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gnutls_x509_crt_get_name_constraintsgnugnutls_x509_crt_get_name_constraints(3)

NAME
       gnutls_x509_crt_get_name_constraints - API function

SYNOPSIS
       #include	<gnutls/x509.h>

       int     gnutls_x509_crt_get_name_constraints(gnutls_x509_crt_t	  crt,
       gnutls_x509_name_constraints_t nc, unsigned int flags, unsigned	int  *
       critical);

ARGUMENTS
       gnutls_x509_crt_t crt
		   should contain a gnutls_x509_crt_t type

       gnutls_x509_name_constraints_t nc
		   The nameconstraints intermediate type

       unsigned	int flags
		   zero	or GNUTLS_EXT_FLAG_APPEND

       unsigned	int * critical
		   the extension status

DESCRIPTION
       This function will return an intermediate type containing the name con-
       straints	of the provided	CA certificate.	That structure can be used  in
       combination with	gnutls_x509_name_constraints_check() to	verify whether
       a server's name is in accordance	with the constraints.

       When the	 flags is set  to  GNUTLS_EXT_FLAG_APPEND,  then  if  the   nc
       structure is empty this function	will behave identically	as if the flag
       was not set.  Otherwise if there	are elements in	the  nc	structure then
       the  constraints	will be	merged with the	existing constraints following
       RFC5280 p6.1.4 (excluded	constraints will be appended,  permitted  will
       be intersected).

       Note that  nc must be initialized prior to calling this function.

RETURNS
       On    success,	GNUTLS_E_SUCCESS   (0)	 is   returned,	  GNUTLS_E_RE-
       QUESTED_DATA_NOT_AVAILABLE if the extension is not present, otherwise a
       negative	error value.

SINCE
       3.3.0

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001-2017 Free Software Foundation, Inc., and others.
       Copying	and  distribution  of this file, with or without modification,
       are permitted in	any medium without royalty provided the	copyright  no-
       tice and	this notice are	preserved.

SEE ALSO
       The  full  documentation	 for gnutls is maintained as a Texinfo manual.
       If the /usr/share/doc/gnutls/ directory does not	contain	the HTML  form
       visit

       http://www.gnutls.org/manual/

gnutls				    3.5gnutls_x509_crt_get_name_constraints(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO

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