diff options
Diffstat (limited to 'crypto/cmp/cmp_server.c')
| -rw-r--r-- | crypto/cmp/cmp_server.c | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/crypto/cmp/cmp_server.c b/crypto/cmp/cmp_server.c new file mode 100644 index 000000000000..946c32c45ebf --- /dev/null +++ b/crypto/cmp/cmp_server.c @@ -0,0 +1,644 @@ +/* + * 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 + */ + +/* 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(OSSL_LIB_CTX *libctx, const char *propq) +{ + OSSL_CMP_SRV_CTX *ctx = OPENSSL_zalloc(sizeof(OSSL_CMP_SRV_CTX)); + + if (ctx == NULL) + goto err; + + if ((ctx->ctx = OSSL_CMP_CTX_new(libctx, propq)) == 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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: + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED); + return NULL; + } + + if ((crm = sk_OSSL_CRMF_MSG_value(reqs, OSSL_CMP_CERTREQID)) == NULL) { + ERR_raise(ERR_LIB_CMP, CMP_R_CERTREQMSG_NOT_FOUND); + return NULL; + } + certReqId = OSSL_CRMF_MSG_get_certReqId(crm); + } + + if (!ossl_cmp_verify_popo(srv_ctx->ctx, 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_IMPLICIT_CONFIRM if and only if transaction ends */ + if (!OSSL_CMP_CTX_set_option(srv_ctx->ctx, + OSSL_CMP_OPT_IMPLICIT_CONFIRM, + 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, NULL /* enc */, chainOut, caPubs, + srv_ctx->sendUnprotectedErrors); + if (msg == NULL) + ERR_raise(ERR_LIB_CMP, 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 = NULL; + OSSL_CRMF_CERTTEMPLATE *tmpl; + const X509_NAME *issuer; + const 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) { + ERR_raise(ERR_LIB_CMP, CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED); + return NULL; + } + + if ((details = sk_OSSL_CMP_REVDETAILS_value(req->body->value.rr, + OSSL_CMP_REVREQSID)) == NULL) { + ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_PROCESSING_MESSAGE); + return NULL; + } + + tmpl = details->certDetails; + issuer = OSSL_CRMF_CERTTEMPLATE_get0_issuer(tmpl); + serial = OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(tmpl); + if (issuer != NULL && serial != NULL + && (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) + ERR_raise(ERR_LIB_CMP, 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) + ERR_raise(ERR_LIB_CMP, 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_IMPLICIT_CONFIRM) == 1 + || ctx->status != OSSL_CMP_PKISTATUS_trans) { + ERR_raise(ERR_LIB_CMP, 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) + ERR_raise(ERR_LIB_CMP, 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) { + ERR_raise(ERR_LIB_CMP, 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) + ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREP); + } + return msg; +} + +/* + * Determine whether missing/invalid protection of request message is allowed. + * Return 1 on acceptance, 0 on rejection, or -1 on (internal) error. + */ +static int unprotected_exception(const OSSL_CMP_CTX *ctx, + const OSSL_CMP_MSG *req, + int invalid_protection, + int accept_unprotected_requests) +{ + if (!ossl_assert(ctx != NULL && req != NULL)) + return -1; + + 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; + 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) { + ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); + return 0; + } + ctx = srv_ctx->ctx; + backup_secret = ctx->secretValue; + req_type = OSSL_CMP_MSG_get_bodytype(req); + ossl_cmp_log1(DEBUG, ctx, + "received %s", ossl_cmp_bodytype_to_string(req_type)); + + /* + * 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) { + ERR_raise(ERR_LIB_CMP, CMP_R_SENDER_GENERALNAME_TYPE_NOT_SUPPORTED); + goto err; + } + if (!OSSL_CMP_CTX_set1_recipient(ctx, hdr->sender->d.directoryName)) + 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: + 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 + ERR_raise(ERR_LIB_CMP, 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) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_cert_request(srv_ctx, req); + break; + case OSSL_CMP_PKIBODY_RR: + if (srv_ctx->process_rr == NULL) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_rr(srv_ctx, req); + break; + case OSSL_CMP_PKIBODY_GENM: + if (srv_ctx->process_genm == NULL) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_genm(srv_ctx, req); + break; + case OSSL_CMP_PKIBODY_ERROR: + if (srv_ctx->process_error == NULL) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_error(srv_ctx, req); + break; + case OSSL_CMP_PKIBODY_CERTCONF: + if (srv_ctx->process_certConf == NULL) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_certConf(srv_ctx, req); + break; + case OSSL_CMP_PKIBODY_POLLREQ: + if (srv_ctx->process_pollReq == NULL) + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + else + rsp = process_pollReq(srv_ctx, req); + break; + default: + ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY); + break; + } + + err: + if (rsp == NULL) { + /* on error, try to respond with CMP error message to client */ + const char *data = NULL, *reason = NULL; + int flags = 0; + unsigned long err = ERR_peek_error_data(&data, &flags); + int fail_info = 1 << OSSL_CMP_PKIFAILUREINFO_badRequest; + 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 ((flags & ERR_TXT_STRING) == 0 || *data == '\0') + data = NULL; + reason = ERR_reason_error_string(err); + if ((si = OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection, + fail_info, reason)) != NULL) { + rsp = ossl_cmp_error_new(srv_ctx->ctx, si, err, + data, srv_ctx->sendUnprotectedErrors); + OSSL_CMP_PKISI_free(si); + } + } + OSSL_CMP_CTX_print_errors(ctx); + ctx->secretValue = backup_secret; + + rsp_type = + rsp != NULL ? OSSL_CMP_MSG_get_bodytype(rsp) : OSSL_CMP_PKIBODY_ERROR; + if (rsp != NULL) + ossl_cmp_log1(DEBUG, ctx, + "sending %s", ossl_cmp_bodytype_to_string(rsp_type)); + else + ossl_cmp_log(ERR, ctx, "cannot send proper CMP response"); + + /* determine whether to keep the transaction open or not */ + ctx->status = OSSL_CMP_PKISTATUS_trans; + switch (rsp_type) { + case OSSL_CMP_PKIBODY_IP: + case OSSL_CMP_PKIBODY_CP: + case OSSL_CMP_PKIBODY_KUP: + if (OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM) == 0) + break; + /* fall through */ + + case OSSL_CMP_PKIBODY_RP: + case OSSL_CMP_PKIBODY_PKICONF: + case OSSL_CMP_PKIBODY_GENP: + case OSSL_CMP_PKIBODY_ERROR: + (void)OSSL_CMP_CTX_set1_transactionID(ctx, NULL); + (void)OSSL_CMP_CTX_set1_senderNonce(ctx, NULL); + ctx->status = OSSL_CMP_PKISTATUS_unspecified; /* transaction closed */ + + 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) { + ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT); + return NULL; + } + + if ((srv_ctx = OSSL_CMP_CTX_get_transfer_cb_arg(client_ctx)) == NULL) { + ERR_raise(ERR_LIB_CMP, CMP_R_TRANSFER_ERROR); + return NULL; + } + + return OSSL_CMP_SRV_process_request(srv_ctx, req); +} |