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>
24 DEFINE_STACK_OF(POLICYINFO)
25 DEFINE_STACK_OF(ASN1_UTF8STRING)
26 DEFINE_STACK_OF(GENERAL_NAME)
27 DEFINE_STACK_OF(OSSL_CMP_ITAV)
30 * Get current certificate store containing trusted root CA certs
32 X509_STORE *OSSL_CMP_CTX_get0_trustedStore(const OSSL_CMP_CTX *ctx)
35 CMPerr(0, CMP_R_NULL_ARGUMENT);
42 * Set certificate store containing trusted (root) CA certs and possibly CRLs
43 * and a cert verification callback function used for CMP server authentication.
44 * Any already existing store entry is freed. Given NULL, the entry is reset.
46 int OSSL_CMP_CTX_set0_trustedStore(OSSL_CMP_CTX *ctx, X509_STORE *store)
49 CMPerr(0, CMP_R_NULL_ARGUMENT);
52 X509_STORE_free(ctx->trusted);
57 /* Get current list of non-trusted intermediate certs */
58 STACK_OF(X509) *OSSL_CMP_CTX_get0_untrusted(const OSSL_CMP_CTX *ctx)
61 CMPerr(0, CMP_R_NULL_ARGUMENT);
64 return ctx->untrusted;
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;
75 CMPerr(0, CMP_R_NULL_ARGUMENT);
78 if ((untrusted = sk_X509_new_null()) == NULL)
80 if (X509_add_certs(untrusted, certs,
81 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP) != 1)
83 sk_X509_pop_free(ctx->untrusted, X509_free);
84 ctx->untrusted = untrusted;
87 sk_X509_pop_free(untrusted, X509_free);
91 static int cmp_ctx_set_md(OSSL_CMP_CTX *ctx, EVP_MD **pmd, int nid)
93 EVP_MD *md = EVP_MD_fetch(ctx->libctx, OBJ_nid2sn(nid), ctx->propq);
94 /* fetching in advance to be able to throw error early if unsupported */
97 CMPerr(0, CMP_R_UNSUPPORTED_ALGORITHM);
106 * Allocates and initializes OSSL_CMP_CTX context structure with default values.
107 * Returns new context on success, NULL on error
109 OSSL_CMP_CTX *OSSL_CMP_CTX_new(OPENSSL_CTX *libctx, const char *propq)
111 OSSL_CMP_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
116 ctx->libctx = libctx;
117 if (propq != NULL && (ctx->propq = OPENSSL_strdup(propq)) == NULL)
120 ctx->log_verbosity = OSSL_CMP_LOG_INFO;
123 ctx->failInfoCode = -1;
125 ctx->msg_timeout = 2 * 60;
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 OSSL_CMP_CTX_free(ctx);
146 X509err(0, ERR_R_MALLOC_FAILURE);
150 /* Prepare the OSSL_CMP_CTX for next use, partly re-initializing OSSL_CMP_CTX */
151 int OSSL_CMP_CTX_reinit(OSSL_CMP_CTX *ctx)
154 CMPerr(0, CMP_R_NULL_ARGUMENT);
159 ctx->failInfoCode = -1;
161 return ossl_cmp_ctx_set0_statusString(ctx, NULL)
162 && ossl_cmp_ctx_set0_newCert(ctx, NULL)
163 && ossl_cmp_ctx_set1_newChain(ctx, NULL)
164 && ossl_cmp_ctx_set1_caPubs(ctx, NULL)
165 && ossl_cmp_ctx_set1_extraCertsIn(ctx, NULL)
166 && ossl_cmp_ctx_set0_validatedSrvCert(ctx, NULL)
167 && OSSL_CMP_CTX_set1_transactionID(ctx, NULL)
168 && OSSL_CMP_CTX_set1_senderNonce(ctx, NULL)
169 && ossl_cmp_ctx_set1_recipNonce(ctx, NULL);
172 /* Frees OSSL_CMP_CTX variables allocated in OSSL_CMP_CTX_new() */
173 void OSSL_CMP_CTX_free(OSSL_CMP_CTX *ctx)
178 OPENSSL_free(ctx->serverPath);
179 OPENSSL_free(ctx->server);
180 OPENSSL_free(ctx->proxy);
181 OPENSSL_free(ctx->no_proxy);
183 X509_free(ctx->srvCert);
184 X509_free(ctx->validatedSrvCert);
