| … | |
… | |
| 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: |
|
|
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; |
|
|
82 | cur_bufobj = 0; |
|
|
83 | } |
|
|
84 | |
|
|
85 | static void |
|
|
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); |
|
|
99 | |
|
|
100 | buf = SvPVbyte (bufsv, len); |
|
|
101 | cur = buf + index; |
|
|
102 | rem = len - index; |
|
|
103 | } |
|
|
104 | |
|
|
105 | ///////////////////////////////////////////////////////////////////////////// |
|
|
106 | |
|
|
107 | static SV * |
|
|
108 | x_get_cv (SV *cb_sv) |
|
|
109 | { |
|
|
110 | HV *st; |
|
|
111 | GV *gvp; |
|
|
112 | CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
113 | |
|
|
114 | if (!cv) |
|
|
115 | croak ("CODE reference expected"); |
|
|
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 | |
|
|
128 | dSP; |
|
|
129 | PUSHMARK (SP); |
|
|
130 | EXTEND (SP, 2); |
|
|
131 | PUSHs (msg); |
|
|
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) |
|
|
235 | { |
|
|
236 | U32 length = process_length (); |
|
|
237 | |
|
|
238 | if (length <= 0) |
|
|
239 | { |
|
|
240 | error ("INTEGER32 length equal to zero"); |
|
|
241 | return 0; |
|
|
242 | } |
|
|
243 | |
|
|
244 | U8 *data = getn (length, 0); |
|
|
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++; |
|
|
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 |
|
|
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 > 9 || (length > 8 && data [0])) |
|
|
294 | { |
|
|
295 | error ("INTEGER64 length too long"); |
|
|
296 | return 0; |
|
|
297 | } |
|
|
298 | |
|
|
299 | U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 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 |
|
|
340 | if (u < 10) |
|
|
341 | *buf++ = u + '0'; |
|
|
342 | else |
|
|
343 | buf += sprintf (buf, "%u", (unsigned int)u); |
|
|
344 | |
|
|
345 | return buf; |
|
|
346 | } |
|
|
347 | |
|
|
348 | static SV * |
|
|
349 | process_object_identifier_sv (void) |
|
|
350 | { |
|
|
351 | U32 length = process_length (); |
|
|
352 | |
|
|
353 | if (length <= 0) |
|
|
354 | { |
|
|
355 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
|
356 | return &PL_sv_undef; |
|
|
357 | } |
|
|
358 | |
|
|
359 | U8 *end = cur + length; |
|
|
360 | U32 w = getb (); |
|
|
361 | |
|
|
362 | static char oid[MAX_OID_STRLEN]; // must be static |
|
|
363 | char *app = oid; |
|
|
364 | |
|
|
365 | if (leading_dot < 0) |
|
|
366 | leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
|
|
367 | |
|
|
368 | *app = '.'; app += ! ! leading_dot; |
|
|
369 | app = write_uv (app, (U8)w / 40); |
|
|
370 | *app++ = '.'; |
|
|
371 | app = write_uv (app, (U8)w % 40); |
|
|
372 | |
|
|
373 | // we assume an oid component is never > 64 bytes |
|
|
374 | while (cur < end && oid + sizeof (oid) - app > 64) |
|
|
375 | { |
|
|
376 | w = getb (); |
|
|
377 | *app++ = '.'; |
|
|
378 | app = write_uv (app, w); |
|
|
379 | } |
|
|
380 | |
|
|
381 | return newSVpvn (oid, app - oid); |
|
|
382 | } |
|
|
383 | |
|
|
384 | static AV *av_type; |
|
|
385 | |
|
|
386 | static SV * |
|
|
387 | process_sv (int *found) |
|
|
388 | { |
|
|
389 | int type = get8 (); |
|
|
390 | |
|
|
391 | *found = type; |
|
|
