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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs.
Revision 1.22 by root, Sat Apr 20 18:38:33 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,	18	ASN_OID = 0x06,
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	};
…		…
77	BER_TYPE_IPADDRESS,	81	BER_TYPE_IPADDRESS,
78	BER_TYPE_CROAK,	82	BER_TYPE_CROAK,
79	};	83	};
80		84
81	enum {	85	enum {
82	BER_CLASS = 0,	86	BER_CLASS = 0,
83	BER_TAG = 1,	87	BER_TAG = 1,
84	BER_CONSTRUCTED = 2,	88	BER_FLAGS = 2,
85	BER_DATA = 3,	89	BER_DATA = 3,
86	BER_ARRAYSIZE	90	BER_ARRAYSIZE
87	};	91	};
88		92
89	#define MAX_OID_STRLEN 4096	93	#define MAX_OID_STRLEN 4096
90		94
…		…
178		182
179	SvPVX (sv)[idx] = type;	183	SvPVX (sv)[idx] = type;
180	}	184	}
181		185
182	static SV *	186	static SV *
183	profile_new ()	187	profile_new (void)
184	{	188	{
185	SV *sv = newSVpvn ("", 0);	189	SV *sv = newSVpvn ("", 0);
186		190
187	static const struct {	191	static const struct {
188	int klass;	192	int klass;
189	int tag;	193	int tag;
190	int type;	194	int type;
191	} *celem, default_map[] = {	195	} *celem, default_map[] = {
192	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },	196	{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL },
193	{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT },	197	{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT },
194	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },	198	{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL },
195	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },	199	{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID },
196	{ ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID },
197	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },	200	{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID },
198	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },	201	{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL },
		202	{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT },
199	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },	203	{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
200	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },	204	{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
201	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },	205	{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
202	};	206	};
203		207
204	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--)	208	for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
205	profile_set ((void *)sv, celem->klass, celem->tag, celem->type);	209	profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
206		210
207	return sv_bless (newRV_noinc (sv), profile_stash);	211	return sv_bless (newRV_noinc (sv), profile_stash);
208	}	212	}
209		213
210	/////////////////////////////////////////////////////////////////////////////	214	/////////////////////////////////////////////////////////////////////////////
…		…
245		249
246	return *cur++;	250	return *cur++;
247	}	251	}
248		252
249	// get ber-encoded integer (i.e. pack "w")	253	// get ber-encoded integer (i.e. pack "w")
250	static U32	254	static UV
251	get_w (void)	255	get_w (void)
252	{	256	{
253	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)");
254		262
255	for (;;)	263	for (;;)
256	{	264	{
257	U8 c = get_u8 ();
258	res = (res << 7) \| (c & 0x7f);	265	res = (res << 7) \| (c & 0x7f);
