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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC vs.
Revision 1.13 by root, Sat Apr 20 13:46:14 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_INTEGER32 = 0x02,
11	ASN_BIT_STRING = 0x03,	14	ASN_BIT_STRING = 0x03,
12	ASN_OCTET_STRING = 0x04,	15	ASN_OCTET_STRING = 0x04,
13	ASN_NULL = 0x05,	16	ASN_NULL = 0x05,
14	ASN_OBJECT_IDENTIFIER = 0x06,	17	ASN_OBJECT_IDENTIFIER = 0x06,
15	ASN_OID = 0x06, //X	18	ASN_OID = 0x06,
16	ASN_OBJECT_DESCRIPTOR = 0x07, //X	19	ASN_OBJECT_DESCRIPTOR = 0x07,
17	ASN_EXTERNAL = 0x08, //X	20	ASN_EXTERNAL = 0x08,
18	ASN_REAL = 0x09, //X	21	ASN_REAL = 0x09,
19	ASN_ENUMERATED = 0x0a, //X	22	ASN_ENUMERATED = 0x0a,
20	ASN_EMBEDDED_PDV = 0x0b, //X	23	ASN_EMBEDDED_PDV = 0x0b,
21	ASN_UTF8_STRING = 0x0c, //X	24	ASN_UTF8_STRING = 0x0c,
22	ASN_RELATIVE_OID = 0x0d, //X	25	ASN_RELATIVE_OID = 0x0d,
23	ASN_SEQUENCE = 0x10,	26	ASN_SEQUENCE = 0x10,
24	ASN_SET = 0x11, //X	27	ASN_SET = 0x11,
25	ASN_NUMERIC_STRING = 0x12, //X	28	ASN_NUMERIC_STRING = 0x12,
26	ASN_PRINTABLE_STRING = 0x13, //X	29	ASN_PRINTABLE_STRING = 0x13,
27	ASN_TELETEX_STRING = 0x14, //X	30	ASN_TELETEX_STRING = 0x14,
28	ASN_T61_STRING = 0x14, //X	31	ASN_T61_STRING = 0x14,
29	ASN_VIDEOTEX_STRING = 0x15, //X	32	ASN_VIDEOTEX_STRING = 0x15,
30	ASN_IA5_STRING = 0x16, //X	33	ASN_IA5_STRING = 0x16,
31	ASN_ASCII_STRING = 0x16, //X	34	ASN_ASCII_STRING = 0x16,
32	ASN_UTC_TIME = 0x17, //X	35	ASN_UTC_TIME = 0x17,
33	ASN_GENERALIZED_TIME = 0x18, //X	36	ASN_GENERALIZED_TIME = 0x18,
34	ASN_GRAPHIC_STRING = 0x19, //X	37	ASN_GRAPHIC_STRING = 0x19,
35	ASN_VISIBLE_STRING = 0x1a, //X	38	ASN_VISIBLE_STRING = 0x1a,
36	ASN_ISO646_STRING = 0x1a, //X	39	ASN_ISO646_STRING = 0x1a,
37	ASN_GENERAL_STRING = 0x1b, //X	40	ASN_GENERAL_STRING = 0x1b,
38	ASN_UNIVERSAL_STRING = 0x1c, //X	41	ASN_UNIVERSAL_STRING = 0x1c,
39	ASN_CHARACTER_STRING = 0x1d, //X	42	ASN_CHARACTER_STRING = 0x1d,
40	ASN_BMPSTRING = 0x1e, //X	43	ASN_BMP_STRING = 0x1e,
41		44
42	ASN_TAG_BER = 0x1f,	45	ASN_TAG_BER = 0x1f,
43	ASN_TAG_MASK = 0x1f,	46	ASN_TAG_MASK = 0x1f,
44		47
45	// primitive/constructed	48	// primitive/constructed
46	ASN_CONSTRUCTED = 0x20,	49	ASN_CONSTRUCTED = 0x20,
47		50
48	// ASN_CLASS	51	// ASN_CLASS
49	ASN_UNIVERSAL = 0x00,	52	ASN_UNIVERSAL = 0x00,
50	ASN_APPLICATION = 0x40,	53	ASN_APPLICATION = 0x01,
51	ASN_CONTEXT = 0x80,	54	ASN_CONTEXT = 0x02,
52	ASN_PRIVATE = 0xc0,	55	ASN_PRIVATE = 0x03,
53		56
54	ASN_CLASS_MASK = 0xc0,	57	ASN_CLASS_MASK = 0xc0,
55	ASN_CLASS_SHIFT = 6,	58	ASN_CLASS_SHIFT = 6,
56		59
57	// ASN_APPLICATION SNMP	60	// ASN_APPLICATION SNMP
62	SNMP_OPAQUE = 0x04,	65	SNMP_OPAQUE = 0x04,
63	SNMP_COUNTER64 = 0x06,	66	SNMP_COUNTER64 = 0x06,
64	};	67	};
65		68
66	enum {	69	enum {
		70	BER_TYPE_BYTES,
		71	BER_TYPE_UTF8,
		72	BER_TYPE_UCS2,
		73	BER_TYPE_UCS4,
		74	BER_TYPE_INT,
		75	BER_TYPE_OID,
		76	BER_TYPE_RELOID,
		77	BER_TYPE_NULL,
		78	BER_TYPE_BOOL,
		79	BER_TYPE_REAL,
		80	BER_TYPE_IPADDRESS,
		81	BER_TYPE_CROAK,
		82	};
		83
		84	enum {
67	BER_CLASS = 0,	85	BER_CLASS = 0,
68	BER_TAG = 1,	86	BER_TAG = 1,
69	BER_CONSTRUCTED = 2,	87	BER_CONSTRUCTED = 2,
70	BER_DATA = 3,	88	BER_DATA = 3,
71	BER_ARRAYSIZE	89	BER_ARRAYSIZE
72	};	90	};
73		91
74	#define MAX_OID_STRLEN 4096	92	#define MAX_OID_STRLEN 4096
75		93
		94	typedef void profile_type;
		95
		96	static profile_type cur_profile, default_profile;
76	static SV *buf_sv; // encoding buffer	97	static SV *buf_sv; // encoding buffer
77	static U8 buf, cur, *end; // buffer start, current, end	98	static U8 buf, cur, *end; // buffer start, current, end
		99
		100	#if PERL_VERSION < 18
		101	# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
		102	#endif
78		103
79	#if __GNUC__ >= 3	104	#if __GNUC__ >= 3
80	# define expect(expr,value) __builtin_expect ((expr), (value))	105	# define expect(expr,value) __builtin_expect ((expr), (value))
81	# define INLINE static inline	106	# define INLINE static inline
82	#else	107	#else
…		…
85	#endif	110	#endif
86		111
87	#define expect_false(expr) expect ((expr) != 0, 0)	112	#define expect_false(expr) expect ((expr) != 0, 0)
88	#define expect_true(expr) expect ((expr) != 0, 1)	113	#define expect_true(expr) expect ((expr) != 0, 1)
89		114
		115	/////////////////////////////////////////////////////////////////////////////
		116
		117	static SV *sviv_cache[32];
