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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" |
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15 | |
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16 | // compatibility with perl <5.18 |
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17 | #ifndef HvNAMELEN_get |
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18 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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19 | #endif |
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20 | #ifndef HvNAMELEN |
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21 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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22 | #endif |
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23 | #ifndef HvNAMEUTF8 |
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24 | # define HvNAMEUTF8(hv) 0 |
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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 |
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29 | #ifndef SvREFCNT_dec_NN |
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30 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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31 | #endif |
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32 | |
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33 | // known major and minor types |
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34 | enum cbor_type |
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35 | { |
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36 | MAJOR_SHIFT = 5, |
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37 | MINOR_MASK = 0x1f, |
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38 | |
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39 | MAJOR_POS_INT = 0 << MAJOR_SHIFT, |
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40 | MAJOR_NEG_INT = 1 << MAJOR_SHIFT, |
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41 | MAJOR_BYTES = 2 << MAJOR_SHIFT, |
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42 | MAJOR_TEXT = 3 << MAJOR_SHIFT, |
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43 | MAJOR_ARRAY = 4 << MAJOR_SHIFT, |
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44 | MAJOR_MAP = 5 << MAJOR_SHIFT, |
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45 | MAJOR_TAG = 6 << MAJOR_SHIFT, |
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46 | MAJOR_MISC = 7 << MAJOR_SHIFT, |
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47 | |
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48 | // INT/STRING/ARRAY/MAP subtypes |
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49 | LENGTH_EXT1 = 24, |
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50 | LENGTH_EXT2 = 25, |
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51 | LENGTH_EXT4 = 26, |
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52 | LENGTH_EXT8 = 27, |
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53 | |
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54 | // SIMPLE types (effectively MISC subtypes) |
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55 | SIMPLE_FALSE = 20, |
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56 | SIMPLE_TRUE = 21, |
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57 | SIMPLE_NULL = 22, |
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58 | SIMPLE_UNDEF = 23, |
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59 | |
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60 | // MISC subtype (unused) |
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61 | MISC_EXT1 = 24, |
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62 | MISC_FLOAT16 = 25, |
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63 | MISC_FLOAT32 = 26, |
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64 | MISC_FLOAT64 = 27, |
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65 | |
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66 | // BYTES/TEXT/ARRAY/MAP |
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67 | MINOR_INDEF = 31, |
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68 | }; |
13 | |
69 | |
14 | // known tags |
70 | // known tags |
15 | enum cbor_tag |
71 | enum cbor_tag |
16 | { |
72 | { |
17 | // inofficial extensions (pending iana registration) |
73 | // extensions |
18 | CBOR_TAG_PERL_OBJECT = 256, |
74 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
19 | CBOR_TAG_GENERIC_OBJECT = 257, |
75 | CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object |
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76 | CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object |
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77 | CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing |
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78 | CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing |
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79 | CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref |
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80 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
20 | |
81 | |
21 | // rfc7049 |
82 | // rfc7049 |
22 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
83 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
23 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
84 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
24 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
85 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
25 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
86 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
26 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
87 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
27 | CBOR_TAG_BIGFLOAT = 5, // array |
88 | CBOR_TAG_BIGFLOAT = 5, // array |
28 | |
89 | |
29 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
90 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
30 | CBOR_TAG_CONV_B64 = 22, // base64, any |
91 | CBOR_TAG_CONV_B64 = 22, // base64, any |
31 | CBOR_TAG_CONV_HEX = 23, // base16, any |
92 | CBOR_TAG_CONV_HEX = 23, // base16, any |
32 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
93 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
33 | |
94 | |
34 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
95 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
35 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
96 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
36 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
97 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
37 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
98 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
38 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
39 | |
100 | |
40 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
41 | }; |
102 | }; |
42 | |
103 | |
43 | #define F_SHRINK 0x00000200UL |
104 | #define F_SHRINK 0x00000001UL |
44 | #define F_ALLOW_UNKNOWN 0x00002000UL |
105 | #define F_ALLOW_UNKNOWN 0x00000002UL |
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106 | #define F_ALLOW_SHARING 0x00000004UL |
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107 | #define F_ALLOW_CYCLES 0x00000008UL |
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108 | #define F_FORBID_OBJECTS 0x00000010UL |
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109 | #define F_PACK_STRINGS 0x00000020UL |
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110 | #define F_TEXT_KEYS 0x00000040UL |
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111 | #define F_TEXT_STRINGS 0x00000080UL |
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112 | #define F_VALIDATE_UTF8 0x00000100UL |
45 | |
113 | |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
114 | #define INIT_SIZE 32 // initial scalar size to be allocated |
47 | |
115 | |
48 | #define SB do { |
116 | #define SB do { |
49 | #define SE } while (0) |
117 | #define SE } while (0) |
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60 | #else |
128 | #else |
61 | # define CBOR_SLOW 0 |
129 | # define CBOR_SLOW 0 |
62 | # define CBOR_STASH cbor_stash |
130 | # define CBOR_STASH cbor_stash |
63 | #endif |
131 | #endif |
64 | |
132 | |
65 | static HV *cbor_stash, *cbor_boolean_stash, *cbor_tagged_stash; // CBOR::XS:: |
133 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
66 | static SV *cbor_true, *cbor_false; |
134 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
67 | |
135 | |
68 | typedef struct { |
136 | typedef struct { |
69 | U32 flags; |
137 | U32 flags; |
70 | U32 max_depth; |
138 | U32 max_depth; |
71 | STRLEN max_size; |
139 | STRLEN max_size; |
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140 | SV *filter; |
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141 | |
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142 | // for the incremental parser |
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143 | STRLEN incr_pos; // the current offset into the text |
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144 | STRLEN incr_need; // minimum bytes needed to decode |
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145 | AV *incr_count; // for every nesting level, the number of outstanding values, or -1 for indef. |
72 | } CBOR; |
146 | } CBOR; |
73 | |
147 | |
74 | ecb_inline void |
148 | ecb_inline void |
75 | cbor_init (CBOR *cbor) |
149 | cbor_init (CBOR *cbor) |
76 | { |
150 | { |