185 X509_NAME_free(ctx->expected_sender);
186 X509_STORE_free(ctx->trusted);
187 sk_X509_pop_free(ctx->untrusted, X509_free);
189 X509_free(ctx->cert);
190 sk_X509_pop_free(ctx->chain, X509_free);
191 EVP_PKEY_free(ctx->pkey);
192 ASN1_OCTET_STRING_free(ctx->referenceValue);
193 if (ctx->secretValue != NULL)
194 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
195 ASN1_OCTET_STRING_free(ctx->secretValue);
196 EVP_MD_free(ctx->pbm_owf);
198 X509_NAME_free(ctx->recipient);
199 EVP_MD_free(ctx->digest);
200 ASN1_OCTET_STRING_free(ctx->transactionID);
201 ASN1_OCTET_STRING_free(ctx->senderNonce);
202 ASN1_OCTET_STRING_free(ctx->recipNonce);
203 sk_OSSL_CMP_ITAV_pop_free(ctx->geninfo_ITAVs, OSSL_CMP_ITAV_free);
204 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
206 EVP_PKEY_free(ctx->newPkey);
207 X509_NAME_free(ctx->issuer);
208 X509_NAME_free(ctx->subjectName);
209 sk_GENERAL_NAME_pop_free(ctx->subjectAltNames, GENERAL_NAME_free);
210 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
211 sk_POLICYINFO_pop_free(ctx->policies, POLICYINFO_free);
212 X509_free(ctx->oldCert);
213 X509_REQ_free(ctx->p10CSR);
215 sk_OSSL_CMP_ITAV_pop_free(ctx->genm_ITAVs, OSSL_CMP_ITAV_free);
217 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
218 X509_free(ctx->newCert);
219 sk_X509_pop_free(ctx->newChain, X509_free);
220 sk_X509_pop_free(ctx->caPubs, X509_free);
221 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
226 int ossl_cmp_ctx_set_status(OSSL_CMP_CTX *ctx, int status)
228 if (!ossl_assert(ctx != NULL))
230 ctx->status = status;
235 * Returns the PKIStatus from the last CertRepMessage
236 * or Revocation Response or error message, -1 on error
238 int OSSL_CMP_CTX_get_status(const OSSL_CMP_CTX *ctx)
241 CMPerr(0, CMP_R_NULL_ARGUMENT);
248 * Returns the statusString from the last CertRepMessage
249 * or Revocation Response or error message, NULL on error
251 OSSL_CMP_PKIFREETEXT *OSSL_CMP_CTX_get0_statusString(const OSSL_CMP_CTX *ctx)
254 CMPerr(0, CMP_R_NULL_ARGUMENT);
257 return ctx->statusString;
260 int ossl_cmp_ctx_set0_statusString(OSSL_CMP_CTX *ctx,
261 OSSL_CMP_PKIFREETEXT *text)
263 if (!ossl_assert(ctx != NULL))
265 sk_ASN1_UTF8STRING_pop_free(ctx->statusString, ASN1_UTF8STRING_free);
266 ctx->statusString = text;
270 int ossl_cmp_ctx_set0_validatedSrvCert(OSSL_CMP_CTX *ctx, X509 *cert)
272 if (!ossl_assert(ctx != NULL))
274 X509_free(ctx->validatedSrvCert);
275 ctx->validatedSrvCert = cert;
279 /* Set callback function for checking if the cert is ok or should be rejected */
280 int OSSL_CMP_CTX_set_certConf_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_certConf_cb_t cb)
283 CMPerr(0, CMP_R_NULL_ARGUMENT);
286 ctx->certConf_cb = cb;
291 * Set argument, respectively a pointer to a structure containing arguments,
292 * optionally to be used by the certConf callback.
294 int OSSL_CMP_CTX_set_certConf_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
297 CMPerr(0, CMP_R_NULL_ARGUMENT);
300 ctx->certConf_cb_arg = arg;
305 * Get argument, respectively the pointer to a structure containing arguments,
306 * optionally to be used by certConf callback.
