Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/ocsp/ocsp_cl.c

@@ -0,0 +1,396 @@
+/*
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+#include <openssl/ocsp.h>
+#include "ocsp_lcl.h"
+
+/*
+ * Utility functions related to sending OCSP requests and extracting relevant
+ * information from the response.
+ */
+
+/*
+ * Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ pointer:
+ * useful if we want to add extensions.
+ */
+
+OCSP_ONEREQ *OCSP_request_add0_id(OCSP_REQUEST *req, OCSP_CERTID *cid)
+{
+    OCSP_ONEREQ *one = NULL;
+
+    if ((one = OCSP_ONEREQ_new()) == NULL)
+        return NULL;
+    OCSP_CERTID_free(one->reqCert);
+    one->reqCert = cid;
+    if (req && !sk_OCSP_ONEREQ_push(req->tbsRequest.requestList, one)) {
+        one->reqCert = NULL; /* do not free on error */
+        goto err;
+    }
+    return one;
+ err:
+    OCSP_ONEREQ_free(one);
+    return NULL;
+}
+
+/* Set requestorName from an X509_NAME structure */
+
+int OCSP_request_set1_name(OCSP_REQUEST *req, X509_NAME *nm)
+{
+    GENERAL_NAME *gen;
+
+    gen = GENERAL_NAME_new();
+    if (gen == NULL)
+        return 0;
+    if (!X509_NAME_set(&gen->d.directoryName, nm)) {
+        GENERAL_NAME_free(gen);
+        return 0;
+    }
+    gen->type = GEN_DIRNAME;
+    GENERAL_NAME_free(req->tbsRequest.requestorName);
+    req->tbsRequest.requestorName = gen;
+    return 1;
+}
+
+/* Add a certificate to an OCSP request */
+
+int OCSP_request_add1_cert(OCSP_REQUEST *req, X509 *cert)
+{
+    OCSP_SIGNATURE *sig;
+    if (req->optionalSignature == NULL)
+        req->optionalSignature = OCSP_SIGNATURE_new();
+    sig = req->optionalSignature;
+    if (sig == NULL)
+        return 0;
+    if (cert == NULL)
+        return 1;
+    if (sig->certs == NULL
+        && (sig->certs = sk_X509_new_null()) == NULL)
+        return 0;
+
+    if (!sk_X509_push(sig->certs, cert))
+        return 0;
+    X509_up_ref(cert);
+    return 1;
+}
+
+/*
+ * Sign an OCSP request set the requestorName to the subject name of an
+ * optional signers certificate and include one or more optional certificates
+ * in the request. Behaves like PKCS7_sign().
+ */
+
+int OCSP_request_sign(OCSP_REQUEST *req,
+                      X509 *signer,
+                      EVP_PKEY *key,
+                      const EVP_MD *dgst,
+                      STACK_OF(X509) *certs, unsigned long flags)
+{
+    int i;
+    X509 *x;
+
+    if (!OCSP_request_set1_name(req, X509_get_subject_name(signer)))
+        goto err;
+
+    if ((req->optionalSignature = OCSP_SIGNATURE_new()) == NULL)
+        goto err;
+    if (key) {
+        if (!X509_check_private_key(signer, key)) {
+            OCSPerr(OCSP_F_OCSP_REQUEST_SIGN,
+                    OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
+            goto err;
+        }
+        if (!OCSP_REQUEST_sign(req, key, dgst))
+            goto err;
+    }
+
+    if (!(flags & OCSP_NOCERTS)) {
+        if (!OCSP_request_add1_cert(req, signer))
+            goto err;
+        for (i = 0; i < sk_X509_num(certs); i++) {
+            x = sk_X509_value(certs, i);
+            if (!OCSP_request_add1_cert(req, x))
+                goto err;
+        }
+    }
+
+    return 1;
+ err:
+    OCSP_SIGNATURE_free(req->optionalSignature);
+    req->optionalSignature = NULL;
+    return 0;
+}
+
+/* Get response status */
+
+int OCSP_response_status(OCSP_RESPONSE *resp)
+{
+    return ASN1_ENUMERATED_get(resp->responseStatus);
+}
+
+/*
+ * Extract basic response from OCSP_RESPONSE or NULL if no basic response
+ * present.
