… | |
… | |
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> |
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11 | #include <inttypes.h> |
11 | |
12 | |
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13 | #define ECB_NO_THREADS 1 |
12 | #include "ecb.h" |
14 | #include "ecb.h" |
13 | |
15 | |
14 | // compatibility with perl <5.18 |
16 | // compatibility with perl <5.18 |
15 | #ifndef HvNAMELEN_get |
17 | #ifndef HvNAMELEN_get |
16 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
18 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
… | |
… | |
19 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
21 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
20 | #endif |
22 | #endif |
21 | #ifndef HvNAMEUTF8 |
23 | #ifndef HvNAMEUTF8 |
22 | # define HvNAMEUTF8(hv) 0 |
24 | # define HvNAMEUTF8(hv) 0 |
23 | #endif |
25 | #endif |
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26 | #ifndef SvREFCNT_inc_NN |
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27 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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28 | #endif |
24 | #ifndef SvREFCNT_dec_NN |
29 | #ifndef SvREFCNT_dec_NN |
25 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
30 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
26 | #endif |
31 | #endif |
27 | |
32 | |
28 | // known major and minor types |
33 | // known major and minor types |
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94 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
95 | |
100 | |
96 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
97 | }; |
102 | }; |
98 | |
103 | |
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104 | // known forced types, also hardcoded in CBOR.pm |
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105 | enum |
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106 | { |
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107 | AS_CBOR = 0, |
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108 | AS_INT = 1, |
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109 | AS_BYTES = 2, |
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110 | AS_TEXT = 3, |
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111 | AS_FLOAT16 = 4, |
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112 | AS_FLOAT32 = 5, |
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113 | AS_FLOAT64 = 6, |
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114 | // possibly future enhancements: (generic) float, (generic) string |
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115 | }; |
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116 | |
99 | #define F_SHRINK 0x00000001UL |
117 | #define F_SHRINK 0x00000001UL |
100 | #define F_ALLOW_UNKNOWN 0x00000002UL |
118 | #define F_ALLOW_UNKNOWN 0x00000002UL |
101 | #define F_ALLOW_SHARING 0x00000004UL |
119 | #define F_ALLOW_SHARING 0x00000004UL |
102 | #define F_ALLOW_CYCLES 0x00000008UL |
120 | #define F_ALLOW_CYCLES 0x00000008UL |
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121 | #define F_FORBID_OBJECTS 0x00000010UL |
103 | #define F_PACK_STRINGS 0x00000010UL |
122 | #define F_PACK_STRINGS 0x00000020UL |
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123 | #define F_TEXT_KEYS 0x00000040UL |
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124 | #define F_TEXT_STRINGS 0x00000080UL |
104 | #define F_VALIDATE_UTF8 0x00000020UL |
125 | #define F_VALIDATE_UTF8 0x00000100UL |
105 | |
126 | |
106 | #define INIT_SIZE 32 // initial scalar size to be allocated |
127 | #define INIT_SIZE 32 // initial scalar size to be allocated |
107 | |
128 | |
108 | #define SB do { |
129 | #define SB do { |
109 | #define SE } while (0) |
130 | #define SE } while (0) |
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182 | |
203 | |
183 | // minimum length of a string to be registered for stringref |
204 | // minimum length of a string to be registered for stringref |
184 | ecb_inline int |
205 | ecb_inline int |
185 | minimum_string_length (UV idx) |
206 | minimum_string_length (UV idx) |
186 | { |
207 | { |
187 | return idx > 23 |
208 | return idx <= 23 ? 3 |
188 | ? idx > 0xffU |
209 | : idx <= 0xffU ? 4 |
189 | ? idx > 0xffffU |
210 | : idx <= 0xffffU ? 5 |
190 | ? idx > 0xffffffffU |
211 | : idx <= 0xffffffffU ? 7 |
191 | ? 11 |
212 | : 11; |
192 | : 7 |
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193 | : 5 |
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194 | : 4 |
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195 | : 3; |
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196 | } |
213 | } |
197 | |
214 | |
198 | ///////////////////////////////////////////////////////////////////////////// |
215 | ///////////////////////////////////////////////////////////////////////////// |
199 | // encoder |
216 | // encoder |
200 | |
217 | |
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213 | } enc_t; |
230 | } enc_t; |
214 | |
231 | |
215 | ecb_inline void |
232 | ecb_inline void |
216 | need (enc_t *enc, STRLEN len) |
233 | need (enc_t *enc, STRLEN len) |
217 | { |
234 | { |
218 | if (ecb_expect_false (enc->cur + len >= enc->end)) |
235 | if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
219 | { |
236 | { |
220 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
237 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
221 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
238 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
222 | enc->cur = SvPVX (enc->sv) + cur; |
239 | enc->cur = SvPVX (enc->sv) + cur; |
223 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
240 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
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229 | { |
246 | { |
230 | need (enc, 1); |
247 | need (enc, 1); |
231 | *enc->cur++ = ch; |
248 | *enc->cur++ = ch; |
232 | } |
249 | } |
233 | |
250 | |
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251 | // used for tags, intregers, element counts and so on |
234 | static void |
252 | static void |
235 | encode_uint (enc_t *enc, int major, UV len) |
253 | encode_uint (enc_t *enc, int major, UV len) |
236 | { |
254 | { |
237 | need (enc, 9); |
255 | need (enc, 9); |
238 | |
256 | |
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269 | *enc->cur++ = len >> 8; |
287 | *enc->cur++ = len >> 8; |
270 | *enc->cur++ = len; |
288 | *enc->cur++ = len; |
271 | } |
289 | } |
