[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 1.24 by root, Sun Apr 21 01:58:15 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
…		…
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	/////////////////////////////////////////////////////////////////////////////
…		…
241		249
242	return *cur++;	250	return *cur++;
243	}	251	}
244		252
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 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 ASN.1 lengths not supported");
275	return 0;	291
		292	case 0x7f:
		293	error ("ASN.1 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 ("ASN.1 length too long (only up to 2**64 octets supported)");
279	return 0;
280		297
		298	case 8: res = (res << 8) \| get_u8 ();
		299	case 7: res = (res << 8) \| get_u8 ();
		300	case 6: res = (res << 8) \| get_u8 ();
		301	case 5: res = (res << 8) \| get_u8 ();
281	case 4: res = (res << 8) \| get_u8 ();	302	case 4: res = (res << 8) \| get_u8 ();
282	case 3: res = (res << 8) \| get_u8 ();	303	case 3: res = (res << 8) \| get_u8 ();
283	case 2: res = (res << 8) \| get_u8 ();	304	case 2: res = (res << 8) \| get_u8 ();
284	case 1: res = (res << 8) \| get_u8 ();	305	case 1: res = (res << 8) \| get_u8 ();
285	}	306	}
…		…
287		308
288	return res;	309	return res;
289	}	310	}
290		311
291	static SV *	312	static SV *
292	decode_int ()	313	decode_int (void)
293	{	314	{
294	int len = get_length ();	315	UV len = get_length ();
295		316
296	if (len <= 0)	317	if (!len)
297	{
298	error ("integer length equal to zero");	318	error ("invalid integer length equal to zero (X.690 8.3.1)");
299	return 0;
300	}
301		319
302	U8 *data = get_n (len);	320	U8 *data = get_n (len);
303		321
		322	if (expect_false (len > 1))
		323	{
		324	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		325
		326	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		327	error ("illegal padding in integer (X.690 8.3.2)");
		328	}
		329
304	int negative = data [0] & 0x80;	330	int negative = data [0] & 0x80;
305		331
306	UV val = negative ? -1 : 0; // copy signbit to all bits	332	UV val = negative ? -1 : 0; // copy signbit to all bits
		333
		334	if (len > UVSIZE + (!negative && !*data))
		335	error ("INTEGER overflow");
307		336
308	do	337	do
309	val = (val << 8) \| *data++;	338	val = (val << 8) \| *data++;
310	while (--len);	339	while (--len);
311		340
…		…
315	}	344	}
316		345
317	static SV *	346	static SV *
318	decode_data (void)	347	decode_data (void)
319	{	348	{
320	U32 len = get_length ();	349	UV len = get_length ();
321	U8 *data = get_n (len);
322	return newSVpvn ((char *)data, len);	350	return newSVpvn ((char *)get_n (len), len);
323	}	351	}
324		352
325	// gelper for decode_object_identifier	353	// helper for decode_object_identifier
326	static char *	354	static char *
327	write_uv (char *buf, U32 u)	355	write_uv (char *buf, UV u)
328	{	356	{
329	// the one-digit case is absolutely predominant, so this pays off (hopefully)	357	// the one-digit case is absolutely predominant, so this pays off (hopefully)
330	if (expect_true (u < 10))	358	if (expect_true (u < 10))
331	*buf++ = u + '0';	359	*buf++ = u + '0';
332	else	360	else
333	{	361	{
		362	// this could be done much faster using branchless fixed-point arithmetics
334	char *beg = buf;	363	char *beg = buf;
335		364
336	do	365	do
337	{	366	{
338	*buf++ = u % 10 + '0';	367	*buf++ = u % 10 + '0';
339	u /= 10;	368	u /= 10;
340	}	369	}
341	while (u);	370	while (u);
342		371
343	// reverse digits	372	// reverse digits
344	for (char *ptr = buf; --ptr != beg; ++beg)	373	char *ptr = buf;
		374	while (--ptr > beg)