307 * Returns callback argument set previously (NULL if not set or on error)
309 void *OSSL_CMP_CTX_get_certConf_cb_arg(const OSSL_CMP_CTX *ctx)
312 CMPerr(0, CMP_R_NULL_ARGUMENT);
315 return ctx->certConf_cb_arg;
318 #ifndef OPENSSL_NO_TRACE
319 static size_t ossl_cmp_log_trace_cb(const char *buf, size_t cnt,
320 int category, int cmd, void *vdata)
322 OSSL_CMP_CTX *ctx = vdata;
324 OSSL_CMP_severity level = -1;
329 if (buf == NULL || cnt == 0 || cmd != OSSL_TRACE_CTRL_WRITE || ctx == NULL)
331 if (ctx->log_cb == NULL)
332 return 1; /* silently drop message */
334 msg = ossl_cmp_log_parse_metadata(buf, &level, &func, &file, &line);
336 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
337 goto end; /* suppress output since severity is not sufficient */
339 if (!ctx->log_cb(func != NULL ? func : "(no func)",
340 file != NULL ? file : "(no file)",
351 /* Print CMP log messages (i.e., diagnostic info) via the log cb of the ctx */
352 int ossl_cmp_print_log(OSSL_CMP_severity level, const OSSL_CMP_CTX *ctx,
353 const char *func, const char *file, int line,
354 const char *level_str, const char *format, ...)
357 char hugebuf[1024 * 2];
360 if (ctx == NULL || ctx->log_cb == NULL)
361 return 1; /* silently drop message */
363 if (level > ctx->log_verbosity) /* excludes the case level is unknown */
364 return 1; /* suppress output since severity is not sufficient */
369 va_start(args, format);
372 func = "(unset function name)";
374 file = "(unset file name)";
375 if (level_str == NULL)
376 level_str = "(unset level string)";
378 #ifndef OPENSSL_NO_TRACE
379 if (OSSL_TRACE_ENABLED(CMP)) {
380 OSSL_TRACE_BEGIN(CMP) {
382 BIO_snprintf(hugebuf, sizeof(hugebuf),
383 "%s:%s:%d:" OSSL_CMP_LOG_PREFIX "%s: ",
384 func, file, line, level_str);
385 if (printed > 0 && (size_t)printed < sizeof(hugebuf)) {
386 if (BIO_vsnprintf(hugebuf + printed,
387 sizeof(hugebuf) - printed, format, args) > 0)
388 res = BIO_puts(trc_out, hugebuf) > 0;
390 } OSSL_TRACE_END(CMP);
392 #else /* compensate for disabled trace API */
394 if (BIO_vsnprintf(hugebuf, sizeof(hugebuf), format, args) > 0)
395 res = ctx->log_cb(func, file, line, level, hugebuf);
402 /* Set a callback function for error reporting and logging messages */
403 int OSSL_CMP_CTX_set_log_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_log_cb_t cb)
406 CMPerr(0, CMP_R_NULL_ARGUMENT);
411 #ifndef OPENSSL_NO_TRACE
412 /* do also in case cb == NULL, to switch off logging output: */
413 if (!OSSL_trace_set_callback(OSSL_TRACE_CATEGORY_CMP,
414 ossl_cmp_log_trace_cb, ctx))
421 /* Print OpenSSL and CMP errors via the log cb of the ctx or ERR_print_errors */
422 void OSSL_CMP_CTX_print_errors(const OSSL_CMP_CTX *ctx)
424 if (ctx != NULL && OSSL_CMP_LOG_ERR > ctx->log_verbosity)
425 return; /* suppress output since severity is not sufficient */
426 OSSL_CMP_print_errors_cb(ctx == NULL ? NULL : ctx->log_cb);
430 * Set or clear the reference value to be used for identification
431 * (i.e., the user name) when using PBMAC.
