1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | // C99 required |
5 | // C99 required! |
|
|
6 | // this is not just for comments, but also for |
|
|
7 | // integer constant semantics, |
|
|
8 | // sscanf format modifiers and more. |
6 | |
9 | |
7 | enum { |
10 | enum { |
8 | // ASN_TAG |
11 | // ASN_TAG |
9 | ASN_BOOLEAN = 0x01, |
12 | ASN_BOOLEAN = 0x01, |
10 | ASN_INTEGER32 = 0x02, |
13 | ASN_INTEGER = 0x02, |
11 | ASN_BIT_STRING = 0x03, |
14 | ASN_BIT_STRING = 0x03, |
12 | ASN_OCTET_STRING = 0x04, |
15 | ASN_OCTET_STRING = 0x04, |
13 | ASN_NULL = 0x05, |
16 | ASN_NULL = 0x05, |
14 | ASN_OBJECT_IDENTIFIER = 0x06, |
17 | ASN_OBJECT_IDENTIFIER = 0x06, |
15 | ASN_OID = 0x06, //X |
18 | ASN_OID = 0x06, |
16 | ASN_OBJECT_DESCRIPTOR = 0x07, //X |
19 | ASN_OBJECT_DESCRIPTOR = 0x07, |
17 | ASN_EXTERNAL = 0x08, //X |
20 | ASN_EXTERNAL = 0x08, |
18 | ASN_REAL = 0x09, //X |
21 | ASN_REAL = 0x09, |
19 | ASN_ENUMERATED = 0x0a, //X |
22 | ASN_ENUMERATED = 0x0a, |
20 | ASN_EMBEDDED_PDV = 0x0b, //X |
23 | ASN_EMBEDDED_PDV = 0x0b, |
21 | ASN_UTF8_STRING = 0x0c, //X |
24 | ASN_UTF8_STRING = 0x0c, |
22 | ASN_RELATIVE_OID = 0x0d, //X |
25 | ASN_RELATIVE_OID = 0x0d, |
23 | ASN_SEQUENCE = 0x10, |
26 | ASN_SEQUENCE = 0x10, |
24 | ASN_SET = 0x11, //X |
27 | ASN_SET = 0x11, |
25 | ASN_NUMERIC_STRING = 0x12, //X |
28 | ASN_NUMERIC_STRING = 0x12, |
26 | ASN_PRINTABLE_STRING = 0x13, //X |
29 | ASN_PRINTABLE_STRING = 0x13, |
27 | ASN_TELETEX_STRING = 0x14, //X |
30 | ASN_TELETEX_STRING = 0x14, |
28 | ASN_T61_STRING = 0x14, //X |
31 | ASN_T61_STRING = 0x14, |
29 | ASN_VIDEOTEX_STRING = 0x15, //X |
32 | ASN_VIDEOTEX_STRING = 0x15, |
30 | ASN_IA5_STRING = 0x16, //X |
33 | ASN_IA5_STRING = 0x16, |
31 | ASN_ASCII_STRING = 0x16, //X |
34 | ASN_ASCII_STRING = 0x16, |
32 | ASN_UTC_TIME = 0x17, //X |
35 | ASN_UTC_TIME = 0x17, |
33 | ASN_GENERALIZED_TIME = 0x18, //X |
36 | ASN_GENERALIZED_TIME = 0x18, |
34 | ASN_GRAPHIC_STRING = 0x19, //X |
37 | ASN_GRAPHIC_STRING = 0x19, |
35 | ASN_VISIBLE_STRING = 0x1a, //X |
38 | ASN_VISIBLE_STRING = 0x1a, |
36 | ASN_ISO646_STRING = 0x1a, //X |
39 | ASN_ISO646_STRING = 0x1a, |
37 | ASN_GENERAL_STRING = 0x1b, //X |
40 | ASN_GENERAL_STRING = 0x1b, |
38 | ASN_UNIVERSAL_STRING = 0x1c, //X |
41 | ASN_UNIVERSAL_STRING = 0x1c, |
39 | ASN_CHARACTER_STRING = 0x1d, //X |
42 | ASN_CHARACTER_STRING = 0x1d, |
40 | ASN_BMPSTRING = 0x1e, //X |
43 | ASN_BMP_STRING = 0x1e, |
41 | |
44 | |
42 | ASN_TAG_BER = 0x1f, |
45 | ASN_TAG_BER = 0x1f, |
43 | ASN_TAG_MASK = 0x1f, |
46 | ASN_TAG_MASK = 0x1f, |
44 | |
47 | |
45 | // primitive/constructed |
48 | // primitive/constructed |
46 | ASN_CONSTRUCTED = 0x20, |
49 | ASN_CONSTRUCTED = 0x20, |
47 | |
50 | |
48 | // ASN_CLASS |
51 | // ASN_CLASS |
49 | ASN_UNIVERSAL = 0x00, |
52 | ASN_UNIVERSAL = 0x00, |
50 | ASN_APPLICATION = 0x40, |
53 | ASN_APPLICATION = 0x01, |
51 | ASN_CONTEXT = 0x80, |
54 | ASN_CONTEXT = 0x02, |
52 | ASN_PRIVATE = 0xc0, |
55 | ASN_PRIVATE = 0x03, |
53 | |
56 | |
54 | ASN_CLASS_MASK = 0xc0, |
57 | ASN_CLASS_MASK = 0xc0, |
55 | ASN_CLASS_SHIFT = 6, |
58 | ASN_CLASS_SHIFT = 6, |
56 | |
59 | |
57 | // ASN_APPLICATION SNMP |
60 | // ASN_APPLICATION SNMP |
58 | SNMP_IPADDRESS = 0x00, |
61 | SNMP_IPADDRESS = 0x00, |
59 | SNMP_COUNTER32 = 0x01, |
62 | SNMP_COUNTER32 = 0x01, |
|
|
63 | SNMP_GAUGE32 = 0x02, |
60 | SNMP_UNSIGNED32 = 0x02, |
64 | SNMP_UNSIGNED32 = 0x02, |
61 | SNMP_TIMETICKS = 0x03, |
65 | SNMP_TIMETICKS = 0x03, |
62 | SNMP_OPAQUE = 0x04, |
66 | SNMP_OPAQUE = 0x04, |
63 | SNMP_COUNTER64 = 0x06, |
67 | SNMP_COUNTER64 = 0x06, |
64 | }; |
68 | }; |
65 | |
69 | |
66 | enum { |
70 | enum { |
|
|
71 | BER_TYPE_BYTES, |
|
|
72 | BER_TYPE_UTF8, |
|
|
73 | BER_TYPE_UCS2, |
|
|
74 | BER_TYPE_UCS4, |
|
|
75 | BER_TYPE_INT, |
|
|
76 | BER_TYPE_OID, |
|
|
77 | BER_TYPE_RELOID, |
|
|
78 | BER_TYPE_NULL, |
|
|
79 | BER_TYPE_BOOL, |
|
|
80 | BER_TYPE_REAL, |
|
|
81 | BER_TYPE_IPADDRESS, |
|
|
82 | BER_TYPE_CROAK, |
|
|
83 | }; |
|
|
84 | |
|
|
85 | enum { |
67 | BER_CLASS = 0, |
86 | BER_CLASS = 0, |
68 | BER_TAG = 1, |
87 | BER_TAG = 1, |
69 | BER_CONSTRUCTED = 2, |
88 | BER_FLAGS = 2, |
70 | BER_DATA = 3, |
89 | BER_DATA = 3, |
71 | BER_ARRAYSIZE |
90 | BER_ARRAYSIZE |
72 | }; |
91 | }; |
73 | |
92 | |
74 | #define MAX_OID_STRLEN 4096 |
93 | #define MAX_OID_STRLEN 4096 |
75 | |
94 | |
|
|
95 | typedef void profile_type; |
|
|
96 | |
|
|
97 | static profile_type *cur_profile, *default_profile; |
76 | static SV *buf_sv; // encoding buffer |
98 | static SV *buf_sv; // encoding buffer |
77 | static U8 *buf, *cur, *end; // buffer start, current, end |
99 | static U8 *buf, *cur, *end; // buffer start, current, end |
|
|
100 | |
|
|
101 | #if PERL_VERSION < 18 |
|
|
102 | # define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l) |
|
|
103 | #endif |
78 | |
104 | |
79 | #if __GNUC__ >= 3 |
105 | #if __GNUC__ >= 3 |
80 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
106 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
81 | # define INLINE static inline |
107 | # define INLINE static inline |
82 | #else |
108 | #else |
… | |
… | |
85 | #endif |
111 | #endif |
86 | |
112 | |
87 | #define expect_false(expr) expect ((expr) != 0, 0) |
113 | #define expect_false(expr) expect ((expr) != 0, 0) |
88 | #define expect_true(expr) expect ((expr) != 0, 1) |
114 | #define expect_true(expr) expect ((expr) != 0, 1) |
89 | |
115 | |
|
|
116 | ///////////////////////////////////////////////////////////////////////////// |
|
|
117 | |
|
|
118 | static SV *sviv_cache[32]; |
|
|
119 | |
90 | // for "small" integers, return a readonly sv, otherwise create a new one |
120 | // for "small" integers, return a readonly sv, otherwise create a new one |
91 | static SV *newSVcacheint (int val) |
121 | static SV *newSVcacheint (int val) |
92 | { |
122 | { |
93 | static SV *cache[32]; |
|
|
94 | |
|
|
95 | if (expect_false (val < 0 || val >= sizeof (cache))) |
123 | if (expect_false (val < 0 || val >= sizeof (sviv_cache))) |
96 | return newSViv (val); |
124 | return newSViv (val); |
97 | |
125 | |
98 | if (expect_false (!cache [val])) |
126 | if (expect_false (!sviv_cache [val])) |
99 | { |
127 | { |
100 | cache [val] = newSVuv (val); |
128 | sviv_cache [val] = newSVuv (val); |
101 | SvREADONLY_on (cache [val]); |
129 | SvREADONLY_on (sviv_cache [val]); |
102 | } |
130 | } |
103 | |
131 | |
104 | return SvREFCNT_inc_NN (cache [val]); |
132 | return SvREFCNT_inc_NN (sviv_cache [val]); |
|
|
133 | } |
|
|
134 | |
|
|
135 | ///////////////////////////////////////////////////////////////////////////// |
|
|
136 | |
|
|
137 | static HV *profile_stash; |
|
|
138 | |
|
|
139 | static profile_type * |
|
|
140 | SvPROFILE (SV *profile) |
|
|
141 | { |
|
|
142 | if (!SvOK (profile)) |
|
|
143 | return default_profile; |
|
|
144 | |
|
|
145 | if (!SvROK (profile)) |
|
|
146 | croak ("invalid profile"); |
|
|
147 | |
|
|
148 | profile = SvRV (profile); |
|
|
149 | |
|