259		266
260	if (!(c & 0x80))	267	if (!(c & 0x80))
261	return res;	268	return res;
262	}
263	}
264		269
		270	c = get_u8 ();
		271	}
		272	}
		273
265	static U32	274	static UV
266	get_length (void)	275	get_length (void)
267	{	276	{
268	U32 res = get_u8 ();	277	UV res = get_u8 ();
269		278
270	if (res & 0x80)	279	if (res & 0x80)
271	{	280	{
272	int cnt = res & 0x7f;	281	int cnt = res & 0x7f;
273	res = 0;	282	res = 0;
274		283
275	switch (cnt)	284	switch (cnt)
276	{	285	{
277	case 0:	286	case 0:
278	error ("indefinite ASN.1 lengths not supported");	287	error ("indefinite ASN.1 lengths not supported");
279	return 0;	288
		289	case 0x7f:
		290	error ("ASN.1 reserved value in length (X.690 8.1.3.5)");
280		291
281	default:	292	default:
282	error ("ASN.1 length too long");	293	error ("ASN.1 length too long (only up to 2**64 octets supported)");
283	return 0;
284		294
		295	case 8: res = (res << 8) \| get_u8 ();
		296	case 7: res = (res << 8) \| get_u8 ();
		297	case 6: res = (res << 8) \| get_u8 ();
		298	case 5: res = (res << 8) \| get_u8 ();
285	case 4: res = (res << 8) \| get_u8 ();	299	case 4: res = (res << 8) \| get_u8 ();
286	case 3: res = (res << 8) \| get_u8 ();	300	case 3: res = (res << 8) \| get_u8 ();
287	case 2: res = (res << 8) \| get_u8 ();	301	case 2: res = (res << 8) \| get_u8 ();
288	case 1: res = (res << 8) \| get_u8 ();	302	case 1: res = (res << 8) \| get_u8 ();
289	}	303	}
…		…
291		305
292	return res;	306	return res;
293	}	307	}
294		308
295	static SV *	309	static SV *
296	decode_int ()	310	decode_int (void)
297	{	311	{
298	int len = get_length ();	312	UV len = get_length ();
299		313
300	if (len <= 0)	314	if (!len)
301	{
302	error ("integer length equal to zero");	315	error ("invalid integer length equal to zero (X.690 8.3.1)");
303	return 0;
304	}
305		316
306	U8 *data = get_n (len);	317	U8 *data = get_n (len);
		318
		319	if (expect_false (len > 1))
		320	{
		321	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		322
		323	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		324	error ("illegal padding in integer (X.690 8.3.2)");
		325	}
307		326
308	int negative = data [0] & 0x80;	327	int negative = data [0] & 0x80;
309		328
310	UV val = negative ? -1 : 0; // copy signbit to all bits	329	UV val = negative ? -1 : 0; // copy signbit to all bits
311		330
…		…
319	}	338	}
320		339
321	static SV *	340	static SV *
322	decode_data (void)	341	decode_data (void)
323	{	342	{
324	U32 len = get_length ();	343	UV len = get_length ();
325	U8 *data = get_n (len);
326	return newSVpvn ((char *)data, len);	344	return newSVpvn ((char *)get_n (len), len);
327	}	345	}
328		346
329	// gelper for decode_object_identifier	347	// helper for decode_object_identifier
330	static char *	348	static char *
331	write_uv (char *buf, U32 u)	349	write_uv (char *buf, UV u)
332	{	350	{
333	// the one-digit case is absolutely predominant, so this pays off (hopefully)	351	// the one-digit case is absolutely predominant, so this pays off (hopefully)
334	if (expect_true (u < 10))	352	if (expect_true (u < 10))
335	*buf++ = u + '0';	353	*buf++ = u + '0';
336	else	354	else
337	{	355	{
		356	// this could be done much faster using branchless fixed-point arithmetics
338	char *beg = buf;	357	char *beg = buf;
339		358
340	do	359	do
341	{	360	{
342	*buf++ = u % 10 + '0';	361	*buf++ = u % 10 + '0';
343	u /= 10;	362	u /= 10;
344	}	363	}
