… | |
… | |
6 | #include <string.h> |
6 | #include <string.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
8 | #include <stdio.h> |
8 | #include <stdio.h> |
9 | #include <limits.h> |
9 | #include <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
|
|
11 | #include <inttypes.h> |
11 | |
12 | |
12 | #define ECB_NO_THREADS 1 |
13 | #define ECB_NO_THREADS 1 |
13 | #include "ecb.h" |
14 | #include "ecb.h" |
14 | |
15 | |
15 | // compatibility with perl <5.18 |
16 | // compatibility with perl <5.18 |
… | |
… | |
20 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
21 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
21 | #endif |
22 | #endif |
22 | #ifndef HvNAMEUTF8 |
23 | #ifndef HvNAMEUTF8 |
23 | # define HvNAMEUTF8(hv) 0 |
24 | # define HvNAMEUTF8(hv) 0 |
24 | #endif |
25 | #endif |
|
|
26 | #ifndef SvREFCNT_inc_NN |
|
|
27 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
28 | #endif |
25 | #ifndef SvREFCNT_dec_NN |
29 | #ifndef SvREFCNT_dec_NN |
26 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
30 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
27 | #endif |
31 | #endif |
28 | |
32 | |
29 | // known major and minor types |
33 | // known major and minor types |
… | |
… | |
93 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
97 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
94 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
98 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
95 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
96 | |
100 | |
97 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
|
|
102 | }; |
|
|
103 | |
|
|
104 | // known forced types, also hardcoded in CBOR.pm |
|
|
105 | enum |
|
|
106 | { |
|
|
107 | AS_CBOR = 0, |
|
|
108 | AS_BYTES = 1, |
|
|
109 | AS_TEXT = 2, |
|
|
110 | AS_FLOAT16 = 3, |
|
|
111 | AS_FLOAT32 = 4, |
|
|
112 | AS_FLOAT64 = 5, |
|
|
113 | // possibly future enhancements: float, integer |
98 | }; |
114 | }; |
99 | |
115 | |
100 | #define F_SHRINK 0x00000001UL |
116 | #define F_SHRINK 0x00000001UL |
101 | #define F_ALLOW_UNKNOWN 0x00000002UL |
117 | #define F_ALLOW_UNKNOWN 0x00000002UL |
102 | #define F_ALLOW_SHARING 0x00000004UL |
118 | #define F_ALLOW_SHARING 0x00000004UL |
… | |
… | |
186 | |
202 | |
187 | // minimum length of a string to be registered for stringref |
203 | // minimum length of a string to be registered for stringref |
188 | ecb_inline int |
204 | ecb_inline int |
189 | minimum_string_length (UV idx) |
205 | minimum_string_length (UV idx) |
190 | { |
206 | { |
191 | return idx > 23 |
207 | return idx <= 23 ? 3 |
192 | ? idx > 0xffU |
208 | : idx <= 0xffU ? 4 |
193 | ? idx > 0xffffU |
209 | : idx <= 0xffffU ? 5 |
194 | ? idx > 0xffffffffU |
210 | : idx <= 0xffffffffU ? 7 |
195 | ? 11 |
211 | : 11; |
196 | : 7 |
|
|
197 | : 5 |
|
|
198 | : 4 |
|
|
199 | : 3; |
|
|
200 | } |
212 | } |
201 | |
213 | |
202 | ///////////////////////////////////////////////////////////////////////////// |
214 | ///////////////////////////////////////////////////////////////////////////// |
203 | // encoder |
215 | // encoder |
204 | |
216 | |
… | |
… | |
217 | } enc_t; |
229 | } enc_t; |
218 | |
230 | |
219 | ecb_inline void |
231 | ecb_inline void |
220 | need (enc_t *enc, STRLEN len) |
232 | need (enc_t *enc, STRLEN len) |
221 | { |
233 | { |
222 | if (ecb_expect_false (enc->cur + len >= enc->end)) |
234 | if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
223 | { |
235 | { |
224 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
236 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
225 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
