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This is a minimal version of pull request #15053 including all the proposed improvements to the HTTP client API and its documentation but only those code adaptations strictly needed for it. The proposed new features include * support for persistent connections (keep-alive), * generalization to arbitrary request and response types, and * support for streaming BIOs for request and response data. The related API changes include: * Split the monolithic OSSL_HTTP_transfer() into OSSL_HTTP_open(), OSSL_HTTP_set_request(), a lean OSSL_HTTP_transfer(), and OSSL_HTTP_close(). * Split the timeout functionality accordingly and improve default behavior. * Extract part of OSSL_HTTP_REQ_CTX_new() to OSSL_HTTP_REQ_CTX_set_expected(). Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15147)
46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
=pod
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=head1 NAME
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ASN1_item_d2i_bio,
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ASN1_item_i2d_mem_bio
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- decode and encode DER-encoded ASN.1 structures
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=head1 SYNOPSIS
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#include <openssl/asn1.h>
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void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *pval);
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BIO *ASN1_item_i2d_mem_bio(const ASN1_ITEM *it, const ASN1_VALUE *val);
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=head1 DESCRIPTION
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ASN1_item_d2i_bio() decodes the contents of its input BIO I<in>,
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which must be a DER-encoded ASN.1 structure, using the ASN.1 template I<it>
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and places the result in I<*pval> unless I<pval> is NULL.
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If I<in> is NULL it returns NULL, else a pointer to the parsed structure.
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ASN1_item_i2d_mem_bio() encodes the given ASN.1 value I<val>
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using the ASN.1 template I<it> and returns the result in a memory BIO.
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=head1 RETURN VALUES
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ASN1_item_d2i_bio() returns a pointer to an B<ASN1_VALUE> or NULL.
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ASN1_item_i2d_mem_bio() returns a pointer to a memory BIO or NULL on error.
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=head1 HISTORY
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ASN1_item_i2d_mem_bio() was added in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
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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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L<https://www.openssl.org/source/license.html>.
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=cut
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