272 | } |
290 | } |
273 | |
291 | |
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292 | // encodes a perl value into a CBOR integer |
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293 | ecb_inline void |
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294 | encode_int (enc_t *enc, SV *sv) |
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295 | { |
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296 | if (SvIsUV (sv)) |
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297 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
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298 | else if (SvIVX (sv) >= 0) |
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299 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
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300 | else |
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301 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
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302 | } |
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303 | |
274 | ecb_inline void |
304 | ecb_inline void |
275 | encode_tag (enc_t *enc, UV tag) |
305 | encode_tag (enc_t *enc, UV tag) |
276 | { |
306 | { |
277 | encode_uint (enc, MAJOR_TAG, tag); |
307 | encode_uint (enc, MAJOR_TAG, tag); |
278 | } |
308 | } |
279 | |
309 | |
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310 | // exceptional (hopefully) slow path for byte strings that need to be utf8-encoded |
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311 | ecb_noinline static void |
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312 | encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len) |
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313 | { |
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314 | STRLEN ulen = len; |
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315 | U8 *p, *pend = (U8 *)str + len; |
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316 | |
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317 | for (p = (U8 *)str; p < pend; ++p) |
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318 | ulen += *p >> 7; // count set high bits |
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319 | |
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320 | encode_uint (enc, MAJOR_TEXT, ulen); |
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321 | |
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322 | need (enc, ulen); |
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323 | for (p = (U8 *)str; p < pend; ++p) |
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324 | if (*p < 0x80) |
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325 | *enc->cur++ = *p; |
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326 | else |
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327 | { |
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328 | *enc->cur++ = 0xc0 + (*p >> 6); |
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329 | *enc->cur++ = 0x80 + (*p & 63); |
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330 | } |
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331 | } |
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332 | |
280 | ecb_inline void |
333 | ecb_inline void |
281 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
334 | encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
282 | { |
335 | { |
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336 | if (ecb_expect_false (upgrade_utf8)) |
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337 | if (!utf8) |
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338 | { |
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339 | encode_str_utf8 (enc, utf8, str, len); |
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340 | return; |
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341 | } |
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342 | |
283 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
343 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
284 | need (enc, len); |
344 | need (enc, len); |
285 | memcpy (enc->cur, str, len); |
345 | memcpy (enc->cur, str, len); |
286 | enc->cur += len; |
346 | enc->cur += len; |
287 | } |
347 | } |
288 | |
348 | |
289 | static void |
349 | ecb_inline void |
290 | encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) |
350 | encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
291 | { |
351 | { |
292 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
352 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
293 | { |
353 | { |
294 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
354 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
295 | |
355 | |
… | |
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306 | sv_setuv (*svp, enc->stringref_idx); |
366 | sv_setuv (*svp, enc->stringref_idx); |
307 | ++enc->stringref_idx; |
367 | ++enc->stringref_idx; |
308 | } |
368 | } |
309 | } |
369 | } |
310 | |
370 | |
311 | encode_str (enc, utf8, str, len); |
371 | encode_str (enc, upgrade_utf8, utf8, str, len); |
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372 | } |
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373 | |
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374 | ecb_inline void |
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375 | encode_float16 (enc_t *enc, NV nv) |
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376 | { |
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377 | need (enc, 1+2); |
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378 | |
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379 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT16; |
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380 | |
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381 | uint16_t fp = ecb_float_to_binary16 (nv); |
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382 | |
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383 | if (!ecb_big_endian ()) |
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384 | fp = ecb_bswap16 (fp); |
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385 | |
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386 | memcpy (enc->cur, &fp, 2); |
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387 | enc->cur += 2; |
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388 | } |
