1gnutls_psk_set_server_credentials_gfnuungtcnltusit_olpnss(k3_)set_server_credentials_function(3)
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NAME

6       gnutls_psk_set_server_credentials_function - API function
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SYNOPSIS

9       #include <gnutls/gnutls.h>
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11       void  gnutls_psk_set_server_credentials_function(gnutls_psk_server_cre‐
12       dentials_t                                                        cred,
13       gnutls_psk_server_credentials_function
14       * func);
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ARGUMENTS

17       gnutls_psk_server_credentials_t
18       cred
19                   is a gnutls_psk_server_credentials_t structure.
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21       gnutls_psk_server_credentials_function
22       * func
23                   is the callback function
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DESCRIPTION

26       This function can be used to set a callback to retrieve the user's  PSK
27       credentials.    The   callback's   function   form   is:   int  (*call‐
28       back)(gnutls_session_t, const char* username, gnutls_datum_t* key);
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30       username contains the actual username.  The key must be filled in using
31       the gnutls_malloc().
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33       In case the callback returned a negative number then gnutls will assume
34       that the username does not exist.
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36       The callback function will only be  called  once  per  handshake.   The
37       callback  function  should  return  0 on success, while -1 indicates an
38       error.
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REPORTING BUGS

41       Report   bugs   to    <bug-gnutls@gnu.org>.     GnuTLS    home    page:
42       http://www.gnu.org/software/gnutls/  General  help  using GNU software:
43       http://www.gnu.org/gethelp/
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46       Copyright © 2008 Free Software Foundation.
47       Copying and distribution of this file, with  or  without  modification,
48       are  permitted  in  any  medium  without royalty provided the copyright
49       notice and this notice are preserved.
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SEE ALSO

52       The full documentation for gnutls is maintained as  a  Texinfo  manual.
53       If  the  info  and gnutls programs are properly installed at your site,
54       the command
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56              info gnutls
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58       should give you access to the complete manual.
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62gnutls                           gn2u.t1l2s._6p.s1k_set_server_credentials_function(3)
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