1 |
#include "EXTERN.h" |
2 |
#include "perl.h" |
3 |
#include "XSUB.h" |
4 |
|
5 |
// C99 required |
6 |
|
7 |
//#define BENCHMARK |
8 |
|
9 |
enum { |
10 |
ASN_BOOLEAN = 0x01, |
11 |
ASN_INTEGER32 = 0x02, |
12 |
ASN_OCTET_STRING = 0x04, |
13 |
ASN_NULL = 0x05, |
14 |
ASN_OBJECT_IDENTIFIER = 0x06, |
15 |
ASN_SEQUENCE = 0x30, |
16 |
ASN_IPADDRESS = 0x40, |
17 |
ASN_COUNTER32 = 0x41, |
18 |
ASN_UNSIGNED32 = 0x42, |
19 |
ASN_TIMETICKS = 0x43, |
20 |
ASN_OPAQUE = 0x44, |
21 |
ASN_COUNTER64 = 0x46, |
22 |
}; |
23 |
|
24 |
#define MAX_OID_STRLEN 4096 |
25 |
|
26 |
#define HAVE_VERSIONSORT defined (_GNU_SOURCE) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 |
27 |
|
28 |
static SV *cur_bufobj; |
29 |
static SV *msg, *bufsv; |
30 |
static int errflag, leading_dot; |
31 |
static U8 *buf, *cur; |
32 |
static STRLEN len, rem; |
33 |
|
34 |
typedef SV *BUFOBJ; |
35 |
|
36 |
///////////////////////////////////////////////////////////////////////////// |
37 |
|
38 |
#if 0 |
39 |
if (msg) |
40 |
croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
41 |
|
42 |
|
43 |
void |
44 |
clr_msg () |
45 |
CODE: |
46 |
SvREFCNT_dec (msg); msg = 0; |
47 |
buf = cur = (U8 *)""; |
48 |
len = rem = 0; |
49 |
#endif |
50 |
|
51 |
static void |
52 |
clear_bufobj (void) |
53 |
{ |
54 |
// serialise our state back |
55 |
if (msg && SvROK (msg)) |
56 |
{ |
57 |
SV *idx_sv = *hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1); |
58 |
sv_setiv (idx_sv, cur - buf); |
59 |
} |
60 |
|
61 |
SvREFCNT_dec (msg); |
62 |
msg = 0; |
63 |
cur_bufobj = 0; |
64 |
} |
65 |
|
66 |
static void |
67 |
switch_bufobj (BUFOBJ neu) |
68 |
{ |
69 |
clear_bufobj (); |
70 |
|
71 |
msg = newSVsv (neu); |
72 |
cur_bufobj = SvRV (msg); |
73 |
sv_rvweaken (msg); |
74 |
|
75 |
errflag = 0; |
76 |
leading_dot = -1; |
77 |
|
78 |
IV index = SvIV (*hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1)); |
79 |
bufsv = *hv_fetch ((HV *)cur_bufobj, "_buffer", sizeof ("_buffer") - 1, 1); |
80 |
|
81 |
buf = SvPVbyte (bufsv, len); |
82 |
cur = buf + index; |
83 |
rem = len - index; |
84 |
} |
85 |
|
86 |
///////////////////////////////////////////////////////////////////////////// |
87 |
|
88 |
static SV * |
89 |
x_get_cv (SV *cb_sv) |
90 |
{ |
91 |
HV *st; |
92 |
GV *gvp; |
93 |
CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
94 |
|
95 |
if (!cv) |
96 |
croak ("CODE reference expected"); |
97 |
|
98 |
return (SV *)cv; |
99 |
} |
100 |
|
101 |
static void |
102 |
error (const char *errmsg) |
103 |
{ |
104 |
errflag = 1; |
105 |
|
106 |
if (!msg) |
107 |
croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
108 |
|
109 |
dSP; |
110 |
PUSHMARK (SP); |
111 |
EXTEND (SP, 2); |
112 |
PUSHs (msg); |
113 |
PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
114 |
PUTBACK; |
115 |
call_method ("_error", G_VOID | G_DISCARD); |
116 |
} |
117 |
|
118 |
static int |
119 |
need (int count) |
120 |
{ |
121 |
if (count < 0 || (int)rem < count) |
122 |
{ |
123 |
error ("Unexpected end of message buffer"); |
124 |
return 0; |
125 |
} |
126 |
|
127 |
return 1; |
128 |
} |
129 |
|
130 |
static U8 * |
131 |
getn (int count, const U8 *errres) |
132 |
