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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs.
Revision 1.34 by root, Thu Feb 6 11:51:40 2020 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	#include <math.h>
		6
5	// C99 required	7	// C99 required!
		8	// this is not just for comments, but also for
		9	// integer constant semantics,
		10	// sscanf format modifiers and more.
6		11
7	enum {	12	enum {
8	// ASN_TAG	13	// ASN_TAG
9	ASN_BOOLEAN = 0x01,	14	ASN_BOOLEAN = 0x01,
10	ASN_INTEGER32 = 0x02,	15	ASN_INTEGER = 0x02,
11	ASN_BIT_STRING = 0x03,	16	ASN_BIT_STRING = 0x03,
12	ASN_OCTET_STRING = 0x04,	17	ASN_OCTET_STRING = 0x04,
13	ASN_NULL = 0x05,	18	ASN_NULL = 0x05,
14	ASN_OBJECT_IDENTIFIER = 0x06,	19	ASN_OBJECT_IDENTIFIER = 0x06,
15	ASN_OID = 0x06,	20	ASN_OID = 0x06,
55	ASN_CLASS_SHIFT = 6,	60	ASN_CLASS_SHIFT = 6,
56		61
57	// ASN_APPLICATION SNMP	62	// ASN_APPLICATION SNMP
58	SNMP_IPADDRESS = 0x00,	63	SNMP_IPADDRESS = 0x00,
59	SNMP_COUNTER32 = 0x01,	64	SNMP_COUNTER32 = 0x01,
		65	SNMP_GAUGE32 = 0x02,
60	SNMP_UNSIGNED32 = 0x02,	66	SNMP_UNSIGNED32 = 0x02,
61	SNMP_TIMETICKS = 0x03,	67	SNMP_TIMETICKS = 0x03,
62	SNMP_OPAQUE = 0x04,	68	SNMP_OPAQUE = 0x04,
63	SNMP_COUNTER64 = 0x06,	69	SNMP_COUNTER64 = 0x06,
64	};	70	};
65		71
		72	// low-level types this module can ecode the above (and more) into
66	enum {	73	enum {
67	BER_TYPE_BYTES,	74	BER_TYPE_BYTES,
68	BER_TYPE_UTF8,	75	BER_TYPE_UTF8,
69	BER_TYPE_UCS2,	76	BER_TYPE_UCS2,
70	BER_TYPE_UCS4,	77	BER_TYPE_UCS4,
…		…
76	BER_TYPE_REAL,	83	BER_TYPE_REAL,
77	BER_TYPE_IPADDRESS,	84	BER_TYPE_IPADDRESS,
78	BER_TYPE_CROAK,	85	BER_TYPE_CROAK,
79	};	86	};
80		87
		88	// tuple array indices
81	enum {	89	enum {
82	BER_CLASS = 0,	90	BER_CLASS = 0,
83	BER_TAG = 1,	91	BER_TAG = 1,
84	BER_CONSTRUCTED = 2,	92	BER_FLAGS = 2,
85	BER_DATA = 3,	93	BER_DATA = 3,
86	BER_ARRAYSIZE	94	BER_ARRAYSIZE
87	};	95	};
88		96
89	#define MAX_OID_STRLEN 4096	97	#define MAX_OID_STRLEN 4096
90		98
…		…
94	static SV *buf_sv; // encoding buffer	102	static SV *buf_sv; // encoding buffer
95	static U8 buf, cur, *end; // buffer start, current, end	103	static U8 buf, cur, *end; // buffer start, current, end
96		104
97	#if PERL_VERSION < 18	105	#if PERL_VERSION < 18
98	# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)	106	# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
		107	#endif
		108
		109	#ifndef SvREFCNT_inc_NN
		110	#define SvREFCNT_inc_NN(x) SvREFCNT_inc (x)
		111	#endif
		112	#ifndef SvREFCNT_dec_NN
		113	#define SvREFCNT_dec_NN(x) SvREFCNT_dec (x)
99	#endif	114	#endif
100		115
101	#if __GNUC__ >= 3	116	#if __GNUC__ >= 3
102	# define expect(expr,value) __builtin_expect ((expr), (value))	117	# define expect(expr,value) __builtin_expect ((expr), (value))
103	# define INLINE static inline	118	# define INLINE static inline
…		…
137	{	152	{
138	if (!SvOK (profile))	153	if (!SvOK (profile))
139	return default_profile;	154	return default_profile;
140		155
141	if (!SvROK (profile))	156	if (!SvROK (profile))
142	croak ("invalid profile");	157	croak ("Convert::BER::XS::Profile expected");
143		158
144	profile = SvRV (profile);	159	profile = SvRV (profile);
145		160
146	if (SvSTASH (profile) != profile_stash)	161	if (SvSTASH (profile) != profile_stash)
147	croak ("invalid profile object");	162	croak ("Convert::BER::XS::Profile expected");
148		163
149	return (void *)profile;	164	return (void *)profile;
150	}	165	}
151		166
152	static int	167	static int
…		…
178		193
179	SvPVX (sv)[idx] = type;	194	SvPVX (sv)[idx] = type;
180	}	195	}
181		196
182	static SV *	197	static SV *
183	profile_new ()	198	profile_new (void)
184	{	199	{
185	SV *sv = newSVpvn ("", 0);	200	SV *sv = newSVpvn ("", 0);
186		201
187	static const struct {	202	static const struct {
188	int klass;	203	int klass;
189	int tag;	204	int tag;
190	int type;	205	int type;
191	} *celem, default_map[] = {	206	} *celem, default_map[] = {
192	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },	207	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
193	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },	208	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
194	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },	209	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
195	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },	210	{ 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 },	211	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
198	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },	212	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		213	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
199	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },	214	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