77 | Zero (cbor, 1, CBOR); |
151 | Zero (cbor, 1, CBOR); |
78 | cbor->max_depth = 512; |
152 | cbor->max_depth = 512; |
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153 | } |
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154 | |
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155 | ecb_inline void |
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156 | cbor_free (CBOR *cbor) |
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157 | { |
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158 | SvREFCNT_dec (cbor->filter); |
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159 | SvREFCNT_dec (cbor->incr_count); |
79 | } |
160 | } |
80 | |
161 | |
81 | ///////////////////////////////////////////////////////////////////////////// |
162 | ///////////////////////////////////////////////////////////////////////////// |
82 | // utility functions |
163 | // utility functions |
83 | |
164 | |
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105 | SvPV_renew (sv, SvCUR (sv) + 1); |
186 | SvPV_renew (sv, SvCUR (sv) + 1); |
106 | #endif |
187 | #endif |
107 | } |
188 | } |
108 | } |
189 | } |
109 | |
190 | |
110 | ///////////////////////////////////////////////////////////////////////////// |
191 | // minimum length of a string to be registered for stringref |
111 | // fp hell |
192 | ecb_inline int |
112 | |
193 | minimum_string_length (UV idx) |
113 | //TODO |
194 | { |
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195 | return idx <= 23 ? 3 |
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196 | : idx <= 0xffU ? 4 |
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197 | : idx <= 0xffffU ? 5 |
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198 | : idx <= 0xffffffffU ? 7 |
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199 | : 11; |
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200 | } |
114 | |
201 | |
115 | ///////////////////////////////////////////////////////////////////////////// |
202 | ///////////////////////////////////////////////////////////////////////////// |
116 | // encoder |
203 | // encoder |
117 | |
204 | |
118 | // structure used for encoding CBOR |
205 | // structure used for encoding CBOR |
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121 | char *cur; // SvPVX (sv) + current output position |
208 | char *cur; // SvPVX (sv) + current output position |
122 | char *end; // SvEND (sv) |
209 | char *end; // SvEND (sv) |
123 | SV *sv; // result scalar |
210 | SV *sv; // result scalar |
124 | CBOR cbor; |
211 | CBOR cbor; |
125 | U32 depth; // recursion level |
212 | U32 depth; // recursion level |
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213 | HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8) |
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214 | UV stringref_idx; |
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215 | HV *shareable; // ptr => index, or 0 |
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216 | UV shareable_idx; |
126 | } enc_t; |
217 | } enc_t; |
127 | |
218 | |
128 | ecb_inline void |
219 | ecb_inline void |
129 | need (enc_t *enc, STRLEN len) |
220 | need (enc_t *enc, STRLEN len) |
130 | { |
221 | { |
131 | if (ecb_expect_false (enc->cur + len >= enc->end)) |
222 | if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
132 | { |
223 | { |
133 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
224 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
134 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
225 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
135 | enc->cur = SvPVX (enc->sv) + cur; |
226 | enc->cur = SvPVX (enc->sv) + cur; |
136 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
227 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
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147 | static void |
238 | static void |
148 | encode_uint (enc_t *enc, int major, UV len) |
239 | encode_uint (enc_t *enc, int major, UV len) |
149 | { |
240 | { |
150 | need (enc, 9); |
241 | need (enc, 9); |
151 | |
242 | |
152 | if (len < 24) |
243 | if (ecb_expect_true (len < LENGTH_EXT1)) |
153 | *enc->cur++ = major | len; |
244 | *enc->cur++ = major | len; |
154 | else if (len <= 0xff) |
245 | else if (ecb_expect_true (len <= 0xffU)) |
155 | { |
246 | { |
156 | *enc->cur++ = major | 24; |
247 | *enc->cur++ = major | LENGTH_EXT1; |
157 | *enc->cur++ = len; |
248 | *enc->cur++ = len; |
158 | } |
249 | } |
159 | else if (len <= 0xffff) |
250 | else if (len <= 0xffffU) |
160 | { |
251 | { |
161 | *enc->cur++ = major | 25; |
252 | *enc->cur++ = major | LENGTH_EXT2; |
162 | *enc->cur++ = len >> 8; |
253 | *enc->cur++ = len >> 8; |
163 | *enc->cur++ = len; |
254 | *enc->cur++ = len; |
164 | } |
255 | } |
165 | else if (len <= 0xffffffff) |
256 | else if (len <= 0xffffffffU) |
166 | { |
257 | { |
167 | *enc->cur++ = major | 26; |
258 | *enc->cur++ = major | LENGTH_EXT4; |
168 | *enc->cur++ = len >> 24; |
259 | *enc->cur++ = len >> 24; |
169 | *enc->cur++ = len >> 16; |
260 | *enc->cur++ = len >> 16; |
170 | *enc->cur++ = len >> 8; |
261 | *enc->cur++ = len >> 8; |
171 | *enc->cur++ = len; |
262 | *enc->cur++ = len; |
172 | } |
263 | } |
173 | else |
264 | else |
174 | { |
265 | { |
175 | *enc->cur++ = major | 27; |
266 | *enc->cur++ = major | LENGTH_EXT8; |
176 | *enc->cur++ = len >> 56; |
267 | *enc->cur++ = len >> 56; |
177 | *enc->cur++ = len >> 48; |
268 | *enc->cur++ = len >> 48; |
178 | *enc->cur++ = len >> 40; |
269 | *enc->cur++ = len >> 40; |
179 | *enc->cur++ = len >> 32; |
270 | *enc->cur++ = len >> 32; |
180 | *enc->cur++ = len >> 24; |
271 | *enc->cur++ = len >> 24; |
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182 | *enc->cur++ = len >> 8; |
273 | *enc->cur++ = len >> 8; |
183 | *enc->cur++ = len; |
274 | *enc->cur++ = len; |
184 | } |
275 | } |
185 | } |
276 | } |
186 | |
277 | |
187 | static void |
278 | ecb_inline void |
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279 | encode_tag (enc_t *enc, UV tag) |
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280 | { |
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281 | encode_uint (enc, MAJOR_TAG, tag); |
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282 | } |
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283 | |
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284 | // exceptional (hopefully) slow path for byte strings that need to be utf8-encoded |
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285 | ecb_noinline static void |
188 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
286 | encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len) |
189 | { |
287 | { |
190 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
288 | STRLEN ulen = len; |
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289 | U8 *p, *pend = (U8 *)str + len; |
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290 | |
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291 | for (p = (U8 *)str; p < pend; ++p) |
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292 | ulen += *p >> 7; // count set high bits |
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293 | |
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294 | encode_uint (enc, MAJOR_TEXT, ulen); |
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295 | |
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296 | need (enc, ulen); |
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297 | for (p = (U8 *)str; p < pend; ++p) |
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298 | if (*p < 0x80) |
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299 | *enc->cur++ = *p; |
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300 | else |
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301 | { |
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302 | *enc->cur++ = 0xc0 + (*p >> 6); |
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303 | *enc->cur++ = 0x80 + (*p & 63); |
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304 | } |
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305 | } |
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306 | |
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307 | ecb_inline void |
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308 | encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
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309 | { |
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310 | if (ecb_expect_false (upgrade_utf8)) |
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311 | if (!utf8) |
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312 | { |
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313 | encode_str_utf8 (enc, utf8, str, len); |
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314 | return; |
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315 | } |
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316 | |
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317 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
191 | need (enc, len); |
318 | need (enc, len); |
192 | memcpy (enc->cur, str, len); |
319 | memcpy (enc->cur, str, len); |
193 | enc->cur += len; |
320 | enc->cur += len; |
194 | } |
321 | } |
195 | |
322 | |
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323 | ecb_inline void |
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324 | encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
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325 | { |
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326 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
