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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.8 by root, Sat Apr 20 01:50:13 2019 UTC vs.
Revision 1.28 by root, Tue Apr 23 17:55:54 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
91	typedef void profile_type;	95	typedef void profile_type;
92		96
93	static profile_type cur_profile, default_profile;	97	static profile_type cur_profile, default_profile;
94	static SV *buf_sv; // encoding buffer	98	static SV *buf_sv; // encoding buffer
95	static U8 buf, cur, *end; // buffer start, current, end	99	static 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
96		104
97	#if __GNUC__ >= 3	105	#if __GNUC__ >= 3
98	# define expect(expr,value) __builtin_expect ((expr), (value))	106	# define expect(expr,value) __builtin_expect ((expr), (value))
99	# define INLINE static inline	107	# define INLINE static inline
100	#else	108	#else
…		…
133	{	141	{
134	if (!SvOK (profile))	142	if (!SvOK (profile))
135	return default_profile;	143	return default_profile;
136		144
137	if (!SvROK (profile))	145	if (!SvROK (profile))
138	croak ("invalid profile");	146	croak ("Convert::BER::XS::Profile expected");
139		147
140	profile = SvRV (profile);	148	profile = SvRV (profile);
141		149
142	if (SvSTASH (profile) != profile_stash)	150	if (SvSTASH (profile) != profile_stash)
143	croak ("invalid profile object");	151	croak ("Convert::BER::XS::Profile expected");
144		152
145	return (void *)profile;	153	return (void *)profile;
146	}	154	}
147		155
148	static int	156	static int
…		…
155	return BER_TYPE_BYTES;	163	return BER_TYPE_BYTES;
156		164
157	return SvPVX (sv)[idx];	165	return SvPVX (sv)[idx];
158	}	166	}
159		167
160	static int	168	static void
161	profile_set (profile_type *profile, int klass, int tag, int type)	169	profile_set (profile_type *profile, int klass, int tag, int type)
162	{	170	{
163	SV sv = (SV )profile;	171	SV sv = (SV )profile;
164	U32 idx = (tag << 2) + klass;	172	U32 idx = (tag << 2) + klass;
165	STRLEN oldlen = SvCUR (sv);	173	STRLEN oldlen = SvCUR (sv);
…		…
174		182
175	SvPVX (sv)[idx] = type;	183	SvPVX (sv)[idx] = type;
176	}	184	}
177		185
178	static SV *	186	static SV *
179	profile_new ()	187	profile_new (void)
180	{	188	{
181	SV *sv = newSVpvn ("", 0);	189	SV *sv = newSVpvn ("", 0);
182		190
183	static const struct {	191	static const struct {
184	int klass;	192	int klass;
185	int tag;	193	int tag;
186	int type;	194	int type;
187	} *celem, default_map[] = {	195	} *celem, default_map[] = {
188	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },	196	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
189	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },	197	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
190	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },	198	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
191	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },	199	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
192	{ ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID },
193	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },	200	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
194	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },	201	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		202	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
195	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },	203	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
196	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },	204	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
197	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },	205	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
198	};	206	};
199		207
200	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; )
201	profile_set ((void *)sv, celem->klass, celem->tag, celem->type);	209	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
202		210
203	return sv_bless (newRV_noinc (sv), profile_stash);	211	return sv_bless (newRV_noinc (sv), profile_stash);