237 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
226 | enc->cur = SvPVX (enc->sv) + cur; |
238 | enc->cur = SvPVX (enc->sv) + cur; |
227 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
239 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
… | |
… | |
233 | { |
245 | { |
234 | need (enc, 1); |
246 | need (enc, 1); |
235 | *enc->cur++ = ch; |
247 | *enc->cur++ = ch; |
236 | } |
248 | } |
237 | |
249 | |
|
|
250 | // used for tags, intregers, element counts and so on |
238 | static void |
251 | static void |
239 | encode_uint (enc_t *enc, int major, UV len) |
252 | encode_uint (enc_t *enc, int major, UV len) |
240 | { |
253 | { |
241 | need (enc, 9); |
254 | need (enc, 9); |
242 | |
255 | |
… | |
… | |
273 | *enc->cur++ = len >> 8; |
286 | *enc->cur++ = len >> 8; |
274 | *enc->cur++ = len; |
287 | *enc->cur++ = len; |
275 | } |
288 | } |
276 | } |
289 | } |
277 | |
290 | |
|
|
291 | // encodes a perl value into a CBOR integer |
|
|
292 | ecb_inline |
|
|
293 | encode_int (enc_t *enc, SV *sv) |
|
|
294 | { |
|
|
295 | if (SvIsUV (sv)) |
|
|
296 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
|
|
297 | else if (SvIVX (sv) >= 0) |
|
|
298 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
|
|
299 | else |
|
|
300 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
|
|
301 | } |
|
|
302 | |
278 | ecb_inline void |
303 | ecb_inline void |
279 | encode_tag (enc_t *enc, UV tag) |
304 | encode_tag (enc_t *enc, UV tag) |
280 | { |
305 | { |
281 | encode_uint (enc, MAJOR_TAG, tag); |
306 | encode_uint (enc, MAJOR_TAG, tag); |
282 | } |
307 | } |
… | |
… | |
343 | } |
368 | } |
344 | |
369 | |
345 | encode_str (enc, upgrade_utf8, utf8, str, len); |
370 | encode_str (enc, upgrade_utf8, utf8, str, len); |
346 | } |
371 | } |
347 | |
372 | |
|
|
373 | ecb_inline void |
|
|
374 | encode_float16 (enc_t *enc, NV nv) |
|
|
375 | { |
|
|
376 | need (enc, 1+2); |
|
|
377 | |
|
|
378 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT16; |
|
|
379 | |
|
|
380 | uint16_t fp = ecb_float_to_binary16 (nv); |
|
|
381 | |
|
|
382 | if (!ecb_big_endian ()) |
|
|
383 | fp = ecb_bswap16 (fp); |
|
|
384 | |
|
|
385 | memcpy (enc->cur, &fp, 2); |
|
|
386 | enc->cur += 2; |
|
|
387 | } |
|
|
388 | |
|
|
389 | ecb_inline void |
|
|
390 | encode_float32 (enc_t *enc, NV nv) |
|
|
391 | { |
|
|
392 | need (enc, 1+4); |
|
|
393 | |
|
|
394 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
395 | |
|
|
396 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
397 | |
|
|
398 | if (!ecb_big_endian ()) |
|
|
399 | fp = ecb_bswap32 (fp); |
|
|
400 | |
|
|
401 | memcpy (enc->cur, &fp, 4); |
|
|
402 | enc->cur += 4; |
|
|
403 | } |
|
|
404 | |
|
|
405 | ecb_inline void |
|
|
406 | encode_float64 (enc_t *enc, NV nv) |
|
|
407 | { |
|
|
408 | need (enc, 1+8); |
|
|
409 | |
|
|
410 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
411 | |
|
|
412 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
413 | |
|
|
414 | if (!ecb_big_endian ()) |
|
|
415 | fp = ecb_bswap64 (fp); |
|
|
416 | |
|
|
417 | memcpy (enc->cur, &fp, 8); |
|
|
418 | enc->cur += 8; |
|
|
419 | } |
|
|
420 | |
|
|
421 | ecb_inline void |
|
|
422 | encode_forced (enc_t *enc, UV type, SV *sv) |
|
|
423 | { |
|
|
424 | switch (type) |
|
|
425 | { |
|
|
426 | case AS_CBOR: |
|
|
427 | { |
|
|
428 | STRLEN len; |
|
|
429 | char *str = SvPVbyte (sv, len); |
|
|
430 | |
|
|
431 | need (enc, len); |
|
|
432 | memcpy (enc->cur, str, len); |
|
|
433 | enc->cur += len; |
|
|
434 | } |
|
|
435 | break; |
|
|
436 | |
|
|
437 | case AS_BYTES: |
|
|
438 | { |
|
|
439 | STRLEN len; |
|
|