200	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },	215	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
201	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },	216	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
202	};	217	};
203		218
204	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--)	219	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
205	profile_set ((void *)sv, celem->klass, celem->tag, celem->type);	220	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
206		221
207	return sv_bless (newRV_noinc (sv), profile_stash);	222	return sv_bless (newRV_noinc (sv), profile_stash);
208	}	223	}
209		224
210	/////////////////////////////////////////////////////////////////////////////	225	/////////////////////////////////////////////////////////////////////////////
…		…
223	error ("unexpected end of message buffer");	238	error ("unexpected end of message buffer");
224	}	239	}
225		240
226	// get_* functions fetch something from the buffer	241	// get_* functions fetch something from the buffer
227	// decode_* functions use get_* fun ctions to decode ber values	242	// decode_* functions use get_* fun ctions to decode ber values
		243
		244	// get single octet
		245	static U8
		246	get_u8 (void)
		247	{
		248	if (cur == end)
		249	error ("unexpected end of message buffer");
		250
		251	return *cur++;
		252	}
228		253
229	// get n octets	254	// get n octets
230	static U8 *	255	static U8 *
231	get_n (UV count)	256	get_n (UV count)
232	{	257	{
…		…
234	U8 *res = cur;	259	U8 *res = cur;
235	cur += count;	260	cur += count;
236	return res;	261	return res;
237	}	262	}
238		263
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")	264	// get ber-encoded integer (i.e. pack "w")
250	static U32	265	static UV
251	get_w (void)	266	get_w (void)
252	{	267	{
253	U32 res = 0;	268	UV res = 0;
		269	U8 c = get_u8 ();
		270
		271	if (expect_false (c == 0x80))
		272	error ("invalid BER padding (X.690 8.1.2.4.2, 8.19.2)");
254		273
255	for (;;)	274	for (;;)
256	{	275	{
257	U8 c = get_u8 ();	276	if (expect_false (res >> UVSIZE * 8 - 7))
		277	error ("BER variable length integer overflow");
		278
258	res = (res << 7) \| (c & 0x7f);	279	res = (res << 7) \| (c & 0x7f);
259		280
260	if (!(c & 0x80))	281	if (expect_true (!(c & 0x80)))
261	return res;	282	return res;
262	}
263	}
264		283
		284	c = get_u8 ();
		285	}
		286	}
		287
265	static U32	288	static UV
266	get_length (void)	289	get_length (void)
267	{	290	{
268	U32 res = get_u8 ();	291	UV res = get_u8 ();
269		292
270	if (res & 0x80)	293	if (expect_false (res & 0x80))
271	{	294	{
272	int cnt = res & 0x7f;	295	U8 cnt = res & 0x7f;
		296
		297	// this genewrates quite ugly code, but the overhead
		298	// of copying the bytes for these lengths is probably so high
		299	// that a slightly inefficient get_length won't matter.
		300
		301	if (expect_false (cnt == 0))
		302	error ("invalid use of indefinite BER length form in primitive encoding (X.690 8.1.3.2)");
		303
		304	if (expect_false (cnt > UVSIZE))
		305	error ("BER value length too long (must fit into UV) or BER reserved value in length (X.690 8.1.3.5)");
		306
		307	want (cnt);
		308
273	res = 0;	309	res = 0;
274		310	do
275	switch (cnt)	311	res = (res << 8) \| *cur++;
276	{	312	while (--cnt);
277	case 0:
278	error ("indefinite ASN.1 lengths not supported");
279	return 0;
280
281	default:
282	error ("ASN.1 length too long");
283	return 0;
284
285	case 4: res = (res << 8) \| get_u8 ();
286	case 3: res = (res << 8) \| get_u8 ();
287	case 2: res = (res << 8) \| get_u8 ();
288	case 1: res = (res << 8) \| get_u8 ();
289	}
290	}	313	}
291		314
292	return res;	315	return res;
293	}	316	}
294		317
295	static SV *	318	static SV *
296	decode_int ()	319	decode_int (UV len)
297	{	320	{
298	int len = get_length ();
299
300	if (len <= 0)	321	if (!len)
301	{	322	error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
302	error ("integer length equal to zero");
303	return 0;
304	}
305		323
306	U8 *data = get_n (len);	324	U8 *data = get_n (len);
307		325
		326	if (expect_false (len > 1))
		327	{
		328	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		329
		330	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		331	error ("invalid padding in BER_TYPE_INT (X.690 8.3.2)");
		332	}
		333
308	int negative = data [0] & 0x80;	334	int negative = data [0] & 0x80;
309		335
310	UV val = negative ? -1 : 0; // copy signbit to all bits	336	UV val = negative ? -1 : 0; // copy signbit to all bits
		337
		338	if (len > UVSIZE + (!negative && !*data))
		339	error ("BER_TYPE_INT overflow");
311		340
312	do	341	do
313	val = (val << 8) \| *data++;	342	val = (val << 8) \| *data++;
314	while (--len);	343	while (--len);
315		344
…		…
317	// but that's ok, as perl relies on it as well.	346	// but that's ok, as perl relies on it as well.
