[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 1.23 by root, Sun Apr 21 01:51:12 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
58	SNMP_IPADDRESS = 0x00,	61	SNMP_IPADDRESS = 0x00,
59	SNMP_COUNTER32 = 0x01,	62	SNMP_COUNTER32 = 0x01,
		63	SNMP_GAUGE32 = 0x02,
60	SNMP_UNSIGNED32 = 0x02,	64	SNMP_UNSIGNED32 = 0x02,
61	SNMP_TIMETICKS = 0x03,	65	SNMP_TIMETICKS = 0x03,
62	SNMP_OPAQUE = 0x04,	66	SNMP_OPAQUE = 0x04,
63	SNMP_COUNTER64 = 0x06,	67	SNMP_COUNTER64 = 0x06,
64	};	68	};
65		69
66	enum {	70	enum {
		71	BER_TYPE_BYTES,
		72	BER_TYPE_UTF8,
		73	BER_TYPE_UCS2,
		74	BER_TYPE_UCS4,
		75	BER_TYPE_INT,
		76	BER_TYPE_OID,
		77	BER_TYPE_RELOID,
		78	BER_TYPE_NULL,
		79	BER_TYPE_BOOL,
		80	BER_TYPE_REAL,
		81	BER_TYPE_IPADDRESS,
		82	BER_TYPE_CROAK,
		83	};
		84
		85	enum {
67	BER_CLASS = 0,	86	BER_CLASS = 0,
68	BER_TAG = 1,	87	BER_TAG = 1,
69	BER_CONSTRUCTED = 2,	88	BER_FLAGS = 2,
70	BER_DATA = 3,	89	BER_DATA = 3,
71	BER_ARRAYSIZE	90	BER_ARRAYSIZE
72	};	91	};
73		92
74	#define MAX_OID_STRLEN 4096	93	#define MAX_OID_STRLEN 4096
75		94
		95	typedef void profile_type;
		96
		97	static profile_type cur_profile, default_profile;
76	static SV *buf_sv; // encoding buffer	98	static SV *buf_sv; // encoding buffer
77	static U8 buf, cur, *end; // buffer start, current, end	99	static U8 buf, cur, *end; // buffer start, current, end
		100
		101	#if PERL_VERSION < 18
		102	# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
		103	#endif
78		104
79	#if __GNUC__ >= 3	105	#if __GNUC__ >= 3
80	# define expect(expr,value) __builtin_expect ((expr), (value))	106	# define expect(expr,value) __builtin_expect ((expr), (value))
81	# define INLINE static inline	107	# define INLINE static inline
82	#else	108	#else
85	#endif	111	#endif
86		112
87	#define expect_false(expr) expect ((expr) != 0, 0)	113	#define expect_false(expr) expect ((expr) != 0, 0)
88	#define expect_true(expr) expect ((expr) != 0, 1)	114	#define expect_true(expr) expect ((expr) != 0, 1)
89		115
		116	/////////////////////////////////////////////////////////////////////////////
		117
		118	static SV *sviv_cache[32];
		119
90	// for "small" integers, return a readonly sv, otherwise create a new one	120	// for "small" integers, return a readonly sv, otherwise create a new one
91	static SV *newSVcacheint (int val)	121	static SV *newSVcacheint (int val)
92	{	122	{
93	static SV *cache[32];
94
95	if (expect_false (val < 0 \|\| val >= sizeof (cache)))	123	if (expect_false (val < 0 \|\| val >= sizeof (sviv_cache)))
96	return newSViv (val);	124	return newSViv (val);
97		125
98	if (expect_false (!cache [val]))	126	if (expect_false (!sviv_cache [val]))
99	{	127	{
100	cache [val] = newSVuv (val);	128	sviv_cache [val] = newSVuv (val);
101	SvREADONLY_on (cache [val]);	129	SvREADONLY_on (sviv_cache [val]);
102	}	130	}
103		131
104	return SvREFCNT_inc_NN (cache [val]);	132	return SvREFCNT_inc_NN (sviv_cache [val]);
		133	}
		134
		135	/////////////////////////////////////////////////////////////////////////////
		136
		137	static HV *profile_stash;
		138
		139	static profile_type *
		140	SvPROFILE (SV *profile)
		141	{
		142	if (!SvOK (profile))
		143	return default_profile;
		144
		145	if (!SvROK (profile))
		146	croak ("invalid profile");
		147
		148	profile = SvRV (profile);
		149
		150	if (SvSTASH (profile) != profile_stash)
		151	croak ("invalid profile object");
		152
		153	return (void *)profile;
		154	}
		155
		156	static int
		157	profile_lookup (profile_type *profile, int klass, int tag)
		158	{
		159	SV sv = (SV )profile;
		160	U32 idx = (tag << 2) + klass;
		161
		162	if (expect_false (idx >= SvCUR (sv)))
		163	return BER_TYPE_BYTES;
		164
		165	return SvPVX (sv)[idx];
		166	}
		167
		168	static void
		169	profile_set (profile_type *profile, int klass, int tag, int type)
		170	{
		171	SV sv = (SV )profile;
		172	U32 idx = (tag << 2) + klass;
		173	STRLEN oldlen = SvCUR (sv);
		174	STRLEN newlen = idx + 2;
		175
		176	if (idx >= oldlen)
		177	{
		178	sv_grow (sv, newlen);
		179	memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen);
		180	SvCUR_set (sv, newlen);
		181	}
		182
		183	SvPVX (sv)[idx] = type;
		184	}
		185
		186	static SV *
		187	profile_new (void)
		188	{
		189	SV *sv = newSVpvn ("", 0);
		190
		191	static const struct {
		192	int klass;
		193	int tag;
		194	int type;