440 | char *str = SvPVbyte (sv, len); |
|
|
441 | encode_strref (enc, 0, 0, str, len); |
|
|
442 | } |
|
|
443 | break; |
|
|
444 | |
|
|
445 | case AS_TEXT: |
|
|
446 | { |
|
|
447 | STRLEN len; |
|
|
448 | char *str = SvPVutf8 (sv, len); |
|
|
449 | encode_strref (enc, 1, 1, str, len); |
|
|
450 | } |
|
|
451 | break; |
|
|
452 | |
|
|
453 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
|
|
454 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
|
|
455 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
|
|
456 | |
|
|
457 | default: |
|
|
458 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
459 | } |
|
|
460 | } |
|
|
461 | |
348 | static void encode_sv (enc_t *enc, SV *sv); |
462 | static void encode_sv (enc_t *enc, SV *sv); |
349 | |
463 | |
350 | static void |
464 | static void |
351 | encode_av (enc_t *enc, AV *av) |
465 | encode_av (enc_t *enc, AV *av) |
352 | { |
466 | { |
… | |
… | |
357 | |
471 | |
358 | ++enc->depth; |
472 | ++enc->depth; |
359 | |
473 | |
360 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
474 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
361 | |
475 | |
362 | if (SvMAGICAL (av)) |
476 | if (ecb_expect_false (SvMAGICAL (av))) |
363 | for (i = 0; i <= len; ++i) |
477 | for (i = 0; i <= len; ++i) |
364 | { |
478 | { |
365 | SV **svp = av_fetch (av, i, 0); |
479 | SV **svp = av_fetch (av, i, 0); |
366 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
480 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
367 | } |
481 | } |
… | |
… | |
386 | ++enc->depth; |
500 | ++enc->depth; |
387 | |
501 | |
388 | int pairs = hv_iterinit (hv); |
502 | int pairs = hv_iterinit (hv); |
389 | int mg = SvMAGICAL (hv); |
503 | int mg = SvMAGICAL (hv); |
390 | |
504 | |
391 | if (mg) |
505 | if (ecb_expect_false (mg)) |
392 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
506 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
393 | else |
507 | else |
394 | encode_uint (enc, MAJOR_MAP, pairs); |
508 | encode_uint (enc, MAJOR_MAP, pairs); |
395 | |
509 | |
396 | while ((he = hv_iternext (hv))) |
510 | while ((he = hv_iternext (hv))) |
… | |
… | |
401 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
515 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
402 | |
516 | |
403 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
517 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
404 | } |
518 | } |
405 | |
519 | |
406 | if (mg) |
520 | if (ecb_expect_false (mg)) |
407 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
521 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
408 | |
522 | |
409 | --enc->depth; |
523 | --enc->depth; |
410 | } |
524 | } |
411 | |
525 | |
… | |
… | |
444 | else if (stash == tagged_stash) |
558 | else if (stash == tagged_stash) |
445 | { |
559 | { |
446 | if (svt != SVt_PVAV) |
560 | if (svt != SVt_PVAV) |
447 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
561 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
448 | |
562 | |
|
|
563 | switch (av_len ((AV *)sv)) |
|
|
564 | { |
|
|
565 | case 2-1: |
|
|
566 | // actually a tagged value |
449 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
567 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
450 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
568 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
569 | break; |
|
|
570 | |
|
|
571 | case 3-1: |
|
|
572 | // a forced type [value, type, undef] |
|
|
573 | encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1)); |
|
|
574 | break; |
|
|
575 | |
|
|
576 | default: |
|
|
577 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
578 | } |
451 | |
