| … | |
… | |
| 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 | |
6 | |
| 7 | #define ASN_BOOLEAN 0x01 |
|
|
| 8 | #define ASN_INTEGER 0x02 |
|
|
| 9 | #define ASN_BIT_STR 0x03 |
|
|
| 10 | #define ASN_OCTET_STR 0x04 |
|
|
| 11 | #define ASN_NULL 0x05 |
|
|
| 12 | #define ASN_OBJECT_ID 0x06 |
|
|
| 13 | #define ASN_SEQUENCE 0x10 |
|
|
| 14 | #define ASN_SET 0x11 |
|
|
| 15 | |
|
|
| 16 | #define ASN_UNIVERSAL 0x00 |
|
|
| 17 | #define ASN_APPLICATION 0x40 |
|
|
| 18 | #define ASN_CONTEXT 0x80 |
|
|
| 19 | #define ASN_PRIVATE 0xc0 |
|
|
| 20 | |
|
|
| 21 | #define ASN_PRIMITIVE 0x00 |
|
|
| 22 | #define ASN_CONSTRUCTOR 0x20 |
|
|
| 23 | |
|
|
| 24 | #define ASN_LONG_LEN 0x80 |
|
|
| 25 | #define ASN_EXTENSION_ID 0x1f |
|
|
| 26 | #define ASN_BIT8 0x80 |
|
|
| 27 | |
|
|
| 28 | //#define BENCHMARK |
7 | //#define BENCHMARK |
| 29 | |
8 | |
|
|
9 | enum { |
|
|
10 | // ASN_TAG |
|
|
11 | ASN_BOOLEAN = 0x01, |
|
|
12 | ASN_INTEGER32 = 0x02, |
|
|
13 | ASN_BIT_STRING = 0x03, |
|
|
14 | ASN_OCTET_STRING = 0x04, |
|
|
15 | ASN_NULL = 0x05, |
|
|
16 | ASN_OBJECT_IDENTIFIER = 0x06, |
|
|
17 | ASN_SEQUENCE = 0x10, |
|
|
18 | |
|
|
19 | ASN_TAG_BER = 0x1f, |
|
|
20 | ASN_TAG_MASK = 0x1f, |
|
|
21 | |
|
|
22 | // primitive/constructed |
|
|
23 | ASN_CONSTRUCTED = 0x20, |
|
|
24 | |
|
|
25 | // ASN_CLASS |
|
|
26 | ASN_UNIVERSAL = 0x00, |
|
|
27 | ASN_APPLICATION = 0x40, |
|
|
28 | ASN_CONTEXT = 0x80, |
|
|
29 | ASN_PRIVATE = 0xc0, |
|
|
30 | |
|
|
31 | ASN_CLASS_MASK = 0xc0, |
|
|
32 | ASN_CLASS_SHIFT = 6, |
|
|
33 | |
|
|
34 | // ASN_APPLICATION |
|
|
35 | ASN_IPADDRESS = 0x00, |
|
|
36 | ASN_COUNTER32 = 0x01, |
|
|
37 | ASN_UNSIGNED32 = 0x02, |
|
|
38 | ASN_TIMETICKS = 0x03, |
|
|
39 | ASN_OPAQUE = 0x04, |
|
|
40 | ASN_COUNTER64 = 0x06, |
|
|
41 | }; |
|
|
42 | |
|
|
43 | #define MAX_OID_STRLEN 4096 |
|
|
44 | |
|
|
45 | #define HAVE_VERSIONSORT defined (_GNU_SOURCE) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 |
|
|
46 | |
|
|
47 | static SV *cur_bufobj; |
| 30 | static SV *msg; |
48 | static SV *msg, *bufsv; |
| 31 | static int errflag; |
49 | static int errflag, leading_dot; |
| 32 | static U8 *buf, *cur; |
50 | static U8 *buf, *cur; |
| 33 | static STRLEN len, rem; |
51 | static STRLEN len, rem; |
| 34 | |
52 | |
|
|
53 | typedef SV *BUFOBJ; |
|
|
54 | |
|
|
55 | ///////////////////////////////////////////////////////////////////////////// |
|
|
56 | |
|
|
57 | #if 0 |
|
|
58 | if (msg) |
|
|
59 | croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
|
|
60 | |
|
|
61 | |
|
|
62 | void |
|
|
63 | clr_msg () |
|
|
64 | CODE: |
|
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65 | SvREFCNT_dec (msg); msg = 0; |
|
|
66 | buf = cur = (U8 *)""; |
|
|
67 | len = rem = 0; |
|
|
68 | #endif |
|
|
69 | |
| 35 | static void |
70 | static void |
|
|
71 | clear_bufobj (void) |
|
|
72 | { |
|
|
73 | // serialise our state back |
|
|
74 | if (msg && SvROK (msg)) |
|
|
75 | { |
|
|
76 | SV *idx_sv = *hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1); |
|
|
77 | sv_setiv (idx_sv, cur - buf); |
|
|
78 | } |
|
|
79 | |
|
|
80 | SvREFCNT_dec (msg); |
|
|
81 | msg = 0; |
|
