| /* |
| * Copyright 2007-2021 The OpenSSL Project Authors. All Rights Reserved. |
| * Copyright Nokia 2007-2019 |
| * Copyright Siemens AG 2015-2019 |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| /* CMP functions for PKIMessage construction */ |
| |
| #include "cmp_local.h" |
| |
| /* explicit #includes not strictly needed since implied by the above: */ |
| #include <openssl/asn1t.h> |
| #include <openssl/cmp.h> |
| #include <openssl/crmf.h> |
| #include <openssl/err.h> |
| #include <openssl/x509.h> |
| |
| OSSL_CMP_MSG *OSSL_CMP_MSG_new(OSSL_LIB_CTX *libctx, const char *propq) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| |
| msg = (OSSL_CMP_MSG *)ASN1_item_new_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG), |
| libctx, propq); |
| if (!ossl_cmp_msg_set0_libctx(msg, libctx, propq)) { |
| OSSL_CMP_MSG_free(msg); |
| msg = NULL; |
| } |
| return msg; |
| } |
| |
| void OSSL_CMP_MSG_free(OSSL_CMP_MSG *msg) |
| { |
| ASN1_item_free((ASN1_VALUE *)msg, ASN1_ITEM_rptr(OSSL_CMP_MSG)); |
| } |
| |
| /* |
| * This should only be used if the X509 object was embedded inside another |
| * asn1 object and it needs a libctx to operate. |
| * Use OSSL_CMP_MSG_new() instead if possible. |
| */ |
| int ossl_cmp_msg_set0_libctx(OSSL_CMP_MSG *msg, OSSL_LIB_CTX *libctx, |
| const char *propq) |
| { |
| if (msg != NULL) { |
| msg->libctx = libctx; |
| OPENSSL_free(msg->propq); |
| msg->propq = NULL; |
| if (propq != NULL) { |
| msg->propq = OPENSSL_strdup(propq); |
| if (msg->propq == NULL) |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| |
| OSSL_CMP_PKIHEADER *OSSL_CMP_MSG_get0_header(const OSSL_CMP_MSG *msg) |
| { |
| if (msg == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); |
| return NULL; |
| } |
| return msg->header; |
| } |
| |
| const char *ossl_cmp_bodytype_to_string(int type) |
| { |
| static const char *type_names[] = { |
| "IR", "IP", "CR", "CP", "P10CR", |
| "POPDECC", "POPDECR", "KUR", "KUP", |
| "KRR", "KRP", "RR", "RP", "CCR", "CCP", |
| "CKUANN", "CANN", "RANN", "CRLANN", "PKICONF", "NESTED", |
| "GENM", "GENP", "ERROR", "CERTCONF", "POLLREQ", "POLLREP", |
| }; |
| |
| if (type < 0 || type > OSSL_CMP_PKIBODY_TYPE_MAX) |
| return "illegal body type"; |
| return type_names[type]; |
| } |
| |
| int ossl_cmp_msg_set_bodytype(OSSL_CMP_MSG *msg, int type) |
| { |
| if (!ossl_assert(msg != NULL && msg->body != NULL)) |
| return 0; |
| |
| msg->body->type = type; |
| return 1; |
| } |
| |
| int OSSL_CMP_MSG_get_bodytype(const OSSL_CMP_MSG *msg) |
| { |
| if (!ossl_assert(msg != NULL && msg->body != NULL)) |
| return -1; |
| |
| return msg->body->type; |
| } |
| |
| /* Add an extension to the referenced extension stack, which may be NULL */ |
| static int add1_extension(X509_EXTENSIONS **pexts, int nid, int crit, void *ex) |
| { |
| X509_EXTENSION *ext; |
| int res; |
| |
| if (!ossl_assert(pexts != NULL)) /* pointer to var must not be NULL */ |
| return 0; |
| |
| if ((ext = X509V3_EXT_i2d(nid, crit, ex)) == NULL) |
| return 0; |
| |
| res = X509v3_add_ext(pexts, ext, 0) != NULL; |
| X509_EXTENSION_free(ext); |
| return res; |
| } |
| |
| /* Add extension list to the referenced extension stack, which may be NULL */ |
| static int add_extensions(STACK_OF(X509_EXTENSION) **target, |
| const STACK_OF(X509_EXTENSION) *exts) |
| { |
| int i; |
| |
| if (target == NULL) |
| return 0; |
| |
| for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { |
| X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); |
| ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); |
| int idx = X509v3_get_ext_by_OBJ(*target, obj, -1); |
| |
| /* Does extension exist in target? */ |
| if (idx != -1) { |
| /* Delete all extensions of same type */ |
| do { |
| X509_EXTENSION_free(sk_X509_EXTENSION_delete(*target, idx)); |
| idx = X509v3_get_ext_by_OBJ(*target, obj, -1); |
| } while (idx != -1); |
| } |
| if (!X509v3_add_ext(target, ext, -1)) |
| return 0; |
| } |
| return 1; |
| } |
| |
| /* Add a CRL revocation reason code to extension stack, which may be NULL */ |
| static int add_crl_reason_extension(X509_EXTENSIONS **pexts, int reason_code) |
| { |
