| 1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
| 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 | |
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|
7 | //#define BENCHMARK |
| 6 | |
8 | |
| 7 | #define ASN_BOOLEAN 0x01 |
9 | #define ASN_BOOLEAN 0x01 |
| 8 | #define ASN_INTEGER32 0x02 |
10 | #define ASN_INTEGER32 0x02 |
| 9 | #define ASN_OCTET_STRING 0x04 |
11 | #define ASN_OCTET_STRING 0x04 |
| 10 | #define ASN_NULL 0x05 |
12 | #define ASN_NULL 0x05 |
| … | |
… | |
| 15 | #define ASN_UNSIGNED32 0x42 |
17 | #define ASN_UNSIGNED32 0x42 |
| 16 | #define ASN_TIMETICKS 0x43 |
18 | #define ASN_TIMETICKS 0x43 |
| 17 | #define ASN_OPAQUE 0x44 |
19 | #define ASN_OPAQUE 0x44 |
| 18 | #define ASN_COUNTER64 0x46 |
20 | #define ASN_COUNTER64 0x46 |
| 19 | |
21 | |
| 20 | #define BENCHMARK |
|
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| 21 | |
|
|
| 22 | #define MAX_OID_STRLEN 4096 |
22 | #define MAX_OID_STRLEN 4096 |
| 23 | |
23 | |
|
|
24 | #define HAVE_VERSIONSORT defined (_GNU_SOURCE) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 |
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25 | |
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|
26 | static SV *cur_bufobj; |
| 24 | static SV *msg; |
27 | static SV *msg, *bufsv; |
| 25 | static int errflag, leading_dot; |
28 | static int errflag, leading_dot; |
| 26 | static U8 *buf, *cur; |
29 | static U8 *buf, *cur; |
| 27 | static STRLEN len, rem; |
30 | static STRLEN len, rem; |
| 28 | |
31 | |
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|
32 | typedef SV *BUFOBJ; |
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33 | |
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34 | ///////////////////////////////////////////////////////////////////////////// |
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35 | |
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36 | #if 0 |
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37 | if (msg) |
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38 | croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
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39 | |
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40 | |
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41 | void |
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42 | clr_msg () |
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43 | CODE: |
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44 | SvREFCNT_dec (msg); msg = 0; |
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45 | buf = cur = (U8 *)""; |
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46 | len = rem = 0; |
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47 | #endif |
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48 | |
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49 | static void |
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50 | clear_bufobj (void) |
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51 | { |
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52 | // serialise our state back |
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53 | if (msg && SvROK (msg)) |
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54 | { |
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55 | SV *idx_sv = *hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1); |
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56 | sv_setiv (idx_sv, cur - buf); |
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57 | |
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58 | SvREFCNT_dec (msg); |
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59 | msg = 0; |
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60 | cur_bufobj = 0; |
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61 | } |
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62 | } |
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63 | |
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64 | static void |
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65 | switch_bufobj (BUFOBJ neu) |
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66 | { |
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67 | clear_bufobj (); |
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68 | |
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69 | msg = newSVsv (neu); |
