[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 1.18 by root, Sat Apr 20 16:12:53 2019 UTC

…		…
1	#include "EXTERN.h"	1	#include "EXTERN.h"
2	#include "perl.h"	2	#include "perl.h"
3	#include "XSUB.h"	3	#include "XSUB.h"
4		4
5	// C99 required	5	// C99 required!
		6	// this is not just for comments, but also for
		7	// integer constant semantics,
		8	// sscanf format modifiers and more.
6		9
7	enum {	10	enum {
8	// ASN_TAG	11	// ASN_TAG
9	ASN_BOOLEAN = 0x01,	12	ASN_BOOLEAN = 0x01,
10	ASN_INTEGER32 = 0x02,	13	ASN_INTEGER = 0x02,
11	ASN_BIT_STRING = 0x03,	14	ASN_BIT_STRING = 0x03,
12	ASN_OCTET_STRING = 0x04,	15	ASN_OCTET_STRING = 0x04,
13	ASN_NULL = 0x05,	16	ASN_NULL = 0x05,
14	ASN_OBJECT_IDENTIFIER = 0x06,	17	ASN_OBJECT_IDENTIFIER = 0x06,
15	ASN_OID = 0x06, //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_FLAGS = 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 (void)
		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_INTEGER , 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
…		…
142		248
143	return *cur++;	249	return *cur++;
144	}	250	}
145		251
146	// get ber-encoded integer (i.e. pack "w")	252	// get ber-encoded integer (i.e. pack "w")
147	static U32	253	static UV
148	get_w (void)	254	get_w (void)
149	{	255	{
150	U32 res = 0;	256	UV res = 0;
151		257
152	for (;;)	258	for (;;)
153	{	259	{
154	U8 c = get_u8 ();	260	U8 c = get_u8 ();
155	res = (res << 7) \| (c & 0x7f);	261	res = (res << 7) \| (c & 0x7f);
…		…
157	if (!(c & 0x80))	263	if (!(c & 0x80))
158	return res;	264	return res;
159	}	265	}
160	}	266	}
161		267
162	static U32	268	static UV
163	get_length (void)	269	get_length (void)
164	{	270	{
165	U32 res = get_u8 ();	271	UV res = get_u8 ();
166		272
167	if (res & 0x80)	273	if (res & 0x80)
168	{	274	{
169	int cnt = res & 0x7f;	275	int cnt = res & 0x7f;
170	res = 0;	276	res = 0;
…		…
173	{	279	{
174	case 0:	280	case 0:
175	error ("indefinite ASN.1 lengths not supported");	281	error ("indefinite ASN.1 lengths not supported");
176	return 0;	282	return 0;
177		283
		284	//case 0x80: // indefinite length
		285
		286	//case 0xff: reserved
178	default:	287	default:
179	error ("ASN.1 length too long");	288	error ("ASN.1 length too long");
180	return 0;	289	return 0;
181		290
		291	case 8: res = (res << 8) \| get_u8 ();
		292	case 7: res = (res << 8) \| get_u8 ();
		293	case 6: res = (res << 8) \| get_u8 ();
		294	case 5: res = (res << 8) \| get_u8 ();
182	case 4: res = (res << 8) \| get_u8 ();	295	case 4: res = (res << 8) \| get_u8 ();
183	case 3: res = (res << 8) \| get_u8 ();	296	case 3: res = (res << 8) \| get_u8 ();
184	case 2: res = (res << 8) \| get_u8 ();	297	case 2: res = (res << 8) \| get_u8 ();
185	case 1: res = (res << 8) \| get_u8 ();	298	case 1: res = (res << 8) \| get_u8 ();
186	}	299	}
187	}	300	}
188		301
189	return res;	302	return res;
190	}	303	}
191		304
192	static U32	305	static SV *
193	get_integer32 (void)	306	decode_int (void)
194	{	307	{
195	U32 length = get_length ();	308	UV len = get_length ();
196		309
197	if (length <= 0)	310	if (!len)
198	{	311	{
199	error ("INTEGER32 length equal to zero");	312	error ("invalid integer length equal to zero");
200	return 0;	313	return 0;
201	}	314	}
202		315
203	U8 *data = get_n (length);	316	U8 *data = get_n (len);
204		317
205	if (length > 5 \|\| (length > 4 && data [0]))	318	int negative = data [0] & 0x80;
206	{
207	error ("INTEGER32 length too long");
208	return 0;
209	}
210		319
211	U32 res = data [0] & 0x80 ? 0xffffffff : 0;	320	UV val = negative ? -1 : 0; // copy signbit to all bits
212		321
213	while (length--)	322	do
214	res = (res << 8) \| *data++;	323	val = (val << 8) \| *data++;
		324	while (--len);
215		325
216	return res;	326	// the cast to IV relies on implementation-defined behaviour (two's complement cast)
		327	// but that's ok, as perl relies on it as well.
