[ViewVC] Diff of: cvs/Convert-BER-XS/XS.xs

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.11 by root, Sat Apr 20 12:25:23 2019 UTC vs.
Revision 1.25 by root, Sun Apr 21 10:40:30 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
7	enum {	10	enum {
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,	18	ASN_OID = 0x06,
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	};
…		…
77	BER_TYPE_IPADDRESS,	81	BER_TYPE_IPADDRESS,
78	BER_TYPE_CROAK,	82	BER_TYPE_CROAK,
79	};	83	};
80		84
81	enum {	85	enum {
82	BER_CLASS = 0,	86	BER_CLASS = 0,
83	BER_TAG = 1,	87	BER_TAG = 1,
84	BER_CONSTRUCTED = 2,	88	BER_FLAGS = 2,
85	BER_DATA = 3,	89	BER_DATA = 3,
86	BER_ARRAYSIZE	90	BER_ARRAYSIZE
87	};	91	};
88		92
89	#define MAX_OID_STRLEN 4096	93	#define MAX_OID_STRLEN 4096
90		94
…		…
178		182
179	SvPVX (sv)[idx] = type;	183	SvPVX (sv)[idx] = type;
180	}	184	}
181		185
182	static SV *	186	static SV *
183	profile_new ()	187	profile_new (void)
184	{	188	{
185	SV *sv = newSVpvn ("", 0);	189	SV *sv = newSVpvn ("", 0);
186		190
187	static const struct {	191	static const struct {
188	int klass;	192	int klass;
189	int tag;	193	int tag;
190	int type;	194	int type;
191	} *celem, default_map[] = {	195	} *celem, default_map[] = {
192	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },	196	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
193	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },	197	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
194	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },	198	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
195	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },	199	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
196	{ ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID },
197	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },	200	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
198	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },	201	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		202	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
199	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },	203	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
200	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },	204	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
201	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },	205	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
202	};	206	};
203		207
…		…
224	}	228	}
225		229
226	// get_* functions fetch something from the buffer	230	// get_* functions fetch something from the buffer
227	// decode_* functions use get_* fun ctions to decode ber values	231	// decode_* functions use get_* fun ctions to decode ber values
228		232
		233	// get single octet
		234	static U8
		235	get_u8 (void)
		236	{
		237	if (cur == end)
		238	error ("unexpected end of message buffer");
		239
		240	return *cur++;
		241	}
		242
229	// get n octets	243	// get n octets
230	static U8 *	244	static U8 *
231	get_n (UV count)	245	get_n (UV count)
232	{	246	{
233	want (count);	247	want (count);
234	U8 *res = cur;	248	U8 *res = cur;
235	cur += count;	249	cur += count;
236	return res;	250	return res;
237	}	251	}
238		252
239	// get single octet
240	static U8
241	get_u8 (void)
242	{
243	if (cur == end)
244	error ("unexpected end of message buffer");
245
246	return *cur++;
247	}
248
249	// get ber-encoded integer (i.e. pack "w")	253	// get ber-encoded integer (i.e. pack "w")
250	static U32	254	static UV
251	get_w (void)	255	get_w (void)
252	{	256	{
253	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)");
254		262
255	for (;;)	263	for (;;)
256	{	264	{
257	U8 c = get_u8 ();	265	if (expect_false (res >> UVSIZE * 8 - 7))