318	return negative ? newSViv ((IV)val) : newSVuv (val);	347	return negative ? newSViv ((IV)val) : newSVuv (val);
319	}	348	}
320		349
321	static SV *	350	static SV *
322	decode_data (void)	351	decode_data (UV len)
323	{	352	{
324	U32 len = get_length ();
325	U8 *data = get_n (len);
326	return newSVpvn ((char *)data, len);	353	return newSVpvn ((char *)get_n (len), len);
327	}	354	}
328		355
329	// gelper for decode_object_identifier	356	// helper for decode_object_identifier
330	static char *	357	static char *
331	write_uv (char *buf, U32 u)	358	write_uv (char *buf, UV u)
332	{	359	{
333	// the one-digit case is absolutely predominant, so this pays off (hopefully)	360	// the one-digit case is absolutely predominant, so this pays off (hopefully)
334	if (expect_true (u < 10))	361	if (expect_true (u < 10))
335	*buf++ = u + '0';	362	*buf++ = u + '0';
336	else	363	else
337	{	364	{
		365	// this could be done much faster using branchless fixed-point arithmetics
338	char *beg = buf;	366	char *beg = buf;
339		367
340	do	368	do
341	{	369	{
342	*buf++ = u % 10 + '0';	370	*buf++ = u % 10 + '0';
343	u /= 10;	371	u /= 10;
344	}	372	}
345	while (u);	373	while (u);
346		374
347	// reverse digits	375	// reverse digits
348	for (char *ptr = buf; --ptr != beg; ++beg)	376	char *ptr = buf;
		377	while (--ptr > beg)
349	{	378	{
350	char c = *ptr;	379	char c = *ptr;
351	ptr = beg;	380	ptr = beg;
352	*beg = c;	381	*beg = c;
		382	++beg;
353	}	383	}
354	}	384	}
355		385
356	return buf;	386	return buf;
357	}	387	}
358		388
359	static SV *	389	static SV *
360	decode_oid (int relative)	390	decode_oid (UV len, int relative)
361	{	391	{
362	U32 len = get_length ();
363
364	if (len <= 0)	392	if (len <= 0)
365	{	393	{
366	error ("OBJECT IDENTIFIER length equal to zero");	394	error ("BER_TYPE_OID length must not be zero");
367	return &PL_sv_undef;	395	return &PL_sv_undef;
368	}	396	}
369		397
370	U8 *end = cur + len;	398	U8 *end = cur + len;
371	U32 w = get_w ();	399	UV w = get_w ();
372		400
373	static char oid[MAX_OID_STRLEN]; // must be static	401	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
374	char *app = oid;	402	char *app = oid;
375		403
376	if (relative)	404	if (relative)
377	app = write_uv (app, w);	405	app = write_uv (app, w);
378	else	406	else
379	{	407	{
		408	UV w1, w2;
		409
		410	if (w < 2 * 40)
		411	(w1 = w / 40), (w2 = w % 40);
		412	else
		413	(w1 = 2), (w2 = w - 2 * 40);
		414
380	app = write_uv (app, (U8)w / 40);	415	app = write_uv (app, w1);
381	*app++ = '.';	416	*app++ = '.';
382	app = write_uv (app, (U8)w % 40);	417	app = write_uv (app, w2);
		418	}
		419
		420	while (cur < end)
383	}	421	{
384
385	// we assume an oid component is never > 64 bytes	422	// we assume an oid component is never > 64 digits
386	while (cur < end && oid + sizeof (oid) - app > 64)	423	if (oid + sizeof (oid) - app < 64)
387	{	424	croak ("BER_TYPE_OID to long to decode");
		425
388	w = get_w ();	426	w = get_w ();
389	*app++ = '.';	427	*app++ = '.';
390	app = write_uv (app, w);	428	app = write_uv (app, w);
391	}	429	}
392		430
393	return newSVpvn (oid, app - oid);	431	return newSVpvn (oid, app - oid);
394	}	432	}
395		433
		434	// oh my, this is a total mess
		435	static SV *
		436	decode_real (UV len)
		437	{
		438	SV *res;
		439	U8 *beg = cur;
		440
		441	if (len == 0)
		442	res = newSVnv (0.);
		443	else
		444	{
		445	U8 info = get_u8 ();
		446
		447	if (info & 0x80)
		448	{
		449	// binary
		450	static const U8 base[] = { 2, 8, 16, 0 };
		451	NV S = info & 0x40 ? -1 : 1; // sign
		452	NV B = base [(info >> 4) & 3]; // base
		453	NV F = 1 << ((info >> 2) & 3); // scale factor ("shift")
		454	int L = info & 3; // exponent length
		455
		456	if (!B)
		457	croak ("BER_TYPE_REAL binary encoding uses invalid base (0x%02x)", info);
		458
		459	SAVETMPS;
		460
		461	SV *E = sv_2mortal (decode_int (L == 3 ? get_u8 () : L + 1));
		462	SV *M = sv_2mortal (decode_int (len - (cur - beg)));
		463
		464	res = newSVnv (S * SvNV (M) * F * Perl_pow (B, SvNV (E)));
		465
		466	FREETMPS;
		467	}
		468	else if (info & 0x40)
		469	{
		470	// SpecialRealValue
		471	U8 special = get_u8 ();
		472	NV val;
		473
		474	switch (special)
		475	{
		476	case 0x40: val = NV_INF; break;
		477	case 0x41: val = -NV_INF; break;
		478	case 0x42: val = NV_NAN; break;
		479	case 0x43: val = -(NV)0.; break;
		480
		481	default:
		482	croak ("BER_TYPE_REAL SpecialRealValues invalid encoding 0x%02x (X.690 8.5.9)", special);
		483	}
		484
		485	res = newSVnv (val);
		486	}
		487	else
		488	{
		489	// decimal
		490	dSP;
		491	SAVETMPS;
		492	PUSHMARK (SP);
		493	EXTEND (SP, 2);
		494	PUSHs (sv_2mortal (newSVcacheint (info & 0x3f)));