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327 | { |
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328 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
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329 | |
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330 | if (SvOK (*svp)) |
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331 | { |
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332 | // already registered, use stringref |
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333 | encode_tag (enc, CBOR_TAG_STRINGREF); |
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334 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
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335 | return; |
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336 | } |
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337 | else if (len >= minimum_string_length (enc->stringref_idx)) |
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338 | { |
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339 | // register only |
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340 | sv_setuv (*svp, enc->stringref_idx); |
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341 | ++enc->stringref_idx; |
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342 | } |
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343 | } |
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344 | |
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345 | encode_str (enc, upgrade_utf8, utf8, str, len); |
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346 | } |
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347 | |
196 | static void encode_sv (enc_t *enc, SV *sv); |
348 | static void encode_sv (enc_t *enc, SV *sv); |
197 | |
349 | |
198 | static void |
350 | static void |
199 | encode_av (enc_t *enc, AV *av) |
351 | encode_av (enc_t *enc, AV *av) |
200 | { |
352 | { |
… | |
… | |
203 | if (enc->depth >= enc->cbor.max_depth) |
355 | if (enc->depth >= enc->cbor.max_depth) |
204 | croak (ERR_NESTING_EXCEEDED); |
356 | croak (ERR_NESTING_EXCEEDED); |
205 | |
357 | |
206 | ++enc->depth; |
358 | ++enc->depth; |
207 | |
359 | |
208 | encode_uint (enc, 0x80, len + 1); |
360 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
209 | |
361 | |
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362 | if (ecb_expect_false (SvMAGICAL (av))) |
210 | for (i = 0; i <= len; ++i) |
363 | for (i = 0; i <= len; ++i) |
211 | { |
364 | { |
212 | SV **svp = av_fetch (av, i, 0); |
365 | SV **svp = av_fetch (av, i, 0); |
213 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
366 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
214 | } |
367 | } |
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368 | else |
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369 | for (i = 0; i <= len; ++i) |
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370 | { |
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371 | SV *sv = AvARRAY (av)[i]; |
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372 | encode_sv (enc, sv ? sv : &PL_sv_undef); |
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373 | } |
215 | |
374 | |
216 | --enc->depth; |
375 | --enc->depth; |
217 | } |
376 | } |
218 | |
377 | |
219 | static void |
378 | static void |
… | |
… | |
227 | ++enc->depth; |
386 | ++enc->depth; |
228 | |
387 | |
229 | int pairs = hv_iterinit (hv); |
388 | int pairs = hv_iterinit (hv); |
230 | int mg = SvMAGICAL (hv); |
389 | int mg = SvMAGICAL (hv); |
231 | |
390 | |
232 | if (mg) |
391 | if (ecb_expect_false (mg)) |
233 | encode_ch (enc, 0xa0 | 31); |
392 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
234 | else |
393 | else |
235 | encode_uint (enc, 0xa0, pairs); |
394 | encode_uint (enc, MAJOR_MAP, pairs); |
236 | |
395 | |
237 | while ((he = hv_iternext (hv))) |
396 | while ((he = hv_iternext (hv))) |
238 | { |
397 | { |
239 | if (HeKLEN (he) == HEf_SVKEY) |
398 | if (HeKLEN (he) == HEf_SVKEY) |
240 | encode_sv (enc, HeSVKEY (he)); |
399 | encode_sv (enc, HeSVKEY (he)); |
241 | else |
400 | else |
242 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
401 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
243 | |
402 | |
244 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
403 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
245 | } |
404 | } |
246 | |
405 | |
247 | if (mg) |
406 | if (ecb_expect_false (mg)) |
248 | encode_ch (enc, 0xe0 | 31); |
407 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
249 | |
408 | |
250 | --enc->depth; |
409 | --enc->depth; |
251 | } |
410 | } |
252 | |
411 | |
253 | // encode objects, arrays and special \0=false and \1=true values. |
412 | // encode objects, arrays and special \0=false and \1=true values. |
254 | static void |
413 | static void |
255 | encode_rv (enc_t *enc, SV *sv) |
414 | encode_rv (enc_t *enc, SV *sv) |
256 | { |
415 | { |
257 | svtype svt; |
|
|
258 | |
|
|
259 | SvGETMAGIC (sv); |
416 | SvGETMAGIC (sv); |
|
|
417 | |
260 | svt = SvTYPE (sv); |
418 | svtype svt = SvTYPE (sv); |
261 | |
419 | |
262 | if (ecb_expect_false (SvOBJECT (sv))) |
420 | if (ecb_expect_false (SvOBJECT (sv))) |
263 | { |
421 | { |
264 | HV *boolean_stash = !CBOR_SLOW || cbor_boolean_stash |
422 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
265 | ? cbor_boolean_stash |
423 | ? types_boolean_stash |
266 | : gv_stashpv ("CBOR::XS::Boolean", 1); |
424 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
|
|
425 | HV *error_stash = !CBOR_SLOW || types_error_stash |
|
|
426 | ? types_error_stash |
|
|
427 | : gv_stashpv ("Types::Serialiser::Error", 1); |
267 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
428 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
268 | ? cbor_tagged_stash |
429 | ? cbor_tagged_stash |
269 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
430 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
270 | |
431 | |
|
|
432 | HV *stash = SvSTASH (sv); |
|
|
433 | |
271 | if (SvSTASH (sv) == boolean_stash) |
434 | if (stash == boolean_stash) |
272 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
435 | { |
|
|
436 | encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
|
|
437 | return; |
|
|
438 | } |
|
|
439 | else if (stash == error_stash) |
|
|
440 | { |
|
|
441 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
|
|
442 | return; |
|
|
443 | } |
273 | else if (SvSTASH (sv) == tagged_stash) |
444 | else if (stash == tagged_stash) |
274 | { |
445 | { |
275 | if (svt != SVt_PVAV) |
446 | if (svt != SVt_PVAV) |
276 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
447 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
277 | |
448 | |
278 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
449 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
279 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
450 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
451 | |
|
|
452 | return; |
|
|
453 | } |
|
|
454 | } |
|
|
455 | |
|
|
456 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
|
|
457 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
|
|
458 | { |
|
|
459 | if (ecb_expect_false (!enc->shareable)) |
|
|
460 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
461 | |
|
|
462 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
463 | |
|
|
464 | if (SvOK (*svp)) |
|
|
465 | { |
|
|
466 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
467 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
|
|
468 | return; |
280 | } |
469 | } |
281 | else |
470 | else |
282 | { |
471 | { |
|
|
472 | sv_setuv (*svp, enc->shareable_idx); |
|
|
473 | ++enc->shareable_idx; |
|
|
474 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
475 | } |
|
|
476 | } |
|
|
477 | |
|
|
478 | if (ecb_expect_false (SvOBJECT (sv))) |
|
|
479 | { |
|
|
480 | HV *stash = SvSTASH (sv); |
|
|
481 | GV *method; |
|
|
482 | |
|
|
483 | if (enc->cbor.flags & F_FORBID_OBJECTS) |
|
|
484 | croak ("encountered object '%s', but forbid_objects is enabled", |
|
|
485 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
486 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
|
|
487 | { |
|
|
488 | dSP; |
|
|
489 | |
|
|
490 | ENTER; SAVETMPS; |
|
|
491 | PUSHMARK (SP); |
283 | // we re-bless the reference to get overload and other niceties right |
492 | // we re-bless the reference to get overload and other niceties right |
284 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
|
|
285 | |
|
|
286 | if (to_cbor) |
|
|
287 | { |
|
|
288 | dSP; |
|
|
289 | |
|
|
290 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
291 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
493 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
292 | |
494 | |
293 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
294 | PUTBACK; |
495 | PUTBACK; |
|
|
496 | // G_SCALAR ensures that return value is 1 |
295 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
497 | call_sv ((SV *)GvCV (method), G_SCALAR); |
296 | SPAGAIN; |
498 | SPAGAIN; |
297 | |
499 | |
298 | // catch this surprisingly common error |
500 | // catch this surprisingly common error |
299 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
501 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
300 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
502 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
301 | |
503 | |
302 | sv = POPs; |
504 | encode_sv (enc, POPs); |
|
|
505 | |
303 | PUTBACK; |
506 | PUTBACK; |
304 | |
507 | |
305 | encode_sv (enc, sv); |
|
|
306 | |