		328	return negative ? newSViv ((IV)val) : newSVuv (val);
217	}	329	}
218		330
219	static SV *	331	static SV *
220	decode_integer32 (void)	332	decode_data (void)
221	{	333	{
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 ();	334	UV len = get_length ();
237		335	return newSVpvn ((char *)get_n (len), len);
238	if (length <= 0)
239	{
240	error ("INTEGER64 length equal to zero");
241	return 0;
242	}
243
244	U8 *data = get_n (length);
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	}	336	}
259		337
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);
280	}
281
282	// gelper for decode_object_identifier	338	// helper for decode_object_identifier
283	static char *	339	static char *
284	write_uv (char *buf, U32 u)	340	write_uv (char *buf, UV u)
285	{	341	{
286	// the one-digit case is absolutely predominant, so this pays off (hopefully)	342	// the one-digit case is absolutely predominant, so this pays off (hopefully)
287	if (u < 10)	343	if (expect_true (u < 10))
288	*buf++ = u + '0';	344	*buf++ = u + '0';
289	else	345	else
290	{	346	{
		347	// this could be done much faster using branchless fixed-point arithmetics
291	char *beg = buf;	348	char *beg = buf;
292		349
293	do	350	do
294	{	351	{
295	*buf++ = u % 10 + '0';	352	*buf++ = u % 10 + '0';
296	u /= 10;	353	u /= 10;
297	}	354	}
298	while (u);	355	while (u);
299		356
300	// reverse digits	357	// reverse digits
301	for (char *ptr = buf; --ptr != beg; ++beg)	358	char *ptr = buf;
		359	while (--ptr > beg)
302	{	360	{
303	char c = *ptr;	361	char c = *ptr;
304	ptr = beg;	362	ptr = beg;
305	*beg = c;	363	*beg = c;
		364	++beg;
306	}	365	}
307	}	366	}
308		367
309	return buf;	368	return buf;
310	}	369	}
311		370
312	static SV *	371	static SV *
313	decode_object_identifier (void)	372	decode_oid (int relative)
314	{	373	{
315	U32 length = get_length ();	374	UV len = get_length ();
316		375
317	if (length <= 0)	376	if (len <= 0)
318	{	377	{
319	error ("OBJECT IDENTIFIER length equal to zero");	378	error ("OBJECT IDENTIFIER length equal to zero");
320	return &PL_sv_undef;	379	return &PL_sv_undef;
321	}	380	}
322		381
323	U8 *end = cur + length;	382	U8 *end = cur + len;
324	U32 w = get_w ();	383	UV w = get_w ();
325		384
326	static char oid[MAX_OID_STRLEN]; // must be static	385	static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack
327	char *app = oid;	386	char *app = oid;
328		387
		388	if (relative)
		389	app = write_uv (app, w);
		390	else if (w < 2 * 40)
		391	{
329	app = write_uv (app, (U8)w / 40);	392	app = write_uv (app, (U8)w / 40);
330	*app++ = '.';	393	*app++ = '.';
331	app = write_uv (app, (U8)w % 40);	394	app = write_uv (app, (U8)w % 40);
		395	}
		396	else
		397	{
		398	app = write_uv (app, 2);
		399	*app++ = '.';
		400	app = write_uv (app, w - 2 * 40);
		401	}
332		402
		403	while (cur < end)
		404	{
333	// we assume an oid component is never > 64 bytes	405	// we assume an oid component is never > 64 digits
334	while (cur < end && oid + sizeof (oid) - app > 64)	406	if (oid + sizeof (oid) - app < 64)
335	{	407	croak ("BER_TYPE_OID to long to decode");
		408
336	w = get_w ();	409	w = get_w ();
337	*app++ = '.';	410	*app++ = '.';
338	app = write_uv (app, w);	411	app = write_uv (app, w);
339	}	412	}
340		413
341	return newSVpvn (oid, app - oid);	414	return newSVpvn (oid, app - oid);
342	}	415	}
343		416
		417	// TODO: this is unacceptably slow
344	static SV *	418	static SV *
		419	decode_ucs (int chrsize)
		420	{
		421	SV *res = NEWSV (0, 0);
		422
		423	UV len = get_length ();
		424
		425	if (len & (chrsize - 1))
		426	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		427
		428	while (len)
		429	{
		430	U8 b1 = get_u8 ();
		431	U8 b2 = get_u8 ();
		432	U32 chr = (b1 << 8) \| b2;
		433
		434	if (chrsize == 4)
		435	{
		436	U8 b3 = get_u8 ();
		437	U8 b4 = get_u8 ();
		438	chr = (chr << 16) \| (b3 << 8) \| b4;
		439	}
		440
		441	U8 uchr [UTF8_MAXBYTES];
		442	int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
		443
		444	sv_catpvn (res, (const char *)uchr, uclen);
		445	len -= chrsize;
		446	}
		447
		448	SvUTF8_on (res);
		449
		450	return res;
		451	}
		452
		453	static SV *
345	decode_ber ()	454	decode_ber (void)
346	{	455	{
347	int identifier = get_u8 ();	456	int identifier = get_u8 ();
348		457
349	SV *res;	458	SV *res;
350		459
351	int constructed = identifier & ASN_CONSTRUCTED;	460	int constructed = identifier & ASN_CONSTRUCTED;
352	int klass = identifier & ASN_CLASS_MASK;	461	int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT;
353	int tag = identifier & ASN_TAG_MASK;	462	int tag = identifier & ASN_TAG_MASK;
354		463
355	if (tag == ASN_TAG_BER)	464	if (tag == ASN_TAG_BER)
