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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.4 by root, Fri Apr 19 20:38:38 2019 UTC vs.
Revision 1.20 by root, Sat Apr 20 17:04:35 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;
		257	U8 c = get_u8 ();
		258
		259	if (expect_false (c == 0x80))
		260	error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)");
151		261
152	for (;;)	262	for (;;)
153	{	263	{
154	U8 c = get_u8 ();
155	res = (res << 7) \| (c & 0x7f);	264	res = (res << 7) \| (c & 0x7f);
156		265
157	if (!(c & 0x80))	266	if (!(c & 0x80))
158	return res;	267	return res;
159	}
160	}
161		268
		269	c = get_u8 ();
		270	}
		271	}
		272
162	static U32	273	static UV
163	get_length (void)	274	get_length (void)
164	{	275	{
165	U32 res = get_u8 ();	276	UV res = get_u8 ();
166		277
167	if (res & 0x80)	278	if (res & 0x80)
168	{	279	{
169	int cnt = res & 0x7f;	280	int cnt = res & 0x7f;
170	res = 0;	281	res = 0;
171		282
172	switch (cnt)	283	switch (cnt)
173	{	284	{
174	case 0:	285	case 0:
175	error ("indefinite ASN.1 lengths not supported");	286	error ("indefinite ASN.1 lengths not supported");
176	return 0;	287
		288	case 0x7f:
		289	error ("ASN.1 reserved value in length (X.690 8.1.3.5)");
177		290
178	default:	291	default:
179	error ("ASN.1 length too long");	292	error ("ASN.1 length too long (only up to 2**64 octets supported)");
180	return 0;
181		293
		294	case 8: res = (res << 8) \| get_u8 ();
		295	case 7: res = (res << 8) \| get_u8 ();
		296	case 6: res = (res << 8) \| get_u8 ();
		297	case 5: res = (res << 8) \| get_u8 ();
182	case 4: res = (res << 8) \| get_u8 ();	298	case 4: res = (res << 8) \| get_u8 ();
183	case 3: res = (res << 8) \| get_u8 ();	299	case 3: res = (res << 8) \| get_u8 ();
184	case 2: res = (res << 8) \| get_u8 ();	300	case 2: res = (res << 8) \| get_u8 ();
185	case 1: res = (res << 8) \| get_u8 ();	301	case 1: res = (res << 8) \| get_u8 ();
186	}	302	}
187	}	303	}
188		304
189	return res;	305	return res;
190	}	306	}
191		307
192	static U32
193	get_integer32 (void)
194	{
195	U32 length = get_length ();
196
197	if (length <= 0)
198	{
199	error ("INTEGER32 length equal to zero");
200	return 0;
201	}
202
203	U8 *data = get_n (length);
204
205	if (length > 5 \|\| (length > 4 && data [0]))
206	{
207	error ("INTEGER32 length too long");
208	return 0;
209	}
210
211	U32 res = data [0] & 0x80 ? 0xffffffff : 0;
212
213	while (length--)
214	res = (res << 8) \| *data++;
215
216	return res;
217	}
218
219	static SV *	308	static SV *
220	decode_integer32 (void)	309	decode_int (void)
221	{	310	{
222	return newSViv ((I32)get_integer32 ());	311	UV len = get_length ();
		312
		313	if (!len)
		314	error ("invalid integer length equal to zero (X.690 8.3.1)");
		315
		316	U8 *data = get_n (len);
		317
		318	if (expect_false (len > 1))
		319	{
		320	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		321
		322	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		323	error ("illegal padding in integer (X.690 8.3.2)");
		324	}
		325
		326	int negative = data [0] & 0x80;
		327
		328	UV val = negative ? -1 : 0; // copy signbit to all bits
		329
		330	do
		331	val = (val << 8) \| *data++;
		332	while (--len);
		333
		334	// the cast to IV relies on implementation-defined behaviour (two's complement cast)
		335	// but that's ok, as perl relies on it as well.
