CentOS 7.0 - man page for gnutls_x509_crt_get_basic_constraints (centos section 3)
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gnutls_x509_crt_get_basic_constraints(3) gnutls gnutls_x509_crt_get_basic_constraints(3)
gnutls_x509_crt_get_basic_constraints - API function
int gnutls_x509_crt_get_basic_constraints(gnutls_x509_crt_t cert, unsigned int * critical,
unsigned int * ca, int * pathlen);
should contain a gnutls_x509_crt_t structure
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 (22.214.171.124).
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.
Report bugs to <email@example.com>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GnuTLS home page: http://www.gnu.org/software/gnutls/
Copyright (C) 2012 Free Software Foundation, Inc..
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 info and
gnutls programs are properly installed at your site, the command
should give you access to the complete manual. As an alternative you may obtain the man-
gnutls 3.1.15 gnutls_x509_crt_get_basic_constraints(3)
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