{ |
133 |
if (!need (count)) |
134 |
return (U8 *)errres; |
135 |
|
136 |
U8 *res = cur; |
137 |
|
138 |
cur += count; |
139 |
rem -= count; |
140 |
|
141 |
return res; |
142 |
} |
143 |
|
144 |
static U8 |
145 |
get8 (void) |
146 |
{ |
147 |
if (rem <= 0) |
148 |
{ |
149 |
error ("Unexpected end of message buffer"); |
150 |
return 0; |
151 |
} |
152 |
|
153 |
rem--; |
154 |
return *cur++; |
155 |
} |
156 |
|
157 |
static U32 |
158 |
getb (void) |
159 |
{ |
160 |
U32 res = 0; |
161 |
|
162 |
for (;;) |
163 |
{ |
164 |
U8 c = get8 (); |
165 |
res = (res << 7) | (c & 0x7f); |
166 |
|
167 |
if (!(c & 0x80)) |
168 |
return res; |
169 |
} |
170 |
} |
171 |
|
172 |
#ifdef BENCHMARK |
173 |
static double t1; |
174 |
|
175 |
static double |
176 |
tstamp (void) |
177 |
{ |
178 |
struct timeval tv; |
179 |
gettimeofday (&tv, 0); |
180 |
return tv.tv_sec + tv.tv_usec * 0.000001; |
181 |
} |
182 |
#endif |
183 |
|
184 |
static U32 |
185 |
process_length (void) |
186 |
{ |
187 |
U32 res = get8 (); |
188 |
|
189 |
if (res & 0x80) |
190 |
{ |
191 |
int cnt = res & 0x7f; |
192 |
res = 0; |
193 |
|
194 |
switch (cnt) |
195 |
{ |
196 |
case 0: |
197 |
error ("Indefinite ASN.1 lengths not supported"); |
198 |
return 0; |
199 |
|
200 |
default: |
201 |
error ("ASN.1 length too long"); |
202 |
return 0; |
203 |
|
204 |
case 4: res = (res << 8) | get8 (); |
205 |
case 3: res = (res << 8) | get8 (); |
206 |
case 2: res = (res << 8) | get8 (); |
207 |
case 1: res = (res << 8) | get8 (); |
208 |
} |
209 |
} |
210 |
|
211 |
return res; |
212 |
} |
213 |
|
214 |
static U32 |
215 |
process_integer32 (void) |
216 |
{ |
217 |
U32 length = process_length (); |
218 |
|
219 |
if (length <= 0) |
220 |
{ |
221 |
error ("INTEGER32 length equal to zero"); |
222 |
return 0; |
223 |
} |
224 |
|
225 |
U8 *data = getn (length, 0); |
226 |
|
227 |
if (!data) |
228 |
return 0; |
229 |
|
230 |
if (length > 5 || (length > 4 && data [0])) |
231 |
{ |
232 |
error ("INTEGER32 length too long"); |
233 |
return 0; |
234 |
} |
235 |
|
236 |
U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
237 |
|
238 |
while (length--) |
239 |
res = (res << 8) | *data++; |
240 |
|
241 |
return res; |
242 |
} |
243 |
|
244 |
static SV * |
245 |
process_integer32_sv (void) |
246 |
{ |
247 |
return newSViv ((I32)process_integer32 ()); |
248 |
} |
249 |
|
250 |
static SV * |
251 |
process_unsigned32_sv (void) |
252 |
{ |
253 |
return newSVuv ((U32)process_integer32 ()); |
254 |
} |
255 |
|
256 |
#if IVSIZE >= 8 |
257 |
|
258 |
static U64TYPE |
259 |
process_integer64 (void) |
260 |
{ |
261 |
U32 length = process_length (); |
262 |
|
263 |
if (length <= 0) |
264 |
{ |
265 |
error ("INTEGER64 length equal to zero"); |
266 |
return 0; |
267 |
} |
268 |
|
269 |
U8 *data = getn (length, 0); |
270 |
|
271 |
if (!data) |
272 |
return 0; |
273 |
|
274 |
if (length > 9 || (length > 8 && data [0])) |
275 |
{ |
276 |
error ("INTEGER64 length too long"); |
277 |
return 0; |
278 |
} |
279 |
|
280 |
U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
281 |
|
282 |
while (length--) |
283 |
res = (res << 8) | *data++; |
284 |
|
285 |
return res; |
286 |
} |
287 |
|
288 |