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70 | cur_bufobj = SvRV (msg); |
|
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71 | sv_rvweaken (msg); |
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72 | |
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73 | errflag = 0; |
|
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74 | leading_dot = -1; |
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75 | |
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76 | IV index = SvIV (*hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1)); |
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77 | bufsv = *hv_fetch ((HV *)cur_bufobj, "_buffer", sizeof ("_buffer") - 1, 1); |
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78 | |
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79 | buf = SvPVbyte (bufsv, len); |
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80 | cur = buf + index; |
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81 | rem = len - index; |
|
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82 | } |
|
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83 | |
|
|
84 | ///////////////////////////////////////////////////////////////////////////// |
|
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85 | |
| 29 | static SV * |
86 | static SV * |
| 30 | x_get_cv (SV *cb_sv) |
87 | x_get_cv (SV *cb_sv) |
| 31 | { |
88 | { |
| 32 | HV *st; |
89 | HV *st; |
| 33 | GV *gvp; |
90 | GV *gvp; |
| … | |
… | |
| 38 | |
95 | |
| 39 | return (SV *)cv; |
96 | return (SV *)cv; |
| 40 | } |
97 | } |
| 41 | |
98 | |
| 42 | static void |
99 | static void |
| 43 | error (const char *msg) |
100 | error (const char *errmsg) |
| 44 | { |
101 | { |
| 45 | errflag = 1; |
102 | errflag = 1; |
| 46 | |
103 | |
| 47 | printf ("<<<%s>>>\n", msg);//D |
104 | if (!msg) |
|
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105 | croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
|
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106 | |
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107 | dSP; |
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108 | PUSHMARK (SP); |
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109 | EXTEND (SP, 2); |
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110 | PUSHs (msg); |
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111 | PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
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112 | PUTBACK; |
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113 | call_method ("_error", G_VOID | G_DISCARD); |
| 48 | } |
114 | } |
| 49 | |
115 | |
| 50 | static int |
116 | static int |
| 51 | need (int count) |
117 | need (int count) |
| 52 | { |
118 | { |
| … | |
… | |
| 183 | process_unsigned32_sv (void) |
249 | process_unsigned32_sv (void) |
| 184 | { |
250 | { |
| 185 | return newSVuv ((U32)process_integer32 ()); |
251 | return newSVuv ((U32)process_integer32 ()); |
| 186 | } |
252 | } |
| 187 | |
253 | |
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254 | #if IVSIZE >= 8 |
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255 | |
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256 | static U64TYPE |
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257 | process_integer64 (void) |
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258 | { |
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259 | U32 length = process_length (); |
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260 | |
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261 | if (length <= 0) |
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262 | { |
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263 | error ("INTEGER64 length equal to zero"); |
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264 | return 0; |
|
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265 | } |
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266 | |
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267 | U8 *data = getn (length, 0); |
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268 | |
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269 | if (!data) |
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270 | return 0; |
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271 | |