433 int OSSL_CMP_CTX_set1_referenceValue(OSSL_CMP_CTX *ctx,
434 const unsigned char *ref, int len)
437 CMPerr(0, CMP_R_NULL_ARGUMENT);
440 return ossl_cmp_asn1_octet_string_set1_bytes(&ctx->referenceValue, ref,
444 /* Set or clear the password to be used for protecting messages with PBMAC */
445 int OSSL_CMP_CTX_set1_secretValue(OSSL_CMP_CTX *ctx, const unsigned char *sec,
448 ASN1_OCTET_STRING *secretValue = NULL;
450 CMPerr(0, CMP_R_NULL_ARGUMENT);
453 if (ossl_cmp_asn1_octet_string_set1_bytes(&secretValue, sec, len) != 1)
455 if (ctx->secretValue != NULL) {
456 OPENSSL_cleanse(ctx->secretValue->data, ctx->secretValue->length);
457 ASN1_OCTET_STRING_free(ctx->secretValue);
459 ctx->secretValue = secretValue;
463 /* Returns the cert chain computed by OSSL_CMP_certConf_cb(), NULL on error */
464 STACK_OF(X509) *OSSL_CMP_CTX_get1_newChain(const OSSL_CMP_CTX *ctx)
467 CMPerr(0, CMP_R_NULL_ARGUMENT);
470 if (ctx->newChain == NULL)
471 return sk_X509_new_null();
472 return X509_chain_up_ref(ctx->newChain);
476 * Copies any given stack of inbound X509 certificates to newChain
477 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
479 int ossl_cmp_ctx_set1_newChain(OSSL_CMP_CTX *ctx, STACK_OF(X509) *newChain)
481 if (!ossl_assert(ctx != NULL))
484 sk_X509_pop_free(ctx->newChain, X509_free);
486 if (newChain == NULL)
488 return (ctx->newChain = X509_chain_up_ref(newChain)) != NULL;
491 /* Returns the stack of extraCerts received in CertRepMessage, NULL on error */
492 STACK_OF(X509) *OSSL_CMP_CTX_get1_extraCertsIn(const OSSL_CMP_CTX *ctx)
495 CMPerr(0, CMP_R_NULL_ARGUMENT);
498 if (ctx->extraCertsIn == NULL)
499 return sk_X509_new_null();
500 return X509_chain_up_ref(ctx->extraCertsIn);
504 * Copies any given stack of inbound X509 certificates to extraCertsIn
505 * of the OSSL_CMP_CTX structure so that they may be retrieved later.
507 int ossl_cmp_ctx_set1_extraCertsIn(OSSL_CMP_CTX *ctx,
508 STACK_OF(X509) *extraCertsIn)
510 if (!ossl_assert(ctx != NULL))
513 sk_X509_pop_free(ctx->extraCertsIn, X509_free);
514 ctx->extraCertsIn = NULL;
515 if (extraCertsIn == NULL)
517 return (ctx->extraCertsIn = X509_chain_up_ref(extraCertsIn)) != NULL;
521 * Copies any given stack as the new stack of X509
522 * certificates to send out in the extraCerts field.
524 int OSSL_CMP_CTX_set1_extraCertsOut(OSSL_CMP_CTX *ctx,
525 STACK_OF(X509) *extraCertsOut)
528 CMPerr(0, CMP_R_NULL_ARGUMENT);
532 sk_X509_pop_free(ctx->extraCertsOut, X509_free);
533 ctx->extraCertsOut = NULL;
534 if (extraCertsOut == NULL)
536 return (ctx->extraCertsOut = X509_chain_up_ref(extraCertsOut)) != NULL;
540 * Add the given policy info object
541 * to the X509_EXTENSIONS of the requested certificate template.
543 int OSSL_CMP_CTX_push0_policy(OSSL_CMP_CTX *ctx, POLICYINFO *pinfo)
545 if (ctx == NULL || pinfo == NULL) {
546 CMPerr(0, CMP_R_NULL_ARGUMENT);
550 if (ctx->policies == NULL
551 && (ctx->policies = CERTIFICATEPOLICIES_new()) == NULL)
554 return sk_POLICYINFO_push(ctx->policies, pinfo);
557 /* Add an ITAV for geninfo of the PKI message header */
558 int OSSL_CMP_CTX_push0_geninfo_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
561 CMPerr(0, CMP_R_NULL_ARGUMENT);
564 return OSSL_CMP_ITAV_push0_stack_item(&ctx->geninfo_ITAVs, itav);
567 /* Add an itav for the body of outgoing general messages */
568 int OSSL_CMP_CTX_push0_genm_ITAV(OSSL_CMP_CTX *ctx, OSSL_CMP_ITAV *itav)
571 CMPerr(0, CMP_R_NULL_ARGUMENT);
574 return OSSL_CMP_ITAV_push0_stack_item(&ctx->genm_ITAVs, itav);
578 * Returns a duplicate of the stack of X509 certificates that
579 * were received in the caPubs field of the last CertRepMessage.
580 * Returns NULL on error
582 STACK_OF(X509) *OSSL_CMP_CTX_get1_caPubs(const OSSL_CMP_CTX *ctx)
585 CMPerr(0, CMP_R_NULL_ARGUMENT);
588 if (ctx->caPubs == NULL)
589 return sk_X509_new_null();
590 return X509_chain_up_ref(ctx->caPubs);
594 * Copies any given stack of certificates to the given
595 * OSSL_CMP_CTX structure so that they may be retrieved later.
