NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON
gnutls_x509_ext_import_name_constraints - API function
#include <gnutls/x509-ext.h> int gnutls_x509_ext_import_name_constraints(const gnutls_datum_t * ext, gnutls_x509_name_constraints_t nc, unsigned int flags);
const gnutls_datum_t * ext a DER encoded extension gnutls_x509_name_constraints_t nc The nameconstraints unsigned int flags zero or GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND
This function will return an intermediate type containing the name constraints of the provided NameConstraints extension. That can be used in combination with gnutls_x509_name_constraints_check() to verify whether a server's name is in accordance with the constraints. When the flags is set to GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND, then if the nc type is empty this function will behave identically as if the flag was not set. Otherwise if there are elements in the nc structure then the constraints will be merged with the existing constraints following RFC5280 p6.1.4 (excluded constraints will be appended, permitted will be intersected). Note that nc must be initialized prior to calling this function.
On success, GNUTLS_E_SUCCESS (0) is returned, GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not present, otherwise a negative error value.
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