345	while (u);	364	while (u);
346		365
347	// reverse digits	366	// reverse digits
348	for (char *ptr = buf; --ptr != beg; ++beg)	367	char *ptr = buf;
		368	while (--ptr > beg)
349	{	369	{
350	char c = *ptr;	370	char c = *ptr;
351	ptr = beg;	371	ptr = beg;
352	*beg = c;	372	*beg = c;
		373	++beg;
353	}	374	}
354	}	375	}
355		376
356	return buf;	377	return buf;
357	}	378	}
358		379
359	static SV *	380	static SV *
360	decode_oid (int relative)	381	decode_oid (int relative)
361	{	382	{
362	U32 len = get_length ();	383	UV len = get_length ();
363		384
364	if (len <= 0)	385	if (len <= 0)
365	{	386	{
366	error ("OBJECT IDENTIFIER length equal to zero");	387	error ("OBJECT IDENTIFIER length equal to zero");
367	return &PL_sv_undef;	388	return &PL_sv_undef;
368	}	389	}
369		390
370	U8 *end = cur + len;	391	U8 *end = cur + len;
371	U32 w = get_w ();	392	UV w = get_w ();
372		393
373	static char oid[MAX_OID_STRLEN]; // must be static	394	static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack
374	char *app = oid;	395	char *app = oid;
375		396
376	if (relative)	397	if (relative)
377	app = write_uv (app, w);	398	app = write_uv (app, w);
378	else	399	else if (w < 2 * 40)
379	{	400	{
380	app = write_uv (app, (U8)w / 40);	401	app = write_uv (app, (U8)w / 40);
381	*app++ = '.';	402	*app++ = '.';
382	app = write_uv (app, (U8)w % 40);	403	app = write_uv (app, (U8)w % 40);
383	}	404	}
		405	else
		406	{
		407	app = write_uv (app, 2);
		408	*app++ = '.';
		409	app = write_uv (app, w - 2 * 40);
		410	}
384		411
		412	while (cur < end)
		413	{
385	// we assume an oid component is never > 64 bytes	414	// we assume an oid component is never > 64 digits
386	while (cur < end && oid + sizeof (oid) - app > 64)	415	if (oid + sizeof (oid) - app < 64)
387	{	416	croak ("BER_TYPE_OID to long to decode");
		417
388	w = get_w ();	418	w = get_w ();
389	*app++ = '.';	419	*app++ = '.';
390	app = write_uv (app, w);	420	app = write_uv (app, w);
391	}	421	}
392		422
…		…
397	static SV *	427	static SV *
398	decode_ucs (int chrsize)	428	decode_ucs (int chrsize)
399	{	429	{
400	SV *res = NEWSV (0, 0);	430	SV *res = NEWSV (0, 0);
401		431
402	U32 len = get_length ();	432	UV len = get_length ();
403		433
404	if (len & (chrsize - 1))	434	if (len & (chrsize - 1))
405	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	435	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
406		436
407	while (len)	437	while (len)
…		…
428		458
429	return res;	459	return res;
430	}	460	}
431		461
432	static SV *	462	static SV *
433	decode_ber ()	463	decode_ber (void)
434	{	464	{
435	int identifier = get_u8 ();	465	int identifier = get_u8 ();
436		466
437	SV *res;	467	SV *res;
438		468
…		…
441	int tag = identifier & ASN_TAG_MASK;	471	int tag = identifier & ASN_TAG_MASK;
442		472
443	if (tag == ASN_TAG_BER)	473	if (tag == ASN_TAG_BER)
444	tag = get_w ();	474	tag = get_w ();
445		475
446	if (tag == ASN_TAG_BER)
447	tag = get_w ();
448
449	if (constructed)	476	if (constructed)
450	{	477	{
451	U32 len = get_length ();	478	UV len = get_length ();
452	U32 seqend = (cur - buf) + len;	479	UV seqend = (cur - buf) + len;
453	AV av = (AV )sv_2mortal ((SV *)newAV ());	480	AV av = (AV )sv_2mortal ((SV *)newAV ());
454		481
455	while (cur < buf + seqend)	482	while (cur < buf + seqend)
456	av_push (av, decode_ber ());	483	av_push (av, decode_ber ());
457		484
458	if (cur > buf + seqend)	485	if (cur > buf + seqend)