597 int ossl_cmp_ctx_set1_caPubs(OSSL_CMP_CTX *ctx, STACK_OF(X509) *caPubs)
599 if (!ossl_assert(ctx != NULL))
602 sk_X509_pop_free(ctx->caPubs, X509_free);
606 return (ctx->caPubs = X509_chain_up_ref(caPubs)) != NULL;
609 #define char_dup OPENSSL_strdup
610 #define char_free OPENSSL_free
611 #define DEFINE_OSSL_CMP_CTX_set1(FIELD, TYPE) /* this uses _dup */ \
612 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, const TYPE *val) \
614 TYPE *val_dup = NULL; \
617 CMPerr(0, CMP_R_NULL_ARGUMENT); \
621 if (val != NULL && (val_dup = TYPE##_dup(val)) == NULL) \
623 TYPE##_free(ctx->FIELD); \
624 ctx->FIELD = val_dup; \
628 #define X509_invalid(cert) (!x509v3_cache_extensions(cert))
629 #define EVP_PKEY_invalid(key) 0
630 #define DEFINE_OSSL_CMP_CTX_set1_up_ref(FIELD, TYPE) \
631 int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, TYPE *val) \
634 CMPerr(0, CMP_R_NULL_ARGUMENT); \
638 /* prevent misleading error later on malformed cert or provider issue */ \
639 if (val != NULL && TYPE##_invalid(val)) { \
640 CMPerr(0, CMP_R_POTENTIALLY_INVALID_CERTIFICATE); \
643 if (val != NULL && !TYPE##_up_ref(val)) \
645 TYPE##_free(ctx->FIELD); \
651 * Pins the server certificate to be directly trusted (even if it is expired)
652 * for verifying response messages.
653 * Cert pointer is not consumed. It may be NULL to clear the entry.
655 DEFINE_OSSL_CMP_CTX_set1_up_ref(srvCert, X509)
657 /* Set the X509 name of the recipient. Set in the PKIHeader */
658 DEFINE_OSSL_CMP_CTX_set1(recipient, X509_NAME)
660 /* Store the X509 name of the expected sender in the PKIHeader of responses */
661 DEFINE_OSSL_CMP_CTX_set1(expected_sender, X509_NAME)
663 /* Set the X509 name of the issuer. Set in the PKIHeader */
664 DEFINE_OSSL_CMP_CTX_set1(issuer, X509_NAME)
667 * Set the subject name that will be placed in the certificate
668 * request. This will be the subject name on the received certificate.
670 DEFINE_OSSL_CMP_CTX_set1(subjectName, X509_NAME)
672 /* Set the X.509v3 certificate request extensions to be used in IR/CR/KUR */
673 int OSSL_CMP_CTX_set0_reqExtensions(OSSL_CMP_CTX *ctx, X509_EXTENSIONS *exts)
676 CMPerr(0, CMP_R_NULL_ARGUMENT);
680 if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0 && exts != NULL
681 && X509v3_get_ext_by_NID(exts, NID_subject_alt_name, -1) >= 0) {
682 CMPerr(0, CMP_R_MULTIPLE_SAN_SOURCES);
685 sk_X509_EXTENSION_pop_free(ctx->reqExtensions, X509_EXTENSION_free);
686 ctx->reqExtensions = exts;
690 /* returns 1 if ctx contains a Subject Alternative Name extension, else 0 */
691 int OSSL_CMP_CTX_reqExtensions_have_SAN(OSSL_CMP_CTX *ctx)
694 CMPerr(0, CMP_R_NULL_ARGUMENT);
697 /* if one of the following conditions 'fail' this is not an error */
698 return ctx->reqExtensions != NULL
699 && X509v3_get_ext_by_NID(ctx->reqExtensions,
700 NID_subject_alt_name, -1) >= 0;
704 * Add a GENERAL_NAME structure that will be added to the CRMF
705 * request's extensions field to request subject alternative names.
707 int OSSL_CMP_CTX_push1_subjectAltName(OSSL_CMP_CTX *ctx,
708 const GENERAL_NAME *name)
710 GENERAL_NAME *name_dup;
712 if (ctx == NULL || name == NULL) {
713 CMPerr(0, CMP_R_NULL_ARGUMENT);
717 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1) {
718 CMPerr(0, CMP_R_MULTIPLE_SAN_SOURCES);
722 if (ctx->subjectAltNames == NULL
723 && (ctx->subjectAltNames = sk_GENERAL_NAME_new_null()) == NULL)
725 if ((name_dup = GENERAL_NAME_dup(name)) == NULL)
727 if (!sk_GENERAL_NAME_push(ctx->subjectAltNames, name_dup)) {
728 GENERAL_NAME_free(name_dup);
735 * Set our own client certificate, used for example in KUR and when
736 * doing the IR with existing certificate.