		495	PUSHs (sv_2mortal (newSVpvn (get_n (len - 1), len - 1)));
		496	PUTBACK;
		497	call_pv ("Convert::BER::XS::_decode_real_decimal", G_SCALAR);
		498	SPAGAIN;
		499	res = SvREFCNT_inc_NN (POPs);
		500	PUTBACK;
		501	FREETMPS;
		502	}
		503	}
		504
		505	if (cur - beg != len)
		506	{
		507	SvREFCNT_dec_NN (res);
		508	croak ("BER_TYPE_REAL invalid content length (X.690 8,5)");
		509	}
		510
		511	return res;
		512	}
		513
396	// TODO: this is unacceptably slow	514	// TODO: this is unacceptably slow
397	static SV *	515	static SV *
398	decode_ucs (int chrsize)	516	decode_ucs (UV len, int chrsize)
399	{	517	{
400	SV *res = NEWSV (0, 0);
401
402	U32 len = get_length ();
403
404	if (len & (chrsize - 1))	518	if (len & (chrsize - 1))
405	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	519	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		520
		521	SV *res = NEWSV (0, 0);
406		522
407	while (len)	523	while (len)
408	{	524	{
409	U8 b1 = get_u8 ();	525	U8 b1 = get_u8 ();
410	U8 b2 = get_u8 ();	526	U8 b2 = get_u8 ();
…		…
428		544
429	return res;	545	return res;
430	}	546	}
431		547
432	static SV *	548	static SV *
433	decode_ber ()	549	decode_ber (void)
434	{	550	{
435	int identifier = get_u8 ();	551	int identifier = get_u8 ();
436		552
437	SV *res;	553	SV *res;
438		554
…		…
441	int tag = identifier & ASN_TAG_MASK;	557	int tag = identifier & ASN_TAG_MASK;
442		558
443	if (tag == ASN_TAG_BER)	559	if (tag == ASN_TAG_BER)
444	tag = get_w ();	560	tag = get_w ();
445		561
446	if (tag == ASN_TAG_BER)
447	tag = get_w ();
448
449	if (constructed)	562	if (constructed)
450	{	563	{
451	U32 len = get_length ();	564	want (1);
452	U32 seqend = (cur - buf) + len;
453	AV av = (AV )sv_2mortal ((SV *)newAV ());	565	AV av = (AV )sv_2mortal ((SV *)newAV ());
454		566
455	while (cur < buf + seqend)	567	if (expect_false (*cur == 0x80))
		568	{
		569	// indefinite length
		570	++cur;
		571
		572	for (;;)
		573	{
		574	want (2);
		575	if (!cur [0] && !cur [1])
		576	{
		577	cur += 2;
		578	break;
		579	}
		580
456	av_push (av, decode_ber ());	581	av_push (av, decode_ber ());
		582	}
		583	}
		584	else
		585	{
		586	UV len = get_length ();
		587	UV seqend = (cur - buf) + len;
457		588
458	if (cur > buf + seqend)	589	while (cur < buf + seqend)
		590	av_push (av, decode_ber ());
		591
		592	if (expect_false (cur > buf + seqend))
459	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	593	croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
		594	}
460		595
461	res = newRV_inc ((SV *)av);	596	res = newRV_inc ((SV *)av);
462	}	597	}
463	else	598	else
		599	{
		600	UV len = get_length ();
		601
464	switch (profile_lookup (cur_profile, klass, tag))	602	switch (profile_lookup (cur_profile, klass, tag))
465	{	603	{
466	case BER_TYPE_NULL:	604	case BER_TYPE_NULL:
		605	if (expect_false (len))
		606	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		607
467	res = &PL_sv_undef;	608	res = &PL_sv_undef;
468	break;	609	break;
469		610
470	case BER_TYPE_BOOL:	611	case BER_TYPE_BOOL:
471	{
472	U32 len = get_length ();
473
474	if (len != 1)	612	if (expect_false (len != 1))
475	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);	613	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
476		614
477	res = newSVcacheint (get_u8 () ? 0 : 1);	615	res = newSVcacheint (!!get_u8 ());
478	}
479	break;	616	break;
480		617
481	case BER_TYPE_OID:	618	case BER_TYPE_OID:
482	res = decode_oid (0);	619	res = decode_oid (len, 0);
483	break;	620	break;
484		621
485	case BER_TYPE_RELOID:	622	case BER_TYPE_RELOID:
486	res = decode_oid (1);	623	res = decode_oid (len, 1);
487	break;	624	break;
488		625
489	case BER_TYPE_INT:	626	case BER_TYPE_INT:
490	res = decode_int ();	627	res = decode_int (len);
491	break;	628	break;
492		629
493	case BER_TYPE_UTF8:	630	case BER_TYPE_UTF8:
494	res = decode_data ();	631	res = decode_data (len);
495	SvUTF8_on (res);	632	SvUTF8_on (res);
496	break;	633	break;
497		634
498	case BER_TYPE_BYTES:	635	case BER_TYPE_BYTES:
499	res = decode_data ();	636	res = decode_data (len);
500	break;	637	break;
501		638
502	case BER_TYPE_IPADDRESS:	639	case BER_TYPE_IPADDRESS:
503	{	640	{
504	U32 len = get_length ();
505
506	if (len != 4)	641	if (len != 4)
507	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	642	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
508		643
509	U8 c1 = get_u8 ();	644	U8 *data = get_n (4);
510	U8 c2 = get_u8 ();	645	res = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]);
511	U8 c3 = get_u8 ();
512	U8 c4 = get_u8 ();
513
514	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
515	}	646	}
516	break;	647	break;
517		648
518	case BER_TYPE_UCS2:	649	case BER_TYPE_UCS2:
519	res = decode_ucs (2);	650	res = decode_ucs (len, 2);
