f4401cd869
alter des.h to be friendly with openssl/des.h (you can include both in the same file) make libkrb to depend on libdes. bump major. massage various portioin of heimdal to be friendly with openssl 0.9.7b.
189 lines
5.4 KiB
Groff
189 lines
5.4 KiB
Groff
.\" $NetBSD: SSL_get_peer_certificate.3,v 1.8 2003/07/24 14:16:46 itojun Exp $
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.\" ======================================================================
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.\"
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.IX Title "SSL_get_peer_certificate 3"
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.TH SSL_get_peer_certificate 3 "0.9.7b" "2001-09-07" "OpenSSL"
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.UC
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.SH "NAME"
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SSL_get_peer_certificate \- get the X509 certificate of the peer
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.SH "LIBRARY"
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libcrypto, -lcrypto
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ssl.h>
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.Ve
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.Vb 1
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\& X509 *SSL_get_peer_certificate(SSL *ssl);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fISSL_get_peer_certificate()\fR returns a pointer to the X509 certificate the
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peer presented. If the peer did not present a certificate, \s-1NULL\s0 is returned.
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.SH "NOTES"
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.IX Header "NOTES"
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Due to the protocol definition, a \s-1TLS/SSL\s0 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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SSL_CTX_set_verify(3)). If an anonymous cipher
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is used, no certificates are sent.
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.PP
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That a certificate is returned does not indicate information about the
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verification state, use SSL_get_verify_result(3)
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to check the verification state.
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.PP
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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 \fIX509_free()\fR.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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The following return values can occur:
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.Ip "\s-1NULL\s0" 4
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.IX Item "NULL"
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No certificate was presented by the peer or no connection was established.
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.Ip "Pointer to an X509 certificate" 4
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.IX 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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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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ssl(3), SSL_get_verify_result(3),
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SSL_CTX_set_verify(3)
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