|
150 | if (SvSTASH (profile) != profile_stash) |
|
|
151 | croak ("invalid profile object"); |
|
|
152 | |
|
|
153 | return (void *)profile; |
|
|
154 | } |
|
|
155 | |
|
|
156 | static int |
|
|
157 | profile_lookup (profile_type *profile, int klass, int tag) |
|
|
158 | { |
|
|
159 | SV *sv = (SV *)profile; |
|
|
160 | U32 idx = (tag << 2) + klass; |
|
|
161 | |
|
|
162 | if (expect_false (idx >= SvCUR (sv))) |
|
|
163 | return BER_TYPE_BYTES; |
|
|
164 | |
|
|
165 | return SvPVX (sv)[idx]; |
|
|
166 | } |
|
|
167 | |
|
|
168 | static void |
|
|
169 | profile_set (profile_type *profile, int klass, int tag, int type) |
|
|
170 | { |
|
|
171 | SV *sv = (SV *)profile; |
|
|
172 | U32 idx = (tag << 2) + klass; |
|
|
173 | STRLEN oldlen = SvCUR (sv); |
|
|
174 | STRLEN newlen = idx + 2; |
|
|
175 | |
|
|
176 | if (idx >= oldlen) |
|
|
177 | { |
|
|
178 | sv_grow (sv, newlen); |
|
|
179 | memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen); |
|
|
180 | SvCUR_set (sv, newlen); |
|
|
181 | } |
|
|
182 | |
|
|
183 | SvPVX (sv)[idx] = type; |
|
|
184 | } |
|
|
185 | |
|
|
186 | static SV * |
|
|
187 | profile_new (void) |
|
|
188 | { |
|
|
189 | SV *sv = newSVpvn ("", 0); |
|
|
190 | |
|
|
191 | static const struct { |
|
|
192 | int klass; |
|
|
193 | int tag; |
|
|
194 | int type; |
|
|
195 | } *celem, default_map[] = { |
|
|
196 | { ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, |
|
|
197 | { ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT }, |
|
|
198 | { ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, |
|
|
199 | { ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, |
|
|
200 | { ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, |
|
|
201 | { ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, |
|
|
202 | { ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT }, |
|
|
203 | { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
|
|
204 | { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
|
|
205 | { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
|
|
206 | }; |
|
|
207 | |
|
|
208 | for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; ) |
|
|
209 | profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type); |
|
|
210 | |
|
|
211 | return sv_bless (newRV_noinc (sv), profile_stash); |
105 | } |
212 | } |
106 | |
213 | |
107 | ///////////////////////////////////////////////////////////////////////////// |
214 | ///////////////////////////////////////////////////////////////////////////// |
108 | // decoder |
215 | // decoder |
109 | |
216 | |
… | |
… | |
142 | |
249 | |
143 | return *cur++; |
250 | return *cur++; |
144 | } |
251 | } |
145 | |
252 | |
146 | // get ber-encoded integer (i.e. pack "w") |
253 | // get ber-encoded integer (i.e. pack "w") |
147 | static U32 |
254 | static UV |
148 | get_w (void) |
255 | get_w (void) |
149 | { |
256 | { |
150 | U32 res = 0; |
257 | UV res = 0; |
|
|
258 | U8 c = get_u8 (); |
|
|
259 | |
|
|
260 | if (expect_false (c == 0x80)) |
|
|
261 | error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)"); |
151 | |
262 | |
152 | for (;;) |
263 | for (;;) |
153 | { |
264 | { |
154 | U8 c = get_u8 (); |
265 | if (expect_false (res >> UVSIZE * 8 - 7)) |
|
|
266 | error ("BER variable integer overflow"); |
|
|
267 | |
155 | res = (res << 7) | (c & 0x7f); |
268 | res = (res << 7) | (c & 0x7f); |
156 | |
269 | |
157 | if (!(c & 0x80)) |
270 | if (!(c & 0x80)) |
158 | return res; |
271 | return res; |
159 | } |
|
|
160 | } |
|
|
161 | |
272 | |
|
|
273 | c = get_u8 (); |
|
|
274 | } |
|
|
275 | } |
|
|
276 | |
162 | static U32 |
277 | static UV |
163 | get_length (void) |
278 | get_length (void) |
164 | { |
279 | { |
165 | U32 res = get_u8 (); |
280 | UV res = get_u8 (); |
166 | |
281 | |
167 | if (res & 0x80) |
282 | if (res & 0x80) |
168 | { |
283 | { |
169 | int cnt = res & 0x7f; |
284 | int cnt = res & 0x7f; |
170 | res = 0; |
285 | res = 0; |
171 | |
286 | |
172 | switch (cnt) |
287 | switch (cnt) |
173 | { |
288 | { |
174 | case 0: |
289 | case 0: |
175 | error ("indefinite ASN.1 lengths not supported"); |
290 | error ("indefinite ASN.1 lengths not supported"); |
176 | return 0; |
291 | |
|
|
292 | case 0x7f: |
|
|
293 | error ("ASN.1 reserved value in length (X.690 8.1.3.5)"); |
177 | |
294 | |
178 | default: |
295 | default: |
179 | error ("ASN.1 length too long"); |
296 | error ("ASN.1 length too long (only up to 2**64 octets supported)"); |
180 | return 0; |
|
|
181 | |
297 | |
|
|
298 | case 8: res = (res << 8) | get_u8 (); |
|
|
299 | case 7: res = (res << 8) | get_u8 (); |
|
|
300 | case 6: res = (res << 8) | get_u8 (); |
|
|
301 | case 5: res = (res << 8) | get_u8 (); |
182 | case 4: res = (res << 8) | get_u8 (); |
302 | case 4: res = (res << 8) | get_u8 (); |
183 | case 3: res = (res << 8) | get_u8 (); |
303 | case 3: res = (res << 8) | get_u8 (); |
184 | case 2: res = (res << 8) | get_u8 (); |
304 | case 2: res = (res << 8) | get_u8 (); |
185 | case 1: res = (res << 8) | get_u8 (); |
305 | case 1: res = (res << 8) | get_u8 (); |
186 | } |
306 | } |
187 | } |
307 | } |
188 | |
308 | |
189 | return res; |
309 | return res; |
190 | } |
310 | } |
191 | |
311 | |
192 | static U32 |
|
|
193 | get_integer32 (void) |
|
|
194 | { |
|
|
195 | U32 length = get_length (); |
|
|
196 | |
|
|
197 | if (length <= 0) |
|
|
198 | { |
|
|
199 | error ("INTEGER32 length equal to zero"); |
|
|
200 | return 0; |
|
|
201 | } |
|
|
202 | |
|
|
203 | U8 *data = get_n (length); |
|
|
204 | |
|
|
205 | if (length > 5 || (length > 4 && data [0])) |
|
|
206 | { |
|
|
207 | error ("INTEGER32 length too long"); |
|
|
208 | return 0; |
|
|
209 | } |
|
|
210 | |
|
|
211 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
|
|
212 | |
|
|
213 | while (length--) |
|
|
214 | res = (res << 8) | *data++; |
|
|
215 | |
|
|
216 | return res; |
|
|
217 | } |
|
|
218 | |
|
|
219 | static SV * |
312 | static SV * |
220 | decode_integer32 (void) |
313 | decode_int (void) |
221 | { |
314 | { |
222 | return newSViv ((I32)get_integer32 ()); |
315 | UV len = get_length (); |
|
|
316 | |
|
|
317 | if (!len) |
|
|
318 | error ("invalid integer length equal to zero (X.690 8.3.1)"); |
|
|
319 | |
|
|
320 | U8 *data = get_n (len); |
|
|
321 | |
|
|
322 | if (expect_false (len > 1)) |
|
|
323 | { |
|
|
324 | U16 mask = (data [0] << 8) | data [1] & 0xff80; |
|
|
325 | |
|
|
326 | if (expect_false (mask == 0xff80 || mask == 0x0000)) |
|
|
327 | error ("illegal padding in integer (X.690 8.3.2)"); |
|
|
328 | } |
|
|
329 | |
|
|
330 | int negative = data [0] & 0x80; |
|
|
331 | |
|
|
332 | UV val = negative ? -1 : 0; // copy signbit to all bits |
|
|
333 | |
|
|
334 | if (len > UVSIZE + (!negative && !*data)) |
|
|
335 | error ("INTEGER overflow"); |
|
|
336 | |
|
|
337 | do |
|
|
338 | val = (val << 8) | *data++; |
|
|
339 | while (--len); |
|
|
340 | |
|
|
341 | // the cast to IV relies on implementation-defined behaviour (two's complement cast) |