| ASN1_ENUMERATED *val = ASN1_ENUMERATED_new(); |
| int res = 0; |
| |
| if (val != NULL && ASN1_ENUMERATED_set(val, reason_code)) |
| res = add1_extension(pexts, NID_crl_reason, 0 /* non-critical */, val); |
| ASN1_ENUMERATED_free(val); |
| return res; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_msg_create(OSSL_CMP_CTX *ctx, int bodytype) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if ((msg = OSSL_CMP_MSG_new(ctx->libctx, ctx->propq)) == NULL) |
| return NULL; |
| if (!ossl_cmp_hdr_init(ctx, msg->header) |
| || !ossl_cmp_msg_set_bodytype(msg, bodytype)) |
| goto err; |
| if (ctx->geninfo_ITAVs != NULL |
| && !ossl_cmp_hdr_generalInfo_push1_items(msg->header, |
| ctx->geninfo_ITAVs)) |
| goto err; |
| |
| switch (bodytype) { |
| case OSSL_CMP_PKIBODY_IR: |
| case OSSL_CMP_PKIBODY_CR: |
| case OSSL_CMP_PKIBODY_KUR: |
| if ((msg->body->value.ir = OSSL_CRMF_MSGS_new()) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_P10CR: |
| if (ctx->p10CSR == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_P10CSR); |
| goto err; |
| } |
| if ((msg->body->value.p10cr = X509_REQ_dup(ctx->p10CSR)) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_IP: |
| case OSSL_CMP_PKIBODY_CP: |
| case OSSL_CMP_PKIBODY_KUP: |
| if ((msg->body->value.ip = OSSL_CMP_CERTREPMESSAGE_new()) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_RR: |
| if ((msg->body->value.rr = sk_OSSL_CMP_REVDETAILS_new_null()) == NULL) |
| goto err; |
| return msg; |
| case OSSL_CMP_PKIBODY_RP: |
| if ((msg->body->value.rp = OSSL_CMP_REVREPCONTENT_new()) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_CERTCONF: |
| if ((msg->body->value.certConf = |
| sk_OSSL_CMP_CERTSTATUS_new_null()) == NULL) |
| goto err; |
| return msg; |
| case OSSL_CMP_PKIBODY_PKICONF: |
| if ((msg->body->value.pkiconf = ASN1_TYPE_new()) == NULL) |
| goto err; |
| ASN1_TYPE_set(msg->body->value.pkiconf, V_ASN1_NULL, NULL); |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_POLLREQ: |
| if ((msg->body->value.pollReq = sk_OSSL_CMP_POLLREQ_new_null()) == NULL) |
| goto err; |
| return msg; |
| case OSSL_CMP_PKIBODY_POLLREP: |
| if ((msg->body->value.pollRep = sk_OSSL_CMP_POLLREP_new_null()) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_GENM: |
| case OSSL_CMP_PKIBODY_GENP: |
| if ((msg->body->value.genm = sk_OSSL_CMP_ITAV_new_null()) == NULL) |
| goto err; |
| return msg; |
| |
| case OSSL_CMP_PKIBODY_ERROR: |
| if ((msg->body->value.error = OSSL_CMP_ERRORMSGCONTENT_new()) == NULL) |
| goto err; |
| return msg; |
| |
| default: |
| ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); |
| goto err; |
| } |
| |
| err: |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| #define HAS_SAN(ctx) \ |
| (sk_GENERAL_NAME_num((ctx)->subjectAltNames) > 0 \ |
| || OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1) |
| |
| static const X509_NAME *determine_subj(OSSL_CMP_CTX *ctx, |
| const X509_NAME *ref_subj, |
| int for_KUR) |
| { |
| if (ctx->subjectName != NULL) |
| return IS_NULL_DN(ctx->subjectName) ? NULL : ctx->subjectName; |
| |
| if (ref_subj != NULL && (ctx->p10CSR != NULL || for_KUR || !HAS_SAN(ctx))) |
| /* |
| * For KUR, copy subject from the reference. |
| * For IR or CR, do the same only if there is no subjectAltName. |
| */ |
| return ref_subj; |
| return NULL; |
| } |
| |
| OSSL_CRMF_MSG *OSSL_CMP_CTX_setup_CRM(OSSL_CMP_CTX *ctx, int for_KUR, int rid) |
| { |
| OSSL_CRMF_MSG *crm = NULL; |
| X509 *refcert = ctx->oldCert != NULL ? ctx->oldCert : ctx->cert; |
| /* refcert defaults to current client cert */ |
| EVP_PKEY *rkey = OSSL_CMP_CTX_get0_newPkey(ctx, 0); |
| STACK_OF(GENERAL_NAME) *default_sans = NULL; |
| const X509_NAME *ref_subj = |
| ctx->p10CSR != NULL ? X509_REQ_get_subject_name(ctx->p10CSR) : |
| refcert != NULL ? X509_get_subject_name(refcert) : NULL; |
| const X509_NAME *subject = determine_subj(ctx, ref_subj, for_KUR); |
| const X509_NAME *issuer = ctx->issuer != NULL || refcert == NULL |
| ? (IS_NULL_DN(ctx->issuer) ? NULL : ctx->issuer) |
| : X509_get_issuer_name(refcert); |
| int crit = ctx->setSubjectAltNameCritical || subject == NULL; |
