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d02b48c6 | 1 | /* crypto/x509/x509_vfy.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <time.h> | |
61 | #include <errno.h> | |
d02b48c6 RE |
62 | |
63 | #include "cryptlib.h" | |
17f389bb | 64 | #include <openssl/crypto.h> |
ec577822 BM |
65 | #include <openssl/lhash.h> |
66 | #include <openssl/buffer.h> | |
67 | #include <openssl/evp.h> | |
68 | #include <openssl/asn1.h> | |
69 | #include <openssl/x509.h> | |
11262391 | 70 | #include <openssl/x509v3.h> |
ec577822 | 71 | #include <openssl/objects.h> |
d02b48c6 | 72 | |
d02b48c6 | 73 | static int null_callback(int ok,X509_STORE_CTX *e); |
11262391 | 74 | static int check_chain_purpose(X509_STORE_CTX *ctx); |
d02b48c6 | 75 | static int internal_verify(X509_STORE_CTX *ctx); |
e778802f | 76 | const char *X509_version="X.509" OPENSSL_VERSION_PTEXT; |
b4cadc6e | 77 | |
58964a49 RE |
78 | static STACK *x509_store_ctx_method=NULL; |
79 | static int x509_store_ctx_num=0; | |
80 | #if 0 | |
81 | static int x509_store_num=1; | |
82 | static STACK *x509_store_method=NULL; | |
83 | #endif | |
d02b48c6 | 84 | |
6b691a5c | 85 | static int null_callback(int ok, X509_STORE_CTX *e) |
d02b48c6 RE |
86 | { |
87 | return(ok); | |
88 | } | |
89 | ||
90 | #if 0 | |
6b691a5c | 91 | static int x509_subject_cmp(X509 **a, X509 **b) |
d02b48c6 RE |
92 | { |
93 | return(X509_subject_name_cmp(*a,*b)); | |
94 | } | |
95 | #endif | |
96 | ||
6b691a5c | 97 | int X509_verify_cert(X509_STORE_CTX *ctx) |
d02b48c6 RE |
98 | { |
99 | X509 *x,*xtmp,*chain_ss=NULL; | |
100 | X509_NAME *xn; | |
101 | X509_OBJECT obj; | |
102 | int depth,i,ok=0; | |
103 | int num; | |
104 | int (*cb)(); | |
f73e07cf | 105 | STACK_OF(X509) *sktmp=NULL; |
d02b48c6 RE |
106 | |
107 | if (ctx->cert == NULL) | |
108 | { | |
109 | X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY); | |
110 | return(-1); | |
111 | } | |
112 | ||
113 | cb=ctx->ctx->verify_cb; | |
114 | if (cb == NULL) cb=null_callback; | |
115 | ||
116 | /* first we make sure the chain we are going to build is | |
117 | * present and that the first entry is in place */ | |
118 | if (ctx->chain == NULL) | |
119 | { | |
7e258a56 BL |
120 | if ( ((ctx->chain=sk_X509_new_null()) == NULL) || |
121 | (!sk_X509_push(ctx->chain,ctx->cert))) | |
d02b48c6 RE |
122 | { |
123 | X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); | |
124 | goto end; | |
125 | } | |
126 | CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509); | |
127 | ctx->last_untrusted=1; | |
128 | } | |
129 | ||
f76d8c47 | 130 | /* We use a temporary STACK so we can chop and hack at it */ |
f73e07cf BL |
131 | if (ctx->untrusted != NULL |
132 | && (sktmp=sk_X509_dup(ctx->untrusted)) == NULL) | |
d02b48c6 RE |
133 | { |
134 | X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); | |
135 | goto end; | |
136 | } | |
137 | ||
7e258a56 BL |
138 | num=sk_X509_num(ctx->chain); |
139 | x=sk_X509_value(ctx->chain,num-1); | |
d02b48c6 RE |
140 | depth=ctx->depth; |
141 | ||
142 | ||
143 | for (;;) | |
