| 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 | // this is not just for comments, but also for |
|
|
7 | // integer constant semantics, |
|
|
8 | // sscanf format modifiers and more. |
| 6 | |
9 | |
| 7 | enum { |
10 | enum { |
| 8 | // ASN_TAG |
11 | // ASN_TAG |
| 9 | ASN_BOOLEAN = 0x01, |
12 | ASN_BOOLEAN = 0x01, |
| 10 | ASN_INTEGER32 = 0x02, |
13 | ASN_INTEGER = 0x02, |
| 11 | ASN_BIT_STRING = 0x03, |
14 | ASN_BIT_STRING = 0x03, |
| 12 | ASN_OCTET_STRING = 0x04, |
15 | ASN_OCTET_STRING = 0x04, |
| 13 | ASN_NULL = 0x05, |
16 | ASN_NULL = 0x05, |
| 14 | ASN_OBJECT_IDENTIFIER = 0x06, |
17 | ASN_OBJECT_IDENTIFIER = 0x06, |
| 15 | ASN_OID = 0x06, |
18 | ASN_OID = 0x06, |
| … | |
… | |
| 55 | ASN_CLASS_SHIFT = 6, |
58 | ASN_CLASS_SHIFT = 6, |
| 56 | |
59 | |
| 57 | // ASN_APPLICATION SNMP |
60 | // ASN_APPLICATION SNMP |
| 58 | SNMP_IPADDRESS = 0x00, |
61 | SNMP_IPADDRESS = 0x00, |
| 59 | SNMP_COUNTER32 = 0x01, |
62 | SNMP_COUNTER32 = 0x01, |
|
|
63 | SNMP_GAUGE32 = 0x02, |
| 60 | SNMP_UNSIGNED32 = 0x02, |
64 | SNMP_UNSIGNED32 = 0x02, |
| 61 | SNMP_TIMETICKS = 0x03, |
65 | SNMP_TIMETICKS = 0x03, |
| 62 | SNMP_OPAQUE = 0x04, |
66 | SNMP_OPAQUE = 0x04, |
| 63 | SNMP_COUNTER64 = 0x06, |
67 | SNMP_COUNTER64 = 0x06, |
| 64 | }; |
68 | }; |
| 65 | |
69 | |
|
|
70 | // tlow-level types this module can ecode the above (and more) into |
| 66 | enum { |
71 | enum { |
| 67 | BER_TYPE_BYTES, |
72 | BER_TYPE_BYTES, |
| 68 | BER_TYPE_UTF8, |
73 | BER_TYPE_UTF8, |
| 69 | BER_TYPE_UCS2, |
74 | BER_TYPE_UCS2, |
| 70 | BER_TYPE_UCS4, |
75 | BER_TYPE_UCS4, |
| … | |
… | |
| 76 | BER_TYPE_REAL, |
81 | BER_TYPE_REAL, |
| 77 | BER_TYPE_IPADDRESS, |
82 | BER_TYPE_IPADDRESS, |
| 78 | BER_TYPE_CROAK, |
83 | BER_TYPE_CROAK, |
| 79 | }; |
84 | }; |
| 80 | |
85 | |
|
|
86 | // tuple array indices |
| 81 | enum { |
87 | enum { |
| 82 | BER_CLASS = 0, |
88 | BER_CLASS = 0, |
| 83 | BER_TAG = 1, |
89 | BER_TAG = 1, |
| 84 | BER_CONSTRUCTED = 2, |
90 | BER_FLAGS = 2, |
| 85 | BER_DATA = 3, |
91 | BER_DATA = 3, |
| 86 | BER_ARRAYSIZE |
92 | BER_ARRAYSIZE |
| 87 | }; |
93 | }; |
| 88 | |
94 | |
| 89 | #define MAX_OID_STRLEN 4096 |
95 | #define MAX_OID_STRLEN 4096 |
| 90 | |
96 | |
| … | |
… | |
| 137 | { |
143 | { |
| 138 | if (!SvOK (profile)) |
144 | if (!SvOK (profile)) |
| 139 | return default_profile; |
145 | return default_profile; |
| 140 | |
146 | |
| 141 | if (!SvROK (profile)) |
147 | if (!SvROK (profile)) |
| 142 | croak ("invalid profile"); |
148 | croak ("Convert::BER::XS::Profile expected"); |
| 143 | |
149 | |
| 144 | profile = SvRV (profile); |
150 | profile = SvRV (profile); |
| 145 | |
151 | |
| 146 | if (SvSTASH (profile) != profile_stash) |
152 | if (SvSTASH (profile) != profile_stash) |
| 147 | croak ("invalid profile object"); |
153 | croak ("Convert::BER::XS::Profile expected"); |
| 148 | |
154 | |
| 149 | return (void *)profile; |
155 | return (void *)profile; |
| 150 | } |
156 | } |
| 151 | |
157 | |
| 152 | static int |
158 | static int |
| … | |
… | |
| 159 | return BER_TYPE_BYTES; |
165 | return BER_TYPE_BYTES; |
| 160 | |
166 | |
| 161 | return SvPVX (sv)[idx]; |
167 | return SvPVX (sv)[idx]; |
| 162 | } |
168 | } |
| 163 | |
169 | |
| 164 | static int |
170 | static void |
| 165 | profile_set (profile_type *profile, int klass, int tag, int type) |
171 | profile_set (profile_type *profile, int klass, int tag, int type) |
| 166 | { |
172 | { |
| 167 | SV *sv = (SV *)profile; |
173 | SV *sv = (SV *)profile; |
| 168 | U32 idx = (tag << 2) + klass; |
174 | U32 idx = (tag << 2) + klass; |
| 169 | STRLEN oldlen = SvCUR (sv); |
175 | STRLEN oldlen = SvCUR (sv); |
| … | |
… | |
| 178 | |
184 | |
| 179 | SvPVX (sv)[idx] = type; |
185 | SvPVX (sv)[idx] = type; |
| 180 | } |
186 | } |
| 181 | |
187 | |
| 182 | static SV * |
188 | static SV * |
| 183 | profile_new () |
189 | profile_new (void) |
| 184 | { |
190 | { |
| 185 | SV *sv = newSVpvn ("", 0); |
191 | SV *sv = newSVpvn ("", 0); |
| 186 | |
192 | |
| 187 | static const struct { |
193 | static const struct { |
| 188 | int klass; |
194 | int klass; |
| 189 | int tag; |
195 | int tag; |
| 190 | int type; |
196 | int type; |
| 191 | } *celem, default_map[] = { |
197 | } *celem, default_map[] = { |
| 192 | { ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, |
198 | { ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, |
| 193 | { ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT }, |
199 | { ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT }, |
| 194 | { ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, |
200 | { ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, |
| 195 | { ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, |
201 | { ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, |
| 196 | { ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID }, |
|
|
| 197 | { ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, |
202 | { ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, |
| 198 | { ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, |
203 | { ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, |
|
|
204 | { ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT }, |
| 199 | { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
205 | { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
| 200 | { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
206 | { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