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82 | cur_bufobj = 0; |
|
|
83 | } |
|
|
84 | |
|
|
85 | static void |
|
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86 | switch_bufobj (BUFOBJ neu) |
|
|
87 | { |
|
|
88 | clear_bufobj (); |
|
|
89 | |
|
|
90 | msg = newSVsv (neu); |
|
|
91 | cur_bufobj = SvRV (msg); |
|
|
92 | sv_rvweaken (msg); |
|
|
93 | |
|
|
94 | errflag = 0; |
|
|
95 | leading_dot = -1; |
|
|
96 | |
|
|
97 | IV index = SvIV (*hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1)); |
|
|
98 | bufsv = *hv_fetch ((HV *)cur_bufobj, "_buffer", sizeof ("_buffer") - 1, 1); |
|
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99 | |
|
|
100 | buf = SvPVbyte (bufsv, len); |
|
|
101 | cur = buf + index; |
|
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102 | rem = len - index; |
|
|
103 | } |
|
|
104 | |
|
|
105 | ///////////////////////////////////////////////////////////////////////////// |
|
|
106 | |
|
|
107 | static SV * |
|
|
108 | x_get_cv (SV *cb_sv) |
|
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109 | { |
|
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110 | HV *st; |
|
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111 | GV *gvp; |
|
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112 | CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
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113 | |
|
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114 | if (!cv) |
|
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115 | croak ("CODE reference expected"); |
|
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116 | |
|
|
117 | return (SV *)cv; |
|
|
118 | } |
|
|
119 | |
|
|
120 | static void |
| 36 | error (const char *msg) |
121 | error (const char *errmsg) |
| 37 | { |
122 | { |
| 38 | errflag = 1; |
123 | errflag = 1; |
| 39 | |
124 | |
| 40 | printf ("<<<%s>>>\n", msg);//D |
125 | if (!msg) |
|
|
126 | croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
|
|
127 | |
|
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128 | dSP; |
|
|
129 | PUSHMARK (SP); |
|
|
130 | EXTEND (SP, 2); |
|
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131 | PUSHs (msg); |
|
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132 | PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
|
|
133 | PUTBACK; |
|
|
134 | call_method ("_error", G_VOID | G_DISCARD); |
| 41 | } |
135 | } |
| 42 | |
136 | |
| 43 | static int |
137 | static int |
| 44 | need (int count) |
138 | need (int count) |
| 45 | { |
139 | { |
| … | |
… | |
| 134 | } |
228 | } |
| 135 | |
229 | |
| 136 | return res; |
230 | return res; |
| 137 | } |
231 | } |
| 138 | |
232 | |
|
|
233 | static U32 |
|
|
234 | process_integer32 (void) |
|
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235 | { |
|
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236 | U32 length = process_length (); |
|
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237 | |
|
|
238 | if (length <= 0) |
|
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239 | { |
|
|
240 | error ("INTEGER32 length equal to zero"); |
|
|
241 | return 0; |
|
|
242 | } |
|
|
243 | |
|
|
244 | U8 *data = getn (length, 0); |