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389 | |
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390 | ecb_inline void |
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391 | encode_float32 (enc_t *enc, NV nv) |
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392 | { |
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393 | need (enc, 1+4); |
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394 | |
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395 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
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396 | |
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397 | uint32_t fp = ecb_float_to_binary32 (nv); |
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398 | |
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399 | if (!ecb_big_endian ()) |
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400 | fp = ecb_bswap32 (fp); |
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401 | |
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402 | memcpy (enc->cur, &fp, 4); |
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403 | enc->cur += 4; |
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404 | } |
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405 | |
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406 | ecb_inline void |
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407 | encode_float64 (enc_t *enc, NV nv) |
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408 | { |
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409 | need (enc, 1+8); |
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410 | |
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411 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
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412 | |
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413 | uint64_t fp = ecb_double_to_binary64 (nv); |
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414 | |
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415 | if (!ecb_big_endian ()) |
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416 | fp = ecb_bswap64 (fp); |
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417 | |
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418 | memcpy (enc->cur, &fp, 8); |
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419 | enc->cur += 8; |
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420 | } |
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421 | |
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422 | ecb_inline void |
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423 | encode_bool (enc_t *enc, int istrue) |
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424 | { |
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425 | encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
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426 | } |
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427 | |
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428 | ecb_inline void |
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429 | encode_forced (enc_t *enc, UV type, SV *sv) |
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430 | { |
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431 | switch (type) |
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432 | { |
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433 | case AS_CBOR: |
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434 | { |
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435 | STRLEN len; |
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436 | char *str = SvPVbyte (sv, len); |
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437 | |
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438 | need (enc, len); |
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439 | memcpy (enc->cur, str, len); |
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440 | enc->cur += len; |
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441 | } |
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442 | break; |
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443 | |
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444 | case AS_BYTES: |
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445 | { |
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446 | STRLEN len; |
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447 | char *str = SvPVbyte (sv, len); |
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448 | encode_strref (enc, 0, 0, str, len); |
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449 | } |
|
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450 | break; |
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451 | |
|
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452 | case AS_TEXT: |
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453 | { |
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454 | STRLEN len; |
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455 | char *str = SvPVutf8 (sv, len); |
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456 | encode_strref (enc, 1, 1, str, len); |
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457 | } |
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458 | break; |
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459 | |
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460 | case AS_INT: encode_int (enc, sv); break; |
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461 | |
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462 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
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463 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
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464 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
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465 | |
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466 | default: |
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467 | croak ("encountered malformed CBOR::XS::Tagged object"); |
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468 | } |
312 | } |
469 | } |
313 | |
470 | |
314 | static void encode_sv (enc_t *enc, SV *sv); |
471 | static void encode_sv (enc_t *enc, SV *sv); |
315 | |
472 | |
316 | static void |
473 | static void |
… | |
… | |
323 | |
480 | |
324 | ++enc->depth; |
481 | ++enc->depth; |