| 201 | { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
207 | { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
| 202 | }; |
208 | }; |
| 203 | |
209 | |
| 204 | for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--) |
210 | for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; ) |
| 205 | profile_set ((void *)sv, celem->klass, celem->tag, celem->type); |
211 | profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type); |
| 206 | |
212 | |
| 207 | return sv_bless (newRV_noinc (sv), profile_stash); |
213 | return sv_bless (newRV_noinc (sv), profile_stash); |
| 208 | } |
214 | } |
| 209 | |
215 | |
| 210 | ///////////////////////////////////////////////////////////////////////////// |
216 | ///////////////////////////////////////////////////////////////////////////// |
| … | |
… | |
| 223 | error ("unexpected end of message buffer"); |
229 | error ("unexpected end of message buffer"); |
| 224 | } |
230 | } |
| 225 | |
231 | |
| 226 | // get_* functions fetch something from the buffer |
232 | // get_* functions fetch something from the buffer |
| 227 | // decode_* functions use get_* fun ctions to decode ber values |
233 | // decode_* functions use get_* fun ctions to decode ber values |
|
|
234 | |
|
|
235 | // get single octet |
|
|
236 | static U8 |
|
|
237 | get_u8 (void) |
|
|
238 | { |
|
|
239 | if (cur == end) |
|
|
240 | error ("unexpected end of message buffer"); |
|
|
241 | |
|
|
242 | return *cur++; |
|
|
243 | } |
| 228 | |
244 | |
| 229 | // get n octets |
245 | // get n octets |
| 230 | static U8 * |
246 | static U8 * |
| 231 | get_n (UV count) |
247 | get_n (UV count) |
| 232 | { |
248 | { |
| … | |
… | |
| 234 | U8 *res = cur; |
250 | U8 *res = cur; |
| 235 | cur += count; |
251 | cur += count; |
| 236 | return res; |
252 | return res; |
| 237 | } |
253 | } |
| 238 | |
254 | |
| 239 | // get single octet |
|
|
| 240 | static U8 |
|
|
| 241 | get_u8 (void) |
|
|
| 242 | { |
|
|
| 243 | if (cur == end) |
|
|
| 244 | error ("unexpected end of message buffer"); |
|
|
| 245 | |
|
|
| 246 | return *cur++; |
|
|
| 247 | } |
|
|
| 248 | |
|
|
| 249 | // get ber-encoded integer (i.e. pack "w") |
255 | // get ber-encoded integer (i.e. pack "w") |
| 250 | static U32 |
256 | static UV |
| 251 | get_w (void) |
257 | get_w (void) |
| 252 | { |
258 | { |
| 253 | U32 res = 0; |
259 | UV res = 0; |
|
|
260 | U8 c = get_u8 (); |
|
|
261 | |
|
|
262 | if (expect_false (c == 0x80)) |
|
|
263 | error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)"); |
| 254 | |
264 | |
| 255 | for (;;) |
265 | for (;;) |
| 256 | { |
266 | { |
| 257 | U8 c = get_u8 (); |
267 | if (expect_false (res >> UVSIZE * 8 - 7)) |
|
|
268 | error ("BER variable length integer overflow"); |
|
|
269 | |
| 258 | res = (res << 7) | (c & 0x7f); |
270 | res = (res << 7) | (c & 0x7f); |
| 259 | |
271 | |
| 260 | if (!(c & 0x80)) |
272 | if (expect_true (!(c & 0x80))) |
| 261 | return res; |
273 | return res; |
| 262 | } |
|
|
| 263 | } |
|
|
| 264 | |
274 | |
|
|
275 | c = get_u8 (); |
|
|
276 | } |
|
|
277 | } |
|
|
278 | |
| 265 | static U32 |
279 | static UV |
| 266 | get_length (void) |
280 | get_length (void) |
| 267 | { |
281 | { |
| 268 | U32 res = get_u8 (); |
282 | UV res = get_u8 (); |
| 269 | |
283 | |
| 270 | if (res & 0x80) |
284 | if (expect_false (res & 0x80)) |
| 271 | { |
285 | { |
| 272 | int cnt = res & 0x7f; |
286 | U8 cnt = res & 0x7f; |
|
|
287 | |
|
|
288 | // this genewrates quite ugly code, but the overhead |
|
|
289 | // of copying the bytes for these lengths is probably so high |
|
|
290 | // that a slightly inefficient get_length won't matter. |
|
|
291 | |
|
|
292 | if (expect_false (cnt == 0)) |
|
|
293 | error ("indefinite BER value lengths not supported"); |
|
|
294 | |
|
|
295 | if (expect_false (cnt > UVSIZE)) |
|
|
296 | error ("BER value length too long (must fit into UV) or BER reserved value in length (X.690 8.1.3.5)"); |
|
|
297 | |
|
|
298 | want (cnt); |
|
|
299 | |
| 273 | res = 0; |
300 | res = 0; |
| 274 | |
301 | do |
| 275 | switch (cnt) |
302 | res = (res << 8) | *cur++; |
| 276 | { |
303 | while (--cnt); |
| 277 | case 0: |
|
|
| 278 | error ("indefinite ASN.1 lengths not supported"); |
|
|
| 279 | return 0; |
|
|
| 280 | |
|
|
| 281 | default: |
|
|
| 282 | error ("ASN.1 length too long"); |
|
|
| 283 | return 0; |
|
|
| 284 | |
|
|
| 285 | case 4: res = (res << 8) | get_u8 (); |
|
|
| 286 | case 3: res = (res << 8) | get_u8 (); |
|
|
| 287 | case 2: res = (res << 8) | get_u8 (); |
|
|
| 288 | case 1: res = (res << 8) | get_u8 (); |
|
|
| 289 | } |
|
|
| 290 | } |
304 | } |
| 291 | |
305 | |
| 292 | return res; |
306 | return res; |
| 293 | } |
307 | } |
| 294 | |
308 | |
| 295 | static SV * |
309 | static SV * |
| 296 | decode_int () |
310 | decode_int (UV len) |
| 297 | { |
311 | { |
| 298 | int len = get_length (); |
|
|
| 299 | |
|
|
| 300 | if (len <= 0) |
312 | if (!len) |
| 301 | { |
313 | error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)"); |
| 302 | error ("integer length equal to zero"); |
|
|
| 303 | return 0; |
|
|
| 304 | } |
|
|
| 305 | |
314 | |
| 306 | U8 *data = get_n (len); |
315 | U8 *data = get_n (len); |
| 307 | |
316 | |
|
|
317 | if (expect_false (len > 1)) |
|
|
318 | { |
|
|
319 | U16 mask = (data [0] << 8) | data [1] & 0xff80; |
|
|
320 | |
|
|
321 | if (expect_false (mask == 0xff80 || mask == 0x0000)) |
|
|
322 | error ("illegal padding in BER_TYPE_INT (X.690 8.3.2)"); |
|
|
