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

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.2 by root, Fri Apr 19 16:49:02 2019 UTC vs.
Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC

…		…
10	ASN_INTEGER32 = 0x02,	10	ASN_INTEGER32 = 0x02,
11	ASN_BIT_STRING = 0x03,	11	ASN_BIT_STRING = 0x03,
12	ASN_OCTET_STRING = 0x04,	12	ASN_OCTET_STRING = 0x04,
13	ASN_NULL = 0x05,	13	ASN_NULL = 0x05,
14	ASN_OBJECT_IDENTIFIER = 0x06,	14	ASN_OBJECT_IDENTIFIER = 0x06,
		15	ASN_OID = 0x06, //X
		16	ASN_OBJECT_DESCRIPTOR = 0x07, //X
		17	ASN_EXTERNAL = 0x08, //X
15	ASN_REAL = 0x09, //X	18	ASN_REAL = 0x09, //X
16	ASN_ENUMERATED = 0x0a, //X	19	ASN_ENUMERATED = 0x0a, //X
		20	ASN_EMBEDDED_PDV = 0x0b, //X
		21	ASN_UTF8_STRING = 0x0c, //X
		22	ASN_RELATIVE_OID = 0x0d, //X
17	ASN_SEQUENCE = 0x10,	23	ASN_SEQUENCE = 0x10,
18	ASN_SET = 0x11, //X	24	ASN_SET = 0x11, //X
		25	ASN_NUMERIC_STRING = 0x12, //X
		26	ASN_PRINTABLE_STRING = 0x13, //X
		27	ASN_TELETEX_STRING = 0x14, //X
		28	ASN_T61_STRING = 0x14, //X
		29	ASN_VIDEOTEX_STRING = 0x15, //X
		30	ASN_IA5_STRING = 0x16, //X
		31	ASN_ASCII_STRING = 0x16, //X
19	ASN_UTC_TIME = 0x17, //X	32	ASN_UTC_TIME = 0x17, //X
20	ASN_GENERAL_TIME = 0x18, //X	33	ASN_GENERALIZED_TIME = 0x18, //X
		34	ASN_GRAPHIC_STRING = 0x19, //X
		35	ASN_VISIBLE_STRING = 0x1a, //X
		36	ASN_ISO646_STRING = 0x1a, //X
		37	ASN_GENERAL_STRING = 0x1b, //X
		38	ASN_UNIVERSAL_STRING = 0x1c, //X
		39	ASN_CHARACTER_STRING = 0x1d, //X
		40	ASN_BMPSTRING = 0x1e, //X
21		41
22	ASN_TAG_BER = 0x1f,	42	ASN_TAG_BER = 0x1f,
23	ASN_TAG_MASK = 0x1f,	43	ASN_TAG_MASK = 0x1f,
24		44
25	// primitive/constructed	45	// primitive/constructed
…		…
33		53
34	ASN_CLASS_MASK = 0xc0,	54	ASN_CLASS_MASK = 0xc0,
35	ASN_CLASS_SHIFT = 6,	55	ASN_CLASS_SHIFT = 6,
36		56
37	// ASN_APPLICATION SNMP	57	// ASN_APPLICATION SNMP
38	ASN_IPADDRESS = 0x00,	58	SNMP_IPADDRESS = 0x00,
39	ASN_COUNTER32 = 0x01,	59	SNMP_COUNTER32 = 0x01,
40	ASN_UNSIGNED32 = 0x02,	60	SNMP_UNSIGNED32 = 0x02,
41	ASN_TIMETICKS = 0x03,	61	SNMP_TIMETICKS = 0x03,
42	ASN_OPAQUE = 0x04,	62	SNMP_OPAQUE = 0x04,
43	ASN_COUNTER64 = 0x06,	63	SNMP_COUNTER64 = 0x06,
44	};	64	};
45		65
46	enum {	66	enum {
47	BER_CLASS = 0,	67	BER_CLASS = 0,
48	BER_TAG = 1,	68	BER_TAG = 1,
…		…
51	BER_ARRAYSIZE	71	BER_ARRAYSIZE
52	};	72	};
53		73
54	#define MAX_OID_STRLEN 4096	74	#define MAX_OID_STRLEN 4096
55		75
56	static U8 buf, cur;	76	static SV *buf_sv; // encoding buffer
57	static STRLEN len, rem;	77	static U8 buf, cur, *end; // buffer start, current, end
		78
		79	#if __GNUC__ >= 3
		80	# define expect(expr,value) __builtin_expect ((expr), (value))
		81	# define INLINE static inline
		82	#else
		83	# define expect(expr,value) (expr)
		84	# define INLINE static
		85	#endif
		86
		87	#define expect_false(expr) expect ((expr) != 0, 0)
		88	#define expect_true(expr) expect ((expr) != 0, 1)
58		89
59	// for "small" integers, return a readonly sv, otherwise create a new one	90	// for "small" integers, return a readonly sv, otherwise create a new one