144 | { | |
145 | /* If we have enough, we break */ | |
d797727b | 146 | if (depth < num) break; /* FIXME: If this happens, we should take |
a9642be6 BM |
147 | * note of it and, if appropriate, use the |
148 | * X509_V_ERR_CERT_CHAIN_TOO_LONG error | |
149 | * code later. | |
150 | */ | |
d02b48c6 RE |
151 | |
152 | /* If we are self signed, we break */ | |
153 | xn=X509_get_issuer_name(x); | |
154 | if (X509_NAME_cmp(X509_get_subject_name(x),xn) == 0) | |
155 | break; | |
156 | ||
157 | /* If we were passed a cert chain, use it first */ | |
158 | if (ctx->untrusted != NULL) | |
159 | { | |
160 | xtmp=X509_find_by_subject(sktmp,xn); | |
161 | if (xtmp != NULL) | |
162 | { | |
7e258a56 | 163 | if (!sk_X509_push(ctx->chain,xtmp)) |
d02b48c6 RE |
164 | { |
165 | X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); | |
166 | goto end; | |
167 | } | |
168 | CRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509); | |
f73e07cf | 169 | sk_X509_delete_ptr(sktmp,xtmp); |
d02b48c6 RE |
170 | ctx->last_untrusted++; |
171 | x=xtmp; | |
172 | num++; | |
173 | /* reparse the full chain for | |
174 | * the next one */ | |
175 | continue; | |
176 | } | |
177 | } | |
178 | break; | |
179 | } | |
180 | ||
181 | /* at this point, chain should contain a list of untrusted | |
182 | * certificates. We now need to add at least one trusted one, | |
183 | * if possible, otherwise we complain. */ | |
184 | ||
7e258a56 BL |
185 | i=sk_X509_num(ctx->chain); |
186 | x=sk_X509_value(ctx->chain,i-1); | |
f76d8c47 DSH |
187 | xn = X509_get_subject_name(x); |
188 | if (X509_NAME_cmp(xn,X509_get_issuer_name(x)) | |
d02b48c6 RE |
189 | == 0) |
190 | { | |
191 | /* we have a self signed certificate */ | |
7e258a56 | 192 | if (sk_X509_num(ctx->chain) == 1) |
d02b48c6 | 193 | { |
f76d8c47 DSH |
194 | /* We have a single self signed certificate: see if |
195 | * we can find it in the store. We must have an exact | |
196 | * match to avoid possible impersonation. | |
197 | */ | |
198 | ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj); | |
199 | if ((ok != X509_LU_X509) || X509_cmp(x, obj.data.x509)) | |
200 | { | |
201 | ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT; | |
202 | ctx->current_cert=x; | |
203 | ctx->error_depth=i-1; | |
204 | if(ok == X509_LU_X509) X509_OBJECT_free_contents(&obj); | |
205 | ok=cb(0,ctx); | |
206 | if (!ok) goto end; | |
207 | } | |
208 | else | |
209 | { | |
210 | /* We have a match: replace certificate with store version | |
211 | * so we get any trust settings. | |
212 | */ | |
213 | X509_free(x); | |
214 | x = obj.data.x509; | |
215 | sk_X509_set(ctx->chain, i - 1, x); | |
216 | ctx->last_untrusted=0; | |
217 | } | |
d02b48c6 RE |
218 | } |
219 | else | |
220 | { | |
221 | /* worry more about this one elsewhere */ | |
7e258a56 | 222 | chain_ss=sk_X509_pop(ctx->chain); |
d02b48c6 RE |
223 | ctx->last_untrusted--; |
224 | num--; | |
7e258a56 | 225 | x=sk_X509_value(ctx->chain,num-1); |
d02b48c6 RE |
226 | } |
227 | } | |
228 | ||