| /* RFC5280: subjectAltName MUST be critical if subject is null */ |
| X509_EXTENSIONS *exts = NULL; |
| |
| if (rkey == NULL && ctx->p10CSR != NULL) |
| rkey = X509_REQ_get0_pubkey(ctx->p10CSR); |
| if (rkey == NULL && refcert != NULL) |
| rkey = X509_get0_pubkey(refcert); |
| if (rkey == NULL) |
| rkey = ctx->pkey; /* default is independent of ctx->oldCert */ |
| if (rkey == NULL) { |
| #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
| ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); |
| return NULL; |
| #endif |
| } |
| if (for_KUR && refcert == NULL && ctx->p10CSR == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_REFERENCE_CERT); |
| return NULL; |
| } |
| if ((crm = OSSL_CRMF_MSG_new()) == NULL) |
| return NULL; |
| if (!OSSL_CRMF_MSG_set_certReqId(crm, rid) |
| /* |
| * fill certTemplate, corresponding to CertificationRequestInfo |
| * of PKCS#10. The rkey param cannot be NULL so far - |
| * it could be NULL if centralized key creation was supported |
| */ |
| || !OSSL_CRMF_CERTTEMPLATE_fill(OSSL_CRMF_MSG_get0_tmpl(crm), rkey, |
| subject, issuer, NULL /* serial */)) |
| goto err; |
| if (ctx->days != 0) { |
| time_t now = time(NULL); |
| ASN1_TIME *notBefore = ASN1_TIME_adj(NULL, now, 0, 0); |
| ASN1_TIME *notAfter = ASN1_TIME_adj(NULL, now, ctx->days, 0); |
| |
| if (notBefore == NULL |
| || notAfter == NULL |
| || !OSSL_CRMF_MSG_set0_validity(crm, notBefore, notAfter)) { |
| ASN1_TIME_free(notBefore); |
| ASN1_TIME_free(notAfter); |
| goto err; |
| } |
| } |
| |
| /* extensions */ |
| if (ctx->p10CSR != NULL |
| && (exts = X509_REQ_get_extensions(ctx->p10CSR)) == NULL) |
| goto err; |
| if (!ctx->SubjectAltName_nodefault && !HAS_SAN(ctx) && refcert != NULL |
| && (default_sans = X509V3_get_d2i(X509_get0_extensions(refcert), |
| NID_subject_alt_name, NULL, NULL)) |
| != NULL |
| && !add1_extension(&exts, NID_subject_alt_name, crit, default_sans)) |
| goto err; |
| if (ctx->reqExtensions != NULL /* augment/override existing ones */ |
| && !add_extensions(&exts, ctx->reqExtensions)) |
| goto err; |
| if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0 |
| && !add1_extension(&exts, NID_subject_alt_name, |
| crit, ctx->subjectAltNames)) |
| goto err; |
| if (ctx->policies != NULL |
| && !add1_extension(&exts, NID_certificate_policies, |
| ctx->setPoliciesCritical, ctx->policies)) |
| goto err; |
| if (!OSSL_CRMF_MSG_set0_extensions(crm, exts)) |
| goto err; |
| exts = NULL; |
| /* end fill certTemplate, now set any controls */ |
| |
| /* for KUR, set OldCertId according to D.6 */ |
| if (for_KUR && refcert != NULL) { |
| OSSL_CRMF_CERTID *cid = |
| OSSL_CRMF_CERTID_gen(X509_get_issuer_name(refcert), |
| X509_get0_serialNumber(refcert)); |
| int ret; |
| |
| if (cid == NULL) |
| goto err; |
| ret = OSSL_CRMF_MSG_set1_regCtrl_oldCertID(crm, cid); |
| OSSL_CRMF_CERTID_free(cid); |
| if (ret == 0) |
| goto err; |
| } |
| |
| goto end; |
| |
| err: |
| OSSL_CRMF_MSG_free(crm); |
| crm = NULL; |
| |
| end: |
| sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); |
| sk_GENERAL_NAME_pop_free(default_sans, GENERAL_NAME_free); |
| return crm; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_certreq_new(OSSL_CMP_CTX *ctx, int type, |
| const OSSL_CRMF_MSG *crm) |
| { |
| OSSL_CMP_MSG *msg; |
| OSSL_CRMF_MSG *local_crm = NULL; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if (type != OSSL_CMP_PKIBODY_IR && type != OSSL_CMP_PKIBODY_CR |
| && type != OSSL_CMP_PKIBODY_KUR && type != OSSL_CMP_PKIBODY_P10CR) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS); |
| return NULL; |
| } |
| if (type == OSSL_CMP_PKIBODY_P10CR && crm != NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS); |
| return NULL; |
| } |
| |
| if ((msg = ossl_cmp_msg_create(ctx, type)) == NULL) |
| goto err; |
| |
| /* header */ |
| if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header)) |
| goto err; |
| |
| /* body */ |
| /* For P10CR the content has already been set in OSSL_CMP_MSG_create */ |
| if (type != OSSL_CMP_PKIBODY_P10CR) { |
| EVP_PKEY *privkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1); |
| |
| /* |
| * privkey is NULL in case ctx->newPkey does not include a private key. |