323 | } |
|
|
324 | |
| 308 | int negative = data [0] & 0x80; |
325 | int negative = data [0] & 0x80; |
| 309 | |
326 | |
| 310 | UV val = negative ? -1 : 0; // copy signbit to all bits |
327 | UV val = negative ? -1 : 0; // copy signbit to all bits |
|
|
328 | |
|
|
329 | if (len > UVSIZE + (!negative && !*data)) |
|
|
330 | error ("BER_TYPE_INT overflow"); |
| 311 | |
331 | |
| 312 | do |
332 | do |
| 313 | val = (val << 8) | *data++; |
333 | val = (val << 8) | *data++; |
| 314 | while (--len); |
334 | while (--len); |
| 315 | |
335 | |
| … | |
… | |
| 317 | // but that's ok, as perl relies on it as well. |
337 | // but that's ok, as perl relies on it as well. |
| 318 | return negative ? newSViv ((IV)val) : newSVuv (val); |
338 | return negative ? newSViv ((IV)val) : newSVuv (val); |
| 319 | } |
339 | } |
| 320 | |
340 | |
| 321 | static SV * |
341 | static SV * |
| 322 | decode_data (void) |
342 | decode_data (UV len) |
| 323 | { |
343 | { |
| 324 | U32 len = get_length (); |
|
|
| 325 | U8 *data = get_n (len); |
|
|
| 326 | return newSVpvn ((char *)data, len); |
344 | return newSVpvn ((char *)get_n (len), len); |
| 327 | } |
345 | } |
| 328 | |
346 | |
| 329 | // gelper for decode_object_identifier |
347 | // helper for decode_object_identifier |
| 330 | static char * |
348 | static char * |
| 331 | write_uv (char *buf, U32 u) |
349 | write_uv (char *buf, UV u) |
| 332 | { |
350 | { |
| 333 | // the one-digit case is absolutely predominant, so this pays off (hopefully) |
351 | // the one-digit case is absolutely predominant, so this pays off (hopefully) |
| 334 | if (expect_true (u < 10)) |
352 | if (expect_true (u < 10)) |
| 335 | *buf++ = u + '0'; |
353 | *buf++ = u + '0'; |
| 336 | else |
354 | else |
| 337 | { |
355 | { |
|
|
356 | // this *could* be done much faster using branchless fixed-point arithmetics |
| 338 | char *beg = buf; |
357 | char *beg = buf; |
| 339 | |
358 | |
| 340 | do |
359 | do |
| 341 | { |
360 | { |
| 342 | *buf++ = u % 10 + '0'; |
361 | *buf++ = u % 10 + '0'; |
| 343 | u /= 10; |
362 | u /= 10; |
| 344 | } |
363 | } |
| 345 | while (u); |
364 | while (u); |
| 346 | |
365 | |
| 347 | // reverse digits |
366 | // reverse digits |
| 348 | for (char *ptr = buf; --ptr != beg; ++beg) |
367 | char *ptr = buf; |
|
|
368 | while (--ptr > beg) |
| 349 | { |
369 | { |
| 350 | char c = *ptr; |
370 | char c = *ptr; |
| 351 | *ptr = *beg; |
371 | *ptr = *beg; |
| 352 | *beg = c; |
372 | *beg = c; |
|
|
373 | ++beg; |
| 353 | } |
374 | } |
| 354 | } |
375 | } |
| 355 | |
376 | |
| 356 | return buf; |
377 | return buf; |
| 357 | } |
378 | } |
| 358 | |
379 | |
| 359 | static SV * |
380 | static SV * |
| 360 | decode_oid (int relative) |
381 | decode_oid (UV len, int relative) |
| 361 | { |
382 | { |
| 362 | U32 len = get_length (); |
|
|
| 363 | |
|
|
| 364 | if (len <= 0) |
383 | if (len <= 0) |
| 365 | { |
384 | { |
| 366 | error ("OBJECT IDENTIFIER length equal to zero"); |
385 | error ("BER_TYPE_OID length must not be zero"); |
| 367 | return &PL_sv_undef; |
386 | return &PL_sv_undef; |
| 368 | } |
387 | } |
| 369 | |
388 | |
| 370 | U8 *end = cur + len; |
389 | U8 *end = cur + len; |
| 371 | U32 w = get_w (); |
390 | UV w = get_w (); |
| 372 | |
391 | |
| 373 | static char oid[MAX_OID_STRLEN]; // must be static |
392 | static char oid[MAX_OID_STRLEN]; // static, because too large for stack |
| 374 | char *app = oid; |
393 | char *app = oid; |
| 375 | |
394 | |
| 376 | if (relative) |
395 | if (relative) |
| 377 | app = write_uv (app, w); |
396 | app = write_uv (app, w); |
| 378 | else |
397 | else |
| 379 | { |
398 | { |
|
|
399 | UV w1, w2; |
|
|
400 | |
|
|
401 | if (w < 2 * 40) |
|
|
402 | (w1 = w / 40), (w2 = w % 40); |
|
|
403 | else |
|
|
404 | (w1 = 2), (w2 = w - 2 * 40); |
|
|
405 | |
| 380 | app = write_uv (app, (U8)w / 40); |
406 | app = write_uv (app, w1); |
| 381 | *app++ = '.'; |
407 | *app++ = '.'; |
| 382 | app = write_uv (app, (U8)w % 40); |
408 | app = write_uv (app, w2); |
|
|
409 | } |
|
|
410 | |
|
|
411 | while (cur < end) |
| 383 | } |
412 | { |
| 384 | |
|
|
| 385 | // we assume an oid component is never > 64 bytes |
413 | // we assume an oid component is never > 64 digits |
| 386 | while (cur < end && oid + sizeof (oid) - app > 64) |
414 | if (oid + sizeof (oid) - app < 64) |
| 387 | { |
415 | croak ("BER_TYPE_OID to long to decode"); |
|
|
416 | |
| 388 | w = get_w (); |
417 | w = get_w (); |
| 389 | *app++ = '.'; |
418 | *app++ = '.'; |
| 390 | app = write_uv (app, w); |
419 | app = write_uv (app, w); |
| 391 | } |
420 | } |
| 392 | |
421 | |
| 393 | return newSVpvn (oid, app - oid); |
422 | return newSVpvn (oid, app - oid); |
| 394 | } |
423 | } |
| 395 | |
424 | |
| 396 | // TODO: this is unacceptably slow |
425 | // TODO: this is unacceptably slow |
| 397 | static SV * |
426 | static SV * |
| 398 | decode_ucs (int chrsize) |
427 | decode_ucs (UV len, int chrsize) |
| 399 | { |
428 | { |
| 400 | SV *res = NEWSV (0, 0); |
|
|
| 401 | |
|
|
| 402 | U32 len = get_length (); |
|
|
| 403 | |
|
|
| 404 | if (len & (chrsize - 1)) |
429 | if (len & (chrsize - 1)) |
| 405 | croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len); |
430 | croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len); |
|
|
431 | |
|
|
432 | SV *res = NEWSV (0, 0); |
| 406 | |
433 | |
| 407 | while (len) |
434 | while (len) |
| 408 | { |
435 | { |
| 409 | U8 b1 = get_u8 (); |
436 | U8 b1 = get_u8 (); |
