mirror of
https://github.com/openssl/openssl.git
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12bbcee21b
Also adds ossl_cmp_hdr_get_protection_nid() simplifying cmp_vfy.c Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11998)
647 lines
21 KiB
C
647 lines
21 KiB
C
/*
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* Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright Nokia 2007-2019
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* Copyright Siemens AG 2015-2019
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* general CMP server functions */
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#include <openssl/asn1t.h>
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#include "cmp_local.h"
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/* explicit #includes not strictly needed since implied by the above: */
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#include <openssl/cmp.h>
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#include <openssl/err.h>
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DEFINE_STACK_OF(OSSL_CRMF_MSG)
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DEFINE_STACK_OF(X509)
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DEFINE_STACK_OF(OSSL_CMP_ITAV)
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DEFINE_STACK_OF(OSSL_CMP_CERTSTATUS)
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/* the context for the generic CMP server */
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struct ossl_cmp_srv_ctx_st
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{
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OSSL_CMP_CTX *ctx; /* Client CMP context, partly reused for srv */
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void *custom_ctx; /* pointer to specific server context */
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OSSL_CMP_SRV_cert_request_cb_t process_cert_request;
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OSSL_CMP_SRV_rr_cb_t process_rr;
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OSSL_CMP_SRV_genm_cb_t process_genm;
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OSSL_CMP_SRV_error_cb_t process_error;
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OSSL_CMP_SRV_certConf_cb_t process_certConf;
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OSSL_CMP_SRV_pollReq_cb_t process_pollReq;
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int sendUnprotectedErrors; /* Send error and rejection msgs unprotected */
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int acceptUnprotected; /* Accept requests with no/invalid prot. */
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int acceptRAVerified; /* Accept ir/cr/kur with POPO RAVerified */
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int grantImplicitConfirm; /* Grant implicit confirmation if requested */
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}; /* OSSL_CMP_SRV_CTX */
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void OSSL_CMP_SRV_CTX_free(OSSL_CMP_SRV_CTX *srv_ctx)
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{
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if (srv_ctx == NULL)
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return;
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OSSL_CMP_CTX_free(srv_ctx->ctx);
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OPENSSL_free(srv_ctx);
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}
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OSSL_CMP_SRV_CTX *OSSL_CMP_SRV_CTX_new(void)
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{
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OSSL_CMP_SRV_CTX *ctx = OPENSSL_zalloc(sizeof(OSSL_CMP_SRV_CTX));
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if (ctx == NULL)
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goto err;
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if ((ctx->ctx = OSSL_CMP_CTX_new()) == NULL)
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goto err;
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/* all other elements are initialized to 0 or NULL, respectively */
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return ctx;
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err:
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OSSL_CMP_SRV_CTX_free(ctx);
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return NULL;
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}
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int OSSL_CMP_SRV_CTX_init(OSSL_CMP_SRV_CTX *srv_ctx, void *custom_ctx,
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OSSL_CMP_SRV_cert_request_cb_t process_cert_request,
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OSSL_CMP_SRV_rr_cb_t process_rr,
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OSSL_CMP_SRV_genm_cb_t process_genm,
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OSSL_CMP_SRV_error_cb_t process_error,
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OSSL_CMP_SRV_certConf_cb_t process_certConf,
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OSSL_CMP_SRV_pollReq_cb_t process_pollReq)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return 0;
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}
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srv_ctx->custom_ctx = custom_ctx;
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srv_ctx->process_cert_request = process_cert_request;
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srv_ctx->process_rr = process_rr;
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srv_ctx->process_genm = process_genm;
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srv_ctx->process_error = process_error;
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srv_ctx->process_certConf = process_certConf;
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srv_ctx->process_pollReq = process_pollReq;
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return 1;
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}
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OSSL_CMP_CTX *OSSL_CMP_SRV_CTX_get0_cmp_ctx(const OSSL_CMP_SRV_CTX *srv_ctx)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return NULL;
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}
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return srv_ctx->ctx;
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}
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void *OSSL_CMP_SRV_CTX_get0_custom_ctx(const OSSL_CMP_SRV_CTX *srv_ctx)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return NULL;
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}
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return srv_ctx->custom_ctx;
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}
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int OSSL_CMP_SRV_CTX_set_send_unprotected_errors(OSSL_CMP_SRV_CTX *srv_ctx,
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int val)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return 0;
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}
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srv_ctx->sendUnprotectedErrors = val != 0;
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return 1;
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}
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int OSSL_CMP_SRV_CTX_set_accept_unprotected(OSSL_CMP_SRV_CTX *srv_ctx, int val)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return 0;
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}
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srv_ctx->acceptUnprotected = val != 0;
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return 1;
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}
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int OSSL_CMP_SRV_CTX_set_accept_raverified(OSSL_CMP_SRV_CTX *srv_ctx, int val)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return 0;
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}
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srv_ctx->acceptRAVerified = val != 0;
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return 1;
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}
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int OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(OSSL_CMP_SRV_CTX *srv_ctx,
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int val)
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{
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if (srv_ctx == NULL) {
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CMPerr(0, CMP_R_NULL_ARGUMENT);
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return 0;
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}
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srv_ctx->grantImplicitConfirm = val != 0;
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return 1;
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}
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/*
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* Processes an ir/cr/p10cr/kur and returns a certification response.
