diff options
Diffstat (limited to 'crypto/cmp/cmp_client.c')
-rw-r--r-- | crypto/cmp/cmp_client.c | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/crypto/cmp/cmp_client.c b/crypto/cmp/cmp_client.c index 22ae7d07e82d..dc41f4c3b7d9 100644 --- a/crypto/cmp/cmp_client.c +++ b/crypto/cmp/cmp_client.c @@ -64,10 +64,10 @@ static int unprotected_exception(const OSSL_CMP_CTX *ctx, break; default: if (IS_CREP(rcvd_type)) { + int any_rid = OSSL_CMP_CERTREQID_NONE; OSSL_CMP_CERTREPMESSAGE *crepmsg = rep->body->value.ip; OSSL_CMP_CERTRESPONSE *crep = - ossl_cmp_certrepmessage_get0_certresponse(crepmsg, - -1 /* any rid */); + ossl_cmp_certrepmessage_get0_certresponse(crepmsg, any_rid); if (sk_OSSL_CMP_CERTRESPONSE_num(crepmsg->response) > 1) return -1; @@ -357,15 +357,16 @@ static int poll_for_response(OSSL_CMP_CTX *ctx, int sleep, int rid, * Send certConf for IR, CR or KUR sequences and check response, * not modifying ctx->status during the certConf exchange */ -int ossl_cmp_exchange_certConf(OSSL_CMP_CTX *ctx, int fail_info, - const char *txt) +int ossl_cmp_exchange_certConf(OSSL_CMP_CTX *ctx, int certReqId, + int fail_info, const char *txt) { OSSL_CMP_MSG *certConf; OSSL_CMP_MSG *PKIconf = NULL; int res = 0; /* OSSL_CMP_certConf_new() also checks if all necessary options are set */ - if ((certConf = ossl_cmp_certConf_new(ctx, fail_info, txt)) == NULL) + certConf = ossl_cmp_certConf_new(ctx, certReqId, fail_info, txt); + if (certConf == NULL) goto err; res = send_receive_check(ctx, certConf, &PKIconf, OSSL_CMP_PKIBODY_PKICONF); @@ -411,12 +412,10 @@ static X509 *get1_cert_status(OSSL_CMP_CTX *ctx, int bodytype, { char buf[OSSL_CMP_PKISI_BUFLEN]; X509 *crt = NULL; - EVP_PKEY *privkey; if (!ossl_assert(ctx != NULL && crep != NULL)) return NULL; - privkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1); switch (ossl_cmp_pkisi_get_status(crep->status)) { case OSSL_CMP_PKISTATUS_waiting: ossl_cmp_err(ctx, @@ -454,7 +453,7 @@ static X509 *get1_cert_status(OSSL_CMP_CTX *ctx, int bodytype, ERR_raise(ERR_LIB_CMP, CMP_R_UNKNOWN_PKISTATUS); goto err; } - crt = ossl_cmp_certresponse_get1_cert(crep, ctx, privkey); + crt = ossl_cmp_certresponse_get1_cert(ctx, crep); if (crt == NULL) /* according to PKIStatus, we can expect a cert */ ERR_raise(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_FOUND); @@ -493,18 +492,46 @@ int OSSL_CMP_certConf_cb(OSSL_CMP_CTX *ctx, X509 *cert, int fail_info, if (fail_info != 0) /* accept any error flagged by CMP core library */ return fail_info; - ossl_cmp_debug(ctx, "trying to build chain for newly enrolled cert"); - chain = X509_build_chain(cert, ctx->untrusted, out_trusted /* maybe NULL */, - 0, ctx->libctx, ctx->propq); + if (out_trusted == NULL) { + ossl_cmp_debug(ctx, "trying to build chain for newly enrolled cert"); + chain = X509_build_chain(cert, ctx->untrusted, out_trusted, + 0, ctx->libctx, ctx->propq); + } else { + X509_STORE_CTX *csc = X509_STORE_CTX_new_ex(ctx->libctx, ctx->propq); + + ossl_cmp_debug(ctx, "validating newly enrolled cert"); + if (csc == NULL) + goto err; + if (!X509_STORE_CTX_init(csc, out_trusted, cert, ctx->untrusted)) + goto err; + /* disable any cert status/revocation checking etc. */ + X509_VERIFY_PARAM_clear_flags(X509_STORE_CTX_get0_param(csc), + ~(X509_V_FLAG_USE_CHECK_TIME + | X509_V_FLAG_NO_CHECK_TIME + | X509_V_FLAG_PARTIAL_CHAIN + | X509_V_FLAG_POLICY_CHECK)); + if (X509_verify_cert(csc) <= 0) + goto err; + + if (!ossl_x509_add_certs_new(&chain, X509_STORE_CTX_get0_chain(csc), + X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP + | X509_ADD_FLAG_NO_SS)) { + sk_X509_free(chain); + chain = NULL; + } + err: + X509_STORE_CTX_free(csc); + } + if (sk_X509_num(chain) > 0) X509_free(sk_X509_shift(chain)); /* remove leaf (EE) cert */ if (out_trusted != NULL) { if (chain == NULL) { - ossl_cmp_err(ctx, "failed building chain for newly enrolled cert"); + ossl_cmp_err(ctx, "failed to validate newly enrolled cert"); fail_info = 1 << OSSL_CMP_PKIFAILUREINFO_incorrectData; } else { ossl_cmp_debug(ctx, - "succeeded building proper chain for newly enrolled cert"); + "success validating newly enrolled cert"); } } else if (chain == NULL) { ossl_cmp_warn(ctx, "could not build approximate chain for newly enrolled cert, resorting to received extraCerts"); @@ -521,6 +548,7 @@ int OSSL_CMP_certConf_cb(OSSL_CMP_CTX *ctx, X509 *cert, int fail_info, /*- * Perform the generic handling of certificate responses for IR/CR/KUR/P10CR. + * |rid| must be OSSL_CMP_CERTREQID_NONE if not available, namely for p10cr * Returns -1 on receiving pollRep if sleep == 0, setting the checkAfter value. * Returns 1 on success and provides the received PKIMESSAGE in *resp. * Returns 0 on error (which includes the case that timeout has been reached). @@ -530,7 +558,7 @@ static int cert_response(OSSL_CMP_CTX *ctx, int sleep, int rid, OSSL_CMP_MSG **resp, int *checkAfter, int req_type, int expected_type) { - EVP_PKEY *rkey = OSSL_CMP_CTX_get0_newPkey(ctx /* may be NULL */, 0); + EVP_PKEY *rkey = ossl_cmp_ctx_get0_newPubkey(ctx); int fail_info = 0; /* no failure */ const char *txt = NULL; OSSL_CMP_CERTREPMESSAGE *crepmsg; @@ -554,10 +582,9 @@ static int cert_response(OSSL_CMP_CTX *ctx, int sleep, int rid, return 0; if (!save_statusInfo(ctx, crep->status)) return 0; - if (rid == -1) { - /* for OSSL_CMP_PKIBODY_P10CR learn CertReqId from response */ + if (rid == OSSL_CMP_CERTREQID_NONE) { /* used for OSSL_CMP_PKIBODY_P10CR */ rid = ossl_cmp_asn1_get_int(crep->certReqId); - if (rid == -1) { + if (rid != OSSL_CMP_CERTREQID_NONE) { ERR_raise(ERR_LIB_CMP, CMP_R_BAD_REQUEST_ID); return 0; } @@ -621,7 +648,7 @@ static int cert_response(OSSL_CMP_CTX *ctx, int sleep, int rid, "rejecting newly enrolled cert with subject: %s", subj); if (!ctx->disableConfirm && !ossl_cmp_hdr_has_implicitConfirm((*resp)->header)) { - if (!ossl_cmp_exchange_certConf(ctx, fail_info, txt)) + if (!ossl_cmp_exchange_certConf(ctx, rid, fail_info, txt)) ret = 0; } @@ -630,6 +657,7 @@ static int cert_response(OSSL_CMP_CTX *ctx, int sleep, int rid, ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_ACCEPTED, "rejecting newly enrolled cert with subject: %s; %s", subj, txt); + ctx->status = OSSL_CMP_PKISTATUS_rejection; ret = 0; } OPENSSL_free(subj); @@ -662,7 +690,7 @@ int OSSL_CMP_try_certreq(OSSL_CMP_CTX *ctx, int req_type, { OSSL_CMP_MSG *rep = NULL; int is_p10 = req_type == OSSL_CMP_PKIBODY_P10CR; - int rid = is_p10 ? -1 : OSSL_CMP_CERTREQID; + int rid = is_p10 ? OSSL_CMP_CERTREQID_NONE : OSSL_CMP_CERTREQID; int rep_type = is_p10 ? OSSL_CMP_PKIBODY_CP : req_type + 1; int res = 0; @@ -704,7 +732,7 @@ X509 *OSSL_CMP_exec_certreq(OSSL_CMP_CTX *ctx, int req_type, OSSL_CMP_MSG *rep = NULL; int is_p10 = req_type == OSSL_CMP_PKIBODY_P10CR; - int rid = is_p10 ? -1 : OSSL_CMP_CERTREQID; + int rid = is_p10 ? OSSL_CMP_CERTREQID_NONE : OSSL_CMP_CERTREQID; int rep_type = is_p10 ? OSSL_CMP_PKIBODY_CP : req_type + 1; X509 *result = NULL; |