… | |
… | |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
100 | |
100 | |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
102 | }; |
102 | }; |
103 | |
103 | |
|
|
104 | // known forced types, also hardcoded in CBOR.pm |
|
|
105 | enum |
|
|
106 | { |
|
|
107 | AS_CBOR = 0, |
|
|
108 | AS_INT = 1, |
|
|
109 | AS_BYTES = 2, |
|
|
110 | AS_TEXT = 3, |
|
|
111 | AS_FLOAT16 = 4, |
|
|
112 | AS_FLOAT32 = 5, |
|
|
113 | AS_FLOAT64 = 6, |
|
|
114 | // possibly future enhancements: (generic) float, (generic) string |
|
|
115 | }; |
|
|
116 | |
104 | #define F_SHRINK 0x00000001UL |
117 | #define F_SHRINK 0x00000001UL |
105 | #define F_ALLOW_UNKNOWN 0x00000002UL |
118 | #define F_ALLOW_UNKNOWN 0x00000002UL |
106 | #define F_ALLOW_SHARING 0x00000004UL |
119 | #define F_ALLOW_SHARING 0x00000004UL |
107 | #define F_ALLOW_CYCLES 0x00000008UL |
120 | #define F_ALLOW_CYCLES 0x00000008UL |
108 | #define F_FORBID_OBJECTS 0x00000010UL |
121 | #define F_FORBID_OBJECTS 0x00000010UL |
… | |
… | |
233 | { |
246 | { |
234 | need (enc, 1); |
247 | need (enc, 1); |
235 | *enc->cur++ = ch; |
248 | *enc->cur++ = ch; |
236 | } |
249 | } |
237 | |
250 | |
|
|
251 | // used for tags, intregers, element counts and so on |
238 | static void |
252 | static void |
239 | encode_uint (enc_t *enc, int major, UV len) |
253 | encode_uint (enc_t *enc, int major, UV len) |
240 | { |
254 | { |
241 | need (enc, 9); |
255 | need (enc, 9); |
242 | |
256 | |
… | |
… | |
273 | *enc->cur++ = len >> 8; |
287 | *enc->cur++ = len >> 8; |
274 | *enc->cur++ = len; |
288 | *enc->cur++ = len; |
275 | } |
289 | } |
276 | } |
290 | } |
277 | |
291 | |
|
|
292 | // encodes a perl value into a CBOR integer |
|
|
293 | ecb_inline void |
|
|
294 | encode_int (enc_t *enc, SV *sv) |
|
|
295 | { |
|
|
296 | if (SvIsUV (sv)) |
|
|
297 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
|
|
298 | else if (SvIVX (sv) >= 0) |
|
|
299 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
|
|
300 | else |
|
|
301 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
|
|
302 | } |
|
|
303 | |
278 | ecb_inline void |
304 | ecb_inline void |
279 | encode_tag (enc_t *enc, UV tag) |
305 | encode_tag (enc_t *enc, UV tag) |
280 | { |
306 | { |
281 | encode_uint (enc, MAJOR_TAG, tag); |
307 | encode_uint (enc, MAJOR_TAG, tag); |
282 | } |
308 | } |
… | |
… | |
341 | ++enc->stringref_idx; |
367 | ++enc->stringref_idx; |
342 | } |
368 | } |
343 | } |
369 | } |
344 | |
370 | |
345 | encode_str (enc, upgrade_utf8, utf8, str, len); |
371 | encode_str (enc, upgrade_utf8, utf8, str, len); |
|
|
372 | } |
|
|
373 | |
|
|
374 | ecb_inline void |
|
|
375 | encode_float16 (enc_t *enc, NV nv) |
|
|
376 | { |
|
|
377 | need (enc, 1+2); |
|
|
378 | |
|
|
379 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT16; |
|
|
380 | |
|
|
381 | uint16_t fp = ecb_float_to_binary16 (nv); |
|
|
382 | |
|
|
383 | if (!ecb_big_endian ()) |
|
|
384 | fp = ecb_bswap16 (fp); |
|
|
385 | |
|
|
386 | memcpy (enc->cur, &fp, 2); |
|
|
387 | enc->cur += 2; |
|
|
388 | } |
|
|
389 | |
|
|
390 | ecb_inline void |
|
|
391 | encode_float32 (enc_t *enc, NV nv) |
|
|
392 | { |
|
|
393 | need (enc, 1+4); |
|
|
394 | |
|
|
395 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
396 | |
|
|
397 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
398 | |
|
|
399 | if (!ecb_big_endian ()) |
|
|
400 | fp = ecb_bswap32 (fp); |
|
|
401 | |
|
|
402 | memcpy (enc->cur, &fp, 4); |
|
|
403 | enc->cur += 4; |
|
|
404 | } |
|
|
405 | |
|
|
406 | ecb_inline void |
|
|
407 | encode_float64 (enc_t *enc, NV nv) |
|
|
408 | { |
|
|
409 | need (enc, 1+8); |
|
|
410 | |
|
|
411 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
412 | |
|
|
413 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
414 | |
|
|
415 | if (!ecb_big_endian ()) |
|
|
416 | fp = ecb_bswap64 (fp); |
|
|
417 | |
|
|
418 | memcpy (enc->cur, &fp, 8); |
|
|
419 | enc->cur += 8; |
|
|
420 | } |
|
|
421 | |
|
|
422 | ecb_inline void |
|
|
423 | encode_forced (enc_t *enc, UV type, SV *sv) |
|
|
424 | { |
|
|
425 | switch (type) |
|
|
426 | { |
|
|
427 | case AS_CBOR: |
|
|
428 | { |
|
|
429 | STRLEN len; |
|
|
430 | char *str = SvPVbyte (sv, len); |
|
|
431 | |
|
|
432 | need (enc, len); |
|
|
433 | memcpy (enc->cur, str, len); |
|
|
434 | enc->cur += len; |
|
|
435 | } |
|
|
436 | break; |
|
|
437 | |
|
|
438 | case AS_BYTES: |
|
|
439 | { |
|
|
440 | STRLEN len; |
|
|
441 | char *str = SvPVbyte (sv, len); |
|
|
442 | encode_strref (enc, 0, 0, str, len); |
|
|
443 | } |
|
|
444 | break; |
|
|
445 | |
|
|
446 | case AS_TEXT: |
|
|
447 | { |