229 | /* We now lookup certs from the certificate store */ | |
230 | for (;;) | |
231 | { | |
232 | /* If we have enough, we break */ | |
7f89714e | 233 | if (depth < num) break; |
d02b48c6 RE |
234 | |
235 | /* If we are self signed, we break */ | |
236 | xn=X509_get_issuer_name(x); | |
237 | if (X509_NAME_cmp(X509_get_subject_name(x),xn) == 0) | |
238 | break; | |
239 | ||
240 | ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj); | |
241 | if (ok != X509_LU_X509) | |
242 | { | |
243 | if (ok == X509_LU_RETRY) | |
244 | { | |
245 | X509_OBJECT_free_contents(&obj); | |
246 | X509err(X509_F_X509_VERIFY_CERT,X509_R_SHOULD_RETRY); | |
247 | return(ok); | |
248 | } | |
249 | else if (ok != X509_LU_FAIL) | |
250 | { | |
251 | X509_OBJECT_free_contents(&obj); | |
252 | /* not good :-(, break anyway */ | |
253 | return(ok); | |
254 | } | |
255 | break; | |
256 | } | |
257 | x=obj.data.x509; | |
7e258a56 | 258 | if (!sk_X509_push(ctx->chain,obj.data.x509)) |
d02b48c6 RE |
259 | { |
260 | X509_OBJECT_free_contents(&obj); | |
261 | X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); | |
262 | return(0); | |
263 | } | |
264 | num++; | |
265 | } | |
266 | ||
267 | /* we now have our chain, lets check it... */ | |
268 | xn=X509_get_issuer_name(x); | |
269 | if (X509_NAME_cmp(X509_get_subject_name(x),xn) != 0) | |
270 | { | |
271 | if ((chain_ss == NULL) || (X509_NAME_cmp(X509_get_subject_name(chain_ss),xn) != 0)) | |
272 | { | |
273 | if (ctx->last_untrusted >= num) | |
274 | ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY; | |
275 | else | |
276 | ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT; | |
277 | ctx->current_cert=x; | |
278 | } | |
279 | else | |
280 | { | |
281 | ||
7e258a56 | 282 | sk_X509_push(ctx->chain,chain_ss); |
d02b48c6 RE |
283 | num++; |
284 | ctx->last_untrusted=num; | |
285 | ctx->current_cert=chain_ss; | |
286 | ctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN; | |
287 | chain_ss=NULL; | |
288 | } | |
289 | ||
290 | ctx->error_depth=num-1; | |
291 | ok=cb(0,ctx); | |
292 | if (!ok) goto end; | |
293 | } | |
294 | ||
11262391 DSH |
295 | /* We have the chain complete: now we need to check its purpose */ |
296 | if(ctx->chain_purpose > 0) ok = check_chain_purpose(ctx); | |
297 | ||
298 | if(!ok) goto end; | |
299 | ||
d02b48c6 RE |
300 | /* We may as well copy down any DSA parameters that are required */ |
301 | X509_get_pubkey_parameters(NULL,ctx->chain); | |
302 | ||
303 | /* At this point, we have a chain and just need to verify it */ | |
304 | if (ctx->ctx->verify != NULL) | |
305 | ok=ctx->ctx->verify(ctx); | |
306 | else | |
307 | ok=internal_verify(ctx); | |
dfeab068 RE |
308 | if (0) |
309 | { | |
d02b48c6 | 310 | end: |
dfeab068 RE |
311 | X509_get_pubkey_parameters(NULL,ctx->chain); |
312 | } | |
f73e07cf | 313 | if (sktmp != NULL) sk_X509_free(sktmp); |
d02b48c6 RE |
314 | if (chain_ss != NULL) X509_free(chain_ss); |
315 | return(ok); | |
316 | } | |
317 | ||
11262391 DSH |
318 | /* Check a certificate chains extensions for consistency |
