[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 1.6 by root, Sat Apr 20 01:03:59 2019 UTC

…		…
35	ASN_VISIBLE_STRING = 0x1a, //X	35	ASN_VISIBLE_STRING = 0x1a, //X
36	ASN_ISO646_STRING = 0x1a, //X	36	ASN_ISO646_STRING = 0x1a, //X
37	ASN_GENERAL_STRING = 0x1b, //X	37	ASN_GENERAL_STRING = 0x1b, //X
38	ASN_UNIVERSAL_STRING = 0x1c, //X	38	ASN_UNIVERSAL_STRING = 0x1c, //X
39	ASN_CHARACTER_STRING = 0x1d, //X	39	ASN_CHARACTER_STRING = 0x1d, //X
40	ASN_BMPSTRING = 0x1e, //X	40	ASN_BMP_STRING = 0x1e, //X
41		41
42	ASN_TAG_BER = 0x1f,	42	ASN_TAG_BER = 0x1f,
43	ASN_TAG_MASK = 0x1f,	43	ASN_TAG_MASK = 0x1f,
44		44
45	// primitive/constructed	45	// primitive/constructed
46	ASN_CONSTRUCTED = 0x20,	46	ASN_CONSTRUCTED = 0x20,
47		47
48	// ASN_CLASS	48	// ASN_CLASS
49	ASN_UNIVERSAL = 0x00,	49	ASN_UNIVERSAL = 0x00,
50	ASN_APPLICATION = 0x40,	50	ASN_APPLICATION = 0x01,
51	ASN_CONTEXT = 0x80,	51	ASN_CONTEXT = 0x02,
52	ASN_PRIVATE = 0xc0,	52	ASN_PRIVATE = 0x03,
53		53
54	ASN_CLASS_MASK = 0xc0,	54	ASN_CLASS_MASK = 0xc0,
55	ASN_CLASS_SHIFT = 6,	55	ASN_CLASS_SHIFT = 6,
56		56
57	// ASN_APPLICATION SNMP	57	// ASN_APPLICATION SNMP
…		…
62	SNMP_OPAQUE = 0x04,	62	SNMP_OPAQUE = 0x04,
63	SNMP_COUNTER64 = 0x06,	63	SNMP_COUNTER64 = 0x06,
64	};	64	};
65		65
66	enum {	66	enum {
		67	BER_TYPE_BYTES,
		68	BER_TYPE_UTF8,
		69	BER_TYPE_UCS2,
		70	BER_TYPE_UCS4,
		71	BER_TYPE_INT,
		72	BER_TYPE_OID,
		73	BER_TYPE_RELOID,
		74	BER_TYPE_NULL,
		75	BER_TYPE_BOOL,
		76	BER_TYPE_REAL,
		77	BER_TYPE_IPADDRESS,
		78	BER_TYPE_CROAK,
		79	};
		80
		81	enum {
67	BER_CLASS = 0,	82	BER_CLASS = 0,
68	BER_TAG = 1,	83	BER_TAG = 1,
69	BER_CONSTRUCTED = 2,	84	BER_CONSTRUCTED = 2,
70	BER_DATA = 3,	85	BER_DATA = 3,
71	BER_ARRAYSIZE	86	BER_ARRAYSIZE
72	};	87	};
73		88
74	#define MAX_OID_STRLEN 4096	89	#define MAX_OID_STRLEN 4096
75		90
		91	typedef void profile_type;
		92
		93	static profile_type cur_profile, default_profile;
76	static SV *buf_sv; // encoding buffer	94	static SV *buf_sv; // encoding buffer
77	static U8 buf, cur, *end; // buffer start, current, end	95	static U8 buf, cur, *end; // buffer start, current, end
78		96
79	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
80	# define expect(expr,value) __builtin_expect ((expr), (value))	98	# define expect(expr,value) __builtin_expect ((expr), (value))
…		…
85	#endif	103	#endif
86		104
87	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
88	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
89		107
		108	/////////////////////////////////////////////////////////////////////////////
		109
		110	static SV *sviv_cache[32];
		111
90	// for "small" integers, return a readonly sv, otherwise create a new one	112	// for "small" integers, return a readonly sv, otherwise create a new one
91	static SV *newSVcacheint (int val)	113	static SV *newSVcacheint (int val)
92	{	114	{
93	static SV *cache[32];
94
95	if (expect_false (val < 0 \|\| val >= sizeof (cache)))	115	if (expect_false (val < 0 \|\| val >= sizeof (sviv_cache)))
96	return newSViv (val);	116	return newSViv (val);
97		117
98	if (expect_false (!cache [val]))	118	if (expect_false (!sviv_cache [val]))
99	{	119	{
100	cache [val] = newSVuv (val);	120	sviv_cache [val] = newSVuv (val);
101	SvREADONLY_on (cache [val]);	121	SvREADONLY_on (sviv_cache [val]);
102	}	122	}
103		123
104	return SvREFCNT_inc_NN (cache [val]);	124	return SvREFCNT_inc_NN (sviv_cache [val]);
		125	}
		126