|
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245 | |
|
|
246 | if (!data) |
|
|
247 | return 0; |
|
|
248 | |
|
|
249 | if (length > 5 || (length > 4 && data [0])) |
|
|
250 | { |
|
|
251 | error ("INTEGER32 length too long"); |
|
|
252 | return 0; |
|
|
253 | } |
|
|
254 | |
|
|
255 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
|
|
256 | |
|
|
257 | while (length--) |
|
|
258 | res = (res << 8) | *data++; |
|
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259 | |
|
|
260 | return res; |
|
|
261 | } |
|
|
262 | |
|
|
263 | static SV * |
|
|
264 | process_integer32_sv (void) |
|
|
265 | { |
|
|
266 | return newSViv ((I32)process_integer32 ()); |
|
|
267 | } |
|
|
268 | |
|
|
269 | static SV * |
|
|
270 | process_unsigned32_sv (void) |
|
|
271 | { |
|
|
272 | return newSVuv ((U32)process_integer32 ()); |
|
|
273 | } |
|
|
274 | |
|
|
275 | #if IVSIZE >= 8 |
|
|
276 | |
|
|
277 | static U64TYPE |
|
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278 | process_integer64 (void) |
|
|
279 | { |
|
|
280 | U32 length = process_length (); |
|
|
281 | |
|
|
282 | if (length <= 0) |
|
|
283 | { |
|
|
284 | error ("INTEGER64 length equal to zero"); |
|
|
285 | return 0; |
|
|
286 | } |
|
|
287 | |
|
|
288 | U8 *data = getn (length, 0); |
|
|
289 | |
|
|
290 | if (!data) |
|
|
291 | return 0; |
|
|
292 | |
|
|
293 | if (length > 8 + !data [0]) |
|
|
294 | { |
|
|
295 | error ("INTEGER64 length too long"); |
|
|
296 | return 0; |
|
|
297 | } |
|
|
298 | |
|
|
299 | U64TYPE res = data [0] & 0x80 ? -1 : 0; |
|
|
300 | |
|
|
301 | while (length--) |
|
|
302 | res = (res << 8) | *data++; |
|
|
303 | |
|
|
304 | return res; |
|
|
305 | } |
|
|
306 | |
|
|
307 | static SV * |
|
|
308 | process_integer64_sv (void) |
|
|
309 | { |
|
|
310 | return newSViv ((I64TYPE)process_integer64 ()); |
|
|
311 | } |
|
|
312 | |
|
|
313 | static SV * |
|
|
314 | process_unsigned64_sv (void) |
|
|
315 | { |
|
|
316 | return newSVuv ((U64TYPE)process_integer64 ()); |
|
|
317 | } |
|
|
318 | |
|
|
319 | #endif |
|
|
320 | |
|
|
321 | static SV * |
|
|
322 | process_octet_string_sv (void) |
|
|
323 | { |
|
|
324 | U32 length = process_length (); |
|
|
325 | |
|
|
326 | U8 *data = getn (length, 0); |
|
|
327 | if (!data) |
|
|
328 | { |
|
|
329 | error ("OCTET STRING too long"); |
|
|
330 | return &PL_sv_undef; |
|
|
331 | } |
|
|
332 | |
|
|
333 | return newSVpvn (data, length); |
|
|
334 | } |
|
|
335 | |
|
|
336 | static char * |
|
|
337 | write_uv (char *buf, U32 u) |
|
|
338 | { |
|
|
339 | // the one-digit case is absolutely predominant, so this pays off (hopefully) |
|
|
340 | if (u < 10) |
|
|
341 | *buf++ = u + '0'; |
|
|
342 | else |
|
|
343 | { |
|
|
344 | // this *could* be done much faster using branchless fixed-point arithmetics |
|
|
345 | char *beg = buf; |
|
|
346 | |
|
|
347 | do |
|
|
348 | { |
|
|
349 | *buf++ = u % 10 + '0'; |
|
|
350 | u /= 10; |
|
|
351 | } |
|
|
352 | while (u); |
|
|
353 | |
|
|
354 | // reverse digits |
|
|
355 | char *ptr = buf; |
|
|
356 | while (--ptr > beg) |
|
|
357 | { |
|
|
358 | char c = *ptr; |
|
|
359 | *ptr = *beg; |
|
|
360 | *beg = c; |
|
|
361 | ++beg; |
