2 * Copyright 2007-2021 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Nokia 2007-2019
4 * Copyright Siemens AG 2015-2019
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
12 #include <openssl/trace.h>
13 #include <openssl/bio.h>
14 #include <openssl/ocsp.h> /* for OCSP_REVOKED_STATUS_* */
16 #include "cmp_local.h"
18 /* explicit #includes not strictly needed since implied by the above: */
19 #include <openssl/cmp.h>
20 #include <openssl/crmf.h>
21 #include <openssl/err.h>
23 #define DEFINE_OSSL_CMP_CTX_get0(FIELD, TYPE) \
24 DEFINE_OSSL_CMP_CTX_get0_NAME(FIELD, FIELD, TYPE)
25 #define DEFINE_OSSL_CMP_CTX_get0_NAME(NAME, FIELD, TYPE) \
26 TYPE *OSSL_CMP_CTX_get0_##NAME(const OSSL_CMP_CTX *ctx) \
29 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
36 * Get current certificate store containing trusted root CA certs
38 DEFINE_OSSL_CMP_CTX_get0_NAME(trustedStore, trusted, X509_STORE)
40 #define DEFINE_OSSL_set0(PREFIX, FIELD, TYPE) \
41 DEFINE_OSSL_set0_NAME(PREFIX, FIELD, FIELD, TYPE)
42 #define DEFINE_OSSL_set0_NAME(PREFIX, NAME, FIELD, TYPE) \
43 int PREFIX##_set0##_##NAME(OSSL_CMP_CTX *ctx, TYPE *val) \
46 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
49 TYPE##_free(ctx->FIELD); \
55 * Set certificate store containing trusted (root) CA certs and possibly CRLs
56 * and a cert verification callback function used for CMP server authentication.
57 * Any already existing store entry is freed. Given NULL, the entry is reset.
59 DEFINE_OSSL_set0_NAME(OSSL_CMP_CTX, trustedStore, trusted, X509_STORE)
61 /* Get current list of non-trusted intermediate certs */
62 DEFINE_OSSL_CMP_CTX_get0(untrusted, STACK_OF(X509))
64 #define X509_STACK_free(certs) \
65 sk_X509_pop_free(certs, X509_free)
68 * Set untrusted certificates for path construction in authentication of
69 * the CMP server and potentially others (TLS server, newly enrolled cert).
71 int OSSL_CMP_CTX_set1_untrusted(OSSL_CMP_CTX *ctx, STACK_OF(X509) *certs)
73 STACK_OF(X509) *untrusted = NULL;
76 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
79 if (!ossl_x509_add_certs_new(&untrusted, certs,
80 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
82 X509_STACK_free(ctx->untrusted);
83 ctx->untrusted = untrusted;
86 X509_STACK_free(untrusted);
90 static int cmp_ctx_set_md(OSSL_CMP_CTX *ctx, EVP_MD **pmd, int nid)
92 EVP_MD *md = EVP_MD_fetch(ctx->libctx, OBJ_nid2sn(nid), ctx->propq);
93 /* fetching in advance to be able to throw error early if unsupported */
96 ERR_raise(ERR_LIB_CMP, CMP_R_UNSUPPORTED_ALGORITHM);
105 * Allocates and initializes OSSL_CMP_CTX context structure with default values.
106 * Returns new context on success, NULL on error
108 OSSL_CMP_CTX *OSSL_CMP_CTX_new(OSSL_LIB_CTX *libctx, const char *propq)
110 OSSL_CMP_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
115 ctx->libctx = libctx;
116 if (propq != NULL && (ctx->propq = OPENSSL_strdup(propq)) == NULL)
119 ctx->log_verbosity = OSSL_CMP_LOG_INFO;
122 ctx->failInfoCode = -1;
125 ctx->msg_timeout = -1;
127 if ((ctx->untrusted = sk_X509_new_null()) == NULL)
131 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, NID_sha256))
133 ctx->pbm_itercnt = 500;
134 ctx->pbm_mac = NID_hmac_sha1;
136 if (!cmp_ctx_set_md(ctx, &ctx->digest, NID_sha256))
138 ctx->popoMethod = OSSL_CRMF_POPO_SIGNATURE;
139 ctx->revocationReason = CRL_REASON_NONE;
141 /* all other elements are initialized to 0 or NULL, respectively */
145 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
147 OSSL_CMP_CTX_free(ctx);
151 /* Prepare the OSSL_CMP_CTX for next use, partly re-initializing OSSL_CMP_CTX */
152 int OSSL_CMP_CTX_reinit(OSSL_CMP_CTX *ctx)
155 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
159 if (ctx->http_ctx != NULL) {
160 (void)OSSL_HTTP_close(ctx->http_ctx, 1);
161 ossl_cmp_debug(ctx, "disconnected from CMP server");
162 ctx->http_ctx = NULL;
165 ctx->failInfoCode = -1;
167 return ossl_cmp_ctx_set0_statusString(ctx, NULL)
168 && ossl_cmp_ctx_set0_newCert(ctx, NULL)
169 && ossl_cmp_ctx_set1_newChain(ctx, NULL)
170 && ossl_cmp_ctx_set1_caPubs(ctx, NULL)
171 && ossl_cmp_ctx_set1_extraCertsIn(ctx, NULL)
172 && ossl_cmp_ctx_set0_validatedSrvCert(ctx, NULL)
173 && OSSL_CMP_CTX_set1_transactionID(ctx, NULL)
174 && OSSL_CMP_CTX_set1_senderNonce(ctx, NULL)
175 && ossl_cmp_ctx_set1_recipNonce(ctx, NULL);
178 #define OSSL_CMP_ITAVs_free(itavs) \
179 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
180 #define X509_EXTENSIONS_free(exts) \
181 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free)
182 #define OSSL_CMP_PKIFREETEXT_free(text) \
183 sk_ASN1_UTF8STRING_pop_free(text, ASN1_UTF8STRING_free)
185 /* Frees OSSL_CMP_CTX variables allocated in OSSL_CMP_CTX_new() */
186 void OSSL_CMP_CTX_free(OSSL_CMP_CTX *ctx)
191 if (ctx->http_ctx != NULL) {
192 (void)OSSL_HTTP_close(ctx->http_ctx, 1);
193 ossl_cmp_debug(ctx, "disconnected from CMP server");
195 OPENSSL_free(ctx->propq);
196 OPENSSL_free(ctx->serverPath);
197 OPENSSL_free(ctx->server);
198 OPENSSL_free(ctx->proxy);
199 OPENSSL_free(ctx->no_proxy);
201 X509_free(ctx->srvCert);
202 X509_free(ctx->validatedSrvCert);
203 X509_NAME_free(ctx->expected_sender);
204 X509_STORE_free(ctx->trusted);
205 X509_STACK_free(ctx->untrusted);
207 X509_free(ctx->cert);
208 X509_STACK_free(ctx->chain);
209 EVP_PKEY_free(ctx->pkey);
210 ASN1_OCTET_STRING_free(ctx->referenceValue);
211 if (ctx->secretValue != NULL)
212 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
213 ASN1_OCTET_STRING_free(ctx->secretValue);
214 EVP_MD_free(ctx->pbm_owf);
216 X509_NAME_free(ctx->recipient);
217 EVP_MD_free(ctx->digest);
218 ASN1_OCTET_STRING_free(ctx->transactionID);
219 ASN1_OCTET_STRING_free(ctx->senderNonce);
220 ASN1_OCTET_STRING_free(ctx->recipNonce);
221 OSSL_CMP_ITAVs_free(ctx->geninfo_ITAVs);
222 X509_STACK_free(ctx->extraCertsOut);
224 EVP_PKEY_free(ctx->newPkey);
225 X509_NAME_free(ctx->issuer);
226 X509_NAME_free(ctx->subjectName);
227 sk_GENERAL_NAME_pop_free(ctx->subjectAltNames, GENERAL_NAME_free);
228 X509_EXTENSIONS_free(ctx->reqExtensions);
229 sk_POLICYINFO_pop_free(ctx->policies, POLICYINFO_free);
230 X509_free(ctx->oldCert);
231 X509_REQ_free(ctx->p10CSR);
233 OSSL_CMP_ITAVs_free(ctx->genm_ITAVs);
235 OSSL_CMP_PKIFREETEXT_free(ctx->statusString);
236 X509_free(ctx->newCert);
237 X509_STACK_free(ctx->newChain);
238 X509_STACK_free(ctx->caPubs);
239 X509_STACK_free(ctx->extraCertsIn);
244 #define DEFINE_OSSL_set(PREFIX, FIELD, TYPE) \
245 int PREFIX##_set_##FIELD(OSSL_CMP_CTX *ctx, TYPE val) \
248 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
255 DEFINE_OSSL_set(ossl_cmp_ctx, status, int)
257 #define DEFINE_OSSL_get(PREFIX, FIELD, TYPE, ERR_RET) \
258 TYPE PREFIX##_get_##FIELD(const OSSL_CMP_CTX *ctx) \
261 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
268 * Returns the PKIStatus from the last CertRepMessage
269 * or Revocation Response or error message, -1 on error
271 DEFINE_OSSL_get(OSSL_CMP_CTX, status, int, -1)
274 * Returns the statusString from the last CertRepMessage
275 * or Revocation Response or error message, NULL on error
277 DEFINE_OSSL_CMP_CTX_get0(statusString, OSSL_CMP_PKIFREETEXT)
279 DEFINE_OSSL_set0(ossl_cmp_ctx, statusString, OSSL_CMP_PKIFREETEXT)
281 int ossl_cmp_ctx_set0_validatedSrvCert(OSSL_CMP_CTX *ctx, X509 *cert)
283 if (!ossl_assert(ctx != NULL))
285 X509_free(ctx->validatedSrvCert);
286 ctx->validatedSrvCert = cert;
290 /* Set callback function for checking if the cert is ok or should be rejected */
291 DEFINE_OSSL_set(OSSL_CMP_CTX, certConf_cb, OSSL_CMP_certConf_cb_t)
294 * Set argument, respectively a pointer to a structure containing arguments,
295 * optionally to be used by the certConf callback.
297 DEFINE_OSSL_set(OSSL_CMP_CTX, certConf_cb_arg, void *)
300 * Get argument, respectively the pointer to a structure containing arguments,
301 * optionally to be used by certConf callback.
302 * Returns callback argument set previously (NULL if not set or on error)
304 DEFINE_OSSL_get(OSSL_CMP_CTX, certConf_cb_arg, void *, NULL)
306 #ifndef OPENSSL_NO_TRACE
307 static size_t ossl_cmp_log_trace_cb(const char *buf, size_t cnt,
308 int category, int cmd, void *vdata)
310 OSSL_CMP_CTX *ctx = vdata;
312 OSSL_CMP_severity level = -1;
317 if (buf == NULL || cnt == 0 || cmd != OSSL_TRACE_CTRL_WRITE || ctx == NULL)
319 if (ctx->log_cb == NULL)
320 return 1; /* silently drop message */
322 msg = ossl_cmp_log_parse_metadata(buf, &level, &func, &file, &line);
324 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
325 goto end; /* suppress output since severity is not sufficient */
327 if (!ctx->log_cb(func != NULL ? func : "(no func)",
328 file != NULL ? file : "(no file)",
339 /* Print CMP log messages (i.e., diagnostic info) via the log cb of the ctx */
340 int ossl_cmp_print_log(OSSL_CMP_severity level, const OSSL_CMP_CTX *ctx,
341 const char *func, const char *file, int line,
342 const char *level_str, const char *format, ...)
345 char hugebuf[1024 * 2];
348 if (ctx == NULL || ctx->log_cb == NULL)
349 return 1; /* silently drop message */
351 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
352 return 1; /* suppress output since severity is not sufficient */
357 va_start(args, format);
360 func = "(unset function name)";
362 file = "(unset file name)";
363 if (level_str == NULL)
364 level_str = "(unset level string)";
366 #ifndef OPENSSL_NO_TRACE
367 if (OSSL_TRACE_ENABLED(CMP)) {
368 OSSL_TRACE_BEGIN(CMP) {
370 BIO_snprintf(hugebuf, sizeof(hugebuf),
371 "%s:%s:%d:" OSSL_CMP_LOG_PREFIX "%s: ",
372 func, file, line, level_str);
373 if (printed > 0 && (size_t)printed < sizeof(hugebuf)) {
374 if (BIO_vsnprintf(hugebuf + printed,
375 sizeof(hugebuf) - printed, format, args) > 0)
376 res = BIO_puts(trc_out, hugebuf) > 0;
378 } OSSL_TRACE_END(CMP);
380 #else /* compensate for disabled trace API */
382 if (BIO_vsnprintf(hugebuf, sizeof(hugebuf), format, args) > 0)
383 res = ctx->log_cb(func, file, line, level, hugebuf);
390 /* Set a callback function for error reporting and logging messages */
391 int OSSL_CMP_CTX_set_log_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_log_cb_t cb)
394 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
399 #ifndef OPENSSL_NO_TRACE
400 /* do also in case cb == NULL, to switch off logging output: */
401 if (!OSSL_trace_set_callback(OSSL_TRACE_CATEGORY_CMP,
402 ossl_cmp_log_trace_cb, ctx))
409 /* Print OpenSSL and CMP errors via the log cb of the ctx or ERR_print_errors */
410 void OSSL_CMP_CTX_print_errors(const OSSL_CMP_CTX *ctx)
412 if (ctx != NULL && OSSL_CMP_LOG_ERR > ctx->log_verbosity)
413 return; /* suppress output since severity is not sufficient */
414 OSSL_CMP_print_errors_cb(ctx == NULL ? NULL : ctx->log_cb);
418 * Set or clear the reference value to be used for identification
419 * (i.e., the user name) when using PBMAC.
421 int OSSL_CMP_CTX_set1_referenceValue(OSSL_CMP_CTX *ctx,
422 const unsigned char *ref, int len)
425 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
429 ossl_cmp_asn1_octet_string_set1_bytes(&ctx->referenceValue, ref, len);
432 /* Set or clear the password to be used for protecting messages with PBMAC */
433 int OSSL_CMP_CTX_set1_secretValue(OSSL_CMP_CTX *ctx, const unsigned char *sec,
436 ASN1_OCTET_STRING *secretValue = NULL;
439 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
442 if (ossl_cmp_asn1_octet_string_set1_bytes(&secretValue, sec, len) != 1)
444 if (ctx->secretValue != NULL) {
445 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
446 ASN1_OCTET_STRING_free(ctx->secretValue);
448 ctx->secretValue = secretValue;
452 #define DEFINE_OSSL_CMP_CTX_get1_certs(FIELD) \
453 STACK_OF(X509) *OSSL_CMP_CTX_get1_##FIELD(const OSSL_CMP_CTX *ctx) \
456 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
459 return X509_chain_up_ref(ctx->FIELD); \
462 /* Returns the cert chain computed by OSSL_CMP_certConf_cb(), NULL on error */
463 DEFINE_OSSL_CMP_CTX_get1_certs(newChain)
465 #define DEFINE_OSSL_set1_certs(PREFIX, FIELD) \
466 int PREFIX##_set1_##FIELD(OSSL_CMP_CTX *ctx, STACK_OF(X509) *certs) \
469 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
472 X509_STACK_free(ctx->FIELD); \
474 return certs == NULL || (ctx->FIELD = X509_chain_up_ref(certs)) != NULL; \
478 * Copies any given stack of inbound X509 certificates to newChain
479 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
481 DEFINE_OSSL_set1_certs(ossl_cmp_ctx, newChain)
483 /* Returns the stack of extraCerts received in CertRepMessage, NULL on error */
484 DEFINE_OSSL_CMP_CTX_get1_certs(extraCertsIn)
487 * Copies any given stack of inbound X509 certificates to extraCertsIn
488 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
490 DEFINE_OSSL_set1_certs(ossl_cmp_ctx, extraCertsIn)
493 * Copies any given stack as the new stack of X509
494 * certificates to send out in the extraCerts field.
496 DEFINE_OSSL_set1_certs(OSSL_CMP_CTX, extraCertsOut)
499 * Add the given policy info object
500 * to the X509_EXTENSIONS of the requested certificate template.
502 int OSSL_CMP_CTX_push0_policy(OSSL_CMP_CTX *ctx, POLICYINFO *pinfo)
504 if (ctx == NULL || pinfo == NULL) {
505 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
509 if (ctx->policies == NULL
510 && (ctx->policies = CERTIFICATEPOLICIES_new()) == NULL)
513 return sk_POLICYINFO_push(ctx->policies, pinfo);
516 /* Add an ITAV for geninfo of the PKI message header */
517 int OSSL_CMP_CTX_push0_geninfo_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
520 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
523 return OSSL_CMP_ITAV_push0_stack_item(&ctx->geninfo_ITAVs, itav);
526 /* Add an itav for the body of outgoing general messages */
527 int OSSL_CMP_CTX_push0_genm_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
530 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
533 return OSSL_CMP_ITAV_push0_stack_item(&ctx->genm_ITAVs, itav);
537 * Returns a duplicate of the stack of X509 certificates that
538 * were received in the caPubs field of the last CertRepMessage.
539 * Returns NULL on error
541 DEFINE_OSSL_CMP_CTX_get1_certs(caPubs)
544 * Copies any given stack of certificates to the given
545 * OSSL_CMP_CTX structure so that they may be retrieved later.
547 DEFINE_OSSL_set1_certs(ossl_cmp_ctx, caPubs)
549 #define char_dup OPENSSL_strdup
550 #define char_free OPENSSL_free
551 #define DEFINE_OSSL_CMP_CTX_set1(FIELD, TYPE) /* this uses _dup */ \
552 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, const TYPE *val) \
554 TYPE *val_dup = NULL; \
557 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
561 if (val != NULL && (val_dup = TYPE##_dup(val)) == NULL) \
563 TYPE##_free(ctx->FIELD); \
564 ctx->FIELD = val_dup; \
568 #define X509_invalid(cert) (!ossl_x509v3_cache_extensions(cert))
569 #define EVP_PKEY_invalid(key) 0
571 #define DEFINE_OSSL_set1_up_ref(PREFIX, FIELD, TYPE) \
572 int PREFIX##_set1_##FIELD(OSSL_CMP_CTX *ctx, TYPE *val) \
575 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
579 /* prevent misleading error later on malformed cert or provider issue */ \
580 if (val != NULL && TYPE##_invalid(val)) { \
581 ERR_raise(ERR_LIB_CMP, CMP_R_POTENTIALLY_INVALID_CERTIFICATE); \
584 if (val != NULL && !TYPE##_up_ref(val)) \
586 TYPE##_free(ctx->FIELD); \
592 * Pins the server certificate to be directly trusted (even if it is expired)
593 * for verifying response messages.
594 * Cert pointer is not consumed. It may be NULL to clear the entry.
596 DEFINE_OSSL_set1_up_ref(OSSL_CMP_CTX, srvCert, X509)
598 /* Set the X509 name of the recipient. Set in the PKIHeader */
599 DEFINE_OSSL_CMP_CTX_set1(recipient, X509_NAME)
601 /* Store the X509 name of the expected sender in the PKIHeader of responses */
602 DEFINE_OSSL_CMP_CTX_set1(expected_sender, X509_NAME)
604 /* Set the X509 name of the issuer. Set in the PKIHeader */
605 DEFINE_OSSL_CMP_CTX_set1(issuer, X509_NAME)
608 * Set the subject name that will be placed in the certificate
609 * request. This will be the subject name on the received certificate.
611 DEFINE_OSSL_CMP_CTX_set1(subjectName, X509_NAME)
613 /* Set the X.509v3 certificate request extensions to be used in IR/CR/KUR */
614 int OSSL_CMP_CTX_set0_reqExtensions(OSSL_CMP_CTX *ctx, X509_EXTENSIONS *exts)
617 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
621 if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0 && exts != NULL
622 && X509v3_get_ext_by_NID(exts, NID_subject_alt_name, -1) >= 0) {
623 ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_SAN_SOURCES);
626 X509_EXTENSIONS_free(ctx->reqExtensions);
627 ctx->reqExtensions = exts;
631 /* returns 1 if ctx contains a Subject Alternative Name extension, else 0 */
632 int OSSL_CMP_CTX_reqExtensions_have_SAN(OSSL_CMP_CTX *ctx)
635 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
638 /* if one of the following conditions 'fail' this is not an error */
639 return ctx->reqExtensions != NULL
640 && X509v3_get_ext_by_NID(ctx->reqExtensions,
641 NID_subject_alt_name, -1) >= 0;
645 * Add a GENERAL_NAME structure that will be added to the CRMF
646 * request's extensions field to request subject alternative names.
648 int OSSL_CMP_CTX_push1_subjectAltName(OSSL_CMP_CTX *ctx,
649 const GENERAL_NAME *name)
651 GENERAL_NAME *name_dup;
653 if (ctx == NULL || name == NULL) {
654 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
658 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1) {
659 ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_SAN_SOURCES);
663 if (ctx->subjectAltNames == NULL
664 && (ctx->subjectAltNames = sk_GENERAL_NAME_new_null()) == NULL)
666 if ((name_dup = GENERAL_NAME_dup(name)) == NULL)
668 if (!sk_GENERAL_NAME_push(ctx->subjectAltNames, name_dup)) {
669 GENERAL_NAME_free(name_dup);
676 * Set our own client certificate, used for example in KUR and when
677 * doing the IR with existing certificate.
679 DEFINE_OSSL_set1_up_ref(OSSL_CMP_CTX, cert, X509)
681 int OSSL_CMP_CTX_build_cert_chain(OSSL_CMP_CTX *ctx, X509_STORE *own_trusted,
682 STACK_OF(X509) *candidates)
684 STACK_OF(X509) *chain;
687 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
691 if (!ossl_x509_add_certs_new(&ctx->untrusted, candidates,
692 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
695 ossl_cmp_debug(ctx, "trying to build chain for own CMP signer cert");
696 chain = X509_build_chain(ctx->cert, ctx->untrusted, own_trusted, 0,
697 ctx->libctx, ctx->propq);
699 ERR_raise(ERR_LIB_CMP, CMP_R_FAILED_BUILDING_OWN_CHAIN);
702 ossl_cmp_debug(ctx, "success building chain for own CMP signer cert");
708 * Set the old certificate that we are updating in KUR
709 * or the certificate to be revoked in RR, respectively.
710 * Also used as reference cert (defaulting to cert) for deriving subject DN
711 * and SANs. Its issuer is used as default recipient in the CMP message header.
713 DEFINE_OSSL_set1_up_ref(OSSL_CMP_CTX, oldCert, X509)
715 /* Set the PKCS#10 CSR to be sent in P10CR */
716 DEFINE_OSSL_CMP_CTX_set1(p10CSR, X509_REQ)
719 * Set the (newly received in IP/KUP/CP) certificate in the context.
720 * This only permits for one cert to be enrolled at a time.
722 DEFINE_OSSL_set0(ossl_cmp_ctx, newCert, X509)
725 * Get the (newly received in IP/KUP/CP) client certificate from the context
726 * This only permits for one client cert to be received...
728 DEFINE_OSSL_CMP_CTX_get0(newCert, X509)
730 /* Set the client's current private key */
731 DEFINE_OSSL_set1_up_ref(OSSL_CMP_CTX, pkey, EVP_PKEY)
733 /* Set new key pair. Used e.g. when doing Key Update */
734 int OSSL_CMP_CTX_set0_newPkey(OSSL_CMP_CTX *ctx, int priv, EVP_PKEY *pkey)
737 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
741 EVP_PKEY_free(ctx->newPkey);
743 ctx->newPkey_priv = priv;
747 /* Get the private/public key to use for cert enrollment, or NULL on error */
748 EVP_PKEY *OSSL_CMP_CTX_get0_newPkey(const OSSL_CMP_CTX *ctx, int priv)
751 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
755 if (ctx->newPkey != NULL)
756 return priv && !ctx->newPkey_priv ? NULL : ctx->newPkey;
757 if (ctx->p10CSR != NULL)
758 return priv ? NULL : X509_REQ_get0_pubkey(ctx->p10CSR);
759 return ctx->pkey; /* may be NULL */
762 #define DEFINE_set1_ASN1_OCTET_STRING(PREFIX, FIELD) \
763 int PREFIX##_set1_##FIELD(OSSL_CMP_CTX *ctx, const ASN1_OCTET_STRING *id) \
766 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
769 return ossl_cmp_asn1_octet_string_set1(&ctx->FIELD, id); \
772 /* Set the given transactionID to the context */
773 DEFINE_set1_ASN1_OCTET_STRING(OSSL_CMP_CTX, transactionID)
775 /* Set the nonce to be used for the recipNonce in the message created next */
776 DEFINE_set1_ASN1_OCTET_STRING(ossl_cmp_ctx, recipNonce)
778 /* Stores the given nonce as the last senderNonce sent out */
779 DEFINE_set1_ASN1_OCTET_STRING(OSSL_CMP_CTX, senderNonce)
781 /* Set the proxy server to use for HTTP(S) connections */
782 DEFINE_OSSL_CMP_CTX_set1(proxy, char)
784 /* Set the (HTTP) host name of the CMP server */
785 DEFINE_OSSL_CMP_CTX_set1(server, char)
787 /* Set the server exclusion list of the HTTP proxy server */
788 DEFINE_OSSL_CMP_CTX_set1(no_proxy, char)
790 /* Set the http connect/disconnect callback function to be used for HTTP(S) */
791 DEFINE_OSSL_set(OSSL_CMP_CTX, http_cb, OSSL_HTTP_bio_cb_t)
793 /* Set argument optionally to be used by the http connect/disconnect callback */
794 DEFINE_OSSL_set(OSSL_CMP_CTX, http_cb_arg, void *)
797 * Get argument optionally to be used by the http connect/disconnect callback
798 * Returns callback argument set previously (NULL if not set or on error)
800 DEFINE_OSSL_get(OSSL_CMP_CTX, http_cb_arg, void *, NULL)
802 /* Set callback function for sending CMP request and receiving response */
803 DEFINE_OSSL_set(OSSL_CMP_CTX, transfer_cb, OSSL_CMP_transfer_cb_t)
805 /* Set argument optionally to be used by the transfer callback */
806 DEFINE_OSSL_set(OSSL_CMP_CTX, transfer_cb_arg, void *)
809 * Get argument optionally to be used by the transfer callback.
810 * Returns callback argument set previously (NULL if not set or on error)
812 DEFINE_OSSL_get(OSSL_CMP_CTX, transfer_cb_arg, void *, NULL)
814 /** Set the HTTP server port to be used */
815 DEFINE_OSSL_set(OSSL_CMP_CTX, serverPort, int)
817 /* Set the HTTP path to be used on the server (e.g "pkix/") */
818 DEFINE_OSSL_CMP_CTX_set1(serverPath, char)
820 /* Set the failInfo error code as bit encoding in OSSL_CMP_CTX */
821 DEFINE_OSSL_set(ossl_cmp_ctx, failInfoCode, int)
824 * Get the failInfo error code in OSSL_CMP_CTX as bit encoding.
825 * Returns bit string as integer on success, -1 on error
827 DEFINE_OSSL_get(OSSL_CMP_CTX, failInfoCode, int, -1)
829 /* Set a Boolean or integer option of the context to the "val" arg */
830 int OSSL_CMP_CTX_set_option(OSSL_CMP_CTX *ctx, int opt, int val)
835 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
840 case OSSL_CMP_OPT_REVOCATION_REASON:
841 min_val = OCSP_REVOKED_STATUS_NOSTATUS;
843 case OSSL_CMP_OPT_POPO_METHOD:
844 min_val = OSSL_CRMF_POPO_NONE;
851 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_SMALL);
856 case OSSL_CMP_OPT_LOG_VERBOSITY:
857 if (val > OSSL_CMP_LOG_MAX) {
858 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
861 ctx->log_verbosity = val;
863 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
864 ctx->implicitConfirm = val;
866 case OSSL_CMP_OPT_DISABLE_CONFIRM:
867 ctx->disableConfirm = val;
869 case OSSL_CMP_OPT_UNPROTECTED_SEND:
870 ctx->unprotectedSend = val;
872 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
873 ctx->unprotectedErrors = val;
875 case OSSL_CMP_OPT_VALIDITY_DAYS:
878 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
879 ctx->SubjectAltName_nodefault = val;
881 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
882 ctx->setSubjectAltNameCritical = val;
884 case OSSL_CMP_OPT_POLICIES_CRITICAL:
885 ctx->setPoliciesCritical = val;
887 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
888 ctx->ignore_keyusage = val;
890 case OSSL_CMP_OPT_POPO_METHOD:
891 if (val > OSSL_CRMF_POPO_KEYAGREE) {
892 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
895 ctx->popoMethod = val;
897 case OSSL_CMP_OPT_DIGEST_ALGNID:
898 if (!cmp_ctx_set_md(ctx, &ctx->digest, val))
901 case OSSL_CMP_OPT_OWF_ALGNID:
902 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, val))
905 case OSSL_CMP_OPT_MAC_ALGNID:
908 case OSSL_CMP_OPT_KEEP_ALIVE:
909 ctx->keep_alive = val;
911 case OSSL_CMP_OPT_MSG_TIMEOUT:
912 ctx->msg_timeout = val;
914 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
915 ctx->total_timeout = val;
917 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
918 ctx->permitTAInExtraCertsForIR = val;
920 case OSSL_CMP_OPT_REVOCATION_REASON:
921 if (val > OCSP_REVOKED_STATUS_AACOMPROMISE) {
922 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
925 ctx->revocationReason = val;
928 ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_OPTION);
936 * Reads a Boolean or integer option value from the context.
937 * Returns -1 on error (which is the default OSSL_CMP_OPT_REVOCATION_REASON)
939 int OSSL_CMP_CTX_get_option(const OSSL_CMP_CTX *ctx, int opt)
942 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
947 case OSSL_CMP_OPT_LOG_VERBOSITY:
948 return ctx->log_verbosity;
949 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
950 return ctx->implicitConfirm;
951 case OSSL_CMP_OPT_DISABLE_CONFIRM:
952 return ctx->disableConfirm;
953 case OSSL_CMP_OPT_UNPROTECTED_SEND:
954 return ctx->unprotectedSend;
955 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
956 return ctx->unprotectedErrors;
957 case OSSL_CMP_OPT_VALIDITY_DAYS:
959 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
960 return ctx->SubjectAltName_nodefault;
961 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
962 return ctx->setSubjectAltNameCritical;
963 case OSSL_CMP_OPT_POLICIES_CRITICAL:
964 return ctx->setPoliciesCritical;
965 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
966 return ctx->ignore_keyusage;
967 case OSSL_CMP_OPT_POPO_METHOD:
968 return ctx->popoMethod;
969 case OSSL_CMP_OPT_DIGEST_ALGNID:
970 return EVP_MD_get_type(ctx->digest);
971 case OSSL_CMP_OPT_OWF_ALGNID:
972 return EVP_MD_get_type(ctx->pbm_owf);
973 case OSSL_CMP_OPT_MAC_ALGNID:
975 case OSSL_CMP_OPT_KEEP_ALIVE:
976 return ctx->keep_alive;
977 case OSSL_CMP_OPT_MSG_TIMEOUT:
978 return ctx->msg_timeout;
979 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
980 return ctx->total_timeout;
981 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
982 return ctx->permitTAInExtraCertsForIR;
983 case OSSL_CMP_OPT_REVOCATION_REASON:
984 return ctx->revocationReason;
986 ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_OPTION);