2 * Copyright 2007-2020 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_* */
15 #include "crypto/x509.h" /* for x509v3_cache_extensions() */
17 #include "cmp_local.h"
19 /* explicit #includes not strictly needed since implied by the above: */
20 #include <openssl/cmp.h>
21 #include <openssl/crmf.h>
22 #include <openssl/err.h>
25 DEFINE_STACK_OF(X509_EXTENSION)
26 DEFINE_STACK_OF(POLICYINFO)
27 DEFINE_STACK_OF(ASN1_UTF8STRING)
28 DEFINE_STACK_OF(GENERAL_NAME)
29 DEFINE_STACK_OF(OSSL_CMP_ITAV)
32 * Get current certificate store containing trusted root CA certs
34 X509_STORE *OSSL_CMP_CTX_get0_trustedStore(const OSSL_CMP_CTX *ctx)
37 CMPerr(0, CMP_R_NULL_ARGUMENT);
44 * Set certificate store containing trusted (root) CA certs and possibly CRLs
45 * and a cert verification callback function used for CMP server authentication.
46 * Any already existing store entry is freed. Given NULL, the entry is reset.
48 int OSSL_CMP_CTX_set0_trustedStore(OSSL_CMP_CTX *ctx, X509_STORE *store)
51 CMPerr(0, CMP_R_NULL_ARGUMENT);
54 X509_STORE_free(ctx->trusted);
59 /* Get current list of non-trusted intermediate certs */
60 STACK_OF(X509) *OSSL_CMP_CTX_get0_untrusted(const OSSL_CMP_CTX *ctx)
63 CMPerr(0, CMP_R_NULL_ARGUMENT);
66 return ctx->untrusted;
70 * Set untrusted certificates for path construction in authentication of
71 * the CMP server and potentially others (TLS server, newly enrolled cert).
73 int OSSL_CMP_CTX_set1_untrusted(OSSL_CMP_CTX *ctx, STACK_OF(X509) *certs)
75 STACK_OF(X509) *untrusted;
77 CMPerr(0, CMP_R_NULL_ARGUMENT);
80 if ((untrusted = sk_X509_new_null()) == NULL)
82 if (X509_add_certs(untrusted, certs,
83 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP) != 1)
85 sk_X509_pop_free(ctx->untrusted, X509_free);
86 ctx->untrusted = untrusted;
89 sk_X509_pop_free(untrusted, X509_free);
93 static int cmp_ctx_set_md(OSSL_CMP_CTX *ctx, EVP_MD **pmd, int nid)
95 EVP_MD *md = EVP_MD_fetch(ctx->libctx, OBJ_nid2sn(nid), ctx->propq);
96 /* fetching in advance to be able to throw error early if unsupported */
99 CMPerr(0, CMP_R_UNSUPPORTED_ALGORITHM);
108 * Allocates and initializes OSSL_CMP_CTX context structure with default values.
109 * Returns new context on success, NULL on error
111 OSSL_CMP_CTX *OSSL_CMP_CTX_new(OPENSSL_CTX *libctx, const char *propq)
113 OSSL_CMP_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
118 ctx->libctx = libctx;
119 if (propq != NULL && (ctx->propq = OPENSSL_strdup(propq)) == NULL)
122 ctx->log_verbosity = OSSL_CMP_LOG_INFO;
125 ctx->failInfoCode = -1;
127 ctx->msg_timeout = 2 * 60;
129 if ((ctx->untrusted = sk_X509_new_null()) == NULL)
133 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, NID_sha256))
135 ctx->pbm_itercnt = 500;
136 ctx->pbm_mac = NID_hmac_sha1;
138 if (!cmp_ctx_set_md(ctx, &ctx->digest, NID_sha256))
140 ctx->popoMethod = OSSL_CRMF_POPO_SIGNATURE;
141 ctx->revocationReason = CRL_REASON_NONE;
143 /* all other elements are initialized to 0 or NULL, respectively */
147 OSSL_CMP_CTX_free(ctx);
148 X509err(0, ERR_R_MALLOC_FAILURE);
152 /* Prepare the OSSL_CMP_CTX for next use, partly re-initializing OSSL_CMP_CTX */
153 int OSSL_CMP_CTX_reinit(OSSL_CMP_CTX *ctx)
156 CMPerr(0, CMP_R_NULL_ARGUMENT);
161 ctx->failInfoCode = -1;
163 return ossl_cmp_ctx_set0_statusString(ctx, NULL)
164 && ossl_cmp_ctx_set0_newCert(ctx, NULL)
165 && ossl_cmp_ctx_set1_newChain(ctx, NULL)
