]>
Commit | Line | Data |
---|---|---|
1bdbdaff P |
1 | /* |
2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. | |
4 | * | |
5 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
6 | * this file except in compliance with the License. You can obtain a copy | |
7 | * in the file LICENSE in the source distribution or at | |
8 | * https://www.openssl.org/source/license.html | |
9 | */ | |
10 | ||
11 | #include <string.h> | |
12 | #include <stdio.h> | |
13 | #include <stdarg.h> | |
14 | #include <openssl/err.h> | |
15 | #include "internal/propertyerr.h" | |
16 | #include "internal/property.h" | |
17 | #include "internal/ctype.h" | |
18 | #include "internal/nelem.h" | |
19 | #include "property_lcl.h" | |
20 | #include "e_os.h" | |
21 | ||
22 | typedef enum { | |
23 | PROPERTY_TYPE_STRING, PROPERTY_TYPE_NUMBER, | |
24 | PROPERTY_TYPE_VALUE_UNDEFINED | |
25 | } PROPERTY_TYPE; | |
26 | ||
27 | typedef enum { | |
28 | PROPERTY_OPER_EQ, PROPERTY_OPER_NE, PROPERTY_OVERRIDE | |
29 | } PROPERTY_OPER; | |
30 | ||
31 | typedef struct { | |
32 | OSSL_PROPERTY_IDX name_idx; | |
33 | PROPERTY_TYPE type; | |
34 | PROPERTY_OPER oper; | |
da89ac0b | 35 | unsigned int optional : 1; |
1bdbdaff P |
36 | union { |
37 | int64_t int_val; /* Signed integer */ | |
38 | OSSL_PROPERTY_IDX str_val; /* String */ | |
39 | } v; | |
40 | } PROPERTY_DEFINITION; | |
41 | ||
42 | struct ossl_property_list_st { | |
43 | int n; | |
da89ac0b | 44 | unsigned int has_optional : 1; |
1bdbdaff P |
45 | PROPERTY_DEFINITION properties[1]; |
46 | }; | |
47 | ||
48 | static OSSL_PROPERTY_IDX ossl_property_true, ossl_property_false; | |
49 | ||
50 | DEFINE_STACK_OF(PROPERTY_DEFINITION) | |
51 | ||
52 | static const char *skip_space(const char *s) | |
53 | { | |
54 | while (ossl_isspace(*s)) | |
55 | s++; | |
56 | return s; | |
57 | } | |
58 | ||
59 | static int match_ch(const char *t[], char m) | |
60 | { | |
61 | const char *s = *t; | |
62 | ||
63 | if (*s == m) { | |
64 | *t = skip_space(s + 1); | |
65 | return 1; | |
66 | } | |
67 | return 0; | |
68 | } | |
69 | ||
70 | #define MATCH(s, m) match(s, m, sizeof(m) - 1) | |
71 | ||
72 | static int match(const char *t[], const char m[], size_t m_len) | |
73 | { | |
74 | const char *s = *t; | |
75 | ||
76 | if (strncasecmp(s, m, m_len) == 0) { | |
77 | *t = skip_space(s + m_len); | |
78 | return 1; | |
79 | } | |
80 | return 0; | |
81 | } | |
82 | ||
1aedc35f MC |
83 | static int parse_name(OPENSSL_CTX *ctx, const char *t[], int create, |
84 | OSSL_PROPERTY_IDX *idx) | |
1bdbdaff P |
85 | { |
86 | char name[100]; | |
87 | int err = 0; | |
88 | size_t i = 0; | |
89 | const char *s = *t; | |
90 | int user_name = 0; | |
91 | ||
92 | for (;;) { | |
93 | if (!ossl_isalpha(*s)) { | |
94 | PROPerr(PROP_F_PARSE_NAME, PROP_R_NOT_AN_IDENTIFIER); | |
95 | return 0; | |
96 | } | |
97 | do { | |
98 | if (i < sizeof(name) - 1) | |
99 | name[i++] = ossl_tolower(*s); | |
100 | else | |
101 | err = 1; | |
102 | } while (*++s == '_' || ossl_isalnum(*s)); | |
103 | if (*s != '.') | |
104 | break; | |
105 | user_name = 1; | |
106 | if (i < sizeof(name) - 1) | |
107 | name[i++] = *s; | |
