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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_x509_e...me_constraints(3) gnutlsgnutls_x509_e...me_constraints(3)
gnutls_x509_ext_import_name_constraints - API function
#include <gnutls/x509-ext.h>
int gnutls_x509_ext_import_name_constraints(const gnutls_datum_t *
ext, gnutls_x509_name_constraints_t nc, unsigned int flags);
const gnutls_datum_t * ext
a DER encoded extension
gnutls_x509_name_constraints_t nc
The nameconstraints
unsigned int flags
zero or GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND
This function will return an intermediate type containing the name
constraints of the provided NameConstraints extension. That 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 type 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.
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.
3.3.0
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright © 2001-2023 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.
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
https://www.gnutls.org/manual/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
gnutls 3.8.10gnutls_x509_e...me_constraints(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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