| … | |
… | |
| 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 | #define ASN_BOOLEAN 0x01 |
|
|
10 | #define ASN_INTEGER32 0x02 |
|
|
11 | #define ASN_OCTET_STRING 0x04 |
|
|
12 | #define ASN_NULL 0x05 |
|
|
13 | #define ASN_OBJECT_IDENTIFIER 0x06 |
|
|
14 | #define ASN_SEQUENCE 0x30 |
|
|
15 | #define ASN_IPADDRESS 0x40 |
|
|
16 | #define ASN_COUNTER32 0x41 |
|
|
17 | #define ASN_UNSIGNED32 0x42 |
|
|
18 | #define ASN_TIMETICKS 0x43 |
|
|
19 | #define ASN_OPAQUE 0x44 |
|
|
20 | #define ASN_COUNTER64 0x46 |
|
|
21 | |
|
|
22 | #define MAX_OID_STRLEN 4096 |
|
|
23 | |
| 30 | static SV *msg; |
24 | static SV *msg; |
| 31 | static int errflag; |
25 | static int errflag, leading_dot; |
| 32 | static U8 *buf, *cur; |
26 | static U8 *buf, *cur; |
| 33 | static STRLEN len, rem; |
27 | static STRLEN len, rem; |
| 34 | |
28 | |
|
|
29 | static SV * |
|
|
30 | x_get_cv (SV *cb_sv) |
|
|
31 | { |
|
|
32 | HV *st; |
|
|
33 | GV *gvp; |
|
|
34 | CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
35 | |
|
|
36 | if (!cv) |
|
|
37 | croak ("CODE reference expected"); |
|
|
38 | |
|
|
39 | return (SV *)cv; |
|
|
40 | } |
|
|
41 | |
| 35 | static void |
42 | static void |
| 36 | error (const char *msg) |
43 | error (const char *errmsg) |
| 37 | { |
44 | { |
| 38 | errflag = 1; |
45 | errflag = 1; |
| 39 | |
46 | |
| 40 | printf ("<<<%s>>>\n", msg);//D |
47 | if (!msg) |
|
|
48 | croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
|
|
49 | |
|
|
50 | dSP; |
|
|
51 | PUSHMARK (SP); |
|
|
52 | EXTEND (SP, 2); |
|
|
53 | PUSHs (msg); |
|
|
54 | PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
|
|
55 | PUTBACK; |
|
|
56 | call_method ("_error", G_VOID | G_DISCARD); |
| 41 | } |
57 | } |
| 42 | |
58 | |
| 43 | static int |
59 | static int |
| 44 | need (int count) |
60 | need (int count) |
| 45 | { |
61 | { |
| … | |
… | |
| 134 | } |
150 | } |
| 135 | |
151 | |
| 136 | return res; |
152 | return res; |
| 137 | } |
153 | } |
| 138 | |
154 | |
|
|
155 | static U32 |
|
|
156 | process_integer32 (void) |
|
|
157 | { |
|
|
158 | U32 length = process_length (); |
|
|
159 | |
|
|
160 | if (length <= 0) |
|
|
161 | { |
|
|
162 | error ("INTEGER32 length equal to zero"); |
|
|
163 | return 0; |
|
|
164 | } |
|
|
165 | |
|
|
166 | U8 *data = getn (length, 0); |
|
|
167 | |
|
|
168 | if (!data) |
|
|
169 | return 0; |
|
|
170 | |
|
|
171 | if (length > 5 || (length > 4 && data [0])) |
|
|
172 | { |
|
|
173 | error ("INTEGER32 length too long"); |
|
|
174 | return 0; |
|
|
175 | } |
|
|
176 | |
|
|
177 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
|
|
178 | |
|
|
179 | while (length--) |
|
|
180 | res = (res << 8) | *data++; |
|
|
181 | |
|
|
182 | return res; |
|
|
183 | } |
|
|
184 | |
|
|
185 | static SV * |
|
|
186 | process_integer32_sv (void) |
|
|
187 | { |
|
|
188 | return newSViv ((I32)process_integer32 ()); |
|
|
189 | } |
|
|
190 | |
|
|
191 | static SV * |
|
|
192 | process_unsigned32_sv (void) |
|
|
193 | { |
|
|
194 | return newSVuv ((U32)process_integer32 ()); |
|
|
195 | } |
|
|
196 | |
|
|
197 | #if IVSIZE >= 8 |
|
|
198 | |
|
|
199 | static U64TYPE |
|
|
200 | process_integer64 (void) |
|
|
201 | { |
|
|
202 | U32 length = process_length (); |
|
|
203 | |
|
|
204 | if (length <= 0) |
|
|
205 | { |
|
|
206 | error ("INTEGER64 length equal to zero"); |
|
|
207 | return 0; |
|
|
208 | } |
|
|
209 | |
|
|
210 | U8 *data = getn (length, 0); |
|
|
211 | |
|
|
212 | if (!data) |
|
|
213 | return 0; |
|
|
214 | |
|
|
215 | if (length > 9 || (length > 8 && data [0])) |
|
|
216 | { |
|
|
217 | error ("INTEGER64 length too long"); |
|
|
218 | return 0; |
|
|
219 | } |
|
|
220 | |
|
|
221 | U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
|
|
222 | |
|
|
223 | while (length--) |
|
|
224 | res = (res << 8) | *data++; |
|
|
225 | |
|
|
226 | return res; |
|
|
227 | } |
|
|
228 | |
|
|
229 | static SV * |
|
|
230 | process_integer64_sv (void) |
|
|
231 | { |
|
|
232 | return newSViv ((I64TYPE)process_integer64 ()); |
|
|
233 | } |
|
|
234 | |
|
|
235 | static SV * |
|
|
236 | process_unsigned64_sv (void) |