108 | else | |
109 | err = 1; | |
110 | s++; | |
111 | } | |
112 | name[i] = '\0'; | |
113 | *t = skip_space(s); | |
114 | if (!err) { | |
1aedc35f | 115 | *idx = ossl_property_name(ctx, name, user_name && create); |
1bdbdaff P |
116 | return 1; |
117 | } | |
118 | PROPerr(PROP_F_PARSE_NAME, PROP_R_NAME_TOO_LONG); | |
119 | return 0; | |
120 | } | |
121 | ||
122 | static int parse_number(const char *t[], PROPERTY_DEFINITION *res) | |
123 | { | |
124 | const char *s = *t; | |
125 | int64_t v = 0; | |
126 | ||
127 | if (!ossl_isdigit(*s)) | |
128 | return 0; | |
129 | do { | |
130 | v = v * 10 + (*s++ - '0'); | |
131 | } while (ossl_isdigit(*s)); | |
132 | if (!ossl_isspace(*s) && *s != '\0' && *s != ',') { | |
133 | PROPerr(PROP_F_PARSE_NUMBER, PROP_R_NOT_A_DECIMAL_DIGIT); | |
134 | return 0; | |
135 | } | |
136 | *t = skip_space(s); | |
137 | res->type = PROPERTY_TYPE_NUMBER; | |
138 | res->v.int_val = v; | |
139 | return 1; | |
140 | } | |
141 | ||
142 | static int parse_hex(const char *t[], PROPERTY_DEFINITION *res) | |
143 | { | |
144 | const char *s = *t; | |
145 | int64_t v = 0; | |
146 | ||
147 | if (!ossl_isxdigit(*s)) | |
148 | return 0; | |
149 | do { | |
150 | v <<= 4; | |
151 | if (ossl_isdigit(*s)) | |
152 | v += *s - '0'; | |
153 | else | |
154 | v += ossl_tolower(*s) - 'a'; | |
155 | } while (ossl_isxdigit(*++s)); | |
156 | if (!ossl_isspace(*s) && *s != '\0' && *s != ',') { | |
157 | PROPerr(PROP_F_PARSE_HEX, PROP_R_NOT_AN_HEXADECIMAL_DIGIT); | |
158 | return 0; | |
159 | } | |
160 | *t = skip_space(s); | |
161 | res->type = PROPERTY_TYPE_NUMBER; | |
162 | res->v.int_val = v; | |
163 | return 1; | |
164 | } | |
165 | ||
166 | static int parse_oct(const char *t[], PROPERTY_DEFINITION *res) | |
167 | { | |
168 | const char *s = *t; | |
169 | int64_t v = 0; | |
170 | ||
171 | if (*s == '9' || *s == '8' || !ossl_isdigit(*s)) | |
172 | return 0; | |
173 | do { | |
174 | v = (v << 3) + (*s - '0'); | |
175 | } while (ossl_isdigit(*++s) && *s != '9' && *s != '8'); | |
176 | if (!ossl_isspace(*s) && *s != '\0' && *s != ',') { | |
177 | PROPerr(PROP_F_PARSE_OCT, PROP_R_NOT_AN_OCTAL_DIGIT); | |
178 | return 0; | |
179 | } | |
180 | *t = skip_space(s); | |
181 | res->type = PROPERTY_TYPE_NUMBER; | |
182 | res->v.int_val = v; | |
183 | return 1; | |
184 | } | |
185 | ||
1aedc35f MC |
186 | static int parse_string(OPENSSL_CTX *ctx, const char *t[], char delim, |
187 | PROPERTY_DEFINITION *res, const int create) | |
1bdbdaff P |
188 | { |
189 | char v[1000]; | |
190 | const char *s = *t; | |
191 | size_t i = 0; | |
192 | int err = 0; | |
193 | ||
194 | while (*s != '\0' && *s != delim) { | |
195 | if (i < sizeof(v) - 1) | |
196 | v[i++] = *s; | |
197 | else | |
198 | err = 1; | |
199 | s++; | |
200 | } | |
201 | if (*s == '\0') { | |
202 | PROPerr(PROP_F_PARSE_STRING, | |
203 | PROP_R_NO_MATCHING_STRING_DELIMETER); | |
204 | return 0; | |
205 | } | |
206 | v[i] = '\0'; | |
207 | *t = skip_space(s + 1); | |
208 | if (err) | |
209 | PROPerr(PROP_F_PARSE_STRING, PROP_R_STRING_TOO_LONG); | |
210 | else | |
1aedc35f | 211 | res->v.str_val = ossl_property_value(ctx, v, create); |