520	break;	651	break;
521		652
522	case BER_TYPE_UCS4:	653	case BER_TYPE_UCS4:
523	res = decode_ucs (4);	654	res = decode_ucs (len, 4);
524	break;	655	break;
525		656
526	case BER_TYPE_REAL:	657	case BER_TYPE_REAL:
		658	res = decode_real (len);
		659	break;
		660
527	case BER_TYPE_CROAK:	661	case BER_TYPE_CROAK:
		662	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		663
528	default:	664	default:
529	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	665	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
530	}	666	}
		667	}
531		668
532	AV *av = newAV ();	669	AV *av = newAV ();
533	av_fill (av, BER_ARRAYSIZE - 1);	670	av_fill (av, BER_ARRAYSIZE - 1);
534	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	671	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
535	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	672	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
536	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	673	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
537	AvARRAY (av)[BER_DATA ] = res;	674	AvARRAY (av)[BER_DATA ] = res;
538		675
539	return newRV_noinc ((SV *)av);	676	return newRV_noinc ((SV *)av);
540	}	677	}
541		678
542	/////////////////////////////////////////////////////////////////////////////	679	/////////////////////////////////////////////////////////////////////////////
…		…
547	strlen_sum (STRLEN l1, STRLEN l2)	684	strlen_sum (STRLEN l1, STRLEN l2)
548	{	685	{
549	size_t sum = l1 + l2;	686	size_t sum = l1 + l2;
550		687
551	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	688	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
552	croak ("JSON::XS: string size overflow");	689	croak ("Convert::BER::XS: string size overflow");
553		690
554	return sum;	691	return sum;
555	}	692	}
556		693
557	static void	694	static void
…		…
595	need (1);	732	need (1);
596	*cur++ = val;	733	*cur++ = val;
597	}	734	}
598		735
599	static void	736	static void
600	put_w_nocheck (U32 val)	737	put_w_nocheck (UV val)
601	{	738	{
		739	#if UVSIZE > 4
		740	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		741	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		742	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		743	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		744	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		745	#endif
602	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	746	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
603	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	747	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
604	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	748	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
605	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	749	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
606	*cur = val & 0x7f; cur += 1;	750	*cur = val & 0x7f; cur += 1;
607	}	751	}
608		752
609	static void	753	static void
610	put_w (U32 val)	754	put_w (UV val)
611	{	755	{
612	need (5); // we only handle up to 5 bytes	756	need (5); // we only handle up to 5 bytes
613		757
614	put_w_nocheck (val);	758	put_w_nocheck (val);
615	}	759	}
616		760
617	static U8 *	761	static U8 *
618	put_length_at (U32 val, U8 *cur)	762	put_length_at (UV val, U8 *cur)
619	{	763	{
620	if (val < 0x7fU)	764	if (val <= 0x7fU)
621	*cur++ = val;	765	*cur++ = val;
622	else	766	else
623	{	767	{
624	U8 *lenb = cur++;	768	U8 *lenb = cur++;
625		769
626	cur = val >> 24; cur += cur > 0;	770	#if UVSIZE > 4
627	cur = val >> 16; cur += cur > 0;	771	cur = val >> 56; cur += val >= ((UV)1 << (8 7));
628	cur = val >> 8; cur += cur > 0;	772	cur = val >> 48; cur += val >= ((UV)1 << (8 6));
		773	cur = val >> 40; cur += val >= ((UV)1 << (8 5));
		774	cur = val >> 32; cur += val >= ((UV)1 << (8 4));
		775	#endif
		776	cur = val >> 24; cur += val >= ((UV)1 << (8 3));
		777	cur = val >> 16; cur += val >= ((UV)1 << (8 2));
		778	cur = val >> 8; cur += val >= ((UV)1 << (8 1));
629	*cur = val ; cur += 1;	779	*cur = val ; cur += 1;
630		780
631	*lenb = 0x80 + cur - lenb - 1;	781	*lenb = 0x80 + cur - lenb - 1;
632	}	782	}
633		783
634	return cur;	784	return cur;
635	}	785	}
636		786
637	static void	787	static void
638	put_length (U32 val)	788	put_length (UV val)
639	{	789	{
640	need (5 + val);	790	need (9 + val);
641	cur = put_length_at (val, cur);	791	cur = put_length_at (val, cur);
642	}	792	}
643		793
644	// return how many bytes the encoded length requires	794	// return how many bytes the encoded length requires
645	static int length_length (U32 val)	795	static int length_length (UV val)
646	{	796	{
647	return val < 0x7fU	797	// use hashing with a DeBruin sequence, anyone?