204	}	212	}
205		213
206	/////////////////////////////////////////////////////////////////////////////	214	/////////////////////////////////////////////////////////////////////////////
…		…
219	error ("unexpected end of message buffer");	227	error ("unexpected end of message buffer");
220	}	228	}
221		229
222	// get_* functions fetch something from the buffer	230	// get_* functions fetch something from the buffer
223	// 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
		234	static U8
		235	get_u8 (void)
		236	{
		237	if (cur == end)
		238	error ("unexpected end of message buffer");
		239
		240	return *cur++;
		241	}
224		242
225	// get n octets	243	// get n octets
226	static U8 *	244	static U8 *
227	get_n (UV count)	245	get_n (UV count)
228	{	246	{
…		…
230	U8 *res = cur;	248	U8 *res = cur;
231	cur += count;	249	cur += count;
232	return res;	250	return res;
233	}	251	}
234		252
235	// get single octet
236	static U8
237	get_u8 (void)
238	{
239	if (cur == end)
240	error ("unexpected end of message buffer");
241
242	return *cur++;
243	}
244
245	// get ber-encoded integer (i.e. pack "w")	253	// get ber-encoded integer (i.e. pack "w")
246	static U32	254	static UV
247	get_w (void)	255	get_w (void)
248	{	256	{
249	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)");
250		262
251	for (;;)	263	for (;;)
252	{	264	{
253	U8 c = get_u8 ();	265	if (expect_false (res >> UVSIZE * 8 - 7))
		266	error ("BER variable length integer overflow");
		267
254	res = (res << 7) \| (c & 0x7f);	268	res = (res << 7) \| (c & 0x7f);
255		269
256	if (!(c & 0x80))	270	if (!(c & 0x80))
257	return res;	271	return res;
258	}
259	}
260		272
		273	c = get_u8 ();
		274	}
		275	}
		276
261	static U32	277	static UV
262	get_length (void)	278	get_length (void)
263	{	279	{
264	U32 res = get_u8 ();	280	UV res = get_u8 ();
265		281
266	if (res & 0x80)	282	if (res & 0x80)
267	{	283	{
268	int cnt = res & 0x7f;	284	int cnt = res & 0x7f;
269	res = 0;	285	res = 0;
270		286
271	switch (cnt)	287	switch (cnt)
272	{	288	{
273	case 0:	289	case 0:
274	error ("indefinite ASN.1 lengths not supported");	290	error ("indefinite BER value lengths not supported");
275	return 0;	291
		292	case 0x7f:
		293	error ("BER reserved value in length (X.690 8.1.3.5)");
276		294
277	default:	295	default:
278	error ("ASN.1 length too long");	296	error ("BER value length too long (must fit into UV)");
279	return 0;
280		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
281	case 4: res = (res << 8) \| get_u8 ();	304	case 4: res = (res << 8) \| get_u8 ();
282	case 3: res = (res << 8) \| get_u8 ();	305	case 3: res = (res << 8) \| get_u8 ();
283	case 2: res = (res << 8) \| get_u8 ();	306	case 2: res = (res << 8) \| get_u8 ();
284	case 1: res = (res << 8) \| get_u8 ();	307	case 1: res = (res << 8) \| get_u8 ();
285	}	308	}
…		…
287		310
288	return res;	311	return res;
289	}	312	}
290		313
291	static SV *	314	static SV *
292	decode_int ()	315	decode_int (void)
293	{	316	{
294	int len = get_length ();	317	UV len = get_length ();
295		318
296	if (len <= 0)	319	if (!len)
297	{	320	error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
298	error ("integer length equal to zero");
299	return 0;
300	}
301		321
302	U8 *data = get_n (len);	322	U8 *data = get_n (len);
303		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
304	int negative = data [0] & 0x80;	332	int negative = data [0] & 0x80;
305		333
306	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");
307		338
308	do	339	do
309	val = (val << 8) \| *data++;	340	val = (val << 8) \| *data++;
310	while (--len);	341	while (--len);
311		342
…		…
315	}	346	}
316		347
317	static SV *	348	static SV *
318	decode_data (void)	349	decode_data (void)
319	{	350	{
320	U32 len = get_length ();	351	UV len = get_length ();
321	U8 *data = get_n (len);
322	return newSVpvn ((char *)data, len);	352	return newSVpvn ((char *)get_n (len), len);
323	}	353	}
324		354
325	// gelper for decode_object_identifier	355	// helper for decode_object_identifier