1bdbdaff P |
212 | res->type = PROPERTY_TYPE_STRING; |
213 | return !err; | |
214 | } | |
215 | ||
1aedc35f MC |
216 | static int parse_unquoted(OPENSSL_CTX *ctx, const char *t[], |
217 | PROPERTY_DEFINITION *res, const int create) | |
1bdbdaff P |
218 | { |
219 | char v[1000]; | |
220 | const char *s = *t; | |
221 | size_t i = 0; | |
222 | int err = 0; | |
223 | ||
224 | if (*s == '\0' || *s == ',') | |
225 | return 0; | |
226 | while (ossl_isprint(*s) && !ossl_isspace(*s) && *s != ',') { | |
227 | if (i < sizeof(v) - 1) | |
228 | v[i++] = ossl_tolower(*s); | |
229 | else | |
230 | err = 1; | |
231 | s++; | |
232 | } | |
233 | if (!ossl_isspace(*s) && *s != '\0' && *s != ',') { | |
234 | PROPerr(PROP_F_PARSE_UNQUOTED, PROP_R_NOT_AN_ASCII_CHARACTER); | |
235 | return 0; | |
236 | } | |
237 | v[i] = 0; | |
238 | *t = skip_space(s); | |
239 | if (err) | |
240 | PROPerr(PROP_F_PARSE_UNQUOTED, PROP_R_STRING_TOO_LONG); | |
241 | else | |
1aedc35f | 242 | res->v.str_val = ossl_property_value(ctx, v, create); |
1bdbdaff P |
243 | res->type = PROPERTY_TYPE_STRING; |
244 | return !err; | |
245 | } | |
246 | ||
1aedc35f MC |
247 | static int parse_value(OPENSSL_CTX *ctx, const char *t[], |
248 | PROPERTY_DEFINITION *res, int create) | |
1bdbdaff P |
249 | { |
250 | const char *s = *t; | |
251 | int r = 0; | |
252 | ||
253 | if (*s == '"' || *s == '\'') { | |
254 | s++; | |
1aedc35f | 255 | r = parse_string(ctx, &s, s[-1], res, create); |
1bdbdaff P |
256 | } else if (*s == '+') { |
257 | s++; | |
258 | r = parse_number(&s, res); | |
259 | } else if (*s == '-') { | |
260 | s++; | |
261 | r = parse_number(&s, res); | |
262 | res->v.int_val = -res->v.int_val; | |
263 | } else if (*s == '0' && s[1] == 'x') { | |
264 | s += 2; | |
265 | r = parse_hex(&s, res); | |
266 | } else if (*s == '0' && ossl_isdigit(s[1])) { | |
267 | s++; | |
268 | r = parse_oct(&s, res); | |
269 | } else if (ossl_isdigit(*s)) { | |
270 | return parse_number(t, res); | |
271 | } else if (ossl_isalpha(*s)) | |
1aedc35f | 272 | return parse_unquoted(ctx, t, res, create); |
1bdbdaff P |
273 | if (r) |
274 | *t = s; | |
275 | return r; | |
276 | } | |
277 | ||
278 | static int pd_compare(const PROPERTY_DEFINITION *const *p1, | |
279 | const PROPERTY_DEFINITION *const *p2) | |
280 | { | |
281 | const PROPERTY_DEFINITION *pd1 = *p1; | |
282 | const PROPERTY_DEFINITION *pd2 = *p2; | |
283 | ||
284 | if (pd1->name_idx < pd2->name_idx) | |
285 | return -1; | |
286 | if (pd1->name_idx > pd2->name_idx) | |
287 | return 1; | |
288 | return 0; | |
289 | } | |
290 | ||
291 | static void pd_free(PROPERTY_DEFINITION *pd) | |
292 | { | |
293 | OPENSSL_free(pd); | |
294 | } | |
295 | ||
296 | /* | |
297 | * Convert a stack of property definitions and queries into a fixed array. | |
298 | * The items are sorted for efficient query. The stack is not freed. | |
299 | */ | |
300 | static OSSL_PROPERTY_LIST *stack_to_property_list(STACK_OF(PROPERTY_DEFINITION) | |
301 | *sk) | |
302 | { | |
303 | const int n = sk_PROPERTY_DEFINITION_num(sk); | |
304 | OSSL_PROPERTY_LIST *r; | |
305 | int i; | |
306 | ||
