gnutls_x509_crt_get_basic_constraints(3)
NAME
gnutls_x509_crt_get_basic_constraints - API function
SYNOPSIS
#include <gnutls/x509.h> gnutls_x509_crt_get_basic_constraints(3) cert, unsigned int * critical, unsigned int * ca, int * pathlen);
ARGUMENTS
gnutls_x509_crt_t cert should contain a gnutls_x509_crt_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 oth- erwise. int * pathlen pointer to output integer indicating path length (may be NULL), non-negative error codes indicate a present pathLen- Constraint 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 exten- sion (2.5.29.19).
RETURNS
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.
REPORTING BUGS
Report bugs to <bugs@gnutls.org>. Home page: http://www.gnutls.org
COPYRIGHT
Copyright (C) 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/ gnutls gnutls_x509_crt_get_basic_constraints(3)
gnutls 3.4.11 - Generated Wed Apr 20 19:51:18 CDT 2016