| * We then may try to use ctx->pkey as fallback/default, but only |
| * if ctx-> newPkey does not include a (non-matching) public key: |
| */ |
| if (privkey == NULL && OSSL_CMP_CTX_get0_newPkey(ctx, 0) == NULL) |
| privkey = ctx->pkey; /* default is independent of ctx->oldCert */ |
| if (ctx->popoMethod == OSSL_CRMF_POPO_SIGNATURE && privkey == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY); |
| goto err; |
| } |
| if (crm == NULL) { |
| local_crm = OSSL_CMP_CTX_setup_CRM(ctx, |
| type == OSSL_CMP_PKIBODY_KUR, |
| OSSL_CMP_CERTREQID); |
| if (local_crm == NULL |
| || !OSSL_CRMF_MSG_create_popo(ctx->popoMethod, local_crm, |
| privkey, ctx->digest, |
| ctx->libctx, ctx->propq)) |
| goto err; |
| } else { |
| if ((local_crm = OSSL_CRMF_MSG_dup(crm)) == NULL) |
| goto err; |
| } |
| |
| /* value.ir is same for cr and kur */ |
| if (!sk_OSSL_CRMF_MSG_push(msg->body->value.ir, local_crm)) |
| goto err; |
| local_crm = NULL; |
| } |
| |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREQ); |
| OSSL_CRMF_MSG_free(local_crm); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_certrep_new(OSSL_CMP_CTX *ctx, int bodytype, |
| int certReqId, const OSSL_CMP_PKISI *si, |
| X509 *cert, const X509 *encryption_recip, |
| STACK_OF(X509) *chain, STACK_OF(X509) *caPubs, |
| int unprotectedErrors) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| OSSL_CMP_CERTREPMESSAGE *repMsg = NULL; |
| OSSL_CMP_CERTRESPONSE *resp = NULL; |
| int status = -1; |
| |
| if (!ossl_assert(ctx != NULL && si != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, bodytype)) == NULL) |
| goto err; |
| repMsg = msg->body->value.ip; /* value.ip is same for cp and kup */ |
| |
| /* header */ |
| if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header)) |
| goto err; |
| |
| /* body */ |
| if ((resp = OSSL_CMP_CERTRESPONSE_new()) == NULL) |
| goto err; |
| OSSL_CMP_PKISI_free(resp->status); |
| if ((resp->status = OSSL_CMP_PKISI_dup(si)) == NULL |
| || !ASN1_INTEGER_set(resp->certReqId, certReqId)) |
| goto err; |
| |
| status = ossl_cmp_pkisi_get_status(resp->status); |
| if (status != OSSL_CMP_PKISTATUS_rejection |
| && status != OSSL_CMP_PKISTATUS_waiting && cert != NULL) { |
| if (encryption_recip != NULL) { |
| ERR_raise(ERR_LIB_CMP, ERR_R_UNSUPPORTED); |
| goto err; |
| } |
| |
| if ((resp->certifiedKeyPair = OSSL_CMP_CERTIFIEDKEYPAIR_new()) |
| == NULL) |
| goto err; |
| resp->certifiedKeyPair->certOrEncCert->type = |
| OSSL_CMP_CERTORENCCERT_CERTIFICATE; |
| if (!X509_up_ref(cert)) |
| goto err; |
| resp->certifiedKeyPair->certOrEncCert->value.certificate = cert; |
| } |
| |
| if (!sk_OSSL_CMP_CERTRESPONSE_push(repMsg->response, resp)) |
| goto err; |
| resp = NULL; |
| |
| if (bodytype == OSSL_CMP_PKIBODY_IP && caPubs != NULL |
| && (repMsg->caPubs = X509_chain_up_ref(caPubs)) == NULL) |
| goto err; |
| if (sk_X509_num(chain) > 0 |
| && !ossl_x509_add_certs_new(&msg->extraCerts, chain, |
| X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP)) |
| goto err; |
| |
| if (!unprotectedErrors |
| || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection) |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREP); |
| OSSL_CMP_CERTRESPONSE_free(resp); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_rr_new(OSSL_CMP_CTX *ctx) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| OSSL_CMP_REVDETAILS *rd; |
| int ret; |
| |
| if (!ossl_assert(ctx != NULL && (ctx->oldCert != NULL |
| || ctx->p10CSR != NULL))) |
| return NULL; |
| |
| if ((rd = OSSL_CMP_REVDETAILS_new()) == NULL) |
| goto err; |
| |
| /* Fill the template from the contents of the certificate to be revoked */ |
| ret = ctx->oldCert != NULL |
| ? OSSL_CRMF_CERTTEMPLATE_fill(rd->certDetails, |
| NULL /* pubkey would be redundant */, |
| NULL /* subject would be redundant */, |
| X509_get_issuer_name(ctx->oldCert), |
| X509_get0_serialNumber(ctx->oldCert)) |
| : OSSL_CRMF_CERTTEMPLATE_fill(rd->certDetails, |
| X509_REQ_get0_pubkey(ctx->p10CSR), |
| X509_REQ_get_subject_name(ctx->p10CSR), |
| NULL, NULL); |
| if (!ret) |
| goto err; |
| |
| /* revocation reason code is optional */ |