| 410 | U8 b2 = get_u8 (); |
437 | U8 b2 = get_u8 (); |
| … | |
… | |
| 428 | |
455 | |
| 429 | return res; |
456 | return res; |
| 430 | } |
457 | } |
| 431 | |
458 | |
| 432 | static SV * |
459 | static SV * |
| 433 | decode_ber () |
460 | decode_ber (void) |
| 434 | { |
461 | { |
| 435 | int identifier = get_u8 (); |
462 | int identifier = get_u8 (); |
| 436 | |
463 | |
| 437 | SV *res; |
464 | SV *res; |
| 438 | |
465 | |
| … | |
… | |
| 441 | int tag = identifier & ASN_TAG_MASK; |
468 | int tag = identifier & ASN_TAG_MASK; |
| 442 | |
469 | |
| 443 | if (tag == ASN_TAG_BER) |
470 | if (tag == ASN_TAG_BER) |
| 444 | tag = get_w (); |
471 | tag = get_w (); |
| 445 | |
472 | |
| 446 | if (tag == ASN_TAG_BER) |
|
|
| 447 | tag = get_w (); |
|
|
| 448 | |
|
|
| 449 | if (constructed) |
473 | if (constructed) |
| 450 | { |
474 | { |
| 451 | U32 len = get_length (); |
475 | UV len = get_length (); |
| 452 | U32 seqend = (cur - buf) + len; |
476 | UV seqend = (cur - buf) + len; |
| 453 | AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
477 | AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
| 454 | |
478 | |
| 455 | while (cur < buf + seqend) |
479 | while (cur < buf + seqend) |
| 456 | av_push (av, decode_ber ()); |
480 | av_push (av, decode_ber ()); |
| 457 | |
481 | |
| 458 | if (cur > buf + seqend) |
482 | if (expect_false (cur > buf + seqend)) |
| 459 | croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); |
483 | croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend); |
| 460 | |
484 | |
| 461 | res = newRV_inc ((SV *)av); |
485 | res = newRV_inc ((SV *)av); |
| 462 | } |
486 | } |
| 463 | else |
487 | else |
|
|
488 | { |
|
|
489 | UV len = get_length (); |
|
|
490 | |
| 464 | switch (profile_lookup (cur_profile, klass, tag)) |
491 | switch (profile_lookup (cur_profile, klass, tag)) |
| 465 | { |
492 | { |
| 466 | case BER_TYPE_NULL: |
493 | case BER_TYPE_NULL: |
|
|
494 | if (expect_false (len)) |
|
|
495 | croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len); |
|
|
496 | |
| 467 | res = &PL_sv_undef; |
497 | res = &PL_sv_undef; |
| 468 | break; |
498 | break; |
| 469 | |
499 | |
| 470 | case BER_TYPE_BOOL: |
500 | case BER_TYPE_BOOL: |
| 471 | { |
|
|
| 472 | U32 len = get_length (); |
|
|
| 473 | |
|
|
| 474 | if (len != 1) |
501 | if (expect_false (len != 1)) |
| 475 | croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len); |
502 | croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len); |
| 476 | |
503 | |
| 477 | res = newSVcacheint (get_u8 () ? 0 : 1); |
504 | res = newSVcacheint (!!get_u8 ()); |
| 478 | } |
|
|
| 479 | break; |
505 | break; |
| 480 | |
506 | |
| 481 | case BER_TYPE_OID: |
507 | case BER_TYPE_OID: |
| 482 | res = decode_oid (0); |
508 | res = decode_oid (len, 0); |
| 483 | break; |
509 | break; |
| 484 | |
510 | |
| 485 | case BER_TYPE_RELOID: |
511 | case BER_TYPE_RELOID: |
| 486 | res = decode_oid (1); |
512 | res = decode_oid (len, 1); |
| 487 | break; |
513 | break; |
| 488 | |
514 | |
| 489 | case BER_TYPE_INT: |
515 | case BER_TYPE_INT: |
| 490 | res = decode_int (); |
516 | res = decode_int (len); |
| 491 | break; |
517 | break; |
| 492 | |
518 | |
| 493 | case BER_TYPE_UTF8: |
519 | case BER_TYPE_UTF8: |
| 494 | res = decode_data (); |
520 | res = decode_data (len); |
| 495 | SvUTF8_on (res); |
521 | SvUTF8_on (res); |
| 496 | break; |
522 | break; |
| 497 | |
523 | |
| 498 | case BER_TYPE_BYTES: |
524 | case BER_TYPE_BYTES: |
| 499 | res = decode_data (); |
525 | res = decode_data (len); |
| 500 | break; |
526 | break; |
| 501 | |
527 | |
| 502 | case BER_TYPE_IPADDRESS: |
528 | case BER_TYPE_IPADDRESS: |
| 503 | { |
529 | { |
| 504 | U32 len = get_length (); |
|
|
| 505 | |
|
|
| 506 | if (len != 4) |
530 | if (len != 4) |
| 507 | croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len); |
531 | croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len); |
| 508 | |
532 | |
| 509 | U8 c1 = get_u8 (); |
533 | U8 *data = get_n (4); |
| 510 | U8 c2 = get_u8 (); |
534 | res = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
| 511 | U8 c3 = get_u8 (); |
|
|
| 512 | U8 c4 = get_u8 (); |
|
|
| 513 | |
|
|
| 514 | res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4); |
|
|
| 515 | } |
535 | } |
| 516 | break; |
536 | break; |
| 517 | |
537 | |
| 518 | case BER_TYPE_UCS2: |
538 | case BER_TYPE_UCS2: |
| 519 | res = decode_ucs (2); |
539 | res = decode_ucs (len, 2); |
| 520 | break; |
540 | break; |
| 521 | |
541 | |
| 522 | case BER_TYPE_UCS4: |
542 | case BER_TYPE_UCS4: |
| 523 | res = decode_ucs (4); |
543 | res = decode_ucs (len, 4); |
| 524 | break; |
544 | break; |
| 525 | |
545 | |
| 526 | case BER_TYPE_REAL: |
546 | case BER_TYPE_REAL: |
|
|
547 | error ("BER_TYPE_REAL not implemented"); |
|
|
548 | |
| 527 | case BER_TYPE_CROAK: |
549 | case BER_TYPE_CROAK: |
|
|
550 | croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag); |
|
|
551 | |
| 528 | default: |
552 | default: |
| 529 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
553 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
| 530 | } |
554 | } |
|
|
555 | } |
| 531 | |
556 | |
| 532 | AV *av = newAV (); |
557 | AV *av = newAV (); |
| 533 | av_fill (av, BER_ARRAYSIZE - 1); |
558 | av_fill (av, BER_ARRAYSIZE - 1); |
| 534 | AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass); |
559 | AvARRAY (av)[BER_CLASS] = newSVcacheint (klass); |
| 535 | AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