166 && ossl_cmp_ctx_set1_caPubs(ctx, NULL)
167 && ossl_cmp_ctx_set1_extraCertsIn(ctx, NULL)
168 && ossl_cmp_ctx_set0_validatedSrvCert(ctx, NULL)
169 && OSSL_CMP_CTX_set1_transactionID(ctx, NULL)
170 && OSSL_CMP_CTX_set1_senderNonce(ctx, NULL)
171 && ossl_cmp_ctx_set1_recipNonce(ctx, NULL);
174 /* Frees OSSL_CMP_CTX variables allocated in OSSL_CMP_CTX_new() */
175 void OSSL_CMP_CTX_free(OSSL_CMP_CTX *ctx)
180 OPENSSL_free(ctx->serverPath);
181 OPENSSL_free(ctx->server);
182 OPENSSL_free(ctx->proxy);
183 OPENSSL_free(ctx->no_proxy);
185 X509_free(ctx->srvCert);
186 X509_free(ctx->validatedSrvCert);
187 X509_NAME_free(ctx->expected_sender);
188 X509_STORE_free(ctx->trusted);
189 sk_X509_pop_free(ctx->untrusted, X509_free);
191 X509_free(ctx->cert);
192 EVP_PKEY_free(ctx->pkey);
193 ASN1_OCTET_STRING_free(ctx->referenceValue);
194 if (ctx->secretValue != NULL)
195 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
196 ASN1_OCTET_STRING_free(ctx->secretValue);
197 EVP_MD_free(ctx->pbm_owf);
199 X509_NAME_free(ctx->recipient);
200 EVP_MD_free(ctx->digest);
201 ASN1_OCTET_STRING_free(ctx->transactionID);
202 ASN1_OCTET_STRING_free(ctx->senderNonce);
203 ASN1_OCTET_STRING_free(ctx->recipNonce);
204 sk_OSSL_CMP_ITAV_pop_free(ctx->geninfo_ITAVs, OSSL_CMP_ITAV_free);
205 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
207 EVP_PKEY_free(ctx->newPkey);
208 X509_NAME_free(ctx->issuer);
209 X509_NAME_free(ctx->subjectName);
210 sk_GENERAL_NAME_pop_free(ctx->subjectAltNames, GENERAL_NAME_free);
211 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
212 sk_POLICYINFO_pop_free(ctx->policies, POLICYINFO_free);
213 X509_free(ctx->oldCert);
214 X509_REQ_free(ctx->p10CSR);
216 sk_OSSL_CMP_ITAV_pop_free(ctx->genm_ITAVs, OSSL_CMP_ITAV_free);
218 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
219 X509_free(ctx->newCert);
220 sk_X509_pop_free(ctx->newChain, X509_free);
221 sk_X509_pop_free(ctx->caPubs, X509_free);
222 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
227 int ossl_cmp_ctx_set_status(OSSL_CMP_CTX *ctx, int status)
229 if (!ossl_assert(ctx != NULL))
231 ctx->status = status;
236 * Returns the PKIStatus from the last CertRepMessage
237 * or Revocation Response or error message, -1 on error
239 int OSSL_CMP_CTX_get_status(const OSSL_CMP_CTX *ctx)
242 CMPerr(0, CMP_R_NULL_ARGUMENT);
249 * Returns the statusString from the last CertRepMessage
250 * or Revocation Response or error message, NULL on error
252 OSSL_CMP_PKIFREETEXT *OSSL_CMP_CTX_get0_statusString(const OSSL_CMP_CTX *ctx)
255 CMPerr(0, CMP_R_NULL_ARGUMENT);
258 return ctx->statusString;
261 int ossl_cmp_ctx_set0_statusString(OSSL_CMP_CTX *ctx,
262 OSSL_CMP_PKIFREETEXT *text)
264 if (!ossl_assert(ctx != NULL))
266 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
267 ctx->statusString = text;
271 int ossl_cmp_ctx_set0_validatedSrvCert(OSSL_CMP_CTX *ctx, X509 *cert)
273 if (!ossl_assert(ctx != NULL))
275 X509_free(ctx->validatedSrvCert);
276 ctx->validatedSrvCert = cert;
280 /* Set callback function for checking if the cert is ok or should be rejected */
281 int OSSL_CMP_CTX_set_certConf_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_certConf_cb_t cb)
284 CMPerr(0, CMP_R_NULL_ARGUMENT);
287 ctx->certConf_cb = cb;
292 * Set argument, respectively a pointer to a structure containing arguments,
293 * optionally to be used by the certConf callback.
