A local copy of OpenSSL from GitHub
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* Copyright 2007-2020 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
#include <string.h>
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/http.h>
#include "internal/sockets.h"
#include "openssl/cmp.h"
#include "cmp_local.h"
/* explicit #includes not strictly needed since implied by the above: */
#include <ctype.h>
#include <fcntl.h>
#include <stdlib.h>
#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/cmp.h>
#include <openssl/err.h>
* Send the PKIMessage req and on success return the response, else NULL.
* Any previous error queue entries will likely be removed by ERR_clear_error().
const OSSL_CMP_MSG *req)
char server_port[32] = { '\0' };
const char *const content_type_pkix = "application/pkixcmp";
int tls_used;
if (ctx == NULL || req == NULL) {
return NULL;
if (!X509V3_add_value("Pragma", "no-cache", &headers))
return NULL;
if (ctx->serverPort != 0)
BIO_snprintf(server_port, sizeof(server_port), "%d", ctx->serverPort);
tls_used = OSSL_CMP_CTX_get_http_cb_arg(ctx) != NULL;
ossl_cmp_log2(DEBUG, ctx, "connecting to CMP server %s%s",
ctx->server, tls_used ? " using TLS" : "");
res = (OSSL_CMP_MSG *)
OSSL_HTTP_post_asn1(ctx->server, server_port, ctx->serverPath,
tls_used, ctx->proxy, ctx->no_proxy, NULL, NULL,
ctx->http_cb, OSSL_CMP_CTX_get_http_cb_arg(ctx),
headers, content_type_pkix, (const ASN1_VALUE *)req,
0, 0, ctx->msg_timeout, content_type_pkix,
ossl_cmp_debug(ctx, "disconnected from CMP server");
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
return res;