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2743e38c | 1 | /* |
4333b89f | 2 | * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. |
2743e38c | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
2743e38c DSH |
8 | */ |
9 | ||
80ce21fe F |
10 | #ifndef OSSL_CRYPTO_X509_H |
11 | # define OSSL_CRYPTO_X509_H | |
12 | # pragma once | |
13 | ||
14 | # include "internal/refcount.h" | |
15 | # include <openssl/asn1.h> | |
16 | # include <openssl/x509.h> | |
cf333799 | 17 | # include "crypto/types.h" |
2f545ae4 | 18 | |
2743e38c DSH |
19 | /* Internal X509 structures and functions: not for application use */ |
20 | ||
40ffdc9c DSH |
21 | /* Note: unless otherwise stated a field pointer is mandatory and should |
22 | * never be set to NULL: the ASN.1 code and accessors rely on mandatory | |
23 | * fields never being NULL. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * name entry structure, equivalent to AttributeTypeAndValue defined | |
28 | * in RFC5280 et al. | |
29 | */ | |
2743e38c | 30 | struct X509_name_entry_st { |
40ffdc9c DSH |
31 | ASN1_OBJECT *object; /* AttributeType */ |
32 | ASN1_STRING *value; /* AttributeValue */ | |
33 | int set; /* index of RDNSequence for this entry */ | |
2743e38c DSH |
34 | int size; /* temp variable */ |
35 | }; | |
36 | ||
40ffdc9c | 37 | /* Name from RFC 5280. */ |
2743e38c | 38 | struct X509_name_st { |
40ffdc9c | 39 | STACK_OF(X509_NAME_ENTRY) *entries; /* DN components */ |
2743e38c | 40 | int modified; /* true if 'bytes' needs to be built */ |
40ffdc9c DSH |
41 | BUF_MEM *bytes; /* cached encoding: cannot be NULL */ |
42 | /* canonical encoding used for rapid Name comparison */ | |
2743e38c DSH |
43 | unsigned char *canon_enc; |
44 | int canon_enclen; | |
45 | } /* X509_NAME */ ; | |
bc3686df | 46 | |
786dd2c2 DSH |
47 | /* Signature info structure */ |
48 | ||
49 | struct x509_sig_info_st { | |
50 | /* NID of message digest */ | |
51 | int mdnid; | |
52 | /* NID of public key algorithm */ | |
53 | int pknid; | |
54 | /* Security bits */ | |
55 | int secbits; | |
56 | /* Various flags */ | |
57 | uint32_t flags; | |
58 | }; | |
59 | ||
40ffdc9c | 60 | /* PKCS#10 certificate request */ |
124055a9 DSH |
61 | |
62 | struct X509_req_info_st { | |
40ffdc9c DSH |
63 | ASN1_ENCODING enc; /* cached encoding of signed part */ |
64 | ASN1_INTEGER *version; /* version, defaults to v1(0) so can be NULL */ | |
65 | X509_NAME *subject; /* certificate request DN */ | |
66 | X509_PUBKEY *pubkey; /* public key of request */ | |
67 | /* | |
68 | * Zero or more attributes. | |
69 | * NB: although attributes is a mandatory field some broken | |
70 | * encodings omit it so this may be NULL in that case. | |
71 | */ | |
72 | STACK_OF(X509_ATTRIBUTE) *attributes; | |
124055a9 DSH |
73 | }; |
74 | ||
75 | struct X509_req_st { | |
40ffdc9c DSH |
76 | X509_REQ_INFO req_info; /* signed certificate request data */ |
77 | X509_ALGOR sig_alg; /* signature algorithm */ | |
78 | ASN1_BIT_STRING *signature; /* signature */ | |
2f545ae4 | 79 | CRYPTO_REF_COUNT references; |
c001ce33 | 80 | CRYPTO_RWLOCK *lock; |
70a7dd6f RL |
81 | |
82 | /* Set on live certificates for authentication purposes */ | |
83 | ASN1_OCTET_STRING *distinguishing_id; | |
e72dbd8e SL |
84 | OSSL_LIB_CTX *libctx; |
85 | char *propq; | |
124055a9 | 86 | }; |
e3e57192 DSH |
87 | |
88 | struct X509_crl_info_st { | |
40ffdc9c | 89 | ASN1_INTEGER *version; /* version: defaults to v1(0) so may be NULL */ |
8483a003 | 90 | X509_ALGOR sig_alg; /* signature algorithm */ |
40ffdc9c DSH |
91 | X509_NAME *issuer; /* CRL issuer name */ |
92 | ASN1_TIME *lastUpdate; /* lastUpdate field */ | |
93 | ASN1_TIME *nextUpdate; /* nextUpdate field: optional */ | |
687b4868 | 94 | STACK_OF(X509_REVOKED) *revoked; /* revoked entries: optional */ |
40ffdc9c | 95 | STACK_OF(X509_EXTENSION) *extensions; /* extensions: optional */ |
687b4868 | 96 | ASN1_ENCODING enc; /* encoding of signed portion of CRL */ |
e3e57192 DSH |
97 | }; |
98 | ||
99 | struct X509_crl_st { | |
40ffdc9c DSH |
100 | X509_CRL_INFO crl; /* signed CRL data */ |
101 | X509_ALGOR sig_alg; /* CRL signature algorithm */ | |
687b4868 | 102 | ASN1_BIT_STRING signature; /* CRL signature */ |
2f545ae4 | 103 | CRYPTO_REF_COUNT references; |
e3e57192 | 104 | int flags; |
40ffdc9c DSH |
105 | /* |
106 | * Cached copies of decoded extension values, since extensions | |
107 | * are optional any of these can be NULL. | |
108 | */ | |
e3e57192 DSH |
109 | AUTHORITY_KEYID *akid; |
110 | ISSUING_DIST_POINT *idp; | |
111 | /* Convenient breakdown of IDP */ | |
112 | int idp_flags; | |
113 | int idp_reasons; | |
114 | /* CRL and base CRL numbers for delta processing */ | |
115 | ASN1_INTEGER *crl_number; | |
116 | ASN1_INTEGER *base_crl_number; | |
e3e57192 | 117 | STACK_OF(GENERAL_NAMES) *issuers; |
40ffdc9c DSH |
118 | /* hash of CRL */ |
119 | unsigned char sha1_hash[SHA_DIGEST_LENGTH]; | |
120 | /* alternative method to handle this CRL */ | |
e3e57192 DSH |
121 | const X509_CRL_METHOD *meth; |
122 | void *meth_data; | |
c001ce33 | 123 | CRYPTO_RWLOCK *lock; |
34b80d06 | 124 | |
b4250010 | 125 | OSSL_LIB_CTX *libctx; |
c22139a7 | 126 | char *propq; |
e3e57192 | 127 | }; |
44748efc DSH |
128 | |
129 | struct x509_revoked_st { | |
34a42e14 | 130 | ASN1_INTEGER serialNumber; /* revoked entry serial number */ |
40ffdc9c DSH |
131 | ASN1_TIME *revocationDate; /* revocation date */ |
132 | STACK_OF(X509_EXTENSION) *extensions; /* CRL entry extensions: optional */ | |
133 | /* decoded value of CRLissuer extension: set if indirect CRL */ | |
44748efc | 134 | STACK_OF(GENERAL_NAME) *issuer; |
40ffdc9c | 135 | /* revocation reason: set to CRL_REASON_NONE if reason extension absent */ |
44748efc | 136 | int reason; |
40ffdc9c DSH |
137 | /* |
138 | * CRL entries are reordered for faster lookup of serial numbers. This | |
139 | * field contains the original load sequence for this entry. | |
140 | */ | |
141 | int sequence; | |
142 | }; | |
143 | ||
144 | /* | |
145 | * This stuff is certificate "auxiliary info": it contains details which are | |
146 | * useful in certificate stores and databases. When used this is tagged onto | |
147 | * the end of the certificate itself. OpenSSL specific structure not defined | |
148 | * in any RFC. | |
149 | */ | |
150 | ||
151 | struct x509_cert_aux_st { | |
152 | STACK_OF(ASN1_OBJECT) *trust; /* trusted uses */ | |
153 | STACK_OF(ASN1_OBJECT) *reject; /* rejected uses */ | |
154 | ASN1_UTF8STRING *alias; /* "friendly name" */ | |
155 | ASN1_OCTET_STRING *keyid; /* key id of private key */ | |
156 | STACK_OF(X509_ALGOR) *other; /* other unspecified info */ | |
44748efc | 157 | }; |
2c81e476 DSH |
158 | |
159 | struct x509_cinf_st { | |
160 | ASN1_INTEGER *version; /* [ 0 ] default of v1 */ | |
81e49438 | 161 | ASN1_INTEGER serialNumber; |
2c81e476 DSH |
162 | X509_ALGOR signature; |
163 | X509_NAME *issuer; | |
164 | X509_VAL validity; | |
165 | X509_NAME *subject; | |
166 | X509_PUBKEY *key; | |
167 | ASN1_BIT_STRING *issuerUID; /* [ 1 ] optional in v2 */ | |
168 | ASN1_BIT_STRING *subjectUID; /* [ 2 ] optional in v2 */ | |
169 | STACK_OF(X509_EXTENSION) *extensions; /* [ 3 ] optional in v3 */ | |
170 | ASN1_ENCODING enc; | |
171 | }; | |
172 | ||
173 | struct x509_st { | |
174 | X509_CINF cert_info; | |
175 | X509_ALGOR sig_alg; | |
81e49438 | 176 | ASN1_BIT_STRING signature; |
786dd2c2 | 177 | X509_SIG_INFO siginf; |
2f545ae4 | 178 | CRYPTO_REF_COUNT references; |
2c81e476 DSH |
179 | CRYPTO_EX_DATA ex_data; |
180 | /* These contain copies of various extension values */ | |
181 | long ex_pathlen; | |
182 | long ex_pcpathlen; | |
183 | uint32_t ex_flags; | |
184 | uint32_t ex_kusage; | |
185 | uint32_t ex_xkusage; | |
186 | uint32_t ex_nscert; | |
187 | ASN1_OCTET_STRING *skid; | |
188 | AUTHORITY_KEYID *akid; | |
189 | X509_POLICY_CACHE *policy_cache; | |
190 | STACK_OF(DIST_POINT) *crldp; | |
191 | STACK_OF(GENERAL_NAME) *altname; | |
192 | NAME_CONSTRAINTS *nc; | |
8267becb | 193 | # ifndef OPENSSL_NO_RFC3779 |
2c81e476 DSH |
194 | STACK_OF(IPAddressFamily) *rfc3779_addr; |
195 | struct ASIdentifiers_st *rfc3779_asid; | |
196 | # endif | |
197 | unsigned char sha1_hash[SHA_DIGEST_LENGTH]; | |
198 | X509_CERT_AUX *aux; | |
c001ce33 | 199 | CRYPTO_RWLOCK *lock; |
f21b5b64 | 200 | volatile int ex_cached; |
70a7dd6f RL |
201 | |
202 | /* Set on live certificates for authentication purposes */ | |
203 | ASN1_OCTET_STRING *distinguishing_id; | |
6725682d | 204 | |
b4250010 | 205 | OSSL_LIB_CTX *libctx; |
22b9230f | 206 | char *propq; |
2c81e476 | 207 | } /* X509 */ ; |
54dbf423 | 208 | |
f0e0fd51 RS |
209 | /* |
210 | * This is a used when verifying cert chains. Since the gathering of the | |
211 | * cert chain can take some time (and have to be 'retried', this needs to be | |
212 | * kept and passed around. | |
213 | */ | |
214 | struct x509_store_ctx_st { /* X509_STORE_CTX */ | |
faa9dcd4 | 215 | X509_STORE *store; |
f0e0fd51 RS |
216 | /* The following are set by the caller */ |
217 | /* The cert to check */ | |
218 | X509 *cert; | |
219 | /* chain of X509s - untrusted - passed in */ | |
220 | STACK_OF(X509) *untrusted; | |
221 | /* set of CRLs passed in */ | |
222 | STACK_OF(X509_CRL) *crls; | |
223 | X509_VERIFY_PARAM *param; | |
224 | /* Other info for use with get_issuer() */ | |
225 | void *other_ctx; | |
226 | /* Callbacks for various operations */ | |
227 | /* called to verify a certificate */ | |
228 | int (*verify) (X509_STORE_CTX *ctx); | |
229 | /* error callback */ | |
230 | int (*verify_cb) (int ok, X509_STORE_CTX *ctx); | |
231 | /* get issuers cert from ctx */ | |
232 | int (*get_issuer) (X509 **issuer, X509_STORE_CTX *ctx, X509 *x); | |
233 | /* check issued */ | |
234 | int (*check_issued) (X509_STORE_CTX *ctx, X509 *x, X509 *issuer); | |
235 | /* Check revocation status of chain */ | |
236 | int (*check_revocation) (X509_STORE_CTX *ctx); | |
237 | /* retrieve CRL */ | |
238 | int (*get_crl) (X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); | |
239 | /* Check CRL validity */ | |
240 | int (*check_crl) (X509_STORE_CTX *ctx, X509_CRL *crl); | |
241 | /* Check certificate against CRL */ | |
242 | int (*cert_crl) (X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); | |
0a5fe2eb | 243 | /* Check policy status of the chain */ |
f0e0fd51 | 244 | int (*check_policy) (X509_STORE_CTX *ctx); |
8cc86b81 DDO |
245 | STACK_OF(X509) *(*lookup_certs) (X509_STORE_CTX *ctx, |
246 | const X509_NAME *nm); | |
247 | /* cannot constify 'ctx' param due to lookup_certs_sk() in x509_vfy.c */ | |
248 | STACK_OF(X509_CRL) *(*lookup_crls) (const X509_STORE_CTX *ctx, | |
249 | const X509_NAME *nm); | |
f0e0fd51 RS |
250 | int (*cleanup) (X509_STORE_CTX *ctx); |
251 | /* The following is built up */ | |
252 | /* if 0, rebuild chain */ | |
253 | int valid; | |
254 | /* number of untrusted certs */ | |
255 | int num_untrusted; | |
256 | /* chain of X509s - built up and trusted */ | |
257 | STACK_OF(X509) *chain; | |
258 | /* Valid policy tree */ | |
259 | X509_POLICY_TREE *tree; | |
260 | /* Require explicit policy value */ | |
261 | int explicit_policy; | |
262 | /* When something goes wrong, this is why */ | |
263 | int error_depth; | |
264 | int error; | |
265 | X509 *current_cert; | |
266 | /* cert currently being tested as valid issuer */ | |
267 | X509 *current_issuer; | |
268 | /* current CRL */ | |
269 | X509_CRL *current_crl; | |
270 | /* score of current CRL */ | |
271 | int current_crl_score; | |
272 | /* Reason mask */ | |
273 | unsigned int current_reasons; | |
274 | /* For CRL path validation: parent context */ | |
275 | X509_STORE_CTX *parent; | |
276 | CRYPTO_EX_DATA ex_data; | |
277 | SSL_DANE *dane; | |
278 | /* signed via bare TA public key, rather than CA certificate */ | |
279 | int bare_ta_signed; | |
1143c27b | 280 | |
b4250010 | 281 | OSSL_LIB_CTX *libctx; |
1143c27b | 282 | char *propq; |
f0e0fd51 RS |
283 | }; |
284 | ||
54dbf423 DSH |
285 | /* PKCS#8 private key info structure */ |
286 | ||
287 | struct pkcs8_priv_key_info_st { | |
288 | ASN1_INTEGER *version; | |
289 | X509_ALGOR *pkeyalg; | |
290 | ASN1_OCTET_STRING *pkey; | |
291 | STACK_OF(X509_ATTRIBUTE) *attributes; | |
292 | }; | |
a6eb1ce6 DSH |
293 | |
294 | struct X509_sig_st { | |
295 | X509_ALGOR *algor; | |
296 | ASN1_OCTET_STRING *digest; | |
297 | }; | |
f0e0fd51 RS |
298 | |
299 | struct x509_object_st { | |
300 | /* one of the above types */ | |
301 | X509_LOOKUP_TYPE type; | |
302 | union { | |
303 | char *ptr; | |
304 | X509 *x509; | |
305 | X509_CRL *crl; | |
306 | EVP_PKEY *pkey; | |
307 | } data; | |
308 | }; | |
6670d55a | 309 | |
47864aea | 310 | int ossl_a2i_ipadd(unsigned char *ipout, const char *ipasc); |
4669015d SL |
311 | int ossl_x509_set1_time(ASN1_TIME **ptm, const ASN1_TIME *tm); |
312 | int ossl_x509_print_ex_brief(BIO *bio, X509 *cert, unsigned long neg_cflags); | |
313 | int ossl_x509v3_cache_extensions(X509 *x); | |
314 | int ossl_x509_init_sig_info(X509 *x); | |
315 | ||
316 | int ossl_x509_set0_libctx(X509 *x, OSSL_LIB_CTX *libctx, const char *propq); | |
317 | int ossl_x509_crl_set0_libctx(X509_CRL *x, OSSL_LIB_CTX *libctx, | |
318 | const char *propq); | |
e72dbd8e SL |
319 | int ossl_x509_req_set0_libctx(X509_REQ *x, OSSL_LIB_CTX *libctx, |
320 | const char *propq); | |
4669015d SL |
321 | int ossl_asn1_item_digest_ex(const ASN1_ITEM *it, const EVP_MD *type, |
322 | void *data, unsigned char *md, unsigned int *len, | |
adf7e6d1 | 323 | OSSL_LIB_CTX *libctx, const char *propq); |
c1be4d61 | 324 | int ossl_x509_add_cert_new(STACK_OF(X509) **sk, X509 *cert, int flags); |
daf1300b DDO |
325 | int ossl_x509_add_certs_new(STACK_OF(X509) **p_sk, STACK_OF(X509) *certs, |
326 | int flags); | |
22b81444 | 327 | |
2145ba5e TM |
328 | STACK_OF(X509_ATTRIBUTE) *ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) *x); |
329 | ||
4669015d SL |
330 | int ossl_x509_PUBKEY_get0_libctx(OSSL_LIB_CTX **plibctx, const char **ppropq, |
331 | const X509_PUBKEY *key); | |
41e597a0 | 332 | /* Calculate default key identifier according to RFC 5280 section 4.2.1.2 (1) */ |
47864aea | 333 | ASN1_OCTET_STRING *ossl_x509_pubkey_hash(X509_PUBKEY *pubkey); |
80ce21fe | 334 | |
06f67612 RL |
335 | RSA *ossl_d2i_RSA_PSS_PUBKEY(RSA **a, const unsigned char **pp, long length); |
336 | int ossl_i2d_RSA_PSS_PUBKEY(const RSA *a, unsigned char **pp); | |
337 | # ifndef OPENSSL_NO_DH | |
338 | DH *ossl_d2i_DH_PUBKEY(DH **a, const unsigned char **pp, long length); | |
339 | int ossl_i2d_DH_PUBKEY(const DH *a, unsigned char **pp); | |
340 | DH *ossl_d2i_DHx_PUBKEY(DH **a, const unsigned char **pp, long length); | |
341 | int ossl_i2d_DHx_PUBKEY(const DH *a, unsigned char **pp); | |
342 | # endif | |
343 | # ifndef OPENSSL_NO_EC | |
344 | ECX_KEY *ossl_d2i_ED25519_PUBKEY(ECX_KEY **a, | |
345 | const unsigned char **pp, long length); | |
346 | int ossl_i2d_ED25519_PUBKEY(const ECX_KEY *a, unsigned char **pp); | |
347 | ECX_KEY *ossl_d2i_ED448_PUBKEY(ECX_KEY **a, | |
348 | const unsigned char **pp, long length); | |
349 | int ossl_i2d_ED448_PUBKEY(const ECX_KEY *a, unsigned char **pp); | |
350 | ECX_KEY *ossl_d2i_X25519_PUBKEY(ECX_KEY **a, | |
351 | const unsigned char **pp, long length); | |
352 | int ossl_i2d_X25519_PUBKEY(const ECX_KEY *a, unsigned char **pp); | |
353 | ECX_KEY *ossl_d2i_X448_PUBKEY(ECX_KEY **a, | |
354 | const unsigned char **pp, long length); | |
355 | int ossl_i2d_X448_PUBKEY(const ECX_KEY *a, unsigned char **pp); | |
356 | # endif | |
80ce21fe | 357 | #endif |