459	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	486	croak ("constructed type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
460		487
461	res = newRV_inc ((SV *)av);	488	res = newRV_inc ((SV *)av);
462	}	489	}
463	else	490	else
464	switch (profile_lookup (cur_profile, klass, tag))	491	switch (profile_lookup (cur_profile, klass, tag))
465	{	492	{
466	case BER_TYPE_NULL:	493	case BER_TYPE_NULL:
		494	{
		495	UV len = get_length ();
		496
		497	if (len)
		498	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
		499
467	res = &PL_sv_undef;	500	res = &PL_sv_undef;
		501	}
468	break;	502	break;
469		503
470	case BER_TYPE_BOOL:	504	case BER_TYPE_BOOL:
471	{	505	{
472	U32 len = get_length ();	506	UV len = get_length ();
473		507
474	if (len != 1)	508	if (len != 1)
475	croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len);	509	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
476		510
477	res = newSVcacheint (get_u8 () ? 0 : 1);	511	res = newSVcacheint (!!get_u8 ());
478	}	512	}
479	break;	513	break;
480		514
481	case BER_TYPE_OID:	515	case BER_TYPE_OID:
482	res = decode_oid (0);	516	res = decode_oid (0);
…		…
499	res = decode_data ();	533	res = decode_data ();
500	break;	534	break;
501		535
502	case BER_TYPE_IPADDRESS:	536	case BER_TYPE_IPADDRESS:
503	{	537	{
504	U32 len = get_length ();	538	UV len = get_length ();
505		539
506	if (len != 4)	540	if (len != 4)
507	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	541	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
508		542
509	U8 c1 = get_u8 ();	543	U8 c1 = get_u8 ();
510	U8 c2 = get_u8 ();	544	U8 c2 = get_u8 ();
511	U8 c3 = get_u8 ();	545	U8 c3 = get_u8 ();
512	U8 c4 = get_u8 ();	546	U8 c4 = get_u8 ();
…		…
529	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	563	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
530	}	564	}
531		565
532	AV *av = newAV ();	566	AV *av = newAV ();
533	av_fill (av, BER_ARRAYSIZE - 1);	567	av_fill (av, BER_ARRAYSIZE - 1);
534	AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass);	568	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
535	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	569	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
536	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	570	AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0);
537	AvARRAY (av)[BER_DATA ] = res;	571	AvARRAY (av)[BER_DATA ] = res;
538		572
539	return newRV_noinc ((SV *)av);	573	return newRV_noinc ((SV *)av);
540	}	574	}
541		575
542	/////////////////////////////////////////////////////////////////////////////	576	/////////////////////////////////////////////////////////////////////////////
…		…
547	strlen_sum (STRLEN l1, STRLEN l2)	581	strlen_sum (STRLEN l1, STRLEN l2)
548	{	582	{
549	size_t sum = l1 + l2;	583	size_t sum = l1 + l2;
550		584
551	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	585	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
552	croak ("JSON::XS: string size overflow");	586	croak ("Convert::BER::XS: string size overflow");
553		587
554	return sum;	588	return sum;
555	}	589	}
556		590
557	static void	591	static void
…		…
595	need (1);	629	need (1);
596	*cur++ = val;	630	*cur++ = val;
597	}	631	}
598		632
599	static void	633	static void
600	put_w_nocheck (U32 val)	634	put_w_nocheck (UV val)
601	{	635	{
		636	#if UVSIZE > 4
