gnutls_certificate_client_set_retrieve_function man page on Peanut

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gnutls_certificate_client_segnutls_certificate_client_set_retrieve_function(3)

NAME
       gnutls_certificate_client_set_retrieve_function	-  Used to set a call‐
       back to retrieve the certificate

SYNOPSIS
       #include <gnutls/gnutls.h>

       void    gnutls_certificate_client_set_retrieve_function(gnutls_certifi‐
       cate_credentials_t  cred, gnutls_certificate_client_retrieve_function *
       func);

ARGUMENTS
       gnutls_certificate_credentials_t cred
		   is a gnutls_certificate_credentials_t structure.

       gnutls_certificate_client_retrieve_function * func
		   is the callback function

DESCRIPTION
       This function sets a callback to be called in  order  to	 retrieve  the
       certificate  to be used in the handshake.  The callback's function pro‐
       totype  is:  int	 (*callback)(gnutls_session_t,	const  gnutls_datum_t*
       req_ca_dn,    int    nreqs,    gnutls_pk_algorithm_t*   pk_algos,   int
       pk_algos_length, gnutls_retr_st* st);

       st should contain the certificates and private keys.

       req_ca_cert, is only used in X.509 certificates.	 Contains a list  with
       the  CA	names  that  the server considers trusted.  Normally we should
       send a certificate that is signed by one of these CAs. These names  are
       DER   encoded.  To  get	a  more	 meaningful  value  use	 the  function
       gnutls_x509_rdn_get().

       pk_algos, contains a list  with	server's  acceptable  signature	 algo‐
       rithms.	 The  certificate  returned  should support the server's given
       algorithms.

       If the callback function is provided then gnutls will call it,  in  the
       handshake, after the certificate request message has been received.

       The  callback  function should set the certificate list to be sent, and
       return 0 on success. If no certificate was selected then the number  of
       certificates  should be set to zero. The value (-1) indicates error and
       the handshake will be terminated.

REPORTING BUGS
       Report bugs to <bug-gnutls@gnu.org>.

COPYRIGHT
       Copyright © 2004 Free Software Foundation.
       Permission is granted to make and distribute verbatim  copies  of  this
       manual  provided	 the  copyright	 notice and this permission notice are
       preserved on all copies.

SEE ALSO
       The full documentation for gnutls is maintained as  a  Texinfo  manual.
       If  the	info  and gnutls programs are properly installed at your site,
       the command

	      info gnutls

       should give you access to the complete manual.

gnutls			    gnutls_certificate_client_set_retrieve_function(3)
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