Linux manual pages Section 3  

Name

gnutls_x509_crt_get_ca_status — API function

Synopsis

#include <gnutls/x509.h>
int gnutls_x509_crt_get_ca_status( gnutls_x509_crt_t cert,
  unsigned int * critical);
 

ARGUMENTS

gnutls_x509_crt_t cert

should contain a gnutls_x509_crt_t structure

unsigned int * critical

will be non−zero if the extension is marked as critical

DESCRIPTION

This function will return certificates CA status, by reading 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.

Use gnutls_x509_crt_get_basic_constraints() if you want to read the pathLenConstraint field too.

RETURNS

A negative error code may be returned in case of parsing error. 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

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

COPYRIGHT

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