325 | |
482 | |
326 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
483 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
327 | |
484 | |
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|
485 | if (ecb_expect_false (SvMAGICAL (av))) |
328 | for (i = 0; i <= len; ++i) |
486 | for (i = 0; i <= len; ++i) |
329 | { |
487 | { |
330 | SV **svp = av_fetch (av, i, 0); |
488 | SV **svp = av_fetch (av, i, 0); |
331 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
489 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
332 | } |
490 | } |
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491 | else |
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492 | for (i = 0; i <= len; ++i) |
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493 | { |
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494 | SV *sv = AvARRAY (av)[i]; |
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495 | encode_sv (enc, sv ? sv : &PL_sv_undef); |
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496 | } |
333 | |
497 | |
334 | --enc->depth; |
498 | --enc->depth; |
335 | } |
499 | } |
336 | |
500 | |
337 | static void |
501 | static void |
… | |
… | |
345 | ++enc->depth; |
509 | ++enc->depth; |
346 | |
510 | |
347 | int pairs = hv_iterinit (hv); |
511 | int pairs = hv_iterinit (hv); |
348 | int mg = SvMAGICAL (hv); |
512 | int mg = SvMAGICAL (hv); |
349 | |
513 | |
350 | if (mg) |
514 | if (ecb_expect_false (mg)) |
351 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
515 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
352 | else |
516 | else |
353 | encode_uint (enc, MAJOR_MAP, pairs); |
517 | encode_uint (enc, MAJOR_MAP, pairs); |
354 | |
518 | |
355 | while ((he = hv_iternext (hv))) |
519 | while ((he = hv_iternext (hv))) |
356 | { |
520 | { |
357 | if (HeKLEN (he) == HEf_SVKEY) |
521 | if (HeKLEN (he) == HEf_SVKEY) |
358 | encode_sv (enc, HeSVKEY (he)); |
522 | encode_sv (enc, HeSVKEY (he)); |
359 | else |
523 | else |
360 | encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
524 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
361 | |
525 | |
362 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
526 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
363 | } |
527 | } |
364 | |
528 | |
365 | if (mg) |
529 | if (ecb_expect_false (mg)) |
366 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
530 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
367 | |
531 | |
368 | --enc->depth; |
532 | --enc->depth; |
369 | } |
533 | } |
370 | |
534 | |
… | |
… | |
390 | |
554 | |
391 | HV *stash = SvSTASH (sv); |
555 | HV *stash = SvSTASH (sv); |
392 | |
556 | |
393 | if (stash == boolean_stash) |
557 | if (stash == boolean_stash) |
394 | { |
558 | { |
395 | encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
559 | encode_bool (enc, SvIV (sv)); |
396 | return; |
560 | return; |
397 | } |
561 | } |
398 | else if (stash == error_stash) |
562 | else if (stash == error_stash) |
399 | { |
563 | { |
400 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
564 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
… | |
… | |
403 | else if (stash == tagged_stash) |
567 | else if (stash == tagged_stash) |
404 | { |
568 | { |
405 | if (svt != SVt_PVAV) |
569 | if (svt != SVt_PVAV) |
406 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
570 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
407 | |
571 | |
|
|
572 | switch (av_len ((AV *)sv)) |
|
|
573 | { |
|
|
574 | case 2-1: |
|
|
575 | // actually a tagged value |
408 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
576 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
409 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
577 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
578 | break; |
|
|
579 | |
|
|
580 | case 3-1: |
|
|
581 | // a forced type [value, type, undef] |
|
|
582 | encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1)); |
|
|
583 | break; |
|
|
584 | |
|
|
585 | default: |
|
|
586 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
587 | } |
410 | |
588 | |
411 | return; |
589 | return; |
412 | } |
590 | } |
413 | } |
591 | } |
414 | |
592 | |
415 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
593 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
416 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
594 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
417 | { |
595 | { |
418 | if (!enc->shareable) |
596 | if (ecb_expect_false (!enc->shareable)) |
419 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
597 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
420 | |
598 | |
421 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
599 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
422 | |
600 | |
423 | if (SvOK (*svp)) |
601 | if (SvOK (*svp)) |
… | |
… | |
437 | if (ecb_expect_false (SvOBJECT (sv))) |
615 | if (ecb_expect_false (SvOBJECT (sv))) |
438 | { |
616 | { |
439 | HV *stash = SvSTASH (sv); |
617 | HV *stash = SvSTASH (sv); |
440 | GV *method; |
618 | GV *method; |
441 | |
619 | |
|
|
620 | if (enc->cbor.flags & F_FORBID_OBJECTS) |
|
|
621 | croak ("encountered object '%s', but forbid_objects is enabled", |
|
|
622 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
442 | if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
623 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
443 | { |
624 | { |
444 | dSP; |
625 | dSP; |
445 | |
626 | |
446 | ENTER; SAVETMPS; PUSHMARK (SP); |
627 | ENTER; SAVETMPS; |
|
|
628 | PUSHMARK (SP); |
447 | // we re-bless the reference to get overload and other niceties right |
629 | // we re-bless the reference to get overload and other niceties right |
448 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
630 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
449 | |
631 | |
450 | PUTBACK; |
632 | PUTBACK; |
451 | // G_SCALAR ensures that return value is 1 |
633 | // G_SCALAR ensures that return value is 1 |
… | |
… | |
464 | } |
646 | } |
465 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
647 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
466 | { |
648 | { |
467 | dSP; |
649 | dSP; |
468 | |
650 | |
469 | ENTER; SAVETMPS; PUSHMARK (SP); |
651 | ENTER; SAVETMPS; |
|
|
652 | PUSHMARK (SP); |
470 | EXTEND (SP, 2); |
653 | EXTEND (SP, 2); |
471 | // we re-bless the reference to get overload and other niceties right |
654 | // we re-bless the reference to get overload and other niceties right |