|
|
362 | } |
|
|
363 | } |
|
|
364 | |
|
|
365 | return buf; |
|
|
366 | } |
|
|
367 | |
|
|
368 | static SV * |
|
|
369 | process_object_identifier_sv (void) |
|
|
370 | { |
|
|
371 | U32 length = process_length (); |
|
|
372 | |
|
|
373 | if (length <= 0) |
|
|
374 | { |
|
|
375 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
|
376 | return &PL_sv_undef; |
|
|
377 | } |
|
|
378 | |
|
|
379 | U8 *end = cur + length; |
|
|
380 | U32 w = getb (); |
|
|
381 | |
|
|
382 | static char oid[MAX_OID_STRLEN]; // must be static |
|
|
383 | char *app = oid; |
|
|
384 | |
|
|
385 | if (leading_dot < 0) |
|
|
386 | leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
|
|
387 | |
|
|
388 | *app = '.'; app += ! ! leading_dot; |
|
|
389 | |
|
|
390 | { |
|
|
391 | UV w1, w2; |
|
|
392 | |
|
|
393 | if (w < 2 * 40) |
|
|
394 | (w1 = w / 40), (w2 = w % 40); |
|
|
395 | else |
|
|
396 | (w1 = 2), (w2 = w - 2 * 40); |
|
|
397 | |
|
|
398 | app = write_uv (app, w1); |
|
|
399 | *app++ = '.'; |
|
|
400 | app = write_uv (app, w2); |
|
|
401 | } |
|
|
402 | |
|
|
403 | // we assume an oid component is never > 64 bytes |
|
|
404 | while (cur < end && oid + sizeof (oid) - app > 64) |
|
|
405 | { |
|
|
406 | w = getb (); |
|
|
407 | *app++ = '.'; |
|
|
408 | app = write_uv (app, w); |
|
|
409 | } |
|
|
410 | |
|
|
411 | return newSVpvn (oid, app - oid); |
|
|
412 | } |
|
|
413 | |
|
|
414 | static AV *av_type; |
|
|
415 | |
|
|
416 | static SV * |
|
|
417 | process_sv (int *found) |
|
|
418 | { |
|
|
419 | int type = get8 (); |
|
|
420 | |
|
|
421 | *found = type; |
|
|
422 | |
|
|
423 | SV *res; |
|
|
424 | |
|
|
425 | switch (type) |
|
|
426 | { |
|
|
427 | case ASN_OBJECT_IDENTIFIER: |
|
|
428 | res = process_object_identifier_sv (); |
|
|
429 | break; |
|
|
430 | |
|
|
431 | case ASN_INTEGER32: |
|
|
432 | res = process_integer32_sv (); |
|
|
433 | break; |
|
|
434 | |
|
|
435 | case ASN_APPLICATION | ASN_UNSIGNED32: |
|
|
436 | case ASN_APPLICATION | ASN_COUNTER32: |
|
|
437 | case ASN_APPLICATION | ASN_TIMETICKS: |
|
|
438 | res = process_unsigned32_sv (); |
|
|
439 | break; |
|
|
440 | |
|
|
441 | case ASN_SEQUENCE | ASN_CONSTRUCTED: |
|
|
442 | res = newSVuv (process_length ()); |
|
|
443 | break; |
|
|
444 | |
|
|
445 | case ASN_OCTET_STRING: |
|
|
446 | case ASN_APPLICATION | ASN_OPAQUE: |
|
|
447 | res = process_octet_string_sv (); |
|
|
448 | break; |
|
|
449 | |
|
|
450 | default: |
|
|
451 | { |
|
|
452 | if (type > AvFILLp (av_type) |
|
|
453 | || AvARRAY (av_type)[type] == 0 |
|
|
454 | || AvARRAY (av_type)[type] == &PL_sv_undef) |
|
|
455 | { |
|
|
456 | error ("Unknown ASN.1 type"); |
|
|
457 | return &PL_sv_undef; |
|
|
458 | } |
|
|
459 | |
|
|
460 | dSP; |
|
|
461 | PUSHMARK (SP); |
|
|
462 | EXTEND (SP, 2); |
|
|
463 | PUSHs (msg); |
|
|
464 | PUSHs (sv_2mortal (newSViv (type))); |
|
|
465 | PUTBACK; |
|
|
466 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
|
|
467 | SPAGAIN; |
|
|
468 | res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
|
|
472 | return errflag ? &PL_sv_undef : res; |
|
|
473 | } |
|
|
474 | |
|
|
475 | ///////////////////////////////////////////////////////////////////////////// |