|
|
307 | FREETMPS; LEAVE; |
508 | FREETMPS; LEAVE; |
|
|
509 | } |
|
|
510 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
|
|
511 | { |
|
|
512 | dSP; |
|
|
513 | |
|
|
514 | ENTER; SAVETMPS; |
|
|
515 | PUSHMARK (SP); |
|
|
516 | EXTEND (SP, 2); |
|
|
517 | // we re-bless the reference to get overload and other niceties right |
|
|
518 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
519 | PUSHs (sv_cbor); |
|
|
520 | |
|
|
521 | PUTBACK; |
|
|
522 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
523 | SPAGAIN; |
|
|
524 | |
|
|
525 | // catch this surprisingly common error |
|
|
526 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
527 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
|
|
528 | |
|
|
529 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
|
|
530 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
|
|
531 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
|
|
532 | |
|
|
533 | { |
|
|
534 | int i; |
|
|
535 | |
|
|
536 | for (i = 0; i < count; ++i) |
|
|
537 | encode_sv (enc, SP[i + 1 - count]); |
|
|
538 | |
|
|
539 | SP -= count; |
308 | } |
540 | } |
|
|
541 | |
|
|
542 | PUTBACK; |
|
|
543 | |
|
|
544 | FREETMPS; LEAVE; |
|
|
545 | } |
309 | else |
546 | else |
310 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
547 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
311 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
548 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
312 | } |
|
|
313 | } |
549 | } |
314 | else if (svt == SVt_PVHV) |
550 | else if (svt == SVt_PVHV) |
315 | encode_hv (enc, (HV *)sv); |
551 | encode_hv (enc, (HV *)sv); |
316 | else if (svt == SVt_PVAV) |
552 | else if (svt == SVt_PVAV) |
317 | encode_av (enc, (AV *)sv); |
553 | encode_av (enc, (AV *)sv); |
318 | else if (svt < SVt_PVAV) |
|
|
319 | { |
|
|
320 | STRLEN len = 0; |
|
|
321 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
322 | |
|
|
323 | if (len == 1 && *pv == '1') |
|
|
324 | encode_ch (enc, 0xe0 | 21); |
|
|
325 | else if (len == 1 && *pv == '0') |
|
|
326 | encode_ch (enc, 0xe0 | 20); |
|
|
327 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
328 | encode_ch (enc, 0xe0 | 23); |
|
|
329 | else |
|
|
330 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
|
331 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
332 | } |
|
|
333 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
334 | encode_ch (enc, 0xe0 | 23); |
|
|
335 | else |
554 | else |
336 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
555 | { |
337 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
556 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
557 | encode_sv (enc, sv); |
|
|
558 | } |
338 | } |
559 | } |
339 | |
560 | |
340 | static void |
561 | static void |
341 | encode_nv (enc_t *enc, SV *sv) |
562 | encode_nv (enc_t *enc, SV *sv) |
342 | { |
563 | { |
343 | double nv = SvNVX (sv); |
564 | double nv = SvNVX (sv); |
344 | |
565 | |
345 | need (enc, 9); |
566 | need (enc, 9); |
346 | |
567 | |
347 | if (ecb_expect_false (nv == (U32)nv)) |
568 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
348 | encode_uint (enc, 0x00, (U32)nv); |
569 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
349 | //TODO: maybe I32? |
570 | //TODO: maybe I32? |
350 | else if (ecb_expect_false (nv == (float)nv)) |
571 | else if (ecb_expect_false (nv == (float)nv)) |
351 | { |
572 | { |
|
|
573 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
574 | |
352 | uint32_t fp = ecb_float_to_binary32 (nv); |
575 | uint32_t fp = ecb_float_to_binary32 (nv); |
353 | |
|
|
354 | *enc->cur++ = 0xe0 | 26; |
|
|
355 | |
576 | |
356 | if (!ecb_big_endian ()) |
577 | if (!ecb_big_endian ()) |
357 | fp = ecb_bswap32 (fp); |
578 | fp = ecb_bswap32 (fp); |
358 | |
579 | |
359 | memcpy (enc->cur, &fp, 4); |
580 | memcpy (enc->cur, &fp, 4); |
360 | enc->cur += 4; |
581 | enc->cur += 4; |
361 | } |
582 | } |
362 | else |
583 | else |
363 | { |
584 | { |
|
|
585 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
586 | |
364 | uint64_t fp = ecb_double_to_binary64 (nv); |
587 | uint64_t fp = ecb_double_to_binary64 (nv); |
365 | |
|
|
366 | *enc->cur++ = 0xe0 | 27; |
|
|
367 | |
588 | |
368 | if (!ecb_big_endian ()) |
589 | if (!ecb_big_endian ()) |
369 | fp = ecb_bswap64 (fp); |
590 | fp = ecb_bswap64 (fp); |
370 | |
591 | |
371 | memcpy (enc->cur, &fp, 8); |
592 | memcpy (enc->cur, &fp, 8); |
… | |
… | |
380 | |
601 | |
381 | if (SvPOKp (sv)) |
602 | if (SvPOKp (sv)) |
382 | { |
603 | { |
383 | STRLEN len; |
604 | STRLEN len; |
384 | char *str = SvPV (sv, len); |
605 | char *str = SvPV (sv, len); |
385 | encode_str (enc, SvUTF8 (sv), str, len); |
606 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
386 | } |
607 | } |
387 | else if (SvNOKp (sv)) |
608 | else if (SvNOKp (sv)) |
388 | encode_nv (enc, sv); |
609 | encode_nv (enc, sv); |
389 | else if (SvIOKp (sv)) |
610 | else if (SvIOKp (sv)) |
390 | { |
611 | { |
391 | if (SvIsUV (sv)) |
612 | if (SvIsUV (sv)) |
392 | encode_uint (enc, 0x00, SvUVX (sv)); |
613 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
393 | else if (SvIVX (sv) >= 0) |
614 | else if (SvIVX (sv) >= 0) |
394 | encode_uint (enc, 0x00, SvIVX (sv)); |
615 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
395 | else |
616 | else |
396 | encode_uint (enc, 0x20, -(SvIVX (sv) + 1)); |
617 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
397 | } |
618 | } |
398 | else if (SvROK (sv)) |
619 | else if (SvROK (sv)) |
399 | encode_rv (enc, SvRV (sv)); |
620 | encode_rv (enc, SvRV (sv)); |
400 | else if (!SvOK (sv)) |
621 | else if (!SvOK (sv)) |
401 | encode_ch (enc, 0xe0 | 22); |
622 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
402 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
623 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
403 | encode_ch (enc, 0xe0 | 23); |
624 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
404 | else |
625 | else |
405 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
626 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
406 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
627 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
407 | } |
628 | } |
408 | |
629 | |
409 | static SV * |
630 | static SV * |
410 | encode_cbor (SV *scalar, CBOR *cbor) |
631 | encode_cbor (SV *scalar, CBOR *cbor) |
411 | { |
632 | { |
412 | enc_t enc; |
633 | enc_t enc = { 0 }; |
413 | |
634 | |
414 | enc.cbor = *cbor; |
635 | enc.cbor = *cbor; |
415 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
636 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
416 | enc.cur = SvPVX (enc.sv); |
637 | enc.cur = SvPVX (enc.sv); |
417 | enc.end = SvEND (enc.sv); |
638 | enc.end = SvEND (enc.sv); |
418 | enc.depth = 0; |
|
|
419 | |
639 | |
420 | SvPOK_only (enc.sv); |
640 | SvPOK_only (enc.sv); |
|
|
641 | |
|
|
642 | if (cbor->flags & F_PACK_STRINGS) |
|
|
643 | { |
|
|
644 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
645 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
646 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
647 | } |
|
|
648 | |
421 | encode_sv (&enc, scalar); |
649 | encode_sv (&enc, scalar); |
422 | |
650 | |
423 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
651 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
424 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
652 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
425 | |
653 | |
… | |
… | |
439 | U8 *end; // end of input string |
667 | U8 *end; // end of input string |
440 | const char *err; // parse error, if != 0 |
668 | const char *err; // parse error, if != 0 |
441 | CBOR cbor; |
669 | CBOR cbor; |
442 | U32 depth; // recursion depth |
670 | U32 depth; // recursion depth |
443 | U32 maxdepth; // recursion depth limit |
671 | U32 maxdepth; // recursion depth limit |
|
|
672 | AV *shareable; |
|
|
673 | AV *stringref; |
|
|
674 | SV *decode_tagged; |
|
|
675 | SV *err_sv; // optional sv for error, needs to be freed |
444 | } dec_t; |
676 | } dec_t; |
445 | |
677 | |
446 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
678 | // set dec->err to ERRSV |
|
|
679 | ecb_cold static void |
|
|
680 | err_errsv (dec_t *dec) |
|
|
681 | { |
|
|
682 | if (!dec->err) |
|
|
683 | { |
|
|
684 | dec->err_sv = newSVsv (ERRSV); |
447 | |
685 | |
448 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
686 | // chop off the trailing \n |
|
|
687 | SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1); |
|
|
688 | *SvEND (dec->err_sv) = 0; |
449 | |
689 | |
|
|
690 | dec->err = SvPVutf8_nolen (dec->err_sv); |
|
|
691 | } |
|
|
692 | } |
|
|
693 | |
|
|
694 | // the following functions are used to reduce code size and help the compiler to optimise |
|
|
695 | ecb_cold static void |
|
|
696 | err_set (dec_t *dec, const char *reason) |
|
|
697 | { |
|
|
698 | if (!dec->err) |
|
|
699 | dec->err = reason; |
|
|
700 | } |
|
|
701 | |
|
|
702 | ecb_cold static void |
|
|
703 | err_unexpected_end (dec_t *dec) |
|
|
704 | { |
|
|
705 | err_set (dec, "unexpected end of CBOR data"); |
|
|
706 | } |
|
|
707 | |
|
|
708 | #define ERR_DO(do) SB do; goto fail; SE |
|
|
709 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
|
|
710 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
|
|
711 | |
|
|
712 | #define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec)) |
|
|
713 | |
450 | #define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) |
714 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
451 | #define DEC_DEC_DEPTH --dec->depth |
715 | #define DEC_DEC_DEPTH --dec->depth |
452 | |