|
|
342 | // but that's ok, as perl relies on it as well. |
|
|
343 | return negative ? newSViv ((IV)val) : newSVuv (val); |
223 | } |
344 | } |
224 | |
345 | |
225 | static SV * |
346 | static SV * |
226 | decode_unsigned32 (void) |
347 | decode_data (void) |
227 | { |
348 | { |
228 | return newSVuv ((U32)get_integer32 ()); |
|
|
229 | } |
|
|
230 | |
|
|
231 | #if IVSIZE >= 8 |
|
|
232 | |
|
|
233 | static U64TYPE |
|
|
234 | get_integer64 (void) |
|
|
235 | { |
|
|
236 | U32 length = get_length (); |
349 | UV len = get_length (); |
237 | |
350 | return newSVpvn ((char *)get_n (len), len); |
238 | if (length <= 0) |
|
|
239 | { |
|
|
240 | error ("INTEGER64 length equal to zero"); |
|
|
241 | return 0; |
|
|
242 | } |
|
|
243 | |
|
|
244 | U8 *data = get_n (length); |
|
|
245 | |
|
|
246 | if (length > 9 || (length > 8 && data [0])) |
|
|
247 | { |
|
|
248 | error ("INTEGER64 length too long"); |
|
|
249 | return 0; |
|
|
250 | } |
|
|
251 | |
|
|
252 | U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
|
|
253 | |
|
|
254 | while (length--) |
|
|
255 | res = (res << 8) | *data++; |
|
|
256 | |
|
|
257 | return res; |
|
|
258 | } |
351 | } |
259 | |
352 | |
260 | static SV * |
|
|
261 | decode_integer64 (void) |
|
|
262 | { |
|
|
263 | return newSViv ((I64TYPE)get_integer64 ()); |
|
|
264 | } |
|
|
265 | |
|
|
266 | static SV * |
|
|
267 | decode_unsigned64 (void) |
|
|
268 | { |
|
|
269 | return newSVuv ((U64TYPE)get_integer64 ()); |
|
|
270 | } |
|
|
271 | |
|
|
272 | #endif |
|
|
273 | |
|
|
274 | static SV * |
|
|
275 | decode_octet_string (void) |
|
|
276 | { |
|
|
277 | U32 length = get_length (); |
|
|
278 | U8 *data = get_n (length); |
|
|
279 | return newSVpvn (data, length); |
|
|
280 | } |
|
|
281 | |
|
|
282 | // gelper for decode_object_identifier |
353 | // helper for decode_object_identifier |
283 | static char * |
354 | static char * |
284 | write_uv (char *buf, U32 u) |
355 | write_uv (char *buf, UV u) |
285 | { |
356 | { |
286 | // the one-digit case is absolutely predominant, so this pays off (hopefully) |
357 | // the one-digit case is absolutely predominant, so this pays off (hopefully) |
287 | if (u < 10) |
358 | if (expect_true (u < 10)) |
288 | *buf++ = u + '0'; |
359 | *buf++ = u + '0'; |
289 | else |
360 | else |
290 | { |
361 | { |
|
|
362 | // this *could* be done much faster using branchless fixed-point arithmetics |
291 | char *beg = buf; |
363 | char *beg = buf; |
292 | |
364 | |
293 | do |
365 | do |
294 | { |
366 | { |
295 | *buf++ = u % 10 + '0'; |
367 | *buf++ = u % 10 + '0'; |
296 | u /= 10; |
368 | u /= 10; |
297 | } |
369 | } |
298 | while (u); |
370 | while (u); |
299 | |
371 | |
300 | // reverse digits |
372 | // reverse digits |
301 | for (char *ptr = buf; --ptr != beg; ++beg) |
373 | char *ptr = buf; |
|
|
374 | while (--ptr > beg) |
302 | { |
375 | { |
303 | char c = *ptr; |
376 | char c = *ptr; |
304 | *ptr = *beg; |
377 | *ptr = *beg; |
305 | *beg = c; |
378 | *beg = c; |
|
|
379 | ++beg; |
306 | } |
380 | } |
307 | } |
381 | } |
308 | |
382 | |
309 | return buf; |
383 | return buf; |
310 | } |
384 | } |
311 | |
385 | |
312 | static SV * |
386 | static SV * |
313 | decode_object_identifier (void) |
387 | decode_oid (int relative) |
314 | { |
388 | { |
315 | U32 length = get_length (); |
389 | UV len = get_length (); |
316 | |
390 | |
317 | if (length <= 0) |
391 | if (len <= 0) |
318 | { |
392 | { |
319 | error ("OBJECT IDENTIFIER length equal to zero"); |
393 | error ("OBJECT IDENTIFIER length equal to zero"); |
320 | return &PL_sv_undef; |
394 | return &PL_sv_undef; |
321 | } |
395 | } |
322 | |
396 | |
323 | U8 *end = cur + length; |
397 | U8 *end = cur + len; |
324 | U32 w = get_w (); |
398 | UV w = get_w (); |
325 | |
399 | |
326 | static char oid[MAX_OID_STRLEN]; // must be static |
400 | static char oid[MAX_OID_STRLEN]; // static, because too large for stack |
327 | char *app = oid; |
401 | char *app = oid; |
328 | |
402 | |
|
|
403 | if (relative) |
|
|
404 | app = write_uv (app, w); |
|
|
405 | else if (w < 2 * 40) |
|
|
406 | { |
329 | app = write_uv (app, (U8)w / 40); |
407 | app = write_uv (app, (U8)w / 40); |
330 | *app++ = '.'; |
408 | *app++ = '.'; |
331 | app = write_uv (app, (U8)w % 40); |
409 | app = write_uv (app, (U8)w % 40); |
|
|
410 | } |
|
|
411 | else |
|
|
412 | { |
|
|
413 | app = write_uv (app, 2); |
|
|
414 | *app++ = '.'; |
|
|
415 | app = write_uv (app, w - 2 * 40); |
|
|
416 | } |
332 | |
417 | |
|
|
418 | while (cur < end) |
|
|
419 | { |
333 | // we assume an oid component is never > 64 bytes |
420 | // we assume an oid component is never > 64 digits |
334 | while (cur < end && oid + sizeof (oid) - app > 64) |
421 | if (oid + sizeof (oid) - app < 64) |
335 | { |
422 | croak ("BER_TYPE_OID to long to decode"); |
|
|
423 | |
336 | w = get_w (); |
424 | w = get_w (); |
337 | *app++ = '.'; |
425 | *app++ = '.'; |
338 | app = write_uv (app, w); |
426 | app = write_uv (app, w); |
339 | } |
427 | } |
340 | |
428 | |
341 | return newSVpvn (oid, app - oid); |
429 | return newSVpvn (oid, app - oid); |
342 | } |
430 | } |
343 | |
431 | |
|
|
432 | // TODO: this is unacceptably slow |
344 | static SV * |
433 | static SV * |
|
|
434 | decode_ucs (int chrsize) |
|
|
435 | { |
|
|
436 | SV *res = NEWSV (0, 0); |
|
|
437 | |
|
|
438 | UV len = get_length (); |
|
|
439 | |
|
|
440 | if (len & (chrsize - 1)) |
|
|
441 | croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len); |
|
|
442 | |
|
|
443 | while (len) |
|
|
444 | { |
|
|
445 | U8 b1 = get_u8 (); |
|
|
446 | U8 b2 = get_u8 (); |
|
|
447 | U32 chr = (b1 << 8) | b2; |
|
|
448 | |
|
|
449 | if (chrsize == 4) |
|
|
450 | { |
|
|
451 | U8 b3 = get_u8 (); |
|
|
452 | U8 b4 = get_u8 (); |
|
|
453 | chr = (chr << 16) | (b3 << 8) | b4; |
|
|
454 | } |
|
|
455 | |
|
|
456 | U8 uchr [UTF8_MAXBYTES]; |
|
|
457 | int uclen = uvuni_to_utf8 (uchr, chr) - uchr; |
|
|
458 | |
|
|
459 | sv_catpvn (res, (const char *)uchr, uclen); |
|
|
460 | len -= chrsize; |
|
|
461 | } |
|
|
462 | |
|
|
463 | SvUTF8_on (res); |
|
|
464 | |
|
|
465 | return res; |
|
|
466 | } |
|
|
467 | |
|
|
468 | static SV * |
345 | decode_ber () |
469 | decode_ber (void) |
346 | { |
470 | { |
347 | int identifier = get_u8 (); |
471 | int identifier = get_u8 (); |
348 | |
472 | |
349 | SV *res; |
473 | SV *res; |
350 | |
474 | |
351 | int constructed = identifier & ASN_CONSTRUCTED; |
475 | int constructed = identifier & ASN_CONSTRUCTED; |
352 | int klass = identifier & ASN_CLASS_MASK; |
476 | int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT; |
353 | int tag = identifier & ASN_TAG_MASK; |
477 | int tag = identifier & ASN_TAG_MASK; |
354 | |
478 | |
355 | if (tag == ASN_TAG_BER) |
479 | if (tag == ASN_TAG_BER) |
356 | tag = get_w (); |
480 | tag = get_w (); |
357 | |
481 | |
358 | if (tag == ASN_TAG_BER) |
|
|
359 | tag = get_w (); |
|
|
360 | |
|
|
361 | if (constructed) |