		118
90	// for "small" integers, return a readonly sv, otherwise create a new one	119	// for "small" integers, return a readonly sv, otherwise create a new one
91	static SV *newSVcacheint (int val)	120	static SV *newSVcacheint (int val)
92	{	121	{
93	static SV *cache[32];
94
95	if (expect_false (val < 0 \|\| val >= sizeof (cache)))	122	if (expect_false (val < 0 \|\| val >= sizeof (sviv_cache)))
96	return newSViv (val);	123	return newSViv (val);
97		124
98	if (expect_false (!cache [val]))	125	if (expect_false (!sviv_cache [val]))
99	{	126	{
100	cache [val] = newSVuv (val);	127	sviv_cache [val] = newSVuv (val);
101	SvREADONLY_on (cache [val]);	128	SvREADONLY_on (sviv_cache [val]);
102	}	129	}
103		130
104	return SvREFCNT_inc_NN (cache [val]);	131	return SvREFCNT_inc_NN (sviv_cache [val]);
		132	}
		133
		134	/////////////////////////////////////////////////////////////////////////////
		135
		136	static HV *profile_stash;
		137
		138	static profile_type *
		139	SvPROFILE (SV *profile)
		140	{
		141	if (!SvOK (profile))
		142	return default_profile;
		143
		144	if (!SvROK (profile))
		145	croak ("invalid profile");
		146
		147	profile = SvRV (profile);
		148
		149	if (SvSTASH (profile) != profile_stash)
		150	croak ("invalid profile object");
		151
		152	return (void *)profile;
		153	}
		154
		155	static int
		156	profile_lookup (profile_type *profile, int klass, int tag)
		157	{
		158	SV sv = (SV )profile;
		159	U32 idx = (tag << 2) + klass;
		160
		161	if (expect_false (idx >= SvCUR (sv)))
		162	return BER_TYPE_BYTES;
		163
		164	return SvPVX (sv)[idx];
		165	}
		166
		167	static void
		168	profile_set (profile_type *profile, int klass, int tag, int type)
		169	{
		170	SV sv = (SV )profile;
		171	U32 idx = (tag << 2) + klass;
		172	STRLEN oldlen = SvCUR (sv);
		173	STRLEN newlen = idx + 2;
		174
		175	if (idx >= oldlen)
		176	{
		177	sv_grow (sv, newlen);
		178	memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen);
		179	SvCUR_set (sv, newlen);
		180	}
		181
		182	SvPVX (sv)[idx] = type;
		183	}
		184
		185	static SV *
		186	profile_new ()
		187	{
		188	SV *sv = newSVpvn ("", 0);
		189
		190	static const struct {
		191	int klass;
		192	int tag;
		193	int type;
		194	} *celem, default_map[] = {
		195	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
		196	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },
		197	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
		198	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
		199	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
		200	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		201	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
		202	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
		203	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
		204	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
		205	};
		206
		207	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
		208	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
		209
		210	return sv_bless (newRV_noinc (sv), profile_stash);
105	}	211	}
106		212
107	/////////////////////////////////////////////////////////////////////////////	213	/////////////////////////////////////////////////////////////////////////////
108	// decoder	214	// decoder
109		215
…		…
187	}	293	}
188		294
189	return res;	295	return res;
190	}	296	}
191		297
192	static U32	298	static SV *
193	get_integer32 (void)	299	decode_int ()
194	{	300	{
195	U32 length = get_length ();	301	int len = get_length ();
196		302
197	if (length <= 0)	303	if (len <= 0)
198	{	304	{
199	error ("INTEGER32 length equal to zero");	305	error ("integer length equal to zero");
200	return 0;	306	return 0;
201	}	307	}
202		308
203	U8 *data = get_n (length);	309	U8 *data = get_n (len);
204		310
205	if (length > 5 \|\| (length > 4 && data [0]))	311	int negative = data [0] & 0x80;
206	{
207	error ("INTEGER32 length too long");
208	return 0;
209	}
210		312
211	U32 res = data [0] & 0x80 ? 0xffffffff : 0;	313	UV val = negative ? -1 : 0; // copy signbit to all bits
212		314
213	while (length--)	315	do
214	res = (res << 8) \| *data++;	316	val = (val << 8) \| *data++;
		317	while (--len);
215		318
216	return res;	319	// the cast to IV relies on implementation-defined behaviour (two's complement cast)
		320	// but that's ok, as perl relies on it as well.