		127	/////////////////////////////////////////////////////////////////////////////
		128
		129	static HV *profile_stash;
		130
		131	static profile_type *
		132	SvPROFILE (SV *profile)
		133	{
		134	if (!SvOK (profile))
		135	return default_profile;
		136
		137	if (!SvROK (profile))
		138	croak ("invalid profile");
		139
		140	profile = SvRV (profile);
		141
		142	if (SvSTASH (profile) != profile_stash)
		143	croak ("invalid profile object");
		144
		145	return (void *)profile;
		146	}
		147
		148	static int
		149	profile_lookup (profile_type *profile, int klass, int tag)
		150	{
		151	SV sv = (SV )profile;
		152	U32 idx = (tag << 2) + klass;
		153
		154	if (expect_false (idx >= SvCUR (sv)))
		155	return BER_TYPE_BYTES;
		156
		157	return SvPVX (sv)[idx];
		158	}
		159
		160	static int
		161	profile_set (profile_type *profile, int klass, int tag, int type)
		162	{
		163	SV sv = (SV )profile;
		164	U32 idx = (tag << 2) + klass;
		165	STRLEN oldlen = SvCUR (sv);
		166	STRLEN newlen = idx + 2;
		167
		168	if (idx >= oldlen)
		169	{
		170	sv_grow (sv, newlen);
		171	memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen);
		172	SvCUR_set (sv, newlen);
		173	}
		174
		175	SvPVX (sv)[idx] = type;
		176	}
		177
		178	static SV *
		179	profile_new ()
		180	{
		181	SV *sv = newSVpvn ("", 0);
		182
		183	static const struct {
		184	int klass;
		185	int tag;
		186	int type;
		187	} *celem, default_map[] = {
		188	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
		189	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },
		190	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
		191	{ 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 },
		194	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		195	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
		196	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
		197	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
		198	};
		199
		200	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--)
		201	profile_set ((void *)sv, celem->klass, celem->tag, celem->type);
		202
		203	return sv_bless (newRV_noinc (sv), profile_stash);
105	}	204	}
106		205
107	/////////////////////////////////////////////////////////////////////////////	206	/////////////////////////////////////////////////////////////////////////////
108	// decoder	207	// decoder
109		208
…		…
187	}	286	}
188		287
189	return res;	288	return res;
190	}	289	}
191		290
192	static U32	291	static SV *
193	get_integer32 (void)	292	decode_int ()
194	{	293	{
195	U32 length = get_length ();	294	int len = get_length ();
196		295
197	if (length <= 0)	296	if (len <= 0)
198	{	297	{
199	error ("INTEGER32 length equal to zero");	298	error ("integer length equal to zero");
200	return 0;	299	return 0;
201	}	300	}
202		301
203	U8 *data = get_n (length);	302	U8 *data = get_n (len);
204		303
205	if (length > 5 \|\| (length > 4 && data [0]))	304	int negative = data [0] & 0x80;
206	{
207	error ("INTEGER32 length too long");
208	return 0;
209	}
210		305
211	U32 res = data [0] & 0x80 ? 0xffffffff : 0;	306	UV val = negative ? -1 : 0; // copy signbit to all bits
212		307
213	while (length--)	308	do
214	res = (res << 8) \| *data++;	309	val = (val << 8) \| *data++;
		310	while (--len);
215		311
216	return res;	312	// the cast to IV relies on implementation-defined behaviour (two's complement cast)
		313	// but that's ok, as perl relies on it as well.