		266	error ("BER variable length integer overflow");
		267
258	res = (res << 7) \| (c & 0x7f);	268	res = (res << 7) \| (c & 0x7f);
259		269
260	if (!(c & 0x80))	270	if (!(c & 0x80))
261	return res;	271	return res;
262	}
263	}
264		272
		273	c = get_u8 ();
		274	}
		275	}
		276
265	static U32	277	static UV
266	get_length (void)	278	get_length (void)
267	{	279	{
268	U32 res = get_u8 ();	280	UV res = get_u8 ();
269		281
270	if (res & 0x80)	282	if (res & 0x80)
271	{	283	{
272	int cnt = res & 0x7f;	284	int cnt = res & 0x7f;
273	res = 0;	285	res = 0;
274		286
275	switch (cnt)	287	switch (cnt)
276	{	288	{
277	case 0:	289	case 0:
278	error ("indefinite ASN.1 lengths not supported");	290	error ("indefinite BER value lengths not supported");
279	return 0;	291
		292	case 0x7f:
		293	error ("BER reserved value in length (X.690 8.1.3.5)");
280		294
281	default:	295	default:
282	error ("ASN.1 length too long");	296	error ("BER value length too long (must fit into UV)");
283	return 0;
284		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
285	case 4: res = (res << 8) \| get_u8 ();	304	case 4: res = (res << 8) \| get_u8 ();
286	case 3: res = (res << 8) \| get_u8 ();	305	case 3: res = (res << 8) \| get_u8 ();
287	case 2: res = (res << 8) \| get_u8 ();	306	case 2: res = (res << 8) \| get_u8 ();
288	case 1: res = (res << 8) \| get_u8 ();	307	case 1: res = (res << 8) \| get_u8 ();
289	}	308	}
…		…
291		310
292	return res;	311	return res;
293	}	312	}
294		313
295	static SV *	314	static SV *
296	decode_int ()	315	decode_int (void)
297	{	316	{
298	int len = get_length ();	317	UV len = get_length ();
299		318
300	if (len <= 0)	319	if (!len)
301	{	320	error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
302	error ("integer length equal to zero");
303	return 0;
304	}
305		321
306	U8 *data = get_n (len);	322	U8 *data = get_n (len);
307		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
308	int negative = data [0] & 0x80;	332	int negative = data [0] & 0x80;
309		333
310	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");
311		338
312	do	339	do
313	val = (val << 8) \| *data++;	340	val = (val << 8) \| *data++;
314	while (--len);	341	while (--len);
315		342
…		…
319	}	346	}
320		347
321	static SV *	348	static SV *
322	decode_data (void)	349	decode_data (void)
323	{	350	{
324	U32 len = get_length ();	351	UV len = get_length ();
325	U8 *data = get_n (len);
326	return newSVpvn ((char *)data, len);	352	return newSVpvn ((char *)get_n (len), len);
327	}	353	}
328		354
329	// gelper for decode_object_identifier	355	// helper for decode_object_identifier
330	static char *	356	static char *
331	write_uv (char *buf, U32 u)	357	write_uv (char *buf, UV u)
332	{	358	{
333	// 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)
334	if (expect_true (u < 10))	360	if (expect_true (u < 10))
335	*buf++ = u + '0';	361	*buf++ = u + '0';
336	else	362	else
337	{	363	{
		364	// this could be done much faster using branchless fixed-point arithmetics
338	char *beg = buf;	365	char *beg = buf;
339		366
340	do	367	do
341	{	368	{
342	*buf++ = u % 10 + '0';	369	*buf++ = u % 10 + '0';
…		…
344	}	371	}
345	while (u);	372	while (u);
346		373
347	// reverse digits	374	// reverse digits
348	char *ptr = buf;	375	char *ptr = buf;
349	while (--ptr != beg)	376	while (--ptr > beg)
350	{	377	{
351	char c = *ptr;	378	char c = *ptr;
352	ptr = beg;	379	ptr = beg;
353	*beg = c;	380	*beg = c;
354	++beg;	381	++beg;
…		…
359	}	386	}
360		387
361	static SV *	388	static SV *
362	decode_oid (int relative)	389	decode_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
…		…
399	static SV *	435	static SV *
400	decode_ucs (int chrsize)	436	decode_ucs (int chrsize)
401	{	437	{
402	SV *res = NEWSV (0, 0);	438	SV *res = NEWSV (0, 0);
