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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.6 by root, Sat Apr 20 01:03:59 2019 UTC vs.
Revision 1.34 by root, Thu Feb 6 11:51:40 2020 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	#include <math.h>
		6
5	// C99 required	7	// C99 required!
		8	// this is not just for comments, but also for
		9	// integer constant semantics,
		10	// sscanf format modifiers and more.
6		11
7	enum {	12	enum {
8	// ASN_TAG	13	// ASN_TAG
9	ASN_BOOLEAN = 0x01,	14	ASN_BOOLEAN = 0x01,
10	ASN_INTEGER32 = 0x02,	15	ASN_INTEGER = 0x02,
11	ASN_BIT_STRING = 0x03,	16	ASN_BIT_STRING = 0x03,
12	ASN_OCTET_STRING = 0x04,	17	ASN_OCTET_STRING = 0x04,
13	ASN_NULL = 0x05,	18	ASN_NULL = 0x05,
14	ASN_OBJECT_IDENTIFIER = 0x06,	19	ASN_OBJECT_IDENTIFIER = 0x06,
15	ASN_OID = 0x06, //X	20	ASN_OID = 0x06,
16	ASN_OBJECT_DESCRIPTOR = 0x07, //X	21	ASN_OBJECT_DESCRIPTOR = 0x07,
17	ASN_EXTERNAL = 0x08, //X	22	ASN_EXTERNAL = 0x08,
18	ASN_REAL = 0x09, //X	23	ASN_REAL = 0x09,
19	ASN_ENUMERATED = 0x0a, //X	24	ASN_ENUMERATED = 0x0a,
20	ASN_EMBEDDED_PDV = 0x0b, //X	25	ASN_EMBEDDED_PDV = 0x0b,
21	ASN_UTF8_STRING = 0x0c, //X	26	ASN_UTF8_STRING = 0x0c,
22	ASN_RELATIVE_OID = 0x0d, //X	27	ASN_RELATIVE_OID = 0x0d,
23	ASN_SEQUENCE = 0x10,	28	ASN_SEQUENCE = 0x10,
24	ASN_SET = 0x11, //X	29	ASN_SET = 0x11,
25	ASN_NUMERIC_STRING = 0x12, //X	30	ASN_NUMERIC_STRING = 0x12,
26	ASN_PRINTABLE_STRING = 0x13, //X	31	ASN_PRINTABLE_STRING = 0x13,
27	ASN_TELETEX_STRING = 0x14, //X	32	ASN_TELETEX_STRING = 0x14,
28	ASN_T61_STRING = 0x14, //X	33	ASN_T61_STRING = 0x14,
29	ASN_VIDEOTEX_STRING = 0x15, //X	34	ASN_VIDEOTEX_STRING = 0x15,
30	ASN_IA5_STRING = 0x16, //X	35	ASN_IA5_STRING = 0x16,
31	ASN_ASCII_STRING = 0x16, //X	36	ASN_ASCII_STRING = 0x16,
32	ASN_UTC_TIME = 0x17, //X	37	ASN_UTC_TIME = 0x17,
33	ASN_GENERALIZED_TIME = 0x18, //X	38	ASN_GENERALIZED_TIME = 0x18,
34	ASN_GRAPHIC_STRING = 0x19, //X	39	ASN_GRAPHIC_STRING = 0x19,
35	ASN_VISIBLE_STRING = 0x1a, //X	40	ASN_VISIBLE_STRING = 0x1a,
36	ASN_ISO646_STRING = 0x1a, //X	41	ASN_ISO646_STRING = 0x1a,
37	ASN_GENERAL_STRING = 0x1b, //X	42	ASN_GENERAL_STRING = 0x1b,
38	ASN_UNIVERSAL_STRING = 0x1c, //X	43	ASN_UNIVERSAL_STRING = 0x1c,
39	ASN_CHARACTER_STRING = 0x1d, //X	44	ASN_CHARACTER_STRING = 0x1d,
40	ASN_BMP_STRING = 0x1e, //X	45	ASN_BMP_STRING = 0x1e,
41		46
42	ASN_TAG_BER = 0x1f,	47	ASN_TAG_BER = 0x1f,
43	ASN_TAG_MASK = 0x1f,	48	ASN_TAG_MASK = 0x1f,
44		49
45	// primitive/constructed	50	// primitive/constructed
55	ASN_CLASS_SHIFT = 6,	60	ASN_CLASS_SHIFT = 6,
56		61
57	// ASN_APPLICATION SNMP	62	// ASN_APPLICATION SNMP
58	SNMP_IPADDRESS = 0x00,	63	SNMP_IPADDRESS = 0x00,
59	SNMP_COUNTER32 = 0x01,	64	SNMP_COUNTER32 = 0x01,
		65	SNMP_GAUGE32 = 0x02,
60	SNMP_UNSIGNED32 = 0x02,	66	SNMP_UNSIGNED32 = 0x02,
61	SNMP_TIMETICKS = 0x03,	67	SNMP_TIMETICKS = 0x03,
62	SNMP_OPAQUE = 0x04,	68	SNMP_OPAQUE = 0x04,
63	SNMP_COUNTER64 = 0x06,	69	SNMP_COUNTER64 = 0x06,
64	};	70	};
65		71
		72	// low-level types this module can ecode the above (and more) into
66	enum {	73	enum {
67	BER_TYPE_BYTES,	74	BER_TYPE_BYTES,
68	BER_TYPE_UTF8,	75	BER_TYPE_UTF8,
69	BER_TYPE_UCS2,	76	BER_TYPE_UCS2,
70	BER_TYPE_UCS4,	77	BER_TYPE_UCS4,
…		…
76	BER_TYPE_REAL,	83	BER_TYPE_REAL,
77	BER_TYPE_IPADDRESS,	84	BER_TYPE_IPADDRESS,
78	BER_TYPE_CROAK,	85	BER_TYPE_CROAK,
79	};	86	};
80		87
		88	// tuple array indices
81	enum {	89	enum {
82	BER_CLASS = 0,	90	BER_CLASS = 0,
83	BER_TAG = 1,	91	BER_TAG = 1,
84	BER_CONSTRUCTED = 2,	92	BER_FLAGS = 2,
85	BER_DATA = 3,	93	BER_DATA = 3,
86	BER_ARRAYSIZE	94	BER_ARRAYSIZE
87	};	95	};
88		96
89	#define MAX_OID_STRLEN 4096	97	#define MAX_OID_STRLEN 4096
90		98
91	typedef void profile_type;	99	typedef void profile_type;
92		100
93	static profile_type cur_profile, default_profile;	101	static profile_type cur_profile, default_profile;
94	static SV *buf_sv; // encoding buffer	102	static SV *buf_sv; // encoding buffer
95	static U8 buf, cur, *end; // buffer start, current, end	103	static U8 buf, cur, *end; // buffer start, current, end
		104
		105	#if PERL_VERSION < 18
		106	# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
		107	#endif
		108
		109	#ifndef SvREFCNT_inc_NN
		110	#define SvREFCNT_inc_NN(x) SvREFCNT_inc (x)
		111	#endif
		112	#ifndef SvREFCNT_dec_NN
		113	#define SvREFCNT_dec_NN(x) SvREFCNT_dec (x)
		114	#endif
96		115
97	#if __GNUC__ >= 3	116	#if __GNUC__ >= 3
98	# define expect(expr,value) __builtin_expect ((expr), (value))	117	# define expect(expr,value) __builtin_expect ((expr), (value))
99	# define INLINE static inline	118	# define INLINE static inline
100	#else	119	#else
…		…
133	{	152	{
134	if (!SvOK (profile))	153	if (!SvOK (profile))
135	return default_profile;	154	return default_profile;
136		155
137	if (!SvROK (profile))	156	if (!SvROK (profile))
138	croak ("invalid profile");	157	croak ("Convert::BER::XS::Profile expected");
139		158
140	profile = SvRV (profile);	159	profile = SvRV (profile);
141		160
142	if (SvSTASH (profile) != profile_stash)	161	if (SvSTASH (profile) != profile_stash)