345	{	375	{
346	char c = *ptr;	376	char c = *ptr;
347	ptr = beg;	377	ptr = beg;
348	*beg = c;	378	*beg = c;
		379	++beg;
349	}	380	}
350	}	381	}
351		382
352	return buf;	383	return buf;
353	}	384	}
354		385
355	static SV *	386	static SV *
356	decode_oid (int relative)	387	decode_oid (int relative)
357	{	388	{
358	U32 len = get_length ();	389	UV len = get_length ();
359		390
360	if (len <= 0)	391	if (len <= 0)
361	{	392	{
362	error ("OBJECT IDENTIFIER length equal to zero");	393	error ("OBJECT IDENTIFIER length equal to zero");
363	return &PL_sv_undef;	394	return &PL_sv_undef;
364	}	395	}
365		396
366	U8 *end = cur + len;	397	U8 *end = cur + len;
367	U32 w = get_w ();	398	UV w = get_w ();
368		399
369	static char oid[MAX_OID_STRLEN]; // must be static	400	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
370	char *app = oid;	401	char *app = oid;
371		402
372	if (relative)	403	if (relative)
373	app = write_uv (app, w);	404	app = write_uv (app, w);
374	else	405	else if (w < 2 * 40)
375	{	406	{
376	app = write_uv (app, (U8)w / 40);	407	app = write_uv (app, (U8)w / 40);
377	*app++ = '.';	408	*app++ = '.';
378	app = write_uv (app, (U8)w % 40);	409	app = write_uv (app, (U8)w % 40);
379	}	410	}
		411	else
		412	{
		413	app = write_uv (app, 2);
		414	*app++ = '.';
		415	app = write_uv (app, w - 2 * 40);
		416	}
380		417
		418	while (cur < end)
		419	{
381	// we assume an oid component is never > 64 bytes	420	// we assume an oid component is never > 64 digits
382	while (cur < end && oid + sizeof (oid) - app > 64)	421	if (oid + sizeof (oid) - app < 64)
383	{	422	croak ("BER_TYPE_OID to long to decode");
		423
384	w = get_w ();	424	w = get_w ();
385	*app++ = '.';	425	*app++ = '.';
386	app = write_uv (app, w);	426	app = write_uv (app, w);
387	}	427	}
388		428
…		…
393	static SV *	433	static SV *
394	decode_ucs (int chrsize)	434	decode_ucs (int chrsize)
395	{	435	{
396	SV *res = NEWSV (0, 0);	436	SV *res = NEWSV (0, 0);
397		437
398	U32 len = get_length ();	438	UV len = get_length ();
399		439
400	if (len & (chrsize - 1))	440	if (len & (chrsize - 1))
401	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	441	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
402		442
403	while (len)	443	while (len)
…		…
424		464
425	return res;	465	return res;
426	}	466	}
427		467
428	static SV *	468	static SV *
429	decode_ber ()	469	decode_ber (void)
430	{	470	{
431	int identifier = get_u8 ();	471	int identifier = get_u8 ();
432		472
433	SV *res;	473	SV *res;
434		474
…		…
437	int tag = identifier & ASN_TAG_MASK;	477	int tag = identifier & ASN_TAG_MASK;
438		478
439	if (tag == ASN_TAG_BER)	479	if (tag == ASN_TAG_BER)
440	tag = get_w ();	480	tag = get_w ();
441		481
442	if (tag == ASN_TAG_BER)
443	tag = get_w ();
444
445	if (constructed)	482	if (constructed)
446	{	483	{
447	U32 len = get_length ();	484	UV len = get_length ();
448	U32 seqend = (cur - buf) + len;	485	UV seqend = (cur - buf) + len;
449	AV av = (AV )sv_2mortal ((SV *)newAV ());	486	AV av = (AV )sv_2mortal ((SV *)newAV ());
450		487
451	while (cur < buf + seqend)	488	while (cur < buf + seqend)
452	av_push (av, decode_ber ());	489	av_push (av, decode_ber ());
453		490
454	if (cur > buf + seqend)	491	if (cur > buf + seqend)
455	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	492	croak ("constructed type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
456		493
457	res = newRV_inc ((SV *)av);	494	res = newRV_inc ((SV *)av);
458	}	495	}
459	else	496	else
460	switch (profile_lookup (cur_profile, klass, tag))	497	switch (profile_lookup (cur_profile, klass, tag))
461	{	498	{