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272 | if (length > 9 || (length > 8 && data [0])) |
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273 | { |
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274 | error ("INTEGER64 length too long"); |
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275 | return 0; |
|
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276 | } |
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277 | |
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278 | U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
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279 | |
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280 | while (length--) |
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281 | res = (res << 8) | *data++; |
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282 | |
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283 | return res; |
|
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284 | } |
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285 | |
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286 | static SV * |
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287 | process_integer64_sv (void) |
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288 | { |
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289 | return newSViv ((I64TYPE)process_integer64 ()); |
|
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290 | } |
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291 | |
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292 | static SV * |
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293 | process_unsigned64_sv (void) |
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294 | { |
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295 | return newSVuv ((U64TYPE)process_integer64 ()); |
|
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296 | } |
|
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297 | |
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298 | #endif |
|
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299 | |
| 188 | static SV * |
300 | static SV * |
| 189 | process_octet_string_sv (void) |
301 | process_octet_string_sv (void) |
| 190 | { |
302 | { |
| 191 | U32 length = process_length (); |
303 | U32 length = process_length (); |
| 192 | |
304 | |
| … | |
… | |
| 224 | } |
336 | } |
| 225 | |
337 | |
| 226 | U8 *end = cur + length; |
338 | U8 *end = cur + length; |
| 227 | U32 w = getb (); |
339 | U32 w = getb (); |
| 228 | |
340 | |
| 229 | static char oid[MAX_OID_STRLEN]; |
341 | static char oid[MAX_OID_STRLEN]; // must be static |
| 230 | char *app = oid; |
342 | char *app = oid; |
| 231 | |
343 | |
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344 | if (leading_dot < 0) |
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345 | leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
|
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346 | |
| 232 | *app = '.'; app += ! ! leading_dot; |
347 | *app = '.'; app += ! ! leading_dot; |
| 233 | app = write_uv (app, w / 40); |
348 | app = write_uv (app, (U8)w / 40); |
| 234 | *app++ = '.'; |
349 | *app++ = '.'; |
| 235 | app = write_uv (app, w % 40); |
350 | app = write_uv (app, (U8)w % 40); |
| 236 | |
351 | |
| 237 | // we assume an oid component is never > 64 bytes |
352 | // we assume an oid component is never > 64 bytes |
| 238 | while (cur < end && oid + sizeof (oid) - app > 64) |
353 | while (cur < end && oid + sizeof (oid) - app > 64) |
| 239 | { |
354 | { |
| 240 | w = getb (); |
355 | w = getb (); |
| 241 | *app++ = '.'; |
356 | *app++ = '.'; |
| 242 | app = write_uv (app, w); |
357 | app = write_uv (app, w); |
| 243 | } |
358 | } |
| 244 | #if 0 |
|
|
| 245 | buf += snprintf (buf, oid + sizeof (oid) - buf, "%d.%d", (int)w / 40, (int)w % 40); |
|
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| 246 | |
359 | |
| 247 | while (cur < end) |
360 | return newSVpvn (oid, app - oid); |
| 248 | { |
361 | } |
| 249 | w = getb (); |
362 | |
| 250 | buf += snprintf (buf, oid + sizeof (oid) - buf, ".%u", (unsigned int)w); |
363 | static AV *av_type; |
|
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364 | |
|
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365 | static SV * |
|