356	tag = get_w ();	465	tag = get_w ();
357		466
358	if (tag == ASN_TAG_BER)	467	if (tag == ASN_TAG_BER)
359	tag = get_w ();	468	tag = get_w ();
360		469
361	if (constructed)	470	if (constructed)
362	{	471	{
363	U32 len = get_length ();	472	UV len = get_length ();
364	U32 seqend = (cur - buf) + len;	473	UV seqend = (cur - buf) + len;
365	AV av = (AV )sv_2mortal ((SV *)newAV ());	474	AV av = (AV )sv_2mortal ((SV *)newAV ());
366		475
367	while (cur < buf + seqend)	476	while (cur < buf + seqend)
368	av_push (av, decode_ber ());	477	av_push (av, decode_ber ());
369		478
…		…
371	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	480	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);
372		481
373	res = newRV_inc ((SV *)av);	482	res = newRV_inc ((SV *)av);
374	}	483	}
375	else	484	else
376	switch (identifier)	485	switch (profile_lookup (cur_profile, klass, tag))
377	{	486	{
378	case ASN_NULL:	487	case BER_TYPE_NULL:
		488	{
		489	UV len = get_length ();
		490
		491	if (len)
		492	croak ("BER_TYPE_NULL value with non-zero length %d encountered", len);
		493
379	res = &PL_sv_undef;	494	res = &PL_sv_undef;
		495	}
380	break;	496	break;
381		497
382	case ASN_OBJECT_IDENTIFIER:	498	case BER_TYPE_BOOL:
		499	{
		500	UV len = get_length ();
		501
		502	if (len != 1)
		503	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered", len);
		504
		505	res = newSVcacheint (!!get_u8 ());
		506	}
		507	break;
		508
		509	case BER_TYPE_OID:
383	res = decode_object_identifier ();	510	res = decode_oid (0);
384	break;	511	break;
385		512
386	case ASN_INTEGER32:	513	case BER_TYPE_RELOID:
		514	res = decode_oid (1);
		515	break;
		516
		517	case BER_TYPE_INT:
387	res = decode_integer32 ();	518	res = decode_int ();
388	break;	519	break;
389		520
390	case ASN_APPLICATION \| SNMP_UNSIGNED32:	521	case BER_TYPE_UTF8:
391	case ASN_APPLICATION \| SNMP_COUNTER32:	522	res = decode_data ();
392	case ASN_APPLICATION \| SNMP_TIMETICKS:	523	SvUTF8_on (res);
		524	break;
		525
		526	case BER_TYPE_BYTES:
		527	res = decode_data ();
		528	break;
		529
		530	case BER_TYPE_IPADDRESS:
		531	{
		532	UV len = get_length ();
		533
		534	if (len != 4)
		535	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);
		536
		537	U8 c1 = get_u8 ();
		538	U8 c2 = get_u8 ();
		539	U8 c3 = get_u8 ();
		540	U8 c4 = get_u8 ();
		541
		542	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
		543	}
		544	break;
		545
		546	case BER_TYPE_UCS2:
		547	res = decode_ucs (2);
		548	break;
		549
		550	case BER_TYPE_UCS4:
393	res = decode_unsigned32 ();	551	res = decode_ucs (4);
394	break;	552	break;
395		553
396	#if 0 // handled by default case	554	case BER_TYPE_REAL:
397	case ASN_OCTET_STRING:	555	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:	556	default:
409	res = decode_octet_string ();	557	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
410	break;
411	}	558	}
412		559
413	AV *av = newAV ();	560	AV *av = newAV ();
414	av_fill (av, BER_ARRAYSIZE - 1);	561	av_fill (av, BER_ARRAYSIZE - 1);
415	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT);	562	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
416	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	563	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	564	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
418	AvARRAY (av)[BER_DATA ] = res;	565	AvARRAY (av)[BER_DATA ] = res;
419		566
420	return newRV_noinc ((SV *)av);	567	return newRV_noinc ((SV *)av);
421	}	568	}
422		569
423	/////////////////////////////////////////////////////////////////////////////	570	/////////////////////////////////////////////////////////////////////////////
…		…
438	static void	585	static void
439	set_buf (SV *sv)	586	set_buf (SV *sv)
440	{	587	{
441	STRLEN len;	588	STRLEN len;
442	buf_sv = sv;	589	buf_sv = sv;
443	buf = SvPVbyte (buf_sv, len);	590	buf = (U8 *)SvPVbyte (buf_sv, len);
444	cur = buf;	591	cur = buf;
445	end = buf + len;	592	end = buf + len;
446	}	593	}
447		594
448	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	595	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
462	need (STRLEN len)	609	need (STRLEN len)
463	{	610	{
464	if (expect_false ((uintptr_t)(end - cur) < len))	611	if (expect_false ((uintptr_t)(end - cur) < len))
465	{	612	{
466	STRLEN pos = cur - buf;	613	STRLEN pos = cur - buf;
467	buf = my_sv_grow (buf_sv, pos, len);	614	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
468	cur = buf + pos;	615	cur = buf + pos;
469	end = buf + SvLEN (buf_sv) - 1;	616	end = buf + SvLEN (buf_sv) - 1;
470	}	617	}
471	}	618	}
472		619
…		…
476	need (1);	623	need (1);
477	*cur++ = val;	624	*cur++ = val;
478	}	625	}