		637	cur = (val >> 7 9) \| 0x80; cur += val >= ((UV)1 << (7 * 9));
		638	cur = (val >> 7 8) \| 0x80; cur += val >= ((UV)1 << (7 * 8));
		639	cur = (val >> 7 7) \| 0x80; cur += val >= ((UV)1 << (7 * 7));
		640	cur = (val >> 7 6) \| 0x80; cur += val >= ((UV)1 << (7 * 6));
		641	cur = (val >> 7 5) \| 0x80; cur += val >= ((UV)1 << (7 * 5));
		642	#endif
602	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));	643	cur = (val >> 7 4) \| 0x80; cur += val >= ((UV)1 << (7 * 4));
603	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));	644	cur = (val >> 7 3) \| 0x80; cur += val >= ((UV)1 << (7 * 3));
604	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));	645	cur = (val >> 7 2) \| 0x80; cur += val >= ((UV)1 << (7 * 2));
605	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));	646	cur = (val >> 7 1) \| 0x80; cur += val >= ((UV)1 << (7 * 1));
606	*cur = val & 0x7f; cur += 1;	647	*cur = val & 0x7f; cur += 1;
607	}	648	}
608		649
609	static void	650	static void
610	put_w (U32 val)	651	put_w (UV val)
611	{	652	{
612	need (5); // we only handle up to 5 bytes	653	need (5); // we only handle up to 5 bytes
613		654
614	put_w_nocheck (val);	655	put_w_nocheck (val);
615	}	656	}
616		657
617	static U8 *	658	static U8 *
618	put_length_at (U32 val, U8 *cur)	659	put_length_at (UV val, U8 *cur)
619	{	660	{
620	if (val < 0x7fU)	661	if (val < 0x7fU)
621	*cur++ = val;	662	*cur++ = val;
622	else	663	else
623	{	664	{
624	U8 *lenb = cur++;	665	U8 *lenb = cur++;
625		666
		667	#if UVSIZE > 4
		668	cur = val >> 56; cur += cur > 0;
		669	cur = val >> 48; cur += cur > 0;
		670	cur = val >> 40; cur += cur > 0;
		671	cur = val >> 32; cur += cur > 0;
		672	#endif
626	cur = val >> 24; cur += cur > 0;	673	cur = val >> 24; cur += cur > 0;
627	cur = val >> 16; cur += cur > 0;	674	cur = val >> 16; cur += cur > 0;
628	cur = val >> 8; cur += cur > 0;	675	cur = val >> 8; cur += cur > 0;
629	*cur = val ; cur += 1;	676	*cur = val ; cur += 1;
630		677
…		…
633		680
634	return cur;	681	return cur;
635	}	682	}
636		683
637	static void	684	static void
638	put_length (U32 val)	685	put_length (UV val)
639	{	686	{
640	need (5 + val);	687	need (5 + val);
641	cur = put_length_at (val, cur);	688	cur = put_length_at (val, cur);
642	}	689	}
643		690
644	// return how many bytes the encoded length requires	691	// return how many bytes the encoded length requires
645	static int length_length (U32 val)	692	static int length_length (UV val)
646	{	693	{
647	return val < 0x7fU	694	return val < 0x7fU
648	? 1	695	? 1
649	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);	696	: 2
		697	+ (val > 0xffU)
		698	+ (val > 0xffffU)
		699	+ (val > 0xffffffU)
		700	#if UVSIZE > 4
		701	+ (val > 0xffffffffU)
		702	+ (val > 0xffffffffffU)
		703	+ (val > 0xffffffffffffU)
		704	+ (val > 0xffffffffffffffU)
		705	#endif
		706	;
650	}	707	}
651		708
652	static void	709	static void
653	encode_data (const char *ptr, STRLEN len)	710	encode_data (const char *ptr, STRLEN len)
654	{	711	{
…		…
716		773
717	*lenb = cur - lenb - 1;	774	*lenb = cur - lenb - 1;
718	}	775	}
719		776
720	// we don't know the length yet, so we optimistically	777	// we don't know the length yet, so we optimistically
721	// assume the length will need one octet later. if that	778	// assume the length will need one octet later. If that
722	// turns out to be wrong, we memove as needed.	779	// turns out to be wrong, we memmove as needed.