326	static char *	356	static char *
327	write_uv (char *buf, U32 u)	357	write_uv (char *buf, UV u)
328	{	358	{
329	// 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)
330	if (expect_true (u < 10))	360	if (expect_true (u < 10))
331	*buf++ = u + '0';	361	*buf++ = u + '0';
332	else	362	else
333	{	363	{
		364	// this could be done much faster using branchless fixed-point arithmetics
334	char *beg = buf;	365	char *beg = buf;
335		366
336	do	367	do
337	{	368	{
338	*buf++ = u % 10 + '0';	369	*buf++ = u % 10 + '0';
339	u /= 10;	370	u /= 10;
340	}	371	}
341	while (u);	372	while (u);
342		373
343	// reverse digits	374	// reverse digits
344	for (char *ptr = buf; --ptr != beg; ++beg)	375	char *ptr = buf;
		376	while (--ptr > beg)
345	{	377	{
346	char c = *ptr;	378	char c = *ptr;
347	ptr = beg;	379	ptr = beg;
348	*beg = c;	380	*beg = c;
		381	++beg;
349	}	382	}
350	}	383	}
351		384
352	return buf;	385	return buf;
353	}	386	}
354		387
355	static SV *	388	static SV *
356	decode_oid (int relative)	389	decode_oid (int relative)
357	{	390	{
358	U32 len = get_length ();	391	UV len = get_length ();
359		392
360	if (len <= 0)	393	if (len <= 0)
361	{	394	{
362	error ("OBJECT IDENTIFIER length equal to zero");	395	error ("BER_TYPE_OID length must not be zero");
363	return &PL_sv_undef;	396	return &PL_sv_undef;
364	}	397	}
365		398
366	U8 *end = cur + len;	399	U8 *end = cur + len;
367	U32 w = get_w ();	400	UV w = get_w ();
368		401
369	static char oid[MAX_OID_STRLEN]; // must be static	402	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
370	char *app = oid;	403	char *app = oid;
371		404
372	if (relative)	405	if (relative)
373	app = write_uv (app, w);	406	app = write_uv (app, w);
374	else	407	else
375	{	408	{
		409	UV w1, w2;
		410
		411	if (w < 2 * 40)
		412	(w1 = w / 40), (w2 = w % 40);
		413	else
		414	(w1 = 2), (w2 = w - 2 * 40);
		415
376	app = write_uv (app, (U8)w / 40);	416	app = write_uv (app, w1);
377	*app++ = '.';	417	*app++ = '.';
378	app = write_uv (app, (U8)w % 40);	418	app = write_uv (app, w2);
		419	}
		420
		421	while (cur < end)
379	}	422	{
380
381	// we assume an oid component is never > 64 bytes	423	// we assume an oid component is never > 64 digits
382	while (cur < end && oid + sizeof (oid) - app > 64)	424	if (oid + sizeof (oid) - app < 64)
383	{	425	croak ("BER_TYPE_OID to long to decode");
		426
384	w = get_w ();	427	w = get_w ();
385	*app++ = '.';	428	*app++ = '.';
386	app = write_uv (app, w);	429	app = write_uv (app, w);
387	}	430	}
388		431
…		…
393	static SV *	436	static SV *
394	decode_ucs (int chrsize)	437	decode_ucs (int chrsize)
395	{	438	{
396	SV *res = NEWSV (0, 0);	439	SV *res = NEWSV (0, 0);
397		440
398	U32 len = get_length ();	441	UV len = get_length ();
399		442
400	if (len & (chrsize - 1))	443	if (len & (chrsize - 1))
401	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	444	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
402		445
403	while (len)	446	while (len)
…		…
424		467
425	return res;	468	return res;
426	}	469	}
427		470
428	static SV *	471	static SV *
429	decode_ber ()	472	decode_ber (void)
430	{	473	{
431	int identifier = get_u8 ();	474	int identifier = get_u8 ();
432		475
433	SV *res;	476	SV *res;
434		477
…		…
437	int tag = identifier & ASN_TAG_MASK;	480	int tag = identifier & ASN_TAG_MASK;
438		481
439	if (tag == ASN_TAG_BER)	482	if (tag == ASN_TAG_BER)
440	tag = get_w ();	483	tag = get_w ();
441		484
442	if (tag == ASN_TAG_BER)
443	tag = get_w ();
444
445	if (constructed)	485	if (constructed)
446	{	486	{
447	U32 len = get_length ();	487	UV len = get_length ();
448	U32 seqend = (cur - buf) + len;	488	UV seqend = (cur - buf) + len;
449	AV av = (AV )sv_2mortal ((SV *)newAV ());	489	AV av = (AV )sv_2mortal ((SV *)newAV ());
450		490
451	while (cur < buf + seqend)	491	while (cur < buf + seqend)
452	av_push (av, decode_ber ());	492	av_push (av, decode_ber ());
453		493
454	if (cur > buf + seqend)	494	if (cur > buf + seqend)
455	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	495	croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
