+/*
+ * Copyright 2007-2019 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
+ */
+
+/* general CMP server functions */
+
+#include <openssl/asn1t.h>
+
+#include "cmp_local.h"
+
+/* explicit #includes not strictly needed since implied by the above: */
+#include <openssl/cmp.h>
+#include <openssl/err.h>
+
+/* the context for the generic CMP server */
+struct ossl_cmp_srv_ctx_st
+{
+ OSSL_CMP_CTX *ctx; /* Client CMP context, partly reused for srv */
+ void *custom_ctx; /* pointer to specific server context */
+
+ OSSL_CMP_SRV_cert_request_cb_t process_cert_request;
+ OSSL_CMP_SRV_rr_cb_t process_rr;
+ OSSL_CMP_SRV_genm_cb_t process_genm;
+ OSSL_CMP_SRV_error_cb_t process_error;
+ OSSL_CMP_SRV_certConf_cb_t process_certConf;
+ OSSL_CMP_SRV_pollReq_cb_t process_pollReq;
+
+ int sendUnprotectedErrors; /* Send error and rejection msgs unprotected */
+ int acceptUnprotected; /* Accept requests with no/invalid prot. */
+ int acceptRAVerified; /* Accept ir/cr/kur with POPO RAVerified */
+ int grantImplicitConfirm; /* Grant implicit confirmation if requested */
+
+}; /* OSSL_CMP_SRV_CTX */
+
+void OSSL_CMP_SRV_CTX_free(OSSL_CMP_SRV_CTX *srv_ctx)
+{
+ if (srv_ctx == NULL)
+ return;
+
+ OSSL_CMP_CTX_free(srv_ctx->ctx);
+ OPENSSL_free(srv_ctx);
+}
+
+OSSL_CMP_SRV_CTX *OSSL_CMP_SRV_CTX_new(void)
+{
+ OSSL_CMP_SRV_CTX *ctx = OPENSSL_zalloc(sizeof(OSSL_CMP_SRV_CTX));
+
+ if (ctx == NULL)
+ goto err;
+
+ if ((ctx->ctx = OSSL_CMP_CTX_new()) == NULL)
+ goto err;
+
+ /* all other elements are initialized to 0 or NULL, respectively */
+ return ctx;
+ err:
+ OSSL_CMP_SRV_CTX_free(ctx);
+ return NULL;
+}
+
+int OSSL_CMP_SRV_CTX_init(OSSL_CMP_SRV_CTX *srv_ctx, void *custom_ctx,
+ OSSL_CMP_SRV_cert_request_cb_t process_cert_request,
+ OSSL_CMP_SRV_rr_cb_t process_rr,
+ OSSL_CMP_SRV_genm_cb_t process_genm,
+ OSSL_CMP_SRV_error_cb_t process_error,
+ OSSL_CMP_SRV_certConf_cb_t process_certConf,
+ OSSL_CMP_SRV_pollReq_cb_t process_pollReq)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return 0;
+ }
+ srv_ctx->custom_ctx = custom_ctx;
+ srv_ctx->process_cert_request = process_cert_request;
+ srv_ctx->process_rr = process_rr;
+ srv_ctx->process_genm = process_genm;
+ srv_ctx->process_error = process_error;
+ srv_ctx->process_certConf = process_certConf;
+ srv_ctx->process_pollReq = process_pollReq;
+ return 1;
+}
+
+OSSL_CMP_CTX *OSSL_CMP_SRV_CTX_get0_cmp_ctx(const OSSL_CMP_SRV_CTX *srv_ctx)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return NULL;
+ }
+ return srv_ctx->ctx;
+}
+
+void *OSSL_CMP_SRV_CTX_get0_custom_ctx(const OSSL_CMP_SRV_CTX *srv_ctx)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return NULL;
+ }
+ return srv_ctx->custom_ctx;
+}
+
+int OSSL_CMP_SRV_CTX_set_send_unprotected_errors(OSSL_CMP_SRV_CTX *srv_ctx,
+ int val)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return 0;
+ }
+ srv_ctx->sendUnprotectedErrors = val != 0;
+ return 1;
+}
+
+int OSSL_CMP_SRV_CTX_set_accept_unprotected(OSSL_CMP_SRV_CTX *srv_ctx, int val)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return 0;
+ }
+ srv_ctx->acceptUnprotected = val != 0;
+ return 1;
+}
+
+int OSSL_CMP_SRV_CTX_set_accept_raverified(OSSL_CMP_SRV_CTX *srv_ctx, int val)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return 0;
+ }
+ srv_ctx->acceptRAVerified = val != 0;
+ return 1;
+}
+
+int OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(OSSL_CMP_SRV_CTX *srv_ctx,
+ int val)
+{
+ if (srv_ctx == NULL) {
+ CMPerr(0, CMP_R_NULL_ARGUMENT);
+ return 0;
+ }
+ srv_ctx->grantImplicitConfirm = val != 0;
+ return 1;
+}
+
+/*
+ * Processes an ir/cr/p10cr/kur and returns a certification response.