479		626
480	static void	627	static void
481	put_w_nocheck (U32 val)	628	put_w_nocheck (UV val)
482	{	629	{
		630	#if UVSIZE > 4
		631	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		632	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		633	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		634	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		635	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		636	#endif
483	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	637	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
484	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	638	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
485	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	639	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
486	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	640	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
487	*cur = val & 0x7f; cur += 1;	641	*cur = val & 0x7f; cur += 1;
488	}	642	}
489		643
490	static void	644	static void
491	put_w (U32 val)	645	put_w (UV val)
492	{	646	{
493	need (5); // we only handle up to 5 bytes	647	need (5); // we only handle up to 5 bytes
494		648
495	put_w_nocheck (val);	649	put_w_nocheck (val);
496	}	650	}
497		651
498	static U8 *	652	static U8 *
499	put_length_at (U32 val, U8 *cur)	653	put_length_at (UV val, U8 *cur)
500	{	654	{
501	if (val < 0x7fU)	655	if (val < 0x7fU)
502	*cur++ = val;	656	*cur++ = val;
503	else	657	else
504	{	658	{
505	U8 *lenb = cur++;	659	U8 *lenb = cur++;
506		660
		661	#if UVSIZE > 4
		662	cur = val >> 56; cur += cur > 0;
		663	cur = val >> 48; cur += cur > 0;
		664	cur = val >> 40; cur += cur > 0;
		665	cur = val >> 32; cur += cur > 0;
		666	#endif
507	cur = val >> 24; cur += cur > 0;	667	cur = val >> 24; cur += cur > 0;
508	cur = val >> 16; cur += cur > 0;	668	cur = val >> 16; cur += cur > 0;
509	cur = val >> 8; cur += cur > 0;	669	cur = val >> 8; cur += cur > 0;
510	*cur = val ; cur += 1;	670	*cur = val ; cur += 1;
511		671
…		…
514		674
515	return cur;	675	return cur;
516	}	676	}
517		677
518	static void	678	static void
519	put_length (U32 val)	679	put_length (UV val)
520	{	680	{
521	need (5);	681	need (5 + val);
522	cur = put_length_at (val, cur);	682	cur = put_length_at (val, cur);
523	}	683	}
524		684
525	// return how many bytes the encoded length requires	685	// return how many bytes the encoded length requires
526	static int length_length (U32 val)	686	static int length_length (UV val)
527	{	687	{
528	return val < 0x7fU	688	return val < 0x7fU
529	? 1	689	? 1
530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	690	: 2
		691	+ (val > 0xffU)
		692	+ (val > 0xffffU)
		693	+ (val > 0xffffffU)
		694	#if UVSIZE > 4
		695	+ (val > 0xffffffffU)
		696	+ (val > 0xffffffffffU)
		697	+ (val > 0xffffffffffffU)
		698	+ (val > 0xffffffffffffffU)
		699	#endif
		700	;
531	}	701	}
532		702
533	static void	703	static void
534	encode_octet_string (SV *sv)	704	encode_data (const char *ptr, STRLEN len)
535	{	705	{
536	STRLEN len;
537	char *ptr = SvPVbyte (sv, len);
538
539	put_length (len);	706	put_length (len);
540	need (len);
541	memcpy (cur, ptr, len);	707	memcpy (cur, ptr, len);
542	cur += len;	708	cur += len;
543	}	709	}
544		710
545	static void	711	static void
546	encode_integer32 (IV iv)	712	encode_uv (UV uv)
547	{	713	{
548	need (5);	714	}
		715
		716	static void
		717	encode_int (SV *sv)
		718	{
		719	need (8 + 1 + 1); // 64 bit + length + extra 0
		720
		721	if (expect_false (!SvIOK (sv)))
		722	sv_2iv_flags (sv, 0);
549		723
550	U8 *lenb = cur++;	724	U8 *lenb = cur++;
551		725
552	if (iv < 0)	726	if (SvIOK_notUV (sv))
553	{	727	{
		728	IV iv = SvIVX (sv);
		729
		730	if (expect_false (iv < 0))
		731	{
554	// get two's complement bit pattern - works even on hypthetical non-2c machines	732	// get two's complement bit pattern - works even on hypothetical non-2c machines
555	U32 uv = iv;	733	UV uv = iv;
556		734
		735	#if UVSIZE > 4
		736	*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U);
		737	*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U);
		738	*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U);
		739	*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U);
		740	#endif
557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);	741	*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U);
558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);	742	*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U);
559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);	743	*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U);
560	*cur = uv ; cur += 1;	744	*cur = uv ; cur += 1;
561	}	745