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* Only handles the first certification request contained in req
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* returns an ip/cp/kup on success and NULL on error
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*/
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static OSSL_CMP_MSG *process_cert_request(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_MSG *msg = NULL;
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OSSL_CMP_PKISI *si = NULL;
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X509 *certOut = NULL;
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STACK_OF(X509) *chainOut = NULL, *caPubs = NULL;
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const OSSL_CRMF_MSG *crm = NULL;
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const X509_REQ *p10cr = NULL;
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int bodytype;
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int certReqId;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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switch (ossl_cmp_msg_get_bodytype(req)) {
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case OSSL_CMP_PKIBODY_P10CR:
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case OSSL_CMP_PKIBODY_CR:
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bodytype = OSSL_CMP_PKIBODY_CP;
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break;
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case OSSL_CMP_PKIBODY_IR:
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bodytype = OSSL_CMP_PKIBODY_IP;
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break;
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case OSSL_CMP_PKIBODY_KUR:
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bodytype = OSSL_CMP_PKIBODY_KUP;
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break;
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default:
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CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
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return NULL;
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}
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if (ossl_cmp_msg_get_bodytype(req) == OSSL_CMP_PKIBODY_P10CR) {
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certReqId = OSSL_CMP_CERTREQID;
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p10cr = req->body->value.p10cr;
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} else {
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OSSL_CRMF_MSGS *reqs = req->body->value.ir; /* same for cr and kur */
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if (sk_OSSL_CRMF_MSG_num(reqs) != 1) { /* TODO: handle case > 1 */
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CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
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return NULL;
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}
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if ((crm = sk_OSSL_CRMF_MSG_value(reqs, OSSL_CMP_CERTREQID)) == NULL) {
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CMPerr(0, CMP_R_CERTREQMSG_NOT_FOUND);
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return NULL;
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}
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certReqId = OSSL_CRMF_MSG_get_certReqId(crm);
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}
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if (!ossl_cmp_verify_popo(req, srv_ctx->acceptRAVerified)) {
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/* Proof of possession could not be verified */
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si = OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection,
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1 << OSSL_CMP_PKIFAILUREINFO_badPOP,
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ERR_reason_error_string(ERR_peek_error()));
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if (si == NULL)
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return NULL;
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} else {
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OSSL_CMP_PKIHEADER *hdr = OSSL_CMP_MSG_get0_header(req);
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si = srv_ctx->process_cert_request(srv_ctx, req, certReqId, crm, p10cr,
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&certOut, &chainOut, &caPubs);
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if (si == NULL)
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goto err;
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/* set OSSL_CMP_OPT_IMPLICIT_CONFIRM if and only if transaction ends */
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if (!OSSL_CMP_CTX_set_option(srv_ctx->ctx,
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OSSL_CMP_OPT_IMPLICIT_CONFIRM,
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ossl_cmp_hdr_has_implicitConfirm(hdr)
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&& srv_ctx->grantImplicitConfirm
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/* do not set if polling starts: */
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&& certOut != NULL))
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goto err;
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}
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msg = ossl_cmp_certRep_new(srv_ctx->ctx, bodytype, certReqId, si,
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certOut, chainOut, caPubs, 0 /* encrypted */,
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srv_ctx->sendUnprotectedErrors);
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/*
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* TODO when implemented in ossl_cmp_certrep_new():
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* in case OSSL_CRMF_POPO_KEYENC, set encrypted
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*/
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if (msg == NULL)
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CMPerr(0, CMP_R_ERROR_CREATING_CERTREP);
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err:
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OSSL_CMP_PKISI_free(si);
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X509_free(certOut);
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sk_X509_pop_free(chainOut, X509_free);
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sk_X509_pop_free(caPubs, X509_free);
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return msg;
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}
