9b86974e0c
L<foo|foo> is sub-optimal If the xref is the same as the title, which is what we do, then you only need L<foo>. This fixes all 1457 occurrences in 349 files. Approximately. (And pod used to need both.) Reviewed-by: Richard Levitte <levitte@openssl.org>
56 lines
1.3 KiB
Plaintext
56 lines
1.3 KiB
Plaintext
=pod
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=head1 NAME
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SSL_get_peer_certificate - get the X509 certificate of the peer
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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X509 *SSL_get_peer_certificate(const SSL *ssl);
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=head1 DESCRIPTION
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SSL_get_peer_certificate() returns a pointer to the X509 certificate the
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peer presented. If the peer did not present a certificate, NULL is returned.
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=head1 NOTES
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Due to the protocol definition, a TLS/SSL server will always send a
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certificate, if present. A client will only send a certificate when
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explicitly requested to do so by the server (see
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L<SSL_CTX_set_verify(3)>). If an anonymous cipher
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is used, no certificates are sent.
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That a certificate is returned does not indicate information about the
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verification state, use L<SSL_get_verify_result(3)>
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to check the verification state.
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The reference count of the X509 object is incremented by one, so that it
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will not be destroyed when the session containing the peer certificate is
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freed. The X509 object must be explicitly freed using X509_free().
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=head1 RETURN VALUES
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The following return values can occur:
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=over 4
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=item NULL
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No certificate was presented by the peer or no connection was established.
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=item Pointer to an X509 certificate
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The return value points to the certificate presented by the peer.
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=back
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=head1 SEE ALSO
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L<ssl(3)>, L<SSL_get_verify_result(3)>,
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L<SSL_CTX_set_verify(3)>
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=cut
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