143	croak ("invalid profile object");	162	croak ("Convert::BER::XS::Profile expected");
144		163
145	return (void *)profile;	164	return (void *)profile;
146	}	165	}
147		166
148	static int	167	static int
…		…
155	return BER_TYPE_BYTES;	174	return BER_TYPE_BYTES;
156		175
157	return SvPVX (sv)[idx];	176	return SvPVX (sv)[idx];
158	}	177	}
159		178
160	static int	179	static void
161	profile_set (profile_type *profile, int klass, int tag, int type)	180	profile_set (profile_type *profile, int klass, int tag, int type)
162	{	181	{
163	SV sv = (SV )profile;	182	SV sv = (SV )profile;
164	U32 idx = (tag << 2) + klass;	183	U32 idx = (tag << 2) + klass;
165	STRLEN oldlen = SvCUR (sv);	184	STRLEN oldlen = SvCUR (sv);
…		…
174		193
175	SvPVX (sv)[idx] = type;	194	SvPVX (sv)[idx] = type;
176	}	195	}
177		196
178	static SV *	197	static SV *
179	profile_new ()	198	profile_new (void)
180	{	199	{
181	SV *sv = newSVpvn ("", 0);	200	SV *sv = newSVpvn ("", 0);
182		201
183	static const struct {	202	static const struct {
184	int klass;	203	int klass;
185	int tag;	204	int tag;
186	int type;	205	int type;
187	} *celem, default_map[] = {	206	} *celem, default_map[] = {
188	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },	207	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
189	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },	208	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
190	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },	209	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
191	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },	210	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
192	{ ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID },
193	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },	211	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
194	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },	212	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		213	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
195	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },	214	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
196	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },	215	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
197	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },	216	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
198	};	217	};
199		218
200	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--)	219	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
201	profile_set ((void *)sv, celem->klass, celem->tag, celem->type);	220	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
202		221
203	return sv_bless (newRV_noinc (sv), profile_stash);	222	return sv_bless (newRV_noinc (sv), profile_stash);
204	}	223	}
205		224
206	/////////////////////////////////////////////////////////////////////////////	225	/////////////////////////////////////////////////////////////////////////////
…		…
219	error ("unexpected end of message buffer");	238	error ("unexpected end of message buffer");
220	}	239	}
221		240
222	// get_* functions fetch something from the buffer	241	// get_* functions fetch something from the buffer
223	// decode_* functions use get_* fun ctions to decode ber values	242	// decode_* functions use get_* fun ctions to decode ber values
		243
		244	// get single octet
		245	static U8
		246	get_u8 (void)
		247	{
		248	if (cur == end)
		249	error ("unexpected end of message buffer");
		250
		251	return *cur++;
		252	}
224		253
225	// get n octets	254	// get n octets
226	static U8 *	255	static U8 *
227	get_n (UV count)	256	get_n (UV count)
228	{	257	{
…		…
230	U8 *res = cur;	259	U8 *res = cur;
231	cur += count;	260	cur += count;
232	return res;	261	return res;
233	}	262	}
234		263
235	// get single octet
236	static U8
237	get_u8 (void)
238	{
239	if (cur == end)
240	error ("unexpected end of message buffer");
241
242	return *cur++;
243	}
244
245	// get ber-encoded integer (i.e. pack "w")	264	// get ber-encoded integer (i.e. pack "w")
246	static U32	265	static UV
247	get_w (void)	266	get_w (void)
248	{	267	{
249	U32 res = 0;	268	UV res = 0;
		269	U8 c = get_u8 ();
		270
		271	if (expect_false (c == 0x80))
		272	error ("invalid BER padding (X.690 8.1.2.4.2, 8.19.2)");
250		273
251	for (;;)	274	for (;;)
252	{	275	{
253	U8 c = get_u8 ();	276	if (expect_false (res >> UVSIZE * 8 - 7))
		277	error ("BER variable length integer overflow");
		278
254	res = (res << 7) \| (c & 0x7f);	279	res = (res << 7) \| (c & 0x7f);
255		280
256	if (!(c & 0x80))	281	if (expect_true (!(c & 0x80)))
257	return res;	282	return res;
258	}
259	}
260		283
		284	c = get_u8 ();
		285	}
		286	}
		287
261	static U32	288	static UV
262	get_length (void)	289	get_length (void)
263	{	290	{
264	U32 res = get_u8 ();	291	UV res = get_u8 ();
265		292
266	if (res & 0x80)	293	if (expect_false (res & 0x80))
267	{	294	{
268	int cnt = res & 0x7f;	295	U8 cnt = res & 0x7f;
		296
		297	// this genewrates quite ugly code, but the overhead
		298	// of copying the bytes for these lengths is probably so high
		299	// that a slightly inefficient get_length won't matter.