403		439
404	U32 len = get_length ();	440	UV len = get_length ();
405		441
406	if (len & (chrsize - 1))	442	if (len & (chrsize - 1))
407	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	443	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
408		444
409	while (len)	445	while (len)
…		…
430		466
431	return res;	467	return res;
432	}	468	}
433		469
434	static SV *	470	static SV *
435	decode_ber ()	471	decode_ber (void)
436	{	472	{
437	int identifier = get_u8 ();	473	int identifier = get_u8 ();
438		474
439	SV *res;	475	SV *res;
440		476
…		…
443	int tag = identifier & ASN_TAG_MASK;	479	int tag = identifier & ASN_TAG_MASK;
444		480
445	if (tag == ASN_TAG_BER)	481	if (tag == ASN_TAG_BER)
446	tag = get_w ();	482	tag = get_w ();
447		483
448	if (tag == ASN_TAG_BER)
449	tag = get_w ();
450
451	if (constructed)	484	if (constructed)
452	{	485	{
453	U32 len = get_length ();	486	UV len = get_length ();
454	U32 seqend = (cur - buf) + len;	487	UV seqend = (cur - buf) + len;
455	AV av = (AV )sv_2mortal ((SV *)newAV ());	488	AV av = (AV )sv_2mortal ((SV *)newAV ());
456		489
457	while (cur < buf + seqend)	490	while (cur < buf + seqend)
458	av_push (av, decode_ber ());	491	av_push (av, decode_ber ());
459		492
460	if (cur > buf + seqend)	493	if (cur > buf + seqend)
461	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);
462		495
463	res = newRV_inc ((SV *)av);	496	res = newRV_inc ((SV *)av);
464	}	497	}
465	else	498	else
466	switch (profile_lookup (cur_profile, klass, tag))	499	switch (profile_lookup (cur_profile, klass, tag))
467	{	500	{
468	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
469	res = &PL_sv_undef;	508	res = &PL_sv_undef;
		509	}
470	break;	510	break;
471		511
472	case BER_TYPE_BOOL:	512	case BER_TYPE_BOOL:
473	{	513	{
474	U32 len = get_length ();	514	UV len = get_length ();
475		515
476	if (len != 1)	516	if (len != 1)
477	croak ("BER_TYPE_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);
478		518
479	res = newSVcacheint (get_u8 () ? 0 : 1);	519	res = newSVcacheint (!!get_u8 ());
480	}	520	}
481	break;	521	break;
482		522
483	case BER_TYPE_OID:	523	case BER_TYPE_OID:
484	res = decode_oid (0);	524	res = decode_oid (0);
…		…
501	res = decode_data ();	541	res = decode_data ();
502	break;	542	break;
503		543
504	case BER_TYPE_IPADDRESS:	544	case BER_TYPE_IPADDRESS:
505	{	545	{
506	U32 len = get_length ();	546	UV len = get_length ();
507		547
508	if (len != 4)	548	if (len != 4)
509	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	549	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
510		550
511	U8 c1 = get_u8 ();	551	U8 c1 = get_u8 ();
512	U8 c2 = get_u8 ();	552	U8 c2 = get_u8 ();
513	U8 c3 = get_u8 ();	553	U8 c3 = get_u8 ();
514	U8 c4 = get_u8 ();	554	U8 c4 = get_u8 ();
…		…
524	case BER_TYPE_UCS4:	564	case BER_TYPE_UCS4:
525	res = decode_ucs (4);	565	res = decode_ucs (4);
526	break;	566	break;
527		567
528	case BER_TYPE_REAL:	568	case BER_TYPE_REAL:
		569	error ("BER_TYPE_REAL not implemented");
		570
529	case BER_TYPE_CROAK:	571	case BER_TYPE_CROAK:
		572	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		573
530	default:	574	default:
531	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	575	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
532	}	576	}
533		577
534	AV *av = newAV ();	578	AV *av = newAV ();
535	av_fill (av, BER_ARRAYSIZE - 1);	579	av_fill (av, BER_ARRAYSIZE - 1);
536	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	580	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
537	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	581	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
538	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	582	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