307 | r = OPENSSL_malloc(sizeof(*r) | |
71d1b229 | 308 | + (n <= 0 ? 0 : n - 1) * sizeof(r->properties[0])); |
1bdbdaff P |
309 | if (r != NULL) { |
310 | sk_PROPERTY_DEFINITION_sort(sk); | |
311 | ||
da89ac0b P |
312 | r->has_optional = 0; |
313 | for (i = 0; i < n; i++) { | |
1bdbdaff | 314 | r->properties[i] = *sk_PROPERTY_DEFINITION_value(sk, i); |
da89ac0b P |
315 | r->has_optional |= r->properties[i].optional; |
316 | } | |
1bdbdaff P |
317 | r->n = n; |
318 | } | |
319 | return r; | |
320 | } | |
321 | ||
1aedc35f | 322 | OSSL_PROPERTY_LIST *ossl_parse_property(OPENSSL_CTX *ctx, const char *defn) |
1bdbdaff P |
323 | { |
324 | PROPERTY_DEFINITION *prop = NULL; | |
325 | OSSL_PROPERTY_LIST *res = NULL; | |
326 | STACK_OF(PROPERTY_DEFINITION) *sk; | |
327 | const char *s = defn; | |
328 | int done; | |
329 | ||
330 | if (s == NULL || (sk = sk_PROPERTY_DEFINITION_new(&pd_compare)) == NULL) | |
331 | return NULL; | |
332 | ||
333 | s = skip_space(s); | |
334 | done = *s == '\0'; | |
335 | while (!done) { | |
336 | prop = OPENSSL_malloc(sizeof(*prop)); | |
337 | if (prop == NULL) | |
338 | goto err; | |
339 | memset(&prop->v, 0, sizeof(prop->v)); | |
da89ac0b | 340 | prop->optional = 0; |
1aedc35f | 341 | if (!parse_name(ctx, &s, 1, &prop->name_idx)) |
1bdbdaff P |
342 | goto err; |
343 | prop->oper = PROPERTY_OPER_EQ; | |
344 | if (prop->name_idx == 0) { | |
345 | PROPerr(PROP_F_OSSL_PARSE_PROPERTY, PROP_R_PARSE_FAILED); | |
346 | goto err; | |
347 | } | |
348 | if (match_ch(&s, '=')) { | |
1aedc35f | 349 | if (!parse_value(ctx, &s, prop, 1)) { |
1bdbdaff P |
350 | PROPerr(PROP_F_OSSL_PARSE_PROPERTY, PROP_R_NO_VALUE); |
351 | goto err; | |
352 | } | |
353 | } else { | |
354 | /* A name alone means a true Boolean */ | |
355 | prop->type = PROPERTY_TYPE_STRING; | |
356 | prop->v.str_val = ossl_property_true; | |
357 | } | |
358 | ||
359 | if (!sk_PROPERTY_DEFINITION_push(sk, prop)) | |
360 | goto err; | |
361 | prop = NULL; | |
362 | done = !match_ch(&s, ','); | |
363 | } | |
364 | if (*s != '\0') { | |
365 | PROPerr(PROP_F_OSSL_PARSE_PROPERTY, PROP_R_TRAILING_CHARACTERS); | |
366 | goto err; | |
367 | } | |
368 | res = stack_to_property_list(sk); | |
369 | ||
370 | err: | |
371 | OPENSSL_free(prop); | |
372 | sk_PROPERTY_DEFINITION_pop_free(sk, &pd_free); | |
373 | return res; | |
374 | } | |
375 | ||
1aedc35f | 376 | OSSL_PROPERTY_LIST *ossl_parse_query(OPENSSL_CTX *ctx, const char *s) |
1bdbdaff P |
377 | { |
378 | STACK_OF(PROPERTY_DEFINITION) *sk; | |
379 | OSSL_PROPERTY_LIST *res = NULL; | |
380 | PROPERTY_DEFINITION *prop = NULL; | |
381 | int done; | |
382 | ||
383 | if (s == NULL || (sk = sk_PROPERTY_DEFINITION_new(&pd_compare)) == NULL) | |
384 | return NULL; | |
385 | ||
386 | s = skip_space(s); | |
387 | done = *s == '\0'; | |
388 | while (!done) { | |
389 | prop = OPENSSL_malloc(sizeof(*prop)); | |
390 | if (prop == NULL) | |
391 | goto err; | |
392 | memset(&prop->v, 0, sizeof(prop->v)); | |
393 | ||
394 | if (match_ch(&s, '-')) { | |
395 | prop->oper = PROPERTY_OVERRIDE; | |
da89ac0b | 396 | prop->optional = 0; |
1aedc35f | 397 | if (!parse_name(ctx, &s, 0, &prop->name_idx)) |