		195	} *celem, default_map[] = {
		196	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
		197	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
		198	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
		199	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
		200	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
		201	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		202	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
		203	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
		204	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
		205	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
		206	};
		207
		208	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
		209	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
		210
		211	return sv_bless (newRV_noinc (sv), profile_stash);
105	}	212	}
106		213
107	/////////////////////////////////////////////////////////////////////////////	214	/////////////////////////////////////////////////////////////////////////////
108	// decoder	215	// decoder
109		216
…		…
142		249
143	return *cur++;	250	return *cur++;
144	}	251	}
145		252
146	// get ber-encoded integer (i.e. pack "w")	253	// get ber-encoded integer (i.e. pack "w")
147	static U32	254	static UV
148	get_w (void)	255	get_w (void)
149	{	256	{
150	U32 res = 0;	257	UV res = 0;
		258	U8 c = get_u8 ();
		259
		260	if (expect_false (c == 0x80))
		261	error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)");
151		262
152	for (;;)	263	for (;;)
153	{	264	{
154	U8 c = get_u8 ();	265	if (expect_false (res >> UVSIZE * 8 - 7))
		266	error ("BER variable integer overflow");
		267
155	res = (res << 7) \| (c & 0x7f);	268	res = (res << 7) \| (c & 0x7f);
156		269
157	if (!(c & 0x80))	270	if (!(c & 0x80))
158	return res;	271	return res;
159	}
160	}
161		272
		273	c = get_u8 ();
		274	}
		275	}
		276
162	static U32	277	static UV
163	get_length (void)	278	get_length (void)
164	{	279	{
165	U32 res = get_u8 ();	280	UV res = get_u8 ();
166		281
167	if (res & 0x80)	282	if (res & 0x80)
168	{	283	{
169	int cnt = res & 0x7f;	284	int cnt = res & 0x7f;
170	res = 0;	285	res = 0;
171		286
172	switch (cnt)	287	switch (cnt)
173	{	288	{
174	case 0:	289	case 0:
175	error ("indefinite ASN.1 lengths not supported");	290	error ("indefinite ASN.1 lengths not supported");
176	return 0;	291
		292	case 0x7f:
		293	error ("ASN.1 reserved value in length (X.690 8.1.3.5)");
177		294
178	default:	295	default:
179	error ("ASN.1 length too long");	296	error ("ASN.1 length too long (only up to 2**64 octets supported)");
180	return 0;
181		297
		298	case 8: res = (res << 8) \| get_u8 ();
		299	case 7: res = (res << 8) \| get_u8 ();
		300	case 6: res = (res << 8) \| get_u8 ();
		301	case 5: res = (res << 8) \| get_u8 ();
182	case 4: res = (res << 8) \| get_u8 ();	302	case 4: res = (res << 8) \| get_u8 ();
183	case 3: res = (res << 8) \| get_u8 ();	303	case 3: res = (res << 8) \| get_u8 ();
184	case 2: res = (res << 8) \| get_u8 ();	304	case 2: res = (res << 8) \| get_u8 ();
185	case 1: res = (res << 8) \| get_u8 ();	305	case 1: res = (res << 8) \| get_u8 ();
186	}	306	}
187	}	307	}
188		308
189	return res;	309	return res;
190	}	310	}
191		311
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 *	312	static SV *
220	decode_integer32 (void)	313	decode_int (void)
221	{	314	{
222	return newSViv ((I32)get_integer32 ());	315	UV len = get_length ();
		316
		317	if (!len)
		318	error ("invalid integer length equal to zero (X.690 8.3.1)");
		319
		320	U8 *data = get_n (len);
		321
		322	if (expect_false (len > 1))
		323	{
		324	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		325
		326	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		327	error ("illegal padding in integer (X.690 8.3.2)");
		328	}
		329
		330	int negative = data [0] & 0x80;
		331
		332	UV val = negative ? -1 : 0; // copy signbit to all bits
		333
		334	if (len > UVSIZE + (!negative && !*data))
		335	//printf ("len %d > %d + (!%d && !%d) = %d\n", len, UVSIZE, negative, data, UVSIZE + (!negative && !data));//D
		336	error ("INTEGER overflow");
		337
		338	do
		339	val = (val << 8) \| *data++;
		340	while (--len);
		341
		342	// the cast to IV relies on implementation-defined behaviour (two's complement cast)
		343	// but that's ok, as perl relies on it as well.