295 int OSSL_CMP_CTX_set_certConf_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
298 CMPerr(0, CMP_R_NULL_ARGUMENT);
301 ctx->certConf_cb_arg = arg;
306 * Get argument, respectively the pointer to a structure containing arguments,
307 * optionally to be used by certConf callback.
308 * Returns callback argument set previously (NULL if not set or on error)
310 void *OSSL_CMP_CTX_get_certConf_cb_arg(const OSSL_CMP_CTX *ctx)
313 CMPerr(0, CMP_R_NULL_ARGUMENT);
316 return ctx->certConf_cb_arg;
319 #ifndef OPENSSL_NO_TRACE
320 static size_t ossl_cmp_log_trace_cb(const char *buf, size_t cnt,
321 int category, int cmd, void *vdata)
323 OSSL_CMP_CTX *ctx = vdata;
325 OSSL_CMP_severity level = -1;
330 if (buf == NULL || cnt == 0 || cmd != OSSL_TRACE_CTRL_WRITE || ctx == NULL)
332 if (ctx->log_cb == NULL)
333 return 1; /* silently drop message */
335 msg = ossl_cmp_log_parse_metadata(buf, &level, &func, &file, &line);
337 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
338 goto end; /* suppress output since severity is not sufficient */
340 if (!ctx->log_cb(func != NULL ? func : "(no func)",
341 file != NULL ? file : "(no file)",
352 /* Print CMP log messages (i.e., diagnostic info) via the log cb of the ctx */
353 int ossl_cmp_print_log(OSSL_CMP_severity level, const OSSL_CMP_CTX *ctx,
354 const char *func, const char *file, int line,
355 const char *level_str, const char *format, ...)
358 char hugebuf[1024 * 2];
361 if (ctx == NULL || ctx->log_cb == NULL)
362 return 1; /* silently drop message */
364 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
365 return 1; /* suppress output since severity is not sufficient */
370 va_start(args, format);
373 func = "(unset function name)";
375 file = "(unset file name)";
376 if (level_str == NULL)
377 level_str = "(unset level string)";
379 #ifndef OPENSSL_NO_TRACE
380 if (OSSL_TRACE_ENABLED(CMP)) {
381 OSSL_TRACE_BEGIN(CMP) {
383 BIO_snprintf(hugebuf, sizeof(hugebuf),
384 "%s:%s:%d:" OSSL_CMP_LOG_PREFIX "%s: ",
385 func, file, line, level_str);
386 if (printed > 0 && (size_t)printed < sizeof(hugebuf)) {
387 if (BIO_vsnprintf(hugebuf + printed,
388 sizeof(hugebuf) - printed, format, args) > 0)
389 res = BIO_puts(trc_out, hugebuf) > 0;
391 } OSSL_TRACE_END(CMP);
393 #else /* compensate for disabled trace API */
395 if (BIO_vsnprintf(hugebuf, sizeof(hugebuf), format, args) > 0)
396 res = ctx->log_cb(func, file, line, level, hugebuf);
403 /* Set a callback function for error reporting and logging messages */
404 int OSSL_CMP_CTX_set_log_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_log_cb_t cb)
407 CMPerr(0, CMP_R_NULL_ARGUMENT);
412 #ifndef OPENSSL_NO_TRACE
413 /* do also in case cb == NULL, to switch off logging output: */
414 if (!OSSL_trace_set_callback(OSSL_TRACE_CATEGORY_CMP,
415 ossl_cmp_log_trace_cb, ctx))
422 /* Print OpenSSL and CMP errors via the log cb of the ctx or ERR_print_errors */
423 void OSSL_CMP_CTX_print_errors(const OSSL_CMP_CTX *ctx)
425 if (ctx != NULL && OSSL_CMP_LOG_ERR > ctx->log_verbosity)
426 return; /* suppress output since severity is not sufficient */
427 OSSL_CMP_print_errors_cb(ctx == NULL ? NULL : ctx->log_cb);
431 * Set or clear the reference value to be used for identification
432 * (i.e., the user name) when using PBMAC.