472 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
655 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
473 | PUSHs (sv_cbor); |
656 | PUSHs (sv_cbor); |
474 | |
657 | |
… | |
… | |
480 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
663 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
481 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
664 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
482 | |
665 | |
483 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
666 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
484 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
667 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
485 | encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
668 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
486 | |
669 | |
487 | while (count) |
670 | { |
|
|
671 | int i; |
|
|
672 | |
|
|
673 | for (i = 0; i < count; ++i) |
488 | encode_sv (enc, SP[1 - count--]); |
674 | encode_sv (enc, SP[i + 1 - count]); |
|
|
675 | |
|
|
676 | SP -= count; |
|
|
677 | } |
489 | |
678 | |
490 | PUTBACK; |
679 | PUTBACK; |
491 | |
680 | |
492 | FREETMPS; LEAVE; |
681 | FREETMPS; LEAVE; |
493 | } |
682 | } |
… | |
… | |
515 | |
704 | |
516 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
705 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
517 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
706 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
518 | //TODO: maybe I32? |
707 | //TODO: maybe I32? |
519 | else if (ecb_expect_false (nv == (float)nv)) |
708 | else if (ecb_expect_false (nv == (float)nv)) |
520 | { |
709 | encode_float32 (enc, nv); |
521 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
522 | |
|
|
523 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
524 | |
|
|
525 | if (!ecb_big_endian ()) |
|
|
526 | fp = ecb_bswap32 (fp); |
|
|
527 | |
|
|
528 | memcpy (enc->cur, &fp, 4); |
|
|
529 | enc->cur += 4; |
|
|
530 | } |
|
|
531 | else |
710 | else |
532 | { |
711 | encode_float64 (enc, nv); |
533 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
534 | |
|
|
535 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
536 | |
|
|
537 | if (!ecb_big_endian ()) |
|
|
538 | fp = ecb_bswap64 (fp); |
|
|
539 | |
|
|
540 | memcpy (enc->cur, &fp, 8); |
|
|
541 | enc->cur += 8; |
|
|
542 | } |
|
|
543 | } |
712 | } |
544 | |
713 | |
545 | static void |
714 | static void |
546 | encode_sv (enc_t *enc, SV *sv) |
715 | encode_sv (enc_t *enc, SV *sv) |
547 | { |
716 | { |
… | |
… | |
549 | |
718 | |
550 | if (SvPOKp (sv)) |
719 | if (SvPOKp (sv)) |
551 | { |
720 | { |
552 | STRLEN len; |
721 | STRLEN len; |
553 | char *str = SvPV (sv, len); |
722 | char *str = SvPV (sv, len); |
554 | encode_strref (enc, SvUTF8 (sv), str, len); |
723 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
555 | } |
724 | } |
556 | else if (SvNOKp (sv)) |
725 | else if (SvNOKp (sv)) |
557 | encode_nv (enc, sv); |
726 | encode_nv (enc, sv); |
558 | else if (SvIOKp (sv)) |
727 | else if (SvIOKp (sv)) |
559 | { |
728 | encode_int (enc, sv); |
560 | if (SvIsUV (sv)) |
|
|
561 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
|
|
562 | else if (SvIVX (sv) >= 0) |
|
|
563 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
|
|
564 | else |
|
|
565 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
|
|
566 | } |
|
|
567 | else if (SvROK (sv)) |
729 | else if (SvROK (sv)) |
568 | encode_rv (enc, SvRV (sv)); |
730 | encode_rv (enc, SvRV (sv)); |
569 | else if (!SvOK (sv)) |
731 | else if (!SvOK (sv)) |
570 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
732 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
571 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
733 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
… | |
… | |
576 | } |
738 | } |
577 | |
739 | |
578 | static SV * |
740 | static SV * |
579 | encode_cbor (SV *scalar, CBOR *cbor) |
741 | encode_cbor (SV *scalar, CBOR *cbor) |
580 | { |
742 | { |
581 | enc_t enc = { }; |
743 | enc_t enc = { 0 }; |
582 | |
744 | |
583 | enc.cbor = *cbor; |
745 | enc.cbor = *cbor; |
584 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
746 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
585 | enc.cur = SvPVX (enc.sv); |
747 | enc.cur = SvPVX (enc.sv); |
586 | enc.end = SvEND (enc.sv); |
748 | enc.end = SvEND (enc.sv); |
587 | |
749 | |
588 | SvPOK_only (enc.sv); |
750 | SvPOK_only (enc.sv); |
589 | |
751 | |
590 | if (cbor->flags & F_PACK_STRINGS) |
752 | if (cbor->flags & F_PACK_STRINGS) |
591 | { |
753 | { |
… | |
… | |
618 | U32 depth; // recursion depth |
780 | U32 depth; // recursion depth |
619 | U32 maxdepth; // recursion depth limit |
781 | U32 maxdepth; // recursion depth limit |
620 | AV *shareable; |
782 | AV *shareable; |
621 | AV *stringref; |
783 | AV *stringref; |
622 | SV *decode_tagged; |
784 | SV *decode_tagged; |
|
|
785 | SV *err_sv; // optional sv for error, needs to be freed |
623 | } dec_t; |
786 | } dec_t; |
624 | |
787 | |
625 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
788 | // set dec->err to ERRSV |
|
|
789 | ecb_cold static void |
|
|
790 | err_errsv (dec_t *dec) |
|
|
791 | { |
|
|
792 | if (!dec->err) |
|
|
793 | { |
|
|
794 | dec->err_sv = newSVsv (ERRSV); |
626 | |
795 | |
627 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
796 | // chop off the trailing \n |
|
|
797 | SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1); |
|
|
798 | *SvEND (dec->err_sv) = 0; |
628 | |
799 | |
|
|
800 | dec->err = SvPVutf8_nolen (dec->err_sv); |
|
|
801 | } |
|
|
802 | } |
|
|
803 | |
|
|
804 | // the following functions are used to reduce code size and help the compiler to optimise |
|
|
805 | ecb_cold static void |
|
|
806 | err_set (dec_t *dec, const char *reason) |
|
|
807 | { |
|
|
808 | if (!dec->err) |
|
|
809 | dec->err = reason; |
|
|
810 | } |
|
|
811 | |
|
|
812 | ecb_cold static void |
|
|
813 | err_unexpected_end (dec_t *dec) |
|
|
814 | { |
|
|
815 | err_set (dec, "unexpected end of CBOR data"); |
|
|
816 | } |
|
|
817 | |
|
|
818 | #define ERR_DO(do) SB do; goto fail; SE |
|
|
819 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
|
|
820 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
|
|
821 | |
|
|
822 | #define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec)) |
|
|
823 | |
629 | #define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) |
824 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