|
|
237 | { |
|
|
238 | return newSVuv ((U64TYPE)process_integer64 ()); |
|
|
239 | } |
|
|
240 | |
|
|
241 | #endif |
|
|
242 | |
|
|
243 | static SV * |
|
|
244 | process_octet_string_sv (void) |
|
|
245 | { |
|
|
246 | U32 length = process_length (); |
|
|
247 | |
|
|
248 | U8 *data = getn (length, 0); |
|
|
249 | if (!data) |
|
|
250 | { |
|
|
251 | error ("OCTET STRING too long"); |
|
|
252 | return &PL_sv_undef; |
|
|
253 | } |
|
|
254 | |
|
|
255 | return newSVpvn (data, length); |
|
|
256 | } |
|
|
257 | |
|
|
258 | static char * |
|
|
259 | write_uv (char *buf, U32 u) |
|
|
260 | { |
|
|
261 | // the one-digit case is absolutely predominant |
|
|
262 | if (u < 10) |
|
|
263 | *buf++ = u + '0'; |
|
|
264 | else |
|
|
265 | buf += sprintf (buf, "%u", (unsigned int)u); |
|
|
266 | |
|
|
267 | return buf; |
|
|
268 | } |
|
|
269 | |
|
|
270 | static SV * |
|
|
271 | process_object_identifier_sv (void) |
|
|
272 | { |
|
|
273 | U32 length = process_length (); |
|
|
274 | |
|
|
275 | if (length <= 0) |
|
|
276 | { |
|
|
277 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
|
278 | return &PL_sv_undef; |
|
|
279 | } |
|
|
280 | |
|
|
281 | U8 *end = cur + length; |
|
|
282 | U32 w = getb (); |
|
|
283 | |
|
|
284 | static char oid[MAX_OID_STRLEN]; // must be static |
|
|
285 | char *app = oid; |
|
|
286 | |
|
|
287 | *app = '.'; app += ! ! leading_dot; |
|
|
288 | app = write_uv (app, (U8)w / 40); |
|
|
289 | *app++ = '.'; |
|
|
290 | app = write_uv (app, (U8)w % 40); |
|
|
291 | |
|
|
292 | // we assume an oid component is never > 64 bytes |
|
|
293 | while (cur < end && oid + sizeof (oid) - app > 64) |
|
|
294 | { |
|
|
295 | w = getb (); |
|
|
296 | *app++ = '.'; |
|
|
297 | app = write_uv (app, w); |
|
|
298 | } |
|
|
299 | |
|
|
300 | return newSVpvn (oid, app - oid); |
|
|
301 | } |
|
|
302 | |
|
|
303 | static AV *av_type; |
|
|
304 | |
|
|
305 | static SV * |
|
|
306 | process_sv (int *found) |
|
|
307 | { |
|
|
308 | int type = get8 (); |
|
|
309 | |
|
|
310 | *found = type; |
|
|
311 | |
|
|
312 | SV *res; |
|
|
313 | |
|
|
314 | switch (type) |
|
|
315 | { |
|
|
316 | case ASN_OBJECT_IDENTIFIER: |
|
|
317 | res = process_object_identifier_sv (); |
|
|
318 | break; |
|
|
319 | |
|
|
320 | case ASN_INTEGER32: |
|
|
321 | res = process_integer32_sv (); |
|
|
322 | break; |
|
|
323 | |
|
|
324 | case ASN_UNSIGNED32: |
|
|
325 | case ASN_COUNTER32: |
|
|
326 | case ASN_TIMETICKS: |
|
|
327 | res = process_unsigned32_sv (); |
|
|
328 | break; |
|
|
329 | |
|
|
330 | case ASN_SEQUENCE: |
|
|
331 | res = newSVuv (process_length ()); |
|
|
332 | break; |
|
|
333 | |
|
|
334 | case ASN_OCTET_STRING: |
|
|
335 | case ASN_OPAQUE: |
|
|
336 | res = process_octet_string_sv (); |
|
|
337 | break; |
|
|
338 | |
|
|
339 | default: |
|
|
340 | { |
|
|
341 | if (type > AvFILLp (av_type) || !SvTYPE (AvARRAY (av_type)[type]) == SVt_PVCV) |
|
|
342 | { |
|
|
343 | error ("Unknown ASN.1 type"); |
|
|
344 | return &PL_sv_undef; |
|
|
345 | } |
|
|
346 | |
|
|
347 | dSP; |
|
|
348 | PUSHMARK (SP); |
|
|
349 | EXTEND (SP, 2); |
|
|
350 | PUSHs (msg); |
|
|
351 | PUSHs (sv_2mortal (newSViv (type))); |
|
|
352 | PUTBACK; |
|
|
353 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
|
|
354 | SPAGAIN; |
|
|
355 | res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
|
|
356 | } |
|
|
357 | } |
|
|
358 | |
|
|
359 | return errflag ? &PL_sv_undef : res; |
|
|
360 | } |
|
|
361 | |
| 139 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
362 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
|
|
363 | |
|
|
364 | PROTOTYPES: ENABLE |
|
|
365 | |
|
|
366 | BOOT: |
|
|
367 | av_type = newAV (); |
|
|
368 | |
|
|
369 | void |
|
|
370 | set_type (int type, SV *cv) |
|
|
371 | CODE: |
|
|
372 | av_store (av_type, type, SvREFCNT_inc (x_get_cv (cv))); |
| 140 | |
373 | |
| 141 | void |
374 | void |
| 142 | set_msg (SV *msg_, SV *buf_) |
375 | set_msg (SV *msg_, SV *buf_) |
| 143 | CODE: |
376 | CODE: |
|
|
377 | { |
|
|
378 | if (msg) |
|
|
379 | croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
|
|