60	static SV *newSVcacheint (int val)	91	static SV *newSVcacheint (int val)
61	{	92	{
62	static SV *cache[32];	93	static SV *cache[32];
63		94
64	if (val < 0 \|\| val >= sizeof (cache))	95	if (expect_false (val < 0 \|\| val >= sizeof (cache)))
65	return newSViv (val);	96	return newSViv (val);
66		97
67	if (!cache [val])	98	if (expect_false (!cache [val]))
68	{	99	{
69	cache [val] = newSVuv (val);	100	cache [val] = newSVuv (val);
70	SvREADONLY_on (cache [val]);	101	SvREADONLY_on (cache [val]);
71	}	102	}
72		103
73	return SvREFCNT_inc_NN (cache [val]);	104	return SvREFCNT_inc_NN (cache [val]);
74	}	105	}
75		106
76	/////////////////////////////////////////////////////////////////////////////	107	/////////////////////////////////////////////////////////////////////////////
		108	// decoder
77		109
78	static void	110	static void
79	error (const char *errmsg)	111	error (const char *errmsg)
80	{	112	{
81	croak ("%s at offset 0x%04x", errmsg, cur - buf);	113	croak ("%s at offset 0x%04x", errmsg, cur - buf);
82	}	114	}
83		115
84	static int	116	static void
85	need (int count)	117	want (UV count)
86	{	118	{
87	if (count < 0 \|\| (int)rem < count)	119	if (expect_false ((uintptr_t)(end - cur) < count))
88	{
89	error ("unexpected end of message buffer");	120	error ("unexpected end of message buffer");
90	return 0;
91	}
92
93	return 1;
94	}	121	}
95		122
96	// get_* functions fetch something from the buffer	123	// get_* functions fetch something from the buffer
97	// decode_* functions use get_* fun ctions to decode ber values	124	// decode_* functions use get_* fun ctions to decode ber values
98		125
		126	// get n octets
99	static U8 *	127	static U8 *
100	get_n (int count, const U8 *errres)	128	get_n (UV count)
101	{	129	{
102	if (!need (count))	130	want (count);
103	return (U8 *)errres;
104
105	U8 *res = cur;	131	U8 *res = cur;
106
107	cur += count;	132	cur += count;
108	rem -= count;
109
110	return res;	133	return res;
111	}	134	}
112		135
		136	// get single octet
113	static U8	137	static U8
114	get_u8 (void)	138	get_u8 (void)
115	{	139	{
116	if (rem <= 0)	140	if (cur == end)
117	{
118	error ("unexpected end of message buffer");	141	error ("unexpected end of message buffer");
119	return 0;
120	}
121		142
122	rem--;
123	return *cur++;	143	return *cur++;
124	}	144	}
125		145
		146	// get ber-encoded integer (i.e. pack "w")
126	static U32	147	static U32
127	get_ber (void)	148	get_w (void)
128	{	149	{
129	U32 res = 0;	150	U32 res = 0;
130		151
131	for (;;)	152	for (;;)
132	{	153	{
…		…
177	{	198	{
178	error ("INTEGER32 length equal to zero");	199	error ("INTEGER32 length equal to zero");
179	return 0;	200	return 0;
180	}	201	}
181		202
182	U8 *data = get_n (length, 0);	203	U8 *data = get_n (length);
183
184	if (!data)
185	return 0;
186		204
187	if (length > 5 \|\| (length > 4 && data [0]))	205	if (length > 5 \|\| (length > 4 && data [0]))
188	{	206	{
189	error ("INTEGER32 length too long");	207	error ("INTEGER32 length too long");
190	return 0;	208	return 0;
…		…
221	{	239	{
222	error ("INTEGER64 length equal to zero");	240	error ("INTEGER64 length equal to zero");