434 int OSSL_CMP_CTX_set1_referenceValue(OSSL_CMP_CTX *ctx,
435 const unsigned char *ref, int len)
438 CMPerr(0, CMP_R_NULL_ARGUMENT);
441 return ossl_cmp_asn1_octet_string_set1_bytes(&ctx->referenceValue, ref,
445 /* Set or clear the password to be used for protecting messages with PBMAC */
446 int OSSL_CMP_CTX_set1_secretValue(OSSL_CMP_CTX *ctx, const unsigned char *sec,
449 ASN1_OCTET_STRING *secretValue = NULL;
451 CMPerr(0, CMP_R_NULL_ARGUMENT);
454 if (ossl_cmp_asn1_octet_string_set1_bytes(&secretValue, sec, len) != 1)
456 if (ctx->secretValue != NULL) {
457 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
458 ASN1_OCTET_STRING_free(ctx->secretValue);
460 ctx->secretValue = secretValue;
464 /* Returns the cert chain computed by OSSL_CMP_certConf_cb(), NULL on error */
465 STACK_OF(X509) *OSSL_CMP_CTX_get1_newChain(const OSSL_CMP_CTX *ctx)
468 CMPerr(0, CMP_R_NULL_ARGUMENT);
471 if (ctx->newChain == NULL)
472 return sk_X509_new_null();
473 return X509_chain_up_ref(ctx->newChain);
477 * Copies any given stack of inbound X509 certificates to newChain
478 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
480 int ossl_cmp_ctx_set1_newChain(OSSL_CMP_CTX *ctx, STACK_OF(X509) *newChain)
482 if (!ossl_assert(ctx != NULL))
485 sk_X509_pop_free(ctx->newChain, X509_free);
487 if (newChain == NULL)
489 return (ctx->newChain = X509_chain_up_ref(newChain)) != NULL;
493 * Returns the stack of certificates received in a response message.
494 * The stack is duplicated so the caller must handle freeing it!
495 * Returns pointer to created stack on success, NULL on error
497 STACK_OF(X509) *OSSL_CMP_CTX_get1_extraCertsIn(const OSSL_CMP_CTX *ctx)
500 CMPerr(0, CMP_R_NULL_ARGUMENT);
503 if (ctx->extraCertsIn == NULL)
504 return sk_X509_new_null();
505 return X509_chain_up_ref(ctx->extraCertsIn);
509 * Copies any given stack of inbound X509 certificates to extraCertsIn
510 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
512 int ossl_cmp_ctx_set1_extraCertsIn(OSSL_CMP_CTX *ctx,
513 STACK_OF(X509) *extraCertsIn)
515 if (!ossl_assert(ctx != NULL))
518 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
519 ctx->extraCertsIn = NULL;
520 if (extraCertsIn == NULL)
522 return (ctx->extraCertsIn = X509_chain_up_ref(extraCertsIn)) != NULL;
526 * Duplicate and set the given stack as the new stack of X509
527 * certificates to send out in the extraCerts field.
529 int OSSL_CMP_CTX_set1_extraCertsOut(OSSL_CMP_CTX *ctx,
530 STACK_OF(X509) *extraCertsOut)
533 CMPerr(0, CMP_R_NULL_ARGUMENT);
537 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
538 ctx->extraCertsOut = NULL;
539 if (extraCertsOut == NULL)
541 return (ctx->extraCertsOut = X509_chain_up_ref(extraCertsOut)) != NULL;
545 * Add the given policy info object
546 * to the X509_EXTENSIONS of the requested certificate template.
548 int OSSL_CMP_CTX_push0_policy(OSSL_CMP_CTX *ctx, POLICYINFO *pinfo)
550 if (ctx == NULL || pinfo == NULL) {
551 CMPerr(0, CMP_R_NULL_ARGUMENT);
555 if (ctx->policies == NULL
556 && (ctx->policies = CERTIFICATEPOLICIES_new()) == NULL)
559 return sk_POLICYINFO_push(ctx->policies, pinfo);
562 /* Add an ITAV for geninfo of the PKI message header */
563 int OSSL_CMP_CTX_push0_geninfo_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
566 CMPerr(0, CMP_R_NULL_ARGUMENT);
569 return OSSL_CMP_ITAV_push0_stack_item(&ctx->geninfo_ITAVs, itav);
572 /* Add an itav for the body of outgoing general messages */
573 int OSSL_CMP_CTX_push0_genm_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
576 CMPerr(0, CMP_R_NULL_ARGUMENT);
579 return OSSL_CMP_ITAV_push0_stack_item(&ctx->genm_ITAVs, itav);
583 * Returns a duplicate of the stack of X509 certificates that
584 * were received in the caPubs field of the last CertRepMessage.