539	AvARRAY (av)[BER_DATA ] = res;	583	AvARRAY (av)[BER_DATA ] = res;
540		584
541	return newRV_noinc ((SV *)av);	585	return newRV_noinc ((SV *)av);
542	}	586	}
543		587
544	/////////////////////////////////////////////////////////////////////////////	588	/////////////////////////////////////////////////////////////////////////////
…		…
549	strlen_sum (STRLEN l1, STRLEN l2)	593	strlen_sum (STRLEN l1, STRLEN l2)
550	{	594	{
551	size_t sum = l1 + l2;	595	size_t sum = l1 + l2;
552		596
553	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	597	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
554	croak ("JSON::XS: string size overflow");	598	croak ("Convert::BER::XS: string size overflow");
555		599
556	return sum;	600	return sum;
557	}	601	}
558		602
559	static void	603	static void
…		…
597	need (1);	641	need (1);
598	*cur++ = val;	642	*cur++ = val;
599	}	643	}
600		644
601	static void	645	static void
602	put_w_nocheck (U32 val)	646	put_w_nocheck (UV val)
603	{	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
604	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	655	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
605	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	656	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
606	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	657	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
607	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	658	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
608	*cur = val & 0x7f; cur += 1;	659	*cur = val & 0x7f; cur += 1;
609	}	660	}
610		661
611	static void	662	static void
612	put_w (U32 val)	663	put_w (UV val)
613	{	664	{
614	need (5); // we only handle up to 5 bytes	665	need (5); // we only handle up to 5 bytes
615		666
616	put_w_nocheck (val);	667	put_w_nocheck (val);
617	}	668	}
618		669
619	static U8 *	670	static U8 *
620	put_length_at (U32 val, U8 *cur)	671	put_length_at (UV val, U8 *cur)
621	{	672	{
622	if (val < 0x7fU)	673	if (val < 0x7fU)
623	*cur++ = val;	674	*cur++ = val;
624	else	675	else
625	{	676	{
626	U8 *lenb = cur++;	677	U8 *lenb = cur++;
627		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
628	cur = val >> 24; cur += cur > 0;	685	cur = val >> 24; cur += cur > 0;
629	cur = val >> 16; cur += cur > 0;	686	cur = val >> 16; cur += cur > 0;
630	cur = val >> 8; cur += cur > 0;	687	cur = val >> 8; cur += cur > 0;
631	*cur = val ; cur += 1;	688	*cur = val ; cur += 1;
632		689
…		…
635		692
636	return cur;	693	return cur;
637	}	694	}
638		695
639	static void	696	static void
640	put_length (U32 val)	697	put_length (UV val)
641	{	698	{
642	need (5 + val);	699	need (5 + val);
643	cur = put_length_at (val, cur);	700	cur = put_length_at (val, cur);
644	}	701	}
645		702
646	// return how many bytes the encoded length requires	703	// return how many bytes the encoded length requires
647	static int length_length (U32 val)	704	static int length_length (UV val)
648	{	705	{
649	return val < 0x7fU	706	return val < 0x7fU
650	? 1	707	? 1
651	: 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	;
652	}	719	}
653		720
654	static void	721	static void
655	encode_data (const char *ptr, STRLEN len)	722	encode_data (const char *ptr, STRLEN len)
656	{	723	{
…		…
718		785
719	*lenb = cur - lenb - 1;	786	*lenb = cur - lenb - 1;
720	}	787	}
721		788
722	// we don't know the length yet, so we optimistically	789	// we don't know the length yet, so we optimistically
723	// assume the length will need one octet later. if that	790	// assume the length will need one octet later. If that
724	// turns out to be wrong, we memove as needed.	791	// turns out to be wrong, we memmove as needed.