319 | * with the supplied purpose | |
320 | */ | |
321 | ||
322 | static int check_chain_purpose(X509_STORE_CTX *ctx) | |
323 | { | |
324 | #ifdef NO_CHAIN_VERIFY | |
325 | return 1; | |
326 | #else | |
327 | int i, ok=0; | |
328 | X509 *x; | |
329 | int (*cb)(); | |
330 | cb=ctx->ctx->verify_cb; | |
331 | if (cb == NULL) cb=null_callback; | |
332 | /* Check all untrusted certificates */ | |
333 | for(i = 0; i < ctx->last_untrusted; i++) { | |
334 | x = sk_X509_value(ctx->chain, i); | |
335 | if(!X509_check_purpose(x, ctx->chain_purpose, i)) { | |
336 | if(i) ctx->error = X509_V_ERR_INVALID_CA; | |
337 | else ctx->error = X509_V_ERR_INVALID_PURPOSE; | |
338 | ctx->error_depth = i; | |
339 | ctx->current_cert = x; | |
340 | ok=cb(0,ctx); | |
341 | if(!ok) goto end; | |
342 | } | |
343 | /* Check pathlen */ | |
344 | if((i > 1) && (x->ex_pathlen != -1) | |
345 | && (i > (x->ex_pathlen + 1))) { | |
346 | ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED; | |
347 | ctx->error_depth = i; | |
348 | ctx->current_cert = x; | |
349 | ok=cb(0,ctx); | |
350 | if(!ok) goto end; | |
351 | } | |
352 | } | |
353 | ok = 1; | |
354 | end: | |
355 | return(ok); | |
356 | #endif | |
357 | } | |
358 | ||
6b691a5c | 359 | static int internal_verify(X509_STORE_CTX *ctx) |
d02b48c6 RE |
360 | { |
361 | int i,ok=0,n; | |
362 | X509 *xs,*xi; | |
363 | EVP_PKEY *pkey=NULL; | |
364 | int (*cb)(); | |
365 | ||
366 | cb=ctx->ctx->verify_cb; | |
367 | if (cb == NULL) cb=null_callback; | |
368 | ||
7e258a56 | 369 | n=sk_X509_num(ctx->chain); |
d02b48c6 RE |
370 | ctx->error_depth=n-1; |
371 | n--; | |
7e258a56 | 372 | xi=sk_X509_value(ctx->chain,n); |
d02b48c6 RE |
373 | if (X509_NAME_cmp(X509_get_subject_name(xi), |
374 | X509_get_issuer_name(xi)) == 0) | |
375 | xs=xi; | |
376 | else | |
377 | { | |
378 | if (n <= 0) | |
379 | { | |
380 | ctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE; | |
381 | ctx->current_cert=xi; | |
382 | ok=cb(0,ctx); | |
383 | goto end; | |
384 | } | |
385 | else | |
386 | { | |
387 | n--; | |
388 | ctx->error_depth=n; | |
7e258a56 | 389 | xs=sk_X509_value(ctx->chain,n); |
d02b48c6 RE |
390 | } |
391 | } | |
392 | ||
393 | /* ctx->error=0; not needed */ | |
394 | while (n >= 0) | |
395 | { | |
396 | ctx->error_depth=n; | |
397 | if (!xs->valid) | |
398 | { | |
399 | if ((pkey=X509_get_pubkey(xi)) == NULL) | |
400 | { | |
401 | ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY; | |
402 | ctx->current_cert=xi; | |
403 | ok=(*cb)(0,ctx); | |
404 | if (!ok) goto end; | |
405 | } | |
406 | if (X509_verify(xs,pkey) <= 0) | |
407 | { | |
cfcf6453 | 408 | EVP_PKEY_free(pkey); |
d02b48c6 RE |
409 | ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE; |
410 | ctx->current_cert=xs; | |
411 | ok=(*cb)(0,ctx); | |
412 | if (!ok) goto end; | |
413 | } | |
cfcf6453 | 414 | EVP_PKEY_free(pkey); |
d02b48c6 RE |
415 | pkey=NULL; |
416 | ||
417 | i=X509_cmp_current_time(X509_get_notBefore(xs)); | |
418 | if (i == 0) | |
419 | { | |