462	case BER_TYPE_NULL:	499	case BER_TYPE_NULL:
		500	{
		501	UV len = get_length ();
		502
		503	if (len)
		504	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		505
463	res = &PL_sv_undef;	506	res = &PL_sv_undef;
		507	}
464	break;	508	break;
465		509
466	case BER_TYPE_BOOL:	510	case BER_TYPE_BOOL:
467	{	511	{
468	U32 len = get_length ();	512	UV len = get_length ();
469		513
470	if (len != 1)	514	if (len != 1)
471	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);	515	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
472		516
473	res = newSVcacheint (get_u8 () ? 0 : 1);	517	res = newSVcacheint (!!get_u8 ());
474	}	518	}
475	break;	519	break;
476		520
477	case BER_TYPE_OID:	521	case BER_TYPE_OID:
478	res = decode_oid (0);	522	res = decode_oid (0);
…		…
495	res = decode_data ();	539	res = decode_data ();
496	break;	540	break;
497		541
498	case BER_TYPE_IPADDRESS:	542	case BER_TYPE_IPADDRESS:
499	{	543	{
500	U32 len = get_length ();	544	UV len = get_length ();
501		545
502	if (len != 4)	546	if (len != 4)
503	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	547	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
504		548
505	U8 c1 = get_u8 ();	549	U8 c1 = get_u8 ();
506	U8 c2 = get_u8 ();	550	U8 c2 = get_u8 ();
507	U8 c3 = get_u8 ();	551	U8 c3 = get_u8 ();
508	U8 c4 = get_u8 ();	552	U8 c4 = get_u8 ();
…		…
525	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	569	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
526	}	570	}
527		571
528	AV *av = newAV ();	572	AV *av = newAV ();
529	av_fill (av, BER_ARRAYSIZE - 1);	573	av_fill (av, BER_ARRAYSIZE - 1);
530	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	574	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
531	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	575	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
532	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	576	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
533	AvARRAY (av)[BER_DATA ] = res;	577	AvARRAY (av)[BER_DATA ] = res;
534		578
535	return newRV_noinc ((SV *)av);	579	return newRV_noinc ((SV *)av);
536	}	580	}
537		581
538	/////////////////////////////////////////////////////////////////////////////	582	/////////////////////////////////////////////////////////////////////////////
…		…
543	strlen_sum (STRLEN l1, STRLEN l2)	587	strlen_sum (STRLEN l1, STRLEN l2)
544	{	588	{
545	size_t sum = l1 + l2;	589	size_t sum = l1 + l2;
546		590
547	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	591	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
548	croak ("JSON::XS: string size overflow");	592	croak ("Convert::BER::XS: string size overflow");
549		593
550	return sum;	594	return sum;
551	}	595	}
552		596
553	static void	597	static void
554	set_buf (SV *sv)	598	set_buf (SV *sv)
555	{	599	{
556	STRLEN len;	600	STRLEN len;
557	buf_sv = sv;	601	buf_sv = sv;
558	buf = SvPVbyte (buf_sv, len);	602	buf = (U8 *)SvPVbyte (buf_sv, len);
559	cur = buf;	603	cur = buf;
560	end = buf + len;	604	end = buf + len;
561	}	605	}
562		606
563	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	607	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
577	need (STRLEN len)	621	need (STRLEN len)
578	{	622	{
579	if (expect_false ((uintptr_t)(end - cur) < len))	623	if (expect_false ((uintptr_t)(end - cur) < len))
580	{	624	{
581	STRLEN pos = cur - buf;	625	STRLEN pos = cur - buf;
582	buf = my_sv_grow (buf_sv, pos, len);	626	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
583	cur = buf + pos;	627	cur = buf + pos;
584	end = buf + SvLEN (buf_sv) - 1;	628	end = buf + SvLEN (buf_sv) - 1;