		314	return negative ? newSViv ((IV)val) : newSVuv (val);
217	}	315	}
218		316
219	static SV *	317	static SV *
220	decode_integer32 (void)	318	decode_data (void)
221	{	319	{
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 ();	320	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);	321	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);	322	return newSVpvn ((char *)data, len);
280	}	323	}
281		324
282	// gelper for decode_object_identifier	325	// gelper for decode_object_identifier
283	static char *	326	static char *
284	write_uv (char *buf, U32 u)	327	write_uv (char *buf, U32 u)
285	{	328	{
286	// the one-digit case is absolutely predominant, so this pays off (hopefully)	329	// the one-digit case is absolutely predominant, so this pays off (hopefully)
287	if (u < 10)	330	if (expect_true (u < 10))
288	*buf++ = u + '0';	331	*buf++ = u + '0';
289	else	332	else
290	{	333	{
291	char *beg = buf;	334	char *beg = buf;
292		335
…		…
308		351
309	return buf;	352	return buf;
310	}	353	}
311		354
312	static SV *	355	static SV *
313	decode_object_identifier (void)	356	decode_oid (int relative)
314	{	357	{
315	U32 length = get_length ();	358	U32 len = get_length ();
316		359
317	if (length <= 0)	360	if (len <= 0)
318	{	361	{
319	error ("OBJECT IDENTIFIER length equal to zero");	362	error ("OBJECT IDENTIFIER length equal to zero");
320	return &PL_sv_undef;	363	return &PL_sv_undef;
321	}	364	}
322		365
323	U8 *end = cur + length;	366	U8 *end = cur + len;
324	U32 w = get_w ();	367	U32 w = get_w ();
325		368
326	static char oid[MAX_OID_STRLEN]; // must be static	369	static char oid[MAX_OID_STRLEN]; // must be static
327	char *app = oid;	370	char *app = oid;
328		371
		372	if (relative)
		373	app = write_uv (app, w);
		374	else
		375	{
329	app = write_uv (app, (U8)w / 40);	376	app = write_uv (app, (U8)w / 40);
330	*app++ = '.';	377	*app++ = '.';
331	app = write_uv (app, (U8)w % 40);	378	app = write_uv (app, (U8)w % 40);
		379	}
332		380
333	// we assume an oid component is never > 64 bytes	381	// we assume an oid component is never > 64 bytes
334	while (cur < end && oid + sizeof (oid) - app > 64)	382	while (cur < end && oid + sizeof (oid) - app > 64)
335	{	383	{
336	w = get_w ();	384	w = get_w ();
…		…
346	{	394	{
347	int identifier = get_u8 ();	395	int identifier = get_u8 ();
348		396
349	SV *res;	397	SV *res;
350		398
351	int constructed = identifier & ASN_CONSTRUCTED;	399	int constructed = identifier & ASN_CONSTRUCTED;
352	int klass = identifier & ASN_CLASS_MASK;	400	int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT;
353	int tag = identifier & ASN_TAG_MASK;	401	int tag = identifier & ASN_TAG_MASK;
354		402
355	if (tag == ASN_TAG_BER)	403	if (tag == ASN_TAG_BER)
356	tag = get_w ();	404	tag = get_w ();
357		405
358	if (tag == ASN_TAG_BER)	406	if (tag == ASN_TAG_BER)
…		…
371	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	419	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);
372		420
373	res = newRV_inc ((SV *)av);	421	res = newRV_inc ((SV *)av);
374	}	422	}
375	else	423	else
376	switch (identifier)	424	switch (profile_lookup (cur_profile, klass, tag))
377	{	425	{
378	case ASN_NULL:	426	case BER_TYPE_NULL:
379	res = &PL_sv_undef;	427	res = &PL_sv_undef;
380	break;	428	break;
381		429
382	case ASN_OBJECT_IDENTIFIER:	430	case BER_TYPE_BOOL:
		431	{
		432	U32 len = get_length ();
		433
		434	if (len != 1)
		435	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);
		436
		437	res = newSVcacheint (get_u8 () ? 0 : 1);
		438	}
		439	break;
		440
		441	case BER_TYPE_OID:
383	res = decode_object_identifier ();	442	res = decode_oid (0);
384	break;	443	break;
385		444
386	case ASN_INTEGER32:	445	case BER_TYPE_RELOID:
		446	res = decode_oid (1);
		447	break;
		448
		449	case BER_TYPE_INT:
387	res = decode_integer32 ();	450	res = decode_int ();
388	break;	451	break;
389		452
390	case ASN_APPLICATION \| SNMP_UNSIGNED32:	453	case BER_TYPE_UTF8:
391	case ASN_APPLICATION \| SNMP_COUNTER32:
392	case ASN_APPLICATION \| SNMP_TIMETICKS:
393	res = decode_unsigned32 ();
394	break;
395
396	#if 0 // handled by default case
397	case ASN_OCTET_STRING:
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 ();	454	res = decode_data ();
		455	SvUTF8_on (res);
406	break;	456	break;
407		457
		458	case BER_TYPE_BYTES:
		459	res = decode_data ();
		460	break;
		461
		462	case BER_TYPE_IPADDRESS:
		463	{
		464	U32 len = get_length ();
		465
		466	if (len != 4)
		467	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);
		468
		469	U8 c1 = get_u8 ();
		470	U8 c2 = get_u8 ();
		471	U8 c3 = get_u8 ();
		472	U8 c4 = get_u8 ();
		473
		474	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
		475	}
		476	break;
		477
		478	case BER_TYPE_REAL:
		479	case BER_TYPE_UCS2:
		480	case BER_TYPE_UCS4:
		481	case BER_TYPE_CROAK:
408	default:	482	default:
409	res = decode_octet_string ();	483	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
410	break;
411	}	484	}
412		485
413	AV *av = newAV ();	486	AV *av = newAV ();
414	av_fill (av, BER_ARRAYSIZE - 1);	487	av_fill (av, BER_ARRAYSIZE - 1);
415	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT);	488	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);
416	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	489	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	490	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);
418	AvARRAY (av)[BER_DATA ] = res;	491	AvARRAY (av)[BER_DATA ] = res;
419		492
420	return newRV_noinc ((SV *)av);	493	return newRV_noinc ((SV *)av);
…		…
529	? 1	602	? 1
530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	603	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);
531	}	604	}
532		605
533	static void	606	static void
534	encode_octet_string (SV *sv)	607	encode_data (const char *ptr, STRLEN len)
535	{	608	{
536	STRLEN len;
537	char *ptr = SvPVbyte (sv, len);
538
539	put_length (len);	609	put_length (len);
540	need (len);	610	need (len);
541	memcpy (cur, ptr, len);	611	memcpy (cur, ptr, len);
542	cur += len;	612	cur += len;
543	}	613	}
544		614
545	static void	615	static void
546	encode_integer32 (IV iv)	616	encode_uv (UV uv)
547	{	617	{
548	need (5);	618	}
		619
		620	static void
		621	encode_int (SV *sv)
		622	{
		623	need (8 + 1 + 1); // 64 bit + length + extra 0
		624
		625	if (expect_false (!SvIOK (sv)))
		626	sv_2iv_flags (sv, 0);
549		627
550	U8 *lenb = cur++;	628	U8 *lenb = cur++;
551		629
552	if (iv < 0)	630	if (SvIOK_notUV (sv))
553	{	631	{
		632	IV iv = SvIVX (sv);
		633
		634	if (expect_false (iv < 0))
		635	{
554	// get two's complement bit pattern - works even on hypthetical non-2c machines	636	// get two's complement bit pattern - works even on hypothetical non-2c machines
555	U32 uv = iv;	637	UV uv = iv;
556		638
		639	#if UVSIZE > 4
		640	*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U);
		641	*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U);
		642	*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U);
		643	*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U);
		644	#endif
557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);	645	*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U);
558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);	646	*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U);
559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);	647	*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U);
560	*cur = uv ; cur += 1;	648	*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		649
570	*lenb = cur - lenb - 1;	650	*lenb = cur - lenb - 1;
571	}
572		651
573	static void	652	return;
574	encode_unsigned64 (U64TYPE uv)	653	}
575	{	654	}
576	need (9);
577		655
578	U8 *lenb = cur++;	656	UV uv = SvUV (sv);
579		657
580	cur = uv >> 56; cur += cur > 0;	658	// prepend an extra 0 if the high bit is 1
581	cur = uv >> 48; cur += cur > 0;	659	cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE 8 - 1)));
582	cur = uv >> 40; cur += cur > 0;	660
583	cur = uv >> 32; cur += cur > 0;	661	#if UVSIZE > 4