223	return 0;	241	return 0;
224	}	242	}
225		243
226	U8 *data = get_n (length, 0);	244	U8 *data = get_n (length);
227
228	if (!data)
229	return 0;
230		245
231	if (length > 9 \|\| (length > 8 && data [0]))	246	if (length > 9 \|\| (length > 8 && data [0]))
232	{	247	{
233	error ("INTEGER64 length too long");	248	error ("INTEGER64 length too long");
234	return 0;	249	return 0;
…		…
258		273
259	static SV *	274	static SV *
260	decode_octet_string (void)	275	decode_octet_string (void)
261	{	276	{
262	U32 length = get_length ();	277	U32 length = get_length ();
263
264	U8 *data = get_n (length, 0);	278	U8 *data = get_n (length);
265	if (!data)
266	{
267	error ("OCTET STRING too long");
268	return &PL_sv_undef;
269	}
270
271	return newSVpvn (data, length);	279	return newSVpvn (data, length);
272	}	280	}
273		281
274	// gelper for decode_object_identifier	282	// gelper for decode_object_identifier
275	static char *	283	static char *
…		…
311	error ("OBJECT IDENTIFIER length equal to zero");	319	error ("OBJECT IDENTIFIER length equal to zero");
312	return &PL_sv_undef;	320	return &PL_sv_undef;
313	}	321	}
314		322
315	U8 *end = cur + length;	323	U8 *end = cur + length;
316	U32 w = get_ber ();	324	U32 w = get_w ();
317		325
318	static char oid[MAX_OID_STRLEN]; // must be static	326	static char oid[MAX_OID_STRLEN]; // must be static
319	char *app = oid;	327	char *app = oid;
320		328
321	app = write_uv (app, (U8)w / 40);	329	app = write_uv (app, (U8)w / 40);
…		…
323	app = write_uv (app, (U8)w % 40);	331	app = write_uv (app, (U8)w % 40);
324		332
325	// we assume an oid component is never > 64 bytes	333	// we assume an oid component is never > 64 bytes
326	while (cur < end && oid + sizeof (oid) - app > 64)	334	while (cur < end && oid + sizeof (oid) - app > 64)
327	{	335	{
328	w = get_ber ();	336	w = get_w ();
329	*app++ = '.';	337	*app++ = '.';
330	app = write_uv (app, w);	338	app = write_uv (app, w);
331	}	339	}
332		340
333	return newSVpvn (oid, app - oid);	341	return newSVpvn (oid, app - oid);
…		…
343	int constructed = identifier & ASN_CONSTRUCTED;	351	int constructed = identifier & ASN_CONSTRUCTED;
344	int klass = identifier & ASN_CLASS_MASK;	352	int klass = identifier & ASN_CLASS_MASK;
345	int tag = identifier & ASN_TAG_MASK;	353	int tag = identifier & ASN_TAG_MASK;
346		354
347	if (tag == ASN_TAG_BER)	355	if (tag == ASN_TAG_BER)
348	tag = get_ber ();	356	tag = get_w ();
349		357
350	if (tag == ASN_TAG_BER)	358	if (tag == ASN_TAG_BER)
351	tag = get_ber ();	359	tag = get_w ();
352		360
353	if (constructed)	361	if (constructed)
354	{	362	{
355	U32 len = get_length ();	363	U32 len = get_length ();
356	U32 seqend = (cur - buf) + len;	364	U32 seqend = (cur - buf) + len;
…		…
377		385
378	case ASN_INTEGER32:	386	case ASN_INTEGER32:
379	res = decode_integer32 ();	387	res = decode_integer32 ();
380	break;	388	break;
381		389
382	case ASN_APPLICATION \| ASN_UNSIGNED32:	390	case ASN_APPLICATION \| SNMP_UNSIGNED32:
383	case ASN_APPLICATION \| ASN_COUNTER32:	391	case ASN_APPLICATION \| SNMP_COUNTER32:
384	case ASN_APPLICATION \| ASN_TIMETICKS:	392	case ASN_APPLICATION \| SNMP_TIMETICKS:
385	res = decode_unsigned32 ();	393	res = decode_unsigned32 ();
386	break;	394	break;
387		395
388	#if 0 // handled by default case	396	#if 0 // handled by default case
389	case ASN_OCTET_STRING:	397	case ASN_OCTET_STRING:
…		…
391	case ASN_APPLICATION \| ASN_OPAQUE:	399	case ASN_APPLICATION \| ASN_OPAQUE:
392	res = decode_octet_string ();	400	res = decode_octet_string ();
393	break;	401	break;
394	#endif	402	#endif
395		403
396	case ASN_APPLICATION \| ASN_COUNTER64:	404	case ASN_APPLICATION \| SNMP_COUNTER64:
397	res = decode_integer64 ();	405	res = decode_integer64 ();
398	break;	406	break;
399		407
400	default:	408	default:
401	res = decode_octet_string ();	409	res = decode_octet_string ();
…		…
409	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);	417	AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0);
410	AvARRAY (av)[BER_DATA ] = res;	418	AvARRAY (av)[BER_DATA ] = res;
411		419
412	return newRV_noinc ((SV *)av);	420	return newRV_noinc ((SV *)av);
413	}	421	}
		422
		423	/////////////////////////////////////////////////////////////////////////////
		424	// encoder
		425
		426	/* adds two STRLENs together, slow, and with paranoia */
		427	static STRLEN
		428	strlen_sum (STRLEN l1, STRLEN l2)
		429	{
		430	size_t sum = l1 + l2;
		431
		432	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
		433	croak ("JSON::XS: string size overflow");
		434
		435	return sum;
		436	}
		437
		438	static void
		439	set_buf (SV *sv)
		440	{
		441	STRLEN len;
		442	buf_sv = sv;
		443	buf = SvPVbyte (buf_sv, len);
		444	cur = buf;
		445	end = buf + len;
		446	}
		447
		448	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
		449	static char *
		450	my_sv_grow (SV *sv, size_t len1, size_t len2)
		451	{
		452	len1 = strlen_sum (len1, len2);
		453	len1 = strlen_sum (len1, len1 >> 1);
		454
		455	if (len1 > 4096 - 24)
		456	len1 = (len1 \| 4095) - 24;
		457
		458	return SvGROW (sv, len1);
		459	}
		460
		461	static void
		462	need (STRLEN len)
		463	{
		464	if (expect_false ((uintptr_t)(end - cur) < len))
		465	{
		466	STRLEN pos = cur - buf;
		467	buf = my_sv_grow (buf_sv, pos, len);
		468	cur = buf + pos;
		469	end = buf + SvLEN (buf_sv) - 1;
		470	}
		471	}
		472
		473	static void
		474	put_u8 (int val)
		475	{
		476	need (1);
		477	*cur++ = val;
		478	}
		479
		480	static void
		481	put_w_nocheck (U32 val)
		482	{
		483	cur = (val >> 7 4) \| 0x80; cur += val >= (1 << (7 * 4));
		484	cur = (val >> 7 3) \| 0x80; cur += val >= (1 << (7 * 3));
		485	cur = (val >> 7 2) \| 0x80; cur += val >= (1 << (7 * 2));
		486	cur = (val >> 7 1) \| 0x80; cur += val >= (1 << (7 * 1));
		487	*cur = val & 0x7f; cur += 1;
		488	}
		489
		490	static void
		491	put_w (U32 val)
		492	{
		493	need (5); // we only handle up to 5 bytes
		494
		495	put_w_nocheck (val);
		496	}
		497
		498	static U8 *
		499	put_length_at (U32 val, U8 *cur)
		500	{
		501	if (val < 0x7fU)
		502	*cur++ = val;