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static OSSL_CMP_MSG *process_rr(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_MSG *msg = NULL;
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OSSL_CMP_REVDETAILS *details;
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OSSL_CRMF_CERTID *certId;
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OSSL_CRMF_CERTTEMPLATE *tmpl;
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const X509_NAME *issuer;
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ASN1_INTEGER *serial;
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OSSL_CMP_PKISI *si;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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if (sk_OSSL_CMP_REVDETAILS_num(req->body->value.rr) != 1) {
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/* TODO: handle multiple elements if multiple requests have been sent */
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CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
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return NULL;
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}
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if ((details = sk_OSSL_CMP_REVDETAILS_value(req->body->value.rr,
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OSSL_CMP_REVREQSID)) == NULL) {
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CMPerr(0, CMP_R_ERROR_PROCESSING_MESSAGE);
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return NULL;
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}
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tmpl = details->certDetails;
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issuer = OSSL_CRMF_CERTTEMPLATE_get0_issuer(tmpl);
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serial = OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(tmpl);
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/* here issuer and serial may safely be NULL */
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if ((certId = OSSL_CRMF_CERTID_gen(issuer, serial)) == NULL)
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return NULL;
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if ((si = srv_ctx->process_rr(srv_ctx, req, issuer, serial)) == NULL)
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goto err;
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if ((msg = ossl_cmp_rp_new(srv_ctx->ctx, si, certId,
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srv_ctx->sendUnprotectedErrors)) == NULL)
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CMPerr(0, CMP_R_ERROR_CREATING_RR);
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err:
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OSSL_CRMF_CERTID_free(certId);
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OSSL_CMP_PKISI_free(si);
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return msg;
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}
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/*
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* Processes genm and creates a genp message mirroring the contents of the
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* incoming message
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*/
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static OSSL_CMP_MSG *process_genm(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_GENMSGCONTENT *itavs;
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OSSL_CMP_MSG *msg;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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if (!srv_ctx->process_genm(srv_ctx, req, req->body->value.genm, &itavs))
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return NULL;
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msg = ossl_cmp_genp_new(srv_ctx->ctx, itavs);
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sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
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return msg;
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}
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static OSSL_CMP_MSG *process_error(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_ERRORMSGCONTENT *errorContent;
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OSSL_CMP_MSG *msg;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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errorContent = req->body->value.error;
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srv_ctx->process_error(srv_ctx, req, errorContent->pKIStatusInfo,
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errorContent->errorCode, errorContent->errorDetails);
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if ((msg = ossl_cmp_pkiconf_new(srv_ctx->ctx)) == NULL)
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CMPerr(0, CMP_R_ERROR_CREATING_PKICONF);
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return msg;
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}
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static OSSL_CMP_MSG *process_certConf(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_CTX *ctx;
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OSSL_CMP_CERTCONFIRMCONTENT *ccc;
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int num;
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OSSL_CMP_MSG *msg = NULL;
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OSSL_CMP_CERTSTATUS *status = NULL;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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ctx = srv_ctx->ctx;
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ccc = req->body->value.certConf;
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num = sk_OSSL_CMP_CERTSTATUS_num(ccc);
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if (OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM) == 1) {
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CMPerr(0, CMP_R_ERROR_UNEXPECTED_CERTCONF);
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return NULL;
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}
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if (num == 0) {
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ossl_cmp_err(ctx, "certificate rejected by client");
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} else {
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if (num > 1)
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ossl_cmp_warn(ctx, "All CertStatus but the first will be ignored");
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status = sk_OSSL_CMP_CERTSTATUS_value(ccc, OSSL_CMP_CERTREQID);
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}
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if (status != NULL) {
