinc ((SV *)av); 1240 RETVAL = newRV_noinc ((SV *)av);
1063} 1241}
1064 OUTPUT: RETVAL 1242 OUTPUT: RETVAL
1065 1243
1066MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile 1244MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
1069new (SV *klass) 1247new (SV *klass)
1070 CODE: 1248 CODE:
1071 RETVAL = profile_new (); 1249 RETVAL = profile_new ();
1072 OUTPUT: RETVAL 1250 OUTPUT: RETVAL
1073 1251
1252void
1253set (SV *profile, int klass, int tag, int type)
1254 CODE:
1255 profile_set (SvPROFILE (profile), klass, tag, type);
1256
1257IV
1258get (SV *profile, int klass, int tag)
1259 CODE:
1260 RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
1261 OUTPUT: RETVAL
1262
1263void
1264_set_default (SV *profile)
1265 CODE:
1266 default_profile = SvPROFILE (profile);
1267
1268

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