560 | AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
| 536 | AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0); |
561 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0); |
| 537 | AvARRAY (av)[BER_DATA ] = res; |
562 | AvARRAY (av)[BER_DATA ] = res; |
| 538 | |
563 | |
| 539 | return newRV_noinc ((SV *)av); |
564 | return newRV_noinc ((SV *)av); |
| 540 | } |
565 | } |
| 541 | |
566 | |
| 542 | ///////////////////////////////////////////////////////////////////////////// |
567 | ///////////////////////////////////////////////////////////////////////////// |
| … | |
… | |
| 547 | strlen_sum (STRLEN l1, STRLEN l2) |
572 | strlen_sum (STRLEN l1, STRLEN l2) |
| 548 | { |
573 | { |
| 549 | size_t sum = l1 + l2; |
574 | size_t sum = l1 + l2; |
| 550 | |
575 | |
| 551 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
576 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
| 552 | croak ("JSON::XS: string size overflow"); |
577 | croak ("Convert::BER::XS: string size overflow"); |
| 553 | |
578 | |
| 554 | return sum; |
579 | return sum; |
| 555 | } |
580 | } |
| 556 | |
581 | |
| 557 | static void |
582 | static void |
| 558 | set_buf (SV *sv) |
583 | set_buf (SV *sv) |
| 559 | { |
584 | { |
| 560 | STRLEN len; |
585 | STRLEN len; |
| 561 | buf_sv = sv; |
586 | buf_sv = sv; |
| 562 | buf = SvPVbyte (buf_sv, len); |
587 | buf = (U8 *)SvPVbyte (buf_sv, len); |
| 563 | cur = buf; |
588 | cur = buf; |
| 564 | end = buf + len; |
589 | end = buf + len; |
| 565 | } |
590 | } |
| 566 | |
591 | |
| 567 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
592 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
| … | |
… | |
| 581 | need (STRLEN len) |
606 | need (STRLEN len) |
| 582 | { |
607 | { |
| 583 | if (expect_false ((uintptr_t)(end - cur) < len)) |
608 | if (expect_false ((uintptr_t)(end - cur) < len)) |
| 584 | { |
609 | { |
| 585 | STRLEN pos = cur - buf; |
610 | STRLEN pos = cur - buf; |
| 586 | buf = my_sv_grow (buf_sv, pos, len); |
611 | buf = (U8 *)my_sv_grow (buf_sv, pos, len); |
| 587 | cur = buf + pos; |
612 | cur = buf + pos; |
| 588 | end = buf + SvLEN (buf_sv) - 1; |
613 | end = buf + SvLEN (buf_sv) - 1; |
| 589 | } |
614 | } |
| 590 | } |
615 | } |
| 591 | |
616 | |
| … | |
… | |
| 595 | need (1); |
620 | need (1); |
| 596 | *cur++ = val; |
621 | *cur++ = val; |
| 597 | } |
622 | } |
| 598 | |
623 | |
| 599 | static void |
624 | static void |
| 600 | put_w_nocheck (U32 val) |
625 | put_w_nocheck (UV val) |
| 601 | { |
626 | { |
|
|
627 | #if UVSIZE > 4 |
|
|
628 | *cur = (val >> 7 * 9) | 0x80; cur += val >= ((UV)1 << (7 * 9)); |
|
|
629 | *cur = (val >> 7 * 8) | 0x80; cur += val >= ((UV)1 << (7 * 8)); |
|
|
630 | *cur = (val >> 7 * 7) | 0x80; cur += val >= ((UV)1 << (7 * 7)); |
|
|
631 | *cur = (val >> 7 * 6) | 0x80; cur += val >= ((UV)1 << (7 * 6)); |
|
|
632 | *cur = (val >> 7 * 5) | 0x80; cur += val >= ((UV)1 << (7 * 5)); |
|
|
633 | #endif |
| 602 | *cur = (val >> 7 * 4) | 0x80; cur += val >= (1 << (7 * 4)); |
634 | *cur = (val >> 7 * 4) | 0x80; cur += val >= ((UV)1 << (7 * 4)); |
| 603 | *cur = (val >> 7 * 3) | 0x80; cur += val >= (1 << (7 * 3)); |
635 | *cur = (val >> 7 * 3) | 0x80; cur += val >= ((UV)1 << (7 * 3)); |
| 604 | *cur = (val >> 7 * 2) | 0x80; cur += val >= (1 << (7 * 2)); |
636 | *cur = (val >> 7 * 2) | 0x80; cur += val >= ((UV)1 << (7 * 2)); |
| 605 | *cur = (val >> 7 * 1) | 0x80; cur += val >= (1 << (7 * 1)); |
637 | *cur = (val >> 7 * 1) | 0x80; cur += val >= ((UV)1 << (7 * 1)); |
| 606 | *cur = val & 0x7f; cur += 1; |
638 | *cur = val & 0x7f; cur += 1; |
| 607 | } |
639 | } |
| 608 | |
640 | |
| 609 | static void |
641 | static void |
| 610 | put_w (U32 val) |
642 | put_w (UV val) |
| 611 | { |
643 | { |
| 612 | need (5); // we only handle up to 5 bytes |
644 | need (5); // we only handle up to 5 bytes |
| 613 | |
645 | |
| 614 | put_w_nocheck (val); |
646 | put_w_nocheck (val); |
| 615 | } |
647 | } |
| 616 | |
648 | |
| 617 | static U8 * |
649 | static U8 * |
| 618 | put_length_at (U32 val, U8 *cur) |
650 | put_length_at (UV val, U8 *cur) |
| 619 | { |
651 | { |
| 620 | if (val < 0x7fU) |
652 | if (val <= 0x7fU) |
| 621 | *cur++ = val; |
653 | *cur++ = val; |
| 622 | else |
654 | else |
| 623 | { |
655 | { |
| 624 | U8 *lenb = cur++; |
656 | U8 *lenb = cur++; |
| 625 | |
657 | |
| 626 | *cur = val >> 24; cur += *cur > 0; |
658 | #if UVSIZE > 4 |
| 627 | *cur = val >> 16; cur += *cur > 0; |
659 | *cur = val >> 56; cur += val >= ((UV)1 << (8 * 7)); |
| 628 | *cur = val >> 8; cur += *cur > 0; |
660 | *cur = val >> 48; cur += val >= ((UV)1 << (8 * 6)); |
|
|
661 | *cur = val >> 40; cur += val >= ((UV)1 << (8 * 5)); |
|
|
662 | *cur = val >> 32; cur += val >= ((UV)1 << (8 * 4)); |
|
|
663 | #endif |
|
|
664 | *cur = val >> 24; cur += val >= ((UV)1 << (8 * 3)); |
|
|
665 | *cur = val >> 16; cur += val >= ((UV)1 << (8 * 2)); |
|
|
666 | *cur = val >> 8; cur += val >= ((UV)1 << (8 * 1)); |
| 629 | *cur = val ; cur += 1; |
667 | *cur = val ; cur += 1; |
| 630 | |
668 | |
| 631 | *lenb = 0x80 + cur - lenb - 1; |
669 | *lenb = 0x80 + cur - lenb - 1; |
| 632 | } |
670 | } |
| 633 | |
671 | |
| 634 | return cur; |
672 | return cur; |
| 635 | } |
673 | } |
| 636 | |
674 | |
| 637 | static void |
675 | static void |
| 638 | put_length (U32 val) |
676 | put_length (UV val) |
| 639 | { |
677 | { |
| 640 | need (5 + val); |
678 | need (9 + val); |