716 | |
453 | static UV |
717 | static UV |
454 | decode_uint (dec_t *dec) |
718 | decode_uint (dec_t *dec) |
455 | { |
719 | { |
456 | switch (*dec->cur & 31) |
720 | U8 m = *dec->cur & MINOR_MASK; |
457 | { |
721 | ++dec->cur; |
458 | case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: |
|
|
459 | case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: |
|
|
460 | case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: |
|
|
461 | return *dec->cur++ & 31; |
|
|
462 | |
722 | |
463 | case 24: |
723 | if (ecb_expect_true (m < LENGTH_EXT1)) |
|
|
724 | return m; |
|
|
725 | else if (ecb_expect_true (m == LENGTH_EXT1)) |
|
|
726 | { |
464 | WANT (2); |
727 | WANT (1); |
465 | dec->cur += 2; |
728 | dec->cur += 1; |
466 | return dec->cur[-1]; |
729 | return dec->cur[-1]; |
467 | |
730 | } |
468 | case 25: |
731 | else if (ecb_expect_true (m == LENGTH_EXT2)) |
|
|
732 | { |
469 | WANT (3); |
733 | WANT (2); |
470 | dec->cur += 3; |
734 | dec->cur += 2; |
471 | return (((UV)dec->cur[-2]) << 8) |
735 | return (((UV)dec->cur[-2]) << 8) |
472 | | ((UV)dec->cur[-1]); |
736 | | ((UV)dec->cur[-1]); |
473 | |
737 | } |
474 | case 26: |
738 | else if (ecb_expect_true (m == LENGTH_EXT4)) |
|
|
739 | { |
475 | WANT (5); |
740 | WANT (4); |
476 | dec->cur += 5; |
741 | dec->cur += 4; |
477 | return (((UV)dec->cur[-4]) << 24) |
742 | return (((UV)dec->cur[-4]) << 24) |
478 | | (((UV)dec->cur[-3]) << 16) |
743 | | (((UV)dec->cur[-3]) << 16) |
479 | | (((UV)dec->cur[-2]) << 8) |
744 | | (((UV)dec->cur[-2]) << 8) |
480 | | ((UV)dec->cur[-1]); |
745 | | ((UV)dec->cur[-1]); |
481 | |
746 | } |
482 | case 27: |
747 | else if (ecb_expect_true (m == LENGTH_EXT8)) |
|
|
748 | { |
483 | WANT (9); |
749 | WANT (8); |
484 | dec->cur += 9; |
750 | dec->cur += 8; |
|
|
751 | |
|
|
752 | return |
|
|
753 | #if UVSIZE < 8 |
|
|
754 | 0 |
|
|
755 | #else |
485 | return (((UV)dec->cur[-8]) << 56) |
756 | (((UV)dec->cur[-8]) << 56) |
486 | | (((UV)dec->cur[-7]) << 48) |
757 | | (((UV)dec->cur[-7]) << 48) |
487 | | (((UV)dec->cur[-6]) << 40) |
758 | | (((UV)dec->cur[-6]) << 40) |
488 | | (((UV)dec->cur[-5]) << 32) |
759 | | (((UV)dec->cur[-5]) << 32) |
|
|
760 | #endif |
489 | | (((UV)dec->cur[-4]) << 24) |
761 | | (((UV)dec->cur[-4]) << 24) |
490 | | (((UV)dec->cur[-3]) << 16) |
762 | | (((UV)dec->cur[-3]) << 16) |
491 | | (((UV)dec->cur[-2]) << 8) |
763 | | (((UV)dec->cur[-2]) << 8) |
492 | | ((UV)dec->cur[-1]); |
764 | | ((UV)dec->cur[-1]); |
493 | |
765 | } |
494 | default: |
766 | else |
495 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
767 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
496 | } |
|
|
497 | |
768 | |
498 | fail: |
769 | fail: |
499 | return 0; |
770 | return 0; |
500 | } |
771 | } |
501 | |
772 | |
… | |
… | |
506 | { |
777 | { |
507 | AV *av = newAV (); |
778 | AV *av = newAV (); |
508 | |
779 | |
509 | DEC_INC_DEPTH; |
780 | DEC_INC_DEPTH; |
510 | |
781 | |
511 | if ((*dec->cur & 31) == 31) |
782 | if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF)) |
512 | { |
783 | { |
513 | ++dec->cur; |
784 | ++dec->cur; |
514 | |
785 | |
515 | for (;;) |
786 | for (;;) |
516 | { |
787 | { |
517 | WANT (1); |
788 | WANT (1); |
518 | |
789 | |
519 | if (*dec->cur == (0xe0 | 31)) |
790 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
520 | { |
791 | { |
521 | ++dec->cur; |
792 | ++dec->cur; |
522 | break; |
793 | break; |
523 | } |
794 | } |
524 | |
795 | |
525 | av_push (av, decode_sv (dec)); |
796 | av_push (av, decode_sv (dec)); |
526 | } |
797 | } |
527 | } |
798 | } |
528 | else |
799 | else |
529 | { |
800 | { |
530 | int i, len = decode_uint (dec); |
801 | UV i, len = decode_uint (dec); |
531 | |
802 | |
|
|
803 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
532 | av_fill (av, len - 1); |
804 | av_fill (av, len - 1); |
533 | |
805 | |
534 | for (i = 0; i < len; ++i) |
806 | for (i = 0; i < len; ++i) |
535 | AvARRAY (av)[i] = decode_sv (dec); |
807 | AvARRAY (av)[i] = decode_sv (dec); |
536 | } |
808 | } |
537 | |
809 | |
538 | DEC_DEC_DEPTH; |
810 | DEC_DEC_DEPTH; |
539 | return newRV_noinc ((SV *)av); |
811 | return newRV_noinc ((SV *)av); |
540 | |
812 | |
541 | fail: |
813 | fail: |
542 | SvREFCNT_dec (av); |
814 | SvREFCNT_dec_NN (av); |
543 | DEC_DEC_DEPTH; |
815 | DEC_DEC_DEPTH; |
544 | return &PL_sv_undef; |
816 | return &PL_sv_undef; |
545 | } |
817 | } |
546 | |
818 | |
|
|
819 | static void |
|
|
820 | decode_he (dec_t *dec, HV *hv) |
|
|
821 | { |
|
|
822 | // for speed reasons, we specialcase single-string |
|
|
823 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
824 | |
|
|
825 | if (ecb_expect_true (!dec->stringref)) |
|
|
826 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
|
|
827 | { |
|
|
828 | STRLEN len = decode_uint (dec); |
|
|
829 | char *key = (char *)dec->cur; |
|
|
830 | |
|
|
831 | WANT (len); |
|
|
832 | dec->cur += len; |
|
|
833 | |
|
|
834 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
835 | |
|
|
836 | return; |
|
|
837 | } |
|
|
838 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
|
|
839 | { |
|
|
840 | STRLEN len = decode_uint (dec); |
|
|
841 | char *key = (char *)dec->cur; |
|
|
842 | |
|
|
843 | WANT (len); |
|
|
844 | dec->cur += len; |
|
|
845 | |
|
|
846 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
847 | if (!is_utf8_string (key, len)) |
|
|
848 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
|
|
849 | |
|
|
850 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
851 | |
|
|
852 | return; |
|
|
853 | } |
|
|
854 | |
|
|
855 | SV *k = decode_sv (dec); |
|
|
856 | SV *v = decode_sv (dec); |
|
|
857 | |
|
|
858 | // we leak memory if uncaught exceptions are thrown by random magical |
|
|
859 | // methods, and this is hopefully the only place where it can happen, |
|
|
860 | // so if there is a chance of an exception, take the very slow path. |
|
|
861 | // since catching exceptions is "undocumented/internal/forbidden" by |
|
|
862 | // the new p5p powers, we need to call out to a perl function :/ |
|
|
863 | if (ecb_expect_false (SvAMAGIC (k))) |
|
|
864 | { |
|
|
865 | dSP; |
|
|
866 | |
|
|
867 | ENTER; SAVETMPS; |
|
|
868 | PUSHMARK (SP); |
|
|
869 | EXTEND (SP, 3); |
|
|
870 | PUSHs (sv_2mortal (newRV_inc ((SV *)hv))); |
|
|
871 | PUSHs (sv_2mortal (k)); |
|
|
872 | PUSHs (sv_2mortal (v)); |
|
|
873 | |
|
|
874 | PUTBACK; |
|
|
875 | call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL); |
|
|
876 | SPAGAIN; |
|
|
877 | |
|
|
878 | FREETMPS; LEAVE; |
|
|
879 | |
|
|
880 | if (SvTRUE (ERRSV)) |
|
|
881 | ERR_ERRSV; |
|
|
882 | |
|
|
883 | return; |
|
|
884 | } |
|
|
885 | |
|
|
886 | hv_store_ent (hv, k, v, 0); |
|
|
887 | SvREFCNT_dec_NN (k); |
|
|
888 | |
|
|
889 | fail: |
|
|
890 | ; |
|
|
891 | } |
|
|
892 | |
547 | static SV * |
893 | static SV * |
548 | decode_hv (dec_t *dec) |
894 | decode_hv (dec_t *dec) |
549 | { |
895 | { |
550 | HV *hv = newHV (); |
896 | HV *hv = newHV (); |
551 | |
897 | |
552 | DEC_INC_DEPTH; |
898 | DEC_INC_DEPTH; |
553 | |
899 | |
554 | if ((*dec->cur & 31) == 31) |
900 | if (*dec->cur == (MAJOR_MAP | MINOR_INDEF)) |
555 | { |
901 | { |
556 | ++dec->cur; |
902 | ++dec->cur; |
557 | |
903 | |
558 | for (;;) |
904 | for (;;) |
559 | { |
905 | { |
560 | WANT (1); |
906 | WANT (1); |
561 | |
907 | |
562 | if (*dec->cur == (0xe0 | 31)) |
908 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
563 | { |
909 | { |
564 | ++dec->cur; |
910 | ++dec->cur; |
565 | break; |
911 | break; |
566 | } |
912 | } |
567 | |
913 | |
568 | SV *k = decode_sv (dec); |
914 | decode_he (dec, hv); |
569 | SV *v = decode_sv (dec); |
|
|
570 | |
|
|
571 | hv_store_ent (hv, k, v, 0); |
|
|
572 | } |
915 | } |
573 | } |
916 | } |
574 | else |
917 | else |
575 | { |
918 | { |
576 | int len = decode_uint (dec); |
919 | UV pairs = decode_uint (dec); |
577 | |
920 | |
|
|
921 | WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes |
|
|
922 | |
578 | while (len--) |
923 | while (pairs--) |
579 | { |
924 | decode_he (dec, hv); |
580 | SV *k = decode_sv (dec); |
|
|
581 | SV *v = decode_sv (dec); |
|
|
582 | |
|
|
583 | hv_store_ent (hv, k, v, 0); |
|
|
584 | } |
|
|
585 | } |
925 | } |
586 | |
926 | |
587 | DEC_DEC_DEPTH; |
927 | DEC_DEC_DEPTH; |
588 | return newRV_noinc ((SV *)hv); |
928 | return newRV_noinc ((SV *)hv); |
589 | |
929 | |
590 | fail: |
930 | fail: |
591 | SvREFCNT_dec (hv); |
931 | SvREFCNT_dec_NN (hv); |
592 | DEC_DEC_DEPTH; |
932 | DEC_DEC_DEPTH; |
593 | return &PL_sv_undef; |
933 | return &PL_sv_undef; |
594 | } |
934 | } |
595 | |
935 | |
596 | static SV * |
936 | static SV * |
597 | decode_str (dec_t *dec, int utf8) |
937 | decode_str (dec_t *dec, int utf8) |
598 | { |
938 | { |
599 | SV *sv = 0; |
939 | SV *sv = 0; |
600 | |
940 | |
601 | if ((*dec->cur & 31) == 31) |
941 | if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF)) |
602 | { |
942 | { |
|
|
943 | // indefinite length strings |
603 | ++dec->cur; |
944 | ++dec->cur; |
604 | |
945 | |
|
|
946 | U8 major = *dec->cur & MAJOR_MISC; |
|
|
947 | |
605 | sv = newSVpvn ("", 0); |
948 | sv = newSVpvn ("", 0); |
606 | |
949 | |
607 | // not very fast, and certainly not robust against illegal input |
|
|
608 | for (;;) |
950 | for (;;) |
609 | { |
951 | { |
610 | WANT (1); |
952 | WANT (1); |
611 | |
953 | |
612 | if (*dec->cur == (0xe0 | 31)) |
954 | if ((*dec->cur - major) > LENGTH_EXT8) |
|
|
955 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
613 | { |
956 | { |
614 | ++dec->cur; |
957 | ++dec->cur; |
615 | break; |
958 | break; |
616 | } |
959 | } |
|
|
960 | else |
|
|