|
|
476 | |
|
|
477 | #if HAVE_VERSIONSORT |
|
|
478 | |
|
|
479 | static int |
|
|
480 | oid_lex_cmp (const void *a_, const void *b_) |
|
|
481 | { |
|
|
482 | const char *a = SvPVX (*(SV **)a_); |
|
|
483 | const char *b = SvPVX (*(SV **)b_); |
|
|
484 | |
|
|
485 | a += *a == '.'; |
|
|
486 | b += *b == '.'; |
|
|
487 | |
|
|
488 | return strverscmp (a, b); |
|
|
489 | } |
|
|
490 | |
|
|
491 | #endif |
|
|
492 | |
| 139 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
493 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
| 140 | |
494 | |
|
|
495 | PROTOTYPES: ENABLE |
|
|
496 | |
|
|
497 | BOOT: |
|
|
498 | av_type = newAV (); |
|
|
499 | |
| 141 | void |
500 | void |
| 142 | set_msg (SV *msg_, SV *buf_) |
501 | set_type (int type, SV *cv) |
| 143 | CODE: |
502 | CODE: |
| 144 | errflag = 0; |
503 | cv = x_get_cv (cv); |
| 145 | msg = SvREFCNT_inc (msg_); |
504 | assert (SvTYPE (cv) == SVt_PVCV); |
| 146 | buf = SvPVbyte (buf_, len); |
505 | av_store (av_type, type, SvREFCNT_inc_NN (cv)); |
| 147 | cur = buf; |
506 | |
| 148 | rem = len; |
507 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
| 149 | #ifdef BENCHMARK |
|
|
| 150 | t1 = tstamp (); |
|
|
| 151 | #endif |
|
|
| 152 | |
508 | |
| 153 | void |
509 | void |
| 154 | clr_msg () |
510 | _buffer_append (BUFOBJ self, SV *value) |
|
|
511 | ALIAS: |
|
|
512 | _buffer_put = 1 |
| 155 | CODE: |
513 | PPCODE: |
| 156 | SvREFCNT_dec (msg); |
514 | { |
| 157 | buf = cur = ""; |
515 | STRLEN vlen; |
| 158 | len = rem = 0; |
516 | const char *vstr = SvPVbyte (value, vlen); |
| 159 | #ifdef BENCHMARK |
|
|
| 160 | printf ("%f\n", tstamp () - t1);//D |
|
|
| 161 | #endif |
|
|
| 162 | |
517 | |
| 163 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
518 | if (ix) |
|
|
519 | sv_insert (bufsv, 0, 0, vstr, vlen); |
|
|
520 | else |
|
|
521 | sv_catpvn (bufsv, vstr, vlen); |
|
|
522 | |
|
|
523 | buf = SvPVbyte (bufsv, len); |
|
|
524 | cur = buf; |
|
|
525 | rem = len; |
|
|
526 | |
|
|
527 | SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
|
|
528 | sv_setiv (len_sv, len); |
|
|
529 | |
|
|
530 | // some callers test for defined'ness of the returnvalue. *sigh* |
|
|
531 | XPUSHs (&PL_sv_yes); |
|
|
532 | } |
| 164 | |
533 | |
| 165 | void |
534 | void |
| 166 | _buffer_get (SV *self, int count = -1) |
535 | _buffer_get (BUFOBJ self, int count = -1) |
| 167 | PPCODE: |
536 | PPCODE: |
| 168 | { |
537 | { |
| 169 | // grrr. |
538 | // grrr. |
| 170 | if (count < 0) |
539 | if (count < 0) |
| 171 | { |
540 | { |
| 172 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
541 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
| 173 | hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
542 | hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
| 174 | SV **svp = hv_fetch ((HV *)SvRV (self), "_buffer", 7, 1); |
|
|
| 175 | XPUSHs (sv_2mortal (newSVsv (*svp))); |
543 | XPUSHs (sv_2mortal (newSVsv (bufsv))); |
| 176 | sv_setpvn (*svp, "", 0); |
544 | sv_setpvn (bufsv, "", 0); |
|
|
545 | |
|
|
546 | buf = ""; |
|
|
547 | cur = buf; |
|
|
548 | rem = 0; |
|
|
549 | |
| 177 | XSRETURN (1); |
550 | XSRETURN (1); |
| 178 | } |