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int certReqId = ossl_cmp_asn1_get_int(status->certReqId);
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ASN1_OCTET_STRING *certHash = status->certHash;
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OSSL_CMP_PKISI *si = status->statusInfo;
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if (!srv_ctx->process_certConf(srv_ctx, req, certReqId, certHash, si))
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return NULL; /* reason code may be: CMP_R_CERTHASH_UNMATCHED */
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if (si != NULL && ossl_cmp_pkisi_get_status(si)
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!= OSSL_CMP_PKISTATUS_accepted) {
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int pki_status = ossl_cmp_pkisi_get_status(si);
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const char *str = ossl_cmp_PKIStatus_to_string(pki_status);
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ossl_cmp_log2(INFO, ctx, "certificate rejected by client %s %s",
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str == NULL ? "without" : "with",
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str == NULL ? "PKIStatus" : str);
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}
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}
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if ((msg = ossl_cmp_pkiconf_new(ctx)) == NULL)
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CMPerr(0, CMP_R_ERROR_CREATING_PKICONF);
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return msg;
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}
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static OSSL_CMP_MSG *process_pollReq(OSSL_CMP_SRV_CTX *srv_ctx,
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const OSSL_CMP_MSG *req)
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{
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OSSL_CMP_POLLREQCONTENT *prc;
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OSSL_CMP_POLLREQ *pr;
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int certReqId;
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OSSL_CMP_MSG *certReq;
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int64_t check_after = 0;
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OSSL_CMP_MSG *msg = NULL;
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if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
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return NULL;
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prc = req->body->value.pollReq;
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if (sk_OSSL_CMP_POLLREQ_num(prc) != 1) { /* TODO: handle case > 1 */
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CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
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return NULL;
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}
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pr = sk_OSSL_CMP_POLLREQ_value(prc, 0);
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certReqId = ossl_cmp_asn1_get_int(pr->certReqId);
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if (!srv_ctx->process_pollReq(srv_ctx, req, certReqId,
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&certReq, &check_after))
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return NULL;
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if (certReq != NULL) {
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msg = process_cert_request(srv_ctx, certReq);
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OSSL_CMP_MSG_free(certReq);
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} else {
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if ((msg = ossl_cmp_pollRep_new(srv_ctx->ctx, certReqId,
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check_after)) == NULL)
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CMPerr(0, CMP_R_ERROR_CREATING_POLLREP);
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}
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return msg;
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}
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/*
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* Determine whether missing/invalid protection of request message is allowed.
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* Return 1 on acceptance, 0 on rejection, or -1 on (internal) error.
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*/
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static int unprotected_exception(const OSSL_CMP_CTX *ctx,
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const OSSL_CMP_MSG *req,
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int invalid_protection,
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int accept_unprotected_requests)
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{
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if (!ossl_assert(ctx != NULL && req != NULL))
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return -1;
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if (accept_unprotected_requests) {
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ossl_cmp_log1(WARN, ctx, "ignoring %s protection of request message",
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invalid_protection ? "invalid" : "missing");
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return 1;
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}
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if (ossl_cmp_msg_get_bodytype(req) == OSSL_CMP_PKIBODY_ERROR
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&& OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS) == 1) {
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ossl_cmp_warn(ctx, "ignoring missing protection of error message");
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return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* returns created message and NULL on internal error
|
|
*/
|
|
OSSL_CMP_MSG *OSSL_CMP_SRV_process_request(OSSL_CMP_SRV_CTX *srv_ctx,
|
|
const OSSL_CMP_MSG *req)
|
|
{
|
|
OSSL_CMP_CTX *ctx;
|
|
ASN1_OCTET_STRING *backup_secret;
|
|
OSSL_CMP_PKIHEADER *hdr;
|
|
int req_type, rsp_type;
|
|
int res;
|
|
OSSL_CMP_MSG *rsp = NULL;
|
|
|
|
if (srv_ctx == NULL || srv_ctx->ctx == NULL
|
|
|| req == NULL || req->body == NULL
|
|
|| (hdr = OSSL_CMP_MSG_get0_header(req)) == NULL) {
|
|
CMPerr(0, CMP_R_NULL_ARGUMENT);
|
|
return 0;
|
|
}
|
|
ctx = srv_ctx->ctx;
|
|
backup_secret = ctx->secretValue;
|
|
|
|
/*
|
|
* Some things need to be done already before validating the message in
|
|
* order to be able to send an error message as far as needed and possible.