| 641 | cur = put_length_at (val, cur); |
679 | cur = put_length_at (val, cur); |
| 642 | } |
680 | } |
| 643 | |
681 | |
| 644 | // return how many bytes the encoded length requires |
682 | // return how many bytes the encoded length requires |
| 645 | static int length_length (U32 val) |
683 | static int length_length (UV val) |
| 646 | { |
684 | { |
| 647 | return val < 0x7fU |
685 | // use hashing with a DeBruin sequence, anyone? |
|
|
686 | return expect_true (val <= 0x7fU) |
| 648 | ? 1 |
687 | ? 1 |
| 649 | : 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU); |
688 | : 2 |
|
|
689 | + (val > 0x000000000000ffU) |
|
|
690 | + (val > 0x0000000000ffffU) |
|
|
691 | + (val > 0x00000000ffffffU) |
|
|
692 | #if UVSIZE > 4 |
|
|
693 | + (val > 0x000000ffffffffU) |
|
|
694 | + (val > 0x0000ffffffffffU) |
|
|
695 | + (val > 0x00ffffffffffffU) |
|
|
696 | + (val > 0xffffffffffffffU) |
|
|
697 | #endif |
|
|
698 | ; |
| 650 | } |
699 | } |
| 651 | |
700 | |
| 652 | static void |
701 | static void |
| 653 | encode_data (const char *ptr, STRLEN len) |
702 | encode_data (const char *ptr, STRLEN len) |
| 654 | { |
703 | { |
| … | |
… | |
| 716 | |
765 | |
| 717 | *lenb = cur - lenb - 1; |
766 | *lenb = cur - lenb - 1; |
| 718 | } |
767 | } |
| 719 | |
768 | |
| 720 | // we don't know the length yet, so we optimistically |
769 | // we don't know the length yet, so we optimistically |
| 721 | // assume the length will need one octet later. if that |
770 | // assume the length will need one octet later. If that |
| 722 | // turns out to be wrong, we memove as needed. |
771 | // turns out to be wrong, we memmove as needed. |
| 723 | // mark the beginning |
772 | // mark the beginning |
| 724 | static STRLEN |
773 | static STRLEN |
| 725 | len_fixup_mark () |
774 | len_fixup_mark (void) |
| 726 | { |
775 | { |
| 727 | return cur++ - buf; |
776 | return cur++ - buf; |
| 728 | } |
777 | } |
| 729 | |
778 | |
| 730 | // patch up the length |
779 | // patch up the length |
| … | |
… | |
| 817 | put_length (uchars * chrsize); |
866 | put_length (uchars * chrsize); |
| 818 | |
867 | |
| 819 | while (uchars--) |
868 | while (uchars--) |
| 820 | { |
869 | { |
| 821 | STRLEN uclen; |
870 | STRLEN uclen; |
| 822 | UV uchr = utf8_to_uvchr_buf (ptr, ptr + len, &uclen); |
871 | UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen); |
| 823 | |
872 | |
| 824 | ptr += uclen; |
873 | ptr += uclen; |
| 825 | len -= uclen; |
874 | len -= uclen; |
| 826 | |
875 | |
| 827 | if (chrsize == 4) |
876 | if (chrsize == 4) |
| … | |
… | |
| 839 | { |
888 | { |
| 840 | AV *av = ber_tuple (tuple); |
889 | AV *av = ber_tuple (tuple); |
| 841 | |
890 | |
| 842 | int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
891 | int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
| 843 | int tag = SvIV (AvARRAY (av)[BER_TAG]); |
892 | int tag = SvIV (AvARRAY (av)[BER_TAG]); |
| 844 | int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0; |
893 | int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0; |
| 845 | SV *data = AvARRAY (av)[BER_DATA]; |
894 | SV *data = AvARRAY (av)[BER_DATA]; |
| 846 | |
895 | |
| 847 | int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
896 | int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
| 848 | |
897 | |
| 849 | if (expect_false (tag >= ASN_TAG_BER)) |
898 | if (expect_false (tag >= ASN_TAG_BER)) |
| … | |
… | |
| 860 | // and adjust later |
909 | // and adjust later |
| 861 | need (1); |
910 | need (1); |
| 862 | STRLEN mark = len_fixup_mark (); |
911 | STRLEN mark = len_fixup_mark (); |
| 863 | |
912 | |
| 864 | if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV)) |
913 | if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV)) |
| 865 | croak ("BER constructed data must be array-reference"); |
914 | croak ("BER CONSTRUCTED data must be array-reference"); |
| 866 | |
915 | |
| 867 | AV *av = (AV *)SvRV (data); |
916 | AV *av = (AV *)SvRV (data); |
| 868 | int fill = AvFILL (av); |
917 | int fill = AvFILL (av); |
| 869 | |
918 | |
| 870 | if (expect_false (SvRMAGICAL (av))) |
919 | if (expect_false (SvRMAGICAL (av))) |
| 871 | croak ("BER constructed data must not be tied"); |
920 | croak ("BER CONSTRUCTED data must not be tied"); |
| 872 | |
921 | |
|
|
922 | int i; |
| 873 | for (int i = 0; i <= fill; ++i) |
923 | for (i = 0; i <= fill; ++i) |
| 874 | encode_ber (AvARRAY (av)[i]); |
924 | encode_ber (AvARRAY (av)[i]); |
| 875 | |
925 | |
| 876 | len_fixup (mark); |
926 | len_fixup (mark); |
| 877 | } |
927 | } |
| 878 | else |
928 | else |
| … | |
… | |
| 882 | put_length (0); |
932 | put_length (0); |
| 883 | break; |
933 | break; |
| 884 | |
934 | |
| 885 | case BER_TYPE_BOOL: |
935 | case BER_TYPE_BOOL: |
| 886 | put_length (1); |
936 | put_length (1); |
| 887 | *cur++ = SvTRUE (data) ? 0xff : 0x00; |
937 | *cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER |
| 888 | break; |
938 | break; |
| 889 | |
939 | |
| 890 | case BER_TYPE_OID: |
940 | case BER_TYPE_OID: |
| 891 | encode_oid (data, 0); |
941 | encode_oid (data, 0); |
| 892 | break; |
942 | break; |
| … | |
… | |
| 930 | case BER_TYPE_UCS4: |
980 | case BER_TYPE_UCS4: |
| 931 | encode_ucs (data, 4); |
981 | encode_ucs (data, 4); |
| 932 | break; |
982 | break; |
| 933 | |
983 | |
| 934 | case BER_TYPE_REAL: |
984 | case BER_TYPE_REAL: |
|
|
985 | croak ("BER_TYPE_REAL not implemented"); |
|
|
986 | |
| 935 | case BER_TYPE_CROAK: |
987 | case BER_TYPE_CROAK: |