		336	return negative ? newSViv ((IV)val) : newSVuv (val);
223	}	337	}
224		338
225	static SV *	339	static SV *
226	decode_unsigned32 (void)	340	decode_data (void)
227	{	341	{
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 ();	342	UV len = get_length ();
237		343	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	}	344	}
259		345
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	346	// helper for decode_object_identifier
283	static char *	347	static char *
284	write_uv (char *buf, U32 u)	348	write_uv (char *buf, UV u)
285	{	349	{
286	// the one-digit case is absolutely predominant, so this pays off (hopefully)	350	// the one-digit case is absolutely predominant, so this pays off (hopefully)
287	if (u < 10)	351	if (expect_true (u < 10))
288	*buf++ = u + '0';	352	*buf++ = u + '0';
289	else	353	else
290	{	354	{
		355	// this could be done much faster using branchless fixed-point arithmetics
291	char *beg = buf;	356	char *beg = buf;
292		357
293	do	358	do
294	{	359	{
295	*buf++ = u % 10 + '0';	360	*buf++ = u % 10 + '0';
296	u /= 10;	361	u /= 10;
297	}	362	}
298	while (u);	363	while (u);
299		364
300	// reverse digits	365	// reverse digits
301	for (char *ptr = buf; --ptr != beg; ++beg)	366	char *ptr = buf;
		367	while (--ptr > beg)
302	{	368	{
303	char c = *ptr;	369	char c = *ptr;
304	ptr = beg;	370	ptr = beg;
305	*beg = c;	371	*beg = c;
		372	++beg;
306	}	373	}
307	}	374	}
308		375
309	return buf;	376	return buf;
310	}	377	}
311		378
312	static SV *	379	static SV *
313	decode_object_identifier (void)	380	decode_oid (int relative)
314	{	381	{
315	U32 length = get_length ();	382	UV len = get_length ();
316		383
317	if (length <= 0)	384	if (len <= 0)
318	{	385	{
319	error ("OBJECT IDENTIFIER length equal to zero");	386	error ("OBJECT IDENTIFIER length equal to zero");
320	return &PL_sv_undef;	387	return &PL_sv_undef;
321	}	388	}
322		389
323	U8 *end = cur + length;	390	U8 *end = cur + len;
324	U32 w = get_w ();	391	UV w = get_w ();
325		392
326	static char oid[MAX_OID_STRLEN]; // must be static	393	static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack
327	char *app = oid;	394	char *app = oid;
328		395
		396	if (relative)
		397	app = write_uv (app, w);
		398	else if (w < 2 * 40)
		399	{
329	app = write_uv (app, (U8)w / 40);	400	app = write_uv (app, (U8)w / 40);
330	*app++ = '.';	401	*app++ = '.';
331	app = write_uv (app, (U8)w % 40);	402	app = write_uv (app, (U8)w % 40);
		403	}
		404	else
		405	{
		406	app = write_uv (app, 2);
		407	*app++ = '.';
		408	app = write_uv (app, w - 2 * 40);
		409	}
332		410
		411	while (cur < end)
		412	{
333	// we assume an oid component is never > 64 bytes	413	// we assume an oid component is never > 64 digits
334	while (cur < end && oid + sizeof (oid) - app > 64)	414	if (oid + sizeof (oid) - app < 64)
335	{	415	croak ("BER_TYPE_OID to long to decode");
		416
336	w = get_w ();	417	w = get_w ();
337	*app++ = '.';	418	*app++ = '.';
338	app = write_uv (app, w);	419	app = write_uv (app, w);
339	}	420	}
340		421
341	return newSVpvn (oid, app - oid);	422	return newSVpvn (oid, app - oid);
342	}	423	}
343		424
		425	// TODO: this is unacceptably slow
344	static SV *	426	static SV *
		427	decode_ucs (int chrsize)
		428	{
		429	SV *res = NEWSV (0, 0);
		430
		431	UV len = get_length ();
		432
		433	if (len & (chrsize - 1))
		434	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		435
		436	while (len)
		437	{
		438	U8 b1 = get_u8 ();
		439	U8 b2 = get_u8 ();
		440	U32 chr = (b1 << 8) \| b2;
		441
		442	if (chrsize == 4)
		443	{
		444	U8 b3 = get_u8 ();
		445	U8 b4 = get_u8 ();
		446	chr = (chr << 16) \| (b3 << 8) \| b4;
		447	}
		448
		449	U8 uchr [UTF8_MAXBYTES];
		450	int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
		451
		452	sv_catpvn (res, (const char *)uchr, uclen);
		453	len -= chrsize;
		454	}
		455
		456	SvUTF8_on (res);
		457
		458	return res;
		459	}
		460
		461	static SV *
345	decode_ber ()	462	decode_ber (void)
346	{	463	{
347	int identifier = get_u8 ();	464	int identifier = get_u8 ();
348		465
349	SV *res;	466	SV *res;
350		467
351	int constructed = identifier & ASN_CONSTRUCTED;	468	int constructed = identifier & ASN_CONSTRUCTED;
352	int klass = identifier & ASN_CLASS_MASK;	469	int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT;
353	int tag = identifier & ASN_TAG_MASK;	470	int tag = identifier & ASN_TAG_MASK;
354		471
355	if (tag == ASN_TAG_BER)	472	if (tag == ASN_TAG_BER)
356	tag = get_w ();	473	tag = get_w ();
357		474
358	if (tag == ASN_TAG_BER)
359	tag = get_w ();
360
361	if (constructed)	475	if (constructed)
362	{	476	{
363	U32 len = get_length ();	477	UV len = get_length ();
364	U32 seqend = (cur - buf) + len;	478	UV seqend = (cur - buf) + len;
365	AV av = (AV )sv_2mortal ((SV *)newAV ());	479	AV av = (AV )sv_2mortal ((SV *)newAV ());
366		480
367	while (cur < buf + seqend)	481	while (cur < buf + seqend)
368	av_push (av, decode_ber ());	482	av_push (av, decode_ber ());
369		483
370	if (cur > buf + seqend)	484	if (cur > buf + seqend)
371	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	485	croak ("constructed type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
