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gnutls_x509_crt_get_basic_constraints(3)                                gnutls


NAME

       gnutls_x509_crt_get_basic_constraints - API function


SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_basic_constraints(gnutls_x509_crt_t 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
                   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.


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).


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: https://www.gnutls.org


COPYRIGHT

       Copyright (C) 2001- 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/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9
                                      gnutls_x509_crt_get_basic_constraints(3)

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