		321	return negative ? newSViv ((IV)val) : newSVuv (val);
217	}	322	}
218		323
219	static SV *	324	static SV *
220	decode_integer32 (void)	325	decode_data (void)
221	{	326	{
222	return newSViv ((I32)get_integer32 ());
223	}
224
225	static SV *
226	decode_unsigned32 (void)
227	{
228	return newSVuv ((U32)get_integer32 ());
229	}
230
231	#if IVSIZE >= 8
232
233	static U64TYPE
234	get_integer64 (void)
235	{
236	U32 length = get_length ();	327	U32 len = get_length ();
237
238	if (length <= 0)
239	{
240	error ("INTEGER64 length equal to zero");
241	return 0;
242	}
243
244	U8 *data = get_n (length);	328	U8 *data = get_n (len);
245
246	if (length > 9 \|\| (length > 8 && data [0]))
247	{
248	error ("INTEGER64 length too long");
249	return 0;
250	}
251
252	U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0;
253
254	while (length--)
255	res = (res << 8) \| *data++;
256
257	return res;
258	}
259
260	static SV *
261	decode_integer64 (void)
262	{
263	return newSViv ((I64TYPE)get_integer64 ());
264	}
265
266	static SV *
267	decode_unsigned64 (void)
268	{
269	return newSVuv ((U64TYPE)get_integer64 ());
270	}
271
272	#endif
273
274	static SV *
275	decode_octet_string (void)
276	{
277	U32 length = get_length ();
278	U8 *data = get_n (length);
279	return newSVpvn (data, length);	329	return newSVpvn ((char *)data, len);
280	}	330	}
281		331
282	// gelper for decode_object_identifier	332	// gelper for decode_object_identifier
283	static char *	333	static char *
284	write_uv (char *buf, U32 u)	334	write_uv (char *buf, U32 u)
285	{	335	{
286	// the one-digit case is absolutely predominant, so this pays off (hopefully)	336	// the one-digit case is absolutely predominant, so this pays off (hopefully)
287	if (u < 10)	337	if (expect_true (u < 10))
288	*buf++ = u + '0';	338	*buf++ = u + '0';
289	else	339	else
290	{	340	{
		341	// this could be done much faster using branchless fixed-ppint arithmetics
291	char *beg = buf;	342	char *beg = buf;
292		343
293	do	344	do
294	{	345	{
295	*buf++ = u % 10 + '0';	346	*buf++ = u % 10 + '0';
296	u /= 10;	347	u /= 10;
297	}	348	}
298	while (u);	349	while (u);
299		350
300	// reverse digits	351	// reverse digits
301	for (char *ptr = buf; --ptr != beg; ++beg)	352	char *ptr = buf;
		353	while (--ptr > beg)
302	{	354	{
303	char c = *ptr;	355	char c = *ptr;
304	ptr = beg;	356	ptr = beg;
305	*beg = c;	357	*beg = c;
		358	++beg;
306	}	359	}
307	}	360	}
308		361
309	return buf;	362	return buf;
310	}	363	}
311		364
312	static SV *	365	static SV *
313	decode_object_identifier (void)	366	decode_oid (int relative)
314	{	367	{
315	U32 length = get_length ();	368	U32 len = get_length ();
316		369
317	if (length <= 0)	370	if (len <= 0)
318	{	371	{
319	error ("OBJECT IDENTIFIER length equal to zero");	372	error ("OBJECT IDENTIFIER length equal to zero");
320	return &PL_sv_undef;	373	return &PL_sv_undef;
321	}	374	}
322		375
323	U8 *end = cur + length;	376	U8 *end = cur + len;
324	U32 w = get_w ();	377	U32 w = get_w ();
325		378
326	static char oid[MAX_OID_STRLEN]; // must be static	379	static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack
327	char *app = oid;	380	char *app = oid;
328		381
		382	if (relative)
		383	app = write_uv (app, w);
		384	else
		385	{
329	app = write_uv (app, (U8)w / 40);	386	app = write_uv (app, (U8)w / 40);
330	*app++ = '.';	387	*app++ = '.';
331	app = write_uv (app, (U8)w % 40);	388	app = write_uv (app, (U8)w % 40);
		389	}
332		390
		391	while (cur < end)
		392	{
333	// we assume an oid component is never > 64 bytes	393	// we assume an oid component is never > 64 digits
334	while (cur < end && oid + sizeof (oid) - app > 64)	394	if (oid + sizeof (oid) - app < 64)
335	{	395	croak ("BER_TYPE_OID to long to decode");
		396
336	w = get_w ();	397	w = get_w ();
337	*app++ = '.';	398	*app++ = '.';
338	app = write_uv (app, w);	399	app = write_uv (app, w);
339	}	400	}
340		401
341	return newSVpvn (oid, app - oid);	402	return newSVpvn (oid, app - oid);
342	}	403	}
343		404
		405	// TODO: this is unacceptably slow
		406	static SV *
		407	decode_ucs (int chrsize)
		408	{
		409	SV *res = NEWSV (0, 0);
		410
		411	U32 len = get_length ();
		412
		413	if (len & (chrsize - 1))
		414	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		415
		416	while (len)
		417	{
		418	U8 b1 = get_u8 ();
		419	U8 b2 = get_u8 ();
		420	U32 chr = (b1 << 8) \| b2;
		421
		422	if (chrsize == 4)
		423	{
		424	U8 b3 = get_u8 ();
		425	U8 b4 = get_u8 ();
		426	chr = (chr << 16) \| (b3 << 8) \| b4;
		427	}
		428
		429	U8 uchr [UTF8_MAXBYTES];
		430	int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
		431
		432	sv_catpvn (res, (const char *)uchr, uclen);
		433	len -= chrsize;
		434	}
		435
		436	SvUTF8_on (res);
		437
		438	return res;
		439	}
		440
344	static SV *	441	static SV *
345	decode_ber ()	442	decode_ber ()
346	{	443	{
347	int identifier = get_u8 ();	444	int identifier = get_u8 ();
348		445
349	SV *res;	446	SV *res;
350		447