482 | if (constructed) |
362 | { |
483 | { |
363 | U32 len = get_length (); |
484 | UV len = get_length (); |
364 | U32 seqend = (cur - buf) + len; |
485 | UV seqend = (cur - buf) + len; |
365 | AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
486 | AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
366 | |
487 | |
367 | while (cur < buf + seqend) |
488 | while (cur < buf + seqend) |
368 | av_push (av, decode_ber ()); |
489 | av_push (av, decode_ber ()); |
369 | |
490 | |
370 | if (cur > buf + seqend) |
491 | if (cur > buf + seqend) |
371 | croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); |
492 | croak ("constructed type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend); |
372 | |
493 | |
373 | res = newRV_inc ((SV *)av); |
494 | res = newRV_inc ((SV *)av); |
374 | } |
495 | } |
375 | else |
496 | else |
376 | switch (identifier) |
497 | switch (profile_lookup (cur_profile, klass, tag)) |
377 | { |
498 | { |
378 | case ASN_NULL: |
499 | case BER_TYPE_NULL: |
|
|
500 | { |
|
|
501 | UV len = get_length (); |
|
|
502 | |
|
|
503 | if (len) |
|
|
504 | croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len); |
|
|
505 | |
379 | res = &PL_sv_undef; |
506 | res = &PL_sv_undef; |
|
|
507 | } |
380 | break; |
508 | break; |
381 | |
509 | |
382 | case ASN_OBJECT_IDENTIFIER: |
510 | case BER_TYPE_BOOL: |
|
|
511 | { |
|
|
512 | UV len = get_length (); |
|
|
513 | |
|
|
514 | if (len != 1) |
|
|
515 | croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len); |
|
|
516 | |
|
|
517 | res = newSVcacheint (!!get_u8 ()); |
|
|
518 | } |
|
|
519 | break; |
|
|
520 | |
|
|
521 | case BER_TYPE_OID: |
383 | res = decode_object_identifier (); |
522 | res = decode_oid (0); |
384 | break; |
523 | break; |
385 | |
524 | |
386 | case ASN_INTEGER32: |
525 | case BER_TYPE_RELOID: |
|
|
526 | res = decode_oid (1); |
|
|
527 | break; |
|
|
528 | |
|
|
529 | case BER_TYPE_INT: |
387 | res = decode_integer32 (); |
530 | res = decode_int (); |
388 | break; |
531 | break; |
389 | |
532 | |
390 | case ASN_APPLICATION | SNMP_UNSIGNED32: |
533 | case BER_TYPE_UTF8: |
391 | case ASN_APPLICATION | SNMP_COUNTER32: |
534 | res = decode_data (); |
392 | case ASN_APPLICATION | SNMP_TIMETICKS: |
535 | SvUTF8_on (res); |
|
|
536 | break; |
|
|
537 | |
|
|
538 | case BER_TYPE_BYTES: |
|
|
539 | res = decode_data (); |
|
|
540 | break; |
|
|
541 | |
|
|
542 | case BER_TYPE_IPADDRESS: |
|
|
543 | { |
|
|
544 | UV len = get_length (); |
|
|
545 | |
|
|
546 | if (len != 4) |
|
|
547 | croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len); |
|
|
548 | |
|
|
549 | U8 c1 = get_u8 (); |
|
|
550 | U8 c2 = get_u8 (); |
|
|
551 | U8 c3 = get_u8 (); |
|
|
552 | U8 c4 = get_u8 (); |
|
|
553 | |
|
|
554 | res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4); |
|
|
555 | } |
|
|
556 | break; |
|
|
557 | |
|
|
558 | case BER_TYPE_UCS2: |
|
|
559 | res = decode_ucs (2); |
|
|
560 | break; |
|
|
561 | |
|
|
562 | case BER_TYPE_UCS4: |
393 | res = decode_unsigned32 (); |
563 | res = decode_ucs (4); |
394 | break; |
564 | break; |
395 | |
565 | |
396 | #if 0 // handled by default case |
566 | case BER_TYPE_REAL: |
397 | case ASN_OCTET_STRING: |
567 | case BER_TYPE_CROAK: |
398 | case ASN_APPLICATION | ASN_IPADDRESS: |
|
|
399 | case ASN_APPLICATION | ASN_OPAQUE: |
|
|
400 | res = decode_octet_string (); |
|
|
401 | break; |
|
|
402 | #endif |
|
|
403 | |
|
|
404 | case ASN_APPLICATION | SNMP_COUNTER64: |
|
|
405 | res = decode_integer64 (); |
|
|
406 | break; |
|
|
407 | |
|
|
408 | default: |
568 | default: |
409 | res = decode_octet_string (); |
569 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
410 | break; |
|
|
411 | } |
570 | } |
412 | |
571 | |
413 | AV *av = newAV (); |
572 | AV *av = newAV (); |
414 | av_fill (av, BER_ARRAYSIZE - 1); |
573 | av_fill (av, BER_ARRAYSIZE - 1); |
415 | AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT); |
574 | AvARRAY (av)[BER_CLASS] = newSVcacheint (klass); |
416 | AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
575 | AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
417 | AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0); |
576 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0); |
418 | AvARRAY (av)[BER_DATA ] = res; |
577 | AvARRAY (av)[BER_DATA ] = res; |
419 | |
578 | |
420 | return newRV_noinc ((SV *)av); |
579 | return newRV_noinc ((SV *)av); |
421 | } |
580 | } |
422 | |
581 | |
423 | ///////////////////////////////////////////////////////////////////////////// |
582 | ///////////////////////////////////////////////////////////////////////////// |
… | |
… | |
428 | strlen_sum (STRLEN l1, STRLEN l2) |
587 | strlen_sum (STRLEN l1, STRLEN l2) |
429 | { |
588 | { |
430 | size_t sum = l1 + l2; |
589 | size_t sum = l1 + l2; |
431 | |
590 | |
432 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
591 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
433 | croak ("JSON::XS: string size overflow"); |
592 | croak ("Convert::BER::XS: string size overflow"); |
434 | |
593 | |
435 | return sum; |
594 | return sum; |
436 | } |
595 | } |
437 | |
596 | |
438 | static void |
597 | static void |
439 | set_buf (SV *sv) |
598 | set_buf (SV *sv) |
440 | { |
599 | { |
441 | STRLEN len; |
600 | STRLEN len; |
442 | buf_sv = sv; |
601 | buf_sv = sv; |
443 | buf = SvPVbyte (buf_sv, len); |
602 | buf = (U8 *)SvPVbyte (buf_sv, len); |
444 | cur = buf; |
603 | cur = buf; |
445 | end = buf + len; |
604 | end = buf + len; |
446 | } |
605 | } |
447 | |
606 | |
448 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
607 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
… | |
… | |
462 | need (STRLEN len) |
621 | need (STRLEN len) |
463 | { |
622 | { |
464 | if (expect_false ((uintptr_t)(end - cur) < len)) |
623 | if (expect_false ((uintptr_t)(end - cur) < len)) |
465 | { |
624 | { |
466 | STRLEN pos = cur - buf; |
625 | STRLEN pos = cur - buf; |
467 | buf = my_sv_grow (buf_sv, pos, len); |
626 | buf = (U8 *)my_sv_grow (buf_sv, pos, len); |
468 | cur = buf + pos; |
627 | cur = buf + pos; |
469 | end = buf + SvLEN (buf_sv) - 1; |
628 | end = buf + SvLEN (buf_sv) - 1; |
470 | } |
629 | } |
471 | } |
630 | } |
472 | |
631 | |
… | |
… | |
476 | need (1); |
635 | need (1); |
477 | *cur++ = val; |
636 | *cur++ = val; |
478 | } |
637 | } |
479 | |
638 | |
480 | static void |
639 | static void |
481 | put_w_nocheck (U32 val) |
640 | put_w_nocheck (UV val) |
482 | { |
641 | { |
|
|
642 | #if UVSIZE > 4 |
|
|
643 | *cur = (val >> 7 * 9) | 0x80; cur += val >= ((UV)1 << (7 * 9)); |
|
|
644 | *cur = (val >> 7 * 8) | 0x80; cur += val >= ((UV)1 << (7 * 8)); |
|
|
645 | *cur = (val >> 7 * 7) | 0x80; cur += val >= ((UV)1 << (7 * 7)); |
|
|
646 | *cur = (val >> 7 * 6) | 0x80; cur += val >= ((UV)1 << (7 * 6)); |
|
|
647 | *cur = (val >> 7 * 5) | 0x80; cur += val >= ((UV)1 << (7 * 5)); |
|
|
648 | #endif |
483 | *cur = (val >> 7 * 4) | 0x80; cur += val >= (1 << (7 * 4)); |