579 | |
452 | return; |
580 | return; |
453 | } |
581 | } |
454 | } |
582 | } |
455 | |
583 | |
456 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
584 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
457 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
585 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
458 | { |
586 | { |
459 | if (!enc->shareable) |
587 | if (ecb_expect_false (!enc->shareable)) |
460 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
588 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
461 | |
589 | |
462 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
590 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
463 | |
591 | |
464 | if (SvOK (*svp)) |
592 | if (SvOK (*svp)) |
… | |
… | |
510 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
638 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
511 | { |
639 | { |
512 | dSP; |
640 | dSP; |
513 | |
641 | |
514 | ENTER; SAVETMPS; |
642 | ENTER; SAVETMPS; |
515 | SAVESTACK_POS (); |
|
|
516 | PUSHMARK (SP); |
643 | PUSHMARK (SP); |
517 | EXTEND (SP, 2); |
644 | EXTEND (SP, 2); |
518 | // we re-bless the reference to get overload and other niceties right |
645 | // we re-bless the reference to get overload and other niceties right |
519 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
646 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
520 | PUSHs (sv_cbor); |
647 | PUSHs (sv_cbor); |
… | |
… | |
529 | |
656 | |
530 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
657 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
531 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
658 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
532 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
659 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
533 | |
660 | |
534 | while (count) |
661 | { |
|
|
662 | int i; |
|
|
663 | |
|
|
664 | for (i = 0; i < count; ++i) |
535 | encode_sv (enc, SP[1 - count--]); |
665 | encode_sv (enc, SP[i + 1 - count]); |
|
|
666 | |
|
|
667 | SP -= count; |
|
|
668 | } |
536 | |
669 | |
537 | PUTBACK; |
670 | PUTBACK; |
538 | |
671 | |
539 | FREETMPS; LEAVE; |
672 | FREETMPS; LEAVE; |
540 | } |
673 | } |
… | |
… | |
562 | |
695 | |
563 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
696 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
564 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
697 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
565 | //TODO: maybe I32? |
698 | //TODO: maybe I32? |
566 | else if (ecb_expect_false (nv == (float)nv)) |
699 | else if (ecb_expect_false (nv == (float)nv)) |
567 | { |
700 | encode_float32 (enc, nv); |
568 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
569 | |
|
|
570 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
571 | |
|
|
572 | if (!ecb_big_endian ()) |
|
|
573 | fp = ecb_bswap32 (fp); |
|
|
574 | |
|
|
575 | memcpy (enc->cur, &fp, 4); |
|
|
576 | enc->cur += 4; |
|
|
577 | } |
|
|
578 | else |
701 | else |
579 | { |
702 | encode_float64 (enc, nv); |
580 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
581 | |
|
|
582 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
583 | |
|
|
584 | if (!ecb_big_endian ()) |
|
|
585 | fp = ecb_bswap64 (fp); |
|
|
586 | |
|
|
587 | memcpy (enc->cur, &fp, 8); |
|
|
588 | enc->cur += 8; |
|
|
589 | } |
|
|
590 | } |
703 | } |
591 | |
704 | |
592 | static void |
705 | static void |
593 | encode_sv (enc_t *enc, SV *sv) |
706 | encode_sv (enc_t *enc, SV *sv) |
594 | { |
707 | { |
… | |
… | |
601 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
714 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
