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ac0677bd23
Fixes #21120 Reviewed-by: Todd Short <todd.short@me.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/21176)
105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/*
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* Copyright 2007-2023 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright Nokia 2007-2019
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* Copyright Siemens AG 2015-2019
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <stdio.h>
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#include <openssl/asn1t.h>
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#include <openssl/http.h>
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#include <openssl/cmp.h>
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#include "cmp_local.h"
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/* explicit #includes not strictly needed since implied by the above: */
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#include <ctype.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <openssl/bio.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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static int keep_alive(int keep_alive, int body_type)
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{
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if (keep_alive != 0
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/*
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* Ask for persistent connection only if may need more round trips.
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* Do so even with disableConfirm because polling might be needed.
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*/
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&& body_type != OSSL_CMP_PKIBODY_IR
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&& body_type != OSSL_CMP_PKIBODY_CR
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&& body_type != OSSL_CMP_PKIBODY_P10CR
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&& body_type != OSSL_CMP_PKIBODY_KUR
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&& body_type != OSSL_CMP_PKIBODY_POLLREQ)
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keep_alive = 0;
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return keep_alive;
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}
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/*
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* Send the PKIMessage req and on success return the response, else NULL.
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*/
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OSSL_CMP_MSG *OSSL_CMP_MSG_http_perform(OSSL_CMP_CTX *ctx,
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const OSSL_CMP_MSG *req)
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{
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char server_port[32] = { '\0' };
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STACK_OF(CONF_VALUE) *headers = NULL;
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const char content_type_pkix[] = "application/pkixcmp";
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int tls_used;
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const ASN1_ITEM *it = ASN1_ITEM_rptr(OSSL_CMP_MSG);
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BIO *req_mem, *rsp;
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OSSL_CMP_MSG *res = NULL;
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if (ctx == NULL || req == NULL) {
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ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
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return NULL;
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}
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if (!X509V3_add_value("Pragma", "no-cache", &headers))
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return NULL;
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if ((req_mem = ASN1_item_i2d_mem_bio(it, (const ASN1_VALUE *)req)) == NULL)
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goto err;
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if (ctx->serverPort != 0)
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BIO_snprintf(server_port, sizeof(server_port), "%d", ctx->serverPort);
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tls_used = ctx->tls_used >= 0 ? ctx->tls_used != 0
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: OSSL_CMP_CTX_get_http_cb_arg(ctx) != NULL; /* backward compat */
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if (ctx->http_ctx == NULL)
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ossl_cmp_log3(DEBUG, ctx, "connecting to CMP server %s:%s%s",
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ctx->server, server_port, tls_used ? " using TLS" : "");
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rsp = OSSL_HTTP_transfer(&ctx->http_ctx, ctx->server, server_port,
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ctx->serverPath, tls_used,
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ctx->proxy, ctx->no_proxy,
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NULL /* bio */, NULL /* rbio */,
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ctx->http_cb, OSSL_CMP_CTX_get_http_cb_arg(ctx),
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0 /* buf_size */, headers,
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content_type_pkix, req_mem,
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content_type_pkix, 1 /* expect_asn1 */,
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OSSL_HTTP_DEFAULT_MAX_RESP_LEN,
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ctx->msg_timeout,
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keep_alive(ctx->keep_alive, req->body->type));
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BIO_free(req_mem);
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res = (OSSL_CMP_MSG *)ASN1_item_d2i_bio(it, rsp, NULL);
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BIO_free(rsp);
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if (ctx->http_ctx == NULL)
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ossl_cmp_debug(ctx, "disconnected from CMP server");
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/*
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* Note that on normal successful end of the transaction the connection
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* is not closed at this level, but this will be done by the CMP client
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* application via OSSL_CMP_CTX_free() or OSSL_CMP_CTX_reinit().
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*/
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if (res != NULL)
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ossl_cmp_debug(ctx, "finished reading response from CMP server");
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err:
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sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
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return res;
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}
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