392 | |
|
|
393 | SV *res; |
|
|
394 | |
|
|
395 | switch (type) |
|
|
396 | { |
|
|
397 | case ASN_OBJECT_IDENTIFIER: |
|
|
398 | res = process_object_identifier_sv (); |
|
|
399 | break; |
|
|
400 | |
|
|
401 | case ASN_INTEGER32: |
|
|
402 | res = process_integer32_sv (); |
|
|
403 | break; |
|
|
404 | |
|
|
405 | case ASN_APPLICATION | ASN_UNSIGNED32: |
|
|
406 | case ASN_APPLICATION | ASN_COUNTER32: |
|
|
407 | case ASN_APPLICATION | ASN_TIMETICKS: |
|
|
408 | res = process_unsigned32_sv (); |
|
|
409 | break; |
|
|
410 | |
|
|
411 | case ASN_SEQUENCE | ASN_CONSTRUCTED: |
|
|
412 | res = newSVuv (process_length ()); |
|
|
413 | break; |
|
|
414 | |
|
|
415 | case ASN_OCTET_STRING: |
|
|
416 | case ASN_APPLICATION | ASN_OPAQUE: |
|
|
417 | res = process_octet_string_sv (); |
|
|
418 | break; |
|
|
419 | |
|
|
420 | default: |
|
|
421 | { |
|
|
422 | if (type > AvFILLp (av_type) |
|
|
423 | || AvARRAY (av_type)[type] == 0 |
|
|
424 | || AvARRAY (av_type)[type] == &PL_sv_undef) |
|
|
425 | { |
|
|
426 | error ("Unknown ASN.1 type"); |
|
|
427 | return &PL_sv_undef; |
|
|
428 | } |
|
|
429 | |
|
|
430 | dSP; |
|
|
431 | PUSHMARK (SP); |
|
|
432 | EXTEND (SP, 2); |
|
|
433 | PUSHs (msg); |
|
|
434 | PUSHs (sv_2mortal (newSViv (type))); |
|
|
435 | PUTBACK; |
|
|
436 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
|
|
437 | SPAGAIN; |
|
|
438 | res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
|
|
439 | } |
|
|
440 | } |
|
|
441 | |
|
|
442 | return errflag ? &PL_sv_undef : res; |
|
|
443 | } |
|
|
444 | |
|
|
445 | ///////////////////////////////////////////////////////////////////////////// |
|
|
446 | |
|
|
447 | #if HAVE_VERSIONSORT |
|
|
448 | |
|
|
449 | static int |
|
|
450 | oid_lex_cmp (const void *a_, const void *b_) |
|
|
451 | { |
|
|
452 | const char *a = SvPVX (*(SV **)a_); |
|
|
453 | const char *b = SvPVX (*(SV **)b_); |
|
|
454 | |
|
|
455 | a += *a == '.'; |
|
|
456 | b += *b == '.'; |
|
|
457 | |
|
|
458 | return strverscmp (a, b); |
|
|
459 | } |
|
|
460 | |
|
|
461 | #endif |
|
|
462 | |
| 139 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
463 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
| 140 | |
464 | |
|
|
465 | PROTOTYPES: ENABLE |
|
|
466 | |
|
|
467 | BOOT: |
|
|
468 | av_type = newAV (); |
|
|
469 | |
| 141 | void |
470 | void |
| 142 | set_msg (SV *msg_, SV *buf_) |
471 | set_type (int type, SV *cv) |
| 143 | CODE: |
472 | CODE: |
| 144 | errflag = 0; |
473 | cv = x_get_cv (cv); |
| 145 | msg = SvREFCNT_inc (msg_); |
474 | assert (SvTYPE (cv) == SVt_PVCV); |
| 146 | buf = SvPVbyte (buf_, len); |
475 | av_store (av_type, type, SvREFCNT_inc_NN (cv)); |
| 147 | cur = buf; |
476 | |
| 148 | rem = len; |
477 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
| 149 | #ifdef BENCHMARK |
|
|
| 150 | t1 = tstamp (); |
|
|
| 151 | #endif |
|
|
| 152 | |
478 | |
| 153 | void |
479 | void |
| 154 | clr_msg () |
480 | _buffer_append (BUFOBJ self, SV *value) |
|
|
481 | ALIAS: |
|
|
482 | _buffer_put = 1 |
| 155 | CODE: |
483 | PPCODE: |
| 156 | SvREFCNT_dec (msg); |
484 | { |
| 157 | buf = cur = ""; |
485 | STRLEN vlen; |
| 158 | len = rem = 0; |