| if (ctx->revocationReason != CRL_REASON_NONE |
| && !add_crl_reason_extension(&rd->crlEntryDetails, |
| ctx->revocationReason)) |
| goto err; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RR)) == NULL) |
| goto err; |
| |
| if (!sk_OSSL_CMP_REVDETAILS_push(msg->body->value.rr, rd)) |
| goto err; |
| rd = NULL; |
| /* Revocation Passphrase according to section 5.3.19.9 could be set here */ |
| |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RR); |
| OSSL_CMP_MSG_free(msg); |
| OSSL_CMP_REVDETAILS_free(rd); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_rp_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si, |
| const OSSL_CRMF_CERTID *cid, int unprotectedErrors) |
| { |
| OSSL_CMP_REVREPCONTENT *rep = NULL; |
| OSSL_CMP_PKISI *si1 = NULL; |
| OSSL_CRMF_CERTID *cid_copy = NULL; |
| OSSL_CMP_MSG *msg = NULL; |
| |
| if (!ossl_assert(ctx != NULL && si != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RP)) == NULL) |
| goto err; |
| rep = msg->body->value.rp; |
| |
| if ((si1 = OSSL_CMP_PKISI_dup(si)) == NULL) |
| goto err; |
| |
| if (!sk_OSSL_CMP_PKISI_push(rep->status, si1)) { |
| OSSL_CMP_PKISI_free(si1); |
| goto err; |
| } |
| |
| if ((rep->revCerts = sk_OSSL_CRMF_CERTID_new_null()) == NULL) |
| goto err; |
| if (cid != NULL) { |
| if ((cid_copy = OSSL_CRMF_CERTID_dup(cid)) == NULL) |
| goto err; |
| if (!sk_OSSL_CRMF_CERTID_push(rep->revCerts, cid_copy)) { |
| OSSL_CRMF_CERTID_free(cid_copy); |
| goto err; |
| } |
| } |
| |
| if (!unprotectedErrors |
| || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection) |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RP); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_pkiconf_new(OSSL_CMP_CTX *ctx) |
| { |
| OSSL_CMP_MSG *msg; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_PKICONF)) == NULL) |
| goto err; |
| if (ossl_cmp_msg_protect(ctx, msg)) |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_PKICONF); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| int ossl_cmp_msg_gen_push0_ITAV(OSSL_CMP_MSG *msg, OSSL_CMP_ITAV *itav) |
| { |
| int bodytype; |
| |
| if (!ossl_assert(msg != NULL && itav != NULL)) |
| return 0; |
| |
| bodytype = OSSL_CMP_MSG_get_bodytype(msg); |
| if (bodytype != OSSL_CMP_PKIBODY_GENM |
| && bodytype != OSSL_CMP_PKIBODY_GENP) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS); |
| return 0; |
| } |
| |
| /* value.genp has the same structure, so this works for genp as well */ |
| return OSSL_CMP_ITAV_push0_stack_item(&msg->body->value.genm, itav); |
| } |
| |
| int ossl_cmp_msg_gen_push1_ITAVs(OSSL_CMP_MSG *msg, |
| const STACK_OF(OSSL_CMP_ITAV) *itavs) |
| { |
| int i; |
| OSSL_CMP_ITAV *itav = NULL; |
| |
| if (!ossl_assert(msg != NULL)) |
| return 0; |
| |
| for (i = 0; i < sk_OSSL_CMP_ITAV_num(itavs); i++) { |
| itav = OSSL_CMP_ITAV_dup(sk_OSSL_CMP_ITAV_value(itavs, i)); |
| if (itav == NULL |
| || !ossl_cmp_msg_gen_push0_ITAV(msg, itav)) { |
| OSSL_CMP_ITAV_free(itav); |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| /* |
| * Creates a new General Message/Response with an empty itav stack |
| * returns a pointer to the PKIMessage on success, NULL on error |
| */ |
| static OSSL_CMP_MSG *gen_new(OSSL_CMP_CTX *ctx, |
| const STACK_OF(OSSL_CMP_ITAV) *itavs, |
| int body_type, int err_code) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, body_type)) == NULL) |
| return NULL; |
| |
| if (ctx->genm_ITAVs != NULL |
| && !ossl_cmp_msg_gen_push1_ITAVs(msg, itavs)) |
| goto err; |
| |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, err_code); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_genm_new(OSSL_CMP_CTX *ctx) |
| { |
| return gen_new(ctx, ctx->genm_ITAVs, |
| OSSL_CMP_PKIBODY_GENM, CMP_R_ERROR_CREATING_GENM); |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_genp_new(OSSL_CMP_CTX *ctx, |
| const STACK_OF(OSSL_CMP_ITAV) *itavs) |
| { |
| return gen_new(ctx, itavs, |
| OSSL_CMP_PKIBODY_GENP, CMP_R_ERROR_CREATING_GENP); |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_error_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si, |
| int64_t errorCode, const char *details, |
