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Man Pages


Manual Reference Pages  -  GNUTLS_X509_CRT_GET_NAME_CONSTRAINTS (3)

NAME

gnutls_x509_crt_get_name_constraints - API function

CONTENTS

Synopsis
Arguments
Copyright

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_NAME_CONSTRAINTS_FLAG_APPEND
unsigned int * critical the extension status

DESCRIPTION

This function will return an intermediate type containing the name constraints 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_NAME_CONSTRAINTS_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 only the excluded constraints will be appended to the constraints.

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

RETURNS

On success, GNUTLS_E_SUCCESS (0) is returned, GNUTLS_E_REQUESTED_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 © 2001-2016 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 notice 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/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_X509_CRT_GET_NAME_CONSTRAINTS (3) 3.4.9

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