584	cur = uv >> 24; cur += cur > 0;	662	*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U);
585	cur = uv >> 16; cur += cur > 0;	663	*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U);
586	cur = uv >> 8; cur += cur > 0;	664	*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U);
		665	*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U);
		666	#endif
		667	*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U);
		668	*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U);
		669	*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U);
587	*cur = uv ; cur += 1;	670	*cur = uv ; cur += 1;
588		671
589	*lenb = cur - lenb - 1;	672	*lenb = cur - lenb - 1;
590	}	673	}
591		674
…		…
631		714
632	return str;	715	return str;
633	}	716	}
634		717
635	static void	718	static void
636	encode_object_identifier (SV *oid)	719	encode_oid (SV *oid, int relative)
637	{	720	{
638	STRLEN slen;	721	STRLEN len;
639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter	722	char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter
640		723
641	// we need at most as many octets as the string form	724	// we need at most as many octets as the string form
642	need (slen + 1);	725	need (len + 1);
643	STRLEN mark = len_fixup_mark ();	726	STRLEN mark = len_fixup_mark ();
644		727
645	UV w1, w2;	728	UV w1, w2;
646		729
		730	if (!relative)
		731	{
647	ptr = read_uv (ptr, &w1);	732	ptr = read_uv (ptr, &w1);
648	ptr = read_uv (ptr, &w2);	733	ptr = read_uv (ptr, &w2);
649		734
650	put_w_nocheck (w1 * 40 + w2);	735	put_w_nocheck (w1 * 40 + w2);
		736	}
651		737
652	while (*ptr)	738	while (*ptr)
653	{	739	{
654	ptr = read_uv (ptr, &w1);	740	ptr = read_uv (ptr, &w1);
655	put_w_nocheck (w1);	741	put_w_nocheck (w1);
656	}	742	}
657		743
658	len_fixup (mark);	744	len_fixup (mark);
659	}	745	}
660		746
		747	// check whether an SV is a BER tuple and returns its AV *
		748	static AV *
		749	ber_tuple (SV *tuple)
		750	{
		751	SV *rv;
		752
		753	if (expect_false (!SvROK (tuple) \|\| SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV))
		754	croak ("BER tuple must be array-reference");
		755
		756	if (expect_false (SvRMAGICAL (rv)))
		757	croak ("BER tuple must not be tied");
		758
		759	if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1))
		760	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1);
		761
		762	return (AV *)rv;
		763	}
		764
661	static void	765	static void
662	encode_ber (SV *tuple)	766	encode_ber (SV *tuple)
663	{	767	{
664	if (expect_false (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV))	768	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		769
675	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	770	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
676	int tag = SvIV (AvARRAY (av)[BER_TAG]);	771	int tag = SvIV (AvARRAY (av)[BER_TAG]);
677	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	772	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;
678	SV *data = AvARRAY (av)[BER_DATA];	773	SV *data = AvARRAY (av)[BER_DATA];
…		…
707	encode_ber (AvARRAY (av)[i]);	802	encode_ber (AvARRAY (av)[i]);
708		803
709	len_fixup (mark);	804	len_fixup (mark);
710	}	805	}
711	else	806	else
712	switch (identifier \| tag)	807	switch (profile_lookup (cur_profile, klass, tag))
713	{	808	{
714	case ASN_NULL:	809	case BER_TYPE_NULL:
715	put_length (0);	810	put_length (0);
716	break;	811	break;
717		812
718	case ASN_OBJECT_IDENTIFIER:	813	case BER_TYPE_BOOL:
		814	put_length (1);
		815	put_u8 (SvTRUE (data) ? 0xff : 0x00);
		816	break;
		817
		818	case BER_TYPE_OID:
719	encode_object_identifier (data);	819	encode_oid (data, 0);
720	break;	820	break;
721		821
722	case ASN_INTEGER32:	822	case BER_TYPE_RELOID:
		823	encode_oid (data, 1);
		824	break;
		825
		826	case BER_TYPE_INT:
723	encode_integer32 (SvIV (data));	827	encode_int (data);
724	break;	828	break;
725		829
726	case ASN_APPLICATION \| SNMP_UNSIGNED32:	830	case BER_TYPE_BYTES:
727	case ASN_APPLICATION \| SNMP_COUNTER32:	831	{