602 | } |
715 | } |
603 | else if (SvNOKp (sv)) |
716 | else if (SvNOKp (sv)) |
604 | encode_nv (enc, sv); |
717 | encode_nv (enc, sv); |
605 | else if (SvIOKp (sv)) |
718 | else if (SvIOKp (sv)) |
606 | { |
719 | encode_int (e,v sv); |
607 | if (SvIsUV (sv)) |
|
|
608 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
|
|
609 | else if (SvIVX (sv) >= 0) |
|
|
610 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
|
|
611 | else |
|
|
612 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
|
|
613 | } |
|
|
614 | else if (SvROK (sv)) |
720 | else if (SvROK (sv)) |
615 | encode_rv (enc, SvRV (sv)); |
721 | encode_rv (enc, SvRV (sv)); |
616 | else if (!SvOK (sv)) |
722 | else if (!SvOK (sv)) |
617 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
723 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
618 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
724 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
… | |
… | |
625 | static SV * |
731 | static SV * |
626 | encode_cbor (SV *scalar, CBOR *cbor) |
732 | encode_cbor (SV *scalar, CBOR *cbor) |
627 | { |
733 | { |
628 | enc_t enc = { 0 }; |
734 | enc_t enc = { 0 }; |
629 | |
735 | |
630 | enc.cbor = *cbor; |
736 | enc.cbor = *cbor; |
631 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
737 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
632 | enc.cur = SvPVX (enc.sv); |
738 | enc.cur = SvPVX (enc.sv); |
633 | enc.end = SvEND (enc.sv); |
739 | enc.end = SvEND (enc.sv); |
634 | |
740 | |
635 | SvPOK_only (enc.sv); |
741 | SvPOK_only (enc.sv); |
636 | |
742 | |
637 | if (cbor->flags & F_PACK_STRINGS) |
743 | if (cbor->flags & F_PACK_STRINGS) |
638 | { |
744 | { |
… | |
… | |
698 | err_unexpected_end (dec_t *dec) |
804 | err_unexpected_end (dec_t *dec) |
699 | { |
805 | { |
700 | err_set (dec, "unexpected end of CBOR data"); |
806 | err_set (dec, "unexpected end of CBOR data"); |
701 | } |
807 | } |
702 | |
808 | |
703 | ecb_cold static void |
|
|
704 | err_nesting_exceeded (dec_t *dec) |
|
|
705 | { |
|
|
706 | err_set (dec, ERR_NESTING_EXCEEDED); |
|
|
707 | } |
|
|
708 | |
|
|
709 | #define ERR_DO(do) SB do; goto fail; SE |
809 | #define ERR_DO(do) SB do; goto fail; SE |
710 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
810 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
711 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
811 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
712 | |
812 | |
713 | #define WANT(len) if (ecb_expect_false ((UV)(dec->end - dec->cur) < (UV)len)) ERR_DO (err_unexpected_end (dec)) |
813 | #define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec)) |
714 | |
814 | |
715 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
815 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
716 | #define DEC_DEC_DEPTH --dec->depth |
816 | #define DEC_DEC_DEPTH --dec->depth |
717 | |
817 | |
718 | static UV |
818 | static UV |
… | |
… | |
786 | |
886 | |
787 | for (;;) |
887 | for (;;) |
788 | { |
888 | { |
789 | WANT (1); |
889 | WANT (1); |
790 | |
890 | |
791 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
891 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
792 | { |
892 | { |
793 | ++dec->cur; |
893 | ++dec->cur; |
794 | break; |
894 | break; |
795 | } |
895 | } |
796 | |
896 | |
… | |
… | |
810 | |
910 | |
811 | DEC_DEC_DEPTH; |
911 | DEC_DEC_DEPTH; |
812 | return newRV_noinc ((SV *)av); |
912 | return newRV_noinc ((SV *)av); |
813 | |
913 | |
814 | fail: |
914 | fail: |
815 | SvREFCNT_dec (av); |
915 | SvREFCNT_dec_NN (av); |
816 | DEC_DEC_DEPTH; |
916 | DEC_DEC_DEPTH; |
817 | return &PL_sv_undef; |