562	else	746	*lenb = cur - lenb - 1;
		747
		748	return;
		749	}
563	{	750	}
564	cur = iv >> 24; cur += cur > 0;	751
565	cur = iv >> 16; cur += cur > 0;	752	UV uv = SvUV (sv);
566	cur = iv >> 8; cur += cur > 0;	753
		754	// prepend an extra 0 if the high bit is 1
		755	cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE 8 - 1)));
		756
		757	#if UVSIZE > 4
		758	*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U);
		759	*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U);
		760	*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U);
		761	*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U);
		762	#endif
		763	*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U);
		764	*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U);
		765	*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U);
567	*cur = iv ; cur += 1;	766	*cur = uv ; cur += 1;
568	}
569		767
570	*lenb = cur - lenb - 1;	768	*lenb = cur - lenb - 1;
571	}	769	}
572		770
573	static void
574	encode_unsigned64 (U64TYPE uv)
575	{
576	need (9);
577
578	U8 *lenb = cur++;
579
580	cur = uv >> 56; cur += cur > 0;
581	cur = uv >> 48; cur += cur > 0;
582	cur = uv >> 40; cur += cur > 0;
583	cur = uv >> 32; cur += cur > 0;
584	cur = uv >> 24; cur += cur > 0;
585	cur = uv >> 16; cur += cur > 0;
586	cur = uv >> 8; cur += cur > 0;
587	*cur = uv ; cur += 1;
588
589	*lenb = cur - lenb - 1;
590	}
591
592	// we don't know the length yet, so we optimistically	771	// we don't know the length yet, so we optimistically
593	// assume the length will need one octet later. if that	772	// assume the length will need one octet later. If that
594	// turns out to be wrong, we memove as needed.	773	// turns out to be wrong, we memmove as needed.
595	// mark the beginning	774	// mark the beginning
596	static STRLEN	775	static STRLEN
597	len_fixup_mark ()	776	len_fixup_mark (void)
598	{	777	{
599	return cur++ - buf;	778	return cur++ - buf;
600	}	779	}
601		780
602	// patch up the length	781	// patch up the length
…		…
631		810
632	return str;	811	return str;
633	}	812	}
634		813
635	static void	814	static void
636	encode_object_identifier (SV *oid)	815	encode_oid (SV *oid, int relative)
637	{	816	{
638	STRLEN slen;	817	STRLEN len;
639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter	818	char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter
640		819
641	// we need at most as many octets as the string form	820	// we need at most as many octets as the string form
642	need (slen + 1);	821	need (len + 1);
643	STRLEN mark = len_fixup_mark ();	822	STRLEN mark = len_fixup_mark ();
644		823
645	UV w1, w2;	824	UV w1, w2;
646		825
		826	if (!relative)
		827	{
647	ptr = read_uv (ptr, &w1);	828	ptr = read_uv (ptr, &w1);
648	ptr = read_uv (ptr, &w2);	829	ptr = read_uv (ptr, &w2);
649		830
650	put_w_nocheck (w1 * 40 + w2);	831	put_w_nocheck (w1 * 40 + w2);
		832	}
651		833
652	while (*ptr)	834	while (*ptr)
653	{	835	{
654	ptr = read_uv (ptr, &w1);	836	ptr = read_uv (ptr, &w1);
655	put_w_nocheck (w1);	837	put_w_nocheck (w1);
656	}	838	}
657		839
658	len_fixup (mark);	840	len_fixup (mark);
659	}	841	}
660		842
		843	// check whether an SV is a BER tuple and returns its AV *
		844	static AV *
		845	ber_tuple (SV *tuple)
		846	{
		847	SV *rv;
		848
		849	if (expect_false (!SvROK (tuple) \|\| SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV))
		850	croak ("BER tuple must be array-reference");
		851
		852	if (expect_false (SvRMAGICAL (rv)))
		853	croak ("BER tuple must not be tied");
		854
		855	if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1))
		856	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1);
		857
		858	return (AV *)rv;
		859	}
		860
		861	static void
		862	encode_ucs (SV *data, int chrsize)
		863	{
		864	STRLEN uchars = sv_len_utf8 (data);
		865	STRLEN len;;
		866	char *ptr = SvPVutf8 (data, len);
		867
		868	put_length (uchars * chrsize);
		869
		870	while (uchars--)
		871	{
		872	STRLEN uclen;
		873	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
		874
		875	ptr += uclen;
		876	len -= uclen;
		877
		878	if (chrsize == 4)
		879	{
		880	*cur++ = uchr >> 24;
		881	*cur++ = uchr >> 16;
		882	}
		883
		884	*cur++ = uchr >> 8;
		885	*cur++ = uchr;
		886	}
		887	}
661	static void	888	static void
662	encode_ber (SV *tuple)	889	encode_ber (SV *tuple)
663	{	890	{
664	if (expect_false (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV))	891	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		892
675	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	893	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
676	int tag = SvIV (AvARRAY (av)[BER_TAG]);	894	int tag = SvIV (AvARRAY (av)[BER_TAG]);