		798	return expect_true (val <= 0x7fU)
648	? 1	799	? 1
649	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	800	: 2
		801	+ (val > 0x000000000000ffU)
		802	+ (val > 0x0000000000ffffU)
		803	+ (val > 0x00000000ffffffU)
		804	#if UVSIZE > 4
		805	+ (val > 0x000000ffffffffU)
		806	+ (val > 0x0000ffffffffffU)
		807	+ (val > 0x00ffffffffffffU)
		808	+ (val > 0xffffffffffffffU)
		809	#endif
		810	;
650	}	811	}
651		812
652	static void	813	static void
653	encode_data (const char *ptr, STRLEN len)	814	encode_data (const char *ptr, STRLEN len)
654	{	815	{
…		…
716		877
717	*lenb = cur - lenb - 1;	878	*lenb = cur - lenb - 1;
718	}	879	}
719		880
720	// we don't know the length yet, so we optimistically	881	// we don't know the length yet, so we optimistically
721	// assume the length will need one octet later. if that	882	// assume the length will need one octet later. If that
722	// turns out to be wrong, we memove as needed.	883	// turns out to be wrong, we memmove as needed.
723	// mark the beginning	884	// mark the beginning
724	static STRLEN	885	static STRLEN
725	len_fixup_mark ()	886	len_fixup_mark (void)
726	{	887	{
727	return cur++ - buf;	888	return cur++ - buf;
728	}	889	}
729		890
730	// patch up the length	891	// patch up the length
…		…
787	}	948	}
788		949
789	len_fixup (mark);	950	len_fixup (mark);
790	}	951	}
791		952
792	// check whether an SV is a BER tuple and returns its AV *	953	static void
793	static AV *	954	encode_real (SV *data)
794	ber_tuple (SV *tuple)
795	{	955	{
796	SV *rv;	956	NV nv = SvNV (data);
797		957
798	if (expect_false (!SvROK (tuple) \|\| SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV))	958	if (expect_false (nv == (NV)0.))
799	croak ("BER tuple must be array-reference");	959	{
		960	if (signbit (nv))
		961	{
		962	// negative zero
		963	need (3);
		964	*cur++ = 2;
		965	*cur++ = 0x40;
		966	*cur++ = 0x43;
		967	}
		968	else
		969	{
		970	// positive zero
		971	need (1);
		972	*cur++ = 0;
		973	}
		974	}
		975	else if (expect_false (Perl_isinf (nv)))
		976	{
		977	need (3);
		978	*cur++ = 2;
		979	*cur++ = 0x40;
		980	*cur++ = nv < (NV)0. ? 0x41 : 0x40;
		981	}
		982	else if (expect_false (Perl_isnan (nv)))
		983	{
		984	need (3);
		985	*cur++ = 2;
		986	*cur++ = 0x40;
		987	*cur++ = 0x42;
		988	}
		989	else
		990	{
		991	// use decimal encoding
		992	dSP;
		993	SAVETMPS;
		994	PUSHMARK (SP);
		995	EXTEND (SP, 2);
		996	PUSHs (data);
		997	PUSHs (sv_2mortal (newSVcacheint (NV_DIG)));
		998	PUTBACK;
		999	call_pv ("Convert::BER::XS::_encode_real_decimal", G_SCALAR);
		1000	SPAGAIN;
800		1001
801	if (expect_false (SvRMAGICAL (rv)))	1002	SV *sv = POPs;
802	croak ("BER tuple must not be tied");	1003	STRLEN l;
		1004	char *f = SvPV (sv, l);
803		1005
804	if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1))	1006	put_length (l);
805	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1);	1007	memcpy (cur, f, l);
		1008	cur += l;
806		1009
807	return (AV *)rv;	1010	PUTBACK;
		1011	FREETMPS;
		1012	}
808	}	1013	}
809		1014
810	static void	1015	static void
811	encode_ucs (SV *data, int chrsize)	1016	encode_ucs (SV *data, int chrsize)
812	{	1017	{
…		…
832		1037
833	*cur++ = uchr >> 8;	1038	*cur++ = uchr >> 8;
834	*cur++ = uchr;	1039	*cur++ = uchr;
835	}	1040	}
836	}	1041	}
		1042
		1043	// check whether an SV is a BER tuple and returns its AV *
		1044	static AV *
		1045	ber_tuple (SV *tuple)
		1046	{
		1047	SV *rv;
		1048
		1049	if (expect_false (!SvROK (tuple) \|\| SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV))
		1050	croak ("BER tuple must be array-reference");
		1051
		1052	if (expect_false (SvRMAGICAL (rv)))
		1053	croak ("BER tuple must not be tied");
		1054
		1055	if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1))
		1056	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1);
		1057
		1058	return (AV *)rv;
		1059	}
		1060
837	static void	1061	static void
838	encode_ber (SV *tuple)	1062	encode_ber (SV *tuple)
839	{	1063	{
840	AV *av = ber_tuple (tuple);	1064	AV *av = ber_tuple (tuple);
841		1065
842	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	1066	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
843	int tag = SvIV (AvARRAY (av)[BER_TAG]);	1067	int tag = SvIV (AvARRAY (av)[BER_TAG]);
844	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	1068	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
845	SV *data = AvARRAY (av)[BER_DATA];	1069	SV *data = AvARRAY (av)[BER_DATA];
846		1070
847	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	1071	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
848		1072
849	if (expect_false (tag >= ASN_TAG_BER))	1073	if (expect_false (tag >= ASN_TAG_BER))
…		…
860	// and adjust later	1084	// and adjust later
861	need (1);	1085	need (1);
862	STRLEN mark = len_fixup_mark ();	1086	STRLEN mark = len_fixup_mark ();
863		1087
864	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))	1088	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
865	croak ("BER constructed data must be array-reference");	1089	croak ("BER CONSTRUCTED data must be array-reference");
866		1090
867	AV av = (AV )SvRV (data);	1091	AV av = (AV )SvRV (data);
868	int fill = AvFILL (av);	1092	int fill = AvFILL (av);
869		1093
870	if (expect_false (SvRMAGICAL (av)))	1094	if (expect_false (SvRMAGICAL (av)))
