1gnutls_server_name_get(3)           gnutls           gnutls_server_name_get(3)
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NAME

6       gnutls_server_name_get - API function
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SYNOPSIS

9       #include <gnutls/gnutls.h>
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11       int   gnutls_server_name_get(gnutls_session_t  session,  void  *  data,
12       size_t * data_length, unsigned int * type, unsigned int indx);
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ARGUMENTS

15       gnutls_session_t session
16                   is a gnutls_session_t type.
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18       void * data will hold the data
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20       size_t * data_length
21                   will hold the data length. Must hold the  maximum  size  of
22                   data.
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24       unsigned int * type
25                   will hold the server name indicator type
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27       unsigned int indx
28                   is the index of the server_name
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DESCRIPTION

31       This  function  will  allow  you to get the name indication (if any), a
32       client has sent.  The name indication may be  any  of  the  enumeration
33       gnutls_server_name_type_t.
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35       If   type  is  GNUTLS_NAME_DNS,  then  this  function  is to be used by
36       servers that support virtual hosting, and the data will be a null  ter‐
37       minated IDNA ACE string (prior to GnuTLS 3.4.0 it was a UTF-8 string).
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39       If    data   has   not   enough   size   to   hold   the   server  name
40       GNUTLS_E_SHORT_MEMORY_BUFFER is returned, and   data_length  will  hold
41       the required size.
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43        indx  is  used  to retrieve more than one server names (if sent by the
44       client).  The first server name has an index of 0, the second 1 and  so
45       on.      If     no     name     with    the    given    index    exists
46       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.
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RETURNS

49       On success, GNUTLS_E_SUCCESS (0) is returned, on UTF-8  decoding  error
50       GNUTLS_E_IDNA_ERROR  is  returned,  otherwise  a negative error code is
51       returned.
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REPORTING BUGS

54       Report bugs to <bugs@gnutls.org>.
55       Home page: https://www.gnutls.org
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59       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
60       Copying and distribution of this file, with  or  without  modification,
61       are  permitted  in  any  medium  without royalty provided the copyright
62       notice and this notice are preserved.
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SEE ALSO

65       The full documentation for gnutls is maintained as  a  Texinfo  manual.
66       If  the /usr/share/doc/gnutls/ directory does not contain the HTML form
67       visit
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69       https://www.gnutls.org/manual/
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71gnutls                              3.6.11           gnutls_server_name_get(3)
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