380 | |
| 144 | errflag = 0; |
381 | errflag = 0; |
|
|
382 | leading_dot = -1; |
| 145 | msg = SvREFCNT_inc (msg_); |
383 | msg = SvREFCNT_inc (msg_); |
| 146 | buf = SvPVbyte (buf_, len); |
384 | buf = SvPVbyte (buf_, len); |
| 147 | cur = buf; |
385 | cur = buf; |
| 148 | rem = len; |
386 | rem = len; |
| 149 | #ifdef BENCHMARK |
387 | #ifdef BENCHMARK |
| 150 | t1 = tstamp (); |
388 | t1 = tstamp (); |
| 151 | #endif |
389 | #endif |
|
|
390 | } |
| 152 | |
391 | |
| 153 | void |
392 | void |
| 154 | clr_msg () |
393 | clr_msg () |
| 155 | CODE: |
394 | CODE: |
| 156 | SvREFCNT_dec (msg); |
395 | SvREFCNT_dec (msg); msg = 0; |
| 157 | buf = cur = ""; |
396 | buf = cur = (U8 *)""; |
| 158 | len = rem = 0; |
397 | len = rem = 0; |
| 159 | #ifdef BENCHMARK |
398 | #ifdef BENCHMARK |
| 160 | printf ("%f\n", tstamp () - t1);//D |
399 | printf ("%f\n", tstamp () - t1);//D |
| 161 | #endif |
400 | #endif |
| 162 | |
401 | |
| … | |
… | |
| 199 | RETVAL |
438 | RETVAL |
| 200 | |
439 | |
| 201 | U32 |
440 | U32 |
| 202 | _process_length (SV *self, ...) |
441 | _process_length (SV *self, ...) |
| 203 | ALIAS: |
442 | ALIAS: |
| 204 | _process_sequence = 1 |
443 | _process_sequence = 0 |
| 205 | CODE: |
444 | CODE: |
| 206 | RETVAL = process_length (); |
445 | RETVAL = process_length (); |
| 207 | OUTPUT: |
446 | OUTPUT: |
| 208 | RETVAL |
447 | RETVAL |
| 209 | |
448 | |
| 210 | I32 |
449 | SV * |
| 211 | _process_integer32 (SV *self, ...) |
450 | _process_integer32 (SV *self, ...) |
|
|
451 | CODE: |
|
|
452 | RETVAL = process_integer32_sv (); |
|
|
453 | OUTPUT: |
|
|
454 | RETVAL |
|
|
455 | |
|
|
456 | SV * |
|
|
457 | _process_counter (SV *self, ...) |
| 212 | ALIAS: |
458 | ALIAS: |
| 213 | _process_counter = 0 |
|
|
| 214 | _process_gauge = 0 |
459 | _process_gauge = 0 |
|
|
460 | _process_timeticks = 0 |
| 215 | CODE: |
461 | CODE: |
| 216 | { |
462 | RETVAL = process_unsigned32_sv (); |
| 217 | U32 length = process_length (); |
463 | OUTPUT: |
| 218 | |
|
|
| 219 | if (length <= 0) |
|
|
| 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; |
464 | RETVAL |
| 242 | } |
465 | |
|
|
466 | #if IVSIZE >= 8 |
|
|
467 | |
|
|
468 | SV * |
|
|
469 | _process_counter64 (SV *self, ...) |
|
|
470 | CODE: |
|
|
471 | RETVAL = process_unsigned64_sv (); |
| 243 | OUTPUT: |
472 | OUTPUT: |
| 244 | RETVAL |
473 | RETVAL |
|
|
474 | |
|
|
475 | #endif |
| 245 | |
476 | |
| 246 | SV * |
477 | SV * |
| 247 | _process_object_identifier (SV *self, ...) |
478 | _process_object_identifier (SV *self, ...) |
| 248 | CODE: |
479 | CODE: |
| 249 | { |
480 | RETVAL = process_object_identifier_sv (); |
| 250 | U32 length = process_length (); |
|
|
| 251 | |
|
|
| 252 | if (length <= 0) |
|
|
| 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: |
481 | OUTPUT: |
| 272 | RETVAL |
482 | RETVAL |
| 273 | |
483 | |
| 274 | SV * |
484 | SV * |
| 275 | _process_octet_string (SV *self, ...) |
485 | _process_octet_string (SV *self, ...) |
| 276 | ALIAS: |
486 | ALIAS: |
| 277 | _process_opaque = 0 |
487 | _process_opaque = 0 |
| 278 | CODE: |
488 | CODE: |
| 279 | { |
489 | RETVAL = process_octet_string_sv (); |
| 280 | U32 length = process_length (); |
|
|
| 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: |
490 | OUTPUT: |
| 292 | RETVAL |
491 | RETVAL |
| 293 | |
492 | |
| 294 | SV * |
493 | SV * |
| 295 | _process_ipaddress (SV *self, ...) |
494 | _process_ipaddress (SV *self, ...) |
| … | |
… | |
| 306 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
505 | RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
| 307 | } |
506 | } |
| 308 | OUTPUT: |
507 | OUTPUT: |
| 309 | RETVAL |
508 | RETVAL |
| 310 | |
509 | |
|
|
510 | SV * |
|
|
511 | process (SV *self, SV *expected = &PL_sv_undef, SV *found = 0) |
|
|
512 | CODE: |
|
|
513 | { |
|
|
514 | int type; |
|
|
515 | |
|
|
516 | RETVAL = process_sv (&type); |
|
|
517 | |
|
|
518 | if (found) |
|
|
519 | sv_setiv (found, type); |
|
|
520 | |
|
|
521 | if (SvOK (expected) && type != SvIV (expected)) |
|
|
522 | error ("Expected a different type than found"); |
|
|