+ */
+
+OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp)
+{
+    OCSP_RESPBYTES *rb;
+    rb = resp->responseBytes;
+    if (!rb) {
+        OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NO_RESPONSE_DATA);
+        return NULL;
+    }
+    if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
+        OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NOT_BASIC_RESPONSE);
+        return NULL;
+    }
+
+    return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP));
+}
+
+const ASN1_OCTET_STRING *OCSP_resp_get0_signature(const OCSP_BASICRESP *bs)
+{
+    return bs->signature;
+}
+
+const X509_ALGOR *OCSP_resp_get0_tbs_sigalg(const OCSP_BASICRESP *bs)
+{
+    return &bs->signatureAlgorithm;
+}
+
+const OCSP_RESPDATA *OCSP_resp_get0_respdata(const OCSP_BASICRESP *bs)
+{
+    return &bs->tbsResponseData;
+}
+
+/*
+ * Return number of OCSP_SINGLERESP responses present in a basic response.
+ */
+
+int OCSP_resp_count(OCSP_BASICRESP *bs)
+{
+    if (!bs)
+        return -1;
+    return sk_OCSP_SINGLERESP_num(bs->tbsResponseData.responses);
+}
+
+/* Extract an OCSP_SINGLERESP response with a given index */
+
+OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx)
+{
+    if (!bs)
+        return NULL;
+    return sk_OCSP_SINGLERESP_value(bs->tbsResponseData.responses, idx);
+}
+
+const ASN1_GENERALIZEDTIME *OCSP_resp_get0_produced_at(const OCSP_BASICRESP* bs)
+{
+    return bs->tbsResponseData.producedAt;
+}
+
+const STACK_OF(X509) *OCSP_resp_get0_certs(const OCSP_BASICRESP *bs)
+{
+    return bs->certs;
+}
+
+int OCSP_resp_get0_id(const OCSP_BASICRESP *bs,
+                      const ASN1_OCTET_STRING **pid,
+                      const X509_NAME **pname)
+{
+    const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;
+
+    if (rid->type == V_OCSP_RESPID_NAME) {
+        *pname = rid->value.byName;
+        *pid = NULL;
+    } else if (rid->type == V_OCSP_RESPID_KEY) {
+        *pid = rid->value.byKey;
+        *pname = NULL;
+    } else {
+        return 0;
+    }
+    return 1;
+}
+
+int OCSP_resp_get1_id(const OCSP_BASICRESP *bs,
+                      ASN1_OCTET_STRING **pid,
+                      X509_NAME **pname)
+{
+    const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;
+
+    if (rid->type == V_OCSP_RESPID_NAME) {
+        *pname = X509_NAME_dup(rid->value.byName);
+        *pid = NULL;
+    } else if (rid->type == V_OCSP_RESPID_KEY) {
+        *pid = ASN1_OCTET_STRING_dup(rid->value.byKey);
+        *pname = NULL;
+    } else {
+        return 0;
+    }
+    if (*pname == NULL && *pid == NULL)
+        return 0;
+    return 1;
+}
+
+/* Look single response matching a given certificate ID */
+
+int OCSP_resp_find(OCSP_BASICRESP *bs, OCSP_CERTID *id, int last)
+{
+    int i;
+    STACK_OF(OCSP_SINGLERESP) *sresp;
+    OCSP_SINGLERESP *single;
+    if (!bs)
+        return -1;
+    if (last < 0)
+        last = 0;
+    else
+        last++;
+    sresp = bs->tbsResponseData.responses;
+    for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++) {
+        single = sk_OCSP_SINGLERESP_value(sresp, i);
+        if (!OCSP_id_cmp(id, single->certId))
+            return i;
+    }
+    return -1;
+}
+
+/*
+ * Extract status information from an OCSP_SINGLERESP structure. Note: the
+ * revtime and reason values are only set if the certificate status is
+ * revoked. Returns numerical value of status.