+ * Only handles the first certification request contained in req
+ * returns an ip/cp/kup on success and NULL on error
+ */
+static OSSL_CMP_MSG *process_cert_request(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_MSG *msg = NULL;
+ OSSL_CMP_PKISI *si = NULL;
+ X509 *certOut = NULL;
+ STACK_OF(X509) *chainOut = NULL, *caPubs = NULL;
+ const OSSL_CRMF_MSG *crm = NULL;
+ const X509_REQ *p10cr = NULL;
+ int bodytype;
+ int certReqId;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+
+ switch (ossl_cmp_msg_get_bodytype(req)) {
+ case OSSL_CMP_PKIBODY_P10CR:
+ case OSSL_CMP_PKIBODY_CR:
+ bodytype = OSSL_CMP_PKIBODY_CP;
+ break;
+ case OSSL_CMP_PKIBODY_IR:
+ bodytype = OSSL_CMP_PKIBODY_IP;
+ break;
+ case OSSL_CMP_PKIBODY_KUR:
+ bodytype = OSSL_CMP_PKIBODY_KUP;
+ break;
+ default:
+ CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
+ return NULL;
+ }
+
+ if (ossl_cmp_msg_get_bodytype(req) == OSSL_CMP_PKIBODY_P10CR) {
+ certReqId = OSSL_CMP_CERTREQID;
+ p10cr = req->body->value.p10cr;
+ } else {
+ OSSL_CRMF_MSGS *reqs = req->body->value.ir; /* same for cr and kur */
+
+ if (sk_OSSL_CRMF_MSG_num(reqs) != 1) { /* TODO: handle case > 1 */
+ CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
+ return NULL;
+ }
+
+ if ((crm = sk_OSSL_CRMF_MSG_value(reqs, OSSL_CMP_CERTREQID)) == NULL) {
+ CMPerr(0, CMP_R_CERTREQMSG_NOT_FOUND);
+ return NULL;
+ }
+ certReqId = OSSL_CRMF_MSG_get_certReqId(crm);
+ }
+
+ if (!ossl_cmp_verify_popo(req, srv_ctx->acceptRAVerified)) {
+ /* Proof of possession could not be verified */
+ si = OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection,
+ 1 << OSSL_CMP_PKIFAILUREINFO_badPOP,
+ ERR_reason_error_string(ERR_peek_error()));
+ if (si == NULL)
+ return NULL;
+ } else {
+ OSSL_CMP_PKIHEADER *hdr = OSSL_CMP_MSG_get0_header(req);
+
+ si = srv_ctx->process_cert_request(srv_ctx, req, certReqId, crm, p10cr,
+ &certOut, &chainOut, &caPubs);
+ if (si == NULL)
+ goto err;
+ /* set OSSL_CMP_OPT_IMPLICITCONFIRM if and only if transaction ends */
+ if (!OSSL_CMP_CTX_set_option(srv_ctx->ctx, OSSL_CMP_OPT_IMPLICITCONFIRM,
+ ossl_cmp_hdr_has_implicitConfirm(hdr)
+ && srv_ctx->grantImplicitConfirm
+ /* do not set if polling starts: */
+ && certOut != NULL))
+ goto err;
+ }
+
+ msg = ossl_cmp_certRep_new(srv_ctx->ctx, bodytype, certReqId, si,
+ certOut, chainOut, caPubs, 0 /* encrypted */,
+ srv_ctx->sendUnprotectedErrors);
+ /*
+ * TODO when implemented in ossl_cmp_certrep_new():
+ * in case OSSL_CRMF_POPO_KEYENC, set encrypted
+ */
+ if (msg == NULL)
+ CMPerr(0, CMP_R_ERROR_CREATING_CERTREP);
+
+ err:
+ OSSL_CMP_PKISI_free(si);
+ X509_free(certOut);
+ sk_X509_pop_free(chainOut, X509_free);
+ sk_X509_pop_free(caPubs, X509_free);
+ return msg;
+}
+
+static OSSL_CMP_MSG *process_rr(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_MSG *msg = NULL;
+ OSSL_CMP_REVDETAILS *details;
+ OSSL_CRMF_CERTID *certId;
+ OSSL_CRMF_CERTTEMPLATE *tmpl;
+ X509_NAME *issuer;
+ ASN1_INTEGER *serial;
+ OSSL_CMP_PKISI *si;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+
+ if (sk_OSSL_CMP_REVDETAILS_num(req->body->value.rr) != 1) {
+ /* TODO: handle multiple elements if multiple requests have been sent */
+ CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