420 | ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD; | |
421 | ctx->current_cert=xs; | |
422 | ok=(*cb)(0,ctx); | |
423 | if (!ok) goto end; | |
424 | } | |
425 | if (i > 0) | |
426 | { | |
427 | ctx->error=X509_V_ERR_CERT_NOT_YET_VALID; | |
428 | ctx->current_cert=xs; | |
429 | ok=(*cb)(0,ctx); | |
430 | if (!ok) goto end; | |
431 | } | |
432 | xs->valid=1; | |
433 | } | |
434 | ||
435 | i=X509_cmp_current_time(X509_get_notAfter(xs)); | |
436 | if (i == 0) | |
437 | { | |
438 | ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD; | |
439 | ctx->current_cert=xs; | |
440 | ok=(*cb)(0,ctx); | |
441 | if (!ok) goto end; | |
442 | } | |
443 | ||
444 | if (i < 0) | |
445 | { | |
446 | ctx->error=X509_V_ERR_CERT_HAS_EXPIRED; | |
447 | ctx->current_cert=xs; | |
448 | ok=(*cb)(0,ctx); | |
449 | if (!ok) goto end; | |
450 | } | |
451 | ||
452 | /* CRL CHECK */ | |
453 | ||
454 | /* The last error (if any) is still in the error value */ | |
455 | ctx->current_cert=xs; | |
456 | ok=(*cb)(1,ctx); | |
457 | if (!ok) goto end; | |
458 | ||
459 | n--; | |
460 | if (n >= 0) | |
461 | { | |
462 | xi=xs; | |
7e258a56 | 463 | xs=sk_X509_value(ctx->chain,n); |
d02b48c6 RE |
464 | } |
465 | } | |
466 | ok=1; | |
467 | end: | |
468 | return(ok); | |
469 | } | |
470 | ||
6b691a5c | 471 | int X509_cmp_current_time(ASN1_UTCTIME *ctm) |
d02b48c6 RE |
472 | { |
473 | char *str; | |
474 | ASN1_UTCTIME atm; | |
475 | time_t offset; | |
476 | char buff1[24],buff2[24],*p; | |
477 | int i,j; | |
478 | ||
479 | p=buff1; | |
480 | i=ctm->length; | |
481 | str=(char *)ctm->data; | |
482 | if ((i < 11) || (i > 17)) return(0); | |
483 | memcpy(p,str,10); | |
484 | p+=10; | |
485 | str+=10; | |
486 | ||
487 | if ((*str == 'Z') || (*str == '-') || (*str == '+')) | |
488 | { *(p++)='0'; *(p++)='0'; } | |
489 | else { *(p++)= *(str++); *(p++)= *(str++); } | |
490 | *(p++)='Z'; | |
491 | *(p++)='\0'; | |
492 | ||
493 | if (*str == 'Z') | |
494 | offset=0; | |
495 | else | |
496 | { | |
497 | if ((*str != '+') && (str[5] != '-')) | |
498 | return(0); | |
499 | offset=((str[1]-'0')*10+(str[2]-'0'))*60; | |
500 | offset+=(str[3]-'0')*10+(str[4]-'0'); | |
501 | if (*str == '-') | |
dfeab068 | 502 | offset= -offset; |
d02b48c6 RE |
503 | } |
504 | atm.type=V_ASN1_UTCTIME; | |
505 | atm.length=sizeof(buff2); | |
506 | atm.data=(unsigned char *)buff2; | |
507 | ||
58964a49 | 508 | X509_gmtime_adj(&atm,-offset); |
d02b48c6 RE |
509 | |
510 | i=(buff1[0]-'0')*10+(buff1[1]-'0'); | |
adbfb083 | 511 | if (i < 50) i+=100; /* cf. RFC 2459 */ |
d02b48c6 | 512 | j=(buff2[0]-'0')*10+(buff2[1]-'0'); |
20232a9c | 513 | if (j < 50) j+=100; |
d02b48c6 RE |
514 | |
515 | if (i < j) return (-1); | |
516 | if (i > j) return (1); | |
517 | i=strcmp(buff1,buff2); | |
518 | if (i == 0) /* wait a second then return younger :-) */ | |
519 | return(-1); | |
520 | else | |
521 | return(i); | |
522 | } | |
523 | ||
6b691a5c | 524 | ASN1_UTCTIME *X509_gmtime_adj(ASN1_UTCTIME *s, long adj) |
d02b48c6 RE |
525 | { |
526 | time_t t; | |
527 | ||
528 | time(&t); | |
529 | t+=adj; | |
530 | return(ASN1_UTCTIME_set(s,t)); | |
531 | } | |
532 | ||
7e258a56 | 533 | int X509_get_pubkey_parameters(EVP_PKEY *pkey, STACK_OF(X509) *chain) |
d02b48c6 RE |
534 | { |
535 | EVP_PKEY *ktmp=NULL,*ktmp2; | |
536 | int i,j; | |
537 | ||
538 | if ((pkey != NULL) && !EVP_PKEY_missing_parameters(pkey)) return(1); | |
539 | ||
7e258a56 | 540 | for (i=0; i<sk_X509_num(chain); i++) |
d02b48c6 | 541 | { |
7e258a56 | 542 | ktmp=X509_get_pubkey(sk_X509_value(chain,i)); |
d02b48c6 RE |
543 | if (ktmp == NULL) |
544 | { | |
545 | X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY); | |
546 | return(0); | |
547 | } | |
548 | if (!EVP_PKEY_missing_parameters(ktmp)) | |
549 | break; | |
550 | else | |
551 | { | |
cfcf6453 | 552 | EVP_PKEY_free(ktmp); |
d02b48c6 RE |
553 | ktmp=NULL; |
554 | } | |
555 | } | |
556 | if (ktmp == NULL) | |
557 | { | |
558 | X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN); | |
559 | return(0); | |
560 | } | |
561 | ||
562 | /* first, populate the other certs */ | |
563 | for (j=i-1; j >= 0; j--) | |
564 | { | |
7e258a56 | 565 | ktmp2=X509_get_pubkey(sk_X509_value(chain,j)); |
d02b48c6 | 566 | EVP_PKEY_copy_parameters(ktmp2,ktmp); |
cfcf6453 | 567 | EVP_PKEY_free(ktmp2); |
d02b48c6 RE |
568 | } |
569 | ||
cfcf6453 DSH |
570 | if (pkey != NULL) EVP_PKEY_copy_parameters(pkey,ktmp); |
571 | EVP_PKEY_free(ktmp); | |
d02b48c6 RE |
572 | return(1); |
573 | } | |
574 | ||
6b691a5c | 575 | int X509_STORE_add_cert(X509_STORE *ctx, X509 *x) |
d02b48c6 RE |
576 | { |
577 | X509_OBJECT *obj,*r; | |
578 | int ret=1; | |
579 | ||
580 | if (x == NULL) return(0); | |
581 | obj=(X509_OBJECT *)Malloc(sizeof(X509_OBJECT)); | |
582 | if (obj == NULL) | |
583 | { | |
584 | X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE); | |
585 | return(0); | |
586 | } | |
587 | obj->type=X509_LU_X509; | |
588 | obj->data.x509=x; | |
589 | ||
590 | CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); | |
591 | ||
592 | X509_OBJECT_up_ref_count(obj); | |
593 | ||
594 | r=(X509_OBJECT *)lh_insert(ctx->certs,(char *)obj); | |
595 | if (r != NULL) | |
596 | { /* oops, put it back */ | |
597 | lh_delete(ctx->certs,(char *)obj); | |
598 | X509_OBJECT_free_contents(obj); | |
599 | Free(obj); | |
600 | lh_insert(ctx->certs,(char *)r); | |
601 | X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE); | |
602 | ret=0; | |
603 | } | |
604 | ||
605 | CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); | |
606 | ||
607 | return(ret); | |
608 | } | |
609 | ||
6b691a5c | 610 | int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) |
58964a49 RE |
611 | { |
612 | X509_OBJECT *obj,*r; | |
613 | int ret=1; | |
614 | ||
615 | if (x == NULL) return(0); | |
616 | obj=(X509_OBJECT *)Malloc(sizeof(X509_OBJECT)); | |
617 | if (obj == NULL) | |
618 | { | |
619 | X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE); | |
620 | return(0); | |
621 | } | |
622 | obj->type=X509_LU_CRL; | |
623 | obj->data.crl=x; | |
624 | ||