372		486
373	res = newRV_inc ((SV *)av);	487	res = newRV_inc ((SV *)av);
374	}	488	}
375	else	489	else
376	switch (identifier)	490	switch (profile_lookup (cur_profile, klass, tag))
377	{	491	{
378	case ASN_NULL:	492	case BER_TYPE_NULL:
		493	{
		494	UV len = get_length ();
		495
		496	if (len)
		497	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		498
379	res = &PL_sv_undef;	499	res = &PL_sv_undef;
		500	}
380	break;	501	break;
381		502
382	case ASN_OBJECT_IDENTIFIER:	503	case BER_TYPE_BOOL:
		504	{
		505	UV len = get_length ();
		506
		507	if (len != 1)
		508	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
		509
		510	res = newSVcacheint (!!get_u8 ());
		511	}
		512	break;
		513
		514	case BER_TYPE_OID:
383	res = decode_object_identifier ();	515	res = decode_oid (0);
384	break;	516	break;
385		517
386	case ASN_INTEGER32:	518	case BER_TYPE_RELOID:
		519	res = decode_oid (1);
		520	break;
		521
		522	case BER_TYPE_INT:
387	res = decode_integer32 ();	523	res = decode_int ();
388	break;	524	break;
389		525
390	case ASN_APPLICATION \| SNMP_UNSIGNED32:	526	case BER_TYPE_UTF8:
391	case ASN_APPLICATION \| SNMP_COUNTER32:	527	res = decode_data ();
392	case ASN_APPLICATION \| SNMP_TIMETICKS:	528	SvUTF8_on (res);
		529	break;
		530
		531	case BER_TYPE_BYTES:
		532	res = decode_data ();
		533	break;
		534
		535	case BER_TYPE_IPADDRESS:
		536	{
		537	UV len = get_length ();
		538
		539	if (len != 4)
		540	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
		541
		542	U8 c1 = get_u8 ();
		543	U8 c2 = get_u8 ();
		544	U8 c3 = get_u8 ();
		545	U8 c4 = get_u8 ();
		546
		547	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
		548	}
		549	break;
		550
		551	case BER_TYPE_UCS2:
		552	res = decode_ucs (2);
		553	break;
		554
		555	case BER_TYPE_UCS4:
393	res = decode_unsigned32 ();	556	res = decode_ucs (4);
394	break;	557	break;
395		558
396	#if 0 // handled by default case	559	case BER_TYPE_REAL:
397	case ASN_OCTET_STRING:	560	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:	561	default:
409	res = decode_octet_string ();	562	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
410	break;
411	}	563	}
412		564
413	AV *av = newAV ();	565	AV *av = newAV ();
414	av_fill (av, BER_ARRAYSIZE - 1);	566	av_fill (av, BER_ARRAYSIZE - 1);
415	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT);	567	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
416	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	568	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	569	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
418	AvARRAY (av)[BER_DATA ] = res;	570	AvARRAY (av)[BER_DATA ] = res;
419		571
420	return newRV_noinc ((SV *)av);	572	return newRV_noinc ((SV *)av);
421	}	573	}
422		574
423	/////////////////////////////////////////////////////////////////////////////	575	/////////////////////////////////////////////////////////////////////////////
…		…
428	strlen_sum (STRLEN l1, STRLEN l2)	580	strlen_sum (STRLEN l1, STRLEN l2)
429	{	581	{
430	size_t sum = l1 + l2;	582	size_t sum = l1 + l2;
431		583
432	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	584	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
433	croak ("JSON::XS: string size overflow");	585	croak ("Convert::BER::XS: string size overflow");
434		586
435	return sum;	587	return sum;
436	}	588	}
437		589
438	static void	590	static void
439	set_buf (SV *sv)	591	set_buf (SV *sv)
440	{	592	{
441	STRLEN len;	593	STRLEN len;
442	buf_sv = sv;	594	buf_sv = sv;
443	buf = SvPVbyte (buf_sv, len);	595	buf = (U8 *)SvPVbyte (buf_sv, len);
444	cur = buf;	596	cur = buf;
445	end = buf + len;	597	end = buf + len;
446	}	598	}
447		599
448	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	600	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
462	need (STRLEN len)	614	need (STRLEN len)
463	{	615	{
464	if (expect_false ((uintptr_t)(end - cur) < len))	616	if (expect_false ((uintptr_t)(end - cur) < len))
465	{	617	{
466	STRLEN pos = cur - buf;	618	STRLEN pos = cur - buf;
467	buf = my_sv_grow (buf_sv, pos, len);	619	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
468	cur = buf + pos;	620	cur = buf + pos;
469	end = buf + SvLEN (buf_sv) - 1;	621	end = buf + SvLEN (buf_sv) - 1;
470	}	622	}
471	}	623	}
472		624
…		…
476	need (1);	628	need (1);
477	*cur++ = val;	629	*cur++ = val;
478	}	630	}
479		631
480	static void	632	static void
481	put_w_nocheck (U32 val)	633	put_w_nocheck (UV val)
482	{	634	{
		635	#if UVSIZE > 4
		636	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		637	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		638	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		639	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		640	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		641	#endif
483	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	642	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
484	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	643	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
485	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	644	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