961 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
617 | |
962 | |
618 | sv_catsv (sv, decode_sv (dec)); |
963 | STRLEN len = decode_uint (dec); |
|
|
964 | |
|
|
965 | WANT (len); |
|
|
966 | sv_catpvn (sv, dec->cur, len); |
|
|
967 | dec->cur += len; |
619 | } |
968 | } |
620 | } |
969 | } |
621 | else |
970 | else |
622 | { |
971 | { |
623 | STRLEN len = decode_uint (dec); |
972 | STRLEN len = decode_uint (dec); |
624 | |
973 | |
625 | WANT (len); |
974 | WANT (len); |
626 | sv = newSVpvn (dec->cur, len); |
975 | sv = newSVpvn (dec->cur, len); |
627 | dec->cur += len; |
976 | dec->cur += len; |
|
|
977 | |
|
|
978 | if (ecb_expect_false (dec->stringref) |
|
|
979 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
980 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
628 | } |
981 | } |
629 | |
982 | |
630 | if (utf8) |
983 | if (utf8) |
|
|
984 | { |
|
|
985 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
986 | if (!is_utf8_string (SvPVX (sv), SvCUR (sv))) |
|
|
987 | ERR ("corrupted CBOR data (invalid UTF-8 in text string)"); |
|
|
988 | |
631 | SvUTF8_on (sv); |
989 | SvUTF8_on (sv); |
|
|
990 | } |
632 | |
991 | |
633 | return sv; |
992 | return sv; |
634 | |
993 | |
635 | fail: |
994 | fail: |
636 | SvREFCNT_dec (sv); |
995 | SvREFCNT_dec (sv); |
… | |
… | |
638 | } |
997 | } |
639 | |
998 | |
640 | static SV * |
999 | static SV * |
641 | decode_tagged (dec_t *dec) |
1000 | decode_tagged (dec_t *dec) |
642 | { |
1001 | { |
|
|
1002 | SV *sv = 0; |
643 | UV tag = decode_uint (dec); |
1003 | UV tag = decode_uint (dec); |
|
|
1004 | |
|
|
1005 | WANT (1); |
|
|
1006 | |
|
|
1007 | switch (tag) |
|
|
1008 | { |
|
|
1009 | case CBOR_TAG_MAGIC: |
644 | SV *sv = decode_sv (dec); |
1010 | sv = decode_sv (dec); |
|
|
1011 | break; |
645 | |
1012 | |
646 | if (tag == CBOR_TAG_MAGIC) |
1013 | case CBOR_TAG_INDIRECTION: |
647 | return sv; |
1014 | sv = newRV_noinc (decode_sv (dec)); |
|
|
1015 | break; |
648 | |
1016 | |
649 | if (tag == CBOR_TAG_PERL_OBJECT) |
1017 | case CBOR_TAG_STRINGREF_NAMESPACE: |
650 | { |
1018 | { |
|
|
1019 | // do not use SAVETMPS/FREETMPS, as these will |
|
|
1020 | // erase mortalised caches, e.g. "shareable" |
|
|
1021 | ENTER; |
|
|
1022 | |
|
|
1023 | SAVESPTR (dec->stringref); |
|
|
1024 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
1025 | |
|
|
1026 | sv = decode_sv (dec); |
|
|
1027 | |
|
|
1028 | LEAVE; |
|
|
1029 | } |
|
|
1030 | break; |
|
|
1031 | |
|
|
1032 | case CBOR_TAG_STRINGREF: |
|
|
1033 | { |
|
|
1034 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
1035 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
1036 | |
|
|
1037 | UV idx = decode_uint (dec); |
|
|
1038 | |
|
|
1039 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
|
|
1040 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
1041 | |
|
|
1042 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
1043 | } |
|
|
1044 | break; |
|
|
1045 | |
|
|
1046 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
1047 | { |
|
|
1048 | if (ecb_expect_false (!dec->shareable)) |
|
|
1049 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
1050 | |
|
|
1051 | if (dec->cbor.flags & F_ALLOW_CYCLES) |
|
|
1052 | { |
|
|
1053 | sv = newSV (0); |
|
|
1054 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
1055 | |
|
|
1056 | SV *osv = decode_sv (dec); |
|
|
1057 | sv_setsv (sv, osv); |
|
|
1058 | SvREFCNT_dec_NN (osv); |
|
|
1059 | } |
|
|
1060 | else |
|
|
1061 | { |
|
|
1062 | av_push (dec->shareable, &PL_sv_undef); |
|
|
1063 | int idx = AvFILLp (dec->shareable); |
|
|
1064 | sv = decode_sv (dec); |
|
|
1065 | av_store (dec->shareable, idx, SvREFCNT_inc_NN (sv)); |
|
|
1066 | } |
|
|
1067 | } |
|
|
1068 | break; |
|
|
1069 | |
|
|
1070 | case CBOR_TAG_VALUE_SHAREDREF: |
|
|
1071 | { |
|
|
1072 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
1073 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
|
|
1074 | |
|
|
1075 | UV idx = decode_uint (dec); |
|
|
1076 | |
|
|
1077 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
|
|
1078 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
1079 | |
|
|
1080 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
1081 | |
|
|
1082 | if (sv == &PL_sv_undef) |
|
|
1083 | ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled"); |
|
|
1084 | } |
|
|
1085 | break; |
|
|
1086 | |
|
|
1087 | case CBOR_TAG_PERL_OBJECT: |
|
|
1088 | { |
|
|
1089 | if (dec->cbor.flags & F_FORBID_OBJECTS) |
|
|
1090 | goto filter; |
|
|
1091 | |
|
|
1092 | sv = decode_sv (dec); |
|
|
1093 | |
651 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
1094 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
652 | ERR ("corrupted CBOR data (non-array perl object)"); |
1095 | ERR ("corrupted CBOR data (non-array perl object)"); |
|
|
1096 | |
|
|
1097 | AV *av = (AV *)SvRV (sv); |
|
|
1098 | int len = av_len (av) + 1; |
|
|
1099 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
1100 | |
|
|
1101 | if (!stash) |
|
|
1102 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1103 | |
|
|
1104 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1105 | |
|
|
1106 | if (!method) |
|
|
1107 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1108 | |
|
|
1109 | dSP; |
|
|
1110 | |
|
|
1111 | ENTER; SAVETMPS; |
|
|
1112 | PUSHMARK (SP); |
|
|
1113 | EXTEND (SP, len + 1); |
|
|
1114 | // we re-bless the reference to get overload and other niceties right |
|
|
1115 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
1116 | PUSHs (sv_cbor); |
|
|
1117 | |
|
|
1118 | int i; |
|
|
1119 | |
|
|
1120 | for (i = 1; i < len; ++i) |
|
|
1121 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1122 | |
|
|
1123 | PUTBACK; |
|
|
1124 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
1125 | SPAGAIN; |
|
|
1126 | |
|
|
1127 | if (SvTRUE (ERRSV)) |
|
|
1128 | { |
|
|
1129 | FREETMPS; LEAVE; |
|
|
1130 | ERR_ERRSV; |
|
|
1131 | } |
|
|
1132 | |
|
|
1133 | SvREFCNT_dec_NN (sv); |
|
|
1134 | sv = SvREFCNT_inc (POPs); |
|
|
1135 | |
|
|
1136 | PUTBACK; |
|
|
1137 | |
|
|
1138 | FREETMPS; LEAVE; |
653 | |
1139 | } |
654 | // TODO |
1140 | break; |
655 | } |
|
|
656 | |
1141 | |
|
|
1142 | default: |
|
|
1143 | filter: |
|
|
1144 | { |
|
|
1145 | SV *tag_sv = newSVuv (tag); |
|
|
1146 | |
|
|
1147 | sv = decode_sv (dec); |
|
|
1148 | |
|
|
1149 | dSP; |
|
|
1150 | ENTER; SAVETMPS; |
|
|
1151 | PUSHMARK (SP); |
|
|
1152 | EXTEND (SP, 2); |
|
|
1153 | PUSHs (tag_sv); |
|
|
1154 | PUSHs (sv); |
|
|
1155 | |
|
|
1156 | PUTBACK; |
|
|
1157 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
1158 | SPAGAIN; |
|
|
1159 | |
|
|
1160 | if (SvTRUE (ERRSV)) |
|
|
1161 | { |
|
|
1162 | SvREFCNT_dec_NN (tag_sv); |
|
|
1163 | FREETMPS; LEAVE; |
|
|
1164 | ERR_ERRSV; |
|
|
1165 | } |
|
|
1166 | |
|
|
1167 | if (count) |
|
|
1168 | { |
|
|
1169 | SvREFCNT_dec_NN (tag_sv); |
|
|
1170 | SvREFCNT_dec_NN (sv); |
|
|
1171 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1172 | SP -= count; |
|
|
1173 | } |
|
|
1174 | else |
|
|
1175 | { |
657 | AV *av = newAV (); |
1176 | AV *av = newAV (); |
658 | av_push (av, newSVuv (tag)); |
1177 | av_push (av, tag_sv); |
659 | av_push (av, sv); |
1178 | av_push (av, sv); |
660 | |
1179 | |
661 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1180 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
662 | ? cbor_tagged_stash |
1181 | ? cbor_tagged_stash |
663 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
1182 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
664 | |
|
|
665 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
1183 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
1184 | } |
|
|
1185 | |
|
|
1186 | PUTBACK; |
|
|
1187 | |
|
|
1188 | FREETMPS; LEAVE; |
|
|
1189 | } |
|
|
1190 | break; |
|
|
1191 | } |
|
|
1192 | |
|
|
1193 | return sv; |
666 | |
1194 | |
667 | fail: |
1195 | fail: |
668 | SvREFCNT_dec (sv); |
1196 | SvREFCNT_dec (sv); |
669 | return &PL_sv_undef; |
1197 | return &PL_sv_undef; |
670 | } |
1198 | } |
… | |
… | |
672 | static SV * |
1200 | static SV * |
673 | decode_sv (dec_t *dec) |
1201 | decode_sv (dec_t *dec) |
674 | { |
1202 | { |
675 | WANT (1); |
1203 | WANT (1); |
676 | |
1204 | |
677 | switch (*dec->cur >> 5) |
1205 | switch (*dec->cur >> MAJOR_SHIFT) |
678 | { |
1206 | { |
679 | case 0: // unsigned int |
1207 | case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec)); |
680 | return newSVuv (decode_uint (dec)); |
1208 | case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec)); |
681 | case 1: // negative int |
1209 | case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0); |
682 | return newSViv (-1 - (IV)decode_uint (dec)); |
1210 | case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1); |
683 | case 2: // octet string |
1211 | case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec); |
684 | return decode_str (dec, 0); |
1212 | case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec); |
685 | case 3: // utf-8 string |
1213 | case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec); |
686 | return decode_str (dec, 1); |
1214 | |
687 | case 4: // array |
1215 | case MAJOR_MISC >> MAJOR_SHIFT: |
688 | return decode_av (dec); |
|
|
689 | case 5: // map |
|
|
690 | return decode_hv (dec); |
|
|
691 | case 6: // tag |
|
|
692 | return decode_tagged (dec); |
|
|
693 | case 7: // misc |
|
|
694 | switch (*dec->cur++ & 31) |
1216 | switch (*dec->cur++ & MINOR_MASK) |
695 | { |
1217 | { |
696 | case 20: |
1218 | case SIMPLE_FALSE: |
697 | #if CBOR_SLOW |
1219 | #if CBOR_SLOW |
698 | cbor_false = get_bool ("CBOR::XS::false"); |