871	croak ("BER constructed data must not be tied");	1095	croak ("BER CONSTRUCTED data must not be tied");
872		1096
		1097	int i;
873	for (int i = 0; i <= fill; ++i)	1098	for (i = 0; i <= fill; ++i)
874	encode_ber (AvARRAY (av)[i]);	1099	encode_ber (AvARRAY (av)[i]);
875		1100
876	len_fixup (mark);	1101	len_fixup (mark);
877	}	1102	}
878	else	1103	else
…		…
882	put_length (0);	1107	put_length (0);
883	break;	1108	break;
884		1109
885	case BER_TYPE_BOOL:	1110	case BER_TYPE_BOOL:
886	put_length (1);	1111	put_length (1);
887	*cur++ = SvTRUE (data) ? 0xff : 0x00;	1112	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
888	break;	1113	break;
889		1114
890	case BER_TYPE_OID:	1115	case BER_TYPE_OID:
891	encode_oid (data, 0);	1116	encode_oid (data, 0);
892	break;	1117	break;
…		…
930	case BER_TYPE_UCS4:	1155	case BER_TYPE_UCS4:
931	encode_ucs (data, 4);	1156	encode_ucs (data, 4);
932	break;	1157	break;
933		1158
934	case BER_TYPE_REAL:	1159	case BER_TYPE_REAL:
		1160	encode_real (data);
		1161	break;
		1162
935	case BER_TYPE_CROAK:	1163	case BER_TYPE_CROAK:
		1164	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		1165
936	default:	1166	default:
937	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	1167	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
938	}	1168	}
939		1169
940	}	1170	}
…		…
955	const char *name;	1185	const char *name;
956	IV iv;	1186	IV iv;
957	} *civ, const_iv[] = {	1187	} *civ, const_iv[] = {
958	#define const_iv(name) { # name, name },	1188	#define const_iv(name) { # name, name },
959	const_iv (ASN_BOOLEAN)	1189	const_iv (ASN_BOOLEAN)
960	const_iv (ASN_INTEGER32)	1190	const_iv (ASN_INTEGER)
961	const_iv (ASN_BIT_STRING)	1191	const_iv (ASN_BIT_STRING)
962	const_iv (ASN_OCTET_STRING)	1192	const_iv (ASN_OCTET_STRING)
963	const_iv (ASN_NULL)	1193	const_iv (ASN_NULL)
964	const_iv (ASN_OBJECT_IDENTIFIER)	1194	const_iv (ASN_OBJECT_IDENTIFIER)
965	const_iv (ASN_OBJECT_DESCRIPTOR)	1195	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
994	const_iv (ASN_CONTEXT)	1224	const_iv (ASN_CONTEXT)
995	const_iv (ASN_PRIVATE)	1225	const_iv (ASN_PRIVATE)
996		1226
997	const_iv (BER_CLASS)	1227	const_iv (BER_CLASS)
998	const_iv (BER_TAG)	1228	const_iv (BER_TAG)
999	const_iv (BER_CONSTRUCTED)	1229	const_iv (BER_FLAGS)
1000	const_iv (BER_DATA)	1230	const_iv (BER_DATA)
1001		1231
1002	const_iv (BER_TYPE_BYTES)	1232	const_iv (BER_TYPE_BYTES)
1003	const_iv (BER_TYPE_UTF8)	1233	const_iv (BER_TYPE_UTF8)
1004	const_iv (BER_TYPE_UCS2)	1234	const_iv (BER_TYPE_UCS2)
…		…
1012	const_iv (BER_TYPE_IPADDRESS)	1242	const_iv (BER_TYPE_IPADDRESS)
1013	const_iv (BER_TYPE_CROAK)	1243	const_iv (BER_TYPE_CROAK)
1014		1244
1015	const_iv (SNMP_IPADDRESS)	1245	const_iv (SNMP_IPADDRESS)
1016	const_iv (SNMP_COUNTER32)	1246	const_iv (SNMP_COUNTER32)
		1247	const_iv (SNMP_GAUGE32)
1017	const_iv (SNMP_UNSIGNED32)	1248	const_iv (SNMP_UNSIGNED32)
1018	const_iv (SNMP_TIMETICKS)	1249	const_iv (SNMP_TIMETICKS)
1019	const_iv (SNMP_OPAQUE)	1250	const_iv (SNMP_OPAQUE)
1020	const_iv (SNMP_COUNTER64)	1251	const_iv (SNMP_COUNTER64)
1021	};	1252	};
1022		1253
1023	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1254	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1024	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1255	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1025	}	1256	}
1026		1257
1027	SV *	1258	void
1028	ber_decode (SV ber, SV profile = &PL_sv_undef)	1259	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1260	ALIAS:
		1261	ber_decode_prefix = 1
1029	CODE:	1262	PPCODE:
1030	{	1263	{
1031	cur_profile = SvPROFILE (profile);	1264	cur_profile = SvPROFILE (profile);
1032	STRLEN len;	1265	STRLEN len;
1033	buf = (U8 *)SvPVbyte (ber, len);	1266	buf = (U8 *)SvPVbyte (ber, len);
1034	cur = buf;	1267	cur = buf;
1035	end = buf + len;	1268	end = buf + len;
1036		1269
		1270	PUTBACK;
1037	RETVAL = decode_ber ();	1271	SV *tuple = decode_ber ();
		1272	SPAGAIN;
		1273
		1274	EXTEND (SP, 2);
		1275	PUSHs (sv_2mortal (tuple));
		1276
		1277	if (ix)
		1278	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1279	else if (cur != end)
		1280	error ("trailing garbage after BER value");
1038	}	1281	}
1039	OUTPUT: RETVAL
1040		1282
1041	void	1283	void
1042	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1284	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
1043	PPCODE:	1285	PPCODE:
1044	{	1286	{
1045	if (!SvOK (tuple))	1287	if (!SvOK (tuple))
1046	XSRETURN_NO;	1288	XSRETURN_NO;
1047		1289
…		…
1049	croak ("ber_is: tuple must be BER tuple (array-ref)");	1291	croak ("ber_is: tuple must be BER tuple (array-ref)");
1050		1292
1051	AV av = (AV )SvRV (tuple);	1293	AV av = (AV )SvRV (tuple);
1052		1294
1053	XPUSHs (	1295	XPUSHs (
1054	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1296	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
1055	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1297	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
1056	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1298	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
1057	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1299	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
1058	? &PL_sv_yes : &PL_sv_undef);	1300	? &PL_sv_yes : &PL_sv_undef);
1059	}	1301	}
1060		1302
1061	void	1303	void
1062	ber_is_seq (SV *tuple)	1304	ber_is_seq (SV *tuple)
…		…