738 DEFINE_OSSL_CMP_CTX_set1_up_ref(cert, X509)
740 int OSSL_CMP_CTX_build_cert_chain(OSSL_CMP_CTX *ctx, X509_STORE *own_trusted,
741 STACK_OF(X509) *candidates)
743 STACK_OF(X509) *chain;
746 CMPerr(0, CMP_R_NULL_ARGUMENT);
750 if (ctx->untrusted != NULL ?
751 !X509_add_certs(ctx->untrusted, candidates,
752 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP) :
753 !OSSL_CMP_CTX_set1_untrusted(ctx, candidates))
756 ossl_cmp_debug(ctx, "trying to build chain for own CMP signer cert");
757 chain = ossl_cmp_build_cert_chain(ctx->libctx, ctx->propq, own_trusted,
758 ctx->untrusted, ctx->cert);
760 CMPerr(0, CMP_R_FAILED_BUILDING_OWN_CHAIN);
763 ossl_cmp_debug(ctx, "success building chain for own CMP signer cert");
769 * Set the old certificate that we are updating in KUR
770 * or the certificate to be revoked in RR, respectively.
771 * Also used as reference cert (defaulting to cert) for deriving subject DN
772 * and SANs. Its issuer is used as default recipient in the CMP message header.
774 DEFINE_OSSL_CMP_CTX_set1_up_ref(oldCert, X509)
776 /* Set the PKCS#10 CSR to be sent in P10CR */
777 DEFINE_OSSL_CMP_CTX_set1(p10CSR, X509_REQ)
780 * Set the (newly received in IP/KUP/CP) certificate in the context.
781 * TODO: this only permits for one cert to be enrolled at a time.
783 int ossl_cmp_ctx_set0_newCert(OSSL_CMP_CTX *ctx, X509 *cert)
785 if (!ossl_assert(ctx != NULL))
788 X509_free(ctx->newCert);
794 * Get the (newly received in IP/KUP/CP) client certificate from the context
795 * TODO: this only permits for one client cert to be received...
797 X509 *OSSL_CMP_CTX_get0_newCert(const OSSL_CMP_CTX *ctx)
800 CMPerr(0, CMP_R_NULL_ARGUMENT);
806 /* Set the client's current private key */
807 DEFINE_OSSL_CMP_CTX_set1_up_ref(pkey, EVP_PKEY)
809 /* Set new key pair. Used e.g. when doing Key Update */
810 int OSSL_CMP_CTX_set0_newPkey(OSSL_CMP_CTX *ctx, int priv, EVP_PKEY *pkey)
813 CMPerr(0, CMP_R_NULL_ARGUMENT);
817 EVP_PKEY_free(ctx->newPkey);
819 ctx->newPkey_priv = priv;
823 /* Get the private/public key to use for cert enrollment, or NULL on error */
824 EVP_PKEY *OSSL_CMP_CTX_get0_newPkey(const OSSL_CMP_CTX *ctx, int priv)
827 CMPerr(0, CMP_R_NULL_ARGUMENT);
831 if (ctx->newPkey != NULL)
832 return priv && !ctx->newPkey_priv ? NULL : ctx->newPkey;
833 if (ctx->p10CSR != NULL)
834 return priv ? NULL : X509_REQ_get0_pubkey(ctx->p10CSR);
835 return ctx->pkey; /* may be NULL */
838 /* Set the given transactionID to the context */
839 int OSSL_CMP_CTX_set1_transactionID(OSSL_CMP_CTX *ctx,
840 const ASN1_OCTET_STRING *id)
843 CMPerr(0, CMP_R_NULL_ARGUMENT);
846 return ossl_cmp_asn1_octet_string_set1(&ctx->transactionID, id);
849 /* Set the nonce to be used for the recipNonce in the message created next */