1220 | types_false = get_bool ("Types::Serialiser::false"); |
699 | #endif |
1221 | #endif |
700 | return newSVsv (cbor_false); |
1222 | return newSVsv (types_false); |
701 | case 21: |
1223 | case SIMPLE_TRUE: |
702 | #if CBOR_SLOW |
1224 | #if CBOR_SLOW |
703 | cbor_true = get_bool ("CBOR::XS::true"); |
1225 | types_true = get_bool ("Types::Serialiser::true"); |
704 | #endif |
1226 | #endif |
705 | return newSVsv (cbor_true); |
1227 | return newSVsv (types_true); |
706 | case 22: |
1228 | case SIMPLE_NULL: |
707 | return newSVsv (&PL_sv_undef); |
1229 | return newSVsv (&PL_sv_undef); |
|
|
1230 | case SIMPLE_UNDEF: |
|
|
1231 | #if CBOR_SLOW |
|
|
1232 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1233 | #endif |
|
|
1234 | return newSVsv (types_error); |
708 | |
1235 | |
709 | case 25: |
1236 | case MISC_FLOAT16: |
710 | { |
1237 | { |
711 | WANT (2); |
1238 | WANT (2); |
712 | |
1239 | |
713 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
1240 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
714 | dec->cur += 2; |
1241 | dec->cur += 2; |
715 | |
1242 | |
716 | return newSVnv (ecb_binary16_to_float (fp)); |
1243 | return newSVnv (ecb_binary16_to_float (fp)); |
717 | } |
1244 | } |
718 | |
1245 | |
719 | case 26: |
1246 | case MISC_FLOAT32: |
720 | { |
1247 | { |
721 | uint32_t fp; |
1248 | uint32_t fp; |
722 | WANT (4); |
1249 | WANT (4); |
723 | memcpy (&fp, dec->cur, 4); |
1250 | memcpy (&fp, dec->cur, 4); |
724 | dec->cur += 4; |
1251 | dec->cur += 4; |
… | |
… | |
727 | fp = ecb_bswap32 (fp); |
1254 | fp = ecb_bswap32 (fp); |
728 | |
1255 | |
729 | return newSVnv (ecb_binary32_to_float (fp)); |
1256 | return newSVnv (ecb_binary32_to_float (fp)); |
730 | } |
1257 | } |
731 | |
1258 | |
732 | case 27: |
1259 | case MISC_FLOAT64: |
733 | { |
1260 | { |
734 | uint64_t fp; |
1261 | uint64_t fp; |
735 | WANT (8); |
1262 | WANT (8); |
736 | memcpy (&fp, dec->cur, 8); |
1263 | memcpy (&fp, dec->cur, 8); |
737 | dec->cur += 8; |
1264 | dec->cur += 8; |
… | |
… | |
740 | fp = ecb_bswap64 (fp); |
1267 | fp = ecb_bswap64 (fp); |
741 | |
1268 | |
742 | return newSVnv (ecb_binary64_to_double (fp)); |
1269 | return newSVnv (ecb_binary64_to_double (fp)); |
743 | } |
1270 | } |
744 | |
1271 | |
745 | // 0..19 unassigned |
1272 | // 0..19 unassigned simple |
746 | // 24 reserved + unassigned (reserved values are not encodable) |
1273 | // 24 reserved + unassigned simple (reserved values are not encodable) |
|
|
1274 | // 28-30 unassigned misc |
|
|
1275 | // 31 break code |
747 | default: |
1276 | default: |
748 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
1277 | ERR ("corrupted CBOR data (reserved/unassigned/unexpected major 7 value)"); |
749 | } |
1278 | } |
750 | |
1279 | |
751 | break; |
1280 | break; |
752 | } |
1281 | } |
753 | |
1282 | |
… | |
… | |
756 | } |
1285 | } |
757 | |
1286 | |
758 | static SV * |
1287 | static SV * |
759 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1288 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
760 | { |
1289 | { |
761 | dec_t dec; |
1290 | dec_t dec = { 0 }; |
762 | SV *sv; |
1291 | SV *sv; |
|
|
1292 | STRLEN len; |
|
|
1293 | char *data = SvPVbyte (string, len); |
763 | |
1294 | |
764 | /* work around bugs in 5.10 where manipulating magic values |
|
|
765 | * makes perl ignore the magic in subsequent accesses. |
|
|
766 | * also make a copy of non-PV values, to get them into a clean |
|
|
767 | * state (SvPV should do that, but it's buggy, see below). |
|
|
768 | */ |
|
|
769 | /*SvGETMAGIC (string);*/ |
|
|
770 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
771 | string = sv_2mortal (newSVsv (string)); |
|
|
772 | |
|
|
773 | SvUPGRADE (string, SVt_PV); |
|
|
774 | |
|
|
775 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
776 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
777 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
778 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
779 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
780 | * and hope for the best. |
|
|
781 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
782 | * assertion business is seriously broken, try yet another workaround |
|
|
783 | * for the broken -DDEBUGGING. |
|
|
784 | */ |
|
|
785 | { |
|
|
786 | #ifdef DEBUGGING |
|
|
787 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
788 | #else |
|
|
789 | STRLEN offset = SvCUR (string); |
|
|
790 | #endif |
|
|
791 | |
|
|
792 | if (offset > cbor->max_size && cbor->max_size) |
1295 | if (len > cbor->max_size && cbor->max_size) |
793 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1296 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
794 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1297 | (unsigned long)len, (unsigned long)cbor->max_size); |
795 | } |
|
|
796 | |
|
|
797 | sv_utf8_downgrade (string, 0); |
|
|
798 | |
1298 | |
799 | dec.cbor = *cbor; |
1299 | dec.cbor = *cbor; |
800 | dec.cur = (U8 *)SvPVX (string); |
1300 | dec.cur = (U8 *)data; |
801 | dec.end = (U8 *)SvEND (string); |
1301 | dec.end = (U8 *)data + len; |
802 | dec.err = 0; |
|
|
803 | dec.depth = 0; |
|
|
804 | |
1302 | |
805 | sv = decode_sv (&dec); |
1303 | sv = decode_sv (&dec); |
806 | |
1304 | |
807 | if (offset_return) |
1305 | if (offset_return) |
808 | *offset_return = dec.cur; |
1306 | *offset_return = dec.cur; |
… | |
… | |
811 | if (dec.cur != dec.end && !dec.err) |
1309 | if (dec.cur != dec.end && !dec.err) |
812 | dec.err = "garbage after CBOR object"; |
1310 | dec.err = "garbage after CBOR object"; |
813 | |
1311 | |
814 | if (dec.err) |
1312 | if (dec.err) |
815 | { |
1313 | { |
|
|
1314 | if (dec.shareable) |
|
|
1315 | { |
|
|
1316 | // need to break cyclic links, which would all be in shareable |
|
|
1317 | int i; |
|
|
1318 | SV **svp; |
|
|
1319 | |
|
|
1320 | for (i = av_len (dec.shareable) + 1; i--; ) |
|
|
1321 | if ((svp = av_fetch (dec.shareable, i, 0))) |
|
|
1322 | sv_setsv (*svp, &PL_sv_undef); |
|
|
1323 | } |
|
|
1324 | |
816 | SvREFCNT_dec (sv); |
1325 | SvREFCNT_dec_NN (sv); |
|
|
1326 | |
|
|
1327 | if (dec.err_sv) |
|
|
1328 | sv_2mortal (dec.err_sv); |
|
|
1329 | |
817 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1330 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
818 | } |
1331 | } |
819 | |
1332 | |
820 | sv = sv_2mortal (sv); |
1333 | sv = sv_2mortal (sv); |
821 | |
1334 | |
822 | return sv; |
1335 | return sv; |
823 | } |
1336 | } |
824 | |
1337 | |
|
|
1338 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1339 | // incremental parser |
|
|
1340 | |
|
|
1341 | #define INCR_DONE(cbor) (AvFILLp (cbor->incr_count) < 0) |
|
|
1342 | |
|
|
1343 | // returns 0 for notyet, 1 for success or error |
|
|
1344 | static int |
|
|
1345 | incr_parse (CBOR *self, SV *cborstr) |
|
|
1346 | { |
|
|
1347 | STRLEN cur; |
|
|
1348 | SvPV (cborstr, cur); |
|
|
1349 | |
|
|
1350 | while (ecb_expect_true (self->incr_need <= cur)) |
|
|
1351 | { |
|
|
1352 | // table of integer count bytes |
|
|
1353 | static I8 incr_len[MINOR_MASK + 1] = { |
|
|
1354 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1355 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1356 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1357 | 1, 2, 4, 8,-1,-1,-1,-2 |
|
|
1358 | }; |
|
|
1359 | |
|
|
1360 | const U8 *p = SvPVX (cborstr) + self->incr_pos; |
|
|
1361 | U8 m = *p & MINOR_MASK; |
|
|
1362 | IV count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1363 | I8 ilen = incr_len[m]; |
|
|
1364 | |
|
|
1365 | self->incr_need = self->incr_pos + 1; |
|
|
1366 | |
|
|
1367 | if (ecb_expect_false (ilen < 0)) |
|
|
1368 | { |
|
|
1369 | if (m != MINOR_INDEF) |
|
|
1370 | return 1; // error |
|
|
1371 | |
|
|
1372 | if (*p == (MAJOR_MISC | MINOR_INDEF)) |
|
|
1373 | { |
|
|
1374 | if (count >= 0) |
|
|
1375 | return 1; // error |
|
|
1376 | |
|
|
1377 | count = 1; |
|
|
1378 | } |
|
|
1379 | else |
|
|
1380 | { |
|
|
1381 | av_push (self->incr_count, newSViv (-1)); //TODO: nest |
|
|
1382 | count = -1; |
|
|
1383 | } |
|
|
1384 | } |
|
|
1385 | else |
|
|
1386 | { |
|
|
1387 | self->incr_need += ilen; |
|
|
1388 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1389 | return 0; |
|
|
1390 | |
|
|
1391 | int major = *p >> MAJOR_SHIFT; |
|
|
1392 | |
|
|
1393 | switch (major) |
|
|
1394 | { |
|
|
1395 | case MAJOR_TAG >> MAJOR_SHIFT: |
|
|
1396 | ++count; // tags merely prefix another value |
|
|
1397 | break; |
|
|
1398 | |
|
|
1399 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1400 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1401 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1402 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1403 | { |
|
|
1404 | UV len; |
|
|
1405 | |
|
|
1406 | if (ecb_expect_false (ilen)) |
|
|
1407 | { |
|
|
1408 | len = 0; |
|
|
1409 | |
|
|
1410 | do { |
|
|
1411 | len = (len << 8) | *++p; |
|
|
1412 | } while (--ilen); |
|
|
1413 | } |
|
|
1414 | else |
|
|
1415 | len = m; |
|
|
1416 | |
|
|
1417 | switch (major) |
|
|
1418 | { |
|
|
1419 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1420 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1421 | self->incr_need += len; |
|
|
1422 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1423 | return 0; |
|
|
1424 | |
|
|
1425 | break; |
|
|
1426 | |
|
|
1427 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1428 | len <<= 1; |
|
|
1429 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1430 | if (len) |
|
|
1431 | { |
|
|
1432 | av_push (self->incr_count, newSViv (len + 1)); //TODO: nest |
|
|
1433 | count = len + 1; |
|
|
1434 | } |
|
|
1435 | break; |