728	case ASN_APPLICATION \| SNMP_TIMETICKS:	832	STRLEN len;
729	case ASN_APPLICATION \| SNMP_COUNTER64:	833	const char *ptr = SvPVbyte (data, len);
730	encode_unsigned64 (SvUV (data));	834	encode_data (ptr, len);
		835	}
731	break;	836	break;
732		837
		838	case BER_TYPE_UTF8:
		839	{
		840	STRLEN len;
		841	const char *ptr = SvPVutf8 (data, len);
		842	encode_data (ptr, len);
		843	}
		844	break;
		845
		846	case BER_TYPE_IPADDRESS:
		847	{
		848	U8 ip[4];
		849	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
		850	encode_data ((const char *)ip, sizeof (ip));
		851	}
		852	break;
		853
		854	case BER_TYPE_REAL:
		855	case BER_TYPE_UCS2:
		856	case BER_TYPE_UCS4:
		857	case BER_TYPE_CROAK:
733	default:	858	default:
734	encode_octet_string (data);	859	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
735	break;
736	}	860	}
737		861
738	}	862	}
739		863
740	/////////////////////////////////////////////////////////////////////////////	864	/////////////////////////////////////////////////////////////////////////////
…		…
744	PROTOTYPES: ENABLE	868	PROTOTYPES: ENABLE
745		869
746	BOOT:	870	BOOT:
747	{	871	{
748	HV *stash = gv_stashpv ("Convert::BER::XS", 1);	872	HV *stash = gv_stashpv ("Convert::BER::XS", 1);
		873
		874	profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1);
749		875
750	static const struct {	876	static const struct {
751	const char *name;	877	const char *name;
752	IV iv;	878	IV iv;
753	} *civ, const_iv[] = {	879	} *civ, const_iv[] = {
754	{ "ASN_BOOLEAN", ASN_BOOLEAN },	880	#define const_iv(name) { # name, name },
755	{ "ASN_INTEGER32", ASN_INTEGER32 },	881	const_iv (ASN_BOOLEAN)
756	{ "ASN_BIT_STRING", ASN_BIT_STRING },	882	const_iv (ASN_INTEGER32)
757	{ "ASN_OCTET_STRING", ASN_OCTET_STRING },	883	const_iv (ASN_BIT_STRING)
758	{ "ASN_NULL", ASN_NULL },	884	const_iv (ASN_OCTET_STRING)
759	{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER },	885	const_iv (ASN_NULL)
760	{ "ASN_TAG_BER", ASN_TAG_BER },	886	const_iv (ASN_OBJECT_IDENTIFIER)
761	{ "ASN_TAG_MASK", ASN_TAG_MASK },	887	const_iv (ASN_OBJECT_DESCRIPTOR)
762	{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED },	888	const_iv (ASN_OID)
763	{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT },	889	const_iv (ASN_EXTERNAL)
764	{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT },	890	const_iv (ASN_REAL)
765	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	891	const_iv (ASN_SEQUENCE)
766	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	892	const_iv (ASN_ENUMERATED)
767	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	893	const_iv (ASN_EMBEDDED_PDV)
768	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	894	const_iv (ASN_UTF8_STRING)
769	{ "ASN_SEQUENCE", ASN_SEQUENCE },	895	const_iv (ASN_RELATIVE_OID)
770	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },	896	const_iv (ASN_SET)
771	{ "SNMP_COUNTER32", SNMP_COUNTER32 },	897	const_iv (ASN_NUMERIC_STRING)
772	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },	898	const_iv (ASN_PRINTABLE_STRING)
773	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },	899	const_iv (ASN_TELETEX_STRING)
774	{ "SNMP_OPAQUE", SNMP_OPAQUE },	900	const_iv (ASN_T61_STRING)
775	{ "SNMP_COUNTER64", SNMP_COUNTER64 },	901	const_iv (ASN_VIDEOTEX_STRING)
		902	const_iv (ASN_IA5_STRING)
		903	const_iv (ASN_ASCII_STRING)
		904	const_iv (ASN_UTC_TIME)
		905	const_iv (ASN_GENERALIZED_TIME)
		906	const_iv (ASN_GRAPHIC_STRING)
		907	const_iv (ASN_VISIBLE_STRING)
		908	const_iv (ASN_ISO646_STRING)
		909	const_iv (ASN_GENERAL_STRING)
		910	const_iv (ASN_UNIVERSAL_STRING)
		911	const_iv (ASN_CHARACTER_STRING)
		912	const_iv (ASN_BMP_STRING)
776		913
777	{ "BER_CLASS" , BER_CLASS },	914	const_iv (ASN_UNIVERSAL)
778	{ "BER_TAG" , BER_TAG },	915	const_iv (ASN_APPLICATION)
779	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	916	const_iv (ASN_CONTEXT)
780	{ "BER_DATA" , BER_DATA },	917	const_iv (ASN_PRIVATE)
		918
		919	const_iv (BER_CLASS)
		920	const_iv (BER_TAG)
		921	const_iv (BER_CONSTRUCTED)