		300
		301	if (expect_false (cnt == 0))
		302	error ("invalid use of indefinite BER length form in primitive encoding (X.690 8.1.3.2)");
		303
		304	if (expect_false (cnt > UVSIZE))
		305	error ("BER value length too long (must fit into UV) or BER reserved value in length (X.690 8.1.3.5)");
		306
		307	want (cnt);
		308
269	res = 0;	309	res = 0;
270		310	do
271	switch (cnt)	311	res = (res << 8) \| *cur++;
272	{	312	while (--cnt);
273	case 0:
274	error ("indefinite ASN.1 lengths not supported");
275	return 0;
276
277	default:
278	error ("ASN.1 length too long");
279	return 0;
280
281	case 4: res = (res << 8) \| get_u8 ();
282	case 3: res = (res << 8) \| get_u8 ();
283	case 2: res = (res << 8) \| get_u8 ();
284	case 1: res = (res << 8) \| get_u8 ();
285	}
286	}	313	}
287		314
288	return res;	315	return res;
289	}	316	}
290		317
291	static SV *	318	static SV *
292	decode_int ()	319	decode_int (UV len)
293	{	320	{
294	int len = get_length ();
295
296	if (len <= 0)	321	if (!len)
297	{	322	error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
298	error ("integer length equal to zero");
299	return 0;
300	}
301		323
302	U8 *data = get_n (len);	324	U8 *data = get_n (len);
303		325
		326	if (expect_false (len > 1))
		327	{
		328	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		329
		330	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		331	error ("invalid padding in BER_TYPE_INT (X.690 8.3.2)");
		332	}
		333
304	int negative = data [0] & 0x80;	334	int negative = data [0] & 0x80;
305		335
306	UV val = negative ? -1 : 0; // copy signbit to all bits	336	UV val = negative ? -1 : 0; // copy signbit to all bits
		337
		338	if (len > UVSIZE + (!negative && !*data))
		339	error ("BER_TYPE_INT overflow");
307		340
308	do	341	do
309	val = (val << 8) \| *data++;	342	val = (val << 8) \| *data++;
310	while (--len);	343	while (--len);
311		344
…		…
313	// but that's ok, as perl relies on it as well.	346	// but that's ok, as perl relies on it as well.
314	return negative ? newSViv ((IV)val) : newSVuv (val);	347	return negative ? newSViv ((IV)val) : newSVuv (val);
315	}	348	}
316		349
317	static SV *	350	static SV *
318	decode_data (void)	351	decode_data (UV len)
319	{	352	{
320	U32 len = get_length ();
321	U8 *data = get_n (len);
322	return newSVpvn ((char *)data, len);	353	return newSVpvn ((char *)get_n (len), len);
323	}	354	}
324		355
325	// gelper for decode_object_identifier	356	// helper for decode_object_identifier
326	static char *	357	static char *
327	write_uv (char *buf, U32 u)	358	write_uv (char *buf, UV u)
328	{	359	{
329	// the one-digit case is absolutely predominant, so this pays off (hopefully)	360	// the one-digit case is absolutely predominant, so this pays off (hopefully)
330	if (expect_true (u < 10))	361	if (expect_true (u < 10))
331	*buf++ = u + '0';	362	*buf++ = u + '0';
332	else	363	else
333	{	364	{
		365	// this could be done much faster using branchless fixed-point arithmetics
334	char *beg = buf;	366	char *beg = buf;
335		367
336	do	368	do
337	{	369	{
338	*buf++ = u % 10 + '0';	370	*buf++ = u % 10 + '0';
339	u /= 10;	371	u /= 10;
340	}	372	}
341	while (u);	373	while (u);
342		374
343	// reverse digits	375	// reverse digits
344	for (char *ptr = buf; --ptr != beg; ++beg)	376	char *ptr = buf;
		377	while (--ptr > beg)
345	{	378	{
346	char c = *ptr;	379	char c = *ptr;
347	ptr = beg;	380	ptr = beg;
348	*beg = c;	381	*beg = c;
		382	++beg;
349	}	383	}
350	}	384	}
351		385
352	return buf;	386	return buf;
353	}	387	}
354		388
355	static SV *	389	static SV *
356	decode_oid (int relative)	390	decode_oid (UV len, int relative)
357	{	391	{
358	U32 len = get_length ();
359
360	if (len <= 0)	392	if (len <= 0)
361	{	393	{
362	error ("OBJECT IDENTIFIER length equal to zero");	394	error ("BER_TYPE_OID length must not be zero");
363	return &PL_sv_undef;	395	return &PL_sv_undef;
364	}	396	}
365		397
366	U8 *end = cur + len;	398	U8 *end = cur + len;
367	U32 w = get_w ();	399	UV w = get_w ();
368		400
369	static char oid[MAX_OID_STRLEN]; // must be static	401	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
370	char *app = oid;	402	char *app = oid;
371		403
372	if (relative)	404	if (relative)
373	app = write_uv (app, w);	405	app = write_uv (app, w);
374	else	406	else
375	{	407	{
		408	UV w1, w2;
		409
		410	if (w < 2 * 40)
		411	(w1 = w / 40), (w2 = w % 40);
		412	else
		413	(w1 = 2), (w2 = w - 2 * 40);
		414
376	app = write_uv (app, (U8)w / 40);	415	app = write_uv (app, w1);
377	*app++ = '.';	416	*app++ = '.';
378	app = write_uv (app, (U8)w % 40);	417	app = write_uv (app, w2);
		418	}
		419
		420	while (cur < end)
379	}	421	{
380
381	// we assume an oid component is never > 64 bytes	422	// we assume an oid component is never > 64 digits
382	while (cur < end && oid + sizeof (oid) - app > 64)	423	if (oid + sizeof (oid) - app < 64)
383	{	424	croak ("BER_TYPE_OID to long to decode");
		425
384	w = get_w ();	426	w = get_w ();
385	*app++ = '.';	427	*app++ = '.';
386	app = write_uv (app, w);	428	app = write_uv (app, w);
387	}	429	}
388		430
389	return newSVpvn (oid, app - oid);	431	return newSVpvn (oid, app - oid);
390	}	432	}
391		433
		434	// oh my, this is a total mess
392	static SV *	435	static SV *
		436	decode_real (UV len)
		437	{
		438	SV *res;
		439	U8 *beg = cur;
		440
		441	if (len == 0)
		442	res = newSVnv (0.);
		443	else
		444	{
		445	U8 info = get_u8 ();
		446
		447	if (info & 0x80)
		448	{
		449	// binary
		450	static const U8 base[] = { 2, 8, 16, 0 };
		451	NV S = info & 0x40 ? -1 : 1; // sign
		452	NV B = base [(info >> 4) & 3]; // base
		453	NV F = 1 << ((info >> 2) & 3); // scale factor ("shift")
		454	int L = info & 3; // exponent length
		455
		456	if (!B)
		457	croak ("BER_TYPE_REAL binary encoding uses invalid base (0x%02x)", info);
		458
		459	SAVETMPS;
		460
		461	SV *E = sv_2mortal (decode_int (L == 3 ? get_u8 () : L + 1));
		462	SV *M = sv_2mortal (decode_int (len - (cur - beg)));
		463
		464	res = newSVnv (S * SvNV (M) * F * Perl_pow (B, SvNV (E)));
		465
		466	FREETMPS;
		467	}
		468	else if (info & 0x40)
		469	{
		470	// SpecialRealValue
		471	U8 special = get_u8 ();
		472	NV val;
		473
		474	switch (special)
		475	{
		476	case 0x40: val = NV_INF; break;
		477	case 0x41: val = -NV_INF; break;
		478	case 0x42: val = NV_NAN; break;
		479	case 0x43: val = -(NV)0.; break;
		480
		481	default:
		482	croak ("BER_TYPE_REAL SpecialRealValues invalid encoding 0x%02x (X.690 8.5.9)", special);
		483	}
		484
		485	res = newSVnv (val);
		486	}
		487	else
		488	{
		489	// decimal
		490	dSP;
		491	SAVETMPS;
		492	PUSHMARK (SP);
		493	EXTEND (SP, 2);
		494	PUSHs (sv_2mortal (newSVcacheint (info & 0x3f)));
		495	PUSHs (sv_2mortal (newSVpvn (get_n (len - 1), len - 1)));
		496	PUTBACK;
		497	call_pv ("Convert::BER::XS::_decode_real_decimal", G_SCALAR);
		498	SPAGAIN;
		499	res = SvREFCNT_inc_NN (POPs);
		500	PUTBACK;
		501	FREETMPS;
		502	}
		503	}
		504
		505	if (cur - beg != len)
		506	{
		507	SvREFCNT_dec_NN (res);
		508	croak ("BER_TYPE_REAL invalid content length (X.690 8,5)");
		509	}
		510
		511	return res;
		512	}
		513
		514	// TODO: this is unacceptably slow
		515	static SV *
		516	decode_ucs (UV len, int chrsize)
		517	{
		518	if (len & (chrsize - 1))
		519	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		520
		521	SV *res = NEWSV (0, 0);
		522
		523	while (len)
		524	{
		525	U8 b1 = get_u8 ();
		526	U8 b2 = get_u8 ();
		527	U32 chr = (b1 << 8) \| b2;
		528
		529	if (chrsize == 4)
		530	{
		531	U8 b3 = get_u8 ();
		532	U8 b4 = get_u8 ();
		533	chr = (chr << 16) \| (b3 << 8) \| b4;
		534	}
		535
		536	U8 uchr [UTF8_MAXBYTES];
		537	int uclen = uvuni_to_utf8 (uchr, chr) - uchr;
		538
		539	sv_catpvn (res, (const char *)uchr, uclen);
		540	len -= chrsize;
		541	}
		542
		543	SvUTF8_on (res);
		544
		545	return res;
		546	}
		547
		548	static SV *
393	decode_ber ()	549	decode_ber (void)
394	{	550	{
395	int identifier = get_u8 ();	551	int identifier = get_u8 ();
396		552
397	SV *res;	553	SV *res;
398		554
…		…
401	int tag = identifier & ASN_TAG_MASK;	557	int tag = identifier & ASN_TAG_MASK;
402		558
403	if (tag == ASN_TAG_BER)	559	if (tag == ASN_TAG_BER)
404	tag = get_w ();	560	tag = get_w ();
405		561
406	if (tag == ASN_TAG_BER)
407	tag = get_w ();
408
409	if (constructed)	562	if (constructed)
410	{	563	{
411	U32 len = get_length ();	564	want (1);
412	U32 seqend = (cur - buf) + len;
413	AV av = (AV )sv_2mortal ((SV *)newAV ());	565	AV av = (AV )sv_2mortal ((SV *)newAV ());
414		566
415	while (cur < buf + seqend)	567	if (expect_false (*cur == 0x80))
		568	{
		569	// indefinite length
		570	++cur;
		571
		572	for (;;)
		573	{
		574	want (2);
		575	if (!cur [0] && !cur [1])
		576	{
		577	cur += 2;
		578	break;
		579	}
		580
416	av_push (av, decode_ber ());	581	av_push (av, decode_ber ());
		582	}
		583	}
		584	else
		585	{
		586	UV len = get_length ();
		587	UV seqend = (cur - buf) + len;
417		588
418	if (cur > buf + seqend)	589	while (cur < buf + seqend)
		590	av_push (av, decode_ber ());
		591
		592	if (expect_false (cur > buf + seqend))
419	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	593	croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
		594	}
420		595
421	res = newRV_inc ((SV *)av);	596	res = newRV_inc ((SV *)av);
422	}	597	}
423	else	598	else
		599	{
		600	UV len = get_length ();
		601
424	switch (profile_lookup (cur_profile, klass, tag))	602	switch (profile_lookup (cur_profile, klass, tag))
425	{	603	{
426	case BER_TYPE_NULL:	604	case BER_TYPE_NULL:
		605	if (expect_false (len))
		606	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		607
427	res = &PL_sv_undef;	608	res = &PL_sv_undef;
428	break;	609	break;
429		610
430	case BER_TYPE_BOOL:	611	case BER_TYPE_BOOL:
431	{
432	U32 len = get_length ();
433
434	if (len != 1)	612	if (expect_false (len != 1))
435	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);	613	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
436		614
437	res = newSVcacheint (get_u8 () ? 0 : 1);	615	res = newSVcacheint (!!get_u8 ());
438	}
439	break;	616	break;
440		617
441	case BER_TYPE_OID:	618	case BER_TYPE_OID:
442	res = decode_oid (0);	619	res = decode_oid (len, 0);
443	break;	620	break;
444		621
445	case BER_TYPE_RELOID:	622	case BER_TYPE_RELOID:
446	res = decode_oid (1);	623	res = decode_oid (len, 1);
447	break;	624	break;
448		625
449	case BER_TYPE_INT:	626	case BER_TYPE_INT:
450	res = decode_int ();	627	res = decode_int (len);
451	break;	628	break;
452		629
453	case BER_TYPE_UTF8:	630	case BER_TYPE_UTF8:
454	res = decode_data ();	631	res = decode_data (len);
455	SvUTF8_on (res);	632	SvUTF8_on (res);
456	break;	633	break;
457		634
458	case BER_TYPE_BYTES:	635	case BER_TYPE_BYTES:
459	res = decode_data ();	636	res = decode_data (len);
460	break;	637	break;
461		638
462	case BER_TYPE_IPADDRESS:	639	case BER_TYPE_IPADDRESS:
463	{	640	{
464	U32 len = get_length ();
465
466	if (len != 4)	641	if (len != 4)
467	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	642	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
468		643
469	U8 c1 = get_u8 ();	644	U8 *data = get_n (4);
470	U8 c2 = get_u8 ();	645	res = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]);
471	U8 c3 = get_u8 ();
472	U8 c4 = get_u8 ();
473
474	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
475	}	646	}
476	break;	647	break;
477		648
478	case BER_TYPE_REAL:
479	case BER_TYPE_UCS2:	649	case BER_TYPE_UCS2:
		650	res = decode_ucs (len, 2);
		651	break;
		652
480	case BER_TYPE_UCS4:	653	case BER_TYPE_UCS4:
		654	res = decode_ucs (len, 4);
		655	break;
		656
		657	case BER_TYPE_REAL:
		658	res = decode_real (len);
		659	break;
		660
481	case BER_TYPE_CROAK:	661	case BER_TYPE_CROAK:
		662	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		663
482	default:	664	default:
483	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	665	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
484	}	666	}
		667	}
485		668
486	AV *av = newAV ();	669	AV *av = newAV ();
487	av_fill (av, BER_ARRAYSIZE - 1);	670	av_fill (av, BER_ARRAYSIZE - 1);
488	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	671	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
489	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	672	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
490	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	673	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
491	AvARRAY (av)[BER_DATA ] = res;	674	AvARRAY (av)[BER_DATA ] = res;
492		675
493	return newRV_noinc ((SV *)av);	676	return newRV_noinc ((SV *)av);
494	}	677	}
495		678
496	/////////////////////////////////////////////////////////////////////////////	679	/////////////////////////////////////////////////////////////////////////////
…		…
501	strlen_sum (STRLEN l1, STRLEN l2)	684	strlen_sum (STRLEN l1, STRLEN l2)
502	{	685	{
503	size_t sum = l1 + l2;	686	size_t sum = l1 + l2;
504		687
505	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	688	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
506	croak ("JSON::XS: string size overflow");	689	croak ("Convert::BER::XS: string size overflow");
507		690
508	return sum;	691	return sum;
509	}	692	}
510		693
511	static void	694	static void
512	set_buf (SV *sv)	695	set_buf (SV *sv)
513	{	696	{
514	STRLEN len;	697	STRLEN len;
515	buf_sv = sv;	698	buf_sv = sv;
516	buf = SvPVbyte (buf_sv, len);	699	buf = (U8 *)SvPVbyte (buf_sv, len);
517	cur = buf;	700	cur = buf;
518	end = buf + len;	701	end = buf + len;
519	}	702	}
520		703
521	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */	704	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
…		…
535	need (STRLEN len)	718	need (STRLEN len)
536	{	719	{
537	if (expect_false ((uintptr_t)(end - cur) < len))	720	if (expect_false ((uintptr_t)(end - cur) < len))
538	{	721	{
539	STRLEN pos = cur - buf;	722	STRLEN pos = cur - buf;
540	buf = my_sv_grow (buf_sv, pos, len);	723	buf = (U8 *)my_sv_grow (buf_sv, pos, len);
541	cur = buf + pos;	724	cur = buf + pos;
542	end = buf + SvLEN (buf_sv) - 1;	725	end = buf + SvLEN (buf_sv) - 1;
543	}	726	}
544	}	727	}
545		728
…		…
549	need (1);	732	need (1);
550	*cur++ = val;	733	*cur++ = val;
551	}	734	}
552		735
553	static void	736	static void
554	put_w_nocheck (U32 val)	737	put_w_nocheck (UV val)
555	{	738	{
		739	#if UVSIZE > 4
		740	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		741	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		742	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		743	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		744	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		745	#endif
556	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	746	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
557	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	747	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
558	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	748	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
559	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	749	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
560	*cur = val & 0x7f; cur += 1;	750	*cur = val & 0x7f; cur += 1;
561	}	751	}
562		752
563	static void	753	static void
564	put_w (U32 val)	754	put_w (UV val)
565	{	755	{
566	need (5); // we only handle up to 5 bytes	756	need (5); // we only handle up to 5 bytes
567		757
568	put_w_nocheck (val);	758	put_w_nocheck (val);
569	}	759	}
570		760
571	static U8 *	761	static U8 *
572	put_length_at (U32 val, U8 *cur)	762	put_length_at (UV val, U8 *cur)
573	{	763	{
574	if (val < 0x7fU)	764	if (val <= 0x7fU)
575	*cur++ = val;	765	*cur++ = val;
576	else	766	else
577	{	767	{
578	U8 *lenb = cur++;	768	U8 *lenb = cur++;
579		769
580	cur = val >> 24; cur += cur > 0;	770	#if UVSIZE > 4
581	cur = val >> 16; cur += cur > 0;	771	cur = val >> 56; cur += val >= ((UV)1 << (8 7));
582	cur = val >> 8; cur += cur > 0;	772	cur = val >> 48; cur += val >= ((UV)1 << (8 6));
		773	cur = val >> 40; cur += val >= ((UV)1 << (8 5));
		774	cur = val >> 32; cur += val >= ((UV)1 << (8 4));
		775	#endif
		776	cur = val >> 24; cur += val >= ((UV)1 << (8 3));
		777	cur = val >> 16; cur += val >= ((UV)1 << (8 2));
		778	cur = val >> 8; cur += val >= ((UV)1 << (8 1));
583	*cur = val ; cur += 1;	779	*cur = val ; cur += 1;
584		780
585	*lenb = 0x80 + cur - lenb - 1;	781	*lenb = 0x80 + cur - lenb - 1;
586	}	782	}
587		783
588	return cur;	784	return cur;
589	}	785	}
590		786
591	static void	787	static void
592	put_length (U32 val)	788	put_length (UV val)
593	{	789	{
594	need (5);	790	need (9 + val);
595	cur = put_length_at (val, cur);	791	cur = put_length_at (val, cur);
596	}	792	}
597		793
598	// return how many bytes the encoded length requires	794	// return how many bytes the encoded length requires
599	static int length_length (U32 val)	795	static int length_length (UV val)
600	{	796	{
601	return val < 0x7fU	797	// use hashing with a DeBruin sequence, anyone?