|
|
1436 | } |
|
|
1437 | } |
|
|
1438 | } |
|
|
1439 | } |
|
|
1440 | |
|
|
1441 | self->incr_pos = self->incr_need; |
|
|
1442 | |
|
|
1443 | if (count > 0) |
|
|
1444 | { |
|
|
1445 | while (!--count) |
|
|
1446 | { |
|
|
1447 | if (!AvFILLp (self->incr_count)) |
|
|
1448 | return 1; // done |
|
|
1449 | |
|
|
1450 | SvREFCNT_dec_NN (av_pop (self->incr_count)); |
|
|
1451 | count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1452 | } |
|
|
1453 | |
|
|
1454 | SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]) = count; |
|
|
1455 | } |
|
|
1456 | } |
|
|
1457 | |
|
|
1458 | return 0; |
|
|
1459 | } |
|
|
1460 | |
|
|
1461 | |
825 | ///////////////////////////////////////////////////////////////////////////// |
1462 | ///////////////////////////////////////////////////////////////////////////// |
826 | // XS interface functions |
1463 | // XS interface functions |
827 | |
1464 | |
828 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1465 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
829 | |
1466 | |
830 | BOOT: |
1467 | BOOT: |
831 | { |
1468 | { |
832 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
1469 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
833 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
|
|
834 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
1470 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
835 | |
1471 | |
836 | cbor_true = get_bool ("CBOR::XS::true"); |
1472 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
837 | cbor_false = get_bool ("CBOR::XS::false"); |
1473 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
1474 | |
|
|
1475 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
1476 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1477 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1478 | |
|
|
1479 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1480 | |
|
|
1481 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
1482 | SvREADONLY_on (sv_cbor); |
|
|
1483 | |
|
|
1484 | assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1)); |
838 | } |
1485 | } |
839 | |
1486 | |
840 | PROTOTYPES: DISABLE |
1487 | PROTOTYPES: DISABLE |
841 | |
1488 | |
842 | void CLONE (...) |
1489 | void CLONE (...) |
843 | CODE: |
1490 | CODE: |
844 | cbor_stash = 0; |
1491 | cbor_stash = 0; |
845 | cbor_boolean_stash = 0; |
|
|
846 | cbor_tagged_stash = 0; |
1492 | cbor_tagged_stash = 0; |
|
|
1493 | types_error_stash = 0; |
|
|
1494 | types_boolean_stash = 0; |
847 | |
1495 | |
848 | void new (char *klass) |
1496 | void new (char *klass) |
849 | PPCODE: |
1497 | PPCODE: |
850 | { |
1498 | { |
851 | SV *pv = NEWSV (0, sizeof (CBOR)); |
1499 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
859 | |
1507 | |
860 | void shrink (CBOR *self, int enable = 1) |
1508 | void shrink (CBOR *self, int enable = 1) |
861 | ALIAS: |
1509 | ALIAS: |
862 | shrink = F_SHRINK |
1510 | shrink = F_SHRINK |
863 | allow_unknown = F_ALLOW_UNKNOWN |
1511 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1512 | allow_sharing = F_ALLOW_SHARING |
|
|
1513 | allow_cycles = F_ALLOW_CYCLES |
|
|
1514 | forbid_objects = F_FORBID_OBJECTS |
|
|
1515 | pack_strings = F_PACK_STRINGS |
|
|
1516 | text_keys = F_TEXT_KEYS |
|
|
1517 | text_strings = F_TEXT_STRINGS |
|
|
1518 | validate_utf8 = F_VALIDATE_UTF8 |
864 | PPCODE: |
1519 | PPCODE: |
865 | { |
1520 | { |
866 | if (enable) |
1521 | if (enable) |
867 | self->flags |= ix; |
1522 | self->flags |= ix; |
868 | else |
1523 | else |
… | |
… | |
873 | |
1528 | |
874 | void get_shrink (CBOR *self) |
1529 | void get_shrink (CBOR *self) |
875 | ALIAS: |
1530 | ALIAS: |
876 | get_shrink = F_SHRINK |
1531 | get_shrink = F_SHRINK |
877 | get_allow_unknown = F_ALLOW_UNKNOWN |
1532 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1533 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1534 | get_allow_cycles = F_ALLOW_CYCLES |
|
|
1535 | get_forbid_objects = F_FORBID_OBJECTS |
|
|
1536 | get_pack_strings = F_PACK_STRINGS |
|
|
1537 | get_text_keys = F_TEXT_KEYS |
|
|
1538 | get_text_strings = F_TEXT_STRINGS |
|
|
1539 | get_validate_utf8 = F_VALIDATE_UTF8 |
878 | PPCODE: |
1540 | PPCODE: |
879 | XPUSHs (boolSV (self->flags & ix)); |
1541 | XPUSHs (boolSV (self->flags & ix)); |
880 | |
1542 | |
881 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1543 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
882 | PPCODE: |
1544 | PPCODE: |
… | |
… | |
898 | CODE: |
1560 | CODE: |
899 | RETVAL = self->max_size; |
1561 | RETVAL = self->max_size; |
900 | OUTPUT: |
1562 | OUTPUT: |
901 | RETVAL |
1563 | RETVAL |
902 | |
1564 | |
903 | #if 0 //TODO |
1565 | void filter (CBOR *self, SV *filter = 0) |
904 | |
|
|
905 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
906 | PPCODE: |
1566 | PPCODE: |
907 | { |
|
|
908 | SvREFCNT_dec (self->cb_object); |
1567 | SvREFCNT_dec (self->filter); |
909 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1568 | self->filter = filter ? newSVsv (filter) : filter; |
910 | |
|
|
911 | XPUSHs (ST (0)); |
1569 | XPUSHs (ST (0)); |
912 | } |
|
|
913 | |
1570 | |
914 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1571 | SV *get_filter (CBOR *self) |
915 | PPCODE: |
1572 | CODE: |
916 | { |
1573 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
917 | if (!self->cb_sk_object) |
1574 | OUTPUT: |
918 | self->cb_sk_object = newHV (); |
1575 | RETVAL |
919 | |
|
|
920 | if (SvOK (cb)) |
|
|
921 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
922 | else |
|
|
923 | { |
|
|
924 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
925 | |
|
|
926 | if (!HvKEYS (self->cb_sk_object)) |
|
|
927 | { |
|
|
928 | SvREFCNT_dec (self->cb_sk_object); |
|
|
929 | self->cb_sk_object = 0; |
|
|
930 | } |
|
|
931 | } |
|
|
932 | |
|
|
933 | XPUSHs (ST (0)); |
|
|
934 | } |
|
|
935 | |
|
|
936 | #endif |
|
|
937 | |
1576 | |
938 | void encode (CBOR *self, SV *scalar) |
1577 | void encode (CBOR *self, SV *scalar) |
939 | PPCODE: |
1578 | PPCODE: |
940 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1579 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
941 | XPUSHs (scalar); |
1580 | XPUSHs (scalar); |
… | |
… | |
954 | EXTEND (SP, 2); |
1593 | EXTEND (SP, 2); |
955 | PUSHs (sv); |
1594 | PUSHs (sv); |
956 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1595 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
957 | } |
1596 | } |
958 | |
1597 | |
959 | #if 0 |
1598 | void incr_parse (CBOR *self, SV *cborstr) |
|
|
1599 | ALIAS: |
|
|
1600 | incr_parse_multiple = 1 |
|
|
1601 | PPCODE: |
|
|
1602 | { |
|
|
1603 | if (SvUTF8 (cborstr)) |
|
|
1604 | sv_utf8_downgrade (cborstr, 0); |
|
|
1605 | |
|
|
1606 | if (!self->incr_count) |
|
|
1607 | { |
|
|
1608 | self->incr_count = newAV (); |
|
|
1609 | self->incr_pos = 0; |
|
|
1610 | self->incr_need = 1; |
|
|
1611 | |
|
|
1612 | av_push (self->incr_count, newSViv (1)); |
|
|
1613 | } |
|
|
1614 | |
|
|
1615 | do |
|
|
1616 | { |
|
|
1617 | if (!incr_parse (self, cborstr)) |
|
|
1618 | { |
|
|
1619 | if (self->incr_need > self->max_size && self->max_size) |
|
|
1620 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
|
|
1621 | (unsigned long)self->incr_need, (unsigned long)self->max_size); |
|
|
1622 | |
|
|
1623 | break; |
|
|
1624 | } |
|
|
1625 | |
|
|
1626 | SV *sv; |
|
|
1627 | char *offset; |
|
|
1628 | |
|
|
1629 | PUTBACK; sv = decode_cbor (cborstr, self, &offset); SPAGAIN; |
|
|
1630 | XPUSHs (sv); |
|
|
1631 | |
|
|
1632 | sv_chop (cborstr, offset); |
|
|
1633 | |
|
|
1634 | av_clear (self->incr_count); |
|
|
1635 | av_push (self->incr_count, newSViv (1)); |
|
|
1636 | |
|
|
1637 | self->incr_pos = 0; |
|
|
1638 | self->incr_need = self->incr_pos + 1; |
|
|
1639 | } |
|
|
1640 | while (ix); |
|
|
1641 | } |
|
|
1642 | |
|
|
1643 | void incr_reset (CBOR *self) |
|
|
1644 | CODE: |
|
|
1645 | { |
|
|
1646 | SvREFCNT_dec (self->incr_count); |
|
|
1647 | self->incr_count = 0; |
|
|
1648 | } |
960 | |
1649 | |
961 | void DESTROY (CBOR *self) |
1650 | void DESTROY (CBOR *self) |
962 | CODE: |
1651 | PPCODE: |
963 | SvREFCNT_dec (self->cb_sk_object); |
1652 | cbor_free (self); |
964 | SvREFCNT_dec (self->cb_object); |
|
|
965 | |
|
|
966 | #endif |
|
|
967 | |
1653 | |
968 | PROTOTYPES: ENABLE |
1654 | PROTOTYPES: ENABLE |
969 | |
1655 | |
970 | void encode_cbor (SV *scalar) |
1656 | void encode_cbor (SV *scalar) |
|
|
1657 | ALIAS: |
|
|
1658 | encode_cbor = 0 |
|
|
1659 | encode_cbor_sharing = F_ALLOW_SHARING |
971 | PPCODE: |
1660 | PPCODE: |
972 | { |
1661 | { |
973 | CBOR cbor; |
1662 | CBOR cbor; |
974 | cbor_init (&cbor); |
1663 | cbor_init (&cbor); |
|
|
1664 | cbor.flags |= ix; |
975 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1665 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
976 | XPUSHs (scalar); |
1666 | XPUSHs (scalar); |
977 | } |
1667 | } |
978 | |
1668 | |
979 | void decode_cbor (SV *cborstr) |
1669 | void decode_cbor (SV *cborstr) |
… | |
… | |
983 | cbor_init (&cbor); |
1673 | cbor_init (&cbor); |
984 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1674 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
985 | XPUSHs (cborstr); |
1675 | XPUSHs (cborstr); |
986 | } |
1676 | } |
987 | |
1677 | |
|
|
1678 | #ifdef __AFL_COMPILER |
|
|
1679 | |
|
|
1680 | void |
|
|
1681 | afl_init () |
|
|
1682 | CODE: |
|
|
1683 | __AFL_INIT (); |
|
|
1684 | |
|
|
1685 | int |
|
|
1686 | afl_loop (unsigned int count = 10000) |
|
|
1687 | CODE: |
|
|
1688 | RETVAL = __AFL_LOOP (count); |
|
|
1689 | OUTPUT: |
|
|
1690 | RETVAL |
|
|
1691 | |
|
|
1692 | #endif |
|
|
1693 | |