649 | *cur = (val >> 7 * 4) | 0x80; cur += val >= ((UV)1 << (7 * 4)); |
484 | *cur = (val >> 7 * 3) | 0x80; cur += val >= (1 << (7 * 3)); |
650 | *cur = (val >> 7 * 3) | 0x80; cur += val >= ((UV)1 << (7 * 3)); |
485 | *cur = (val >> 7 * 2) | 0x80; cur += val >= (1 << (7 * 2)); |
651 | *cur = (val >> 7 * 2) | 0x80; cur += val >= ((UV)1 << (7 * 2)); |
486 | *cur = (val >> 7 * 1) | 0x80; cur += val >= (1 << (7 * 1)); |
652 | *cur = (val >> 7 * 1) | 0x80; cur += val >= ((UV)1 << (7 * 1)); |
487 | *cur = val & 0x7f; cur += 1; |
653 | *cur = val & 0x7f; cur += 1; |
488 | } |
654 | } |
489 | |
655 | |
490 | static void |
656 | static void |
491 | put_w (U32 val) |
657 | put_w (UV val) |
492 | { |
658 | { |
493 | need (5); // we only handle up to 5 bytes |
659 | need (5); // we only handle up to 5 bytes |
494 | |
660 | |
495 | put_w_nocheck (val); |
661 | put_w_nocheck (val); |
496 | } |
662 | } |
497 | |
663 | |
498 | static U8 * |
664 | static U8 * |
499 | put_length_at (U32 val, U8 *cur) |
665 | put_length_at (UV val, U8 *cur) |
500 | { |
666 | { |
501 | if (val < 0x7fU) |
667 | if (val < 0x7fU) |
502 | *cur++ = val; |
668 | *cur++ = val; |
503 | else |
669 | else |
504 | { |
670 | { |
505 | U8 *lenb = cur++; |
671 | U8 *lenb = cur++; |
506 | |
672 | |
|
|
673 | #if UVSIZE > 4 |
|
|
674 | *cur = val >> 56; cur += *cur > 0; |
|
|
675 | *cur = val >> 48; cur += *cur > 0; |
|
|
676 | *cur = val >> 40; cur += *cur > 0; |
|
|
677 | *cur = val >> 32; cur += *cur > 0; |
|
|
678 | #endif |
507 | *cur = val >> 24; cur += *cur > 0; |
679 | *cur = val >> 24; cur += *cur > 0; |
508 | *cur = val >> 16; cur += *cur > 0; |
680 | *cur = val >> 16; cur += *cur > 0; |
509 | *cur = val >> 8; cur += *cur > 0; |
681 | *cur = val >> 8; cur += *cur > 0; |
510 | *cur = val ; cur += 1; |
682 | *cur = val ; cur += 1; |
511 | |
683 | |
… | |
… | |
514 | |
686 | |
515 | return cur; |
687 | return cur; |
516 | } |
688 | } |
517 | |
689 | |
518 | static void |
690 | static void |
519 | put_length (U32 val) |
691 | put_length (UV val) |
520 | { |
692 | { |
521 | need (5); |
693 | need (5 + val); |
522 | cur = put_length_at (val, cur); |
694 | cur = put_length_at (val, cur); |
523 | } |
695 | } |
524 | |
696 | |
525 | // return how many bytes the encoded length requires |
697 | // return how many bytes the encoded length requires |
526 | static int length_length (U32 val) |
698 | static int length_length (UV val) |
527 | { |
699 | { |
528 | return val < 0x7fU |
700 | return val < 0x7fU |
529 | ? 1 |
701 | ? 1 |
530 | : 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU); |
702 | : 2 |
|
|
703 | + (val > 0xffU) |
|
|
704 | + (val > 0xffffU) |
|
|
705 | + (val > 0xffffffU) |
|
|
706 | #if UVSIZE > 4 |
|
|
707 | + (val > 0xffffffffU) |
|
|
708 | + (val > 0xffffffffffU) |
|
|
709 | + (val > 0xffffffffffffU) |
|
|
710 | + (val > 0xffffffffffffffU) |
|
|
711 | #endif |
|
|
712 | ; |
531 | } |
713 | } |
532 | |
714 | |
533 | static void |
715 | static void |
534 | encode_octet_string (SV *sv) |
716 | encode_data (const char *ptr, STRLEN len) |
535 | { |
717 | { |
536 | STRLEN len; |
|
|
537 | char *ptr = SvPVbyte (sv, len); |
|
|
538 | |
|
|
539 | put_length (len); |
718 | put_length (len); |
540 | need (len); |
|
|
541 | memcpy (cur, ptr, len); |
719 | memcpy (cur, ptr, len); |
542 | cur += len; |
720 | cur += len; |
543 | } |
721 | } |
544 | |
722 | |
545 | static void |
723 | static void |
546 | encode_integer32 (IV iv) |
724 | encode_uv (UV uv) |
547 | { |
725 | { |
548 | need (5); |
726 | } |
|
|
727 | |
|
|
728 | static void |
|
|
729 | encode_int (SV *sv) |
|
|
730 | { |
|
|
731 | need (8 + 1 + 1); // 64 bit + length + extra 0 |
|
|
732 | |
|
|
733 | if (expect_false (!SvIOK (sv))) |
|
|
734 | sv_2iv_flags (sv, 0); |
549 | |
735 | |
550 | U8 *lenb = cur++; |
736 | U8 *lenb = cur++; |
551 | |
737 | |
552 | if (iv < 0) |
738 | if (SvIOK_notUV (sv)) |
553 | { |
739 | { |
|
|
740 | IV iv = SvIVX (sv); |
|
|
741 | |
|
|
742 | if (expect_false (iv < 0)) |
|
|
743 | { |
554 | // get two's complement bit pattern - works even on hypthetical non-2c machines |
744 | // get two's complement bit pattern - works even on hypothetical non-2c machines |
555 | U32 uv = iv; |
745 | UV uv = iv; |
556 | |
746 | |
|
|
747 | #if UVSIZE > 4 |
|
|
748 | *cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U); |
|
|
749 | *cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U); |
|
|
750 | *cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U); |
|
|
751 | *cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U); |
|
|
752 | #endif |
557 | *cur = uv >> 24; cur += !!(~uv & 0xff800000U); |
753 | *cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U); |
558 | *cur = uv >> 16; cur += !!(~uv & 0xffff8000U); |
754 | *cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U); |
559 | *cur = uv >> 8; cur += !!(~uv & 0xffffff80U); |
755 | *cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U); |
560 | *cur = uv ; cur += 1; |
756 | *cur = uv ; cur += 1; |
561 | } |
757 | |
562 | else |
758 | *lenb = cur - lenb - 1; |
|
|
759 | |
|
|
760 | return; |
|
|
761 | } |
563 | { |
762 | } |
564 | *cur = iv >> 24; cur += *cur > 0; |
763 | |
565 | *cur = iv >> 16; cur += *cur > 0; |
764 | UV uv = SvUV (sv); |
566 | *cur = iv >> 8; cur += *cur > 0; |
765 | |
|
|
766 | // prepend an extra 0 if the high bit is 1 |
|
|
767 | *cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE * 8 - 1))); |
|
|
768 | |
|
|
769 | #if UVSIZE > 4 |
|
|
770 | *cur = uv >> 56; cur += !!(uv & 0xff80000000000000U); |
|
|
771 | *cur = uv >> 48; cur += !!(uv & 0xffff800000000000U); |
|
|
772 | *cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U); |
|
|
773 | *cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U); |
|
|
774 | #endif |
|
|
775 | *cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U); |
|
|
776 | *cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U); |
|
|
777 | *cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U); |
567 | *cur = iv ; cur += 1; |
778 | *cur = uv ; cur += 1; |
568 | } |
|
|
569 | |
779 | |
570 | *lenb = cur - lenb - 1; |
780 | *lenb = cur - lenb - 1; |
571 | } |
781 | } |
572 | |
782 | |
573 | static void |
|
|
574 | encode_unsigned64 (U64TYPE uv) |
|
|
575 | { |
|
|
576 | need (9); |
|
|
577 | |
|
|
578 | U8 *lenb = cur++; |
|
|
579 | |
|
|
580 | *cur = uv >> 56; cur += *cur > 0; |
|
|
581 | *cur = uv >> 48; cur += *cur > 0; |
|
|
582 | *cur = uv >> 40; cur += *cur > 0; |
|
|
583 | *cur = uv >> 32; cur += *cur > 0; |
|
|
584 | *cur = uv >> 24; cur += *cur > 0; |
|
|
585 | *cur = uv >> 16; cur += *cur > 0; |
|
|
586 | *cur = uv >> 8; cur += *cur > 0; |
|
|
587 | *cur = uv ; cur += 1; |
|
|
588 | |
|
|
589 | *lenb = cur - lenb - 1; |
|
|
590 | } |
|
|
591 | |
|
|
592 | // we don't know the length yet, so we optimistically |
783 | // we don't know the length yet, so we optimistically |