486 | const char *vstr = SvPVbyte (value, vlen); |
| 159 | #ifdef BENCHMARK |
|
|
| 160 | printf ("%f\n", tstamp () - t1);//D |
|
|
| 161 | #endif |
|
|
| 162 | |
487 | |
| 163 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
488 | if (ix) |
|
|
489 | sv_insert (bufsv, 0, 0, vstr, vlen); |
|
|
490 | else |
|
|
491 | sv_catpvn (bufsv, vstr, vlen); |
|
|
492 | |
|
|
493 | buf = SvPVbyte (bufsv, len); |
|
|
494 | cur = buf; |
|
|
495 | rem = len; |
|
|
496 | |
|
|
497 | SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
|
|
498 | sv_setiv (len_sv, len); |
|
|
499 | |
|
|
500 | // some callers test for defined'ness of the returnvalue. *sigh* |
|
|
501 | XPUSHs (&PL_sv_yes); |
|
|
502 | } |
| 164 | |
503 | |
| 165 | void |
504 | void |
| 166 | _buffer_get (SV *self, int count = -1) |
505 | _buffer_get (BUFOBJ self, int count = -1) |
| 167 | PPCODE: |
506 | PPCODE: |
| 168 | { |
507 | { |
| 169 | // grrr. |
508 | // grrr. |
| 170 | if (count < 0) |
509 | if (count < 0) |
| 171 | { |
510 | { |
| 172 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
511 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
| 173 | hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
512 | 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))); |
513 | XPUSHs (sv_2mortal (newSVsv (bufsv))); |
| 176 | sv_setpvn (*svp, "", 0); |
514 | sv_setpvn (bufsv, "", 0); |
|
|
515 | |
|
|
516 | buf = ""; |
|
|
517 | cur = buf; |
|
|
518 | rem = 0; |
|
|
519 | |
| 177 | XSRETURN (1); |
520 | XSRETURN (1); |
| 178 | } |
521 | } |
| 179 | |
522 | |
| 180 | char *data = getn (count, 0); |
523 | char *data = getn (count, 0); |
| 181 | |
524 | |
| 182 | if (data) |
525 | if (data) |
| 183 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
526 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
| 184 | } |
527 | } |
| 185 | |
528 | |
| 186 | U32 |
529 | U32 |
| 187 | index (SV *self, int ndx = -1) |
530 | index (BUFOBJ self, int ndx = -1) |
| 188 | CODE: |
531 | CODE: |
| 189 | { |
532 | { |
| 190 | if (ndx >= 0 && ndx < len) |
533 | if (ndx >= 0 && ndx < len) |
| 191 | { |
534 | { |
| 192 | cur = buf + ndx; |
535 | cur = buf + ndx; |
| 193 | rem = len - ndx; |
536 | rem = len - ndx; |
| 194 | } |
537 | } |
| 195 | |
538 | |
| 196 | RETVAL = cur - buf; |
539 | RETVAL = cur - buf; |
| 197 | } |
540 | } |
| 198 | OUTPUT: |
541 | OUTPUT: RETVAL |
| 199 | RETVAL |
|
|
| 200 | |
542 | |
| 201 | U32 |
543 | U32 |
| 202 | _process_length (SV *self, ...) |
544 | _process_length (BUFOBJ self, ...) |
| 203 | ALIAS: |
545 | ALIAS: |
| 204 | _process_sequence = 1 |
546 | _process_sequence = 0 |
| 205 | CODE: |
547 | CODE: |
| 206 | RETVAL = process_length (); |
548 | RETVAL = process_length (); |
| 207 | OUTPUT: |
549 | OUTPUT: RETVAL |
| 208 | RETVAL |
|
|
| 209 | |
550 | |
| 210 | I32 |
551 | SV * |
| 211 | _process_integer32 (SV *self, ...) |
552 | _process_integer32 (BUFOBJ self, ...) |
|
|
553 | CODE: |
|
|
554 | RETVAL = process_integer32_sv (); |
|
|
555 | OUTPUT: RETVAL |
|
|
556 | |
|
|
557 | SV * |
|
|
558 | _process_counter (BUFOBJ self, ...) |
| 212 | ALIAS: |
559 | ALIAS: |
| 213 | _process_counter = 0 |
|
|
| 214 | _process_gauge = 0 |
560 | _process_gauge = 0 |