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366 | process_sv (int *found) |
|
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367 | { |
|
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368 | int type = get8 (); |
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369 | |
|
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370 | *found = type; |
|
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371 | |
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372 | SV *res; |
|
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373 | |
|
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374 | switch (type) |
| 251 | } |
375 | { |
|
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376 | case ASN_OBJECT_IDENTIFIER: |
|
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377 | res = process_object_identifier_sv (); |
|
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378 | break; |
|
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379 | |
|
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380 | case ASN_INTEGER32: |
|
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381 | res = process_integer32_sv (); |
|
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382 | break; |
|
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383 | |
|
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384 | case ASN_UNSIGNED32: |
|
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385 | case ASN_COUNTER32: |
|
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386 | case ASN_TIMETICKS: |
|
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387 | res = process_unsigned32_sv (); |
|
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388 | break; |
|
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389 | |
|
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390 | case ASN_SEQUENCE: |
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391 | res = newSVuv (process_length ()); |
|
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392 | break; |
|
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393 | |
|
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394 | case ASN_OCTET_STRING: |
|
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395 | case ASN_OPAQUE: |
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396 | res = process_octet_string_sv (); |
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397 | break; |
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398 | |
|
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399 | default: |
|
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400 | { |
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401 | if (type > AvFILLp (av_type) || SvTYPE (AvARRAY (av_type)[type]) != SVt_PVCV) |
|
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402 | { |
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403 | error ("Unknown ASN.1 type"); |
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404 | return &PL_sv_undef; |
|
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405 | } |
|
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406 | |
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407 | dSP; |
|
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408 | PUSHMARK (SP); |
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409 | EXTEND (SP, 2); |
|
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410 | PUSHs (msg); |
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411 | PUSHs (sv_2mortal (newSViv (type))); |
|
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412 | PUTBACK; |
|
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413 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
|
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414 | SPAGAIN; |
|
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415 | res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
|
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416 | } |
|
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417 | } |
|
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418 | |
|
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419 | return errflag ? &PL_sv_undef : res; |
|
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420 | } |
|
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421 | |
|
|