+ return NULL;
+ }
+
+ if ((details = sk_OSSL_CMP_REVDETAILS_value(req->body->value.rr,
+ OSSL_CMP_REVREQSID)) == NULL) {
+ CMPerr(0, CMP_R_ERROR_PROCESSING_MSG);
+ return NULL;
+ }
+
+ tmpl = details->certDetails;
+ issuer = OSSL_CRMF_CERTTEMPLATE_get0_issuer(tmpl);
+ serial = OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(tmpl);
+ /* here issuer and serial may safely be NULL */
+ if ((certId = OSSL_CRMF_CERTID_gen(issuer, serial)) == NULL)
+ return NULL;
+ if ((si = srv_ctx->process_rr(srv_ctx, req, issuer, serial)) == NULL)
+ goto err;
+
+ if ((msg = ossl_cmp_rp_new(srv_ctx->ctx, si, certId,
+ srv_ctx->sendUnprotectedErrors)) == NULL)
+ CMPerr(0, CMP_R_ERROR_CREATING_RR);
+
+ err:
+ OSSL_CRMF_CERTID_free(certId);
+ OSSL_CMP_PKISI_free(si);
+ return msg;
+}
+
+/*
+ * Processes genm and creates a genp message mirroring the contents of the
+ * incoming message
+ */
+static OSSL_CMP_MSG *process_genm(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_GENMSGCONTENT *itavs;
+ OSSL_CMP_MSG *msg;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+
+ if (!srv_ctx->process_genm(srv_ctx, req, req->body->value.genm, &itavs))
+ return NULL;
+
+ msg = ossl_cmp_genp_new(srv_ctx->ctx, itavs);
+ sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
+ return msg;
+}
+
+static OSSL_CMP_MSG *process_error(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_ERRORMSGCONTENT *errorContent;
+ OSSL_CMP_MSG *msg;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+ errorContent = req->body->value.error;
+ srv_ctx->process_error(srv_ctx, req, errorContent->pKIStatusInfo,
+ errorContent->errorCode, errorContent->errorDetails);
+
+ if ((msg = ossl_cmp_pkiconf_new(srv_ctx->ctx)) == NULL)
+ CMPerr(0, CMP_R_ERROR_CREATING_PKICONF);
+ return msg;
+}
+
+static OSSL_CMP_MSG *process_certConf(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_CTX *ctx;
+ OSSL_CMP_CERTCONFIRMCONTENT *ccc;
+ int num;
+ OSSL_CMP_MSG *msg = NULL;
+ OSSL_CMP_CERTSTATUS *status = NULL;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+
+ ctx = srv_ctx->ctx;
+ ccc = req->body->value.certConf;
+ num = sk_OSSL_CMP_CERTSTATUS_num(ccc);
+
+ if (OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_IMPLICITCONFIRM) == 1) {
+ CMPerr(0, CMP_R_ERROR_UNEXPECTED_CERTCONF);
+ return NULL;
+ }
+
+ if (num == 0) {
+ ossl_cmp_err(ctx, "certificate rejected by client");
+ } else {
+ if (num > 1)
+ ossl_cmp_warn(ctx, "All CertStatus but the first will be ignored");
+ status = sk_OSSL_CMP_CERTSTATUS_value(ccc, OSSL_CMP_CERTREQID);
+ }
+
+ if (status != NULL) {
+ int certReqId = ossl_cmp_asn1_get_int(status->certReqId);
+ ASN1_OCTET_STRING *certHash = status->certHash;
+ OSSL_CMP_PKISI *si = status->statusInfo;
+
+ if (!srv_ctx->process_certConf(srv_ctx, req, certReqId, certHash, si))
+ return NULL; /* reason code may be: CMP_R_CERTHASH_UNMATCHED */
+
+ if (si != NULL && ossl_cmp_pkisi_get_status(si)
+ != OSSL_CMP_PKISTATUS_accepted) {
+ int pki_status = ossl_cmp_pkisi_get_status(si);
+ const char *str = ossl_cmp_PKIStatus_to_string(pki_status);
+
+ ossl_cmp_log2(INFO, ctx, "certificate rejected by client %s %s",
+ str == NULL ? "without" : "with",
+ str == NULL ? "PKIStatus" : str);
+ }
+ }
+
+ if ((msg = ossl_cmp_pkiconf_new(ctx)) == NULL)