|
|
561 | _process_timeticks = 0 |
| 215 | CODE: |
562 | CODE: |
| 216 | { |
563 | RETVAL = process_unsigned32_sv (); |
| 217 | U32 length = process_length (); |
564 | OUTPUT: RETVAL |
| 218 | |
565 | |
| 219 | if (length <= 0) |
566 | #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 | |
567 | |
| 246 | SV * |
568 | SV * |
| 247 | _process_object_identifier (SV *self, ...) |
569 | _process_counter64 (BUFOBJ self, ...) |
| 248 | CODE: |
570 | CODE: |
| 249 | { |
571 | RETVAL = process_unsigned64_sv (); |
| 250 | U32 length = process_length (); |
572 | OUTPUT: RETVAL |
| 251 | |
573 | |
| 252 | if (length <= 0) |
574 | #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 | |
575 | |
| 274 | SV * |
576 | SV * |
|
|
577 | _process_object_identifier (BUFOBJ self, ...) |
|
|
578 | CODE: |
|
|
579 | RETVAL = process_object_identifier_sv (); |
|
|
580 | OUTPUT: RETVAL |
|
|
581 | |
|
|
582 | SV * |
| 275 | _process_octet_string (SV *self, ...) |
583 | _process_octet_string (BUFOBJ self, ...) |
| 276 | ALIAS: |
584 | ALIAS: |
| 277 | _process_opaque = 0 |
585 | _process_opaque = 0 |
| 278 | CODE: |
586 | CODE: |
| 279 | { |
587 | RETVAL = process_octet_string_sv (); |
| 280 | U32 length = process_length (); |
588 | 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 | |
589 | |
| 294 | SV * |
590 | SV * |
| 295 | _process_ipaddress (SV *self, ...) |
591 | _process_ipaddress (BUFOBJ self, ...) |
| 296 | CODE: |
592 | CODE: |
| 297 | { |
593 | { |
| 298 | U32 length = process_length (); |
594 | U32 length = process_length (); |
| 299 | if (length != 4) |
595 | if (length != 4) |
| 300 | { |
596 | { |
| 301 | error ("IP ADDRESS length not four"); |
597 | error ("IP ADDRESS length not four"); |
| 302 | XSRETURN_UNDEF; |
598 | XSRETURN_UNDEF; |
| 303 | } |
599 | } |
| 304 | |
600 | |
| 305 | U8 *data = getn (4, "\x00\x00\x00\x00"); |
601 | U8 *data = getn (4, "\x00\x00\x00\x00"); |
| 306 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
602 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
| 307 | } |
603 | } |
| 308 | OUTPUT: |
604 | OUTPUT: RETVAL |
|
|
605 | |
|
|
606 | SV * |
|
|
607 | process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
|
|
608 | CODE: |
|
|
609 | { |
|
|
610 | int type; |
|
|
611 | |
|
|
612 | RETVAL = process_sv (&type); |
|
|
613 | |
|
|
614 | if (found) |
|
|
615 | sv_setiv (found, type); |
|
|
616 | |
|
|
617 | if (SvOK (expected) && type != SvIV (expected)) |
|
|
618 | error ("Expected a different type than found"); |
|
|
619 | } |
|
|
620 | OUTPUT: RETVAL |
|
|
621 | |
|
|
622 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
|
|
623 | |
|
|
624 | SV * |
|
|
625 | _process_var_bind_list (BUFOBJ self) |
|
|
626 | CODE: |
|
|
627 | { |
|
|
628 | if (get8 () != ASN_SEQUENCE | ASN_CONSTRUCTED) |
|
|
629 | error ("SEQUENCE expected at beginning of VarBindList"); |
|
|
630 | |
|
|
631 | int seqlen = process_length (); |
|
|
632 | U8 *end = cur + seqlen; |
|
|
633 | |
|
|
634 | HV *list = newHV (); |
|
|
635 | AV *names = newAV (); |
|
|
636 | HV *types = newHV (); |
|
|
637 | |
|
|
638 | hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
|
|