486	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	645	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
487	*cur = val & 0x7f; cur += 1;	646	*cur = val & 0x7f; cur += 1;
488	}	647	}
489		648
490	static void	649	static void
491	put_w (U32 val)	650	put_w (UV val)
492	{	651	{
493	need (5); // we only handle up to 5 bytes	652	need (5); // we only handle up to 5 bytes
494		653
495	put_w_nocheck (val);	654	put_w_nocheck (val);
496	}	655	}
497		656
498	static U8 *	657	static U8 *
499	put_length_at (U32 val, U8 *cur)	658	put_length_at (UV val, U8 *cur)
500	{	659	{
501	if (val < 0x7fU)	660	if (val < 0x7fU)
502	*cur++ = val;	661	*cur++ = val;
503	else	662	else
504	{	663	{
505	U8 *lenb = cur++;	664	U8 *lenb = cur++;
506		665
		666	#if UVSIZE > 4
		667	cur = val >> 56; cur += cur > 0;
		668	cur = val >> 48; cur += cur > 0;
		669	cur = val >> 40; cur += cur > 0;
		670	cur = val >> 32; cur += cur > 0;
		671	#endif
507	cur = val >> 24; cur += cur > 0;	672	cur = val >> 24; cur += cur > 0;
508	cur = val >> 16; cur += cur > 0;	673	cur = val >> 16; cur += cur > 0;
509	cur = val >> 8; cur += cur > 0;	674	cur = val >> 8; cur += cur > 0;
510	*cur = val ; cur += 1;	675	*cur = val ; cur += 1;
511		676
…		…
514		679
515	return cur;	680	return cur;
516	}	681	}
517		682
518	static void	683	static void
519	put_length (U32 val)	684	put_length (UV val)
520	{	685	{
521	need (5);	686	need (5 + val);
522	cur = put_length_at (val, cur);	687	cur = put_length_at (val, cur);
523	}	688	}
524		689
525	// return how many bytes the encoded length requires	690	// return how many bytes the encoded length requires
526	static int length_length (U32 val)	691	static int length_length (UV val)
527	{	692	{
528	return val < 0x7fU	693	return val < 0x7fU
529	? 1	694	? 1
530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	695	: 2
		696	+ (val > 0xffU)
		697	+ (val > 0xffffU)
		698	+ (val > 0xffffffU)
		699	#if UVSIZE > 4
		700	+ (val > 0xffffffffU)
		701	+ (val > 0xffffffffffU)
		702	+ (val > 0xffffffffffffU)
		703	+ (val > 0xffffffffffffffU)
		704	#endif
		705	;
531	}	706	}
532		707
533	static void	708	static void
534	encode_octet_string (SV *sv)	709	encode_data (const char *ptr, STRLEN len)
535	{	710	{
536	STRLEN len;
537	char *ptr = SvPVbyte (sv, len);
538
539	put_length (len);	711	put_length (len);
540	need (len);
541	memcpy (cur, ptr, len);	712	memcpy (cur, ptr, len);
542	cur += len;	713	cur += len;
543	}	714	}
544		715
545	static void	716	static void
546	encode_integer32 (IV iv)	717	encode_uv (UV uv)
547	{	718	{
548	need (5);	719	}
		720
		721	static void
		722	encode_int (SV *sv)
		723	{
		724	need (8 + 1 + 1); // 64 bit + length + extra 0
		725
		726	if (expect_false (!SvIOK (sv)))
		727	sv_2iv_flags (sv, 0);
549		728
550	U8 *lenb = cur++;	729	U8 *lenb = cur++;
551		730
552	if (iv < 0)	731	if (SvIOK_notUV (sv))
553	{	732	{
		733	IV iv = SvIVX (sv);
		734
		735	if (expect_false (iv < 0))
		736	{
554	// get two's complement bit pattern - works even on hypthetical non-2c machines	737	// get two's complement bit pattern - works even on hypothetical non-2c machines
555	U32 uv = iv;	738	UV uv = iv;
556		739
		740	#if UVSIZE > 4
		741	*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U);
		742	*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U);
		743	*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U);
		744	*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U);
		745	#endif
557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);	746	*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U);
558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);	747	*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U);
559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);	748	*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U);
560	*cur = uv ; cur += 1;	749	*cur = uv ; cur += 1;
561	}	750
562	else	751	*lenb = cur - lenb - 1;
		752
		753	return;
		754	}
563	{	755	}
564	cur = iv >> 24; cur += cur > 0;	756
565	cur = iv >> 16; cur += cur > 0;	757	UV uv = SvUV (sv);
566	cur = iv >> 8; cur += cur > 0;	758
		759	// prepend an extra 0 if the high bit is 1
		760	cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE 8 - 1)));
		761
		762	#if UVSIZE > 4
		763	*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U);
		764	*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U);
		765	*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U);
		766	*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U);
		767	#endif
		768	*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U);
		769	*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U);
		770	*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U);
567	*cur = iv ; cur += 1;	771	*cur = uv ; cur += 1;
568	}
569		772
570	*lenb = cur - lenb - 1;	773	*lenb = cur - lenb - 1;
571	}	774	}
572		775
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	776	// we don't know the length yet, so we optimistically
593	// assume the length will need one octet later. if that	777	// assume the length will need one octet later. If that
594	// turns out to be wrong, we memove as needed.	778	// turns out to be wrong, we memmove as needed.