677	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	895	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
678	SV *data = AvARRAY (av)[BER_DATA];	896	SV *data = AvARRAY (av)[BER_DATA];
679		897
680	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	898	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
681		899
682	if (expect_false (tag >= ASN_TAG_BER))	900	if (expect_false (tag >= ASN_TAG_BER))
…		…
701	int fill = AvFILL (av);	919	int fill = AvFILL (av);
702		920
703	if (expect_false (SvRMAGICAL (av)))	921	if (expect_false (SvRMAGICAL (av)))
704	croak ("BER constructed data must not be tied");	922	croak ("BER constructed data must not be tied");
705		923
		924	int i;
706	for (int i = 0; i <= fill; ++i)	925	for (i = 0; i <= fill; ++i)
707	encode_ber (AvARRAY (av)[i]);	926	encode_ber (AvARRAY (av)[i]);
708		927
709	len_fixup (mark);	928	len_fixup (mark);
710	}	929	}
711	else	930	else
712	switch (identifier \| tag)	931	switch (profile_lookup (cur_profile, klass, tag))
713	{	932	{
714	case ASN_NULL:	933	case BER_TYPE_NULL:
715	put_length (0);	934	put_length (0);
716	break;	935	break;
717		936
718	case ASN_OBJECT_IDENTIFIER:	937	case BER_TYPE_BOOL:
		938	put_length (1);
		939	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
		940	break;
		941
		942	case BER_TYPE_OID:
719	encode_object_identifier (data);	943	encode_oid (data, 0);
720	break;	944	break;
721		945
722	case ASN_INTEGER32:	946	case BER_TYPE_RELOID:
		947	encode_oid (data, 1);
		948	break;
		949
		950	case BER_TYPE_INT:
723	encode_integer32 (SvIV (data));	951	encode_int (data);
724	break;	952	break;
725		953
726	case ASN_APPLICATION \| SNMP_UNSIGNED32:	954	case BER_TYPE_BYTES:
727	case ASN_APPLICATION \| SNMP_COUNTER32:	955	{
728	case ASN_APPLICATION \| SNMP_TIMETICKS:	956	STRLEN len;
729	case ASN_APPLICATION \| SNMP_COUNTER64:	957	const char *ptr = SvPVbyte (data, len);
730	encode_unsigned64 (SvUV (data));	958	encode_data (ptr, len);
		959	}
731	break;	960	break;
732		961
		962	case BER_TYPE_UTF8:
		963	{
		964	STRLEN len;
		965	const char *ptr = SvPVutf8 (data, len);
		966	encode_data (ptr, len);
		967	}
		968	break;
		969
		970	case BER_TYPE_IPADDRESS:
		971	{
		972	U8 ip[4];
		973	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
		974	encode_data ((const char *)ip, sizeof (ip));
		975	}
		976	break;
		977
		978	case BER_TYPE_UCS2:
		979	encode_ucs (data, 2);
		980	break;
		981
		982	case BER_TYPE_UCS4:
		983	encode_ucs (data, 4);
		984	break;
		985
		986	case BER_TYPE_REAL:
		987	case BER_TYPE_CROAK:
733	default:	988	default:
734	encode_octet_string (data);	989	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
735	break;
736	}	990	}
737		991
738	}	992	}
739		993
740	/////////////////////////////////////////////////////////////////////////////	994	/////////////////////////////////////////////////////////////////////////////
…		…
744	PROTOTYPES: ENABLE	998	PROTOTYPES: ENABLE
745		999
746	BOOT:	1000	BOOT:
747	{	1001	{
748	HV *stash = gv_stashpv ("Convert::BER::XS", 1);	1002	HV *stash = gv_stashpv ("Convert::BER::XS", 1);
		1003
		1004	profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1);
749		1005
750	static const struct {	1006	static const struct {
751	const char *name;	1007	const char *name;
752	IV iv;	1008	IV iv;
753	} *civ, const_iv[] = {	1009	} *civ, const_iv[] = {
754	{ "ASN_BOOLEAN", ASN_BOOLEAN },	1010	#define const_iv(name) { # name, name },
755	{ "ASN_INTEGER32", ASN_INTEGER32 },	1011	const_iv (ASN_BOOLEAN)
756	{ "ASN_BIT_STRING", ASN_BIT_STRING },	1012	const_iv (ASN_INTEGER)
757	{ "ASN_OCTET_STRING", ASN_OCTET_STRING },	1013	const_iv (ASN_BIT_STRING)
758	{ "ASN_NULL", ASN_NULL },	1014	const_iv (ASN_OCTET_STRING)
759	{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER },	1015	const_iv (ASN_NULL)
760	{ "ASN_TAG_BER", ASN_TAG_BER },	1016	const_iv (ASN_OBJECT_IDENTIFIER)
761	{ "ASN_TAG_MASK", ASN_TAG_MASK },	1017	const_iv (ASN_OBJECT_DESCRIPTOR)
762	{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED },	1018	const_iv (ASN_OID)
763	{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT },	1019	const_iv (ASN_EXTERNAL)
764	{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT },	1020	const_iv (ASN_REAL)
765	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	1021	const_iv (ASN_SEQUENCE)
766	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	1022	const_iv (ASN_ENUMERATED)
767	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	1023	const_iv (ASN_EMBEDDED_PDV)
768	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	1024	const_iv (ASN_UTF8_STRING)
769	{ "ASN_SEQUENCE", ASN_SEQUENCE },	1025	const_iv (ASN_RELATIVE_OID)