551 | } |
| 179 | |
552 | |
| 180 | char *data = getn (count, 0); |
553 | char *data = getn (count, 0); |
| 181 | |
554 | |
| 182 | if (data) |
555 | if (data) |
| 183 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
556 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
| 184 | } |
557 | } |
| 185 | |
558 | |
| 186 | U32 |
559 | U32 |
| 187 | index (SV *self, int ndx = -1) |
560 | index (BUFOBJ self, int ndx = -1) |
| 188 | CODE: |
561 | CODE: |
| 189 | { |
562 | { |
| 190 | if (ndx >= 0 && ndx < len) |
563 | if (ndx >= 0 && ndx < len) |
| 191 | { |
564 | { |
| 192 | cur = buf + ndx; |
565 | cur = buf + ndx; |
| 193 | rem = len - ndx; |
566 | rem = len - ndx; |
| 194 | } |
567 | } |
| 195 | |
568 | |
| 196 | RETVAL = cur - buf; |
569 | RETVAL = cur - buf; |
| 197 | } |
570 | } |
| 198 | OUTPUT: |
571 | OUTPUT: RETVAL |
| 199 | RETVAL |
|
|
| 200 | |
572 | |
| 201 | U32 |
573 | U32 |
| 202 | _process_length (SV *self, ...) |
574 | _process_length (BUFOBJ self, ...) |
| 203 | ALIAS: |
575 | ALIAS: |
| 204 | _process_sequence = 1 |
576 | _process_sequence = 0 |
| 205 | CODE: |
577 | CODE: |
| 206 | RETVAL = process_length (); |
578 | RETVAL = process_length (); |
| 207 | OUTPUT: |
579 | OUTPUT: RETVAL |
| 208 | RETVAL |
|
|
| 209 | |
580 | |
| 210 | I32 |
581 | SV * |
| 211 | _process_integer32 (SV *self, ...) |
582 | _process_integer32 (BUFOBJ self, ...) |
|
|
583 | CODE: |
|
|
584 | RETVAL = process_integer32_sv (); |
|
|
585 | OUTPUT: RETVAL |
|
|
586 | |
|
|
587 | SV * |
|
|
588 | _process_counter (BUFOBJ self, ...) |
| 212 | ALIAS: |
589 | ALIAS: |
| 213 | _process_counter = 0 |
|
|
| 214 | _process_gauge = 0 |
590 | _process_gauge = 0 |
|
|
591 | _process_timeticks = 0 |
| 215 | CODE: |
592 | CODE: |
| 216 | { |
593 | RETVAL = process_unsigned32_sv (); |
| 217 | U32 length = process_length (); |
594 | OUTPUT: RETVAL |
| 218 | |
595 | |
| 219 | if (length <= 0) |
596 | #if IVSIZE >= 8 |
| 220 | { |
|
|
| 221 | error ("INTEGER32 length equal to zero"); |
|
|
| 222 | XSRETURN_UNDEF; |
|
|
| 223 | } |
|
|
| 224 | |
|
|
| 225 | U8 *data = getn (length, 0); |
|
|
| 226 | |
|
|
| 227 | if (!data) |
|
|
| 228 | XSRETURN_UNDEF; |
|
|
| 229 | |
|
|
| 230 | if (length > 5 || (length > 4 && data [0])) |
|
|
| 231 | { |
|
|
| 232 | error ("INTEGER32 length too long"); |
|
|
| 233 | XSRETURN_UNDEF; |
|
|
| 234 | } |
|
|
| 235 | |
|
|
| 236 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
|
|
| 237 | |
|
|
| 238 | while (length--) |
|
|
| 239 | res = (res << 8) | *data++; |
|
|
| 240 | |
|
|
| 241 | RETVAL = res; |
|
|
| 242 | } |
|
|
| 243 | OUTPUT: |
|
|
| 244 | RETVAL |
|
|
| 245 | |
597 | |
| 246 | SV * |
598 | SV * |
| 247 | _process_object_identifier (SV *self, ...) |
599 | _process_counter64 (BUFOBJ self, ...) |
| 248 | CODE: |
600 | CODE: |
| 249 | { |
601 | RETVAL = process_unsigned64_sv (); |
| 250 | U32 length = process_length (); |
602 | OUTPUT: RETVAL |
| 251 | |
603 | |
| 252 | if (length <= 0) |
604 | #endif |
| 253 | { |
|
|
| 254 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
|
| 255 | XSRETURN_UNDEF; |
|
|
| 256 | } |
|
|
| 257 | |
|
|
| 258 | U8 *end = cur + length; |
|
|