595	// mark the beginning	779	// mark the beginning
596	static STRLEN	780	static STRLEN
597	len_fixup_mark ()	781	len_fixup_mark (void)
598	{	782	{
599	return cur++ - buf;	783	return cur++ - buf;
600	}	784	}
601		785
602	// patch up the length	786	// patch up the length
…		…
631		815
632	return str;	816	return str;
633	}	817	}
634		818
635	static void	819	static void
636	encode_object_identifier (SV *oid)	820	encode_oid (SV *oid, int relative)
637	{	821	{
638	STRLEN slen;	822	STRLEN len;
639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter	823	char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter
640		824
641	// we need at most as many octets as the string form	825	// we need at most as many octets as the string form
642	need (slen + 1);	826	need (len + 1);
643	STRLEN mark = len_fixup_mark ();	827	STRLEN mark = len_fixup_mark ();
644		828
645	UV w1, w2;	829	UV w1, w2;
646		830
		831	if (!relative)
		832	{
647	ptr = read_uv (ptr, &w1);	833	ptr = read_uv (ptr, &w1);
648	ptr = read_uv (ptr, &w2);	834	ptr = read_uv (ptr, &w2);
649		835
650	put_w_nocheck (w1 * 40 + w2);	836	put_w_nocheck (w1 * 40 + w2);
		837	}
651		838
652	while (*ptr)	839	while (*ptr)
653	{	840	{
654	ptr = read_uv (ptr, &w1);	841	ptr = read_uv (ptr, &w1);
655	put_w_nocheck (w1);	842	put_w_nocheck (w1);
656	}	843	}
657		844
658	len_fixup (mark);	845	len_fixup (mark);
659	}	846	}
660		847
661	// checkl whether an SV is a BER tuple and returns its AV *	848	// check whether an SV is a BER tuple and returns its AV *
662	static AV *	849	static AV *
663	ber_tuple (SV *tuple)	850	ber_tuple (SV *tuple)
664	{	851	{
665	SV *rv;	852	SV *rv;
666		853
…		…
675		862
676	return (AV *)rv;	863	return (AV *)rv;
677	}	864	}
678		865
679	static void	866	static void
		867	encode_ucs (SV *data, int chrsize)
		868	{
		869	STRLEN uchars = sv_len_utf8 (data);
		870	STRLEN len;;
		871	char *ptr = SvPVutf8 (data, len);
		872
		873	put_length (uchars * chrsize);
		874
		875	while (uchars--)
		876	{
		877	STRLEN uclen;
		878	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
		879
		880	ptr += uclen;
		881	len -= uclen;
		882
		883	if (chrsize == 4)
		884	{
		885	*cur++ = uchr >> 24;
		886	*cur++ = uchr >> 16;
		887	}
		888
		889	*cur++ = uchr >> 8;
		890	*cur++ = uchr;
		891	}
		892	}
		893	static void
680	encode_ber (SV *tuple)	894	encode_ber (SV *tuple)
681	{	895	{
682	AV *av = ber_tuple (tuple);	896	AV *av = ber_tuple (tuple);
683		897
684	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	898	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
685	int tag = SvIV (AvARRAY (av)[BER_TAG]);	899	int tag = SvIV (AvARRAY (av)[BER_TAG]);
686	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	900	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
687	SV *data = AvARRAY (av)[BER_DATA];	901	SV *data = AvARRAY (av)[BER_DATA];
688		902
689	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	903	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
690		904
691	if (expect_false (tag >= ASN_TAG_BER))	905	if (expect_false (tag >= ASN_TAG_BER))
…		…
710	int fill = AvFILL (av);	924	int fill = AvFILL (av);
711		925
712	if (expect_false (SvRMAGICAL (av)))	926	if (expect_false (SvRMAGICAL (av)))
713	croak ("BER constructed data must not be tied");	927	croak ("BER constructed data must not be tied");
714		928
		929	int i;
715	for (int i = 0; i <= fill; ++i)	930	for (i = 0; i <= fill; ++i)
716	encode_ber (AvARRAY (av)[i]);	931	encode_ber (AvARRAY (av)[i]);
717		932
718	len_fixup (mark);	933	len_fixup (mark);
719	}	934	}
720	else	935	else
721	switch (identifier \| tag)	936	switch (profile_lookup (cur_profile, klass, tag))
722	{	937	{
723	case ASN_NULL:	938	case BER_TYPE_NULL:
724	put_length (0);	939	put_length (0);
725	break;	940	break;
726		941
727	case ASN_OBJECT_IDENTIFIER:	942	case BER_TYPE_BOOL:
		943	put_length (1);
		944	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
		945	break;
		946
		947	case BER_TYPE_OID:
728	encode_object_identifier (data);	948	encode_oid (data, 0);
729	break;	949	break;
730		950
731	case ASN_INTEGER32:	951	case BER_TYPE_RELOID:
		952	encode_oid (data, 1);
		953	break;
		954
		955	case BER_TYPE_INT:
732	encode_integer32 (SvIV (data));	956	encode_int (data);
733	break;	957	break;