351	int constructed = identifier & ASN_CONSTRUCTED;	448	int constructed = identifier & ASN_CONSTRUCTED;
352	int klass = identifier & ASN_CLASS_MASK;	449	int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT;
353	int tag = identifier & ASN_TAG_MASK;	450	int tag = identifier & ASN_TAG_MASK;
354		451
355	if (tag == ASN_TAG_BER)	452	if (tag == ASN_TAG_BER)
356	tag = get_w ();	453	tag = get_w ();
357		454
358	if (tag == ASN_TAG_BER)	455	if (tag == ASN_TAG_BER)
…		…
371	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	468	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);
372		469
373	res = newRV_inc ((SV *)av);	470	res = newRV_inc ((SV *)av);
374	}	471	}
375	else	472	else
376	switch (identifier)	473	switch (profile_lookup (cur_profile, klass, tag))
377	{	474	{
378	case ASN_NULL:	475	case BER_TYPE_NULL:
		476	{
		477	U32 len = get_length ();
		478
		479	if (len)
		480	croak ("BER_TYPE_NULL value with non-zero length %d encountered", len);
		481
379	res = &PL_sv_undef;	482	res = &PL_sv_undef;
		483	}
380	break;	484	break;
381		485
382	case ASN_OBJECT_IDENTIFIER:	486	case BER_TYPE_BOOL:
		487	{
		488	U32 len = get_length ();
		489
		490	if (len != 1)
		491	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered", len);
		492
		493	res = newSVcacheint (!!get_u8 ());
		494	}
		495	break;
		496
		497	case BER_TYPE_OID:
383	res = decode_object_identifier ();	498	res = decode_oid (0);
384	break;	499	break;
385		500
386	case ASN_INTEGER32:	501	case BER_TYPE_RELOID:
		502	res = decode_oid (1);
		503	break;
		504
		505	case BER_TYPE_INT:
387	res = decode_integer32 ();	506	res = decode_int ();
388	break;	507	break;
389		508
390	case ASN_APPLICATION \| SNMP_UNSIGNED32:	509	case BER_TYPE_UTF8:
391	case ASN_APPLICATION \| SNMP_COUNTER32:	510	res = decode_data ();
392	case ASN_APPLICATION \| SNMP_TIMETICKS:	511	SvUTF8_on (res);
		512	break;
		513
		514	case BER_TYPE_BYTES:
		515	res = decode_data ();
		516	break;
		517
		518	case BER_TYPE_IPADDRESS:
		519	{
		520	U32 len = get_length ();
		521
		522	if (len != 4)
		523	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);
		524
		525	U8 c1 = get_u8 ();
		526	U8 c2 = get_u8 ();
		527	U8 c3 = get_u8 ();
		528	U8 c4 = get_u8 ();
		529
		530	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
		531	}
		532	break;
		533
		534	case BER_TYPE_UCS2:
		535	res = decode_ucs (2);
		536	break;
		537
		538	case BER_TYPE_UCS4:
393	res = decode_unsigned32 ();	539	res = decode_ucs (4);
394	break;	540	break;
395		541
396	#if 0 // handled by default case	542	case BER_TYPE_REAL:
397	case ASN_OCTET_STRING:	543	case BER_TYPE_CROAK:
398	case ASN_APPLICATION \| ASN_IPADDRESS:
399	case ASN_APPLICATION \| ASN_OPAQUE:
400	res = decode_octet_string ();
401	break;
402	#endif
403
404	case ASN_APPLICATION \| SNMP_COUNTER64:
405	res = decode_integer64 ();
406	break;
407
408	default:	544	default:
409	res = decode_octet_string ();	545	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
410	break;
411	}	546	}
412		547
413	AV *av = newAV ();	548	AV *av = newAV ();
414	av_fill (av, BER_ARRAYSIZE - 1);	549	av_fill (av, BER_ARRAYSIZE - 1);
415	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT);	550	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);
416	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	551	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	552	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);
418	AvARRAY (av)[BER_DATA ] = res;	553	AvARRAY (av)[BER_DATA ] = res;
419		554
420	return newRV_noinc ((SV *)av);	555	return newRV_noinc ((SV *)av);
…		…
438	static void	573	static void
439	set_buf (SV *sv)	574	set_buf (SV *sv)
440	{	575	{
441	STRLEN len;	576	STRLEN len;
442	buf_sv = sv;	577	buf_sv = sv;
443	buf = SvPVbyte (buf_sv, len);	578	buf = (U8 *)SvPVbyte (buf_sv, len);
444	cur = buf;	579	cur = buf;
445	end = buf + len;	580	end = buf + len;
446	}	581	}
447		582
448	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	583	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
462	need (STRLEN len)	597	need (STRLEN len)
463	{	598	{
464	if (expect_false ((uintptr_t)(end - cur) < len))	599	if (expect_false ((uintptr_t)(end - cur) < len))
465	{	600	{
466	STRLEN pos = cur - buf;	601	STRLEN pos = cur - buf;
467	buf = my_sv_grow (buf_sv, pos, len);	602	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
468	cur = buf + pos;	603	cur = buf + pos;
469	end = buf + SvLEN (buf_sv) - 1;	604	end = buf + SvLEN (buf_sv) - 1;
470	}	605	}
471	}	606	}
472		607
…		…
516	}	651	}
517		652
518	static void	653	static void
519	put_length (U32 val)	654	put_length (U32 val)
520	{	655	{
521	need (5);	656	need (5 + val);
522	cur = put_length_at (val, cur);	657	cur = put_length_at (val, cur);
523	}	658	}
524		659
525	// return how many bytes the encoded length requires	660	// return how many bytes the encoded length requires
526	static int length_length (U32 val)	661	static int length_length (U32 val)
…		…
529	? 1	664	? 1
530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	665	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);