456		496
457	res = newRV_inc ((SV *)av);	497	res = newRV_inc ((SV *)av);
458	}	498	}
459	else	499	else
460	switch (profile_lookup (cur_profile, klass, tag))	500	switch (profile_lookup (cur_profile, klass, tag))
461	{	501	{
462	case BER_TYPE_NULL:	502	case BER_TYPE_NULL:
		503	{
		504	UV len = get_length ();
		505
		506	if (len)
		507	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		508
463	res = &PL_sv_undef;	509	res = &PL_sv_undef;
		510	}
464	break;	511	break;
465		512
466	case BER_TYPE_BOOL:	513	case BER_TYPE_BOOL:
467	{	514	{
468	U32 len = get_length ();	515	UV len = get_length ();
469		516
470	if (len != 1)	517	if (len != 1)
471	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);	518	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
472		519
473	res = newSVcacheint (get_u8 () ? 0 : 1);	520	res = newSVcacheint (!!get_u8 ());
474	}	521	}
475	break;	522	break;
476		523
477	case BER_TYPE_OID:	524	case BER_TYPE_OID:
478	res = decode_oid (0);	525	res = decode_oid (0);
…		…
495	res = decode_data ();	542	res = decode_data ();
496	break;	543	break;
497		544
498	case BER_TYPE_IPADDRESS:	545	case BER_TYPE_IPADDRESS:
499	{	546	{
500	U32 len = get_length ();	547	UV len = get_length ();
501		548
502	if (len != 4)	549	if (len != 4)
503	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	550	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
504		551
505	U8 c1 = get_u8 ();	552	U8 c1 = get_u8 ();
506	U8 c2 = get_u8 ();	553	U8 c2 = get_u8 ();
507	U8 c3 = get_u8 ();	554	U8 c3 = get_u8 ();
508	U8 c4 = get_u8 ();	555	U8 c4 = get_u8 ();
…		…
518	case BER_TYPE_UCS4:	565	case BER_TYPE_UCS4:
519	res = decode_ucs (4);	566	res = decode_ucs (4);
520	break;	567	break;
521		568
522	case BER_TYPE_REAL:	569	case BER_TYPE_REAL:
		570	error ("BER_TYPE_REAL not implemented");
		571
523	case BER_TYPE_CROAK:	572	case BER_TYPE_CROAK:
		573	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		574
524	default:	575	default:
525	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	576	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
526	}	577	}
527		578
528	AV *av = newAV ();	579	AV *av = newAV ();
529	av_fill (av, BER_ARRAYSIZE - 1);	580	av_fill (av, BER_ARRAYSIZE - 1);
530	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	581	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
531	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	582	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
532	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	583	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
533	AvARRAY (av)[BER_DATA ] = res;	584	AvARRAY (av)[BER_DATA ] = res;
534		585
535	return newRV_noinc ((SV *)av);	586	return newRV_noinc ((SV *)av);
536	}	587	}
537		588
538	/////////////////////////////////////////////////////////////////////////////	589	/////////////////////////////////////////////////////////////////////////////
…		…
543	strlen_sum (STRLEN l1, STRLEN l2)	594	strlen_sum (STRLEN l1, STRLEN l2)
544	{	595	{
545	size_t sum = l1 + l2;	596	size_t sum = l1 + l2;
546		597
547	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	598	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
548	croak ("JSON::XS: string size overflow");	599	croak ("Convert::BER::XS: string size overflow");
549		600
550	return sum;	601	return sum;
551	}	602	}
552		603
553	static void	604	static void
554	set_buf (SV *sv)	605	set_buf (SV *sv)
555	{	606	{
556	STRLEN len;	607	STRLEN len;
557	buf_sv = sv;	608	buf_sv = sv;
558	buf = SvPVbyte (buf_sv, len);	609	buf = (U8 *)SvPVbyte (buf_sv, len);
559	cur = buf;	610	cur = buf;
560	end = buf + len;	611	end = buf + len;
561	}	612	}
562		613
563	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	614	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
577	need (STRLEN len)	628	need (STRLEN len)
578	{	629	{
579	if (expect_false ((uintptr_t)(end - cur) < len))	630	if (expect_false ((uintptr_t)(end - cur) < len))
580	{	631	{