630 | #define DEC_DEC_DEPTH --dec->depth |
825 | #define DEC_DEC_DEPTH --dec->depth |
631 | |
826 | |
632 | static UV |
827 | static UV |
633 | decode_uint (dec_t *dec) |
828 | decode_uint (dec_t *dec) |
634 | { |
829 | { |
… | |
… | |
700 | |
895 | |
701 | for (;;) |
896 | for (;;) |
702 | { |
897 | { |
703 | WANT (1); |
898 | WANT (1); |
704 | |
899 | |
705 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
900 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
706 | { |
901 | { |
707 | ++dec->cur; |
902 | ++dec->cur; |
708 | break; |
903 | break; |
709 | } |
904 | } |
710 | |
905 | |
711 | av_push (av, decode_sv (dec)); |
906 | av_push (av, decode_sv (dec)); |
712 | } |
907 | } |
713 | } |
908 | } |
714 | else |
909 | else |
715 | { |
910 | { |
716 | int i, len = decode_uint (dec); |
911 | UV i, len = decode_uint (dec); |
717 | |
912 | |
718 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
913 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
719 | av_fill (av, len - 1); |
914 | av_fill (av, len - 1); |
720 | |
915 | |
721 | for (i = 0; i < len; ++i) |
916 | for (i = 0; i < len; ++i) |
… | |
… | |
724 | |
919 | |
725 | DEC_DEC_DEPTH; |
920 | DEC_DEC_DEPTH; |
726 | return newRV_noinc ((SV *)av); |
921 | return newRV_noinc ((SV *)av); |
727 | |
922 | |
728 | fail: |
923 | fail: |
729 | SvREFCNT_dec (av); |
924 | SvREFCNT_dec_NN (av); |
730 | DEC_DEC_DEPTH; |
925 | DEC_DEC_DEPTH; |
731 | return &PL_sv_undef; |
926 | return &PL_sv_undef; |
732 | } |
927 | } |
733 | |
928 | |
734 | static void |
929 | static void |
… | |
… | |
736 | { |
931 | { |
737 | // for speed reasons, we specialcase single-string |
932 | // for speed reasons, we specialcase single-string |
738 | // byte or utf-8 strings as keys, but only when !stringref |
933 | // byte or utf-8 strings as keys, but only when !stringref |
739 | |
934 | |
740 | if (ecb_expect_true (!dec->stringref)) |
935 | if (ecb_expect_true (!dec->stringref)) |
741 | if (ecb_expect_true ((*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
936 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
742 | { |
937 | { |
743 | I32 len = decode_uint (dec); |
938 | STRLEN len = decode_uint (dec); |
744 | char *key = (char *)dec->cur; |
939 | char *key = (char *)dec->cur; |
745 | |
940 | |
|
|
941 | WANT (len); |
746 | dec->cur += len; |
942 | dec->cur += len; |
747 | |
943 | |
748 | hv_store (hv, key, len, decode_sv (dec), 0); |
944 | hv_store (hv, key, len, decode_sv (dec), 0); |
749 | |
945 | |
750 | return; |
946 | return; |
751 | } |
947 | } |
752 | else if (ecb_expect_true ((*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
948 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
753 | { |
949 | { |
754 | I32 len = decode_uint (dec); |
950 | STRLEN len = decode_uint (dec); |
755 | char *key = (char *)dec->cur; |
951 | char *key = (char *)dec->cur; |
756 | |
952 | |
|
|
953 | WANT (len); |
757 | dec->cur += len; |
954 | dec->cur += len; |
758 | |
955 | |
759 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
956 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
760 | if (!is_utf8_string (key, len)) |
957 | if (!is_utf8_string (key, len)) |
761 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
958 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
… | |
… | |
766 | } |
963 | } |
767 | |
964 | |
768 | SV *k = decode_sv (dec); |
965 | SV *k = decode_sv (dec); |
769 | SV *v = decode_sv (dec); |
966 | SV *v = decode_sv (dec); |
770 | |
967 | |
|
|
968 | // we leak memory if uncaught exceptions are thrown by random magical |
|
|
969 | // methods, and this is hopefully the only place where it can happen, |
|
|
970 | // so if there is a chance of an exception, take the very slow path. |
|
|
971 | // since catching exceptions is "undocumented/internal/forbidden" by |
|
|
972 | // the new p5p powers, we need to call out to a perl function :/ |
|
|
973 | if (ecb_expect_false (SvAMAGIC (k))) |
|
|
974 | { |
|
|
975 | dSP; |
|
|
976 | |
|
|
977 | ENTER; SAVETMPS; |
|
|
978 | PUSHMARK (SP); |
|
|
979 | EXTEND (SP, 3); |
|
|
980 | PUSHs (sv_2mortal (newRV_inc ((SV *)hv))); |
|
|
981 | PUSHs (sv_2mortal (k)); |
|
|
982 | PUSHs (sv_2mortal (v)); |
|
|
983 | |
|
|
984 | PUTBACK; |
|
|
985 | call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL); |
|
|
986 | SPAGAIN; |
|
|
987 | |
|
|
988 | FREETMPS; LEAVE; |
|
|
989 | |
|
|
990 | if (SvTRUE (ERRSV)) |
|
|
991 | ERR_ERRSV; |
|
|
992 | |
|
|
993 | return; |
|
|
994 | } |
|
|
995 | |
771 | hv_store_ent (hv, k, v, 0); |
996 | hv_store_ent (hv, k, v, 0); |
772 | SvREFCNT_dec (k); |
997 | SvREFCNT_dec_NN (k); |
773 | |
998 | |
774 | fail: |
999 | fail: |
775 | ; |
1000 | ; |
776 | } |
1001 | } |
777 | |
1002 | |
… | |
… | |
788 | |
1013 | |
789 | for (;;) |
1014 | for (;;) |
790 | { |
1015 | { |
791 | WANT (1); |
1016 | WANT (1); |
792 | |
1017 | |
793 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
1018 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
794 | { |
1019 | { |
795 | ++dec->cur; |
1020 | ++dec->cur; |
796 | break; |
1021 | break; |
797 | } |
1022 | } |
798 | |
1023 | |
799 | decode_he (dec, hv); |
1024 | decode_he (dec, hv); |
800 | } |
1025 | } |
801 | } |
1026 | } |
802 | else |
1027 | else |
803 | { |
1028 | { |
804 | int pairs = decode_uint (dec); |
1029 | UV pairs = decode_uint (dec); |
|
|
1030 | |
|
|
1031 | WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes |
805 | |
1032 | |
806 | while (pairs--) |
1033 | while (pairs--) |
807 | decode_he (dec, hv); |
1034 | decode_he (dec, hv); |
808 | } |
1035 | } |
809 | |
1036 | |
810 | DEC_DEC_DEPTH; |
1037 | DEC_DEC_DEPTH; |
811 | return newRV_noinc ((SV *)hv); |
1038 | return newRV_noinc ((SV *)hv); |
812 | |
1039 | |
813 | fail: |
1040 | fail: |
814 | SvREFCNT_dec (hv); |
1041 | SvREFCNT_dec_NN (hv); |
815 | DEC_DEC_DEPTH; |
1042 | DEC_DEC_DEPTH; |
816 | return &PL_sv_undef; |
1043 | return &PL_sv_undef; |
817 | } |
1044 | } |
818 | |
1045 | |
819 | static SV * |
1046 | static SV * |
820 | decode_str (dec_t *dec, int utf8) |
1047 | decode_str (dec_t *dec, int utf8) |
821 | { |
1048 | { |
822 | SV *sv = 0; |
1049 | SV *sv = 0; |
823 | |
1050 | |
824 | if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) |
1051 | if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF)) |
825 | { |
1052 | { |
826 | // indefinite length strings |
1053 | // indefinite length strings |
827 | ++dec->cur; |