585	}	629	}
586	}	630	}
587		631
…		…
591	need (1);	635	need (1);
592	*cur++ = val;	636	*cur++ = val;
593	}	637	}
594		638
595	static void	639	static void
596	put_w_nocheck (U32 val)	640	put_w_nocheck (UV val)
597	{	641	{
		642	#if UVSIZE > 4
		643	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		644	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		645	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		646	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		647	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		648	#endif
598	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	649	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
599	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	650	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
600	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	651	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
601	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	652	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
602	*cur = val & 0x7f; cur += 1;	653	*cur = val & 0x7f; cur += 1;
603	}	654	}
604		655
605	static void	656	static void
606	put_w (U32 val)	657	put_w (UV val)
607	{	658	{
608	need (5); // we only handle up to 5 bytes	659	need (5); // we only handle up to 5 bytes
609		660
610	put_w_nocheck (val);	661	put_w_nocheck (val);
611	}	662	}
612		663
613	static U8 *	664	static U8 *
614	put_length_at (U32 val, U8 *cur)	665	put_length_at (UV val, U8 *cur)
615	{	666	{
616	if (val < 0x7fU)	667	if (val < 0x7fU)
617	*cur++ = val;	668	*cur++ = val;
618	else	669	else
619	{	670	{
620	U8 *lenb = cur++;	671	U8 *lenb = cur++;
621		672
		673	#if UVSIZE > 4
		674	cur = val >> 56; cur += cur > 0;
		675	cur = val >> 48; cur += cur > 0;
		676	cur = val >> 40; cur += cur > 0;
		677	cur = val >> 32; cur += cur > 0;
		678	#endif
622	cur = val >> 24; cur += cur > 0;	679	cur = val >> 24; cur += cur > 0;
623	cur = val >> 16; cur += cur > 0;	680	cur = val >> 16; cur += cur > 0;
624	cur = val >> 8; cur += cur > 0;	681	cur = val >> 8; cur += cur > 0;
625	*cur = val ; cur += 1;	682	*cur = val ; cur += 1;
626		683
…		…
629		686
630	return cur;	687	return cur;
631	}	688	}
632		689
633	static void	690	static void
634	put_length (U32 val)	691	put_length (UV val)
635	{	692	{
636	need (5 + val);	693	need (5 + val);
637	cur = put_length_at (val, cur);	694	cur = put_length_at (val, cur);
638	}	695	}
639		696
640	// return how many bytes the encoded length requires	697	// return how many bytes the encoded length requires
641	static int length_length (U32 val)	698	static int length_length (UV val)
642	{	699	{
643	return val < 0x7fU	700	return val < 0x7fU
644	? 1	701	? 1
645	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	702	: 2
		703	+ (val > 0xffU)
		704	+ (val > 0xffffU)
		705	+ (val > 0xffffffU)
		706	#if UVSIZE > 4
		707	+ (val > 0xffffffffU)
		708	+ (val > 0xffffffffffU)
		709	+ (val > 0xffffffffffffU)
		710	+ (val > 0xffffffffffffffU)
		711	#endif
		712	;
646	}	713	}
647		714
648	static void	715	static void
649	encode_data (const char *ptr, STRLEN len)	716	encode_data (const char *ptr, STRLEN len)
650	{	717	{
…		…
712		779
713	*lenb = cur - lenb - 1;	780	*lenb = cur - lenb - 1;
714	}	781	}
715		782
716	// we don't know the length yet, so we optimistically	783	// we don't know the length yet, so we optimistically
717	// assume the length will need one octet later. if that	784	// assume the length will need one octet later. If that
718	// turns out to be wrong, we memove as needed.	785	// turns out to be wrong, we memmove as needed.
