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gnutls_x509_crt_get_ca_status(3) — Linux manual page

gnutls_x509_crt_get_ca_status(3)  gnutlsgnutls_x509_crt_get_ca_status(3)

NAME        top

       gnutls_x509_crt_get_ca_status - API function

SYNOPSIS        top

#include <gnutls/x509.h>int gnutls_x509_crt_get_ca_status(gnutls_x509_crt_tcert, unsignedint *critical);

ARGUMENTS        top

       gnutls_x509_crt_t cert                   should contain agnutls_x509_crt_ttype       unsigned int * critical                   will be non-zero if the extension is marked as                   critical

DESCRIPTION        top

       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.       Usegnutls_x509_crt_get_basic_constraints()if you want to read       the pathLenConstraint field too.

RETURNS        top

       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        top

       Report bugs to <bugs@gnutls.org>.       Home page:https://www.gnutls.org

COPYRIGHT        top

       Copyright © 2001-2023 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        top

       The full documentation forgnutlsis maintained as a Texinfo       manual.  If the /usr/share/doc/gnutls/ directory does not contain       the HTML form visithttps://www.gnutls.org/manual/

COLOPHON        top

       This page is part of theGnuTLS (GnuTLS Transport Layer Security       Library) project.  Information about the project can be found at       ⟨http://www.gnutls.org/⟩.  If you have a bug report for this       manual page, send it to bugs@gnutls.org.  This page was obtained       from the tarball fetched from       ⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11.  If you       discover any rendering problems in this HTML version of the page,       or you believe there is a better or more up-to-date source for the       page, or you have corrections or improvements to the information       in this COLOPHON (which isnot part of the original manual page),       send a mail to man-pages@man7.orggnutls                            3.8.10gnutls_x509_crt_get_ca_status(3)

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