|
|
988 | croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag); |
|
|
989 | |
| 936 | default: |
990 | default: |
| 937 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
991 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
| 938 | } |
992 | } |
| 939 | |
993 | |
| 940 | } |
994 | } |
| … | |
… | |
| 955 | const char *name; |
1009 | const char *name; |
| 956 | IV iv; |
1010 | IV iv; |
| 957 | } *civ, const_iv[] = { |
1011 | } *civ, const_iv[] = { |
| 958 | #define const_iv(name) { # name, name }, |
1012 | #define const_iv(name) { # name, name }, |
| 959 | const_iv (ASN_BOOLEAN) |
1013 | const_iv (ASN_BOOLEAN) |
| 960 | const_iv (ASN_INTEGER32) |
1014 | const_iv (ASN_INTEGER) |
| 961 | const_iv (ASN_BIT_STRING) |
1015 | const_iv (ASN_BIT_STRING) |
| 962 | const_iv (ASN_OCTET_STRING) |
1016 | const_iv (ASN_OCTET_STRING) |
| 963 | const_iv (ASN_NULL) |
1017 | const_iv (ASN_NULL) |
| 964 | const_iv (ASN_OBJECT_IDENTIFIER) |
1018 | const_iv (ASN_OBJECT_IDENTIFIER) |
| 965 | const_iv (ASN_OBJECT_DESCRIPTOR) |
1019 | const_iv (ASN_OBJECT_DESCRIPTOR) |
| … | |
… | |
| 994 | const_iv (ASN_CONTEXT) |
1048 | const_iv (ASN_CONTEXT) |
| 995 | const_iv (ASN_PRIVATE) |
1049 | const_iv (ASN_PRIVATE) |
| 996 | |
1050 | |
| 997 | const_iv (BER_CLASS) |
1051 | const_iv (BER_CLASS) |
| 998 | const_iv (BER_TAG) |
1052 | const_iv (BER_TAG) |
| 999 | const_iv (BER_CONSTRUCTED) |
1053 | const_iv (BER_FLAGS) |
| 1000 | const_iv (BER_DATA) |
1054 | const_iv (BER_DATA) |
| 1001 | |
1055 | |
| 1002 | const_iv (BER_TYPE_BYTES) |
1056 | const_iv (BER_TYPE_BYTES) |
| 1003 | const_iv (BER_TYPE_UTF8) |
1057 | const_iv (BER_TYPE_UTF8) |
| 1004 | const_iv (BER_TYPE_UCS2) |
1058 | const_iv (BER_TYPE_UCS2) |
| … | |
… | |
| 1012 | const_iv (BER_TYPE_IPADDRESS) |
1066 | const_iv (BER_TYPE_IPADDRESS) |
| 1013 | const_iv (BER_TYPE_CROAK) |
1067 | const_iv (BER_TYPE_CROAK) |
| 1014 | |
1068 | |
| 1015 | const_iv (SNMP_IPADDRESS) |
1069 | const_iv (SNMP_IPADDRESS) |
| 1016 | const_iv (SNMP_COUNTER32) |
1070 | const_iv (SNMP_COUNTER32) |
|
|
1071 | const_iv (SNMP_GAUGE32) |
| 1017 | const_iv (SNMP_UNSIGNED32) |
1072 | const_iv (SNMP_UNSIGNED32) |
| 1018 | const_iv (SNMP_TIMETICKS) |
1073 | const_iv (SNMP_TIMETICKS) |
| 1019 | const_iv (SNMP_OPAQUE) |
1074 | const_iv (SNMP_OPAQUE) |
| 1020 | const_iv (SNMP_COUNTER64) |
1075 | const_iv (SNMP_COUNTER64) |
| 1021 | }; |
1076 | }; |
| 1022 | |
1077 | |
| 1023 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1078 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
| 1024 | newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1079 | newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
| 1025 | } |
1080 | } |
| 1026 | |
1081 | |
| 1027 | SV * |
1082 | void |
| 1028 | ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
1083 | ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
|
|
1084 | ALIAS: |
|
|
1085 | ber_decode_prefix = 1 |
| 1029 | CODE: |
1086 | PPCODE: |
| 1030 | { |
1087 | { |
| 1031 | cur_profile = SvPROFILE (profile); |
1088 | cur_profile = SvPROFILE (profile); |
| 1032 | STRLEN len; |
1089 | STRLEN len; |
| 1033 | buf = SvPVbyte (ber, len); |
1090 | buf = (U8 *)SvPVbyte (ber, len); |
| 1034 | cur = buf; |
1091 | cur = buf; |
| 1035 | end = buf + len; |
1092 | end = buf + len; |
| 1036 | |
1093 | |
| 1037 | RETVAL = decode_ber (); |
1094 | SV *tuple = decode_ber (); |
|
|
1095 | |
|
|
1096 | EXTEND (SP, 2); |
|
|
1097 | PUSHs (sv_2mortal (tuple)); |
|
|
1098 | |
|
|
1099 | if (ix) |
|
|
1100 | PUSHs (sv_2mortal (newSViv (cur - buf))); |
|
|
1101 | else if (cur != end) |
|
|
1102 | error ("trailing garbage after BER value"); |
| 1038 | } |
1103 | } |
| 1039 | OUTPUT: RETVAL |
|
|
| 1040 | |
1104 | |
| 1041 | void |
1105 | void |
| 1042 | ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *constructed = &PL_sv_undef, SV *data = &PL_sv_undef) |
1106 | ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *flags = &PL_sv_undef, SV *data = &PL_sv_undef) |
| 1043 | PPCODE: |
1107 | PPCODE: |
| 1044 | { |
1108 | { |
| 1045 | if (!SvOK (tuple)) |
1109 | if (!SvOK (tuple)) |
| 1046 | XSRETURN_NO; |
1110 | XSRETURN_NO; |
| 1047 | |
1111 | |
| … | |
… | |
| 1049 | croak ("ber_is: tuple must be BER tuple (array-ref)"); |
1113 | croak ("ber_is: tuple must be BER tuple (array-ref)"); |
| 1050 | |
1114 | |
| 1051 | AV *av = (AV *)SvRV (tuple); |
1115 | AV *av = (AV *)SvRV (tuple); |
| 1052 | |
1116 | |
| 1053 | XPUSHs ( |
1117 | XPUSHs ( |
| 1054 | (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass)) |
1118 | (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass)) |
| 1055 | && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
1119 | && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
| 1056 | && (!SvOK (constructed) || !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed)) |
1120 | && (!SvOK (flags) || !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags)) |
| 1057 | && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
1121 | && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
| 1058 | ? &PL_sv_yes : &PL_sv_undef); |
1122 | ? &PL_sv_yes : &PL_sv_undef); |
| 1059 | } |
1123 | } |
| 1060 | |
1124 | |
| 1061 | void |
1125 | void |
| 1062 | ber_is_seq (SV *tuple) |
1126 | ber_is_seq (SV *tuple) |
| … | |
… | |
| 1066 | XSRETURN_UNDEF; |
1130 | XSRETURN_UNDEF; |
| 1067 | |
1131 | |
| 1068 | AV *av = ber_tuple (tuple); |
1132 | AV *av = ber_tuple (tuple); |
| 1069 | |