719	// mark the beginning	786	// mark the beginning
720	static STRLEN	787	static STRLEN
721	len_fixup_mark ()	788	len_fixup_mark (void)
722	{	789	{
723	return cur++ - buf;	790	return cur++ - buf;
724	}	791	}
725		792
726	// patch up the length	793	// patch up the length
…		…
813	put_length (uchars * chrsize);	880	put_length (uchars * chrsize);
814		881
815	while (uchars--)	882	while (uchars--)
816	{	883	{
817	STRLEN uclen;	884	STRLEN uclen;
818	UV uchr = utf8_to_uvchr_buf (ptr, ptr + len, &uclen);	885	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
819		886
820	ptr += uclen;	887	ptr += uclen;
821	len -= uclen;	888	len -= uclen;
822		889
823	if (chrsize == 4)	890	if (chrsize == 4)
…		…
835	{	902	{
836	AV *av = ber_tuple (tuple);	903	AV *av = ber_tuple (tuple);
837		904
838	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	905	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
839	int tag = SvIV (AvARRAY (av)[BER_TAG]);	906	int tag = SvIV (AvARRAY (av)[BER_TAG]);
840	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	907	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
841	SV *data = AvARRAY (av)[BER_DATA];	908	SV *data = AvARRAY (av)[BER_DATA];
842		909
843	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	910	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
844		911
845	if (expect_false (tag >= ASN_TAG_BER))	912	if (expect_false (tag >= ASN_TAG_BER))
…		…
864	int fill = AvFILL (av);	931	int fill = AvFILL (av);
865		932
866	if (expect_false (SvRMAGICAL (av)))	933	if (expect_false (SvRMAGICAL (av)))
867	croak ("BER constructed data must not be tied");	934	croak ("BER constructed data must not be tied");
868		935
		936	int i;
869	for (int i = 0; i <= fill; ++i)	937	for (i = 0; i <= fill; ++i)
870	encode_ber (AvARRAY (av)[i]);	938	encode_ber (AvARRAY (av)[i]);
871		939
872	len_fixup (mark);	940	len_fixup (mark);
873	}	941	}
874	else	942	else
…		…
878	put_length (0);	946	put_length (0);
879	break;	947	break;
880		948
881	case BER_TYPE_BOOL:	949	case BER_TYPE_BOOL:
882	put_length (1);	950	put_length (1);
883	*cur++ = SvTRUE (data) ? 0xff : 0x00;	951	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
884	break;	952	break;
885		953
886	case BER_TYPE_OID:	954	case BER_TYPE_OID:
887	encode_oid (data, 0);	955	encode_oid (data, 0);
888	break;	956	break;
…		…
951	const char *name;	1019	const char *name;
952	IV iv;	1020	IV iv;
953	} *civ, const_iv[] = {	1021	} *civ, const_iv[] = {
954	#define const_iv(name) { # name, name },	1022	#define const_iv(name) { # name, name },
955	const_iv (ASN_BOOLEAN)	1023	const_iv (ASN_BOOLEAN)
956	const_iv (ASN_INTEGER32)	1024	const_iv (ASN_INTEGER)
957	const_iv (ASN_BIT_STRING)	1025	const_iv (ASN_BIT_STRING)
958	const_iv (ASN_OCTET_STRING)	1026	const_iv (ASN_OCTET_STRING)
959	const_iv (ASN_NULL)	1027	const_iv (ASN_NULL)
960	const_iv (ASN_OBJECT_IDENTIFIER)	1028	const_iv (ASN_OBJECT_IDENTIFIER)
961	const_iv (ASN_OBJECT_DESCRIPTOR)	1029	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
990	const_iv (ASN_CONTEXT)	1058	const_iv (ASN_CONTEXT)
991	const_iv (ASN_PRIVATE)	1059	const_iv (ASN_PRIVATE)
992		1060
993	const_iv (BER_CLASS)	1061	const_iv (BER_CLASS)
994	const_iv (BER_TAG)	1062	const_iv (BER_TAG)
995	const_iv (BER_CONSTRUCTED)	1063	const_iv (BER_FLAGS)
996	const_iv (BER_DATA)	1064	const_iv (BER_DATA)
997		1065
998	const_iv (BER_TYPE_BYTES)	1066	const_iv (BER_TYPE_BYTES)
999	const_iv (BER_TYPE_UTF8)	1067	const_iv (BER_TYPE_UTF8)
1000	const_iv (BER_TYPE_UCS2)	1068	const_iv (BER_TYPE_UCS2)
…		…
1008	const_iv (BER_TYPE_IPADDRESS)	1076	const_iv (BER_TYPE_IPADDRESS)
1009	const_iv (BER_TYPE_CROAK)	1077	const_iv (BER_TYPE_CROAK)
1010		1078
1011	const_iv (SNMP_IPADDRESS)	1079	const_iv (SNMP_IPADDRESS)