422 | ///////////////////////////////////////////////////////////////////////////// |
|
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423 | |
|
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424 | #if HAVE_VERSIONSORT |
|
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425 | |
|
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426 | static int |
|
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427 | oid_lex_cmp (const void *a_, const void *b_) |
|
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428 | { |
|
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429 | const char *a = SvPVX (*(SV **)a_); |
|
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430 | const char *b = SvPVX (*(SV **)b_); |
|
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431 | |
|
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432 | a += *a == '.'; |
|
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433 | b += *b == '.'; |
|
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434 | |
|
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435 | return strverscmp (a, b); |
|
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436 | } |
|
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437 | |
| 252 | #endif |
438 | #endif |
| 253 | |
|
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| 254 | return newSVpvn (oid, app - oid); |
|
|
| 255 | } |
|
|
| 256 | |
|
|
| 257 | static AV *av_type; |
|
|
| 258 | |
439 | |
| 259 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
440 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
| 260 | |
441 | |
| 261 | PROTOTYPES: ENABLE |
442 | PROTOTYPES: ENABLE |
| 262 | |
443 | |
| … | |
… | |
| 266 | void |
447 | void |
| 267 | set_type (int type, SV *cv) |
448 | set_type (int type, SV *cv) |
| 268 | CODE: |
449 | CODE: |
| 269 | av_store (av_type, type, SvREFCNT_inc (x_get_cv (cv))); |
450 | av_store (av_type, type, SvREFCNT_inc (x_get_cv (cv))); |
| 270 | |
451 | |
|
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452 | void xxx(...) |
|
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453 | CODE: |
|
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454 | clear_bufobj (); |
|
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455 | |
|
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456 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
|
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457 | |
| 271 | void |
458 | void |
| 272 | set_msg (SV *msg_, SV *buf_) |
459 | _buffer_append (BUFOBJ self, SV *value) |
|
|
460 | ALIAS: |
|
|
461 | _buffer_put = 1 |
| 273 | CODE: |
462 | PPCODE: |
| 274 | errflag = 0; |
463 | { |
| 275 | leading_dot = -1; |
464 | STRLEN vlen; |
| 276 | msg = SvREFCNT_inc (msg_); |
465 | const char *vstr = SvPVbyte (value, vlen); |
|
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466 | |
|
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467 | if (ix) |
|
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468 | sv_insert (bufsv, 0, 0, vstr, vlen); |
|
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469 | else |
|
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470 | sv_catpvn (bufsv, vstr, vlen); |
|
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471 | |
| 277 | buf = SvPVbyte (buf_, len); |
472 | buf = SvPVbyte (bufsv, len); |
| 278 | cur = buf; |
473 | cur = buf; |
| 279 | rem = len; |
474 | rem = len; |
| 280 | #ifdef BENCHMARK |
475 | |
| 281 | t1 = tstamp (); |
476 | SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
| 282 | #endif |
477 | sv_setiv (len_sv, len); |
|
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478 | |
|
|
479 | // some callers test for defined'ness of the returnvalue. *sigh* |
|
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480 | XPUSHs (&PL_sv_yes); |
|
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481 | } |
| 283 | |
482 | |
| 284 | void |
483 | void |
| 285 | clr_msg () |
|
|
| 286 | CODE: |
|
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| 287 | SvREFCNT_dec (msg); |
|
|
| 288 | buf = cur = ""; |
|
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| 289 | len = rem = 0; |
|
|
| 290 | #ifdef BENCHMARK |
|
|
| 291 | printf ("%f\n", tstamp () - t1);//D |
|
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| 292 | #endif |
|
|
| 293 | |
|
|