static SV * |
289 |
process_integer64_sv (void) |
290 |
{ |
291 |
return newSViv ((I64TYPE)process_integer64 ()); |
292 |
} |
293 |
|
294 |
static SV * |
295 |
process_unsigned64_sv (void) |
296 |
{ |
297 |
return newSVuv ((U64TYPE)process_integer64 ()); |
298 |
} |
299 |
|
300 |
#endif |
301 |
|
302 |
static SV * |
303 |
process_octet_string_sv (void) |
304 |
{ |
305 |
U32 length = process_length (); |
306 |
|
307 |
U8 *data = getn (length, 0); |
308 |
if (!data) |
309 |
{ |
310 |
error ("OCTET STRING too long"); |
311 |
return &PL_sv_undef; |
312 |
} |
313 |
|
314 |
return newSVpvn (data, length); |
315 |
} |
316 |
|
317 |
static char * |
318 |
write_uv (char *buf, U32 u) |
319 |
{ |
320 |
// the one-digit case is absolutely predominant |
321 |
if (u < 10) |
322 |
*buf++ = u + '0'; |
323 |
else |
324 |
buf += sprintf (buf, "%u", (unsigned int)u); |
325 |
|
326 |
return buf; |
327 |
} |
328 |
|
329 |
static SV * |
330 |
process_object_identifier_sv (void) |
331 |
{ |
332 |
U32 length = process_length (); |
333 |
|
334 |
if (length <= 0) |
335 |
{ |
336 |
error ("OBJECT IDENTIFIER length equal to zero"); |
337 |
return &PL_sv_undef; |
338 |
} |
339 |
|
340 |
U8 *end = cur + length; |
341 |
U32 w = getb (); |
342 |
|
343 |
static char oid[MAX_OID_STRLEN]; // must be static |
344 |
char *app = oid; |
345 |
|
346 |
if (leading_dot < 0) |
347 |
leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
348 |
|
349 |
*app = '.'; app += ! ! leading_dot; |
350 |
app = write_uv (app, (U8)w / 40); |
351 |
*app++ = '.'; |
352 |
app = write_uv (app, (U8)w % 40); |
353 |
|
354 |
// we assume an oid component is never > 64 bytes |
355 |
while (cur < end && oid + sizeof (oid) - app > 64) |
356 |
{ |
357 |
w = getb (); |
358 |
*app++ = '.'; |
359 |
app = write_uv (app, w); |
360 |
} |
361 |
|
362 |
return newSVpvn (oid, app - oid); |
363 |
} |
364 |
|
365 |
static AV *av_type; |
366 |
|
367 |
static SV * |
368 |
process_sv (int *found) |
369 |
{ |
370 |
int type = get8 (); |
371 |
|
372 |
*found = type; |
373 |
|
374 |
SV *res; |
375 |
|
376 |
switch (type) |
377 |
{ |
378 |
case ASN_OBJECT_IDENTIFIER: |
379 |
res = process_object_identifier_sv (); |
380 |
break; |
381 |
|
382 |
case ASN_INTEGER32: |
383 |
res = process_integer32_sv (); |
384 |
break; |
385 |
|
386 |
case ASN_UNSIGNED32: |
387 |
case ASN_COUNTER32: |
388 |
case ASN_TIMETICKS: |
389 |
res = process_unsigned32_sv (); |
390 |
break; |
391 |
|
392 |
case ASN_SEQUENCE: |
393 |
res = newSVuv (process_length ()); |
394 |
break; |
395 |
|
396 |
case ASN_OCTET_STRING: |
397 |
case ASN_OPAQUE: |
398 |
res = process_octet_string_sv (); |
399 |
break; |
400 |
|
401 |
default: |
402 |
{ |
403 |
if (type > AvFILLp (av_type) |
404 |
|| AvARRAY (av_type)[type] == 0 |
405 |
|| AvARRAY (av_type)[type] == &PL_sv_undef) |
406 |
{ |
407 |
error ("Unknown ASN.1 type"); |
408 |
return &PL_sv_undef; |
409 |
} |
410 |
|
411 |
dSP; |
412 |
PUSHMARK (SP); |
413 |
EXTEND (SP, 2); |
414 |
PUSHs (msg); |
415 |
PUSHs (sv_2mortal (newSViv (type))); |
416 |
PUTBACK; |
417 |
int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
418 |
SPAGAIN; |
419 |
res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
420 |
} |
421 |
} |
422 |
|
423 |
return errflag ? &PL_sv_undef : res; |
424 |
} |
425 |
|
426 |
#if 0 |
427 |
|
428 |
static SV * |
429 |
decode_ber () |
430 |
{ |
431 |
int type = get8 (); |
432 |
|
433 |
SV *res; |
434 |
|
435 |
printf ("type %x at %x\n", type, cur -buf);//D |
436 |
|
437 |
switch (type & 0x3f) |
438 |
{ |
439 |
case ASN_OBJECT_IDENTIFIER: |
440 |
res = process_object_identifier_sv (); |
441 |
break; |
442 |
|
443 |
case ASN_INTEGER32: |
444 |
res = process_integer32_sv (); |
445 |
break; |
446 |
|
447 |
case ASN_UNSIGNED32: |
448 |
case ASN_COUNTER32: |
449 |
case ASN_TIMETICKS: |
450 |
res = process_unsigned32_sv (); |
451 |
break; |
452 |
|
453 |
case ASN_SEQUENCE: |
454 |
{ |
455 |
U32 seqend = (cur - buf) + process_length (); |
456 |
AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
457 |
|
458 |
while (cur < buf + seqend) |
459 |
{ |
460 |
av_push (av, decode_ber ()); |
461 |
} |
462 |
|
463 |
res = newRV_inc ((SV *)av); |
464 |
} |
465 |
break; |
466 |
|
467 |
case ASN_OCTET_STRING: |
468 |
case ASN_OPAQUE: |
469 |
res = process_octet_string_sv (); |
470 |
break; |
471 |
|
472 |
default: |
473 |
{ |
474 |
croak ("Unknown ASN.1 type 0x%02x at offset 0x%04x\n", type, (int)(cur - buf)); |
475 |
} |
476 |
} |
477 |
|
478 |
if (errflag) |
479 |
croak ("some error"); |
480 |
|
481 |
AV *av = newAV (); |
482 |
av_extend (av, 2); |
483 |
av_push (av, newSVuv (type)); |
484 |
av_push (av, res); |
485 |
res = newRV_noinc ((SV *)av); |
486 |
|
487 |
return errflag ? &PL_sv_undef : res; |
488 |
} |
489 |
|
490 |
#endif |
491 |
|
492 |
///////////////////////////////////////////////////////////////////////////// |
493 |
|
494 |
#if HAVE_VERSIONSORT |
495 |
|
496 |
static int |
497 |
oid_lex_cmp (const void *a_, const void *b_) |
498 |
{ |
499 |
const char *a = SvPVX (*(SV **)a_); |
500 |
const char *b = SvPVX (*(SV **)b_); |
501 |
|
502 |
a += *a == '.'; |
503 |
b += *b == '.'; |
504 |
|
505 |
return strverscmp (a, b); |
506 |
} |
507 |
|
508 |
#endif |
509 |
|
510 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
511 |
|
512 |
PROTOTYPES: ENABLE |
513 |
|
514 |
BOOT: |
515 |
av_type = newAV (); |
516 |
|
517 |
void |
518 |
set_type (int type, SV *cv) |
519 |
CODE: |
520 |
cv = x_get_cv (cv); |
521 |
assert (SvTYPE (cv) == SVt_PVCV); |
522 |
av_store (av_type, type, SvREFCNT_inc_NN (cv)); |
523 |
|
524 |
#if 0 |
525 |
|
526 |
SV * |
527 |
decode_ber (SV *ber) |
528 |
CODE: |
529 |
{ |
530 |
clear_bufobj (); |
531 |
|
532 |
errflag = 0; |
533 |
leading_dot = 0; |
534 |
|
535 |
bufsv = ber; |
536 |
|
537 |
buf = SvPVbyte (bufsv, len); |
538 |
cur = buf; |
539 |
rem = len; |
540 |
|
541 |
RETVAL = decode_ber (); |
542 |
} |
543 |
OUTPUT: RETVAL |
544 |
|
545 |
#endif |
546 |
|
547 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
548 |
|
549 |
void |
550 |
_buffer_append (BUFOBJ self, SV *value) |
551 |
ALIAS: |
552 |
_buffer_put = 1 |
553 |
PPCODE: |
554 |
{ |
555 |
STRLEN vlen; |
556 |
const char *vstr = SvPVbyte (value, vlen); |
557 |
|
558 |
if (ix) |
559 |
sv_insert (bufsv, 0, 0, vstr, vlen); |
560 |
else |
561 |
sv_catpvn (bufsv, vstr, vlen); |