1bdbdaff P |
398 | goto err; |
399 | goto skip_value; | |
400 | } | |
da89ac0b | 401 | prop->optional = match_ch(&s, '?'); |
1aedc35f | 402 | if (!parse_name(ctx, &s, 0, &prop->name_idx)) |
1bdbdaff P |
403 | goto err; |
404 | ||
405 | if (match_ch(&s, '=')) { | |
406 | prop->oper = PROPERTY_OPER_EQ; | |
407 | } else if (MATCH(&s, "!=")) { | |
408 | prop->oper = PROPERTY_OPER_NE; | |
409 | } else { | |
410 | /* A name alone is a Boolean comparison for true */ | |
411 | prop->oper = PROPERTY_OPER_EQ; | |
412 | prop->type = PROPERTY_TYPE_STRING; | |
413 | prop->v.str_val = ossl_property_true; | |
414 | goto skip_value; | |
415 | } | |
1aedc35f | 416 | if (!parse_value(ctx, &s, prop, 0)) |
1bdbdaff P |
417 | prop->type = PROPERTY_TYPE_VALUE_UNDEFINED; |
418 | ||
419 | skip_value: | |
420 | if (!sk_PROPERTY_DEFINITION_push(sk, prop)) | |
421 | goto err; | |
422 | prop = NULL; | |
423 | done = !match_ch(&s, ','); | |
424 | } | |
425 | if (*s != '\0') { | |
426 | PROPerr(PROP_F_OSSL_PARSE_QUERY, PROP_R_TRAILING_CHARACTERS); | |
427 | goto err; | |
428 | } | |
429 | res = stack_to_property_list(sk); | |
430 | ||
431 | err: | |
432 | OPENSSL_free(prop); | |
433 | sk_PROPERTY_DEFINITION_pop_free(sk, &pd_free); | |
434 | return res; | |
435 | } | |
436 | ||
da89ac0b P |
437 | /* Does a property query have any optional clauses */ |
438 | int ossl_property_has_optional(const OSSL_PROPERTY_LIST *query) | |
439 | { | |
440 | return query->has_optional ? 1 : 0; | |
441 | } | |
442 | ||
443 | /* | |
444 | * Compare a query against a definition. | |
445 | * Return the number of clauses matched or -1 if a mandatory clause is false. | |
446 | */ | |
447 | int ossl_property_match_count(const OSSL_PROPERTY_LIST *query, | |
448 | const OSSL_PROPERTY_LIST *defn) | |
1bdbdaff P |
449 | { |
450 | const PROPERTY_DEFINITION *const q = query->properties; | |
451 | const PROPERTY_DEFINITION *const d = defn->properties; | |
da89ac0b | 452 | int i = 0, j = 0, matches = 0; |
1bdbdaff P |
453 | PROPERTY_OPER oper; |
454 | ||
455 | while (i < query->n) { | |
456 | if ((oper = q[i].oper) == PROPERTY_OVERRIDE) { | |
457 | i++; | |
458 | continue; | |
459 | } | |
460 | if (j < defn->n) { | |
461 | if (q[i].name_idx > d[j].name_idx) { /* skip defn, not in query */ | |
462 | j++; | |
463 | continue; | |
464 | } | |
465 | if (q[i].name_idx == d[j].name_idx) { /* both in defn and query */ | |
466 | const int eq = q[i].type == d[j].type | |
467 | && memcmp(&q[i].v, &d[j].v, sizeof(q[i].v)) == 0; | |
468 | ||
da89ac0b P |
469 | if ((eq && oper == PROPERTY_OPER_EQ) |
470 | || (!eq && oper == PROPERTY_OPER_NE)) | |
471 | matches++; | |
472 | else if (!q[i].optional) | |
473 | return -1; | |
1bdbdaff P |
474 | i++; |
475 | j++; | |
476 | continue; | |
477 | } | |
478 | } | |
479 | ||
480 | /* | |
481 | * Handle the cases of a missing value and a query with no corresponding | |
482 | * definition. The former fails for any comparision except inequality, | |
483 | * the latter is treated as a comparison against the Boolean false. | |
484 | */ | |
485 | if (q[i].type == PROPERTY_TYPE_VALUE_UNDEFINED) { | |