917 | return &PL_sv_undef; |
818 | } |
918 | } |
819 | |
919 | |
820 | static void |
920 | static void |
… | |
… | |
883 | |
983 | |
884 | return; |
984 | return; |
885 | } |
985 | } |
886 | |
986 | |
887 | hv_store_ent (hv, k, v, 0); |
987 | hv_store_ent (hv, k, v, 0); |
888 | SvREFCNT_dec (k); |
988 | SvREFCNT_dec_NN (k); |
889 | |
989 | |
890 | fail: |
990 | fail: |
891 | ; |
991 | ; |
892 | } |
992 | } |
893 | |
993 | |
… | |
… | |
904 | |
1004 | |
905 | for (;;) |
1005 | for (;;) |
906 | { |
1006 | { |
907 | WANT (1); |
1007 | WANT (1); |
908 | |
1008 | |
909 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
1009 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
910 | { |
1010 | { |
911 | ++dec->cur; |
1011 | ++dec->cur; |
912 | break; |
1012 | break; |
913 | } |
1013 | } |
914 | |
1014 | |
… | |
… | |
927 | |
1027 | |
928 | DEC_DEC_DEPTH; |
1028 | DEC_DEC_DEPTH; |
929 | return newRV_noinc ((SV *)hv); |
1029 | return newRV_noinc ((SV *)hv); |
930 | |
1030 | |
931 | fail: |
1031 | fail: |
932 | SvREFCNT_dec (hv); |
1032 | SvREFCNT_dec_NN (hv); |
933 | DEC_DEC_DEPTH; |
1033 | DEC_DEC_DEPTH; |
934 | return &PL_sv_undef; |
1034 | return &PL_sv_undef; |
935 | } |
1035 | } |
936 | |
1036 | |
937 | static SV * |
1037 | static SV * |
938 | decode_str (dec_t *dec, int utf8) |
1038 | decode_str (dec_t *dec, int utf8) |
939 | { |
1039 | { |
940 | SV *sv = 0; |
1040 | SV *sv = 0; |
941 | |
1041 | |
942 | if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) |
1042 | if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF)) |
943 | { |
1043 | { |
944 | // indefinite length strings |
1044 | // indefinite length strings |
945 | ++dec->cur; |
1045 | ++dec->cur; |
946 | |
1046 | |
947 | U8 major = *dec->cur & MAJOR_MISC; |
1047 | U8 major = *dec->cur & MAJOR_MISC; |
… | |
… | |
1015 | sv = newRV_noinc (decode_sv (dec)); |
1115 | sv = newRV_noinc (decode_sv (dec)); |
1016 | break; |
1116 | break; |
1017 | |
1117 | |
1018 | case CBOR_TAG_STRINGREF_NAMESPACE: |
1118 | case CBOR_TAG_STRINGREF_NAMESPACE: |
1019 | { |
1119 | { |
1020 | // do nmot use SAVETMPS/FREETMPS, as these will |
1120 | // do not use SAVETMPS/FREETMPS, as these will |
1021 | // erase mortalised caches, e.g. "shareable" |
1121 | // erase mortalised caches, e.g. "shareable" |
1022 | ENTER; |
1122 | ENTER; |
1023 | |
1123 | |
1024 | SAVESPTR (dec->stringref); |
1124 | SAVESPTR (dec->stringref); |
1025 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
1125 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
… | |
… | |
1035 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1135 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1036 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1136 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1037 | |
1137 | |
1038 | UV idx = decode_uint (dec); |
1138 | UV idx = decode_uint (dec); |
1039 | |
1139 | |
1040 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
1140 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
1041 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1141 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1042 | |
1142 | |
1043 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1143 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1044 | } |
1144 | } |
1045 | break; |
1145 | break; |
… | |
… | |
1073 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1173 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1074 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1174 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1075 | |
1175 | |
1076 | UV idx = decode_uint (dec); |