		798	return expect_true (val <= 0x7fU)
602	? 1	799	? 1
603	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	800	: 2
		801	+ (val > 0x000000000000ffU)
		802	+ (val > 0x0000000000ffffU)
		803	+ (val > 0x00000000ffffffU)
		804	#if UVSIZE > 4
		805	+ (val > 0x000000ffffffffU)
		806	+ (val > 0x0000ffffffffffU)
		807	+ (val > 0x00ffffffffffffU)
		808	+ (val > 0xffffffffffffffU)
		809	#endif
		810	;
604	}	811	}
605		812
606	static void	813	static void
607	encode_data (const char *ptr, STRLEN len)	814	encode_data (const char *ptr, STRLEN len)
608	{	815	{
609	put_length (len);	816	put_length (len);
610	need (len);
611	memcpy (cur, ptr, len);	817	memcpy (cur, ptr, len);
612	cur += len;	818	cur += len;
613	}	819	}
614		820
615	static void	821	static void
…		…
671		877
672	*lenb = cur - lenb - 1;	878	*lenb = cur - lenb - 1;
673	}	879	}
674		880
675	// we don't know the length yet, so we optimistically	881	// we don't know the length yet, so we optimistically
676	// assume the length will need one octet later. if that	882	// assume the length will need one octet later. If that
677	// turns out to be wrong, we memove as needed.	883	// turns out to be wrong, we memmove as needed.
678	// mark the beginning	884	// mark the beginning
679	static STRLEN	885	static STRLEN
680	len_fixup_mark ()	886	len_fixup_mark (void)
681	{	887	{
682	return cur++ - buf;	888	return cur++ - buf;
683	}	889	}
684		890
685	// patch up the length	891	// patch up the length
…		…
742	}	948	}
743		949
744	len_fixup (mark);	950	len_fixup (mark);
745	}	951	}
746		952
		953	static void
		954	encode_real (SV *data)
		955	{
		956	NV nv = SvNV (data);
		957
		958	if (expect_false (nv == (NV)0.))
		959	{
		960	if (signbit (nv))
		961	{
		962	// negative zero
		963	need (3);
		964	*cur++ = 2;
		965	*cur++ = 0x40;
		966	*cur++ = 0x43;
		967	}
		968	else
		969	{
		970	// positive zero
		971	need (1);
		972	*cur++ = 0;
		973	}
		974	}
		975	else if (expect_false (Perl_isinf (nv)))
		976	{
		977	need (3);
		978	*cur++ = 2;
		979	*cur++ = 0x40;
		980	*cur++ = nv < (NV)0. ? 0x41 : 0x40;
		981	}
		982	else if (expect_false (Perl_isnan (nv)))
		983	{
		984	need (3);
		985	*cur++ = 2;
		986	*cur++ = 0x40;
		987	*cur++ = 0x42;
		988	}
		989	else
		990	{
		991	// use decimal encoding
		992	dSP;
		993	SAVETMPS;
		994	PUSHMARK (SP);
		995	EXTEND (SP, 2);
		996	PUSHs (data);
		997	PUSHs (sv_2mortal (newSVcacheint (NV_DIG)));
		998	PUTBACK;
		999	call_pv ("Convert::BER::XS::_encode_real_decimal", G_SCALAR);
		1000	SPAGAIN;
		1001
		1002	SV *sv = POPs;
		1003	STRLEN l;
		1004	char *f = SvPV (sv, l);
		1005
		1006	put_length (l);
		1007	memcpy (cur, f, l);
		1008	cur += l;
		1009
		1010	PUTBACK;
		1011	FREETMPS;
		1012	}
		1013	}
		1014
		1015	static void
		1016	encode_ucs (SV *data, int chrsize)
		1017	{
		1018	STRLEN uchars = sv_len_utf8 (data);
		1019	STRLEN len;;
		1020	char *ptr = SvPVutf8 (data, len);
		1021
		1022	put_length (uchars * chrsize);
		1023
		1024	while (uchars--)
		1025	{
		1026	STRLEN uclen;
		1027	UV uchr = utf8_to_uvchr_buf ((U8 )ptr, (U8 )ptr + len, &uclen);
		1028
		1029	ptr += uclen;
		1030	len -= uclen;
		1031
		1032	if (chrsize == 4)
		1033	{
		1034	*cur++ = uchr >> 24;
		1035	*cur++ = uchr >> 16;
		1036	}
		1037
		1038	*cur++ = uchr >> 8;
		1039	*cur++ = uchr;
		1040	}
		1041	}
		1042
747	// check whether an SV is a BER tuple and returns its AV *	1043	// check whether an SV is a BER tuple and returns its AV *
748	static AV *	1044	static AV *
749	ber_tuple (SV *tuple)	1045	ber_tuple (SV *tuple)
750	{	1046	{
751	SV *rv;	1047	SV *rv;
…		…
767	{	1063	{
768	AV *av = ber_tuple (tuple);	1064	AV *av = ber_tuple (tuple);
769		1065
770	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	1066	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
771	int tag = SvIV (AvARRAY (av)[BER_TAG]);	1067	int tag = SvIV (AvARRAY (av)[BER_TAG]);
772	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	1068	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
773	SV *data = AvARRAY (av)[BER_DATA];	1069	SV *data = AvARRAY (av)[BER_DATA];
774		1070
775	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	1071	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
776		1072
777	if (expect_false (tag >= ASN_TAG_BER))	1073	if (expect_false (tag >= ASN_TAG_BER))
…		…
788	// and adjust later	1084	// and adjust later
789	need (1);	1085	need (1);
790	STRLEN mark = len_fixup_mark ();	1086	STRLEN mark = len_fixup_mark ();
791		1087
792	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))	1088	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
793	croak ("BER constructed data must be array-reference");	1089	croak ("BER CONSTRUCTED data must be array-reference");
794		1090
795	AV av = (AV )SvRV (data);	1091	AV av = (AV )SvRV (data);
796	int fill = AvFILL (av);	1092	int fill = AvFILL (av);
797		1093
798	if (expect_false (SvRMAGICAL (av)))	1094	if (expect_false (SvRMAGICAL (av)))
799	croak ("BER constructed data must not be tied");	1095	croak ("BER CONSTRUCTED data must not be tied");
800		1096
		1097	int i;
801	for (int i = 0; i <= fill; ++i)	1098	for (i = 0; i <= fill; ++i)
802	encode_ber (AvARRAY (av)[i]);	1099	encode_ber (AvARRAY (av)[i]);
803		1100
804	len_fixup (mark);	1101	len_fixup (mark);
805	}	1102	}
806	else	1103	else
…		…
810	put_length (0);	1107	put_length (0);