770	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },	1026	const_iv (ASN_SET)
771	{ "SNMP_COUNTER32", SNMP_COUNTER32 },	1027	const_iv (ASN_NUMERIC_STRING)
772	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },	1028	const_iv (ASN_PRINTABLE_STRING)
773	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },	1029	const_iv (ASN_TELETEX_STRING)
774	{ "SNMP_OPAQUE", SNMP_OPAQUE },	1030	const_iv (ASN_T61_STRING)
775	{ "SNMP_COUNTER64", SNMP_COUNTER64 },	1031	const_iv (ASN_VIDEOTEX_STRING)
		1032	const_iv (ASN_IA5_STRING)
		1033	const_iv (ASN_ASCII_STRING)
		1034	const_iv (ASN_UTC_TIME)
		1035	const_iv (ASN_GENERALIZED_TIME)
		1036	const_iv (ASN_GRAPHIC_STRING)
		1037	const_iv (ASN_VISIBLE_STRING)
		1038	const_iv (ASN_ISO646_STRING)
		1039	const_iv (ASN_GENERAL_STRING)
		1040	const_iv (ASN_UNIVERSAL_STRING)
		1041	const_iv (ASN_CHARACTER_STRING)
		1042	const_iv (ASN_BMP_STRING)
776		1043
777	{ "BER_CLASS" , BER_CLASS },	1044	const_iv (ASN_UNIVERSAL)
778	{ "BER_TAG" , BER_TAG },	1045	const_iv (ASN_APPLICATION)
779	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	1046	const_iv (ASN_CONTEXT)
780	{ "BER_DATA" , BER_DATA },	1047	const_iv (ASN_PRIVATE)
		1048
		1049	const_iv (BER_CLASS)
		1050	const_iv (BER_TAG)
		1051	const_iv (BER_FLAGS)
		1052	const_iv (BER_DATA)
		1053
		1054	const_iv (BER_TYPE_BYTES)
		1055	const_iv (BER_TYPE_UTF8)
		1056	const_iv (BER_TYPE_UCS2)
		1057	const_iv (BER_TYPE_UCS4)
		1058	const_iv (BER_TYPE_INT)
		1059	const_iv (BER_TYPE_OID)
		1060	const_iv (BER_TYPE_RELOID)
		1061	const_iv (BER_TYPE_NULL)
		1062	const_iv (BER_TYPE_BOOL)
		1063	const_iv (BER_TYPE_REAL)
		1064	const_iv (BER_TYPE_IPADDRESS)
		1065	const_iv (BER_TYPE_CROAK)
		1066
		1067	const_iv (SNMP_IPADDRESS)
		1068	const_iv (SNMP_COUNTER32)
		1069	const_iv (SNMP_UNSIGNED32)
		1070	const_iv (SNMP_TIMETICKS)
		1071	const_iv (SNMP_OPAQUE)
		1072	const_iv (SNMP_COUNTER64)
781	};	1073	};
782		1074
783	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1075	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));	1076	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
785	}	1077	}
786		1078
787	SV *	1079	SV *
788	ber_decode (SV *ber)	1080	ber_decode (SV ber, SV profile = &PL_sv_undef)
789	CODE:	1081	CODE:
790	{	1082	{
		1083	cur_profile = SvPROFILE (profile);
791	STRLEN len;	1084	STRLEN len;
792
793	buf = SvPVbyte (ber, len);	1085	buf = (U8 *)SvPVbyte (ber, len);
794	cur = buf;	1086	cur = buf;
795	end = buf + len;	1087	end = buf + len;
796		1088
797	RETVAL = decode_ber ();	1089	RETVAL = decode_ber ();
798	}	1090	}
799	OUTPUT: RETVAL	1091	OUTPUT: RETVAL
800		1092
801	void	1093	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)	1094	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
803	PROTOTYPE: $;$$$
804	PPCODE:	1095	PPCODE:
805	{	1096	{
806	if (!SvOK (tuple))	1097	if (!SvOK (tuple))
807	XSRETURN_NO;	1098	XSRETURN_NO;
808		1099
809	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1100	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)
810	croak ("ber_seq: tuple must be ber tuple (array-ref)");	1101	croak ("ber_is: tuple must be BER tuple (array-ref)");
811		1102
812	AV av = (AV )SvRV (tuple);	1103	AV av = (AV )SvRV (tuple);
813		1104
814	XPUSHs (	1105	XPUSHs (
815	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1106	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
816	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1107	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
817	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1108	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
818	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1109	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
819	? &PL_sv_yes : &PL_sv_no);	1110	? &PL_sv_yes : &PL_sv_undef);
820	}	1111	}
821		1112
822	void	1113	void
823	ber_is_seq (SV *tuple)	1114	ber_is_seq (SV *tuple)
824	PPCODE:	1115	PPCODE:
825	{	1116	{
826	if (!SvOK (tuple))	1117	if (!SvOK (tuple))
827	XSRETURN_UNDEF;	1118	XSRETURN_UNDEF;
828		1119
829	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1120	AV *av = ber_tuple (tuple);
830	croak ("ber_seq: tuple must be ber tuple (array-ref)");
831
832	AV av = (AV )SvRV (tuple);
833		1121
834	XPUSHs (	1122	XPUSHs (
835	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1123	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
836	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1124	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
837	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1125	&& SvIV (AvARRAY (av)[BER_FLAGS])
838	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1126	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