|
|
*/
|
|
if (hdr->sender->type != GEN_DIRNAME) {
|
|
CMPerr(0, CMP_R_SENDER_GENERALNAME_TYPE_NOT_SUPPORTED);
|
|
goto err;
|
|
}
|
|
if (!OSSL_CMP_CTX_set1_recipient(ctx, hdr->sender->d.directoryName))
|
|
goto err;
|
|
|
|
req_type = ossl_cmp_msg_get_bodytype(req);
|
|
switch (req_type) {
|
|
case OSSL_CMP_PKIBODY_IR:
|
|
case OSSL_CMP_PKIBODY_CR:
|
|
case OSSL_CMP_PKIBODY_P10CR:
|
|
case OSSL_CMP_PKIBODY_KUR:
|
|
case OSSL_CMP_PKIBODY_RR:
|
|
case OSSL_CMP_PKIBODY_GENM:
|
|
case OSSL_CMP_PKIBODY_ERROR:
|
|
if (ctx->transactionID != NULL) {
|
|
char *tid;
|
|
|
|
tid = OPENSSL_buf2hexstr(ctx->transactionID->data,
|
|
ctx->transactionID->length);
|
|
if (tid != NULL)
|
|
ossl_cmp_log1(WARN, ctx,
|
|
"Assuming that last transaction with ID=%s got aborted",
|
|
tid);
|
|
OPENSSL_free(tid);
|
|
}
|
|
/* start of a new transaction, reset transactionID and senderNonce */
|
|
if (!OSSL_CMP_CTX_set1_transactionID(ctx, NULL)
|
|
|| !OSSL_CMP_CTX_set1_senderNonce(ctx, NULL))
|
|
goto err;
|
|
break;
|
|
default:
|
|
/* transactionID should be already initialized */
|
|
if (ctx->transactionID == NULL) {
|
|
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
goto err;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
res = ossl_cmp_msg_check_update(ctx, req, unprotected_exception,
|
|
srv_ctx->acceptUnprotected);
|
|
if (ctx->secretValue != NULL && ctx->pkey != NULL
|
|
&& ossl_cmp_hdr_get_protection_nid(hdr) != NID_id_PasswordBasedMAC)
|
|
ctx->secretValue = NULL; /* use MSG_SIG_ALG when protecting rsp */
|
|
if (!res)
|
|
goto err;
|
|
|
|
switch (req_type) {
|
|
case OSSL_CMP_PKIBODY_IR:
|
|
case OSSL_CMP_PKIBODY_CR:
|
|
case OSSL_CMP_PKIBODY_P10CR:
|
|
case OSSL_CMP_PKIBODY_KUR:
|
|
if (srv_ctx->process_cert_request == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_cert_request(srv_ctx, req);
|
|
break;
|
|
case OSSL_CMP_PKIBODY_RR:
|
|
if (srv_ctx->process_rr == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_rr(srv_ctx, req);
|
|
break;
|
|
case OSSL_CMP_PKIBODY_GENM:
|
|
if (srv_ctx->process_genm == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_genm(srv_ctx, req);
|
|
break;
|
|
case OSSL_CMP_PKIBODY_ERROR:
|
|
if (srv_ctx->process_error == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_error(srv_ctx, req);
|
|
break;
|
|
case OSSL_CMP_PKIBODY_CERTCONF:
|
|
if (srv_ctx->process_certConf == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_certConf(srv_ctx, req);
|
|
break;
|
|
case OSSL_CMP_PKIBODY_POLLREQ:
|
|
if (srv_ctx->process_pollReq == NULL)
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
else
|
|
rsp = process_pollReq(srv_ctx, req);
|
|
break;
|
|
default:
|
|
/* TODO possibly support further request message types */