da89ac0b P |
486 | if (oper == PROPERTY_OPER_NE) |
487 | matches++; | |
488 | else if (!q[i].optional) | |
489 | return -1; | |
1bdbdaff P |
490 | } else if (q[i].type != PROPERTY_TYPE_STRING |
491 | || (oper == PROPERTY_OPER_EQ | |
492 | && q[i].v.str_val != ossl_property_false) | |
493 | || (oper == PROPERTY_OPER_NE | |
494 | && q[i].v.str_val == ossl_property_false)) { | |
da89ac0b P |
495 | if (!q[i].optional) |
496 | return -1; | |
497 | } else { | |
498 | matches++; | |
1bdbdaff P |
499 | } |
500 | i++; | |
501 | } | |
da89ac0b | 502 | return matches; |
1bdbdaff P |
503 | } |
504 | ||
505 | void ossl_property_free(OSSL_PROPERTY_LIST *p) | |
506 | { | |
507 | OPENSSL_free(p); | |
508 | } | |
509 | ||
510 | /* | |
511 | * Merge two property lists. | |
512 | * If there is a common name, the one from the first list is used. | |
513 | */ | |
514 | OSSL_PROPERTY_LIST *ossl_property_merge(const OSSL_PROPERTY_LIST *a, | |
515 | const OSSL_PROPERTY_LIST *b) | |
516 | { | |
517 | const PROPERTY_DEFINITION *const ap = a->properties; | |
518 | const PROPERTY_DEFINITION *const bp = b->properties; | |
519 | const PROPERTY_DEFINITION *copy; | |
520 | OSSL_PROPERTY_LIST *r; | |
521 | int i, j, n; | |
522 | const int t = a->n + b->n; | |
523 | ||
524 | r = OPENSSL_malloc(sizeof(*r) | |
525 | + (t == 0 ? 0 : t - 1) * sizeof(r->properties[0])); | |
526 | if (r == NULL) | |
527 | return NULL; | |
528 | ||
529 | for (i = j = n = 0; i < a->n || j < b->n; n++) { | |
530 | if (i >= a->n) { | |
531 | copy = &bp[j++]; | |
532 | } else if (j >= b->n) { | |
533 | copy = &ap[i++]; | |
534 | } else if (ap[i].name_idx <= bp[j].name_idx) { | |
535 | if (ap[i].name_idx == bp[j].name_idx) | |
536 | j++; | |
537 | copy = &ap[i++]; | |
538 | } else { | |
539 | copy = &bp[j++]; | |
540 | } | |
541 | memcpy(r->properties + n, copy, sizeof(r->properties[0])); | |
542 | } | |
543 | r->n = n; | |
544 | if (n != t) | |
545 | r = OPENSSL_realloc(r, sizeof(*r) + (n - 1) * sizeof(r->properties[0])); | |
546 | return r; | |
547 | } | |
548 | ||
1aedc35f | 549 | int ossl_property_parse_init(OPENSSL_CTX *ctx) |
1bdbdaff P |
550 | { |
551 | static const char *const predefined_names[] = { | |
552 | "default", /* Being provided by the default built-in provider */ | |
d0308923 | 553 | "legacy", /* Provided by the legacy provider */ |
1bdbdaff P |
554 | "provider", /* Name of provider (default, fips) */ |
555 | "version", /* Version number of this provider */ | |
556 | "fips", /* FIPS supporting provider */ | |
557 | "engine", /* An old style engine masquerading as a provider */ | |
558 | }; | |
559 | size_t i; | |
560 | ||
561 | for (i = 0; i < OSSL_NELEM(predefined_names); i++) | |
1aedc35f | 562 | if (ossl_property_name(ctx, predefined_names[i], 1) == 0) |
1bdbdaff P |
563 | goto err; |
564 | ||
565 | /* Pre-populate the two Boolean values */ | |
1aedc35f MC |
566 | if ((ossl_property_true = ossl_property_value(ctx, "yes", 1)) == 0 |
567 | || (ossl_property_false = ossl_property_value(ctx, "no", 1)) == 0) | |
1bdbdaff P |
568 | goto err; |
569 | ||
570 | return 1; | |
571 | err: | |
572 | return 0; | |
573 | } |