| int unprotected) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| const char *lib = NULL, *reason = NULL; |
| OSSL_CMP_PKIFREETEXT *ft; |
| |
| if (!ossl_assert(ctx != NULL && si != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_ERROR)) == NULL) |
| goto err; |
| |
| OSSL_CMP_PKISI_free(msg->body->value.error->pKIStatusInfo); |
| if ((msg->body->value.error->pKIStatusInfo = OSSL_CMP_PKISI_dup(si)) |
| == NULL) |
| goto err; |
| if ((msg->body->value.error->errorCode = ASN1_INTEGER_new()) == NULL) |
| goto err; |
| if (!ASN1_INTEGER_set_int64(msg->body->value.error->errorCode, errorCode)) |
| goto err; |
| if (errorCode > 0 |
| && (uint64_t)errorCode < ((uint64_t)ERR_SYSTEM_FLAG << 1)) { |
| lib = ERR_lib_error_string((unsigned long)errorCode); |
| reason = ERR_reason_error_string((unsigned long)errorCode); |
| } |
| if (lib != NULL || reason != NULL || details != NULL) { |
| if ((ft = sk_ASN1_UTF8STRING_new_null()) == NULL) |
| goto err; |
| msg->body->value.error->errorDetails = ft; |
| if (lib != NULL && *lib != '\0' |
| && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, lib, -1)) |
| goto err; |
| if (reason != NULL && *reason != '\0' |
| && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, reason, -1)) |
| goto err; |
| if (details != NULL |
| && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, details, -1)) |
| goto err; |
| } |
| |
| if (!unprotected && !ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_ERROR); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| /* |
| * Set the certHash field of a OSSL_CMP_CERTSTATUS structure. |
| * This is used in the certConf message, for example, |
| * to confirm that the certificate was received successfully. |
| */ |
| int ossl_cmp_certstatus_set0_certHash(OSSL_CMP_CERTSTATUS *certStatus, |
| ASN1_OCTET_STRING *hash) |
| { |
| if (!ossl_assert(certStatus != NULL)) |
| return 0; |
| ASN1_OCTET_STRING_free(certStatus->certHash); |
| certStatus->certHash = hash; |
| return 1; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_certConf_new(OSSL_CMP_CTX *ctx, int fail_info, |
| const char *text) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| OSSL_CMP_CERTSTATUS *certStatus = NULL; |
| ASN1_OCTET_STRING *certHash = NULL; |
| OSSL_CMP_PKISI *sinfo; |
| |
| if (!ossl_assert(ctx != NULL && ctx->newCert != NULL)) |
| return NULL; |
| |
| if ((unsigned)fail_info > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_FAIL_INFO_OUT_OF_RANGE); |
| return NULL; |
| } |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_CERTCONF)) == NULL) |
| goto err; |
| |
| if ((certStatus = OSSL_CMP_CERTSTATUS_new()) == NULL) |
| goto err; |
| /* consume certStatus into msg right away so it gets deallocated with msg */ |
| if (!sk_OSSL_CMP_CERTSTATUS_push(msg->body->value.certConf, certStatus)) |
| goto err; |
| /* set the ID of the certReq */ |
| if (!ASN1_INTEGER_set(certStatus->certReqId, OSSL_CMP_CERTREQID)) |
| goto err; |
| /* |
| * The hash of the certificate, using the same hash algorithm |
| * as is used to create and verify the certificate signature. |
| * If not available, a default hash algorithm is used. |
| */ |
| if ((certHash = X509_digest_sig(ctx->newCert, NULL, NULL)) == NULL) |
| goto err; |
| |
| if (!ossl_cmp_certstatus_set0_certHash(certStatus, certHash)) |
| goto err; |
| certHash = NULL; |
| /* |
| * For any particular CertStatus, omission of the statusInfo field |
| * indicates ACCEPTANCE of the specified certificate. Alternatively, |
| * explicit status details (with respect to acceptance or rejection) MAY |
| * be provided in the statusInfo field, perhaps for auditing purposes at |
| * the CA/RA. |
| */ |
| sinfo = fail_info != 0 ? |
| OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection, fail_info, text) : |
| OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_accepted, 0, text); |
| if (sinfo == NULL) |
| goto err; |
| certStatus->statusInfo = sinfo; |
| |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTCONF); |
| OSSL_CMP_MSG_free(msg); |
| ASN1_OCTET_STRING_free(certHash); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_pollReq_new(OSSL_CMP_CTX *ctx, int crid) |
| { |