562 |
|
563 |
buf = SvPVbyte (bufsv, len); |
564 |
cur = buf; |
565 |
rem = len; |
566 |
|
567 |
SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
568 |
sv_setiv (len_sv, len); |
569 |
|
570 |
// some callers test for defined'ness of the returnvalue. *sigh* |
571 |
XPUSHs (&PL_sv_yes); |
572 |
} |
573 |
|
574 |
void |
575 |
_buffer_get (BUFOBJ self, int count = -1) |
576 |
PPCODE: |
577 |
{ |
578 |
// grrr. |
579 |
if (count < 0) |
580 |
{ |
581 |
hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
582 |
hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
583 |
XPUSHs (sv_2mortal (newSVsv (bufsv))); |
584 |
sv_setpvn (bufsv, "", 0); |
585 |
|
586 |
buf = ""; |
587 |
cur = buf; |
588 |
rem = 0; |
589 |
|
590 |
XSRETURN (1); |
591 |
} |
592 |
|
593 |
char *data = getn (count, 0); |
594 |
|
595 |
if (data) |
596 |
XPUSHs (sv_2mortal (newSVpvn (data, count))); |
597 |
} |
598 |
|
599 |
U32 |
600 |
index (BUFOBJ self, int ndx = -1) |
601 |
CODE: |
602 |
{ |
603 |
if (ndx >= 0 && ndx < len) |
604 |
{ |
605 |
cur = buf + ndx; |
606 |
rem = len - ndx; |
607 |
} |
608 |
|
609 |
RETVAL = cur - buf; |
610 |
} |
611 |
OUTPUT: RETVAL |
612 |
|
613 |
U32 |
614 |
_process_length (BUFOBJ self, ...) |
615 |
ALIAS: |
616 |
_process_sequence = 0 |
617 |
CODE: |
618 |
RETVAL = process_length (); |
619 |
OUTPUT: RETVAL |
620 |
|
621 |
SV * |
622 |
_process_integer32 (BUFOBJ self, ...) |
623 |
CODE: |
624 |
RETVAL = process_integer32_sv (); |
625 |
OUTPUT: RETVAL |
626 |
|
627 |
SV * |
628 |
_process_counter (BUFOBJ self, ...) |
629 |
ALIAS: |
630 |
_process_gauge = 0 |
631 |
_process_timeticks = 0 |
632 |
CODE: |
633 |
RETVAL = process_unsigned32_sv (); |
634 |
OUTPUT: RETVAL |
635 |
|
636 |
#if IVSIZE >= 8 |
637 |
|
638 |
SV * |
639 |
_process_counter64 (BUFOBJ self, ...) |
640 |
CODE: |
641 |
RETVAL = process_unsigned64_sv (); |
642 |
OUTPUT: RETVAL |
643 |
|
644 |
#endif |
645 |
|
646 |
SV * |
647 |
_process_object_identifier (BUFOBJ self, ...) |
648 |
CODE: |
649 |
RETVAL = process_object_identifier_sv (); |
650 |
OUTPUT: RETVAL |
651 |
|
652 |
SV * |
653 |
_process_octet_string (BUFOBJ self, ...) |
654 |
ALIAS: |
655 |
_process_opaque = 0 |
656 |
CODE: |
657 |
RETVAL = process_octet_string_sv (); |
658 |
OUTPUT: RETVAL |
659 |
|
660 |
SV * |
661 |
_process_ipaddress (BUFOBJ self, ...) |
662 |
CODE: |
663 |
{ |
664 |
U32 length = process_length (); |
665 |
if (length != 4) |
666 |
{ |
667 |
error ("IP ADDRESS length not four"); |
668 |
XSRETURN_UNDEF; |
669 |
} |
670 |
|
671 |
U8 *data = getn (4, "\x00\x00\x00\x00"); |
672 |
RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
673 |
} |
674 |
OUTPUT: RETVAL |
675 |
|
676 |
SV * |
677 |
process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
678 |
CODE: |
679 |
{ |
680 |
int type; |
681 |
|
682 |
RETVAL = process_sv (&type); |
683 |
|
684 |
if (found) |
685 |
sv_setiv (found, type); |
686 |
|
687 |
if (SvOK (expected) && type != SvIV (expected)) |
688 |
error ("Expected a different type than found"); |
689 |
} |
690 |
OUTPUT: RETVAL |
691 |
|
692 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
693 |
|
694 |
SV * |
695 |
