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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_x509_c...ic_constraints(3) gnutlsgnutls_x509_c...ic_constraints(3)
gnutls_x509_crq_get_basic_constraints - API function
#include <gnutls/x509.h>
int gnutls_x509_crq_get_basic_constraints(gnutls_x509_crq_t crq,
unsigned int * critical, unsigned int * ca, int * pathlen);
gnutls_x509_crq_t crq
should contain a gnutls_x509_crq_t type
unsigned int * critical
will be non-zero if the extension is marked as
critical
unsigned int * ca
pointer to output integer indicating CA status, may be
NULL, value is 1 if the certificate CA flag is set, 0
otherwise.
int * pathlen
pointer to output integer indicating path length (may
be NULL), non-negative error codes indicate a present
pathLenConstraint field and the actual value, -1
indicate that the field is absent.
This function will read the certificate's basic constraints, and
return the certificates CA status. It reads the basicConstraints
X.509 extension (2.5.29.19).
If the certificate is a CA a positive value will be returned, or
(0) if the certificate does not have CA flag set. A negative
error code may be returned in case of errors. If the certificate
does not contain the basicConstraints extension
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
2.8.0
Report bugs to <[email protected]>.
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 [email protected]. 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 [email protected]
gnutls 3.8.10gnutls_x509_c...ic_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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