581	STRLEN pos = cur - buf;	632	STRLEN pos = cur - buf;
582	buf = my_sv_grow (buf_sv, pos, len);	633	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
583	cur = buf + pos;	634	cur = buf + pos;
584	end = buf + SvLEN (buf_sv) - 1;	635	end = buf + SvLEN (buf_sv) - 1;
585	}	636	}
586	}	637	}
587		638
…		…
591	need (1);	642	need (1);
592	*cur++ = val;	643	*cur++ = val;
593	}	644	}
594		645
595	static void	646	static void
596	put_w_nocheck (U32 val)	647	put_w_nocheck (UV val)
597	{	648	{
		649	#if UVSIZE > 4
		650	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		651	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		652	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		653	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		654	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		655	#endif
598	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	656	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
599	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	657	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
600	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	658	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
601	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	659	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
602	*cur = val & 0x7f; cur += 1;	660	*cur = val & 0x7f; cur += 1;
603	}	661	}
604		662
605	static void	663	static void
606	put_w (U32 val)	664	put_w (UV val)
607	{	665	{
608	need (5); // we only handle up to 5 bytes	666	need (5); // we only handle up to 5 bytes
609		667
610	put_w_nocheck (val);	668	put_w_nocheck (val);
611	}	669	}
612		670
613	static U8 *	671	static U8 *
614	put_length_at (U32 val, U8 *cur)	672	put_length_at (UV val, U8 *cur)
615	{	673	{
616	if (val < 0x7fU)	674	if (val < 0x7fU)
617	*cur++ = val;	675	*cur++ = val;
618	else	676	else
619	{	677	{
620	U8 *lenb = cur++;	678	U8 *lenb = cur++;
621		679
622	cur = val >> 24; cur += cur > 0;	680	#if UVSIZE > 4
623	cur = val >> 16; cur += cur > 0;	681	cur = val >> 56; cur += val >= ((UV)1 << (8 7));
624	cur = val >> 8; cur += cur > 0;	682	cur = val >> 48; cur += val >= ((UV)1 << (8 6));
		683	cur = val >> 40; cur += val >= ((UV)1 << (8 5));
		684	cur = val >> 32; cur += val >= ((UV)1 << (8 4));
		685	#endif
		686	cur = val >> 24; cur += val >= ((UV)1 << (8 3));
		687	cur = val >> 16; cur += val >= ((UV)1 << (8 2));
		688	cur = val >> 8; cur += val >= ((UV)1 << (8 1));
625	*cur = val ; cur += 1;	689	*cur = val ; cur += 1;
626		690
627	*lenb = 0x80 + cur - lenb - 1;	691	*lenb = 0x80 + cur - lenb - 1;
628	}	692	}
629		693
630	return cur;	694	return cur;
631	}	695	}
632		696
633	static void	697	static void
634	put_length (U32 val)	698	put_length (UV val)
635	{	699	{
636	need (5 + val);	700	need (5 + val);
637	cur = put_length_at (val, cur);	701	cur = put_length_at (val, cur);
638	}	702	}
639		703
640	// return how many bytes the encoded length requires	704	// return how many bytes the encoded length requires
641	static int length_length (U32 val)	705	static int length_length (UV val)
642	{	706	{
643	return val < 0x7fU	707	return val < 0x7fU
644	? 1	708	? 1
645	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	709	: 2
		710	+ (val > 0xffU)
		711	+ (val > 0xffffU)
		712	+ (val > 0xffffffU)
		713	#if UVSIZE > 4
		714	+ (val > 0xffffffffU)
		715	+ (val > 0xffffffffffU)
		716	+ (val > 0xffffffffffffU)
		717	+ (val > 0xffffffffffffffU)
		718	#endif
		719	;
646	}	720	}
647		721
648	static void	722	static void
649	encode_data (const char *ptr, STRLEN len)	723	encode_data (const char *ptr, STRLEN len)
650	{	724	{
…		…
712		786
713	*lenb = cur - lenb - 1;	787	*lenb = cur - lenb - 1;
714	}	788	}
715		789
716	// we don't know the length yet, so we optimistically	790	// we don't know the length yet, so we optimistically
717	// assume the length will need one octet later. if that	791	// assume the length will need one octet later. If that
718	// turns out to be wrong, we memove as needed.	792	// turns out to be wrong, we memmove as needed.