725	// mark the beginning	792	// mark the beginning
726	static STRLEN	793	static STRLEN
727	len_fixup_mark ()	794	len_fixup_mark (void)
728	{	795	{
729	return cur++ - buf;	796	return cur++ - buf;
730	}	797	}
731		798
732	// patch up the length	799	// patch up the length
…		…
841	{	908	{
842	AV *av = ber_tuple (tuple);	909	AV *av = ber_tuple (tuple);
843		910
844	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	911	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
845	int tag = SvIV (AvARRAY (av)[BER_TAG]);	912	int tag = SvIV (AvARRAY (av)[BER_TAG]);
846	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	913	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
847	SV *data = AvARRAY (av)[BER_DATA];	914	SV *data = AvARRAY (av)[BER_DATA];
848		915
849	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	916	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
850		917
851	if (expect_false (tag >= ASN_TAG_BER))	918	if (expect_false (tag >= ASN_TAG_BER))
…		…
862	// and adjust later	929	// and adjust later
863	need (1);	930	need (1);
864	STRLEN mark = len_fixup_mark ();	931	STRLEN mark = len_fixup_mark ();
865		932
866	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))	933	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
867	croak ("BER constructed data must be array-reference");	934	croak ("BER CONSTRUCTED data must be array-reference");
868		935
869	AV av = (AV )SvRV (data);	936	AV av = (AV )SvRV (data);
870	int fill = AvFILL (av);	937	int fill = AvFILL (av);
871		938
872	if (expect_false (SvRMAGICAL (av)))	939	if (expect_false (SvRMAGICAL (av)))
873	croak ("BER constructed data must not be tied");	940	croak ("BER CONSTRUCTED data must not be tied");
874		941
875	int i;	942	int i;
876	for (i = 0; i <= fill; ++i)	943	for (i = 0; i <= fill; ++i)
877	encode_ber (AvARRAY (av)[i]);	944	encode_ber (AvARRAY (av)[i]);
878		945
…		…
885	put_length (0);	952	put_length (0);
886	break;	953	break;
887		954
888	case BER_TYPE_BOOL:	955	case BER_TYPE_BOOL:
889	put_length (1);	956	put_length (1);
890	*cur++ = SvTRUE (data) ? 0xff : 0x00;	957	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
891	break;	958	break;
892		959
893	case BER_TYPE_OID:	960	case BER_TYPE_OID:
894	encode_oid (data, 0);	961	encode_oid (data, 0);
895	break;	962	break;
…		…
933	case BER_TYPE_UCS4:	1000	case BER_TYPE_UCS4:
934	encode_ucs (data, 4);	1001	encode_ucs (data, 4);
935	break;	1002	break;
936		1003
937	case BER_TYPE_REAL:	1004	case BER_TYPE_REAL:
		1005	croak ("BER_TYPE_REAL not implemented");
		1006
938	case BER_TYPE_CROAK:	1007	case BER_TYPE_CROAK:
		1008	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		1009
939	default:	1010	default:
940	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	1011	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
941	}	1012	}
942		1013
943	}	1014	}
…		…
958	const char *name;	1029	const char *name;
959	IV iv;	1030	IV iv;
960	} *civ, const_iv[] = {	1031	} *civ, const_iv[] = {
961	#define const_iv(name) { # name, name },	1032	#define const_iv(name) { # name, name },
962	const_iv (ASN_BOOLEAN)	1033	const_iv (ASN_BOOLEAN)
963	const_iv (ASN_INTEGER32)	1034	const_iv (ASN_INTEGER)
964	const_iv (ASN_BIT_STRING)	1035	const_iv (ASN_BIT_STRING)
965	const_iv (ASN_OCTET_STRING)	1036	const_iv (ASN_OCTET_STRING)
966	const_iv (ASN_NULL)	1037	const_iv (ASN_NULL)
967	const_iv (ASN_OBJECT_IDENTIFIER)	1038	const_iv (ASN_OBJECT_IDENTIFIER)
968	const_iv (ASN_OBJECT_DESCRIPTOR)	1039	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
997	const_iv (ASN_CONTEXT)	1068	const_iv (ASN_CONTEXT)
998	const_iv (ASN_PRIVATE)	1069	const_iv (ASN_PRIVATE)
999		1070
1000	const_iv (BER_CLASS)	1071	const_iv (BER_CLASS)
1001	const_iv (BER_TAG)	1072	const_iv (BER_TAG)
1002	const_iv (BER_CONSTRUCTED)	1073	const_iv (BER_FLAGS)
1003	const_iv (BER_DATA)	1074	const_iv (BER_DATA)
1004		1075