		344	return negative ? newSViv ((IV)val) : newSVuv (val);
223	}	345	}
224		346
225	static SV *	347	static SV *
226	decode_unsigned32 (void)	348	decode_data (void)
227	{	349	{
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 ();	350	UV len = get_length ();
237		351	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	}	352	}
259		353
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	354	// helper for decode_object_identifier
283	static char *	355	static char *
284	write_uv (char *buf, U32 u)	356	write_uv (char *buf, UV u)
285	{	357	{
286	// the one-digit case is absolutely predominant, so this pays off (hopefully)	358	// the one-digit case is absolutely predominant, so this pays off (hopefully)
287	if (u < 10)	359	if (expect_true (u < 10))
288	*buf++ = u + '0';	360	*buf++ = u + '0';
289	else	361	else
290	{	362	{
		363	// this could be done much faster using branchless fixed-point arithmetics
291	char *beg = buf;	364	char *beg = buf;
292		365
293	do	366	do
294	{	367	{
295	*buf++ = u % 10 + '0';	368	*buf++ = u % 10 + '0';
296	u /= 10;	369	u /= 10;
297	}	370	}
298	while (u);	371	while (u);
299		372
300	// reverse digits	373	// reverse digits
301	for (char *ptr = buf; --ptr != beg; ++beg)	374	char *ptr = buf;
		375	while (--ptr > beg)
302	{	376	{
303	char c = *ptr;	377	char c = *ptr;
304	ptr = beg;	378	ptr = beg;
305	*beg = c;	379	*beg = c;
		380	++beg;
306	}	381	}
307	}	382	}
308		383
309	return buf;	384	return buf;
310	}	385	}
311		386
312	static SV *	387	static SV *
313	decode_object_identifier (void)	388	decode_oid (int relative)
314	{	389	{
315	U32 length = get_length ();	390	UV len = get_length ();
316		391
317	if (length <= 0)	392	if (len <= 0)
318	{	393	{
319	error ("OBJECT IDENTIFIER length equal to zero");	394	error ("OBJECT IDENTIFIER length equal to zero");
320	return &PL_sv_undef;	395	return &PL_sv_undef;
321	}	396	}
322		397
323	U8 *end = cur + length;	398	U8 *end = cur + len;
324	U32 w = get_w ();	399	UV w = get_w ();
325		400
326	static char oid[MAX_OID_STRLEN]; // must be static	401	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
327	char *app = oid;	402	char *app = oid;
328		403
		404	if (relative)
		405	app = write_uv (app, w);
		406	else if (w < 2 * 40)
		407	{
329	app = write_uv (app, (U8)w / 40);	408	app = write_uv (app, (U8)w / 40);
330	*app++ = '.';	409	*app++ = '.';
331	app = write_uv (app, (U8)w % 40);	410	app = write_uv (app, (U8)w % 40);
		411	}
		412	else
		413	{
		414	app = write_uv (app, 2);
		415	*app++ = '.';
		416	app = write_uv (app, w - 2 * 40);
		417	}
332		418
		419	while (cur < end)
		420	{
333	// we assume an oid component is never > 64 bytes	421	// we assume an oid component is never > 64 digits
334	while (cur < end && oid + sizeof (oid) - app > 64)	422	if (oid + sizeof (oid) - app < 64)
335	{	423	croak ("BER_TYPE_OID to long to decode");
		424
336	w = get_w ();	425	w = get_w ();
337	*app++ = '.';	426	*app++ = '.';
338	app = write_uv (app, w);	427	app = write_uv (app, w);
339	}	428	}
340		429
341	return newSVpvn (oid, app - oid);	430	return newSVpvn (oid, app - oid);
342	}	431	}
343		432
		433	// TODO: this is unacceptably slow
344	static SV *	434	static SV *
		435	decode_ucs (int chrsize)
		436	{
		437	SV *res = NEWSV (0, 0);
		438
		439	UV len = get_length ();
		440
		441	if (len & (chrsize - 1))
		442	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		443
		444	while (len)
		445	{
		446	U8 b1 = get_u8 ();
		447	U8 b2 = get_u8 ();
		448	U32 chr = (b1 << 8) \| b2;
		449
		450	if (chrsize == 4)
		451	{
		452	U8 b3 = get_u8 ();
		453	U8 b4 = get_u8 ();
		454	chr = (chr << 16) \| (b3 << 8) \| b4;
		455	}
		456
		457	U8 uchr [UTF8_MAXBYTES];
		458	int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
		459
		460	sv_catpvn (res, (const char *)uchr, uclen);
		461	len -= chrsize;
		462	}
		463
		464	SvUTF8_on (res);
		465
		466	return res;
		467	}
		468
		469	static SV *
345	decode_ber ()	470	decode_ber (void)
346	{	471	{
347	int identifier = get_u8 ();	472	int identifier = get_u8 ();
348		473
349	SV *res;	474	SV *res;
350		475
351	int constructed = identifier & ASN_CONSTRUCTED;	476	int constructed = identifier & ASN_CONSTRUCTED;
352	int klass = identifier & ASN_CLASS_MASK;	477	int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT;
353	int tag = identifier & ASN_TAG_MASK;	478	int tag = identifier & ASN_TAG_MASK;
354		479
355	if (tag == ASN_TAG_BER)	480	if (tag == ASN_TAG_BER)
356	tag = get_w ();	481	tag = get_w ();
357		482
358	if (tag == ASN_TAG_BER)
359	tag = get_w ();
360
361	if (constructed)	483	if (constructed)
362	{	484	{
363	U32 len = get_length ();	485	UV len = get_length ();
364	U32 seqend = (cur - buf) + len;	486	UV seqend = (cur - buf) + len;
365	AV av = (AV )sv_2mortal ((SV *)newAV ());	487	AV av = (AV )sv_2mortal ((SV *)newAV ());
366		488
367	while (cur < buf + seqend)	489	while (cur < buf + seqend)
368	av_push (av, decode_ber ());	490	av_push (av, decode_ber ());
369		491
370	if (cur > buf + seqend)	492	if (cur > buf + seqend)
371	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	493	croak ("constructed type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
372		494
373	res = newRV_inc ((SV *)av);	495	res = newRV_inc ((SV *)av);
374	}	496	}
375	else	497	else
376	switch (identifier)	498	switch (profile_lookup (cur_profile, klass, tag))
377	{	499	{
378	case ASN_NULL:	500	case BER_TYPE_NULL:
		501	{
		502	UV len = get_length ();
		503
		504	if (len)
		505	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		506
379	res = &PL_sv_undef;	507	res = &PL_sv_undef;
		508	}
380	break;	509	break;
381		510
382	case ASN_OBJECT_IDENTIFIER:	511	case BER_TYPE_BOOL:
		512	{
		513	UV len = get_length ();
		514
		515	if (len != 1)
		516	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
		517
		518	res = newSVcacheint (!!get_u8 ());
		519	}
		520	break;
		521
		522	case BER_TYPE_OID:
383	res = decode_object_identifier ();	523	res = decode_oid (0);
384	break;	524	break;
385		525
386	case ASN_INTEGER32:	526	case BER_TYPE_RELOID:
		527	res = decode_oid (1);
		528	break;
		529
		530	case BER_TYPE_INT:
387	res = decode_integer32 ();	531	res = decode_int ();
388	break;	532	break;
389		533
390	case ASN_APPLICATION \| SNMP_UNSIGNED32:	534	case BER_TYPE_UTF8:
391	case ASN_APPLICATION \| SNMP_COUNTER32:	535	res = decode_data ();
392	case ASN_APPLICATION \| SNMP_TIMETICKS:	536	SvUTF8_on (res);
		537	break;
		538
		539	case BER_TYPE_BYTES:
		540	res = decode_data ();
		541	break;
		542
		543	case BER_TYPE_IPADDRESS:
		544	{
		545	UV len = get_length ();
		546
		547	if (len != 4)
		548	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
		549
		550	U8 c1 = get_u8 ();
		551	U8 c2 = get_u8 ();
		552	U8 c3 = get_u8 ();
		553	U8 c4 = get_u8 ();
		554
		555	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
		556	}
		557	break;
		558
		559	case BER_TYPE_UCS2:
		560	res = decode_ucs (2);
		561	break;
		562
		563	case BER_TYPE_UCS4:
393	res = decode_unsigned32 ();	564	res = decode_ucs (4);
394	break;	565	break;
395		566
396	#if 0 // handled by default case	567	case BER_TYPE_REAL:
397	case ASN_OCTET_STRING:	568	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:	569	default:
409	res = decode_octet_string ();	570	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
410	break;
411	}	571	}
412		572
413	AV *av = newAV ();	573	AV *av = newAV ();
414	av_fill (av, BER_ARRAYSIZE - 1);	574	av_fill (av, BER_ARRAYSIZE - 1);
415	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT);	575	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
416	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	576	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	577	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
418	AvARRAY (av)[BER_DATA ] = res;	578	AvARRAY (av)[BER_DATA ] = res;
419		579
420	return newRV_noinc ((SV *)av);	580	return newRV_noinc ((SV *)av);
421	}	581	}
422		582
423	/////////////////////////////////////////////////////////////////////////////	583	/////////////////////////////////////////////////////////////////////////////
…		…
428	strlen_sum (STRLEN l1, STRLEN l2)	588	strlen_sum (STRLEN l1, STRLEN l2)
429	{	589	{
430	size_t sum = l1 + l2;	590	size_t sum = l1 + l2;
431		591
432	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	592	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
433	croak ("JSON::XS: string size overflow");	593	croak ("Convert::BER::XS: string size overflow");
434		594
435	return sum;	595	return sum;
436	}	596	}
437		597
438	static void	598	static void
439	set_buf (SV *sv)	599	set_buf (SV *sv)
440	{	600	{
441	STRLEN len;	601	STRLEN len;
442	buf_sv = sv;	602	buf_sv = sv;
443	buf = SvPVbyte (buf_sv, len);	603	buf = (U8 *)SvPVbyte (buf_sv, len);
444	cur = buf;	604	cur = buf;
445	end = buf + len;	605	end = buf + len;
446	}	606	}
447		607
448	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	608	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
462	need (STRLEN len)	622	need (STRLEN len)
463	{	623	{
464	if (expect_false ((uintptr_t)(end - cur) < len))	624	if (expect_false ((uintptr_t)(end - cur) < len))
465	{	625	{
466	STRLEN pos = cur - buf;	626	STRLEN pos = cur - buf;
467	buf = my_sv_grow (buf_sv, pos, len);	627	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
468	cur = buf + pos;	628	cur = buf + pos;
469	end = buf + SvLEN (buf_sv) - 1;	629	end = buf + SvLEN (buf_sv) - 1;
470	}	630	}
471	}	631	}
472		632
…		…
476	need (1);	636	need (1);
477	*cur++ = val;	637	*cur++ = val;
478	}	638	}
479		639
480	static void	640	static void
481	put_w_nocheck (U32 val)	641	put_w_nocheck (UV val)
482	{	642	{
		643	#if UVSIZE > 4
		644	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		645	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		646	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		647	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		648	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		649	#endif
483	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	650	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
484	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	651	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
485	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	652	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
486	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	653	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
487	*cur = val & 0x7f; cur += 1;	654	*cur = val & 0x7f; cur += 1;
488	}	655	}
489		656
490	static void	657	static void
491	put_w (U32 val)	658	put_w (UV val)
492	{	659	{
493	need (5); // we only handle up to 5 bytes	660	need (5); // we only handle up to 5 bytes
494		661
495	put_w_nocheck (val);	662	put_w_nocheck (val);
496	}	663	}
497		664
498	static U8 *	665	static U8 *
499	put_length_at (U32 val, U8 *cur)	666	put_length_at (UV val, U8 *cur)
500	{	667	{
501	if (val < 0x7fU)	668	if (val < 0x7fU)
502	*cur++ = val;	669	*cur++ = val;
503	else	670	else
504	{	671	{
505	U8 *lenb = cur++;	672	U8 *lenb = cur++;
506		673
		674	#if UVSIZE > 4
		675	cur = val >> 56; cur += cur > 0;
		676	cur = val >> 48; cur += cur > 0;
		677	cur = val >> 40; cur += cur > 0;
		678	cur = val >> 32; cur += cur > 0;
		679	#endif
507	cur = val >> 24; cur += cur > 0;	680	cur = val >> 24; cur += cur > 0;
508	cur = val >> 16; cur += cur > 0;	681	cur = val >> 16; cur += cur > 0;
509	cur = val >> 8; cur += cur > 0;	682	cur = val >> 8; cur += cur > 0;
510	*cur = val ; cur += 1;	683	*cur = val ; cur += 1;
511		684
…		…
514		687
515	return cur;	688	return cur;
516	}	689	}
517		690
518	static void	691	static void
519	put_length (U32 val)	692	put_length (UV val)
520	{	693	{
521	need (5);	694	need (5 + val);
522	cur = put_length_at (val, cur);	695	cur = put_length_at (val, cur);
523	}	696	}
524		697
525	// return how many bytes the encoded length requires	698	// return how many bytes the encoded length requires
526	static int length_length (U32 val)	699	static int length_length (UV val)
527	{	700	{
528	return val < 0x7fU	701	return val < 0x7fU
529	? 1	702	? 1
530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	703	: 2
		704	+ (val > 0xffU)
		705	+ (val > 0xffffU)
		706	+ (val > 0xffffffU)
		707	#if UVSIZE > 4
		708	+ (val > 0xffffffffU)
		709	+ (val > 0xffffffffffU)
		710	+ (val > 0xffffffffffffU)
		711	+ (val > 0xffffffffffffffU)
		712	#endif
		713	;
531	}	714	}
532		715
533	static void	716	static void
534	encode_octet_string (SV *sv)	717	encode_data (const char *ptr, STRLEN len)
535	{	718	{
536	STRLEN len;
537	char *ptr = SvPVbyte (sv, len);
538
539	put_length (len);	719	put_length (len);
540	need (len);
541	memcpy (cur, ptr, len);	720	memcpy (cur, ptr, len);
542	cur += len;	721	cur += len;
543	}	722	}
544		723
545	static void	724	static void
546	encode_integer32 (IV iv)	725	encode_uv (UV uv)
547	{	726	{
548	need (5);	727	}
		728
		729	static void
		730	encode_int (SV *sv)
		731	{
		732	need (8 + 1 + 1); // 64 bit + length + extra 0
		733
		734	if (expect_false (!SvIOK (sv)))
		735	sv_2iv_flags (sv, 0);
549		736
550	U8 *lenb = cur++;	737	U8 *lenb = cur++;
551		738
552	if (iv < 0)	739	if (SvIOK_notUV (sv))
553	{	740	{
		741	IV iv = SvIVX (sv);
		742
		743	if (expect_false (iv < 0))
		744	{
554	// get two's complement bit pattern - works even on hypthetical non-2c machines	745	// get two's complement bit pattern - works even on hypothetical non-2c machines
555	U32 uv = iv;	746	UV uv = iv;
556		747
		748	#if UVSIZE > 4
		749	*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U);
		750	*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U);
		751	*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U);
		752	*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U);
		753	#endif
557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);	754	*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U);
558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);	755	*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U);
559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);	756	*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U);
560	*cur = uv ; cur += 1;	757	*cur = uv ; cur += 1;
561	}	758
562	else	759	*lenb = cur - lenb - 1;
		760
		761	return;
		762	}
563	{	763	}
564	cur = iv >> 24; cur += cur > 0;	764
565	cur = iv >> 16; cur += cur > 0;	765	UV uv = SvUV (sv);
566	cur = iv >> 8; cur += cur > 0;	766
		767	// prepend an extra 0 if the high bit is 1
		768	cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE 8 - 1)));
		769
		770	#if UVSIZE > 4
		771	*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U);
		772	*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U);
		773	*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U);
		774	*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U);
		775	#endif
		776	*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U);
		777	*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U);
		778	*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U);
567	*cur = iv ; cur += 1;	779	*cur = uv ; cur += 1;
568	}
569		780
570	*lenb = cur - lenb - 1;	781	*lenb = cur - lenb - 1;
571	}	782	}
572		783
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	784	// we don't know the length yet, so we optimistically
593	// assume the length will need one octet later. if that	785	// assume the length will need one octet later. If that
594	// turns out to be wrong, we memove as needed.	786	// turns out to be wrong, we memmove as needed.
595	// mark the beginning	787	// mark the beginning
596	static STRLEN	788	static STRLEN
597	len_fixup_mark ()	789	len_fixup_mark (void)
598	{	790	{
599	return cur++ - buf;	791	return cur++ - buf;
600	}	792	}
601		793
602	// patch up the length	794	// patch up the length
…		…
631		823
632	return str;	824	return str;
633	}	825	}
634		826
635	static void	827	static void
636	encode_object_identifier (SV *oid)	828	encode_oid (SV *oid, int relative)
637	{	829	{
638	STRLEN slen;	830	STRLEN len;
639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter	831	char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter
640		832
641	// we need at most as many octets as the string form	833	// we need at most as many octets as the string form
642	need (slen + 1);	834	need (len + 1);
643	STRLEN mark = len_fixup_mark ();	835	STRLEN mark = len_fixup_mark ();
644		836