719	// mark the beginning	793	// mark the beginning
720	static STRLEN	794	static STRLEN
721	len_fixup_mark ()	795	len_fixup_mark (void)
722	{	796	{
723	return cur++ - buf;	797	return cur++ - buf;
724	}	798	}
725		799
726	// patch up the length	800	// patch up the length
…		…
813	put_length (uchars * chrsize);	887	put_length (uchars * chrsize);
814		888
815	while (uchars--)	889	while (uchars--)
816	{	890	{
817	STRLEN uclen;	891	STRLEN uclen;
818	UV uchr = utf8_to_uvchr_buf (ptr, ptr + len, &uclen);	892	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
819		893
820	ptr += uclen;	894	ptr += uclen;
821	len -= uclen;	895	len -= uclen;
822		896
823	if (chrsize == 4)	897	if (chrsize == 4)
…		…
835	{	909	{
836	AV *av = ber_tuple (tuple);	910	AV *av = ber_tuple (tuple);
837		911
838	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	912	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
839	int tag = SvIV (AvARRAY (av)[BER_TAG]);	913	int tag = SvIV (AvARRAY (av)[BER_TAG]);
840	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	914	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
841	SV *data = AvARRAY (av)[BER_DATA];	915	SV *data = AvARRAY (av)[BER_DATA];
842		916
843	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	917	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
844		918
845	if (expect_false (tag >= ASN_TAG_BER))	919	if (expect_false (tag >= ASN_TAG_BER))
…		…
856	// and adjust later	930	// and adjust later
857	need (1);	931	need (1);
858	STRLEN mark = len_fixup_mark ();	932	STRLEN mark = len_fixup_mark ();
859		933
860	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))	934	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
861	croak ("BER constructed data must be array-reference");	935	croak ("BER CONSTRUCTED data must be array-reference");
862		936
863	AV av = (AV )SvRV (data);	937	AV av = (AV )SvRV (data);
864	int fill = AvFILL (av);	938	int fill = AvFILL (av);
865		939
866	if (expect_false (SvRMAGICAL (av)))	940	if (expect_false (SvRMAGICAL (av)))
867	croak ("BER constructed data must not be tied");	941	croak ("BER CONSTRUCTED data must not be tied");
868		942
		943	int i;
869	for (int i = 0; i <= fill; ++i)	944	for (i = 0; i <= fill; ++i)
870	encode_ber (AvARRAY (av)[i]);	945	encode_ber (AvARRAY (av)[i]);
871		946
872	len_fixup (mark);	947	len_fixup (mark);
873	}	948	}
874	else	949	else
…		…
878	put_length (0);	953	put_length (0);
879	break;	954	break;
880		955
881	case BER_TYPE_BOOL:	956	case BER_TYPE_BOOL:
882	put_length (1);	957	put_length (1);
883	*cur++ = SvTRUE (data) ? 0xff : 0x00;	958	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
884	break;	959	break;
885		960
886	case BER_TYPE_OID:	961	case BER_TYPE_OID:
887	encode_oid (data, 0);	962	encode_oid (data, 0);
888	break;	963	break;
…		…
926	case BER_TYPE_UCS4:	1001	case BER_TYPE_UCS4:
927	encode_ucs (data, 4);	1002	encode_ucs (data, 4);
928	break;	1003	break;
929		1004
930	case BER_TYPE_REAL:	1005	case BER_TYPE_REAL:
		1006	croak ("BER_TYPE_REAL not implemented");
		1007
931	case BER_TYPE_CROAK:	1008	case BER_TYPE_CROAK:
		1009	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		1010
932	default:	1011	default:
933	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	1012	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
934	}	1013	}
935		1014
936	}	1015	}
…		…
951	const char *name;	1030	const char *name;
952	IV iv;	1031	IV iv;
953	} *civ, const_iv[] = {	1032	} *civ, const_iv[] = {
954	#define const_iv(name) { # name, name },	1033	#define const_iv(name) { # name, name },
955	const_iv (ASN_BOOLEAN)	1034	const_iv (ASN_BOOLEAN)
956	const_iv (ASN_INTEGER32)	1035	const_iv (ASN_INTEGER)
957	const_iv (ASN_BIT_STRING)	1036	const_iv (ASN_BIT_STRING)
958	const_iv (ASN_OCTET_STRING)	1037	const_iv (ASN_OCTET_STRING)
959	const_iv (ASN_NULL)	1038	const_iv (ASN_NULL)
960	const_iv (ASN_OBJECT_IDENTIFIER)	1039	const_iv (ASN_OBJECT_IDENTIFIER)
961	const_iv (ASN_OBJECT_DESCRIPTOR)	1040	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
990	const_iv (ASN_CONTEXT)	1069	const_iv (ASN_CONTEXT)
991	const_iv (ASN_PRIVATE)	1070	const_iv (ASN_PRIVATE)
992		1071