| 294 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
|
|
| 295 | |
|
|
| 296 | void |
|
|
| 297 | _buffer_get (SV *self, int count = -1) |
484 | _buffer_get (BUFOBJ self, int count = -1) |
| 298 | PPCODE: |
485 | PPCODE: |
| 299 | { |
486 | { |
| 300 | // grrr. |
487 | // grrr. |
| 301 | if (count < 0) |
488 | if (count < 0) |
| 302 | { |
489 | { |
| 303 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
490 | hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
| 304 | hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
491 | hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
| 305 | SV **svp = hv_fetch ((HV *)SvRV (self), "_buffer", 7, 1); |
|
|
| 306 | XPUSHs (sv_2mortal (newSVsv (*svp))); |
492 | XPUSHs (sv_2mortal (newSVsv (bufsv))); |
| 307 | sv_setpvn (*svp, "", 0); |
493 | sv_setpvn (bufsv, "", 0); |
|
|
494 | |
|
|
495 | buf = ""; |
|
|
496 | cur = buf; |
|
|
497 | rem = 0; |
|
|
498 | |
| 308 | XSRETURN (1); |
499 | XSRETURN (1); |
| 309 | } |
500 | } |
| 310 | |
501 | |
| 311 | char *data = getn (count, 0); |
502 | char *data = getn (count, 0); |
| 312 | |
503 | |
| 313 | if (data) |
504 | if (data) |
| 314 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
505 | XPUSHs (sv_2mortal (newSVpvn (data, count))); |
| 315 | } |
506 | } |
| 316 | |
507 | |
| 317 | U32 |
508 | U32 |
| 318 | index (SV *self, int ndx = -1) |
509 | index (BUFOBJ self, int ndx = -1) |
| 319 | CODE: |
510 | CODE: |
| 320 | { |
511 | { |
| 321 | if (ndx >= 0 && ndx < len) |
512 | if (ndx >= 0 && ndx < len) |
| 322 | { |
513 | { |
| 323 | cur = buf + ndx; |
514 | cur = buf + ndx; |
| … | |
… | |
| 328 | } |
519 | } |
| 329 | OUTPUT: |
520 | OUTPUT: |
| 330 | RETVAL |
521 | RETVAL |
| 331 | |
522 | |
| 332 | U32 |
523 | U32 |
| 333 | _process_length (SV *self, ...) |
524 | _process_length (BUFOBJ self, ...) |
| 334 | ALIAS: |
525 | ALIAS: |
| 335 | _process_sequence = 0 |
526 | _process_sequence = 0 |
| 336 | CODE: |
527 | CODE: |
| 337 | RETVAL = process_length (); |
528 | RETVAL = process_length (); |
| 338 | OUTPUT: |
529 | OUTPUT: |
| 339 | RETVAL |
530 | RETVAL |
| 340 | |
531 | |
| 341 | SV * |
532 | SV * |
| 342 | _process_integer32 (SV *self, ...) |
533 | _process_integer32 (BUFOBJ self, ...) |
| 343 | CODE: |
534 | CODE: |
| 344 | RETVAL = process_integer32_sv (); |
535 | RETVAL = process_integer32_sv (); |
| 345 | OUTPUT: |
536 | OUTPUT: |
| 346 | RETVAL |
537 | RETVAL |
| 347 | |
538 | |
| 348 | SV * |
539 | SV * |
| 349 | _process_counter (SV *self, ...) |
540 | _process_counter (BUFOBJ self, ...) |
| 350 | ALIAS: |
541 | ALIAS: |
| 351 | _process_gauge = 0 |
542 | _process_gauge = 0 |
| 352 | _process_timeticks = 0 |
543 | _process_timeticks = 0 |
| 353 | CODE: |
544 | CODE: |
| 354 | RETVAL = process_unsigned32_sv (); |
545 | RETVAL = process_unsigned32_sv (); |
| 355 | OUTPUT: |
546 | OUTPUT: |
| 356 | RETVAL |
547 | RETVAL |
| 357 | |
548 | |
|
|
549 | #if IVSIZE >= 8 |
|
|
550 | |
| 358 | SV * |
551 | SV * |
|
|
552 | _process_counter64 (BUFOBJ self, ...) |
|
|
553 | CODE: |
|
|
554 | RETVAL = process_unsigned64_sv (); |
|
|
555 | OUTPUT: |
|
|
556 | RETVAL |
|
|
557 | |
|
|
558 | #endif |
|
|
559 | |
|
|
560 | SV * |
| 359 | _process_object_identifier (SV *self, ...) |
561 | _process_object_identifier (BUFOBJ self, ...) |
| 360 | CODE: |
562 | CODE: |
| 361 | RETVAL = process_object_identifier_sv (); |
563 | RETVAL = process_object_identifier_sv (); |
| 362 | OUTPUT: |
564 | OUTPUT: |
| 363 | RETVAL |
565 | RETVAL |
| 364 | |
566 | |
| 365 | SV * |
567 | SV * |
| 366 | _process_octet_string (SV *self, ...) |
568 | _process_octet_string (BUFOBJ self, ...) |
| 367 | ALIAS: |
569 | ALIAS: |
| 368 | _process_opaque = 0 |
570 | _process_opaque = 0 |
| 369 | CODE: |
571 | CODE: |
| 370 | RETVAL = process_octet_string_sv (); |
572 | RETVAL = process_octet_string_sv (); |
| 371 | OUTPUT: |
573 | OUTPUT: |
| 372 | RETVAL |
574 | RETVAL |
| 373 | |
575 | |
| 374 | SV * |
576 | SV * |
| 375 | _process_ipaddress (SV *self, ...) |
577 | _process_ipaddress (BUFOBJ self, ...) |
| 376 | CODE: |
578 | CODE: |
| 377 | { |
579 | { |
| 378 | U32 length = process_length (); |
580 | U32 length = process_length (); |
| 379 | if (length != 4) |
581 | if (length != 4) |
| 380 | { |
582 | { |
| … | |
… | |
| 387 | } |
589 | } |
| 388 | OUTPUT: |
590 | OUTPUT: |
| 389 | RETVAL |