585 * Returns NULL on error
587 STACK_OF(X509) *OSSL_CMP_CTX_get1_caPubs(const OSSL_CMP_CTX *ctx)
590 CMPerr(0, CMP_R_NULL_ARGUMENT);
593 if (ctx->caPubs == NULL)
594 return sk_X509_new_null();
595 return X509_chain_up_ref(ctx->caPubs);
599 * Duplicate and copy the given stack of certificates to the given
600 * OSSL_CMP_CTX structure so that they may be retrieved later.
602 int ossl_cmp_ctx_set1_caPubs(OSSL_CMP_CTX *ctx, STACK_OF(X509) *caPubs)
604 if (!ossl_assert(ctx != NULL))
607 sk_X509_pop_free(ctx->caPubs, X509_free);
611 return (ctx->caPubs = X509_chain_up_ref(caPubs)) != NULL;
614 #define char_dup OPENSSL_strdup
615 #define char_free OPENSSL_free
616 #define DEFINE_OSSL_CMP_CTX_set1(FIELD, TYPE) /* this uses _dup */ \
617 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, const TYPE *val) \
619 TYPE *val_dup = NULL; \
622 CMPerr(0, CMP_R_NULL_ARGUMENT); \
626 if (val != NULL && (val_dup = TYPE##_dup(val)) == NULL) \
628 TYPE##_free(ctx->FIELD); \
629 ctx->FIELD = val_dup; \
633 #define X509_invalid(cert) (!x509v3_cache_extensions(cert))
634 #define EVP_PKEY_invalid(key) 0
635 #define DEFINE_OSSL_CMP_CTX_set1_up_ref(FIELD, TYPE) \
636 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, TYPE *val) \
639 CMPerr(0, CMP_R_NULL_ARGUMENT); \
643 /* prevent misleading error later on malformed cert or provider issue */ \
644 if (val != NULL && TYPE##_invalid(val)) { \
645 CMPerr(0, CMP_R_POTENTIALLY_INVALID_CERTIFICATE); \
648 if (val != NULL && !TYPE##_up_ref(val)) \
650 TYPE##_free(ctx->FIELD); \
656 * Pins the server certificate to be directly trusted (even if it is expired)
657 * for verifying response messages.
658 * Cert pointer is not consumed. It may be NULL to clear the entry.
660 DEFINE_OSSL_CMP_CTX_set1_up_ref(srvCert, X509)
662 /* Set the X509 name of the recipient. Set in the PKIHeader */
663 DEFINE_OSSL_CMP_CTX_set1(recipient, X509_NAME)
665 /* Store the X509 name of the expected sender in the PKIHeader of responses */
666 DEFINE_OSSL_CMP_CTX_set1(expected_sender, X509_NAME)
668 /* Set the X509 name of the issuer. Set in the PKIHeader */
669 DEFINE_OSSL_CMP_CTX_set1(issuer, X509_NAME)
672 * Set the subject name that will be placed in the certificate
673 * request. This will be the subject name on the received certificate.
675 DEFINE_OSSL_CMP_CTX_set1(subjectName, X509_NAME)
677 /* Set the X.509v3 certificate request extensions to be used in IR/CR/KUR */
678 int OSSL_CMP_CTX_set0_reqExtensions(OSSL_CMP_CTX *ctx, X509_EXTENSIONS *exts)
681 CMPerr(0, CMP_R_NULL_ARGUMENT);
685 if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0 && exts != NULL
686 && X509v3_get_ext_by_NID(exts, NID_subject_alt_name, -1) >= 0) {
687 CMPerr(0, CMP_R_MULTIPLE_SAN_SOURCES);
690 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
691 ctx->reqExtensions = exts;
695 /* returns 1 if ctx contains a Subject Alternative Name extension, else 0 */
696 int OSSL_CMP_CTX_reqExtensions_have_SAN(OSSL_CMP_CTX *ctx)
699 CMPerr(0, CMP_R_NULL_ARGUMENT);
702 /* if one of the following conditions 'fail' this is not an error */
703 return ctx->reqExtensions != NULL
704 && X509v3_get_ext_by_NID(ctx->reqExtensions,
705 NID_subject_alt_name, -1) >= 0;
709 * Add a GENERAL_NAME structure that will be added to the CRMF
710 * request's extensions field to request subject alternative names.
712 int OSSL_CMP_CTX_push1_subjectAltName(OSSL_CMP_CTX *ctx,
713 const GENERAL_NAME *name)
715 GENERAL_NAME *name_dup;
717 if (ctx == NULL || name == NULL) {
718 CMPerr(0, CMP_R_NULL_ARGUMENT);
722 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1) {
723 CMPerr(0, CMP_R_MULTIPLE_SAN_SOURCES);
727 if (ctx->subjectAltNames == NULL
728 && (ctx->subjectAltNames = sk_GENERAL_NAME_new_null()) == NULL)
730 if ((name_dup = GENERAL_NAME_dup(name)) == NULL)
732 if (!sk_GENERAL_NAME_push(ctx->subjectAltNames, name_dup)) {
733 GENERAL_NAME_free(name_dup);
740 * Set our own client certificate, used for example in KUR and when
741 * doing the IR with existing certificate.
743 DEFINE_OSSL_CMP_CTX_set1_up_ref(cert, X509)
745 int OSSL_CMP_CTX_build_cert_chain(OSSL_CMP_CTX *ctx, X509_STORE *own_trusted,
746 STACK_OF(X509) *candidates)
748 STACK_OF(X509) *chain;
751 CMPerr(0, CMP_R_NULL_ARGUMENT);
755 if (ctx->untrusted != NULL ?
756 !X509_add_certs(ctx->untrusted, candidates,
757 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP) :
758 !OSSL_CMP_CTX_set1_untrusted(ctx, candidates))
761 ossl_cmp_debug(ctx, "trying to build chain for own CMP signer cert");
762 chain = ossl_cmp_build_cert_chain(ctx->libctx, ctx->propq, own_trusted,
763 ctx->untrusted, ctx->cert);
765 CMPerr(0, CMP_R_FAILED_BUILDING_OWN_CHAIN);
768 ossl_cmp_debug(ctx, "success building chain for own CMP signer cert");
769 sk_X509_pop_free(chain, X509_free); /* TODO(3.0) replace this by 'ctx->chain = chain;' when ctx->chain is available */
774 * Set the old certificate that we are updating in KUR
775 * or the certificate to be revoked in RR, respectively.
776 * Also used as reference cert (defaulting to cert) for deriving subject DN
777 * and SANs. Its issuer is used as default recipient in the CMP message header.
779 DEFINE_OSSL_CMP_CTX_set1_up_ref(oldCert, X509)
781 /* Set the PKCS#10 CSR to be sent in P10CR */
782 DEFINE_OSSL_CMP_CTX_set1(p10CSR, X509_REQ)
785 * Set the (newly received in IP/KUP/CP) certificate in the context.
786 * TODO: this only permits for one cert to be enrolled at a time.
788 int ossl_cmp_ctx_set0_newCert(OSSL_CMP_CTX *ctx, X509 *cert)
790 if (!ossl_assert(ctx != NULL))
793 X509_free(ctx->newCert);
799 * Get the (newly received in IP/KUP/CP) client certificate from the context
800 * TODO: this only permits for one client cert to be received...