993	const_iv (BER_CLASS)	1072	const_iv (BER_CLASS)
994	const_iv (BER_TAG)	1073	const_iv (BER_TAG)
995	const_iv (BER_CONSTRUCTED)	1074	const_iv (BER_FLAGS)
996	const_iv (BER_DATA)	1075	const_iv (BER_DATA)
997		1076
998	const_iv (BER_TYPE_BYTES)	1077	const_iv (BER_TYPE_BYTES)
999	const_iv (BER_TYPE_UTF8)	1078	const_iv (BER_TYPE_UTF8)
1000	const_iv (BER_TYPE_UCS2)	1079	const_iv (BER_TYPE_UCS2)
…		…
1008	const_iv (BER_TYPE_IPADDRESS)	1087	const_iv (BER_TYPE_IPADDRESS)
1009	const_iv (BER_TYPE_CROAK)	1088	const_iv (BER_TYPE_CROAK)
1010		1089
1011	const_iv (SNMP_IPADDRESS)	1090	const_iv (SNMP_IPADDRESS)
1012	const_iv (SNMP_COUNTER32)	1091	const_iv (SNMP_COUNTER32)
		1092	const_iv (SNMP_GAUGE32)
1013	const_iv (SNMP_UNSIGNED32)	1093	const_iv (SNMP_UNSIGNED32)
1014	const_iv (SNMP_TIMETICKS)	1094	const_iv (SNMP_TIMETICKS)
1015	const_iv (SNMP_OPAQUE)	1095	const_iv (SNMP_OPAQUE)
1016	const_iv (SNMP_COUNTER64)	1096	const_iv (SNMP_COUNTER64)
1017	};	1097	};
1018		1098
1019	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1099	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1020	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1100	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1021	}	1101	}
1022		1102
1023	SV *	1103	void
1024	ber_decode (SV ber, SV profile = &PL_sv_undef)	1104	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1105	ALIAS:
		1106	ber_decode_prefix = 1
1025	CODE:	1107	PPCODE:
1026	{	1108	{
1027	cur_profile = SvPROFILE (profile);	1109	cur_profile = SvPROFILE (profile);
1028	STRLEN len;	1110	STRLEN len;
1029	buf = SvPVbyte (ber, len);	1111	buf = (U8 *)SvPVbyte (ber, len);
1030	cur = buf;	1112	cur = buf;
1031	end = buf + len;	1113	end = buf + len;
1032		1114
1033	RETVAL = decode_ber ();	1115	SV *tuple = decode_ber ();
		1116
		1117	EXTEND (SP, 2);
		1118	PUSHs (sv_2mortal (tuple));
		1119
		1120	if (ix)
		1121	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1122	else if (cur != end)
		1123	error ("trailing garbage after BER value");
1034	}	1124	}
1035	OUTPUT: RETVAL
1036		1125
1037	void	1126	void
1038	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1127	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
1039	PPCODE:	1128	PPCODE:
1040	{	1129	{
1041	if (!SvOK (tuple))	1130	if (!SvOK (tuple))
1042	XSRETURN_NO;	1131	XSRETURN_NO;
1043		1132
…		…
1045	croak ("ber_is: tuple must be BER tuple (array-ref)");	1134	croak ("ber_is: tuple must be BER tuple (array-ref)");
1046		1135
1047	AV av = (AV )SvRV (tuple);	1136	AV av = (AV )SvRV (tuple);
1048		1137
1049	XPUSHs (	1138	XPUSHs (
1050	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1139	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
1051	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1140	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
1052	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1141	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
1053	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1142	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
1054	? &PL_sv_yes : &PL_sv_undef);	1143	? &PL_sv_yes : &PL_sv_undef);
1055	}	1144	}
1056		1145
1057	void	1146	void
1058	ber_is_seq (SV *tuple)	1147	ber_is_seq (SV *tuple)
…		…
1062	XSRETURN_UNDEF;	1151	XSRETURN_UNDEF;
1063		1152
1064	AV *av = ber_tuple (tuple);	1153	AV *av = ber_tuple (tuple);
1065		1154
1066	XPUSHs (	1155	XPUSHs (
1067	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1156	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1068	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1157	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
1069	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1158	&& SvIV (AvARRAY (av)[BER_FLAGS])
1070	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1159	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
1071	}	1160	}
1072		1161
1073	void	1162	void
1074	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1163	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1075	PPCODE:	1164	PPCODE:
1076	{	1165	{
1077	if (!SvOK (tuple))	1166	if (!SvOK (tuple))
1078	XSRETURN_NO;	1167	XSRETURN_NO;
1079		1168
1080	AV *av = ber_tuple (tuple);	1169	AV *av = ber_tuple (tuple);