593 | // assume the length will need one octet later. if that |
784 | // assume the length will need one octet later. If that |
594 | // turns out to be wrong, we memove as needed. |
785 | // turns out to be wrong, we memmove as needed. |
595 | // mark the beginning |
786 | // mark the beginning |
596 | static STRLEN |
787 | static STRLEN |
597 | len_fixup_mark () |
788 | len_fixup_mark (void) |
598 | { |
789 | { |
599 | return cur++ - buf; |
790 | return cur++ - buf; |
600 | } |
791 | } |
601 | |
792 | |
602 | // patch up the length |
793 | // patch up the length |
… | |
… | |
631 | |
822 | |
632 | return str; |
823 | return str; |
633 | } |
824 | } |
634 | |
825 | |
635 | static void |
826 | static void |
636 | encode_object_identifier (SV *oid) |
827 | encode_oid (SV *oid, int relative) |
637 | { |
828 | { |
638 | STRLEN slen; |
829 | STRLEN len; |
639 | char *ptr = SvPV (oid, slen); // utf8 vs. bytes does not matter |
830 | char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter |
640 | |
831 | |
641 | // we need at most as many octets as the string form |
832 | // we need at most as many octets as the string form |
642 | need (slen + 1); |
833 | need (len + 1); |
643 | STRLEN mark = len_fixup_mark (); |
834 | STRLEN mark = len_fixup_mark (); |
644 | |
835 | |
645 | UV w1, w2; |
836 | UV w1, w2; |
646 | |
837 | |
|
|
838 | if (!relative) |
|
|
839 | { |
647 | ptr = read_uv (ptr, &w1); |
840 | ptr = read_uv (ptr, &w1); |
648 | ptr = read_uv (ptr, &w2); |
841 | ptr = read_uv (ptr, &w2); |
649 | |
842 | |
650 | put_w_nocheck (w1 * 40 + w2); |
843 | put_w_nocheck (w1 * 40 + w2); |
|
|
844 | } |
651 | |
845 | |
652 | while (*ptr) |
846 | while (*ptr) |
653 | { |
847 | { |
654 | ptr = read_uv (ptr, &w1); |
848 | ptr = read_uv (ptr, &w1); |
655 | put_w_nocheck (w1); |
849 | put_w_nocheck (w1); |
656 | } |
850 | } |
657 | |
851 | |
658 | len_fixup (mark); |
852 | len_fixup (mark); |
659 | } |
853 | } |
660 | |
854 | |
|
|
855 | // check whether an SV is a BER tuple and returns its AV * |
|
|
856 | static AV * |
|
|
857 | ber_tuple (SV *tuple) |
|
|
858 | { |
|
|
859 | SV *rv; |
|
|
860 | |
|
|
861 | if (expect_false (!SvROK (tuple) || SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV)) |
|
|
862 | croak ("BER tuple must be array-reference"); |
|
|
863 | |
|
|
864 | if (expect_false (SvRMAGICAL (rv))) |
|
|
865 | croak ("BER tuple must not be tied"); |
|
|
866 | |
|
|
867 | if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1)) |
|
|
868 | croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1); |
|
|
869 | |
|
|
870 | return (AV *)rv; |
|
|
871 | } |
|
|
872 | |
|
|
873 | static void |
|
|
874 | encode_ucs (SV *data, int chrsize) |
|
|
875 | { |
|
|
876 | STRLEN uchars = sv_len_utf8 (data); |
|
|
877 | STRLEN len;; |
|
|
878 | char *ptr = SvPVutf8 (data, len); |
|
|
879 | |
|
|
880 | put_length (uchars * chrsize); |
|
|
881 | |
|
|
882 | while (uchars--) |
|
|
883 | { |
|
|
884 | STRLEN uclen; |
|
|
885 | UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen); |
|
|
886 | |
|
|
887 | ptr += uclen; |
|
|
888 | len -= uclen; |
|
|
889 | |
|
|
890 | if (chrsize == 4) |
|
|
891 | { |
|
|
892 | *cur++ = uchr >> 24; |
|
|
893 | *cur++ = uchr >> 16; |
|
|
894 | } |
|
|
895 | |
|
|
896 | *cur++ = uchr >> 8; |
|
|
897 | *cur++ = uchr; |
|
|
898 | } |
|
|
899 | } |
661 | static void |
900 | static void |
662 | encode_ber (SV *tuple) |
901 | encode_ber (SV *tuple) |
663 | { |
902 | { |
664 | if (expect_false (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV)) |
903 | AV *av = ber_tuple (tuple); |
665 | croak ("BER tuple must be array-reference"); |
|
|
666 | |
|
|
667 | AV *av = (AV *)SvRV (tuple); |
|
|
668 | |
|
|
669 | if (expect_false (SvRMAGICAL (av))) |
|
|
670 | croak ("BER tuple must not be tied"); |
|
|
671 | |
|
|
672 | if (expect_false (AvFILL (av) != BER_ARRAYSIZE - 1)) |
|
|
673 | croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL (av) + 1); |
|
|
674 | |
904 | |
675 | int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
905 | int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
676 | int tag = SvIV (AvARRAY (av)[BER_TAG]); |
906 | int tag = SvIV (AvARRAY (av)[BER_TAG]); |
677 | int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0; |
907 | int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0; |
678 | SV *data = AvARRAY (av)[BER_DATA]; |
908 | SV *data = AvARRAY (av)[BER_DATA]; |
679 | |
909 | |
680 | int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
910 | int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
681 | |
911 | |
682 | if (expect_false (tag >= ASN_TAG_BER)) |
912 | if (expect_false (tag >= ASN_TAG_BER)) |
… | |
… | |
701 | int fill = AvFILL (av); |
931 | int fill = AvFILL (av); |
702 | |
932 | |
703 | if (expect_false (SvRMAGICAL (av))) |
933 | if (expect_false (SvRMAGICAL (av))) |
704 | croak ("BER constructed data must not be tied"); |
934 | croak ("BER constructed data must not be tied"); |
705 | |
935 | |
|
|
936 | int i; |
706 | for (int i = 0; i <= fill; ++i) |
937 | for (i = 0; i <= fill; ++i) |
707 | encode_ber (AvARRAY (av)[i]); |
938 | encode_ber (AvARRAY (av)[i]); |
708 | |
939 | |
709 | len_fixup (mark); |
940 | len_fixup (mark); |
710 | } |
941 | } |
711 | else |
942 | else |
712 | switch (identifier | tag) |
943 | switch (profile_lookup (cur_profile, klass, tag)) |
713 | { |
944 | { |
714 | case ASN_NULL: |
945 | case BER_TYPE_NULL: |
715 | put_length (0); |
946 | put_length (0); |
716 | break; |
947 | break; |
717 | |
948 | |
718 | case ASN_OBJECT_IDENTIFIER: |
949 | case BER_TYPE_BOOL: |
|
|
950 | put_length (1); |
|
|
951 | *cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER |
|
|
952 | break; |
|
|
953 | |
|
|
954 | case BER_TYPE_OID: |
719 | encode_object_identifier (data); |
955 | encode_oid (data, 0); |
720 | break; |
956 | break; |
721 | |
957 | |
722 | case ASN_INTEGER32: |
958 | case BER_TYPE_RELOID: |
|
|
959 | encode_oid (data, 1); |
|
|
960 | break; |
|
|
961 | |
|
|
962 | case BER_TYPE_INT: |
723 | encode_integer32 (SvIV (data)); |
963 | encode_int (data); |
724 | break; |
964 | break; |
725 | |
965 | |
726 | case ASN_APPLICATION | SNMP_UNSIGNED32: |
966 | case BER_TYPE_BYTES: |
727 | case ASN_APPLICATION | SNMP_COUNTER32: |
967 | { |
728 | case ASN_APPLICATION | SNMP_TIMETICKS: |
968 | STRLEN len; |
729 | case ASN_APPLICATION | SNMP_COUNTER64: |
969 | const char *ptr = SvPVbyte (data, len); |
730 | encode_unsigned64 (SvUV (data)); |
970 | encode_data (ptr, len); |
|
|
971 | } |
731 | break; |
972 | break; |
732 | |
973 | |
|
|
974 | case BER_TYPE_UTF8: |
|
|
975 | { |
|
|
976 | STRLEN len; |
|
|
977 | const char *ptr = SvPVutf8 (data, len); |
|
|
978 | encode_data (ptr, len); |
|
|
979 | } |
|
|
980 | break; |
|
|
981 | |
|
|
982 | case BER_TYPE_IPADDRESS: |
|
|
983 | { |
|
|
984 | U8 ip[4]; |
|
|
985 | sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3); |
|
|