1054 | ++dec->cur; |
828 | |
1055 | |
829 | U8 major = *dec->cur & MAJOR_MISC; |
1056 | U8 major = *dec->cur & MAJOR_MISC; |
… | |
… | |
897 | sv = newRV_noinc (decode_sv (dec)); |
1124 | sv = newRV_noinc (decode_sv (dec)); |
898 | break; |
1125 | break; |
899 | |
1126 | |
900 | case CBOR_TAG_STRINGREF_NAMESPACE: |
1127 | case CBOR_TAG_STRINGREF_NAMESPACE: |
901 | { |
1128 | { |
|
|
1129 | // do not use SAVETMPS/FREETMPS, as these will |
|
|
1130 | // erase mortalised caches, e.g. "shareable" |
902 | ENTER; SAVETMPS; |
1131 | ENTER; |
903 | |
1132 | |
904 | SAVESPTR (dec->stringref); |
1133 | SAVESPTR (dec->stringref); |
905 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
1134 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
906 | |
1135 | |
907 | sv = decode_sv (dec); |
1136 | sv = decode_sv (dec); |
908 | |
1137 | |
909 | FREETMPS; LEAVE; |
1138 | LEAVE; |
910 | } |
1139 | } |
911 | break; |
1140 | break; |
912 | |
1141 | |
913 | case CBOR_TAG_STRINGREF: |
1142 | case CBOR_TAG_STRINGREF: |
914 | { |
1143 | { |
915 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1144 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
916 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1145 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
917 | |
1146 | |
918 | UV idx = decode_uint (dec); |
1147 | UV idx = decode_uint (dec); |
919 | |
1148 | |
920 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
1149 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
921 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1150 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
922 | |
1151 | |
923 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1152 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
924 | } |
1153 | } |
925 | break; |
1154 | break; |
… | |
… | |
953 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
1182 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
954 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1183 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
955 | |
1184 | |
956 | UV idx = decode_uint (dec); |
1185 | UV idx = decode_uint (dec); |
957 | |
1186 | |
958 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
1187 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
959 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1188 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
960 | |
1189 | |
961 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1190 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
962 | |
1191 | |
963 | if (sv == &PL_sv_undef) |
1192 | if (sv == &PL_sv_undef) |
… | |
… | |
965 | } |
1194 | } |
966 | break; |
1195 | break; |
967 | |
1196 | |
968 | case CBOR_TAG_PERL_OBJECT: |
1197 | case CBOR_TAG_PERL_OBJECT: |
969 | { |
1198 | { |
|
|
1199 | if (dec->cbor.flags & F_FORBID_OBJECTS) |
|
|
1200 | goto filter; |
|
|
1201 | |
970 | sv = decode_sv (dec); |
1202 | sv = decode_sv (dec); |
971 | |
1203 | |
972 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
1204 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
973 | ERR ("corrupted CBOR data (non-array perl object)"); |
1205 | ERR ("corrupted CBOR data (non-array perl object)"); |
974 | |
1206 | |
… | |
… | |
984 | if (!method) |
1216 | if (!method) |
985 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
1217 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
986 | |
1218 | |
987 | dSP; |
1219 | dSP; |
988 | |
1220 | |
989 | ENTER; SAVETMPS; PUSHMARK (SP); |
1221 | ENTER; SAVETMPS; |
|
|
1222 | PUSHMARK (SP); |
990 | EXTEND (SP, len + 1); |
1223 | EXTEND (SP, len + 1); |
991 | // we re-bless the reference to get overload and other niceties right |
1224 | // we re-bless the reference to get overload and other niceties right |
992 | PUSHs (*av_fetch (av, 0, 1)); |
1225 | PUSHs (*av_fetch (av, 0, 1)); |
993 | PUSHs (sv_cbor); |
1226 | PUSHs (sv_cbor); |
994 | |
1227 | |
… | |
… | |
1002 | SPAGAIN; |
1235 | SPAGAIN; |
1003 | |
1236 | |
1004 | if (SvTRUE (ERRSV)) |
1237 | if (SvTRUE (ERRSV)) |
1005 | { |
1238 | { |
1006 | FREETMPS; LEAVE; |
1239 | FREETMPS; LEAVE; |
1007 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
1240 | ERR_ERRSV; |
1008 | } |
1241 | } |
1009 | |
1242 | |
1010 | SvREFCNT_dec (sv); |
1243 | SvREFCNT_dec_NN (sv); |
1011 | sv = SvREFCNT_inc (POPs); |
1244 | sv = SvREFCNT_inc (POPs); |
1012 | |
1245 | |
1013 | PUTBACK; |
1246 | PUTBACK; |
1014 | |
1247 | |
1015 | FREETMPS; LEAVE; |
1248 | FREETMPS; LEAVE; |
1016 | } |
1249 | } |
1017 | break; |
1250 | break; |
1018 | |
1251 | |
1019 | default: |
1252 | default: |
|
|
1253 | filter: |
1020 | { |
1254 | { |
|
|
1255 | SV *tag_sv = newSVuv (tag); |
|
|
1256 | |
1021 | sv = decode_sv (dec); |
1257 | sv = decode_sv (dec); |
1022 | |
1258 | |
1023 | dSP; |
1259 | dSP; |
1024 | ENTER; SAVETMPS; PUSHMARK (SP); |
1260 | ENTER; SAVETMPS; |
|
|
1261 | PUSHMARK (SP); |
1025 | EXTEND (SP, 2); |
1262 | EXTEND (SP, 2); |
1026 | PUSHs (newSVuv (tag)); |
1263 | PUSHs (tag_sv); |
1027 | PUSHs (sv); |
1264 | PUSHs (sv); |
1028 | |
1265 | |
1029 | PUTBACK; |
1266 | PUTBACK; |
1030 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
1267 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
1031 | SPAGAIN; |
1268 | SPAGAIN; |
1032 | |
1269 | |
1033 | if (SvTRUE (ERRSV)) |
1270 | if (SvTRUE (ERRSV)) |
1034 | { |
1271 | { |
|
|
1272 | SvREFCNT_dec_NN (tag_sv); |
1035 | FREETMPS; LEAVE; |
1273 | FREETMPS; LEAVE; |
1036 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
1274 | ERR_ERRSV; |
1037 | } |
1275 | } |
1038 | |
1276 | |
1039 | if (count) |
1277 | if (count) |
1040 | { |
1278 | { |
|
|
1279 | SvREFCNT_dec_NN (tag_sv); |
1041 | SvREFCNT_dec (sv); |
1280 | SvREFCNT_dec_NN (sv); |
1042 | sv = SvREFCNT_inc (POPs); |
1281 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1282 | SP -= count; |
1043 | } |
1283 | } |
1044 | else |
1284 | else |
1045 | { |
1285 | { |
1046 | AV *av = newAV (); |
1286 | AV *av = newAV (); |
1047 | av_push (av, newSVuv (tag)); |
1287 | av_push (av, tag_sv); |
1048 | av_push (av, sv); |
1288 | av_push (av, sv); |
1049 | |
1289 | |
1050 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1290 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1051 | ? cbor_tagged_stash |
1291 | ? cbor_tagged_stash |
1052 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
1292 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
… | |
… | |
1155 | } |
1395 | } |
1156 | |
1396 | |
1157 | static SV * |
1397 | static SV * |
1158 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1398 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1159 | { |
1399 | { |
1160 | dec_t dec = { }; |
1400 | dec_t dec = { 0 }; |
1161 | SV *sv; |
1401 | SV *sv; |
1162 | STRLEN len; |
1402 | STRLEN len; |
1163 | char *data = SvPVbyte (string, len); |
1403 | char *data = SvPVbyte (string, len); |
1164 | |
1404 | |
1165 | if (len > cbor->max_size && cbor->max_size) |
1405 | if (len > cbor->max_size && cbor->max_size) |
… | |
… | |
1181 | |
1421 | |
1182 | if (dec.err) |
1422 | if (dec.err) |
1183 | { |
1423 | { |
1184 | if (dec.shareable) |
1424 | if (dec.shareable) |
1185 | { |
1425 | { |
1186 | // need to break cyclic links, which whould all be in shareable |
1426 | // need to break cyclic links, which would all be in shareable |
1187 | int i; |
1427 | int i; |
1188 | SV **svp; |
1428 | SV **svp; |
1189 | |
1429 | |
1190 | for (i = av_len (dec.shareable) + 1; i--; ) |
1430 | for (i = av_len (dec.shareable) + 1; i--; ) |
1191 | if ((svp = av_fetch (dec.shareable, i, 0))) |
1431 | if ((svp = av_fetch (dec.shareable, i, 0))) |
1192 | sv_setsv (*svp, &PL_sv_undef); |
1432 | sv_setsv (*svp, &PL_sv_undef); |
1193 | } |
1433 | } |
1194 | |
1434 | |
1195 | SvREFCNT_dec (sv); |
1435 | SvREFCNT_dec_NN (sv); |
|
|
1436 | |
|
|
1437 | if (dec.err_sv) |
|
|
1438 | sv_2mortal (dec.err_sv); |
|
|
1439 | |
1196 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
1440 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
1197 | } |
1441 | } |
1198 | |
1442 | |
1199 | sv = sv_2mortal (sv); |
1443 | sv = sv_2mortal (sv); |
1200 | |
1444 | |
… | |
… | |
1256 | |
1500 | |
1257 | int major = *p >> MAJOR_SHIFT; |
1501 | int major = *p >> MAJOR_SHIFT; |
1258 | |
1502 | |
1259 | switch (major) |
1503 | switch (major) |
1260 | { |
1504 | { |
|
|
1505 | case MAJOR_TAG >> MAJOR_SHIFT: |
|
|
1506 | ++count; // tags merely prefix another value |
|
|
1507 | break; |
|
|
1508 | |
1261 | case MAJOR_BYTES >> MAJOR_SHIFT: |
1509 | case MAJOR_BYTES >> MAJOR_SHIFT: |
1262 | case MAJOR_TEXT >> MAJOR_SHIFT: |
1510 | case MAJOR_TEXT >> MAJOR_SHIFT: |
1263 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
1511 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
1264 | case MAJOR_MAP >> MAJOR_SHIFT: |
1512 | case MAJOR_MAP >> MAJOR_SHIFT: |
1265 | { |
1513 | { |
… | |
… | |
1340 | |
1588 | |
1341 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
1589 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
1342 | |
1590 | |
1343 | sv_cbor = newSVpv ("CBOR", 0); |
1591 | sv_cbor = newSVpv ("CBOR", 0); |
1344 | SvREADONLY_on (sv_cbor); |
1592 | SvREADONLY_on (sv_cbor); |
|
|
1593 | |
|
|
1594 | assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1)); |
1345 | } |
1595 | } |
1346 | |
1596 | |
1347 | PROTOTYPES: DISABLE |
1597 | PROTOTYPES: DISABLE |
1348 | |
1598 | |
1349 | void CLONE (...) |
1599 | void CLONE (...) |
… | |
… | |
1369 | ALIAS: |
1619 | ALIAS: |
1370 | shrink = F_SHRINK |
1620 | shrink = F_SHRINK |
1371 | allow_unknown = F_ALLOW_UNKNOWN |
1621 | allow_unknown = F_ALLOW_UNKNOWN |
1372 | allow_sharing = F_ALLOW_SHARING |
1622 | allow_sharing = F_ALLOW_SHARING |
1373 | allow_cycles = F_ALLOW_CYCLES |
1623 | allow_cycles = F_ALLOW_CYCLES |
|
|
1624 | forbid_objects = F_FORBID_OBJECTS |
1374 | pack_strings = F_PACK_STRINGS |
1625 | pack_strings = F_PACK_STRINGS |
|
|
1626 | text_keys = F_TEXT_KEYS |
|
|
1627 | text_strings = F_TEXT_STRINGS |
1375 | validate_utf8 = F_VALIDATE_UTF8 |
1628 | validate_utf8 = F_VALIDATE_UTF8 |
1376 | PPCODE: |
1629 | PPCODE: |
1377 | { |
1630 | { |
1378 | if (enable) |
1631 | if (enable) |
1379 | self->flags |= ix; |
1632 | self->flags |= ix; |
… | |
… | |
1387 | ALIAS: |
1640 | ALIAS: |
1388 | get_shrink = F_SHRINK |
1641 | get_shrink = F_SHRINK |
1389 | get_allow_unknown = F_ALLOW_UNKNOWN |
1642 | get_allow_unknown = F_ALLOW_UNKNOWN |
1390 | get_allow_sharing = F_ALLOW_SHARING |
1643 | get_allow_sharing = F_ALLOW_SHARING |
1391 | get_allow_cycles = F_ALLOW_CYCLES |
1644 | get_allow_cycles = F_ALLOW_CYCLES |
|
|
1645 | get_forbid_objects = F_FORBID_OBJECTS |
1392 | get_pack_strings = F_PACK_STRINGS |
1646 | get_pack_strings = F_PACK_STRINGS |
|
|
1647 | get_text_keys = F_TEXT_KEYS |
|
|
1648 | get_text_strings = F_TEXT_STRINGS |
1393 | get_validate_utf8 = F_VALIDATE_UTF8 |
1649 | get_validate_utf8 = F_VALIDATE_UTF8 |
1394 | PPCODE: |
1650 | PPCODE: |
1395 | XPUSHs (boolSV (self->flags & ix)); |
1651 | XPUSHs (boolSV (self->flags & ix)); |
1396 | |
1652 | |
1397 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1653 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
… | |
… | |
1448 | PUSHs (sv); |
1704 | PUSHs (sv); |
1449 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1705 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1450 | } |
1706 | } |
1451 | |
1707 | |
1452 | void incr_parse (CBOR *self, SV *cborstr) |
1708 | void incr_parse (CBOR *self, SV *cborstr) |
|
|
1709 | ALIAS: |
|
|
1710 | incr_parse_multiple = 1 |
1453 | PPCODE: |
1711 | PPCODE: |
1454 | { |
1712 | { |
1455 | if (SvUTF8 (cborstr)) |
1713 | if (SvUTF8 (cborstr)) |
1456 | sv_utf8_downgrade (cborstr, 0); |
1714 | sv_utf8_downgrade (cborstr, 0); |
1457 | |
1715 | |
… | |
… | |
1487 | av_push (self->incr_count, newSViv (1)); |
1745 | av_push (self->incr_count, newSViv (1)); |
1488 | |
1746 | |
1489 | self->incr_pos = 0; |
1747 | self->incr_pos = 0; |
1490 | self->incr_need = self->incr_pos + 1; |
1748 | self->incr_need = self->incr_pos + 1; |
1491 | } |
1749 | } |
1492 | while (GIMME_V == G_ARRAY); |
1750 | while (ix); |
1493 | } |
1751 | } |
1494 | |
1752 | |
1495 | void incr_reset (CBOR *self) |
1753 | void incr_reset (CBOR *self) |
1496 | CODE: |
1754 | CODE: |
1497 | { |
1755 | { |
… | |
… | |
1525 | cbor_init (&cbor); |
1783 | cbor_init (&cbor); |
1526 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1784 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1527 | XPUSHs (cborstr); |
1785 | XPUSHs (cborstr); |
1528 | } |
1786 | } |
1529 | |
1787 | |
|
|
1788 | #ifdef __AFL_COMPILER |
|
|
1789 | |
|
|
1790 | void |
|
|
1791 | afl_init () |
|
|
1792 | CODE: |
|
|
1793 | __AFL_INIT (); |
|
|
1794 | |
|
|
1795 | int |
|
|
1796 | afl_loop (unsigned int count = 10000) |
|
|
1797 | CODE: |
|
|
1798 | RETVAL = __AFL_LOOP (count); |
|
|
1799 | OUTPUT: |
|
|
1800 | RETVAL |
|
|
1801 | |
|
|
1802 | #endif |
|
|
1803 | |