1081		1170
1082	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1171	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1083		1172
1084	XPUSHs (	1173	XPUSHs (
1085	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1174	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1086	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1175	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1087	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1176	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1088	&& (!SvOK (value) \|\| data == SvIV (value))	1177	&& (!SvOK (value) \|\| data == SvUV (value))
1089	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1178	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1090	: &PL_sv_undef);	1179	: &PL_sv_undef);
1091	}	1180	}
1092		1181
1093	void	1182	void
1094	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1183	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1098	XSRETURN_NO;	1187	XSRETURN_NO;
1099		1188
1100	AV *av = ber_tuple (tuple);	1189	AV *av = ber_tuple (tuple);
1101		1190
1102	XPUSHs (	1191	XPUSHs (
1103	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1192	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1104	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1193	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1105	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1194	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1106	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1195	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1107	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1196	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1108	}	1197	}
1109		1198
1110	#############################################################################	1199	#############################################################################
…		…
1123	SvCUR_set (buf_sv, cur - buf);	1212	SvCUR_set (buf_sv, cur - buf);
1124	XPUSHs (buf_sv);	1213	XPUSHs (buf_sv);
1125	}	1214	}
1126		1215
1127	SV *	1216	SV *
1128	ber_i32 (IV iv)	1217	ber_int (SV *sv)
1129	CODE:	1218	CODE:
1130	{	1219	{
1131	AV *av = newAV ();	1220	AV *av = newAV ();
1132	av_fill (av, BER_ARRAYSIZE - 1);	1221	av_fill (av, BER_ARRAYSIZE - 1);
1133	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1222	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1134	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1223	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1135	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1224	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1136	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1225	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1137	RETVAL = newRV_noinc ((SV *)av);	1226	RETVAL = newRV_noinc ((SV *)av);
1138	}	1227	}
1139	OUTPUT: RETVAL	1228	OUTPUT: RETVAL
1140		1229
1141	# TODO: not arrayref, but elements?	1230	# TODO: not arrayref, but elements?
…		…
1143	ber_seq (SV *arrayref)	1232	ber_seq (SV *arrayref)
1144	CODE:	1233	CODE:
1145	{	1234	{
1146	AV *av = newAV ();	1235	AV *av = newAV ();
1147	av_fill (av, BER_ARRAYSIZE - 1);	1236	av_fill (av, BER_ARRAYSIZE - 1);
1148	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1237	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1149	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1238	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1150	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1239	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1151	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1240	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1152	RETVAL = newRV_noinc ((SV *)av);	1241	RETVAL = newRV_noinc ((SV *)av);
1153	}	1242	}
1154	OUTPUT: RETVAL	1243	OUTPUT: RETVAL
1155		1244
1156	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1245	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.8 by root, Sat Apr 20 01:50:13 2019 UTC vs. Revision 1.28 by root, Tue Apr 23 17:55:54 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.8 by root, Sat Apr 20 01:50:13 2019 UTC vs.
Revision 1.28 by root, Tue Apr 23 17:55:54 2019 UTC