1005	const_iv (BER_TYPE_BYTES)	1076	const_iv (BER_TYPE_BYTES)
1006	const_iv (BER_TYPE_UTF8)	1077	const_iv (BER_TYPE_UTF8)
1007	const_iv (BER_TYPE_UCS2)	1078	const_iv (BER_TYPE_UCS2)
…		…
1015	const_iv (BER_TYPE_IPADDRESS)	1086	const_iv (BER_TYPE_IPADDRESS)
1016	const_iv (BER_TYPE_CROAK)	1087	const_iv (BER_TYPE_CROAK)
1017		1088
1018	const_iv (SNMP_IPADDRESS)	1089	const_iv (SNMP_IPADDRESS)
1019	const_iv (SNMP_COUNTER32)	1090	const_iv (SNMP_COUNTER32)
		1091	const_iv (SNMP_GAUGE32)
1020	const_iv (SNMP_UNSIGNED32)	1092	const_iv (SNMP_UNSIGNED32)
1021	const_iv (SNMP_TIMETICKS)	1093	const_iv (SNMP_TIMETICKS)
1022	const_iv (SNMP_OPAQUE)	1094	const_iv (SNMP_OPAQUE)
1023	const_iv (SNMP_COUNTER64)	1095	const_iv (SNMP_COUNTER64)
1024	};	1096	};
1025		1097
1026	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--)
1027	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1099	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1028	}	1100	}
1029		1101
1030	SV *	1102	void
1031	ber_decode (SV ber, SV profile = &PL_sv_undef)	1103	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1104	ALIAS:
		1105	ber_decode_prefix = 1
1032	CODE:	1106	PPCODE:
1033	{	1107	{
1034	cur_profile = SvPROFILE (profile);	1108	cur_profile = SvPROFILE (profile);
1035	STRLEN len;	1109	STRLEN len;
1036	buf = (U8 *)SvPVbyte (ber, len);	1110	buf = (U8 *)SvPVbyte (ber, len);
1037	cur = buf;	1111	cur = buf;
1038	end = buf + len;	1112	end = buf + len;
1039		1113
1040	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");
1041	}	1123	}
1042	OUTPUT: RETVAL
1043		1124
1044	void	1125	void
1045	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1126	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
1046	PPCODE:	1127	PPCODE:
1047	{	1128	{
1048	if (!SvOK (tuple))	1129	if (!SvOK (tuple))
1049	XSRETURN_NO;	1130	XSRETURN_NO;
1050		1131
…		…
1052	croak ("ber_is: tuple must be BER tuple (array-ref)");	1133	croak ("ber_is: tuple must be BER tuple (array-ref)");
1053		1134
1054	AV av = (AV )SvRV (tuple);	1135	AV av = (AV )SvRV (tuple);
1055		1136
1056	XPUSHs (	1137	XPUSHs (
1057	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1138	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
1058	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1139	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
1059	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1140	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
1060	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1141	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
1061	? &PL_sv_yes : &PL_sv_undef);	1142	? &PL_sv_yes : &PL_sv_undef);
1062	}	1143	}
1063		1144
1064	void	1145	void
1065	ber_is_seq (SV *tuple)	1146	ber_is_seq (SV *tuple)
…		…
1069	XSRETURN_UNDEF;	1150	XSRETURN_UNDEF;
1070		1151
1071	AV *av = ber_tuple (tuple);	1152	AV *av = ber_tuple (tuple);
1072		1153
1073	XPUSHs (	1154	XPUSHs (
1074	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1155	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1075	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1156	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
1076	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1157	&& SvIV (AvARRAY (av)[BER_FLAGS])
1077	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1158	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
1078	}	1159	}
1079		1160
1080	void	1161	void
1081	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1162	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1082	PPCODE:	1163	PPCODE:
1083	{	1164	{
1084	if (!SvOK (tuple))	1165	if (!SvOK (tuple))
1085	XSRETURN_NO;	1166	XSRETURN_NO;
1086		1167
1087	AV *av = ber_tuple (tuple);	1168	AV *av = ber_tuple (tuple);
1088		1169
1089	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1170	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1090		1171
1091	XPUSHs (	1172	XPUSHs (