723	// mark the beginning	780	// mark the beginning
724	static STRLEN	781	static STRLEN
725	len_fixup_mark ()	782	len_fixup_mark (void)
726	{	783	{
727	return cur++ - buf;	784	return cur++ - buf;
728	}	785	}
729		786
730	// patch up the length	787	// patch up the length
…		…
839	{	896	{
840	AV *av = ber_tuple (tuple);	897	AV *av = ber_tuple (tuple);
841		898
842	int klass = SvIV (AvARRAY (av)[BER_CLASS]);	899	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
843	int tag = SvIV (AvARRAY (av)[BER_TAG]);	900	int tag = SvIV (AvARRAY (av)[BER_TAG]);
844	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;	901	int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0;
845	SV *data = AvARRAY (av)[BER_DATA];	902	SV *data = AvARRAY (av)[BER_DATA];
846		903
847	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;	904	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
848		905
849	if (expect_false (tag >= ASN_TAG_BER))	906	if (expect_false (tag >= ASN_TAG_BER))
…		…
868	int fill = AvFILL (av);	925	int fill = AvFILL (av);
869		926
870	if (expect_false (SvRMAGICAL (av)))	927	if (expect_false (SvRMAGICAL (av)))
871	croak ("BER constructed data must not be tied");	928	croak ("BER constructed data must not be tied");
872		929
		930	int i;
873	for (int i = 0; i <= fill; ++i)	931	for (i = 0; i <= fill; ++i)
874	encode_ber (AvARRAY (av)[i]);	932	encode_ber (AvARRAY (av)[i]);
875		933
876	len_fixup (mark);	934	len_fixup (mark);
877	}	935	}
878	else	936	else
…		…
882	put_length (0);	940	put_length (0);
883	break;	941	break;
884		942
885	case BER_TYPE_BOOL:	943	case BER_TYPE_BOOL:
886	put_length (1);	944	put_length (1);
887	*cur++ = SvTRUE (data) ? 0xff : 0x00;	945	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
888	break;	946	break;
889		947
890	case BER_TYPE_OID:	948	case BER_TYPE_OID:
891	encode_oid (data, 0);	949	encode_oid (data, 0);
892	break;	950	break;
…		…
955	const char *name;	1013	const char *name;
956	IV iv;	1014	IV iv;
957	} *civ, const_iv[] = {	1015	} *civ, const_iv[] = {
958	#define const_iv(name) { # name, name },	1016	#define const_iv(name) { # name, name },
959	const_iv (ASN_BOOLEAN)	1017	const_iv (ASN_BOOLEAN)
960	const_iv (ASN_INTEGER32)	1018	const_iv (ASN_INTEGER)
961	const_iv (ASN_BIT_STRING)	1019	const_iv (ASN_BIT_STRING)
962	const_iv (ASN_OCTET_STRING)	1020	const_iv (ASN_OCTET_STRING)
963	const_iv (ASN_NULL)	1021	const_iv (ASN_NULL)
964	const_iv (ASN_OBJECT_IDENTIFIER)	1022	const_iv (ASN_OBJECT_IDENTIFIER)
965	const_iv (ASN_OBJECT_DESCRIPTOR)	1023	const_iv (ASN_OBJECT_DESCRIPTOR)
…		…
994	const_iv (ASN_CONTEXT)	1052	const_iv (ASN_CONTEXT)
995	const_iv (ASN_PRIVATE)	1053	const_iv (ASN_PRIVATE)
996		1054
997	const_iv (BER_CLASS)	1055	const_iv (BER_CLASS)
998	const_iv (BER_TAG)	1056	const_iv (BER_TAG)
999	const_iv (BER_CONSTRUCTED)	1057	const_iv (BER_FLAGS)
1000	const_iv (BER_DATA)	1058	const_iv (BER_DATA)
1001		1059
1002	const_iv (BER_TYPE_BYTES)	1060	const_iv (BER_TYPE_BYTES)
1003	const_iv (BER_TYPE_UTF8)	1061	const_iv (BER_TYPE_UTF8)
1004	const_iv (BER_TYPE_UCS2)	1062	const_iv (BER_TYPE_UCS2)
…		…
1012	const_iv (BER_TYPE_IPADDRESS)	1070	const_iv (BER_TYPE_IPADDRESS)
1013	const_iv (BER_TYPE_CROAK)	1071	const_iv (BER_TYPE_CROAK)
1014		1072
1015	const_iv (SNMP_IPADDRESS)	1073	const_iv (SNMP_IPADDRESS)
1016	const_iv (SNMP_COUNTER32)	1074	const_iv (SNMP_COUNTER32)
		1075	const_iv (SNMP_GAUGE32)
1017	const_iv (SNMP_UNSIGNED32)	1076	const_iv (SNMP_UNSIGNED32)
1018	const_iv (SNMP_TIMETICKS)	1077	const_iv (SNMP_TIMETICKS)
1019	const_iv (SNMP_OPAQUE)	1078	const_iv (SNMP_OPAQUE)
1020	const_iv (SNMP_COUNTER64)	1079	const_iv (SNMP_COUNTER64)
1021	};	1080	};
1022		1081