| OSSL_CMP_MSG *msg = NULL; |
| OSSL_CMP_POLLREQ *preq = NULL; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREQ)) == NULL) |
| goto err; |
| |
| if ((preq = OSSL_CMP_POLLREQ_new()) == NULL |
| || !ASN1_INTEGER_set(preq->certReqId, crid) |
| || !sk_OSSL_CMP_POLLREQ_push(msg->body->value.pollReq, preq)) |
| goto err; |
| |
| preq = NULL; |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREQ); |
| OSSL_CMP_POLLREQ_free(preq); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| OSSL_CMP_MSG *ossl_cmp_pollRep_new(OSSL_CMP_CTX *ctx, int crid, |
| int64_t poll_after) |
| { |
| OSSL_CMP_MSG *msg; |
| OSSL_CMP_POLLREP *prep; |
| |
| if (!ossl_assert(ctx != NULL)) |
| return NULL; |
| |
| if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREP)) == NULL) |
| goto err; |
| if ((prep = OSSL_CMP_POLLREP_new()) == NULL) |
| goto err; |
| if (!sk_OSSL_CMP_POLLREP_push(msg->body->value.pollRep, prep)) |
| goto err; |
| if (!ASN1_INTEGER_set(prep->certReqId, crid)) |
| goto err; |
| if (!ASN1_INTEGER_set_int64(prep->checkAfter, poll_after)) |
| goto err; |
| |
| if (!ossl_cmp_msg_protect(ctx, msg)) |
| goto err; |
| return msg; |
| |
| err: |
| ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREP); |
| OSSL_CMP_MSG_free(msg); |
| return NULL; |
| } |
| |
| /*- |
| * returns the status field of the RevRepContent with the given |
| * request/sequence id inside a revocation response. |
| * RevRepContent has the revocation statuses in same order as they were sent in |
| * RevReqContent. |
| * returns NULL on error |
| */ |
| OSSL_CMP_PKISI * |
| ossl_cmp_revrepcontent_get_pkisi(OSSL_CMP_REVREPCONTENT *rrep, int rsid) |
| { |
| OSSL_CMP_PKISI *status; |
| |
| if (!ossl_assert(rrep != NULL)) |
| return NULL; |
| |
| if ((status = sk_OSSL_CMP_PKISI_value(rrep->status, rsid)) != NULL) |
| return status; |
| |
| ERR_raise(ERR_LIB_CMP, CMP_R_PKISTATUSINFO_NOT_FOUND); |
| return NULL; |
| } |
| |
| /* |
| * returns the CertId field in the revCerts part of the RevRepContent |
| * with the given request/sequence id inside a revocation response. |
| * RevRepContent has the CertIds in same order as they were sent in |
| * RevReqContent. |
| * returns NULL on error |
| */ |
| OSSL_CRMF_CERTID * |
| ossl_cmp_revrepcontent_get_CertId(OSSL_CMP_REVREPCONTENT *rrep, int rsid) |
| { |
| OSSL_CRMF_CERTID *cid = NULL; |
| |
| if (!ossl_assert(rrep != NULL)) |
| return NULL; |
| |
| if ((cid = sk_OSSL_CRMF_CERTID_value(rrep->revCerts, rsid)) != NULL) |
| return cid; |
| |
| ERR_raise(ERR_LIB_CMP, CMP_R_CERTID_NOT_FOUND); |
| return NULL; |
| } |
| |
| static int suitable_rid(const ASN1_INTEGER *certReqId, int rid) |
| { |
| int trid; |
| |
| if (rid == -1) |
| return 1; |
| |
| trid = ossl_cmp_asn1_get_int(certReqId); |
| |
| if (trid == -1) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_BAD_REQUEST_ID); |
| return 0; |
| } |
| return rid == trid; |
| } |
| |
| /* |
| * returns a pointer to the PollResponse with the given CertReqId |
| * (or the first one in case -1) inside a PollRepContent |
| * returns NULL on error or if no suitable PollResponse available |
| */ |
| OSSL_CMP_POLLREP * |
| ossl_cmp_pollrepcontent_get0_pollrep(const OSSL_CMP_POLLREPCONTENT *prc, |
| int rid) |
| { |
| OSSL_CMP_POLLREP *pollRep = NULL; |
| int i; |
| |
| if (!ossl_assert(prc != NULL)) |
| return NULL; |
| |
| for (i = 0; i < sk_OSSL_CMP_POLLREP_num(prc); i++) { |
| pollRep = sk_OSSL_CMP_POLLREP_value(prc, i); |
| if (suitable_rid(pollRep->certReqId, rid)) |
| return pollRep; |
| } |
| |
| ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND, |
| "expected certReqId = %d", rid); |
| return NULL; |
| } |
| |
| /* |
| * returns a pointer to the CertResponse with the given CertReqId |
| * (or the first one in case -1) inside a CertRepMessage |
| * returns NULL on error or if no suitable CertResponse available |
| */ |
| OSSL_CMP_CERTRESPONSE * |
| ossl_cmp_certrepmessage_get0_certresponse(const OSSL_CMP_CERTREPMESSAGE *crm, |
| int rid) |
| { |
| OSSL_CMP_CERTRESPONSE *crep = NULL; |
| int i; |
| |
| if (!ossl_assert(crm != NULL && crm->response != NULL)) |
| return NULL; |
| |