| 259 | U32 w = getb (); |
|
|
| 260 | |
|
|
| 261 | //TODO: leading_dots |
|
|
| 262 | |
|
|
| 263 | RETVAL = newSVpvf (".%d.%d", (int)w / 40, (int)w % 40); |
|
|
| 264 | |
|
|
| 265 | while (cur < end) |
|
|
| 266 | { |
|
|
| 267 | w = getb (); |
|
|
| 268 | sv_catpvf (RETVAL, ".%u", (unsigned int)w); |
|
|
| 269 | } |
|
|
| 270 | } |
|
|
| 271 | OUTPUT: |
|
|
| 272 | RETVAL |
|
|
| 273 | |
605 | |
| 274 | SV * |
606 | SV * |
|
|
607 | _process_object_identifier (BUFOBJ self, ...) |
|
|
608 | CODE: |
|
|
609 | RETVAL = process_object_identifier_sv (); |
|
|
610 | OUTPUT: RETVAL |
|
|
611 | |
|
|
612 | SV * |
| 275 | _process_octet_string (SV *self, ...) |
613 | _process_octet_string (BUFOBJ self, ...) |
| 276 | ALIAS: |
614 | ALIAS: |
| 277 | _process_opaque = 0 |
615 | _process_opaque = 0 |
| 278 | CODE: |
616 | CODE: |
| 279 | { |
617 | RETVAL = process_octet_string_sv (); |
| 280 | U32 length = process_length (); |
618 | OUTPUT: RETVAL |
| 281 | |
|
|
| 282 | U8 *data = getn (length, 0); |
|
|
| 283 | if (!data) |
|
|
| 284 | { |
|
|
| 285 | error ("OCTET STRING too long"); |
|
|
| 286 | XSRETURN_UNDEF; |
|
|
| 287 | } |
|
|
| 288 | |
|
|
| 289 | RETVAL = newSVpvn (data, length); |
|
|
| 290 | } |
|
|
| 291 | OUTPUT: |
|
|
| 292 | RETVAL |
|
|
| 293 | |
619 | |
| 294 | SV * |
620 | SV * |
| 295 | _process_ipaddress (SV *self, ...) |
621 | _process_ipaddress (BUFOBJ self, ...) |
| 296 | CODE: |
622 | CODE: |
| 297 | { |
623 | { |
| 298 | U32 length = process_length (); |
624 | U32 length = process_length (); |
| 299 | if (length != 4) |
625 | if (length != 4) |
| 300 | { |
626 | { |
| 301 | error ("IP ADDRESS length not four"); |
627 | error ("IP ADDRESS length not four"); |
| 302 | XSRETURN_UNDEF; |
628 | XSRETURN_UNDEF; |
| 303 | } |
629 | } |
| 304 | |
630 | |
| 305 | U8 *data = getn (4, "\x00\x00\x00\x00"); |
631 | U8 *data = getn (4, "\x00\x00\x00\x00"); |
| 306 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
632 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
| 307 | } |
633 | } |
| 308 | OUTPUT: |
634 | OUTPUT: RETVAL |
|
|
635 | |
|
|
636 | SV * |
|
|
637 | process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
|
|
638 | CODE: |
|
|
639 | { |
|
|
640 | int type; |
|
|
641 | |
|
|
642 | RETVAL = process_sv (&type); |
|
|
643 | |
|
|
644 | if (found) |
|
|
645 | sv_setiv (found, type); |
|
|
646 | |
|
|
647 | if (SvOK (expected) && type != SvIV (expected)) |
|
|
648 | error ("Expected a different type than found"); |
|
|
649 | } |
|
|
650 | OUTPUT: RETVAL |
|
|
651 | |
|
|
652 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
|
|
653 | |
|
|
654 | SV * |
|
|
655 | _process_var_bind_list (BUFOBJ self) |
|
|
656 | CODE: |
|
|
657 | { |
|
|
658 | if (get8 () != (ASN_SEQUENCE | ASN_CONSTRUCTED)) |
|
|
659 | error ("SEQUENCE expected at beginning of VarBindList"); |
|
|
660 | |
|
|
661 | int seqlen = process_length (); |
|
|
662 | U8 *end = cur + seqlen; |
|
|
663 | |
|
|
664 | HV *list = newHV (); |
|
|
665 | AV *names = newAV (); |
|
|
666 | HV *types = newHV (); |
|
|
667 | |
|
|
668 | hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
|
|
669 | hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
