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[dragonfly.git] / secure / lib / libssl / man / SSL_get_peer_cert_chain.3
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129.\" ========================================================================
130.\"
131.IX Title "SSL_get_peer_cert_chain 3"
132.TH SSL_get_peer_cert_chain 3 "2004-12-22" "0.9.7e" "OpenSSL"
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133.SH "NAME"
134SSL_get_peer_cert_chain \- get the X509 certificate chain of the peer
135.SH "SYNOPSIS"
e056f0e0 136.IX Header "SYNOPSIS"
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137.Vb 1
138\& #include <openssl/ssl.h>
139.Ve
e056f0e0 140.PP
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141.Vb 1
142\& STACKOF(X509) *SSL_get_peer_cert_chain(SSL *ssl);
143.Ve
144.SH "DESCRIPTION"
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145.IX Header "DESCRIPTION"
146\&\fISSL_get_peer_cert_chain()\fR returns a pointer to \s-1STACKOF\s0(X509) certificates
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147forming the certificate chain of the peer. If called on the client side,
148the stack also contains the peer's certificate; if called on the server
149side, the peer's certificate must be obtained separately using
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150\&\fISSL_get_peer_certificate\fR\|(3).
151If the peer did not present a certificate, \s-1NULL\s0 is returned.
984263bc 152.SH "NOTES"
e056f0e0 153.IX Header "NOTES"
984263bc 154The peer certificate chain is not necessarily available after reusing
e056f0e0 155a session, in which case a \s-1NULL\s0 pointer is returned.
984263bc 156.PP
e056f0e0 157The reference count of the \s-1STACKOF\s0(X509) object is not incremented.
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158If the corresponding session is freed, the pointer must not be used
159any longer.
160.SH "RETURN VALUES"
e056f0e0 161.IX Header "RETURN VALUES"
984263bc 162The following return values can occur:
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163.IP "\s-1NULL\s0" 4
164.IX Item "NULL"
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165No certificate was presented by the peer or no connection was established
166or the certificate chain is no longer available when a session is reused.
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167.IP "Pointer to a \s-1STACKOF\s0(X509)" 4
168.IX Item "Pointer to a STACKOF(X509)"
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169The return value points to the certificate chain presented by the peer.
170.SH "SEE ALSO"
a7d27d5a 171.IX Header "SEE ALSO"
e056f0e0 172\&\fIssl\fR\|(3), \fISSL_get_peer_certificate\fR\|(3)