1176 | UV idx = decode_uint (dec); |
1077 | |
1177 | |
1078 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
1178 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
1079 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1179 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1080 | |
1180 | |
1081 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1181 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1082 | |
1182 | |
1083 | if (sv == &PL_sv_undef) |
1183 | if (sv == &PL_sv_undef) |
… | |
… | |
1129 | { |
1229 | { |
1130 | FREETMPS; LEAVE; |
1230 | FREETMPS; LEAVE; |
1131 | ERR_ERRSV; |
1231 | ERR_ERRSV; |
1132 | } |
1232 | } |
1133 | |
1233 | |
1134 | SvREFCNT_dec (sv); |
1234 | SvREFCNT_dec_NN (sv); |
1135 | sv = SvREFCNT_inc (POPs); |
1235 | sv = SvREFCNT_inc (POPs); |
1136 | |
1236 | |
1137 | PUTBACK; |
1237 | PUTBACK; |
1138 | |
1238 | |
1139 | FREETMPS; LEAVE; |
1239 | FREETMPS; LEAVE; |
… | |
… | |
1147 | |
1247 | |
1148 | sv = decode_sv (dec); |
1248 | sv = decode_sv (dec); |
1149 | |
1249 | |
1150 | dSP; |
1250 | dSP; |
1151 | ENTER; SAVETMPS; |
1251 | ENTER; SAVETMPS; |
1152 | SAVESTACK_POS (); |
|
|
1153 | PUSHMARK (SP); |
1252 | PUSHMARK (SP); |
1154 | EXTEND (SP, 2); |
1253 | EXTEND (SP, 2); |
1155 | PUSHs (tag_sv); |
1254 | PUSHs (tag_sv); |
1156 | PUSHs (sv); |
1255 | PUSHs (sv); |
1157 | |
1256 | |
… | |
… | |
1159 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
1258 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
1160 | SPAGAIN; |
1259 | SPAGAIN; |
1161 | |
1260 | |
1162 | if (SvTRUE (ERRSV)) |
1261 | if (SvTRUE (ERRSV)) |
1163 | { |
1262 | { |
1164 | SvREFCNT_dec (tag_sv); |
1263 | SvREFCNT_dec_NN (tag_sv); |
1165 | FREETMPS; LEAVE; |
1264 | FREETMPS; LEAVE; |
1166 | ERR_ERRSV; |
1265 | ERR_ERRSV; |
1167 | } |
1266 | } |
1168 | |
1267 | |
1169 | if (count) |
1268 | if (count) |
1170 | { |
1269 | { |
1171 | SvREFCNT_dec (tag_sv); |
1270 | SvREFCNT_dec_NN (tag_sv); |
1172 | SvREFCNT_dec (sv); |
1271 | SvREFCNT_dec_NN (sv); |
1173 | sv = SvREFCNT_inc (POPs); |
1272 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1273 | SP -= count; |
1174 | } |
1274 | } |
1175 | else |
1275 | else |
1176 | { |
1276 | { |
1177 | AV *av = newAV (); |
1277 | AV *av = newAV (); |
1178 | av_push (av, tag_sv); |
1278 | av_push (av, tag_sv); |
… | |
… | |
1321 | for (i = av_len (dec.shareable) + 1; i--; ) |
1421 | for (i = av_len (dec.shareable) + 1; i--; ) |
1322 | if ((svp = av_fetch (dec.shareable, i, 0))) |
1422 | if ((svp = av_fetch (dec.shareable, i, 0))) |
1323 | sv_setsv (*svp, &PL_sv_undef); |
1423 | sv_setsv (*svp, &PL_sv_undef); |
1324 | } |
1424 | } |
1325 | |
1425 | |
1326 | SvREFCNT_dec (sv); |
1426 | SvREFCNT_dec_NN (sv); |
1327 | |
1427 | |
1328 | if (dec.err_sv) |
1428 | if (dec.err_sv) |
1329 | sv_2mortal (dec.err_sv); |
1429 | sv_2mortal (dec.err_sv); |
1330 | |
1430 | |
1331 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
1431 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
… | |
… | |
1674 | cbor_init (&cbor); |
1774 | cbor_init (&cbor); |
1675 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1775 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1676 | XPUSHs (cborstr); |
1776 | XPUSHs (cborstr); |
1677 | } |
1777 | } |
1678 | |
1778 | |
|
|
1779 | #ifdef __AFL_COMPILER |
|
|
1780 | |
|
|
1781 | void |
|
|
1782 | afl_init () |
|
|
1783 | CODE: |
|
|
1784 | __AFL_INIT (); |
|
|
1785 | |
|
|
1786 | int |
|
|
1787 | afl_loop (unsigned int count = 10000) |
|
|
1788 | CODE: |
|
|
1789 | RETVAL = __AFL_LOOP (count); |
|
|
1790 | OUTPUT: |
|
|
1791 | RETVAL |
|
|
1792 | |
|
|
1793 | #endif |
|
|
1794 | |