523 | } |
|
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524 | OUTPUT: |
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525 | RETVAL |
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526 | |
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527 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
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528 | |
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529 | SV * |
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530 | _process_var_bind_list (SV *self) |
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531 | CODE: |
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532 | { |
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533 | if (get8 () != ASN_SEQUENCE) |
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534 | error ("SEQUENCE expected at beginning of VarBindList"); |
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535 | int seqlen = process_length (); |
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536 | U8 *end = cur + seqlen; |
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537 | |
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538 | HV *list = newHV (); |
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539 | AV *names = newAV (); |
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540 | HV *types = newHV (); |
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541 | |
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542 | hv_store ((HV *)SvRV (self), "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
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543 | hv_store ((HV *)SvRV (self), "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
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544 | hv_store ((HV *)SvRV (self), "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
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545 | |
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546 | while (cur < end && !errflag) |
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547 | { |
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548 | // SEQUENCE ObjectName ObjectSyntax |
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549 | if (get8 () != ASN_SEQUENCE) |
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550 | error ("SEQUENCE expected at beginning of VarBind"); |
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551 | process_length (); |
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552 | |
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553 | if (get8 () != ASN_OBJECT_IDENTIFIER) |
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554 | error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
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555 | int type, oidlen; |
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556 | SV *oid = process_object_identifier_sv (); |
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557 | SV *val = process_sv (&type); |
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558 | |
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559 | hv_store_ent (types, oid, newSViv (type), 0); |
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560 | hv_store_ent (list , oid, val, 0); |
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561 | av_push (names, oid); |
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562 | } |
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563 | |
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564 | //return $this->_report_pdu_error if ($this->{_pdu_type} == REPORT); |
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565 | |
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566 | RETVAL = newRV_inc ((SV *)list); |
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567 | } |
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568 | OUTPUT: |
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569 | RETVAL |
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570 | |
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571 | |