850 int ossl_cmp_ctx_set1_recipNonce(OSSL_CMP_CTX *ctx,
851 const ASN1_OCTET_STRING *nonce)
853 if (!ossl_assert(ctx != NULL))
855 return ossl_cmp_asn1_octet_string_set1(&ctx->recipNonce, nonce);
858 /* Stores the given nonce as the last senderNonce sent out */
859 int OSSL_CMP_CTX_set1_senderNonce(OSSL_CMP_CTX *ctx,
860 const ASN1_OCTET_STRING *nonce)
863 CMPerr(0, CMP_R_NULL_ARGUMENT);
866 return ossl_cmp_asn1_octet_string_set1(&ctx->senderNonce, nonce);
869 /* Set the proxy server to use for HTTP(S) connections */
870 DEFINE_OSSL_CMP_CTX_set1(proxy, char)
872 /* Set the (HTTP) host name of the CMP server */
873 DEFINE_OSSL_CMP_CTX_set1(server, char)
875 /* Set the server exclusion list of the HTTP proxy server */
876 DEFINE_OSSL_CMP_CTX_set1(no_proxy, char)
878 /* Set the http connect/disconnect callback function to be used for HTTP(S) */
879 int OSSL_CMP_CTX_set_http_cb(OSSL_CMP_CTX *ctx, OSSL_HTTP_bio_cb_t cb)
882 CMPerr(0, CMP_R_NULL_ARGUMENT);
889 /* Set argument optionally to be used by the http connect/disconnect callback */
890 int OSSL_CMP_CTX_set_http_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
893 CMPerr(0, CMP_R_NULL_ARGUMENT);
896 ctx->http_cb_arg = arg;
901 * Get argument optionally to be used by the http connect/disconnect callback
902 * Returns callback argument set previously (NULL if not set or on error)
904 void *OSSL_CMP_CTX_get_http_cb_arg(const OSSL_CMP_CTX *ctx)
907 CMPerr(0, CMP_R_NULL_ARGUMENT);
910 return ctx->http_cb_arg;
913 /* Set callback function for sending CMP request and receiving response */
914 int OSSL_CMP_CTX_set_transfer_cb(OSSL_CMP_CTX *ctx, OSSL_CMP_transfer_cb_t cb)
917 CMPerr(0, CMP_R_NULL_ARGUMENT);
920 ctx->transfer_cb = cb;
924 /* Set argument optionally to be used by the transfer callback */
925 int OSSL_CMP_CTX_set_transfer_cb_arg(OSSL_CMP_CTX *ctx, void *arg)
928 CMPerr(0, CMP_R_NULL_ARGUMENT);
931 ctx->transfer_cb_arg = arg;
936 * Get argument optionally to be used by the transfer callback.
937 * Returns callback argument set previously (NULL if not set or on error)
939 void *OSSL_CMP_CTX_get_transfer_cb_arg(const OSSL_CMP_CTX *ctx)
942 CMPerr(0, CMP_R_NULL_ARGUMENT);
945 return ctx->transfer_cb_arg;
948 /** Set the HTTP server port to be used */
949 int OSSL_CMP_CTX_set_serverPort(OSSL_CMP_CTX *ctx, int port)
952 CMPerr(0, CMP_R_NULL_ARGUMENT);
955 ctx->serverPort = port;
959 /* Set the HTTP path to be used on the server (e.g "pkix/") */
960 DEFINE_OSSL_CMP_CTX_set1(serverPath, char)
962 /* Set the failInfo error code as bit encoding in OSSL_CMP_CTX */
963 int ossl_cmp_ctx_set_failInfoCode(OSSL_CMP_CTX *ctx, int fail_info)
965 if (!ossl_assert(ctx != NULL))
967 ctx->failInfoCode = fail_info;
972 * Get the failInfo error code in OSSL_CMP_CTX as bit encoding.