591 | RETVAL |
| 390 | |
592 | |
| 391 | SV * |
593 | SV * |
| 392 | process (SV *self, SV *expected = 0, SV *found = 0) |
594 | process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
| 393 | PPCODE: |
595 | CODE: |
| 394 | { |
596 | { |
| 395 | U8 type = get8 (); |
597 | int type; |
| 396 | |
598 | |
| 397 | if (expected && SvOK (expected) && type != SvIV (expected)) |
599 | RETVAL = process_sv (&type); |
| 398 | { |
|
|
| 399 | error ("Expected a different type than found"); |
|
|
| 400 | XSRETURN_UNDEF; |
|
|
| 401 | } |
|
|
| 402 | |
|
|
| 403 | if (type > AvFILLp (av_type) || !SvTYPE (AvARRAY (av_type)[type]) == SVt_PVCV) |
|
|
| 404 | { |
|
|
| 405 | sv_dump (AvARRAY (av_type)[type]);//D |
|
|
| 406 | error ("Unknown ASN.1 type"); |
|
|
| 407 | XSRETURN_UNDEF; |
|
|
| 408 | } |
|
|
| 409 | |
600 | |
| 410 | if (found) |
601 | if (found) |
| 411 | sv_setiv (found, type); |
602 | sv_setiv (found, type); |
| 412 | |
603 | |
| 413 | //TODO: switch based on type, to avoid calling overhead |
604 | if (SvOK (expected) && type != SvIV (expected)) |
| 414 | SV *res; |
605 | error ("Expected a different type than found"); |
|
|
606 | } |
|
|
607 | OUTPUT: |
|
|
608 | RETVAL |
| 415 | |
609 | |
| 416 | switch (type) |
610 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
|
|
611 | |
|
|
612 | SV * |
|
|
613 | _process_var_bind_list (BUFOBJ self) |
|
|
614 | CODE: |
|
|
615 | { |
|
|
616 | if (get8 () != ASN_SEQUENCE) |
|
|
617 | error ("SEQUENCE expected at beginning of VarBindList"); |
|
|
618 | int seqlen = process_length (); |
|
|
619 | U8 *end = cur + seqlen; |
|
|
620 | |
|
|
621 | HV *list = newHV (); |
|
|
622 | AV *names = newAV (); |
|
|
623 | HV *types = newHV (); |
|
|
624 | |
|
|
625 | hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
|
|
626 | hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
|
|
627 | hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
|
|
628 | |
|
|
629 | while (cur < end && !errflag) |
| 417 | { |
630 | { |
|
|
631 | // SEQUENCE ObjectName ObjectSyntax |
|
|
632 | if (get8 () != ASN_SEQUENCE) |
|
|
633 | error ("SEQUENCE expected at beginning of VarBind"); |
|
|
634 | process_length (); |
|
|
635 | |
| 418 | case ASN_OBJECT_IDENTIFIER: |
636 | if (get8 () != ASN_OBJECT_IDENTIFIER) |
|
|
637 | error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
|
|
638 | int type, oidlen; |
| 419 | res = sv_2mortal (process_object_identifier_sv ()); |
639 | SV *oid = process_object_identifier_sv (); |
| 420 | break; |
640 | SV *val = process_sv (&type); |
| 421 | |
641 | |
| 422 | case ASN_INTEGER32: |
642 | hv_store_ent (types, oid, newSViv (type), 0); |
| 423 | res = sv_2mortal (process_integer32_sv ()); |
643 | hv_store_ent (list , oid, val, 0); |
| 424 | break; |
644 | av_push (names, oid); |
| 425 | |
|
|
| 426 | case ASN_UNSIGNED32: |
|
|
| 427 | case ASN_COUNTER32: |
|
|
| 428 | case ASN_TIMETICKS: |
|
|
| 429 | res = sv_2mortal (process_unsigned32_sv ()); |
|
|
| 430 | break; |
|
|
| 431 | |
|
|
| 432 | case ASN_SEQUENCE: |
|
|
| 433 | res = sv_2mortal (newSVuv (process_length ())); |
|
|
| 434 | break; |
|
|
| 435 | |
|
|
| 436 | case ASN_OCTET_STRING: |
|
|
| 437 | case ASN_OPAQUE: |
|
|
| 438 | res = sv_2mortal (process_octet_string_sv ()); |
|
|
| 439 | break; |
|
|
| 440 | |
|
|
| 441 | default: |
|
|
| 442 | { |
|
|
| 443 | dSP; |
|
|
| 444 | PUSHMARK (SP); |
|
|
| 445 | EXTEND (SP, 2); |
|
|
| 446 | PUSHs (self); |
|
|
| 447 | PUSHs (expected); |
|
|
| 448 | PUTBACK; |
|
|
| 449 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
|
|
| 450 | SPAGAIN; |
|
|
| 451 | res = count ? TOPs : &PL_sv_undef; |
|
|
| 452 | } |
|
|
| 453 | } |
645 | } |
|
|
646 | |
|
|
647 | // sigh - great design to do it here |
|
|
648 | SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
| 454 | |
649 | |
| 455 | XPUSHs (errflag ? &PL_sv_undef : res); |
650 | if (SvIV (pdu_type) == 0xa8) // REPORT |
|
|
651 | { |
|
|
652 | PUSHMARK (SP); |
|
|
653 | XPUSHs (msg); |
|
|
654 | PUTBACK; |
|
|
655 | call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
|
|
656 | SPAGAIN; |
|
|
657 | XSRETURN_EMPTY; |
|
|
658 | } |
|
|
659 | |
|
|
660 | RETVAL = newRV_inc ((SV *)list); |
| 456 | } |
661 | } |
|
|
662 | OUTPUT: |
|
|
663 | RETVAL |
| 457 | |
664 | |
| 458 | #if 0 |
|
|
| 459 | |
|
|
| 460 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
