gnutls_x509_crt_get_ca_status(3) gnutls gnutls_x509_crt_get_ca_status(3) NAME gnutls_x509_crt_get_ca_status - API function SYNOPSIS #include 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 type 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 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 . Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 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 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 https://www.gnutls.org/manual/ gnutls 3.8.5 gnutls_x509_crt_get_ca_status(3)