1133 | |
| 1070 | XPUSHs ( |
1134 | XPUSHs ( |
| 1071 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1135 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
| 1072 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
1136 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
| 1073 | && SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1137 | && SvIV (AvARRAY (av)[BER_FLAGS]) |
| 1074 | ? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
1138 | ? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
| 1075 | } |
1139 | } |
| 1076 | |
1140 | |
| 1077 | void |
1141 | void |
| 1078 | ber_is_i32 (SV *tuple, SV *value = &PL_sv_undef) |
1142 | ber_is_int (SV *tuple, SV *value = &PL_sv_undef) |
| 1079 | PPCODE: |
1143 | PPCODE: |
| 1080 | { |
1144 | { |
| 1081 | if (!SvOK (tuple)) |
1145 | if (!SvOK (tuple)) |
| 1082 | XSRETURN_NO; |
1146 | XSRETURN_NO; |
| 1083 | |
1147 | |
| 1084 | AV *av = ber_tuple (tuple); |
1148 | AV *av = ber_tuple (tuple); |
| 1085 | |
1149 | |
| 1086 | IV data = SvIV (AvARRAY (av)[BER_DATA]); |
1150 | UV data = SvUV (AvARRAY (av)[BER_DATA]); |
| 1087 | |
1151 | |
| 1088 | XPUSHs ( |
1152 | XPUSHs ( |
| 1089 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1153 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
| 1090 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32 |
1154 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER |
| 1091 | && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1155 | && !SvIV (AvARRAY (av)[BER_FLAGS]) |
| 1092 | && (!SvOK (value) || data == SvIV (value)) |
1156 | && (!SvOK (value) || data == SvUV (value)) |
| 1093 | ? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0)) |
1157 | ? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0)) |
| 1094 | : &PL_sv_undef); |
1158 | : &PL_sv_undef); |
| 1095 | } |
1159 | } |
| 1096 | |
1160 | |
| 1097 | void |
1161 | void |
| 1098 | ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) |
1162 | ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) |
| … | |
… | |
| 1102 | XSRETURN_NO; |
1166 | XSRETURN_NO; |
| 1103 | |
1167 | |
| 1104 | AV *av = ber_tuple (tuple); |
1168 | AV *av = ber_tuple (tuple); |
| 1105 | |
1169 | |
| 1106 | XPUSHs ( |
1170 | XPUSHs ( |
| 1107 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1171 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
| 1108 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
1172 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
| 1109 | && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1173 | && !SvIV (AvARRAY (av)[BER_FLAGS]) |
| 1110 | && (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) |
1174 | && (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) |
| 1111 | ? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); |
1175 | ? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); |
| 1112 | } |
1176 | } |
| 1113 | |
1177 | |
| 1114 | ############################################################################# |
1178 | ############################################################################# |
| … | |
… | |
| 1127 | SvCUR_set (buf_sv, cur - buf); |
1191 | SvCUR_set (buf_sv, cur - buf); |
| 1128 | XPUSHs (buf_sv); |
1192 | XPUSHs (buf_sv); |
| 1129 | } |
1193 | } |
| 1130 | |
1194 | |
| 1131 | SV * |
1195 | SV * |
| 1132 | ber_i32 (IV iv) |
1196 | ber_int (SV *sv) |
| 1133 | CODE: |
1197 | CODE: |
| 1134 | { |
1198 | { |
| 1135 | AV *av = newAV (); |
1199 | AV *av = newAV (); |
| 1136 | av_fill (av, BER_ARRAYSIZE - 1); |
1200 | av_fill (av, BER_ARRAYSIZE - 1); |
| 1137 | AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); |
1201 | AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
| 1138 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32); |
1202 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER); |
| 1139 | AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0); |
1203 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (0); |
| 1140 | AvARRAY (av)[BER_DATA ] = newSViv (iv); |
1204 | AvARRAY (av)[BER_DATA ] = newSVsv (sv); |
| 1141 | RETVAL = newRV_noinc ((SV *)av); |
1205 | RETVAL = newRV_noinc ((SV *)av); |
| 1142 | } |
1206 | } |
| 1143 | OUTPUT: RETVAL |
1207 | OUTPUT: RETVAL |
| 1144 | |
1208 | |
| 1145 | # TODO: not arrayref, but elements? |
1209 | # TODO: not arrayref, but elements? |
| … | |
… | |
| 1147 | ber_seq (SV *arrayref) |
1211 | ber_seq (SV *arrayref) |
| 1148 | CODE: |
1212 | CODE: |
| 1149 | { |
1213 | { |
| 1150 | AV *av = newAV (); |
1214 | AV *av = newAV (); |
| 1151 | av_fill (av, BER_ARRAYSIZE - 1); |
1215 | av_fill (av, BER_ARRAYSIZE - 1); |
| 1152 | AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); |
1216 | AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
| 1153 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); |
1217 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); |
| 1154 | AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1); |
1218 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (1); |
| 1155 | AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); |
1219 | AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); |
| 1156 | RETVAL = newRV_noinc ((SV *)av); |
1220 | RETVAL = newRV_noinc ((SV *)av); |
| 1157 | } |
1221 | } |
| 1158 | OUTPUT: RETVAL |
1222 | OUTPUT: RETVAL |
| 1159 | |
1223 | |
| 1160 | MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile |
1224 | MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile |
