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>
24 * Get current certificate store containing trusted root CA certs
26 X509_STORE *OSSL_CMP_CTX_get0_trustedStore(const OSSL_CMP_CTX *ctx)
29 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
36 * Set certificate store containing trusted (root) CA certs and possibly CRLs
37 * and a cert verification callback function used for CMP server authentication.
38 * Any already existing store entry is freed. Given NULL, the entry is reset.
40 int OSSL_CMP_CTX_set0_trustedStore(OSSL_CMP_CTX *ctx, X509_STORE *store)
43 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
46 X509_STORE_free(ctx->trusted);
51 /* Get current list of non-trusted intermediate certs */
52 STACK_OF(X509) *OSSL_CMP_CTX_get0_untrusted(const OSSL_CMP_CTX *ctx)
55 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
58 return ctx->untrusted;
62 * Set untrusted certificates for path construction in authentication of
63 * the CMP server and potentially others (TLS server, newly enrolled cert).
65 int OSSL_CMP_CTX_set1_untrusted(OSSL_CMP_CTX *ctx, STACK_OF(X509) *certs)
67 STACK_OF(X509) *untrusted = NULL;
70 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
73 if (!ossl_x509_add_certs_new(&untrusted, certs,
74 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
76 sk_X509_pop_free(ctx->untrusted, X509_free);
77 ctx->untrusted = untrusted;
80 sk_X509_pop_free(untrusted, X509_free);
84 static int cmp_ctx_set_md(OSSL_CMP_CTX *ctx, EVP_MD **pmd, int nid)
86 EVP_MD *md = EVP_MD_fetch(ctx->libctx, OBJ_nid2sn(nid), ctx->propq);
87 /* fetching in advance to be able to throw error early if unsupported */
90 ERR_raise(ERR_LIB_CMP, CMP_R_UNSUPPORTED_ALGORITHM);
99 * Allocates and initializes OSSL_CMP_CTX context structure with default values.
100 * Returns new context on success, NULL on error
102 OSSL_CMP_CTX *OSSL_CMP_CTX_new(OSSL_LIB_CTX *libctx, const char *propq)
104 OSSL_CMP_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
109 ctx->libctx = libctx;
110 if (propq != NULL && (ctx->propq = OPENSSL_strdup(propq)) == NULL)
113 ctx->log_verbosity = OSSL_CMP_LOG_INFO;
116 ctx->failInfoCode = -1;
118 ctx->msg_timeout = 2 * 60;
120 if ((ctx->untrusted = sk_X509_new_null()) == NULL)
124 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, NID_sha256))
126 ctx->pbm_itercnt = 500;
127 ctx->pbm_mac = NID_hmac_sha1;
129 if (!cmp_ctx_set_md(ctx, &ctx->digest, NID_sha256))
131 ctx->popoMethod = OSSL_CRMF_POPO_SIGNATURE;
132 ctx->revocationReason = CRL_REASON_NONE;
134 /* all other elements are initialized to 0 or NULL, respectively */
138 OSSL_CMP_CTX_free(ctx);
139 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
143 /* Prepare the OSSL_CMP_CTX for next use, partly re-initializing OSSL_CMP_CTX */
144 int OSSL_CMP_CTX_reinit(OSSL_CMP_CTX *ctx)
147 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
152 ctx->failInfoCode = -1;
154 return ossl_cmp_ctx_set0_statusString(ctx, NULL)
155 && ossl_cmp_ctx_set0_newCert(ctx, NULL)
156 && ossl_cmp_ctx_set1_newChain(ctx, NULL)
157 && ossl_cmp_ctx_set1_caPubs(ctx, NULL)
158 && ossl_cmp_ctx_set1_extraCertsIn(ctx, NULL)
159 && ossl_cmp_ctx_set0_validatedSrvCert(ctx, NULL)
160 && OSSL_CMP_CTX_set1_transactionID(ctx, NULL)
161 && OSSL_CMP_CTX_set1_senderNonce(ctx, NULL)
162 && ossl_cmp_ctx_set1_recipNonce(ctx, NULL);
165 /* Frees OSSL_CMP_CTX variables allocated in OSSL_CMP_CTX_new() */
166 void OSSL_CMP_CTX_free(OSSL_CMP_CTX *ctx)
171 OPENSSL_free(ctx->serverPath);
172 OPENSSL_free(ctx->server);
173 OPENSSL_free(ctx->proxy);
174 OPENSSL_free(ctx->no_proxy);
176 X509_free(ctx->srvCert);
177 X509_free(ctx->validatedSrvCert);
178 X509_NAME_free(ctx->expected_sender);
179 X509_STORE_free(ctx->trusted);
180 sk_X509_pop_free(ctx->untrusted, X509_free);
182 X509_free(ctx->cert);
183 sk_X509_pop_free(ctx->chain, X509_free);
184 EVP_PKEY_free(ctx->pkey);
185 ASN1_OCTET_STRING_free(ctx->referenceValue);
186 if (ctx->secretValue != NULL)
187 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
188 ASN1_OCTET_STRING_free(ctx->secretValue);
189 EVP_MD_free(ctx->pbm_owf);
191 X509_NAME_free(ctx->recipient);
192 EVP_MD_free(ctx->digest);
193 ASN1_OCTET_STRING_free(ctx->transactionID);
194 ASN1_OCTET_STRING_free(ctx->senderNonce);
195 ASN1_OCTET_STRING_free(ctx->recipNonce);
196 sk_OSSL_CMP_ITAV_pop_free(ctx->geninfo_ITAVs, OSSL_CMP_ITAV_free);
197 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
199 EVP_PKEY_free(ctx->newPkey);
200 X509_NAME_free(ctx->issuer);
201 X509_NAME_free(ctx->subjectName);
202 sk_GENERAL_NAME_pop_free(ctx->subjectAltNames, GENERAL_NAME_free);
203 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
204 sk_POLICYINFO_pop_free(ctx->policies, POLICYINFO_free);
205 X509_free(ctx->oldCert);
206 X509_REQ_free(ctx->p10CSR);
208 sk_OSSL_CMP_ITAV_pop_free(ctx->genm_ITAVs, OSSL_CMP_ITAV_free);
210 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
211 X509_free(ctx->newCert);
212 sk_X509_pop_free(ctx->newChain, X509_free);
213 sk_X509_pop_free(ctx->caPubs, X509_free);
214 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
219 int ossl_cmp_ctx_set_status(OSSL_CMP_CTX *ctx, int status)
221 if (!ossl_assert(ctx != NULL))
223 ctx->status = status;
228 * Returns the PKIStatus from the last CertRepMessage
229 * or Revocation Response or error message, -1 on error
231 int OSSL_CMP_CTX_get_status(const OSSL_CMP_CTX *ctx)
234 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
241 * Returns the statusString from the last CertRepMessage
242 * or Revocation Response or error message, NULL on error
244 OSSL_CMP_PKIFREETEXT *OSSL_CMP_CTX_get0_statusString(const OSSL_CMP_CTX *ctx)
247 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
250 return ctx->statusString;
253 int ossl_cmp_ctx_set0_statusString(OSSL_CMP_CTX *ctx,
254 OSSL_CMP_PKIFREETEXT *text)
256 if (!ossl_assert(ctx != NULL))
258 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
259 ctx->statusString = text;
263 int ossl_cmp_ctx_set0_validatedSrvCert(OSSL_CMP_CTX *ctx, X509 *cert)
265 if (!ossl_assert(ctx != NULL))
267 X509_free(ctx->validatedSrvCert);
268 ctx->validatedSrvCert = cert;
272 /* Set callback function for checking if the cert is ok or should be rejected */
273 int OSSL_CMP_CTX_set_certConf_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_certConf_cb_t cb)
276 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
279 ctx->certConf_cb = cb;
284 * Set argument, respectively a pointer to a structure containing arguments,
285 * optionally to be used by the certConf callback.
287 int OSSL_CMP_CTX_set_certConf_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
290 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
293 ctx->certConf_cb_arg = arg;
298 * Get argument, respectively the pointer to a structure containing arguments,
299 * optionally to be used by certConf callback.
300 * Returns callback argument set previously (NULL if not set or on error)
302 void *OSSL_CMP_CTX_get_certConf_cb_arg(const OSSL_CMP_CTX *ctx)
305 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
308 return ctx->certConf_cb_arg;
311 #ifndef OPENSSL_NO_TRACE
312 static size_t ossl_cmp_log_trace_cb(const char *buf, size_t cnt,
313 int category, int cmd, void *vdata)
315 OSSL_CMP_CTX *ctx = vdata;
317 OSSL_CMP_severity level = -1;
322 if (buf == NULL || cnt == 0 || cmd != OSSL_TRACE_CTRL_WRITE || ctx == NULL)
324 if (ctx->log_cb == NULL)
325 return 1; /* silently drop message */
327 msg = ossl_cmp_log_parse_metadata(buf, &level, &func, &file, &line);
329 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
330 goto end; /* suppress output since severity is not sufficient */
332 if (!ctx->log_cb(func != NULL ? func : "(no func)",
333 file != NULL ? file : "(no file)",
344 /* Print CMP log messages (i.e., diagnostic info) via the log cb of the ctx */
345 int ossl_cmp_print_log(OSSL_CMP_severity level, const OSSL_CMP_CTX *ctx,
346 const char *func, const char *file, int line,
347 const char *level_str, const char *format, ...)
350 char hugebuf[1024 * 2];
353 if (ctx == NULL || ctx->log_cb == NULL)
354 return 1; /* silently drop message */
356 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
357 return 1; /* suppress output since severity is not sufficient */
362 va_start(args, format);
365 func = "(unset function name)";
367 file = "(unset file name)";
368 if (level_str == NULL)
369 level_str = "(unset level string)";
371 #ifndef OPENSSL_NO_TRACE
372 if (OSSL_TRACE_ENABLED(CMP)) {
373 OSSL_TRACE_BEGIN(CMP) {
375 BIO_snprintf(hugebuf, sizeof(hugebuf),
376 "%s:%s:%d:" OSSL_CMP_LOG_PREFIX "%s: ",
377 func, file, line, level_str);
378 if (printed > 0 && (size_t)printed < sizeof(hugebuf)) {
379 if (BIO_vsnprintf(hugebuf + printed,
380 sizeof(hugebuf) - printed, format, args) > 0)
381 res = BIO_puts(trc_out, hugebuf) > 0;
383 } OSSL_TRACE_END(CMP);
385 #else /* compensate for disabled trace API */
387 if (BIO_vsnprintf(hugebuf, sizeof(hugebuf), format, args) > 0)
388 res = ctx->log_cb(func, file, line, level, hugebuf);
395 /* Set a callback function for error reporting and logging messages */
396 int OSSL_CMP_CTX_set_log_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_log_cb_t cb)
399 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
404 #ifndef OPENSSL_NO_TRACE
405 /* do also in case cb == NULL, to switch off logging output: */
406 if (!OSSL_trace_set_callback(OSSL_TRACE_CATEGORY_CMP,
407 ossl_cmp_log_trace_cb, ctx))
414 /* Print OpenSSL and CMP errors via the log cb of the ctx or ERR_print_errors */
415 void OSSL_CMP_CTX_print_errors(const OSSL_CMP_CTX *ctx)
417 if (ctx != NULL && OSSL_CMP_LOG_ERR > ctx->log_verbosity)
418 return; /* suppress output since severity is not sufficient */
419 OSSL_CMP_print_errors_cb(ctx == NULL ? NULL : ctx->log_cb);
423 * Set or clear the reference value to be used for identification
424 * (i.e., the user name) when using PBMAC.
426 int OSSL_CMP_CTX_set1_referenceValue(OSSL_CMP_CTX *ctx,
427 const unsigned char *ref, int len)
430 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
433 return ossl_cmp_asn1_octet_string_set1_bytes(&ctx->referenceValue, ref,
437 /* Set or clear the password to be used for protecting messages with PBMAC */
438 int OSSL_CMP_CTX_set1_secretValue(OSSL_CMP_CTX *ctx, const unsigned char *sec,
441 ASN1_OCTET_STRING *secretValue = NULL;
443 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
446 if (ossl_cmp_asn1_octet_string_set1_bytes(&secretValue, sec, len) != 1)
448 if (ctx->secretValue != NULL) {
449 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
450 ASN1_OCTET_STRING_free(ctx->secretValue);
452 ctx->secretValue = secretValue;
456 /* Returns the cert chain computed by OSSL_CMP_certConf_cb(), NULL on error */
457 STACK_OF(X509) *OSSL_CMP_CTX_get1_newChain(const OSSL_CMP_CTX *ctx)
460 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
463 return X509_chain_up_ref(ctx->newChain);
467 * Copies any given stack of inbound X509 certificates to newChain
468 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
470 int ossl_cmp_ctx_set1_newChain(OSSL_CMP_CTX *ctx, STACK_OF(X509) *newChain)
472 if (!ossl_assert(ctx != NULL))
475 sk_X509_pop_free(ctx->newChain, X509_free);
476 ctx->newChain = NULL;
477 return newChain == NULL ||
478 (ctx->newChain = X509_chain_up_ref(newChain)) != NULL;
481 /* Returns the stack of extraCerts received in CertRepMessage, NULL on error */
482 STACK_OF(X509) *OSSL_CMP_CTX_get1_extraCertsIn(const OSSL_CMP_CTX *ctx)
485 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
488 return X509_chain_up_ref(ctx->extraCertsIn);
492 * Copies any given stack of inbound X509 certificates to extraCertsIn
493 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
495 int ossl_cmp_ctx_set1_extraCertsIn(OSSL_CMP_CTX *ctx,
496 STACK_OF(X509) *extraCertsIn)
498 if (!ossl_assert(ctx != NULL))
501 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
502 ctx->extraCertsIn = NULL;
503 return extraCertsIn == NULL
504 || (ctx->extraCertsIn = X509_chain_up_ref(extraCertsIn)) != NULL;
508 * Copies any given stack as the new stack of X509
509 * certificates to send out in the extraCerts field.
511 int OSSL_CMP_CTX_set1_extraCertsOut(OSSL_CMP_CTX *ctx,
512 STACK_OF(X509) *extraCertsOut)
515 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
519 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
520 ctx->extraCertsOut = NULL;
521 return extraCertsOut == NULL
522 || (ctx->extraCertsOut = X509_chain_up_ref(extraCertsOut)) != NULL;
526 * Add the given policy info object
527 * to the X509_EXTENSIONS of the requested certificate template.
529 int OSSL_CMP_CTX_push0_policy(OSSL_CMP_CTX *ctx, POLICYINFO *pinfo)
531 if (ctx == NULL || pinfo == NULL) {
532 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
536 if (ctx->policies == NULL
537 && (ctx->policies = CERTIFICATEPOLICIES_new()) == NULL)
540 return sk_POLICYINFO_push(ctx->policies, pinfo);
543 /* Add an ITAV for geninfo of the PKI message header */
544 int OSSL_CMP_CTX_push0_geninfo_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
547 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
550 return OSSL_CMP_ITAV_push0_stack_item(&ctx->geninfo_ITAVs, itav);
553 /* Add an itav for the body of outgoing general messages */
554 int OSSL_CMP_CTX_push0_genm_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
557 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
560 return OSSL_CMP_ITAV_push0_stack_item(&ctx->genm_ITAVs, itav);
564 * Returns a duplicate of the stack of X509 certificates that
565 * were received in the caPubs field of the last CertRepMessage.
566 * Returns NULL on error
568 STACK_OF(X509) *OSSL_CMP_CTX_get1_caPubs(const OSSL_CMP_CTX *ctx)
571 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
574 return X509_chain_up_ref(ctx->caPubs);
578 * Copies any given stack of certificates to the given
579 * OSSL_CMP_CTX structure so that they may be retrieved later.
581 int ossl_cmp_ctx_set1_caPubs(OSSL_CMP_CTX *ctx, STACK_OF(X509) *caPubs)
583 if (!ossl_assert(ctx != NULL))
586 sk_X509_pop_free(ctx->caPubs, X509_free);
588 return caPubs == NULL || (ctx->caPubs = X509_chain_up_ref(caPubs)) != NULL;
591 #define char_dup OPENSSL_strdup
592 #define char_free OPENSSL_free
593 #define DEFINE_OSSL_CMP_CTX_set1(FIELD, TYPE) /* this uses _dup */ \
594 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, const TYPE *val) \
596 TYPE *val_dup = NULL; \
599 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
603 if (val != NULL && (val_dup = TYPE##_dup(val)) == NULL) \
605 TYPE##_free(ctx->FIELD); \
606 ctx->FIELD = val_dup; \
610 #define X509_invalid(cert) (!ossl_x509v3_cache_extensions(cert))
611 #define EVP_PKEY_invalid(key) 0
612 #define DEFINE_OSSL_CMP_CTX_set1_up_ref(FIELD, TYPE) \
613 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, TYPE *val) \
616 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); \
620 /* prevent misleading error later on malformed cert or provider issue */ \
621 if (val != NULL && TYPE##_invalid(val)) { \
622 ERR_raise(ERR_LIB_CMP, CMP_R_POTENTIALLY_INVALID_CERTIFICATE); \
625 if (val != NULL && !TYPE##_up_ref(val)) \
627 TYPE##_free(ctx->FIELD); \
633 * Pins the server certificate to be directly trusted (even if it is expired)
634 * for verifying response messages.
635 * Cert pointer is not consumed. It may be NULL to clear the entry.
637 DEFINE_OSSL_CMP_CTX_set1_up_ref(srvCert, X509)
639 /* Set the X509 name of the recipient. Set in the PKIHeader */
640 DEFINE_OSSL_CMP_CTX_set1(recipient, X509_NAME)
642 /* Store the X509 name of the expected sender in the PKIHeader of responses */
643 DEFINE_OSSL_CMP_CTX_set1(expected_sender, X509_NAME)
645 /* Set the X509 name of the issuer. Set in the PKIHeader */
646 DEFINE_OSSL_CMP_CTX_set1(issuer, X509_NAME)
649 * Set the subject name that will be placed in the certificate
650 * request. This will be the subject name on the received certificate.
652 DEFINE_OSSL_CMP_CTX_set1(subjectName, X509_NAME)
654 /* Set the X.509v3 certificate request extensions to be used in IR/CR/KUR */
655 int OSSL_CMP_CTX_set0_reqExtensions(OSSL_CMP_CTX *ctx, X509_EXTENSIONS *exts)
658 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
662 if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0 && exts != NULL
663 && X509v3_get_ext_by_NID(exts, NID_subject_alt_name, -1) >= 0) {
664 ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_SAN_SOURCES);
667 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
668 ctx->reqExtensions = exts;
672 /* returns 1 if ctx contains a Subject Alternative Name extension, else 0 */
673 int OSSL_CMP_CTX_reqExtensions_have_SAN(OSSL_CMP_CTX *ctx)
676 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
679 /* if one of the following conditions 'fail' this is not an error */
680 return ctx->reqExtensions != NULL
681 && X509v3_get_ext_by_NID(ctx->reqExtensions,
682 NID_subject_alt_name, -1) >= 0;
686 * Add a GENERAL_NAME structure that will be added to the CRMF
687 * request's extensions field to request subject alternative names.
689 int OSSL_CMP_CTX_push1_subjectAltName(OSSL_CMP_CTX *ctx,
690 const GENERAL_NAME *name)
692 GENERAL_NAME *name_dup;
694 if (ctx == NULL || name == NULL) {
695 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
699 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1) {
700 ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_SAN_SOURCES);
704 if (ctx->subjectAltNames == NULL
705 && (ctx->subjectAltNames = sk_GENERAL_NAME_new_null()) == NULL)
707 if ((name_dup = GENERAL_NAME_dup(name)) == NULL)
709 if (!sk_GENERAL_NAME_push(ctx->subjectAltNames, name_dup)) {
710 GENERAL_NAME_free(name_dup);
717 * Set our own client certificate, used for example in KUR and when
718 * doing the IR with existing certificate.
720 DEFINE_OSSL_CMP_CTX_set1_up_ref(cert, X509)
722 int OSSL_CMP_CTX_build_cert_chain(OSSL_CMP_CTX *ctx, X509_STORE *own_trusted,
723 STACK_OF(X509) *candidates)
725 STACK_OF(X509) *chain;
728 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
732 if (!ossl_x509_add_certs_new(&ctx->untrusted, candidates,
733 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
736 ossl_cmp_debug(ctx, "trying to build chain for own CMP signer cert");
737 chain = ossl_cmp_build_cert_chain(ctx->libctx, ctx->propq, own_trusted,
738 ctx->untrusted, ctx->cert);
740 ERR_raise(ERR_LIB_CMP, CMP_R_FAILED_BUILDING_OWN_CHAIN);
743 ossl_cmp_debug(ctx, "success building chain for own CMP signer cert");
749 * Set the old certificate that we are updating in KUR
750 * or the certificate to be revoked in RR, respectively.
751 * Also used as reference cert (defaulting to cert) for deriving subject DN
752 * and SANs. Its issuer is used as default recipient in the CMP message header.
754 DEFINE_OSSL_CMP_CTX_set1_up_ref(oldCert, X509)
756 /* Set the PKCS#10 CSR to be sent in P10CR */
757 DEFINE_OSSL_CMP_CTX_set1(p10CSR, X509_REQ)
760 * Set the (newly received in IP/KUP/CP) certificate in the context.
761 * TODO: this only permits for one cert to be enrolled at a time.
763 int ossl_cmp_ctx_set0_newCert(OSSL_CMP_CTX *ctx, X509 *cert)
765 if (!ossl_assert(ctx != NULL))
768 X509_free(ctx->newCert);
774 * Get the (newly received in IP/KUP/CP) client certificate from the context
775 * TODO: this only permits for one client cert to be received...
777 X509 *OSSL_CMP_CTX_get0_newCert(const OSSL_CMP_CTX *ctx)
780 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
786 /* Set the client's current private key */
787 DEFINE_OSSL_CMP_CTX_set1_up_ref(pkey, EVP_PKEY)
789 /* Set new key pair. Used e.g. when doing Key Update */
790 int OSSL_CMP_CTX_set0_newPkey(OSSL_CMP_CTX *ctx, int priv, EVP_PKEY *pkey)
793 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
797 EVP_PKEY_free(ctx->newPkey);
799 ctx->newPkey_priv = priv;
803 /* Get the private/public key to use for cert enrollment, or NULL on error */
804 EVP_PKEY *OSSL_CMP_CTX_get0_newPkey(const OSSL_CMP_CTX *ctx, int priv)
807 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
811 if (ctx->newPkey != NULL)
812 return priv && !ctx->newPkey_priv ? NULL : ctx->newPkey;
813 if (ctx->p10CSR != NULL)
814 return priv ? NULL : X509_REQ_get0_pubkey(ctx->p10CSR);
815 return ctx->pkey; /* may be NULL */
818 /* Set the given transactionID to the context */
819 int OSSL_CMP_CTX_set1_transactionID(OSSL_CMP_CTX *ctx,
820 const ASN1_OCTET_STRING *id)
823 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
826 return ossl_cmp_asn1_octet_string_set1(&ctx->transactionID, id);
829 /* Set the nonce to be used for the recipNonce in the message created next */
830 int ossl_cmp_ctx_set1_recipNonce(OSSL_CMP_CTX *ctx,
831 const ASN1_OCTET_STRING *nonce)
833 if (!ossl_assert(ctx != NULL))
835 return ossl_cmp_asn1_octet_string_set1(&ctx->recipNonce, nonce);
838 /* Stores the given nonce as the last senderNonce sent out */
839 int OSSL_CMP_CTX_set1_senderNonce(OSSL_CMP_CTX *ctx,
840 const ASN1_OCTET_STRING *nonce)
843 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
846 return ossl_cmp_asn1_octet_string_set1(&ctx->senderNonce, nonce);
849 /* Set the proxy server to use for HTTP(S) connections */
850 DEFINE_OSSL_CMP_CTX_set1(proxy, char)
852 /* Set the (HTTP) host name of the CMP server */
853 DEFINE_OSSL_CMP_CTX_set1(server, char)
855 /* Set the server exclusion list of the HTTP proxy server */
856 DEFINE_OSSL_CMP_CTX_set1(no_proxy, char)
858 /* Set the http connect/disconnect callback function to be used for HTTP(S) */
859 int OSSL_CMP_CTX_set_http_cb(OSSL_CMP_CTX *ctx, OSSL_HTTP_bio_cb_t cb)
862 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
869 /* Set argument optionally to be used by the http connect/disconnect callback */
870 int OSSL_CMP_CTX_set_http_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
873 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
876 ctx->http_cb_arg = arg;
881 * Get argument optionally to be used by the http connect/disconnect callback
882 * Returns callback argument set previously (NULL if not set or on error)
884 void *OSSL_CMP_CTX_get_http_cb_arg(const OSSL_CMP_CTX *ctx)
887 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
890 return ctx->http_cb_arg;
893 /* Set callback function for sending CMP request and receiving response */
894 int OSSL_CMP_CTX_set_transfer_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_transfer_cb_t cb)
897 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
900 ctx->transfer_cb = cb;
904 /* Set argument optionally to be used by the transfer callback */
905 int OSSL_CMP_CTX_set_transfer_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
908 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
911 ctx->transfer_cb_arg = arg;
916 * Get argument optionally to be used by the transfer callback.
917 * Returns callback argument set previously (NULL if not set or on error)
919 void *OSSL_CMP_CTX_get_transfer_cb_arg(const OSSL_CMP_CTX *ctx)
922 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
925 return ctx->transfer_cb_arg;
928 /** Set the HTTP server port to be used */
929 int OSSL_CMP_CTX_set_serverPort(OSSL_CMP_CTX *ctx, int port)
932 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
935 ctx->serverPort = port;
939 /* Set the HTTP path to be used on the server (e.g "pkix/") */
940 DEFINE_OSSL_CMP_CTX_set1(serverPath, char)
942 /* Set the failInfo error code as bit encoding in OSSL_CMP_CTX */
943 int ossl_cmp_ctx_set_failInfoCode(OSSL_CMP_CTX *ctx, int fail_info)
945 if (!ossl_assert(ctx != NULL))
947 ctx->failInfoCode = fail_info;
952 * Get the failInfo error code in OSSL_CMP_CTX as bit encoding.
953 * Returns bit string as integer on success, -1 on error
955 int OSSL_CMP_CTX_get_failInfoCode(const OSSL_CMP_CTX *ctx)
958 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
961 return ctx->failInfoCode;
964 /* Set a Boolean or integer option of the context to the "val" arg */
965 int OSSL_CMP_CTX_set_option(OSSL_CMP_CTX *ctx, int opt, int val)
970 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
975 case OSSL_CMP_OPT_REVOCATION_REASON:
976 min_val = OCSP_REVOKED_STATUS_NOSTATUS;
978 case OSSL_CMP_OPT_POPO_METHOD:
979 min_val = OSSL_CRMF_POPO_NONE;
986 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_SMALL);
991 case OSSL_CMP_OPT_LOG_VERBOSITY:
992 if (val > OSSL_CMP_LOG_MAX) {
993 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
996 ctx->log_verbosity = val;
998 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
999 ctx->implicitConfirm = val;
1001 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1002 ctx->disableConfirm = val;
1004 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1005 ctx->unprotectedSend = val;
1007 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1008 ctx->unprotectedErrors = val;
1010 case OSSL_CMP_OPT_VALIDITY_DAYS:
1013 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1014 ctx->SubjectAltName_nodefault = val;
1016 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1017 ctx->setSubjectAltNameCritical = val;
1019 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1020 ctx->setPoliciesCritical = val;
1022 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1023 ctx->ignore_keyusage = val;
1025 case OSSL_CMP_OPT_POPO_METHOD:
1026 if (val > OSSL_CRMF_POPO_KEYAGREE) {
1027 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
1030 ctx->popoMethod = val;
1032 case OSSL_CMP_OPT_DIGEST_ALGNID:
1033 if (!cmp_ctx_set_md(ctx, &ctx->digest, val))
1036 case OSSL_CMP_OPT_OWF_ALGNID:
1037 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, val))
1040 case OSSL_CMP_OPT_MAC_ALGNID:
1043 case OSSL_CMP_OPT_MSG_TIMEOUT:
1044 ctx->msg_timeout = val;
1046 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1047 ctx->total_timeout = val;
1049 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1050 ctx->permitTAInExtraCertsForIR = val;
1052 case OSSL_CMP_OPT_REVOCATION_REASON:
1053 if (val > OCSP_REVOKED_STATUS_AACOMPROMISE) {
1054 ERR_raise(ERR_LIB_CMP, CMP_R_VALUE_TOO_LARGE);
1057 ctx->revocationReason = val;
1060 ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_OPTION);
1068 * Reads a Boolean or integer option value from the context.
1069 * Returns -1 on error (which is the default OSSL_CMP_OPT_REVOCATION_REASON)
1071 int OSSL_CMP_CTX_get_option(const OSSL_CMP_CTX *ctx, int opt)
1074 ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1079 case OSSL_CMP_OPT_LOG_VERBOSITY:
1080 return ctx->log_verbosity;
1081 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
1082 return ctx->implicitConfirm;
1083 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1084 return ctx->disableConfirm;
1085 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1086 return ctx->unprotectedSend;
1087 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1088 return ctx->unprotectedErrors;
1089 case OSSL_CMP_OPT_VALIDITY_DAYS:
1091 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1092 return ctx->SubjectAltName_nodefault;
1093 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1094 return ctx->setSubjectAltNameCritical;
1095 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1096 return ctx->setPoliciesCritical;
1097 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1098 return ctx->ignore_keyusage;
1099 case OSSL_CMP_OPT_POPO_METHOD:
1100 return ctx->popoMethod;
1101 case OSSL_CMP_OPT_DIGEST_ALGNID:
1102 return EVP_MD_type(ctx->digest);
1103 case OSSL_CMP_OPT_OWF_ALGNID:
1104 return EVP_MD_type(ctx->pbm_owf);
1105 case OSSL_CMP_OPT_MAC_ALGNID:
1106 return ctx->pbm_mac;
1107 case OSSL_CMP_OPT_MSG_TIMEOUT:
1108 return ctx->msg_timeout;
1109 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1110 return ctx->total_timeout;
1111 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1112 return ctx->permitTAInExtraCertsForIR;
1113 case OSSL_CMP_OPT_REVOCATION_REASON:
1114 return ctx->revocationReason;
1116 ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_OPTION);