625 | CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); | |
626 | ||
627 | X509_OBJECT_up_ref_count(obj); | |
628 | ||
629 | r=(X509_OBJECT *)lh_insert(ctx->certs,(char *)obj); | |
630 | if (r != NULL) | |
631 | { /* oops, put it back */ | |
632 | lh_delete(ctx->certs,(char *)obj); | |
633 | X509_OBJECT_free_contents(obj); | |
634 | Free(obj); | |
635 | lh_insert(ctx->certs,(char *)r); | |
636 | X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE); | |
637 | ret=0; | |
638 | } | |
639 | ||
640 | CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); | |
641 | ||
642 | return(ret); | |
643 | } | |
644 | ||
6b691a5c UM |
645 | int X509_STORE_CTX_get_ex_new_index(long argl, char *argp, int (*new_func)(), |
646 | int (*dup_func)(), void (*free_func)()) | |
58964a49 RE |
647 | { |
648 | x509_store_ctx_num++; | |
649 | return(CRYPTO_get_ex_new_index(x509_store_ctx_num-1, | |
650 | &x509_store_ctx_method, | |
651 | argl,argp,new_func,dup_func,free_func)); | |
652 | } | |
653 | ||
6b691a5c | 654 | int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data) |
58964a49 RE |
655 | { |
656 | return(CRYPTO_set_ex_data(&ctx->ex_data,idx,data)); | |
657 | } | |
658 | ||
6b691a5c | 659 | void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx) |
58964a49 RE |
660 | { |
661 | return(CRYPTO_get_ex_data(&ctx->ex_data,idx)); | |
662 | } | |
663 | ||
6b691a5c | 664 | int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx) |
58964a49 RE |
665 | { |
666 | return(ctx->error); | |
667 | } | |
668 | ||
6b691a5c | 669 | void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int err) |
58964a49 RE |
670 | { |
671 | ctx->error=err; | |
672 | } | |
673 | ||
6b691a5c | 674 | int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx) |
58964a49 RE |
675 | { |
676 | return(ctx->error_depth); | |
677 | } | |
678 | ||
6b691a5c | 679 | X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx) |
58964a49 RE |
680 | { |
681 | return(ctx->current_cert); | |
682 | } | |
683 | ||
7e258a56 | 684 | STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx) |
58964a49 RE |
685 | { |
686 | return(ctx->chain); | |
687 | } | |
688 | ||
6b691a5c | 689 | void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x) |
58964a49 RE |
690 | { |
691 | ctx->cert=x; | |
692 | } | |
693 | ||
6b691a5c | 694 | void X509_STORE_CTX_set_chain(X509_STORE_CTX *ctx, STACK_OF(X509) *sk) |
58964a49 RE |
695 | { |
696 | ctx->untrusted=sk; | |
697 | } | |
698 | ||
11262391 DSH |
699 | void X509_STORE_CTX_chain_purpose(X509_STORE_CTX *ctx, int purpose) |
700 | { | |
701 | ctx->chain_purpose = purpose; | |
702 | } | |
703 | ||
704 | void X509_STORE_CTX_trust_purpose(X509_STORE_CTX *ctx, int purpose) | |
705 | { | |
706 | ctx->trust_purpose = purpose; | |
707 | } | |
708 | ||
f73e07cf BL |
709 | IMPLEMENT_STACK_OF(X509) |
710 | IMPLEMENT_ASN1_SET_OF(X509) | |
d500de16 | 711 | |
f73e07cf | 712 | IMPLEMENT_STACK_OF(X509_NAME) |
d500de16 | 713 | |
f5fedc04 | 714 | IMPLEMENT_STACK_OF(X509_ATTRIBUTE) |
d500de16 | 715 | IMPLEMENT_ASN1_SET_OF(X509_ATTRIBUTE) |