531	}	666	}
532		667
533	static void	668	static void
534	encode_octet_string (SV *sv)	669	encode_data (const char *ptr, STRLEN len)
535	{	670	{
536	STRLEN len;
537	char *ptr = SvPVbyte (sv, len);
538
539	put_length (len);	671	put_length (len);
540	need (len);
541	memcpy (cur, ptr, len);	672	memcpy (cur, ptr, len);
542	cur += len;	673	cur += len;
543	}	674	}
544		675
545	static void	676	static void
546	encode_integer32 (IV iv)	677	encode_uv (UV uv)
547	{	678	{
548	need (5);	679	}
		680
		681	static void
		682	encode_int (SV *sv)
		683	{
		684	need (8 + 1 + 1); // 64 bit + length + extra 0
		685
		686	if (expect_false (!SvIOK (sv)))
		687	sv_2iv_flags (sv, 0);
549		688
550	U8 *lenb = cur++;	689	U8 *lenb = cur++;
551		690
552	if (iv < 0)	691	if (SvIOK_notUV (sv))
553	{	692	{
		693	IV iv = SvIVX (sv);
		694
		695	if (expect_false (iv < 0))
		696	{
554	// get two's complement bit pattern - works even on hypthetical non-2c machines	697	// get two's complement bit pattern - works even on hypothetical non-2c machines
555	U32 uv = iv;	698	UV uv = iv;
556		699
		700	#if UVSIZE > 4
		701	*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U);
		702	*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U);
		703	*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U);
		704	*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U);
		705	#endif
557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);	706	*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U);
558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);	707	*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U);
559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);	708	*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U);
560	*cur = uv ; cur += 1;	709	*cur = uv ; cur += 1;
561	}
562	else
563	{
564	cur = iv >> 24; cur += cur > 0;
565	cur = iv >> 16; cur += cur > 0;
566	cur = iv >> 8; cur += cur > 0;
567	*cur = iv ; cur += 1;
568	}
569		710
570	*lenb = cur - lenb - 1;	711	*lenb = cur - lenb - 1;
571	}
572		712
573	static void	713	return;
574	encode_unsigned64 (U64TYPE uv)	714	}
575	{	715	}
576	need (9);
577		716
578	U8 *lenb = cur++;	717	UV uv = SvUV (sv);
579		718
580	cur = uv >> 56; cur += cur > 0;	719	// prepend an extra 0 if the high bit is 1
581	cur = uv >> 48; cur += cur > 0;	720	cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE 8 - 1)));
582	cur = uv >> 40; cur += cur > 0;	721
583	cur = uv >> 32; cur += cur > 0;	722	#if UVSIZE > 4
584	cur = uv >> 24; cur += cur > 0;	723	*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U);
585	cur = uv >> 16; cur += cur > 0;	724	*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U);
586	cur = uv >> 8; cur += cur > 0;	725	*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U);
		726	*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U);
		727	#endif
		728	*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U);
		729	*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U);
		730	*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U);
587	*cur = uv ; cur += 1;	731	*cur = uv ; cur += 1;
588		732
589	*lenb = cur - lenb - 1;	733	*lenb = cur - lenb - 1;
590	}	734	}
591		735
…		…
631		775
632	return str;	776	return str;
633	}	777	}
634		778
635	static void	779	static void
636	encode_object_identifier (SV *oid)	780	encode_oid (SV *oid, int relative)
637	{	781	{
638	STRLEN slen;	782	STRLEN len;
639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter	783	char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter
640		784
641	// we need at most as many octets as the string form	785	// we need at most as many octets as the string form
642	need (slen + 1);	786	need (len + 1);
643	STRLEN mark = len_fixup_mark ();	787	STRLEN mark = len_fixup_mark ();
644		788
645	UV w1, w2;	789	UV w1, w2;
646		790
		791	if (!relative)
		792	{
647	ptr = read_uv (ptr, &w1);	793	ptr = read_uv (ptr, &w1);
648	ptr = read_uv (ptr, &w2);	794	ptr = read_uv (ptr, &w2);
649		795
650	put_w_nocheck (w1 * 40 + w2);	796	put_w_nocheck (w1 * 40 + w2);
		797	}
651		798
652	while (*ptr)	799	while (*ptr)
653	{	800	{
654	ptr = read_uv (ptr, &w1);	801	ptr = read_uv (ptr, &w1);
655	put_w_nocheck (w1);	802	put_w_nocheck (w1);
656	}	803	}
657		804
658	len_fixup (mark);	805	len_fixup (mark);
659	}	806	}
660		807
		808	// check whether an SV is a BER tuple and returns its AV *
		809	static AV *
		810	ber_tuple (SV *tuple)
		811	{
		812	SV *rv;
		813
		814	if (expect_false (!SvROK (tuple) \|\| SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV))
		815	croak ("BER tuple must be array-reference");
		816
		817	if (expect_false (SvRMAGICAL (rv)))
		818	croak ("BER tuple must not be tied");
		819
		820	if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1))
		821	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1);
		822
		823	return (AV *)rv;
		824	}
		825
		826	static void
		827	encode_ucs (SV *data, int chrsize)
		828	{
		829	STRLEN uchars = sv_len_utf8 (data);