639 | hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
|
|
640 | hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
|
|
641 | |
|
|
642 | while (cur < end && !errflag) |
|
|
643 | { |
|
|
644 | // SEQUENCE ObjectName ObjectSyntax |
|
|
645 | if (get8 () != ASN_SEQUENCE | ASN_CONSTRUCTED) |
|
|
646 | error ("SEQUENCE expected at beginning of VarBind"); |
|
|
647 | process_length (); |
|
|
648 | |
|
|
649 | if (get8 () != ASN_OBJECT_IDENTIFIER) |
|
|
650 | error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
|
|
651 | int type, oidlen; |
|
|
652 | SV *oid = process_object_identifier_sv (); |
|
|
653 | SV *val = process_sv (&type); |
|
|
654 | |
|
|
655 | hv_store_ent (types, oid, newSViv (type), 0); |
|
|
656 | hv_store_ent (list , oid, val, 0); |
|
|
657 | av_push (names, oid); |
|
|
658 | } |
|
|
659 | |
|
|
660 | // sigh - great design to do it here |
|
|
661 | SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
|
|
662 | |
|
|
663 | if (SvIV (pdu_type) == 0xa8) // REPORT |
|
|
664 | { |
|
|
665 | PUSHMARK (SP); |
|
|
666 | XPUSHs (msg); |
|
|
667 | PUTBACK; |
|
|
668 | call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
|
|
669 | SPAGAIN; |
|
|
670 | XSRETURN_EMPTY; |
|
|
671 | } |
|
|
672 | |
|
|
673 | RETVAL = newRV_inc ((SV *)list); |
|
|
674 | } |
|
|
675 | OUTPUT: RETVAL |
|
|
676 | |
|
|
677 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
|
|
678 | |
|
|
679 | void |
|
|
680 | oid_base_match (SV *base_, SV *oid_) |
|
|
681 | PROTOTYPE: $$ |
|
|
682 | ALIAS: |
|
|
683 | oid_context_match = 0 |
|
|
684 | PPCODE: |
|
|
685 | { |
|
|
686 | if (!SvOK (base_) || !SvOK (oid_)) |
|
|
687 | XSRETURN_NO; |
|
|
688 | |
|
|
689 | STRLEN blen, olen; |
|
|
690 | char *base = SvPVbyte (base_, blen); |
|
|
691 | char *oid = SvPVbyte (oid_ , olen); |
|
|
692 | |
|
|
693 | blen -= *base == '.'; base += *base == '.'; |
|
|
694 | olen -= *base == '.'; oid += *oid == '.'; |
|
|
695 | |
|
|
696 | if (olen < blen) |
|
|
697 | XSRETURN_NO; |
|
|
698 | |
|
|
699 | if (memcmp (base, oid, blen)) |
|
|
700 | XSRETURN_NO; |
|
|
701 | |
|
|
702 | if (oid [blen] && oid [blen] != '.') |
|
|
703 | XSRETURN_NO; |
|
|
704 | |
|
|
705 | XSRETURN_YES; |
|
|
706 | } |
|
|
707 | |
|
|
708 | #if HAVE_VERSIONSORT |
|
|
709 | |
|
|
710 | void |
|
|
711 | oid_lex_sort (...) |
|
|
712 | PROTOTYPE: @ |
|
|
713 | PPCODE: |
|
|
714 | { |
|
|
715 | // make sure SvPVX is valid |
|
|
716 | int i; |
|
|
717 | for (i = items; i--; ) |
|
|
718 | { |
|
|
719 | SV *sv = ST (i); |
|
|
720 | |
|
|
721 | if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
|
|
722 | SvPV_force_nolen (sv); |
|
|
723 | } |
|
|
724 | |
|
|
725 | qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
|
|
726 | |
|
|
727 | EXTEND (SP, items); |
|
|
728 | // we cheat somewhat by not returning copies here |
|
|
729 | for (i = 0; i < items; ++i) |
|
|
730 | PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
|
|
731 | } |
|
|
732 | |
|
|
733 | int |
|
|
734 | _index_cmp (const char *a, const char *b) |
|
|
735 | PROTOTYPE: $$ |
|
|
736 | CODE: |
|
|
737 | RETVAL = strverscmp (a, b); |
| 309 | RETVAL |
738 | OUTPUT: RETVAL |
| 310 | |
739 | |
|
|
740 | #endif |
|
|
741 | |