734		958
735	case ASN_APPLICATION \| SNMP_UNSIGNED32:	959	case BER_TYPE_BYTES:
736	case ASN_APPLICATION \| SNMP_COUNTER32:	960	{
737	case ASN_APPLICATION \| SNMP_TIMETICKS:	961	STRLEN len;
738	case ASN_APPLICATION \| SNMP_COUNTER64:	962	const char *ptr = SvPVbyte (data, len);
739	encode_unsigned64 (SvUV (data));	963	encode_data (ptr, len);
		964	}
740	break;	965	break;
741		966
		967	case BER_TYPE_UTF8:
		968	{
		969	STRLEN len;
		970	const char *ptr = SvPVutf8 (data, len);
		971	encode_data (ptr, len);
		972	}
		973	break;
		974
		975	case BER_TYPE_IPADDRESS:
		976	{
		977	U8 ip[4];
		978	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
		979	encode_data ((const char *)ip, sizeof (ip));
		980	}
		981	break;
		982
		983	case BER_TYPE_UCS2:
		984	encode_ucs (data, 2);
		985	break;
		986
		987	case BER_TYPE_UCS4:
		988	encode_ucs (data, 4);
		989	break;
		990
		991	case BER_TYPE_REAL:
		992	case BER_TYPE_CROAK:
742	default:	993	default:
743	encode_octet_string (data);	994	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
744	break;
745	}	995	}
746		996
747	}	997	}
748		998
749	/////////////////////////////////////////////////////////////////////////////	999	/////////////////////////////////////////////////////////////////////////////
…		…
753	PROTOTYPES: ENABLE	1003	PROTOTYPES: ENABLE
754		1004
755	BOOT:	1005	BOOT:
756	{	1006	{
757	HV *stash = gv_stashpv ("Convert::BER::XS", 1);	1007	HV *stash = gv_stashpv ("Convert::BER::XS", 1);
		1008
		1009	profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1);
758		1010
759	static const struct {	1011	static const struct {
760	const char *name;	1012	const char *name;
761	IV iv;	1013	IV iv;
762	} *civ, const_iv[] = {	1014	} *civ, const_iv[] = {
763	{ "ASN_BOOLEAN", ASN_BOOLEAN },	1015	#define const_iv(name) { # name, name },
764	{ "ASN_INTEGER32", ASN_INTEGER32 },	1016	const_iv (ASN_BOOLEAN)
765	{ "ASN_BIT_STRING", ASN_BIT_STRING },	1017	const_iv (ASN_INTEGER)
766	{ "ASN_OCTET_STRING", ASN_OCTET_STRING },	1018	const_iv (ASN_BIT_STRING)
767	{ "ASN_NULL", ASN_NULL },	1019	const_iv (ASN_OCTET_STRING)
768	{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER },	1020	const_iv (ASN_NULL)
769	{ "ASN_TAG_BER", ASN_TAG_BER },	1021	const_iv (ASN_OBJECT_IDENTIFIER)
770	{ "ASN_TAG_MASK", ASN_TAG_MASK },	1022	const_iv (ASN_OBJECT_DESCRIPTOR)
771	{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED },	1023	const_iv (ASN_OID)
772	{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT },	1024	const_iv (ASN_EXTERNAL)
773	{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT },	1025	const_iv (ASN_REAL)
774	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	1026	const_iv (ASN_SEQUENCE)
775	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	1027	const_iv (ASN_ENUMERATED)
776	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	1028	const_iv (ASN_EMBEDDED_PDV)
777	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	1029	const_iv (ASN_UTF8_STRING)
778	{ "ASN_SEQUENCE", ASN_SEQUENCE },	1030	const_iv (ASN_RELATIVE_OID)
779	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },	1031	const_iv (ASN_SET)
780	{ "SNMP_COUNTER32", SNMP_COUNTER32 },	1032	const_iv (ASN_NUMERIC_STRING)
781	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },	1033	const_iv (ASN_PRINTABLE_STRING)
782	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },	1034	const_iv (ASN_TELETEX_STRING)
783	{ "SNMP_OPAQUE", SNMP_OPAQUE },	1035	const_iv (ASN_T61_STRING)
784	{ "SNMP_COUNTER64", SNMP_COUNTER64 },	1036	const_iv (ASN_VIDEOTEX_STRING)
		1037	const_iv (ASN_IA5_STRING)
		1038	const_iv (ASN_ASCII_STRING)
		1039	const_iv (ASN_UTC_TIME)
		1040	const_iv (ASN_GENERALIZED_TIME)
		1041	const_iv (ASN_GRAPHIC_STRING)
		1042	const_iv (ASN_VISIBLE_STRING)
		1043	const_iv (ASN_ISO646_STRING)
		1044	const_iv (ASN_GENERAL_STRING)
		1045	const_iv (ASN_UNIVERSAL_STRING)
		1046	const_iv (ASN_CHARACTER_STRING)
		1047	const_iv (ASN_BMP_STRING)
785		1048
786	{ "BER_CLASS" , BER_CLASS },	1049	const_iv (ASN_UNIVERSAL)
787	{ "BER_TAG" , BER_TAG },	1050	const_iv (ASN_APPLICATION)
788	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	1051	const_iv (ASN_CONTEXT)
789	{ "BER_DATA" , BER_DATA },	1052	const_iv (ASN_PRIVATE)
		1053
		1054	const_iv (BER_CLASS)
		1055	const_iv (BER_TAG)
