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OSSL_CMP_MSG_HTTP_PERFORM(3)	    OpenSSL	  OSSL_CMP_MSG_HTTP_PERFORM(3)

NAME
       OSSL_CMP_MSG_http_perform - client-side HTTP(S) transfer	of a CMP
       request-response	pair

SYNOPSIS
	#include <openssl/cmp.h>

	OSSL_CMP_MSG *OSSL_CMP_MSG_http_perform(OSSL_CMP_CTX *ctx,
						const OSSL_CMP_MSG *req);

DESCRIPTION
       OSSL_CMP_MSG_http_perform() sends the given PKIMessage req to the CMP
       server specified	in ctx via OSSL_CMP_CTX_set1_server(3) and optionally
       OSSL_CMP_CTX_set_serverPort(3), using any "CMP alias" optionally
       specified via OSSL_CMP_CTX_set1_serverPath(3).  The default port	is 80
       for HTTP	and 443	for HTTPS; the default path is "/".  On	success	the
       function	returns	the server's response PKIMessage.

       The function makes use of any HTTP callback function set	via
       OSSL_CMP_CTX_set_http_cb(3).  It	respects any timeout value set via
       OSSL_CMP_CTX_set_option(3) with an OSSL_CMP_OPT_MSG_TIMEOUT argument.
       It also respects	any HTTP(S) proxy options set via
       OSSL_CMP_CTX_set1_proxy(3) and OSSL_CMP_CTX_set1_no_proxy(3) and	the
       respective environment variables.  Proxying plain HTTP is supported
       directly, while using a proxy for HTTPS connections requires a suitable
       callback	function such as OSSL_HTTP_proxy_connect(3).

NOTES
       CMP is defined in RFC 4210.  HTTP transfer for CMP is defined in	RFC
       6712.

RETURN VALUES
       OSSL_CMP_MSG_http_perform() returns a CMP message on success, else
       NULL.

SEE ALSO
       OSSL_CMP_CTX_new(3), OSSL_HTTP_proxy_connect(3).

HISTORY
       The OpenSSL CMP support was added in OpenSSL 3.0.

COPYRIGHT
       Copyright 2007-2020 The OpenSSL Project Authors.	All Rights Reserved.

       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>.

3.0.0-alpha6			  2020-08-06	  OSSL_CMP_MSG_HTTP_PERFORM(3)

NAME | SYNOPSIS | DESCRIPTION | NOTES | RETURN VALUES | SEE ALSO | HISTORY | COPYRIGHT

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