+ */
+
+int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason,
+                            ASN1_GENERALIZEDTIME **revtime,
+                            ASN1_GENERALIZEDTIME **thisupd,
+                            ASN1_GENERALIZEDTIME **nextupd)
+{
+    int ret;
+    OCSP_CERTSTATUS *cst;
+    if (!single)
+        return -1;
+    cst = single->certStatus;
+    ret = cst->type;
+    if (ret == V_OCSP_CERTSTATUS_REVOKED) {
+        OCSP_REVOKEDINFO *rev = cst->value.revoked;
+        if (revtime)
+            *revtime = rev->revocationTime;
+        if (reason) {
+            if (rev->revocationReason)
+                *reason = ASN1_ENUMERATED_get(rev->revocationReason);
+            else
+                *reason = -1;
+        }
+    }
+    if (thisupd)
+        *thisupd = single->thisUpdate;
+    if (nextupd)
+        *nextupd = single->nextUpdate;
+    return ret;
+}
+
+/*
+ * This function combines the previous ones: look up a certificate ID and if
+ * found extract status information. Return 0 is successful.
+ */
+
+int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status,
+                          int *reason,
+                          ASN1_GENERALIZEDTIME **revtime,
+                          ASN1_GENERALIZEDTIME **thisupd,
+                          ASN1_GENERALIZEDTIME **nextupd)
+{
+    int i;
+    OCSP_SINGLERESP *single;
+    i = OCSP_resp_find(bs, id, -1);
+    /* Maybe check for multiple responses and give an error? */
+    if (i < 0)
+        return 0;
+    single = OCSP_resp_get0(bs, i);
+    i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd);
+    if (status)
+        *status = i;
+    return 1;
+}
+
+/*
+ * Check validity of thisUpdate and nextUpdate fields. It is possible that
+ * the request will take a few seconds to process and/or the time won't be
+ * totally accurate. Therefore to avoid rejecting otherwise valid time we
+ * allow the times to be within 'nsec' of the current time. Also to avoid
+ * accepting very old responses without a nextUpdate field an optional maxage
+ * parameter specifies the maximum age the thisUpdate field can be.
+ */
+
+int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd,
+                        ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec)
+{
+    int ret = 1;
+    time_t t_now, t_tmp;
+    time(&t_now);
+    /* Check thisUpdate is valid and not more than nsec in the future */
+    if (!ASN1_GENERALIZEDTIME_check(thisupd)) {
+        OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_THISUPDATE_FIELD);
+        ret = 0;
+    } else {
+        t_tmp = t_now + nsec;
+        if (X509_cmp_time(thisupd, &t_tmp) > 0) {
+            OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_NOT_YET_VALID);
+            ret = 0;
+        }
+
+        /*
+         * If maxsec specified check thisUpdate is not more than maxsec in
+         * the past
+         */
+        if (maxsec >= 0) {
+            t_tmp = t_now - maxsec;
+            if (X509_cmp_time(thisupd, &t_tmp) < 0) {
+                OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_TOO_OLD);
+                ret = 0;
+            }
+        }
+    }
+
+    if (!nextupd)
+        return ret;
+
+    /* Check nextUpdate is valid and not more than nsec in the past */
+    if (!ASN1_GENERALIZEDTIME_check(nextupd)) {
+        OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD);
+        ret = 0;
+    } else {
+        t_tmp = t_now - nsec;
+        if (X509_cmp_time(nextupd, &t_tmp) < 0) {
+            OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_EXPIRED);
+            ret = 0;
+        }
+    }
+
+    /* Also don't allow nextUpdate to precede thisUpdate */
+    if (ASN1_STRING_cmp(nextupd, thisupd) < 0) {
+        OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY,
+                OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE);
+        ret = 0;
+    }
+
+    return ret;
+}
+
+const OCSP_CERTID *OCSP_SINGLERESP_get0_id(const OCSP_SINGLERESP *single)
+{
+    return single->certId;
+}