802 X509 *OSSL_CMP_CTX_get0_newCert(const OSSL_CMP_CTX *ctx)
805 CMPerr(0, CMP_R_NULL_ARGUMENT);
811 /* Set the client's current private key */
812 DEFINE_OSSL_CMP_CTX_set1_up_ref(pkey, EVP_PKEY)
814 /* Set new key pair. Used e.g. when doing Key Update */
815 int OSSL_CMP_CTX_set0_newPkey(OSSL_CMP_CTX *ctx, int priv, EVP_PKEY *pkey)
818 CMPerr(0, CMP_R_NULL_ARGUMENT);
822 EVP_PKEY_free(ctx->newPkey);
824 ctx->newPkey_priv = priv;
828 /* Get the private/public key to use for cert enrollment, or NULL on error */
829 EVP_PKEY *OSSL_CMP_CTX_get0_newPkey(const OSSL_CMP_CTX *ctx, int priv)
832 CMPerr(0, CMP_R_NULL_ARGUMENT);
836 if (ctx->newPkey != NULL)
837 return priv && !ctx->newPkey_priv ? NULL : ctx->newPkey;
838 if (ctx->p10CSR != NULL)
839 return priv ? NULL : X509_REQ_get0_pubkey(ctx->p10CSR);
840 return ctx->pkey; /* may be NULL */
843 /* Set the given transactionID to the context */
844 int OSSL_CMP_CTX_set1_transactionID(OSSL_CMP_CTX *ctx,
845 const ASN1_OCTET_STRING *id)
848 CMPerr(0, CMP_R_NULL_ARGUMENT);
851 return ossl_cmp_asn1_octet_string_set1(&ctx->transactionID, id);
854 /* Set the nonce to be used for the recipNonce in the message created next */
855 int ossl_cmp_ctx_set1_recipNonce(OSSL_CMP_CTX *ctx,
856 const ASN1_OCTET_STRING *nonce)
858 if (!ossl_assert(ctx != NULL))
860 return ossl_cmp_asn1_octet_string_set1(&ctx->recipNonce, nonce);
863 /* Stores the given nonce as the last senderNonce sent out */
864 int OSSL_CMP_CTX_set1_senderNonce(OSSL_CMP_CTX *ctx,
865 const ASN1_OCTET_STRING *nonce)
868 CMPerr(0, CMP_R_NULL_ARGUMENT);
871 return ossl_cmp_asn1_octet_string_set1(&ctx->senderNonce, nonce);
874 /* Set the proxy server to use for HTTP(S) connections */
875 DEFINE_OSSL_CMP_CTX_set1(proxy, char)
877 /* Set the (HTTP) host name of the CMP server */
878 DEFINE_OSSL_CMP_CTX_set1(server, char)
880 /* Set the server exclusion list of the HTTP proxy server */
881 DEFINE_OSSL_CMP_CTX_set1(no_proxy, char)
883 /* Set the http connect/disconnect callback function to be used for HTTP(S) */
884 int OSSL_CMP_CTX_set_http_cb(OSSL_CMP_CTX *ctx, OSSL_HTTP_bio_cb_t cb)
887 CMPerr(0, CMP_R_NULL_ARGUMENT);
894 /* Set argument optionally to be used by the http connect/disconnect callback */
895 int OSSL_CMP_CTX_set_http_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
898 CMPerr(0, CMP_R_NULL_ARGUMENT);
901 ctx->http_cb_arg = arg;
906 * Get argument optionally to be used by the http connect/disconnect callback
907 * Returns callback argument set previously (NULL if not set or on error)
909 void *OSSL_CMP_CTX_get_http_cb_arg(const OSSL_CMP_CTX *ctx)
912 CMPerr(0, CMP_R_NULL_ARGUMENT);
915 return ctx->http_cb_arg;
918 /* Set callback function for sending CMP request and receiving response */
919 int OSSL_CMP_CTX_set_transfer_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_transfer_cb_t cb)
922 CMPerr(0, CMP_R_NULL_ARGUMENT);
925 ctx->transfer_cb = cb;
929 /* Set argument optionally to be used by the transfer callback */
930 int OSSL_CMP_CTX_set_transfer_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
933 CMPerr(0, CMP_R_NULL_ARGUMENT);
936 ctx->transfer_cb_arg = arg;
941 * Get argument optionally to be used by the transfer callback.
942 * Returns callback argument set previously (NULL if not set or on error)
944 void *OSSL_CMP_CTX_get_transfer_cb_arg(const OSSL_CMP_CTX *ctx)
947 CMPerr(0, CMP_R_NULL_ARGUMENT);
950 return ctx->transfer_cb_arg;
953 /** Set the HTTP server port to be used */
954 int OSSL_CMP_CTX_set_serverPort(OSSL_CMP_CTX *ctx, int port)
957 CMPerr(0, CMP_R_NULL_ARGUMENT);
960 ctx->serverPort = port;
964 /* Set the HTTP path to be used on the server (e.g "pkix/") */
965 DEFINE_OSSL_CMP_CTX_set1(serverPath, char)
967 /* Set the failInfo error code as bit encoding in OSSL_CMP_CTX */
968 int ossl_cmp_ctx_set_failInfoCode(OSSL_CMP_CTX *ctx, int fail_info)
970 if (!ossl_assert(ctx != NULL))
972 ctx->failInfoCode = fail_info;
977 * Get the failInfo error code in OSSL_CMP_CTX as bit encoding.