|
|
670 | hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
|
|
671 | |
|
|
672 | while (cur < end && !errflag) |
|
|
673 | { |
|
|
674 | // SEQUENCE ObjectName ObjectSyntax |
|
|
675 | if (get8 () != (ASN_SEQUENCE | ASN_CONSTRUCTED)) |
|
|
676 | error ("SEQUENCE expected at beginning of VarBind"); |
|
|
677 | process_length (); |
|
|
678 | |
|
|
679 | if (get8 () != ASN_OBJECT_IDENTIFIER) |
|
|
680 | error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
|
|
681 | int type, oidlen; |
|
|
682 | SV *oid = process_object_identifier_sv (); |
|
|
683 | SV *val = process_sv (&type); |
|
|
684 | |
|
|
685 | hv_store_ent (types, oid, newSViv (type), 0); |
|
|
686 | hv_store_ent (list , oid, val, 0); |
|
|
687 | av_push (names, oid); |
|
|
688 | } |
|
|
689 | |
|
|
690 | // sigh - great design to do it here |
|
|
691 | SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
|
|
692 | |
|
|
693 | if (SvIV (pdu_type) == 0xa8) // REPORT |
|
|
694 | { |
|
|
695 | PUSHMARK (SP); |
|
|
696 | XPUSHs (msg); |
|
|
697 | PUTBACK; |
|
|
698 | call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
|
|
699 | SPAGAIN; |
|
|
700 | XSRETURN_EMPTY; |
|
|
701 | } |
|
|
702 | |
|
|
703 | RETVAL = newRV_inc ((SV *)list); |
|
|
704 | } |
|
|
705 | OUTPUT: RETVAL |
|
|
706 | |
|
|
707 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
|
|
708 | |
|
|
709 | void |
|
|
710 | oid_base_match (SV *base_, SV *oid_) |
|
|
711 | PROTOTYPE: $$ |
|
|
712 | ALIAS: |
|
|
713 | oid_context_match = 0 |
|
|
714 | PPCODE: |
|
|
715 | { |
|
|
716 | if (!SvOK (base_) || !SvOK (oid_)) |
|
|
717 | XSRETURN_NO; |
|
|
718 | |
|
|
719 | STRLEN blen, olen; |
|
|
720 | char *base = SvPVbyte (base_, blen); |
|
|
721 | char *oid = SvPVbyte (oid_ , olen); |
|
|
722 | |
|
|
723 | blen -= *base == '.'; base += *base == '.'; |
|
|
724 | olen -= *base == '.'; oid += *oid == '.'; |
|
|
725 | |
|
|
726 | if (olen < blen) |
|
|
727 | XSRETURN_NO; |
|
|
728 | |
|
|
729 | if (memcmp (base, oid, blen)) |
|
|
730 | XSRETURN_NO; |
|
|
731 | |
|
|
732 | if (oid [blen] && oid [blen] != '.') |
|
|
733 | XSRETURN_NO; |
|
|
734 | |
|
|
735 | XSRETURN_YES; |
|
|
736 | } |
|
|
737 | |
|
|
738 | #if HAVE_VERSIONSORT |
|
|
739 | |
|
|
740 | void |
|
|
741 | oid_lex_sort (...) |
|
|
742 | PROTOTYPE: @ |
|
|
743 | PPCODE: |
|
|
744 | { |
|
|
745 | // make sure SvPVX is valid |
|
|
746 | int i; |
|
|
747 | for (i = items; i--; ) |
|
|
748 | { |
|
|
749 | SV *sv = ST (i); |
|
|
750 | |
|
|
751 | if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
|
|
752 | SvPV_force_nolen (sv); |
|
|
753 | } |
|
|
754 | |
|
|
755 | qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
|
|
756 | |
|
|
757 | EXTEND (SP, items); |
|
|
758 | // we cheat somewhat by not returning copies here |
|
|
759 | for (i = 0; i < items; ++i) |
|
|
760 | PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
|
|
761 | } |
|
|
762 | |
|
|
763 | int |
|
|
764 | _index_cmp (const char *a, const char *b) |
|
|
765 | PROTOTYPE: $$ |
|
|
766 | CODE: |
|
|
767 | RETVAL = strverscmp (a, b); |
| 309 | RETVAL |
768 | OUTPUT: RETVAL |
| 310 | |
769 | |
|
|
770 | #endif |
|
|
771 | |