839	}	1127	}
840		1128
841	void	1129	void
842	ber_is_i32 (SV *tuple, IV value)	1130	ber_is_int (SV tuple, SV value = &PL_sv_undef)
843	PPCODE:	1131	PPCODE:
844	{	1132	{
845	if (!SvOK (tuple))	1133	if (!SvOK (tuple))
846	XSRETURN_NO;	1134	XSRETURN_NO;
847		1135
848	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1136	AV *av = ber_tuple (tuple);
849	croak ("ber_seq: tuple must be ber tuple (array-ref)");
850		1137
851	AV av = (AV )SvRV (tuple);	1138	UV data = SvUV (AvARRAY (av)[BER_DATA]);
852		1139
853	XPUSHs (	1140	XPUSHs (
854	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1141	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
855	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1142	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
856	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1143	&& !SvIV (AvARRAY (av)[BER_FLAGS])
857	&& SvIV (AvARRAY (av)[BER_DATA ]) == value	1144	&& (!SvOK (value) \|\| data == SvUV (value))
858	? &PL_sv_yes : &PL_sv_no);	1145	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
		1146	: &PL_sv_undef);
859	}	1147	}
860		1148
861	void	1149	void
862	ber_is_oid (SV tuple, SV oid)	1150	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
863	PPCODE:	1151	PPCODE:
864	{	1152	{
865	if (!SvOK (tuple))	1153	if (!SvOK (tuple))
866	XSRETURN_NO;	1154	XSRETURN_NO;
867		1155
868	if (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV)	1156	AV *av = ber_tuple (tuple);
869	croak ("ber_seq: tuple must be ber tuple (array-ref)");
870
871	AV av = (AV )SvRV (tuple);
872		1157
873	XPUSHs (	1158	XPUSHs (
874	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1159	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
875	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1160	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
876	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1161	&& !SvIV (AvARRAY (av)[BER_FLAGS])
877	&& sv_eq (AvARRAY (av)[BER_DATA], oid)	1162	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
878	? &PL_sv_yes : &PL_sv_no);	1163	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
879	}	1164	}
880		1165
881	#############################################################################	1166	#############################################################################
882		1167
883	void	1168	void
884	ber_encode (SV *tuple)	1169	ber_encode (SV tuple, SV profile = &PL_sv_undef)
885	PPCODE:	1170	PPCODE:
886	{	1171	{
		1172	cur_profile = SvPROFILE (profile);
887	buf_sv = sv_2mortal (NEWSV (0, 256));	1173	buf_sv = sv_2mortal (NEWSV (0, 256));
888	SvPOK_only (buf_sv);	1174	SvPOK_only (buf_sv);
889	set_buf (buf_sv);	1175	set_buf (buf_sv);
890		1176
891	encode_ber (tuple);	1177	encode_ber (tuple);
892		1178
893	SvCUR_set (buf_sv, cur - buf);	1179	SvCUR_set (buf_sv, cur - buf);
894	XPUSHs (buf_sv);	1180	XPUSHs (buf_sv);
895	}	1181	}
896		1182
		1183	SV *
		1184	ber_int (SV *sv)
		1185	CODE:
		1186	{
		1187	AV *av = newAV ();
		1188	av_fill (av, BER_ARRAYSIZE - 1);
		1189	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
		1190	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
		1191	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
		1192	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
		1193	RETVAL = newRV_noinc ((SV *)av);
		1194	}
		1195	OUTPUT: RETVAL
		1196
		1197	# TODO: not arrayref, but elements?
		1198	SV *
		1199	ber_seq (SV *arrayref)
		1200	CODE:
		1201	{
		1202	AV *av = newAV ();
		1203	av_fill (av, BER_ARRAYSIZE - 1);
		1204	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
		1205	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
		1206	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
		1207	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
		1208	RETVAL = newRV_noinc ((SV *)av);
		1209	}
		1210	OUTPUT: RETVAL
		1211
		1212	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
		1213
		1214	SV *
		1215	new (SV *klass)
		1216	CODE:
		1217	RETVAL = profile_new ();
		1218	OUTPUT: RETVAL
		1219
		1220	void
		1221	set (SV *profile, int klass, int tag, int type)
		1222	CODE:
		1223	profile_set (SvPROFILE (profile), klass, tag, type);
		1224
		1225	IV
		1226	get (SV *profile, int klass, int tag)
		1227	CODE:
		1228	RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
		1229	OUTPUT: RETVAL
		1230
		1231	void
		1232	_set_default (SV *profile)
		1233	CODE:
		1234	default_profile = SvPROFILE (profile);
		1235
		1236

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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 1.18 by root, Sat Apr 20 16:12:53 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 1.18 by root, Sat Apr 20 16:12:53 2019 UTC