986 | encode_data ((const char *)ip, sizeof (ip)); |
|
|
987 | } |
|
|
988 | break; |
|
|
989 | |
|
|
990 | case BER_TYPE_UCS2: |
|
|
991 | encode_ucs (data, 2); |
|
|
992 | break; |
|
|
993 | |
|
|
994 | case BER_TYPE_UCS4: |
|
|
995 | encode_ucs (data, 4); |
|
|
996 | break; |
|
|
997 | |
|
|
998 | case BER_TYPE_REAL: |
|
|
999 | case BER_TYPE_CROAK: |
733 | default: |
1000 | default: |
734 | encode_octet_string (data); |
1001 | croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
735 | break; |
|
|
736 | } |
1002 | } |
737 | |
1003 | |
738 | } |
1004 | } |
739 | |
1005 | |
740 | ///////////////////////////////////////////////////////////////////////////// |
1006 | ///////////////////////////////////////////////////////////////////////////// |
… | |
… | |
744 | PROTOTYPES: ENABLE |
1010 | PROTOTYPES: ENABLE |
745 | |
1011 | |
746 | BOOT: |
1012 | BOOT: |
747 | { |
1013 | { |
748 | HV *stash = gv_stashpv ("Convert::BER::XS", 1); |
1014 | HV *stash = gv_stashpv ("Convert::BER::XS", 1); |
|
|
1015 | |
|
|
1016 | profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1); |
749 | |
1017 | |
750 | static const struct { |
1018 | static const struct { |
751 | const char *name; |
1019 | const char *name; |
752 | IV iv; |
1020 | IV iv; |
753 | } *civ, const_iv[] = { |
1021 | } *civ, const_iv[] = { |
754 | { "ASN_BOOLEAN", ASN_BOOLEAN }, |
1022 | #define const_iv(name) { # name, name }, |
755 | { "ASN_INTEGER32", ASN_INTEGER32 }, |
1023 | const_iv (ASN_BOOLEAN) |
756 | { "ASN_BIT_STRING", ASN_BIT_STRING }, |
1024 | const_iv (ASN_INTEGER) |
757 | { "ASN_OCTET_STRING", ASN_OCTET_STRING }, |
1025 | const_iv (ASN_BIT_STRING) |
758 | { "ASN_NULL", ASN_NULL }, |
1026 | const_iv (ASN_OCTET_STRING) |
759 | { "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER }, |
1027 | const_iv (ASN_NULL) |
760 | { "ASN_TAG_BER", ASN_TAG_BER }, |
1028 | const_iv (ASN_OBJECT_IDENTIFIER) |
761 | { "ASN_TAG_MASK", ASN_TAG_MASK }, |
1029 | const_iv (ASN_OBJECT_DESCRIPTOR) |
762 | { "ASN_CONSTRUCTED", ASN_CONSTRUCTED }, |
1030 | const_iv (ASN_OID) |
763 | { "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT }, |
1031 | const_iv (ASN_EXTERNAL) |
764 | { "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT }, |
1032 | const_iv (ASN_REAL) |
765 | { "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT }, |
1033 | const_iv (ASN_SEQUENCE) |
766 | { "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT }, |
1034 | const_iv (ASN_ENUMERATED) |
767 | { "ASN_CLASS_MASK", ASN_CLASS_MASK }, |
1035 | const_iv (ASN_EMBEDDED_PDV) |
768 | { "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT }, |
1036 | const_iv (ASN_UTF8_STRING) |
769 | { "ASN_SEQUENCE", ASN_SEQUENCE }, |
1037 | const_iv (ASN_RELATIVE_OID) |
770 | { "SNMP_IPADDRESS", SNMP_IPADDRESS }, |
1038 | const_iv (ASN_SET) |
771 | { "SNMP_COUNTER32", SNMP_COUNTER32 }, |
1039 | const_iv (ASN_NUMERIC_STRING) |
772 | { "SNMP_UNSIGNED32", SNMP_UNSIGNED32 }, |
1040 | const_iv (ASN_PRINTABLE_STRING) |
773 | { "SNMP_TIMETICKS", SNMP_TIMETICKS }, |
1041 | const_iv (ASN_TELETEX_STRING) |
774 | { "SNMP_OPAQUE", SNMP_OPAQUE }, |
1042 | const_iv (ASN_T61_STRING) |
775 | { "SNMP_COUNTER64", SNMP_COUNTER64 }, |
1043 | const_iv (ASN_VIDEOTEX_STRING) |
|
|
1044 | const_iv (ASN_IA5_STRING) |
|
|
1045 | const_iv (ASN_ASCII_STRING) |
|
|
1046 | const_iv (ASN_UTC_TIME) |
|
|
1047 | const_iv (ASN_GENERALIZED_TIME) |
|
|
1048 | const_iv (ASN_GRAPHIC_STRING) |
|
|
1049 | const_iv (ASN_VISIBLE_STRING) |
|
|
1050 | const_iv (ASN_ISO646_STRING) |
|
|
1051 | const_iv (ASN_GENERAL_STRING) |
|
|
1052 | const_iv (ASN_UNIVERSAL_STRING) |
|
|
1053 | const_iv (ASN_CHARACTER_STRING) |
|
|
1054 | const_iv (ASN_BMP_STRING) |
776 | |
1055 | |
777 | { "BER_CLASS" , BER_CLASS }, |
1056 | const_iv (ASN_UNIVERSAL) |
778 | { "BER_TAG" , BER_TAG }, |
1057 | const_iv (ASN_APPLICATION) |
779 | { "BER_CONSTRUCTED", BER_CONSTRUCTED }, |
1058 | const_iv (ASN_CONTEXT) |
780 | { "BER_DATA" , BER_DATA }, |
1059 | const_iv (ASN_PRIVATE) |
|
|
1060 | |
|
|
1061 | const_iv (BER_CLASS) |
|
|
1062 | const_iv (BER_TAG) |
|
|
1063 | const_iv (BER_FLAGS) |
|
|
1064 | const_iv (BER_DATA) |
|
|
1065 | |
|
|
1066 | const_iv (BER_TYPE_BYTES) |
|
|
1067 | const_iv (BER_TYPE_UTF8) |
|
|
1068 | const_iv (BER_TYPE_UCS2) |
|
|
1069 | const_iv (BER_TYPE_UCS4) |
|
|
1070 | const_iv (BER_TYPE_INT) |
|
|
1071 | const_iv (BER_TYPE_OID) |
|
|
1072 | const_iv (BER_TYPE_RELOID) |
|
|
1073 | const_iv (BER_TYPE_NULL) |
|
|
1074 | const_iv (BER_TYPE_BOOL) |
|
|
1075 | const_iv (BER_TYPE_REAL) |
|
|
1076 | const_iv (BER_TYPE_IPADDRESS) |
|
|
1077 | const_iv (BER_TYPE_CROAK) |
|
|
1078 | |
|
|
1079 | const_iv (SNMP_IPADDRESS) |
|
|
1080 | const_iv (SNMP_COUNTER32) |
|
|
1081 | const_iv (SNMP_GAUGE32) |
|
|
1082 | const_iv (SNMP_UNSIGNED32) |
|
|
1083 | const_iv (SNMP_TIMETICKS) |
|
|
1084 | const_iv (SNMP_OPAQUE) |
|
|
1085 | const_iv (SNMP_COUNTER64) |
781 | }; |
1086 | }; |
782 | |
1087 | |
783 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1088 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
784 | newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1089 | newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
785 | } |
1090 | } |
786 | |
1091 | |
787 | SV * |
1092 | void |
788 | ber_decode (SV *ber) |
1093 | ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
|
|
1094 | ALIAS: |
|
|
1095 | ber_decode_prefix = 1 |
789 | CODE: |
1096 | PPCODE: |
790 | { |
1097 | { |
|
|
1098 | cur_profile = SvPROFILE (profile); |
791 | STRLEN len; |
1099 | STRLEN len; |
792 | |
|
|
793 | buf = SvPVbyte (ber, len); |
1100 | buf = (U8 *)SvPVbyte (ber, len); |
794 | cur = buf; |
1101 | cur = buf; |
795 | end = buf + len; |
1102 | end = buf + len; |
796 | |
1103 | |
797 | RETVAL = decode_ber (); |
1104 | SV *tuple = decode_ber (); |
|
|
1105 | |
|
|
1106 | EXTEND (SP, 2); |
|
|
1107 | PUSHs (sv_2mortal (tuple)); |
|
|
1108 | |
|
|
1109 | if (ix) |
|
|
1110 | PUSHs (sv_2mortal (newSViv (cur - buf))); |
|
|
1111 | else if (cur != end) |
|
|
1112 | error ("trailing garbage after BER data"); |
798 | } |
1113 | } |
799 | OUTPUT: RETVAL |
|
|
800 | |
1114 | |
801 | void |
1115 | void |
802 | ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *constructed = &PL_sv_undef, SV *data = &PL_sv_undef) |
1116 | ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *flags = &PL_sv_undef, SV *data = &PL_sv_undef) |
803 | PROTOTYPE: $;$$$ |
|
|
804 | PPCODE: |
1117 | PPCODE: |
805 | { |
1118 | { |
806 | if (!SvOK (tuple)) |
1119 | if (!SvOK (tuple)) |
807 | XSRETURN_NO; |
1120 | XSRETURN_NO; |
808 | |
1121 | |
809 | if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
1122 | if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
810 | croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
1123 | croak ("ber_is: tuple must be BER tuple (array-ref)"); |
811 | |
1124 | |
812 | AV *av = (AV *)SvRV (tuple); |
1125 | AV *av = (AV *)SvRV (tuple); |
813 | |
1126 | |