		503	else
		504	{
		505	U8 *lenb = cur++;
		506
		507	cur = val >> 24; cur += cur > 0;
		508	cur = val >> 16; cur += cur > 0;
		509	cur = val >> 8; cur += cur > 0;
		510	*cur = val ; cur += 1;
		511
		512	*lenb = 0x80 + cur - lenb - 1;
		513	}
		514
		515	return cur;
		516	}
		517
		518	static void
		519	put_length (U32 val)
		520	{
		521	need (5);
		522	cur = put_length_at (val, cur);
		523	}
		524
		525	// return how many bytes the encoded length requires
		526	static int length_length (U32 val)
		527	{
		528	return val < 0x7fU
		529	? 1
		530	: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU);
		531	}
		532
		533	static void
		534	encode_octet_string (SV *sv)
		535	{
		536	STRLEN len;
		537	char *ptr = SvPVbyte (sv, len);
		538
		539	put_length (len);
		540	need (len);
		541	memcpy (cur, ptr, len);
		542	cur += len;
		543	}
		544
		545	static void
		546	encode_integer32 (IV iv)
		547	{
		548	need (5);
		549
		550	U8 *lenb = cur++;
		551
		552	if (iv < 0)
		553	{
		554	// get two's complement bit pattern - works even on hypthetical non-2c machines
		555	U32 uv = iv;
		556
		557	*cur = uv >> 24; cur += !!(~uv & 0xff800000U);
		558	*cur = uv >> 16; cur += !!(~uv & 0xffff8000U);
		559	*cur = uv >> 8; cur += !!(~uv & 0xffffff80U);
		560	*cur = uv ; cur += 1;
		561	}
		562	else
		563	{
		564	cur = iv >> 24; cur += cur > 0;
		565	cur = iv >> 16; cur += cur > 0;
		566	cur = iv >> 8; cur += cur > 0;
		567	*cur = iv ; cur += 1;
		568	}
		569
		570	*lenb = cur - lenb - 1;
		571	}
		572
		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
		593	// assume the length will need one octet later. if that
		594	// turns out to be wrong, we memove as needed.
		595	// mark the beginning
		596	static STRLEN
		597	len_fixup_mark ()
		598	{
		599	return cur++ - buf;
		600	}
		601
		602	// patch up the length
		603	static void
		604	len_fixup (STRLEN mark)
		605	{
		606	STRLEN reallen = (cur - buf) - mark - 1;
		607	int lenlen = length_length (reallen);
		608
		609	if (expect_false (lenlen > 1))
		610	{
		611	// bad luck, we have to shift the bytes to make room for the length
		612	need (5);
		613	memmove (buf + mark + lenlen, buf + mark + 1, reallen);
		614	cur += lenlen - 1;
		615	}
		616
		617	put_length_at (reallen, buf + mark);
		618	}
		619
		620	static char *
		621	read_uv (char str, UV uv)
		622	{
		623	UV r = 0;
		624
		625	while (*str >= '0')
		626	r = r * 10 + *str++ - '0';
		627
		628	*uv = r;
		629
		630	str += !!*str; // advance over any non-zero byte
		631
		632	return str;
		633	}
		634
		635	static void
		636	encode_object_identifier (SV *oid)
		637	{
		638	STRLEN slen;
		639	char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter
		640
		641	// we need at most as many octets as the string form
		642	need (slen + 1);
		643	STRLEN mark = len_fixup_mark ();
		644
		645	UV w1, w2;
		646
		647	ptr = read_uv (ptr, &w1);
		648	ptr = read_uv (ptr, &w2);
		649
		650	put_w_nocheck (w1 * 40 + w2);
		651
		652	while (*ptr)
		653	{
		654	ptr = read_uv (ptr, &w1);
		655	put_w_nocheck (w1);