| for (i = 0; i < sk_OSSL_CMP_CERTRESPONSE_num(crm->response); i++) { |
| crep = sk_OSSL_CMP_CERTRESPONSE_value(crm->response, i); |
| if (suitable_rid(crep->certReqId, rid)) |
| return crep; |
| } |
| |
| ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND, |
| "expected certReqId = %d", rid); |
| return NULL; |
| } |
| |
| /*- |
| * Retrieve the newly enrolled certificate from the given certResponse crep. |
| * In case of indirect POPO uses the libctx and propq from ctx and private key. |
| * Returns a pointer to a copy of the found certificate, or NULL if not found. |
| */ |
| X509 *ossl_cmp_certresponse_get1_cert(const OSSL_CMP_CERTRESPONSE *crep, |
| const OSSL_CMP_CTX *ctx, EVP_PKEY *pkey) |
| { |
| OSSL_CMP_CERTORENCCERT *coec; |
| X509 *crt = NULL; |
| |
| if (!ossl_assert(crep != NULL && ctx != NULL)) |
| return NULL; |
| |
| if (crep->certifiedKeyPair |
| && (coec = crep->certifiedKeyPair->certOrEncCert) != NULL) { |
| switch (coec->type) { |
| case OSSL_CMP_CERTORENCCERT_CERTIFICATE: |
| crt = X509_dup(coec->value.certificate); |
| break; |
| case OSSL_CMP_CERTORENCCERT_ENCRYPTEDCERT: |
| /* cert encrypted for indirect PoP; RFC 4210, 5.2.8.2 */ |
| if (pkey == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY); |
| return NULL; |
| } |
| crt = |
| OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(coec->value.encryptedCert, |
| ctx->libctx, ctx->propq, |
| pkey); |
| break; |
| default: |
| ERR_raise(ERR_LIB_CMP, CMP_R_UNKNOWN_CERT_TYPE); |
| return NULL; |
| } |
| } |
| if (crt == NULL) |
| ERR_raise(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_FOUND); |
| else |
| (void)ossl_x509_set0_libctx(crt, ctx->libctx, ctx->propq); |
| return crt; |
| } |
| |
| int OSSL_CMP_MSG_update_transactionID(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg) |
| { |
| if (ctx == NULL || msg == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); |
| return 0; |
| } |
| if (!ossl_cmp_hdr_set_transactionID(ctx, msg->header)) |
| return 0; |
| return msg->header->protectionAlg == NULL |
| || ossl_cmp_msg_protect(ctx, msg); |
| } |
| |
| OSSL_CMP_MSG *OSSL_CMP_MSG_read(const char *file, OSSL_LIB_CTX *libctx, |
| const char *propq) |
| { |
| OSSL_CMP_MSG *msg; |
| BIO *bio = NULL; |
| |
| if (file == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); |
| return NULL; |
| } |
| |
| msg = OSSL_CMP_MSG_new(libctx, propq); |
| if (msg == NULL) { |
| ERR_raise(ERR_LIB_CMP, ERR_R_MALLOC_FAILURE); |
| return NULL; |
| } |
| |
| if ((bio = BIO_new_file(file, "rb")) == NULL |
| || d2i_OSSL_CMP_MSG_bio(bio, &msg) == NULL) { |
| OSSL_CMP_MSG_free(msg); |
| msg = NULL; |
| } |
| BIO_free(bio); |
| return msg; |
| } |
| |
| int OSSL_CMP_MSG_write(const char *file, const OSSL_CMP_MSG *msg) |
| { |
| BIO *bio; |
| int res; |
| |
| if (file == NULL || msg == NULL) { |
| ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); |
| return -1; |
| } |
| |
| bio = BIO_new_file(file, "wb"); |
| if (bio == NULL) |
| return -2; |
| res = i2d_OSSL_CMP_MSG_bio(bio, msg); |
| BIO_free(bio); |
| return res; |
| } |
| |
| OSSL_CMP_MSG *d2i_OSSL_CMP_MSG(OSSL_CMP_MSG **msg, const unsigned char **in, |
| long len) |
| { |
| OSSL_LIB_CTX *libctx = NULL; |
| const char *propq = NULL; |
| |
| if (msg != NULL && *msg != NULL) { |
| libctx = (*msg)->libctx; |
| propq = (*msg)->propq; |
| } |
| |
| return (OSSL_CMP_MSG *)ASN1_item_d2i_ex((ASN1_VALUE **)msg, in, len, |
| ASN1_ITEM_rptr(OSSL_CMP_MSG), |
| libctx, propq); |
| } |
| |
| int i2d_OSSL_CMP_MSG(const OSSL_CMP_MSG *msg, unsigned char **out) |
| { |
| return ASN1_item_i2d((const ASN1_VALUE *)msg, out, |
| ASN1_ITEM_rptr(OSSL_CMP_MSG)); |
| } |
| |
| OSSL_CMP_MSG *d2i_OSSL_CMP_MSG_bio(BIO *bio, OSSL_CMP_MSG **msg) |
| { |
| OSSL_LIB_CTX *libctx = NULL; |
| const char *propq = NULL; |
| |
| if (msg != NULL && *msg != NULL) { |
| libctx = (*msg)->libctx; |
| propq = (*msg)->propq; |
| } |
| |
| return ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG), bio, msg, libctx, |
| propq); |
| } |
| |
| int i2d_OSSL_CMP_MSG_bio(BIO *bio, const OSSL_CMP_MSG *msg) |
| { |
| return ASN1_i2d_bio_of(OSSL_CMP_MSG, i2d_OSSL_CMP_MSG, bio, msg); |
| } |