1066	XSRETURN_UNDEF;	1308	XSRETURN_UNDEF;
1067		1309
1068	AV *av = ber_tuple (tuple);	1310	AV *av = ber_tuple (tuple);
1069		1311
1070	XPUSHs (	1312	XPUSHs (
1071	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1313	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1072	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1314	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
1073	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1315	&& SvIV (AvARRAY (av)[BER_FLAGS])
1074	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1316	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
1075	}	1317	}
1076		1318
1077	void	1319	void
1078	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1320	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1079	PPCODE:	1321	PPCODE:
1080	{	1322	{
1081	if (!SvOK (tuple))	1323	if (!SvOK (tuple))
1082	XSRETURN_NO;	1324	XSRETURN_NO;
1083		1325
1084	AV *av = ber_tuple (tuple);	1326	AV *av = ber_tuple (tuple);
1085		1327
1086	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1328	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1087		1329
1088	XPUSHs (	1330	XPUSHs (
1089	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1331	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1090	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1332	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1091	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1333	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1092	&& (!SvOK (value) \|\| data == SvIV (value))	1334	&& (!SvOK (value) \|\| data == SvUV (value))
1093	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1335	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1094	: &PL_sv_undef);	1336	: &PL_sv_undef);
1095	}	1337	}
1096		1338
1097	void	1339	void
1098	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1340	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1102	XSRETURN_NO;	1344	XSRETURN_NO;
1103		1345
1104	AV *av = ber_tuple (tuple);	1346	AV *av = ber_tuple (tuple);
1105		1347
1106	XPUSHs (	1348	XPUSHs (
1107	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1349	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1108	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1350	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1109	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1351	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1110	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1352	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1111	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1353	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1112	}	1354	}
1113		1355
1114	#############################################################################	1356	#############################################################################
…		…
1120	cur_profile = SvPROFILE (profile);	1362	cur_profile = SvPROFILE (profile);
1121	buf_sv = sv_2mortal (NEWSV (0, 256));	1363	buf_sv = sv_2mortal (NEWSV (0, 256));
1122	SvPOK_only (buf_sv);	1364	SvPOK_only (buf_sv);
1123	set_buf (buf_sv);	1365	set_buf (buf_sv);
1124		1366
		1367	PUTBACK;
1125	encode_ber (tuple);	1368	encode_ber (tuple);
		1369	SPAGAIN;
1126		1370
1127	SvCUR_set (buf_sv, cur - buf);	1371	SvCUR_set (buf_sv, cur - buf);
1128	XPUSHs (buf_sv);	1372	XPUSHs (buf_sv);
1129	}	1373	}
1130		1374
1131	SV *	1375	SV *
1132	ber_i32 (IV iv)	1376	ber_int (SV *sv)
1133	CODE:	1377	CODE:
1134	{	1378	{
1135	AV *av = newAV ();	1379	AV *av = newAV ();
1136	av_fill (av, BER_ARRAYSIZE - 1);	1380	av_fill (av, BER_ARRAYSIZE - 1);
1137	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1381	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1138	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1382	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1139	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1383	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1140	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1384	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1141	RETVAL = newRV_noinc ((SV *)av);	1385	RETVAL = newRV_noinc ((SV *)av);
1142	}	1386	}
1143	OUTPUT: RETVAL	1387	OUTPUT: RETVAL
1144		1388
1145	# TODO: not arrayref, but elements?	1389	# TODO: not arrayref, but elements?
…		…
1147	ber_seq (SV *arrayref)	1391	ber_seq (SV *arrayref)
1148	CODE:	1392	CODE:
1149	{	1393	{
1150	AV *av = newAV ();	1394	AV *av = newAV ();
1151	av_fill (av, BER_ARRAYSIZE - 1);	1395	av_fill (av, BER_ARRAYSIZE - 1);
1152	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1396	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1153	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1397	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1154	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1398	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1155	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1399	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1156	RETVAL = newRV_noinc ((SV *)av);	1400	RETVAL = newRV_noinc ((SV *)av);
1157	}	1401	}
1158	OUTPUT: RETVAL	1402	OUTPUT: RETVAL
1159		1403
1160	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1404	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs. Revision 1.34 by root, Thu Feb 6 11:51:40 2020 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs.
Revision 1.34 by root, Thu Feb 6 11:51:40 2020 UTC