814 | XPUSHs ( |
1127 | XPUSHs ( |
815 | (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass)) |
1128 | (!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass)) |
816 | && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
1129 | && (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
817 | && (!SvOK (constructed) || !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed)) |
1130 | && (!SvOK (flags) || !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags)) |
818 | && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
1131 | && (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
819 | ? &PL_sv_yes : &PL_sv_no); |
1132 | ? &PL_sv_yes : &PL_sv_undef); |
820 | } |
1133 | } |
821 | |
1134 | |
822 | void |
1135 | void |
823 | ber_is_seq (SV *tuple) |
1136 | ber_is_seq (SV *tuple) |
824 | PPCODE: |
1137 | PPCODE: |
825 | { |
1138 | { |
826 | if (!SvOK (tuple)) |
1139 | if (!SvOK (tuple)) |
827 | XSRETURN_UNDEF; |
1140 | XSRETURN_UNDEF; |
828 | |
1141 | |
829 | if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
1142 | AV *av = ber_tuple (tuple); |
830 | croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
|
|
831 | |
|
|
832 | AV *av = (AV *)SvRV (tuple); |
|
|
833 | |
1143 | |
834 | XPUSHs ( |
1144 | XPUSHs ( |
835 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1145 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
836 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
1146 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
837 | && SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1147 | && SvIV (AvARRAY (av)[BER_FLAGS]) |
838 | ? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
1148 | ? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
839 | } |
1149 | } |
840 | |
1150 | |
841 | void |
1151 | void |
842 | ber_is_i32 (SV *tuple, IV value) |
1152 | ber_is_int (SV *tuple, SV *value = &PL_sv_undef) |
843 | PPCODE: |
1153 | PPCODE: |
844 | { |
1154 | { |
845 | if (!SvOK (tuple)) |
1155 | if (!SvOK (tuple)) |
846 | XSRETURN_NO; |
1156 | XSRETURN_NO; |
847 | |
1157 | |
848 | if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
1158 | AV *av = ber_tuple (tuple); |
849 | croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
|
|
850 | |
1159 | |
851 | AV *av = (AV *)SvRV (tuple); |
1160 | UV data = SvUV (AvARRAY (av)[BER_DATA]); |
852 | |
1161 | |
853 | XPUSHs ( |
1162 | XPUSHs ( |
854 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1163 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
855 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32 |
1164 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER |
856 | && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1165 | && !SvIV (AvARRAY (av)[BER_FLAGS]) |
857 | && SvIV (AvARRAY (av)[BER_DATA ]) == value |
1166 | && (!SvOK (value) || data == SvUV (value)) |
858 | ? &PL_sv_yes : &PL_sv_no); |
1167 | ? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0)) |
|
|
1168 | : &PL_sv_undef); |
859 | } |
1169 | } |
860 | |
1170 | |
861 | void |
1171 | void |
862 | ber_is_oid (SV *tuple, SV *oid) |
1172 | ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) |
863 | PPCODE: |
1173 | PPCODE: |
864 | { |
1174 | { |
865 | if (!SvOK (tuple)) |
1175 | if (!SvOK (tuple)) |
866 | XSRETURN_NO; |
1176 | XSRETURN_NO; |
867 | |
1177 | |
868 | if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
1178 | AV *av = ber_tuple (tuple); |
869 | croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
|
|
870 | |
|
|
871 | AV *av = (AV *)SvRV (tuple); |
|
|
872 | |
1179 | |
873 | XPUSHs ( |
1180 | XPUSHs ( |
874 | SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1181 | SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
875 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
1182 | && SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
876 | && !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1183 | && !SvIV (AvARRAY (av)[BER_FLAGS]) |
877 | && sv_eq (AvARRAY (av)[BER_DATA], oid) |
1184 | && (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) |
878 | ? &PL_sv_yes : &PL_sv_no); |
1185 | ? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); |
879 | } |
1186 | } |
880 | |
1187 | |
881 | ############################################################################# |
1188 | ############################################################################# |
882 | |
1189 | |
883 | void |
1190 | void |
884 | ber_encode (SV *tuple) |
1191 | ber_encode (SV *tuple, SV *profile = &PL_sv_undef) |
885 | PPCODE: |
1192 | PPCODE: |
886 | { |
1193 | { |
|
|
1194 | cur_profile = SvPROFILE (profile); |
887 | buf_sv = sv_2mortal (NEWSV (0, 256)); |
1195 | buf_sv = sv_2mortal (NEWSV (0, 256)); |
888 | SvPOK_only (buf_sv); |
1196 | SvPOK_only (buf_sv); |
889 | set_buf (buf_sv); |
1197 | set_buf (buf_sv); |
890 | |
1198 | |
891 | encode_ber (tuple); |
1199 | encode_ber (tuple); |
892 | |
1200 | |
893 | SvCUR_set (buf_sv, cur - buf); |
1201 | SvCUR_set (buf_sv, cur - buf); |
894 | XPUSHs (buf_sv); |
1202 | XPUSHs (buf_sv); |
895 | } |
1203 | } |
896 | |
1204 | |
|
|
1205 | SV * |
|
|
1206 | ber_int (SV *sv) |
|
|
1207 | CODE: |
|
|
1208 | { |
|
|
1209 | AV *av = newAV (); |
|
|
1210 | av_fill (av, BER_ARRAYSIZE - 1); |
|
|
1211 | AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
|
|
1212 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER); |
|
|
1213 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (0); |
|
|
1214 | AvARRAY (av)[BER_DATA ] = newSVsv (sv); |
|
|
1215 | RETVAL = newRV_noinc ((SV *)av); |
|
|
1216 | } |
|
|
1217 | OUTPUT: RETVAL |
|
|
1218 | |
|
|
1219 | # TODO: not arrayref, but elements? |
|
|
1220 | SV * |
|
|
1221 | ber_seq (SV *arrayref) |
|
|
1222 | CODE: |
|
|
1223 | { |
|
|
1224 | AV *av = newAV (); |
|
|
1225 | av_fill (av, BER_ARRAYSIZE - 1); |
|
|
1226 | AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
|
|
1227 | AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); |
|
|
1228 | AvARRAY (av)[BER_FLAGS] = newSVcacheint (1); |
|
|
1229 | AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); |
|
|
1230 | RETVAL = newRV_noinc ((SV *)av); |
|
|
1231 | } |
|
|
1232 | OUTPUT: RETVAL |
|
|
1233 | |
|
|
1234 | MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile |
|
|
1235 | |
|
|
1236 | SV * |
|
|
1237 | new (SV *klass) |
|
|
1238 | CODE: |
|
|
1239 | RETVAL = profile_new (); |
|
|
1240 | OUTPUT: RETVAL |
|
|
1241 | |
|
|
1242 | void |
|
|
1243 | set (SV *profile, int klass, int tag, int type) |
|
|
1244 | CODE: |
|
|
1245 | profile_set (SvPROFILE (profile), klass, tag, type); |
|
|
1246 | |
|
|
1247 | IV |
|
|
1248 | get (SV *profile, int klass, int tag) |
|
|
1249 | CODE: |
|
|
1250 | RETVAL = profile_lookup (SvPROFILE (profile), klass, tag); |
|
|
1251 | OUTPUT: RETVAL |
|
|
1252 | |
|
|
1253 | void |
|
|
1254 | _set_default (SV *profile) |
|
|
1255 | CODE: |
|
|
1256 | default_profile = SvPROFILE (profile); |
|
|
1257 | |
|
|
1258 | |