1092	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1173	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1093	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1174	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1094	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1175	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1095	&& (!SvOK (value) \|\| data == SvIV (value))	1176	&& (!SvOK (value) \|\| data == SvUV (value))
1096	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1177	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1097	: &PL_sv_undef);	1178	: &PL_sv_undef);
1098	}	1179	}
1099		1180
1100	void	1181	void
1101	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1182	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1105	XSRETURN_NO;	1186	XSRETURN_NO;
1106		1187
1107	AV *av = ber_tuple (tuple);	1188	AV *av = ber_tuple (tuple);
1108		1189
1109	XPUSHs (	1190	XPUSHs (
1110	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1191	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1111	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1192	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1112	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1193	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1113	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1194	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1114	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1195	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1115	}	1196	}
1116		1197
1117	#############################################################################	1198	#############################################################################
…		…
1130	SvCUR_set (buf_sv, cur - buf);	1211	SvCUR_set (buf_sv, cur - buf);
1131	XPUSHs (buf_sv);	1212	XPUSHs (buf_sv);
1132	}	1213	}
1133		1214
1134	SV *	1215	SV *
1135	ber_i32 (IV iv)	1216	ber_int (SV *sv)
1136	CODE:	1217	CODE:
1137	{	1218	{
1138	AV *av = newAV ();	1219	AV *av = newAV ();
1139	av_fill (av, BER_ARRAYSIZE - 1);	1220	av_fill (av, BER_ARRAYSIZE - 1);
1140	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1221	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1141	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1222	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1142	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1223	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1143	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1224	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1144	RETVAL = newRV_noinc ((SV *)av);	1225	RETVAL = newRV_noinc ((SV *)av);
1145	}	1226	}
1146	OUTPUT: RETVAL	1227	OUTPUT: RETVAL
1147		1228
1148	# TODO: not arrayref, but elements?	1229	# TODO: not arrayref, but elements?
…		…
1150	ber_seq (SV *arrayref)	1231	ber_seq (SV *arrayref)
1151	CODE:	1232	CODE:
1152	{	1233	{
1153	AV *av = newAV ();	1234	AV *av = newAV ();
1154	av_fill (av, BER_ARRAYSIZE - 1);	1235	av_fill (av, BER_ARRAYSIZE - 1);
1155	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1236	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1156	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1237	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1157	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1238	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1158	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1239	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1159	RETVAL = newRV_noinc ((SV *)av);	1240	RETVAL = newRV_noinc ((SV *)av);
1160	}	1241	}
1161	OUTPUT: RETVAL	1242	OUTPUT: RETVAL
1162		1243
1163	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1244	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.11 by root, Sat Apr 20 12:25:23 2019 UTC vs. Revision 1.25 by root, Sun Apr 21 10:40:30 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.11 by root, Sat Apr 20 12:25:23 2019 UTC vs.
Revision 1.25 by root, Sun Apr 21 10:40:30 2019 UTC