		1056	const_iv (BER_FLAGS)
		1057	const_iv (BER_DATA)
		1058
		1059	const_iv (BER_TYPE_BYTES)
		1060	const_iv (BER_TYPE_UTF8)
		1061	const_iv (BER_TYPE_UCS2)
		1062	const_iv (BER_TYPE_UCS4)
		1063	const_iv (BER_TYPE_INT)
		1064	const_iv (BER_TYPE_OID)
		1065	const_iv (BER_TYPE_RELOID)
		1066	const_iv (BER_TYPE_NULL)
		1067	const_iv (BER_TYPE_BOOL)
		1068	const_iv (BER_TYPE_REAL)
		1069	const_iv (BER_TYPE_IPADDRESS)
		1070	const_iv (BER_TYPE_CROAK)
		1071
		1072	const_iv (SNMP_IPADDRESS)
		1073	const_iv (SNMP_COUNTER32)
		1074	const_iv (SNMP_UNSIGNED32)
		1075	const_iv (SNMP_TIMETICKS)
		1076	const_iv (SNMP_OPAQUE)
		1077	const_iv (SNMP_COUNTER64)
790	};	1078	};
791		1079
792	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1080	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
793	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1081	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
794	}	1082	}
795		1083
796	SV *	1084	SV *
797	ber_decode (SV *ber)	1085	ber_decode (SV ber, SV profile = &PL_sv_undef)
798	CODE:	1086	CODE:
799	{	1087	{
		1088	cur_profile = SvPROFILE (profile);
800	STRLEN len;	1089	STRLEN len;
801
802	buf = SvPVbyte (ber, len);	1090	buf = (U8 *)SvPVbyte (ber, len);
803	cur = buf;	1091	cur = buf;
804	end = buf + len;	1092	end = buf + len;
805		1093
806	RETVAL = decode_ber ();	1094	RETVAL = decode_ber ();
807	}	1095	}
808	OUTPUT: RETVAL	1096	OUTPUT: RETVAL
809		1097
810	void	1098	void
811	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1099	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
812	PPCODE:	1100	PPCODE:
813	{	1101	{
814	if (!SvOK (tuple))	1102	if (!SvOK (tuple))
815	XSRETURN_NO;	1103	XSRETURN_NO;
816		1104
…		…
818	croak ("ber_is: tuple must be BER tuple (array-ref)");	1106	croak ("ber_is: tuple must be BER tuple (array-ref)");
819		1107
820	AV av = (AV )SvRV (tuple);	1108	AV av = (AV )SvRV (tuple);
821		1109
822	XPUSHs (	1110	XPUSHs (
823	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1111	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
824	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1112	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
825	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1113	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
826	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1114	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
827	? &PL_sv_yes : &PL_sv_undef);	1115	? &PL_sv_yes : &PL_sv_undef);
828	}	1116	}
829		1117
830	void	1118	void
831	ber_is_seq (SV *tuple)	1119	ber_is_seq (SV *tuple)
…		…
835	XSRETURN_UNDEF;	1123	XSRETURN_UNDEF;
836		1124
837	AV *av = ber_tuple (tuple);	1125	AV *av = ber_tuple (tuple);
838		1126
839	XPUSHs (	1127	XPUSHs (
840	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1128	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
841	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1129	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
842	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1130	&& SvIV (AvARRAY (av)[BER_FLAGS])
843	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1131	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
844	}	1132	}
845		1133
846	void	1134	void
847	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1135	ber_is_int (SV tuple, SV value = &PL_sv_undef)
848	PPCODE:	1136	PPCODE:
849	{	1137	{
850	if (!SvOK (tuple))	1138	if (!SvOK (tuple))
851	XSRETURN_NO;	1139	XSRETURN_NO;
852		1140
853	AV *av = ber_tuple (tuple);	1141	AV *av = ber_tuple (tuple);
854		1142
855	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1143	UV data = SvUV (AvARRAY (av)[BER_DATA]);
856		1144
857	XPUSHs (	1145	XPUSHs (
858	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1146	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
859	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1147	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
860	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1148	&& !SvIV (AvARRAY (av)[BER_FLAGS])
861	&& (!SvOK (value) \|\| data == SvIV (value))	1149	&& (!SvOK (value) \|\| data == SvUV (value))
862	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1150	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
863	: &PL_sv_undef);	1151	: &PL_sv_undef);