978 * Returns bit string as integer on success, -1 on error
980 int OSSL_CMP_CTX_get_failInfoCode(const OSSL_CMP_CTX *ctx)
983 CMPerr(0, CMP_R_NULL_ARGUMENT);
986 return ctx->failInfoCode;
989 /* Set a Boolean or integer option of the context to the "val" arg */
990 int OSSL_CMP_CTX_set_option(OSSL_CMP_CTX *ctx, int opt, int val)
995 CMPerr(0, CMP_R_NULL_ARGUMENT);
1000 case OSSL_CMP_OPT_REVOCATION_REASON:
1001 min_val = OCSP_REVOKED_STATUS_NOSTATUS;
1003 case OSSL_CMP_OPT_POPO_METHOD:
1004 min_val = OSSL_CRMF_POPO_NONE;
1010 if (val < min_val) {
1011 CMPerr(0, CMP_R_VALUE_TOO_SMALL);
1016 case OSSL_CMP_OPT_LOG_VERBOSITY:
1017 if (val > OSSL_CMP_LOG_MAX) {
1018 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1021 ctx->log_verbosity = val;
1023 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
1024 ctx->implicitConfirm = val;
1026 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1027 ctx->disableConfirm = val;
1029 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1030 ctx->unprotectedSend = val;
1032 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1033 ctx->unprotectedErrors = val;
1035 case OSSL_CMP_OPT_VALIDITY_DAYS:
1038 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1039 ctx->SubjectAltName_nodefault = val;
1041 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1042 ctx->setSubjectAltNameCritical = val;
1044 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1045 ctx->setPoliciesCritical = val;
1047 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1048 ctx->ignore_keyusage = val;
1050 case OSSL_CMP_OPT_POPO_METHOD:
1051 if (val > OSSL_CRMF_POPO_KEYAGREE) {
1052 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1055 ctx->popoMethod = val;
1057 case OSSL_CMP_OPT_DIGEST_ALGNID:
1058 if (!cmp_ctx_set_md(ctx, &ctx->digest, val))
1061 case OSSL_CMP_OPT_OWF_ALGNID:
1062 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, val))
1065 case OSSL_CMP_OPT_MAC_ALGNID:
1068 case OSSL_CMP_OPT_MSG_TIMEOUT:
1069 ctx->msg_timeout = val;
1071 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1072 ctx->total_timeout = val;
1074 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1075 ctx->permitTAInExtraCertsForIR = val;
1077 case OSSL_CMP_OPT_REVOCATION_REASON:
1078 if (val > OCSP_REVOKED_STATUS_AACOMPROMISE) {
1079 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1082 ctx->revocationReason = val;
1085 CMPerr(0, CMP_R_INVALID_OPTION);
1093 * Reads a Boolean or integer option value from the context.
1094 * Returns -1 on error (which is the default OSSL_CMP_OPT_REVOCATION_REASON)
1096 int OSSL_CMP_CTX_get_option(const OSSL_CMP_CTX *ctx, int opt)
1099 CMPerr(0, CMP_R_NULL_ARGUMENT);
1104 case OSSL_CMP_OPT_LOG_VERBOSITY:
1105 return ctx->log_verbosity;
1106 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
1107 return ctx->implicitConfirm;
1108 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1109 return ctx->disableConfirm;
1110 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1111 return ctx->unprotectedSend;
1112 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1113 return ctx->unprotectedErrors;
1114 case OSSL_CMP_OPT_VALIDITY_DAYS:
1116 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1117 return ctx->SubjectAltName_nodefault;
1118 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1119 return ctx->setSubjectAltNameCritical;
1120 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1121 return ctx->setPoliciesCritical;
1122 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1123 return ctx->ignore_keyusage;
1124 case OSSL_CMP_OPT_POPO_METHOD:
1125 return ctx->popoMethod;
1126 case OSSL_CMP_OPT_DIGEST_ALGNID:
1127 return EVP_MD_type(ctx->digest);
1128 case OSSL_CMP_OPT_OWF_ALGNID:
1129 return EVP_MD_type(ctx->pbm_owf);
1130 case OSSL_CMP_OPT_MAC_ALGNID:
1131 return ctx->pbm_mac;
1132 case OSSL_CMP_OPT_MSG_TIMEOUT:
1133 return ctx->msg_timeout;
1134 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1135 return ctx->total_timeout;
1136 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1137 return ctx->permitTAInExtraCertsForIR;
1138 case OSSL_CMP_OPT_REVOCATION_REASON:
1139 return ctx->revocationReason;
1141 CMPerr(0, CMP_R_INVALID_OPTION);