1023	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1082	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1024	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1083	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1025	}	1084	}
1026		1085
1027	SV *	1086	void
1028	ber_decode (SV ber, SV profile = &PL_sv_undef)	1087	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1088	ALIAS:
		1089	ber_decode_prefix = 1
1029	CODE:	1090	PPCODE:
1030	{	1091	{
1031	cur_profile = SvPROFILE (profile);	1092	cur_profile = SvPROFILE (profile);
1032	STRLEN len;	1093	STRLEN len;
1033	buf = (U8 *)SvPVbyte (ber, len);	1094	buf = (U8 *)SvPVbyte (ber, len);
1034	cur = buf;	1095	cur = buf;
1035	end = buf + len;	1096	end = buf + len;
1036		1097
1037	RETVAL = decode_ber ();	1098	SV *tuple = decode_ber ();
		1099
		1100	EXTEND (SP, 2);
		1101	PUSHs (sv_2mortal (tuple));
		1102
		1103	if (ix)
		1104	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1105	else if (cur != end)
		1106	error ("trailing garbage after BER data");
1038	}	1107	}
1039	OUTPUT: RETVAL
1040		1108
1041	void	1109	void
1042	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV constructed = &PL_sv_undef, SV *data = &PL_sv_undef)	1110	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
1043	PPCODE:	1111	PPCODE:
1044	{	1112	{
1045	if (!SvOK (tuple))	1113	if (!SvOK (tuple))
1046	XSRETURN_NO;	1114	XSRETURN_NO;
1047		1115
…		…
1049	croak ("ber_is: tuple must be BER tuple (array-ref)");	1117	croak ("ber_is: tuple must be BER tuple (array-ref)");
1050		1118
1051	AV av = (AV )SvRV (tuple);	1119	AV av = (AV )SvRV (tuple);
1052		1120
1053	XPUSHs (	1121	XPUSHs (
1054	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass))	1122	(!SvOK (klass) \|\| SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass))
1055	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))	1123	&& (!SvOK (tag) \|\| SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag))
1056	&& (!SvOK (constructed) \|\| !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed))	1124	&& (!SvOK (flags) \|\| !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags))
1057	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))	1125	&& (!SvOK (data) \|\| sv_eq (AvARRAY (av)[BER_DATA ], data))
1058	? &PL_sv_yes : &PL_sv_undef);	1126	? &PL_sv_yes : &PL_sv_undef);
1059	}	1127	}
1060		1128
1061	void	1129	void
1062	ber_is_seq (SV *tuple)	1130	ber_is_seq (SV *tuple)
…		…
1066	XSRETURN_UNDEF;	1134	XSRETURN_UNDEF;
1067		1135
1068	AV *av = ber_tuple (tuple);	1136	AV *av = ber_tuple (tuple);
1069		1137
1070	XPUSHs (	1138	XPUSHs (
1071	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1139	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1072	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE	1140	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE
1073	&& SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1141	&& SvIV (AvARRAY (av)[BER_FLAGS])
1074	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	1142	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
1075	}	1143	}
1076		1144
1077	void	1145	void
1078	ber_is_i32 (SV tuple, SV value = &PL_sv_undef)	1146	ber_is_int (SV tuple, SV value = &PL_sv_undef)
1079	PPCODE:	1147	PPCODE:
1080	{	1148	{
1081	if (!SvOK (tuple))	1149	if (!SvOK (tuple))
1082	XSRETURN_NO;	1150	XSRETURN_NO;
1083		1151
1084	AV *av = ber_tuple (tuple);	1152	AV *av = ber_tuple (tuple);
1085		1153
1086	IV data = SvIV (AvARRAY (av)[BER_DATA]);	1154	UV data = SvUV (AvARRAY (av)[BER_DATA]);
1087		1155
1088	XPUSHs (	1156	XPUSHs (
1089	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1157	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1090	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32	1158	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER
1091	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1159	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1092	&& (!SvOK (value) \|\| data == SvIV (value))	1160	&& (!SvOK (value) \|\| data == SvUV (value))
1093	? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0))	1161	? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0))
1094	: &PL_sv_undef);	1162	: &PL_sv_undef);
1095	}	1163	}
1096		1164
1097	void	1165	void
1098	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)	1166	ber_is_oid (SV tuple, SV oid = &PL_sv_undef)
…		…
1102	XSRETURN_NO;	1170	XSRETURN_NO;
1103		1171
1104	AV *av = ber_tuple (tuple);	1172	AV *av = ber_tuple (tuple);
1105		1173
1106	XPUSHs (	1174	XPUSHs (
1107	SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL	1175	SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL
1108	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER	1176	&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER
1109	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	1177	&& !SvIV (AvARRAY (av)[BER_FLAGS])
1110	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))	1178	&& (!SvOK (oid) \|\| sv_eq (AvARRAY (av)[BER_DATA], oid))
1111	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);	1179	? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef);
1112	}	1180	}
1113		1181
1114	#############################################################################	1182	#############################################################################
…		…
1127	SvCUR_set (buf_sv, cur - buf);	1195	SvCUR_set (buf_sv, cur - buf);
1128	XPUSHs (buf_sv);	1196	XPUSHs (buf_sv);
1129	}	1197	}
1130		1198
1131	SV *	1199	SV *
1132	ber_i32 (IV iv)	1200	ber_int (SV *sv)
1133	CODE:	1201	CODE:
1134	{	1202	{
1135	AV *av = newAV ();	1203	AV *av = newAV ();
1136	av_fill (av, BER_ARRAYSIZE - 1);	1204	av_fill (av, BER_ARRAYSIZE - 1);
1137	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1205	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1138	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32);	1206	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER);
1139	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0);	1207	AvARRAY (av)[BER_FLAGS] = newSVcacheint (0);
1140	AvARRAY (av)[BER_DATA ] = newSViv (iv);	1208	AvARRAY (av)[BER_DATA ] = newSVsv (sv);
1141	RETVAL = newRV_noinc ((SV *)av);	1209	RETVAL = newRV_noinc ((SV *)av);
1142	}	1210	}
1143	OUTPUT: RETVAL	1211	OUTPUT: RETVAL
1144		1212
1145	# TODO: not arrayref, but elements?	1213	# TODO: not arrayref, but elements?
…		…
1147	ber_seq (SV *arrayref)	1215	ber_seq (SV *arrayref)
1148	CODE:	1216	CODE:
1149	{	1217	{
1150	AV *av = newAV ();	1218	AV *av = newAV ();
1151	av_fill (av, BER_ARRAYSIZE - 1);	1219	av_fill (av, BER_ARRAYSIZE - 1);
1152	AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL);	1220	AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL);
1153	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);	1221	AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE);
1154	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1);	1222	AvARRAY (av)[BER_FLAGS] = newSVcacheint (1);
1155	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);	1223	AvARRAY (av)[BER_DATA ] = newSVsv (arrayref);
1156	RETVAL = newRV_noinc ((SV *)av);	1224	RETVAL = newRV_noinc ((SV *)av);
1157	}	1225	}
1158	OUTPUT: RETVAL	1226	OUTPUT: RETVAL
1159		1227
1160	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile	1228	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs. Revision 1.22 by root, Sat Apr 20 18:38:33 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.10 by root, Sat Apr 20 11:12:47 2019 UTC vs.
Revision 1.22 by root, Sat Apr 20 18:38:33 2019 UTC