		922	const_iv (BER_DATA)
		923
		924	const_iv (BER_TYPE_BYTES)
		925	const_iv (BER_TYPE_UTF8)
		926	const_iv (BER_TYPE_UCS2)
		927	const_iv (BER_TYPE_UCS4)
		928	const_iv (BER_TYPE_INT)
		929	const_iv (BER_TYPE_OID)
		930	const_iv (BER_TYPE_RELOID)
		931	const_iv (BER_TYPE_NULL)
		932	const_iv (BER_TYPE_BOOL)
		933	const_iv (BER_TYPE_REAL)
		934	const_iv (BER_TYPE_IPADDRESS)
		935	const_iv (BER_TYPE_CROAK)
		936
		937	const_iv (SNMP_IPADDRESS)
		938	const_iv (SNMP_COUNTER32)
		939	const_iv (SNMP_UNSIGNED32)
		940	const_iv (SNMP_TIMETICKS)
		941	const_iv (SNMP_OPAQUE)
		942	const_iv (SNMP_COUNTER64)
781	};	943	};
782		944
783	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	945	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));	946	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
785	}	947	}
786		948
787	SV *	949	SV *
788	ber_decode (SV *ber)	950	ber_decode (SV ber, SV profile = &PL_sv_undef)
789	CODE:	951	CODE:
790	{	952	{
		953	cur_profile = SvPROFILE (profile);
791	STRLEN len;	954	STRLEN len;
792
793	buf = SvPVbyte (ber, len);	955	buf = SvPVbyte (ber, len);
794	cur = buf;	956	cur = buf;
795	end = buf + len;	957	end = buf + len;
796		958
797	RETVAL = decode_ber ();	959	RETVAL = decode_ber ();
798	}	960	}
799	OUTPUT: RETVAL	961	OUTPUT: RETVAL
800		962
801	void	963	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)	964	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:	965	PPCODE:
805	{	966	{
806	if (!SvOK (tuple))	967	if (!SvOK (tuple))
807	XSRETURN_NO;	968	XSRETURN_NO;
808		969
809	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	970	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)
810	croak ("ber_seq: tuple must be ber tuple (array-ref)");	971	croak ("ber_is: tuple must be BER tuple (array-ref)");
811		972
812	AV av = (AV )SvRV (tuple);	973	AV av = (AV )SvRV (tuple);
813		974
814	XPUSHs (	975	XPUSHs (
815	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	976	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))
816	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	977	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
817	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	978	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))
818	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	979	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
819	? &PL_sv_yes : &PL_sv_no);	980	? &PL_sv_yes : &PL_sv_undef);
820	}	981	}
821		982
822	void	983	void
823	ber_is_seq (SV *tuple)	984	ber_is_seq (SV *tuple)
824	PPCODE:	985	PPCODE:
825	{	986	{
826	if (!SvOK (tuple))	987	if (!SvOK (tuple))
827	XSRETURN_UNDEF;	988	XSRETURN_UNDEF;
828		989
829	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	990	AV *av = ber_tuple (tuple);
830	croak ("ber_seq: tuple must be ber tuple (array-ref)");
831
832	AV av = (AV )SvRV (tuple);
833		991
834	XPUSHs (	992	XPUSHs (
835	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	993	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
836	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	994	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
837	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	995	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])
838	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	996	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
839	}	997	}
840		998
841	void	999	void
842	ber_is_i32 (SV *tuple, IV value)	1000	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)
843	PPCODE:	1001	PPCODE:
844	{	1002	{
845	if (!SvOK (tuple))	1003	if (!SvOK (tuple))
846	XSRETURN_NO;	1004	XSRETURN_NO;
847		1005
848	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1006	AV *av = ber_tuple (tuple);
849	croak ("ber_seq: tuple must be ber tuple (array-ref)");
850		1007
851	AV av = (AV )SvRV (tuple);	1008	IV data = SvIV (AvARRAY (av)[BER_DATA]);
852		1009
853	XPUSHs (	1010	XPUSHs (
854	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1011	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