		830	STRLEN len;;
		831	char *ptr = SvPVutf8 (data, len);
		832
		833	put_length (uchars * chrsize);
		834
		835	while (uchars--)
		836	{
		837	STRLEN uclen;
		838	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
		839
		840	ptr += uclen;
		841	len -= uclen;
		842
		843	if (chrsize == 4)
		844	{
		845	*cur++ = uchr >> 24;
		846	*cur++ = uchr >> 16;
		847	}
		848
		849	*cur++ = uchr >> 8;
		850	*cur++ = uchr;
		851	}
		852	}
661	static void	853	static void
662	encode_ber (SV *tuple)	854	encode_ber (SV *tuple)
663	{	855	{
664	if (expect_false (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV))	856	AV *av = ber_tuple (tuple);
665	croak ("BER tuple must be array-reference");
666
667	AV av = (AV )SvRV (tuple);
668
669	if (expect_false (SvRMAGICAL (av)))
670	croak ("BER tuple must not be tied");
671
672	if (expect_false (AvFILL (av) != BER_ARRAYSIZE - 1))
673	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL (av) + 1);
674		857
675	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	858	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
676	int tag = SvIV (AvARRAY (av)[BER_TAG]);	859	int tag = SvIV (AvARRAY (av)[BER_TAG]);
677	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	860	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;
678	SV *data = AvARRAY (av)[BER_DATA];	861	SV *data = AvARRAY (av)[BER_DATA];
…		…
701	int fill = AvFILL (av);	884	int fill = AvFILL (av);
702		885
703	if (expect_false (SvRMAGICAL (av)))	886	if (expect_false (SvRMAGICAL (av)))
704	croak ("BER constructed data must not be tied");	887	croak ("BER constructed data must not be tied");
705		888
		889	int i;
706	for (int i = 0; i <= fill; ++i)	890	for (i = 0; i <= fill; ++i)
707	encode_ber (AvARRAY (av)[i]);	891	encode_ber (AvARRAY (av)[i]);
708		892
709	len_fixup (mark);	893	len_fixup (mark);
710	}	894	}
711	else	895	else
712	switch (identifier \| tag)	896	switch (profile_lookup (cur_profile, klass, tag))
713	{	897	{
714	case ASN_NULL:	898	case BER_TYPE_NULL:
715	put_length (0);	899	put_length (0);
716	break;	900	break;
717		901
718	case ASN_OBJECT_IDENTIFIER:	902	case BER_TYPE_BOOL:
		903	put_length (1);
		904	*cur++ = SvTRUE (data) ? 0xff : 0x00;
		905	break;
		906
		907	case BER_TYPE_OID:
719	encode_object_identifier (data);	908	encode_oid (data, 0);
720	break;	909	break;
721		910
722	case ASN_INTEGER32:	911	case BER_TYPE_RELOID:
		912	encode_oid (data, 1);
		913	break;
		914
		915	case BER_TYPE_INT:
723	encode_integer32 (SvIV (data));	916	encode_int (data);
724	break;	917	break;
725		918
726	case ASN_APPLICATION \| SNMP_UNSIGNED32:	919	case BER_TYPE_BYTES:
727	case ASN_APPLICATION \| SNMP_COUNTER32:	920	{
728	case ASN_APPLICATION \| SNMP_TIMETICKS:	921	STRLEN len;
729	case ASN_APPLICATION \| SNMP_COUNTER64:	922	const char *ptr = SvPVbyte (data, len);
730	encode_unsigned64 (SvUV (data));	923	encode_data (ptr, len);
		924	}
731	break;	925	break;
732		926
		927	case BER_TYPE_UTF8:
		928	{
		929	STRLEN len;
		930	const char *ptr = SvPVutf8 (data, len);
		931	encode_data (ptr, len);
		932	}
		933	break;
		934
		935	case BER_TYPE_IPADDRESS:
		936	{
		937	U8 ip[4];
		938	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
		939	encode_data ((const char *)ip, sizeof (ip));
		940	}
		941	break;
		942
		943	case BER_TYPE_UCS2:
		944	encode_ucs (data, 2);
		945	break;
		946
		947	case BER_TYPE_UCS4:
		948	encode_ucs (data, 4);
		949	break;
		950
		951	case BER_TYPE_REAL:
		952	case BER_TYPE_CROAK:
733	default:	953	default:
734	encode_octet_string (data);	954	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
735	break;
736	}	955	}
737		956
738	}	957	}
739		958
740	/////////////////////////////////////////////////////////////////////////////	959	/////////////////////////////////////////////////////////////////////////////
…		…
744	PROTOTYPES: ENABLE	963	PROTOTYPES: ENABLE
745		964
746	BOOT:	965	BOOT:
747	{	966	{
748	HV *stash = gv_stashpv ("Convert::BER::XS", 1);	967	HV *stash = gv_stashpv ("Convert::BER::XS", 1);
		968
		969	profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1);
749		970
750	static const struct {	971	static const struct {
751	const char *name;	972	const char *name;
752	IV iv;	973	IV iv;
753	} *civ, const_iv[] = {	974	} *civ, const_iv[] = {
754	{ "ASN_BOOLEAN", ASN_BOOLEAN },	975	#define const_iv(name) { # name, name },
755	{ "ASN_INTEGER32", ASN_INTEGER32 },	976	const_iv (ASN_BOOLEAN)
756	{ "ASN_BIT_STRING", ASN_BIT_STRING },	977	const_iv (ASN_INTEGER32)
757	{ "ASN_OCTET_STRING", ASN_OCTET_STRING },	978	const_iv (ASN_BIT_STRING)
758	{ "ASN_NULL", ASN_NULL },	979	const_iv (ASN_OCTET_STRING)
759	{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER },	980	const_iv (ASN_NULL)
760	{ "ASN_TAG_BER", ASN_TAG_BER },	981	const_iv (ASN_OBJECT_IDENTIFIER)
761	{ "ASN_TAG_MASK", ASN_TAG_MASK },	982	const_iv (ASN_OBJECT_DESCRIPTOR)
762	{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED },	983	const_iv (ASN_OID)
763	{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT },	984	const_iv (ASN_EXTERNAL)
764	{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT },	985	const_iv (ASN_REAL)
765	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	986	const_iv (ASN_SEQUENCE)
766	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	987	const_iv (ASN_ENUMERATED)
767	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	988	const_iv (ASN_EMBEDDED_PDV)
768	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	989	const_iv (ASN_UTF8_STRING)
769	{ "ASN_SEQUENCE", ASN_SEQUENCE },	990	const_iv (ASN_RELATIVE_OID)
770	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },	991	const_iv (ASN_SET)
771	{ "SNMP_COUNTER32", SNMP_COUNTER32 },	992	const_iv (ASN_NUMERIC_STRING)
772	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },	993	const_iv (ASN_PRINTABLE_STRING)
773	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },	994	const_iv (ASN_TELETEX_STRING)
774	{ "SNMP_OPAQUE", SNMP_OPAQUE },	995	const_iv (ASN_T61_STRING)
775	{ "SNMP_COUNTER64", SNMP_COUNTER64 },	996	const_iv (ASN_VIDEOTEX_STRING)
		997	const_iv (ASN_IA5_STRING)
		998	const_iv (ASN_ASCII_STRING)
		999	const_iv (ASN_UTC_TIME)
		1000	const_iv (ASN_GENERALIZED_TIME)
		1001	const_iv (ASN_GRAPHIC_STRING)
		1002	const_iv (ASN_VISIBLE_STRING)
		1003	const_iv (ASN_ISO646_STRING)
		1004	const_iv (ASN_GENERAL_STRING)
		1005	const_iv (ASN_UNIVERSAL_STRING)
		1006	const_iv (ASN_CHARACTER_STRING)
		1007	const_iv (ASN_BMP_STRING)
776		1008
777	{ "BER_CLASS" , BER_CLASS },	1009	const_iv (ASN_UNIVERSAL)
778	{ "BER_TAG" , BER_TAG },	1010	const_iv (ASN_APPLICATION)
779	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	1011	const_iv (ASN_CONTEXT)
780	{ "BER_DATA" , BER_DATA },	1012	const_iv (ASN_PRIVATE)
		1013
		1014	const_iv (BER_CLASS)
		1015	const_iv (BER_TAG)
		1016	const_iv (BER_CONSTRUCTED)
		1017	const_iv (BER_DATA)
		1018
		1019	const_iv (BER_TYPE_BYTES)
		1020	const_iv (BER_TYPE_UTF8)
		1021	const_iv (BER_TYPE_UCS2)
		1022	const_iv (BER_TYPE_UCS4)
		1023	const_iv (BER_TYPE_INT)
		1024	const_iv (BER_TYPE_OID)
		1025	const_iv (BER_TYPE_RELOID)
		1026	const_iv (BER_TYPE_NULL)
		1027	const_iv (BER_TYPE_BOOL)
		1028	const_iv (BER_TYPE_REAL)
		1029	const_iv (BER_TYPE_IPADDRESS)
		1030	const_iv (BER_TYPE_CROAK)
		1031
		1032	const_iv (SNMP_IPADDRESS)
		1033	const_iv (SNMP_COUNTER32)
		1034	const_iv (SNMP_UNSIGNED32)
		1035	const_iv (SNMP_TIMETICKS)
		1036	const_iv (SNMP_OPAQUE)
		1037	const_iv (SNMP_COUNTER64)
781	};	1038	};
782		1039
783	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1040	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
784	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1041	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
785	}	1042	}
786		1043
787	SV *	1044	SV *
788	ber_decode (SV *ber)	1045	ber_decode (SV ber, SV profile = &PL_sv_undef)
789	CODE:	1046	CODE:
790	{	1047	{
		1048	cur_profile = SvPROFILE (profile);
791	STRLEN len;	1049	STRLEN len;
792
793	buf = SvPVbyte (ber, len);	1050	buf = (U8 *)SvPVbyte (ber, len);
794	cur = buf;	1051	cur = buf;
795	end = buf + len;	1052	end = buf + len;
796		1053
797	RETVAL = decode_ber ();	1054	RETVAL = decode_ber ();
798	}	1055	}
799	OUTPUT: RETVAL	1056	OUTPUT: RETVAL
800		1057
801	void	1058	void
802	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1059	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)
803	PROTOTYPE: $;$$$
804	PPCODE:	1060	PPCODE:
805	{	1061	{
806	if (!SvOK (tuple))	1062	if (!SvOK (tuple))
807	XSRETURN_NO;	1063	XSRETURN_NO;
808		1064
809	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1065	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)
810	croak ("ber_seq: tuple must be ber tuple (array-ref)");	1066	croak ("ber_is: tuple must be BER tuple (array-ref)");
811		1067
812	AV av = (AV )SvRV (tuple);	1068	AV av = (AV )SvRV (tuple);
813		1069
814	XPUSHs (	1070	XPUSHs (
815	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1071	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))
816	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1072	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
817	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1073	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))
818	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1074	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
819	? &PL_sv_yes : &PL_sv_no);	1075	? &PL_sv_yes : &PL_sv_undef);
820	}	1076	}
821		1077
822	void	1078	void
823	ber_is_seq (SV *tuple)	1079	ber_is_seq (SV *tuple)
824	PPCODE:	1080	PPCODE:
825	{	1081	{
826	if (!SvOK (tuple))	1082	if (!SvOK (tuple))
827	XSRETURN_UNDEF;	1083	XSRETURN_UNDEF;
828		1084
829	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1085	AV *av = ber_tuple (tuple);
830	croak ("ber_seq: tuple must be ber tuple (array-ref)");
831
832	AV av = (AV )SvRV (tuple);
833		1086
834	XPUSHs (	1087	XPUSHs (
835	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1088	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
836	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1089	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
837	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1090	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])
838	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1091	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
839	}	1092	}
840		1093
841	void	1094	void
842	ber_is_i32 (SV *tuple, IV value)	1095	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)
843	PPCODE:	1096	PPCODE:
844	{	1097	{
845	if (!SvOK (tuple))	1098	if (!SvOK (tuple))
846	XSRETURN_NO;	1099	XSRETURN_NO;
847		1100
848	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1101	AV *av = ber_tuple (tuple);
849	croak ("ber_seq: tuple must be ber tuple (array-ref)");
850		1102
851	AV av = (AV )SvRV (tuple);	1103	IV data = SvIV (AvARRAY (av)[BER_DATA]);
852		1104
853	XPUSHs (	1105	XPUSHs (
854	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1106	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
855	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1107	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32
856	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1108	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])
857	&& SvIV (AvARRAY (av)[BER_DATA ]) == value	1109	&& (!SvOK (value) \|\| data == SvIV (value))
858	? &PL_sv_yes : &PL_sv_no);	1110	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))
		1111	: &PL_sv_undef);
859	}	1112	}
860		1113
861	void	1114	void
862	ber_is_oid (SV tuple, SV oid)	1115	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
863	PPCODE:	1116	PPCODE:
864	{	1117	{
865	if (!SvOK (tuple))	1118	if (!SvOK (tuple))
866	XSRETURN_NO;	1119	XSRETURN_NO;
867		1120
868	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1121	AV *av = ber_tuple (tuple);
869	croak ("ber_seq: tuple must be ber tuple (array-ref)");
870
871	AV av = (AV )SvRV (tuple);
872		1122
873	XPUSHs (	1123	XPUSHs (
874	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1124	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
875	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1125	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
876	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1126	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])
877	&& sv_eq (AvARRAY (av)[BER_DATA], oid)	1127	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
878	? &PL_sv_yes : &PL_sv_no);	1128	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
879	}	1129	}
880		1130
881	#############################################################################	1131	#############################################################################
882		1132
883	void	1133	void
884	ber_encode (SV *tuple)	1134	ber_encode (SV tuple, SV profile = &PL_sv_undef)
885	PPCODE:	1135	PPCODE:
886	{	1136	{
		1137	cur_profile = SvPROFILE (profile);
887	buf_sv = sv_2mortal (NEWSV (0, 256));	1138	buf_sv = sv_2mortal (NEWSV (0, 256));
888	SvPOK_only (buf_sv);	1139	SvPOK_only (buf_sv);
889	set_buf (buf_sv);	1140	set_buf (buf_sv);
890		1141
891	encode_ber (tuple);	1142	encode_ber (tuple);
892		1143
893	SvCUR_set (buf_sv, cur - buf);	1144	SvCUR_set (buf_sv, cur - buf);
894	XPUSHs (buf_sv);	1145	XPUSHs (buf_sv);
895	}	1146	}
896		1147
		1148	SV *
		1149	ber_i32 (IV iv)
		1150	CODE:
		1151	{
		1152	AV *av = newAV ();
		1153	av_fill (av, BER_ARRAYSIZE - 1);
		1154	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);
		1155	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);
		1156	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);
		1157	AvARRAY (av)[BER_DATA ] = newSViv (iv);
		1158	RETVAL = newRV_noinc ((SV *)av);
		1159	}
		1160	OUTPUT: RETVAL
		1161
		1162	# TODO: not arrayref, but elements?
		1163	SV *
		1164	ber_seq (SV *arrayref)
		1165	CODE:
		1166	{
		1167	AV *av = newAV ();
		1168	av_fill (av, BER_ARRAYSIZE - 1);
		1169	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);
		1170	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
		1171	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);
		1172	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
		1173	RETVAL = newRV_noinc ((SV *)av);
		1174	}
		1175	OUTPUT: RETVAL
		1176
		1177	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
		1178
		1179	SV *
		1180	new (SV *klass)
		1181	CODE:
		1182	RETVAL = profile_new ();
		1183	OUTPUT: RETVAL
		1184
		1185	void
		1186	set (SV *profile, int klass, int tag, int type)
		1187	CODE:
		1188	profile_set (SvPROFILE (profile), klass, tag, type);
		1189
		1190	IV
		1191	get (SV *profile, int klass, int tag)
		1192	CODE:
		1193	RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
		1194	OUTPUT: RETVAL
		1195
		1196	void
		1197	_set_default (SV *profile)
		1198	CODE:
		1199	default_profile = SvPROFILE (profile);
		1200
		1201

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC vs. Revision 1.13 by root, Sat Apr 20 13:46:14 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC vs.
Revision 1.13 by root, Sat Apr 20 13:46:14 2019 UTC