645	UV w1, w2;	837	UV w1, w2;
646		838
		839	if (!relative)
		840	{
647	ptr = read_uv (ptr, &w1);	841	ptr = read_uv (ptr, &w1);
648	ptr = read_uv (ptr, &w2);	842	ptr = read_uv (ptr, &w2);
649		843
650	put_w_nocheck (w1 * 40 + w2);	844	put_w_nocheck (w1 * 40 + w2);
		845	}
651		846
652	while (*ptr)	847	while (*ptr)
653	{	848	{
654	ptr = read_uv (ptr, &w1);	849	ptr = read_uv (ptr, &w1);
655	put_w_nocheck (w1);	850	put_w_nocheck (w1);
656	}	851	}
657		852
658	len_fixup (mark);	853	len_fixup (mark);
659	}	854	}
660		855
661	// checkl whether an SV is a BER tuple and returns its AV *	856	// check whether an SV is a BER tuple and returns its AV *
662	static AV *	857	static AV *
663	ber_tuple (SV *tuple)	858	ber_tuple (SV *tuple)
664	{	859	{
665	SV *rv;	860	SV *rv;
666		861
…		…
675		870
676	return (AV *)rv;	871	return (AV *)rv;
677	}	872	}
678		873
679	static void	874	static void
		875	encode_ucs (SV *data, int chrsize)
		876	{
		877	STRLEN uchars = sv_len_utf8 (data);
		878	STRLEN len;;
		879	char *ptr = SvPVutf8 (data, len);
		880
		881	put_length (uchars * chrsize);
		882
		883	while (uchars--)
		884	{
		885	STRLEN uclen;
		886	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
		887
		888	ptr += uclen;
		889	len -= uclen;
		890
		891	if (chrsize == 4)
		892	{
		893	*cur++ = uchr >> 24;
		894	*cur++ = uchr >> 16;
		895	}
		896
		897	*cur++ = uchr >> 8;
		898	*cur++ = uchr;
		899	}
		900	}
		901	static void
680	encode_ber (SV *tuple)	902	encode_ber (SV *tuple)
681	{	903	{
682	AV *av = ber_tuple (tuple);	904	AV *av = ber_tuple (tuple);
683		905
684	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	906	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
685	int tag = SvIV (AvARRAY (av)[BER_TAG]);	907	int tag = SvIV (AvARRAY (av)[BER_TAG]);
686	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	908	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
687	SV *data = AvARRAY (av)[BER_DATA];	909	SV *data = AvARRAY (av)[BER_DATA];
688		910
689	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	911	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
690		912
691	if (expect_false (tag >= ASN_TAG_BER))	913	if (expect_false (tag >= ASN_TAG_BER))
…		…
710	int fill = AvFILL (av);	932	int fill = AvFILL (av);
711		933
712	if (expect_false (SvRMAGICAL (av)))	934	if (expect_false (SvRMAGICAL (av)))
713	croak ("BER constructed data must not be tied");	935	croak ("BER constructed data must not be tied");
714		936
		937	int i;
715	for (int i = 0; i <= fill; ++i)	938	for (i = 0; i <= fill; ++i)
716	encode_ber (AvARRAY (av)[i]);	939	encode_ber (AvARRAY (av)[i]);
717		940
718	len_fixup (mark);	941	len_fixup (mark);
719	}	942	}
720	else	943	else
721	switch (identifier \| tag)	944	switch (profile_lookup (cur_profile, klass, tag))
722	{	945	{
723	case ASN_NULL:	946	case BER_TYPE_NULL:
724	put_length (0);	947	put_length (0);
725	break;	948	break;
726		949
727	case ASN_OBJECT_IDENTIFIER:	950	case BER_TYPE_BOOL:
		951	put_length (1);
		952	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
		953	break;
		954
		955	case BER_TYPE_OID:
728	encode_object_identifier (data);	956	encode_oid (data, 0);
729	break;	957	break;
730		958
731	case ASN_INTEGER32:	959	case BER_TYPE_RELOID:
		960	encode_oid (data, 1);
		961	break;
		962
		963	case BER_TYPE_INT:
732	encode_integer32 (SvIV (data));	964	encode_int (data);
733	break;	965	break;
734		966
735	case ASN_APPLICATION \| SNMP_UNSIGNED32:	967	case BER_TYPE_BYTES:
736	case ASN_APPLICATION \| SNMP_COUNTER32:	968	{
737	case ASN_APPLICATION \| SNMP_TIMETICKS:	969	STRLEN len;
738	case ASN_APPLICATION \| SNMP_COUNTER64:	970	const char *ptr = SvPVbyte (data, len);
739	encode_unsigned64 (SvUV (data));	971	encode_data (ptr, len);
		972	}
740	break;	973	break;
741		974
		975	case BER_TYPE_UTF8:
		976	{
		977	STRLEN len;
		978	const char *ptr = SvPVutf8 (data, len);
		979	encode_data (ptr, len);
		980	}
		981	break;
		982
		983	case BER_TYPE_IPADDRESS:
		984	{
		985	U8 ip[4];
		986	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
		987	encode_data ((const char *)ip, sizeof (ip));
		988	}
		989	break;
		990
		991	case BER_TYPE_UCS2:
		992	encode_ucs (data, 2);
		993	break;
		994
		995	case BER_TYPE_UCS4:
		996	encode_ucs (data, 4);
		997	break;
		998
		999	case BER_TYPE_REAL:
		1000	case BER_TYPE_CROAK:
742	default:	1001	default:
743	encode_octet_string (data);	1002	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
744	break;
745	}	1003	}
746		1004
747	}	1005	}
748		1006
749	/////////////////////////////////////////////////////////////////////////////	1007	/////////////////////////////////////////////////////////////////////////////
…		…
753	PROTOTYPES: ENABLE	1011	PROTOTYPES: ENABLE
754		1012
755	BOOT:	1013	BOOT:
756	{	1014	{
757	HV *stash = gv_stashpv ("Convert::BER::XS", 1);	1015	HV *stash = gv_stashpv ("Convert::BER::XS", 1);
		1016
		1017	profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1);
758		1018
759	static const struct {	1019	static const struct {
760	const char *name;	1020	const char *name;
761	IV iv;	1021	IV iv;
762	} *civ, const_iv[] = {	1022	} *civ, const_iv[] = {
763	{ "ASN_BOOLEAN", ASN_BOOLEAN },	1023	#define const_iv(name) { # name, name },
764	{ "ASN_INTEGER32", ASN_INTEGER32 },	1024	const_iv (ASN_BOOLEAN)
765	{ "ASN_BIT_STRING", ASN_BIT_STRING },	1025	const_iv (ASN_INTEGER)
766	{ "ASN_OCTET_STRING", ASN_OCTET_STRING },	1026	const_iv (ASN_BIT_STRING)