665 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
| 461 | |
666 | |
| 462 | SV * |
667 | void |
| 463 | _process_var_bind_list (SV *self) |
668 | oid_base_match (SV *base_, SV *oid_) |
|
|
669 | PROTOTYPE: $$ |
|
|
670 | ALIAS: |
|
|
671 | oid_context_match = 0 |
|
|
672 | PPCODE: |
|
|
673 | { |
|
|
674 | if (!SvOK (base_) || !SvOK (oid_)) |
|
|
675 | XSRETURN_NO; |
|
|
676 | |
|
|
677 | STRLEN blen, olen; |
|
|
678 | char *base = SvPVbyte (base_, blen); |
|
|
679 | char *oid = SvPVbyte (oid_ , olen); |
|
|
680 | |
|
|
681 | blen -= *base == '.'; base += *base == '.'; |
|
|
682 | olen -= *base == '.'; oid += *oid == '.'; |
|
|
683 | |
|
|
684 | if (olen < blen) |
|
|
685 | XSRETURN_NO; |
|
|
686 | |
|
|
687 | if (memcmp (base, oid, blen)) |
|
|
688 | XSRETURN_NO; |
|
|
689 | |
|
|
690 | if (oid [blen] && oid [blen] != '.') |
|
|
691 | XSRETURN_NO; |
|
|
692 | |
|
|
693 | XSRETURN_YES; |
|
|
694 | } |
|
|
695 | |
|
|
696 | #if HAVE_VERSIONSORT |
|
|
697 | |
|
|
698 | void |
|
|
699 | oid_lex_sort (...) |
|
|
700 | PROTOTYPE: @ |
|
|
701 | PPCODE: |
|
|
702 | { |
|
|
703 | // make sure SvPVX is valid |
|
|
704 | int i; |
|
|
705 | for (i = items; i--; ) |
|
|
706 | { |
|
|
707 | SV *sv = ST (i); |
|
|
708 | |
|
|
709 | if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
|
|
710 | SvPV_force_nolen (sv); |
|
|
711 | } |
|
|
712 | |
|
|
713 | qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
|
|
714 | |
|
|
715 | EXTEND (SP, items); |
|
|
716 | // we cheat somewhat by not returning copies here |
|
|
717 | for (i = 0; i < items; ++i) |
|
|
718 | PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
|
|
719 | } |
|
|
720 | |
|
|
721 | int |
|
|
722 | _index_cmp (const char *a, const char *b) |
|
|
723 | PROTOTYPE: $$ |
| 464 | CODE: |
724 | CODE: |
| 465 | { |
725 | RETVAL = strverscmp (a, b); |
| 466 | # VarBindList::=SEQUENCE |
726 | OUTPUT: |
| 467 | if (!defined($value = $this->process(SEQUENCE))) { |
727 | RETVAL |
| 468 | return $this->_error; |
|
|
| 469 | } |
|
|
| 470 | |
|
|
| 471 | # Using the length of the VarBindList SEQUENCE, |
|
|
| 472 | # calculate the end index. |
|
|
| 473 | |
|
|
| 474 | my $end = $this->index + $value; |
|
|
| 475 | |
|
|
| 476 | $this->{_var_bind_list} = {}; |
|
|
| 477 | $this->{_var_bind_names} = []; |
|
|
| 478 | $this->{_var_bind_types} = {}; |
|
|
| 479 | |
|
|
| 480 | my ($oid, $type); |
|
|
| 481 | |
|
|
| 482 | while ($this->index < $end) { |
|
|
| 483 | |
|
|
| 484 | # VarBind::=SEQUENCE |
|
|
| 485 | if (!defined($this->process(SEQUENCE))) { |
|
|
| 486 | return $this->_error; |
|
|
| 487 | } |
|
|
| 488 | # name::=ObjectName |
|
|
| 489 | if (!defined($oid = $this->process(OBJECT_IDENTIFIER))) { |
|
|
| 490 | return $this->_error; |
|
|
| 491 | } |
|
|
| 492 | # value::=ObjectSyntax |
|
|
| 493 | if (!defined($value = $this->process(undef, $type))) { |
|
|
| 494 | return $this->_error; |
|
|
| 495 | } |
|
|
| 496 | |
|
|
| 497 | # Create a hash consisting of the OBJECT IDENTIFIER as a |
|
|
| 498 | # key and the ObjectSyntax as the value. If there is a |
|
|
| 499 | # duplicate OBJECT IDENTIFIER in the VarBindList, we pad |
|
|
| 500 | # that OBJECT IDENTIFIER with spaces to make a unique |
|
|
| 501 | # key in the hash. |
|
|
| 502 | |
|
|
| 503 | while (exists($this->{_var_bind_list}->{$oid})) { |
|
|
| 504 | $oid .= ' '; # Pad with spaces |
|
|
| 505 | } |
|
|
| 506 | |
|
|
| 507 | DEBUG_INFO('{ %s => %s: %s }', $oid, asn1_itoa($type), $value); |
|
|
| 508 | $this->{_var_bind_list}->{$oid} = $value; |
|
|
| 509 | $this->{_var_bind_types}->{$oid} = $type; |
|
|
| 510 | |
|
|
| 511 | # Create an array with the ObjectName OBJECT IDENTIFIERs |
|
|
| 512 | # so that the order in which the VarBinds where encoded |
|
|
| 513 | # in the PDU can be retrieved later. |
|
|
| 514 | |
|
|
| 515 | push(@{$this->{_var_bind_names}}, $oid); |
|
|
| 516 | |
|
|
| 517 | } |
|
|
| 518 | |
|
|
| 519 | # Return an error based on the contents of the VarBindList |
|
|
| 520 | # if we received a Report-PDU. |
|
|
| 521 | |
|
|
| 522 | return $this->_report_pdu_error if ($this->{_pdu_type} == REPORT); |
|
|
| 523 | |
|
|
| 524 | # Return the var_bind_list hash |
|
|
| 525 | $this->{_var_bind_list}; |
|
|
| 526 | } |
|
|
| 527 | |
728 | |
| 528 | #endif |
729 | #endif |
| 529 | |
730 | |