|
|
CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
|
|
break;
|
|
}
|
|
|
|
err:
|
|
if (rsp == NULL) {
|
|
/* on error, try to respond with CMP error message to client */
|
|
const char *data = NULL;
|
|
int flags = 0;
|
|
unsigned long err = ERR_peek_error_data(&data, &flags);
|
|
int fail_info = 1 << OSSL_CMP_PKIFAILUREINFO_badRequest;
|
|
/* TODO fail_info could be more specific */
|
|
OSSL_CMP_PKISI *si = NULL;
|
|
|
|
if (ctx->transactionID == NULL) {
|
|
/* ignore any (extra) error in next two function calls: */
|
|
(void)OSSL_CMP_CTX_set1_transactionID(ctx, hdr->transactionID);
|
|
(void)ossl_cmp_ctx_set1_recipNonce(ctx, hdr->senderNonce);
|
|
}
|
|
|
|
if ((si = OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection,
|
|
fail_info, NULL)) != NULL) {
|
|
if (err != 0 && (flags & ERR_TXT_STRING) != 0)
|
|
data = ERR_reason_error_string(err);
|
|
rsp = ossl_cmp_error_new(srv_ctx->ctx, si,
|
|
err != 0 ? ERR_GET_REASON(err) : -1,
|
|
data, srv_ctx->sendUnprotectedErrors);
|
|
OSSL_CMP_PKISI_free(si);
|
|
}
|
|
}
|
|
ctx->secretValue = backup_secret;
|
|
|
|
/* possibly close the transaction */
|
|
rsp_type =
|
|
rsp != NULL ? ossl_cmp_msg_get_bodytype(rsp) : OSSL_CMP_PKIBODY_ERROR;
|
|
switch (rsp_type) {
|
|
case OSSL_CMP_PKIBODY_IP:
|
|
case OSSL_CMP_PKIBODY_CP:
|
|
case OSSL_CMP_PKIBODY_KUP:
|
|
case OSSL_CMP_PKIBODY_RP:
|
|
if (OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM) == 0)
|
|
break;
|
|
/* fall through */
|
|
|
|
case OSSL_CMP_PKIBODY_PKICONF:
|
|
case OSSL_CMP_PKIBODY_GENP:
|
|
case OSSL_CMP_PKIBODY_ERROR:
|
|
/* TODO possibly support further terminating response message types */
|
|
/* prepare for next transaction, ignoring any errors here: */
|
|
(void)OSSL_CMP_CTX_set1_transactionID(ctx, NULL);
|
|
(void)OSSL_CMP_CTX_set1_senderNonce(ctx, NULL);
|
|
|
|
default: /* not closing transaction in other cases */
|
|
break;
|
|
}
|
|
return rsp;
|
|
}
|
|
|
|
/*
|
|
* Server interface that may substitute OSSL_CMP_MSG_http_perform at the client.
|
|
* The OSSL_CMP_SRV_CTX must be set as client_ctx->transfer_cb_arg.
|
|
* returns received message on success, else NULL and pushes an element on the
|
|
* error stack.
|
|
*/
|
|
OSSL_CMP_MSG * OSSL_CMP_CTX_server_perform(OSSL_CMP_CTX *client_ctx,
|
|
const OSSL_CMP_MSG *req)
|
|
{
|
|
OSSL_CMP_SRV_CTX *srv_ctx = NULL;
|
|
|
|
if (client_ctx == NULL || req == NULL) {
|
|
CMPerr(0, CMP_R_NULL_ARGUMENT);
|
|
return 0;
|
|
}
|
|
|
|
if ((srv_ctx = OSSL_CMP_CTX_get_transfer_cb_arg(client_ctx)) == NULL) {
|
|
CMPerr(0, CMP_R_TRANSFER_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
return OSSL_CMP_SRV_process_request(srv_ctx, req);
|
|
}
|