767	{ "ASN_NULL", ASN_NULL },	1027	const_iv (ASN_OCTET_STRING)
768	{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER },	1028	const_iv (ASN_NULL)
769	{ "ASN_TAG_BER", ASN_TAG_BER },	1029	const_iv (ASN_OBJECT_IDENTIFIER)
770	{ "ASN_TAG_MASK", ASN_TAG_MASK },	1030	const_iv (ASN_OBJECT_DESCRIPTOR)
771	{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED },	1031	const_iv (ASN_OID)
772	{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT },	1032	const_iv (ASN_EXTERNAL)
773	{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT },	1033	const_iv (ASN_REAL)
774	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	1034	const_iv (ASN_SEQUENCE)
775	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	1035	const_iv (ASN_ENUMERATED)
776	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	1036	const_iv (ASN_EMBEDDED_PDV)
777	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	1037	const_iv (ASN_UTF8_STRING)
778	{ "ASN_SEQUENCE", ASN_SEQUENCE },	1038	const_iv (ASN_RELATIVE_OID)
779	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },	1039	const_iv (ASN_SET)
780	{ "SNMP_COUNTER32", SNMP_COUNTER32 },	1040	const_iv (ASN_NUMERIC_STRING)
781	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },	1041	const_iv (ASN_PRINTABLE_STRING)
782	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },	1042	const_iv (ASN_TELETEX_STRING)
783	{ "SNMP_OPAQUE", SNMP_OPAQUE },	1043	const_iv (ASN_T61_STRING)
784	{ "SNMP_COUNTER64", SNMP_COUNTER64 },	1044	const_iv (ASN_VIDEOTEX_STRING)
		1045	const_iv (ASN_IA5_STRING)
		1046	const_iv (ASN_ASCII_STRING)
		1047	const_iv (ASN_UTC_TIME)
		1048	const_iv (ASN_GENERALIZED_TIME)
		1049	const_iv (ASN_GRAPHIC_STRING)
		1050	const_iv (ASN_VISIBLE_STRING)
		1051	const_iv (ASN_ISO646_STRING)
		1052	const_iv (ASN_GENERAL_STRING)
		1053	const_iv (ASN_UNIVERSAL_STRING)
		1054	const_iv (ASN_CHARACTER_STRING)
		1055	const_iv (ASN_BMP_STRING)
785		1056
786	{ "BER_CLASS" , BER_CLASS },	1057	const_iv (ASN_UNIVERSAL)
787	{ "BER_TAG" , BER_TAG },	1058	const_iv (ASN_APPLICATION)
788	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	1059	const_iv (ASN_CONTEXT)
789	{ "BER_DATA" , BER_DATA },	1060	const_iv (ASN_PRIVATE)
		1061
		1062	const_iv (BER_CLASS)
		1063	const_iv (BER_TAG)
		1064	const_iv (BER_FLAGS)
		1065	const_iv (BER_DATA)
		1066
		1067	const_iv (BER_TYPE_BYTES)
		1068	const_iv (BER_TYPE_UTF8)
		1069	const_iv (BER_TYPE_UCS2)
		1070	const_iv (BER_TYPE_UCS4)
		1071	const_iv (BER_TYPE_INT)
		1072	const_iv (BER_TYPE_OID)
		1073	const_iv (BER_TYPE_RELOID)
		1074	const_iv (BER_TYPE_NULL)
		1075	const_iv (BER_TYPE_BOOL)
		1076	const_iv (BER_TYPE_REAL)
		1077	const_iv (BER_TYPE_IPADDRESS)
		1078	const_iv (BER_TYPE_CROAK)
		1079
		1080	const_iv (SNMP_IPADDRESS)
		1081	const_iv (SNMP_COUNTER32)
		1082	const_iv (SNMP_GAUGE32)
		1083	const_iv (SNMP_UNSIGNED32)
		1084	const_iv (SNMP_TIMETICKS)
		1085	const_iv (SNMP_OPAQUE)
		1086	const_iv (SNMP_COUNTER64)
790	};	1087	};
791		1088
792	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1089	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));	1090	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
794	}	1091	}
795		1092
796	SV *	1093	void
797	ber_decode (SV *ber)	1094	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1095	ALIAS:
		1096	ber_decode_prefix = 1
798	CODE:	1097	PPCODE:
799	{	1098	{
		1099	cur_profile = SvPROFILE (profile);
800	STRLEN len;	1100	STRLEN len;
801
802	buf = SvPVbyte (ber, len);	1101	buf = (U8 *)SvPVbyte (ber, len);
803	cur = buf;	1102	cur = buf;
804	end = buf + len;	1103	end = buf + len;
805		1104
806	RETVAL = decode_ber ();	1105	SV *tuple = decode_ber ();
		1106
		1107	EXTEND (SP, 2);
		1108	PUSHs (sv_2mortal (tuple));
		1109
		1110	if (ix)
		1111	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1112	else if (cur != end)
		1113	error ("trailing garbage after BER data");
807	}	1114	}
808	OUTPUT: RETVAL
809		1115
810	void	1116	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)	1117	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:	1118	PPCODE:
813	{	1119	{
814	if (!SvOK (tuple))	1120	if (!SvOK (tuple))
815	XSRETURN_NO;	1121	XSRETURN_NO;
816		1122
…		…
818	croak ("ber_is: tuple must be BER tuple (array-ref)");	1124	croak ("ber_is: tuple must be BER tuple (array-ref)");
819		1125
820	AV av = (AV )SvRV (tuple);	1126	AV av = (AV )SvRV (tuple);
821		1127
822	XPUSHs (	1128	XPUSHs (
823	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1129	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
824	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1130	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
825	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1131	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
826	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1132	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
827	? &PL_sv_yes : &PL_sv_undef);	1133	? &PL_sv_yes : &PL_sv_undef);
828	}	1134	}
829		1135
830	void	1136	void
831	ber_is_seq (SV *tuple)	1137	ber_is_seq (SV *tuple)
…		…
835	XSRETURN_UNDEF;	1141	XSRETURN_UNDEF;
836		1142
837	AV *av = ber_tuple (tuple);	1143	AV *av = ber_tuple (tuple);
838		1144
839	XPUSHs (	1145	XPUSHs (
840	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1146	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
841	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1147	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
842	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1148	&& SvIV (AvARRAY (av)[BER_FLAGS])