		656	}
		657
		658	len_fixup (mark);
		659	}
		660
		661	static void
		662	encode_ber (SV *tuple)
		663	{
		664	if (expect_false (!SvROK (tuple) \|\| SvTYPE (SvRV (tuple)) != SVt_PVAV))
		665	croak ("BER tuple must be array-reference");
		666
		667	AV av = (AV )SvRV (tuple);
		668
		669	if (expect_false (SvRMAGICAL (av)))
		670	croak ("BER tuple must not be tied");
		671
		672	if (expect_false (AvFILL (av) != BER_ARRAYSIZE - 1))
		673	croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL (av) + 1);
		674
		675	int klass = SvIV (AvARRAY (av)[BER_CLASS]);
		676	int tag = SvIV (AvARRAY (av)[BER_TAG]);
		677	int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0;
		678	SV *data = AvARRAY (av)[BER_DATA];
		679
		680	int identifier = (klass << ASN_CLASS_SHIFT) \| constructed;
		681
		682	if (expect_false (tag >= ASN_TAG_BER))
		683	{
		684	put_u8 (identifier \| ASN_TAG_BER);
		685	put_w (tag);
		686	}
		687	else
		688	put_u8 (identifier \| tag);
		689
		690	if (constructed)
		691	{
		692	// we optimistically assume that only one length byte is needed
		693	// and adjust later
		694	need (1);
		695	STRLEN mark = len_fixup_mark ();
		696
		697	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
		698	croak ("BER constructed data must be array-reference");
		699
		700	AV av = (AV )SvRV (data);
		701	int fill = AvFILL (av);
		702
		703	if (expect_false (SvRMAGICAL (av)))
		704	croak ("BER constructed data must not be tied");
		705
		706	for (int i = 0; i <= fill; ++i)
		707	encode_ber (AvARRAY (av)[i]);
		708
		709	len_fixup (mark);
		710	}
		711	else
		712	switch (identifier \| tag)
		713	{
		714	case ASN_NULL:
		715	put_length (0);
		716	break;
		717
		718	case ASN_OBJECT_IDENTIFIER:
		719	encode_object_identifier (data);
		720	break;
		721
		722	case ASN_INTEGER32:
		723	encode_integer32 (SvIV (data));
		724	break;
		725
		726	case ASN_APPLICATION \| SNMP_UNSIGNED32:
		727	case ASN_APPLICATION \| SNMP_COUNTER32:
		728	case ASN_APPLICATION \| SNMP_TIMETICKS:
		729	case ASN_APPLICATION \| SNMP_COUNTER64:
		730	encode_unsigned64 (SvUV (data));
		731	break;
		732
		733	default:
		734	encode_octet_string (data);
		735	break;
		736	}
		737
		738	}
		739
		740	/////////////////////////////////////////////////////////////////////////////
414		741
415	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS	742	MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS
416		743
417	PROTOTYPES: ENABLE	744	PROTOTYPES: ENABLE
418		745
…		…
438	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },	765	{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT },
439	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },	766	{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT },
440	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },	767	{ "ASN_CLASS_MASK", ASN_CLASS_MASK },
441	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },	768	{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT },
442	{ "ASN_SEQUENCE", ASN_SEQUENCE },	769	{ "ASN_SEQUENCE", ASN_SEQUENCE },