_process_var_bind_list (BUFOBJ self) |
696 |
CODE: |
697 |
{ |
698 |
if (get8 () != ASN_SEQUENCE) |
699 |
error ("SEQUENCE expected at beginning of VarBindList"); |
700 |
int seqlen = process_length (); |
701 |
U8 *end = cur + seqlen; |
702 |
|
703 |
HV *list = newHV (); |
704 |
AV *names = newAV (); |
705 |
HV *types = newHV (); |
706 |
|
707 |
hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
708 |
hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
709 |
hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
710 |
|
711 |
while (cur < end && !errflag) |
712 |
{ |
713 |
// SEQUENCE ObjectName ObjectSyntax |
714 |
if (get8 () != ASN_SEQUENCE) |
715 |
error ("SEQUENCE expected at beginning of VarBind"); |
716 |
process_length (); |
717 |
|
718 |
if (get8 () != ASN_OBJECT_IDENTIFIER) |
719 |
error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
720 |
int type, oidlen; |
721 |
SV *oid = process_object_identifier_sv (); |
722 |
SV *val = process_sv (&type); |
723 |
|
724 |
hv_store_ent (types, oid, newSViv (type), 0); |
725 |
hv_store_ent (list , oid, val, 0); |
726 |
av_push (names, oid); |
727 |
} |
728 |
|
729 |
// sigh - great design to do it here |
730 |
SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
731 |
|
732 |
if (SvIV (pdu_type) == 0xa8) // REPORT |
733 |
{ |
734 |
PUSHMARK (SP); |
735 |
XPUSHs (msg); |
736 |
PUTBACK; |
737 |
call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
738 |
SPAGAIN; |
739 |
XSRETURN_EMPTY; |
740 |
} |
741 |
|
742 |
RETVAL = newRV_inc ((SV *)list); |
743 |
} |
744 |
OUTPUT: RETVAL |
745 |
|
746 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
747 |
|
748 |
void |
749 |
oid_base_match (SV *base_, SV *oid_) |
750 |
PROTOTYPE: $$ |
751 |
ALIAS: |
752 |
oid_context_match = 0 |
753 |
PPCODE: |
754 |
{ |
755 |
if (!SvOK (base_) || !SvOK (oid_)) |
756 |
XSRETURN_NO; |
757 |
|
758 |
STRLEN blen, olen; |
759 |
char *base = SvPVbyte (base_, blen); |
760 |
char *oid = SvPVbyte (oid_ , olen); |
761 |
|
762 |
blen -= *base == '.'; base += *base == '.'; |
763 |
olen -= *base == '.'; oid += *oid == '.'; |
764 |
|
765 |
if (olen < blen) |
766 |
XSRETURN_NO; |
767 |
|
768 |
if (memcmp (base, oid, blen)) |
769 |
XSRETURN_NO; |
770 |
|
771 |
if (oid [blen] && oid [blen] != '.') |
772 |
XSRETURN_NO; |
773 |
|
774 |
XSRETURN_YES; |
775 |
} |
776 |
|
777 |
#if HAVE_VERSIONSORT |
778 |
|
779 |
void |
780 |
oid_lex_sort (...) |
781 |
PROTOTYPE: @ |
782 |
PPCODE: |
783 |
{ |
784 |
// make sure SvPVX is valid |
785 |
int i; |
786 |
for (i = items; i--; ) |
787 |
{ |
788 |
SV *sv = ST (i); |
789 |
|
790 |
if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
791 |
SvPV_force_nolen (sv); |
792 |
} |
793 |
|
794 |
qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
795 |
|
796 |
EXTEND (SP, items); |
797 |
// we cheat somewhat by not returning copies here |
798 |
for (i = 0; i < items; ++i) |
799 |
PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
800 |
} |
801 |
|
802 |
int |
803 |
_index_cmp (const char *a, const char *b) |
804 |
PROTOTYPE: $$ |
805 |
CODE: |
806 |
RETVAL = strverscmp (a, b); |
807 |
OUTPUT: RETVAL |
808 |
|
809 |
#endif |
810 |
|