973 * Returns bit string as integer on success, -1 on error
975 int OSSL_CMP_CTX_get_failInfoCode(const OSSL_CMP_CTX *ctx)
978 CMPerr(0, CMP_R_NULL_ARGUMENT);
981 return ctx->failInfoCode;
984 /* Set a Boolean or integer option of the context to the "val" arg */
985 int OSSL_CMP_CTX_set_option(OSSL_CMP_CTX *ctx, int opt, int val)
990 CMPerr(0, CMP_R_NULL_ARGUMENT);
995 case OSSL_CMP_OPT_REVOCATION_REASON:
996 min_val = OCSP_REVOKED_STATUS_NOSTATUS;
998 case OSSL_CMP_OPT_POPO_METHOD:
999 min_val = OSSL_CRMF_POPO_NONE;
1005 if (val < min_val) {
1006 CMPerr(0, CMP_R_VALUE_TOO_SMALL);
1011 case OSSL_CMP_OPT_LOG_VERBOSITY:
1012 if (val > OSSL_CMP_LOG_MAX) {
1013 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1016 ctx->log_verbosity = val;
1018 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
1019 ctx->implicitConfirm = val;
1021 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1022 ctx->disableConfirm = val;
1024 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1025 ctx->unprotectedSend = val;
1027 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1028 ctx->unprotectedErrors = val;
1030 case OSSL_CMP_OPT_VALIDITY_DAYS:
1033 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1034 ctx->SubjectAltName_nodefault = val;
1036 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1037 ctx->setSubjectAltNameCritical = val;
1039 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1040 ctx->setPoliciesCritical = val;
1042 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1043 ctx->ignore_keyusage = val;
1045 case OSSL_CMP_OPT_POPO_METHOD:
1046 if (val > OSSL_CRMF_POPO_KEYAGREE) {
1047 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1050 ctx->popoMethod = val;
1052 case OSSL_CMP_OPT_DIGEST_ALGNID:
1053 if (!cmp_ctx_set_md(ctx, &ctx->digest, val))
1056 case OSSL_CMP_OPT_OWF_ALGNID:
1057 if (!cmp_ctx_set_md(ctx, &ctx->pbm_owf, val))
1060 case OSSL_CMP_OPT_MAC_ALGNID:
1063 case OSSL_CMP_OPT_MSG_TIMEOUT:
1064 ctx->msg_timeout = val;
1066 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1067 ctx->total_timeout = val;
1069 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1070 ctx->permitTAInExtraCertsForIR = val;
1072 case OSSL_CMP_OPT_REVOCATION_REASON:
1073 if (val > OCSP_REVOKED_STATUS_AACOMPROMISE) {
1074 CMPerr(0, CMP_R_VALUE_TOO_LARGE);
1077 ctx->revocationReason = val;
1080 CMPerr(0, CMP_R_INVALID_OPTION);
1088 * Reads a Boolean or integer option value from the context.
1089 * Returns -1 on error (which is the default OSSL_CMP_OPT_REVOCATION_REASON)
1091 int OSSL_CMP_CTX_get_option(const OSSL_CMP_CTX *ctx, int opt)
1094 CMPerr(0, CMP_R_NULL_ARGUMENT);
1099 case OSSL_CMP_OPT_LOG_VERBOSITY:
1100 return ctx->log_verbosity;
1101 case OSSL_CMP_OPT_IMPLICIT_CONFIRM:
1102 return ctx->implicitConfirm;
1103 case OSSL_CMP_OPT_DISABLE_CONFIRM:
1104 return ctx->disableConfirm;
1105 case OSSL_CMP_OPT_UNPROTECTED_SEND:
1106 return ctx->unprotectedSend;
1107 case OSSL_CMP_OPT_UNPROTECTED_ERRORS:
1108 return ctx->unprotectedErrors;
1109 case OSSL_CMP_OPT_VALIDITY_DAYS:
1111 case OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT:
1112 return ctx->SubjectAltName_nodefault;
1113 case OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL:
1114 return ctx->setSubjectAltNameCritical;
1115 case OSSL_CMP_OPT_POLICIES_CRITICAL:
1116 return ctx->setPoliciesCritical;
1117 case OSSL_CMP_OPT_IGNORE_KEYUSAGE:
1118 return ctx->ignore_keyusage;
1119 case OSSL_CMP_OPT_POPO_METHOD:
1120 return ctx->popoMethod;
1121 case OSSL_CMP_OPT_DIGEST_ALGNID:
1122 return EVP_MD_type(ctx->digest);
1123 case OSSL_CMP_OPT_OWF_ALGNID:
1124 return EVP_MD_type(ctx->pbm_owf);
1125 case OSSL_CMP_OPT_MAC_ALGNID:
1126 return ctx->pbm_mac;
1127 case OSSL_CMP_OPT_MSG_TIMEOUT:
1128 return ctx->msg_timeout;
1129 case OSSL_CMP_OPT_TOTAL_TIMEOUT:
1130 return ctx->total_timeout;
1131 case OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR:
1132 return ctx->permitTAInExtraCertsForIR;
1133 case OSSL_CMP_OPT_REVOCATION_REASON:
1134 return ctx->revocationReason;
1136 CMPerr(0, CMP_R_INVALID_OPTION);