864	}	1152	}
865		1153
866	void	1154	void
867	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1155	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
871	XSRETURN_NO;	1159	XSRETURN_NO;
872		1160
873	AV *av = ber_tuple (tuple);	1161	AV *av = ber_tuple (tuple);
874		1162
875	XPUSHs (	1163	XPUSHs (
876	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1164	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
877	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1165	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
878	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1166	&& !SvIV (AvARRAY (av)[BER_FLAGS])
879	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1167	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
880	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1168	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
881	}	1169	}
882		1170
883	#############################################################################	1171	#############################################################################
884		1172
885	void	1173	void
886	ber_encode (SV *tuple)	1174	ber_encode (SV tuple, SV profile = &PL_sv_undef)
887	PPCODE:	1175	PPCODE:
888	{	1176	{
		1177	cur_profile = SvPROFILE (profile);
889	buf_sv = sv_2mortal (NEWSV (0, 256));	1178	buf_sv = sv_2mortal (NEWSV (0, 256));
890	SvPOK_only (buf_sv);	1179	SvPOK_only (buf_sv);
891	set_buf (buf_sv);	1180	set_buf (buf_sv);
892		1181
893	encode_ber (tuple);	1182	encode_ber (tuple);
…		…
895	SvCUR_set (buf_sv, cur - buf);	1184	SvCUR_set (buf_sv, cur - buf);
896	XPUSHs (buf_sv);	1185	XPUSHs (buf_sv);
897	}	1186	}
898		1187
899	SV *	1188	SV *
900	ber_i32 (IV iv)	1189	ber_int (SV *sv)
901	CODE:	1190	CODE:
902	{	1191	{
903	AV *av = newAV ();	1192	AV *av = newAV ();
904	av_fill (av, BER_ARRAYSIZE - 1);	1193	av_fill (av, BER_ARRAYSIZE - 1);
905	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1194	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
906	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1195	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
907	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1196	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
908	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1197	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
909	RETVAL = newRV_noinc ((SV *)av);	1198	RETVAL = newRV_noinc ((SV *)av);
910	}	1199	}
911	OUTPUT: RETVAL	1200	OUTPUT: RETVAL
912		1201
913	# TODO: not arrayref, but elements?	1202	# TODO: not arrayref, but elements?
…		…
915	ber_seq (SV *arrayref)	1204	ber_seq (SV *arrayref)
916	CODE:	1205	CODE:
917	{	1206	{
918	AV *av = newAV ();	1207	AV *av = newAV ();
919	av_fill (av, BER_ARRAYSIZE - 1);	1208	av_fill (av, BER_ARRAYSIZE - 1);
920	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1209	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
921	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1210	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
922	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1211	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
923	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1212	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
924	RETVAL = newRV_noinc ((SV *)av);	1213	RETVAL = newRV_noinc ((SV *)av);
925	}	1214	}
926	OUTPUT: RETVAL	1215	OUTPUT: RETVAL
927		1216
		1217	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
		1218
		1219	SV *
		1220	new (SV *klass)
		1221	CODE:
		1222	RETVAL = profile_new ();
		1223	OUTPUT: RETVAL
		1224
		1225	void
		1226	set (SV *profile, int klass, int tag, int type)
		1227	CODE:
		1228	profile_set (SvPROFILE (profile), klass, tag, type);
		1229
		1230	IV
		1231	get (SV *profile, int klass, int tag)
		1232	CODE:
		1233	RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
		1234	OUTPUT: RETVAL
		1235
		1236	void
		1237	_set_default (SV *profile)
		1238	CODE:
		1239	default_profile = SvPROFILE (profile);
		1240
		1241

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.4 by root, Fri Apr 19 20:38:38 2019 UTC vs. Revision 1.20 by root, Sat Apr 20 17:04:35 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.4 by root, Fri Apr 19 20:38:38 2019 UTC vs.
Revision 1.20 by root, Sat Apr 20 17:04:35 2019 UTC