|
|
448 | STRLEN len; |
|
|
449 | char *str = SvPVutf8 (sv, len); |
|
|
450 | encode_strref (enc, 1, 1, str, len); |
|
|
451 | } |
|
|
452 | break; |
|
|
453 | |
|
|
454 | case AS_INT: encode_int (enc, sv); break; |
|
|
455 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
|
|
456 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
|
|
457 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
|
|
458 | |
|
|
459 | default: |
|
|
460 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
461 | } |
346 | } |
462 | } |
347 | |
463 | |
348 | static void encode_sv (enc_t *enc, SV *sv); |
464 | static void encode_sv (enc_t *enc, SV *sv); |
349 | |
465 | |
350 | static void |
466 | static void |
… | |
… | |
444 | else if (stash == tagged_stash) |
560 | else if (stash == tagged_stash) |
445 | { |
561 | { |
446 | if (svt != SVt_PVAV) |
562 | if (svt != SVt_PVAV) |
447 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
563 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
448 | |
564 | |
|
|
565 | switch (av_len ((AV *)sv)) |
|
|
566 | { |
|
|
567 | case 2-1: |
|
|
568 | // actually a tagged value |
449 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
569 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
450 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
570 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
571 | break; |
|
|
572 | |
|
|
573 | case 3-1: |
|
|
574 | // a forced type [value, type, undef] |
|
|
575 | encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1)); |
|
|
576 | break; |
|
|
577 | |
|
|
578 | default: |
|
|
579 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
580 | } |
451 | |
581 | |
452 | return; |
582 | return; |
453 | } |
583 | } |
454 | } |
584 | } |
455 | |
585 | |
… | |
… | |
510 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
640 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
511 | { |
641 | { |
512 | dSP; |
642 | dSP; |
513 | |
643 | |
514 | ENTER; SAVETMPS; |
644 | ENTER; SAVETMPS; |
515 | SAVESTACK_POS (); |
|
|
516 | PUSHMARK (SP); |
645 | PUSHMARK (SP); |
517 | EXTEND (SP, 2); |
646 | EXTEND (SP, 2); |
518 | // we re-bless the reference to get overload and other niceties right |
647 | // we re-bless the reference to get overload and other niceties right |
519 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
648 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
520 | PUSHs (sv_cbor); |
649 | PUSHs (sv_cbor); |
… | |
… | |
529 | |
658 | |
530 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
659 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
531 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
660 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
532 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
661 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
533 | |
662 | |
534 | while (count) |
663 | { |
|
|
664 | int i; |
|
|
665 | |
|
|
666 | for (i = 0; i < count; ++i) |
535 | encode_sv (enc, SP[1 - count--]); |
667 | encode_sv (enc, SP[i + 1 - count]); |
|
|
668 | |
|
|
669 | SP -= count; |
|
|
670 | } |
536 | |
671 | |
537 | PUTBACK; |
672 | PUTBACK; |
538 | |
673 | |
539 | FREETMPS; LEAVE; |
674 | FREETMPS; LEAVE; |
540 | } |
675 | } |
… | |
… | |
562 | |
697 | |
563 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
698 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
564 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
699 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
565 | //TODO: maybe I32? |
700 | //TODO: maybe I32? |
566 | else if (ecb_expect_false (nv == (float)nv)) |
701 | else if (ecb_expect_false (nv == (float)nv)) |
567 | { |
702 | encode_float32 (enc, nv); |
568 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
569 | |
|
|
570 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
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 |
703 | else |
579 | { |
704 | encode_float64 (enc, nv); |
580 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
581 | |
|
|
582 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
583 | |
|
|
584 | if (!ecb_big_endian ()) |
|
|
585 | fp = ecb_bswap64 (fp); |
|
|
586 | |
|
|
587 | memcpy (enc->cur, &fp, 8); |
|
|
588 | enc->cur += 8; |
|
|
589 | } |
|
|
590 | } |
705 | } |
591 | |
706 | |
592 | static void |
707 | static void |
593 | encode_sv (enc_t *enc, SV *sv) |
708 | encode_sv (enc_t *enc, SV *sv) |
594 | { |
709 | { |
… | |
… | |
601 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
716 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
602 | } |
717 | } |
603 | else if (SvNOKp (sv)) |