843	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1149	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
844	}	1150	}
845		1151
846	void	1152	void
847	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1153	ber_is_int (SV tuple, SV value = &PL_sv_undef)
848	PPCODE:	1154	PPCODE:
849	{	1155	{
850	if (!SvOK (tuple))	1156	if (!SvOK (tuple))
851	XSRETURN_NO;	1157	XSRETURN_NO;
852		1158
853	AV *av = ber_tuple (tuple);	1159	AV *av = ber_tuple (tuple);
854		1160
855	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1161	UV data = SvUV (AvARRAY (av)[BER_DATA]);
856		1162
857	XPUSHs (	1163	XPUSHs (
858	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1164	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
859	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1165	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
860	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1166	&& !SvIV (AvARRAY (av)[BER_FLAGS])
861	&& (!SvOK (value) \|\| data == SvIV (value))	1167	&& (!SvOK (value) \|\| data == SvUV (value))
862	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1168	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
863	: &PL_sv_undef);	1169	: &PL_sv_undef);
864	}	1170	}
865		1171
866	void	1172	void
867	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1173	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
871	XSRETURN_NO;	1177	XSRETURN_NO;
872		1178
873	AV *av = ber_tuple (tuple);	1179	AV *av = ber_tuple (tuple);
874		1180
875	XPUSHs (	1181	XPUSHs (
876	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1182	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
877	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1183	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
878	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1184	&& !SvIV (AvARRAY (av)[BER_FLAGS])
879	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1185	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
880	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1186	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
881	}	1187	}
882		1188
883	#############################################################################	1189	#############################################################################
884		1190
885	void	1191	void
886	ber_encode (SV *tuple)	1192	ber_encode (SV tuple, SV profile = &PL_sv_undef)
887	PPCODE:	1193	PPCODE:
888	{	1194	{
		1195	cur_profile = SvPROFILE (profile);
889	buf_sv = sv_2mortal (NEWSV (0, 256));	1196	buf_sv = sv_2mortal (NEWSV (0, 256));
890	SvPOK_only (buf_sv);	1197	SvPOK_only (buf_sv);
891	set_buf (buf_sv);	1198	set_buf (buf_sv);
892		1199
893	encode_ber (tuple);	1200	encode_ber (tuple);
…		…
895	SvCUR_set (buf_sv, cur - buf);	1202	SvCUR_set (buf_sv, cur - buf);
896	XPUSHs (buf_sv);	1203	XPUSHs (buf_sv);
897	}	1204	}
898		1205
899	SV *	1206	SV *
900	ber_i32 (IV iv)	1207	ber_int (SV *sv)
901	CODE:	1208	CODE:
902	{	1209	{
903	AV *av = newAV ();	1210	AV *av = newAV ();
904	av_fill (av, BER_ARRAYSIZE - 1);	1211	av_fill (av, BER_ARRAYSIZE - 1);
905	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1212	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
906	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1213	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
907	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1214	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
908	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1215	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
909	RETVAL = newRV_noinc ((SV *)av);	1216	RETVAL = newRV_noinc ((SV *)av);
910	}	1217	}
911	OUTPUT: RETVAL	1218	OUTPUT: RETVAL
912		1219
913	# TODO: not arrayref, but elements?	1220	# TODO: not arrayref, but elements?
…		…
915	ber_seq (SV *arrayref)	1222	ber_seq (SV *arrayref)
916	CODE:	1223	CODE:
917	{	1224	{
918	AV *av = newAV ();	1225	AV *av = newAV ();
919	av_fill (av, BER_ARRAYSIZE - 1);	1226	av_fill (av, BER_ARRAYSIZE - 1);
920	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1227	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
921	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1228	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
922	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1229	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
923	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1230	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
924	RETVAL = newRV_noinc ((SV *)av);	1231	RETVAL = newRV_noinc ((SV *)av);
925	}	1232	}
926	OUTPUT: RETVAL	1233	OUTPUT: RETVAL
927		1234
		1235	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile
		1236
		1237	SV *
		1238	new (SV *klass)
		1239	CODE:
		1240	RETVAL = profile_new ();
		1241	OUTPUT: RETVAL
		1242
		1243	void
		1244	set (SV *profile, int klass, int tag, int type)
		1245	CODE:
		1246	profile_set (SvPROFILE (profile), klass, tag, type);
		1247
		1248	IV
		1249	get (SV *profile, int klass, int tag)
		1250	CODE:
		1251	RETVAL = profile_lookup (SvPROFILE (profile), klass, tag);
		1252	OUTPUT: RETVAL
		1253
		1254	void
		1255	_set_default (SV *profile)
		1256	CODE:
		1257	default_profile = SvPROFILE (profile);
		1258
		1259

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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 1.23 by root, Sun Apr 21 01:51:12 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 1.23 by root, Sun Apr 21 01:51:12 2019 UTC