1012	const_iv (SNMP_COUNTER32)	1080	const_iv (SNMP_COUNTER32)
		1081	const_iv (SNMP_GAUGE32)
1013	const_iv (SNMP_UNSIGNED32)	1082	const_iv (SNMP_UNSIGNED32)
1014	const_iv (SNMP_TIMETICKS)	1083	const_iv (SNMP_TIMETICKS)
1015	const_iv (SNMP_OPAQUE)	1084	const_iv (SNMP_OPAQUE)
1016	const_iv (SNMP_COUNTER64)	1085	const_iv (SNMP_COUNTER64)
1017	};	1086	};
1018		1087
1019	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1088	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));	1089	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1021	}	1090	}
1022		1091
1023	SV *	1092	void
1024	ber_decode (SV ber, SV profile = &PL_sv_undef)	1093	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1094	ALIAS:
		1095	ber_decode_prefix = 1
1025	CODE:	1096	PPCODE:
1026	{	1097	{
1027	cur_profile = SvPROFILE (profile);	1098	cur_profile = SvPROFILE (profile);
1028	STRLEN len;	1099	STRLEN len;
1029	buf = SvPVbyte (ber, len);	1100	buf = (U8 *)SvPVbyte (ber, len);
1030	cur = buf;	1101	cur = buf;
1031	end = buf + len;	1102	end = buf + len;
1032		1103
1033	RETVAL = decode_ber ();	1104	SV *tuple = decode_ber ();
		1105
		1106	EXTEND (SP, 2);
		1107	PUSHs (sv_2mortal (tuple));
		1108
		1109	if (ix)
		1110	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1111	else if (cur != end)
		1112	error ("trailing garbage after BER data");
1034	}	1113	}
1035	OUTPUT: RETVAL
1036		1114
1037	void	1115	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)	1116	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:	1117	PPCODE:
1040	{	1118	{
1041	if (!SvOK (tuple))	1119	if (!SvOK (tuple))
1042	XSRETURN_NO;	1120	XSRETURN_NO;
1043		1121
…		…
1045	croak ("ber_is: tuple must be BER tuple (array-ref)");	1123	croak ("ber_is: tuple must be BER tuple (array-ref)");
1046		1124
1047	AV av = (AV )SvRV (tuple);	1125	AV av = (AV )SvRV (tuple);
1048		1126
1049	XPUSHs (	1127	XPUSHs (
1050	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1128	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
1051	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1129	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
1052	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1130	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
1053	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1131	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
1054	? &PL_sv_yes : &PL_sv_undef);	1132	? &PL_sv_yes : &PL_sv_undef);
1055	}	1133	}
1056		1134
1057	void	1135	void
1058	ber_is_seq (SV *tuple)	1136	ber_is_seq (SV *tuple)
…		…
1062	XSRETURN_UNDEF;	1140	XSRETURN_UNDEF;
1063		1141
1064	AV *av = ber_tuple (tuple);	1142	AV *av = ber_tuple (tuple);
1065		1143
1066	XPUSHs (	1144	XPUSHs (
1067	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1145	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1068	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1146	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
1069	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1147	&& SvIV (AvARRAY (av)[BER_FLAGS])
1070	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1148	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
1071	}	1149	}
1072		1150
1073	void	1151	void
1074	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1152	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1075	PPCODE:	1153	PPCODE:
1076	{	1154	{
1077	if (!SvOK (tuple))	1155	if (!SvOK (tuple))
1078	XSRETURN_NO;	1156	XSRETURN_NO;
1079		1157
1080	AV *av = ber_tuple (tuple);	1158	AV *av = ber_tuple (tuple);
1081		1159
1082	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1160	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1083		1161
1084	XPUSHs (	1162	XPUSHs (
1085	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1163	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1086	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1164	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1087	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1165	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1088	&& (!SvOK (value) \|\| data == SvIV (value))	1166	&& (!SvOK (value) \|\| data == SvUV (value))
1089	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1167	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1090	: &PL_sv_undef);	1168	: &PL_sv_undef);
1091	}	1169	}
1092		1170
1093	void	1171	void
1094	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1172	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1098	XSRETURN_NO;	1176	XSRETURN_NO;
1099		1177
1100	AV *av = ber_tuple (tuple);	1178	AV *av = ber_tuple (tuple);
1101		1179
1102	XPUSHs (	1180	XPUSHs (
1103	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1181	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1104	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1182	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1105	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1183	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1106	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1184	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1107	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1185	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1108	}	1186	}
1109		1187
1110	#############################################################################	1188	#############################################################################
…		…
1123	SvCUR_set (buf_sv, cur - buf);	1201	SvCUR_set (buf_sv, cur - buf);
1124	XPUSHs (buf_sv);	1202	XPUSHs (buf_sv);
1125	}	1203	}
1126		1204
1127	SV *	1205	SV *
1128	ber_i32 (IV iv)	1206	ber_int (SV *sv)
1129	CODE:	1207	CODE:
1130	{	1208	{
1131	AV *av = newAV ();	1209	AV *av = newAV ();
1132	av_fill (av, BER_ARRAYSIZE - 1);	1210	av_fill (av, BER_ARRAYSIZE - 1);
1133	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1211	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1134	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1212	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1135	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1213	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1136	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1214	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1137	RETVAL = newRV_noinc ((SV *)av);	1215	RETVAL = newRV_noinc ((SV *)av);
1138	}	1216	}
1139	OUTPUT: RETVAL	1217	OUTPUT: RETVAL
1140		1218
1141	# TODO: not arrayref, but elements?	1219	# TODO: not arrayref, but elements?
…		…
1143	ber_seq (SV *arrayref)	1221	ber_seq (SV *arrayref)
1144	CODE:	1222	CODE:
1145	{	1223	{
1146	AV *av = newAV ();	1224	AV *av = newAV ();
1147	av_fill (av, BER_ARRAYSIZE - 1);	1225	av_fill (av, BER_ARRAYSIZE - 1);
1148	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1226	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1149	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1227	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1150	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1228	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1151	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1229	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1152	RETVAL = newRV_noinc ((SV *)av);	1230	RETVAL = newRV_noinc ((SV *)av);
1153	}	1231	}
1154	OUTPUT: RETVAL	1232	OUTPUT: RETVAL
1155		1233
1156	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1234	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 1.24 by root, Sun Apr 21 01:58:15 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 1.24 by root, Sun Apr 21 01:58:15 2019 UTC