855	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1012	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32
856	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1013	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])
857	&& SvIV (AvARRAY (av)[BER_DATA ]) == value	1014	&& (!SvOK (value) \|\| data == SvIV (value))
858	? &PL_sv_yes : &PL_sv_no);	1015	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))
		1016	: &PL_sv_undef);
859	}	1017	}
860		1018
861	void	1019	void
862	ber_is_oid (SV tuple, SV oid)	1020	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
863	PPCODE:	1021	PPCODE:
864	{	1022	{
865	if (!SvOK (tuple))	1023	if (!SvOK (tuple))
866	XSRETURN_NO;	1024	XSRETURN_NO;
867		1025
868	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1026	AV *av = ber_tuple (tuple);
869	croak ("ber_seq: tuple must be ber tuple (array-ref)");
870
871	AV av = (AV )SvRV (tuple);
872		1027
873	XPUSHs (	1028	XPUSHs (
874	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1029	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL
875	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1030	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
876	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1031	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])
877	&& sv_eq (AvARRAY (av)[BER_DATA], oid)	1032	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
878	? &PL_sv_yes : &PL_sv_no);	1033	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
879	}	1034	}
880		1035
881	#############################################################################	1036	#############################################################################
882		1037
883	void	1038	void
884	ber_encode (SV *tuple)	1039	ber_encode (SV tuple, SV profile = &PL_sv_undef)
885	PPCODE:	1040	PPCODE:
886	{	1041	{
		1042	cur_profile = SvPROFILE (profile);
887	buf_sv = sv_2mortal (NEWSV (0, 256));	1043	buf_sv = sv_2mortal (NEWSV (0, 256));
888	SvPOK_only (buf_sv);	1044	SvPOK_only (buf_sv);
889	set_buf (buf_sv);	1045	set_buf (buf_sv);
890		1046
891	encode_ber (tuple);	1047	encode_ber (tuple);
892		1048
893	SvCUR_set (buf_sv, cur - buf);	1049	SvCUR_set (buf_sv, cur - buf);
894	XPUSHs (buf_sv);	1050	XPUSHs (buf_sv);
895	}	1051	}
896		1052
		1053	SV *
		1054	ber_i32 (IV iv)
		1055	CODE:
		1056	{
		1057	AV *av = newAV ();
		1058	av_fill (av, BER_ARRAYSIZE - 1);
		1059	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);
		1060	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);
		1061	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);
		1062	AvARRAY (av)[BER_DATA ] = newSViv (iv);
		1063	RETVAL = newRV_noinc ((SV *)av);
		1064	}
		1065	OUTPUT: RETVAL
		1066
		1067	# TODO: not arrayref, but elements?
		1068	SV *
		1069	ber_seq (SV *arrayref)
		1070	CODE:
		1071	{
		1072	AV *av = newAV ();
		1073	av_fill (av, BER_ARRAYSIZE - 1);
		1074	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);
		1075	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
		1076	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);
		1077	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
		1078	RETVAL = newRV_noinc ((SV *)av);
		1079	}
		1080	OUTPUT: RETVAL
		1081
		1082	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
		1083
		1084	SV *
		1085	new (SV *klass)
		1086	CODE:
		1087	RETVAL = profile_new ();
		1088	OUTPUT: RETVAL
		1089
		1090	void
		1091	set (SV *profile, int klass, int tag, int type)
		1092	CODE:
		1093	profile_set (SvPROFILE (profile), klass, tag, type);
		1094
		1095	IV
		1096	get (SV *profile, int klass, int tag)
		1097	CODE:
		1098	RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
		1099	OUTPUT: RETVAL
		1100
		1101	void
		1102	_set_default (SV *profile)
		1103	CODE:
		1104	default_profile = SvPROFILE (profile);
		1105
		1106

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC vs. Revision 1.6 by root, Sat Apr 20 01:03:59 2019 UTC

Diff Legend

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC vs.
Revision 1.6 by root, Sat Apr 20 01:03:59 2019 UTC