+ CMPerr(0, CMP_R_ERROR_CREATING_PKICONF);
+ return msg;
+}
+
+static OSSL_CMP_MSG *process_pollReq(OSSL_CMP_SRV_CTX *srv_ctx,
+ const OSSL_CMP_MSG *req)
+{
+ OSSL_CMP_POLLREQCONTENT *prc;
+ OSSL_CMP_POLLREQ *pr;
+ int certReqId;
+ OSSL_CMP_MSG *certReq;
+ int64_t check_after = 0;
+ OSSL_CMP_MSG *msg = NULL;
+
+ if (!ossl_assert(srv_ctx != NULL && srv_ctx->ctx != NULL && req != NULL))
+ return NULL;
+
+ prc = req->body->value.pollReq;
+ if (sk_OSSL_CMP_POLLREQ_num(prc) != 1) { /* TODO: handle case > 1 */
+ CMPerr(0, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED);
+ return NULL;
+ }
+
+ pr = sk_OSSL_CMP_POLLREQ_value(prc, 0);
+ certReqId = ossl_cmp_asn1_get_int(pr->certReqId);
+ if (!srv_ctx->process_pollReq(srv_ctx, req, certReqId,
+ &certReq, &check_after))
+ return NULL;
+
+ if (certReq != NULL) {
+ msg = process_cert_request(srv_ctx, certReq);
+ OSSL_CMP_MSG_free(certReq);
+ } else {
+ if ((msg = ossl_cmp_pollRep_new(srv_ctx->ctx, certReqId,
+ check_after)) == NULL)
+ CMPerr(0, CMP_R_ERROR_CREATING_POLLREP);
+ }
+ return msg;
+}
+
+/*
+ * Determines whether missing protection is allowed
+ */
+static int unprotected_exception(const OSSL_CMP_CTX *ctx,
+ const OSSL_CMP_MSG *req,
+ int invalid_protection,
+ int accept_unprotected_requests)
+{
+ if (accept_unprotected_requests) {
+ ossl_cmp_log1(WARN, ctx, "ignoring %s protection of request message",
+ invalid_protection ? "invalid" : "missing");
+ return 1;
+ }
+ if (ossl_cmp_msg_get_bodytype(req) == OSSL_CMP_PKIBODY_ERROR
+ && OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS) == 1) {
+ ossl_cmp_warn(ctx, "ignoring missing protection of error message");
+ 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;
+ OSSL_CMP_PKIHEADER *hdr;
+ int req_type, rsp_type;
+ 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;
+
+ 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);
+ ossl_cmp_log1(WARN, ctx,
+ "Assuming that last transaction with ID=%s got aborted",
+ tid);
+ OPENSSL_free(tid);
+ }
+ /* start of a new transaction, set transactionID and senderNonce */
+ if (!OSSL_CMP_CTX_set1_transactionID(ctx, hdr->transactionID)
+ || !ossl_cmp_ctx_set1_recipNonce(ctx, hdr->senderNonce))
+ goto err;
+ break;
+ default:
+ /* transactionID should be already initialized */
+ if (ctx->transactionID == NULL) {
+ CMPerr(0, CMP_R_UNEXPECTED_PKIBODY);
+ /* 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);
+ goto err;
+ }
+ }
+
+ if (ossl_cmp_msg_check_received(ctx, req, unprotected_exception,
+ srv_ctx->acceptUnprotected) < 0)
+ 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);
+ }
+
+ 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 ((si = OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection,
+ fail_info, NULL)) == NULL)
+ return 0;
+ 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);
+ }
+
+ /* 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_IMPLICITCONFIRM) == 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 */
+ (void)OSSL_CMP_CTX_set1_transactionID(ctx, NULL); /* ignore any error */
+
+ 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_ERROR_TRANSFERRING_OUT);
+ return 0;
+ }
+
+ return OSSL_CMP_SRV_process_request(srv_ctx, req);
+}
projects / openssl.git / commitdiff