718 | else if (SvNOKp (sv)) |
604 | encode_nv (enc, sv); |
719 | encode_nv (enc, sv); |
605 | else if (SvIOKp (sv)) |
720 | else if (SvIOKp (sv)) |
606 | { |
721 | encode_int (enc, 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)) |
722 | else if (SvROK (sv)) |
615 | encode_rv (enc, SvRV (sv)); |
723 | encode_rv (enc, SvRV (sv)); |
616 | else if (!SvOK (sv)) |
724 | else if (!SvOK (sv)) |
617 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
725 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
618 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
726 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
… | |
… | |
780 | |
888 | |
781 | for (;;) |
889 | for (;;) |
782 | { |
890 | { |
783 | WANT (1); |
891 | WANT (1); |
784 | |
892 | |
785 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
893 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
786 | { |
894 | { |
787 | ++dec->cur; |
895 | ++dec->cur; |
788 | break; |
896 | break; |
789 | } |
897 | } |
790 | |
898 | |
… | |
… | |
898 | |
1006 | |
899 | for (;;) |
1007 | for (;;) |
900 | { |
1008 | { |
901 | WANT (1); |
1009 | WANT (1); |
902 | |
1010 | |
903 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
1011 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
904 | { |
1012 | { |
905 | ++dec->cur; |
1013 | ++dec->cur; |
906 | break; |
1014 | break; |
907 | } |
1015 | } |
908 | |
1016 | |
… | |
… | |
1029 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1137 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1030 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1138 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1031 | |
1139 | |
1032 | UV idx = decode_uint (dec); |
1140 | UV idx = decode_uint (dec); |
1033 | |
1141 | |
1034 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
1142 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
1035 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1143 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1036 | |
1144 | |
1037 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1145 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1038 | } |
1146 | } |
1039 | break; |
1147 | break; |
… | |
… | |
1067 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1175 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1068 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1176 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1069 | |
1177 | |
1070 | UV idx = decode_uint (dec); |
1178 | UV idx = decode_uint (dec); |
1071 | |
1179 | |
1072 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
1180 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
1073 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1181 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1074 | |
1182 | |
1075 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1183 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1076 | |
1184 | |
1077 | if (sv == &PL_sv_undef) |
1185 | if (sv == &PL_sv_undef) |
… | |
… | |
1141 | |
1249 | |
1142 | sv = decode_sv (dec); |
1250 | sv = decode_sv (dec); |
1143 | |
1251 | |
1144 | dSP; |
1252 | dSP; |
1145 | ENTER; SAVETMPS; |
1253 | ENTER; SAVETMPS; |
1146 | SAVESTACK_POS (); |
|
|
1147 | PUSHMARK (SP); |
1254 | PUSHMARK (SP); |
1148 | EXTEND (SP, 2); |
1255 | EXTEND (SP, 2); |
1149 | PUSHs (tag_sv); |
1256 | PUSHs (tag_sv); |
1150 | PUSHs (sv); |
1257 | PUSHs (sv); |
1151 | |
1258 | |
… | |
… | |
1162 | |
1269 | |
1163 | if (count) |
1270 | if (count) |
1164 | { |
1271 | { |
1165 | SvREFCNT_dec_NN (tag_sv); |
1272 | SvREFCNT_dec_NN (tag_sv); |
1166 | SvREFCNT_dec_NN (sv); |
1273 | SvREFCNT_dec_NN (sv); |
1167 | sv = SvREFCNT_inc_NN (POPs); |
1274 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1275 | SP -= count; |
1168 | } |
1276 | } |
1169 | else |
1277 | else |
1170 | { |
1278 | { |
1171 | AV *av = newAV (); |
1279 | AV *av = newAV (); |
1172 | av_push (av, tag_sv); |
1280 | av_push (av, tag_sv); |
… | |
… | |
1668 | cbor_init (&cbor); |
1776 | cbor_init (&cbor); |
1669 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1777 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1670 | XPUSHs (cborstr); |
1778 | XPUSHs (cborstr); |
1671 | } |
1779 | } |
1672 | |
1780 | |
|
|
1781 | #ifdef __AFL_COMPILER |
|
|
1782 | |
|
|
1783 | void |
|
|
1784 | afl_init () |
|
|
1785 | CODE: |
|
|
1786 | __AFL_INIT (); |
|
|
1787 | |
|
|
1788 | int |
|
|
1789 | afl_loop (unsigned int count = 10000) |
|
|
1790 | CODE: |
|
|
1791 | RETVAL = __AFL_LOOP (count); |
|
|
1792 | OUTPUT: |
|
|
1793 | RETVAL |
|
|
1794 | |
|
|
1795 | #endif |
|
|
1796 | |