811	break;	1108	break;
812		1109
813	case BER_TYPE_BOOL:	1110	case BER_TYPE_BOOL:
814	put_length (1);	1111	put_length (1);
815	put_u8 (SvTRUE (data) ? 0xff : 0x00);	1112	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
816	break;	1113	break;
817		1114
818	case BER_TYPE_OID:	1115	case BER_TYPE_OID:
819	encode_oid (data, 0);	1116	encode_oid (data, 0);
820	break;	1117	break;
…		…
849	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);	1146	sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3);
850	encode_data ((const char *)ip, sizeof (ip));	1147	encode_data ((const char *)ip, sizeof (ip));
851	}	1148	}
852	break;	1149	break;
853		1150
		1151	case BER_TYPE_UCS2:
		1152	encode_ucs (data, 2);
		1153	break;
		1154
		1155	case BER_TYPE_UCS4:
		1156	encode_ucs (data, 4);
		1157	break;
		1158
854	case BER_TYPE_REAL:	1159	case BER_TYPE_REAL:
855	case BER_TYPE_UCS2:	1160	encode_real (data);
856	case BER_TYPE_UCS4:	1161	break;
		1162
857	case BER_TYPE_CROAK:	1163	case BER_TYPE_CROAK:
		1164	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		1165
858	default:	1166	default:
859	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	1167	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
860	}	1168	}
861		1169
862	}	1170	}
…		…
877	const char *name;	1185	const char *name;
878	IV iv;	1186	IV iv;
879	} *civ, const_iv[] = {	1187	} *civ, const_iv[] = {
880	#define const_iv(name) { # name, name },	1188	#define const_iv(name) { # name, name },
881	const_iv (ASN_BOOLEAN)	1189	const_iv (ASN_BOOLEAN)
882	const_iv (ASN_INTEGER32)	1190	const_iv (ASN_INTEGER)
883	const_iv (ASN_BIT_STRING)	1191	const_iv (ASN_BIT_STRING)
884	const_iv (ASN_OCTET_STRING)	1192	const_iv (ASN_OCTET_STRING)
885	const_iv (ASN_NULL)	1193	const_iv (ASN_NULL)
886	const_iv (ASN_OBJECT_IDENTIFIER)	1194	const_iv (ASN_OBJECT_IDENTIFIER)
887	const_iv (ASN_OBJECT_DESCRIPTOR)	1195	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
916	const_iv (ASN_CONTEXT)	1224	const_iv (ASN_CONTEXT)
917	const_iv (ASN_PRIVATE)	1225	const_iv (ASN_PRIVATE)
918		1226
919	const_iv (BER_CLASS)	1227	const_iv (BER_CLASS)
920	const_iv (BER_TAG)	1228	const_iv (BER_TAG)
921	const_iv (BER_CONSTRUCTED)	1229	const_iv (BER_FLAGS)
922	const_iv (BER_DATA)	1230	const_iv (BER_DATA)
923		1231
924	const_iv (BER_TYPE_BYTES)	1232	const_iv (BER_TYPE_BYTES)
925	const_iv (BER_TYPE_UTF8)	1233	const_iv (BER_TYPE_UTF8)
926	const_iv (BER_TYPE_UCS2)	1234	const_iv (BER_TYPE_UCS2)
…		…
934	const_iv (BER_TYPE_IPADDRESS)	1242	const_iv (BER_TYPE_IPADDRESS)
935	const_iv (BER_TYPE_CROAK)	1243	const_iv (BER_TYPE_CROAK)
936		1244
937	const_iv (SNMP_IPADDRESS)	1245	const_iv (SNMP_IPADDRESS)
938	const_iv (SNMP_COUNTER32)	1246	const_iv (SNMP_COUNTER32)
		1247	const_iv (SNMP_GAUGE32)
939	const_iv (SNMP_UNSIGNED32)	1248	const_iv (SNMP_UNSIGNED32)
940	const_iv (SNMP_TIMETICKS)	1249	const_iv (SNMP_TIMETICKS)
941	const_iv (SNMP_OPAQUE)	1250	const_iv (SNMP_OPAQUE)
942	const_iv (SNMP_COUNTER64)	1251	const_iv (SNMP_COUNTER64)
943	};	1252	};
944		1253
945	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1254	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
946	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1255	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
947	}	1256	}
948		1257
949	SV *	1258	void
950	ber_decode (SV ber, SV profile = &PL_sv_undef)	1259	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1260	ALIAS:
		1261	ber_decode_prefix = 1
951	CODE:	1262	PPCODE:
952	{	1263	{
953	cur_profile = SvPROFILE (profile);	1264	cur_profile = SvPROFILE (profile);
954	STRLEN len;	1265	STRLEN len;
955	buf = SvPVbyte (ber, len);	1266	buf = (U8 *)SvPVbyte (ber, len);
956	cur = buf;	1267	cur = buf;
957	end = buf + len;	1268	end = buf + len;
958		1269
		1270	PUTBACK;
959	RETVAL = decode_ber ();	1271	SV *tuple = decode_ber ();
		1272	SPAGAIN;
		1273
		1274	EXTEND (SP, 2);
		1275	PUSHs (sv_2mortal (tuple));
		1276
		1277	if (ix)
		1278	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1279	else if (cur != end)
		1280	error ("trailing garbage after BER value");
960	}	1281	}
961	OUTPUT: RETVAL
962		1282
963	void	1283	void
964	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1284	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
965	PPCODE:	1285	PPCODE:
966	{	1286	{
967	if (!SvOK (tuple))	1287	if (!SvOK (tuple))
968	XSRETURN_NO;	1288	XSRETURN_NO;
969		1289
…		…
971	croak ("ber_is: tuple must be BER tuple (array-ref)");	1291	croak ("ber_is: tuple must be BER tuple (array-ref)");
972		1292
973	AV av = (AV )SvRV (tuple);	1293	AV av = (AV )SvRV (tuple);
974		1294
975	XPUSHs (	1295	XPUSHs (
976	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1296	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
977	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1297	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
978	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1298	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
979	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1299	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
980	? &PL_sv_yes : &PL_sv_undef);	1300	? &PL_sv_yes : &PL_sv_undef);
981	}	1301	}
982		1302
983	void	1303	void
984	ber_is_seq (SV *tuple)	1304	ber_is_seq (SV *tuple)
…		…
988	XSRETURN_UNDEF;	1308	XSRETURN_UNDEF;
989		1309
990	AV *av = ber_tuple (tuple);	1310	AV *av = ber_tuple (tuple);
991		1311
992	XPUSHs (	1312	XPUSHs (
993	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1313	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
994	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1314	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
995	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1315	&& SvIV (AvARRAY (av)[BER_FLAGS])
996	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1316	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
997	}	1317	}
998		1318
999	void	1319	void
1000	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1320	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1001	PPCODE:	1321	PPCODE:
1002	{	1322	{
1003	if (!SvOK (tuple))	1323	if (!SvOK (tuple))
1004	XSRETURN_NO;	1324	XSRETURN_NO;
1005		1325
1006	AV *av = ber_tuple (tuple);	1326	AV *av = ber_tuple (tuple);
1007		1327
1008	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1328	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1009		1329
1010	XPUSHs (	1330	XPUSHs (
1011	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1331	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1012	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1332	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1013	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1333	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1014	&& (!SvOK (value) \|\| data == SvIV (value))	1334	&& (!SvOK (value) \|\| data == SvUV (value))
1015	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1335	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1016	: &PL_sv_undef);	1336	: &PL_sv_undef);
1017	}	1337	}
1018		1338
1019	void	1339	void
1020	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1340	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1024	XSRETURN_NO;	1344	XSRETURN_NO;
1025		1345
1026	AV *av = ber_tuple (tuple);	1346	AV *av = ber_tuple (tuple);
1027		1347
1028	XPUSHs (	1348	XPUSHs (
1029	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1349	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1030	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1350	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1031	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1351	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1032	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1352	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1033	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1353	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1034	}	1354	}
1035		1355
1036	#############################################################################	1356	#############################################################################
…		…
1042	cur_profile = SvPROFILE (profile);	1362	cur_profile = SvPROFILE (profile);
1043	buf_sv = sv_2mortal (NEWSV (0, 256));	1363	buf_sv = sv_2mortal (NEWSV (0, 256));
1044	SvPOK_only (buf_sv);	1364	SvPOK_only (buf_sv);
1045	set_buf (buf_sv);	1365	set_buf (buf_sv);
1046		1366
		1367	PUTBACK;
1047	encode_ber (tuple);	1368	encode_ber (tuple);
		1369	SPAGAIN;
1048		1370
1049	SvCUR_set (buf_sv, cur - buf);	1371	SvCUR_set (buf_sv, cur - buf);
1050	XPUSHs (buf_sv);	1372	XPUSHs (buf_sv);
1051	}	1373	}
1052		1374
1053	SV *	1375	SV *
1054	ber_i32 (IV iv)	1376	ber_int (SV *sv)
1055	CODE:	1377	CODE:
1056	{	1378	{
1057	AV *av = newAV ();	1379	AV *av = newAV ();
1058	av_fill (av, BER_ARRAYSIZE - 1);	1380	av_fill (av, BER_ARRAYSIZE - 1);
1059	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1381	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1060	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1382	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1061	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1383	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1062	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1384	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1063	RETVAL = newRV_noinc ((SV *)av);	1385	RETVAL = newRV_noinc ((SV *)av);
1064	}	1386	}
1065	OUTPUT: RETVAL	1387	OUTPUT: RETVAL
1066		1388
1067	# TODO: not arrayref, but elements?	1389	# TODO: not arrayref, but elements?
…		…
1069	ber_seq (SV *arrayref)	1391	ber_seq (SV *arrayref)
1070	CODE:	1392	CODE:
1071	{	1393	{
1072	AV *av = newAV ();	1394	AV *av = newAV ();
1073	av_fill (av, BER_ARRAYSIZE - 1);	1395	av_fill (av, BER_ARRAYSIZE - 1);
1074	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1396	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1075	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1397	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1076	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1398	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1077	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1399	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1078	RETVAL = newRV_noinc ((SV *)av);	1400	RETVAL = newRV_noinc ((SV *)av);
1079	}	1401	}
1080	OUTPUT: RETVAL	1402	OUTPUT: RETVAL
1081		1403
1082	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1404	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.6 by root, Sat Apr 20 01:03:59 2019 UTC vs. Revision 1.34 by root, Thu Feb 6 11:51:40 2020 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.6 by root, Sat Apr 20 01:03:59 2019 UTC vs.
Revision 1.34 by root, Thu Feb 6 11:51:40 2020 UTC