443	{ "ASN_IPADDRESS", ASN_IPADDRESS },	770	{ "SNMP_IPADDRESS", SNMP_IPADDRESS },
444	{ "ASN_COUNTER32", ASN_COUNTER32 },	771	{ "SNMP_COUNTER32", SNMP_COUNTER32 },
445	{ "ASN_UNSIGNED32", ASN_UNSIGNED32 },	772	{ "SNMP_UNSIGNED32", SNMP_UNSIGNED32 },
446	{ "ASN_TIMETICKS", ASN_TIMETICKS },	773	{ "SNMP_TIMETICKS", SNMP_TIMETICKS },
447	{ "ASN_OPAQUE", ASN_OPAQUE },	774	{ "SNMP_OPAQUE", SNMP_OPAQUE },
448	{ "ASN_COUNTER64", ASN_COUNTER64 },	775	{ "SNMP_COUNTER64", SNMP_COUNTER64 },
449		776
450	{ "BER_CLASS" , BER_CLASS },	777	{ "BER_CLASS" , BER_CLASS },
451	{ "BER_TAG" , BER_TAG },	778	{ "BER_TAG" , BER_TAG },
452	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },	779	{ "BER_CONSTRUCTED", BER_CONSTRUCTED },
453	{ "BER_DATA" , BER_DATA },	780	{ "BER_DATA" , BER_DATA },
…		…
459		786
460	SV *	787	SV *
461	ber_decode (SV *ber)	788	ber_decode (SV *ber)
462	CODE:	789	CODE:
463	{	790	{
		791	STRLEN len;
		792
464	buf = SvPVbyte (ber, len);	793	buf = SvPVbyte (ber, len);
465	cur = buf;	794	cur = buf;
466	rem = len;	795	end = buf + len;
467		796
468	RETVAL = decode_ber ();	797	RETVAL = decode_ber ();
469	}	798	}
470	OUTPUT: RETVAL	799	OUTPUT: RETVAL
471		800
…		…
490	? &PL_sv_yes : &PL_sv_no);	819	? &PL_sv_yes : &PL_sv_no);
491	}	820	}
492		821
493	void	822	void
494	ber_is_seq (SV *tuple)	823	ber_is_seq (SV *tuple)
495	PROTOTYPE: $
496	PPCODE:	824	PPCODE:
497	{	825	{
498	if (!SvOK (tuple))	826	if (!SvOK (tuple))
499	XSRETURN_UNDEF;	827	XSRETURN_UNDEF;
500		828
…		…
510	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);	838	? AvARRAY (av)[BER_DATA] : &PL_sv_undef);
511	}	839	}
512		840
513	void	841	void
514	ber_is_i32 (SV *tuple, IV value)	842	ber_is_i32 (SV *tuple, IV value)
515	PROTOTYPE: $$
516	PPCODE:	843	PPCODE:
517	{	844	{
518	if (!SvOK (tuple))	845	if (!SvOK (tuple))
519	XSRETURN_NO;	846	XSRETURN_NO;
520		847
…		…
531	? &PL_sv_yes : &PL_sv_no);	858	? &PL_sv_yes : &PL_sv_no);
532	}	859	}
533		860
534	void	861	void
535	ber_is_oid (SV tuple, SV oid)	862	ber_is_oid (SV tuple, SV oid)
536	PROTOTYPE: $$
537	PPCODE:	863	PPCODE:
538	{	864	{
539	if (!SvOK (tuple))	865	if (!SvOK (tuple))
540	XSRETURN_NO;	866	XSRETURN_NO;
541		867
…		…
550	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])	876	&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED])
551	&& sv_eq (AvARRAY (av)[BER_DATA], oid)	877	&& sv_eq (AvARRAY (av)[BER_DATA], oid)
552	? &PL_sv_yes : &PL_sv_no);	878	? &PL_sv_yes : &PL_sv_no);
553	}	879	}
554		880
		881	#############################################################################
		882
		883	void
		884	ber_encode (SV *tuple)
		885	PPCODE:
		886	{
		887	buf_sv = sv_2mortal (NEWSV (0, 256));
		888	SvPOK_only (buf_sv);
		889	set_buf (buf_sv);
		890
		891	encode_ber (tuple);
		892
		893	SvCUR_set (buf_sv, cur - buf);
		894	XPUSHs (buf_sv);
		895	}
		896

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.2 by root, Fri Apr 19 16:49:02 2019 UTC vs. Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.2 by root, Fri Apr 19 16:49:02 2019 UTC vs.
Revision 1.3 by root, Fri Apr 19 19:46:29 2019 UTC