NAME¶

gnutls_x509_crq_get_basic_constraints - API function

SYNOPSIS¶

#include <gnutls/x509.h>

int gnutls_x509_crq_get_basic_constraints(gnutls_x509_crq_t crq, unsigned int * critical, int * ca, int * pathlen);

ARGUMENTS¶

gnutls_x509_crq_t crq

should contain a gnutls_x509_crq_t structure

unsigned int * critical

will be non zero if the extension is marked as critical

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 values indicate a present pathLenConstraint field and the actual value, -1 indicate that the field is absent.

DESCRIPTION¶

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).

RETURN VALUE¶

If the certificate is a CA a positive value will be returned, or zero if the certificate does not have CA flag set. A negative value 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.

SINCE¶

2.8.0

REPORTING BUGS¶

Report bugs to <bug-gnutls@gnu.org>. GnuTLS home page: http://www.gnu.org/software/gnutls/ General help using GNU software: http://www.gnu.org/gethelp/

COPYRIGHT¶

Copyright © 2008 Free Software Foundation.
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 info and gnutls programs are properly installed at your site, the command

info gnutls

should give you access to the complete manual.